| /* |
| * Internet Printing Protocol functions for CUPS. |
| * |
| * Copyright © 2007-2018 by Apple Inc. |
| * Copyright © 1997-2007 by Easy Software Products, all rights reserved. |
| * |
| * Licensed under Apache License v2.0. See the file "LICENSE" for more |
| * information. |
| */ |
| |
| /* |
| * Include necessary headers... |
| */ |
| |
| #include "cups-private.h" |
| #include <regex.h> |
| #ifdef WIN32 |
| # include <io.h> |
| #endif /* WIN32 */ |
| |
| |
| /* |
| * Local functions... |
| */ |
| |
| static ipp_attribute_t *ipp_add_attr(ipp_t *ipp, const char *name, |
| ipp_tag_t group_tag, ipp_tag_t value_tag, |
| int num_values); |
| static void ipp_free_values(ipp_attribute_t *attr, int element, |
| int count); |
| static char *ipp_get_code(const char *locale, char *buffer, size_t bufsize) _CUPS_NONNULL(1,2); |
| static char *ipp_lang_code(const char *locale, char *buffer, size_t bufsize) _CUPS_NONNULL(1,2); |
| static size_t ipp_length(ipp_t *ipp, int collection); |
| static ssize_t ipp_read_http(http_t *http, ipp_uchar_t *buffer, |
| size_t length); |
| static ssize_t ipp_read_file(int *fd, ipp_uchar_t *buffer, |
| size_t length); |
| static void ipp_set_error(ipp_status_t status, const char *format, |
| ...); |
| static _ipp_value_t *ipp_set_value(ipp_t *ipp, ipp_attribute_t **attr, |
| int element); |
| static ssize_t ipp_write_file(int *fd, ipp_uchar_t *buffer, |
| size_t length); |
| |
| |
| /* |
| * '_cupsBufferGet()' - Get a read/write buffer. |
| */ |
| |
| char * /* O - Buffer */ |
| _cupsBufferGet(size_t size) /* I - Size required */ |
| { |
| _cups_buffer_t *buffer; /* Current buffer */ |
| _cups_globals_t *cg = _cupsGlobals(); |
| /* Global data */ |
| |
| |
| for (buffer = cg->cups_buffers; buffer; buffer = buffer->next) |
| if (!buffer->used && buffer->size >= size) |
| break; |
| |
| if (!buffer) |
| { |
| if ((buffer = malloc(sizeof(_cups_buffer_t) + size - 1)) == NULL) |
| return (NULL); |
| |
| buffer->next = cg->cups_buffers; |
| buffer->size = size; |
| cg->cups_buffers = buffer; |
| } |
| |
| buffer->used = 1; |
| |
| return (buffer->d); |
| } |
| |
| |
| /* |
| * '_cupsBufferRelease()' - Release a read/write buffer. |
| */ |
| |
| void |
| _cupsBufferRelease(char *b) /* I - Buffer to release */ |
| { |
| _cups_buffer_t *buffer; /* Buffer */ |
| |
| |
| /* |
| * Mark this buffer as unused... |
| */ |
| |
| buffer = (_cups_buffer_t *)(b - offsetof(_cups_buffer_t, d)); |
| buffer->used = 0; |
| } |
| |
| |
| /* |
| * 'ippAddBoolean()' - Add a boolean attribute to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddBoolean(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| char value) /* I - Value of attribute */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddBoolean(ipp=%p, group=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), name, value)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, 1)) == NULL) |
| return (NULL); |
| |
| attr->values[0].boolean = value; |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddBooleans()' - Add an array of boolean values. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddBooleans(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| int num_values, /* I - Number of values */ |
| const char *values) /* I - Values */ |
| { |
| int i; /* Looping var */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippAddBooleans(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BOOLEAN, num_values)) == NULL) |
| return (NULL); |
| |
| if (values) |
| { |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| value->boolean = *values++; |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddCollection()' - Add a collection value. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * @since CUPS 1.1.19/macOS 10.3@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddCollection(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| ipp_t *value) /* I - Value */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddCollection(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, 1)) == NULL) |
| return (NULL); |
| |
| attr->values[0].collection = value; |
| |
| if (value) |
| value->use ++; |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddCollections()' - Add an array of collection values. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * @since CUPS 1.1.19/macOS 10.3@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddCollections( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| int num_values, /* I - Number of values */ |
| const ipp_t **values) /* I - Values */ |
| { |
| int i; /* Looping var */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippAddCollections(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)values)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_BEGIN_COLLECTION, |
| num_values)) == NULL) |
| return (NULL); |
| |
| if (values) |
| { |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| { |
| value->collection = (ipp_t *)*values++; |
| value->collection->use ++; |
| } |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddDate()' - Add a dateTime attribute to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddDate(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| const ipp_uchar_t *value) /* I - Value */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddDate(ipp=%p, group=%02x(%s), name=\"%s\", value=%p)", (void *)ipp, group, ippTagString(group), name, (void *)value)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || !value || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_DATE, 1)) == NULL) |
| return (NULL); |
| |
| memcpy(attr->values[0].date, value, 11); |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddInteger()' - Add a integer attribute to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported values include enum (@code IPP_TAG_ENUM@) and integer |
| * (@code IPP_TAG_INTEGER@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddInteger(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| int value) /* I - Value of attribute */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddInteger(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", value=%d)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, value)); |
| |
| value_tag &= IPP_TAG_CUPS_MASK; |
| |
| /* |
| * Special-case for legacy usage: map out-of-band attributes to new ippAddOutOfBand |
| * function... |
| */ |
| |
| if (value_tag >= IPP_TAG_UNSUPPORTED_VALUE && value_tag <= IPP_TAG_ADMINDEFINE) |
| return (ippAddOutOfBand(ipp, group, value_tag, name)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| #if 0 |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM)) |
| return (NULL); |
| #else |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| #endif /* 0 */ |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) |
| return (NULL); |
| |
| attr->values[0].integer = value; |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddIntegers()' - Add an array of integer values. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported values include enum (@code IPP_TAG_ENUM@) and integer |
| * (@code IPP_TAG_INTEGER@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddIntegers(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| int num_values, /* I - Number of values */ |
| const int *values) /* I - Values */ |
| { |
| int i; /* Looping var */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippAddIntegers(ipp=%p, group=%02x(%s), type=%02x(%s), name=\"%s\", num_values=%d, values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, (void *)values)); |
| |
| value_tag &= IPP_TAG_CUPS_MASK; |
| |
| /* |
| * Range check input... |
| */ |
| |
| #if 0 |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (value_tag != IPP_TAG_INTEGER && value_tag != IPP_TAG_ENUM) || |
| num_values < 1) |
| return (NULL); |
| #else |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1) |
| return (NULL); |
| #endif /* 0 */ |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) |
| return (NULL); |
| |
| if (values) |
| { |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| value->integer = *values++; |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddOctetString()' - Add an octetString value to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * @since CUPS 1.2/macOS 10.5@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddOctetString(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| const void *data, /* I - octetString data */ |
| int datalen) /* I - Length of data in bytes */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| datalen < 0 || datalen > IPP_MAX_LENGTH) |
| return (NULL); |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_STRING, 1)) == NULL) |
| return (NULL); |
| |
| /* |
| * Initialize the attribute data... |
| */ |
| |
| attr->values[0].unknown.length = datalen; |
| |
| if (data) |
| { |
| if ((attr->values[0].unknown.data = malloc((size_t)datalen)) == NULL) |
| { |
| ippDeleteAttribute(ipp, attr); |
| return (NULL); |
| } |
| |
| memcpy(attr->values[0].unknown.data, data, (size_t)datalen); |
| } |
| |
| /* |
| * Return the new attribute... |
| */ |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddOutOfBand()' - Add an out-of-band value to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported out-of-band values include unsupported-value |
| * (@code IPP_TAG_UNSUPPORTED_VALUE@), default (@code IPP_TAG_DEFAULT@), unknown |
| * (@code IPP_TAG_UNKNOWN@), no-value (@code IPP_TAG_NOVALUE@), not-settable |
| * (@code IPP_TAG_NOTSETTABLE@), delete-attribute (@code IPP_TAG_DELETEATTR@), and |
| * admin-define (@code IPP_TAG_ADMINDEFINE@). |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddOutOfBand(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name) /* I - Name of attribute */ |
| { |
| DEBUG_printf(("ippAddOutOfBand(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name)); |
| |
| value_tag &= IPP_TAG_CUPS_MASK; |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (value_tag != IPP_TAG_UNSUPPORTED_VALUE && |
| value_tag != IPP_TAG_DEFAULT && |
| value_tag != IPP_TAG_UNKNOWN && |
| value_tag != IPP_TAG_NOVALUE && |
| value_tag != IPP_TAG_NOTSETTABLE && |
| value_tag != IPP_TAG_DELETEATTR && |
| value_tag != IPP_TAG_ADMINDEFINE)) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| return (ipp_add_attr(ipp, name, group, value_tag, 1)); |
| } |
| |
| |
| /* |
| * 'ippAddRange()' - Add a range of values to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * The @code lower@ parameter must be less than or equal to the @code upper@ parameter. |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddRange(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| int lower, /* I - Lower value */ |
| int upper) /* I - Upper value */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddRange(ipp=%p, group=%02x(%s), name=\"%s\", lower=%d, upper=%d)", (void *)ipp, group, ippTagString(group), name, lower, upper)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, 1)) == NULL) |
| return (NULL); |
| |
| attr->values[0].range.lower = lower; |
| attr->values[0].range.upper = upper; |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddRanges()' - Add ranges of values to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddRanges(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| int num_values, /* I - Number of values */ |
| const int *lower, /* I - Lower values */ |
| const int *upper) /* I - Upper values */ |
| { |
| int i; /* Looping var */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippAddRanges(ipp=%p, group=%02x(%s), name=\"%s\", num_values=%d, lower=%p, upper=%p)", (void *)ipp, group, ippTagString(group), name, num_values, (void *)lower, (void *)upper)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RANGE, num_values)) == NULL) |
| return (NULL); |
| |
| if (lower && upper) |
| { |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| { |
| value->range.lower = *lower++; |
| value->range.upper = *upper++; |
| } |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddResolution()' - Add a resolution value to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddResolution(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| ipp_res_t units, /* I - Units for resolution */ |
| int xres, /* I - X resolution */ |
| int yres) /* I - Y resolution */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("ippAddResolution(ipp=%p, group=%02x(%s), name=\"%s\", units=%d, xres=%d, yres=%d)", (void *)ipp, group, |
| ippTagString(group), name, units, xres, yres)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM || |
| xres < 0 || yres < 0) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, 1)) == NULL) |
| return (NULL); |
| |
| attr->values[0].resolution.xres = xres; |
| attr->values[0].resolution.yres = yres; |
| attr->values[0].resolution.units = units; |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddResolutions()' - Add resolution values to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddResolutions(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| const char *name, /* I - Name of attribute */ |
| int num_values,/* I - Number of values */ |
| ipp_res_t units, /* I - Units for resolution */ |
| const int *xres, /* I - X resolutions */ |
| const int *yres) /* I - Y resolutions */ |
| { |
| int i; /* Looping var */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippAddResolutions(ipp=%p, group=%02x(%s), name=\"%s\", num_value=%d, units=%d, xres=%p, yres=%p)", (void *)ipp, group, ippTagString(group), name, num_values, units, (void *)xres, (void *)yres)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1 || |
| units < IPP_RES_PER_INCH || units > IPP_RES_PER_CM) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, IPP_TAG_RESOLUTION, num_values)) == NULL) |
| return (NULL); |
| |
| if (xres && yres) |
| { |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| { |
| value->resolution.xres = *xres++; |
| value->resolution.yres = *yres++; |
| value->resolution.units = units; |
| } |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddSeparator()' - Add a group separator to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddSeparator(ipp_t *ipp) /* I - IPP message */ |
| { |
| DEBUG_printf(("ippAddSeparator(ipp=%p)", (void *)ipp)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (NULL); |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| return (ipp_add_attr(ipp, NULL, IPP_TAG_ZERO, IPP_TAG_ZERO, 0)); |
| } |
| |
| |
| /* |
| * 'ippAddString()' - Add a language-encoded string to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| * (@code IPP_TAG_URISCHEME@). |
| * |
| * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and |
| * textWithLanguage string values and must be @code NULL@ for all other string values. |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddString(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| const char *language, /* I - Language code */ |
| const char *value) /* I - Value */ |
| { |
| ipp_tag_t temp_tag; /* Temporary value tag (masked) */ |
| ipp_attribute_t *attr; /* New attribute */ |
| char code[IPP_MAX_LANGUAGE]; |
| /* Charset/language code buffer */ |
| |
| |
| DEBUG_printf(("ippAddString(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", language=\"%s\", value=\"%s\")", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, language, value)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); |
| |
| #if 0 |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && |
| temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE) |
| return (NULL); |
| |
| if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) |
| != (language != NULL)) |
| return (NULL); |
| #else |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (NULL); |
| #endif /* 0 */ |
| |
| /* |
| * See if we need to map charset, language, or locale values... |
| */ |
| |
| if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && |
| strcmp(language, ipp_lang_code(language, code, sizeof(code)))) |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| else if (value && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST) && |
| strcmp(value, ipp_get_code(value, code, sizeof(code)))) |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| else if (value && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST) && |
| strcmp(value, ipp_lang_code(value, code, sizeof(code)))) |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, value_tag, 1)) == NULL) |
| return (NULL); |
| |
| /* |
| * Initialize the attribute data... |
| */ |
| |
| if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| { |
| attr->values[0].string.language = (char *)language; |
| attr->values[0].string.text = (char *)value; |
| } |
| else |
| { |
| if (language) |
| attr->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language, code, |
| sizeof(code))); |
| |
| if (value) |
| { |
| if (value_tag == IPP_TAG_CHARSET) |
| attr->values[0].string.text = _cupsStrAlloc(ipp_get_code(value, code, |
| sizeof(code))); |
| else if (value_tag == IPP_TAG_LANGUAGE) |
| attr->values[0].string.text = _cupsStrAlloc(ipp_lang_code(value, code, |
| sizeof(code))); |
| else |
| attr->values[0].string.text = _cupsStrAlloc(value); |
| } |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddStringf()' - Add a formatted string to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document |
| * (@code IPP_TAG_DOCUMENT@), event notification |
| * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), |
| * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), |
| * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| * (@code IPP_TAG_URISCHEME@). |
| * |
| * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage |
| * and textWithLanguage string values and must be @code NULL@ for all other |
| * string values. |
| * |
| * The @code format@ parameter uses formatting characters compatible with the |
| * printf family of standard functions. Additional arguments follow it as |
| * needed. The formatted string is truncated as needed to the maximum length of |
| * the corresponding value type. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddStringf(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| const char *language, /* I - Language code (@code NULL@ for default) */ |
| const char *format, /* I - Printf-style format string */ |
| ...) /* I - Additional arguments as needed */ |
| { |
| ipp_attribute_t *attr; /* New attribute */ |
| va_list ap; /* Argument pointer */ |
| |
| |
| va_start(ap, format); |
| attr = ippAddStringfv(ipp, group, value_tag, name, language, format, ap); |
| va_end(ap); |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippAddStringfv()' - Add a formatted string to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document |
| * (@code IPP_TAG_DOCUMENT@), event notification |
| * (@code IPP_TAG_EVENT_NOTIFICATION@), operation (@code IPP_TAG_OPERATION@), |
| * printer (@code IPP_TAG_PRINTER@), subscription (@code IPP_TAG_SUBSCRIPTION@), |
| * or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| * (@code IPP_TAG_URISCHEME@). |
| * |
| * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage |
| * and textWithLanguage string values and must be @code NULL@ for all other |
| * string values. |
| * |
| * The @code format@ parameter uses formatting characters compatible with the |
| * printf family of standard functions. Additional arguments are passed in the |
| * stdarg pointer @code ap@. The formatted string is truncated as needed to the |
| * maximum length of the corresponding value type. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddStringfv(ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| const char *language, /* I - Language code (@code NULL@ for default) */ |
| const char *format, /* I - Printf-style format string */ |
| va_list ap) /* I - Additional arguments */ |
| { |
| char buffer[IPP_MAX_TEXT + 4]; |
| /* Formatted text string */ |
| ssize_t bytes, /* Length of formatted value */ |
| max_bytes; /* Maximum number of bytes for value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && |
| value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || |
| !format) |
| return (NULL); |
| |
| if ((value_tag == IPP_TAG_TEXTLANG || value_tag == IPP_TAG_NAMELANG) |
| != (language != NULL)) |
| return (NULL); |
| |
| /* |
| * Format the string... |
| */ |
| |
| if (!strcmp(format, "%s")) |
| { |
| /* |
| * Optimize the simple case... |
| */ |
| |
| const char *s = va_arg(ap, char *); |
| |
| if (!s) |
| s = "(null)"; |
| |
| bytes = (ssize_t)strlen(s); |
| strlcpy(buffer, s, sizeof(buffer)); |
| } |
| else |
| { |
| /* |
| * Do a full formatting of the message... |
| */ |
| |
| if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) |
| return (NULL); |
| } |
| |
| /* |
| * Limit the length of the string... |
| */ |
| |
| switch (value_tag) |
| { |
| default : |
| case IPP_TAG_TEXT : |
| case IPP_TAG_TEXTLANG : |
| max_bytes = IPP_MAX_TEXT; |
| break; |
| |
| case IPP_TAG_NAME : |
| case IPP_TAG_NAMELANG : |
| max_bytes = IPP_MAX_NAME; |
| break; |
| |
| case IPP_TAG_CHARSET : |
| max_bytes = IPP_MAX_CHARSET; |
| break; |
| |
| case IPP_TAG_KEYWORD : |
| max_bytes = IPP_MAX_KEYWORD; |
| break; |
| |
| case IPP_TAG_LANGUAGE : |
| max_bytes = IPP_MAX_LANGUAGE; |
| break; |
| |
| case IPP_TAG_MIMETYPE : |
| max_bytes = IPP_MAX_MIMETYPE; |
| break; |
| |
| case IPP_TAG_URI : |
| max_bytes = IPP_MAX_URI; |
| break; |
| |
| case IPP_TAG_URISCHEME : |
| max_bytes = IPP_MAX_URISCHEME; |
| break; |
| } |
| |
| if (bytes >= max_bytes) |
| { |
| char *bufmax, /* Buffer at max_bytes */ |
| *bufptr; /* Pointer into buffer */ |
| |
| bufptr = buffer + strlen(buffer) - 1; |
| bufmax = buffer + max_bytes - 1; |
| |
| while (bufptr > bufmax) |
| { |
| if (*bufptr & 0x80) |
| { |
| while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) |
| bufptr --; |
| } |
| |
| bufptr --; |
| } |
| |
| *bufptr = '\0'; |
| } |
| |
| /* |
| * Add the formatted string and return... |
| */ |
| |
| return (ippAddString(ipp, group, value_tag, name, language, buffer)); |
| } |
| |
| |
| /* |
| * 'ippAddStrings()' - Add language-encoded strings to an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * Supported string values include charset (@code IPP_TAG_CHARSET@), keyword |
| * (@code IPP_TAG_KEYWORD@), language (@code IPP_TAG_LANGUAGE@), mimeMediaType |
| * (@code IPP_TAG_MIMETYPE@), name (@code IPP_TAG_NAME@), nameWithLanguage |
| * (@code IPP_TAG_NAMELANG), text (@code IPP_TAG_TEXT@), textWithLanguage |
| * (@code IPP_TAG_TEXTLANG@), uri (@code IPP_TAG_URI@), and uriScheme |
| * (@code IPP_TAG_URISCHEME@). |
| * |
| * The @code language@ parameter must be non-@code NULL@ for nameWithLanguage and |
| * textWithLanguage string values and must be @code NULL@ for all other string values. |
| */ |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippAddStrings( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_tag_t group, /* I - IPP group */ |
| ipp_tag_t value_tag, /* I - Type of attribute */ |
| const char *name, /* I - Name of attribute */ |
| int num_values, /* I - Number of values */ |
| const char *language, /* I - Language code (@code NULL@ for default) */ |
| const char * const *values) /* I - Values */ |
| { |
| int i; /* Looping var */ |
| ipp_tag_t temp_tag; /* Temporary value tag (masked) */ |
| ipp_attribute_t *attr; /* New attribute */ |
| _ipp_value_t *value; /* Current value */ |
| char code[32]; /* Language/charset value buffer */ |
| |
| |
| DEBUG_printf(("ippAddStrings(ipp=%p, group=%02x(%s), value_tag=%02x(%s), name=\"%s\", num_values=%d, language=\"%s\", values=%p)", (void *)ipp, group, ippTagString(group), value_tag, ippTagString(value_tag), name, num_values, language, (void *)values)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| temp_tag = (ipp_tag_t)((int)value_tag & IPP_TAG_CUPS_MASK); |
| |
| #if 0 |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| (temp_tag < IPP_TAG_TEXT && temp_tag != IPP_TAG_TEXTLANG && |
| temp_tag != IPP_TAG_NAMELANG) || temp_tag > IPP_TAG_MIMETYPE || |
| num_values < 1) |
| return (NULL); |
| |
| if ((temp_tag == IPP_TAG_TEXTLANG || temp_tag == IPP_TAG_NAMELANG) |
| != (language != NULL)) |
| return (NULL); |
| #else |
| if (!ipp || !name || group < IPP_TAG_ZERO || |
| group == IPP_TAG_END || group >= IPP_TAG_UNSUPPORTED_VALUE || |
| num_values < 1) |
| return (NULL); |
| #endif /* 0 */ |
| |
| /* |
| * See if we need to map charset, language, or locale values... |
| */ |
| |
| if (language && ((int)value_tag & IPP_TAG_CUPS_CONST) && |
| strcmp(language, ipp_lang_code(language, code, sizeof(code)))) |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| else if (values && value_tag == (ipp_tag_t)(IPP_TAG_CHARSET | IPP_TAG_CUPS_CONST)) |
| { |
| for (i = 0; i < num_values; i ++) |
| if (strcmp(values[i], ipp_get_code(values[i], code, sizeof(code)))) |
| { |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| break; |
| } |
| } |
| else if (values && value_tag == (ipp_tag_t)(IPP_TAG_LANGUAGE | IPP_TAG_CUPS_CONST)) |
| { |
| for (i = 0; i < num_values; i ++) |
| if (strcmp(values[i], ipp_lang_code(values[i], code, sizeof(code)))) |
| { |
| value_tag = temp_tag; /* Don't do a fast copy */ |
| break; |
| } |
| } |
| |
| /* |
| * Create the attribute... |
| */ |
| |
| if ((attr = ipp_add_attr(ipp, name, group, value_tag, num_values)) == NULL) |
| return (NULL); |
| |
| /* |
| * Initialize the attribute data... |
| */ |
| |
| for (i = num_values, value = attr->values; |
| i > 0; |
| i --, value ++) |
| { |
| if (language) |
| { |
| if (value == attr->values) |
| { |
| if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| value->string.language = (char *)language; |
| else |
| value->string.language = _cupsStrAlloc(ipp_lang_code(language, code, |
| sizeof(code))); |
| } |
| else |
| value->string.language = attr->values[0].string.language; |
| } |
| |
| if (values) |
| { |
| if ((int)value_tag & IPP_TAG_CUPS_CONST) |
| value->string.text = (char *)*values++; |
| else if (value_tag == IPP_TAG_CHARSET) |
| value->string.text = _cupsStrAlloc(ipp_get_code(*values++, code, sizeof(code))); |
| else if (value_tag == IPP_TAG_LANGUAGE) |
| value->string.text = _cupsStrAlloc(ipp_lang_code(*values++, code, sizeof(code))); |
| else |
| value->string.text = _cupsStrAlloc(*values++); |
| } |
| } |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ippContainsInteger()' - Determine whether an attribute contains the |
| * specified value or is within the list of ranges. |
| * |
| * Returns non-zero when the attribute contains either a matching integer or |
| * enum value, or the value falls within one of the rangeOfInteger values for |
| * the attribute. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on a match, 0 on no match */ |
| ippContainsInteger( |
| ipp_attribute_t *attr, /* I - Attribute */ |
| int value) /* I - Integer/enum value */ |
| { |
| int i; /* Looping var */ |
| _ipp_value_t *avalue; /* Current attribute value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return (0); |
| |
| if (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM && |
| attr->value_tag != IPP_TAG_RANGE) |
| return (0); |
| |
| /* |
| * Compare... |
| */ |
| |
| if (attr->value_tag == IPP_TAG_RANGE) |
| { |
| for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) |
| if (value >= avalue->range.lower && value <= avalue->range.upper) |
| return (1); |
| } |
| else |
| { |
| for (i = attr->num_values, avalue = attr->values; i > 0; i --, avalue ++) |
| if (value == avalue->integer) |
| return (1); |
| } |
| |
| return (0); |
| } |
| |
| |
| /* |
| * 'ippContainsString()' - Determine whether an attribute contains the |
| * specified string value. |
| * |
| * Returns non-zero when the attribute contains a matching charset, keyword, |
| * naturalLanguage, mimeMediaType, name, text, uri, or uriScheme value. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on a match, 0 on no match */ |
| ippContainsString( |
| ipp_attribute_t *attr, /* I - Attribute */ |
| const char *value) /* I - String value */ |
| { |
| int i; /* Looping var */ |
| _ipp_value_t *avalue; /* Current attribute value */ |
| |
| |
| DEBUG_printf(("ippContainsString(attr=%p, value=\"%s\")", (void *)attr, value)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || !value) |
| { |
| DEBUG_puts("1ippContainsString: Returning 0 (bad input)"); |
| return (0); |
| } |
| |
| /* |
| * Compare... |
| */ |
| |
| DEBUG_printf(("1ippContainsString: attr %s, %s with %d values.", |
| attr->name, ippTagString(attr->value_tag), |
| attr->num_values)); |
| |
| switch (attr->value_tag & IPP_TAG_CUPS_MASK) |
| { |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| for (i = attr->num_values, avalue = attr->values; |
| i > 0; |
| i --, avalue ++) |
| { |
| DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", |
| attr->num_values - i, avalue->string.text)); |
| |
| if (!strcmp(value, avalue->string.text)) |
| { |
| DEBUG_puts("1ippContainsString: Returning 1 (match)"); |
| return (1); |
| } |
| } |
| |
| case IPP_TAG_MIMETYPE : |
| case IPP_TAG_NAME : |
| case IPP_TAG_NAMELANG : |
| case IPP_TAG_TEXT : |
| case IPP_TAG_TEXTLANG : |
| for (i = attr->num_values, avalue = attr->values; |
| i > 0; |
| i --, avalue ++) |
| { |
| DEBUG_printf(("1ippContainsString: value[%d]=\"%s\"", |
| attr->num_values - i, avalue->string.text)); |
| |
| if (!_cups_strcasecmp(value, avalue->string.text)) |
| { |
| DEBUG_puts("1ippContainsString: Returning 1 (match)"); |
| return (1); |
| } |
| } |
| |
| default : |
| break; |
| } |
| |
| DEBUG_puts("1ippContainsString: Returning 0 (no match)"); |
| |
| return (0); |
| } |
| |
| |
| /* |
| * 'ippCopyAttribute()' - Copy an attribute. |
| * |
| * The specified attribute, @code attr@, is copied to the destination IPP message. |
| * When @code quickcopy@ is non-zero, a "shallow" reference copy of the attribute is |
| * created - this should only be done as long as the original source IPP message will |
| * not be freed for the life of the destination. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| |
| ipp_attribute_t * /* O - New attribute */ |
| ippCopyAttribute( |
| ipp_t *dst, /* I - Destination IPP message */ |
| ipp_attribute_t *srcattr, /* I - Attribute to copy */ |
| int quickcopy) /* I - 1 for a referenced copy, 0 for normal */ |
| { |
| int i; /* Looping var */ |
| ipp_tag_t srctag; /* Source value tag */ |
| ipp_attribute_t *dstattr; /* Destination attribute */ |
| _ipp_value_t *srcval, /* Source value */ |
| *dstval; /* Destination value */ |
| |
| |
| DEBUG_printf(("ippCopyAttribute(dst=%p, srcattr=%p, quickcopy=%d)", (void *)dst, (void *)srcattr, quickcopy)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!dst || !srcattr) |
| return (NULL); |
| |
| /* |
| * Copy it... |
| */ |
| |
| quickcopy = (quickcopy && (srcattr->value_tag & IPP_TAG_CUPS_CONST)) ? IPP_TAG_CUPS_CONST : 0; |
| srctag = srcattr->value_tag & IPP_TAG_CUPS_MASK; |
| |
| switch (srctag) |
| { |
| case IPP_TAG_ZERO : |
| dstattr = ippAddSeparator(dst); |
| break; |
| |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| dstattr = ippAddOutOfBand(dst, srcattr->group_tag, srctag, srcattr->name); |
| break; |
| |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| if ((dstattr = ippAddIntegers(dst, srcattr->group_tag, srctag, srcattr->name, srcattr->num_values, NULL)) != NULL) |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| if ((dstattr = ippAddBooleans(dst, srcattr->group_tag, srcattr->name, srcattr->num_values, NULL)) != NULL) |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| break; |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_NAME : |
| case IPP_TAG_RESERVED_STRING : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_MIMETYPE : |
| if ((dstattr = ippAddStrings(dst, srcattr->group_tag, (ipp_tag_t)(srctag | quickcopy), srcattr->name, srcattr->num_values, NULL, NULL)) == NULL) |
| break; |
| |
| if (quickcopy) |
| { |
| /* |
| * Can safely quick-copy these string values... |
| */ |
| |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| } |
| else |
| { |
| /* |
| * Otherwise do a normal reference counted copy... |
| */ |
| |
| for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++) |
| dstval->string.text = _cupsStrAlloc(srcval->string.text); |
| } |
| break; |
| |
| case IPP_TAG_DATE : |
| if (srcattr->num_values != 1) |
| return (NULL); |
| |
| dstattr = ippAddDate(dst, srcattr->group_tag, srcattr->name, srcattr->values[0].date); |
| break; |
| |
| case IPP_TAG_RESOLUTION : |
| if ((dstattr = ippAddResolutions(dst, srcattr->group_tag, srcattr->name, srcattr->num_values, IPP_RES_PER_INCH, NULL, NULL)) != NULL) |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| break; |
| |
| case IPP_TAG_RANGE : |
| if ((dstattr = ippAddRanges(dst, srcattr->group_tag, srcattr->name, srcattr->num_values, NULL, NULL)) != NULL) |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| break; |
| |
| case IPP_TAG_TEXTLANG : |
| case IPP_TAG_NAMELANG : |
| if ((dstattr = ippAddStrings(dst, srcattr->group_tag, (ipp_tag_t)(srctag | quickcopy), srcattr->name, srcattr->num_values, NULL, NULL)) == NULL) |
| break; |
| |
| if (quickcopy) |
| { |
| /* |
| * Can safely quick-copy these string values... |
| */ |
| |
| memcpy(dstattr->values, srcattr->values, (size_t)srcattr->num_values * sizeof(_ipp_value_t)); |
| } |
| else if (srcattr->value_tag & IPP_TAG_CUPS_CONST) |
| { |
| /* |
| * Otherwise do a normal reference counted copy... |
| */ |
| |
| for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++) |
| { |
| if (srcval == srcattr->values) |
| dstval->string.language = _cupsStrAlloc(srcval->string.language); |
| else |
| dstval->string.language = dstattr->values[0].string.language; |
| |
| dstval->string.text = _cupsStrAlloc(srcval->string.text); |
| } |
| } |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| if ((dstattr = ippAddCollections(dst, srcattr->group_tag, srcattr->name, srcattr->num_values, NULL)) == NULL) |
| break; |
| |
| for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++) |
| { |
| dstval->collection = srcval->collection; |
| srcval->collection->use ++; |
| } |
| break; |
| |
| case IPP_TAG_STRING : |
| default : |
| if ((dstattr = ipp_add_attr(dst, srcattr->name, srcattr->group_tag, srctag, srcattr->num_values)) == NULL) |
| break; |
| |
| for (i = srcattr->num_values, srcval = srcattr->values, dstval = dstattr->values; i > 0; i --, srcval ++, dstval ++) |
| { |
| dstval->unknown.length = srcval->unknown.length; |
| |
| if (dstval->unknown.length > 0) |
| { |
| if ((dstval->unknown.data = malloc((size_t)dstval->unknown.length)) == NULL) |
| dstval->unknown.length = 0; |
| else |
| memcpy(dstval->unknown.data, srcval->unknown.data, (size_t)dstval->unknown.length); |
| } |
| } |
| break; /* anti-compiler-warning-code */ |
| } |
| |
| return (dstattr); |
| } |
| |
| |
| /* |
| * 'ippCopyAttributes()' - Copy attributes from one IPP message to another. |
| * |
| * Zero or more attributes are copied from the source IPP message, @code src@, to the |
| * destination IPP message, @code dst@. When @code quickcopy@ is non-zero, a "shallow" |
| * reference copy of the attribute is created - this should only be done as long as the |
| * original source IPP message will not be freed for the life of the destination. |
| * |
| * The @code cb@ and @code context@ parameters provide a generic way to "filter" the |
| * attributes that are copied - the function must return 1 to copy the attribute or |
| * 0 to skip it. The function may also choose to do a partial copy of the source attribute |
| * itself. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on error */ |
| ippCopyAttributes( |
| ipp_t *dst, /* I - Destination IPP message */ |
| ipp_t *src, /* I - Source IPP message */ |
| int quickcopy, /* I - 1 for a referenced copy, 0 for normal */ |
| ipp_copycb_t cb, /* I - Copy callback or @code NULL@ for none */ |
| void *context) /* I - Context pointer */ |
| { |
| ipp_attribute_t *srcattr; /* Source attribute */ |
| |
| |
| DEBUG_printf(("ippCopyAttributes(dst=%p, src=%p, quickcopy=%d, cb=%p, context=%p)", (void *)dst, (void *)src, quickcopy, (void *)cb, context)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!dst || !src) |
| return (0); |
| |
| /* |
| * Loop through source attributes and copy as needed... |
| */ |
| |
| for (srcattr = src->attrs; srcattr; srcattr = srcattr->next) |
| if (!cb || (*cb)(context, dst, srcattr)) |
| if (!ippCopyAttribute(dst, srcattr, quickcopy)) |
| return (0); |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippDateToTime()' - Convert from RFC 2579 Date/Time format to time in |
| * seconds. |
| */ |
| |
| time_t /* O - UNIX time value */ |
| ippDateToTime(const ipp_uchar_t *date) /* I - RFC 2579 date info */ |
| { |
| struct tm unixdate; /* UNIX date/time info */ |
| time_t t; /* Computed time */ |
| |
| |
| if (!date) |
| return (0); |
| |
| memset(&unixdate, 0, sizeof(unixdate)); |
| |
| /* |
| * RFC-2579 date/time format is: |
| * |
| * Byte(s) Description |
| * ------- ----------- |
| * 0-1 Year (0 to 65535) |
| * 2 Month (1 to 12) |
| * 3 Day (1 to 31) |
| * 4 Hours (0 to 23) |
| * 5 Minutes (0 to 59) |
| * 6 Seconds (0 to 60, 60 = "leap second") |
| * 7 Deciseconds (0 to 9) |
| * 8 +/- UTC |
| * 9 UTC hours (0 to 11) |
| * 10 UTC minutes (0 to 59) |
| */ |
| |
| unixdate.tm_year = ((date[0] << 8) | date[1]) - 1900; |
| unixdate.tm_mon = date[2] - 1; |
| unixdate.tm_mday = date[3]; |
| unixdate.tm_hour = date[4]; |
| unixdate.tm_min = date[5]; |
| unixdate.tm_sec = date[6]; |
| |
| t = mktime(&unixdate); |
| |
| if (date[8] == '-') |
| t += date[9] * 3600 + date[10] * 60; |
| else |
| t -= date[9] * 3600 + date[10] * 60; |
| |
| return (t); |
| } |
| |
| |
| /* |
| * 'ippDelete()' - Delete an IPP message. |
| */ |
| |
| void |
| ippDelete(ipp_t *ipp) /* I - IPP message */ |
| { |
| ipp_attribute_t *attr, /* Current attribute */ |
| *next; /* Next attribute */ |
| |
| |
| DEBUG_printf(("ippDelete(ipp=%p)", (void *)ipp)); |
| |
| if (!ipp) |
| return; |
| |
| ipp->use --; |
| if (ipp->use > 0) |
| { |
| DEBUG_printf(("4debug_retain: %p IPP message (use=%d)", (void *)ipp, ipp->use)); |
| return; |
| } |
| |
| DEBUG_printf(("4debug_free: %p IPP message", (void *)ipp)); |
| |
| for (attr = ipp->attrs; attr != NULL; attr = next) |
| { |
| next = attr->next; |
| |
| DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); |
| |
| ipp_free_values(attr, 0, attr->num_values); |
| |
| if (attr->name) |
| _cupsStrFree(attr->name); |
| |
| free(attr); |
| } |
| |
| free(ipp); |
| } |
| |
| |
| /* |
| * 'ippDeleteAttribute()' - Delete a single attribute in an IPP message. |
| * |
| * @since CUPS 1.1.19/macOS 10.3@ |
| */ |
| |
| void |
| ippDeleteAttribute( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t *attr) /* I - Attribute to delete */ |
| { |
| ipp_attribute_t *current, /* Current attribute */ |
| *prev; /* Previous attribute */ |
| |
| |
| DEBUG_printf(("ippDeleteAttribute(ipp=%p, attr=%p(%s))", (void *)ipp, (void *)attr, attr ? attr->name : "(null)")); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return; |
| |
| DEBUG_printf(("4debug_free: %p %s %s%s (%d values)", (void *)attr, attr->name, attr->num_values > 1 ? "1setOf " : "", ippTagString(attr->value_tag), attr->num_values)); |
| |
| /* |
| * Find the attribute in the list... |
| */ |
| |
| if (ipp) |
| { |
| for (current = ipp->attrs, prev = NULL; |
| current; |
| prev = current, current = current->next) |
| if (current == attr) |
| { |
| /* |
| * Found it, remove the attribute from the list... |
| */ |
| |
| if (prev) |
| prev->next = current->next; |
| else |
| ipp->attrs = current->next; |
| |
| if (current == ipp->last) |
| ipp->last = prev; |
| |
| break; |
| } |
| |
| if (!current) |
| return; |
| } |
| |
| /* |
| * Free memory used by the attribute... |
| */ |
| |
| ipp_free_values(attr, 0, attr->num_values); |
| |
| if (attr->name) |
| _cupsStrFree(attr->name); |
| |
| free(attr); |
| } |
| |
| |
| /* |
| * 'ippDeleteValues()' - Delete values in an attribute. |
| * |
| * The @code element@ parameter specifies the first value to delete, starting at |
| * 0. It must be less than the number of values returned by @link ippGetCount@. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * Deleting all values in an attribute deletes the attribute. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippDeleteValues( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - Attribute */ |
| int element, /* I - Index of first value to delete (0-based) */ |
| int count) /* I - Number of values to delete */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || |
| element < 0 || element >= (*attr)->num_values || count <= 0 || |
| (element + count) >= (*attr)->num_values) |
| return (0); |
| |
| /* |
| * If we are deleting all values, just delete the attribute entirely. |
| */ |
| |
| if (count == (*attr)->num_values) |
| { |
| ippDeleteAttribute(ipp, *attr); |
| *attr = NULL; |
| return (1); |
| } |
| |
| /* |
| * Otherwise free the values in question and return. |
| */ |
| |
| ipp_free_values(*attr, element, count); |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippFindAttribute()' - Find a named attribute in a request. |
| * |
| * Starting with CUPS 2.0, the attribute name can contain a hierarchical list |
| * of attribute and member names separated by slashes, for example |
| * "media-col/media-size". |
| */ |
| |
| ipp_attribute_t * /* O - Matching attribute */ |
| ippFindAttribute(ipp_t *ipp, /* I - IPP message */ |
| const char *name, /* I - Name of attribute */ |
| ipp_tag_t type) /* I - Type of attribute */ |
| { |
| DEBUG_printf(("2ippFindAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); |
| |
| if (!ipp || !name) |
| return (NULL); |
| |
| /* |
| * Reset the current pointer... |
| */ |
| |
| ipp->current = NULL; |
| ipp->atend = 0; |
| |
| /* |
| * Search for the attribute... |
| */ |
| |
| return (ippFindNextAttribute(ipp, name, type)); |
| } |
| |
| |
| /* |
| * 'ippFindNextAttribute()' - Find the next named attribute in a request. |
| * |
| * Starting with CUPS 2.0, the attribute name can contain a hierarchical list |
| * of attribute and member names separated by slashes, for example |
| * "media-col/media-size". |
| */ |
| |
| ipp_attribute_t * /* O - Matching attribute */ |
| ippFindNextAttribute(ipp_t *ipp, /* I - IPP message */ |
| const char *name, /* I - Name of attribute */ |
| ipp_tag_t type) /* I - Type of attribute */ |
| { |
| ipp_attribute_t *attr, /* Current atttribute */ |
| *childattr; /* Child attribute */ |
| ipp_tag_t value_tag; /* Value tag */ |
| char parent[1024], /* Parent attribute name */ |
| *child = NULL; /* Child attribute name */ |
| |
| |
| DEBUG_printf(("2ippFindNextAttribute(ipp=%p, name=\"%s\", type=%02x(%s))", (void *)ipp, name, type, ippTagString(type))); |
| |
| if (!ipp || !name) |
| return (NULL); |
| |
| DEBUG_printf(("3ippFindNextAttribute: atend=%d", ipp->atend)); |
| |
| if (ipp->atend) |
| return (NULL); |
| |
| if (strchr(name, '/')) |
| { |
| /* |
| * Search for child attribute... |
| */ |
| |
| strlcpy(parent, name, sizeof(parent)); |
| if ((child = strchr(parent, '/')) == NULL) |
| { |
| DEBUG_puts("3ippFindNextAttribute: Attribute name too long."); |
| return (NULL); |
| } |
| |
| *child++ = '\0'; |
| |
| if (ipp->current && ipp->current->name && ipp->current->value_tag == IPP_TAG_BEGIN_COLLECTION && !strcmp(parent, ipp->current->name)) |
| { |
| while (ipp->curindex < ipp->current->num_values) |
| { |
| if ((childattr = ippFindNextAttribute(ipp->current->values[ipp->curindex].collection, child, type)) != NULL) |
| return (childattr); |
| |
| ipp->curindex ++; |
| if (ipp->curindex < ipp->current->num_values && ipp->current->values[ipp->curindex].collection) |
| ipp->current->values[ipp->curindex].collection->current = NULL; |
| } |
| |
| ipp->prev = ipp->current; |
| ipp->current = ipp->current->next; |
| ipp->curindex = 0; |
| |
| if (!ipp->current) |
| { |
| ipp->atend = 1; |
| return (NULL); |
| } |
| } |
| |
| if (!ipp->current) |
| { |
| ipp->prev = NULL; |
| ipp->current = ipp->attrs; |
| ipp->curindex = 0; |
| } |
| |
| name = parent; |
| attr = ipp->current; |
| } |
| else if (ipp->current) |
| { |
| ipp->prev = ipp->current; |
| attr = ipp->current->next; |
| } |
| else |
| { |
| ipp->prev = NULL; |
| attr = ipp->attrs; |
| } |
| |
| for (; attr != NULL; ipp->prev = attr, attr = attr->next) |
| { |
| DEBUG_printf(("4ippFindAttribute: attr=%p, name=\"%s\"", (void *)attr, attr->name)); |
| |
| value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); |
| |
| if (attr->name != NULL && _cups_strcasecmp(attr->name, name) == 0 && |
| (value_tag == type || type == IPP_TAG_ZERO || name == parent || |
| (value_tag == IPP_TAG_TEXTLANG && type == IPP_TAG_TEXT) || |
| (value_tag == IPP_TAG_NAMELANG && type == IPP_TAG_NAME))) |
| { |
| ipp->current = attr; |
| |
| if (name == parent && attr->value_tag == IPP_TAG_BEGIN_COLLECTION) |
| { |
| int i; /* Looping var */ |
| |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if ((childattr = ippFindAttribute(attr->values[i].collection, child, type)) != NULL) |
| { |
| attr->values[0].collection->curindex = i; |
| return (childattr); |
| } |
| } |
| } |
| else |
| return (attr); |
| } |
| } |
| |
| ipp->current = NULL; |
| ipp->prev = NULL; |
| ipp->atend = 1; |
| |
| return (NULL); |
| } |
| |
| |
| /* |
| * 'ippFirstAttribute()' - Return the first attribute in the message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_attribute_t * /* O - First attribute or @code NULL@ if none */ |
| ippFirstAttribute(ipp_t *ipp) /* I - IPP message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (NULL); |
| |
| /* |
| * Return the first attribute... |
| */ |
| |
| return (ipp->current = ipp->attrs); |
| } |
| |
| |
| /* |
| * 'ippGetBoolean()' - Get a boolean value for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Boolean value or 0 on error */ |
| ippGetBoolean(ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element) /* I - Value number (0-based) */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_BOOLEAN || |
| element < 0 || element >= attr->num_values) |
| return (0); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (attr->values[element].boolean); |
| } |
| |
| |
| /* |
| * 'ippGetCollection()' - Get a collection value for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_t * /* O - Collection value or @code NULL@ on error */ |
| ippGetCollection( |
| ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element) /* I - Value number (0-based) */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_BEGIN_COLLECTION || |
| element < 0 || element >= attr->num_values) |
| return (NULL); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (attr->values[element].collection); |
| } |
| |
| |
| /* |
| * 'ippGetCount()' - Get the number of values in an attribute. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Number of values or 0 on error */ |
| ippGetCount(ipp_attribute_t *attr) /* I - IPP attribute */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return (0); |
| |
| /* |
| * Return the number of values... |
| */ |
| |
| return (attr->num_values); |
| } |
| |
| |
| /* |
| * 'ippGetDate()' - Get a dateTime value for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| const ipp_uchar_t * /* O - dateTime value or @code NULL@ */ |
| ippGetDate(ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element) /* I - Value number (0-based) */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_DATE || |
| element < 0 || element >= attr->num_values) |
| return (NULL); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (attr->values[element].date); |
| } |
| |
| |
| /* |
| * 'ippGetGroupTag()' - Get the group associated with an attribute. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_tag_t /* O - Group tag or @code IPP_TAG_ZERO@ on error */ |
| ippGetGroupTag(ipp_attribute_t *attr) /* I - IPP attribute */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return (IPP_TAG_ZERO); |
| |
| /* |
| * Return the group... |
| */ |
| |
| return (attr->group_tag); |
| } |
| |
| |
| /* |
| * 'ippGetInteger()' - Get the integer/enum value for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Value or 0 on error */ |
| ippGetInteger(ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element) /* I - Value number (0-based) */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || (attr->value_tag != IPP_TAG_INTEGER && attr->value_tag != IPP_TAG_ENUM) || |
| element < 0 || element >= attr->num_values) |
| return (0); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (attr->values[element].integer); |
| } |
| |
| |
| /* |
| * 'ippGetName()' - Get the attribute name. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| const char * /* O - Attribute name or @code NULL@ for separators */ |
| ippGetName(ipp_attribute_t *attr) /* I - IPP attribute */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return (NULL); |
| |
| /* |
| * Return the name... |
| */ |
| |
| return (attr->name); |
| } |
| |
| |
| /* |
| * 'ippGetOctetString()' - Get an octetString value from an IPP attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| void * /* O - Pointer to octetString data */ |
| ippGetOctetString( |
| ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int *datalen) /* O - Length of octetString data */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_STRING || |
| element < 0 || element >= attr->num_values) |
| { |
| if (datalen) |
| *datalen = 0; |
| |
| return (NULL); |
| } |
| |
| /* |
| * Return the values... |
| */ |
| |
| if (datalen) |
| *datalen = attr->values[element].unknown.length; |
| |
| return (attr->values[element].unknown.data); |
| } |
| |
| |
| /* |
| * 'ippGetOperation()' - Get the operation ID in an IPP message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_op_t /* O - Operation ID or 0 on error */ |
| ippGetOperation(ipp_t *ipp) /* I - IPP request message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return ((ipp_op_t)0); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (ipp->request.op.operation_id); |
| } |
| |
| |
| /* |
| * 'ippGetRange()' - Get a rangeOfInteger value from an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Lower value of range or 0 */ |
| ippGetRange(ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int *uppervalue)/* O - Upper value of range */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_RANGE || |
| element < 0 || element >= attr->num_values) |
| { |
| if (uppervalue) |
| *uppervalue = 0; |
| |
| return (0); |
| } |
| |
| /* |
| * Return the values... |
| */ |
| |
| if (uppervalue) |
| *uppervalue = attr->values[element].range.upper; |
| |
| return (attr->values[element].range.lower); |
| } |
| |
| |
| /* |
| * 'ippGetRequestId()' - Get the request ID from an IPP message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Request ID or 0 on error */ |
| ippGetRequestId(ipp_t *ipp) /* I - IPP message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (0); |
| |
| /* |
| * Return the request ID... |
| */ |
| |
| return (ipp->request.any.request_id); |
| } |
| |
| |
| /* |
| * 'ippGetResolution()' - Get a resolution value for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Horizontal/cross feed resolution or 0 */ |
| ippGetResolution( |
| ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int *yres, /* O - Vertical/feed resolution */ |
| ipp_res_t *units) /* O - Units for resolution */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr || attr->value_tag != IPP_TAG_RESOLUTION || |
| element < 0 || element >= attr->num_values) |
| { |
| if (yres) |
| *yres = 0; |
| |
| if (units) |
| *units = (ipp_res_t)0; |
| |
| return (0); |
| } |
| |
| /* |
| * Return the value... |
| */ |
| |
| if (yres) |
| *yres = attr->values[element].resolution.yres; |
| |
| if (units) |
| *units = attr->values[element].resolution.units; |
| |
| return (attr->values[element].resolution.xres); |
| } |
| |
| |
| /* |
| * 'ippGetState()' - Get the IPP message state. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_state_t /* O - IPP message state value */ |
| ippGetState(ipp_t *ipp) /* I - IPP message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (IPP_STATE_IDLE); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (ipp->state); |
| } |
| |
| |
| /* |
| * 'ippGetStatusCode()' - Get the status code from an IPP response or event message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_status_t /* O - Status code in IPP message */ |
| ippGetStatusCode(ipp_t *ipp) /* I - IPP response or event message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (IPP_STATUS_ERROR_INTERNAL); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (ipp->request.status.status_code); |
| } |
| |
| |
| /* |
| * 'ippGetString()' - Get the string and optionally the language code for an attribute. |
| * |
| * The @code element@ parameter specifies which value to get from 0 to |
| * @code ippGetCount(attr)@ - 1. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| const char * |
| ippGetString(ipp_attribute_t *attr, /* I - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const char **language)/* O - Language code (@code NULL@ for don't care) */ |
| { |
| ipp_tag_t tag; /* Value tag */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| tag = ippGetValueTag(attr); |
| |
| if (!attr || element < 0 || element >= attr->num_values || (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE))) |
| return (NULL); |
| |
| /* |
| * Return the value... |
| */ |
| |
| if (language) |
| *language = attr->values[element].string.language; |
| |
| return (attr->values[element].string.text); |
| } |
| |
| |
| /* |
| * 'ippGetValueTag()' - Get the value tag for an attribute. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_tag_t /* O - Value tag or @code IPP_TAG_ZERO@ on error */ |
| ippGetValueTag(ipp_attribute_t *attr) /* I - IPP attribute */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!attr) |
| return (IPP_TAG_ZERO); |
| |
| /* |
| * Return the value... |
| */ |
| |
| return (attr->value_tag & IPP_TAG_CUPS_MASK); |
| } |
| |
| |
| /* |
| * 'ippGetVersion()' - Get the major and minor version number from an IPP message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - Major version number or 0 on error */ |
| ippGetVersion(ipp_t *ipp, /* I - IPP message */ |
| int *minor) /* O - Minor version number or @code NULL@ for don't care */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| { |
| if (minor) |
| *minor = 0; |
| |
| return (0); |
| } |
| |
| /* |
| * Return the value... |
| */ |
| |
| if (minor) |
| *minor = ipp->request.any.version[1]; |
| |
| return (ipp->request.any.version[0]); |
| } |
| |
| |
| /* |
| * 'ippLength()' - Compute the length of an IPP message. |
| */ |
| |
| size_t /* O - Size of IPP message */ |
| ippLength(ipp_t *ipp) /* I - IPP message */ |
| { |
| return (ipp_length(ipp, 0)); |
| } |
| |
| |
| /* |
| * 'ippNextAttribute()' - Return the next attribute in the message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| ipp_attribute_t * /* O - Next attribute or @code NULL@ if none */ |
| ippNextAttribute(ipp_t *ipp) /* I - IPP message */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !ipp->current) |
| return (NULL); |
| |
| /* |
| * Return the next attribute... |
| */ |
| |
| return (ipp->current = ipp->current->next); |
| } |
| |
| |
| /* |
| * 'ippNew()' - Allocate a new IPP message. |
| */ |
| |
| ipp_t * /* O - New IPP message */ |
| ippNew(void) |
| { |
| ipp_t *temp; /* New IPP message */ |
| _cups_globals_t *cg = _cupsGlobals(); |
| /* Global data */ |
| |
| |
| DEBUG_puts("ippNew()"); |
| |
| if ((temp = (ipp_t *)calloc(1, sizeof(ipp_t))) != NULL) |
| { |
| /* |
| * Set default version - usually 2.0... |
| */ |
| |
| DEBUG_printf(("4debug_alloc: %p IPP message", (void *)temp)); |
| |
| if (cg->server_version == 0) |
| _cupsSetDefaults(); |
| |
| temp->request.any.version[0] = (ipp_uchar_t)(cg->server_version / 10); |
| temp->request.any.version[1] = (ipp_uchar_t)(cg->server_version % 10); |
| temp->use = 1; |
| } |
| |
| DEBUG_printf(("1ippNew: Returning %p", (void *)temp)); |
| |
| return (temp); |
| } |
| |
| |
| /* |
| * 'ippNewRequest()' - Allocate a new IPP request message. |
| * |
| * The new request message is initialized with the "attributes-charset" and |
| * "attributes-natural-language" attributes added. The |
| * "attributes-natural-language" value is derived from the current locale. |
| * |
| * @since CUPS 1.2/macOS 10.5@ |
| */ |
| |
| ipp_t * /* O - IPP request message */ |
| ippNewRequest(ipp_op_t op) /* I - Operation code */ |
| { |
| ipp_t *request; /* IPP request message */ |
| cups_lang_t *language; /* Current language localization */ |
| static int request_id = 0; /* Current request ID */ |
| static _cups_mutex_t request_mutex = _CUPS_MUTEX_INITIALIZER; |
| /* Mutex for request ID */ |
| |
| |
| DEBUG_printf(("ippNewRequest(op=%02x(%s))", op, ippOpString(op))); |
| |
| /* |
| * Create a new IPP message... |
| */ |
| |
| if ((request = ippNew()) == NULL) |
| return (NULL); |
| |
| /* |
| * Set the operation and request ID... |
| */ |
| |
| _cupsMutexLock(&request_mutex); |
| |
| request->request.op.operation_id = op; |
| request->request.op.request_id = ++request_id; |
| |
| _cupsMutexUnlock(&request_mutex); |
| |
| /* |
| * Use UTF-8 as the character set... |
| */ |
| |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| "attributes-charset", NULL, "utf-8"); |
| |
| /* |
| * Get the language from the current locale... |
| */ |
| |
| language = cupsLangDefault(); |
| |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| "attributes-natural-language", NULL, language->language); |
| |
| /* |
| * Return the new request... |
| */ |
| |
| return (request); |
| } |
| |
| |
| /* |
| * 'ippNewResponse()' - Allocate a new IPP response message. |
| * |
| * The new response message is initialized with the same "version-number", |
| * "request-id", "attributes-charset", and "attributes-natural-language" as the |
| * provided request message. If the "attributes-charset" or |
| * "attributes-natural-language" attributes are missing from the request, |
| * 'utf-8' and a value derived from the current locale are substituted, |
| * respectively. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| ipp_t * /* O - IPP response message */ |
| ippNewResponse(ipp_t *request) /* I - IPP request message */ |
| { |
| ipp_t *response; /* IPP response message */ |
| ipp_attribute_t *attr; /* Current attribute */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!request) |
| return (NULL); |
| |
| /* |
| * Create a new IPP message... |
| */ |
| |
| if ((response = ippNew()) == NULL) |
| return (NULL); |
| |
| /* |
| * Copy the request values over to the response... |
| */ |
| |
| response->request.status.version[0] = request->request.op.version[0]; |
| response->request.status.version[1] = request->request.op.version[1]; |
| response->request.status.request_id = request->request.op.request_id; |
| |
| /* |
| * The first attribute MUST be attributes-charset... |
| */ |
| |
| attr = request->attrs; |
| |
| if (attr && attr->name && !strcmp(attr->name, "attributes-charset") && |
| attr->group_tag == IPP_TAG_OPERATION && |
| attr->value_tag == IPP_TAG_CHARSET && |
| attr->num_values == 1) |
| { |
| /* |
| * Copy charset from request... |
| */ |
| |
| ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| "attributes-charset", NULL, attr->values[0].string.text); |
| } |
| else |
| { |
| /* |
| * Use "utf-8" as the default... |
| */ |
| |
| ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_CHARSET, |
| "attributes-charset", NULL, "utf-8"); |
| } |
| |
| /* |
| * Then attributes-natural-language... |
| */ |
| |
| if (attr) |
| attr = attr->next; |
| |
| if (attr && attr->name && |
| !strcmp(attr->name, "attributes-natural-language") && |
| attr->group_tag == IPP_TAG_OPERATION && |
| attr->value_tag == IPP_TAG_LANGUAGE && |
| attr->num_values == 1) |
| { |
| /* |
| * Copy language from request... |
| */ |
| |
| ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| "attributes-natural-language", NULL, |
| attr->values[0].string.text); |
| } |
| else |
| { |
| /* |
| * Use the language from the current locale... |
| */ |
| |
| cups_lang_t *language = cupsLangDefault(); |
| /* Current locale */ |
| |
| ippAddString(response, IPP_TAG_OPERATION, IPP_TAG_LANGUAGE, |
| "attributes-natural-language", NULL, language->language); |
| } |
| |
| return (response); |
| } |
| |
| |
| /* |
| * 'ippRead()' - Read data for an IPP message from a HTTP connection. |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippRead(http_t *http, /* I - HTTP connection */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| DEBUG_printf(("ippRead(http=%p, ipp=%p), data_remaining=" CUPS_LLFMT, (void *)http, (void *)ipp, CUPS_LLCAST (http ? http->data_remaining : -1))); |
| |
| if (!http) |
| return (IPP_STATE_ERROR); |
| |
| DEBUG_printf(("2ippRead: http->state=%d, http->used=%d", http->state, http->used)); |
| |
| return (ippReadIO(http, (ipp_iocb_t)ipp_read_http, http->blocking, NULL, |
| ipp)); |
| } |
| |
| |
| /* |
| * 'ippReadFile()' - Read data for an IPP message from a file. |
| * |
| * @since CUPS 1.1.19/macOS 10.3@ |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippReadFile(int fd, /* I - HTTP data */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| DEBUG_printf(("ippReadFile(fd=%d, ipp=%p)", fd, (void *)ipp)); |
| |
| return (ippReadIO(&fd, (ipp_iocb_t)ipp_read_file, 1, NULL, ipp)); |
| } |
| |
| |
| /* |
| * 'ippReadIO()' - Read data for an IPP message. |
| * |
| * @since CUPS 1.2/macOS 10.5@ |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippReadIO(void *src, /* I - Data source */ |
| ipp_iocb_t cb, /* I - Read callback function */ |
| int blocking, /* I - Use blocking IO? */ |
| ipp_t *parent, /* I - Parent request, if any */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| int n; /* Length of data */ |
| unsigned char *buffer, /* Data buffer */ |
| string[IPP_MAX_TEXT], |
| /* Small string buffer */ |
| *bufptr; /* Pointer into buffer */ |
| ipp_attribute_t *attr; /* Current attribute */ |
| ipp_tag_t tag; /* Current tag */ |
| ipp_tag_t value_tag; /* Current value tag */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippReadIO(src=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)src, (void *)cb, blocking, (void *)parent, (void *)ipp)); |
| DEBUG_printf(("2ippReadIO: ipp->state=%d", ipp ? ipp->state : IPP_STATE_ERROR)); |
| |
| if (!src || !ipp) |
| return (IPP_STATE_ERROR); |
| |
| if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) |
| { |
| DEBUG_puts("1ippReadIO: Unable to get read buffer."); |
| return (IPP_STATE_ERROR); |
| } |
| |
| switch (ipp->state) |
| { |
| case IPP_STATE_IDLE : |
| ipp->state ++; /* Avoid common problem... */ |
| |
| case IPP_STATE_HEADER : |
| if (parent == NULL) |
| { |
| /* |
| * Get the request header... |
| */ |
| |
| if ((*cb)(src, buffer, 8) < 8) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read header."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| /* |
| * Then copy the request header over... |
| */ |
| |
| ipp->request.any.version[0] = buffer[0]; |
| ipp->request.any.version[1] = buffer[1]; |
| ipp->request.any.op_status = (buffer[2] << 8) | buffer[3]; |
| ipp->request.any.request_id = (((((buffer[4] << 8) | buffer[5]) << 8) | |
| buffer[6]) << 8) | buffer[7]; |
| |
| DEBUG_printf(("2ippReadIO: version=%d.%d", buffer[0], buffer[1])); |
| DEBUG_printf(("2ippReadIO: op_status=%04x", |
| ipp->request.any.op_status)); |
| DEBUG_printf(("2ippReadIO: request_id=%d", |
| ipp->request.any.request_id)); |
| } |
| |
| ipp->state = IPP_STATE_ATTRIBUTE; |
| ipp->current = NULL; |
| ipp->curtag = IPP_TAG_ZERO; |
| ipp->prev = ipp->last; |
| |
| /* |
| * If blocking is disabled, stop here... |
| */ |
| |
| if (!blocking) |
| break; |
| |
| case IPP_STATE_ATTRIBUTE : |
| for (;;) |
| { |
| if ((*cb)(src, buffer, 1) < 1) |
| { |
| DEBUG_puts("1ippReadIO: Callback returned EOF/error"); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippReadIO: ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); |
| |
| /* |
| * Read this attribute... |
| */ |
| |
| tag = (ipp_tag_t)buffer[0]; |
| if (tag == IPP_TAG_EXTENSION) |
| { |
| /* |
| * Read 32-bit "extension" tag... |
| */ |
| |
| if ((*cb)(src, buffer, 4) < 1) |
| { |
| DEBUG_puts("1ippReadIO: Callback returned EOF/error"); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| tag = (ipp_tag_t)((((((buffer[0] << 8) | buffer[1]) << 8) | |
| buffer[2]) << 8) | buffer[3]); |
| |
| if (tag & IPP_TAG_CUPS_CONST) |
| { |
| /* |
| * Fail if the high bit is set in the tag... |
| */ |
| |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP extension tag larger than 0x7FFFFFFF."), 1); |
| DEBUG_printf(("1ippReadIO: bad tag 0x%x.", tag)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| |
| if (tag == IPP_TAG_END) |
| { |
| /* |
| * No more attributes left... |
| */ |
| |
| DEBUG_puts("2ippReadIO: IPP_TAG_END."); |
| |
| ipp->state = IPP_STATE_DATA; |
| break; |
| } |
| else if (tag == IPP_TAG_ZERO || (tag == IPP_TAG_OPERATION && ipp->curtag != IPP_TAG_ZERO)) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Invalid group tag."), 1); |
| DEBUG_printf(("1ippReadIO: bad tag 0x%02x.", tag)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| else if (tag < IPP_TAG_UNSUPPORTED_VALUE) |
| { |
| /* |
| * Group tag... Set the current group and continue... |
| */ |
| |
| if (ipp->curtag == tag) |
| ipp->prev = ippAddSeparator(ipp); |
| else if (ipp->current) |
| ipp->prev = ipp->current; |
| |
| ipp->curtag = tag; |
| ipp->current = NULL; |
| DEBUG_printf(("2ippReadIO: group tag=%x(%s), ipp->prev=%p", tag, ippTagString(tag), (void *)ipp->prev)); |
| continue; |
| } |
| |
| DEBUG_printf(("2ippReadIO: value tag=%x(%s)", tag, |
| ippTagString(tag))); |
| |
| /* |
| * Get the name... |
| */ |
| |
| if ((*cb)(src, buffer, 2) < 2) |
| { |
| DEBUG_puts("1ippReadIO: unable to read name length."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| n = (buffer[0] << 8) | buffer[1]; |
| |
| if (n >= IPP_BUF_SIZE) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP name larger than 32767 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad name length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippReadIO: name length=%d", n)); |
| |
| if (n == 0 && tag != IPP_TAG_MEMBERNAME && |
| tag != IPP_TAG_END_COLLECTION) |
| { |
| /* |
| * More values for current attribute... |
| */ |
| |
| if (ipp->current == NULL) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP attribute has no name."), 1); |
| DEBUG_puts("1ippReadIO: Attribute without name and no current."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| attr = ipp->current; |
| value_tag = (ipp_tag_t)(attr->value_tag & IPP_TAG_CUPS_MASK); |
| |
| /* |
| * Make sure we aren't adding a new value of a different |
| * type... |
| */ |
| |
| if (value_tag == IPP_TAG_ZERO) |
| { |
| /* |
| * Setting the value of a collection member... |
| */ |
| |
| attr->value_tag = tag; |
| } |
| else if (value_tag == IPP_TAG_TEXTLANG || |
| value_tag == IPP_TAG_NAMELANG || |
| (value_tag >= IPP_TAG_TEXT && |
| value_tag <= IPP_TAG_MIMETYPE)) |
| { |
| /* |
| * String values can sometimes come across in different |
| * forms; accept sets of differing values... |
| */ |
| |
| if (tag != IPP_TAG_TEXTLANG && tag != IPP_TAG_NAMELANG && |
| (tag < IPP_TAG_TEXT || tag > IPP_TAG_MIMETYPE) && |
| tag != IPP_TAG_NOVALUE) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP 1setOf attribute with incompatible value " |
| "tags."), 1); |
| DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", |
| value_tag, ippTagString(value_tag), tag, |
| ippTagString(tag))); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if (value_tag != tag) |
| { |
| DEBUG_printf(("1ippReadIO: Converting %s attribute from %s to %s.", |
| attr->name, ippTagString(value_tag), ippTagString(tag))); |
| ippSetValueTag(ipp, &attr, tag); |
| } |
| } |
| else if (value_tag == IPP_TAG_INTEGER || |
| value_tag == IPP_TAG_RANGE) |
| { |
| /* |
| * Integer and rangeOfInteger values can sometimes be mixed; accept |
| * sets of differing values... |
| */ |
| |
| if (tag != IPP_TAG_INTEGER && tag != IPP_TAG_RANGE) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP 1setOf attribute with incompatible value " |
| "tags."), 1); |
| DEBUG_printf(("1ippReadIO: 1setOf value tag %x(%s) != %x(%s)", |
| value_tag, ippTagString(value_tag), tag, |
| ippTagString(tag))); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if (value_tag == IPP_TAG_INTEGER && tag == IPP_TAG_RANGE) |
| { |
| /* |
| * Convert integer values to rangeOfInteger values... |
| */ |
| |
| DEBUG_printf(("1ippReadIO: Converting %s attribute to " |
| "rangeOfInteger.", attr->name)); |
| ippSetValueTag(ipp, &attr, IPP_TAG_RANGE); |
| } |
| } |
| else if (value_tag != tag) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP 1setOf attribute with incompatible value " |
| "tags."), 1); |
| DEBUG_printf(("1ippReadIO: value tag %x(%s) != %x(%s)", |
| value_tag, ippTagString(value_tag), tag, |
| ippTagString(tag))); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| /* |
| * Finally, reallocate the attribute array as needed... |
| */ |
| |
| if ((value = ipp_set_value(ipp, &attr, attr->num_values)) == NULL) |
| { |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| else if (tag == IPP_TAG_MEMBERNAME) |
| { |
| /* |
| * Name must be length 0! |
| */ |
| |
| if (n) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP member name is not empty."), 1); |
| DEBUG_puts("1ippReadIO: member name not empty."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if (ipp->current) |
| ipp->prev = ipp->current; |
| |
| attr = ipp->current = ipp_add_attr(ipp, NULL, ipp->curtag, IPP_TAG_ZERO, 1); |
| if (!attr) |
| { |
| _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| DEBUG_puts("1ippReadIO: unable to allocate attribute."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippReadIO: membername, ipp->current=%p, ipp->prev=%p", (void *)ipp->current, (void *)ipp->prev)); |
| |
| value = attr->values; |
| } |
| else if (tag != IPP_TAG_END_COLLECTION) |
| { |
| /* |
| * New attribute; read the name and add it... |
| */ |
| |
| if ((*cb)(src, buffer, (size_t)n) < n) |
| { |
| DEBUG_puts("1ippReadIO: unable to read name."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| buffer[n] = '\0'; |
| |
| if (ipp->current) |
| ipp->prev = ipp->current; |
| |
| if ((attr = ipp->current = ipp_add_attr(ipp, (char *)buffer, ipp->curtag, tag, |
| 1)) == NULL) |
| { |
| _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| DEBUG_puts("1ippReadIO: unable to allocate attribute."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippReadIO: name=\"%s\", ipp->current=%p, ipp->prev=%p", buffer, (void *)ipp->current, (void *)ipp->prev)); |
| |
| value = attr->values; |
| } |
| else |
| { |
| attr = NULL; |
| value = NULL; |
| } |
| |
| if ((*cb)(src, buffer, 2) < 2) |
| { |
| DEBUG_puts("1ippReadIO: unable to read value length."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| n = (buffer[0] << 8) | buffer[1]; |
| DEBUG_printf(("2ippReadIO: value length=%d", n)); |
| |
| if (n >= IPP_BUF_SIZE) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP value larger than 32767 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| switch (tag) |
| { |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| if (n != 4) |
| { |
| if (tag == IPP_TAG_INTEGER) |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP integer value not 4 bytes."), 1); |
| else |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP enum value not 4 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad integer value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, buffer, 4) < 4) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read integer value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| n = (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| buffer[3]; |
| |
| if (attr->value_tag == IPP_TAG_RANGE) |
| value->range.lower = value->range.upper = n; |
| else |
| value->integer = n; |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| if (n != 1) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP boolean value not 1 byte."), |
| 1); |
| DEBUG_printf(("1ippReadIO: bad boolean value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, buffer, 1) < 1) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read boolean value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| value->boolean = (char)buffer[0]; |
| break; |
| |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| /* |
| * These value types are not supposed to have values, however |
| * some vendors (Brother) do not implement IPP correctly and so |
| * we need to map non-empty values to text... |
| */ |
| |
| if (attr->value_tag == tag) |
| { |
| if (n == 0) |
| break; |
| |
| attr->value_tag = IPP_TAG_TEXT; |
| } |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_NAME : |
| case IPP_TAG_RESERVED_STRING : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_MIMETYPE : |
| if (n > 0) |
| { |
| if ((*cb)(src, buffer, (size_t)n) < n) |
| { |
| DEBUG_puts("1ippReadIO: unable to read string value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| |
| buffer[n] = '\0'; |
| value->string.text = _cupsStrAlloc((char *)buffer); |
| DEBUG_printf(("2ippReadIO: value=\"%s\"", value->string.text)); |
| break; |
| |
| case IPP_TAG_DATE : |
| if (n != 11) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("IPP date value not 11 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad date value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, value->date, 11) < 11) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read date value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| break; |
| |
| case IPP_TAG_RESOLUTION : |
| if (n != 9) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP resolution value not 9 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad resolution value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, buffer, 9) < 9) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read resolution value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| value->resolution.xres = |
| (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| buffer[3]; |
| value->resolution.yres = |
| (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | |
| buffer[7]; |
| value->resolution.units = |
| (ipp_res_t)buffer[8]; |
| break; |
| |
| case IPP_TAG_RANGE : |
| if (n != 8) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP rangeOfInteger value not 8 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad rangeOfInteger value length " |
| "%d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, buffer, 8) < 8) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read range value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| value->range.lower = |
| (((((buffer[0] << 8) | buffer[1]) << 8) | buffer[2]) << 8) | |
| buffer[3]; |
| value->range.upper = |
| (((((buffer[4] << 8) | buffer[5]) << 8) | buffer[6]) << 8) | |
| buffer[7]; |
| break; |
| |
| case IPP_TAG_TEXTLANG : |
| case IPP_TAG_NAMELANG : |
| if (n < 4) |
| { |
| if (tag == IPP_TAG_TEXTLANG) |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP textWithLanguage value less than " |
| "minimum 4 bytes."), 1); |
| else |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP nameWithLanguage value less than " |
| "minimum 4 bytes."), 1); |
| DEBUG_printf(("1ippReadIO: bad stringWithLanguage value " |
| "length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, buffer, (size_t)n) < n) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read string w/language " |
| "value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| |
| /* |
| * text-with-language and name-with-language are composite |
| * values: |
| * |
| * language-length |
| * language |
| * text-length |
| * text |
| */ |
| |
| n = (bufptr[0] << 8) | bufptr[1]; |
| |
| if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE) || n >= (int)sizeof(string)) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP language length overflows value."), 1); |
| DEBUG_printf(("1ippReadIO: bad language value length %d.", |
| n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| else if (n >= IPP_MAX_LANGUAGE) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP language length too large."), 1); |
| DEBUG_printf(("1ippReadIO: bad language value length %d.", |
| n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| memcpy(string, bufptr + 2, (size_t)n); |
| string[n] = '\0'; |
| |
| value->string.language = _cupsStrAlloc((char *)string); |
| |
| bufptr += 2 + n; |
| n = (bufptr[0] << 8) | bufptr[1]; |
| |
| if ((bufptr + 2 + n) >= (buffer + IPP_BUF_SIZE)) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP string length overflows value."), 1); |
| DEBUG_printf(("1ippReadIO: bad string value length %d.", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr[2 + n] = '\0'; |
| value->string.text = _cupsStrAlloc((char *)bufptr + 2); |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| /* |
| * Oh, boy, here comes a collection value, so read it... |
| */ |
| |
| value->collection = ippNew(); |
| |
| if (n > 0) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP begCollection value not 0 bytes."), 1); |
| DEBUG_puts("1ippReadIO: begCollection tag with value length " |
| "> 0."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if (ippReadIO(src, cb, 1, ipp, value->collection) == IPP_STATE_ERROR) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read collection value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| break; |
| |
| case IPP_TAG_END_COLLECTION : |
| _cupsBufferRelease((char *)buffer); |
| |
| if (n > 0) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP endCollection value not 0 bytes."), 1); |
| DEBUG_puts("1ippReadIO: endCollection tag with value length " |
| "> 0."); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_puts("1ippReadIO: endCollection tag..."); |
| return (ipp->state = IPP_STATE_DATA); |
| |
| case IPP_TAG_MEMBERNAME : |
| /* |
| * The value the name of the member in the collection, which |
| * we need to carry over... |
| */ |
| |
| if (!attr) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP memberName with no attribute."), 1); |
| DEBUG_puts("1ippReadIO: Member name without attribute."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| else if (n == 0) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP memberName value is empty."), 1); |
| DEBUG_puts("1ippReadIO: Empty member name value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| else if ((*cb)(src, buffer, (size_t)n) < n) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read member name value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| buffer[n] = '\0'; |
| attr->name = _cupsStrAlloc((char *)buffer); |
| |
| /* |
| * Since collection members are encoded differently than |
| * regular attributes, make sure we don't start with an |
| * empty value... |
| */ |
| |
| attr->num_values --; |
| |
| DEBUG_printf(("2ippReadIO: member name=\"%s\"", attr->name)); |
| break; |
| |
| case IPP_TAG_STRING : |
| default : /* Other unsupported values */ |
| if (tag == IPP_TAG_STRING && n > IPP_MAX_LENGTH) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP octetString length too large."), 1); |
| DEBUG_printf(("1ippReadIO: bad octetString value length %d.", |
| n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| value->unknown.length = n; |
| |
| if (n > 0) |
| { |
| if ((value->unknown.data = malloc((size_t)n)) == NULL) |
| { |
| _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| DEBUG_puts("1ippReadIO: Unable to allocate value"); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((*cb)(src, value->unknown.data, (size_t)n) < n) |
| { |
| DEBUG_puts("1ippReadIO: Unable to read unsupported value."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| else |
| value->unknown.data = NULL; |
| break; |
| } |
| |
| /* |
| * If blocking is disabled, stop here... |
| */ |
| |
| if (!blocking) |
| break; |
| } |
| break; |
| |
| case IPP_STATE_DATA : |
| break; |
| |
| default : |
| break; /* anti-compiler-warning-code */ |
| } |
| |
| DEBUG_printf(("1ippReadIO: returning ipp->state=%d.", ipp->state)); |
| _cupsBufferRelease((char *)buffer); |
| |
| return (ipp->state); |
| } |
| |
| |
| /* |
| * 'ippSetBoolean()' - Set a boolean value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetBoolean(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int boolvalue)/* I - Boolean value */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BOOLEAN || |
| element < 0 || element > (*attr)->num_values) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| value->boolean = (char)boolvalue; |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetCollection()' - Set a collection value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetCollection( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| ipp_t *colvalue) /* I - Collection value */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_BEGIN_COLLECTION || |
| element < 0 || element > (*attr)->num_values || !colvalue) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| { |
| if (value->collection) |
| ippDelete(value->collection); |
| |
| value->collection = colvalue; |
| colvalue->use ++; |
| } |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetDate()' - Set a dateTime value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetDate(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const ipp_uchar_t *datevalue)/* I - dateTime value */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_DATE || |
| element < 0 || element > (*attr)->num_values || !datevalue) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| memcpy(value->date, datevalue, sizeof(value->date)); |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetGroupTag()' - Set the group tag of an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code group@ parameter specifies the IPP attribute group tag: none |
| * (@code IPP_TAG_ZERO@, for member attributes), document (@code IPP_TAG_DOCUMENT@), |
| * event notification (@code IPP_TAG_EVENT_NOTIFICATION@), operation |
| * (@code IPP_TAG_OPERATION@), printer (@code IPP_TAG_PRINTER@), subscription |
| * (@code IPP_TAG_SUBSCRIPTION@), or unsupported (@code IPP_TAG_UNSUPPORTED_GROUP@). |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetGroupTag( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - Attribute */ |
| ipp_tag_t group_tag) /* I - Group tag */ |
| { |
| /* |
| * Range check input - group tag must be 0x01 to 0x0F, per RFC 8011... |
| */ |
| |
| if (!ipp || !attr || !*attr || |
| group_tag < IPP_TAG_ZERO || group_tag == IPP_TAG_END || |
| group_tag >= IPP_TAG_UNSUPPORTED_VALUE) |
| return (0); |
| |
| /* |
| * Set the group tag and return... |
| */ |
| |
| (*attr)->group_tag = group_tag; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetInteger()' - Set an integer or enum value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetInteger(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int intvalue) /* I - Integer/enum value */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || |
| ((*attr)->value_tag != IPP_TAG_INTEGER && (*attr)->value_tag != IPP_TAG_ENUM) || |
| element < 0 || element > (*attr)->num_values) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| value->integer = intvalue; |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetName()' - Set the name of an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetName(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| const char *name) /* I - Attribute name */ |
| { |
| char *temp; /* Temporary name value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((temp = _cupsStrAlloc(name)) != NULL) |
| { |
| if ((*attr)->name) |
| _cupsStrFree((*attr)->name); |
| |
| (*attr)->name = temp; |
| } |
| |
| return (temp != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetOctetString()' - Set an octetString value in an IPP attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetOctetString( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const void *data, /* I - Pointer to octetString data */ |
| int datalen) /* I - Length of octetString data */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_STRING || |
| element < 0 || element > (*attr)->num_values || |
| datalen < 0 || datalen > IPP_MAX_LENGTH) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| { |
| if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) |
| { |
| /* |
| * Just copy the pointer... |
| */ |
| |
| value->unknown.data = (void *)data; |
| value->unknown.length = datalen; |
| } |
| else |
| { |
| /* |
| * Copy the data... |
| */ |
| |
| if (value->unknown.data) |
| { |
| /* |
| * Free previous data... |
| */ |
| |
| free(value->unknown.data); |
| |
| value->unknown.data = NULL; |
| value->unknown.length = 0; |
| } |
| |
| if (datalen > 0) |
| { |
| void *temp; /* Temporary data pointer */ |
| |
| if ((temp = malloc((size_t)datalen)) != NULL) |
| { |
| memcpy(temp, data, (size_t)datalen); |
| |
| value->unknown.data = temp; |
| value->unknown.length = datalen; |
| } |
| else |
| return (0); |
| } |
| } |
| } |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetOperation()' - Set the operation ID in an IPP request message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetOperation(ipp_t *ipp, /* I - IPP request message */ |
| ipp_op_t op) /* I - Operation ID */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (0); |
| |
| /* |
| * Set the operation and return... |
| */ |
| |
| ipp->request.op.operation_id = op; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetRange()' - Set a rangeOfInteger value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetRange(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| int lowervalue, /* I - Lower bound for range */ |
| int uppervalue) /* I - Upper bound for range */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RANGE || |
| element < 0 || element > (*attr)->num_values || lowervalue > uppervalue) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| { |
| value->range.lower = lowervalue; |
| value->range.upper = uppervalue; |
| } |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetRequestId()' - Set the request ID in an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code request_id@ parameter must be greater than 0. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetRequestId(ipp_t *ipp, /* I - IPP message */ |
| int request_id) /* I - Request ID */ |
| { |
| /* |
| * Range check input; not checking request_id values since ipptool wants to send |
| * invalid values for conformance testing and a bad request_id does not affect the |
| * encoding of a message... |
| */ |
| |
| if (!ipp) |
| return (0); |
| |
| /* |
| * Set the request ID and return... |
| */ |
| |
| ipp->request.any.request_id = request_id; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetResolution()' - Set a resolution value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetResolution( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| ipp_res_t unitsvalue, /* I - Resolution units */ |
| int xresvalue, /* I - Horizontal/cross feed resolution */ |
| int yresvalue) /* I - Vertical/feed resolution */ |
| { |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr || (*attr)->value_tag != IPP_TAG_RESOLUTION || |
| element < 0 || element > (*attr)->num_values || xresvalue <= 0 || yresvalue <= 0 || |
| unitsvalue < IPP_RES_PER_INCH || unitsvalue > IPP_RES_PER_CM) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| { |
| value->resolution.units = unitsvalue; |
| value->resolution.xres = xresvalue; |
| value->resolution.yres = yresvalue; |
| } |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetState()' - Set the current state of the IPP message. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetState(ipp_t *ipp, /* I - IPP message */ |
| ipp_state_t state) /* I - IPP state value */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (0); |
| |
| /* |
| * Set the state and return... |
| */ |
| |
| ipp->state = state; |
| ipp->current = NULL; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetStatusCode()' - Set the status code in an IPP response or event message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetStatusCode(ipp_t *ipp, /* I - IPP response or event message */ |
| ipp_status_t status) /* I - Status code */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp) |
| return (0); |
| |
| /* |
| * Set the status code and return... |
| */ |
| |
| ipp->request.status.status_code = status; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetString()' - Set a string value in an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetString(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const char *strvalue) /* I - String value */ |
| { |
| char *temp; /* Temporary string */ |
| _ipp_value_t *value; /* Current value */ |
| ipp_tag_t value_tag; /* Value tag */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (attr && *attr) |
| value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK; |
| else |
| value_tag = IPP_TAG_ZERO; |
| |
| if (!ipp || !attr || !*attr || |
| (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && |
| value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || |
| element < 0 || element > (*attr)->num_values || !strvalue) |
| return (0); |
| |
| /* |
| * Set the value and return... |
| */ |
| |
| if ((value = ipp_set_value(ipp, attr, element)) != NULL) |
| { |
| if (element > 0) |
| value->string.language = (*attr)->values[0].string.language; |
| |
| if ((int)((*attr)->value_tag) & IPP_TAG_CUPS_CONST) |
| value->string.text = (char *)strvalue; |
| else if ((temp = _cupsStrAlloc(strvalue)) != NULL) |
| { |
| if (value->string.text) |
| _cupsStrFree(value->string.text); |
| |
| value->string.text = temp; |
| } |
| else |
| return (0); |
| } |
| |
| return (value != NULL); |
| } |
| |
| |
| /* |
| * 'ippSetStringf()' - Set a formatted string value of an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * The @code format@ parameter uses formatting characters compatible with the |
| * printf family of standard functions. Additional arguments follow it as |
| * needed. The formatted string is truncated as needed to the maximum length of |
| * the corresponding value type. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetStringf(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const char *format, /* I - Printf-style format string */ |
| ...) /* I - Additional arguments as needed */ |
| { |
| int ret; /* Return value */ |
| va_list ap; /* Pointer to additional arguments */ |
| |
| |
| va_start(ap, format); |
| ret = ippSetStringfv(ipp, attr, element, format, ap); |
| va_end(ap); |
| |
| return (ret); |
| } |
| |
| |
| /* |
| * 'ippSetStringf()' - Set a formatted string value of an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * The @code element@ parameter specifies which value to set from 0 to |
| * @code ippGetCount(attr)@. |
| * |
| * The @code format@ parameter uses formatting characters compatible with the |
| * printf family of standard functions. Additional arguments follow it as |
| * needed. The formatted string is truncated as needed to the maximum length of |
| * the corresponding value type. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetStringfv(ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element, /* I - Value number (0-based) */ |
| const char *format, /* I - Printf-style format string */ |
| va_list ap) /* I - Pointer to additional arguments */ |
| { |
| ipp_tag_t value_tag; /* Value tag */ |
| char buffer[IPP_MAX_TEXT + 4]; |
| /* Formatted text string */ |
| ssize_t bytes, /* Length of formatted value */ |
| max_bytes; /* Maximum number of bytes for value */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (attr && *attr) |
| value_tag = (*attr)->value_tag & IPP_TAG_CUPS_MASK; |
| else |
| value_tag = IPP_TAG_ZERO; |
| |
| if (!ipp || !attr || !*attr || |
| (value_tag < IPP_TAG_TEXT && value_tag != IPP_TAG_TEXTLANG && |
| value_tag != IPP_TAG_NAMELANG) || value_tag > IPP_TAG_MIMETYPE || |
| !format) |
| return (0); |
| |
| /* |
| * Format the string... |
| */ |
| |
| if (!strcmp(format, "%s")) |
| { |
| /* |
| * Optimize the simple case... |
| */ |
| |
| const char *s = va_arg(ap, char *); |
| |
| if (!s) |
| s = "(null)"; |
| |
| bytes = (ssize_t)strlen(s); |
| strlcpy(buffer, s, sizeof(buffer)); |
| } |
| else |
| { |
| /* |
| * Do a full formatting of the message... |
| */ |
| |
| if ((bytes = vsnprintf(buffer, sizeof(buffer), format, ap)) < 0) |
| return (0); |
| } |
| |
| /* |
| * Limit the length of the string... |
| */ |
| |
| switch (value_tag) |
| { |
| default : |
| case IPP_TAG_TEXT : |
| case IPP_TAG_TEXTLANG : |
| max_bytes = IPP_MAX_TEXT; |
| break; |
| |
| case IPP_TAG_NAME : |
| case IPP_TAG_NAMELANG : |
| max_bytes = IPP_MAX_NAME; |
| break; |
| |
| case IPP_TAG_CHARSET : |
| max_bytes = IPP_MAX_CHARSET; |
| break; |
| |
| case IPP_TAG_KEYWORD : |
| max_bytes = IPP_MAX_KEYWORD; |
| break; |
| |
| case IPP_TAG_LANGUAGE : |
| max_bytes = IPP_MAX_LANGUAGE; |
| break; |
| |
| case IPP_TAG_MIMETYPE : |
| max_bytes = IPP_MAX_MIMETYPE; |
| break; |
| |
| case IPP_TAG_URI : |
| max_bytes = IPP_MAX_URI; |
| break; |
| |
| case IPP_TAG_URISCHEME : |
| max_bytes = IPP_MAX_URISCHEME; |
| break; |
| } |
| |
| if (bytes >= max_bytes) |
| { |
| char *bufmax, /* Buffer at max_bytes */ |
| *bufptr; /* Pointer into buffer */ |
| |
| bufptr = buffer + strlen(buffer) - 1; |
| bufmax = buffer + max_bytes - 1; |
| |
| while (bufptr > bufmax) |
| { |
| if (*bufptr & 0x80) |
| { |
| while ((*bufptr & 0xc0) == 0x80 && bufptr > buffer) |
| bufptr --; |
| } |
| |
| bufptr --; |
| } |
| |
| *bufptr = '\0'; |
| } |
| |
| /* |
| * Set the formatted string and return... |
| */ |
| |
| return (ippSetString(ipp, attr, element, buffer)); |
| } |
| |
| |
| /* |
| * 'ippSetValueTag()' - Set the value tag of an attribute. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The @code attr@ parameter may be modified as a result of setting the value. |
| * |
| * Integer (@code IPP_TAG_INTEGER@) values can be promoted to rangeOfInteger |
| * (@code IPP_TAG_RANGE@) values, the various string tags can be promoted to name |
| * (@code IPP_TAG_NAME@) or nameWithLanguage (@code IPP_TAG_NAMELANG@) values, text |
| * (@code IPP_TAG_TEXT@) values can be promoted to textWithLanguage |
| * (@code IPP_TAG_TEXTLANG@) values, and all values can be demoted to the various |
| * out-of-band value tags such as no-value (@code IPP_TAG_NOVALUE@). All other changes |
| * will be rejected. |
| * |
| * Promoting a string attribute to nameWithLanguage or textWithLanguage adds the language |
| * code in the "attributes-natural-language" attribute or, if not present, the language |
| * code for the current locale. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetValueTag( |
| ipp_t *ipp, /* I - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| ipp_tag_t value_tag) /* I - Value tag */ |
| { |
| int i; /* Looping var */ |
| _ipp_value_t *value; /* Current value */ |
| int integer; /* Current integer value */ |
| cups_lang_t *language; /* Current language */ |
| char code[32]; /* Language code */ |
| ipp_tag_t temp_tag; /* Temporary value tag */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || !attr || !*attr) |
| return (0); |
| |
| /* |
| * If there is no change, return immediately... |
| */ |
| |
| if (value_tag == (*attr)->value_tag) |
| return (1); |
| |
| /* |
| * Otherwise implement changes as needed... |
| */ |
| |
| temp_tag = (ipp_tag_t)((int)((*attr)->value_tag) & IPP_TAG_CUPS_MASK); |
| |
| switch (value_tag) |
| { |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| /* |
| * Free any existing values... |
| */ |
| |
| if ((*attr)->num_values > 0) |
| ipp_free_values(*attr, 0, (*attr)->num_values); |
| |
| /* |
| * Set out-of-band value... |
| */ |
| |
| (*attr)->value_tag = value_tag; |
| break; |
| |
| case IPP_TAG_RANGE : |
| if (temp_tag != IPP_TAG_INTEGER) |
| return (0); |
| |
| for (i = (*attr)->num_values, value = (*attr)->values; |
| i > 0; |
| i --, value ++) |
| { |
| integer = value->integer; |
| value->range.lower = value->range.upper = integer; |
| } |
| |
| (*attr)->value_tag = IPP_TAG_RANGE; |
| break; |
| |
| case IPP_TAG_NAME : |
| if (temp_tag != IPP_TAG_KEYWORD && temp_tag != IPP_TAG_URI && |
| temp_tag != IPP_TAG_URISCHEME && temp_tag != IPP_TAG_LANGUAGE && |
| temp_tag != IPP_TAG_MIMETYPE) |
| return (0); |
| |
| (*attr)->value_tag = (ipp_tag_t)(IPP_TAG_NAME | ((*attr)->value_tag & IPP_TAG_CUPS_CONST)); |
| break; |
| |
| case IPP_TAG_NAMELANG : |
| case IPP_TAG_TEXTLANG : |
| if (value_tag == IPP_TAG_NAMELANG && |
| (temp_tag != IPP_TAG_NAME && temp_tag != IPP_TAG_KEYWORD && |
| temp_tag != IPP_TAG_URI && temp_tag != IPP_TAG_URISCHEME && |
| temp_tag != IPP_TAG_LANGUAGE && temp_tag != IPP_TAG_MIMETYPE)) |
| return (0); |
| |
| if (value_tag == IPP_TAG_TEXTLANG && temp_tag != IPP_TAG_TEXT) |
| return (0); |
| |
| if (ipp->attrs && ipp->attrs->next && ipp->attrs->next->name && |
| !strcmp(ipp->attrs->next->name, "attributes-natural-language")) |
| { |
| /* |
| * Use the language code from the IPP message... |
| */ |
| |
| (*attr)->values[0].string.language = |
| _cupsStrAlloc(ipp->attrs->next->values[0].string.text); |
| } |
| else |
| { |
| /* |
| * Otherwise, use the language code corresponding to the locale... |
| */ |
| |
| language = cupsLangDefault(); |
| (*attr)->values[0].string.language = _cupsStrAlloc(ipp_lang_code(language->language, |
| code, |
| sizeof(code))); |
| } |
| |
| for (i = (*attr)->num_values - 1, value = (*attr)->values + 1; |
| i > 0; |
| i --, value ++) |
| value->string.language = (*attr)->values[0].string.language; |
| |
| if ((int)(*attr)->value_tag & IPP_TAG_CUPS_CONST) |
| { |
| /* |
| * Make copies of all values... |
| */ |
| |
| for (i = (*attr)->num_values, value = (*attr)->values; |
| i > 0; |
| i --, value ++) |
| value->string.text = _cupsStrAlloc(value->string.text); |
| } |
| |
| (*attr)->value_tag = IPP_TAG_NAMELANG; |
| break; |
| |
| case IPP_TAG_KEYWORD : |
| if (temp_tag == IPP_TAG_NAME || temp_tag == IPP_TAG_NAMELANG) |
| break; /* Silently "allow" name -> keyword */ |
| |
| default : |
| return (0); |
| } |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippSetVersion()' - Set the version number in an IPP message. |
| * |
| * The @code ipp@ parameter refers to an IPP message previously created using |
| * the @link ippNew@, @link ippNewRequest@, or @link ippNewResponse@ functions. |
| * |
| * The valid version numbers are currently 1.0, 1.1, 2.0, 2.1, and 2.2. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| ippSetVersion(ipp_t *ipp, /* I - IPP message */ |
| int major, /* I - Major version number (major.minor) */ |
| int minor) /* I - Minor version number (major.minor) */ |
| { |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || major < 0 || minor < 0) |
| return (0); |
| |
| /* |
| * Set the version number... |
| */ |
| |
| ipp->request.any.version[0] = (ipp_uchar_t)major; |
| ipp->request.any.version[1] = (ipp_uchar_t)minor; |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippTimeToDate()' - Convert from time in seconds to RFC 2579 format. |
| */ |
| |
| const ipp_uchar_t * /* O - RFC-2579 date/time data */ |
| ippTimeToDate(time_t t) /* I - Time in seconds */ |
| { |
| struct tm *unixdate; /* UNIX unixdate/time info */ |
| ipp_uchar_t *date = _cupsGlobals()->ipp_date; |
| /* RFC-2579 date/time data */ |
| |
| |
| /* |
| * RFC-2579 date/time format is: |
| * |
| * Byte(s) Description |
| * ------- ----------- |
| * 0-1 Year (0 to 65535) |
| * 2 Month (1 to 12) |
| * 3 Day (1 to 31) |
| * 4 Hours (0 to 23) |
| * 5 Minutes (0 to 59) |
| * 6 Seconds (0 to 60, 60 = "leap second") |
| * 7 Deciseconds (0 to 9) |
| * 8 +/- UTC |
| * 9 UTC hours (0 to 11) |
| * 10 UTC minutes (0 to 59) |
| */ |
| |
| unixdate = gmtime(&t); |
| unixdate->tm_year += 1900; |
| |
| date[0] = (ipp_uchar_t)(unixdate->tm_year >> 8); |
| date[1] = (ipp_uchar_t)(unixdate->tm_year); |
| date[2] = (ipp_uchar_t)(unixdate->tm_mon + 1); |
| date[3] = (ipp_uchar_t)unixdate->tm_mday; |
| date[4] = (ipp_uchar_t)unixdate->tm_hour; |
| date[5] = (ipp_uchar_t)unixdate->tm_min; |
| date[6] = (ipp_uchar_t)unixdate->tm_sec; |
| date[7] = 0; |
| date[8] = '+'; |
| date[9] = 0; |
| date[10] = 0; |
| |
| return (date); |
| } |
| |
| |
| /* |
| * 'ippValidateAttribute()' - Validate the contents of an attribute. |
| * |
| * This function validates the contents of an attribute based on the name and |
| * value tag. 1 is returned if the attribute is valid, 0 otherwise. On |
| * failure, @link cupsLastErrorString@ is set to a human-readable message. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 if valid, 0 otherwise */ |
| ippValidateAttribute( |
| ipp_attribute_t *attr) /* I - Attribute */ |
| { |
| int i; /* Looping var */ |
| char scheme[64], /* Scheme from URI */ |
| userpass[256], /* Username/password from URI */ |
| hostname[256], /* Hostname from URI */ |
| resource[1024]; /* Resource from URI */ |
| int port, /* Port number from URI */ |
| uri_status; /* URI separation status */ |
| const char *ptr; /* Pointer into string */ |
| ipp_attribute_t *colattr; /* Collection attribute */ |
| regex_t re; /* Regular expression */ |
| ipp_uchar_t *date; /* Current date value */ |
| |
| |
| /* |
| * Skip separators. |
| */ |
| |
| if (!attr->name) |
| return (1); |
| |
| /* |
| * Validate the attribute name. |
| */ |
| |
| for (ptr = attr->name; *ptr; ptr ++) |
| if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && *ptr != '_') |
| break; |
| |
| if (*ptr || ptr == attr->name) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad attribute name - invalid character (RFC 8011 section 5.1.4)."), attr->name); |
| return (0); |
| } |
| |
| if ((ptr - attr->name) > 255) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad attribute name - bad length %d (RFC 8011 section 5.1.4)."), attr->name, (int)(ptr - attr->name)); |
| return (0); |
| } |
| |
| switch (attr->value_tag) |
| { |
| case IPP_TAG_INTEGER : |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (attr->values[i].boolean != 0 && |
| attr->values[i].boolean != 1) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad boolean value %d (RFC 8011 section 5.1.21)."), attr->name, attr->values[i].boolean); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_ENUM : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (attr->values[i].integer < 1) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad enum value %d - out of range (RFC 8011 section 5.1.5)."), attr->name, attr->values[i].integer); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_STRING : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (attr->values[i].unknown.length > IPP_MAX_OCTETSTRING) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad octetString value - bad length %d (RFC 8011 section 5.1.20)."), attr->name, attr->values[i].unknown.length); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_DATE : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| date = attr->values[i].date; |
| |
| if (date[2] < 1 || date[2] > 12) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime month %u (RFC 8011 section 5.1.15)."), attr->name, date[2]); |
| return (0); |
| } |
| |
| if (date[3] < 1 || date[3] > 31) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime day %u (RFC 8011 section 5.1.15)."), attr->name, date[3]); |
| return (0); |
| } |
| |
| if (date[4] > 23) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime hours %u (RFC 8011 section 5.1.15)."), attr->name, date[4]); |
| return (0); |
| } |
| |
| if (date[5] > 59) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime minutes %u (RFC 8011 section 5.1.15)."), attr->name, date[5]); |
| return (0); |
| } |
| |
| if (date[6] > 60) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime seconds %u (RFC 8011 section 5.1.15)."), attr->name, date[6]); |
| return (0); |
| } |
| |
| if (date[7] > 9) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime deciseconds %u (RFC 8011 section 5.1.15)."), attr->name, date[7]); |
| return (0); |
| } |
| |
| if (date[8] != '-' && date[8] != '+') |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC sign '%c' (RFC 8011 section 5.1.15)."), attr->name, date[8]); |
| return (0); |
| } |
| |
| if (date[9] > 11) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC hours %u (RFC 8011 section 5.1.15)."), attr->name, date[9]); |
| return (0); |
| } |
| |
| if (date[10] > 59) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad dateTime UTC minutes %u (RFC 8011 section 5.1.15)."), attr->name, date[10]); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_RESOLUTION : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (attr->values[i].resolution.xres <= 0) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - cross feed resolution must be positive (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| return (0); |
| } |
| |
| if (attr->values[i].resolution.yres <= 0) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - feed resolution must be positive (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| return (0); |
| } |
| |
| if (attr->values[i].resolution.units != IPP_RES_PER_INCH && attr->values[i].resolution.units != IPP_RES_PER_CM) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad resolution value %dx%d%s - bad units value (RFC 8011 section 5.1.16)."), attr->name, attr->values[i].resolution.xres, attr->values[i].resolution.yres, attr->values[i].resolution.units == IPP_RES_PER_INCH ? "dpi" : attr->values[i].resolution.units == IPP_RES_PER_CM ? "dpcm" : "unknown"); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_RANGE : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (attr->values[i].range.lower > attr->values[i].range.upper) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad rangeOfInteger value %d-%d - lower greater than upper (RFC 8011 section 5.1.14)."), attr->name, attr->values[i].range.lower, attr->values[i].range.upper); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| for (colattr = attr->values[i].collection->attrs; |
| colattr; |
| colattr = colattr->next) |
| { |
| if (!ippValidateAttribute(colattr)) |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_TEXTLANG : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| { |
| if ((*ptr & 0xe0) == 0xc0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if ((*ptr & 0xf0) == 0xe0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if ((*ptr & 0xf8) == 0xf0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if (*ptr & 0x80) |
| break; |
| else if ((*ptr < ' ' && *ptr != '\n' && *ptr != '\r' && *ptr != '\t') || *ptr == 0x7f) |
| break; |
| } |
| |
| if (*ptr) |
| { |
| if (*ptr < ' ' || *ptr == 0x7f) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad control character (PWG 5100.14 section 8.3)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| else |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad UTF-8 sequence (RFC 8011 section 5.1.2)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| } |
| |
| if ((ptr - attr->values[i].string.text) > (IPP_MAX_TEXT - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad text value \"%s\" - bad length %d (RFC 8011 section 5.1.2)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text)); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_NAME : |
| case IPP_TAG_NAMELANG : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| { |
| if ((*ptr & 0xe0) == 0xc0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if ((*ptr & 0xf0) == 0xe0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if ((*ptr & 0xf8) == 0xf0) |
| { |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| ptr ++; |
| if ((*ptr & 0xc0) != 0x80) |
| break; |
| } |
| else if (*ptr & 0x80) |
| break; |
| else if (*ptr < ' ' || *ptr == 0x7f) |
| break; |
| } |
| |
| if (*ptr) |
| { |
| if (*ptr < ' ' || *ptr == 0x7f) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad control character (PWG 5100.14 section 8.1)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| else |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad UTF-8 sequence (RFC 8011 section 5.1.3)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| } |
| |
| if ((ptr - attr->values[i].string.text) > (IPP_MAX_NAME - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad name value \"%s\" - bad length %d (RFC 8011 section 5.1.3)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text)); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_KEYWORD : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| { |
| if (!isalnum(*ptr & 255) && *ptr != '-' && *ptr != '.' && |
| *ptr != '_') |
| break; |
| } |
| |
| if (*ptr || ptr == attr->values[i].string.text) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad keyword value \"%s\" - invalid character (RFC 8011 section 5.1.4)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| |
| if ((ptr - attr->values[i].string.text) > (IPP_MAX_KEYWORD - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad keyword value \"%s\" - bad length %d (RFC 8011 section 5.1.4)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text)); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_URI : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| uri_status = httpSeparateURI(HTTP_URI_CODING_ALL, attr->values[i].string.text, scheme, sizeof(scheme), userpass, sizeof(userpass), hostname, sizeof(hostname), &port, resource, sizeof(resource)); |
| |
| if (uri_status < HTTP_URI_STATUS_OK) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad URI value \"%s\" - %s (RFC 8011 section 5.1.6)."), attr->name, attr->values[i].string.text, httpURIStatusString(uri_status)); |
| return (0); |
| } |
| |
| if (strlen(attr->values[i].string.text) > (IPP_MAX_URI - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad URI value \"%s\" - bad length %d (RFC 8011 section 5.1.6)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text)); |
| } |
| } |
| break; |
| |
| case IPP_TAG_URISCHEME : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| ptr = attr->values[i].string.text; |
| if (islower(*ptr & 255)) |
| { |
| for (ptr ++; *ptr; ptr ++) |
| { |
| if (!islower(*ptr & 255) && !isdigit(*ptr & 255) && |
| *ptr != '+' && *ptr != '-' && *ptr != '.') |
| break; |
| } |
| } |
| |
| if (*ptr || ptr == attr->values[i].string.text) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad uriScheme value \"%s\" - bad characters (RFC 8011 section 5.1.7)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| |
| if ((ptr - attr->values[i].string.text) > (IPP_MAX_URISCHEME - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad uriScheme value \"%s\" - bad length %d (RFC 8011 section 5.1.7)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text)); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_CHARSET : |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| for (ptr = attr->values[i].string.text; *ptr; ptr ++) |
| { |
| if (!isprint(*ptr & 255) || isupper(*ptr & 255) || |
| isspace(*ptr & 255)) |
| break; |
| } |
| |
| if (*ptr || ptr == attr->values[i].string.text) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad charset value \"%s\" - bad characters (RFC 8011 section 5.1.8)."), attr->name, attr->values[i].string.text); |
| return (0); |
| } |
| |
| if ((ptr - attr->values[i].string.text) > (IPP_MAX_CHARSET - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad charset value \"%s\" - bad length %d (RFC 8011 section 5.1.8)."), attr->name, attr->values[i].string.text, (int)(ptr - attr->values[i].string.text)); |
| return (0); |
| } |
| } |
| break; |
| |
| case IPP_TAG_LANGUAGE : |
| /* |
| * The following regular expression is derived from the ABNF for |
| * language tags in RFC 4646. All I can say is that this is the |
| * easiest way to check the values... |
| */ |
| |
| if ((i = regcomp(&re, |
| "^(" |
| "(([a-z]{2,3}(-[a-z][a-z][a-z]){0,3})|[a-z]{4,8})" |
| /* language */ |
| "(-[a-z][a-z][a-z][a-z]){0,1}" /* script */ |
| "(-([a-z][a-z]|[0-9][0-9][0-9])){0,1}" /* region */ |
| "(-([a-z]{5,8}|[0-9][0-9][0-9]))*" /* variant */ |
| "(-[a-wy-z](-[a-z0-9]{2,8})+)*" /* extension */ |
| "(-x(-[a-z0-9]{1,8})+)*" /* privateuse */ |
| "|" |
| "x(-[a-z0-9]{1,8})+" /* privateuse */ |
| "|" |
| "[a-z]{1,3}(-[a-z][0-9]{2,8}){1,2}" /* grandfathered */ |
| ")$", |
| REG_NOSUB | REG_EXTENDED)) != 0) |
| { |
| char temp[256]; /* Temporary error string */ |
| |
| regerror(i, &re, temp, sizeof(temp)); |
| ipp_set_error(IPP_STATUS_ERROR_INTERNAL, _("Unable to compile naturalLanguage regular expression: %s."), temp); |
| return (0); |
| } |
| |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad naturalLanguage value \"%s\" - bad characters (RFC 8011 section 5.1.9)."), attr->name, attr->values[i].string.text); |
| regfree(&re); |
| return (0); |
| } |
| |
| if (strlen(attr->values[i].string.text) > (IPP_MAX_LANGUAGE - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad naturalLanguage value \"%s\" - bad length %d (RFC 8011 section 5.1.9)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text)); |
| regfree(&re); |
| return (0); |
| } |
| } |
| |
| regfree(&re); |
| break; |
| |
| case IPP_TAG_MIMETYPE : |
| /* |
| * The following regular expression is derived from the ABNF for |
| * MIME media types in RFC 2045 and 4288. All I can say is that this is |
| * the easiest way to check the values... |
| */ |
| |
| if ((i = regcomp(&re, |
| "^" |
| "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* type-name */ |
| "/" |
| "[-a-zA-Z0-9!#$&.+^_]{1,127}" /* subtype-name */ |
| "(;[-a-zA-Z0-9!#$&.+^_]{1,127}=" /* parameter= */ |
| "([-a-zA-Z0-9!#$&.+^_]{1,127}|\"[^\"]*\"))*" |
| /* value */ |
| "$", |
| REG_NOSUB | REG_EXTENDED)) != 0) |
| { |
| char temp[256]; /* Temporary error string */ |
| |
| regerror(i, &re, temp, sizeof(temp)); |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("Unable to compile mimeMediaType regular expression: %s."), temp); |
| return (0); |
| } |
| |
| for (i = 0; i < attr->num_values; i ++) |
| { |
| if (regexec(&re, attr->values[i].string.text, 0, NULL, 0)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad mimeMediaType value \"%s\" - bad characters (RFC 8011 section 5.1.10)."), attr->name, attr->values[i].string.text); |
| regfree(&re); |
| return (0); |
| } |
| |
| if (strlen(attr->values[i].string.text) > (IPP_MAX_MIMETYPE - 1)) |
| { |
| ipp_set_error(IPP_STATUS_ERROR_BAD_REQUEST, _("\"%s\": Bad mimeMediaType value \"%s\" - bad length %d (RFC 8011 section 5.1.10)."), attr->name, attr->values[i].string.text, (int)strlen(attr->values[i].string.text)); |
| regfree(&re); |
| return (0); |
| } |
| } |
| |
| regfree(&re); |
| break; |
| |
| default : |
| break; |
| } |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippValidateAttributes()' - Validate all attributes in an IPP message. |
| * |
| * This function validates the contents of the IPP message, including each |
| * attribute. Like @link ippValidateAttribute@, @link cupsLastErrorString@ is |
| * set to a human-readable message on failure. |
| * |
| * @since CUPS 1.7/macOS 10.9@ |
| */ |
| |
| int /* O - 1 if valid, 0 otherwise */ |
| ippValidateAttributes(ipp_t *ipp) /* I - IPP message */ |
| { |
| ipp_attribute_t *attr; /* Current attribute */ |
| |
| |
| if (!ipp) |
| return (1); |
| |
| for (attr = ipp->attrs; attr; attr = attr->next) |
| if (!ippValidateAttribute(attr)) |
| return (0); |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'ippWrite()' - Write data for an IPP message to a HTTP connection. |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippWrite(http_t *http, /* I - HTTP connection */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| DEBUG_printf(("ippWrite(http=%p, ipp=%p)", (void *)http, (void *)ipp)); |
| |
| if (!http) |
| return (IPP_STATE_ERROR); |
| |
| return (ippWriteIO(http, (ipp_iocb_t)httpWrite2, http->blocking, NULL, ipp)); |
| } |
| |
| |
| /* |
| * 'ippWriteFile()' - Write data for an IPP message to a file. |
| * |
| * @since CUPS 1.1.19/macOS 10.3@ |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippWriteFile(int fd, /* I - HTTP data */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| DEBUG_printf(("ippWriteFile(fd=%d, ipp=%p)", fd, (void *)ipp)); |
| |
| ipp->state = IPP_STATE_IDLE; |
| |
| return (ippWriteIO(&fd, (ipp_iocb_t)ipp_write_file, 1, NULL, ipp)); |
| } |
| |
| |
| /* |
| * 'ippWriteIO()' - Write data for an IPP message. |
| * |
| * @since CUPS 1.2/macOS 10.5@ |
| */ |
| |
| ipp_state_t /* O - Current state */ |
| ippWriteIO(void *dst, /* I - Destination */ |
| ipp_iocb_t cb, /* I - Write callback function */ |
| int blocking, /* I - Use blocking IO? */ |
| ipp_t *parent, /* I - Parent IPP message */ |
| ipp_t *ipp) /* I - IPP data */ |
| { |
| int i; /* Looping var */ |
| int n; /* Length of data */ |
| unsigned char *buffer, /* Data buffer */ |
| *bufptr; /* Pointer into buffer */ |
| ipp_attribute_t *attr; /* Current attribute */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("ippWriteIO(dst=%p, cb=%p, blocking=%d, parent=%p, ipp=%p)", (void *)dst, (void *)cb, blocking, (void *)parent, (void *)ipp)); |
| |
| if (!dst || !ipp) |
| return (IPP_STATE_ERROR); |
| |
| if ((buffer = (unsigned char *)_cupsBufferGet(IPP_BUF_SIZE)) == NULL) |
| { |
| DEBUG_puts("1ippWriteIO: Unable to get write buffer"); |
| return (IPP_STATE_ERROR); |
| } |
| |
| switch (ipp->state) |
| { |
| case IPP_STATE_IDLE : |
| ipp->state ++; /* Avoid common problem... */ |
| |
| case IPP_STATE_HEADER : |
| if (parent == NULL) |
| { |
| /* |
| * Send the request header: |
| * |
| * Version = 2 bytes |
| * Operation/Status Code = 2 bytes |
| * Request ID = 4 bytes |
| * Total = 8 bytes |
| */ |
| |
| bufptr = buffer; |
| |
| *bufptr++ = ipp->request.any.version[0]; |
| *bufptr++ = ipp->request.any.version[1]; |
| *bufptr++ = (ipp_uchar_t)(ipp->request.any.op_status >> 8); |
| *bufptr++ = (ipp_uchar_t)ipp->request.any.op_status; |
| *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 24); |
| *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 16); |
| *bufptr++ = (ipp_uchar_t)(ipp->request.any.request_id >> 8); |
| *bufptr++ = (ipp_uchar_t)ipp->request.any.request_id; |
| |
| DEBUG_printf(("2ippWriteIO: version=%d.%d", buffer[0], buffer[1])); |
| DEBUG_printf(("2ippWriteIO: op_status=%04x", |
| ipp->request.any.op_status)); |
| DEBUG_printf(("2ippWriteIO: request_id=%d", |
| ipp->request.any.request_id)); |
| |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP header..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| |
| /* |
| * Reset the state engine to point to the first attribute |
| * in the request/response, with no current group. |
| */ |
| |
| ipp->state = IPP_STATE_ATTRIBUTE; |
| ipp->current = ipp->attrs; |
| ipp->curtag = IPP_TAG_ZERO; |
| |
| DEBUG_printf(("1ippWriteIO: ipp->current=%p", (void *)ipp->current)); |
| |
| /* |
| * If blocking is disabled, stop here... |
| */ |
| |
| if (!blocking) |
| break; |
| |
| case IPP_STATE_ATTRIBUTE : |
| while (ipp->current != NULL) |
| { |
| /* |
| * Write this attribute... |
| */ |
| |
| bufptr = buffer; |
| attr = ipp->current; |
| |
| ipp->current = ipp->current->next; |
| |
| if (!parent) |
| { |
| if (ipp->curtag != attr->group_tag) |
| { |
| /* |
| * Send a group tag byte... |
| */ |
| |
| ipp->curtag = attr->group_tag; |
| |
| if (attr->group_tag == IPP_TAG_ZERO) |
| continue; |
| |
| DEBUG_printf(("2ippWriteIO: wrote group tag=%x(%s)", |
| attr->group_tag, ippTagString(attr->group_tag))); |
| *bufptr++ = (ipp_uchar_t)attr->group_tag; |
| } |
| else if (attr->group_tag == IPP_TAG_ZERO) |
| continue; |
| } |
| |
| DEBUG_printf(("1ippWriteIO: %s (%s%s)", attr->name, |
| attr->num_values > 1 ? "1setOf " : "", |
| ippTagString(attr->value_tag))); |
| |
| /* |
| * Write the attribute tag and name. |
| * |
| * The attribute name length does not include the trailing nul |
| * character in the source string. |
| * |
| * Collection values (parent != NULL) are written differently... |
| */ |
| |
| if (parent == NULL) |
| { |
| /* |
| * Get the length of the attribute name, and make sure it won't |
| * overflow the buffer... |
| */ |
| |
| if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 8)) |
| { |
| DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| /* |
| * Write the value tag, name length, and name string... |
| */ |
| |
| DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| attr->value_tag, ippTagString(attr->value_tag))); |
| DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, |
| attr->name)); |
| |
| if (attr->value_tag > 0xff) |
| { |
| *bufptr++ = IPP_TAG_EXTENSION; |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| } |
| else |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| memcpy(bufptr, attr->name, (size_t)n); |
| bufptr += n; |
| } |
| else |
| { |
| /* |
| * Get the length of the attribute name, and make sure it won't |
| * overflow the buffer... |
| */ |
| |
| if ((n = (int)strlen(attr->name)) > (IPP_BUF_SIZE - 12)) |
| { |
| DEBUG_printf(("1ippWriteIO: Attribute name too long (%d)", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| /* |
| * Write the member name tag, name length, name string, value tag, |
| * and empty name for the collection member attribute... |
| */ |
| |
| DEBUG_printf(("2ippWriteIO: writing value tag=%x(memberName)", |
| IPP_TAG_MEMBERNAME)); |
| DEBUG_printf(("2ippWriteIO: writing name=%d,\"%s\"", n, |
| attr->name)); |
| DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| attr->value_tag, ippTagString(attr->value_tag))); |
| DEBUG_puts("2ippWriteIO: writing name=0,\"\""); |
| |
| *bufptr++ = IPP_TAG_MEMBERNAME; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| memcpy(bufptr, attr->name, (size_t)n); |
| bufptr += n; |
| |
| if (attr->value_tag > 0xff) |
| { |
| *bufptr++ = IPP_TAG_EXTENSION; |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 24); |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 16); |
| *bufptr++ = (ipp_uchar_t)(attr->value_tag >> 8); |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| } |
| else |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Now write the attribute value(s)... |
| */ |
| |
| switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) |
| { |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| break; |
| |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 9) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Integers and enumerations are both 4-byte signed |
| * (twos-complement) values. |
| * |
| * Put the 2-byte length and 4-byte value into the buffer... |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 4; |
| *bufptr++ = (ipp_uchar_t)(value->integer >> 24); |
| *bufptr++ = (ipp_uchar_t)(value->integer >> 16); |
| *bufptr++ = (ipp_uchar_t)(value->integer >> 8); |
| *bufptr++ = (ipp_uchar_t)value->integer; |
| } |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 6) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Boolean values are 1-byte; 0 = false, 1 = true. |
| * |
| * Put the 2-byte length and 1-byte value into the buffer... |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 1; |
| *bufptr++ = (ipp_uchar_t)value->boolean; |
| } |
| break; |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_NAME : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_MIMETYPE : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| DEBUG_printf(("2ippWriteIO: writing value tag=%x(%s)", |
| attr->value_tag, |
| ippTagString(attr->value_tag))); |
| DEBUG_printf(("2ippWriteIO: writing name=0,\"\"")); |
| |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| if (value->string.text != NULL) |
| n = (int)strlen(value->string.text); |
| else |
| n = 0; |
| |
| if (n > (IPP_BUF_SIZE - 2)) |
| { |
| DEBUG_printf(("1ippWriteIO: String too long (%d)", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippWriteIO: writing string=%d,\"%s\"", n, |
| value->string.text)); |
| |
| if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| /* |
| * All simple strings consist of the 2-byte length and |
| * character data without the trailing nul normally found |
| * in C strings. Also, strings cannot be longer than IPP_MAX_LENGTH |
| * bytes since the 2-byte length is a signed (twos-complement) |
| * value. |
| * |
| * Put the 2-byte length and string characters in the buffer. |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| |
| if (n > 0) |
| { |
| memcpy(bufptr, value->string.text, (size_t)n); |
| bufptr += n; |
| } |
| } |
| break; |
| |
| case IPP_TAG_DATE : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 16) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Date values consist of a 2-byte length and an |
| * 11-byte date/time structure defined by RFC 1903. |
| * |
| * Put the 2-byte length and 11-byte date/time |
| * structure in the buffer. |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 11; |
| memcpy(bufptr, value->date, 11); |
| bufptr += 11; |
| } |
| break; |
| |
| case IPP_TAG_RESOLUTION : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 14) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Resolution values consist of a 2-byte length, |
| * 4-byte horizontal resolution value, 4-byte vertical |
| * resolution value, and a 1-byte units value. |
| * |
| * Put the 2-byte length and resolution value data |
| * into the buffer. |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 9; |
| *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 24); |
| *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 16); |
| *bufptr++ = (ipp_uchar_t)(value->resolution.xres >> 8); |
| *bufptr++ = (ipp_uchar_t)value->resolution.xres; |
| *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 24); |
| *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 16); |
| *bufptr++ = (ipp_uchar_t)(value->resolution.yres >> 8); |
| *bufptr++ = (ipp_uchar_t)value->resolution.yres; |
| *bufptr++ = (ipp_uchar_t)value->resolution.units; |
| } |
| break; |
| |
| case IPP_TAG_RANGE : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 13) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Range values consist of a 2-byte length, |
| * 4-byte lower value, and 4-byte upper value. |
| * |
| * Put the 2-byte length and range value data |
| * into the buffer. |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 8; |
| *bufptr++ = (ipp_uchar_t)(value->range.lower >> 24); |
| *bufptr++ = (ipp_uchar_t)(value->range.lower >> 16); |
| *bufptr++ = (ipp_uchar_t)(value->range.lower >> 8); |
| *bufptr++ = (ipp_uchar_t)value->range.lower; |
| *bufptr++ = (ipp_uchar_t)(value->range.upper >> 24); |
| *bufptr++ = (ipp_uchar_t)(value->range.upper >> 16); |
| *bufptr++ = (ipp_uchar_t)(value->range.upper >> 8); |
| *bufptr++ = (ipp_uchar_t)value->range.upper; |
| } |
| break; |
| |
| case IPP_TAG_TEXTLANG : |
| case IPP_TAG_NAMELANG : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * textWithLanguage and nameWithLanguage values consist |
| * of a 2-byte length for both strings and their |
| * individual lengths, a 2-byte length for the |
| * character string, the character string without the |
| * trailing nul, a 2-byte length for the character |
| * set string, and the character set string without |
| * the trailing nul. |
| */ |
| |
| n = 4; |
| |
| if (value->string.language != NULL) |
| n += (int)strlen(value->string.language); |
| |
| if (value->string.text != NULL) |
| n += (int)strlen(value->string.text); |
| |
| if (n > (IPP_BUF_SIZE - 2)) |
| { |
| DEBUG_printf(("1ippWriteIO: text/nameWithLanguage value " |
| "too long (%d)", n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| /* Length of entire value */ |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| |
| /* Length of language */ |
| if (value->string.language != NULL) |
| n = (int)strlen(value->string.language); |
| else |
| n = 0; |
| |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| |
| /* Language */ |
| if (n > 0) |
| { |
| memcpy(bufptr, value->string.language, (size_t)n); |
| bufptr += n; |
| } |
| |
| /* Length of text */ |
| if (value->string.text != NULL) |
| n = (int)strlen(value->string.text); |
| else |
| n = 0; |
| |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| |
| /* Text */ |
| if (n > 0) |
| { |
| memcpy(bufptr, value->string.text, (size_t)n); |
| bufptr += n; |
| } |
| } |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| /* |
| * Collections are written with the begin-collection |
| * tag first with a value of 0 length, followed by the |
| * attributes in the collection, then the end-collection |
| * value... |
| */ |
| |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 5) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * Write a data length of 0 and flush the buffer... |
| */ |
| |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| |
| /* |
| * Then write the collection attribute... |
| */ |
| |
| value->collection->state = IPP_STATE_IDLE; |
| |
| if (ippWriteIO(dst, cb, 1, ipp, |
| value->collection) == IPP_STATE_ERROR) |
| { |
| DEBUG_puts("1ippWriteIO: Unable to write collection value"); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| } |
| break; |
| |
| default : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if (i) |
| { |
| /* |
| * Arrays and sets are done by sending additional |
| * values with a zero-length name... |
| */ |
| |
| if ((IPP_BUF_SIZE - (bufptr - buffer)) < 3) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| *bufptr++ = (ipp_uchar_t)attr->value_tag; |
| *bufptr++ = 0; |
| *bufptr++ = 0; |
| } |
| |
| /* |
| * An unknown value might some new value that a |
| * vendor has come up with. It consists of a |
| * 2-byte length and the bytes in the unknown |
| * value buffer. |
| */ |
| |
| n = value->unknown.length; |
| |
| if (n > (IPP_BUF_SIZE - 2)) |
| { |
| DEBUG_printf(("1ippWriteIO: Data length too long (%d)", |
| n)); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| if ((int)(IPP_BUF_SIZE - (bufptr - buffer)) < (n + 2)) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP " |
| "attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| bufptr = buffer; |
| } |
| |
| /* Length of unknown value */ |
| *bufptr++ = (ipp_uchar_t)(n >> 8); |
| *bufptr++ = (ipp_uchar_t)n; |
| |
| /* Value */ |
| if (n > 0) |
| { |
| memcpy(bufptr, value->unknown.data, (size_t)n); |
| bufptr += n; |
| } |
| } |
| break; |
| } |
| |
| /* |
| * Write the data out... |
| */ |
| |
| if (bufptr > buffer) |
| { |
| if ((*cb)(dst, buffer, (size_t)(bufptr - buffer)) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP attribute..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| DEBUG_printf(("2ippWriteIO: wrote %d bytes", |
| (int)(bufptr - buffer))); |
| } |
| |
| /* |
| * If blocking is disabled and we aren't at the end of the attribute |
| * list, stop here... |
| */ |
| |
| if (!blocking && ipp->current) |
| break; |
| } |
| |
| if (ipp->current == NULL) |
| { |
| /* |
| * Done with all of the attributes; add the end-of-attributes |
| * tag or end-collection attribute... |
| */ |
| |
| if (parent == NULL) |
| { |
| buffer[0] = IPP_TAG_END; |
| n = 1; |
| } |
| else |
| { |
| buffer[0] = IPP_TAG_END_COLLECTION; |
| buffer[1] = 0; /* empty name */ |
| buffer[2] = 0; |
| buffer[3] = 0; /* empty value */ |
| buffer[4] = 0; |
| n = 5; |
| } |
| |
| if ((*cb)(dst, buffer, (size_t)n) < 0) |
| { |
| DEBUG_puts("1ippWriteIO: Could not write IPP end-tag..."); |
| _cupsBufferRelease((char *)buffer); |
| return (IPP_STATE_ERROR); |
| } |
| |
| ipp->state = IPP_STATE_DATA; |
| } |
| break; |
| |
| case IPP_STATE_DATA : |
| break; |
| |
| default : |
| break; /* anti-compiler-warning-code */ |
| } |
| |
| _cupsBufferRelease((char *)buffer); |
| |
| return (ipp->state); |
| } |
| |
| |
| /* |
| * 'ipp_add_attr()' - Add a new attribute to the message. |
| */ |
| |
| static ipp_attribute_t * /* O - New attribute */ |
| ipp_add_attr(ipp_t *ipp, /* I - IPP message */ |
| const char *name, /* I - Attribute name or NULL */ |
| ipp_tag_t group_tag, /* I - Group tag or IPP_TAG_ZERO */ |
| ipp_tag_t value_tag, /* I - Value tag or IPP_TAG_ZERO */ |
| int num_values) /* I - Number of values */ |
| { |
| int alloc_values; /* Number of values to allocate */ |
| ipp_attribute_t *attr; /* New attribute */ |
| |
| |
| DEBUG_printf(("4ipp_add_attr(ipp=%p, name=\"%s\", group_tag=0x%x, value_tag=0x%x, num_values=%d)", (void *)ipp, name, group_tag, value_tag, num_values)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!ipp || num_values < 0) |
| return (NULL); |
| |
| /* |
| * Allocate memory, rounding the allocation up as needed... |
| */ |
| |
| if (num_values <= 1) |
| alloc_values = 1; |
| else |
| alloc_values = (num_values + IPP_MAX_VALUES - 1) & ~(IPP_MAX_VALUES - 1); |
| |
| attr = calloc(sizeof(ipp_attribute_t) + |
| (size_t)(alloc_values - 1) * sizeof(_ipp_value_t), 1); |
| |
| if (attr) |
| { |
| /* |
| * Initialize attribute... |
| */ |
| |
| DEBUG_printf(("4debug_alloc: %p %s %s%s (%d values)", (void *)attr, name, num_values > 1 ? "1setOf " : "", ippTagString(value_tag), num_values)); |
| |
| if (name) |
| attr->name = _cupsStrAlloc(name); |
| |
| attr->group_tag = group_tag; |
| attr->value_tag = value_tag; |
| attr->num_values = num_values; |
| |
| /* |
| * Add it to the end of the linked list... |
| */ |
| |
| if (ipp->last) |
| ipp->last->next = attr; |
| else |
| ipp->attrs = attr; |
| |
| ipp->prev = ipp->last; |
| ipp->last = ipp->current = attr; |
| } |
| |
| DEBUG_printf(("5ipp_add_attr: Returning %p", (void *)attr)); |
| |
| return (attr); |
| } |
| |
| |
| /* |
| * 'ipp_free_values()' - Free attribute values. |
| */ |
| |
| static void |
| ipp_free_values(ipp_attribute_t *attr, /* I - Attribute to free values from */ |
| int element,/* I - First value to free */ |
| int count) /* I - Number of values to free */ |
| { |
| int i; /* Looping var */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("4ipp_free_values(attr=%p, element=%d, count=%d)", (void *)attr, element, count)); |
| |
| if (!(attr->value_tag & IPP_TAG_CUPS_CONST)) |
| { |
| /* |
| * Free values as needed... |
| */ |
| |
| switch (attr->value_tag) |
| { |
| case IPP_TAG_TEXTLANG : |
| case IPP_TAG_NAMELANG : |
| if (element == 0 && count == attr->num_values && |
| attr->values[0].string.language) |
| { |
| _cupsStrFree(attr->values[0].string.language); |
| attr->values[0].string.language = NULL; |
| } |
| /* Fall through to other string values */ |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_NAME : |
| case IPP_TAG_RESERVED_STRING : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_MIMETYPE : |
| for (i = count, value = attr->values + element; |
| i > 0; |
| i --, value ++) |
| { |
| _cupsStrFree(value->string.text); |
| value->string.text = NULL; |
| } |
| break; |
| |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| case IPP_TAG_BOOLEAN : |
| case IPP_TAG_DATE : |
| case IPP_TAG_RESOLUTION : |
| case IPP_TAG_RANGE : |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| for (i = count, value = attr->values + element; |
| i > 0; |
| i --, value ++) |
| { |
| ippDelete(value->collection); |
| value->collection = NULL; |
| } |
| break; |
| |
| case IPP_TAG_STRING : |
| default : |
| for (i = count, value = attr->values + element; |
| i > 0; |
| i --, value ++) |
| { |
| if (value->unknown.data) |
| { |
| free(value->unknown.data); |
| value->unknown.data = NULL; |
| } |
| } |
| break; |
| } |
| } |
| |
| /* |
| * If we are not freeing values from the end, move the remaining values up... |
| */ |
| |
| if ((element + count) < attr->num_values) |
| memmove(attr->values + element, attr->values + element + count, |
| (size_t)(attr->num_values - count - element) * sizeof(_ipp_value_t)); |
| |
| attr->num_values -= count; |
| } |
| |
| |
| /* |
| * 'ipp_get_code()' - Convert a C locale/charset name into an IPP language/charset code. |
| * |
| * This typically converts strings of the form "ll_CC", "ll-REGION", and "CHARSET_NUMBER" |
| * to "ll-cc", "ll-region", and "charset-number", respectively. |
| */ |
| |
| static char * /* O - Language code string */ |
| ipp_get_code(const char *value, /* I - Locale/charset string */ |
| char *buffer, /* I - String buffer */ |
| size_t bufsize) /* I - Size of string buffer */ |
| { |
| char *bufptr, /* Pointer into buffer */ |
| *bufend; /* End of buffer */ |
| |
| |
| /* |
| * Convert values to lowercase and change _ to - as needed... |
| */ |
| |
| for (bufptr = buffer, bufend = buffer + bufsize - 1; |
| *value && bufptr < bufend; |
| value ++) |
| if (*value == '_') |
| *bufptr++ = '-'; |
| else |
| *bufptr++ = (char)_cups_tolower(*value); |
| |
| *bufptr = '\0'; |
| |
| /* |
| * Return the converted string... |
| */ |
| |
| return (buffer); |
| } |
| |
| |
| /* |
| * 'ipp_lang_code()' - Convert a C locale name into an IPP language code. |
| * |
| * This typically converts strings of the form "ll_CC" and "ll-REGION" to "ll-cc" and |
| * "ll-region", respectively. It also converts the "C" (POSIX) locale to "en". |
| */ |
| |
| static char * /* O - Language code string */ |
| ipp_lang_code(const char *locale, /* I - Locale string */ |
| char *buffer, /* I - String buffer */ |
| size_t bufsize) /* I - Size of string buffer */ |
| { |
| /* |
| * Map POSIX ("C") locale to generic English, otherwise convert the locale string as-is. |
| */ |
| |
| if (!_cups_strcasecmp(locale, "c")) |
| { |
| strlcpy(buffer, "en", bufsize); |
| return (buffer); |
| } |
| else |
| return (ipp_get_code(locale, buffer, bufsize)); |
| } |
| |
| |
| /* |
| * 'ipp_length()' - Compute the length of an IPP message or collection value. |
| */ |
| |
| static size_t /* O - Size of IPP message */ |
| ipp_length(ipp_t *ipp, /* I - IPP message or collection */ |
| int collection) /* I - 1 if a collection, 0 otherwise */ |
| { |
| int i; /* Looping var */ |
| size_t bytes; /* Number of bytes */ |
| ipp_attribute_t *attr; /* Current attribute */ |
| ipp_tag_t group; /* Current group */ |
| _ipp_value_t *value; /* Current value */ |
| |
| |
| DEBUG_printf(("3ipp_length(ipp=%p, collection=%d)", (void *)ipp, collection)); |
| |
| if (!ipp) |
| { |
| DEBUG_puts("4ipp_length: Returning 0 bytes"); |
| return (0); |
| } |
| |
| /* |
| * Start with 8 bytes for the IPP message header... |
| */ |
| |
| bytes = collection ? 0 : 8; |
| |
| /* |
| * Then add the lengths of each attribute... |
| */ |
| |
| group = IPP_TAG_ZERO; |
| |
| for (attr = ipp->attrs; attr != NULL; attr = attr->next) |
| { |
| if (attr->group_tag != group && !collection) |
| { |
| group = attr->group_tag; |
| if (group == IPP_TAG_ZERO) |
| continue; |
| |
| bytes ++; /* Group tag */ |
| } |
| |
| if (!attr->name) |
| continue; |
| |
| DEBUG_printf(("5ipp_length: attr->name=\"%s\", attr->num_values=%d, " |
| "bytes=" CUPS_LLFMT, attr->name, attr->num_values, CUPS_LLCAST bytes)); |
| |
| if ((attr->value_tag & ~IPP_TAG_CUPS_CONST) < IPP_TAG_EXTENSION) |
| bytes += (size_t)attr->num_values;/* Value tag for each value */ |
| else |
| bytes += (size_t)(5 * attr->num_values); |
| /* Value tag for each value */ |
| bytes += (size_t)(2 * attr->num_values); |
| /* Name lengths */ |
| bytes += strlen(attr->name); /* Name */ |
| bytes += (size_t)(2 * attr->num_values); |
| /* Value lengths */ |
| |
| if (collection) |
| bytes += 5; /* Add membername overhead */ |
| |
| switch (attr->value_tag & ~IPP_TAG_CUPS_CONST) |
| { |
| case IPP_TAG_UNSUPPORTED_VALUE : |
| case IPP_TAG_DEFAULT : |
| case IPP_TAG_UNKNOWN : |
| case IPP_TAG_NOVALUE : |
| case IPP_TAG_NOTSETTABLE : |
| case IPP_TAG_DELETEATTR : |
| case IPP_TAG_ADMINDEFINE : |
| break; |
| |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| bytes += (size_t)(4 * attr->num_values); |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| bytes += (size_t)attr->num_values; |
| break; |
| |
| case IPP_TAG_TEXT : |
| case IPP_TAG_NAME : |
| case IPP_TAG_KEYWORD : |
| case IPP_TAG_URI : |
| case IPP_TAG_URISCHEME : |
| case IPP_TAG_CHARSET : |
| case IPP_TAG_LANGUAGE : |
| case IPP_TAG_MIMETYPE : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| if (value->string.text) |
| bytes += strlen(value->string.text); |
| break; |
| |
| case IPP_TAG_DATE : |
| bytes += (size_t)(11 * attr->num_values); |
| break; |
| |
| case IPP_TAG_RESOLUTION : |
| bytes += (size_t)(9 * attr->num_values); |
| break; |
| |
| case IPP_TAG_RANGE : |
| bytes += (size_t)(8 * attr->num_values); |
| break; |
| |
| case IPP_TAG_TEXTLANG : |
| case IPP_TAG_NAMELANG : |
| bytes += (size_t)(4 * attr->num_values); |
| /* Charset + text length */ |
| |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| { |
| if (value->string.language) |
| bytes += strlen(value->string.language); |
| |
| if (value->string.text) |
| bytes += strlen(value->string.text); |
| } |
| break; |
| |
| case IPP_TAG_BEGIN_COLLECTION : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| bytes += ipp_length(value->collection, 1); |
| break; |
| |
| default : |
| for (i = 0, value = attr->values; |
| i < attr->num_values; |
| i ++, value ++) |
| bytes += (size_t)value->unknown.length; |
| break; |
| } |
| } |
| |
| /* |
| * Finally, add 1 byte for the "end of attributes" tag or 5 bytes |
| * for the "end of collection" tag and return... |
| */ |
| |
| if (collection) |
| bytes += 5; |
| else |
| bytes ++; |
| |
| DEBUG_printf(("4ipp_length: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST bytes)); |
| |
| return (bytes); |
| } |
| |
| |
| /* |
| * 'ipp_read_http()' - Semi-blocking read on a HTTP connection... |
| */ |
| |
| static ssize_t /* O - Number of bytes read */ |
| ipp_read_http(http_t *http, /* I - Client connection */ |
| ipp_uchar_t *buffer, /* O - Buffer for data */ |
| size_t length) /* I - Total length */ |
| { |
| ssize_t tbytes, /* Total bytes read */ |
| bytes; /* Bytes read this pass */ |
| |
| |
| DEBUG_printf(("7ipp_read_http(http=%p, buffer=%p, length=%d)", (void *)http, (void *)buffer, (int)length)); |
| |
| /* |
| * Loop until all bytes are read... |
| */ |
| |
| for (tbytes = 0, bytes = 0; |
| tbytes < (int)length; |
| tbytes += bytes, buffer += bytes) |
| { |
| DEBUG_printf(("9ipp_read_http: tbytes=" CUPS_LLFMT ", http->state=%d", CUPS_LLCAST tbytes, http->state)); |
| |
| if (http->state == HTTP_STATE_WAITING) |
| break; |
| |
| if (http->used == 0 && !http->blocking) |
| { |
| /* |
| * Wait up to 10 seconds for more data on non-blocking sockets... |
| */ |
| |
| if (!httpWait(http, 10000)) |
| { |
| /* |
| * Signal no data... |
| */ |
| |
| bytes = -1; |
| break; |
| } |
| } |
| else if (http->used == 0 && http->timeout_value > 0) |
| { |
| /* |
| * Wait up to timeout seconds for more data on blocking sockets... |
| */ |
| |
| if (!httpWait(http, (int)(1000 * http->timeout_value))) |
| { |
| /* |
| * Signal no data... |
| */ |
| |
| bytes = -1; |
| break; |
| } |
| } |
| |
| if ((bytes = httpRead2(http, (char *)buffer, length - (size_t)tbytes)) < 0) |
| { |
| #ifdef WIN32 |
| break; |
| #else |
| if (errno != EAGAIN && errno != EINTR) |
| break; |
| |
| bytes = 0; |
| #endif /* WIN32 */ |
| } |
| else if (bytes == 0) |
| break; |
| } |
| |
| /* |
| * Return the number of bytes read... |
| */ |
| |
| if (tbytes == 0 && bytes < 0) |
| tbytes = -1; |
| |
| DEBUG_printf(("8ipp_read_http: Returning " CUPS_LLFMT " bytes", CUPS_LLCAST tbytes)); |
| |
| return (tbytes); |
| } |
| |
| |
| /* |
| * 'ipp_read_file()' - Read IPP data from a file. |
| */ |
| |
| static ssize_t /* O - Number of bytes read */ |
| ipp_read_file(int *fd, /* I - File descriptor */ |
| ipp_uchar_t *buffer, /* O - Read buffer */ |
| size_t length) /* I - Number of bytes to read */ |
| { |
| #ifdef WIN32 |
| return ((ssize_t)read(*fd, buffer, (unsigned)length)); |
| #else |
| return (read(*fd, buffer, length)); |
| #endif /* WIN32 */ |
| } |
| |
| |
| /* |
| * 'ipp_set_error()' - Set a formatted, localized error string. |
| */ |
| |
| static void |
| ipp_set_error(ipp_status_t status, /* I - Status code */ |
| const char *format, /* I - Printf-style error string */ |
| ...) /* I - Additional arguments as needed */ |
| { |
| va_list ap; /* Pointer to additional args */ |
| char buffer[2048]; /* Message buffer */ |
| cups_lang_t *lang = cupsLangDefault(); |
| /* Current language */ |
| |
| |
| va_start(ap, format); |
| vsnprintf(buffer, sizeof(buffer), _cupsLangString(lang, format), ap); |
| va_end(ap); |
| |
| _cupsSetError(status, buffer, 0); |
| } |
| |
| |
| /* |
| * 'ipp_set_value()' - Get the value element from an attribute, expanding it as |
| * needed. |
| */ |
| |
| static _ipp_value_t * /* O - IPP value element or NULL on error */ |
| ipp_set_value(ipp_t *ipp, /* IO - IPP message */ |
| ipp_attribute_t **attr, /* IO - IPP attribute */ |
| int element) /* I - Value number (0-based) */ |
| { |
| ipp_attribute_t *temp, /* New attribute pointer */ |
| *current, /* Current attribute in list */ |
| *prev; /* Previous attribute in list */ |
| int alloc_values; /* Allocated values */ |
| |
| |
| /* |
| * If we are setting an existing value element, return it... |
| */ |
| |
| temp = *attr; |
| |
| if (temp->num_values <= 1) |
| alloc_values = 1; |
| else |
| alloc_values = (temp->num_values + IPP_MAX_VALUES - 1) & |
| ~(IPP_MAX_VALUES - 1); |
| |
| if (element < alloc_values) |
| { |
| if (element >= temp->num_values) |
| temp->num_values = element + 1; |
| |
| return (temp->values + element); |
| } |
| |
| /* |
| * Otherwise re-allocate the attribute - we allocate in groups of IPP_MAX_VALUE |
| * values when num_values > 1. |
| */ |
| |
| if (alloc_values < IPP_MAX_VALUES) |
| alloc_values = IPP_MAX_VALUES; |
| else |
| alloc_values += IPP_MAX_VALUES; |
| |
| DEBUG_printf(("4ipp_set_value: Reallocating for up to %d values.", |
| alloc_values)); |
| |
| /* |
| * Reallocate memory... |
| */ |
| |
| if ((temp = realloc(temp, sizeof(ipp_attribute_t) + (size_t)(alloc_values - 1) * sizeof(_ipp_value_t))) == NULL) |
| { |
| _cupsSetHTTPError(HTTP_STATUS_ERROR); |
| DEBUG_puts("4ipp_set_value: Unable to resize attribute."); |
| return (NULL); |
| } |
| |
| /* |
| * Zero the new memory... |
| */ |
| |
| memset(temp->values + temp->num_values, 0, (size_t)(alloc_values - temp->num_values) * sizeof(_ipp_value_t)); |
| |
| if (temp != *attr) |
| { |
| /* |
| * Reset pointers in the list... |
| */ |
| |
| DEBUG_printf(("4debug_free: %p %s", (void *)*attr, temp->name)); |
| DEBUG_printf(("4debug_alloc: %p %s %s%s (%d)", (void *)temp, temp->name, temp->num_values > 1 ? "1setOf " : "", ippTagString(temp->value_tag), temp->num_values)); |
| |
| if (ipp->current == *attr && ipp->prev) |
| { |
| /* |
| * Use current "previous" pointer... |
| */ |
| |
| prev = ipp->prev; |
| } |
| else |
| { |
| /* |
| * Find this attribute in the linked list... |
| */ |
| |
| for (prev = NULL, current = ipp->attrs; |
| current && current != *attr; |
| prev = current, current = current->next); |
| |
| if (!current) |
| { |
| /* |
| * This is a serious error! |
| */ |
| |
| *attr = temp; |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, |
| _("IPP attribute is not a member of the message."), 1); |
| DEBUG_puts("4ipp_set_value: Unable to find attribute in message."); |
| return (NULL); |
| } |
| } |
| |
| if (prev) |
| prev->next = temp; |
| else |
| ipp->attrs = temp; |
| |
| ipp->current = temp; |
| ipp->prev = prev; |
| |
| if (ipp->last == *attr) |
| ipp->last = temp; |
| |
| *attr = temp; |
| } |
| |
| /* |
| * Return the value element... |
| */ |
| |
| if (element >= temp->num_values) |
| temp->num_values = element + 1; |
| |
| return (temp->values + element); |
| } |
| |
| |
| /* |
| * 'ipp_write_file()' - Write IPP data to a file. |
| */ |
| |
| static ssize_t /* O - Number of bytes written */ |
| ipp_write_file(int *fd, /* I - File descriptor */ |
| ipp_uchar_t *buffer, /* I - Data to write */ |
| size_t length) /* I - Number of bytes to write */ |
| { |
| #ifdef WIN32 |
| return ((ssize_t)write(*fd, buffer, (unsigned)length)); |
| #else |
| return (write(*fd, buffer, length)); |
| #endif /* WIN32 */ |
| } |