| /* |
| * User-defined destination (and option) support for CUPS. |
| * |
| * Copyright 2007-2017 by Apple Inc. |
| * Copyright 1997-2007 by Easy Software Products. |
| * |
| * These coded instructions, statements, and computer programs are the |
| * property of Apple Inc. and are protected by Federal copyright |
| * law. Distribution and use rights are outlined in the file "LICENSE.txt" |
| * which should have been included with this file. If this file is |
| * missing or damaged, see the license at "http://www.cups.org/". |
| * |
| * This file is subject to the Apple OS-Developed Software exception. |
| */ |
| |
| /* |
| * Include necessary headers... |
| */ |
| |
| #include "cups-private.h" |
| #include <sys/stat.h> |
| |
| #ifdef HAVE_NOTIFY_H |
| # include <notify.h> |
| #endif /* HAVE_NOTIFY_H */ |
| |
| #ifdef HAVE_POLL |
| # include <poll.h> |
| #endif /* HAVE_POLL */ |
| |
| #ifdef HAVE_DNSSD |
| # include <dns_sd.h> |
| #endif /* HAVE_DNSSD */ |
| |
| #ifdef HAVE_AVAHI |
| # include <avahi-client/client.h> |
| # include <avahi-client/lookup.h> |
| # include <avahi-common/simple-watch.h> |
| # include <avahi-common/domain.h> |
| # include <avahi-common/error.h> |
| # include <avahi-common/malloc.h> |
| #define kDNSServiceMaxDomainName AVAHI_DOMAIN_NAME_MAX |
| #endif /* HAVE_AVAHI */ |
| |
| |
| /* |
| * Constants... |
| */ |
| |
| #ifdef __APPLE__ |
| # if !TARGET_OS_IOS |
| # include <SystemConfiguration/SystemConfiguration.h> |
| # define _CUPS_LOCATION_DEFAULTS 1 |
| # endif /* !TARGET_OS_IOS */ |
| # define kCUPSPrintingPrefs CFSTR("org.cups.PrintingPrefs") |
| # define kDefaultPaperIDKey CFSTR("DefaultPaperID") |
| # define kLastUsedPrintersKey CFSTR("LastUsedPrinters") |
| # define kLocationNetworkKey CFSTR("Network") |
| # define kLocationPrinterIDKey CFSTR("PrinterID") |
| # define kUseLastPrinter CFSTR("UseLastPrinter") |
| #endif /* __APPLE__ */ |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| # define _CUPS_DNSSD_GET_DESTS 250 /* Milliseconds for cupsGetDests */ |
| # define _CUPS_DNSSD_MAXTIME 50 /* Milliseconds for maximum quantum of time */ |
| #else |
| # define _CUPS_DNSSD_GET_DESTS 0 /* Milliseconds for cupsGetDests */ |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| |
| /* |
| * Types... |
| */ |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| typedef enum _cups_dnssd_state_e /* Enumerated device state */ |
| { |
| _CUPS_DNSSD_NEW, |
| _CUPS_DNSSD_QUERY, |
| _CUPS_DNSSD_PENDING, |
| _CUPS_DNSSD_ACTIVE, |
| _CUPS_DNSSD_LOCAL, |
| _CUPS_DNSSD_INCOMPATIBLE, |
| _CUPS_DNSSD_ERROR |
| } _cups_dnssd_state_t; |
| |
| typedef struct _cups_dnssd_data_s /* Enumeration data */ |
| { |
| # ifdef HAVE_DNSSD |
| DNSServiceRef main_ref; /* Main service reference */ |
| # else /* HAVE_AVAHI */ |
| AvahiSimplePoll *simple_poll; /* Polling interface */ |
| AvahiClient *client; /* Client information */ |
| int got_data; /* Did we get data? */ |
| int browsers; /* How many browsers are running? */ |
| # endif /* HAVE_DNSSD */ |
| cups_dest_cb_t cb; /* Callback */ |
| void *user_data; /* User data pointer */ |
| cups_ptype_t type, /* Printer type filter */ |
| mask; /* Printer type mask */ |
| cups_array_t *devices; /* Devices found so far */ |
| } _cups_dnssd_data_t; |
| |
| typedef struct _cups_dnssd_device_s /* Enumerated device */ |
| { |
| _cups_dnssd_state_t state; /* State of device listing */ |
| # ifdef HAVE_DNSSD |
| DNSServiceRef ref; /* Service reference for query */ |
| # else /* HAVE_AVAHI */ |
| AvahiRecordBrowser *ref; /* Browser for query */ |
| # endif /* HAVE_DNSSD */ |
| char *fullName, /* Full name */ |
| *regtype, /* Registration type */ |
| *domain; /* Domain name */ |
| cups_ptype_t type; /* Device registration type */ |
| cups_dest_t dest; /* Destination record */ |
| } _cups_dnssd_device_t; |
| |
| typedef struct _cups_dnssd_resolve_s /* Data for resolving URI */ |
| { |
| int *cancel; /* Pointer to "cancel" variable */ |
| struct timeval end_time; /* Ending time */ |
| } _cups_dnssd_resolve_t; |
| #endif /* HAVE_DNSSD */ |
| |
| typedef struct _cups_getdata_s |
| { |
| int num_dests; /* Number of destinations */ |
| cups_dest_t *dests; /* Destinations */ |
| } _cups_getdata_t; |
| |
| typedef struct _cups_namedata_s |
| { |
| const char *name; /* Named destination */ |
| cups_dest_t *dest; /* Destination */ |
| } _cups_namedata_t; |
| |
| |
| /* |
| * Local functions... |
| */ |
| |
| #if _CUPS_LOCATION_DEFAULTS |
| static CFArrayRef appleCopyLocations(void); |
| static CFStringRef appleCopyNetwork(void); |
| #endif /* _CUPS_LOCATION_DEFAULTS */ |
| #ifdef __APPLE__ |
| static char *appleGetPaperSize(char *name, size_t namesize); |
| #endif /* __APPLE__ */ |
| #if _CUPS_LOCATION_DEFAULTS |
| static CFStringRef appleGetPrinter(CFArrayRef locations, |
| CFStringRef network, CFIndex *locindex); |
| #endif /* _CUPS_LOCATION_DEFAULTS */ |
| static cups_dest_t *cups_add_dest(const char *name, const char *instance, |
| int *num_dests, cups_dest_t **dests); |
| #ifdef __BLOCKS__ |
| static int cups_block_cb(cups_dest_block_t block, unsigned flags, |
| cups_dest_t *dest); |
| #endif /* __BLOCKS__ */ |
| static int cups_compare_dests(cups_dest_t *a, cups_dest_t *b); |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| # ifdef HAVE_DNSSD |
| static void cups_dnssd_browse_cb(DNSServiceRef sdRef, |
| DNSServiceFlags flags, |
| uint32_t interfaceIndex, |
| DNSServiceErrorType errorCode, |
| const char *serviceName, |
| const char *regtype, |
| const char *replyDomain, |
| void *context); |
| # else /* HAVE_AVAHI */ |
| static void cups_dnssd_browse_cb(AvahiServiceBrowser *browser, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| AvahiBrowserEvent event, |
| const char *serviceName, |
| const char *regtype, |
| const char *replyDomain, |
| AvahiLookupResultFlags flags, |
| void *context); |
| static void cups_dnssd_client_cb(AvahiClient *client, |
| AvahiClientState state, |
| void *context); |
| # endif /* HAVE_DNSSD */ |
| static int cups_dnssd_compare_devices(_cups_dnssd_device_t *a, |
| _cups_dnssd_device_t *b); |
| static void cups_dnssd_free_device(_cups_dnssd_device_t *device, |
| _cups_dnssd_data_t *data); |
| static _cups_dnssd_device_t * |
| cups_dnssd_get_device(_cups_dnssd_data_t *data, |
| const char *serviceName, |
| const char *regtype, |
| const char *replyDomain); |
| # ifdef HAVE_DNSSD |
| static void cups_dnssd_local_cb(DNSServiceRef sdRef, |
| DNSServiceFlags flags, |
| uint32_t interfaceIndex, |
| DNSServiceErrorType errorCode, |
| const char *serviceName, |
| const char *regtype, |
| const char *replyDomain, |
| void *context); |
| static void cups_dnssd_query_cb(DNSServiceRef sdRef, |
| DNSServiceFlags flags, |
| uint32_t interfaceIndex, |
| DNSServiceErrorType errorCode, |
| const char *fullName, |
| uint16_t rrtype, uint16_t rrclass, |
| uint16_t rdlen, const void *rdata, |
| uint32_t ttl, void *context); |
| # else /* HAVE_AVAHI */ |
| static int cups_dnssd_poll_cb(struct pollfd *pollfds, |
| unsigned int num_pollfds, |
| int timeout, void *context); |
| static void cups_dnssd_query_cb(AvahiRecordBrowser *browser, |
| AvahiIfIndex interface, |
| AvahiProtocol protocol, |
| AvahiBrowserEvent event, |
| const char *name, uint16_t rrclass, |
| uint16_t rrtype, const void *rdata, |
| size_t rdlen, |
| AvahiLookupResultFlags flags, |
| void *context); |
| # endif /* HAVE_DNSSD */ |
| static const char *cups_dnssd_resolve(cups_dest_t *dest, const char *uri, |
| int msec, int *cancel, |
| cups_dest_cb_t cb, void *user_data); |
| static int cups_dnssd_resolve_cb(void *context); |
| static void cups_dnssd_unquote(char *dst, const char *src, |
| size_t dstsize); |
| static int cups_elapsed(struct timeval *t); |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| static int cups_enum_dests(http_t *http, unsigned flags, int msec, int *cancel, cups_ptype_t type, cups_ptype_t mask, cups_dest_cb_t cb, void *user_data); |
| static int cups_find_dest(const char *name, const char *instance, |
| int num_dests, cups_dest_t *dests, int prev, |
| int *rdiff); |
| static int cups_get_cb(_cups_getdata_t *data, unsigned flags, cups_dest_t *dest); |
| static char *cups_get_default(const char *filename, char *namebuf, |
| size_t namesize, const char **instance); |
| static int cups_get_dests(const char *filename, const char *match_name, |
| const char *match_inst, int user_default_set, |
| int num_dests, cups_dest_t **dests); |
| static char *cups_make_string(ipp_attribute_t *attr, char *buffer, |
| size_t bufsize); |
| static int cups_name_cb(_cups_namedata_t *data, unsigned flags, cups_dest_t *dest); |
| static void cups_queue_name(char *name, const char *serviceName, size_t namesize); |
| |
| |
| /* |
| * 'cupsAddDest()' - Add a destination to the list of destinations. |
| * |
| * This function cannot be used to add a new class or printer queue, |
| * it only adds a new container of saved options for the named |
| * destination or instance. |
| * |
| * If the named destination already exists, the destination list is |
| * returned unchanged. Adding a new instance of a destination creates |
| * a copy of that destination's options. |
| * |
| * Use the @link cupsSaveDests@ function to save the updated list of |
| * destinations to the user's lpoptions file. |
| */ |
| |
| int /* O - New number of destinations */ |
| cupsAddDest(const char *name, /* I - Destination name */ |
| const char *instance, /* I - Instance name or @code NULL@ for none/primary */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t **dests) /* IO - Destinations */ |
| { |
| int i; /* Looping var */ |
| cups_dest_t *dest; /* Destination pointer */ |
| cups_dest_t *parent = NULL; /* Parent destination */ |
| cups_option_t *doption, /* Current destination option */ |
| *poption; /* Current parent option */ |
| |
| |
| if (!name || !dests) |
| return (0); |
| |
| if (!cupsGetDest(name, instance, num_dests, *dests)) |
| { |
| if (instance && !cupsGetDest(name, NULL, num_dests, *dests)) |
| return (num_dests); |
| |
| if ((dest = cups_add_dest(name, instance, &num_dests, dests)) == NULL) |
| return (num_dests); |
| |
| /* |
| * Find the base dest again now the array has been realloc'd. |
| */ |
| |
| parent = cupsGetDest(name, NULL, num_dests, *dests); |
| |
| if (instance && parent && parent->num_options > 0) |
| { |
| /* |
| * Copy options from parent... |
| */ |
| |
| dest->options = calloc(sizeof(cups_option_t), (size_t)parent->num_options); |
| |
| if (dest->options) |
| { |
| dest->num_options = parent->num_options; |
| |
| for (i = dest->num_options, doption = dest->options, |
| poption = parent->options; |
| i > 0; |
| i --, doption ++, poption ++) |
| { |
| doption->name = _cupsStrRetain(poption->name); |
| doption->value = _cupsStrRetain(poption->value); |
| } |
| } |
| } |
| } |
| |
| return (num_dests); |
| } |
| |
| |
| #ifdef __APPLE__ |
| /* |
| * '_cupsAppleCopyDefaultPaperID()' - Get the default paper ID. |
| */ |
| |
| CFStringRef /* O - Default paper ID */ |
| _cupsAppleCopyDefaultPaperID(void) |
| { |
| return (CFPreferencesCopyAppValue(kDefaultPaperIDKey, |
| kCUPSPrintingPrefs)); |
| } |
| |
| |
| /* |
| * '_cupsAppleCopyDefaultPrinter()' - Get the default printer at this location. |
| */ |
| |
| CFStringRef /* O - Default printer name */ |
| _cupsAppleCopyDefaultPrinter(void) |
| { |
| # if _CUPS_LOCATION_DEFAULTS |
| CFStringRef network; /* Network location */ |
| CFArrayRef locations; /* Location array */ |
| CFStringRef locprinter; /* Current printer */ |
| |
| |
| /* |
| * Use location-based defaults only if "use last printer" is selected in the |
| * system preferences... |
| */ |
| |
| if (!_cupsAppleGetUseLastPrinter()) |
| { |
| DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Not using last printer as " |
| "default."); |
| return (NULL); |
| } |
| |
| /* |
| * Get the current location... |
| */ |
| |
| if ((network = appleCopyNetwork()) == NULL) |
| { |
| DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Unable to get current " |
| "network."); |
| return (NULL); |
| } |
| |
| /* |
| * Lookup the network in the preferences... |
| */ |
| |
| if ((locations = appleCopyLocations()) == NULL) |
| { |
| /* |
| * Missing or bad location array, so no location-based default... |
| */ |
| |
| DEBUG_puts("1_cupsAppleCopyDefaultPrinter: Missing or bad last used " |
| "printer array."); |
| |
| CFRelease(network); |
| |
| return (NULL); |
| } |
| |
| DEBUG_printf(("1_cupsAppleCopyDefaultPrinter: Got locations, %d entries.", |
| (int)CFArrayGetCount(locations))); |
| |
| if ((locprinter = appleGetPrinter(locations, network, NULL)) != NULL) |
| CFRetain(locprinter); |
| |
| CFRelease(network); |
| CFRelease(locations); |
| |
| return (locprinter); |
| |
| # else |
| return (NULL); |
| # endif /* _CUPS_LOCATION_DEFAULTS */ |
| } |
| |
| |
| /* |
| * '_cupsAppleGetUseLastPrinter()' - Get whether to use the last used printer. |
| */ |
| |
| int /* O - 1 to use last printer, 0 otherwise */ |
| _cupsAppleGetUseLastPrinter(void) |
| { |
| Boolean uselast, /* Use last printer preference value */ |
| uselast_set; /* Valid is set? */ |
| |
| |
| if (getenv("CUPS_DISABLE_APPLE_DEFAULT")) |
| return (0); |
| |
| uselast = CFPreferencesGetAppBooleanValue(kUseLastPrinter, |
| kCUPSPrintingPrefs, |
| &uselast_set); |
| if (!uselast_set) |
| return (1); |
| else |
| return (uselast); |
| } |
| |
| |
| /* |
| * '_cupsAppleSetDefaultPaperID()' - Set the default paper id. |
| */ |
| |
| void |
| _cupsAppleSetDefaultPaperID( |
| CFStringRef name) /* I - New paper ID */ |
| { |
| CFPreferencesSetAppValue(kDefaultPaperIDKey, name, kCUPSPrintingPrefs); |
| CFPreferencesAppSynchronize(kCUPSPrintingPrefs); |
| |
| # ifdef HAVE_NOTIFY_POST |
| notify_post("com.apple.printerPrefsChange"); |
| # endif /* HAVE_NOTIFY_POST */ |
| } |
| |
| |
| /* |
| * '_cupsAppleSetDefaultPrinter()' - Set the default printer for this location. |
| */ |
| |
| void |
| _cupsAppleSetDefaultPrinter( |
| CFStringRef name) /* I - Default printer/class name */ |
| { |
| # if _CUPS_LOCATION_DEFAULTS |
| CFStringRef network; /* Current network */ |
| CFArrayRef locations; /* Old locations array */ |
| CFIndex locindex; /* Index in locations array */ |
| CFStringRef locprinter; /* Current printer */ |
| CFMutableArrayRef newlocations; /* New locations array */ |
| CFMutableDictionaryRef newlocation; /* New location */ |
| |
| |
| /* |
| * Get the current location... |
| */ |
| |
| if ((network = appleCopyNetwork()) == NULL) |
| { |
| DEBUG_puts("1_cupsAppleSetDefaultPrinter: Unable to get current network..."); |
| return; |
| } |
| |
| /* |
| * Lookup the network in the preferences... |
| */ |
| |
| if ((locations = appleCopyLocations()) != NULL) |
| locprinter = appleGetPrinter(locations, network, &locindex); |
| else |
| { |
| locprinter = NULL; |
| locindex = -1; |
| } |
| |
| if (!locprinter || CFStringCompare(locprinter, name, 0) != kCFCompareEqualTo) |
| { |
| /* |
| * Need to change the locations array... |
| */ |
| |
| if (locations) |
| { |
| newlocations = CFArrayCreateMutableCopy(kCFAllocatorDefault, 0, |
| locations); |
| |
| if (locprinter) |
| CFArrayRemoveValueAtIndex(newlocations, locindex); |
| } |
| else |
| newlocations = CFArrayCreateMutable(kCFAllocatorDefault, 0, |
| &kCFTypeArrayCallBacks); |
| |
| newlocation = CFDictionaryCreateMutable(kCFAllocatorDefault, 0, |
| &kCFTypeDictionaryKeyCallBacks, |
| &kCFTypeDictionaryValueCallBacks); |
| |
| if (newlocation && newlocations) |
| { |
| /* |
| * Put the new location at the front of the array... |
| */ |
| |
| CFDictionaryAddValue(newlocation, kLocationNetworkKey, network); |
| CFDictionaryAddValue(newlocation, kLocationPrinterIDKey, name); |
| CFArrayInsertValueAtIndex(newlocations, 0, newlocation); |
| |
| /* |
| * Limit the number of locations to 10... |
| */ |
| |
| while (CFArrayGetCount(newlocations) > 10) |
| CFArrayRemoveValueAtIndex(newlocations, 10); |
| |
| /* |
| * Push the changes out... |
| */ |
| |
| CFPreferencesSetAppValue(kLastUsedPrintersKey, newlocations, |
| kCUPSPrintingPrefs); |
| CFPreferencesAppSynchronize(kCUPSPrintingPrefs); |
| |
| # ifdef HAVE_NOTIFY_POST |
| notify_post("com.apple.printerPrefsChange"); |
| # endif /* HAVE_NOTIFY_POST */ |
| } |
| |
| if (newlocations) |
| CFRelease(newlocations); |
| |
| if (newlocation) |
| CFRelease(newlocation); |
| } |
| |
| if (locations) |
| CFRelease(locations); |
| |
| CFRelease(network); |
| |
| # else |
| (void)name; |
| # endif /* _CUPS_LOCATION_DEFAULTS */ |
| } |
| |
| |
| /* |
| * '_cupsAppleSetUseLastPrinter()' - Set whether to use the last used printer. |
| */ |
| |
| void |
| _cupsAppleSetUseLastPrinter( |
| int uselast) /* O - 1 to use last printer, 0 otherwise */ |
| { |
| CFPreferencesSetAppValue(kUseLastPrinter, |
| uselast ? kCFBooleanTrue : kCFBooleanFalse, |
| kCUPSPrintingPrefs); |
| CFPreferencesAppSynchronize(kCUPSPrintingPrefs); |
| |
| # ifdef HAVE_NOTIFY_POST |
| notify_post("com.apple.printerPrefsChange"); |
| # endif /* HAVE_NOTIFY_POST */ |
| } |
| #endif /* __APPLE__ */ |
| |
| |
| /* |
| * 'cupsConnectDest()' - Open a conection to the destination. |
| * |
| * Connect to the destination, returning a new @code http_t@ connection object |
| * and optionally the resource path to use for the destination. These calls |
| * will block until a connection is made, the timeout expires, the integer |
| * pointed to by "cancel" is non-zero, or the callback function (or block) |
| * returns 0. The caller is responsible for calling @link httpClose@ on the |
| * returned connection. |
| * |
| * Starting with CUPS 2.2.4, the caller can pass @code CUPS_DEST_FLAGS_DEVICE@ |
| * for the "flags" argument to connect directly to the device associated with |
| * the destination. Otherwise, the connection is made to the CUPS scheduler |
| * associated with the destination. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| http_t * /* O - Connection to destination or @code NULL@ */ |
| cupsConnectDest( |
| cups_dest_t *dest, /* I - Destination */ |
| unsigned flags, /* I - Connection flags */ |
| int msec, /* I - Timeout in milliseconds */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| char *resource, /* I - Resource buffer */ |
| size_t resourcesize, /* I - Size of resource buffer */ |
| cups_dest_cb_t cb, /* I - Callback function */ |
| void *user_data) /* I - User data pointer */ |
| { |
| const char *uri; /* Printer URI */ |
| char scheme[32], /* URI scheme */ |
| userpass[256], /* Username and password (unused) */ |
| hostname[256], /* Hostname */ |
| tempresource[1024]; /* Temporary resource buffer */ |
| int port; /* Port number */ |
| char portstr[16]; /* Port number string */ |
| http_encryption_t encryption; /* Encryption to use */ |
| http_addrlist_t *addrlist; /* Address list for server */ |
| http_t *http; /* Connection to server */ |
| |
| |
| DEBUG_printf(("cupsConnectDest(dest=%p, flags=0x%x, msec=%d, cancel=%p(%d), resource=\"%s\", resourcesize=" CUPS_LLFMT ", cb=%p, user_data=%p)", (void *)dest, flags, msec, (void *)cancel, cancel ? *cancel : -1, resource, CUPS_LLCAST resourcesize, (void *)cb, user_data)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!dest) |
| { |
| if (resource) |
| *resource = '\0'; |
| |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); |
| return (NULL); |
| } |
| |
| if (!resource || resourcesize < 1) |
| { |
| resource = tempresource; |
| resourcesize = sizeof(tempresource); |
| } |
| |
| /* |
| * Grab the printer URI... |
| */ |
| |
| if (flags & CUPS_DEST_FLAGS_DEVICE) |
| { |
| if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL) |
| { |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| if (strstr(uri, "._tcp")) |
| uri = cups_dnssd_resolve(dest, uri, msec, cancel, cb, user_data); |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| } |
| } |
| else if ((uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options)) == NULL) |
| { |
| if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL) |
| { |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| if (strstr(uri, "._tcp")) |
| uri = cups_dnssd_resolve(dest, uri, msec, cancel, cb, user_data); |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| } |
| |
| if (uri) |
| uri = _cupsCreateDest(dest->name, cupsGetOption("printer-info", dest->num_options, dest->options), NULL, uri, tempresource, sizeof(tempresource)); |
| |
| if (uri) |
| { |
| dest->num_options = cupsAddOption("printer-uri-supported", uri, dest->num_options, &dest->options); |
| |
| uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options); |
| } |
| } |
| |
| if (!uri) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0); |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest); |
| |
| return (NULL); |
| } |
| |
| if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme), |
| userpass, sizeof(userpass), hostname, sizeof(hostname), |
| &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1); |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, |
| dest); |
| |
| return (NULL); |
| } |
| |
| /* |
| * Lookup the address for the server... |
| */ |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING, dest); |
| |
| snprintf(portstr, sizeof(portstr), "%d", port); |
| |
| if ((addrlist = httpAddrGetList(hostname, AF_UNSPEC, portstr)) == NULL) |
| { |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest); |
| |
| return (NULL); |
| } |
| |
| if (cancel && *cancel) |
| { |
| httpAddrFreeList(addrlist); |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CANCELED, dest); |
| |
| return (NULL); |
| } |
| |
| /* |
| * Create the HTTP object pointing to the server referenced by the URI... |
| */ |
| |
| if (!strcmp(scheme, "ipps") || port == 443) |
| encryption = HTTP_ENCRYPTION_ALWAYS; |
| else |
| encryption = HTTP_ENCRYPTION_IF_REQUESTED; |
| |
| http = httpConnect2(hostname, port, addrlist, AF_UNSPEC, encryption, 1, 0, NULL); |
| httpAddrFreeList(addrlist); |
| |
| /* |
| * Connect if requested... |
| */ |
| |
| if (flags & CUPS_DEST_FLAGS_UNCONNECTED) |
| { |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED, dest); |
| } |
| else |
| { |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING, dest); |
| |
| if (!httpReconnect2(http, msec, cancel) && cb) |
| { |
| if (cancel && *cancel) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_CONNECTING, dest); |
| else |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest); |
| } |
| else if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_NONE, dest); |
| } |
| |
| return (http); |
| } |
| |
| |
| #ifdef __BLOCKS__ |
| /* |
| * 'cupsConnectDestBlock()' - Open a connection to the destination. |
| * |
| * Connect to the destination, returning a new @code http_t@ connection object |
| * and optionally the resource path to use for the destination. These calls |
| * will block until a connection is made, the timeout expires, the integer |
| * pointed to by "cancel" is non-zero, or the block returns 0. The caller is |
| * responsible for calling @link httpClose@ on the returned connection. |
| * |
| * Starting with CUPS 2.2.4, the caller can pass @code CUPS_DEST_FLAGS_DEVICE@ |
| * for the "flags" argument to connect directly to the device associated with |
| * the destination. Otherwise, the connection is made to the CUPS scheduler |
| * associated with the destination. |
| * |
| * @since CUPS 1.6/macOS 10.8@ @exclude all@ |
| */ |
| |
| http_t * /* O - Connection to destination or @code NULL@ */ |
| cupsConnectDestBlock( |
| cups_dest_t *dest, /* I - Destination */ |
| unsigned flags, /* I - Connection flags */ |
| int msec, /* I - Timeout in milliseconds */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| char *resource, /* I - Resource buffer */ |
| size_t resourcesize, /* I - Size of resource buffer */ |
| cups_dest_block_t block) /* I - Callback block */ |
| { |
| return (cupsConnectDest(dest, flags, msec, cancel, resource, resourcesize, |
| (cups_dest_cb_t)cups_block_cb, (void *)block)); |
| } |
| #endif /* __BLOCKS__ */ |
| |
| |
| /* |
| * 'cupsCopyDest()' - Copy a destination. |
| * |
| * Make a copy of the destination to an array of destinations (or just a single |
| * copy) - for use with the cupsEnumDests* functions. The caller is responsible |
| * for calling cupsFreeDests() on the returned object(s). |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - New number of destinations */ |
| cupsCopyDest(cups_dest_t *dest, /* I - Destination to copy */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t **dests) /* IO - Destination array */ |
| { |
| int i; /* Looping var */ |
| cups_dest_t *new_dest; /* New destination pointer */ |
| cups_option_t *new_option, /* Current destination option */ |
| *option; /* Current parent option */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!dest || num_dests < 0 || !dests) |
| return (num_dests); |
| |
| /* |
| * See if the destination already exists... |
| */ |
| |
| if ((new_dest = cupsGetDest(dest->name, dest->instance, num_dests, |
| *dests)) != NULL) |
| { |
| /* |
| * Protect against copying destination to itself... |
| */ |
| |
| if (new_dest == dest) |
| return (num_dests); |
| |
| /* |
| * Otherwise, free the options... |
| */ |
| |
| cupsFreeOptions(new_dest->num_options, new_dest->options); |
| |
| new_dest->num_options = 0; |
| new_dest->options = NULL; |
| } |
| else |
| new_dest = cups_add_dest(dest->name, dest->instance, &num_dests, dests); |
| |
| if (new_dest) |
| { |
| if ((new_dest->options = calloc(sizeof(cups_option_t), (size_t)dest->num_options)) == NULL) |
| return (cupsRemoveDest(dest->name, dest->instance, num_dests, dests)); |
| |
| new_dest->num_options = dest->num_options; |
| |
| for (i = dest->num_options, option = dest->options, |
| new_option = new_dest->options; |
| i > 0; |
| i --, option ++, new_option ++) |
| { |
| new_option->name = _cupsStrRetain(option->name); |
| new_option->value = _cupsStrRetain(option->value); |
| } |
| } |
| |
| return (num_dests); |
| } |
| |
| |
| /* |
| * '_cupsCreateDest()' - Create a local (temporary) queue. |
| */ |
| |
| char * /* O - Printer URI or @code NULL@ on error */ |
| _cupsCreateDest(const char *name, /* I - Printer name */ |
| const char *info, /* I - Printer description of @code NULL@ */ |
| const char *device_id, /* I - 1284 Device ID or @code NULL@ */ |
| const char *device_uri, /* I - Device URI */ |
| char *uri, /* I - Printer URI buffer */ |
| size_t urisize) /* I - Size of URI buffer */ |
| { |
| http_t *http; /* Connection to server */ |
| ipp_t *request, /* CUPS-Create-Local-Printer request */ |
| *response; /* CUPS-Create-Local-Printer response */ |
| ipp_attribute_t *attr; /* printer-uri-supported attribute */ |
| ipp_pstate_t state = IPP_PSTATE_STOPPED; |
| /* printer-state value */ |
| |
| |
| if (!name || !device_uri || !uri || urisize < 32) |
| return (NULL); |
| |
| if ((http = httpConnect2(cupsServer(), ippPort(), NULL, AF_UNSPEC, HTTP_ENCRYPTION_IF_REQUESTED, 1, 30000, NULL)) == NULL) |
| return (NULL); |
| |
| request = ippNewRequest(IPP_OP_CUPS_CREATE_LOCAL_PRINTER); |
| |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, "ipp://localhost/"); |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); |
| |
| ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_URI, "device-uri", NULL, device_uri); |
| ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_NAME, "printer-name", NULL, name); |
| if (info) |
| ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-info", NULL, info); |
| if (device_id) |
| ippAddString(request, IPP_TAG_PRINTER, IPP_TAG_TEXT, "printer-device-id", NULL, device_id); |
| |
| response = cupsDoRequest(http, request, "/"); |
| |
| if ((attr = ippFindAttribute(response, "printer-uri-supported", IPP_TAG_URI)) != NULL) |
| strlcpy(uri, ippGetString(attr, 0, NULL), urisize); |
| else |
| { |
| ippDelete(response); |
| httpClose(http); |
| return (NULL); |
| } |
| |
| if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) |
| state = (ipp_pstate_t)ippGetInteger(attr, 0); |
| |
| while (state == IPP_PSTATE_STOPPED && cupsLastError() == IPP_STATUS_OK) |
| { |
| sleep(1); |
| ippDelete(response); |
| |
| request = ippNewRequest(IPP_OP_GET_PRINTER_ATTRIBUTES); |
| |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, uri); |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, "requesting-user-name", NULL, cupsUser()); |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, "requested-attributes", NULL, "printer-state"); |
| |
| response = cupsDoRequest(http, request, "/"); |
| |
| if ((attr = ippFindAttribute(response, "printer-state", IPP_TAG_ENUM)) != NULL) |
| state = (ipp_pstate_t)ippGetInteger(attr, 0); |
| } |
| |
| ippDelete(response); |
| |
| httpClose(http); |
| |
| return (uri); |
| } |
| |
| |
| /* |
| * 'cupsEnumDests()' - Enumerate available destinations with a callback function. |
| * |
| * Destinations are enumerated from one or more sources. The callback function |
| * receives the @code user_data@ pointer and the destination pointer which can |
| * be used as input to the @link cupsCopyDest@ function. The function must |
| * return 1 to continue enumeration or 0 to stop. |
| * |
| * The @code type@ and @code mask@ arguments allow the caller to filter the |
| * destinations that are enumerated. Passing 0 for both will enumerate all |
| * printers. The constant @code CUPS_PRINTER_DISCOVERED@ is used to filter on |
| * destinations that are available but have not yet been added locally. |
| * |
| * Enumeration happens on the current thread and does not return until all |
| * destinations have been enumerated or the callback function returns 0. |
| * |
| * Note: The callback function will likely receive multiple updates for the same |
| * destinations - it is up to the caller to suppress any duplicate destinations. |
| * |
| * @since CUPS 1.6/macOS 10.8@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| cupsEnumDests( |
| unsigned flags, /* I - Enumeration flags */ |
| int msec, /* I - Timeout in milliseconds, -1 for indefinite */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| cups_ptype_t type, /* I - Printer type bits */ |
| cups_ptype_t mask, /* I - Mask for printer type bits */ |
| cups_dest_cb_t cb, /* I - Callback function */ |
| void *user_data) /* I - User data */ |
| { |
| return (cups_enum_dests(CUPS_HTTP_DEFAULT, flags, msec, cancel, type, mask, cb, user_data)); |
| } |
| |
| |
| # ifdef __BLOCKS__ |
| /* |
| * 'cupsEnumDestsBlock()' - Enumerate available destinations with a block. |
| * |
| * Destinations are enumerated from one or more sources. The block receives the |
| * @code user_data@ pointer and the destination pointer which can be used as |
| * input to the @link cupsCopyDest@ function. The block must return 1 to |
| * continue enumeration or 0 to stop. |
| * |
| * The @code type@ and @code mask@ arguments allow the caller to filter the |
| * destinations that are enumerated. Passing 0 for both will enumerate all |
| * printers. The constant @code CUPS_PRINTER_DISCOVERED@ is used to filter on |
| * destinations that are available but have not yet been added locally. |
| * |
| * Enumeration happens on the current thread and does not return until all |
| * destinations have been enumerated or the block returns 0. |
| * |
| * Note: The block will likely receive multiple updates for the same |
| * destinations - it is up to the caller to suppress any duplicate destinations. |
| * |
| * @since CUPS 1.6/macOS 10.8@ @exclude all@ |
| */ |
| |
| int /* O - 1 on success, 0 on failure */ |
| cupsEnumDestsBlock( |
| unsigned flags, /* I - Enumeration flags */ |
| int timeout, /* I - Timeout in milliseconds, 0 for indefinite */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| cups_ptype_t type, /* I - Printer type bits */ |
| cups_ptype_t mask, /* I - Mask for printer type bits */ |
| cups_dest_block_t block) /* I - Block */ |
| { |
| return (cupsEnumDests(flags, timeout, cancel, type, mask, |
| (cups_dest_cb_t)cups_block_cb, (void *)block)); |
| } |
| # endif /* __BLOCKS__ */ |
| |
| |
| /* |
| * 'cupsFreeDests()' - Free the memory used by the list of destinations. |
| */ |
| |
| void |
| cupsFreeDests(int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests) /* I - Destinations */ |
| { |
| int i; /* Looping var */ |
| cups_dest_t *dest; /* Current destination */ |
| |
| |
| if (num_dests == 0 || dests == NULL) |
| return; |
| |
| for (i = num_dests, dest = dests; i > 0; i --, dest ++) |
| { |
| _cupsStrFree(dest->name); |
| _cupsStrFree(dest->instance); |
| |
| cupsFreeOptions(dest->num_options, dest->options); |
| } |
| |
| free(dests); |
| } |
| |
| |
| /* |
| * 'cupsGetDest()' - Get the named destination from the list. |
| * |
| * Use the @link cupsEnumDests@ or @link cupsGetDests2@ functions to get a |
| * list of supported destinations for the current user. |
| */ |
| |
| cups_dest_t * /* O - Destination pointer or @code NULL@ */ |
| cupsGetDest(const char *name, /* I - Destination name or @code NULL@ for the default destination */ |
| const char *instance, /* I - Instance name or @code NULL@ */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests) /* I - Destinations */ |
| { |
| int diff, /* Result of comparison */ |
| match; /* Matching index */ |
| |
| |
| if (num_dests <= 0 || !dests) |
| return (NULL); |
| |
| if (!name) |
| { |
| /* |
| * NULL name for default printer. |
| */ |
| |
| while (num_dests > 0) |
| { |
| if (dests->is_default) |
| return (dests); |
| |
| num_dests --; |
| dests ++; |
| } |
| } |
| else |
| { |
| /* |
| * Lookup name and optionally the instance... |
| */ |
| |
| match = cups_find_dest(name, instance, num_dests, dests, -1, &diff); |
| |
| if (!diff) |
| return (dests + match); |
| } |
| |
| return (NULL); |
| } |
| |
| |
| /* |
| * '_cupsGetDestResource()' - Get the resource path and URI for a destination. |
| */ |
| |
| const char * /* O - Printer URI */ |
| _cupsGetDestResource( |
| cups_dest_t *dest, /* I - Destination */ |
| char *resource, /* I - Resource buffer */ |
| size_t resourcesize) /* I - Size of resource buffer */ |
| { |
| const char *uri; /* Printer URI */ |
| char scheme[32], /* URI scheme */ |
| userpass[256], /* Username and password (unused) */ |
| hostname[256]; /* Hostname */ |
| int port; /* Port number */ |
| |
| |
| DEBUG_printf(("_cupsGetDestResource(dest=%p(%s), resource=%p, resourcesize=%d)", (void *)dest, dest->name, (void *)resource, (int)resourcesize)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!dest || !resource || resourcesize < 1) |
| { |
| if (resource) |
| *resource = '\0'; |
| |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); |
| return (NULL); |
| } |
| |
| /* |
| * Grab the printer URI... |
| */ |
| |
| if ((uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options)) == NULL) |
| { |
| if ((uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL) |
| { |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| if (strstr(uri, "._tcp")) |
| uri = cups_dnssd_resolve(dest, uri, 5000, NULL, NULL, NULL); |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| } |
| |
| if (uri) |
| { |
| DEBUG_printf(("1_cupsGetDestResource: Resolved printer-uri-supported=\"%s\"", uri)); |
| |
| uri = _cupsCreateDest(dest->name, cupsGetOption("printer-info", dest->num_options, dest->options), NULL, uri, resource, resourcesize); |
| } |
| |
| if (uri) |
| { |
| DEBUG_printf(("1_cupsGetDestResource: Local printer-uri-supported=\"%s\"", uri)); |
| |
| dest->num_options = cupsAddOption("printer-uri-supported", uri, dest->num_options, &dest->options); |
| |
| uri = cupsGetOption("printer-uri-supported", dest->num_options, dest->options); |
| } |
| else |
| { |
| DEBUG_puts("1_cupsGetDestResource: No printer-uri-supported found."); |
| |
| if (resource) |
| *resource = '\0'; |
| |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(ENOENT), 0); |
| |
| return (NULL); |
| } |
| } |
| else |
| { |
| DEBUG_printf(("1_cupsGetDestResource: printer-uri-supported=\"%s\"", uri)); |
| |
| if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme), |
| userpass, sizeof(userpass), hostname, sizeof(hostname), |
| &port, resource, (int)resourcesize) < HTTP_URI_STATUS_OK) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1); |
| |
| return (NULL); |
| } |
| } |
| |
| DEBUG_printf(("1_cupsGetDestResource: resource=\"%s\"", resource)); |
| |
| return (uri); |
| } |
| |
| |
| /* |
| * 'cupsGetDestWithURI()' - Get a destination associated with a URI. |
| * |
| * "name" is the desired name for the printer. If @code NULL@, a name will be |
| * created using the URI. |
| * |
| * "uri" is the "ipp" or "ipps" URI for the printer. |
| * |
| * @since CUPS 2.0/macOS 10.10@ |
| */ |
| |
| cups_dest_t * /* O - Destination or @code NULL@ */ |
| cupsGetDestWithURI(const char *name, /* I - Desired printer name or @code NULL@ */ |
| const char *uri) /* I - URI for the printer */ |
| { |
| cups_dest_t *dest; /* New destination */ |
| char temp[1024], /* Temporary string */ |
| scheme[256], /* Scheme from URI */ |
| userpass[256], /* Username:password from URI */ |
| hostname[256], /* Hostname from URI */ |
| resource[1024], /* Resource path from URI */ |
| *ptr; /* Pointer into string */ |
| const char *info; /* printer-info string */ |
| int port; /* Port number from URI */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!uri) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(EINVAL), 0); |
| return (NULL); |
| } |
| |
| if (httpSeparateURI(HTTP_URI_CODING_ALL, uri, scheme, sizeof(scheme), userpass, sizeof(userpass), hostname, sizeof(hostname), &port, resource, sizeof(resource)) < HTTP_URI_STATUS_OK || |
| (strncmp(uri, "ipp://", 6) && strncmp(uri, "ipps://", 7))) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad printer-uri."), 1); |
| |
| return (NULL); |
| } |
| |
| if (name) |
| { |
| info = name; |
| } |
| else |
| { |
| /* |
| * Create the name from the URI... |
| */ |
| |
| if (strstr(hostname, "._tcp")) |
| { |
| /* |
| * Use the service instance name... |
| */ |
| |
| if ((ptr = strstr(hostname, "._")) != NULL) |
| *ptr = '\0'; |
| |
| cups_queue_name(temp, hostname, sizeof(temp)); |
| name = temp; |
| info = hostname; |
| } |
| else if (!strncmp(resource, "/classes/", 9)) |
| { |
| snprintf(temp, sizeof(temp), "%s @ %s", resource + 9, hostname); |
| name = resource + 9; |
| info = temp; |
| } |
| else if (!strncmp(resource, "/printers/", 10)) |
| { |
| snprintf(temp, sizeof(temp), "%s @ %s", resource + 10, hostname); |
| name = resource + 10; |
| info = temp; |
| } |
| else |
| { |
| name = hostname; |
| info = hostname; |
| } |
| } |
| |
| /* |
| * Create the destination... |
| */ |
| |
| if ((dest = calloc(1, sizeof(cups_dest_t))) == NULL) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, strerror(errno), 0); |
| return (NULL); |
| } |
| |
| dest->name = _cupsStrAlloc(name); |
| dest->num_options = cupsAddOption("device-uri", uri, dest->num_options, &(dest->options)); |
| dest->num_options = cupsAddOption("printer-info", info, dest->num_options, &(dest->options)); |
| |
| return (dest); |
| } |
| |
| |
| /* |
| * '_cupsGetDests()' - Get destinations from a server. |
| * |
| * "op" is IPP_OP_CUPS_GET_PRINTERS to get a full list, IPP_OP_CUPS_GET_DEFAULT |
| * to get the system-wide default printer, or IPP_OP_GET_PRINTER_ATTRIBUTES for |
| * a known printer. |
| * |
| * "name" is the name of an existing printer and is only used when "op" is |
| * IPP_OP_GET_PRINTER_ATTRIBUTES. |
| * |
| * "dest" is initialized to point to the array of destinations. |
| * |
| * 0 is returned if there are no printers, no default printer, or the named |
| * printer does not exist, respectively. |
| * |
| * Free the memory used by the destination array using the @link cupsFreeDests@ |
| * function. |
| * |
| * Note: On macOS this function also gets the default paper from the system |
| * preferences (~/L/P/org.cups.PrintingPrefs.plist) and includes it in the |
| * options array for each destination that supports it. |
| */ |
| |
| int /* O - Number of destinations */ |
| _cupsGetDests(http_t *http, /* I - Connection to server or |
| * @code CUPS_HTTP_DEFAULT@ */ |
| ipp_op_t op, /* I - IPP operation */ |
| const char *name, /* I - Name of destination */ |
| cups_dest_t **dests, /* IO - Destinations */ |
| cups_ptype_t type, /* I - Printer type bits */ |
| cups_ptype_t mask) /* I - Printer type mask */ |
| { |
| int num_dests = 0; /* Number of destinations */ |
| cups_dest_t *dest; /* Current destination */ |
| ipp_t *request, /* IPP Request */ |
| *response; /* IPP Response */ |
| ipp_attribute_t *attr; /* Current attribute */ |
| const char *printer_name; /* printer-name attribute */ |
| char uri[1024]; /* printer-uri value */ |
| int num_options; /* Number of options */ |
| cups_option_t *options; /* Options */ |
| #ifdef __APPLE__ |
| char media_default[41]; /* Default paper size */ |
| #endif /* __APPLE__ */ |
| char optname[1024], /* Option name */ |
| value[2048], /* Option value */ |
| *ptr; /* Pointer into name/value */ |
| static const char * const pattrs[] = /* Attributes we're interested in */ |
| { |
| "auth-info-required", |
| "device-uri", |
| "job-sheets-default", |
| "marker-change-time", |
| "marker-colors", |
| "marker-high-levels", |
| "marker-levels", |
| "marker-low-levels", |
| "marker-message", |
| "marker-names", |
| "marker-types", |
| #ifdef __APPLE__ |
| "media-supported", |
| #endif /* __APPLE__ */ |
| "printer-commands", |
| "printer-defaults", |
| "printer-info", |
| "printer-is-accepting-jobs", |
| "printer-is-shared", |
| "printer-is-temporary", |
| "printer-location", |
| "printer-make-and-model", |
| "printer-mandatory-job-attributes", |
| "printer-name", |
| "printer-state", |
| "printer-state-change-time", |
| "printer-state-reasons", |
| "printer-type", |
| "printer-uri-supported" |
| }; |
| |
| |
| DEBUG_printf(("_cupsGetDests(http=%p, op=%x(%s), name=\"%s\", dests=%p, type=%x, mask=%x)", (void *)http, op, ippOpString(op), name, (void *)dests, type, mask)); |
| |
| #ifdef __APPLE__ |
| /* |
| * Get the default paper size... |
| */ |
| |
| appleGetPaperSize(media_default, sizeof(media_default)); |
| DEBUG_printf(("1_cupsGetDests: Default media is '%s'.", media_default)); |
| #endif /* __APPLE__ */ |
| |
| /* |
| * Build a IPP_OP_CUPS_GET_PRINTERS or IPP_OP_GET_PRINTER_ATTRIBUTES request, which |
| * require the following attributes: |
| * |
| * attributes-charset |
| * attributes-natural-language |
| * requesting-user-name |
| * printer-uri [for IPP_OP_GET_PRINTER_ATTRIBUTES] |
| */ |
| |
| request = ippNewRequest(op); |
| |
| ippAddStrings(request, IPP_TAG_OPERATION, IPP_TAG_KEYWORD, |
| "requested-attributes", sizeof(pattrs) / sizeof(pattrs[0]), |
| NULL, pattrs); |
| |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_NAME, |
| "requesting-user-name", NULL, cupsUser()); |
| |
| if (name && op != IPP_OP_CUPS_GET_DEFAULT) |
| { |
| httpAssembleURIf(HTTP_URI_CODING_ALL, uri, sizeof(uri), "ipp", NULL, |
| "localhost", ippPort(), "/printers/%s", name); |
| ippAddString(request, IPP_TAG_OPERATION, IPP_TAG_URI, "printer-uri", NULL, |
| uri); |
| } |
| else if (mask) |
| { |
| ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type", (int)type); |
| ippAddInteger(request, IPP_TAG_OPERATION, IPP_TAG_ENUM, "printer-type-mask", (int)mask); |
| } |
| |
| /* |
| * Do the request and get back a response... |
| */ |
| |
| if ((response = cupsDoRequest(http, request, "/")) != NULL) |
| { |
| for (attr = response->attrs; attr != NULL; attr = attr->next) |
| { |
| /* |
| * Skip leading attributes until we hit a printer... |
| */ |
| |
| while (attr != NULL && attr->group_tag != IPP_TAG_PRINTER) |
| attr = attr->next; |
| |
| if (attr == NULL) |
| break; |
| |
| /* |
| * Pull the needed attributes from this printer... |
| */ |
| |
| printer_name = NULL; |
| num_options = 0; |
| options = NULL; |
| |
| for (; attr && attr->group_tag == IPP_TAG_PRINTER; attr = attr->next) |
| { |
| if (attr->value_tag != IPP_TAG_INTEGER && |
| attr->value_tag != IPP_TAG_ENUM && |
| attr->value_tag != IPP_TAG_BOOLEAN && |
| attr->value_tag != IPP_TAG_TEXT && |
| attr->value_tag != IPP_TAG_TEXTLANG && |
| attr->value_tag != IPP_TAG_NAME && |
| attr->value_tag != IPP_TAG_NAMELANG && |
| attr->value_tag != IPP_TAG_KEYWORD && |
| attr->value_tag != IPP_TAG_RANGE && |
| attr->value_tag != IPP_TAG_URI) |
| continue; |
| |
| if (!strcmp(attr->name, "auth-info-required") || |
| !strcmp(attr->name, "device-uri") || |
| !strcmp(attr->name, "marker-change-time") || |
| !strcmp(attr->name, "marker-colors") || |
| !strcmp(attr->name, "marker-high-levels") || |
| !strcmp(attr->name, "marker-levels") || |
| !strcmp(attr->name, "marker-low-levels") || |
| !strcmp(attr->name, "marker-message") || |
| !strcmp(attr->name, "marker-names") || |
| !strcmp(attr->name, "marker-types") || |
| !strcmp(attr->name, "printer-commands") || |
| !strcmp(attr->name, "printer-info") || |
| !strcmp(attr->name, "printer-is-shared") || |
| !strcmp(attr->name, "printer-is-temporary") || |
| !strcmp(attr->name, "printer-make-and-model") || |
| !strcmp(attr->name, "printer-mandatory-job-attributes") || |
| !strcmp(attr->name, "printer-state") || |
| !strcmp(attr->name, "printer-state-change-time") || |
| !strcmp(attr->name, "printer-type") || |
| !strcmp(attr->name, "printer-is-accepting-jobs") || |
| !strcmp(attr->name, "printer-location") || |
| !strcmp(attr->name, "printer-state-reasons") || |
| !strcmp(attr->name, "printer-uri-supported")) |
| { |
| /* |
| * Add a printer description attribute... |
| */ |
| |
| num_options = cupsAddOption(attr->name, |
| cups_make_string(attr, value, |
| sizeof(value)), |
| num_options, &options); |
| } |
| #ifdef __APPLE__ |
| else if (!strcmp(attr->name, "media-supported") && media_default[0]) |
| { |
| /* |
| * See if we can set a default media size... |
| */ |
| |
| int i; /* Looping var */ |
| |
| for (i = 0; i < attr->num_values; i ++) |
| if (!_cups_strcasecmp(media_default, attr->values[i].string.text)) |
| { |
| DEBUG_printf(("1_cupsGetDests: Setting media to '%s'.", media_default)); |
| num_options = cupsAddOption("media", media_default, num_options, &options); |
| break; |
| } |
| } |
| #endif /* __APPLE__ */ |
| else if (!strcmp(attr->name, "printer-name") && |
| attr->value_tag == IPP_TAG_NAME) |
| printer_name = attr->values[0].string.text; |
| else if (strncmp(attr->name, "notify-", 7) && |
| strncmp(attr->name, "print-quality-", 14) && |
| (attr->value_tag == IPP_TAG_BOOLEAN || |
| attr->value_tag == IPP_TAG_ENUM || |
| attr->value_tag == IPP_TAG_INTEGER || |
| attr->value_tag == IPP_TAG_KEYWORD || |
| attr->value_tag == IPP_TAG_NAME || |
| attr->value_tag == IPP_TAG_RANGE) && |
| (ptr = strstr(attr->name, "-default")) != NULL) |
| { |
| /* |
| * Add a default option... |
| */ |
| |
| strlcpy(optname, attr->name, sizeof(optname)); |
| optname[ptr - attr->name] = '\0'; |
| |
| if (_cups_strcasecmp(optname, "media") || !cupsGetOption("media", num_options, options)) |
| num_options = cupsAddOption(optname, cups_make_string(attr, value, sizeof(value)), num_options, &options); |
| } |
| } |
| |
| /* |
| * See if we have everything needed... |
| */ |
| |
| if (!printer_name) |
| { |
| cupsFreeOptions(num_options, options); |
| |
| if (attr == NULL) |
| break; |
| else |
| continue; |
| } |
| |
| if ((dest = cups_add_dest(printer_name, NULL, &num_dests, dests)) != NULL) |
| { |
| dest->num_options = num_options; |
| dest->options = options; |
| } |
| else |
| cupsFreeOptions(num_options, options); |
| |
| if (attr == NULL) |
| break; |
| } |
| |
| ippDelete(response); |
| } |
| |
| /* |
| * Return the count... |
| */ |
| |
| return (num_dests); |
| } |
| |
| |
| /* |
| * 'cupsGetDests()' - Get the list of destinations from the default server. |
| * |
| * Starting with CUPS 1.2, the returned list of destinations include the |
| * "printer-info", "printer-is-accepting-jobs", "printer-is-shared", |
| * "printer-make-and-model", "printer-state", "printer-state-change-time", |
| * "printer-state-reasons", "printer-type", and "printer-uri-supported" |
| * attributes as options. |
| * |
| * CUPS 1.4 adds the "marker-change-time", "marker-colors", |
| * "marker-high-levels", "marker-levels", "marker-low-levels", "marker-message", |
| * "marker-names", "marker-types", and "printer-commands" attributes as options. |
| * |
| * CUPS 2.2 adds accessible IPP printers to the list of destinations that can |
| * be used. The "printer-uri-supported" option will be present for those IPP |
| * printers that have been recently used. |
| * |
| * Use the @link cupsFreeDests@ function to free the destination list and |
| * the @link cupsGetDest@ function to find a particular destination. |
| * |
| * @exclude all@ |
| */ |
| |
| int /* O - Number of destinations */ |
| cupsGetDests(cups_dest_t **dests) /* O - Destinations */ |
| { |
| return (cupsGetDests2(CUPS_HTTP_DEFAULT, dests)); |
| } |
| |
| |
| /* |
| * 'cupsGetDests2()' - Get the list of destinations from the specified server. |
| * |
| * Starting with CUPS 1.2, the returned list of destinations include the |
| * "printer-info", "printer-is-accepting-jobs", "printer-is-shared", |
| * "printer-make-and-model", "printer-state", "printer-state-change-time", |
| * "printer-state-reasons", "printer-type", and "printer-uri-supported" |
| * attributes as options. |
| * |
| * CUPS 1.4 adds the "marker-change-time", "marker-colors", |
| * "marker-high-levels", "marker-levels", "marker-low-levels", "marker-message", |
| * "marker-names", "marker-types", and "printer-commands" attributes as options. |
| * |
| * CUPS 2.2 adds accessible IPP printers to the list of destinations that can |
| * be used. The "printer-uri-supported" option will be present for those IPP |
| * printers that have been recently used. |
| * |
| * Use the @link cupsFreeDests@ function to free the destination list and |
| * the @link cupsGetDest@ function to find a particular destination. |
| * |
| * @since CUPS 1.1.21/macOS 10.4@ |
| */ |
| |
| int /* O - Number of destinations */ |
| cupsGetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
| cups_dest_t **dests) /* O - Destinations */ |
| { |
| _cups_getdata_t data; /* Enumeration data */ |
| cups_dest_t *dest; /* Current destination */ |
| const char *home; /* HOME environment variable */ |
| char filename[1024]; /* Local ~/.cups/lpoptions file */ |
| const char *defprinter; /* Default printer */ |
| char name[1024], /* Copy of printer name */ |
| *instance, /* Pointer to instance name */ |
| *user_default; /* User default printer */ |
| int num_reals; /* Number of real queues */ |
| cups_dest_t *reals; /* Real queues */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
| |
| |
| DEBUG_printf(("cupsGetDests2(http=%p, dests=%p)", (void *)http, (void *)dests)); |
| |
| /* |
| * Range check the input... |
| */ |
| |
| if (!dests) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Bad NULL dests pointer"), 1); |
| DEBUG_puts("1cupsGetDests2: NULL dests pointer, returning 0."); |
| return (0); |
| } |
| |
| /* |
| * Connect to the server as needed... |
| */ |
| |
| if (!http) |
| { |
| if ((http = _cupsConnect()) == NULL) |
| { |
| *dests = NULL; |
| |
| return (0); |
| } |
| } |
| |
| /* |
| * Grab the printers and classes... |
| */ |
| |
| data.num_dests = 0; |
| data.dests = NULL; |
| |
| if (!httpAddrLocalhost(httpGetAddress(http))) |
| { |
| /* |
| * When talking to a remote cupsd, just enumerate printers on the remote |
| * cupsd. |
| */ |
| |
| cups_enum_dests(http, 0, _CUPS_DNSSD_GET_DESTS, NULL, 0, CUPS_PRINTER_DISCOVERED, (cups_dest_cb_t)cups_get_cb, &data); |
| } |
| else |
| { |
| /* |
| * When talking to a local cupsd, enumerate both local printers and ones we |
| * can find on the network... |
| */ |
| |
| cups_enum_dests(http, 0, _CUPS_DNSSD_GET_DESTS, NULL, 0, 0, (cups_dest_cb_t)cups_get_cb, &data); |
| } |
| |
| /* |
| * Make a copy of the "real" queues for a later sanity check... |
| */ |
| |
| if (data.num_dests > 0) |
| { |
| num_reals = data.num_dests; |
| reals = calloc((size_t)num_reals, sizeof(cups_dest_t)); |
| |
| if (reals) |
| memcpy(reals, data.dests, (size_t)num_reals * sizeof(cups_dest_t)); |
| else |
| num_reals = 0; |
| } |
| else |
| { |
| num_reals = 0; |
| reals = NULL; |
| } |
| |
| /* |
| * Grab the default destination... |
| */ |
| |
| if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL) |
| defprinter = name; |
| else if ((defprinter = cupsGetDefault2(http)) != NULL) |
| { |
| strlcpy(name, defprinter, sizeof(name)); |
| defprinter = name; |
| } |
| |
| if (defprinter) |
| { |
| /* |
| * Separate printer and instance name... |
| */ |
| |
| if ((instance = strchr(name, '/')) != NULL) |
| *instance++ = '\0'; |
| |
| /* |
| * Lookup the printer and instance and make it the default... |
| */ |
| |
| if ((dest = cupsGetDest(name, instance, data.num_dests, data.dests)) != NULL) |
| dest->is_default = 1; |
| } |
| else |
| instance = NULL; |
| |
| /* |
| * Load the /etc/cups/lpoptions and ~/.cups/lpoptions files... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot); |
| data.num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL, data.num_dests, &data.dests); |
| |
| if ((home = getenv("HOME")) != NULL) |
| { |
| snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home); |
| |
| data.num_dests = cups_get_dests(filename, NULL, NULL, user_default != NULL, data.num_dests, &data.dests); |
| } |
| |
| /* |
| * Validate the current default destination - this prevents old |
| * Default lines in /etc/cups/lpoptions and ~/.cups/lpoptions from |
| * pointing to a non-existent printer or class... |
| */ |
| |
| if (num_reals) |
| { |
| /* |
| * See if we have a default printer... |
| */ |
| |
| if ((dest = cupsGetDest(NULL, NULL, data.num_dests, data.dests)) != NULL) |
| { |
| /* |
| * Have a default; see if it is real... |
| */ |
| |
| if (!cupsGetDest(dest->name, NULL, num_reals, reals)) |
| { |
| /* |
| * Remove the non-real printer from the list, since we don't want jobs |
| * going to an unexpected printer... (<rdar://problem/14216472>) |
| */ |
| |
| data.num_dests = cupsRemoveDest(dest->name, dest->instance, data.num_dests, &data.dests); |
| } |
| } |
| |
| /* |
| * Free memory... |
| */ |
| |
| free(reals); |
| } |
| |
| /* |
| * Return the number of destinations... |
| */ |
| |
| *dests = data.dests; |
| |
| if (data.num_dests > 0) |
| _cupsSetError(IPP_STATUS_OK, NULL, 0); |
| |
| DEBUG_printf(("1cupsGetDests2: Returning %d destinations.", data.num_dests)); |
| |
| return (data.num_dests); |
| } |
| |
| |
| /* |
| * 'cupsGetNamedDest()' - Get options for the named destination. |
| * |
| * This function is optimized for retrieving a single destination and should |
| * be used instead of @link cupsGetDests2@ and @link cupsGetDest@ when you |
| * either know the name of the destination or want to print to the default |
| * destination. If @code NULL@ is returned, the destination does not exist or |
| * there is no default destination. |
| * |
| * If "http" is @code CUPS_HTTP_DEFAULT@, the connection to the default print |
| * server will be used. |
| * |
| * If "name" is @code NULL@, the default printer for the current user will be |
| * returned. |
| * |
| * The returned destination must be freed using @link cupsFreeDests@ with a |
| * "num_dests" value of 1. |
| * |
| * @since CUPS 1.4/macOS 10.6@ |
| */ |
| |
| cups_dest_t * /* O - Destination or @code NULL@ */ |
| cupsGetNamedDest(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
| const char *name, /* I - Destination name or @code NULL@ for the default destination */ |
| const char *instance) /* I - Instance name or @code NULL@ */ |
| { |
| const char *dest_name; /* Working destination name */ |
| cups_dest_t *dest; /* Destination */ |
| char filename[1024], /* Path to lpoptions */ |
| defname[256]; /* Default printer name */ |
| const char *home = getenv("HOME"); /* Home directory */ |
| int set_as_default = 0; /* Set returned destination as default */ |
| ipp_op_t op = IPP_OP_GET_PRINTER_ATTRIBUTES; |
| /* IPP operation to get server ops */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
| |
| |
| DEBUG_printf(("cupsGetNamedDest(http=%p, name=\"%s\", instance=\"%s\")", (void *)http, name, instance)); |
| |
| /* |
| * If "name" is NULL, find the default destination... |
| */ |
| |
| dest_name = name; |
| |
| if (!dest_name) |
| { |
| set_as_default = 1; |
| dest_name = _cupsUserDefault(defname, sizeof(defname)); |
| |
| if (dest_name) |
| { |
| char *ptr; /* Temporary pointer... */ |
| |
| if ((ptr = strchr(defname, '/')) != NULL) |
| { |
| *ptr++ = '\0'; |
| instance = ptr; |
| } |
| else |
| instance = NULL; |
| } |
| else if (home) |
| { |
| /* |
| * No default in the environment, try the user's lpoptions files... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home); |
| |
| dest_name = cups_get_default(filename, defname, sizeof(defname), &instance); |
| } |
| |
| if (!dest_name) |
| { |
| /* |
| * Still not there? Try the system lpoptions file... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot); |
| dest_name = cups_get_default(filename, defname, sizeof(defname), &instance); |
| } |
| |
| if (!dest_name) |
| { |
| /* |
| * No locally-set default destination, ask the server... |
| */ |
| |
| op = IPP_OP_CUPS_GET_DEFAULT; |
| |
| DEBUG_puts("1cupsGetNamedDest: Asking server for default printer..."); |
| } |
| else |
| DEBUG_printf(("1cupsGetNamedDest: Using name=\"%s\"...", name)); |
| } |
| |
| /* |
| * Get the printer's attributes... |
| */ |
| |
| if (!_cupsGetDests(http, op, dest_name, &dest, 0, 0)) |
| { |
| if (name) |
| { |
| _cups_namedata_t data; /* Callback data */ |
| |
| DEBUG_puts("1cupsGetNamedDest: No queue found for printer, looking on network..."); |
| |
| data.name = name; |
| data.dest = NULL; |
| |
| cupsEnumDests(0, 1000, NULL, 0, 0, (cups_dest_cb_t)cups_name_cb, &data); |
| |
| if (!data.dest) |
| return (NULL); |
| |
| dest = data.dest; |
| } |
| else |
| return (NULL); |
| } |
| |
| DEBUG_printf(("1cupsGetNamedDest: Got dest=%p", (void *)dest)); |
| |
| if (instance) |
| dest->instance = _cupsStrAlloc(instance); |
| |
| if (set_as_default) |
| dest->is_default = 1; |
| |
| /* |
| * Then add local options... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot); |
| cups_get_dests(filename, dest_name, instance, 1, 1, &dest); |
| |
| if (home) |
| { |
| snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home); |
| |
| cups_get_dests(filename, dest_name, instance, 1, 1, &dest); |
| } |
| |
| /* |
| * Return the result... |
| */ |
| |
| return (dest); |
| } |
| |
| |
| /* |
| * 'cupsRemoveDest()' - Remove a destination from the destination list. |
| * |
| * Removing a destination/instance does not delete the class or printer |
| * queue, merely the lpoptions for that destination/instance. Use the |
| * @link cupsSetDests@ or @link cupsSetDests2@ functions to save the new |
| * options for the user. |
| * |
| * @since CUPS 1.3/macOS 10.5@ |
| */ |
| |
| int /* O - New number of destinations */ |
| cupsRemoveDest(const char *name, /* I - Destination name */ |
| const char *instance, /* I - Instance name or @code NULL@ */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t **dests) /* IO - Destinations */ |
| { |
| int i; /* Index into destinations */ |
| cups_dest_t *dest; /* Pointer to destination */ |
| |
| |
| /* |
| * Find the destination... |
| */ |
| |
| if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL) |
| return (num_dests); |
| |
| /* |
| * Free memory... |
| */ |
| |
| _cupsStrFree(dest->name); |
| _cupsStrFree(dest->instance); |
| cupsFreeOptions(dest->num_options, dest->options); |
| |
| /* |
| * Remove the destination from the array... |
| */ |
| |
| num_dests --; |
| |
| i = (int)(dest - *dests); |
| |
| if (i < num_dests) |
| memmove(dest, dest + 1, (size_t)(num_dests - i) * sizeof(cups_dest_t)); |
| |
| return (num_dests); |
| } |
| |
| |
| /* |
| * 'cupsSetDefaultDest()' - Set the default destination. |
| * |
| * @since CUPS 1.3/macOS 10.5@ |
| */ |
| |
| void |
| cupsSetDefaultDest( |
| const char *name, /* I - Destination name */ |
| const char *instance, /* I - Instance name or @code NULL@ */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests) /* I - Destinations */ |
| { |
| int i; /* Looping var */ |
| cups_dest_t *dest; /* Current destination */ |
| |
| |
| /* |
| * Range check input... |
| */ |
| |
| if (!name || num_dests <= 0 || !dests) |
| return; |
| |
| /* |
| * Loop through the array and set the "is_default" flag for the matching |
| * destination... |
| */ |
| |
| for (i = num_dests, dest = dests; i > 0; i --, dest ++) |
| dest->is_default = !_cups_strcasecmp(name, dest->name) && |
| ((!instance && !dest->instance) || |
| (instance && dest->instance && |
| !_cups_strcasecmp(instance, dest->instance))); |
| } |
| |
| |
| /* |
| * 'cupsSetDests()' - Save the list of destinations for the default server. |
| * |
| * This function saves the destinations to /etc/cups/lpoptions when run |
| * as root and ~/.cups/lpoptions when run as a normal user. |
| * |
| * @exclude all@ |
| */ |
| |
| void |
| cupsSetDests(int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests) /* I - Destinations */ |
| { |
| cupsSetDests2(CUPS_HTTP_DEFAULT, num_dests, dests); |
| } |
| |
| |
| /* |
| * 'cupsSetDests2()' - Save the list of destinations for the specified server. |
| * |
| * This function saves the destinations to /etc/cups/lpoptions when run |
| * as root and ~/.cups/lpoptions when run as a normal user. |
| * |
| * @since CUPS 1.1.21/macOS 10.4@ |
| */ |
| |
| int /* O - 0 on success, -1 on error */ |
| cupsSetDests2(http_t *http, /* I - Connection to server or @code CUPS_HTTP_DEFAULT@ */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests) /* I - Destinations */ |
| { |
| int i, j; /* Looping vars */ |
| int wrote; /* Wrote definition? */ |
| cups_dest_t *dest; /* Current destination */ |
| cups_option_t *option; /* Current option */ |
| _ipp_option_t *match; /* Matching attribute for option */ |
| FILE *fp; /* File pointer */ |
| #ifndef WIN32 |
| const char *home; /* HOME environment variable */ |
| #endif /* WIN32 */ |
| char filename[1024]; /* lpoptions file */ |
| int num_temps; /* Number of temporary destinations */ |
| cups_dest_t *temps = NULL, /* Temporary destinations */ |
| *temp; /* Current temporary dest */ |
| const char *val; /* Value of temporary option */ |
| _cups_globals_t *cg = _cupsGlobals(); /* Pointer to library globals */ |
| |
| |
| /* |
| * Range check the input... |
| */ |
| |
| if (!num_dests || !dests) |
| return (-1); |
| |
| /* |
| * Get the server destinations... |
| */ |
| |
| num_temps = _cupsGetDests(http, IPP_OP_CUPS_GET_PRINTERS, NULL, &temps, 0, 0); |
| |
| if (cupsLastError() >= IPP_STATUS_REDIRECTION_OTHER_SITE) |
| { |
| cupsFreeDests(num_temps, temps); |
| return (-1); |
| } |
| |
| /* |
| * Figure out which file to write to... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/lpoptions", cg->cups_serverroot); |
| |
| #ifndef WIN32 |
| if (getuid()) |
| { |
| /* |
| * Merge in server defaults... |
| */ |
| |
| num_temps = cups_get_dests(filename, NULL, NULL, 0, num_temps, &temps); |
| |
| /* |
| * Point to user defaults... |
| */ |
| |
| if ((home = getenv("HOME")) != NULL) |
| { |
| /* |
| * Create ~/.cups subdirectory... |
| */ |
| |
| snprintf(filename, sizeof(filename), "%s/.cups", home); |
| if (access(filename, 0)) |
| mkdir(filename, 0700); |
| |
| snprintf(filename, sizeof(filename), "%s/.cups/lpoptions", home); |
| } |
| } |
| #endif /* !WIN32 */ |
| |
| /* |
| * Try to open the file... |
| */ |
| |
| if ((fp = fopen(filename, "w")) == NULL) |
| { |
| cupsFreeDests(num_temps, temps); |
| return (-1); |
| } |
| |
| #ifndef WIN32 |
| /* |
| * Set the permissions to 0644 when saving to the /etc/cups/lpoptions |
| * file... |
| */ |
| |
| if (!getuid()) |
| fchmod(fileno(fp), 0644); |
| #endif /* !WIN32 */ |
| |
| /* |
| * Write each printer; each line looks like: |
| * |
| * Dest name[/instance] options |
| * Default name[/instance] options |
| */ |
| |
| for (i = num_dests, dest = dests; i > 0; i --, dest ++) |
| if (dest->instance != NULL || dest->num_options != 0 || dest->is_default) |
| { |
| if (dest->is_default) |
| { |
| fprintf(fp, "Default %s", dest->name); |
| if (dest->instance) |
| fprintf(fp, "/%s", dest->instance); |
| |
| wrote = 1; |
| } |
| else |
| wrote = 0; |
| |
| if ((temp = cupsGetDest(dest->name, dest->instance, num_temps, temps)) == NULL) |
| temp = cupsGetDest(dest->name, NULL, num_temps, temps); |
| |
| for (j = dest->num_options, option = dest->options; j > 0; j --, option ++) |
| { |
| /* |
| * See if this option is a printer attribute; if so, skip it... |
| */ |
| |
| if ((match = _ippFindOption(option->name)) != NULL && |
| match->group_tag == IPP_TAG_PRINTER) |
| continue; |
| |
| /* |
| * See if the server/global options match these; if so, don't |
| * write 'em. |
| */ |
| |
| if (temp && |
| (val = cupsGetOption(option->name, temp->num_options, |
| temp->options)) != NULL && |
| !_cups_strcasecmp(val, option->value)) |
| continue; |
| |
| /* |
| * Options don't match, write to the file... |
| */ |
| |
| if (!wrote) |
| { |
| fprintf(fp, "Dest %s", dest->name); |
| if (dest->instance) |
| fprintf(fp, "/%s", dest->instance); |
| wrote = 1; |
| } |
| |
| if (option->value[0]) |
| { |
| if (strchr(option->value, ' ') || |
| strchr(option->value, '\\') || |
| strchr(option->value, '\"') || |
| strchr(option->value, '\'')) |
| { |
| /* |
| * Quote the value... |
| */ |
| |
| fprintf(fp, " %s=\"", option->name); |
| |
| for (val = option->value; *val; val ++) |
| { |
| if (strchr("\"\'\\", *val)) |
| putc('\\', fp); |
| |
| putc(*val, fp); |
| } |
| |
| putc('\"', fp); |
| } |
| else |
| { |
| /* |
| * Store the literal value... |
| */ |
| |
| fprintf(fp, " %s=%s", option->name, option->value); |
| } |
| } |
| else |
| fprintf(fp, " %s", option->name); |
| } |
| |
| if (wrote) |
| fputs("\n", fp); |
| } |
| |
| /* |
| * Free the temporary destinations and close the file... |
| */ |
| |
| cupsFreeDests(num_temps, temps); |
| |
| fclose(fp); |
| |
| #ifdef __APPLE__ |
| /* |
| * Set the default printer for this location - this allows command-line |
| * and GUI applications to share the same default destination... |
| */ |
| |
| if ((dest = cupsGetDest(NULL, NULL, num_dests, dests)) != NULL) |
| { |
| CFStringRef name = CFStringCreateWithCString(kCFAllocatorDefault, |
| dest->name, |
| kCFStringEncodingUTF8); |
| /* Default printer name */ |
| |
| if (name) |
| { |
| _cupsAppleSetDefaultPrinter(name); |
| CFRelease(name); |
| } |
| } |
| #endif /* __APPLE__ */ |
| |
| #ifdef HAVE_NOTIFY_POST |
| /* |
| * Send a notification so that macOS applications can know about the |
| * change, too. |
| */ |
| |
| notify_post("com.apple.printerListChange"); |
| #endif /* HAVE_NOTIFY_POST */ |
| |
| return (0); |
| } |
| |
| |
| /* |
| * '_cupsUserDefault()' - Get the user default printer from environment |
| * variables and location information. |
| */ |
| |
| char * /* O - Default printer or NULL */ |
| _cupsUserDefault(char *name, /* I - Name buffer */ |
| size_t namesize) /* I - Size of name buffer */ |
| { |
| const char *env; /* LPDEST or PRINTER env variable */ |
| #ifdef __APPLE__ |
| CFStringRef locprinter; /* Last printer as this location */ |
| #endif /* __APPLE__ */ |
| |
| |
| if ((env = getenv("LPDEST")) == NULL) |
| if ((env = getenv("PRINTER")) != NULL && !strcmp(env, "lp")) |
| env = NULL; |
| |
| if (env) |
| { |
| strlcpy(name, env, namesize); |
| return (name); |
| } |
| |
| #ifdef __APPLE__ |
| /* |
| * Use location-based defaults if "use last printer" is selected in the |
| * system preferences... |
| */ |
| |
| if ((locprinter = _cupsAppleCopyDefaultPrinter()) != NULL) |
| { |
| CFStringGetCString(locprinter, name, (CFIndex)namesize, kCFStringEncodingUTF8); |
| CFRelease(locprinter); |
| } |
| else |
| name[0] = '\0'; |
| |
| DEBUG_printf(("1_cupsUserDefault: Returning \"%s\".", name)); |
| |
| return (*name ? name : NULL); |
| |
| #else |
| /* |
| * No location-based defaults on this platform... |
| */ |
| |
| name[0] = '\0'; |
| return (NULL); |
| #endif /* __APPLE__ */ |
| } |
| |
| |
| #if _CUPS_LOCATION_DEFAULTS |
| /* |
| * 'appleCopyLocations()' - Copy the location history array. |
| */ |
| |
| static CFArrayRef /* O - Location array or NULL */ |
| appleCopyLocations(void) |
| { |
| CFArrayRef locations; /* Location array */ |
| |
| |
| /* |
| * Look up the location array in the preferences... |
| */ |
| |
| if ((locations = CFPreferencesCopyAppValue(kLastUsedPrintersKey, |
| kCUPSPrintingPrefs)) == NULL) |
| return (NULL); |
| |
| if (CFGetTypeID(locations) != CFArrayGetTypeID()) |
| { |
| CFRelease(locations); |
| return (NULL); |
| } |
| |
| return (locations); |
| } |
| |
| |
| /* |
| * 'appleCopyNetwork()' - Get the network ID for the current location. |
| */ |
| |
| static CFStringRef /* O - Network ID */ |
| appleCopyNetwork(void) |
| { |
| SCDynamicStoreRef dynamicStore; /* System configuration data */ |
| CFStringRef key; /* Current network configuration key */ |
| CFDictionaryRef ip_dict; /* Network configuration data */ |
| CFStringRef network = NULL; /* Current network ID */ |
| |
| |
| if ((dynamicStore = SCDynamicStoreCreate(NULL, CFSTR("libcups"), NULL, |
| NULL)) != NULL) |
| { |
| /* |
| * First use the IPv6 router address, if available, since that will generally |
| * be a globally-unique link-local address. |
| */ |
| |
| if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity( |
| NULL, kSCDynamicStoreDomainState, kSCEntNetIPv6)) != NULL) |
| { |
| if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL) |
| { |
| if ((network = CFDictionaryGetValue(ip_dict, |
| kSCPropNetIPv6Router)) != NULL) |
| CFRetain(network); |
| |
| CFRelease(ip_dict); |
| } |
| |
| CFRelease(key); |
| } |
| |
| /* |
| * If that doesn't work, try the IPv4 router address. This isn't as unique |
| * and will likely be a 10.x.y.z or 192.168.y.z address... |
| */ |
| |
| if (!network) |
| { |
| if ((key = SCDynamicStoreKeyCreateNetworkGlobalEntity( |
| NULL, kSCDynamicStoreDomainState, kSCEntNetIPv4)) != NULL) |
| { |
| if ((ip_dict = SCDynamicStoreCopyValue(dynamicStore, key)) != NULL) |
| { |
| if ((network = CFDictionaryGetValue(ip_dict, |
| kSCPropNetIPv4Router)) != NULL) |
| CFRetain(network); |
| |
| CFRelease(ip_dict); |
| } |
| |
| CFRelease(key); |
| } |
| } |
| |
| CFRelease(dynamicStore); |
| } |
| |
| return (network); |
| } |
| #endif /* _CUPS_LOCATION_DEFAULTS */ |
| |
| |
| #ifdef __APPLE__ |
| /* |
| * 'appleGetPaperSize()' - Get the default paper size. |
| */ |
| |
| static char * /* O - Default paper size */ |
| appleGetPaperSize(char *name, /* I - Paper size name buffer */ |
| size_t namesize) /* I - Size of buffer */ |
| { |
| CFStringRef defaultPaperID; /* Default paper ID */ |
| pwg_media_t *pwgmedia; /* PWG media size */ |
| |
| |
| defaultPaperID = _cupsAppleCopyDefaultPaperID(); |
| if (!defaultPaperID || |
| CFGetTypeID(defaultPaperID) != CFStringGetTypeID() || |
| !CFStringGetCString(defaultPaperID, name, (CFIndex)namesize, kCFStringEncodingUTF8)) |
| name[0] = '\0'; |
| else if ((pwgmedia = pwgMediaForLegacy(name)) != NULL) |
| strlcpy(name, pwgmedia->pwg, namesize); |
| |
| if (defaultPaperID) |
| CFRelease(defaultPaperID); |
| |
| return (name); |
| } |
| #endif /* __APPLE__ */ |
| |
| |
| #if _CUPS_LOCATION_DEFAULTS |
| /* |
| * 'appleGetPrinter()' - Get a printer from the history array. |
| */ |
| |
| static CFStringRef /* O - Printer name or NULL */ |
| appleGetPrinter(CFArrayRef locations, /* I - Location array */ |
| CFStringRef network, /* I - Network name */ |
| CFIndex *locindex) /* O - Index in array */ |
| { |
| CFIndex i, /* Looping var */ |
| count; /* Number of locations */ |
| CFDictionaryRef location; /* Current location */ |
| CFStringRef locnetwork, /* Current network */ |
| locprinter; /* Current printer */ |
| |
| |
| for (i = 0, count = CFArrayGetCount(locations); i < count; i ++) |
| if ((location = CFArrayGetValueAtIndex(locations, i)) != NULL && |
| CFGetTypeID(location) == CFDictionaryGetTypeID()) |
| { |
| if ((locnetwork = CFDictionaryGetValue(location, |
| kLocationNetworkKey)) != NULL && |
| CFGetTypeID(locnetwork) == CFStringGetTypeID() && |
| CFStringCompare(network, locnetwork, 0) == kCFCompareEqualTo && |
| (locprinter = CFDictionaryGetValue(location, |
| kLocationPrinterIDKey)) != NULL && |
| CFGetTypeID(locprinter) == CFStringGetTypeID()) |
| { |
| if (locindex) |
| *locindex = i; |
| |
| return (locprinter); |
| } |
| } |
| |
| return (NULL); |
| } |
| #endif /* _CUPS_LOCATION_DEFAULTS */ |
| |
| |
| /* |
| * 'cups_add_dest()' - Add a destination to the array. |
| * |
| * Unlike cupsAddDest(), this function does not check for duplicates. |
| */ |
| |
| static cups_dest_t * /* O - New destination */ |
| cups_add_dest(const char *name, /* I - Name of destination */ |
| const char *instance, /* I - Instance or NULL */ |
| int *num_dests, /* IO - Number of destinations */ |
| cups_dest_t **dests) /* IO - Destinations */ |
| { |
| int insert, /* Insertion point */ |
| diff; /* Result of comparison */ |
| cups_dest_t *dest; /* Destination pointer */ |
| |
| |
| /* |
| * Add new destination... |
| */ |
| |
| if (*num_dests == 0) |
| dest = malloc(sizeof(cups_dest_t)); |
| else |
| dest = realloc(*dests, sizeof(cups_dest_t) * (size_t)(*num_dests + 1)); |
| |
| if (!dest) |
| return (NULL); |
| |
| *dests = dest; |
| |
| /* |
| * Find where to insert the destination... |
| */ |
| |
| if (*num_dests == 0) |
| insert = 0; |
| else |
| { |
| insert = cups_find_dest(name, instance, *num_dests, *dests, *num_dests - 1, |
| &diff); |
| |
| if (diff > 0) |
| insert ++; |
| } |
| |
| /* |
| * Move the array elements as needed... |
| */ |
| |
| if (insert < *num_dests) |
| memmove(*dests + insert + 1, *dests + insert, (size_t)(*num_dests - insert) * sizeof(cups_dest_t)); |
| |
| (*num_dests) ++; |
| |
| /* |
| * Initialize the destination... |
| */ |
| |
| dest = *dests + insert; |
| dest->name = _cupsStrAlloc(name); |
| dest->instance = _cupsStrAlloc(instance); |
| dest->is_default = 0; |
| dest->num_options = 0; |
| dest->options = (cups_option_t *)0; |
| |
| return (dest); |
| } |
| |
| |
| # ifdef __BLOCKS__ |
| /* |
| * 'cups_block_cb()' - Enumeration callback for block API. |
| */ |
| |
| static int /* O - 1 to continue, 0 to stop */ |
| cups_block_cb( |
| cups_dest_block_t block, /* I - Block */ |
| unsigned flags, /* I - Destination flags */ |
| cups_dest_t *dest) /* I - Destination */ |
| { |
| return ((block)(flags, dest)); |
| } |
| # endif /* __BLOCKS__ */ |
| |
| |
| /* |
| * 'cups_compare_dests()' - Compare two destinations. |
| */ |
| |
| static int /* O - Result of comparison */ |
| cups_compare_dests(cups_dest_t *a, /* I - First destination */ |
| cups_dest_t *b) /* I - Second destination */ |
| { |
| int diff; /* Difference */ |
| |
| |
| if ((diff = _cups_strcasecmp(a->name, b->name)) != 0) |
| return (diff); |
| else if (a->instance && b->instance) |
| return (_cups_strcasecmp(a->instance, b->instance)); |
| else |
| return ((a->instance && !b->instance) - (!a->instance && b->instance)); |
| } |
| |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| # ifdef HAVE_DNSSD |
| /* |
| * 'cups_dnssd_browse_cb()' - Browse for printers. |
| */ |
| |
| static void |
| cups_dnssd_browse_cb( |
| DNSServiceRef sdRef, /* I - Service reference */ |
| DNSServiceFlags flags, /* I - Option flags */ |
| uint32_t interfaceIndex, /* I - Interface number */ |
| DNSServiceErrorType errorCode, /* I - Error, if any */ |
| const char *serviceName, /* I - Name of service/device */ |
| const char *regtype, /* I - Type of service */ |
| const char *replyDomain, /* I - Service domain */ |
| void *context) /* I - Enumeration data */ |
| { |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| |
| |
| DEBUG_printf(("5cups_dnssd_browse_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\", context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, serviceName, regtype, replyDomain, context)); |
| |
| /* |
| * Don't do anything on error... |
| */ |
| |
| if (errorCode != kDNSServiceErr_NoError) |
| return; |
| |
| /* |
| * Get the device... |
| */ |
| |
| cups_dnssd_get_device(data, serviceName, regtype, replyDomain); |
| } |
| |
| |
| # else /* HAVE_AVAHI */ |
| /* |
| * 'cups_dnssd_browse_cb()' - Browse for printers. |
| */ |
| |
| static void |
| cups_dnssd_browse_cb( |
| AvahiServiceBrowser *browser, /* I - Browser */ |
| AvahiIfIndex interface, /* I - Interface index (unused) */ |
| AvahiProtocol protocol, /* I - Network protocol (unused) */ |
| AvahiBrowserEvent event, /* I - What happened */ |
| const char *name, /* I - Service name */ |
| const char *type, /* I - Registration type */ |
| const char *domain, /* I - Domain */ |
| AvahiLookupResultFlags flags, /* I - Flags */ |
| void *context) /* I - Devices array */ |
| { |
| #ifdef DEBUG |
| AvahiClient *client = avahi_service_browser_get_client(browser); |
| /* Client information */ |
| #endif /* DEBUG */ |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| |
| |
| (void)interface; |
| (void)protocol; |
| (void)context; |
| |
| DEBUG_printf(("cups_dnssd_browse_cb(..., name=\"%s\", type=\"%s\", domain=\"%s\", ...);", name, type, domain)); |
| |
| switch (event) |
| { |
| case AVAHI_BROWSER_FAILURE: |
| DEBUG_printf(("cups_dnssd_browse_cb: %s", avahi_strerror(avahi_client_errno(client)))); |
| avahi_simple_poll_quit(data->simple_poll); |
| break; |
| |
| case AVAHI_BROWSER_NEW: |
| /* |
| * This object is new on the network. |
| */ |
| |
| if (flags & AVAHI_LOOKUP_RESULT_LOCAL) |
| { |
| /* |
| * This comes from the local machine so ignore it. |
| */ |
| |
| DEBUG_printf(("cups_dnssd_browse_cb: Ignoring local service \"%s\".", name)); |
| } |
| else |
| { |
| /* |
| * Create a device entry for it if it doesn't yet exist. |
| */ |
| |
| cups_dnssd_get_device(data, name, type, domain); |
| } |
| break; |
| |
| case AVAHI_BROWSER_REMOVE : |
| case AVAHI_BROWSER_CACHE_EXHAUSTED : |
| break; |
| |
| case AVAHI_BROWSER_ALL_FOR_NOW : |
| DEBUG_puts("cups_dnssd_browse_cb: ALL_FOR_NOW"); |
| data->browsers --; |
| break; |
| } |
| } |
| |
| |
| /* |
| * 'cups_dnssd_client_cb()' - Avahi client callback function. |
| */ |
| |
| static void |
| cups_dnssd_client_cb( |
| AvahiClient *client, /* I - Client information (unused) */ |
| AvahiClientState state, /* I - Current state */ |
| void *context) /* I - User data (unused) */ |
| { |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| |
| |
| (void)client; |
| |
| DEBUG_printf(("cups_dnssd_client_cb(client=%p, state=%d, context=%p)", client, state, context)); |
| |
| /* |
| * If the connection drops, quit. |
| */ |
| |
| if (state == AVAHI_CLIENT_FAILURE) |
| { |
| DEBUG_puts("cups_dnssd_client_cb: Avahi connection failed."); |
| avahi_simple_poll_quit(data->simple_poll); |
| } |
| } |
| # endif /* HAVE_DNSSD */ |
| |
| |
| /* |
| * 'cups_dnssd_compare_device()' - Compare two devices. |
| */ |
| |
| static int /* O - Result of comparison */ |
| cups_dnssd_compare_devices( |
| _cups_dnssd_device_t *a, /* I - First device */ |
| _cups_dnssd_device_t *b) /* I - Second device */ |
| { |
| return (strcmp(a->dest.name, b->dest.name)); |
| } |
| |
| |
| /* |
| * 'cups_dnssd_free_device()' - Free the memory used by a device. |
| */ |
| |
| static void |
| cups_dnssd_free_device( |
| _cups_dnssd_device_t *device, /* I - Device */ |
| _cups_dnssd_data_t *data) /* I - Enumeration data */ |
| { |
| DEBUG_printf(("5cups_dnssd_free_device(device=%p(%s), data=%p)", (void *)device, device->dest.name, (void *)data)); |
| |
| # ifdef HAVE_DNSSD |
| if (device->ref) |
| DNSServiceRefDeallocate(device->ref); |
| # else /* HAVE_AVAHI */ |
| if (device->ref) |
| avahi_record_browser_free(device->ref); |
| # endif /* HAVE_DNSSD */ |
| |
| _cupsStrFree(device->domain); |
| _cupsStrFree(device->fullName); |
| _cupsStrFree(device->regtype); |
| _cupsStrFree(device->dest.name); |
| |
| cupsFreeOptions(device->dest.num_options, device->dest.options); |
| |
| free(device); |
| } |
| |
| |
| /* |
| * 'cups_dnssd_get_device()' - Lookup a device and create it as needed. |
| */ |
| |
| static _cups_dnssd_device_t * /* O - Device */ |
| cups_dnssd_get_device( |
| _cups_dnssd_data_t *data, /* I - Enumeration data */ |
| const char *serviceName, /* I - Service name */ |
| const char *regtype, /* I - Registration type */ |
| const char *replyDomain) /* I - Domain name */ |
| { |
| _cups_dnssd_device_t key, /* Search key */ |
| *device; /* Device */ |
| char fullName[kDNSServiceMaxDomainName], |
| /* Full name for query */ |
| name[128]; /* Queue name */ |
| |
| |
| DEBUG_printf(("5cups_dnssd_get_device(data=%p, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\")", (void *)data, serviceName, regtype, replyDomain)); |
| |
| /* |
| * See if this is an existing device... |
| */ |
| |
| cups_queue_name(name, serviceName, sizeof(name)); |
| |
| key.dest.name = name; |
| |
| if ((device = cupsArrayFind(data->devices, &key)) != NULL) |
| { |
| /* |
| * Yes, see if we need to do anything with this... |
| */ |
| |
| int update = 0; /* Non-zero if we need to update */ |
| |
| if (!_cups_strcasecmp(replyDomain, "local.") && |
| _cups_strcasecmp(device->domain, replyDomain)) |
| { |
| /* |
| * Update the "global" listing to use the .local domain name instead. |
| */ |
| |
| _cupsStrFree(device->domain); |
| device->domain = _cupsStrAlloc(replyDomain); |
| |
| DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use local " |
| "domain.", device->dest.name)); |
| |
| update = 1; |
| } |
| |
| if (!_cups_strcasecmp(regtype, "_ipps._tcp") && |
| _cups_strcasecmp(device->regtype, regtype)) |
| { |
| /* |
| * Prefer IPPS over IPP. |
| */ |
| |
| _cupsStrFree(device->regtype); |
| device->regtype = _cupsStrAlloc(regtype); |
| |
| DEBUG_printf(("6cups_dnssd_get_device: Updating '%s' to use IPPS.", |
| device->dest.name)); |
| |
| update = 1; |
| } |
| |
| if (!update) |
| { |
| DEBUG_printf(("6cups_dnssd_get_device: No changes to '%s'.", |
| device->dest.name)); |
| return (device); |
| } |
| } |
| else |
| { |
| /* |
| * No, add the device... |
| */ |
| |
| DEBUG_printf(("6cups_dnssd_get_device: Adding '%s' for %s with domain " |
| "'%s'.", serviceName, |
| !strcmp(regtype, "_ipps._tcp") ? "IPPS" : "IPP", |
| replyDomain)); |
| |
| device = calloc(sizeof(_cups_dnssd_device_t), 1); |
| device->dest.name = _cupsStrAlloc(name); |
| device->domain = _cupsStrAlloc(replyDomain); |
| device->regtype = _cupsStrAlloc(regtype); |
| |
| device->dest.num_options = cupsAddOption("printer-info", serviceName, 0, &device->dest.options); |
| |
| cupsArrayAdd(data->devices, device); |
| } |
| |
| /* |
| * Set the "full name" of this service, which is used for queries... |
| */ |
| |
| # ifdef HAVE_DNSSD |
| DNSServiceConstructFullName(fullName, serviceName, regtype, replyDomain); |
| # else /* HAVE_AVAHI */ |
| avahi_service_name_join(fullName, kDNSServiceMaxDomainName, serviceName, regtype, replyDomain); |
| # endif /* HAVE_DNSSD */ |
| |
| _cupsStrFree(device->fullName); |
| device->fullName = _cupsStrAlloc(fullName); |
| |
| if (device->ref) |
| { |
| # ifdef HAVE_DNSSD |
| DNSServiceRefDeallocate(device->ref); |
| # else /* HAVE_AVAHI */ |
| avahi_record_browser_free(device->ref); |
| # endif /* HAVE_DNSSD */ |
| |
| device->ref = 0; |
| } |
| |
| if (device->state == _CUPS_DNSSD_ACTIVE) |
| { |
| DEBUG_printf(("6cups_dnssd_get_device: Remove callback for \"%s\".", device->dest.name)); |
| |
| (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest); |
| device->state = _CUPS_DNSSD_NEW; |
| } |
| |
| return (device); |
| } |
| |
| |
| # ifdef HAVE_DNSSD |
| /* |
| * 'cups_dnssd_local_cb()' - Browse for local printers. |
| */ |
| |
| static void |
| cups_dnssd_local_cb( |
| DNSServiceRef sdRef, /* I - Service reference */ |
| DNSServiceFlags flags, /* I - Option flags */ |
| uint32_t interfaceIndex, /* I - Interface number */ |
| DNSServiceErrorType errorCode, /* I - Error, if any */ |
| const char *serviceName, /* I - Name of service/device */ |
| const char *regtype, /* I - Type of service */ |
| const char *replyDomain, /* I - Service domain */ |
| void *context) /* I - Devices array */ |
| { |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| _cups_dnssd_device_t *device; /* Device */ |
| |
| |
| DEBUG_printf(("5cups_dnssd_local_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, serviceName=\"%s\", regtype=\"%s\", replyDomain=\"%s\", context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, serviceName, regtype, replyDomain, context)); |
| |
| /* |
| * Only process "add" data... |
| */ |
| |
| if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd)) |
| return; |
| |
| /* |
| * Get the device... |
| */ |
| |
| device = cups_dnssd_get_device(data, serviceName, regtype, replyDomain); |
| |
| /* |
| * Hide locally-registered devices... |
| */ |
| |
| DEBUG_printf(("6cups_dnssd_local_cb: Hiding local printer '%s'.", |
| serviceName)); |
| |
| if (device->ref) |
| { |
| DNSServiceRefDeallocate(device->ref); |
| device->ref = 0; |
| } |
| |
| if (device->state == _CUPS_DNSSD_ACTIVE) |
| { |
| DEBUG_printf(("6cups_dnssd_local_cb: Remove callback for \"%s\".", device->dest.name)); |
| (*data->cb)(data->user_data, CUPS_DEST_FLAGS_REMOVED, &device->dest); |
| } |
| |
| device->state = _CUPS_DNSSD_LOCAL; |
| } |
| # endif /* HAVE_DNSSD */ |
| |
| |
| # ifdef HAVE_AVAHI |
| /* |
| * 'cups_dnssd_poll_cb()' - Wait for input on the specified file descriptors. |
| * |
| * Note: This function is needed because avahi_simple_poll_iterate is broken |
| * and always uses a timeout of 0 (!) milliseconds. |
| * (https://github.com/lathiat/avahi/issues/127) |
| * |
| * @private@ |
| */ |
| |
| static int /* O - Number of file descriptors matching */ |
| cups_dnssd_poll_cb( |
| struct pollfd *pollfds, /* I - File descriptors */ |
| unsigned int num_pollfds, /* I - Number of file descriptors */ |
| int timeout, /* I - Timeout in milliseconds (unused) */ |
| void *context) /* I - User data (unused) */ |
| { |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| int val; /* Return value */ |
| |
| |
| DEBUG_printf(("cups_dnssd_poll_cb(pollfds=%p, num_pollfds=%d, timeout=%d, context=%p)", pollfds, num_pollfds, timeout, context)); |
| |
| (void)timeout; |
| |
| val = poll(pollfds, num_pollfds, _CUPS_DNSSD_MAXTIME); |
| |
| DEBUG_printf(("cups_dnssd_poll_cb: poll() returned %d", val)); |
| |
| if (val < 0) |
| { |
| DEBUG_printf(("cups_dnssd_poll_cb: %s", strerror(errno))); |
| } |
| else if (val > 0) |
| { |
| data->got_data = 1; |
| } |
| |
| return (val); |
| } |
| # endif /* HAVE_AVAHI */ |
| |
| |
| /* |
| * 'cups_dnssd_query_cb()' - Process query data. |
| */ |
| |
| # ifdef HAVE_DNSSD |
| static void |
| cups_dnssd_query_cb( |
| DNSServiceRef sdRef, /* I - Service reference */ |
| DNSServiceFlags flags, /* I - Data flags */ |
| uint32_t interfaceIndex, /* I - Interface */ |
| DNSServiceErrorType errorCode, /* I - Error, if any */ |
| const char *fullName, /* I - Full service name */ |
| uint16_t rrtype, /* I - Record type */ |
| uint16_t rrclass, /* I - Record class */ |
| uint16_t rdlen, /* I - Length of record data */ |
| const void *rdata, /* I - Record data */ |
| uint32_t ttl, /* I - Time-to-live */ |
| void *context) /* I - Enumeration data */ |
| { |
| # else /* HAVE_AVAHI */ |
| static void |
| cups_dnssd_query_cb( |
| AvahiRecordBrowser *browser, /* I - Record browser */ |
| AvahiIfIndex interfaceIndex, |
| /* I - Interface index (unused) */ |
| AvahiProtocol protocol, /* I - Network protocol (unused) */ |
| AvahiBrowserEvent event, /* I - What happened? */ |
| const char *fullName, /* I - Service name */ |
| uint16_t rrclass, /* I - Record class */ |
| uint16_t rrtype, /* I - Record type */ |
| const void *rdata, /* I - TXT record */ |
| size_t rdlen, /* I - Length of TXT record */ |
| AvahiLookupResultFlags flags, /* I - Flags */ |
| void *context) /* I - Enumeration data */ |
| { |
| # ifdef DEBUG |
| AvahiClient *client = avahi_record_browser_get_client(browser); |
| /* Client information */ |
| # endif /* DEBUG */ |
| # endif /* HAVE_DNSSD */ |
| _cups_dnssd_data_t *data = (_cups_dnssd_data_t *)context; |
| /* Enumeration data */ |
| char serviceName[256],/* Service name */ |
| name[128], /* Queue name */ |
| *ptr; /* Pointer into string */ |
| _cups_dnssd_device_t dkey, /* Search key */ |
| *device; /* Device */ |
| |
| |
| # ifdef HAVE_DNSSD |
| DEBUG_printf(("5cups_dnssd_query_cb(sdRef=%p, flags=%x, interfaceIndex=%d, errorCode=%d, fullName=\"%s\", rrtype=%u, rrclass=%u, rdlen=%u, rdata=%p, ttl=%u, context=%p)", (void *)sdRef, flags, interfaceIndex, errorCode, fullName, rrtype, rrclass, rdlen, rdata, ttl, context)); |
| |
| /* |
| * Only process "add" data... |
| */ |
| |
| if (errorCode != kDNSServiceErr_NoError || !(flags & kDNSServiceFlagsAdd)) |
| return; |
| |
| # else /* HAVE_AVAHI */ |
| DEBUG_printf(("cups_dnssd_query_cb(browser=%p, interfaceIndex=%d, protocol=%d, event=%d, fullName=\"%s\", rrclass=%u, rrtype=%u, rdata=%p, rdlen=%u, flags=%x, context=%p)", browser, interfaceIndex, protocol, event, fullName, rrclass, rrtype, rdata, (unsigned)rdlen, flags, context)); |
| |
| /* |
| * Only process "add" data... |
| */ |
| |
| if (event != AVAHI_BROWSER_NEW) |
| { |
| if (event == AVAHI_BROWSER_FAILURE) |
| DEBUG_printf(("cups_dnssd_query_cb: %s", avahi_strerror(avahi_client_errno(client)))); |
| |
| return; |
| } |
| # endif /* HAVE_DNSSD */ |
| |
| /* |
| * Lookup the service in the devices array. |
| */ |
| |
| cups_dnssd_unquote(serviceName, fullName, sizeof(serviceName)); |
| |
| if ((ptr = strstr(serviceName, "._")) != NULL) |
| *ptr = '\0'; |
| |
| cups_queue_name(name, serviceName, sizeof(name)); |
| |
| dkey.dest.name = name; |
| |
| if ((device = cupsArrayFind(data->devices, &dkey)) != NULL && device->state == _CUPS_DNSSD_NEW) |
| { |
| /* |
| * Found it, pull out the make and model from the TXT record and save it... |
| */ |
| |
| const uint8_t *txt, /* Pointer into data */ |
| *txtnext, /* Next key/value pair */ |
| *txtend; /* End of entire TXT record */ |
| uint8_t txtlen; /* Length of current key/value pair */ |
| char key[256], /* Key string */ |
| value[256], /* Value string */ |
| make_and_model[512], |
| /* Manufacturer and model */ |
| model[256], /* Model */ |
| uriname[1024], /* Name for URI */ |
| uri[1024]; /* Printer URI */ |
| cups_ptype_t type = CUPS_PRINTER_DISCOVERED | CUPS_PRINTER_BW; |
| /* Printer type */ |
| int saw_printer_type = 0; |
| /* Did we see a printer-type key? */ |
| |
| device->state = _CUPS_DNSSD_PENDING; |
| make_and_model[0] = '\0'; |
| |
| strlcpy(model, "Unknown", sizeof(model)); |
| |
| for (txt = rdata, txtend = txt + rdlen; |
| txt < txtend; |
| txt = txtnext) |
| { |
| /* |
| * Read a key/value pair starting with an 8-bit length. Since the |
| * length is 8 bits and the size of the key/value buffers is 256, we |
| * don't need to check for overflow... |
| */ |
| |
| txtlen = *txt++; |
| |
| if (!txtlen || (txt + txtlen) > txtend) |
| break; |
| |
| txtnext = txt + txtlen; |
| |
| for (ptr = key; txt < txtnext && *txt != '='; txt ++) |
| *ptr++ = (char)*txt; |
| *ptr = '\0'; |
| |
| if (txt < txtnext && *txt == '=') |
| { |
| txt ++; |
| |
| if (txt < txtnext) |
| memcpy(value, txt, (size_t)(txtnext - txt)); |
| value[txtnext - txt] = '\0'; |
| |
| DEBUG_printf(("6cups_dnssd_query_cb: %s=%s", key, value)); |
| } |
| else |
| { |
| DEBUG_printf(("6cups_dnssd_query_cb: '%s' with no value.", key)); |
| continue; |
| } |
| |
| if (!_cups_strcasecmp(key, "usb_MFG") || |
| !_cups_strcasecmp(key, "usb_MANU") || |
| !_cups_strcasecmp(key, "usb_MANUFACTURER")) |
| strlcpy(make_and_model, value, sizeof(make_and_model)); |
| else if (!_cups_strcasecmp(key, "usb_MDL") || |
| !_cups_strcasecmp(key, "usb_MODEL")) |
| strlcpy(model, value, sizeof(model)); |
| else if (!_cups_strcasecmp(key, "product") && !strstr(value, "Ghostscript")) |
| { |
| if (value[0] == '(') |
| { |
| /* |
| * Strip parenthesis... |
| */ |
| |
| if ((ptr = value + strlen(value) - 1) > value && *ptr == ')') |
| *ptr = '\0'; |
| |
| strlcpy(model, value + 1, sizeof(model)); |
| } |
| else |
| strlcpy(model, value, sizeof(model)); |
| } |
| else if (!_cups_strcasecmp(key, "ty")) |
| { |
| strlcpy(model, value, sizeof(model)); |
| |
| if ((ptr = strchr(model, ',')) != NULL) |
| *ptr = '\0'; |
| } |
| else if (!_cups_strcasecmp(key, "note")) |
| device->dest.num_options = cupsAddOption("printer-location", value, |
| device->dest.num_options, |
| &device->dest.options); |
| else if (!_cups_strcasecmp(key, "pdl")) |
| { |
| /* |
| * Look for PDF-capable printers; only PDF-capable printers are shown. |
| */ |
| |
| const char *start, *next; /* Pointer into value */ |
| int have_pdf = 0, /* Have PDF? */ |
| have_raster = 0;/* Have raster format support? */ |
| |
| for (start = value; start && *start; start = next) |
| { |
| if (!_cups_strncasecmp(start, "application/pdf", 15) && (!start[15] || start[15] == ',')) |
| { |
| have_pdf = 1; |
| break; |
| } |
| else if ((!_cups_strncasecmp(start, "image/pwg-raster", 16) && (!start[16] || start[16] == ',')) || |
| (!_cups_strncasecmp(start, "image/urf", 9) && (!start[9] || start[9] == ','))) |
| { |
| have_raster = 1; |
| break; |
| } |
| |
| if ((next = strchr(start, ',')) != NULL) |
| next ++; |
| } |
| |
| if (!have_pdf && !have_raster) |
| device->state = _CUPS_DNSSD_INCOMPATIBLE; |
| } |
| else if (!_cups_strcasecmp(key, "printer-type")) |
| { |
| /* |
| * Value is either NNNN or 0xXXXX |
| */ |
| |
| saw_printer_type = 1; |
| type = (cups_ptype_t)strtol(value, NULL, 0) | CUPS_PRINTER_DISCOVERED; |
| } |
| else if (!saw_printer_type) |
| { |
| if (!_cups_strcasecmp(key, "air") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_AUTHENTICATED; |
| else if (!_cups_strcasecmp(key, "bind") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_BIND; |
| else if (!_cups_strcasecmp(key, "collate") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_COLLATE; |
| else if (!_cups_strcasecmp(key, "color") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_COLOR; |
| else if (!_cups_strcasecmp(key, "copies") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_COPIES; |
| else if (!_cups_strcasecmp(key, "duplex") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_DUPLEX; |
| else if (!_cups_strcasecmp(key, "fax") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_MFP; |
| else if (!_cups_strcasecmp(key, "papercustom") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_VARIABLE; |
| else if (!_cups_strcasecmp(key, "papermax")) |
| { |
| if (!_cups_strcasecmp(value, "legal-a4")) |
| type |= CUPS_PRINTER_SMALL; |
| else if (!_cups_strcasecmp(value, "isoc-a2")) |
| type |= CUPS_PRINTER_MEDIUM; |
| else if (!_cups_strcasecmp(value, ">isoc-a2")) |
| type |= CUPS_PRINTER_LARGE; |
| } |
| else if (!_cups_strcasecmp(key, "punch") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_PUNCH; |
| else if (!_cups_strcasecmp(key, "scan") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_MFP; |
| else if (!_cups_strcasecmp(key, "sort") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_SORT; |
| else if (!_cups_strcasecmp(key, "staple") && |
| !_cups_strcasecmp(value, "t")) |
| type |= CUPS_PRINTER_STAPLE; |
| } |
| } |
| |
| /* |
| * Save the printer-xxx values... |
| */ |
| |
| if (make_and_model[0]) |
| { |
| strlcat(make_and_model, " ", sizeof(make_and_model)); |
| strlcat(make_and_model, model, sizeof(make_and_model)); |
| |
| device->dest.num_options = cupsAddOption("printer-make-and-model", make_and_model, device->dest.num_options, &device->dest.options); |
| } |
| else |
| device->dest.num_options = cupsAddOption("printer-make-and-model", model, device->dest.num_options, &device->dest.options); |
| |
| device->type = type; |
| snprintf(value, sizeof(value), "%u", type); |
| device->dest.num_options = cupsAddOption("printer-type", value, device->dest.num_options, &device->dest.options); |
| |
| /* |
| * Save the URI... |
| */ |
| |
| cups_dnssd_unquote(uriname, device->fullName, sizeof(uriname)); |
| httpAssembleURI(HTTP_URI_CODING_ALL, uri, sizeof(uri), |
| !strcmp(device->regtype, "_ipps._tcp") ? "ipps" : "ipp", |
| NULL, uriname, 0, saw_printer_type ? "/cups" : "/"); |
| |
| DEBUG_printf(("6cups_dnssd_query: device-uri=\"%s\"", uri)); |
| |
| device->dest.num_options = cupsAddOption("device-uri", uri, device->dest.num_options, &device->dest.options); |
| } |
| else |
| DEBUG_printf(("6cups_dnssd_query: Ignoring TXT record for '%s'.", |
| fullName)); |
| } |
| |
| |
| /* |
| * 'cups_dnssd_resolve()' - Resolve a Bonjour printer URI. |
| */ |
| |
| static const char * /* O - Resolved URI or NULL */ |
| cups_dnssd_resolve( |
| cups_dest_t *dest, /* I - Destination */ |
| const char *uri, /* I - Current printer URI */ |
| int msec, /* I - Time in milliseconds */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| cups_dest_cb_t cb, /* I - Callback */ |
| void *user_data) /* I - User data for callback */ |
| { |
| char tempuri[1024]; /* Temporary URI buffer */ |
| _cups_dnssd_resolve_t resolve; /* Resolve data */ |
| |
| |
| /* |
| * Resolve the URI... |
| */ |
| |
| resolve.cancel = cancel; |
| gettimeofday(&resolve.end_time, NULL); |
| if (msec > 0) |
| { |
| resolve.end_time.tv_sec += msec / 1000; |
| resolve.end_time.tv_usec += (msec % 1000) * 1000; |
| |
| while (resolve.end_time.tv_usec >= 1000000) |
| { |
| resolve.end_time.tv_sec ++; |
| resolve.end_time.tv_usec -= 1000000; |
| } |
| } |
| else |
| resolve.end_time.tv_sec += 75; |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_RESOLVING, dest); |
| |
| if ((uri = _httpResolveURI(uri, tempuri, sizeof(tempuri), _HTTP_RESOLVE_DEFAULT, cups_dnssd_resolve_cb, &resolve)) == NULL) |
| { |
| _cupsSetError(IPP_STATUS_ERROR_INTERNAL, _("Unable to resolve printer-uri."), 1); |
| |
| if (cb) |
| (*cb)(user_data, CUPS_DEST_FLAGS_UNCONNECTED | CUPS_DEST_FLAGS_ERROR, dest); |
| |
| return (NULL); |
| } |
| |
| /* |
| * Save the resolved URI... |
| */ |
| |
| dest->num_options = cupsAddOption("device-uri", uri, dest->num_options, &dest->options); |
| |
| return (cupsGetOption("device-uri", dest->num_options, dest->options)); |
| } |
| |
| |
| /* |
| * 'cups_dnssd_resolve_cb()' - See if we should continue resolving. |
| */ |
| |
| static int /* O - 1 to continue, 0 to stop */ |
| cups_dnssd_resolve_cb(void *context) /* I - Resolve data */ |
| { |
| _cups_dnssd_resolve_t *resolve = (_cups_dnssd_resolve_t *)context; |
| /* Resolve data */ |
| struct timeval curtime; /* Current time */ |
| |
| |
| /* |
| * If the cancel variable is set, return immediately. |
| */ |
| |
| if (resolve->cancel && *(resolve->cancel)) |
| { |
| DEBUG_puts("4cups_dnssd_resolve_cb: Canceled."); |
| return (0); |
| } |
| |
| /* |
| * Otherwise check the end time... |
| */ |
| |
| gettimeofday(&curtime, NULL); |
| |
| DEBUG_printf(("4cups_dnssd_resolve_cb: curtime=%d.%06d, end_time=%d.%06d", (int)curtime.tv_sec, (int)curtime.tv_usec, (int)resolve->end_time.tv_sec, (int)resolve->end_time.tv_usec)); |
| |
| return (curtime.tv_sec < resolve->end_time.tv_sec || |
| (curtime.tv_sec == resolve->end_time.tv_sec && |
| curtime.tv_usec < resolve->end_time.tv_usec)); |
| } |
| |
| |
| /* |
| * 'cups_dnssd_unquote()' - Unquote a name string. |
| */ |
| |
| static void |
| cups_dnssd_unquote(char *dst, /* I - Destination buffer */ |
| const char *src, /* I - Source string */ |
| size_t dstsize) /* I - Size of destination buffer */ |
| { |
| char *dstend = dst + dstsize - 1; /* End of destination buffer */ |
| |
| |
| while (*src && dst < dstend) |
| { |
| if (*src == '\\') |
| { |
| src ++; |
| if (isdigit(src[0] & 255) && isdigit(src[1] & 255) && |
| isdigit(src[2] & 255)) |
| { |
| *dst++ = ((((src[0] - '0') * 10) + src[1] - '0') * 10) + src[2] - '0'; |
| src += 3; |
| } |
| else |
| *dst++ = *src++; |
| } |
| else |
| *dst++ = *src ++; |
| } |
| |
| *dst = '\0'; |
| } |
| #endif /* HAVE_DNSSD */ |
| |
| |
| #if defined(HAVE_AVAHI) || defined(HAVE_DNSSD) |
| /* |
| * 'cups_elapsed()' - Return the elapsed time in milliseconds. |
| */ |
| |
| static int /* O - Elapsed time in milliseconds */ |
| cups_elapsed(struct timeval *t) /* IO - Previous time */ |
| { |
| int msecs; /* Milliseconds */ |
| struct timeval nt; /* New time */ |
| |
| |
| gettimeofday(&nt, NULL); |
| |
| msecs = (int)(1000 * (nt.tv_sec - t->tv_sec) + (nt.tv_usec - t->tv_usec) / 1000); |
| |
| *t = nt; |
| |
| return (msecs); |
| } |
| #endif /* HAVE_AVAHI || HAVE_DNSSD */ |
| |
| |
| /* |
| * 'cups_enum_dests()' - Enumerate destinations from a specific server. |
| */ |
| |
| static int /* O - 1 on success, 0 on failure */ |
| cups_enum_dests( |
| http_t *http, /* I - Connection to scheduler */ |
| unsigned flags, /* I - Enumeration flags */ |
| int msec, /* I - Timeout in milliseconds, -1 for indefinite */ |
| int *cancel, /* I - Pointer to "cancel" variable */ |
| cups_ptype_t type, /* I - Printer type bits */ |
| cups_ptype_t mask, /* I - Mask for printer type bits */ |
| cups_dest_cb_t cb, /* I - Callback function */ |
| void *user_data) /* I - User data */ |
| { |
| int i, /* Looping var */ |
| num_dests; /* Number of destinations */ |
| cups_dest_t *dests = NULL, /* Destinations */ |
| *dest; /* Current destination */ |
| const char *defprinter; /* Default printer */ |
| char name[1024], /* Copy of printer name */ |
| *instance, /* Pointer to instance name */ |
| *user_default; /* User default printer */ |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| int count, /* Number of queries started */ |
| completed, /* Number of completed queries */ |
| remaining; /* Remainder of timeout */ |
| struct timeval curtime; /* Current time */ |
| _cups_dnssd_data_t data; /* Data for callback */ |
| _cups_dnssd_device_t *device; /* Current device */ |
| # ifdef HAVE_DNSSD |
| int nfds, /* Number of files responded */ |
| main_fd; /* File descriptor for lookups */ |
| DNSServiceRef ipp_ref = NULL, /* IPP browser */ |
| local_ipp_ref = NULL; /* Local IPP browser */ |
| # ifdef HAVE_SSL |
| DNSServiceRef ipps_ref = NULL, /* IPPS browser */ |
| local_ipps_ref = NULL; /* Local IPPS browser */ |
| # endif /* HAVE_SSL */ |
| # ifdef HAVE_POLL |
| struct pollfd pfd; /* Polling data */ |
| # else |
| fd_set input; /* Input set for select() */ |
| struct timeval timeout; /* Timeout for select() */ |
| # endif /* HAVE_POLL */ |
| # else /* HAVE_AVAHI */ |
| int error; /* Error value */ |
| AvahiServiceBrowser *ipp_ref = NULL; /* IPP browser */ |
| # ifdef HAVE_SSL |
| AvahiServiceBrowser *ipps_ref = NULL; /* IPPS browser */ |
| # endif /* HAVE_SSL */ |
| # endif /* HAVE_DNSSD */ |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| |
| DEBUG_printf(("cups_enum_dests(flags=%x, msec=%d, cancel=%p, type=%x, mask=%x, cb=%p, user_data=%p)", flags, msec, (void *)cancel, type, mask, (void *)cb, (void *)user_data)); |
| |
| /* |
| * Range check input... |
| */ |
| |
| (void)flags; |
| |
| if (!cb) |
| { |
| DEBUG_puts("1cups_enum_dests: No callback, returning 0."); |
| return (0); |
| } |
| |
| /* |
| * Get ready to enumerate... |
| */ |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| memset(&data, 0, sizeof(data)); |
| |
| data.type = type; |
| data.mask = mask; |
| data.cb = cb; |
| data.user_data = user_data; |
| data.devices = cupsArrayNew3((cups_array_func_t)cups_dnssd_compare_devices, NULL, NULL, 0, NULL, (cups_afree_func_t)cups_dnssd_free_device); |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| if (!(mask & CUPS_PRINTER_DISCOVERED) || !(type & CUPS_PRINTER_DISCOVERED)) |
| { |
| /* |
| * Get the list of local printers and pass them to the callback function... |
| */ |
| |
| num_dests = _cupsGetDests(http, IPP_OP_CUPS_GET_PRINTERS, NULL, &dests, type, mask); |
| |
| if ((user_default = _cupsUserDefault(name, sizeof(name))) != NULL) |
| defprinter = name; |
| else if ((defprinter = cupsGetDefault2(http)) != NULL) |
| { |
| strlcpy(name, defprinter, sizeof(name)); |
| defprinter = name; |
| } |
| |
| if (defprinter) |
| { |
| /* |
| * Separate printer and instance name... |
| */ |
| |
| if ((instance = strchr(name, '/')) != NULL) |
| *instance++ = '\0'; |
| |
| /* |
| * Lookup the printer and instance and make it the default... |
| */ |
| |
| if ((dest = cupsGetDest(name, instance, num_dests, dests)) != NULL) |
| dest->is_default = 1; |
| } |
| |
| for (i = num_dests, dest = dests; |
| i > 0 && (!cancel || !*cancel); |
| i --, dest ++) |
| { |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| const char *device_uri; /* Device URI */ |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| if (!(*cb)(user_data, i > 1 ? CUPS_DEST_FLAGS_MORE : CUPS_DEST_FLAGS_NONE, dest)) |
| break; |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| if (!dest->instance && (device_uri = cupsGetOption("device-uri", dest->num_options, dest->options)) != NULL && !strncmp(device_uri, "dnssd://", 8)) |
| { |
| /* |
| * Add existing queue using service name, etc. so we don't list it again... |
| */ |
| |
| char scheme[32], /* URI scheme */ |
| userpass[32], /* Username:password */ |
| serviceName[256], /* Service name (host field) */ |
| resource[256], /* Resource (options) */ |
| *regtype, /* Registration type */ |
| *replyDomain; /* Registration domain */ |
| int port; /* Port number (not used) */ |
| |
| if (httpSeparateURI(HTTP_URI_CODING_ALL, device_uri, scheme, sizeof(scheme), userpass, sizeof(userpass), serviceName, sizeof(serviceName), &port, resource, sizeof(resource)) >= HTTP_URI_STATUS_OK) |
| { |
| if ((regtype = strstr(serviceName, "._ipp")) != NULL) |
| { |
| *regtype++ = '\0'; |
| |
| if ((replyDomain = strstr(regtype, "._tcp.")) != NULL) |
| { |
| replyDomain[5] = '\0'; |
| replyDomain += 6; |
| |
| if ((device = cups_dnssd_get_device(&data, serviceName, regtype, replyDomain)) != NULL) |
| device->state = _CUPS_DNSSD_ACTIVE; |
| } |
| } |
| } |
| } |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| } |
| |
| cupsFreeDests(num_dests, dests); |
| |
| if (i > 0 || msec == 0) |
| goto enum_finished; |
| } |
| |
| /* |
| * Return early if the caller doesn't want to do discovery... |
| */ |
| |
| if ((mask & CUPS_PRINTER_DISCOVERED) && !(type & CUPS_PRINTER_DISCOVERED)) |
| goto enum_finished; |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| /* |
| * Get Bonjour-shared printers... |
| */ |
| |
| gettimeofday(&curtime, NULL); |
| |
| # ifdef HAVE_DNSSD |
| if (DNSServiceCreateConnection(&data.main_ref) != kDNSServiceErr_NoError) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create service browser, returning 0."); |
| return (0); |
| } |
| |
| main_fd = DNSServiceRefSockFD(data.main_ref); |
| |
| ipp_ref = data.main_ref; |
| if (DNSServiceBrowse(&ipp_ref, kDNSServiceFlagsShareConnection, 0, "_ipp._tcp", NULL, (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data) != kDNSServiceErr_NoError) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create IPP browser, returning 0."); |
| DNSServiceRefDeallocate(data.main_ref); |
| return (0); |
| } |
| |
| local_ipp_ref = data.main_ref; |
| if (DNSServiceBrowse(&local_ipp_ref, kDNSServiceFlagsShareConnection, kDNSServiceInterfaceIndexLocalOnly, "_ipp._tcp", NULL, (DNSServiceBrowseReply)cups_dnssd_local_cb, &data) != kDNSServiceErr_NoError) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create local IPP browser, returning 0."); |
| DNSServiceRefDeallocate(data.main_ref); |
| return (0); |
| } |
| |
| # ifdef HAVE_SSL |
| ipps_ref = data.main_ref; |
| if (DNSServiceBrowse(&ipps_ref, kDNSServiceFlagsShareConnection, 0, "_ipps._tcp", NULL, (DNSServiceBrowseReply)cups_dnssd_browse_cb, &data) != kDNSServiceErr_NoError) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create IPPS browser, returning 0."); |
| DNSServiceRefDeallocate(data.main_ref); |
| return (0); |
| } |
| |
| local_ipps_ref = data.main_ref; |
| if (DNSServiceBrowse(&local_ipps_ref, kDNSServiceFlagsShareConnection, kDNSServiceInterfaceIndexLocalOnly, "_ipps._tcp", NULL, (DNSServiceBrowseReply)cups_dnssd_local_cb, &data) != kDNSServiceErr_NoError) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create local IPPS browser, returning 0."); |
| DNSServiceRefDeallocate(data.main_ref); |
| return (0); |
| } |
| # endif /* HAVE_SSL */ |
| |
| # else /* HAVE_AVAHI */ |
| if ((data.simple_poll = avahi_simple_poll_new()) == NULL) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create Avahi poll, returning 0."); |
| return (0); |
| } |
| |
| avahi_simple_poll_set_func(data.simple_poll, cups_dnssd_poll_cb, &data); |
| |
| data.client = avahi_client_new(avahi_simple_poll_get(data.simple_poll), |
| 0, cups_dnssd_client_cb, &data, |
| &error); |
| if (!data.client) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create Avahi client, returning 0."); |
| avahi_simple_poll_free(data.simple_poll); |
| return (0); |
| } |
| |
| data.browsers = 1; |
| if ((ipp_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipp._tcp", NULL, 0, cups_dnssd_browse_cb, &data)) == NULL) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create Avahi IPP browser, returning 0."); |
| |
| avahi_client_free(data.client); |
| avahi_simple_poll_free(data.simple_poll); |
| return (0); |
| } |
| |
| # ifdef HAVE_SSL |
| data.browsers ++; |
| if ((ipps_ref = avahi_service_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, "_ipps._tcp", NULL, 0, cups_dnssd_browse_cb, &data)) == NULL) |
| { |
| DEBUG_puts("1cups_enum_dests: Unable to create Avahi IPPS browser, returning 0."); |
| |
| avahi_service_browser_free(ipp_ref); |
| avahi_client_free(data.client); |
| avahi_simple_poll_free(data.simple_poll); |
| return (0); |
| } |
| # endif /* HAVE_SSL */ |
| # endif /* HAVE_DNSSD */ |
| |
| if (msec < 0) |
| remaining = INT_MAX; |
| else |
| remaining = msec; |
| |
| while (remaining > 0 && (!cancel || !*cancel)) |
| { |
| /* |
| * Check for input... |
| */ |
| |
| DEBUG_printf(("1cups_enum_dests: remaining=%d", remaining)); |
| |
| cups_elapsed(&curtime); |
| |
| # ifdef HAVE_DNSSD |
| # ifdef HAVE_POLL |
| pfd.fd = main_fd; |
| pfd.events = POLLIN; |
| |
| nfds = poll(&pfd, 1, remaining > _CUPS_DNSSD_MAXTIME ? _CUPS_DNSSD_MAXTIME : remaining); |
| |
| # else |
| FD_ZERO(&input); |
| FD_SET(main_fd, &input); |
| |
| timeout.tv_sec = 0; |
| timeout.tv_usec = 1000 * (remaining > _CUPS_DNSSD_MAXTIME ? _CUPS_DNSSD_MAXTIME : remaining); |
| |
| nfds = select(main_fd + 1, &input, NULL, NULL, &timeout); |
| # endif /* HAVE_POLL */ |
| |
| if (nfds > 0) |
| DNSServiceProcessResult(data.main_ref); |
| else if (nfds < 0 && errno != EINTR && errno != EAGAIN) |
| break; |
| |
| # else /* HAVE_AVAHI */ |
| data.got_data = 0; |
| |
| if ((error = avahi_simple_poll_iterate(data.simple_poll, _CUPS_DNSSD_MAXTIME)) > 0) |
| { |
| /* |
| * We've been told to exit the loop. Perhaps the connection to |
| * Avahi failed. |
| */ |
| |
| break; |
| } |
| |
| DEBUG_printf(("1cups_enum_dests: got_data=%d", data.got_data)); |
| # endif /* HAVE_DNSSD */ |
| |
| remaining -= cups_elapsed(&curtime); |
| |
| for (device = (_cups_dnssd_device_t *)cupsArrayFirst(data.devices), |
| count = 0, completed = 0; |
| device; |
| device = (_cups_dnssd_device_t *)cupsArrayNext(data.devices)) |
| { |
| if (device->ref) |
| count ++; |
| |
| if (device->state == _CUPS_DNSSD_ACTIVE) |
| completed ++; |
| |
| if (!device->ref && device->state == _CUPS_DNSSD_NEW) |
| { |
| DEBUG_printf(("1cups_enum_dests: Querying '%s'.", device->fullName)); |
| |
| # ifdef HAVE_DNSSD |
| device->ref = data.main_ref; |
| |
| if (DNSServiceQueryRecord(&(device->ref), kDNSServiceFlagsShareConnection, 0, device->fullName, kDNSServiceType_TXT, kDNSServiceClass_IN, (DNSServiceQueryRecordReply)cups_dnssd_query_cb, &data) == kDNSServiceErr_NoError) |
| { |
| count ++; |
| } |
| else |
| { |
| device->ref = 0; |
| device->state = _CUPS_DNSSD_ERROR; |
| |
| DEBUG_puts("1cups_enum_dests: Query failed."); |
| } |
| |
| # else /* HAVE_AVAHI */ |
| if ((device->ref = avahi_record_browser_new(data.client, AVAHI_IF_UNSPEC, AVAHI_PROTO_UNSPEC, device->fullName, AVAHI_DNS_CLASS_IN, AVAHI_DNS_TYPE_TXT, 0, cups_dnssd_query_cb, &data)) != NULL) |
| { |
| DEBUG_printf(("1cups_enum_dests: Query ref=%p", device->ref)); |
| count ++; |
| } |
| else |
| { |
| device->state = _CUPS_DNSSD_ERROR; |
| |
| DEBUG_printf(("1cups_enum_dests: Query failed: %s", avahi_strerror(avahi_client_errno(data.client)))); |
| } |
| # endif /* HAVE_DNSSD */ |
| } |
| else if (device->ref && device->state == _CUPS_DNSSD_PENDING) |
| { |
| completed ++; |
| |
| DEBUG_printf(("1cups_enum_dests: Query for \"%s\" is complete.", device->fullName)); |
| |
| if ((device->type & mask) == type) |
| { |
| DEBUG_printf(("1cups_enum_dests: Add callback for \"%s\".", device->dest.name)); |
| if (!(*cb)(user_data, CUPS_DEST_FLAGS_NONE, &device->dest)) |
| { |
| remaining = -1; |
| break; |
| } |
| } |
| |
| device->state = _CUPS_DNSSD_ACTIVE; |
| } |
| } |
| |
| # ifdef HAVE_AVAHI |
| DEBUG_printf(("1cups_enum_dests: remaining=%d, browsers=%d, completed=%d, count=%d, devices count=%d", remaining, data.browsers, completed, count, cupsArrayCount(data.devices))); |
| |
| if (data.browsers == 0 && completed == cupsArrayCount(data.devices)) |
| break; |
| # else |
| DEBUG_printf(("1cups_enum_dests: remaining=%d, completed=%d, count=%d, devices count=%d", remaining, completed, count, cupsArrayCount(data.devices))); |
| |
| if (completed == cupsArrayCount(data.devices)) |
| break; |
| # endif /* HAVE_AVAHI */ |
| } |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| /* |
| * Return... |
| */ |
| |
| enum_finished: |
| |
| #if defined(HAVE_DNSSD) || defined(HAVE_AVAHI) |
| cupsArrayDelete(data.devices); |
| |
| # ifdef HAVE_DNSSD |
| if (ipp_ref) |
| DNSServiceRefDeallocate(ipp_ref); |
| if (local_ipp_ref) |
| DNSServiceRefDeallocate(local_ipp_ref); |
| |
| # ifdef HAVE_SSL |
| if (ipps_ref) |
| DNSServiceRefDeallocate(ipps_ref); |
| if (local_ipps_ref) |
| DNSServiceRefDeallocate(local_ipps_ref); |
| # endif /* HAVE_SSL */ |
| |
| if (data.main_ref) |
| DNSServiceRefDeallocate(data.main_ref); |
| |
| # else /* HAVE_AVAHI */ |
| if (ipp_ref) |
| avahi_service_browser_free(ipp_ref); |
| # ifdef HAVE_SSL |
| if (ipps_ref) |
| avahi_service_browser_free(ipps_ref); |
| # endif /* HAVE_SSL */ |
| |
| if (data.client) |
| avahi_client_free(data.client); |
| if (data.simple_poll) |
| avahi_simple_poll_free(data.simple_poll); |
| # endif /* HAVE_DNSSD */ |
| #endif /* HAVE_DNSSD || HAVE_AVAHI */ |
| |
| DEBUG_puts("1cups_enum_dests: Returning 1."); |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'cups_find_dest()' - Find a destination using a binary search. |
| */ |
| |
| static int /* O - Index of match */ |
| cups_find_dest(const char *name, /* I - Destination name */ |
| const char *instance, /* I - Instance or NULL */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t *dests, /* I - Destinations */ |
| int prev, /* I - Previous index */ |
| int *rdiff) /* O - Difference of match */ |
| { |
| int left, /* Low mark for binary search */ |
| right, /* High mark for binary search */ |
| current, /* Current index */ |
| diff; /* Result of comparison */ |
| cups_dest_t key; /* Search key */ |
| |
| |
| key.name = (char *)name; |
| key.instance = (char *)instance; |
| |
| if (prev >= 0) |
| { |
| /* |
| * Start search on either side of previous... |
| */ |
| |
| if ((diff = cups_compare_dests(&key, dests + prev)) == 0 || |
| (diff < 0 && prev == 0) || |
| (diff > 0 && prev == (num_dests - 1))) |
| { |
| *rdiff = diff; |
| return (prev); |
| } |
| else if (diff < 0) |
| { |
| /* |
| * Start with previous on right side... |
| */ |
| |
| left = 0; |
| right = prev; |
| } |
| else |
| { |
| /* |
| * Start wih previous on left side... |
| */ |
| |
| left = prev; |
| right = num_dests - 1; |
| } |
| } |
| else |
| { |
| /* |
| * Start search in the middle... |
| */ |
| |
| left = 0; |
| right = num_dests - 1; |
| } |
| |
| do |
| { |
| current = (left + right) / 2; |
| diff = cups_compare_dests(&key, dests + current); |
| |
| if (diff == 0) |
| break; |
| else if (diff < 0) |
| right = current; |
| else |
| left = current; |
| } |
| while ((right - left) > 1); |
| |
| if (diff != 0) |
| { |
| /* |
| * Check the last 1 or 2 elements... |
| */ |
| |
| if ((diff = cups_compare_dests(&key, dests + left)) <= 0) |
| current = left; |
| else |
| { |
| diff = cups_compare_dests(&key, dests + right); |
| current = right; |
| } |
| } |
| |
| /* |
| * Return the closest destination and the difference... |
| */ |
| |
| *rdiff = diff; |
| |
| return (current); |
| } |
| |
| |
| /* |
| * 'cups_get_cb()' - Collect enumerated destinations. |
| */ |
| |
| static int /* O - 1 to continue, 0 to stop */ |
| cups_get_cb(_cups_getdata_t *data, /* I - Data from cupsGetDests */ |
| unsigned flags, /* I - Enumeration flags */ |
| cups_dest_t *dest) /* I - Destination */ |
| { |
| if (flags & CUPS_DEST_FLAGS_REMOVED) |
| { |
| /* |
| * Remove destination from array... |
| */ |
| |
| data->num_dests = cupsRemoveDest(dest->name, dest->instance, data->num_dests, &data->dests); |
| } |
| else |
| { |
| /* |
| * Add destination to array... |
| */ |
| |
| data->num_dests = cupsCopyDest(dest, data->num_dests, &data->dests); |
| } |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'cups_get_default()' - Get the default destination from an lpoptions file. |
| */ |
| |
| static char * /* O - Default destination or NULL */ |
| cups_get_default(const char *filename, /* I - File to read */ |
| char *namebuf, /* I - Name buffer */ |
| size_t namesize, /* I - Size of name buffer */ |
| const char **instance) /* I - Instance */ |
| { |
| cups_file_t *fp; /* lpoptions file */ |
| char line[8192], /* Line from file */ |
| *value, /* Value for line */ |
| *nameptr; /* Pointer into name */ |
| int linenum; /* Current line */ |
| |
| |
| *namebuf = '\0'; |
| |
| if ((fp = cupsFileOpen(filename, "r")) != NULL) |
| { |
| linenum = 0; |
| |
| while (cupsFileGetConf(fp, line, sizeof(line), &value, &linenum)) |
| { |
| if (!_cups_strcasecmp(line, "default") && value) |
| { |
| strlcpy(namebuf, value, namesize); |
| |
| if ((nameptr = strchr(namebuf, ' ')) != NULL) |
| *nameptr = '\0'; |
| if ((nameptr = strchr(namebuf, '\t')) != NULL) |
| *nameptr = '\0'; |
| |
| if ((nameptr = strchr(namebuf, '/')) != NULL) |
| *nameptr++ = '\0'; |
| |
| *instance = nameptr; |
| break; |
| } |
| } |
| |
| cupsFileClose(fp); |
| } |
| |
| return (*namebuf ? namebuf : NULL); |
| } |
| |
| |
| /* |
| * 'cups_get_dests()' - Get destinations from a file. |
| */ |
| |
| static int /* O - Number of destinations */ |
| cups_get_dests( |
| const char *filename, /* I - File to read from */ |
| const char *match_name, /* I - Destination name we want */ |
| const char *match_inst, /* I - Instance name we want */ |
| int user_default_set, /* I - User default printer set? */ |
| int num_dests, /* I - Number of destinations */ |
| cups_dest_t **dests) /* IO - Destinations */ |
| { |
| int i; /* Looping var */ |
| cups_dest_t *dest; /* Current destination */ |
| cups_file_t *fp; /* File pointer */ |
| char line[8192], /* Line from file */ |
| *lineptr, /* Pointer into line */ |
| *name, /* Name of destination/option */ |
| *instance; /* Instance of destination */ |
| int linenum; /* Current line number */ |
| |
| |
| DEBUG_printf(("7cups_get_dests(filename=\"%s\", match_name=\"%s\", match_inst=\"%s\", user_default_set=%d, num_dests=%d, dests=%p)", filename, match_name, match_inst, user_default_set, num_dests, (void *)dests)); |
| |
| /* |
| * Try to open the file... |
| */ |
| |
| if ((fp = cupsFileOpen(filename, "r")) == NULL) |
| return (num_dests); |
| |
| /* |
| * Read each printer; each line looks like: |
| * |
| * Dest name[/instance] options |
| * Default name[/instance] options |
| */ |
| |
| linenum = 0; |
| |
| while (cupsFileGetConf(fp, line, sizeof(line), &lineptr, &linenum)) |
| { |
| /* |
| * See what type of line it is... |
| */ |
| |
| DEBUG_printf(("9cups_get_dests: linenum=%d line=\"%s\" lineptr=\"%s\"", |
| linenum, line, lineptr)); |
| |
| if ((_cups_strcasecmp(line, "dest") && _cups_strcasecmp(line, "default")) || !lineptr) |
| { |
| DEBUG_puts("9cups_get_dests: Not a dest or default line..."); |
| continue; |
| } |
| |
| name = lineptr; |
| |
| /* |
| * Search for an instance... |
| */ |
| |
| while (!isspace(*lineptr & 255) && *lineptr && *lineptr != '/') |
| lineptr ++; |
| |
| if (*lineptr == '/') |
| { |
| /* |
| * Found an instance... |
| */ |
| |
| *lineptr++ = '\0'; |
| instance = lineptr; |
| |
| /* |
| * Search for an instance... |
| */ |
| |
| while (!isspace(*lineptr & 255) && *lineptr) |
| lineptr ++; |
| } |
| else |
| instance = NULL; |
| |
| if (*lineptr) |
| *lineptr++ = '\0'; |
| |
| DEBUG_printf(("9cups_get_dests: name=\"%s\", instance=\"%s\"", name, |
| instance)); |
| |
| /* |
| * See if the primary instance of the destination exists; if not, |
| * ignore this entry and move on... |
| */ |
| |
| if (match_name) |
| { |
| if (_cups_strcasecmp(name, match_name) || |
| (!instance && match_inst) || |
| (instance && !match_inst) || |
| (instance && _cups_strcasecmp(instance, match_inst))) |
| continue; |
| |
| dest = *dests; |
| } |
| else if (cupsGetDest(name, NULL, num_dests, *dests) == NULL) |
| { |
| DEBUG_puts("9cups_get_dests: Not found!"); |
| continue; |
| } |
| else |
| { |
| /* |
| * Add the destination... |
| */ |
| |
| num_dests = cupsAddDest(name, instance, num_dests, dests); |
| |
| if ((dest = cupsGetDest(name, instance, num_dests, *dests)) == NULL) |
| { |
| /* |
| * Out of memory! |
| */ |
| |
| DEBUG_puts("9cups_get_dests: Out of memory!"); |
| break; |
| } |
| } |
| |
| /* |
| * Add options until we hit the end of the line... |
| */ |
| |
| dest->num_options = cupsParseOptions(lineptr, dest->num_options, |
| &(dest->options)); |
| |
| /* |
| * If we found what we were looking for, stop now... |
| */ |
| |
| if (match_name) |
| break; |
| |
| /* |
| * Set this as default if needed... |
| */ |
| |
| if (!user_default_set && !_cups_strcasecmp(line, "default")) |
| { |
| DEBUG_puts("9cups_get_dests: Setting as default..."); |
| |
| for (i = 0; i < num_dests; i ++) |
| (*dests)[i].is_default = 0; |
| |
| dest->is_default = 1; |
| } |
| } |
| |
| /* |
| * Close the file and return... |
| */ |
| |
| cupsFileClose(fp); |
| |
| return (num_dests); |
| } |
| |
| |
| /* |
| * 'cups_make_string()' - Make a comma-separated string of values from an IPP |
| * attribute. |
| */ |
| |
| static char * /* O - New string */ |
| cups_make_string( |
| ipp_attribute_t *attr, /* I - Attribute to convert */ |
| char *buffer, /* I - Buffer */ |
| size_t bufsize) /* I - Size of buffer */ |
| { |
| int i; /* Looping var */ |
| char *ptr, /* Pointer into buffer */ |
| *end, /* Pointer to end of buffer */ |
| *valptr; /* Pointer into string attribute */ |
| |
| |
| /* |
| * Return quickly if we have a single string value... |
| */ |
| |
| if (attr->num_values == 1 && |
| attr->value_tag != IPP_TAG_INTEGER && |
| attr->value_tag != IPP_TAG_ENUM && |
| attr->value_tag != IPP_TAG_BOOLEAN && |
| attr->value_tag != IPP_TAG_RANGE) |
| return (attr->values[0].string.text); |
| |
| /* |
| * Copy the values to the string, separating with commas and escaping strings |
| * as needed... |
| */ |
| |
| end = buffer + bufsize - 1; |
| |
| for (i = 0, ptr = buffer; i < attr->num_values && ptr < end; i ++) |
| { |
| if (i) |
| *ptr++ = ','; |
| |
| switch (attr->value_tag) |
| { |
| case IPP_TAG_INTEGER : |
| case IPP_TAG_ENUM : |
| snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].integer); |
| break; |
| |
| case IPP_TAG_BOOLEAN : |
| if (attr->values[i].boolean) |
| strlcpy(ptr, "true", (size_t)(end - ptr + 1)); |
| else |
| strlcpy(ptr, "false", (size_t)(end - ptr + 1)); |
| break; |
| |
| case IPP_TAG_RANGE : |
| if (attr->values[i].range.lower == attr->values[i].range.upper) |
| snprintf(ptr, (size_t)(end - ptr + 1), "%d", attr->values[i].range.lower); |
| else |
| snprintf(ptr, (size_t)(end - ptr + 1), "%d-%d", attr->values[i].range.lower, attr->values[i].range.upper); |
| break; |
| |
| default : |
| for (valptr = attr->values[i].string.text; |
| *valptr && ptr < end;) |
| { |
| if (strchr(" \t\n\\\'\"", *valptr)) |
| { |
| if (ptr >= (end - 1)) |
| break; |
| |
| *ptr++ = '\\'; |
| } |
| |
| *ptr++ = *valptr++; |
| } |
| |
| *ptr = '\0'; |
| break; |
| } |
| |
| ptr += strlen(ptr); |
| } |
| |
| *ptr = '\0'; |
| |
| return (buffer); |
| } |
| |
| |
| /* |
| * 'cups_name_cb()' - Find an enumerated destination. |
| */ |
| |
| static int /* O - 1 to continue, 0 to stop */ |
| cups_name_cb(_cups_namedata_t *data, /* I - Data from cupsGetNamedDest */ |
| unsigned flags, /* I - Enumeration flags */ |
| cups_dest_t *dest) /* I - Destination */ |
| { |
| DEBUG_printf(("2cups_name_cb(data=%p(%s), flags=%x, dest=%p(%s)", (void *)data, data->name, flags, (void *)dest, dest->name)); |
| |
| if (!(flags & CUPS_DEST_FLAGS_REMOVED) && !dest->instance && !strcasecmp(data->name, dest->name)) |
| { |
| /* |
| * Copy destination and stop enumeration... |
| */ |
| |
| cupsCopyDest(dest, 0, &data->dest); |
| return (0); |
| } |
| |
| return (1); |
| } |
| |
| |
| /* |
| * 'cups_queue_name()' - Create a local queue name based on the service name. |
| */ |
| |
| static void |
| cups_queue_name( |
| char *name, /* I - Name buffer */ |
| const char *serviceName, /* I - Service name */ |
| size_t namesize) /* I - Size of name buffer */ |
| { |
| const char *ptr; /* Pointer into serviceName */ |
| char *nameptr; /* Pointer into name */ |
| |
| |
| for (nameptr = name, ptr = serviceName; *ptr && nameptr < (name + namesize - 1); ptr ++) |
| { |
| /* |
| * Sanitize the printer name... |
| */ |
| |
| if (_cups_isalnum(*ptr)) |
| *nameptr++ = *ptr; |
| else if (nameptr == name || nameptr[-1] != '_') |
| *nameptr++ = '_'; |
| } |
| |
| *nameptr = '\0'; |
| } |