blob: 0b2f44241b54165675f3da399d9f544e3762fcf7 [file] [log] [blame]
/* crypto/objects/obj_dat.c */
/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
* All rights reserved.
*
* This package is an SSL implementation written
* by Eric Young (eay@cryptsoft.com).
* The implementation was written so as to conform with Netscapes SSL.
*
* This library is free for commercial and non-commercial use as long as
* the following conditions are aheared to. The following conditions
* apply to all code found in this distribution, be it the RC4, RSA,
* lhash, DES, etc., code; not just the SSL code. The SSL documentation
* included with this distribution is covered by the same copyright terms
* except that the holder is Tim Hudson (tjh@cryptsoft.com).
*
* Copyright remains Eric Young's, and as such any Copyright notices in
* the code are not to be removed.
* If this package is used in a product, Eric Young should be given attribution
* as the author of the parts of the library used.
* This can be in the form of a textual message at program startup or
* in documentation (online or textual) provided with the package.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* "This product includes cryptographic software written by
* Eric Young (eay@cryptsoft.com)"
* The word 'cryptographic' can be left out if the rouines from the library
* being used are not cryptographic related :-).
* 4. If you include any Windows specific code (or a derivative thereof) from
* the apps directory (application code) you must include an acknowledgement:
* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
*
* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* The licence and distribution terms for any publically available version or
* derivative of this code cannot be changed. i.e. this code cannot simply be
* copied and put under another distribution licence
* [including the GNU Public Licence.]
*/
#include <stdio.h>
#include <ctype.h>
#include <limits.h>
#include "cryptlib.h"
#include <openssl/lhash.h>
#include <openssl/asn1.h>
#include <openssl/objects.h>
#include <openssl/bn.h>
/* obj_dat.h is generated from objects.h by obj_dat.pl */
#ifndef OPENSSL_NO_OBJECT
#include "obj_dat.h"
#else
/* You will have to load all the objects needed manually in the application */
#define NUM_NID 0
#define NUM_SN 0
#define NUM_LN 0
#define NUM_OBJ 0
static const unsigned char lvalues[1];
static const ASN1_OBJECT nid_objs[1];
static const unsigned int sn_objs[1];
static const unsigned int ln_objs[1];
static const unsigned int obj_objs[1];
#endif
DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
#define ADDED_DATA 0
#define ADDED_SNAME 1
#define ADDED_LNAME 2
#define ADDED_NID 3
typedef struct added_obj_st
{
int type;
ASN1_OBJECT *obj;
} ADDED_OBJ;
DECLARE_LHASH_OF(ADDED_OBJ);
static int new_nid=NUM_NID;
static LHASH_OF(ADDED_OBJ) *added=NULL;
static int sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
{ return(strcmp((*a)->sn,nid_objs[*b].sn)); }
IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
static int ln_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
{ return(strcmp((*a)->ln,nid_objs[*b].ln)); }
IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
static unsigned long added_obj_hash(const ADDED_OBJ *ca)
{
const ASN1_OBJECT *a;
int i;
unsigned long ret=0;
unsigned char *p;
a=ca->obj;
switch (ca->type)
{
case ADDED_DATA:
ret=a->length<<20L;
p=(unsigned char *)a->data;
for (i=0; i<a->length; i++)
ret^=p[i]<<((i*3)%24);
break;
case ADDED_SNAME:
ret=lh_strhash(a->sn);
break;
case ADDED_LNAME:
ret=lh_strhash(a->ln);
break;
case ADDED_NID:
ret=a->nid;
break;
default:
/* abort(); */
return 0;
}
ret&=0x3fffffffL;
ret|=ca->type<<30L;
return(ret);
}
static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
{
ASN1_OBJECT *a,*b;
int i;
i=ca->type-cb->type;
if (i) return(i);
a=ca->obj;
b=cb->obj;
switch (ca->type)
{
case ADDED_DATA:
i=(a->length - b->length);
if (i) return(i);
return(memcmp(a->data,b->data,(size_t)a->length));
case ADDED_SNAME:
if (a->sn == NULL) return(-1);
else if (b->sn == NULL) return(1);
else return(strcmp(a->sn,b->sn));
case ADDED_LNAME:
if (a->ln == NULL) return(-1);
else if (b->ln == NULL) return(1);
else return(strcmp(a->ln,b->ln));
case ADDED_NID:
return(a->nid-b->nid);
default:
/* abort(); */
return 0;
}
}
static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
static int init_added(void)
{
if (added != NULL) return(1);
added=lh_ADDED_OBJ_new();
return(added != NULL);
}
static void cleanup1_doall(ADDED_OBJ *a)
{
a->obj->nid=0;
a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
ASN1_OBJECT_FLAG_DYNAMIC_DATA;
}
static void cleanup2_doall(ADDED_OBJ *a)
{ a->obj->nid++; }
static void cleanup3_doall(ADDED_OBJ *a)
{
if (--a->obj->nid == 0)
ASN1_OBJECT_free(a->obj);
OPENSSL_free(a);
}
static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
/* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
* to use freed up OIDs. If neccessary the actual freeing up of OIDs is
* delayed.
*/
int obj_cleanup_defer = 0;
void check_defer(int nid)
{
if (!obj_cleanup_defer && nid >= NUM_NID)
obj_cleanup_defer = 1;
}
void OBJ_cleanup(void)
{
if (obj_cleanup_defer)
{
obj_cleanup_defer = 2;
return ;
}
if (added == NULL) return;
lh_ADDED_OBJ_down_load(added) = 0;
lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
lh_ADDED_OBJ_free(added);
added=NULL;
}
int OBJ_new_nid(int num)
{
int i;
i=new_nid;
new_nid+=num;
return(i);
}
int OBJ_add_object(const ASN1_OBJECT *obj)
{
ASN1_OBJECT *o;
ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
int i;
if (added == NULL)
if (!init_added()) return(0);
if ((o=OBJ_dup(obj)) == NULL) goto err;
if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if ((o->length != 0) && (obj->data != NULL))
if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if (o->sn != NULL)
if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
if (o->ln != NULL)
if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
for (i=ADDED_DATA; i<=ADDED_NID; i++)
{
if (ao[i] != NULL)
{
ao[i]->type=i;
ao[i]->obj=o;
aop=lh_ADDED_OBJ_insert(added,ao[i]);
/* memory leak, buit should not normally matter */
if (aop != NULL)
OPENSSL_free(aop);
}
}
o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
ASN1_OBJECT_FLAG_DYNAMIC_DATA);
return(o->nid);
err2:
OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
err:
for (i=ADDED_DATA; i<=ADDED_NID; i++)
if (ao[i] != NULL) OPENSSL_free(ao[i]);
if (o != NULL) OPENSSL_free(o);
return(NID_undef);
}
ASN1_OBJECT *OBJ_nid2obj(int n)
{
ADDED_OBJ ad,*adp;
ASN1_OBJECT ob;
if ((n >= 0) && (n < NUM_NID))
{
if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
{
OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
return(NULL);
}
return((ASN1_OBJECT *)&(nid_objs[n]));
}
else if (added == NULL)
return(NULL);
else
{
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj);
else
{
OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
return(NULL);
}
}
}
const char *OBJ_nid2sn(int n)
{
ADDED_OBJ ad,*adp;
ASN1_OBJECT ob;
if ((n >= 0) && (n < NUM_NID))
{
if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
{
OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
return(NULL);
}
return(nid_objs[n].sn);
}
else if (added == NULL)
return(NULL);
else
{
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj->sn);
else
{
OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
return(NULL);
}
}
}
const char *OBJ_nid2ln(int n)
{
ADDED_OBJ ad,*adp;
ASN1_OBJECT ob;
if ((n >= 0) && (n < NUM_NID))
{
if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
{
OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
return(NULL);
}
return(nid_objs[n].ln);
}
else if (added == NULL)
return(NULL);
else
{
ad.type=ADDED_NID;
ad.obj= &ob;
ob.nid=n;
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL)
return(adp->obj->ln);
else
{
OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
return(NULL);
}
}
}
static int obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
{
int j;
const ASN1_OBJECT *a= *ap;
const ASN1_OBJECT *b= &nid_objs[*bp];
j=(a->length - b->length);
if (j) return(j);
return(memcmp(a->data,b->data,a->length));
}
IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
int OBJ_obj2nid(const ASN1_OBJECT *a)
{
const unsigned int *op;
ADDED_OBJ ad,*adp;
if (a == NULL)
return(NID_undef);
if (a->nid != 0)
return(a->nid);
if (added != NULL)
{
ad.type=ADDED_DATA;
ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
op=OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
if (op == NULL)
return(NID_undef);
return(nid_objs[*op].nid);
}
/* Convert an object name into an ASN1_OBJECT
* if "noname" is not set then search for short and long names first.
* This will convert the "dotted" form into an object: unlike OBJ_txt2nid
* it can be used with any objects, not just registered ones.
*/
ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
{
int nid = NID_undef;
ASN1_OBJECT *op=NULL;
unsigned char *buf;
unsigned char *p;
const unsigned char *cp;
int i, j;
if(!no_name) {
if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
((nid = OBJ_ln2nid(s)) != NID_undef) )
return OBJ_nid2obj(nid);
}
/* Work out size of content octets */
i=a2d_ASN1_OBJECT(NULL,0,s,-1);
if (i <= 0) {
/* Don't clear the error */
/*ERR_clear_error();*/
return NULL;
}
/* Work out total size */
j = ASN1_object_size(0,i,V_ASN1_OBJECT);
if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
p = buf;
/* Write out tag+length */
ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
/* Write out contents */
a2d_ASN1_OBJECT(p,i,s,-1);
cp=buf;
op=d2i_ASN1_OBJECT(NULL,&cp,j);
OPENSSL_free(buf);
return op;
}
int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
{
int i,n=0,len,nid, first, use_bn;
BIGNUM *bl;
unsigned long l;
const unsigned char *p;
char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
/* Ensure that, at every state, |buf| is NUL-terminated. */
if (buf && buf_len > 0)
buf[0] = '\0';
if ((a == NULL) || (a->data == NULL))
return(0);
if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
{
const char *s;
s=OBJ_nid2ln(nid);
if (s == NULL)
s=OBJ_nid2sn(nid);
if (s)
{
if (buf)
BUF_strlcpy(buf,s,buf_len);
n=strlen(s);
return n;
}
}
len=a->length;
p=a->data;
first = 1;
bl = NULL;
while (len > 0)
{
l=0;
use_bn = 0;
for (;;)
{
unsigned char c = *p++;
len--;
if ((len == 0) && (c & 0x80))
goto err;
if (use_bn)
{
if (!BN_add_word(bl, c & 0x7f))
goto err;
}
else
l |= c & 0x7f;
if (!(c & 0x80))
break;
if (!use_bn && (l > (ULONG_MAX >> 7L)))
{
if (!bl && !(bl = BN_new()))
goto err;
if (!BN_set_word(bl, l))
goto err;
use_bn = 1;
}
if (use_bn)
{
if (!BN_lshift(bl, bl, 7))
goto err;
}
else
l<<=7L;
}
if (first)
{
first = 0;
if (l >= 80)
{
i = 2;
if (use_bn)
{
if (!BN_sub_word(bl, 80))
goto err;
}
else
l -= 80;
}
else
{
i=(int)(l/40);
l-=(long)(i*40);
}
if (buf && (buf_len > 1))
{
*buf++ = i + '0';
*buf = '\0';
buf_len--;
}
n++;
}
if (use_bn)
{
char *bndec;
bndec = BN_bn2dec(bl);
if (!bndec)
goto err;
i = strlen(bndec);
if (buf)
{
if (buf_len > 1)
{
*buf++ = '.';
*buf = '\0';
buf_len--;
}
BUF_strlcpy(buf,bndec,buf_len);
if (i > buf_len)
{
buf += buf_len;
buf_len = 0;
}
else
{
buf+=i;
buf_len-=i;
}
}
n++;
n += i;
OPENSSL_free(bndec);
}
else
{
BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
i=strlen(tbuf);
if (buf && (buf_len > 0))
{
BUF_strlcpy(buf,tbuf,buf_len);
if (i > buf_len)
{
buf += buf_len;
buf_len = 0;
}
else
{
buf+=i;
buf_len-=i;
}
}
n+=i;
l=0;
}
}
if (bl)
BN_free(bl);
return n;
err:
if (bl)
BN_free(bl);
return -1;
}
int OBJ_txt2nid(const char *s)
{
ASN1_OBJECT *obj;
int nid;
obj = OBJ_txt2obj(s, 0);
nid = OBJ_obj2nid(obj);
ASN1_OBJECT_free(obj);
return nid;
}
int OBJ_ln2nid(const char *s)
{
ASN1_OBJECT o;
const ASN1_OBJECT *oo= &o;
ADDED_OBJ ad,*adp;
const unsigned int *op;
o.ln=s;
if (added != NULL)
{
ad.type=ADDED_LNAME;
ad.obj= &o;
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
op=OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
if (op == NULL) return(NID_undef);
return(nid_objs[*op].nid);
}
int OBJ_sn2nid(const char *s)
{
ASN1_OBJECT o;
const ASN1_OBJECT *oo= &o;
ADDED_OBJ ad,*adp;
const unsigned int *op;
o.sn=s;
if (added != NULL)
{
ad.type=ADDED_SNAME;
ad.obj= &o;
adp=lh_ADDED_OBJ_retrieve(added,&ad);
if (adp != NULL) return (adp->obj->nid);
}
op=OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
if (op == NULL) return(NID_undef);
return(nid_objs[*op].nid);
}
const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
int (*cmp)(const void *, const void *))
{
return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
}
const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
int size,
int (*cmp)(const void *, const void *),
int flags)
{
const char *base=base_;
int l,h,i=0,c=0;
const char *p = NULL;
if (num == 0) return(NULL);
l=0;
h=num;
while (l < h)
{
i=(l+h)/2;
p= &(base[i*size]);
c=(*cmp)(key,p);
if (c < 0)
h=i;
else if (c > 0)
l=i+1;
else
break;
}
#ifdef CHARSET_EBCDIC
/* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
* I don't have perl (yet), we revert to a *LINEAR* search
* when the object wasn't found in the binary search.
*/
if (c != 0)
{
for (i=0; i<num; ++i)
{
p= &(base[i*size]);
c = (*cmp)(key,p);
if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
return p;
}
}
#endif
if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
p = NULL;
else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
{
while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
i--;
p = &(base[i*size]);
}
return(p);
}
int OBJ_create_objects(BIO *in)
{
MS_STATIC char buf[512];
int i,num=0;
char *o,*s,*l=NULL;
for (;;)
{
s=o=NULL;
i=BIO_gets(in,buf,512);
if (i <= 0) return(num);
buf[i-1]='\0';
if (!isalnum((unsigned char)buf[0])) return(num);
o=s=buf;
while (isdigit((unsigned char)*s) || (*s == '.'))
s++;
if (*s != '\0')
{
*(s++)='\0';
while (isspace((unsigned char)*s))
s++;
if (*s == '\0')
s=NULL;
else
{
l=s;
while ((*l != '\0') && !isspace((unsigned char)*l))
l++;
if (*l != '\0')
{
*(l++)='\0';
while (isspace((unsigned char)*l))
l++;
if (*l == '\0') l=NULL;
}
else
l=NULL;
}
}
else
s=NULL;
if ((o == NULL) || (*o == '\0')) return(num);
if (!OBJ_create(o,s,l)) return(num);
num++;
}
/* return(num); */
}
int OBJ_create(const char *oid, const char *sn, const char *ln)
{
int ok=0;
ASN1_OBJECT *op=NULL;
unsigned char *buf;
int i;
i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
if (i <= 0) return(0);
if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
{
OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
return(0);
}
i=a2d_ASN1_OBJECT(buf,i,oid,-1);
if (i == 0)
goto err;
op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
if (op == NULL)
goto err;
ok=OBJ_add_object(op);
err:
ASN1_OBJECT_free(op);
OPENSSL_free(buf);
return(ok);
}