1 /* crypto/objects/obj_dat.c */
2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
5 * This package is an SSL implementation written
6 * by Eric Young (eay@cryptsoft.com).
7 * The implementation was written so as to conform with Netscapes SSL.
9 * This library is free for commercial and non-commercial use as long as
10 * the following conditions are aheared to. The following conditions
11 * apply to all code found in this distribution, be it the RC4, RSA,
12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation
13 * included with this distribution is covered by the same copyright terms
14 * except that the holder is Tim Hudson (tjh@cryptsoft.com).
16 * Copyright remains Eric Young's, and as such any Copyright notices in
17 * the code are not to be removed.
18 * If this package is used in a product, Eric Young should be given attribution
19 * as the author of the parts of the library used.
20 * This can be in the form of a textual message at program startup or
21 * in documentation (online or textual) provided with the package.
23 * Redistribution and use in source and binary forms, with or without
24 * modification, are permitted provided that the following conditions
26 * 1. Redistributions of source code must retain the copyright
27 * notice, this list of conditions and the following disclaimer.
28 * 2. Redistributions in binary form must reproduce the above copyright
29 * notice, this list of conditions and the following disclaimer in the
30 * documentation and/or other materials provided with the distribution.
31 * 3. All advertising materials mentioning features or use of this software
32 * must display the following acknowledgement:
33 * "This product includes cryptographic software written by
34 * Eric Young (eay@cryptsoft.com)"
35 * The word 'cryptographic' can be left out if the rouines from the library
36 * being used are not cryptographic related :-).
37 * 4. If you include any Windows specific code (or a derivative thereof) from
38 * the apps directory (application code) you must include an acknowledgement:
39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
53 * The licence and distribution terms for any publically available version or
54 * derivative of this code cannot be changed. i.e. this code cannot simply be
55 * copied and put under another distribution licence
56 * [including the GNU Public Licence.]
63 #include <openssl/lhash.h>
64 #include <openssl/asn1.h>
65 #include <openssl/objects.h>
66 #include <openssl/bn.h>
68 /* obj_dat.h is generated from objects.h by obj_dat.pl */
69 #ifndef OPENSSL_NO_OBJECT
72 /* You will have to load all the objects needed manually in the application */
77 static const unsigned char lvalues[1];
78 static const ASN1_OBJECT nid_objs[1];
79 static const unsigned int sn_objs[1];
80 static const unsigned int ln_objs[1];
81 static const unsigned int obj_objs[1];
84 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
85 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
86 DECLARE_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
93 typedef struct added_obj_st
98 DECLARE_LHASH_OF(ADDED_OBJ);
100 static int new_nid=NUM_NID;
101 static LHASH_OF(ADDED_OBJ) *added=NULL;
103 static int sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
104 { return(strcmp((*a)->sn,nid_objs[*b].sn)); }
106 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, sn);
108 static int ln_cmp(const ASN1_OBJECT * const *a, const unsigned int *b)
109 { return(strcmp((*a)->ln,nid_objs[*b].ln)); }
111 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, ln);
113 static unsigned long added_obj_hash(const ADDED_OBJ *ca)
115 const ASN1_OBJECT *a;
125 p=(unsigned char *)a->data;
126 for (i=0; i<a->length; i++)
127 ret^=p[i]<<((i*3)%24);
130 ret=lh_strhash(a->sn);
133 ret=lh_strhash(a->ln);
146 static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ)
148 static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb)
160 i=(a->length - b->length);
162 return(memcmp(a->data,b->data,(size_t)a->length));
164 if (a->sn == NULL) return(-1);
165 else if (b->sn == NULL) return(1);
166 else return(strcmp(a->sn,b->sn));
168 if (a->ln == NULL) return(-1);
169 else if (b->ln == NULL) return(1);
170 else return(strcmp(a->ln,b->ln));
172 return(a->nid-b->nid);
178 static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ)
180 static int init_added(void)
182 if (added != NULL) return(1);
183 added=lh_ADDED_OBJ_new();
184 return(added != NULL);
187 static void cleanup1_doall(ADDED_OBJ *a)
190 a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC|
191 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
192 ASN1_OBJECT_FLAG_DYNAMIC_DATA;
195 static void cleanup2_doall(ADDED_OBJ *a)
198 static void cleanup3_doall(ADDED_OBJ *a)
200 if (--a->obj->nid == 0)
201 ASN1_OBJECT_free(a->obj);
205 static IMPLEMENT_LHASH_DOALL_FN(cleanup1, ADDED_OBJ)
206 static IMPLEMENT_LHASH_DOALL_FN(cleanup2, ADDED_OBJ)
207 static IMPLEMENT_LHASH_DOALL_FN(cleanup3, ADDED_OBJ)
209 /* The purpose of obj_cleanup_defer is to avoid EVP_cleanup() attempting
210 * to use freed up OIDs. If neccessary the actual freeing up of OIDs is
214 int obj_cleanup_defer = 0;
216 void check_defer(int nid)
218 if (!obj_cleanup_defer && nid >= NUM_NID)
219 obj_cleanup_defer = 1;
222 void OBJ_cleanup(void)
224 if (obj_cleanup_defer)
226 obj_cleanup_defer = 2;
229 if (added == NULL) return;
230 lh_ADDED_OBJ_down_load(added) = 0;
231 lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
232 lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
233 lh_ADDED_OBJ_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
234 lh_ADDED_OBJ_free(added);
238 int OBJ_new_nid(int num)
247 int OBJ_add_object(const ASN1_OBJECT *obj)
250 ADDED_OBJ *ao[4]={NULL,NULL,NULL,NULL},*aop;
254 if (!init_added()) return(0);
255 if ((o=OBJ_dup(obj)) == NULL) goto err;
256 if (!(ao[ADDED_NID]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
257 if ((o->length != 0) && (obj->data != NULL))
258 if (!(ao[ADDED_DATA]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
260 if (!(ao[ADDED_SNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
262 if (!(ao[ADDED_LNAME]=(ADDED_OBJ *)OPENSSL_malloc(sizeof(ADDED_OBJ)))) goto err2;
264 for (i=ADDED_DATA; i<=ADDED_NID; i++)
270 aop=lh_ADDED_OBJ_insert(added,ao[i]);
271 /* memory leak, buit should not normally matter */
276 o->flags&= ~(ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|
277 ASN1_OBJECT_FLAG_DYNAMIC_DATA);
281 OBJerr(OBJ_F_OBJ_ADD_OBJECT,ERR_R_MALLOC_FAILURE);
283 for (i=ADDED_DATA; i<=ADDED_NID; i++)
284 if (ao[i] != NULL) OPENSSL_free(ao[i]);
285 if (o != NULL) OPENSSL_free(o);
289 ASN1_OBJECT *OBJ_nid2obj(int n)
294 if ((n >= 0) && (n < NUM_NID))
296 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
298 OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
301 return((ASN1_OBJECT *)&(nid_objs[n]));
303 else if (added == NULL)
310 adp=lh_ADDED_OBJ_retrieve(added,&ad);
315 OBJerr(OBJ_F_OBJ_NID2OBJ,OBJ_R_UNKNOWN_NID);
321 const char *OBJ_nid2sn(int n)
326 if ((n >= 0) && (n < NUM_NID))
328 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
330 OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
333 return(nid_objs[n].sn);
335 else if (added == NULL)
342 adp=lh_ADDED_OBJ_retrieve(added,&ad);
344 return(adp->obj->sn);
347 OBJerr(OBJ_F_OBJ_NID2SN,OBJ_R_UNKNOWN_NID);
353 const char *OBJ_nid2ln(int n)
358 if ((n >= 0) && (n < NUM_NID))
360 if ((n != NID_undef) && (nid_objs[n].nid == NID_undef))
362 OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
365 return(nid_objs[n].ln);
367 else if (added == NULL)
374 adp=lh_ADDED_OBJ_retrieve(added,&ad);
376 return(adp->obj->ln);
379 OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
385 static int obj_cmp(const ASN1_OBJECT * const *ap, const unsigned int *bp)
388 const ASN1_OBJECT *a= *ap;
389 const ASN1_OBJECT *b= &nid_objs[*bp];
391 j=(a->length - b->length);
393 return(memcmp(a->data,b->data,a->length));
396 IMPLEMENT_OBJ_BSEARCH_CMP_FN(const ASN1_OBJECT *, unsigned int, obj);
398 int OBJ_obj2nid(const ASN1_OBJECT *a)
400 const unsigned int *op;
411 ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */
412 adp=lh_ADDED_OBJ_retrieve(added,&ad);
413 if (adp != NULL) return (adp->obj->nid);
415 op=OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ);
418 return(nid_objs[*op].nid);
421 /* Convert an object name into an ASN1_OBJECT
422 * if "noname" is not set then search for short and long names first.
423 * This will convert the "dotted" form into an object: unlike OBJ_txt2nid
424 * it can be used with any objects, not just registered ones.
427 ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name)
430 ASN1_OBJECT *op=NULL;
433 const unsigned char *cp;
437 if( ((nid = OBJ_sn2nid(s)) != NID_undef) ||
438 ((nid = OBJ_ln2nid(s)) != NID_undef) )
439 return OBJ_nid2obj(nid);
442 /* Work out size of content octets */
443 i=a2d_ASN1_OBJECT(NULL,0,s,-1);
445 /* Don't clear the error */
446 /*ERR_clear_error();*/
449 /* Work out total size */
450 j = ASN1_object_size(0,i,V_ASN1_OBJECT);
452 if((buf=(unsigned char *)OPENSSL_malloc(j)) == NULL) return NULL;
455 /* Write out tag+length */
456 ASN1_put_object(&p,0,i,V_ASN1_OBJECT,V_ASN1_UNIVERSAL);
457 /* Write out contents */
458 a2d_ASN1_OBJECT(p,i,s,-1);
461 op=d2i_ASN1_OBJECT(NULL,&cp,j);
466 int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name)
468 int i,n=0,len,nid, first, use_bn;
471 const unsigned char *p;
472 char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
474 if ((a == NULL) || (a->data == NULL)) {
480 if (!no_name && (nid=OBJ_obj2nid(a)) != NID_undef)
489 BUF_strlcpy(buf,s,buf_len);
508 unsigned char c = *p++;
510 if ((len == 0) && (c & 0x80))
514 if (!BN_add_word(bl, c & 0x7f))
521 if (!use_bn && (l > (ULONG_MAX >> 7L)))
523 if (!bl && !(bl = BN_new()))
525 if (!BN_set_word(bl, l))
531 if (!BN_lshift(bl, bl, 7))
546 if (!BN_sub_word(bl, 80))
557 if (buf && (buf_len > 0))
568 bndec = BN_bn2dec(bl);
579 BUF_strlcpy(buf,bndec,buf_len);
597 BIO_snprintf(tbuf,sizeof tbuf,".%lu",l);
599 if (buf && (buf_len > 0))
601 BUF_strlcpy(buf,tbuf,buf_len);
628 int OBJ_txt2nid(const char *s)
632 obj = OBJ_txt2obj(s, 0);
633 nid = OBJ_obj2nid(obj);
634 ASN1_OBJECT_free(obj);
638 int OBJ_ln2nid(const char *s)
641 const ASN1_OBJECT *oo= &o;
643 const unsigned int *op;
650 adp=lh_ADDED_OBJ_retrieve(added,&ad);
651 if (adp != NULL) return (adp->obj->nid);
653 op=OBJ_bsearch_ln(&oo, ln_objs, NUM_LN);
654 if (op == NULL) return(NID_undef);
655 return(nid_objs[*op].nid);
658 int OBJ_sn2nid(const char *s)
661 const ASN1_OBJECT *oo= &o;
663 const unsigned int *op;
670 adp=lh_ADDED_OBJ_retrieve(added,&ad);
671 if (adp != NULL) return (adp->obj->nid);
673 op=OBJ_bsearch_sn(&oo, sn_objs, NUM_SN);
674 if (op == NULL) return(NID_undef);
675 return(nid_objs[*op].nid);
678 const void *OBJ_bsearch_(const void *key, const void *base, int num, int size,
679 int (*cmp)(const void *, const void *))
681 return OBJ_bsearch_ex_(key, base, num, size, cmp, 0);
684 const void *OBJ_bsearch_ex_(const void *key, const void *base_, int num,
686 int (*cmp)(const void *, const void *),
689 const char *base=base_;
691 const char *p = NULL;
693 if (num == 0) return(NULL);
708 #ifdef CHARSET_EBCDIC
709 /* THIS IS A KLUDGE - Because the *_obj is sorted in ASCII order, and
710 * I don't have perl (yet), we revert to a *LINEAR* search
711 * when the object wasn't found in the binary search.
715 for (i=0; i<num; ++i)
719 if (c == 0 || (c < 0 && (flags & OBJ_BSEARCH_VALUE_ON_NOMATCH)))
724 if (c != 0 && !(flags & OBJ_BSEARCH_VALUE_ON_NOMATCH))
726 else if (c == 0 && (flags & OBJ_BSEARCH_FIRST_VALUE_ON_MATCH))
728 while(i > 0 && (*cmp)(key,&(base[(i-1)*size])) == 0)
735 int OBJ_create_objects(BIO *in)
737 MS_STATIC char buf[512];
744 i=BIO_gets(in,buf,512);
745 if (i <= 0) return(num);
747 if (!isalnum((unsigned char)buf[0])) return(num);
749 while (isdigit((unsigned char)*s) || (*s == '.'))
754 while (isspace((unsigned char)*s))
761 while ((*l != '\0') && !isspace((unsigned char)*l))
766 while (isspace((unsigned char)*l))
768 if (*l == '\0') l=NULL;
776 if ((o == NULL) || (*o == '\0')) return(num);
777 if (!OBJ_create(o,s,l)) return(num);
783 int OBJ_create(const char *oid, const char *sn, const char *ln)
786 ASN1_OBJECT *op=NULL;
790 i=a2d_ASN1_OBJECT(NULL,0,oid,-1);
791 if (i <= 0) return(0);
793 if ((buf=(unsigned char *)OPENSSL_malloc(i)) == NULL)
795 OBJerr(OBJ_F_OBJ_CREATE,ERR_R_MALLOC_FAILURE);
798 i=a2d_ASN1_OBJECT(buf,i,oid,-1);
801 op=(ASN1_OBJECT *)ASN1_OBJECT_create(OBJ_new_nid(1),buf,i,sn,ln);
804 ok=OBJ_add_object(op);
806 ASN1_OBJECT_free(op);