obj_dat.c
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上传日期:2020-08-09
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- /* 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>
- /* 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 unsigned char lvalues[1];
- static ASN1_OBJECT nid_objs[1];
- static ASN1_OBJECT *sn_objs[1];
- static ASN1_OBJECT *ln_objs[1];
- static ASN1_OBJECT *obj_objs[1];
- #endif
- static int sn_cmp(const void *a, const void *b);
- static int ln_cmp(const void *a, const void *b);
- static int obj_cmp(const void *a, const void *b);
- #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;
- static int new_nid=NUM_NID;
- static LHASH *added=NULL;
- static int sn_cmp(const void *a, const void *b)
- {
- const ASN1_OBJECT * const *ap = a, * const *bp = b;
- return(strcmp((*ap)->sn,(*bp)->sn));
- }
- static int ln_cmp(const void *a, const void *b)
- {
- const ASN1_OBJECT * const *ap = a, * const *bp = b;
- return(strcmp((*ap)->ln,(*bp)->ln));
- }
- /* static unsigned long add_hash(ADDED_OBJ *ca) */
- static unsigned long add_hash(const void *ca_void)
- {
- const ASN1_OBJECT *a;
- int i;
- unsigned long ret=0;
- unsigned char *p;
- const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
- 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 int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */
- static int add_cmp(const void *ca_void, const void *cb_void)
- {
- ASN1_OBJECT *a,*b;
- int i;
- const ADDED_OBJ *ca = (const ADDED_OBJ *)ca_void;
- const ADDED_OBJ *cb = (const ADDED_OBJ *)cb_void;
- 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 int init_added(void)
- {
- if (added != NULL) return(1);
- added=lh_new(add_hash,add_cmp);
- return(added != NULL);
- }
- static void cleanup1(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(ADDED_OBJ *a)
- { a->obj->nid++; }
- static void cleanup3(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 *)
- void OBJ_cleanup(void)
- {
- if (added == NULL) return;
- added->down_load=0;
- lh_doall(added,LHASH_DOALL_FN(cleanup1)); /* zero counters */
- lh_doall(added,LHASH_DOALL_FN(cleanup2)); /* set counters */
- lh_doall(added,LHASH_DOALL_FN(cleanup3)); /* free objects */
- lh_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=(ADDED_OBJ *)lh_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=(ADDED_OBJ *)lh_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=(ADDED_OBJ *)lh_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=(ADDED_OBJ *)lh_retrieve(added,&ad);
- if (adp != NULL)
- return(adp->obj->ln);
- else
- {
- OBJerr(OBJ_F_OBJ_NID2LN,OBJ_R_UNKNOWN_NID);
- return(NULL);
- }
- }
- }
- int OBJ_obj2nid(const ASN1_OBJECT *a)
- {
- ASN1_OBJECT **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=(ADDED_OBJ *)lh_retrieve(added,&ad);
- if (adp != NULL) return (adp->obj->nid);
- }
- op=(ASN1_OBJECT **)OBJ_bsearch((const char *)&a,(const char *)obj_objs,
- NUM_OBJ, sizeof(ASN1_OBJECT *),obj_cmp);
- if (op == NULL)
- return(NID_undef);
- return((*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;
- unsigned char *p;
- char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2];
- if ((a == NULL) || (a->data == NULL)) {
- buf[0]=' ';
- 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 (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 > 0))
- {
- *buf++ = i + '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 > 0)
- {
- *buf++ = '.';
- 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,*oo= &o,**op;
- ADDED_OBJ ad,*adp;
- o.ln=s;
- if (added != NULL)
- {
- ad.type=ADDED_LNAME;
- ad.obj= &o;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
- if (adp != NULL) return (adp->obj->nid);
- }
- op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)ln_objs, NUM_LN,
- sizeof(ASN1_OBJECT *),ln_cmp);
- if (op == NULL) return(NID_undef);
- return((*op)->nid);
- }
- int OBJ_sn2nid(const char *s)
- {
- ASN1_OBJECT o,*oo= &o,**op;
- ADDED_OBJ ad,*adp;
- o.sn=s;
- if (added != NULL)
- {
- ad.type=ADDED_SNAME;
- ad.obj= &o;
- adp=(ADDED_OBJ *)lh_retrieve(added,&ad);
- if (adp != NULL) return (adp->obj->nid);
- }
- op=(ASN1_OBJECT **)OBJ_bsearch((char *)&oo,(char *)sn_objs,NUM_SN,
- sizeof(ASN1_OBJECT *),sn_cmp);
- if (op == NULL) return(NID_undef);
- return((*op)->nid);
- }
- static int obj_cmp(const void *ap, const void *bp)
- {
- int j;
- const ASN1_OBJECT *a= *(ASN1_OBJECT * const *)ap;
- const ASN1_OBJECT *b= *(ASN1_OBJECT * const *)bp;
- j=(a->length - b->length);
- if (j) return(j);
- return(memcmp(a->data,b->data,a->length));
- }
- const char *OBJ_bsearch(const char *key, const char *base, int num, int size,
- int (*cmp)(const void *, const void *))
- {
- return OBJ_bsearch_ex(key, base, num, size, cmp, 0);
- }
- const char *OBJ_bsearch_ex(const char *key, const char *base, int num,
- int size, int (*cmp)(const void *, const void *), int flags)
- {
- 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]=' ';
- if (!isalnum((unsigned char)buf[0])) return(num);
- o=s=buf;
- while (isdigit((unsigned char)*s) || (*s == '.'))
- s++;
- if (*s != ' ')
- {
- *(s++)=' ';
- while (isspace((unsigned char)*s))
- s++;
- if (*s == ' ')
- s=NULL;
- else
- {
- l=s;
- while ((*l != ' ') && !isspace((unsigned char)*l))
- l++;
- if (*l != ' ')
- {
- *(l++)=' ';
- while (isspace((unsigned char)*l))
- l++;
- if (*l == ' ') l=NULL;
- }
- else
- l=NULL;
- }
- }
- else
- s=NULL;
- if ((o == NULL) || (*o == ' ')) 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);
- }