diff options
Diffstat (limited to 'crypto/objects/obj_dat.c')
| -rw-r--r-- | crypto/objects/obj_dat.c | 363 |
1 files changed, 242 insertions, 121 deletions
diff --git a/crypto/objects/obj_dat.c b/crypto/objects/obj_dat.c index 15f813a489..8a342ba3eb 100644 --- a/crypto/objects/obj_dat.c +++ b/crypto/objects/obj_dat.c @@ -58,10 +58,12 @@ #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 @@ -72,16 +74,17 @@ #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]; +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 -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); +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 @@ -92,30 +95,27 @@ 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 *added=NULL; +static LHASH_OF(ADDED_OBJ) *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 sn_cmp(const ASN1_OBJECT * const *a, const unsigned int *b) + { return(strcmp((*a)->sn,nid_objs[*b].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)); - } +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 add_hash(ADDED_OBJ *ca) */ -static unsigned long add_hash(const void *ca_void) +static unsigned long added_obj_hash(const ADDED_OBJ *ca) { const ASN1_OBJECT *a; int i; unsigned long ret=0; unsigned char *p; - ADDED_OBJ *ca = (ADDED_OBJ *)ca_void; a=ca->obj; switch (ca->type) @@ -143,14 +143,12 @@ static unsigned long add_hash(const void *ca_void) ret|=ca->type<<30L; return(ret); } +static IMPLEMENT_LHASH_HASH_FN(added_obj, ADDED_OBJ) -/* static int add_cmp(ADDED_OBJ *ca, ADDED_OBJ *cb) */ -static int add_cmp(const void *ca_void, const void *cb_void) +static int added_obj_cmp(const ADDED_OBJ *ca, const ADDED_OBJ *cb) { ASN1_OBJECT *a,*b; int i; - ADDED_OBJ *ca = (ADDED_OBJ *)ca_void; - ADDED_OBJ *cb = (ADDED_OBJ *)cb_void; i=ca->type-cb->type; if (i) return(i); @@ -161,7 +159,7 @@ static int add_cmp(const void *ca_void, const void *cb_void) case ADDED_DATA: i=(a->length - b->length); if (i) return(i); - return(memcmp(a->data,b->data,a->length)); + 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); @@ -177,15 +175,16 @@ static int add_cmp(const void *ca_void, const void *cb_void) return 0; } } +static IMPLEMENT_LHASH_COMP_FN(added_obj, ADDED_OBJ) static int init_added(void) { if (added != NULL) return(1); - added=lh_new(add_hash,add_cmp); + added=lh_ADDED_OBJ_new(); return(added != NULL); } -static void cleanup1(ADDED_OBJ *a) +static void cleanup1_doall(ADDED_OBJ *a) { a->obj->nid=0; a->obj->flags|=ASN1_OBJECT_FLAG_DYNAMIC| @@ -193,28 +192,46 @@ static void cleanup1(ADDED_OBJ *a) ASN1_OBJECT_FLAG_DYNAMIC_DATA; } -static void cleanup2(ADDED_OBJ *a) +static void cleanup2_doall(ADDED_OBJ *a) { a->obj->nid++; } -static void cleanup3(ADDED_OBJ *a) +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 *) +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; - 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); + 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; } @@ -250,7 +267,7 @@ int OBJ_add_object(const ASN1_OBJECT *obj) { ao[i]->type=i; ao[i]->obj=o; - aop=(ADDED_OBJ *)lh_insert(added,ao[i]); + aop=lh_ADDED_OBJ_insert(added,ao[i]); /* memory leak, buit should not normally matter */ if (aop != NULL) OPENSSL_free(aop); @@ -290,7 +307,7 @@ ASN1_OBJECT *OBJ_nid2obj(int n) ad.type=ADDED_NID; ad.obj= &ob; ob.nid=n; - adp=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_retrieve(added,&ad); if (adp != NULL) return(adp->obj); else @@ -322,7 +339,7 @@ const char *OBJ_nid2sn(int n) ad.type=ADDED_NID; ad.obj= &ob; ob.nid=n; - adp=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_retrieve(added,&ad); if (adp != NULL) return(adp->obj->sn); else @@ -354,7 +371,7 @@ const char *OBJ_nid2ln(int n) ad.type=ADDED_NID; ad.obj= &ob; ob.nid=n; - adp=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_retrieve(added,&ad); if (adp != NULL) return(adp->obj->ln); else @@ -365,9 +382,22 @@ const char *OBJ_nid2ln(int n) } } +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) { - ASN1_OBJECT **op; + const unsigned int *op; ADDED_OBJ ad,*adp; if (a == NULL) @@ -379,14 +409,13 @@ int OBJ_obj2nid(const ASN1_OBJECT *a) { ad.type=ADDED_DATA; ad.obj=(ASN1_OBJECT *)a; /* XXX: ugly but harmless */ - adp=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_retrieve(added,&ad); if (adp != NULL) return (adp->obj->nid); } - op=(ASN1_OBJECT **)OBJ_bsearch((char *)&a,(char *)obj_objs,NUM_OBJ, - sizeof(ASN1_OBJECT *),obj_cmp); + op=OBJ_bsearch_obj(&a, obj_objs, NUM_OBJ); if (op == NULL) return(NID_undef); - return((*op)->nid); + return(nid_objs[*op].nid); } /* Convert an object name into an ASN1_OBJECT @@ -413,8 +442,8 @@ ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name) /* Work out size of content octets */ i=a2d_ASN1_OBJECT(NULL,0,s,-1); if (i <= 0) { - /* Clear the error */ - ERR_get_error(); + /* Don't clear the error */ + /*ERR_clear_error();*/ return NULL; } /* Work out total size */ @@ -436,66 +465,164 @@ ASN1_OBJECT *OBJ_txt2obj(const char *s, int no_name) int OBJ_obj2txt(char *buf, int buf_len, const ASN1_OBJECT *a, int no_name) { - int i,idx=0,n=0,len,nid; + int i,n=0,len,nid, first, use_bn; + BIGNUM *bl; unsigned long l; - unsigned char *p; - const char *s; + const unsigned char *p; char tbuf[DECIMAL_SIZE(i)+DECIMAL_SIZE(l)+2]; - if (buf_len <= 0) return(0); - if ((a == NULL) || (a->data == NULL)) { buf[0]='\0'; return(0); } - if (no_name || (nid=OBJ_obj2nid(a)) == NID_undef) { - len=a->length; - p=a->data; - idx=0; - l=0; - while (idx < a->length) { - l|=(p[idx]&0x7f); - if (!(p[idx] & 0x80)) break; - l<<=7L; - idx++; + 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; + } } - idx++; - i=(int)(l/40); - if (i > 2) i=2; - l-=(long)(i*40); - - BIO_snprintf(tbuf,sizeof tbuf,"%d.%lu",i,l); - i=strlen(tbuf); - BUF_strlcpy(buf,tbuf,buf_len); - buf_len-=i; - buf+=i; - n+=i; + + len=a->length; + p=a->data; + + first = 1; + bl = NULL; + + while (len > 0) + { l=0; - for (; idx<len; idx++) { - l|=p[idx]&0x7f; - if (!(p[idx] & 0x80)) { - BIO_snprintf(tbuf,sizeof tbuf,".%lu",l); - i=strlen(tbuf); + 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_strlcpy(buf,tbuf,buf_len); - buf_len-=i; - buf+=i; - n+=i; - l=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; } - l<<=7L; } - } else { - s=OBJ_nid2ln(nid); - if (s == NULL) - s=OBJ_nid2sn(nid); - BUF_strlcpy(buf,s,buf_len); - n=strlen(s); - } - return(n); + + if (bl) + BN_free(bl); + return n; + + err: + if (bl) + BN_free(bl); + return -1; } int OBJ_txt2nid(const char *s) @@ -510,62 +637,56 @@ int OBJ_txt2nid(const char *s) int OBJ_ln2nid(const char *s) { - ASN1_OBJECT o,*oo= &o,**op; + 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=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_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); + op=OBJ_bsearch_ln(&oo, ln_objs, NUM_LN); if (op == NULL) return(NID_undef); - return((*op)->nid); + return(nid_objs[*op].nid); } int OBJ_sn2nid(const char *s) { - ASN1_OBJECT o,*oo= &o,**op; + 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=(ADDED_OBJ *)lh_retrieve(added,&ad); + adp=lh_ADDED_OBJ_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); + op=OBJ_bsearch_sn(&oo, sn_objs, NUM_SN); if (op == NULL) return(NID_undef); - return((*op)->nid); + return(nid_objs[*op].nid); } -static int obj_cmp(const void *ap, const void *bp) - { - int j; - ASN1_OBJECT *a= *(ASN1_OBJECT **)ap; - ASN1_OBJECT *b= *(ASN1_OBJECT **)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 *)) +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); + 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) +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; |