diff options
Diffstat (limited to 'drivers/builtin_openssl2/crypto/asn1/asn1_lib.c')
| -rw-r--r-- | drivers/builtin_openssl2/crypto/asn1/asn1_lib.c | 743 |
1 files changed, 372 insertions, 371 deletions
diff --git a/drivers/builtin_openssl2/crypto/asn1/asn1_lib.c b/drivers/builtin_openssl2/crypto/asn1/asn1_lib.c index 1bcb44aee2..0b61fc9309 100644 --- a/drivers/builtin_openssl2/crypto/asn1/asn1_lib.c +++ b/drivers/builtin_openssl2/crypto/asn1/asn1_lib.c @@ -5,21 +5,21 @@ * 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: @@ -34,10 +34,10 @@ * 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 + * 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 @@ -49,7 +49,7 @@ * 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 @@ -62,421 +62,422 @@ #include <openssl/asn1.h> #include <openssl/asn1_mac.h> -static int asn1_get_length(const unsigned char **pp,int *inf,long *rl,int max); +static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, + int max); static void asn1_put_length(unsigned char **pp, int length); -const char ASN1_version[]="ASN.1" OPENSSL_VERSION_PTEXT; +const char ASN1_version[] = "ASN.1" OPENSSL_VERSION_PTEXT; static int _asn1_check_infinite_end(const unsigned char **p, long len) - { - /* If there is 0 or 1 byte left, the length check should pick - * things up */ - if (len <= 0) - return(1); - else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0)) - { - (*p)+=2; - return(1); - } - return(0); - } +{ + /* + * If there is 0 or 1 byte left, the length check should pick things up + */ + if (len <= 0) + return (1); + else if ((len >= 2) && ((*p)[0] == 0) && ((*p)[1] == 0)) { + (*p) += 2; + return (1); + } + return (0); +} int ASN1_check_infinite_end(unsigned char **p, long len) - { - return _asn1_check_infinite_end((const unsigned char **)p, len); - } +{ + return _asn1_check_infinite_end((const unsigned char **)p, len); +} int ASN1_const_check_infinite_end(const unsigned char **p, long len) - { - return _asn1_check_infinite_end(p, len); - } - +{ + return _asn1_check_infinite_end(p, len); +} int ASN1_get_object(const unsigned char **pp, long *plength, int *ptag, - int *pclass, long omax) - { - int i,ret; - long l; - const unsigned char *p= *pp; - int tag,xclass,inf; - long max=omax; - - if (!max) goto err; - ret=(*p&V_ASN1_CONSTRUCTED); - xclass=(*p&V_ASN1_PRIVATE); - i= *p&V_ASN1_PRIMITIVE_TAG; - if (i == V_ASN1_PRIMITIVE_TAG) - { /* high-tag */ - p++; - if (--max == 0) goto err; - l=0; - while (*p&0x80) - { - l<<=7L; - l|= *(p++)&0x7f; - if (--max == 0) goto err; - if (l > (INT_MAX >> 7L)) goto err; - } - l<<=7L; - l|= *(p++)&0x7f; - tag=(int)l; - if (--max == 0) goto err; - } - else - { - tag=i; - p++; - if (--max == 0) goto err; - } - *ptag=tag; - *pclass=xclass; - if (!asn1_get_length(&p,&inf,plength,(int)max)) goto err; + int *pclass, long omax) +{ + int i, ret; + long l; + const unsigned char *p = *pp; + int tag, xclass, inf; + long max = omax; + + if (!max) + goto err; + ret = (*p & V_ASN1_CONSTRUCTED); + xclass = (*p & V_ASN1_PRIVATE); + i = *p & V_ASN1_PRIMITIVE_TAG; + if (i == V_ASN1_PRIMITIVE_TAG) { /* high-tag */ + p++; + if (--max == 0) + goto err; + l = 0; + while (*p & 0x80) { + l <<= 7L; + l |= *(p++) & 0x7f; + if (--max == 0) + goto err; + if (l > (INT_MAX >> 7L)) + goto err; + } + l <<= 7L; + l |= *(p++) & 0x7f; + tag = (int)l; + if (--max == 0) + goto err; + } else { + tag = i; + p++; + if (--max == 0) + goto err; + } + *ptag = tag; + *pclass = xclass; + if (!asn1_get_length(&p, &inf, plength, (int)max)) + goto err; + + if (inf && !(ret & V_ASN1_CONSTRUCTED)) + goto err; #if 0 - fprintf(stderr,"p=%d + *plength=%ld > omax=%ld + *pp=%d (%d > %d)\n", - (int)p,*plength,omax,(int)*pp,(int)(p+ *plength), - (int)(omax+ *pp)); + fprintf(stderr, "p=%d + *plength=%ld > omax=%ld + *pp=%d (%d > %d)\n", + (int)p, *plength, omax, (int)*pp, (int)(p + *plength), + (int)(omax + *pp)); #endif - if (*plength > (omax - (p - *pp))) - { - ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_TOO_LONG); - /* Set this so that even if things are not long enough - * the values are set correctly */ - ret|=0x80; - } - *pp=p; - return(ret|inf); -err: - ASN1err(ASN1_F_ASN1_GET_OBJECT,ASN1_R_HEADER_TOO_LONG); - return(0x80); - } - -static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, int max) - { - const unsigned char *p= *pp; - unsigned long ret=0; - unsigned int i; - - if (max-- < 1) return(0); - if (*p == 0x80) - { - *inf=1; - ret=0; - p++; - } - else - { - *inf=0; - i= *p&0x7f; - if (*(p++) & 0x80) - { - if (i > sizeof(long)) - return 0; - if (max-- == 0) return(0); - while (i-- > 0) - { - ret<<=8L; - ret|= *(p++); - if (max-- == 0) return(0); - } - } - else - ret=i; - } - if (ret > LONG_MAX) - return 0; - *pp=p; - *rl=(long)ret; - return(1); - } - -/* class 0 is constructed - * constructed == 2 for indefinite length constructed */ + if (*plength > (omax - (p - *pp))) { + ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_TOO_LONG); + /* + * Set this so that even if things are not long enough the values are + * set correctly + */ + ret |= 0x80; + } + *pp = p; + return (ret | inf); + err: + ASN1err(ASN1_F_ASN1_GET_OBJECT, ASN1_R_HEADER_TOO_LONG); + return (0x80); +} + +static int asn1_get_length(const unsigned char **pp, int *inf, long *rl, + int max) +{ + const unsigned char *p = *pp; + unsigned long ret = 0; + unsigned int i; + + if (max-- < 1) + return (0); + if (*p == 0x80) { + *inf = 1; + ret = 0; + p++; + } else { + *inf = 0; + i = *p & 0x7f; + if (*(p++) & 0x80) { + if (i > sizeof(long)) + return 0; + if (max-- == 0) + return (0); + while (i-- > 0) { + ret <<= 8L; + ret |= *(p++); + if (max-- == 0) + return (0); + } + } else + ret = i; + } + if (ret > LONG_MAX) + return 0; + *pp = p; + *rl = (long)ret; + return (1); +} + +/* + * class 0 is constructed constructed == 2 for indefinite length constructed + */ void ASN1_put_object(unsigned char **pp, int constructed, int length, int tag, - int xclass) - { - unsigned char *p= *pp; - int i, ttag; - - i=(constructed)?V_ASN1_CONSTRUCTED:0; - i|=(xclass&V_ASN1_PRIVATE); - if (tag < 31) - *(p++)=i|(tag&V_ASN1_PRIMITIVE_TAG); - else - { - *(p++)=i|V_ASN1_PRIMITIVE_TAG; - for(i = 0, ttag = tag; ttag > 0; i++) ttag >>=7; - ttag = i; - while(i-- > 0) - { - p[i] = tag & 0x7f; - if(i != (ttag - 1)) p[i] |= 0x80; - tag >>= 7; - } - p += ttag; - } - if (constructed == 2) - *(p++)=0x80; - else - asn1_put_length(&p,length); - *pp=p; - } + int xclass) +{ + unsigned char *p = *pp; + int i, ttag; + + i = (constructed) ? V_ASN1_CONSTRUCTED : 0; + i |= (xclass & V_ASN1_PRIVATE); + if (tag < 31) + *(p++) = i | (tag & V_ASN1_PRIMITIVE_TAG); + else { + *(p++) = i | V_ASN1_PRIMITIVE_TAG; + for (i = 0, ttag = tag; ttag > 0; i++) + ttag >>= 7; + ttag = i; + while (i-- > 0) { + p[i] = tag & 0x7f; + if (i != (ttag - 1)) + p[i] |= 0x80; + tag >>= 7; + } + p += ttag; + } + if (constructed == 2) + *(p++) = 0x80; + else + asn1_put_length(&p, length); + *pp = p; +} int ASN1_put_eoc(unsigned char **pp) - { - unsigned char *p = *pp; - *p++ = 0; - *p++ = 0; - *pp = p; - return 2; - } +{ + unsigned char *p = *pp; + *p++ = 0; + *p++ = 0; + *pp = p; + return 2; +} static void asn1_put_length(unsigned char **pp, int length) - { - unsigned char *p= *pp; - int i,l; - if (length <= 127) - *(p++)=(unsigned char)length; - else - { - l=length; - for (i=0; l > 0; i++) - l>>=8; - *(p++)=i|0x80; - l=i; - while (i-- > 0) - { - p[i]=length&0xff; - length>>=8; - } - p+=l; - } - *pp=p; - } +{ + unsigned char *p = *pp; + int i, l; + if (length <= 127) + *(p++) = (unsigned char)length; + else { + l = length; + for (i = 0; l > 0; i++) + l >>= 8; + *(p++) = i | 0x80; + l = i; + while (i-- > 0) { + p[i] = length & 0xff; + length >>= 8; + } + p += l; + } + *pp = p; +} int ASN1_object_size(int constructed, int length, int tag) - { - int ret; - - ret=length; - ret++; - if (tag >= 31) - { - while (tag > 0) - { - tag>>=7; - ret++; - } - } - if (constructed == 2) - return ret + 3; - ret++; - if (length > 127) - { - while (length > 0) - { - length>>=8; - ret++; - } - } - return(ret); - } +{ + int ret; + + ret = length; + ret++; + if (tag >= 31) { + while (tag > 0) { + tag >>= 7; + ret++; + } + } + if (constructed == 2) + return ret + 3; + ret++; + if (length > 127) { + while (length > 0) { + length >>= 8; + ret++; + } + } + return (ret); +} static int _asn1_Finish(ASN1_const_CTX *c) - { - if ((c->inf == (1|V_ASN1_CONSTRUCTED)) && (!c->eos)) - { - if (!ASN1_const_check_infinite_end(&c->p,c->slen)) - { - c->error=ERR_R_MISSING_ASN1_EOS; - return(0); - } - } - if ( ((c->slen != 0) && !(c->inf & 1)) || - ((c->slen < 0) && (c->inf & 1))) - { - c->error=ERR_R_ASN1_LENGTH_MISMATCH; - return(0); - } - return(1); - } +{ + if ((c->inf == (1 | V_ASN1_CONSTRUCTED)) && (!c->eos)) { + if (!ASN1_const_check_infinite_end(&c->p, c->slen)) { + c->error = ERR_R_MISSING_ASN1_EOS; + return (0); + } + } + if (((c->slen != 0) && !(c->inf & 1)) || ((c->slen < 0) && (c->inf & 1))) { + c->error = ERR_R_ASN1_LENGTH_MISMATCH; + return (0); + } + return (1); +} int asn1_Finish(ASN1_CTX *c) - { - return _asn1_Finish((ASN1_const_CTX *)c); - } +{ + return _asn1_Finish((ASN1_const_CTX *)c); +} int asn1_const_Finish(ASN1_const_CTX *c) - { - return _asn1_Finish(c); - } +{ + return _asn1_Finish(c); +} int asn1_GetSequence(ASN1_const_CTX *c, long *length) - { - const unsigned char *q; - - q=c->p; - c->inf=ASN1_get_object(&(c->p),&(c->slen),&(c->tag),&(c->xclass), - *length); - if (c->inf & 0x80) - { - c->error=ERR_R_BAD_GET_ASN1_OBJECT_CALL; - return(0); - } - if (c->tag != V_ASN1_SEQUENCE) - { - c->error=ERR_R_EXPECTING_AN_ASN1_SEQUENCE; - return(0); - } - (*length)-=(c->p-q); - if (c->max && (*length < 0)) - { - c->error=ERR_R_ASN1_LENGTH_MISMATCH; - return(0); - } - if (c->inf == (1|V_ASN1_CONSTRUCTED)) - c->slen= *length+ *(c->pp)-c->p; - c->eos=0; - return(1); - } +{ + const unsigned char *q; + + q = c->p; + c->inf = ASN1_get_object(&(c->p), &(c->slen), &(c->tag), &(c->xclass), + *length); + if (c->inf & 0x80) { + c->error = ERR_R_BAD_GET_ASN1_OBJECT_CALL; + return (0); + } + if (c->tag != V_ASN1_SEQUENCE) { + c->error = ERR_R_EXPECTING_AN_ASN1_SEQUENCE; + return (0); + } + (*length) -= (c->p - q); + if (c->max && (*length < 0)) { + c->error = ERR_R_ASN1_LENGTH_MISMATCH; + return (0); + } + if (c->inf == (1 | V_ASN1_CONSTRUCTED)) + c->slen = *length + *(c->pp) - c->p; + c->eos = 0; + return (1); +} int ASN1_STRING_copy(ASN1_STRING *dst, const ASN1_STRING *str) - { - if (str == NULL) - return 0; - dst->type = str->type; - if (!ASN1_STRING_set(dst,str->data,str->length)) - return 0; - dst->flags = str->flags; - return 1; - } +{ + if (str == NULL) + return 0; + dst->type = str->type; + if (!ASN1_STRING_set(dst, str->data, str->length)) + return 0; + dst->flags = str->flags; + return 1; +} ASN1_STRING *ASN1_STRING_dup(const ASN1_STRING *str) - { - ASN1_STRING *ret; - if (!str) - return NULL; - ret=ASN1_STRING_new(); - if (!ret) - return NULL; - if (!ASN1_STRING_copy(ret,str)) - { - ASN1_STRING_free(ret); - return NULL; - } - return ret; - } +{ + ASN1_STRING *ret; + if (!str) + return NULL; + ret = ASN1_STRING_new(); + if (!ret) + return NULL; + if (!ASN1_STRING_copy(ret, str)) { + ASN1_STRING_free(ret); + return NULL; + } + return ret; +} int ASN1_STRING_set(ASN1_STRING *str, const void *_data, int len) - { - unsigned char *c; - const char *data=_data; - - if (len < 0) - { - if (data == NULL) - return(0); - else - len=strlen(data); - } - if ((str->length < len) || (str->data == NULL)) - { - c=str->data; - if (c == NULL) - str->data=OPENSSL_malloc(len+1); - else - str->data=OPENSSL_realloc(c,len+1); - - if (str->data == NULL) - { - ASN1err(ASN1_F_ASN1_STRING_SET,ERR_R_MALLOC_FAILURE); - str->data=c; - return(0); - } - } - str->length=len; - if (data != NULL) - { - memcpy(str->data,data,len); - /* an allowance for strings :-) */ - str->data[len]='\0'; - } - return(1); - } +{ + unsigned char *c; + const char *data = _data; + + if (len < 0) { + if (data == NULL) + return (0); + else + len = strlen(data); + } + if ((str->length < len) || (str->data == NULL)) { + c = str->data; + if (c == NULL) + str->data = OPENSSL_malloc(len + 1); + else + str->data = OPENSSL_realloc(c, len + 1); + + if (str->data == NULL) { + ASN1err(ASN1_F_ASN1_STRING_SET, ERR_R_MALLOC_FAILURE); + str->data = c; + return (0); + } + } + str->length = len; + if (data != NULL) { + memcpy(str->data, data, len); + /* an allowance for strings :-) */ + str->data[len] = '\0'; + } + return (1); +} void ASN1_STRING_set0(ASN1_STRING *str, void *data, int len) - { - if (str->data) - OPENSSL_free(str->data); - str->data = data; - str->length = len; - } +{ + if (str->data) + OPENSSL_free(str->data); + str->data = data; + str->length = len; +} ASN1_STRING *ASN1_STRING_new(void) - { - return(ASN1_STRING_type_new(V_ASN1_OCTET_STRING)); - } - +{ + return (ASN1_STRING_type_new(V_ASN1_OCTET_STRING)); +} ASN1_STRING *ASN1_STRING_type_new(int type) - { - ASN1_STRING *ret; - - ret=(ASN1_STRING *)OPENSSL_malloc(sizeof(ASN1_STRING)); - if (ret == NULL) - { - ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->length=0; - ret->type=type; - ret->data=NULL; - ret->flags=0; - return(ret); - } +{ + ASN1_STRING *ret; + + ret = (ASN1_STRING *)OPENSSL_malloc(sizeof(ASN1_STRING)); + if (ret == NULL) { + ASN1err(ASN1_F_ASN1_STRING_TYPE_NEW, ERR_R_MALLOC_FAILURE); + return (NULL); + } + ret->length = 0; + ret->type = type; + ret->data = NULL; + ret->flags = 0; + return (ret); +} void ASN1_STRING_free(ASN1_STRING *a) - { - if (a == NULL) return; - if (a->data && !(a->flags & ASN1_STRING_FLAG_NDEF)) - OPENSSL_free(a->data); - OPENSSL_free(a); - } +{ + if (a == NULL) + return; + if (a->data && !(a->flags & ASN1_STRING_FLAG_NDEF)) + OPENSSL_free(a->data); + OPENSSL_free(a); +} + +void ASN1_STRING_clear_free(ASN1_STRING *a) +{ + if (a && a->data && !(a->flags & ASN1_STRING_FLAG_NDEF)) + OPENSSL_cleanse(a->data, a->length); + ASN1_STRING_free(a); +} int ASN1_STRING_cmp(const ASN1_STRING *a, const ASN1_STRING *b) - { - int i; - - i=(a->length-b->length); - if (i == 0) - { - i=memcmp(a->data,b->data,a->length); - if (i == 0) - return(a->type-b->type); - else - return(i); - } - else - return(i); - } +{ + int i; + + i = (a->length - b->length); + if (i == 0) { + i = memcmp(a->data, b->data, a->length); + if (i == 0) + return (a->type - b->type); + else + return (i); + } else + return (i); +} void asn1_add_error(const unsigned char *address, int offset) - { - char buf1[DECIMAL_SIZE(address)+1],buf2[DECIMAL_SIZE(offset)+1]; +{ + char buf1[DECIMAL_SIZE(address) + 1], buf2[DECIMAL_SIZE(offset) + 1]; - BIO_snprintf(buf1,sizeof buf1,"%lu",(unsigned long)address); - BIO_snprintf(buf2,sizeof buf2,"%d",offset); - ERR_add_error_data(4,"address=",buf1," offset=",buf2); - } + BIO_snprintf(buf1, sizeof buf1, "%lu", (unsigned long)address); + BIO_snprintf(buf2, sizeof buf2, "%d", offset); + ERR_add_error_data(4, "address=", buf1, " offset=", buf2); +} int ASN1_STRING_length(const ASN1_STRING *x) -{ return M_ASN1_STRING_length(x); } +{ + return M_ASN1_STRING_length(x); +} void ASN1_STRING_length_set(ASN1_STRING *x, int len) -{ M_ASN1_STRING_length_set(x, len); return; } +{ + M_ASN1_STRING_length_set(x, len); + return; +} int ASN1_STRING_type(ASN1_STRING *x) -{ return M_ASN1_STRING_type(x); } - -unsigned char * ASN1_STRING_data(ASN1_STRING *x) -{ return M_ASN1_STRING_data(x); } +{ + return M_ASN1_STRING_type(x); +} + +unsigned char *ASN1_STRING_data(ASN1_STRING *x) +{ + return M_ASN1_STRING_data(x); +} |