diff options
Diffstat (limited to 'openssl/crypto/asn1/a_object.c')
| -rw-r--r-- | openssl/crypto/asn1/a_object.c | 615 |
1 files changed, 301 insertions, 314 deletions
diff --git a/openssl/crypto/asn1/a_object.c b/openssl/crypto/asn1/a_object.c index 77b276896..27f9c1691 100644 --- a/openssl/crypto/asn1/a_object.c +++ b/openssl/crypto/asn1/a_object.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 @@ -65,351 +65,338 @@ #include <openssl/bn.h> int i2d_ASN1_OBJECT(ASN1_OBJECT *a, unsigned char **pp) - { - unsigned char *p; - int objsize; +{ + unsigned char *p; + int objsize; - if ((a == NULL) || (a->data == NULL)) return(0); + if ((a == NULL) || (a->data == NULL)) + return (0); - objsize = ASN1_object_size(0,a->length,V_ASN1_OBJECT); - if (pp == NULL) return objsize; + objsize = ASN1_object_size(0, a->length, V_ASN1_OBJECT); + if (pp == NULL) + return objsize; - p= *pp; - ASN1_put_object(&p,0,a->length,V_ASN1_OBJECT,V_ASN1_UNIVERSAL); - memcpy(p,a->data,a->length); - p+=a->length; + p = *pp; + ASN1_put_object(&p, 0, a->length, V_ASN1_OBJECT, V_ASN1_UNIVERSAL); + memcpy(p, a->data, a->length); + p += a->length; - *pp=p; - return(objsize); - } + *pp = p; + return (objsize); +} int a2d_ASN1_OBJECT(unsigned char *out, int olen, const char *buf, int num) - { - int i,first,len=0,c, use_bn; - char ftmp[24], *tmp = ftmp; - int tmpsize = sizeof ftmp; - const char *p; - unsigned long l; - BIGNUM *bl = NULL; +{ + int i, first, len = 0, c, use_bn; + char ftmp[24], *tmp = ftmp; + int tmpsize = sizeof ftmp; + const char *p; + unsigned long l; + BIGNUM *bl = NULL; - if (num == 0) - return(0); - else if (num == -1) - num=strlen(buf); + if (num == 0) + return (0); + else if (num == -1) + num = strlen(buf); - p=buf; - c= *(p++); - num--; - if ((c >= '0') && (c <= '2')) - { - first= c-'0'; - } - else - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_FIRST_NUM_TOO_LARGE); - goto err; - } + p = buf; + c = *(p++); + num--; + if ((c >= '0') && (c <= '2')) { + first = c - '0'; + } else { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_FIRST_NUM_TOO_LARGE); + goto err; + } - if (num <= 0) - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_MISSING_SECOND_NUMBER); - goto err; - } - c= *(p++); - num--; - for (;;) - { - if (num <= 0) break; - if ((c != '.') && (c != ' ')) - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_SEPARATOR); - goto err; - } - l=0; - use_bn = 0; - for (;;) - { - if (num <= 0) break; - num--; - c= *(p++); - if ((c == ' ') || (c == '.')) - break; - if ((c < '0') || (c > '9')) - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_INVALID_DIGIT); - goto err; - } - if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) - { - use_bn = 1; - if (!bl) - bl = BN_new(); - if (!bl || !BN_set_word(bl, l)) - goto err; - } - if (use_bn) - { - if (!BN_mul_word(bl, 10L) - || !BN_add_word(bl, c-'0')) - goto err; - } - else - l=l*10L+(long)(c-'0'); - } - if (len == 0) - { - if ((first < 2) && (l >= 40)) - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_SECOND_NUMBER_TOO_LARGE); - goto err; - } - if (use_bn) - { - if (!BN_add_word(bl, first * 40)) - goto err; - } - else - l+=(long)first*40; - } - i=0; - if (use_bn) - { - int blsize; - blsize = BN_num_bits(bl); - blsize = (blsize + 6)/7; - if (blsize > tmpsize) - { - if (tmp != ftmp) - OPENSSL_free(tmp); - tmpsize = blsize + 32; - tmp = OPENSSL_malloc(tmpsize); - if (!tmp) - goto err; - } - while(blsize--) - tmp[i++] = (unsigned char)BN_div_word(bl, 0x80L); - } - else - { - - for (;;) - { - tmp[i++]=(unsigned char)l&0x7f; - l>>=7L; - if (l == 0L) break; - } + if (num <= 0) { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_MISSING_SECOND_NUMBER); + goto err; + } + c = *(p++); + num--; + for (;;) { + if (num <= 0) + break; + if ((c != '.') && (c != ' ')) { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_INVALID_SEPARATOR); + goto err; + } + l = 0; + use_bn = 0; + for (;;) { + if (num <= 0) + break; + num--; + c = *(p++); + if ((c == ' ') || (c == '.')) + break; + if ((c < '0') || (c > '9')) { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_INVALID_DIGIT); + goto err; + } + if (!use_bn && l >= ((ULONG_MAX - 80) / 10L)) { + use_bn = 1; + if (!bl) + bl = BN_new(); + if (!bl || !BN_set_word(bl, l)) + goto err; + } + if (use_bn) { + if (!BN_mul_word(bl, 10L) + || !BN_add_word(bl, c - '0')) + goto err; + } else + l = l * 10L + (long)(c - '0'); + } + if (len == 0) { + if ((first < 2) && (l >= 40)) { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, + ASN1_R_SECOND_NUMBER_TOO_LARGE); + goto err; + } + if (use_bn) { + if (!BN_add_word(bl, first * 40)) + goto err; + } else + l += (long)first *40; + } + i = 0; + if (use_bn) { + int blsize; + blsize = BN_num_bits(bl); + blsize = (blsize + 6) / 7; + if (blsize > tmpsize) { + if (tmp != ftmp) + OPENSSL_free(tmp); + tmpsize = blsize + 32; + tmp = OPENSSL_malloc(tmpsize); + if (!tmp) + goto err; + } + while (blsize--) + tmp[i++] = (unsigned char)BN_div_word(bl, 0x80L); + } else { - } - if (out != NULL) - { - if (len+i > olen) - { - ASN1err(ASN1_F_A2D_ASN1_OBJECT,ASN1_R_BUFFER_TOO_SMALL); - goto err; - } - while (--i > 0) - out[len++]=tmp[i]|0x80; - out[len++]=tmp[0]; - } - else - len+=i; - } - if (tmp != ftmp) - OPENSSL_free(tmp); - if (bl) - BN_free(bl); - return(len); -err: - if (tmp != ftmp) - OPENSSL_free(tmp); - if (bl) - BN_free(bl); - return(0); - } + for (;;) { + tmp[i++] = (unsigned char)l & 0x7f; + l >>= 7L; + if (l == 0L) + break; + } + + } + if (out != NULL) { + if (len + i > olen) { + ASN1err(ASN1_F_A2D_ASN1_OBJECT, ASN1_R_BUFFER_TOO_SMALL); + goto err; + } + while (--i > 0) + out[len++] = tmp[i] | 0x80; + out[len++] = tmp[0]; + } else + len += i; + } + if (tmp != ftmp) + OPENSSL_free(tmp); + if (bl) + BN_free(bl); + return (len); + err: + if (tmp != ftmp) + OPENSSL_free(tmp); + if (bl) + BN_free(bl); + return (0); +} int i2t_ASN1_OBJECT(char *buf, int buf_len, ASN1_OBJECT *a) { - return OBJ_obj2txt(buf, buf_len, a, 0); + return OBJ_obj2txt(buf, buf_len, a, 0); } int i2a_ASN1_OBJECT(BIO *bp, ASN1_OBJECT *a) - { - char buf[80], *p = buf; - int i; +{ + char buf[80], *p = buf; + int i; - if ((a == NULL) || (a->data == NULL)) - return(BIO_write(bp,"NULL",4)); - i=i2t_ASN1_OBJECT(buf,sizeof buf,a); - if (i > (int)(sizeof(buf) - 1)) - { - p = OPENSSL_malloc(i + 1); - if (!p) - return -1; - i2t_ASN1_OBJECT(p,i + 1,a); - } - if (i <= 0) - return BIO_write(bp, "<INVALID>", 9); - BIO_write(bp,p,i); - if (p != buf) - OPENSSL_free(p); - return(i); - } + if ((a == NULL) || (a->data == NULL)) + return (BIO_write(bp, "NULL", 4)); + i = i2t_ASN1_OBJECT(buf, sizeof buf, a); + if (i > (int)(sizeof(buf) - 1)) { + p = OPENSSL_malloc(i + 1); + if (!p) + return -1; + i2t_ASN1_OBJECT(p, i + 1, a); + } + if (i <= 0) + return BIO_write(bp, "<INVALID>", 9); + BIO_write(bp, p, i); + if (p != buf) + OPENSSL_free(p); + return (i); +} ASN1_OBJECT *d2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, - long length) + long length) { - const unsigned char *p; - long len; - int tag,xclass; - int inf,i; - ASN1_OBJECT *ret = NULL; - p= *pp; - inf=ASN1_get_object(&p,&len,&tag,&xclass,length); - if (inf & 0x80) - { - i=ASN1_R_BAD_OBJECT_HEADER; - goto err; - } + const unsigned char *p; + long len; + int tag, xclass; + int inf, i; + ASN1_OBJECT *ret = NULL; + p = *pp; + inf = ASN1_get_object(&p, &len, &tag, &xclass, length); + if (inf & 0x80) { + i = ASN1_R_BAD_OBJECT_HEADER; + goto err; + } - if (tag != V_ASN1_OBJECT) - { - i=ASN1_R_EXPECTING_AN_OBJECT; - goto err; - } - ret = c2i_ASN1_OBJECT(a, &p, len); - if(ret) *pp = p; - return ret; -err: - ASN1err(ASN1_F_D2I_ASN1_OBJECT,i); - return(NULL); + if (tag != V_ASN1_OBJECT) { + i = ASN1_R_EXPECTING_AN_OBJECT; + goto err; + } + ret = c2i_ASN1_OBJECT(a, &p, len); + if (ret) + *pp = p; + return ret; + err: + ASN1err(ASN1_F_D2I_ASN1_OBJECT, i); + return (NULL); } ASN1_OBJECT *c2i_ASN1_OBJECT(ASN1_OBJECT **a, const unsigned char **pp, - long len) - { - ASN1_OBJECT *ret=NULL; - const unsigned char *p; - unsigned char *data; - int i, length; + long len) +{ + ASN1_OBJECT *ret = NULL; + const unsigned char *p; + unsigned char *data; + int i, length; - /* Sanity check OID encoding. - * Need at least one content octet. - * MSB must be clear in the last octet. - * can't have leading 0x80 in subidentifiers, see: X.690 8.19.2 - */ - if (len <= 0 || len > INT_MAX || pp == NULL || (p = *pp) == NULL || - p[len - 1] & 0x80) - { - ASN1err(ASN1_F_C2I_ASN1_OBJECT,ASN1_R_INVALID_OBJECT_ENCODING); - return NULL; - } - /* Now 0 < len <= INT_MAX, so the cast is safe. */ - length = (int)len; - for (i = 0; i < length; i++, p++) - { - if (*p == 0x80 && (!i || !(p[-1] & 0x80))) - { - ASN1err(ASN1_F_C2I_ASN1_OBJECT,ASN1_R_INVALID_OBJECT_ENCODING); - return NULL; - } - } + /* + * Sanity check OID encoding. Need at least one content octet. MSB must + * be clear in the last octet. can't have leading 0x80 in subidentifiers, + * see: X.690 8.19.2 + */ + if (len <= 0 || len > INT_MAX || pp == NULL || (p = *pp) == NULL || + p[len - 1] & 0x80) { + ASN1err(ASN1_F_C2I_ASN1_OBJECT, ASN1_R_INVALID_OBJECT_ENCODING); + return NULL; + } + /* Now 0 < len <= INT_MAX, so the cast is safe. */ + length = (int)len; + for (i = 0; i < length; i++, p++) { + if (*p == 0x80 && (!i || !(p[-1] & 0x80))) { + ASN1err(ASN1_F_C2I_ASN1_OBJECT, ASN1_R_INVALID_OBJECT_ENCODING); + return NULL; + } + } - /* only the ASN1_OBJECTs from the 'table' will have values - * for ->sn or ->ln */ - if ((a == NULL) || ((*a) == NULL) || - !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC)) - { - if ((ret=ASN1_OBJECT_new()) == NULL) return(NULL); - } - else ret=(*a); + /* + * only the ASN1_OBJECTs from the 'table' will have values for ->sn or + * ->ln + */ + if ((a == NULL) || ((*a) == NULL) || + !((*a)->flags & ASN1_OBJECT_FLAG_DYNAMIC)) { + if ((ret = ASN1_OBJECT_new()) == NULL) + return (NULL); + } else + ret = (*a); - p= *pp; - /* detach data from object */ - data = (unsigned char *)ret->data; - ret->data = NULL; - /* once detached we can change it */ - if ((data == NULL) || (ret->length < length)) - { - ret->length=0; - if (data != NULL) OPENSSL_free(data); - data=(unsigned char *)OPENSSL_malloc(length); - if (data == NULL) - { i=ERR_R_MALLOC_FAILURE; goto err; } - ret->flags|=ASN1_OBJECT_FLAG_DYNAMIC_DATA; - } - memcpy(data,p,length); - /* reattach data to object, after which it remains const */ - ret->data =data; - ret->length=length; - ret->sn=NULL; - ret->ln=NULL; - /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */ - p+=length; + p = *pp; + /* detach data from object */ + data = (unsigned char *)ret->data; + ret->data = NULL; + /* once detached we can change it */ + if ((data == NULL) || (ret->length < length)) { + ret->length = 0; + if (data != NULL) + OPENSSL_free(data); + data = (unsigned char *)OPENSSL_malloc(length); + if (data == NULL) { + i = ERR_R_MALLOC_FAILURE; + goto err; + } + ret->flags |= ASN1_OBJECT_FLAG_DYNAMIC_DATA; + } + memcpy(data, p, length); + /* reattach data to object, after which it remains const */ + ret->data = data; + ret->length = length; + ret->sn = NULL; + ret->ln = NULL; + /* ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; we know it is dynamic */ + p += length; - if (a != NULL) (*a)=ret; - *pp=p; - return(ret); -err: - ASN1err(ASN1_F_C2I_ASN1_OBJECT,i); - if ((ret != NULL) && ((a == NULL) || (*a != ret))) - ASN1_OBJECT_free(ret); - return(NULL); - } + if (a != NULL) + (*a) = ret; + *pp = p; + return (ret); + err: + ASN1err(ASN1_F_C2I_ASN1_OBJECT, i); + if ((ret != NULL) && ((a == NULL) || (*a != ret))) + ASN1_OBJECT_free(ret); + return (NULL); +} ASN1_OBJECT *ASN1_OBJECT_new(void) - { - ASN1_OBJECT *ret; +{ + ASN1_OBJECT *ret; - ret=(ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT)); - if (ret == NULL) - { - ASN1err(ASN1_F_ASN1_OBJECT_NEW,ERR_R_MALLOC_FAILURE); - return(NULL); - } - ret->length=0; - ret->data=NULL; - ret->nid=0; - ret->sn=NULL; - ret->ln=NULL; - ret->flags=ASN1_OBJECT_FLAG_DYNAMIC; - return(ret); - } + ret = (ASN1_OBJECT *)OPENSSL_malloc(sizeof(ASN1_OBJECT)); + if (ret == NULL) { + ASN1err(ASN1_F_ASN1_OBJECT_NEW, ERR_R_MALLOC_FAILURE); + return (NULL); + } + ret->length = 0; + ret->data = NULL; + ret->nid = 0; + ret->sn = NULL; + ret->ln = NULL; + ret->flags = ASN1_OBJECT_FLAG_DYNAMIC; + return (ret); +} void ASN1_OBJECT_free(ASN1_OBJECT *a) - { - if (a == NULL) return; - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) - { -#ifndef CONST_STRICT /* disable purely for compile-time strict const checking. Doing this on a "real" compile will cause memory leaks */ - if (a->sn != NULL) OPENSSL_free((void *)a->sn); - if (a->ln != NULL) OPENSSL_free((void *)a->ln); +{ + if (a == NULL) + return; + if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_STRINGS) { +#ifndef CONST_STRICT /* disable purely for compile-time strict + * const checking. Doing this on a "real" + * compile will cause memory leaks */ + if (a->sn != NULL) + OPENSSL_free((void *)a->sn); + if (a->ln != NULL) + OPENSSL_free((void *)a->ln); #endif - a->sn=a->ln=NULL; - } - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) - { - if (a->data != NULL) OPENSSL_free((void *)a->data); - a->data=NULL; - a->length=0; - } - if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC) - OPENSSL_free(a); - } + a->sn = a->ln = NULL; + } + if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC_DATA) { + if (a->data != NULL) + OPENSSL_free((void *)a->data); + a->data = NULL; + a->length = 0; + } + if (a->flags & ASN1_OBJECT_FLAG_DYNAMIC) + OPENSSL_free(a); +} ASN1_OBJECT *ASN1_OBJECT_create(int nid, unsigned char *data, int len, - const char *sn, const char *ln) - { - ASN1_OBJECT o; + const char *sn, const char *ln) +{ + ASN1_OBJECT o; - o.sn=sn; - o.ln=ln; - o.data=data; - o.nid=nid; - o.length=len; - o.flags=ASN1_OBJECT_FLAG_DYNAMIC|ASN1_OBJECT_FLAG_DYNAMIC_STRINGS| - ASN1_OBJECT_FLAG_DYNAMIC_DATA; - return(OBJ_dup(&o)); - } + o.sn = sn; + o.ln = ln; + o.data = data; + o.nid = nid; + o.length = len; + o.flags = ASN1_OBJECT_FLAG_DYNAMIC | ASN1_OBJECT_FLAG_DYNAMIC_STRINGS | + ASN1_OBJECT_FLAG_DYNAMIC_DATA; + return (OBJ_dup(&o)); +} IMPLEMENT_STACK_OF(ASN1_OBJECT) + IMPLEMENT_ASN1_SET_OF(ASN1_OBJECT) |