X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fx509%2Fx509_att.c;h=63895efe460801a37fea6d01e95abebe4c9d6aba;hp=2c9061e3d2f3e841b9b16f533d9c6bb15f2a328f;hb=610ea181a85ffafdbebe5a123817becbbfdae30f;hpb=83574cf80802ad3c322a6080f37f4141623f40e0 diff --git a/crypto/x509/x509_att.c b/crypto/x509/x509_att.c index 2c9061e3d2..63895efe46 100644 --- a/crypto/x509/x509_att.c +++ b/crypto/x509/x509_att.c @@ -1,353 +1,329 @@ -/* crypto/x509/x509_att.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2017 The OpenSSL Project Authors. 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.] + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html */ #include -#include -#include "cryptlib.h" +#include "internal/cryptlib.h" +#include #include #include #include #include #include +#include "x509_lcl.h" int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) { - return sk_X509_ATTRIBUTE_num(x); + return sk_X509_ATTRIBUTE_num(x); } int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid, - int lastpos) + int lastpos) { - ASN1_OBJECT *obj; + const ASN1_OBJECT *obj = OBJ_nid2obj(nid); - obj=OBJ_nid2obj(nid); - if (obj == NULL) return(-2); - return(X509at_get_attr_by_OBJ(x,obj,lastpos)); + if (obj == NULL) + return -2; + return X509at_get_attr_by_OBJ(x, obj, lastpos); } -int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, ASN1_OBJECT *obj, - int lastpos) +int X509at_get_attr_by_OBJ(const STACK_OF(X509_ATTRIBUTE) *sk, + const ASN1_OBJECT *obj, int lastpos) { - int n; - X509_ATTRIBUTE *ex; - - if (sk == NULL) return(-1); - lastpos++; - if (lastpos < 0) - lastpos=0; - n=sk_X509_ATTRIBUTE_num(sk); - for ( ; lastpos < n; lastpos++) - { - ex=sk_X509_ATTRIBUTE_value(sk,lastpos); - if (OBJ_cmp(ex->object,obj) == 0) - return(lastpos); - } - return(-1); + int n; + X509_ATTRIBUTE *ex; + + if (sk == NULL) + return -1; + lastpos++; + if (lastpos < 0) + lastpos = 0; + n = sk_X509_ATTRIBUTE_num(sk); + for (; lastpos < n; lastpos++) { + ex = sk_X509_ATTRIBUTE_value(sk, lastpos); + if (OBJ_cmp(ex->object, obj) == 0) + return lastpos; + } + return -1; } X509_ATTRIBUTE *X509at_get_attr(const STACK_OF(X509_ATTRIBUTE) *x, int loc) { - if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) - return NULL; - else - return sk_X509_ATTRIBUTE_value(x,loc); + if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) + return NULL; + + return sk_X509_ATTRIBUTE_value(x, loc); } X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) { - X509_ATTRIBUTE *ret; + X509_ATTRIBUTE *ret; - if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) - return(NULL); - ret=sk_X509_ATTRIBUTE_delete(x,loc); - return(ret); + if (x == NULL || sk_X509_ATTRIBUTE_num(x) <= loc || loc < 0) + return NULL; + ret = sk_X509_ATTRIBUTE_delete(x, loc); + return ret; } STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, - X509_ATTRIBUTE *attr) + X509_ATTRIBUTE *attr) { - X509_ATTRIBUTE *new_attr=NULL; - STACK_OF(X509_ATTRIBUTE) *sk=NULL; - - if (x == NULL) - { - X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER); - goto err2; - } - - if (*x == NULL) - { - if ((sk=sk_X509_ATTRIBUTE_new_null()) == NULL) - goto err; - } - else - sk= *x; - - if ((new_attr=X509_ATTRIBUTE_dup(attr)) == NULL) - goto err2; - if (!sk_X509_ATTRIBUTE_push(sk,new_attr)) - goto err; - if (*x == NULL) - *x=sk; - return(sk); -err: - X509err(X509_F_X509AT_ADD1_ATTR,ERR_R_MALLOC_FAILURE); -err2: - if (new_attr != NULL) X509_ATTRIBUTE_free(new_attr); - if (sk != NULL) sk_X509_ATTRIBUTE_free(sk); - return(NULL); + X509_ATTRIBUTE *new_attr = NULL; + STACK_OF(X509_ATTRIBUTE) *sk = NULL; + + if (x == NULL) { + X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_PASSED_NULL_PARAMETER); + goto err2; + } + + if (*x == NULL) { + if ((sk = sk_X509_ATTRIBUTE_new_null()) == NULL) + goto err; + } else + sk = *x; + + if ((new_attr = X509_ATTRIBUTE_dup(attr)) == NULL) + goto err2; + if (!sk_X509_ATTRIBUTE_push(sk, new_attr)) + goto err; + if (*x == NULL) + *x = sk; + return sk; + err: + X509err(X509_F_X509AT_ADD1_ATTR, ERR_R_MALLOC_FAILURE); + err2: + X509_ATTRIBUTE_free(new_attr); + sk_X509_ATTRIBUTE_free(sk); + return NULL; } -STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) **x, - const ASN1_OBJECT *obj, int type, - const unsigned char *bytes, int len) +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_OBJ(STACK_OF(X509_ATTRIBUTE) + **x, const ASN1_OBJECT *obj, + int type, + const unsigned char *bytes, + int len) { - X509_ATTRIBUTE *attr; - STACK_OF(X509_ATTRIBUTE) *ret; - attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len); - if(!attr) return 0; - ret = X509at_add1_attr(x, attr); - X509_ATTRIBUTE_free(attr); - return ret; + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_OBJ(NULL, obj, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; } -STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) **x, - int nid, int type, - const unsigned char *bytes, int len) +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_NID(STACK_OF(X509_ATTRIBUTE) + **x, int nid, int type, + const unsigned char *bytes, + int len) { - X509_ATTRIBUTE *attr; - STACK_OF(X509_ATTRIBUTE) *ret; - attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len); - if(!attr) return 0; - ret = X509at_add1_attr(x, attr); - X509_ATTRIBUTE_free(attr); - return ret; + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_NID(NULL, nid, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; } -STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) **x, - const char *attrname, int type, - const unsigned char *bytes, int len) +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr_by_txt(STACK_OF(X509_ATTRIBUTE) + **x, const char *attrname, + int type, + const unsigned char *bytes, + int len) { - X509_ATTRIBUTE *attr; - STACK_OF(X509_ATTRIBUTE) *ret; - attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len); - if(!attr) return 0; - ret = X509at_add1_attr(x, attr); - X509_ATTRIBUTE_free(attr); - return ret; + X509_ATTRIBUTE *attr; + STACK_OF(X509_ATTRIBUTE) *ret; + attr = X509_ATTRIBUTE_create_by_txt(NULL, attrname, type, bytes, len); + if (!attr) + return 0; + ret = X509at_add1_attr(x, attr); + X509_ATTRIBUTE_free(attr); + return ret; } void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x, - ASN1_OBJECT *obj, int lastpos, int type) + const ASN1_OBJECT *obj, int lastpos, int type) { - int i; - X509_ATTRIBUTE *at; - i = X509at_get_attr_by_OBJ(x, obj, lastpos); - if (i == -1) - return NULL; - if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1)) - return NULL; - at = X509at_get_attr(x, i); - if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1)) - return NULL; - return X509_ATTRIBUTE_get0_data(at, 0, type, NULL); + int i; + X509_ATTRIBUTE *at; + i = X509at_get_attr_by_OBJ(x, obj, lastpos); + if (i == -1) + return NULL; + if ((lastpos <= -2) && (X509at_get_attr_by_OBJ(x, obj, i) != -1)) + return NULL; + at = X509at_get_attr(x, i); + if (lastpos <= -3 && (X509_ATTRIBUTE_count(at) != 1)) + return NULL; + return X509_ATTRIBUTE_get0_data(at, 0, type, NULL); } X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid, - int atrtype, const void *data, int len) + int atrtype, const void *data, + int len) { - ASN1_OBJECT *obj; - X509_ATTRIBUTE *ret; - - obj=OBJ_nid2obj(nid); - if (obj == NULL) - { - X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID,X509_R_UNKNOWN_NID); - return(NULL); - } - ret=X509_ATTRIBUTE_create_by_OBJ(attr,obj,atrtype,data,len); - if (ret == NULL) ASN1_OBJECT_free(obj); - return(ret); + ASN1_OBJECT *obj; + X509_ATTRIBUTE *ret; + + obj = OBJ_nid2obj(nid); + if (obj == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_NID, X509_R_UNKNOWN_NID); + return NULL; + } + ret = X509_ATTRIBUTE_create_by_OBJ(attr, obj, atrtype, data, len); + if (ret == NULL) + ASN1_OBJECT_free(obj); + return ret; } X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, - const ASN1_OBJECT *obj, int atrtype, const void *data, int len) + const ASN1_OBJECT *obj, + int atrtype, const void *data, + int len) { - X509_ATTRIBUTE *ret; - - if ((attr == NULL) || (*attr == NULL)) - { - if ((ret=X509_ATTRIBUTE_new()) == NULL) - { - X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ,ERR_R_MALLOC_FAILURE); - return(NULL); - } - } - else - ret= *attr; - - if (!X509_ATTRIBUTE_set1_object(ret,obj)) - goto err; - if (!X509_ATTRIBUTE_set1_data(ret,atrtype,data,len)) - goto err; - - if ((attr != NULL) && (*attr == NULL)) *attr=ret; - return(ret); -err: - if ((attr == NULL) || (ret != *attr)) - X509_ATTRIBUTE_free(ret); - return(NULL); + X509_ATTRIBUTE *ret; + + if ((attr == NULL) || (*attr == NULL)) { + if ((ret = X509_ATTRIBUTE_new()) == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_OBJ, + ERR_R_MALLOC_FAILURE); + return NULL; + } + } else + ret = *attr; + + if (!X509_ATTRIBUTE_set1_object(ret, obj)) + goto err; + if (!X509_ATTRIBUTE_set1_data(ret, atrtype, data, len)) + goto err; + + if ((attr != NULL) && (*attr == NULL)) + *attr = ret; + return ret; + err: + if ((attr == NULL) || (ret != *attr)) + X509_ATTRIBUTE_free(ret); + return NULL; } X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_txt(X509_ATTRIBUTE **attr, - const char *atrname, int type, const unsigned char *bytes, int len) - { - ASN1_OBJECT *obj; - X509_ATTRIBUTE *nattr; - - obj=OBJ_txt2obj(atrname, 0); - if (obj == NULL) - { - X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT, - X509_R_INVALID_FIELD_NAME); - ERR_add_error_data(2, "name=", atrname); - return(NULL); - } - nattr = X509_ATTRIBUTE_create_by_OBJ(attr,obj,type,bytes,len); - ASN1_OBJECT_free(obj); - return nattr; - } + const char *atrname, int type, + const unsigned char *bytes, + int len) +{ + ASN1_OBJECT *obj; + X509_ATTRIBUTE *nattr; + + obj = OBJ_txt2obj(atrname, 0); + if (obj == NULL) { + X509err(X509_F_X509_ATTRIBUTE_CREATE_BY_TXT, + X509_R_INVALID_FIELD_NAME); + ERR_add_error_data(2, "name=", atrname); + return NULL; + } + nattr = X509_ATTRIBUTE_create_by_OBJ(attr, obj, type, bytes, len); + ASN1_OBJECT_free(obj); + return nattr; +} int X509_ATTRIBUTE_set1_object(X509_ATTRIBUTE *attr, const ASN1_OBJECT *obj) { - if ((attr == NULL) || (obj == NULL)) - return(0); - ASN1_OBJECT_free(attr->object); - attr->object=OBJ_dup(obj); - return(1); + if ((attr == NULL) || (obj == NULL)) + return 0; + ASN1_OBJECT_free(attr->object); + attr->object = OBJ_dup(obj); + return attr->object != NULL; } -int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, const void *data, int len) +int X509_ATTRIBUTE_set1_data(X509_ATTRIBUTE *attr, int attrtype, + const void *data, int len) { - ASN1_TYPE *ttmp; - ASN1_STRING *stmp = NULL; - int atype = 0; - if (!attr) return 0; - if(attrtype & MBSTRING_FLAG) { - stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype, - OBJ_obj2nid(attr->object)); - if(!stmp) { - X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB); - return 0; - } - atype = stmp->type; - } else if (len != -1){ - if(!(stmp = ASN1_STRING_type_new(attrtype))) goto err; - if(!ASN1_STRING_set(stmp, data, len)) goto err; - atype = attrtype; - } - if(!(attr->value.set = sk_ASN1_TYPE_new_null())) goto err; - if(!(ttmp = ASN1_TYPE_new())) goto err; - if ((len == -1) && !(attrtype & MBSTRING_FLAG)) - { - if (!ASN1_TYPE_set1(ttmp, attrtype, data)) - goto err; - } - else - ASN1_TYPE_set(ttmp, atype, stmp); - if(!sk_ASN1_TYPE_push(attr->value.set, ttmp)) goto err; - attr->single = 0; - return 1; - err: - X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE); - return 0; + ASN1_TYPE *ttmp = NULL; + ASN1_STRING *stmp = NULL; + int atype = 0; + if (!attr) + return 0; + if (attrtype & MBSTRING_FLAG) { + stmp = ASN1_STRING_set_by_NID(NULL, data, len, attrtype, + OBJ_obj2nid(attr->object)); + if (!stmp) { + X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_ASN1_LIB); + return 0; + } + atype = stmp->type; + } else if (len != -1) { + if ((stmp = ASN1_STRING_type_new(attrtype)) == NULL) + goto err; + if (!ASN1_STRING_set(stmp, data, len)) + goto err; + atype = attrtype; + } + /* + * This is a bit naughty because the attribute should really have at + * least one value but some types use and zero length SET and require + * this. + */ + if (attrtype == 0) { + ASN1_STRING_free(stmp); + return 1; + } + if ((ttmp = ASN1_TYPE_new()) == NULL) + goto err; + if ((len == -1) && !(attrtype & MBSTRING_FLAG)) { + if (!ASN1_TYPE_set1(ttmp, attrtype, data)) + goto err; + } else { + ASN1_TYPE_set(ttmp, atype, stmp); + stmp = NULL; + } + if (!sk_ASN1_TYPE_push(attr->set, ttmp)) + goto err; + return 1; + err: + X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE); + ASN1_TYPE_free(ttmp); + ASN1_STRING_free(stmp); + return 0; } -int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr) +int X509_ATTRIBUTE_count(const X509_ATTRIBUTE *attr) { - if(!attr->single) return sk_ASN1_TYPE_num(attr->value.set); - if(attr->value.single) return 1; - return 0; + if (attr == NULL) + return 0; + return sk_ASN1_TYPE_num(attr->set); } ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr) { - if (attr == NULL) return(NULL); - return(attr->object); + if (attr == NULL) + return NULL; + return attr->object; } void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, - int atrtype, void *data) + int atrtype, void *data) { - ASN1_TYPE *ttmp; - ttmp = X509_ATTRIBUTE_get0_type(attr, idx); - if(!ttmp) return NULL; - if(atrtype != ASN1_TYPE_get(ttmp)){ - X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE); - return NULL; - } - return ttmp->value.ptr; + ASN1_TYPE *ttmp; + ttmp = X509_ATTRIBUTE_get0_type(attr, idx); + if (!ttmp) + return NULL; + if (atrtype != ASN1_TYPE_get(ttmp)) { + X509err(X509_F_X509_ATTRIBUTE_GET0_DATA, X509_R_WRONG_TYPE); + return NULL; + } + return ttmp->value.ptr; } ASN1_TYPE *X509_ATTRIBUTE_get0_type(X509_ATTRIBUTE *attr, int idx) { - if (attr == NULL) return(NULL); - if(idx >= X509_ATTRIBUTE_count(attr)) return NULL; - if(!attr->single) return sk_ASN1_TYPE_value(attr->value.set, idx); - else return attr->value.single; + if (attr == NULL) + return NULL; + return sk_ASN1_TYPE_value(attr->set, idx); }