diff options
Diffstat (limited to 'openssl/crypto/x509/x509_att.c')
| -rw-r--r-- | openssl/crypto/x509/x509_att.c | 359 |
1 files changed, 359 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509_att.c b/openssl/crypto/x509/x509_att.c new file mode 100644 index 00000000..98460e89 --- /dev/null +++ b/openssl/crypto/x509/x509_att.c @@ -0,0 +1,359 @@ +/* crypto/x509/x509_att.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 <openssl/stack.h> +#include "cryptlib.h" +#include <openssl/asn1.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/x509v3.h> + +int X509at_get_attr_count(const STACK_OF(X509_ATTRIBUTE) *x) +{ + return sk_X509_ATTRIBUTE_num(x); +} + +int X509at_get_attr_by_NID(const STACK_OF(X509_ATTRIBUTE) *x, int nid, + int lastpos) +{ + ASN1_OBJECT *obj; + + obj=OBJ_nid2obj(nid); + 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 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); +} + +X509_ATTRIBUTE *X509at_delete_attr(STACK_OF(X509_ATTRIBUTE) *x, int loc) +{ + 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); +} + +STACK_OF(X509_ATTRIBUTE) *X509at_add1_attr(STACK_OF(X509_ATTRIBUTE) **x, + 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); +} + +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; +} + +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; +} + +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; +} + +void *X509at_get0_data_by_OBJ(STACK_OF(X509_ATTRIBUTE) *x, + 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); +} + +X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_NID(X509_ATTRIBUTE **attr, int nid, + 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); +} + +X509_ATTRIBUTE *X509_ATTRIBUTE_create_by_OBJ(X509_ATTRIBUTE **attr, + 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 *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; + } + +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); +} + +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; + attr->single = 0; + /* 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) + return 1; + 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; + return 1; + err: + X509err(X509_F_X509_ATTRIBUTE_SET1_DATA, ERR_R_MALLOC_FAILURE); + return 0; +} + +int X509_ATTRIBUTE_count(X509_ATTRIBUTE *attr) +{ + if(!attr->single) return sk_ASN1_TYPE_num(attr->value.set); + if(attr->value.single) return 1; + return 0; +} + +ASN1_OBJECT *X509_ATTRIBUTE_get0_object(X509_ATTRIBUTE *attr) +{ + if (attr == NULL) return(NULL); + return(attr->object); +} + +void *X509_ATTRIBUTE_get0_data(X509_ATTRIBUTE *attr, int idx, + 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 *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; +} |