diff options
Diffstat (limited to 'openssl/crypto/x509/x509name.c')
| -rw-r--r-- | openssl/crypto/x509/x509name.c | 383 |
1 files changed, 383 insertions, 0 deletions
diff --git a/openssl/crypto/x509/x509name.c b/openssl/crypto/x509/x509name.c new file mode 100644 index 00000000..27bc4dc9 --- /dev/null +++ b/openssl/crypto/x509/x509name.c @@ -0,0 +1,383 @@ +/* crypto/x509/x509name.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> + +int X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len) + { + ASN1_OBJECT *obj; + + obj=OBJ_nid2obj(nid); + if (obj == NULL) return(-1); + return(X509_NAME_get_text_by_OBJ(name,obj,buf,len)); + } + +int X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf, + int len) + { + int i; + ASN1_STRING *data; + + i=X509_NAME_get_index_by_OBJ(name,obj,-1); + if (i < 0) return(-1); + data=X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name,i)); + i=(data->length > (len-1))?(len-1):data->length; + if (buf == NULL) return(data->length); + memcpy(buf,data->data,i); + buf[i]='\0'; + return(i); + } + +int X509_NAME_entry_count(X509_NAME *name) + { + if (name == NULL) return(0); + return(sk_X509_NAME_ENTRY_num(name->entries)); + } + +int X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos) + { + ASN1_OBJECT *obj; + + obj=OBJ_nid2obj(nid); + if (obj == NULL) return(-2); + return(X509_NAME_get_index_by_OBJ(name,obj,lastpos)); + } + +/* NOTE: you should be passsing -1, not 0 as lastpos */ +int X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, + int lastpos) + { + int n; + X509_NAME_ENTRY *ne; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL) return(-1); + if (lastpos < 0) + lastpos= -1; + sk=name->entries; + n=sk_X509_NAME_ENTRY_num(sk); + for (lastpos++; lastpos < n; lastpos++) + { + ne=sk_X509_NAME_ENTRY_value(sk,lastpos); + if (OBJ_cmp(ne->object,obj) == 0) + return(lastpos); + } + return(-1); + } + +X509_NAME_ENTRY *X509_NAME_get_entry(X509_NAME *name, int loc) + { + if(name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc + || loc < 0) + return(NULL); + else + return(sk_X509_NAME_ENTRY_value(name->entries,loc)); + } + +X509_NAME_ENTRY *X509_NAME_delete_entry(X509_NAME *name, int loc) + { + X509_NAME_ENTRY *ret; + int i,n,set_prev,set_next; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc + || loc < 0) + return(NULL); + sk=name->entries; + ret=sk_X509_NAME_ENTRY_delete(sk,loc); + n=sk_X509_NAME_ENTRY_num(sk); + name->modified=1; + if (loc == n) return(ret); + + /* else we need to fixup the set field */ + if (loc != 0) + set_prev=(sk_X509_NAME_ENTRY_value(sk,loc-1))->set; + else + set_prev=ret->set-1; + set_next=sk_X509_NAME_ENTRY_value(sk,loc)->set; + + /* set_prev is the previous set + * set is the current set + * set_next is the following + * prev 1 1 1 1 1 1 1 1 + * set 1 1 2 2 + * next 1 1 2 2 2 2 3 2 + * so basically only if prev and next differ by 2, then + * re-number down by 1 */ + if (set_prev+1 < set_next) + for (i=loc; i<n; i++) + sk_X509_NAME_ENTRY_value(sk,i)->set--; + return(ret); + } + +int X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type, + unsigned char *bytes, int len, int loc, int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len); + if(!ne) return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +int X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type, + unsigned char *bytes, int len, int loc, int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len); + if(!ne) return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +int X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type, + const unsigned char *bytes, int len, int loc, int set) +{ + X509_NAME_ENTRY *ne; + int ret; + ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len); + if(!ne) return 0; + ret = X509_NAME_add_entry(name, ne, loc, set); + X509_NAME_ENTRY_free(ne); + return ret; +} + +/* if set is -1, append to previous set, 0 'a new one', and 1, + * prepend to the guy we are about to stomp on. */ +int X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc, + int set) + { + X509_NAME_ENTRY *new_name=NULL; + int n,i,inc; + STACK_OF(X509_NAME_ENTRY) *sk; + + if (name == NULL) return(0); + sk=name->entries; + n=sk_X509_NAME_ENTRY_num(sk); + if (loc > n) loc=n; + else if (loc < 0) loc=n; + + name->modified=1; + + if (set == -1) + { + if (loc == 0) + { + set=0; + inc=1; + } + else + { + set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set; + inc=0; + } + } + else /* if (set >= 0) */ + { + if (loc >= n) + { + if (loc != 0) + set=sk_X509_NAME_ENTRY_value(sk,loc-1)->set+1; + else + set=0; + } + else + set=sk_X509_NAME_ENTRY_value(sk,loc)->set; + inc=(set == 0)?1:0; + } + + if ((new_name=X509_NAME_ENTRY_dup(ne)) == NULL) + goto err; + new_name->set=set; + if (!sk_X509_NAME_ENTRY_insert(sk,new_name,loc)) + { + X509err(X509_F_X509_NAME_ADD_ENTRY,ERR_R_MALLOC_FAILURE); + goto err; + } + if (inc) + { + n=sk_X509_NAME_ENTRY_num(sk); + for (i=loc+1; i<n; i++) + sk_X509_NAME_ENTRY_value(sk,i-1)->set+=1; + } + return(1); +err: + if (new_name != NULL) + X509_NAME_ENTRY_free(new_name); + return(0); + } + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne, + const char *field, int type, const unsigned char *bytes, int len) + { + ASN1_OBJECT *obj; + X509_NAME_ENTRY *nentry; + + obj=OBJ_txt2obj(field, 0); + if (obj == NULL) + { + X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT, + X509_R_INVALID_FIELD_NAME); + ERR_add_error_data(2, "name=", field); + return(NULL); + } + nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len); + ASN1_OBJECT_free(obj); + return nentry; + } + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid, + int type, unsigned char *bytes, int len) + { + ASN1_OBJECT *obj; + X509_NAME_ENTRY *nentry; + + obj=OBJ_nid2obj(nid); + if (obj == NULL) + { + X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID,X509_R_UNKNOWN_NID); + return(NULL); + } + nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len); + ASN1_OBJECT_free(obj); + return nentry; + } + +X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne, + ASN1_OBJECT *obj, int type, const unsigned char *bytes, int len) + { + X509_NAME_ENTRY *ret; + + if ((ne == NULL) || (*ne == NULL)) + { + if ((ret=X509_NAME_ENTRY_new()) == NULL) + return(NULL); + } + else + ret= *ne; + + if (!X509_NAME_ENTRY_set_object(ret,obj)) + goto err; + if (!X509_NAME_ENTRY_set_data(ret,type,bytes,len)) + goto err; + + if ((ne != NULL) && (*ne == NULL)) *ne=ret; + return(ret); +err: + if ((ne == NULL) || (ret != *ne)) + X509_NAME_ENTRY_free(ret); + return(NULL); + } + +int X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj) + { + if ((ne == NULL) || (obj == NULL)) + { + X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + ASN1_OBJECT_free(ne->object); + ne->object=OBJ_dup(obj); + return((ne->object == NULL)?0:1); + } + +int X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type, + const unsigned char *bytes, int len) + { + int i; + + if ((ne == NULL) || ((bytes == NULL) && (len != 0))) return(0); + if((type > 0) && (type & MBSTRING_FLAG)) + return ASN1_STRING_set_by_NID(&ne->value, bytes, + len, type, + OBJ_obj2nid(ne->object)) ? 1 : 0; + if (len < 0) len=strlen((const char *)bytes); + i=ASN1_STRING_set(ne->value,bytes,len); + if (!i) return(0); + if (type != V_ASN1_UNDEF) + { + if (type == V_ASN1_APP_CHOOSE) + ne->value->type=ASN1_PRINTABLE_type(bytes,len); + else + ne->value->type=type; + } + return(1); + } + +ASN1_OBJECT *X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne) + { + if (ne == NULL) return(NULL); + return(ne->object); + } + +ASN1_STRING *X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne) + { + if (ne == NULL) return(NULL); + return(ne->value); + } + |