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/* $OpenBSD: x509name.c,v 1.13 2014/09/29 04:17:24 miod Exp $ */ |
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/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) |
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* All rights reserved. |
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* |
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* This package is an SSL implementation written |
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* by Eric Young (eay@cryptsoft.com). |
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* The implementation was written so as to conform with Netscapes SSL. |
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* |
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* This library is free for commercial and non-commercial use as long as |
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* the following conditions are aheared to. The following conditions |
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* apply to all code found in this distribution, be it the RC4, RSA, |
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* lhash, DES, etc., code; not just the SSL code. The SSL documentation |
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* included with this distribution is covered by the same copyright terms |
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* except that the holder is Tim Hudson (tjh@cryptsoft.com). |
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* |
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* Copyright remains Eric Young's, and as such any Copyright notices in |
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* the code are not to be removed. |
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* If this package is used in a product, Eric Young should be given attribution |
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* as the author of the parts of the library used. |
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* This can be in the form of a textual message at program startup or |
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* in documentation (online or textual) provided with the package. |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* 1. Redistributions of source code must retain the copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in the |
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* documentation and/or other materials provided with the distribution. |
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* 3. All advertising materials mentioning features or use of this software |
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* must display the following acknowledgement: |
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* "This product includes cryptographic software written by |
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* Eric Young (eay@cryptsoft.com)" |
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* The word 'cryptographic' can be left out if the rouines from the library |
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* being used are not cryptographic related :-). |
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* 4. If you include any Windows specific code (or a derivative thereof) from |
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* the apps directory (application code) you must include an acknowledgement: |
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* "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" |
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* |
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* THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND |
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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* SUCH DAMAGE. |
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* |
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* The licence and distribution terms for any publically available version or |
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* derivative of this code cannot be changed. i.e. this code cannot simply be |
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* copied and put under another distribution licence |
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* [including the GNU Public Licence.] |
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*/ |
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#include <stdio.h> |
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#include <string.h> |
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#include <openssl/asn1.h> |
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#include <openssl/err.h> |
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#include <openssl/evp.h> |
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#include <openssl/objects.h> |
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#include <openssl/stack.h> |
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#include <openssl/x509.h> |
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int |
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X509_NAME_get_text_by_NID(X509_NAME *name, int nid, char *buf, int len) |
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{ |
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ASN1_OBJECT *obj; |
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obj = OBJ_nid2obj(nid); |
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if (obj == NULL) |
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return (-1); |
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return (X509_NAME_get_text_by_OBJ(name, obj, buf, len)); |
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} |
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int |
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X509_NAME_get_text_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, char *buf, |
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int len) |
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{ |
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int i; |
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ASN1_STRING *data; |
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i = X509_NAME_get_index_by_OBJ(name, obj, -1); |
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if (i < 0) |
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return (-1); |
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data = X509_NAME_ENTRY_get_data(X509_NAME_get_entry(name, i)); |
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i = (data->length > (len - 1)) ? (len - 1) : data->length; |
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if (buf == NULL) |
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return (data->length); |
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if (i >= 0) { |
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memcpy(buf, data->data, i); |
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buf[i] = '\0'; |
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} |
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return (i); |
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} |
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int |
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X509_NAME_entry_count(X509_NAME *name) |
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{ |
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if (name == NULL) |
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return (0); |
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return (sk_X509_NAME_ENTRY_num(name->entries)); |
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} |
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int |
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X509_NAME_get_index_by_NID(X509_NAME *name, int nid, int lastpos) |
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{ |
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ASN1_OBJECT *obj; |
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obj = OBJ_nid2obj(nid); |
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if (obj == NULL) |
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return (-2); |
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return (X509_NAME_get_index_by_OBJ(name, obj, lastpos)); |
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} |
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/* NOTE: you should be passsing -1, not 0 as lastpos */ |
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int |
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X509_NAME_get_index_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int lastpos) |
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{ |
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int n; |
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X509_NAME_ENTRY *ne; |
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STACK_OF(X509_NAME_ENTRY) *sk; |
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if (name == NULL) |
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return (-1); |
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if (lastpos < 0) |
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lastpos = -1; |
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sk = name->entries; |
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n = sk_X509_NAME_ENTRY_num(sk); |
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for (lastpos++; lastpos < n; lastpos++) { |
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ne = sk_X509_NAME_ENTRY_value(sk, lastpos); |
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if (OBJ_cmp(ne->object, obj) == 0) |
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return (lastpos); |
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} |
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return (-1); |
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} |
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X509_NAME_ENTRY * |
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X509_NAME_get_entry(X509_NAME *name, int loc) |
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{ |
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if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc || |
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loc < 0) |
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return (NULL); |
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else |
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return (sk_X509_NAME_ENTRY_value(name->entries, loc)); |
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} |
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X509_NAME_ENTRY * |
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X509_NAME_delete_entry(X509_NAME *name, int loc) |
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{ |
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X509_NAME_ENTRY *ret; |
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int i, n, set_prev, set_next; |
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STACK_OF(X509_NAME_ENTRY) *sk; |
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if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc || |
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loc < 0) |
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return (NULL); |
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sk = name->entries; |
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ret = sk_X509_NAME_ENTRY_delete(sk, loc); |
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n = sk_X509_NAME_ENTRY_num(sk); |
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name->modified = 1; |
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if (loc == n) |
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return (ret); |
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/* else we need to fixup the set field */ |
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if (loc != 0) |
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set_prev = (sk_X509_NAME_ENTRY_value(sk, loc - 1))->set; |
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else |
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set_prev = ret->set - 1; |
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set_next = sk_X509_NAME_ENTRY_value(sk, loc)->set; |
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/* set_prev is the previous set |
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* set is the current set |
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* set_next is the following |
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* prev 1 1 1 1 1 1 1 1 |
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* set 1 1 2 2 |
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* next 1 1 2 2 2 2 3 2 |
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* so basically only if prev and next differ by 2, then |
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* re-number down by 1 */ |
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if (set_prev + 1 < set_next) |
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for (i = loc; i < n; i++) |
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sk_X509_NAME_ENTRY_value(sk, i)->set--; |
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return (ret); |
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} |
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int |
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X509_NAME_add_entry_by_OBJ(X509_NAME *name, ASN1_OBJECT *obj, int type, |
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unsigned char *bytes, int len, int loc, int set) |
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{ |
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X509_NAME_ENTRY *ne; |
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int ret; |
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ne = X509_NAME_ENTRY_create_by_OBJ(NULL, obj, type, bytes, len); |
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if (!ne) |
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return 0; |
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ret = X509_NAME_add_entry(name, ne, loc, set); |
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X509_NAME_ENTRY_free(ne); |
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return ret; |
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} |
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int |
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X509_NAME_add_entry_by_NID(X509_NAME *name, int nid, int type, |
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unsigned char *bytes, int len, int loc, int set) |
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{ |
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X509_NAME_ENTRY *ne; |
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int ret; |
211 |
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212 |
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ne = X509_NAME_ENTRY_create_by_NID(NULL, nid, type, bytes, len); |
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if (!ne) |
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return 0; |
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ret = X509_NAME_add_entry(name, ne, loc, set); |
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X509_NAME_ENTRY_free(ne); |
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return ret; |
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} |
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220 |
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int |
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X509_NAME_add_entry_by_txt(X509_NAME *name, const char *field, int type, |
222 |
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const unsigned char *bytes, int len, int loc, int set) |
223 |
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{ |
224 |
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X509_NAME_ENTRY *ne; |
225 |
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int ret; |
226 |
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227 |
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ne = X509_NAME_ENTRY_create_by_txt(NULL, field, type, bytes, len); |
228 |
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if (!ne) |
229 |
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return 0; |
230 |
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ret = X509_NAME_add_entry(name, ne, loc, set); |
231 |
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X509_NAME_ENTRY_free(ne); |
232 |
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return ret; |
233 |
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} |
234 |
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235 |
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/* if set is -1, append to previous set, 0 'a new one', and 1, |
236 |
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* prepend to the guy we are about to stomp on. */ |
237 |
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int |
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X509_NAME_add_entry(X509_NAME *name, X509_NAME_ENTRY *ne, int loc, int set) |
239 |
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{ |
240 |
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X509_NAME_ENTRY *new_name = NULL; |
241 |
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int n, i, inc; |
242 |
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STACK_OF(X509_NAME_ENTRY) *sk; |
243 |
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244 |
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if (name == NULL) |
245 |
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return (0); |
246 |
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sk = name->entries; |
247 |
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n = sk_X509_NAME_ENTRY_num(sk); |
248 |
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if (loc > n) |
249 |
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loc = n; |
250 |
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else if (loc < 0) |
251 |
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loc = n; |
252 |
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253 |
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name->modified = 1; |
254 |
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255 |
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if (set == -1) { |
256 |
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if (loc == 0) { |
257 |
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set = 0; |
258 |
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inc = 1; |
259 |
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} else { |
260 |
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set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set; |
261 |
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inc = 0; |
262 |
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} |
263 |
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} else /* if (set >= 0) */ { |
264 |
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if (loc >= n) { |
265 |
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if (loc != 0) |
266 |
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set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set + 1; |
267 |
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else |
268 |
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set = 0; |
269 |
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} else |
270 |
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set = sk_X509_NAME_ENTRY_value(sk, loc)->set; |
271 |
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inc = (set == 0) ? 1 : 0; |
272 |
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} |
273 |
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274 |
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if ((new_name = X509_NAME_ENTRY_dup(ne)) == NULL) |
275 |
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goto err; |
276 |
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new_name->set = set; |
277 |
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if (!sk_X509_NAME_ENTRY_insert(sk, new_name, loc)) { |
278 |
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X509err(X509_F_X509_NAME_ADD_ENTRY, ERR_R_MALLOC_FAILURE); |
279 |
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goto err; |
280 |
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} |
281 |
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if (inc) { |
282 |
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n = sk_X509_NAME_ENTRY_num(sk); |
283 |
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for (i = loc + 1; i < n; i++) |
284 |
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sk_X509_NAME_ENTRY_value(sk, i - 1)->set += 1; |
285 |
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} |
286 |
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return (1); |
287 |
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|
288 |
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err: |
289 |
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if (new_name != NULL) |
290 |
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X509_NAME_ENTRY_free(new_name); |
291 |
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return (0); |
292 |
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} |
293 |
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|
294 |
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X509_NAME_ENTRY * |
295 |
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X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne, |
296 |
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const char *field, int type, const unsigned char *bytes, int len) |
297 |
|
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{ |
298 |
|
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ASN1_OBJECT *obj; |
299 |
|
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X509_NAME_ENTRY *nentry; |
300 |
|
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|
301 |
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obj = OBJ_txt2obj(field, 0); |
302 |
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if (obj == NULL) { |
303 |
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X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_TXT, |
304 |
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X509_R_INVALID_FIELD_NAME); |
305 |
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ERR_asprintf_error_data("name=%s", field); |
306 |
|
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return (NULL); |
307 |
|
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} |
308 |
|
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nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len); |
309 |
|
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ASN1_OBJECT_free(obj); |
310 |
|
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return nentry; |
311 |
|
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} |
312 |
|
|
|
313 |
|
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X509_NAME_ENTRY * |
314 |
|
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X509_NAME_ENTRY_create_by_NID(X509_NAME_ENTRY **ne, int nid, int type, |
315 |
|
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unsigned char *bytes, int len) |
316 |
|
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{ |
317 |
|
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ASN1_OBJECT *obj; |
318 |
|
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X509_NAME_ENTRY *nentry; |
319 |
|
|
|
320 |
|
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obj = OBJ_nid2obj(nid); |
321 |
|
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if (obj == NULL) { |
322 |
|
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X509err(X509_F_X509_NAME_ENTRY_CREATE_BY_NID, |
323 |
|
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X509_R_UNKNOWN_NID); |
324 |
|
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return (NULL); |
325 |
|
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} |
326 |
|
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nentry = X509_NAME_ENTRY_create_by_OBJ(ne, obj, type, bytes, len); |
327 |
|
|
ASN1_OBJECT_free(obj); |
328 |
|
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return nentry; |
329 |
|
|
} |
330 |
|
|
|
331 |
|
|
X509_NAME_ENTRY * |
332 |
|
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X509_NAME_ENTRY_create_by_OBJ(X509_NAME_ENTRY **ne, ASN1_OBJECT *obj, int type, |
333 |
|
|
const unsigned char *bytes, int len) |
334 |
|
|
{ |
335 |
|
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X509_NAME_ENTRY *ret; |
336 |
|
|
|
337 |
|
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if ((ne == NULL) || (*ne == NULL)) { |
338 |
|
|
if ((ret = X509_NAME_ENTRY_new()) == NULL) |
339 |
|
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return (NULL); |
340 |
|
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} else |
341 |
|
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ret= *ne; |
342 |
|
|
|
343 |
|
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if (!X509_NAME_ENTRY_set_object(ret, obj)) |
344 |
|
|
goto err; |
345 |
|
|
if (!X509_NAME_ENTRY_set_data(ret, type, bytes, len)) |
346 |
|
|
goto err; |
347 |
|
|
|
348 |
|
|
if ((ne != NULL) && (*ne == NULL)) |
349 |
|
|
*ne = ret; |
350 |
|
|
return (ret); |
351 |
|
|
|
352 |
|
|
err: |
353 |
|
|
if ((ne == NULL) || (ret != *ne)) |
354 |
|
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X509_NAME_ENTRY_free(ret); |
355 |
|
|
return (NULL); |
356 |
|
|
} |
357 |
|
|
|
358 |
|
|
int |
359 |
|
|
X509_NAME_ENTRY_set_object(X509_NAME_ENTRY *ne, ASN1_OBJECT *obj) |
360 |
|
|
{ |
361 |
|
|
if ((ne == NULL) || (obj == NULL)) { |
362 |
|
|
X509err(X509_F_X509_NAME_ENTRY_SET_OBJECT, |
363 |
|
|
ERR_R_PASSED_NULL_PARAMETER); |
364 |
|
|
return (0); |
365 |
|
|
} |
366 |
|
|
ASN1_OBJECT_free(ne->object); |
367 |
|
|
ne->object = OBJ_dup(obj); |
368 |
|
|
return ((ne->object == NULL) ? 0 : 1); |
369 |
|
|
} |
370 |
|
|
|
371 |
|
|
int |
372 |
|
|
X509_NAME_ENTRY_set_data(X509_NAME_ENTRY *ne, int type, |
373 |
|
|
const unsigned char *bytes, int len) |
374 |
|
|
{ |
375 |
|
|
int i; |
376 |
|
|
|
377 |
|
|
if ((ne == NULL) || ((bytes == NULL) && (len != 0))) |
378 |
|
|
return (0); |
379 |
|
|
if ((type > 0) && (type & MBSTRING_FLAG)) |
380 |
|
|
return ASN1_STRING_set_by_NID(&ne->value, bytes, len, type, |
381 |
|
|
OBJ_obj2nid(ne->object)) ? 1 : 0; |
382 |
|
|
if (len < 0) |
383 |
|
|
len = strlen((const char *)bytes); |
384 |
|
|
i = ASN1_STRING_set(ne->value, bytes, len); |
385 |
|
|
if (!i) |
386 |
|
|
return (0); |
387 |
|
|
if (type != V_ASN1_UNDEF) { |
388 |
|
|
if (type == V_ASN1_APP_CHOOSE) |
389 |
|
|
ne->value->type = ASN1_PRINTABLE_type(bytes, len); |
390 |
|
|
else |
391 |
|
|
ne->value->type = type; |
392 |
|
|
} |
393 |
|
|
return (1); |
394 |
|
|
} |
395 |
|
|
|
396 |
|
|
ASN1_OBJECT * |
397 |
|
|
X509_NAME_ENTRY_get_object(X509_NAME_ENTRY *ne) |
398 |
|
|
{ |
399 |
|
|
if (ne == NULL) |
400 |
|
|
return (NULL); |
401 |
|
|
return (ne->object); |
402 |
|
|
} |
403 |
|
|
|
404 |
|
|
ASN1_STRING * |
405 |
|
|
X509_NAME_ENTRY_get_data(X509_NAME_ENTRY *ne) |
406 |
|
|
{ |
407 |
|
|
if (ne == NULL) |
408 |
|
|
return (NULL); |
409 |
|
|
return (ne->value); |
410 |
|
|
} |