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| 1 /* crypto/objects/obj_lib.c */ | |
| 2 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) | |
| 3 * All rights reserved. | |
| 4 * | |
| 5 * This package is an SSL implementation written | |
| 6 * by Eric Young (eay@cryptsoft.com). | |
| 7 * The implementation was written so as to conform with Netscapes SSL. | |
| 8 * | |
| 9 * This library is free for commercial and non-commercial use as long as | |
| 10 * the following conditions are aheared to. The following conditions | |
| 11 * apply to all code found in this distribution, be it the RC4, RSA, | |
| 12 * lhash, DES, etc., code; not just the SSL code. The SSL documentation | |
| 13 * included with this distribution is covered by the same copyright terms | |
| 14 * except that the holder is Tim Hudson (tjh@cryptsoft.com). | |
| 15 * | |
| 16 * Copyright remains Eric Young's, and as such any Copyright notices in | |
| 17 * the code are not to be removed. | |
| 18 * If this package is used in a product, Eric Young should be given attribution | |
| 19 * as the author of the parts of the library used. | |
| 20 * This can be in the form of a textual message at program startup or | |
| 21 * in documentation (online or textual) provided with the package. | |
| 22 * | |
| 23 * Redistribution and use in source and binary forms, with or without | |
| 24 * modification, are permitted provided that the following conditions | |
| 25 * are met: | |
| 26 * 1. Redistributions of source code must retain the copyright | |
| 27 * notice, this list of conditions and the following disclaimer. | |
| 28 * 2. Redistributions in binary form must reproduce the above copyright | |
| 29 * notice, this list of conditions and the following disclaimer in the | |
| 30 * documentation and/or other materials provided with the distribution. | |
| 31 * 3. All advertising materials mentioning features or use of this software | |
| 32 * must display the following acknowledgement: | |
| 33 * "This product includes cryptographic software written by | |
| 34 * Eric Young (eay@cryptsoft.com)" | |
| 35 * The word 'cryptographic' can be left out if the rouines from the library | |
| 36 * being used are not cryptographic related :-). | |
| 37 * 4. If you include any Windows specific code (or a derivative thereof) from | |
| 38 * the apps directory (application code) you must include an acknowledgement: | |
| 39 * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)" | |
| 40 * | |
| 41 * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND | |
| 42 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | |
| 43 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | |
| 44 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE | |
| 45 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | |
| 46 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | |
| 47 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | |
| 48 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | |
| 49 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | |
| 50 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
| 51 * SUCH DAMAGE. | |
| 52 * | |
| 53 * The licence and distribution terms for any publically available version or | |
| 54 * derivative of this code cannot be changed. i.e. this code cannot simply be | |
| 55 * copied and put under another distribution licence | |
| 56 * [including the GNU Public Licence.] | |
| 57 */ | |
| 58 | |
| 59 #include <stdio.h> | |
| 60 #include "cryptlib.h" | |
| 61 #include <openssl/lhash.h> | |
| 62 #include <openssl/objects.h> | |
| 63 #include <openssl/buffer.h> | |
| 64 | |
| 65 ASN1_OBJECT *OBJ_dup(const ASN1_OBJECT *o) | |
| 66 { | |
| 67 ASN1_OBJECT *r; | |
| 68 int i; | |
| 69 char *ln=NULL,*sn=NULL; | |
| 70 unsigned char *data=NULL; | |
| 71 | |
| 72 if (o == NULL) return(NULL); | |
| 73 if (!(o->flags & ASN1_OBJECT_FLAG_DYNAMIC)) | |
| 74 return((ASN1_OBJECT *)o); /* XXX: ugh! Why? What kind of | |
| 75 duplication is this??? */ | |
| 76 | |
| 77 r=ASN1_OBJECT_new(); | |
| 78 if (r == NULL) | |
| 79 { | |
| 80 OBJerr(OBJ_F_OBJ_DUP,ERR_R_ASN1_LIB); | |
| 81 return(NULL); | |
| 82 } | |
| 83 data=OPENSSL_malloc(o->length); | |
| 84 if (data == NULL) | |
| 85 goto err; | |
| 86 if (o->data != NULL) | |
| 87 memcpy(data,o->data,o->length); | |
| 88 /* once data attached to object it remains const */ | |
| 89 r->data = data; | |
| 90 r->length=o->length; | |
| 91 r->nid=o->nid; | |
| 92 r->ln=r->sn=NULL; | |
| 93 if (o->ln != NULL) | |
| 94 { | |
| 95 i=strlen(o->ln)+1; | |
| 96 ln=OPENSSL_malloc(i); | |
| 97 if (ln == NULL) goto err; | |
| 98 memcpy(ln,o->ln,i); | |
| 99 r->ln=ln; | |
| 100 } | |
| 101 | |
| 102 if (o->sn != NULL) | |
| 103 { | |
| 104 i=strlen(o->sn)+1; | |
| 105 sn=OPENSSL_malloc(i); | |
| 106 if (sn == NULL) goto err; | |
| 107 memcpy(sn,o->sn,i); | |
| 108 r->sn=sn; | |
| 109 } | |
| 110 r->flags=o->flags|(ASN1_OBJECT_FLAG_DYNAMIC| | |
| 111 ASN1_OBJECT_FLAG_DYNAMIC_STRINGS|ASN1_OBJECT_FLAG_DYNAMIC_DATA); | |
| 112 return(r); | |
| 113 err: | |
| 114 OBJerr(OBJ_F_OBJ_DUP,ERR_R_MALLOC_FAILURE); | |
| 115 if (ln != NULL) OPENSSL_free(ln); | |
| 116 if (sn != NULL) OPENSSL_free(sn); | |
| 117 if (data != NULL) OPENSSL_free(data); | |
| 118 if (r != NULL) OPENSSL_free(r); | |
| 119 return(NULL); | |
| 120 } | |
| 121 | |
| 122 int OBJ_cmp(const ASN1_OBJECT *a, const ASN1_OBJECT *b) | |
| 123 { | |
| 124 int ret; | |
| 125 | |
| 126 ret=(a->length-b->length); | |
| 127 if (ret) return(ret); | |
| 128 return(memcmp(a->data,b->data,a->length)); | |
| 129 } | |
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Chromium Code Reviews
Issue 2072073002:
Delete bundled copy of OpenSSL and replace with README. (Closed)
Base URL: https://chromium.googlesource.com/chromium/deps/openssl@master