X-Git-Url: https://git.openssl.org/gitweb/?p=openssl.git;a=blobdiff_plain;f=crypto%2Fx509%2Fx509name.c;h=64a73e793fdf5cb275ab7d41538a59e71b3ffd66;hp=b4ceb65851cc25f68b7ce30792e238ebcb957e07;hb=610ea181a85ffafdbebe5a123817becbbfdae30f;hpb=a0ad17bb6cccef6eb7ff0b25403ec2bbc0bd122e diff --git a/crypto/x509/x509name.c b/crypto/x509/x509name.c index b4ceb65851..64a73e793f 100644 --- a/crypto/x509/x509name.c +++ b/crypto/x509/x509name.c @@ -1,382 +1,360 @@ -/* crypto/x509/x509name.c */ -/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com) - * All rights reserved. +/* + * Copyright 1995-2018 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 "internal/x509_int.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)); - } +{ + 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, const ASN1_OBJECT *obj, + char *buf, int len) +{ + int i; + const 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)); + if (buf == NULL) + return data->length; + if (len <= 0) + return 0; + i = (data->length > (len - 1)) ? (len - 1) : data->length; + memcpy(buf, data->data, i); + buf[i] = '\0'; + return i; +} + +int X509_NAME_entry_count(const 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)); - } +{ + 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 passing -1, not 0 as lastpos */ +int X509_NAME_get_index_by_OBJ(X509_NAME *name, const 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(const X509_NAME *name, int loc) +{ + if (name == NULL || sk_X509_NAME_ENTRY_num(name->entries) <= loc + || loc < 0) + return NULL; + + 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; iset--; - 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; + 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, const ASN1_OBJECT *obj, int type, + const 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) + const 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; + 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, char *field, int type, - unsigned char *bytes, int len, int loc, int set) +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; + 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; iset+=1; - } - return(1); -err: - if (new_name != NULL) - X509_NAME_ENTRY_free(new_name); - return(0); - } +/* + * 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, const 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; + inc = (set == 0); + name->modified = 1; + + if (set == -1) { + if (loc == 0) { + set = 0; + inc = 1; + } else { + set = sk_X509_NAME_ENTRY_value(sk, loc - 1)->set; + } + } 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; + } + + /* + * X509_NAME_ENTRY_dup is ASN1 generated code, that can't be easily + * const'ified; harmless cast since dup() don't modify its input. + */ + if ((new_name = X509_NAME_ENTRY_dup((X509_NAME_ENTRY *)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)->set += 1; + } + return 1; + err: + X509_NAME_ENTRY_free(new_name); + return 0; +} X509_NAME_ENTRY *X509_NAME_ENTRY_create_by_txt(X509_NAME_ENTRY **ne, - char *field, int type, 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); - return(NULL); - } - nentry = X509_NAME_ENTRY_create_by_OBJ(ne,obj,type,bytes,len); - ASN1_OBJECT_free(obj); - return nentry; - } + 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; - } + int type, + const 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, 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); - } + const 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, const 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, - unsigned char *bytes, int len) - { - int i; - - if ((ne == NULL) || ((bytes == NULL) && (len != 0))) return(0); - if(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((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); - } + 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(const X509_NAME_ENTRY *ne) +{ + if (ne == NULL) + return NULL; + return ne->object; +} +ASN1_STRING *X509_NAME_ENTRY_get_data(const X509_NAME_ENTRY *ne) +{ + if (ne == NULL) + return NULL; + return ne->value; +} + +int X509_NAME_ENTRY_set(const X509_NAME_ENTRY *ne) +{ + return ne->set; +}