p12creat.c
上传用户:lyxiangda
上传日期:2007-01-12
资源大小:3042k
文件大小:7k
- /*
- * The contents of this file are subject to the Mozilla Public
- * License Version 1.1 (the "License"); you may not use this file
- * except in compliance with the License. You may obtain a copy of
- * the License at http://www.mozilla.org/MPL/
- *
- * Software distributed under the License is distributed on an "AS
- * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
- * implied. See the License for the specific language governing
- * rights and limitations under the License.
- *
- * The Original Code is the Netscape security libraries.
- *
- * The Initial Developer of the Original Code is Netscape
- * Communications Corporation. Portions created by Netscape are
- * Copyright (C) 1994-2000 Netscape Communications Corporation. All
- * Rights Reserved.
- *
- * Contributor(s):
- *
- * Alternatively, the contents of this file may be used under the
- * terms of the GNU General Public License Version 2 or later (the
- * "GPL"), in which case the provisions of the GPL are applicable
- * instead of those above. If you wish to allow use of your
- * version of this file only under the terms of the GPL and not to
- * allow others to use your version of this file under the MPL,
- * indicate your decision by deleting the provisions above and
- * replace them with the notice and other provisions required by
- * the GPL. If you do not delete the provisions above, a recipient
- * may use your version of this file under either the MPL or the
- * GPL.
- */
- #include "pkcs12.h"
- #include "secitem.h"
- #include "secport.h"
- #include "secder.h"
- #include "secoid.h"
- #include "p12local.h"
- #include "secerr.h"
- /* allocate space for a PFX structure and set up initial
- * arena pool. pfx structure is cleared and a pointer to
- * the new structure is returned.
- */
- SEC_PKCS12PFXItem *
- sec_pkcs12_new_pfx(void)
- {
- SEC_PKCS12PFXItem *pfx = NULL;
- PRArenaPool *poolp = NULL;
- poolp = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); /* XXX Different size? */
- if(poolp == NULL)
- goto loser;
- pfx = (SEC_PKCS12PFXItem *)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12PFXItem));
- if(pfx == NULL)
- goto loser;
- pfx->poolp = poolp;
- return pfx;
- loser:
- PORT_FreeArena(poolp, PR_TRUE);
- return NULL;
- }
- /* allocate space for a PFX structure and set up initial
- * arena pool. pfx structure is cleared and a pointer to
- * the new structure is returned.
- */
- SEC_PKCS12AuthenticatedSafe *
- sec_pkcs12_new_asafe(PRArenaPool *poolp)
- {
- SEC_PKCS12AuthenticatedSafe *asafe = NULL;
- void *mark;
- mark = PORT_ArenaMark(poolp);
- asafe = (SEC_PKCS12AuthenticatedSafe *)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12AuthenticatedSafe));
- if(asafe == NULL)
- goto loser;
- asafe->poolp = poolp;
- PORT_Memset(&asafe->old_baggage, 0, sizeof(SEC_PKCS7ContentInfo));
- PORT_ArenaUnmark(poolp, mark);
- return asafe;
- loser:
- PORT_ArenaRelease(poolp, mark);
- return NULL;
- }
- /* create a safe contents structure with a list of
- * length 0 with the first element being NULL
- */
- SEC_PKCS12SafeContents *
- sec_pkcs12_create_safe_contents(PRArenaPool *poolp)
- {
- SEC_PKCS12SafeContents *safe;
- void *mark;
- if(poolp == NULL)
- return NULL;
- /* allocate structure */
- mark = PORT_ArenaMark(poolp);
- safe = (SEC_PKCS12SafeContents *)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12SafeContents));
- if(safe == NULL)
- {
- PORT_SetError(SEC_ERROR_NO_MEMORY);
- PORT_ArenaRelease(poolp, mark);
- return NULL;
- }
- /* init list */
- safe->contents = (SEC_PKCS12SafeBag**)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12SafeBag *));
- if(safe->contents == NULL) {
- PORT_SetError(SEC_ERROR_NO_MEMORY);
- PORT_ArenaRelease(poolp, mark);
- return NULL;
- }
- safe->contents[0] = NULL;
- safe->poolp = poolp;
- safe->safe_size = 0;
- PORT_ArenaUnmark(poolp, mark);
- return safe;
- }
- /* create a new external bag which is appended onto the list
- * of bags in baggage. the bag is created in the same arena
- * as baggage
- */
- SEC_PKCS12BaggageItem *
- sec_pkcs12_create_external_bag(SEC_PKCS12Baggage *luggage)
- {
- void *dummy, *mark;
- SEC_PKCS12BaggageItem *bag;
- if(luggage == NULL) {
- return NULL;
- }
- mark = PORT_ArenaMark(luggage->poolp);
- /* allocate space for null terminated bag list */
- if(luggage->bags == NULL) {
- luggage->bags=(SEC_PKCS12BaggageItem**)PORT_ArenaZAlloc(luggage->poolp,
- sizeof(SEC_PKCS12BaggageItem *));
- if(luggage->bags == NULL) {
- goto loser;
- }
- luggage->luggage_size = 0;
- }
- /* grow the list */
- dummy = PORT_ArenaGrow(luggage->poolp, luggage->bags,
- sizeof(SEC_PKCS12BaggageItem *) * (luggage->luggage_size + 1),
- sizeof(SEC_PKCS12BaggageItem *) * (luggage->luggage_size + 2));
- if(dummy == NULL) {
- goto loser;
- }
- luggage->bags = (SEC_PKCS12BaggageItem**)dummy;
- luggage->bags[luggage->luggage_size] =
- (SEC_PKCS12BaggageItem *)PORT_ArenaZAlloc(luggage->poolp,
- sizeof(SEC_PKCS12BaggageItem));
- if(luggage->bags[luggage->luggage_size] == NULL) {
- goto loser;
- }
- /* create new bag and append it to the end */
- bag = luggage->bags[luggage->luggage_size];
- bag->espvks = (SEC_PKCS12ESPVKItem **)PORT_ArenaZAlloc(
- luggage->poolp,
- sizeof(SEC_PKCS12ESPVKItem *));
- bag->unencSecrets = (SEC_PKCS12SafeBag **)PORT_ArenaZAlloc(
- luggage->poolp,
- sizeof(SEC_PKCS12SafeBag *));
- if((bag->espvks == NULL) || (bag->unencSecrets == NULL)) {
- goto loser;
- }
- bag->poolp = luggage->poolp;
- luggage->luggage_size++;
- luggage->bags[luggage->luggage_size] = NULL;
- bag->espvks[0] = NULL;
- bag->unencSecrets[0] = NULL;
- bag->nEspvks = bag->nSecrets = 0;
- PORT_ArenaUnmark(luggage->poolp, mark);
- return bag;
- loser:
- PORT_ArenaRelease(luggage->poolp, mark);
- PORT_SetError(SEC_ERROR_NO_MEMORY);
- return NULL;
- }
- /* creates a baggage witha NULL terminated 0 length list */
- SEC_PKCS12Baggage *
- sec_pkcs12_create_baggage(PRArenaPool *poolp)
- {
- SEC_PKCS12Baggage *luggage;
- void *mark;
- if(poolp == NULL)
- return NULL;
- mark = PORT_ArenaMark(poolp);
- /* allocate bag */
- luggage = (SEC_PKCS12Baggage *)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12Baggage));
- if(luggage == NULL)
- {
- PORT_SetError(SEC_ERROR_NO_MEMORY);
- PORT_ArenaRelease(poolp, mark);
- return NULL;
- }
- /* init list */
- luggage->bags = (SEC_PKCS12BaggageItem **)PORT_ArenaZAlloc(poolp,
- sizeof(SEC_PKCS12BaggageItem *));
- if(luggage->bags == NULL) {
- PORT_SetError(SEC_ERROR_NO_MEMORY);
- PORT_ArenaRelease(poolp, mark);
- return NULL;
- }
- luggage->bags[0] = NULL;
- luggage->luggage_size = 0;
- luggage->poolp = poolp;
- PORT_ArenaUnmark(poolp, mark);
- return luggage;
- }
- /* free pfx structure and associated items in the arena */
- void
- SEC_PKCS12DestroyPFX(SEC_PKCS12PFXItem *pfx)
- {
- if (pfx != NULL && pfx->poolp != NULL)
- {
- PORT_FreeArena(pfx->poolp, PR_TRUE);
- }
- }