RetroZilla/security/nss/lib/pkcs12/p12creat.c

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2015-10-21 05:03:22 +02:00
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#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);
}
}