mozilla
/
pjs
зеркало из https://github.com/mozilla/pjs.git
1
0
Форкнуть 0
Код Задачи Пакеты Проекты Релизы Вики Активность
pjs/security/nss/lib/pkcs12/p12d.c

3351 строка
86 KiB
C
Исходник Ответственный История

/*
* 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 "nssrenam.h"
#include "p12t.h"
#include "p12.h"
#include "plarena.h"
#include "secitem.h"
#include "secoid.h"
#include "seccomon.h"
#include "secport.h"
#include "cert.h"
#include "secpkcs7.h"
#include "secasn1.h"
#include "secerr.h"
#include "pk11func.h"
#include "p12plcy.h"
#include "p12local.h"
#include "alghmac.h"
#include "secder.h"
#include "secport.h"
#include "certdb.h"
#include "prcpucfg.h"
typedef struct sec_PKCS12SafeContentsContextStr sec_PKCS12SafeContentsContext;
/* Opaque structure for decoding SafeContents. These are used
* for each authenticated safe as well as any nested safe contents.
*/
struct sec_PKCS12SafeContentsContextStr {
/* the parent decoder context */
SEC_PKCS12DecoderContext *p12dcx;
/* memory arena to allocate space from */
PRArenaPool *arena;
/* decoder context and destination for decoding safe contents */
SEC_ASN1DecoderContext *safeContentsDcx;
sec_PKCS12SafeContents safeContents;
/* information for decoding safe bags within the safe contents.
* these variables are updated for each safe bag decoded.
*/
SEC_ASN1DecoderContext *currentSafeBagDcx;
sec_PKCS12SafeBag *currentSafeBag;
PRBool skipCurrentSafeBag;
/* if the safe contents is nested, the parent is pointed to here. */
sec_PKCS12SafeContentsContext *nestedCtx;
};
/* opaque decoder context structure. information for decoding a pkcs 12
* PDU are stored here as well as decoding pointers for intermediary
* structures which are part of the PKCS 12 PDU. Upon a successful
* decode, the safe bags containing certificates and keys encountered.
*/
struct SEC_PKCS12DecoderContextStr {
PRArenaPool *arena;
PK11SlotInfo *slot;
void *wincx;
PRBool error;
int errorValue;
/* password */
SECItem *pwitem;
/* used for decoding the PFX structure */
SEC_ASN1DecoderContext *pfxDcx;
sec_PKCS12PFXItem pfx;
/* safe bags found during decoding */
sec_PKCS12SafeBag **safeBags;
unsigned int safeBagCount;
/* state variables for decoding authenticated safes. */
SEC_PKCS7DecoderContext *currentASafeP7Dcx;
SEC_PKCS5KeyAndPassword *currentASafeKeyPwd;
SEC_ASN1DecoderContext *aSafeDcx;
SEC_PKCS7DecoderContext *aSafeP7Dcx;
sec_PKCS12AuthenticatedSafe authSafe;
SEC_PKCS7ContentInfo *aSafeCinfo;
sec_PKCS12SafeContents safeContents;
/* safe contents info */
unsigned int safeContentsCnt;
sec_PKCS12SafeContentsContext **safeContentsList;
/* HMAC info */
sec_PKCS12MacData macData;
SEC_ASN1DecoderContext *hmacDcx;
/* routines for reading back the data to be hmac'd */
digestOpenFn dOpen;
digestCloseFn dClose;
digestIOFn dRead, dWrite;
void *dArg;
/* helper functions */
SECKEYGetPasswordKey pwfn;
void *pwfnarg;
PRBool swapUnicodeBytes;
/* import information */
PRBool bagsVerified;
/* buffer management for the default callbacks implementation */
void *buffer; /* storage area */
PRInt32 filesize; /* actual data size */
PRInt32 allocated; /* total buffer size allocated */
PRInt32 currentpos; /* position counter */
};
/* make sure that the PFX version being decoded is a version
* which we support.
*/
static PRBool
sec_pkcs12_proper_version(sec_PKCS12PFXItem *pfx)
{
/* if no version, assume it is not supported */
if(pfx->version.len == 0) {
return PR_FALSE;
}
if(DER_GetInteger(&pfx->version) > SEC_PKCS12_VERSION) {
return PR_FALSE;
}
return PR_TRUE;
}
/* retrieve the key for decrypting the safe contents */
static PK11SymKey *
sec_pkcs12_decoder_get_decrypt_key(void *arg, SECAlgorithmID *algid)
{
SEC_PKCS5KeyAndPassword *keyPwd =
(SEC_PKCS5KeyAndPassword *)arg;
if(!keyPwd) {
return NULL;
}
/* if no slot specified, use the internal key slot */
if(!keyPwd->slot) {
keyPwd->slot = PK11_GetInternalKeySlot();
}
/* retrieve the key */
if(!keyPwd->key) {
keyPwd->key = PK11_PBEKeyGen(keyPwd->slot, algid,
keyPwd->pwitem, PR_FALSE, keyPwd->wincx);
}
return (PK11SymKey *)keyPwd;
}
/* XXX this needs to be modified to handle enveloped data. most
* likely, it should mirror the routines for SMIME in that regard.
*/
static PRBool
sec_pkcs12_decoder_decryption_allowed(SECAlgorithmID *algid,
PK11SymKey *bulkkey)
{
PRBool decryptionAllowed = SEC_PKCS12DecryptionAllowed(algid);
if(!decryptionAllowed) {
return PR_FALSE;
}
return PR_TRUE;
}
/* when we encounter a new safe bag during the decoding, we need
* to allocate space for the bag to be decoded to and set the
* state variables appropriately. all of the safe bags are allocated
* in a buffer in the outer SEC_PKCS12DecoderContext, however,
* a pointer to the safeBag is also used in the sec_PKCS12SafeContentsContext
* for the current bag.
*/
static SECStatus
sec_pkcs12_decoder_init_new_safe_bag(sec_PKCS12SafeContentsContext
*safeContentsCtx)
{
void *mark = NULL;
SEC_PKCS12DecoderContext *p12dcx;
/* make sure that the structures are defined, and there has
* not been an error in the decoding
*/
if(!safeContentsCtx || !safeContentsCtx->p12dcx
|| safeContentsCtx->p12dcx->error) {
return SECFailure;
}
p12dcx = safeContentsCtx->p12dcx;
mark = PORT_ArenaMark(p12dcx->arena);
/* allocate a new safe bag, if bags already exist, grow the
* list of bags, otherwise allocate a new list. the list is
* NULL terminated.
*/
if(p12dcx->safeBagCount) {
p12dcx->safeBags =
(sec_PKCS12SafeBag**)PORT_ArenaGrow(p12dcx->arena,p12dcx->safeBags,
(p12dcx->safeBagCount + 1) * sizeof(sec_PKCS12SafeBag *),
(p12dcx->safeBagCount + 2) * sizeof(sec_PKCS12SafeBag *));
} else {
p12dcx->safeBags = (sec_PKCS12SafeBag**)PORT_ArenaZAlloc(p12dcx->arena,
2 * sizeof(sec_PKCS12SafeBag *));
}
if(!p12dcx->safeBags) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* append the bag to the end of the list and update the reference
* in the safeContentsCtx.
*/
p12dcx->safeBags[p12dcx->safeBagCount] =
(sec_PKCS12SafeBag*)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12SafeBag));
safeContentsCtx->currentSafeBag = p12dcx->safeBags[p12dcx->safeBagCount];
p12dcx->safeBags[++p12dcx->safeBagCount] = NULL;
if(!safeContentsCtx->currentSafeBag) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
safeContentsCtx->currentSafeBag->slot = safeContentsCtx->p12dcx->slot;
safeContentsCtx->currentSafeBag->pwitem = safeContentsCtx->p12dcx->pwitem;
safeContentsCtx->currentSafeBag->swapUnicodeBytes =
safeContentsCtx->p12dcx->swapUnicodeBytes;
safeContentsCtx->currentSafeBag->arena = safeContentsCtx->p12dcx->arena;
PORT_ArenaUnmark(p12dcx->arena, mark);
return SECSuccess;
loser:
/* if an error occurred, release the memory and set the error flag
* the only possible errors triggered by this function are memory
* related.
*/
if(mark) {
PORT_ArenaRelease(p12dcx->arena, mark);
}
p12dcx->error = PR_TRUE;
return SECFailure;
}
/* A wrapper for updating the ASN1 context in which a safeBag is
* being decoded. This function is called as a callback from
* secasn1d when decoding SafeContents structures.
*/
static void
sec_pkcs12_decoder_safe_bag_update(void *arg, const char *data,
unsigned long len, int depth,
SEC_ASN1EncodingPart data_kind)
{
sec_PKCS12SafeContentsContext *safeContentsCtx =
(sec_PKCS12SafeContentsContext *)arg;
SEC_PKCS12DecoderContext *p12dcx;
SECStatus rv;
/* make sure that we are not skipping the current safeBag,
* and that there are no errors. If so, just return rather
* than continuing to process.
*/
if(!safeContentsCtx || !safeContentsCtx->p12dcx
|| safeContentsCtx->p12dcx->error
|| safeContentsCtx->skipCurrentSafeBag) {
return;
}
p12dcx = safeContentsCtx->p12dcx;
rv = SEC_ASN1DecoderUpdate(safeContentsCtx->currentSafeBagDcx, data, len);
if(rv != SECSuccess) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
return;
loser:
/* set the error, and finish the decoder context. because there
* is not a way of returning an error message, it may be worth
* while to do a check higher up and finish any decoding contexts
* that are still open.
*/
p12dcx->error = PR_TRUE;
SEC_ASN1DecoderFinish(safeContentsCtx->currentSafeBagDcx);
safeContentsCtx->currentSafeBagDcx = NULL;
return;
}
/* forward declarations of functions that are used when decoding
* safeContents bags which are nested and when decoding the
* authenticatedSafes.
*/
static SECStatus
sec_pkcs12_decoder_begin_nested_safe_contents(sec_PKCS12SafeContentsContext
*safeContentsCtx);
static SECStatus
sec_pkcs12_decoder_finish_nested_safe_contents(sec_PKCS12SafeContentsContext
*safeContentsCtx);
static void
sec_pkcs12_decoder_safe_bag_update(void *arg, const char *data,
unsigned long len, int depth,
SEC_ASN1EncodingPart data_kind);
/* notify function for decoding safeBags. This function is
* used to filter safeBag types which are not supported,
* initiate the decoding of nested safe contents, and decode
* safeBags in general. this function is set when the decoder
* context for the safeBag is first created.
*/
static void
sec_pkcs12_decoder_safe_bag_notify(void *arg, PRBool before,
void *dest, int real_depth)
{
sec_PKCS12SafeContentsContext *safeContentsCtx =
(sec_PKCS12SafeContentsContext *)arg;
SEC_PKCS12DecoderContext *p12dcx;
sec_PKCS12SafeBag *bag;
PRBool after;
/* if an error is encountered, return */
if(!safeContentsCtx || !safeContentsCtx->p12dcx ||
safeContentsCtx->p12dcx->error) {
return;
}
p12dcx = safeContentsCtx->p12dcx;
/* to make things more readable */
if(before)
after = PR_FALSE;
else
after = PR_TRUE;
/* have we determined the safeBagType yet? */
bag = safeContentsCtx->currentSafeBag;
if(bag->bagTypeTag == NULL) {
if(after && (dest == &(bag->safeBagType))) {
bag->bagTypeTag = SECOID_FindOID(&(bag->safeBagType));
if(bag->bagTypeTag == NULL) {
p12dcx->error = PR_TRUE;
p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE;
}
}
return;
}
/* process the safeBag depending on it's type. those
* which we do not support, are ignored. we start a decoding
* context for a nested safeContents.
*/
switch(bag->bagTypeTag->offset) {
case SEC_OID_PKCS12_V1_KEY_BAG_ID:
case SEC_OID_PKCS12_V1_CERT_BAG_ID:
case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID:
break;
case SEC_OID_PKCS12_V1_SAFE_CONTENTS_BAG_ID:
/* if we are just starting to decode the safeContents, initialize
* a new safeContentsCtx to process it.
*/
if(before && (dest == &(bag->safeBagContent))) {
sec_pkcs12_decoder_begin_nested_safe_contents(safeContentsCtx);
} else if(after && (dest == &(bag->safeBagContent))) {
/* clean up the nested decoding */
sec_pkcs12_decoder_finish_nested_safe_contents(safeContentsCtx);
}
break;
case SEC_OID_PKCS12_V1_CRL_BAG_ID:
case SEC_OID_PKCS12_V1_SECRET_BAG_ID:
default:
/* skip any safe bag types we don't understand or handle */
safeContentsCtx->skipCurrentSafeBag = PR_TRUE;
break;
}
return;
}
/* notify function for decoding safe contents. each entry in the
* safe contents is a safeBag which needs to be allocated and
* the decoding context initialized at the beginning and then
* the context needs to be closed and finished at the end.
*
* this function is set when the safeContents decode context is
* initialized.
*/
static void
sec_pkcs12_decoder_safe_contents_notify(void *arg, PRBool before,
void *dest, int real_depth)
{
sec_PKCS12SafeContentsContext *safeContentsCtx =
(sec_PKCS12SafeContentsContext*)arg;
SEC_PKCS12DecoderContext *p12dcx;
SECStatus rv;
/* if there is an error we don't want to continue processing,
* just return and keep going.
*/
if(!safeContentsCtx || !safeContentsCtx->p12dcx
|| safeContentsCtx->p12dcx->error) {
return;
}
p12dcx = safeContentsCtx->p12dcx;
/* if we are done with the current safeBag, then we need to
* finish the context and set the state variables appropriately.
*/
if(!before) {
SEC_ASN1DecoderClearFilterProc(safeContentsCtx->safeContentsDcx);
SEC_ASN1DecoderFinish(safeContentsCtx->currentSafeBagDcx);
safeContentsCtx->currentSafeBagDcx = NULL;
safeContentsCtx->skipCurrentSafeBag = PR_FALSE;
} else {
/* we are starting a new safe bag. we need to allocate space
* for the bag and initialize the decoding context.
*/
rv = sec_pkcs12_decoder_init_new_safe_bag(safeContentsCtx);
if(rv != SECSuccess) {
goto loser;
}
/* set up the decoder context */
safeContentsCtx->currentSafeBagDcx = SEC_ASN1DecoderStart(p12dcx->arena,
safeContentsCtx->currentSafeBag,
sec_PKCS12SafeBagTemplate);
if(!safeContentsCtx->currentSafeBagDcx) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* set the notify and filter procs so that the safe bag
* data gets sent to the proper location when decoding.
*/
SEC_ASN1DecoderSetNotifyProc(safeContentsCtx->currentSafeBagDcx,
sec_pkcs12_decoder_safe_bag_notify,
safeContentsCtx);
SEC_ASN1DecoderSetFilterProc(safeContentsCtx->safeContentsDcx,
sec_pkcs12_decoder_safe_bag_update,
safeContentsCtx, PR_TRUE);
}
return;
loser:
/* in the event of an error, we want to close the decoding
* context and clear the filter and notify procedures.
*/
p12dcx->error = PR_TRUE;
if(safeContentsCtx->currentSafeBagDcx) {
SEC_ASN1DecoderFinish(safeContentsCtx->currentSafeBagDcx);
safeContentsCtx->currentSafeBagDcx = NULL;
}
SEC_ASN1DecoderClearNotifyProc(safeContentsCtx->safeContentsDcx);
SEC_ASN1DecoderClearFilterProc(safeContentsCtx->safeContentsDcx);
return;
}
/* initialize the safeContents for decoding. this routine
* is used for authenticatedSafes as well as nested safeContents.
*/
static sec_PKCS12SafeContentsContext *
sec_pkcs12_decoder_safe_contents_init_decode(SEC_PKCS12DecoderContext *p12dcx,
PRBool nestedSafe)
{
sec_PKCS12SafeContentsContext *safeContentsCtx = NULL;
const SEC_ASN1Template *theTemplate;
if(!p12dcx || p12dcx->error) {
return NULL;
}
/* allocate a new safeContents list or grow the existing list and
* append the new safeContents onto the end.
*/
if(!p12dcx->safeContentsCnt) {
p12dcx->safeContentsList =
(sec_PKCS12SafeContentsContext**)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12SafeContentsContext *));
} else {
p12dcx->safeContentsList =
(sec_PKCS12SafeContentsContext **) PORT_ArenaGrow(p12dcx->arena,
p12dcx->safeContentsList,
(p12dcx->safeContentsCnt *
sizeof(sec_PKCS12SafeContentsContext *)),
(1 + p12dcx->safeContentsCnt *
sizeof(sec_PKCS12SafeContentsContext *)));
}
if(!p12dcx->safeContentsList) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
p12dcx->safeContentsList[p12dcx->safeContentsCnt] =
(sec_PKCS12SafeContentsContext*)PORT_ArenaZAlloc(
p12dcx->arena,
sizeof(sec_PKCS12SafeContentsContext));
p12dcx->safeContentsList[p12dcx->safeContentsCnt+1] = NULL;
if(!p12dcx->safeContentsList[p12dcx->safeContentsCnt]) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* set up the state variables */
safeContentsCtx = p12dcx->safeContentsList[p12dcx->safeContentsCnt];
p12dcx->safeContentsCnt++;
safeContentsCtx->p12dcx = p12dcx;
safeContentsCtx->arena = p12dcx->arena;
/* begin the decoding -- the template is based on whether we are
* decoding a nested safeContents or not.
*/
if(nestedSafe == PR_TRUE) {
theTemplate = sec_PKCS12NestedSafeContentsDecodeTemplate;
} else {
theTemplate = sec_PKCS12SafeContentsDecodeTemplate;
}
/* start the decoder context */
safeContentsCtx->safeContentsDcx = SEC_ASN1DecoderStart(p12dcx->arena,
&safeContentsCtx->safeContents,
theTemplate);
if(!safeContentsCtx->safeContentsDcx) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* set the safeContents notify procedure to look for
* and start the decode of safeBags.
*/
SEC_ASN1DecoderSetNotifyProc(safeContentsCtx->safeContentsDcx,
sec_pkcs12_decoder_safe_contents_notify,
safeContentsCtx);
return safeContentsCtx;
loser:
/* in the case of an error, we want to finish the decoder
* context and set the error flag.
*/
if(safeContentsCtx && safeContentsCtx->safeContentsDcx) {
SEC_ASN1DecoderFinish(safeContentsCtx->safeContentsDcx);
safeContentsCtx->safeContentsDcx = NULL;
}
p12dcx->error = PR_TRUE;
return NULL;
}
/* wrapper for updating safeContents. this is set as the filter of
* safeBag when there is a nested safeContents.
*/
static void
sec_pkcs12_decoder_nested_safe_contents_update(void *arg, const char *buf,
unsigned long len, int depth,
SEC_ASN1EncodingPart data_kind)
{
sec_PKCS12SafeContentsContext *safeContentsCtx =
(sec_PKCS12SafeContentsContext *)arg;
SEC_PKCS12DecoderContext *p12dcx;
SECStatus rv;
/* check for an error */
if(!safeContentsCtx || !safeContentsCtx->p12dcx
|| safeContentsCtx->p12dcx->error) {
return;
}
/* no need to update if no data sent in */
if(!len || !buf) {
return;
}
/* update the decoding context */
p12dcx = safeContentsCtx->p12dcx;
rv = SEC_ASN1DecoderUpdate(safeContentsCtx->safeContentsDcx, buf, len);
if(rv != SECSuccess) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
return;
loser:
/* handle any errors. If a decoding context is open, close it. */
p12dcx->error = PR_TRUE;
if(safeContentsCtx->safeContentsDcx) {
SEC_ASN1DecoderFinish(safeContentsCtx->safeContentsDcx);
safeContentsCtx->safeContentsDcx = NULL;
}
}
/* whenever a new safeContentsSafeBag is encountered, we need
* to init a safeContentsContext.
*/
static SECStatus
sec_pkcs12_decoder_begin_nested_safe_contents(sec_PKCS12SafeContentsContext
*safeContentsCtx)
{
/* check for an error */
if(!safeContentsCtx || !safeContentsCtx->p12dcx ||
safeContentsCtx->p12dcx->error) {
return SECFailure;
}
safeContentsCtx->nestedCtx = sec_pkcs12_decoder_safe_contents_init_decode(
safeContentsCtx->p12dcx,
PR_TRUE);
if(!safeContentsCtx->nestedCtx) {
return SECFailure;
}
/* set up new filter proc */
SEC_ASN1DecoderSetNotifyProc(safeContentsCtx->nestedCtx->safeContentsDcx,
sec_pkcs12_decoder_safe_contents_notify,
safeContentsCtx->nestedCtx);
SEC_ASN1DecoderSetFilterProc(safeContentsCtx->currentSafeBagDcx,
sec_pkcs12_decoder_nested_safe_contents_update,
safeContentsCtx->nestedCtx, PR_TRUE);
return SECSuccess;
}
/* when the safeContents is done decoding, we need to reset the
* proper filter and notify procs and close the decoding context
*/
static SECStatus
sec_pkcs12_decoder_finish_nested_safe_contents(sec_PKCS12SafeContentsContext
*safeContentsCtx)
{
/* check for error */
if(!safeContentsCtx || !safeContentsCtx->p12dcx ||
safeContentsCtx->p12dcx->error) {
return SECFailure;
}
/* clean up */
SEC_ASN1DecoderClearFilterProc(safeContentsCtx->currentSafeBagDcx);
SEC_ASN1DecoderClearNotifyProc(safeContentsCtx->nestedCtx->safeContentsDcx);
SEC_ASN1DecoderFinish(safeContentsCtx->nestedCtx->safeContentsDcx);
safeContentsCtx->nestedCtx->safeContentsDcx = NULL;
safeContentsCtx->nestedCtx = NULL;
return SECSuccess;
}
/* wrapper for updating safeContents. This is used when decoding
* the nested safeContents and any authenticatedSafes.
*/
static void
sec_pkcs12_decoder_safe_contents_callback(void *arg, const char *buf,
unsigned long len)
{
SECStatus rv;
sec_PKCS12SafeContentsContext *safeContentsCtx =
(sec_PKCS12SafeContentsContext *)arg;
SEC_PKCS12DecoderContext *p12dcx;
/* check for error */
if(!safeContentsCtx || !safeContentsCtx->p12dcx
|| safeContentsCtx->p12dcx->error) {
return;
}
p12dcx = safeContentsCtx->p12dcx;
/* update the decoder */
rv = SEC_ASN1DecoderUpdate(safeContentsCtx->safeContentsDcx, buf, len);
if(rv != SECSuccess) {
/* if we fail while trying to decode a 'safe', it's probably because
* we didn't have the correct password. */
PORT_SetError(SEC_ERROR_BAD_PASSWORD);
p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE;
goto loser;
}
return;
loser:
/* set the error and finish the context */
p12dcx->error = PR_TRUE;
if(safeContentsCtx->safeContentsDcx) {
SEC_ASN1DecoderFinish(safeContentsCtx->safeContentsDcx);
safeContentsCtx->safeContentsDcx = NULL;
}
return;
}
/* this is a wrapper for the ASN1 decoder to call SEC_PKCS7DecoderUpdate
*/
static void
sec_pkcs12_decoder_wrap_p7_update(void *arg, const char *data,
unsigned long len, int depth,
SEC_ASN1EncodingPart data_kind)
{
SEC_PKCS7DecoderContext *p7dcx = (SEC_PKCS7DecoderContext *)arg;
SEC_PKCS7DecoderUpdate(p7dcx, data, len);
}
/* notify function for decoding aSafes. at the beginning,
* of an authenticatedSafe, we start a decode of a safeContents.
* at the end, we clean up the safeContents decoder context and
* reset state variables
*/
static void
sec_pkcs12_decoder_asafes_notify(void *arg, PRBool before, void *dest,
int real_depth)
{
SEC_PKCS12DecoderContext *p12dcx;
sec_PKCS12SafeContentsContext *safeContentsCtx;
/* make sure no error occurred. */
p12dcx = (SEC_PKCS12DecoderContext *)arg;
if(!p12dcx || p12dcx->error) {
return;
}
if(before) {
/* init a new safeContentsContext */
safeContentsCtx = sec_pkcs12_decoder_safe_contents_init_decode(p12dcx,
PR_FALSE);
if(!safeContentsCtx) {
goto loser;
}
/* set up password and encryption key information */
p12dcx->currentASafeKeyPwd =
(SEC_PKCS5KeyAndPassword*)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(SEC_PKCS5KeyAndPassword));
if(!p12dcx->currentASafeKeyPwd) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
p12dcx->currentASafeKeyPwd->pwitem = p12dcx->pwitem;
p12dcx->currentASafeKeyPwd->slot = p12dcx->slot;
p12dcx->currentASafeKeyPwd->wincx = p12dcx->wincx;
/* initiate the PKCS7ContentInfo decode */
p12dcx->currentASafeP7Dcx = SEC_PKCS7DecoderStart(
sec_pkcs12_decoder_safe_contents_callback,
safeContentsCtx,
p12dcx->pwfn, p12dcx->pwfnarg,
sec_pkcs12_decoder_get_decrypt_key,
p12dcx->currentASafeKeyPwd,
sec_pkcs12_decoder_decryption_allowed);
if(!p12dcx->currentASafeP7Dcx) {
p12dcx->errorValue = PORT_GetError();
goto loser;
}
SEC_ASN1DecoderSetFilterProc(p12dcx->aSafeDcx,
sec_pkcs12_decoder_wrap_p7_update,
p12dcx->currentASafeP7Dcx, PR_TRUE);
}
if(!before) {
/* if one is being decoded, finish the decode */
if(p12dcx->currentASafeP7Dcx != NULL) {
if(!SEC_PKCS7DecoderFinish(p12dcx->currentASafeP7Dcx)) {
p12dcx->currentASafeP7Dcx = NULL;
p12dcx->errorValue = PORT_GetError();
goto loser;
}
p12dcx->currentASafeP7Dcx = NULL;
}
p12dcx->currentASafeP7Dcx = NULL;
if(p12dcx->currentASafeKeyPwd->key != NULL) {
p12dcx->currentASafeKeyPwd->key = NULL;
}
}
return;
loser:
/* set the error flag */
p12dcx->error = PR_TRUE;
return;
}
/* wrapper for updating asafes decoding context. this function
* writes data being decoded to disk, so that a mac can be computed
* later.
*/
static void
sec_pkcs12_decoder_asafes_callback(void *arg, const char *buf,
unsigned long len)
{
SEC_PKCS12DecoderContext *p12dcx = (SEC_PKCS12DecoderContext *)arg;
SECStatus rv;
if(!p12dcx || p12dcx->error) {
return;
}
/* update the context */
rv = SEC_ASN1DecoderUpdate(p12dcx->aSafeDcx, buf, len);
if(rv != SECSuccess) {
p12dcx->error = (PRBool)SEC_ERROR_NO_MEMORY;
goto loser;
}
/* if we are writing to a file, write out the new information */
if(p12dcx->dWrite) {
unsigned long writeLen = (*p12dcx->dWrite)(p12dcx->dArg,
(unsigned char *)buf, len);
if(writeLen != len) {
p12dcx->errorValue = PORT_GetError();
goto loser;
}
}
return;
loser:
/* set the error flag */
p12dcx->error = PR_TRUE;
SEC_ASN1DecoderFinish(p12dcx->aSafeDcx);
p12dcx->aSafeDcx = NULL;
return;
}
/* start the decode of an authenticatedSafe contentInfo.
*/
static SECStatus
sec_pkcs12_decode_start_asafes_cinfo(SEC_PKCS12DecoderContext *p12dcx)
{
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
/* start the decode context */
p12dcx->aSafeDcx = SEC_ASN1DecoderStart(p12dcx->arena,
&p12dcx->authSafe,
sec_PKCS12AuthenticatedSafeTemplate);
if(!p12dcx->aSafeDcx) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* set the notify function */
SEC_ASN1DecoderSetNotifyProc(p12dcx->aSafeDcx,
sec_pkcs12_decoder_asafes_notify, p12dcx);
/* begin the authSafe decoder context */
p12dcx->aSafeP7Dcx = SEC_PKCS7DecoderStart(
sec_pkcs12_decoder_asafes_callback, p12dcx,
p12dcx->pwfn, p12dcx->pwfnarg, NULL, NULL, NULL);
if(!p12dcx->aSafeP7Dcx) {
p12dcx->errorValue = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* open the temp file for writing, if the filter functions were set */
if(p12dcx->dOpen && (*p12dcx->dOpen)(p12dcx->dArg, PR_FALSE)
!= SECSuccess) {
p12dcx->errorValue = PORT_GetError();
goto loser;
}
return SECSuccess;
loser:
p12dcx->error = PR_TRUE;
if(p12dcx->aSafeDcx) {
SEC_ASN1DecoderFinish(p12dcx->aSafeDcx);
p12dcx->aSafeDcx = NULL;
}
if(p12dcx->aSafeP7Dcx) {
SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx);
p12dcx->aSafeP7Dcx = NULL;
}
return SECFailure;
}
/* wrapper for updating the safeContents. this function is used as
* a filter for the pfx when decoding the authenticated safes
*/
static void
sec_pkcs12_decode_asafes_cinfo_update(void *arg, const char *buf,
unsigned long len, int depth,
SEC_ASN1EncodingPart data_kind)
{
SEC_PKCS12DecoderContext *p12dcx;
SECStatus rv;
p12dcx = (SEC_PKCS12DecoderContext*)arg;
if(!p12dcx || p12dcx->error) {
return;
}
/* update the safeContents decoder */
rv = SEC_PKCS7DecoderUpdate(p12dcx->aSafeP7Dcx, buf, len);
if(rv != SECSuccess) {
p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE;
goto loser;
}
return;
loser:
/* did we find an error? if so, close the context and set the
* error flag.
*/
SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx);
p12dcx->aSafeP7Dcx = NULL;
p12dcx->error = PR_TRUE;
}
/* notify procedure used while decoding the pfx. When we encounter
* the authSafes, we want to trigger the decoding of authSafes as well
* as when we encounter the macData, trigger the decoding of it. we do
* this because we we are streaming the decoder and not decoding in place.
* the pfx which is the destination, only has the version decoded into it.
*/
static void
sec_pkcs12_decoder_pfx_notify_proc(void *arg, PRBool before, void *dest,
int real_depth)
{
SECStatus rv;
SEC_PKCS12DecoderContext *p12dcx = (SEC_PKCS12DecoderContext*)arg;
/* if an error occurrs, clear the notifyProc and the filterProc
* and continue.
*/
if(p12dcx->error) {
SEC_ASN1DecoderClearNotifyProc(p12dcx->pfxDcx);
SEC_ASN1DecoderClearFilterProc(p12dcx->pfxDcx);
return;
}
if(before && (dest == &p12dcx->pfx.encodedAuthSafe)) {
/* we want to make sure this is a version we support */
if(!sec_pkcs12_proper_version(&p12dcx->pfx)) {
p12dcx->errorValue = SEC_ERROR_PKCS12_UNSUPPORTED_VERSION;
goto loser;
}
/* start the decode of the aSafes cinfo... */
rv = sec_pkcs12_decode_start_asafes_cinfo(p12dcx);
if(rv != SECSuccess) {
goto loser;
}
/* set the filter proc to update the authenticated safes. */
SEC_ASN1DecoderSetFilterProc(p12dcx->pfxDcx,
sec_pkcs12_decode_asafes_cinfo_update,
p12dcx, PR_TRUE);
}
if(!before && (dest == &p12dcx->pfx.encodedAuthSafe)) {
/* we are done decoding the authenticatedSafes, so we need to
* finish the decoderContext and clear the filter proc
* and close the hmac callback, if present
*/
p12dcx->aSafeCinfo = SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx);
p12dcx->aSafeP7Dcx = NULL;
if(!p12dcx->aSafeCinfo) {
p12dcx->errorValue = PORT_GetError();
goto loser;
}
SEC_ASN1DecoderClearFilterProc(p12dcx->pfxDcx);
if(p12dcx->dClose && ((*p12dcx->dClose)(p12dcx->dArg, PR_FALSE)
!= SECSuccess)) {
p12dcx->errorValue = PORT_GetError();
goto loser;
}
}
return;
loser:
p12dcx->error = PR_TRUE;
}
/* default implementations of the open/close/read/write functions for
SEC_PKCS12DecoderStart
*/
#define DEFAULT_TEMP_SIZE 4096
static SECStatus
p12u_DigestOpen(void *arg, PRBool readData)
{
SEC_PKCS12DecoderContext* p12cxt = arg;
p12cxt->currentpos = 0;
if (PR_FALSE == readData) {
/* allocate an initial buffer */
p12cxt->filesize = 0;
p12cxt->allocated = DEFAULT_TEMP_SIZE;
p12cxt->buffer = PORT_Alloc(DEFAULT_TEMP_SIZE);
PR_ASSERT(p12cxt->buffer);
}
else
{
PR_ASSERT(p12cxt->buffer);
if (!p12cxt->buffer) {
return SECFailure; /* no data to read */
}
}
return SECSuccess;
}
static SECStatus
p12u_DigestClose(void *arg, PRBool removeFile)
{
SEC_PKCS12DecoderContext* p12cxt = arg;
PR_ASSERT(p12cxt);
if (!p12cxt) {
return SECFailure;
}
p12cxt->currentpos = 0;
if (PR_TRUE == removeFile) {
PR_ASSERT(p12cxt->buffer);
if (!p12cxt->buffer) {
return SECFailure;
}
if (p12cxt->buffer) {
PORT_Free(p12cxt->buffer);
p12cxt->buffer = NULL;
p12cxt->allocated = 0;
p12cxt->filesize = 0;
}
}
return SECSuccess;
}
static int
p12u_DigestRead(void *arg, unsigned char *buf, unsigned long len)
{
int toread = len;
SEC_PKCS12DecoderContext* p12cxt = arg;
if(!buf || len == 0) {
return -1;
}
if (!p12cxt->buffer || ((p12cxt->filesize-p12cxt->currentpos)<(long)len) ) {
/* trying to read past the end of the buffer */
toread = p12cxt->filesize-p12cxt->currentpos;
}
memcpy(buf, (void*)((char*)p12cxt->buffer+p12cxt->currentpos), toread);
p12cxt->currentpos += toread;
return toread;
}
static int
p12u_DigestWrite(void *arg, unsigned char *buf, unsigned long len)
{
SEC_PKCS12DecoderContext* p12cxt = arg;
if(!buf || len == 0) {
return -1;
}
if (p12cxt->currentpos+(long)len > p12cxt->filesize) {
p12cxt->filesize = p12cxt->currentpos + len;
}
else {
p12cxt->filesize += len;
}
if (p12cxt->filesize > p12cxt->allocated) {
void* newbuffer;
size_t newsize = p12cxt->filesize + DEFAULT_TEMP_SIZE;
newbuffer = PORT_Realloc(p12cxt->buffer, newsize);
if (NULL == newbuffer) {
return -1; /* can't extend the buffer */
}
p12cxt->buffer = newbuffer;
p12cxt->allocated = newsize;
}
PR_ASSERT(p12cxt->buffer);
memcpy((void*)((char*)p12cxt->buffer+p12cxt->currentpos), buf, len);
p12cxt->currentpos += len;
return len;
}
/* SEC_PKCS12DecoderStart
* Creates a decoder context for decoding a PKCS 12 PDU objct.
* This function sets up the initial decoding context for the
* PFX and sets the needed state variables.
*
* pwitem - the password for the hMac and any encoded safes.
* this should be changed to take a callback which retrieves
* the password. it may be possible for different safes to
* have different passwords. also, the password is already
* in unicode. it should probably be converted down below via
* a unicode conversion callback.
* slot - the slot to import the dataa into should multiple slots
* be supported based on key type and cert type?
* dOpen, dClose, dRead, dWrite - digest routines for writing data
* to a file so it could be read back and the hmack recomputed
* and verified. doesn't seem to be away for both encoding
* and decoding to be single pass, thus the need for these
* routines.
* dArg - the argument for dOpen, etc.
*
* if NULL == dOpen == dClose == dRead == dWrite == dArg, then default
* implementations using a memory buffer are used
*
* This function returns the decoder context, if it was successful.
* Otherwise, null is returned.
*/
SEC_PKCS12DecoderContext *
SEC_PKCS12DecoderStart(SECItem *pwitem, PK11SlotInfo *slot, void *wincx,
digestOpenFn dOpen, digestCloseFn dClose,
digestIOFn dRead, digestIOFn dWrite, void *dArg)
{
SEC_PKCS12DecoderContext *p12dcx;
PRArenaPool *arena;
arena = PORT_NewArena(2048); /* different size? */
if(!arena) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
/* allocate the decoder context and set the state variables */
p12dcx = (SEC_PKCS12DecoderContext*)PORT_ArenaZAlloc(arena, sizeof(SEC_PKCS12DecoderContext));
if(!p12dcx) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
if (!dOpen && !dClose && !dRead && !dWrite && !dArg) {
/* use default implementations */
dOpen = p12u_DigestOpen;
dClose = p12u_DigestClose;
dRead = p12u_DigestRead;
dWrite = p12u_DigestWrite;
dArg = (void*)p12dcx;
}
p12dcx->arena = arena;
p12dcx->pwitem = pwitem;
p12dcx->slot = (slot ? PK11_ReferenceSlot(slot)
: PK11_GetInternalKeySlot());
p12dcx->wincx = wincx;
#ifdef IS_LITTLE_ENDIAN
p12dcx->swapUnicodeBytes = PR_TRUE;
#else
p12dcx->swapUnicodeBytes = PR_FALSE;
#endif
p12dcx->errorValue = 0;
p12dcx->error = PR_FALSE;
/* a slot is *required */
if(!slot) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* start the decoding of the PFX and set the notify proc
* for the PFX item.
*/
p12dcx->pfxDcx = SEC_ASN1DecoderStart(p12dcx->arena, &p12dcx->pfx,
sec_PKCS12PFXItemTemplate);
if(!p12dcx->pfxDcx) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
SEC_ASN1DecoderSetNotifyProc(p12dcx->pfxDcx,
sec_pkcs12_decoder_pfx_notify_proc,
p12dcx);
/* set up digest functions */
p12dcx->dOpen = dOpen;
p12dcx->dWrite = dWrite;
p12dcx->dClose = dClose;
p12dcx->dRead = dRead;
p12dcx->dArg = dArg;
return p12dcx;
loser:
PORT_FreeArena(arena, PR_TRUE);
return NULL;
}
/* SEC_PKCS12DecoderUpdate
* Streaming update sending more data to the decoder. If
* an error occurs, SECFailure is returned.
*
* p12dcx - the decoder context
* data, len - the data buffer and length of data to send to
* the update functions.
*/
SECStatus
SEC_PKCS12DecoderUpdate(SEC_PKCS12DecoderContext *p12dcx,
unsigned char *data, unsigned long len)
{
SECStatus rv;
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
/* update the PFX decoder context */
rv = SEC_ASN1DecoderUpdate(p12dcx->pfxDcx, (const char *)data, len);
if(rv != SECSuccess) {
p12dcx->errorValue = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE;
goto loser;
}
return SECSuccess;
loser:
p12dcx->error = PR_TRUE;
return SECFailure;
}
/* IN_BUF_LEN should be larger than SHA1_LENGTH */
#define IN_BUF_LEN 80
/* verify the hmac by reading the data from the temporary file
* using the routines specified when the decodingContext was
* created and return SECSuccess if the hmac matches.
*/
static SECStatus
sec_pkcs12_decoder_verify_mac(SEC_PKCS12DecoderContext *p12dcx)
{
SECStatus rv = SECFailure;
SECStatus lrv;
SECItem hmacRes;
unsigned char buf[IN_BUF_LEN];
unsigned int bufLen;
int iteration;
PK11Context *pk11cx = NULL;
PK11SymKey *symKey = NULL;
SECItem *params = NULL;
SECItem ignore = {0};
SECOidTag algtag;
CK_MECHANISM_TYPE integrityMech;
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
/* generate hmac key */
if(p12dcx->macData.iter.data) {
iteration = (int)DER_GetInteger(&p12dcx->macData.iter);
} else {
iteration = 1;
}
params = PK11_CreatePBEParams(&p12dcx->macData.macSalt, p12dcx->pwitem,
iteration);
algtag = SECOID_GetAlgorithmTag(&p12dcx->macData.safeMac.digestAlgorithm);
switch (algtag) {
case SEC_OID_SHA1:
integrityMech = CKM_NETSCAPE_PBE_SHA1_HMAC_KEY_GEN; break;
case SEC_OID_MD5:
integrityMech = CKM_NETSCAPE_PBE_MD5_HMAC_KEY_GEN; break;
case SEC_OID_MD2:
integrityMech = CKM_NETSCAPE_PBE_MD2_HMAC_KEY_GEN; break;
default:
goto loser;
}
symKey = PK11_KeyGen(NULL, integrityMech, params, 20, NULL);
PK11_DestroyPBEParams(params);
params = NULL;
if (!symKey) goto loser;
/* init hmac */
pk11cx = PK11_CreateContextBySymKey(sec_pkcs12_algtag_to_mech(algtag),
CKA_SIGN, symKey, &ignore);
if(!pk11cx) {
goto loser;
}
lrv = PK11_DigestBegin(pk11cx);
if (lrv == SECFailure ) {
goto loser;
}
/* try to open the data for readback */
if(p12dcx->dOpen && ((*p12dcx->dOpen)(p12dcx->dArg, PR_TRUE)
!= SECSuccess)) {
goto loser;
}
/* read the data back IN_BUF_LEN bytes at a time and recompute
* the hmac. if fewer bytes are read than are requested, it is
* assumed that the end of file has been reached. if bytesRead
* is returned as -1, then an error occured reading from the
* file.
*/
while(1) {
int bytesRead = (*p12dcx->dRead)(p12dcx->dArg, buf, IN_BUF_LEN);
if(bytesRead == -1) {
goto loser;
}
lrv = PK11_DigestOp(pk11cx, buf, bytesRead);
if (lrv == SECFailure) {
goto loser;
}
if(bytesRead < IN_BUF_LEN) {
break;
}
}
/* finish the hmac context */
lrv = PK11_DigestFinal(pk11cx, buf, &bufLen, IN_BUF_LEN);
if (lrv == SECFailure ) {
goto loser;
}
hmacRes.data = buf;
hmacRes.len = bufLen;
/* is the hmac computed the same as the hmac which was decoded? */
rv = SECSuccess;
if(SECITEM_CompareItem(&hmacRes, &p12dcx->macData.safeMac.digest)
!= SECEqual) {
PORT_SetError(SEC_ERROR_PKCS12_INVALID_MAC);
rv = SECFailure;
}
loser:
/* close the file and remove it */
if(p12dcx->dClose) {
(*p12dcx->dClose)(p12dcx->dArg, PR_TRUE);
}
if(pk11cx) {
PK11_DestroyContext(pk11cx, PR_TRUE);
}
if (params) {
PK11_DestroyPBEParams(params);
}
if (symKey) {
PK11_FreeSymKey(symKey);
}
return rv;
}
/* SEC_PKCS12DecoderVerify
* Verify the macData or the signature of the decoded PKCS 12 PDU.
* If the signature or the macData do not match, SECFailure is
* returned.
*
* p12dcx - the decoder context
*/
SECStatus
SEC_PKCS12DecoderVerify(SEC_PKCS12DecoderContext *p12dcx)
{
SECStatus rv = SECSuccess;
/* make sure that no errors have occured... */
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
/* check the signature or the mac depending on the type of
* integrity used.
*/
if(p12dcx->pfx.encodedMacData.len) {
rv = SEC_ASN1DecodeItem(p12dcx->arena, &p12dcx->macData,
sec_PKCS12MacDataTemplate,
&p12dcx->pfx.encodedMacData);
if(rv == SECSuccess) {
return sec_pkcs12_decoder_verify_mac(p12dcx);
} else {
PORT_SetError(SEC_ERROR_NO_MEMORY);
}
} else {
if(SEC_PKCS7VerifySignature(p12dcx->aSafeCinfo, certUsageEmailSigner,
PR_FALSE)) {
return SECSuccess;
} else {
PORT_SetError(SEC_ERROR_PKCS12_INVALID_MAC);
}
}
return SECFailure;
}
/* SEC_PKCS12DecoderFinish
* Free any open ASN1 or PKCS7 decoder contexts and then
* free the arena pool which everything should be allocated
* from. This function should be called upon completion of
* decoding and installing of a pfx pdu. This should be
* called even if an error occurs.
*
* p12dcx - the decoder context
*/
void
SEC_PKCS12DecoderFinish(SEC_PKCS12DecoderContext *p12dcx)
{
if(!p12dcx) {
return;
}
if(p12dcx->pfxDcx) {
SEC_ASN1DecoderFinish(p12dcx->pfxDcx);
p12dcx->pfxDcx = NULL;
}
if(p12dcx->aSafeDcx) {
SEC_ASN1DecoderFinish(p12dcx->aSafeDcx);
p12dcx->aSafeDcx = NULL;
}
if(p12dcx->currentASafeP7Dcx) {
SEC_PKCS7DecoderFinish(p12dcx->currentASafeP7Dcx);
p12dcx->currentASafeP7Dcx = NULL;
}
if(p12dcx->aSafeP7Dcx) {
SEC_PKCS7DecoderFinish(p12dcx->aSafeP7Dcx);
}
if(p12dcx->hmacDcx) {
SEC_ASN1DecoderFinish(p12dcx->hmacDcx);
p12dcx->hmacDcx = NULL;
}
if(p12dcx->slot) {
PK11_FreeSlot(p12dcx->slot);
p12dcx->slot = NULL;
}
if(p12dcx->arena) {
PORT_FreeArena(p12dcx->arena, PR_TRUE);
}
}
static SECStatus
sec_pkcs12_decoder_set_attribute_value(sec_PKCS12SafeBag *bag,
SECOidTag attributeType,
SECItem *attrValue)
{
int i = 0;
SECOidData *oid;
if(!bag || !attrValue) {
return SECFailure;
}
oid = SECOID_FindOIDByTag(attributeType);
if(!oid) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
if(!bag->attribs) {
bag->attribs = (sec_PKCS12Attribute**)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12Attribute *) * 2);
} else {
while(bag->attribs[i]) i++;
bag->attribs = (sec_PKCS12Attribute **)PORT_ArenaGrow(bag->arena,
bag->attribs,
(i + 1) * sizeof(sec_PKCS12Attribute *),
(i + 2) * sizeof(sec_PKCS12Attribute *));
}
if(!bag->attribs) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
bag->attribs[i] = (sec_PKCS12Attribute*)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12Attribute));
if(!bag->attribs) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
bag->attribs[i]->attrValue = (SECItem**)PORT_ArenaZAlloc(bag->arena,
sizeof(SECItem *) * 2);
if(!bag->attribs[i]->attrValue) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
bag->attribs[i+1] = NULL;
bag->attribs[i]->attrValue[0] = attrValue;
bag->attribs[i]->attrValue[1] = NULL;
if(SECITEM_CopyItem(bag->arena, &bag->attribs[i]->attrType, &oid->oid)
!= SECSuccess) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
return SECSuccess;
}
static SECItem *
sec_pkcs12_get_attribute_value(sec_PKCS12SafeBag *bag,
SECOidTag attributeType)
{
int i = 0;
if(!bag->attribs) {
return NULL;
}
while(bag->attribs[i] != NULL) {
if(SECOID_FindOIDTag(&bag->attribs[i]->attrType)
== attributeType) {
return bag->attribs[i]->attrValue[0];
}
i++;
}
return NULL;
}
/* For now, this function will merely remove any ":"
* in the nickname which the PK11 functions may have
* placed there. This will keep dual certs from appearing
* twice under "Your" certificates when imported onto smart
* cards. Once with the name "Slot:Cert" and another with
* the nickname "Slot:Slot:Cert"
*/
static void
sec_pkcs12_sanitize_nickname(PK11SlotInfo *slot, SECItem *nick)
{
char *nickname;
char *delimit;
int delimitlen;
nickname = (char*)nick->data; /*Mac breaks without this type cast*/
if ((delimit = PORT_Strchr(nickname, ':')) != NULL) {
char *slotName;
int slotNameLen;
slotNameLen = delimit-nickname;
slotName = PORT_NewArray(char, (slotNameLen+1));
PORT_Assert(slotName);
if (slotName == NULL) {
/* What else can we do?*/
return;
}
PORT_Memcpy(slotName, nickname, slotNameLen);
slotName[slotNameLen] = '\0';
if (PORT_Strcmp(PK11_GetTokenName(slot), slotName) == 0) {
delimitlen = PORT_Strlen(delimit+1);
PORT_Memmove(nickname, delimit+1, delimitlen+1);
nick->len = delimitlen;
}
PORT_Free(slotName);
}
}
static SECItem *
sec_pkcs12_get_nickname(sec_PKCS12SafeBag *bag)
{
SECItem *src, *dest;
if(!bag) {
bag->problem = PR_TRUE;
bag->error = SEC_ERROR_NO_MEMORY;
return NULL;
}
src = sec_pkcs12_get_attribute_value(bag, SEC_OID_PKCS9_FRIENDLY_NAME);
if(!src) {
return NULL;
}
dest = (SECItem*)PORT_ZAlloc(sizeof(SECItem));
if(!dest) {
goto loser;
}
if(!sec_pkcs12_convert_item_to_unicode(NULL, dest, src, PR_FALSE,
PR_FALSE, PR_FALSE)) {
goto loser;
}
sec_pkcs12_sanitize_nickname(bag->slot, dest);
return dest;
loser:
if(dest) {
SECITEM_ZfreeItem(dest, PR_TRUE);
}
bag->problem = PR_TRUE;
bag->error = PORT_GetError();
return NULL;
}
static SECStatus
sec_pkcs12_set_nickname(sec_PKCS12SafeBag *bag, SECItem *name)
{
int i = 0;
sec_PKCS12Attribute *attr = NULL;
SECOidData *oid = SECOID_FindOIDByTag(SEC_OID_PKCS9_FRIENDLY_NAME);
if(!bag || !bag->arena || !name) {
return SECFailure;
}
if(!bag->attribs) {
if(!oid) {
goto loser;
}
bag->attribs = (sec_PKCS12Attribute**)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12Attribute *)*2);
if(!bag->attribs) {
goto loser;
}
bag->attribs[0] = (sec_PKCS12Attribute*)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12Attribute));
if(!bag->attribs[0]) {
goto loser;
}
bag->attribs[1] = NULL;
attr = bag->attribs[0];
if(SECITEM_CopyItem(bag->arena, &attr->attrType, &oid->oid)
!= SECSuccess) {
goto loser;
}
} else {
while(bag->attribs[i]) {
if(SECOID_FindOIDTag(&bag->attribs[i]->attrType)
== SEC_OID_PKCS9_FRIENDLY_NAME) {
attr = bag->attribs[i];
goto have_attrib;
}
i++;
}
if(!attr) {
bag->attribs = (sec_PKCS12Attribute **)PORT_ArenaGrow(bag->arena,
bag->attribs,
(i+1) * sizeof(sec_PKCS12Attribute *),
(i+2) * sizeof(sec_PKCS12Attribute *));
if(!bag->attribs) {
goto loser;
}
bag->attribs[i] =
(sec_PKCS12Attribute *)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12Attribute));
if(!bag->attribs[i]) {
goto loser;
}
bag->attribs[i+1] = NULL;
attr = bag->attribs[i];
if(SECITEM_CopyItem(bag->arena, &attr->attrType, &oid->oid)
!= SECSuccess) {
goto loser;
}
}
}
have_attrib:
PORT_Assert(attr);
if(!attr->attrValue) {
attr->attrValue = (SECItem **)PORT_ArenaZAlloc(bag->arena,
sizeof(SECItem *) * 2);
if(!attr->attrValue) {
goto loser;
}
attr->attrValue[0] = (SECItem*)PORT_ArenaZAlloc(bag->arena,
sizeof(SECItem));
if(!attr->attrValue[0]) {
goto loser;
}
attr->attrValue[1] = NULL;
}
name->len = PORT_Strlen((char *)name->data);
if(!sec_pkcs12_convert_item_to_unicode(bag->arena, attr->attrValue[0],
name, PR_FALSE, PR_FALSE, PR_TRUE)) {
goto loser;
}
return SECSuccess;
loser:
bag->problem = PR_TRUE;
bag->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
static SECStatus
sec_pkcs12_get_key_info(sec_PKCS12SafeBag *key)
{
int i = 0;
SECKEYPrivateKeyInfo *pki = NULL;
if(!key) {
return SECFailure;
}
/* if the bag does *not* contain an unencrypted PrivateKeyInfo
* then we cannot convert the attributes. We are propagating
* attributes within the PrivateKeyInfo to the SafeBag level.
*/
if(SECOID_FindOIDTag(&(key->safeBagType)) !=
SEC_OID_PKCS12_V1_KEY_BAG_ID) {
return SECSuccess;
}
pki = key->safeBagContent.pkcs8KeyBag;
if(!pki || !pki->attributes) {
return SECSuccess;
}
while(pki->attributes[i]) {
SECItem *attrValue = NULL;
if(SECOID_FindOIDTag(&pki->attributes[i]->attrType) ==
SEC_OID_PKCS9_LOCAL_KEY_ID) {
attrValue = sec_pkcs12_get_attribute_value(key,
SEC_OID_PKCS9_LOCAL_KEY_ID);
if(!attrValue) {
if(sec_pkcs12_decoder_set_attribute_value(key,
SEC_OID_PKCS9_LOCAL_KEY_ID,
pki->attributes[i]->attrValue[0])
!= SECSuccess) {
key->problem = PR_TRUE;
key->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
}
}
if(SECOID_FindOIDTag(&pki->attributes[i]->attrType) ==
SEC_OID_PKCS9_FRIENDLY_NAME) {
attrValue = sec_pkcs12_get_attribute_value(key,
SEC_OID_PKCS9_FRIENDLY_NAME);
if(!attrValue) {
if(sec_pkcs12_decoder_set_attribute_value(key,
SEC_OID_PKCS9_FRIENDLY_NAME,
pki->attributes[i]->attrValue[0])
!= SECSuccess) {
key->problem = PR_TRUE;
key->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
}
}
i++;
}
return SECSuccess;
}
/* retrieve the nickname for the certificate bag. first look
* in the cert bag, otherwise get it from the key.
*/
static SECItem *
sec_pkcs12_get_nickname_for_cert(sec_PKCS12SafeBag *cert,
sec_PKCS12SafeBag *key,
void *wincx)
{
SECItem *nickname;
if(!cert) {
return NULL;
}
nickname = sec_pkcs12_get_nickname(cert);
if(nickname) {
return nickname;
}
if(key) {
nickname = sec_pkcs12_get_nickname(key);
if(nickname && sec_pkcs12_set_nickname(cert, nickname)
!= SECSuccess) {
cert->error = SEC_ERROR_NO_MEMORY;
cert->problem = PR_TRUE;
if(nickname) {
SECITEM_ZfreeItem(nickname, PR_TRUE);
}
return NULL;
}
}
return nickname;
}
/* set the nickname for the certificate */
static SECStatus
sec_pkcs12_set_nickname_for_cert(sec_PKCS12SafeBag *cert,
sec_PKCS12SafeBag *key,
SECItem *nickname,
void *wincx)
{
if(!nickname || !cert) {
return SECFailure;
}
if(sec_pkcs12_set_nickname(cert, nickname) != SECSuccess) {
cert->error = SEC_ERROR_NO_MEMORY;
cert->problem = PR_TRUE;
return SECFailure;
}
if(key) {
if(sec_pkcs12_set_nickname(key, nickname) != SECSuccess) {
cert->error = SEC_ERROR_NO_MEMORY;
cert->problem = PR_TRUE;
return SECFailure;
}
}
return SECSuccess;
}
/* retrieve the DER cert from the cert bag */
static SECItem *
sec_pkcs12_get_der_cert(sec_PKCS12SafeBag *cert)
{
if(!cert) {
return NULL;
}
if(SECOID_FindOIDTag(&cert->safeBagType) != SEC_OID_PKCS12_V1_CERT_BAG_ID) {
return NULL;
}
/* only support X509 certs not SDSI */
if(SECOID_FindOIDTag(&cert->safeBagContent.certBag->bagID)
!= SEC_OID_PKCS9_X509_CERT) {
return NULL;
}
return SECITEM_DupItem(&(cert->safeBagContent.certBag->value.x509Cert));
}
struct certNickInfo {
PRArenaPool *arena;
unsigned int nNicks;
SECItem **nickList;
unsigned int error;
};
/* callback for traversing certificates to gather the nicknames
* used in a particular traversal. for instance, when using
* CERT_TraversePermCertsForSubject, gather the nicknames and
* store them in the certNickInfo for a particular DN.
*
* this handles the case where multiple nicknames are allowed
* for the same dn, which is not currently allowed, but may be
* in the future.
*/
static SECStatus
gatherNicknames(CERTCertificate *cert, void *arg)
{
struct certNickInfo *nickArg = (struct certNickInfo *)arg;
SECItem tempNick;
unsigned int i;
if(!cert || !nickArg || nickArg->error) {
return SECFailure;
}
if(!cert->nickname) {
return SECSuccess;
}
tempNick.data = (unsigned char *)cert->nickname;
tempNick.len = PORT_Strlen(cert->nickname) + 1;
/* do we already have the nickname in the list? */
if(nickArg->nNicks > 0) {
/* nicknames have been encountered, but there is no list -- bad */
if(!nickArg->nickList) {
nickArg->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
for(i = 0; i < nickArg->nNicks; i++) {
if(SECITEM_CompareItem(nickArg->nickList[i], &tempNick)
== SECEqual) {
return SECSuccess;
}
}
}
/* add the nickname to the list */
if(nickArg->nNicks == 0) {
nickArg->nickList = (SECItem **)PORT_ArenaZAlloc(nickArg->arena,
2 * sizeof(SECItem *));
} else {
nickArg->nickList = (SECItem **)PORT_ArenaGrow(nickArg->arena,
nickArg->nickList,
(nickArg->nNicks + 1) * sizeof(SECItem *),
(nickArg->nNicks + 2) * sizeof(SECItem *));
}
if(!nickArg->nickList) {
nickArg->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
nickArg->nickList[nickArg->nNicks] =
(SECItem *)PORT_ArenaZAlloc(nickArg->arena, sizeof(SECItem));
if(!nickArg->nickList[nickArg->nNicks]) {
nickArg->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
if(SECITEM_CopyItem(nickArg->arena, nickArg->nickList[nickArg->nNicks],
&tempNick) != SECSuccess) {
nickArg->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
nickArg->nNicks++;
return SECSuccess;
}
/* traverses the certs in the data base or in the token for the
* DN to see if any certs currently have a nickname set.
* If so, return it.
*/
static SECItem *
sec_pkcs12_get_existing_nick_for_dn(sec_PKCS12SafeBag *cert, void *wincx)
{
struct certNickInfo *nickArg = NULL;
SECItem *derCert, *returnDn = NULL;
PRArenaPool *arena = NULL;
CERTCertificate *tempCert;
if(!cert) {
return NULL;
}
derCert = sec_pkcs12_get_der_cert(cert);
if(!derCert) {
return NULL;
}
tempCert = CERT_DecodeDERCertificate(derCert, PR_FALSE, NULL);
if(!tempCert) {
returnDn = NULL;
goto loser;
}
arena = PORT_NewArena(1024);
if(!arena) {
returnDn = NULL;
goto loser;
}
nickArg = (struct certNickInfo *)PORT_ArenaZAlloc(arena,
sizeof(struct certNickInfo));
if(!nickArg) {
returnDn = NULL;
goto loser;
}
nickArg->error = 0;
nickArg->nNicks = 0;
nickArg->nickList = NULL;
nickArg->arena = arena;
/* if the token is local, first traverse the cert database
* then traverse the token.
*/
if(PK11_TraverseCertsForSubjectInSlot(tempCert, cert->slot, gatherNicknames,
(void *)nickArg) != SECSuccess) {
returnDn = NULL;
goto loser;
}
if(nickArg->error) {
/* XXX do we want to set the error? */
returnDn = NULL;
goto loser;
}
if(nickArg->nNicks == 0) {
returnDn = NULL;
goto loser;
}
/* set it to the first name, for now. handle multiple names? */
returnDn = SECITEM_DupItem(nickArg->nickList[0]);
loser:
if(arena) {
PORT_FreeArena(arena, PR_TRUE);
}
if(tempCert) {
CERT_DestroyCertificate(tempCert);
}
if(derCert) {
SECITEM_FreeItem(derCert, PR_TRUE);
}
return (returnDn);
}
/* counts certificates found for a given traversal function */
static SECStatus
countCertificate(CERTCertificate *cert, void *arg)
{
unsigned int *nCerts = (unsigned int *)arg;
if(!cert || !arg) {
return SECFailure;
}
(*nCerts)++;
return SECSuccess;
}
static PRBool
sec_pkcs12_certs_for_nickname_exist(SECItem *nickname, PK11SlotInfo *slot)
{
unsigned int nCerts = 0;
if(!nickname || !slot) {
return PR_TRUE;
}
/* we want to check the local database first if we are importing to it */
PK11_TraverseCertsForNicknameInSlot(nickname, slot, countCertificate,
(void *)&nCerts);
if(nCerts) return PR_TRUE;
return PR_FALSE;
}
/* validate cert nickname such that there is a one-to-one relation
* between nicknames and dn's. we want to enforce the case that the
* nickname is non-NULL and that there is only one nickname per DN.
*
* if there is a problem with a nickname or the nickname is not present,
* the user will be prompted for it.
*/
static void
sec_pkcs12_validate_cert_nickname(sec_PKCS12SafeBag *cert,
sec_PKCS12SafeBag *key,
SEC_PKCS12NicknameCollisionCallback nicknameCb,
void *wincx)
{
SECItem *certNickname, *existingDNNick;
PRBool setNickname = PR_FALSE, cancel = PR_FALSE;
SECItem *newNickname = NULL;
if(!cert || !cert->hasKey) {
return;
}
if(!nicknameCb) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
return;
}
if(cert->hasKey && !key) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
return;
}
certNickname = sec_pkcs12_get_nickname_for_cert(cert, key, wincx);
existingDNNick = sec_pkcs12_get_existing_nick_for_dn(cert, wincx);
/* nickname is already used w/ this dn, so it is safe to return */
if(certNickname && existingDNNick &&
SECITEM_CompareItem(certNickname, existingDNNick) == SECEqual) {
goto loser;
}
/* nickname not set in pkcs 12 bags, but a nick is already used for
* this dn. set the nicks in the p12 bags and finish.
*/
if(existingDNNick) {
if(sec_pkcs12_set_nickname_for_cert(cert, key, existingDNNick, wincx)
!= SECSuccess) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
}
goto loser;
}
/* at this point, we have a certificate for which the DN is not located
* on the token. the nickname specified may or may not be NULL. if it
* is not null, we need to make sure that there are no other certificates
* with this nickname in the token for it to be valid. this imposes a
* one to one relationship between DN and nickname.
*
* if the nickname is null, we need the user to enter a nickname for
* the certificate.
*
* once we have a nickname, we make sure that the nickname is unique
* for the DN. if it is not, the user is reprompted to enter a new
* nickname.
*
* in order to exit this loop, the nickname entered is either unique
* or the user hits cancel and the certificate is not imported.
*/
setNickname = PR_FALSE;
while(1) {
if(certNickname && certNickname->data) {
/* we will use the nickname so long as no other certs have the
* same nickname. and the nickname is not NULL.
*/
if(!sec_pkcs12_certs_for_nickname_exist(certNickname, cert->slot)) {
if(setNickname) {
if(sec_pkcs12_set_nickname_for_cert(cert, key, certNickname,
wincx) != SECSuccess) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
}
}
goto loser;
}
}
setNickname = PR_FALSE;
newNickname = (*nicknameCb)(certNickname, &cancel, wincx);
if(cancel) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_USER_CANCELLED;
goto loser;
}
if(!newNickname) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
goto loser;
}
/* at this point we have a new nickname, if we have an existing
* certNickname, we need to free it and assign the new nickname
* to it to avoid a memory leak. happy?
*/
if(certNickname) {
SECITEM_ZfreeItem(certNickname, PR_TRUE);
certNickname = NULL;
}
certNickname = newNickname;
setNickname = PR_TRUE;
/* go back and recheck the new nickname */
}
loser:
if(certNickname) {
SECITEM_ZfreeItem(certNickname, PR_TRUE);
}
if(existingDNNick) {
SECITEM_ZfreeItem(existingDNNick, PR_TRUE);
}
}
static void
sec_pkcs12_validate_cert(sec_PKCS12SafeBag *cert,
sec_PKCS12SafeBag *key,
SEC_PKCS12NicknameCollisionCallback nicknameCb,
void *wincx)
{
CERTCertificate *leafCert, *testCert;
if(!cert) {
return;
}
cert->validated = PR_TRUE;
if(!nicknameCb) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
cert->noInstall = PR_TRUE;
return;
}
if(!cert->safeBagContent.certBag) {
cert->noInstall = PR_TRUE;
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE;
return;
}
cert->noInstall = PR_FALSE;
cert->removeExisting = PR_FALSE;
cert->problem = PR_FALSE;
cert->error = 0;
leafCert = CERT_DecodeDERCertificate(
&cert->safeBagContent.certBag->value.x509Cert, PR_FALSE, NULL);
if(!leafCert) {
cert->noInstall = PR_TRUE;
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
return;
}
testCert = PK11_FindCertFromDERCert(cert->slot, leafCert, wincx);
CERT_DestroyCertificate(leafCert);
/* if we can't find the certificate through the PKCS11 interface,
* we should check the cert database directly, if we are
* importing to an internal slot.
*/
if(!testCert && PK11_IsInternal(cert->slot)) {
testCert = CERT_FindCertByDERCert(CERT_GetDefaultCertDB(),
&cert->safeBagContent.certBag->value.x509Cert);
}
if(testCert) {
if(!testCert->nickname) {
cert->removeExisting = PR_TRUE;
}
CERT_DestroyCertificate(testCert);
if(cert->noInstall && !cert->removeExisting) {
return;
}
}
sec_pkcs12_validate_cert_nickname(cert, key, nicknameCb, wincx);
}
static void
sec_pkcs12_validate_key_by_cert(sec_PKCS12SafeBag *cert, sec_PKCS12SafeBag *key,
void *wincx)
{
CERTCertificate *leafCert;
SECKEYPrivateKey *privk;
if(!key) {
return;
}
key->validated = PR_TRUE;
if(!cert) {
key->problem = PR_TRUE;
key->noInstall = PR_TRUE;
key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY;
return;
}
leafCert = CERT_DecodeDERCertificate(
&(cert->safeBagContent.certBag->value.x509Cert), PR_FALSE, NULL);
if(!leafCert) {
key->problem = PR_TRUE;
key->noInstall = PR_TRUE;
key->error = SEC_ERROR_NO_MEMORY;
return;
}
privk = PK11_FindPrivateKeyFromCert(key->slot, leafCert, wincx);
if(!privk) {
privk = PK11_FindKeyByDERCert(key->slot, leafCert, wincx);
}
if(privk) {
SECKEY_DestroyPrivateKey(privk);
key->noInstall = PR_TRUE;
}
CERT_DestroyCertificate(leafCert);
}
static SECStatus
sec_pkcs12_remove_existing_cert(sec_PKCS12SafeBag *cert,
void *wincx)
{
SECItem *derCert = NULL;
CERTCertificate *tempCert = NULL;
CK_OBJECT_HANDLE certObj;
PRBool removed = PR_FALSE;
if(!cert) {
return SECFailure;
}
PORT_Assert(cert->removeExisting);
cert->removeExisting = PR_FALSE;
derCert = &cert->safeBagContent.certBag->value.x509Cert;
tempCert = CERT_DecodeDERCertificate(derCert, PR_FALSE, NULL);
if(!tempCert) {
return SECFailure;
}
certObj = PK11_FindCertInSlot(cert->slot, tempCert, wincx);
CERT_DestroyCertificate(tempCert);
tempCert = NULL;
if(certObj != CK_INVALID_HANDLE) {
PK11_DestroyObject(cert->slot, certObj);
removed = PR_TRUE;
} else if(PK11_IsInternal(cert->slot)) {
tempCert = CERT_FindCertByDERCert(CERT_GetDefaultCertDB(), derCert);
if(tempCert) {
if(SEC_DeletePermCertificate(tempCert) == SECSuccess) {
removed = PR_TRUE;
}
CERT_DestroyCertificate(tempCert);
tempCert = NULL;
}
}
if(!removed) {
cert->problem = PR_TRUE;
cert->error = SEC_ERROR_NO_MEMORY;
cert->noInstall = PR_TRUE;
}
if(tempCert) {
CERT_DestroyCertificate(tempCert);
}
return ((removed) ? SECSuccess : SECFailure);
}
static SECStatus
sec_pkcs12_add_cert(sec_PKCS12SafeBag *cert, PRBool keyExists, void *wincx)
{
SECItem *derCert, *nickName;
char *nickData = NULL;
SECStatus rv;
if(!cert) {
return SECFailure;
}
if(cert->problem || cert->noInstall || cert->installed) {
return SECSuccess;
}
derCert = &cert->safeBagContent.certBag->value.x509Cert;
if(cert->removeExisting) {
if(sec_pkcs12_remove_existing_cert(cert, wincx)
!= SECSuccess) {
return SECFailure;
}
cert->removeExisting = PR_FALSE;
}
PORT_Assert(!cert->problem && !cert->removeExisting && !cert->noInstall);
nickName = sec_pkcs12_get_nickname(cert);
if(nickName) {
nickData = (char *)nickName->data;
}
if(keyExists) {
CERTCertificate *newCert;
newCert = CERT_DecodeDERCertificate( derCert, PR_FALSE, NULL);
if(!newCert) {
if(nickName) SECITEM_ZfreeItem(nickName, PR_TRUE);
cert->error = SEC_ERROR_NO_MEMORY;
cert->problem = PR_TRUE;
return SECFailure;
}
rv = PK11_ImportCertForKeyToSlot(cert->slot, newCert, nickData,
PR_TRUE, wincx);
CERT_DestroyCertificate(newCert);
} else {
SECItem *certList[2];
certList[0] = derCert;
certList[1] = NULL;
rv = CERT_ImportCerts(CERT_GetDefaultCertDB(), certUsageUserCertImport,
1, certList, NULL, PR_TRUE, PR_FALSE, nickData);
}
cert->installed = PR_TRUE;
if(nickName) SECITEM_ZfreeItem(nickName, PR_TRUE);
return rv;
}
static SECStatus
sec_pkcs12_add_key(sec_PKCS12SafeBag *key, SECItem *publicValue,
KeyType keyType, unsigned int keyUsage, void *wincx)
{
SECStatus rv;
SECItem *nickName;
if(!key) {
return SECFailure;
}
if(key->removeExisting) {
key->problem = PR_TRUE;
key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY;
return SECFailure;
}
if(key->problem || key->noInstall) {
return SECSuccess;
}
nickName = sec_pkcs12_get_nickname(key);
switch(SECOID_FindOIDTag(&key->safeBagType))
{
case SEC_OID_PKCS12_V1_KEY_BAG_ID:
rv = PK11_ImportPrivateKeyInfo(key->slot,
key->safeBagContent.pkcs8KeyBag,
nickName, publicValue, PR_TRUE, PR_TRUE,
keyUsage, wincx);
break;
case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID:
rv = PK11_ImportEncryptedPrivateKeyInfo(key->slot,
key->safeBagContent.pkcs8ShroudedKeyBag,
key->pwitem, nickName, publicValue,
PR_TRUE, PR_TRUE, keyType, keyUsage,
wincx);
break;
default:
key->error = SEC_ERROR_PKCS12_UNSUPPORTED_VERSION;
key->problem = PR_TRUE;
if(nickName) {
SECITEM_ZfreeItem(nickName, PR_TRUE);
}
return SECFailure;
}
key->installed = PR_TRUE;
if(nickName) {
SECITEM_ZfreeItem(nickName, PR_TRUE);
}
if(rv != SECSuccess) {
key->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY;
key->problem = PR_TRUE;
} else {
key->installed = PR_TRUE;
}
return rv;
}
static SECStatus
sec_pkcs12_add_item_to_bag_list(sec_PKCS12SafeBag ***bagList,
sec_PKCS12SafeBag *bag)
{
int i = 0;
if(!bagList || !bag) {
return SECFailure;
}
if(!(*bagList)) {
(*bagList) = (sec_PKCS12SafeBag **)PORT_ArenaZAlloc(bag->arena,
sizeof(sec_PKCS12SafeBag *) * 2);
} else {
while((*bagList)[i]) i++;
(*bagList) = (sec_PKCS12SafeBag **)PORT_ArenaGrow(bag->arena, *bagList,
sizeof(sec_PKCS12SafeBag *) * (i + 1),
sizeof(sec_PKCS12SafeBag *) * (i + 2));
}
if(!(*bagList)) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
(*bagList)[i] = bag;
(*bagList)[i+1] = NULL;
return SECSuccess;
}
static sec_PKCS12SafeBag **
sec_pkcs12_find_certs_for_key(sec_PKCS12SafeBag **safeBags, sec_PKCS12SafeBag *key )
{
sec_PKCS12SafeBag **certList = NULL;
SECItem *keyId;
int i;
if(!safeBags || !safeBags[0]) {
return NULL;
}
keyId = sec_pkcs12_get_attribute_value(key, SEC_OID_PKCS9_LOCAL_KEY_ID);
if(!keyId) {
return NULL;
}
i = 0;
certList = NULL;
while(safeBags[i]) {
if(SECOID_FindOIDTag(&(safeBags[i]->safeBagType))
== SEC_OID_PKCS12_V1_CERT_BAG_ID) {
SECItem *certKeyId = sec_pkcs12_get_attribute_value(safeBags[i],
SEC_OID_PKCS9_LOCAL_KEY_ID);
if(certKeyId && (SECITEM_CompareItem(certKeyId, keyId)
== SECEqual)) {
if(sec_pkcs12_add_item_to_bag_list(&certList, safeBags[i])
!= SECSuccess) {
return NULL;
}
}
}
i++;
}
return certList;
}
CERTCertList *
SEC_PKCS12DecoderGetCerts(SEC_PKCS12DecoderContext *p12dcx)
{
CERTCertList *certList = NULL;
sec_PKCS12SafeBag **safeBags = p12dcx->safeBags;
int i;
if (!p12dcx || !p12dcx->safeBags || !p12dcx->safeBags[0]) {
return NULL;
}
safeBags = p12dcx->safeBags;
i = 0;
certList = CERT_NewCertList();
if (certList == NULL) {
return NULL;
}
while(safeBags[i]) {
if (SECOID_FindOIDTag(&(safeBags[i]->safeBagType))
== SEC_OID_PKCS12_V1_CERT_BAG_ID) {
SECItem *derCert = sec_pkcs12_get_der_cert(safeBags[i]) ;
CERTCertificate *tempCert = NULL;
if (derCert == NULL) continue;
tempCert=CERT_DecodeDERCertificate(derCert, PR_TRUE, NULL);
if (tempCert) {
CERT_AddCertToListTail(certList,tempCert);
}
SECITEM_FreeItem(derCert,PR_TRUE);
}
i++;
}
return certList;
}
static sec_PKCS12SafeBag **
sec_pkcs12_get_key_bags(sec_PKCS12SafeBag **safeBags)
{
int i;
sec_PKCS12SafeBag **keyList = NULL;
SECOidTag bagType;
if(!safeBags || !safeBags[0]) {
return NULL;
}
i = 0;
while(safeBags[i]) {
bagType = SECOID_FindOIDTag(&(safeBags[i]->safeBagType));
switch(bagType) {
case SEC_OID_PKCS12_V1_KEY_BAG_ID:
case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID:
if(sec_pkcs12_add_item_to_bag_list(&keyList, safeBags[i])
!= SECSuccess) {
return NULL;
}
break;
default:
break;
}
i++;
}
return keyList;
}
static SECStatus
sec_pkcs12_validate_bags(sec_PKCS12SafeBag **safeBags,
SEC_PKCS12NicknameCollisionCallback nicknameCb,
void *wincx)
{
sec_PKCS12SafeBag **keyList;
int i;
if(!safeBags || !nicknameCb) {
return SECFailure;
}
if(!safeBags[0]) {
return SECSuccess;
}
keyList = sec_pkcs12_get_key_bags(safeBags);
if(keyList) {
i = 0;
while(keyList[i]) {
sec_PKCS12SafeBag **certList = sec_pkcs12_find_certs_for_key(
safeBags, keyList[i]);
if(certList) {
int j = 0;
if(SECOID_FindOIDTag(&(keyList[i]->safeBagType)) ==
SEC_OID_PKCS12_V1_KEY_BAG_ID) {
/* if it is an unencrypted private key then make sure
* the attributes are propageted to the appropriate
* level
*/
if(sec_pkcs12_get_key_info(keyList[i]) != SECSuccess) {
keyList[i]->problem = PR_TRUE;
keyList[i]->error = SEC_ERROR_NO_MEMORY;
return SECFailure;
}
}
sec_pkcs12_validate_key_by_cert(certList[0], keyList[i], wincx);
while(certList[j]) {
certList[j]->hasKey = PR_TRUE;
if(keyList[i]->problem) {
certList[j]->problem = PR_TRUE;
certList[j]->error = keyList[i]->error;
} else {
sec_pkcs12_validate_cert(certList[j], keyList[i],
nicknameCb, wincx);
if(certList[j]->problem) {
keyList[i]->problem = certList[j]->problem;
keyList[i]->error = certList[j]->error;
}
}
j++;
}
}
i++;
}
}
i = 0;
while(safeBags[i]) {
if(!safeBags[i]->validated) {
SECOidTag bagType = SECOID_FindOIDTag(&safeBags[i]->safeBagType);
switch(bagType) {
case SEC_OID_PKCS12_V1_CERT_BAG_ID:
sec_pkcs12_validate_cert(safeBags[i], NULL, nicknameCb,
wincx);
break;
case SEC_OID_PKCS12_V1_KEY_BAG_ID:
case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID:
safeBags[i]->noInstall = PR_TRUE;
safeBags[i]->problem = PR_TRUE;
safeBags[i]->error = SEC_ERROR_PKCS12_UNABLE_TO_IMPORT_KEY;
break;
default:
safeBags[i]->noInstall = PR_TRUE;
}
}
i++;
}
return SECSuccess;
}
SECStatus
SEC_PKCS12DecoderValidateBags(SEC_PKCS12DecoderContext *p12dcx,
SEC_PKCS12NicknameCollisionCallback nicknameCb)
{
SECStatus rv;
int i, noInstallCnt, probCnt, bagCnt, errorVal = 0;
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
rv = sec_pkcs12_validate_bags(p12dcx->safeBags, nicknameCb, p12dcx->wincx);
if(rv == SECSuccess) {
p12dcx->bagsVerified = PR_TRUE;
}
noInstallCnt = probCnt = bagCnt = 0;
i = 0;
while(p12dcx->safeBags[i]) {
bagCnt++;
if(p12dcx->safeBags[i]->noInstall) noInstallCnt++;
if(p12dcx->safeBags[i]->problem) {
probCnt++;
errorVal = p12dcx->safeBags[i]->error;
}
i++;
}
if(bagCnt == noInstallCnt) {
PORT_SetError(SEC_ERROR_PKCS12_DUPLICATE_DATA);
return SECFailure;
}
if(probCnt) {
PORT_SetError(errorVal);
return SECFailure;
}
return rv;
}
static SECItem *
sec_pkcs12_get_public_value_and_type(sec_PKCS12SafeBag *certBag,
KeyType *type, unsigned int *usage)
{
SECKEYPublicKey *pubKey = NULL;
CERTCertificate *cert = NULL;
SECItem *pubValue;
*type = nullKey;
*usage = 0;
if(!certBag) {
return NULL;
}
cert = CERT_DecodeDERCertificate(
&certBag->safeBagContent.certBag->value.x509Cert, PR_FALSE, NULL);
if(!cert) {
return NULL;
}
*usage = cert->keyUsage;
pubKey = CERT_ExtractPublicKey(cert);
CERT_DestroyCertificate(cert);
if(!pubKey) {
return NULL;
}
*type = pubKey->keyType;
switch(pubKey->keyType) {
case dsaKey:
pubValue = SECITEM_DupItem(&pubKey->u.dsa.publicValue);
break;
case dhKey:
pubValue = SECITEM_DupItem(&pubKey->u.dh.publicValue);
break;
case rsaKey:
pubValue = SECITEM_DupItem(&pubKey->u.rsa.modulus);
break;
default:
pubValue = NULL;
}
SECKEY_DestroyPublicKey(pubKey);
return pubValue;
}
static SECStatus
sec_pkcs12_install_bags(sec_PKCS12SafeBag **safeBags,
void *wincx)
{
sec_PKCS12SafeBag **keyList, **certList;
int i;
if(!safeBags) {
return SECFailure;
}
if(!safeBags[0]) {
return SECSuccess;
}
keyList = sec_pkcs12_get_key_bags(safeBags);
if(keyList) {
i = 0;
while(keyList[i]) {
SECStatus rv;
SECItem *publicValue = NULL;
KeyType keyType;
unsigned int keyUsage;
if(keyList[i]->problem) {
goto next_key_bag;
}
certList = sec_pkcs12_find_certs_for_key(safeBags,
keyList[i]);
if(certList) {
publicValue = sec_pkcs12_get_public_value_and_type(certList[0],
&keyType, &keyUsage);
}
rv = sec_pkcs12_add_key(keyList[i], publicValue, keyType, keyUsage,
wincx);
if(publicValue) {
SECITEM_FreeItem(publicValue, PR_TRUE);
}
if(rv != SECSuccess) {
PORT_SetError(keyList[i]->error);
return SECFailure;
}
if(certList) {
int j = 0;
while(certList[j]) {
SECStatus certRv;
if(rv != SECSuccess) {
certList[j]->problem = keyList[i]->problem;
certList[j]->error = keyList[i]->error;
certList[j]->noInstall = PR_TRUE;
goto next_cert_bag;
}
certRv = sec_pkcs12_add_cert(certList[j],
certList[j]->hasKey, wincx);
if(certRv != SECSuccess) {
keyList[i]->problem = certList[j]->problem;
keyList[i]->error = certList[j]->error;
PORT_SetError(certList[j]->error);
return SECFailure;
}
next_cert_bag:
j++;
}
}
next_key_bag:
i++;
}
}
i = 0;
while(safeBags[i]) {
if(!safeBags[i]->installed) {
SECStatus rv;
SECOidTag bagType = SECOID_FindOIDTag(&(safeBags[i]->safeBagType));
switch(bagType) {
case SEC_OID_PKCS12_V1_CERT_BAG_ID:
rv = sec_pkcs12_add_cert(safeBags[i], safeBags[i]->hasKey,
wincx);
if(rv != SECSuccess) {
PORT_SetError(safeBags[i]->error);
return SECFailure;
}
break;
case SEC_OID_PKCS12_V1_KEY_BAG_ID:
case SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID:
default:
break;
}
}
i++;
}
return SECSuccess;
}
SECStatus
SEC_PKCS12DecoderImportBags(SEC_PKCS12DecoderContext *p12dcx)
{
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
if(!p12dcx->bagsVerified) {
return SECFailure;
}
return sec_pkcs12_install_bags(p12dcx->safeBags, p12dcx->wincx);
}
static SECStatus
sec_pkcs12_decoder_append_bag_to_context(SEC_PKCS12DecoderContext *p12dcx,
sec_PKCS12SafeBag *bag)
{
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
if(!p12dcx->safeBagCount) {
p12dcx->safeBags = (sec_PKCS12SafeBag **)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12SafeBag *) * 2);
} else {
p12dcx->safeBags =
(sec_PKCS12SafeBag **)PORT_ArenaGrow(p12dcx->arena, p12dcx->safeBags,
(p12dcx->safeBagCount + 1) * sizeof(sec_PKCS12SafeBag *),
(p12dcx->safeBagCount + 2) * sizeof(sec_PKCS12SafeBag *));
}
if(!p12dcx->safeBags) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return SECFailure;
}
p12dcx->safeBags[p12dcx->safeBagCount] = bag;
p12dcx->safeBags[p12dcx->safeBagCount+1] = NULL;
p12dcx->safeBagCount++;
return SECSuccess;
}
static sec_PKCS12SafeBag *
sec_pkcs12_decoder_convert_old_key(SEC_PKCS12DecoderContext *p12dcx,
void *key, PRBool isEspvk)
{
sec_PKCS12SafeBag *keyBag;
SECOidData *oid;
SECOidTag keyTag;
SECItem *keyID, *nickName, *newNickName;
if(!p12dcx || p12dcx->error || !key) {
return NULL;
}
newNickName =(SECItem *)PORT_ArenaZAlloc(p12dcx->arena, sizeof(SECItem));
keyBag = (sec_PKCS12SafeBag *)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12SafeBag));
if(!keyBag || !newNickName) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
keyBag->swapUnicodeBytes = p12dcx->swapUnicodeBytes;
keyBag->slot = p12dcx->slot;
keyBag->arena = p12dcx->arena;
keyBag->pwitem = p12dcx->pwitem;
keyBag->oldBagType = PR_TRUE;
keyTag = (isEspvk) ? SEC_OID_PKCS12_V1_PKCS8_SHROUDED_KEY_BAG_ID :
SEC_OID_PKCS12_V1_KEY_BAG_ID;
oid = SECOID_FindOIDByTag(keyTag);
if(!oid) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
if(SECITEM_CopyItem(p12dcx->arena, &keyBag->safeBagType, &oid->oid)
!= SECSuccess) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
if(isEspvk) {
SEC_PKCS12ESPVKItem *espvk = (SEC_PKCS12ESPVKItem *)key;
keyBag->safeBagContent.pkcs8ShroudedKeyBag =
espvk->espvkCipherText.pkcs8KeyShroud;
nickName = &(espvk->espvkData.uniNickName);
if(!espvk->espvkData.assocCerts || !espvk->espvkData.assocCerts[0]) {
PORT_SetError(SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE);
return NULL;
}
keyID = &espvk->espvkData.assocCerts[0]->digest;
} else {
SEC_PKCS12PrivateKey *pk = (SEC_PKCS12PrivateKey *)key;
keyBag->safeBagContent.pkcs8KeyBag = &pk->pkcs8data;
nickName= &(pk->pvkData.uniNickName);
if(!pk->pvkData.assocCerts || !pk->pvkData.assocCerts[0]) {
PORT_SetError(SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE);
return NULL;
}
keyID = &pk->pvkData.assocCerts[0]->digest;
}
if(nickName->len) {
if(nickName->len >= 2) {
if(nickName->data[0] && nickName->data[1]) {
if(!sec_pkcs12_convert_item_to_unicode(p12dcx->arena, newNickName,
nickName, PR_FALSE, PR_FALSE, PR_TRUE)) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
nickName = newNickName;
} else if(nickName->data[0] && !nickName->data[1]) {
unsigned int j = 0;
unsigned char t;
for(j = 0; j < nickName->len; j+=2) {
t = nickName->data[j+1];
nickName->data[j+1] = nickName->data[j];
nickName->data[j] = t;
}
}
} else {
if(!sec_pkcs12_convert_item_to_unicode(p12dcx->arena, newNickName,
nickName, PR_FALSE, PR_FALSE, PR_TRUE)) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
nickName = newNickName;
}
}
if(sec_pkcs12_decoder_set_attribute_value(keyBag,
SEC_OID_PKCS9_FRIENDLY_NAME,
nickName) != SECSuccess) {
return NULL;
}
if(sec_pkcs12_decoder_set_attribute_value(keyBag,SEC_OID_PKCS9_LOCAL_KEY_ID,
keyID) != SECSuccess) {
return NULL;
}
return keyBag;
}
static sec_PKCS12SafeBag *
sec_pkcs12_decoder_create_cert(SEC_PKCS12DecoderContext *p12dcx,
SECItem *derCert)
{
sec_PKCS12SafeBag *certBag;
SECOidData *oid;
SGNDigestInfo *digest;
SECItem *keyId;
SECStatus rv;
if(!p12dcx || p12dcx->error || !derCert) {
return NULL;
}
keyId = (SECItem *)PORT_ArenaZAlloc(p12dcx->arena, sizeof(SECItem));
if(!keyId) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
digest = sec_pkcs12_compute_thumbprint(derCert);
if(!digest) {
return NULL;
}
rv = SECITEM_CopyItem(p12dcx->arena, keyId, &digest->digest);
SGN_DestroyDigestInfo(digest);
if(rv != SECSuccess) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
oid = SECOID_FindOIDByTag(SEC_OID_PKCS12_V1_CERT_BAG_ID);
certBag = (sec_PKCS12SafeBag *)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12SafeBag));
if(!certBag || !oid || (SECITEM_CopyItem(p12dcx->arena,
&certBag->safeBagType, &oid->oid) != SECSuccess)) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
certBag->slot = p12dcx->slot;
certBag->pwitem = p12dcx->pwitem;
certBag->swapUnicodeBytes = p12dcx->swapUnicodeBytes;
certBag->arena = p12dcx->arena;
oid = SECOID_FindOIDByTag(SEC_OID_PKCS9_X509_CERT);
certBag->safeBagContent.certBag =
(sec_PKCS12CertBag *)PORT_ArenaZAlloc(p12dcx->arena,
sizeof(sec_PKCS12CertBag));
if(!certBag->safeBagContent.certBag || !oid ||
(SECITEM_CopyItem(p12dcx->arena,
&certBag->safeBagContent.certBag->bagID,
&oid->oid) != SECSuccess)) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
if(SECITEM_CopyItem(p12dcx->arena,
&(certBag->safeBagContent.certBag->value.x509Cert),
derCert) != SECSuccess) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
if(sec_pkcs12_decoder_set_attribute_value(certBag, SEC_OID_PKCS9_LOCAL_KEY_ID,
keyId) != SECSuccess) {
return NULL;
}
return certBag;
}
static sec_PKCS12SafeBag **
sec_pkcs12_decoder_convert_old_cert(SEC_PKCS12DecoderContext *p12dcx,
SEC_PKCS12CertAndCRL *oldCert)
{
sec_PKCS12SafeBag **certList;
SECItem **derCertList;
int i, j;
if(!p12dcx || p12dcx->error || !oldCert) {
return NULL;
}
derCertList = SEC_PKCS7GetCertificateList(&oldCert->value.x509->certOrCRL);
if(!derCertList) {
return NULL;
}
i = 0;
while(derCertList[i]) i++;
certList = (sec_PKCS12SafeBag **)PORT_ArenaZAlloc(p12dcx->arena,
(i + 1) * sizeof(sec_PKCS12SafeBag *));
if(!certList) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return NULL;
}
for(j = 0; j < i; j++) {
certList[j] = sec_pkcs12_decoder_create_cert(p12dcx, derCertList[j]);
if(!certList[j]) {
return NULL;
}
}
return certList;
}
static SECStatus
sec_pkcs12_decoder_convert_old_key_and_certs(SEC_PKCS12DecoderContext *p12dcx,
void *oldKey, PRBool isEspvk,
SEC_PKCS12SafeContents *safe,
SEC_PKCS12Baggage *baggage)
{
sec_PKCS12SafeBag *key, **certList;
SEC_PKCS12CertAndCRL *oldCert;
SEC_PKCS12PVKSupportingData *pvkData;
int i;
SECItem *keyName;
if(!p12dcx || !oldKey) {
return SECFailure;
}
if(isEspvk) {
pvkData = &((SEC_PKCS12ESPVKItem *)(oldKey))->espvkData;
} else {
pvkData = &((SEC_PKCS12PrivateKey *)(oldKey))->pvkData;
}
if(!pvkData->assocCerts || !pvkData->assocCerts[0]) {
PORT_SetError(SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE);
return SECFailure;
}
oldCert = (SEC_PKCS12CertAndCRL *)sec_pkcs12_find_object(safe, baggage,
SEC_OID_PKCS12_CERT_AND_CRL_BAG_ID, NULL,
pvkData->assocCerts[0]);
if(!oldCert) {
PORT_SetError(SEC_ERROR_PKCS12_CORRUPT_PFX_STRUCTURE);
return SECFailure;
}
key = sec_pkcs12_decoder_convert_old_key(p12dcx,oldKey, isEspvk);
certList = sec_pkcs12_decoder_convert_old_cert(p12dcx, oldCert);
if(!key || !certList) {
return SECFailure;
}
if(sec_pkcs12_decoder_append_bag_to_context(p12dcx, key) != SECSuccess) {
return SECFailure;
}
keyName = sec_pkcs12_get_nickname(key);
if(!keyName) {
return SECFailure;
}
i = 0;
while(certList[i]) {
if(sec_pkcs12_decoder_append_bag_to_context(p12dcx, certList[i])
!= SECSuccess) {
return SECFailure;
}
i++;
}
certList = sec_pkcs12_find_certs_for_key(p12dcx->safeBags, key);
if(!certList) {
return SECFailure;
}
i = 0;
while(certList[i] != 0) {
if(sec_pkcs12_set_nickname(certList[i], keyName) != SECSuccess) {
return SECFailure;
}
i++;
}
return SECSuccess;
}
static SECStatus
sec_pkcs12_decoder_convert_old_safe_to_bags(SEC_PKCS12DecoderContext *p12dcx,
SEC_PKCS12SafeContents *safe,
SEC_PKCS12Baggage *baggage)
{
SECStatus rv;
if(!p12dcx || p12dcx->error) {
return SECFailure;
}
if(safe && safe->contents) {
int i = 0;
while(safe->contents[i] != NULL) {
if(SECOID_FindOIDTag(&safe->contents[i]->safeBagType)
== SEC_OID_PKCS12_KEY_BAG_ID) {
int j = 0;
SEC_PKCS12PrivateKeyBag *privBag =
safe->contents[i]->safeContent.keyBag;
while(privBag->privateKeys[j] != NULL) {
SEC_PKCS12PrivateKey *pk = privBag->privateKeys[j];
rv = sec_pkcs12_decoder_convert_old_key_and_certs(p12dcx,pk,
PR_FALSE, safe, baggage);
if(rv != SECSuccess) {
goto loser;
}
j++;
}
}
i++;
}
}
if(baggage && baggage->bags) {
int i = 0;
while(baggage->bags[i] != NULL) {
SEC_PKCS12BaggageItem *bag = baggage->bags[i];
int j = 0;
if(!bag->espvks) {
i++;
continue;
}
while(bag->espvks[j] != NULL) {
SEC_PKCS12ESPVKItem *espvk = bag->espvks[j];
rv = sec_pkcs12_decoder_convert_old_key_and_certs(p12dcx, espvk,
PR_TRUE, safe, baggage);
if(rv != SECSuccess) {
goto loser;
}
j++;
}
i++;
}
}
return SECSuccess;
loser:
return SECFailure;
}
SEC_PKCS12DecoderContext *
sec_PKCS12ConvertOldSafeToNew(PRArenaPool *arena, PK11SlotInfo *slot,
PRBool swapUnicode, SECItem *pwitem,
void *wincx, SEC_PKCS12SafeContents *safe,
SEC_PKCS12Baggage *baggage)
{
SEC_PKCS12DecoderContext *p12dcx;
if(!arena || !slot || !pwitem) {
return NULL;
}
if(!safe && !baggage) {
return NULL;
}
p12dcx = (SEC_PKCS12DecoderContext *)PORT_ArenaZAlloc(arena,
sizeof(SEC_PKCS12DecoderContext));
if(!p12dcx) {
return NULL;
}
p12dcx->arena = arena;
p12dcx->slot = PK11_ReferenceSlot(slot);
p12dcx->wincx = wincx;
p12dcx->error = PR_FALSE;
p12dcx->swapUnicodeBytes = swapUnicode;
p12dcx->pwitem = pwitem;
if(sec_pkcs12_decoder_convert_old_safe_to_bags(p12dcx, safe, baggage)
!= SECSuccess) {
p12dcx->error = PR_TRUE;
return NULL;
}
return p12dcx;
}
Ссылка в новой задаче Показать git blame Копировать постоянную ссылку