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gecko-dev/security/nss/lib/certdb/pcertdb.c
relyea%netscape.com 41ef51dcd2 Fix compilier warnings on AIX, HP, Linux, and Solaris.
2001-09-20 21:34:42 +00:00

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/*
* 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.
*/
/*
* Permanent Certificate database handling code
*
* $Id: pcertdb.c,v 1.18 2001/09/20 21:34:39 relyea%netscape.com Exp $
*/
#include "prtime.h"
#include "cert.h"
#include "mcom_db.h"
#include "certdb.h"
#include "secitem.h"
#include "secder.h"
/* Call to PK11_FreeSlot below */
#include "secasn1.h"
#include "secerr.h"
#include "nssilock.h"
#include "prmon.h"
#include "nsslocks.h"
#include "base64.h"
#include "sechash.h"
#include "plhash.h"
#include "pk11func.h" /* sigh */
#include "cdbhdl.h"
/* forward declaration */
CERTCertificate *
CERT_FindCertByDERCertNoLocking(CERTCertDBHandle *handle, SECItem *derCert);
/*
* the following functions are wrappers for the db library that implement
* a global lock to make the database thread safe.
*/
static PZLock *dbLock = NULL;
void
certdb_InitDBLock(void)
{
if (dbLock == NULL) {
nss_InitLock(&dbLock, nssILockCertDB);
PORT_Assert(dbLock != NULL);
}
return;
}
static int
certdb_Get(DB *db, DBT *key, DBT *data, unsigned int flags)
{
PRStatus prstat;
int ret;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
ret = (* db->get)(db, key, data, flags);
prstat = PZ_Unlock(dbLock);
return(ret);
}
static int
certdb_Put(DB *db, DBT *key, DBT *data, unsigned int flags)
{
PRStatus prstat;
int ret;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
ret = (* db->put)(db, key, data, flags);
prstat = PZ_Unlock(dbLock);
return(ret);
}
static int
certdb_Sync(DB *db, unsigned int flags)
{
PRStatus prstat;
int ret;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
ret = (* db->sync)(db, flags);
prstat = PZ_Unlock(dbLock);
return(ret);
}
static int
certdb_Del(DB *db, DBT *key, unsigned int flags)
{
PRStatus prstat;
int ret;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
ret = (* db->del)(db, key, flags);
prstat = PZ_Unlock(dbLock);
return(ret);
}
static int
certdb_Seq(DB *db, DBT *key, DBT *data, unsigned int flags)
{
PRStatus prstat;
int ret;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
ret = (* db->seq)(db, key, data, flags);
prstat = PZ_Unlock(dbLock);
return(ret);
}
static void
certdb_Close(DB *db)
{
PRStatus prstat;
PORT_Assert(dbLock != NULL);
PZ_Lock(dbLock);
(* db->close)(db);
prstat = PZ_Unlock(dbLock);
return;
}
/* forward references */
static void CERT_DestroyCertificateNoLocking(CERTCertificate *cert);
static SECStatus AddCertToSPKDigestTable(CERTCertDBHandle *handle,
CERTCertificate *cert);
static SECStatus RemoveCertFromSPKDigestTable(CERTCertDBHandle *handle,
CERTCertificate *cert);
static SECStatus
DeleteDBEntry(CERTCertDBHandle *handle, certDBEntryType type, SECItem *dbkey)
{
DBT key;
int ret;
/* init the database key */
key.data = dbkey->data;
key.size = dbkey->len;
dbkey->data[0] = (unsigned char)type;
/* delete entry from database */
ret = certdb_Del(handle->permCertDB, &key, 0 );
if ( ret != 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
ret = certdb_Sync(handle->permCertDB, 0);
if ( ret ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
ReadDBEntry(CERTCertDBHandle *handle, certDBEntryCommon *entry,
SECItem *dbkey, SECItem *dbentry, PRArenaPool *arena)
{
DBT data, key;
int ret;
unsigned char *buf;
/* init the database key */
key.data = dbkey->data;
key.size = dbkey->len;
dbkey->data[0] = (unsigned char)entry->type;
/* read entry from database */
ret = certdb_Get(handle->permCertDB, &key, &data, 0 );
if ( ret != 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* validate the entry */
if ( data.size < SEC_DB_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
buf = (unsigned char *)data.data;
if ( buf[0] != (unsigned char)CERT_DB_FILE_VERSION ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
if ( buf[1] != (unsigned char)entry->type ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* copy out header information */
entry->version = (unsigned int)buf[0];
entry->type = (certDBEntryType)buf[1];
entry->flags = (unsigned int)buf[2];
/* format body of entry for return to caller */
dbentry->len = data.size - SEC_DB_ENTRY_HEADER_LEN;
if ( dbentry->len ) {
dbentry->data = (unsigned char *)PORT_ArenaAlloc(arena, dbentry->len);
if ( dbentry->data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(dbentry->data, &buf[SEC_DB_ENTRY_HEADER_LEN],
dbentry->len);
} else {
dbentry->data = NULL;
}
return(SECSuccess);
loser:
return(SECFailure);
}
/**
** Implement low level database access
**/
static SECStatus
WriteDBEntry(CERTCertDBHandle *handle, certDBEntryCommon *entry,
SECItem *dbkey, SECItem *dbentry)
{
int ret;
DBT data, key;
unsigned char *buf;
data.data = dbentry->data;
data.size = dbentry->len;
buf = (unsigned char*)data.data;
buf[0] = (unsigned char)entry->version;
buf[1] = (unsigned char)entry->type;
buf[2] = (unsigned char)entry->flags;
key.data = dbkey->data;
key.size = dbkey->len;
dbkey->data[0] = (unsigned char)entry->type;
/* put the record into the database now */
ret = certdb_Put(handle->permCertDB, &key, &data, 0);
if ( ret != 0 ) {
goto loser;
}
ret = certdb_Sync( handle->permCertDB, 0 );
if ( ret ) {
goto loser;
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* encode a database cert record
*/
static SECStatus
EncodeDBCertEntry(certDBEntryCert *entry, PRArenaPool *arena, SECItem *dbitem)
{
unsigned int nnlen;
unsigned char *buf;
char *nn;
char zbuf = 0;
if ( entry->nickname ) {
nn = entry->nickname;
} else {
nn = &zbuf;
}
nnlen = PORT_Strlen(nn) + 1;
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem->len = entry->derCert.len + nnlen + DB_CERT_ENTRY_HEADER_LEN +
SEC_DB_ENTRY_HEADER_LEN;
dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
if ( dbitem->data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* fill in database record */
buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
buf[0] = ( entry->trust.sslFlags >> 8 ) & 0xff;
buf[1] = entry->trust.sslFlags & 0xff;
buf[2] = ( entry->trust.emailFlags >> 8 ) & 0xff;
buf[3] = entry->trust.emailFlags & 0xff;
buf[4] = ( entry->trust.objectSigningFlags >> 8 ) & 0xff;
buf[5] = entry->trust.objectSigningFlags & 0xff;
buf[6] = ( entry->derCert.len >> 8 ) & 0xff;
buf[7] = entry->derCert.len & 0xff;
buf[8] = ( nnlen >> 8 ) & 0xff;
buf[9] = nnlen & 0xff;
PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN], entry->derCert.data,
entry->derCert.len);
PORT_Memcpy(&buf[DB_CERT_ENTRY_HEADER_LEN + entry->derCert.len],
nn, nnlen);
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* encode a database key for a cert record
*/
static SECStatus
EncodeDBCertKey(SECItem *certKey, PRArenaPool *arena, SECItem *dbkey)
{
dbkey->len = certKey->len + SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN],
certKey->data, certKey->len);
dbkey->data[0] = certDBEntryTypeCert;
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
EncodeDBGenericKey(SECItem *certKey, PRArenaPool *arena, SECItem *dbkey,
certDBEntryType entryType)
{
/*
* we only allow _one_ KRL key!
*/
if (entryType == certDBEntryTypeKeyRevocation) {
dbkey->len = SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
dbkey->data[0] = (unsigned char) entryType;
return(SECSuccess);
}
dbkey->len = certKey->len + SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN],
certKey->data, certKey->len);
dbkey->data[0] = (unsigned char) entryType;
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
DecodeDBCertEntry(certDBEntryCert *entry, SECItem *dbentry)
{
unsigned int nnlen;
int headerlen;
int lenoff;
/* allow updates of old versions of the database */
switch ( entry->common.version ) {
case 5:
headerlen = DB_CERT_V5_ENTRY_HEADER_LEN;
lenoff = 3;
break;
case 6:
/* should not get here */
PORT_Assert(0);
headerlen = DB_CERT_V6_ENTRY_HEADER_LEN;
lenoff = 3;
break;
case 7:
headerlen = DB_CERT_ENTRY_HEADER_LEN;
lenoff = 6;
break;
default:
/* better not get here */
PORT_Assert(0);
headerlen = DB_CERT_V5_ENTRY_HEADER_LEN;
lenoff = 3;
break;
}
/* is record long enough for header? */
if ( dbentry->len < headerlen ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* is database entry correct length? */
entry->derCert.len = ( ( dbentry->data[lenoff] << 8 ) |
dbentry->data[lenoff+1] );
nnlen = ( ( dbentry->data[lenoff+2] << 8 ) | dbentry->data[lenoff+3] );
if ( ( entry->derCert.len + nnlen + headerlen )
!= dbentry->len) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* copy the dercert */
entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->derCert.len);
if ( entry->derCert.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->derCert.data, &dbentry->data[headerlen],
entry->derCert.len);
/* copy the nickname */
if ( nnlen > 1 ) {
entry->nickname = (char *)PORT_ArenaAlloc(entry->common.arena, nnlen);
if ( entry->nickname == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->nickname,
&dbentry->data[headerlen +
entry->derCert.len],
nnlen);
} else {
entry->nickname = NULL;
}
if ( entry->common.version < 7 ) {
/* allow updates of v5 db */
entry->trust.sslFlags = dbentry->data[0];
entry->trust.emailFlags = dbentry->data[1];
entry->trust.objectSigningFlags = dbentry->data[2];
} else {
entry->trust.sslFlags = ( dbentry->data[0] << 8 ) | dbentry->data[1];
entry->trust.emailFlags = ( dbentry->data[2] << 8 ) | dbentry->data[3];
entry->trust.objectSigningFlags =
( dbentry->data[4] << 8 ) | dbentry->data[5];
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Create a new certDBEntryCert from existing data
*/
static certDBEntryCert *
NewDBCertEntry(SECItem *derCert, char *nickname,
CERTCertTrust *trust, int flags)
{
certDBEntryCert *entry;
PRArenaPool *arena = NULL;
int nnlen;
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE );
if ( !arena ) {
goto loser;
}
entry = (certDBEntryCert *)PORT_ArenaZAlloc(arena, sizeof(certDBEntryCert));
if ( entry == NULL ) {
goto loser;
}
/* fill in the dbCert */
entry->common.arena = arena;
entry->common.type = certDBEntryTypeCert;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
if ( trust ) {
entry->trust = *trust;
}
entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, derCert->len);
if ( !entry->derCert.data ) {
goto loser;
}
entry->derCert.len = derCert->len;
PORT_Memcpy(entry->derCert.data, derCert->data, derCert->len);
nnlen = ( nickname ? strlen(nickname) + 1 : 0 );
if ( nnlen ) {
entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
if ( !entry->nickname ) {
goto loser;
}
PORT_Memcpy(entry->nickname, nickname, nnlen);
} else {
entry->nickname = 0;
}
return(entry);
loser:
/* allocation error, free arena and return */
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
PORT_SetError(SEC_ERROR_NO_MEMORY);
return(0);
}
/*
* Decode a version 4 DBCert from the byte stream database format
* and construct a current database entry struct
*/
static certDBEntryCert *
DecodeV4DBCertEntry(unsigned char *buf, int len)
{
certDBEntryCert *entry;
int certlen;
int nnlen;
PRArenaPool *arena;
/* make sure length is at least long enough for the header */
if ( len < DBCERT_V4_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
return(0);
}
/* get other lengths */
certlen = buf[3] << 8 | buf[4];
nnlen = buf[5] << 8 | buf[6];
/* make sure DB entry is the right size */
if ( ( certlen + nnlen + DBCERT_V4_HEADER_LEN ) != len ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
return(0);
}
/* allocate arena */
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE );
if ( !arena ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
return(0);
}
/* allocate structure and members */
entry = (certDBEntryCert *) PORT_ArenaAlloc(arena, sizeof(certDBEntryCert));
if ( !entry ) {
goto loser;
}
entry->derCert.data = (unsigned char *)PORT_ArenaAlloc(arena, certlen);
if ( !entry->derCert.data ) {
goto loser;
}
entry->derCert.len = certlen;
if ( nnlen ) {
entry->nickname = (char *) PORT_ArenaAlloc(arena, nnlen);
if ( !entry->nickname ) {
goto loser;
}
} else {
entry->nickname = 0;
}
entry->common.arena = arena;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.type = certDBEntryTypeCert;
entry->common.flags = 0;
entry->trust.sslFlags = buf[0];
entry->trust.emailFlags = buf[1];
entry->trust.objectSigningFlags = buf[2];
PORT_Memcpy(entry->derCert.data, &buf[DBCERT_V4_HEADER_LEN], certlen);
PORT_Memcpy(entry->nickname, &buf[DBCERT_V4_HEADER_LEN + certlen], nnlen);
if (PORT_Strcmp(entry->nickname,"Server-Cert") == 0) {
entry->trust.sslFlags |= CERTDB_USER;
}
return(entry);
loser:
PORT_FreeArena(arena, PR_FALSE);
PORT_SetError(SEC_ERROR_NO_MEMORY);
return(0);
}
/*
* Encode a Certificate database entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBCertEntry(CERTCertDBHandle *handle, certDBEntryCert *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECItem tmpitem;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
rv = EncodeDBCertEntry(entry, tmparena, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
/* get the database key and format it */
rv = CERT_KeyFromDERCert(tmparena, &entry->derCert, &tmpitem);
if ( rv == SECFailure ) {
goto loser;
}
rv = EncodeDBCertKey(&tmpitem, tmparena, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* delete a certificate entry
*/
static SECStatus
DeleteDBCertEntry(CERTCertDBHandle *handle, SECItem *certKey)
{
SECItem dbkey;
PRArenaPool *arena = NULL;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBCertKey(certKey, arena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = DeleteDBEntry(handle, certDBEntryTypeCert, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Read a certificate entry
*/
static certDBEntryCert *
ReadDBCertEntry(CERTCertDBHandle *handle, SECItem *certKey)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntryCert *entry;
SECItem dbkey;
SECItem dbentry;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryCert *)PORT_ArenaAlloc(arena, sizeof(certDBEntryCert));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeCert;
rv = EncodeDBCertKey(certKey, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( rv == SECFailure ) {
goto loser;
}
rv = DecodeDBCertEntry(entry, &dbentry);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* encode a database cert record
*/
static SECStatus
EncodeDBCrlEntry(certDBEntryRevocation *entry, PRArenaPool *arena, SECItem *dbitem)
{
unsigned int nnlen = 0;
unsigned char *buf;
if (entry->url) {
nnlen = PORT_Strlen(entry->url) + 1;
}
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem->len = entry->derCrl.len + nnlen
+ SEC_DB_ENTRY_HEADER_LEN + DB_CRL_ENTRY_HEADER_LEN;
dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
if ( dbitem->data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* fill in database record */
buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
buf[0] = ( entry->derCrl.len >> 8 ) & 0xff;
buf[1] = entry->derCrl.len & 0xff;
buf[2] = ( nnlen >> 8 ) & 0xff;
buf[3] = nnlen & 0xff;
PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN], entry->derCrl.data,
entry->derCrl.len);
if (nnlen != 0) {
PORT_Memcpy(&buf[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len],
entry->url, nnlen);
}
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
DecodeDBCrlEntry(certDBEntryRevocation *entry, SECItem *dbentry)
{
unsigned int nnlen;
/* is record long enough for header? */
if ( dbentry->len < DB_CRL_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* is database entry correct length? */
entry->derCrl.len = ( ( dbentry->data[0] << 8 ) | dbentry->data[1] );
nnlen = ( ( dbentry->data[2] << 8 ) | dbentry->data[3] );
if ( ( entry->derCrl.len + nnlen + DB_CRL_ENTRY_HEADER_LEN )
!= dbentry->len) {
/* CRL entry is greater than 64 K. Hack to make this continue to work */
if (dbentry->len >= (0xffff - DB_CRL_ENTRY_HEADER_LEN) - nnlen) {
entry->derCrl.len =
(dbentry->len - DB_CRL_ENTRY_HEADER_LEN) - nnlen;
} else {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
}
/* copy the dercert */
entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->derCrl.len);
if ( entry->derCrl.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->derCrl.data, &dbentry->data[DB_CRL_ENTRY_HEADER_LEN],
entry->derCrl.len);
/* copy the url */
entry->url = NULL;
if (nnlen != 0) {
entry->url = (char *)PORT_ArenaAlloc(entry->common.arena, nnlen);
if ( entry->url == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->url,
&dbentry->data[DB_CRL_ENTRY_HEADER_LEN + entry->derCrl.len],
nnlen);
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Create a new certDBEntryRevocation from existing data
*/
static certDBEntryRevocation *
NewDBCrlEntry(SECItem *derCrl, char * url, certDBEntryType crlType, int flags)
{
certDBEntryRevocation *entry;
PRArenaPool *arena = NULL;
int nnlen;
arena = PORT_NewArena( DER_DEFAULT_CHUNKSIZE );
if ( !arena ) {
goto loser;
}
entry = (certDBEntryRevocation*)
PORT_ArenaZAlloc(arena, sizeof(certDBEntryRevocation));
if ( entry == NULL ) {
goto loser;
}
/* fill in the dbRevolcation */
entry->common.arena = arena;
entry->common.type = crlType;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
entry->derCrl.data = (unsigned char *)PORT_ArenaAlloc(arena, derCrl->len);
if ( !entry->derCrl.data ) {
goto loser;
}
if (url) {
nnlen = PORT_Strlen(url) + 1;
entry->url = (char *)PORT_ArenaAlloc(arena, nnlen);
if ( !entry->url ) {
goto loser;
}
PORT_Memcpy(entry->url, url, nnlen);
} else {
entry->url = NULL;
}
entry->derCrl.len = derCrl->len;
PORT_Memcpy(entry->derCrl.data, derCrl->data, derCrl->len);
return(entry);
loser:
/* allocation error, free arena and return */
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
PORT_SetError(SEC_ERROR_NO_MEMORY);
return(0);
}
static SECStatus
WriteDBCrlEntry(CERTCertDBHandle *handle, certDBEntryRevocation *entry )
{
SECItem dbkey;
PRArenaPool *tmparena = NULL;
SECItem tmpitem,encodedEntry;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
/* get the database key and format it */
rv = CERT_KeyFromDERCrl(tmparena, &entry->derCrl, &tmpitem);
if ( rv == SECFailure ) {
goto loser;
}
rv = EncodeDBCrlEntry(entry, tmparena, &encodedEntry);
if ( rv == SECFailure ) {
goto loser;
}
rv = EncodeDBGenericKey(&tmpitem, tmparena, &dbkey, entry->common.type);
if ( rv == SECFailure ) {
goto loser;
}
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &encodedEntry);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* delete a crl entry
*/
static SECStatus
DeleteDBCrlEntry(CERTCertDBHandle *handle, SECItem *crlKey,
certDBEntryType crlType)
{
SECItem dbkey;
PRArenaPool *arena = NULL;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBGenericKey(crlKey, arena, &dbkey, crlType);
if ( rv != SECSuccess ) {
goto loser;
}
rv = DeleteDBEntry(handle, crlType, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Read a certificate entry
*/
static certDBEntryRevocation *
ReadDBCrlEntry(CERTCertDBHandle *handle, SECItem *certKey,
certDBEntryType crlType)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntryRevocation *entry;
SECItem dbkey;
SECItem dbentry;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryRevocation *)
PORT_ArenaAlloc(arena, sizeof(certDBEntryRevocation));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = crlType;
rv = EncodeDBGenericKey(certKey, tmparena, &dbkey, crlType);
if ( rv != SECSuccess ) {
goto loser;
}
rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( rv == SECFailure ) {
goto loser;
}
rv = DecodeDBCrlEntry(entry, &dbentry);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* destroy a database entry
*/
static void
DestroyDBEntry(certDBEntry *entry)
{
PRArenaPool *arena = entry->common.arena;
/* Zero out the entry struct, so that any further attempts to use it
* will cause an exception (e.g. null pointer reference). */
PORT_Memset(&entry->common, 0, sizeof entry->common);
PORT_FreeArena(arena, PR_FALSE);
return;
}
/*
* Encode a database nickname record
*/
static SECStatus
EncodeDBNicknameEntry(certDBEntryNickname *entry, PRArenaPool *arena,
SECItem *dbitem)
{
unsigned char *buf;
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem->len = entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN +
SEC_DB_ENTRY_HEADER_LEN;
dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
if ( dbitem->data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* fill in database record */
buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
buf[0] = ( entry->subjectName.len >> 8 ) & 0xff;
buf[1] = entry->subjectName.len & 0xff;
PORT_Memcpy(&buf[DB_NICKNAME_ENTRY_HEADER_LEN], entry->subjectName.data,
entry->subjectName.len);
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Encode a database key for a nickname record
*/
static SECStatus
EncodeDBNicknameKey(char *nickname, PRArenaPool *arena,
SECItem *dbkey)
{
unsigned int nnlen;
nnlen = PORT_Strlen(nickname) + 1; /* includes null */
/* now get the database key and format it */
dbkey->len = nnlen + SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], nickname, nnlen);
dbkey->data[0] = certDBEntryTypeNickname;
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
DecodeDBNicknameEntry(certDBEntryNickname *entry, SECItem *dbentry,
char *nickname)
{
/* is record long enough for header? */
if ( dbentry->len < DB_NICKNAME_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* is database entry correct length? */
entry->subjectName.len = ( ( dbentry->data[0] << 8 ) | dbentry->data[1] );
if (( entry->subjectName.len + DB_NICKNAME_ENTRY_HEADER_LEN ) !=
dbentry->len ){
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* copy the certkey */
entry->subjectName.data =
(unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->subjectName.len);
if ( entry->subjectName.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->subjectName.data,
&dbentry->data[DB_NICKNAME_ENTRY_HEADER_LEN],
entry->subjectName.len);
entry->nickname = (char *)PORT_ArenaAlloc(entry->common.arena,
PORT_Strlen(nickname)+1);
if ( entry->nickname ) {
PORT_Strcpy(entry->nickname, nickname);
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* create a new nickname entry
*/
static certDBEntryNickname *
NewDBNicknameEntry(char *nickname, SECItem *subjectName, unsigned int flags)
{
PRArenaPool *arena = NULL;
certDBEntryNickname *entry;
int nnlen;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena,
sizeof(certDBEntryNickname));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* init common fields */
entry->common.arena = arena;
entry->common.type = certDBEntryTypeNickname;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
/* copy the nickname */
nnlen = PORT_Strlen(nickname) + 1;
entry->nickname = (char*)PORT_ArenaAlloc(arena, nnlen);
if ( entry->nickname == NULL ) {
goto loser;
}
PORT_Memcpy(entry->nickname, nickname, nnlen);
rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName);
if ( rv != SECSuccess ) {
goto loser;
}
return(entry);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* delete a nickname entry
*/
static SECStatus
DeleteDBNicknameEntry(CERTCertDBHandle *handle, char *nickname)
{
PRArenaPool *arena = NULL;
SECStatus rv;
SECItem dbkey;
if ( nickname == NULL ) {
return(SECSuccess);
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBNicknameKey(nickname, arena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = DeleteDBEntry(handle, certDBEntryTypeNickname, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Read a nickname entry
*/
static certDBEntryNickname *
ReadDBNicknameEntry(CERTCertDBHandle *handle, char *nickname)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntryNickname *entry;
SECItem dbkey;
SECItem dbentry;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryNickname *)PORT_ArenaAlloc(arena,
sizeof(certDBEntryNickname));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeNickname;
rv = EncodeDBNicknameKey(nickname, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( rv == SECFailure ) {
goto loser;
}
/* is record long enough for header? */
if ( dbentry.len < DB_NICKNAME_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
rv = DecodeDBNicknameEntry(entry, &dbentry, nickname);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Encode a nickname entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBNicknameEntry(CERTCertDBHandle *handle, certDBEntryNickname *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
rv = EncodeDBNicknameEntry(entry, tmparena, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
rv = EncodeDBNicknameKey(entry->nickname, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* Encode a database smime record
*/
static SECStatus
EncodeDBSMimeEntry(certDBEntrySMime *entry, PRArenaPool *arena,
SECItem *dbitem)
{
unsigned char *buf;
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem->len = entry->subjectName.len + entry->smimeOptions.len +
entry->optionsDate.len +
DB_SMIME_ENTRY_HEADER_LEN + SEC_DB_ENTRY_HEADER_LEN;
dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
if ( dbitem->data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* fill in database record */
buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
buf[0] = ( entry->subjectName.len >> 8 ) & 0xff;
buf[1] = entry->subjectName.len & 0xff;
buf[2] = ( entry->smimeOptions.len >> 8 ) & 0xff;
buf[3] = entry->smimeOptions.len & 0xff;
buf[4] = ( entry->optionsDate.len >> 8 ) & 0xff;
buf[5] = entry->optionsDate.len & 0xff;
/* if no smime options, then there should not be an options date either */
PORT_Assert( ! ( ( entry->smimeOptions.len == 0 ) &&
( entry->optionsDate.len != 0 ) ) );
PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN], entry->subjectName.data,
entry->subjectName.len);
if ( entry->smimeOptions.len ) {
PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN+entry->subjectName.len],
entry->smimeOptions.data,
entry->smimeOptions.len);
PORT_Memcpy(&buf[DB_SMIME_ENTRY_HEADER_LEN + entry->subjectName.len +
entry->smimeOptions.len],
entry->optionsDate.data,
entry->optionsDate.len);
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Encode a database key for a SMIME record
*/
static SECStatus
EncodeDBSMimeKey(char *emailAddr, PRArenaPool *arena,
SECItem *dbkey)
{
unsigned int addrlen;
addrlen = PORT_Strlen(emailAddr) + 1; /* includes null */
/* now get the database key and format it */
dbkey->len = addrlen + SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], emailAddr, addrlen);
dbkey->data[0] = certDBEntryTypeSMimeProfile;
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Decode a database SMIME record
*/
static SECStatus
DecodeDBSMimeEntry(certDBEntrySMime *entry, SECItem *dbentry, char *emailAddr)
{
/* is record long enough for header? */
if ( dbentry->len < DB_SMIME_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* is database entry correct length? */
entry->subjectName.len = ( ( dbentry->data[0] << 8 ) | dbentry->data[1] );
entry->smimeOptions.len = ( ( dbentry->data[2] << 8 ) | dbentry->data[3] );
entry->optionsDate.len = ( ( dbentry->data[4] << 8 ) | dbentry->data[5] );
if (( entry->subjectName.len + entry->smimeOptions.len +
entry->optionsDate.len + DB_SMIME_ENTRY_HEADER_LEN ) != dbentry->len){
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* copy the subject name */
entry->subjectName.data =
(unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->subjectName.len);
if ( entry->subjectName.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->subjectName.data,
&dbentry->data[DB_SMIME_ENTRY_HEADER_LEN],
entry->subjectName.len);
/* copy the smime options */
if ( entry->smimeOptions.len ) {
entry->smimeOptions.data =
(unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->smimeOptions.len);
if ( entry->smimeOptions.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->smimeOptions.data,
&dbentry->data[DB_SMIME_ENTRY_HEADER_LEN +
entry->subjectName.len],
entry->smimeOptions.len);
}
if ( entry->optionsDate.len ) {
entry->optionsDate.data =
(unsigned char *)PORT_ArenaAlloc(entry->common.arena,
entry->optionsDate.len);
if ( entry->optionsDate.data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->optionsDate.data,
&dbentry->data[DB_SMIME_ENTRY_HEADER_LEN +
entry->subjectName.len +
entry->smimeOptions.len],
entry->optionsDate.len);
}
/* both options and options date must either exist or not exist */
if ( ( ( entry->optionsDate.len == 0 ) ||
( entry->smimeOptions.len == 0 ) ) &&
entry->smimeOptions.len != entry->optionsDate.len ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
entry->emailAddr = (char *)PORT_Alloc(PORT_Strlen(emailAddr)+1);
if ( entry->emailAddr ) {
PORT_Strcpy(entry->emailAddr, emailAddr);
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* create a new SMIME entry
*/
static certDBEntrySMime *
NewDBSMimeEntry(char *emailAddr, SECItem *subjectName, SECItem *smimeOptions,
SECItem *optionsDate, unsigned int flags)
{
PRArenaPool *arena = NULL;
certDBEntrySMime *entry;
int addrlen;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena,
sizeof(certDBEntrySMime));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* init common fields */
entry->common.arena = arena;
entry->common.type = certDBEntryTypeSMimeProfile;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
/* copy the email addr */
addrlen = PORT_Strlen(emailAddr) + 1;
entry->emailAddr = (char*)PORT_ArenaAlloc(arena, addrlen);
if ( entry->emailAddr == NULL ) {
goto loser;
}
PORT_Memcpy(entry->emailAddr, emailAddr, addrlen);
/* copy the subject name */
rv = SECITEM_CopyItem(arena, &entry->subjectName, subjectName);
if ( rv != SECSuccess ) {
goto loser;
}
/* copy the smime options */
if ( smimeOptions ) {
rv = SECITEM_CopyItem(arena, &entry->smimeOptions, smimeOptions);
if ( rv != SECSuccess ) {
goto loser;
}
} else {
PORT_Assert(optionsDate == NULL);
entry->smimeOptions.data = NULL;
entry->smimeOptions.len = 0;
}
/* copy the options date */
if ( optionsDate ) {
rv = SECITEM_CopyItem(arena, &entry->optionsDate, optionsDate);
if ( rv != SECSuccess ) {
goto loser;
}
} else {
PORT_Assert(smimeOptions == NULL);
entry->optionsDate.data = NULL;
entry->optionsDate.len = 0;
}
return(entry);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* delete a SMIME entry
*/
static SECStatus
DeleteDBSMimeEntry(CERTCertDBHandle *handle, char *emailAddr)
{
PRArenaPool *arena = NULL;
SECStatus rv;
SECItem dbkey;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBSMimeKey(emailAddr, arena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = DeleteDBEntry(handle, certDBEntryTypeSMimeProfile, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Read a SMIME entry
*/
static certDBEntrySMime *
ReadDBSMimeEntry(CERTCertDBHandle *handle, char *emailAddr)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntrySMime *entry;
SECItem dbkey;
SECItem dbentry;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntrySMime *)PORT_ArenaAlloc(arena,
sizeof(certDBEntrySMime));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeSMimeProfile;
rv = EncodeDBSMimeKey(emailAddr, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( rv == SECFailure ) {
goto loser;
}
/* is record long enough for header? */
if ( dbentry.len < DB_SMIME_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
rv = DecodeDBSMimeEntry(entry, &dbentry, emailAddr);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Encode a SMIME entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBSMimeEntry(CERTCertDBHandle *handle, certDBEntrySMime *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
rv = EncodeDBSMimeEntry(entry, tmparena, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
rv = EncodeDBSMimeKey(entry->emailAddr, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* Encode a database subject record
*/
static SECStatus
EncodeDBSubjectEntry(certDBEntrySubject *entry, PRArenaPool *arena,
SECItem *dbitem)
{
unsigned char *buf;
int len;
unsigned int ncerts;
unsigned int i;
unsigned char *tmpbuf;
unsigned int nnlen = 0;
unsigned int eaddrlen = 0;
int keyidoff;
SECItem *certKeys;
SECItem *keyIDs;
if ( entry->nickname ) {
nnlen = PORT_Strlen(entry->nickname) + 1;
}
if ( entry->emailAddr ) {
eaddrlen = PORT_Strlen(entry->emailAddr) + 1;
}
ncerts = entry->ncerts;
/* compute the length of the entry */
keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen + eaddrlen;
len = keyidoff + 4 * ncerts;
for ( i = 0; i < ncerts; i++ ) {
len += entry->certKeys[i].len;
len += entry->keyIDs[i].len;
}
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem->len = len + SEC_DB_ENTRY_HEADER_LEN;
dbitem->data = (unsigned char *)PORT_ArenaAlloc(arena, dbitem->len);
if ( dbitem->data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* fill in database record */
buf = &dbitem->data[SEC_DB_ENTRY_HEADER_LEN];
buf[0] = ( ncerts >> 8 ) & 0xff;
buf[1] = ncerts & 0xff;
buf[2] = ( nnlen >> 8 ) & 0xff;
buf[3] = nnlen & 0xff;
buf[4] = ( eaddrlen >> 8 ) & 0xff;
buf[5] = eaddrlen & 0xff;
PORT_Memcpy(&buf[DB_SUBJECT_ENTRY_HEADER_LEN], entry->nickname, nnlen);
PORT_Memcpy(&buf[DB_SUBJECT_ENTRY_HEADER_LEN+nnlen], entry->emailAddr,
eaddrlen);
for ( i = 0; i < ncerts; i++ ) {
certKeys = entry->certKeys;
keyIDs = entry->keyIDs;
buf[keyidoff+i*2] = ( certKeys[i].len >> 8 ) & 0xff;
buf[keyidoff+1+i*2] = certKeys[i].len & 0xff;
buf[keyidoff+ncerts*2+i*2] = ( keyIDs[i].len >> 8 ) & 0xff;
buf[keyidoff+1+ncerts*2+i*2] = keyIDs[i].len & 0xff;
}
/* temp pointer used to stuff certkeys and keyids into the buffer */
tmpbuf = &buf[keyidoff+ncerts*4];
for ( i = 0; i < ncerts; i++ ) {
certKeys = entry->certKeys;
PORT_Memcpy(tmpbuf, certKeys[i].data, certKeys[i].len);
tmpbuf = tmpbuf + certKeys[i].len;
}
for ( i = 0; i < ncerts; i++ ) {
keyIDs = entry->keyIDs;
PORT_Memcpy(tmpbuf, keyIDs[i].data, keyIDs[i].len);
tmpbuf = tmpbuf + keyIDs[i].len;
}
PORT_Assert(tmpbuf == &buf[len]);
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Encode a database key for a subject record
*/
static SECStatus
EncodeDBSubjectKey(SECItem *derSubject, PRArenaPool *arena,
SECItem *dbkey)
{
dbkey->len = derSubject->len + SEC_DB_KEY_HEADER_LEN;
dbkey->data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey->len);
if ( dbkey->data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey->data[SEC_DB_KEY_HEADER_LEN], derSubject->data,
derSubject->len);
dbkey->data[0] = certDBEntryTypeSubject;
return(SECSuccess);
loser:
return(SECFailure);
}
static SECStatus
DecodeDBSubjectEntry(certDBEntrySubject *entry, SECItem *dbentry,
SECItem *derSubject)
{
unsigned int ncerts;
PRArenaPool *arena;
unsigned int len, itemlen;
unsigned char *tmpbuf;
unsigned int i;
SECStatus rv;
unsigned int keyidoff;
unsigned int nnlen, eaddrlen;
arena = entry->common.arena;
rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject);
if ( rv != SECSuccess ) {
goto loser;
}
/* is record long enough for header? */
if ( dbentry->len < DB_SUBJECT_ENTRY_HEADER_LEN ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
entry->ncerts = ncerts = ( ( dbentry->data[0] << 8 ) | dbentry->data[1] );
nnlen = ( ( dbentry->data[2] << 8 ) | dbentry->data[3] );
eaddrlen = ( ( dbentry->data[4] << 8 ) | dbentry->data[5] );
if ( dbentry->len < ( ncerts * 4 + DB_SUBJECT_ENTRY_HEADER_LEN +
nnlen + eaddrlen) ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
entry->certKeys = (SECItem *)PORT_ArenaAlloc(arena,
sizeof(SECItem) * ncerts);
entry->keyIDs = (SECItem *)PORT_ArenaAlloc(arena,
sizeof(SECItem) * ncerts);
if ( ( entry->certKeys == NULL ) || ( entry->keyIDs == NULL ) ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
if ( nnlen > 1 ) { /* null terminator is stored */
entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
if ( entry->nickname == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->nickname,
&dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN],
nnlen);
} else {
entry->nickname = NULL;
}
if ( eaddrlen > 1 ) { /* null terminator is stored */
entry->emailAddr = (char *)PORT_ArenaAlloc(arena, eaddrlen);
if ( entry->emailAddr == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->emailAddr,
&dbentry->data[DB_SUBJECT_ENTRY_HEADER_LEN+nnlen],
eaddrlen);
} else {
entry->emailAddr = NULL;
}
/* collect the lengths of the certKeys and keyIDs, and total the
* overall length.
*/
keyidoff = DB_SUBJECT_ENTRY_HEADER_LEN + nnlen + eaddrlen;
len = keyidoff + 4 * ncerts;
tmpbuf = &dbentry->data[0];
for ( i = 0; i < ncerts; i++ ) {
itemlen = ( tmpbuf[keyidoff + 2*i] << 8 ) | tmpbuf[keyidoff + 1 + 2*i] ;
len += itemlen;
entry->certKeys[i].len = itemlen;
itemlen = ( tmpbuf[keyidoff + 2*ncerts + 2*i] << 8 ) |
tmpbuf[keyidoff + 1 + 2*ncerts + 2*i] ;
len += itemlen;
entry->keyIDs[i].len = itemlen;
}
/* is database entry correct length? */
if ( len != dbentry->len ){
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
tmpbuf = &tmpbuf[keyidoff + 4*ncerts];
for ( i = 0; i < ncerts; i++ ) {
entry->certKeys[i].data =
(unsigned char *)PORT_ArenaAlloc(arena, entry->certKeys[i].len);
if ( entry->certKeys[i].data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->certKeys[i].data, tmpbuf, entry->certKeys[i].len);
tmpbuf = &tmpbuf[entry->certKeys[i].len];
}
for ( i = 0; i < ncerts; i++ ) {
entry->keyIDs[i].data =
(unsigned char *)PORT_ArenaAlloc(arena, entry->keyIDs[i].len);
if ( entry->keyIDs[i].data == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
PORT_Memcpy(entry->keyIDs[i].data, tmpbuf, entry->keyIDs[i].len);
tmpbuf = &tmpbuf[entry->keyIDs[i].len];
}
PORT_Assert(tmpbuf == &dbentry->data[dbentry->len]);
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* create a new subject entry with a single cert
*/
static certDBEntrySubject *
NewDBSubjectEntry(SECItem *derSubject, SECItem *certKey,
SECItem *keyID, char *nickname, char *emailAddr,
unsigned int flags)
{
PRArenaPool *arena = NULL;
certDBEntrySubject *entry;
SECStatus rv;
unsigned int nnlen;
unsigned int eaddrlen;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena,
sizeof(certDBEntrySubject));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* init common fields */
entry->common.arena = arena;
entry->common.type = certDBEntryTypeSubject;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
/* copy the subject */
rv = SECITEM_CopyItem(arena, &entry->derSubject, derSubject);
if ( rv != SECSuccess ) {
goto loser;
}
entry->ncerts = 1;
/* copy nickname */
if ( nickname && ( *nickname != '\0' ) ) {
nnlen = PORT_Strlen(nickname) + 1;
entry->nickname = (char *)PORT_ArenaAlloc(arena, nnlen);
if ( entry->nickname == NULL ) {
goto loser;
}
PORT_Memcpy(entry->nickname, nickname, nnlen);
} else {
entry->nickname = NULL;
}
/* copy email addr */
if ( emailAddr && ( *emailAddr != '\0' ) ) {
emailAddr = CERT_FixupEmailAddr(emailAddr);
if ( emailAddr == NULL ) {
entry->emailAddr = NULL;
goto loser;
}
eaddrlen = PORT_Strlen(emailAddr) + 1;
entry->emailAddr = (char *)PORT_ArenaAlloc(arena, eaddrlen);
if ( entry->emailAddr == NULL ) {
PORT_Free(emailAddr);
goto loser;
}
PORT_Memcpy(entry->emailAddr, emailAddr, eaddrlen);
PORT_Free(emailAddr);
} else {
entry->emailAddr = NULL;
}
/* allocate space for certKeys and keyIDs */
entry->certKeys = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem));
entry->keyIDs = (SECItem *)PORT_ArenaAlloc(arena, sizeof(SECItem));
if ( ( entry->certKeys == NULL ) || ( entry->keyIDs == NULL ) ) {
goto loser;
}
/* copy the certKey and keyID */
rv = SECITEM_CopyItem(arena, &entry->certKeys[0], certKey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = SECITEM_CopyItem(arena, &entry->keyIDs[0], keyID);
if ( rv != SECSuccess ) {
goto loser;
}
return(entry);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* delete a subject entry
*/
static SECStatus
DeleteDBSubjectEntry(CERTCertDBHandle *handle, SECItem *derSubject)
{
SECItem dbkey;
PRArenaPool *arena = NULL;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBSubjectKey(derSubject, arena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = DeleteDBEntry(handle, certDBEntryTypeSubject, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Read the subject entry
*/
static certDBEntrySubject *
ReadDBSubjectEntry(CERTCertDBHandle *handle, SECItem *derSubject)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntrySubject *entry;
SECItem dbkey;
SECItem dbentry;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntrySubject *)PORT_ArenaAlloc(arena,
sizeof(certDBEntrySubject));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeSubject;
rv = EncodeDBSubjectKey(derSubject, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( rv == SECFailure ) {
goto loser;
}
rv = DecodeDBSubjectEntry(entry, &dbentry, derSubject);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Encode a subject name entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBSubjectEntry(CERTCertDBHandle *handle, certDBEntrySubject *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
rv = EncodeDBSubjectEntry(entry, tmparena, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
rv = EncodeDBSubjectKey(&entry->derSubject, tmparena, &dbkey);
if ( rv != SECSuccess ) {
goto loser;
}
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
static SECStatus
UpdateSubjectWithEmailAddr(CERTCertificate *cert, char *emailAddr)
{
CERTSubjectList *subjectList;
PRBool save = PR_FALSE, delold = PR_FALSE;
certDBEntrySubject *entry;
SECStatus rv;
emailAddr = CERT_FixupEmailAddr(emailAddr);
if ( emailAddr == NULL ) {
return(SECFailure);
}
subjectList = cert->subjectList;
PORT_Assert(subjectList != NULL);
if ( subjectList->emailAddr ) {
if ( PORT_Strcmp(subjectList->emailAddr, emailAddr) != 0 ) {
save = PR_TRUE;
delold = PR_TRUE;
}
} else {
save = PR_TRUE;
}
if ( delold ) {
/* delete the old smime entry, because this cert now has a new
* smime entry pointing to it
*/
PORT_Assert(save);
PORT_Assert(subjectList->emailAddr != NULL);
DeleteDBSMimeEntry(cert->dbhandle, subjectList->emailAddr);
}
if ( save ) {
unsigned int len;
entry = subjectList->entry;
PORT_Assert(entry != NULL);
len = PORT_Strlen(emailAddr) + 1;
entry->emailAddr = (char *)PORT_ArenaAlloc(entry->common.arena, len);
if ( entry->emailAddr == NULL ) {
goto loser;
}
PORT_Memcpy(entry->emailAddr, emailAddr, len);
/* delete the subject entry */
DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
/* write the new one */
rv = WriteDBSubjectEntry(cert->dbhandle, entry);
if ( rv != SECSuccess ) {
goto loser;
}
}
PORT_Free(emailAddr);
return(SECSuccess);
loser:
PORT_Free(emailAddr);
return(SECFailure);
}
/*
* writes a nickname to an existing subject entry that does not currently
* have one
*/
static SECStatus
AddNicknameToSubject(CERTCertificate *cert, char *nickname)
{
CERTSubjectList *subjectList;
certDBEntrySubject *entry;
SECStatus rv;
if ( nickname == NULL ) {
return(SECFailure);
}
subjectList = cert->subjectList;
PORT_Assert(subjectList != NULL);
if ( subjectList == NULL ) {
goto loser;
}
entry = subjectList->entry;
PORT_Assert(entry != NULL);
if ( entry == NULL ) {
goto loser;
}
PORT_Assert(entry->nickname == NULL);
if ( entry->nickname != NULL ) {
goto loser;
}
entry->nickname = (nickname) ? PORT_ArenaStrdup(entry->common.arena, nickname) : NULL;
if ( entry->nickname == NULL ) {
goto loser;
}
/* delete the subject entry */
DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
/* write the new one */
rv = WriteDBSubjectEntry(cert->dbhandle, entry);
if ( rv != SECSuccess ) {
goto loser;
}
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* create a new version entry
*/
static certDBEntryVersion *
NewDBVersionEntry(unsigned int flags)
{
PRArenaPool *arena = NULL;
certDBEntryVersion *entry;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryVersion *)PORT_ArenaAlloc(arena,
sizeof(certDBEntryVersion));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeVersion;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
return(entry);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Read the version entry
*/
static certDBEntryVersion *
ReadDBVersionEntry(CERTCertDBHandle *handle)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntryVersion *entry;
SECItem dbkey;
SECItem dbentry;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryVersion *)PORT_ArenaAlloc(arena,
sizeof(certDBEntryVersion));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeVersion;
/* now get the database key and format it */
dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
if ( dbkey.data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY,
SEC_DB_VERSION_KEY_LEN);
ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Encode a version entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBVersionEntry(CERTCertDBHandle *handle, certDBEntryVersion *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem.len = SEC_DB_ENTRY_HEADER_LEN;
dbitem.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbitem.len);
if ( dbitem.data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* now get the database key and format it */
dbkey.len = SEC_DB_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
if ( dbkey.data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_VERSION_KEY,
SEC_DB_VERSION_KEY_LEN);
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* create a new version entry
*/
static certDBEntryContentVersion *
NewDBContentVersionEntry(unsigned int flags)
{
PRArenaPool *arena = NULL;
certDBEntryContentVersion *entry;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryContentVersion *)
PORT_ArenaAlloc(arena, sizeof(certDBEntryContentVersion));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeContentVersion;
entry->common.version = CERT_DB_FILE_VERSION;
entry->common.flags = flags;
entry->contentVersion = CERT_DB_CONTENT_VERSION;
return(entry);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Read the version entry
*/
static certDBEntryContentVersion *
ReadDBContentVersionEntry(CERTCertDBHandle *handle)
{
PRArenaPool *arena = NULL;
PRArenaPool *tmparena = NULL;
certDBEntryContentVersion *entry;
SECItem dbkey;
SECItem dbentry;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry = (certDBEntryContentVersion *)
PORT_ArenaAlloc(arena, sizeof(certDBEntryContentVersion));
if ( entry == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
entry->common.arena = arena;
entry->common.type = certDBEntryTypeContentVersion;
/* now get the database key and format it */
dbkey.len = SEC_DB_CONTENT_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
if ( dbkey.data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_CONTENT_VERSION_KEY,
SEC_DB_CONTENT_VERSION_KEY_LEN);
dbentry.len = 0;
dbentry.data = NULL;
ReadDBEntry(handle, &entry->common, &dbkey, &dbentry, tmparena);
if ( dbentry.len != 1 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
entry->contentVersion = dbentry.data[0];
PORT_FreeArena(tmparena, PR_FALSE);
return(entry);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(NULL);
}
/*
* Encode a version entry into byte stream suitable for
* the database
*/
static SECStatus
WriteDBContentVersionEntry(CERTCertDBHandle *handle,
certDBEntryContentVersion *entry)
{
SECItem dbitem, dbkey;
PRArenaPool *tmparena = NULL;
SECStatus rv;
tmparena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( tmparena == NULL ) {
goto loser;
}
/* allocate space for encoded database record, including space
* for low level header
*/
dbitem.len = SEC_DB_ENTRY_HEADER_LEN + 1;
dbitem.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbitem.len);
if ( dbitem.data == NULL) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
dbitem.data[SEC_DB_ENTRY_HEADER_LEN] = entry->contentVersion;
/* now get the database key and format it */
dbkey.len = SEC_DB_CONTENT_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
dbkey.data = (unsigned char *)PORT_ArenaAlloc(tmparena, dbkey.len);
if ( dbkey.data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_CONTENT_VERSION_KEY,
SEC_DB_CONTENT_VERSION_KEY_LEN);
/* now write it to the database */
rv = WriteDBEntry(handle, &entry->common, &dbkey, &dbitem);
if ( rv != SECSuccess ) {
goto loser;
}
PORT_FreeArena(tmparena, PR_FALSE);
return(SECSuccess);
loser:
if ( tmparena ) {
PORT_FreeArena(tmparena, PR_FALSE);
}
return(SECFailure);
}
/*
* delete a content version entry
*/
static SECStatus
DeleteDBContentVersionEntry(CERTCertDBHandle *handle)
{
SECItem dbkey;
PRArenaPool *arena = NULL;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
/* now get the database key and format it */
dbkey.len = SEC_DB_CONTENT_VERSION_KEY_LEN + SEC_DB_KEY_HEADER_LEN;
dbkey.data = (unsigned char *)PORT_ArenaAlloc(arena, dbkey.len);
if ( dbkey.data == NULL ) {
goto loser;
}
PORT_Memcpy(&dbkey.data[SEC_DB_KEY_HEADER_LEN], SEC_DB_CONTENT_VERSION_KEY,
SEC_DB_CONTENT_VERSION_KEY_LEN);
rv = DeleteDBEntry(handle, certDBEntryTypeContentVersion, &dbkey);
if ( rv == SECFailure ) {
goto loser;
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Routines and datastructures to manage the list of certificates for a
* particular subject name.
*/
/*
* Create a new certificate subject list. If entry exists, then populate
* the list with the entries from the permanent database.
*/
static CERTSubjectList *
NewSubjectList(certDBEntrySubject *entry)
{
PRArenaPool *permarena;
unsigned int i;
CERTSubjectList *subjectList;
CERTSubjectNode *node;
SECStatus rv;
permarena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( permarena == NULL ) {
goto loser;
}
subjectList = (CERTSubjectList *)PORT_ArenaAlloc(permarena,
sizeof(CERTSubjectList));
if ( subjectList == NULL ) {
goto loser;
}
subjectList->arena = permarena;
subjectList->ncerts = 0;
subjectList->head = NULL;
subjectList->tail = NULL;
subjectList->entry = entry;
subjectList->emailAddr = NULL;
if ( entry ) {
/* initialize the list with certs from database entry */
for ( i = 0; i < entry->ncerts; i++ ) {
/* Init the node */
node = (CERTSubjectNode *)PORT_ArenaAlloc(permarena,
sizeof(CERTSubjectNode));
if ( node == NULL ) {
goto loser;
}
/* copy certKey and keyID to node */
rv = SECITEM_CopyItem(permarena, &node->certKey,
&entry->certKeys[i]);
if ( rv != SECSuccess ) {
goto loser;
}
rv = SECITEM_CopyItem(permarena, &node->keyID,
&entry->keyIDs[i]);
if ( rv != SECSuccess ) {
goto loser;
}
/* the certs are already in order, so just add them
* to the tail.
*/
node->next = NULL;
if ( subjectList->tail == NULL ) {
/* first in list */
subjectList->head = node;
subjectList->tail = node;
node->prev = NULL;
} else {
/* add to end of list */
node->prev = subjectList->tail;
subjectList->tail = node;
node->prev->next = node;
}
subjectList->ncerts++;
}
}
return(subjectList);
loser:
PORT_FreeArena(permarena, PR_FALSE);
return(NULL);
}
/*
* Find the Subject entry in the temp database. It it is not in the
* temp database, then get it from the perm DB. It its not there either,
* then create a new one.
*/
static CERTSubjectList *
FindSubjectList(CERTCertDBHandle *handle, SECItem *subject, PRBool create)
{
PRArenaPool *arena = NULL;
SECItem keyitem;
SECStatus rv;
DBT namekey;
DBT tmpdata;
int ret;
CERTSubjectList *subjectList = NULL;
certDBEntrySubject *entry;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBSubjectKey(subject, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = keyitem.data;
namekey.size = keyitem.len;
/* lookup in the temporary database */
ret = certdb_Get(handle->tempCertDB, &namekey, &tmpdata, 0);
/* error accessing the database */
if ( ret < 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
if ( ret == 0 ) { /* found in temp database */
if ( tmpdata.size != sizeof(CERTCertificate *) ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
/* copy pointer out of database */
PORT_Memcpy(&subjectList, tmpdata.data, tmpdata.size);
} else { /* not found in temporary database */
entry = ReadDBSubjectEntry(handle, subject);
if ( entry || create ) {
/* decode or create new subject list */
subjectList = NewSubjectList(entry);
/* put it in the temp database */
if ( subjectList ) {
tmpdata.data = (unsigned char *)(&subjectList);
tmpdata.size = sizeof(subjectList);
ret = certdb_Put(handle->tempCertDB, &namekey,
&tmpdata, R_NOOVERWRITE);
if ( ret ) {
goto loser;
}
}
} else {
PORT_SetError(SEC_ERROR_UNKNOWN_CERT);
goto loser;
}
}
goto done;
loser:
subjectList = NULL;
done:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(subjectList);
}
/*
* Add a temp cert to the temp subject list
*/
static SECStatus
AddTempCertToSubjectList(CERTCertificate *cert)
{
CERTSubjectList *subjectList;
CERTSubjectNode *node, *newnode;
CERTCertificate *cmpcert;
PRBool newer;
SECStatus rv;
PORT_Assert(cert->isperm == PR_FALSE);
PORT_Assert(cert->subjectList == NULL);
subjectList = FindSubjectList(cert->dbhandle, &cert->derSubject, PR_TRUE);
if ( subjectList == NULL ) {
goto loser;
}
newnode = (CERTSubjectNode*)PORT_ArenaAlloc(subjectList->arena,
sizeof(CERTSubjectNode));
/* copy certKey and keyID to node */
rv = SECITEM_CopyItem(subjectList->arena, &newnode->certKey,
&cert->certKey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = SECITEM_CopyItem(subjectList->arena, &newnode->keyID,
&cert->subjectKeyID);
if ( rv != SECSuccess ) {
goto loser;
}
node = subjectList->head;
if ( node ) {
/* list is not empty */
while ( node ) {
cmpcert = CERT_FindCertByKeyNoLocking(cert->dbhandle,
&node->certKey);
if ( cmpcert ) {
newer = CERT_IsNewer(cert, cmpcert);
CERT_DestroyCertificateNoLocking(cmpcert);
if ( newer ) {
/* insert before this cert */
newnode->next = node;
newnode->prev = node->prev;
if ( newnode->prev ) {
newnode->prev->next = newnode;
} else {
/* at the head of the list */
subjectList->head = newnode;
}
node->prev = newnode;
goto done;
}
}
node = node->next;
}
/* if we get here, we add the node to the end of the list */
newnode->prev = subjectList->tail;
newnode->next = NULL;
subjectList->tail->next = newnode;
subjectList->tail = newnode;
} else {
/* this is a new/empty list */
newnode->next = NULL;
newnode->prev = NULL;
subjectList->head = newnode;
subjectList->tail = newnode;
}
done:
subjectList->ncerts++;
cert->subjectList = subjectList;
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* Find the node in a subjectList that belongs a cert
*/
static CERTSubjectNode *
FindCertSubjectNode(CERTCertificate *cert)
{
CERTSubjectList *subjectList;
CERTSubjectNode *node = NULL;
PORT_Assert(cert->subjectList);
subjectList = cert->subjectList;
if ( subjectList ) {
node = subjectList->head;
}
while ( node ) {
if ( SECITEM_CompareItem(&node->certKey, &cert->certKey) == SECEqual ){
return(node);
break;
}
node = node->next;
}
return(NULL);
}
/*
* Remove a temp cert from the temp subject list
*/
static SECStatus
RemoveTempCertFromSubjectList(CERTCertificate *cert)
{
CERTSubjectList *subjectList;
CERTSubjectNode *node;
SECItem keyitem;
DBT namekey;
SECStatus rv;
int ret;
CERTCertDBHandle *handle;
PORT_Assert(cert->subjectList);
/* don't remove perm certs */
if ( cert->isperm ) {
return(SECSuccess);
}
subjectList = cert->subjectList;
node = FindCertSubjectNode(cert);
if ( node ) {
/* found it, unlink it */
if ( node->next ) {
node->next->prev = node->prev;
} else {
/* removing from tail of list */
subjectList->tail = node->prev;
}
if ( node->prev ) {
node->prev->next = node->next;
} else {
/* removing from head of list */
subjectList->head = node->next;
}
subjectList->ncerts--;
/* dont need to free the node, because it is from subjectList
* arena.
*/
/* remove reference from cert */
cert->subjectList = NULL;
/* if the list is now empty, remove the list from the db and free it */
if ( subjectList->head == NULL ) {
PORT_Assert(subjectList->ncerts == 0);
rv = EncodeDBSubjectKey(&cert->derSubject, subjectList->arena,
&keyitem);
if ( rv == SECSuccess ) {
namekey.data = keyitem.data;
namekey.size = keyitem.len;
handle = cert->dbhandle;
ret = certdb_Del(handle->tempCertDB, &namekey, 0);
/* keep going if it fails */
if ( cert->dbnickname ) {
rv = SEC_DeleteTempNickname(handle, cert->dbnickname);
} else if ( cert->nickname ) {
rv = SEC_DeleteTempNickname(handle, cert->nickname);
}
/* keep going if it fails */
}
PORT_FreeArena(subjectList->arena, PR_FALSE);
}
}
PORT_Assert(cert->subjectList == NULL);
if ( cert->subjectList != NULL ) {
return(SECFailure);
}
return(SECSuccess);
}
/*
* cert is no longer a perm cert, but will remain a temp cert
*/
static SECStatus
RemovePermSubjectNode(CERTCertificate *cert)
{
CERTSubjectList *subjectList;
certDBEntrySubject *entry;
unsigned int i;
SECStatus rv;
PORT_Assert(cert->isperm);
if ( !cert->isperm ) {
return(SECFailure);
}
subjectList = cert->subjectList;
PORT_Assert(subjectList);
if ( subjectList == NULL ) {
return(SECFailure);
}
entry = subjectList->entry;
PORT_Assert(entry);
if ( entry == NULL ) {
return(SECFailure);
}
PORT_Assert(entry->ncerts);
rv = SECFailure;
if ( entry->ncerts > 1 ) {
for ( i = 0; i < entry->ncerts; i++ ) {
if ( SECITEM_CompareItem(&entry->certKeys[i], &cert->certKey) ==
SECEqual ) {
/* copy rest of list forward one entry */
for ( i = i + 1; i < entry->ncerts; i++ ) {
entry->certKeys[i-1] = entry->certKeys[i];
entry->keyIDs[i-1] = entry->keyIDs[i];
}
entry->ncerts--;
DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
rv = WriteDBSubjectEntry(cert->dbhandle, entry);
break;
}
}
} else {
/* no entries left, delete the perm entry in the DB */
if ( subjectList->entry->emailAddr ) {
/* if the subject had an email record, then delete it too */
DeleteDBSMimeEntry(cert->dbhandle, subjectList->entry->emailAddr);
}
DestroyDBEntry((certDBEntry *)subjectList->entry);
subjectList->entry = NULL;
DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
}
return(rv);
}
/*
* add a cert to the perm subject list
*/
static SECStatus
AddPermSubjectNode(CERTCertificate *cert, char *nickname)
{
CERTSubjectList *subjectList;
certDBEntrySubject *entry;
SECItem *newCertKeys, *newKeyIDs;
int i;
SECStatus rv;
CERTCertificate *cmpcert;
unsigned int nnlen;
int ncerts;
subjectList = cert->subjectList;
PORT_Assert(subjectList);
if ( subjectList == NULL ) {
return(SECFailure);
}
entry = subjectList->entry;
if ( entry ) {
ncerts = entry->ncerts;
if ( nickname && entry->nickname ) {
/* nicknames must be the same */
PORT_Assert(PORT_Strcmp(nickname, entry->nickname) == 0);
}
if ( ( entry->nickname == NULL ) && ( nickname != NULL ) ) {
/* copy nickname into the entry */
nnlen = PORT_Strlen(nickname) + 1;
entry->nickname = (char *)PORT_ArenaAlloc(entry->common.arena,
nnlen);
if ( entry->nickname == NULL ) {
return(SECFailure);
}
PORT_Memcpy(entry->nickname, nickname, nnlen);
}
/* a DB entry already exists, so add this cert */
newCertKeys = (SECItem *)PORT_ArenaAlloc(entry->common.arena,
sizeof(SECItem) *
( ncerts + 1 ) );
newKeyIDs = (SECItem *)PORT_ArenaAlloc(entry->common.arena,
sizeof(SECItem) *
( ncerts + 1 ) );
if ( ( newCertKeys == NULL ) || ( newKeyIDs == NULL ) ) {
return(SECFailure);
}
for ( i = 0; i < ncerts; i++ ) {
cmpcert = CERT_FindCertByKeyNoLocking(cert->dbhandle,
&entry->certKeys[i]);
PORT_Assert(cmpcert);
if ( CERT_IsNewer(cert, cmpcert) ) {
/* insert before cmpcert */
rv = SECITEM_CopyItem(entry->common.arena, &newCertKeys[i],
&cert->certKey);
if ( rv != SECSuccess ) {
return(SECFailure);
}
rv = SECITEM_CopyItem(entry->common.arena, &newKeyIDs[i],
&cert->subjectKeyID);
if ( rv != SECSuccess ) {
return(SECFailure);
}
/* copy the rest of the entry */
for ( ; i < ncerts; i++ ) {
newCertKeys[i+1] = entry->certKeys[i];
newKeyIDs[i+1] = entry->keyIDs[i];
}
/* update certKeys and keyIDs */
entry->certKeys = newCertKeys;
entry->keyIDs = newKeyIDs;
/* increment count */
entry->ncerts++;
break;
}
/* copy this cert entry */
newCertKeys[i] = entry->certKeys[i];
newKeyIDs[i] = entry->keyIDs[i];
}
if ( entry->ncerts == ncerts ) {
/* insert new one at end */
rv = SECITEM_CopyItem(entry->common.arena, &newCertKeys[ncerts],
&cert->certKey);
if ( rv != SECSuccess ) {
return(SECFailure);
}
rv = SECITEM_CopyItem(entry->common.arena, &newKeyIDs[ncerts],
&cert->subjectKeyID);
if ( rv != SECSuccess ) {
return(SECFailure);
}
/* update certKeys and keyIDs */
entry->certKeys = newCertKeys;
entry->keyIDs = newKeyIDs;
/* increment count */
entry->ncerts++;
}
} else {
/* need to make a new DB entry */
entry = NewDBSubjectEntry(&cert->derSubject, &cert->certKey,
&cert->subjectKeyID, nickname,
NULL, 0);
cert->subjectList->entry = entry;
}
if ( entry ) {
DeleteDBSubjectEntry(cert->dbhandle, &cert->derSubject);
rv = WriteDBSubjectEntry(cert->dbhandle, entry);
} else {
rv = SECFailure;
}
return(rv);
}
SECStatus
__CERT_TraversePermCertsForSubject(CERTCertDBHandle *handle,
SECItem *derSubject,
CERTCertCallback cb, void *cbarg)
{
certDBEntrySubject *entry;
int i;
CERTCertificate *cert;
SECStatus rv = SECSuccess;
entry = ReadDBSubjectEntry(handle, derSubject);
if ( entry == NULL ) {
return(SECFailure);
}
for( i = 0; i < entry->ncerts; i++ ) {
cert = CERT_FindCertByKey(handle, &entry->certKeys[i]);
rv = (* cb)(cert, cbarg);
CERT_DestroyCertificate(cert);
if ( rv == SECFailure ) {
break;
}
}
DestroyDBEntry((certDBEntry *)entry);
return(rv);
}
SECStatus
CERT_TraversePermCertsForSubject(CERTCertDBHandle *handle, SECItem *derSubject,
CERTCertCallback cb, void *cbarg)
{
return(__CERT_TraversePermCertsForSubject(handle, derSubject, cb, cbarg));
}
int
CERT_NumPermCertsForSubject(CERTCertDBHandle *handle, SECItem *derSubject)
{
certDBEntrySubject *entry;
int ret;
entry = ReadDBSubjectEntry(handle, derSubject);
if ( entry == NULL ) {
return(SECFailure);
}
ret = entry->ncerts;
DestroyDBEntry((certDBEntry *)entry);
return(ret);
}
SECStatus
__CERT_TraversePermCertsForNickname(CERTCertDBHandle *handle, char *nickname,
CERTCertCallback cb, void *cbarg)
{
certDBEntryNickname *nnentry = NULL;
certDBEntrySMime *smentry = NULL;
SECStatus rv;
SECItem *derSubject = NULL;
nnentry = ReadDBNicknameEntry(handle, nickname);
if ( nnentry ) {
derSubject = &nnentry->subjectName;
} else {
smentry = ReadDBSMimeEntry(handle, nickname);
if ( smentry ) {
derSubject = &smentry->subjectName;
}
}
if ( derSubject ) {
rv = CERT_TraversePermCertsForSubject(handle, derSubject,
cb, cbarg);
} else {
rv = SECFailure;
}
if ( nnentry ) {
DestroyDBEntry((certDBEntry *)nnentry);
}
if ( smentry ) {
DestroyDBEntry((certDBEntry *)smentry);
}
return(rv);
}
SECStatus
CERT_TraversePermCertsForNickname(CERTCertDBHandle *handle, char *nickname,
CERTCertCallback cb, void *cbarg)
{
return(__CERT_TraversePermCertsForNickname(handle, nickname, cb, cbarg));
}
int
CERT_NumPermCertsForNickname(CERTCertDBHandle *handle, char *nickname)
{
certDBEntryNickname *entry;
int ret;
entry = ReadDBNicknameEntry(handle, nickname);
if ( entry ) {
ret = CERT_NumPermCertsForSubject(handle, &entry->subjectName);
DestroyDBEntry((certDBEntry *)entry);
} else {
ret = 0;
}
return(ret);
}
int
CERT_NumCertsForCertSubject(CERTCertificate *cert)
{
int ret = 0;
if ( cert->subjectList ) {
ret = cert->subjectList->ncerts;
}
return(ret);
}
int
CERT_NumPermCertsForCertSubject(CERTCertificate *cert)
{
int ret = 0;
if ( cert->subjectList ) {
if ( cert->subjectList->entry ) {
ret = cert->subjectList->entry->ncerts;
}
}
return(ret);
}
SECStatus
CERT_TraverseCertsForSubject(CERTCertDBHandle *handle,
CERTSubjectList *subjectList,
CERTCertCallback cb, void *cbarg)
{
CERTSubjectNode *node;
CERTCertificate *cert;
SECStatus rv = SECSuccess;
CERT_LockDB(handle);
node = subjectList->head;
while ( node ) {
cert = CERT_FindCertByKeyNoLocking(handle, &node->certKey);
PORT_Assert(cert != NULL);
if ( cert != NULL ) {
rv = (* cb)(cert, cbarg);
CERT_DestroyCertificateNoLocking(cert);
if ( rv == SECFailure ) {
break;
}
}
node = node->next;
}
CERT_UnlockDB(handle);
return(rv);
}
/*
* Given a cert, find the cert with the same subject name that
* has the given key usage. If the given cert has the correct keyUsage, then
* return it, otherwise search the list in order.
*/
CERTCertificate *
CERT_FindCertByUsage(CERTCertificate *basecert, unsigned int requiredKeyUsage)
{
CERTSubjectNode *node;
CERTCertificate *cert;
CERTSubjectList *subjectList;
if ( ( basecert->keyUsage & requiredKeyUsage ) == requiredKeyUsage ) {
return(CERT_DupCertificate(basecert));
}
CERT_LockDB(basecert->dbhandle);
subjectList = basecert->subjectList;
node = subjectList->head;
while ( node ) {
cert = CERT_FindCertByKeyNoLocking(basecert->dbhandle, &node->certKey);
PORT_Assert(cert != NULL);
if ( cert != NULL ) {
if ( ( cert->keyUsage & requiredKeyUsage ) ==
requiredKeyUsage ) {
CERT_UnlockDB(basecert->dbhandle);
return(cert);
}
CERT_DestroyCertificateNoLocking(cert);
}
node = node->next;
}
CERT_UnlockDB(basecert->dbhandle);
return(NULL);
}
/*
* add a nickname to a cert that doesn't have one
*/
static SECStatus
AddNicknameToPermCert(CERTCertificate *cert, char *nickname)
{
certDBEntryCert *entry;
int rv;
PORT_Assert(cert->isperm);
if ( !cert->isperm ) {
goto loser;
}
entry = cert->dbEntry;
PORT_Assert(entry != NULL);
if ( entry == NULL ) {
goto loser;
}
entry->nickname = PORT_ArenaStrdup(entry->common.arena, nickname);
rv = WriteDBCertEntry(cert->dbhandle, entry);
if ( rv ) {
goto loser;
}
cert->nickname = PORT_ArenaStrdup(cert->arena, nickname);
return(SECSuccess);
loser:
return(SECFailure);
}
/*
* add a nickname to a cert that is already in the perm database, but doesn't
* have one yet (it is probably an e-mail cert).
*/
SECStatus
CERT_AddPermNickname(CERTCertificate *cert, char *nickname)
{
SECStatus rv;
CERT_LockDB(cert->dbhandle);
PORT_Assert(cert->nickname == NULL);
PORT_Assert(cert->isperm);
PORT_Assert(cert->subjectList != NULL);
PORT_Assert(cert->subjectList->entry != NULL);
if ( cert->nickname != NULL ) {
goto done;
}
if ( cert->subjectList == NULL ) {
goto loser;
}
if ( cert->subjectList->entry == NULL ) {
goto loser;
}
if ( cert->subjectList->entry->nickname == NULL ) {
/* no nickname for subject */
rv = AddNicknameToSubject(cert, nickname);
if ( rv != SECSuccess ) {
goto loser;
}
rv = AddNicknameToPermCert(cert, nickname);
if ( rv != SECSuccess ) {
goto loser;
}
rv = SEC_AddTempNickname(cert->dbhandle, nickname,
&cert->derSubject);
if ( rv != SECSuccess ) {
goto loser;
}
} else {
/* subject already has a nickname */
rv = AddNicknameToPermCert(cert, cert->subjectList->entry->nickname);
if ( rv != SECSuccess ) {
goto loser;
}
}
done:
CERT_UnlockDB(cert->dbhandle);
return(SECSuccess);
loser:
CERT_UnlockDB(cert->dbhandle);
return(SECFailure);
}
static certDBEntryCert *
AddCertToPermDB(CERTCertDBHandle *handle, CERTCertificate *cert,
char *nickname, CERTCertTrust *trust)
{
certDBEntryCert *certEntry = NULL;
certDBEntryNickname *nicknameEntry = NULL;
certDBEntrySubject *subjectEntry = NULL;
int state = 0;
SECStatus rv;
PRBool donnentry = PR_FALSE;
if ( nickname ) {
donnentry = PR_TRUE;
}
if ( cert->subjectList != NULL ) {
if ( cert->subjectList->entry != NULL ) {
if ( cert->subjectList->entry->ncerts > 0 ) {
/* of other certs with same subject exist, then they already
* have a nickname, so don't add a new one.
*/
donnentry = PR_FALSE;
nickname = cert->subjectList->entry->nickname;
}
}
}
certEntry = NewDBCertEntry(&cert->derCert, nickname, trust, 0);
if ( certEntry == NULL ) {
goto loser;
}
if ( donnentry ) {
nicknameEntry = NewDBNicknameEntry(nickname, &cert->derSubject, 0);
if ( nicknameEntry == NULL ) {
goto loser;
}
}
rv = WriteDBCertEntry(handle, certEntry);
if ( rv != SECSuccess ) {
goto loser;
}
state = 1;
if ( nicknameEntry ) {
rv = WriteDBNicknameEntry(handle, nicknameEntry);
if ( rv != SECSuccess ) {
goto loser;
}
}
state = 2;
/* add to or create new subject entry */
if ( cert->subjectList ) {
rv = AddPermSubjectNode(cert, nickname);
if ( rv != SECSuccess ) {
goto loser;
}
} else {
/* make a new subject entry - this case is only used when updating
* an old version of the database. This is OK because the oldnickname
* db format didn't allow multiple certs with the same subject.
*/
subjectEntry = NewDBSubjectEntry(&cert->derSubject, &cert->certKey,
&cert->subjectKeyID, nickname,
NULL, 0);
if ( subjectEntry == NULL ) {
goto loser;
}
rv = WriteDBSubjectEntry(handle, subjectEntry);
if ( rv != SECSuccess ) {
goto loser;
}
}
state = 3;
if ( nicknameEntry ) {
DestroyDBEntry((certDBEntry *)nicknameEntry);
}
if ( subjectEntry ) {
DestroyDBEntry((certDBEntry *)subjectEntry);
}
return(certEntry);
loser:
/* don't leave partial entry in the database */
if ( state > 0 ) {
rv = DeleteDBCertEntry(handle, &cert->certKey);
}
if ( ( state > 1 ) && donnentry ) {
rv = DeleteDBNicknameEntry(handle, nickname);
}
if ( state > 2 ) {
rv = DeleteDBSubjectEntry(handle, &cert->derSubject);
}
if ( certEntry ) {
DestroyDBEntry((certDBEntry *)certEntry);
}
if ( nicknameEntry ) {
DestroyDBEntry((certDBEntry *)nicknameEntry);
}
if ( subjectEntry ) {
DestroyDBEntry((certDBEntry *)subjectEntry);
}
return(NULL);
}
/*
* NOTE - Version 6 DB did not go out to the real world in a release,
* so we can remove this function in a later release.
*/
static SECStatus
UpdateV6DB(CERTCertDBHandle *handle, DB *updatedb)
{
int ret;
DBT key, data;
unsigned char *buf, *tmpbuf = NULL;
certDBEntryType type;
certDBEntryNickname *nnEntry = NULL;
certDBEntrySubject *subjectEntry = NULL;
certDBEntrySMime *emailEntry = NULL;
char *nickname;
char *emailAddr;
SECStatus rv;
/*
* Sequence through the old database and copy all of the entries
* to the new database. Subject name entries will have the new
* fields inserted into them (with zero length).
*/
ret = (* updatedb->seq)(updatedb, &key, &data, R_FIRST);
if ( ret ) {
return(SECFailure);
}
do {
buf = (unsigned char *)data.data;
if ( data.size >= 3 ) {
if ( buf[0] == 6 ) { /* version number */
type = (certDBEntryType)buf[1];
if ( type == certDBEntryTypeSubject ) {
/* expando subjecto entrieo */
tmpbuf = (unsigned char *)PORT_Alloc(data.size + 4);
if ( tmpbuf ) {
/* copy header stuff */
PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN + 2);
/* insert 4 more bytes of zero'd header */
PORT_Memset(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 2],
0, 4);
/* copy rest of the data */
PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6],
&buf[SEC_DB_ENTRY_HEADER_LEN + 2],
data.size - (SEC_DB_ENTRY_HEADER_LEN + 2));
data.data = (void *)tmpbuf;
data.size += 4;
buf = tmpbuf;
}
} else if ( type == certDBEntryTypeCert ) {
/* expando certo entrieo */
tmpbuf = (unsigned char *)PORT_Alloc(data.size + 3);
if ( tmpbuf ) {
/* copy header stuff */
PORT_Memcpy(tmpbuf, buf, SEC_DB_ENTRY_HEADER_LEN);
/* copy trust flage, setting msb's to 0 */
tmpbuf[SEC_DB_ENTRY_HEADER_LEN] = 0;
tmpbuf[SEC_DB_ENTRY_HEADER_LEN+1] =
buf[SEC_DB_ENTRY_HEADER_LEN];
tmpbuf[SEC_DB_ENTRY_HEADER_LEN+2] = 0;
tmpbuf[SEC_DB_ENTRY_HEADER_LEN+3] =
buf[SEC_DB_ENTRY_HEADER_LEN+1];
tmpbuf[SEC_DB_ENTRY_HEADER_LEN+4] = 0;
tmpbuf[SEC_DB_ENTRY_HEADER_LEN+5] =
buf[SEC_DB_ENTRY_HEADER_LEN+2];
/* copy rest of the data */
PORT_Memcpy(&tmpbuf[SEC_DB_ENTRY_HEADER_LEN + 6],
&buf[SEC_DB_ENTRY_HEADER_LEN + 3],
data.size - (SEC_DB_ENTRY_HEADER_LEN + 3));
data.data = (void *)tmpbuf;
data.size += 3;
buf = tmpbuf;
}
}
/* update the record version number */
buf[0] = CERT_DB_FILE_VERSION;
/* copy to the new database */
ret = certdb_Put(handle->permCertDB, &key, &data, 0);
if ( tmpbuf ) {
PORT_Free(tmpbuf);
tmpbuf = NULL;
}
}
}
} while ( (* updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0 );
ret = certdb_Sync(handle->permCertDB, 0);
ret = (* updatedb->seq)(updatedb, &key, &data, R_FIRST);
if ( ret ) {
return(SECFailure);
}
do {
buf = (unsigned char *)data.data;
if ( data.size >= 3 ) {
if ( buf[0] == CERT_DB_FILE_VERSION ) { /* version number */
type = (certDBEntryType)buf[1];
if ( type == certDBEntryTypeNickname ) {
nickname = &((char *)key.data)[1];
/* get the matching nickname entry in the new DB */
nnEntry = ReadDBNicknameEntry(handle, nickname);
if ( nnEntry == NULL ) {
goto endloop;
}
/* find the subject entry pointed to by nickname */
subjectEntry = ReadDBSubjectEntry(handle,
&nnEntry->subjectName);
if ( subjectEntry == NULL ) {
goto endloop;
}
subjectEntry->nickname =
(char *)PORT_ArenaAlloc(subjectEntry->common.arena,
key.size - 1);
if ( subjectEntry->nickname ) {
PORT_Memcpy(subjectEntry->nickname, nickname,
key.size - 1);
rv = WriteDBSubjectEntry(handle, subjectEntry);
}
} else if ( type == certDBEntryTypeSMimeProfile ) {
emailAddr = &((char *)key.data)[1];
/* get the matching smime entry in the new DB */
emailEntry = ReadDBSMimeEntry(handle, emailAddr);
if ( emailEntry == NULL ) {
goto endloop;
}
/* find the subject entry pointed to by nickname */
subjectEntry = ReadDBSubjectEntry(handle,
&emailEntry->subjectName);
if ( subjectEntry == NULL ) {
goto endloop;
}
subjectEntry->nickname =
(char *)PORT_ArenaAlloc(subjectEntry->common.arena,
key.size - 1);
if ( subjectEntry->emailAddr ) {
PORT_Memcpy(subjectEntry->emailAddr, emailAddr,
key.size - 1);
rv = WriteDBSubjectEntry(handle, subjectEntry);
}
}
endloop:
if ( subjectEntry ) {
DestroyDBEntry((certDBEntry *)subjectEntry);
subjectEntry = NULL;
}
if ( nnEntry ) {
DestroyDBEntry((certDBEntry *)nnEntry);
nnEntry = NULL;
}
if ( emailEntry ) {
DestroyDBEntry((certDBEntry *)emailEntry);
emailEntry = NULL;
}
}
}
} while ( (* updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0 );
ret = certdb_Sync(handle->permCertDB, 0);
(* updatedb->close)(updatedb);
return(SECSuccess);
}
static SECStatus
updateV5Callback(CERTCertificate *cert, SECItem *k, void *pdata)
{
CERTCertDBHandle *handle;
certDBEntryCert *entry;
CERTCertTrust *trust;
handle = (CERTCertDBHandle *)pdata;
trust = &cert->dbEntry->trust;
/* SSL user certs can be used for email if they have an email addr */
if ( cert->emailAddr && ( trust->sslFlags & CERTDB_USER ) &&
( trust->emailFlags == 0 ) ) {
trust->emailFlags = CERTDB_USER;
}
/* servers didn't set the user flags on the server cert.. */
if (PORT_Strcmp(cert->dbEntry->nickname,"Server-Cert") == 0) {
trust->sslFlags |= CERTDB_USER;
}
entry = AddCertToPermDB(handle, cert, cert->dbEntry->nickname,
&cert->dbEntry->trust);
if ( entry ) {
DestroyDBEntry((certDBEntry *)entry);
}
return(SECSuccess);
}
static SECStatus
UpdateV5DB(CERTCertDBHandle *handle, DB *updatedb)
{
CERTCertDBHandle updatehandle;
SECStatus rv;
updatehandle.permCertDB = updatedb;
updatehandle.dbMon = PZ_NewMonitor(nssILockCertDB);
rv = SEC_TraversePermCerts(&updatehandle, updateV5Callback,
(void *)handle);
PZ_DestroyMonitor(updatehandle.dbMon);
(* updatedb->close)(updatedb);
return(SECSuccess);
}
static PRBool
isV4DB(DB *db) {
DBT key,data;
int ret;
key.data = "Version";
key.size = 7;
ret = (*db->get)(db, &key, &data, 0);
if (ret) {
return PR_FALSE;
}
if ((data.size == 1) && (*(unsigned char *)data.data <= 4)) {
return PR_TRUE;
}
return PR_FALSE;
}
static SECStatus
UpdateV4DB(CERTCertDBHandle *handle, DB *updatedb)
{
DBT key, data;
certDBEntryCert *entry, *entry2;
SECItem derSubject;
int ret;
PRArenaPool *arena = NULL;
CERTCertificate *cert;
ret = (* updatedb->seq)(updatedb, &key, &data, R_FIRST);
if ( ret ) {
return(SECFailure);
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) {
return(SECFailure);
}
do {
if ( data.size != 1 ) { /* skip version number */
/* decode the old DB entry */
entry = (certDBEntryCert *)DecodeV4DBCertEntry((unsigned char*)data.data, data.size);
derSubject.data = NULL;
if ( entry ) {
cert = CERT_DecodeDERCertificate(&entry->derCert, PR_TRUE,
entry->nickname);
if ( cert != NULL ) {
/* add to new database */
entry2 = AddCertToPermDB(handle, cert, entry->nickname,
&entry->trust);
CERT_DestroyCertificate(cert);
if ( entry2 ) {
DestroyDBEntry((certDBEntry *)entry2);
}
}
DestroyDBEntry((certDBEntry *)entry);
}
}
} while ( (* updatedb->seq)(updatedb, &key, &data, R_NEXT) == 0 );
PORT_FreeArena(arena, PR_FALSE);
(* updatedb->close)(updatedb);
return(SECSuccess);
}
/*
* return true if a database key conflict exists
*/
PRBool
SEC_CertDBKeyConflict(SECItem *derCert, CERTCertDBHandle *handle)
{
SECStatus rv;
DBT tmpdata;
DBT namekey;
int ret;
SECItem keyitem;
PRArenaPool *arena = NULL;
SECItem derKey;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
/* get the db key of the cert */
rv = CERT_KeyFromDERCert(arena, derCert, &derKey);
if ( rv != SECSuccess ) {
goto loser;
}
rv = EncodeDBCertKey(&derKey, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = keyitem.data;
namekey.size = keyitem.len;
/* lookup in the temporary database */
ret = certdb_Get(handle->tempCertDB, &namekey, &tmpdata, 0);
if ( ret == 0 ) { /* found in temp database */
goto loser;
} else { /* not found in temporary database */
ret = certdb_Get(handle->permCertDB, &namekey, &tmpdata, 0);
if ( ret == 0 ) {
goto loser;
}
}
PORT_FreeArena(arena, PR_FALSE);
return(PR_FALSE);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(PR_TRUE);
}
#ifdef NOTDEF
/*
* return true if a subject name conflict exists
* NOTE: caller must have already made sure that this exact cert
* doesn't exist in the DB
*/
PRBool
SEC_CertSubjectConflict(SECItem *derCert, CERTCertDBHandle *handle)
{
SECStatus rv;
DBT tmpdata;
DBT namekey;
int ret;
SECItem keyitem;
PRArenaPool *arena = NULL;
SECItem derName;
derName.data = NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
/* get the subject name of the cert */
rv = CERT_NameFromDERCert(derCert, &derName);
if ( rv != SECSuccess ) {
goto loser;
}
rv = EncodeDBSubjectKey(&derName, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = keyitem.data;
namekey.size = keyitem.len;
/* lookup in the temporary database */
ret = certdb_Get(handle->tempCertDB, &namekey, &tmpdata, 0);
if ( ret == 0 ) { /* found in temp database */
return(PR_TRUE);
} else { /* not found in temporary database */
ret = certdb_Get(handle->permCertDB, &namekey, &tmpdata, 0);
if ( ret == 0 ) {
return(PR_TRUE);
}
}
PORT_FreeArena(arena, PR_FALSE);
PORT_Free(derName.data);
return(PR_FALSE);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
if ( derName.data ) {
PORT_Free(derName.data);
}
return(PR_TRUE);
}
#endif
/*
* return true if a nickname conflict exists
* NOTE: caller must have already made sure that this exact cert
* doesn't exist in the DB
*/
PRBool
SEC_CertNicknameConflict(char *nickname, SECItem *derSubject,
CERTCertDBHandle *handle)
{
PRBool rv;
certDBEntryNickname *entry;
if ( nickname == NULL ) {
return(PR_FALSE);
}
entry = ReadDBNicknameEntry(handle, nickname);
if ( entry == NULL ) {
/* no entry for this nickname, so no conflict */
return(PR_FALSE);
}
rv = PR_TRUE;
if ( SECITEM_CompareItem(derSubject, &entry->subjectName) == SECEqual ) {
/* if subject names are the same, then no conflict */
rv = PR_FALSE;
}
DestroyDBEntry((certDBEntry *)entry);
return(rv);
}
/*
* Open the certificate database and index databases. Create them if
* they are not there or bad.
*/
SECStatus
SEC_OpenPermCertDB(CERTCertDBHandle *handle, PRBool readOnly,
CERTDBNameFunc namecb, void *cbarg)
{
SECStatus rv;
int openflags;
certDBEntryVersion *versionEntry = NULL;
DB *updatedb = NULL;
char *tmpname;
char *certdbname;
PRBool updated = PR_FALSE;
PRBool forceUpdate = PR_FALSE;
certdbname = (* namecb)(cbarg, CERT_DB_FILE_VERSION);
if ( certdbname == NULL ) {
return(SECFailure);
}
if ( readOnly ) {
openflags = O_RDONLY;
} else {
openflags = O_RDWR;
}
/*
* first open the permanent file based database.
*/
handle->permCertDB = dbopen( certdbname, openflags, 0600, DB_HASH, 0 );
/* check for correct version number */
if ( handle->permCertDB ) {
versionEntry = ReadDBVersionEntry(handle);
if ( versionEntry == NULL ) {
/* no version number */
certdb_Close(handle->permCertDB);
handle->permCertDB = 0;
} else if ( versionEntry->common.version != CERT_DB_FILE_VERSION ) {
/* wrong version number, can't update in place */
DestroyDBEntry((certDBEntry *)versionEntry);
PORT_Free(certdbname);
return(SECFailure);
} else {
DestroyDBEntry((certDBEntry *)versionEntry);
versionEntry = NULL;
}
}
/* if first open fails, try to create a new DB */
if ( handle->permCertDB == NULL ) {
/* don't create if readonly */
if ( readOnly ) {
goto loser;
}
handle->permCertDB = dbopen(certdbname,
O_RDWR | O_CREAT | O_TRUNC,
0600, DB_HASH, 0);
/* if create fails then we lose */
if ( handle->permCertDB == 0 ) {
goto loser;
}
versionEntry = NewDBVersionEntry(0);
if ( versionEntry == NULL ) {
goto loser;
}
rv = WriteDBVersionEntry(handle, versionEntry);
DestroyDBEntry((certDBEntry *)versionEntry);
if ( rv != SECSuccess ) {
goto loser;
}
/* try to upgrade old db here */
tmpname = (* namecb)(cbarg, 6); /* get v6 db name */
if ( tmpname ) {
updatedb = dbopen( tmpname, O_RDONLY, 0600, DB_HASH, 0 );
PORT_Free(tmpname);
if ( updatedb ) {
rv = UpdateV6DB(handle, updatedb);
if ( rv != SECSuccess ) {
goto loser;
}
updated = PR_TRUE;
} else { /* no v6 db, so try v5 db */
tmpname = (* namecb)(cbarg, 5); /* get v5 db name */
if ( tmpname ) {
updatedb = dbopen( tmpname, O_RDONLY, 0600, DB_HASH, 0 );
PORT_Free(tmpname);
if ( updatedb ) {
rv = UpdateV5DB(handle, updatedb);
if ( rv != SECSuccess ) {
goto loser;
}
updated = PR_TRUE;
} else { /* no v5 db, so try v4 db */
/* try to upgrade v4 db */
tmpname = (* namecb)(cbarg, 4); /* get v4 db name */
if ( tmpname ) {
updatedb = dbopen( tmpname, O_RDONLY, 0600,
DB_HASH, 0 );
PORT_Free(tmpname);
if ( updatedb ) {
/* NES has v5 db's with v4 db names! */
if (isV4DB(updatedb)) {
rv = UpdateV4DB(handle, updatedb);
} else {
rv = UpdateV5DB(handle, updatedb);
}
if ( rv != SECSuccess ) {
goto loser;
}
forceUpdate = PR_TRUE;
updated = PR_TRUE;
}
}
}
}
}
}
/* initialize the database with our well known certificates
* or in the case of update, just fall down to CERT_AddNewCerts()
* below.
* Note - if we are updating a really old database, then we try
* to push all of the certs into it.
*/
if ( ( !updated ) || forceUpdate ) {
rv = CERT_InitCertDB(handle);
if ( rv != SECSuccess ) {
goto loser;
}
}
}
rv = CERT_AddNewCerts(handle);
PORT_Free(certdbname);
return (SECSuccess);
loser:
PORT_SetError(SEC_ERROR_BAD_DATABASE);
if ( handle->permCertDB ) {
certdb_Close(handle->permCertDB);
handle->permCertDB = 0;
}
PORT_Free(certdbname);
return(SECFailure);
}
/*
* delete all DB records associated with a particular certificate
*/
static SECStatus
DeletePermCert(CERTCertificate *cert)
{
SECStatus rv;
SECStatus ret;
ret = SECSuccess;
rv = DeleteDBCertEntry(cert->dbhandle, &cert->certKey);
if ( rv != SECSuccess ) {
ret = SECFailure;
}
if ( cert->nickname ) {
rv = DeleteDBNicknameEntry(cert->dbhandle, cert->nickname);
if ( rv != SECSuccess ) {
ret = SECFailure;
}
}
rv = RemovePermSubjectNode(cert);
return(ret);
}
/*
* Delete a certificate from the permanent database.
*/
SECStatus
SEC_DeletePermCertificate(CERTCertificate *cert)
{
SECStatus rv;
if ( !cert->isperm ) {
return(SECSuccess);
}
CERT_LockDB(cert->dbhandle);
/* delete the records from the permanent database */
rv = DeletePermCert(cert);
/* no longer permanent */
cert->isperm = PR_FALSE;
/* get rid of dbcert and stuff pointing to it */
DestroyDBEntry((certDBEntry *)cert->dbEntry);
cert->dbEntry = NULL;
cert->trust = NULL;
/* delete it from the temporary database too. It will remain in
* memory until all references go away.
*/
if (cert->slot) {
/* If it's owned by a PKCS #11 slot, don't deleted if from the temp DB just
* yet... rv inherited from DeletePermCert (as if anyone checks the return
* code from this function anyway. */
CERT_DestroyCertificateNoLocking(cert);
rv = SECSuccess;
} else {
rv = CERT_DeleteTempCertificate(cert);
}
CERT_UnlockDB(cert->dbhandle);
return(rv);
}
/*
* Lookup a certificate in the databases.
*/
certDBEntryCert *
SEC_FindPermCertByKey(CERTCertDBHandle *handle, SECItem *key)
{
return(ReadDBCertEntry(handle, key));
}
/*
* Lookup a certificate in the database by name
*/
certDBEntryCert *
SEC_FindPermCertByName(CERTCertDBHandle *handle, SECItem *derSubject)
{
certDBEntrySubject *subjectEntry;
certDBEntryCert *certEntry;
subjectEntry = ReadDBSubjectEntry(handle, derSubject);
if ( subjectEntry == NULL ) {
goto loser;
}
certEntry = ReadDBCertEntry(handle, &subjectEntry->certKeys[0]);
DestroyDBEntry((certDBEntry *)subjectEntry);
return(certEntry);
loser:
return(NULL);
}
/*
* Lookup a certificate in the database by nickname
*/
certDBEntryCert *
SEC_FindPermCertByNickname(CERTCertDBHandle *handle, char *nickname)
{
certDBEntryNickname *nicknameEntry;
certDBEntryCert *certEntry;
nicknameEntry = ReadDBNicknameEntry(handle, nickname);
if ( nicknameEntry == NULL ) {
goto loser;
}
certEntry = SEC_FindPermCertByName(handle, &nicknameEntry->subjectName);
DestroyDBEntry((certDBEntry *)nicknameEntry);
return(certEntry);
loser:
return(NULL);
}
/*
* Traverse all of the entries in the database of a particular type
* call the given function for each one.
*/
SECStatus
SEC_TraverseDBEntries(CERTCertDBHandle *handle,
certDBEntryType type,
SECStatus (* callback)(SECItem *data, SECItem *key,
certDBEntryType type, void *pdata),
void *udata )
{
DBT data;
DBT key;
SECStatus rv;
int ret;
SECItem dataitem;
SECItem keyitem;
unsigned char *buf;
unsigned char *keybuf;
ret = certdb_Seq(handle->permCertDB, &key, &data, R_FIRST);
if ( ret ) {
return(SECFailure);
}
do {
buf = (unsigned char *)data.data;
if ( buf[1] == (unsigned char)type ) {
dataitem.len = data.size;
dataitem.data = buf;
dataitem.type = siBuffer;
keyitem.len = key.size - SEC_DB_KEY_HEADER_LEN;
keybuf = (unsigned char *)key.data;
keyitem.data = &keybuf[SEC_DB_KEY_HEADER_LEN];
keyitem.type = siBuffer;
rv = (* callback)(&dataitem, &keyitem, type, udata);
if ( rv != SECSuccess ) {
return(rv);
}
}
} while ( certdb_Seq(handle->permCertDB, &key, &data, R_NEXT) == 0 );
return(SECSuccess);
}
typedef struct {
PermCertCallback certfunc;
CERTCertDBHandle *handle;
void *data;
} PermCertCallbackState;
/*
* traversal callback to decode certs and call callers callback
*/
static SECStatus
certcallback(SECItem *dbdata, SECItem *dbkey, certDBEntryType type, void *data)
{
PermCertCallbackState *mystate;
SECStatus rv;
certDBEntryCert entry;
SECItem entryitem;
CERTCertificate *cert;
PRArenaPool *arena = NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
mystate = (PermCertCallbackState *)data;
entry.common.version = (unsigned int)dbdata->data[0];
entry.common.type = (certDBEntryType)dbdata->data[1];
entry.common.flags = (unsigned int)dbdata->data[2];
entry.common.arena = arena;
entryitem.len = dbdata->len - SEC_DB_ENTRY_HEADER_LEN;
entryitem.data = &dbdata->data[SEC_DB_ENTRY_HEADER_LEN];
rv = DecodeDBCertEntry(&entry, &entryitem);
if (rv != SECSuccess ) {
goto loser;
}
entry.derCert.type = siBuffer;
cert = CERT_DecodeDERCertificate(&entry.derCert, PR_FALSE,
entry.nickname);
cert->dbEntry = &entry;
cert->trust = &entry.trust;
cert->dbhandle = mystate->handle;
if ( CERT_IsCACert(cert, NULL) ||
(( cert->trust->sslFlags & CERTDB_VALID_CA ) ||
( cert->trust->emailFlags & CERTDB_VALID_CA ) ||
( cert->trust->objectSigningFlags & CERTDB_VALID_CA)) ) {
cert->nsCertType |= EXT_KEY_USAGE_STATUS_RESPONDER;
}
rv = (* mystate->certfunc)(cert, dbkey, mystate->data);
/* arena destroyed by SEC_DestroyCert */
CERT_DestroyCertificateNoLocking(cert);
return(rv);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Traverse all of the certificates in the permanent database and
* call the given function for each one; expect the caller to have lock.
*/
static SECStatus
TraversePermCertsNoLocking(CERTCertDBHandle *handle,
SECStatus (* certfunc)(CERTCertificate *cert,
SECItem *k,
void *pdata),
void *udata )
{
SECStatus rv;
PermCertCallbackState mystate;
mystate.certfunc = certfunc;
mystate.handle = handle;
mystate.data = udata;
rv = SEC_TraverseDBEntries(handle, certDBEntryTypeCert, certcallback,
(void *)&mystate);
return(rv);
}
/*
* Traverse all of the certificates in the permanent database and
* call the given function for each one.
*/
SECStatus
SEC_TraversePermCerts(CERTCertDBHandle *handle,
SECStatus (* certfunc)(CERTCertificate *cert, SECItem *k,
void *pdata),
void *udata )
{
SECStatus rv;
CERT_LockDB(handle);
rv = TraversePermCertsNoLocking(handle, certfunc, udata);
CERT_UnlockDB(handle);
return(rv);
}
/*
* Close the database
*/
void
__CERT_ClosePermCertDB(CERTCertDBHandle *handle)
{
if ( handle ) {
if ( handle->permCertDB ) {
if ( handle->statusConfig ) {
PORT_Assert(handle->statusConfig->statusDestroy != NULL);
(void) (* handle->statusConfig->statusDestroy)(handle->statusConfig);
handle->statusConfig = NULL; /* Destroy frees the structure */
PORT_Assert(handle->statusConfig == NULL);
}
certdb_Close( handle->permCertDB );
handle->permCertDB = 0;
}
}
return;
}
void
CERT_ClosePermCertDB(CERTCertDBHandle *handle)
{
__CERT_ClosePermCertDB(handle);
}
/*
* Get the trust attributes from a certificate
*/
SECStatus
CERT_GetCertTrust(CERTCertificate *cert, CERTCertTrust *trust)
{
SECStatus rv;
CERT_LockCertTrust(cert);
if ( cert->trust == NULL ) {
rv = SECFailure;
} else {
*trust = *cert->trust;
rv = SECSuccess;
}
CERT_UnlockCertTrust(cert);
return(rv);
}
static char *
cert_parseNickname(char *nickname)
{
char *cp;
for (cp=nickname; *cp && *cp != ':'; cp++);
if (*cp == ':') return cp+1;
return nickname;
}
/*
* Change the trust attributes of a certificate and make them permanent
* in the database.
*/
SECStatus
CERT_ChangeCertTrust(CERTCertDBHandle *handle, CERTCertificate *cert,
CERTCertTrust *trust)
{
certDBEntryCert *entry;
int rv;
SECStatus ret;
CERT_LockDB(handle);
CERT_LockCertTrust(cert);
/* only set the trust on permanent certs */
if ( cert->trust == NULL ) {
ret = SECFailure;
goto done;
}
*cert->trust = *trust;
if ( cert->dbEntry == NULL ) {
ret = SECSuccess; /* not in permanent database */
if ((cert->slot) && PK11_IsReadOnly(cert->slot)) {
char *nickname = cert_parseNickname(cert->nickname);
ret = CERT_AddTempCertToPerm(cert, nickname, trust);
}
goto done;
}
entry = cert->dbEntry;
entry->trust = *trust;
rv = WriteDBCertEntry(handle, entry);
if ( rv ) {
ret = SECFailure;
goto done;
}
ret = SECSuccess;
done:
CERT_UnlockCertTrust(cert);
CERT_UnlockDB(handle);
return(ret);
}
SECStatus
CERT_AddTempCertToPerm(CERTCertificate *cert, char *nickname,
CERTCertTrust *trust)
{
char *oldnn;
certDBEntryCert *entry;
SECStatus rv;
PRBool conflict;
SECStatus ret;
PORT_Assert(cert->dbhandle);
CERT_LockDB(cert->dbhandle);
PORT_Assert(cert->istemp);
PORT_Assert(!cert->isperm);
PORT_Assert(!cert->dbEntry);
/* don't add a conflicting nickname */
conflict = SEC_CertNicknameConflict(nickname, &cert->derSubject,
cert->dbhandle);
if ( conflict ) {
ret = SECFailure;
goto done;
}
/* save old nickname so that we can delete it */
oldnn = cert->nickname;
entry = AddCertToPermDB(cert->dbhandle, cert, nickname, trust);
if ( entry == NULL ) {
ret = SECFailure;
goto done;
}
cert->nickname = (entry->nickname) ? PORT_ArenaStrdup(cert->arena,entry->nickname) : NULL;
cert->trust = &entry->trust;
cert->isperm = PR_TRUE;
cert->dbEntry = entry;
if ( nickname && oldnn && ( PORT_Strcmp(nickname, oldnn) != 0 ) ) {
/* only delete the old one if they are not the same */
/* delete old nickname from temp database */
rv = SEC_DeleteTempNickname(cert->dbhandle, oldnn);
if ( rv != SECSuccess ) {
/* do we care?? */
}
}
/* add new nickname to temp database */
if ( cert->nickname ) {
rv = SEC_AddTempNickname(cert->dbhandle, cert->nickname,
&cert->derSubject);
if ( rv != SECSuccess ) {
ret = SECFailure;
goto done;
}
}
ret = SECSuccess;
done:
CERT_UnlockDB(cert->dbhandle);
return(ret);
}
/*
* Open the certificate database and index databases. Create them if
* they are not there or bad.
*/
SECStatus
CERT_OpenCertDB(CERTCertDBHandle *handle, PRBool readOnly,
CERTDBNameFunc namecb, void *cbarg)
{
int rv;
#define DBM_DEFAULT 0
static const HASHINFO hashInfo = {
DBM_DEFAULT, /* bucket size */
DBM_DEFAULT, /* fill factor */
DBM_DEFAULT, /* number of elements */
256 * 1024, /* bytes to cache */
DBM_DEFAULT, /* hash function */
DBM_DEFAULT /* byte order */
};
certdb_InitDBLock();
handle->dbMon = PZ_NewMonitor(nssILockCertDB);
PORT_Assert(handle->dbMon != NULL);
handle->spkDigestInfo = NULL;
handle->statusConfig = NULL;
/*
* Open the memory resident decoded cert database.
*/
handle->tempCertDB = dbopen(0, O_RDWR | O_CREAT, 0600, DB_HASH, &hashInfo);
if ( !handle->tempCertDB ) {
goto loser;
}
rv = SEC_OpenPermCertDB(handle, readOnly, namecb, cbarg);
if ( rv ) {
goto loser;
}
return (SECSuccess);
loser:
PORT_SetError(SEC_ERROR_BAD_DATABASE);
if ( handle->tempCertDB ) {
certdb_Close(handle->tempCertDB);
handle->tempCertDB = 0;
}
return(SECFailure);
}
static char *
certDBFilenameCallback(void *arg, int dbVersion)
{
return(PORT_Strdup((char *)arg));
}
SECStatus
CERT_OpenCertDBFilename(CERTCertDBHandle *handle, char *certdbname,
PRBool readOnly)
{
return(CERT_OpenCertDB(handle, readOnly, certDBFilenameCallback,
(void *)certdbname));
}
/*
* Add a nickname to the temp database
*/
SECStatus
SEC_AddTempNickname(CERTCertDBHandle *handle, char *nickname,
SECItem *subjectName)
{
DBT namekey;
int ret;
SECItem nameitem;
SECStatus rv;
DBT keydata;
PRArenaPool *arena = NULL;
SECItem tmpitem;
PORT_Assert(nickname != NULL);
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
rv = EncodeDBNicknameKey(nickname, arena, &nameitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = nameitem.data;
namekey.size = nameitem.len;
/* see if an entry already exists */
ret = certdb_Get(handle->tempCertDB, &namekey, &keydata, 0);
if ( ret == 0 ) {
/* found in temp database */
tmpitem.data = (unsigned char*)keydata.data;
tmpitem.len = keydata.size;
if ( SECITEM_CompareItem(subjectName, &tmpitem) == SECEqual ) {
/* same subject name */
goto done;
} else {
/* different subject name is an error */
goto loser;
}
}
keydata.data = subjectName->data;
keydata.size = subjectName->len;
/* put into temp byname index */
ret = certdb_Put(handle->tempCertDB, &namekey, &keydata, R_NOOVERWRITE);
if ( ret ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
done:
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
SECStatus
SEC_DeleteTempNickname(CERTCertDBHandle *handle, char *nickname)
{
DBT namekey;
SECStatus rv;
PRArenaPool *arena = NULL;
SECItem nameitem;
int ret;
PORT_Assert(nickname != NULL);
if ( nickname == NULL ) {
return(SECSuccess);
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
/* format a database key based on the nickname */
if ( nickname ) {
rv = EncodeDBNicknameKey(nickname, arena, &nameitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = nameitem.data;
namekey.size = nameitem.len;
ret = certdb_Del(handle->tempCertDB, &namekey, 0);
if ( ret ) {
goto loser;
}
}
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Decode a certificate and enter it into the temporary certificate database.
* Deal with nicknames correctly
*
* nickname is only used if isperm == PR_TRUE
*
* This is the private entry point, and locking is optional
*/
static CERTCertificate *
NewTempCertificate(CERTCertDBHandle *handle, SECItem *derCert, char *nickname,
PRBool isperm, PRBool copyDER, PRBool lockdb)
{
DBT key;
DBT data;
int status;
CERTCertificate *cert = NULL;
PRBool promoteError = PR_TRUE;
PRArenaPool *arena = NULL;
SECItem keyitem;
SECStatus rv;
if ( lockdb ) {
CERT_LockDB(handle);
}
if ( isperm == PR_FALSE ) {
cert = CERT_FindCertByDERCertNoLocking(handle, derCert);
if ( cert ) {
goto winner;
}
nickname = NULL;
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
cert = CERT_DecodeDERCertificate(derCert, copyDER, nickname );
if ( cert == NULL ) {
/* We want to save the decoding error here */
promoteError = PR_FALSE;
goto loser;
}
cert->dbhandle = handle;
/* only save pointer to cert in database */
data.data = &cert;
data.size = sizeof(cert);
/* if this is a perm cert, then it is already in the subject db */
if ( isperm == PR_FALSE ) {
/* enter into the subject index */
rv = AddTempCertToSubjectList(cert);
if ( rv != SECSuccess ) {
goto loser;
}
/*
* Since it's not a perm cert, add it to the key hash lookup; if it
* is permanent it will either already be there or will get put there
* later along with the rest of the perm certs. A failure of the
* addition does not seem to warrant failing this whole function,
* so we intentionally ignore the returned status.
*/
(void) AddCertToSPKDigestTable(handle, cert);
} else {
cert->subjectList = FindSubjectList(cert->dbhandle, &cert->derSubject,
PR_FALSE);
}
rv = EncodeDBCertKey(&cert->certKey, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
key.data = keyitem.data;
key.size = keyitem.len;
/* enter into main db */
status = certdb_Put(handle->tempCertDB, &key, &data, R_NOOVERWRITE);
if ( status ) {
goto loser;
}
if ( cert->nickname ) {
status = SEC_AddTempNickname(handle, cert->nickname,
&cert->derSubject);
if ( status ) {
promoteError = PR_FALSE;
goto loser;
}
}
cert->isperm = isperm;
cert->istemp = PR_TRUE;
PORT_FreeArena(arena, PR_FALSE);
winner:
if ( lockdb ) {
CERT_UnlockDB(handle);
}
return(cert);
loser:
if ( cert ) {
CERT_DestroyCertificateNoLocking(cert);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
if ( promoteError ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
}
if ( lockdb ) {
CERT_UnlockDB(handle);
}
return(0);
}
/*
* Decode a certificate and enter it into the temporary certificate database.
* Deal with nicknames correctly
*
* nickname is only used if isperm == PR_TRUE
*
* This is the public entry point and does locking.
*/
CERTCertificate *
__CERT_NewTempCertificate(CERTCertDBHandle *handle, SECItem *derCert,
char *nickname, PRBool isperm, PRBool copyDER)
{
return( NewTempCertificate(handle, derCert, nickname, isperm, copyDER,
PR_TRUE) );
}
CERTCertificate *
CERT_NewTempCertificate(CERTCertDBHandle *handle, SECItem *derCert,
char *nickname, PRBool isperm, PRBool copyDER)
{
return( __CERT_NewTempCertificate(handle, derCert, nickname,
isperm, copyDER) );
}
/*
* Decode a permanent certificate and enter it into the temporary certificate
* database.
*/
static CERTCertificate *
SEC_AddPermCertToTemp(CERTCertDBHandle *handle, certDBEntryCert *entry)
{
CERTCertificate *cert;
/* we already hold the lock */
cert = NewTempCertificate(handle, &entry->derCert, entry->nickname,
PR_TRUE, PR_TRUE, PR_FALSE);
if ( !cert ) {
return(0);
}
cert->dbEntry = entry;
cert->trust = &entry->trust;
return(cert);
}
SECStatus
CERT_DeleteTempCertificate(CERTCertificate *cert)
{
SECStatus rv;
DBT nameKey;
CERTCertDBHandle *handle;
SECItem keyitem;
PRArenaPool *arena;
int ret;
handle = cert->dbhandle;
if ( !cert->istemp ) {
return(SECSuccess);
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
if (cert->slot) {
PK11_FreeSlot(cert->slot);
cert->slot = NULL;
cert->pkcs11ID = CK_INVALID_KEY;
}
/* delete from subject list (also takes care of nickname) */
rv = RemoveTempCertFromSubjectList(cert);
if ( rv != SECSuccess ) {
goto loser;
}
if ( !cert->isperm ) {
/*
* Remove the cert from the subject public key digest table,
* though we do not care if the removal fails (perhaps meaning
* the cert wasn't even there).
*/
(void) RemoveCertFromSPKDigestTable(handle, cert);
}
rv = EncodeDBCertKey(&cert->certKey, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
nameKey.data = keyitem.data;
nameKey.size = keyitem.len;
/* delete the cert */
ret = certdb_Del(handle->tempCertDB, &nameKey, 0);
if ( ret ) {
goto loser;
}
cert->istemp = PR_FALSE;
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Lookup a certificate in the databases.
*/
static CERTCertificate *
FindCertByKey(CERTCertDBHandle *handle, SECItem *certKey, PRBool lockdb)
{
DBT tmpdata;
int ret;
SECItem keyitem;
DBT key;
SECStatus rv;
CERTCertificate *cert = NULL;
PRArenaPool *arena = NULL;
certDBEntryCert *entry;
PRBool locked = PR_FALSE;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBCertKey(certKey, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
key.data = keyitem.data;
key.size = keyitem.len;
if ( lockdb ) {
locked = PR_TRUE;
CERT_LockDB(handle);
}
/* lookup in the temporary database */
ret = certdb_Get( handle->tempCertDB, &key, &tmpdata, 0 );
/* error accessing the database */
if ( ret < 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
if ( ret == 0 ) { /* found in temp database */
if ( tmpdata.size != sizeof(CERTCertificate *) ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
PORT_Memcpy(&cert, tmpdata.data, tmpdata.size);
CERT_LockCertRefCount(cert);
cert->referenceCount++;
CERT_UnlockCertRefCount(cert);
}
if ( ret != 0 ) {
/* not found in temporary database */
/* find in perm database */
entry = SEC_FindPermCertByKey(handle, certKey);
if ( entry == NULL ) {
goto loser;
}
cert = SEC_AddPermCertToTemp(handle, entry);
}
loser:
if ( locked ) {
CERT_UnlockDB(handle);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(cert);
}
/*
* Lookup a certificate in the databases, with locking
*/
CERTCertificate *
CERT_FindCertByKey(CERTCertDBHandle *handle, SECItem *certKey)
{
return(FindCertByKey(handle, certKey, PR_TRUE));
}
/*
* Lookup a certificate in the databases without locking
*/
CERTCertificate *
CERT_FindCertByKeyNoLocking(CERTCertDBHandle *handle, SECItem *certKey)
{
return(FindCertByKey(handle, certKey, PR_FALSE));
}
/*
* Generate a key from an issuerAndSerialNumber, and find the
* associated cert in the database.
*/
CERTCertificate *
CERT_FindCertByIssuerAndSN(CERTCertDBHandle *handle, CERTIssuerAndSN *issuerAndSN)
{
SECItem certKey;
CERTCertificate *cert;
certKey.len = issuerAndSN->serialNumber.len + issuerAndSN->derIssuer.len;
certKey.data = (unsigned char*)PORT_Alloc(certKey.len);
if ( certKey.data == NULL ) {
return(0);
}
/* copy the serialNumber */
PORT_Memcpy(certKey.data, issuerAndSN->serialNumber.data,
issuerAndSN->serialNumber.len);
/* copy the issuer */
PORT_Memcpy( &certKey.data[issuerAndSN->serialNumber.len],
issuerAndSN->derIssuer.data, issuerAndSN->derIssuer.len);
cert = CERT_FindCertByKey(handle, &certKey);
PORT_Free(certKey.data);
return(cert);
}
/*
* Lookup a certificate in the database by name
*/
CERTCertificate *
CERT_FindCertByName(CERTCertDBHandle *handle, SECItem *name)
{
CERTCertificate *cert = NULL;
CERTSubjectList *subjectList;
CERT_LockDB(handle);
subjectList = FindSubjectList(handle, name, PR_FALSE);
if ( subjectList ) {
PORT_Assert(subjectList->head);
cert = CERT_FindCertByKeyNoLocking(handle,
&subjectList->head->certKey);
}
CERT_UnlockDB(handle);
return(cert);
}
/*
* Lookup a certificate in the database by name and key ID
*/
CERTCertificate *
CERT_FindCertByKeyID(CERTCertDBHandle *handle, SECItem *name, SECItem *keyID)
{
CERTCertificate *cert = NULL;
CERTSubjectList *subjectList;
CERTSubjectNode *node;
CERT_LockDB(handle);
/* find the list of certs for the given subject */
subjectList = FindSubjectList(handle, name, PR_FALSE);
if ( subjectList ) {
PORT_Assert(subjectList->head);
node = subjectList->head;
/* walk through the certs until we find one with a matching key ID */
while ( node ) {
if ( SECITEM_CompareItem(keyID, &node->keyID) == SECEqual ) {
cert = CERT_FindCertByKeyNoLocking(handle, &node->certKey);
break;
}
node = node->next;
}
}
CERT_UnlockDB(handle);
return(cert);
}
/*
* look up a cert by its nickname string
*/
CERTCertificate *
CERT_FindCertByNickname(CERTCertDBHandle *handle, char *nickname)
{
DBT tmpdata;
DBT namekey;
CERTCertificate *cert;
SECStatus rv;
int ret;
SECItem keyitem;
PRArenaPool *arena = NULL;
certDBEntryCert *entry;
PORT_Assert(nickname != NULL);
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBNicknameKey(nickname, arena, &keyitem);
if ( rv != SECSuccess ) {
goto loser;
}
namekey.data = keyitem.data;
namekey.size = keyitem.len;
/* lookup in the temporary database */
ret = certdb_Get(handle->tempCertDB, &namekey, &tmpdata, 0);
/* error accessing the database */
if ( ret < 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
if ( ret == 0 ) { /* found in temp database */
SECItem nameitem;
nameitem.len = tmpdata.size;
nameitem.data = (unsigned char *)PORT_Alloc(tmpdata.size);
if ( nameitem.data == NULL ) {
goto loser;
}
PORT_Memcpy(nameitem.data, tmpdata.data, nameitem.len);
cert = CERT_FindCertByName(handle, &nameitem);
PORT_Free(nameitem.data);
} else { /* not found in temporary database */
CERT_LockDB(handle);
entry = SEC_FindPermCertByNickname(handle, nickname);
if ( entry == NULL ) {
CERT_UnlockDB(handle);
goto loser;
}
cert = SEC_AddPermCertToTemp(handle, entry);
CERT_UnlockDB(handle);
}
PORT_FreeArena(arena, PR_FALSE);
return(cert);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(0);
}
/*
* look for the given DER certificate in the database
*/
CERTCertificate *
CERT_FindCertByDERCert(CERTCertDBHandle *handle, SECItem *derCert)
{
PRArenaPool *arena;
SECItem certKey;
SECStatus rv;
CERTCertificate *cert = NULL;
/* create a scratch arena */
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
return(NULL);
}
/* extract the database key from the cert */
rv = CERT_KeyFromDERCert(arena, derCert, &certKey);
if ( rv != SECSuccess ) {
goto loser;
}
/* find the certificate */
cert = CERT_FindCertByKey(handle, &certKey);
loser:
PORT_FreeArena(arena, PR_FALSE);
return(cert);
}
/*
* look for the given DER certificate in the database
*/
CERTCertificate *
CERT_FindCertByDERCertNoLocking(CERTCertDBHandle *handle, SECItem *derCert)
{
PRArenaPool *arena;
SECItem certKey;
SECStatus rv;
CERTCertificate *cert = NULL;
/* create a scratch arena */
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
return(NULL);
}
/* extract the database key from the cert */
rv = CERT_KeyFromDERCert(arena, derCert, &certKey);
if ( rv != SECSuccess ) {
goto loser;
}
/* find the certificate */
cert = CERT_FindCertByKeyNoLocking(handle, &certKey);
loser:
PORT_FreeArena(arena, PR_FALSE);
return(cert);
}
/*
* The following is bunch of types and code to allow looking up a certificate
* by a hash of its subject public key. Because the words "hash" and "key"
* are overloaded and thus terribly confusing, I tried to disambiguate things.
* - Where I could, I used "digest" instead of "hash" when referring to
* hashing of the subject public key. The PLHashTable interfaces and
* our own HASH_Foo interfaces had to be left as is, obviously. The latter
* should be thought of as "digest" in this case.
* - There are three keys in use here -- the subject public key, the key
* used to do a lookup in the PLHashTable, and the key used to do a lookup
* in the cert database. As the latter is a fairly pervasive interface,
* I left it alone. The other two uses I changed to "spk" or "SPK" when
* referring to the subject public key, and "index" when referring to the
* key into the PLHashTable.
*/
typedef struct SPKDigestInfoStr {
PLHashTable *table;
PRBool permPopulated;
} SPKDigestInfo;
/*
* Since the key hash information is "hidden" (in a void pointer in the handle)
* these macros with the appropriate casts make it easy to get at the parts.
*/
#define SPK_DIGEST_TABLE(handle) \
(((SPKDigestInfo *)(handle->spkDigestInfo))->table)
/*
** Hash allocator ops for the SPKDigest hash table. The rules are:
** + The index and value fields are "owned" by the hash table, and are
** freed when the table entry is deleted.
** + Replacing a value in the table is not allowed, since the caller can't
** tell whether the index field was used or not, resulting in a memory
** leak. (This is a bug in the PL_Hash routines.
*/
static void * PR_CALLBACK
spkAllocTable(void *pool, PRSize size)
{
#if defined(XP_MAC)
#pragma unused (pool)
#endif
return PR_MALLOC(size);
}
static void PR_CALLBACK
spkFreeTable(void *pool, void *item)
{
#if defined(XP_MAC)
#pragma unused (pool)
#endif
PR_Free(item);
}
/* NOTE: the key argument here appears to be useless, since the RawAdd
* routine in PL_Hash just uses the original anyway.
*/
static PLHashEntry * PR_CALLBACK
spkAllocEntry(void *pool, const void *key)
{
#if defined(XP_MAC)
#pragma unused (pool,key)
#endif
return PR_NEW(PLHashEntry);
}
static void PR_CALLBACK
spkFreeEntry(void *pool, PLHashEntry *he, PRUintn flag)
{
#if defined(XP_MAC)
#pragma unused (pool)
#endif
SECItem *value = (SECItem *)he->value;
/* The flag should always be to free the whole entry. Otherwise the
* index field gets leaked because the caller can't tell whether
* the "new" value (which is the same as the old) was used or not.
*/
PORT_Assert(flag == HT_FREE_ENTRY);
/* We always free the value */
SECITEM_FreeItem(value, PR_TRUE);
if (flag == HT_FREE_ENTRY)
{
/* Comes from BTOA, is this the right free call? */
PORT_Free((char *)he->key);
PR_Free(he);
}
}
static PLHashAllocOps spkHashAllocOps = {
spkAllocTable, spkFreeTable,
spkAllocEntry, spkFreeEntry
};
/*
* Create the key hash lookup table. Note that the table, and the
* structure which holds it and a little more information, is never freed.
* This is because the temporary database is never actually closed out,
* so there is no safe/obvious place to free the whole thing.
*
* The database must be locked already.
*/
static SECStatus
InitDBspkDigestInfo(CERTCertDBHandle *handle)
{
SPKDigestInfo *spkDigestInfo;
PLHashTable *table;
PORT_Assert(handle != NULL);
PORT_Assert(handle->spkDigestInfo == NULL);
spkDigestInfo = PORT_ZAlloc(sizeof(SPKDigestInfo));
if ( spkDigestInfo == NULL ) {
return(SECFailure);
}
table = PL_NewHashTable(128, PL_HashString, PL_CompareStrings,
(PLHashComparator) SECITEM_ItemsAreEqual,
&spkHashAllocOps, NULL);
if ( table == NULL ) {
PORT_Free(spkDigestInfo);
return(SECFailure);
}
spkDigestInfo->table = table;
handle->spkDigestInfo = spkDigestInfo;
return(SECSuccess);
}
static const SECHashObject *
OidTagToRawDigestObject(SECOidTag digestAlg)
{
const SECHashObject *rawDigestObject;
switch (digestAlg) {
case SEC_OID_MD2:
rawDigestObject = &SECRawHashObjects[HASH_AlgMD2];
break;
case SEC_OID_MD5:
rawDigestObject = &SECRawHashObjects[HASH_AlgMD5];
break;
case SEC_OID_SHA1:
rawDigestObject = &SECRawHashObjects[HASH_AlgSHA1];
break;
default:
PORT_SetError(SEC_ERROR_INVALID_ALGORITHM);
rawDigestObject = NULL;
break;
}
return(rawDigestObject);
}
/*
* Digest the cert's subject public key using the specified algorithm.
* The necessary storage for the digest data is allocated. If "fill" is
* non-null, the data is put there, otherwise a SECItem is allocated.
* Allocation from "arena" if it is non-null, heap otherwise. Any problem
* results in a NULL being returned (and an appropriate error set).
*/
SECItem *
CERT_SPKDigestValueForCert(PRArenaPool *arena, CERTCertificate *cert,
SECOidTag digestAlg, SECItem *fill)
{
const SECHashObject *digestObject;
void *digestContext;
SECItem *result = NULL;
void *mark = NULL;
SECItem spk;
if ( arena != NULL ) {
mark = PORT_ArenaMark(arena);
}
/*
* This can end up being called before PKCS #11 is initialized,
* so we have to use the raw digest functions.
*/
digestObject = OidTagToRawDigestObject(digestAlg);
if ( digestObject == NULL ) {
goto loser;
}
result = SECITEM_AllocItem(arena, fill, digestObject->length);
if ( result == NULL ) {
goto loser;
}
/*
* Copy just the length and data pointer (nothing needs to be freed)
* of the subject public key so we can convert the length from bits
* to bytes, which is what the digest function expects.
*/
spk = cert->subjectPublicKeyInfo.subjectPublicKey;
DER_ConvertBitString(&spk);
/*
* Now digest the value, using the specified algorithm.
*/
digestContext = digestObject->create();
if ( digestContext == NULL ) {
goto loser;
}
digestObject->begin(digestContext);
digestObject->update(digestContext, spk.data, spk.len);
digestObject->end(digestContext, result->data, &(result->len), result->len);
digestObject->destroy(digestContext, PR_TRUE);
if ( arena != NULL ) {
PORT_ArenaUnmark(arena, mark);
}
return(result);
loser:
if ( arena != NULL ) {
PORT_ArenaRelease(arena, mark);
} else {
if ( result != NULL ) {
SECITEM_FreeItem(result, (fill == NULL) ? PR_TRUE : PR_FALSE);
}
}
return(NULL);
}
/*
* Return the index for the spk digest lookup table for "spkDigest".
*
* Caller is responsible for freeing the returned string.
*/
static char *
spkDigestIndexFromDigest(SECItem *spkDigest)
{
return BTOA_ConvertItemToAscii(spkDigest);
}
/*
* Return the index for the spk digest lookup table for this certificate,
* based on the specified digest algorithm.
*
* Caller is responsible for freeing the returned string.
*/
static char *
spkDigestIndexFromCert(CERTCertificate *cert, SECOidTag digestAlg)
{
SECItem *spkDigest;
char *index;
spkDigest = CERT_SPKDigestValueForCert(NULL, cert, digestAlg, NULL);
if ( spkDigest == NULL )
return(NULL);
index = spkDigestIndexFromDigest(spkDigest);
SECITEM_FreeItem(spkDigest, PR_TRUE);
return(index);
}
/*
* Remove the spk digest for the given cert from the spk digest table,
* based on the given digest algorithm.
*
* The database must be locked already.
*/
static SECStatus
RemoveCertFromSPKDigestTableForAlg(CERTCertDBHandle *handle,
CERTCertificate *cert, SECOidTag digestAlg)
{
SECStatus rv = SECSuccess;
char *index = NULL;
PLHashTable *table;
/* Expect to only be called if there is a table to work with. */
PORT_Assert(handle->spkDigestInfo != NULL);
table = SPK_DIGEST_TABLE(handle);
PORT_Assert(table != NULL);
index = spkDigestIndexFromCert(cert, digestAlg);
if ( index == NULL ) {
rv = SECFailure;
goto done;
}
if ( PL_HashTableRemove(table, index) != PR_TRUE ) {
/* not found means nothing to remove, which is fine */
}
done:
if ( index != NULL ) {
PORT_Free(index);
}
return(rv);
}
/*
* Remove the spk digests for the given cert from the spk digest table,
* for all known digest algorithms.
*
* The database must be locked already.
*/
static SECStatus
RemoveCertFromSPKDigestTable(CERTCertDBHandle *handle, CERTCertificate *cert)
{
/*
* If no certs have been added yet, then nothing to do.
*/
if ( handle->spkDigestInfo == NULL ) {
return(SECSuccess);
}
(void) RemoveCertFromSPKDigestTableForAlg(handle, cert, SEC_OID_MD2);
(void) RemoveCertFromSPKDigestTableForAlg(handle, cert, SEC_OID_MD5);
return RemoveCertFromSPKDigestTableForAlg(handle, cert, SEC_OID_SHA1);
}
/*
* Add the spk digest for the given cert to the spk digest table,
* based on the given digest algorithm.
*
* If a cert for the same spk digest is already in the table, choose whichever
* cert is "newer". (The other cert cannot be found via spk digest.)
*
* The database must be locked already.
*
* XXX Note that this implementation results in leaking the index value.
* Fixing that did not seem worth the trouble, given we will only leak
* once per cert. This whole thing should be done differently in the
* new rewrite (Stan), and then the problem will go away.
*/
static SECStatus
AddCertToSPKDigestTableForAlg(CERTCertDBHandle *handle, CERTCertificate *cert,
SECItem *certDBKey, SECOidTag digestAlg)
{
SECStatus rv = SECFailure;
SECItem *oldCertDBKey;
PRBool addit = PR_TRUE;
CERTCertificate *oldCert = NULL;
char *index = NULL;
PLHashTable *table;
/*
* After running some testing doing key hash lookups (like using OCSP),
* if these are never hit, they can probably be removed.
*/
PORT_Assert(handle != NULL);
PORT_Assert(handle == cert->dbhandle);
PORT_Assert(handle->spkDigestInfo != NULL);
PORT_Assert((certDBKey == &cert->certKey)
|| (SECITEM_CompareItem(certDBKey,
&cert->certKey) == SECEqual));
table = SPK_DIGEST_TABLE(handle);
PORT_Assert(table != NULL);
index = spkDigestIndexFromCert(cert, digestAlg);
if ( index == NULL ) {
goto loser;
}
/*
* See if this cert's spk digest is already in the table.
*/
oldCertDBKey = PL_HashTableLookup(table, index);
if ( oldCertDBKey != NULL ) {
/*
* The spk digest *is* already in the table. We need to find that
* cert and see -- if it is the same, then we can just leave as is.
* Otherwise we have to choose which cert we want represented;
* in that case the best plan I can think of is to hang onto the
* most recent one.
*/
oldCert = CERT_FindCertByKey(handle, oldCertDBKey);
if ( oldCert != NULL ) {
if ( cert == oldCert ) {
/* They are the same cert, so we are done. */
addit = PR_FALSE;
} else if ( CERT_IsNewer(cert, oldCert) ) {
if ( PL_HashTableRemove(table, index) != PR_TRUE ) {
goto loser;
}
} else {
/* oldCert is "newer", so we are done. */
addit = PR_FALSE;
}
}
}
if ( addit ) {
certDBKey = SECITEM_DupItem(certDBKey);
if ( certDBKey == NULL ) {
goto loser;
}
if ( PL_HashTableAdd(table, index, certDBKey) == NULL ) {
SECITEM_FreeItem(certDBKey, PR_TRUE);
PORT_SetError(SEC_ERROR_NO_MEMORY);
goto loser;
}
index = NULL; /* don't want to free it */
}
rv = SECSuccess;
loser:
if ( index != NULL ) {
PORT_Free(index);
}
if ( oldCert != NULL ) {
CERT_DestroyCertificate(oldCert);
}
return(rv);
}
/*
* Add the spk digest for the given cert to the spk digest table,
* for all known digest algorithms.
*
* The database must be locked already, and the digest table already created.
*/
static SECStatus
AddCertToSPKDigestTableForAllAlgs(CERTCertDBHandle *handle,
CERTCertificate *cert, SECItem *certDBKey)
{
(void) AddCertToSPKDigestTableForAlg(handle, cert, certDBKey, SEC_OID_MD2);
(void) AddCertToSPKDigestTableForAlg(handle, cert, certDBKey, SEC_OID_MD5);
return AddCertToSPKDigestTableForAlg(handle, cert, certDBKey, SEC_OID_SHA1);
}
/*
* Add the spk digests for the given cert to the spk digest table,
* for all known digest algorithms. (This function is called when a
* new cert is added to the temporary database.)
*
* If the spk digest table does not yet exist, create it.
*
* In an ideal world, we would not hardwire the digest algorithms.
* But it is the case that we do not currently support any digest
* algorithms outside of these three. In the newer, cleaned-up world,
* this may be done differently.
*
* The database must be locked already.
*/
static SECStatus
AddCertToSPKDigestTable(CERTCertDBHandle *handle, CERTCertificate *cert)
{
SECStatus rv;
if ( handle->spkDigestInfo == NULL ) {
rv = InitDBspkDigestInfo(handle);
if ( rv != SECSuccess ) {
return(rv);
}
}
return AddCertToSPKDigestTableForAllAlgs(handle, cert, &cert->certKey);
}
/*
* Add the spk digest for the given cert to the spk digest table,
* for all known digest algorithms. This function is called while
* traversing all of the certs in the permanent database -- since
* that imposes some constraints on its arguments this routine is a
* simple cover for the "real" interface.
*
* The database must be locked already, and the digest table already created.
*/
static SECStatus
AddCertToSPKDigestTableInTraversal(CERTCertificate *cert, SECItem *certDBKey,
void *data)
{
CERTCertDBHandle *handle = data;
return AddCertToSPKDigestTableForAllAlgs(handle, cert, certDBKey);
}
/*
* Add the spk digests for the all permanent certs to the spk digest table,
* for all known digest algorithms.
*
* This locks the database, and then checks to make sure that the work
* actually needs to get done.
*
* If the spk digest table does not yet exist, it is created.
*/
static SECStatus
PopulateSPKDigestTable(CERTCertDBHandle *handle)
{
SPKDigestInfo *spkDigestInfo;
SECStatus rv = SECSuccess;
CERT_LockDB(handle);
spkDigestInfo = handle->spkDigestInfo;
if ( spkDigestInfo == NULL ) {
rv = InitDBspkDigestInfo(handle);
if ( rv != SECSuccess ) {
return(rv);
}
spkDigestInfo = handle->spkDigestInfo;
PORT_Assert(spkDigestInfo != NULL);
} else {
/*
* Check to see if someone already did it; it is important to do
* this after getting the lock.
*/
if ( spkDigestInfo->permPopulated == PR_TRUE ) {
goto done;
}
}
rv = TraversePermCertsNoLocking(handle, AddCertToSPKDigestTableInTraversal,
handle);
if ( rv != SECSuccess ) {
goto done;
}
spkDigestInfo->permPopulated = PR_TRUE;
done:
CERT_UnlockDB(handle);
return(rv);
}
/*
* Lookup a certificate by a digest of a subject public key. If it is
* found, it is returned (and must then be destroyed by the caller).
* NULL is returned otherwise -- if there was a problem performing the
* lookup, an appropriate error is set (e.g. SEC_ERROR_NO_MEMORY);
* if the cert simply was not found, the error is SEC_ERROR_UNKNOWN_CERT.
*
* If the lookup table has not yet been created or populated, do that first.
*/
CERTCertificate *
CERT_FindCertBySPKDigest(CERTCertDBHandle *handle, SECItem *spkDigest)
{
SPKDigestInfo *spkDigestInfo;
char *index = NULL;
SECItem *certDBKey;
CERTCertificate *cert = NULL;
PORT_Assert(handle != NULL);
spkDigestInfo = handle->spkDigestInfo;
if ( spkDigestInfo == NULL || spkDigestInfo->permPopulated != PR_TRUE ) {
if ( PopulateSPKDigestTable(handle) != SECSuccess ) {
goto loser;
}
}
index = spkDigestIndexFromDigest(spkDigest);
if ( index == NULL ) {
goto loser;
}
certDBKey = PL_HashTableLookup(SPK_DIGEST_TABLE(handle), index);
if ( certDBKey != NULL ) {
cert = CERT_FindCertByKey(handle, certDBKey);
}
if ( cert == NULL ) {
PORT_SetError(SEC_ERROR_UNKNOWN_CERT);
}
loser:
if ( index != NULL ) {
PORT_Free(index);
}
return(cert);
}
static void
DestroyCertificate(CERTCertificate *cert, PRBool lockdb)
{
int refCount;
CERTCertDBHandle *handle;
if ( cert ) {
handle = cert->dbhandle;
/*
* handle may be NULL, for example if the cert was created with
* CERT_DecodeDERCertificate.
*/
if ( lockdb && handle ) {
CERT_LockDB(handle);
}
CERT_LockCertRefCount(cert);
PORT_Assert(cert->referenceCount > 0);
refCount = --cert->referenceCount;
CERT_UnlockCertRefCount(cert);
if ( ( refCount == 0 ) && !cert->keepSession ) {
certDBEntryCert *entry = cert->dbEntry;
PRArenaPool * arena = cert->arena;
if ( cert->istemp ) {
CERT_DeleteTempCertificate(cert);
}
if ( entry ) {
DestroyDBEntry((certDBEntry *)entry);
}
/* zero cert before freeing. Any stale references to this cert
* after this point will probably cause an exception. */
PORT_Memset(cert, 0, sizeof *cert);
cert = NULL;
/* free the arena that contains the cert. */
PORT_FreeArena(arena, PR_FALSE);
}
if ( lockdb && handle ) {
CERT_UnlockDB(handle);
}
}
return;
}
void
CERT_DestroyCertificate(CERTCertificate *cert)
{
DestroyCertificate(cert, PR_TRUE);
return;
}
void
CERT_DestroyCertificateNoLocking(CERTCertificate *cert)
{
DestroyCertificate(cert, PR_FALSE);
return;
}
/*
* cache a CRL from the permanent database into the temporary database
*/
CERTSignedCrl *
SEC_AddPermCrlToTemp(CERTCertDBHandle *handle, certDBEntryRevocation *entry)
{
CERTSignedCrl *crl = NULL;
DBT key;
DBT data;
int status;
PRArenaPool *arena = NULL;
SECItem keyitem;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
crl = CERT_DecodeDERCrl(NULL, &entry->derCrl,
entry->common.type == certDBEntryTypeRevocation ?
SEC_CRL_TYPE : SEC_KRL_TYPE);
if ( crl == NULL ) {
goto loser;
}
/* only save pointer to cert in database */
data.data = &crl;
data.size = sizeof(crl);
rv = EncodeDBGenericKey(&(crl->crl.derName), arena,
&keyitem, entry->common.type);
if ( rv != SECSuccess ) {
goto loser;
}
if (entry->url) {
int nnlen = PORT_Strlen(entry->url) + 1;
crl->url = (char *)PORT_ArenaAlloc(crl->arena, nnlen);
if ( !crl->url ) {
goto loser;
}
PORT_Memcpy(crl->url, entry->url, nnlen);
} else {
crl->url = NULL;
}
key.data = keyitem.data;
key.size = keyitem.len;
/* enter into main db */
status = certdb_Put(handle->tempCertDB, &key, &data, R_NOOVERWRITE);
if ( status ) {
goto loser;
}
crl->istemp = PR_TRUE;
crl->isperm = PR_TRUE;
crl->dbhandle = handle;
crl->dbEntry = entry;
PORT_FreeArena(arena, PR_FALSE);
crl->keep = PR_TRUE;
return(crl);
loser:
if ( crl ) {
SEC_DestroyCrl(crl);
}
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
PORT_SetError(SEC_ERROR_BAD_DATABASE);
return(0);
}
SECStatus
SEC_DeleteTempCrl(CERTSignedCrl *crl)
{
SECStatus rv;
DBT nameKey;
CERTCertDBHandle *handle;
SECItem keyitem;
PRArenaPool *arena;
int ret;
handle = crl->dbhandle;
if ( !crl->istemp ) {
return(SECSuccess);
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBGenericKey
(&crl->crl.derName, arena, &keyitem, crl->dbEntry->common.type);
if ( rv != SECSuccess ) {
goto loser;
}
nameKey.data = keyitem.data;
nameKey.size = keyitem.len;
/* delete the cert */
ret = certdb_Del(handle->tempCertDB, &nameKey, 0);
if ( ret ) {
goto loser;
}
crl->istemp = PR_FALSE;
PORT_FreeArena(arena, PR_FALSE);
return(SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
/*
* Lookup a CRL in the databases. We mirror the same fast caching data base
* caching stuff used by certificates....?
*/
CERTSignedCrl *
SEC_FindCrlByKey(CERTCertDBHandle *handle, SECItem *crlKey, int type)
{
DBT tmpdata;
int ret;
SECItem keyitem;
DBT key;
SECStatus rv;
CERTSignedCrl *crl = NULL;
PRArenaPool *arena = NULL;
certDBEntryRevocation *entry;
certDBEntryType crlType = (type == SEC_CRL_TYPE) ?
certDBEntryTypeRevocation : certDBEntryTypeKeyRevocation;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
rv = EncodeDBGenericKey(crlKey, arena, &keyitem, crlType);
if ( rv != SECSuccess ) {
goto loser;
}
key.data = keyitem.data;
key.size = keyitem.len;
/* lookup in the temporary database */
ret = certdb_Get( handle->tempCertDB, &key, &tmpdata, 0 );
/* error accessing the database */
if ( ret < 0 ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
if ( ret == 0 ) { /* found in temp database */
if ( tmpdata.size != sizeof(CERTSignedCrl *) ) {
PORT_SetError(SEC_ERROR_BAD_DATABASE);
goto loser;
}
PORT_Memcpy(&crl, tmpdata.data, tmpdata.size);
crl->referenceCount++;
} else { /* not found in temporary database */
/* find in perm database */
entry = ReadDBCrlEntry(handle, crlKey, crlType);
if ( entry == NULL ) {
goto loser;
}
crl = SEC_AddPermCrlToTemp(handle, entry);
}
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(crl);
}
CERTSignedCrl *
SEC_FindCrlByName(CERTCertDBHandle *handle, SECItem *crlKey, int type)
{
return SEC_FindCrlByKey(handle,crlKey,type);
}
CERTSignedCrl *
SEC_FindCrlByDERCert(CERTCertDBHandle *handle, SECItem *derCrl, int type)
{
PRArenaPool *arena;
SECItem crlKey;
SECStatus rv;
CERTSignedCrl *crl = NULL;
/* create a scratch arena */
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
return(NULL);
}
/* extract the database key from the cert */
rv = CERT_KeyFromDERCrl(arena, derCrl, &crlKey);
if ( rv != SECSuccess ) {
goto loser;
}
/* find the crl */
crl = SEC_FindCrlByKey(handle, &crlKey, type);
loser:
PORT_FreeArena(arena, PR_FALSE);
return(crl);
}
SECStatus
SEC_DestroyCrl(CERTSignedCrl *crl)
{
if (crl) {
if (crl->referenceCount-- <= 1) {
if (!crl->keep) {
SEC_DeleteTempCrl(crl);
if (crl->dbEntry) {
DestroyDBEntry((certDBEntry *)crl->dbEntry);
}
PORT_FreeArena(crl->arena, PR_FALSE);
}
}
}
return SECSuccess;
}
CERTSignedCrl *
cert_DBInsertCRL (CERTCertDBHandle *handle, char *url,
CERTSignedCrl *newCrl, SECItem *derCrl, int type)
{
CERTSignedCrl *oldCrl = NULL, *crl = NULL;
certDBEntryRevocation *entry = NULL;
PRArenaPool *arena = NULL;
SECCertTimeValidity validity;
certDBEntryType crlType = (type == SEC_CRL_TYPE) ?
certDBEntryTypeRevocation : certDBEntryTypeKeyRevocation;
SECStatus rv;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) goto done;
validity = SEC_CheckCrlTimes(&newCrl->crl,PR_Now());
if ( validity == secCertTimeExpired) {
if (type == SEC_CRL_TYPE) {
PORT_SetError(SEC_ERROR_CRL_EXPIRED);
} else {
PORT_SetError(SEC_ERROR_KRL_EXPIRED);
}
goto done;
} else if (validity == secCertTimeNotValidYet) {
if (type == SEC_CRL_TYPE) {
PORT_SetError(SEC_ERROR_CRL_NOT_YET_VALID);
} else {
PORT_SetError(SEC_ERROR_KRL_NOT_YET_VALID);
}
goto done;
}
oldCrl = SEC_FindCrlByKey(handle, &newCrl->crl.derName, type);
/* if there is an old crl, make sure the one we are installing
* is newer. If not, exit out, otherwise delete the old crl.
*/
if (oldCrl != NULL) {
if (!SEC_CrlIsNewer(&newCrl->crl,&oldCrl->crl)) {
if (type == SEC_CRL_TYPE) {
PORT_SetError(SEC_ERROR_OLD_CRL);
} else {
PORT_SetError(SEC_ERROR_OLD_KRL);
}
goto done;
}
if ((SECITEM_CompareItem(&newCrl->crl.derName,
&oldCrl->crl.derName) != SECEqual) &&
(type == SEC_KRL_TYPE) ) {
PORT_SetError(SEC_ERROR_CKL_CONFLICT);
goto done;
}
/* if we have a url in the database, use that one */
if (oldCrl->url) {
int nnlen = PORT_Strlen(oldCrl->url) + 1;
url = (char *)PORT_ArenaAlloc(arena, nnlen);
if ( url != NULL ) {
PORT_Memcpy(url, oldCrl->url, nnlen);
}
}
/* really destroy this crl */
/* first drum it out of the permanment Data base */
SEC_DeletePermCRL(oldCrl);
/* then get rid of our reference to it... */
SEC_DestroyCrl(oldCrl);
oldCrl = NULL;
}
/* Write the new entry into the data base */
entry = NewDBCrlEntry(derCrl, url, crlType, 0);
if (entry == NULL) goto done;
rv = WriteDBCrlEntry(handle, entry);
if (rv != SECSuccess) goto done;
crl = SEC_AddPermCrlToTemp(handle, entry);
if (crl) entry = NULL; /*crl->dbEntry now points to entry data */
crl->isperm = PR_TRUE;
done:
if (entry) DestroyDBEntry((certDBEntry *)entry);
if (arena) PORT_FreeArena(arena, PR_FALSE);
if (oldCrl) SEC_DestroyCrl(oldCrl);
return crl;
}
/*
* create a new CRL from DER material.
*
* The signature on this CRL must be checked before you
* load it. ???
*/
CERTSignedCrl *
SEC_NewCrl(CERTCertDBHandle *handle, char *url, SECItem *derCrl, int type)
{
CERTSignedCrl *newCrl = NULL, *crl = NULL;
/* make this decode dates! */
newCrl = CERT_DecodeDERCrl(NULL, derCrl, type);
if (newCrl == NULL) {
if (type == SEC_CRL_TYPE) {
PORT_SetError(SEC_ERROR_CRL_INVALID);
} else {
PORT_SetError(SEC_ERROR_KRL_INVALID);
}
goto done;
}
crl = cert_DBInsertCRL (handle, url, newCrl, derCrl, type);
done:
if (newCrl) PORT_FreeArena(newCrl->arena, PR_FALSE);
return crl;
}
/*
* replace the existing URL in the data base with a new one
*/
SECStatus
SEC_CrlReplaceUrl(CERTSignedCrl *crl,char *url) {
SECStatus rv = SECFailure;
certDBEntryRevocation *entry = NULL;
int nnlen=0;
SEC_DeletePermCRL(crl);
/* Write the new entry into the data base */
entry = NewDBCrlEntry(&crl->dbEntry->derCrl, url, crl->dbEntry->common.type, 0);
if (entry == NULL) goto done;
rv = WriteDBCrlEntry(crl->dbhandle, entry);
if (rv != SECSuccess) goto done;
if (url) {
nnlen = PORT_Strlen(url) + 1;
crl->url = (char *)PORT_ArenaAlloc(crl->arena, nnlen);
if ( !crl->url ) {
goto done;
}
PORT_Memcpy(crl->url, url, nnlen);
} else {
crl->url = NULL;
}
done:
return rv;
}
/*
* collect a linked list of CRL's
*/
static SECStatus CollectCrls(SECItem *dbdata, SECItem *dbkey,
certDBEntryType type, void *data) {
SECStatus rv;
certDBEntryRevocation entry;
SECItem entryitem;
PRArenaPool *arena = NULL;
CERTCrlHeadNode *head;
CERTCrlNode *new_node;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
goto loser;
}
head = (CERTCrlHeadNode *)data;
entry.common.version = (unsigned int)dbdata->data[0];
entry.common.type = (certDBEntryType)dbdata->data[1];
entry.common.flags = (unsigned int)dbdata->data[2];
entry.common.arena = arena;
entryitem.len = dbdata->len - SEC_DB_ENTRY_HEADER_LEN;
entryitem.data = &dbdata->data[SEC_DB_ENTRY_HEADER_LEN];
rv = DecodeDBCrlEntry(&entry, &entryitem);
if (rv != SECSuccess ) {
goto loser;
}
new_node = (CERTCrlNode *)PORT_ArenaAlloc(head->arena, sizeof(CERTCrlNode));
if (new_node == NULL) {
goto loser;
}
new_node->type = (entry.common.type == certDBEntryTypeRevocation) ?
SEC_CRL_TYPE : SEC_KRL_TYPE;
new_node->crl=CERT_DecodeDERCrl(head->arena,&entry.derCrl,new_node->type);
if (entry.url) {
int nnlen = PORT_Strlen(entry.url) + 1;
new_node->crl->url = (char *)PORT_ArenaAlloc(head->arena, nnlen);
if ( !new_node->crl->url ) {
goto loser;
}
PORT_Memcpy(new_node->crl->url, entry.url, nnlen);
} else {
new_node->crl->url = NULL;
}
new_node->next = NULL;
if (head->last) {
head->last->next = new_node;
head->last = new_node;
} else {
head->first = head->last = new_node;
}
return (SECSuccess);
loser:
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return(SECFailure);
}
SECStatus
SEC_LookupCrls(CERTCertDBHandle *handle, CERTCrlHeadNode **nodes, int type)
{
CERTCrlHeadNode *head;
PRArenaPool *arena = NULL;
SECStatus rv;
*nodes = NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( arena == NULL ) {
return SECFailure;
}
/* build a head structure */
head = (CERTCrlHeadNode *)PORT_ArenaAlloc(arena, sizeof(CERTCrlHeadNode));
head->arena = arena;
head->first = NULL;
head->last = NULL;
head->dbhandle = handle;
/* Look up the proper crl types */
*nodes = head;
CERT_LockDB(handle);
switch (type) {
case SEC_CRL_TYPE:
rv = SEC_TraverseDBEntries(handle, certDBEntryTypeRevocation,
CollectCrls, (void *)head);
break;
case SEC_KRL_TYPE:
rv = SEC_TraverseDBEntries(handle, certDBEntryTypeKeyRevocation,
CollectCrls, (void *)head);
break;
case -1:
rv = SEC_TraverseDBEntries(handle, certDBEntryTypeKeyRevocation,
CollectCrls, (void *)head);
if (rv != SECSuccess) break;
rv = SEC_TraverseDBEntries(handle, certDBEntryTypeRevocation,
CollectCrls, (void *)head);
break;
default:
rv = SECFailure;
break;
}
CERT_UnlockDB(handle);
if (rv != SECSuccess) {
if ( arena ) {
PORT_FreeArena(arena, PR_FALSE);
*nodes = NULL;
}
}
return rv;
}
SECStatus
SEC_DeletePermCRL(CERTSignedCrl *crl) {
SECStatus rv;
if (crl == NULL) {
return SECFailure;
}
rv = DeleteDBCrlEntry(crl->dbhandle, &crl->crl.derName,
crl->dbEntry->common.type);
if (rv != SECSuccess) goto done;
/* now force it to be freed when all the reference counts go */
crl->keep = PR_FALSE;
/* force it out of the temporary data base */
SEC_DeleteTempCrl(crl);
done:
return rv;
}
/*
* find a cert by email address
*
* pick one that is a valid recipient, meaning that it is an encryption
* cert.
*
*/
static CERTCertificate*
find_smime_recipient_cert(CERTCertDBHandle* handle, const char* email_addr)
{
CERTCertificate* cert = NULL;
CERTCertList* certList = NULL;
SECStatus rv;
certList = CERT_CreateEmailAddrCertList(NULL, handle, (char*)email_addr,
PR_Now(), PR_TRUE);
if (certList == NULL) {
return NULL;
}
rv = CERT_FilterCertListByUsage(certList, certUsageEmailRecipient,
PR_FALSE);
if (!CERT_LIST_END(CERT_LIST_HEAD(certList), certList)) {
cert = CERT_DupCertificate(CERT_LIST_HEAD(certList)->cert);
}
CERT_DestroyCertList(certList);
return cert; /* cert may point to a cert or may be NULL */
}
/*
* This function has the logic that decides if another person's cert and
* email profile from an S/MIME message should be saved. It can deal with
* the case when there is no profile.
*/
SECStatus
CERT_SaveSMimeProfile(CERTCertificate *cert, SECItem *emailProfile,
SECItem *profileTime)
{
certDBEntrySMime *entry = NULL, *oldentry = NULL;
int64 oldtime;
int64 newtime;
SECStatus rv;
CERTCertificate *oldcert = NULL;
PRBool saveit;
CERTCertTrust trust;
CERTCertTrust tmptrust;
char *emailAddr;
emailAddr = cert->emailAddr;
PORT_Assert(emailAddr);
if ( emailAddr == NULL ) {
goto loser;
}
saveit = PR_FALSE;
oldcert = find_smime_recipient_cert(cert->dbhandle, emailAddr);
if (oldcert) {
/* see if there is an entry already */
oldentry = ReadDBSMimeEntry(cert->dbhandle, emailAddr);
}
/* both profileTime and emailProfile have to exist or not exist */
if ( emailProfile == NULL ) {
profileTime = NULL;
} else if ( profileTime == NULL ) {
emailProfile = NULL;
}
if ( oldentry == NULL ) {
/* no old entry for this address */
PORT_Assert(oldcert == NULL);
saveit = PR_TRUE;
} else {
/* there was already a profile for this email addr */
if ( profileTime ) {
/* we have an old and new profile - save whichever is more recent*/
if ( oldentry->optionsDate.len == 0 ) {
/* always replace if old entry doesn't have a time */
oldtime = LL_MININT;
} else {
rv = DER_UTCTimeToTime(&oldtime, &oldentry->optionsDate);
if ( rv != SECSuccess ) {
goto loser;
}
}
rv = DER_UTCTimeToTime(&newtime, profileTime);
if ( rv != SECSuccess ) {
goto loser;
}
if ( LL_CMP(newtime, >, oldtime ) ) {
/* this is a newer profile, save it and cert */
saveit = PR_TRUE;
}
} else {
/* we don't have a new profile or time */
if ( oldentry->optionsDate.len == 0 ) {
/* the old entry doesn't have a time either, so compare certs*/
if ( CERT_IsNewer(cert, oldcert) ) {
/* new cert is newer, use it instead */
saveit = PR_TRUE;
}
} else {
if (oldcert) {
if (CERT_IsNewer(cert, oldcert)) {
saveit = PR_TRUE;
}
} else {
saveit = PR_TRUE;
}
}
}
}
if ( saveit ) {
if ( oldcert && ( oldcert != cert ) ) {
/* old cert is different from new cert */
if ( PORT_Memcmp(oldcert->trust, &trust, sizeof(trust)) == 0 ) {
/* old cert is only for e-mail, so delete it */
SEC_DeletePermCertificate(oldcert);
} else {
/* old cert is for other things too, so just change trust */
tmptrust = *oldcert->trust;
tmptrust.emailFlags &= ( ~CERTDB_VALID_PEER );
rv = CERT_ChangeCertTrust(oldcert->dbhandle, oldcert,
&tmptrust);
if ( rv != SECSuccess ) {
goto loser;
}
}
}
/* Subroutine */
/* now save the entry */
entry = NewDBSMimeEntry(emailAddr, &cert->derSubject, emailProfile,
profileTime, 0);
if ( entry == NULL ) {
goto loser;
}
CERT_LockDB(cert->dbhandle);
rv = DeleteDBSMimeEntry(cert->dbhandle, emailAddr);
/* if delete fails, try to write new entry anyway... */
rv = WriteDBSMimeEntry(cert->dbhandle, entry);
if ( rv != SECSuccess ) {
CERT_UnlockDB(cert->dbhandle);
goto loser;
}
/* link subject entry back here */
rv = UpdateSubjectWithEmailAddr(cert, emailAddr);
if ( rv != SECSuccess ) {
CERT_UnlockDB(cert->dbhandle);
goto loser;
}
CERT_UnlockDB(cert->dbhandle);
/* End Subroutine */
}
rv = SECSuccess;
goto done;
loser:
rv = SECFailure;
done:
if ( oldcert ) {
CERT_DestroyCertificate(oldcert);
}
if ( entry ) {
DestroyDBEntry((certDBEntry *)entry);
}
if ( oldentry ) {
DestroyDBEntry((certDBEntry *)oldentry);
}
return(rv);
}
CERTCertificate *
CERT_FindCertByEmailAddr(CERTCertDBHandle *handle, char *emailAddr)
{
certDBEntrySMime *entry;
CERTCertificate *cert = NULL;
emailAddr = CERT_FixupEmailAddr(emailAddr);
if ( emailAddr == NULL ) {
return(NULL);
}
entry = ReadDBSMimeEntry(handle, emailAddr);
/* XXX - this will have to change when multiple certs per subject
* are allowed
*/
if ( entry != NULL ) {
cert = CERT_FindCertByName(handle, &entry->subjectName);
}
if ( entry ) {
DestroyDBEntry((certDBEntry *)entry);
}
PORT_Free(emailAddr);
return(cert);
}
/*
* find the smime symmetric capabilities profile for a given cert
*/
SECItem *
CERT_FindSMimeProfile(CERTCertificate *cert)
{
certDBEntrySMime *entry;
SECItem *retitem = NULL;
PORT_Assert(cert->emailAddr != NULL);
if ( cert->emailAddr == NULL ) {
return(NULL);
}
entry = ReadDBSMimeEntry(cert->dbhandle, cert->emailAddr);
if ( entry ) {
/* May not be for this cert... */
if (SECITEM_ItemsAreEqual(&cert->derSubject, &entry->subjectName))
retitem = SECITEM_DupItem(&entry->smimeOptions);
DestroyDBEntry((certDBEntry *)entry);
}
return(retitem);
}
CERTCertificate *
CERT_FindCertByNicknameOrEmailAddr(CERTCertDBHandle *handle, char *name)
{
CERTCertificate *cert;
cert = CERT_FindCertByNickname(handle, name);
if ( cert == NULL ) {
cert = CERT_FindCertByEmailAddr(handle, name);
}
return(cert);
}
PRBool
CERT_IsCertRevoked(CERTCertificate *cert)
{
return(PR_FALSE);
}
CERTCertificate *
CERT_NextSubjectCert(CERTCertificate *cert)
{
CERTSubjectNode *node;
CERTCertificate *retcert = NULL;
CERT_LockDB(cert->dbhandle);
node = FindCertSubjectNode(cert);
PORT_Assert(node != NULL);
if ( node->next != NULL ) {
retcert = CERT_FindCertByKeyNoLocking(cert->dbhandle,
&node->next->certKey);
}
CERT_UnlockDB(cert->dbhandle);
return(retcert);
}
CERTCertificate *
CERT_PrevSubjectCert(CERTCertificate *cert)
{
CERTSubjectNode *node;
CERTCertificate *retcert = NULL;
CERT_LockDB(cert->dbhandle);
node = FindCertSubjectNode(cert);
PORT_Assert(node != NULL);
if ( node->prev != NULL ) {
retcert = CERT_FindCertByKeyNoLocking(cert->dbhandle,
&node->prev->certKey);
}
CERT_UnlockDB(cert->dbhandle);
return(retcert);
}
SECStatus
CERT_SaveImportedCert(CERTCertificate *cert, SECCertUsage usage,
PRBool caOnly, char *nickname)
{
SECStatus rv;
PRBool saveit;
CERTCertTrust trust;
CERTCertTrust tmptrust;
PRBool isCA;
unsigned int certtype;
PRBool freeNickname = PR_FALSE;
isCA = CERT_IsCACert(cert, NULL);
if ( caOnly && ( !isCA ) ) {
return(SECSuccess);
}
saveit = PR_TRUE;
PORT_Memset((void *)&trust, 0, sizeof(trust));
certtype = cert->nsCertType;
/* if no CA bits in cert type, then set all CA bits */
if ( isCA && ( ! ( certtype & NS_CERT_TYPE_CA ) ) ) {
certtype |= NS_CERT_TYPE_CA;
}
/* if no app bits in cert type, then set all app bits */
if ( ( !isCA ) && ( ! ( certtype & NS_CERT_TYPE_APP ) ) ) {
certtype |= NS_CERT_TYPE_APP;
}
if ( isCA && !nickname ) {
nickname = CERT_MakeCANickname(cert);
if ( nickname != NULL ) {
freeNickname = PR_TRUE;
}
}
switch ( usage ) {
case certUsageEmailSigner:
case certUsageEmailRecipient:
if ( isCA ) {
if ( certtype & NS_CERT_TYPE_EMAIL_CA ) {
trust.emailFlags = CERTDB_VALID_CA;
}
} else {
PORT_Assert(nickname == NULL);
if ( cert->emailAddr == NULL ) {
saveit = PR_FALSE;
}
if ( certtype & NS_CERT_TYPE_EMAIL ) {
trust.emailFlags = CERTDB_VALID_PEER;
if ( ! ( cert->rawKeyUsage & KU_KEY_ENCIPHERMENT ) ) {
/* don't save it if KeyEncipherment is not allowed */
saveit = PR_FALSE;
}
}
}
break;
case certUsageUserCertImport:
if ( isCA ) {
if ( certtype & NS_CERT_TYPE_SSL_CA ) {
trust.sslFlags = CERTDB_VALID_CA;
}
if ( certtype & NS_CERT_TYPE_EMAIL_CA ) {
trust.emailFlags = CERTDB_VALID_CA;
}
if ( certtype & NS_CERT_TYPE_OBJECT_SIGNING_CA ) {
trust.objectSigningFlags = CERTDB_VALID_CA;
}
} else {
if ( certtype & NS_CERT_TYPE_SSL_CLIENT ) {
trust.sslFlags = CERTDB_VALID_PEER;
}
if ( certtype & NS_CERT_TYPE_EMAIL ) {
trust.emailFlags = CERTDB_VALID_PEER;
}
if ( certtype & NS_CERT_TYPE_OBJECT_SIGNING ) {
trust.objectSigningFlags = CERTDB_VALID_PEER;
}
}
break;
case certUsageAnyCA:
trust.sslFlags = CERTDB_VALID_CA;
break;
case certUsageSSLCA:
trust.sslFlags = CERTDB_VALID_CA |
CERTDB_TRUSTED_CA | CERTDB_TRUSTED_CLIENT_CA;
break;
default: /* XXX added to quiet warnings; no other cases needed? */
break;
}
if ( saveit ) {
if ( cert->isperm ) {
/* Cert already in the DB. Just adjust flags */
tmptrust = *cert->trust;
tmptrust.sslFlags |= trust.sslFlags;
tmptrust.emailFlags |= trust.emailFlags;
tmptrust.objectSigningFlags |= trust.objectSigningFlags;
rv = CERT_ChangeCertTrust(cert->dbhandle, cert,
&tmptrust);
if ( rv != SECSuccess ) {
goto loser;
}
} else {
/* Cert not already in the DB. Add it */
rv = CERT_AddTempCertToPerm(cert, nickname, &trust);
if ( rv != SECSuccess ) {
goto loser;
}
}
}
rv = SECSuccess;
goto done;
loser:
rv = SECFailure;
done:
if ( freeNickname ) {
PORT_Free(nickname);
}
return(rv);
}
SECStatus
CERT_ChangeCertTrustByUsage(CERTCertDBHandle *certdb,
CERTCertificate *cert, SECCertUsage usage)
{
SECStatus rv;
CERTCertTrust trust;
CERTCertTrust tmptrust;
unsigned int certtype;
PRBool saveit;
saveit = PR_TRUE;
PORT_Memset((void *)&trust, 0, sizeof(trust));
certtype = cert->nsCertType;
/* if no app bits in cert type, then set all app bits */
if ( ! ( certtype & NS_CERT_TYPE_APP ) ) {
certtype |= NS_CERT_TYPE_APP;
}
switch ( usage ) {
case certUsageEmailSigner:
case certUsageEmailRecipient:
if ( certtype & NS_CERT_TYPE_EMAIL ) {
trust.emailFlags = CERTDB_VALID_PEER;
if ( ! ( cert->rawKeyUsage & KU_KEY_ENCIPHERMENT ) ) {
/* don't save it if KeyEncipherment is not allowed */
saveit = PR_FALSE;
}
}
break;
case certUsageUserCertImport:
if ( certtype & NS_CERT_TYPE_EMAIL ) {
trust.emailFlags = CERTDB_VALID_PEER;
}
/* VALID_USER is already set if the cert was imported,
* in the case that the cert was already in the database
* through SMIME or other means, we should set the USER
* flags, if they are not already set.
*/
if( cert->isperm ) {
if ( certtype & NS_CERT_TYPE_SSL_CLIENT ) {
if( !(cert->trust->sslFlags & CERTDB_USER) ) {
trust.sslFlags |= CERTDB_USER;
}
}
if ( certtype & NS_CERT_TYPE_EMAIL ) {
if( !(cert->trust->emailFlags & CERTDB_USER) ) {
trust.emailFlags |= CERTDB_USER;
}
}
if ( certtype & NS_CERT_TYPE_OBJECT_SIGNING ) {
if( !(cert->trust->objectSigningFlags & CERTDB_USER) ) {
trust.objectSigningFlags |= CERTDB_USER;
}
}
}
break;
default: /* XXX added to quiet warnings; no other cases needed? */
break;
}
if ( (trust.sslFlags | trust.emailFlags | trust.objectSigningFlags) == 0 ){
saveit = PR_FALSE;
}
if ( saveit && cert->isperm ) {
/* Cert already in the DB. Just adjust flags */
tmptrust = *cert->trust;
tmptrust.sslFlags |= trust.sslFlags;
tmptrust.emailFlags |= trust.emailFlags;
tmptrust.objectSigningFlags |= trust.objectSigningFlags;
rv = CERT_ChangeCertTrust(cert->dbhandle, cert,
&tmptrust);
if ( rv != SECSuccess ) {
goto loser;
}
}
rv = SECSuccess;
goto done;
loser:
rv = SECFailure;
done:
return(rv);
}
int
CERT_GetDBContentVersion(CERTCertDBHandle *handle)
{
certDBEntryContentVersion *entry;
int ret;
entry = ReadDBContentVersionEntry(handle);
if ( entry == NULL ) {
return(0);
}
ret = entry->contentVersion;
DestroyDBEntry((certDBEntry *)entry);
return(ret);
}
void
CERT_SetDBContentVersion(int version, CERTCertDBHandle *handle)
{
SECStatus rv;
certDBEntryContentVersion *entry;
entry = NewDBContentVersionEntry(0);
if ( entry == NULL ) {
return;
}
rv = DeleteDBContentVersionEntry(handle);
rv = WriteDBContentVersionEntry(handle, entry);
DestroyDBEntry((certDBEntry *)entry);
return;
}
/*
* Creates or adds to a list of all certs with a give subject name, sorted by
* validity time, newest first. Invalid certs are considered older than
* valid certs. If validOnly is set, do not include invalid certs on list.
*/
CERTCertList *
CERT_CreateSubjectCertList(CERTCertList *certList, CERTCertDBHandle *handle,
SECItem *name, int64 sorttime, PRBool validOnly)
{
CERTCertificate *cert = NULL;
CERTSubjectList *subjectList = NULL;
CERTSubjectNode *node;
SECStatus rv;
if ( certList == NULL ) {
certList = CERT_NewCertList();
}
if ( certList == NULL ) {
goto loser;
}
subjectList = FindSubjectList(handle, name, PR_FALSE);
if ( subjectList != NULL ) {
node = subjectList->head;
PORT_Assert(node);
while (node) {
cert = CERT_FindCertByKey(handle, &node->certKey);
/* if validOnly, then check validity period before adding to list*/
if ( ( !validOnly ) ||
( CERT_CheckCertValidTimes(cert, sorttime, PR_FALSE)
== secCertTimeValid ) ) {
rv = CERT_AddCertToListSorted(certList, cert,
CERT_SortCBValidity,
(void *)&sorttime);
if ( rv != SECSuccess ) {
CERT_DestroyCertificate(cert);
goto loser;
}
} else {
CERT_DestroyCertificate(cert);
}
node = node->next;
}
}
return(certList);
loser:
if ( certList != NULL ) {
CERT_DestroyCertList(certList);
}
return(NULL);
}
/*
* Creates or adds to a list of all certs with a give nickname, sorted by
* validity time, newest first. Invalid certs are considered older than valid
* certs. If validOnly is set, do not include invalid certs on list.
*/
CERTCertList *
CERT_CreateNicknameCertList(CERTCertList *certList, CERTCertDBHandle *handle,
char *nickname, int64 sorttime, PRBool validOnly)
{
CERTCertificate *cert;
CERTCertList *ret;
cert = CERT_FindCertByNickname(handle, nickname);
if ( cert == NULL ) {
return(NULL);
}
ret = CERT_CreateSubjectCertList(certList, handle, &cert->derSubject,
sorttime, validOnly);
CERT_DestroyCertificate(cert);
return(ret);
}
/*
* Creates or adds to a list of all certs with a give email addr, sorted by
* validity time, newest first. Invalid certs are considered older than valid
* certs. If validOnly is set, do not include invalid certs on list.
*/
CERTCertList *
CERT_CreateEmailAddrCertList(CERTCertList *certList, CERTCertDBHandle *handle,
char *emailAddr, int64 sorttime, PRBool validOnly)
{
CERTCertificate *cert;
CERTCertList *ret;
cert = CERT_FindCertByEmailAddr(handle, emailAddr);
if ( cert == NULL ) {
return(NULL);
}
ret = CERT_CreateSubjectCertList(certList, handle, &cert->derSubject,
sorttime, validOnly);
CERT_DestroyCertificate(cert);
return(ret);
}
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