mirror of
https://github.com/rn10950/RetroZilla.git
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673 lines
15 KiB
C
673 lines
15 KiB
C
/*
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* NSS utility functions
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Netscape security libraries.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1994-2000
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/* $Id: lginit.c,v 1.14 2009/02/03 23:18:48 julien.pierre.boogz%sun.com Exp $ */
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#include "lowkeyi.h"
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#include "pcert.h"
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#include "keydbi.h"
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#include "lgdb.h"
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#include "secoid.h"
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#include "prenv.h"
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typedef struct LGPrivateStr {
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NSSLOWCERTCertDBHandle *certDB;
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NSSLOWKEYDBHandle *keyDB;
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PRLock *dbLock;
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PLHashTable *hashTable;
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} LGPrivate;
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static char *
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lg_certdb_name_cb(void *arg, int dbVersion)
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{
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const char *configdir = (const char *)arg;
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const char *dbver;
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char *smpname = NULL;
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char *dbname = NULL;
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switch (dbVersion) {
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case 8:
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dbver = "8";
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break;
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case 7:
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dbver = "7";
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break;
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case 6:
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dbver = "6";
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break;
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case 5:
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dbver = "5";
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break;
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case 4:
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default:
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dbver = "";
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break;
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}
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/* make sure we return something allocated with PORT_ so we have properly
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* matched frees at the end */
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smpname = PR_smprintf(CERT_DB_FMT, configdir, dbver);
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if (smpname) {
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dbname = PORT_Strdup(smpname);
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PR_smprintf_free(smpname);
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}
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return dbname;
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}
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static char *
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lg_keydb_name_cb(void *arg, int dbVersion)
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{
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const char *configdir = (const char *)arg;
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const char *dbver;
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char *smpname = NULL;
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char *dbname = NULL;
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switch (dbVersion) {
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case 4:
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dbver = "4";
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break;
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case 3:
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dbver = "3";
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break;
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case 1:
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dbver = "1";
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break;
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case 2:
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default:
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dbver = "";
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break;
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}
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smpname = PR_smprintf(KEY_DB_FMT, configdir, dbver);
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if (smpname) {
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dbname = PORT_Strdup(smpname);
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PR_smprintf_free(smpname);
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}
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return dbname;
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}
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const char *
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lg_EvaluateConfigDir(const char *configdir,char **appName)
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{
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if (PORT_Strncmp(configdir, MULTIACCESS, sizeof(MULTIACCESS)-1) == 0) {
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char *cdir;
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*appName = PORT_Strdup(configdir+sizeof(MULTIACCESS)-1);
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if (*appName == NULL) {
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return configdir;
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}
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cdir = *appName;
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while (*cdir && *cdir != ':') {
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cdir++;
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}
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if (*cdir == ':') {
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*cdir = 0;
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cdir++;
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}
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configdir = cdir;
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}
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return configdir;
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}
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static int rdbmapflags(int flags);
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static rdbfunc lg_rdbfunc = NULL;
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static rdbstatusfunc lg_rdbstatusfunc = NULL;
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/* NOTE: SHLIB_SUFFIX is defined on the command line */
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#define RDBLIB SHLIB_PREFIX"rdb."SHLIB_SUFFIX
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DB * rdbopen(const char *appName, const char *prefix,
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const char *type, int flags, int *status)
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{
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PRLibrary *lib;
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DB *db;
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char *disableUnload = NULL;
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if (lg_rdbfunc) {
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db = (*lg_rdbfunc)(appName,prefix,type,rdbmapflags(flags));
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if (!db && status && lg_rdbstatusfunc) {
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*status = (*lg_rdbstatusfunc)();
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}
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return db;
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}
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/*
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* try to open the library.
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*/
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lib = PR_LoadLibrary(RDBLIB);
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if (!lib) {
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return NULL;
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}
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/* get the entry points */
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lg_rdbstatusfunc = (rdbstatusfunc) PR_FindSymbol(lib,"rdbstatus");
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lg_rdbfunc = (rdbfunc) PR_FindSymbol(lib,"rdbopen");
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if (lg_rdbfunc) {
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db = (*lg_rdbfunc)(appName,prefix,type,rdbmapflags(flags));
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if (!db && status && lg_rdbstatusfunc) {
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*status = (*lg_rdbstatusfunc)();
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}
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return db;
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}
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/* couldn't find the entry point, unload the library and fail */
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disableUnload = PR_GetEnv("NSS_DISABLE_UNLOAD");
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if (!disableUnload) {
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PR_UnloadLibrary(lib);
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}
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return NULL;
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}
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/*
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* the following data structures are from rdb.h.
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*/
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struct RDBStr {
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DB db;
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int (*xactstart)(DB *db);
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int (*xactdone)(DB *db, PRBool abort);
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int version;
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int (*dbinitcomplete)(DB *db);
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};
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#define DB_RDB ((DBTYPE) 0xff)
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#define RDB_RDONLY 1
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#define RDB_RDWR 2
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#define RDB_CREATE 4
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static int
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rdbmapflags(int flags) {
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switch (flags) {
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case NO_RDONLY:
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return RDB_RDONLY;
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case NO_RDWR:
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return RDB_RDWR;
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case NO_CREATE:
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return RDB_CREATE;
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default:
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break;
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}
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return 0;
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}
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PRBool
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db_IsRDB(DB *db)
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{
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return (PRBool) db->type == DB_RDB;
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}
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int
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db_BeginTransaction(DB *db)
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{
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struct RDBStr *rdb = (struct RDBStr *)db;
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if (db->type != DB_RDB) {
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return 0;
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}
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return rdb->xactstart(db);
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}
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int
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db_FinishTransaction(DB *db, PRBool abort)
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{
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struct RDBStr *rdb = (struct RDBStr *)db;
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if (db->type != DB_RDB) {
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return 0;
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}
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return rdb->xactdone(db, abort);
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}
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static DB *
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lg_getRawDB(SDB *sdb)
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{
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NSSLOWCERTCertDBHandle *certDB;
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NSSLOWKEYDBHandle *keyDB;
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certDB = lg_getCertDB(sdb);
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if (certDB) {
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return certDB->permCertDB;
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}
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keyDB = lg_getKeyDB(sdb);
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if (keyDB) {
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return keyDB->db;
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}
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return NULL;
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}
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CK_RV
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lg_Begin(SDB *sdb)
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{
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DB *db = lg_getRawDB(sdb);
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int ret;
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if (db == NULL) {
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return CKR_GENERAL_ERROR; /* shouldn't happen */
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}
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ret = db_BeginTransaction(db);
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if (ret != 0) {
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return CKR_GENERAL_ERROR; /* could happen */
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}
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return CKR_OK;
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}
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CK_RV
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lg_Commit(SDB *sdb)
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{
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DB *db = lg_getRawDB(sdb);
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int ret;
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if (db == NULL) {
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return CKR_GENERAL_ERROR; /* shouldn't happen */
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}
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ret = db_FinishTransaction(db, PR_FALSE);
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if (ret != 0) {
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return CKR_GENERAL_ERROR; /* could happen */
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}
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return CKR_OK;
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}
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CK_RV
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lg_Abort(SDB *sdb)
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{
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DB *db = lg_getRawDB(sdb);
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int ret;
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if (db == NULL) {
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return CKR_GENERAL_ERROR; /* shouldn't happen */
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}
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ret = db_FinishTransaction(db, PR_TRUE);
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if (ret != 0) {
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return CKR_GENERAL_ERROR; /* could happen */
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}
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return CKR_OK;
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}
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int
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db_InitComplete(DB *db)
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{
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struct RDBStr *rdb = (struct RDBStr *)db;
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if (db->type != DB_RDB) {
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return 0;
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}
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/* we should have added a version number to the RDBS structure. Since we
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* didn't, we detect that we have and 'extended' structure if the rdbstatus
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* func exists */
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if (!lg_rdbstatusfunc) {
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return 0;
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}
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return rdb->dbinitcomplete(db);
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}
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SECStatus
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db_Copy(DB *dest,DB *src)
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{
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int ret;
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DBT key,data;
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ret = (*src->seq)(src, &key, &data, R_FIRST);
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if (ret) {
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return SECSuccess;
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}
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do {
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(void)(*dest->put)(dest,&key,&data, R_NOOVERWRITE);
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} while ( (*src->seq)(src, &key, &data, R_NEXT) == 0);
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(void)(*dest->sync)(dest,0);
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return SECSuccess;
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}
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static CK_RV
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lg_OpenCertDB(const char * configdir, const char *prefix, PRBool readOnly,
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NSSLOWCERTCertDBHandle **certdbPtr)
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{
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NSSLOWCERTCertDBHandle *certdb = NULL;
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CK_RV crv = CKR_NETSCAPE_CERTDB_FAILED;
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SECStatus rv;
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char * name = NULL;
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char * appName = NULL;
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if (prefix == NULL) {
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prefix = "";
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}
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configdir = lg_EvaluateConfigDir(configdir, &appName);
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name = PR_smprintf("%s" PATH_SEPARATOR "%s",configdir,prefix);
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if (name == NULL) goto loser;
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certdb = (NSSLOWCERTCertDBHandle*)PORT_ZAlloc(sizeof(NSSLOWCERTCertDBHandle));
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if (certdb == NULL)
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goto loser;
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certdb->ref = 1;
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/* fix when we get the DB in */
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rv = nsslowcert_OpenCertDB(certdb, readOnly, appName, prefix,
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lg_certdb_name_cb, (void *)name, PR_FALSE);
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if (rv == SECSuccess) {
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crv = CKR_OK;
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*certdbPtr = certdb;
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certdb = NULL;
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}
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loser:
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if (certdb) PR_Free(certdb);
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if (name) PR_smprintf_free(name);
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if (appName) PORT_Free(appName);
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return crv;
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}
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static CK_RV
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lg_OpenKeyDB(const char * configdir, const char *prefix, PRBool readOnly,
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NSSLOWKEYDBHandle **keydbPtr)
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{
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NSSLOWKEYDBHandle *keydb;
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char * name = NULL;
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char * appName = NULL;
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if (prefix == NULL) {
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prefix = "";
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}
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configdir = lg_EvaluateConfigDir(configdir, &appName);
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name = PR_smprintf("%s" PATH_SEPARATOR "%s",configdir,prefix);
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if (name == NULL)
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return CKR_HOST_MEMORY;
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keydb = nsslowkey_OpenKeyDB(readOnly, appName, prefix,
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lg_keydb_name_cb, (void *)name);
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PR_smprintf_free(name);
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if (appName) PORT_Free(appName);
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if (keydb == NULL)
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return CKR_NETSCAPE_KEYDB_FAILED;
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*keydbPtr = keydb;
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return CKR_OK;
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}
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/*
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* Accessors for the private parts of the sdb structure.
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*/
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void
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lg_DBLock(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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SKIP_AFTER_FORK(PR_Lock(lgdb_p->dbLock));
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}
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void
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lg_DBUnlock(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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SKIP_AFTER_FORK(PR_Unlock(lgdb_p->dbLock));
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}
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PLHashTable *
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lg_GetHashTable(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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return lgdb_p->hashTable;
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}
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NSSLOWCERTCertDBHandle *
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lg_getCertDB(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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return lgdb_p->certDB;
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}
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NSSLOWKEYDBHandle *
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lg_getKeyDB(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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return lgdb_p->keyDB;
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}
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PRBool parentForkedAfterC_Initialize;
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void lg_SetForkState(PRBool forked)
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{
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parentForkedAfterC_Initialize = forked;
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}
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CK_RV
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lg_Close(SDB *sdb)
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{
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LGPrivate *lgdb_p = (LGPrivate *)sdb->private;
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lg_ClearTokenKeyHashTable(sdb);
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if (lgdb_p) {
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if (lgdb_p->certDB) {
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nsslowcert_ClosePermCertDB(lgdb_p->certDB);
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} else if (lgdb_p->keyDB) {
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nsslowkey_CloseKeyDB(lgdb_p->keyDB);
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}
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if (lgdb_p->dbLock) {
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SKIP_AFTER_FORK(PR_DestroyLock(lgdb_p->dbLock));
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}
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if (lgdb_p->hashTable) {
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PL_HashTableDestroy(lgdb_p->hashTable);
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}
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PORT_Free(lgdb_p);
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}
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PORT_Free(sdb);
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return CKR_OK;
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}
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static PLHashNumber
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lg_HashNumber(const void *key)
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{
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return (PLHashNumber) key;
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}
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PRIntn
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lg_CompareValues(const void *v1, const void *v2)
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{
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PLHashNumber value1 = (PLHashNumber) v1;
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PLHashNumber value2 = (PLHashNumber) v2;
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return (value1 == value2);
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}
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/*
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* helper function to wrap a NSSLOWCERTCertDBHandle or a NSSLOWKEYDBHandle
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* with and sdb structure.
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*/
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CK_RV
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lg_init(SDB **pSdb, int flags, NSSLOWCERTCertDBHandle *certdbPtr,
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NSSLOWKEYDBHandle *keydbPtr)
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{
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SDB *sdb = NULL;
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LGPrivate *lgdb_p = NULL;
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CK_RV error = CKR_HOST_MEMORY;
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*pSdb = NULL;
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sdb = (SDB *) PORT_Alloc(sizeof(SDB));
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if (sdb == NULL) {
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goto loser;
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}
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lgdb_p = (LGPrivate *) PORT_Alloc(sizeof(LGPrivate));
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if (lgdb_p == NULL) {
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goto loser;
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}
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/* invariant fields */
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lgdb_p->certDB = certdbPtr;
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lgdb_p->keyDB = keydbPtr;
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lgdb_p->dbLock = PR_NewLock();
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if (lgdb_p->dbLock == NULL) {
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goto loser;
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}
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lgdb_p->hashTable = PL_NewHashTable(64, lg_HashNumber, lg_CompareValues,
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SECITEM_HashCompare, NULL, 0);
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if (lgdb_p->hashTable == NULL) {
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goto loser;
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}
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sdb->sdb_type = SDB_LEGACY;
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sdb->sdb_flags = flags;
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sdb->private = lgdb_p;
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sdb->sdb_FindObjectsInit = lg_FindObjectsInit;
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sdb->sdb_FindObjects = lg_FindObjects;
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sdb->sdb_FindObjectsFinal = lg_FindObjectsFinal;
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sdb->sdb_GetAttributeValue = lg_GetAttributeValue;
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sdb->sdb_SetAttributeValue = lg_SetAttributeValue;
|
|
sdb->sdb_CreateObject = lg_CreateObject;
|
|
sdb->sdb_DestroyObject = lg_DestroyObject;
|
|
sdb->sdb_GetMetaData = lg_GetMetaData;
|
|
sdb->sdb_PutMetaData = lg_PutMetaData;
|
|
sdb->sdb_Begin = lg_Begin;
|
|
sdb->sdb_Commit = lg_Commit;
|
|
sdb->sdb_Abort = lg_Abort;
|
|
sdb->sdb_Reset = lg_Reset;
|
|
sdb->sdb_Close = lg_Close;
|
|
sdb->sdb_SetForkState = lg_SetForkState;
|
|
|
|
*pSdb = sdb;
|
|
return CKR_OK;
|
|
|
|
loser:
|
|
if (sdb) {
|
|
PORT_Free(sdb);
|
|
}
|
|
if (lgdb_p) {
|
|
if (lgdb_p->dbLock) {
|
|
PR_DestroyLock(lgdb_p->dbLock);
|
|
}
|
|
if (lgdb_p->hashTable) {
|
|
PL_HashTableDestroy(lgdb_p->hashTable);
|
|
}
|
|
PORT_Free(lgdb_p);
|
|
}
|
|
return error;
|
|
|
|
}
|
|
|
|
/*
|
|
* OK there are now lots of options here, lets go through them all:
|
|
*
|
|
* configdir - base directory where all the cert, key, and module datbases live.
|
|
* certPrefix - prefix added to the beginning of the cert database example: "
|
|
* "https-server1-"
|
|
* keyPrefix - prefix added to the beginning of the key database example: "
|
|
* "https-server1-"
|
|
* secmodName - name of the security module database (usually "secmod.db").
|
|
* readOnly - Boolean: true if the databases are to be openned read only.
|
|
* nocertdb - Don't open the cert DB and key DB's, just initialize the
|
|
* Volatile certdb.
|
|
* nomoddb - Don't open the security module DB, just initialize the
|
|
* PKCS #11 module.
|
|
* forceOpen - Continue to force initializations even if the databases cannot
|
|
* be opened.
|
|
*/
|
|
CK_RV
|
|
legacy_Open(const char *configdir, const char *certPrefix,
|
|
const char *keyPrefix, int certVersion, int keyVersion,
|
|
int flags, SDB **certDB, SDB **keyDB)
|
|
{
|
|
CK_RV crv = CKR_OK;
|
|
SECStatus rv;
|
|
PRBool readOnly = (flags == SDB_RDONLY)? PR_TRUE: PR_FALSE;
|
|
|
|
rv = SECOID_Init();
|
|
if (SECSuccess != rv) {
|
|
return CKR_DEVICE_ERROR;
|
|
}
|
|
nsslowcert_InitLocks();
|
|
|
|
if (keyDB) *keyDB = NULL;
|
|
if (certDB) *certDB = NULL;
|
|
|
|
if (certDB) {
|
|
NSSLOWCERTCertDBHandle *certdbPtr;
|
|
|
|
crv = lg_OpenCertDB(configdir, certPrefix, readOnly, &certdbPtr);
|
|
if (crv != CKR_OK) {
|
|
goto loser;
|
|
}
|
|
crv = lg_init(certDB, flags, certdbPtr, NULL);
|
|
if (crv != CKR_OK) {
|
|
nsslowcert_ClosePermCertDB(certdbPtr);
|
|
goto loser;
|
|
}
|
|
}
|
|
if (keyDB) {
|
|
NSSLOWKEYDBHandle *keydbPtr;
|
|
|
|
crv = lg_OpenKeyDB(configdir, keyPrefix, readOnly, &keydbPtr);
|
|
if (crv != CKR_OK) {
|
|
goto loser;
|
|
}
|
|
crv = lg_init(keyDB, flags, NULL, keydbPtr);
|
|
if (crv != CKR_OK) {
|
|
nsslowkey_CloseKeyDB(keydbPtr);
|
|
goto loser;
|
|
}
|
|
if (certDB && *certDB) {
|
|
LGPrivate *lgdb_p = (LGPrivate *)(*certDB)->private;
|
|
lgdb_p->keyDB = keydbPtr;
|
|
}
|
|
}
|
|
|
|
loser:
|
|
if (crv != CKR_OK) {
|
|
if (keyDB && *keyDB) {
|
|
lg_Close(*keyDB);
|
|
*keyDB = NULL;
|
|
}
|
|
if (certDB && *certDB) {
|
|
lg_Close(*certDB);
|
|
*certDB = NULL;
|
|
}
|
|
}
|
|
return crv;
|
|
}
|
|
|
|
CK_RV
|
|
legacy_Shutdown(PRBool forked)
|
|
{
|
|
lg_SetForkState(forked);
|
|
nsslowcert_DestroyFreeLists();
|
|
nsslowcert_DestroyGlobalLocks();
|
|
SECOID_Shutdown();
|
|
lg_SetForkState(PR_FALSE);
|
|
return CKR_OK;
|
|
}
|
|
|