5e52dc0906
When releasing the handle, alpm tries to do some self clean up by freeing the databases and transaction. However, databases refuse to unregister is there is an in progress transaction. Causing them to leak if the handle is released while a transaction is active.
149 lines
3.6 KiB
C
149 lines
3.6 KiB
C
/*
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* alpm.c
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*
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* Copyright (c) 2006-2022 Pacman Development Team <pacman-dev@lists.archlinux.org>
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* Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org>
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* Copyright (c) 2005 by Aurelien Foret <orelien@chez.com>
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* Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu>
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* Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifdef HAVE_LIBCURL
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#include <curl/curl.h>
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#endif
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/* libalpm */
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#include "alpm.h"
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#include "alpm_list.h"
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#include "handle.h"
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#include "log.h"
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#include "util.h"
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alpm_handle_t SYMEXPORT *alpm_initialize(const char *root, const char *dbpath,
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alpm_errno_t *err)
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{
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alpm_errno_t myerr;
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const char *lf = "db.lck";
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char *hookdir;
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size_t lockfilelen;
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alpm_handle_t *myhandle = _alpm_handle_new();
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if(myhandle == NULL) {
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goto nomem;
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}
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if((myerr = _alpm_set_directory_option(root, &(myhandle->root), 1))) {
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goto cleanup;
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}
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if((myerr = _alpm_set_directory_option(dbpath, &(myhandle->dbpath), 1))) {
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goto cleanup;
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}
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/* to concatenate myhandle->root (ends with a slash) with SYSHOOKDIR (starts
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* with a slash) correctly, we skip SYSHOOKDIR[0]; the regular +1 therefore
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* disappears from the allocation */
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MALLOC(hookdir, strlen(myhandle->root) + strlen(SYSHOOKDIR), goto nomem);
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sprintf(hookdir, "%s%s", myhandle->root, &SYSHOOKDIR[1]);
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myhandle->hookdirs = alpm_list_add(NULL, hookdir);
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/* set default database extension */
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STRDUP(myhandle->dbext, ".db", goto nomem);
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lockfilelen = strlen(myhandle->dbpath) + strlen(lf) + 1;
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MALLOC(myhandle->lockfile, lockfilelen, goto nomem);
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snprintf(myhandle->lockfile, lockfilelen, "%s%s", myhandle->dbpath, lf);
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if(_alpm_db_register_local(myhandle) == NULL) {
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myerr = myhandle->pm_errno;
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goto cleanup;
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}
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#ifdef HAVE_LIBCURL
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curl_global_init(CURL_GLOBAL_ALL);
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myhandle->curlm = curl_multi_init();
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#endif
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myhandle->parallel_downloads = 1;
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#ifdef ENABLE_NLS
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bindtextdomain("libalpm", LOCALEDIR);
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#endif
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return myhandle;
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nomem:
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myerr = ALPM_ERR_MEMORY;
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cleanup:
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_alpm_handle_free(myhandle);
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if(err) {
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*err = myerr;
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}
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return NULL;
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}
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int SYMEXPORT alpm_release(alpm_handle_t *myhandle)
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{
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int ret = 0;
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alpm_db_t *db;
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CHECK_HANDLE(myhandle, return -1);
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/* free transaction memory */
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if(myhandle->trans && alpm_trans_release(myhandle) == -1) {
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return -1;
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}
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/* close local database */
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db = myhandle->db_local;
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if(db) {
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db->ops->unregister(db);
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myhandle->db_local = NULL;
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}
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if(alpm_unregister_all_syncdbs(myhandle) == -1) {
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ret = -1;
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}
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#ifdef HAVE_LIBCURL
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curl_multi_cleanup(myhandle->curlm);
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curl_global_cleanup();
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FREELIST(myhandle->server_errors);
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#endif
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_alpm_handle_unlock(myhandle);
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_alpm_handle_free(myhandle);
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return ret;
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}
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const char SYMEXPORT *alpm_version(void)
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{
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return LIB_VERSION;
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}
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int SYMEXPORT alpm_capabilities(void)
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{
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return 0
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#ifdef ENABLE_NLS
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| ALPM_CAPABILITY_NLS
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#endif
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#ifdef HAVE_LIBCURL
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| ALPM_CAPABILITY_DOWNLOADER
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#endif
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#ifdef HAVE_LIBGPGME
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| ALPM_CAPABILITY_SIGNATURES
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#endif
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| 0;
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}
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