mirror of
https://github.com/moparisthebest/pacman
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1150d9e15a
This is another step toward doing both local database validation (ensuring we don't have depends files) and sync database validation (via signatures if present) when the database is registered. Signed-off-by: Dan McGee <dan@archlinux.org>
141 lines
3.5 KiB
C
141 lines
3.5 KiB
C
/*
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* alpm.c
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*
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* Copyright (c) 2006-2011 Pacman Development Team <pacman-dev@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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#include "config.h"
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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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/** \addtogroup alpm_interface Interface Functions
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* @brief Functions to initialize and release libalpm
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* @{
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*/
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/** Initializes the library. This must be called before any other
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* functions are called.
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* @param root the root path for all filesystem operations
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* @param dbpath the absolute path to the libalpm database
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* @param err an optional variable to hold any error return codes
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* @return a context handle on success, NULL on error, err will be set if provided
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*/
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pmhandle_t SYMEXPORT *alpm_initialize(const char *root, const char *dbpath,
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enum _pmerrno_t *err)
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{
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enum _pmerrno_t myerr;
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const char *lf = "db.lck";
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size_t lockfilelen;
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pmhandle_t *myhandle = _alpm_handle_new();
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if(myhandle == NULL) {
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myerr = PM_ERR_MEMORY;
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goto cleanup;
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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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lockfilelen = strlen(myhandle->dbpath) + strlen(lf) + 1;
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myhandle->lockfile = calloc(lockfilelen, sizeof(char));
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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 ENABLE_NLS
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bindtextdomain("libalpm", LOCALEDIR);
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#endif
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#ifdef HAVE_LIBCURL
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curl_global_init(CURL_GLOBAL_SSL);
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myhandle->curl = curl_easy_init();
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#endif
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return myhandle;
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cleanup:
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_alpm_handle_free(myhandle);
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if(err && myerr) {
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*err = myerr;
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}
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return NULL;
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}
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/** Release the library. This should be the last alpm call you make.
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* After this returns, handle should be considered invalid and cannot be reused
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* in any way.
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* @param handle the context handle
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* @return 0 on success, -1 on error
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*/
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int SYMEXPORT alpm_release(pmhandle_t *myhandle)
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{
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int ret = 0;
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pmdb_t *db;
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CHECK_HANDLE(myhandle, return -1);
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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_db_unregister_all(myhandle) == -1) {
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ret = -1;
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}
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_alpm_handle_free(myhandle);
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#ifdef HAVE_LIBCURL
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curl_global_cleanup();
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#endif
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return ret;
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}
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/** @} */
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/** @defgroup alpm_misc Miscellaneous Functions
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* @brief Various libalpm functions
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*/
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/* Get the version of library */
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const char SYMEXPORT *alpm_version(void) {
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return LIB_VERSION;
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}
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/* vim: set ts=2 sw=2 noet: */
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