692f7a2cfe
Commit 7ccf316c provided "root" (or the user name for UID 0) as a
default download user. However, when DownloadUser is unset in pacman.conf,
pacman was overwriting the default with null. Rectify this.
Fixes #248
Signed-off-by: Allan McRae <allan@archlinux.org>
135 lines
3.5 KiB
C
135 lines
3.5 KiB
C
/*
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* alpm.c
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*
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* Copyright (c) 2006-2025 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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#include <errno.h>
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#include <pwd.h>
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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 hookdirlen, lockfilelen;
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struct passwd const *pw = NULL;
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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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hookdirlen = strlen(myhandle->root) + strlen(SYSHOOKDIR);
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MALLOC(hookdir, hookdirlen, goto nomem);
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snprintf(hookdir, hookdirlen, "%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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/* set default sandboxuser */
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ASSERT((pw = getpwuid(0)) != NULL, myerr = errno; goto cleanup);
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STRDUP(myhandle->sandboxuser, pw->pw_name, goto nomem);
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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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/* check current state and free all resources including storage locks */
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int SYMEXPORT alpm_release(alpm_handle_t *myhandle)
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{
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CHECK_HANDLE(myhandle, return -1);
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ASSERT(myhandle->trans == NULL, RET_ERR(myhandle, ALPM_ERR_TRANS_NOT_NULL, -1));
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_alpm_handle_unlock(myhandle);
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_alpm_handle_free(myhandle);
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return 0;
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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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