/* * handle.c * * Copyright (c) 2006-2014 Pacman Development Team <pacman-dev@archlinux.org> * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> * Copyright (c) 2005, 2006 by Miklos Vajna <vmiklos@frugalware.org> * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <errno.h> #include <stdlib.h> #include <string.h> #include <limits.h> #include <sys/types.h> #include <syslog.h> #include <sys/stat.h> #include <fcntl.h> /* libalpm */ #include "handle.h" #include "alpm_list.h" #include "util.h" #include "log.h" #include "delta.h" #include "trans.h" #include "alpm.h" #include "deps.h" alpm_handle_t *_alpm_handle_new(void) { alpm_handle_t *handle; CALLOC(handle, 1, sizeof(alpm_handle_t), return NULL); handle->deltaratio = 0.0; handle->lockfd = -1; return handle; } void _alpm_handle_free(alpm_handle_t *handle) { if(handle == NULL) { return; } /* close logfile */ if(handle->logstream) { fclose(handle->logstream); handle->logstream = NULL; } if(handle->usesyslog) { handle->usesyslog = 0; closelog(); } #ifdef HAVE_LIBCURL /* release curl handle */ curl_easy_cleanup(handle->curl); #endif #ifdef HAVE_LIBGPGME FREELIST(handle->known_keys); #endif regfree(&handle->delta_regex); /* free memory */ _alpm_trans_free(handle->trans); FREE(handle->root); FREE(handle->dbpath); FREELIST(handle->cachedirs); FREE(handle->logfile); FREE(handle->lockfile); FREE(handle->arch); FREE(handle->gpgdir); FREELIST(handle->noupgrade); FREELIST(handle->noextract); FREELIST(handle->ignorepkg); FREELIST(handle->ignoregroup); alpm_list_free_inner(handle->assumeinstalled, (alpm_list_fn_free)alpm_dep_free); alpm_list_free(handle->assumeinstalled); FREE(handle); } /** Lock the database */ int _alpm_handle_lock(alpm_handle_t *handle) { char *dir, *ptr; ASSERT(handle->lockfile != NULL, return -1); ASSERT(handle->lockfd < 0, return 0); /* create the dir of the lockfile first */ dir = strdup(handle->lockfile); ptr = strrchr(dir, '/'); if(ptr) { *ptr = '\0'; } if(_alpm_makepath(dir)) { FREE(dir); return -1; } FREE(dir); do { handle->lockfd = open(handle->lockfile, O_WRONLY | O_CREAT | O_EXCL | O_CLOEXEC, 0000); } while(handle->lockfd == -1 && errno == EINTR); return (handle->lockfd >= 0 ? 0 : -1); } /** Remove a lock file */ int _alpm_handle_unlock(alpm_handle_t *handle) { ASSERT(handle->lockfile != NULL, return -1); ASSERT(handle->lockfd >= 0, return 0); close(handle->lockfd); handle->lockfd = -1; if(unlink(handle->lockfile) != 0) { if(errno == ENOENT) { _alpm_log(handle, ALPM_LOG_WARNING, _("lock file missing %s\n"), handle->lockfile); alpm_logaction(handle, ALPM_CALLER_PREFIX, "warning: lock file missing %s\n", handle->lockfile); return 0; } else { _alpm_log(handle, ALPM_LOG_WARNING, _("could not remove lock file %s\n"), handle->lockfile); alpm_logaction(handle, ALPM_CALLER_PREFIX, "warning: could not remove lock file %s\n", handle->lockfile); return -1; } } return 0; } alpm_cb_log SYMEXPORT alpm_option_get_logcb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->logcb; } alpm_cb_download SYMEXPORT alpm_option_get_dlcb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->dlcb; } alpm_cb_fetch SYMEXPORT alpm_option_get_fetchcb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->fetchcb; } alpm_cb_totaldl SYMEXPORT alpm_option_get_totaldlcb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->totaldlcb; } alpm_cb_event SYMEXPORT alpm_option_get_eventcb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->eventcb; } alpm_cb_question SYMEXPORT alpm_option_get_questioncb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->questioncb; } alpm_cb_progress SYMEXPORT alpm_option_get_progresscb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->progresscb; } const char SYMEXPORT *alpm_option_get_root(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->root; } const char SYMEXPORT *alpm_option_get_dbpath(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->dbpath; } alpm_list_t SYMEXPORT *alpm_option_get_cachedirs(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->cachedirs; } const char SYMEXPORT *alpm_option_get_logfile(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->logfile; } const char SYMEXPORT *alpm_option_get_lockfile(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->lockfile; } const char SYMEXPORT *alpm_option_get_gpgdir(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->gpgdir; } int SYMEXPORT alpm_option_get_usesyslog(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->usesyslog; } alpm_list_t SYMEXPORT *alpm_option_get_noupgrades(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->noupgrade; } alpm_list_t SYMEXPORT *alpm_option_get_noextracts(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->noextract; } alpm_list_t SYMEXPORT *alpm_option_get_ignorepkgs(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->ignorepkg; } alpm_list_t SYMEXPORT *alpm_option_get_ignoregroups(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->ignoregroup; } alpm_list_t SYMEXPORT *alpm_option_get_assumeinstalled(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->assumeinstalled; } const char SYMEXPORT *alpm_option_get_arch(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->arch; } double SYMEXPORT alpm_option_get_deltaratio(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->deltaratio; } int SYMEXPORT alpm_option_get_checkspace(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->checkspace; } int SYMEXPORT alpm_option_set_logcb(alpm_handle_t *handle, alpm_cb_log cb) { CHECK_HANDLE(handle, return -1); handle->logcb = cb; return 0; } int SYMEXPORT alpm_option_set_dlcb(alpm_handle_t *handle, alpm_cb_download cb) { CHECK_HANDLE(handle, return -1); handle->dlcb = cb; return 0; } int SYMEXPORT alpm_option_set_fetchcb(alpm_handle_t *handle, alpm_cb_fetch cb) { CHECK_HANDLE(handle, return -1); handle->fetchcb = cb; return 0; } int SYMEXPORT alpm_option_set_totaldlcb(alpm_handle_t *handle, alpm_cb_totaldl cb) { CHECK_HANDLE(handle, return -1); handle->totaldlcb = cb; return 0; } int SYMEXPORT alpm_option_set_eventcb(alpm_handle_t *handle, alpm_cb_event cb) { CHECK_HANDLE(handle, return -1); handle->eventcb = cb; return 0; } int SYMEXPORT alpm_option_set_questioncb(alpm_handle_t *handle, alpm_cb_question cb) { CHECK_HANDLE(handle, return -1); handle->questioncb = cb; return 0; } int SYMEXPORT alpm_option_set_progresscb(alpm_handle_t *handle, alpm_cb_progress cb) { CHECK_HANDLE(handle, return -1); handle->progresscb = cb; return 0; } static char *canonicalize_path(const char *path) { char *new_path; size_t len; /* verify path ends in a '/' */ len = strlen(path); if(path[len - 1] != '/') { len += 1; } CALLOC(new_path, len + 1, sizeof(char), return NULL); strcpy(new_path, path); new_path[len - 1] = '/'; return new_path; } alpm_errno_t _alpm_set_directory_option(const char *value, char **storage, int must_exist) { struct stat st; char real[PATH_MAX]; const char *path; path = value; if(!path) { return ALPM_ERR_WRONG_ARGS; } if(must_exist) { if(stat(path, &st) == -1 || !S_ISDIR(st.st_mode)) { return ALPM_ERR_NOT_A_DIR; } if(!realpath(path, real)) { return ALPM_ERR_NOT_A_DIR; } path = real; } if(*storage) { FREE(*storage); } *storage = canonicalize_path(path); if(!*storage) { return ALPM_ERR_MEMORY; } return 0; } int SYMEXPORT alpm_option_add_cachedir(alpm_handle_t *handle, const char *cachedir) { char *newcachedir; CHECK_HANDLE(handle, return -1); ASSERT(cachedir != NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1)); /* don't stat the cachedir yet, as it may not even be needed. we can * fail later if it is needed and the path is invalid. */ newcachedir = canonicalize_path(cachedir); if(!newcachedir) { RET_ERR(handle, ALPM_ERR_MEMORY, -1); } handle->cachedirs = alpm_list_add(handle->cachedirs, newcachedir); _alpm_log(handle, ALPM_LOG_DEBUG, "option 'cachedir' = %s\n", newcachedir); return 0; } int SYMEXPORT alpm_option_set_cachedirs(alpm_handle_t *handle, alpm_list_t *cachedirs) { alpm_list_t *i; CHECK_HANDLE(handle, return -1); if(handle->cachedirs) { FREELIST(handle->cachedirs); } for(i = cachedirs; i; i = i->next) { int ret = alpm_option_add_cachedir(handle, i->data); if(ret) { return ret; } } return 0; } int SYMEXPORT alpm_option_remove_cachedir(alpm_handle_t *handle, const char *cachedir) { char *vdata = NULL; char *newcachedir; CHECK_HANDLE(handle, return -1); ASSERT(cachedir != NULL, RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1)); newcachedir = canonicalize_path(cachedir); if(!newcachedir) { RET_ERR(handle, ALPM_ERR_MEMORY, -1); } handle->cachedirs = alpm_list_remove_str(handle->cachedirs, newcachedir, &vdata); FREE(newcachedir); if(vdata != NULL) { FREE(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_set_logfile(alpm_handle_t *handle, const char *logfile) { char *oldlogfile = handle->logfile; CHECK_HANDLE(handle, return -1); if(!logfile) { handle->pm_errno = ALPM_ERR_WRONG_ARGS; return -1; } STRDUP(handle->logfile, logfile, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); /* free the old logfile path string, and close the stream so logaction * will reopen a new stream on the new logfile */ if(oldlogfile) { FREE(oldlogfile); } if(handle->logstream) { fclose(handle->logstream); handle->logstream = NULL; } _alpm_log(handle, ALPM_LOG_DEBUG, "option 'logfile' = %s\n", handle->logfile); return 0; } int SYMEXPORT alpm_option_set_gpgdir(alpm_handle_t *handle, const char *gpgdir) { CHECK_HANDLE(handle, return -1); if(!gpgdir) { handle->pm_errno = ALPM_ERR_WRONG_ARGS; return -1; } if(handle->gpgdir) { FREE(handle->gpgdir); } STRDUP(handle->gpgdir, gpgdir, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); _alpm_log(handle, ALPM_LOG_DEBUG, "option 'gpgdir' = %s\n", handle->gpgdir); return 0; } int SYMEXPORT alpm_option_set_usesyslog(alpm_handle_t *handle, int usesyslog) { CHECK_HANDLE(handle, return -1); handle->usesyslog = usesyslog; return 0; } static int _alpm_option_strlist_add(alpm_handle_t *handle, alpm_list_t **list, const char *str) { char *dup; CHECK_HANDLE(handle, return -1); STRDUP(dup, str, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); *list = alpm_list_add(*list, dup); return 0; } static int _alpm_option_strlist_set(alpm_handle_t *handle, alpm_list_t **list, alpm_list_t *newlist) { CHECK_HANDLE(handle, return -1); FREELIST(*list); *list = alpm_list_strdup(newlist); return 0; } static int _alpm_option_strlist_rem(alpm_handle_t *handle, alpm_list_t **list, const char *str) { char *vdata = NULL; CHECK_HANDLE(handle, return -1); *list = alpm_list_remove_str(*list, str, &vdata); if(vdata != NULL) { FREE(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_add_noupgrade(alpm_handle_t *handle, const char *pkg) { return _alpm_option_strlist_add(handle, &(handle->noupgrade), pkg); } int SYMEXPORT alpm_option_set_noupgrades(alpm_handle_t *handle, alpm_list_t *noupgrade) { return _alpm_option_strlist_set(handle, &(handle->noupgrade), noupgrade); } int SYMEXPORT alpm_option_remove_noupgrade(alpm_handle_t *handle, const char *pkg) { return _alpm_option_strlist_rem(handle, &(handle->noupgrade), pkg); } int SYMEXPORT alpm_option_match_noupgrade(alpm_handle_t *handle, const char *path) { return _alpm_fnmatch_patterns(handle->noupgrade, path); } int SYMEXPORT alpm_option_add_noextract(alpm_handle_t *handle, const char *path) { return _alpm_option_strlist_add(handle, &(handle->noextract), path); } int SYMEXPORT alpm_option_set_noextracts(alpm_handle_t *handle, alpm_list_t *noextract) { return _alpm_option_strlist_set(handle, &(handle->noextract), noextract); } int SYMEXPORT alpm_option_remove_noextract(alpm_handle_t *handle, const char *path) { return _alpm_option_strlist_rem(handle, &(handle->noextract), path); } int SYMEXPORT alpm_option_match_noextract(alpm_handle_t *handle, const char *path) { return _alpm_fnmatch_patterns(handle->noextract, path); } int SYMEXPORT alpm_option_add_ignorepkg(alpm_handle_t *handle, const char *pkg) { return _alpm_option_strlist_add(handle, &(handle->ignorepkg), pkg); } int SYMEXPORT alpm_option_set_ignorepkgs(alpm_handle_t *handle, alpm_list_t *ignorepkgs) { return _alpm_option_strlist_set(handle, &(handle->ignorepkg), ignorepkgs); } int SYMEXPORT alpm_option_remove_ignorepkg(alpm_handle_t *handle, const char *pkg) { return _alpm_option_strlist_rem(handle, &(handle->ignorepkg), pkg); } int SYMEXPORT alpm_option_add_ignoregroup(alpm_handle_t *handle, const char *grp) { return _alpm_option_strlist_add(handle, &(handle->ignoregroup), grp); } int SYMEXPORT alpm_option_set_ignoregroups(alpm_handle_t *handle, alpm_list_t *ignoregrps) { return _alpm_option_strlist_set(handle, &(handle->ignoregroup), ignoregrps); } int SYMEXPORT alpm_option_remove_ignoregroup(alpm_handle_t *handle, const char *grp) { return _alpm_option_strlist_rem(handle, &(handle->ignoregroup), grp); } int SYMEXPORT alpm_option_add_assumeinstalled(alpm_handle_t *handle, const alpm_depend_t *dep) { CHECK_HANDLE(handle, return -1); handle->assumeinstalled = alpm_list_add(handle->assumeinstalled, (void *)dep); return 0; } int SYMEXPORT alpm_option_set_assumeinstalled(alpm_handle_t *handle, alpm_list_t *deps) { CHECK_HANDLE(handle, return -1); if(handle->assumeinstalled) { alpm_list_free_inner(handle->assumeinstalled, (alpm_list_fn_free)alpm_dep_free); alpm_list_free(handle->assumeinstalled); } handle->assumeinstalled = deps; return 0; } static int assumeinstalled_cmp(const void *d1, const void *d2) { const alpm_depend_t *dep1 = d1; const alpm_depend_t *dep2 = d2; if(strcmp(dep1->name, dep2->name) == 0 && strcmp(dep1->version, dep2->version) == 0) { return 0; } return -1; } int SYMEXPORT alpm_option_remove_assumeinstalled(alpm_handle_t *handle, const alpm_depend_t *dep) { alpm_depend_t *vdata = NULL; CHECK_HANDLE(handle, return -1); handle->assumeinstalled = alpm_list_remove(handle->assumeinstalled, dep, &assumeinstalled_cmp, (void **)&vdata); if(vdata != NULL) { alpm_dep_free(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_set_arch(alpm_handle_t *handle, const char *arch) { CHECK_HANDLE(handle, return -1); if(handle->arch) FREE(handle->arch); STRDUP(handle->arch, arch, RET_ERR(handle, ALPM_ERR_MEMORY, -1)); return 0; } int SYMEXPORT alpm_option_set_deltaratio(alpm_handle_t *handle, double ratio) { CHECK_HANDLE(handle, return -1); if(ratio < 0.0 || ratio > 2.0) { RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1); } handle->deltaratio = ratio; return 0; } alpm_db_t SYMEXPORT *alpm_get_localdb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->db_local; } alpm_list_t SYMEXPORT *alpm_get_syncdbs(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->dbs_sync; } int SYMEXPORT alpm_option_set_checkspace(alpm_handle_t *handle, int checkspace) { CHECK_HANDLE(handle, return -1); handle->checkspace = checkspace; return 0; } int SYMEXPORT alpm_option_set_default_siglevel(alpm_handle_t *handle, alpm_siglevel_t level) { CHECK_HANDLE(handle, return -1); #ifdef HAVE_LIBGPGME handle->siglevel = level; #else if(level != 0 && level != ALPM_SIG_USE_DEFAULT) { RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1); } #endif return 0; } alpm_siglevel_t SYMEXPORT alpm_option_get_default_siglevel(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->siglevel; } int SYMEXPORT alpm_option_set_local_file_siglevel(alpm_handle_t *handle, alpm_siglevel_t level) { CHECK_HANDLE(handle, return -1); #ifdef HAVE_LIBGPGME handle->localfilesiglevel = level; #else if(level != 0 && level != ALPM_SIG_USE_DEFAULT) { RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1); } #endif return 0; } alpm_siglevel_t SYMEXPORT alpm_option_get_local_file_siglevel(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); if(handle->localfilesiglevel & ALPM_SIG_USE_DEFAULT) { return handle->siglevel; } else { return handle->localfilesiglevel; } } int SYMEXPORT alpm_option_set_remote_file_siglevel(alpm_handle_t *handle, alpm_siglevel_t level) { CHECK_HANDLE(handle, return -1); #ifdef HAVE_LIBGPGME handle->remotefilesiglevel = level; #else if(level != 0 && level != ALPM_SIG_USE_DEFAULT) { RET_ERR(handle, ALPM_ERR_WRONG_ARGS, -1); } #endif return 0; } alpm_siglevel_t SYMEXPORT alpm_option_get_remote_file_siglevel(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); if(handle->remotefilesiglevel & ALPM_SIG_USE_DEFAULT) { return handle->siglevel; } else { return handle->remotefilesiglevel; } } /* vim: set noet: */