/* * handle.c * * Copyright (c) 2006-2011 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 "config.h" #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 "trans.h" #include "alpm.h" alpm_handle_t *_alpm_handle_new() { alpm_handle_t *handle; CALLOC(handle, 1, sizeof(alpm_handle_t), return NULL); #ifdef HAVE_LIBGPGME handle->siglevel = ALPM_SIG_PACKAGE | ALPM_SIG_PACKAGE_OPTIONAL | ALPM_SIG_DATABASE | ALPM_SIG_DATABASE_OPTIONAL; #endif 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 /* 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->dbs_sync); FREELIST(handle->noupgrade); FREELIST(handle->noextract); FREELIST(handle->ignorepkg); FREELIST(handle->ignoregroup); FREE(handle); } /** Lock the database */ int _alpm_handle_lock(alpm_handle_t *handle) { int fd; char *dir, *ptr; ASSERT(handle->lockfile != NULL, return -1); ASSERT(handle->lckstream == NULL, 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 { fd = open(handle->lockfile, O_WRONLY | O_CREAT | O_EXCL, 0000); } while(fd == -1 && errno == EINTR); if(fd > 0) { FILE *f = fdopen(fd, "w"); fprintf(f, "%ld\n", (long)getpid()); fflush(f); fsync(fd); handle->lckstream = f; return 0; } return -1; } /** Remove a lock file */ int _alpm_handle_unlock(alpm_handle_t *handle) { ASSERT(handle->lockfile != NULL, return -1); ASSERT(handle->lckstream != NULL, return 0); if(handle->lckstream != NULL) { fclose(handle->lckstream); handle->lckstream = NULL; } if(unlink(handle->lockfile) && errno != ENOENT) { 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; } 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; } const char SYMEXPORT *alpm_option_get_arch(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->arch; } int SYMEXPORT alpm_option_get_usedelta(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->usedelta; } int SYMEXPORT alpm_option_get_checkspace(alpm_handle_t *handle) { CHECK_HANDLE(handle, return -1); return handle->checkspace; } alpm_db_t SYMEXPORT *alpm_option_get_localdb(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->db_local; } alpm_list_t SYMEXPORT *alpm_option_get_syncdbs(alpm_handle_t *handle) { CHECK_HANDLE(handle, return NULL); return handle->dbs_sync; } 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; } 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; } enum _alpm_errno_t _alpm_set_directory_option(const char *value, char **storage, int must_exist) { struct stat st; char *real = NULL; 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; } CALLOC(real, PATH_MAX, sizeof(char), return ALPM_ERR_MEMORY); if(!realpath(path, real)) { free(real); return ALPM_ERR_NOT_A_DIR; } path = real; } if(*storage) { FREE(*storage); } *storage = canonicalize_path(path); if(!*storage) { return ALPM_ERR_MEMORY; } free(real); 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; } handle->logfile = strdup(logfile); /* 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); } handle->gpgdir = strdup(gpgdir); _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; } int SYMEXPORT alpm_option_add_noupgrade(alpm_handle_t *handle, const char *pkg) { CHECK_HANDLE(handle, return -1); handle->noupgrade = alpm_list_add(handle->noupgrade, strdup(pkg)); return 0; } int SYMEXPORT alpm_option_set_noupgrades(alpm_handle_t *handle, alpm_list_t *noupgrade) { CHECK_HANDLE(handle, return -1); if(handle->noupgrade) FREELIST(handle->noupgrade); handle->noupgrade = alpm_list_strdup(noupgrade); return 0; } int SYMEXPORT alpm_option_remove_noupgrade(alpm_handle_t *handle, const char *pkg) { char *vdata = NULL; CHECK_HANDLE(handle, return -1); handle->noupgrade = alpm_list_remove_str(handle->noupgrade, pkg, &vdata); if(vdata != NULL) { FREE(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_add_noextract(alpm_handle_t *handle, const char *pkg) { CHECK_HANDLE(handle, return -1); handle->noextract = alpm_list_add(handle->noextract, strdup(pkg)); return 0; } int SYMEXPORT alpm_option_set_noextracts(alpm_handle_t *handle, alpm_list_t *noextract) { CHECK_HANDLE(handle, return -1); if(handle->noextract) FREELIST(handle->noextract); handle->noextract = alpm_list_strdup(noextract); return 0; } int SYMEXPORT alpm_option_remove_noextract(alpm_handle_t *handle, const char *pkg) { char *vdata = NULL; CHECK_HANDLE(handle, return -1); handle->noextract = alpm_list_remove_str(handle->noextract, pkg, &vdata); if(vdata != NULL) { FREE(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_add_ignorepkg(alpm_handle_t *handle, const char *pkg) { CHECK_HANDLE(handle, return -1); handle->ignorepkg = alpm_list_add(handle->ignorepkg, strdup(pkg)); return 0; } int SYMEXPORT alpm_option_set_ignorepkgs(alpm_handle_t *handle, alpm_list_t *ignorepkgs) { CHECK_HANDLE(handle, return -1); if(handle->ignorepkg) FREELIST(handle->ignorepkg); handle->ignorepkg = alpm_list_strdup(ignorepkgs); return 0; } int SYMEXPORT alpm_option_remove_ignorepkg(alpm_handle_t *handle, const char *pkg) { char *vdata = NULL; CHECK_HANDLE(handle, return -1); handle->ignorepkg = alpm_list_remove_str(handle->ignorepkg, pkg, &vdata); if(vdata != NULL) { FREE(vdata); return 1; } return 0; } int SYMEXPORT alpm_option_add_ignoregroup(alpm_handle_t *handle, const char *grp) { CHECK_HANDLE(handle, return -1); handle->ignoregroup = alpm_list_add(handle->ignoregroup, strdup(grp)); return 0; } int SYMEXPORT alpm_option_set_ignoregroups(alpm_handle_t *handle, alpm_list_t *ignoregrps) { CHECK_HANDLE(handle, return -1); if(handle->ignoregroup) FREELIST(handle->ignoregroup); handle->ignoregroup = alpm_list_strdup(ignoregrps); return 0; } int SYMEXPORT alpm_option_remove_ignoregroup(alpm_handle_t *handle, const char *grp) { char *vdata = NULL; CHECK_HANDLE(handle, return -1); handle->ignoregroup = alpm_list_remove_str(handle->ignoregroup, grp, &vdata); if(vdata != NULL) { 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); if(arch) { handle->arch = strdup(arch); } else { handle->arch = NULL; } return 0; } int SYMEXPORT alpm_option_set_usedelta(alpm_handle_t *handle, int usedelta) { CHECK_HANDLE(handle, return -1); handle->usedelta = usedelta; return 0; } 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; } /* vim: set ts=2 sw=2 noet: */