| index : pacman | |
| Archlinux32 fork of pacman | gitolite user |
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| -rw-r--r-- | lib/libalpm/alpm.c | 1153 |
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c index afb6226b..62bb8316 100644 --- a/lib/libalpm/alpm.c +++ b/lib/libalpm/alpm.c @@ -1,11 +1,11 @@ /* * alpm.c - * - * Copyright (c) 2002-2006 by Judd Vinet <jvinet@zeroflux.org> + * + * Copyright (c) 2002-2007 by Judd Vinet <jvinet@zeroflux.org> * Copyright (c) 2005 by Aurelien Foret <orelien@chez.com> * Copyright (c) 2005 by Christian Hamar <krics@linuxforum.hu> * 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 @@ -18,54 +18,20 @@ * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, * USA. */ #include "config.h" -#include <stdio.h> -#include <stdlib.h> -#include <errno.h> -#include <fcntl.h> -#include <ctype.h> -#include <string.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <unistd.h> -#include <time.h> -#include <syslog.h> -#include <limits.h> /* PATH_MAX */ -#include <stdarg.h> -#include <libintl.h> - /* libalpm */ #include "alpm.h" #include "alpm_list.h" -#include "log.h" #include "error.h" -#include "versioncmp.h" -#include "md5.h" -#include "sha1.h" -#include "package.h" -#include "group.h" -#include "util.h" -#include "db.h" -#include "cache.h" -#include "deps.h" -#include "conflict.h" -#include "backup.h" -#include "add.h" -#include "remove.h" -#include "sync.h" #include "handle.h" -#include "provide.h" -#include "server.h" - -#define min(X, Y) ((X) < (Y) ? (X) : (Y)) +#include "util.h" /* Globals */ -pmhandle_t *handle = NULL; enum _pmerrno_t pm_errno SYMEXPORT; /** \addtogroup alpm_interface Interface Functions @@ -77,7 +43,7 @@ enum _pmerrno_t pm_errno SYMEXPORT; * functions are called. * @return 0 on success, -1 on error (pm_errno is set accordingly) */ -int SYMEXPORT alpm_initialize() +int SYMEXPORT alpm_initialize(void) { ASSERT(handle == NULL, RET_ERR(PM_ERR_HANDLE_NOT_NULL, -1)); @@ -86,1126 +52,35 @@ int SYMEXPORT alpm_initialize() RET_ERR(PM_ERR_MEMORY, -1); } - return(0); -} - -/** Release the library. This should be the last alpm call you make. - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_release() -{ - int dbs_left = 0; - - ALPM_LOG_FUNC; - - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - - /* free the transaction if there is any */ - if(handle->trans) { - alpm_trans_release(); - } - - /* close local database */ - if(handle->db_local) { - alpm_db_unregister(handle->db_local); - handle->db_local = NULL; - } - /* and also sync ones */ - while((dbs_left = alpm_list_count(handle->dbs_sync)) > 0) { - pmdb_t *db = (pmdb_t *)handle->dbs_sync->data; - _alpm_log(PM_LOG_DEBUG, _("removing DB %s, %d remaining..."), db->treename, dbs_left); - alpm_db_unregister(db); - db = NULL; - } - - FREEHANDLE(handle); +#ifdef ENABLE_NLS + bindtextdomain("libalpm", LOCALEDIR); +#endif return(0); } -/** @} */ - -/** \addtogroup alpm_databases Database Functions - * @brief Functions to query and manipulate the database of libalpm - * @{ - */ - -/** Register a package database - * @param treename the name of the repository - * @return a pmdb_t* on success (the value), NULL on error - */ -pmdb_t SYMEXPORT *alpm_db_register(char *treename) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, NULL)); - ASSERT(treename != NULL && strlen(treename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, NULL)); - /* Do not register a database if a transaction is on-going */ - ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, NULL)); - - return(_alpm_db_register(treename, NULL)); -} - -/** Unregister a package database - * @param db pointer to the package database to unregister - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int alpm_db_unregister(pmdb_t *db) -{ - int found = 0; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(db != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - /* Do not unregister a database if a transaction is on-going */ - ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1)); - - if(db == handle->db_local) { - handle->db_local = NULL; - found = 1; - } else { - void *data; - handle->dbs_sync = alpm_list_remove(handle->dbs_sync, db, _alpm_db_cmp, &data); - if(data) { - found = 1; - } - } - - if(!found) { - RET_ERR(PM_ERR_DB_NOT_FOUND, -1); - } - - _alpm_log(PM_LOG_DEBUG, _("unregistering database '%s'"), db->treename); - - /* Cleanup */ - _alpm_db_free_pkgcache(db); - - _alpm_log(PM_LOG_DEBUG, _("closing database '%s'"), db->treename); - _alpm_db_close(db); - - _alpm_db_free(db); - - return(0); -} - -/** Set the serverlist of a database. - * @param db database pointer - * @param url url of the server - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int alpm_db_setserver(pmdb_t *db, const char *url) -{ - int found = 0; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1)); - - if(strcmp(db->treename, "local") == 0) { - if(handle->db_local != NULL) { - found = 1; - } - } else { - alpm_list_t *i; - for(i = handle->dbs_sync; i && !found; i = i->next) { - pmdb_t *sdb = i->data; - if(strcmp(db->treename, sdb->treename) == 0) { - found = 1; - } - } - } - if(!found) { - RET_ERR(PM_ERR_DB_NOT_FOUND, -1); - } - - if(url && strlen(url)) { - pmserver_t *server; - if((server = _alpm_server_new(url)) == NULL) { - /* pm_errno is set by _alpm_server_new */ - return(-1); - } - db->servers = alpm_list_add(db->servers, server); - _alpm_log(PM_LOG_DEBUG, _("adding new server to database '%s': protocol '%s', server '%s', path '%s'"), - db->treename, server->s_url->scheme, server->s_url->host, server->s_url->doc); - } else { - FREELIST(db->servers); - _alpm_log(PM_LOG_DEBUG, _("serverlist flushed for '%s'"), db->treename); - } - - return(0); -} - -/** Update a package database - * @param force if true, then forces the update, otherwise update only in case - * the database isn't up to date - * @param db pointer to the package database to update - * @return 0 on success, > 0 on error (pm_errno is set accordingly), < 0 if up - * to date - */ -int SYMEXPORT alpm_db_update(int force, pmdb_t *db) -{ - alpm_list_t *lp; - char path[PATH_MAX]; - alpm_list_t *files = NULL; - char newmtime[16] = ""; - char lastupdate[16] = ""; - int ret; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(db != NULL && db != handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - /* Verify we are in a transaction. This is done _mainly_ because we need a DB - * lock - if we update without a db lock, we may kludge some other pacman - * process that _has_ a lock. - */ - ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); - ASSERT(handle->trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1)); - - if(!alpm_list_find(handle->dbs_sync, db)) { - RET_ERR(PM_ERR_DB_NOT_FOUND, -1); - } - - if(!force) { - /* get the lastupdate time */ - _alpm_db_getlastupdate(db, lastupdate); - if(strlen(lastupdate) == 0) { - _alpm_log(PM_LOG_DEBUG, _("failed to get lastupdate time for %s (no big deal)"), db->treename); - } - } - - /* build a one-element list */ - snprintf(path, PATH_MAX, "%s" PM_EXT_DB, db->treename); - files = alpm_list_add(files, strdup(path)); - - snprintf(path, PATH_MAX, "%s%s", handle->root, handle->dbpath); - - ret = _alpm_downloadfiles_forreal(db->servers, path, files, lastupdate, newmtime); - FREELIST(files); - if(ret == 1) { - /* mtimes match, do nothing */ - pm_errno = 0; - return(1); - } else if(ret == -1) { - /* we use downloadLastErrString and downloadLastErrCode here, error returns from - * libdownload */ - _alpm_log(PM_LOG_DEBUG, _("failed to sync db: %s [%d]"), downloadLastErrString, downloadLastErrCode); - RET_ERR(PM_ERR_DB_SYNC, -1); - } else { - if(strlen(newmtime)) { - _alpm_log(PM_LOG_DEBUG, _("sync: new mtime for %s: %s"), db->treename, newmtime); - _alpm_db_setlastupdate(db, newmtime); - } - snprintf(path, PATH_MAX, "%s%s%s" PM_EXT_DB, handle->root, handle->dbpath, db->treename); - - /* remove the old dir */ - _alpm_log(PM_LOG_DEBUG, _("flushing database %s%s"), db->path); - for(lp = _alpm_db_get_pkgcache(db); lp; lp = lp->next) { - pmpkg_t *pkg = lp->data; - if(pkg && _alpm_db_remove(db, pkg) == -1) { - _alpm_log(PM_LOG_ERROR, _("could not remove database entry %s%s"), db->treename, - alpm_pkg_get_name(pkg)); - RET_ERR(PM_ERR_DB_REMOVE, -1); - } - } - - /* Cache needs to be rebuild */ - _alpm_db_free_pkgcache(db); - - /* uncompress the sync database */ - if(_alpm_db_install(db, path) == -1) { - return -1; - } - } - - return(0); -} - -/** Get a package entry from a package database - * @param db pointer to the package database to get the package from - * @param name of the package - * @return the package entry on success, NULL on error - */ -pmpkg_t SYMEXPORT *alpm_db_get_pkg(pmdb_t *db, const char *name) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - ASSERT(name != NULL && strlen(name) != 0, return(NULL)); - - return(_alpm_db_get_pkgfromcache(db, name)); -} - -/** Get the package cache of a package database - * @param db pointer to the package database to get the package from - * @return the list of packages on success, NULL on error - */ -alpm_list_t SYMEXPORT *alpm_db_getpkgcache(pmdb_t *db) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - - return(_alpm_db_get_pkgcache(db)); -} - -/** Get the list of packages that a package provides - * @param db pointer to the package database to get the package from - * @param name name of the package - * @return the list of packages on success, NULL on error - */ -alpm_list_t SYMEXPORT *alpm_db_whatprovides(pmdb_t *db, const char *name) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - ASSERT(name != NULL && strlen(name) != 0, return(NULL)); - - return(_alpm_db_whatprovides(db, name)); -} - -/** Get a group entry from a package database - * @param db pointer to the package database to get the group from - * @param name of the group - * @return the groups entry on success, NULL on error - */ -pmgrp_t SYMEXPORT *alpm_db_readgrp(pmdb_t *db, const char *name) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - ASSERT(name != NULL && strlen(name) != 0, return(NULL)); - - return(_alpm_db_get_grpfromcache(db, name)); -} - -/** Get the group cache of a package database - * @param db pointer to the package database to get the group from - * @return the list of groups on success, NULL on error - */ -alpm_list_t SYMEXPORT *alpm_db_getgrpcache(pmdb_t *db) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - - return(_alpm_db_get_grpcache(db)); -} - -/** @} */ - -/** \addtogroup alpm_packages Package Functions - * @brief Functions to manipulate libalpm packages - * @{ - */ - -/** Create a package from a file. - * @param filename location of the package tarball - * @param pkg address of the package pointer - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_pkg_load(char *filename, pmpkg_t **pkg) -{ - _alpm_log(PM_LOG_FUNCTION, "enter alpm_pkg_load"); - - /* Sanity checks */ - ASSERT(filename != NULL && strlen(filename) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - - *pkg = _alpm_pkg_load(filename); - if(*pkg == NULL) { - /* pm_errno is set by pkg_load */ - return(-1); - } - - return(0); -} - -/** Free a package. - * @param pkg package pointer to free - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_pkg_free(pmpkg_t *pkg) -{ - _alpm_log(PM_LOG_FUNCTION, "enter alpm_pkg_free"); - - ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - - /* Only free packages loaded in user space */ - if(pkg->origin != PKG_FROM_CACHE) { - _alpm_pkg_free(pkg); - } - - return(0); -} - -/** Check the integrity (with sha1) of a package from the sync cache. - * @param pkg package pointer - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int alpm_pkg_checksha1sum(pmpkg_t *pkg) -{ - char path[PATH_MAX]; - char *sha1sum = NULL; - int retval = 0; - - ALPM_LOG_FUNC; - - ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - /* We only inspect packages from sync repositories */ - ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1)); - ASSERT(pkg->data != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1)); - - snprintf(path, PATH_MAX, "%s%s/%s-%s" PM_EXT_PKG, - handle->root, handle->cachedir, - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - - sha1sum = _alpm_SHAFile(path); - if(sha1sum == NULL) { - _alpm_log(PM_LOG_ERROR, _("could not get sha1sum for package %s-%s"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - pm_errno = PM_ERR_NOT_A_FILE; - retval = -1; - } else { - if(strcmp(sha1sum, alpm_pkg_get_sha1sum(pkg)) == 0) { - _alpm_log(PM_LOG_DEBUG, _("sha1sums for package %s-%s match"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - } else { - _alpm_log(PM_LOG_ERROR, _("sha1sums do not match for package %s-%s"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - pm_errno = PM_ERR_PKG_INVALID; - retval = -1; - } - } - - FREE(sha1sum); - - return(retval); -} - -/** Check the integrity (with md5) of a package from the sync cache. - * @param pkg package pointer - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int alpm_pkg_checkmd5sum(pmpkg_t *pkg) -{ - char path[PATH_MAX]; - char *md5sum = NULL; - int retval = 0; - - ALPM_LOG_FUNC; - - ASSERT(pkg != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - /* We only inspect packages from sync repositories */ - ASSERT(pkg->origin == PKG_FROM_CACHE, RET_ERR(PM_ERR_PKG_INVALID, -1)); - ASSERT(pkg->data != handle->db_local, RET_ERR(PM_ERR_PKG_INVALID, -1)); - - snprintf(path, PATH_MAX, "%s%s/%s-%s" PM_EXT_PKG, - handle->root, handle->cachedir, - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - - md5sum = _alpm_MDFile(path); - if(md5sum == NULL) { - _alpm_log(PM_LOG_ERROR, _("could not get md5sum for package %s-%s"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - pm_errno = PM_ERR_NOT_A_FILE; - retval = -1; - } else { - if(strcmp(md5sum, alpm_pkg_get_md5sum(pkg)) == 0) { - _alpm_log(PM_LOG_DEBUG, _("md5sums for package %s-%s match"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - } else { - _alpm_log(PM_LOG_ERROR, _("md5sums do not match for package %s-%s"), - alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); - pm_errno = PM_ERR_PKG_INVALID; - retval = -1; - } - } - - FREE(md5sum); - - return(retval); -} - -/** Compare versions. - * @param ver1 first version - * @param ver2 secont version - * @return postive, 0 or negative if ver1 is less, equal or more - * than ver2, respectively. - */ -int SYMEXPORT alpm_pkg_vercmp(const char *ver1, const char *ver2) -{ - ALPM_LOG_FUNC; - - return(_alpm_versioncmp(ver1, ver2)); -} - -/* internal */ -static char *_supported_archs[] = { - "i586", - "i686", - "ppc", - "x86_64", -}; - -char SYMEXPORT *alpm_pkg_name_hasarch(char *pkgname) -{ - /* TODO remove this when we transfer everything over to -ARCH - * - * this parsing sucks... it's done to support - * two package formats for the time being: - * package-name-foo-1.0.0-1-i686 - * and - * package-name-bar-1.2.3-1 - */ - size_t i = 0; - char *arch, *cmp, *p; - - ALPM_LOG_FUNC; - - if((p = strrchr(pkgname, '-'))) { - for(i=0; i < sizeof(_supported_archs)/sizeof(char*); ++i) { - cmp = p+1; - arch = _supported_archs[i]; - - /* whee, case insensitive compare */ - while(*arch && *cmp && tolower(*arch++) == tolower(*cmp++)) ; - if(*arch || *cmp) { - continue; - } - - return(p); - } - } - return(NULL); -} - -/** @} */ - -/** \addtogroup alpm_sync Sync Functions - * @brief Functions to get informations about libalpm syncs - * @{ - */ - -/** Searches a database - * @param db pointer to the package database to search in - * @param needles the list of strings to search for - * @return the list of packages on success, NULL on error - */ -alpm_list_t SYMEXPORT *alpm_db_search(pmdb_t *db, alpm_list_t* needles) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, return(NULL)); - ASSERT(db != NULL, return(NULL)); - - return(_alpm_db_search(db, needles)); -} - -/** @} */ - -/** \addtogroup alpm_trans Transaction Functions - * @brief Functions to manipulate libalpm transactions - * @{ - */ - -/** Initialize the transaction. - * @param type type of the transaction - * @param flags flags of the transaction (like nodeps, etc) - * @param event event callback function pointer - * @param conv question callback function pointer - * @param progress progress callback function pointer - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_init(pmtranstype_t type, pmtransflag_t flags, - alpm_trans_cb_event event, alpm_trans_cb_conv conv, - alpm_trans_cb_progress progress) -{ - char path[PATH_MAX]; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - - ASSERT(handle->trans == NULL, RET_ERR(PM_ERR_TRANS_NOT_NULL, -1)); - - /* lock db */ - snprintf(path, PATH_MAX, "%s%s", handle->root, PM_LOCK); - handle->lckfd = _alpm_lckmk(path); - if(handle->lckfd == -1) { - RET_ERR(PM_ERR_HANDLE_LOCK, -1); - } - - handle->trans = _alpm_trans_new(); - if(handle->trans == NULL) { - RET_ERR(PM_ERR_MEMORY, -1); - } - - return(_alpm_trans_init(handle->trans, type, flags, event, conv, progress)); -} - -/** Search for packages to upgrade and add them to the transaction. - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_sysupgrade() -{ - pmtrans_t *trans; - - ALPM_LOG_FUNC; - - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - - trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); - ASSERT(trans->type == PM_TRANS_TYPE_SYNC, RET_ERR(PM_ERR_TRANS_TYPE, -1)); - - return(_alpm_trans_sysupgrade(trans)); -} - -/** Add a target to the transaction. - * @param target the name of the target to add - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_addtarget(char *target) -{ - pmtrans_t *trans; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(target != NULL && strlen(target) != 0, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - - trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); - - return(_alpm_trans_addtarget(trans, target)); -} - -/** Prepare a transaction. - * @param data the address of a PM_LIST where detailed description - * of an error can be dumped (ie. list of conflicting files) - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_prepare(alpm_list_t **data) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - ASSERT(data != NULL, RET_ERR(PM_ERR_WRONG_ARGS, -1)); - - ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(handle->trans->state == STATE_INITIALIZED, RET_ERR(PM_ERR_TRANS_NOT_INITIALIZED, -1)); - - return(_alpm_trans_prepare(handle->trans, data)); -} - -/** Commit a transaction. - * @param data the address of a PM_LIST where detailed description - * of an error can be dumped (ie. list of conflicting files) - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_commit(alpm_list_t **data) -{ - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - - ASSERT(handle->trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(handle->trans->state == STATE_PREPARED, RET_ERR(PM_ERR_TRANS_NOT_PREPARED, -1)); - - /* Check for database R/W permission */ - if(!(handle->trans->flags & PM_TRANS_FLAG_PRINTURIS)) { - /* The print-uris operation is a bit odd. So we explicitly check for it */ - ASSERT(handle->access == PM_ACCESS_RW, RET_ERR(PM_ERR_BADPERMS, -1)); - } - - return(_alpm_trans_commit(handle->trans, data)); -} - -/** Release a transaction. +/** Release the library. This should be the last alpm call you make. * @return 0 on success, -1 on error (pm_errno is set accordingly) */ -int SYMEXPORT alpm_trans_release() +int SYMEXPORT alpm_release(void) { - pmtrans_t *trans; - char path[PATH_MAX]; - ALPM_LOG_FUNC; - /* Sanity checks */ ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - trans = handle->trans; - ASSERT(trans != NULL, RET_ERR(PM_ERR_TRANS_NULL, -1)); - ASSERT(trans->state != STATE_IDLE, RET_ERR(PM_ERR_TRANS_NULL, -1)); - - /* during a commit do not interrupt inmediatelly, just after a target */ - if(trans->state == STATE_COMMITING || trans->state == STATE_INTERRUPTED) { - if(trans->state == STATE_COMMITING) { - trans->state = STATE_INTERRUPTED; - } - pm_errno = PM_ERR_TRANS_COMMITING; + if(alpm_db_unregister_all() == -1) { return(-1); } - FREETRANS(handle->trans); - - /* unlock db */ - if(handle->lckfd != -1) { - close(handle->lckfd); - handle->lckfd = -1; - } - snprintf(path, PATH_MAX, "%s%s", handle->root, PM_LOCK); - if(_alpm_lckrm(path)) { - _alpm_log(PM_LOG_WARNING, _("could not remove lock file %s"), path); - alpm_logaction(_("warning: could not remove lock file %s"), path); - } + _alpm_handle_free(handle); return(0); } /** @} */ -/** \addtogroup alpm_log Logging Functions - * @brief Functions to log using libalpm - * @{ - */ - -/** A printf-like function for logging. - * @param fmt output format - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_logaction(char *fmt, ...) -{ - char str[LOG_STR_LEN]; - va_list args; - - ALPM_LOG_FUNC; - - /* Sanity checks */ - ASSERT(handle != NULL, RET_ERR(PM_ERR_HANDLE_NULL, -1)); - - va_start(args, fmt); - vsnprintf(str, LOG_STR_LEN, fmt, args); - va_end(args); - - /* TODO We should add a prefix to log strings depending on who called us. - * If logaction was called by the frontend: - * USER: <the frontend log> - * and if called internally: - * ALPM: <the library log> - * Moreover, the frontend should be able to choose its prefix - * (USER by default?): - * pacman: "PACMAN" - * kpacman: "KPACMAN" - * This would allow us to share the log file between several frontends - * and know who does what */ - return(_alpm_logaction(handle->usesyslog, handle->logfd, str)); -} -/** @} */ - -/** \addtogroup alpm_misc Miscellaneous Functions +/** @defgroup alpm_misc Miscellaneous Functions * @brief Various libalpm functions - * @{ - */ - -/** Get the md5 sum of file. - * @param name name of the file - * @return the checksum on success, NULL on error - */ -char SYMEXPORT *alpm_get_md5sum(char *name) -{ - ALPM_LOG_FUNC; - - ASSERT(name != NULL, return(NULL)); - - return(_alpm_MDFile(name)); -} - -/** Get the sha1 sum of file. - * @param name name of the file - * @return the checksum on success, NULL on error - */ -char SYMEXPORT *alpm_get_sha1sum(char *name) -{ - ALPM_LOG_FUNC; - - ASSERT(name != NULL, return(NULL)); - - return(_alpm_SHAFile(name)); -} - -/** Fetch a remote pkg. - * @param url - * @return the downloaded filename on success, NULL on error - */ -char SYMEXPORT *alpm_fetch_pkgurl(char *url) -{ - ALPM_LOG_FUNC; - - ASSERT(strstr(url, "://"), return(NULL)); - - return(_alpm_fetch_pkgurl(url)); -} - -/** Parses a configuration file. - * @param file path to the config file. - * @param callback a function to be called upon new database creation - * @param this_section the config current section being parsed - * @return 0 on success, -1 on error (pm_errno is set accordingly) */ -int SYMEXPORT alpm_parse_config(char *file, alpm_cb_db_register callback, const char *this_section) -{ - FILE *fp = NULL; - char line[PATH_MAX+1]; - char *ptr = NULL; - char *key = NULL; - int linenum = 0; - char origkey[256]; - char section[256] = ""; - pmdb_t *db = NULL; - - ALPM_LOG_FUNC; - - fp = fopen(file, "r"); - if(fp == NULL) { - return(0); - } - - if(this_section != NULL && strlen(this_section) > 0) { - strncpy(section, this_section, min(255, strlen(this_section))); - if(!strcmp(section, "local")) { - RET_ERR(PM_ERR_CONF_LOCAL, -1); - } - if(strcmp(section, "options")) { - db = _alpm_db_register(section, callback); - } - } - - while(fgets(line, PATH_MAX, fp)) { - linenum++; - _alpm_strtrim(line); - if(strlen(line) == 0 || line[0] == '#') { - continue; - } - if(line[0] == '[' && line[strlen(line)-1] == ']') { - /* new config section */ - ptr = line; - ptr++; - strncpy(section, ptr, min(255, strlen(ptr)-1)); - section[min(255, strlen(ptr)-1)] = '\0'; - _alpm_log(PM_LOG_DEBUG, _("config: new section '%s'"), section); - if(!strlen(section)) { - RET_ERR(PM_ERR_CONF_BAD_SECTION, -1); - } - if(!strcmp(section, "local")) { - RET_ERR(PM_ERR_CONF_LOCAL, -1); - } - if(strcmp(section, "options")) { - db = _alpm_db_register(section, callback); - if(db == NULL) { - /* pm_errno is set by alpm_db_register */ - return(-1); - } - } - } else { - /* directive */ - ptr = line; - key = strsep(&ptr, "="); - if(key == NULL) { - RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1); - } - _alpm_strtrim(key); - strncpy(origkey, key, min(255, strlen(key))); - origkey[min(255, strlen(key))] = '\0'; - key = _alpm_strtoupper(key); - if(!strlen(section) && strcmp(key, "INCLUDE")) { - RET_ERR(PM_ERR_CONF_DIRECTIVE_OUTSIDE_SECTION, -1); - } - if(ptr == NULL) { - if(strcmp(origkey, "NoPassiveFTP") == 0 || strcmp(key, "NOPASSIVEFTP") == 0) { - alpm_option_set_nopassiveftp(1); - _alpm_log(PM_LOG_DEBUG, _("config: nopassiveftp")); - } else if(strcmp(origkey, "UseSyslog") == 0 || strcmp(key, "USESYSLOG") == 0) { - alpm_option_set_usesyslog(1); - _alpm_log(PM_LOG_DEBUG, _("config: usesyslog")); - } else if(strcmp(origkey, "ILoveCandy") == 0 || strcmp(key, "ILOVECANDY") == 0) { - alpm_option_set_chomp(1); - _alpm_log(PM_LOG_DEBUG, _("config: chomp")); - } else if(strcmp(origkey, "UseColor") == 0 || strcmp(key, "USECOLOR") == 0) { - alpm_option_set_usecolor(1); - _alpm_log(PM_LOG_DEBUG, _("config: usecolor")); - } else { - RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1); - } - } else { - _alpm_strtrim(ptr); - if(strcmp(origkey, "Include") == 0 || strcmp(key, "INCLUDE") == 0) { - char conf[PATH_MAX]; - strncpy(conf, ptr, PATH_MAX); - _alpm_log(PM_LOG_DEBUG, _("config: including %s"), conf); - alpm_parse_config(conf, callback, section); - } else if(strcmp(section, "options") == 0) { - if(strcmp(origkey, "NoUpgrade") == 0 || strcmp(key, "NOUPGRADE") == 0) { - char *p = ptr; - char *q; - - while((q = strchr(p, ' '))) { - *q = '\0'; - alpm_option_add_noupgrade(p); - _alpm_log(PM_LOG_DEBUG, _("config: noupgrade: %s"), p); - p = q; - p++; - } - alpm_option_add_noupgrade(p); - _alpm_log(PM_LOG_DEBUG, _("config: noupgrade: %s"), p); - } else if(strcmp(origkey, "NoExtract") == 0 || strcmp(key, "NOEXTRACT") == 0) { - char *p = ptr; - char *q; - - while((q = strchr(p, ' '))) { - *q = '\0'; - alpm_option_add_noextract(p); - _alpm_log(PM_LOG_DEBUG, _("config: noextract: %s"), p); - p = q; - p++; - } - alpm_option_add_noextract(p); - _alpm_log(PM_LOG_DEBUG, _("config: noextract: %s"), p); - } else if(strcmp(origkey, "IgnorePkg") == 0 || strcmp(key, "IGNOREPKG") == 0) { - char *p = ptr; - char *q; - - while((q = strchr(p, ' '))) { - *q = '\0'; - alpm_option_add_ignorepkg(p); - _alpm_log(PM_LOG_DEBUG, _("config: ignorepkg: %s"), p); - p = q; - p++; - } - alpm_option_add_ignorepkg(p); - _alpm_log(PM_LOG_DEBUG, _("config: ignorepkg: %s"), p); - } else if(strcmp(origkey, "HoldPkg") == 0 || strcmp(key, "HOLDPKG") == 0) { - char *p = ptr; - char *q; - - while((q = strchr(p, ' '))) { - *q = '\0'; - alpm_option_add_holdpkg(p); - _alpm_log(PM_LOG_DEBUG, _("config: holdpkg: %s"), p); - p = q; - p++; - } - alpm_option_add_holdpkg(p); - _alpm_log(PM_LOG_DEBUG, _("config: holdpkg: %s"), p); - } else if(strcmp(origkey, "DBPath") == 0 || strcmp(key, "DBPATH") == 0) { - /* shave off the leading slash, if there is one */ - if(*ptr == '/') { - ptr++; - } - alpm_option_set_dbpath(ptr); - _alpm_log(PM_LOG_DEBUG, _("config: dbpath: %s"), ptr); - } else if(strcmp(origkey, "CacheDir") == 0 || strcmp(key, "CACHEDIR") == 0) { - /* shave off the leading slash, if there is one */ - if(*ptr == '/') { - ptr++; - } - alpm_option_set_cachedir(ptr); - _alpm_log(PM_LOG_DEBUG, _("config: cachedir: %s"), ptr); - } else if(strcmp(origkey, "RootDir") == 0 || strcmp(key, "ROOTDIR") == 0) { - /* shave off the leading slash, if there is one */ - if(*ptr == '/') { - ptr++; - } - alpm_option_set_root(ptr); - _alpm_log(PM_LOG_DEBUG, _("config: rootdir: %s"), ptr); - } else if (strcmp(origkey, "LogFile") == 0 || strcmp(key, "LOGFILE") == 0) { - alpm_option_set_logfile(ptr); - _alpm_log(PM_LOG_DEBUG, _("config: logfile: %s"), ptr); - } else if (strcmp(origkey, "XferCommand") == 0 || strcmp(key, "XFERCOMMAND") == 0) { - alpm_option_set_xfercommand(ptr); - _alpm_log(PM_LOG_DEBUG, _("config: xfercommand: %s"), ptr); - } else if (strcmp(origkey, "UpgradeDelay") == 0 || strcmp(key, "UPGRADEDELAY") == 0) { - /* The config value is in days, we use seconds */ - time_t ud = atol(ptr) * 60 * 60 *24; - alpm_option_set_upgradedelay(ud); - _alpm_log(PM_LOG_DEBUG, _("config: upgradedelay: %d"), ud); - } else { - RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1); - } - } else { - if(strcmp(origkey, "Server") == 0 || strcmp(key, "SERVER") == 0) { - /* add to the list */ - if(alpm_db_setserver(db, ptr) != 0) { - /* pm_errno is set by alpm_db_setserver */ - return(-1); - } - } else { - RET_ERR(PM_ERR_CONF_BAD_SYNTAX, -1); - } - } - line[0] = '\0'; - } - } - } - fclose(fp); - - return(0); -} - -/** @} */ - -/* This function is mostly the same as sync.c find_replacements and sysupgrade - * functions, and we should be able to combine them - this is an interim - * solution made for -Qu operation */ -alpm_list_t SYMEXPORT *alpm_get_upgrades() -{ - alpm_list_t *syncpkgs = NULL; - alpm_list_t *i, *j, *k, *m; - - ALPM_LOG_FUNC; - - /* TODO holy nested loops, Batman! */ - /* check for "recommended" package replacements */ - _alpm_log(PM_LOG_DEBUG, _("checking for package replacements")); - for(i = handle->dbs_sync; i; i = i->next) { - for(j = _alpm_db_get_pkgcache(i->data); j; j = j->next) { - pmpkg_t *spkg = j->data; - - for(k = alpm_pkg_get_replaces(spkg); k; k = k->next) { - - for(m = _alpm_db_get_pkgcache(handle->db_local); m; m = m->next) { - pmpkg_t *lpkg = m->data; - - if(strcmp(k->data, alpm_pkg_get_name(lpkg)) == 0) { - _alpm_log(PM_LOG_DEBUG, _("checking replacement '%s' for package '%s'"), k->data, - alpm_pkg_get_name(spkg)); - if(alpm_list_find_str(handle->ignorepkg, alpm_pkg_get_name(lpkg))) { - _alpm_log(PM_LOG_WARNING, _("%s-%s: ignoring package upgrade (to be replaced by %s-%s)"), - alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg), - alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg)); - } else { - /* assume all replaces=() packages are accepted */ - pmsyncpkg_t *sync = NULL; - pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(lpkg), NULL); - if(dummy == NULL) { - pm_errno = PM_ERR_MEMORY; - goto error; - } - dummy->requiredby = alpm_list_strdup(alpm_pkg_get_requiredby(lpkg)); - - pmsyncpkg_t *syncpkg; - syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(spkg)); - - if(syncpkg) { - /* found it -- just append to the replaces list */ - sync->data = alpm_list_add(sync->data, dummy); - } else { - /* none found -- enter pkg into the final sync list */ - sync = _alpm_sync_new(PM_SYNC_TYPE_REPLACE, spkg, NULL); - if(sync == NULL) { - FREEPKG(dummy); - pm_errno = PM_ERR_MEMORY; - goto error; - } - sync->data = alpm_list_add(NULL, dummy); - syncpkgs = alpm_list_add(syncpkgs, sync); - } - _alpm_log(PM_LOG_DEBUG, _("%s-%s elected for upgrade (to be replaced by %s-%s)"), - alpm_pkg_get_name(lpkg), alpm_pkg_get_version(lpkg), - alpm_pkg_get_name(spkg), alpm_pkg_get_version(spkg)); - } - break; - } - } - } - } - } - - /* now do normal upgrades */ - for(i = _alpm_db_get_pkgcache(handle->db_local); i; i = i->next) { - int replace=0; - pmpkg_t *local = i->data; - pmpkg_t *spkg = NULL; - pmsyncpkg_t *sync; - - for(j = handle->dbs_sync; !spkg && j; j = j->next) { - spkg = _alpm_db_get_pkgfromcache(j->data, alpm_pkg_get_name(local)); - } - if(spkg == NULL) { - _alpm_log(PM_LOG_DEBUG, _("'%s' not found in sync db -- skipping"), alpm_pkg_get_name(local)); - continue; - } - - /* we don't care about a to-be-replaced package's newer version */ - for(j = syncpkgs; j && !replace; j=j->next) { - sync = j->data; - if(sync->type == PM_SYNC_TYPE_REPLACE) { - if(_alpm_pkg_find(alpm_pkg_get_name(spkg), sync->data)) { - replace=1; - } - } - } - if(replace) { - _alpm_log(PM_LOG_DEBUG, _("'%s' is already elected for removal -- skipping"), - alpm_pkg_get_name(local)); - continue; - } - - if(alpm_pkg_compare_versions(local, spkg)) { - _alpm_log(PM_LOG_DEBUG, _("%s elected for upgrade (%s => %s)"), - alpm_pkg_get_name(local), alpm_pkg_get_version(local), - alpm_pkg_get_version(spkg)); - - pmsyncpkg_t *syncpkg; - syncpkg = _alpm_sync_find(syncpkgs, alpm_pkg_get_name(local)); - - if(!syncpkg) { - pmpkg_t *dummy = _alpm_pkg_new(alpm_pkg_get_name(local), - alpm_pkg_get_version(local)); - if(dummy == NULL) { - goto error; - } - sync = _alpm_sync_new(PM_SYNC_TYPE_UPGRADE, spkg, dummy); - if(sync == NULL) { - FREEPKG(dummy); - goto error; - } - syncpkgs = alpm_list_add(syncpkgs, sync); - } - } - } - - return(syncpkgs); -error: - if(syncpkgs) { - alpm_list_free_inner(syncpkgs, _alpm_sync_free); - alpm_list_free(syncpkgs); - } - return(NULL); -} /* vim: set ts=2 sw=2 noet: */ |