diff options
Diffstat (limited to 'lib/libalpm')
| -rw-r--r-- | lib/libalpm/alpm.c | 910 | ||||
| -rw-r--r-- | lib/libalpm/alpm.h | 4 | ||||
| -rw-r--r-- | lib/libalpm/be_files.c | 1 | ||||
| -rw-r--r-- | lib/libalpm/db.c | 440 | ||||
| -rw-r--r-- | lib/libalpm/handle.h | 1 | ||||
| -rw-r--r-- | lib/libalpm/log.c | 42 | ||||
| -rw-r--r-- | lib/libalpm/md5driver.c | 14 | ||||
| -rw-r--r-- | lib/libalpm/package.c | 195 | ||||
| -rw-r--r-- | lib/libalpm/server.c | 14 | ||||
| -rw-r--r-- | lib/libalpm/sha1.c | 13 | ||||
| -rw-r--r-- | lib/libalpm/trans.c | 166 |
11 files changed, 888 insertions, 912 deletions
diff --git a/lib/libalpm/alpm.c b/lib/libalpm/alpm.c index 72b01a61..135ac373 100644 --- a/lib/libalpm/alpm.c +++ b/lib/libalpm/alpm.c @@ -26,40 +26,17 @@ #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> /* 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" +#include "util.h" #define min(X, Y) ((X) < (Y) ? (X) : (Y)) @@ -119,891 +96,8 @@ int SYMEXPORT alpm_release() /** @} */ -/** \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(const 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)); -} - -/** 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 SYMEXPORT 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] = ""; - const char *dbpath; - 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" DBEXT, db->treename); - files = alpm_list_add(files, strdup(path)); - - dbpath = alpm_option_get_dbpath(); - - ret = _alpm_downloadfiles_forreal(db->servers, dbpath, 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" DBEXT, 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" PKGEXT, 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" PKGEXT, 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", -}; - -/** - * @brief Determine if a package name has -ARCH tacked on. - * - * @param pkgname name of the package to parse - * - * @return pointer to start of -ARCH text if it exists, else NULL - */ -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) -{ - 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 */ - handle->lckfd = _alpm_lckmk(); - 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 an alpm_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 an alpm_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. - * @return 0 on success, -1 on error (pm_errno is set accordingly) - */ -int SYMEXPORT alpm_trans_release() -{ - pmtrans_t *trans; - - 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 immediately, 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; - return(-1); - } - - _alpm_trans_free(trans); - handle->trans = NULL; - - /* unlock db */ - if(handle->lckfd != -1) { - close(handle->lckfd); - handle->lckfd = -1; - } - if(_alpm_lckrm()) { - _alpm_log(PM_LOG_WARNING, _("could not remove lock file %s"), - alpm_option_get_lockfile()); - alpm_logaction(_("warning: could not remove lock file %s"), - alpm_option_get_lockfile()); - } - - 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)); -} - -/** @} */ - -/* 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) { - _alpm_pkg_free(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) { - _alpm_pkg_free(dummy); - goto error; - } - syncpkgs = alpm_list_add(syncpkgs, sync); - } - } - } - - return(syncpkgs); -error: - if(syncpkgs) { - alpm_list_t *tmp; - for(tmp = syncpkgs; tmp; tmp = alpm_list_next(tmp)) { - if(tmp->data) { - _alpm_sync_free(tmp->data); - } - } - alpm_list_free(syncpkgs); - } - return(NULL); -} /* vim: set ts=2 sw=2 noet: */ diff --git a/lib/libalpm/alpm.h b/lib/libalpm/alpm.h index e2814281..7d374b47 100644 --- a/lib/libalpm/alpm.h +++ b/lib/libalpm/alpm.h @@ -166,6 +166,8 @@ pmgrp_t *alpm_db_readgrp(pmdb_t *db, const char *name); alpm_list_t *alpm_db_getgrpcache(pmdb_t *db); alpm_list_t *alpm_db_search(pmdb_t *db, alpm_list_t* needles); +alpm_list_t *alpm_db_get_upgrades(); + /* * Packages */ @@ -459,8 +461,6 @@ extern enum _pmerrno_t pm_errno; char *alpm_strerror(int err); -alpm_list_t *alpm_get_upgrades(); - #ifdef __cplusplus } #endif diff --git a/lib/libalpm/be_files.c b/lib/libalpm/be_files.c index ed2e9207..b936c6b8 100644 --- a/lib/libalpm/be_files.c +++ b/lib/libalpm/be_files.c @@ -32,7 +32,6 @@ #endif #include <sys/stat.h> #include <dirent.h> -#include <locale.h> #ifdef CYGWIN #include <limits.h> /* PATH_MAX */ #endif diff --git a/lib/libalpm/db.c b/lib/libalpm/db.c index 16b09a47..e6c784cc 100644 --- a/lib/libalpm/db.c +++ b/lib/libalpm/db.c @@ -48,10 +48,450 @@ #include "util.h" #include "error.h" #include "server.h" +#include "provide.h" #include "handle.h" #include "cache.h" #include "alpm.h" +#include "sync.h" /* alpm_db_get_upgrades() */ + +/** \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(const 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)); +} + +/** 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 SYMEXPORT 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 SYMEXPORT 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] = ""; + const char *dbpath; + 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" DBEXT, db->treename); + files = alpm_list_add(files, strdup(path)); + + dbpath = alpm_option_get_dbpath(); + + ret = _alpm_downloadfiles_forreal(db->servers, dbpath, 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" DBEXT, 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)); +} + +/** 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)); +} + +/* 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_db_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) { + _alpm_pkg_free(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) { + _alpm_pkg_free(dummy); + goto error; + } + syncpkgs = alpm_list_add(syncpkgs, sync); + } + } + } + + return(syncpkgs); +error: + if(syncpkgs) { + alpm_list_t *tmp; + for(tmp = syncpkgs; tmp; tmp = alpm_list_next(tmp)) { + if(tmp->data) { + _alpm_sync_free(tmp->data); + } + } + alpm_list_free(syncpkgs); + } + return(NULL); +} + +/** @} */ + pmdb_t *_alpm_db_new(const char *dbpath, const char *treename) { pmdb_t *db; diff --git a/lib/libalpm/handle.h b/lib/libalpm/handle.h index dd63d818..adf2bb49 100644 --- a/lib/libalpm/handle.h +++ b/lib/libalpm/handle.h @@ -22,6 +22,7 @@ #define _ALPM_HANDLE_H #include <stdio.h> +#include <sys/types.h> #include "alpm_list.h" #include "db.h" diff --git a/lib/libalpm/log.c b/lib/libalpm/log.c index b59ec64e..1be7f0db 100644 --- a/lib/libalpm/log.c +++ b/lib/libalpm/log.c @@ -27,8 +27,50 @@ /* libalpm */ #include "log.h" +#include "handle.h" +#include "util.h" +#include "error.h" #include "alpm.h" +/** \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)); +} + +/** @} */ + void _alpm_log(pmloglevel_t flag, char *fmt, ...) { alpm_cb_log logcb = alpm_option_get_logcb(); diff --git a/lib/libalpm/md5driver.c b/lib/libalpm/md5driver.c index 80b90564..e2821bf0 100644 --- a/lib/libalpm/md5driver.c +++ b/lib/libalpm/md5driver.c @@ -41,6 +41,20 @@ documentation and/or software. #define MDUpdate _alpm_MD5Update #define MDFinal _alpm_MD5Final +/** Get the md5 sum of file. + * @param name name of the file + * @return the checksum on success, NULL on error + * @addtogroup alpm_misc + */ +char SYMEXPORT *alpm_get_md5sum(char *name) +{ + ALPM_LOG_FUNC; + + ASSERT(name != NULL, return(NULL)); + + return(_alpm_MDFile(name)); +} + char* _alpm_MDFile(char *filename) { FILE *file; diff --git a/lib/libalpm/package.c b/lib/libalpm/package.c index 99ce92b8..7f20b9e0 100644 --- a/lib/libalpm/package.c +++ b/lib/libalpm/package.c @@ -28,7 +28,7 @@ #include <stdlib.h> #include <limits.h> #include <string.h> -#include <locale.h> +#include <ctype.h> #include <errno.h> #include <sys/types.h> #include <sys/stat.h> @@ -51,6 +51,199 @@ #include "versioncmp.h" #include "alpm.h" +/** \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" PKGEXT, handle->cachedir, + alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); + + sha1sum = alpm_get_sha1sum(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" PKGEXT, handle->cachedir, + alpm_pkg_get_name(pkg), alpm_pkg_get_version(pkg)); + + md5sum = alpm_get_md5sum(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", +}; + +/** + * @brief Determine if a package name has -ARCH tacked on. + * + * @param pkgname name of the package to parse + * + * @return pointer to start of -ARCH text if it exists, else NULL + */ +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); +} + +/** @} */ + pmpkg_t *_alpm_pkg_new(const char *name, const char *version) { pmpkg_t* pkg; diff --git a/lib/libalpm/server.c b/lib/libalpm/server.c index af8f5fd7..c36f9ba8 100644 --- a/lib/libalpm/server.c +++ b/lib/libalpm/server.c @@ -42,6 +42,20 @@ #include "log.h" #include "package.h" +/** Fetch a remote pkg. + * @param url + * @return the downloaded filename on success, NULL on error + * @addtogroup alpm_misc + */ +char SYMEXPORT *alpm_fetch_pkgurl(char *url) +{ + ALPM_LOG_FUNC; + + ASSERT(strstr(url, "://"), return(NULL)); + + return(_alpm_fetch_pkgurl(url)); +} + pmserver_t *_alpm_server_new(const char *url) { struct url *u; diff --git a/lib/libalpm/sha1.c b/lib/libalpm/sha1.c index 5f47ebb8..1adf067b 100644 --- a/lib/libalpm/sha1.c +++ b/lib/libalpm/sha1.c @@ -381,6 +381,19 @@ These notices must be retained in any copies of any part of this documentation and/or software. */ +/** Get the sha1 sum of file. + * @param name name of the file + * @return the checksum on success, NULL on error + * @addtogroup alpm_misc + */ +char SYMEXPORT *alpm_get_sha1sum(char *name) +{ + ALPM_LOG_FUNC; + + ASSERT(name != NULL, return(NULL)); + + return(_alpm_SHAFile(name)); +} char* _alpm_SHAFile(char *filename) { FILE *file; diff --git a/lib/libalpm/trans.c b/lib/libalpm/trans.c index 3c6a0c3d..403872e0 100644 --- a/lib/libalpm/trans.c +++ b/lib/libalpm/trans.c @@ -53,6 +53,172 @@ #include "cache.h" #include "provide.h" +/** \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) +{ + 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 */ + handle->lckfd = _alpm_lckmk(); + 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 an alpm_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 an alpm_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. + * @return 0 on success, -1 on error (pm_errno is set accordingly) + */ +int SYMEXPORT alpm_trans_release() +{ + pmtrans_t *trans; + + 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 immediately, 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; + return(-1); + } + + _alpm_trans_free(trans); + handle->trans = NULL; + + /* unlock db */ + if(handle->lckfd != -1) { + close(handle->lckfd); + handle->lckfd = -1; + } + if(_alpm_lckrm()) { + _alpm_log(PM_LOG_WARNING, _("could not remove lock file %s"), + alpm_option_get_lockfile()); + alpm_logaction(_("warning: could not remove lock file %s"), + alpm_option_get_lockfile()); + } + + return(0); +} + +/** @} */ + pmtrans_t *_alpm_trans_new() { pmtrans_t *trans; |