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-rw-r--r--lib/libalpm/be_sync.c132
1 files changed, 77 insertions, 55 deletions
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index c440cd6b..aeba86f1 100644
--- a/lib/libalpm/be_sync.c
+++ b/lib/libalpm/be_sync.c
@@ -20,8 +20,7 @@
#include "config.h"
-#include <errno.h>
-#include <limits.h>
+#include <sys/stat.h>
/* libarchive */
#include <archive.h>
@@ -79,26 +78,18 @@
*/
int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
{
- char *dbfile, *syncpath;
+ char *syncpath;
const char *dbpath;
+ alpm_list_t *i;
struct stat buf;
size_t len;
- int ret;
+ int ret = -1;
mode_t oldmask;
-
- ALPM_LOG_FUNC;
+ pgp_verify_t check_sig;
/* 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));
-
- if(!alpm_list_find_ptr(handle->dbs_sync, db)) {
- RET_ERR(PM_ERR_DB_NOT_FOUND, -1);
- }
-
- len = strlen(db->treename) + 4;
- MALLOC(dbfile, len, RET_ERR(PM_ERR_MEMORY, -1));
- sprintf(dbfile, "%s.db", db->treename);
+ ASSERT(db != NULL && db != db->handle->db_local, RET_ERR(PM_ERR_WRONG_ARGS, -1));
+ ASSERT(db->servers != NULL, RET_ERR(PM_ERR_SERVER_NONE, -1));
dbpath = alpm_option_get_dbpath();
len = strlen(dbpath) + 6;
@@ -112,38 +103,67 @@ int SYMEXPORT alpm_db_update(int force, pmdb_t *db)
_alpm_log(PM_LOG_DEBUG, "database dir '%s' does not exist, creating it\n",
syncpath);
if(_alpm_makepath(syncpath) != 0) {
- free(dbfile);
free(syncpath);
RET_ERR(PM_ERR_SYSTEM, -1);
}
} else if(!S_ISDIR(buf.st_mode)) {
_alpm_log(PM_LOG_WARNING, _("removing invalid file: %s\n"), syncpath);
if(unlink(syncpath) != 0 || _alpm_makepath(syncpath) != 0) {
- free(dbfile);
free(syncpath);
RET_ERR(PM_ERR_SYSTEM, -1);
}
}
- ret = _alpm_download_single_file(dbfile, db->servers, syncpath, force);
- free(dbfile);
- free(syncpath);
- umask(oldmask);
+ check_sig = _alpm_db_get_sigverify_level(db);
+
+ for(i = db->servers; i; i = i->next) {
+ const char *server = i->data;
+ char *fileurl;
+ size_t len;
+ int sig_ret = 0;
+
+ /* print server + filename into a buffer (leave space for .sig) */
+ len = strlen(server) + strlen(db->treename) + 9;
+ CALLOC(fileurl, len, sizeof(char), RET_ERR(PM_ERR_MEMORY, -1));
+ snprintf(fileurl, len, "%s/%s.db", server, db->treename);
+
+ ret = _alpm_download(fileurl, syncpath, force, 0, 0);
+
+ if(ret == 0 && (check_sig == PM_PGP_VERIFY_ALWAYS ||
+ check_sig == PM_PGP_VERIFY_OPTIONAL)) {
+ int errors_ok = (check_sig == PM_PGP_VERIFY_OPTIONAL);
+ /* if we downloaded a DB, we want the .sig from the same server */
+ snprintf(fileurl, len, "%s/%s.db.sig", server, db->treename);
+
+ sig_ret = _alpm_download(fileurl, syncpath, 1, 0, errors_ok);
+ /* errors_ok suppresses error messages, but not the return code */
+ sig_ret = errors_ok ? 0 : sig_ret;
+ }
+
+ FREE(fileurl);
+ if(ret != -1 && sig_ret != -1) {
+ break;
+ }
+ }
if(ret == 1) {
/* files match, do nothing */
pm_errno = 0;
- return(1);
+ goto cleanup;
} else if(ret == -1) {
/* pm_errno was set by the download code */
_alpm_log(PM_LOG_DEBUG, "failed to sync db: %s\n", alpm_strerrorlast());
- return(-1);
+ goto cleanup;
}
/* Cache needs to be rebuilt */
_alpm_db_free_pkgcache(db);
- return(0);
+cleanup:
+
+ free(syncpath);
+ umask(oldmask);
+ return ret;
}
/* Forward decl so I don't reorganize the whole file right now */
@@ -206,7 +226,7 @@ static size_t estimate_package_count(struct stat *st, struct archive *archive)
/* assume it is at least somewhat compressed */
per_package = 200;
}
- return((size_t)(st->st_size / per_package) + 1);
+ return (size_t)((st->st_size / per_package) + 1);
}
static int sync_db_populate(pmdb_t *db)
@@ -219,8 +239,6 @@ static int sync_db_populate(pmdb_t *db)
struct archive_entry *entry;
pmpkg_t *pkg = NULL;
- ALPM_LOG_FUNC;
-
ASSERT(db != NULL, RET_ERR(PM_ERR_DB_NULL, -1));
if((archive = archive_read_new()) == NULL) {
@@ -276,6 +294,7 @@ static int sync_db_populate(pmdb_t *db)
_alpm_log(PM_LOG_ERROR, _("invalid name for database entry '%s'\n"),
name);
_alpm_pkg_free(pkg);
+ pkg = NULL;
continue;
}
@@ -283,12 +302,14 @@ static int sync_db_populate(pmdb_t *db)
if(_alpm_pkghash_find(db->pkgcache, pkg->name)) {
_alpm_log(PM_LOG_ERROR, _("duplicated database entry '%s'\n"), pkg->name);
_alpm_pkg_free(pkg);
+ pkg = NULL;
continue;
}
pkg->origin = PKG_FROM_SYNCDB;
- pkg->ops = &default_pkg_ops;
pkg->origin_data.db = db;
+ pkg->ops = &default_pkg_ops;
+ pkg->handle = db->handle;
/* add to the collection */
_alpm_log(PM_LOG_FUNCTION, "adding '%s' to package cache for db '%s'\n",
@@ -297,7 +318,14 @@ static int sync_db_populate(pmdb_t *db)
count++;
} else {
/* we have desc, depends or deltas - parse it */
- sync_db_read(db, archive, entry, pkg);
+ if(sync_db_read(db, archive, entry, pkg) != 0) {
+ _alpm_log(PM_LOG_ERROR,
+ _("could not parse package '%s' description file from db '%s'\n"),
+ pkg->name, db->treename);
+ _alpm_pkg_free(pkg);
+ pkg = NULL;
+ continue;
+ }
}
}
@@ -305,8 +333,10 @@ static int sync_db_populate(pmdb_t *db)
db->pkgcache->list = alpm_list_msort(db->pkgcache->list, (size_t)count, _alpm_pkg_cmp);
}
archive_read_finish(archive);
+ _alpm_log(PM_LOG_DEBUG, "added %d packages to package cache for db '%s'\n",
+ count, db->treename);
- return(count);
+ return count;
}
#define READ_NEXT(s) do { \
@@ -335,8 +365,6 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
pmpkg_t *pkg;
struct archive_read_buffer buf;
- ALPM_LOG_FUNC;
-
if(db == NULL) {
RET_ERR(PM_ERR_DB_NULL, -1);
}
@@ -346,7 +374,7 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
}
if(entryname == NULL) {
_alpm_log(PM_LOG_DEBUG, "invalid archive entry provided to _alpm_sync_db_read, skipping\n");
- return(-1);
+ return -1;
}
_alpm_log(PM_LOG_FUNCTION, "loading package data from archive entry %s\n",
@@ -377,12 +405,13 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
if(pkg == NULL) {
_alpm_log(PM_LOG_DEBUG, "package %s not found in %s sync database",
pkgname, db->treename);
- return(-1);
+ return -1;
}
if(strcmp(filename, "desc") == 0 || strcmp(filename, "depends") == 0
|| strcmp(filename, "deltas") == 0) {
- while(_alpm_archive_fgets(archive, &buf) == ARCHIVE_OK) {
+ int ret;
+ while((ret = _alpm_archive_fgets(archive, &buf)) == ARCHIVE_OK) {
char *line = _alpm_strtrim(buf.line);
if(strcmp(line, "%NAME%") == 0) {
@@ -434,8 +463,7 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
/* we don't do anything with this value right now */
READ_NEXT(line);
} else if(strcmp(line, "%PGPSIG%") == 0) {
- /* we don't do anything with this value right now */
- READ_NEXT(line);
+ READ_AND_STORE(pkg->base64_sig);
} else if(strcmp(line, "%REPLACES%") == 0) {
READ_AND_STORE_ALL(pkg->replaces);
} else if(strcmp(line, "%DEPENDS%") == 0) {
@@ -460,6 +488,9 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
}
}
}
+ if(ret != ARCHIVE_EOF) {
+ goto error;
+ }
} else if(strcmp(filename, "files") == 0) {
/* currently do nothing with this file */
} else {
@@ -467,15 +498,16 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
_alpm_log(PM_LOG_DEBUG, "unknown database file: %s\n", filename);
}
+ return 0;
+
error:
FREE(pkgname);
- /* TODO: return 0 always? */
- return(0);
+ return -1;
}
-static int sync_db_version(pmdb_t *db)
+static int sync_db_version(pmdb_t UNUSED *db)
{
- return(2);
+ return 2;
}
struct db_operations sync_db_ops = {
@@ -484,20 +516,9 @@ struct db_operations sync_db_ops = {
.version = sync_db_version,
};
-pmdb_t *_alpm_db_register_sync(const char *treename)
+pmdb_t *_alpm_db_register_sync(pmhandle_t *handle, const char *treename)
{
pmdb_t *db;
- alpm_list_t *i;
-
- ALPM_LOG_FUNC;
-
- for(i = handle->dbs_sync; i; i = i->next) {
- pmdb_t *sdb = i->data;
- if(strcmp(treename, sdb->treename) == 0) {
- _alpm_log(PM_LOG_DEBUG, "attempt to re-register the '%s' database, using existing\n", sdb->treename);
- return sdb;
- }
- }
_alpm_log(PM_LOG_DEBUG, "registering sync database '%s'\n", treename);
@@ -506,9 +527,10 @@ pmdb_t *_alpm_db_register_sync(const char *treename)
RET_ERR(PM_ERR_DB_CREATE, NULL);
}
db->ops = &sync_db_ops;
+ db->handle = handle;
handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
- return(db);
+ return db;
}