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-rw-r--r--lib/libalpm/be_sync.c96
1 files changed, 55 insertions, 41 deletions
diff --git a/lib/libalpm/be_sync.c b/lib/libalpm/be_sync.c
index c440cd6b..9d85a454 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 +78,21 @@
*/
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;
+ pgp_verify_t check_sig;
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));
-
- 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->servers != NULL, RET_ERR(PM_ERR_SERVER_NONE, -1));
dbpath = alpm_option_get_dbpath();
len = strlen(dbpath) + 6;
@@ -112,38 +106,67 @@ 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 +229,7 @@ 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)
@@ -305,8 +328,10 @@ 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 { \
@@ -346,7 +371,7 @@ 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",
@@ -377,7 +402,7 @@ 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
@@ -434,8 +459,7 @@ 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) {
@@ -470,12 +494,12 @@ static int sync_db_read(pmdb_t *db, struct archive *archive,
error:
FREE(pkgname);
/* TODO: return 0 always? */
- return(0);
+ return 0;
}
-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 = {
@@ -487,18 +511,8 @@ struct db_operations sync_db_ops = {
pmdb_t *_alpm_db_register_sync(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);
db = _alpm_db_new(treename, 0);
@@ -508,7 +522,7 @@ pmdb_t *_alpm_db_register_sync(const char *treename)
db->ops = &sync_db_ops;
handle->dbs_sync = alpm_list_add(handle->dbs_sync, db);
- return(db);
+ return db;
}
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-06-08 10:31:07 +0200