[pacman-dev] [PATCH 4/5] Check the version of the local database during validation

[Allan McRae]

Signed-off-by: Allan McRae <al...@archlinux.org>
---
 lib/libalpm/be_local.c | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/lib/libalpm/be_local.c b/lib/libalpm/be_local.c
index fe9e05a..3d6b8d6 100644
--- a/lib/libalpm/be_local.c
+++ b/lib/libalpm/be_local.c
@@ -398,9 +398,11 @@ static int local_db_validate(alpm_db_t *db)
 {
        struct dirent *ent = NULL;
        const char *dbpath;
+       DIR *dbdir;
        char dbverpath[PATH_MAX];
        FILE *dbverfile;
-       DIR *dbdir;
+       int t;
+       size_t version;
 
        if(db->status & DB_STATUS_VALID) {
                return 0;
@@ -456,6 +458,15 @@ static int local_db_validate(alpm_db_t *db)
                goto version_latest;
        }
 
+       t = fscanf(dbverfile, "%zu", &version);
+       (void)t;
+
+       fclose(dbverfile);
+
+       if(version != ALPM_LOCAL_DB_VERSION) {
+               goto version_error;
+       }
+
 version_latest:
        db->status |= DB_STATUS_VALID;
        db->status &= ~DB_STATUS_INVALID;
-- 
1.8.3.3