unreadable firejail.users database fixes

run firecfg with umask 022 and print a diagnostic message if
the database is not readable.

closes #2225

1 files changed, 3 insertions, 0 deletions

diff --git a/src/firecfg/main.c b/src/firecfg/main.c
index 810af6ff2..b1a3b7427 100644
--- a/src/firecfg/main.c
+++ b/src/firecfg/main.c
@@ -316,6 +316,9 @@ int main(int argc, char **argv) {
         int i;
         int bindir_set = 0;
 
+        // set umask
+        umask(022);
+
         // user setup
         char *user = get_user();
         assert(user);