diff options
Diffstat (limited to 'nscd/nscd.c')
| -rw-r--r-- | nscd/nscd.c | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/nscd/nscd.c b/nscd/nscd.c index 8c61406d2f..c4187f13bc 100644 --- a/nscd/nscd.c +++ b/nscd/nscd.c @@ -84,6 +84,8 @@ static const struct argp_option options[] = { "nthreads", 't', N_("NUMBER"), 0, N_("Start NUMBER threads") }, { "shutdown", 'K', NULL, 0, N_("Shut the server down") }, { "statistic", 'g', NULL, 0, N_("Print current configuration statistic") }, + { "invalidate", 'i', N_("TABLE"), 0, + N_("Invalidate the specified cache") }, { "secure", 'S', N_("TABLE,yes"), 0, N_("Use separate cache for each user")}, { NULL, 0, NULL, 0, NULL } }; @@ -210,6 +212,44 @@ parse_opt (int key, char *arg, struct argp_state *state) receive_print_stats (); /* Does not return. */ + case 'i': + if (getuid () != 0) + error (EXIT_FAILURE, 0, _("Only root is allowed to use this option!")); + else + { + int sock = nscd_open_socket (); + request_header req; + ssize_t nbytes; + + if (sock == -1) + exit (EXIT_FAILURE); + + if (strcmp (arg, "passwd") == 0) + req.key_len = sizeof "passwd"; + else if (strcmp (arg, "group") == 0) + req.key_len = sizeof "group"; + else if (strcmp (arg, "hosts") == 0) + req.key_len = sizeof "hosts"; + else + return ARGP_ERR_UNKNOWN; + + req.version = NSCD_VERSION; + req.type = INVALIDATE; + nbytes = TEMP_FAILURE_RETRY (write (sock, &req, + sizeof (request_header))); + if (nbytes != sizeof (request_header)) + { + close (sock); + exit (EXIT_FAILURE); + } + + nbytes = TEMP_FAILURE_RETRY (write (sock, (void *)arg, req.key_len)); + + close (sock); + + exit (nbytes != req.key_len ? EXIT_FAILURE : EXIT_SUCCESS); + } + case 't': nthreads = atol (arg); break; |