diff options
Diffstat (limited to 'eperd/eperd.c')
| -rw-r--r-- | eperd/eperd.c | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/eperd/eperd.c b/eperd/eperd.c index b240e6e..bfa3615 100644 --- a/eperd/eperd.c +++ b/eperd/eperd.c @@ -568,6 +568,50 @@ static void SynchronizeFile(const char *fileName) DeleteFile(); } +#define RESOLV_CONF "/etc/resolv.conf" +static void check_resolv_conf(void) +{ + static time_t last_time= -1; + + int r; + FILE *fn; + struct stat sb; + + r= stat(RESOLV_CONF, &sb); + if (r == -1) + { + crondlog(LVL8 "error accessing resolv.conf: %s", + strerror(errno)); + return; + } + + if (sb.st_mtime == last_time) + return; /* resolv.conf did not change */ + evdns_base_clear_nameservers_and_suspend(DnsBase); + r= evdns_base_resolv_conf_parse(DnsBase, DNS_OPTIONS_ALL, + RESOLV_CONF); + evdns_base_resume(DnsBase); + + if ((r != 0 || last_time != -1) && out_filename) + { + fn= fopen(out_filename, "a"); + if (!fn) + crondlog(DIE9 "unable to append to '%s'", out_filename); + fprintf(fn, "RESULT { "); + if (atlas_id) + fprintf(fn, DBQ(id) ":" DBQ(%s) ", ", atlas_id); + fprintf(fn, DBQ(fw) ":" DBQ(%d) ", " DBQ(time) ":%ld, ", + get_atlas_fw_version(), (long)time(NULL)); + fprintf(fn, DBQ(event) ": " DBQ(load resolv.conf) + ", " DBQ(result) ": %d", r); + + fprintf(fn, " }\n"); + fclose(fn); + } + + last_time= sb.st_mtime; +} + static void CheckUpdates(evutil_socket_t __attribute__ ((unused)) fd, short __attribute__ ((unused)) what, void __attribute__ ((unused)) *arg) @@ -584,6 +628,8 @@ static void CheckUpdates(evutil_socket_t __attribute__ ((unused)) fd, } fclose(fi); } + + check_resolv_conf(); } static void CheckUpdatesHour(evutil_socket_t __attribute__ ((unused)) fd, |