Fix BLABOUNCER REPLAY time values of "0" (e.g. 1:00:00 for one hour).

1 files changed, 6 insertions, 2 deletions

diff --git a/blabouncer.c b/blabouncer.c
index e67c083..5fa2e5d 100644
--- a/blabouncer.c
+++ b/blabouncer.c
@@ -1915,8 +1915,12 @@ int processircmessage(SSL *server_ssl, char *str, int source, struct client *cli
 
           // Make sure all the components are numbers
           for (int i = 0; i < timecounter; i++) {
-            int check;
-            if ((check = strtol(timetokens[i], NULL, 10)) == 0) {
+            // Temporary number and pointer for checking errors
+            long check;
+            char *str_end;
+            errno = 0;
+            check = strtol(timetokens[i], &str_end, 10);
+            if (str_end == timetokens[i] || ((check == LONG_MAX || check == LONG_MIN) && errno == ERANGE)) {
               debugprint("Invalid number '%s' requested by REPLAY command.  Telling client.\n", timetokens[i]);
               if (!snprintf(outgoingmsg, MAXDATASIZE, "NOTICE %s :Invalid number '%s' requested by REPLAY command.", ircdstrings->ircnick, timetokens[i])) {
                 fprintf(stderr, "Error while preparing REPLAY invalid number response!\n");