diff options
Diffstat (limited to 'src/map/clif.c')
| -rw-r--r-- | src/map/clif.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/map/clif.c b/src/map/clif.c index 97e96ec8e..56f1deb6d 100644 --- a/src/map/clif.c +++ b/src/map/clif.c @@ -5316,12 +5316,14 @@ void clif_displaymessage(const int fd, const char* mes) message = aStrdup(mes); line = strtok(message, "\n"); while(line != NULL) { - int len = strlen(line); + // Limit message to 255+1 characters (otherwise it causes a buffer overflow in the client) + int len = strnlen(line, 255); + if (len > 0) { // don't send a void message (it's not displaying on the client chat). @help can send void line. WFIFOHEAD(fd, 5 + len); WFIFOW(fd,0) = 0x8e; WFIFOW(fd,2) = 5 + len; // 4 + len + NULL teminate - memcpy(WFIFOP(fd,4), line, len + 1); + safestrncpy(WFIFOP(fd,4), line, len + 1); WFIFOSET(fd, 5 + len); } line = strtok(NULL, "\n"); |