(flash, wall): Long arguments could smash the stack; fix insufficient

buffers.  Closes #940792.

(wall): Don't strip first word from message.  Closes #940790.

diff --git a/src/lib/commands/flash.c b/src/lib/commands/flash.c
index f2e7df9f410db5a092ec6823decd8da408b8babb..77cb6dae96694fe6e554ec8b94929b8767e52fb0 100644 (file)
--- a/src/lib/commands/flash.c
+++ b/src/lib/commands/flash.c
@@ -44,7 +44,7 @@ flash(void)
 {
     struct natstr *us;
     struct natstr *to;
-    s_char buf[600];
+    s_char buf[1024];
     int tocn;
     s_char *sp;
 
@@ -94,13 +94,12 @@ int
 wall(void)
 {
     struct natstr *us;
-    s_char buf[600];
+    s_char buf[1024];
     s_char *sp;
 
     us = getnatp(player->cnum);
     if (player->argp[1]) {
        for (sp = &player->combuf[0]; *sp && *sp != ' '; ++sp) ;
-       for (++sp; *sp && *sp != ' '; ++sp) ;
        sprintf(buf, ":%s", sp);
        sendmessage(us, 0, buf, 1);
     } else {