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ExitString is used for error exit, do the minimum necessary here. 

Avoid infinite loop:
telrcv->suboption->ExitString->SetForExit->telrcv

Reported by hacker fantastic, thanks!
This commit is contained in:
maya 2018-12-13 05:15:11 +00:00
parent 233931799b
commit 342e9885b0
1 changed files with 2 additions and 3 deletions
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5
usr.bin/telnet/utilities.c
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@ -1,4 +1,4 @@
/* $NetBSD: utilities.c,v 1.26 2018/12/13 05:07:03 maya Exp $ */
/* $NetBSD: utilities.c,v 1.27 2018/12/13 05:15:11 maya Exp $ */
/*
* Copyright (c) 1988, 1993
@ -34,7 +34,7 @@
#if 0
static char sccsid[] = "@(#)utilities.c 8.3 (Berkeley) 5/30/95";
#else
__RCSID("$NetBSD: utilities.c,v 1.26 2018/12/13 05:07:03 maya Exp $");
__RCSID("$NetBSD: utilities.c,v 1.27 2018/12/13 05:15:11 maya Exp $");
#endif
#endif /* not lint */
@ -907,7 +907,6 @@ Exit(int returnCode)
void
ExitString(const char *string, int returnCode)
{
SetForExit();
fwrite(string, 1, strlen(string), stderr);
exit(returnCode);
}