Date: Wed, 31 Jan 1996 10:46:44 +0100 (MET) From: Mikko Tyolajarvi <mikko@dynas.se> To: bugs@FreeBSD.org Subject: iijppp (2.1-RELEASE). Chatscript buglet. Message-ID: <Pine.SOL.3.91.960131104249.17796A-100000@spirit.dynas.se>
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In case anyone is interested,
I stumbled into this cute bug in user ppp (from the 2.1-RELEASE CD). It
causes chatscripts to fail to to match any string that is immediately
preceeded by a leading substring of itself.
I.e. when expecting "FooBar", "FooFooBar" will pass by unnoticed, or (ho=
w I
found out), it is not possible to wait for a "Password:" prompt using th=
e
string "sword:"...
Here is one way to fix it:
*** chat.c.org Fri Jan 19 13:06:00 1996
--- chat.c Fri Jan 19 13:06:53 1996
***************
*** 266,272 ****
return(MATCH);
}
} else {
! s =3D str;
if (inp =3D=3D inbuff+ IBSIZE) {
bcopy(inp - 100, inbuff, 100);
inp =3D inbuff + 100;
--- 266,272 ----
return(MATCH);
}
} else {
! s =3D (ch =3D=3D *str) ? str+1 : str;
if (inp =3D=3D inbuff+ IBSIZE) {
bcopy(inp - 100, inbuff, 100);
inp =3D inbuff + 100;
BTW: The chat program doesn't have this problem.
=09=09Regards,
=09=09/Mikko
Mikko Ty=F6l=E4j=E4rvi (mikko@dynas.se) <Insert cheesy quo=
te here>
DynaSoft, Dynamic Software AB
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