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| author | delphij <delphij@FreeBSD.org> | 2005-02-15 10:23:01 +0000 |
|---|---|---|
| committer | delphij <delphij@FreeBSD.org> | 2005-02-15 10:23:01 +0000 |
| commit | 91899c327734c289fe8cf6abad150c3537aefbd6 (patch) | |
| tree | 67d80de48a80bdf79f8612e3452abf7c8b9befa2 /usr.sbin/lpr | |
| parent | 136924cea45cc799b4b1febb17cd957209a402dc (diff) | |
| download | FreeBSD-src-91899c327734c289fe8cf6abad150c3537aefbd6.zip FreeBSD-src-91899c327734c289fe8cf6abad150c3537aefbd6.tar.gz | |
Be more careful when doing el_parse() - only do it when el is
properly initialized, that happens when lpc is called from a tty.
Without this change, it's possible to get SIGSEGV simply doing:
echo "..:" | lpc
Reported by: Wojciech A. Koszek <dunstan at freebsd czest pl>
PR: 77462 (patch rewritten by myself)
MFC After: 1 week
Diffstat (limited to 'usr.sbin/lpr')
| -rw-r--r-- | usr.sbin/lpr/lpc/lpc.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/usr.sbin/lpr/lpc/lpc.c b/usr.sbin/lpr/lpc/lpc.c index e58911c..9d237eb 100644 --- a/usr.sbin/lpr/lpc/lpc.c +++ b/usr.sbin/lpr/lpc/lpc.c @@ -201,7 +201,7 @@ cmdscanner(void) makeargv(); if (margc == 0) continue; - if (el_parse(el, margc, margv) != -1) + if (el!= NULL && el_parse(el, margc, margv) != -1) continue; c = getcmd(margv[0]); |
