diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-07-06 07:55:59 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1997-07-06 07:55:59 +0000 |
| commit | a66e6c132dfc5477c6359bf03ab2bd43b9779756 (patch) | |
| tree | bbd09955d10bb68d31456c8d2bc8a5c3dfeb22ac | |
| parent | 4ab9be160e47d8a43e9972f72dcf8ed0ef8c9490 (diff) | |
if we find an unprintable char, bail totally
| -rw-r--r-- | lib/libc/net/rcmd.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/libc/net/rcmd.c b/lib/libc/net/rcmd.c index ae746f53016..6e3ee93cafe 100644 --- a/lib/libc/net/rcmd.c +++ b/lib/libc/net/rcmd.c @@ -34,7 +34,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char *rcsid = "$OpenBSD: rcmd.c,v 1.24 1997/06/29 06:02:48 deraadt Exp $"; +static char *rcsid = "$OpenBSD: rcmd.c,v 1.25 1997/07/06 07:55:58 deraadt Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/param.h> @@ -422,6 +422,8 @@ __ivaliduser(hostf, raddrl, luser, ruser) if (*p == '#') continue; while (*p != '\n' && *p != ' ' && *p != '\t' && *p != '\0') { + if (!isprint(*p)) + goto bail; *p = isupper(*p) ? tolower(*p) : *p; p++; } @@ -527,6 +529,7 @@ __ivaliduser(hostf, raddrl, luser, ruser) if (hostok >= 1 && userok >= 1) return (0); } +bail: return (-1); } |