diff options
Diffstat (limited to 'lib/libutil/passwd.c')
| -rw-r--r-- | lib/libutil/passwd.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/lib/libutil/passwd.c b/lib/libutil/passwd.c index 83c5c8d6614..b1128ae3994 100644 --- a/lib/libutil/passwd.c +++ b/lib/libutil/passwd.c @@ -1,4 +1,4 @@ -/* $OpenBSD: passwd.c,v 1.13 1997/11/17 20:56:57 millert Exp $ */ +/* $OpenBSD: passwd.c,v 1.14 1997/11/17 21:12:12 millert Exp $ */ /* * Copyright (c) 1987, 1993, 1994, 1995 @@ -34,7 +34,7 @@ */ #if defined(LIBC_SCCS) && !defined(lint) -static char rcsid[] = "$OpenBSD: passwd.c,v 1.13 1997/11/17 20:56:57 millert Exp $"; +static char rcsid[] = "$OpenBSD: passwd.c,v 1.14 1997/11/17 21:12:12 millert Exp $"; #endif /* LIBC_SCCS and not lint */ #include <sys/types.h> @@ -270,6 +270,15 @@ pw_mkdb() int pstat; pid_t pid; char *lock; + struct stat sb; + + /* A zero length passwd file is never ok */ + if (pw_lck && stat(pw_lck, &sb) == 0) { + if (sb.st_size == 0) { + warnx("%s is zero length", pw_lck); + return (-1); + } + } pid = vfork(); if (pid == 0) { |