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close fd for pw_lck on exec, okay deraadt@

OPENBSD_2_8
provos 24 years ago
parent
commit
45cd33a8a6
1 changed files with 6 additions and 2 deletions
  1. +6
    -2
      src/lib/libutil/passwd.c

+ 6
- 2
src/lib/libutil/passwd.c View File

@ -1,4 +1,4 @@
/* $OpenBSD: passwd.c,v 1.21 2000/06/30 16:00:07 millert Exp $ */
/* $OpenBSD: passwd.c,v 1.22 2000/08/01 22:10:16 provos Exp $ */
/* /*
* Copyright (c) 1987, 1993, 1994, 1995 * Copyright (c) 1987, 1993, 1994, 1995
@ -34,7 +34,7 @@
*/ */
#if defined(LIBC_SCCS) && !defined(lint) #if defined(LIBC_SCCS) && !defined(lint)
static char rcsid[] = "$OpenBSD: passwd.c,v 1.21 2000/06/30 16:00:07 millert Exp $";
static char rcsid[] = "$OpenBSD: passwd.c,v 1.22 2000/08/01 22:10:16 provos Exp $";
#endif /* LIBC_SCCS and not lint */ #endif /* LIBC_SCCS and not lint */
#include <sys/types.h> #include <sys/types.h>
@ -263,6 +263,10 @@ pw_lock(retries)
fd = open(pw_lck, O_WRONLY|O_CREAT|O_EXCL, 0600); fd = open(pw_lck, O_WRONLY|O_CREAT|O_EXCL, 0600);
} }
save_errno = errno; save_errno = errno;
if (fd != -1 && fcntl(fd, F_SETFD, 1) == -1) {
close(fd);
fd = -1;
}
(void) umask(old_mode); (void) umask(old_mode);
errno = save_errno; errno = save_errno;
return (fd); return (fd);


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