diff options
| author | Todd C. Miller <millert@cvs.openbsd.org> | 1996-09-15 19:05:10 +0000 |
|---|---|---|
| committer | Todd C. Miller <millert@cvs.openbsd.org> | 1996-09-15 19:05:10 +0000 |
| commit | 5f33e4ba21382f50bdc7a980885aac76fac8c71b (patch) | |
| tree | 07282d3cb142a1d3b2e286be09b82b47ca84b125 /usr.bin/m4 | |
| parent | 9c7c873d1a4767b9c5c15c1747a0ad5919b7eb38 (diff) | |
Slightly safer temp file open.
Diffstat (limited to 'usr.bin/m4')
| -rw-r--r-- | usr.bin/m4/serv.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/usr.bin/m4/serv.c b/usr.bin/m4/serv.c index e423c5987d2..6658e6fda79 100644 --- a/usr.bin/m4/serv.c +++ b/usr.bin/m4/serv.c @@ -1,4 +1,4 @@ -/* $OpenBSD: serv.c,v 1.4 1996/07/01 20:40:29 deraadt Exp $ */ +/* $OpenBSD: serv.c,v 1.5 1996/09/15 19:05:09 millert Exp $ */ /* $NetBSD: serv.c,v 1.7 1995/09/28 05:37:47 tls Exp $ */ /* @@ -46,7 +46,7 @@ #if 0 static char sccsid[] = "@(#)serv.c 5.4 (Berkeley) 1/21/94"; #else -static char rcsid[] = "$OpenBSD: serv.c,v 1.4 1996/07/01 20:40:29 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: serv.c,v 1.5 1996/09/15 19:05:09 millert Exp $"; #endif #endif /* not lint */ @@ -59,6 +59,7 @@ static char rcsid[] = "$OpenBSD: serv.c,v 1.4 1996/07/01 20:40:29 deraadt Exp $" #include <stdio.h> #include <stdlib.h> #include <string.h> +#include <fcntl.h> #include "mdef.h" #include "extr.h" #include "pathnames.h" @@ -337,11 +338,14 @@ register int argc; dodiv(n) register int n; { + int fd; + if (n < 0 || n >= MAXOUT) n = 0; /* bitbucket */ if (outfile[n] == NULL) { m4temp[UNIQUE] = n + '0'; - if ((outfile[n] = fopen(m4temp, "w")) == NULL) + if ((fd = open(m4temp, O_CREAT|O_EXCL|O_WRONLY, 0600)) < 0 || + (outfile[n] = fdopen(fd, "w")) == NULL) error("m4: cannot divert."); } oindex = n; |