diff options
| author |   millert <millert@openbsd.org> | 1996-09-24 02:58:52 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 1996-09-24 02:58:52 +0000 |
| commit | 7ffd4e56ed7ab019d24a59177e1efcb640754f95 (patch) | |
| tree | 1962f5307dc60de45dd580c4a4b04df56f608112 /usr.bin/patch/patch.c | |
| parent | no mknod in chroot (diff) | |
| download | wireguard-openbsd-7ffd4e56ed7ab019d24a59177e1efcb640754f95.tar.xz wireguard-openbsd-7ffd4e56ed7ab019d24a59177e1efcb640754f95.zip | |
Use mkstemp(). Since temp files get re-used we use mkstemp() to make
us a "place holder" (and discard the fd) to protect from DOS attacks
and then just re-use that.
Diffstat (limited to 'usr.bin/patch/patch.c')
| -rw-r--r-- | usr.bin/patch/patch.c | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/usr.bin/patch/patch.c b/usr.bin/patch/patch.c index 9ad408495da..41884781e03 100644 --- a/usr.bin/patch/patch.c +++ b/usr.bin/patch/patch.c @@ -1,4 +1,4 @@ -/* $OpenBSD: patch.c,v 1.6 1996/09/23 10:54:21 deraadt Exp $ */ +/* $OpenBSD: patch.c,v 1.7 1996/09/24 02:58:52 millert Exp $ */ /* patch - a program to apply diffs to original files * @@ -9,7 +9,7 @@ */ #ifndef lint -static char rcsid[] = "$OpenBSD: patch.c,v 1.6 1996/09/23 10:54:21 deraadt Exp $"; +static char rcsid[] = "$OpenBSD: patch.c,v 1.7 1996/09/24 02:58:52 millert Exp $"; #endif /* not lint */ #include "INTERN.h" @@ -81,22 +81,30 @@ char **argv; TMPOUTNAME = (char *) malloc (tmpname_len); strcpy (TMPOUTNAME, tmpdir); strcat (TMPOUTNAME, "/patchoXXXXXX"); - Mktemp(TMPOUTNAME); + if ((i = Mkstemp(TMPOUTNAME)) < 0) + pfatal2("can't create %s", TMPOUTNAME); + Close(i); TMPINNAME = (char *) malloc (tmpname_len); strcpy (TMPINNAME, tmpdir); strcat (TMPINNAME, "/patchiXXXXXX"); - Mktemp(TMPINNAME); + if ((i = Mkstemp(TMPINNAME)) < 0) + pfatal2("can't create %s", TMPINNAME); + Close(i); TMPREJNAME = (char *) malloc (tmpname_len); strcpy (TMPREJNAME, tmpdir); strcat (TMPREJNAME, "/patchrXXXXXX"); - Mktemp(TMPREJNAME); + if ((i = Mkstemp(TMPREJNAME)) < 0) + pfatal2("can't create %s", TMPREJNAME); + Close(i); TMPPATNAME = (char *) malloc (tmpname_len); strcpy (TMPPATNAME, tmpdir); strcat (TMPPATNAME, "/patchpXXXXXX"); - Mktemp(TMPPATNAME); + if ((i = Mkstemp(TMPPATNAME)) < 0) + pfatal2("can't create %s", TMPPATNAME); + Close(i); } { |