[w3m-dev 03379] setuid w3mimgdisplay and check console tty

* XMakefile: w3mimgdisplay install by INSTALL_W3MIMGDISPLAY
* configure: ask setuid w3mimgdisplay
	(w3mimgdisplay_setuid): added
	(INSTALL_W3MIMGDISPLAY): added
* etc.c (mySystem): close until FOPEN_MAX
* image.c (openImgdisplay): setenv W3M_TTY
		stderr to /dev/null
		close until FOPEN_MAX
* install-sh: -o, -g for owner, group
* proto.h (ttyname_tty): added
* search.c (open_migemo): stderr to /dev/null
		close until FOPEN_MAX
* terms.c (ttyname_tty): added
* w3mimgdisplay.c: include <sys/types.h>, <unistd.h>
		W3MIMGDISPLAY_SETUID
		stderr to /dev/null
* w3mimg/w3mimg.c: include <sys/types.h>, <unistd.h>
		W3MIMGDISPLAY_SETUID
* w3mimg/fb/fb_w3mimg.c (check_tty_console): added
From: Fumitoshi UKAI  <ukai@debian.or.jp>

1 files changed, 7 insertions, 4 deletions

diff --git a/etc.c b/etc.c
index 6dba9d1..10ad4a6 100644
--- a/etc.c
+++ b/etc.c
@@ -1,4 +1,4 @@
-/* $Id: etc.c,v 1.34 2002/11/06 03:27:04 ukai Exp $ */
+/* $Id: etc.c,v 1.35 2002/11/06 03:50:49 ukai Exp $ */
 #include "fm.h"
 #include <pwd.h>
 #include "myctype.h"
@@ -1307,15 +1307,18 @@ mySystem(char *command, int background)
 	int pid;
 	flush_tty();
 	if ((pid = fork()) == 0) {
-	    int fd, i;
+	    int i;
 	    reset_signals();
 	    SETPGRP();
 	    close_tty();
 	    dup2(open("/dev/null", O_RDONLY), 0);
 	    dup2(open("/dev/null", O_WRONLY), 1);
-	    dup2(fd = open("/dev/null", O_WRONLY), 2);
+	    dup2(open("/dev/null", O_WRONLY), 2);
+#ifndef FOPEN_MAX
+#define FOPEN_MAX 1024	/* XXX */
+#endif
 	    /* close all other file descriptors (socket, ...) */
-	    for (i = 3; i <= fd; i++)
+	    for (i = 3; i < FOPEN_MAX; i++)
 		close(i);
 	    execl("/bin/sh", "sh", "-c", command, NULL);
 	    exit(127);