[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, 9 insertions, 2 deletions

diff --git a/search.c b/search.c
index 6b34c49..e7c4834 100644
--- a/search.c
+++ b/search.c
@@ -1,4 +1,4 @@
-/* $Id: search.c,v 1.19 2002/03/06 03:32:11 ukai Exp $ */
+/* $Id: search.c,v 1.20 2002/11/06 03:50:49 ukai Exp $ */
 #include "fm.h"
 #include "regex.h"
 #include <signal.h>
@@ -50,6 +50,7 @@ open_migemo(char *migemo_command)
 	goto err2;
     if (migemo_pid == 0) {
 	/* child */
+	int i;
 	reset_signals();
 #ifdef HAVE_SETPGRP
 	SETPGRP();
@@ -59,7 +60,13 @@ open_migemo(char *migemo_command)
 	close(fdw[1]);
 	dup2(fdw[0], 0);
 	dup2(fdr[1], 1);
-	close(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 < FOPEN_MAX; i++)
+	    close(i);
 	execl("/bin/sh", "sh", "-c", migemo_command, NULL);
 	exit(1);
     }