mingetty rebuild,

2017-01-30 21:42:20 +03:00
parent 2d3ffe831b
commit 09e4150df2
8 changed files with 183 additions and 8 deletions
@@ -0,0 +1,56 @@
+From 198214367eff70b5e021057d121025b2f80e19f3 Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
+Date: Wed, 10 Nov 2010 16:53:09 +0100
+Subject: [PATCH] Allow login name up to LOGIN_NAME_MAX length
+
+POSIX mandates 9 bytes minimal length including trailing '\0'
+(limits.h:_POSIX_LOGIN_NAME_MAX). Current GNU/Linux run time limit is 256
+(getconf LOGIN_NAME_MAX).
+
+This patch removes hard-coded 40 bytes limit.
+---
+ mingetty.c |   18 +++++++++++++++---
+ 1 files changed, 15 insertions(+), 3 deletions(-)
+
+diff --git a/mingetty.c b/mingetty.c
+index dbc2cce..327e630 100644
+--- a/mingetty.c
+++ b/mingetty.c
+@@ -299,10 +299,21 @@ static void do_prompt (int showlogin)
+ 
+ static char *get_logname (void)
+ {
+-	static char logname[40];
+	long int logname_size;
+	static char *logname = NULL;
+	char *logname_new;
+ 	char *bp;
+ 	unsigned char c;
+ 
+	logname_size = sysconf (_SC_LOGIN_NAME_MAX);
+	if (logname_size <= 0)
+		error ("Could not get maximal login name length");
+
+	logname_new = realloc (logname, logname_size);
+	if (!logname_new)
+		error ("Not enough memory");
+	logname = logname_new;
+
+ 	tcflush (0, TCIFLUSH);		/* flush pending input */
+ 	for (*logname = 0; *logname == 0;) {
+ 		do_prompt (1);
+@@ -319,8 +330,9 @@ static char *get_logname (void)
+ 			} else if (!isprint (c))
+ 				error ("%s: invalid character 0x%x in login"
+ 					" name", tty, c);
+-			else if ((size_t)(bp - logname) >= sizeof (logname) - 1)
+-				error ("%s: too long login name", tty);
+			else if ((bp - logname) >= (logname_size - 1))
+				error ("%s: too long login name "
+					"(limit is %ld B)", tty, logname_size);
+ 			else
+ 				*bp++ = c;
+ 		}
+-- 
+1.7.3.2
+
@@ -0,0 +1,31 @@
+From 1b0a3a3b484148ccf9746722f55fc28327ad2e2b Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Petr=20P=C3=ADsa=C5=99?= <ppisar@redhat.com>
+Date: Fri, 10 Jun 2011 13:46:15 +0200
+Subject: [PATCH] Clear scroll-back buffer on clear screen
+
+This is implemented in Linux since 3.0 version.
+---
+ mingetty.c |    7 +++++--
+ 1 files changed, 5 insertions(+), 2 deletions(-)
+
+diff --git a/mingetty.c b/mingetty.c
+index 327e630..d2ad0fc 100644
+--- a/mingetty.c
+++ b/mingetty.c
+@@ -192,8 +192,11 @@ static void open_tty (void)
+ 
+ 	/* Write a reset string to the terminal. This is very linux-specific
+ 	   and should be checked for other systems. */
+-	if (noclear == 0)
+-		write (0, "\033c", 2);
+	if (noclear == 0) {
+		write (0, "\033[3;J", 5);   /* Clear scroll-back buffer,
+					       since Linux 3.0 */
+		write (0, "\033c", 2);      /* Reset */
+	}
+ 
+ 	sigaction (SIGHUP, &sa_old, NULL);
+ }
+-- 
+1.7.5.2
+
@@ -0,0 +1,34 @@
+Check chdir() on chroot() syscalls (and similar) as chroot without proper
+chdir() allows to escape from changed root.
+
+http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=597382
+--- a/mingetty.c
+++ b/mingetty.c
+@@ -414,12 +431,21 @@
+ 		while ((logname = get_logname ()) == 0)
+ 			/* do nothing */ ;
+ 
+-	if (ch_root)
+-		chroot (ch_root);
+-	if (ch_dir)
+-		chdir (ch_dir);
+-	if (priority)
+-		nice (priority);
+	if (ch_root) {
+		if (chroot (ch_root))
+			error ("chroot(\"%s\") failed: %s", ch_root, strerror (errno));
+		if (chdir("/"))
+			error ("chdir(\"/\") failed: %s", strerror (errno));
+	}
+	if (ch_dir) {
+		if (chdir (ch_dir))
+			error ("chdir(\"%s\") failed: %s", ch_dir, strerror (errno));
+	}
+	if (priority) {
+		errno = 0; /* see the nice(2) NOTES for why we do this */
+		if ((nice(priority) == -1) && (errno != 0))
+			error ("nice(%d) failed: %s", priority, strerror (errno));
+	}
+ 
+ 	execl (loginprog, loginprog, autologin? "-f" : "--", logname, NULL);
+ 	error ("%s: can't exec %s: %s", tty, loginprog, strerror (errno));
@@ -0,0 +1,22 @@
+Limit TTY name to size of `buf' buffer
+
+Patch from <http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=221841>.
+--- a/mingetty.c
+++ b/mingetty.c
+@@ -138,11 +138,12 @@
+ 	int fd;
+ 
+ 	/* Set up new standard input. */
+-	if (tty[0] == '/')
+-		strcpy (buf, tty);
+-	else {
+	if (tty[0] == '/') {
+		strncpy (buf, tty, sizeof(buf)-1);
+		buf[sizeof(buf)-1] = '\0';
+	} else {
+ 		strcpy (buf, "/dev/");
+-		strcat (buf, tty);
+		strncat (buf, tty, sizeof(buf)-strlen(buf)-1);
+ 	}
+ 	/* There is always a race between this reset and the call to
+ 	   vhangup() that s.o. can use to get access to your tty. */
@@ -0,0 +1,14 @@
+LOG_AUTH facility is deprecated in favor of LOG_AUTHPRIV.
+
+http://sourceforge.net/tracker/?func=detail&aid=3036068&group_id=80387&atid=559616
+--- a/mingetty.c	2008-01-18 06:13:07.000000000 -0500
+++ b/mingetty.c	2010-07-28 11:30:51.265400691 -0400
+@@ -83,7 +83,7 @@
+ 	va_list va_alist;
+ 
+ 	va_start (va_alist, fmt);
+-	openlog (progname, LOG_PID, LOG_AUTH);
+	openlog (progname, LOG_PID, LOG_AUTHPRIV);
+ 	vsyslog (LOG_ERR, fmt, va_alist);
+ 	/* no need, we exit anyway: closelog (); */
+ 	va_end (va_alist);
@@ -0,0 +1,10 @@
+--- mingetty-1.00/Makefile.rpm	Mon Mar  4 15:27:11 2002
+++ mingetty-1.00/Makefile	Mon Mar  4 15:27:34 2002
+@@ -1,6 +1,6 @@
+ DESTDIR=
+ CC=gcc
+-CFLAGS=-O2 -Wall -W -pipe -D_GNU_SOURCE
+CFLAGS+=$(CFLAGS) -Wall -D_GNU_SOURCE
+ MANDIR=/usr/share/man/man8
+ SBINDIR=/sbin
+