From 4e577b895f24b4126db9b0a555d874e38f8b0bf7 Mon Sep 17 00:00:00 2001
From: damien <damien>
Date: Thu, 20 Apr 2000 13:12:58 +0000
Subject: [PATCH]  - Merge fixes from Debian patch from Phil Hands
 <phil@hands.com>   - Allow setting of PAM service name through CFLAGS
 (SSHD_PAM_SERVICE)   - Use vhangup to clean up Linux ttys   - Force posix
 getopt processing on GNU libc systems

---
 ChangeLog    |  4 ++++
 auth-pam.c   |  3 ++-
 configure.in |  2 +-
 pty.c        | 19 ++++++++++++++++---
 ssh-agent.c  |  4 ++++
 ssh.h        |  4 ++++
 6 files changed, 31 insertions(+), 5 deletions(-)

diff --git a/ChangeLog b/ChangeLog
index 168e583b..192ca2c7 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -7,6 +7,10 @@
   [session.c]
   - remove bogus chan_read_failed. this could cause data
     corruption (missing data) at end of a SSH2 session.
+ - Merge fixes from Debian patch from Phil Hands <phil@hands.com>
+  - Allow setting of PAM service name through CFLAGS (SSHD_PAM_SERVICE)
+  - Use vhangup to clean up Linux ttys
+  - Force posix getopt processing on GNU libc systems
 
 20000419
  - OpenBSD CVS updates
diff --git a/auth-pam.c b/auth-pam.c
index 17e8d882..d712009c 100644
--- a/auth-pam.c
+++ b/auth-pam.c
@@ -215,7 +215,8 @@ void start_pam(struct passwd *pw)
 
 	debug("Starting up PAM with username \"%.200s\"", pw->pw_name);
 
-	pam_retval = pam_start("sshd", pw->pw_name, &conv, (pam_handle_t**)&pamh);
+	pam_retval = pam_start(SSHD_PAM_SERVICE, pw->pw_name, &conv, 
+		(pam_handle_t**)&pamh);
 	if (pam_retval != PAM_SUCCESS)
 		fatal("PAM initialisation failed: %.200s", PAM_STRERROR((pam_handle_t *)pamh, pam_retval));
 
diff --git a/configure.in b/configure.in
index b676193d..596c4e09 100644
--- a/configure.in
+++ b/configure.in
@@ -110,7 +110,7 @@ fi
 AC_CHECK_HEADERS(bstring.h endian.h lastlog.h login.h maillock.h netdb.h netgroup.h paths.h poll.h pty.h shadow.h security/pam_appl.h sys/bitypes.h sys/bsdtty.h sys/cdefs.h sys/poll.h sys/select.h sys/stropts.h sys/sysmacros.h sys/time.h sys/ttcompat.h stddef.h util.h utmp.h utmpx.h)
 
 # Checks for library functions.
-AC_CHECK_FUNCS(arc4random bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf _getpty)
+AC_CHECK_FUNCS(arc4random bindresvport_af clock freeaddrinfo gai_strerror getaddrinfo getnameinfo getrusage innetgr md5_crypt mkdtemp openpty rresvport_af setenv seteuid setlogin setproctitle setreuid snprintf strlcat strlcpy updwtmpx vsnprintf vhangup _getpty)
 
 AC_CHECK_FUNC(login, 
 	[AC_DEFINE(HAVE_LOGIN)],
diff --git a/pty.c b/pty.c
index bffac4e5..acdbb806 100644
--- a/pty.c
+++ b/pty.c
@@ -201,6 +201,9 @@ void
 pty_make_controlling_tty(int *ttyfd, const char *ttyname)
 {
 	int fd;
+#ifdef HAVE_VHANGUP
+	void *old;
+#endif /* HAVE_VHANGUP */
 
 	/* First disconnect from the old controlling tty. */
 #ifdef TIOCNOTTY
@@ -232,12 +235,22 @@ pty_make_controlling_tty(int *ttyfd, const char *ttyname)
 	 */
 	ioctl(*ttyfd, TIOCSCTTY, NULL);
 #endif /* TIOCSCTTY */
+#ifdef HAVE_VHANGUP
+	old = signal(SIGHUP, SIG_IGN);
+	vhangup();
+	signal(SIGHUP, old);
+#endif /* HAVE_VHANGUP */
 	fd = open(ttyname, O_RDWR);
-	if (fd < 0)
+	if (fd < 0) {
 		error("%.100s: %.100s", ttyname, strerror(errno));
-	else
+	} else {
+#ifdef HAVE_VHANGUP
+		close(*ttyfd);
+		*ttyfd = fd;
+#else /* HAVE_VHANGUP */
 		close(fd);
-
+#endif /* HAVE_VHANGUP */
+	}
 	/* Verify that we now have a controlling tty. */
 	fd = open("/dev/tty", O_WRONLY);
 	if (fd < 0)
diff --git a/ssh-agent.c b/ssh-agent.c
index 5a265e6b..c9a84a4a 100644
--- a/ssh-agent.c
+++ b/ssh-agent.c
@@ -511,7 +511,11 @@ main(int ac, char **av)
 			__progname);
 		exit(1);
 	}
+#ifdef __GNU_LIBRARY__
+	while ((ch = getopt(ac, av, "+cks")) != -1) {
+#else /* __GNU_LIBRARY__ */
 	while ((ch = getopt(ac, av, "cks")) != -1) {
+#endif /* __GNU_LIBRARY__ */
 		switch (ch) {
 		case 'c':
 			if (s_flag)
diff --git a/ssh.h b/ssh.h
index f79c119f..4d1b26df 100644
--- a/ssh.h
+++ b/ssh.h
@@ -71,6 +71,10 @@
  */
 #define SSH_SERVICE_NAME	"ssh"
 
+#if defined(USE_PAM) && !defined(SSHD_PAM_SERVICE)
+# define SSHD_PAM_SERVICE       "sshd"
+#endif
+
 #ifndef ETCDIR
 #define ETCDIR			"/etc"
 #endif /* ETCDIR */
-- 
2.45.2