[contrib/cygwin/README, openbsd-compat/bsd-cygwin_util.c,

openbsd-compat/bsd-cygwin_util.h, openbsd-compat/daemon.c]
Allow SSHD to install as service under WIndows 9x/Me
[configure.ac] Fix to allow linking against PCRE on Cygwin
Patches by Corinna Vinschen <vinschen@redhat.com>

6 files changed, 81 insertions, 17 deletions

diff --git a/ChangeLog b/ChangeLog
index 29dd7841..6a7b4ccb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,10 @@
+20011126
+ - (tim) [contrib/cygwin/README, openbsd-compat/bsd-cygwin_util.c,
+   openbsd-compat/bsd-cygwin_util.h, openbsd-compat/daemon.c]
+   Allow SSHD to install as service under WIndows 9x/Me
+   [configure.ac] Fix to allow linking against PCRE on Cygwin
+   Patches by Corinna Vinschen <vinschen@redhat.com>
+
 20011115
  - (djm) Fix IPv4 default in ssh-keyscan. Spotted by Dan Astoorian 
    <djast@cs.toronto.edu> Fix from markus@
@@ -6912,4 +6919,4 @@
  - Wrote replacements for strlcpy and mkdtemp
  - Released 1.0pre1
 
-$Id: ChangeLog,v 1.1665 2001/11/15 12:16:50 djm Exp $
+$Id: ChangeLog,v 1.1666 2001/11/27 01:19:43 tim Exp $
diff --git a/configure.ac b/configure.ac
index e1844eb5..d86a2062 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,4 +1,4 @@
-# $Id: configure.ac,v 1.4 2001/11/03 19:09:33 tim Exp $
+# $Id: configure.ac,v 1.5 2001/11/27 01:19:43 tim Exp $
 
 AC_INIT
 AC_CONFIG_SRCDIR([ssh.c])
@@ -65,7 +65,7 @@ case "$host" in
 	AC_DEFINE(DISABLE_LASTLOG)
 	;;
 *-*-cygwin*)
-	LIBS="$LIBS -lregex /usr/lib/textmode.o"
+	LIBS="$LIBS /usr/lib/textmode.o"
 	AC_DEFINE(HAVE_CYGWIN)
 	AC_DEFINE(USE_PIPES)
 	AC_DEFINE(DISABLE_SHADOW)
@@ -401,18 +401,43 @@ AC_CHECK_LIB(z, deflate, ,AC_MSG_ERROR([*** zlib missing - please install first
 # We don't want to check if we did an pcre override.
 if test -z "$no_comp_check" ; then
 	AC_CHECK_FUNC(regcomp, 
-		[ AC_DEFINE(HAVE_REGCOMP)],
 		[
-			AC_CHECK_LIB(pcre, pcre_info, 
+			AC_CHECK_FUNC(regsub, 
+				[
+					has_regcomp=no
+				],
+				[
+					AC_DEFINE(HAVE_REGCOMP)
+					has_regcomp=yes
+				]
+			)
+		],
+		[
+			has_regcomp=no
+		]
+	)
+	# Either regcomp wasn't defined or regsub is defined (which means
+	# that the libc regex is probably an old non-POSIX implementation. 
+	# Now check for -lregex and -lpcreposix to find some usable regex
+	# implementation.
+	if test "$has_regcomp" = "no" ; then
+		AC_CHECK_LIB(regex, regcomp,
 			[
-				AC_DEFINE(HAVE_LIBPCRE)
-				LIBS="$LIBS -lpcreposix -lpcre"
+				AC_DEFINE(HAVE_REGCOMP)
+				LIBS="$LIBS -lregex"
 			],
 			[
-				AC_MSG_ERROR([*** No regex library found.])
-			])
-		]
-	)
+				AC_CHECK_LIB(pcre, pcre_info, 
+				[
+					AC_DEFINE(HAVE_LIBPCRE)
+					LIBS="$LIBS -lpcreposix -lpcre"
+				],
+				[
+					AC_MSG_ERROR([*** No regex library found.])
+				])
+			]
+		)
+	fi
 fi
 
 dnl UnixWare 2.x
diff --git a/contrib/cygwin/README b/contrib/cygwin/README
index dfe17867..7f7f9a33 100644
--- a/contrib/cygwin/README
+++ b/contrib/cygwin/README
@@ -1,6 +1,14 @@
 This package is the actual port of OpenSSH to Cygwin 1.3.
 
 ===========================================================================
+Important change since 3.0.1p1-2:
+
+This version introduces the ability to register sshd as service on
+Windows 9x/Me systems.  This is done only when the options -D and/or
+-d are not given.
+===========================================================================
+
+===========================================================================
 Important change since 2.9p2:
 
 Since Cygwin is able to switch user context without password beginning
@@ -162,12 +170,10 @@ configure are used for the Cygwin binary distribution:
 
 	--prefix=/usr \
 	--sysconfdir=/etc \
-	--libexecdir='${exec_prefix}/sbin \
-	--with-pcre
+	--libexecdir='${exec_prefix}/sbin'
 
 You must have installed the zlib, openssl and regex packages to
-be able to build OpenSSH! The `--with-pcre' option requires
-the installation of the pcre package.
+be able to build OpenSSH!
 
 Please send requests, error reports etc. to cygwin@cygwin.com.
 
diff --git a/openbsd-compat/bsd-cygwin_util.c b/openbsd-compat/bsd-cygwin_util.c
index 87f36c0c..6d6aafa4 100644
--- a/openbsd-compat/bsd-cygwin_util.c
+++ b/openbsd-compat/bsd-cygwin_util.c
@@ -15,7 +15,7 @@
 
 #include "includes.h"
 
-RCSID("$Id: bsd-cygwin_util.c,v 1.5 2001/07/18 16:19:49 mouring Exp $");
+RCSID("$Id: bsd-cygwin_util.c,v 1.6 2001/11/27 01:19:44 tim Exp $");
 
 #ifdef HAVE_CYGWIN
 
@@ -139,4 +139,26 @@ int check_ntsec(const char *filename)
 	return 0;
 }
 
+void register_9x_service(void)
+{
+        HINSTANCE kerneldll;
+        DWORD (*RegisterServiceProcess)(DWORD, DWORD);
+
+	/* The service register mechanism in 9x/Me is pretty different from
+	 * NT/2K/XP.  In NT/2K/XP we're using a special service starter
+	 * application to register and control sshd as service.  This method
+	 * doesn't play nicely with 9x/Me.  For that reason we register here
+	 * as service when running under 9x/Me.  This function is only called
+	 * by the child sshd when it's going to daemonize.
+	 */
+	if (is_winnt)
+		return;
+	if (! (kerneldll = LoadLibrary("KERNEL32.DLL")))
+		return;
+	if (! (RegisterServiceProcess = (DWORD (*)(DWORD, DWORD))
+			  GetProcAddress(kerneldll, "RegisterServiceProcess")))
+		return;
+	RegisterServiceProcess(0, 1);
+}
+
 #endif /* HAVE_CYGWIN */
diff --git a/openbsd-compat/bsd-cygwin_util.h b/openbsd-compat/bsd-cygwin_util.h
index 7879501e..24063d31 100644
--- a/openbsd-compat/bsd-cygwin_util.h
+++ b/openbsd-compat/bsd-cygwin_util.h
@@ -13,7 +13,7 @@
  * binary mode on Windows systems.
  */
 
-/* $Id: bsd-cygwin_util.h,v 1.4 2001/04/13 14:28:43 djm Exp $ */
+/* $Id: bsd-cygwin_util.h,v 1.5 2001/11/27 01:19:44 tim Exp $ */
 
 #ifndef _BSD_CYGWIN_UTIL_H
 #define _BSD_CYGWIN_UTIL_H
@@ -26,6 +26,7 @@ int binary_open(const char *filename, int flags, ...);
 int binary_pipe(int fd[2]);
 int check_nt_auth(int pwd_authenticated, uid_t uid);
 int check_ntsec(const char *filename);
+void register_9x_service(void);
 
 #define open binary_open
 #define pipe binary_pipe
diff --git a/openbsd-compat/daemon.c b/openbsd-compat/daemon.c
index f704a904..7d23b246 100644
--- a/openbsd-compat/daemon.c
+++ b/openbsd-compat/daemon.c
@@ -49,6 +49,9 @@ daemon(nochdir, noclose)
 	case -1:
 		return (-1);
 	case 0:
+#ifdef HAVE_CYGWIN
+		register_9x_service();
+#endif
 		break;
 	default:
 #ifdef HAVE_CYGWIN