separate wmain_sshd-session from wmain_sshd

contrib/win32/openssh/sshd-session.vcxproj

@@ -465,7 +465,6 @@
     <ClCompile Include="$(OpenSSH-Src-Path)sshlogin.c" />
     <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\win32_groupaccess.c" />
     <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\win32_sshpty.c" />
-    <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\wmain_sshd.c" />
     <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\w32-doexec.c" />
     <ClCompile Include="..\..\..\auth2-methods.c" />
     <ClCompile Include="..\..\..\auth2-pubkeyfile.c" />
@@ -474,6 +473,7 @@
     <ClCompile Include="..\..\..\ssh-sk-client.c" />
     <ClCompile Include="..\..\..\sshkey.c" />
     <ClCompile Include="..\win32compat\win32-utf8.c" />
+    <ClCompile Include="..\win32compat\wmain_sshd-session.c" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="version.rc" />

contrib/win32/openssh/sshd-session.vcxproj.filters

@@ -129,9 +129,6 @@
     <ClCompile Include="$(OpenSSH-Src-Path)sshlogin.c">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\wmain_sshd.c">
-      <Filter>Source Files</Filter>
-    </ClCompile>
     <ClCompile Include="$(OpenSSH-Src-Path)contrib\win32\win32compat\win32_sshpty.c">
       <Filter>Source Files</Filter>
     </ClCompile>
@@ -162,6 +159,9 @@
     <ClCompile Include="..\..\..\auth2-methods.c">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="..\win32compat\wmain_sshd-session.c">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="version.rc">

contrib/win32/win32compat/wmain_sshd-session.c

@@ -0,0 +1,117 @@
+/*
+* Author: Manoj Ampalam <manoj.ampalam@microsoft.com>
+*
+* wmain entry for sshd-session. 
+*
+* Copyright (c) 2015 Microsoft Corp.
+* All rights reserved
+*
+* Microsoft openssh win32 port
+*
+* Redistribution and use in source and binary forms, with or without
+* modification, are permitted provided that the following conditions
+* are met:
+*
+* 1. Redistributions of source code must retain the above copyright
+* notice, this list of conditions and the following disclaimer.
+* 2. Redistributions in binary form must reproduce the above copyright
+* notice, this list of conditions and the following disclaimer in the
+* documentation and/or other materials provided with the distribution.
+*
+* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/* disable inclusion of compatability defitnitions in CRT headers */
+#define __STDC__ 1
+#include <Windows.h>
+#include <wchar.h>
+#include <Lm.h>
+#include <sddl.h>
+#include <stdio.h>
+
+#include "inc\utf.h"
+#include "misc_internal.h"
+#include "Debug.h"
+
+int main(int, char **);
+extern HANDLE main_thread;
+
+int sshd_session_main(int argc, wchar_t **wargv) {
+	char** argv = NULL;
+	int i, r;
+	_set_invalid_parameter_handler(invalid_parameter_handler);
+
+	if (argc) {
+		if ((argv = malloc(argc * sizeof(char*))) == NULL) {
+			printf("out of memory");
+			exit(255);
+		}
+
+		for (i = 0; i < argc; i++)
+			argv[i] = utf16_to_utf8(wargv[i]);
+	}
+
+	w32posix_initialize();
+
+	r = main(argc, argv);
+	w32posix_done();
+	return r;
+}
+
+int argc_original = 0;
+wchar_t **wargv_original = NULL;
+
+int wmain(int argc, wchar_t **wargv) {
+	wchar_t *path_value = NULL, *path_new_value;
+	errno_t result = 0;
+	size_t path_new_len = 0, len;
+	argc_original = argc;
+	wargv_original = wargv;
+
+	init_prog_paths();
+	/* change current directory to sshd-session.exe root */
+	_wchdir(__wprogdir);
+
+	/*
+	* we want to launch scp and sftp executables from the binary directory
+	* that sshd is hosted in. This will facilitate hosting and evaluating
+	* multiple versions of OpenSSH at the same time.
+	* it does not work well for powershell, cygwin, etc if program path is
+	* prepended to executable directory. 
+	* To achive above, PATH is set to process environment
+	*/
+	_wdupenv_s(&path_value, &len, L"PATH");
+	if (!path_value || (wcsstr(path_value, __wprogdir)) == NULL) {
+		path_new_len = wcslen(__wprogdir) + wcslen(path_value) + 2;
+		if ((path_new_value = (wchar_t *) malloc(path_new_len * sizeof(wchar_t))) == NULL) {
+			errno = ENOMEM;
+			error("failed to allocation memory");
+			return -1;
+		}
+		swprintf_s(path_new_value, path_new_len, L"%s%s%s", __wprogdir, path_value ? L";" : L"",  path_value);
+		if (result = _wputenv_s(L"PATH", path_new_value)) {
+			error("failed to set PATH environment variable: to value:%s, error:%d", path_new_value, result);
+			errno = result;
+			if (path_new_value)
+				free(path_new_value);
+			if(path_value)
+				free(path_value);
+			return -1;
+		}
+		if (path_new_value)
+			free(path_new_value);
+		if(path_value)
+			free(path_value);
+	}
+
+	return sshd_session_main(argc, wargv);
+}