manojampalam 4b82a86f39 5-11 C2
2016-05-11 17:34:38 -07:00

131 lines
3.8 KiB
C

/*
* Author: Manoj Ampalam <manoj.ampalam@microsoft.com>
* ssh-agent implementation on Windows
*
* 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.
*/
#include "agent.h"
int scm_start_servie(DWORD, LPWSTR*);
SERVICE_TABLE_ENTRYW dispatch_table[] =
{
{ L"ssh-agent", (LPSERVICE_MAIN_FUNCTIONW)scm_start_servie },
{ NULL, NULL }
};
static SERVICE_STATUS_HANDLE service_status_handle;
static SERVICE_STATUS service_status;
static VOID ReportSvcStatus(DWORD dwCurrentState, DWORD dwWin32ExitCode, DWORD dwWaitHint)
{
service_status.dwCurrentState = dwCurrentState;
service_status.dwWin32ExitCode = dwWin32ExitCode;
service_status.dwWaitHint = dwWaitHint;
if (dwCurrentState == SERVICE_START_PENDING)
service_status.dwControlsAccepted = 0;
else
service_status.dwControlsAccepted = SERVICE_ACCEPT_STOP;
if ((dwCurrentState == SERVICE_RUNNING) || (dwCurrentState == SERVICE_STOPPED))
service_status.dwCheckPoint = 0;
else
service_status.dwCheckPoint = 1;
SetServiceStatus(service_status_handle, &service_status);
}
static VOID WINAPI service_handler(DWORD dwControl)
{
switch (dwControl)
{
case SERVICE_CONTROL_STOP: {
ReportSvcStatus(SERVICE_STOP_PENDING, NO_ERROR, 500);
agent_shutdown();
ReportSvcStatus(SERVICE_STOPPED, NO_ERROR, 0);
return;
}
case SERVICE_CONTROL_INTERROGATE:
break;
default:
break;
}
ReportSvcStatus(service_status.dwCurrentState, NO_ERROR, 0);
}
BOOL WINAPI ctrl_c_handler(
_In_ DWORD dwCtrlType
) {
/* for any Ctrl type, shutdown agent*/
debug("Ctrl+C received");
agent_shutdown();
return TRUE;
}
int main(int argc, char **argv) {
w32posix_initialize();
load_config();
if (!StartServiceCtrlDispatcherW(dispatch_table)) {
if (GetLastError() == ERROR_FAILED_SERVICE_CONTROLLER_CONNECT) {
if (argc == 1) {
/* console app - start in debug mode*/
SetConsoleCtrlHandler(ctrl_c_handler, TRUE);
log_init("ssh-agent", 7, 1, 1);
agent_start(TRUE, FALSE, 0, 0);
return 0;
}
else {
char* h = 0;
h += atoi(*(argv + 1));
log_init("ssh-agent", config_log_level(), 1, 0);
agent_start(FALSE, TRUE, h, atoi(*(argv+2)));
return 0;
}
}
else
return -1;
}
return 0;
}
int scm_start_servie(DWORD num, LPWSTR* args) {
service_status_handle = RegisterServiceCtrlHandlerW(L"ssh-agent", service_handler);
ZeroMemory(&service_status, sizeof(service_status));
service_status.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
ReportSvcStatus(SERVICE_START_PENDING, NO_ERROR, 300);
ReportSvcStatus(SERVICE_RUNNING, NO_ERROR, 0);
log_init("ssh-agent", config_log_level(), 1, 0);
agent_start(FALSE, FALSE, 0, 0);
return 0;
}