Fossil

#include <windows.h>
#include <process.h>
#include "winhttp.h"

#ifndef IPV6_V6ONLY
# define IPV6_V6ONLY 27  /* Because this definition is missing in MinGW */
#endif

/*





































































































































































































** The HttpServer structure holds information about an instance of
** the HTTP server itself.
*/
typedef struct HttpServer HttpServer;
struct HttpServer {
  HANDLE hStoppedEvent; /* Event to signal when server is stopped,
                        ** must be closed by callee. */
  char *zStopper;       /* The stopper file name, must be freed by
                        ** callee. */
  SOCKET listener;      /* Socket on which the server is listening,
                        ** may be closed by callee. */
};

/*
** The HttpRequest structure holds information about each incoming
** HTTP request.
*/
typedef struct HttpRequest HttpRequest;
struct HttpRequest {
  int id;                /* ID counter */
  SOCKET s;              /* Socket on which to receive data */
  SOCKADDR_IN6 addr;     /* Address from which data is coming */
  int flags;             /* Flags passed to win32_http_server() */
  const char *zOptions;  /* --baseurl, --notfound, --localauth, --th-trace */
};

/*
** Prefix for a temporary file.
*/
................................................................................
** is found.  If there is no stopper file name, do nothing.
*/
static void win32_server_stopper(void *pAppData){
  HttpServer *p = (HttpServer*)pAppData;
  if( p!=0 ){
    HANDLE hStoppedEvent = p->hStoppedEvent;
    const char *zStopper = p->zStopper;
    SOCKET listener = p->listener;
    if( hStoppedEvent!=NULL && zStopper!=0 && listener!=INVALID_SOCKET ){
      while( 1 ){
        DWORD dwResult = WaitForMultipleObjectsEx(1, &hStoppedEvent, FALSE,
                                                  1000, TRUE);
        if( dwResult!=WAIT_IO_COMPLETION && dwResult!=WAIT_TIMEOUT ){
          /* The event is either invalid, signaled, or abandoned.  Bail
          ** out now because those conditions should indicate the parent
          ** thread is dead or dying. */
          break;
        }
        if( file_size(zStopper, ExtFILE)>=0 ){
          /* The stopper file has been found.  Attempt to close the server
          ** listener socket now and then exit. */
          closesocket(listener);
          p->listener = INVALID_SOCKET;
          break;
        }
      }
    }
    if( hStoppedEvent!=NULL ){
      CloseHandle(hStoppedEvent);
      p->hStoppedEvent = NULL;
................................................................................
*/
static void win32_http_request(void *pAppData){
  HttpRequest *p = (HttpRequest*)pAppData;
  FILE *in = 0, *out = 0, *aux = 0;
  int amt, got, i;
  int wanted = 0;
  char *z;
  char zIp[50];
  DWORD nIp = sizeof(zIp);
  char zCmdFName[MAX_PATH];
  char zRequestFName[MAX_PATH];
  char zReplyFName[MAX_PATH];
  char zCmd[2000];          /* Command-line to process the request */
  char zHdr[4000];          /* The HTTP request header */

  sqlite3_snprintf(MAX_PATH, zCmdFName,
................................................................................
  }

  /*
  ** The repository name is only needed if there was no open checkout.  This
  ** is designed to allow the open checkout for the interactive user to work
  ** with the local Fossil server started via the "ui" command.
  */
  p->addr.sin6_port = 0;
  if( WSAAddressToStringA((SOCKADDR*)&p->addr, sizeof(p->addr),
                          NULL, zIp, &nIp)!=0 ){
    zIp[0] = 0;
  }
  if( (p->flags & HTTP_SERVER_HAD_CHECKOUT)==0 ){
    assert( g.zRepositoryName && g.zRepositoryName[0] );
    sqlite3_snprintf(sizeof(zCmd), zCmd, "%s%s\n%s\n%s\n%s",
      get_utf8_bom(0), zRequestFName, zReplyFName, zIp, g.zRepositoryName
    );
  }else{
    sqlite3_snprintf(sizeof(zCmd), zCmd, "%s%s\n%s\n%s",
      get_utf8_bom(0), zRequestFName, zReplyFName, zIp
    );
  }

  aux = fossil_fopen(zCmdFName, "wb");
  if( aux==0 ) goto end_request;
  fwrite(zCmd, 1, strlen(zCmd), aux);

  sqlite3_snprintf(sizeof(zCmd), zCmd, "\"%s\" http -args \"%s\" --nossl%s",
    g.nameOfExe, zCmdFName, p->zOptions
  );
................................................................................
** Process a single incoming SCGI request.
*/
static void win32_scgi_request(void *pAppData){
  HttpRequest *p = (HttpRequest*)pAppData;
  FILE *in = 0, *out = 0;
  int amt, got, nHdr, i;
  int wanted = 0;
  char zIp[50];
  DWORD nIp = sizeof(zIp);
  char zRequestFName[MAX_PATH];
  char zReplyFName[MAX_PATH];
  char zCmd[2000];          /* Command-line to process the request */
  char zHdr[4000];          /* The SCGI request header */

  sqlite3_snprintf(MAX_PATH, zRequestFName,
                   "%s_%06d_in.txt", zTempPrefix, p->id);
................................................................................
  while( wanted>amt ){
    got = recv(p->s, zHdr, wanted<sizeof(zHdr) ? wanted : sizeof(zHdr), 0);
    if( got<=0 ) break;
    fwrite(zHdr, 1, got, out);
    wanted += got;
  }
  assert( g.zRepositoryName && g.zRepositoryName[0] );
  p->addr.sin6_port = 0;
  if (WSAAddressToStringA((SOCKADDR*)&p->addr, sizeof(p->addr),
                          NULL, zIp, &nIp)!=0){
    zIp[0] = 0;
  }
  sqlite3_snprintf(sizeof(zCmd), zCmd,
    "\"%s\" http \"%s\" \"%s\" %s \"%s\" --scgi --nossl%s",
    g.nameOfExe, zRequestFName, zReplyFName, zIp,
    g.zRepositoryName, p->zOptions
  );

  in = fossil_fopen(zReplyFName, "w+b");
  fflush(out);
  fossil_system(zCmd);
  if( in ){
    while( (got = fread(zHdr, 1, sizeof(zHdr), in))>0 ){
      send(p->s, zHdr, got, 0);
    }
................................................................................
  ** software keeps the files open for a few seconds, preventing the file
  ** from being deleted on the first try. */
  for(i=1; i<=10 && file_delete(zRequestFName); i++){ Sleep(1000*i); }
  for(i=1; i<=10 && file_delete(zReplyFName); i++){ Sleep(1000*i); }
  fossil_free(p);
}




/*
** Start a listening socket and process incoming HTTP requests on
** that socket.
*/
void win32_http_server(
  int mnPort, int mxPort,   /* Range of allowed TCP port numbers */
................................................................................
  const char *zNotFound,    /* The --notfound option, or NULL */
  const char *zFileGlob,    /* The --fileglob option, or NULL */
  const char *zIpAddr,      /* Bind to this IP address, if not NULL */
  int flags                 /* One or more HTTP_SERVER_ flags */
){
  HANDLE hStoppedEvent;
  WSADATA wd;
  SOCKET s = INVALID_SOCKET;
  SOCKADDR_IN6 addr;
  int addrlen;
  int idCnt = 0;
  int iPort = mnPort;
  Blob options;
  wchar_t zTmpPath[MAX_PATH];
  const char *zSkin;
#if USE_SEE
  const char *zSavedKey = 0;
................................................................................
    blob_appendf(&options, " --usepidkey %lu:%p:%u", GetCurrentProcessId(),
                 zSavedKey, savedKeySize);
  }
#endif
  if( WSAStartup(MAKEWORD(2,0), &wd) ){
    fossil_fatal("unable to initialize winsock");
  }
  if( flags & HTTP_SERVER_LOCALHOST ){
    zIpAddr = "::1";
  }
  while( iPort<=mxPort ){
    DWORD ipv6only = 0;
    s = socket(AF_INET6, SOCK_STREAM, 0);
    if( s==INVALID_SOCKET ){
      fossil_fatal("unable to create a socket");
    }
    setsockopt(s, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&ipv6only,
               sizeof(ipv6only));
    memset(&addr, 0, sizeof(addr));
    addrlen = sizeof(addr);
    if( zIpAddr ){
      char* zIp;
      if( strstr(zIpAddr, ".") ){
        zIp = mprintf("::ffff:%s", zIpAddr);
      }else{
        zIp = mprintf("%s", zIpAddr);
      }
      addr.sin6_family = AF_INET6;
      if (WSAStringToAddress(zIp, AF_INET6, NULL,
                             (struct sockaddr *)&addr, &addrlen) != 0){
        fossil_fatal("not a valid IP address: %s", zIpAddr);
      }
      ((SOCKADDR_IN6*)&addr)->sin6_port = htons(iPort);
      fossil_free(zIp);
    }else{
      addr.sin6_family = AF_INET6;
      addr.sin6_port = htons(iPort);
      memcpy(&addr.sin6_addr, &in6addr_any, sizeof(in6addr_any));
    }
    if( bind(s, (struct sockaddr*)&addr, sizeof(addr))==SOCKET_ERROR ){
      closesocket(s);

      iPort++;
      continue;
    }
    if( listen(s, SOMAXCONN)==SOCKET_ERROR ){
      closesocket(s);





      iPort++;
      continue;

    }
    break;
  }
  if( iPort>mxPort ){
    if( mnPort==mxPort ){
      fossil_fatal("unable to open listening socket on ports %d", mnPort);
    }else{
      fossil_fatal("unable to open listening socket on any"
                   " port in the range %d..%d", mnPort, mxPort);
    }
  }
  if( !GetTempPathW(MAX_PATH, zTmpPath) ){
    fossil_fatal("unable to get path to the temporary directory.");
................................................................................
    HttpServer *pServer = fossil_malloc(sizeof(HttpServer));
    memset(pServer, 0, sizeof(HttpServer));
    DuplicateHandle(GetCurrentProcess(), hStoppedEvent,
                    GetCurrentProcess(), &pServer->hStoppedEvent,
                    0, FALSE, DUPLICATE_SAME_ACCESS);
    assert( pServer->hStoppedEvent!=NULL );
    pServer->zStopper = fossil_strdup(zStopper);
    pServer->listener = s;
    file_delete(zStopper);
    _beginthread(win32_server_stopper, 0, (void*)pServer);
  }
  /* Set the service status to running and pass the listener socket to the
  ** service handling procedures. */
  win32_http_service_running(s);
  for(;;){
    SOCKET client;
    SOCKADDR_IN6 client_addr;
    HttpRequest *pRequest;
    int len = sizeof(client_addr);
    int wsaError;

    client = accept(s, (struct sockaddr*)&client_addr, &len);

    if( client==INVALID_SOCKET ){
      /* If the service control handler has closed the listener socket,
      ** cleanup and return, otherwise report a fatal error. */
      wsaError =  WSAGetLastError();

      if( (wsaError==WSAEINTR) || (wsaError==WSAENOTSOCK) ){
        WSACleanup();
        return;
      }else{
        closesocket(s);
        WSACleanup();
        fossil_fatal("error from accept()");
      }
    }

    pRequest = fossil_malloc(sizeof(HttpRequest));
    pRequest->id = ++idCnt;
    pRequest->s = client;
    pRequest->addr = client_addr;
    pRequest->flags = flags;
    pRequest->zOptions = blob_str(&options);
    if( flags & HTTP_SERVER_SCGI ){
      _beginthread(win32_scgi_request, 0, (void*)pRequest);
    }else{
      _beginthread(win32_http_request, 0, (void*)pRequest);
    }
  }
  closesocket(s);














  WSACleanup();
  SetEvent(hStoppedEvent);
  CloseHandle(hStoppedEvent);
}

/*
** The HttpService structure is used to pass information to the service main
................................................................................
  int port;                 /* Port on which the http server should run */
  const char *zBaseUrl;     /* The --baseurl option, or NULL */
  const char *zNotFound;    /* The --notfound option, or NULL */
  const char *zFileGlob;    /* The --files option, or NULL */
  int flags;                /* One or more HTTP_SERVER_ flags */
  int isRunningAsService;   /* Are we running as a service ? */
  const wchar_t *zServiceName;/* Name of the service */
  SOCKET s;                 /* Socket on which the http server listens */
};

/*
** Variables used for running as windows service.
*/
static HttpService hsData = {8080, NULL, NULL, NULL, 0, 0, NULL, INVALID_SOCKET};

static SERVICE_STATUS ssStatus;
static SERVICE_STATUS_HANDLE sshStatusHandle;

/*
** Get message string of the last system error. Return a pointer to the
** message string. Call fossil_unicode_free() to deallocate any memory used
** to store the message string when done.
................................................................................
** control manager.
*/
static void WINAPI win32_http_service_ctrl(
  DWORD dwCtrlCode
){
  switch( dwCtrlCode ){
    case SERVICE_CONTROL_STOP: {

      win32_report_service_status(SERVICE_STOP_PENDING, NO_ERROR, 0);
      if( hsData.s != INVALID_SOCKET ){
        closesocket(hsData.s);
      }
      win32_report_service_status(ssStatus.dwCurrentState, NO_ERROR, 0);
      break;
    }
    default: {
      break;
    }
  }
  return;
................................................................................
}

/*
** When running as service, update the HttpService structure with the
** listener socket and update the service status. This procedure must be
** called from the http server when he is ready to accept connections.
*/
LOCAL void win32_http_service_running(SOCKET s){
  if( hsData.isRunningAsService ){
    hsData.s = s;
    win32_report_service_status(SERVICE_RUNNING, NO_ERROR, 0);
  }
}

/*
** Try to start the http server as a windows service. If we are running in
** a interactive console session, this routine fails and returns a non zero
................................................................................

  /* Initialize the HttpService structure. */
  hsData.port = nPort;
  hsData.zBaseUrl = zBaseUrl;
  hsData.zNotFound = zNotFound;
  hsData.zFileGlob = zFileGlob;
  hsData.flags = flags;



  /* Try to start the control dispatcher thread for the service. */
  if( !StartServiceCtrlDispatcherW(ServiceTable) ){
    if( GetLastError()==ERROR_FAILED_SERVICE_CONTROLLER_CONNECT ){
      return 1;
    }else{
      fossil_fatal("error from StartServiceCtrlDispatcher()");
................................................................................
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_STOPPED ){
      fossil_print("Stopping service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_STOP_PENDING ){
        if( !ControlService(hSvc, SERVICE_CONTROL_STOP, &sstat) ){
          winhttp_fatal("delete", zSvcName, win32_get_last_errmsg());
        }

      }
      while( sstat.dwCurrentState!=SERVICE_STOPPED ){

        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }

      fossil_print("\nService '%s' stopped.\n", zSvcName);



    }
    if( !DeleteService(hSvc) ){
      if( GetLastError()==ERROR_SERVICE_MARKED_FOR_DELETE ){
        fossil_warning("Service '%s' already marked for delete.\n", zSvcName);
      }else{
        winhttp_fatal("delete", zSvcName, win32_get_last_errmsg());
      }
................................................................................
    if( !hScm ) winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
    hSvc = OpenServiceW(hScm, fossil_utf8_to_unicode(zSvcName),
                        SERVICE_ALL_ACCESS);
    if( !hSvc ) winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_RUNNING ){
      fossil_print("Starting service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_START_PENDING ){
        if( !StartServiceW(hSvc, 0, NULL) ){
          winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
        }

      }
      while( sstat.dwCurrentState!=SERVICE_RUNNING ){

        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }

      fossil_print("\nService '%s' started.\n", zSvcName);



    }else{
      fossil_print("Service '%s' is already started.\n", zSvcName);
    }
    CloseServiceHandle(hSvc);
    CloseServiceHandle(hScm);
  }else
  if( strncmp(zMethod, "stop", n)==0 ){
................................................................................
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_STOPPED ){
      fossil_print("Stopping service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_STOP_PENDING ){
        if( !ControlService(hSvc, SERVICE_CONTROL_STOP, &sstat) ){
          winhttp_fatal("stop", zSvcName, win32_get_last_errmsg());
        }

      }
      while( sstat.dwCurrentState!=SERVICE_STOPPED ){

        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }

      fossil_print("\nService '%s' stopped.\n", zSvcName);



    }else{
      fossil_print("Service '%s' is already stopped.\n", zSvcName);
    }
    CloseServiceHandle(hSvc);
    CloseServiceHandle(hScm);
  }else
  {

#include <windows.h>
#include <process.h>
#include "winhttp.h"

#ifndef IPV6_V6ONLY
# define IPV6_V6ONLY 27  /* Because this definition is missing in MinGW */
#endif

/*
** The SocketAddr structure holds a SOCKADDR_STORAGE and its content size.
*/
typedef struct SocketAddr SocketAddr;
struct SocketAddr {
  SOCKADDR_STORAGE addr;
  int len;
};

static char* SocketAddr_toString(const SocketAddr* pAddr){
  SocketAddr addr;
  char* zIp;
  DWORD nIp = 50;
  assert( pAddr!=NULL );
  memcpy(&addr, pAddr, sizeof(SocketAddr));
  if( addr.len==sizeof(SOCKADDR_IN6) ){
    ((SOCKADDR_IN6*)&addr)->sin6_port = 0;
  }else{
    ((SOCKADDR_IN*)&addr)->sin_port = 0;
  }
  zIp = fossil_malloc(nIp);
  if( WSAAddressToStringA((SOCKADDR*)&addr, addr.len, NULL, zIp, &nIp)!=0 ){
    zIp[0] = 0;
  }
  return zIp;
}

/*
** The DualAddr structure holds two SocketAddr (one IPv4 and on IPv6).
*/
typedef struct DualAddr DualAddr;
struct DualAddr {
  SocketAddr a4;  /* IPv4 SOCKADDR_IN */
  SocketAddr a6;  /* IPv6 SOCKADDR_IN6 */
};

static void DualAddr_init(DualAddr* pDA){
  assert( pDA!=NULL );
  memset(pDA, 0, sizeof(DualAddr));
  pDA->a4.len = sizeof(SOCKADDR_IN);
  pDA->a6.len = sizeof(SOCKADDR_IN6);
}

/*
** The DualSocket structure holds two SOCKETs. One or both could be
** used or INVALID_SOCKET.  One is dedicated to IPv4, the other to IPv6.
*/
typedef struct DualSocket DualSocket;
struct DualSocket {
  SOCKET s4;    /* IPv4 socket or INVALID_SOCKET */
  SOCKET s6;    /* IPv6 socket or INVALID_SOCKET */
};

/*
** Initializes a DualSocket.
*/
static void DualSocket_init(DualSocket* ds){
  assert( ds!=NULL );
  ds->s4 = INVALID_SOCKET;
  ds->s6 = INVALID_SOCKET;
};

/*
** Close and reset a DualSocket.
*/
static void DualSocket_close(DualSocket* ds){
  assert( ds!=NULL );
  if( ds->s4!=INVALID_SOCKET ){
    closesocket(ds->s4);
    ds->s4 = INVALID_SOCKET;
  }
  if( ds->s6!=INVALID_SOCKET ){
    closesocket(ds->s6);
    ds->s6 = INVALID_SOCKET;
  }
};

/*
** When ip is "W", listen to wildcard address (IPv4/IPv6 as available).
** When ip is "L", listen to loopback address (IPv4/IPv6 as available).
** Else listen only the specified ip, which is either IPv4 or IPv6 or invalid.
** Returns 1 on success, 0 on failure.
*/
static int DualSocket_listen(DualSocket* ds, const char* zIp, int iPort){
  SOCKADDR_IN addr4;
  SOCKADDR_IN6 addr6;
  assert( ds!=NULL && zIp!=NULL && iPort!=0 );
  DualSocket_close(ds);
  memset(&addr4, 0, sizeof(addr4));
  memset(&addr6, 0, sizeof(addr6));
  if (strcmp(zIp, "W")==0 || strcmp(zIp, "L")==0 ){
    ds->s4 = socket(AF_INET, SOCK_STREAM, 0);
    ds->s6 = socket(AF_INET6, SOCK_STREAM, 0);
    if( ds->s4==INVALID_SOCKET && ds->s6==INVALID_SOCKET ){
      return 0;
    }
    if (ds->s4!=INVALID_SOCKET ) {
      addr4.sin_family = AF_INET;
      addr4.sin_port = htons(iPort);
      if( strcmp(zIp, "L")==0 ){
        addr4.sin_addr.s_addr = htonl(INADDR_LOOPBACK);
      }else{
        addr4.sin_addr.s_addr = INADDR_ANY;
      }
    }
    if( ds->s6!=INVALID_SOCKET ) {
      DWORD ipv6only = 1; /* don't want a dual-stack socket */
      setsockopt(ds->s6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&ipv6only,
                 sizeof(ipv6only));
      addr6.sin6_family = AF_INET6;
      addr6.sin6_port = htons(iPort);
      if( strcmp(zIp, "L")==0 ){
        memcpy(&addr6.sin6_addr, &in6addr_loopback, sizeof(in6addr_loopback));
      }else{
        memcpy(&addr6.sin6_addr, &in6addr_any, sizeof(in6addr_any));
      }
    }
  }else{
    if( strstr(zIp, ".") ){
      int addrlen = sizeof(addr4);
      ds->s4 = socket(AF_INET, SOCK_STREAM, 0);
      if( ds->s4==INVALID_SOCKET ){
        return 0;
      }
      addr4.sin_family = AF_INET;
      if (WSAStringToAddress((char*)zIp, AF_INET, NULL,
                             (struct sockaddr *)&addr4, &addrlen) != 0){
        return 0;
      }
      addr4.sin_port = htons(iPort);
    }else{
      DWORD ipv6only = 1; /* don't want a dual-stack socket */
      int addrlen = sizeof(addr6);
      ds->s6 = socket(AF_INET6, SOCK_STREAM, 0);
      if( ds->s6==INVALID_SOCKET ){
        return 0;
      }
      setsockopt(ds->s6, IPPROTO_IPV6, IPV6_V6ONLY, (char*)&ipv6only,
                 sizeof(ipv6only));
      addr6.sin6_family = AF_INET6;
      if (WSAStringToAddress((char*)zIp, AF_INET6, NULL,
                             (struct sockaddr *)&addr6, &addrlen) != 0){
        return 0;
      }
      addr6.sin6_port = htons(iPort);
    }
  }
  assert( ds->s4!=INVALID_SOCKET || ds->s6!=INVALID_SOCKET );
  if( ds->s4!=INVALID_SOCKET && bind(ds->s4, (struct sockaddr*)&addr4,
                                 sizeof(addr4))==SOCKET_ERROR ){
    return 0;
  }
  if( ds->s6!=INVALID_SOCKET && bind(ds->s6, (struct sockaddr*)&addr6,
                                 sizeof(addr6))==SOCKET_ERROR ){
    return 0;
  }
  if( ds->s4!=INVALID_SOCKET && listen(ds->s4, SOMAXCONN)==SOCKET_ERROR ){
    return 0;
  }
  if( ds->s6!=INVALID_SOCKET && listen(ds->s6, SOMAXCONN)==SOCKET_ERROR ){
    return 0;
  }
  return 1;
};

/*
** Accepts connections on DualSocket.
*/
static void DualSocket_accept(DualSocket* pListen, DualSocket* pClient,
                              DualAddr* pClientAddr){
	fd_set rs;
  int rs_count = 0;
  assert( pListen!=NULL && pClient!=NULL && pClientAddr!= NULL );
  DualSocket_init(pClient);
  DualAddr_init(pClientAddr);
  FD_ZERO(&rs);
	if( pListen->s4!=INVALID_SOCKET ){
    FD_SET(pListen->s4, &rs);
    ++rs_count;
  }
	if( pListen->s6!=INVALID_SOCKET ){
    FD_SET(pListen->s6, &rs);
    ++rs_count;
  }
	if( select(rs_count, &rs, 0, 0, 0 /*blocking*/)==SOCKET_ERROR ){
		return;
  }
  if( FD_ISSET(pListen->s4, &rs) ){
    pClient->s4 = accept(pListen->s4, (struct sockaddr*)&pClientAddr->a4.addr,
                         &pClientAddr->a4.len);
  }
  if( FD_ISSET(pListen->s6, &rs) ){
    pClient->s6 = accept(pListen->s6, (struct sockaddr*)&pClientAddr->a6.addr,
                         &pClientAddr->a6.len);
  }
}

/*
** The HttpServer structure holds information about an instance of
** the HTTP server itself.
*/
typedef struct HttpServer HttpServer;
struct HttpServer {
  HANDLE hStoppedEvent; /* Event to signal when server is stopped,
                        ** must be closed by callee. */
  char *zStopper;       /* The stopper file name, must be freed by
                        ** callee. */
  DualSocket listener;  /* Sockets on which the server is listening,
                        ** may be closed by callee. */
};

/*
** The HttpRequest structure holds information about each incoming
** HTTP request.
*/
typedef struct HttpRequest HttpRequest;
struct HttpRequest {
  int id;                /* ID counter */
  SOCKET s;              /* Socket on which to receive data */
  SocketAddr addr;       /* Address from which data is coming */
  int flags;             /* Flags passed to win32_http_server() */
  const char *zOptions;  /* --baseurl, --notfound, --localauth, --th-trace */
};

/*
** Prefix for a temporary file.
*/
................................................................................
** is found.  If there is no stopper file name, do nothing.
*/
static void win32_server_stopper(void *pAppData){
  HttpServer *p = (HttpServer*)pAppData;
  if( p!=0 ){
    HANDLE hStoppedEvent = p->hStoppedEvent;
    const char *zStopper = p->zStopper;

    if( hStoppedEvent!=NULL && zStopper!=0 ){
      while( 1 ){
        DWORD dwResult = WaitForMultipleObjectsEx(1, &hStoppedEvent, FALSE,
                                                  1000, TRUE);
        if( dwResult!=WAIT_IO_COMPLETION && dwResult!=WAIT_TIMEOUT ){
          /* The event is either invalid, signaled, or abandoned.  Bail
          ** out now because those conditions should indicate the parent
          ** thread is dead or dying. */
          break;
        }
        if( file_size(zStopper, ExtFILE)>=0 ){
          /* The stopper file has been found.  Attempt to close the server
          ** listener socket now and then exit. */

          DualSocket_close(&p->listener);
          break;
        }
      }
    }
    if( hStoppedEvent!=NULL ){
      CloseHandle(hStoppedEvent);
      p->hStoppedEvent = NULL;
................................................................................
*/
static void win32_http_request(void *pAppData){
  HttpRequest *p = (HttpRequest*)pAppData;
  FILE *in = 0, *out = 0, *aux = 0;
  int amt, got, i;
  int wanted = 0;
  char *z;
  char *zIp;

  char zCmdFName[MAX_PATH];
  char zRequestFName[MAX_PATH];
  char zReplyFName[MAX_PATH];
  char zCmd[2000];          /* Command-line to process the request */
  char zHdr[4000];          /* The HTTP request header */

  sqlite3_snprintf(MAX_PATH, zCmdFName,
................................................................................
  }

  /*
  ** The repository name is only needed if there was no open checkout.  This
  ** is designed to allow the open checkout for the interactive user to work
  ** with the local Fossil server started via the "ui" command.
  */
  zIp = SocketAddr_toString(&p->addr);




  if( (p->flags & HTTP_SERVER_HAD_CHECKOUT)==0 ){
    assert( g.zRepositoryName && g.zRepositoryName[0] );
    sqlite3_snprintf(sizeof(zCmd), zCmd, "%s%s\n%s\n%s\n%s",
      get_utf8_bom(0), zRequestFName, zReplyFName, zIp, g.zRepositoryName
    );
  }else{
    sqlite3_snprintf(sizeof(zCmd), zCmd, "%s%s\n%s\n%s",
      get_utf8_bom(0), zRequestFName, zReplyFName, zIp
    );
  }
  fossil_free(zIp);
  aux = fossil_fopen(zCmdFName, "wb");
  if( aux==0 ) goto end_request;
  fwrite(zCmd, 1, strlen(zCmd), aux);

  sqlite3_snprintf(sizeof(zCmd), zCmd, "\"%s\" http -args \"%s\" --nossl%s",
    g.nameOfExe, zCmdFName, p->zOptions
  );
................................................................................
** Process a single incoming SCGI request.
*/
static void win32_scgi_request(void *pAppData){
  HttpRequest *p = (HttpRequest*)pAppData;
  FILE *in = 0, *out = 0;
  int amt, got, nHdr, i;
  int wanted = 0;
  char *zIp;

  char zRequestFName[MAX_PATH];
  char zReplyFName[MAX_PATH];
  char zCmd[2000];          /* Command-line to process the request */
  char zHdr[4000];          /* The SCGI request header */

  sqlite3_snprintf(MAX_PATH, zRequestFName,
                   "%s_%06d_in.txt", zTempPrefix, p->id);
................................................................................
  while( wanted>amt ){
    got = recv(p->s, zHdr, wanted<sizeof(zHdr) ? wanted : sizeof(zHdr), 0);
    if( got<=0 ) break;
    fwrite(zHdr, 1, got, out);
    wanted += got;
  }
  assert( g.zRepositoryName && g.zRepositoryName[0] );
  zIp = SocketAddr_toString(&p->addr);




  sqlite3_snprintf(sizeof(zCmd), zCmd,
    "\"%s\" http \"%s\" \"%s\" %s \"%s\" --scgi --nossl%s",
    g.nameOfExe, zRequestFName, zReplyFName, zIp,
    g.zRepositoryName, p->zOptions
  );
  fossil_free(zIp);
  in = fossil_fopen(zReplyFName, "w+b");
  fflush(out);
  fossil_system(zCmd);
  if( in ){
    while( (got = fread(zHdr, 1, sizeof(zHdr), in))>0 ){
      send(p->s, zHdr, got, 0);
    }
................................................................................
  ** software keeps the files open for a few seconds, preventing the file
  ** from being deleted on the first try. */
  for(i=1; i<=10 && file_delete(zRequestFName); i++){ Sleep(1000*i); }
  for(i=1; i<=10 && file_delete(zReplyFName); i++){ Sleep(1000*i); }
  fossil_free(p);
}

/* forward reference */
static void win32_http_service_running(DualSocket* pS);

/*
** Start a listening socket and process incoming HTTP requests on
** that socket.
*/
void win32_http_server(
  int mnPort, int mxPort,   /* Range of allowed TCP port numbers */
................................................................................
  const char *zNotFound,    /* The --notfound option, or NULL */
  const char *zFileGlob,    /* The --fileglob option, or NULL */
  const char *zIpAddr,      /* Bind to this IP address, if not NULL */
  int flags                 /* One or more HTTP_SERVER_ flags */
){
  HANDLE hStoppedEvent;
  WSADATA wd;
  DualSocket ds;


  int idCnt = 0;
  int iPort = mnPort;
  Blob options;
  wchar_t zTmpPath[MAX_PATH];
  const char *zSkin;
#if USE_SEE
  const char *zSavedKey = 0;
................................................................................
    blob_appendf(&options, " --usepidkey %lu:%p:%u", GetCurrentProcessId(),
                 zSavedKey, savedKeySize);
  }
#endif
  if( WSAStartup(MAKEWORD(2,0), &wd) ){
    fossil_fatal("unable to initialize winsock");
  }
  DualSocket_init(&ds);


  while( iPort<=mxPort ){









    if( zIpAddr ){




















      if( DualSocket_listen(&ds, zIpAddr, iPort)==0 ){
        iPort++;
        continue;
      }


    }else{
      if( DualSocket_listen(&ds,
                            (flags & HTTP_SERVER_LOCALHOST) ? "L" : "W",
                            iPort
                           )==0 ){
        iPort++;
        continue;
      }
    }
    break;
  }
  if( iPort>mxPort ){
    if( mnPort==mxPort ){
      fossil_fatal("unable to open listening socket on port %d", mnPort);
    }else{
      fossil_fatal("unable to open listening socket on any"
                   " port in the range %d..%d", mnPort, mxPort);
    }
  }
  if( !GetTempPathW(MAX_PATH, zTmpPath) ){
    fossil_fatal("unable to get path to the temporary directory.");
................................................................................
    HttpServer *pServer = fossil_malloc(sizeof(HttpServer));
    memset(pServer, 0, sizeof(HttpServer));
    DuplicateHandle(GetCurrentProcess(), hStoppedEvent,
                    GetCurrentProcess(), &pServer->hStoppedEvent,
                    0, FALSE, DUPLICATE_SAME_ACCESS);
    assert( pServer->hStoppedEvent!=NULL );
    pServer->zStopper = fossil_strdup(zStopper);
    pServer->listener = ds;
    file_delete(zStopper);
    _beginthread(win32_server_stopper, 0, (void*)pServer);
  }
  /* Set the service status to running and pass the listener socket to the
  ** service handling procedures. */
  win32_http_service_running(&ds);
  for(;;){
    DualSocket client;
    DualAddr client_addr;
    HttpRequest *pRequest;

    int wsaError;


    DualSocket_accept(&ds, &client, &client_addr);
    if( client.s4==INVALID_SOCKET && client.s6==INVALID_SOCKET ){
      /* If the service control handler has closed the listener socket,
      ** cleanup and return, otherwise report a fatal error. */
      wsaError =  WSAGetLastError();
      DualSocket_close(&ds);
      if( (wsaError==WSAEINTR) || (wsaError==WSAENOTSOCK) ){
        WSACleanup();
        return;
      }else{

        WSACleanup();
        fossil_fatal("error from accept()");
      }
    }
    if( client.s4!=INVALID_SOCKET ){
      pRequest = fossil_malloc(sizeof(HttpRequest));
      pRequest->id = ++idCnt;
      pRequest->s = client.s4;
      memcpy(&pRequest->addr, &client_addr.a4, sizeof(client_addr.a4));
      pRequest->flags = flags;
      pRequest->zOptions = blob_str(&options);
      if( flags & HTTP_SERVER_SCGI ){
        _beginthread(win32_scgi_request, 0, (void*)pRequest);
      }else{
        _beginthread(win32_http_request, 0, (void*)pRequest);
      }
    }
    if( client.s6!=INVALID_SOCKET ){
      pRequest = fossil_malloc(sizeof(HttpRequest));
      pRequest->id = ++idCnt;
      pRequest->s = client.s6;
      memcpy(&pRequest->addr, &client_addr.a6, sizeof(client_addr.a6));
      pRequest->flags = flags;
      pRequest->zOptions = blob_str(&options);
      if( flags & HTTP_SERVER_SCGI ){
        _beginthread(win32_scgi_request, 0, (void*)pRequest);
      }else{
        _beginthread(win32_http_request, 0, (void*)pRequest);
      }
    }
  }
  DualSocket_close(&ds);
  WSACleanup();
  SetEvent(hStoppedEvent);
  CloseHandle(hStoppedEvent);
}

/*
** The HttpService structure is used to pass information to the service main
................................................................................
  int port;                 /* Port on which the http server should run */
  const char *zBaseUrl;     /* The --baseurl option, or NULL */
  const char *zNotFound;    /* The --notfound option, or NULL */
  const char *zFileGlob;    /* The --files option, or NULL */
  int flags;                /* One or more HTTP_SERVER_ flags */
  int isRunningAsService;   /* Are we running as a service ? */
  const wchar_t *zServiceName;/* Name of the service */
  DualSocket s;             /* Sockets on which the http server listens */
};

/*
** Variables used for running as windows service.
*/
static HttpService hsData = {8080, NULL, NULL, NULL, 0, 0, NULL,
                             {INVALID_SOCKET, INVALID_SOCKET}};
static SERVICE_STATUS ssStatus;
static SERVICE_STATUS_HANDLE sshStatusHandle;

/*
** Get message string of the last system error. Return a pointer to the
** message string. Call fossil_unicode_free() to deallocate any memory used
** to store the message string when done.
................................................................................
** control manager.
*/
static void WINAPI win32_http_service_ctrl(
  DWORD dwCtrlCode
){
  switch( dwCtrlCode ){
    case SERVICE_CONTROL_STOP: {
      DualSocket_close(&hsData.s);
      win32_report_service_status(SERVICE_STOP_PENDING, NO_ERROR, 0);




      break;
    }
    default: {
      break;
    }
  }
  return;
................................................................................
}

/*
** When running as service, update the HttpService structure with the
** listener socket and update the service status. This procedure must be
** called from the http server when he is ready to accept connections.
*/
static void win32_http_service_running(DualSocket *pS){
  if( hsData.isRunningAsService ){
    hsData.s = *pS;
    win32_report_service_status(SERVICE_RUNNING, NO_ERROR, 0);
  }
}

/*
** Try to start the http server as a windows service. If we are running in
** a interactive console session, this routine fails and returns a non zero
................................................................................

  /* Initialize the HttpService structure. */
  hsData.port = nPort;
  hsData.zBaseUrl = zBaseUrl;
  hsData.zNotFound = zNotFound;
  hsData.zFileGlob = zFileGlob;
  hsData.flags = flags;

  if( GetStdHandle(STD_INPUT_HANDLE)!=NULL ){ return 1; }

  /* Try to start the control dispatcher thread for the service. */
  if( !StartServiceCtrlDispatcherW(ServiceTable) ){
    if( GetLastError()==ERROR_FAILED_SERVICE_CONTROLLER_CONNECT ){
      return 1;
    }else{
      fossil_fatal("error from StartServiceCtrlDispatcher()");
................................................................................
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_STOPPED ){
      fossil_print("Stopping service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_STOP_PENDING ){
        if( !ControlService(hSvc, SERVICE_CONTROL_STOP, &sstat) ){
          winhttp_fatal("delete", zSvcName, win32_get_last_errmsg());
        }
        QueryServiceStatus(hSvc, &sstat);
      }
      while( sstat.dwCurrentState==SERVICE_STOP_PENDING  ||
             sstat.dwCurrentState==SERVICE_RUNNING ){
        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }
      if( sstat.dwCurrentState==SERVICE_STOPPED ){
        fossil_print("\nService '%s' stopped.\n", zSvcName);
      }else{
        winhttp_fatal("delete", zSvcName, win32_get_last_errmsg());
      }
    }
    if( !DeleteService(hSvc) ){
      if( GetLastError()==ERROR_SERVICE_MARKED_FOR_DELETE ){
        fossil_warning("Service '%s' already marked for delete.\n", zSvcName);
      }else{
        winhttp_fatal("delete", zSvcName, win32_get_last_errmsg());
      }
................................................................................
    if( !hScm ) winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
    hSvc = OpenServiceW(hScm, fossil_utf8_to_unicode(zSvcName),
                        SERVICE_ALL_ACCESS);
    if( !hSvc ) winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_RUNNING ){
      fossil_print("Starting service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_START_PENDING ){ 
        if( !StartServiceW(hSvc, 0, NULL) ){ 
          winhttp_fatal("start", zSvcName, win32_get_last_errmsg()); 
        } 
        QueryServiceStatus(hSvc, &sstat); 
      } 
      while( sstat.dwCurrentState==SERVICE_START_PENDING ||
             sstat.dwCurrentState==SERVICE_STOPPED ){
        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }
      if( sstat.dwCurrentState==SERVICE_RUNNING ){
        fossil_print("\nService '%s' started.\n", zSvcName);
      }else{
        winhttp_fatal("start", zSvcName, win32_get_last_errmsg());
      }
    }else{
      fossil_print("Service '%s' is already started.\n", zSvcName);
    }
    CloseServiceHandle(hSvc);
    CloseServiceHandle(hScm);
  }else
  if( strncmp(zMethod, "stop", n)==0 ){
................................................................................
    QueryServiceStatus(hSvc, &sstat);
    if( sstat.dwCurrentState!=SERVICE_STOPPED ){
      fossil_print("Stopping service '%s'", zSvcName);
      if( sstat.dwCurrentState!=SERVICE_STOP_PENDING ){
        if( !ControlService(hSvc, SERVICE_CONTROL_STOP, &sstat) ){
          winhttp_fatal("stop", zSvcName, win32_get_last_errmsg());
        }
        QueryServiceStatus(hSvc, &sstat);
      }
      while( sstat.dwCurrentState==SERVICE_STOP_PENDING ||
             sstat.dwCurrentState==SERVICE_RUNNING ){
        Sleep(100);
        fossil_print(".");
        QueryServiceStatus(hSvc, &sstat);
      }
      if( sstat.dwCurrentState==SERVICE_STOPPED ){
        fossil_print("\nService '%s' stopped.\n", zSvcName);
      }else{
        winhttp_fatal("stop", zSvcName, win32_get_last_errmsg());
      }
    }else{
      fossil_print("Service '%s' is already stopped.\n", zSvcName);
    }
    CloseServiceHandle(hSvc);
    CloseServiceHandle(hScm);
  }else
  {