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add code to support slapd as NT service

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This commit is contained in:
Gary Williams 1999-06-16 19:15:35 +00:00
parent 2ffc4b19ea
commit 4d13d4071a
2 changed files with 181 additions and 47 deletions
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87
servers/slapd/daemon.c
View File

@ -1,4 +1,5 @@
#include "portable.h"
//#include "portable_err.h"
#include <stdio.h>
@ -22,18 +23,22 @@ int deny_severity = LOG_NOTICE;
/* globals */
int dtblsize;
static int tcps;
#ifdef HAVE_WINSOCK2
// in nt_main.c
extern ldap_pvt_thread_cond_t started_event;
/* forward reference */
void hit_socket();
/* In wsa_err.c */
char *WSAGetLastErrorString();
static ldap_pvt_thread_t hit_tid;
#define WAKE_LISTENER(w) \
do {\
if( w ) {\
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
hit_socket();\
hit_socket(); \
}\
} while(0)
#else
@ -45,9 +50,13 @@ do {\
} while(0)
#endif
#ifndef HAVE_WINSOCK
static
#endif
volatile sig_atomic_t slapd_shutdown = 0;
static int daemon_initialized = 0;
static ldap_pvt_thread_t listener_tid;
static volatile sig_atomic_t slapd_shutdown = 0;
static volatile sig_atomic_t slapd_listener = 0;
void sockinit();
@ -119,17 +128,24 @@ void slapd_clr_write(int s, int wake) {
FD_CLR( (unsigned) s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if( wake ) {
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
}
}
void slapd_set_write(int s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
FD_SET( (unsigned) s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if( wake ) {
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
}
}
void slapd_clr_read(int s, int wake) {
@ -141,6 +157,9 @@ void slapd_clr_read(int s, int wake) {
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if( wake ) {
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
}
}
void slapd_set_read(int s, int wake) {
@ -151,6 +170,10 @@ void slapd_set_read(int s, int wake) {
FD_SET( (unsigned) s, &slap_daemon.sd_readers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
if( wake ) {
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
}
}
static void slapd_close(int s) {
@ -158,6 +181,8 @@ static void slapd_close(int s) {
tcp_close(s);
}
int
set_socket( struct sockaddr_in *addr )
{
@ -252,10 +277,12 @@ slapd_daemon_task(
void *ptr
)
{
int inetd = ((int *)ptr) [0];
int tcps = ((int *)ptr) [1];
struct sockaddr_in *slapd_addr = (struct sockaddr_in*)((int *)ptr)[0];
int inetd;
tcps = ((int *)ptr) [1];
free( ptr );
inetd = ( slapd_addr == NULL);
if ( !daemon_initialized ) sockinit();
slapd_listener=1;
@ -289,6 +316,11 @@ slapd_daemon_task(
slapd_add( 0 );
}
#ifdef HAVE_WINSOCK
if ( started_event != NULL )
ldap_pvt_thread_cond_signal( &started_event );
#endif
// initialization complete. Here comes the loop.
while ( !slapd_shutdown ) {
unsigned int i;
int ns, nfds;
@ -302,7 +334,7 @@ slapd_daemon_task(
#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
struct hostent *hp;
#endif
struct timeval zero;
struct timeval zero;
struct timeval *tvp;
char *client_name;
@ -357,7 +389,11 @@ slapd_daemon_task(
switch(ns = select( nfds, &readfds, &writefds, 0, tvp )) {
case -1: { /* failure - try again */
#ifdef HAVE_WINSOCK
int err = WSAGetLastError();
#else
int err = errno;
#endif
if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
continue;
@ -371,7 +407,8 @@ slapd_daemon_task(
? sys_errlist[err] : "unknown",
0 );
slapd_shutdown = -1;
slapd_shutdown = -1;
}
}
continue;
@ -481,7 +518,6 @@ slapd_daemon_task(
}
#endif /* HAVE_TCPD */
if( (id = connection_init(s, client_name, client_addr)) < 0 ) {
Debug( LDAP_DEBUG_ANY,
"daemon: connection_init(%d, %s, %s) failed.\n",
@ -534,7 +570,7 @@ slapd_daemon_task(
for ( i = 0; i < nfds; i++ )
#endif
{
int wd, active;
int wd;
#ifdef HAVE_WINSOCK
wd = writefds.fd_array[i];
@ -548,7 +584,6 @@ slapd_daemon_task(
if ( wd == tcps ) {
continue;
}
Debug( LDAP_DEBUG_CONNS,
"daemon: write active on %d\n",
wd, 0, 0 );
@ -572,7 +607,7 @@ slapd_daemon_task(
for ( i = 0; i < nfds; i++ )
#endif
{
int rd, active;
int rd;
#ifdef HAVE_WINSOCK
rd = readfds.fd_array[i];
@ -590,7 +625,6 @@ slapd_daemon_task(
Debug ( LDAP_DEBUG_CONNS,
"daemon: read activity on %d\n", rd, 0, 0 );
/*
* NOTE: it is possible that the connection was closed
* and that the stream is now inactive.
@ -607,13 +641,13 @@ slapd_daemon_task(
if( slapd_shutdown > 0 ) {
Debug( LDAP_DEBUG_TRACE,
"daemon: shutdown requested (%d) and initiated.\n",
(int) slapd_shutdown, 0, 0 );
"daemon: shutdown requested and initiated.\n",
0, 0, 0 );
} else if ( slapd_shutdown < 0 ) {
Debug( LDAP_DEBUG_TRACE,
"daemon: abnormal condition (%d), shutdown initiated.\n",
(int) slapd_shutdown, 0, 0 );
"daemon: abnormal condition, shutdown initiated.\n",
0, 0, 0 );
} else {
Debug( LDAP_DEBUG_TRACE,
"daemon: no active streams, shutdown initiated.\n",
@ -624,9 +658,6 @@ slapd_daemon_task(
slapd_close( tcps );
}
/* we only implement "quick" shutdown */
connections_shutdown();
ldap_pvt_thread_mutex_lock( &active_threads_mutex );
Debug( LDAP_DEBUG_ANY,
"slapd shutdown: waiting for %d threads to terminate\n",
@ -636,10 +667,10 @@ slapd_daemon_task(
}
ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
slapd_listener = 0;
return NULL;
}
int slapd_daemon( int inetd, int tcps )
{
int rc;
@ -717,25 +748,27 @@ void sockinit()
daemon_initialized = 1;
} /* The WinSock DLL is acceptable. Proceed. */
void hit_socket( void )
void hit_socket()
{
int s, on = 1;
extern struct sockaddr_in bind_addr;
/* throw something at the socket to terminate the select() in the daemon thread. */
if (( s = socket( AF_INET, SOCK_STREAM, 0 )) == INVALID_SOCKET )
Debug( LDAP_DEBUG_TRACE,
Debug( LDAP_DEBUG_ANY,
"slap_set_shutdown: socket failed\n\tWSAGetLastError=%d (%s)\n",
WSAGetLastError(), WSAGetLastErrorString(), 0 );
if ( ioctlsocket( s, FIONBIO, &on ) == -1 )
Debug( LDAP_DEBUG_TRACE,
Debug( LDAP_DEBUG_ANY,
"slap_set_shutdown:FIONBIO ioctl on %d faled\n\tWSAGetLastError=%d (%s)\n",
s, WSAGetLastError(), WSAGetLastError() );
bind_addr.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
if ( connect( s, (struct sockaddr *)&bind_addr, sizeof( struct sockaddr_in )) == SOCKET_ERROR ) {
Debug( LDAP_DEBUG_ANY,
"hit_socket: error on connect: %d\n", WSAGetLastError(), 0 );
/* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
}
@ -767,7 +800,11 @@ slap_set_shutdown( int sig )
ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
}
#else
hit_socket();
Debug( LDAP_DEBUG_TRACE, "Shutdown %d ordered", sig, 0 );
// trying to "hit" the socket seems to always get a
// EWOULDBLOCK error, so just close the listen socket to
// break out of the select since we're shutting down anyway
tcp_close( tcps );
#endif
/* reinstall self */
(void) SIGNAL( sig, slap_set_shutdown );

141
servers/slapd/main.c
View File

@ -13,12 +13,44 @@
#include "ldapconfig.h"
#include "slap.h"
#ifndef HAVE_WINSOCK
#include "lutil.h" /* Get lutil_detach() */
#endif
#ifdef LDAP_SIGCHLD
static RETSIGTYPE wait4child( int sig );
#endif
#ifdef HAVE_WINSOCK
#define SERVICE_NAME "OpenLDAP"
struct sockaddr_in bind_addr;
// in nt_main.c
extern SERVICE_STATUS SLAPDServiceStatus;
extern SERVICE_STATUS_HANDLE hSLAPDServiceStatus;
extern ldap_pvt_thread_cond_t started_event, stopped_event;
extern int is_NT_Service;
void LogSlapdStartedEvent( char *svc, int slap_debug, char *configfile, short port, int udp );
void LogSlapdStoppedEvent( char *svc );
void CommenceStartupProcessing( LPCTSTR serviceName,
void(*stopper)(int));
void ReportSlapdShutdownComplete( void );
void *getRegParam( char *svc, char *value );
#define SERVICE_EXIT( e, n ) \
if ( is_NT_Service ) \
{ \
SLAPDServiceStatus.dwWin32ExitCode = e; \
SLAPDServiceStatus.dwServiceSpecificExitCode = n; \
}
#else
#define SERVICE_EXIT( e, n )
#endif
short port = LDAP_PORT;
/*
* when more than one slapd is running on one machine, each one might have
* it's own LOCAL for syslogging and must have its own pid/args files
@ -62,7 +94,7 @@ static void
usage( char *name )
{
fprintf( stderr, "usage: %s [-d ?|debuglevel] [-f configfile] [-p portnumber] [-s sysloglevel]", name );
fprintf( stderr, "\n [-a bind-address] [-i]" );
fprintf( stderr, "\n [-a bind-address] [-i] [-u]" );
#if LDAP_CONNECTIONLESS
fprintf( stderr, " [-c]" );
#endif
@ -80,39 +112,73 @@ usage( char *name )
time_t starttime;
struct sockaddr_in bind_addr;
int tcps;
int
main( int argc, char **argv )
#ifdef HAVE_WINSOCK
void WINAPI ServiceMain( DWORD argc, LPTSTR *argv )
{
#else
void main( int argc, char **argv )
{
#endif
int i;
int inetd = 0;
int rc;
int tcps;
#ifdef LDAP_CONNECTIONLESS
struct sockaddr_in *slapd_addr;
int udp;
#endif
#ifdef LOG_LOCAL4
int syslogUser = DEFAULT_SYSLOG_USER;
#endif
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
char *username = NULL, *groupname = NULL;
#ifdef HAVE_WINSOCK
char *configfile = ".\\slapd.conf";
#else
char *configfile = SLAPD_DEFAULT_CONFIGFILE;
#endif
char *configfile;
char *serverName;
int serverMode = SLAP_SERVER_MODE;
configfile = SLAPD_DEFAULT_CONFIGFILE;
(void) memset( (void*) &bind_addr, '\0', sizeof(bind_addr));
bind_addr.sin_family = AF_INET;
bind_addr.sin_addr.s_addr = htonl(INADDR_ANY);
bind_addr.sin_port = htons(LDAP_PORT);
bind_addr.sin_port = htons(port);
g_argc = argc;
g_argv = argv;
#ifdef HAVE_WINSOCK
//if ( is_NT_Service )
{
int *newPort;
int *newDebugLevel;
char *newConfigFile;
ldap_debug = 0xffff;
if ( is_NT_Service ) CommenceStartupProcessing( SERVICE_NAME, slap_set_shutdown );
newPort = (int*)getRegParam( NULL, "Port" );
if ( newPort != NULL )
{
port = *newPort;
bind_addr.sin_port = htons(port);
Debug ( LDAP_DEBUG_ANY, "new port from registry is: %d\n", port, 0, 0 );
}
newDebugLevel = (int*)getRegParam( NULL, "DebugLevel" );
if ( newDebugLevel != NULL )
{
slap_debug = *newDebugLevel;
Debug( LDAP_DEBUG_ANY, "new debug level from registry is: %d\n", slap_debug, 0, 0 );
}
newConfigFile = (char*)getRegParam( NULL, "ConfigFile" );
if ( newConfigFile != NULL )
{
configfile = newConfigFile;
Debug ( LDAP_DEBUG_ANY, "new config file from registry is: %s\n", configfile, 0, 0 );
}
}
#endif
while ( (i = getopt( argc, argv,
"d:f:ia:p:s:"
"d:f:ia:p:s:u"
#ifdef LOG_LOCAL4
"l:"
#endif
@ -189,7 +255,7 @@ main( int argc, char **argv )
break;
case 'p': { /* port on which to listen */
short port = (short)atoi( optarg );
port = (short)atoi( optarg );
if(! port ) {
fprintf(stderr, "-p %s must be numeric\n", optarg);
} else {
@ -234,7 +300,9 @@ main( int argc, char **argv )
default:
usage( argv[0] );
exit( 1 );
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 15 );
goto stop;
}
}
@ -256,8 +324,6 @@ main( int argc, char **argv )
openlog( serverName, OPENLOG_OPTIONS );
#endif
tcps = set_socket( inetd ? NULL : &bind_addr );
#if defined(HAVE_SETUID) && defined(HAVE_SETGID)
if ( username != NULL || groupname != NULL )
slap_init_user( username, groupname );
@ -265,14 +331,19 @@ main( int argc, char **argv )
if ( slap_init( serverMode, serverName ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 18 );
goto destroy;
}
if ( read_config( configfile ) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 19 );
goto destroy;
}
tcps = set_socket( inetd ? NULL : &bind_addr );
(void) SIGNAL( LDAP_SIGUSR1, slap_do_nothing );
(void) SIGNAL( LDAP_SIGUSR2, slap_set_shutdown );
#ifdef SIGPIPE
@ -286,8 +357,12 @@ main( int argc, char **argv )
#ifdef LDAP_SIGCHLD
(void) SIGNAL( LDAP_SIGCHLD, wait4child );
#endif
#ifdef HAVE_WINSOCK
// SIGBREAK is generated when Ctrl-Break is pressed.
(void) SIGNAL( SIGBREAK, slap_set_shutdown );
#endif
#ifndef WIN32
#ifndef HAVE_WINSOCK
if(!inetd) {
#ifdef LDAP_DEBUG
lutil_detach( ldap_debug, 0 );
@ -295,16 +370,19 @@ main( int argc, char **argv )
lutil_detach( 0, 0 );
#endif
}
#endif /* WIN32 */
#endif /* HAVE_WINSOC */
if ( slap_startup(-1) != 0 ) {
rc = 1;
SERVICE_EXIT( ERROR_SERVICE_SPECIFIC_ERROR, 20 );
goto shutdown;
}
if(!inetd) {
FILE *fp;
slapd_addr = &bind_addr;
Debug( LDAP_DEBUG_ANY, "slapd starting\n", 0, 0, 0 );
if (( slapd_pid_file != NULL ) &&
@ -323,11 +401,23 @@ main( int argc, char **argv )
fprintf( fp, "\n" );
fclose( fp );
}
} else {
slapd_addr = NULL;
}
time( &starttime );
#ifdef HAVE_WINSOCK
LogSlapdStartedEvent( SERVICE_NAME, slap_debug, configfile, port, udp );
#endif
rc = slapd_daemon( slapd_addr, tcps );
#ifdef HAVE_WINSOCK
// Throw away the event that we used during the startup process.
if ( is_NT_Service )
ldap_pvt_thread_cond_destroy( &started_event );
#endif
rc = slapd_daemon( inetd, tcps );
shutdown:
/* remember an error during shutdown */
@ -336,11 +426,18 @@ destroy:
/* remember an error during destroy */
rc |= slap_destroy();
stop:
#ifdef HAVE_WINSOCK
LogSlapdStoppedEvent( SERVICE_NAME );
#endif
Debug( LDAP_DEBUG_ANY, "slapd stopped.\n", 0, 0, 0 );
#ifdef HAVE_WINSOCK
ReportSlapdShutdownComplete();
#endif
closelog();
closelog();
return rc;
return;
}