+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
+
#include "portable.h"
#include <stdio.h>
#include <ac/time.h>
#include <ac/unistd.h>
-#include "ldap_defaults.h"
+#include "ldap_pvt.h"
+#include "lutil.h"
#include "slap.h"
#ifdef HAVE_TCPD
int deny_severity = LOG_NOTICE;
#endif /* TCP Wrappers */
+#ifdef LDAP_PF_LOCAL
+#include <sys/stat.h>
+#endif /* LDAP_PF_LOCAL */
+
/* globals */
+time_t starttime;
ber_socket_t dtblsize;
+
+#ifdef LDAP_PF_LOCAL
+typedef union slap_sockaddr {
+ struct sockaddr sa_addr;
+ struct sockaddr_in sa_in_addr;
+ struct sockaddr_un sa_un_addr;
+} Sockaddr;
+#endif /* LDAP_PF_LOCAL */
+
+typedef struct slap_listener {
+ char* sl_url;
+ char* sl_name;
#ifdef HAVE_TLS
-#define N_LISTENERS 2
-#else
-#define N_LISTENERS 1
+ int sl_is_tls;
#endif
-struct listener_rec {
- ber_socket_t tcps;
- struct sockaddr_in *addr;
- int use_tls;
-} listeners[N_LISTENERS];
+ ber_socket_t sl_sd;
+#ifdef LDAP_PF_LOCAL
+ Sockaddr sl_sa;
+#define sl_addr sl_sa.sa_in_addr
+#else
+ struct sockaddr_in sl_addr;
+#endif /* LDAP_PF_LOCAL */
+} Listener;
-#ifdef HAVE_WINSOCK2
-/* in nt_main.c */
-extern ldap_pvt_thread_cond_t started_event;
+Listener **slap_listeners = NULL;
-/* forward reference */
-void hit_socket();
-/* In wsa_err.c */
-char *WSAGetLastErrorString();
-static ldap_pvt_thread_t hit_tid;
+static ber_socket_t wake_sds[2];
+#ifdef NO_THREADS
+static int waking;
#define WAKE_LISTENER(w) \
-do {\
- if( w ) {\
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
- hit_socket(); \
- }\
-} while(0)
+((w && !waking) ? tcp_write( wake_sds[1], "0", 1 ), waking=1 : 0)
#else
#define WAKE_LISTENER(w) \
-do {\
- if( w ) {\
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );\
- }\
-} while(0)
+do { if (w) tcp_write( wake_sds[1], "0", 1 ); } while(0)
+#endif
+
+#ifdef HAVE_NT_SERVICE_MANAGER
+/* in nt_main.c */
+extern ldap_pvt_thread_cond_t started_event;
+extern int is_NT_Service;
#endif
#ifndef HAVE_WINSOCK
#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_listener = 0;
-void sockinit();
-struct slap_daemon {
+static struct slap_daemon {
ldap_pvt_thread_mutex_t sd_mutex;
int sd_nactives;
*/
void slapd_remove(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n",
(long) s,
FD_CLR( s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
+ WAKE_LISTENER(wake);
}
void slapd_clr_write(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
FD_CLR( s, &slap_daemon.sd_writers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_set_write(ber_socket_t 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 );
+ if (!FD_ISSET(s, &slap_daemon.sd_writers))
+ 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 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_clr_read(ber_socket_t s, int wake) {
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
- WAKE_LISTENER(wake);
assert( FD_ISSET( s, &slap_daemon.sd_actives) );
FD_CLR( s, &slap_daemon.sd_readers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
void slapd_set_read(ber_socket_t 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( s, &slap_daemon.sd_readers );
+ if (!FD_ISSET(s, &slap_daemon.sd_readers))
+ FD_SET( s, &slap_daemon.sd_readers );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
-
- if( wake ) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
+ WAKE_LISTENER(wake);
}
static void slapd_close(ber_socket_t s) {
}
-
-int
-set_socket( struct sockaddr_in *addr )
+static Listener * open_listener( const char* url )
{
- ber_socket_t tcps = AC_SOCKET_INVALID;
+ int tmp, rc;
+ Listener l;
+ Listener *li;
+ LDAPURLDesc *lud;
+ char *s;
+ int port;
- if ( !daemon_initialized ) sockinit();
+ rc = ldap_url_parse( url, &lud );
-#ifdef HAVE_SYSCONF
- dtblsize = sysconf( _SC_OPEN_MAX );
-#elif HAVE_GETDTABLESIZE
- dtblsize = getdtablesize();
-#else
- dtblsize = FD_SETSIZE;
-#endif
+ if( rc != LDAP_URL_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listen URL \"%s\" parse error=%d\n",
+ url, rc, 0 );
+ return NULL;
+ }
-#ifdef FD_SETSIZE
- if(dtblsize > FD_SETSIZE) {
- dtblsize = FD_SETSIZE;
+#ifndef HAVE_TLS
+ if( lud->lud_properties & LDAP_URL_USE_SSL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: TLS not supported (%s)\n",
+ url, 0, 0 );
+ ldap_free_urldesc( lud );
+ return NULL;
}
-#endif /* !FD_SETSIZE */
- if( addr != NULL ) {
- int tmp;
+ if(! lud->lud_port ) {
+ lud->lud_port = LDAP_PORT;
+ }
- if ( (tcps = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID ) {
-#ifndef HAVE_WINSOCK
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "daemon: socket() failed errno %d (%s)\n", err,
- err > -1 && err < sys_nerr ? sys_errlist[err] :
- "unknown", 0 );
#else
- Debug( LDAP_DEBUG_ANY,
- "daemon: socket() failed errno %d (%s)\n",
- WSAGetLastError(),
- WSAGetLastErrorString(), 0 );
+ l.sl_is_tls = (lud->lud_properties & LDAP_URL_USE_SSL);
+
+ if(! lud->lud_port ) {
+ lud->lud_port = (lud->lud_properties & LDAP_URL_USE_SSL) ? LDAPS_PORT : LDAP_PORT;
+ }
#endif
- return( -1 );
+
+#ifdef LDAP_PF_LOCAL
+ if (lud->lud_protocol == LDAP_PROTO_LOCAL) {
+ port = 0;
+ (void) memset( (void *)&l.sl_sa.sa_un_addr, '\0', sizeof(l.sl_sa.sa_un_addr) );
+
+ l.sl_sa.sa_un_addr.sun_family = AF_UNIX;
+
+ /* hack: overload the host to be the path */
+ if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
+ strcpy( l.sl_sa.sa_un_addr.sun_path, "/tmp/.ldap-sock" );
+ } else {
+ if ( strlen(lud->lud_host) > (sizeof(l.sl_sa.sa_un_addr.sun_path) - 1) ) {
+ Debug( LDAP_DEBUG_ANY, "domain socket path (%s) too long in URL: %s",
+ lud->lud_host, url, 0);
+ ldap_free_urldesc( lud );
+ return NULL;
+ }
+ strcpy( l.sl_sa.sa_un_addr.sun_path, lud->lud_host );
}
+ unlink( l.sl_sa.sa_un_addr.sun_path );
+#if 0
+ /* I don't think we need to set this. */
+ l.sl_sa.sa_un_addr.sun_len = sizeof( l.sl_sa.sa_un_addr.sun_len ) +
+ sizeof( l.sl_sa.sa_un_addr.sun_family ) +
+ strlen( l.sl_sa.sa_un_addr.sun_path ) + 1;
+#endif
+ } else {
+#endif /* LDAP_PF_LOCAL */
-#ifndef HAVE_WINSOCK
- if ( tcps >= dtblsize ) {
- Debug( LDAP_DEBUG_ANY,
- "daemon: listener descriptor %ld is too great %ld\n",
- (long) tcps, (long) dtblsize, 0 );
- return( -1);
+ port = lud->lud_port;
+
+ (void) memset( (void*) &l.sl_addr, '\0', sizeof(l.sl_addr) );
+
+ l.sl_addr.sin_family = AF_INET;
+ l.sl_addr.sin_port = htons( (unsigned short) lud->lud_port );
+
+ if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
+ || strcmp(lud->lud_host, "*") == 0 )
+ {
+ l.sl_addr.sin_addr.s_addr = htonl(INADDR_ANY);
+
+ } else {
+ /* host or address was specified */
+ if( !inet_aton( lud->lud_host, &l.sl_addr.sin_addr ) ) {
+ struct hostent *he = gethostbyname( lud->lud_host );
+ if( he == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "invalid host (%s) in URL: %s",
+ lud->lud_host, url, 0);
+ ldap_free_urldesc( lud );
+ return NULL;
+ }
+
+ memcpy( &l.sl_addr.sin_addr, he->h_addr,
+ sizeof( l.sl_addr.sin_addr ) );
}
+ }
+#ifdef LDAP_PF_LOCAL
+ }
+#endif /* LDAP_PF_LOCAL */
+
+ ldap_free_urldesc( lud );
+
+#ifdef LDAP_PF_LOCAL
+ l.sl_sd = socket( l.sl_sa.sa_addr.sa_family, SOCK_STREAM, 0 );
+ if ( l.sl_sd == AC_SOCKET_INVALID ) {
+#else
+ if ( (l.sl_sd = socket( AF_INET, SOCK_STREAM, 0 )) == AC_SOCKET_INVALID ) {
+#endif /* LDAP_PF_LOCAL */
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: socket() failed errno=%d (%s)\n", err,
+ sock_errstr(err), 0 );
+ return NULL;
+ }
+
+#ifndef HAVE_WINSOCK
+ if ( l.sl_sd >= dtblsize ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: listener descriptor %ld is too great %ld\n",
+ (long) l.sl_sd, (long) dtblsize, 0 );
+ tcp_close( l.sl_sd );
+ return NULL;
+ }
#endif
+#ifdef LDAP_PF_LOCAL
+ /* for IP sockets only */
+ if ( l.sl_sa.sa_addr.sa_family == AF_INET ) {
+#endif /* LDAP_PF_LOCAL */
+
#ifdef SO_REUSEADDR
- tmp = 1;
- if ( setsockopt( tcps, SOL_SOCKET, SO_REUSEADDR,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt() failed errno %d (%s)\n",
- (long) tcps, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- }
+ /* enable address reuse */
+ tmp = 1;
+ rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ }
#endif
#ifdef SO_KEEPALIVE
- tmp = 1;
- if ( setsockopt( tcps, SOL_SOCKET, SO_KEEPALIVE,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(KEEPALIVE) failed errno %d (%s)\n",
- (long) tcps, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- }
+ /* enable keep alives */
+ tmp = 1;
+ rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
+ (char *) &tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(SO_KEEPALIVE) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ }
+#endif
+#ifdef TCP_NODELAY
+ /* enable no delay */
+ tmp = 1;
+ rc = setsockopt( l.sl_sd, IPPROTO_TCP, TCP_NODELAY,
+ (char *)&tmp, sizeof(tmp) );
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "slapd(%ld): setsockopt(TCP_NODELAY) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ }
#endif
+#ifdef LDAP_PF_LOCAL
+ /* close conditional */
+ }
- if ( bind( tcps, (struct sockaddr *) addr, sizeof(*addr) ) == -1 ) {
- int err = errno;
- Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno %d (%s)\n",
- (long) tcps, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- return -1;
+ switch ( l.sl_sa.sa_addr.sa_family ) {
+ case AF_UNIX:
+ rc = bind( l.sl_sd, (struct sockaddr *)&l.sl_sa,
+ sizeof(l.sl_sa.sa_un_addr) );
+ break;
+ case AF_INET:
+ rc = bind( l.sl_sd, (struct sockaddr *)&l.sl_sa,
+ sizeof(l.sl_sa.sa_in_addr) );
+ break;
+ default:
+ rc = AC_SOCKET_ERROR;
+ errno = EINVAL;
+ break;
+ }
+#else
+ rc = bind( l.sl_sd, (struct sockaddr *) &l.sl_addr, sizeof(l.sl_addr) );
+#endif /* LDAP_PF_LOCAL */
+ if ( rc == AC_SOCKET_ERROR ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ tcp_close( l.sl_sd );
+ return NULL;
+ }
+#ifdef LDAP_PF_LOCAL
+ if ( l.sl_sa.sa_addr.sa_family == AF_UNIX ) {
+ if ( chmod( l.sl_sa.sa_un_addr.sun_path, S_IRWXU ) < 0 ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)",
+ (long) l.sl_sd, err, sock_errstr(err) );
+ tcp_close( l.sl_sd );
+ return NULL;
}
}
+#endif /* LDAP_PF_LOACL */
+ l.sl_url = ch_strdup( url );
+#ifdef LDAP_PF_LOCAL
+ switch ( l.sl_sa.sa_addr.sa_family ) {
+ case AF_UNIX:
+ l.sl_name = ch_malloc( strlen(l.sl_sa.sa_un_addr.sun_path) + sizeof("PATH=") );
+ sprintf( l.sl_name, "PATH=%s", l.sl_sa.sa_un_addr.sun_path );
+ break;
+ case AF_INET:
+ l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65336") );
+ s = inet_ntoa( l.sl_addr.sin_addr );
+ sprintf( l.sl_name, "IP=%s:%d",
+ s != NULL ? s : "unknown" , port );
+ break;
+ default:
+ l.sl_name = ch_strdup( "UNKNOWN" );
+ break;
+ }
+#else
+ l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65336") );
+ s = inet_ntoa( l.sl_addr.sin_addr );
+ sprintf( l.sl_name, "IP=%s:%d",
+ s != NULL ? s : "unknown" , port );
+#endif /* LDAP_PF_LOCAL */
- return tcps;
+ li = ch_malloc( sizeof( Listener ) );
+ *li = l;
+
+ Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n",
+ l.sl_url, 0, 0 );
+
+ return li;
}
-static void *
-slapd_daemon_task(
- void *ptr
-)
+static int sockinit(void);
+static int sockdestroy(void);
+
+int slapd_daemon_init( const char *urls )
{
- int inetd;
- struct slapd_args *args = (struct slapd_args *) ptr;
- int l;
+ int i, rc;
+ char **u;
- listeners[0].tcps = args->tcps;
- listeners[0].addr = args->addr;
- listeners[0].use_tls = 0;
-#ifdef HAVE_TLS
- listeners[1].tcps = args->tls_tcps;
- listeners[1].addr = args->tls_addr;
- listeners[1].use_tls = 1;
+ Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
+ urls ? urls : "<null>", 0, 0 );
+
+ if( (rc = sockinit()) != 0 ) {
+ return rc;
+ }
+
+#ifdef HAVE_SYSCONF
+ dtblsize = sysconf( _SC_OPEN_MAX );
+#elif HAVE_GETDTABLESIZE
+ dtblsize = getdtablesize();
+#else
+ dtblsize = FD_SETSIZE;
#endif
- inetd = ( listeners[0].addr == NULL);
- if ( !daemon_initialized ) sockinit();
+#ifdef FD_SETSIZE
+ if(dtblsize > FD_SETSIZE) {
+ dtblsize = FD_SETSIZE;
+ }
+#endif /* !FD_SETSIZE */
- slapd_listener=1;
+ /* open a pipe (or something equivalent connected to itself).
+ * we write a byte on this fd whenever we catch a signal. The main
+ * loop will be select'ing on this socket, and will wake up when
+ * this byte arrives.
+ */
+ if( (rc = lutil_pair( wake_sds )) < 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 );
+ return rc;
+ }
- ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
FD_ZERO( &slap_daemon.sd_readers );
FD_ZERO( &slap_daemon.sd_writers );
- if( !inetd ) {
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( listeners[l].tcps < 0 )
- continue;
- if ( listen( listeners[l].tcps, 5 ) == -1 ) {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "daemon: listen(%ld, 5) failed errno %d (%s)\n",
- (long) listeners[l].tcps, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- return( (void*)-1 );
- }
+ if( urls == NULL ) {
+ urls = "ldap:///";
+ }
+
+ u = str2charray( urls, " " );
+
+ if( u == NULL || u[0] == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n",
+ urls, 0, 0 );
+
+ return -1;
+ }
+
+ for( i=0; u[i] != NULL; i++ ) {
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n",
+ u[i], 0, 0 );
+ }
- slapd_add( listeners[l].tcps );
+ if( i == 0 ) {
+ Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
+ urls, 0, 0 );
+ charray_free( u );
+ return -1;
+ }
+
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n",
+ i, 0, 0 );
+
+ slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
+
+ for(i = 0; u[i] != NULL; i++ ) {
+ slap_listeners[i] = open_listener( u[i] );
+
+ if( slap_listeners[i] == NULL ) {
+ charray_free( u );
+ return -1;
}
+ }
+ slap_listeners[i] = NULL;
- } else {
- if( connection_init( (ber_socket_t) 0, NULL, NULL, 0 ) ) {
+ Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n",
+ i, 0, 0 );
+
+ charray_free( u );
+ ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex );
+ return !i;
+}
+
+
+int
+slapd_daemon_destroy(void)
+{
+ connections_destroy();
+ tcp_close( wake_sds[1] );
+ tcp_close( wake_sds[0] );
+ sockdestroy();
+ return 0;
+}
+
+
+static void *
+slapd_daemon_task(
+ void *ptr
+)
+{
+ int l;
+ time_t last_idle_check = slap_get_time();
+ time( &starttime );
+
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
+ continue;
+
+ if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) {
+ int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
- "connection_init(%d) failed.\n",
- 0, 0, 0 );
+ "daemon: listen(%s, 5) failed errno=%d (%s)\n",
+ slap_listeners[l]->sl_url, err,
+ sock_errstr(err) );
return( (void*)-1 );
}
- slapd_add( 0 );
+ slapd_add( slap_listeners[l]->sl_sd );
}
-#ifdef HAVE_WINSOCK
- if ( started_event != NULL )
+#ifdef HAVE_NT_SERVICE_MANAGER
+ if ( started_event != NULL ) {
ldap_pvt_thread_cond_signal( &started_event );
+ }
#endif
/* initialization complete. Here comes the loop. */
int ebadf = 0;
#define SLAPD_IDLE_CHECK_LIMIT 4
- time_t last_idle_check = slap_get_time();
- time_t now;
+ time_t now = slap_get_time();
fd_set readfds;
fd_set writefds;
-
+#ifdef LDAP_PF_LOCAL
+ Sockaddr from;
+/* minimize impact, undefine later. */
+#define sin_addr sa_in_addr.sin_addr
+#define sin_port sa_in_addr.sin_port
+#else
struct sockaddr_in from;
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
+#endif /* LDAP_PF_LOCAL */
+#if defined(SLAPD_RLOOKUPS)
struct hostent *hp;
#endif
struct timeval zero;
struct timeval *tvp;
- char *client_name;
- char *client_addr;
-
if( global_idletimeout > 0 && difftime(
last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT,
now ) < 0 )
#ifdef FD_SET_MANUAL_COPY
for( s = 0; s < nfds; s++ ) {
- if(FD_ISSET( &slap_sd_writers, s )) {
- FD_SET( &writefds, s );
+ if(FD_ISSET( &slap_sd_readers, s )) {
+ FD_SET( s, &readfds );
}
if(FD_ISSET( &slap_sd_writers, s )) {
- FD_SET( &writefds, s );
+ FD_SET( s, &writefds );
}
}
#else
memcpy( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
memcpy( &writefds, &slap_daemon.sd_writers, sizeof(fd_set) );
#endif
+ assert(!FD_ISSET(wake_sds[0], &readfds));
+ FD_SET( wake_sds[0], &readfds );
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( listeners[l].tcps < 0 )
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
- FD_SET( (unsigned) listeners[l].tcps, &readfds );
+ if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
+ FD_SET( slap_listeners[l]->sl_sd, &readfds );
}
#ifndef HAVE_WINSOCK
tvp = at ? &zero : NULL;
#endif
- for ( i = 0; i < N_LISTENERS; i++ ) {
- if ( listeners[l].tcps < 0 )
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
+
Debug( LDAP_DEBUG_CONNS,
- "daemon: select: tcps=%d active_threads=%d tvp=%s\n",
- listeners[i].tcps, at,
- tvp == NULL ? "NULL" : "zero" );
+ "daemon: select: listen=%d active_threads=%d tvp=%s\n",
+ slap_listeners[l]->sl_sd, at,
+ tvp == NULL ? "NULL" : "zero" );
}
switch(ns = select( nfds, &readfds,
NULL, tvp ))
{
case -1: { /* failure - try again */
+ int err = sock_errno();
+
+ if( err == EBADF
#ifdef HAVE_WINSOCK
- int err = WSAGetLastError();
-#else
- int err = errno;
+ || err == WSAENOTSOCK /* you'd think this would be EBADF */
#endif
-
- if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
- continue;
+ ) {
+ if (++ebadf < SLAPD_EBADF_LIMIT)
+ continue;
}
if( err != EINTR ) {
Debug( LDAP_DEBUG_CONNS,
"daemon: select failed (%d): %s\n",
- err,
- err >= 0 && err < sys_nerr
- ? sys_errlist[err] : "unknown",
- 0 );
+ err, sock_errstr(err), 0 );
-
- slapd_shutdown = -1;
+ slapd_shutdown = -1;
}
}
continue;
/* FALL THRU */
}
- for ( l = 0; l < N_LISTENERS; l++ ) {
+ if( FD_ISSET( wake_sds[0], &readfds ) ) {
+ char c[BUFSIZ];
+ tcp_read( wake_sds[0], c, sizeof(c) );
+#ifdef NO_THREADS
+ waking = 0;
+#endif
+ continue;
+ }
+
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
ber_int_t s;
- int len = sizeof(from);
+ socklen_t len = sizeof(from);
long id;
- if ( listeners[l].tcps < 0 )
+ char *dnsname;
+ char *peeraddr;
+#ifdef LDAP_PF_LOCAL
+ char peername[MAXPATHLEN + sizeof("PATH=")];
+#else
+ char peername[sizeof("IP=255.255.255.255:65336")];
+#endif /* LDAP_PF_LOCAL */
+ if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
- if ( !FD_ISSET( listeners[l].tcps, &readfds ) )
+
+ if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
continue;
- if ( (s = accept( listeners[l].tcps,
+ if ( (s = accept( slap_listeners[l]->sl_sd,
(struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
{
- int err = errno;
+ int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
- "daemon: accept(%ld) failed errno %d (%s)\n", err,
- (long) listeners[l].tcps,
- err >= 0 && err < sys_nerr ?
- sys_errlist[err] : "unknown");
+ "daemon: accept(%ld) failed errno=%d (%s)\n",
+ (long) slap_listeners[l]->sl_sd, err,
+ sock_errstr(err) );
continue;
}
(long) s, 0, 0 );
len = sizeof(from);
- if ( getpeername( s, (struct sockaddr *) &from, &len ) == 0 ) {
- client_addr = inet_ntoa( from.sin_addr );
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
- hp = gethostbyaddr( (char *)
- &(from.sin_addr.s_addr),
- sizeof(from.sin_addr.s_addr), AF_INET );
-
- if(hp) {
- char *p;
- client_name = hp->h_name;
+ if ( getpeername( s, (struct sockaddr *) &from, &len ) != 0 ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: getpeername( %ld ) failed: errno=%d (%s)\n",
+ (long) s, err, sock_errstr(err) );
+ slapd_close(s);
+ continue;
+ }
- /* normalize the domain */
- for ( p = client_name; *p; p++ ) {
- *p = TOLOWER( (unsigned char) *p );
- }
-
- } else {
- client_name = NULL;
- }
-#else
- client_name = NULL;
-#endif
+#ifdef LDAP_PF_LOCAL
+ switch ( from.sa_addr.sa_family ) {
+ case AF_UNIX:
+ sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
+ break;
+ case AF_INET:
+#endif /* LDAP_PF_LOCAL */
+ peeraddr = inet_ntoa( from.sin_addr );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : "unknown",
+ (unsigned) ntohs( from.sin_port ) );
+
+#if defined(SLAPD_RLOOKUPS)
+ hp = gethostbyaddr( (char *)
+ &(from.sin_addr),
+ sizeof(from.sin_addr), AF_INET );
+
+ if(hp) {
+ dnsname = ldap_pvt_str2lower( hp->h_name );
} else {
- client_name = NULL;;
- client_addr = NULL;
+ dnsname = NULL;
}
+#else
+ dnsname = NULL;
+#endif
#ifdef HAVE_TCPD
- if(!hosts_ctl("slapd",
- client_name != NULL ? client_name : STRING_UNKNOWN,
- client_addr != NULL ? client_addr : STRING_UNKNOWN,
- STRING_UNKNOWN))
+ if( !hosts_ctl("slapd",
+ dnsname != NULL ? dnsname : STRING_UNKNOWN,
+ peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
+ STRING_UNKNOWN ))
{
/* DENY ACCESS */
Statslog( LDAP_DEBUG_ANY,
"fd=%ld connection from %s (%s) denied.\n",
(long) s,
- client_name == NULL ? "unknown" : client_name,
- client_addr == NULL ? "unknown" : client_addr,
+ dnsname != NULL ? dnsname : "unknown",
+ peeraddr != NULL ? peeraddr : "unknown",
0, 0 );
slapd_close(s);
continue;
}
#endif /* HAVE_TCPD */
-
- if( (id = connection_init(s, client_name, client_addr,
- listeners[l].use_tls)) < 0 ) {
+#ifdef LDAP_PF_LOCAL
+ break;
+ default:
+ slapd_close(s);
+ continue;
+ }
+#undef sin_addr
+#undef sin_port
+#endif /* LDAP_PF_LOCAL */
+
+ if( (id = connection_init(s,
+ slap_listeners[l]->sl_url,
+ dnsname != NULL ? dnsname : "unknown",
+ peername,
+ slap_listeners[l]->sl_name,
+#ifdef HAVE_TLS
+ slap_listeners[l]->sl_is_tls
+#else
+ 0
+#endif
+ )) < 0 )
+ {
Debug( LDAP_DEBUG_ANY,
"daemon: connection_init(%ld, %s, %s) failed.\n",
(long) s,
- client_name == NULL ? "unknown" : client_name,
- client_addr == NULL ? "unknown" : client_addr);
+ peername,
+ slap_listeners[l]->sl_name );
slapd_close(s);
continue;
}
Statslog( LDAP_DEBUG_STATS,
- "daemon: conn=%d fd=%ld connection from %s (%s) accepted.\n",
+ "daemon: conn=%ld fd=%ld connection from %s (%s) accepted.\n",
id, (long) s,
- client_name == NULL ? "unknown" : client_name,
- client_addr == NULL ? "unknown" : client_addr,
+ peername,
+ slap_listeners[l]->sl_name,
0 );
slapd_add( s );
}
#else
for ( i = 0; i < nfds; i++ ) {
- int a, r, w;
+ int r, w;
int is_listener = 0;
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( i == listeners[l].tcps ) {
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( i == slap_listeners[l]->sl_sd ) {
is_listener = 1;
break;
}
wd = i;
#endif
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( wd == listeners[l].tcps ) {
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( i == slap_listeners[l]->sl_sd ) {
is_listener = 1;
break;
}
rd = i;
#endif
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( rd == listeners[l].tcps ) {
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( rd == slap_listeners[l]->sl_sd ) {
is_listener = 1;
break;
}
0, 0, 0 );
} else if ( slapd_shutdown < 0 ) {
+#ifdef HAVE_NT_SERVICE_MANAGER
+ if (slapd_shutdown == -1)
+ Debug( LDAP_DEBUG_TRACE,
+ "daemon: shutdown initiated by Service Manager.\n",
+ 0, 0, 0);
+ else
+#endif
Debug( LDAP_DEBUG_TRACE,
"daemon: abnormal condition, shutdown initiated.\n",
0, 0, 0 );
0, 0, 0 );
}
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( listeners[l].tcps >= 0 ) {
- slapd_close( listeners[l].tcps );
+ for ( l = 0; slap_listeners[l] != NULL; l++ ) {
+ if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) {
+#ifdef LDAP_PF_LOCAL
+ if ( slap_listeners[l]->sl_sa.sa_addr.sa_family == AF_UNIX ) {
+ unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
+ }
+#endif /* LDAP_PF_LOCAL */
+ slapd_close( slap_listeners[l]->sl_sd );
+ break;
}
}
}
-int slapd_daemon( struct slapd_args *args )
+int slapd_daemon( void )
{
int rc;
- if ( !daemon_initialized ) sockinit();
-
connections_init();
#define SLAPD_LISTENER_THREAD 1
/* listener as a separate THREAD */
rc = ldap_pvt_thread_create( &listener_tid,
- 0, slapd_daemon_task, args );
+ 0, slapd_daemon_task, NULL );
if ( rc != 0 ) {
Debug( LDAP_DEBUG_ANY,
"listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
- goto destory;
+ return rc;
}
/* wait for the listener thread to complete */
#else
/* expermimental code */
listener_tid = pthread_self();
- slapd_daemon_task( args );
+ slapd_daemon_task( NULL );
#endif
- rc = 0;
-
-destory:
- connections_destroy();
-
-#ifdef HAVE_WINSOCK
- WSACleanup( );
-#endif
+ return 0;
- return rc;
}
#ifdef HAVE_WINSOCK2
-void sockinit()
+int sockinit(void)
{
WORD wVersionRequested;
WSADATA wsaData;
if ( err != 0 ) {
/* Tell the user that we couldn't find a usable */
/* WinSock DLL. */
- return;
+ return -1;
}
/* Confirm that the WinSock DLL supports 2.0.*/
{
/* Tell the user that we couldn't find a usable */
/* WinSock DLL. */
- WSACleanup( );
- return;
+ WSACleanup();
+ return -1;
}
- daemon_initialized = 1;
-} /* The WinSock DLL is acceptable. Proceed. */
-void hit_socket()
-{
- ber_socket_t s;
- int 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 )) == AC_SOCKET_INVALID )
- 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_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, 0 );
- /* we can probably expect some error to occur here, mostly WSAEWOULDBLOCK */
- }
+ /* The WinSock DLL is acceptable. Proceed. */
+ return 0;
+}
- tcp_close(s);
+int sockdestroy(void)
+{
+ WSACleanup();
+ return 0;
}
#elif HAVE_WINSOCK
-void sockinit()
-{ WSADATA wsaData;
+static int sockinit(void)
+{
+ WSADATA wsaData;
if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
- return( NULL );
+ return -1;
}
- daemon_initialized = 1;
+ return 0;
+}
+static int sockdestroy(void)
+{
+ WSACleanup();
+ return 0;
}
+
#else
-void sockinit()
+static int sockinit(void)
+{
+ return 0;
+}
+static int sockdestroy(void)
{
- daemon_initialized = 1;
+ return 0;
}
#endif
-void
-slap_set_shutdown( int sig )
+RETSIGTYPE
+slap_sig_shutdown( int sig )
{
- int l;
- slapd_shutdown = sig;
-#ifndef HAVE_WINSOCK
- if(slapd_listener) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
-#else
- Debug( LDAP_DEBUG_TRACE, "Shutdown %d ordered", sig, 0, 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 */
- for ( l = 0; l < N_LISTENERS; l++ ) {
- if ( listeners[l].tcps >= 0 ) {
- tcp_close( listeners[l].tcps );
- }
- }
+ Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0);
+
+ /*
+ * If the NT Service Manager is controlling the server, we don't
+ * want SIGBREAK to kill the server. For some strange reason,
+ * SIGBREAK is generated when a user logs out.
+ */
+
+#if HAVE_NT_SERVICE_MANAGER && SIGBREAK
+ if (is_NT_Service && sig == SIGBREAK)
+ Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n",
+ 0, 0, 0);
+ else
#endif
+ slapd_shutdown = sig;
+
+ WAKE_LISTENER(1);
+
/* reinstall self */
- (void) SIGNAL( sig, slap_set_shutdown );
+ (void) SIGNAL( sig, slap_sig_shutdown );
}
-void
-slap_do_nothing( int sig )
+RETSIGTYPE
+slap_sig_wake( int sig )
{
+ WAKE_LISTENER(1);
+
/* reinstall self */
- (void) SIGNAL( sig, slap_do_nothing );
+ (void) SIGNAL( sig, slap_sig_wake );
}