+/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#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;
+typedef union slap_sockaddr {
+ struct sockaddr sa_addr;
+ struct sockaddr_in sa_in_addr;
+#ifdef LDAP_PF_INET6
+ struct sockaddr_in6 sa_in6_addr;
+#endif
+#ifdef LDAP_PF_LOCAL
+ struct sockaddr_un sa_un_addr;
+#endif
+} Sockaddr;
+
typedef struct slap_listener {
char* sl_url;
char* sl_name;
int sl_is_tls;
#endif
ber_socket_t sl_sd;
- struct sockaddr_in sl_addr;
+ Sockaddr sl_sa;
+#define sl_addr sl_sa.sa_in_addr
} Listener;
Listener **slap_listeners = NULL;
-#ifdef HAVE_WINSOCK2
-/* in nt_main.c */
-extern ldap_pvt_thread_cond_t started_event;
+#define SLAPD_LISTEN 10
-/* forward reference */
-static void hit_socket(void);
-/* 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 ldap_pvt_thread_t listener_tid;
-static volatile sig_atomic_t slapd_listener = 0;
-
static struct slap_daemon {
ldap_pvt_thread_mutex_t sd_mutex;
*/
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) {
tcp_close(s);
}
+static void slap_free_listener_addresses(struct sockaddr **sal)
+{
+ struct sockaddr **sap;
+
+ if (sal == NULL) {
+ return;
+ }
+
+ for (sap = sal; *sap != NULL; sap++) {
+ ch_free(*sap);
+ }
-Listener *
-open_listener(
- const char* url,
- int port,
- int tls_port )
+ ch_free(sal);
+}
+
+/* port = 0 indicates AF_LOCAL */
+static int slap_get_listener_addresses(
+ const char *host,
+ unsigned short port,
+ struct sockaddr ***sal)
+{
+ struct sockaddr **sap;
+#ifdef HAVE_GETADDRINFO
+ struct addrinfo hints, *res, *sai;
+ int n, err;
+
+ memset( &hints, '\0', sizeof(hints) );
+ hints.ai_flags = AI_PASSIVE;
+ hints.ai_socktype = SOCK_STREAM;
+# ifdef LDAP_PF_LOCAL
+ if ( port == 0 ) {
+ hints.ai_family = AF_LOCAL;
+ /* host specifies a service in this case */
+ if (err = getaddrinfo(NULL, host, &hints, &res)) {
+ Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
+ AC_GAI_STRERROR(err), 0, 0);
+ return -1;
+ }
+ } else
+# endif
+ {
+ char serv[7];
+
+ snprintf(serv, sizeof serv, "%d", port);
+ hints.ai_family = AF_UNSPEC;
+ if (err = getaddrinfo(host, serv, &hints, &res)) {
+ Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n",
+ gai_strerror(err), 0, 0);
+ return -1;
+ }
+ }
+
+ sai = res;
+ for (n=2; (sai = sai->ai_next) != NULL; n++) {
+ /* EMPTY */ ;
+ }
+ *sal = ch_malloc(n * sizeof(*sal));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sai = res;
+ sap = *sal;
+ do {
+ switch (sai->ai_family) {
+# ifdef LDAP_PF_LOCAL
+ case AF_LOCAL: {
+ *sap = ch_malloc(sizeof(struct sockaddr_un));
+ if (*sap == NULL) {
+ freeaddrinfo(res);
+ goto errexit;
+ }
+ *(struct sockaddr_un *)*sap =
+ *((struct sockaddr_un *)sai->ai_addr);
+ } break;
+# endif
+# ifdef LDAP_PF_INET6
+ case AF_INET6: {
+ *sap = ch_malloc(sizeof(struct sockaddr_in6));
+ if (*sap == NULL) {
+ freeaddrinfo(res);
+ goto errexit;
+ }
+ *(struct sockaddr_in6 *)*sap =
+ *((struct sockaddr_in6 *)sai->ai_addr);
+ } break;
+# endif
+ case AF_INET: {
+ *sap = ch_malloc(sizeof(struct sockaddr_in));
+ if (*sap == NULL) {
+ freeaddrinfo(res);
+ goto errexit;
+ }
+ *(struct sockaddr_in *)*sap =
+ *((struct sockaddr_in *)sai->ai_addr);
+ } break;
+ default:
+ *sap = NULL;
+ break;
+ }
+ if (*sap != NULL) {
+ (*sap)->sa_family = sai->ai_family;
+ sap++;
+ }
+ } while ((sai = sai->ai_next) != NULL);
+
+ freeaddrinfo(res);
+
+#else
+# ifdef LDAP_PF_LOCAL
+ if ( port == 0 ) {
+ *sal = ch_malloc(2 * sizeof(*sal));
+ if (*sal == NULL) {
+ return -1;
+ }
+ sap = *sal;
+ *sap = ch_malloc(sizeof(struct sockaddr_un));
+ if (*sap == NULL)
+ goto errexit;
+ (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) );
+ (*sap)->sa_family = AF_LOCAL;
+ if ( strlen(host) >
+ (sizeof(((struct sockaddr_un *)*sal)->sun_path) - 1) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: domain socket path (%s) too long in URL",
+ host, 0, 0);
+ goto errexit;
+ }
+ strcpy( ((struct sockaddr_un *)*sap)->sun_path, host );
+ } else
+# endif
+ {
+ struct in_addr in;
+
+ if ( host == NULL ) {
+ in.s_addr = htonl(INADDR_ANY);
+
+ } else if ( !inet_aton( host, &in ) ) {
+ struct hostent *he = gethostbyname( host );
+ if( he == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: invalid host %s", host, 0, 0);
+ return -1;
+ }
+ AC_MEMCPY( &in, he->h_addr, sizeof( in ) );
+ }
+
+ *sal = ch_malloc(2 * sizeof(*sal));
+ if (*sal == NULL) {
+ return -1;
+ }
+
+ sap = *sal;
+ *sap = ch_malloc(sizeof(struct sockaddr_in));
+ if (*sap == NULL) {
+ goto errexit;
+ }
+
+ (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_in) );
+ (*sap)->sa_family = AF_INET;
+ ((struct sockaddr_in *)*sap)->sin_port = htons(port);
+ ((struct sockaddr_in *)*sap)->sin_addr = in;
+ }
+ sap++;
+#endif
+
+ *sap = NULL;
+ return 0;
+
+errexit:
+ slap_free_listener_addresses(*sal);
+ return -1;
+}
+
+static Listener * slap_open_listener(
+ const char* url )
{
int tmp, rc;
Listener l;
Listener *li;
LDAPURLDesc *lud;
- char *s;
+ unsigned short port;
+ int err, addrlen;
+ struct sockaddr **sal, **psal;
rc = ldap_url_parse( url, &lud );
}
#ifndef HAVE_TLS
- if( lud->lud_ldaps ) {
+ if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) {
Debug( LDAP_DEBUG_ANY,
"daemon: TLS not supported (%s)\n",
url, 0, 0 );
}
if(! lud->lud_port ) {
- lud->lud_port = port;
+ lud->lud_port = LDAP_PORT;
}
#else
- l.sl_is_tls = lud->lud_ldaps;
+ l.sl_is_tls = ldap_pvt_url_scheme2tls( lud->lud_scheme );
if(! lud->lud_port ) {
- lud->lud_port = lud->lud_ldaps ? tls_port : port;
+ lud->lud_port = l.sl_is_tls ? LDAPS_PORT : LDAP_PORT;
}
#endif
- 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);
-
+ port = (unsigned short) lud->lud_port;
+
+ if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) {
+#ifdef LDAP_PF_LOCAL
+ if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) {
+ err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal);
+ } else {
+ err = slap_get_listener_addresses(lud->lud_host, 0, &sal);
+ }
+#else
+ Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s",
+ url, 0, 0);
+ ldap_free_urldesc( lud );
+ return NULL;
+#endif
} 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 ) );
+ if( lud->lud_host == NULL || lud->lud_host[0] == '\0'
+ || strcmp(lud->lud_host, "*") == 0 )
+ {
+ err = slap_get_listener_addresses(NULL, port, &sal);
+ } else {
+ err = slap_get_listener_addresses(lud->lud_host, port, &sal);
}
}
ldap_free_urldesc( lud );
-
-
- if ( (l.sl_sd = 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 );
-#endif
+ if ( err ) {
return NULL;
}
+ psal = sal;
+ while ( *sal != NULL ) {
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+#endif
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+#endif
+ break;
+ default:
+ sal++;
+ continue;
+ }
+ l.sl_sd = socket( (*sal)->sa_family, SOCK_STREAM, 0);
+ if ( l.sl_sd == AC_SOCKET_INVALID ) {
+ int err = sock_errno();
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: socket() failed errno=%d (%s)\n", err,
+ sock_errstr(err), 0 );
+ sal++;
+ continue;
+ }
#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;
- }
+ 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 );
+ sal++;
+ continue;
+ }
#endif
-
+#ifdef LDAP_PF_LOCAL
+ if ( (*sal)->sa_family == AF_LOCAL ) {
+ unlink ( ((struct sockaddr_un *)*sal)->sun_path );
+ } else
+#endif
+ {
#ifdef SO_REUSEADDR
- /* enable address reuse */
- tmp = 1;
- if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n",
- (long) l.sl_sd, 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
- /* enable keep alives */
- tmp = 1;
- if ( setsockopt( l.sl_sd, SOL_SOCKET, SO_KEEPALIVE,
- (char *) &tmp, sizeof(tmp) ) == -1 )
- {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(SO_KEEPALIVE) failed errno=%d (%s)\n",
- (long) l.sl_sd, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- }
+ }
+
+ switch( (*sal)->sa_family ) {
+ case AF_INET:
+ addrlen = sizeof(struct sockaddr_in);
+ break;
+#ifdef LDAP_PF_INET6
+ case AF_INET6:
+ addrlen = sizeof(struct sockaddr_in6);
+ break;
#endif
-#ifdef TCP_NODELAY
- /* enable no delay */
- tmp = 1;
- if ( setsockopt( l.sl_sd, IPPROTO_TCP, TCP_NODELAY,
- (char *)&tmp, sizeof(tmp) ) )
- {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "slapd(%ld): setsockopt(TCP_NODELAY) failed errno=%d (%s)\n",
- (long) l.sl_sd, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
- }
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ addrlen = sizeof(struct sockaddr_un);
+ break;
#endif
-
- if ( bind( l.sl_sd, (struct sockaddr *) &l.sl_addr, sizeof(l.sl_addr) ) == -1 ) {
- int err = errno;
+ }
+
+ if (!bind(l.sl_sd, *sal, addrlen))
+ break;
+ err = sock_errno();
Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed errno=%d (%s)\n",
- (long) l.sl_sd, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
+ (long) l.sl_sd, err, sock_errstr(err) );
tcp_close( l.sl_sd );
+ sal++;
+ } /* while ( *sal != NULL ) */
+
+ if ( *sal == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n",
+ (long) l.sl_sd, 0, 0 );
+ slap_free_listener_addresses(psal);
return NULL;
}
- l.sl_url = ch_strdup( url );
+ switch ( (*sal)->sa_family ) {
+#ifdef LDAP_PF_LOCAL
+ case AF_LOCAL: {
+ char *addr = ((struct sockaddr_un *)*sal)->sun_path;
+ if ( chmod( addr, 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 );
+ slap_free_listener_addresses(psal);
+ return NULL;
+ }
+ l.sl_name = ch_malloc( strlen(addr) + sizeof("PATH=") );
+ sprintf( l.sl_name, "PATH=%s", addr );
+ } break;
+#endif /* LDAP_PF_LOCAL */
+
+ case AF_INET: {
+ char *s;
+#ifdef HAVE_GETADDRINFO
+ char addr[INET_ADDRSTRLEN];
+ inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr,
+ addr, sizeof(addr) );
+ s = addr;
+#else
+ s = inet_ntoa( l.sl_addr.sin_addr );
+#endif
+ l.sl_name = ch_malloc( sizeof("IP=255.255.255.255:65535") );
+ sprintf( l.sl_name, "IP=%s:%d",
+ s != NULL ? s : "unknown" , port );
+ } break;
+
+#ifdef LDAP_PF_INET6
+ case AF_INET6: {
+ char addr[INET6_ADDRSTRLEN];
+ inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr,
+ addr, sizeof addr);
+ l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") );
+ sprintf( l.sl_name, "IP=%s %d", addr, port );
+ } break;
+#endif /* LDAP_PF_INET6 */
+
+ default:
+ Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n",
+ (int) (*sal)->sa_family, 0, 0 );
+ break;
+ }
- 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 );
+ slap_free_listener_addresses(psal);
+ l.sl_url = ch_strdup( url );
li = ch_malloc( sizeof( Listener ) );
*li = l;
static int sockinit(void);
static int sockdestroy(void);
-int slapd_daemon_init(char *urls, int port, int tls_port )
+int slapd_daemon_init( const char *urls )
{
int i, rc;
char **u;
-#ifndef HAVE_TLS
- assert( tls_port == 0 );
-#endif
-
- Debug( LDAP_DEBUG_ARGS, "daemon_init: %s (%d/%d)\n",
- urls ? urls : "<null>", port, tls_port );
+ Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n",
+ urls ? urls : "<null>", 0, 0 );
- if( rc = sockinit() ) {
+ if( (rc = sockinit()) != 0 ) {
return rc;
}
}
#endif /* !FD_SETSIZE */
+ /* 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;
+ }
+
FD_ZERO( &slap_daemon.sd_readers );
FD_ZERO( &slap_daemon.sd_writers );
if( i == 0 ) {
Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n",
urls, 0, 0 );
+ charray_free( u );
return -1;
}
slap_listeners = ch_malloc( (i+1)*sizeof(Listener *) );
for(i = 0; u[i] != NULL; i++ ) {
- slap_listeners[i] = open_listener( u[i], port, tls_port );
+ slap_listeners[i] = slap_open_listener( u[i] );
if( slap_listeners[i] == NULL ) {
+ charray_free( u );
return -1;
}
}
slapd_daemon_destroy(void)
{
connections_destroy();
+ tcp_close( wake_sds[1] );
+ tcp_close( wake_sds[0] );
sockdestroy();
return 0;
}
)
{
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 = errno;
+ if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) {
+ int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
"daemon: listen(%s, 5) failed errno=%d (%s)\n",
- (long) slap_listeners[l]->sl_url, err,
- err > -1 && err < sys_nerr
- ? sys_errlist[err] : "unknown" );
-
+ slap_listeners[l]->sl_url, err,
+ sock_errstr(err) );
return( (void*)-1 );
}
slapd_add( slap_listeners[l]->sl_sd );
}
-#ifdef HAVE_WINSOCK
+#ifdef HAVE_NT_SERVICE_MANAGER
if ( started_event != NULL ) {
ldap_pvt_thread_cond_signal( &started_event );
}
int ns;
int at;
ber_socket_t nfds;
-#define SLAPD_EBADF_LIMIT 10
+#define SLAPD_EBADF_LIMIT 16
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;
+ Sockaddr from;
- struct sockaddr_in from;
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
+#if defined(SLAPD_RLOOKUPS)
struct hostent *hp;
#endif
struct timeval zero;
#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) );
+ AC_MEMCPY( &readfds, &slap_daemon.sd_readers, sizeof(fd_set) );
+ AC_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; slap_listeners[l] != NULL; l++ ) {
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
- FD_SET( slap_listeners[l]->sl_sd, &readfds );
+ if (!FD_ISSET(slap_listeners[l]->sl_sd, &readfds))
+ FD_SET( slap_listeners[l]->sl_sd, &readfds );
}
#ifndef HAVE_WINSOCK
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
- at = active_threads;
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
+ at = ldap_pvt_thread_pool_backload(&connection_pool);
#if defined( HAVE_YIELDING_SELECT ) || defined( NO_THREADS )
tvp = NULL;
NULL, tvp ))
{
case -1: { /* failure - try again */
-#ifdef HAVE_WINSOCK
- int err = WSAGetLastError();
-#else
- int err = errno;
-#endif
+ int err = sock_errno();
- if( err == EBADF && ++ebadf < SLAPD_EBADF_LIMIT) {
- continue;
+ if( err == EBADF
+#ifdef WSAENOTSOCK
+ /* you'd think this would be EBADF */
+ || err == WSAENOTSOCK
+#endif
+ ) {
+ 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;
continue;
default: /* something happened - deal with it */
+ if( slapd_shutdown ) continue;
+
ebadf = 0;
Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n",
ns, 0, 0 );
/* FALL THRU */
}
+ 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;
+ ber_socket_t s;
socklen_t len = sizeof(from);
long id;
+ slap_ssf_t ssf = 0;
+ char *authid = NULL;
char *dnsname;
char *peeraddr;
-
+#ifdef LDAP_PF_LOCAL
+ char peername[MAXPATHLEN + sizeof("PATH=")];
+#elif defined(LDAP_PF_INET6)
+ char peername[sizeof("IP=ffff:ffff:ffff:ffff:ffff:ffff:ffff:ffff 65535")];
+#else
char peername[sizeof("IP=255.255.255.255:65336")];
+#endif /* LDAP_PF_LOCAL */
+
+ peername[0] = '\0';
if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID )
continue;
if ( !FD_ISSET( slap_listeners[l]->sl_sd, &readfds ) )
continue;
- if ( (s = accept( slap_listeners[l]->sl_sd,
- (struct sockaddr *) &from, &len )) == AC_SOCKET_INVALID )
- {
- int err = errno;
+ s = accept( slap_listeners[l]->sl_sd,
+ (struct sockaddr *) &from, &len );
+ if ( s == AC_SOCKET_INVALID ) {
+ int err = sock_errno();
Debug( LDAP_DEBUG_ANY,
- "daemon: accept(%ld) failed errno=%d (%s)\n", err,
- (long) slap_listeners[l]->sl_sd,
- 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;
}
+#ifndef HAVE_WINSOCK
+ /* make sure descriptor number isn't too great */
+ if ( s >= dtblsize ) {
+ Debug( LDAP_DEBUG_ANY,
+ "daemon: %ld beyond descriptor table size %ld\n",
+ (long) s, (long) dtblsize, 0 );
+ slapd_close(s);
+ continue;
+ }
+#endif
+
#ifdef LDAP_DEBUG
ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex );
/* newly accepted stream should not be in any of the FD SETS */
-
assert( !FD_ISSET( s, &slap_daemon.sd_actives) );
assert( !FD_ISSET( s, &slap_daemon.sd_readers) );
assert( !FD_ISSET( s, &slap_daemon.sd_writers) );
ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex );
#endif
-#ifndef HAVE_WINSOCK
- /* make sure descriptor number isn't too great */
- if ( s >= dtblsize ) {
- Debug( LDAP_DEBUG_ANY,
- "daemon: %ld beyond descriptor table size %ld\n",
- (long) s, (long) dtblsize, 0 );
- slapd_close(s);
- continue;
+#if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
+#ifdef LDAP_PF_LOCAL
+ /* for IPv4 and IPv6 sockets only */
+ if ( from.sa_addr.sa_family != AF_LOCAL )
+#endif /* LDAP_PF_LOCAL */
+ {
+ int rc;
+ int tmp;
+#ifdef SO_KEEPALIVE
+ /* enable keep alives */
+ tmp = 1;
+ rc = setsockopt( s, 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) s, err, sock_errstr(err) );
+ }
+#endif
+#ifdef TCP_NODELAY
+ /* enable no delay */
+ tmp = 1;
+ rc = setsockopt( s, 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) s, err, sock_errstr(err) );
+ }
+#endif
}
#endif
-
+
Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n",
(long) s, 0, 0 );
- len = sizeof(from);
-
- if ( getpeername( s, (struct sockaddr *) &from, &len ) != 0 ) {
- int err = errno;
- Debug( LDAP_DEBUG_ANY,
- "daemon: getpeername( %ld ) failed: errno=%d (%s)\n",
- (long) s, err,
- err >= 0 && err < sys_nerr ?
- sys_errlist[err] : "unknown" );
- slapd_close(s);
- continue;
+ switch ( from.sa_addr.sa_family ) {
+# ifdef LDAP_PF_LOCAL
+ case AF_LOCAL:
+ sprintf( peername, "PATH=%s", from.sa_un_addr.sun_path );
+ ssf = LDAP_PVT_SASL_LOCAL_SSF;
+ break;
+#endif /* LDAP_PF_LOCAL */
+
+# ifdef LDAP_PF_INET6
+ case AF_INET6:
+ if ( IN6_IS_ADDR_V4MAPPED(&from.sa_in6_addr.sin6_addr) ) {
+ peeraddr = inet_ntoa( *((struct in_addr *)
+ &from.sa_in6_addr.sin6_addr.s6_addr[12]) );
+ sprintf( peername, "IP=%s:%d",
+ peeraddr != NULL ? peeraddr : "unknown",
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
+ } else {
+ char addr[INET6_ADDRSTRLEN];
+ sprintf( peername, "IP=%s %d",
+ inet_ntop( AF_INET6,
+ &from.sa_in6_addr.sin6_addr,
+ addr, sizeof addr) ? addr : "unknown",
+ (unsigned) ntohs( from.sa_in6_addr.sin6_port ) );
}
+ break;
+# endif /* LDAP_PF_INET6 */
- peeraddr = inet_ntoa( from.sin_addr );
+ case AF_INET:
+ peeraddr = inet_ntoa( from.sa_in_addr.sin_addr );
sprintf( peername, "IP=%s:%d",
peeraddr != NULL ? peeraddr : "unknown",
- (unsigned) ntohs( from.sin_port ) );
-
-#if defined(SLAPD_RLOOKUPS) || defined(HAVE_TCPD)
- hp = gethostbyaddr( (char *)
- &(from.sin_addr.s_addr),
- sizeof(from.sin_addr.s_addr), AF_INET );
+ (unsigned) ntohs( from.sa_in_addr.sin_port ) );
+ break;
- if(hp) {
- dnsname = str2lower( hp->h_name );
-
- } else {
- dnsname = NULL;
+ default:
+ slapd_close(s);
+ continue;
}
-#else
- dnsname = NULL;
+
+ if ( ( from.sa_addr.sa_family == AF_INET )
+#ifdef LDAP_PF_INET6
+ || ( from.sa_addr.sa_family == AF_INET6 )
#endif
+ ) {
+#ifdef SLAPD_RLOOKUPS
+# ifdef LDAP_PF_INET6
+ if ( from.sa_addr.sa_family == AF_INET6 )
+ hp = gethostbyaddr(
+ (char *)&(from.sa_in6_addr.sin6_addr),
+ sizeof(from.sa_in6_addr.sin6_addr),
+ AF_INET6 );
+ else
+# endif /* LDAP_PF_INET6 */
+ hp = gethostbyaddr(
+ (char *) &(from.sa_in_addr.sin_addr),
+ sizeof(from.sa_in_addr.sin_addr),
+ AF_INET );
+ dnsname = hp ? ldap_pvt_str2lower( hp->h_name ) : NULL;
+#else
+ dnsname = NULL;
+#endif /* SLAPD_RLOOKUPS */
#ifdef HAVE_TCPD
- 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,
- dnsname != NULL ? dnsname : "unknown",
- peeraddr != NULL ? peeraddr : "unknown",
- 0, 0 );
-
- slapd_close(s);
- continue;
- }
+ if ( !hosts_ctl("slapd",
+ dnsname != NULL ? dnsname : STRING_UNKNOWN,
+ peeraddr != NULL ? peeraddr : STRING_UNKNOWN,
+ STRING_UNKNOWN ))
+ {
+ /* DENY ACCESS */
+ Statslog( LDAP_DEBUG_ANY,
+ "fd=%ld host access from %s (%s) denied.\n",
+ (long) s,
+ dnsname != NULL ? dnsname : "unknown",
+ peeraddr != NULL ? peeraddr : "unknown",
+ 0, 0 );
+ slapd_close(s);
+ continue;
+ }
#endif /* HAVE_TCPD */
+ }
- if( (id = connection_init(s,
+ 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
+ slap_listeners[l]->sl_is_tls,
#else
- 0
+ 0,
#endif
- )) < 0 )
- {
+ ssf,
+ authid );
+
+ if( authid ) ch_free(authid);
+
+ if( id < 0 ) {
Debug( LDAP_DEBUG_ANY,
"daemon: connection_init(%ld, %s, %s) failed.\n",
(long) s,
}
#else
for ( i = 0; i < nfds; i++ ) {
- int a, r, w;
+ int r, w;
int is_listener = 0;
for ( l = 0; slap_listeners[l] != NULL; l++ ) {
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 );
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_LOCAL ) {
+ unlink( slap_listeners[l]->sl_sa.sa_un_addr.sun_path );
+ }
+#endif /* LDAP_PF_LOCAL */
slapd_close( slap_listeners[l]->sl_sd );
break;
}
}
- ldap_pvt_thread_mutex_lock( &active_threads_mutex );
Debug( LDAP_DEBUG_ANY,
"slapd shutdown: waiting for %d threads to terminate\n",
- active_threads, 0, 0 );
- while ( active_threads > 0 ) {
- ldap_pvt_thread_cond_wait(&active_threads_cond, &active_threads_mutex);
- }
- ldap_pvt_thread_mutex_unlock( &active_threads_mutex );
+ ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 );
+
+ ldap_pvt_thread_pool_destroy(&connection_pool, 1);
return NULL;
}
connections_init();
#define SLAPD_LISTENER_THREAD 1
-#if defined( SLAPD_LISTENER_THREAD ) || !defined(HAVE_PTHREADS)
+#if defined( SLAPD_LISTENER_THREAD )
+ {
+ ldap_pvt_thread_t listener_tid;
- /* listener as a separate THREAD */
- rc = ldap_pvt_thread_create( &listener_tid,
- 0, slapd_daemon_task, NULL );
+ /* listener as a separate THREAD */
+ rc = ldap_pvt_thread_create( &listener_tid,
+ 0, slapd_daemon_task, NULL );
- if ( rc != 0 ) {
- Debug( LDAP_DEBUG_ANY,
- "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
- return rc;
- }
+ if ( rc != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 );
+ return rc;
+ }
- /* wait for the listener thread to complete */
- ldap_pvt_thread_join( listener_tid, (void *) NULL );
+ /* wait for the listener thread to complete */
+ ldap_pvt_thread_join( listener_tid, (void *) NULL );
+ }
#else
- /* expermimental code */
- listener_tid = pthread_self();
+ /* experimental code */
slapd_daemon_task( NULL );
#endif
}
-#ifdef HAVE_WINSOCK2
int sockinit(void)
{
+#if defined( HAVE_WINSOCK2 )
WORD wVersionRequested;
WSADATA wsaData;
int err;
}
/* The WinSock DLL is acceptable. Proceed. */
+#elif defined( HAVE_WINSOCK )
+ WSADATA wsaData;
+ if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
+ return -1;
+ }
+#endif
return 0;
}
int sockdestroy(void)
{
+#if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK )
WSACleanup();
+#endif
return 0;
}
-void hit_socket(void)
+RETSIGTYPE
+slap_sig_shutdown( int sig )
{
- 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 */
- }
+ 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;
- tcp_close(s);
-}
+ WAKE_LISTENER(1);
-#elif HAVE_WINSOCK
-static int sockinit(void)
-{ WSADATA wsaData;
- if ( WSAStartup( 0x0101, &wsaData ) != 0 ) {
- return -1;
- }
- return 0;
-}
-static int sockdestroy(void)
-{
- WSACleanup();
- return 0;
+ /* reinstall self */
+ (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown );
}
-#else
-static int sockinit(void)
+RETSIGTYPE
+slap_sig_wake( int sig )
{
- return 0;
-}
-static int sockdestroy(void)
-{
- return 0;
-}
-#endif
+ WAKE_LISTENER(1);
-void
-slap_set_shutdown( int sig )
-{
- int l;
- slapd_shutdown = sig;
-#ifndef HAVE_WINSOCK
- if(slapd_listener) {
- ldap_pvt_thread_kill( listener_tid, LDAP_SIGUSR1 );
- }
-#else
- /* 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; slap_listeners[l] != NULL; l++ ) {
- if ( slap_listeners[l]->sl_sd >= 0 ) {
- tcp_close( slap_listeners[l]->sl_sd );
- }
- }
-#endif
/* reinstall self */
- (void) SIGNAL( sig, slap_set_shutdown );
+ (void) SIGNAL_REINSTALL( sig, slap_sig_wake );
}
-void
-slap_do_nothing( int sig )
-{
- /* reinstall self */
- (void) SIGNAL( sig, slap_do_nothing );
+
+void slapd_add_internal(ber_socket_t s) {
+ slapd_add(s);
}