X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=servers%2Fslapd%2Fdaemon.c;h=f4022fc27c4be7f938cb624a53c4b80159e3138e;hb=ecfb311f8f2b4f8b8e74c0ee88b8ef572e792c99;hp=8c496ab0bc93274c4dd7c7eac0a6b6832a8a154c;hpb=1f1993989a468c70774246b6eadb246543ac6dfe;p=openldap diff --git a/servers/slapd/daemon.c b/servers/slapd/daemon.c index 8c496ab0bc..f4022fc27c 100644 --- a/servers/slapd/daemon.c +++ b/servers/slapd/daemon.c @@ -1,6 +1,6 @@ /* $OpenLDAP$ */ /* - * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved. + * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved. * COPYING RESTRICTIONS APPLY, see COPYRIGHT file */ @@ -10,13 +10,13 @@ #include #include -#include #include #include #include #include #include "ldap_pvt.h" +#include "ldap_pvt_thread.h" #include "lutil.h" #include "slap.h" @@ -29,36 +29,24 @@ int deny_severity = LOG_NOTICE; #ifdef LDAP_PF_LOCAL #include +/* this should go in as soon as it is accepted */ +#define LDAPI_MOD_URLEXT "x-mod" #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; +int slap_inet4or6 = AF_UNSPEC; +#else +int slap_inet4or6 = AF_INET; #endif -} Sockaddr; -typedef struct slap_listener { - char* sl_url; - char* sl_name; -#ifdef HAVE_TLS - int sl_is_tls; -#endif - ber_socket_t sl_sd; - Sockaddr sl_sa; -#define sl_addr sl_sa.sa_in_addr -} Listener; +/* globals */ +time_t starttime; +ber_socket_t dtblsize; Listener **slap_listeners = NULL; +#define SLAPD_LISTEN 10 + static ber_socket_t wake_sds[2]; #ifdef NO_THREADS @@ -70,23 +58,15 @@ static int waking; 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 -static +static #endif -volatile sig_atomic_t slapd_shutdown = 0; - -static ldap_pvt_thread_t listener_tid; +volatile sig_atomic_t slapd_shutdown = 0, slapd_gentle_shutdown = 0; static struct slap_daemon { ldap_pvt_thread_mutex_t sd_mutex; - int sd_nactives; + ber_socket_t sd_nactives; #ifndef HAVE_WINSOCK /* In winsock, accept() returns values higher than dtblsize @@ -97,7 +77,110 @@ static struct slap_daemon { fd_set sd_actives; fd_set sd_readers; fd_set sd_writers; -} slap_daemon; +} slap_daemon; + + + +#ifdef HAVE_SLP +/* + * SLP related functions + */ +#include + +#define LDAP_SRVTYPE_PREFIX "service:ldap://" +#define LDAPS_SRVTYPE_PREFIX "service:ldaps://" +static char** slapd_srvurls = NULL; +static SLPHandle slapd_hslp = 0; + +void slapd_slp_init( const char* urls ) { + int i; + + slapd_srvurls = ldap_str2charray( urls, " " ); + + if( slapd_srvurls == NULL ) return; + + /* find and expand INADDR_ANY URLs */ + for( i=0; slapd_srvurls[i] != NULL; i++ ) { + if( strcmp( slapd_srvurls[i], "ldap:///" ) == 0) { + char *host = ldap_pvt_get_fqdn( NULL ); + if ( host != NULL ) { + slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i], + strlen( host ) + + sizeof( LDAP_SRVTYPE_PREFIX ) ); + strcpy( lutil_strcopy(slapd_srvurls[i], + LDAP_SRVTYPE_PREFIX ), host ); + + ch_free( host ); + } + + } else if ( strcmp( slapd_srvurls[i], "ldaps:///" ) == 0) { + char *host = ldap_pvt_get_fqdn( NULL ); + if ( host != NULL ) { + slapd_srvurls[i] = (char *) realloc( slapd_srvurls[i], + strlen( host ) + + sizeof( LDAPS_SRVTYPE_PREFIX ) ); + strcpy( lutil_strcopy(slapd_srvurls[i], + LDAPS_SRVTYPE_PREFIX ), host ); + + ch_free( host ); + } + } + } + + /* open the SLP handle */ + SLPOpen( "en", 0, &slapd_hslp ); +} + +void slapd_slp_deinit() { + if( slapd_srvurls == NULL ) return; + + ldap_charray_free( slapd_srvurls ); + slapd_srvurls = NULL; + + /* close the SLP handle */ + SLPClose( slapd_hslp ); +} + +void slapd_slp_regreport( + SLPHandle hslp, + SLPError errcode, + void* cookie ) +{ + /* empty report */ +} + +void slapd_slp_reg() { + int i; + + for( i=0; slapd_srvurls[i] != NULL; i++ ) { + if( strncmp( slapd_srvurls[i], LDAP_SRVTYPE_PREFIX, + sizeof( LDAP_SRVTYPE_PREFIX ) - 1 ) == 0 || + strncmp( slapd_srvurls[i], LDAPS_SRVTYPE_PREFIX, + sizeof( LDAPS_SRVTYPE_PREFIX ) - 1 ) == 0 ) + { + SLPReg( slapd_hslp, + slapd_srvurls[i], + SLP_LIFETIME_MAXIMUM, + "ldap", + "", + 1, + slapd_slp_regreport, + NULL ); + } + } +} + +void slapd_slp_dereg() { + int i; + + for( i=0; slapd_srvurls[i] != NULL; i++ ) { + SLPDereg( slapd_hslp, + slapd_srvurls[i], + slapd_slp_regreport, + NULL ); + } +} +#endif /* HAVE_SLP */ /* * Add a descriptor to daemon control @@ -115,14 +198,22 @@ static void slapd_add(ber_socket_t s) { } #endif + slap_daemon.sd_nactives++; + FD_SET( s, &slap_daemon.sd_actives ); FD_SET( s, &slap_daemon.sd_readers ); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slapd_add: added %ld%s%s\n", (long)s, + FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "", + FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: added %ld%s%s\n", (long) s, FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "", FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ); - +#endif ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex ); } @@ -132,17 +223,25 @@ static void slapd_add(ber_socket_t s) { void slapd_remove(ber_socket_t s, int wake) { ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex ); + slap_daemon.sd_nactives--; + +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slapd_remove: removing %ld%s%s\n", (long) s, + FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "", + FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: removing %ld%s%s\n", (long) s, FD_ISSET(s, &slap_daemon.sd_readers) ? "r" : "", FD_ISSET(s, &slap_daemon.sd_writers) ? "w" : "" ); - +#endif FD_CLR( s, &slap_daemon.sd_actives ); FD_CLR( s, &slap_daemon.sd_readers ); FD_CLR( s, &slap_daemon.sd_writers ); ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex ); - WAKE_LISTENER(wake); + WAKE_LISTENER(wake || slapd_gentle_shutdown == 2); } void slapd_clr_write(ber_socket_t s, int wake) { @@ -188,42 +287,312 @@ void slapd_set_read(ber_socket_t s, int wake) { } static void slapd_close(ber_socket_t s) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, "slapd_close: closing %ld\n", (long)s, 0, 0); +#else Debug( LDAP_DEBUG_CONNS, "daemon: closing %ld\n", (long) s, 0, 0 ); +#endif 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); + } + + ch_free(sal); +} + +#ifdef LDAP_PF_LOCAL +static int get_url_perms( + char **exts, + mode_t *perms, + int *crit ) +{ + int i; + + assert( exts ); + assert( perms ); + assert( crit ); + + *crit = 0; + for ( i = 0; exts[ i ]; i++ ) { + char *type = exts[ i ]; + int c = 0; + + if ( type[ 0 ] == '!' ) { + c = 1; + type++; + } + + if ( strncasecmp( type, LDAPI_MOD_URLEXT "=", sizeof(LDAPI_MOD_URLEXT "=") - 1 ) == 0 ) { + char *value = type + sizeof(LDAPI_MOD_URLEXT "=") - 1; + mode_t p = 0; + int j; + + if ( strlen(value) != 3 ) { + return LDAP_OTHER; + } + + for ( j = 0; j < 3; j++ ) { + static mode_t m[ 3 ] + = { S_IRWXU, S_IRWXG, S_IRWXO }; + + switch ( value[ j ] ) { + case 'w': + p |= m[ j ]; + break; + case '-': + break; + default: + return LDAP_OTHER; + } + } + + *crit = c; + *perms = p; + + return LDAP_SUCCESS; + } + } + + return LDAP_OTHER; +} +#endif /* LDAP_PF_LOCAL */ + +/* port = 0 indicates AF_LOCAL */ +static int slap_get_listener_addresses( + const char *host, + unsigned short port, + struct sockaddr ***sal) +{ + struct sockaddr **sap; + +#ifdef LDAP_PF_LOCAL + if ( port == 0 ) { + *sal = ch_malloc(2 * sizeof(void *)); + if (*sal == NULL) { + return -1; + } -static Listener * open_listener( const char* url ) + sap = *sal; + *sap = ch_malloc(sizeof(struct sockaddr_un)); + if (*sap == NULL) + goto errexit; + sap[1] = NULL; + + if ( strlen(host) > + (sizeof(((struct sockaddr_un *)*sap)->sun_path) - 1) ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_get_listener_addresses: domain socket path (%s) " + "too long in URL\n", host, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "daemon: domain socket path (%s) too long in URL", + host, 0, 0); +#endif + goto errexit; + } + + (void)memset( (void *)*sap, '\0', sizeof(struct sockaddr_un) ); + (*sap)->sa_family = AF_LOCAL; + strcpy( ((struct sockaddr_un *)*sap)->sun_path, host ); + } else +#endif + { +#ifdef HAVE_GETADDRINFO + struct addrinfo hints, *res, *sai; + int n, err; + char serv[7]; + + memset( &hints, '\0', sizeof(hints) ); + hints.ai_flags = AI_PASSIVE; + hints.ai_socktype = SOCK_STREAM; + hints.ai_family = slap_inet4or6; + snprintf(serv, sizeof serv, "%d", port); + + if ( (err = getaddrinfo(host, serv, &hints, &res)) ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_get_listener_addresses: getaddrinfo failed: %s\n", + AC_GAI_STRERROR(err), 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed: %s\n", + AC_GAI_STRERROR(err), 0, 0); +#endif + return -1; + } + + sai = res; + for (n=2; (sai = sai->ai_next) != NULL; n++) { + /* EMPTY */ ; + } + *sal = ch_calloc(n, sizeof(void *)); + if (*sal == NULL) { + return -1; + } + + sap = *sal; + *sap = NULL; + + for ( sai=res; sai; sai=sai->ai_next ) { + if( sai->ai_addr == NULL ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_get_listener_addresses: " + "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, "slap_get_listener_addresses: " + "getaddrinfo ai_addr is NULL?\n", 0, 0, 0 ); +#endif + freeaddrinfo(res); + goto errexit; + } + + switch (sai->ai_family) { +# 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++; + *sap = NULL; + } + } + + freeaddrinfo(res); +#else + int i, n = 1; + struct in_addr in; + struct hostent *he = NULL; + + if ( host == NULL ) { + in.s_addr = htonl(INADDR_ANY); + + } else if ( !inet_aton( host, &in ) ) { + he = gethostbyname( host ); + if( he == NULL ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_get_listener_addresses: invalid host %s\n", host, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "daemon: invalid host %s", host, 0, 0); +#endif + return -1; + } + for (n = 0; he->h_addr_list[n]; n++) ; + } + + *sal = ch_malloc((n+1) * sizeof(void *)); + if (*sal == NULL) { + return -1; + } + + sap = *sal; + for ( i = 0; isa_family = AF_INET; + ((struct sockaddr_in *)sap[i])->sin_port = htons(port); + if (he) { + AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, he->h_addr_list[i], sizeof(struct in_addr) ); + } else { + AC_MEMCPY( &((struct sockaddr_in *)sap[i])->sin_addr, &in, sizeof(struct in_addr) ); + } + } + sap[i] = NULL; +#endif + } + + return 0; + +errexit: + slap_free_listener_addresses(*sal); + return -1; +} + +static int slap_open_listener( + const char* url, + int *listeners, + int *cur + ) { - int tmp, rc; + int num, tmp, rc; Listener l; Listener *li; LDAPURLDesc *lud; - char *s; - int port; -#ifdef HAVE_GETADDRINFO - char serv[7]; - struct addrinfo hints, *res, *sai; - int err; + unsigned short port; + int err, addrlen = 0; + struct sockaddr **sal, **psal; + int socktype = SOCK_STREAM; /* default to COTS */ + +#ifdef LDAP_PF_LOCAL + mode_t perms = S_IRWXU; + int crit = 1; #endif rc = ldap_url_parse( url, &lud ); if( rc != LDAP_URL_SUCCESS ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slap_open_listener: listen URL \"%s\" parse error %d\n", + url, rc , 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon: listen URL \"%s\" parse error=%d\n", url, rc, 0 ); - return NULL; +#endif + return rc; } #ifndef HAVE_TLS if( ldap_pvt_url_scheme2tls( lud->lud_scheme ) ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: TLS is not supported (%s)\n", url, 0, 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon: TLS not supported (%s)\n", url, 0, 0 ); +#endif ldap_free_urldesc( lud ); - return NULL; + return -1; } if(! lud->lud_port ) { @@ -238,315 +607,268 @@ static Listener * open_listener( const char* url ) } #endif -#ifdef HAVE_GETADDRINFO - memset( &hints, '\0', sizeof(hints) ); - hints.ai_flags = AI_PASSIVE; - hints.ai_family = AF_UNSPEC; - hints.ai_socktype = SOCK_STREAM; + port = (unsigned short) lud->lud_port; -# ifdef LDAP_PF_LOCAL - if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) { + tmp = ldap_pvt_url_scheme2proto(lud->lud_scheme); + if ( tmp == LDAP_PROTO_IPC ) { +#ifdef LDAP_PF_LOCAL if ( lud->lud_host == NULL || lud->lud_host[0] == '\0' ) { - err = getaddrinfo(NULL, LDAPI_SOCK, &hints, &res); - if (!err) - unlink( LDAPI_SOCK ); + err = slap_get_listener_addresses(LDAPI_SOCK, 0, &sal); } else { - err = getaddrinfo(NULL, lud->lud_host, &hints, &res); - if (!err) - unlink( lud->lud_host ); + err = slap_get_listener_addresses(lud->lud_host, 0, &sal); } - } else -# endif /* LDAP_PF_LOCAL */ - { - snprintf(serv, sizeof serv, "%d", lud->lud_port); + + if ( lud->lud_exts ) { + err = get_url_perms( lud->lud_exts, &perms, &crit ); + } +#else + +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: URL scheme is not supported: %s\n", url, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s", + url, 0, 0); +#endif + ldap_free_urldesc( lud ); + return -1; +#endif + } else { +#ifdef LDAP_CONNECTIONLESS + l.sl_is_udp = ( tmp == LDAP_PROTO_UDP ); +#endif if( lud->lud_host == NULL || lud->lud_host[0] == '\0' || strcmp(lud->lud_host, "*") == 0 ) { - err = getaddrinfo(NULL, serv, &hints, &res); + err = slap_get_listener_addresses(NULL, port, &sal); } else { - err = getaddrinfo(lud->lud_host, serv, &hints, &res); + err = slap_get_listener_addresses(lud->lud_host, port, &sal); } } + ldap_free_urldesc( lud ); if ( err ) { - Debug( LDAP_DEBUG_ANY, "daemon: getaddrinfo failed\n", 0, 0, 0); - ldap_free_urldesc( lud ); - return NULL; + return -1; } - ldap_free_urldesc( lud ); - sai = res; - do { - l.sl_sd = socket( sai->ai_family, sai->ai_socktype, sai->ai_protocol); + /* If we got more than one address returned, we need to make space + * for it in the slap_listeners array. + */ + for ( num=0; sal[num]; num++ ); + if ( num > 1 ) { + *listeners += num-1; + slap_listeners = ch_realloc( slap_listeners, (*listeners + 1) * sizeof(Listener *) ); + } + + 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; + } +#ifdef LDAP_CONNECTIONLESS + if (l.sl_is_udp) + socktype = SOCK_DGRAM; +#endif + l.sl_sd = socket( (*sal)->sa_family, socktype, 0); if ( l.sl_sd == AC_SOCKET_INVALID ) { int err = sock_errno(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slap_open_listener: socket() failed errno=%d (%s)\n", + err, sock_errstr(err), 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon: socket() failed errno=%d (%s)\n", err, sock_errstr(err), 0 ); +#endif + sal++; continue; } - - if ( sai->ai_family != AF_LOCAL ) { +#ifndef HAVE_WINSOCK + if ( l.sl_sd >= dtblsize ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slap_open_listener: listener descriptor %ld is too " + "great %ld\n", (long)l.sl_sd, (long)dtblsize, 0 ); #else - - if ( ldap_pvt_url_scheme2proto(lud->lud_scheme) == LDAP_PROTO_IPC ) { -#ifdef LDAP_PF_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_LOCAL; - - /* 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, LDAPI_SOCK ); - } else { - if ( strlen(lud->lud_host) > (sizeof(l.sl_sa.sa_un_addr.sun_path) - 1) ) { - Debug( LDAP_DEBUG_ANY, - "daemon: 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 ); + Debug( LDAP_DEBUG_ANY, + "daemon: listener descriptor %ld is too great %ld\n", + (long) l.sl_sd, (long) dtblsize, 0 ); +#endif + tcp_close( l.sl_sd ); + sal++; + continue; } - 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 +#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; + rc = setsockopt( l.sl_sd, SOL_SOCKET, SO_REUSEADDR, + (char *) &tmp, sizeof(tmp) ); + if ( rc == AC_SOCKET_ERROR ) { + int err = sock_errno(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: setsockopt( %ld, SO_REUSEADDR ) " + "failed errno %d (%s)\n", (long)l.sl_sd, err, + sock_errstr(err) ); #else - Debug( LDAP_DEBUG_ANY, "daemon: URL scheme not supported: %s", - url, 0, 0); - ldap_free_urldesc( lud ); - return NULL; -#endif /* LDAP_PF_LOCAL */ - } else { - - 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, - "daemon: invalid host (%s) in URL: %s", - lud->lud_host, url, 0); - ldap_free_urldesc( lud ); - return NULL; + "slapd(%ld): setsockopt(SO_REUSEADDR) failed errno=%d (%s)\n", + (long) l.sl_sd, err, sock_errstr(err) ); +#endif } - - memcpy( &l.sl_addr.sin_addr, he->h_addr, - sizeof( l.sl_addr.sin_addr ) ); +#endif } - } - } - ldap_free_urldesc( lud ); - - l.sl_sd = socket( l.sl_sa.sa_addr.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 ); - 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; - } + switch( (*sal)->sa_family ) { + case AF_INET: + addrlen = sizeof(struct sockaddr_in); + break; +#ifdef LDAP_PF_INET6 + case AF_INET6: +#ifdef IPV6_V6ONLY + /* Try to use IPv6 sockets for IPv6 only */ + tmp = 1; + rc = setsockopt( l.sl_sd, IPPROTO_IPV6, IPV6_V6ONLY, + (char *) &tmp, sizeof(tmp) ); + if ( rc == AC_SOCKET_ERROR ) { + int err = sock_errno(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: setsockopt( %ld, IPV6_V6ONLY ) failed errno %d (%s)\n", + (long)l.sl_sd, err, sock_errstr(err) ); +#else + Debug( LDAP_DEBUG_ANY, + "slapd(%ld): setsockopt(IPV6_V6ONLY) failed errno=%d (%s)\n", + (long) l.sl_sd, err, sock_errstr(err) ); #endif - -#ifdef LDAP_PF_LOCAL - /* for IP sockets only */ - if ( l.sl_sa.sa_addr.sa_family == AF_INET ) { -#endif /* LDAP_PF_LOCAL */ -#endif /* HAVE_GETADDRINFO */ - -#ifdef SO_REUSEADDR - /* 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; - 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) ); - } + addrlen = sizeof(struct sockaddr_in6); + break; #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) ); - } +#ifdef LDAP_PF_LOCAL + case AF_LOCAL: + addrlen = sizeof(struct sockaddr_un); + break; #endif + } -#ifdef HAVE_GETADDRINFO - } /* sai->ai_family != AF_LOCAL */ - if (!bind(l.sl_sd, sai->ai_addr, sai->ai_addrlen)) - break; - err = sock_errno(); + if (bind(l.sl_sd, *sal, addrlen)) { + err = sock_errno(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: bind(%ld) failed errno=%d (%s)\n", + (long)l.sl_sd, err, sock_errstr(err) ); +#else 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 ); - } while ((sai = sai->ai_next) != NULL); - - if (!sai) { - Debug( LDAP_DEBUG_ANY, "daemon: bind(%ld) failed\n", - (long) l.sl_sd, 0, 0 ); - return NULL; - } + (long) l.sl_sd, err, sock_errstr(err) ); +#endif + tcp_close( l.sl_sd ); + sal++; + continue; + } - switch ( sai->ai_family ) { -# ifdef LDAP_PF_LOCAL - case AF_LOCAL: - if ( chmod( (char *)sai->ai_addr, S_IRWXU ) < 0 ) { + switch ( (*sal)->sa_family ) { +#ifdef LDAP_PF_LOCAL + case AF_LOCAL: { + char *addr = ((struct sockaddr_un *)*sal)->sun_path; + if ( chmod( addr, perms ) < 0 && crit ) { int err = sock_errno(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: fchmod(%ld) failed errno=%d (%s)\n", + (long)l.sl_sd, err, sock_errstr(err) ); +#else Debug( LDAP_DEBUG_ANY, "daemon: fchmod(%ld) failed errno=%d (%s)", - (long) l.sl_sd, err, sock_errstr(err) ); + (long) l.sl_sd, err, sock_errstr(err) ); +#endif tcp_close( l.sl_sd ); - return NULL; + slap_free_listener_addresses(psal); + return -1; } - l.sl_name = ch_malloc( strlen((char *)sai->ai_addr) + sizeof("PATH=") ); - sprintf( l.sl_name, "PATH=%s", sai->ai_addr ); - break; -# endif /* LDAP_PF_LOCAL */ + 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; +#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP ) char addr[INET_ADDRSTRLEN]; - inet_ntop( AF_INET, - &((struct sockaddr_in *)sai->ai_addr)->sin_addr, - addr, sizeof(addr) ); - l.sl_name = ch_malloc( strlen(addr) + strlen(serv) + sizeof("IP=:") ); - sprintf( l.sl_name, "IP=%s:%s", addr, serv ); + inet_ntop( AF_INET, &((struct sockaddr_in *)*sal)->sin_addr, + addr, sizeof(addr) ); + s = addr; +#else + s = inet_ntoa( ((struct sockaddr_in *) *sal)->sin_addr ); +#endif + port = ntohs( ((struct sockaddr_in *)*sal) ->sin_port ); + 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 +#ifdef LDAP_PF_INET6 case AF_INET6: { char addr[INET6_ADDRSTRLEN]; - inet_ntop( AF_INET6, - &((struct sockaddr_in6 *)sai->ai_addr)->sin6_addr, - addr, sizeof addr); - l.sl_name = ch_malloc( strlen(addr) + strlen(serv) + sizeof("IP= ") ); - sprintf( l.sl_name, "IP=%s %s", addr, serv ); + inet_ntop( AF_INET6, &((struct sockaddr_in6 *)*sal)->sin6_addr, + addr, sizeof addr); + port = ntohs( ((struct sockaddr_in6 *)*sal)->sin6_port ); + l.sl_name = ch_malloc( strlen(addr) + sizeof("IP= 65535") ); + sprintf( l.sl_name, "IP=%s %d", addr, port ); } break; -# endif /* LDAP_PF_INET6 */ +#endif /* LDAP_PF_INET6 */ default: - Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n", - (int) sai->ai_family, 0, 0 ); - break; - } +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_open_listener: unsupported address family (%d)\n", + (int)(*sal)->sa_family, 0, 0 ); #else -#ifdef LDAP_PF_LOCAL - /* close conditional */ - } -#endif /* LDAP_PF_LOCAL */ - - switch ( l.sl_sa.sa_addr.sa_family ) { -#ifdef LDAP_PF_LOCAL - case AF_LOCAL: - rc = bind( l.sl_sd, (struct sockaddr *)&l.sl_sa, - sizeof(l.sl_sa.sa_un_addr) ); - break; + Debug( LDAP_DEBUG_ANY, "daemon: unsupported address family (%d)\n", + (int) (*sal)->sa_family, 0, 0 ); #endif - - 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; - } - - 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; - } - - switch ( l.sl_sa.sa_addr.sa_family ) { -#ifdef LDAP_PF_LOCAL - case AF_LOCAL: - if ( chmod( l.sl_sa.sa_un_addr.sun_path, S_IRWXU ) < 0 ) { - int err = sock_errno(); - Debug( LDAP_DEBUG_ANY, - "daemon: chmod(%ld) failed errno=%d (%s)", - (long) l.sl_sd, err, sock_errstr(err) ); - tcp_close( l.sl_sd ); - return NULL; - } - - 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; -#endif /* LDAP_PF_LOCAL */ - - 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; + break; } -#endif /* HAVE_GETADDRINFO */ - + AC_MEMCPY(&l.sl_sa, *sal, addrlen); l.sl_url = ch_strdup( url ); li = ch_malloc( sizeof( Listener ) ); *li = l; + slap_listeners[*cur] = li; + (*cur)++; + sal++; + + } /* while ( *sal != NULL ) */ + + slap_free_listener_addresses(psal); + +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, RESULTS, + "slap_open_listener: daemon initialzed %s\n", l.sl_url, 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, "daemon: initialized %s\n", l.sl_url, 0, 0 ); - - return li; +#endif + return 0; } static int sockinit(void); @@ -554,12 +876,16 @@ static int sockdestroy(void); int slapd_daemon_init( const char *urls ) { - int i, rc; + int i, j, n, rc; char **u; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ARGS, + "slapd_daemon_init: %s\n", urls ? urls : "", 0, 0 ); +#else Debug( LDAP_DEBUG_ARGS, "daemon_init: %s\n", urls ? urls : "", 0, 0 ); - +#endif if( (rc = sockinit()) != 0 ) { return rc; } @@ -584,8 +910,13 @@ int slapd_daemon_init( const char *urls ) * this byte arrives. */ if( (rc = lutil_pair( wake_sds )) < 0 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slap_daemon_init: lutil_pair() failed rc=%d\n", rc, 0, 0); +#else Debug( LDAP_DEBUG_ANY, "daemon: lutil_pair() failed rc=%d\n", rc, 0, 0 ); +#endif return rc; } @@ -596,46 +927,72 @@ int slapd_daemon_init( const char *urls ) urls = "ldap:///"; } - u = str2charray( urls, " " ); + u = ldap_str2charray( urls, " " ); if( u == NULL || u[0] == NULL ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slap_daemon_init: no urls (%s) provided.\n", urls, 0, 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon_init: no urls (%s) provided.\n", urls, 0, 0 ); - +#endif return -1; } for( i=0; u[i] != NULL; i++ ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slap_daemon_init: listen on %s\n.", u[i], 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, "daemon_init: listen on %s\n", u[i], 0, 0 ); +#endif } if( i == 0 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_daemon_init: no listeners to open (%s)\n", urls, 0, 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon_init: no listeners to open (%s)\n", urls, 0, 0 ); - charray_free( u ); +#endif + ldap_charray_free( u ); return -1; } +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slap_daemon_init: %d listeners to open...\n", i, 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners to open...\n", i, 0, 0 ); - +#endif 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 ); + for(n = 0, j = 0; u[n]; n++ ) { + if ( slap_open_listener( u[n], &i, &j ) ) { + ldap_charray_free( u ); return -1; } } - slap_listeners[i] = NULL; + slap_listeners[j] = NULL; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slap_daemon_init: %d listeners opened\n", i, 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, "daemon_init: %d listeners opened\n", i, 0, 0 ); +#endif + +#ifdef HAVE_SLP + slapd_slp_init( urls ); + slapd_slp_reg(); +#endif - charray_free( u ); + ldap_charray_free( u ); ldap_pvt_thread_mutex_init( &slap_daemon.sd_mutex ); return !i; } @@ -648,29 +1005,120 @@ slapd_daemon_destroy(void) tcp_close( wake_sds[1] ); tcp_close( wake_sds[0] ); sockdestroy(); + +#ifdef HAVE_SLP + slapd_slp_dereg(); + slapd_slp_deinit(); +#endif + return 0; } +static void +close_listeners( + int remove +) +{ + int l; + + for ( l = 0; slap_listeners[l] != NULL; l++ ) { + if ( slap_listeners[l]->sl_sd != AC_SOCKET_INVALID ) { + if ( remove ) + slapd_remove( slap_listeners[l]->sl_sd, 0 ); +#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 ); + } + if ( slap_listeners[l]->sl_url ) + free ( slap_listeners[l]->sl_url ); + if ( slap_listeners[l]->sl_name ) + free ( slap_listeners[l]->sl_name ); + free ( slap_listeners[l] ); + slap_listeners[l] = NULL; + } +} + + static void * slapd_daemon_task( void *ptr ) { int l; - time_t last_idle_check = slap_get_time(); + time_t last_idle_check = 0; time( &starttime ); + if ( global_idletimeout > 0 ) { + last_idle_check = slap_get_time(); + } for ( l = 0; slap_listeners[l] != NULL; l++ ) { if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ) continue; +#ifdef LDAP_CONNECTIONLESS + /* Since this is connectionless, the data port is the + * listening port. The listen() and accept() calls + * are unnecessary. + */ + if ( slap_listeners[l]->sl_is_udp ) + { + slapd_add( slap_listeners[l]->sl_sd ); + continue; + } +#endif - if ( listen( slap_listeners[l]->sl_sd, 5 ) == -1 ) { + if ( listen( slap_listeners[l]->sl_sd, SLAPD_LISTEN ) == -1 ) { int err = sock_errno(); + +#ifdef LDAP_PF_INET6 + /* If error is EADDRINUSE, we are trying to listen to INADDR_ANY and + * we are already listening to in6addr_any, then we want to ignore + * this and continue. + */ + if ( err == EADDRINUSE ) { + int i; + struct sockaddr_in sa = slap_listeners[l]->sl_sa.sa_in_addr; + struct sockaddr_in6 sa6; + + if ( sa.sin_family == AF_INET && + sa.sin_addr.s_addr == htonl(INADDR_ANY) ) { + for ( i = 0 ; i < l; i++ ) { + sa6 = slap_listeners[i]->sl_sa.sa_in6_addr; + if ( sa6.sin6_family == AF_INET6 && + !memcmp( &sa6.sin6_addr, &in6addr_any, sizeof(struct in6_addr) ) ) + break; + } + + if ( i < l ) { + /* We are already listening to in6addr_any */ +#ifdef NEW_LOGGING + LDAP_LOG(CONNECTION, WARNING, + "slapd_daemon_task: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", 0, 0, 0 ); +#else + Debug( LDAP_DEBUG_CONNS, + "daemon: Attempt to listen to 0.0.0.0 failed, already listening on ::, assuming IPv4 included\n", + 0, 0, 0 ); +#endif + slapd_close( slap_listeners[l]->sl_sd ); + slap_listeners[l]->sl_sd = AC_SOCKET_INVALID; + continue; + } + } + } +#endif +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon_task: listen( %s, 5 ) failed errno=%d (%s)\n", + slap_listeners[l]->sl_url, err, sock_errstr(err) ); +#else Debug( LDAP_DEBUG_ANY, "daemon: listen(%s, 5) failed errno=%d (%s)\n", slap_listeners[l]->sl_url, err, sock_errstr(err) ); +#endif return( (void*)-1 ); } @@ -689,11 +1137,12 @@ slapd_daemon_task( int ns; int at; ber_socket_t nfds; -#define SLAPD_EBADF_LIMIT 10 +#define SLAPD_EBADF_LIMIT 16 int ebadf = 0; + int emfile = 0; #define SLAPD_IDLE_CHECK_LIMIT 4 - time_t now = slap_get_time(); + time_t now; fd_set readfds; @@ -701,17 +1150,42 @@ slapd_daemon_task( Sockaddr from; #if defined(SLAPD_RLOOKUPS) - struct hostent *hp; + struct hostent *hp; #endif struct timeval zero; struct timeval *tvp; - if( global_idletimeout > 0 && difftime( - last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, - now ) < 0 ) - { - connections_timeout_idle(now); + if( emfile ) { + now = slap_get_time(); + connections_timeout_idle( now ); + } + else if ( global_idletimeout > 0 ) { + now = slap_get_time(); + if ( difftime( last_idle_check+global_idletimeout/SLAPD_IDLE_CHECK_LIMIT, now ) < 0 ) { + connections_timeout_idle( now ); + } + } + +#ifdef SIGHUP + if( slapd_gentle_shutdown ) { + ber_socket_t active; + + if( slapd_gentle_shutdown == 1 ) { + Debug( LDAP_DEBUG_ANY, "slapd gentle shutdown\n", 0, 0, 0 ); + close_listeners( 1 ); + global_restrictops |= SLAP_RESTRICT_OP_WRITES; + slapd_gentle_shutdown = 2; + } + + ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex ); + active = slap_daemon.sd_nactives; + ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex ); + if( active == 0 ) { + slapd_shutdown = 2; + break; + } } +#endif FD_ZERO( &writefds ); FD_ZERO( &readfds ); @@ -731,8 +1205,8 @@ slapd_daemon_task( } } #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 ); @@ -764,10 +1238,17 @@ slapd_daemon_task( if ( slap_listeners[l]->sl_sd == AC_SOCKET_INVALID ) continue; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slapd_daemon_task: select: listen=%d " + "active_threads=%d tvp=%s\n", + slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: select: listen=%d active_threads=%d tvp=%s\n", slap_listeners[l]->sl_sd, at, tvp == NULL ? "NULL" : "zero" ); +#endif } switch(ns = select( nfds, &readfds, @@ -782,9 +1263,10 @@ slapd_daemon_task( case -1: { /* failure - try again */ int err = sock_errno(); - if( err == EBADF -#ifdef HAVE_WINSOCK - || err == WSAENOTSOCK /* you'd think this would be EBADF */ + if( err == EBADF +#ifdef WSAENOTSOCK + /* you'd think this would be EBADF */ + || err == WSAENOTSOCK #endif ) { if (++ebadf < SLAPD_EBADF_LIMIT) @@ -792,26 +1274,43 @@ slapd_daemon_task( } if( err != EINTR ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slapd_daemon_task: select failed (%d): %s\n", + err, sock_errstr(err), 0 ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: select failed (%d): %s\n", err, sock_errstr(err), 0 ); - - slapd_shutdown = -1; +#endif + slapd_shutdown = 2; } } continue; case 0: /* timeout - let threads run */ ebadf = 0; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + "slapd_daemon_task: select timeout - yielding\n", 0, 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: select timeout - yielding\n", 0, 0, 0 ); - ldap_pvt_thread_yield(); +#endif + ldap_pvt_thread_yield(); continue; default: /* something happened - deal with it */ + if( slapd_shutdown ) continue; + ebadf = 0; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + "slapd_daemon_task: activity on %d descriptors\n", ns, 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: activity on %d descriptors\n", ns, 0, 0 ); +#endif /* FALL THRU */ } @@ -825,11 +1324,13 @@ slapd_daemon_task( } 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 *dnsname = NULL; char *peeraddr; #ifdef LDAP_PF_LOCAL char peername[MAXPATHLEN + sizeof("PATH=")]; @@ -847,70 +1348,185 @@ slapd_daemon_task( 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 ) +#ifdef LDAP_CONNECTIONLESS + if ( slap_listeners[l]->sl_is_udp ) { - int err = sock_errno(); - Debug( LDAP_DEBUG_ANY, - "daemon: accept(%ld) failed errno=%d (%s)\n", - (long) slap_listeners[l]->sl_sd, err, - sock_errstr(err) ); + /* The first time we receive a query, we set this + * up as a "connection". It remains open for the life + * of the slapd. + */ + if ( slap_listeners[l]->sl_is_udp < 2 ) + { + id = connection_init( + slap_listeners[l]->sl_sd, + slap_listeners[l]->sl_url, "", "", + slap_listeners[l]->sl_name, + 2, ssf, authid ); + slap_listeners[l]->sl_is_udp++; + } 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 */ + s = accept( slap_listeners[l]->sl_sd, + (struct sockaddr *) &from, &len ); + if ( s == AC_SOCKET_INVALID ) { + int err = sock_errno(); - assert( !FD_ISSET( s, &slap_daemon.sd_actives) ); - assert( !FD_ISSET( s, &slap_daemon.sd_readers) ); - assert( !FD_ISSET( s, &slap_daemon.sd_writers) ); +#ifdef EMFILE + if( err == EMFILE ) { + emfile++; + } else +#endif +#ifdef ENFILE + if( err == ENFILE ) { + emfile++; + } else +#endif + { + emfile=0; + } - ldap_pvt_thread_mutex_unlock( &slap_daemon.sd_mutex ); + if( emfile < 3 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon_task: accept(%ld) failed errno=%d (%s)\n", + (long)slap_listeners[l]->sl_sd, + err, sock_errstr(err) ); +#else + Debug( LDAP_DEBUG_ANY, + "daemon: accept(%ld) failed errno=%d (%s)\n", + (long) slap_listeners[l]->sl_sd, err, + sock_errstr(err) ); #endif + } else { + /* prevent busy loop */ +# ifdef HAVE_USLEEP + if( emfile % 4 == 3 ) usleep( 250 ); +# else + if( emfile % 8 == 7 ) sleep( 1 ); +# endif + } + + ldap_pvt_thread_yield(); + continue; + } + emfile = 0; #ifndef HAVE_WINSOCK /* make sure descriptor number isn't too great */ if ( s >= dtblsize ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon_task: %ld beyond descriptor table size %ld\n", + (long)s, (long)dtblsize, 0 ); +#else Debug( LDAP_DEBUG_ANY, "daemon: %ld beyond descriptor table size %ld\n", (long) s, (long) dtblsize, 0 ); +#endif + slapd_close(s); + ldap_pvt_thread_yield(); continue; } #endif - - Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n", - (long) s, 0, 0 ); - len = sizeof(from); +#ifdef LDAP_DEBUG + ldap_pvt_thread_mutex_lock( &slap_daemon.sd_mutex ); - 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; + /* 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 + +#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(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon_task: setsockopt( %ld, SO_KEEPALIVE)" + " failed errno=%d (%s)\n", + (long)s, err, sock_errstr(err) ); +#else + Debug( LDAP_DEBUG_ANY, + "slapd(%ld): setsockopt(SO_KEEPALIVE) failed " + "errno=%d (%s)\n", (long) s, err, sock_errstr(err) ); +#endif + } +#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(); +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon_task: setsockopt( %ld, " + "TCP_NODELAY) failed errno=%d (%s)\n", + (long)s, err, sock_errstr(err) ); +#else + Debug( LDAP_DEBUG_ANY, + "slapd(%ld): setsockopt(TCP_NODELAY) failed " + "errno=%d (%s)\n", (long) s, err, sock_errstr(err) ); +#endif + } +#endif } +#endif +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL1, + "slapd_daemon_task: new connection on %ld\n", (long)s, 0, 0 ); +#else + Debug( LDAP_DEBUG_CONNS, "daemon: new connection on %ld\n", + (long) s, 0, 0 ); +#endif 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; + dnsname = "local"; break; #endif /* LDAP_PF_LOCAL */ # ifdef LDAP_PF_INET6 - case AF_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]; + + peeraddr = (char *) inet_ntop( AF_INET6, + &from.sa_in6_addr.sin6_addr, + addr, sizeof addr ); 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; + peeraddr != NULL ? peeraddr : "unknown", + (unsigned) ntohs( from.sa_in6_addr.sin6_port ) ); + } + break; # endif /* LDAP_PF_INET6 */ case AF_INET: @@ -924,25 +1540,28 @@ slapd_daemon_task( slapd_close(s); continue; } - if ( ( from.sa_addr.sa_family == AF_INET ) + + if ( ( from.sa_addr.sa_family == AF_INET ) #ifdef LDAP_PF_INET6 || ( from.sa_addr.sa_family == AF_INET6 ) #endif ) { #ifdef SLAPD_RLOOKUPS + if ( use_reverse_lookup ) { # ifdef LDAP_PF_INET6 - if ( from.sa_addr.sa_family == AF_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_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; + (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 */ @@ -955,7 +1574,7 @@ slapd_daemon_task( { /* DENY ACCESS */ Statslog( LDAP_DEBUG_ANY, - "fd=%ld connection from %s (%s) denied.\n", + "fd=%ld host access from %s (%s) denied.\n", (long) s, dnsname != NULL ? dnsname : "unknown", peeraddr != NULL ? peeraddr : "unknown", @@ -966,23 +1585,33 @@ slapd_daemon_task( #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 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, INFO, + "slapd_daemon_task: connection_init(%ld, %s, %s) failed.\n", + (long)s, peername, slap_listeners[l]->sl_name ); +#else Debug( LDAP_DEBUG_ANY, "daemon: connection_init(%ld, %s, %s) failed.\n", (long) s, peername, slap_listeners[l]->sl_name ); +#endif slapd_close(s); continue; } @@ -999,16 +1628,32 @@ slapd_daemon_task( } #ifdef LDAP_DEBUG +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + "slapd_daemon_task: activity on ", 0, 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: activity on:", 0, 0, 0 ); +#endif #ifdef HAVE_WINSOCK for ( i = 0; i < readfds.fd_count; i++ ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + " %d%s", readfds.fd_array[i], "r", 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, " %d%s", readfds.fd_array[i], "r", 0 ); +#endif } for ( i = 0; i < writefds.fd_count; i++ ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + " %d%s", writefds.fd_array[i], "w" , 0 ); +#else Debug( LDAP_DEBUG_CONNS, " %d%s", writefds.fd_array[i], "w", 0 ); +#endif } + #else for ( i = 0; i < nfds; i++ ) { int r, w; @@ -1016,6 +1661,13 @@ slapd_daemon_task( for ( l = 0; slap_listeners[l] != NULL; l++ ) { if ( i == slap_listeners[l]->sl_sd ) { +#ifdef LDAP_CONNECTIONLESS + /* The listener is the data port. Don't + * skip it. + */ + if (slap_listeners[l]->sl_is_udp) + continue; +#endif is_listener = 1; break; } @@ -1026,12 +1678,22 @@ slapd_daemon_task( r = FD_ISSET( i, &readfds ); w = FD_ISSET( i, &writefds ); if ( r || w ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + " %d%s%s", i, r ? "r" : "", w ? "w" : "" ); +#else Debug( LDAP_DEBUG_CONNS, " %d%s%s", i, r ? "r" : "", w ? "w" : "" ); +#endif } } #endif +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, "\n", 0, 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, "\n", 0, 0, 0 ); +#endif + #endif /* loop through the writers */ @@ -1054,6 +1716,10 @@ slapd_daemon_task( for ( l = 0; slap_listeners[l] != NULL; l++ ) { if ( i == slap_listeners[l]->sl_sd ) { +#ifdef LDAP_CONNECTIONLESS + if (slap_listeners[l]->sl_is_udp) + continue; +#endif is_listener = 1; break; } @@ -1061,10 +1727,14 @@ slapd_daemon_task( if ( is_listener ) { continue; } +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + "slapd_daemon_task: write active on %d\n", wd, 0, 0 ); +#else Debug( LDAP_DEBUG_CONNS, "daemon: write active on %d\n", wd, 0, 0 ); - +#endif /* * NOTE: it is possible that the connection was closed * and that the stream is now inactive. @@ -1098,6 +1768,10 @@ slapd_daemon_task( for ( l = 0; slap_listeners[l] != NULL; l++ ) { if ( rd == slap_listeners[l]->sl_sd ) { +#ifdef LDAP_CONNECTIONLESS + if (slap_listeners[l]->sl_is_udp) + continue; +#endif is_listener = 1; break; } @@ -1106,9 +1780,13 @@ slapd_daemon_task( continue; } +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, DETAIL2, + "slapd_daemon_task: read activity on %d\n", rd, 0, 0 ); +#else Debug ( LDAP_DEBUG_CONNS, "daemon: read activity on %d\n", rd, 0, 0 ); - +#endif /* * NOTE: it is possible that the connection was closed * and that the stream is now inactive. @@ -1123,44 +1801,64 @@ slapd_daemon_task( ldap_pvt_thread_yield(); } - if( slapd_shutdown > 0 ) { + if( slapd_shutdown == 1 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slapd_daemon_task: shutdown requested and initiated.\n", 0, 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, "daemon: shutdown requested and initiated.\n", 0, 0, 0 ); +#endif - } else if ( slapd_shutdown < 0 ) { + } else if ( slapd_shutdown == 2 ) { #ifdef HAVE_NT_SERVICE_MANAGER - if (slapd_shutdown == -1) - Debug( LDAP_DEBUG_TRACE, - "daemon: shutdown initiated by Service Manager.\n", - 0, 0, 0); - else +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slapd_daemon_task: shutdown initiated by Service Manager.\n", + 0, 0, 0); +#else + Debug( LDAP_DEBUG_TRACE, + "daemon: shutdown initiated by Service Manager.\n", + 0, 0, 0); #endif - Debug( LDAP_DEBUG_TRACE, - "daemon: abnormal condition, shutdown initiated.\n", - 0, 0, 0 ); +#else /* !HAVE_NT_SERVICE_MANAGER */ +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slapd_daemon_task: abnormal condition, " + "shutdown initiated.\n", 0, 0, 0 ); +#else + Debug( LDAP_DEBUG_TRACE, + "daemon: abnormal condition, shutdown initiated.\n", + 0, 0, 0 ); +#endif +#endif /* !HAVE_NT_SERVICE_MANAGER */ } else { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slapd_daemon_task: no active streams, shutdown initiated.\n", + 0, 0, 0 ); +#else Debug( LDAP_DEBUG_TRACE, - "daemon: no active streams, shutdown initiated.\n", - 0, 0, 0 ); + "daemon: no active streams, shutdown initiated.\n", + 0, 0, 0 ); +#endif } - 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; - } - } + if( slapd_gentle_shutdown != 2 ) + close_listeners ( 0 ); + free ( slap_listeners ); + slap_listeners = NULL; +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slapd_daemon_task: shutdown waiting for %d threads to terminate.\n", + ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 ); +#else Debug( LDAP_DEBUG_ANY, "slapd shutdown: waiting for %d threads to terminate\n", ldap_pvt_thread_pool_backload(&connection_pool), 0, 0 ); - +#endif ldap_pvt_thread_pool_destroy(&connection_pool, 1); return NULL; @@ -1174,23 +1872,31 @@ int slapd_daemon( void ) 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 ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, ERR, + "slapd_daemon: listener ldap_pvt_thread_create failed (%d).\n", + rc, 0, 0 ); +#else + Debug( LDAP_DEBUG_ANY, + "listener ldap_pvt_thread_create failed (%d)\n", rc, 0, 0 ); +#endif + 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 @@ -1198,77 +1904,64 @@ int slapd_daemon( void ) } -#ifdef HAVE_WINSOCK2 int sockinit(void) { +#if defined( HAVE_WINSOCK2 ) WORD wVersionRequested; WSADATA wsaData; int err; - + wVersionRequested = MAKEWORD( 2, 0 ); - + err = WSAStartup( wVersionRequested, &wsaData ); if ( err != 0 ) { /* Tell the user that we couldn't find a usable */ - /* WinSock DLL. */ + /* WinSock DLL. */ return -1; } - + /* Confirm that the WinSock DLL supports 2.0.*/ /* Note that if the DLL supports versions greater */ /* than 2.0 in addition to 2.0, it will still return */ - /* 2.0 in wVersion since that is the version we */ - /* requested. */ - + /* 2.0 in wVersion since that is the version we */ + /* requested. */ + if ( LOBYTE( wsaData.wVersion ) != 2 || HIBYTE( wsaData.wVersion ) != 0 ) { /* Tell the user that we couldn't find a usable */ - /* WinSock DLL. */ + /* WinSock DLL. */ WSACleanup(); - return -1; + return -1; } /* The WinSock DLL is acceptable. Proceed. */ - return 0; -} - -int sockdestroy(void) -{ - WSACleanup(); - return 0; -} - -#elif HAVE_WINSOCK -static int sockinit(void) -{ +#elif defined( HAVE_WINSOCK ) WSADATA wsaData; if ( WSAStartup( 0x0101, &wsaData ) != 0 ) { return -1; } - return 0; -} -static int sockdestroy(void) -{ - WSACleanup(); +#endif return 0; } -#else -static int sockinit(void) -{ - return 0; -} -static int sockdestroy(void) +int sockdestroy(void) { +#if defined( HAVE_WINSOCK2 ) || defined( HAVE_WINSOCK ) + WSACleanup(); +#endif return 0; } -#endif RETSIGTYPE slap_sig_shutdown( int sig ) { +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slap_sig_shutdown: signal %d\n", sig, 0, 0 ); +#else Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: signal %d\n", sig, 0, 0); +#endif /* * If the NT Service Manager is controlling the server, we don't @@ -1278,16 +1971,26 @@ slap_sig_shutdown( int sig ) #if HAVE_NT_SERVICE_MANAGER && SIGBREAK if (is_NT_Service && sig == SIGBREAK) +#ifdef NEW_LOGGING + LDAP_LOG( CONNECTION, CRIT, + "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0 ); +#else Debug(LDAP_DEBUG_TRACE, "slap_sig_shutdown: SIGBREAK ignored.\n", 0, 0, 0); +#endif + else +#endif +#ifdef SIGHUP + if (sig == SIGHUP && global_gentlehup && slapd_gentle_shutdown == 0) + slapd_gentle_shutdown = 1; else #endif - slapd_shutdown = sig; + slapd_shutdown = 1; WAKE_LISTENER(1); /* reinstall self */ - (void) SIGNAL( sig, slap_sig_shutdown ); + (void) SIGNAL_REINSTALL( sig, slap_sig_shutdown ); } RETSIGTYPE @@ -1296,5 +1999,14 @@ slap_sig_wake( int sig ) WAKE_LISTENER(1); /* reinstall self */ - (void) SIGNAL( sig, slap_sig_wake ); + (void) SIGNAL_REINSTALL( sig, slap_sig_wake ); +} + + +void slapd_add_internal(ber_socket_t s) { + slapd_add(s); +} + +Listener ** slapd_get_listeners(void) { + return slap_listeners; }