X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fos-ip.c;h=dd270374fd44b6f8369f6ad0cd7d7d0090e30497;hb=52a0d000311d7eda3eb830c7bff75286fe7661fc;hp=7194c827fb647cc14e41be9bc24486e697db6445;hpb=aa3c9bad3e7c98b11ab910d3e3e5c107f76f24cf;p=openldap diff --git a/libraries/libldap/os-ip.c b/libraries/libldap/os-ip.c index 7194c827fb..dd270374fd 100644 --- a/libraries/libldap/os-ip.c +++ b/libraries/libldap/os-ip.c @@ -2,7 +2,7 @@ /* $OpenLDAP$ */ /* This work is part of OpenLDAP Software . * - * Copyright 1998-2007 The OpenLDAP Foundation. + * Copyright 1998-2011 The OpenLDAP Foundation. * Portions Copyright 1999 Lars Uffmann. * All rights reserved. * @@ -36,6 +36,9 @@ #ifdef HAVE_IO_H #include #endif /* HAVE_IO_H */ +#ifdef HAVE_FCNTL_H +#include +#endif #include "ldap-int.h" @@ -110,6 +113,9 @@ ldap_int_socket(LDAP *ld, int family, int type ) { ber_socket_t s = socket(family, type, 0); osip_debug(ld, "ldap_new_socket: %d\n",s,0,0); +#ifdef FD_CLOEXEC + fcntl(s, F_SETFD, FD_CLOEXEC); +#endif return ( s ); } @@ -136,6 +142,57 @@ ldap_int_prepare_socket(LDAP *ld, int s, int proto ) "setsockopt(%d, SO_KEEPALIVE) failed (ignored).\n", s, 0, 0 ); } + if ( ld->ld_options.ldo_keepalive_idle > 0 ) + { +#ifdef TCP_KEEPIDLE + if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPIDLE, + (void*) &ld->ld_options.ldo_keepalive_idle, + sizeof(ld->ld_options.ldo_keepalive_idle) ) == AC_SOCKET_ERROR ) + { + osip_debug( ld, "ldap_prepare_socket: " + "setsockopt(%d, TCP_KEEPIDLE) failed (ignored).\n", + s, 0, 0 ); + } +#else + osip_debug( ld, "ldap_prepare_socket: " + "sockopt TCP_KEEPIDLE not supported on this system.\n", + 0, 0, 0 ); +#endif /* TCP_KEEPIDLE */ + } + if ( ld->ld_options.ldo_keepalive_probes > 0 ) + { +#ifdef TCP_KEEPCNT + if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPCNT, + (void*) &ld->ld_options.ldo_keepalive_probes, + sizeof(ld->ld_options.ldo_keepalive_probes) ) == AC_SOCKET_ERROR ) + { + osip_debug( ld, "ldap_prepare_socket: " + "setsockopt(%d, TCP_KEEPCNT) failed (ignored).\n", + s, 0, 0 ); + } +#else + osip_debug( ld, "ldap_prepare_socket: " + "sockopt TCP_KEEPCNT not supported on this system.\n", + 0, 0, 0 ); +#endif /* TCP_KEEPCNT */ + } + if ( ld->ld_options.ldo_keepalive_interval > 0 ) + { +#ifdef TCP_KEEPINTVL + if ( setsockopt( s, IPPROTO_TCP, TCP_KEEPINTVL, + (void*) &ld->ld_options.ldo_keepalive_interval, + sizeof(ld->ld_options.ldo_keepalive_interval) ) == AC_SOCKET_ERROR ) + { + osip_debug( ld, "ldap_prepare_socket: " + "setsockopt(%d, TCP_KEEPINTVL) failed (ignored).\n", + s, 0, 0 ); + } +#else + osip_debug( ld, "ldap_prepare_socket: " + "sockopt TCP_KEEPINTVL not supported on this system.\n", + 0, 0, 0 ); +#endif /* TCP_KEEPINTVL */ + } #endif /* SO_KEEPALIVE */ #ifdef TCP_NODELAY if ( setsockopt( s, IPPROTO_TCP, TCP_NODELAY, @@ -174,7 +231,7 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s) #if defined( notyet ) /* && defined( SO_ERROR ) */ { int so_errno; - socklen_t dummy = sizeof(so_errno); + ber_socklen_t dummy = sizeof(so_errno); if ( getsockopt( s, SOL_SOCKET, SO_ERROR, &so_errno, &dummy ) == AC_SOCKET_ERROR ) { @@ -196,12 +253,12 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s) struct sockaddr_in sin; #endif char ch; - socklen_t dummy = sizeof(sin); + ber_socklen_t dummy = sizeof(sin); if ( getpeername( s, (struct sockaddr *) &sin, &dummy ) == AC_SOCKET_ERROR ) { /* XXX: needs to be replace with ber_stream_read() */ - read(s, &ch, 1); + (void)read(s, &ch, 1); TRACE; return -1; } @@ -221,14 +278,8 @@ ldap_int_poll( ber_socket_t s, struct timeval *tvp ) { - int timeout = INFTIM; - struct timeval tv = { 0 }; int rc; - if ( tvp != NULL ) { - tv = *tvp; - timeout = TV2MILLISEC( tvp ); - } osip_debug(ld, "ldap_int_poll: fd: %d tm: %ld\n", s, tvp ? tvp->tv_sec : -1L, 0); @@ -236,10 +287,14 @@ ldap_int_poll( #ifdef HAVE_POLL { struct pollfd fd; + int timeout = INFTIM; fd.fd = s; fd.events = POLL_WRITE; + if ( tvp != NULL ) { + timeout = TV2MILLISEC( tvp ); + } do { fd.revents = 0; rc = poll( &fd, 1, timeout ); @@ -272,6 +327,7 @@ ldap_int_poll( #ifdef HAVE_WINSOCK fd_set efds; #endif + struct timeval tv = { 0 }; #if defined( FD_SETSIZE ) && !defined( HAVE_WINSOCK ) if ( s >= FD_SETSIZE ) { @@ -282,6 +338,10 @@ ldap_int_poll( } #endif + if ( tvp != NULL ) { + tv = *tvp; + } + do { FD_ZERO(&wfds); FD_SET(s, &wfds ); @@ -305,7 +365,7 @@ ldap_int_poll( return rc; } - if ( timeout == 0 && rc == 0 ) { + if ( rc == 0 && tvp && tvp->tv_sec == 0 && tvp->tv_usec == 0 ) { return -2; } @@ -313,7 +373,7 @@ ldap_int_poll( /* This means the connection failed */ if ( FD_ISSET(s, &efds) ) { int so_errno; - int dummy = sizeof(so_errno); + ber_socklen_t dummy = sizeof(so_errno); if ( getsockopt( s, SOL_SOCKET, SO_ERROR, (char *) &so_errno, &dummy ) == AC_SOCKET_ERROR || !so_errno ) { @@ -347,12 +407,11 @@ ldap_int_poll( static int ldap_pvt_connect(LDAP *ld, ber_socket_t s, - struct sockaddr *sin, socklen_t addrlen, + struct sockaddr *sin, ber_socklen_t addrlen, int async) { int rc, err; - struct timeval tv = { 0 }, - *opt_tv = NULL; + struct timeval tv, *opt_tv = NULL; #ifdef LDAP_CONNECTIONLESS /* We could do a connect() but that would interfere with @@ -366,9 +425,9 @@ ldap_pvt_connect(LDAP *ld, ber_socket_t s, return ( 0 ); } #endif - opt_tv = ld->ld_options.ldo_tm_net; - if ( opt_tv != NULL ) { - tv = *opt_tv; + if ( ld->ld_options.ldo_tm_net.tv_sec >= 0 ) { + tv = ld->ld_options.ldo_tm_net; + opt_tv = &tv; } osip_debug(ld, "ldap_pvt_connect: fd: %d tm: %ld async: %d\n", @@ -395,98 +454,8 @@ ldap_pvt_connect(LDAP *ld, ber_socket_t s, rc = ldap_int_poll( ld, s, opt_tv ); -#if 0 -#ifdef HAVE_POLL - { - struct pollfd fd; - int timeout = INFTIM; - - if( opt_tv != NULL ) timeout = TV2MILLISEC( &tv ); - - fd.fd = s; - fd.events = POLL_WRITE; - - do { - fd.revents = 0; - rc = poll( &fd, 1, timeout ); - } while( rc == AC_SOCKET_ERROR && errno == EINTR && - LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART )); - - if( rc == AC_SOCKET_ERROR ) return rc; - - if( fd.revents & POLL_WRITE ) { - if ( ldap_pvt_is_socket_ready(ld, s) == -1 ) return -1; - if ( ldap_pvt_ndelay_off(ld, s) == -1 ) return -1; - return ( 0 ); - } - } -#else - { - fd_set wfds, *z=NULL; -#ifdef HAVE_WINSOCK - fd_set efds; -#endif - -#if defined( FD_SETSIZE ) && !defined( HAVE_WINSOCK ) - if ( s >= FD_SETSIZE ) { - rc = AC_SOCKET_ERROR; - tcp_close( s ); - ldap_pvt_set_errno( EMFILE ); - return rc; - } -#endif - - do { - FD_ZERO(&wfds); - FD_SET(s, &wfds ); - -#ifdef HAVE_WINSOCK - FD_ZERO(&efds); - FD_SET(s, &efds ); -#endif - - rc = select(ldap_int_tblsize, z, &wfds, -#ifdef HAVE_WINSOCK - &efds, -#else - z, -#endif - opt_tv ? &tv : NULL); - } while( rc == AC_SOCKET_ERROR && errno == EINTR && - LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_RESTART )); - - if( rc == AC_SOCKET_ERROR ) return rc; - -#ifdef HAVE_WINSOCK - /* This means the connection failed */ - if ( FD_ISSET(s, &efds) ) { - int so_errno; - int dummy = sizeof(so_errno); - if ( getsockopt( s, SOL_SOCKET, SO_ERROR, - (char *) &so_errno, &dummy ) == AC_SOCKET_ERROR || !so_errno ) - { - /* impossible */ - so_errno = WSAGetLastError(); - } - ldap_pvt_set_errno(so_errno); - osip_debug(ld, "ldap_pvt_connect: error on socket %d: " - "errno: %d (%s)\n", s, errno, sock_errstr(errno)); - return -1; - } -#endif - if ( FD_ISSET(s, &wfds) ) { -#ifndef HAVE_WINSOCK - if ( ldap_pvt_is_socket_ready(ld, s) == -1 ) return -1; -#endif - if ( ldap_pvt_ndelay_off(ld, s) == -1 ) return -1; - return 0; - } - } -#endif - -#endif - osip_debug(ld, "ldap_pvt_connect: %d\n", rc, 0, 0); + return rc; } @@ -506,16 +475,66 @@ ldap_pvt_inet_aton( const char *host, struct in_addr *in) } #endif +int +ldap_int_connect_cbs(LDAP *ld, Sockbuf *sb, ber_socket_t *s, LDAPURLDesc *srv, struct sockaddr *addr) +{ + struct ldapoptions *lo; + ldaplist *ll; + ldap_conncb *cb; + int rc; + + ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_FD, s ); + + /* Invoke all handle-specific callbacks first */ + lo = &ld->ld_options; + for (ll = lo->ldo_conn_cbs; ll; ll = ll->ll_next) { + cb = ll->ll_data; + rc = cb->lc_add( ld, sb, srv, addr, cb ); + /* on any failure, call the teardown functions for anything + * that previously succeeded + */ + if ( rc ) { + ldaplist *l2; + for (l2 = lo->ldo_conn_cbs; l2 != ll; l2 = l2->ll_next) { + cb = l2->ll_data; + cb->lc_del( ld, sb, cb ); + } + /* a failure might have implicitly closed the fd */ + ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, s ); + return rc; + } + } + lo = LDAP_INT_GLOBAL_OPT(); + for (ll = lo->ldo_conn_cbs; ll; ll = ll->ll_next) { + cb = ll->ll_data; + rc = cb->lc_add( ld, sb, srv, addr, cb ); + if ( rc ) { + ldaplist *l2; + for (l2 = lo->ldo_conn_cbs; l2 != ll; l2 = l2->ll_next) { + cb = l2->ll_data; + cb->lc_del( ld, sb, cb ); + } + lo = &ld->ld_options; + for (l2 = lo->ldo_conn_cbs; l2; l2 = l2->ll_next) { + cb = l2->ll_data; + cb->lc_del( ld, sb, cb ); + } + ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, s ); + return rc; + } + } + return 0; +} int ldap_connect_to_host(LDAP *ld, Sockbuf *sb, - int proto, - const char *host, int port, + int proto, LDAPURLDesc *srv, int async ) { int rc; - int socktype; + int socktype, port; ber_socket_t s = AC_SOCKET_INVALID; + char *host; #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP ) char serv[7]; @@ -530,8 +549,22 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, char *ha_buf=NULL; #endif - if( host == NULL ) host = "localhost"; - + if ( srv->lud_host == NULL || *srv->lud_host == 0 ) { + host = "localhost"; + } else { + host = srv->lud_host; + } + + port = srv->lud_port; + + if( !port ) { + if( strcmp(srv->lud_scheme, "ldaps") == 0 ) { + port = LDAPS_PORT; + } else { + port = LDAP_PORT; + } + } + switch(proto) { case LDAP_PROTO_TCP: socktype = SOCK_STREAM; osip_debug( ld, @@ -551,24 +584,20 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, #if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP ) memset( &hints, '\0', sizeof(hints) ); -#ifdef USE_AI_ATTRCONFIG /* FIXME: configure test needed */ - /* Use AI_ATTRCONFIG only on systems where its known to be needed. */ - hints.ai_flags = AI_ATTRCONFIG; +#ifdef USE_AI_ADDRCONFIG /* FIXME: configure test needed */ + /* Use AI_ADDRCONFIG only on systems where its known to be needed. */ + hints.ai_flags = AI_ADDRCONFIG; #endif hints.ai_family = ldap_int_inet4or6; hints.ai_socktype = socktype; snprintf(serv, sizeof serv, "%d", port ); -#ifdef LDAP_R_COMPILE /* most getaddrinfo(3) use non-threadsafe resolver libraries */ - ldap_pvt_thread_mutex_lock(&ldap_int_resolv_mutex); -#endif + LDAP_MUTEX_LOCK(&ldap_int_resolv_mutex); err = getaddrinfo( host, serv, &hints, &res ); -#ifdef LDAP_R_COMPILE - ldap_pvt_thread_mutex_unlock(&ldap_int_resolv_mutex); -#endif + LDAP_MUTEX_UNLOCK(&ldap_int_resolv_mutex); if ( err != 0 ) { osip_debug(ld, "ldap_connect_to_host: getaddrinfo failed: %s\n", @@ -619,8 +648,11 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, rc = ldap_pvt_connect( ld, s, sai->ai_addr, sai->ai_addrlen, async ); if ( rc == 0 || rc == -2 ) { - ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_FD, &s ); - break; + err = ldap_int_connect_cbs( ld, sb, &s, srv, sai->ai_addr ); + if ( err ) + rc = err; + else + break; } ldap_pvt_close_socket(ld, s); } @@ -663,7 +695,7 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, (void)memset((char *)&sin, '\0', sizeof sin); sin.sin_family = AF_INET; - sin.sin_port = htons((short) port); + sin.sin_port = htons((unsigned short) port); if( use_hp ) { AC_MEMCPY( &sin.sin_addr, hp->h_addr_list[i], @@ -691,8 +723,11 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, async); if ( (rc == 0) || (rc == -2) ) { - ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_FD, &s ); - break; + int err = ldap_int_connect_cbs( ld, sb, &s, srv, (struct sockaddr *)&sin ); + if ( err ) + rc = err; + else + break; } ldap_pvt_close_socket(ld, s); @@ -705,12 +740,11 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb, return rc; } -#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND ) || \ - defined( HAVE_CYRUS_SASL ) +#if defined( HAVE_CYRUS_SASL ) char * ldap_host_connected_to( Sockbuf *sb, const char *host ) { - socklen_t len; + ber_socklen_t len; #ifdef LDAP_PF_INET6 struct sockaddr_storage sabuf; #else @@ -782,7 +816,7 @@ ldap_host_connected_to( Sockbuf *sb, const char *host ) char *herr; #ifdef NI_MAXHOST char hbuf[NI_MAXHOST]; -#elif defined( MAXHOSTNAMELEN +#elif defined( MAXHOSTNAMELEN ) char hbuf[MAXHOSTNAMELEN]; #else char hbuf[256]; @@ -970,6 +1004,9 @@ ldap_is_read_ready( LDAP *ld, Sockbuf *sb ) sip = (struct selectinfo *)ld->ld_selectinfo; + if (ber_sockbuf_ctrl( sb, LBER_SB_OPT_DATA_READY, NULL )) + return 1; + ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd ); #ifdef HAVE_POLL