]> git.sur5r.net Git - openldap/blobdiff - libraries/libldap/os-ip.c
blind fix of value_match when SLAP_NVALUES is set
[openldap] / libraries / libldap / os-ip.c
index 23935ad2af8b8c84802b14704e47e434f1b3c270..738e97f930ed903ef16a9dce65a04476d669ce7e 100644 (file)
@@ -1,6 +1,6 @@
 /* $OpenLDAP$ */
 /*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2003 The OpenLDAP Foundation, All Rights Reserved.
  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
  */
 /*  Portions
 
 int ldap_int_tblsize = 0;
 
+#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
+#  ifdef LDAP_PF_INET6
+int ldap_int_inet4or6 = AF_UNSPEC;
+#  else
+int ldap_int_inet4or6 = AF_INET;
+#  endif
+#endif
+
 /*
  * nonblock connect code
  * written by Lars Uffmann, <lars.uffmann@mediaway.net>.
@@ -130,6 +138,8 @@ ldap_int_prepare_socket(LDAP *ld, int s, int proto )
        return 0;
 }
 
+#ifndef HAVE_WINSOCK
+
 #undef TRACE
 #define TRACE do { \
        osip_debug(ld, \
@@ -150,7 +160,7 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s)
 #if defined( notyet ) /* && defined( SO_ERROR ) */
 {
        int so_errno;
-       int dummy = sizeof(so_errno);
+       socklen_t dummy = sizeof(so_errno);
        if ( getsockopt( s, SOL_SOCKET, SO_ERROR, &so_errno, &dummy )
                == AC_SOCKET_ERROR )
        {
@@ -166,17 +176,18 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s)
 #else
 {
        /* error slippery */
+#ifdef LDAP_PF_INET6
+       struct sockaddr_storage sin;
+#else
        struct sockaddr_in sin;
+#endif
        char ch;
-       int dummy = sizeof(sin);
+       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);
-#ifdef HAVE_WINSOCK
-               ldap_pvt_set_errno( WSAGetLastError() );
-#endif
                TRACE;
                return -1;
        }
@@ -187,11 +198,14 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s)
 }
 #undef TRACE
 
+#endif /* HAVE_WINSOCK */
+
 static int
 ldap_pvt_connect(LDAP *ld, ber_socket_t s,
        struct sockaddr *sin, socklen_t addrlen,
        int async)
 {
+       int rc;
        struct timeval  tv, *opt_tv=NULL;
        fd_set          wfds, *z=NULL;
 #ifdef HAVE_WINSOCK
@@ -221,8 +235,7 @@ ldap_pvt_connect(LDAP *ld, ber_socket_t s,
        if ( ldap_pvt_ndelay_on(ld, s) == -1 )
                return ( -1 );
 
-       if ( connect(s, sin, addrlen) != AC_SOCKET_ERROR )
-       {
+       if ( connect(s, sin, addrlen) != AC_SOCKET_ERROR ) {
                if ( ldap_pvt_ndelay_off(ld, s) == -1 )
                        return ( -1 );
                return ( 0 );
@@ -248,29 +261,41 @@ ldap_pvt_connect(LDAP *ld, ber_socket_t s,
        FD_SET(s, &efds );
 #endif
 
-       if ( select(ldap_int_tblsize, z, &wfds,
+       do {
+               rc = select(ldap_int_tblsize, z, &wfds,
 #ifdef HAVE_WINSOCK
-                   &efds,
+                       &efds,
 #else
-                   z,
+                       z,
 #endif
-                   opt_tv ? &tv : NULL) == AC_SOCKET_ERROR )
-       {
-               return ( -1 );
-       }
+                       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) ) {
-           ldap_pvt_set_errno(WSAECONNREFUSED);
+           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 );
@@ -300,20 +325,27 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
        const char *host,
        unsigned long address, int port, int async )
 {
-       struct sockaddr_in      sin;
        ber_socket_t            s = AC_SOCKET_INVALID;
        int                     rc, i, use_hp = 0;
        struct hostent          *hp = NULL;
+#if !defined( HAVE_GETADDRINFO ) || !defined( HAVE_INET_NTOP )
+       struct hostent he_buf;
+#endif
        char                    *ha_buf=NULL, *p, *q;
        int                     socktype;
 
-       osip_debug(ld, "ldap_connect_to_host: %s\n",host,0,0);
        
        switch(proto) {
-       case LDAP_PROTO_TCP: socktype = SOCK_STREAM; break;
-       case LDAP_PROTO_UDP: socktype = SOCK_DGRAM; break;
-       default: osip_debug(ld, "ldap_connect_to_host: unknown proto: %d\n",
-                               proto, 0, 0);
+       case LDAP_PROTO_TCP: socktype = SOCK_STREAM;
+               osip_debug(ld, "ldap_connect_to_host: TCP %s:%d\n",host,port,0);
+               break;
+       case LDAP_PROTO_UDP: socktype = SOCK_DGRAM;
+               osip_debug(ld, "ldap_connect_to_host: UDP %s:%d\n",host,port,0);
+               break;
+
+       default:
+               osip_debug(ld, "ldap_connect_to_host: unknown proto: %d\n",
+                       proto, 0, 0);
                return -1;
        }
 
@@ -324,11 +356,23 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
                struct addrinfo hints, *res, *sai;
 
                memset( &hints, '\0', sizeof(hints) );
-               hints.ai_family = AF_UNSPEC;
+               hints.ai_family = ldap_int_inet4or6;
                hints.ai_socktype = socktype;
 
                snprintf(serv, sizeof serv, "%d", port );
-               if ( err = getaddrinfo(host, serv, &hints, &res) ) {
+
+#ifdef LDAP_R_COMPILE
+               /* most getaddrinfo(3) use non-threadsafe resolver libraries */
+               ldap_pvt_thread_mutex_lock(&ldap_int_resolv_mutex);
+#endif
+
+               err = getaddrinfo( host, serv, &hints, &res );
+
+#ifdef LDAP_R_COMPILE
+               ldap_pvt_thread_mutex_unlock(&ldap_int_resolv_mutex);
+#endif
+
+               if ( err != 0 ) {
                        osip_debug(ld, "ldap_connect_to_host: getaddrinfo failed: %s\n",
                                AC_GAI_STRERROR(err), 0, 0);
                        return -1;
@@ -388,7 +432,6 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
                struct in_addr in;
                if (! inet_aton( host, &in) ) {
                        int local_h_errno;
-                       struct hostent he_buf;
                        rc = ldap_pvt_gethostbyname_a(host, &he_buf, &ha_buf,
                                        &hp, &local_h_errno);
 
@@ -410,6 +453,8 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
 
        rc = s = -1;
        for ( i = 0; !use_hp || (hp->h_addr_list[i] != 0); ++i, rc = -1 ) {
+               struct sockaddr_in      sin;
+
                s = ldap_int_socket( ld, PF_INET, socktype );
                if ( s == AC_SOCKET_INVALID ) {
                        /* use_hp ? continue : break; */
@@ -421,7 +466,7 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
                        break;
                }
 
-               (void)memset((char *)&sin, '\0', sizeof(struct sockaddr_in));
+               (void)memset((char *)&sin, '\0', sizeof sin);
                sin.sin_family = AF_INET;
                sin.sin_port = htons((short) port);
                p = (char *)&sin.sin_addr;
@@ -454,23 +499,23 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
 char *
 ldap_host_connected_to( Sockbuf *sb )
 {
-       struct hostent  *hp;
        socklen_t               len;
-       struct sockaddr sa;
-       char                    *addr;
-       char                    *host;
-
-       /* buffers for gethostbyaddr_r */
-       struct hostent  he_buf;
-       int                             local_h_errno;
-       char                    *ha_buf=NULL;
+#ifdef LDAP_PF_INET6
+       struct sockaddr_storage sabuf;
+#else
+       struct sockaddr sabuf;
+#endif
+       struct sockaddr *sa = (struct sockaddr *) &sabuf;
+       char                    *host = NULL, *herr;
+       char hbuf[NI_MAXHOST];
+       int rc;
        ber_socket_t    sd;
 
-       (void)memset( (char *)&sa, '\0', sizeof( struct sockaddr ));
-       len = sizeof( sa );
+       (void)memset( (char *)sa, '\0', sizeof sabuf );
+       len = sizeof sabuf;
 
        ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
-       if ( getpeername( sd, &sa, &len ) == -1 ) {
+       if ( getpeername( sd, sa, &len ) == -1 ) {
                return( NULL );
        }
 
@@ -480,38 +525,39 @@ ldap_host_connected_to( Sockbuf *sb )
         * hostname is used as the kerberos instance.
         */
 
-       switch (sa.sa_family) {
+       switch (sa->sa_family) {
 #ifdef LDAP_PF_LOCAL
        case AF_LOCAL:
                return LDAP_STRDUP( ldap_int_hostname );
 #endif
 #ifdef LDAP_PF_INET6
        case AF_INET6:
-               addr = (char *) &((struct sockaddr_in6 *)&sa)->sin6_addr;
-               len = sizeof( struct in6_addr );
+               {
+                       struct in6_addr localhost = IN6ADDR_LOOPBACK_INIT;
+                       if( memcmp ( &((struct sockaddr_in6 *)sa)->sin6_addr,
+                               &localhost, sizeof(localhost)) == 0 )
+                       {
+                               return LDAP_STRDUP( ldap_int_hostname );
+                       }
+               }
                break;
 #endif
        case AF_INET:
-               addr = (char *) &((struct sockaddr_in *)&sa)->sin_addr;
-               len = sizeof( struct in_addr );
-
                {
-                       struct sockaddr_in localhost;
-                       localhost.sin_addr.s_addr = htonl( INADDR_ANY );
+                       struct in_addr localhost;
+                       localhost.s_addr = htonl( INADDR_ANY );
 
-                       if( memcmp ( &localhost.sin_addr,
-                               &((struct sockaddr_in *)&sa)->sin_addr,
-                               sizeof(localhost.sin_addr) ) == 0 )
+                       if( memcmp ( &((struct sockaddr_in *)sa)->sin_addr,
+                               &localhost, sizeof(localhost) ) == 0 )
                        {
                                return LDAP_STRDUP( ldap_int_hostname );
                        }
 
 #ifdef INADDR_LOOPBACK
-                       localhost.sin_addr.s_addr = htonl( INADDR_LOOPBACK );
+                       localhost.s_addr = htonl( INADDR_LOOPBACK );
 
-                       if( memcmp ( &localhost.sin_addr,
-                               &((struct sockaddr_in *)&sa)->sin_addr,
-                               sizeof(localhost.sin_addr) ) == 0 )
+                       if( memcmp ( &((struct sockaddr_in *)sa)->sin_addr,
+                               &localhost, sizeof(localhost) ) == 0 )
                        {
                                return LDAP_STRDUP( ldap_int_hostname );
                        }
@@ -524,16 +570,13 @@ ldap_host_connected_to( Sockbuf *sb )
                break;
        }
 
-       host = NULL;
-       if ((ldap_pvt_gethostbyaddr_a( addr, len,
-               sa.sa_family, &he_buf, &ha_buf,
-               &hp,&local_h_errno ) == 0 ) &&
-               (hp != NULL) && ( hp->h_name != NULL ) )
+       hbuf[0] = 0;
+       if (ldap_pvt_get_hname( sa, len, hbuf, sizeof(hbuf), &herr ) == 0 &&
+               hbuf[0] ) 
        {
-               host = LDAP_STRDUP( hp->h_name );   
+               host = LDAP_STRDUP( hbuf );   
        }
 
-       LDAP_FREE( ha_buf );
        return host;
 }
 #endif
@@ -665,7 +708,11 @@ ldap_int_select( LDAP *ld, struct timeval *timeout )
 {
        struct selectinfo       *sip;
 
+#ifdef NEW_LOGGING
+       LDAP_LOG ( CONNECTION, ENTRY, "ldap_int_select\n", 0, 0, 0 );
+#else
        Debug( LDAP_DEBUG_TRACE, "ldap_int_select\n", 0, 0, 0 );
+#endif
 
        if ( ldap_int_tblsize == 0 )
                ldap_int_ip_init();