+/* os-ip.c -- platform-specific TCP & UDP related code */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
- * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- */
-/* Portions
- * Copyright (c) 1995 Regents of the University of Michigan.
- * All rights reserved.
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2004 The OpenLDAP Foundation.
+ * Portions Copyright 1999 Lars Uffmann.
+ * All rights reserved.
*
- * os-ip.c -- platform-specific TCP & UDP related code
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+/* Significant additional contributors include:
+ * Lars Uffman
*/
#include "portable.h"
int ldap_int_tblsize = 0;
-/*
- * nonblock connect code
- * written by Lars Uffmann, <lars.uffmann@mediaway.net>.
- *
- * Copyright 1999, Lars Uffmann, All rights reserved.
- * This software is not subject to any license of my employer
- * mediaWays GmbH.
- *
- * OpenLDAP COPYING RESTRICTIONS APPLY, see COPYRIGHT file
- *
- * Read about the rationale in ldap_connect_timeout:
- * ftp://koobera.math.uic.edu/www/docs/connect.html.
- */
+#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
+
+#ifdef LDAP_DEBUG
#define osip_debug(ld,fmt,arg1,arg2,arg3) \
do { \
ldap_log_printf(NULL, LDAP_DEBUG_TRACE, fmt, arg1, arg2, arg3); \
} while(0)
+#else
+
+#define osip_debug(ld,fmt,arg1,arg2,arg3) ((void)0)
+
+#endif /* LDAP_DEBUG */
+
static void
ldap_pvt_set_errno(int err)
{
osip_debug(ld, "ldap_prepare_socket: %d\n", s,0,0);
#ifdef TCP_NODELAY
- if( proto = LDAP_PROTO_TCP ) {
+ if( proto == LDAP_PROTO_TCP ) {
int dummy = 1;
if ( setsockopt( s, IPPROTO_TCP, TCP_NODELAY,
(char*) &dummy, sizeof(dummy) ) == AC_SOCKET_ERROR )
return 0;
}
+#ifndef HAVE_WINSOCK
+
#undef TRACE
#define TRACE do { \
osip_debug(ld, \
#if defined( notyet ) /* && defined( SO_ERROR ) */
{
int so_errno;
- int dummy = sizeof(so_errno);
- if ( getsockopt( s, SOL_SOCKET, SO_ERROR, &so_errno, &dummy ) == -1 ) {
+ socklen_t dummy = sizeof(so_errno);
+ if ( getsockopt( s, SOL_SOCKET, SO_ERROR, &so_errno, &dummy )
+ == AC_SOCKET_ERROR )
+ {
return -1;
}
if ( so_errno ) {
#else
{
/* error slippery */
+#ifdef LDAP_PF_INET6
+ struct sockaddr_storage sin;
+#else
struct sockaddr_in sin;
+#endif
char ch;
- int dummy = sizeof(sin);
- if ( getpeername( s, (struct sockaddr *) &sin, &dummy ) == -1 ) {
+ 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;
}
}
#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
fd_set efds;
#endif
+#ifdef LDAP_CONNECTIONLESS
+ /* We could do a connect() but that would interfere with
+ * attempts to poll a broadcast address
+ */
+ if (LDAP_IS_UDP(ld)) {
+ if (ld->ld_options.ldo_peer)
+ ldap_memfree(ld->ld_options.ldo_peer);
+ ld->ld_options.ldo_peer=ldap_memalloc(sizeof(struct sockaddr));
+ AC_MEMCPY(ld->ld_options.ldo_peer,sin,sizeof(struct sockaddr));
+ return ( 0 );
+ }
+#endif
if ( (opt_tv = ld->ld_options.ldo_tm_net) != NULL ) {
tv.tv_usec = opt_tv->tv_usec;
tv.tv_sec = opt_tv->tv_sec;
if ( ldap_pvt_ndelay_on(ld, s) == -1 )
return ( -1 );
- if ( connect(s, sin, addrlen) == 0 )
- {
+ if ( connect(s, sin, addrlen) != AC_SOCKET_ERROR ) {
if ( ldap_pvt_ndelay_off(ld, s) == -1 )
return ( -1 );
return ( 0 );
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) == -1)
- 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);
+ 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 );
int
ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
int proto,
- const char *host,
- unsigned long address, int port, int async)
+ const char *host, int port,
+ int async )
{
- struct sockaddr_in sin;
- struct in_addr in;
+ int rc;
+ int socktype;
ber_socket_t s = AC_SOCKET_INVALID;
- int rc, i, use_hp = 0;
- struct hostent *hp, he_buf;
- int local_h_errno;
- char *ha_buf=NULL, *p, *q;
- osip_debug(ld, "ldap_connect_to_host\n",0,0,0);
+#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
+ char serv[7];
+ int err;
+ struct addrinfo hints, *res, *sai;
+#else
+ int i;
+ int use_hp = 0;
+ struct hostent *hp = NULL;
+ struct hostent he_buf;
+ struct in_addr in;
+ char *ha_buf=NULL;
+#endif
+
+ if( host == NULL ) host = "localhost";
- if (host != NULL) {
-#ifdef HAVE_GETADDRINFO
- char serv[7];
- struct addrinfo hints, *res, *sai;
-
- memset( &hints, '\0', sizeof(hints) );
- hints.ai_family = AF_UNSPEC;
- hints.ai_socktype = proto == LDAP_PROTO_UDP
- ? SOCK_DGRAM : SOCK_STREAM;
-
- snprintf(serv, sizeof serv, "%d", ntohs(port));
- if ( getaddrinfo(host, serv, &hints, &res) ) {
- osip_debug(ld, "ldap_connect_to_host:getaddrinfo failed\n",0,0,0);
- return -1;
+ switch(proto) {
+ 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;
+ }
+
+#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
+ memset( &hints, '\0', sizeof(hints) );
+#ifdef AI_ADDRCONFIG
+ 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
+
+ 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;
+ }
+ rc = -1;
+
+ for( sai=res; sai != NULL; sai=sai->ai_next) {
+ if( sai->ai_addr == NULL ) {
+ osip_debug(ld, "ldap_connect_to_host: getaddrinfo "
+ "ai_addr is NULL?\n", 0, 0, 0);
+ continue;
}
- sai = res;
- rc = -1;
- do {
- /* we assume AF_x and PF_x are equal for all x */
- s = ldap_int_socket( ld, sai->ai_family,
- proto == LDAP_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM );
- if ( s == -1 ) {
- continue;
- }
- if ( ldap_int_prepare_socket(ld, s, proto ) == -1 ) {
- ldap_pvt_close_socket(ld, s);
- break;
- }
+ /* we assume AF_x and PF_x are equal for all x */
+ s = ldap_int_socket( ld, sai->ai_family, socktype );
+ if ( s == AC_SOCKET_INVALID ) {
+ continue;
+ }
+
+ if ( ldap_int_prepare_socket(ld, s, proto ) == -1 ) {
+ ldap_pvt_close_socket(ld, s);
+ break;
+ }
- switch (sai->ai_family) {
+ switch (sai->ai_family) {
#ifdef LDAP_PF_INET6
case AF_INET6: {
char addr[INET6_ADDRSTRLEN];
osip_debug(ld, "ldap_connect_to_host: Trying %s:%s\n",
addr, serv, 0);
} break;
- }
+ }
+
+ 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;
+ }
+ ldap_pvt_close_socket(ld, s);
+ }
+ freeaddrinfo(res);
- 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;
- }
- ldap_pvt_close_socket(ld, s);
- } while ((sai = sai->ai_next) != NULL);
- freeaddrinfo(res);
- return rc;
#else
- if (! inet_aton( host, &in) ) {
- rc = ldap_pvt_gethostbyname_a(host, &he_buf, &ha_buf,
- &hp, &local_h_errno);
+ if (! inet_aton( host, &in ) ) {
+ int local_h_errno;
+ rc = ldap_pvt_gethostbyname_a( host, &he_buf, &ha_buf,
+ &hp, &local_h_errno );
- if ( (rc < 0) || (hp == NULL) ) {
+ if ( (rc < 0) || (hp == NULL) ) {
#ifdef HAVE_WINSOCK
- ldap_pvt_set_errno( WSAGetLastError() );
+ ldap_pvt_set_errno( WSAGetLastError() );
#else
- /* not exactly right, but... */
- ldap_pvt_set_errno( EHOSTUNREACH );
+ /* not exactly right, but... */
+ ldap_pvt_set_errno( EHOSTUNREACH );
#endif
- if (ha_buf) LDAP_FREE(ha_buf);
- return -1;
- }
- use_hp = 1;
+ if (ha_buf) LDAP_FREE(ha_buf);
+ return -1;
}
- address = in.s_addr;
-#endif
+
+ use_hp = 1;
}
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,
- proto == LDAP_PROTO_UDP ? SOCK_DGRAM : SOCK_STREAM );
- if ( s == -1 ) {
+ s = ldap_int_socket( ld, PF_INET, socktype );
+ if ( s == AC_SOCKET_INVALID ) {
/* use_hp ? continue : break; */
break;
}
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 = port;
- p = (char *)&sin.sin_addr;
- q = use_hp ? (char *)hp->h_addr_list[i] : (char *)&address;
- AC_MEMCPY(p, q, sizeof(sin.sin_addr) );
+ sin.sin_port = htons((short) port);
+
+ if( use_hp ) {
+ AC_MEMCPY( &sin.sin_addr, hp->h_addr_list[i],
+ sizeof(sin.sin_addr) );
+ } else {
+ AC_MEMCPY( &sin.sin_addr, &in.s_addr,
+ sizeof(sin.sin_addr) );
+ }
osip_debug(ld, "ldap_connect_to_host: Trying %s:%d\n",
- inet_ntoa(sin.sin_addr),ntohs(sin.sin_port),0);
+ inet_ntoa(sin.sin_addr), port, 0);
rc = ldap_pvt_connect(ld, s,
- (struct sockaddr *)&sin, sizeof(struct sockaddr_in),
+ (struct sockaddr *)&sin, sizeof(sin),
async);
if ( (rc == 0) || (rc == -2) ) {
ldap_pvt_close_socket(ld, s);
- if (!use_hp)
- break;
+ if (!use_hp) break;
}
if (ha_buf) LDAP_FREE(ha_buf);
+#endif
+
return rc;
}
-#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND ) \
- || defined( HAVE_TLS ) || defined( HAVE_CYRUS_SASL )
+#if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND ) || \
+ defined( HAVE_CYRUS_SASL )
char *
-ldap_host_connected_to( Sockbuf *sb )
+ldap_host_connected_to( Sockbuf *sb, const char *host )
{
- 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;
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 );
}
* 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 );
}
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 ) )
{
- host = LDAP_STRDUP( hp->h_name );
+ char *herr;
+#ifdef NI_MAXHOST
+ char hbuf[NI_MAXHOST];
+#elif defined( MAXHOSTNAMELEN
+ char hbuf[MAXHOSTNAMELEN];
+#else
+ char hbuf[256];
+#endif
+ hbuf[0] = 0;
+
+ if (ldap_pvt_get_hname( sa, len, hbuf, sizeof(hbuf), &herr ) == 0
+ && hbuf[0] )
+ {
+ return LDAP_STRDUP( hbuf );
+ }
}
- LDAP_FREE( ha_buf );
- return host;
+ return host ? LDAP_STRDUP( host ) : NULL;
}
-#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND || HAVE_TLS */
+#endif
/* for UNIX */
int
-do_ldap_select( LDAP *ld, struct timeval *timeout )
+ldap_int_select( LDAP *ld, struct timeval *timeout )
{
struct selectinfo *sip;
- Debug( LDAP_DEBUG_TRACE, "do_ldap_select\n", 0, 0, 0 );
+#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();
projects / openldap / blobdiff