+/* os-ip.c -- platform-specific TCP & UDP related code */
/* $OpenLDAP$ */
-/*
- * Copyright 1998-2002 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"
# endif
#endif
-/*
- * 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.
- */
+#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)
{
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 )
{
+ int rc;
+ int socktype;
ber_socket_t s = AC_SOCKET_INVALID;
- int rc, i, use_hp = 0;
- struct hostent *hp = NULL;
- char *ha_buf=NULL, *p, *q;
- int socktype;
+#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";
switch(proto) {
case LDAP_PROTO_TCP: socktype = SOCK_STREAM;
- osip_debug(ld, "ldap_connect_to_host: TCP %s:%d\n",host,port,0);
+ 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: TCP %s:%d\n",host,port,0);
+ 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);
+ osip_debug( ld, "ldap_connect_to_host: unknown proto: %d\n",
+ proto, 0, 0 );
return -1;
}
- if (host != NULL) {
#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
- char serv[7];
- int err;
- struct addrinfo hints, *res, *sai;
-
- memset( &hints, '\0', sizeof(hints) );
- hints.ai_family = ldap_int_inet4or6;
- hints.ai_socktype = socktype;
-
- snprintf(serv, sizeof serv, "%d", port );
- if ( ( err = getaddrinfo(host, serv, &hints, &res) ) ) {
- osip_debug(ld, "ldap_connect_to_host: getaddrinfo failed: %s\n",
- AC_GAI_STRERROR(err), 0, 0);
- return -1;
- }
- rc = -1;
+ 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
- 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;
- }
+ err = getaddrinfo( host, serv, &hints, &res );
- /* 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;
- }
+#ifdef LDAP_R_COMPILE
+ ldap_pvt_thread_mutex_unlock(&ldap_int_resolv_mutex);
+#endif
- if ( ldap_int_prepare_socket(ld, s, proto ) == -1 ) {
- ldap_pvt_close_socket(ld, s);
- break;
- }
+ 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;
+ }
- switch (sai->ai_family) {
+ /* 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) {
#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);
+ 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;
}
- freeaddrinfo(res);
- return rc;
+ ldap_pvt_close_socket(ld, s);
+ }
+ freeaddrinfo(res);
#else
- 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);
-
- if ( (rc < 0) || (hp == NULL) ) {
+ 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) ) {
#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;
(void)memset((char *)&sin, '\0', sizeof sin);
sin.sin_family = AF_INET;
sin.sin_port = htons((short) 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) );
+
+ 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),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_CYRUS_SASL )
char *
-ldap_host_connected_to( Sockbuf *sb )
+ldap_host_connected_to( Sockbuf *sb, const char *host )
{
- struct hostent *hp;
socklen_t len;
#ifdef LDAP_PF_INET6
struct sockaddr_storage sabuf;
struct sockaddr sabuf;
#endif
struct sockaddr *sa = (struct sockaddr *) &sabuf;
- char *addr;
- char *host;
-
- /* buffers for gethostbyaddr_r */
- struct hostent he_buf;
- int local_h_errno;
- char *ha_buf=NULL;
ber_socket_t sd;
(void)memset( (char *)sa, '\0', sizeof sabuf );
#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
projects / openldap / blobdiff