X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=libraries%2Flibldap%2Fos-ip.c;h=424ef02e669af66483dbc639d73c76364848214a;hb=a5cad3f18a4b8fbbbb1bfc5db9d00022d9ebbfc4;hp=d8a6039978e70538cf9c518d5d99eb3c5ea880b4;hpb=bf5e3a15ca52a00a1437c9f8f7f26deb449f7a6f;p=openldap
diff --git a/libraries/libldap/os-ip.c b/libraries/libldap/os-ip.c
index d8a6039978..424ef02e66 100644
--- a/libraries/libldap/os-ip.c
+++ b/libraries/libldap/os-ip.c
@@ -1,13 +1,24 @@
+/* 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 .
+ *
+ * Copyright 1998-2010 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
+ * .
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ */
+/* Significant additional contributors include:
+ * Lars Uffman
*/
#include "portable.h"
@@ -25,11 +36,12 @@
#ifdef HAVE_IO_H
#include
#endif /* HAVE_IO_H */
+#ifdef HAVE_FCNTL_H
+#include
+#endif
#include "ldap-int.h"
-int ldap_int_tblsize = 0;
-
#if defined( HAVE_GETADDRINFO ) && defined( HAVE_INET_NTOP )
# ifdef LDAP_PF_INET6
int ldap_int_inet4or6 = AF_UNSPEC;
@@ -38,29 +50,23 @@ int ldap_int_inet4or6 = AF_INET;
# endif
#endif
-/*
- * nonblock connect code
- * written by Lars Uffmann, .
- *
- * 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)
{
- errno = err;
+ sock_errset(err);
}
int
@@ -107,6 +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 );
}
@@ -120,20 +129,82 @@ ldap_pvt_close_socket(LDAP *ld, int s)
static int
ldap_int_prepare_socket(LDAP *ld, int s, int proto )
{
- osip_debug(ld, "ldap_prepare_socket: %d\n", s,0,0);
+ osip_debug( ld, "ldap_prepare_socket: %d\n", s, 0, 0 );
-#ifdef TCP_NODELAY
- if( proto == LDAP_PROTO_TCP ) {
+#if defined( SO_KEEPALIVE ) || defined( TCP_NODELAY )
+ if ( proto == LDAP_PROTO_TCP ) {
int dummy = 1;
+#ifdef SO_KEEPALIVE
+ if ( setsockopt( s, SOL_SOCKET, SO_KEEPALIVE,
+ (char*) &dummy, sizeof(dummy) ) == AC_SOCKET_ERROR )
+ {
+ osip_debug( ld, "ldap_prepare_socket: "
+ "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,
(char*) &dummy, sizeof(dummy) ) == AC_SOCKET_ERROR )
{
- osip_debug(ld, "ldap_prepare_socket: "
+ osip_debug( ld, "ldap_prepare_socket: "
"setsockopt(%d, TCP_NODELAY) failed (ignored).\n",
- s, 0, 0);
+ s, 0, 0 );
}
+#endif /* TCP_NODELAY */
}
-#endif
+#endif /* SO_KEEPALIVE || TCP_NODELAY */
return 0;
}
@@ -160,7 +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 )
{
@@ -176,14 +247,18 @@ 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;
- 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;
}
@@ -196,16 +271,147 @@ ldap_pvt_is_socket_ready(LDAP *ld, int s)
#endif /* HAVE_WINSOCK */
+/* NOTE: this is identical to analogous code in os-local.c */
+int
+ldap_int_poll(
+ LDAP *ld,
+ ber_socket_t s,
+ struct timeval *tvp )
+{
+ int rc;
+
+
+ osip_debug(ld, "ldap_int_poll: fd: %d tm: %ld\n",
+ s, tvp ? tvp->tv_sec : -1L, 0);
+
+#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 );
+
+ } while ( rc == AC_SOCKET_ERROR && errno == EINTR &&
+ LDAP_BOOL_GET( &ld->ld_options, LDAP_BOOL_RESTART ) );
+
+ if ( rc == AC_SOCKET_ERROR ) {
+ return rc;
+ }
+
+ if ( timeout == 0 && rc == 0 ) {
+ return -2;
+ }
+
+ 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
+ struct timeval tv = { 0 };
+
+#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
+
+ if ( tvp != NULL ) {
+ tv = *tvp;
+ }
+
+ 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
+ tvp ? &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;
+ }
+
+ if ( rc == 0 && tvp && tvp->tv_sec == 0 && tvp->tv_usec == 0 ) {
+ return -2;
+ }
+
+#ifdef HAVE_WINSOCK
+ /* This means the connection failed */
+ if ( FD_ISSET(s, &efds) ) {
+ int 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 )
+ {
+ /* impossible */
+ so_errno = WSAGetLastError();
+ }
+ ldap_pvt_set_errno( so_errno );
+ osip_debug(ld, "ldap_int_poll: 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
+
+ osip_debug(ld, "ldap_int_poll: timed out\n",0,0,0);
+ ldap_pvt_set_errno( ETIMEDOUT );
+ return -1;
+}
+
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)
{
- struct timeval tv, *opt_tv=NULL;
- fd_set wfds, *z=NULL;
-#ifdef HAVE_WINSOCK
- fd_set efds;
-#endif
+ int rc, err;
+ struct timeval tv, *opt_tv = NULL;
#ifdef LDAP_CONNECTIONLESS
/* We could do a connect() but that would interfere with
@@ -219,84 +425,38 @@ ldap_pvt_connect(LDAP *ld, ber_socket_t s,
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 ( ld->ld_options.ldo_tm_net.tv_sec >= 0 ) {
+ tv = ld->ld_options.ldo_tm_net;
+ opt_tv = &tv;
}
- osip_debug(ld, "ldap_connect_timeout: fd: %d tm: %ld async: %d\n",
+ osip_debug(ld, "ldap_pvt_connect: fd: %d tm: %ld async: %d\n",
s, opt_tv ? tv.tv_sec : -1L, async);
- if ( ldap_pvt_ndelay_on(ld, s) == -1 )
+ if ( opt_tv && ldap_pvt_ndelay_on(ld, s) == -1 )
return ( -1 );
- if ( connect(s, sin, addrlen) != AC_SOCKET_ERROR )
- {
- if ( ldap_pvt_ndelay_off(ld, s) == -1 )
+ if ( connect(s, sin, addrlen) != AC_SOCKET_ERROR ) {
+ if ( opt_tv && ldap_pvt_ndelay_off(ld, s) == -1 )
return ( -1 );
return ( 0 );
}
-#ifdef HAVE_WINSOCK
- ldap_pvt_set_errno( WSAGetLastError() );
-#endif
-
- if ( errno != EINPROGRESS && errno != EWOULDBLOCK ) {
+ err = sock_errno();
+ if ( err != EINPROGRESS && err != EWOULDBLOCK ) {
return ( -1 );
}
-#ifdef notyet
- if ( async ) return ( -2 );
-#endif
+ if ( async ) {
+ /* caller will call ldap_int_poll() as appropriate? */
+ return ( -2 );
+ }
- FD_ZERO(&wfds);
- FD_SET(s, &wfds );
+ rc = ldap_int_poll( ld, s, opt_tv );
-#ifdef HAVE_WINSOCK
- FD_ZERO(&efds);
- FD_SET(s, &efds );
-#endif
-
- if ( select(ldap_int_tblsize, z, &wfds,
-#ifdef HAVE_WINSOCK
- &efds,
-#else
- z,
-#endif
- opt_tv ? &tv : NULL) == AC_SOCKET_ERROR )
- {
- return ( -1 );
- }
+ osip_debug(ld, "ldap_pvt_connect: %d\n", rc, 0, 0);
-#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 );
- }
- osip_debug(ld, "ldap_connect_timeout: timed out\n",0,0,0);
- ldap_pvt_set_errno( ETIMEDOUT );
- return ( -1 );
+ return rc;
}
#ifndef HAVE_INET_ATON
@@ -304,80 +464,171 @@ int
ldap_pvt_inet_aton( const char *host, struct in_addr *in)
{
unsigned long u = inet_addr( host );
- if ( u != 0xffffffff || u != (unsigned long) -1 ) {
- in->s_addr = u;
- return 1;
- }
- return 0;
+
+#ifdef INADDR_NONE
+ if ( u == INADDR_NONE ) return 0;
+#endif
+ if ( u == 0xffffffffUL || u == (unsigned long) -1L ) return 0;
+
+ in->s_addr = u;
+ return 1;
}
#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,
- unsigned long address, int port, int async )
+ int proto, LDAPURLDesc *srv,
+ int async )
{
- struct sockaddr_in sin;
+ int rc;
+ int socktype, port;
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;
+ char *host;
+
+#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 ( 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, "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 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 );
- 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;
- }
+#ifdef LDAP_R_COMPILE
+ /* most getaddrinfo(3) use non-threadsafe resolver libraries */
+ ldap_pvt_thread_mutex_lock(&ldap_int_resolv_mutex);
+#endif
- /* 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;
- }
+ err = getaddrinfo( host, serv, &hints, &res );
- if ( ldap_int_prepare_socket(ld, s, proto ) == -1 ) {
- ldap_pvt_close_socket(ld, s);
- break;
- }
+#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;
+ }
+
+ /* 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;
+ }
- switch (sai->ai_family) {
+ 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];
@@ -396,44 +647,45 @@ ldap_connect_to_host(LDAP *ld, Sockbuf *sb,
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 );
+ rc = ldap_pvt_connect( ld, s,
+ sai->ai_addr, sai->ai_addrlen, async );
+ if ( rc == 0 || rc == -2 ) {
+ err = ldap_int_connect_cbs( ld, sb, &s, srv, sai->ai_addr );
+ if ( err )
+ rc = err;
+ else
break;
- }
- ldap_pvt_close_socket(ld, s);
}
- 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;
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; */
@@ -445,56 +697,71 @@ 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;
- q = use_hp ? (char *)hp->h_addr_list[i] : (char *)&address;
- AC_MEMCPY(p, q, sizeof(sin.sin_addr) );
+ sin.sin_port = htons((unsigned 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) );
+ }
+#ifdef HAVE_INET_NTOA_B
+ {
+ /* for VxWorks */
+ char address[INET_ADDR_LEN];
+ inet_ntoa_b(sin.sin_address, address);
+ osip_debug(ld, "ldap_connect_to_host: Trying %s:%d\n",
+ address, port, 0);
+ }
+#else
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);
+#endif
rc = ldap_pvt_connect(ld, s,
- (struct sockaddr *)&sin, sizeof(struct sockaddr_in),
+ (struct sockaddr *)&sin, sizeof(sin),
async);
if ( (rc == 0) || (rc == -2) ) {
- ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_FD, &s );
- break;
+ i = ldap_int_connect_cbs( ld, sb, &s, srv, (struct sockaddr *)&sin );
+ if ( i )
+ rc = i;
+ else
+ break;
}
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 )
+#if 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;
+ ber_socklen_t len;
+#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 );
}
@@ -504,38 +771,39 @@ 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 );
}
@@ -548,30 +816,43 @@ 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 ) )
{
- 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
-/* for UNIX */
struct selectinfo {
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ int si_maxfd;
+ struct pollfd si_fds[FD_SETSIZE];
+#else
+ /* for UNIX select(2) */
fd_set si_readfds;
fd_set si_writefds;
fd_set si_use_readfds;
fd_set si_use_writefds;
+#endif
};
-
void
ldap_mark_select_write( LDAP *ld, Sockbuf *sb )
{
@@ -581,9 +862,39 @@ ldap_mark_select_write( LDAP *ld, Sockbuf *sb )
sip = (struct selectinfo *)ld->ld_selectinfo;
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
+
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ {
+ int empty=-1;
+ int i;
+ for(i=0; i < sip->si_maxfd; i++) {
+ if( sip->si_fds[i].fd == sd ) {
+ sip->si_fds[i].events |= POLL_WRITE;
+ return;
+ }
+ if( empty==-1 && sip->si_fds[i].fd == -1 ) {
+ empty=i;
+ }
+ }
+
+ if( empty == -1 ) {
+ if( sip->si_maxfd >= FD_SETSIZE ) {
+ /* FIXME */
+ return;
+ }
+ empty = sip->si_maxfd++;
+ }
+
+ sip->si_fds[empty].fd = sd;
+ sip->si_fds[empty].events = POLL_WRITE;
+ }
+#else
+ /* for UNIX select(2) */
if ( !FD_ISSET( sd, &sip->si_writefds )) {
FD_SET( sd, &sip->si_writefds );
}
+#endif
}
@@ -596,9 +907,39 @@ ldap_mark_select_read( LDAP *ld, Sockbuf *sb )
sip = (struct selectinfo *)ld->ld_selectinfo;
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
+
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ {
+ int empty=-1;
+ int i;
+ for(i=0; i < sip->si_maxfd; i++) {
+ if( sip->si_fds[i].fd == sd ) {
+ sip->si_fds[i].events |= POLL_READ;
+ return;
+ }
+ if( empty==-1 && sip->si_fds[i].fd == -1 ) {
+ empty=i;
+ }
+ }
+
+ if( empty == -1 ) {
+ if( sip->si_maxfd >= FD_SETSIZE ) {
+ /* FIXME */
+ return;
+ }
+ empty = sip->si_maxfd++;
+ }
+
+ sip->si_fds[empty].fd = sd;
+ sip->si_fds[empty].events = POLL_READ;
+ }
+#else
+ /* for UNIX select(2) */
if ( !FD_ISSET( sd, &sip->si_readfds )) {
FD_SET( sd, &sip->si_readfds );
}
+#endif
}
@@ -611,8 +952,22 @@ ldap_mark_select_clear( LDAP *ld, Sockbuf *sb )
sip = (struct selectinfo *)ld->ld_selectinfo;
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
+
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ {
+ int i;
+ for(i=0; i < sip->si_maxfd; i++) {
+ if( sip->si_fds[i].fd == sd ) {
+ sip->si_fds[i].fd = -1;
+ }
+ }
+ }
+#else
+ /* for UNIX select(2) */
FD_CLR( sd, &sip->si_writefds );
FD_CLR( sd, &sip->si_readfds );
+#endif
}
@@ -625,7 +980,23 @@ ldap_is_write_ready( LDAP *ld, Sockbuf *sb )
sip = (struct selectinfo *)ld->ld_selectinfo;
ber_sockbuf_ctrl( sb, LBER_SB_OPT_GET_FD, &sd );
+
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ {
+ int i;
+ for(i=0; i < sip->si_maxfd; i++) {
+ if( sip->si_fds[i].fd == sd ) {
+ return sip->si_fds[i].revents & POLL_WRITE;
+ }
+ }
+
+ return 0;
+ }
+#else
+ /* for UNIX select(2) */
return( FD_ISSET( sd, &sip->si_use_writefds ));
+#endif
}
@@ -637,8 +1008,27 @@ 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
+ /* for UNIX poll(2) */
+ {
+ int i;
+ for(i=0; i < sip->si_maxfd; i++) {
+ if( sip->si_fds[i].fd == sd ) {
+ return sip->si_fds[i].revents & POLL_READ;
+ }
+ }
+
+ return 0;
+ }
+#else
+ /* for UNIX select(2) */
return( FD_ISSET( sd, &sip->si_use_readfds ));
+#endif
}
@@ -647,11 +1037,18 @@ ldap_new_select_info( void )
{
struct selectinfo *sip;
- if (( sip = (struct selectinfo *)LDAP_CALLOC( 1,
- sizeof( struct selectinfo ))) != NULL ) {
- FD_ZERO( &sip->si_readfds );
- FD_ZERO( &sip->si_writefds );
- }
+ sip = (struct selectinfo *)LDAP_CALLOC( 1, sizeof( struct selectinfo ));
+
+ if ( sip == NULL ) return NULL;
+
+#ifdef HAVE_POLL
+ /* for UNIX poll(2) */
+ /* sip->si_maxfd=0 */
+#else
+ /* for UNIX select(2) */
+ FD_ZERO( &sip->si_readfds );
+ FD_ZERO( &sip->si_writefds );
+#endif
return( (void *)sip );
}
@@ -664,45 +1061,59 @@ ldap_free_select_info( void *sip )
}
+#ifndef HAVE_POLL
+int ldap_int_tblsize = 0;
+
void
ldap_int_ip_init( void )
{
- int tblsize;
#if defined( HAVE_SYSCONF )
- tblsize = sysconf( _SC_OPEN_MAX );
+ long tblsize = sysconf( _SC_OPEN_MAX );
+ if( tblsize > INT_MAX ) tblsize = INT_MAX;
+
#elif defined( HAVE_GETDTABLESIZE )
- tblsize = getdtablesize();
+ int tblsize = getdtablesize();
#else
- tblsize = FD_SETSIZE;
+ int tblsize = FD_SETSIZE;
#endif /* !USE_SYSCONF */
#ifdef FD_SETSIZE
- if( tblsize > FD_SETSIZE )
- tblsize = FD_SETSIZE;
-#endif /* FD_SETSIZE*/
+ if( tblsize > FD_SETSIZE ) tblsize = FD_SETSIZE;
+#endif /* FD_SETSIZE */
+
ldap_int_tblsize = tblsize;
}
+#endif
int
ldap_int_select( LDAP *ld, struct timeval *timeout )
{
+ int rc;
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();
+#ifndef HAVE_POLL
+ if ( ldap_int_tblsize == 0 ) ldap_int_ip_init();
+#endif
sip = (struct selectinfo *)ld->ld_selectinfo;
+ assert( sip != NULL );
+
+#ifdef HAVE_POLL
+ {
+ int to = timeout ? TV2MILLISEC( timeout ) : INFTIM;
+ rc = poll( sip->si_fds, sip->si_maxfd, to );
+ }
+#else
sip->si_use_readfds = sip->si_readfds;
sip->si_use_writefds = sip->si_writefds;
- return( select( ldap_int_tblsize,
- &sip->si_use_readfds, &sip->si_use_writefds,
- NULL, timeout ));
+ rc = select( ldap_int_tblsize,
+ &sip->si_use_readfds, &sip->si_use_writefds,
+ NULL, timeout );
+#endif
+
+ return rc;
}