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https://git.openldap.org/openldap/openldap.git
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4f4f59f333
strerror() as strerror() may not be thread safe. Likely should be used by SLAPD.
221 lines
4.4 KiB
C
221 lines
4.4 KiB
C
/* $OpenLDAP$ */
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/*
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* Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
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* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
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*/
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/* Portions
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* Copyright (c) 1995 Regents of the University of Michigan.
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* All rights reserved.
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* Copyright (c) 1999 PADL Software Pty Ltd.
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* os-ip.c -- platform-specific domain socket code
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*/
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#include "portable.h"
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#ifdef LDAP_PF_UNIX
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#include <stdio.h>
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#include <ac/stdlib.h>
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#include <ac/errno.h>
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#include <ac/socket.h>
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#include <ac/string.h>
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#include <ac/time.h>
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#include <ac/unistd.h>
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/* XXX non-portable */
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#include <sys/stat.h>
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#ifdef HAVE_IO_H
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#include <io.h>
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#endif /* HAVE_IO_H */
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#include "ldap-int.h"
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#include "ldap_defaults.h"
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/* int ldap_int_tblsize = 0; */
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#define oslocal_debug(ld,fmt,arg1,arg2,arg3) \
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do { \
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ldap_log_printf(ld, LDAP_DEBUG_TRACE, fmt, arg1, arg2, arg3); \
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} while(0)
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static void
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ldap_pvt_set_errno(int err)
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{
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errno = err;
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}
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static int
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ldap_pvt_ndelay_on(LDAP *ld, int fd)
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{
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oslocal_debug(ld, "ldap_ndelay_on: %d\n",fd,0,0);
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return ber_pvt_socket_set_nonblock( fd, 1 );
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}
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static int
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ldap_pvt_ndelay_off(LDAP *ld, int fd)
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{
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oslocal_debug(ld, "ldap_ndelay_off: %d\n",fd,0,0);
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return ber_pvt_socket_set_nonblock( fd, 0 );
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}
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static ber_socket_t
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ldap_pvt_socket(LDAP *ld)
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{
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ber_socket_t s = socket(AF_UNIX, SOCK_STREAM, 0);
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oslocal_debug(ld, "ldap_new_socket: %d\n",s,0,0);
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return ( s );
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}
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static int
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ldap_pvt_close_socket(LDAP *ld, int s)
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{
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oslocal_debug(ld, "ldap_close_socket: %d\n",s,0,0);
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return tcp_close(s);
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}
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#undef TRACE
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#define TRACE do { \
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oslocal_debug(ld, \
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"ldap_is_socket_ready: errror on socket %d: errno: %d (%s)\n", \
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s, \
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errno, \
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STRERROR(errno) ); \
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} while( 0 )
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/*
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* check the socket for errors after select returned.
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*/
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static int
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ldap_pvt_is_socket_ready(LDAP *ld, int s)
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{
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oslocal_debug(ld, "ldap_is_sock_ready: %d\n",s,0,0);
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#if defined( notyet ) /* && defined( SO_ERROR ) */
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{
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int so_errno;
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int dummy = sizeof(so_errno);
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if ( getsockopt( s, SOL_SOCKET, SO_ERROR, &so_errno, &dummy ) == -1 ) {
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return -1;
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}
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if ( so_errno ) {
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ldap_pvt_set_errno(so_errno);
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TRACE;
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return -1;
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}
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return 0;
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}
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#else
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{
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/* error slippery */
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struct sockaddr_un sa;
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char ch;
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int dummy = sizeof(sa);
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if ( getpeername( s, (struct sockaddr *) &sa, &dummy ) == -1 ) {
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/* XXX: needs to be replace with ber_stream_read() */
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read(s, &ch, 1);
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TRACE;
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return -1;
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}
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return 0;
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}
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#endif
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return -1;
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}
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#undef TRACE
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static int
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ldap_pvt_connect(LDAP *ld, ber_socket_t s, struct sockaddr_un *sa, int async)
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{
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struct timeval tv, *opt_tv=NULL;
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fd_set wfds, *z=NULL;
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if ( (opt_tv = ld->ld_options.ldo_tm_net) != NULL ) {
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tv.tv_usec = opt_tv->tv_usec;
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tv.tv_sec = opt_tv->tv_sec;
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}
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oslocal_debug(ld, "ldap_connect_timeout: fd: %d tm: %ld async: %d\n",
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s, opt_tv ? tv.tv_sec : -1L, async);
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if ( ldap_pvt_ndelay_on(ld, s) == -1 )
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return ( -1 );
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if ( connect(s, (struct sockaddr *) sa, sizeof(struct sockaddr_un)) == 0 )
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{
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if ( ldap_pvt_ndelay_off(ld, s) == -1 )
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return ( -1 );
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return ( 0 );
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}
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if ( errno != EINPROGRESS && errno != EWOULDBLOCK ) {
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return ( -1 );
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}
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#ifdef notyet
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if ( async ) return ( -2 );
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#endif
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FD_ZERO(&wfds);
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FD_SET(s, &wfds );
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if ( select(ldap_int_tblsize, z, &wfds, z, opt_tv ? &tv : NULL) == -1)
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return ( -1 );
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if ( FD_ISSET(s, &wfds) ) {
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if ( ldap_pvt_is_socket_ready(ld, s) == -1 )
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return ( -1 );
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if ( ldap_pvt_ndelay_off(ld, s) == -1 )
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return ( -1 );
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return ( 0 );
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}
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oslocal_debug(ld, "ldap_connect_timeout: timed out\n",0,0,0);
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ldap_pvt_set_errno( ETIMEDOUT );
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return ( -1 );
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}
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int
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ldap_connect_to_path(LDAP *ld, Sockbuf *sb, const char *path, int async)
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{
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struct sockaddr_un server;
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ber_socket_t s = AC_SOCKET_INVALID;
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int rc, i, len;
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char *ha_buf=NULL, *p, *q;
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oslocal_debug(ld, "ldap_connect_to_path\n",0,0,0);
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if ( (s = ldap_pvt_socket( ld )) == -1 ) {
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return -1;
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}
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if ( path == NULL || path[0] == '\0' ) {
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path = LDAPI_SOCK;
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} else {
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if ( strlen(path) > (sizeof( server.sun_path ) - 1) ) {
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ldap_pvt_set_errno( ENAMETOOLONG );
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return -1;
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}
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}
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oslocal_debug(ld, "ldap_connect_to_path: Trying %s\n", path, 0, 0);
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memset( &server, '\0', sizeof(server) );
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server.sun_family = AF_UNIX;
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strcpy( server.sun_path, path );
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rc = ldap_pvt_connect(ld, s, &server, async);
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if (rc == 0) {
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ber_sockbuf_ctrl( sb, LBER_SB_OPT_SET_FD, (void *)&s );
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} else {
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ldap_pvt_close_socket(ld, s);
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}
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return rc;
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}
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#else
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static int dummy;
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#endif /* LDAP_PF_UNIX */
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