diff options
Diffstat (limited to 'ldap/c-sdk/libraries/libldap/cldap.c')
-rw-r--r-- | ldap/c-sdk/libraries/libldap/cldap.c | 585 |
1 files changed, 0 insertions, 585 deletions
diff --git a/ldap/c-sdk/libraries/libldap/cldap.c b/ldap/c-sdk/libraries/libldap/cldap.c deleted file mode 100644 index 829d34c28..000000000 --- a/ldap/c-sdk/libraries/libldap/cldap.c +++ /dev/null @@ -1,585 +0,0 @@ -/* ***** BEGIN LICENSE BLOCK ***** - * Version: MPL 1.1/GPL 2.0/LGPL 2.1 - * - * The contents of this file are subject to the Mozilla Public License Version - * 1.1 (the "License"); you may not use this file except in compliance with - * the License. You may obtain a copy of the License at - * http://www.mozilla.org/MPL/ - * - * Software distributed under the License is distributed on an "AS IS" basis, - * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License - * for the specific language governing rights and limitations under the - * License. - * - * The Original Code is Mozilla Communicator client code, released - * March 31, 1998. - * - * The Initial Developer of the Original Code is - * Netscape Communications Corporation. - * Portions created by the Initial Developer are Copyright (C) 1998-1999 - * the Initial Developer. All Rights Reserved. - * - * Contributor(s): - * - * Alternatively, the contents of this file may be used under the terms of - * either of the GNU General Public License Version 2 or later (the "GPL"), - * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"), - * in which case the provisions of the GPL or the LGPL are applicable instead - * of those above. If you wish to allow use of your version of this file only - * under the terms of either the GPL or the LGPL, and not to allow others to - * use your version of this file under the terms of the MPL, indicate your - * decision by deleting the provisions above and replace them with the notice - * and other provisions required by the GPL or the LGPL. If you do not delete - * the provisions above, a recipient may use your version of this file under - * the terms of any one of the MPL, the GPL or the LGPL. - * - * ***** END LICENSE BLOCK ***** */ -/* - * Copyright (c) 1990, 1994 Regents of the University of Michigan. - * All rights reserved. - */ -/* - * cldap.c - synchronous, retrying interface to the cldap protocol - */ - - -#ifdef CLDAP - -XXX not MT-safe XXX - -#ifndef lint -static char copyright[] = "@(#) Copyright (c) 1990, 1994 Regents of the University of Michigan.\nAll rights reserved.\n"; -#endif - -#include <stdio.h> -#include <string.h> -#include <errno.h> -#ifdef macintosh -#include <stdlib.h> -#include "macos.h" -#else /* macintosh */ -#ifdef DOS -#include "msdos.h" -#else /* DOS */ -#ifdef _WINDOWS -#include <windows.h> -#else /* _WINDOWS */ -#include <sys/time.h> -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <netdb.h> -#endif /* _WINDOWS */ -#endif /* DOS */ -#endif /* macintosh */ - -#include "ldap-int.h" - -#define DEF_CLDAP_TIMEOUT 3 -#define DEF_CLDAP_TRIES 4 - -#ifndef INADDR_LOOPBACK -#define INADDR_LOOPBACK ((unsigned long) 0x7f000001) -#endif - - -struct cldap_retinfo { - int cri_maxtries; - int cri_try; - int cri_useaddr; - long cri_timeout; -}; - -#ifdef NEEDPROTOS -static int add_addr( LDAP *ld, struct sockaddr *sap ); -static int cldap_result( LDAP *ld, int msgid, LDAPMessage **res, - struct cldap_retinfo *crip, char *base ); -static int cldap_parsemsg( LDAP *ld, int msgid, BerElement *ber, - LDAPMessage **res, char *base ); -#else /* NEEDPROTOS */ -static int add_addr(); -static int cldap_result(); -static int cldap_parsemsg(); -#endif /* NEEDPROTOS */ - -/* - * cldap_open - initialize and connect to an ldap server. A magic cookie to - * be used for future communication is returned on success, NULL on failure. - * - * Example: - * LDAP *ld; - * ld = cldap_open( hostname, port ); - */ - -LDAP * -cldap_open( char *host, int port ) -{ - int s; - ldap_x_in_addr_t address; - struct sockaddr_in sock; - struct hostent *hp; - LDAP *ld; - char *p; - int i; - - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_open\n", 0, 0, 0 ); - - if ( port == 0 ) { - port = LDAP_PORT; - } - - if ( (s = socket( AF_INET, SOCK_DGRAM, 0 )) < 0 ) { - return( NULL ); - } - - sock.sin_addr.s_addr = 0; - sock.sin_family = AF_INET; - sock.sin_port = 0; - if ( bind(s, (struct sockaddr *) &sock, sizeof(sock)) < 0) { - close( s ); - return( NULL ); - } - - if (( ld = ldap_init( host, port )) == NULL ) { - close( s ); - return( NULL ); - } - if ( (ld->ld_sbp->sb_fromaddr = (void *)NSLDAPI_CALLOC( 1, - sizeof( struct sockaddr ))) == NULL ) { - NSLDAPI_FREE( ld ); - close( s ); - return( NULL ); - } - ld->ld_sbp->sb_sd = s; - ld->ld_sbp->sb_naddr = 0; - ld->ld_version = LDAP_VERSION2; - - sock.sin_family = AF_INET; - sock.sin_port = htons( port ); - - /* - * 'host' may be a space-separated list. - */ - if ( host != NULL ) { - for ( ; host != NULL; host = p ) { - if (( p = strchr( host, ' ' )) != NULL ) { - for (*p++ = '\0'; *p == ' '; p++) { - ; - } - } - - if ( (address = inet_addr( host )) == -1 ) { -/* XXXmcs: need to use DNS callbacks here XXX */ -XXX - if ( (hp = gethostbyname( host )) == NULL ) { - LDAP_SET_ERRNO( ld, EHOSTUNREACH ); - continue; - } - - for ( i = 0; hp->h_addr_list[ i ] != 0; ++i ) { - SAFEMEMCPY( (char *)&sock.sin_addr.s_addr, - (char *)hp->h_addr_list[ i ], - sizeof(sock.sin_addr.s_addr)); - if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) { - close( s ); - NSLDAPI_FREE( ld ); - return( NULL ); - } - } - - } else { - sock.sin_addr.s_addr = address; - if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) { - close( s ); - NSLDAPI_FREE( ld ); - return( NULL ); - } - } - - if ( ld->ld_host == NULL ) { - ld->ld_host = nsldapi_strdup( host ); - } - } - - } else { - address = INADDR_LOOPBACK; - sock.sin_addr.s_addr = htonl( address ); - if ( add_addr( ld, (struct sockaddr *)&sock ) < 0 ) { - close( s ); - NSLDAPI_FREE( ld ); - return( NULL ); - } - } - - if ( ld->ld_sbp->sb_addrs == NULL - || ( ld->ld_defconn = nsldapi_new_connection( ld, NULL, 1,0,0 )) == NULL ) { - NSLDAPI_FREE( ld ); - return( NULL ); - } - - ld->ld_sbp->sb_useaddr = ld->ld_sbp->sb_addrs[ 0 ]; - cldap_setretryinfo( ld, 0, 0 ); - -#ifdef LDAP_DEBUG - putchar( '\n' ); - for ( i = 0; i < ld->ld_sbp->sb_naddr; ++i ) { - LDAPDebug( LDAP_DEBUG_TRACE, "end of cldap_open address %d is %s\n", - i, inet_ntoa( ((struct sockaddr_in *) - ld->ld_sbp->sb_addrs[ i ])->sin_addr ), 0 ); - } -#endif - - return( ld ); -} - - - -void -cldap_close( LDAP *ld ) -{ - ldap_ld_free( ld, NULL, NULL, 0 ); -} - - -void -cldap_setretryinfo( LDAP *ld, int tries, int timeout ) -{ - ld->ld_cldaptries = ( tries <= 0 ) ? DEF_CLDAP_TRIES : tries; - ld->ld_cldaptimeout = ( timeout <= 0 ) ? DEF_CLDAP_TIMEOUT : timeout; -} - - -int -cldap_search_s( LDAP *ld, char *base, int scope, char *filter, char **attrs, - int attrsonly, LDAPMessage **res, char *logdn ) -{ - int ret, msgid; - struct cldap_retinfo cri; - - *res = NULLMSG; - - (void) memset( &cri, 0, sizeof( cri )); - - if ( logdn != NULL ) { - ld->ld_cldapdn = logdn; - } else if ( ld->ld_cldapdn == NULL ) { - ld->ld_cldapdn = ""; - } - - do { - if ( cri.cri_try != 0 ) { - --ld->ld_msgid; /* use same id as before */ - } - ld->ld_sbp->sb_useaddr = ld->ld_sbp->sb_addrs[ cri.cri_useaddr ]; - - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_search_s try %d (to %s)\n", - cri.cri_try, inet_ntoa( ((struct sockaddr_in *) - ld->ld_sbp->sb_useaddr)->sin_addr ), 0 ); - - if ( (msgid = ldap_search( ld, base, scope, filter, attrs, - attrsonly )) == -1 ) { - return( LDAP_GET_LDERRNO( ld, NULL, NULL ) ); - } -#ifndef NO_CACHE - if ( ld->ld_cache != NULL && ld->ld_responses != NULL ) { - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_search_s res from cache\n", - 0, 0, 0 ); - *res = ld->ld_responses; - ld->ld_responses = ld->ld_responses->lm_next; - return( ldap_result2error( ld, *res, 0 )); - } -#endif /* NO_CACHE */ - ret = cldap_result( ld, msgid, res, &cri, base ); - } while (ret == -1); - - return( ret ); -} - - -static int -add_addr( LDAP *ld, struct sockaddr *sap ) -{ - struct sockaddr *newsap, **addrs; - - if (( newsap = (struct sockaddr *)NSLDAPI_MALLOC( - sizeof( struct sockaddr ))) == NULL ) { - LDAP_SET_LDERRNO( ld, LDAP_NO_MEMORY, NULL, NULL ); - return( -1 ); - } - - if ( ld->ld_sbp->sb_naddr == 0 ) { - addrs = (struct sockaddr **)NSLDAPI_MALLOC( sizeof(struct sockaddr *)); - } else { - addrs = (struct sockaddr **)NSLDAPI_REALLOC( ld->ld_sbp->sb_addrs, - ( ld->ld_sbp->sb_naddr + 1 ) * sizeof(struct sockaddr *)); - } - - if ( addrs == NULL ) { - NSLDAPI_FREE( newsap ); - LDAP_SET_LDERRNO( ld, LDAP_NO_MEMORY, NULL, NULL ); - return( -1 ); - } - - SAFEMEMCPY( (char *)newsap, (char *)sap, sizeof( struct sockaddr )); - addrs[ ld->ld_sbp->sb_naddr++ ] = newsap; - ld->ld_sbp->sb_addrs = (void **)addrs; - return( 0 ); -} - - -static int -cldap_result( LDAP *ld, int msgid, LDAPMessage **res, - struct cldap_retinfo *crip, char *base ) -{ - Sockbuf *sb = ld->ld_sbp; - BerElement ber; - char *logdn; - int ret, fromaddr, i; - ber_int_t id; - struct timeval tv; - - fromaddr = -1; - - if ( crip->cri_try == 0 ) { - crip->cri_maxtries = ld->ld_cldaptries * sb->sb_naddr; - crip->cri_timeout = ld->ld_cldaptimeout; - crip->cri_useaddr = 0; - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_result tries %d timeout %d\n", - ld->ld_cldaptries, ld->ld_cldaptimeout, 0 ); - } - - if ((tv.tv_sec = crip->cri_timeout / sb->sb_naddr) < 1 ) { - tv.tv_sec = 1; - } - tv.tv_usec = 0; - - LDAPDebug( LDAP_DEBUG_TRACE, - "cldap_result waiting up to %d seconds for a response\n", - tv.tv_sec, 0, 0 ); - ber_init_w_nullchar( &ber, 0 ); - nsldapi_set_ber_options( ld, &ber ); - - if ( cldap_getmsg( ld, &tv, &ber ) == -1 ) { - ret = LDAP_GET_LDERRNO( ld, NULL, NULL ); - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_getmsg returned -1 (%d)\n", - ret, 0, 0 ); - } else if ( LDAP_GET_LDERRNO( ld, NULL, NULL ) == LDAP_TIMEOUT ) { - LDAPDebug( LDAP_DEBUG_TRACE, - "cldap_result timed out\n", 0, 0, 0 ); - /* - * It timed out; is it time to give up? - */ - if ( ++crip->cri_try >= crip->cri_maxtries ) { - ret = LDAP_TIMEOUT; - --crip->cri_try; - } else { - if ( ++crip->cri_useaddr >= sb->sb_naddr ) { - /* - * new round: reset address to first one and - * double the timeout - */ - crip->cri_useaddr = 0; - crip->cri_timeout <<= 1; - } - ret = -1; - } - - } else { - /* - * Got a response. It should look like: - * { msgid, logdn, { searchresponse...}} - */ - logdn = NULL; - - if ( ber_scanf( &ber, "ia", &id, &logdn ) == LBER_ERROR ) { - NSLDAPI_FREE( ber.ber_buf ); /* gack! */ - ret = LDAP_DECODING_ERROR; - LDAPDebug( LDAP_DEBUG_TRACE, - "cldap_result: ber_scanf returned LBER_ERROR (%d)\n", - ret, 0, 0 ); - } else if ( id != msgid ) { - NSLDAPI_FREE( ber.ber_buf ); /* gack! */ - LDAPDebug( LDAP_DEBUG_TRACE, - "cldap_result: looking for msgid %d; got %ld\n", - msgid, id, 0 ); - ret = -1; /* ignore and keep looking */ - } else { - /* - * got a result: determine which server it came from - * decode into ldap message chain - */ - for ( fromaddr = 0; fromaddr < sb->sb_naddr; ++fromaddr ) { - if ( memcmp( &((struct sockaddr_in *) - sb->sb_addrs[ fromaddr ])->sin_addr, - &((struct sockaddr_in *)sb->sb_fromaddr)->sin_addr, - sizeof( struct in_addr )) == 0 ) { - break; - } - } - ret = cldap_parsemsg( ld, msgid, &ber, res, base ); - NSLDAPI_FREE( ber.ber_buf ); /* gack! */ - LDAPDebug( LDAP_DEBUG_TRACE, - "cldap_result got result (%d)\n", ret, 0, 0 ); - } - - if ( logdn != NULL ) { - NSLDAPI_FREE( logdn ); - } - } - - - /* - * If we are giving up (successfully or otherwise) then - * abandon any outstanding requests. - */ - if ( ret != -1 ) { - i = crip->cri_try; - if ( i >= sb->sb_naddr ) { - i = sb->sb_naddr - 1; - } - - for ( ; i >= 0; --i ) { - if ( i == fromaddr ) { - continue; - } - sb->sb_useaddr = sb->sb_addrs[ i ]; - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_result abandoning id %d (to %s)\n", - msgid, inet_ntoa( ((struct sockaddr_in *) - sb->sb_useaddr)->sin_addr ), 0 ); - (void) ldap_abandon( ld, msgid ); - } - } - - LDAP_SET_LDERRNO( ld, ret, NULL, NULL ); - return( ret ); -} - - -static int -cldap_parsemsg( LDAP *ld, int msgid, BerElement *ber, - LDAPMessage **res, char *base ) -{ - ber_tag_t tag; - ber_len_t len; - int baselen, slen, rc; - char *dn, *p, *cookie; - LDAPMessage *chain, *prev, *ldm; - struct berval *bv; - - rc = LDAP_DECODING_ERROR; /* pessimistic */ - ldm = chain = prev = NULLMSG; - baselen = ( base == NULL ) ? 0 : strlen( base ); - bv = NULL; - - for ( tag = ber_first_element( ber, &len, &cookie ); - tag != LBER_ERROR && tag != LBER_END_OF_SEQOFSET - && rc != LDAP_SUCCESS; - tag = ber_next_element( ber, &len, cookie )) { - if (( ldm = (LDAPMessage *)NSLDAPI_CALLOC( 1, sizeof(LDAPMessage))) - == NULL ) { - rc = LDAP_NO_MEMORY; - break; /* return with error */ - } else if (( rc = nsldapi_alloc_ber_with_options( ld, &ldm->lm_ber )) - != LDAP_SUCCESS ) { - break; /* return with error*/ - } - ldm->lm_msgid = msgid; - ldm->lm_msgtype = tag; - - if ( tag == LDAP_RES_SEARCH_RESULT ) { - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_parsemsg got search result\n", - 0, 0, 0 ); - - if ( ber_get_stringal( ber, &bv ) == LBER_DEFAULT ) { - break; /* return w/error */ - } - - if ( ber_printf( ldm->lm_ber, "to", tag, bv->bv_val, - bv->bv_len ) == -1 ) { - break; /* return w/error */ - } - ber_bvfree( bv ); - bv = NULL; - rc = LDAP_SUCCESS; - - } else if ( tag == LDAP_RES_SEARCH_ENTRY ) { - if ( ber_scanf( ber, "{aO", &dn, &bv ) == LBER_ERROR ) { - break; /* return w/error */ - } - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_parsemsg entry %s\n", dn, 0, 0 ); - if ( dn != NULL && *(dn + ( slen = strlen(dn)) - 1) == '*' && - baselen > 0 ) { - /* - * substitute original searchbase for trailing '*' - */ - if (( p = (char *)NSLDAPI_MALLOC( slen + baselen )) == NULL ) { - rc = LDAP_NO_MEMORY; - NSLDAPI_FREE( dn ); - break; /* return w/error */ - } - strcpy( p, dn ); - strcpy( p + slen - 1, base ); - NSLDAPI_FREE( dn ); - dn = p; - } - - if ( ber_printf( ldm->lm_ber, "t{so}", tag, dn, bv->bv_val, - bv->bv_len ) == -1 ) { - break; /* return w/error */ - } - NSLDAPI_FREE( dn ); - ber_bvfree( bv ); - bv = NULL; - - } else { - LDAPDebug( LDAP_DEBUG_TRACE, "cldap_parsemsg got unknown tag %d\n", - tag, 0, 0 ); - rc = LDAP_PROTOCOL_ERROR; - break; /* return w/error */ - } - - /* Reset message ber so we can read from it later. Gack! */ - ldm->lm_ber->ber_end = ldm->lm_ber->ber_ptr; - ldm->lm_ber->ber_ptr = ldm->lm_ber->ber_buf; - -#ifdef LDAP_DEBUG - if ( ldap_debug & LDAP_DEBUG_PACKETS ) { - char msg[80]; - sprintf( msg, "cldap_parsemsg add message id %d type %d:\n", - ldm->lm_msgid, ldm->lm_msgtype ); - ber_err_print( msg ); - ber_dump( ldm->lm_ber, 1 ); - } -#endif /* LDAP_DEBUG */ - -#ifndef NO_CACHE - if ( ld->ld_cache != NULL ) { - nsldapi_add_result_to_cache( ld, ldm ); - } -#endif /* NO_CACHE */ - - if ( chain == NULL ) { - chain = ldm; - } else { - prev->lm_chain = ldm; - } - prev = ldm; - ldm = NULL; - } - - /* dispose of any leftovers */ - if ( ldm != NULL ) { - if ( ldm->lm_ber != NULLBER ) { - ber_free( ldm->lm_ber, 1 ); - } - NSLDAPI_FREE( ldm ); - } - if ( bv != NULL ) { - ber_bvfree( bv ); - } - - /* return chain, calling result2error if we got anything at all */ - *res = chain; - return(( *res == NULLMSG ) ? rc : ldap_result2error( ld, *res, 0 )); -} -#endif /* CLDAP */ |