]> git.sur5r.net Git - openldap/commitdiff
LDAPv3 referrals changes by Steve Sonntag @ Novell
authorKurt Zeilenga <kurt@openldap.org>
Wed, 31 May 2000 17:34:43 +0000 (17:34 +0000)
committerKurt Zeilenga <kurt@openldap.org>
Wed, 31 May 2000 17:34:43 +0000 (17:34 +0000)
include/ldap.h
libraries/libldap/bind.c
libraries/libldap/cldap.c
libraries/libldap/ldap-int.h
libraries/libldap/open.c
libraries/libldap/options.c
libraries/libldap/request.c
libraries/libldap/result.c
libraries/libldap/search.c
libraries/libldap/test.c
libraries/libldap/url.c

index 989cf973bcf1163f920f0376a733b373916eb9e2..fee3e0035910437122bbf6937e66cf642839cf9b 100644 (file)
@@ -548,6 +548,13 @@ ldap_set_option LDAP_P((
        int option,
        LDAP_CONST void *invalue));
 
+/* V3 REBIND Function Callback Prototype */
+typedef int (LDAP_REBIND_PROC) ( LDAP *ld, LDAP_CONST char *url, int request, ber_int_t msgid);
+
+LIBLDAP_F( int )
+ldap_set_rebind_proc LDAP_P((
+       LDAP *ld,
+       LDAP_REBIND_PROC *ldap_proc));
 
 /*
  * in controls.c:
index 95de07f0ffe3504cc7e81eaf2431990901e8a41c..f985b3b0d937f50deaf4d881896e7bb11b0215ce 100644 (file)
@@ -130,14 +130,3 @@ ldap_bind_s(
                return( ld->ld_errno = LDAP_AUTH_UNKNOWN );
        }
 }
-
-
-void
-ldap_set_rebind_proc( LDAP *ld, int (*rebindproc)( LDAP *ld, char **dnp,
-       char **passwdp, int *authmethodp, int freeit ))
-{
-       assert( ld != NULL );
-       assert( LDAP_VALID( ld ) );
-
-       ld->ld_rebindproc = rebindproc;
-}
index 0bf0c44b42283ae7101aba6ef69fe3388c753043..0b03b2ad8d72c47906ee3fa82410b0f7ae171631 100644 (file)
@@ -162,7 +162,7 @@ cldap_open( LDAP_CONST char *host, int port )
     }
 
     if ( ld->ld_cldapaddrs == NULL
-           || ( ld->ld_defconn = ldap_new_connection( ld, NULL, 1,0,0 )) == NULL
+           || ( ld->ld_defconn = ldap_new_connection( ld, NULL, 1,0,NULL )) == NULL
            ) {
        ldap_ld_free( ld, 0, NULL, NULL );
        DO_RETURN( NULL );
index 8f9ec899c873296293d6e6b32c8ef0e220c72ceb..df499916be17a62f8f4b56bcb7eb8b90e2e1546f 100644 (file)
@@ -119,6 +119,9 @@ struct ldapoptions {
        /* LDAPv3 server and client controls */
        LDAPControl     **ldo_sctrls;
        LDAPControl **ldo_cctrls;
+       /* LDAPV3 rebind callback function
+       */
+       LDAP_REBIND_PROC                *ldo_rebindproc;
 
 #ifdef HAVE_TLS
        /* tls context */
@@ -152,6 +155,8 @@ typedef struct ldap_conn {
        Sockbuf                 *lconn_sb;
        int                     lconn_refcnt;
        time_t          lconn_lastused; /* time */
+       int                     lconn_rebind_inprogress;        /* set if rebind in progress */
+       char            ***lconn_rebind_queue;          /* used if rebind in progress */
        int                     lconn_status;
 #define LDAP_CONNST_NEEDSOCKET         1
 #define LDAP_CONNST_CONNECTING         2
@@ -169,6 +174,7 @@ typedef struct ldap_conn {
 typedef struct ldapreq {
        ber_int_t               lr_msgid;       /* the message id */
        int             lr_status;      /* status of request */
+#define LDAP_REQST_COMPLETED   0
 #define LDAP_REQST_INPROGRESS  1
 #define LDAP_REQST_CHASINGREFS 2
 #define LDAP_REQST_NOTCONNECTED        3
@@ -204,6 +210,15 @@ typedef struct ldapcache {
 #define LDAP_CACHE_OPT_CACHEALLERRS    0x00000002
 }  LDAPCache;
 
+/*
+ * structure containing referral request info for rebind procedure
+ */
+typedef struct ldapreqinfo {
+       ber_len_t       ri_msgid;
+       int                     ri_request;
+       char            *ri_url;
+} LDAPreqinfo;
+
 /*
  * handy macro for checking if handle is connectionless
  */
@@ -237,6 +252,7 @@ struct ldap {
 
 #define ld_sctrls              ld_options.ldo_sctrls
 #define ld_cctrls              ld_options.ldo_cctrls
+#define ld_rebindproc  ld_options.ldo_rebindproc
 
 #define ld_version             ld_options.ldo_version  
        char    *ld_host;
@@ -272,9 +288,6 @@ struct ldap {
        LDAPConn        *ld_defconn;    /* default connection */
        LDAPConn        *ld_conns;      /* list of server connections */
        void            *ld_selectinfo; /* platform specifics for select */
-       int             (*ld_rebindproc)( struct ldap *ld, char **dnp,
-                               char **passwdp, int *authmethodp, int freeit );
-                               /* routine to get info needed for re-bind */
 #ifdef HAVE_CYRUS_SASL
        sasl_conn_t             *ld_sasl_context;
 #endif /* HAVE_CYRUS_SASL */
@@ -409,14 +422,15 @@ LIBLDAP_F (ber_int_t) ldap_send_initial_request( LDAP *ld, ber_tag_t msgtype,
 LIBLDAP_F (BerElement *) ldap_alloc_ber_with_options( LDAP *ld );
 LIBLDAP_F (void) ldap_set_ber_options( LDAP *ld, BerElement *ber );
 
-LIBLDAP_F (int) ldap_send_server_request( LDAP *ld, BerElement *ber, ber_int_t msgid, LDAPRequest *parentreq, LDAPURLDesc *srvlist, LDAPConn *lc, int bind );
-LIBLDAP_F (LDAPConn *) ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb, int connect, int bind );
+LIBLDAP_F (int) ldap_send_server_request( LDAP *ld, BerElement *ber, ber_int_t msgid, LDAPRequest *parentreq, LDAPURLDesc *srvlist, LDAPConn *lc, LDAPreqinfo *bind );
+LIBLDAP_F (LDAPConn *) ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb, int connect, LDAPreqinfo *bind );
 LIBLDAP_F (LDAPRequest *) ldap_find_request_by_msgid( LDAP *ld, ber_int_t msgid );
 LIBLDAP_F (void) ldap_free_request( LDAP *ld, LDAPRequest *lr );
 LIBLDAP_F (void) ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind );
 LIBLDAP_F (void) ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all );
 LIBLDAP_F (void) ldap_dump_requests_and_responses( LDAP *ld );
 LIBLDAP_F (int) ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp );
+LIBLDAP_F (int) ldap_chase_v3referrals( LDAP *ld, LDAPRequest *lr, char **refs, char **referralsp, int *hadrefp );
 LIBLDAP_F (int) ldap_append_referral( LDAP *ld, char **referralsp, char *s );
 
 /*
index dc039edfe035e89fbcbba7cc1470cf3c6638fbc2..955733482f3b09ed237bc295214e8d70be253e48 100644 (file)
@@ -25,7 +25,7 @@
 
 int ldap_open_defconn( LDAP *ld )
 {
-       if (( ld->ld_defconn = ldap_new_connection( ld, ld->ld_options.ldo_defludp, 1,1,0 )) == NULL )
+       if (( ld->ld_defconn = ldap_new_connection( ld, ld->ld_options.ldo_defludp, 1,1,NULL )) == NULL )
        {
                ld->ld_errno = LDAP_SERVER_DOWN;
                return -1;
index 16376c1b5a4d344b3be2f36d0013aa3103812264..47e77e624732b8a8aaec1a1570e38c4aa7c5a834 100644 (file)
@@ -16,6 +16,8 @@
 
 #include "ldap-int.h"
 
+#define LDAP_OPT_REBIND_PROC 0x4e814d
+
 static const LDAPAPIFeatureInfo features[] = {
 #ifdef LDAP_API_FEATURE_X_OPENLDAP
        {       /* OpenLDAP Extensions API Feature */
@@ -420,6 +422,11 @@ ldap_set_option(
                                return LDAP_OPT_ERROR;
                        }
                } return LDAP_OPT_SUCCESS;
+
+       /* Only accessed from inside this function by ldap_set_rebind_proc() */
+       case LDAP_OPT_REBIND_PROC: {
+                       lo->ldo_rebindproc = (LDAP_REBIND_PROC *)invalue;               
+               } return LDAP_OPT_SUCCESS;
        }
 
        if(invalue == NULL) {
@@ -588,3 +595,9 @@ ldap_set_option(
        }
        return LDAP_OPT_ERROR;
 }
+
+LIBLDAP_F(int)
+ldap_set_rebind_proc( LDAP *ld, LDAP_REBIND_PROC *rebind_proc)
+{
+       return( ldap_set_option( ld, LDAP_OPT_REBIND_PROC, (void *)rebind_proc));
+}
index 12d807416d21ae25178bc1aeb7f96c24607273ca..1f28aa1dab9cbc0f268af6c2c32a109686e2cdd6 100644 (file)
@@ -6,6 +6,23 @@
 /*  Portions
  *  Copyright (c) 1995 Regents of the University of Michigan.
  *  All rights reserved.
+ ******************************************************************************
+ * This notice applies to changes, created by or for Novell, Inc.,
+ * to preexisting works for which notices appear elsewhere in this file.
+ *
+ * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
+ *
+ * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
+ * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
+ * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
+ * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
+ * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
+ * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
+ * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
+ * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY. 
+ ******************************************************************************
+ * Modification to OpenLDAP source by Novell, Inc.
+ * April 2000 sfs  Added code to chase V3 referrals
  *
  *  request.c - sending of ldap requests; handling of referrals
  */
@@ -36,7 +53,8 @@ static BerElement *re_encode_request LDAP_P((
        LDAP *ld,
        BerElement *origber,
     ber_int_t msgid,
-       char **dnp ));
+       char **dnp,
+       int      *type));
 
 
 BerElement *
@@ -132,7 +150,7 @@ ldap_send_initial_request(
        }       
 
        rc = ldap_send_server_request( ld, ber, ld->ld_msgid, NULL,
-                                                                       servers, NULL, 0 );
+                                                                       servers, NULL, NULL );
        if (servers)
                ldap_free_urllist(servers);
        return(rc);
@@ -148,7 +166,7 @@ ldap_send_server_request(
        LDAPRequest *parentreq,
        LDAPURLDesc *srvlist,
        LDAPConn *lc,
-       int bind )
+       LDAPreqinfo *bind )
 {
        LDAPRequest     *lr;
        int incparent;
@@ -164,7 +182,7 @@ ldap_send_server_request(
                } else {
                        if (( lc = find_connection( ld, srvlist, 1 )) ==
                            NULL ) {
-                               if ( bind && (parentreq != NULL) ) {
+                               if ( (bind != NULL) && (parentreq != NULL) ) {
                                        /* Remember the bind in the parent */
                                        incparent = 1;
                                        ++parentreq->lr_outrefcnt;
@@ -255,12 +273,13 @@ ldap_send_server_request(
 
 LDAPConn *
 ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb,
-       int connect, int bind )
+       int connect, LDAPreqinfo *bind )
 {
        LDAPConn        *lc;
        LDAPURLDesc     *srv;
        Sockbuf         *sb;
 
+       Debug( LDAP_DEBUG_TRACE, "ldap_new_connection\n", 0, 0, 0 );
        /*
         * make a new LDAP server connection
         * XXX open connection synchronously for now
@@ -305,50 +324,58 @@ ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb,
         * XXX for now, we always do a synchronous bind.  This will have
         * to change in the long run...
         */
-       if ( bind ) {
-               int             err, freepasswd, authmethod;
-               char            *binddn, *passwd;
+       if ( bind != NULL) {
+               int             err = 0;
                LDAPConn        *savedefconn;
 
-               freepasswd = err = 0;
-
-               if ( ld->ld_rebindproc == 0 ) {
-                       binddn = passwd = "";
-                       authmethod = LDAP_AUTH_SIMPLE;
-               } else {
-                       if (( err = (*ld->ld_rebindproc)( ld, &binddn, &passwd,
-                           &authmethod, 0 )) == LDAP_SUCCESS ) {
-                               freepasswd = 1;
+               /* Set flag to prevent additional referrals from being processed on this
+                * connection until the bind has completed
+                */
+               lc->lconn_rebind_inprogress = 1;
+               /* V3 rebind function */
+               if ( ld->ld_rebindproc != NULL) {
+                       LDAPURLDesc     *srvfunc;
+                       if( ( srvfunc = ldap_url_dup( srvlist)) == NULL) {
+                               ld->ld_errno = LDAP_NO_MEMORY;
+                               err = -1;
                        } else {
-                               ld->ld_errno = err;
+                               savedefconn = ld->ld_defconn;
+                               ++lc->lconn_refcnt;     /* avoid premature free */
+                               ld->ld_defconn = lc;
+
+                               Debug( LDAP_DEBUG_TRACE, "Call application rebindproc\n", 0, 0, 0);
+                               err = (*ld->ld_rebindproc)( ld, bind->ri_url, bind->ri_request, bind->ri_msgid);
+
+                               ld->ld_defconn = savedefconn;
+                               --lc->lconn_refcnt;
+
+                               if( err != 0) {
                                err = -1;
+                                       ldap_free_connection( ld, lc, 1, 0 );
+                                       lc = NULL;
                        }
+                               ldap_free_urldesc( srvfunc);
                }
-
-
-               if ( err == 0 ) {
+               } else {
                        savedefconn = ld->ld_defconn;
-                       ld->ld_defconn = lc;
                        ++lc->lconn_refcnt;     /* avoid premature free */
+                       ld->ld_defconn = lc;
 
-                       if ( ldap_bind_s( ld, binddn, passwd, authmethod ) !=
-                           LDAP_SUCCESS ) {
+                       Debug( LDAP_DEBUG_TRACE, "anonymous rebind via ldap_bind_s\n", 0, 0, 0);
+                       if ( ldap_bind_s( ld, "", "", LDAP_AUTH_SIMPLE ) != LDAP_SUCCESS ) {
                                err = -1;
                        }
-                       --lc->lconn_refcnt;
                        ld->ld_defconn = savedefconn;
-               }
-
-               if ( freepasswd ) {
-                       (*ld->ld_rebindproc)( ld, &binddn, &passwd,
-                               &authmethod, 1 );
-               }
+                       --lc->lconn_refcnt;
 
                if ( err != 0 ) {
                        ldap_free_connection( ld, lc, 1, 0 );
                        lc = NULL;
                }
        }
+               if( lc != NULL)
+                       lc->lconn_rebind_inprogress = 0;
+       }
 
        return( lc );
 }
@@ -434,6 +461,13 @@ ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind )
                if ( lc->lconn_sb != &ld->ld_sb ) {
                        ber_sockbuf_free( lc->lconn_sb );
                }
+               if( lc->lconn_rebind_queue != NULL) {
+                       int i;
+                       for( i = 0; lc->lconn_rebind_queue[i] != NULL; i++) {
+                               free_strarray(lc->lconn_rebind_queue[i]);
+                       }
+                       LDAP_FREE( lc->lconn_rebind_queue);
+               }
                LDAP_FREE( lc );
                Debug( LDAP_DEBUG_TRACE, "ldap_free_connection: actually freed\n",
                    0, 0, 0 );
@@ -465,8 +499,24 @@ ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all )
                    ( lc->lconn_status == LDAP_CONNST_NEEDSOCKET ) ?
                    "NeedSocket" : ( lc->lconn_status ==
                    LDAP_CONNST_CONNECTING ) ? "Connecting" : "Connected" );
-               fprintf( stderr, "  last used: %s\n",
+               fprintf( stderr, "  last used: %s",
                    ldap_pvt_ctime( &lc->lconn_lastused, timebuf ));
+               if( lc->lconn_rebind_inprogress ) {
+                       fprintf( stderr, "  rebind in progress\n");
+                       if( lc->lconn_rebind_queue != NULL) {
+                               int i = 0;
+                               for( ;lc->lconn_rebind_queue[i] != NULL; i++) {
+                                       int j = 0;
+                                       for( ;lc->lconn_rebind_queue[i][j] != 0; j++) {
+                                               fprintf( stderr, "    queue %d entry %d - %s\n",
+                                                       i, j, lc->lconn_rebind_queue[i][j]);
+                                       }
+                               }
+                       } else {
+                               fprintf( stderr, "    queue is empty\n");
+                       }
+               }
+               fprintf(stderr, "\n");
                if ( !all ) {
                        break;
                }
@@ -486,11 +536,12 @@ ldap_dump_requests_and_responses( LDAP *ld )
        }
        for ( ; lr != NULL; lr = lr->lr_next ) {
            fprintf( stderr, " * msgid %d,  origid %d, status %s\n",
-               lr->lr_msgid, lr->lr_origid, ( lr->lr_status ==
-               LDAP_REQST_INPROGRESS ) ? "InProgress" :
+               lr->lr_msgid, lr->lr_origid,
+               ( lr->lr_status == LDAP_REQST_INPROGRESS ) ? "InProgress" :
                ( lr->lr_status == LDAP_REQST_CHASINGREFS ) ? "ChasingRefs" :
                ( lr->lr_status == LDAP_REQST_NOTCONNECTED ) ? "NotConnected" :
-               "Writing" );
+               ( lr->lr_status == LDAP_REQST_WRITING) ? "Writing" :
+               ( lr->lr_status == LDAP_REQST_COMPLETED ? "Request Completed" : "Invalid Status"));
            fprintf( stderr, "   outstanding referrals %d, parent count %d\n",
                    lr->lr_outrefcnt, lr->lr_parentcnt );
        }
@@ -559,6 +610,197 @@ ldap_free_request( LDAP *ld, LDAPRequest *lr )
        LDAP_FREE( lr );
 }
 
+/*
+ * Chase v3 referrals
+ *
+ * Parameters:
+ *  (IN) ld = LDAP connection handle
+ *  (IN) lr = LDAP Request structure
+ *  (IN) refs = array of pointers to referral strings that we will chase
+ *              The array will be free'd by this function when no longer needed
+ *  (OUT) errstrp = Place to return a string of referrals which could not be followed
+ *  (OUT) hadrefp = 1 if sucessfully followed referral
+ *
+ * Return value - number of referrals followed
+ */
+LIBLDAP_F(int)
+ldap_chase_v3referrals( LDAP *ld, LDAPRequest *lr, char **refs, char **errstrp, int *hadrefp )
+{
+       char            *unfollowed;
+       int                      unfollowedcnt = 0;
+       LDAPRequest     *origreq;
+       LDAPURLDesc     *srv = NULL;
+       BerElement      *ber;
+       char            **refarray = NULL;
+       LDAPConn        *lc;
+       int                      rc, count, i, j;
+       LDAPreqinfo  rinfo;
+
+       ld->ld_errno = LDAP_SUCCESS;    /* optimistic */
+       *hadrefp = 0;
+
+       Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referrals\n", 0, 0, 0 );
+
+       unfollowed = NULL;
+       rc = count = 0;
+
+       /* If no referrals in array, return */
+       if ( (refs == NULL) || ( (refs)[0] == NULL) ) {
+               rc = 0;
+               goto done;
+       }
+
+       /* Check for hop limit exceeded */
+       if ( lr->lr_parentcnt >= ld->ld_refhoplimit ) {
+               Debug( LDAP_DEBUG_ANY,
+                   "more than %d referral hops (dropping)\n", ld->ld_refhoplimit, 0, 0 );
+               ld->ld_errno = LDAP_REFERRAL_LIMIT_EXCEEDED;
+           rc = -1;
+               goto done;
+       }
+
+       /* find original request */
+       for ( origreq = lr; origreq->lr_parent != NULL; origreq = origreq->lr_parent ) {
+               ;
+       }
+
+       refarray = refs;
+       refs = NULL;
+       /* parse out & follow referrals */
+       for( i=0; refarray[i] != NULL; i++) {
+
+               /* Parse the referral URL */
+               if (( rc = ldap_url_parse( refarray[i], &srv)) != LDAP_SUCCESS) {
+                       ld->ld_errno = rc;
+                       rc = -1;
+                       goto done;
+               }
+
+               /* check connection for re-bind in progress */
+               if (( lc = find_connection( ld, srv, 1 )) != NULL ) {
+                       if( lc->lconn_rebind_inprogress) {
+                               /* We are already chasing a referral or search reference and a
+                                * bind on that connection is in progress.  We must queue
+                                * referrals on that connection, so we don't get a request
+                                * going out before the bind operation completes. This happens
+                                * if two search references come in one behind the other
+                                * for the same server with different contexts.
+                                */
+                               Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referrals: queue referral \"%s\"\n",
+                                       refarray[i], 0, 0);
+                               if( lc->lconn_rebind_queue == NULL ) {
+                                       /* Create a referral list */
+                                       if( (lc->lconn_rebind_queue = (char ***)LDAP_MALLOC( sizeof(void *) * 2)) == NULL) {
+                                               ld->ld_errno = LDAP_NO_MEMORY;
+                                               rc = -1;
+                                               goto done;
+                                       }
+                                       lc->lconn_rebind_queue[0] = refarray;
+                                       lc->lconn_rebind_queue[1] = NULL;
+                                       refarray = NULL;
+                               } else {
+                                       /* Count how many referral arrays we already have */
+                                       for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++) {
+                                               ;
+                                       }
+                                       /* Add the new referral to the list */
+                                       if( (lc->lconn_rebind_queue = (char ***)LDAP_REALLOC(
+                                                       lc->lconn_rebind_queue, sizeof(void *) * (j + 2))) == NULL) {
+                                               ld->ld_errno = LDAP_NO_MEMORY;
+                                               rc = -1;
+                                               goto done;
+                                       }
+                                       lc->lconn_rebind_queue[j] = refarray;
+                                       lc->lconn_rebind_queue[j+1] = NULL;
+                                       refarray = NULL;
+                               }
+                               /* We have queued the referral/reference, now just return */
+                               rc = 0;
+                               *hadrefp = 1;
+                               count = 1; /* Pretend we already followed referral */
+                               goto done;
+                       }
+               } 
+               /* Re-encode the request with the new starting point of the search.
+                * Note: In the future we also need to replace the filter if one
+                * was provided with the search reference
+                */
+               if (( ber = re_encode_request( ld, origreq->lr_ber,
+                           ++ld->ld_msgid, &srv->lud_dn, &rinfo.ri_request )) == NULL ) {
+                       ld->ld_errno = LDAP_ENCODING_ERROR;
+                       rc = -1;
+                       goto done;
+               }
+
+               Debug( LDAP_DEBUG_TRACE, "ldap_chase_v3referral: msgid %d, url \"%s\"\n",
+                       lr->lr_msgid, refarray[i], 0);
+
+               /* Send the new request to the server - may require a bind */
+               rinfo.ri_msgid = origreq->lr_origid;
+               rinfo.ri_url = refarray[i];
+               if ( (rc = ldap_send_server_request( ld, ber, ld->ld_msgid,
+                       origreq, srv, NULL, &rinfo )) < 0 ) {
+                       /* Failure, try next referral in the list */
+                       Debug( LDAP_DEBUG_ANY, "Unable to chase referral \"%s\" (%s)\n", 
+                               refarray[i], ldap_err2string( ld->ld_errno ), 0);
+                       unfollowedcnt += ldap_append_referral( ld, &unfollowed, refarray[i]);
+                       ldap_free_urllist(srv);
+                       srv = NULL;
+               } else {
+                       /* Success, no need to try this referral list further */
+                       rc = 0;
+                       ++count;
+                       *hadrefp = 1;
+
+                       /* check if there is a queue of referrals that came in during bind */
+                       if( lc == NULL) {
+                               if (( lc = find_connection( ld, srv, 1 )) == NULL ) {
+                                       ld->ld_errno = LDAP_OPERATIONS_ERROR;
+                                       rc = -1;
+                                       goto done;
+                               }
+                       }
+
+                       if( lc->lconn_rebind_queue != NULL) {
+                               /* Release resources of previous list */
+                               free_strarray(refarray);
+                               refarray = NULL;
+                               ldap_free_urllist(srv);
+                               srv = NULL;
+
+                               /* Pull entries off end of queue so list always null terminated */
+                               for( j = 0; lc->lconn_rebind_queue[j] != NULL; j++) {
+                                       ;
+                               }
+                               refarray = lc->lconn_rebind_queue[j-1];
+                               lc->lconn_rebind_queue[j-1] = NULL;
+                               /* we pulled off last entry from queue, free queue */
+                               if ( j == 1 ) {
+                                       LDAP_FREE( lc->lconn_rebind_queue);
+                                       lc->lconn_rebind_queue = NULL;
+                               }
+                               /* restart the loop the with new referral list */
+                               i = -1;
+                               continue;
+                       }
+                       break; /* referral followed, break out of for loop */
+               }
+       } /* end for loop */
+done:
+       free_strarray(refarray);
+       ldap_free_urllist(srv);
+       LDAP_FREE( *errstrp );
+       
+       if( rc == 0) {
+               *errstrp = NULL;
+               LDAP_FREE( unfollowed );
+               return count;
+       } else {
+               ld->ld_errno = LDAP_REFERRAL;
+               *errstrp = unfollowed;
+               return rc;
+       }
+}
 
 /*
  * XXX merging of errors in this routine needs to be improved
@@ -574,6 +816,7 @@ ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp )
        LDAPRequest     *origreq;
        LDAPURLDesc     *srv;
        BerElement      *ber;
+       LDAPreqinfo  rinfo;
 
        Debug( LDAP_DEBUG_TRACE, "ldap_chase_referrals\n", 0, 0, 0 );
 
@@ -665,7 +908,7 @@ ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp )
                }
 
                if (( ber = re_encode_request( ld, origreq->lr_ber,
-                   ++ld->ld_msgid, &refdn )) == NULL ) {
+                   ++ld->ld_msgid, &refdn, &rinfo.ri_request )) == NULL ) {
                        return( -1 );
                }
 
@@ -698,8 +941,9 @@ ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp )
                }
 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
 
+               rinfo.ri_msgid = origreq->lr_origid;
                if ( srv != NULL && ldap_send_server_request( ld, ber, ld->ld_msgid,
-                   lr, srv, NULL, 1 ) >= 0 ) {
+                   lr, srv, NULL, &rinfo ) >= 0 ) {
                        ++count;
                } else {
                        Debug( LDAP_DEBUG_ANY,
@@ -707,6 +951,7 @@ ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp )
                            ldap_err2string( ld->ld_errno ), 0, 0 );
                        rc = ldap_append_referral( ld, &unfollowed, ref );
                }
+               LDAP_FREE( rinfo.ri_url);
 
                if (srv != NULL)
                        ldap_free_urllist(srv);
@@ -756,7 +1001,7 @@ ldap_append_referral( LDAP *ld, char **referralsp, char *s )
 
 
 static BerElement *
-re_encode_request( LDAP *ld, BerElement *origber, ber_int_t msgid, char **dnp )
+re_encode_request( LDAP *ld, BerElement *origber, ber_int_t msgid, char **dnp, int *type )
 {
 /*
  * XXX this routine knows way too much about how the lber library works!
@@ -787,6 +1032,7 @@ re_encode_request( LDAP *ld, BerElement *origber, ber_int_t msgid, char **dnp )
                return( NULL );
        }
 
+       assert( tag != 0);
        if ( tag == LDAP_REQ_BIND ) {
                /* bind requests have a version number before the DN & other stuff */
                rc = ber_scanf( &tmpber, "{ia" /*}*/, &ver, &orig_dn );
@@ -846,6 +1092,7 @@ re_encode_request( LDAP *ld, BerElement *origber, ber_int_t msgid, char **dnp )
        }
 #endif /* LDAP_DEBUG */
 
+       *type = tag;    /* return request type */
        return( ber );
 }
 
@@ -856,6 +1103,9 @@ ldap_find_request_by_msgid( LDAP *ld, ber_int_t msgid )
        LDAPRequest     *lr;
 
        for ( lr = ld->ld_requests; lr != NULL; lr = lr->lr_next ) {
+               if( lr->lr_status == LDAP_REQST_COMPLETED ) {
+                       continue;       /* Skip completed requests */
+               }
                if ( msgid == lr->lr_msgid ) {
                        break;
                }
index 9a3d04d6ec932f52aee3c75e0bab7b6feedb3c9c..155b2cbd70880ffcf9863162ffe937747066036a 100644 (file)
@@ -6,6 +6,23 @@
 /*  Portions
  *  Copyright (c) 1990 Regents of the University of Michigan.
  *  All rights reserved.
+ ******************************************************************************
+ * This notice applies to changes, created by or for Novell, Inc.,
+ * to preexisting works for which notices appear elsewhere in this file.
+ *
+ * Copyright (C) 1999, 2000 Novell, Inc. All Rights Reserved.
+ *
+ * THIS WORK IS SUBJECT TO U.S. AND INTERNATIONAL COPYRIGHT LAWS AND TREATIES.
+ * USE, MODIFICATION, AND REDISTRIBUTION OF THIS WORK IS SUBJECT TO VERSION
+ * 2.0.1 OF THE OPENLDAP PUBLIC LICENSE, A COPY OF WHICH IS AVAILABLE AT
+ * HTTP://WWW.OPENLDAP.ORG/LICENSE.HTML OR IN THE FILE "LICENSE" IN THE
+ * TOP-LEVEL DIRECTORY OF THE DISTRIBUTION. ANY USE OR EXPLOITATION OF THIS
+ * WORK OTHER THAN AS AUTHORIZED IN VERSION 2.0.1 OF THE OPENLDAP PUBLIC
+ * LICENSE, OR OTHER PRIOR WRITTEN CONSENT FROM NOVELL, COULD SUBJECT THE
+ * PERPETRATOR TO CRIMINAL AND CIVIL LIABILITY. 
+ ******************************************************************************
+ * Modification to OpenLDAP source by Novell, Inc.
+ * April 2000 sfs Add code to process V3 referrals and search results
  *
  *  result.c - wait for an ldap result
  */
@@ -279,10 +296,15 @@ try_read1msg(
        ber_tag_t       tag;
        ber_len_t       len;
        int             foundit = 0;
-       LDAPRequest     *lr;
+       LDAPRequest     *lr, *tmplr;
        BerElement      tmpber;
        int             rc, refer_cnt, hadref, simple_request;
        ber_int_t       lderr;
+       /*
+        * v3ref = flag for V3 referral / search reference
+        * 0 = not a ref, 1 = sucessfully chased ref, -1 = pass ref to application
+        */
+       int     v3ref;
 
        assert( ld != NULL );
        assert( lc != NULL );
@@ -338,6 +360,7 @@ try_read1msg(
        /* if it's been abandoned, toss it */
        if ( ldap_abandoned( ld, id ) ) {
                ber_free( ber, 1 );
+               Debug( LDAP_DEBUG_ANY, "abandoned\n", 0, 0, 0);
                return( -2 );   /* continue looking */
        }
 
@@ -356,10 +379,10 @@ try_read1msg(
                return( -1 );
        }
 
-       Debug( LDAP_DEBUG_TRACE, "ldap_read: %s msgid %ld, original id %ld\n",
+       Debug( LDAP_DEBUG_TRACE, "ldap_read: message type %s msgid %ld, original id %ld\n",
            ( tag == LDAP_RES_SEARCH_ENTRY ) ? "entry" : 
                ( tag == LDAP_RES_SEARCH_REFERENCE ) ? "reference" : "result",
-               (long) id, (long) lr->lr_origid );
+               (long) lr->lr_msgid, (long) lr->lr_origid );
 
        id = lr->lr_origid;
        refer_cnt = 0;
@@ -367,12 +390,96 @@ try_read1msg(
        rc = -2;        /* default is to keep looking (no response found) */
        lr->lr_res_msgtype = tag;
 
-       if ( tag != LDAP_RES_SEARCH_ENTRY ) {
+       /*
+        * This code figures out if we are going to chase a
+        * referral / search reference, or pass it back to the application
+        */
+       v3ref = 0;      /* Assume not a V3 search reference or referral */
+       if( (tag != LDAP_RES_SEARCH_ENTRY) && (ld->ld_version > LDAP_VERSION2) ) {
+               BerElement      tmpber = *ber;  /* struct copy */
+               char **refs = NULL;
+
+               if( tag == LDAP_RES_SEARCH_REFERENCE) {
+                       /* This is a V3 search reference */
+                       /* Assume we do not chase the reference, but pass it to application */
+                       v3ref = -1;
+                       if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ||
+                                       (lr->lr_parent != NULL) )
+                       {
+                               /* Get the referral list */
+                               if ( ber_scanf( &tmpber, "{v}", &refs ) == LBER_ERROR ) {
+                                       rc = LDAP_DECODING_ERROR;
+                               } else {
+                                       /* Note: refs arrary is freed by ldap_chase_v3referrals */
+                                       refer_cnt = ldap_chase_v3referrals( ld, lr, refs,
+                                           &lr->lr_res_error, &hadref );
+                                       if ( refer_cnt > 0 ) {  /* sucessfully chased reference */
+                                               /* If haven't got end search, set chasing referrals */
+                                               if( lr->lr_status != LDAP_REQST_COMPLETED) {
+                                                       lr->lr_status = LDAP_REQST_CHASINGREFS;
+                                                       Debug( LDAP_DEBUG_TRACE,
+                                                           "read1msg:  search ref chased, mark request chasing refs, id = %d\n",
+                                                           lr->lr_msgid, 0, 0);
+                                               }
+                                               v3ref = 1;      /* We sucessfully chased the reference */
+                                       }
+                               }
+                       }
+               } else {
+                       /* Check for V3 referral */
+                       ber_len_t len;
+                       if ( ber_scanf( &tmpber, "{iaa",/*}*/ &lderr,
+                                   &lr->lr_res_matched, &lr->lr_res_error )
+                                   != LBER_ERROR ) {
+                               /* Check if V3 referral */
+                               if( ber_peek_tag( &tmpber, &len) == LDAP_TAG_REFERRAL ) {
+                                       /* We have a V3 referral, assume we cannot chase it */
+                                       v3ref = -1;
+                                       if( LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS)
+                                                        || (lr->lr_parent != NULL) )
+                                       {
+                                               v3ref = -1;  /* Assume referral not chased and return it to app */
+                                               /* Get the referral list */
+                                               if( ber_scanf( &tmpber, "v", &refs) == LBER_ERROR) {
+                                                       rc = LDAP_DECODING_ERROR;
+                                                       lr->lr_status = LDAP_REQST_COMPLETED;
+                                                       Debug( LDAP_DEBUG_TRACE,
+                                                           "read1msg: referral decode error, mark request completed, id = %d\n",
+                                                                   lr->lr_msgid, 0, 0);
+                                               } else {
+                                                       /* Chase the referral 
+                                                        * Note: refs arrary is freed by ldap_chase_v3referrals
+                                                        */
+                                                       refer_cnt = ldap_chase_v3referrals( ld, lr, refs,
+                                                           &lr->lr_res_error, &hadref );
+                                                       lr->lr_status = LDAP_REQST_COMPLETED;
+                                                       Debug( LDAP_DEBUG_TRACE,
+                                                           "read1msg:  referral chased, mark request completed, id = %d\n",
+                                                           lr->lr_msgid, 0, 0);
+                                                       if( refer_cnt > 0) {
+                                                               v3ref = 1;  /* Referral successfully chased */
+                                                       }
+                                               }
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /* All results that just return a status, i.e. don't return data
+        * go through the following code.  This code also chases V2 referrals
+        * and checks if all referrals have been chased.
+        */
+       if ( (tag != LDAP_RES_SEARCH_ENTRY) && (v3ref > -1) ) {
+               /* For a v3 search referral/reference, only come here if already chased it */
                if ( ld->ld_version >= LDAP_VERSION2 &&
                        ( lr->lr_parent != NULL ||
                        LDAP_BOOL_GET(&ld->ld_options, LDAP_BOOL_REFERRALS) ) )
                {
                        tmpber = *ber;  /* struct copy */
+                       if ( v3ref == 1 ) {
+                               ; /* V3 search reference or V3 referral sucessfully chased */
+                       } else
                        if ( ber_scanf( &tmpber, "{iaa}", &lderr,
                            &lr->lr_res_matched, &lr->lr_res_error )
                            != LBER_ERROR ) {
@@ -380,6 +487,9 @@ try_read1msg(
                                        /* referrals are in error string */
                                        refer_cnt = ldap_chase_referrals( ld, lr,
                                            &lr->lr_res_error, &hadref );
+                                       lr->lr_status = LDAP_REQST_COMPLETED;
+                                       Debug( LDAP_DEBUG_TRACE,
+                                           "read1msg:  V2 referral chased, mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
                                }
 
                                /* save errno, message, and matched string */
@@ -408,7 +518,7 @@ Debug( LDAP_DEBUG_TRACE,
                        if ( refer_cnt < 0 ) {
                                return( -1 );   /* fatal error */
                        }
-                       lr->lr_status = LDAP_REQST_CHASINGREFS;
+                       lr->lr_res_errno = LDAP_SUCCESS; /* sucessfully chased referral */
                } else {
                        if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
                                /* request without any referrals */
@@ -419,6 +529,9 @@ Debug( LDAP_DEBUG_TRACE,
                                ber = NULL;
                        }
 
+                       lr->lr_status = LDAP_REQST_COMPLETED; /* declare this request done */
+                       Debug( LDAP_DEBUG_TRACE,
+                           "read1msg:  mark request completed, id = %d\n", lr->lr_msgid, 0, 0);
                        while ( lr->lr_parent != NULL ) {
                                merge_error_info( ld, lr->lr_parent, lr );
 
@@ -428,7 +541,15 @@ Debug( LDAP_DEBUG_TRACE,
                                }
                        }
 
-                       if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL ) {
+                       /* Check if all requests are finished, lr is now parent */
+                       for(tmplr=lr ; tmplr != NULL; tmplr=tmplr->lr_refnext) {
+                               if( tmplr->lr_status != LDAP_REQST_COMPLETED) {
+                                       break;
+                               }
+                       }
+
+                       /* This is the parent request if the request has referrals */
+                       if ( lr->lr_outrefcnt <= 0 && lr->lr_parent == NULL && tmplr == NULL ) {
                                id = lr->lr_msgid;
                                tag = lr->lr_res_msgtype;
                                Debug( LDAP_DEBUG_ANY, "request %ld done\n",
@@ -479,7 +600,8 @@ lr->lr_res_matched ? lr->lr_res_matched : "" );
        if ( msgid == LDAP_RES_ANY || id == msgid ) {
                if ( all == LDAP_MSG_ONE
                    || (new->lm_msgtype != LDAP_RES_SEARCH_RESULT
-                   && new->lm_msgtype != LDAP_RES_SEARCH_ENTRY) ) {
+                   && new->lm_msgtype != LDAP_RES_SEARCH_ENTRY
+                   && new->lm_msgtype != LDAP_RES_SEARCH_REFERENCE) ) {
                        *result = new;
                        ld->ld_errno = LDAP_SUCCESS;
                        return( tag );
@@ -518,8 +640,9 @@ lr->lr_res_matched ? lr->lr_res_matched : "" );
            (long) new->lm_msgid, (long) new->lm_msgtype, 0 );
 
        /* part of a search response - add to end of list of entries */
-       for ( tmp = l; tmp->lm_chain != NULL &&
-           tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY;
+       for ( tmp = l; (tmp->lm_chain != NULL) &&
+               ((tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_ENTRY) ||
+                (tmp->lm_chain->lm_msgtype == LDAP_RES_SEARCH_REFERENCE));
            tmp = tmp->lm_chain )
                ;       /* NULL */
        tmp->lm_chain = new;
index cb31e0f1bd5065e10c18050b5770d088e69b3626..4f9984affe8076545c699cd459dc782da8e0aa4e 100644 (file)
@@ -173,6 +173,10 @@ ldap_search_ext_s(
                return( ld->ld_errno );
        }
 
+       if( rc == LDAP_RES_SEARCH_REFERENCE) {
+               return( ld->ld_errno );
+       }
+
        return( ldap_result2error( ld, *res, 0 ) );
 }
 
index 793bed66c6d69a6df4d82e43049f22bf864c5d98..f32fe6954bd3308f407e5a1befcc4cb54b7755af 100644 (file)
@@ -229,38 +229,35 @@ get_modlist( char *prompt1, char *prompt2, char *prompt3 )
 
 
 static int
-bind_prompt( LDAP *ld, char **dnp, char **passwdp, int *authmethodp,
-       int freeit )
+bind_prompt( LDAP *ld, LDAP_CONST char *url, int request, ber_int_t msgid)
 {
        static char     dn[256], passwd[256];
+       char *dnp;
+       int     authmethod;
 
-       if ( !freeit ) {
 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
                getline( dn, sizeof(dn), stdin,
                    "re-bind method (0->simple, 1->krbv41, 2->krbv42, 3->krbv41&2)? " );
-               if (( *authmethodp = atoi( dn )) == 3 ) {
-                       *authmethodp = LDAP_AUTH_KRBV4;
+       if (( authmethod = atoi( dn )) == 3 ) {
+               authmethod = LDAP_AUTH_KRBV4;
                } else {
-                       *authmethodp |= 0x80;
+               authmethod |= 0x80;
                }
 #else /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
-               *authmethodp = LDAP_AUTH_SIMPLE;
+       authmethod = LDAP_AUTH_SIMPLE;
 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
 
                getline( dn, sizeof(dn), stdin, "re-bind dn? " );
                strcat( dn, dnsuffix );
-               *dnp = dn;
 
-               if ( *authmethodp == LDAP_AUTH_SIMPLE && dn[0] != '\0' ) {
+       if ( authmethod == LDAP_AUTH_SIMPLE && dn[0] != '\0' ) {
                        getline( passwd, sizeof(passwd), stdin,
                            "re-bind password? " );
                } else {
                        passwd[0] = '\0';
                }
-               *passwdp = passwd;
-       }
 
-       return( LDAP_SUCCESS );
+       return ldap_bind_s( ld, dn, passwd, authmethod);
 }
 
 
index bb2cfcdb7df92e0aa006173f91c25c268506e1ce..6098bb8910cbaa2b088dc29abb19e317c8628bd2 100644 (file)
@@ -274,6 +274,36 @@ ldap_url_parse( LDAP_CONST char *url_in, LDAPURLDesc **ludpp )
                return LDAP_URL_ERR_MEM;
        }
 
+       /*
+        * Kluge.  ldap://111.222.333.444:389??cn=abc,o=company
+        *
+        * On early Novell releases, search references/referrals were returned
+        * in this format, i.e., the dn was kind of in the scope position,
+        * but the required slash is missing. The whole thing is illegal syntax,
+        * but we need to account for it. Fortunately it can't be confused with
+        * anything real.
+        */
+       if( (p == NULL) && ((q = strchr( q, '?')) != NULL)) {
+               q++;            
+               /* ? immediately followed by question */
+               if( *q == '?') {
+                       q++;
+                       if( *q != '\0' ) {
+                               /* parse dn part */
+                               ldap_pvt_hex_unescape( q );
+                               ludp->lud_dn = LDAP_STRDUP( q );
+                       } else {
+                               ludp->lud_dn = LDAP_STRDUP( "" );
+                       }
+
+                       if( ludp->lud_dn == NULL ) {
+                               LDAP_FREE( url );
+                               ldap_free_urldesc( ludp );
+                               return LDAP_URL_ERR_MEM;
+                       }
+               }
+       }
+
        if( p == NULL ) {
                LDAP_FREE( url );
                *ludpp = ludp;
@@ -721,6 +751,7 @@ ldap_url_search( LDAP *ld, LDAP_CONST char *url, int attrsonly )
        int             err;
        LDAPURLDesc     *ludp;
        BerElement      *ber;
+       LDAPreqinfo  bind;
 
        if ( ldap_url_parse( url, &ludp ) != 0 ) {
                ld->ld_errno = LDAP_PARAM_ERROR;
@@ -734,11 +765,14 @@ ldap_url_search( LDAP *ld, LDAP_CONST char *url, int attrsonly )
        if ( ber == NULL ) {
                err = -1;
        } else {
+               bind.ri_request = LDAP_REQ_SEARCH;
+               bind.ri_msgid = ld->ld_msgid;
+               bind.ri_url = (char *)url;
                err = ldap_send_server_request(
                                        ld, ber, ld->ld_msgid, NULL,
                                        (ludp->lud_host != NULL || ludp->lud_port != 0)
                                                ? ludp : NULL,
-                                       NULL, 1 );
+                                       NULL, &bind );
        }
 
        ldap_free_urldesc( ludp );