3 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
4 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
7 * Copyright (c) 1993 Regents of the University of Michigan.
14 * BindRequest ::= SEQUENCE {
16 * name DistinguishedName, -- who
17 * authentication CHOICE {
18 * simple [0] OCTET STRING -- passwd
19 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
20 * krbv42ldap [1] OCTET STRING
21 * krbv42dsa [2] OCTET STRING
23 * sasl [3] SaslCredentials -- LDAPv3
27 * BindResponse ::= SEQUENCE {
28 * COMPONENTS OF LDAPResult,
29 * serverSaslCreds OCTET STRING OPTIONAL -- LDAPv3
36 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
39 #include <ac/stdlib.h>
42 #include <ac/socket.h>
43 #include <ac/string.h>
50 * ldap_kerberos_bind1 - initiate a bind to the ldap server using
51 * kerberos authentication. The dn is supplied. It is assumed the user
52 * already has a valid ticket granting ticket. The msgid of the
53 * request is returned on success (suitable for passing to ldap_result()),
54 * -1 is returned if there's trouble.
57 * ldap_kerberos_bind1( ld, "cn=manager, o=university of michigan, c=us" )
60 ldap_kerberos_bind1( LDAP *ld, LDAP_CONST char *dn )
68 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY, "ldap_kerberos_bind1\n" ));
70 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind1\n", 0, 0, 0 );
73 if( ld->ld_version > LDAP_VERSION2 ) {
74 ld->ld_errno = LDAP_NOT_SUPPORTED;
81 if ( (cred = ldap_get_kerberosv4_credentials( ld, dn, "ldapserver",
82 &credlen )) == NULL ) {
83 return( -1 ); /* ld_errno should already be set */
86 /* create a message to send */
87 if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
93 rc = ber_printf( ber, "{it{istoN}N}", ++ld->ld_msgid, LDAP_REQ_BIND,
94 ld->ld_version, dn, LDAP_AUTH_KRBV41, cred, credlen );
99 ld->ld_errno = LDAP_ENCODING_ERROR;
106 if ( ld->ld_cache != NULL ) {
107 ldap_flush_cache( ld );
109 #endif /* !LDAP_NOCACHE */
111 /* send the message */
112 return ( ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber ));
116 ldap_kerberos_bind1_s( LDAP *ld, LDAP_CONST char *dn )
122 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY, "ldap_kerberos_bind1_s\n" ));
124 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind1_s\n", 0, 0, 0 );
127 /* initiate the bind */
128 if ( (msgid = ldap_kerberos_bind1( ld, dn )) == -1 )
129 return( ld->ld_errno );
131 /* wait for a result */
132 if ( ldap_result( ld, ld->ld_msgid, 1, (struct timeval *) 0, &res )
134 return( ld->ld_errno ); /* ldap_result sets ld_errno */
137 return( ldap_result2error( ld, res, 1 ) );
141 * ldap_kerberos_bind2 - initiate a bind to the X.500 server using
142 * kerberos authentication. The dn is supplied. It is assumed the user
143 * already has a valid ticket granting ticket. The msgid of the
144 * request is returned on success (suitable for passing to ldap_result()),
145 * -1 is returned if there's trouble.
148 * ldap_kerberos_bind2( ld, "cn=manager, o=university of michigan, c=us" )
151 ldap_kerberos_bind2( LDAP *ld, LDAP_CONST char *dn )
159 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY, "ldap_kerberos_bind2\n" ));
161 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind2\n", 0, 0, 0 );
164 if( ld->ld_version > LDAP_VERSION2 ) {
165 ld->ld_errno = LDAP_NOT_SUPPORTED;
172 if ( (cred = ldap_get_kerberosv4_credentials( ld, dn, "x500dsa", &credlen ))
174 return( -1 ); /* ld_errno should already be set */
177 /* create a message to send */
178 if ( (ber = ldap_alloc_ber_with_options( ld )) == NULL ) {
184 rc = ber_printf( ber, "{it{istoN}N}", ++ld->ld_msgid, LDAP_REQ_BIND,
185 ld->ld_version, dn, LDAP_AUTH_KRBV42, cred, credlen );
192 ld->ld_errno = LDAP_ENCODING_ERROR;
196 /* send the message */
197 return ( ldap_send_initial_request( ld, LDAP_REQ_BIND, dn, ber ));
200 /* synchronous bind to DSA using kerberos */
202 ldap_kerberos_bind2_s( LDAP *ld, LDAP_CONST char *dn )
208 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY, "ldap_kerberos_bind2_s\n" ));
210 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind2_s\n", 0, 0, 0 );
213 /* initiate the bind */
214 if ( (msgid = ldap_kerberos_bind2( ld, dn )) == -1 )
215 return( ld->ld_errno );
217 /* wait for a result */
218 if ( ldap_result( ld, ld->ld_msgid, 1, (struct timeval *) 0, &res )
220 return( ld->ld_errno ); /* ldap_result sets ld_errno */
223 return( ldap_result2error( ld, res, 1 ) );
226 /* synchronous bind to ldap and DSA using kerberos */
228 ldap_kerberos_bind_s( LDAP *ld, LDAP_CONST char *dn )
233 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY, "ldap_kerberos_bind_s\n" ));
235 Debug( LDAP_DEBUG_TRACE, "ldap_kerberos_bind_s\n", 0, 0, 0 );
238 if ( (err = ldap_kerberos_bind1_s( ld, dn )) != LDAP_SUCCESS )
241 return( ldap_kerberos_bind2_s( ld, dn ) );
247 * ldap_get_kerberosv4_credentials - obtain kerberos v4 credentials for ldap.
248 * The dn of the entry to which to bind is supplied. It's assumed the
249 * user already has a tgt.
253 ldap_get_kerberosv4_credentials(
255 LDAP_CONST char *who,
256 LDAP_CONST char *service,
261 char realm[REALM_SZ], *cred, *krbinstance;
264 LDAP_LOG (( "kbind", LDAP_LEVEL_ENTRY,
265 "ldap_get_kerberosv4_credentials\n" ));
267 Debug( LDAP_DEBUG_TRACE, "ldap_get_kerberosv4_credentials\n", 0, 0, 0 );
270 if ( (err = krb_get_tf_realm( tkt_string(), realm )) != KSUCCESS ) {
272 LDAP_LOG (( "kbind", LDAP_LEVEL_ERR,
273 "ldap_get_kerberosv4_credentials: krb_get_tf_realm failed: %s\n",
276 Debug( LDAP_DEBUG_ANY, "ldap_get_kerberosv4_credentials: "
277 "krb_get_tf_realm failed: %s\n", krb_err_txt[err], 0, 0 );
279 ld->ld_errno = LDAP_AUTH_UNKNOWN;
283 if ( ber_sockbuf_ctrl( ld->ld_sb, LBER_SB_OPT_GET_FD, NULL ) == -1 ) {
284 /* not connected yet */
285 int rc = ldap_open_defconn( ld );
287 if( rc < 0 ) return NULL;
290 krbinstance = ld->ld_defconn->lconn_krbinstance;
292 if ( (err = krb_mk_req( &ktxt, service, krbinstance, realm, 0 ))
296 LDAP_LOG (( "kbind", LDAP_LEVEL_ERR,
297 "ldap_get_kerberosv4_credentials: krb_mk_req failed: %s\n",
300 Debug( LDAP_DEBUG_ANY, "ldap_get_kerberosv4_credentials: "
301 "krb_mk_req failed (%s)\n", krb_err_txt[err], 0, 0 );
303 ld->ld_errno = LDAP_AUTH_UNKNOWN;
307 if ( ( cred = LDAP_MALLOC( ktxt.length )) == NULL ) {
308 ld->ld_errno = LDAP_NO_MEMORY;
313 AC_MEMCPY( cred, ktxt.dat, ktxt.length );
318 #endif /* !AUTHMAN */
319 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */