]> git.sur5r.net Git - openldap/blob - servers/slapd/back-ldap/extended.c
not sure that cyrus-sasl doesn't honor empty authz; need to check
[openldap] / servers / slapd / back-ldap / extended.c
1 /* extended.c - ldap backend extended routines */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 2003-2004 The OpenLDAP Foundation.
6  * All rights reserved.
7  *
8  * Redistribution and use in source and binary forms, with or without
9  * modification, are permitted only as authorized by the OpenLDAP
10  * Public License.
11  *
12  * A copy of this license is available in the file LICENSE in the
13  * top-level directory of the distribution or, alternatively, at
14  * <http://www.OpenLDAP.org/license.html>.
15  */
16 /* ACKNOWLEDGEMENTS:
17  * This work was initially developed by the Howard Chu for inclusion
18  * in OpenLDAP Software and subsequently enhanced by Pierangelo
19  * Masarati. 
20  */
21
22 #include "portable.h"
23
24 #include <stdio.h>
25 #include <ac/string.h>
26
27 #include "slap.h"
28 #include "back-ldap.h"
29 #include "lber_pvt.h"
30
31 BI_op_extended ldap_back_exop_passwd;
32
33 static struct exop {
34         struct berval *oid;
35         BI_op_extended  *extended;
36 } exop_table[] = {
37         { (struct berval *)&slap_EXOP_MODIFY_PASSWD, ldap_back_exop_passwd },
38         { NULL, NULL }
39 };
40
41 int
42 ldap_back_extended(
43         Operation               *op,
44         SlapReply               *rs )
45 {
46         int i;
47
48         for( i=0; exop_table[i].extended != NULL; i++ ) {
49                 if( ber_bvcmp( exop_table[i].oid, &op->oq_extended.rs_reqoid ) == 0 ) {
50 #ifdef LDAP_BACK_PROXY_AUTHZ 
51                         struct ldapconn *lc;
52                         LDAPControl **oldctrls = NULL;
53                         int rc;
54
55                         /* FIXME: this needs to be called here, so it is
56                          * called twice; maybe we could avoid the 
57                          * ldap_back_dobind() call inside each extended()
58                          * call ... */
59                         lc = ldap_back_getconn(op, rs);
60                         if (!lc || !ldap_back_dobind(lc, op, rs) ) {
61                                 return -1;
62                         }
63
64                         oldctrls = op->o_ctrls;
65                         if ( ldap_back_proxy_authz_ctrl( lc, op, rs, &op->o_ctrls ) ) {
66                                 op->o_ctrls = oldctrls;
67                                 send_ldap_result( op, rs );
68                                 rs->sr_text = NULL;
69                                 return rs->sr_err;
70                         }
71
72                         rc = (exop_table[i].extended)( op, rs );
73
74                         if ( op->o_ctrls && op->o_ctrls != oldctrls ) {
75                                 free( op->o_ctrls[ 0 ] );
76                                 free( op->o_ctrls );
77                         }
78                         op->o_ctrls = oldctrls;
79
80                         return rc;
81 #else /* ! LDAP_BACK_PROXY_AUTHZ */
82                         return (exop_table[i].extended)( op, rs );
83 #endif /* ! LDAP_BACK_PROXY_AUTHZ */
84                 }
85         }
86
87         rs->sr_text = "not supported within naming context";
88         return LDAP_UNWILLING_TO_PERFORM;
89 }
90
91 int
92 ldap_back_exop_passwd(
93         Operation               *op,
94         SlapReply               *rs )
95 {
96         struct ldapinfo *li = (struct ldapinfo *) op->o_bd->be_private;
97         struct ldapconn *lc;
98         req_pwdexop_s *qpw = &op->oq_pwdexop;
99         struct berval mdn = BER_BVNULL, newpw;
100         LDAPMessage *res;
101         ber_int_t msgid;
102         int rc, isproxy;
103         dncookie dc;
104
105         lc = ldap_back_getconn(op, rs);
106         if (!lc || !ldap_back_dobind(lc, op, rs) ) {
107                 return -1;
108         }
109
110         isproxy = ber_bvcmp( &op->o_req_ndn, &op->o_ndn );
111
112 #ifdef NEW_LOGGING
113         LDAP_LOG ( ACL, DETAIL1, "ldap_back_exop_passwd: \"%s\"%s\"\n",
114                 op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
115 #else
116         Debug( LDAP_DEBUG_TRACE, "ldap_back_exop_passwd: \"%s\"%s\n",
117                 op->o_req_dn.bv_val, isproxy ? " (proxy)" : "", 0 );
118 #endif
119
120         if ( isproxy ) {
121                 dc.rwmap = &li->rwmap;
122 #ifdef ENABLE_REWRITE
123                 dc.conn = op->o_conn;
124                 dc.rs = rs;
125                 dc.ctx = "exopPasswdDN";
126 #else
127                 dc.tofrom = 1;
128                 dc.normalized = 0;
129 #endif
130                 if ( ldap_back_dn_massage( &dc, &op->o_req_dn, &mdn ) ) {
131                         send_ldap_result( op, rs );
132                         return -1;
133                 }
134         }
135
136         rc = ldap_passwd(lc->ld, isproxy ? &mdn : NULL,
137                 qpw->rs_old.bv_val ? &qpw->rs_old : NULL,
138                 qpw->rs_new.bv_val ? &qpw->rs_new : NULL,
139                 op->o_ctrls, NULL, &msgid);
140
141         if (mdn.bv_val != op->o_req_dn.bv_val) {
142                 free(mdn.bv_val);
143         }
144
145         if (rc == LDAP_SUCCESS) {
146                 if (ldap_result(lc->ld, msgid, 1, NULL, &res) == -1) {
147                         ldap_get_option(lc->ld, LDAP_OPT_ERROR_NUMBER, &rc);
148                 } else {
149                         /* sigh. parse twice, because parse_passwd doesn't give
150                          * us the err / match / msg info.
151                          */
152                         rc = ldap_parse_result(lc->ld, res, &rs->sr_err, (char **)&rs->sr_matched, (char **)&rs->sr_text,
153                                 NULL, NULL, 0);
154                         if (rc == LDAP_SUCCESS) {
155                                 if (rs->sr_err == LDAP_SUCCESS) {
156                                         rc = ldap_parse_passwd(lc->ld, res, &newpw);
157                                         if (rc == LDAP_SUCCESS && newpw.bv_val) {
158                                                 rs->sr_type = REP_EXTENDED;
159                                                 rs->sr_rspdata = slap_passwd_return(&newpw);
160                                                 free(newpw.bv_val);
161                                         }
162                                 } else {
163                                         rc = rs->sr_err;
164                                 }
165                         }
166                         ldap_msgfree(res);
167                 }
168         }
169         if (rc != LDAP_SUCCESS) {
170                 rs->sr_err = slap_map_api2result( rs );
171                 send_ldap_result(op, rs);
172                 if (rs->sr_matched) free((char *)rs->sr_matched);
173                 if (rs->sr_text) free((char *)rs->sr_text);
174                 rs->sr_matched = NULL;
175                 rs->sr_text = NULL;
176                 rc = -1;
177         }
178         return rc;
179 }