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[openldap] / servers / slapd / back-ldap / add.c
1 /* add.c - ldap backend add function */
2 /* $OpenLDAP$ */
3 /*
4  * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
5  * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
6  */
7 /* This is an altered version */
8 /*
9  * Copyright 1999, Howard Chu, All rights reserved. <hyc@highlandsun.com>
10  * 
11  * Permission is granted to anyone to use this software for any purpose
12  * on any computer system, and to alter it and redistribute it, subject
13  * to the following restrictions:
14  * 
15  * 1. The author is not responsible for the consequences of use of this
16  *    software, no matter how awful, even if they arise from flaws in it.
17  * 
18  * 2. The origin of this software must not be misrepresented, either by
19  *    explicit claim or by omission.  Since few users ever read sources,
20  *    credits should appear in the documentation.
21  * 
22  * 3. Altered versions must be plainly marked as such, and must not be
23  *    misrepresented as being the original software.  Since few users
24  *    ever read sources, credits should appear in the documentation.
25  * 
26  * 4. This notice may not be removed or altered.
27  *
28  *
29  *
30  * Copyright 2000, Pierangelo Masarati, All rights reserved. <ando@sys-net.it>
31  *
32  * This software is being modified by Pierangelo Masarati.
33  * The previously reported conditions apply to the modified code as well.
34  * Changes in the original code are highlighted where required.
35  * Credits for the original code go to the author, Howard Chu.
36  */
37
38 #include "portable.h"
39
40 #include <stdio.h>
41
42 #include <ac/string.h>
43 #include <ac/socket.h>
44
45 #include "slap.h"
46 #include "back-ldap.h"
47
48 int
49 ldap_back_add(
50     Backend     *be,
51     Connection  *conn,
52     Operation   *op,
53     Entry       *e
54 )
55 {
56         struct ldapinfo *li = (struct ldapinfo *) be->be_private;
57         struct ldapconn *lc;
58         int i;
59         Attribute *a;
60         LDAPMod **attrs;
61         char *mdn = NULL, *mapped;
62
63         lc = ldap_back_getconn(li, conn, op);
64         if ( !lc || !ldap_back_dobind( lc, op ) ) {
65                 return( -1 );
66         }
67
68         /*
69          * Rewrite the add dn, if needed
70          */
71 #ifdef ENABLE_REWRITE
72         switch (rewrite_session( li->rwinfo, "addDn", e->e_dn, conn, &mdn )) {
73         case REWRITE_REGEXEC_OK:
74         if ( mdn == NULL ) {
75                         mdn = e->e_dn;
76                 }
77                 Debug( LDAP_DEBUG_ARGS, "rw> addDn: \"%s\" -> \"%s\"\n%s", 
78                                 e->e_dn, mdn, "" );
79                 break;
80                 
81         case REWRITE_REGEXEC_UNWILLING:
82                 send_ldap_result( conn, op, LDAP_UNWILLING_TO_PERFORM,
83                                 NULL, "Unwilling to perform", NULL, NULL );
84                 
85         case REWRITE_REGEXEC_ERR:
86                 return( -1 );
87         }
88 #else /* !ENABLE_REWRITE */
89         mdn = ldap_back_dn_massage( li, ch_strdup( e->e_dn ), 0 );
90 #endif /* !ENABLE_REWRITE */
91
92         /* Count number of attributes in entry */
93         for (i = 1, a = e->e_attrs; a; i++, a = a->a_next)
94                 ;
95         
96         /* Create array of LDAPMods for ldap_add() */
97         attrs = (LDAPMod **)ch_malloc(sizeof(LDAPMod *)*i);
98
99         for (i=0, a=e->e_attrs; a; a=a->a_next) {
100                 /*
101                  * lastmod should always be <off>, so that
102                  * creation/modification operational attrs
103                  * of the target directory are used, if available
104                  */
105 #if 0
106                 if ( !strcasecmp( a->a_desc->ad_cname->bv_val,
107                         slap_schema.si_ad_creatorsName->ad_cname->bv_val )
108                         || !strcasecmp( a->a_desc->ad_cname->bv_val,
109                         slap_schema.si_ad_createTimestamp->ad_cname->bv_val )
110                         || !strcasecmp( a->a_desc->ad_cname->bv_val,
111                         slap_schema.si_ad_modifiersName->ad_cname->bv_val )
112                         || !strcasecmp( a->a_desc->ad_cname->bv_val,
113                         slap_schema.si_ad_modifyTimestamp->ad_cname->bv_val )
114                 ) {
115                         continue;
116                 }
117 #endif
118                 
119                 mapped = ldap_back_map(&li->at_map, a->a_desc->ad_cname->bv_val, 0);
120                 if (mapped == NULL) {
121                         continue;
122                 }
123
124                 attrs[i] = (LDAPMod *)ch_malloc(sizeof(LDAPMod));
125                 if (attrs[i] == NULL) {
126                         continue;
127                 }
128
129                 attrs[i]->mod_op = LDAP_MOD_BVALUES;
130                 attrs[i]->mod_type = mapped;
131
132 #ifdef ENABLE_REWRITE
133                 /*
134                  * FIXME: dn-valued attrs should be rewritten
135                  * to allow their use in ACLs at the back-ldap
136                  * level.
137                  */
138                 if ( strcmp( a->a_desc->ad_type->sat_syntax->ssyn_oid,
139                                         SLAPD_DN_SYNTAX ) == 0 ) {
140                         ldap_dnattr_rewrite( li->rwinfo, a->a_vals, conn );
141                 }
142 #endif /* ENABLE_REWRITE */
143
144                 attrs[i]->mod_vals.modv_bvals = a->a_vals;
145                 i++;
146         }
147         attrs[i] = NULL;
148
149         ldap_add_s(lc->ld, mdn, attrs);
150         for (--i; i>= 0; --i)
151                 free(attrs[i]);
152         free(attrs);
153 #ifdef ENABLE_REWRITE
154         if ( mdn != e->e_dn ) {
155 #endif /* ENABLE_REWRITE */
156         free( mdn );
157 #ifdef ENABLE_REWRITE
158         }
159 #endif /* ENABLE_REWRITE */
160         
161         return( ldap_back_op_result( lc, op ) );
162 }
163
164 #ifdef ENABLE_REWRITE
165 int
166 ldap_dnattr_rewrite(
167                 struct rewrite_info     *rwinfo,
168                 struct berval           **a_vals,
169                 void                    *cookie
170 )
171 {
172         int j;
173         char *mattr;
174         
175         for ( j = 0; a_vals[ j ] != NULL; j++ ) {
176                 switch ( rewrite_session( rwinfo, "bindDn", a_vals[ j ]->bv_val,
177                                         cookie, &mattr )) {
178                 case REWRITE_REGEXEC_OK:
179                         if ( mattr == NULL ) {
180                                 /* no substitution */
181                                 continue;
182                         }
183                         Debug( LDAP_DEBUG_ARGS,
184                                         "rw> bindDn (in add of dn-valued attr):"
185                                         " \"%s\" -> \"%s\"\n%s",
186                                         a_vals[ j ]->bv_val, mattr, "" );
187                         
188                         free( a_vals[ j ]->bv_val );
189                         a_vals[ j ]->bv_val = mattr;
190                         a_vals[ j ]->bv_len = strlen( mattr );
191                         
192                         break;
193                         
194                 case REWRITE_REGEXEC_UNWILLING:
195                         
196                 case REWRITE_REGEXEC_ERR:
197                         /*
198                          * FIXME: better give up,
199                          * skip the attribute
200                          * or leave it untouched?
201                          */
202                         break;
203                 }
204         }
205         
206         return 0;
207 }
208 #endif /* ENABLE_REWRITE */
209