1 /* alias.c - mail alias lookup routines */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4  *
5  * Copyright 2008-2021 The OpenLDAP Foundation.
6  * Portions Copyright 2008 by Howard Chu, Symas Corp.
7  * All rights reserved.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted only as authorized by the OpenLDAP
11  * Public License.
12  *
13  * A copy of this license is available in the file LICENSE in the
14  * top-level directory of the distribution or, alternatively, at
15  * <http://www.OpenLDAP.org/license.html>.
16  */
17 /* ACKNOWLEDGEMENTS:
18  * This code references portions of the nss-ldapd package
19  * written by Arthur de Jong. The nss-ldapd code was forked
20  * from the nss-ldap library written by Luke Howard.
21  */
22 
23 #include "nssov.h"
24 
25 /* Vendor-specific attributes and object classes.
26  * (Mainly from Sun.)
27  * ( 1.3.6.1.4.1.42.2.27.1.2.5 NAME 'nisMailAlias' SUP top STRUCTURAL
28  *   DESC 'NIS mail alias'
29  *   MUST cn
30  *   MAY rfc822MailMember )
31  */
32 
33 /* the basic search filter for searches */
34 static struct berval alias_filter = BER_BVC("(objectClass=nisMailAlias)");
35 
36 /* the attributes to request with searches */
37 static struct berval alias_keys[] = {
38 	BER_BVC("cn"),
39 	BER_BVC("rfc822MailMember"),
40 	BER_BVNULL
41 };
42 
43 NSSOV_INIT(alias)
44 
45 NSSOV_CBPRIV(alias,
46 	struct berval name;
47 	char buf[256];);
48 
write_alias(nssov_alias_cbp * cbp,Entry * entry)49 static int write_alias(nssov_alias_cbp *cbp,Entry *entry)
50 {
51 	int32_t tmpint32,tmp2int32,tmp3int32;
52 	struct berval tmparr[2], empty;
53 	struct berval *names, *members;
54 	Attribute *a;
55 	int i;
56 
57 	/* get the name of the alias */
58 	if (BER_BVISNULL(&cbp->name))
59 	{
60 		a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[0].an_desc);
61 		if ( !a )
62 		{
63 			Debug(LDAP_DEBUG_ANY,"alias entry %s does not contain %s value\n",
64 				entry->e_name.bv_val,cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val );
65 			return 0;
66 		}
67 		names = a->a_vals;
68 	}
69 	else
70 	{
71 		names=tmparr;
72 		names[0]=cbp->name;
73 		BER_BVZERO(&names[1]);
74 	}
75 	/* get the members of the alias */
76  	a = attr_find(entry->e_attrs, cbp->mi->mi_attrs[1].an_desc);
77 	if ( !a ) {
78 		BER_BVZERO( &empty );
79 		members = &empty;
80 	} else {
81 		members = a->a_vals;
82 	}
83 	/* for each name, write an entry */
84 	for (i=0;!BER_BVISNULL(&names[i]);i++)
85 	{
86 		WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
87 		WRITE_BERVAL(cbp->fp,&names[i]);
88 		WRITE_BVARRAY(cbp->fp,members);
89 	}
90 	return 0;
91 }
92 
93 NSSOV_CB(alias)
94 
95 NSSOV_HANDLE(
96 	alias,byname,
97 	char fbuf[1024];
98 	struct berval filter = {sizeof(fbuf)};
99 	filter.bv_val = fbuf;
100 	READ_STRING(fp,cbp.buf);
101 	cbp.name.bv_len = tmpint32;
102 	cbp.name.bv_val = cbp.buf;,
103 	Debug(LDAP_DEBUG_TRACE,"nssov_alias_byname(%s)\n",cbp.name.bv_val);,
104 	NSLCD_ACTION_ALIAS_BYNAME,
105 	nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
106 )
107 
108 NSSOV_HANDLE(
109 	alias,all,
110 	struct berval filter;
111 	/* no parameters to read */
112 	BER_BVZERO(&cbp.name);,
113 	Debug(LDAP_DEBUG,"nssov_alias_all()\n");,
114 	NSLCD_ACTION_ALIAS_ALL,
115 	(filter=cbp.mi->mi_filter,0)
116 )
117