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[openldap] / contrib / slapd-modules / nssov / host.c
1 /* host.c - host lookup routines */
2 /* $OpenLDAP$ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>. 
4  *
5  * Copyright 2008-2013 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 /* ( nisSchema.2.6 NAME 'ipHost' SUP top AUXILIARY
26  *       DESC 'Abstraction of a host, an IP device. The distinguished
27  *                               value of the cn attribute denotes the host's canonical
28  *                               name. Device SHOULD be used as a structural class'
29  *       MUST ( cn $ ipHostNumber )
30  *       MAY ( l $ description $ manager ) )
31  */
32
33 /* the basic search filter for searches */
34 static struct berval host_filter = BER_BVC("(objectClass=ipHost)");
35
36 /* the attributes to request with searches */
37 static struct berval host_keys[] = {
38         BER_BVC("cn"),
39         BER_BVC("ipHostNumber"),
40         BER_BVNULL
41 };
42
43 NSSOV_INIT(host)
44
45 NSSOV_CBPRIV(host,
46         char buf[1024];
47         struct berval name;
48         struct berval addr;);
49
50 /* write a single host entry to the stream */
51 static int write_host(nssov_host_cbp *cbp,Entry *entry)
52 {
53         int32_t tmpint32,tmp2int32,tmp3int32;
54         int numaddr,i,numname,dupname;
55         struct berval name,*names,*addrs;
56         Attribute *a;
57
58         /* get the most canonical name */
59         nssov_find_rdnval( &entry->e_nname, cbp->mi->mi_attrs[0].an_desc, &name );
60         /* get the other names for the host */
61         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[0].an_desc );
62         if ( !a || !a->a_vals )
63         {
64                 Debug(LDAP_DEBUG_ANY,"host entry %s does not contain %s value\n",
65                         entry->e_name.bv_val, cbp->mi->mi_attrs[0].an_desc->ad_cname.bv_val, 0 );
66                 return 0;
67         }
68         names = a->a_vals;
69         numname = a->a_numvals;
70         /* if the name is not yet found, get the first entry from names */
71         if (BER_BVISNULL(&name)) {
72                 name=names[0];
73                 dupname = 0;
74         } else {
75                 dupname = -1;
76                 for (i=0; i<numname; i++) {
77                         if ( bvmatch(&name, &a->a_nvals[i])) {
78                                 dupname = i;
79                                 break;
80                         }
81                 }
82         }
83         /* get the addresses */
84         a = attr_find( entry->e_attrs, cbp->mi->mi_attrs[1].an_desc );
85         if ( !a || !a->a_vals )
86         {
87                 Debug(LDAP_DEBUG_ANY,"host entry %s does not contain %s value\n",
88                         entry->e_name.bv_val, cbp->mi->mi_attrs[1].an_desc->ad_cname.bv_val, 0 );
89                 return 0;
90         }
91         addrs = a->a_vals;
92         numaddr = a->a_numvals;
93         /* write the entry */
94         WRITE_INT32(cbp->fp,NSLCD_RESULT_BEGIN);
95         WRITE_BERVAL(cbp->fp,&name);
96         if ( dupname >= 0 ) {
97                 WRITE_INT32(cbp->fp,numname-1);
98         } else {
99                 WRITE_INT32(cbp->fp,numname);
100         }
101         for (i=0;i<numname;i++) {
102                 if (i == dupname) continue;
103                 WRITE_BERVAL(cbp->fp,&names[i]);
104         }
105         WRITE_INT32(cbp->fp,numaddr);
106         for (i=0;i<numaddr;i++)
107         {
108                 WRITE_ADDRESS(cbp->fp,&addrs[i]);
109         }
110         return 0;
111 }
112
113 NSSOV_CB(host)
114
115 NSSOV_HANDLE(
116         host,byname,
117         char fbuf[1024];
118         struct berval filter = {sizeof(fbuf)};
119         filter.bv_val = fbuf;
120         BER_BVZERO(&cbp.addr);
121         READ_STRING(fp,cbp.buf);
122         cbp.name.bv_len = tmpint32;
123         cbp.name.bv_val = cbp.buf;,
124         Debug(LDAP_DEBUG_TRACE,"nssov_host_byname(%s)\n",cbp.name.bv_val,0,0);,
125         NSLCD_ACTION_HOST_BYNAME,
126         nssov_filter_byname(cbp.mi,0,&cbp.name,&filter)
127 )
128
129 NSSOV_HANDLE(
130         host,byaddr,
131         int af;
132         char addr[64];
133         int len=sizeof(addr);
134         char fbuf[1024];
135         struct berval filter = {sizeof(fbuf)};
136         filter.bv_val = fbuf;
137         BER_BVZERO(&cbp.name);
138         READ_ADDRESS(fp,addr,len,af);
139         /* translate the address to a string */
140         if (inet_ntop(af,addr,cbp.buf,sizeof(cbp.buf))==NULL)
141         {
142                 Debug(LDAP_DEBUG_ANY,"nssov: unable to convert address to string\n",0,0,0);
143                 return -1;
144         }
145         cbp.addr.bv_val = cbp.buf;
146         cbp.addr.bv_len = strlen(cbp.buf);,
147         Debug(LDAP_DEBUG_TRACE,"nssov_host_byaddr(%s)\n",cbp.addr.bv_val,0,0);,
148         NSLCD_ACTION_HOST_BYADDR,
149         nssov_filter_byid(cbp.mi,1,&cbp.addr,&filter)
150 )
151
152 NSSOV_HANDLE(
153         host,all,
154         struct berval filter;
155         /* no parameters to read */
156         BER_BVZERO(&cbp.name);
157         BER_BVZERO(&cbp.addr);,
158         Debug(LDAP_DEBUG_TRACE,"nssov_host_all()\n",0,0,0);,
159         NSLCD_ACTION_HOST_ALL,
160         (filter=cbp.mi->mi_filter,0)
161 )