1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
|
/*
network.c - network address entry lookup routines
Parts of this file were part of the nss_ldap library (as ldap-network.c)
which has been forked into the nss-pam-ldapd library.
Copyright (C) 1997-2005 Luke Howard
Copyright (C) 2006 West Consulting
Copyright (C) 2006, 2007, 2009, 2010, 2011 Arthur de Jong
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
02110-1301 USA
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include "common.h"
#include "log.h"
#include "myldap.h"
#include "cfg.h"
#include "attmap.h"
/* ( nisSchema.2.7 NAME 'ipNetwork' SUP top STRUCTURAL
* DESC 'Abstraction of a network. The distinguished value of
* MUST ( cn $ ipNetworkNumber )
* MAY ( ipNetmaskNumber $ l $ description $ manager ) )
*/
/* the search base for searches */
const char *network_bases[NSS_LDAP_CONFIG_MAX_BASES] = { NULL };
/* the search scope for searches */
int network_scope = LDAP_SCOPE_DEFAULT;
/* the basic search filter for searches */
const char *network_filter = "(objectClass=ipNetwork)";
/* the attributes used in searches */
const char *attmap_network_cn = "cn";
const char *attmap_network_ipNetworkNumber = "ipNetworkNumber";
/* the attribute list to request with searches */
static const char *network_attrs[3];
/* create a search filter for searching a network entry
by name, return -1 on errors */
static int mkfilter_network_byname(const char *name,
char *buffer,size_t buflen)
{
char safename[300];
/* escape attribute */
if (myldap_escape(name,safename,sizeof(safename)))
return -1;
/* build filter */
return mysnprintf(buffer,buflen,
"(&%s(%s=%s))",
network_filter,
attmap_network_cn,safename);
}
static int mkfilter_network_byaddr(const char *addrstr,
char *buffer,size_t buflen)
{
char safeaddr[64];
/* escape attribute */
if (myldap_escape(addrstr,safeaddr,sizeof(safeaddr)))
return -1;
/* build filter */
return mysnprintf(buffer,buflen,
"(&%s(%s=%s))",
network_filter,
attmap_network_ipNetworkNumber,safeaddr);
}
void network_init(void)
{
int i;
/* set up search bases */
if (network_bases[0]==NULL)
for (i=0;i<NSS_LDAP_CONFIG_MAX_BASES;i++)
network_bases[i]=nslcd_cfg->ldc_bases[i];
/* set up scope */
if (network_scope==LDAP_SCOPE_DEFAULT)
network_scope=nslcd_cfg->ldc_scope;
/* set up attribute list */
network_attrs[0]=attmap_network_cn;
network_attrs[1]=attmap_network_ipNetworkNumber;
network_attrs[2]=NULL;
}
/* write a single network entry to the stream */
static int write_network(TFILE *fp,MYLDAP_ENTRY *entry)
{
int32_t tmpint32,tmp2int32,tmp3int32;
int numaddr,i;
const char *networkname;
const char **networknames;
const char **addresses;
/* get the most canonical name */
networkname=myldap_get_rdn_value(entry,attmap_network_cn);
/* get the other names for the network */
networknames=myldap_get_values(entry,attmap_network_cn);
if ((networknames==NULL)||(networknames[0]==NULL))
{
log_log(LOG_WARNING,"%s: %s: missing",
myldap_get_dn(entry),attmap_network_cn);
return 0;
}
/* if the networkname is not yet found, get the first entry from networknames */
if (networkname==NULL)
networkname=networknames[0];
/* get the addresses */
addresses=myldap_get_values(entry,attmap_network_ipNetworkNumber);
if ((addresses==NULL)||(addresses[0]==NULL))
{
log_log(LOG_WARNING,"%s: %s: missing",
myldap_get_dn(entry),attmap_network_ipNetworkNumber);
return 0;
}
/* write the entry */
WRITE_INT32(fp,NSLCD_RESULT_BEGIN);
WRITE_STRING(fp,networkname);
WRITE_STRINGLIST_EXCEPT(fp,networknames,networkname);
for (numaddr=0;addresses[numaddr]!=NULL;numaddr++)
/*noting*/ ;
WRITE_INT32(fp,numaddr);
for (i=0;i<numaddr;i++)
{
WRITE_ADDRESS(fp,entry,attmap_network_ipNetworkNumber,addresses[i]);
}
return 0;
}
NSLCD_HANDLE(
network,byname,
char name[256];
char filter[1024];
READ_STRING(fp,name);
log_setrequest("network=\"%s\"",name);,
NSLCD_ACTION_NETWORK_BYNAME,
mkfilter_network_byname(name,filter,sizeof(filter)),
write_network(fp,entry)
)
NSLCD_HANDLE(
network,byaddr,
int af;
char addr[64];
int len=sizeof(addr);
char addrstr[64];
char filter[1024];
READ_ADDRESS(fp,addr,len,af);
/* translate the address to a string */
if (inet_ntop(af,addr,addrstr,sizeof(addrstr))==NULL)
{
log_log(LOG_WARNING,"unable to convert address to string");
return -1;
}
log_setrequest("network=%s",addrstr);,
NSLCD_ACTION_NETWORK_BYADDR,
mkfilter_network_byaddr(addrstr,filter,sizeof(filter)),
write_network(fp,entry)
)
NSLCD_HANDLE(
network,all,
const char *filter;
log_setrequest("network(all)");,
NSLCD_ACTION_NETWORK_ALL,
(filter=network_filter,0),
write_network(fp,entry)
)
|