1 /* Copyright (C) 1997-2005 Luke Howard.
2    This file is part of the nss_ldap library.
3    Contributed by Luke Howard, <lukeh@padl.com>, 1997.
4 
5    The nss_ldap library is free software; you can redistribute it and/or
6    modify it under the terms of the GNU Library General Public License as
7    published by the Free Software Foundation; either version 2 of the
8    License, or (at your option) any later version.
9 
10    The nss_ldap library is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13    Library General Public License for more details.
14 
15    You should have received a copy of the GNU Library General Public
16    License along with the nss_ldap library; see the file COPYING.LIB.  If not,
17    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18    Boston, MA 02111-1307, USA.
19 
20    $Id: ldap-rpc.c,v 2.30 2008/10/30 20:49:47 lukeh Exp $
21  */
22 
23 /*
24    Determine the canonical name of the RPC with _nss_ldap_getrdnvalue(),
25    and assign any values of "cn" which do NOT match this canonical name
26    as aliases.
27  */
28 
29 
30 static char rcsId[] =
31   "$Id: ldap-rpc.c,v 2.30 2008/10/30 20:49:47 lukeh Exp $";
32 
33 #include "config.h"
34 
35 #ifdef HAVE_PORT_BEFORE_H
36 #include <port_before.h>
37 #endif
38 
39 #if defined(HAVE_THREAD_H) && !defined(_AIX)
40 #include <thread.h>
41 #elif defined(HAVE_PTHREAD_H)
42 #include <pthread.h>
43 #endif
44 
45 #include <stdio.h>
46 #include <stdlib.h>
47 #include <string.h>
48 
49 #ifdef HAVE_RPC_RPCENT_H
50 #include <rpc/rpcent.h>
51 #else
52 #include <netdb.h>
53 #endif
54 
55 #ifdef HAVE_LBER_H
56 #include <lber.h>
57 #endif
58 #ifdef HAVE_LDAP_H
59 #include <ldap.h>
60 #endif
61 
62 #include "ldap-nss.h"
63 #include "ldap-rpc.h"
64 #include "util.h"
65 
66 #ifdef HAVE_PORT_AFTER_H
67 #include <port_after.h>
68 #endif
69 
70 #if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H)
71 
72 #ifdef HAVE_NSS_H
73 static ent_context_t *rpc_context = NULL;
74 #endif
75 
76 static NSS_STATUS
_nss_ldap_parse_rpc(LDAPMessage * e,ldap_state_t * pvt,void * result,char * buffer,size_t buflen)77 _nss_ldap_parse_rpc (LDAPMessage * e,
78 		     ldap_state_t * pvt,
79 		     void *result, char *buffer, size_t buflen)
80 {
81 
82   struct rpcent *rpc = (struct rpcent *) result;
83   char *number;
84   NSS_STATUS stat;
85 
86   stat =
87     _nss_ldap_getrdnvalue (e, ATM (LM_RPC, cn), &rpc->r_name, &buffer,
88                            &buflen);
89   if (stat != NSS_SUCCESS)
90     return stat;
91 
92   stat =
93     _nss_ldap_assign_attrval (e, AT (oncRpcNumber), &number, &buffer,
94 			      &buflen);
95   if (stat != NSS_SUCCESS)
96     return stat;
97 
98   stat =
99     _nss_ldap_parse_int (number, 0, &rpc->r_number);
100   if (stat != NSS_SUCCESS)
101     return stat;
102 
103   stat =
104     _nss_ldap_assign_attrvals (e, ATM (LM_RPC, cn), rpc->r_name,
105                                &rpc->r_aliases, &buffer, &buflen, NULL);
106   if (stat != NSS_SUCCESS)
107     return stat;
108 
109   return NSS_SUCCESS;
110 }
111 
112 #ifdef HAVE_NSSWITCH_H
113 static NSS_STATUS
_nss_ldap_getrpcbyname_r(nss_backend_t * be,void * args)114 _nss_ldap_getrpcbyname_r (nss_backend_t * be, void *args)
115 {
116   LOOKUP_NAME (args, _nss_ldap_filt_getrpcbyname, LM_RPC,
117 	       _nss_ldap_parse_rpc, LDAP_NSS_BUFLEN_DEFAULT);
118 }
119 #elif defined(HAVE_NSS_H)
120 NSS_STATUS
_nss_ldap_getrpcbyname_r(const char * name,struct rpcent * result,char * buffer,size_t buflen,int * errnop)121 _nss_ldap_getrpcbyname_r (const char *name, struct rpcent *result,
122 			  char *buffer, size_t buflen, int *errnop)
123 {
124   LOOKUP_NAME (name, result, buffer, buflen, errnop,
125 	       _nss_ldap_filt_getrpcbyname, LM_RPC, _nss_ldap_parse_rpc,
126 	       LDAP_NSS_BUFLEN_DEFAULT);
127 }
128 #endif
129 
130 #ifdef HAVE_NSSWITCH_H
131 static NSS_STATUS
_nss_ldap_getrpcbynumber_r(nss_backend_t * be,void * args)132 _nss_ldap_getrpcbynumber_r (nss_backend_t * be, void *args)
133 {
134   LOOKUP_NUMBER (args, key.number, _nss_ldap_filt_getrpcbynumber, LM_RPC,
135 		 _nss_ldap_parse_rpc, LDAP_NSS_BUFLEN_DEFAULT);
136 }
137 #elif defined(HAVE_NSS_H)
138 NSS_STATUS
_nss_ldap_getrpcbynumber_r(int number,struct rpcent * result,char * buffer,size_t buflen,int * errnop)139 _nss_ldap_getrpcbynumber_r (int number, struct rpcent *result,
140 			    char *buffer, size_t buflen, int *errnop)
141 {
142   LOOKUP_NUMBER (number, result, buffer, buflen, errnop,
143 		 _nss_ldap_filt_getrpcbynumber, LM_RPC, _nss_ldap_parse_rpc,
144 	 	 LDAP_NSS_BUFLEN_DEFAULT);
145 }
146 #endif
147 
148 #ifdef HAVE_NSSWITCH_H
149 static NSS_STATUS
_nss_ldap_setrpcent_r(nss_backend_t * rpc_context,void * args)150 _nss_ldap_setrpcent_r (nss_backend_t * rpc_context, void *args)
151 #elif defined(HAVE_NSS_H)
152      NSS_STATUS _nss_ldap_setrpcent (void)
153 #endif
154 #if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H)
155 {
156   LOOKUP_SETENT (rpc_context);
157 }
158 #endif
159 
160 #ifdef HAVE_NSSWITCH_H
161 static NSS_STATUS
_nss_ldap_endrpcent_r(nss_backend_t * rpc_context,void * args)162 _nss_ldap_endrpcent_r (nss_backend_t * rpc_context, void *args)
163 #elif defined(HAVE_NSS_H)
164      NSS_STATUS _nss_ldap_endrpcent (void)
165 #endif
166 #if defined(HAVE_NSSWITCH_H) || defined(HAVE_NSS_H)
167 {
168   LOOKUP_ENDENT (rpc_context);
169 }
170 #endif
171 
172 #ifdef HAVE_NSSWITCH_H
173 static NSS_STATUS
_nss_ldap_getrpcent_r(nss_backend_t * rpc_context,void * args)174 _nss_ldap_getrpcent_r (nss_backend_t * rpc_context, void *args)
175 {
176   LOOKUP_GETENT (args, rpc_context, _nss_ldap_filt_getrpcent, LM_RPC,
177 		 _nss_ldap_parse_rpc, LDAP_NSS_BUFLEN_DEFAULT);
178 }
179 #elif defined(HAVE_NSS_H)
180 NSS_STATUS
_nss_ldap_getrpcent_r(struct rpcent * result,char * buffer,size_t buflen,int * errnop)181 _nss_ldap_getrpcent_r (struct rpcent *result, char *buffer, size_t buflen,
182 		       int *errnop)
183 {
184   LOOKUP_GETENT (rpc_context, result, buffer, buflen, errnop,
185 		 _nss_ldap_filt_getrpcent, LM_RPC, _nss_ldap_parse_rpc,
186 		 LDAP_NSS_BUFLEN_DEFAULT);
187 }
188 #endif
189 
190 #ifdef HAVE_NSSWITCH_H
191 static NSS_STATUS
_nss_ldap_rpc_destr(nss_backend_t * rpc_context,void * args)192 _nss_ldap_rpc_destr (nss_backend_t * rpc_context, void *args)
193 {
194   return _nss_ldap_default_destr (rpc_context, args);
195 }
196 
197 static nss_backend_op_t rpc_ops[] = {
198   _nss_ldap_rpc_destr,
199   _nss_ldap_endrpcent_r,
200   _nss_ldap_setrpcent_r,
201   _nss_ldap_getrpcent_r,
202   _nss_ldap_getrpcbyname_r,
203   _nss_ldap_getrpcbynumber_r
204 };
205 
206 nss_backend_t *
_nss_ldap_rpc_constr(const char * db_name,const char * src_name,const char * cfg_args)207 _nss_ldap_rpc_constr (const char *db_name,
208 		      const char *src_name, const char *cfg_args)
209 {
210   nss_ldap_backend_t *be;
211 
212   if (!(be = (nss_ldap_backend_t *) malloc (sizeof (*be))))
213     return NULL;
214 
215   be->ops = rpc_ops;
216   be->n_ops = sizeof (rpc_ops) / sizeof (nss_backend_op_t);
217 
218   if (_nss_ldap_default_constr (be) != NSS_SUCCESS)
219     return NULL;
220 
221   return (nss_backend_t *) be;
222 }
223 #endif /* HAVE_NSSWITCH_H */
224 
225 #endif /* !HAVE_IRS_H */
226