1 /*
2 * Copyright (C) 2004, 2005, 2008 Internet Systems Consortium, Inc. ("ISC")
3 * Copyright (C) 1996-1999, 2001, 2003 Internet Software Consortium.
4 *
5 * Permission to use, copy, modify, and/or distribute this software for any
6 * purpose with or without fee is hereby granted, provided that the above
7 * copyright notice and this permission notice appear in all copies.
8 *
9 * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
10 * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
11 * AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
12 * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
13 * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
14 * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
15 * PERFORMANCE OF THIS SOFTWARE.
16 */
17
18 /* Imports */
19
20 #include "port_before.h"
21
22 #if !defined(__BIND_NOSTATIC)
23
24 #include <sys/types.h>
25
26 #include <netinet/in.h>
27 #include <arpa/nameser.h>
28
29 #include <errno.h>
30 #include <resolv.h>
31 #include <stdio.h>
32
33 #include <irs.h>
34
35 #include "port_after.h"
36
37 #include "irs_data.h"
38
39 /* Forward */
40
41 static struct net_data *init(void);
42
43
44 /* Public */
45
46 #ifndef SETNETGRENT_ARGS
47 #define SETNETGRENT_ARGS const char *netgroup
48 #endif
49 void
setnetgrent(SETNETGRENT_ARGS)50 setnetgrent(SETNETGRENT_ARGS) {
51 struct net_data *net_data = init();
52
53 setnetgrent_p(netgroup, net_data);
54 }
55
56 void
endnetgrent(void)57 endnetgrent(void) {
58 struct net_data *net_data = init();
59
60 endnetgrent_p(net_data);
61 }
62
63 #ifndef INNETGR_ARGS
64 #define INNETGR_ARGS const char *netgroup, const char *host, \
65 const char *user, const char *domain
66 #endif
67 int
innetgr(INNETGR_ARGS)68 innetgr(INNETGR_ARGS) {
69 struct net_data *net_data = init();
70
71 return (innetgr_p(netgroup, host, user, domain, net_data));
72 }
73
74 int
getnetgrent(NGR_R_CONST char ** host,NGR_R_CONST char ** user,NGR_R_CONST char ** domain)75 getnetgrent(NGR_R_CONST char **host, NGR_R_CONST char **user,
76 NGR_R_CONST char **domain)
77 {
78 struct net_data *net_data = init();
79 const char *ch, *cu, *cd;
80 int ret;
81
82 ret = getnetgrent_p(&ch, &cu, &cd, net_data);
83 if (ret != 1)
84 return (ret);
85
86 DE_CONST(ch, *host);
87 DE_CONST(cu, *user);
88 DE_CONST(cd, *domain);
89 return (ret);
90 }
91
92 /* Shared private. */
93
94 void
setnetgrent_p(const char * netgroup,struct net_data * net_data)95 setnetgrent_p(const char *netgroup, struct net_data *net_data) {
96 struct irs_ng *ng;
97
98 if ((net_data != NULL) && ((ng = net_data->ng) != NULL))
99 (*ng->rewind)(ng, netgroup);
100 }
101
102 void
endnetgrent_p(struct net_data * net_data)103 endnetgrent_p(struct net_data *net_data) {
104 struct irs_ng *ng;
105
106 if (!net_data)
107 return;
108 if ((ng = net_data->ng) != NULL)
109 (*ng->close)(ng);
110 net_data->ng = NULL;
111 }
112
113 int
innetgr_p(const char * netgroup,const char * host,const char * user,const char * domain,struct net_data * net_data)114 innetgr_p(const char *netgroup, const char *host,
115 const char *user, const char *domain,
116 struct net_data *net_data) {
117 struct irs_ng *ng;
118
119 if (!net_data || !(ng = net_data->ng))
120 return (0);
121 return ((*ng->test)(ng, netgroup, host, user, domain));
122 }
123
124 int
getnetgrent_p(const char ** host,const char ** user,const char ** domain,struct net_data * net_data)125 getnetgrent_p(const char **host, const char **user, const char **domain,
126 struct net_data *net_data ) {
127 struct irs_ng *ng;
128
129 if (!net_data || !(ng = net_data->ng))
130 return (0);
131 return ((*ng->next)(ng, host, user, domain));
132 }
133
134 /* Private */
135
136 static struct net_data *
init(void)137 init(void) {
138 struct net_data *net_data;
139
140 if (!(net_data = net_data_init(NULL)))
141 goto error;
142 if (!net_data->ng) {
143 net_data->ng = (*net_data->irs->ng_map)(net_data->irs);
144 if (!net_data->ng) {
145 error:
146 errno = EIO;
147 return (NULL);
148 }
149 }
150
151 return (net_data);
152 }
153
154 #endif /*__BIND_NOSTATIC*/
155
156 /*! \file */
157