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
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
|
/***********************************************************
Written by:
Fred Gansevles <Fred.Gansevles@cs.utwente.nl>
Vakgroep Spa,
Faculteit der Informatica,
Universiteit Twente,
Enschede,
the Netherlands.
******************************************************************/
/* NIS module implementation */
#include "allobjects.h"
#include "modsupport.h"
#include "ceval.h"
#include <rpcsvc/ypclnt.h>
#include <sys/time.h>
#include <sys/types.h>
#include <rpc/rpc.h>
#include <rpcsvc/yp_prot.h>
static struct nis_map {
char *alias;
char *map;
} aliases [] = {
{"passwd", "passwd.byname"},
{"group", "group.byname"},
{"networks", "networks.byaddr"},
{"hosts", "hosts.byname"},
{"protocols", "protocols.bynumber"},
{"services", "services.byname"},
{"aliases", "mail.aliases"},
{"ethers", "ethers.byname"},
{0L, 0L}
};
static char *
nis_mapname (map)
char *map;
{
int i;
for (i=0; aliases[i].alias != 0L; i++)
if (!strcmp (aliases[i].alias, map))
map = aliases[i].map;
return map;
}
static int
nis_foreach (instatus, inkey, inkeylen, inval, invallen,indata)
int instatus;
char *inkey;
int inkeylen;
char *inval;
int invallen;
object *indata;
{
if (instatus == YP_TRUE) {
inkey[inkeylen]=0;
inval[invallen]=0;
dictinsert (indata, inkey, newstringobject (inval));
return 0;
}
return 1;
}
static object *
nis_match (self, args)
object *self;
object *args;
{
char *match;
char *domain;
int len;
char *key, *map;
if (!getstrstrarg(args, &key, &map))
return NULL;
map = nis_mapname (map);
BGN_SAVE
yp_get_default_domain(&domain);
if (yp_match (domain, map, key, strlen (key), &match, &len) == 0)
match[len] = 0;
END_SAVE
return newstringobject (match);
}
static object *
nis_cat (self, args)
object *self;
object *args;
{
char *domain;
char *map;
struct ypall_callback cb;
object *cat;
if (!getstrarg(args, &map))
return NULL;
cat = newdictobject ();
if (cat == NULL)
return NULL;
map = nis_mapname (map);
cb.foreach = nis_foreach;
cb.data = (char *)cat;
yp_get_default_domain(&domain);
BGN_SAVE
yp_all (domain, map, &cb);
END_SAVE
return cat;
}
#define YPPROC_MAPLIST ((u_long)11)
#define YPPROG ((u_long)100004)
#define YPVERS ((u_long)2)
typedef char *domainname;
typedef char *mapname;
enum nisstat {
NIS_TRUE = 1,
NIS_NOMORE = 2,
NIS_FALSE = 0,
NIS_NOMAP = -1,
NIS_NODOM = -2,
NIS_NOKEY = -3,
NIS_BADOP = -4,
NIS_BADDB = -5,
NIS_YPERR = -6,
NIS_BADARGS = -7,
NIS_VERS = -8
};
typedef enum nisstat nisstat;
struct nismaplist {
mapname map;
struct nismaplist *next;
};
typedef struct nismaplist nismaplist;
struct nisresp_maplist {
nisstat stat;
nismaplist *maps;
};
typedef struct nisresp_maplist nisresp_maplist;
static struct timeval TIMEOUT = { 25, 0 };
static
bool_t
nis_xdr_domainname(xdrs, objp)
XDR *xdrs;
domainname *objp;
{
if (!xdr_string(xdrs, objp, YPMAXDOMAIN)) {
return (FALSE);
}
return (TRUE);
}
static
bool_t
nis_xdr_mapname(xdrs, objp)
XDR *xdrs;
mapname *objp;
{
if (!xdr_string(xdrs, objp, YPMAXMAP)) {
return (FALSE);
}
return (TRUE);
}
static
bool_t
nis_xdr_ypmaplist(xdrs, objp)
XDR *xdrs;
nismaplist *objp;
{
if (!nis_xdr_mapname(xdrs, &objp->map)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **)&objp->next, sizeof(nismaplist), nis_xdr_ypmaplist)) {
return (FALSE);
}
return (TRUE);
}
static
bool_t
nis_xdr_ypstat(xdrs, objp)
XDR *xdrs;
nisstat *objp;
{
if (!xdr_enum(xdrs, (enum_t *)objp)) {
return (FALSE);
}
return (TRUE);
}
static
bool_t
nis_xdr_ypresp_maplist(xdrs, objp)
XDR *xdrs;
nisresp_maplist *objp;
{
if (!nis_xdr_ypstat(xdrs, &objp->stat)) {
return (FALSE);
}
if (!xdr_pointer(xdrs, (char **)&objp->maps, sizeof(nismaplist), nis_xdr_ypmaplist)) {
return (FALSE);
}
return (TRUE);
}
static
nisresp_maplist *
nisproc_maplist_2(argp, clnt)
domainname *argp;
CLIENT *clnt;
{
static nisresp_maplist res;
#ifdef hpux
memset(&res, 0, sizeof(res));
#else hpux
memset(&res, sizeof(res));
#endif hpux
if (clnt_call(clnt, YPPROC_MAPLIST, nis_xdr_domainname, argp, nis_xdr_ypresp_maplist
, &res, TIMEOUT) != RPC_SUCCESS) {
return (NULL);
}
return (&res);
}
static
nismaplist *
nis_maplist ()
{
nisresp_maplist *list;
char *dom;
CLIENT *cl, *clnt_create();
char *server;
yp_get_default_domain (&dom);
yp_master (dom, aliases[0].map, &server);
cl = clnt_create(server, YPPROG, YPVERS, "tcp");
if (cl == NULL) {
clnt_pcreateerror(server);
return NULL;
}
list = nisproc_maplist_2 (&dom, cl);
if (list == NULL)
return NULL;
if (list->stat != NIS_TRUE)
return NULL;
return list->maps;
}
static object *
nis_maps (self, args)
object *self;
object *args;
{
nismaplist *maps;
object *list;
if ((maps = nis_maplist ()) == NULL)
return NULL;
if ((list = newlistobject(0)) == NULL)
return NULL;
BGN_SAVE
for (maps = maps->next; maps; maps = maps->next)
addlistitem (list, newstringobject (maps->map));
END_SAVE
return list;
}
static struct methodlist nis_methods[] = {
{"match", nis_match},
{"cat", nis_cat},
{"maps", nis_maps},
{NULL, NULL} /* Sentinel */
};
void
initnis ()
{
(void) initmodule("nis", nis_methods);
}
|
