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
293
294
295
296
|
/*
* Copyright 2008,2011,2012 Red Hat, Inc.
*
* This Program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; version 2 of the License.
*
* This Program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this Program; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <sys/types.h>
#include <sys/socket.h>
#include <arpa/inet.h>
#include <assert.h>
#include <errno.h>
#include <fcntl.h>
#include <netinet/in.h>
#include <poll.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <rpc/rpc.h>
#include "../yp/yp.h"
#ifdef HAVE_TCPD_H
#include <tcpd.h>
#endif
#ifdef HAVE_DIRSRV_SLAPI_PLUGIN_H
#include <nspr.h>
#include <nss.h>
#include <dirsrv/slapi-plugin.h>
#else
#include <slapi-plugin.h>
#endif
#include "backend.h"
#include "back-shr.h"
#include "map.h"
#include "plugin.h"
#include "portmap.h"
#include "wrap.h"
#define PLUGIN_ID "schema-compat-plugin"
#define PLUGIN_PREOP_ID PLUGIN_ID "-preop"
#define PLUGIN_BETXN_PREOP_ID PLUGIN_ID "-betxn_preop"
#define PLUGIN_BETXN_POSTOP_ID PLUGIN_ID "-betxn_postop"
#define PLUGIN_POSTOP_ID PLUGIN_ID "-postop"
#define PLUGIN_INTERNAL_POSTOP_ID PLUGIN_ID "-internal-postop"
/* the module initialization function */
static Slapi_PluginDesc
plugin_description = {
.spd_id = PLUGIN_ID,
.spd_vendor = "redhat.com",
.spd_version = PACKAGE_VERSION PACKAGE_VERSION_TXNS,
.spd_description = "Schema Compatibility Plugin",
};
static struct plugin_state *global_plugin_state;
/* Handle the part of startup that needs to be done before we drop privileges,
* which for this plugin isn't much at all. */
static int
plugin_state_init(Slapi_PBlock *pb, struct plugin_state **lstate)
{
struct plugin_state *state = NULL;
state = malloc(sizeof(*state));
if (state == NULL) {
return -1;
}
memset(state, 0, sizeof(*state));
state->plugin_base = NULL;
state->plugin_desc = &plugin_description;
slapi_pblock_get(pb, SLAPI_PLUGIN_IDENTITY, &state->plugin_identity);
state->plugin_base = NULL;
*lstate = state;
return 0;
}
static int
plugin_startup(Slapi_PBlock *pb)
{
/* Populate the maps and data. */
struct plugin_state *state;
slapi_pblock_get(pb, SLAPI_PLUGIN_PRIVATE, &state);
slapi_pblock_get(pb, SLAPI_TARGET_DN, &state->plugin_base);
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"configuration entry is %s%s%s\n",
state->plugin_base ? "\"" : "",
state->plugin_base ? state->plugin_base : "NULL",
state->plugin_base ? "\"" : "");
/* Populate the tree of fake entries. */
backend_startup(pb, state);
state->pam_lock = wrap_new_rwlock();
/* Note that the plugin is ready to go. */
slapi_log_error(SLAPI_LOG_PLUGIN, plugin_description.spd_id,
"plugin startup completed\n");
return 0;
}
static int
plugin_shutdown(Slapi_PBlock *pb)
{
struct plugin_state *state;
slapi_pblock_get(pb, SLAPI_PLUGIN_PRIVATE, &state);
map_done(state);
wrap_free_rwlock(state->pam_lock);
state->pam_lock = NULL;
state->plugin_base = NULL;
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"plugin shutdown completed\n");
return 0;
}
static int
schema_compat_plugin_init_preop(Slapi_PBlock *pb)
{
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, global_plugin_state);
if (backend_init_preop(pb, global_plugin_state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN,
global_plugin_state->plugin_desc->spd_id,
"error registering preoperation hooks\n");
return -1;
}
return 0;
}
#ifdef SLAPI_NIS_SUPPORT_BE_TXNS
static int
schema_compat_plugin_init_betxnpreop(Slapi_PBlock *pb)
{
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, global_plugin_state);
if (backend_init_betxn_preop(pb, global_plugin_state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN,
global_plugin_state->plugin_desc->spd_id,
"error registering preoperation hooks\n");
return -1;
}
return 0;
}
static int
schema_compat_plugin_init_betxn_postop(Slapi_PBlock *pb)
{
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, global_plugin_state);
if (backend_init_betxn_postop(pb, global_plugin_state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN,
global_plugin_state->plugin_desc->spd_id,
"error registering betxn postoperation "
"hooks\n");
return -1;
}
return 0;
}
#endif
static int
schema_compat_plugin_init_postop(Slapi_PBlock *pb)
{
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, global_plugin_state);
if (backend_init_postop(pb, global_plugin_state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN,
global_plugin_state->plugin_desc->spd_id,
"error registering postoperation hooks\n");
return -1;
}
return 0;
}
static int
schema_compat_plugin_init_internal_postop(Slapi_PBlock *pb)
{
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, global_plugin_state);
if (backend_init_internal_postop(pb, global_plugin_state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN,
global_plugin_state->plugin_desc->spd_id,
"error registering internal postop hooks\n");
return -1;
}
return 0;
}
int
schema_compat_plugin_init(Slapi_PBlock *pb)
{
struct plugin_state *state = NULL;
Slapi_Entry *plugin_entry = NULL;
int is_betxn = 0;
/* Allocate a memory pool. */
if (plugin_state_init(pb, &state) == -1) {
slapi_log_error(SLAPI_LOG_PLUGIN, plugin_description.spd_id,
"error setting up plugin\n");
return -1;
}
/* Read global configuration. */
if ((slapi_pblock_get(pb, SLAPI_PLUGIN_CONFIG_ENTRY,
&plugin_entry) == 0) &&
(plugin_entry != NULL)) {
is_betxn = backend_shr_get_vattr_boolean(state, plugin_entry,
"nsslapd-pluginbetxn",
DEFAULT_PLUGIN_USE_BETXNS);
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"starting with betxn support %s\n",
is_betxn ? "enabled" : "disabled");
state->use_be_txns = is_betxn;
}
/* Minimally set up our cache. */
map_init(pb, state);
/* Register the plugin with the server. */
slapi_pblock_set(pb, SLAPI_PLUGIN_VERSION, SLAPI_PLUGIN_VERSION_03);
slapi_pblock_set(pb, SLAPI_PLUGIN_DESCRIPTION, &plugin_description);
slapi_pblock_set(pb, SLAPI_PLUGIN_START_FN, &plugin_startup);
slapi_pblock_set(pb, SLAPI_PLUGIN_CLOSE_FN, &plugin_shutdown);
slapi_pblock_set(pb, SLAPI_PLUGIN_PRIVATE, state);
/* Register the sub-plugins. */
global_plugin_state = state;
if (slapi_register_plugin("preoperation", TRUE,
"schema_compat_plugin_init_preop",
schema_compat_plugin_init_preop,
PLUGIN_PREOP_ID, NULL,
state->plugin_identity) != 0) {
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"error registering preoperation plugin\n");
return -1;
}
#ifdef SLAPI_NIS_SUPPORT_BE_TXNS
if (slapi_register_plugin("betxnpreoperation", TRUE,
"schema_compat_plugin_init_betxnpreop",
schema_compat_plugin_init_betxnpreop,
PLUGIN_BETXN_PREOP_ID, NULL,
state->plugin_identity) != 0) {
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"error registering betxn preoperation plugin\n");
return -1;
}
#endif
if (slapi_register_plugin("postoperation", TRUE,
"schema_compat_plugin_init_postop",
schema_compat_plugin_init_postop,
PLUGIN_POSTOP_ID, NULL,
state->plugin_identity) != 0) {
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"error registering postoperation plugin\n");
return -1;
}
if (slapi_register_plugin("internalpostoperation", TRUE,
"schema_compat_plugin_init_internal_postop",
schema_compat_plugin_init_internal_postop,
PLUGIN_INTERNAL_POSTOP_ID, NULL,
state->plugin_identity) != 0) {
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"error registering internal postoperation plugin\n");
return -1;
}
#ifdef SLAPI_NIS_SUPPORT_BE_TXNS
if (slapi_register_plugin("betxnpostoperation", TRUE,
"schema_compat_plugin_init_betxn_postop",
schema_compat_plugin_init_betxn_postop,
PLUGIN_BETXN_POSTOP_ID, NULL,
state->plugin_identity) != 0) {
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"error registering betxn postoperation plugin\n");
return -1;
}
#endif
slapi_log_error(SLAPI_LOG_PLUGIN, state->plugin_desc->spd_id,
"registered plugin hooks\n");
global_plugin_state = NULL;
/* Note that the plugin was successfully loaded. */
slapi_log_error(SLAPI_LOG_PLUGIN, plugin_description.spd_id,
"plugin initialized\n");
return 0;
}
|
