source: branches/samba-3.3.x/source/lib/netapi/netapi.c

Last change on this file was 206, checked in by Herwig Bauernfeind, 16 years ago

Import Samba 3.3 branch at 3.0.0 level (psmedley's port)
File size: 8.1 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * NetApi Support
4 * Copyright (C) Guenther Deschner 2007-2008
5 *
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 3 of the License, or
9 * (at your option) any later version.
10 *
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
15 *
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, see <http://www.gnu.org/licenses/>.
18 */
19
20#include "includes.h"
21#include "lib/netapi/netapi.h"
22#include "lib/netapi/netapi_private.h"
23
24extern bool AllowDebugChange;
25
26struct libnetapi_ctx *stat_ctx = NULL;
27TALLOC_CTX *frame = NULL;
28static bool libnetapi_initialized = false;
29
30/****************************************************************
31****************************************************************/
32
33static NET_API_STATUS libnetapi_init_private_context(struct libnetapi_ctx *ctx)
34{
35 struct libnetapi_private_ctx *priv;
36
37 if (!ctx) {
38 return W_ERROR_V(WERR_INVALID_PARAM);
39 }
40
41 priv = TALLOC_ZERO_P(ctx, struct libnetapi_private_ctx);
42 if (!priv) {
43 return W_ERROR_V(WERR_NOMEM);
44 }
45
46 ctx->private_data = priv;
47
48 return NET_API_STATUS_SUCCESS;
49}
50
51/****************************************************************
52****************************************************************/
53
54NET_API_STATUS libnetapi_init(struct libnetapi_ctx **context)
55{
56 NET_API_STATUS status;
57 struct libnetapi_ctx *ctx = NULL;
58 char *krb5_cc_env = NULL;
59
60 if (stat_ctx && libnetapi_initialized) {
61 *context = stat_ctx;
62 return NET_API_STATUS_SUCCESS;
63 }
64
65#if 0
66 talloc_enable_leak_report();
67#endif
68 frame = talloc_stackframe();
69
70 ctx = talloc_zero(frame, struct libnetapi_ctx);
71 if (!ctx) {
72 TALLOC_FREE(frame);
73 return W_ERROR_V(WERR_NOMEM);
74 }
75
76 if (!DEBUGLEVEL) {
77 DEBUGLEVEL = 0;
78 }
79
80 /* prevent setup_logging() from closing x_stderr... */
81 dbf = 0;
82 setup_logging("libnetapi", true);
83
84 dbf = x_stderr;
85 x_setbuf(x_stderr, NULL);
86 AllowDebugChange = false;
87
88 load_case_tables();
89
90 if (!lp_load(get_dyn_CONFIGFILE(), true, false, false, false)) {
91 TALLOC_FREE(frame);
92 fprintf(stderr, "lp_load failed\n");
93 return W_ERROR_V(WERR_GENERAL_FAILURE);
94 }
95
96 AllowDebugChange = true;
97
98 init_names();
99 load_interfaces();
100 reopen_logs();
101
102 BlockSignals(True, SIGPIPE);
103
104 krb5_cc_env = getenv(KRB5_ENV_CCNAME);
105 if (!krb5_cc_env || (strlen(krb5_cc_env) == 0)) {
106 ctx->krb5_cc_env = talloc_strdup(frame, "MEMORY:libnetapi");
107 setenv(KRB5_ENV_CCNAME, ctx->krb5_cc_env, 1);
108 }
109
110 if (getenv("USER")) {
111 ctx->username = talloc_strdup(frame, getenv("USER"));
112 } else {
113 ctx->username = talloc_strdup(frame, "");
114 }
115 if (!ctx->username) {
116 TALLOC_FREE(frame);
117 fprintf(stderr, "libnetapi_init: out of memory\n");
118 return W_ERROR_V(WERR_NOMEM);
119 }
120
121 status = libnetapi_init_private_context(ctx);
122 if (status != 0) {
123 TALLOC_FREE(frame);
124 return status;
125 }
126
127 libnetapi_initialized = true;
128
129 *context = stat_ctx = ctx;
130
131 return NET_API_STATUS_SUCCESS;
132}
133
134/****************************************************************
135****************************************************************/
136
137NET_API_STATUS libnetapi_getctx(struct libnetapi_ctx **ctx)
138{
139 if (stat_ctx) {
140 *ctx = stat_ctx;
141 return NET_API_STATUS_SUCCESS;
142 }
143
144 return libnetapi_init(ctx);
145}
146
147/****************************************************************
148****************************************************************/
149
150NET_API_STATUS libnetapi_free(struct libnetapi_ctx *ctx)
151{
152 if (!ctx) {
153 return NET_API_STATUS_SUCCESS;
154 }
155
156 libnetapi_samr_free(ctx);
157
158 libnetapi_shutdown_cm(ctx);
159
160 if (ctx->krb5_cc_env) {
161 char *env = getenv(KRB5_ENV_CCNAME);
162 if (env && (strequal(ctx->krb5_cc_env, env))) {
163 unsetenv(KRB5_ENV_CCNAME);
164 }
165 }
166
167 gfree_names();
168 gfree_loadparm();
169 gfree_case_tables();
170 gfree_charcnv();
171 gfree_interfaces();
172
173 gencache_shutdown();
174 secrets_shutdown();
175
176 TALLOC_FREE(ctx);
177 TALLOC_FREE(frame);
178
179 gfree_debugsyms();
180
181 return NET_API_STATUS_SUCCESS;
182}
183
184/****************************************************************
185****************************************************************/
186
187NET_API_STATUS libnetapi_set_debuglevel(struct libnetapi_ctx *ctx,
188 const char *debuglevel)
189{
190 AllowDebugChange = true;
191 ctx->debuglevel = talloc_strdup(ctx, debuglevel);
192 if (!debug_parse_levels(debuglevel)) {
193 return W_ERROR_V(WERR_GENERAL_FAILURE);
194 }
195 return NET_API_STATUS_SUCCESS;
196}
197
198/****************************************************************
199****************************************************************/
200
201NET_API_STATUS libnetapi_get_debuglevel(struct libnetapi_ctx *ctx,
202 char **debuglevel)
203{
204 *debuglevel = ctx->debuglevel;
205 return NET_API_STATUS_SUCCESS;
206}
207
208/****************************************************************
209****************************************************************/
210
211NET_API_STATUS libnetapi_set_username(struct libnetapi_ctx *ctx,
212 const char *username)
213{
214 TALLOC_FREE(ctx->username);
215 ctx->username = talloc_strdup(ctx, username ? username : "");
216
217 if (!ctx->username) {
218 return W_ERROR_V(WERR_NOMEM);
219 }
220 return NET_API_STATUS_SUCCESS;
221}
222
223NET_API_STATUS libnetapi_set_password(struct libnetapi_ctx *ctx,
224 const char *password)
225{
226 TALLOC_FREE(ctx->password);
227 ctx->password = talloc_strdup(ctx, password);
228 if (!ctx->password) {
229 return W_ERROR_V(WERR_NOMEM);
230 }
231 return NET_API_STATUS_SUCCESS;
232}
233
234NET_API_STATUS libnetapi_set_workgroup(struct libnetapi_ctx *ctx,
235 const char *workgroup)
236{
237 TALLOC_FREE(ctx->workgroup);
238 ctx->workgroup = talloc_strdup(ctx, workgroup);
239 if (!ctx->workgroup) {
240 return W_ERROR_V(WERR_NOMEM);
241 }
242 return NET_API_STATUS_SUCCESS;
243}
244
245/****************************************************************
246****************************************************************/
247
248NET_API_STATUS libnetapi_set_use_kerberos(struct libnetapi_ctx *ctx)
249{
250 ctx->use_kerberos = true;
251 return NET_API_STATUS_SUCCESS;
252}
253
254/****************************************************************
255****************************************************************/
256
257const char *libnetapi_errstr(NET_API_STATUS status)
258{
259 if (status & 0xc0000000) {
260 return get_friendly_nt_error_msg(NT_STATUS(status));
261 }
262
263 return get_friendly_werror_msg(W_ERROR(status));
264}
265
266/****************************************************************
267****************************************************************/
268
269NET_API_STATUS libnetapi_set_error_string(struct libnetapi_ctx *ctx,
270 const char *format, ...)
271{
272 va_list args;
273
274 TALLOC_FREE(ctx->error_string);
275
276 va_start(args, format);
277 ctx->error_string = talloc_vasprintf(ctx, format, args);
278 va_end(args);
279
280 if (!ctx->error_string) {
281 return W_ERROR_V(WERR_NOMEM);
282 }
283 return NET_API_STATUS_SUCCESS;
284}
285
286/****************************************************************
287****************************************************************/
288
289const char *libnetapi_get_error_string(struct libnetapi_ctx *ctx,
290 NET_API_STATUS status_in)
291{
292 NET_API_STATUS status;
293 struct libnetapi_ctx *tmp_ctx = ctx;
294
295 if (!tmp_ctx) {
296 status = libnetapi_getctx(&tmp_ctx);
297 if (status != 0) {
298 return NULL;
299 }
300 }
301
302 if (tmp_ctx->error_string) {
303 return tmp_ctx->error_string;
304 }
305
306 return libnetapi_errstr(status_in);
307}
308
309/****************************************************************
310****************************************************************/
311
312NET_API_STATUS NetApiBufferAllocate(uint32_t byte_count,
313 void **buffer)
314{
315 void *buf = NULL;
316
317 if (!buffer) {
318 return W_ERROR_V(WERR_INSUFFICIENT_BUFFER);
319 }
320
321 if (byte_count == 0) {
322 goto done;
323 }
324
325 buf = talloc_size(NULL, byte_count);
326 if (!buf) {
327 return W_ERROR_V(WERR_NOMEM);
328 }
329
330 done:
331 *buffer = buf;
332
333 return NET_API_STATUS_SUCCESS;
334}
335
336/****************************************************************
337****************************************************************/
338
339NET_API_STATUS NetApiBufferFree(void *buffer)
340{
341 if (!buffer) {
342 return W_ERROR_V(WERR_INSUFFICIENT_BUFFER);
343 }
344
345 talloc_free(buffer);
346
347 return NET_API_STATUS_SUCCESS;
348}
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