2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 * Copyright (C) Andrew Tridgell 1992-2000,
5 * Copyright (C) Jean François Micouleau 1998-2000.
6 * Copyright (C) Gerald Carter 2002-2005.
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 #include "../librpc/gen_ndr/spoolss.h"
24 #include "rpc_server/srv_spoolss_util.h"
25 #include "nt_printing.h"
31 /*****************************************************************
32 ****************************************************************/
34 static void store_printer_guid(struct messaging_context *msg_ctx,
35 const char *printer, struct GUID guid)
38 struct auth_serversupplied_info *server_info = NULL;
44 tmp_ctx = talloc_new(NULL);
46 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
50 status = make_server_info_system(tmp_ctx, &server_info);
51 if (!NT_STATUS_IS_OK(status)) {
52 DEBUG(0, ("store_printer_guid: "
53 "Could not create system server_info\n"));
57 guid_str = GUID_string(tmp_ctx, &guid);
59 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
63 /* We used to store this as a REG_BINARY but that causes
66 if (!push_reg_sz(tmp_ctx, &blob, guid_str)) {
67 DEBUG(0, ("store_printer_guid: "
68 "Could not marshall string %s for objectGUID\n",
73 result = winreg_set_printer_dataex(tmp_ctx, server_info, msg_ctx,
75 SPOOL_DSSPOOLER_KEY, "objectGUID",
76 REG_SZ, blob.data, blob.length);
77 if (!W_ERROR_IS_OK(result)) {
78 DEBUG(0, ("store_printer_guid: "
79 "Failed to store GUID for printer %s\n", printer));
86 static WERROR nt_printer_publish_ads(struct messaging_context *msg_ctx,
88 struct spoolss_PrinterInfo2 *pinfo2)
92 char *prt_dn = NULL, *srv_dn, *srv_cn_0, *srv_cn_escaped, *sharename_escaped;
93 char *srv_dn_utf8, **srv_cn_utf8;
96 const char *attrs[] = {"objectGUID", NULL};
98 WERROR win_rc = WERR_OK;
99 size_t converted_size;
100 const char *printer = pinfo2->sharename;
102 /* build the ads mods */
103 ctx = talloc_init("nt_printer_publish_ads");
108 DEBUG(5, ("publishing printer %s\n", printer));
110 /* figure out where to publish */
111 ads_find_machine_acct(ads, &res, global_myname());
113 /* We use ldap_get_dn here as we need the answer
114 * in utf8 to call ldap_explode_dn(). JRA. */
116 srv_dn_utf8 = ldap_get_dn((LDAP *)ads->ldap.ld, (LDAPMessage *)res);
119 return WERR_SERVER_UNAVAILABLE;
121 ads_msgfree(ads, res);
122 srv_cn_utf8 = ldap_explode_dn(srv_dn_utf8, 1);
125 ldap_memfree(srv_dn_utf8);
126 return WERR_SERVER_UNAVAILABLE;
128 /* Now convert to CH_UNIX. */
129 if (!pull_utf8_talloc(ctx, &srv_dn, srv_dn_utf8, &converted_size)) {
131 ldap_memfree(srv_dn_utf8);
132 ldap_memfree(srv_cn_utf8);
133 return WERR_SERVER_UNAVAILABLE;
135 if (!pull_utf8_talloc(ctx, &srv_cn_0, srv_cn_utf8[0], &converted_size)) {
137 ldap_memfree(srv_dn_utf8);
138 ldap_memfree(srv_cn_utf8);
140 return WERR_SERVER_UNAVAILABLE;
143 ldap_memfree(srv_dn_utf8);
144 ldap_memfree(srv_cn_utf8);
146 srv_cn_escaped = escape_rdn_val_string_alloc(srv_cn_0);
147 if (!srv_cn_escaped) {
149 return WERR_SERVER_UNAVAILABLE;
151 sharename_escaped = escape_rdn_val_string_alloc(printer);
152 if (!sharename_escaped) {
153 SAFE_FREE(srv_cn_escaped);
155 return WERR_SERVER_UNAVAILABLE;
158 prt_dn = talloc_asprintf(ctx, "cn=%s-%s,%s", srv_cn_escaped, sharename_escaped, srv_dn);
160 SAFE_FREE(srv_cn_escaped);
161 SAFE_FREE(sharename_escaped);
163 mods = ads_init_mods(ctx);
171 ads_mod_str(ctx, &mods, SPOOL_REG_PRINTERNAME, printer);
174 ads_rc = ads_mod_printer_entry(ads, prt_dn, ctx, &mods);
175 if (ads_rc.err.rc == LDAP_NO_SUCH_OBJECT) {
177 for (i=0; mods[i] != 0; i++)
179 mods[i] = (LDAPMod *)-1;
180 ads_rc = ads_add_printer_entry(ads, prt_dn, ctx, &mods);
183 if (!ADS_ERR_OK(ads_rc)) {
184 DEBUG(3, ("error publishing %s: %s\n",
185 printer, ads_errstr(ads_rc)));
188 /* retreive the guid and store it locally */
189 if (ADS_ERR_OK(ads_search_dn(ads, &res, prt_dn, attrs))) {
191 ads_pull_guid(ads, res, &guid);
192 ads_msgfree(ads, res);
193 store_printer_guid(msg_ctx, printer, guid);
200 static WERROR nt_printer_unpublish_ads(ADS_STRUCT *ads,
204 LDAPMessage *res = NULL;
207 DEBUG(5, ("unpublishing printer %s\n", printer));
209 /* remove the printer from the directory */
210 ads_rc = ads_find_printer_on_server(ads, &res,
211 printer, global_myname());
213 if (ADS_ERR_OK(ads_rc) && res && ads_count_replies(ads, res)) {
214 prt_dn = ads_get_dn(ads, talloc_tos(), res);
216 ads_msgfree(ads, res);
219 ads_rc = ads_del_dn(ads, prt_dn);
224 ads_msgfree(ads, res);
229 /****************************************************************************
230 * Publish a printer in the directory
232 * @param mem_ctx memory context
233 * @param server_info server_info to access winreg pipe
234 * @param pinfo2 printer information
235 * @param action publish/unpublish action
236 * @return WERROR indicating status of publishing
237 ***************************************************************************/
239 WERROR nt_printer_publish(TALLOC_CTX *mem_ctx,
240 struct auth_serversupplied_info *server_info,
241 struct messaging_context *msg_ctx,
242 struct spoolss_PrinterInfo2 *pinfo2,
245 uint32_t info2_mask = SPOOLSS_PRINTER_INFO_ATTRIBUTES;
246 struct spoolss_SetPrinterInfo2 *sinfo2;
248 ADS_STRUCT *ads = NULL;
251 sinfo2 = talloc_zero(mem_ctx, struct spoolss_SetPrinterInfo2);
257 case DSPRINT_PUBLISH:
259 pinfo2->attributes |= PRINTER_ATTRIBUTE_PUBLISHED;
261 case DSPRINT_UNPUBLISH:
262 pinfo2->attributes ^= PRINTER_ATTRIBUTE_PUBLISHED;
265 win_rc = WERR_NOT_SUPPORTED;
269 sinfo2->attributes = pinfo2->attributes;
271 win_rc = winreg_update_printer(mem_ctx, server_info, msg_ctx,
272 pinfo2->sharename, info2_mask,
274 if (!W_ERROR_IS_OK(win_rc)) {
275 DEBUG(3, ("err %d saving data\n", W_ERROR_V(win_rc)));
281 ads = ads_init(lp_realm(), lp_workgroup(), NULL);
283 DEBUG(3, ("ads_init() failed\n"));
284 win_rc = WERR_SERVER_UNAVAILABLE;
287 setenv(KRB5_ENV_CCNAME, "MEMORY:prtpub_cache", 1);
288 SAFE_FREE(ads->auth.password);
289 ads->auth.password = secrets_fetch_machine_password(lp_workgroup(),
292 /* ads_connect() will find the DC for us */
293 ads_rc = ads_connect(ads);
294 if (!ADS_ERR_OK(ads_rc)) {
295 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc)));
296 win_rc = WERR_ACCESS_DENIED;
301 case DSPRINT_PUBLISH:
303 win_rc = nt_printer_publish_ads(msg_ctx, ads, pinfo2);
305 case DSPRINT_UNPUBLISH:
306 win_rc = nt_printer_unpublish_ads(ads, pinfo2->sharename);
315 WERROR check_published_printers(struct messaging_context *msg_ctx)
318 ADS_STRUCT *ads = NULL;
320 int n_services = lp_numservices();
321 TALLOC_CTX *tmp_ctx = NULL;
322 struct auth_serversupplied_info *server_info = NULL;
323 struct spoolss_PrinterInfo2 *pinfo2;
327 tmp_ctx = talloc_new(NULL);
328 if (!tmp_ctx) return WERR_NOMEM;
330 ads = ads_init(lp_realm(), lp_workgroup(), NULL);
332 DEBUG(3, ("ads_init() failed\n"));
333 return WERR_SERVER_UNAVAILABLE;
335 setenv(KRB5_ENV_CCNAME, "MEMORY:prtpub_cache", 1);
336 SAFE_FREE(ads->auth.password);
337 ads->auth.password = secrets_fetch_machine_password(lp_workgroup(),
340 /* ads_connect() will find the DC for us */
341 ads_rc = ads_connect(ads);
342 if (!ADS_ERR_OK(ads_rc)) {
343 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc)));
344 result = WERR_ACCESS_DENIED;
348 status = make_server_info_system(tmp_ctx, &server_info);
349 if (!NT_STATUS_IS_OK(status)) {
350 DEBUG(0, ("check_published_printers: "
351 "Could not create system server_info\n"));
352 result = WERR_ACCESS_DENIED;
356 for (snum = 0; snum < n_services; snum++) {
357 if (!lp_snum_ok(snum) || !lp_print_ok(snum)) {
361 result = winreg_get_printer(tmp_ctx, server_info, msg_ctx,
362 NULL, lp_servicename(snum),
364 if (!W_ERROR_IS_OK(result)) {
368 if (pinfo2->attributes & PRINTER_ATTRIBUTE_PUBLISHED) {
369 nt_printer_publish_ads(msg_ctx, ads, pinfo2);
378 ads_kdestroy("MEMORY:prtpub_cache");
379 talloc_free(tmp_ctx);
383 bool is_printer_published(TALLOC_CTX *mem_ctx,
384 struct auth_serversupplied_info *server_info,
385 struct messaging_context *msg_ctx,
386 char *servername, char *printer, struct GUID *guid,
387 struct spoolss_PrinterInfo2 **info2)
389 struct spoolss_PrinterInfo2 *pinfo2 = NULL;
390 enum winreg_Type type;
396 result = winreg_get_printer(mem_ctx, server_info, msg_ctx,
397 servername, printer, &pinfo2);
398 if (!W_ERROR_IS_OK(result)) {
402 if (!(pinfo2->attributes & PRINTER_ATTRIBUTE_PUBLISHED)) {
411 /* fetching printer guids really ought to be a separate function. */
413 result = winreg_get_printer_dataex(mem_ctx, server_info, msg_ctx,
415 SPOOL_DSSPOOLER_KEY, "objectGUID",
416 &type, &data, &data_size);
417 if (!W_ERROR_IS_OK(result)) {
422 /* We used to store the guid as REG_BINARY, then swapped
423 to REG_SZ for Vista compatibility so check for both */
427 status = GUID_from_string((char *)data, guid);
428 if (!NT_STATUS_IS_OK(status)) {
435 if (data_size != sizeof(struct GUID)) {
439 memcpy(guid, data, sizeof(struct GUID));
442 DEBUG(0,("is_printer_published: GUID value stored as "
443 "invaluid type (%d)\n", type));
449 *info2 = talloc_move(mem_ctx, &pinfo2);
455 WERROR nt_printer_publish(TALLOC_CTX *mem_ctx,
456 struct auth_serversupplied_info *server_info,
457 struct messaging_context *msg_ctx,
458 struct spoolss_PrinterInfo2 *pinfo2,
464 WERROR check_published_printers(struct messaging_context *msg_ctx)
469 bool is_printer_published(TALLOC_CTX *mem_ctx,
470 struct auth_serversupplied_info *server_info,
471 struct messaging_context *msg_ctx,
472 char *servername, char *printer, struct GUID *guid,
473 struct spoolss_PrinterInfo2 **info2)
477 #endif /* HAVE_ADS */