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"
30 /*****************************************************************
31 ****************************************************************/
33 static void store_printer_guid(struct messaging_context
*msg_ctx
,
34 const char *printer
, struct GUID guid
)
37 struct auth_serversupplied_info
*server_info
= NULL
;
43 tmp_ctx
= talloc_new(NULL
);
45 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
49 status
= make_server_info_system(tmp_ctx
, &server_info
);
50 if (!NT_STATUS_IS_OK(status
)) {
51 DEBUG(0, ("store_printer_guid: "
52 "Could not create system server_info\n"));
56 guid_str
= GUID_string(tmp_ctx
, &guid
);
58 DEBUG(0, ("store_printer_guid: Out of memory?!\n"));
62 /* We used to store this as a REG_BINARY but that causes
65 if (!push_reg_sz(tmp_ctx
, &blob
, guid_str
)) {
66 DEBUG(0, ("store_printer_guid: "
67 "Could not marshall string %s for objectGUID\n",
72 result
= winreg_set_printer_dataex(tmp_ctx
, server_info
, msg_ctx
,
74 SPOOL_DSSPOOLER_KEY
, "objectGUID",
75 REG_SZ
, blob
.data
, blob
.length
);
76 if (!W_ERROR_IS_OK(result
)) {
77 DEBUG(0, ("store_printer_guid: "
78 "Failed to store GUID for printer %s\n", printer
));
85 static WERROR
nt_printer_publish_ads(struct messaging_context
*msg_ctx
,
87 struct spoolss_PrinterInfo2
*pinfo2
)
91 char *prt_dn
= NULL
, *srv_dn
, *srv_cn_0
, *srv_cn_escaped
, *sharename_escaped
;
92 char *srv_dn_utf8
, **srv_cn_utf8
;
95 const char *attrs
[] = {"objectGUID", NULL
};
97 WERROR win_rc
= WERR_OK
;
98 size_t converted_size
;
99 const char *printer
= pinfo2
->sharename
;
101 /* build the ads mods */
102 ctx
= talloc_init("nt_printer_publish_ads");
107 DEBUG(5, ("publishing printer %s\n", printer
));
109 /* figure out where to publish */
110 ads_find_machine_acct(ads
, &res
, global_myname());
112 /* We use ldap_get_dn here as we need the answer
113 * in utf8 to call ldap_explode_dn(). JRA. */
115 srv_dn_utf8
= ldap_get_dn((LDAP
*)ads
->ldap
.ld
, (LDAPMessage
*)res
);
118 return WERR_SERVER_UNAVAILABLE
;
120 ads_msgfree(ads
, res
);
121 srv_cn_utf8
= ldap_explode_dn(srv_dn_utf8
, 1);
124 ldap_memfree(srv_dn_utf8
);
125 return WERR_SERVER_UNAVAILABLE
;
127 /* Now convert to CH_UNIX. */
128 if (!pull_utf8_talloc(ctx
, &srv_dn
, srv_dn_utf8
, &converted_size
)) {
130 ldap_memfree(srv_dn_utf8
);
131 ldap_memfree(srv_cn_utf8
);
132 return WERR_SERVER_UNAVAILABLE
;
134 if (!pull_utf8_talloc(ctx
, &srv_cn_0
, srv_cn_utf8
[0], &converted_size
)) {
136 ldap_memfree(srv_dn_utf8
);
137 ldap_memfree(srv_cn_utf8
);
139 return WERR_SERVER_UNAVAILABLE
;
142 ldap_memfree(srv_dn_utf8
);
143 ldap_memfree(srv_cn_utf8
);
145 srv_cn_escaped
= escape_rdn_val_string_alloc(srv_cn_0
);
146 if (!srv_cn_escaped
) {
148 return WERR_SERVER_UNAVAILABLE
;
150 sharename_escaped
= escape_rdn_val_string_alloc(printer
);
151 if (!sharename_escaped
) {
152 SAFE_FREE(srv_cn_escaped
);
154 return WERR_SERVER_UNAVAILABLE
;
157 prt_dn
= talloc_asprintf(ctx
, "cn=%s-%s,%s", srv_cn_escaped
, sharename_escaped
, srv_dn
);
159 SAFE_FREE(srv_cn_escaped
);
160 SAFE_FREE(sharename_escaped
);
162 mods
= ads_init_mods(ctx
);
170 ads_mod_str(ctx
, &mods
, SPOOL_REG_PRINTERNAME
, printer
);
173 ads_rc
= ads_mod_printer_entry(ads
, prt_dn
, ctx
, &mods
);
174 if (ads_rc
.err
.rc
== LDAP_NO_SUCH_OBJECT
) {
176 for (i
=0; mods
[i
] != 0; i
++)
178 mods
[i
] = (LDAPMod
*)-1;
179 ads_rc
= ads_add_printer_entry(ads
, prt_dn
, ctx
, &mods
);
182 if (!ADS_ERR_OK(ads_rc
)) {
183 DEBUG(3, ("error publishing %s: %s\n",
184 printer
, ads_errstr(ads_rc
)));
187 /* retreive the guid and store it locally */
188 if (ADS_ERR_OK(ads_search_dn(ads
, &res
, prt_dn
, attrs
))) {
190 ads_pull_guid(ads
, res
, &guid
);
191 ads_msgfree(ads
, res
);
192 store_printer_guid(msg_ctx
, printer
, guid
);
199 static WERROR
nt_printer_unpublish_ads(ADS_STRUCT
*ads
,
203 LDAPMessage
*res
= NULL
;
206 DEBUG(5, ("unpublishing printer %s\n", printer
));
208 /* remove the printer from the directory */
209 ads_rc
= ads_find_printer_on_server(ads
, &res
,
210 printer
, global_myname());
212 if (ADS_ERR_OK(ads_rc
) && res
&& ads_count_replies(ads
, res
)) {
213 prt_dn
= ads_get_dn(ads
, talloc_tos(), res
);
215 ads_msgfree(ads
, res
);
218 ads_rc
= ads_del_dn(ads
, prt_dn
);
223 ads_msgfree(ads
, res
);
228 /****************************************************************************
229 * Publish a printer in the directory
231 * @param mem_ctx memory context
232 * @param server_info server_info to access winreg pipe
233 * @param pinfo2 printer information
234 * @param action publish/unpublish action
235 * @return WERROR indicating status of publishing
236 ***************************************************************************/
238 WERROR
nt_printer_publish(TALLOC_CTX
*mem_ctx
,
239 struct auth_serversupplied_info
*server_info
,
240 struct messaging_context
*msg_ctx
,
241 struct spoolss_PrinterInfo2
*pinfo2
,
244 uint32_t info2_mask
= SPOOLSS_PRINTER_INFO_ATTRIBUTES
;
245 struct spoolss_SetPrinterInfo2
*sinfo2
;
247 ADS_STRUCT
*ads
= NULL
;
250 sinfo2
= talloc_zero(mem_ctx
, struct spoolss_SetPrinterInfo2
);
256 case DSPRINT_PUBLISH
:
258 pinfo2
->attributes
|= PRINTER_ATTRIBUTE_PUBLISHED
;
260 case DSPRINT_UNPUBLISH
:
261 pinfo2
->attributes
^= PRINTER_ATTRIBUTE_PUBLISHED
;
264 win_rc
= WERR_NOT_SUPPORTED
;
268 sinfo2
->attributes
= pinfo2
->attributes
;
270 win_rc
= winreg_update_printer(mem_ctx
, server_info
, msg_ctx
,
271 pinfo2
->sharename
, info2_mask
,
273 if (!W_ERROR_IS_OK(win_rc
)) {
274 DEBUG(3, ("err %d saving data\n", W_ERROR_V(win_rc
)));
280 ads
= ads_init(lp_realm(), lp_workgroup(), NULL
);
282 DEBUG(3, ("ads_init() failed\n"));
283 win_rc
= WERR_SERVER_UNAVAILABLE
;
286 setenv(KRB5_ENV_CCNAME
, "MEMORY:prtpub_cache", 1);
287 SAFE_FREE(ads
->auth
.password
);
288 ads
->auth
.password
= secrets_fetch_machine_password(lp_workgroup(),
291 /* ads_connect() will find the DC for us */
292 ads_rc
= ads_connect(ads
);
293 if (!ADS_ERR_OK(ads_rc
)) {
294 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc
)));
295 win_rc
= WERR_ACCESS_DENIED
;
300 case DSPRINT_PUBLISH
:
302 win_rc
= nt_printer_publish_ads(msg_ctx
, ads
, pinfo2
);
304 case DSPRINT_UNPUBLISH
:
305 win_rc
= nt_printer_unpublish_ads(ads
, pinfo2
->sharename
);
314 WERROR
check_published_printers(struct messaging_context
*msg_ctx
)
317 ADS_STRUCT
*ads
= NULL
;
319 int n_services
= lp_numservices();
320 TALLOC_CTX
*tmp_ctx
= NULL
;
321 struct auth_serversupplied_info
*server_info
= NULL
;
322 struct spoolss_PrinterInfo2
*pinfo2
;
326 tmp_ctx
= talloc_new(NULL
);
327 if (!tmp_ctx
) return WERR_NOMEM
;
329 ads
= ads_init(lp_realm(), lp_workgroup(), NULL
);
331 DEBUG(3, ("ads_init() failed\n"));
332 return WERR_SERVER_UNAVAILABLE
;
334 setenv(KRB5_ENV_CCNAME
, "MEMORY:prtpub_cache", 1);
335 SAFE_FREE(ads
->auth
.password
);
336 ads
->auth
.password
= secrets_fetch_machine_password(lp_workgroup(),
339 /* ads_connect() will find the DC for us */
340 ads_rc
= ads_connect(ads
);
341 if (!ADS_ERR_OK(ads_rc
)) {
342 DEBUG(3, ("ads_connect failed: %s\n", ads_errstr(ads_rc
)));
343 result
= WERR_ACCESS_DENIED
;
347 status
= make_server_info_system(tmp_ctx
, &server_info
);
348 if (!NT_STATUS_IS_OK(status
)) {
349 DEBUG(0, ("check_published_printers: "
350 "Could not create system server_info\n"));
351 result
= WERR_ACCESS_DENIED
;
355 for (snum
= 0; snum
< n_services
; snum
++) {
356 if (!lp_snum_ok(snum
) || !lp_print_ok(snum
)) {
360 result
= winreg_get_printer(tmp_ctx
, server_info
, msg_ctx
,
361 NULL
, lp_servicename(snum
),
363 if (!W_ERROR_IS_OK(result
)) {
367 if (pinfo2
->attributes
& PRINTER_ATTRIBUTE_PUBLISHED
) {
368 nt_printer_publish_ads(msg_ctx
, ads
, pinfo2
);
377 ads_kdestroy("MEMORY:prtpub_cache");
378 talloc_free(tmp_ctx
);
382 bool is_printer_published(TALLOC_CTX
*mem_ctx
,
383 struct auth_serversupplied_info
*server_info
,
384 char *servername
, char *printer
, struct GUID
*guid
,
385 struct spoolss_PrinterInfo2
**info2
)
387 struct spoolss_PrinterInfo2
*pinfo2
= NULL
;
388 enum winreg_Type type
;
394 result
= winreg_get_printer(mem_ctx
, server_info
,
395 smbd_messaging_context(),
396 servername
, printer
, &pinfo2
);
397 if (!W_ERROR_IS_OK(result
)) {
401 if (!(pinfo2
->attributes
& PRINTER_ATTRIBUTE_PUBLISHED
)) {
410 /* fetching printer guids really ought to be a separate function. */
412 result
= winreg_get_printer_dataex(mem_ctx
, server_info
,
413 smbd_messaging_context(), printer
,
414 SPOOL_DSSPOOLER_KEY
, "objectGUID",
415 &type
, &data
, &data_size
);
416 if (!W_ERROR_IS_OK(result
)) {
421 /* We used to store the guid as REG_BINARY, then swapped
422 to REG_SZ for Vista compatibility so check for both */
426 status
= GUID_from_string((char *)data
, guid
);
427 if (!NT_STATUS_IS_OK(status
)) {
434 if (data_size
!= sizeof(struct GUID
)) {
438 memcpy(guid
, data
, sizeof(struct GUID
));
441 DEBUG(0,("is_printer_published: GUID value stored as "
442 "invaluid type (%d)\n", type
));
448 *info2
= talloc_move(mem_ctx
, &pinfo2
);
454 WERROR
nt_printer_publish(TALLOC_CTX
*mem_ctx
,
455 struct auth_serversupplied_info
*server_info
,
456 struct spoolss_PrinterInfo2
*pinfo2
,
462 WERROR
check_published_printers(void)
467 bool is_printer_published(TALLOC_CTX
*mem_ctx
,
468 struct auth_serversupplied_info
*server_info
,
469 char *servername
, char *printer
, struct GUID
*guid
,
470 struct spoolss_PrinterInfo2
**info2
)
474 #endif /* HAVE_ADS */