2 Unix SMB/CIFS implementation.
3 service (connection) opening and closing
4 Copyright (C) Andrew Tridgell 1992-1998
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.
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.
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/>.
21 #include "system/filesys.h"
22 #include "../lib/tsocket/tsocket.h"
23 #include "smbd/smbd.h"
24 #include "smbd/globals.h"
25 #include "../librpc/gen_ndr/netlogon.h"
26 #include "../libcli/security/security.h"
27 #include "printing/pcap.h"
28 #include "passdb/lookup_sid.h"
31 static int load_registry_service(const char *servicename)
33 if (!lp_registry_shares()) {
37 if ((servicename == NULL) || (*servicename == '\0')) {
41 if (strequal(servicename, GLOBAL_NAME)) {
45 if (!process_registry_service(servicename)) {
49 return lp_servicenumber(servicename);
52 void load_registry_shares(void)
54 DEBUG(8, ("load_registry_shares()\n"));
55 if (!lp_registry_shares()) {
59 process_registry_shares();
64 /****************************************************************************
65 Add a home service. Returns the new service number or -1 if fail.
66 ****************************************************************************/
68 int add_home_service(const char *service, const char *username, const char *homedir)
72 if (!service || !homedir || homedir[0] == '\0')
75 if ((iHomeService = lp_servicenumber(HOMES_NAME)) < 0) {
76 if ((iHomeService = load_registry_service(HOMES_NAME)) < 0) {
82 * If this is a winbindd provided username, remove
83 * the domain component before adding the service.
84 * Log a warning if the "path=" parameter does not
89 const char *p = strchr(service,*lp_winbind_separator());
91 /* We only want the 'user' part of the string */
97 if (!lp_add_home(service, iHomeService, username, homedir)) {
101 return lp_servicenumber(service);
106 * Find a service entry.
108 * @param service is modified (to canonical form??)
111 int find_service(TALLOC_CTX *ctx, const char *service_in, char **p_service_out)
119 /* First make a copy. */
120 *p_service_out = talloc_strdup(ctx, service_in);
121 if (!*p_service_out) {
125 all_string_sub(*p_service_out,"\\","/",0);
127 iService = lp_servicenumber(*p_service_out);
129 /* now handle the special case of a home directory */
131 char *phome_dir = get_user_home_dir(ctx, *p_service_out);
135 * Try mapping the servicename, it may
136 * be a Windows to unix mapped user name.
138 if(map_username(ctx, *p_service_out, p_service_out)) {
139 if (*p_service_out == NULL) {
143 phome_dir = get_user_home_dir(
144 ctx, *p_service_out);
148 DEBUG(3,("checking for home directory %s gave %s\n",*p_service_out,
149 phome_dir?phome_dir:"(NULL)"));
151 iService = add_home_service(*p_service_out,*p_service_out /* 'username' */, phome_dir);
154 /* If we still don't have a service, attempt to add it as a printer. */
158 if ((iPrinterService = lp_servicenumber(PRINTERS_NAME)) < 0) {
159 iPrinterService = load_registry_service(PRINTERS_NAME);
161 if (iPrinterService >= 0) {
162 DEBUG(3,("checking whether %s is a valid printer name...\n",
164 if (pcap_printername_ok(*p_service_out)) {
165 DEBUG(3,("%s is a valid printer name\n",
167 DEBUG(3,("adding %s as a printer service\n",
169 lp_add_printer(*p_service_out, iPrinterService);
170 iService = lp_servicenumber(*p_service_out);
172 DEBUG(0,("failed to add %s as a printer service!\n",
176 DEBUG(3,("%s is not a valid printer name\n",
182 /* Check for default vfs service? Unsure whether to implement this */
187 iService = load_registry_service(*p_service_out);
190 /* Is it a usershare service ? */
191 if (iService < 0 && *lp_usershare_path()) {
192 /* Ensure the name is canonicalized. */
193 strlower_m(*p_service_out);
194 iService = load_usershare_service(*p_service_out);
197 /* just possibly it's a default service? */
199 char *pdefservice = lp_defaultservice();
202 !strequal(pdefservice, *p_service_out)
203 && !strstr_m(*p_service_out,"..")) {
205 * We need to do a local copy here as lp_defaultservice()
206 * returns one of the rotating lp_string buffers that
207 * could get overwritten by the recursive find_service() call
208 * below. Fix from Josef Hinteregger <joehtg@joehtg.co.at>.
210 char *defservice = talloc_strdup(ctx, pdefservice);
216 /* Disallow anything except explicit share names. */
217 if (strequal(defservice,HOMES_NAME) ||
218 strequal(defservice, PRINTERS_NAME) ||
219 strequal(defservice, "IPC$")) {
220 TALLOC_FREE(defservice);
224 iService = find_service(ctx, defservice, p_service_out);
225 if (!*p_service_out) {
226 TALLOC_FREE(defservice);
231 all_string_sub(*p_service_out, "_","/",0);
232 iService = lp_add_service(*p_service_out, iService);
234 TALLOC_FREE(defservice);
239 if (!VALID_SNUM(iService)) {
240 DEBUG(0,("Invalid snum %d for %s\n",iService,
249 DEBUG(3,("find_service() failed to find service %s\n",
257 struct share_params *get_share_params(TALLOC_CTX *mem_ctx,
258 const char *sharename)
260 struct share_params *result;
264 snum = find_service(mem_ctx, sharename, &sname);
265 if (snum < 0 || sname == NULL) {
269 if (!(result = talloc(mem_ctx, struct share_params))) {
270 DEBUG(0, ("talloc failed\n"));
274 result->service = snum;