tevent: call epoll_panic() if EPOLL_CTL_DEL failed
[Samba/gebeck_regimport.git] / source3 / printing / nt_printing_migrate_internal.c
blob7142a5cb2414355c9c7582f1d7298149d159cf3d
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
5 * Copyright (c) Andreas Schneider 2010.
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3 of the License, or
10 * (at your option) any later version.
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, see <http://www.gnu.org/licenses/>.
21 #include "includes.h"
22 #include "system/filesys.h"
23 #include "printing/nt_printing_migrate.h"
24 #include "printing/nt_printing_migrate_internal.h"
26 #include "rpc_client/rpc_client.h"
27 #include "librpc/gen_ndr/ndr_spoolss_c.h"
28 #include "librpc/gen_ndr/ndr_winreg.h"
29 #include "rpc_server/rpc_ncacn_np.h"
30 #include "auth.h"
31 #include "util_tdb.h"
33 #define FORMS_PREFIX "FORMS/"
34 #define DRIVERS_PREFIX "DRIVERS/"
35 #define PRINTERS_PREFIX "PRINTERS/"
36 #define SECDESC_PREFIX "SECDESC/"
38 static int rename_file_with_suffix(TALLOC_CTX *mem_ctx,
39 const char *path,
40 const char *suffix)
42 int rc = -1;
43 char *dst_path;
45 dst_path = talloc_asprintf(mem_ctx, "%s%s", path, suffix);
46 if (dst_path == NULL) {
47 DEBUG(3, ("error out of memory\n"));
48 return rc;
51 rc = (rename(path, dst_path) != 0);
53 if (rc == 0) {
54 DEBUG(5, ("moved '%s' to '%s'\n", path, dst_path));
55 } else if (errno == ENOENT) {
56 DEBUG(3, ("file '%s' does not exist - so not moved\n", path));
57 rc = 0;
58 } else {
59 DEBUG(3, ("error renaming %s to %s: %s\n", path, dst_path,
60 strerror(errno)));
63 TALLOC_FREE(dst_path);
64 return rc;
67 static NTSTATUS migrate_internal(TALLOC_CTX *mem_ctx,
68 const char *tdb_path,
69 struct rpc_pipe_client *winreg_pipe)
71 const char *backup_suffix = ".bak";
72 TDB_DATA kbuf, dbuf;
73 TDB_CONTEXT *tdb;
74 NTSTATUS status;
75 int rc;
77 tdb = tdb_open_log(tdb_path, 0, TDB_DEFAULT, O_RDONLY, 0600);
78 if (tdb == NULL && errno == ENOENT) {
79 /* if we have no printers database then migration is
80 considered successful */
81 DEBUG(4, ("No printers database to migrate in %s\n", tdb_path));
82 return NT_STATUS_OK;
84 if (tdb == NULL) {
85 DEBUG(2, ("Failed to open tdb file: %s\n", tdb_path));
86 return NT_STATUS_NO_SUCH_FILE;
89 for (kbuf = tdb_firstkey_compat(tdb);
90 kbuf.dptr;
91 kbuf = tdb_nextkey_compat(tdb, kbuf))
93 dbuf = tdb_fetch_compat(tdb, kbuf);
94 if (!dbuf.dptr) {
95 continue;
98 if (strncmp((const char *) kbuf.dptr, FORMS_PREFIX, strlen(FORMS_PREFIX)) == 0) {
99 status = printing_tdb_migrate_form(mem_ctx,
100 winreg_pipe,
101 (const char *) kbuf.dptr + strlen(FORMS_PREFIX),
102 dbuf.dptr,
103 dbuf.dsize);
104 SAFE_FREE(dbuf.dptr);
105 if (!NT_STATUS_IS_OK(status)) {
106 tdb_close(tdb);
107 return status;
109 continue;
112 if (strncmp((const char *) kbuf.dptr, DRIVERS_PREFIX, strlen(DRIVERS_PREFIX)) == 0) {
113 status = printing_tdb_migrate_driver(mem_ctx,
114 winreg_pipe,
115 (const char *) kbuf.dptr + strlen(DRIVERS_PREFIX),
116 dbuf.dptr,
117 dbuf.dsize);
118 SAFE_FREE(dbuf.dptr);
119 if (!NT_STATUS_IS_OK(status)) {
120 tdb_close(tdb);
121 return status;
123 continue;
126 if (strncmp((const char *) kbuf.dptr, PRINTERS_PREFIX, strlen(PRINTERS_PREFIX)) == 0) {
127 const char *printer_name = (const char *)(kbuf.dptr
128 + strlen(PRINTERS_PREFIX));
129 status = printing_tdb_migrate_printer(mem_ctx,
130 winreg_pipe,
131 printer_name,
132 dbuf.dptr,
133 dbuf.dsize);
134 SAFE_FREE(dbuf.dptr);
135 if (!NT_STATUS_IS_OK(status)) {
136 tdb_close(tdb);
137 return status;
139 continue;
141 SAFE_FREE(dbuf.dptr);
144 for (kbuf = tdb_firstkey_compat(tdb);
145 kbuf.dptr;
146 kbuf = tdb_nextkey_compat(tdb, kbuf))
148 dbuf = tdb_fetch_compat(tdb, kbuf);
149 if (!dbuf.dptr) {
150 continue;
153 if (strncmp((const char *) kbuf.dptr, SECDESC_PREFIX, strlen(SECDESC_PREFIX)) == 0) {
154 const char *secdesc_name = (const char *)(kbuf.dptr
155 + strlen(SECDESC_PREFIX));
156 status = printing_tdb_migrate_secdesc(mem_ctx,
157 winreg_pipe,
158 secdesc_name,
159 dbuf.dptr,
160 dbuf.dsize);
161 SAFE_FREE(dbuf.dptr);
162 if (NT_STATUS_EQUAL(status, werror_to_ntstatus(WERR_BADFILE))) {
163 DEBUG(2, ("Skipping secdesc migration for non-existent "
164 "printer: %s\n", secdesc_name));
165 } else if (!NT_STATUS_IS_OK(status)) {
166 tdb_close(tdb);
167 return status;
169 continue;
171 SAFE_FREE(dbuf.dptr);
174 tdb_close(tdb);
176 rc = rename_file_with_suffix(mem_ctx, tdb_path, backup_suffix);
177 if (rc != 0) {
178 DEBUG(0, ("Error moving tdb to '%s%s'\n",
179 tdb_path, backup_suffix));
182 return NT_STATUS_OK;
185 bool nt_printing_tdb_migrate(struct messaging_context *msg_ctx)
187 const char *drivers_path = state_path("ntdrivers.tdb");
188 const char *printers_path = state_path("ntprinters.tdb");
189 const char *forms_path = state_path("ntforms.tdb");
190 bool drivers_exists = file_exist(drivers_path);
191 bool printers_exists = file_exist(printers_path);
192 bool forms_exists = file_exist(forms_path);
193 struct auth_session_info *session_info;
194 struct rpc_pipe_client *winreg_pipe = NULL;
195 TALLOC_CTX *tmp_ctx = talloc_stackframe();
196 NTSTATUS status;
198 if (!drivers_exists && !printers_exists && !forms_exists) {
199 talloc_free(tmp_ctx);
200 return true;
203 status = make_session_info_system(tmp_ctx, &session_info);
204 if (!NT_STATUS_IS_OK(status)) {
205 DEBUG(0, ("Couldn't create session_info: %s\n",
206 nt_errstr(status)));
207 talloc_free(tmp_ctx);
208 return false;
211 status = rpc_pipe_open_interface(tmp_ctx,
212 &ndr_table_winreg.syntax_id,
213 session_info,
214 NULL,
215 msg_ctx,
216 &winreg_pipe);
217 if (!NT_STATUS_IS_OK(status)) {
218 DEBUG(0, ("Couldn't open internal winreg pipe: %s\n",
219 nt_errstr(status)));
220 talloc_free(tmp_ctx);
221 return false;
224 if (drivers_exists) {
225 status = migrate_internal(tmp_ctx, drivers_path, winreg_pipe);
226 if (!NT_STATUS_IS_OK(status)) {
227 DEBUG(0, ("Couldn't migrate drivers tdb file: %s\n",
228 nt_errstr(status)));
229 talloc_free(tmp_ctx);
230 return false;
234 if (printers_exists) {
235 status = migrate_internal(tmp_ctx, printers_path, winreg_pipe);
236 if (!NT_STATUS_IS_OK(status)) {
237 DEBUG(0, ("Couldn't migrate printers tdb file: %s\n",
238 nt_errstr(status)));
239 talloc_free(tmp_ctx);
240 return false;
244 if (forms_exists) {
245 status = migrate_internal(tmp_ctx, forms_path, winreg_pipe);
246 if (!NT_STATUS_IS_OK(status)) {
247 DEBUG(0, ("Couldn't migrate forms tdb file: %s\n",
248 nt_errstr(status)));
249 talloc_free(tmp_ctx);
250 return false;
254 talloc_free(tmp_ctx);
255 return true;