source: trunk-3.0/source/libgpo/gpo_filesync.c@ 103

Last change on this file since 103 was 1, checked in by Paul Smedley, 19 years ago

Initial code import
File size: 5.2 KB
Line 
1/*
2 * Unix SMB/CIFS implementation.
3 * Group Policy Object Support
4 * Copyright (C) Guenther Deschner 2006
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 2 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, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 */
20
21#include "includes.h"
22
23struct sync_context {
24 TALLOC_CTX *mem_ctx;
25 struct cli_state *cli;
26 char *remote_path;
27 char *local_path;
28 pstring mask;
29 uint16 attribute;
30};
31
32static void gpo_sync_func(const char *mnt,
33 file_info *info,
34 const char *mask,
35 void *state);
36
37NTSTATUS gpo_copy_file(TALLOC_CTX *mem_ctx,
38 struct cli_state *cli,
39 const char *nt_path,
40 const char *unix_path)
41{
42 NTSTATUS result;
43 int fnum;
44 int fd = 0;
45 char *data = NULL;
46 static int io_bufsize = 64512;
47 int read_size = io_bufsize;
48 off_t start = 0;
49 off_t nread = 0;
50
51 if ((fnum = cli_open(cli, nt_path, O_RDONLY, DENY_NONE)) == -1) {
52 result = NT_STATUS_NO_SUCH_FILE;
53 goto out;
54 }
55
56 if ((fd = sys_open(unix_path, O_WRONLY|O_CREAT|O_TRUNC, 0644)) == -1) {
57 result = map_nt_error_from_unix(errno);
58 goto out;
59 }
60
61 if ((data = (char *)SMB_MALLOC(read_size)) == NULL) {
62 result = NT_STATUS_NO_MEMORY;
63 goto out;
64 }
65
66 while (1) {
67
68 int n = cli_read(cli, fnum, data, nread + start, read_size);
69
70 if (n <= 0)
71 break;
72
73 if (write(fd, data, n) != n) {
74 break;
75 }
76
77 nread += n;
78 }
79
80 result = NT_STATUS_OK;
81
82 out:
83 SAFE_FREE(data);
84 if (fnum) {
85 cli_close(cli, fnum);
86 }
87 if (fd) {
88 close(fd);
89 }
90
91 return result;
92}
93
94/****************************************************************
95 copy dir
96****************************************************************/
97
98static NTSTATUS gpo_copy_dir(const char *unix_path)
99{
100 if ((mkdir(unix_path, 0644)) < 0 && errno != EEXIST) {
101 return NT_STATUS_ACCESS_DENIED;
102 }
103
104 return NT_STATUS_OK;
105}
106
107/****************************************************************
108 sync files
109****************************************************************/
110
111static BOOL gpo_sync_files(struct sync_context *ctx)
112{
113 DEBUG(3,("calling cli_list with mask: %s\n", ctx->mask));
114
115 if (cli_list(ctx->cli, ctx->mask, ctx->attribute, gpo_sync_func, ctx) == -1) {
116 DEBUG(1,("listing [%s] failed with error: %s\n",
117 ctx->mask, cli_errstr(ctx->cli)));
118 return False;
119 }
120
121 return True;
122}
123
124/****************************************************************
125 syncronisation call back
126****************************************************************/
127
128static void gpo_sync_func(const char *mnt,
129 file_info *info,
130 const char *mask,
131 void *state)
132{
133 NTSTATUS result;
134 struct sync_context *ctx;
135 fstring nt_filename, unix_filename;
136 fstring nt_dir, unix_dir;
137 char *old_nt_dir, *old_unix_dir;
138
139 ctx = (struct sync_context *)state;
140
141 if (strequal(info->name, ".") || strequal(info->name, "..")) {
142 return;
143 }
144
145 DEBUG(5,("gpo_sync_func: got mask: [%s], name: [%s]\n",
146 mask, info->name));
147
148 if (info->mode & aDIR) {
149
150 DEBUG(3,("got dir: [%s]\n", info->name));
151
152 fstrcpy(nt_dir, ctx->remote_path);
153 fstrcat(nt_dir, "\\");
154 fstrcat(nt_dir, info->name);
155
156 fstrcpy(unix_dir, ctx->local_path);
157 fstrcat(unix_dir, "/");
158 fstrcat(unix_dir, info->name);
159
160 result = gpo_copy_dir(unix_dir);
161 if (!NT_STATUS_IS_OK(result)) {
162 DEBUG(1,("failed to copy dir: %s\n", nt_errstr(result)));
163 }
164
165 old_nt_dir = ctx->remote_path;
166 ctx->remote_path = nt_dir;
167
168 old_unix_dir = ctx->local_path;
169 ctx->local_path = talloc_strdup(ctx->mem_ctx, unix_dir);
170
171 pstrcpy(ctx->mask, nt_dir);
172 pstrcat(ctx->mask, "\\*");
173
174 if (!gpo_sync_files(ctx)) {
175 DEBUG(0,("could not sync files\n"));
176 }
177
178 ctx->remote_path = old_nt_dir;
179 ctx->local_path = old_unix_dir;
180 return;
181 }
182
183 DEBUG(3,("got file: [%s]\n", info->name));
184
185 fstrcpy(nt_filename, ctx->remote_path);
186 fstrcat(nt_filename, "\\");
187 fstrcat(nt_filename, info->name);
188
189 fstrcpy(unix_filename, ctx->local_path);
190 fstrcat(unix_filename, "/");
191 fstrcat(unix_filename, info->name);
192
193 result = gpo_copy_file(ctx->mem_ctx, ctx->cli, nt_filename, unix_filename);
194 if (!NT_STATUS_IS_OK(result)) {
195 DEBUG(1,("failed to copy file: %s\n", nt_errstr(result)));
196 }
197}
198
199
200/****************************************************************
201 list a remote directory and download recursivly
202****************************************************************/
203
204NTSTATUS gpo_sync_directories(TALLOC_CTX *mem_ctx,
205 struct cli_state *cli,
206 const char *nt_path,
207 const char *local_path)
208{
209 struct sync_context ctx;
210
211 ctx.mem_ctx = mem_ctx;
212 ctx.cli = cli;
213 ctx.remote_path = CONST_DISCARD(char *, nt_path);
214 ctx.local_path = CONST_DISCARD(char *, local_path);
215 ctx.attribute = (aSYSTEM | aHIDDEN | aDIR);
216
217 pstrcpy(ctx.mask, nt_path);
218 pstrcat(ctx.mask, "\\*");
219
220 if (!gpo_sync_files(&ctx)) {
221 return NT_STATUS_NO_SUCH_FILE;
222 }
223
224 return NT_STATUS_OK;
225}
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