CommandListener.cpp revision dfe79492a4f5280e9de2db6fa749a7781c59f2a6 
1/*
2 * Copyright (C) 2008 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#include <stdlib.h>
18#include <sys/socket.h>
19#include <sys/types.h>
20#include <netinet/in.h>
21#include <arpa/inet.h>
22#include <dirent.h>
23#include <errno.h>
24
25#define LOG_TAG "CommandListener"
26#include <cutils/log.h>
27
28#include <sysutils/SocketClient.h>
29
30#include "CommandListener.h"
31#include "VolumeManager.h"
32#include "ResponseCode.h"
33
34CommandListener::CommandListener() :
35                 FrameworkListener("vold") {
36    registerCmd(new ListVolumesCmd());
37    registerCmd(new MountCmd());
38    registerCmd(new UnmountCmd());
39    registerCmd(new ShareCmd());
40    registerCmd(new UnshareCmd());
41    registerCmd(new ShareAvailableCmd());
42    registerCmd(new SimulateCmd());
43    registerCmd(new FormatCmd());
44    registerCmd(new CreateAsecCmd());
45    registerCmd(new FinalizeAsecCmd());
46    registerCmd(new DestroyAsecCmd());
47    registerCmd(new MountAsecCmd());
48    registerCmd(new ListAsecCmd());
49    registerCmd(new AsecPathCmd());
50}
51
52CommandListener::ListVolumesCmd::ListVolumesCmd() :
53                 VoldCommand("list_volumes") {
54}
55
56int CommandListener::ListVolumesCmd::runCommand(SocketClient *cli,
57                                                      int argc, char **argv) {
58    return VolumeManager::Instance()->listVolumes(cli);
59}
60
61CommandListener::MountCmd::MountCmd() :
62                 VoldCommand("mount") {
63}
64
65int CommandListener::MountCmd::runCommand(SocketClient *cli,
66                                                      int argc, char **argv) {
67    /* Synchronously mount a volume */
68    if (VolumeManager::Instance()->mountVolume(argv[1])) {
69        cli->sendMsg(ResponseCode::OperationFailed, "Failed to mount volume.", true);
70    } else {
71        cli->sendMsg(ResponseCode::CommandOkay, "Volume mounted.", false);
72    }
73
74    return 0;
75}
76
77CommandListener::UnmountCmd::UnmountCmd() :
78                 VoldCommand("unmount") {
79}
80
81int CommandListener::UnmountCmd::runCommand(SocketClient *cli,
82                                                      int argc, char **argv) {
83    /* Synchronously unmount a volume */
84    if (VolumeManager::Instance()->unmountVolume(argv[1])) {
85        cli->sendMsg(ResponseCode::OperationFailed, "Failed to unmount volume.", true);
86    } else {
87        cli->sendMsg(ResponseCode::CommandOkay, "Volume unmounted.", false);
88    }
89
90    return 0;
91}
92
93CommandListener::ShareCmd::ShareCmd() :
94                 VoldCommand("share") {
95}
96
97int CommandListener::ShareCmd::runCommand(SocketClient *cli,
98                                                      int argc, char **argv) {
99    if (VolumeManager::Instance()->shareVolume(argv[1], argv[2])) {
100        cli->sendMsg(ResponseCode::OperationFailed, "Failed to share volume.", true);
101    } else {
102        cli->sendMsg(ResponseCode::CommandOkay, "Volume shared.", false);
103    }
104
105    return 0;
106}
107
108CommandListener::UnshareCmd::UnshareCmd() :
109                 VoldCommand("unshare") {
110}
111
112int CommandListener::UnshareCmd::runCommand(SocketClient *cli,
113                                                      int argc, char **argv) {
114    if (VolumeManager::Instance()->unshareVolume(argv[1], argv[2])) {
115        cli->sendMsg(ResponseCode::OperationFailed, "Failed to unshare volume.", true);
116    } else {
117        cli->sendMsg(ResponseCode::CommandOkay, "Volume unshared.", false);
118    }
119
120    return 0;
121}
122
123CommandListener::ShareAvailableCmd::ShareAvailableCmd() :
124                 VoldCommand("share_available") {
125}
126
127int CommandListener::ShareAvailableCmd::runCommand(SocketClient *cli,
128                                                      int argc, char **argv) {
129    bool avail = false;
130
131    if (VolumeManager::Instance()->shareAvailable(argv[1], &avail)) {
132        cli->sendMsg(ResponseCode::OperationFailed,
133                     "Failed to determine share availability", true);
134    } else {
135        cli->sendMsg(ResponseCode::ShareAvailabilityResult,
136                     (avail ? "Share available" : "Share unavailable"),
137                     false);
138    }
139    return 0;
140}
141
142CommandListener::SimulateCmd::SimulateCmd() :
143                 VoldCommand("simulate") {
144}
145
146int CommandListener::SimulateCmd::runCommand(SocketClient *cli,
147                                            int argc, char **argv) {
148    if (VolumeManager::Instance()->simulate(argv[1], argv[2])) {
149        cli->sendMsg(ResponseCode::OperationFailed, "Failed to execute.", true);
150    } else {
151        cli->sendMsg(ResponseCode::CommandOkay, "Simulation executed.", false);
152    }
153
154    return 0;
155}
156
157CommandListener::FormatCmd::FormatCmd() :
158                 VoldCommand("format") {
159}
160
161int CommandListener::FormatCmd::runCommand(SocketClient *cli,
162                                            int argc, char **argv) {
163    if (VolumeManager::Instance()->formatVolume(argv[1])) {
164        cli->sendMsg(ResponseCode::OperationFailed, "Failed to format", true);
165    } else {
166        cli->sendMsg(ResponseCode::CommandOkay, "Volume formatted.", false);
167    }
168
169    return 0;
170}
171
172CommandListener::CreateAsecCmd::CreateAsecCmd() :
173                 VoldCommand("create_asec") {
174}
175
176int CommandListener::CreateAsecCmd::runCommand(SocketClient *cli,
177                                            int argc, char **argv) {
178    if (argc != 6) {
179        cli->sendMsg(ResponseCode::CommandSyntaxError,
180                     "Usage: create_asec <namespace-id> <size_mb> <fstype> <key> <ownerUid>",
181                     false);
182        return 0;
183    }
184
185    unsigned int numSectors = (atoi(argv[2]) * (1024 * 1024)) / 512;
186    if (VolumeManager::Instance()->createAsec(argv[1], numSectors,
187                                              argv[3], argv[4],
188                                              atoi(argv[5]))) {
189        cli->sendMsg(ResponseCode::OperationFailed, "Container creation failed", true);
190    } else {
191        cli->sendMsg(ResponseCode::CommandOkay, "Container created", false);
192    }
193
194    return 0;
195}
196
197CommandListener::FinalizeAsecCmd::FinalizeAsecCmd() :
198                 VoldCommand("finalize_asec") {
199}
200
201int CommandListener::FinalizeAsecCmd::runCommand(SocketClient *cli,
202                                            int argc, char **argv) {
203    if (argc != 2) {
204        cli->sendMsg(ResponseCode::CommandSyntaxError,
205                     "Usage: finalize_asec <namespace-id>", false);
206        return 0;
207    }
208
209    if (VolumeManager::Instance()->finalizeAsec(argv[1])) {
210        cli->sendMsg(ResponseCode::OperationFailed, "Container finalize failed", true);
211    } else {
212        cli->sendMsg(ResponseCode::CommandOkay, "Container finalized", false);
213    }
214    return 0;
215}
216
217CommandListener::DestroyAsecCmd::DestroyAsecCmd() :
218                 VoldCommand("destroy_asec") {
219}
220
221int CommandListener::DestroyAsecCmd::runCommand(SocketClient *cli,
222                                            int argc, char **argv) {
223    if (argc != 2) {
224        cli->sendMsg(ResponseCode::CommandSyntaxError,
225                     "Usage: destroy_asec <namespace-id>", false);
226        return 0;
227    }
228
229    if (VolumeManager::Instance()->destroyAsec(argv[1])) {
230        cli->sendMsg(ResponseCode::OperationFailed, "Destroy failed", true);
231    } else {
232        cli->sendMsg(ResponseCode::CommandOkay, "Container Destroyed", false);
233    }
234    return 0;
235}
236
237CommandListener::MountAsecCmd::MountAsecCmd() :
238                 VoldCommand("mount_asec") {
239}
240
241int CommandListener::MountAsecCmd::runCommand(SocketClient *cli,
242                                            int argc, char **argv) {
243    if (argc != 4) {
244        cli->sendMsg(ResponseCode::CommandSyntaxError,
245                     "Usage: mount_asec <namespace-id> <key> <ownerUid>", false);
246        return 0;
247    }
248
249    if (VolumeManager::Instance()->mountAsec(argv[1], argv[2], atoi(argv[3]))) {
250        cli->sendMsg(ResponseCode::OperationFailed, "Mount failed", true);
251    } else {
252        cli->sendMsg(ResponseCode::CommandOkay, "Mount succeeded", false);
253    }
254    return 0;
255}
256
257CommandListener::ListAsecCmd::ListAsecCmd() :
258                 VoldCommand("list_asec") {
259
260}
261
262int CommandListener::ListAsecCmd::runCommand(SocketClient *cli,
263                                            int argc, char **argv) {
264    DIR *d = opendir("/sdcard/android_secure");
265
266    if (!d) {
267        cli->sendMsg(ResponseCode::OperationFailed, "Failed to open asec dir", true);
268        return 0;
269    }
270
271    struct dirent *dent;
272    while ((dent = readdir(d))) {
273        if (dent->d_name[0] == '.')
274            continue;
275        if (!strcmp(&dent->d_name[strlen(dent->d_name)-5], ".asec")) {
276            char id[255];
277            memset(id, 0, sizeof(id));
278            strncpy(id, dent->d_name, strlen(dent->d_name) -5);
279            cli->sendMsg(ResponseCode::AsecListResult, id, false);
280        }
281    }
282    closedir(d);
283    cli->sendMsg(ResponseCode::CommandOkay, "ASEC listing complete", false);
284
285    return 0;
286}
287
288CommandListener::AsecPathCmd::AsecPathCmd() :
289                 VoldCommand("asec_path") {
290}
291
292int CommandListener::AsecPathCmd::runCommand(SocketClient *cli,
293                                            int argc, char **argv) {
294    if (argc != 2) {
295        cli->sendMsg(ResponseCode::CommandSyntaxError,
296                     "Usage: asec_path <namespace-id>", false);
297        return 0;
298    }
299
300    char mountPath[255];
301
302    if (VolumeManager::Instance()->getAsecMountPath(argv[1], mountPath,
303                                                    sizeof(mountPath))) {
304        cli->sendMsg(ResponseCode::OperationFailed, "Failed to get mount path", true);
305    } else {
306        cli->sendMsg(ResponseCode::AsecPathResult, mountPath, false);
307    }
308
309    return 0;
310}
311