CommandListener.cpp revision 5817821cf10b5f7d13eb693ffbc3f80f13bc681b 
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 UnmountAsecCmd());
49    registerCmd(new ListAsecCmd());
50    registerCmd(new AsecPathCmd());
51}
52
53CommandListener::ListVolumesCmd::ListVolumesCmd() :
54                 VoldCommand("list_volumes") {
55}
56
57int CommandListener::ListVolumesCmd::runCommand(SocketClient *cli,
58                                                      int argc, char **argv) {
59    return VolumeManager::Instance()->listVolumes(cli);
60}
61
62CommandListener::MountCmd::MountCmd() :
63                 VoldCommand("mount") {
64}
65
66int CommandListener::MountCmd::runCommand(SocketClient *cli,
67                                                      int argc, char **argv) {
68    /* Synchronously mount a volume */
69    if (VolumeManager::Instance()->mountVolume(argv[1])) {
70        cli->sendMsg(ResponseCode::OperationFailed, "Failed to mount volume.", true);
71    } else {
72        cli->sendMsg(ResponseCode::CommandOkay, "Volume mounted.", false);
73    }
74
75    return 0;
76}
77
78CommandListener::UnmountCmd::UnmountCmd() :
79                 VoldCommand("unmount") {
80}
81
82int CommandListener::UnmountCmd::runCommand(SocketClient *cli,
83                                                      int argc, char **argv) {
84    /* Synchronously unmount a volume */
85    if (VolumeManager::Instance()->unmountVolume(argv[1])) {
86        cli->sendMsg(ResponseCode::OperationFailed, "Failed to unmount volume.", true);
87    } else {
88        cli->sendMsg(ResponseCode::CommandOkay, "Volume unmounted.", false);
89    }
90
91    return 0;
92}
93
94CommandListener::ShareCmd::ShareCmd() :
95                 VoldCommand("share") {
96}
97
98int CommandListener::ShareCmd::runCommand(SocketClient *cli,
99                                                      int argc, char **argv) {
100    if (VolumeManager::Instance()->shareVolume(argv[1], argv[2])) {
101        cli->sendMsg(ResponseCode::OperationFailed, "Failed to share volume.", true);
102    } else {
103        cli->sendMsg(ResponseCode::CommandOkay, "Volume shared.", false);
104    }
105
106    return 0;
107}
108
109CommandListener::UnshareCmd::UnshareCmd() :
110                 VoldCommand("unshare") {
111}
112
113int CommandListener::UnshareCmd::runCommand(SocketClient *cli,
114                                                      int argc, char **argv) {
115    if (VolumeManager::Instance()->unshareVolume(argv[1], argv[2])) {
116        cli->sendMsg(ResponseCode::OperationFailed, "Failed to unshare volume.", true);
117    } else {
118        cli->sendMsg(ResponseCode::CommandOkay, "Volume unshared.", false);
119    }
120
121    return 0;
122}
123
124CommandListener::ShareAvailableCmd::ShareAvailableCmd() :
125                 VoldCommand("share_available") {
126}
127
128int CommandListener::ShareAvailableCmd::runCommand(SocketClient *cli,
129                                                      int argc, char **argv) {
130    bool avail = false;
131
132    if (VolumeManager::Instance()->shareAvailable(argv[1], &avail)) {
133        cli->sendMsg(ResponseCode::OperationFailed,
134                     "Failed to determine share availability", true);
135    } else {
136        cli->sendMsg(ResponseCode::ShareAvailabilityResult,
137                     (avail ? "Share available" : "Share unavailable"),
138                     false);
139    }
140    return 0;
141}
142
143CommandListener::SimulateCmd::SimulateCmd() :
144                 VoldCommand("simulate") {
145}
146
147int CommandListener::SimulateCmd::runCommand(SocketClient *cli,
148                                            int argc, char **argv) {
149    if (VolumeManager::Instance()->simulate(argv[1], argv[2])) {
150        cli->sendMsg(ResponseCode::OperationFailed, "Failed to execute.", true);
151    } else {
152        cli->sendMsg(ResponseCode::CommandOkay, "Simulation executed.", false);
153    }
154
155    return 0;
156}
157
158CommandListener::FormatCmd::FormatCmd() :
159                 VoldCommand("format") {
160}
161
162int CommandListener::FormatCmd::runCommand(SocketClient *cli,
163                                            int argc, char **argv) {
164    if (VolumeManager::Instance()->formatVolume(argv[1])) {
165        cli->sendMsg(ResponseCode::OperationFailed, "Failed to format", true);
166    } else {
167        cli->sendMsg(ResponseCode::CommandOkay, "Volume formatted.", false);
168    }
169
170    return 0;
171}
172
173CommandListener::CreateAsecCmd::CreateAsecCmd() :
174                 VoldCommand("create_asec") {
175}
176
177int CommandListener::CreateAsecCmd::runCommand(SocketClient *cli,
178                                            int argc, char **argv) {
179    if (argc != 6) {
180        cli->sendMsg(ResponseCode::CommandSyntaxError,
181                     "Usage: create_asec <namespace-id> <size_mb> <fstype> <key> <ownerUid>",
182                     false);
183        return 0;
184    }
185
186    unsigned int numSectors = (atoi(argv[2]) * (1024 * 1024)) / 512;
187    if (VolumeManager::Instance()->createAsec(argv[1], numSectors,
188                                              argv[3], argv[4],
189                                              atoi(argv[5]))) {
190        cli->sendMsg(ResponseCode::OperationFailed, "Container creation failed", true);
191    } else {
192        cli->sendMsg(ResponseCode::CommandOkay, "Container created", false);
193    }
194
195    return 0;
196}
197
198CommandListener::FinalizeAsecCmd::FinalizeAsecCmd() :
199                 VoldCommand("finalize_asec") {
200}
201
202int CommandListener::FinalizeAsecCmd::runCommand(SocketClient *cli,
203                                            int argc, char **argv) {
204    if (argc != 2) {
205        cli->sendMsg(ResponseCode::CommandSyntaxError,
206                     "Usage: finalize_asec <namespace-id>", false);
207        return 0;
208    }
209
210    if (VolumeManager::Instance()->finalizeAsec(argv[1])) {
211        cli->sendMsg(ResponseCode::OperationFailed, "Container finalize failed", true);
212    } else {
213        cli->sendMsg(ResponseCode::CommandOkay, "Container finalized", false);
214    }
215    return 0;
216}
217
218CommandListener::DestroyAsecCmd::DestroyAsecCmd() :
219                 VoldCommand("destroy_asec") {
220}
221
222int CommandListener::DestroyAsecCmd::runCommand(SocketClient *cli,
223                                            int argc, char **argv) {
224    if (argc != 2) {
225        cli->sendMsg(ResponseCode::CommandSyntaxError,
226                     "Usage: destroy_asec <namespace-id>", false);
227        return 0;
228    }
229
230    if (VolumeManager::Instance()->destroyAsec(argv[1])) {
231        cli->sendMsg(ResponseCode::OperationFailed, "Destroy failed", true);
232    } else {
233        cli->sendMsg(ResponseCode::CommandOkay, "Container Destroyed", false);
234    }
235    return 0;
236}
237
238CommandListener::MountAsecCmd::MountAsecCmd() :
239                 VoldCommand("mount_asec") {
240}
241
242int CommandListener::MountAsecCmd::runCommand(SocketClient *cli,
243                                            int argc, char **argv) {
244    if (argc != 4) {
245        cli->sendMsg(ResponseCode::CommandSyntaxError,
246                     "Usage: mount_asec <namespace-id> <key> <ownerUid>", false);
247        return 0;
248    }
249
250    if (VolumeManager::Instance()->mountAsec(argv[1], argv[2], atoi(argv[3]))) {
251        cli->sendMsg(ResponseCode::OperationFailed, "Mount failed", true);
252    } else {
253        cli->sendMsg(ResponseCode::CommandOkay, "Mount succeeded", false);
254    }
255    return 0;
256}
257
258CommandListener::UnmountAsecCmd::UnmountAsecCmd() :
259                 VoldCommand("unmount_asec") {
260}
261
262int CommandListener::UnmountAsecCmd::runCommand(SocketClient *cli,
263                                            int argc, char **argv) {
264    if (argc != 2) {
265        cli->sendMsg(ResponseCode::CommandSyntaxError,
266                     "Usage: unmount_asec <namespace-id>", false);
267        return 0;
268    }
269
270    if (VolumeManager::Instance()->unmountAsec(argv[1])) {
271        cli->sendMsg(ResponseCode::OperationFailed, "Unmount failed", true);
272    } else {
273        cli->sendMsg(ResponseCode::CommandOkay, "Unmount succeeded", false);
274    }
275    return 0;
276}
277
278CommandListener::ListAsecCmd::ListAsecCmd() :
279                 VoldCommand("list_asec") {
280
281}
282
283int CommandListener::ListAsecCmd::runCommand(SocketClient *cli,
284                                            int argc, char **argv) {
285    DIR *d = opendir("/sdcard/android_secure");
286
287    if (!d) {
288        cli->sendMsg(ResponseCode::OperationFailed, "Failed to open asec dir", true);
289        return 0;
290    }
291
292    struct dirent *dent;
293    while ((dent = readdir(d))) {
294        if (dent->d_name[0] == '.')
295            continue;
296        if (!strcmp(&dent->d_name[strlen(dent->d_name)-5], ".asec")) {
297            char id[255];
298            memset(id, 0, sizeof(id));
299            strncpy(id, dent->d_name, strlen(dent->d_name) -5);
300            cli->sendMsg(ResponseCode::AsecListResult, id, false);
301        }
302    }
303    closedir(d);
304    cli->sendMsg(ResponseCode::CommandOkay, "ASEC listing complete", false);
305
306    return 0;
307}
308
309CommandListener::AsecPathCmd::AsecPathCmd() :
310                 VoldCommand("asec_path") {
311}
312
313int CommandListener::AsecPathCmd::runCommand(SocketClient *cli,
314                                            int argc, char **argv) {
315    if (argc != 2) {
316        cli->sendMsg(ResponseCode::CommandSyntaxError,
317                     "Usage: asec_path <namespace-id>", false);
318        return 0;
319    }
320
321    char mountPath[255];
322
323    if (VolumeManager::Instance()->getAsecMountPath(argv[1], mountPath,
324                                                    sizeof(mountPath))) {
325        cli->sendMsg(ResponseCode::OperationFailed, "Failed to get mount path", true);
326    } else {
327        cli->sendMsg(ResponseCode::AsecPathResult, mountPath, false);
328    }
329
330    return 0;
331}
332