Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 1 | /* |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 2 | * Copyright 2013 The Android Open Source Project |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 3 | * |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 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. |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 15 | */ |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 16 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 17 | #include <binder/Parcel.h> |
| 18 | #include <binder/ProcessState.h> |
| 19 | #include <binder/IServiceManager.h> |
Mathias Agopian | 002e1e5 | 2013-05-06 20:20:50 -0700 | [diff] [blame] | 20 | #include <binder/TextOutput.h> |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 21 | #include <cutils/ashmem.h> |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 22 | |
| 23 | #include <getopt.h> |
| 24 | #include <stdlib.h> |
| 25 | #include <stdio.h> |
| 26 | #include <string.h> |
| 27 | #include <unistd.h> |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 28 | #include <sys/mman.h> |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 29 | #include <sys/time.h> |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 30 | #include <sys/types.h> |
| 31 | #include <sys/stat.h> |
| 32 | #include <fcntl.h> |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 33 | |
| 34 | using namespace android; |
| 35 | |
| 36 | void writeString16(Parcel& parcel, const char* string) |
| 37 | { |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 38 | if (string != nullptr) |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 39 | { |
| 40 | parcel.writeString16(String16(string)); |
| 41 | } |
| 42 | else |
| 43 | { |
| 44 | parcel.writeInt32(-1); |
| 45 | } |
| 46 | } |
| 47 | |
| 48 | // get the name of the generic interface we hold a reference to |
| 49 | static String16 get_interface_name(sp<IBinder> service) |
| 50 | { |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 51 | if (service != nullptr) { |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 52 | Parcel data, reply; |
| 53 | status_t err = service->transact(IBinder::INTERFACE_TRANSACTION, data, &reply); |
| 54 | if (err == NO_ERROR) { |
| 55 | return reply.readString16(); |
| 56 | } |
| 57 | } |
| 58 | return String16(); |
| 59 | } |
| 60 | |
| 61 | static String8 good_old_string(const String16& src) |
| 62 | { |
| 63 | String8 name8; |
| 64 | char ch8[2]; |
| 65 | ch8[1] = 0; |
| 66 | for (unsigned j = 0; j < src.size(); j++) { |
| 67 | char16_t ch = src[j]; |
| 68 | if (ch < 128) ch8[0] = (char)ch; |
| 69 | name8.append(ch8); |
| 70 | } |
| 71 | return name8; |
| 72 | } |
| 73 | |
| 74 | int main(int argc, char* const argv[]) |
| 75 | { |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 76 | bool wantsUsage = false; |
| 77 | int result = 0; |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 78 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 79 | while (1) { |
Martijn Coenen | 3def1f2 | 2017-04-07 10:46:57 -0700 | [diff] [blame] | 80 | int ic = getopt(argc, argv, "h?"); |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 81 | if (ic < 0) |
| 82 | break; |
| 83 | |
| 84 | switch (ic) { |
| 85 | case 'h': |
| 86 | case '?': |
| 87 | wantsUsage = true; |
| 88 | break; |
| 89 | default: |
| 90 | aerr << "service: Unknown option -" << ic << endl; |
| 91 | wantsUsage = true; |
| 92 | result = 10; |
| 93 | break; |
| 94 | } |
| 95 | } |
Martijn Coenen | 3def1f2 | 2017-04-07 10:46:57 -0700 | [diff] [blame] | 96 | #ifdef VENDORSERVICES |
| 97 | ProcessState::initWithDriver("/dev/vndbinder"); |
| 98 | #endif |
Martijn Coenen | d6480ca | 2017-04-05 14:16:12 -0700 | [diff] [blame] | 99 | sp<IServiceManager> sm = defaultServiceManager(); |
| 100 | fflush(stdout); |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 101 | if (sm == nullptr) { |
Martijn Coenen | d6480ca | 2017-04-05 14:16:12 -0700 | [diff] [blame] | 102 | aerr << "service: Unable to get default service manager!" << endl; |
| 103 | return 20; |
| 104 | } |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 105 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 106 | if (optind >= argc) { |
| 107 | wantsUsage = true; |
| 108 | } else if (!wantsUsage) { |
| 109 | if (strcmp(argv[optind], "check") == 0) { |
| 110 | optind++; |
| 111 | if (optind < argc) { |
| 112 | sp<IBinder> service = sm->checkService(String16(argv[optind])); |
| 113 | aout << "Service " << argv[optind] << |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 114 | (service == nullptr ? ": not found" : ": found") << endl; |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 115 | } else { |
| 116 | aerr << "service: No service specified for check" << endl; |
| 117 | wantsUsage = true; |
| 118 | result = 10; |
| 119 | } |
| 120 | } |
| 121 | else if (strcmp(argv[optind], "list") == 0) { |
| 122 | Vector<String16> services = sm->listServices(); |
| 123 | aout << "Found " << services.size() << " services:" << endl; |
| 124 | for (unsigned i = 0; i < services.size(); i++) { |
| 125 | String16 name = services[i]; |
| 126 | sp<IBinder> service = sm->checkService(name); |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 127 | aout << i |
| 128 | << "\t" << good_old_string(name) |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 129 | << ": [" << good_old_string(get_interface_name(service)) << "]" |
| 130 | << endl; |
| 131 | } |
| 132 | } else if (strcmp(argv[optind], "call") == 0) { |
| 133 | optind++; |
| 134 | if (optind+1 < argc) { |
| 135 | int serviceArg = optind; |
| 136 | sp<IBinder> service = sm->checkService(String16(argv[optind++])); |
| 137 | String16 ifName = get_interface_name(service); |
| 138 | int32_t code = atoi(argv[optind++]); |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 139 | if (service != nullptr && ifName.size() > 0) { |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 140 | Parcel data, reply; |
| 141 | |
| 142 | // the interface name is first |
| 143 | data.writeInterfaceToken(ifName); |
| 144 | |
| 145 | // then the rest of the call arguments |
| 146 | while (optind < argc) { |
| 147 | if (strcmp(argv[optind], "i32") == 0) { |
| 148 | optind++; |
| 149 | if (optind >= argc) { |
| 150 | aerr << "service: no integer supplied for 'i32'" << endl; |
| 151 | wantsUsage = true; |
| 152 | result = 10; |
| 153 | break; |
| 154 | } |
| 155 | data.writeInt32(atoi(argv[optind++])); |
Jeff Brown | d46898f | 2015-04-06 19:42:43 -0700 | [diff] [blame] | 156 | } else if (strcmp(argv[optind], "i64") == 0) { |
| 157 | optind++; |
| 158 | if (optind >= argc) { |
| 159 | aerr << "service: no integer supplied for 'i64'" << endl; |
| 160 | wantsUsage = true; |
| 161 | result = 10; |
| 162 | break; |
| 163 | } |
| 164 | data.writeInt64(atoll(argv[optind++])); |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 165 | } else if (strcmp(argv[optind], "s16") == 0) { |
| 166 | optind++; |
| 167 | if (optind >= argc) { |
| 168 | aerr << "service: no string supplied for 's16'" << endl; |
| 169 | wantsUsage = true; |
| 170 | result = 10; |
| 171 | break; |
| 172 | } |
| 173 | data.writeString16(String16(argv[optind++])); |
Jeff Brown | d46898f | 2015-04-06 19:42:43 -0700 | [diff] [blame] | 174 | } else if (strcmp(argv[optind], "f") == 0) { |
| 175 | optind++; |
| 176 | if (optind >= argc) { |
| 177 | aerr << "service: no number supplied for 'f'" << endl; |
| 178 | wantsUsage = true; |
| 179 | result = 10; |
| 180 | break; |
| 181 | } |
| 182 | data.writeFloat(atof(argv[optind++])); |
| 183 | } else if (strcmp(argv[optind], "d") == 0) { |
| 184 | optind++; |
| 185 | if (optind >= argc) { |
| 186 | aerr << "service: no number supplied for 'd'" << endl; |
| 187 | wantsUsage = true; |
| 188 | result = 10; |
| 189 | break; |
| 190 | } |
| 191 | data.writeDouble(atof(argv[optind++])); |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 192 | } else if (strcmp(argv[optind], "null") == 0) { |
| 193 | optind++; |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 194 | data.writeStrongBinder(nullptr); |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 195 | } else if (strcmp(argv[optind], "fd") == 0) { |
| 196 | optind++; |
| 197 | if (optind >= argc) { |
| 198 | aerr << "service: no path supplied for 'fd'" << endl; |
| 199 | wantsUsage = true; |
| 200 | result = 10; |
| 201 | break; |
| 202 | } |
| 203 | const char *path = argv[optind++]; |
| 204 | int fd = open(path, O_RDONLY); |
| 205 | if (fd < 0) { |
| 206 | aerr << "service: could not open '" << path << "'" << endl; |
| 207 | wantsUsage = true; |
| 208 | result = 10; |
| 209 | break; |
| 210 | } |
| 211 | data.writeFileDescriptor(fd, true /* take ownership */); |
| 212 | } else if (strcmp(argv[optind], "afd") == 0) { |
| 213 | optind++; |
| 214 | if (optind >= argc) { |
| 215 | aerr << "service: no path supplied for 'afd'" << endl; |
| 216 | wantsUsage = true; |
| 217 | result = 10; |
| 218 | break; |
| 219 | } |
| 220 | const char *path = argv[optind++]; |
| 221 | int fd = open(path, O_RDONLY); |
| 222 | struct stat statbuf; |
| 223 | if (fd < 0 || fstat(fd, &statbuf) != 0) { |
| 224 | aerr << "service: could not open or stat '" << path << "'" << endl; |
| 225 | wantsUsage = true; |
| 226 | result = 10; |
| 227 | break; |
| 228 | } |
| 229 | int afd = ashmem_create_region("test", statbuf.st_size); |
| 230 | void* ptr = mmap(NULL, statbuf.st_size, |
| 231 | PROT_READ | PROT_WRITE, MAP_SHARED, afd, 0); |
| 232 | read(fd, ptr, statbuf.st_size); |
| 233 | close(fd); |
| 234 | data.writeFileDescriptor(afd, true /* take ownership */); |
| 235 | } else if (strcmp(argv[optind], "nfd") == 0) { |
| 236 | optind++; |
| 237 | if (optind >= argc) { |
| 238 | aerr << "service: no file descriptor supplied for 'nfd'" << endl; |
| 239 | wantsUsage = true; |
| 240 | result = 10; |
| 241 | break; |
| 242 | } |
| 243 | data.writeFileDescriptor( |
| 244 | atoi(argv[optind++]), true /* take ownership */); |
| 245 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 246 | } else if (strcmp(argv[optind], "intent") == 0) { |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 247 | |
| 248 | char* action = nullptr; |
| 249 | char* dataArg = nullptr; |
| 250 | char* type = nullptr; |
| 251 | int launchFlags = 0; |
| 252 | char* component = nullptr; |
| 253 | int categoryCount = 0; |
| 254 | char* categories[16]; |
| 255 | |
| 256 | char* context1 = nullptr; |
| 257 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 258 | optind++; |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 259 | |
| 260 | while (optind < argc) |
| 261 | { |
| 262 | char* key = strtok_r(argv[optind], "=", &context1); |
| 263 | char* value = strtok_r(nullptr, "=", &context1); |
| 264 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 265 | // we have reached the end of the XXX=XXX args. |
Yi Kong | 19d5c00 | 2018-07-20 13:39:55 -0700 | [diff] [blame] | 266 | if (key == nullptr) break; |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 267 | |
| 268 | if (strcmp(key, "action") == 0) |
| 269 | { |
| 270 | action = value; |
| 271 | } |
| 272 | else if (strcmp(key, "data") == 0) |
| 273 | { |
| 274 | dataArg = value; |
| 275 | } |
| 276 | else if (strcmp(key, "type") == 0) |
| 277 | { |
| 278 | type = value; |
| 279 | } |
| 280 | else if (strcmp(key, "launchFlags") == 0) |
| 281 | { |
| 282 | launchFlags = atoi(value); |
| 283 | } |
| 284 | else if (strcmp(key, "component") == 0) |
| 285 | { |
| 286 | component = value; |
| 287 | } |
| 288 | else if (strcmp(key, "categories") == 0) |
| 289 | { |
| 290 | char* context2 = nullptr; |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 291 | categories[categoryCount] = strtok_r(value, ",", &context2); |
| 292 | |
| 293 | while (categories[categoryCount] != nullptr) |
| 294 | { |
| 295 | categoryCount++; |
| 296 | categories[categoryCount] = strtok_r(nullptr, ",", &context2); |
| 297 | } |
| 298 | } |
| 299 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 300 | optind++; |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 301 | } |
| 302 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 303 | writeString16(data, action); |
| 304 | writeString16(data, dataArg); |
| 305 | writeString16(data, type); |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 306 | data.writeInt32(launchFlags); |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 307 | writeString16(data, component); |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 308 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 309 | if (categoryCount > 0) |
| 310 | { |
| 311 | data.writeInt32(categoryCount); |
| 312 | for (int i = 0 ; i < categoryCount ; i++) |
| 313 | { |
| 314 | writeString16(data, categories[i]); |
| 315 | } |
| 316 | } |
| 317 | else |
| 318 | { |
| 319 | data.writeInt32(0); |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 320 | } |
| 321 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 322 | // for now just set the extra field to be null. |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 323 | data.writeInt32(-1); |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 324 | } else { |
| 325 | aerr << "service: unknown option " << argv[optind] << endl; |
| 326 | wantsUsage = true; |
| 327 | result = 10; |
| 328 | break; |
| 329 | } |
| 330 | } |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 331 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 332 | service->transact(code, data, &reply); |
| 333 | aout << "Result: " << reply << endl; |
| 334 | } else { |
| 335 | aerr << "service: Service " << argv[serviceArg] |
| 336 | << " does not exist" << endl; |
| 337 | result = 10; |
| 338 | } |
| 339 | } else { |
| 340 | if (optind < argc) { |
| 341 | aerr << "service: No service specified for call" << endl; |
| 342 | } else { |
| 343 | aerr << "service: No code specified for call" << endl; |
| 344 | } |
| 345 | wantsUsage = true; |
| 346 | result = 10; |
| 347 | } |
| 348 | } else { |
| 349 | aerr << "service: Unknown command " << argv[optind] << endl; |
| 350 | wantsUsage = true; |
| 351 | result = 10; |
| 352 | } |
| 353 | } |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 354 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 355 | if (wantsUsage) { |
| 356 | aout << "Usage: service [-h|-?]\n" |
| 357 | " service list\n" |
| 358 | " service check SERVICE\n" |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 359 | " service call SERVICE CODE [i32 N | i64 N | f N | d N | s16 STR | null" |
| 360 | " | fd f | nfd n | afd f ] ...\n" |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 361 | "Options:\n" |
Jeff Brown | d46898f | 2015-04-06 19:42:43 -0700 | [diff] [blame] | 362 | " i32: Write the 32-bit integer N into the send parcel.\n" |
| 363 | " i64: Write the 64-bit integer N into the send parcel.\n" |
| 364 | " f: Write the 32-bit single-precision number N into the send parcel.\n" |
| 365 | " d: Write the 64-bit double-precision number N into the send parcel.\n" |
Marco Nelissen | b9ec70e | 2018-06-07 11:31:03 -0700 | [diff] [blame] | 366 | " s16: Write the UTF-16 string STR into the send parcel.\n" |
| 367 | " null: Write a null binder into the send parcel.\n" |
| 368 | " fd: Write a file descriptor for the file f to the send parcel.\n" |
| 369 | " nfd: Write file descriptor n to the send parcel.\n" |
| 370 | " afd: Write an ashmem file descriptor for a region containing the data from" |
| 371 | " file f to the send parcel.\n"; |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 372 | // " intent: Write and Intent int the send parcel. ARGS can be\n" |
| 373 | // " action=STR data=STR type=STR launchFlags=INT component=STR categories=STR[,STR,...]\n"; |
| 374 | return result; |
| 375 | } |
Marco Nelissen | 07e95a8 | 2019-07-16 08:50:21 -0700 | [diff] [blame] | 376 | |
Mike Lockwood | 94afecf | 2012-10-24 10:45:23 -0700 | [diff] [blame] | 377 | return result; |
| 378 | } |
| 379 | |