Support adb rescue wipe command
Support `adb rescue wipe` command on the host side. This command runs
under the rescue mode and wipes data (and cache/metadata).
Bug: 131037235
Test: run adb rescue wipe
Change-Id: Ib3a3f2d564cc19d0446540d616cc21489ba558c2
(cherry picked from commit c2265c53435bbfe7c44f1bc2cf56f208ef0edc2d)
diff --git a/adb/client/commandline.cpp b/adb/client/commandline.cpp
index 552df41..e2a17c5 100644
--- a/adb/client/commandline.cpp
+++ b/adb/client/commandline.cpp
@@ -904,12 +904,12 @@
}
buf[8] = '\0';
- if (strcmp(kSideloadServiceExitSuccess, buf) == 0 ||
- strcmp(kSideloadServiceExitFailure, buf) == 0) {
+ if (strcmp(kMinadbdServicesExitSuccess, buf) == 0 ||
+ strcmp(kMinadbdServicesExitFailure, buf) == 0) {
printf("\rTotal xfer: %.2fx%*s\n",
static_cast<double>(xfer) / (sb.st_size ? sb.st_size : 1),
static_cast<int>(strlen(filename) + 10), "");
- if (strcmp(kSideloadServiceExitFailure, buf) == 0) {
+ if (strcmp(kMinadbdServicesExitFailure, buf) == 0) {
return 1;
}
return 0;
@@ -961,6 +961,33 @@
}
}
+static int adb_wipe_devices() {
+ auto wipe_devices_message_size = strlen(kMinadbdServicesExitSuccess);
+ std::string error;
+ unique_fd fd(adb_connect(
+ android::base::StringPrintf("rescue-wipe:userdata:%zu", wipe_devices_message_size),
+ &error));
+ if (fd < 0) {
+ fprintf(stderr, "adb: wipe device connection failed: %s\n", error.c_str());
+ return 1;
+ }
+
+ std::string message(wipe_devices_message_size, '\0');
+ if (!ReadFdExactly(fd, message.data(), wipe_devices_message_size)) {
+ fprintf(stderr, "adb: failed to read wipe result: %s\n", strerror(errno));
+ return 1;
+ }
+
+ if (message == kMinadbdServicesExitSuccess) {
+ return 0;
+ }
+
+ if (message != kMinadbdServicesExitFailure) {
+ fprintf(stderr, "adb: got unexpected message from rescue wipe %s\n", message.c_str());
+ }
+ return 1;
+}
+
/**
* Run ppp in "notty" mode against a resource listed as the first parameter
* eg:
@@ -1643,6 +1670,7 @@
} else if (!strcmp(argv[0], "rescue")) {
// adb rescue getprop <prop>
// adb rescue install <filename>
+ // adb rescue wipe userdata
if (argc != 3) error_exit("rescue requires two arguments");
if (!strcmp(argv[1], "getprop")) {
return adb_connect_command(android::base::StringPrintf("rescue-getprop:%s", argv[2]));
@@ -1650,6 +1678,8 @@
if (adb_sideload_install(argv[2], true /* rescue_mode */) != 0) {
return 1;
}
+ } else if (!strcmp(argv[1], "wipe") && !strcmp(argv[2], "userdata")) {
+ return adb_wipe_devices();
} else {
error_exit("invalid rescue argument");
}
diff --git a/adb/services.h b/adb/services.h
index 8f3919b..6fc89d7 100644
--- a/adb/services.h
+++ b/adb/services.h
@@ -23,9 +23,10 @@
constexpr char kShellServiceArgPty[] = "pty";
constexpr char kShellServiceArgShellProtocol[] = "v2";
-// Special flags sent by minadbd that indicate the end of sideload transfer and install result.
-constexpr char kSideloadServiceExitSuccess[] = "DONEDONE";
-constexpr char kSideloadServiceExitFailure[] = "FAILFAIL";
+// Special flags sent by minadbd. They indicate the end of sideload transfer and the result of
+// installation or wipe.
+constexpr char kMinadbdServicesExitSuccess[] = "DONEDONE";
+constexpr char kMinadbdServicesExitFailure[] = "FAILFAIL";
unique_fd create_service_thread(const char* service_name, std::function<void(unique_fd)> func);
#endif // SERVICES_H_