diff options
Diffstat (limited to '')
| -rw-r--r-- | recovery_main.cpp | 28 |
1 files changed, 27 insertions, 1 deletions
diff --git a/recovery_main.cpp b/recovery_main.cpp index c79d7d8d8..9a9890de0 100644 --- a/recovery_main.cpp +++ b/recovery_main.cpp @@ -14,6 +14,7 @@ * limitations under the License. */ +#include <dlfcn.h> #include <errno.h> #include <fcntl.h> #include <getopt.h> @@ -329,7 +330,32 @@ int main(int argc, char** argv) { printf("locale is [%s]\n", locale.c_str()); - Device* device = make_device(); + static constexpr const char* kDefaultLibRecoveryUIExt = "librecovery_ui_ext.so"; + // Intentionally not calling dlclose(3) to avoid potential gotchas (e.g. `make_device` may have + // handed out pointers to code or static [or thread-local] data and doesn't collect them all back + // in on dlclose). + void* librecovery_ui_ext = dlopen(kDefaultLibRecoveryUIExt, RTLD_NOW); + + using MakeDeviceType = decltype(&make_device); + MakeDeviceType make_device_func = nullptr; + if (librecovery_ui_ext == nullptr) { + printf("Failed to dlopen %s: %s\n", kDefaultLibRecoveryUIExt, dlerror()); + } else { + reinterpret_cast<void*&>(make_device_func) = dlsym(librecovery_ui_ext, "make_device"); + if (make_device_func == nullptr) { + printf("Failed to dlsym make_device: %s\n", dlerror()); + } + } + + Device* device; + if (make_device_func == nullptr) { + printf("Falling back to the default make_device() instead\n"); + device = make_device(); + } else { + printf("Loading make_device from %s\n", kDefaultLibRecoveryUIExt); + device = (*make_device_func)(); + } + if (android::base::GetBoolProperty("ro.boot.quiescent", false)) { printf("Quiescent recovery mode.\n"); device->ResetUI(new StubRecoveryUI()); |