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Report uncrypt errors in details

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Add the error codes for uncrypt and report the failure details in
uncrypt_status.

Test: uncrypt_error logs correctly in last_install
Bug: 31603820
Change-Id: I8e0de845ce1707b6f8f5ae84564c5e93fd5f5ef5
(cherry picked from commit 0c68675f5ae80cd669e0bf014a69689b6fe08eee)
This commit is contained in:
Tianjie Xu 2016-09-24 15:31:34 -07:00
parent b0d0ee3c7d
commit 68fc81e860
3 changed files with 14 additions and 25 deletions
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2
error_code.h
View file

@ -46,7 +46,7 @@ enum CauseCode {
enum UncryptErrorCode {
kUncryptNoError = -1,
kUncryptErrorHolder = 50,
kUncryptErrorPlaceholder = 50,
kUncryptTimeoutError = 100,
kUncryptFileRemoveError,
kUncryptFileOpenError,

2
install.cpp
View file

@ -536,7 +536,7 @@ install_package(const char* path, bool* wipe_cache, const char* install_file,
std::string uncrypt_status;
if (!android::base::ReadFileToString(UNCRYPT_STATUS, &uncrypt_status)) {
PLOG(WARNING) << "failed to read uncrypt status";
} else if (!android::base::StartsWith(uncrypt_status, "uncrypt_:")) {
} else if (!android::base::StartsWith(uncrypt_status, "uncrypt_")) {
PLOG(WARNING) << "corrupted uncrypt_status: " << uncrypt_status;
} else {
log_buffer.push_back(android::base::Trim(uncrypt_status));

35
uncrypt/uncrypt.cpp
View file

@ -452,22 +452,23 @@ static int uncrypt(const char* input_path, const char* map_file, const int socke
return 0;
}
static bool uncrypt_wrapper(const char* input_path, const char* map_file, const int socket) {
// Initialize the uncrypt error to kUncryptErrorHolder.
static void log_uncrypt_error_code(UncryptErrorCode error_code) {
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptErrorHolder), UNCRYPT_STATUS)) {
"uncrypt_error: %d\n", error_code), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
}
static bool uncrypt_wrapper(const char* input_path, const char* map_file, const int socket) {
// Initialize the uncrypt error to kUncryptErrorPlaceholder.
log_uncrypt_error_code(kUncryptErrorPlaceholder);
std::string package;
if (input_path == nullptr) {
if (!find_uncrypt_package(UNCRYPT_PATH_FILE, &package)) {
write_status_to_socket(-1, socket);
// Overwrite the error message.
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptPackageMissingError), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
log_uncrypt_error_code(kUncryptPackageMissingError);
return false;
}
input_path = package.c_str();
@ -586,10 +587,7 @@ int main(int argc, char** argv) {
}
if ((fstab = read_fstab()) == nullptr) {
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptFstabReadError), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
log_uncrypt_error_code(kUncryptFstabReadError);
return 1;
}
@ -598,30 +596,21 @@ int main(int argc, char** argv) {
android::base::unique_fd service_socket(android_get_control_socket(UNCRYPT_SOCKET.c_str()));
if (service_socket == -1) {
PLOG(ERROR) << "failed to open socket \"" << UNCRYPT_SOCKET << "\"";
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptSocketOpenError), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
log_uncrypt_error_code(kUncryptSocketOpenError);
return 1;
}
fcntl(service_socket, F_SETFD, FD_CLOEXEC);
if (listen(service_socket, 1) == -1) {
PLOG(ERROR) << "failed to listen on socket " << service_socket.get();
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptSocketListenError), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
log_uncrypt_error_code(kUncryptSocketListenError);
return 1;
}
android::base::unique_fd socket_fd(accept4(service_socket, nullptr, nullptr, SOCK_CLOEXEC));
if (socket_fd == -1) {
PLOG(ERROR) << "failed to accept on socket " << service_socket.get();
if (!android::base::WriteStringToFile(android::base::StringPrintf(
"uncrypt_error: %d\n", kUncryptSocketAcceptError), UNCRYPT_STATUS)) {
PLOG(WARNING) << "failed to write to " << UNCRYPT_STATUS;
}
log_uncrypt_error_code(kUncryptSocketAcceptError);
return 1;
}