Merge "Revert "Revert "Some cleanups to recovery."""
am: a7a8262944
Change-Id: Iab6de4788c4dbecd33d076144f8324fde53b4024
diff --git a/common.h b/common.h
index a948fb1..319af3d 100644
--- a/common.h
+++ b/common.h
@@ -17,15 +17,22 @@
#ifndef RECOVERY_COMMON_H
#define RECOVERY_COMMON_H
-#include <stdbool.h>
#include <stdio.h>
#include <stdarg.h>
#define STRINGIFY(x) #x
#define EXPAND(x) STRINGIFY(x)
+class RecoveryUI;
+
+extern RecoveryUI* ui;
extern bool modified_flash;
-typedef struct fstab_rec Volume;
+
+// The current stage, e.g. "1/2".
+extern const char* stage;
+
+// The reason argument provided in "--reason=".
+extern const char* reason;
// fopen a file, mounting volumes and making parent dirs as necessary.
FILE* fopen_path(const char *path, const char *mode);
diff --git a/install.cpp b/install.cpp
index fada2de..dd6ed81 100644
--- a/install.cpp
+++ b/install.cpp
@@ -47,8 +47,6 @@
#include "ui.h"
#include "verifier.h"
-extern RecoveryUI* ui;
-
#define ASSUMED_UPDATE_BINARY_NAME "META-INF/com/google/android/update-binary"
static constexpr const char* AB_OTA_PAYLOAD_PROPERTIES = "payload_properties.txt";
static constexpr const char* AB_OTA_PAYLOAD = "payload.bin";
diff --git a/install.h b/install.h
index 7f66a51..1ec01e8 100644
--- a/install.h
+++ b/install.h
@@ -20,10 +20,9 @@
#include <string>
#include <ziparchive/zip_archive.h>
-#include "common.h"
-
enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_NONE, INSTALL_SKIPPED,
INSTALL_RETRY };
+
// Install the package specified by root_path. If INSTALL_SUCCESS is
// returned and *wipe_cache is true on exit, caller should wipe the
// cache partition.
diff --git a/print_sha1.h b/print_sha1.h
index c7c1f36..1f85895 100644
--- a/print_sha1.h
+++ b/print_sha1.h
@@ -20,7 +20,7 @@
#include <stdint.h>
#include <string>
-#include "openssl/sha.h"
+#include <openssl/sha.h>
static std::string print_sha1(const uint8_t* sha1, size_t len) {
const char* hex = "0123456789abcdef";
@@ -41,7 +41,7 @@
}
static std::string print_hex(const uint8_t* bytes, size_t len) {
- return print_sha1(bytes, len);
+ return print_sha1(bytes, len);
}
#endif // RECOVERY_PRINT_SHA1_H
diff --git a/recovery.cpp b/recovery.cpp
index 4d1ad1d..f423dac 100644
--- a/recovery.cpp
+++ b/recovery.cpp
@@ -69,8 +69,6 @@
#include "ui.h"
#include "screen_ui.h"
-struct selabel_handle *sehandle;
-
static const struct option OPTIONS[] = {
{ "update_package", required_argument, NULL, 'u' },
{ "retry_count", required_argument, NULL, 'n' },
@@ -119,15 +117,18 @@
// So we should check battery with a slightly lower limitation.
static const int BATTERY_OK_PERCENTAGE = 20;
static const int BATTERY_WITH_CHARGER_OK_PERCENTAGE = 15;
-constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe";
+static constexpr const char* RECOVERY_WIPE = "/etc/recovery.wipe";
+static constexpr const char* DEFAULT_LOCALE = "en_US";
-RecoveryUI* ui = NULL;
-static const char* locale = "en_US";
-char* stage = NULL;
-char* reason = NULL;
-bool modified_flash = false;
+static std::string locale;
static bool has_cache = false;
+RecoveryUI* ui = nullptr;
+bool modified_flash = false;
+const char* stage = nullptr;
+const char* reason = nullptr;
+struct selabel_handle* sehandle;
+
/*
* The recovery tool communicates with the main system through /cache files.
* /cache/recovery/command - INPUT - command line for tool, one arg per line
@@ -206,6 +207,9 @@
// close a file, log an error if the error indicator is set
static void check_and_fclose(FILE *fp, const char *name) {
fflush(fp);
+ if (fsync(fileno(fp)) == -1) {
+ PLOG(ERROR) << "Failed to fsync " << name;
+ }
if (ferror(fp)) {
PLOG(ERROR) << "Error in " << name;
}
@@ -515,24 +519,18 @@
// clear the recovery command and prepare to boot a (hopefully working) system,
// copy our log file to cache as well (for the system to read). This function is
// idempotent: call it as many times as you like.
-static void
-finish_recovery() {
+static void finish_recovery() {
// Save the locale to cache, so if recovery is next started up
// without a --locale argument (eg, directly from the bootloader)
// it will use the last-known locale.
- if (locale != NULL) {
- size_t len = strlen(locale);
- __pmsg_write(LOCALE_FILE, locale, len);
- if (has_cache) {
- LOG(INFO) << "Saving locale \"" << locale << "\"";
- FILE* fp = fopen_path(LOCALE_FILE, "w");
- if (fp != NULL) {
- fwrite(locale, 1, len, fp);
- fflush(fp);
- fsync(fileno(fp));
- check_and_fclose(fp, LOCALE_FILE);
- }
+ if (!locale.empty() && has_cache) {
+ LOG(INFO) << "Saving locale \"" << locale << "\"";
+
+ FILE* fp = fopen_path(LOCALE_FILE, "w");
+ if (!android::base::WriteStringToFd(locale, fileno(fp))) {
+ PLOG(ERROR) << "Failed to save locale to " << LOCALE_FILE;
}
+ check_and_fclose(fp, LOCALE_FILE);
}
copy_logs();
@@ -1282,40 +1280,32 @@
printf("%s=%s\n", key, name);
}
-static void
-load_locale_from_cache() {
- FILE* fp = fopen_path(LOCALE_FILE, "r");
- char buffer[80];
- if (fp != NULL) {
- fgets(buffer, sizeof(buffer), fp);
- int j = 0;
- unsigned int i;
- for (i = 0; i < sizeof(buffer) && buffer[i]; ++i) {
- if (!isspace(buffer[i])) {
- buffer[j++] = buffer[i];
- }
- }
- buffer[j] = 0;
- locale = strdup(buffer);
- check_and_fclose(fp, LOCALE_FILE);
+static std::string load_locale_from_cache() {
+ if (ensure_path_mounted(LOCALE_FILE) != 0) {
+ LOG(ERROR) << "Can't mount " << LOCALE_FILE;
+ return "";
}
+
+ std::string content;
+ if (!android::base::ReadFileToString(LOCALE_FILE, &content)) {
+ PLOG(ERROR) << "Can't read " << LOCALE_FILE;
+ return "";
+ }
+
+ return android::base::Trim(content);
}
-static RecoveryUI* gCurrentUI = NULL;
-
-void
-ui_print(const char* format, ...) {
- char buffer[256];
-
+void ui_print(const char* format, ...) {
+ std::string buffer;
va_list ap;
va_start(ap, format);
- vsnprintf(buffer, sizeof(buffer), format, ap);
+ android::base::StringAppendV(&buffer, format, ap);
va_end(ap);
- if (gCurrentUI != NULL) {
- gCurrentUI->Print("%s", buffer);
+ if (ui != nullptr) {
+ ui->Print("%s", buffer.c_str());
} else {
- fputs(buffer, stdout);
+ fputs(buffer.c_str(), stdout);
}
}
@@ -1324,8 +1314,8 @@
void UiLogger(android::base::LogId id, android::base::LogSeverity severity,
const char* tag, const char* file, unsigned int line,
const char* message) {
- if (severity >= android::base::ERROR && gCurrentUI != NULL) {
- gCurrentUI->Print("E:%s\n", message);
+ if (severity >= android::base::ERROR && ui != nullptr) {
+ ui->Print("E:%s\n", message);
} else {
fprintf(stdout, "%c:%s\n", log_characters[severity], message);
}
@@ -1421,7 +1411,7 @@
};
std::string log_content = android::base::Join(log_buffer, "\n");
if (!android::base::WriteStringToFile(log_content, TEMPORARY_INSTALL_FILE)) {
- PLOG(ERROR) << "failed to write " << TEMPORARY_INSTALL_FILE;
+ PLOG(ERROR) << "failed to write " << TEMPORARY_INSTALL_FILE;
}
// Also write the info into last_log.
@@ -1573,18 +1563,24 @@
}
}
- if (locale == nullptr && has_cache) {
- load_locale_from_cache();
+ if (locale.empty()) {
+ if (has_cache) {
+ locale = load_locale_from_cache();
+ }
+
+ if (locale.empty()) {
+ locale = DEFAULT_LOCALE;
+ }
}
- printf("locale is [%s]\n", locale);
+
+ printf("locale is [%s]\n", locale.c_str());
printf("stage is [%s]\n", stage);
printf("reason is [%s]\n", reason);
Device* device = make_device();
ui = device->GetUI();
- gCurrentUI = ui;
- ui->SetLocale(locale);
+ ui->SetLocale(locale.c_str());
ui->Init();
// Set background string to "installing security update" for security update,
// otherwise set it to "installing system update".
@@ -1599,7 +1595,7 @@
if (show_text) ui->ShowText(true);
struct selinux_opt seopts[] = {
- { SELABEL_OPT_PATH, "/file_contexts" }
+ { SELABEL_OPT_PATH, "/file_contexts" }
};
sehandle = selabel_open(SELABEL_CTX_FILE, seopts, 1);
@@ -1771,7 +1767,7 @@
break;
}
while (true) {
- pause();
+ pause();
}
// Should be unreachable.
return EXIT_SUCCESS;
diff --git a/roots.h b/roots.h
index a14b7d9..542f03b 100644
--- a/roots.h
+++ b/roots.h
@@ -17,7 +17,7 @@
#ifndef RECOVERY_ROOTS_H_
#define RECOVERY_ROOTS_H_
-#include "common.h"
+typedef struct fstab_rec Volume;
// Load and parse volume data from /etc/recovery.fstab.
void load_volume_table();
diff --git a/verifier.cpp b/verifier.cpp
index 82cdd3b..44098f7 100644
--- a/verifier.cpp
+++ b/verifier.cpp
@@ -14,9 +14,11 @@
* limitations under the License.
*/
+#include "verifier.h"
+
#include <errno.h>
-#include <malloc.h>
#include <stdio.h>
+#include <stdlib.h>
#include <string.h>
#include <algorithm>
@@ -31,9 +33,6 @@
#include "common.h"
#include "print_sha1.h"
#include "ui.h"
-#include "verifier.h"
-
-extern RecoveryUI* ui;
static constexpr size_t MiB = 1024 * 1024;