diff options
| -rw-r--r-- | Android.mk | 4 | ||||
| -rw-r--r-- | install.h | 2 | ||||
| -rw-r--r-- | minzip/SysUtil.c | 67 | ||||
| -rw-r--r-- | recovery.cpp | 99 |
4 files changed, 141 insertions, 31 deletions
diff --git a/Android.mk b/Android.mk index 4da34eef5..4477fefe3 100644 --- a/Android.mk +++ b/Android.mk @@ -64,6 +64,7 @@ LOCAL_C_INCLUDES += \ system/core/adb \ LOCAL_STATIC_LIBRARIES := \ + libbatterymonitor \ libext4_utils_static \ libsparse_static \ libminzip \ @@ -77,11 +78,14 @@ LOCAL_STATIC_LIBRARIES := \ libfs_mgr \ libbase \ libcutils \ + libutils \ liblog \ libselinux \ libm \ libc +LOCAL_HAL_STATIC_LIBRARIES := libhealthd + ifeq ($(TARGET_USERIMAGES_USE_EXT4), true) LOCAL_CFLAGS += -DUSE_EXT4 LOCAL_C_INCLUDES += system/extras/ext4_utils @@ -23,7 +23,7 @@ extern "C" { #endif -enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_NONE }; +enum { INSTALL_SUCCESS, INSTALL_ERROR, INSTALL_CORRUPT, INSTALL_NONE, INSTALL_SKIPPED }; // 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/minzip/SysUtil.c b/minzip/SysUtil.c index 09ec8768f..e7dd17b51 100644 --- a/minzip/SysUtil.c +++ b/minzip/SysUtil.c @@ -39,6 +39,11 @@ static bool sysMapFD(int fd, MemMapping* pMap) { pMap->length = sb.st_size; pMap->range_count = 1; pMap->ranges = malloc(sizeof(MappedRange)); + if (pMap->ranges == NULL) { + LOGE("malloc failed: %s\n", strerror(errno)); + munmap(memPtr, sb.st_size); + return false; + } pMap->ranges[0].addr = memPtr; pMap->ranges[0].length = sb.st_size; @@ -50,7 +55,7 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap) char block_dev[PATH_MAX+1]; size_t size; unsigned int blksize; - unsigned int blocks; + size_t blocks; unsigned int range_count; unsigned int i; @@ -69,49 +74,80 @@ static int sysMapBlockFile(FILE* mapf, MemMapping* pMap) LOGE("failed to parse block map header\n"); return -1; } - - blocks = ((size-1) / blksize) + 1; + if (blksize != 0) { + blocks = ((size-1) / blksize) + 1; + } + if (size == 0 || blksize == 0 || blocks > SIZE_MAX / blksize || range_count == 0) { + LOGE("invalid data in block map file: size %zu, blksize %u, range_count %u\n", + size, blksize, range_count); + return -1; + } pMap->range_count = range_count; - pMap->ranges = malloc(range_count * sizeof(MappedRange)); - memset(pMap->ranges, 0, range_count * sizeof(MappedRange)); + pMap->ranges = calloc(range_count, sizeof(MappedRange)); + if (pMap->ranges == NULL) { + LOGE("calloc(%u, %zu) failed: %s\n", range_count, sizeof(MappedRange), strerror(errno)); + return -1; + } // Reserve enough contiguous address space for the whole file. unsigned char* reserve; reserve = mmap64(NULL, blocks * blksize, PROT_NONE, MAP_PRIVATE | MAP_ANON, -1, 0); if (reserve == MAP_FAILED) { LOGE("failed to reserve address space: %s\n", strerror(errno)); + free(pMap->ranges); return -1; } - pMap->ranges[range_count-1].addr = reserve; - pMap->ranges[range_count-1].length = blocks * blksize; - int fd = open(block_dev, O_RDONLY); if (fd < 0) { LOGE("failed to open block device %s: %s\n", block_dev, strerror(errno)); + munmap(reserve, blocks * blksize); + free(pMap->ranges); return -1; } unsigned char* next = reserve; + size_t remaining_size = blocks * blksize; + bool success = true; for (i = 0; i < range_count; ++i) { - int start, end; - if (fscanf(mapf, "%d %d\n", &start, &end) != 2) { + size_t start, end; + if (fscanf(mapf, "%zu %zu\n", &start, &end) != 2) { LOGE("failed to parse range %d in block map\n", i); - return -1; + success = false; + break; + } + size_t length = (end - start) * blksize; + if (end <= start || (end - start) > SIZE_MAX / blksize || length > remaining_size) { + LOGE("unexpected range in block map: %zu %zu\n", start, end); + success = false; + break; } - void* addr = mmap64(next, (end-start)*blksize, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ((off64_t)start)*blksize); + void* addr = mmap64(next, length, PROT_READ, MAP_PRIVATE | MAP_FIXED, fd, ((off64_t)start)*blksize); if (addr == MAP_FAILED) { LOGE("failed to map block %d: %s\n", i, strerror(errno)); - return -1; + success = false; + break; } pMap->ranges[i].addr = addr; - pMap->ranges[i].length = (end-start)*blksize; + pMap->ranges[i].length = length; - next += pMap->ranges[i].length; + next += length; + remaining_size -= length; + } + if (success && remaining_size != 0) { + LOGE("ranges in block map are invalid: remaining_size = %zu\n", remaining_size); + success = false; + } + if (!success) { + close(fd); + munmap(reserve, blocks * blksize); + free(pMap->ranges); + return -1; } + close(fd); pMap->addr = reserve; pMap->length = size; @@ -134,6 +170,7 @@ int sysMapFile(const char* fn, MemMapping* pMap) if (sysMapBlockFile(mapf, pMap) != 0) { LOGE("Map of '%s' failed\n", fn); + fclose(mapf); return -1; } diff --git a/recovery.cpp b/recovery.cpp index ee2fb43fc..593d0945f 100644 --- a/recovery.cpp +++ b/recovery.cpp @@ -40,6 +40,8 @@ #include <cutils/android_reboot.h> #include <cutils/properties.h> +#include <healthd/BatteryMonitor.h> + #include "adb_install.h" #include "bootloader.h" #include "common.h" @@ -87,6 +89,12 @@ static const char *TEMPORARY_INSTALL_FILE = "/tmp/last_install"; static const char *LAST_KMSG_FILE = "/cache/recovery/last_kmsg"; static const char *LAST_LOG_FILE = "/cache/recovery/last_log"; static const int KEEP_LOG_COUNT = 10; +static const int BATTERY_READ_TIMEOUT_IN_SEC = 10; +// GmsCore enters recovery mode to install package when having enough battery +// percentage. Normally, the threshold is 40% without charger and 20% with charger. +// 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; RecoveryUI* ui = NULL; char* locale = NULL; @@ -1080,8 +1088,61 @@ ui_print(const char* format, ...) { } } -int -main(int argc, char **argv) { +static bool is_battery_ok() { + struct healthd_config healthd_config = { + .batteryStatusPath = android::String8(android::String8::kEmptyString), + .batteryHealthPath = android::String8(android::String8::kEmptyString), + .batteryPresentPath = android::String8(android::String8::kEmptyString), + .batteryCapacityPath = android::String8(android::String8::kEmptyString), + .batteryVoltagePath = android::String8(android::String8::kEmptyString), + .batteryTemperaturePath = android::String8(android::String8::kEmptyString), + .batteryTechnologyPath = android::String8(android::String8::kEmptyString), + .batteryCurrentNowPath = android::String8(android::String8::kEmptyString), + .batteryCurrentAvgPath = android::String8(android::String8::kEmptyString), + .batteryChargeCounterPath = android::String8(android::String8::kEmptyString), + .batteryFullChargePath = android::String8(android::String8::kEmptyString), + .batteryCycleCountPath = android::String8(android::String8::kEmptyString), + .energyCounter = NULL, + .boot_min_cap = 0, + .screen_on = NULL + }; + healthd_board_init(&healthd_config); + + android::BatteryMonitor monitor; + monitor.init(&healthd_config); + + int wait_second = 0; + while (true) { + int charge_status = monitor.getChargeStatus(); + // Treat unknown status as charged. + bool charged = (charge_status != android::BATTERY_STATUS_DISCHARGING && + charge_status != android::BATTERY_STATUS_NOT_CHARGING); + android::BatteryProperty capacity; + android::status_t status = monitor.getProperty(android::BATTERY_PROP_CAPACITY, &capacity); + ui_print("charge_status %d, charged %d, status %d, capacity %lld\n", charge_status, + charged, status, capacity.valueInt64); + // At startup, the battery drivers in devices like N5X/N6P take some time to load + // the battery profile. Before the load finishes, it reports value 50 as a fake + // capacity. BATTERY_READ_TIMEOUT_IN_SEC is set that the battery drivers are expected + // to finish loading the battery profile earlier than 10 seconds after kernel startup. + if (status == 0 && capacity.valueInt64 == 50) { + if (wait_second < BATTERY_READ_TIMEOUT_IN_SEC) { + sleep(1); + wait_second++; + continue; + } + } + // If we can't read battery percentage, it may be a device without battery. In this + // situation, use 100 as a fake battery percentage. + if (status != 0) { + capacity.valueInt64 = 100; + } + return (charged && capacity.valueInt64 >= BATTERY_WITH_CHARGER_OK_PERCENTAGE) || + (!charged && capacity.valueInt64 >= BATTERY_OK_PERCENTAGE); + } +} + +int main(int argc, char **argv) { // If this binary is started with the single argument "--adbd", // instead of being the normal recovery binary, it turns into kind // of a stripped-down version of adbd that only supports the @@ -1211,18 +1272,25 @@ main(int argc, char **argv) { int status = INSTALL_SUCCESS; if (update_package != NULL) { - status = install_package(update_package, &should_wipe_cache, TEMPORARY_INSTALL_FILE, true); - if (status == INSTALL_SUCCESS && should_wipe_cache) { - wipe_cache(false, device); - } - if (status != INSTALL_SUCCESS) { - ui->Print("Installation aborted.\n"); - - // If this is an eng or userdebug build, then automatically - // turn the text display on if the script fails so the error - // message is visible. - if (is_ro_debuggable()) { - ui->ShowText(true); + if (!is_battery_ok()) { + ui->Print("battery capacity is not enough for installing package, needed is %d%%\n", + BATTERY_OK_PERCENTAGE); + status = INSTALL_SKIPPED; + } else { + status = install_package(update_package, &should_wipe_cache, + TEMPORARY_INSTALL_FILE, true); + if (status == INSTALL_SUCCESS && should_wipe_cache) { + wipe_cache(false, device); + } + if (status != INSTALL_SUCCESS) { + ui->Print("Installation aborted.\n"); + + // If this is an eng or userdebug build, then automatically + // turn the text display on if the script fails so the error + // message is visible. + if (is_ro_debuggable()) { + ui->ShowText(true); + } } } } else if (should_wipe_data) { @@ -1271,7 +1339,8 @@ main(int argc, char **argv) { } Device::BuiltinAction after = shutdown_after ? Device::SHUTDOWN : Device::REBOOT; - if ((status != INSTALL_SUCCESS && !sideload_auto_reboot) || ui->IsTextVisible()) { + if ((status != INSTALL_SUCCESS && status != INSTALL_SKIPPED && !sideload_auto_reboot) || + ui->IsTextVisible()) { Device::BuiltinAction temp = prompt_and_wait(device, status); if (temp != Device::NO_ACTION) { after = temp; |