summaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Android.mk4
-rw-r--r--install.h2
-rw-r--r--minzip/SysUtil.c67
-rw-r--r--recovery.cpp99
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
diff --git a/install.h b/install.h
index 680499db3..f92f061df 100644
--- a/install.h
+++ b/install.h
@@ -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;