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-rw-r--r--Android.mk3
-rw-r--r--etc/init.rc2
-rw-r--r--install.cpp1
-rw-r--r--minui/events.c86
-rw-r--r--minui/minui.h5
-rw-r--r--minui/resources.c14
-rw-r--r--roots.cpp27
-rw-r--r--screen_ui.cpp1
-rw-r--r--ui.cpp52
-rw-r--r--ui.h8
10 files changed, 160 insertions, 39 deletions
diff --git a/Android.mk b/Android.mk
index 3d6156819..c544db964 100644
--- a/Android.mk
+++ b/Android.mk
@@ -57,7 +57,7 @@ LOCAL_STATIC_LIBRARIES := \
ifeq ($(TARGET_USERIMAGES_USE_EXT4), true)
LOCAL_CFLAGS += -DUSE_EXT4
- LOCAL_C_INCLUDES += system/extras/ext4_utils
+ LOCAL_C_INCLUDES += system/extras/ext4_utils system/vold
LOCAL_STATIC_LIBRARIES += libext4_utils_static libz
endif
@@ -89,6 +89,7 @@ include $(CLEAR_VARS)
LOCAL_MODULE := verifier_test
LOCAL_FORCE_STATIC_EXECUTABLE := true
LOCAL_MODULE_TAGS := tests
+LOCAL_CFLAGS += -DNO_RECOVERY_MOUNT
LOCAL_SRC_FILES := \
verifier_test.cpp \
asn1_decoder.cpp \
diff --git a/etc/init.rc b/etc/init.rc
index 175489066..9b2a99143 100644
--- a/etc/init.rc
+++ b/etc/init.rc
@@ -44,7 +44,7 @@ on property:sys.powerctl=*
service ueventd /sbin/ueventd
critical
-service healthd /sbin/healthd -n
+service healthd /sbin/healthd -r
critical
service recovery /sbin/recovery
diff --git a/install.cpp b/install.cpp
index 797a525fd..980830cc0 100644
--- a/install.cpp
+++ b/install.cpp
@@ -120,6 +120,7 @@ try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
pid_t pid = fork();
if (pid == 0) {
+ umask(022);
close(pipefd[0]);
execv(binary, (char* const*)args);
fprintf(stdout, "E:Can't run %s (%s)\n", binary, strerror(errno));
diff --git a/minui/events.c b/minui/events.c
index 2918afaa8..df7dad448 100644
--- a/minui/events.c
+++ b/minui/events.c
@@ -18,7 +18,7 @@
#include <stdlib.h>
#include <fcntl.h>
#include <dirent.h>
-#include <sys/poll.h>
+#include <sys/epoll.h>
#include <linux/input.h>
@@ -34,11 +34,15 @@
((array)[(bit)/BITS_PER_LONG] & (1 << ((bit) % BITS_PER_LONG)))
struct fd_info {
+ int fd;
ev_callback cb;
void *data;
};
-static struct pollfd ev_fds[MAX_DEVICES + MAX_MISC_FDS];
+static int epollfd;
+static struct epoll_event polledevents[MAX_DEVICES + MAX_MISC_FDS];
+static int npolledevents;
+
static struct fd_info ev_fdinfo[MAX_DEVICES + MAX_MISC_FDS];
static unsigned ev_count = 0;
@@ -50,6 +54,12 @@ int ev_init(ev_callback input_cb, void *data)
DIR *dir;
struct dirent *de;
int fd;
+ struct epoll_event ev;
+ bool epollctlfail = false;
+
+ epollfd = epoll_create(MAX_DEVICES + MAX_MISC_FDS);
+ if (epollfd == -1)
+ return -1;
dir = opendir("/dev/input");
if(dir != 0) {
@@ -74,8 +84,15 @@ int ev_init(ev_callback input_cb, void *data)
continue;
}
- ev_fds[ev_count].fd = fd;
- ev_fds[ev_count].events = POLLIN;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = (void *)&ev_fdinfo[ev_count];
+ if (epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev)) {
+ close(fd);
+ epollctlfail = true;
+ continue;
+ }
+
+ ev_fdinfo[ev_count].fd = fd;
ev_fdinfo[ev_count].cb = input_cb;
ev_fdinfo[ev_count].data = data;
ev_count++;
@@ -84,59 +101,78 @@ int ev_init(ev_callback input_cb, void *data)
}
}
+ if (epollctlfail && !ev_count) {
+ close(epollfd);
+ epollfd = -1;
+ return -1;
+ }
+
return 0;
}
int ev_add_fd(int fd, ev_callback cb, void *data)
{
+ struct epoll_event ev;
+ int ret;
+
if (ev_misc_count == MAX_MISC_FDS || cb == NULL)
return -1;
- ev_fds[ev_count].fd = fd;
- ev_fds[ev_count].events = POLLIN;
- ev_fdinfo[ev_count].cb = cb;
- ev_fdinfo[ev_count].data = data;
- ev_count++;
- ev_misc_count++;
- return 0;
+ ev.events = EPOLLIN | EPOLLWAKEUP;
+ ev.data.ptr = (void *)&ev_fdinfo[ev_count];
+ ret = epoll_ctl(epollfd, EPOLL_CTL_ADD, fd, &ev);
+ if (!ret) {
+ ev_fdinfo[ev_count].fd = fd;
+ ev_fdinfo[ev_count].cb = cb;
+ ev_fdinfo[ev_count].data = data;
+ ev_count++;
+ ev_misc_count++;
+ }
+
+ return ret;
+}
+
+int ev_get_epollfd(void)
+{
+ return epollfd;
}
void ev_exit(void)
{
while (ev_count > 0) {
- close(ev_fds[--ev_count].fd);
+ close(ev_fdinfo[--ev_count].fd);
}
ev_misc_count = 0;
ev_dev_count = 0;
+ close(epollfd);
}
int ev_wait(int timeout)
{
- int r;
-
- r = poll(ev_fds, ev_count, timeout);
- if (r <= 0)
+ npolledevents = epoll_wait(epollfd, polledevents, ev_count, timeout);
+ if (npolledevents <= 0)
return -1;
return 0;
}
void ev_dispatch(void)
{
- unsigned n;
+ int n;
int ret;
- for (n = 0; n < ev_count; n++) {
- ev_callback cb = ev_fdinfo[n].cb;
- if (cb && (ev_fds[n].revents & ev_fds[n].events))
- cb(ev_fds[n].fd, ev_fds[n].revents, ev_fdinfo[n].data);
+ for (n = 0; n < npolledevents; n++) {
+ struct fd_info *fdi = polledevents[n].data.ptr;
+ ev_callback cb = fdi->cb;
+ if (cb)
+ cb(fdi->fd, polledevents[n].events, fdi->data);
}
}
-int ev_get_input(int fd, short revents, struct input_event *ev)
+int ev_get_input(int fd, uint32_t epevents, struct input_event *ev)
{
int r;
- if (revents & POLLIN) {
+ if (epevents & EPOLLIN) {
r = read(fd, ev, sizeof(*ev));
if (r == sizeof(*ev))
return 0;
@@ -157,11 +193,11 @@ int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data)
memset(key_bits, 0, sizeof(key_bits));
memset(ev_bits, 0, sizeof(ev_bits));
- ret = ioctl(ev_fds[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
+ ret = ioctl(ev_fdinfo[i].fd, EVIOCGBIT(0, sizeof(ev_bits)), ev_bits);
if (ret < 0 || !test_bit(EV_KEY, ev_bits))
continue;
- ret = ioctl(ev_fds[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
+ ret = ioctl(ev_fdinfo[i].fd, EVIOCGKEY(sizeof(key_bits)), key_bits);
if (ret < 0)
continue;
diff --git a/minui/minui.h b/minui/minui.h
index 1b8dd059b..573dd71f4 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -50,7 +50,7 @@ unsigned int gr_get_height(gr_surface surface);
// see http://www.mjmwired.net/kernel/Documentation/input/ for info.
struct input_event;
-typedef int (*ev_callback)(int fd, short revents, void *data);
+typedef int (*ev_callback)(int fd, uint32_t epevents, void *data);
typedef int (*ev_set_key_callback)(int code, int value, void *data);
int ev_init(ev_callback input_cb, void *data);
@@ -65,8 +65,9 @@ int ev_sync_key_state(ev_set_key_callback set_key_cb, void *data);
*/
int ev_wait(int timeout);
-int ev_get_input(int fd, short revents, struct input_event *ev);
+int ev_get_input(int fd, uint32_t epevents, struct input_event *ev);
void ev_dispatch(void);
+int ev_get_epollfd(void);
// Resources
diff --git a/minui/resources.c b/minui/resources.c
index c0a9ccacb..b20c00abd 100644
--- a/minui/resources.c
+++ b/minui/resources.c
@@ -123,10 +123,18 @@ int res_create_surface(const char* name, gr_surface* pSurface) {
surface->height = height;
surface->stride = width; /* Yes, pixels, not bytes */
surface->data = pData;
- surface->format = (channels == 3) ? GGL_PIXEL_FORMAT_RGBX_8888 :
- ((color_type == PNG_COLOR_TYPE_PALETTE ? GGL_PIXEL_FORMAT_RGBA_8888 : GGL_PIXEL_FORMAT_L_8));
- int alpha = 0;
+ if (channels == 3) {
+ surface->format = GGL_PIXEL_FORMAT_RGBX_8888;
+ } else if (color_type == PNG_COLOR_TYPE_PALETTE) {
+ surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
+ } else if (channels == 1) {
+ surface->format = GGL_PIXEL_FORMAT_L_8;
+ } else {
+ surface->format = GGL_PIXEL_FORMAT_RGBA_8888;
+ }
+
+ int alpha = (channels == 4);
if (color_type == PNG_COLOR_TYPE_PALETTE) {
png_set_palette_to_rgb(png_ptr);
}
diff --git a/roots.cpp b/roots.cpp
index 113dba1bd..47cea0bec 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -21,6 +21,7 @@
#include <sys/types.h>
#include <unistd.h>
#include <ctype.h>
+#include <fcntl.h>
#include <fs_mgr.h>
#include "mtdutils/mtdutils.h"
@@ -28,6 +29,10 @@
#include "roots.h"
#include "common.h"
#include "make_ext4fs.h"
+extern "C" {
+#include "wipe.h"
+#include "cryptfs.h"
+}
static struct fstab *fstab = NULL;
@@ -191,11 +196,31 @@ int format_volume(const char* volume) {
}
if (strcmp(v->fs_type, "ext4") == 0) {
- int result = make_ext4fs(v->blk_device, v->length, volume, sehandle);
+ ssize_t length = 0;
+ if (v->length != 0) {
+ length = v->length;
+ } else if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0) {
+ length = -CRYPT_FOOTER_OFFSET;
+ }
+ int result = make_ext4fs(v->blk_device, length, volume, sehandle);
if (result != 0) {
LOGE("format_volume: make_extf4fs failed on %s\n", v->blk_device);
return -1;
}
+
+ // if there's a key_loc that looks like a path, it should be a
+ // block device for storing encryption metadata. wipe it too.
+ if (v->key_loc != NULL && v->key_loc[0] == '/') {
+ LOGI("wiping %s\n", v->key_loc);
+ int fd = open(v->key_loc, O_WRONLY | O_CREAT, 0644);
+ if (fd < 0) {
+ LOGE("format_volume: failed to open %s\n", v->key_loc);
+ return -1;
+ }
+ wipe_block_device(fd, get_file_size(fd));
+ close(fd);
+ }
+
return 0;
}
diff --git a/screen_ui.cpp b/screen_ui.cpp
index 27d0a245c..fd1a6c7fa 100644
--- a/screen_ui.cpp
+++ b/screen_ui.cpp
@@ -392,6 +392,7 @@ void ScreenRecoveryUI::Init()
text_cols = gr_fb_width() / char_width;
if (text_cols > kMaxCols - 1) text_cols = kMaxCols - 1;
+ backgroundIcon[NONE] = NULL;
LoadBitmap("icon_installing", &backgroundIcon[INSTALLING_UPDATE]);
backgroundIcon[ERASING] = backgroundIcon[INSTALLING_UPDATE];
LoadBitmap("icon_error", &backgroundIcon[ERROR]);
diff --git a/ui.cpp b/ui.cpp
index cece02d31..67a2500bb 100644
--- a/ui.cpp
+++ b/ui.cpp
@@ -31,6 +31,7 @@
#include <cutils/android_reboot.h>
#include "common.h"
+#include "roots.h"
#include "device.h"
#include "minui/minui.h"
#include "screen_ui.h"
@@ -47,7 +48,10 @@ RecoveryUI::RecoveryUI() :
key_queue_len(0),
key_last_down(-1),
key_long_press(false),
- key_down_count(0) {
+ key_down_count(0),
+ consecutive_power_keys(0),
+ consecutive_alternate_keys(0),
+ last_key(-1) {
pthread_mutex_init(&key_queue_mutex, NULL);
pthread_cond_init(&key_queue_cond, NULL);
self = this;
@@ -59,12 +63,12 @@ void RecoveryUI::Init() {
}
-int RecoveryUI::input_callback(int fd, short revents, void* data)
+int RecoveryUI::input_callback(int fd, uint32_t epevents, void* data)
{
struct input_event ev;
int ret;
- ret = ev_get_input(fd, revents, &ev);
+ ret = ev_get_input(fd, epevents, &ev);
if (ret)
return -1;
@@ -152,6 +156,13 @@ void RecoveryUI::process_key(int key_code, int updown) {
case RecoveryUI::ENQUEUE:
EnqueueKey(key_code);
break;
+
+ case RecoveryUI::MOUNT_SYSTEM:
+#ifndef NO_RECOVERY_MOUNT
+ ensure_path_mounted("/system");
+ Print("Mounted /system.");
+#endif
+ break;
}
}
}
@@ -258,8 +269,41 @@ void RecoveryUI::FlushKeys() {
pthread_mutex_unlock(&key_queue_mutex);
}
+// The default CheckKey implementation assumes the device has power,
+// volume up, and volume down keys.
+//
+// - Hold power and press vol-up to toggle display.
+// - Press power seven times in a row to reboot.
+// - Alternate vol-up and vol-down seven times to mount /system.
RecoveryUI::KeyAction RecoveryUI::CheckKey(int key) {
- return RecoveryUI::ENQUEUE;
+ if (IsKeyPressed(KEY_POWER) && key == KEY_VOLUMEUP) {
+ return TOGGLE;
+ }
+
+ if (key == KEY_POWER) {
+ ++consecutive_power_keys;
+ if (consecutive_power_keys >= 7) {
+ return REBOOT;
+ }
+ } else {
+ consecutive_power_keys = 0;
+ }
+
+ if ((key == KEY_VOLUMEUP &&
+ (last_key == KEY_VOLUMEDOWN || last_key == -1)) ||
+ (key == KEY_VOLUMEDOWN &&
+ (last_key == KEY_VOLUMEUP || last_key == -1))) {
+ ++consecutive_alternate_keys;
+ if (consecutive_alternate_keys >= 7) {
+ consecutive_alternate_keys = 0;
+ return MOUNT_SYSTEM;
+ }
+ } else {
+ consecutive_alternate_keys = 0;
+ }
+ last_key = key;
+
+ return ENQUEUE;
}
void RecoveryUI::NextCheckKeyIsLong(bool is_long_press) {
diff --git a/ui.h b/ui.h
index 0757260b7..faa0acd46 100644
--- a/ui.h
+++ b/ui.h
@@ -79,7 +79,7 @@ class RecoveryUI {
// Return value indicates whether an immediate operation should be
// triggered (toggling the display, rebooting the device), or if
// the key should be enqueued for use by the main thread.
- enum KeyAction { ENQUEUE, TOGGLE, REBOOT, IGNORE };
+ enum KeyAction { ENQUEUE, TOGGLE, REBOOT, IGNORE, MOUNT_SYSTEM };
virtual KeyAction CheckKey(int key);
// Called immediately before each call to CheckKey(), tell you if
@@ -123,6 +123,10 @@ private:
int key_down_count; // under key_queue_mutex
int rel_sum;
+ int consecutive_power_keys;
+ int consecutive_alternate_keys;
+ int last_key;
+
typedef struct {
RecoveryUI* ui;
int key_code;
@@ -132,7 +136,7 @@ private:
pthread_t input_t;
static void* input_thread(void* cookie);
- static int input_callback(int fd, short revents, void* data);
+ static int input_callback(int fd, uint32_t epevents, void* data);
void process_key(int key_code, int updown);
bool usb_connected();
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-03 05:20:51 +0200