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-rw-r--r--Android.mk14
-rw-r--r--default_recovery_ui.c65
-rw-r--r--install.c34
-rw-r--r--minui/graphics.c1
-rw-r--r--minui/minui.h16
-rw-r--r--recovery.c103
-rw-r--r--recovery_ui.h76
-rw-r--r--res/images/icon_error.pngbin9616 -> 15259 bytes
-rw-r--r--res/images/icon_firmware_install.pngbin11986 -> 17871 bytes
-rw-r--r--res/images/icon_installing.pngbin10138 -> 15871 bytes
-rw-r--r--roots.c1
-rw-r--r--ui.c11
-rw-r--r--updater/Android.mk38
-rw-r--r--updater/updater.c6
-rw-r--r--verifier.c439
-rw-r--r--verifier.h12
16 files changed, 415 insertions, 401 deletions
diff --git a/Android.mk b/Android.mk
index ecf26401f..deec80ae4 100644
--- a/Android.mk
+++ b/Android.mk
@@ -1,11 +1,11 @@
+ifneq ($(TARGET_SIMULATOR),true)
+ifeq ($(TARGET_ARCH),arm)
+
LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
commands_recovery_local_path := $(LOCAL_PATH)
-ifneq ($(TARGET_SIMULATOR),true)
-ifeq ($(TARGET_ARCH),arm)
-
LOCAL_SRC_FILES := \
recovery.c \
bootloader.c \
@@ -31,7 +31,13 @@ LOCAL_CFLAGS += -DRECOVERY_API_VERSION=$(RECOVERY_API_VERSION)
LOCAL_MODULE_TAGS := eng
-LOCAL_STATIC_LIBRARIES := libminzip libunz libmtdutils libmincrypt
+LOCAL_STATIC_LIBRARIES :=
+ifeq ($(TARGET_RECOVERY_UI_LIB),)
+ LOCAL_SRC_FILES += default_recovery_ui.c
+else
+ LOCAL_STATIC_LIBRARIES += $(TARGET_RECOVERY_UI_LIB)
+endif
+LOCAL_STATIC_LIBRARIES += libminzip libunz libmtdutils libmincrypt
LOCAL_STATIC_LIBRARIES += libminui libpixelflinger_static libpng libcutils
LOCAL_STATIC_LIBRARIES += libstdc++ libc
diff --git a/default_recovery_ui.c b/default_recovery_ui.c
new file mode 100644
index 000000000..d4e620403
--- /dev/null
+++ b/default_recovery_ui.c
@@ -0,0 +1,65 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <linux/input.h>
+
+#include "recovery_ui.h"
+#include "common.h"
+
+char* MENU_HEADERS[] = { "Android system recovery utility",
+ "",
+ NULL };
+
+char* MENU_ITEMS[] = { "reboot system now",
+ "apply sdcard:update.zip",
+ "wipe data/factory reset",
+ "wipe cache partition",
+ NULL };
+
+int device_toggle_display(volatile char* key_pressed, int key_code) {
+ return key_code == KEY_HOME;
+}
+
+int device_reboot_now(volatile char* key_pressed, int key_code) {
+ return 0;
+}
+
+int device_handle_key(int key_code, int visible) {
+ if (visible) {
+ switch (key_code) {
+ case KEY_DOWN:
+ case KEY_VOLUMEDOWN:
+ return HIGHLIGHT_DOWN;
+
+ case KEY_UP:
+ case KEY_VOLUMEUP:
+ return HIGHLIGHT_UP;
+
+ case KEY_ENTER:
+ return SELECT_ITEM;
+ }
+ }
+
+ return NO_ACTION;
+}
+
+int device_perform_action(int which) {
+ return which;
+}
+
+int device_wipe_data() {
+ return 0;
+}
diff --git a/install.c b/install.c
index 2c557eacb..7710cecf2 100644
--- a/install.c
+++ b/install.c
@@ -234,20 +234,8 @@ try_update_binary(const char *path, ZipArchive *zip) {
}
static int
-handle_update_package(const char *path, ZipArchive *zip,
- const RSAPublicKey *keys, int numKeys)
+handle_update_package(const char *path, ZipArchive *zip)
{
- // Give verification half the progress bar...
- ui_print("Verifying update package...\n");
- ui_show_progress(
- VERIFICATION_PROGRESS_FRACTION,
- VERIFICATION_PROGRESS_TIME);
-
- if (!verify_jar_signature(zip, keys, numKeys)) {
- LOGE("Verification failed\n");
- return INSTALL_CORRUPT;
- }
-
// Update should take the rest of the progress bar.
ui_print("Installing update...\n");
@@ -360,10 +348,25 @@ install_package(const char *root_path)
}
LOGI("%d key(s) loaded from %s\n", numKeys, PUBLIC_KEYS_FILE);
+ // Give verification half the progress bar...
+ ui_print("Verifying update package...\n");
+ ui_show_progress(
+ VERIFICATION_PROGRESS_FRACTION,
+ VERIFICATION_PROGRESS_TIME);
+
+ int err;
+ err = verify_file(path, loadedKeys, numKeys);
+ free(loadedKeys);
+ LOGI("verify_file returned %d\n", err);
+ if (err != VERIFY_SUCCESS) {
+ LOGE("signature verification failed\n");
+ return INSTALL_CORRUPT;
+ }
+
/* Try to open the package.
*/
ZipArchive zip;
- int err = mzOpenZipArchive(path, &zip);
+ err = mzOpenZipArchive(path, &zip);
if (err != 0) {
LOGE("Can't open %s\n(%s)\n", path, err != -1 ? strerror(err) : "bad");
return INSTALL_CORRUPT;
@@ -371,8 +374,7 @@ install_package(const char *root_path)
/* Verify and install the contents of the package.
*/
- int status = handle_update_package(path, &zip, loadedKeys, numKeys);
+ int status = handle_update_package(path, &zip);
mzCloseZipArchive(&zip);
- free(loadedKeys);
return status;
}
diff --git a/minui/graphics.c b/minui/graphics.c
index 06c5fdfcd..adbfc09da 100644
--- a/minui/graphics.c
+++ b/minui/graphics.c
@@ -115,6 +115,7 @@ static void set_active_framebuffer(unsigned n)
if (n > 1) return;
vi.yres_virtual = vi.yres * 2;
vi.yoffset = n * vi.yres;
+ vi.bits_per_pixel = 16;
if (ioctl(gr_fb_fd, FBIOPUT_VSCREENINFO, &vi) < 0) {
perror("active fb swap failed");
}
diff --git a/minui/minui.h b/minui/minui.h
index 80b47a47f..567d42157 100644
--- a/minui/minui.h
+++ b/minui/minui.h
@@ -41,22 +41,6 @@ unsigned int gr_get_height(gr_surface surface);
// see http://www.mjmwired.net/kernel/Documentation/input/ for info.
struct input_event;
-// Dream-specific key codes
-#define KEY_DREAM_HOME 102 // = KEY_HOME
-#define KEY_DREAM_RED 107 // = KEY_END
-#define KEY_DREAM_VOLUMEDOWN 114 // = KEY_VOLUMEDOWN
-#define KEY_DREAM_VOLUMEUP 115 // = KEY_VOLUMEUP
-#define KEY_DREAM_SYM 127 // = KEY_COMPOSE
-#define KEY_DREAM_MENU 139 // = KEY_MENU
-#define KEY_DREAM_BACK 158 // = KEY_BACK
-#define KEY_DREAM_FOCUS 211 // = KEY_HP (light touch on camera)
-#define KEY_DREAM_CAMERA 212 // = KEY_CAMERA
-#define KEY_DREAM_AT 215 // = KEY_EMAIL
-#define KEY_DREAM_GREEN 231
-#define KEY_DREAM_FATTOUCH 258 // = BTN_2 ???
-#define KEY_DREAM_BALL 272 // = BTN_MOUSE
-#define KEY_DREAM_TOUCH 330 // = BTN_TOUCH
-
int ev_init(void);
void ev_exit(void);
int ev_get(struct input_event *ev, unsigned dont_wait);
diff --git a/recovery.c b/recovery.c
index 0ff5d94d0..33cbc13d8 100644
--- a/recovery.c
+++ b/recovery.c
@@ -36,6 +36,7 @@
#include "minui/minui.h"
#include "minzip/DirUtil.h"
#include "roots.h"
+#include "recovery_ui.h"
static const struct option OPTIONS[] = {
{ "send_intent", required_argument, NULL, 's' },
@@ -206,6 +207,15 @@ get_args(int *argc, char ***argv) {
set_bootloader_message(&boot);
}
+static void
+set_sdcard_update_bootloader_message()
+{
+ struct bootloader_message boot;
+ memset(&boot, 0, sizeof(boot));
+ strlcpy(boot.command, "boot-recovery", sizeof(boot.command));
+ strlcpy(boot.recovery, "recovery\n", sizeof(boot.recovery));
+ set_bootloader_message(&boot);
+}
// 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), and
@@ -272,26 +282,25 @@ erase_root(const char *root)
static void
prompt_and_wait()
{
- char* headers[] = { "Android system recovery <"
+ char* title[] = { "Android system recovery <"
EXPAND(RECOVERY_API_VERSION) "e>",
- "",
- "Use trackball to highlight;",
- "click to select.",
- "",
- NULL };
-
- // these constants correspond to elements of the items[] list.
-#define ITEM_REBOOT 0
-#define ITEM_APPLY_SDCARD 1
-#define ITEM_WIPE_DATA 2
-#define ITEM_WIPE_CACHE 3
- char* items[] = { "reboot system now [Home+Back]",
- "apply sdcard:update.zip [Alt+S]",
- "wipe data/factory reset [Alt+W]",
- "wipe cache partition",
+ "",
NULL };
- ui_start_menu(headers, items);
+ // count the number of lines in our title, plus the
+ // product-provided headers.
+ int count = 0;
+ char** p;
+ for (p = title; *p; ++p, ++count);
+ for (p = MENU_HEADERS; *p; ++p, ++count);
+
+ char** headers = malloc((count+1) * sizeof(char*));
+ char** h = headers;
+ for (p = title; *p; ++p, ++h) *h = *p;
+ for (p = MENU_HEADERS; *p; ++p, ++h) *h = *p;
+ *h = NULL;
+
+ ui_start_menu(headers, MENU_ITEMS);
int selected = 0;
int chosen_item = -1;
@@ -299,29 +308,28 @@ prompt_and_wait()
ui_reset_progress();
for (;;) {
int key = ui_wait_key();
- int alt = ui_key_pressed(KEY_LEFTALT) || ui_key_pressed(KEY_RIGHTALT);
int visible = ui_text_visible();
- if (key == KEY_DREAM_BACK && ui_key_pressed(KEY_DREAM_HOME)) {
- // Wait for the keys to be released, to avoid triggering
- // special boot modes (like coming back into recovery!).
- while (ui_key_pressed(KEY_DREAM_BACK) ||
- ui_key_pressed(KEY_DREAM_HOME)) {
- usleep(1000);
+ int action = device_handle_key(key, visible);
+
+ if (action < 0) {
+ switch (action) {
+ case HIGHLIGHT_UP:
+ --selected;
+ selected = ui_menu_select(selected);
+ break;
+ case HIGHLIGHT_DOWN:
+ ++selected;
+ selected = ui_menu_select(selected);
+ break;
+ case SELECT_ITEM:
+ chosen_item = selected;
+ break;
+ case NO_ACTION:
+ break;
}
- chosen_item = ITEM_REBOOT;
- } else if (alt && key == KEY_W) {
- chosen_item = ITEM_WIPE_DATA;
- } else if (alt && key == KEY_S) {
- chosen_item = ITEM_APPLY_SDCARD;
- } else if ((key == KEY_DOWN || key == KEY_VOLUMEDOWN) && visible) {
- ++selected;
- selected = ui_menu_select(selected);
- } else if ((key == KEY_UP || key == KEY_VOLUMEUP) && visible) {
- --selected;
- selected = ui_menu_select(selected);
- } else if (key == BTN_MOUSE && visible) {
- chosen_item = selected;
+ } else {
+ chosen_item = action;
}
if (chosen_item >= 0) {
@@ -329,12 +337,18 @@ prompt_and_wait()
// on the screen.
ui_end_menu();
+ // device-specific code may take some action here. It may
+ // return one of the core actions handled in the switch
+ // statement below.
+ chosen_item = device_perform_action(chosen_item);
+
switch (chosen_item) {
case ITEM_REBOOT:
return;
case ITEM_WIPE_DATA:
ui_print("\n-- Wiping data...\n");
+ device_wipe_data();
erase_root("DATA:");
erase_root("CACHE:");
ui_print("Data wipe complete.\n");
@@ -350,6 +364,7 @@ prompt_and_wait()
case ITEM_APPLY_SDCARD:
ui_print("\n-- Install from sdcard...\n");
+ set_sdcard_update_bootloader_message();
int status = install_package(SDCARD_PACKAGE_FILE);
if (status != INSTALL_SUCCESS) {
ui_set_background(BACKGROUND_ICON_ERROR);
@@ -358,8 +373,8 @@ prompt_and_wait()
return; // reboot if logs aren't visible
} else {
if (firmware_update_pending()) {
- ui_print("\nReboot via home+back or menu\n"
- "to complete installation.\n");
+ ui_print("\nReboot via menu to complete\n"
+ "installation.\n");
} else {
ui_print("\nInstall from sdcard complete.\n");
}
@@ -369,7 +384,7 @@ prompt_and_wait()
// if we didn't return from this function to reboot, show
// the menu again.
- ui_start_menu(headers, items);
+ ui_start_menu(headers, MENU_ITEMS);
selected = 0;
chosen_item = -1;
@@ -435,10 +450,14 @@ main(int argc, char **argv)
if (update_package != NULL) {
status = install_package(update_package);
if (status != INSTALL_SUCCESS) ui_print("Installation aborted.\n");
- } else if (wipe_data || wipe_cache) {
- if (wipe_data && erase_root("DATA:")) status = INSTALL_ERROR;
+ } else if (wipe_data) {
+ if (device_wipe_data()) status = INSTALL_ERROR;
+ if (erase_root("DATA:")) status = INSTALL_ERROR;
if (wipe_cache && erase_root("CACHE:")) status = INSTALL_ERROR;
if (status != INSTALL_SUCCESS) ui_print("Data wipe failed.\n");
+ } else if (wipe_cache) {
+ if (wipe_cache && erase_root("CACHE:")) status = INSTALL_ERROR;
+ if (status != INSTALL_SUCCESS) ui_print("Cache wipe failed.\n");
} else {
status = INSTALL_ERROR; // No command specified
}
diff --git a/recovery_ui.h b/recovery_ui.h
new file mode 100644
index 000000000..8818ef303
--- /dev/null
+++ b/recovery_ui.h
@@ -0,0 +1,76 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _RECOVERY_UI_H
+#define _RECOVERY_UI_H
+
+// Called in the input thread when a new key (key_code) is pressed.
+// *key_pressed is an array of KEY_MAX+1 bytes indicating which other
+// keys are already pressed. Return true if the text display should
+// be toggled.
+extern int device_toggle_display(volatile char* key_pressed, int key_code);
+
+// Called in the input thread when a new key (key_code) is pressed.
+// *key_pressed is an array of KEY_MAX+1 bytes indicating which other
+// keys are already pressed. Return true if the device should reboot
+// immediately.
+extern int device_reboot_now(volatile char* key_pressed, int key_code);
+
+// Called from the main thread when recovery is waiting for input and
+// a key is pressed. key is the code of the key pressed; visible is
+// true if the recovery menu is being shown. Implementations can call
+// ui_key_pressed() to discover if other keys are being held down.
+// Return one of the defined constants below in order to:
+//
+// - move the menu highlight (HIGHLIGHT_*)
+// - invoke the highlighted item (SELECT_ITEM)
+// - do nothing (NO_ACTION)
+// - invoke a specific action (a menu position: any non-negative number)
+extern int device_handle_key(int key, int visible);
+
+// Perform a recovery action selected from the menu. 'which' will be
+// the item number of the selected menu item, or a non-negative number
+// returned from device_handle_key(). The menu will be hidden when
+// this is called; implementations can call ui_print() to print
+// information to the screen.
+extern int device_perform_action(int which);
+
+// Called when we do a wipe data/factory reset operation (either via a
+// reboot from the main system with the --wipe_data flag, or when the
+// user boots into recovery manually and selects the option from the
+// menu.) Can perform whatever device-specific wiping actions are
+// needed. Return 0 on success. The userdata and cache partitions
+// are erased after this returns (whether it returns success or not).
+int device_wipe_data();
+
+#define NO_ACTION -1
+
+#define HIGHLIGHT_UP -2
+#define HIGHLIGHT_DOWN -3
+#define SELECT_ITEM -4
+
+#define ITEM_REBOOT 0
+#define ITEM_APPLY_SDCARD 1
+#define ITEM_WIPE_DATA 2
+#define ITEM_WIPE_CACHE 3
+
+// Header text to display above the main menu.
+extern char* MENU_HEADERS[];
+
+// Text of menu items.
+extern char* MENU_ITEMS[];
+
+#endif
diff --git a/res/images/icon_error.png b/res/images/icon_error.png
index 7064c2e23..6cb71c0b3 100644
--- a/res/images/icon_error.png
+++ b/res/images/icon_error.png
Binary files differ
diff --git a/res/images/icon_firmware_install.png b/res/images/icon_firmware_install.png
index ee2afac5d..8bfe77589 100644
--- a/res/images/icon_firmware_install.png
+++ b/res/images/icon_firmware_install.png
Binary files differ
diff --git a/res/images/icon_installing.png b/res/images/icon_installing.png
index f24f2e33f..1aeb9d959 100644
--- a/res/images/icon_installing.png
+++ b/res/images/icon_installing.png
Binary files differ
diff --git a/roots.c b/roots.c
index 6a6cf8adc..8f8dacebf 100644
--- a/roots.c
+++ b/roots.c
@@ -52,6 +52,7 @@ static RootInfo g_roots[] = {
{ "RECOVERY:", g_mtd_device, NULL, "recovery", "/", g_raw },
{ "SDCARD:", "/dev/block/mmcblk0p1", "/dev/block/mmcblk0", NULL, "/sdcard", "vfat" },
{ "SYSTEM:", g_mtd_device, NULL, "system", "/system", "yaffs2" },
+ { "MBM:", g_mtd_device, NULL, "mbm", NULL, g_raw },
{ "TMP:", NULL, NULL, NULL, "/tmp", NULL },
};
#define NUM_ROOTS (sizeof(g_roots) / sizeof(g_roots[0]))
diff --git a/ui.c b/ui.c
index b84f1722f..0a8b985bb 100644
--- a/ui.c
+++ b/ui.c
@@ -27,6 +27,7 @@
#include "common.h"
#include "minui/minui.h"
+#include "recovery_ui.h"
#define MAX_COLS 64
#define MAX_ROWS 32
@@ -307,20 +308,14 @@ static void *input_thread(void *cookie)
}
pthread_mutex_unlock(&key_queue_mutex);
- // Alt+L or Home+End: toggle log display
- int alt = key_pressed[KEY_LEFTALT] || key_pressed[KEY_RIGHTALT];
- if ((alt && ev.code == KEY_L && ev.value > 0) ||
- (key_pressed[KEY_HOME] && ev.code == KEY_END && ev.value > 0)) {
+ if (ev.value > 0 && device_toggle_display(key_pressed, ev.code)) {
pthread_mutex_lock(&gUpdateMutex);
show_text = !show_text;
update_screen_locked();
pthread_mutex_unlock(&gUpdateMutex);
}
- // Green+Menu+Red: reboot immediately
- if (ev.code == KEY_DREAM_RED &&
- key_pressed[KEY_DREAM_MENU] &&
- key_pressed[KEY_DREAM_GREEN]) {
+ if (ev.value > 0 && device_reboot_now(key_pressed, ev.code)) {
reboot(RB_AUTOBOOT);
}
}
diff --git a/updater/Android.mk b/updater/Android.mk
index 897b9d74c..d4a4e332d 100644
--- a/updater/Android.mk
+++ b/updater/Android.mk
@@ -18,11 +18,47 @@ LOCAL_MODULE_TAGS := eng
LOCAL_SRC_FILES := $(updater_src_files)
-LOCAL_STATIC_LIBRARIES := libapplypatch libedify libmtdutils libminzip libz
+LOCAL_STATIC_LIBRARIES := $(TARGET_RECOVERY_UPDATER_LIBS) $(TARGET_RECOVERY_UPDATER_EXTRA_LIBS)
+LOCAL_STATIC_LIBRARIES += libapplypatch libedify libmtdutils libminzip libz
LOCAL_STATIC_LIBRARIES += libmincrypt libbz
LOCAL_STATIC_LIBRARIES += libcutils libstdc++ libc
LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
+# Each library in TARGET_RECOVERY_UPDATER_LIBS should have a function
+# named "Register_<libname>()". Here we emit a little C function that
+# gets #included by updater.c. It calls all those registration
+# functions.
+
+# Devices can also add libraries to TARGET_RECOVERY_UPDATER_EXTRA_LIBS.
+# These libs are also linked in with updater, but we don't try to call
+# any sort of registration function for these. Use this variable for
+# any subsidiary static libraries required for your registered
+# extension libs.
+
+inc := $(call intermediates-dir-for,PACKAGING,updater_extensions)/register.inc
+
+# During the first pass of reading the makefiles, we dump the list of
+# extension libs to a temp file, then copy that to the ".list" file if
+# it is different than the existing .list (if any). The register.inc
+# file then uses the .list as a prerequisite, so it is only rebuilt
+# (and updater.o recompiled) when the list of extension libs changes.
+
+junk := $(shell mkdir -p $(dir $(inc));\
+ echo $(TARGET_RECOVERY_UPDATER_LIBS) > $(inc).temp;\
+ diff -q $(inc).temp $(inc).list || cp -f $(inc).temp $(inc).list)
+
+$(inc) : libs := $(TARGET_RECOVERY_UPDATER_LIBS)
+$(inc) : $(inc).list
+ $(hide) mkdir -p $(dir $@)
+ $(hide) echo "" > $@
+ $(hide) $(foreach lib,$(libs),echo "extern void Register_$(lib)(void);" >> $@)
+ $(hide) echo "void RegisterDeviceExtensions() {" >> $@
+ $(hide) $(foreach lib,$(libs),echo " Register_$(lib)();" >> $@)
+ $(hide) echo "}" >> $@
+
+$(call intermediates-dir-for,EXECUTABLES,updater)/updater.o : $(inc)
+LOCAL_C_INCLUDES += $(dir $(inc))
+
LOCAL_MODULE := updater
LOCAL_FORCE_STATIC_EXECUTABLE := true
diff --git a/updater/updater.c b/updater/updater.c
index 31d93ae96..1aa277c7f 100644
--- a/updater/updater.c
+++ b/updater/updater.c
@@ -23,6 +23,11 @@
#include "install.h"
#include "minzip/Zip.h"
+// Generated by the makefile, this function defines the
+// RegisterDeviceExtensions() function, which calls all the
+// registration functions for device-specific extensions.
+#include "register.inc"
+
// Where in the package we expect to find the edify script to execute.
// (Note it's "updateR-script", not the older "update-script".)
#define SCRIPT_NAME "META-INF/com/google/android/updater-script"
@@ -76,6 +81,7 @@ int main(int argc, char** argv) {
RegisterBuiltins();
RegisterInstallFunctions();
+ RegisterDeviceExtensions();
FinishRegistration();
// Parse the script.
diff --git a/verifier.c b/verifier.c
index 1180ae8d0..f2491a14a 100644
--- a/verifier.c
+++ b/verifier.c
@@ -17,345 +17,168 @@
#include "common.h"
#include "verifier.h"
-#include "minzip/Zip.h"
#include "mincrypt/rsa.h"
#include "mincrypt/sha.h"
-#include <netinet/in.h> /* required for resolv.h */
-#include <resolv.h> /* for base64 codec */
#include <string.h>
-
-/* Return an allocated buffer with the contents of a zip file entry. */
-static char *slurpEntry(const ZipArchive *pArchive, const ZipEntry *pEntry) {
- if (!mzIsZipEntryIntact(pArchive, pEntry)) {
- UnterminatedString fn = mzGetZipEntryFileName(pEntry);
- LOGE("Invalid %.*s\n", fn.len, fn.str);
- return NULL;
+#include <stdio.h>
+#include <errno.h>
+
+// Look for an RSA signature embedded in the .ZIP file comment given
+// the path to the zip. Verify it matches one of the given public
+// keys.
+//
+// Return VERIFY_SUCCESS, VERIFY_FAILURE (if any error is encountered
+// or no key matches the signature).
+
+int verify_file(const char* path, const RSAPublicKey *pKeys, unsigned int numKeys) {
+ ui_set_progress(0.0);
+
+ FILE* f = fopen(path, "rb");
+ if (f == NULL) {
+ LOGE("failed to open %s (%s)\n", path, strerror(errno));
+ return VERIFY_FAILURE;
}
- int len = mzGetZipEntryUncompLen(pEntry);
- char *buf = malloc(len + 1);
- if (buf == NULL) {
- UnterminatedString fn = mzGetZipEntryFileName(pEntry);
- LOGE("Can't allocate %d bytes for %.*s\n", len, fn.len, fn.str);
- return NULL;
+ // An archive with a whole-file signature will end in six bytes:
+ //
+ // $ff $ff (2-byte comment size) (2-byte signature start)
+ //
+ // (As far as the ZIP format is concerned, these are part of the
+ // archive comment.) We start by reading this footer, this tells
+ // us how far back from the end we have to start reading to find
+ // the whole comment.
+
+#define FOOTER_SIZE 6
+
+ if (fseek(f, -FOOTER_SIZE, SEEK_END) != 0) {
+ LOGE("failed to seek in %s (%s)\n", path, strerror(errno));
+ fclose(f);
+ return VERIFY_FAILURE;
}
- if (!mzReadZipEntry(pArchive, pEntry, buf, len)) {
- UnterminatedString fn = mzGetZipEntryFileName(pEntry);
- LOGE("Can't read %.*s\n", fn.len, fn.str);
- free(buf);
- return NULL;
+ unsigned char footer[FOOTER_SIZE];
+ if (fread(footer, 1, FOOTER_SIZE, f) != FOOTER_SIZE) {
+ LOGE("failed to read footer from %s (%s)\n", path, strerror(errno));
+ fclose(f);
+ return VERIFY_FAILURE;
}
- buf[len] = '\0';
- return buf;
-}
-
-
-struct DigestContext {
- SHA_CTX digest;
- unsigned *doneBytes;
- unsigned totalBytes;
-};
-
-
-/* mzProcessZipEntryContents callback to update an SHA-1 hash context. */
-static bool updateHash(const unsigned char *data, int dataLen, void *cookie) {
- struct DigestContext *context = (struct DigestContext *) cookie;
- SHA_update(&context->digest, data, dataLen);
- if (context->doneBytes != NULL) {
- *context->doneBytes += dataLen;
- if (context->totalBytes > 0) {
- ui_set_progress(*context->doneBytes * 1.0 / context->totalBytes);
- }
+ if (footer[2] != 0xff || footer[3] != 0xff) {
+ fclose(f);
+ return VERIFY_FAILURE;
}
- return true;
-}
+ int comment_size = footer[4] + (footer[5] << 8);
+ int signature_start = footer[0] + (footer[1] << 8);
+ LOGI("comment is %d bytes; signature %d bytes from end\n",
+ comment_size, signature_start);
-/* Get the SHA-1 digest of a zip file entry. */
-static bool digestEntry(const ZipArchive *pArchive, const ZipEntry *pEntry,
- unsigned *doneBytes, unsigned totalBytes,
- uint8_t digest[SHA_DIGEST_SIZE]) {
- struct DigestContext context;
- SHA_init(&context.digest);
- context.doneBytes = doneBytes;
- context.totalBytes = totalBytes;
- if (!mzProcessZipEntryContents(pArchive, pEntry, updateHash, &context)) {
- UnterminatedString fn = mzGetZipEntryFileName(pEntry);
- LOGE("Can't digest %.*s\n", fn.len, fn.str);
- return false;
+ if (signature_start - FOOTER_SIZE < RSANUMBYTES) {
+ // "signature" block isn't big enough to contain an RSA block.
+ LOGE("signature is too short\n");
+ fclose(f);
+ return VERIFY_FAILURE;
}
- memcpy(digest, SHA_final(&context.digest), SHA_DIGEST_SIZE);
-
-#ifdef LOG_VERBOSE
- UnterminatedString fn = mzGetZipEntryFileName(pEntry);
- char base64[SHA_DIGEST_SIZE * 3];
- b64_ntop(digest, SHA_DIGEST_SIZE, base64, sizeof(base64));
- LOGV("sha1(%.*s) = %s\n", fn.len, fn.str, base64);
-#endif
-
- return true;
-}
-
-
-/* Find a /META-INF/xxx.SF signature file signed by a matching xxx.RSA file. */
-static const ZipEntry *verifySignature(const ZipArchive *pArchive,
- const RSAPublicKey *pKeys, unsigned int numKeys) {
- static const char prefix[] = "META-INF/";
- static const char rsa[] = ".RSA", sf[] = ".SF";
-
- unsigned int i, j;
- for (i = 0; i < mzZipEntryCount(pArchive); ++i) {
- const ZipEntry *rsaEntry = mzGetZipEntryAt(pArchive, i);
- UnterminatedString rsaName = mzGetZipEntryFileName(rsaEntry);
- int rsaLen = mzGetZipEntryUncompLen(rsaEntry);
- if (rsaLen >= RSANUMBYTES && rsaName.len > sizeof(prefix) &&
- !strncmp(rsaName.str, prefix, sizeof(prefix) - 1) &&
- !strncmp(rsaName.str + rsaName.len - sizeof(rsa) + 1,
- rsa, sizeof(rsa) - 1)) {
- char *sfName = malloc(rsaName.len - sizeof(rsa) + sizeof(sf) + 1);
- if (sfName == NULL) {
- LOGE("Can't allocate %d bytes for filename\n", rsaName.len);
- continue;
- }
+#define EOCD_HEADER_SIZE 22
- /* Replace .RSA with .SF */
- strncpy(sfName, rsaName.str, rsaName.len - sizeof(rsa) + 1);
- strcpy(sfName + rsaName.len - sizeof(rsa) + 1, sf);
- const ZipEntry *sfEntry = mzFindZipEntry(pArchive, sfName);
+ // The end-of-central-directory record is 22 bytes plus any
+ // comment length.
+ size_t eocd_size = comment_size + EOCD_HEADER_SIZE;
- if (sfEntry == NULL) {
- LOGW("Missing signature file %s\n", sfName);
- free(sfName);
- continue;
- }
-
- free(sfName);
-
- uint8_t sfDigest[SHA_DIGEST_SIZE];
- if (!digestEntry(pArchive, sfEntry, NULL, 0, sfDigest)) continue;
-
- char *rsaBuf = slurpEntry(pArchive, rsaEntry);
- if (rsaBuf == NULL) continue;
-
- /* Try to verify the signature with all the keys. */
- uint8_t *sig = (uint8_t *) rsaBuf + rsaLen - RSANUMBYTES;
- for (j = 0; j < numKeys; ++j) {
- if (RSA_verify(&pKeys[j], sig, RSANUMBYTES, sfDigest)) {
- free(rsaBuf);
- LOGI("Verified %.*s\n", rsaName.len, rsaName.str);
- return sfEntry;
- }
- }
-
- free(rsaBuf);
- LOGW("Can't verify %.*s\n", rsaName.len, rsaName.str);
- }
+ if (fseek(f, -eocd_size, SEEK_END) != 0) {
+ LOGE("failed to seek in %s (%s)\n", path, strerror(errno));
+ fclose(f);
+ return VERIFY_FAILURE;
}
- LOGE("No signature (%d files)\n", mzZipEntryCount(pArchive));
- return NULL;
-}
-
-
-/* Verify /META-INF/MANIFEST.MF against the digest in a signature file. */
-static const ZipEntry *verifyManifest(const ZipArchive *pArchive,
- const ZipEntry *sfEntry) {
- static const char prefix[] = "SHA1-Digest-Manifest: ", eol[] = "\r\n";
- uint8_t expected[SHA_DIGEST_SIZE + 3], actual[SHA_DIGEST_SIZE];
-
- char *sfBuf = slurpEntry(pArchive, sfEntry);
- if (sfBuf == NULL) return NULL;
-
- char *line, *save;
- for (line = strtok_r(sfBuf, eol, &save); line != NULL;
- line = strtok_r(NULL, eol, &save)) {
- if (!strncasecmp(prefix, line, sizeof(prefix) - 1)) {
- UnterminatedString fn = mzGetZipEntryFileName(sfEntry);
- const char *digest = line + sizeof(prefix) - 1;
- int n = b64_pton(digest, expected, sizeof(expected));
- if (n != SHA_DIGEST_SIZE) {
- LOGE("Invalid base64 in %.*s: %s (%d)\n",
- fn.len, fn.str, digest, n);
- line = NULL;
- }
- break;
- }
+ // Determine how much of the file is covered by the signature.
+ // This is everything except the signature data and length, which
+ // includes all of the EOCD except for the comment length field (2
+ // bytes) and the comment data.
+ size_t signed_len = ftell(f) + EOCD_HEADER_SIZE - 2;
+
+ unsigned char* eocd = malloc(eocd_size);
+ if (eocd == NULL) {
+ LOGE("malloc for EOCD record failed\n");
+ fclose(f);
+ return VERIFY_FAILURE;
}
-
- free(sfBuf);
-
- if (line == NULL) {
- LOGE("No digest manifest in signature file\n");
- return false;
+ if (fread(eocd, 1, eocd_size, f) != eocd_size) {
+ LOGE("failed to read eocd from %s (%s)\n", path, strerror(errno));
+ fclose(f);
+ return VERIFY_FAILURE;
}
- const char *mfName = "META-INF/MANIFEST.MF";
- const ZipEntry *mfEntry = mzFindZipEntry(pArchive, mfName);
- if (mfEntry == NULL) {
- LOGE("No manifest file %s\n", mfName);
- return NULL;
+ // If this is really is the EOCD record, it will begin with the
+ // magic number $50 $4b $05 $06.
+ if (eocd[0] != 0x50 || eocd[1] != 0x4b ||
+ eocd[2] != 0x05 || eocd[3] != 0x06) {
+ LOGE("signature length doesn't match EOCD marker\n");
+ fclose(f);
+ return VERIFY_FAILURE;
}
- if (!digestEntry(pArchive, mfEntry, NULL, 0, actual)) return NULL;
- if (memcmp(expected, actual, SHA_DIGEST_SIZE)) {
- UnterminatedString fn = mzGetZipEntryFileName(sfEntry);
- LOGE("Wrong digest for %s in %.*s\n", mfName, fn.len, fn.str);
- return NULL;
+ int i;
+ for (i = 4; i < eocd_size-3; ++i) {
+ if (eocd[i ] == 0x50 && eocd[i+1] == 0x4b &&
+ eocd[i+2] == 0x05 && eocd[i+1] == 0x06) {
+ // if the sequence $50 $4b $05 $06 appears anywhere after
+ // the real one, minzip will find the later (wrong) one,
+ // which could be exploitable. Fail verification if
+ // this sequence occurs anywhere after the real one.
+ LOGE("EOCD marker occurs after start of EOCD\n");
+ fclose(f);
+ return VERIFY_FAILURE;
+ }
}
- LOGI("Verified %s\n", mfName);
- return mfEntry;
-}
-
-
-/* Verify all the files in a Zip archive against the manifest. */
-static bool verifyArchive(const ZipArchive *pArchive, const ZipEntry *mfEntry) {
- static const char namePrefix[] = "Name: ";
- static const char contPrefix[] = " "; // Continuation of the filename
- static const char digestPrefix[] = "SHA1-Digest: ";
- static const char eol[] = "\r\n";
+#define BUFFER_SIZE 4096
- char *mfBuf = slurpEntry(pArchive, mfEntry);
- if (mfBuf == NULL) return false;
-
- /* we're using calloc() here, so the initial state of the array is false */
- bool *unverified = (bool *) calloc(mzZipEntryCount(pArchive), sizeof(bool));
- if (unverified == NULL) {
- LOGE("Can't allocate valid flags\n");
- free(mfBuf);
- return false;
+ SHA_CTX ctx;
+ SHA_init(&ctx);
+ unsigned char* buffer = malloc(BUFFER_SIZE);
+ if (buffer == NULL) {
+ LOGE("failed to alloc memory for sha1 buffer\n");
+ fclose(f);
+ return VERIFY_FAILURE;
}
- /* Mark all the files in the archive that need to be verified.
- * As we scan the manifest and check signatures, we'll unset these flags.
- * At the end, we'll make sure that all the flags are unset.
- */
-
- unsigned i, totalBytes = 0;
- for (i = 0; i < mzZipEntryCount(pArchive); ++i) {
- const ZipEntry *entry = mzGetZipEntryAt(pArchive, i);
- UnterminatedString fn = mzGetZipEntryFileName(entry);
- int len = mzGetZipEntryUncompLen(entry);
-
- // Don't validate: directories, the manifest, *.RSA, and *.SF.
-
- if (entry == mfEntry) {
- LOGV("Skipping manifest %.*s\n", fn.len, fn.str);
- } else if (fn.len > 0 && fn.str[fn.len-1] == '/' && len == 0) {
- LOGV("Skipping directory %.*s\n", fn.len, fn.str);
- } else if (!strncasecmp(fn.str, "META-INF/", 9) && (
- !strncasecmp(fn.str + fn.len - 4, ".RSA", 4) ||
- !strncasecmp(fn.str + fn.len - 3, ".SF", 3))) {
- LOGV("Skipping signature %.*s\n", fn.len, fn.str);
- } else {
- unverified[i] = true;
- totalBytes += len;
+ double frac = -1.0;
+ size_t so_far = 0;
+ fseek(f, 0, SEEK_SET);
+ while (so_far < signed_len) {
+ int size = BUFFER_SIZE;
+ if (signed_len - so_far < size) size = signed_len - so_far;
+ if (fread(buffer, 1, size, f) != size) {
+ LOGE("failed to read data from %s (%s)\n", path, strerror(errno));
+ fclose(f);
+ return VERIFY_FAILURE;
}
- }
-
- unsigned doneBytes = 0;
- char *line, *save, *name = NULL;
- for (line = strtok_r(mfBuf, eol, &save); line != NULL;
- line = strtok_r(NULL, eol, &save)) {
- if (!strncasecmp(line, namePrefix, sizeof(namePrefix) - 1)) {
- // "Name:" introducing a new stanza
- if (name != NULL) {
- LOGE("No digest:\n %s\n", name);
- break;
- }
-
- name = strdup(line + sizeof(namePrefix) - 1);
- if (name == NULL) {
- LOGE("Can't copy filename in %s\n", line);
- break;
- }
- } else if (!strncasecmp(line, contPrefix, sizeof(contPrefix) - 1)) {
- // Continuing a long name (nothing else should be continued)
- const char *tail = line + sizeof(contPrefix) - 1;
- if (name == NULL) {
- LOGE("Unexpected continuation:\n %s\n", tail);
- }
-
- char *concat;
- if (asprintf(&concat, "%s%s", name, tail) < 0) {
- LOGE("Can't append continuation %s\n", tail);
- break;
- }
- free(name);
- name = concat;
- } else if (!strncasecmp(line, digestPrefix, sizeof(digestPrefix) - 1)) {
- // "Digest:" supplying a hash code for the current stanza
- const char *base64 = line + sizeof(digestPrefix) - 1;
- if (name == NULL) {
- LOGE("Unexpected digest:\n %s\n", base64);
- break;
- }
-
- const ZipEntry *entry = mzFindZipEntry(pArchive, name);
- if (entry == NULL) {
- LOGE("Missing file:\n %s\n", name);
- break;
- }
- if (!mzIsZipEntryIntact(pArchive, entry)) {
- LOGE("Corrupt file:\n %s\n", name);
- break;
- }
- if (!unverified[mzGetZipEntryIndex(pArchive, entry)]) {
- LOGE("Unexpected file:\n %s\n", name);
- break;
- }
-
- uint8_t expected[SHA_DIGEST_SIZE + 3], actual[SHA_DIGEST_SIZE];
- int n = b64_pton(base64, expected, sizeof(expected));
- if (n != SHA_DIGEST_SIZE) {
- LOGE("Invalid base64:\n %s\n %s\n", name, base64);
- break;
- }
-
- if (!digestEntry(pArchive, entry, &doneBytes, totalBytes, actual) ||
- memcmp(expected, actual, SHA_DIGEST_SIZE) != 0) {
- LOGE("Wrong digest:\n %s\n", name);
- break;
- }
-
- LOGI("Verified %s\n", name);
- unverified[mzGetZipEntryIndex(pArchive, entry)] = false;
- free(name);
- name = NULL;
+ SHA_update(&ctx, buffer, size);
+ so_far += size;
+ double f = so_far / (double)signed_len;
+ if (f > frac + 0.02 || size == so_far) {
+ ui_set_progress(f);
+ frac = f;
}
}
-
- if (name != NULL) free(name);
- free(mfBuf);
-
- for (i = 0; i < mzZipEntryCount(pArchive) && !unverified[i]; ++i) ;
- free(unverified);
-
- // This means we didn't get to the end of the manifest successfully.
- if (line != NULL) return false;
-
- if (i < mzZipEntryCount(pArchive)) {
- const ZipEntry *entry = mzGetZipEntryAt(pArchive, i);
- UnterminatedString fn = mzGetZipEntryFileName(entry);
- LOGE("No digest for %.*s\n", fn.len, fn.str);
- return false;
+ fclose(f);
+ free(buffer);
+
+ const uint8_t* sha1 = SHA_final(&ctx);
+ for (i = 0; i < numKeys; ++i) {
+ // The 6 bytes is the "$ff $ff (signature_start) (comment_size)" that
+ // the signing tool appends after the signature itself.
+ if (RSA_verify(pKeys+i, eocd + eocd_size - 6 - RSANUMBYTES,
+ RSANUMBYTES, sha1)) {
+ LOGI("whole-file signature verified\n");
+ free(eocd);
+ return VERIFY_SUCCESS;
+ }
}
-
- return true;
-}
-
-
-bool verify_jar_signature(const ZipArchive *pArchive,
- const RSAPublicKey *pKeys, int numKeys) {
- const ZipEntry *sfEntry = verifySignature(pArchive, pKeys, numKeys);
- if (sfEntry == NULL) return false;
-
- const ZipEntry *mfEntry = verifyManifest(pArchive, sfEntry);
- if (mfEntry == NULL) return false;
-
- return verifyArchive(pArchive, mfEntry);
+ free(eocd);
+ LOGE("failed to verify whole-file signature\n");
+ return VERIFY_FAILURE;
}
diff --git a/verifier.h b/verifier.h
index d784dce4c..1bdfca6dd 100644
--- a/verifier.h
+++ b/verifier.h
@@ -17,14 +17,14 @@
#ifndef _RECOVERY_VERIFIER_H
#define _RECOVERY_VERIFIER_H
-#include "minzip/Zip.h"
#include "mincrypt/rsa.h"
-/*
- * Check the digital signature (as applied by jarsigner) on a Zip archive.
- * Every file in the archive must be signed by one of the supplied RSA keys.
+/* Look in the file for a signature footer, and verify that it
+ * matches one of the given keys. Return one of the constants below.
*/
-bool verify_jar_signature(const ZipArchive *pArchive,
- const RSAPublicKey *pKeys, int numKeys);
+int verify_file(const char* path, const RSAPublicKey *pKeys, unsigned int numKeys);
+
+#define VERIFY_SUCCESS 0
+#define VERIFY_FAILURE 1
#endif /* _RECOVERY_VERIFIER_H */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-14 05:25:42 +0100