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-rw-r--r--recovery.c123
1 files changed, 117 insertions, 6 deletions
diff --git a/recovery.c b/recovery.c
index 2ce1fd7c4..6c4507f0d 100644
--- a/recovery.c
+++ b/recovery.c
@@ -24,6 +24,7 @@
#include <stdlib.h>
#include <string.h>
#include <sys/reboot.h>
+#include <sys/stat.h>
#include <sys/types.h>
#include <time.h>
#include <unistd.h>
@@ -53,6 +54,7 @@ static const char *INTENT_FILE = "CACHE:recovery/intent";
static const char *LOG_FILE = "CACHE:recovery/log";
static const char *SDCARD_ROOT = "SDCARD:";
static const char *TEMPORARY_LOG_FILE = "/tmp/recovery.log";
+static const char *SIDELOAD_TEMP_DIR = "TMP:sideload";
/*
* The recovery tool communicates with the main system through /cache files.
@@ -300,6 +302,109 @@ erase_root(const char *root) {
return format_root_device(root);
}
+static char*
+copy_sideloaded_package(const char* original_root_path) {
+ if (ensure_root_path_mounted(original_root_path) != 0) {
+ LOGE("Can't mount %s\n", original_root_path);
+ return NULL;
+ }
+
+ char original_path[PATH_MAX] = "";
+ if (translate_root_path(original_root_path, original_path,
+ sizeof(original_path)) == NULL) {
+ LOGE("Bad path %s\n", original_root_path);
+ return NULL;
+ }
+
+ if (ensure_root_path_mounted(SIDELOAD_TEMP_DIR) != 0) {
+ LOGE("Can't mount %s\n", SIDELOAD_TEMP_DIR);
+ return NULL;
+ }
+
+ char copy_path[PATH_MAX] = "";
+ if (translate_root_path(SIDELOAD_TEMP_DIR, copy_path,
+ sizeof(copy_path)) == NULL) {
+ LOGE("Bad path %s\n", SIDELOAD_TEMP_DIR);
+ return NULL;
+ }
+
+ if (mkdir(copy_path, 0700) != 0) {
+ if (errno != EEXIST) {
+ LOGE("Can't mkdir %s (%s)\n", SIDELOAD_TEMP_DIR, strerror(errno));
+ return NULL;
+ }
+ }
+
+ struct stat st;
+ if (stat(copy_path, &st) != 0) {
+ LOGE("failed to stat %s (%s)\n", copy_path, strerror(errno));
+ return NULL;
+ }
+ if (!S_ISDIR(st.st_mode)) {
+ LOGE("%s isn't a directory\n", copy_path);
+ return NULL;
+ }
+ if ((st.st_mode & 0777) != 0700) {
+ LOGE("%s has perms %o\n", copy_path, st.st_mode);
+ return NULL;
+ }
+ if (st.st_uid != 0) {
+ LOGE("%s owned by %lu; not root\n", copy_path, st.st_uid);
+ return NULL;
+ }
+
+ strcat(copy_path, "/package.zip");
+
+ char* buffer = malloc(BUFSIZ);
+ if (buffer == NULL) {
+ LOGE("Failed to allocate buffer\n");
+ return NULL;
+ }
+
+ size_t read;
+ FILE* fin = fopen(original_path, "rb");
+ if (fin == NULL) {
+ LOGE("Failed to open %s (%s)\n", original_path, strerror(errno));
+ return NULL;
+ }
+ FILE* fout = fopen(copy_path, "wb");
+ if (fout == NULL) {
+ LOGE("Failed to open %s (%s)\n", copy_path, strerror(errno));
+ return NULL;
+ }
+
+ while ((read = fread(buffer, 1, BUFSIZ, fin)) > 0) {
+ if (fwrite(buffer, 1, read, fout) != read) {
+ LOGE("Short write of %s (%s)\n", copy_path, strerror(errno));
+ return NULL;
+ }
+ }
+
+ free(buffer);
+
+ if (fclose(fout) != 0) {
+ LOGE("Failed to close %s (%s)\n", copy_path, strerror(errno));
+ return NULL;
+ }
+
+ if (fclose(fin) != 0) {
+ LOGE("Failed to close %s (%s)\n", original_path, strerror(errno));
+ return NULL;
+ }
+
+ // "adb push" is happy to overwrite read-only files when it's
+ // running as root, but we'll try anyway.
+ if (chmod(copy_path, 0400) != 0) {
+ LOGE("Failed to chmod %s (%s)\n", copy_path, strerror(errno));
+ return NULL;
+ }
+
+ char* copy_root_path = malloc(strlen(SIDELOAD_TEMP_DIR) + 20);
+ strcpy(copy_root_path, SIDELOAD_TEMP_DIR);
+ strcat(copy_root_path, "/package.zip");
+ return copy_root_path;
+}
+
static char**
prepend_title(const char** headers) {
char* title[] = { "Android system recovery <"
@@ -371,6 +476,11 @@ static int compare_string(const void* a, const void* b) {
static int
sdcard_directory(const char* root_path) {
+ // Mount the sdcard when the package selection menu is enabled so
+ // you can "adb push" packages to the sdcard and immediately
+ // install them.
+ ensure_root_path_mounted(SDCARD_ROOT);
+
const char* MENU_HEADERS[] = { "Choose a package to install:",
root_path,
"",
@@ -437,7 +547,7 @@ sdcard_directory(const char* root_path) {
z_size += d_size;
zips[z_size] = NULL;
- int result;
+ int result = INSTALL_CORRUPT;
int chosen_item = 0;
do {
chosen_item = get_menu_selection(headers, zips, 1, chosen_item);
@@ -463,8 +573,12 @@ sdcard_directory(const char* root_path) {
strlcat(new_path, item, PATH_MAX);
ui_print("\n-- Install %s ...\n", new_path);
- set_sdcard_update_bootloader_message();
- result = install_package(new_path);
+ char* copy = copy_sideloaded_package(new_path);
+ if (copy != NULL) {
+ set_sdcard_update_bootloader_message();
+ result = install_package(copy);
+ free(copy);
+ }
break;
}
} while (true);
@@ -671,9 +785,6 @@ main(int argc, char **argv) {
if (status != INSTALL_SUCCESS) ui_set_background(BACKGROUND_ICON_ERROR);
if (status != INSTALL_SUCCESS || ui_text_visible()) {
- // Mount the sdcard when the menu is enabled so you can "adb
- // push" packages to the sdcard and immediately install them.
- ensure_root_path_mounted(SDCARD_ROOT);
prompt_and_wait();
}