mount sdcard only on demand; fix sideload installs

Bug: 3009493
Change-Id: I1a7f99fc41a6a7012742e82f8c06a0c75584890a
This commit is contained in:
Doug Zongker 2010-09-21 16:49:26 -07:00
parent d4208f9f9d
commit c18eeb874b
2 changed files with 26 additions and 3 deletions

View file

@ -456,6 +456,8 @@ static int compare_string(const void* a, const void* b) {
static int
sdcard_directory(const char* path) {
ensure_path_mounted(SDCARD_ROOT);
const char* MENU_HEADERS[] = { "Choose a package to install:",
path,
"",
@ -465,6 +467,7 @@ sdcard_directory(const char* path) {
d = opendir(path);
if (d == NULL) {
LOGE("error opening %s: %s\n", path, strerror(errno));
ensure_path_unmounted(SDCARD_ROOT);
return 0;
}
@ -546,11 +549,13 @@ sdcard_directory(const char* path) {
// the status to the caller.
char new_path[PATH_MAX];
strlcpy(new_path, path, PATH_MAX);
strlcat(new_path, "/", PATH_MAX);
strlcat(new_path, item, PATH_MAX);
ui_print("\n-- Install %s ...\n", path);
set_sdcard_update_bootloader_message();
char* copy = copy_sideloaded_package(new_path);
ensure_path_unmounted(SDCARD_ROOT);
if (copy) {
result = install_package(copy);
free(copy);
@ -566,6 +571,7 @@ sdcard_directory(const char* path) {
free(zips);
free(headers);
ensure_path_unmounted(SDCARD_ROOT);
return result;
}
@ -765,9 +771,6 @@ 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_path_mounted(SDCARD_ROOT);
prompt_and_wait();
}

20
roots.c
View file

@ -35,6 +35,13 @@ void load_volume_table() {
int alloc = 2;
device_volumes = malloc(alloc * sizeof(Volume));
// Insert an entry for /tmp, which is the ramdisk and is always mounted.
device_volumes[0].mount_point = "/tmp";
device_volumes[0].fs_type = "ramdisk";
device_volumes[0].device = NULL;
device_volumes[0].device2 = NULL;
num_volumes = 1;
FILE* fstab = fopen("/etc/recovery.fstab", "r");
if (fstab == NULL) {
LOGE("failed to open /etc/recovery.fstab (%s)\n", strerror(errno));
@ -104,6 +111,10 @@ int ensure_path_mounted(const char* path) {
LOGE("unknown volume for path [%s]\n", path);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// the ramdisk is always mounted.
return 0;
}
int result;
result = scan_mounted_volumes();
@ -160,6 +171,10 @@ int ensure_path_unmounted(const char* path) {
LOGE("unknown volume for path [%s]\n", path);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// the ramdisk is always mounted; you can't unmount it.
return -1;
}
int result;
result = scan_mounted_volumes();
@ -184,6 +199,11 @@ int format_volume(const char* volume) {
LOGE("unknown volume \"%s\"\n", volume);
return -1;
}
if (strcmp(v->fs_type, "ramdisk") == 0) {
// you can't format the ramdisk.
LOGE("can't format_volume \"%s\"", volume);
return -1;
}
if (strcmp(v->mount_point, volume) != 0) {
LOGE("can't give path \"%s\" to format_volume\n", volume);
return -1;