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-rw-r--r--edify/Android.mk2
-rw-r--r--minadbd/Android.mk2
-rw-r--r--otafault/Android.mk1
-rw-r--r--otautil/DirUtil.cpp56
-rw-r--r--otautil/DirUtil.h13
-rw-r--r--roots.cpp233
-rw-r--r--tests/unit/dirutil_test.cpp32
-rw-r--r--uncrypt/Android.mk1
-rw-r--r--updater/install.cpp28
9 files changed, 121 insertions, 247 deletions
diff --git a/edify/Android.mk b/edify/Android.mk
index d8058c16f..ffd54c208 100644
--- a/edify/Android.mk
+++ b/edify/Android.mk
@@ -34,7 +34,6 @@ LOCAL_MODULE := edify_parser
LOCAL_YACCFLAGS := -v
LOCAL_CPPFLAGS += -Wno-unused-parameter
LOCAL_CPPFLAGS += -Wno-deprecated-register
-LOCAL_CLANG := true
LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
LOCAL_STATIC_LIBRARIES += libbase
@@ -51,7 +50,6 @@ LOCAL_CFLAGS := -Werror
LOCAL_CPPFLAGS := -Wno-unused-parameter
LOCAL_CPPFLAGS += -Wno-deprecated-register
LOCAL_MODULE := libedify
-LOCAL_CLANG := true
LOCAL_C_INCLUDES += $(LOCAL_PATH)/..
LOCAL_STATIC_LIBRARIES += libbase
diff --git a/minadbd/Android.mk b/minadbd/Android.mk
index de0b0c890..8d86fd653 100644
--- a/minadbd/Android.mk
+++ b/minadbd/Android.mk
@@ -15,7 +15,6 @@ LOCAL_SRC_FILES := \
minadbd.cpp \
minadbd_services.cpp \
-LOCAL_CLANG := true
LOCAL_MODULE := libminadbd
LOCAL_CFLAGS := $(minadbd_cflags)
LOCAL_CONLY_FLAGS := -Wimplicit-function-declaration
@@ -27,7 +26,6 @@ include $(BUILD_STATIC_LIBRARY)
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_MODULE := minadbd_test
LOCAL_COMPATIBILITY_SUITE := device-tests
LOCAL_SRC_FILES := fuse_adb_provider_test.cpp
diff --git a/otafault/Android.mk b/otafault/Android.mk
index ec4cdb365..7b5aab0b8 100644
--- a/otafault/Android.mk
+++ b/otafault/Android.mk
@@ -32,7 +32,6 @@ LOCAL_CFLAGS := \
LOCAL_SRC_FILES := config.cpp ota_io.cpp
LOCAL_MODULE_TAGS := eng
LOCAL_MODULE := libotafault
-LOCAL_CLANG := true
LOCAL_C_INCLUDES := bootable/recovery
LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
LOCAL_WHOLE_STATIC_LIBRARIES := $(otafault_static_libs)
diff --git a/otautil/DirUtil.cpp b/otautil/DirUtil.cpp
index e08e360c0..ad344dedf 100644
--- a/otautil/DirUtil.cpp
+++ b/otautil/DirUtil.cpp
@@ -160,59 +160,3 @@ dirCreateHierarchy(const char *path, int mode,
}
return 0;
}
-
-int
-dirUnlinkHierarchy(const char *path)
-{
- struct stat st;
- DIR *dir;
- struct dirent *de;
- int fail = 0;
-
- /* is it a file or directory? */
- if (lstat(path, &st) < 0) {
- return -1;
- }
-
- /* a file, so unlink it */
- if (!S_ISDIR(st.st_mode)) {
- return unlink(path);
- }
-
- /* a directory, so open handle */
- dir = opendir(path);
- if (dir == NULL) {
- return -1;
- }
-
- /* recurse over components */
- errno = 0;
- while ((de = readdir(dir)) != NULL) {
- //TODO: don't blow the stack
- char dn[PATH_MAX];
- if (!strcmp(de->d_name, "..") || !strcmp(de->d_name, ".")) {
- continue;
- }
- snprintf(dn, sizeof(dn), "%s/%s", path, de->d_name);
- if (dirUnlinkHierarchy(dn) < 0) {
- fail = 1;
- break;
- }
- errno = 0;
- }
- /* in case readdir or unlink_recursive failed */
- if (fail || errno < 0) {
- int save = errno;
- closedir(dir);
- errno = save;
- return -1;
- }
-
- /* close directory handle */
- if (closedir(dir) < 0) {
- return -1;
- }
-
- /* delete target directory */
- return rmdir(path);
-}
diff --git a/otautil/DirUtil.h b/otautil/DirUtil.h
index 85b83c387..beecc1081 100644
--- a/otautil/DirUtil.h
+++ b/otautil/DirUtil.h
@@ -17,13 +17,8 @@
#ifndef MINZIP_DIRUTIL_H_
#define MINZIP_DIRUTIL_H_
-#include <stdbool.h>
#include <utime.h>
-#ifdef __cplusplus
-extern "C" {
-#endif
-
struct selabel_handle;
/* Like "mkdir -p", try to guarantee that all directories
@@ -43,12 +38,4 @@ int dirCreateHierarchy(const char *path, int mode,
const struct utimbuf *timestamp, bool stripFileName,
struct selabel_handle* sehnd);
-/* rm -rf <path>
- */
-int dirUnlinkHierarchy(const char *path);
-
-#ifdef __cplusplus
-}
-#endif
-
#endif // MINZIP_DIRUTIL_H_
diff --git a/roots.cpp b/roots.cpp
index c4afd5de3..46e5c1bc3 100644
--- a/roots.cpp
+++ b/roots.cpp
@@ -16,147 +16,140 @@
#include "roots.h"
-#include <errno.h>
+#include <ctype.h>
+#include <fcntl.h>
#include <stdlib.h>
#include <sys/mount.h>
#include <sys/stat.h>
#include <sys/types.h>
#include <sys/wait.h>
#include <unistd.h>
-#include <ctype.h>
-#include <fcntl.h>
#include <android-base/logging.h>
#include <android-base/properties.h>
#include <android-base/stringprintf.h>
+#include <android-base/unique_fd.h>
+#include <cryptfs.h>
#include <ext4_utils/wipe.h>
#include <fs_mgr.h>
#include "common.h"
#include "mounts.h"
-#include "cryptfs.h"
-
-static struct fstab *fstab = NULL;
-extern struct selabel_handle *sehandle;
+static struct fstab* fstab = nullptr;
-void load_volume_table()
-{
- int i;
- int ret;
+extern struct selabel_handle* sehandle;
- fstab = fs_mgr_read_fstab_default();
- if (!fstab) {
- LOG(ERROR) << "failed to read default fstab";
- return;
- }
+void load_volume_table() {
+ fstab = fs_mgr_read_fstab_default();
+ if (!fstab) {
+ LOG(ERROR) << "Failed to read default fstab";
+ return;
+ }
- ret = fs_mgr_add_entry(fstab, "/tmp", "ramdisk", "ramdisk");
- if (ret < 0 ) {
- LOG(ERROR) << "failed to add /tmp entry to fstab";
- fs_mgr_free_fstab(fstab);
- fstab = NULL;
- return;
- }
+ int ret = fs_mgr_add_entry(fstab, "/tmp", "ramdisk", "ramdisk");
+ if (ret == -1) {
+ LOG(ERROR) << "Failed to add /tmp entry to fstab";
+ fs_mgr_free_fstab(fstab);
+ fstab = nullptr;
+ return;
+ }
- printf("recovery filesystem table\n");
- printf("=========================\n");
- for (i = 0; i < fstab->num_entries; ++i) {
- Volume* v = &fstab->recs[i];
- printf(" %d %s %s %s %lld\n", i, v->mount_point, v->fs_type,
- v->blk_device, v->length);
- }
- printf("\n");
+ printf("recovery filesystem table\n");
+ printf("=========================\n");
+ for (int i = 0; i < fstab->num_entries; ++i) {
+ const Volume* v = &fstab->recs[i];
+ printf(" %d %s %s %s %lld\n", i, v->mount_point, v->fs_type, v->blk_device, v->length);
+ }
+ printf("\n");
}
Volume* volume_for_path(const char* path) {
- return fs_mgr_get_entry_for_mount_point(fstab, path);
+ return fs_mgr_get_entry_for_mount_point(fstab, path);
}
// Mount the volume specified by path at the given mount_point.
int ensure_path_mounted_at(const char* path, const char* mount_point) {
- Volume* v = volume_for_path(path);
- if (v == NULL) {
- LOG(ERROR) << "unknown volume for path [" << path << "]";
- return -1;
- }
- if (strcmp(v->fs_type, "ramdisk") == 0) {
- // the ramdisk is always mounted.
- return 0;
- }
+ Volume* v = volume_for_path(path);
+ if (v == nullptr) {
+ LOG(ERROR) << "unknown volume for path [" << path << "]";
+ return -1;
+ }
+ if (strcmp(v->fs_type, "ramdisk") == 0) {
+ // The ramdisk is always mounted.
+ return 0;
+ }
- if (!scan_mounted_volumes()) {
- LOG(ERROR) << "failed to scan mounted volumes";
- return -1;
- }
+ if (!scan_mounted_volumes()) {
+ LOG(ERROR) << "Failed to scan mounted volumes";
+ return -1;
+ }
- if (!mount_point) {
- mount_point = v->mount_point;
- }
+ if (!mount_point) {
+ mount_point = v->mount_point;
+ }
- MountedVolume* mv = find_mounted_volume_by_mount_point(mount_point);
- if (mv) {
- // volume is already mounted
- return 0;
- }
+ const MountedVolume* mv = find_mounted_volume_by_mount_point(mount_point);
+ if (mv != nullptr) {
+ // Volume is already mounted.
+ return 0;
+ }
- mkdir(mount_point, 0755); // in case it doesn't already exist
-
- if (strcmp(v->fs_type, "ext4") == 0 ||
- strcmp(v->fs_type, "squashfs") == 0 ||
- strcmp(v->fs_type, "vfat") == 0) {
- int result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
- if (result == -1 && fs_mgr_is_formattable(v)) {
- LOG(ERROR) << "failed to mount " << mount_point << " (" << strerror(errno)
- << ") , formatting.....";
- bool crypt_footer = fs_mgr_is_encryptable(v) && !strcmp(v->key_loc, "footer");
- if (fs_mgr_do_format(v, crypt_footer) == 0) {
- result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
- } else {
- PLOG(ERROR) << "failed to format " << mount_point;
- return -1;
- }
- }
+ mkdir(mount_point, 0755); // in case it doesn't already exist
+
+ if (strcmp(v->fs_type, "ext4") == 0 || strcmp(v->fs_type, "squashfs") == 0 ||
+ strcmp(v->fs_type, "vfat") == 0) {
+ int result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
+ if (result == -1 && fs_mgr_is_formattable(v)) {
+ PLOG(ERROR) << "Failed to mount " << mount_point << "; formatting";
+ bool crypt_footer = fs_mgr_is_encryptable(v) && !strcmp(v->key_loc, "footer");
+ if (fs_mgr_do_format(v, crypt_footer) == 0) {
+ result = mount(v->blk_device, mount_point, v->fs_type, v->flags, v->fs_options);
+ } else {
+ PLOG(ERROR) << "Failed to format " << mount_point;
+ return -1;
+ }
+ }
- if (result == -1) {
- PLOG(ERROR) << "failed to mount " << mount_point;
- return -1;
- }
- return 0;
+ if (result == -1) {
+ PLOG(ERROR) << "Failed to mount " << mount_point;
+ return -1;
}
+ return 0;
+ }
- LOG(ERROR) << "unknown fs_type \"" << v->fs_type << "\" for " << mount_point;
- return -1;
+ LOG(ERROR) << "unknown fs_type \"" << v->fs_type << "\" for " << mount_point;
+ return -1;
}
int ensure_path_mounted(const char* path) {
- // Mount at the default mount point.
- return ensure_path_mounted_at(path, nullptr);
+ // Mount at the default mount point.
+ return ensure_path_mounted_at(path, nullptr);
}
int ensure_path_unmounted(const char* path) {
- Volume* v = volume_for_path(path);
- if (v == NULL) {
- LOG(ERROR) << "unknown volume for path [" << path << "]";
- return -1;
- }
- if (strcmp(v->fs_type, "ramdisk") == 0) {
- // the ramdisk is always mounted; you can't unmount it.
- return -1;
- }
+ const Volume* v = volume_for_path(path);
+ if (v == nullptr) {
+ LOG(ERROR) << "unknown volume for path [" << path << "]";
+ return -1;
+ }
+ if (strcmp(v->fs_type, "ramdisk") == 0) {
+ // The ramdisk is always mounted; you can't unmount it.
+ return -1;
+ }
- if (!scan_mounted_volumes()) {
- LOG(ERROR) << "failed to scan mounted volumes";
- return -1;
- }
+ if (!scan_mounted_volumes()) {
+ LOG(ERROR) << "Failed to scan mounted volumes";
+ return -1;
+ }
- MountedVolume* mv = find_mounted_volume_by_mount_point(v->mount_point);
- if (mv == NULL) {
- // volume is already unmounted
- return 0;
- }
+ MountedVolume* mv = find_mounted_volume_by_mount_point(v->mount_point);
+ if (mv == nullptr) {
+ // Volume is already unmounted.
+ return 0;
+ }
- return unmount_mounted_volume(mv);
+ return unmount_mounted_volume(mv);
}
static int exec_cmd(const char* path, char* const argv[]) {
@@ -173,6 +166,23 @@ static int exec_cmd(const char* path, char* const argv[]) {
return WEXITSTATUS(status);
}
+static ssize_t get_file_size(int fd, uint64_t reserve_len) {
+ struct stat buf;
+ int ret = fstat(fd, &buf);
+ if (ret) return 0;
+
+ ssize_t computed_size;
+ if (S_ISREG(buf.st_mode)) {
+ computed_size = buf.st_size - reserve_len;
+ } else if (S_ISBLK(buf.st_mode)) {
+ computed_size = get_block_device_size(fd) - reserve_len;
+ } else {
+ computed_size = 0;
+ }
+
+ return computed_size;
+}
+
int format_volume(const char* volume, const char* directory) {
Volume* v = volume_for_path(volume);
if (v == NULL) {
@@ -212,7 +222,16 @@ int format_volume(const char* volume, const char* directory) {
if (v->length != 0) {
length = v->length;
} else if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0) {
- length = -CRYPT_FOOTER_OFFSET;
+ android::base::unique_fd fd(open(v->blk_device, O_RDONLY));
+ if (fd < 0) {
+ PLOG(ERROR) << "get_file_size: failed to open " << v->blk_device;
+ return -1;
+ }
+ length = get_file_size(fd.get(), CRYPT_FOOTER_OFFSET);
+ if (length <= 0) {
+ LOG(ERROR) << "get_file_size: invalid size " << length << " for " << v->blk_device;
+ return -1;
+ }
}
int result;
if (strcmp(v->fs_type, "ext4") == 0) {
@@ -270,16 +289,6 @@ int format_volume(const char* volume, const char* directory) {
result = exec_cmd(e2fsdroid_argv[0], const_cast<char**>(e2fsdroid_argv));
}
} else { /* Has to be f2fs because we checked earlier. */
- if (v->key_loc != NULL && strcmp(v->key_loc, "footer") == 0 && length < 0) {
- LOG(ERROR) << "format_volume: crypt footer + negative length (" << length
- << ") not supported on " << v->fs_type;
- return -1;
- }
- if (length < 0) {
- LOG(ERROR) << "format_volume: negative length (" << length
- << ") not supported on " << v->fs_type;
- return -1;
- }
char *num_sectors = nullptr;
if (length >= 512 && asprintf(&num_sectors, "%zd", length / 512) <= 0) {
LOG(ERROR) << "format_volume: failed to create " << v->fs_type
@@ -304,7 +313,7 @@ int format_volume(const char* volume, const char* directory) {
}
int format_volume(const char* volume) {
- return format_volume(volume, NULL);
+ return format_volume(volume, nullptr);
}
int setup_install_mounts() {
@@ -322,12 +331,12 @@ int setup_install_mounts() {
if (strcmp(v->mount_point, "/tmp") == 0 || strcmp(v->mount_point, "/cache") == 0) {
if (ensure_path_mounted(v->mount_point) != 0) {
- LOG(ERROR) << "failed to mount " << v->mount_point;
+ LOG(ERROR) << "Failed to mount " << v->mount_point;
return -1;
}
} else {
if (ensure_path_unmounted(v->mount_point) != 0) {
- LOG(ERROR) << "failed to unmount " << v->mount_point;
+ LOG(ERROR) << "Failed to unmount " << v->mount_point;
return -1;
}
}
diff --git a/tests/unit/dirutil_test.cpp b/tests/unit/dirutil_test.cpp
index 5e2ae4fb5..e62032c68 100644
--- a/tests/unit/dirutil_test.cpp
+++ b/tests/unit/dirutil_test.cpp
@@ -116,35 +116,3 @@ TEST(DirUtilTest, create_mode_and_timestamp) {
ASSERT_EQ(0, rmdir((prefix + "/a/b").c_str()));
ASSERT_EQ(0, rmdir((prefix + "/a").c_str()));
}
-
-TEST(DirUtilTest, unlink_invalid) {
- // File doesn't exist.
- ASSERT_EQ(-1, dirUnlinkHierarchy("doesntexist"));
-
- // Nonexistent directory.
- TemporaryDir td;
- std::string path(td.path);
- ASSERT_EQ(-1, dirUnlinkHierarchy((path + "/a").c_str()));
- ASSERT_EQ(ENOENT, errno);
-}
-
-TEST(DirUtilTest, unlink_smoke) {
- // Unlink a file.
- TemporaryFile tf;
- ASSERT_EQ(0, dirUnlinkHierarchy(tf.path));
- ASSERT_EQ(-1, access(tf.path, F_OK));
-
- TemporaryDir td;
- std::string path(td.path);
- constexpr mode_t mode = 0700;
- ASSERT_EQ(0, mkdir((path + "/a").c_str(), mode));
- ASSERT_EQ(0, mkdir((path + "/a/b").c_str(), mode));
- ASSERT_EQ(0, mkdir((path + "/a/b/c").c_str(), mode));
- ASSERT_EQ(0, mkdir((path + "/a/d").c_str(), mode));
-
- // Remove "../a" recursively.
- ASSERT_EQ(0, dirUnlinkHierarchy((path + "/a").c_str()));
-
- // Verify it's gone.
- ASSERT_EQ(-1, access((path + "/a").c_str(), F_OK));
-}
diff --git a/uncrypt/Android.mk b/uncrypt/Android.mk
index 59084b0bb..cb60c721e 100644
--- a/uncrypt/Android.mk
+++ b/uncrypt/Android.mk
@@ -16,7 +16,6 @@ LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)
-LOCAL_CLANG := true
LOCAL_SRC_FILES := uncrypt.cpp
LOCAL_C_INCLUDES := $(LOCAL_PATH)/..
LOCAL_MODULE := uncrypt
diff --git a/updater/install.cpp b/updater/install.cpp
index bfe91e7f9..8e54c2e75 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -95,34 +95,6 @@ void uiPrintf(State* _Nonnull state, const char* _Nonnull format, ...) {
uiPrint(state, error_msg);
}
-static bool is_dir(const std::string& dirpath) {
- struct stat st;
- return stat(dirpath.c_str(), &st) == 0 && S_ISDIR(st.st_mode);
-}
-
-// Create all parent directories of name, if necessary.
-static bool make_parents(const std::string& name) {
- size_t prev_end = 0;
- while (prev_end < name.size()) {
- size_t next_end = name.find('/', prev_end + 1);
- if (next_end == std::string::npos) {
- break;
- }
- std::string dir_path = name.substr(0, next_end);
- if (!is_dir(dir_path)) {
- int result = mkdir(dir_path.c_str(), 0700);
- if (result != 0) {
- PLOG(ERROR) << "failed to mkdir " << dir_path << " when make parents for " << name;
- return false;
- }
-
- LOG(INFO) << "created [" << dir_path << "]";
- }
- prev_end = next_end;
- }
- return true;
-}
-
// mount(fs_type, partition_type, location, mount_point)
// mount(fs_type, partition_type, location, mount_point, mount_options)
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-01 23:54:39 +0100