diff options
Diffstat (limited to '')
| -rw-r--r-- | updater/install.cpp | 1484 |
1 files changed, 742 insertions, 742 deletions
diff --git a/updater/install.cpp b/updater/install.cpp index 8db5c1fe0..3cf38774e 100644 --- a/updater/install.cpp +++ b/updater/install.cpp @@ -40,6 +40,7 @@ #include <vector> #include <android-base/file.h> +#include <android-base/logging.h> #include <android-base/parsedouble.h> #include <android-base/parseint.h> #include <android-base/properties.h> @@ -67,33 +68,33 @@ // Send over the buffer to recovery though the command pipe. static void uiPrint(State* state, const std::string& buffer) { - UpdaterInfo* ui = static_cast<UpdaterInfo*>(state->cookie); - - // "line1\nline2\n" will be split into 3 tokens: "line1", "line2" and "". - // So skip sending empty strings to UI. - std::vector<std::string> lines = android::base::Split(buffer, "\n"); - for (auto& line: lines) { - if (!line.empty()) { - fprintf(ui->cmd_pipe, "ui_print %s\n", line.c_str()); - fprintf(ui->cmd_pipe, "ui_print\n"); - } + UpdaterInfo* ui = static_cast<UpdaterInfo*>(state->cookie); + + // "line1\nline2\n" will be split into 3 tokens: "line1", "line2" and "". + // So skip sending empty strings to UI. + std::vector<std::string> lines = android::base::Split(buffer, "\n"); + for (auto& line : lines) { + if (!line.empty()) { + fprintf(ui->cmd_pipe, "ui_print %s\n", line.c_str()); + fprintf(ui->cmd_pipe, "ui_print\n"); } + } - // On the updater side, we need to dump the contents to stderr (which has - // been redirected to the log file). Because the recovery will only print - // the contents to screen when processing pipe command ui_print. - fprintf(stderr, "%s", buffer.c_str()); + // On the updater side, we need to dump the contents to stderr (which has + // been redirected to the log file). Because the recovery will only print + // the contents to screen when processing pipe command ui_print. + LOG(INFO) << buffer; } void uiPrintf(State* _Nonnull state, const char* _Nonnull format, ...) { - std::string error_msg; + std::string error_msg; - va_list ap; - va_start(ap, format); - android::base::StringAppendV(&error_msg, format, ap); - va_end(ap); + va_list ap; + va_start(ap, format); + android::base::StringAppendV(&error_msg, format, ap); + va_end(ap); - uiPrint(state, error_msg); + uiPrint(state, error_msg); } static bool is_dir(const std::string& dirpath) { @@ -103,26 +104,25 @@ static bool is_dir(const std::string& dirpath) { // 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) { - printf("failed to mkdir %s when make parents for %s: %s\n", dir_path.c_str(), - name.c_str(), strerror(errno)); - return false; - } - - printf("created [%s]\n", dir_path.c_str()); - } - prev_end = next_end; - } - return true; + 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) @@ -130,249 +130,242 @@ static bool make_parents(const std::string& name) { // // fs_type="ext4" partition_type="EMMC" location=device Value* MountFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 4 && argc != 5) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 4-5 args, got %d", name, argc); - } + if (argc != 4 && argc != 5) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 4-5 args, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& fs_type = args[0]; - const std::string& partition_type = args[1]; - const std::string& location = args[2]; - const std::string& mount_point = args[3]; - std::string mount_options; - - if (argc == 5) { - mount_options = args[4]; - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& fs_type = args[0]; + const std::string& partition_type = args[1]; + const std::string& location = args[2]; + const std::string& mount_point = args[3]; + std::string mount_options; + + if (argc == 5) { + mount_options = args[4]; + } - if (fs_type.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", - name); - } - if (partition_type.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty", - name); - } - if (location.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", - name); - } - if (mount_point.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty", - name); - } + if (fs_type.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name); + } + if (partition_type.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty", + name); + } + if (location.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name); + } + if (mount_point.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty", + name); + } - { - char *secontext = NULL; + { + char* secontext = nullptr; - if (sehandle) { - selabel_lookup(sehandle, &secontext, mount_point.c_str(), 0755); - setfscreatecon(secontext); - } + if (sehandle) { + selabel_lookup(sehandle, &secontext, mount_point.c_str(), 0755); + setfscreatecon(secontext); + } - mkdir(mount_point.c_str(), 0755); + mkdir(mount_point.c_str(), 0755); - if (secontext) { - freecon(secontext); - setfscreatecon(NULL); - } + if (secontext) { + freecon(secontext); + setfscreatecon(nullptr); } + } - if (mount(location.c_str(), mount_point.c_str(), fs_type.c_str(), - MS_NOATIME | MS_NODEV | MS_NODIRATIME, mount_options.c_str()) < 0) { - uiPrintf(state, "%s: failed to mount %s at %s: %s\n", - name, location.c_str(), mount_point.c_str(), strerror(errno)); - return StringValue(""); - } + if (mount(location.c_str(), mount_point.c_str(), fs_type.c_str(), + MS_NOATIME | MS_NODEV | MS_NODIRATIME, mount_options.c_str()) < 0) { + uiPrintf(state, "%s: failed to mount %s at %s: %s\n", name, location.c_str(), + mount_point.c_str(), strerror(errno)); + return StringValue(""); + } - return StringValue(mount_point); + return StringValue(mount_point); } // is_mounted(mount_point) Value* IsMountedFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); - } + if (argc != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& mount_point = args[0]; - if (mount_point.empty()) { - return ErrorAbort(state, kArgsParsingFailure, - "mount_point argument to unmount() can't be empty"); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& mount_point = args[0]; + if (mount_point.empty()) { + return ErrorAbort(state, kArgsParsingFailure, + "mount_point argument to unmount() can't be empty"); + } - scan_mounted_volumes(); - MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str()); - if (vol == nullptr) { - return StringValue(""); - } + scan_mounted_volumes(); + MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str()); + if (vol == nullptr) { + return StringValue(""); + } - return StringValue(mount_point); + return StringValue(mount_point); } - Value* UnmountFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); - } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& mount_point = args[0]; - if (mount_point.empty()) { - return ErrorAbort(state, kArgsParsingFailure, - "mount_point argument to unmount() can't be empty"); - } + if (argc != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); + } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& mount_point = args[0]; + if (mount_point.empty()) { + return ErrorAbort(state, kArgsParsingFailure, + "mount_point argument to unmount() can't be empty"); + } - scan_mounted_volumes(); - MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str()); - if (vol == nullptr) { - uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point.c_str()); - return nullptr; - } else { - int ret = unmount_mounted_volume(vol); - if (ret != 0) { - uiPrintf(state, "unmount of %s failed (%d): %s\n", - mount_point.c_str(), ret, strerror(errno)); - } + scan_mounted_volumes(); + MountedVolume* vol = find_mounted_volume_by_mount_point(mount_point.c_str()); + if (vol == nullptr) { + uiPrintf(state, "unmount of %s failed; no such volume\n", mount_point.c_str()); + return nullptr; + } else { + int ret = unmount_mounted_volume(vol); + if (ret != 0) { + uiPrintf(state, "unmount of %s failed (%d): %s\n", mount_point.c_str(), ret, strerror(errno)); } + } - return StringValue(mount_point); + return StringValue(mount_point); } static int exec_cmd(const char* path, char* const argv[]) { - int status; - pid_t child; - if ((child = vfork()) == 0) { - execv(path, argv); - _exit(-1); - } - waitpid(child, &status, 0); - if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { - printf("%s failed with status %d\n", path, WEXITSTATUS(status)); - } - return WEXITSTATUS(status); + pid_t child; + if ((child = vfork()) == 0) { + execv(path, argv); + _exit(-1); + } + + int status; + waitpid(child, &status, 0); + if (!WIFEXITED(status) || WEXITSTATUS(status) != 0) { + LOG(ERROR) << path << " failed with status " << WEXITSTATUS(status); + } + return WEXITSTATUS(status); } // format(fs_type, partition_type, location, fs_size, mount_point) // -// fs_type="ext4" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location> -// fs_type="f2fs" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location> +// fs_type="ext4" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location> +// fs_type="f2fs" partition_type="EMMC" location=device fs_size=<bytes> mount_point=<location> // if fs_size == 0, then make fs uses the entire partition. // if fs_size > 0, that is the size to use // if fs_size < 0, then reserve that many bytes at the end of the partition (not for "f2fs") Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 5) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 5 args, got %d", name, argc); - } + if (argc != 5) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 5 args, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& fs_type = args[0]; - const std::string& partition_type = args[1]; - const std::string& location = args[2]; - const std::string& fs_size = args[3]; - const std::string& mount_point = args[4]; - - if (fs_type.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", - name); - } - if (partition_type.empty()) { - return ErrorAbort(state, kArgsParsingFailure, - "partition_type argument to %s() can't be empty", name); - } - if (location.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", - name); - } - if (mount_point.empty()) { - return ErrorAbort(state, kArgsParsingFailure, - "mount_point argument to %s() can't be empty", name); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& fs_type = args[0]; + const std::string& partition_type = args[1]; + const std::string& location = args[2]; + const std::string& fs_size = args[3]; + const std::string& mount_point = args[4]; + + if (fs_type.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "fs_type argument to %s() can't be empty", name); + } + if (partition_type.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "partition_type argument to %s() can't be empty", + name); + } + if (location.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "location argument to %s() can't be empty", name); + } + if (mount_point.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "mount_point argument to %s() can't be empty", + name); + } - int64_t size; - if (!android::base::ParseInt(fs_size, &size)) { - return ErrorAbort(state, kArgsParsingFailure, - "%s: failed to parse int in %s\n", name, fs_size.c_str()); + int64_t size; + if (!android::base::ParseInt(fs_size, &size)) { + return ErrorAbort(state, kArgsParsingFailure, "%s: failed to parse int in %s\n", name, + fs_size.c_str()); + } + + if (fs_type == "ext4") { + int status = make_ext4fs(location.c_str(), size, mount_point.c_str(), sehandle); + if (status != 0) { + LOG(ERROR) << name << ": make_ext4fs failed (" << status << ") on " << location; + return StringValue(""); } + return StringValue(location); + } else if (fs_type == "f2fs") { + if (size < 0) { + LOG(ERROR) << name << ": fs_size can't be negative for f2fs: " << fs_size; + return StringValue(""); + } + std::string num_sectors = std::to_string(size / 512); - if (fs_type == "ext4") { - int status = make_ext4fs(location.c_str(), size, mount_point.c_str(), sehandle); - if (status != 0) { - printf("%s: make_ext4fs failed (%d) on %s", name, status, location.c_str()); - return StringValue(""); - } - return StringValue(location); - } else if (fs_type == "f2fs") { - if (size < 0) { - printf("%s: fs_size can't be negative for f2fs: %s", name, fs_size.c_str()); - return StringValue(""); - } - std::string num_sectors = std::to_string(size / 512); - - const char *f2fs_path = "/sbin/mkfs.f2fs"; - const char* const f2fs_argv[] = {"mkfs.f2fs", "-t", "-d1", location.c_str(), - num_sectors.c_str(), nullptr}; - int status = exec_cmd(f2fs_path, (char* const*)f2fs_argv); - if (status != 0) { - printf("%s: mkfs.f2fs failed (%d) on %s", name, status, location.c_str()); - return StringValue(""); - } - return StringValue(location); - } else { - printf("%s: unsupported fs_type \"%s\" partition_type \"%s\"", - name, fs_type.c_str(), partition_type.c_str()); + const char* f2fs_path = "/sbin/mkfs.f2fs"; + const char* const f2fs_argv[] = { "mkfs.f2fs", "-t", "-d1", location.c_str(), + num_sectors.c_str(), nullptr }; + int status = exec_cmd(f2fs_path, const_cast<char* const*>(f2fs_argv)); + if (status != 0) { + LOG(ERROR) << name << ": mkfs.f2fs failed (" << status << ") on " << location; + return StringValue(""); } + return StringValue(location); + } else { + LOG(ERROR) << name << ": unsupported fs_type \"" << fs_type << "\" partition_type \"" + << partition_type << "\""; + } - return nullptr; + return nullptr; } // rename(src_name, dst_name) // Renames src_name to dst_name. It automatically creates the necessary directories for dst_name. // Example: rename("system/app/Hangouts/Hangouts.apk", "system/priv-app/Hangouts/Hangouts.apk") Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 2) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc); - } - - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& src_name = args[0]; - const std::string& dst_name = args[1]; + if (argc != 2) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc); + } - if (src_name.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty", - name); - } - if (dst_name.empty()) { - return ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty", - name); - } - if (!make_parents(dst_name)) { - return ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s", - dst_name.c_str(), strerror(errno)); - } else if (access(dst_name.c_str(), F_OK) == 0 && access(src_name.c_str(), F_OK) != 0) { - // File was already moved - return StringValue(dst_name); - } else if (rename(src_name.c_str(), dst_name.c_str()) != 0) { - return ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s", - src_name.c_str(), dst_name.c_str(), strerror(errno)); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& src_name = args[0]; + const std::string& dst_name = args[1]; + if (src_name.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "src_name argument to %s() can't be empty", name); + } + if (dst_name.empty()) { + return ErrorAbort(state, kArgsParsingFailure, "dst_name argument to %s() can't be empty", name); + } + if (!make_parents(dst_name)) { + return ErrorAbort(state, kFileRenameFailure, "Creating parent of %s failed, error %s", + dst_name.c_str(), strerror(errno)); + } else if (access(dst_name.c_str(), F_OK) == 0 && access(src_name.c_str(), F_OK) != 0) { + // File was already moved return StringValue(dst_name); + } else if (rename(src_name.c_str(), dst_name.c_str()) != 0) { + return ErrorAbort(state, kFileRenameFailure, "Rename of %s to %s failed, error %s", + src_name.c_str(), dst_name.c_str(), strerror(errno)); + } + + return StringValue(dst_name); } // delete([filename, ...]) @@ -382,76 +375,76 @@ Value* RenameFn(const char* name, State* state, int argc, Expr* argv[]) { // Recursively deletes dirnames and all their contents. Returns the number of directories // successfully deleted. Value* DeleteFn(const char* name, State* state, int argc, Expr* argv[]) { - std::vector<std::string> paths(argc); - for (int i = 0; i < argc; ++i) { - if (!Evaluate(state, argv[i], &paths[i])) { - return nullptr; - } + std::vector<std::string> paths(argc); + for (int i = 0; i < argc; ++i) { + if (!Evaluate(state, argv[i], &paths[i])) { + return nullptr; } + } - bool recursive = (strcmp(name, "delete_recursive") == 0); + bool recursive = (strcmp(name, "delete_recursive") == 0); - int success = 0; - for (int i = 0; i < argc; ++i) { - if ((recursive ? dirUnlinkHierarchy(paths[i].c_str()) : unlink(paths[i].c_str())) == 0) { - ++success; - } + int success = 0; + for (int i = 0; i < argc; ++i) { + if ((recursive ? dirUnlinkHierarchy(paths[i].c_str()) : unlink(paths[i].c_str())) == 0) { + ++success; } + } - return StringValue(std::to_string(success)); + return StringValue(std::to_string(success)); } Value* ShowProgressFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 2) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc); - } + if (argc != 2) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 2 args, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& frac_str = args[0]; - const std::string& sec_str = args[1]; + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& frac_str = args[0]; + const std::string& sec_str = args[1]; - double frac; - if (!android::base::ParseDouble(frac_str.c_str(), &frac)) { - return ErrorAbort(state, kArgsParsingFailure, - "%s: failed to parse double in %s\n", name, frac_str.c_str()); - } - int sec; - if (!android::base::ParseInt(sec_str.c_str(), &sec)) { - return ErrorAbort(state, kArgsParsingFailure, - "%s: failed to parse int in %s\n", name, sec_str.c_str()); - } + double frac; + if (!android::base::ParseDouble(frac_str.c_str(), &frac)) { + return ErrorAbort(state, kArgsParsingFailure, "%s: failed to parse double in %s\n", name, + frac_str.c_str()); + } + int sec; + if (!android::base::ParseInt(sec_str.c_str(), &sec)) { + return ErrorAbort(state, kArgsParsingFailure, "%s: failed to parse int in %s\n", name, + sec_str.c_str()); + } - UpdaterInfo* ui = (UpdaterInfo*)(state->cookie); - fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec); + UpdaterInfo* ui = static_cast<UpdaterInfo*>(state->cookie); + fprintf(ui->cmd_pipe, "progress %f %d\n", frac, sec); - return StringValue(frac_str); + return StringValue(frac_str); } Value* SetProgressFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); - } + if (argc != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, 1, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& frac_str = args[0]; + std::vector<std::string> args; + if (!ReadArgs(state, 1, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& frac_str = args[0]; - double frac; - if (!android::base::ParseDouble(frac_str.c_str(), &frac)) { - return ErrorAbort(state, kArgsParsingFailure, - "%s: failed to parse double in %s\n", name, frac_str.c_str()); - } + double frac; + if (!android::base::ParseDouble(frac_str.c_str(), &frac)) { + return ErrorAbort(state, kArgsParsingFailure, "%s: failed to parse double in %s\n", name, + frac_str.c_str()); + } - UpdaterInfo* ui = (UpdaterInfo*)(state->cookie); - fprintf(ui->cmd_pipe, "set_progress %f\n", frac); + UpdaterInfo* ui = static_cast<UpdaterInfo*>(state->cookie); + fprintf(ui->cmd_pipe, "set_progress %f\n", frac); - return StringValue(frac_str); + return StringValue(frac_str); } // package_extract_dir(package_dir, dest_dir) @@ -505,30 +498,31 @@ Value* PackageExtractFileFn(const char* name, State* state, int argc, Expr* argv ZipString zip_string_path(zip_path.c_str()); ZipEntry entry; if (FindEntry(za, zip_string_path, &entry) != 0) { - printf("%s: no %s in package\n", name, zip_path.c_str()); + LOG(ERROR) << name << ": no " << zip_path << " in package"; return StringValue(""); } unique_fd fd(TEMP_FAILURE_RETRY( ota_open(dest_path.c_str(), O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR))); if (fd == -1) { - printf("%s: can't open %s for write: %s\n", name, dest_path.c_str(), strerror(errno)); + PLOG(ERROR) << name << ": can't open " << dest_path << " for write"; return StringValue(""); } bool success = true; int32_t ret = ExtractEntryToFile(za, &entry, fd); if (ret != 0) { - printf("%s: Failed to extract entry \"%s\" (%u bytes) to \"%s\": %s\n", name, - zip_path.c_str(), entry.uncompressed_length, dest_path.c_str(), ErrorCodeString(ret)); + LOG(ERROR) << name << ": Failed to extract entry \"" << zip_path << "\" (" + << entry.uncompressed_length << " bytes) to \"" << dest_path + << "\": " << ErrorCodeString(ret); success = false; } if (ota_fsync(fd) == -1) { - printf("fsync of \"%s\" failed: %s\n", dest_path.c_str(), strerror(errno)); + PLOG(ERROR) << "fsync of \"" << dest_path << "\" failed"; success = false; } if (ota_close(fd) == -1) { - printf("close of \"%s\" failed: %s\n", dest_path.c_str(), strerror(errno)); + PLOG(ERROR) << "close of \"" << dest_path << "\" failed"; success = false; } @@ -568,241 +562,234 @@ Value* PackageExtractFileFn(const char* name, State* state, int argc, Expr* argv // Creates all sources as symlinks to target. It unlinks any previously existing src1, src2, etc // before creating symlinks. Value* SymlinkFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc == 0) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1+ args, got %d", name, argc); - } - std::string target; - if (!Evaluate(state, argv[0], &target)) { - return nullptr; - } + if (argc == 0) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1+ args, got %d", name, argc); + } + std::string target; + if (!Evaluate(state, argv[0], &target)) { + return nullptr; + } - std::vector<std::string> srcs; - if (!ReadArgs(state, argc-1, argv+1, &srcs)) { - return ErrorAbort(state, kArgsParsingFailure, "%s(): Failed to parse the argument(s)", - name); - } + std::vector<std::string> srcs; + if (!ReadArgs(state, argc - 1, argv + 1, &srcs)) { + return ErrorAbort(state, kArgsParsingFailure, "%s(): Failed to parse the argument(s)", name); + } - size_t bad = 0; - for (const auto& src : srcs) { - if (unlink(src.c_str()) == -1 && errno != ENOENT) { - printf("%s: failed to remove %s: %s\n", name, src.c_str(), strerror(errno)); - ++bad; - } else if (!make_parents(src)) { - printf("%s: failed to symlink %s to %s: making parents failed\n", - name, src.c_str(), target.c_str()); - ++bad; - } else if (symlink(target.c_str(), src.c_str()) == -1) { - printf("%s: failed to symlink %s to %s: %s\n", - name, src.c_str(), target.c_str(), strerror(errno)); - ++bad; - } - } - if (bad != 0) { - return ErrorAbort(state, kSymlinkFailure, "%s: Failed to create %zu symlink(s)", name, bad); + size_t bad = 0; + for (const auto& src : srcs) { + if (unlink(src.c_str()) == -1 && errno != ENOENT) { + PLOG(ERROR) << name << ": failed to remove " << src; + ++bad; + } else if (!make_parents(src)) { + LOG(ERROR) << name << ": failed to symlink " << src << " to " << target + << ": making parents failed"; + ++bad; + } else if (symlink(target.c_str(), src.c_str()) == -1) { + PLOG(ERROR) << name << ": failed to symlink " << src << " to " << target; + ++bad; } - return StringValue("t"); + } + if (bad != 0) { + return ErrorAbort(state, kSymlinkFailure, "%s: Failed to create %zu symlink(s)", name, bad); + } + return StringValue("t"); } struct perm_parsed_args { - bool has_uid; - uid_t uid; - bool has_gid; - gid_t gid; - bool has_mode; - mode_t mode; - bool has_fmode; - mode_t fmode; - bool has_dmode; - mode_t dmode; - bool has_selabel; - const char* selabel; - bool has_capabilities; - uint64_t capabilities; + bool has_uid; + uid_t uid; + bool has_gid; + gid_t gid; + bool has_mode; + mode_t mode; + bool has_fmode; + mode_t fmode; + bool has_dmode; + mode_t dmode; + bool has_selabel; + const char* selabel; + bool has_capabilities; + uint64_t capabilities; }; static struct perm_parsed_args ParsePermArgs(State * state, int argc, const std::vector<std::string>& args) { - int i; - struct perm_parsed_args parsed; - int bad = 0; - static int max_warnings = 20; - - memset(&parsed, 0, sizeof(parsed)); - - for (i = 1; i < argc; i += 2) { - if (args[i] == "uid") { - int64_t uid; - if (sscanf(args[i+1].c_str(), "%" SCNd64, &uid) == 1) { - parsed.uid = uid; - parsed.has_uid = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "gid") { - int64_t gid; - if (sscanf(args[i+1].c_str(), "%" SCNd64, &gid) == 1) { - parsed.gid = gid; - parsed.has_gid = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "mode") { - int32_t mode; - if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) { - parsed.mode = mode; - parsed.has_mode = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "dmode") { - int32_t mode; - if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) { - parsed.dmode = mode; - parsed.has_dmode = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "fmode") { - int32_t mode; - if (sscanf(args[i+1].c_str(), "%" SCNi32, &mode) == 1) { - parsed.fmode = mode; - parsed.has_fmode = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "capabilities") { - int64_t capabilities; - if (sscanf(args[i+1].c_str(), "%" SCNi64, &capabilities) == 1) { - parsed.capabilities = capabilities; - parsed.has_capabilities = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (args[i] == "selabel") { - if (!args[i+1].empty()) { - parsed.selabel = args[i+1].c_str(); - parsed.has_selabel = true; - } else { - uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1].c_str()); - bad++; - } - continue; - } - if (max_warnings != 0) { - printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i].c_str()); - max_warnings--; - if (max_warnings == 0) { - printf("ParsedPermArgs: suppressing further warnings\n"); - } - } + struct perm_parsed_args parsed; + int bad = 0; + static int max_warnings = 20; + + memset(&parsed, 0, sizeof(parsed)); + + for (int i = 1; i < argc; i += 2) { + if (args[i] == "uid") { + int64_t uid; + if (sscanf(args[i + 1].c_str(), "%" SCNd64, &uid) == 1) { + parsed.uid = uid; + parsed.has_uid = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid UID \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (args[i] == "gid") { + int64_t gid; + if (sscanf(args[i + 1].c_str(), "%" SCNd64, &gid) == 1) { + parsed.gid = gid; + parsed.has_gid = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid GID \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (args[i] == "mode") { + int32_t mode; + if (sscanf(args[i + 1].c_str(), "%" SCNi32, &mode) == 1) { + parsed.mode = mode; + parsed.has_mode = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid mode \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; } - return parsed; + if (args[i] == "dmode") { + int32_t mode; + if (sscanf(args[i + 1].c_str(), "%" SCNi32, &mode) == 1) { + parsed.dmode = mode; + parsed.has_dmode = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid dmode \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (args[i] == "fmode") { + int32_t mode; + if (sscanf(args[i + 1].c_str(), "%" SCNi32, &mode) == 1) { + parsed.fmode = mode; + parsed.has_fmode = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid fmode \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (args[i] == "capabilities") { + int64_t capabilities; + if (sscanf(args[i + 1].c_str(), "%" SCNi64, &capabilities) == 1) { + parsed.capabilities = capabilities; + parsed.has_capabilities = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid capabilities \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (args[i] == "selabel") { + if (!args[i + 1].empty()) { + parsed.selabel = args[i + 1].c_str(); + parsed.has_selabel = true; + } else { + uiPrintf(state, "ParsePermArgs: invalid selabel \"%s\"\n", args[i + 1].c_str()); + bad++; + } + continue; + } + if (max_warnings != 0) { + printf("ParsedPermArgs: unknown key \"%s\", ignoring\n", args[i].c_str()); + max_warnings--; + if (max_warnings == 0) { + LOG(INFO) << "ParsedPermArgs: suppressing further warnings"; + } + } + } + return parsed; } -static int ApplyParsedPerms( - State * state, - const char* filename, - const struct stat *statptr, - struct perm_parsed_args parsed) -{ - int bad = 0; - - if (parsed.has_selabel) { - if (lsetfilecon(filename, parsed.selabel) != 0) { - uiPrintf(state, "ApplyParsedPerms: lsetfilecon of %s to %s failed: %s\n", - filename, parsed.selabel, strerror(errno)); - bad++; - } - } +static int ApplyParsedPerms(State* state, const char* filename, const struct stat* statptr, + struct perm_parsed_args parsed) { + int bad = 0; - /* ignore symlinks */ - if (S_ISLNK(statptr->st_mode)) { - return bad; + if (parsed.has_selabel) { + if (lsetfilecon(filename, parsed.selabel) != 0) { + uiPrintf(state, "ApplyParsedPerms: lsetfilecon of %s to %s failed: %s\n", filename, + parsed.selabel, strerror(errno)); + bad++; } + } - if (parsed.has_uid) { - if (chown(filename, parsed.uid, -1) < 0) { - uiPrintf(state, "ApplyParsedPerms: chown of %s to %d failed: %s\n", - filename, parsed.uid, strerror(errno)); - bad++; - } + /* ignore symlinks */ + if (S_ISLNK(statptr->st_mode)) { + return bad; + } + + if (parsed.has_uid) { + if (chown(filename, parsed.uid, -1) < 0) { + uiPrintf(state, "ApplyParsedPerms: chown of %s to %d failed: %s\n", filename, parsed.uid, + strerror(errno)); + bad++; } + } - if (parsed.has_gid) { - if (chown(filename, -1, parsed.gid) < 0) { - uiPrintf(state, "ApplyParsedPerms: chgrp of %s to %d failed: %s\n", - filename, parsed.gid, strerror(errno)); - bad++; - } + if (parsed.has_gid) { + if (chown(filename, -1, parsed.gid) < 0) { + uiPrintf(state, "ApplyParsedPerms: chgrp of %s to %d failed: %s\n", filename, parsed.gid, + strerror(errno)); + bad++; } + } - if (parsed.has_mode) { - if (chmod(filename, parsed.mode) < 0) { - uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", - filename, parsed.mode, strerror(errno)); - bad++; - } + if (parsed.has_mode) { + if (chmod(filename, parsed.mode) < 0) { + uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", filename, parsed.mode, + strerror(errno)); + bad++; } + } - if (parsed.has_dmode && S_ISDIR(statptr->st_mode)) { - if (chmod(filename, parsed.dmode) < 0) { - uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", - filename, parsed.dmode, strerror(errno)); - bad++; - } + if (parsed.has_dmode && S_ISDIR(statptr->st_mode)) { + if (chmod(filename, parsed.dmode) < 0) { + uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", filename, parsed.dmode, + strerror(errno)); + bad++; } + } - if (parsed.has_fmode && S_ISREG(statptr->st_mode)) { - if (chmod(filename, parsed.fmode) < 0) { - uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", - filename, parsed.fmode, strerror(errno)); - bad++; - } + if (parsed.has_fmode && S_ISREG(statptr->st_mode)) { + if (chmod(filename, parsed.fmode) < 0) { + uiPrintf(state, "ApplyParsedPerms: chmod of %s to %d failed: %s\n", filename, parsed.fmode, + strerror(errno)); + bad++; } + } - if (parsed.has_capabilities && S_ISREG(statptr->st_mode)) { - if (parsed.capabilities == 0) { - if ((removexattr(filename, XATTR_NAME_CAPS) == -1) && (errno != ENODATA)) { - // Report failure unless it's ENODATA (attribute not set) - uiPrintf(state, "ApplyParsedPerms: removexattr of %s to %" PRIx64 " failed: %s\n", - filename, parsed.capabilities, strerror(errno)); - bad++; - } - } else { - struct vfs_cap_data cap_data; - memset(&cap_data, 0, sizeof(cap_data)); - cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE; - cap_data.data[0].permitted = (uint32_t) (parsed.capabilities & 0xffffffff); - cap_data.data[0].inheritable = 0; - cap_data.data[1].permitted = (uint32_t) (parsed.capabilities >> 32); - cap_data.data[1].inheritable = 0; - if (setxattr(filename, XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) { - uiPrintf(state, "ApplyParsedPerms: setcap of %s to %" PRIx64 " failed: %s\n", - filename, parsed.capabilities, strerror(errno)); - bad++; - } - } + if (parsed.has_capabilities && S_ISREG(statptr->st_mode)) { + if (parsed.capabilities == 0) { + if ((removexattr(filename, XATTR_NAME_CAPS) == -1) && (errno != ENODATA)) { + // Report failure unless it's ENODATA (attribute not set) + uiPrintf(state, "ApplyParsedPerms: removexattr of %s to %" PRIx64 " failed: %s\n", filename, + parsed.capabilities, strerror(errno)); + bad++; + } + } else { + struct vfs_cap_data cap_data; + memset(&cap_data, 0, sizeof(cap_data)); + cap_data.magic_etc = VFS_CAP_REVISION | VFS_CAP_FLAGS_EFFECTIVE; + cap_data.data[0].permitted = (uint32_t)(parsed.capabilities & 0xffffffff); + cap_data.data[0].inheritable = 0; + cap_data.data[1].permitted = (uint32_t)(parsed.capabilities >> 32); + cap_data.data[1].inheritable = 0; + if (setxattr(filename, XATTR_NAME_CAPS, &cap_data, sizeof(cap_data), 0) < 0) { + uiPrintf(state, "ApplyParsedPerms: setcap of %s to %" PRIx64 " failed: %s\n", filename, + parsed.capabilities, strerror(errno)); + bad++; + } } + } - return bad; + return bad; } // nftw doesn't allow us to pass along context, so we need to use @@ -810,60 +797,60 @@ static int ApplyParsedPerms( static struct perm_parsed_args recursive_parsed_args; static State* recursive_state; -static int do_SetMetadataRecursive(const char* filename, const struct stat *statptr, - int fileflags, struct FTW *pfwt) { - return ApplyParsedPerms(recursive_state, filename, statptr, recursive_parsed_args); +static int do_SetMetadataRecursive(const char* filename, const struct stat* statptr, int fileflags, + struct FTW* pfwt) { + return ApplyParsedPerms(recursive_state, filename, statptr, recursive_parsed_args); } static Value* SetMetadataFn(const char* name, State* state, int argc, Expr* argv[]) { - if ((argc % 2) != 1) { - return ErrorAbort(state, kArgsParsingFailure, - "%s() expects an odd number of arguments, got %d", name, argc); - } + if ((argc % 2) != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects an odd number of arguments, got %d", + name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } - struct stat sb; - if (lstat(args[0].c_str(), &sb) == -1) { - return ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s", - name, args[0].c_str(), strerror(errno)); - } + struct stat sb; + if (lstat(args[0].c_str(), &sb) == -1) { + return ErrorAbort(state, kSetMetadataFailure, "%s: Error on lstat of \"%s\": %s", name, + args[0].c_str(), strerror(errno)); + } - struct perm_parsed_args parsed = ParsePermArgs(state, argc, args); - int bad = 0; - bool recursive = (strcmp(name, "set_metadata_recursive") == 0); + struct perm_parsed_args parsed = ParsePermArgs(state, argc, args); + int bad = 0; + bool recursive = (strcmp(name, "set_metadata_recursive") == 0); - if (recursive) { - recursive_parsed_args = parsed; - recursive_state = state; - bad += nftw(args[0].c_str(), do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS); - memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args)); - recursive_state = NULL; - } else { - bad += ApplyParsedPerms(state, args[0].c_str(), &sb, parsed); - } + if (recursive) { + recursive_parsed_args = parsed; + recursive_state = state; + bad += nftw(args[0].c_str(), do_SetMetadataRecursive, 30, FTW_CHDIR | FTW_DEPTH | FTW_PHYS); + memset(&recursive_parsed_args, 0, sizeof(recursive_parsed_args)); + recursive_state = NULL; + } else { + bad += ApplyParsedPerms(state, args[0].c_str(), &sb, parsed); + } - if (bad > 0) { - return ErrorAbort(state, kSetMetadataFailure, "%s: some changes failed", name); - } + if (bad > 0) { + return ErrorAbort(state, kSetMetadataFailure, "%s: some changes failed", name); + } - return StringValue(""); + return StringValue(""); } Value* GetPropFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); - } - std::string key; - if (!Evaluate(state, argv[0], &key)) { - return nullptr; - } - std::string value = android::base::GetProperty(key, ""); + if (argc != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); + } + std::string key; + if (!Evaluate(state, argv[0], &key)) { + return nullptr; + } + std::string value = android::base::GetProperty(key, ""); - return StringValue(value); + return StringValue(value); } // file_getprop(file, key) @@ -936,25 +923,34 @@ Value* FileGetPropFn(const char* name, State* state, int argc, Expr* argv[]) { } // apply_patch_space(bytes) -Value* ApplyPatchSpaceFn(const char* name, State* state, - int argc, Expr* argv[]) { - std::vector<std::string> args; - if (!ReadArgs(state, 1, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& bytes_str = args[0]; +Value* ApplyPatchSpaceFn(const char* name, State* state, int argc, Expr* argv[]) { + std::vector<std::string> args; + if (!ReadArgs(state, 1, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& bytes_str = args[0]; - size_t bytes; - if (!android::base::ParseUint(bytes_str.c_str(), &bytes)) { - return ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n", - name, bytes_str.c_str()); - } + size_t bytes; + if (!android::base::ParseUint(bytes_str.c_str(), &bytes)) { + return ErrorAbort(state, kArgsParsingFailure, "%s(): can't parse \"%s\" as byte count\n\n", + name, bytes_str.c_str()); + } - return StringValue(CacheSizeCheck(bytes) ? "" : "t"); + return StringValue(CacheSizeCheck(bytes) ? "" : "t"); } -// apply_patch(file, size, init_sha1, tgt_sha1, patch) - +// apply_patch(src_file, tgt_file, tgt_sha1, tgt_size, patch1_sha1, patch1_blob, [...]) +// Applies a binary patch to the src_file to produce the tgt_file. If the desired target is the +// same as the source, pass "-" for tgt_file. tgt_sha1 and tgt_size are the expected final SHA1 +// hash and size of the target file. The remaining arguments must come in pairs: a SHA1 hash (a +// 40-character hex string) and a blob. The blob is the patch to be applied when the source +// file's current contents have the given SHA1. +// +// The patching is done in a safe manner that guarantees the target file either has the desired +// SHA1 hash and size, or it is untouched -- it will not be left in an unrecoverable intermediate +// state. If the process is interrupted during patching, the target file may be in an intermediate +// state; a copy exists in the cache partition so restarting the update can successfully update +// the file. Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) { if (argc < 6 || (argc % 2) == 1) { return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 6 args and an " @@ -1007,87 +1003,90 @@ Value* ApplyPatchFn(const char* name, State* state, int argc, Expr* argv[]) { return StringValue(result == 0 ? "t" : ""); } -// apply_patch_check(file, [sha1_1, ...]) -Value* ApplyPatchCheckFn(const char* name, State* state, - int argc, Expr* argv[]) { - if (argc < 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 1 arg, got %d", - name, argc); - } +// apply_patch_check(filename, [sha1, ...]) +// Returns true if the contents of filename or the temporary copy in the cache partition (if +// present) have a SHA-1 checksum equal to one of the given sha1 values. sha1 values are +// specified as 40 hex digits. This function differs from sha1_check(read_file(filename), +// sha1 [, ...]) in that it knows to check the cache partition copy, so apply_patch_check() will +// succeed even if the file was corrupted by an interrupted apply_patch() update. +Value* ApplyPatchCheckFn(const char* name, State* state, int argc, Expr* argv[]) { + if (argc < 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s(): expected at least 1 arg, got %d", name, + argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, 1, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& filename = args[0]; + std::vector<std::string> args; + if (!ReadArgs(state, 1, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& filename = args[0]; - std::vector<std::string> sha1s; - if (!ReadArgs(state, argc - 1, argv + 1, &sha1s)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - int result = applypatch_check(filename.c_str(), sha1s); + std::vector<std::string> sha1s; + if (!ReadArgs(state, argc - 1, argv + 1, &sha1s)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + int result = applypatch_check(filename.c_str(), sha1s); - return StringValue(result == 0 ? "t" : ""); + return StringValue(result == 0 ? "t" : ""); } // This is the updater side handler for ui_print() in edify script. Contents // will be sent over to the recovery side for on-screen display. Value* UIPrintFn(const char* name, State* state, int argc, Expr* argv[]) { - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } - std::string buffer = android::base::Join(args, "") + "\n"; - uiPrint(state, buffer); - return StringValue(buffer); + std::string buffer = android::base::Join(args, "") + "\n"; + uiPrint(state, buffer); + return StringValue(buffer); } Value* WipeCacheFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 0) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc); - } - fprintf(((UpdaterInfo*)(state->cookie))->cmd_pipe, "wipe_cache\n"); - return StringValue("t"); + if (argc != 0) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc); + } + fprintf(static_cast<UpdaterInfo*>(state->cookie)->cmd_pipe, "wipe_cache\n"); + return StringValue("t"); } Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc < 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name); - } + if (argc < 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name); + } - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } - char* args2[argc+1]; - for (int i = 0; i < argc; i++) { - args2[i] = &args[i][0]; - } - args2[argc] = nullptr; + char* args2[argc + 1]; + for (int i = 0; i < argc; i++) { + args2[i] = &args[i][0]; + } + args2[argc] = nullptr; - printf("about to run program [%s] with %d args\n", args2[0], argc); + LOG(INFO) << "about to run program [" << args2[0] << "] with " << argc << " args"; - pid_t child = fork(); - if (child == 0) { - execv(args2[0], args2); - printf("run_program: execv failed: %s\n", strerror(errno)); - _exit(1); - } - int status; - waitpid(child, &status, 0); - if (WIFEXITED(status)) { - if (WEXITSTATUS(status) != 0) { - printf("run_program: child exited with status %d\n", - WEXITSTATUS(status)); - } - } else if (WIFSIGNALED(status)) { - printf("run_program: child terminated by signal %d\n", - WTERMSIG(status)); + pid_t child = fork(); + if (child == 0) { + execv(args2[0], args2); + PLOG(ERROR) << "run_program: execv failed"; + _exit(1); + } + + int status; + waitpid(child, &status, 0); + if (WIFEXITED(status)) { + if (WEXITSTATUS(status) != 0) { + LOG(ERROR) << "run_program: child exited with status " << WEXITSTATUS(status); } + } else if (WIFSIGNALED(status)) { + LOG(ERROR) << "run_program: child terminated by signal " << WTERMSIG(status); + } - return StringValue(android::base::StringPrintf("%d", status)); + return StringValue(std::to_string(status)); } // sha1_check(data) @@ -1099,63 +1098,63 @@ Value* RunProgramFn(const char* name, State* state, int argc, Expr* argv[]) { // strings passed, or "" if it does not equal any of them. // Value* Sha1CheckFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc < 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name); - } + if (argc < 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects at least 1 arg", name); + } - std::vector<std::unique_ptr<Value>> args; - if (!ReadValueArgs(state, argc, argv, &args)) { - return nullptr; - } + std::vector<std::unique_ptr<Value>> args; + if (!ReadValueArgs(state, argc, argv, &args)) { + return nullptr; + } - if (args[0]->type == VAL_INVALID) { - return StringValue(""); - } - uint8_t digest[SHA_DIGEST_LENGTH]; - SHA1(reinterpret_cast<const uint8_t*>(args[0]->data.c_str()), args[0]->data.size(), digest); + if (args[0]->type == VAL_INVALID) { + return StringValue(""); + } + uint8_t digest[SHA_DIGEST_LENGTH]; + SHA1(reinterpret_cast<const uint8_t*>(args[0]->data.c_str()), args[0]->data.size(), digest); - if (argc == 1) { - return StringValue(print_sha1(digest)); - } + if (argc == 1) { + return StringValue(print_sha1(digest)); + } - for (int i = 1; i < argc; ++i) { - uint8_t arg_digest[SHA_DIGEST_LENGTH]; - if (args[i]->type != VAL_STRING) { - printf("%s(): arg %d is not a string; skipping", name, i); - } else if (ParseSha1(args[i]->data.c_str(), arg_digest) != 0) { - // Warn about bad args and skip them. - printf("%s(): error parsing \"%s\" as sha-1; skipping", name, args[i]->data.c_str()); - } else if (memcmp(digest, arg_digest, SHA_DIGEST_LENGTH) == 0) { - // Found a match. - return args[i].release(); - } + for (int i = 1; i < argc; ++i) { + uint8_t arg_digest[SHA_DIGEST_LENGTH]; + if (args[i]->type != VAL_STRING) { + LOG(ERROR) << name << "(): arg " << i << " is not a string; skipping"; + } else if (ParseSha1(args[i]->data.c_str(), arg_digest) != 0) { + // Warn about bad args and skip them. + LOG(ERROR) << name << "(): error parsing \"" << args[i]->data << "\" as sha-1; skipping"; + } else if (memcmp(digest, arg_digest, SHA_DIGEST_LENGTH) == 0) { + // Found a match. + return args[i].release(); } + } - // Didn't match any of the hex strings; return false. - return StringValue(""); + // Didn't match any of the hex strings; return false. + return StringValue(""); } // Read a local file and return its contents (the Value* returned // is actually a FileContents*). Value* ReadFileFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 1) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); - } + if (argc != 1) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects 1 arg, got %d", name, argc); + } - std::vector<std::string> args; - if (!ReadArgs(state, 1, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); - } - const std::string& filename = args[0]; + std::vector<std::string> args; + if (!ReadArgs(state, 1, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() Failed to parse the argument(s)", name); + } + const std::string& filename = args[0]; - Value* v = new Value(VAL_INVALID, ""); + Value* v = new Value(VAL_INVALID, ""); - FileContents fc; - if (LoadFileContents(filename.c_str(), &fc) == 0) { - v->type = VAL_BLOB; - v->data = std::string(fc.data.begin(), fc.data.end()); - } - return v; + FileContents fc; + if (LoadFileContents(filename.c_str(), &fc) == 0) { + v->type = VAL_BLOB; + v->data = std::string(fc.data.begin(), fc.data.end()); + } + return v; } // write_value(value, filename) @@ -1178,7 +1177,7 @@ Value* WriteValueFn(const char* name, State* state, int argc, Expr* argv[]) { const std::string& value = args[0]; if (!android::base::WriteStringToFile(value, filename)) { - printf("%s: Failed to write to \"%s\": %s\n", name, filename.c_str(), strerror(errno)); + PLOG(ERROR) << name << ": Failed to write to \"" << filename << "\""; return StringValue(""); } else { return StringValue("t"); @@ -1210,12 +1209,12 @@ Value* RebootNowFn(const char* name, State* state, int argc, Expr* argv[]) { bootloader_message boot; std::string err; if (!read_bootloader_message_from(&boot, filename, &err)) { - printf("%s(): Failed to read from \"%s\": %s", name, filename.c_str(), err.c_str()); + LOG(ERROR) << name << "(): Failed to read from \"" << filename << "\": " << err; return StringValue(""); } memset(boot.command, 0, sizeof(boot.command)); if (!write_bootloader_message_to(boot, filename, &err)) { - printf("%s(): Failed to write to \"%s\": %s", name, filename.c_str(), err.c_str()); + LOG(ERROR) << name << "(): Failed to write to \"" << filename << "\": " << err; return StringValue(""); } @@ -1255,12 +1254,12 @@ Value* SetStageFn(const char* name, State* state, int argc, Expr* argv[]) { bootloader_message boot; std::string err; if (!read_bootloader_message_from(&boot, filename, &err)) { - printf("%s(): Failed to read from \"%s\": %s", name, filename.c_str(), err.c_str()); + LOG(ERROR) << name << "(): Failed to read from \"" << filename << "\": " << err; return StringValue(""); } strlcpy(boot.stage, stagestr.c_str(), sizeof(boot.stage)); if (!write_bootloader_message_to(boot, filename, &err)) { - printf("%s(): Failed to write to \"%s\": %s", name, filename.c_str(), err.c_str()); + LOG(ERROR) << name << "(): Failed to write to \"" << filename << "\": " << err; return StringValue(""); } @@ -1283,7 +1282,7 @@ Value* GetStageFn(const char* name, State* state, int argc, Expr* argv[]) { bootloader_message boot; std::string err; if (!read_bootloader_message_from(&boot, filename, &err)) { - printf("%s(): Failed to read from \"%s\": %s", name, filename.c_str(), err.c_str()); + LOG(ERROR) << name << "(): Failed to read from \"" << filename << "\": " << err; return StringValue(""); } @@ -1314,93 +1313,94 @@ Value* WipeBlockDeviceFn(const char* name, State* state, int argc, Expr* argv[]) } Value* EnableRebootFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc != 0) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc); - } - UpdaterInfo* ui = (UpdaterInfo*)(state->cookie); - fprintf(ui->cmd_pipe, "enable_reboot\n"); - return StringValue("t"); + if (argc != 0) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects no args, got %d", name, argc); + } + UpdaterInfo* ui = static_cast<UpdaterInfo*>(state->cookie); + fprintf(ui->cmd_pipe, "enable_reboot\n"); + return StringValue("t"); } Value* Tune2FsFn(const char* name, State* state, int argc, Expr* argv[]) { - if (argc == 0) { - return ErrorAbort(state, kArgsParsingFailure, "%s() expects args, got %d", name, argc); - } - - std::vector<std::string> args; - if (!ReadArgs(state, argc, argv, &args)) { - return ErrorAbort(state, kArgsParsingFailure, "%s() could not read args", name); - } + if (argc == 0) { + return ErrorAbort(state, kArgsParsingFailure, "%s() expects args, got %d", name, argc); + } - char* args2[argc+1]; - // Tune2fs expects the program name as its args[0] - args2[0] = const_cast<char*>(name); - if (args2[0] == nullptr) { - return nullptr; - } - for (int i = 0; i < argc; ++i) { - args2[i + 1] = &args[i][0]; - } + std::vector<std::string> args; + if (!ReadArgs(state, argc, argv, &args)) { + return ErrorAbort(state, kArgsParsingFailure, "%s() could not read args", name); + } - // tune2fs changes the file system parameters on an ext2 file system; it - // returns 0 on success. - int result = tune2fs_main(argc + 1, args2); + char* args2[argc + 1]; + // Tune2fs expects the program name as its args[0] + args2[0] = const_cast<char*>(name); + if (args2[0] == nullptr) { + return nullptr; + } + for (int i = 0; i < argc; ++i) { + args2[i + 1] = &args[i][0]; + } - if (result != 0) { - return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d", name, result); - } - return StringValue("t"); + // tune2fs changes the file system parameters on an ext2 file system; it + // returns 0 on success. + int result = tune2fs_main(argc + 1, args2); + if (result != 0) { + return ErrorAbort(state, kTune2FsFailure, "%s() returned error code %d", name, result); + } + return StringValue("t"); } void RegisterInstallFunctions() { - RegisterFunction("mount", MountFn); - RegisterFunction("is_mounted", IsMountedFn); - RegisterFunction("unmount", UnmountFn); - RegisterFunction("format", FormatFn); - RegisterFunction("show_progress", ShowProgressFn); - RegisterFunction("set_progress", SetProgressFn); - RegisterFunction("delete", DeleteFn); - RegisterFunction("delete_recursive", DeleteFn); - RegisterFunction("package_extract_dir", PackageExtractDirFn); - RegisterFunction("package_extract_file", PackageExtractFileFn); - RegisterFunction("symlink", SymlinkFn); - - // Usage: - // set_metadata("filename", "key1", "value1", "key2", "value2", ...) - // Example: - // set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0); - RegisterFunction("set_metadata", SetMetadataFn); - - // Usage: - // set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...) - // Example: - // set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, "selabel", "u:object_r:system_file:s0", "capabilities", 0x0); - RegisterFunction("set_metadata_recursive", SetMetadataFn); - - RegisterFunction("getprop", GetPropFn); - RegisterFunction("file_getprop", FileGetPropFn); - - RegisterFunction("apply_patch", ApplyPatchFn); - RegisterFunction("apply_patch_check", ApplyPatchCheckFn); - RegisterFunction("apply_patch_space", ApplyPatchSpaceFn); - - RegisterFunction("wipe_block_device", WipeBlockDeviceFn); - - RegisterFunction("read_file", ReadFileFn); - RegisterFunction("sha1_check", Sha1CheckFn); - RegisterFunction("rename", RenameFn); - RegisterFunction("write_value", WriteValueFn); - - RegisterFunction("wipe_cache", WipeCacheFn); - - RegisterFunction("ui_print", UIPrintFn); - - RegisterFunction("run_program", RunProgramFn); - - RegisterFunction("reboot_now", RebootNowFn); - RegisterFunction("get_stage", GetStageFn); - RegisterFunction("set_stage", SetStageFn); - - RegisterFunction("enable_reboot", EnableRebootFn); - RegisterFunction("tune2fs", Tune2FsFn); + RegisterFunction("mount", MountFn); + RegisterFunction("is_mounted", IsMountedFn); + RegisterFunction("unmount", UnmountFn); + RegisterFunction("format", FormatFn); + RegisterFunction("show_progress", ShowProgressFn); + RegisterFunction("set_progress", SetProgressFn); + RegisterFunction("delete", DeleteFn); + RegisterFunction("delete_recursive", DeleteFn); + RegisterFunction("package_extract_dir", PackageExtractDirFn); + RegisterFunction("package_extract_file", PackageExtractFileFn); + RegisterFunction("symlink", SymlinkFn); + + // Usage: + // set_metadata("filename", "key1", "value1", "key2", "value2", ...) + // Example: + // set_metadata("/system/bin/netcfg", "uid", 0, "gid", 3003, "mode", 02750, "selabel", + // "u:object_r:system_file:s0", "capabilities", 0x0); + RegisterFunction("set_metadata", SetMetadataFn); + + // Usage: + // set_metadata_recursive("dirname", "key1", "value1", "key2", "value2", ...) + // Example: + // set_metadata_recursive("/system", "uid", 0, "gid", 0, "fmode", 0644, "dmode", 0755, + // "selabel", "u:object_r:system_file:s0", "capabilities", 0x0); + RegisterFunction("set_metadata_recursive", SetMetadataFn); + + RegisterFunction("getprop", GetPropFn); + RegisterFunction("file_getprop", FileGetPropFn); + + RegisterFunction("apply_patch", ApplyPatchFn); + RegisterFunction("apply_patch_check", ApplyPatchCheckFn); + RegisterFunction("apply_patch_space", ApplyPatchSpaceFn); + + RegisterFunction("wipe_block_device", WipeBlockDeviceFn); + + RegisterFunction("read_file", ReadFileFn); + RegisterFunction("sha1_check", Sha1CheckFn); + RegisterFunction("rename", RenameFn); + RegisterFunction("write_value", WriteValueFn); + + RegisterFunction("wipe_cache", WipeCacheFn); + + RegisterFunction("ui_print", UIPrintFn); + + RegisterFunction("run_program", RunProgramFn); + + RegisterFunction("reboot_now", RebootNowFn); + RegisterFunction("get_stage", GetStageFn); + RegisterFunction("set_stage", SetStageFn); + + RegisterFunction("enable_reboot", EnableRebootFn); + RegisterFunction("tune2fs", Tune2FsFn); } |