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authorTao Bao <tbao@google.com>2017-03-09 01:42:20 +0100
committerTao Bao <tbao@google.com>2017-03-13 18:02:08 +0100
commit63d786cf22cb44fe32e8b9c1f18b32da3c9d2e1b (patch)
tree687b857c0f459bdb876605f8247be4e447fefff5 /updater
parentMerge "update_verifier: Set the success flag if dm-verity is not enabled." (diff)
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Diffstat (limited to '')
-rw-r--r--updater/install.cpp362
1 files changed, 0 insertions, 362 deletions
diff --git a/updater/install.cpp b/updater/install.cpp
index c7ecdb5c7..0963333fc 100644
--- a/updater/install.cpp
+++ b/updater/install.cpp
@@ -332,68 +332,6 @@ Value* FormatFn(const char* name, State* state, int argc, Expr* argv[]) {
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 (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, ...])
-// Deletes all the filenames listed. Returns the number of files successfully deleted.
-//
-// delete_recursive([dirname, ...])
-// 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;
- }
- }
-
- 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;
- }
- }
-
- 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);
@@ -557,288 +495,6 @@ Value* PackageExtractFileFn(const char* name, State* state, int argc, Expr* argv
}
}
-// symlink(target, [src1, src2, ...])
-// 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;
- }
-
- 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) {
- 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;
- }
- }
- 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;
-};
-
-static struct perm_parsed_args ParsePermArgs(State * state, int argc,
- const std::vector<std::string>& args) {
- 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;
- }
- 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++;
- }
- }
-
- /* 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_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_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++;
- }
- }
- }
-
- return bad;
-}
-
-// nftw doesn't allow us to pass along context, so we need to use
-// global variables. *sigh*
-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 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);
- }
-
- 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 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 (bad > 0) {
- return ErrorAbort(state, kSetMetadataFailure, "%s: some changes failed", name);
- }
-
- 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);
@@ -1356,25 +1012,8 @@ void RegisterInstallFunctions() {
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);
@@ -1387,7 +1026,6 @@ void RegisterInstallFunctions() {
RegisterFunction("read_file", ReadFileFn);
RegisterFunction("sha1_check", Sha1CheckFn);
- RegisterFunction("rename", RenameFn);
RegisterFunction("write_value", WriteValueFn);
RegisterFunction("wipe_cache", WipeCacheFn);