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-rw-r--r--init/builtins.cpp216
1 files changed, 103 insertions, 113 deletions
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 7a4f7c15e..36ecbb8e9 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -14,6 +14,8 @@
* limitations under the License.
*/
+#include "builtins.h"
+
#include <errno.h>
#include <fcntl.h>
#include <mntent.h>
@@ -44,10 +46,10 @@
#include <private/android_filesystem_config.h>
#include "action.h"
+#include "bootchart.h"
#include "devices.h"
#include "init.h"
#include "init_parser.h"
-#include "keywords.h"
#include "log.h"
#include "property_service.h"
#include "service.h"
@@ -60,8 +62,7 @@
// System call provided by bionic but not in any header file.
extern "C" int init_module(void *, unsigned long, const char *);
-static int insmod(const char *filename, const char *options)
-{
+static int insmod(const char *filename, const char *options) {
std::string module;
if (!read_file(filename, &module)) {
return -1;
@@ -71,8 +72,7 @@ static int insmod(const char *filename, const char *options)
return init_module(&module[0], module.size(), options);
}
-static int __ifupdown(const char *interface, int up)
-{
+static int __ifupdown(const char *interface, int up) {
struct ifreq ifr;
int s, ret;
@@ -99,8 +99,7 @@ done:
return ret;
}
-static void unmount_and_fsck(const struct mntent *entry)
-{
+static void unmount_and_fsck(const struct mntent *entry) {
if (strcmp(entry->mnt_type, "f2fs") && strcmp(entry->mnt_type, "ext4"))
return;
@@ -160,8 +159,7 @@ static void unmount_and_fsck(const struct mntent *entry)
}
}
-int do_class_start(const std::vector<std::string>& args)
-{
+static int do_class_start(const std::vector<std::string>& args) {
/* Starting a class does not start services
* which are explicitly disabled. They must
* be started individually.
@@ -171,27 +169,23 @@ int do_class_start(const std::vector<std::string>& args)
return 0;
}
-int do_class_stop(const std::vector<std::string>& args)
-{
+static int do_class_stop(const std::vector<std::string>& args) {
ServiceManager::GetInstance().
ForEachServiceInClass(args[1], [] (Service* s) { s->Stop(); });
return 0;
}
-int do_class_reset(const std::vector<std::string>& args)
-{
+static int do_class_reset(const std::vector<std::string>& args) {
ServiceManager::GetInstance().
ForEachServiceInClass(args[1], [] (Service* s) { s->Reset(); });
return 0;
}
-int do_domainname(const std::vector<std::string>& args)
-{
+static int do_domainname(const std::vector<std::string>& args) {
return write_file("/proc/sys/kernel/domainname", args[1].c_str());
}
-int do_enable(const std::vector<std::string>& args)
-{
+static int do_enable(const std::vector<std::string>& args) {
Service* svc = ServiceManager::GetInstance().FindServiceByName(args[1]);
if (!svc) {
return -1;
@@ -199,7 +193,7 @@ int do_enable(const std::vector<std::string>& args)
return svc->Enable();
}
-int do_exec(const std::vector<std::string>& args) {
+static int do_exec(const std::vector<std::string>& args) {
Service* svc = ServiceManager::GetInstance().MakeExecOneshotService(args);
if (!svc) {
return -1;
@@ -211,23 +205,19 @@ int do_exec(const std::vector<std::string>& args) {
return 0;
}
-int do_export(const std::vector<std::string>& args)
-{
+static int do_export(const std::vector<std::string>& args) {
return add_environment(args[1].c_str(), args[2].c_str());
}
-int do_hostname(const std::vector<std::string>& args)
-{
+static int do_hostname(const std::vector<std::string>& args) {
return write_file("/proc/sys/kernel/hostname", args[1].c_str());
}
-int do_ifup(const std::vector<std::string>& args)
-{
+static int do_ifup(const std::vector<std::string>& args) {
return __ifupdown(args[1].c_str(), 1);
}
-int do_insmod(const std::vector<std::string>& args)
-{
+static int do_insmod(const std::vector<std::string>& args) {
std::string options;
if (args.size() > 2) {
@@ -241,8 +231,7 @@ int do_insmod(const std::vector<std::string>& args)
return insmod(args[1].c_str(), options.c_str());
}
-int do_mkdir(const std::vector<std::string>& args)
-{
+static int do_mkdir(const std::vector<std::string>& args) {
mode_t mode = 0755;
int ret;
@@ -310,8 +299,7 @@ static struct {
#define DATA_MNT_POINT "/data"
/* mount <type> <device> <path> <flags ...> <options> */
-int do_mount(const std::vector<std::string>& args)
-{
+static int do_mount(const std::vector<std::string>& args) {
char tmp[64];
const char *source, *target, *system;
const char *options = NULL;
@@ -411,8 +399,7 @@ exit_success:
}
-static int wipe_data_via_recovery()
-{
+static int wipe_data_via_recovery() {
mkdir("/cache/recovery", 0700);
int fd = open("/cache/recovery/command", O_RDWR|O_CREAT|O_TRUNC|O_CLOEXEC, 0600);
if (fd >= 0) {
@@ -427,16 +414,16 @@ static int wipe_data_via_recovery()
while (1) { pause(); } // never reached
}
-void import_late()
-{
+static void import_late() {
static const std::vector<std::string> init_directories = {
"/system/etc/init",
"/vendor/etc/init",
"/odm/etc/init"
};
+ Parser& parser = Parser::GetInstance();
for (const auto& dir : init_directories) {
- init_parse_config(dir.c_str());
+ parser.ParseConfig(dir.c_str());
}
}
@@ -444,17 +431,13 @@ void import_late()
* This function might request a reboot, in which case it will
* not return.
*/
-int do_mount_all(const std::vector<std::string>& args)
-{
+static int do_mount_all(const std::vector<std::string>& args) {
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
struct fstab *fstab;
- if (args.size() != 2) {
- return -1;
- }
const char* fstabfile = args[1].c_str();
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
@@ -535,8 +518,7 @@ int do_mount_all(const std::vector<std::string>& args)
return ret;
}
-int do_swapon_all(const std::vector<std::string>& args)
-{
+static int do_swapon_all(const std::vector<std::string>& args) {
struct fstab *fstab;
int ret;
@@ -547,16 +529,14 @@ int do_swapon_all(const std::vector<std::string>& args)
return ret;
}
-int do_setprop(const std::vector<std::string>& args)
-{
+static int do_setprop(const std::vector<std::string>& args) {
const char* name = args[1].c_str();
const char* value = args[2].c_str();
property_set(name, value);
return 0;
}
-int do_setrlimit(const std::vector<std::string>& args)
-{
+static int do_setrlimit(const std::vector<std::string>& args) {
struct rlimit limit;
int resource;
resource = std::stoi(args[1]);
@@ -565,8 +545,7 @@ int do_setrlimit(const std::vector<std::string>& args)
return setrlimit(resource, &limit);
}
-int do_start(const std::vector<std::string>& args)
-{
+static int do_start(const std::vector<std::string>& args) {
Service* svc = ServiceManager::GetInstance().FindServiceByName(args[1]);
if (!svc) {
ERROR("do_start: Service %s not found\n", args[1].c_str());
@@ -577,8 +556,7 @@ int do_start(const std::vector<std::string>& args)
return 0;
}
-int do_stop(const std::vector<std::string>& args)
-{
+static int do_stop(const std::vector<std::string>& args) {
Service* svc = ServiceManager::GetInstance().FindServiceByName(args[1]);
if (!svc) {
ERROR("do_stop: Service %s not found\n", args[1].c_str());
@@ -588,8 +566,7 @@ int do_stop(const std::vector<std::string>& args)
return 0;
}
-int do_restart(const std::vector<std::string>& args)
-{
+static int do_restart(const std::vector<std::string>& args) {
Service* svc = ServiceManager::GetInstance().FindServiceByName(args[1]);
if (!svc) {
ERROR("do_restart: Service %s not found\n", args[1].c_str());
@@ -599,8 +576,7 @@ int do_restart(const std::vector<std::string>& args)
return 0;
}
-int do_powerctl(const std::vector<std::string>& args)
-{
+static int do_powerctl(const std::vector<std::string>& args) {
const char* command = args[1].c_str();
int len = 0;
unsigned int cmd = 0;
@@ -636,34 +612,26 @@ int do_powerctl(const std::vector<std::string>& args)
callback_on_ro_remount);
}
-int do_trigger(const std::vector<std::string>& args)
-{
+static int do_trigger(const std::vector<std::string>& args) {
ActionManager::GetInstance().QueueEventTrigger(args[1]);
return 0;
}
-int do_symlink(const std::vector<std::string>& args)
-{
+static int do_symlink(const std::vector<std::string>& args) {
return symlink(args[1].c_str(), args[2].c_str());
}
-int do_rm(const std::vector<std::string>& args)
-{
+static int do_rm(const std::vector<std::string>& args) {
return unlink(args[1].c_str());
}
-int do_rmdir(const std::vector<std::string>& args)
-{
+static int do_rmdir(const std::vector<std::string>& args) {
return rmdir(args[1].c_str());
}
-int do_sysclktz(const std::vector<std::string>& args)
-{
+static int do_sysclktz(const std::vector<std::string>& args) {
struct timezone tz;
- if (args.size() != 2)
- return -1;
-
memset(&tz, 0, sizeof(tz));
tz.tz_minuteswest = std::stoi(args[1]);
if (settimeofday(NULL, &tz))
@@ -671,7 +639,7 @@ int do_sysclktz(const std::vector<std::string>& args)
return 0;
}
-int do_verity_load_state(const std::vector<std::string>& args) {
+static int do_verity_load_state(const std::vector<std::string>& args) {
int mode = -1;
int rc = fs_mgr_load_verity_state(&mode);
if (rc == 0 && mode == VERITY_MODE_LOGGING) {
@@ -680,24 +648,23 @@ int do_verity_load_state(const std::vector<std::string>& args) {
return rc;
}
-static void verity_update_property(fstab_rec *fstab, const char *mount_point, int mode, int status) {
+static void verity_update_property(fstab_rec *fstab, const char *mount_point,
+ int mode, int status) {
property_set(android::base::StringPrintf("partition.%s.verified", mount_point).c_str(),
android::base::StringPrintf("%d", mode).c_str());
}
-int do_verity_update_state(const std::vector<std::string>& args) {
+static int do_verity_update_state(const std::vector<std::string>& args) {
return fs_mgr_update_verity_state(verity_update_property);
}
-int do_write(const std::vector<std::string>& args)
-{
+static int do_write(const std::vector<std::string>& args) {
const char* path = args[1].c_str();
const char* value = args[2].c_str();
return write_file(path, value);
}
-int do_copy(const std::vector<std::string>& args)
-{
+static int do_copy(const std::vector<std::string>& args) {
char *buffer = NULL;
int rc = 0;
int fd1 = -1, fd2 = -1;
@@ -705,9 +672,6 @@ int do_copy(const std::vector<std::string>& args)
int brtw, brtr;
char *p;
- if (args.size() != 3)
- return -1;
-
if (stat(args[1].c_str(), &info) < 0)
return -1;
@@ -758,7 +722,7 @@ out:
return rc;
}
-int do_chown(const std::vector<std::string>& args) {
+static int do_chown(const std::vector<std::string>& args) {
/* GID is optional. */
if (args.size() == 3) {
if (lchown(args[2].c_str(), decode_uid(args[1].c_str()), -1) == -1)
@@ -786,7 +750,7 @@ static mode_t get_mode(const char *s) {
return mode;
}
-int do_chmod(const std::vector<std::string>& args) {
+static int do_chmod(const std::vector<std::string>& args) {
mode_t mode = get_mode(args[1].c_str());
if (fchmodat(AT_FDCWD, args[2].c_str(), mode, AT_SYMLINK_NOFOLLOW) < 0) {
return -errno;
@@ -794,7 +758,7 @@ int do_chmod(const std::vector<std::string>& args) {
return 0;
}
-int do_restorecon(const std::vector<std::string>& args) {
+static int do_restorecon(const std::vector<std::string>& args) {
int ret = 0;
for (auto it = std::next(args.begin()); it != args.end(); ++it) {
@@ -804,7 +768,7 @@ int do_restorecon(const std::vector<std::string>& args) {
return ret;
}
-int do_restorecon_recursive(const std::vector<std::string>& args) {
+static int do_restorecon_recursive(const std::vector<std::string>& args) {
int ret = 0;
for (auto it = std::next(args.begin()); it != args.end(); ++it) {
@@ -814,12 +778,7 @@ int do_restorecon_recursive(const std::vector<std::string>& args) {
return ret;
}
-int do_loglevel(const std::vector<std::string>& args) {
- if (args.size() != 2) {
- ERROR("loglevel: missing argument\n");
- return -EINVAL;
- }
-
+static int do_loglevel(const std::vector<std::string>& args) {
int log_level = std::stoi(args[1]);
if (log_level < KLOG_ERROR_LEVEL || log_level > KLOG_DEBUG_LEVEL) {
ERROR("loglevel: invalid log level'%d'\n", log_level);
@@ -829,24 +788,17 @@ int do_loglevel(const std::vector<std::string>& args) {
return 0;
}
-int do_load_persist_props(const std::vector<std::string>& args) {
- if (args.size() == 1) {
- load_persist_props();
- return 0;
- }
- return -1;
+static int do_load_persist_props(const std::vector<std::string>& args) {
+ load_persist_props();
+ return 0;
}
-int do_load_system_props(const std::vector<std::string>& args) {
- if (args.size() == 1) {
- load_system_props();
- return 0;
- }
- return -1;
+static int do_load_system_props(const std::vector<std::string>& args) {
+ load_system_props();
+ return 0;
}
-int do_wait(const std::vector<std::string>& args)
-{
+static int do_wait(const std::vector<std::string>& args) {
if (args.size() == 2) {
return wait_for_file(args[1].c_str(), COMMAND_RETRY_TIMEOUT);
} else if (args.size() == 3) {
@@ -858,8 +810,7 @@ int do_wait(const std::vector<std::string>& args)
/*
* Callback to make a directory from the ext4 code
*/
-static int do_installkeys_ensure_dir_exists(const char* dir)
-{
+static int do_installkeys_ensure_dir_exists(const char* dir) {
if (make_dir(dir, 0700) && errno != EEXIST) {
return -1;
}
@@ -872,11 +823,7 @@ static bool is_file_crypto() {
return value == "file";
}
-int do_installkey(const std::vector<std::string>& args)
-{
- if (args.size() != 2) {
- return -1;
- }
+static int do_installkey(const std::vector<std::string>& args) {
if (!is_file_crypto()) {
return 0;
}
@@ -884,13 +831,56 @@ int do_installkey(const std::vector<std::string>& args)
do_installkeys_ensure_dir_exists);
}
-int do_setusercryptopolicies(const std::vector<std::string>& args)
-{
- if (args.size() != 2) {
- return -1;
- }
+static int do_setusercryptopolicies(const std::vector<std::string>& args) {
if (!is_file_crypto()) {
return 0;
}
return e4crypt_set_user_crypto_policies(args[1].c_str());
}
+
+BuiltinFunctionMap::Map& BuiltinFunctionMap::map() const {
+ constexpr std::size_t kMax = std::numeric_limits<std::size_t>::max();
+ static const Map builtin_functions = {
+ {"bootchart_init", {0, 0, do_bootchart_init}},
+ {"chmod", {2, 2, do_chmod}},
+ {"chown", {2, 3, do_chown}},
+ {"class_reset", {1, 1, do_class_reset}},
+ {"class_start", {1, 1, do_class_start}},
+ {"class_stop", {1, 1, do_class_stop}},
+ {"copy", {2, 2, do_copy}},
+ {"domainname", {1, 1, do_domainname}},
+ {"enable", {1, 1, do_enable}},
+ {"exec", {1, kMax, do_exec}},
+ {"export", {2, 2, do_export}},
+ {"hostname", {1, 1, do_hostname}},
+ {"ifup", {1, 1, do_ifup}},
+ {"insmod", {1, kMax, do_insmod}},
+ {"installkey", {1, 1, do_installkey}},
+ {"load_persist_props", {0, 0, do_load_persist_props}},
+ {"load_system_props", {0, 0, do_load_system_props}},
+ {"loglevel", {1, 1, do_loglevel}},
+ {"mkdir", {1, 4, do_mkdir}},
+ {"mount_all", {1, 1, do_mount_all}},
+ {"mount", {3, kMax, do_mount}},
+ {"powerctl", {1, 1, do_powerctl}},
+ {"restart", {1, 1, do_restart}},
+ {"restorecon", {1, kMax, do_restorecon}},
+ {"restorecon_recursive", {1, kMax, do_restorecon_recursive}},
+ {"rm", {1, 1, do_rm}},
+ {"rmdir", {1, 1, do_rmdir}},
+ {"setprop", {2, 2, do_setprop}},
+ {"setrlimit", {3, 3, do_setrlimit}},
+ {"setusercryptopolicies", {1, 1, do_setusercryptopolicies}},
+ {"start", {1, 1, do_start}},
+ {"stop", {1, 1, do_stop}},
+ {"swapon_all", {1, 1, do_swapon_all}},
+ {"symlink", {2, 2, do_symlink}},
+ {"sysclktz", {1, 1, do_sysclktz}},
+ {"trigger", {1, 1, do_trigger}},
+ {"verity_load_state", {0, 0, do_verity_load_state}},
+ {"verity_update_state", {0, 0, do_verity_update_state}},
+ {"wait", {1, 2, do_wait}},
+ {"write", {2, 2, do_write}},
+ };
+ return builtin_functions;
+}
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