Build init as C++.

This is just the minimal change to keep it building.

Change-Id: I245c5b8413a1db114576c81462eb5737f5ffcef2
diff --git a/init/builtins.cpp b/init/builtins.cpp
new file mode 100644
index 0000000..6c4d9c4
--- /dev/null
+++ b/init/builtins.cpp
@@ -0,0 +1,951 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <string.h>
+#include <stdio.h>
+#include <linux/kd.h>
+#include <errno.h>
+#include <sys/socket.h>
+#include <netinet/in.h>
+#include <linux/if.h>
+#include <arpa/inet.h>
+#include <stdlib.h>
+#include <sys/mount.h>
+#include <sys/resource.h>
+#include <sys/time.h>
+#include <sys/wait.h>
+#include <linux/loop.h>
+#include <cutils/partition_utils.h>
+#include <cutils/android_reboot.h>
+#include <fs_mgr.h>
+
+#include <selinux/selinux.h>
+#include <selinux/label.h>
+
+#include "init.h"
+#include "keywords.h"
+#include "property_service.h"
+#include "devices.h"
+#include "init_parser.h"
+#include "util.h"
+#include "log.h"
+
+#include <private/android_filesystem_config.h>
+
+#define chmod DO_NOT_USE_CHMOD_USE_FCHMODAT_SYMLINK_NOFOLLOW
+
+int add_environment(const char *name, const char *value);
+
+// System call provided by bionic but not in any header file.
+extern "C" int init_module(void *, unsigned long, const char *);
+
+static int write_file(const char *path, const char *value)
+{
+    int fd, ret, len;
+
+    fd = open(path, O_WRONLY|O_CREAT|O_NOFOLLOW|O_CLOEXEC, 0600);
+
+    if (fd < 0)
+        return -errno;
+
+    len = strlen(value);
+
+    do {
+        ret = write(fd, value, len);
+    } while (ret < 0 && errno == EINTR);
+
+    close(fd);
+    if (ret < 0) {
+        return -errno;
+    } else {
+        return 0;
+    }
+}
+
+static int insmod(const char *filename, char *options)
+{
+    void *module;
+    unsigned size;
+    int ret;
+
+    module = read_file(filename, &size);
+    if (!module)
+        return -1;
+
+    ret = init_module(module, size, options);
+
+    free(module);
+
+    return ret;
+}
+
+static int setkey(struct kbentry *kbe)
+{
+    int fd, ret;
+
+    fd = open("/dev/tty0", O_RDWR | O_SYNC | O_CLOEXEC);
+    if (fd < 0)
+        return -1;
+
+    ret = ioctl(fd, KDSKBENT, kbe);
+
+    close(fd);
+    return ret;
+}
+
+static int __ifupdown(const char *interface, int up)
+{
+    struct ifreq ifr;
+    int s, ret;
+
+    strlcpy(ifr.ifr_name, interface, IFNAMSIZ);
+
+    s = socket(AF_INET, SOCK_DGRAM, 0);
+    if (s < 0)
+        return -1;
+
+    ret = ioctl(s, SIOCGIFFLAGS, &ifr);
+    if (ret < 0) {
+        goto done;
+    }
+
+    if (up)
+        ifr.ifr_flags |= IFF_UP;
+    else
+        ifr.ifr_flags &= ~IFF_UP;
+
+    ret = ioctl(s, SIOCSIFFLAGS, &ifr);
+    
+done:
+    close(s);
+    return ret;
+}
+
+static void service_start_if_not_disabled(struct service *svc)
+{
+    if (!(svc->flags & SVC_DISABLED)) {
+        service_start(svc, NULL);
+    } else {
+        svc->flags |= SVC_DISABLED_START;
+    }
+}
+
+int do_chdir(int nargs, char **args)
+{
+    chdir(args[1]);
+    return 0;
+}
+
+int do_chroot(int nargs, char **args)
+{
+    chroot(args[1]);
+    return 0;
+}
+
+int do_class_start(int nargs, char **args)
+{
+        /* Starting a class does not start services
+         * which are explicitly disabled.  They must
+         * be started individually.
+         */
+    service_for_each_class(args[1], service_start_if_not_disabled);
+    return 0;
+}
+
+int do_class_stop(int nargs, char **args)
+{
+    service_for_each_class(args[1], service_stop);
+    return 0;
+}
+
+int do_class_reset(int nargs, char **args)
+{
+    service_for_each_class(args[1], service_reset);
+    return 0;
+}
+
+int do_domainname(int nargs, char **args)
+{
+    return write_file("/proc/sys/kernel/domainname", args[1]);
+}
+
+int do_enable(int nargs, char **args)
+{
+    struct service *svc;
+    svc = service_find_by_name(args[1]);
+    if (svc) {
+        svc->flags &= ~(SVC_DISABLED | SVC_RC_DISABLED);
+        if (svc->flags & SVC_DISABLED_START) {
+            service_start(svc, NULL);
+        }
+    } else {
+        return -1;
+    }
+    return 0;
+}
+
+int do_exec(int nargs, char **args)
+{
+    return -1;
+}
+
+int do_execonce(int nargs, char **args)
+{
+    pid_t child;
+    int child_status = 0;
+    static int already_done;
+
+    if (already_done) {
+      return -1;
+    }
+    already_done = 1;
+    if (!(child = fork())) {
+        /*
+         * Child process.
+         */
+        zap_stdio();
+        char *exec_args[100];
+        size_t num_process_args = nargs;
+
+        memset(exec_args, 0, sizeof(exec_args));
+        if (num_process_args > ARRAY_SIZE(exec_args) - 1) {
+            ERROR("exec called with %zu args, limit is %zu", num_process_args,
+                  ARRAY_SIZE(exec_args) - 1);
+            _exit(1);
+        }
+        for (size_t i = 1; i < num_process_args; i++)
+            exec_args[i - 1] = args[i];
+
+        if (execv(exec_args[0], exec_args) == -1) {
+            ERROR("Failed to execv '%s' (%s)", exec_args[0], strerror(errno));
+            _exit(1);
+        }
+        ERROR("Returned from execv()!");
+        _exit(1);
+    }
+
+    /*
+     * Parent process.
+     */
+    if (child == -1) {
+        ERROR("Fork failed\n");
+        return -1;
+    }
+
+    if (TEMP_FAILURE_RETRY(waitpid(child, &child_status, 0)) == -1) {
+        ERROR("waitpid(): failed (%s)\n", strerror(errno));
+        return -1;
+    }
+
+    if (WIFSIGNALED(child_status)) {
+        INFO("Child exited due to signal %d\n", WTERMSIG(child_status));
+        return -1;
+    } else if (WIFEXITED(child_status)) {
+        INFO("Child exited normally (exit code %d)\n", WEXITSTATUS(child_status));
+        return WEXITSTATUS(child_status);
+    }
+
+    ERROR("Abnormal child process exit\n");
+
+    return -1;
+}
+
+int do_export(int nargs, char **args)
+{
+    return add_environment(args[1], args[2]);
+}
+
+int do_hostname(int nargs, char **args)
+{
+    return write_file("/proc/sys/kernel/hostname", args[1]);
+}
+
+int do_ifup(int nargs, char **args)
+{
+    return __ifupdown(args[1], 1);
+}
+
+
+static int do_insmod_inner(int nargs, char **args, int opt_len)
+{
+    char options[opt_len + 1];
+    int i;
+
+    options[0] = '\0';
+    if (nargs > 2) {
+        strcpy(options, args[2]);
+        for (i = 3; i < nargs; ++i) {
+            strcat(options, " ");
+            strcat(options, args[i]);
+        }
+    }
+
+    return insmod(args[1], options);
+}
+
+int do_insmod(int nargs, char **args)
+{
+    int i;
+    int size = 0;
+
+    if (nargs > 2) {
+        for (i = 2; i < nargs; ++i)
+            size += strlen(args[i]) + 1;
+    }
+
+    return do_insmod_inner(nargs, args, size);
+}
+
+int do_mkdir(int nargs, char **args)
+{
+    mode_t mode = 0755;
+    int ret;
+
+    /* mkdir <path> [mode] [owner] [group] */
+
+    if (nargs >= 3) {
+        mode = strtoul(args[2], 0, 8);
+    }
+
+    ret = make_dir(args[1], mode);
+    /* chmod in case the directory already exists */
+    if (ret == -1 && errno == EEXIST) {
+        ret = fchmodat(AT_FDCWD, args[1], mode, AT_SYMLINK_NOFOLLOW);
+    }
+    if (ret == -1) {
+        return -errno;
+    }
+
+    if (nargs >= 4) {
+        uid_t uid = decode_uid(args[3]);
+        gid_t gid = -1;
+
+        if (nargs == 5) {
+            gid = decode_uid(args[4]);
+        }
+
+        if (lchown(args[1], uid, gid) == -1) {
+            return -errno;
+        }
+
+        /* chown may have cleared S_ISUID and S_ISGID, chmod again */
+        if (mode & (S_ISUID | S_ISGID)) {
+            ret = fchmodat(AT_FDCWD, args[1], mode, AT_SYMLINK_NOFOLLOW);
+            if (ret == -1) {
+                return -errno;
+            }
+        }
+    }
+
+    return 0;
+}
+
+static struct {
+    const char *name;
+    unsigned flag;
+} mount_flags[] = {
+    { "noatime",    MS_NOATIME },
+    { "noexec",     MS_NOEXEC },
+    { "nosuid",     MS_NOSUID },
+    { "nodev",      MS_NODEV },
+    { "nodiratime", MS_NODIRATIME },
+    { "ro",         MS_RDONLY },
+    { "rw",         0 },
+    { "remount",    MS_REMOUNT },
+    { "bind",       MS_BIND },
+    { "rec",        MS_REC },
+    { "unbindable", MS_UNBINDABLE },
+    { "private",    MS_PRIVATE },
+    { "slave",      MS_SLAVE },
+    { "shared",     MS_SHARED },
+    { "defaults",   0 },
+    { 0,            0 },
+};
+
+#define DATA_MNT_POINT "/data"
+
+/* mount <type> <device> <path> <flags ...> <options> */
+int do_mount(int nargs, char **args)
+{
+    char tmp[64];
+    char *source, *target, *system;
+    char *options = NULL;
+    unsigned flags = 0;
+    int n, i;
+    int wait = 0;
+
+    for (n = 4; n < nargs; n++) {
+        for (i = 0; mount_flags[i].name; i++) {
+            if (!strcmp(args[n], mount_flags[i].name)) {
+                flags |= mount_flags[i].flag;
+                break;
+            }
+        }
+
+        if (!mount_flags[i].name) {
+            if (!strcmp(args[n], "wait"))
+                wait = 1;
+            /* if our last argument isn't a flag, wolf it up as an option string */
+            else if (n + 1 == nargs)
+                options = args[n];
+        }
+    }
+
+    system = args[1];
+    source = args[2];
+    target = args[3];
+
+    if (!strncmp(source, "mtd@", 4)) {
+        n = mtd_name_to_number(source + 4);
+        if (n < 0) {
+            return -1;
+        }
+
+        sprintf(tmp, "/dev/block/mtdblock%d", n);
+
+        if (wait)
+            wait_for_file(tmp, COMMAND_RETRY_TIMEOUT);
+        if (mount(tmp, target, system, flags, options) < 0) {
+            return -1;
+        }
+
+        goto exit_success;
+    } else if (!strncmp(source, "loop@", 5)) {
+        int mode, loop, fd;
+        struct loop_info info;
+
+        mode = (flags & MS_RDONLY) ? O_RDONLY : O_RDWR;
+        fd = open(source + 5, mode | O_CLOEXEC);
+        if (fd < 0) {
+            return -1;
+        }
+
+        for (n = 0; ; n++) {
+            sprintf(tmp, "/dev/block/loop%d", n);
+            loop = open(tmp, mode | O_CLOEXEC);
+            if (loop < 0) {
+                close(fd);
+                return -1;
+            }
+
+            /* if it is a blank loop device */
+            if (ioctl(loop, LOOP_GET_STATUS, &info) < 0 && errno == ENXIO) {
+                /* if it becomes our loop device */
+                if (ioctl(loop, LOOP_SET_FD, fd) >= 0) {
+                    close(fd);
+
+                    if (mount(tmp, target, system, flags, options) < 0) {
+                        ioctl(loop, LOOP_CLR_FD, 0);
+                        close(loop);
+                        return -1;
+                    }
+
+                    close(loop);
+                    goto exit_success;
+                }
+            }
+
+            close(loop);
+        }
+
+        close(fd);
+        ERROR("out of loopback devices");
+        return -1;
+    } else {
+        if (wait)
+            wait_for_file(source, COMMAND_RETRY_TIMEOUT);
+        if (mount(source, target, system, flags, options) < 0) {
+            return -1;
+        }
+
+    }
+
+exit_success:
+    return 0;
+
+}
+
+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) {
+        write(fd, "--wipe_data\n", strlen("--wipe_data\n") + 1);
+        write(fd, "--reason=wipe_data_via_recovery\n", strlen("--reason=wipe_data_via_recovery\n") + 1);
+        close(fd);
+    } else {
+        ERROR("could not open /cache/recovery/command\n");
+        return -1;
+    }
+    android_reboot(ANDROID_RB_RESTART2, 0, "recovery");
+    while (1) { pause(); }  // never reached
+}
+
+
+/*
+ * This function might request a reboot, in which case it will
+ * not return.
+ */
+int do_mount_all(int nargs, char **args)
+{
+    pid_t pid;
+    int ret = -1;
+    int child_ret = -1;
+    int status;
+    struct fstab *fstab;
+
+    if (nargs != 2) {
+        return -1;
+    }
+
+    /*
+     * Call fs_mgr_mount_all() to mount all filesystems.  We fork(2) and
+     * do the call in the child to provide protection to the main init
+     * process if anything goes wrong (crash or memory leak), and wait for
+     * the child to finish in the parent.
+     */
+    pid = fork();
+    if (pid > 0) {
+        /* Parent.  Wait for the child to return */
+        int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
+        if (wp_ret < 0) {
+            /* Unexpected error code. We will continue anyway. */
+            NOTICE("waitpid failed rc=%d, errno=%d\n", wp_ret, errno);
+        }
+
+        if (WIFEXITED(status)) {
+            ret = WEXITSTATUS(status);
+        } else {
+            ret = -1;
+        }
+    } else if (pid == 0) {
+        /* child, call fs_mgr_mount_all() */
+        klog_set_level(6);  /* So we can see what fs_mgr_mount_all() does */
+        fstab = fs_mgr_read_fstab(args[1]);
+        child_ret = fs_mgr_mount_all(fstab);
+        fs_mgr_free_fstab(fstab);
+        if (child_ret == -1) {
+            ERROR("fs_mgr_mount_all returned an error\n");
+        }
+        _exit(child_ret);
+    } else {
+        /* fork failed, return an error */
+        return -1;
+    }
+
+    if (ret == FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION) {
+        property_set("vold.decrypt", "trigger_encryption");
+    } else if (ret == FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED) {
+        property_set("ro.crypto.state", "encrypted");
+        property_set("vold.decrypt", "trigger_default_encryption");
+    } else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
+        property_set("ro.crypto.state", "unencrypted");
+        /* If fs_mgr determined this is an unencrypted device, then trigger
+         * that action.
+         */
+        action_for_each_trigger("nonencrypted", action_add_queue_tail);
+    } else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
+        /* Setup a wipe via recovery, and reboot into recovery */
+        ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
+        ret = wipe_data_via_recovery();
+        /* If reboot worked, there is no return. */
+    } else if (ret > 0) {
+        ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
+    }
+    /* else ... < 0: error */
+
+    return ret;
+}
+
+int do_swapon_all(int nargs, char **args)
+{
+    struct fstab *fstab;
+    int ret;
+
+    fstab = fs_mgr_read_fstab(args[1]);
+    ret = fs_mgr_swapon_all(fstab);
+    fs_mgr_free_fstab(fstab);
+
+    return ret;
+}
+
+int do_setcon(int nargs, char **args) {
+    if (is_selinux_enabled() <= 0)
+        return 0;
+    if (setcon(args[1]) < 0) {
+        return -errno;
+    }
+    return 0;
+}
+
+int do_setenforce(int nargs, char **args) {
+    if (is_selinux_enabled() <= 0)
+        return 0;
+    if (security_setenforce(atoi(args[1])) < 0) {
+        return -errno;
+    }
+    return 0;
+}
+
+int do_setkey(int nargs, char **args)
+{
+    struct kbentry kbe;
+    kbe.kb_table = strtoul(args[1], 0, 0);
+    kbe.kb_index = strtoul(args[2], 0, 0);
+    kbe.kb_value = strtoul(args[3], 0, 0);
+    return setkey(&kbe);
+}
+
+int do_setprop(int nargs, char **args)
+{
+    const char *name = args[1];
+    const char *value = args[2];
+    char prop_val[PROP_VALUE_MAX];
+    int ret;
+
+    ret = expand_props(prop_val, value, sizeof(prop_val));
+    if (ret) {
+        ERROR("cannot expand '%s' while assigning to '%s'\n", value, name);
+        return -EINVAL;
+    }
+    property_set(name, prop_val);
+    return 0;
+}
+
+int do_setrlimit(int nargs, char **args)
+{
+    struct rlimit limit;
+    int resource;
+    resource = atoi(args[1]);
+    limit.rlim_cur = atoi(args[2]);
+    limit.rlim_max = atoi(args[3]);
+    return setrlimit(resource, &limit);
+}
+
+int do_start(int nargs, char **args)
+{
+    struct service *svc;
+    svc = service_find_by_name(args[1]);
+    if (svc) {
+        service_start(svc, NULL);
+    }
+    return 0;
+}
+
+int do_stop(int nargs, char **args)
+{
+    struct service *svc;
+    svc = service_find_by_name(args[1]);
+    if (svc) {
+        service_stop(svc);
+    }
+    return 0;
+}
+
+int do_restart(int nargs, char **args)
+{
+    struct service *svc;
+    svc = service_find_by_name(args[1]);
+    if (svc) {
+        service_restart(svc);
+    }
+    return 0;
+}
+
+int do_powerctl(int nargs, char **args)
+{
+    char command[PROP_VALUE_MAX];
+    int res;
+    int len = 0;
+    int cmd = 0;
+    const char *reboot_target;
+
+    res = expand_props(command, args[1], sizeof(command));
+    if (res) {
+        ERROR("powerctl: cannot expand '%s'\n", args[1]);
+        return -EINVAL;
+    }
+
+    if (strncmp(command, "shutdown", 8) == 0) {
+        cmd = ANDROID_RB_POWEROFF;
+        len = 8;
+    } else if (strncmp(command, "reboot", 6) == 0) {
+        cmd = ANDROID_RB_RESTART2;
+        len = 6;
+    } else {
+        ERROR("powerctl: unrecognized command '%s'\n", command);
+        return -EINVAL;
+    }
+
+    if (command[len] == ',') {
+        reboot_target = &command[len + 1];
+    } else if (command[len] == '\0') {
+        reboot_target = "";
+    } else {
+        ERROR("powerctl: unrecognized reboot target '%s'\n", &command[len]);
+        return -EINVAL;
+    }
+
+    return android_reboot(cmd, 0, reboot_target);
+}
+
+int do_trigger(int nargs, char **args)
+{
+    action_for_each_trigger(args[1], action_add_queue_tail);
+    return 0;
+}
+
+int do_symlink(int nargs, char **args)
+{
+    return symlink(args[1], args[2]);
+}
+
+int do_rm(int nargs, char **args)
+{
+    return unlink(args[1]);
+}
+
+int do_rmdir(int nargs, char **args)
+{
+    return rmdir(args[1]);
+}
+
+int do_sysclktz(int nargs, char **args)
+{
+    struct timezone tz;
+
+    if (nargs != 2)
+        return -1;
+
+    memset(&tz, 0, sizeof(tz));
+    tz.tz_minuteswest = atoi(args[1]);   
+    if (settimeofday(NULL, &tz))
+        return -1;
+    return 0;
+}
+
+int do_write(int nargs, char **args)
+{
+    const char *path = args[1];
+    const char *value = args[2];
+    char prop_val[PROP_VALUE_MAX];
+    int ret;
+
+    ret = expand_props(prop_val, value, sizeof(prop_val));
+    if (ret) {
+        ERROR("cannot expand '%s' while writing to '%s'\n", value, path);
+        return -EINVAL;
+    }
+    return write_file(path, prop_val);
+}
+
+int do_copy(int nargs, char **args)
+{
+    char *buffer = NULL;
+    int rc = 0;
+    int fd1 = -1, fd2 = -1;
+    struct stat info;
+    int brtw, brtr;
+    char *p;
+
+    if (nargs != 3)
+        return -1;
+
+    if (stat(args[1], &info) < 0) 
+        return -1;
+
+    if ((fd1 = open(args[1], O_RDONLY|O_CLOEXEC)) < 0)
+        goto out_err;
+
+    if ((fd2 = open(args[2], O_WRONLY|O_CREAT|O_TRUNC|O_CLOEXEC, 0660)) < 0)
+        goto out_err;
+
+    if (!(buffer = (char*) malloc(info.st_size)))
+        goto out_err;
+
+    p = buffer;
+    brtr = info.st_size;
+    while(brtr) {
+        rc = read(fd1, p, brtr);
+        if (rc < 0)
+            goto out_err;
+        if (rc == 0)
+            break;
+        p += rc;
+        brtr -= rc;
+    }
+
+    p = buffer;
+    brtw = info.st_size;
+    while(brtw) {
+        rc = write(fd2, p, brtw);
+        if (rc < 0)
+            goto out_err;
+        if (rc == 0)
+            break;
+        p += rc;
+        brtw -= rc;
+    }
+
+    rc = 0;
+    goto out;
+out_err:
+    rc = -1;
+out:
+    if (buffer)
+        free(buffer);
+    if (fd1 >= 0)
+        close(fd1);
+    if (fd2 >= 0)
+        close(fd2);
+    return rc;
+}
+
+int do_chown(int nargs, char **args) {
+    /* GID is optional. */
+    if (nargs == 3) {
+        if (lchown(args[2], decode_uid(args[1]), -1) == -1)
+            return -errno;
+    } else if (nargs == 4) {
+        if (lchown(args[3], decode_uid(args[1]), decode_uid(args[2])) == -1)
+            return -errno;
+    } else {
+        return -1;
+    }
+    return 0;
+}
+
+static mode_t get_mode(const char *s) {
+    mode_t mode = 0;
+    while (*s) {
+        if (*s >= '0' && *s <= '7') {
+            mode = (mode<<3) | (*s-'0');
+        } else {
+            return -1;
+        }
+        s++;
+    }
+    return mode;
+}
+
+int do_chmod(int nargs, char **args) {
+    mode_t mode = get_mode(args[1]);
+    if (fchmodat(AT_FDCWD, args[2], mode, AT_SYMLINK_NOFOLLOW) < 0) {
+        return -errno;
+    }
+    return 0;
+}
+
+int do_restorecon(int nargs, char **args) {
+    int i;
+    int ret = 0;
+
+    for (i = 1; i < nargs; i++) {
+        if (restorecon(args[i]) < 0)
+            ret = -errno;
+    }
+    return ret;
+}
+
+int do_restorecon_recursive(int nargs, char **args) {
+    int i;
+    int ret = 0;
+
+    for (i = 1; i < nargs; i++) {
+        if (restorecon_recursive(args[i]) < 0)
+            ret = -errno;
+    }
+    return ret;
+}
+
+int do_setsebool(int nargs, char **args) {
+    const char *name = args[1];
+    const char *value = args[2];
+    SELboolean b;
+    int ret;
+
+    if (is_selinux_enabled() <= 0)
+        return 0;
+
+    b.name = name;
+    if (!strcmp(value, "1") || !strcasecmp(value, "true") || !strcasecmp(value, "on"))
+        b.value = 1;
+    else if (!strcmp(value, "0") || !strcasecmp(value, "false") || !strcasecmp(value, "off"))
+        b.value = 0;
+    else {
+        ERROR("setsebool: invalid value %s\n", value);
+        return -EINVAL;
+    }
+
+    if (security_set_boolean_list(1, &b, 0) < 0) {
+        ret = -errno;
+        ERROR("setsebool: could not set %s to %s\n", name, value);
+        return ret;
+    }
+
+    return 0;
+}
+
+int do_loglevel(int nargs, char **args) {
+    int log_level;
+    char log_level_str[PROP_VALUE_MAX] = "";
+    if (nargs != 2) {
+        ERROR("loglevel: missing argument\n");
+        return -EINVAL;
+    }
+
+    if (expand_props(log_level_str, args[1], sizeof(log_level_str))) {
+        ERROR("loglevel: cannot expand '%s'\n", args[1]);
+        return -EINVAL;
+    }
+    log_level = atoi(log_level_str);
+    if (log_level < KLOG_ERROR_LEVEL || log_level > KLOG_DEBUG_LEVEL) {
+        ERROR("loglevel: invalid log level'%d'\n", log_level);
+        return -EINVAL;
+    }
+    klog_set_level(log_level);
+    return 0;
+}
+
+int do_load_persist_props(int nargs, char **args) {
+    if (nargs == 1) {
+        load_persist_props();
+        return 0;
+    }
+    return -1;
+}
+
+int do_load_all_props(int nargs, char **args) {
+    if (nargs == 1) {
+        load_all_props();
+        return 0;
+    }
+    return -1;
+}
+
+int do_wait(int nargs, char **args)
+{
+    if (nargs == 2) {
+        return wait_for_file(args[1], COMMAND_RETRY_TIMEOUT);
+    } else if (nargs == 3) {
+        return wait_for_file(args[1], atoi(args[2]));
+    } else
+        return -1;
+}