diff options
Diffstat (limited to 'initd/early.c')
-rw-r--r-- | initd/early.c | 106 |
1 files changed, 0 insertions, 106 deletions
diff --git a/initd/early.c b/initd/early.c deleted file mode 100644 index e87774f..0000000 --- a/initd/early.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2013 Felix Fietkau <nbd@openwrt.org> - * Copyright (C) 2013 John Crispin <blogic@openwrt.org> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU Lesser General Public License version 2.1 - * as published by the Free Software Foundation - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - */ - -#include <sys/mount.h> -#include <sys/types.h> -#include <sys/stat.h> - -#include <stdio.h> -#include <fcntl.h> -#include <unistd.h> -#include <stdlib.h> - -#include "init.h" -#include "../libc-compat.h" - -static void -early_dev(void) -{ - mkdev("*", 0600); - mknod("/dev/null", 0666, makedev(1, 3)); -} - -static void -early_console(const char *dev) -{ - struct stat s; - int dd; - - if (stat(dev, &s)) { - ERROR("Failed to stat %s\n", dev); - return; - } - - dd = open(dev, O_RDWR); - if (dd < 0) - dd = open("/dev/null", O_RDWR); - - dup2(dd, STDIN_FILENO); - dup2(dd, STDOUT_FILENO); - dup2(dd, STDERR_FILENO); - - if (dd != STDIN_FILENO && - dd != STDOUT_FILENO && - dd != STDERR_FILENO) - close(dd); - - fcntl(STDERR_FILENO, F_SETFL, fcntl(STDERR_FILENO, F_GETFL) | O_NONBLOCK); -} - -static void -early_mounts(void) -{ - unsigned int oldumask = umask(0); - - mount("proc", "/proc", "proc", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0); - mount("sysfs", "/sys", "sysfs", MS_NOATIME | MS_NODEV | MS_NOEXEC | MS_NOSUID, 0); - mount("cgroup", "/sys/fs/cgroup", "cgroup", MS_NODEV | MS_NOEXEC | MS_NOSUID, 0); - mount("tmpfs", "/dev", "tmpfs", MS_NOATIME | MS_NOSUID, "mode=0755,size=512K"); - ignore(symlink("/tmp/shm", "/dev/shm")); - mkdir("/dev/pts", 0755); - mount("devpts", "/dev/pts", "devpts", MS_NOATIME | MS_NOEXEC | MS_NOSUID, "mode=600"); - early_dev(); - - early_console("/dev/console"); - if (mount_zram_on_tmp()) { - mount("tmpfs", "/tmp", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, 0); - mkdir("/tmp/shm", 01777); - } else { - mkdir("/tmp/shm", 01777); - mount("tmpfs", "/tmp/shm", "tmpfs", MS_NOSUID | MS_NODEV | MS_NOATIME, - "mode=01777"); - } - mkdir("/tmp/run", 0777); - mkdir("/tmp/lock", 0777); - mkdir("/tmp/state", 0777); - umask(oldumask); -} - -static void -early_env(void) -{ - setenv("PATH", "/bin:/sbin:/usr/bin:/usr/sbin", 1); -} - -void -early(void) -{ - if (getpid() != 1) - return; - - early_mounts(); - early_env(); - - LOG("Console is alive\n"); -} |