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#include "driver/driver.h"
#include <camellia.h>
#include <camellia/compat.h>
#include <camellia/flags.h>
#include <camellia/fs/misc.h>
#include <camellia/intr.h>
#include <camellia/syscalls.h>
#include <err.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
void redirect(const char *exe, const char *out, const char *in) {
if (!fork()) {
static char buf[128];
snprintf(buf, sizeof buf, "sh >%s", out);
setproctitle(buf);
if (!freopen(out, "a+", stderr)) {
fprintf(stdout, "couldn't open %s\n", out);
exit(1);
}
if (!freopen(out, "a+", stdout))
err(1, "couldn't open %s", out);
if (!freopen(in, "r", stdin))
err(1, "couldn't open %s", in);
// TODO move to /dev/term/
MOUNT_AT("/") {
fs_dirinject2((const char*[]){ "/term/", NULL });
}
MOUNT_AT("/term/") {
termcook();
}
int fd = camellia_open("/term/stdin", OPEN_READ);
if (fd < 0) {
err(1, "open /term/stdin");
}
_sys_dup(fd, 0, 0);
close(fd);
for (;;) {
int pid = fork();
if (pid == 0) {
// TODO shadow over /term/tokill, as it's an easy thing to miss when sandboxing
const char *argv[] = {exe, NULL};
execv(exe, (void*)argv);
fprintf(stderr, "init: couldn't start %s\n", exe);
exit(1);
} else {
int len, fd;
fd = camellia_open("/term/tokill", OPEN_WRITE);
if (fd < 0) {
_sys_intr("kill", 4);
err(1, "open /term/tokill");
}
len = snprintf(buf, sizeof buf, "/proc/%d/intrdown", pid);
_sys_write(fd, buf, len, 0, 0);
len = snprintf(buf, sizeof buf, "/proc/%d/intr", pid);
_sys_write(fd, buf, len, 0, 0);
close(fd);
_sys_await();
_sys_sleep(1000);
}
}
}
}
void shutdown(void) {
printf("[init] intr\n");
_sys_intr(NULL, 0);
_sys_sleep(1000);
printf("[init] filicide\n");
_sys_filicide();
printf("[init] goodbye\n");
exit(0);
}
int main(void) {
freopen("/dev/com1", "a+", stdout);
freopen("/dev/com1", "a+", stderr);
MOUNT_AT("/") {
fs_dirinject2((const char*[]){
"/usr/",
"/bin/",
"/tmp/",
"/net/",
NULL
});
}
MOUNT_AT("/dev/keyboard") {
MOUNT_AT("/") { fs_whitelist((const char*[]){"/dev/ps2/kb", NULL}); }
ps2_drv();
}
MOUNT_AT("/usr/") {
fs_union((const char*[]){
"/init/usr/",
NULL
});
}
MOUNT_AT("/bin/") {
fs_union((const char*[]){
"/init/bin/amd64/",
"/init/bin/sh/",
"/init/usr/bin/",
"/init/usr/local/bin/",
NULL
});
}
MOUNT_AT("/tmp/") {
const char *allow[] = {"/bin/tmpfs", NULL};
const char *argv[] = {"/bin/tmpfs", NULL};
MOUNT_AT("/") { fs_whitelist(allow); }
execv(argv[0], (void*)argv);
}
MOUNT_AT("/dev/vtty") {
const char *allow[] = {"/bin/vterm", "/dev/video/", "/dev/keyboard", "/init/usr/share/fonts/", NULL};
const char *argv[] = {"/bin/vterm", NULL};
MOUNT_AT("/") { fs_whitelist(allow); }
execv(argv[0], (void*)argv);
}
MOUNT_AT("/net/") {
const char *allow[] = {"/bin/netstack", "/dev/eth/", NULL};
const char *argv[] = {"/bin/netstack", "/dev/eth/net", "192.168.0.11", "192.168.0.2", NULL};
MOUNT_AT("/") { fs_whitelist(allow); }
execv(argv[0], (void*)argv);
}
MOUNT_AT("/dev/ntp") {
const char *allow[] = {"/bin/ntpfs", "/net/connect/", NULL};
const char *argv[] = {"/bin/ntpfs", "/net/connect/0/10.69.0.1/udp/123", NULL};
MOUNT_AT("/") { fs_whitelist(allow); }
_sys_sleep(1000); /* hack, waits until the network goes up */
execv(argv[0], (void*)argv);
}
if (!fork()) {
redirect("/bin/shell", "/dev/com1", "/dev/com1");
redirect("/bin/shell", "/dev/vtty", "/dev/keyboard");
exit(1);
}
intr_set(shutdown);
for (;;) {
// TODO sleep(-1) to sleep forever
// TODO maybe init should collect dead children?
_sys_sleep(86400000);
}
}
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