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#include "driver/driver.h"
#include <camellia/compat.h>
#include <camellia/flags.h>
#include <camellia/syscalls.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include <unistd.h>
#include <camellia/fs/misc.h>
#define die(fmt, ...) do { fprintf(stderr, "init: " fmt, __VA_ARGS__); exit(1); } while (0)
static char title[128];
void redirect(const char *exe, const char *out, const char *in) {
if (!fork()) {
snprintf(title, sizeof title, "sh >%s", out);
setproctitle(title);
if (!freopen(out, "a+", stderr)) {
fprintf(stdout, "couldn't open %s\n", out);
exit(1);
}
if (!freopen(out, "a+", stdout))
die("couldn't open %s\n", out);
if (!freopen(in, "r", stdin))
die(" couldn't open %s\n", in);
for (;;) {
if (!fork()) {
const char *argv[] = {exe, NULL};
termcook();
execv(exe, (void*)argv);
fprintf(stderr, "init: couldn't start %s\n", exe);
exit(1);
}
_sys_await();
_sys_intr();
_sys_sleep(1000);
}
}
}
int main(void) {
hid_t killswitch_pipe[2];
freopen("/kdev/com1", "a+", stdout);
freopen("/kdev/com1", "a+", stderr);
MOUNT_AT("/") {
fs_dirinject2((const char*[]){
"/keyboard/",
"/usr/",
"/bin/",
"/Users/",
"/tmp/",
"/vtty",
"/net/",
"/initctl",
NULL
});
}
MOUNT_AT("/keyboard") {
MOUNT_AT("/") { fs_whitelist((const char*[]){"/kdev/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("/Users/") {
MOUNT_AT("/tmp/") {
const char *argv[] = {"/bin/tmpfs", NULL};
execv(argv[0], (void*)argv);
}
// TODO a simple union isn't enough here
fs_union((const char*[]){
"/tmp/",
"/init/Users/",
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("/vtty") {
const char *allow[] = {"/bin/vterm", "/kdev/video/", "/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", "/kdev/eth", NULL};
const char *argv[] = {"/bin/netstack", "/kdev/eth", "192.168.0.11", "192.168.0.2", NULL};
MOUNT_AT("/") { fs_whitelist(allow); }
execv(argv[0], (void*)argv);
}
if (_sys_pipe(killswitch_pipe, 0) < 0) {
printf("couldn't create the killswitch pipe, quitting...\n");
return 1;
}
MOUNT_AT("/initctl") {
close(killswitch_pipe[0]);
initctl_drv(killswitch_pipe[1]);
}
close(killswitch_pipe[1]);
if (!fork()) {
// TODO close on exec
close(killswitch_pipe[0]);
redirect("/bin/shell", "/kdev/com1", "/kdev/com1");
redirect("/bin/shell", "/vtty", "/keyboard");
exit(1);
}
char buf[128];
for (;;) {
if (_sys_read(killswitch_pipe[0], buf, 128, 0) != 4) {
break;
}
if (memcmp(buf, "intr", 4) == 0) {
_sys_intr();
} else if (memcmp(buf, "halt", 4) == 0) {
break;
}
}
printf("[init] intr\n");
_sys_intr();
_sys_sleep(1000);
printf("[init] filicide\n");
_sys_filicide();
printf("[init] goodbye\n");
return 0;
}
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