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-rw-r--r--mdk-stage1/init.c584
1 files changed, 0 insertions, 584 deletions
diff --git a/mdk-stage1/init.c b/mdk-stage1/init.c
deleted file mode 100644
index f5a46010b..000000000
--- a/mdk-stage1/init.c
+++ /dev/null
@@ -1,584 +0,0 @@
-/*
- * Guillaume Cottenceau (gc@mandrakesoft.com)
- *
- * Copyright 2000 Mandrakesoft
- *
- * This software may be freely redistributed under the terms of the GNU
- * public license.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
- *
- */
-
-/*
- * Portions from Erik Troan (ewt@redhat.com)
- *
- * Copyright 1996 Red Hat Software
- *
- */
-
-#ifndef INIT_HEADERS
-#include "init-libc-headers.h"
-#else
-#include INIT_HEADERS
-#endif
-
-#include "config-stage1.h"
-#include <linux/cdrom.h>
-
-#if defined(__powerpc__)
-#define TIOCSCTTY 0x540E
-#endif
-
-char * env[] = {
- "PATH=/usr/bin:/bin:/sbin:/usr/sbin:/mnt/sbin:/mnt/usr/sbin:/mnt/bin:/mnt/usr/bin",
- "LD_LIBRARY_PATH=/lib:/usr/lib:/mnt/lib:/mnt/usr/lib:/usr/X11R6/lib:/mnt/usr/X11R6/lib"
-#if defined(__x86_64__) || defined(__ppc64__)
- ":/lib64:/usr/lib64:/usr/X11R6/lib64:/mnt/lib64:/mnt/usr/lib64:/mnt/usr/X11R6/lib64"
-#endif
- ,
- "HOME=/",
- "TERM=linux",
- "TERMINFO=/etc/terminfo",
- NULL
-};
-
-
-/*
- * this needs to handle the following cases:
- *
- * 1) run from a CD root filesystem
- * 2) run from a read only nfs rooted filesystem
- * 3) run from a floppy
- * 4) run from a floppy that's been loaded into a ramdisk
- *
- */
-
-int testing = 0;
-int klog_pid;
-
-
-void fatal_error(char *msg)
-{
- printf("FATAL ERROR IN INIT: %s\n\nI can't recover from this, please reboot manually and send bugreport.\n", msg);
- select(0, NULL, NULL, NULL, NULL);
-}
-
-void print_error(char *msg)
-{
- printf("E: %s\n", msg);
-}
-
-void print_warning(char *msg)
-{
- printf("W: %s\n", msg);
-}
-
-void print_int_init(int fd, int i)
-{
- char buf[10];
- char * chptr = buf + 9;
- int j = 0;
-
- if (i < 0)
- {
- write(1, "-", 1);
- i = -1 * i;
- }
-
- while (i)
- {
- *chptr-- = '0' + (i % 10);
- j++;
- i = i / 10;
- }
-
- write(fd, chptr + 1, j);
-}
-
-void print_str_init(int fd, char * string)
-{
- write(fd, string, strlen(string));
-}
-
-/* fork to:
- * (1) watch /proc/kmsg and copy the stuff to /dev/tty4
- * (2) listens to /dev/log and copy also this stuff (log from programs)
- */
-void doklog()
-{
- fd_set readset, unixs;
- int in, out, i;
- int log;
- int s;
- int sock = -1;
- struct sockaddr_un sockaddr;
- char buf[1024];
- int readfd;
-
- /* open kernel message logger */
- in = open("/proc/kmsg", O_RDONLY,0);
- if (in < 0) {
- print_error("could not open /proc/kmsg");
- return;
- }
-
- mkdir("/tmp", 0755);
- if ((log = open("/tmp/syslog", O_WRONLY | O_CREAT | O_APPEND, 0644)) < 0) {
- print_error("error opening /tmp/syslog");
- sleep(5);
- return;
- }
-
- if ((klog_pid = fork())) {
- close(in);
- close(log);
- return;
- } else {
- close(0);
- close(1);
- close(2);
- }
-
- out = open("/dev/tty4", O_WRONLY, 0);
- if (out < 0)
- print_warning("couldn't open tty for syslog -- still using /tmp/syslog\n");
-
- /* now open the syslog socket */
-// ############# LINUX 2.4 /dev/log IS BUGGED! --> apparently the syslogs can't reach me, and it's full up after a while
-// sockaddr.sun_family = AF_UNIX;
-// strncpy(sockaddr.sun_path, "/dev/log", UNIX_PATH_MAX);
-// sock = socket(AF_UNIX, SOCK_STREAM, 0);
-// if (sock < 0) {
-// printf("error creating socket: %d\n", errno);
-// sleep(5);
-// }
-//
-// print_str_init(log, "] got socket\n");
-// if (bind(sock, (struct sockaddr *) &sockaddr, sizeof(sockaddr.sun_family) + strlen(sockaddr.sun_path))) {
-// print_str_init(log, "] bind error: ");
-// print_int_init(log, errno);
-// print_str_init(log, "\n");
-// sleep(// }
-//
-// print_str_init(log, "] bound socket\n");
-// chmod("/dev/log", 0666);
-// if (listen(sock, 5)) {
-// print_str_init(log, "] listen error: ");
-// print_int_init(log, errno);
-// print_str_init(log, "\n");
-// sleep(5);
-// }
-
- /* disable on-console syslog output */
- syslog(8, NULL, 1);
-
- print_str_init(log, "] kernel/system logger ok\n");
- FD_ZERO(&unixs);
- while (1) {
- memcpy(&readset, &unixs, sizeof(unixs));
-
- if (sock >= 0)
- FD_SET(sock, &readset);
- FD_SET(in, &readset);
-
- i = select(20, &readset, NULL, NULL, NULL);
- if (i <= 0)
- continue;
-
- /* has /proc/kmsg things to tell us? */
- if (FD_ISSET(in, &readset)) {
- i = read(in, buf, sizeof(buf));
- if (i > 0) {
- if (out >= 0)
- write(out, buf, i);
- write(log, buf, i);
- }
- }
-
- /* examine some fd's in the hope to find some syslog outputs from programs */
- for (readfd = 0; readfd < 20; ++readfd) {
- if (FD_ISSET(readfd, &readset) && FD_ISSET(readfd, &unixs)) {
- i = read(readfd, buf, sizeof(buf));
- if (i > 0) {
- /* grep out the output of RPM telling that it installed/removed some packages */
- if (!strstr(buf, "mdk installed") && !strstr(buf, "mdk removed")) {
- if (out >= 0)
- write(out, buf, i);
- write(log, buf, i);
- }
- } else if (i == 0) {
- /* socket closed */
- close(readfd);
- FD_CLR(readfd, &unixs);
- }
- }
- }
-
- /* the socket has moved, new stuff to do */
- if (sock >= 0 && FD_ISSET(sock, &readset)) {
- s = sizeof(sockaddr);
- readfd = accept(sock, (struct sockaddr *) &sockaddr, &s);
- if (readfd < 0) {
- char * msg_error = "] error in accept\n";
- if (out >= 0)
- write(out, msg_error, strlen(msg_error));
- write(log, msg_error, strlen(msg_error));
- close(sock);
- sock = -1;
- }
- else
- FD_SET(readfd, &unixs);
- }
- }
-}
-
-
-#define LOOP_CLR_FD 0x4C01
-
-void del_loops(void)
-{
- char loopdev[] = "/dev/loop0";
- char chloopdev[] = "/dev/chloop0";
- int i;
- for (i=0; i<8; i++) {
- int fd;
- loopdev[9] = '0' + i;
- fd = open(loopdev, O_RDONLY, 0);
- if (fd > 0) {
- if (!ioctl(fd, LOOP_CLR_FD, 0))
- printf("\t%s\n", loopdev);
- close(fd);
- }
- chloopdev[11] = '0' + i;
- fd = open(chloopdev, O_RDONLY, 0);
- if (fd > 0) {
- if (!ioctl(fd, LOOP_CLR_FD, 0))
- printf("\t%s\n", chloopdev);
- close(fd);
- }
- }
-}
-
-struct filesystem
-{
- char * dev;
- char * name;
- char * fs;
- int mounted;
-};
-
-char* strcat(register char* s,register const char* t)
-{
- char *dest=s;
- s+=strlen(s);
- for (;;) {
- if (!(*s = *t)) break; ++s; ++t;
- }
- return dest;
-}
-
-/* attempt to unmount all filesystems in /proc/mounts */
-void unmount_filesystems(void)
-{
- int fd, size;
- char buf[65535]; /* this should be big enough */
- char *p;
- struct filesystem fs[500];
- int numfs = 0;
- int i, nb;
- int disallow_eject = 0;
-
- printf("unmounting filesystems...\n");
-
- fd = open("/proc/mounts", O_RDONLY, 0);
- if (fd < 1) {
- print_error("failed to open /proc/mounts");
- sleep(2);
- return;
- }
-
- size = read(fd, buf, sizeof(buf) - 1);
- buf[size] = '\0';
-
- close(fd);
-
- p = buf;
- while (*p) {
- fs[numfs].mounted = 1;
- fs[numfs].dev = p;
- while (*p != ' ') p++;
- *p++ = '\0';
- fs[numfs].name = p;
- while (*p != ' ') p++;
- *p++ = '\0';
- fs[numfs].fs = p;
- while (*p != ' ') p++;
- *p++ = '\0';
- while (*p != '\n') p++;
- p++;
- if (!strcmp(fs[numfs].fs, "nfs"))
- disallow_eject = 1;
- if (strcmp(fs[numfs].name, "/")
- && !strstr(fs[numfs].dev, "ram")
- && strcmp(fs[numfs].name, "/dev")
- && strcmp(fs[numfs].name, "/sys")
- && strncmp(fs[numfs].name, "/proc", 5))
- numfs++;
- }
-
- /* Pixel's ultra-optimized sorting algorithm:
- multiple passes trying to umount everything until nothing moves
- anymore (a.k.a holy shotgun method) */
- do {
- nb = 0;
- for (i = 0; i < numfs; i++) {
- /*printf("trying with %s\n", fs[i].name);*/
- del_loops();
- if (fs[i].mounted && umount(fs[i].name) == 0) {
- printf("\t%s\n", fs[i].name);
- fs[i].mounted = 0;
- nb++;
- }
- }
- } while (nb);
-
- for (i = nb = 0; i < numfs; i++)
- if (fs[i].mounted) {
-#ifdef MANDRAKE_MOVE
- if (!strcmp(fs[i].name, "/cdrom") || !strcmp(fs[i].name, "/image_always"))
- continue;
-#endif
- printf("\tumount failed: %s\n", fs[i].name);
- if (strcmp(fs[i].fs, "ext3") == 0) nb++; /* don't count not-ext3 umount failed */
- }
-
-#ifdef MANDRAKE_MOVE
- if (!disallow_eject) {
- fd = open("/proc/fs/supermount/subfs", O_RDONLY, 0);
- if (fd > 0) {
- char devices[100][100];
- int i = 0;
- char * ptr1, * ptr2;
- size = read(fd, buf, sizeof(buf) - 1);
- buf[size] = '\0';
- close(fd);
- ptr1 = buf;
- ptr2 = buf;
- while (*ptr1 && *ptr2) {
- char * ptrf = ptr1;
- while (*ptr2 && *ptr2 != '\n')
- ptr2++;
- while (*ptrf && *ptrf != ' ')
- ptrf++;
- if (*ptrf)
- *ptrf = '\0';
- strcpy(devices[i], ptr1);
- i++;
- if (*ptr2)
- ptr2++;
- ptr1 = ptr2;
- }
- while (i >= 1) {
- i--;
- strcat(devices[i], " release force");
- fd = open("/proc/fs/supermount/subfs", O_WRONLY, 0);
- write(fd, devices[i], strlen(devices[i]));
- close(fd);
- }
- }
- fd = open("/dev/cdrom", O_RDONLY|O_NONBLOCK, 0);
- if (fd > 0) {
- ioctl(fd, CDROM_LOCKDOOR, 0);
- close(fd);
- }
- fd = open("/dev/cdrom", O_RDONLY|O_NONBLOCK, 0);
- if (fd > 0) {
- ioctl(fd, CDROMEJECT, 0);
- close(fd);
- }
- }
-#endif
-
- if (nb) {
- printf("failed to umount some filesystems\n");
- select(0, NULL, NULL, NULL, NULL);
- }
-}
-
-#define BMAGIC_HARD 0x89ABCDEF
-#define BMAGIC_SOFT 0
-#define BMAGIC_REBOOT 0x01234567
-#define BMAGIC_HALT 0xCDEF0123
-#define BMAGIC_POWEROFF 0x4321FEDC
-int reboot_magic = BMAGIC_REBOOT;
-
-int in_reboot(void)
-{
- int fd;
- if ((fd = open("/var/run/rebootctl", O_RDONLY, 0)) > 0) {
- char buf[100];
- int i = read(fd, buf, sizeof(buf));
- close(fd);
- if (strstr(buf, "halt"))
- reboot_magic = BMAGIC_POWEROFF;
- return i > 0;
- }
- return 0;
-}
-
-int exit_value_proceed = 66;
-int exit_value_restart = 0x35;
-
-int main(int argc, char **argv)
-{
- pid_t installpid, childpid;
- int wait_status;
- int fd;
- int abnormal_termination = 0;
-
- if (argc > 1 && argv[1][0] >= '0' && argv[1][0] <= '9') {
- printf("This is no normal init, sorry.\n"
- "Call `reboot' or `halt' directly.\n");
- return 0;
- }
-
- if (!testing) {
- /* turn off screen blanking */
- printf("\033[9;0]");
- printf("\033[8]");
- }
- else
- printf("*** TESTING MODE *** (pid is %d)\n", getpid());
-
-
- if (!testing) {
- mkdir("/proc", 0755);
- if (mount("/proc", "/proc", "proc", 0, NULL))
- fatal_error("Unable to mount proc filesystem");
- }
-
-
- /* ignore Control-C and keyboard stop signals */
- signal(SIGINT, SIG_IGN);
- signal(SIGTSTP, SIG_IGN);
-
-#ifdef MANDRAKE_MOVE
- /* disallow Ctrl Alt Del to reboot */
- reboot(0xfee1dead, 672274793, BMAGIC_SOFT);
-#endif
-
- if (!testing) {
- fd = open("/dev/console", O_RDWR, 0);
- if (fd < 0)
- fatal_error("failed to open /dev/console");
-
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
- close(fd);
- }
-
-
- /* I set me up as session leader (probably not necessary?) */
- setsid();
-// if (ioctl(0, TIOCSCTTY, NULL))
-// print_error("could not set new controlling tty");
-
- if (!testing) {
- char my_hostname[] = "localhost";
- sethostname(my_hostname, sizeof(my_hostname));
- /* the default domainname (as of 2.0.35) is "(none)", which confuses
- glibc */
- setdomainname("", 0);
- }
-
- if (!testing)
- doklog();
-
- /* Go into normal init mode - keep going, and then do a orderly shutdown
- when:
-
- 1) install exits
- 2) we receive a SIGHUP
- */
-
- do {
- if (!(installpid = fork())) {
- /* child */
- char * child_argv[2];
- child_argv[0] = BINARY;
- child_argv[1] = NULL;
-
- execve(child_argv[0], child_argv, env);
- printf("error in exec of %s :-( [%d]\n", BINARY, errno);
- return 0;
- }
-
- do {
- childpid = wait4(-1, &wait_status, 0, NULL);
- } while (childpid != installpid);
- } while (WIFEXITED(wait_status) && WEXITSTATUS(wait_status) == exit_value_restart);
-
- /* allow Ctrl Alt Del to reboot */
- reboot(0xfee1dead, 672274793, BMAGIC_HARD);
-
- if (in_reboot()) {
- // any exitcode is valid if we're in_reboot
- } else if (WIFEXITED(wait_status) && WEXITSTATUS(wait_status) == exit_value_proceed) {
- kill(klog_pid, 9);
- printf("proceeding, please wait...\n");
- return 0;
- } else if (!WIFEXITED(wait_status) || WEXITSTATUS(wait_status) != 0) {
- printf("exited abnormally :-( ");
- if (WIFSIGNALED(wait_status))
- printf("-- received signal %d", WTERMSIG(wait_status));
- printf("\n");
- abnormal_termination = 1;
- }
-
- if (!abnormal_termination) {
- int i;
- for (i=0; i<50; i++)
- printf("\n"); /* cleanup startkde messages */
- }
-
- if (testing)
- return 0;
-
- sync(); sync();
- sleep(2);
-
- printf("sending termination signals...");
- kill(-1, 15);
- sleep(2);
- printf("done\n");
-
- printf("sending kill signals...");
- kill(-1, 9);
- sleep(2);
- printf("done\n");
-
- unmount_filesystems();
-
- sync(); sync();
-
- if (!abnormal_termination) {
- if (reboot_magic == BMAGIC_REBOOT) {
-#ifdef DEBUG
- printf("automatic reboot in 10 seconds\n");
- sleep(10);
-#endif
- reboot(0xfee1dead, 672274793, reboot_magic);
- } else {
- printf("you may safely poweroff your computer now\n");
- }
- } else {
- printf("you may safely reboot or halt your system\n");
- }
-
- select(0, NULL, NULL, NULL, NULL);
- return 0;
-}
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