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authorMystery Man <unknown@mandriva.org>2002-07-08 07:45:08 +0000
committerMystery Man <unknown@mandriva.org>2002-07-08 07:45:08 +0000
commitbe128d0615965c467107adeb2c8cecd1125318a1 (patch)
tree998f5b6803ad85a1411491ef4c499fa8b9760bb2 /mdk-stage1/stage1.c
parent9555bb791920e8feace953f90cf908e864451b59 (diff)
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This commit was manufactured by cvs2svn to create tag 'V1_1_8_2mdk'.V1_1_8_2mdk
Diffstat (limited to 'mdk-stage1/stage1.c')
-rw-r--r--mdk-stage1/stage1.c467
1 files changed, 0 insertions, 467 deletions
diff --git a/mdk-stage1/stage1.c b/mdk-stage1/stage1.c
deleted file mode 100644
index b70cf33a3..000000000
--- a/mdk-stage1/stage1.c
+++ /dev/null
@@ -1,467 +0,0 @@
-/*
- * Guillaume Cottenceau (gc@mandrakesoft.com)
- *
- * Copyright 2000-2001 MandrakeSoft
- *
- * View the homepage: http://people.mandrakesoft.com/~gc/html/stage1.html
- *
- *
- * 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
- *
- */
-
-#include <stdlib.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <string.h>
-#include <errno.h>
-#include <ctype.h>
-#include <stdarg.h>
-#include <signal.h>
-
-#include "stage1.h"
-
-#include "log.h"
-#include "probing.h"
-#include "frontend.h"
-#include "modules.h"
-#include "tools.h"
-#include "automatic.h"
-#include "mount.h"
-#include "insmod.h"
-
-#ifdef ENABLE_PCMCIA
-#include "pcmcia_/pcmcia.h"
-#endif
-
-#ifndef DISABLE_CDROM
-#include "cdrom.h"
-#endif
-
-#ifndef DISABLE_NETWORK
-#include "network.h"
-#endif
-
-#ifndef DISABLE_DISK
-#include "disk.h"
-#endif
-
-
-/************************************************************
- * globals */
-
-char * method_name;
-char * stage2_kickstart = NULL;
-
-
-void fatal_error(char *msg)
-{
- printf("FATAL ERROR IN STAGE1: %s\n\nI can't recover from this.\nYou may reboot your system.\n", msg);
- while (1);
-}
-
-
-/************************************************************
- * special frontend functs
- * (the principle is to not pollute frontend code with stage1-specific stuff) */
-
-void stg1_error_message(char *msg, ...)
-{
- va_list args;
- va_start(args, msg);
- log_message("unsetting automatic");
- unset_param(MODE_AUTOMATIC);
- verror_message(msg, args);
- va_end(args);
-}
-
-void stg1_info_message(char *msg, ...)
-{
- va_list args;
- va_start(args, msg);
- if (IS_AUTOMATIC) {
- vlog_message(msg, args);
- return;
- }
- vinfo_message(msg, args);
- va_end(args);
-}
-
-
-/************************************************************
- * spawns a shell on console #2 */
-static void spawn_shell(void)
-{
-#ifdef SPAWN_SHELL
- int fd;
- char * shell_name[] = { "/tmp/sh", NULL };
-
- log_message("spawning a shell");
-
- if (!IS_TESTING) {
- fd = open("/dev/tty2", O_RDWR);
- if (fd == -1) {
- log_message("cannot open /dev/tty2 -- no shell will be provided");
- return;
- }
- else if (access(shell_name[0], X_OK)) {
- log_message("cannot open shell - %s doesn't exist", shell_name[0]);
- return;
- }
-
- if (!fork()) {
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
-
- close(fd);
- setsid();
- if (ioctl(0, TIOCSCTTY, NULL))
- log_perror("could not set new controlling tty");
-
- execve(shell_name[0], shell_name, grab_env());
- log_message("execve of %s failed: %s", shell_name[0], strerror(errno));
- exit(-1);
- }
-
- close(fd);
- }
-#endif
-}
-
-
-char * interactive_fifo = "/tmp/stage1-fifo";
-static pid_t interactive_pid = 0;
-
-/* spawns my small interactive on console #6 */
-static void spawn_interactive(void)
-{
-#ifdef SPAWN_INTERACTIVE
- int fd;
- char * dev = "/dev/tty6";
-
- printf("spawning my interactive on %s\n", dev);
-
- if (!IS_TESTING) {
- fd = open(dev, O_RDWR);
- if (fd == -1) {
- printf("cannot open %s -- no interactive\n", dev);
- return;
- }
-
- if (mkfifo(interactive_fifo, O_RDWR)) {
- printf("cannot create fifo -- no interactive\n");
- return;
- }
-
- if (!(interactive_pid = fork())) {
- int fif_out;
-
- dup2(fd, 0);
- dup2(fd, 1);
- dup2(fd, 2);
-
- close(fd);
- setsid();
- if (ioctl(0, TIOCSCTTY, NULL))
- perror("could not set new controlling tty");
-
- fif_out = open(interactive_fifo, O_WRONLY);
- printf("Please enter your command (availables: [+,-] [rescue,expert]).\n");
-
- while (1) {
- char s[50];
- int i = 0;
- printf("? ");
- fflush(stdout);
- read(0, &(s[i++]), 1);
- fcntl(0, F_SETFL, O_NONBLOCK);
- while (read(0, &(s[i++]), 1) > 0 && i < sizeof(s));
- fcntl(0, F_SETFL, 0);
- write(fif_out, s, i-2);
- printf("Ok.\n");
- }
- }
-
- close(fd);
- }
-#endif
-}
-
-
-/************************************************************
- */
-
-static void expert_third_party_modules(void)
-{
- enum return_type results;
- char * floppy_mount_location = "/tmp/floppy";
- char ** modules;
- char final_name[500];
- char * choice;
- int rc;
- char * questions[] = { "Options", NULL };
- static char ** answers = NULL;
-
- results = ask_yes_no("If you want to insert third-party kernel modules, insert "
- "a Linux (ext2fs) formatted floppy containing the modules and confirm. Otherwise, select \"no\".");;
- if (results != RETURN_OK)
- return;
-
- my_insmod("floppy", ANY_DRIVER_TYPE, NULL);
-
- if (my_mount("/dev/fd0", floppy_mount_location, "ext2", 0) == -1) {
- stg1_error_message("I can't find a Linux ext2 floppy in first floppy drive.");
- return expert_third_party_modules();
- }
-
- modules = list_directory(floppy_mount_location);
-
- if (!modules || !*modules) {
- stg1_error_message("No modules found on floppy disk.");
- umount(floppy_mount_location);
- return expert_third_party_modules();
- }
-
- results = ask_from_list("Which driver would you like to insmod?", modules, &choice);
- if (results != RETURN_OK) {
- umount(floppy_mount_location);
- return;
- }
-
- sprintf(final_name, "%s/%s", floppy_mount_location, choice);
-
- results = ask_from_entries("Please enter the options:", questions, &answers, 24, NULL);
- if (results != RETURN_OK) {
- umount(floppy_mount_location);
- return expert_third_party_modules();
- }
-
- rc = insmod_call(final_name, answers[0]);
- umount(floppy_mount_location);
-
- if (rc) {
- log_message("\tfailed");
- stg1_error_message("Insmod failed.");
- }
-
- return expert_third_party_modules();
-}
-
-
-#ifdef ENABLE_PCMCIA
-static void handle_pcmcia(char ** pcmcia_adapter)
-{
- char buf[50];
- int fd = open("/proc/version", O_RDONLY);
- int size;
- if (fd == -1)
- fatal_error("could not open /proc/version");
- size = read(fd, buf, sizeof(buf));
- buf[size-1] = '\0'; // -1 to eat the \n
- close(fd);
- buf[17] = '\0'; // enough to extract `2.2'
- if (ptr_begins_static_str(buf+14, "2.2")) {
- stg1_error_message("We now use kernel pcmcia support and this won't work with a 2.2 kernel.");
- return;
- }
-
- *pcmcia_adapter = pcmcia_probe();
- if (!*pcmcia_adapter) {
- log_message("no pcmcia adapter found");
- return;
- }
- my_insmod("pcmcia_core", ANY_DRIVER_TYPE, NULL);
- my_insmod(*pcmcia_adapter, ANY_DRIVER_TYPE, NULL);
- my_insmod("ds", ANY_DRIVER_TYPE, NULL);
-
- /* call to cardmgr takes time, let's use the wait message */
- wait_message("Enabling PCMCIA extension cards...");
- log_message("cardmgr rc: %d", cardmgr_call());
- remove_wait_message();
-
- if (IS_EXPERT)
- expert_third_party_modules();
-}
-#endif
-
-
-/************************************************************
- */
-
-static enum return_type method_select_and_prepare(void)
-{
- enum return_type results;
- char * choice;
- char * means[10], * means_auto[10];
- int i;
-
-#ifndef DISABLE_DISK
- char * disk_install = "Hard disk"; char * disk_install_auto = "disk";
-#endif
-#ifndef DISABLE_CDROM
- char * cdrom_install = "CDROM drive"; char * cdrom_install_auto = "cdrom";
-#endif
-#ifndef DISABLE_NETWORK
- char * network_nfs_install = "NFS server"; char * network_nfs_install_auto = "nfs";
- char * network_ftp_install = "FTP server"; char * network_ftp_install_auto = "ftp";
- char * network_http_install = "HTTP server"; char * network_http_install_auto = "http";
-#endif
-
- i = 0;
-#ifndef DISABLE_NETWORK
- means[i] = network_nfs_install; means_auto[i++] = network_nfs_install_auto;
- means[i] = network_ftp_install; means_auto[i++] = network_ftp_install_auto;
- means[i] = network_http_install; means_auto[i++] = network_http_install_auto;
-#endif
-#ifndef DISABLE_CDROM
- means[i] = cdrom_install; means_auto[i++] = cdrom_install_auto;
-#endif
-#ifndef DISABLE_DISK
- means[i] = disk_install; means_auto[i++] = disk_install_auto;
-#endif
- means[i] = NULL;
-
- results = ask_from_list_auto("Please choose the installation method.", means, &choice, "method", means_auto);
-
- if (results != RETURN_OK)
- return method_select_and_prepare();
-
- results = RETURN_ERROR;
-
-#ifndef DISABLE_CDROM
- if (!strcmp(choice, cdrom_install))
- results = cdrom_prepare();
-#endif
-
-#ifndef DISABLE_DISK
- if (!strcmp(choice, disk_install))
- results = disk_prepare();
-#endif
-
-#ifndef DISABLE_NETWORK
- if (!strcmp(choice, network_nfs_install))
- results = nfs_prepare();
-
- if (!strcmp(choice, network_ftp_install))
- results = ftp_prepare();
-
- if (!strcmp(choice, network_http_install))
- results = http_prepare();
-#endif
-
- if (results != RETURN_OK)
- return method_select_and_prepare();
-
- return RETURN_OK;
-}
-
-
-int main(int argc __attribute__ ((unused)), char **argv __attribute__ ((unused)), char **env)
-{
- enum return_type ret;
- char ** argptr;
- char * stage2_args[30];
-#ifdef ENABLE_PCMCIA
- char * pcmcia_adapter = NULL;
-#endif
-
- if (getpid() > 50)
- set_param(MODE_TESTING);
-
- spawn_interactive();
-
- open_log();
- log_message("welcome to the " DISTRIB_NAME " install (mdk-stage1, version " VERSION " built " __DATE__ " " __TIME__")");
- process_cmdline();
- handle_env(env);
- spawn_shell();
- init_modules_insmoding();
- init_frontend("Welcome to " DISTRIB_NAME " (" VERSION ") " __DATE__ " " __TIME__);
-
- if (IS_EXPERT)
- expert_third_party_modules();
-
- if (IS_UPDATEMODULES)
- update_modules();
-
-#ifdef ENABLE_PCMCIA
- handle_pcmcia(&pcmcia_adapter);
-#endif
-
- if (IS_CHANGEDISK)
- stg1_info_message("You are starting the installation with an alternate booting method. "
- "Please change your disk, and insert the Installation disk.");
-
- if (IS_RESCUE && total_memory() < MEM_LIMIT_RESCUE) {
- stg1_error_message("You are starting the rescue with a low memory configuration. "
- "Our experience shows that your system may crash at any point "
- "or lock up for no apparent reason. Continue at "
- "your own risk. Alternatively, you may reboot your system now.");
- }
-
- ret = method_select_and_prepare();
-
- finish_frontend();
- close_log();
-
- if (ret != RETURN_OK)
- fatal_error("could not select an installation method");
-
- if (!IS_RAMDISK) {
- if (symlink(IMAGE_LOCATION LIVE_LOCATION, STAGE2_LOCATION) != 0) {
- printf("symlink from " IMAGE_LOCATION LIVE_LOCATION " to " STAGE2_LOCATION " failed");
- fatal_error(strerror(errno));
- }
- }
-
- if (interactive_pid != 0)
- kill(interactive_pid, 9);
-
- if (IS_RESCUE)
- return 66;
- if (IS_TESTING)
- return 0;
-
- argptr = stage2_args;
- *argptr++ = "/usr/bin/runinstall2";
- *argptr++ = "--method";
- *argptr++ = method_name;
-#ifdef ENABLE_PCMCIA
- if (pcmcia_adapter) {
- *argptr++ = "--pcmcia";
- *argptr++ = pcmcia_adapter;
- }
-#endif
- if (disable_modules)
- *argptr++ = "--blank";
- if (stage2_kickstart) {
- *argptr++ = "--kickstart";
- *argptr++ = stage2_kickstart;
- }
- *argptr++ = NULL;
-
- execve(stage2_args[0], stage2_args, grab_env());
-
- printf("error in exec of stage2 :-(\n");
- fatal_error(strerror(errno));
-
- return 0; /* shut up compiler (we can't get here anyway!) */
-}