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/*
* Guillaume Cottenceau (gc@mandrakesoft.com)
*
* Copyright 2000 MandrakeSoft
*
* View the homepage: http://us.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 <sys/mount.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
#include "stage1.h"
#include "log.h"
#include "probing.h"
#include "frontend.h"
#include "modules.h"
#include "tools.h"
#include "automatic.h"
#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;
void fatal_error(char *msg)
{
printf("FATAL ERROR IN STAGE1: %s\n\nI can't recover from this.\n", msg);
while (1);
}
/* spawns a shell on console #2 */
void spawn_shell(void)
{
int fd;
pid_t pid;
char * shell_name = "/sbin/sash";
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, X_OK)) {
log_message("cannot open shell - %s doesn't exist", shell_name);
return;
}
if (!(pid = fork())) {
dup2(fd, 0);
dup2(fd, 1);
dup2(fd, 2);
close(fd);
setsid();
if (ioctl(0, TIOCSCTTY, NULL))
perror("could not set new controlling tty");
execl(shell_name, shell_name, NULL);
log_message("execl of %s failed: %s", shell_name, strerror(errno));
}
close(fd);
}
}
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 mean of installation.", 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, char **argv, char **env)
{
enum return_type ret;
char ** argptr;
char * stage2_args[30];
if (getpid() > 50)
set_param(MODE_TESTING);
open_log();
log_message("welcome to the " DISTRIB_NAME " install (stage1, version " VERSION " built " __DATE__ " " __TIME__")");
process_cmdline();
spawn_shell();
if (load_modules_dependencies())
fatal_error("could not open and parse modules dependencies");
init_frontend();
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("/tmp/image/Mandrake/mdkinst", "/tmp/stage2") != 0)
fatal_error("symlink to /tmp/stage2 failed");
}
if (IS_RESCUE) {
int fd = open("/proc/sys/kernel/real-root-dev", O_RDWR);
#ifdef __sparc__
write(fd, "0x1030000", sizeof("0x1030000")); /* ram3 or sparc */
#else
write(fd, "0x103", sizeof("0x103")); /* ram3 */
#endif
close(fd);
return 0;
}
if (IS_TESTING)
return 0;
argptr = stage2_args;
*argptr++ = "/usr/bin/runinstall2";
*argptr++ = method_name;
*argptr++ = NULL;
execve(stage2_args[0], stage2_args, env);
printf("error in exec of stage2 :-(\n");
fatal_error(strerror(errno));
return 0; /* shut up compiler (we can't get here anyway!) */
}
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