first draft

1 files changed, 129 insertions, 0 deletions

diff --git a/mdk-stage1/stage1.c b/mdk-stage1/stage1.c
new file mode 100644
index 000000000..16b848a9c
--- /dev/null
+++ b/mdk-stage1/stage1.c
@@ -0,0 +1,129 @@
+/*
+ * 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 
+ *
+ */
+
+#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 "log.h"
+
+
+int testing;
+
+
+void fatal_error(char *msg)
+{
+	printf("FATAL ERROR IN STAGE1: %s\n\nI can't recover from this, please reboot manually and send bugreport.\n", msg);
+	while (1);
+}
+
+void process_cmdline(void)
+{
+    char buf[512];
+    int fd;
+    int size;
+
+
+    log_message("opening /proc/cmdline... ");
+
+    if ((fd = open("/proc/cmdline", O_RDONLY, 0)) < 0) fatal_error("could not open /proc/cmdline");
+
+    size = read(fd, buf, sizeof(buf) - 1);
+    buf[size] = '\0';
+    close(fd);
+
+    log_message("\t%s", buf);
+}
+
+
+#ifdef SPAWN_SHELL
+/* spawns a shell on console #2 */
+void spawn_shell(void)
+{
+	pid_t pid;
+	int fd;
+	char * shell_name = "/sbin/sash";
+
+	if (!testing)
+	{
+		fd = open("/dev/tty2", O_RDWR);
+		if (fd < 0)
+		{
+			log_message("cannot open /dev/tty2 -- no shell will be provided");
+			return;
+		}
+		else
+			if (access(shell_name, X_OK))
+			{
+				log_message("cannot open shell - /usr/bin/sh doesn't exist");
+				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);
+	}
+	else
+		log_message("I should be spawning a shell");
+}
+#endif
+
+
+int
+main(int argc, char **argv)
+{
+	/* getpid() != 1 should work, by linuxrc tends to get a larger pid */
+	testing = (getpid() > 50);
+
+	open_log(testing);
+
+	log_message("welcome to the Linux-Mandrake install (stage1, version " VERSION " built " __DATE__ " " __TIME__")");
+
+	process_cmdline();
+	spawn_shell();
+
+	
+                     printf("Temporary end of stage1 binary -- entering an infinite loop\n");
+		     log_message("Temporary end of stage1 binary -- entering an infinite loop");
+	             while(1);
+
+	return 0;
+}