new bootdisk

2 files changed, 126 insertions, 0 deletions

diff --git a/sys-apps/bootdisk/files/bootgrub.img b/sys-apps/bootdisk/files/bootgrub.img
new file mode 100644
index 000000000000..64502b3895bb
--- /dev/null
+++ b/sys-apps/bootdisk/files/bootgrub.img
diff --git a/sys-apps/bootdisk/files/linuxrc.c b/sys-apps/bootdisk/files/linuxrc.c
new file mode 100644
index 000000000000..7cdfea43b3af
--- /dev/null
+++ b/sys-apps/bootdisk/files/linuxrc.c
@@ -0,0 +1,126 @@
+#include <stdio.h>
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <errno.h>
+#include <sys/ioctl.h>
+#include <linux/loop.h>
+#include <linux/fs.h>
+
+#define NUMDRIVES (6)
+
+int set_loop(const char *device, const char *file, int offset, int loopro)
+{
+	struct loop_info loopinfo;
+	int	fd, ffd, mode, i;
+	char	*pass;
+
+	mode = loopro ? O_RDONLY : O_RDWR;
+	if ((ffd = open (file, mode)) < 0 && !loopro
+	    && (errno != EROFS || (ffd = open (file, mode = O_RDONLY)) < 0)) {
+	  perror (file);
+	  return 0;
+	}
+	if ((fd = open (device, mode)) < 0) {
+	  perror (device);
+	  return 0;
+	}
+	loopro = (mode == O_RDONLY);
+
+	memset(&loopinfo, 0, sizeof(loopinfo));
+	strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
+	loopinfo.lo_name[LO_NAME_SIZE-1] = 0;
+	loopinfo.lo_offset = offset;
+	loopinfo.lo_encrypt_key_size = 0;
+	if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
+		perror("ioctl: LOOP_SET_FD");
+		exit(1);
+	}
+	if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
+		(void) ioctl(fd, LOOP_CLR_FD, 0);
+		perror("ioctl: LOOP_SET_STATUS");
+		exit(1);
+	}
+	close(fd);
+	close(ffd);
+	return 1;
+}
+
+int main(void) {
+	char *drives[]={ "/dev/hdc","/dev/hdd","/dev/hdb","/dev/hda","/dev/scd0","/dev/scd1"};
+/*	char *mymtab="/dev/loop0 / ext2 ro 0 0\n"; */
+	int i,mresult;
+	FILE *distfile,*mycdfile;
+	char mychar;
+	
+	printf("\033c\033[36;01mGentoo Linux CD-ROM mounter \033[32;01m\nCopyright 1999-2000 Daniel Robbins\n-=Distributed under the GPL=-\n\n\033[0m");
+
+	i=0;
+	while ( i < NUMDRIVES ) {
+		printf("Trying %s...",drives[i]);
+		sleep(1);
+		mresult=mount(drives[i],"/distcd","iso9660",MS_MGC_VAL|MS_RDONLY,NULL);
+		if ((mresult==-1) && (errno==123)) {
+			//medium not found
+			mychar=' ';
+			while (mychar==' ') {
+				printf("\nEmpty CD-ROM detected at %s.\nYou can either insert the Gentoo Linux CD and press <space> to mount,\nor press any other key to continue probing CD-ROM devices.\n\n", drives[i]);
+				mychar=getchar();
+				if (mychar!=' ') 
+				 	i++; 
+				continue;
+			}	
+		} else if (mresult==0) {
+			//success - a CD of some kind was found
+			printf("\n\033[36;01mCD found...\033[0m\n");
+			while ((distfile=fopen("/distcd/version","r"))==NULL) {
+				printf("This does not appear to be the Gentoo Linux distribution disc.\n");
+				printf("You can either insert Gentoo Linux CD into %s and press <space> to remount,\n",drives[i]);
+				printf("or you can press any other key to continue probing CD-ROM devices.\n\n");					
+				umount(drives[i]);
+				mychar=getchar();	
+				if (mychar!=' ')
+					i++;
+				continue;
+			}
+			printf("\033[32;01mGentoo Linux distribution CD found!\033[0m\n");
+			fclose(distfile);
+			break;
+		} else {
+			//failure
+			printf(" error %i\n",errno);
+			i++;
+		}
+	}
+	if (mresult) {
+		//couldn't mount cd :/		
+		printf("\nCould not mount CD.  Ouch!\n");
+		exit(1);
+	}
+
+
+	mycdfile=fopen("/mycd","a");
+	if (mycdfile) {
+		fputs(drives[i],mycdfile);
+		putc('\n',mycdfile);
+		fclose(mycdfile);
+	} else {
+		printf("Error writing mycd info!\n");
+	}		
+
+	printf("Associating loopback CD-ROM filesystem...\n");
+	if(!(set_loop("/dev/loop0","/distcd/images/boot.img",0,0))) {
+		printf("Error associating loopback CD-ROM filesystem.  This program is stuck!\n");
+		exit(1);
+	}
+	printf("Success!\n");		
+/*	mount("/dev/loop0","/","ext2",MS_MGC_VAL|MS_RDONLY,0);
+	mycdfile=fopen("/etc/mtab","a");
+	fwrite(mymtab,1,strlen(mymtab),mycdfile);
+	fclose(mycdfile); */
+}
+