summaryrefslogtreecommitdiff
path: root/lib/libdisk/disk.c
diff options
context:
space:
mode:
Diffstat (limited to 'lib/libdisk/disk.c')
-rw-r--r--lib/libdisk/disk.c327
1 files changed, 0 insertions, 327 deletions
diff --git a/lib/libdisk/disk.c b/lib/libdisk/disk.c
deleted file mode 100644
index cfac7b528b2ce..0000000000000
--- a/lib/libdisk/disk.c
+++ /dev/null
@@ -1,327 +0,0 @@
-/*
- * ----------------------------------------------------------------------------
- * "THE BEER-WARE LICENSE" (Revision 42):
- * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
- * can do whatever you want with this stuff. If we meet some day, and you think
- * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
- * ----------------------------------------------------------------------------
- *
- * $Id: disk.c,v 1.19.2.2 1995/06/05 02:24:27 jkh Exp $
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <fcntl.h>
-#include <string.h>
-#include <err.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <sys/ioctl.h>
-#include <sys/disklabel.h>
-#include <sys/diskslice.h>
-#include "libdisk.h"
-
-#define DOSPTYP_EXTENDED 5
-#define DOSPTYP_ONTRACK 84
-
-char *chunk_n[] = {
- "whole",
- "unknown",
- "fat",
- "freebsd",
- "extended",
- "part",
- "unused",
- NULL
-};
-
-struct disk *
-Open_Disk(char *name)
-{
- return Int_Open_Disk(name,0);
-}
-
-struct disk *
-Int_Open_Disk(char *name, u_long size)
-{
- int i,fd;
- struct diskslices ds;
- struct disklabel dl;
- char device[64];
- struct disk *d;
- struct dos_partition *dp;
- void *p;
- u_long offset = 0;
-
- strcpy(device,"/dev/r");
- strcat(device,name);
-
- d = (struct disk *)malloc(sizeof *d);
- if(!d) err(1,"malloc failed");
- memset(d,0,sizeof *d);
-
- fd = open(device,O_RDONLY);
- if (fd < 0) {
- warn("open(%s) failed",device);
- return 0;
- }
-
- memset(&dl,0,sizeof dl);
- ioctl(fd,DIOCGDINFO,&dl);
- i = ioctl(fd,DIOCGSLICEINFO,&ds);
- if (i < 0) {
- warn("DIOCGSLICEINFO(%s) failed",device);
- close(fd);
- return 0;
- }
-
-#ifdef DEBUG
- for(i=0;i<ds.dss_nslices;i++)
- if(ds.dss_slices[i].ds_openmask)
- printf(" open(%d)=0x%2x",
- i,ds.dss_slices[i].ds_openmask);
- printf("\n");
-#endif
-
- if (!size)
- size = ds.dss_slices[WHOLE_DISK_SLICE].ds_size;
-
- p = read_block(fd,0);
- dp = (struct dos_partition*)(p+DOSPARTOFF);
- for(i=0;i<NDOSPART;i++) {
- if (dp->dp_start >= size) continue;
- if (dp->dp_start+dp->dp_size >= size) continue;
- if (!dp->dp_size) continue;
-
- if (dp->dp_typ == DOSPTYP_ONTRACK) {
- d->flags |= DISK_ON_TRACK;
- offset = 63;
- }
-
- }
- free(p);
-
- d->bios_sect = dl.d_nsectors;
- d->bios_hd = dl.d_ntracks;
-
- d->name = strdup(name);
-
-
- if (dl.d_ntracks && dl.d_nsectors)
- d->bios_cyl = size/(dl.d_ntracks*dl.d_nsectors);
-
- if (Add_Chunk(d, -offset, size, name,whole,0,0))
- warn("Failed to add 'whole' chunk");
-
- for(i=BASE_SLICE;i<ds.dss_nslices;i++) {
- char sname[20];
- chunk_e ce;
- u_long flags=0;
- int subtype=0;
- if (! ds.dss_slices[i].ds_size)
- continue;
- ds.dss_slices[i].ds_offset -= offset;
- sprintf(sname,"%ss%d",name,i-1);
- subtype = ds.dss_slices[i].ds_type;
- switch (ds.dss_slices[i].ds_type) {
- case 0xa5:
- ce = freebsd;
- break;
- case 0x1:
- case 0x6:
- case 0x4:
- ce = fat;
- break;
- case DOSPTYP_EXTENDED:
- ce = extended;
- break;
- default:
- ce = unknown;
- break;
- }
- if (Add_Chunk(d,ds.dss_slices[i].ds_offset,
- ds.dss_slices[i].ds_size, sname,ce,subtype,flags))
- warn("failed to add chunk for slice %d",i - 1);
-
- if (ds.dss_slices[i].ds_type != 0xa5)
- continue;
- {
- struct disklabel dl;
- char pname[20];
- int j,k;
-
- strcpy(pname,"/dev/r");
- strcat(pname,sname);
- j = open(pname,O_RDONLY);
- if (j < 0) {
- warn("open(%s)",pname);
- continue;
- }
- k = ioctl(j,DIOCGDINFO,&dl);
- if (k < 0) {
- warn("ioctl(%s,DIOCGDINFO)",pname);
- close(j);
- continue;
- }
- close(j);
-
- for(j=0; j <= dl.d_npartitions; j++) {
- if (j == RAW_PART)
- continue;
- if (j == 3)
- continue;
- if (j == dl.d_npartitions) {
- j = 3;
- dl.d_npartitions=0;
- }
- if (!dl.d_partitions[j].p_size)
- continue;
- if (dl.d_partitions[j].p_size +
- dl.d_partitions[j].p_offset >
- ds.dss_slices[i].ds_size)
- continue;
- sprintf(pname,"%s%c",sname,j+'a');
- if (Add_Chunk(d,
- dl.d_partitions[j].p_offset +
- ds.dss_slices[i].ds_offset,
- dl.d_partitions[j].p_size,
- pname,part,
- dl.d_partitions[j].p_fstype,
- 0) && j != 3)
- warn(
- "Failed to add chunk for partition %c [%lu,%lu]",
- j + 'a',dl.d_partitions[j].p_offset,
- dl.d_partitions[j].p_size);
- }
- }
- }
- close(fd);
- Fixup_Names(d);
- Bios_Limit_Chunk(d->chunks,1024*d->bios_hd*d->bios_sect);
- return d;
-}
-
-void
-Debug_Disk(struct disk *d)
-{
- printf("Debug_Disk(%s)",d->name);
- printf(" flags=%lx",d->flags);
-#if 0
- printf(" real_geom=%lu/%lu/%lu",d->real_cyl,d->real_hd,d->real_sect);
-#endif
- printf(" bios_geom=%lu/%lu/%lu\n",d->bios_cyl,d->bios_hd,d->bios_sect);
- printf(" boot1=%p, boot2=%p, bootmgr=%p\n",
- d->boot1,d->boot2,d->bootmgr);
- Debug_Chunk(d->chunks);
-}
-
-void
-Free_Disk(struct disk *d)
-{
- if(d->chunks) Free_Chunk(d->chunks);
- if(d->name) free(d->name);
- if(d->bootmgr) free(d->bootmgr);
- if(d->boot1) free(d->boot1);
- if(d->boot2) free(d->boot2);
- free(d);
-}
-
-struct disk *
-Clone_Disk(struct disk *d)
-{
- struct disk *d2;
-
- d2 = (struct disk*) malloc(sizeof *d2);
- if(!d2) err(1,"malloc failed");
- *d2 = *d;
- d2->name = strdup(d2->name);
- d2->chunks = Clone_Chunk(d2->chunks);
- if(d2->bootmgr) {
- d2->bootmgr = malloc(DOSPARTOFF);
- memcpy(d2->bootmgr,d->bootmgr,DOSPARTOFF);
- }
- if(d2->boot1) {
- d2->boot1 = malloc(512);
- memcpy(d2->boot1,d->boot1,512);
- }
- if(d2->boot2) {
- d2->boot2 = malloc(512*15);
- memcpy(d2->boot2,d->boot2,512*15);
- }
- return d2;
-}
-
-#if 0
-void
-Collapse_Disk(struct disk *d)
-{
-
- while(Collapse_Chunk(d,d->chunks))
- ;
-}
-#endif
-
-static char * device_list[] = {"wd","sd",0};
-
-char **
-Disk_Names()
-{
- int i,j,k;
- char disk[25];
- char diskname[25];
- struct stat st;
- struct diskslices ds;
- int fd;
- static char **disks;
-
- disks = malloc(sizeof *disks * (1 + MAX_NO_DISKS));
- memset(disks,0,sizeof *disks * (1 + MAX_NO_DISKS));
- k = 0;
- for (j = 0; device_list[j]; j++) {
- for (i = 0; i < 10; i++) {
- sprintf(diskname, "%s%d", device_list[j], i);
- sprintf(disk, "/dev/r%s", diskname);
- if (stat(disk, &st) || !(st.st_mode & S_IFCHR))
- continue;
- if ((fd = open(disk, O_RDWR)) == -1)
- continue;
- if (ioctl(fd, DIOCGSLICEINFO, &ds) == -1) {
- close(fd);
- continue;
- }
- disks[k++] = strdup(diskname);
- if(k == MAX_NO_DISKS)
- return disks;
- }
- }
- return disks;
-}
-
-void
-Set_Boot_Mgr(struct disk *d, u_char *b)
-{
- if (d->bootmgr)
- free(d->bootmgr);
- if (!b) {
- d->bootmgr = 0;
- } else {
- d->bootmgr = malloc(DOSPARTOFF);
- if(!d->bootmgr) err(1,"malloc failed");
- memcpy(d->bootmgr,b,DOSPARTOFF);
- }
-}
-
-void
-Set_Boot_Blocks(struct disk *d, u_char *b1, u_char *b2)
-{
- if (d->boot1) free(d->boot1);
- d->boot1 = malloc(512);
- if(!d->boot1) err(1,"malloc failed");
- memcpy(d->boot1,b1,512);
- if (d->boot2) free(d->boot2);
- d->boot2 = malloc(15*512);
- if(!d->boot2) err(1,"malloc failed");
- memcpy(d->boot2,b2,15*512);
-}
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-21 14:18:30 +0000