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authorMystery Man <unknown@mandriva.org>2002-07-23 11:21:56 +0000
committerMystery Man <unknown@mandriva.org>2002-07-23 11:21:56 +0000
commit0a94f3feb8d7841fe8212febcbbdac1073413e05 (patch)
tree09f4686118e32ec13377577bbbd0f08e8120836c /mdk-stage1/lomount.c
parent127a73d935d78af53d3dadd05d4636f6b717976d (diff)
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This commit was manufactured by cvs2svn to create tag 'V1_1_8_14mdk'.V1_1_8_14mdk
Diffstat (limited to 'mdk-stage1/lomount.c')
-rw-r--r--mdk-stage1/lomount.c171
1 files changed, 0 insertions, 171 deletions
diff --git a/mdk-stage1/lomount.c b/mdk-stage1/lomount.c
deleted file mode 100644
index 991a862c7..000000000
--- a/mdk-stage1/lomount.c
+++ /dev/null
@@ -1,171 +0,0 @@
-/*
- * 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.
- *
- */
-
-/* This code comes from util-linux-2.10n (mount/lomount.c)
- * (this is a simplified version of this code)
- */
-
-#include <sys/types.h>
-#include <sys/mount.h>
-#include <sys/ioctl.h>
-#include <sys/mount.h>
-#include <errno.h>
-#include <fcntl.h>
-#include <stdio.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "stage1.h"
-#include "frontend.h"
-#include "log.h"
-#include "mount.h"
-#include "modules.h"
-
-#include "lomount.h"
-
-
-#define LO_NAME_SIZE 64
-#define LO_KEY_SIZE 32
-
-struct loop_info
-{
- int lo_number; /* ioctl r/o */
- dev_t lo_device; /* ioctl r/o */
- unsigned long lo_inode; /* ioctl r/o */
- dev_t lo_rdevice; /* ioctl r/o */
- int lo_offset;
- int lo_encrypt_type;
- int lo_encrypt_key_size; /* ioctl w/o */
- int lo_flags; /* ioctl r/o */
- char lo_name[LO_NAME_SIZE];
- unsigned char lo_encrypt_key[LO_KEY_SIZE]; /* ioctl w/o */
- unsigned long lo_init[2];
- char reserved[4];
-};
-
-#define LOOP_SET_FD 0x4C00
-#define LOOP_CLR_FD 0x4C01
-#define LOOP_SET_STATUS 0x4C02
-#define LOOP_GET_STATUS 0x4C03
-
-int
-set_loop (const char *device, const char *file)
-{
- struct loop_info loopinfo;
- int fd, ffd, mode;
-
- mode = O_RDONLY;
-
- if ((ffd = open (file, mode)) < 0)
- return 1;
-
- if ((fd = open (device, mode)) < 0) {
- close(ffd);
- return 1;
- }
-
- memset(&loopinfo, 0, sizeof (loopinfo));
- strncpy(loopinfo.lo_name, file, LO_NAME_SIZE);
- loopinfo.lo_name[LO_NAME_SIZE - 1] = 0;
- loopinfo.lo_offset = 0;
-
-#ifdef MCL_FUTURE
- /*
- * Oh-oh, sensitive data coming up. Better lock into memory to prevent
- * passwd etc being swapped out and left somewhere on disk.
- */
-
- if(mlockall(MCL_CURRENT|MCL_FUTURE)) {
- log_message("CRITICAL Couldn't lock into memory! %s (memlock)", strerror(errno));
- return 1;
- }
-#endif
-
- if (ioctl(fd, LOOP_SET_FD, ffd) < 0) {
- close(fd);
- close(ffd);
- return 1;
- }
-
- if (ioctl(fd, LOOP_SET_STATUS, &loopinfo) < 0) {
- (void) ioctl (fd, LOOP_CLR_FD, 0);
- close(fd);
- close(ffd);
- return 1;
- }
-
- close(fd);
- close(ffd);
- return 0;
-}
-
-
-char * loopdev = "/dev/loop3"; /* Ugly. But do I care? */
-
-void
-del_loop(void)
-{
- int fd;
-
- if ((fd = open (loopdev, O_RDONLY)) < 0)
- return;
-
- if (ioctl (fd, LOOP_CLR_FD, 0) < 0)
- return;
-
- close (fd);
-}
-
-
-static char * where_mounted = NULL;
-
-int
-lomount(char *loopfile, char *where)
-{
-
- long int flag;
-
- flag = MS_MGC_VAL;
- flag |= MS_RDONLY;
-
- my_insmod("loop", ANY_DRIVER_TYPE, NULL);
-
- if (set_loop(loopdev, loopfile)) {
- log_message("set_loop failed on %s (%s)", loopdev, strerror(errno));
- return 1;
- }
-
- if (my_mount(loopdev, where, "iso9660", 0)) {
- del_loop();
- return 1;
- }
-
- where_mounted = strdup(where);
- log_message("lomount succeeded for %s on %s", loopfile, where);
- return 0;
-}
-
-
-int
-loumount()
-{
- if (where_mounted) {
- umount(where_mounted);
- where_mounted = NULL;
- }
- del_loop();
- return 0;
-}
-
-