mirror of
https://github.com/MidnightCommander/mc
synced 2025-01-03 18:14:25 +03:00
2000-02-22 Pavel Machek <pavel@artax.karlin.mff.cuni.cz>
* cpio.c: added. Thanx to Jan Hudec <bulb@centrum.cz>, who wrote
it using code from tarfs.
This commit is contained in:
Pavel Machek
parent
63554e21ec
commit
5d240399be
@ -1,3 +1,8 @@
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2000-02-22 Pavel Machek <pavel@artax.karlin.mff.cuni.cz>
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* cpio.c: added. Thanx to Jan Hudec <bulb@centrum.cz>, who wrote
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it using code from tarfs.
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2000-02-21 Pavel Machek <pavel@artax.karlin.mff.cuni.cz>
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* extfs/uzip.in (nam): y2k fixes (workarounds) by
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@ -161,6 +161,7 @@ SAMBA_DIST_UBIQX = \
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NONETFILES = \
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container.o \
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cpio.o \
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direntry.o \
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extfs.o \
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local.o \
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@ -171,6 +172,7 @@ NONETFILES = \
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VFSSRCS = \
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container.c \
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cpio.c \
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direntry.c \
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extfs.c \
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ftpfs.c \
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@ -247,7 +249,7 @@ EXTFSSTUFF = $(EXTFS_MISC) $(EXTFS_CONST) $(EXTFS_IN)
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#
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VFSSOOBJS = tcputil.so fish.so ftpfs.so mcfs.so utilvfs.so local.so vfs.so \
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tar.so sfs.so names.so container.so extfs.so util-alone.so \
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tar.so cpio.so sfs.so names.so container.so extfs.so util-alone.so \
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util.sor utilunix.sor direntry.so
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%.sor: ../src/%.c
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668
vfs/cpio.c
Normal file
668
vfs/cpio.c
Normal file
@ -0,0 +1,668 @@
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/* Virtual File System: GNU Tar file system.
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Copyright (C) 2000 The Free Software Foundation
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Written by: 2000 Jan Hudec
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License
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as published by the Free Software Foundation; either version 2 of
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the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
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#include "xdirentry.h"
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#include "../src/util.h"
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#include <glib.h>
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#include <errno.h>
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#ifdef SCO_FLAVOR
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#include <sys/timeb.h>
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#endif /* SCO_FLAVOR */
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#include <time.h>
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/* #include "utilvfs.h" */
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#include "../src/dialog.h"
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#include "cpio.h"
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#include "names.h"
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enum {
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STATUS_START,
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STATUS_OK,
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STATUS_TRAIL,
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STATUS_FAIL,
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STATUS_EOF,
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};
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enum {
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CPIO_UNKNOWN = 0, /* Not determined yet */
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CPIO_BIN, /* Binary format */
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CPIO_BINRE, /* Binary format, reverse endianity */
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CPIO_OLDC, /* Old ASCII format */
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CPIO_NEWC, /* New ASCII format */
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CPIO_CRC /* New ASCII format + CRC */
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};
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struct old_cpio_header
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{
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unsigned short c_magic;
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short c_dev;
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unsigned short c_ino;
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unsigned short c_mode;
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unsigned short c_uid;
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unsigned short c_gid;
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unsigned short c_nlink;
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short c_rdev;
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unsigned short c_mtimes[2];
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unsigned short c_namesize;
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unsigned short c_filesizes[2];
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};
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struct new_cpio_header
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{
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unsigned short c_magic;
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unsigned long c_ino;
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unsigned long c_mode;
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unsigned long c_uid;
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unsigned long c_gid;
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unsigned long c_nlink;
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unsigned long c_mtime;
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unsigned long c_filesize;
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long c_dev;
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long c_devmin;
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long c_rdev;
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long c_rdevmin;
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unsigned long c_namesize;
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unsigned long c_chksum;
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};
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struct defer_inode {
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struct defer_inode *next;
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unsigned long inumber;
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unsigned short device;
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vfs_s_inode *inode;
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};
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static int cpio_position;
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static int cpio_find_head(vfs *me, vfs_s_super *super);
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static int cpio_read_bin_head(vfs *me, vfs_s_super *super);
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static int cpio_read_oldc_head(vfs *me, vfs_s_super *super);
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static int cpio_read_crc_head(vfs *me, vfs_s_super *super);
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static int cpio_create_entry(vfs *me, vfs_s_super *super, struct stat *stat, char *name);
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static int cpio_read(void *fh, char *buffer, int count);
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#define CPIO_POS(super) cpio_position
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/* #define CPIO_POS(super) (super)->u.cpio.fd /* If some time reentrancy should be needed */
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#define CPIO_SEEK_SET(super, where) mc_lseek((super)->u.cpio.fd, CPIO_POS(super) = (where), SEEK_SET)
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#define CPIO_SEEK_CUR(super, where) mc_lseek((super)->u.cpio.fd, CPIO_POS(super) += (where), SEEK_SET)
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struct defer_inode * defer_find(struct defer_inode *l, struct defer_inode *i)
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{
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if(!l) return NULL;
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return l->inumber == i->inumber && l->device == i->device ? l :
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defer_find(l->next, i);
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}
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static int cpio_skip_padding(vfs_s_super *super)
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{
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switch(super->u.cpio.type) {
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case CPIO_BIN:
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case CPIO_BINRE:
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return CPIO_SEEK_CUR(super, (2 - (CPIO_POS(super) % 2)) % 2);
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case CPIO_NEWC:
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case CPIO_CRC:
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return CPIO_SEEK_CUR(super, (4 - (CPIO_POS(super) % 4)) % 4);
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}
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}
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static void cpio_free_archive(vfs *me, vfs_s_super *super)
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{
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if(super->u.cpio.fd != -1)
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mc_close(super->u.cpio.fd);
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}
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static int cpio_open_cpio_file(vfs *me, vfs_s_super *super, char *name)
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{
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int fd, size, type;
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mode_t mode;
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vfs_s_inode *root;
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if((fd = mc_open(name, O_RDONLY)) == -1) {
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message_2s(1, MSG_ERROR, _("Couldn't open cpio archive\n%s"), name);
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return -1;
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}
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super->name = g_strdup(name);
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super->u.cpio.fd = -1; /* for now */
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mc_stat(name, &(super->u.cpio.stat));
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super->u.cpio.type = CPIO_UNKNOWN;
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size = is_gunzipable(fd, &type);
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if(size > 0) {
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char *s;
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mc_close(fd);
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s = g_strconcat(name, decompress_extension(type), NULL);
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if((fd = mc_open(s, O_RDONLY)) == -1) {
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message_2s(1, MSG_ERROR, _("Couldn't open cpio archive\n%s"), s);
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g_free(s);
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return -1;
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}
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g_free(s);
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}
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super->u.cpio.fd = fd;
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mode = super->u.cpio.stat.st_mode & 07777;
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mode |= (mode & 0444) >> 2; /* set eXec where Read is */
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mode |= S_IFDIR;
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root = vfs_s_new_inode(me, super, &(super->u.cpio.stat));
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root->st.st_mode = mode;
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root->u.cpio.offset = -1;
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root->st.st_nlink++;
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root->st.st_dev = MEDATA->rdev++;
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vfs_s_add_dots(me, root, NULL);
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super->root = root;
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CPIO_SEEK_SET(super, 0);
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return fd;
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}
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static int cpio_read_head(vfs *me, vfs_s_super *super)
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{
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cpio_find_head(me, super);
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switch(super->u.cpio.type) {
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case CPIO_UNKNOWN:
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return -1;
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case CPIO_BIN:
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case CPIO_BINRE:
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return cpio_read_bin_head(me, super);
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case CPIO_OLDC:
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return cpio_read_oldc_head(me, super);
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case CPIO_NEWC:
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case CPIO_CRC:
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return cpio_read_crc_head(me, super);
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default:
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g_assert_not_reached();
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return 42; /* & the compiler is happy :-) */
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}
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}
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#define MAGIC_LENGTH (6) /* How many bytes we have to read ahead */
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#define SEEKBACK CPIO_SEEK_CUR(super, ptr - top)
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#define RETURN(x) return(super->u.cpio.type = (x))
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#define TYPEIS(x) ((super->u.cpio.type == CPIO_UNKNOWN) || (super->u.cpio.type == (x)))
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static int cpio_find_head(vfs *me, vfs_s_super *super)
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{
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char buf[256];
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int ptr = 0;
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int top = 0;
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int tmp;
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top = mc_read(super->u.cpio.fd, buf, 256);
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CPIO_POS(super) += top;
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for(;;) {
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if(ptr + MAGIC_LENGTH >= top) {
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if(top > 128) {
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memmove(buf, buf + top - 128, 128);
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top = 128;
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ptr -= top - 128;
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}
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if((tmp = mc_read(super->u.cpio.fd, buf, top)) == 0 || tmp == -1) {
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message_2s(1, MSG_ERROR, _("Premature end of cpio archive\n%s"), super->name);
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cpio_free_archive(me, super);
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return CPIO_UNKNOWN;
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}
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top += tmp;
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}
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if(TYPEIS(CPIO_BIN) && ((*(unsigned short *)(buf + ptr)) == 070707)) {
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SEEKBACK; RETURN(CPIO_BIN);
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} else if(TYPEIS(CPIO_BINRE) && ((*(unsigned short *)(buf + ptr)) == GUINT16_SWAP_LE_BE_CONSTANT(070707))) {
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SEEKBACK; RETURN(CPIO_BINRE);
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} else if(TYPEIS(CPIO_OLDC) && (!strncmp(buf + ptr, "070707", 6))) {
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SEEKBACK; RETURN(CPIO_OLDC);
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} else if(TYPEIS(CPIO_NEWC) && (!strncmp(buf + ptr, "070701", 6))) {
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SEEKBACK; RETURN(CPIO_NEWC);
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} else if(TYPEIS(CPIO_CRC) && (!strncmp(buf + ptr, "070702", 6))) {
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SEEKBACK; RETURN(CPIO_CRC);
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};
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ptr++;
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}
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}
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#undef RETURN
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#undef SEEKBACK
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#define HEAD_LENGTH (26)
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static int cpio_read_bin_head(vfs *me, vfs_s_super *super)
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{
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struct old_cpio_header buf;
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int len;
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char *name;
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struct stat stat;
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if((len = mc_read(super->u.cpio.fd, (char *)&buf, HEAD_LENGTH)) < HEAD_LENGTH)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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if(super->u.cpio.type == CPIO_BINRE) {
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int i;
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for(i = 0; i < (HEAD_LENGTH >> 1); i++)
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((short *)&buf)[i] = GUINT16_SWAP_LE_BE(((short *)&buf)[i]);
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}
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g_assert(buf.c_magic == 070707);
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name = g_malloc(buf.c_namesize);
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if((len = mc_read(super->u.cpio.fd, name, buf.c_namesize)) < buf.c_namesize)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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cpio_skip_padding(super);
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if(!strcmp("TRAILER!!!", name)) { /* We got to the last record */
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g_free(name);
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return STATUS_TRAIL;
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}
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stat.st_dev = buf.c_dev;
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stat.st_ino = buf.c_ino;
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stat.st_mode = buf.c_mode;
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stat.st_nlink = buf.c_nlink;
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stat.st_uid = buf.c_uid;
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stat.st_gid = buf.c_gid;
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stat.st_rdev = buf.c_rdev;
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stat.st_size = (buf.c_filesizes[0] << 16) | buf.c_filesizes[1];
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stat.st_atime = stat.st_mtime = stat.st_ctime = (buf.c_mtimes[0] << 16) | buf.c_mtimes[1];
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return cpio_create_entry(me, super, &stat, name);
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}
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#undef HEAD_LENGTH
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#define HEAD_LENGTH (76)
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static int cpio_read_oldc_head(vfs *me, vfs_s_super *super)
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{
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struct new_cpio_header hd;
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struct stat stat;
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char *buf[HEAD_LENGTH + 1];
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int len;
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char *name;
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if((len = mc_read(super->u.cpio.fd, (void *)buf, HEAD_LENGTH)) < HEAD_LENGTH)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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buf[HEAD_LENGTH + 1] = 0;
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if(sscanf((void *)buf, "070707%6lo%6lo%6lo%6lo%6lo%6lo%6lo%11lo%6lo%11lo",
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&hd.c_dev, &hd.c_ino, &hd.c_mode, &hd.c_uid, &hd.c_gid,
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&hd.c_nlink, &hd.c_rdev, &hd.c_mtime,
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&hd.c_namesize, &hd.c_filesize) < 10) {
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message_2s(1, MSG_ERROR, _("Corrupt cpio header encountered in\n%s"), super->name);
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return STATUS_FAIL;
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}
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name = g_malloc(hd.c_namesize);
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if((len = mc_read(super->u.cpio.fd, name, hd.c_namesize)) < hd.c_namesize)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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cpio_skip_padding(super);
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if(!strcmp("TRAILER!!!", name)) { /* We got to the last record */
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g_free(name);
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return STATUS_TRAIL;
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}
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stat.st_dev = hd.c_dev;
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stat.st_ino = hd.c_ino;
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stat.st_mode = hd.c_mode;
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stat.st_nlink = hd.c_nlink;
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stat.st_uid = hd.c_uid;
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stat.st_gid = hd.c_gid;
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stat.st_rdev = hd.c_rdev;
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stat.st_size = hd.c_filesize;
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stat.st_atime = stat.st_mtime = stat.st_ctime = hd.c_mtime;
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return cpio_create_entry(me, super, &stat, name);
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}
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#undef HEAD_LENGTH
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#define HEAD_LENGTH (110)
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static int cpio_read_crc_head(vfs *me, vfs_s_super *super)
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{
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struct new_cpio_header hd;
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struct stat stat;
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char buf[HEAD_LENGTH + 1];
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int len;
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char *name;
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if((len = mc_read(super->u.cpio.fd, buf, HEAD_LENGTH)) < HEAD_LENGTH)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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buf[HEAD_LENGTH + 1] = 0;
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if(sscanf(buf, "%6ho%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx%8lx",
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&hd.c_magic, &hd.c_ino, &hd.c_mode, &hd.c_uid, &hd.c_gid,
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&hd.c_nlink, &hd.c_mtime, &hd.c_filesize,
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&hd.c_dev, &hd.c_devmin, &hd.c_rdev, &hd.c_rdevmin,
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&hd.c_namesize, &hd.c_chksum) < 14) {
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message_2s(1, MSG_ERROR, _("Corrupt cpio header encountered in\n%s"), super->name);
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return STATUS_FAIL;
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}
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if((super->u.cpio.type == CPIO_NEWC && hd.c_magic != 070701) ||
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(super->u.cpio.type == CPIO_CRC && hd.c_magic != 070702))
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return STATUS_FAIL;
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name = g_malloc(hd.c_namesize);
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if((len = mc_read(super->u.cpio.fd, name, hd.c_namesize)) < hd.c_namesize)
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return STATUS_EOF;
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CPIO_POS(super) += len;
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cpio_skip_padding(super);
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if(!strcmp("TRAILER!!!", name)) { /* We got to the last record */
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g_free(name);
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return STATUS_TRAIL;
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}
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stat.st_dev = (hd.c_dev << 8) + hd.c_devmin;
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stat.st_ino = hd.c_ino;
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stat.st_mode = hd.c_mode;
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stat.st_nlink = hd.c_nlink;
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stat.st_uid = hd.c_uid;
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stat.st_gid = hd.c_gid;
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stat.st_rdev = (hd.c_rdev << 8) + hd.c_rdevmin;
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stat.st_size = hd.c_filesize;
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stat.st_atime = stat.st_mtime = stat.st_ctime = hd.c_mtime;
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return cpio_create_entry(me, super, &stat, name);
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}
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|
||||
static int cpio_create_entry(vfs *me, vfs_s_super *super, struct stat *stat, char *name)
|
||||
{
|
||||
vfs_s_inode *inode = NULL;
|
||||
vfs_s_inode *root = super->root;
|
||||
vfs_s_entry *entry = NULL;
|
||||
char *tn;
|
||||
|
||||
switch (stat->st_mode & S_IFMT) { /* For case of HP/UX archives */
|
||||
case S_IFCHR:
|
||||
case S_IFBLK:
|
||||
#ifdef S_IFSOCK
|
||||
case S_IFSOCK:
|
||||
#endif
|
||||
#ifdef S_IFIFO
|
||||
case S_IFIFO:
|
||||
#endif
|
||||
if((stat->st_size != 0) &&
|
||||
(stat->st_rdev == 0x0001)) {
|
||||
stat->st_rdev = (unsigned) stat->st_size;
|
||||
stat->st_size = 0;
|
||||
}
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
}
|
||||
|
||||
if((stat->st_nlink > 1) &&
|
||||
(super->u.cpio.type == CPIO_NEWC ||
|
||||
super->u.cpio.type == CPIO_CRC)) { /* For case of harlinked files */
|
||||
struct defer_inode i, *l;
|
||||
i.inumber = stat->st_ino;
|
||||
i.device = stat->st_dev;
|
||||
i.inode = NULL;
|
||||
if((l = defer_find(super->u.cpio.defered, &i)) != NULL) {
|
||||
inode = l->inode;
|
||||
if(inode->st.st_size && stat->st_size && (inode->st.st_size != stat->st_size)) {
|
||||
message_3s(1, MSG_ERROR, "Inconsistent hardlinks of\n%s\nin cpio archive\n%s",
|
||||
name, super->name);
|
||||
inode = NULL;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
while(name[strlen(name)-1] == PATH_SEP) name[strlen(name)-1] = 0;
|
||||
if((tn = strrchr(name, PATH_SEP))) {
|
||||
*tn = 0;
|
||||
root = vfs_s_find_inode(me, root, name, LINK_FOLLOW, FL_MKDIR); /* CHECKME! What function here? */
|
||||
*tn = PATH_SEP;
|
||||
tn++;
|
||||
} else
|
||||
tn = name;
|
||||
|
||||
entry = vfs_s_find_entry_tree(me, root, tn, LINK_FOLLOW, FL_NONE); /* In case entry is already there */
|
||||
|
||||
if(entry) { /* This shouldn't happen! (well, it can happen if there is a record for a
|
||||
file and than a record for a directory it is in; cpio would die with
|
||||
'No such file or directory' is such case) */
|
||||
|
||||
if(!S_ISDIR(entry->ino->st.st_mode)) { /* This can be considered archive inconsistency */
|
||||
message_2s(1, MSG_ERROR, _("%s contains duplicit entries! Skiping!"), super->name);
|
||||
} else {
|
||||
entry->ino->st.st_mode = stat->st_mode;
|
||||
entry->ino->st.st_uid = stat->st_uid;
|
||||
entry->ino->st.st_gid = stat->st_gid;
|
||||
entry->ino->st.st_atime = stat->st_atime;
|
||||
entry->ino->st.st_mtime = stat->st_mtime;
|
||||
entry->ino->st.st_ctime = stat->st_ctime;
|
||||
}
|
||||
|
||||
} else { /* !entry */
|
||||
|
||||
if(!inode) {
|
||||
inode = vfs_s_new_inode(me, super, stat);
|
||||
if((stat->st_nlink > 0) &&
|
||||
(super->u.cpio.type == CPIO_NEWC ||
|
||||
super->u.cpio.type == CPIO_CRC)) { /* For case of hardlinked files */
|
||||
struct defer_inode *i;
|
||||
i = g_new(struct defer_inode, 1);
|
||||
i->inumber = stat->st_ino;
|
||||
i->device = stat->st_dev;
|
||||
i->inode = inode;
|
||||
i->next = super->u.cpio.defered;
|
||||
super->u.cpio.defered = i;
|
||||
}
|
||||
}
|
||||
|
||||
if(stat->st_size)
|
||||
inode->u.cpio.offset = CPIO_POS(super);
|
||||
|
||||
entry = vfs_s_new_entry(me, tn, inode);
|
||||
vfs_s_insert_entry(me, root, entry);
|
||||
|
||||
if(S_ISDIR(stat->st_mode))
|
||||
vfs_s_add_dots(me, inode, root);
|
||||
|
||||
if(S_ISLNK(stat->st_mode)) {
|
||||
inode->linkname = g_malloc(stat->st_size + 1);
|
||||
if(mc_read(super->u.cpio.fd, inode->linkname, stat->st_size) < stat->st_size) {
|
||||
inode->linkname[0] = 0;
|
||||
return STATUS_EOF;
|
||||
}
|
||||
inode->linkname[stat->st_size] = 0; /* Linkname stored without terminating \0 !!! */
|
||||
cpio_skip_padding(super);
|
||||
} else {
|
||||
CPIO_SEEK_CUR(super, stat->st_size);
|
||||
}
|
||||
|
||||
} /* !entry */
|
||||
|
||||
return STATUS_OK;
|
||||
}
|
||||
|
||||
/* Need to CPIO_SEEK_CUR to skip the file at the end of add entry!!!! */
|
||||
|
||||
static int cpio_open_archive(vfs *me, vfs_s_super *super, char *name, char *op)
|
||||
{
|
||||
int status = STATUS_START;
|
||||
|
||||
if(cpio_open_cpio_file(me, super, name) == -1)
|
||||
return -1;
|
||||
|
||||
for(;;) {
|
||||
status = cpio_read_head(me, super);
|
||||
|
||||
switch(status) {
|
||||
case STATUS_EOF:
|
||||
message_2s(1, MSG_ERROR, "Unexpected end of file\n%s", name);
|
||||
return 0;
|
||||
case STATUS_OK:
|
||||
continue;
|
||||
case STATUS_TRAIL:
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
/* Remaining functions are exactly same as for tarfs (and were in fact just copied) */
|
||||
void *cpio_super_check(vfs *me, char *archive_name, char *op)
|
||||
{
|
||||
static struct stat sb;
|
||||
if(mc_stat(archive_name, &sb))
|
||||
return NULL;
|
||||
return &sb;
|
||||
}
|
||||
|
||||
int cpio_super_same(vfs *me, struct vfs_s_super *parc, char *archive_name, char *op, void *cookie)
|
||||
{
|
||||
struct stat *archive_stat = cookie; /* stat of main archive */
|
||||
|
||||
if(strcmp(parc->name, archive_name)) return 0;
|
||||
|
||||
if(vfs_uid && (!(archive_stat->st_mode & 0004)))
|
||||
if((archive_stat->st_gid != vfs_gid) || !(archive_stat->st_mode & 0040))
|
||||
if((archive_stat->st_uid != vfs_uid) || !(archive_stat->st_mode & 0400))
|
||||
return 0;
|
||||
/* Has the cached archive been changed on the disk? */
|
||||
if(parc->u.cpio.stat.st_mtime < archive_stat->st_mtime) { /* Yes, reload! */
|
||||
(*vfs_cpiofs_ops.free) ((vfsid) parc);
|
||||
vfs_rmstamp (&vfs_cpiofs_ops, (vfsid) parc, 0);
|
||||
return 2;
|
||||
}
|
||||
/* Hasn't been modified, give it a new timeout */
|
||||
vfs_stamp (&vfs_cpiofs_ops, (vfsid) parc);
|
||||
return 1;
|
||||
}
|
||||
|
||||
static int cpio_read(void *fh, char *buffer, int count)
|
||||
{
|
||||
off_t begin = FH->ino->u.tar.data_offset;
|
||||
int fd = FH_SUPER->u.tar.fd;
|
||||
vfs *me = FH_SUPER->me;
|
||||
|
||||
if (mc_lseek (fd, begin + FH->pos, SEEK_SET) !=
|
||||
begin + FH->pos) ERRNOR (EIO, -1);
|
||||
|
||||
count = MIN(count, FH->ino->st.st_size - FH->pos);
|
||||
|
||||
if ((count = mc_read (fd, buffer, count)) == -1) ERRNOR (errno, -1);
|
||||
|
||||
FH->pos += count;
|
||||
return count;
|
||||
}
|
||||
|
||||
static void cpio_ungetlocalcopy(vfs *me, char *path, char *local, int has_changed)
|
||||
{
|
||||
/* We do just nothing. (We are read only and do not need to free local,
|
||||
since it will be freed when tar archive will be freed */
|
||||
}
|
||||
|
||||
static int cpio_fh_open(vfs *me, vfs_s_fh *fh, int flags, int mode)
|
||||
{
|
||||
if ((flags & O_ACCMODE) != O_RDONLY) ERRNOR (EROFS, -1);
|
||||
return 0;
|
||||
}
|
||||
|
||||
static struct vfs_s_data cpiofs_data = {
|
||||
NULL,
|
||||
0,
|
||||
0,
|
||||
NULL,
|
||||
|
||||
NULL, /* init inode */
|
||||
NULL, /* free inode */
|
||||
NULL, /* init entry */
|
||||
|
||||
cpio_super_check,
|
||||
cpio_super_same,
|
||||
cpio_open_archive,
|
||||
cpio_free_archive,
|
||||
|
||||
cpio_fh_open,
|
||||
NULL,
|
||||
|
||||
vfs_s_find_entry_tree,
|
||||
NULL,
|
||||
NULL
|
||||
/* ??? */
|
||||
};
|
||||
|
||||
vfs vfs_cpiofs_ops = {
|
||||
NULL, /* next pointer */
|
||||
"CPIO dearchiver",
|
||||
0, /* flags */
|
||||
"ucpio", /* prefix */
|
||||
&cpiofs_data, /* vfs_s_data */
|
||||
0, /* errno */
|
||||
|
||||
NULL,
|
||||
NULL,
|
||||
vfs_s_fill_names,
|
||||
|
||||
NULL,
|
||||
|
||||
vfs_s_open,
|
||||
vfs_s_close,
|
||||
cpio_read,
|
||||
NULL,
|
||||
|
||||
vfs_s_opendir,
|
||||
vfs_s_readdir,
|
||||
vfs_s_closedir,
|
||||
vfs_s_telldir,
|
||||
vfs_s_seekdir,
|
||||
|
||||
vfs_s_stat,
|
||||
vfs_s_lstat,
|
||||
vfs_s_fstat,
|
||||
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
|
||||
vfs_s_readlink,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
|
||||
NULL,
|
||||
vfs_s_chdir,
|
||||
vfs_s_ferrno,
|
||||
vfs_s_lseek,
|
||||
NULL,
|
||||
|
||||
vfs_s_getid,
|
||||
vfs_s_nothingisopen,
|
||||
vfs_s_free,
|
||||
|
||||
vfs_s_getlocalcopy,
|
||||
cpio_ungetlocalcopy,
|
||||
|
||||
NULL,
|
||||
NULL,
|
||||
NULL,
|
||||
NULL
|
||||
|
||||
MMAPNULL
|
||||
};
|
||||
@ -13,7 +13,7 @@ uarj
|
||||
uar
|
||||
|
||||
# cpio archiver (unix)
|
||||
ucpio
|
||||
# ucpio
|
||||
|
||||
# Packages from popular Linux distributions
|
||||
rpm
|
||||
|
||||
@ -104,7 +104,8 @@ mcrpmfs_list ()
|
||||
echo "$FILEPREF 0 $DATE INFO/CHANGELOG"
|
||||
fi
|
||||
|
||||
rpm -qlvp "$1" | sed -e 's/^\(..........\)[-t]* /\1 1 /'
|
||||
# rpm -qlvp "$1" | sed -e 's/^\(..........\)[-t]* /\1 1 /'
|
||||
echo "$FILEPREF 0 $DATE CONTENTS.cpio"
|
||||
}
|
||||
|
||||
mcrpmfs_copyout ()
|
||||
@ -139,14 +140,7 @@ mcrpmfs_copyout ()
|
||||
INFO/OS) rpm -qp --qf "%{OS}\n" "$1" > "$3"; exit 0;;
|
||||
INFO/CHANGELOG) rpm -qp --qf "[* %{CHANGELOGTIME:date} %{CHANGELOGNAME}\n%{CHANGELOGTEXT}\n\n]\n" "$1" > "$3"; exit 0;;
|
||||
INFO/SIZE) rpm -qp --qf "%{SIZE} bytes\n" "$1" > "$3"; exit 0;;
|
||||
*)
|
||||
TMPDIR=/tmp/mctmpdir.$$
|
||||
mkdir $TMPDIR || exit 1
|
||||
cd $TMPDIR
|
||||
rpm2cpio "$1" | cpio -iumd --quiet "$2" >/dev/null
|
||||
mv "$2" "$3"
|
||||
cd /
|
||||
rm -rf $TMPDIR;;
|
||||
CONTENTS.cpio) rpm2cpio "$1" > "$3"; exit 0;;
|
||||
esac
|
||||
}
|
||||
|
||||
|
||||
@ -937,6 +937,12 @@ vfs_current_is_tarfs (void)
|
||||
{
|
||||
return current_vfs == &vfs_tarfs_ops;
|
||||
}
|
||||
|
||||
int
|
||||
vfs_current_is_cpiofs (void)
|
||||
{
|
||||
return current_vfs == &vfs_cpiofs_ops;
|
||||
}
|
||||
#endif
|
||||
|
||||
int
|
||||
@ -1252,6 +1258,7 @@ vfs_init (void)
|
||||
vfs_register (&vfs_extfs_ops);
|
||||
vfs_register (&vfs_sfs_ops);
|
||||
vfs_register (&vfs_tarfs_ops);
|
||||
vfs_register (&vfs_cpiofs_ops);
|
||||
|
||||
#ifdef USE_EXT2FSLIB
|
||||
vfs_register (&vfs_undelfs_ops);
|
||||
|
||||
@ -127,6 +127,7 @@ struct utimbuf {
|
||||
/* Other file systems */
|
||||
extern vfs vfs_local_ops;
|
||||
extern vfs vfs_tarfs_ops;
|
||||
extern vfs vfs_cpiofs_ops;
|
||||
|
||||
extern vfs vfs_ftpfs_ops;
|
||||
extern vfs vfs_smbfs_ops;
|
||||
@ -162,6 +163,7 @@ struct utimbuf {
|
||||
#if 0
|
||||
int vfs_current_is_extfs (void);
|
||||
int vfs_current_is_tarfs (void);
|
||||
int vfs_current_is_cpiofs (void);
|
||||
#endif
|
||||
int vfs_file_is_local (char *name);
|
||||
int vfs_file_is_ftp (char *filename);
|
||||
@ -249,6 +251,7 @@ struct utimbuf {
|
||||
# define vfs_file_is_ftp(x) 0
|
||||
# define vfs_file_is_smb(x) 0
|
||||
# define vfs_current_is_tarfs() 0
|
||||
# define vfs_current_is_cpiofs() 0
|
||||
# define vfs_current_is_extfs() 0
|
||||
# define vfs_path(x) x
|
||||
# define vfs_strip_suffix_from_filename(x) g_strdup(x)
|
||||
|
||||
@ -59,6 +59,9 @@ typedef struct vfs_s_inode {
|
||||
struct {
|
||||
long data_offset;
|
||||
} tar;
|
||||
struct {
|
||||
long offset;
|
||||
} cpio;
|
||||
struct {
|
||||
struct timeval timestamp;
|
||||
struct stat local_stat;
|
||||
@ -116,6 +119,13 @@ typedef struct vfs_s_super {
|
||||
#define RFC_DARING 1
|
||||
#define RFC_STRICT 2
|
||||
} ftp;
|
||||
struct {
|
||||
int fd;
|
||||
struct stat stat;
|
||||
int type; /* Type of the archive */
|
||||
/* int pos; /* In case reentrancy will be needed */
|
||||
struct defer_inode *defered; /* List of inodes for which another entries may appear */
|
||||
} cpio;
|
||||
} u;
|
||||
int magic;
|
||||
#define SUPER_MAGIC 0x915ac312
|
||||
|
||||
Loading…
Reference in New Issue
Block a user