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Author SHA1 Message Date
d0p1 🏳️‍⚧️ 8ad9864c38 chore: sync repo 2024-08-27 10:39:09 +02:00
d0p1 🏳️‍⚧️ 5861542ef8 fix: linux build 2024-08-24 07:30:18 +02:00
11 changed files with 162 additions and 86 deletions

3
.gitignore vendored
View file

@ -45,4 +45,5 @@ config.sub
*~
hdd
config.h
*.guess
*.guess
inspect.stpd

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@ -1,5 +1,5 @@
AM_CFLAGS = $(FUSE_CFLAGS) -I$(top_srcdir)/lib -I$(top_srcdir)/include -I$(top_srcdir)
LDADD = $(FUSE_LIBS) ../lib/libstpdfs.a
LDADD = $(FUSE_LIBS) ../libfs/libfs.a
bin_PROGRAMS = stpdfs-fuse

View file

@ -1,4 +1,3 @@
#include "stpdfs.h"
#include <fcntl.h>
#include <stdlib.h>
#include <stddef.h>
@ -6,6 +5,7 @@
#include <string.h>
#include <time.h>
#include <unistd.h>
#include <libfs/fs.h>
#define FUSE_USE_VERSION 31
#include <fuse.h>
@ -38,6 +38,8 @@ static struct options {
int show_version;
} options;
static struct fs_super super;
#define OPTION(t, p) { t, offsetof(struct options, p), 1 }
static const struct fuse_opt option_spec[] = {
@ -54,62 +56,43 @@ static void *
fuse_stpdfs_init(struct fuse_conn_info *conn,
struct fuse_config *config)
{
struct stpdfs_sb sb;
(void)conn;
(void)config;
fd = open(options.filename, O_RDWR);
if (fd < 0)
{
perror(options.filename);
exit(EXIT_FAILURE);
}
stpdfs_read(fd, 1, &sb, sizeof(struct stpdfs_sb));
if (fs_super_open(&super, options.filename) != 0)
{
exit(EXIT_FAILURE);
}
return (NULL);
}
static void
fuse_stpdfs_destroy(void *data)
{
struct stpdfs_sb sb;
stpdfs_read(fd, 1, &sb, sizeof(struct stpdfs_sb)),
sb.state = STPDFS_CLEANLY_UNMOUNTED;
sb.time = time(NULL);
stpdfs_write(fd, 1, &sb, sizeof(struct stpdfs_sb));
close(fd);
fs_super_kill(&super);
}
static int
fuse_stpdfs_getattr(const char *path, struct stat *stbuf,
struct fuse_file_info *fi)
{
struct stpdfs_inode inodes[STPDFS_INODES_PER_BLOCK];
struct stpdfs_inode inode;
size_t idx;
uint32_t ino;
struct fs_inode *ip;
char *p = strtok(path, "/");
stpdfs_read(fd, 2, &inodes, sizeof(struct stpdfs_inode) * STPDFS_INODES_PER_BLOCK);
inode = inodes[1];
ip = fs_inode_get(&super, STPDFS_ROOTINO);
if (ip == NULL)
{
return (-1);
}
if (p != NULL)
{
// todo
}
if (ip->valid == 0)
{
fs_inode_read(ip);
}
stbuf->st_atim.tv_sec = inode.actime;
stbuf->st_mtim.tv_sec = inode.modtime;
stbuf->st_size = inode.size;
stbuf->st_mode = inode.mode;
stbuf->st_gid = inode.gid;
stbuf->st_uid = inode.uid;
stbuf->st_nlink = inode.nlink;
stbuf->st_atim.tv_sec = ip->inode.actime;
stbuf->st_mtim.tv_sec = ip->inode.modtime;
stbuf->st_size = ip->inode.size;
stbuf->st_mode = ip->inode.mode;
stbuf->st_gid = ip->inode.gid;
stbuf->st_uid = ip->inode.uid;
stbuf->st_nlink = ip->inode.nlink;
return (0);
}

View file

@ -65,7 +65,73 @@ fs_dir_link(struct fs_inode *dp, const char *name, uint32_t inum)
{
return (-1);
}
fs_inode_update(dp);
ip = fs_inode_get(dp->super, inum);
if (ip->valid == 0)
{
fs_inode_read(ip);
}
ip->inode.nlink += 1;
fs_inode_update(ip);
fs_inode_release(ip);
return (0);
}
int
fs_dir_unlink(struct fs_inode *dp, const char *name)
{
int offset;
struct fs_inode *ip;
struct stpdfs_dirent dirent;
ip = fs_dir_lookup(dp, name, 0);
if (ip == NULL)
{
return (-1);
}
ip->inode.nlink -= 1;
fs_inode_update(ip);
fs_inode_release(ip);
for (offset = 0; offset < dp->inode.size; offset += STPDFS_DIRENT_SIZE)
{
fs_read(dp, (uint8_t *)&dirent, offset, STPDFS_DIRENT_SIZE);
if (strncmp(dirent.filename, name, STPDFS_NAME_MAX) == 0)
{
memset(dirent.filename, 0, STPDFS_NAME_MAX);
dirent.inode = 0;
fs_write(dp, (uint8_t *)&dirent, offset, STPDFS_DIRENT_SIZE);
break;
}
}
}
int
fs_mkdir(struct fs_inode *dp, const char *name)
{
struct fs_inode *ndp;
if (!(dp->inode.mode & STPDFS_S_IFDIR))
{
return (-1);
}
ndp = fs_inode_alloc(dp->super);
if (ndp == NULL)
{
return (-1);
}
ndp->inode.mode |= STPDFS_S_IFDIR;
fs_dir_link(ndp, ".", ndp->inum);
fs_dir_link(ndp, "..", dp->inum);
fs_dir_link(dp, name, ndp->inum);
return (0);
}

View file

@ -5,12 +5,13 @@
# include "inode.h"
struct fs_dir {
char name[STPDFS_NAME_MAX];
uint32_t inum;
struct fs_inode *dp;
int offset;
};
struct fs_inode *fs_dir_lookup(struct fs_inode *dp, const char *name, size_t *offset);
int fs_dir_link(struct fs_inode *dp, const char *name, uint32_t inum);
int fs_dir_unlink(struct fs_inode *dp, const char *name);
int fs_mkdir(struct fs_inode *dp, const char *name);
#endif /* !FS_DIR_H */
#endif /* !FS_DIR_H */

View file

@ -71,7 +71,7 @@ fs_inode_read(struct fs_inode *ip)
buff = fs_bio_bread(ip->super->fd, IBLOCK(ip->inum));
if (buff == NULL) return (NULL);
dinode = (struct stpdfs_inode *)buff->data + ip->inum % STPDFS_INODES_PER_BLOCK;;
dinode = (struct stpdfs_inode *)buff->data + ip->inum % STPDFS_INODES_PER_BLOCK;
memcpy(&ip->inode, dinode, sizeof(struct stpdfs_inode));
fs_bio_brelse(buff);
@ -145,4 +145,4 @@ fs_inode_stat(struct fs_inode *ip, struct stat *st)
st->st_uid = ip->inode.uid;
return (0);
}
}

View file

@ -40,8 +40,11 @@ int
fs_super_open(struct fs_super *super, const char *fname)
{
struct fs_buffer *buff;
#ifdef _WIN32
super->fd = open(fname, O_RDWR | O_BINARY);
#else
super->fd = open(fname, O_RDWR);
#endif
if (super->fd < 0)
{
perror(fname);
@ -88,4 +91,4 @@ fs_super_kill(struct fs_super *super)
end:
close(super->fd);
return (ret);
}
}

View file

@ -34,7 +34,6 @@ static struct option long_options[] = {
};
#endif /* HAVE_STRUCT_OPTION */
static int
inspect(void)
{
@ -202,4 +201,4 @@ main(int argc, char **argv)
device = argv[optind];
return (inspect());
}
}

View file

@ -11,11 +11,11 @@
LF equ 0xA
struc inode
.mode: resb 1
.nlink: resb 1
.uid: resb 1
.gid: resb 1
.flags: resb 1
.mode: resw 1
.nlink: resw 1
.uid: resw 1
.gid: resw 1
.flags: resw 1
.size: resd 1
.zones: resd 10
.actime: resq 1
@ -75,7 +75,7 @@ start:
jc .reset_disk
; read superblock
mov ax, DISK_BUFFER/10
mov ax, DISK_BUFFER
mov es, ax
; load two sector in memory
@ -84,7 +84,7 @@ start:
mov cx, 2
xor bx, bx
call disk_read_sectors
mov dword eax, [DISK_BUFFER]
cmp eax, STPDFS_MAGIC
jne .err_magic
@ -92,29 +92,46 @@ start:
; inode 0 bad
; inode 1 root dir
; inode 2 is loader, let's keep things easy
mov ax, word [DISK_BUFFER + 34 * 2 + inode.flags]
mov ax, word [DISK_BUFFER + 512 + 0x46 * 2 + inode.flags]
and ax, INODE_ALLOCATED
jz .err_no_loader
mov dword eax, [DISK_BUFFER + 34 * 2 + inode.size] ; size
mov dword eax, [DISK_BUFFER + 512 + 0x46 * 2 + inode.size] ; size
mov dword [uFsize], eax
xor ecx, ecx
.read_loop:
xchg bx, bx
xor ecx, ecx
xor edx, edx
mov eax, DISK_BUFFER + 0x46 * 2 + inode.zone ; first zone
.read_loop:
cmp dword ecx, [uFsize]
jg .all_read
.zone_loop:
cmp edx, 7
jb .zone_direct
.zone_triple:
.zone_double:
.zone_indirect:
.zone_direct:
mov eax, edx
shr eax, 2
add eax, DISK_BUFFER + 0x46 + 2 + inode.zone
inc edx
.end_zone:
add ecx, BLOCK_SIZE
jmp .read_loop
.all_read:
mov eax, DISK_BUFFER + 34 * 2 + 14 ; first zone
mov ax, LOADER_BASE/10
mov es, ax
jmp 0x0:LOADER_BASE
.err_no_loader:
mov si, szErrorNoLoader
call bios_print
@ -149,11 +166,12 @@ disk_read_sectors:
mov word [disk_packet.sectors], cx
mov word [disk_packet.segment], es
mov word [disk_packet.offset], bx
mov dword [disk_packet.lba], eax
mov si, [disk_packet]
mov dl, [bpb.drive_num]
mov dword [disk_packet.lba], eax
mov si, disk_packet
mov dl, [bpb.drive_num]
mov ah, 0x42
int 0x13
jc start.err_lba
ret
disk_packet:
@ -170,4 +188,4 @@ disk_packet:
dd 0
times 510-($-$$) db 0
dw 0xAA55
dw 0xAA55

View file

@ -80,8 +80,11 @@ create_create_super(struct fs_super *super)
perror(device);
return (-1);
}
#ifdef _WIN32
super->fd = open(device, O_RDWR | O_BINARY);
#else
super->fd = open(device, O_RDWR);
#endif
if (super->fd < 0)
{
perror(device);

View file

@ -1,8 +1,3 @@
#include "libfs/dir.h"
#include "libfs/fs.h"
#include "libfs/inode.h"
#include "libfs/super.h"
#include "stupidfs.h"
#include <stdio.h>
#include <stdlib.h>
#include <sys/stat.h>
@ -16,6 +11,8 @@
#ifdef HAVE_GETOPT_H
# include <getopt.h>
#endif /* HAVE_GETOPT_H */
# include <stupidfs.h>
# include "libfs/fs.h"
#ifdef HAVE_STRUCT_OPTION
static struct option long_options[] = {
@ -75,6 +72,7 @@ do_copy(void)
ip->inode.gid = st.st_gid;
ip->inode.modtime = st.st_mtime;
ip->inode.actime = st.st_atime;
ip->inode.flags = STPDFS_INO_FLAG_ALOC;
fs_inode_update(ip);
@ -151,8 +149,12 @@ copy(int argc, char **argv)
if (dest == NULL)
{
dest = src;
#ifdef HAVE_LIBGEN_H
dest = basename(src);
#else
dest = src;
#endif
}
return (do_copy());
}
}