chore: sync repo

.gitignore

@@ -46,3 +46,4 @@ config.sub
 hdd
 config.h
 *.guess
+inspect.stpd

fuse/Makefile.am

@@ -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
 

fuse/main.c

@@ -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);
 }
 

libfs/dir.c

@@ -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);
+}

libfs/dir.h

@@ -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 */

libfs/inode.c

@@ -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);

libfs/super.c

@@ -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);

tools/inspect/main.c

@@ -34,7 +34,6 @@ static struct option long_options[] = {
 };
 #endif /* HAVE_STRUCT_OPTION */
 
-
 static int
 inspect(void)
 {

tools/mkfs/boot.asm

@@ -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 
@@ -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
@@ -150,10 +167,11 @@ disk_read_sectors:
 	mov word [disk_packet.segment], es
 	mov word [disk_packet.offset], bx
 	mov dword [disk_packet.lba], eax 
-	mov si, [disk_packet]
+	mov si, disk_packet
 	mov dl, [bpb.drive_num]	
 	mov ah, 0x42
 	int 0x13
+	jc start.err_lba
 	ret
 
 disk_packet:

tools/mkfs/main.c

@@ -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);

tools/tools/copy.c

@@ -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);
 
@@ -151,7 +149,11 @@ copy(int argc, char **argv)
 
 	if (dest == NULL)
 	{
-		dest = src;
+#ifdef HAVE_LIBGEN_H
+	  dest = basename(src);
+#else
+	  dest = src;
+#endif
 	} 
 
 	return (do_copy());