HFS+ enhancement by Vladimir Serbinenko:
Mostly symlinks, POSIX files and attributes.
This commit is contained in:
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45bf3d9717
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ed986aa4ea
@ -107,9 +107,22 @@ int set_hfsplus_name(Ecma119Image *t, char *name, HFSPlusNode *node)
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for (iptr = ucs_name, optr = node->name; *iptr; iptr++)
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{
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const uint16_t *dptr;
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uint8_t high = ((uint8_t *) iptr)[0];
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uint8_t low = ((uint8_t *) iptr)[1];
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/* FIXME: decompose jamos. */
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uint16_t val = ntohs (*iptr);
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uint8_t high = val >> 8;
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uint8_t low = val & 0xff;
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if (val >= 0xac00 && val <= 0xd7a3)
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{
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uint16_t s, l, v, t;
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s = val - 0xac00;
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l = s / (21 * 28);
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v = (s % (21 * 28)) / 28;
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t = s % 28;
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*optr++ = htons (l + 0x1100);
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*optr++ = htons (v + 0x1161);
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if (t)
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*optr++ = htons (t + 0x11a7);
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continue;
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}
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if (!hfsplus_decompose_pages[high])
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{
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*optr++ = *iptr;
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@ -170,6 +183,8 @@ int set_hfsplus_name(Ecma119Image *t, char *name, HFSPlusNode *node)
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}
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*optr = 0;
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free (ucs_name);
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node->strlen = ucslen (node->name);
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return ISO_SUCCESS;
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}
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@ -188,6 +203,7 @@ int hfsplus_count_tree(Ecma119Image *t, IsoNode *iso)
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switch (iso->type) {
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case LIBISO_SYMLINK:
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case LIBISO_SPECIAL:
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case LIBISO_FILE:
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t->hfsp_nfiles++;
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return ISO_SUCCESS;
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@ -210,8 +226,6 @@ int hfsplus_count_tree(Ecma119Image *t, IsoNode *iso)
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return ISO_SUCCESS;
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case LIBISO_BOOT:
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return ISO_SUCCESS;
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case LIBISO_SPECIAL:
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return ISO_SUCCESS;
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default:
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/* should never happen */
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return ISO_ASSERT_FAILURE;
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@ -239,7 +253,8 @@ int create_tree(Ecma119Image *t, IsoNode *iso, uint32_t parent_id)
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return 0;
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}
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if (iso->type == LIBISO_FILE && iso->type == LIBISO_DIR)
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if (iso->type != LIBISO_FILE && iso->type != LIBISO_DIR
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&& iso->type != LIBISO_SYMLINK && iso->type != LIBISO_SPECIAL)
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return 0;
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cat_id = t->hfsp_cat_id++;
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@ -248,8 +263,26 @@ int create_tree(Ecma119Image *t, IsoNode *iso, uint32_t parent_id)
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t->hfsp_leafs[t->hfsp_curleaf].node = iso;
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t->hfsp_leafs[t->hfsp_curleaf].cat_id = cat_id;
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t->hfsp_leafs[t->hfsp_curleaf].parent_id = parent_id;
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t->hfsp_leafs[t->hfsp_curleaf].unix_type = UNIX_NONE;
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if (iso->type == LIBISO_FILE)
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switch (iso->type)
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{
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case LIBISO_SYMLINK:
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{
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IsoSymlink *sym = (IsoSymlink*) iso;
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t->hfsp_leafs[t->hfsp_curleaf].type = HFSPLUS_FILE;
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t->hfsp_leafs[t->hfsp_curleaf].symlink_size = strlen (sym->dest);
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t->hfsp_leafs[t->hfsp_curleaf].unix_type = UNIX_SYMLINK;
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t->hfsp_leafs[t->hfsp_curleaf].used_size = t->hfsp_leafs[t->hfsp_curleaf].strlen * 2 + 8 + 2 + sizeof (struct hfsplus_catfile_common) + 2 * sizeof (struct hfsplus_forkdata);
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break;
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}
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case LIBISO_SPECIAL:
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t->hfsp_leafs[t->hfsp_curleaf].unix_type = UNIX_SPECIAL;
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t->hfsp_leafs[t->hfsp_curleaf].type = HFSPLUS_FILE;
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t->hfsp_leafs[t->hfsp_curleaf].used_size = t->hfsp_leafs[t->hfsp_curleaf].strlen * 2 + 8 + 2 + sizeof (struct hfsplus_catfile_common) + 2 * sizeof (struct hfsplus_forkdata);
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break;
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case LIBISO_FILE:
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{
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IsoFile *file = (IsoFile*) iso;
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t->hfsp_leafs[t->hfsp_curleaf].type = HFSPLUS_FILE;
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@ -259,10 +292,15 @@ int create_tree(Ecma119Image *t, IsoNode *iso, uint32_t parent_id)
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}
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t->hfsp_leafs[t->hfsp_curleaf].used_size = t->hfsp_leafs[t->hfsp_curleaf].strlen * 2 + 8 + 2 + sizeof (struct hfsplus_catfile_common) + 2 * sizeof (struct hfsplus_forkdata);
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}
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else if (iso->type == LIBISO_DIR)
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break;
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case LIBISO_DIR:
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{
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t->hfsp_leafs[t->hfsp_curleaf].type = HFSPLUS_DIR;
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t->hfsp_leafs[t->hfsp_curleaf].used_size = t->hfsp_leafs[t->hfsp_curleaf].strlen * 2 + 8 + 2 + sizeof (struct hfsplus_catfile_common);
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break;
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}
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default:
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return ISO_ASSERT_FAILURE;
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}
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cleaf = t->hfsp_curleaf;
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t->hfsp_leafs[t->hfsp_curleaf].nchildren = 0;
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@ -277,6 +315,7 @@ int create_tree(Ecma119Image *t, IsoNode *iso, uint32_t parent_id)
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t->hfsp_leafs[t->hfsp_curleaf].file = 0;
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t->hfsp_leafs[t->hfsp_curleaf].cat_id = parent_id;
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t->hfsp_leafs[t->hfsp_curleaf].parent_id = cat_id;
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t->hfsp_leafs[t->hfsp_curleaf].unix_type = UNIX_NONE;
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t->hfsp_curleaf++;
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if (iso->type == LIBISO_DIR)
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@ -351,6 +390,7 @@ static
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int hfsplus_writer_compute_data_blocks(IsoImageWriter *writer)
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{
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Ecma119Image *t;
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uint32_t i;
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if (writer == NULL) {
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return ISO_OUT_OF_MEM;
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@ -368,6 +408,14 @@ int hfsplus_writer_compute_data_blocks(IsoImageWriter *writer)
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t->hfsp_extent_file_start = t->curblock;
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t->curblock++;
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iso_msg_debug(t->image->id, "(d) curblock=%d, nodes =%d", t->curblock, t->hfsp_nnodes);
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for (i = 0; i < t->hfsp_nleafs; i++)
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if (t->hfsp_leafs[i].unix_type == UNIX_SYMLINK)
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{
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t->hfsp_leafs[i].symlink_block = t->curblock;
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t->curblock += (t->hfsp_leafs[i].symlink_size + HFSPLUS_BLOCK_SIZE - 1) / HFSPLUS_BLOCK_SIZE;
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}
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iso_msg_debug(t->image->id, "(a) curblock=%d, nodes =%d", t->curblock, t->hfsp_nnodes);
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return ISO_SUCCESS;
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@ -499,9 +547,7 @@ int hfsplus_writer_write_data(IsoImageWriter *writer)
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struct hfsplus_btnode *node_head;
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struct hfsplus_btheader *tree_head;
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int level;
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uint32_t curpos = 1;
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uint32_t src_start;
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uint64_t src_size;
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uint32_t curpos = 1, i;
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if (writer == NULL) {
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return ISO_NULL_POINTER;
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@ -667,26 +713,83 @@ int hfsplus_writer_write_data(IsoImageWriter *writer)
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FIXME:
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uint8_t user_flags;
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uint8_t group_flags;
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uint32_t special;
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uint8_t finder_info[32];
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*/
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iso_msb ((uint8_t *) &common->flags, (t->hfsp_leafs[curnode].type == HFSPLUS_DIR) ? 0 : 2, 2);
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finder info
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*/
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if (t->hfsp_leafs[curnode].type == HFSPLUS_FILE)
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{
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if (t->hfsp_leafs[curnode].unix_type == UNIX_SYMLINK)
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{
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memcpy (common->file_type, "slnk", 4);
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memcpy (common->file_creator, "rhap", 4);
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}
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else
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{
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struct iso_hfsplus_xinfo_data *xinfo;
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ret = iso_node_get_xinfo(t->hfsp_leafs[curnode].node,
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iso_hfsplus_xinfo_func,
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(void *) &xinfo);
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if (ret > 0)
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{
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memcpy (common->file_type, xinfo->type_code,
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4);
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memcpy (common->file_creator,
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xinfo->creator_code, 4);
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/* use xinfo */;
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}
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else if (ret < 0)
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return ret;
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else
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{
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memcpy (common->file_type, "????", 4);
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memcpy (common->file_creator, "????", 4);
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}
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}
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if (t->hfsp_leafs[curnode].unix_type == UNIX_SPECIAL
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&& (S_ISBLK(t->hfsp_leafs[curnode].node->mode)
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|| S_ISCHR(t->hfsp_leafs[curnode].node->mode)))
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iso_msb ((uint8_t *) &common->special,
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(((IsoSpecial*) t->hfsp_leafs[curnode].node)->dev & 0xffffffff),
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4);
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iso_msb ((uint8_t *) &common->flags, 2, 2);
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}
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else if (t->hfsp_leafs[curnode].type == HFSPLUS_DIR)
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{
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iso_msb ((uint8_t *) &common->flags, 0, 2);
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}
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curoff += sizeof (*common);
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if (t->hfsp_leafs[curnode].type == HFSPLUS_FILE)
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{
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uint64_t sz;
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uint32_t blk;
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data_fork = (struct hfsplus_forkdata *) (buffer + curoff);
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ret = filesrc_block_and_size(t, t->hfsp_leafs[curnode].file, &src_start, &src_size);
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if (ret < 0)
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if (t->hfsp_leafs[curnode].unix_type == UNIX_SYMLINK)
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{
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blk = t->hfsp_leafs[curnode].symlink_block;
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sz = t->hfsp_leafs[curnode].symlink_size;
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}
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else if (t->hfsp_leafs[curnode].unix_type == UNIX_SPECIAL)
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{
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blk = 0;
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sz = 0;
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}
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else
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{
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ret = filesrc_block_and_size(t,
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t->hfsp_leafs[curnode].file,
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&blk, &sz);
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if (ret <= 0)
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return ret;
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iso_msb ((uint8_t *) &data_fork->size, src_size >> 32, 4);
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iso_msb ((uint8_t *) &data_fork->size + 4, src_size, 4);
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}
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iso_msb ((uint8_t *) &data_fork->size, sz >> 32, 4);
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iso_msb ((uint8_t *) &data_fork->size + 4, sz, 4);
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iso_msb ((uint8_t *) &data_fork->clumpsize, HFSPLUS_BLOCK_SIZE, 4);
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iso_msb ((uint8_t *) &data_fork->blocks, (src_size + HFSPLUS_BLOCK_SIZE - 1) / HFSPLUS_BLOCK_SIZE, 4);
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iso_msb ((uint8_t *) &data_fork->extents[0].start, src_start - t->hfsp_part_start, 4);
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iso_msb ((uint8_t *) &data_fork->extents[0].count, (src_size + HFSPLUS_BLOCK_SIZE - 1) / HFSPLUS_BLOCK_SIZE, 4);
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iso_msb ((uint8_t *) &data_fork->blocks, (sz + HFSPLUS_BLOCK_SIZE - 1) / HFSPLUS_BLOCK_SIZE, 4);
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iso_msb ((uint8_t *) &data_fork->extents[0].start, blk - t->hfsp_part_start, 4);
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iso_msb ((uint8_t *) &data_fork->extents[0].count, (sz + HFSPLUS_BLOCK_SIZE - 1) / HFSPLUS_BLOCK_SIZE, 4);
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curoff += sizeof (*data_fork) * 2;
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/* FIXME: resource fork */
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@ -730,6 +833,24 @@ int hfsplus_writer_write_data(IsoImageWriter *writer)
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if (ret < 0)
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return ret;
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iso_msg_debug(t->image->id, "(d) %d written", (int) t->bytes_written / 0x800);
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memset (buffer, 0, sizeof (buffer));
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for (i = 0; i < t->hfsp_nleafs; i++)
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if (t->hfsp_leafs[i].unix_type == UNIX_SYMLINK)
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{
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IsoSymlink *sym = (IsoSymlink*) t->hfsp_leafs[i].node;
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int overhead;
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ret = iso_write(t, sym->dest, t->hfsp_leafs[i].symlink_size);
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if (ret < 0)
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return ret;
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overhead = t->hfsp_leafs[i].symlink_size % HFSPLUS_BLOCK_SIZE;
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if (overhead)
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overhead = HFSPLUS_BLOCK_SIZE - overhead;
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ret = iso_write(t, buffer, overhead);
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if (ret < 0)
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return ret;
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}
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iso_msg_debug(t->image->id, "(a) %d written", (int) t->bytes_written / 0x800);
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return ISO_SUCCESS;
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}
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@ -792,8 +913,14 @@ int hfsplus_writer_free_data(IsoImageWriter *writer)
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for (i = 0; i < t->hfsp_curleaf; i++)
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if (t->hfsp_leafs[i].type != HFSPLUS_FILE_THREAD
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&& t->hfsp_leafs[i].type != HFSPLUS_DIR_THREAD)
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{
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free (t->hfsp_leafs[i].name);
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free (t->hfsp_leafs[i].cmp_name);
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}
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free(t->hfsp_leafs);
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for (i = 0; i < t->hfsp_nlevels; i++)
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free (t->hfsp_levels[i].nodes);
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free(t->hfsp_levels);
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return ISO_SUCCESS;
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}
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@ -851,6 +978,7 @@ int hfsplus_writer_create(Ecma119Image *target)
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target->hfsp_leafs[target->hfsp_curleaf].cat_id = 2;
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target->hfsp_leafs[target->hfsp_curleaf].parent_id = 1;
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target->hfsp_leafs[target->hfsp_curleaf].nchildren = 0;
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target->hfsp_leafs[target->hfsp_curleaf].unix_type = UNIX_NONE;
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target->hfsp_curleaf++;
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target->hfsp_leafs[target->hfsp_curleaf].name = target->hfsp_leafs[target->hfsp_curleaf - 1].name;
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@ -862,6 +990,7 @@ int hfsplus_writer_create(Ecma119Image *target)
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target->hfsp_leafs[target->hfsp_curleaf].file = 0;
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target->hfsp_leafs[target->hfsp_curleaf].cat_id = 1;
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target->hfsp_leafs[target->hfsp_curleaf].parent_id = 2;
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target->hfsp_leafs[target->hfsp_curleaf].unix_type = UNIX_NONE;
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target->hfsp_curleaf++;
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dir = (IsoDir*)target->image->root;
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@ -48,6 +48,10 @@ struct hfsplus_node
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IsoNode *node; /*< reference to the iso node */
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enum { UNIX_NONE, UNIX_SYMLINK, UNIX_SPECIAL } unix_type;
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uint32_t symlink_block;
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uint32_t symlink_size;
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enum hfsplus_node_type type;
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IsoFileSrc *file;
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uint32_t cat_id;
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@ -168,7 +172,9 @@ struct hfsplus_catfile_common
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uint8_t group_flags;
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uint16_t mode;
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uint32_t special;
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uint8_t finder_info[32];
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uint8_t file_type[4]; /* For folders: window size */
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uint8_t file_creator[4]; /* For folders: window size */
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uint8_t finder_info[24];
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uint32_t text_encoding;
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uint32_t reserved;
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} __attribute__ ((packed));
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