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Code Issues Releases Wiki Activity

🆕 新增fat文件名合法性检查

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This commit is contained in:
fslongjin
2022-07-06 18:20:38 +08:00
parent b79ba099df
commit 440b3c917f
3 changed files with 81 additions and 7 deletions
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9
kernel/filesystem/fat32/fat32.c
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@ -889,7 +889,9 @@ int64_t fat32_mkdir(struct vfs_index_node_t *parent_inode, struct vfs_dir_entry_
// 父目录项的inode
struct fat32_inode_info_t *parent_inode_info = (struct fat32_inode_info_t *)parent_inode->private_inode_info;
// ======== todo:检验名称的合法性
retval = fat32_check_name_available(dEntry->name, dEntry->name_length, 0);
if (retval != 0)
return retval;
// ====== 找一块连续的区域放置新的目录项 =====
// 计算总共需要多少个目录项
@ -952,7 +954,10 @@ int64_t fat32_mkdir(struct vfs_index_node_t *parent_inode, struct vfs_dir_entry_
{
if (dEntry->name[tmp_index] == '.')
break;
empty_fat32_dentry->DIR_Name[tmp_index] = dEntry->name[tmp_index];
if (fat32_check_char_available_in_short_name(dEntry->name[tmp_index], tmp_index))
empty_fat32_dentry->DIR_Name[tmp_index] = dEntry->name[tmp_index];
else
empty_fat32_dentry->DIR_Name[tmp_index] = 0x20;
}
// 不满的部分使用0x20填充