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ksmbd: Implement new SMB3 POSIX type

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commit e8580b4c600e085b3c8e6404392de2f822d4c132 upstream.

As SMB3 posix extension specification, Give posix file type to posix
mode.

https://www.samba.org/~slow/SMB3_POSIX/fscc_posix_extensions.html#posix-file-type-definition

Cc: stable@vger.kernel.org
Signed-off-by: Namjae Jeon <linkinjeon@kernel.org>
Signed-off-by: Steve French <stfrench@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Namjae Jeon
2025-01-07 17:41:21 +09:00
committed by Greg Kroah-Hartman
parent de8d6de0ee
commit 38c229455b
2 changed files with 50 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files
fs/smb/server/smb2pdu.c
+40
View File
@@ -3988,6 +3988,26 @@ static int smb2_populate_readdir_entry(struct ksmbd_conn *conn, int info_level,
posix_info->DeviceId = cpu_to_le32(ksmbd_kstat->kstat->rdev);
posix_info->HardLinks = cpu_to_le32(ksmbd_kstat->kstat->nlink);
posix_info->Mode = cpu_to_le32(ksmbd_kstat->kstat->mode & 0777);
switch (ksmbd_kstat->kstat->mode & S_IFMT) {
case S_IFDIR:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);
break;
case S_IFLNK:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);
break;
case S_IFCHR:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);
break;
case S_IFBLK:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);
break;
case S_IFIFO:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);
break;
case S_IFSOCK:
posix_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);
}
posix_info->Inode = cpu_to_le64(ksmbd_kstat->kstat->ino);
posix_info->DosAttributes =
S_ISDIR(ksmbd_kstat->kstat->mode) ?
@@ -5176,6 +5196,26 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
file_info->AllocationSize = cpu_to_le64(stat.blocks << 9);
file_info->HardLinks = cpu_to_le32(stat.nlink);
file_info->Mode = cpu_to_le32(stat.mode & 0777);
switch (stat.mode & S_IFMT) {
case S_IFDIR:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_DIR << POSIX_FILETYPE_SHIFT);
break;
case S_IFLNK:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_SYMLINK << POSIX_FILETYPE_SHIFT);
break;
case S_IFCHR:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_CHARDEV << POSIX_FILETYPE_SHIFT);
break;
case S_IFBLK:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_BLKDEV << POSIX_FILETYPE_SHIFT);
break;
case S_IFIFO:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_FIFO << POSIX_FILETYPE_SHIFT);
break;
case S_IFSOCK:
file_info->Mode |= cpu_to_le32(POSIX_TYPE_SOCKET << POSIX_FILETYPE_SHIFT);
}
file_info->DeviceId = cpu_to_le32(stat.rdev);
/*
fs/smb/server/smb2pdu.h
+10
View File
@@ -502,4 +502,14 @@ static inline void *smb2_get_msg(void *buf)
return buf + 4;
}
#define POSIX_TYPE_FILE 0
#define POSIX_TYPE_DIR 1
#define POSIX_TYPE_SYMLINK 2
#define POSIX_TYPE_CHARDEV 3
#define POSIX_TYPE_BLKDEV 4
#define POSIX_TYPE_FIFO 5
#define POSIX_TYPE_SOCKET 6
#define POSIX_FILETYPE_SHIFT 12
#endif /* _SMB2PDU_H */