shinys000114/linux
1
0
Fork 0
mirror of https://github.com/hardkernel/linux.git synced 2026-03-25 12:00:22 +09:00
Code Issues Packages Projects Releases Wiki Activity

ksmbd: fill sids in SMB_FIND_FILE_POSIX_INFO response

Browse Source 
[ Upstream commit d5919f2a14 ]

This patch fill missing sids in SMB_FIND_FILE_POSIX_INFO response.

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
2023-12-19 00:33:15 +09:00
committed by Greg Kroah-Hartman
parent 95b72edca5
commit e925de7def
1 changed files with 22 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

28
fs/ksmbd/smb2pdu.c
View File

@@ -4754,7 +4754,9 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
{
struct smb311_posix_qinfo *file_info;
struct inode *inode = file_inode(fp->filp);
struct user_namespace *user_ns = file_mnt_user_ns(fp->filp);
u64 time;
int out_buf_len = sizeof(struct smb311_posix_qinfo) + 32;
file_info = (struct smb311_posix_qinfo *)rsp->Buffer;
file_info->CreationTime = cpu_to_le64(fp->create_time);
@@ -4771,10 +4773,24 @@ static int find_file_posix_info(struct smb2_query_info_rsp *rsp,
file_info->HardLinks = cpu_to_le32(inode->i_nlink);
file_info->Mode = cpu_to_le32(inode->i_mode & 0777);
file_info->DeviceId = cpu_to_le32(inode->i_rdev);
rsp->OutputBufferLength =
cpu_to_le32(sizeof(struct smb311_posix_qinfo));
inc_rfc1001_len(rsp_org, sizeof(struct smb311_posix_qinfo));
return 0;
/*
* Sids(32) contain two sids(Domain sid(16), UNIX group sid(16)).
* UNIX sid(16) = revision(1) + num_subauth(1) + authority(6) +
* sub_auth(4 * 1(num_subauth)) + RID(4).
*/
id_to_sid(from_kuid_munged(&init_user_ns,
i_uid_into_mnt(user_ns, inode)),
SIDUNIX_USER,
(struct smb_sid *)&file_info->Sids[0]);
id_to_sid(from_kgid_munged(&init_user_ns,
i_gid_into_mnt(user_ns, inode)),
SIDUNIX_GROUP,
(struct smb_sid *)&file_info->Sids[16]);
rsp->OutputBufferLength = cpu_to_le32(out_buf_len);
inc_rfc1001_len(rsp_org, out_buf_len);
return out_buf_len;
}
static int smb2_get_info_file(struct ksmbd_work *work,
@@ -4894,8 +4910,8 @@ static int smb2_get_info_file(struct ksmbd_work *work,
pr_err("client doesn't negotiate with SMB3.1.1 POSIX Extensions\n");
rc = -EOPNOTSUPP;
} else {
rc = find_file_posix_info(rsp, fp, work->response_buf);
file_infoclass_size = sizeof(struct smb311_posix_qinfo);
file_infoclass_size = find_file_posix_info(rsp, fp,
work->response_buf);
}
break;
default: