diff options
Diffstat (limited to 'fs/ksmbd/smb2pdu.c')
| -rw-r--r-- | fs/ksmbd/smb2pdu.c | 59 |
1 files changed, 18 insertions, 41 deletions
diff --git a/fs/ksmbd/smb2pdu.c b/fs/ksmbd/smb2pdu.c index dcf907738610..005aa93a49d6 100644 --- a/fs/ksmbd/smb2pdu.c +++ b/fs/ksmbd/smb2pdu.c @@ -236,9 +236,6 @@ int init_smb2_neg_rsp(struct ksmbd_work *work) if (conn->need_neg == false) return -EINVAL; - if (!(conn->dialect >= SMB20_PROT_ID && - conn->dialect <= SMB311_PROT_ID)) - return -EINVAL; rsp_hdr = work->response_buf; @@ -1166,13 +1163,6 @@ int smb2_handle_negotiate(struct ksmbd_work *work) case SMB21_PROT_ID: init_smb2_1_server(conn); break; - case SMB20_PROT_ID: - rc = init_smb2_0_server(conn); - if (rc) { - rsp->hdr.Status = STATUS_NOT_SUPPORTED; - goto err_out; - } - break; case SMB2X_PROT_ID: case BAD_PROT_ID: default: @@ -1191,11 +1181,9 @@ int smb2_handle_negotiate(struct ksmbd_work *work) rsp->MaxReadSize = cpu_to_le32(conn->vals->max_read_size); rsp->MaxWriteSize = cpu_to_le32(conn->vals->max_write_size); - if (conn->dialect > SMB20_PROT_ID) { - memcpy(conn->ClientGUID, req->ClientGUID, - SMB2_CLIENT_GUID_SIZE); - conn->cli_sec_mode = le16_to_cpu(req->SecurityMode); - } + memcpy(conn->ClientGUID, req->ClientGUID, + SMB2_CLIENT_GUID_SIZE); + conn->cli_sec_mode = le16_to_cpu(req->SecurityMode); rsp->StructureSize = cpu_to_le16(65); rsp->DialectRevision = cpu_to_le16(conn->dialect); @@ -1537,11 +1525,9 @@ binding_session: } } - if (conn->dialect > SMB20_PROT_ID) { - if (!ksmbd_conn_lookup_dialect(conn)) { - pr_err("fail to verify the dialect\n"); - return -ENOENT; - } + if (!ksmbd_conn_lookup_dialect(conn)) { + pr_err("fail to verify the dialect\n"); + return -ENOENT; } return 0; } @@ -1623,11 +1609,9 @@ static int krb5_authenticate(struct ksmbd_work *work) } } - if (conn->dialect > SMB20_PROT_ID) { - if (!ksmbd_conn_lookup_dialect(conn)) { - pr_err("fail to verify the dialect\n"); - return -ENOENT; - } + if (!ksmbd_conn_lookup_dialect(conn)) { + pr_err("fail to verify the dialect\n"); + return -ENOENT; } return 0; } @@ -5499,7 +5483,6 @@ static int set_file_basic_info(struct ksmbd_file *fp, struct ksmbd_share_config *share) { struct iattr attrs; - struct timespec64 ctime; struct file *filp; struct inode *inode; struct user_namespace *user_ns; @@ -5521,13 +5504,11 @@ static int set_file_basic_info(struct ksmbd_file *fp, attrs.ia_valid |= (ATTR_ATIME | ATTR_ATIME_SET); } - if (file_info->ChangeTime) { + attrs.ia_valid |= ATTR_CTIME; + if (file_info->ChangeTime) attrs.ia_ctime = ksmbd_NTtimeToUnix(file_info->ChangeTime); - ctime = attrs.ia_ctime; - attrs.ia_valid |= ATTR_CTIME; - } else { - ctime = inode->i_ctime; - } + else + attrs.ia_ctime = inode->i_ctime; if (file_info->LastWriteTime) { attrs.ia_mtime = ksmbd_NTtimeToUnix(file_info->LastWriteTime); @@ -5573,11 +5554,9 @@ static int set_file_basic_info(struct ksmbd_file *fp, return -EACCES; inode_lock(inode); + inode->i_ctime = attrs.ia_ctime; + attrs.ia_valid &= ~ATTR_CTIME; rc = notify_change(user_ns, dentry, &attrs, NULL); - if (!rc) { - inode->i_ctime = ctime; - mark_inode_dirty(inode); - } inode_unlock(inode); } return rc; @@ -8411,20 +8390,18 @@ int smb3_decrypt_req(struct ksmbd_work *work) struct smb2_hdr *hdr; unsigned int pdu_length = get_rfc1002_len(buf); struct kvec iov[2]; - unsigned int buf_data_size = pdu_length + 4 - + int buf_data_size = pdu_length + 4 - sizeof(struct smb2_transform_hdr); struct smb2_transform_hdr *tr_hdr = (struct smb2_transform_hdr *)buf; int rc = 0; - if (pdu_length + 4 < - sizeof(struct smb2_transform_hdr) + sizeof(struct smb2_hdr)) { + if (buf_data_size < sizeof(struct smb2_hdr)) { pr_err("Transform message is too small (%u)\n", pdu_length); return -ECONNABORTED; } - if (pdu_length + 4 < - le32_to_cpu(tr_hdr->OriginalMessageSize) + sizeof(struct smb2_transform_hdr)) { + if (buf_data_size < le32_to_cpu(tr_hdr->OriginalMessageSize)) { pr_err("Transform message is broken\n"); return -ECONNABORTED; } |