diff options
Diffstat (limited to 'fs/cifs/smb2pdu.c')
| -rw-r--r-- | fs/cifs/smb2pdu.c | 53 |
1 files changed, 41 insertions, 12 deletions
diff --git a/fs/cifs/smb2pdu.c b/fs/cifs/smb2pdu.c index 62b3f17d0613..231e9701ab85 100644 --- a/fs/cifs/smb2pdu.c +++ b/fs/cifs/smb2pdu.c @@ -833,7 +833,8 @@ SMB2_tdis(const unsigned int xid, struct cifs_tcon *tcon) int SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, u64 *persistent_fid, u64 *volatile_fid, __u32 desired_access, - __u32 create_disposition, __u32 file_attributes, __u32 create_options) + __u32 create_disposition, __u32 file_attributes, __u32 create_options, + struct smb2_file_all_info *buf) { struct smb2_create_req *req; struct smb2_create_rsp *rsp; @@ -856,9 +857,9 @@ SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, if (rc) return rc; - if (enable_oplocks) + /* if (server->oplocks) req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_BATCH; - else + else */ req->RequestedOplockLevel = SMB2_OPLOCK_LEVEL_NONE; req->ImpersonationLevel = IL_IMPERSONATION; req->DesiredAccess = cpu_to_le32(desired_access); @@ -906,6 +907,15 @@ SMB2_open(const unsigned int xid, struct cifs_tcon *tcon, __le16 *path, } *persistent_fid = rsp->PersistentFileId; *volatile_fid = rsp->VolatileFileId; + + if (buf) { + memcpy(buf, &rsp->CreationTime, 32); + buf->AllocationSize = rsp->AllocationSize; + buf->EndOfFile = rsp->EndofFile; + buf->Attributes = rsp->FileAttributes; + buf->NumberOfLinks = cpu_to_le32(1); + buf->DeletePending = 0; + } creat_exit: free_rsp_buf(resp_buftype, rsp); return rc; @@ -1019,10 +1029,10 @@ validate_and_copy_buf(unsigned int offset, unsigned int buffer_length, return 0; } -int -SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, - u64 persistent_fid, u64 volatile_fid, - struct smb2_file_all_info *data) +static int +query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, u8 info_class, + size_t output_len, size_t min_len, void *data) { struct smb2_query_info_req *req; struct smb2_query_info_rsp *rsp = NULL; @@ -1044,14 +1054,13 @@ SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, return rc; req->InfoType = SMB2_O_INFO_FILE; - req->FileInfoClass = FILE_ALL_INFORMATION; + req->FileInfoClass = info_class; req->PersistentFileId = persistent_fid; req->VolatileFileId = volatile_fid; /* 4 for rfc1002 length field and 1 for Buffer */ req->InputBufferOffset = cpu_to_le16(sizeof(struct smb2_query_info_req) - 1 - 4); - req->OutputBufferLength = - cpu_to_le32(sizeof(struct smb2_file_all_info) + MAX_NAME * 2); + req->OutputBufferLength = cpu_to_le32(output_len); iov[0].iov_base = (char *)req; /* 4 for rfc1002 length field */ @@ -1067,14 +1076,34 @@ SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, rc = validate_and_copy_buf(le16_to_cpu(rsp->OutputBufferOffset), le32_to_cpu(rsp->OutputBufferLength), - &rsp->hdr, sizeof(struct smb2_file_all_info), - (char *)data); + &rsp->hdr, min_len, data); qinf_exit: free_rsp_buf(resp_buftype, rsp); return rc; } +int +SMB2_query_info(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, + struct smb2_file_all_info *data) +{ + return query_info(xid, tcon, persistent_fid, volatile_fid, + FILE_ALL_INFORMATION, + sizeof(struct smb2_file_all_info) + MAX_NAME * 2, + sizeof(struct smb2_file_all_info), data); +} + +int +SMB2_get_srv_num(const unsigned int xid, struct cifs_tcon *tcon, + u64 persistent_fid, u64 volatile_fid, __le64 *uniqueid) +{ + return query_info(xid, tcon, persistent_fid, volatile_fid, + FILE_INTERNAL_INFORMATION, + sizeof(struct smb2_file_internal_info), + sizeof(struct smb2_file_internal_info), uniqueid); +} + /* * This is a no-op for now. We're not really interested in the reply, but * rather in the fact that the server sent one and that server->lstrp |