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Commit dac95340 authored by Shirish Pargaonkar's avatar Shirish Pargaonkar Committed by Steve French
Browse files

cifs: prototype declaration and definition to set acl for smb 2 - 3 and cifsacl mount options 



Modified current set info function to accommodate multiple info types and
additional information.

Added cifs acl specific function to invoke set info functionality.

Signed-off-by: default avatarShirish Pargaonkar <shirishpargaonkar@gmail.com>
Signed-off-by: default avatarSteve French <smfrench@gmail.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
parent 026d15f6

fs/cifs/smb2pdu.c

+27 −12
Original line number Diff line number Diff line
@@ -3000,8 +3000,9 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon, 


static int

send_set_info(const unsigned int xid, struct cifs_tcon *tcon,

	       u64 persistent_fid, u64 volatile_fid, u32 pid, int info_class,

	       unsigned int num, void **data, unsigned int *size)

	       u64 persistent_fid, u64 volatile_fid, u32 pid, u8 info_class,

	       u8 info_type, u32 additional_info, unsigned int num,

		void **data, unsigned int *size)

{

	struct smb2_set_info_req *req;

	struct smb2_set_info_rsp *rsp = NULL;
@@ -3037,10 +3038,11 @@ send_set_info(const unsigned int xid, struct cifs_tcon *tcon, 


	req->hdr.sync_hdr.ProcessId = cpu_to_le32(pid);



	req->InfoType = SMB2_O_INFO_FILE;

	req->InfoType = info_type;

	req->FileInfoClass = info_class;

	req->PersistentFileId = persistent_fid;

	req->VolatileFileId = volatile_fid;

	req->AdditionalInformation = cpu_to_le32(additional_info);



	/* 4 for RFC1001 length and 1 for Buffer */

	req->BufferOffset =
@@ -3100,8 +3102,8 @@ SMB2_rename(const unsigned int xid, struct cifs_tcon *tcon, 
	size[1] = len + 2 /* null */;



	rc = send_set_info(xid, tcon, persistent_fid, volatile_fid,

			   current->tgid, FILE_RENAME_INFORMATION, 2, data,

			   size);

		current->tgid, FILE_RENAME_INFORMATION, SMB2_O_INFO_FILE,

		0, 2, data, size);

	kfree(data);

	return rc;

}
@@ -3118,8 +3120,8 @@ SMB2_rmdir(const unsigned int xid, struct cifs_tcon *tcon, 
	size = 1; /* sizeof __u8 */



	return send_set_info(xid, tcon, persistent_fid, volatile_fid,

			current->tgid, FILE_DISPOSITION_INFORMATION, 1, &data,

			&size);

		current->tgid, FILE_DISPOSITION_INFORMATION, SMB2_O_INFO_FILE,

		0, 1, &data, &size);

}



int
@@ -3148,7 +3150,8 @@ SMB2_set_hardlink(const unsigned int xid, struct cifs_tcon *tcon, 
	size[1] = len + 2 /* null */;



	rc = send_set_info(xid, tcon, persistent_fid, volatile_fid,

			   current->tgid, FILE_LINK_INFORMATION, 2, data, size);

			current->tgid, FILE_LINK_INFORMATION, SMB2_O_INFO_FILE,

			0, 2, data, size);

	kfree(data);

	return rc;

}
@@ -3168,10 +3171,12 @@ SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, u64 persistent_fid, 


	if (is_falloc)

		return send_set_info(xid, tcon, persistent_fid, volatile_fid,

			pid, FILE_ALLOCATION_INFORMATION, 1, &data, &size);

			pid, FILE_ALLOCATION_INFORMATION, SMB2_O_INFO_FILE,

			0, 1, &data, &size);

	else

		return send_set_info(xid, tcon, persistent_fid, volatile_fid,

			pid, FILE_END_OF_FILE_INFORMATION, 1, &data, &size);

			pid, FILE_END_OF_FILE_INFORMATION, SMB2_O_INFO_FILE,

			0, 1, &data, &size);

}



int
@@ -3181,8 +3186,18 @@ SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon, 
	unsigned int size;

	size = sizeof(FILE_BASIC_INFO);

	return send_set_info(xid, tcon, persistent_fid, volatile_fid,

			     current->tgid, FILE_BASIC_INFORMATION, 1,

			     (void **)&buf, &size);

		current->tgid, FILE_BASIC_INFORMATION, SMB2_O_INFO_FILE,

		0, 1, (void **)&buf, &size);

}



int

SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,

		u64 persistent_fid, u64 volatile_fid,

		struct cifs_ntsd *pnntsd, int pacllen, int aclflag)

{

	return send_set_info(xid, tcon, persistent_fid, volatile_fid,

			current->tgid, 0, SMB2_O_INFO_SECURITY, aclflag,

			1, (void **)&pnntsd, &pacllen);

}



int

fs/cifs/smb2proto.h

+3 −0
Original line number Diff line number Diff line
@@ -166,6 +166,9 @@ extern int SMB2_set_eof(const unsigned int xid, struct cifs_tcon *tcon, 
extern int SMB2_set_info(const unsigned int xid, struct cifs_tcon *tcon,

			 u64 persistent_fid, u64 volatile_fid,

			 FILE_BASIC_INFO *buf);

extern int SMB2_set_acl(const unsigned int xid, struct cifs_tcon *tcon,

			u64 persistent_fid, u64 volatile_fid,

			struct cifs_ntsd *pnntsd, int pacllen, int aclflag);

extern int SMB2_set_compression(const unsigned int xid, struct cifs_tcon *tcon,

				u64 persistent_fid, u64 volatile_fid);

extern int SMB2_oplock_break(const unsigned int xid, struct cifs_tcon *tcon,