Merge master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6

* master.kernel.org:/pub/scm/linux/kernel/git/sfrench/cifs-2.6:
  [CIFS] on reconnect to Samba - reset the unix capabilities
  [CIFS] Allow update of EOF on remote extend of file
  [CIFS] POSIX CIFS Extensions (continued) - POSIX Open
  [CIFS] Additional POSIX CIFS Extensions infolevels

1 files changed, 61 insertions, 23 deletions

diff --git a/fs/cifs/cifspdu.h b/fs/cifs/cifspdu.h
index 068ef51edbf7..7d9505491b16 100644
--- a/fs/cifs/cifspdu.h
+++ b/fs/cifs/cifspdu.h
@@ -1,7 +1,7 @@
 /*
  *   fs/cifs/cifspdu.h
  *
- *   Copyright (c) International Business Machines  Corp., 2002,2005
+ *   Copyright (c) International Business Machines  Corp., 2002,2007
  *   Author(s): Steve French (sfrench@us.ibm.com)
  *
  *   This library is free software; you can redistribute it and/or modify
@@ -544,7 +544,8 @@ typedef union smb_com_session_setup_andx {
 /*      unsigned char  * NativeOS;      */
 /*      unsigned char  * NativeLanMan;  */
 /*      unsigned char  * PrimaryDomain; */
-        } __attribute__((packed)) resp; /* NTLM response with or without extended sec*/
+        } __attribute__((packed)) resp; /* NTLM response 
+                                           (with or without extended sec) */
 
         struct {                /* request format */
                 struct smb_hdr hdr;     /* wct = 10 */
@@ -795,6 +796,8 @@ typedef struct smb_com_openx_rsp {
         __u16  ByteCount;
 } __attribute__((packed)) OPENX_RSP; 
 
+/* For encoding of POSIX Open Request - see trans2 function 0x209 data struct */
+
 /* Legacy write request for older servers */
 typedef struct smb_com_writex_req {
         struct smb_hdr hdr;     /* wct = 12 */
@@ -1352,11 +1355,13 @@ struct smb_t2_rsp {
 #define SMB_QUERY_FILE_UNIX_BASIC       0x200
 #define SMB_QUERY_FILE_UNIX_LINK        0x201
 #define SMB_QUERY_POSIX_ACL             0x204
-#define SMB_QUERY_XATTR                 0x205
+#define SMB_QUERY_XATTR                 0x205  /* e.g. system EA name space */
 #define SMB_QUERY_ATTR_FLAGS            0x206  /* append,immutable etc. */
 #define SMB_QUERY_POSIX_PERMISSION      0x207
 #define SMB_QUERY_POSIX_LOCK            0x208
-/* #define SMB_POSIX_OPEN               0x209 */
+/* #define SMB_POSIX_OPEN               0x209 */
+/* #define SMB_POSIX_UNLINK             0x20a */
+#define SMB_QUERY_FILE__UNIX_INFO2      0x20b
 #define SMB_QUERY_FILE_INTERNAL_INFO    0x3ee
 #define SMB_QUERY_FILE_ACCESS_INFO      0x3f0
 #define SMB_QUERY_FILE_NAME_INFO2       0x3f1 /* 0x30 bytes */
@@ -1377,8 +1382,10 @@ struct smb_t2_rsp {
 #define SMB_SET_ATTR_FLAGS              0x206  /* append, immutable etc. */
 #define SMB_SET_POSIX_LOCK              0x208
 #define SMB_POSIX_OPEN                  0x209
+#define SMB_POSIX_UNLINK                0x20a
+#define SMB_SET_FILE_UNIX_INFO2
 #define SMB_SET_FILE_BASIC_INFO2        0x3ec
-#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo level too */
+#define SMB_SET_FILE_RENAME_INFORMATION 0x3f2 /* BB check if qpathinfo too */
 #define SMB_FILE_ALL_INFO2              0x3fa
 #define SMB_SET_FILE_ALLOCATION_INFO2   0x3fb
 #define SMB_SET_FILE_END_OF_FILE_INFO2  0x3fc
@@ -1428,7 +1435,7 @@ typedef struct smb_com_transaction2_qpi_rsp {
         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
         struct trans2_resp t2;
         __u16 ByteCount;
-        __u16 Reserved2;        /* parameter word reserved - present for infolevels > 100 */
+        __u16 Reserved2; /* parameter word is present for infolevels > 100 */
 } __attribute__((packed)) TRANSACTION2_QPI_RSP;
 
 typedef struct smb_com_transaction2_spi_req {
@@ -1461,7 +1468,7 @@ typedef struct smb_com_transaction2_spi_rsp {
         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
         struct trans2_resp t2;
         __u16 ByteCount;
-        __u16 Reserved2;        /* parameter word reserved - present for infolevels > 100 */
+        __u16 Reserved2; /* parameter word is present for infolevels > 100 */
 } __attribute__((packed)) TRANSACTION2_SPI_RSP;
 
 struct set_file_rename {
@@ -1627,6 +1634,7 @@ typedef struct smb_com_transaction2_fnext_rsp_parms {
 #define SMB_QUERY_FS_ATTRIBUTE_INFO 0x105
 #define SMB_QUERY_CIFS_UNIX_INFO    0x200
 #define SMB_QUERY_POSIX_FS_INFO     0x201
+#define SMB_QUERY_POSIX_WHO_AM_I    0x202
 #define SMB_QUERY_LABEL_INFO        0x3ea
 #define SMB_QUERY_FS_QUOTA_INFO     0x3ee
 #define SMB_QUERY_FS_FULL_SIZE_INFO 0x3ef
@@ -1659,9 +1667,21 @@ typedef struct smb_com_transaction_qfsi_rsp {
         struct smb_hdr hdr;     /* wct = 10 + SetupCount */
         struct trans2_resp t2;
         __u16 ByteCount;
-        __u8 Pad;               /* may be three bytes *//* followed by data area */
+        __u8 Pad;       /* may be three bytes? *//* followed by data area */
 } __attribute__((packed)) TRANSACTION2_QFSI_RSP;
 
+typedef struct whoami_rsp_data { /* Query level 0x202 */
+        __u32 flags; /* 0 = Authenticated user 1 = GUEST */
+        __u32 mask; /* which flags bits server understands ie 0x0001 */
+        __u64 unix_user_id;
+        __u64 unix_user_gid;
+        __u32 number_of_supplementary_gids; /* may be zero */
+        __u32 number_of_sids; /* may be zero */
+        __u32 length_of_sid_array; /* in bytes - may be zero */
+        __u32 pad; /* reserved - MBZ */
+        /* __u64 gid_array[0]; */  /* may be empty */
+        /* __u8 * psid_list */  /* may be empty */
+} __attribute__((packed)) WHOAMI_RSP_DATA;
 
 /* SETFSInfo Levels */
 #define SMB_SET_CIFS_UNIX_INFO    0x200
@@ -1858,8 +1878,11 @@ typedef struct {
 #define CIFS_UNIX_XATTR_CAP             0x00000004 /* support new namespace   */
 #define CIFS_UNIX_EXTATTR_CAP           0x00000008 /* support chattr/chflag   */
 #define CIFS_UNIX_POSIX_PATHNAMES_CAP   0x00000010 /* Allow POSIX path chars  */
+#define CIFS_UNIX_POSIX_PATH_OPS_CAP    0x00000020 /* Allow new POSIX path based
+                                                      calls including posix open
+                                                      and posix unlink */ 
 #ifdef CONFIG_CIFS_POSIX
-#define CIFS_UNIX_CAP_MASK              0x0000001b
+#define CIFS_UNIX_CAP_MASK              0x0000003b
 #else 
 #define CIFS_UNIX_CAP_MASK              0x00000013
 #endif /* CONFIG_CIFS_POSIX */
@@ -1946,7 +1969,7 @@ typedef struct { /* data block encoding of response to level 263 QPathInfo */
         __le32 AlignmentRequirement;
         __le32 FileNameLength;
         char FileName[1];
-} __attribute__((packed)) FILE_ALL_INFO;                /* level 0x107 QPathInfo */
+} __attribute__((packed)) FILE_ALL_INFO;        /* level 0x107 QPathInfo */
 
 /* defines for enumerating possible values of the Unix type field below */
 #define UNIX_FILE      0
@@ -1970,11 +1993,11 @@ typedef struct {
         __u64 UniqueId;
         __le64 Permissions;
         __le64 Nlinks;
-} __attribute__((packed)) FILE_UNIX_BASIC_INFO;         /* level 0x200 QPathInfo */
+} __attribute__((packed)) FILE_UNIX_BASIC_INFO; /* level 0x200 QPathInfo */
 
 typedef struct {
         char LinkDest[1];
-} __attribute__((packed)) FILE_UNIX_LINK_INFO;          /* level 0x201 QPathInfo */
+} __attribute__((packed)) FILE_UNIX_LINK_INFO;  /* level 0x201 QPathInfo */
 
 /* The following three structures are needed only for
         setting time to NT4 and some older servers via
@@ -2011,7 +2034,7 @@ typedef struct {
         __le64 ChangeTime;
         __le32 Attributes;
         __u32 Pad;
-} __attribute__((packed)) FILE_BASIC_INFO;              /* size info, level 0x101 */
+} __attribute__((packed)) FILE_BASIC_INFO;      /* size info, level 0x101 */
 
 struct file_allocation_info {
         __le64 AllocationSize; /* Note old Samba srvr rounds this up too much */
@@ -2020,7 +2043,7 @@ struct file_allocation_info {
 
 struct file_end_of_file_info {
         __le64 FileSize;                /* offset to end of file */
-} __attribute__((packed));      /* size info, level 0x104 for set, 0x106 for query */
+} __attribute__((packed)); /* size info, level 0x104 for set, 0x106 for query */
 
 struct file_alt_name_info {
         __u8   alt_name[1];
@@ -2075,6 +2098,19 @@ struct cifs_posix_acl { /* access conrol list  (ACL) */
 
 /* end of POSIX ACL definitions */
 
+typedef struct {
+        __u32 OpenFlags; /* same as NT CreateX */
+        __u32 PosixOpenFlags;
+        __u32 Mode;
+        __u16 Level; /* reply level requested (see QPathInfo levels) */
+        __u16 Pad;  /* reserved - MBZ */
+} __attribute__((packed)) OPEN_PSX_REQ; /* level 0x209 SetPathInfo data */
+
+typedef struct {
+        /* reply varies based on requested level */
+} __attribute__((packed)) OPEN_PSX_RSP; /* level 0x209 SetPathInfo data */
+
+
 struct file_internal_info {
         __u64  UniqueId; /* inode number */
 } __attribute__((packed));      /* level 0x3ee */
@@ -2238,7 +2274,8 @@ struct data_blob {
         1) PosixCreateX - to set and return the mode, inode#, device info and
         perhaps add a CreateDevice - to create Pipes and other special .inodes
         Also note POSIX open flags
-        2) Close - to return the last write time to do cache across close more safely
+        2) Close - to return the last write time to do cache across close 
+                more safely
         3) FindFirst return unique inode number - what about resume key, two 
         forms short (matches readdir) and full (enough info to cache inodes)
         4) Mkdir - set mode
@@ -2273,7 +2310,8 @@ struct data_blob {
         TRANSACTION2 (18 cases)
                 SMB_SET_FILE_END_OF_FILE_INFO2 SMB_SET_PATH_END_OF_FILE_INFO2
                 (BB verify that never need to set allocation size)
-                SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via Unix ext?)
+                SMB_SET_FILE_BASIC_INFO2 (setting times - BB can it be done via
+                         Unix ext?)
         
         COPY (note support for copy across directories) - FUTURE, OPTIONAL
         setting/getting OS/2 EAs - FUTURE (BB can this handle
@@ -2293,13 +2331,13 @@ struct data_blob {
         T2 QUERY_PATH_INFO (SMB_QUERY_FILE_UNIX_BASIC) - BB check for missing inode fields
                                         Actually need QUERY_FILE_UNIX_INFO since has inode num
                                         BB what about a) blksize/blkbits/blocks
-                                                                  b) i_version
-                                                                  c) i_rdev
-                                                                  d) notify mask?
-                                                                  e) generation
-                                                                  f) size_seqcount
+                                                          b) i_version
+                                                          c) i_rdev
+                                                          d) notify mask?
+                                                          e) generation
+                                                          f) size_seqcount
         T2 FIND_FIRST/FIND_NEXT FIND_FILE_UNIX
-        TRANS2_GET_DFS_REFERRAL                           - OPTIONAL but recommended
+        TRANS2_GET_DFS_REFERRAL                   - OPTIONAL but recommended
         T2_QFS_INFO QueryDevice/AttributeInfo - OPTIONAL
         
         
@@ -2338,7 +2376,7 @@ typedef struct file_xattr_info {
         __u32 xattr_value_len;
         char  xattr_name[0];
         /* followed by xattr_value[xattr_value_len], no pad */
-} __attribute__((packed)) FILE_XATTR_INFO;      /* extended attribute, info level 0x205 */
+} __attribute__((packed)) FILE_XATTR_INFO; /* extended attribute, info level 0x205 */
 
 
 /* flags for chattr command */