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authorDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
committerDavid S. Miller <davem@davemloft.net>2010-04-06 23:53:30 -0700
commit4a35ecf8bf1c4b039503fa554100fe85c761de76 (patch)
tree9b75f5d5636004d9a9aa496924377379be09aa1f /fs/cifs/cifssmb.c
parentb4d562e3c3553ac58c7120555c4e4aefbb090a2a (diff)
parentfb9e2d887243499b8d28efcf80821c4f6a092395 (diff)
Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6
Conflicts: drivers/net/bonding/bond_main.c drivers/net/via-velocity.c drivers/net/wireless/iwlwifi/iwl-agn.c
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r--fs/cifs/cifssmb.c135
1 files changed, 134 insertions, 1 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index 61183589984..7cc7f83e931 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -500,7 +500,7 @@ CIFSSMBNegotiate(unsigned int xid, struct cifsSesInfo *ses)
} else if (pSMBr->hdr.WordCount == 13) {
cERROR(1, ("mount failed, cifs module not built "
"with CIFS_WEAK_PW_HASH support"));
- rc = -EOPNOTSUPP;
+ rc = -EOPNOTSUPP;
#endif /* WEAK_PW_HASH */
goto neg_err_exit;
} else if (pSMBr->hdr.WordCount != 17) {
@@ -3230,8 +3230,72 @@ QInfRetry:
return rc;
}
+int
+CIFSSMBQFileInfo(const int xid, struct cifsTconInfo *tcon,
+ u16 netfid, FILE_ALL_INFO *pFindData)
+{
+ struct smb_t2_qfi_req *pSMB = NULL;
+ struct smb_t2_qfi_rsp *pSMBr = NULL;
+ int rc = 0;
+ int bytes_returned;
+ __u16 params, byte_count;
+QFileInfoRetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+ params = 2 /* level */ + 2 /* fid */;
+ pSMB->t2.TotalDataCount = 0;
+ pSMB->t2.MaxParameterCount = cpu_to_le16(4);
+ /* BB find exact max data count below from sess structure BB */
+ pSMB->t2.MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
+ pSMB->t2.MaxSetupCount = 0;
+ pSMB->t2.Reserved = 0;
+ pSMB->t2.Flags = 0;
+ pSMB->t2.Timeout = 0;
+ pSMB->t2.Reserved2 = 0;
+ pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
+ Fid) - 4);
+ pSMB->t2.DataCount = 0;
+ pSMB->t2.DataOffset = 0;
+ pSMB->t2.SetupCount = 1;
+ pSMB->t2.Reserved3 = 0;
+ pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->t2.TotalParameterCount = cpu_to_le16(params);
+ pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_ALL_INFO);
+ pSMB->Pad = 0;
+ pSMB->Fid = netfid;
+ pSMB->hdr.smb_buf_length += byte_count;
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in QPathInfo = %d", rc));
+ } else { /* decode response */
+ rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+
+ if (rc) /* BB add auto retry on EOPNOTSUPP? */
+ rc = -EIO;
+ else if (pSMBr->ByteCount < 40)
+ rc = -EIO; /* bad smb */
+ else if (pFindData) {
+ __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ data_offset, sizeof(FILE_ALL_INFO));
+ } else
+ rc = -ENOMEM;
+ }
+ cifs_buf_release(pSMB);
+ if (rc == -EAGAIN)
+ goto QFileInfoRetry;
+
+ return rc;
+}
int
CIFSSMBQPathInfo(const int xid, struct cifsTconInfo *tcon,
@@ -3335,6 +3399,75 @@ QPathInfoRetry:
}
int
+CIFSSMBUnixQFileInfo(const int xid, struct cifsTconInfo *tcon,
+ u16 netfid, FILE_UNIX_BASIC_INFO *pFindData)
+{
+ struct smb_t2_qfi_req *pSMB = NULL;
+ struct smb_t2_qfi_rsp *pSMBr = NULL;
+ int rc = 0;
+ int bytes_returned;
+ __u16 params, byte_count;
+
+UnixQFileInfoRetry:
+ rc = smb_init(SMB_COM_TRANSACTION2, 15, tcon, (void **) &pSMB,
+ (void **) &pSMBr);
+ if (rc)
+ return rc;
+
+ params = 2 /* level */ + 2 /* fid */;
+ pSMB->t2.TotalDataCount = 0;
+ pSMB->t2.MaxParameterCount = cpu_to_le16(4);
+ /* BB find exact max data count below from sess structure BB */
+ pSMB->t2.MaxDataCount = cpu_to_le16(CIFSMaxBufSize);
+ pSMB->t2.MaxSetupCount = 0;
+ pSMB->t2.Reserved = 0;
+ pSMB->t2.Flags = 0;
+ pSMB->t2.Timeout = 0;
+ pSMB->t2.Reserved2 = 0;
+ pSMB->t2.ParameterOffset = cpu_to_le16(offsetof(struct smb_t2_qfi_req,
+ Fid) - 4);
+ pSMB->t2.DataCount = 0;
+ pSMB->t2.DataOffset = 0;
+ pSMB->t2.SetupCount = 1;
+ pSMB->t2.Reserved3 = 0;
+ pSMB->t2.SubCommand = cpu_to_le16(TRANS2_QUERY_FILE_INFORMATION);
+ byte_count = params + 1 /* pad */ ;
+ pSMB->t2.TotalParameterCount = cpu_to_le16(params);
+ pSMB->t2.ParameterCount = pSMB->t2.TotalParameterCount;
+ pSMB->InformationLevel = cpu_to_le16(SMB_QUERY_FILE_UNIX_BASIC);
+ pSMB->Pad = 0;
+ pSMB->Fid = netfid;
+ pSMB->hdr.smb_buf_length += byte_count;
+
+ rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB,
+ (struct smb_hdr *) pSMBr, &bytes_returned, 0);
+ if (rc) {
+ cFYI(1, ("Send error in QPathInfo = %d", rc));
+ } else { /* decode response */
+ rc = validate_t2((struct smb_t2_rsp *)pSMBr);
+
+ if (rc || (pSMBr->ByteCount < sizeof(FILE_UNIX_BASIC_INFO))) {
+ cERROR(1, ("Malformed FILE_UNIX_BASIC_INFO response.\n"
+ "Unix Extensions can be disabled on mount "
+ "by specifying the nosfu mount option."));
+ rc = -EIO; /* bad smb */
+ } else {
+ __u16 data_offset = le16_to_cpu(pSMBr->t2.DataOffset);
+ memcpy((char *) pFindData,
+ (char *) &pSMBr->hdr.Protocol +
+ data_offset,
+ sizeof(FILE_UNIX_BASIC_INFO));
+ }
+ }
+
+ cifs_buf_release(pSMB);
+ if (rc == -EAGAIN)
+ goto UnixQFileInfoRetry;
+
+ return rc;
+}
+
+int
CIFSSMBUnixQPathInfo(const int xid, struct cifsTconInfo *tcon,
const unsigned char *searchName,
FILE_UNIX_BASIC_INFO *pFindData,