diff options
Diffstat (limited to 'fs/cifs/cifssmb.c')
-rw-r--r-- | fs/cifs/cifssmb.c | 67 |
1 files changed, 66 insertions, 1 deletions
diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c index 9e8a6be..9409524 100644 --- a/fs/cifs/cifssmb.c +++ b/fs/cifs/cifssmb.c @@ -3156,6 +3156,71 @@ qsec_out: /* cifs_small_buf_release(pSMB); */ /* Freed earlier now in SendReceive2 */ return rc; } + +int +CIFSSMBSetCIFSACL(const int xid, struct cifsTconInfo *tcon, __u16 fid, + struct cifs_ntsd *pntsd, __u32 acllen) +{ + __u16 byte_count, param_count, data_count, param_offset, data_offset; + int rc = 0; + int bytes_returned = 0; + SET_SEC_DESC_REQ *pSMB = NULL; + NTRANSACT_RSP *pSMBr = NULL; + +setCifsAclRetry: + rc = smb_init(SMB_COM_NT_TRANSACT, 19, tcon, (void **) &pSMB, + (void **) &pSMBr); + if (rc) + return (rc); + + pSMB->MaxSetupCount = 0; + pSMB->Reserved = 0; + + param_count = 8; + param_offset = offsetof(struct smb_com_transaction_ssec_req, Fid) - 4; + data_count = acllen; + data_offset = param_offset + param_count; + byte_count = 3 /* pad */ + param_count; + + pSMB->DataCount = cpu_to_le32(data_count); + pSMB->TotalDataCount = pSMB->DataCount; + pSMB->MaxParameterCount = cpu_to_le32(4); + pSMB->MaxDataCount = cpu_to_le32(16384); + pSMB->ParameterCount = cpu_to_le32(param_count); + pSMB->ParameterOffset = cpu_to_le32(param_offset); + pSMB->TotalParameterCount = pSMB->ParameterCount; + pSMB->DataOffset = cpu_to_le32(data_offset); + pSMB->SetupCount = 0; + pSMB->SubCommand = cpu_to_le16(NT_TRANSACT_SET_SECURITY_DESC); + pSMB->ByteCount = cpu_to_le16(byte_count+data_count); + + pSMB->Fid = fid; /* file handle always le */ + pSMB->Reserved2 = 0; + pSMB->AclFlags = cpu_to_le32(CIFS_ACL_DACL); + + if (pntsd && acllen) { + memcpy((char *) &pSMBr->hdr.Protocol + data_offset, + (char *) pntsd, + acllen); + pSMB->hdr.smb_buf_length += (byte_count + data_count); + + } else + pSMB->hdr.smb_buf_length += byte_count; + + rc = SendReceive(xid, tcon->ses, (struct smb_hdr *) pSMB, + (struct smb_hdr *) pSMBr, &bytes_returned, 0); + + cFYI(1, ("SetCIFSACL bytes_returned: %d, rc: %d", bytes_returned, rc)); + if (rc) + cFYI(1, ("Set CIFS ACL returned %d", rc)); + cifs_buf_release(pSMB); + + if (rc == -EAGAIN) + goto setCifsAclRetry; + + return (rc); +} + #endif /* CONFIG_CIFS_EXPERIMENTAL */ /* Legacy Query Path Information call for lookup to old servers such @@ -5499,7 +5564,7 @@ SetEARetry: else name_len = strnlen(ea_name, 255); - count = sizeof(*parm_data) + ea_value_len + name_len + 1; + count = sizeof(*parm_data) + ea_value_len + name_len; pSMB->MaxParameterCount = cpu_to_le16(2); pSMB->MaxDataCount = cpu_to_le16(1000); /* BB find max SMB size from sess */ pSMB->MaxSetupCount = 0; |