diff options
Diffstat (limited to 'source4/smb_server/smb2')
| -rw-r--r-- | source4/smb_server/smb2/negprot.c | 59 |
1 files changed, 30 insertions, 29 deletions
diff --git a/source4/smb_server/smb2/negprot.c b/source4/smb_server/smb2/negprot.c index 68509d71c6..043534d777 100644 --- a/source4/smb_server/smb2/negprot.c +++ b/source4/smb_server/smb2/negprot.c @@ -96,7 +96,7 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2 /* we only do dialect 0 for now */ if (io->in.dialect_count < 1 || io->in.dialects[0] != 0) { - return NT_STATUS_NOT_SUPPORTED; + DEBUG(0,("Got unexpected SMB2 dialect %u\n", io->in.dialects[0])); } req->smb_conn->negotiate.protocol = PROTOCOL_SMB2; @@ -104,19 +104,19 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2 current_time = timeval_current(); /* TODO: handle timezone?! */ boot_time = timeval_current(); /* TODO: fix me */ - io->out._pad = 0; - io->out.unknown2 = 0x06; - ZERO_STRUCT(io->out.sessid); - io->out.unknown3 = 0x0d; - io->out.unknown4 = 0x00; - io->out.unknown5 = 0x01; - io->out.unknown6 = 0x01; - io->out.unknown7 = 0x01; - io->out.current_time = timeval_to_nttime(¤t_time); - io->out.boot_time = timeval_to_nttime(&boot_time); + ZERO_STRUCT(io->out); + io->out.security_mode = 0; /* no signing yet */ + /* choose the first dialect offered for now */ + io->out.dialect_revision = io->in.dialects[0]; + io->out.capabilities = 0; + io->out.max_transact_size = 0x10000; + io->out.max_read_size = 0x10000; + io->out.max_write_size = 0x10000; + io->out.system_time = timeval_to_nttime(¤t_time); + io->out.server_start_time = timeval_to_nttime(&boot_time); + io->out.reserved2 = 0; status = smb2srv_negprot_secblob(req, &io->out.secblob); NT_STATUS_NOT_OK_RETURN(status); - io->out.unknown9 = 0x204d4c20; return NT_STATUS_OK; } @@ -124,6 +124,7 @@ static NTSTATUS smb2srv_negprot_backend(struct smb2srv_request *req, struct smb2 static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negprot *io) { NTSTATUS status; + enum ndr_err_code ndr_err; if (NT_STATUS_IS_ERR(req->status)) { smb2srv_send_error(req, req->status); /* TODO: is this correct? */ @@ -137,16 +138,22 @@ static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negpro return; } - SSVAL(req->out.body, 0x02, io->out._pad); - SIVAL(req->out.body, 0x04, io->out.unknown2); - memcpy(req->out.body+0x08, io->out.sessid, 16); - SIVAL(req->out.body, 0x18, io->out.unknown3); - SSVAL(req->out.body, 0x1C, io->out.unknown4); - SIVAL(req->out.body, 0x1E, io->out.unknown5); - SIVAL(req->out.body, 0x22, io->out.unknown6); - SSVAL(req->out.body, 0x26, io->out.unknown7); - push_nttime(req->out.body, 0x28, io->out.current_time); - push_nttime(req->out.body, 0x30, io->out.boot_time); + SSVAL(req->out.body, 0x02, io->out.security_mode); + SIVAL(req->out.body, 0x04, io->out.dialect_revision); + SIVAL(req->out.body, 0x06, io->out.reserved); + ndr_err = smbcli_push_guid(req->out.body, 0x08, &io->out.server_guid); + if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { + smbsrv_terminate_connection(req->smb_conn, nt_errstr(status)); + talloc_free(req); + return; + } + SIVAL(req->out.body, 0x18, io->out.capabilities); + SIVAL(req->out.body, 0x1C, io->out.max_transact_size); + SIVAL(req->out.body, 0x20, io->out.max_read_size); + SIVAL(req->out.body, 0x24, io->out.max_write_size); + push_nttime(req->out.body, 0x28, io->out.system_time); + push_nttime(req->out.body, 0x30, io->out.server_start_time); + SIVAL(req->out.body, 0x3C, io->out.reserved2); status = smb2_push_o16s16_blob(&req->out, 0x38, io->out.secblob); if (!NT_STATUS_IS_OK(status)) { smbsrv_terminate_connection(req->smb_conn, nt_errstr(status)); @@ -154,8 +161,6 @@ static void smb2srv_negprot_send(struct smb2srv_request *req, struct smb2_negpro return; } - SIVAL(req->out.body, 0x3C, io->out.unknown9); - smb2srv_send_reply(req); } @@ -163,7 +168,6 @@ void smb2srv_negprot_recv(struct smb2srv_request *req) { struct smb2_negprot *io; int i; - DATA_BLOB guid_blob; enum ndr_err_code ndr_err; if (req->in.body_size < 0x26) { @@ -182,10 +186,7 @@ void smb2srv_negprot_recv(struct smb2srv_request *req) io->in.security_mode = SVAL(req->in.body, 0x04); io->in.reserved = SVAL(req->in.body, 0x06); io->in.capabilities = IVAL(req->in.body, 0x08); - guid_blob.data = req->in.body + 0xC; - guid_blob.length = 16; - ndr_err = ndr_pull_struct_blob(&guid_blob, req, NULL, &io->in.client_guid, - (ndr_pull_flags_fn_t)ndr_pull_GUID); + ndr_err = smbcli_pull_guid(req->in.body, 0xC, &io->in.client_guid); if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) { smbsrv_terminate_connection(req->smb_conn, nt_errstr(NT_STATUS_FOOBAR)); talloc_free(req); |