/*
- Unix SMB/Netbios implementation.
- Version 1.9.
+ Unix SMB/CIFS implementation.
SMB parameters and setup
Copyright (C) Andrew Tridgell 1992-1997
Copyright (C) Luke Kenneth Casson Leighton 1996-1997
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
+ the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _DCE_RPC_H /* _DCE_RPC_H */
#define _DCE_RPC_H
-#include "rpc_misc.h" /* this only pulls in STRHDR */
-
-
/* DCE/RPC packet types */
-enum RPC_PKT_TYPE
-{
- RPC_REQUEST = 0x00,
- RPC_RESPONSE = 0x02,
- RPC_FAULT = 0x03,
- RPC_BIND = 0x0B,
- RPC_BINDACK = 0x0C,
- RPC_BINDNACK = 0x0D,
- RPC_ALTCONT = 0x0E,
- RPC_ALTCONTRESP = 0x0F,
- RPC_BINDRESP = 0x10 /* not the real name! this is undocumented! */
+enum RPC_PKT_TYPE {
+ RPC_REQUEST = 0x00, /* Ordinary request. */
+ RPC_PING = 0x01, /* Connectionless is server alive ? */
+ RPC_RESPONSE = 0x02, /* Ordinary reply. */
+ RPC_FAULT = 0x03, /* Fault in processing of call. */
+ RPC_WORKING = 0x04, /* Connectionless reply to a ping when server busy. */
+ RPC_NOCALL = 0x05, /* Connectionless reply to a ping when server has lost part of clients call. */
+ RPC_REJECT = 0x06, /* Refuse a request with a code. */
+ RPC_ACK = 0x07, /* Connectionless client to server code. */
+ RPC_CL_CANCEL= 0x08, /* Connectionless cancel. */
+ RPC_FACK = 0x09, /* Connectionless fragment ack. Both client and server send. */
+ RPC_CANCEL_ACK = 0x0A, /* Server ACK to client cancel request. */
+ RPC_BIND = 0x0B, /* Bind to interface. */
+ RPC_BINDACK = 0x0C, /* Server ack of bind. */
+ RPC_BINDNACK = 0x0D, /* Server nack of bind. */
+ RPC_ALTCONT = 0x0E, /* Alter auth. */
+ RPC_ALTCONTRESP = 0x0F, /* Reply to alter auth. */
+ RPC_AUTH3 = 0x10, /* not the real name! this is undocumented! */
+ RPC_SHUTDOWN = 0x11, /* Server to client request to shutdown. */
+ RPC_CO_CANCEL= 0x12, /* Connection-oriented cancel request. */
+ RPC_ORPHANED = 0x13 /* Client telling server it's aborting a partially sent request or telling
+ server to stop sending replies. */
};
/* DCE/RPC flags */
#define RPC_FLG_LAST 0x02
#define RPC_FLG_NOCALL 0x20
-/* NTLMSSP message types */
-enum NTLM_MESSAGE_TYPE
-{
- NTLMSSP_NEGOTIATE = 1,
- NTLMSSP_CHALLENGE = 2,
- NTLMSSP_AUTH = 3,
- NTLMSSP_UNKNOWN = 4
-};
-/* NTLMSSP negotiation flags */
-#define NTLMSSP_NEGOTIATE_UNICODE 0x00000001
-#define NTLMSSP_NEGOTIATE_OEM 0x00000002
-#define NTLMSSP_REQUEST_TARGET 0x00000004
-#define NTLMSSP_NEGOTIATE_SIGN 0x00000010
-#define NTLMSSP_NEGOTIATE_SEAL 0x00000020
-#define NTLMSSP_NEGOTIATE_LM_KEY 0x00000080
-#define NTLMSSP_NEGOTIATE_NTLM 0x00000200
-#define NTLMSSP_NEGOTIATE_00001000 0x00001000
-#define NTLMSSP_NEGOTIATE_00002000 0x00002000
-#define NTLMSSP_NEGOTIATE_ALWAYS_SIGN 0x00008000
-#define NTLMSSP_NEGOTIATE_NTLM2 0x00080000
-#define NTLMSSP_NEGOTIATE_TARGET_INFO 0x00800000
-#define NTLMSSP_NEGOTIATE_128 0x20000000
-#define NTLMSSP_NEGOTIATE_KEY_EXCH 0x40000000
-
-#define SMBD_NTLMSSP_NEG_FLAGS 0x000082b1
+#define SMBD_NTLMSSP_NEG_FLAGS 0x000082b1 /* ALWAYS_SIGN|NEG_NTLM|NEG_LM|NEG_SEAL|NEG_SIGN|NEG_UNICODE */
/* NTLMSSP signature version */
#define NTLMSSP_SIGN_VERSION 0x01
-/* NTLMSSP auth type and level. */
-#define NTLMSSP_AUTH_TYPE 0xa
-#define NTLMSSP_AUTH_LEVEL 0x6
-
-/* Maximum PDU fragment size. */
-#define MAX_PDU_FRAG_LEN 0x1630
-
-/*
- * Actual structure of a DCE UUID
- */
+/* DCE RPC auth types - extended by Microsoft. */
+#define RPC_ANONYMOUS_AUTH_TYPE 0
+#define RPC_AUTH_TYPE_KRB5_1 1
+#define RPC_SPNEGO_AUTH_TYPE 9
+#define RPC_NTLMSSP_AUTH_TYPE 10
+#define RPC_KRB5_AUTH_TYPE 16 /* Not yet implemented. */
+#define RPC_SCHANNEL_AUTH_TYPE 68 /* 0x44 */
+
+/* DCE-RPC standard identifiers to indicate
+ signing or sealing of an RPC pipe */
+#define RPC_AUTH_LEVEL_NONE 1
+#define RPC_AUTH_LEVEL_CONNECT 2
+#define RPC_AUTH_LEVEL_CALL 3
+#define RPC_AUTH_LEVEL_PACKET 4
+#define RPC_AUTH_LEVEL_INTEGRITY 5
+#define RPC_AUTH_LEVEL_PRIVACY 6
+
+#if 0
+#define RPC_PIPE_AUTH_SIGN_LEVEL 0x5
+#define RPC_PIPE_AUTH_SEAL_LEVEL 0x6
+#endif
+
+#define DCERPC_FAULT_OP_RNG_ERROR 0x1c010002
+#define DCERPC_FAULT_UNK_IF 0x1c010003
+#define DCERPC_FAULT_INVALID_TAG 0x1c000006
+#define DCERPC_FAULT_CONTEXT_MISMATCH 0x1c00001a
+#define DCERPC_FAULT_OTHER 0x00000001
+#define DCERPC_FAULT_ACCESS_DENIED 0x00000005
+#define DCERPC_FAULT_CANT_PERFORM 0x000006d8
+#define DCERPC_FAULT_NDR 0x000006f7
+
+
+/* Netlogon schannel auth type and level */
+#define SCHANNEL_SIGN_SIGNATURE { 0x77, 0x00, 0xff, 0xff, 0xff, 0xff, 0x00, 0x00 }
+#define SCHANNEL_SEAL_SIGNATURE { 0x77, 0x00, 0x7a, 0x00, 0xff, 0xff, 0x00, 0x00 }
+
+#define RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN 0x20
+#define RPC_AUTH_SCHANNEL_SIGN_ONLY_CHK_LEN 0x18
+
+
+#define NETLOGON_NEG_ARCFOUR 0x00000004
+#define NETLOGON_NEG_128BIT 0x00004000
+#define NETLOGON_NEG_SCHANNEL 0x40000000
+
+/* The 7 here seems to be required to get Win2k not to downgrade us
+ to NT4. Actually, anything other than 1ff would seem to do... */
+#define NETLOGON_NEG_AUTH2_FLAGS 0x000701ff
+#define NETLOGON_NEG_DOMAIN_TRUST_ACCOUNT 0x2010b000
+
+/* these are the flags that ADS clients use */
+#define NETLOGON_NEG_AUTH2_ADS_FLAGS (0x200fbffb | NETLOGON_NEG_ARCFOUR | NETLOGON_NEG_128BIT | NETLOGON_NEG_SCHANNEL)
+
+enum schannel_direction {
+ SENDER_IS_INITIATOR,
+ SENDER_IS_ACCEPTOR
+};
-typedef struct rpc_uuid
-{
- uint32 time_low;
- uint16 time_mid;
- uint16 time_hi_and_version;
- uint8 remaining[8];
-} RPC_UUID;
+/* Maximum size of the signing data in a fragment. */
+#define RPC_MAX_SIGN_SIZE 0x20 /* 32 */
-#define RPC_UUID_LEN 16
+/* Maximum PDU fragment size. */
+/* #define MAX_PDU_FRAG_LEN 0x1630 this is what wnt sets */
+#define RPC_MAX_PDU_FRAG_LEN 0x10b8 /* this is what w2k sets */
/* RPC_IFACE */
-typedef struct rpc_iface_info
-{
- RPC_UUID uuid; /* 16 bytes of rpc interface identification */
- uint32 version; /* the interface version number */
-
+typedef struct rpc_iface_info {
+ struct GUID uuid; /* 16 bytes of rpc interface identification */
+ uint32 version; /* the interface version number */
} RPC_IFACE;
-#define RPC_IFACE_LEN (RPC_UUID_LEN + 4)
+#define RPC_IFACE_LEN (UUID_SIZE + 4)
-struct pipe_id_info
-{
+struct pipe_id_info {
/* the names appear not to matter: the syntaxes _do_ matter */
- char *client_pipe;
+ const char *client_pipe;
RPC_IFACE abstr_syntax; /* this one is the abstract syntax id */
- char *server_pipe; /* this one is the secondary syntax name */
+ const char *server_pipe; /* this one is the secondary syntax name */
RPC_IFACE trans_syntax; /* this one is the primary syntax id */
};
/* RPC_HDR - dce rpc header */
-typedef struct rpc_hdr_info
-{
- uint8 major; /* 5 - RPC major version */
- uint8 minor; /* 0 - RPC minor version */
- uint8 pkt_type; /* RPC_PKT_TYPE - RPC response packet */
- uint8 flags; /* DCE/RPC flags */
- uint8 pack_type[4]; /* 0x1000 0000 - little-endian packed data representation */
- uint16 frag_len; /* fragment length - data size (bytes) inc header and tail. */
- uint16 auth_len; /* 0 - authentication length */
- uint32 call_id; /* call identifier. matches 12th uint32 of incoming RPC data. */
-
+typedef struct rpc_hdr_info {
+ uint8 major; /* 5 - RPC major version */
+ uint8 minor; /* 0 - RPC minor version */
+ uint8 pkt_type; /* RPC_PKT_TYPE - RPC response packet */
+ uint8 flags; /* DCE/RPC flags */
+ uint8 pack_type[4]; /* 0x1000 0000 - little-endian packed data representation */
+ uint16 frag_len; /* fragment length - data size (bytes) inc header and tail. */
+ uint16 auth_len; /* 0 - authentication length */
+ uint32 call_id; /* call identifier. matches 12th uint32 of incoming RPC data. */
} RPC_HDR;
#define RPC_HEADER_LEN 16
/* RPC_HDR_REQ - ms request rpc header */
-typedef struct rpc_hdr_req_info
-{
- uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
- uint16 context_id; /* 0 - presentation context identifier */
- uint16 opnum; /* opnum */
-
+typedef struct rpc_hdr_req_info {
+ uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
+ uint16 context_id; /* presentation context identifier */
+ uint16 opnum; /* opnum */
} RPC_HDR_REQ;
#define RPC_HDR_REQ_LEN 8
/* RPC_HDR_RESP - ms response rpc header */
-typedef struct rpc_hdr_resp_info
-{
- uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
- uint16 context_id; /* 0 - presentation context identifier */
- uint8 cancel_count; /* 0 - cancel count */
- uint8 reserved; /* 0 - reserved. */
-
+typedef struct rpc_hdr_resp_info {
+ uint32 alloc_hint; /* allocation hint - data size (bytes) minus header and tail. */
+ uint16 context_id; /* 0 - presentation context identifier */
+ uint8 cancel_count; /* 0 - cancel count */
+ uint8 reserved; /* 0 - reserved. */
} RPC_HDR_RESP;
#define RPC_HDR_RESP_LEN 8
/* RPC_HDR_FAULT - fault rpc header */
-typedef struct rpc_hdr_fault_info
-{
- uint32 status;
- uint32 reserved; /* 0x0000 0000 */
+typedef struct rpc_hdr_fault_info {
+ NTSTATUS status;
+ uint32 reserved; /* 0x0000 0000 */
} RPC_HDR_FAULT;
#define RPC_HDR_FAULT_LEN 8
* "NETLOGON", "\\PIPE\\NETLOGON"
*/
/* RPC_ADDR_STR */
-typedef struct rpc_addr_info
-{
- uint16 len; /* length of the string including null terminator */
- fstring str; /* the string above in single byte, null terminated form */
-
+typedef struct rpc_addr_info {
+ uint16 len; /* length of the string including null terminator */
+ fstring str; /* the string above in single byte, null terminated form */
} RPC_ADDR_STR;
-/* RPC_HDR_BBA */
-typedef struct rpc_hdr_bba_info
-{
- uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
- uint16 max_rsize; /* max receive fragment size (0x1630) */
- uint32 assoc_gid; /* associated group id (0x0) */
-
-} RPC_HDR_BBA;
-
-#define RPC_HDR_BBA_LEN 8
-
-/* RPC_HDR_AUTHA */
-typedef struct rpc_hdr_autha_info
-{
+/* RPC_HDR_BBA - bind acknowledge, and alter context response. */
+typedef struct rpc_hdr_bba_info {
uint16 max_tsize; /* maximum transmission fragment size (0x1630) */
uint16 max_rsize; /* max receive fragment size (0x1630) */
+ uint32 assoc_gid; /* associated group id (0x0) */
+} RPC_HDR_BBA;
- uint8 auth_type; /* 0x0a */
- uint8 auth_level; /* 0x06 */
- uint8 stub_type_len; /* don't know */
- uint8 padding; /* padding */
-
- uint32 unknown; /* 0x0014a0c0 */
-
-} RPC_HDR_AUTHA;
-
-#define RPC_HDR_AUTHA_LEN 12
+#define RPC_HDR_BBA_LEN 8
/* RPC_HDR_AUTH */
-typedef struct rpc_hdr_auth_info
-{
- uint8 auth_type; /* 0x0a */
- uint8 auth_level; /* 0x06 */
- uint8 stub_type_len; /* don't know */
- uint8 padding; /* padding */
-
- uint32 unknown; /* pointer */
-
+typedef struct rpc_hdr_auth_info {
+ uint8 auth_type; /* See XXX_AUTH_TYPE above. */
+ uint8 auth_level; /* See RPC_PIPE_AUTH_XXX_LEVEL above. */
+ uint8 auth_pad_len;
+ uint8 auth_reserved;
+ uint32 auth_context_id;
} RPC_HDR_AUTH;
#define RPC_HDR_AUTH_LEN 8
-/* RPC_BIND_REQ - ms req bind */
-typedef struct rpc_bind_req_info
-{
- RPC_HDR_BBA bba;
+/* this is TEMPORARILY coded up as a specific structure */
+/* this structure comes after the bind request */
+/* RPC_AUTH_SCHANNEL_NEG */
+typedef struct rpc_auth_schannel_neg_info {
+ uint32 type1; /* Always zero ? */
+ uint32 type2; /* Types 0x3 and 0x13 seen. Check AcquireSecurityContext() docs.... */
+ fstring domain; /* calling workstations's domain */
+ fstring myname; /* calling workstation's name */
+} RPC_AUTH_SCHANNEL_NEG;
- uint32 num_elements; /* the number of elements (0x1) */
- uint16 context_id; /* presentation context identifier (0x0) */
- uint8 num_syntaxes; /* the number of syntaxes (has always been 1?)(0x1) */
+/* attached to the end of encrypted rpc requests and responses */
+/* RPC_AUTH_SCHANNEL_CHK */
+typedef struct rpc_auth_schannel_chk_info {
+ uint8 sig [8]; /* 77 00 7a 00 ff ff 00 00 */
+ uint8 packet_digest[8]; /* checksum over the packet, MD5'ed with session key */
+ uint8 seq_num[8]; /* verifier, seq num */
+ uint8 confounder[8]; /* random 8-byte nonce */
+} RPC_AUTH_SCHANNEL_CHK;
+
+typedef struct rpc_context {
+ uint16 context_id; /* presentation context identifier. */
+ uint8 num_transfer_syntaxes; /* the number of syntaxes */
+ RPC_IFACE abstract; /* num and vers. of interface client is using */
+ RPC_IFACE *transfer; /* Array of transfer interfaces. */
+} RPC_CONTEXT;
- RPC_IFACE abstract; /* num and vers. of interface client is using */
- RPC_IFACE transfer; /* num and vers. of interface to use for replies */
-
+/* RPC_BIND_REQ - ms req bind */
+typedef struct rpc_bind_req_info {
+ RPC_HDR_BBA bba;
+ uint8 num_contexts; /* the number of contexts */
+ RPC_CONTEXT *rpc_context;
} RPC_HDR_RB;
/*
- * The following length is 8 bytes RPC_HDR_BBA_LEN, 8 bytes internals
- * (with 3 bytes padding), + 2 x RPC_IFACE_LEN bytes for RPC_IFACE structs.
+ * The following length is 8 bytes RPC_HDR_BBA_LEN +
+ * 4 bytes size of context count +
+ * (context_count * (4 bytes of context_id, size of transfer syntax count + RPC_IFACE_LEN bytes +
+ * (transfer_syntax_count * RPC_IFACE_LEN bytes)))
*/
-#define RPC_HDR_RB_LEN (RPC_HDR_BBA_LEN + 8 + (2*RPC_IFACE_LEN))
+#define RPC_HDR_RB_LEN(rpc_hdr_rb) (RPC_HDR_BBA_LEN + 4 + \
+ ((rpc_hdr_rb)->num_contexts) * (4 + RPC_IFACE_LEN + (((rpc_hdr_rb)->rpc_context->num_transfer_syntaxes)*RPC_IFACE_LEN)))
/* RPC_RESULTS - can only cope with one reason, right now... */
-typedef struct rpc_results_info
-{
-/* uint8[] # 4-byte alignment padding, against SMB header */
-
- uint8 num_results; /* the number of results (0x01) */
+typedef struct rpc_results_info {
+ /* uint8[] # 4-byte alignment padding, against SMB header */
-/* uint8[] # 4-byte alignment padding, against SMB header */
+ uint8 num_results; /* the number of results (0x01) */
- uint16 result; /* result (0x00 = accept) */
- uint16 reason; /* reason (0x00 = no reason specified) */
+ /* uint8[] # 4-byte alignment padding, against SMB header */
+ uint16 result; /* result (0x00 = accept) */
+ uint16 reason; /* reason (0x00 = no reason specified) */
} RPC_RESULTS;
/* RPC_HDR_BA */
-typedef struct rpc_hdr_ba_info
-{
- RPC_HDR_BBA bba;
-
- RPC_ADDR_STR addr ; /* the secondary address string, as described earlier */
- RPC_RESULTS res ; /* results and reasons */
- RPC_IFACE transfer; /* the transfer syntax from the request */
+typedef struct rpc_hdr_ba_info {
+ RPC_HDR_BBA bba;
+ RPC_ADDR_STR addr ; /* the secondary address string, as described earlier */
+ RPC_RESULTS res ; /* results and reasons */
+ RPC_IFACE transfer; /* the transfer syntax from the request */
} RPC_HDR_BA;
/* RPC_AUTH_VERIFIER */
-typedef struct rpc_auth_verif_info
-{
- fstring signature; /* "NTLMSSP" */
- uint32 msg_type; /* NTLMSSP_MESSAGE_TYPE (1,2,3) */
-
+typedef struct rpc_auth_verif_info {
+ fstring signature; /* "NTLMSSP".. Ok, not quite anymore */
+ uint32 msg_type; /* NTLMSSP_MESSAGE_TYPE (1,2,3) and 5 for schannel */
} RPC_AUTH_VERIFIER;
-/* this is TEMPORARILY coded up as a specific structure */
-/* this structure comes after the bind request */
-/* RPC_AUTH_NTLMSSP_NEG */
-typedef struct rpc_auth_ntlmssp_neg_info
-{
- uint32 neg_flgs; /* 0x0000 b2b3 */
-
- STRHDR hdr_myname; /* offset is against START of this structure */
- STRHDR hdr_domain; /* offset is against START of this structure */
-
- fstring myname; /* calling workstation's name */
- fstring domain; /* calling workstations's domain */
-
-} RPC_AUTH_NTLMSSP_NEG;
-
-/* this is TEMPORARILY coded up as a specific structure */
-/* this structure comes after the bind acknowledgement */
-/* RPC_AUTH_NTLMSSP_CHAL */
-typedef struct rpc_auth_ntlmssp_chal_info
-{
- uint32 unknown_1; /* 0x0000 0000 */
- uint32 unknown_2; /* 0x0000 0028 */
- uint32 neg_flags; /* 0x0000 82b1 */
-
- uint8 challenge[8]; /* ntlm challenge */
- uint8 reserved [8]; /* zeros */
-
-} RPC_AUTH_NTLMSSP_CHAL;
-
-
-/* RPC_AUTH_NTLMSSP_RESP */
-typedef struct rpc_auth_ntlmssp_resp_info
-{
- STRHDR hdr_lm_resp; /* 24 byte response */
- STRHDR hdr_nt_resp; /* 24 byte response */
- STRHDR hdr_domain;
- STRHDR hdr_usr;
- STRHDR hdr_wks;
- STRHDR hdr_sess_key; /* NULL unless negotiated */
- uint32 neg_flags; /* 0x0000 82b1 */
-
- fstring sess_key;
- fstring wks;
- fstring user;
- fstring domain;
- fstring nt_resp;
- fstring lm_resp;
-
-} RPC_AUTH_NTLMSSP_RESP;
-
-/* attached to the end of encrypted rpc requests and responses */
-/* RPC_AUTH_NTLMSSP_CHK */
-typedef struct rpc_auth_ntlmssp_chk_info
-{
- uint32 ver; /* 0x0000 0001 */
- uint32 reserved;
- uint32 crc32; /* checksum using 0xEDB8 8320 as a polynomial */
- uint32 seq_num;
-
-} RPC_AUTH_NTLMSSP_CHK;
-
-#define RPC_AUTH_NTLMSSP_CHK_LEN 16
-
#endif /* _DCE_RPC_H */
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