/* Unix SMB/CIFS implementation. SMB parameters and setup Copyright (C) Andrew Tridgell 1992-1997 Copyright (C) Luke Kenneth Casson Leighton 1996-1997 Copyright (C) Paul Ashton 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 3 of the License, or (at your option) any later version. This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 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, see <http://www.gnu.org/licenses/>. */ #ifndef _DCE_RPC_H /* _DCE_RPC_H */ #define _DCE_RPC_H #define RPC_AUTH_SCHANNEL_SIGN_OR_SEAL_CHK_LEN 0x20 /* Maximum size of the signing data in a fragment. */ #define RPC_MAX_SIGN_SIZE 0x38 /* 56 */ /* 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 */ #define RPC_IFACE_LEN (UUID_SIZE + 4) /* 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; /* dcerpc_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; /* 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. */ } RPC_HDR_RESP; #define RPC_HDR_RESP_LEN 8 /* RPC_HDR_FAULT - fault rpc header */ typedef struct rpc_hdr_fault_info { NTSTATUS status; uint32 reserved; /* 0x0000 0000 */ } RPC_HDR_FAULT; #define RPC_HDR_FAULT_LEN 8 /* this seems to be the same string name depending on the name of the pipe, * but is more likely to be linked to the interface name * "srvsvc", "\\PIPE\\ntsvcs" * "samr", "\\PIPE\\lsass" * "wkssvc", "\\PIPE\\wksvcs" * "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 */ } RPC_ADDR_STR; /* 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; #define RPC_HDR_BBA_LEN 8 /* RPC_HDR_AUTH */ 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 typedef struct rpc_context { uint16 context_id; /* presentation context identifier. */ uint8 num_transfer_syntaxes; /* the number of syntaxes */ struct ndr_syntax_id abstract; /* num and vers. of interface client is using */ struct ndr_syntax_id *transfer; /* Array of transfer interfaces. */ } RPC_CONTEXT; /* 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 + * 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_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) */ /* 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 */ struct ndr_syntax_id transfer; /* the transfer syntax from the request */ } RPC_HDR_BA; #endif /* _DCE_RPC_H */