diff options
Diffstat (limited to 'source/rpc_parse/parse_rpc.c')
| -rw-r--r-- | source/rpc_parse/parse_rpc.c | 529 |
1 files changed, 529 insertions, 0 deletions
diff --git a/source/rpc_parse/parse_rpc.c b/source/rpc_parse/parse_rpc.c new file mode 100644 index 00000000000..ac01e7f0b13 --- /dev/null +++ b/source/rpc_parse/parse_rpc.c @@ -0,0 +1,529 @@ + +/* + * Unix SMB/Netbios implementation. + * Version 1.9. + * RPC Pipe client / server routines + * 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 2 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, write to the Free Software + * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + + +#include "includes.h" + +extern int DEBUGLEVEL; + + +/******************************************************************* +interface/version dce/rpc pipe identification +********************************************************************/ + +#define TRANS_SYNT_V2 \ +{ \ + { \ + 0x04, 0x5d, 0x88, 0x8a, \ + 0xeb, 0x1c, 0xc9, 0x11, \ + 0x9f, 0xe8, 0x08, 0x00, \ + 0x2b, 0x10, 0x48, 0x60 \ + }, 0x02 \ +} \ + +#define SYNT_NETLOGON_V2 \ +{ \ + { \ + 0x04, 0x5d, 0x88, 0x8a, \ + 0xeb, 0x1c, 0xc9, 0x11, \ + 0x9f, 0xe8, 0x08, 0x00, \ + 0x2b, 0x10, 0x48, 0x60 \ + }, 0x02 \ +} \ + +#define SYNT_WKSSVC_V1 \ +{ \ + { \ + 0x98, 0xd0, 0xff, 0x6b, \ + 0x12, 0xa1, 0x10, 0x36, \ + 0x98, 0x33, 0x46, 0xc3, \ + 0xf8, 0x7e, 0x34, 0x5a \ + }, 0x01 \ +} \ + +#define SYNT_SRVSVC_V3 \ +{ \ + { \ + 0xc8, 0x4f, 0x32, 0x4b, \ + 0x70, 0x16, 0xd3, 0x01, \ + 0x12, 0x78, 0x5a, 0x47, \ + 0xbf, 0x6e, 0xe1, 0x88 \ + }, 0x03 \ +} \ + +#define SYNT_LSARPC_V0 \ +{ \ + { \ + 0x78, 0x57, 0x34, 0x12, \ + 0x34, 0x12, 0xcd, 0xab, \ + 0xef, 0x00, 0x01, 0x23, \ + 0x45, 0x67, 0x89, 0xab \ + }, 0x00 \ +} \ + +#define SYNT_SAMR_V1 \ +{ \ + { \ + 0x78, 0x57, 0x34, 0x12, \ + 0x34, 0x12, 0xcd, 0xab, \ + 0xef, 0x00, 0x01, 0x23, \ + 0x45, 0x67, 0x89, 0xac \ + }, 0x01 \ +} \ + +#define SYNT_NETLOGON_V1 \ +{ \ + { \ + 0x78, 0x56, 0x34, 0x12, \ + 0x34, 0x12, 0xcd, 0xab, \ + 0xef, 0x00, 0x01, 0x23, \ + 0x45, 0x67, 0xcf, 0xfb \ + }, 0x01 \ +} \ + +#define SYNT_WINREG_V1 \ +{ \ + { \ + 0x01, 0xd0, 0x8c, 0x33, \ + 0x44, 0x22, 0xf1, 0x31, \ + 0xaa, 0xaa, 0x90, 0x00, \ + 0x38, 0x00, 0x10, 0x03 \ + }, 0x01 \ +} \ + +#define SYNT_NONE_V0 \ +{ \ + { \ + 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00, \ + 0x00, 0x00, 0x00, 0x00 \ + }, 0x00 \ +} \ + +/* pipe string names */ +#define PIPE_SRVSVC "\\PIPE\\srvsvc" +#define PIPE_SAMR "\\PIPE\\samr" +#define PIPE_WINREG "\\PIPE\\winreg" +#define PIPE_WKSSVC "\\PIPE\\wkssvc" +#define PIPE_NETLOGON "\\PIPE\\NETLOGON" +#define PIPE_NTLSA "\\PIPE\\ntlsa" +#define PIPE_NTSVCS "\\PIPE\\ntsvcs" +#define PIPE_LSASS "\\PIPE\\lsass" +#define PIPE_LSARPC "\\PIPE\\lsarpc" + +struct pipe_id_info pipe_names [] = +{ + /* client pipe , abstract syntax , server pipe , transfer syntax */ + { PIPE_LSARPC , SYNT_LSARPC_V0 , PIPE_LSASS , TRANS_SYNT_V2 }, + { PIPE_SAMR , SYNT_SAMR_V1 , PIPE_LSASS , TRANS_SYNT_V2 }, + { PIPE_NETLOGON, SYNT_NETLOGON_V1, PIPE_LSASS , TRANS_SYNT_V2 }, + { PIPE_SRVSVC , SYNT_SRVSVC_V3 , PIPE_NTSVCS , TRANS_SYNT_V2 }, + { PIPE_WKSSVC , SYNT_WKSSVC_V1 , PIPE_NTSVCS , TRANS_SYNT_V2 }, + { PIPE_WINREG , SYNT_WINREG_V1 , PIPE_WINREG , TRANS_SYNT_V2 }, + { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 } +}; + +/******************************************************************* +creates an RPC_HDR structure. +********************************************************************/ +void make_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags, + uint32 call_id, int data_len, int auth_len) +{ + if (hdr == NULL) return; + + hdr->major = 5; /* RPC version 5 */ + hdr->minor = 0; /* minor version 0 */ + hdr->pkt_type = pkt_type; /* RPC packet type */ + hdr->flags = flags; /* dce/rpc flags */ + hdr->pack_type = 0x10; /* packed data representation */ + hdr->frag_len = data_len; /* fragment length, fill in later */ + hdr->auth_len = auth_len; /* authentication length */ + hdr->call_id = call_id; /* call identifier - match incoming RPC */ +} + +/******************************************************************* +reads or writes an RPC_HDR structure. +********************************************************************/ +void smb_io_rpc_hdr(char *desc, RPC_HDR *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr"); + depth++; + + prs_uint8 ("major ", ps, depth, &(rpc->major)); + prs_uint8 ("minor ", ps, depth, &(rpc->minor)); + prs_uint8 ("pkt_type ", ps, depth, &(rpc->pkt_type)); + prs_uint8 ("flags ", ps, depth, &(rpc->flags)); + prs_uint32("pack_type ", ps, depth, &(rpc->pack_type)); + prs_uint16("frag_len ", ps, depth, &(rpc->frag_len)); + prs_uint16("auth_len ", ps, depth, &(rpc->auth_len)); + prs_uint32("call_id ", ps, depth, &(rpc->call_id)); +} + +/******************************************************************* +reads or writes an RPC_IFACE structure. +********************************************************************/ +static void smb_io_rpc_iface(char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth) +{ + if (ifc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_iface"); + depth++; + + prs_align(ps); + + prs_uint8s (False, "data ", ps, depth, ifc->data, sizeof(ifc->data)); + prs_uint32 ( "version", ps, depth, &(ifc->version)); +} + +/******************************************************************* +creates an RPC_ADDR_STR structure. +********************************************************************/ +static void make_rpc_addr_str(RPC_ADDR_STR *str, char *name) +{ + if (str == NULL || name == NULL) return; + + str->len = strlen(name) + 1; + fstrcpy(str->str, name); +} + +/******************************************************************* +reads or writes an RPC_ADDR_STR structure. +********************************************************************/ +static void smb_io_rpc_addr_str(char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth) +{ + if (str == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_addr_str"); + depth++; + prs_align(ps); + + prs_uint16 ( "len", ps, depth, &(str->len)); + prs_uint8s (True, "str", ps, depth, (uchar*)str->str, str->len); +} + +/******************************************************************* +creates an RPC_HDR_BBA structure. +********************************************************************/ +static void make_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid) +{ + if (bba == NULL) return; + + bba->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */ + bba->max_rsize = max_rsize; /* max receive fragment size (0x1630) */ + bba->assoc_gid = assoc_gid; /* associated group id (0x0) */ +} + +/******************************************************************* +reads or writes an RPC_HDR_BBA structure. +********************************************************************/ +static void smb_io_rpc_hdr_bba(char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba"); + depth++; + + prs_uint16("max_tsize", ps, depth, &(rpc->max_tsize)); + prs_uint16("max_rsize", ps, depth, &(rpc->max_rsize)); + prs_uint32("assoc_gid", ps, depth, &(rpc->assoc_gid)); +} + +/******************************************************************* +creates an RPC_HDR_RB structure. +********************************************************************/ +void make_rpc_hdr_rb(RPC_HDR_RB *rpc, + uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid, + uint32 num_elements, uint16 context_id, uint8 num_syntaxes, + RPC_IFACE *abstract, RPC_IFACE *transfer) +{ + if (rpc == NULL) return; + + make_rpc_hdr_bba(&(rpc->bba), max_tsize, max_rsize, assoc_gid); + + rpc->num_elements = num_elements ; /* the number of elements (0x1) */ + rpc->context_id = context_id ; /* presentation context identifier (0x0) */ + rpc->num_syntaxes = num_syntaxes ; /* the number of syntaxes (has always been 1?)(0x1) */ + + /* num and vers. of interface client is using */ + memcpy(&(rpc->abstract), abstract, sizeof(rpc->abstract)); + + /* num and vers. of interface to use for replies */ + memcpy(&(rpc->transfer), transfer, sizeof(rpc->transfer)); +} + +/******************************************************************* +reads or writes an RPC_HDR_RB structure. +********************************************************************/ +void smb_io_rpc_hdr_rb(char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb"); + depth++; + + smb_io_rpc_hdr_bba("", &(rpc->bba), ps, depth); + + prs_uint32("num_elements", ps, depth, &(rpc->num_elements)); + prs_uint16("context_id ", ps, depth, &(rpc->context_id )); + prs_uint8 ("num_syntaxes", ps, depth, &(rpc->num_syntaxes)); + + smb_io_rpc_iface("", &(rpc->abstract), ps, depth); + smb_io_rpc_iface("", &(rpc->transfer), ps, depth); +} + +/******************************************************************* +creates an RPC_RESULTS structure. + +lkclXXXX only one reason at the moment! + +********************************************************************/ +static void make_rpc_results(RPC_RESULTS *res, + uint8 num_results, uint16 result, uint16 reason) +{ + if (res == NULL) return; + + res->num_results = num_results; /* the number of results (0x01) */ + res->result = result ; /* result (0x00 = accept) */ + res->reason = reason ; /* reason (0x00 = no reason specified) */ +} + +/******************************************************************* +reads or writes an RPC_RESULTS structure. + +lkclXXXX only one reason at the moment! + +********************************************************************/ +static void smb_io_rpc_results(char *desc, RPC_RESULTS *res, prs_struct *ps, int depth) +{ + if (res == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_results"); + depth++; + + prs_align(ps); + + prs_uint8 ("num_results", ps, depth, &(res->num_results)); + + prs_align(ps); + + prs_uint16("result ", ps, depth, &(res->result )); + prs_uint16("reason ", ps, depth, &(res->reason )); +} + +/******************************************************************* +creates an RPC_HDR_BA structure. + +lkclXXXX only one reason at the moment! + +********************************************************************/ +void make_rpc_hdr_ba(RPC_HDR_BA *rpc, + uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid, + char *pipe_addr, + uint8 num_results, uint16 result, uint16 reason, + RPC_IFACE *transfer) +{ + if (rpc == NULL || transfer == NULL || pipe_addr == NULL) return; + + make_rpc_hdr_bba (&(rpc->bba ), max_tsize, max_rsize, assoc_gid); + make_rpc_addr_str(&(rpc->addr), pipe_addr); + make_rpc_results (&(rpc->res ), num_results, result, reason); + + /* the transfer syntax from the request */ + memcpy(&(rpc->transfer), transfer, sizeof(rpc->transfer)); +} + +/******************************************************************* +reads or writes an RPC_HDR_BA structure. +********************************************************************/ +void smb_io_rpc_hdr_ba(char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba"); + depth++; + + smb_io_rpc_hdr_bba ("", &(rpc->bba) , ps, depth); + smb_io_rpc_addr_str("", &(rpc->addr) , ps, depth); + smb_io_rpc_results ("", &(rpc->res) , ps, depth); + smb_io_rpc_iface ("", &(rpc->transfer), ps, depth); +} + +/******************************************************************* +creates an RPC_HDR_REQ structure. +********************************************************************/ +void make_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 data_len, uint16 opnum) +{ + if (hdr == NULL) return; + + hdr->alloc_hint = data_len - 0x18; /* allocation hint */ + hdr->context_id = 0; /* presentation context identifier */ + hdr->opnum = opnum; /* opnum */ +} + +/******************************************************************* +reads or writes an RPC_HDR_REQ structure. +********************************************************************/ +void smb_io_rpc_hdr_req(char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req"); + depth++; + + prs_uint32("alloc_hint", ps, depth, &(rpc->alloc_hint)); + prs_uint16("context_id", ps, depth, &(rpc->context_id)); + prs_uint16("opnum ", ps, depth, &(rpc->opnum)); +} + +/******************************************************************* +reads or writes an RPC_HDR_RESP structure. +********************************************************************/ +void smb_io_rpc_hdr_resp(char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth) +{ + if (rpc == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp"); + depth++; + + prs_uint32("alloc_hint", ps, depth, &(rpc->alloc_hint)); + prs_uint16("context_id", ps, depth, &(rpc->context_id)); + prs_uint8 ("cancel_ct ", ps, depth, &(rpc->cancel_count)); + prs_uint8 ("reserved ", ps, depth, &(rpc->reserved)); +} + +/******************************************************************* +creates an RPC_AUTH_NTLMSSP_REQ structure. +********************************************************************/ +void make_rpc_auth_ntlmssp_req(RPC_AUTH_NTLMSSP_REQ *req, + fstring ntlmssp_str, uint32 ntlmssp_ver, + uint32 unknown_0, fstring myname, fstring domain) +{ + int len_myname = strlen(myname); + int len_domain = strlen(domain); + + if (req == NULL) return; + + fstrcpy(req->ntlmssp_str, ntlmssp_str); /* "NTLMSSP" */ + req->ntlmssp_ver = ntlmssp_ver; /* 0x0000 0001 */ + + req->unknown_0 = unknown_0 ; /* 0x00b2b3 */ + make_str_hdr(&req->hdr_myname, len_myname, len_myname, 1); + make_str_hdr(&req->hdr_domain, len_domain, len_domain, 1); + + fstrcpy(req->myname, myname); + fstrcpy(req->domain, domain); +} + +/******************************************************************* +reads or writes an RPC_AUTH_NTLMSSP_REQ structure. +********************************************************************/ +void smb_io_rpc_auth_ntlmssp_req(char *desc, RPC_AUTH_NTLMSSP_REQ *req, prs_struct *ps, int depth) +{ + if (req == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_req"); + depth++; + + prs_string("ntlmssp_str", ps, depth, req->ntlmssp_str, 0); /* "NTLMSSP" */ + prs_uint32("ntlmssp_ver", ps, depth, &(req->ntlmssp_ver )); + + prs_uint32("unknown_0 ", ps, depth, &(req->unknown_0 )); + smb_io_strhdr("hdr_myname", &(req->hdr_myname), ps, depth); + smb_io_strhdr("hdr_domain", &(req->hdr_domain), ps, depth); + + prs_string("myname", ps, depth, req->myname, req->hdr_myname.str_str_len); + prs_string("domain", ps, depth, req->domain, req->hdr_domain.str_str_len); +} + +/******************************************************************* +creates an RPC_AUTH_NTLMSSP_RESP structure. +********************************************************************/ +void make_rpc_auth_ntlmssp_resp(RPC_AUTH_NTLMSSP_RESP *rsp, + uint8 auth_type, uint8 auth_level, uint8 stub_type_len, + fstring ntlmssp_str, uint32 ntlmssp_ver, + uint32 unknown_1, uint32 unknown_2, uint32 unknown_3, + uint8 data[16]) +{ + if (rsp == NULL) return; + + rsp->auth_type = auth_type; /* nt lm ssp 0x0a */ + rsp->auth_level = auth_level; /* 0x06 */ + rsp->stub_type_len = stub_type_len; /* dunno. */ + rsp->padding = 0; /* padding */ + + rsp->ptr_0 = 1; /* non-zero pointer to something */ + + fstrcpy(rsp->ntlmssp_str, ntlmssp_str); /* "NTLMSSP" */ + rsp->ntlmssp_ver = ntlmssp_ver; /* 0x0000 0002 */ + + rsp->unknown_1 = unknown_1; /* 0x0000 0000 */ + rsp->unknown_2 = unknown_2; /* 0x00b2b3 */ + rsp->unknown_3 = unknown_3; /* 0x0082b1 */ + + memcpy(rsp->data, data, sizeof(rsp->data)); /* 0x10 bytes of something, 8 of which are zeros */ +} + +/******************************************************************* +reads or writes an RPC_AUTH_NTLMSSP_RESP structure. +********************************************************************/ +void smb_io_rpc_auth_ntlmssp_resp(char *desc, RPC_AUTH_NTLMSSP_RESP *rsp, prs_struct *ps, int depth) +{ + if (rsp == NULL) return; + + prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_resp"); + depth++; + + prs_uint8("auth_type", ps, depth, &(rsp->auth_type)); /* nt lm ssp 0x0a */ + prs_uint8("auth_level", ps, depth, &(rsp->auth_level));/* 0x06 */ + prs_uint8("stub_type_len", ps, depth, &(rsp->stub_type_len)); + prs_uint8("padding", ps, depth, &(rsp->padding)); + + prs_uint32("ptr_0", ps, depth, &(rsp->ptr_0 )); /* non-zero pointer to something */ + + prs_string("ntlmssp_str", ps, depth, rsp->ntlmssp_str, 0); /* "NTLMSSP" */ + prs_uint32("ntlmssp_ver", ps, depth, &(rsp->ntlmssp_ver )); /* 0x0000 0002 */ + + prs_uint32("unknown_1", ps, depth, &(rsp->unknown_1)); /* 0x0000 0000 */ + prs_uint32("unknown_2", ps, depth, &(rsp->unknown_2)); /* 0x00b2b3 */ + prs_uint32("unknown_3", ps, depth, &(rsp->unknown_3)); /* 0x0082b1 */ + + prs_uint8s (False, "data", ps, depth, rsp->data, sizeof(rsp->data)); +} + +#if 0 + +/* attached to the end of encrypted rpc requests and responses */ +/* RPC_AUTH_NTLMSSP_CHK */ +typedef struct rpc_auth_ntlmssp_chk_info +{ + uint32 ver; /* 0x1 */ + uint8 data[12]; + +} RPC_AUTH_NTLMSSP_CHK; + +#endif /* 0 */ + |