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-rw-r--r--source3/rpc_parse/parse_rpc.c1088
1 files changed, 1088 insertions, 0 deletions
diff --git a/source3/rpc_parse/parse_rpc.c b/source3/rpc_parse/parse_rpc.c
new file mode 100644
index 0000000000..ee15d7cded
--- /dev/null
+++ b/source3/rpc_parse/parse_rpc.c
@@ -0,0 +1,1088 @@
+/*
+ * Unix SMB/CIFS implementation.
+ * RPC Pipe client / server routines
+ * Copyright (C) Andrew Tridgell 1992-1997,
+ * Copyright (C) Luke Kenneth Casson Leighton 1996-1997,
+ * Copyright (C) Paul Ashton 1997.
+ * Copyright (C) Jeremy Allison 1999.
+ *
+ * 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"
+
+/*******************************************************************
+interface/version dce/rpc pipe identification
+********************************************************************/
+
+#define TRANS_SYNT_V2 \
+{ \
+ { \
+ 0x8a885d04, 0x1ceb, 0x11c9, \
+ { 0x9f, 0xe8, 0x08, 0x00, \
+ 0x2b, 0x10, 0x48, 0x60 } \
+ }, 0x02 \
+}
+
+#define SYNT_NETLOGON_V2 \
+{ \
+ { \
+ 0x8a885d04, 0x1ceb, 0x11c9, \
+ { 0x9f, 0xe8, 0x08, 0x00, \
+ 0x2b, 0x10, 0x48, 0x60 } \
+ }, 0x02 \
+}
+
+#define SYNT_WKSSVC_V1 \
+{ \
+ { \
+ 0x6bffd098, 0xa112, 0x3610, \
+ { 0x98, 0x33, 0x46, 0xc3, \
+ 0xf8, 0x7e, 0x34, 0x5a } \
+ }, 0x01 \
+}
+
+#define SYNT_SRVSVC_V3 \
+{ \
+ { \
+ 0x4b324fc8, 0x1670, 0x01d3, \
+ { 0x12, 0x78, 0x5a, 0x47, \
+ 0xbf, 0x6e, 0xe1, 0x88 } \
+ }, 0x03 \
+}
+
+#define SYNT_LSARPC_V0 \
+{ \
+ { \
+ 0x12345778, 0x1234, 0xabcd, \
+ { 0xef, 0x00, 0x01, 0x23, \
+ 0x45, 0x67, 0x89, 0xab } \
+ }, 0x00 \
+}
+
+#define SYNT_SAMR_V1 \
+{ \
+ { \
+ 0x12345778, 0x1234, 0xabcd, \
+ { 0xef, 0x00, 0x01, 0x23, \
+ 0x45, 0x67, 0x89, 0xac } \
+ }, 0x01 \
+}
+
+#define SYNT_NETLOGON_V1 \
+{ \
+ { \
+ 0x12345678, 0x1234, 0xabcd, \
+ { 0xef, 0x00, 0x01, 0x23, \
+ 0x45, 0x67, 0xcf, 0xfb } \
+ }, 0x01 \
+}
+
+#define SYNT_WINREG_V1 \
+{ \
+ { \
+ 0x338cd001, 0x2244, 0x31f1, \
+ { 0xaa, 0xaa, 0x90, 0x00, \
+ 0x38, 0x00, 0x10, 0x03 } \
+ }, 0x01 \
+}
+
+#define SYNT_SPOOLSS_V1 \
+{ \
+ { \
+ 0x12345678, 0x1234, 0xabcd, \
+ { 0xef, 0x00, 0x01, 0x23, \
+ 0x45, 0x67, 0x89, 0xab } \
+ }, 0x01 \
+}
+
+#define SYNT_NONE_V0 \
+{ \
+ { \
+ 0x0, 0x0, 0x0, \
+ { 0x00, 0x00, 0x00, 0x00, \
+ 0x00, 0x00, 0x00, 0x00 } \
+ }, 0x00 \
+}
+
+#define SYNT_NETDFS_V3 \
+{ \
+ { \
+ 0x4fc742e0, 0x4a10, 0x11cf, \
+ { 0x82, 0x73, 0x00, 0xaa, \
+ 0x00, 0x4a, 0xe6, 0x73 } \
+ }, 0x03 \
+}
+
+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 },
+ { PIPE_SPOOLSS , SYNT_SPOOLSS_V1 , PIPE_SPOOLSS , TRANS_SYNT_V2 },
+ { PIPE_NETDFS , SYNT_NETDFS_V3 , PIPE_NETDFS , TRANS_SYNT_V2 },
+ { NULL , SYNT_NONE_V0 , NULL , SYNT_NONE_V0 }
+};
+
+/*******************************************************************
+ Inits an RPC_HDR structure.
+********************************************************************/
+
+void init_rpc_hdr(RPC_HDR *hdr, enum RPC_PKT_TYPE pkt_type, uint8 flags,
+ uint32 call_id, int data_len, int auth_len)
+{
+ 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[0] = 0x10; /* little-endian data representation */
+ hdr->pack_type[1] = 0; /* packed data representation */
+ hdr->pack_type[2] = 0; /* packed data representation */
+ hdr->pack_type[3] = 0; /* 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.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr(char *desc, RPC_HDR *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr");
+ depth++;
+
+ if(!prs_uint8 ("major ", ps, depth, &rpc->major))
+ return False;
+
+ if(!prs_uint8 ("minor ", ps, depth, &rpc->minor))
+ return False;
+ if(!prs_uint8 ("pkt_type ", ps, depth, &rpc->pkt_type))
+ return False;
+ if(!prs_uint8 ("flags ", ps, depth, &rpc->flags))
+ return False;
+
+ /* We always marshall in little endian format. */
+ if (MARSHALLING(ps))
+ rpc->pack_type[0] = 0x10;
+
+ if(!prs_uint8("pack_type0", ps, depth, &rpc->pack_type[0]))
+ return False;
+ if(!prs_uint8("pack_type1", ps, depth, &rpc->pack_type[1]))
+ return False;
+ if(!prs_uint8("pack_type2", ps, depth, &rpc->pack_type[2]))
+ return False;
+ if(!prs_uint8("pack_type3", ps, depth, &rpc->pack_type[3]))
+ return False;
+
+ /*
+ * If reading and pack_type[0] == 0 then the data is in big-endian
+ * format. Set the flag in the prs_struct to specify reverse-endainness.
+ */
+
+ if (UNMARSHALLING(ps) && rpc->pack_type[0] == 0) {
+ DEBUG(10,("smb_io_rpc_hdr: PDU data format is big-endian. Setting flag.\n"));
+ prs_set_endian_data(ps, RPC_BIG_ENDIAN);
+ }
+
+ if(!prs_uint16("frag_len ", ps, depth, &rpc->frag_len))
+ return False;
+ if(!prs_uint16("auth_len ", ps, depth, &rpc->auth_len))
+ return False;
+ if(!prs_uint32("call_id ", ps, depth, &rpc->call_id))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_IFACE structure.
+********************************************************************/
+
+static BOOL smb_io_rpc_iface(char *desc, RPC_IFACE *ifc, prs_struct *ps, int depth)
+{
+ if (ifc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_iface");
+ depth++;
+
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint32 ("data ", ps, depth, &ifc->uuid.time_low))
+ return False;
+ if(!prs_uint16 ("data ", ps, depth, &ifc->uuid.time_mid))
+ return False;
+ if(!prs_uint16 ("data ", ps, depth, &ifc->uuid.time_hi_and_version))
+ return False;
+
+ if(!prs_uint8s (False, "data ", ps, depth, ifc->uuid.remaining, sizeof(ifc->uuid.remaining)))
+ return False;
+ if(!prs_uint32 ( "version", ps, depth, &ifc->version))
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_ADDR_STR structure.
+********************************************************************/
+
+static void init_rpc_addr_str(RPC_ADDR_STR *str, char *name)
+{
+ str->len = strlen(name) + 1;
+ fstrcpy(str->str, name);
+}
+
+/*******************************************************************
+ Reads or writes an RPC_ADDR_STR structure.
+********************************************************************/
+
+static BOOL smb_io_rpc_addr_str(char *desc, RPC_ADDR_STR *str, prs_struct *ps, int depth)
+{
+ if (str == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_addr_str");
+ depth++;
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint16 ( "len", ps, depth, &str->len))
+ return False;
+ if(!prs_uint8s (True, "str", ps, depth, (uchar*)str->str, MIN(str->len, sizeof(str->str)) ))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_HDR_BBA structure.
+********************************************************************/
+
+static void init_rpc_hdr_bba(RPC_HDR_BBA *bba, uint16 max_tsize, uint16 max_rsize, uint32 assoc_gid)
+{
+ 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 BOOL smb_io_rpc_hdr_bba(char *desc, RPC_HDR_BBA *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_bba");
+ depth++;
+
+ if(!prs_uint16("max_tsize", ps, depth, &rpc->max_tsize))
+ return False;
+ if(!prs_uint16("max_rsize", ps, depth, &rpc->max_rsize))
+ return False;
+ if(!prs_uint32("assoc_gid", ps, depth, &rpc->assoc_gid))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_HDR_RB structure.
+********************************************************************/
+
+void init_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)
+{
+ init_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 */
+ rpc->abstract = *abstract;
+
+ /* num and vers. of interface to use for replies */
+ rpc->transfer = *transfer;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_RB structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_rb(char *desc, RPC_HDR_RB *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_rb");
+ depth++;
+
+ if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
+ return False;
+
+ if(!prs_uint32("num_elements", ps, depth, &rpc->num_elements))
+ return False;
+ if(!prs_uint16("context_id ", ps, depth, &rpc->context_id ))
+ return False;
+ if(!prs_uint8 ("num_syntaxes", ps, depth, &rpc->num_syntaxes))
+ return False;
+
+ if(!smb_io_rpc_iface("", &rpc->abstract, ps, depth))
+ return False;
+ if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_RESULTS structure.
+
+ lkclXXXX only one reason at the moment!
+********************************************************************/
+
+static void init_rpc_results(RPC_RESULTS *res,
+ uint8 num_results, uint16 result, uint16 reason)
+{
+ 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 BOOL smb_io_rpc_results(char *desc, RPC_RESULTS *res, prs_struct *ps, int depth)
+{
+ if (res == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_results");
+ depth++;
+
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint8 ("num_results", ps, depth, &res->num_results))
+ return False;
+
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint16("result ", ps, depth, &res->result))
+ return False;
+ if(!prs_uint16("reason ", ps, depth, &res->reason))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Init an RPC_HDR_BA structure.
+
+ lkclXXXX only one reason at the moment!
+
+********************************************************************/
+
+void init_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)
+{
+ init_rpc_hdr_bba (&rpc->bba, max_tsize, max_rsize, assoc_gid);
+ init_rpc_addr_str(&rpc->addr, pipe_addr);
+ init_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.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_ba(char *desc, RPC_HDR_BA *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_ba");
+ depth++;
+
+ if(!smb_io_rpc_hdr_bba("", &rpc->bba, ps, depth))
+ return False;
+ if(!smb_io_rpc_addr_str("", &rpc->addr, ps, depth))
+ return False;
+ if(!smb_io_rpc_results("", &rpc->res, ps, depth))
+ return False;
+ if(!smb_io_rpc_iface("", &rpc->transfer, ps, depth))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Init an RPC_HDR_REQ structure.
+********************************************************************/
+
+void init_rpc_hdr_req(RPC_HDR_REQ *hdr, uint32 alloc_hint, uint16 opnum)
+{
+ hdr->alloc_hint = alloc_hint; /* allocation hint */
+ hdr->context_id = 0; /* presentation context identifier */
+ hdr->opnum = opnum; /* opnum */
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_REQ structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_req(char *desc, RPC_HDR_REQ *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_req");
+ depth++;
+
+ if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
+ return False;
+ if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
+ return False;
+ if(!prs_uint16("opnum ", ps, depth, &rpc->opnum))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_RESP structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_resp(char *desc, RPC_HDR_RESP *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_resp");
+ depth++;
+
+ if(!prs_uint32("alloc_hint", ps, depth, &rpc->alloc_hint))
+ return False;
+ if(!prs_uint16("context_id", ps, depth, &rpc->context_id))
+ return False;
+ if(!prs_uint8 ("cancel_ct ", ps, depth, &rpc->cancel_count))
+ return False;
+ if(!prs_uint8 ("reserved ", ps, depth, &rpc->reserved))
+ return False;
+ return True;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_FAULT structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_fault(char *desc, RPC_HDR_FAULT *rpc, prs_struct *ps, int depth)
+{
+ if (rpc == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_fault");
+ depth++;
+
+ if(!prs_ntstatus("status ", ps, depth, &rpc->status))
+ return False;
+ if(!prs_uint32("reserved", ps, depth, &rpc->reserved))
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Init an RPC_HDR_AUTHA structure.
+********************************************************************/
+
+void init_rpc_hdr_autha(RPC_HDR_AUTHA *rai,
+ uint16 max_tsize, uint16 max_rsize,
+ uint8 auth_type, uint8 auth_level,
+ uint8 stub_type_len)
+{
+ rai->max_tsize = max_tsize; /* maximum transmission fragment size (0x1630) */
+ rai->max_rsize = max_rsize; /* max receive fragment size (0x1630) */
+
+ rai->auth_type = auth_type; /* nt lm ssp 0x0a */
+ rai->auth_level = auth_level; /* 0x06 */
+ rai->stub_type_len = stub_type_len; /* 0x00 */
+ rai->padding = 0; /* padding 0x00 */
+
+ rai->unknown = 0x0014a0c0; /* non-zero pointer to something */
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_AUTHA structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_autha(char *desc, RPC_HDR_AUTHA *rai, prs_struct *ps, int depth)
+{
+ if (rai == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_autha");
+ depth++;
+
+ if(!prs_uint16("max_tsize ", ps, depth, &rai->max_tsize))
+ return False;
+ if(!prs_uint16("max_rsize ", ps, depth, &rai->max_rsize))
+ return False;
+
+ if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
+ return False;
+ if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level)) /* 0x06 */
+ return False;
+ if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
+ return False;
+ if(!prs_uint8 ("padding ", ps, depth, &rai->padding))
+ return False;
+
+ if(!prs_uint32("unknown ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Checks an RPC_HDR_AUTH structure.
+********************************************************************/
+
+BOOL rpc_hdr_auth_chk(RPC_HDR_AUTH *rai)
+{
+ return (rai->auth_type == NTLMSSP_AUTH_TYPE && rai->auth_level == NTLMSSP_AUTH_LEVEL);
+}
+
+/*******************************************************************
+ Inits an RPC_HDR_AUTH structure.
+********************************************************************/
+
+void init_rpc_hdr_auth(RPC_HDR_AUTH *rai,
+ uint8 auth_type, uint8 auth_level,
+ uint8 stub_type_len,
+ uint32 ptr)
+{
+ rai->auth_type = auth_type; /* nt lm ssp 0x0a */
+ rai->auth_level = auth_level; /* 0x06 */
+ rai->stub_type_len = stub_type_len; /* 0x00 */
+ rai->padding = 0; /* padding 0x00 */
+
+ rai->unknown = ptr; /* non-zero pointer to something */
+}
+
+/*******************************************************************
+ Reads or writes an RPC_HDR_AUTH structure.
+********************************************************************/
+
+BOOL smb_io_rpc_hdr_auth(char *desc, RPC_HDR_AUTH *rai, prs_struct *ps, int depth)
+{
+ if (rai == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_hdr_auth");
+ depth++;
+
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint8 ("auth_type ", ps, depth, &rai->auth_type)) /* 0x0a nt lm ssp */
+ return False;
+ if(!prs_uint8 ("auth_level ", ps, depth, &rai->auth_level)) /* 0x06 */
+ return False;
+ if(!prs_uint8 ("stub_type_len", ps, depth, &rai->stub_type_len))
+ return False;
+ if(!prs_uint8 ("padding ", ps, depth, &rai->padding))
+ return False;
+
+ if(!prs_uint32("unknown ", ps, depth, &rai->unknown)) /* 0x0014a0c0 */
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Checks an RPC_AUTH_VERIFIER structure.
+********************************************************************/
+
+BOOL rpc_auth_verifier_chk(RPC_AUTH_VERIFIER *rav,
+ char *signature, uint32 msg_type)
+{
+ return (strequal(rav->signature, signature) && rav->msg_type == msg_type);
+}
+
+/*******************************************************************
+ Inits an RPC_AUTH_VERIFIER structure.
+********************************************************************/
+
+void init_rpc_auth_verifier(RPC_AUTH_VERIFIER *rav,
+ char *signature, uint32 msg_type)
+{
+ fstrcpy(rav->signature, signature); /* "NTLMSSP" */
+ rav->msg_type = msg_type; /* NTLMSSP_MESSAGE_TYPE */
+}
+
+/*******************************************************************
+ Reads or writes an RPC_AUTH_VERIFIER structure.
+********************************************************************/
+
+BOOL smb_io_rpc_auth_verifier(char *desc, RPC_AUTH_VERIFIER *rav, prs_struct *ps, int depth)
+{
+ if (rav == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_auth_verifier");
+ depth++;
+
+ /* "NTLMSSP" */
+ if(!prs_string("signature", ps, depth, rav->signature, strlen("NTLMSSP"),
+ sizeof(rav->signature)))
+ return False;
+ if(!prs_uint32("msg_type ", ps, depth, &rav->msg_type)) /* NTLMSSP_MESSAGE_TYPE */
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_AUTH_NTLMSSP_NEG structure.
+********************************************************************/
+
+void init_rpc_auth_ntlmssp_neg(RPC_AUTH_NTLMSSP_NEG *neg,
+ uint32 neg_flgs,
+ fstring myname, fstring domain)
+{
+ int len_myname = strlen(myname);
+ int len_domain = strlen(domain);
+
+ neg->neg_flgs = neg_flgs ; /* 0x00b2b3 */
+
+ init_str_hdr(&neg->hdr_domain, len_domain, len_domain, 0x20 + len_myname);
+ init_str_hdr(&neg->hdr_myname, len_myname, len_myname, 0x20);
+
+ fstrcpy(neg->myname, myname);
+ fstrcpy(neg->domain, domain);
+}
+
+/*******************************************************************
+ Reads or writes an RPC_AUTH_NTLMSSP_NEG structure.
+
+ *** lkclXXXX HACK ALERT! ***
+********************************************************************/
+
+BOOL smb_io_rpc_auth_ntlmssp_neg(char *desc, RPC_AUTH_NTLMSSP_NEG *neg, prs_struct *ps, int depth)
+{
+ uint32 start_offset = prs_offset(ps);
+ if (neg == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_neg");
+ depth++;
+
+ if(!prs_uint32("neg_flgs ", ps, depth, &neg->neg_flgs))
+ return False;
+
+ if (ps->io) {
+ uint32 old_offset;
+ uint32 old_neg_flags = neg->neg_flgs;
+
+ /* reading */
+
+ ZERO_STRUCTP(neg);
+
+ neg->neg_flgs = old_neg_flags;
+
+ if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
+ return False;
+
+ old_offset = prs_offset(ps);
+
+ if(!prs_set_offset(ps, neg->hdr_myname.buffer + start_offset - 12))
+ return False;
+
+ if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
+ MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
+ return False;
+
+ old_offset += neg->hdr_myname.str_str_len;
+
+ if(!prs_set_offset(ps, neg->hdr_domain.buffer + start_offset - 12))
+ return False;
+
+ if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
+ MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain ))))
+ return False;
+
+ old_offset += neg->hdr_domain .str_str_len;
+
+ if(!prs_set_offset(ps, old_offset))
+ return False;
+ } else {
+ /* writing */
+ if(!smb_io_strhdr("hdr_domain", &neg->hdr_domain, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_myname", &neg->hdr_myname, ps, depth))
+ return False;
+
+ if(!prs_uint8s(True, "myname", ps, depth, (uint8*)neg->myname,
+ MIN(neg->hdr_myname.str_str_len, sizeof(neg->myname))))
+ return False;
+ if(!prs_uint8s(True, "domain", ps, depth, (uint8*)neg->domain,
+ MIN(neg->hdr_domain.str_str_len, sizeof(neg->domain ))))
+ return False;
+ }
+
+ return True;
+}
+
+/*******************************************************************
+creates an RPC_AUTH_NTLMSSP_CHAL structure.
+********************************************************************/
+
+void init_rpc_auth_ntlmssp_chal(RPC_AUTH_NTLMSSP_CHAL *chl,
+ uint32 neg_flags,
+ uint8 challenge[8])
+{
+ chl->unknown_1 = 0x0;
+ chl->unknown_2 = 0x00000028;
+ chl->neg_flags = neg_flags; /* 0x0082b1 */
+
+ memcpy(chl->challenge, challenge, sizeof(chl->challenge));
+ memset((char *)chl->reserved , '\0', sizeof(chl->reserved));
+}
+
+/*******************************************************************
+ Reads or writes an RPC_AUTH_NTLMSSP_CHAL structure.
+********************************************************************/
+
+BOOL smb_io_rpc_auth_ntlmssp_chal(char *desc, RPC_AUTH_NTLMSSP_CHAL *chl, prs_struct *ps, int depth)
+{
+ if (chl == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chal");
+ depth++;
+
+ if(!prs_uint32("unknown_1", ps, depth, &chl->unknown_1)) /* 0x0000 0000 */
+ return False;
+ if(!prs_uint32("unknown_2", ps, depth, &chl->unknown_2)) /* 0x0000 b2b3 */
+ return False;
+ if(!prs_uint32("neg_flags", ps, depth, &chl->neg_flags)) /* 0x0000 82b1 */
+ return False;
+
+ if(!prs_uint8s (False, "challenge", ps, depth, chl->challenge, sizeof(chl->challenge)))
+ return False;
+ if(!prs_uint8s (False, "reserved ", ps, depth, chl->reserved , sizeof(chl->reserved )))
+ return False;
+
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_AUTH_NTLMSSP_RESP structure.
+
+ *** lkclXXXX FUDGE! HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
+ *** lkclXXXX the actual offset is at the start of the auth verifier ***
+********************************************************************/
+
+void init_rpc_auth_ntlmssp_resp(RPC_AUTH_NTLMSSP_RESP *rsp,
+ uchar lm_resp[24], uchar nt_resp[24],
+ char *domain, char *user, char *wks,
+ uint32 neg_flags)
+{
+ uint32 offset;
+ int dom_len = strlen(domain);
+ int wks_len = strlen(wks);
+ int usr_len = strlen(user);
+ int lm_len = (lm_resp != NULL) ? 24 : 0;
+ int nt_len = (nt_resp != NULL) ? 24 : 0;
+
+ DEBUG(5,("make_rpc_auth_ntlmssp_resp\n"));
+
+#ifdef DEBUG_PASSWORD
+ DEBUG(100,("lm_resp\n"));
+ dump_data(100, (char *)lm_resp, 24);
+ DEBUG(100,("nt_resp\n"));
+ dump_data(100, (char *)nt_resp, 24);
+#endif
+
+ DEBUG(6,("dom: %s user: %s wks: %s neg_flgs: 0x%x\n",
+ domain, user, wks, neg_flags));
+
+ offset = 0x40;
+
+ if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
+ dom_len *= 2;
+ wks_len *= 2;
+ usr_len *= 2;
+ }
+
+ init_str_hdr(&rsp->hdr_domain, dom_len, dom_len, offset);
+ offset += dom_len;
+
+ init_str_hdr(&rsp->hdr_usr, usr_len, usr_len, offset);
+ offset += usr_len;
+
+ init_str_hdr(&rsp->hdr_wks, wks_len, wks_len, offset);
+ offset += wks_len;
+
+ init_str_hdr(&rsp->hdr_lm_resp, lm_len, lm_len, offset);
+ offset += lm_len;
+
+ init_str_hdr(&rsp->hdr_nt_resp, nt_len, nt_len, offset);
+ offset += nt_len;
+
+ init_str_hdr(&rsp->hdr_sess_key, 0, 0, offset);
+
+ rsp->neg_flags = neg_flags;
+
+ memcpy(rsp->lm_resp, lm_resp, 24);
+ memcpy(rsp->nt_resp, nt_resp, 24);
+
+ if (neg_flags & NTLMSSP_NEGOTIATE_UNICODE) {
+ rpcstr_push(rsp->domain, domain, sizeof(rsp->domain), 0);
+ rpcstr_push(rsp->user, user, sizeof(rsp->user), 0);
+ rpcstr_push(rsp->wks, wks, sizeof(rsp->wks), 0);
+ } else {
+ fstrcpy(rsp->domain, domain);
+ fstrcpy(rsp->user, user);
+ fstrcpy(rsp->wks, wks);
+ }
+
+ rsp->sess_key[0] = 0;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_AUTH_NTLMSSP_RESP structure.
+
+ *** lkclXXXX FUDGE! HAVE TO MANUALLY SPECIFY OFFSET HERE (0x1c bytes) ***
+ *** lkclXXXX the actual offset is at the start of the auth verifier ***
+********************************************************************/
+
+BOOL smb_io_rpc_auth_ntlmssp_resp(char *desc, RPC_AUTH_NTLMSSP_RESP *rsp, prs_struct *ps, int depth)
+{
+ if (rsp == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_resp");
+ depth++;
+
+ if (ps->io) {
+ uint32 old_offset;
+
+ /* reading */
+
+ ZERO_STRUCTP(rsp);
+
+ if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_domain ", &rsp->hdr_domain, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_user ", &rsp->hdr_usr, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_wks ", &rsp->hdr_wks, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
+ return False;
+
+ if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
+ return False;
+
+ old_offset = prs_offset(ps);
+
+ if(!prs_set_offset(ps, rsp->hdr_domain.buffer + 0xc))
+ return False;
+
+ if(!prs_uint8s(True , "domain ", ps, depth, (uint8*)rsp->domain,
+ MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
+ return False;
+
+ old_offset += rsp->hdr_domain.str_str_len;
+
+ if(!prs_set_offset(ps, rsp->hdr_usr.buffer + 0xc))
+ return False;
+
+ if(!prs_uint8s(True , "user ", ps, depth, (uint8*)rsp->user,
+ MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
+ return False;
+
+ old_offset += rsp->hdr_usr.str_str_len;
+
+ if(!prs_set_offset(ps, rsp->hdr_wks.buffer + 0xc))
+ return False;
+
+ if(!prs_uint8s(True, "wks ", ps, depth, (uint8*)rsp->wks,
+ MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
+ return False;
+
+ old_offset += rsp->hdr_wks.str_str_len;
+
+ if(!prs_set_offset(ps, rsp->hdr_lm_resp.buffer + 0xc))
+ return False;
+
+ if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
+ MIN(rsp->hdr_lm_resp.str_str_len, sizeof(rsp->lm_resp ))))
+ return False;
+
+ old_offset += rsp->hdr_lm_resp.str_str_len;
+
+ if(!prs_set_offset(ps, rsp->hdr_nt_resp.buffer + 0xc))
+ return False;
+
+ if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
+ MIN(rsp->hdr_nt_resp.str_str_len, sizeof(rsp->nt_resp ))))
+ return False;
+
+ old_offset += rsp->hdr_nt_resp.str_str_len;
+
+ if (rsp->hdr_sess_key.str_str_len != 0) {
+
+ if(!prs_set_offset(ps, rsp->hdr_sess_key.buffer + 0x10))
+ return False;
+
+ old_offset += rsp->hdr_sess_key.str_str_len;
+
+ if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
+ MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
+ return False;
+ }
+
+ if(!prs_set_offset(ps, old_offset))
+ return False;
+ } else {
+ /* writing */
+ if(!smb_io_strhdr("hdr_lm_resp ", &rsp->hdr_lm_resp, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_nt_resp ", &rsp->hdr_nt_resp, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_domain ", &rsp->hdr_domain, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_user ", &rsp->hdr_usr, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_wks ", &rsp->hdr_wks, ps, depth))
+ return False;
+ if(!smb_io_strhdr("hdr_sess_key", &rsp->hdr_sess_key, ps, depth))
+ return False;
+
+ if(!prs_uint32("neg_flags", ps, depth, &rsp->neg_flags)) /* 0x0000 82b1 */
+ return False;
+
+ if(!prs_uint8s(True , "domain ", ps, depth, (uint8*)rsp->domain,
+ MIN(rsp->hdr_domain.str_str_len, sizeof(rsp->domain))))
+ return False;
+
+ if(!prs_uint8s(True , "user ", ps, depth, (uint8*)rsp->user,
+ MIN(rsp->hdr_usr.str_str_len, sizeof(rsp->user))))
+ return False;
+
+ if(!prs_uint8s(True , "wks ", ps, depth, (uint8*)rsp->wks,
+ MIN(rsp->hdr_wks.str_str_len, sizeof(rsp->wks))))
+ return False;
+ if(!prs_uint8s(False, "lm_resp ", ps, depth, (uint8*)rsp->lm_resp,
+ MIN(rsp->hdr_lm_resp .str_str_len, sizeof(rsp->lm_resp))))
+ return False;
+ if(!prs_uint8s(False, "nt_resp ", ps, depth, (uint8*)rsp->nt_resp,
+ MIN(rsp->hdr_nt_resp .str_str_len, sizeof(rsp->nt_resp ))))
+ return False;
+ if(!prs_uint8s(False, "sess_key", ps, depth, (uint8*)rsp->sess_key,
+ MIN(rsp->hdr_sess_key.str_str_len, sizeof(rsp->sess_key))))
+ return False;
+ }
+
+ return True;
+}
+
+/*******************************************************************
+ Checks an RPC_AUTH_NTLMSSP_CHK structure.
+********************************************************************/
+
+BOOL rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk, uint32 crc32, uint32 seq_num)
+{
+ if (chk == NULL)
+ return False;
+
+ if (chk->crc32 != crc32 ||
+ chk->ver != NTLMSSP_SIGN_VERSION ||
+ chk->seq_num != seq_num)
+ {
+ DEBUG(5,("verify failed - crc %x ver %x seq %d\n",
+ crc32, NTLMSSP_SIGN_VERSION, seq_num));
+ DEBUG(5,("verify expect - crc %x ver %x seq %d\n",
+ chk->crc32, chk->ver, chk->seq_num));
+ return False;
+ }
+ return True;
+}
+
+/*******************************************************************
+ Inits an RPC_AUTH_NTLMSSP_CHK structure.
+********************************************************************/
+
+void init_rpc_auth_ntlmssp_chk(RPC_AUTH_NTLMSSP_CHK *chk,
+ uint32 ver, uint32 crc32, uint32 seq_num)
+{
+ chk->ver = ver;
+ chk->reserved = 0x0;
+ chk->crc32 = crc32;
+ chk->seq_num = seq_num;
+}
+
+/*******************************************************************
+ Reads or writes an RPC_AUTH_NTLMSSP_CHK structure.
+********************************************************************/
+
+BOOL smb_io_rpc_auth_ntlmssp_chk(char *desc, RPC_AUTH_NTLMSSP_CHK *chk, prs_struct *ps, int depth)
+{
+ if (chk == NULL)
+ return False;
+
+ prs_debug(ps, depth, desc, "smb_io_rpc_auth_ntlmssp_chk");
+ depth++;
+
+ if(!prs_align(ps))
+ return False;
+
+ if(!prs_uint32("ver ", ps, depth, &chk->ver))
+ return False;
+ if(!prs_uint32("reserved", ps, depth, &chk->reserved))
+ return False;
+ if(!prs_uint32("crc32 ", ps, depth, &chk->crc32))
+ return False;
+ if(!prs_uint32("seq_num ", ps, depth, &chk->seq_num))
+ return False;
+
+ return True;
+}
generated by cgit (git 2.34.1) at 2024-11-10 07:25:13 +0000