added a tool called 'ndrdump' that allows you to dump NDR data

according to the current IDL taking the data from a file. In
combination with a little hack to ethereal to extract data this is a
quite powerful IDL development tool.
(This used to be commit 229a325c3cf0d4dc1e910ed32e1d7391040aeba1)

1 files changed, 179 insertions, 0 deletions

diff --git a/source4/utils/ndrdump.c b/source4/utils/ndrdump.c
new file mode 100644
index 0000000000..c81a9948f3
--- /dev/null
+++ b/source4/utils/ndrdump.c
@@ -0,0 +1,179 @@
+/* 
+   Unix SMB/CIFS implementation.
+   SMB torture tester
+   Copyright (C) Andrew Tridgell 2003
+   
+   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"
+
+struct dcerpc_interface_table *pipes[] = {
+	&dcerpc_table_samr,
+	&dcerpc_table_lsarpc,
+	&dcerpc_table_netdfs,
+	NULL
+};
+
+static struct dcerpc_interface_table *find_pipe(const char *pipe_name)
+{
+	int i;
+	for (i=0;pipes[i];i++) {
+		if (strcmp(pipes[i]->name, pipe_name) == 0) {
+			break;
+		}
+	}
+	if (!pipes[i]) {
+		printf("pipe '%s' not in table\n", pipe_name);
+		exit(1);
+	}
+	return pipes[i];
+}
+
+static const struct dcerpc_interface_call *find_function(
+	const struct dcerpc_interface_table *p,
+	const char *function)
+{
+	int i;
+	for (i=0;i<p->num_calls;i++) {
+		if (strcmp(p->calls[i].name, function) == 0) {
+			break;
+		}
+	}
+	if (i == p->num_calls) {
+		printf("Function '%s' not found\n", function);
+		exit(1);
+	}
+	return &p->calls[i];
+}
+
+static void usage(void)
+{
+	printf("Usage: ndrdump <pipe> <function> <inout> <filename>\n");
+}
+
+
+static void show_pipes(void)
+{
+	int i;
+	usage();
+	printf("\nYou must specify a pipe\n");
+	printf("known pipes are:\n");
+	for (i=0;pipes[i];i++) {
+		printf("\t%s\n", pipes[i]->name);
+	}
+	exit(1);
+}
+
+static void show_functions(const struct dcerpc_interface_table *p)
+{
+	int i;
+	usage();
+	printf("\nYou must specify a function\n");
+	printf("known functions on '%s' are:\n", p->name);
+	for (i=0;i<p->num_calls;i++) {
+		printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
+	}
+	exit(1);
+}
+
+int main(int argc, char *argv[])
+{
+	const struct dcerpc_interface_table *p;
+	const struct dcerpc_interface_call *f;
+	const char *pipe_name, *function, *inout, *filename;
+	char *data;
+	size_t size;
+	DATA_BLOB blob;
+	struct ndr_pull *ndr;
+	TALLOC_CTX *mem_ctx;
+	int flags;
+	NTSTATUS status;
+	void *st;
+	struct ndr_print pr;
+
+	DEBUGLEVEL = 10;
+
+	setup_logging("smbtorture", DEBUG_STDOUT);
+
+	if (argc < 2) {
+		show_pipes();
+		exit(1);
+	}
+
+	pipe_name = argv[1];
+
+	p = find_pipe(pipe_name);
+
+	if (argc < 5) {
+		show_functions(p);
+		exit(1);
+	}
+
+	function = argv[2];
+	inout = argv[3];
+	filename = argv[4];
+
+	if (strcmp(inout, "in") == 0 ||
+	    strcmp(inout, "request") == 0) {
+		flags = NDR_IN;
+	} else if (strcmp(inout, "out") == 0 ||
+		   strcmp(inout, "response") == 0) {
+		flags = NDR_OUT;
+	} else {
+		printf("Bad inout value '%s'\n", inout);
+		exit(1);
+	}
+
+	f = find_function(p, function);
+
+	data = file_load(filename, &size);
+	if (!data) {
+		perror(filename);
+		exit(1);
+	}
+
+	blob.data = data;
+	blob.length = size;
+
+	mem_ctx = talloc_init("ndrdump");
+	
+	ndr = ndr_pull_init_blob(&blob, mem_ctx);
+
+	st = talloc_zero(mem_ctx, f->struct_size);
+	if (!st) {
+		printf("Unable to allocate %d bytes\n", f->struct_size);
+		exit(1);
+	}
+
+	if (flags == NDR_OUT) {
+		ndr->flags |= LIBNDR_FLAG_REF_ALLOC;
+	}
+
+	status = f->ndr_pull(ndr, flags, st);
+
+	printf("pull returned %s\n", nt_errstr(status));
+
+	if (ndr->offset != ndr->data_size) {
+		printf("WARNING! %d unread bytes\n", ndr->data_size - ndr->offset);
+	}
+
+	pr.mem_ctx = mem_ctx;
+	pr.print = ndr_print_debug_helper;
+	pr.depth = 1;
+	f->ndr_print(&pr, function, flags, st);
+
+	return 0;
+}