2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 2003
6 This program is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by
8 the Free Software Foundation; either version 2 of the License, or
9 (at your option) any later version.
11 This program is distributed in the hope that it will be useful,
12 but WITHOUT ANY WARRANTY; without even the implied warranty of
13 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 GNU General Public License for more details.
16 You should have received a copy of the GNU General Public License
17 along with this program; if not, write to the Free Software
18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #include "lib/cmdline/popt_common.h"
23 #include "system/iconv.h"
24 #include "system/filesys.h"
26 static const struct dcerpc_interface_call *find_function(
27 const struct dcerpc_interface_table *p,
31 if (isdigit(function[0])) {
32 i = strtol(function, NULL, 0);
35 for (i=0;i<p->num_calls;i++) {
36 if (strcmp(p->calls[i].name, function) == 0) {
40 if (i == p->num_calls) {
41 printf("Function '%s' not found\n", function);
48 static void show_pipes(void)
50 const struct dcerpc_interface_list *l;
51 printf("\nYou must specify a pipe\n");
52 printf("known pipes are:\n");
53 for (l=librpc_dcerpc_pipes();l;l=l->next) {
54 if(l->table->helpstring) {
55 printf("\t%s - %s\n", l->table->name, l->table->helpstring);
57 printf("\t%s\n", l->table->name);
63 static void show_functions(const struct dcerpc_interface_table *p)
66 printf("\nYou must specify a function\n");
67 printf("known functions on '%s' are:\n", p->name);
68 for (i=0;i<p->num_calls;i++) {
69 printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
74 static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
76 int num_read, total_len = 0;
80 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
83 result = (char *) talloc_realloc(
84 mem_ctx, result, char *, total_len + num_read);
86 result = talloc_size(mem_ctx, num_read);
89 memcpy(result + total_len, buf, num_read);
91 total_len += num_read;
100 int main(int argc, const char *argv[])
102 const struct dcerpc_interface_table *p;
103 const struct dcerpc_interface_call *f;
104 const char *pipe_name, *function, *inout, *filename;
108 struct ndr_pull *ndr_pull;
109 struct ndr_print *ndr_print;
116 const char *ctx_filename = NULL;
117 BOOL validate = False;
118 BOOL dumpdata = False;
120 struct poptOption long_options[] = {
121 {"context-file", 'c', POPT_ARG_STRING, &ctx_filename, 0, "In-filename to parse first", "CTX-FILE" },
122 {"validate", 0, POPT_ARG_NONE, &validate, 0, "try to validate the data", NULL },
123 {"dump-data", 0, POPT_ARG_NONE, &dumpdata, 0, "dump the hex data", NULL },
131 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
133 poptSetOtherOptionHelp(
134 pc, "<pipe|uuid> <function> <inout> [<filename>]");
136 while ((opt = poptGetNextOpt(pc)) != -1) {
139 pipe_name = poptGetArg(pc);
142 poptPrintUsage(pc, stderr, 0);
147 p = idl_iface_by_name(pipe_name);
152 status = GUID_from_string(pipe_name, &uuid);
154 if (NT_STATUS_IS_OK(status)) {
155 p = idl_iface_by_uuid(&uuid);
159 printf("Unknown pipe or UUID '%s'\n", pipe_name);
164 function = poptGetArg(pc);
165 inout = poptGetArg(pc);
166 filename = poptGetArg(pc);
168 if (!function || !inout) {
169 poptPrintUsage(pc, stderr, 0);
174 if (strcmp(inout, "in") == 0 ||
175 strcmp(inout, "request") == 0) {
177 } else if (strcmp(inout, "out") == 0 ||
178 strcmp(inout, "response") == 0) {
181 printf("Bad inout value '%s'\n", inout);
185 f = find_function(p, function);
187 mem_ctx = talloc_init("ndrdump");
189 st = talloc_zero_size(mem_ctx, f->struct_size);
191 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
195 v_st = talloc_zero_size(mem_ctx, f->struct_size);
197 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
202 if (flags == NDR_IN) {
203 printf("Context file can only be used for \"out\" packages\n");
207 data = (uint8_t *)file_load(ctx_filename, &size, mem_ctx);
209 perror(ctx_filename);
216 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
217 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
219 status = f->ndr_pull(ndr_pull, NDR_IN, st);
221 if (ndr_pull->offset != ndr_pull->data_size) {
222 printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
225 if (!NT_STATUS_IS_OK(status)) {
226 printf("pull for context file returned %s\n", nt_errstr(status));
229 memcpy(v_st, st, f->struct_size);
233 data = (uint8_t *)file_load(filename, &size, mem_ctx);
235 data = (uint8_t *)stdin_load(mem_ctx, &size);
248 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
249 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
251 status = f->ndr_pull(ndr_pull, flags, st);
253 printf("pull returned %s\n", nt_errstr(status));
255 if (ndr_pull->offset != ndr_pull->data_size) {
256 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
257 dump_data(0, ndr_pull->data+ndr_pull->offset, ndr_pull->data_size - ndr_pull->offset);
261 printf("%d bytes consumed\n", ndr_pull->offset);
262 dump_data(0, blob.data, blob.length);
265 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
266 ndr_print->print = ndr_print_debug_helper;
267 ndr_print->depth = 1;
268 f->ndr_print(ndr_print, function, flags, st);
270 if (!NT_STATUS_IS_OK(status)) {
271 printf("dump FAILED\n");
277 struct ndr_push *ndr_v_push;
278 struct ndr_pull *ndr_v_pull;
279 struct ndr_print *ndr_v_print;
281 ndr_v_push = ndr_push_init_ctx(mem_ctx);
283 status = f->ndr_push(ndr_v_push, flags, st);
284 if (!NT_STATUS_IS_OK(status)) {
285 printf("validate push FAILED\n");
289 v_blob = ndr_push_blob(ndr_v_push);
292 printf("%ld bytes generated (validate)\n", (long)v_blob.length);
293 dump_data(0, v_blob.data, v_blob.length);
296 ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx);
297 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
299 status = f->ndr_pull(ndr_v_pull, flags, v_st);
300 if (!NT_STATUS_IS_OK(status)) {
301 printf("validate pull FAILED\n");
305 printf("pull returned %s\n", nt_errstr(status));
307 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
308 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
309 dump_data(0, ndr_v_pull->data+ndr_v_pull->offset, ndr_v_pull->data_size - ndr_v_pull->offset);
312 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
313 ndr_v_print->print = ndr_print_debug_helper;
314 ndr_v_print->depth = 1;
315 f->ndr_print(ndr_v_print, function, flags, v_st);
317 if (blob.length != v_blob.length) {
318 printf("WARNING! orig bytes:%ld validated pushed bytes:%ld\n", (long)blob.length, (long)v_blob.length);
321 if (ndr_pull->offset != ndr_v_pull->offset) {
322 printf("WARNING! orig pulled bytes:%d validated pulled bytes:%d\n", ndr_pull->offset, ndr_v_pull->offset);
328 talloc_free(mem_ctx);