2 Unix SMB/CIFS implementation.
4 Copyright (C) Andrew Tridgell 2003
5 Copyright (C) Jelmer Vernooij 2006
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 3 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program. If not, see <http://www.gnu.org/licenses/>.
22 #if (_SAMBA_BUILD_ >= 4)
23 #include "lib/cmdline/popt_common.h"
24 #include "system/filesys.h"
25 #include "system/locale.h"
26 #include "librpc/ndr/libndr.h"
27 #include "librpc/ndr/ndr_table.h"
30 static const struct ndr_interface_call *find_function(
31 const struct ndr_interface_table *p,
35 if (isdigit(function[0])) {
36 i = strtol(function, NULL, 0);
39 for (i=0;i<p->num_calls;i++) {
40 if (strcmp(p->calls[i].name, function) == 0) {
44 if (i == p->num_calls) {
45 printf("Function '%s' not found\n", function);
51 #if (_SAMBA_BUILD_ >= 4)
53 _NORETURN_ static void show_pipes(void)
55 const struct ndr_interface_list *l;
56 printf("\nYou must specify a pipe\n");
57 printf("known pipes are:\n");
58 for (l=ndr_table_list();l;l=l->next) {
59 if(l->table->helpstring) {
60 printf("\t%s - %s\n", l->table->name, l->table->helpstring);
62 printf("\t%s\n", l->table->name);
70 _NORETURN_ static void show_functions(const struct ndr_interface_table *p)
73 printf("\nYou must specify a function\n");
74 printf("known functions on '%s' are:\n", p->name);
75 for (i=0;i<p->num_calls;i++) {
76 printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
81 static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
83 int num_read, total_len = 0;
87 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
90 result = talloc_realloc(
91 mem_ctx, result, char, total_len + num_read);
93 result = talloc_array(mem_ctx, char, num_read);
96 memcpy(result + total_len, buf, num_read);
98 total_len += num_read;
107 static const struct ndr_interface_table *load_iface_from_plugin(const char *plugin, const char *pipe_name)
109 const struct ndr_interface_table *p;
113 handle = dlopen(plugin, RTLD_NOW);
114 if (handle == NULL) {
115 printf("%s: Unable to open: %s\n", plugin, dlerror());
119 symbol = talloc_asprintf(NULL, "ndr_table_%s", pipe_name);
120 p = (const struct ndr_interface_table *)dlsym(handle, symbol);
123 printf("%s: Unable to find DCE/RPC interface table for '%s': %s\n", plugin, pipe_name, dlerror());
133 static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
138 dump_data_skip_zeros(0, d, l);
142 int main(int argc, const char *argv[])
144 const struct ndr_interface_table *p = NULL;
145 const struct ndr_interface_call *f;
146 const char *pipe_name, *function, *inout, *filename;
150 struct ndr_pull *ndr_pull;
151 struct ndr_print *ndr_print;
158 const char *ctx_filename = NULL;
159 const char *plugin = NULL;
160 bool validate = false;
161 bool dumpdata = false;
163 enum {OPT_CONTEXT_FILE=1000, OPT_VALIDATE, OPT_DUMP_DATA, OPT_LOAD_DSO};
164 struct poptOption long_options[] = {
166 {"context-file", 'c', POPT_ARG_STRING, NULL, OPT_CONTEXT_FILE, "In-filename to parse first", "CTX-FILE" },
167 {"validate", 0, POPT_ARG_NONE, NULL, OPT_VALIDATE, "try to validate the data", NULL },
168 {"dump-data", 0, POPT_ARG_NONE, NULL, OPT_DUMP_DATA, "dump the hex data", NULL },
169 {"load-dso", 'l', POPT_ARG_STRING, NULL, OPT_LOAD_DSO, "load from shared object file", NULL },
175 #if (_SAMBA_BUILD_ >= 4)
178 /* Initialise samba stuff */
185 setup_logging(argv[0],True);
188 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
190 poptSetOtherOptionHelp(
191 pc, "<pipe|uuid> <function> <inout> [<filename>]");
193 while ((opt = poptGetNextOpt(pc)) != -1) {
195 case OPT_CONTEXT_FILE:
196 ctx_filename = poptGetOptArg(pc);
205 plugin = poptGetOptArg(pc);
210 pipe_name = poptGetArg(pc);
213 poptPrintUsage(pc, stderr, 0);
214 #if (_SAMBA_BUILD_ >= 4)
220 if (plugin != NULL) {
221 p = load_iface_from_plugin(plugin, pipe_name);
223 #if (_SAMBA_BUILD_ <= 3)
225 fprintf(stderr, "Only loading from DSO's supported in Samba 3\n");
230 p = ndr_table_by_name(pipe_name);
236 status = GUID_from_string(pipe_name, &uuid);
238 if (NT_STATUS_IS_OK(status)) {
239 p = ndr_table_by_uuid(&uuid);
245 printf("Unknown pipe or UUID '%s'\n", pipe_name);
249 function = poptGetArg(pc);
250 inout = poptGetArg(pc);
251 filename = poptGetArg(pc);
253 if (!function || !inout) {
254 poptPrintUsage(pc, stderr, 0);
259 if (strcmp(inout, "in") == 0 ||
260 strcmp(inout, "request") == 0) {
262 } else if (strcmp(inout, "out") == 0 ||
263 strcmp(inout, "response") == 0) {
266 printf("Bad inout value '%s'\n", inout);
270 f = find_function(p, function);
272 mem_ctx = talloc_init("ndrdump");
274 st = talloc_zero_size(mem_ctx, f->struct_size);
276 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
280 v_st = talloc_zero_size(mem_ctx, f->struct_size);
282 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
287 if (flags == NDR_IN) {
288 printf("Context file can only be used for \"out\" packages\n");
292 #if (_SAMBA_BUILD_ >= 4)
293 data = (uint8_t *)file_load(ctx_filename, &size, mem_ctx);
295 data = (uint8_t *)file_load(ctx_filename, &size, 0);
298 perror(ctx_filename);
305 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
306 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
308 status = f->ndr_pull(ndr_pull, NDR_IN, st);
310 if (ndr_pull->offset != ndr_pull->data_size) {
311 printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
314 if (!NT_STATUS_IS_OK(status)) {
315 printf("pull for context file returned %s\n", nt_errstr(status));
318 memcpy(v_st, st, f->struct_size);
322 #if (_SAMBA_BUILD_ >= 4)
323 data = (uint8_t *)file_load(filename, &size, mem_ctx);
325 data = (uint8_t *)file_load(filename, &size, 0);
328 data = (uint8_t *)stdin_load(mem_ctx, &size);
341 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx);
342 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
344 status = f->ndr_pull(ndr_pull, flags, st);
346 printf("pull returned %s\n", nt_errstr(status));
348 if (ndr_pull->offset != ndr_pull->data_size) {
349 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
350 ndrdump_data(ndr_pull->data+ndr_pull->offset,
351 ndr_pull->data_size - ndr_pull->offset,
356 printf("%d bytes consumed\n", ndr_pull->offset);
357 ndrdump_data(blob.data, blob.length, dumpdata);
360 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
361 ndr_print->print = ndr_print_debug_helper;
362 ndr_print->depth = 1;
363 f->ndr_print(ndr_print, function, flags, st);
365 if (!NT_STATUS_IS_OK(status)) {
366 printf("dump FAILED\n");
372 struct ndr_push *ndr_v_push;
373 struct ndr_pull *ndr_v_pull;
374 struct ndr_print *ndr_v_print;
376 uint8_t byte_a, byte_b;
379 ndr_v_push = ndr_push_init_ctx(mem_ctx);
381 status = f->ndr_push(ndr_v_push, flags, st);
382 if (!NT_STATUS_IS_OK(status)) {
383 printf("validate push FAILED\n");
387 v_blob = ndr_push_blob(ndr_v_push);
390 printf("%ld bytes generated (validate)\n", (long)v_blob.length);
391 ndrdump_data(v_blob.data, v_blob.length, dumpdata);
394 ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx);
395 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
397 status = f->ndr_pull(ndr_v_pull, flags, v_st);
398 if (!NT_STATUS_IS_OK(status)) {
399 printf("validate pull FAILED\n");
403 printf("pull returned %s\n", nt_errstr(status));
405 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
406 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
407 ndrdump_data(ndr_v_pull->data+ndr_v_pull->offset,
408 ndr_v_pull->data_size - ndr_v_pull->offset,
412 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
413 ndr_v_print->print = ndr_print_debug_helper;
414 ndr_v_print->depth = 1;
415 f->ndr_print(ndr_v_print, function, flags, v_st);
417 if (blob.length != v_blob.length) {
418 printf("WARNING! orig bytes:%llu validated pushed bytes:%llu\n",
419 (unsigned long long)blob.length, (unsigned long long)v_blob.length);
422 if (ndr_pull->offset != ndr_v_pull->offset) {
423 printf("WARNING! orig pulled bytes:%llu validated pulled bytes:%llu\n",
424 (unsigned long long)ndr_pull->offset, (unsigned long long)ndr_v_pull->offset);
430 for (i=0; i < blob.length; i++) {
431 byte_a = blob.data[i];
433 if (i == v_blob.length) {
439 byte_b = v_blob.data[i];
441 if (byte_a != byte_b) {
447 printf("WARNING! orig and validated differ at byte 0x%02X (%u)\n", i, i);
448 printf("WARNING! orig byte[0x%02X] = 0x%02X validated byte[0x%02X] = 0x%02X\n",
449 i, byte_a, i, byte_b);
455 talloc_free(mem_ctx);