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 #include "system/filesys.h"
23 #include "system/locale.h"
24 #include "librpc/ndr/libndr.h"
25 #include "librpc/ndr/ndr_table.h"
26 #if (_SAMBA_BUILD_ >= 4)
27 #include "lib/cmdline/popt_common.h"
28 #include "param/param.h"
31 static const struct ndr_interface_call *find_function(
32 const struct ndr_interface_table *p,
36 if (isdigit(function[0])) {
37 i = strtol(function, NULL, 0);
40 for (i=0;i<p->num_calls;i++) {
41 if (strcmp(p->calls[i].name, function) == 0) {
45 if (i == p->num_calls) {
46 printf("Function '%s' not found\n", function);
52 _NORETURN_ static void show_pipes(void)
54 const struct ndr_interface_list *l;
55 printf("\nYou must specify a pipe\n");
56 printf("known pipes are:\n");
57 for (l=ndr_table_list();l;l=l->next) {
58 if(l->table->helpstring) {
59 printf("\t%s - %s\n", l->table->name, l->table->helpstring);
61 printf("\t%s\n", l->table->name);
67 _NORETURN_ static void show_functions(const struct ndr_interface_table *p)
70 printf("\nYou must specify a function\n");
71 printf("known functions on '%s' are:\n", p->name);
72 for (i=0;i<p->num_calls;i++) {
73 printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
78 static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
80 int num_read, total_len = 0;
84 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
87 result = talloc_realloc(
88 mem_ctx, result, char, total_len + num_read);
90 result = talloc_array(mem_ctx, char, num_read);
93 memcpy(result + total_len, buf, num_read);
95 total_len += num_read;
104 static const struct ndr_interface_table *load_iface_from_plugin(const char *plugin, const char *pipe_name)
106 const struct ndr_interface_table *p;
110 handle = dlopen(plugin, RTLD_NOW);
111 if (handle == NULL) {
112 printf("%s: Unable to open: %s\n", plugin, dlerror());
116 symbol = talloc_asprintf(NULL, "ndr_table_%s", pipe_name);
117 p = (const struct ndr_interface_table *)dlsym(handle, symbol);
120 printf("%s: Unable to find DCE/RPC interface table for '%s': %s\n", plugin, pipe_name, dlerror());
130 static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
135 dump_data_skip_zeros(0, d, l);
139 int main(int argc, const char *argv[])
141 const struct ndr_interface_table *p = NULL;
142 const struct ndr_interface_call *f;
143 const char *pipe_name, *function, *inout, *filename;
147 struct ndr_pull *ndr_pull;
148 struct ndr_print *ndr_print;
153 enum ndr_err_code ndr_err;
156 const char *ctx_filename = NULL;
157 const char *plugin = NULL;
158 bool validate = false;
159 bool dumpdata = false;
160 bool assume_ndr64 = false;
162 enum {OPT_CONTEXT_FILE=1000, OPT_VALIDATE, OPT_DUMP_DATA, OPT_LOAD_DSO, OPT_NDR64};
163 struct poptOption long_options[] = {
165 {"context-file", 'c', POPT_ARG_STRING, NULL, OPT_CONTEXT_FILE, "In-filename to parse first", "CTX-FILE" },
166 {"validate", 0, POPT_ARG_NONE, NULL, OPT_VALIDATE, "try to validate the data", NULL },
167 {"dump-data", 0, POPT_ARG_NONE, NULL, OPT_DUMP_DATA, "dump the hex data", NULL },
168 {"load-dso", 'l', POPT_ARG_STRING, NULL, OPT_LOAD_DSO, "load from shared object file", NULL },
169 {"ndr64", 0, POPT_ARG_NONE, NULL, OPT_NDR64, "Assume NDR64 data", NULL },
175 if (DEBUGLEVEL < 1) {
181 /* Initialise samba stuff */
188 setup_logging_stdout();
190 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
192 poptSetOtherOptionHelp(
193 pc, "<pipe|uuid> <function> <inout> [<filename>]");
195 while ((opt = poptGetNextOpt(pc)) != -1) {
197 case OPT_CONTEXT_FILE:
198 ctx_filename = poptGetOptArg(pc);
207 plugin = poptGetOptArg(pc);
215 pipe_name = poptGetArg(pc);
218 poptPrintUsage(pc, stderr, 0);
223 if (plugin != NULL) {
224 p = load_iface_from_plugin(plugin, pipe_name);
227 p = ndr_table_by_name(pipe_name);
233 status = GUID_from_string(pipe_name, &uuid);
235 if (NT_STATUS_IS_OK(status)) {
236 p = ndr_table_by_uuid(&uuid);
241 printf("Unknown pipe or UUID '%s'\n", pipe_name);
245 function = poptGetArg(pc);
246 inout = poptGetArg(pc);
247 filename = poptGetArg(pc);
249 if (!function || !inout) {
250 poptPrintUsage(pc, stderr, 0);
255 if (strcmp(inout, "in") == 0 ||
256 strcmp(inout, "request") == 0) {
258 } else if (strcmp(inout, "out") == 0 ||
259 strcmp(inout, "response") == 0) {
262 printf("Bad inout value '%s'\n", inout);
266 f = find_function(p, function);
268 mem_ctx = talloc_init("ndrdump");
270 st = talloc_zero_size(mem_ctx, f->struct_size);
272 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
276 v_st = talloc_zero_size(mem_ctx, f->struct_size);
278 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
283 if (flags == NDR_IN) {
284 printf("Context file can only be used for \"out\" packages\n");
288 data = (uint8_t *)file_load(ctx_filename, &size, 0, mem_ctx);
290 perror(ctx_filename);
297 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
298 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
300 ndr_pull->flags |= LIBNDR_FLAG_NDR64;
303 ndr_err = f->ndr_pull(ndr_pull, NDR_IN, st);
305 if (ndr_pull->offset != ndr_pull->data_size) {
306 printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
309 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
310 status = ndr_map_error2ntstatus(ndr_err);
311 printf("pull for context file returned %s\n", nt_errstr(status));
314 memcpy(v_st, st, f->struct_size);
318 data = (uint8_t *)file_load(filename, &size, 0, mem_ctx);
320 data = (uint8_t *)stdin_load(mem_ctx, &size);
333 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
334 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
336 ndr_pull->flags |= LIBNDR_FLAG_NDR64;
339 ndr_err = f->ndr_pull(ndr_pull, flags, st);
340 status = ndr_map_error2ntstatus(ndr_err);
342 printf("pull returned %s\n", nt_errstr(status));
344 if (ndr_pull->offset != ndr_pull->data_size) {
345 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
346 ndrdump_data(ndr_pull->data+ndr_pull->offset,
347 ndr_pull->data_size - ndr_pull->offset,
352 printf("%d bytes consumed\n", ndr_pull->offset);
353 ndrdump_data(blob.data, blob.length, dumpdata);
356 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
357 ndr_print->print = ndr_print_debug_helper;
358 ndr_print->depth = 1;
359 f->ndr_print(ndr_print, function, flags, st);
361 if (!NT_STATUS_IS_OK(status)) {
362 printf("dump FAILED\n");
368 struct ndr_push *ndr_v_push;
369 struct ndr_pull *ndr_v_pull;
370 struct ndr_print *ndr_v_print;
372 uint8_t byte_a, byte_b;
375 ndr_v_push = ndr_push_init_ctx(mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
377 ndr_err = f->ndr_push(ndr_v_push, flags, st);
378 status = ndr_map_error2ntstatus(ndr_err);
379 printf("push returned %s\n", nt_errstr(status));
380 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
381 printf("validate push FAILED\n");
385 v_blob = ndr_push_blob(ndr_v_push);
388 printf("%ld bytes generated (validate)\n", (long)v_blob.length);
389 ndrdump_data(v_blob.data, v_blob.length, dumpdata);
392 ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
393 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
395 ndr_err = f->ndr_pull(ndr_v_pull, flags, v_st);
396 status = ndr_map_error2ntstatus(ndr_err);
397 printf("pull returned %s\n", nt_errstr(status));
398 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
399 printf("validate pull FAILED\n");
404 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
405 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
406 ndrdump_data(ndr_v_pull->data+ndr_v_pull->offset,
407 ndr_v_pull->data_size - ndr_v_pull->offset,
411 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
412 ndr_v_print->print = ndr_print_debug_helper;
413 ndr_v_print->depth = 1;
414 f->ndr_print(ndr_v_print, function, flags, v_st);
416 if (blob.length != v_blob.length) {
417 printf("WARNING! orig bytes:%llu validated pushed bytes:%llu\n",
418 (unsigned long long)blob.length, (unsigned long long)v_blob.length);
421 if (ndr_pull->offset != ndr_v_pull->offset) {
422 printf("WARNING! orig pulled bytes:%llu validated pulled bytes:%llu\n",
423 (unsigned long long)ndr_pull->offset, (unsigned long long)ndr_v_pull->offset);
429 for (i=0; i < blob.length; i++) {
430 byte_a = blob.data[i];
432 if (i == v_blob.length) {
438 byte_b = v_blob.data[i];
440 if (byte_a != byte_b) {
446 printf("WARNING! orig and validated differ at byte 0x%02X (%u)\n", i, i);
447 printf("WARNING! orig byte[0x%02X] = 0x%02X validated byte[0x%02X] = 0x%02X\n",
448 i, byte_a, i, byte_b);
454 talloc_free(mem_ctx);