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"
28 #include "param/param.h"
33 static const struct ndr_interface_call *find_function(
34 const struct ndr_interface_table *p,
38 if (isdigit(function[0])) {
39 i = strtol(function, NULL, 0);
42 for (i=0;i<p->num_calls;i++) {
43 if (strcmp(p->calls[i].name, function) == 0) {
47 if (i == p->num_calls) {
48 printf("Function '%s' not found\n", function);
54 #if (_SAMBA_BUILD_ >= 4)
56 _NORETURN_ static void show_pipes(void)
58 const struct ndr_interface_list *l;
59 printf("\nYou must specify a pipe\n");
60 printf("known pipes are:\n");
61 for (l=ndr_table_list();l;l=l->next) {
62 if(l->table->helpstring) {
63 printf("\t%s - %s\n", l->table->name, l->table->helpstring);
65 printf("\t%s\n", l->table->name);
73 _NORETURN_ static void show_functions(const struct ndr_interface_table *p)
76 printf("\nYou must specify a function\n");
77 printf("known functions on '%s' are:\n", p->name);
78 for (i=0;i<p->num_calls;i++) {
79 printf("\t0x%02x (%2d) %s\n", i, i, p->calls[i].name);
84 static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
86 int num_read, total_len = 0;
90 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
93 result = talloc_realloc(
94 mem_ctx, result, char, total_len + num_read);
96 result = talloc_array(mem_ctx, char, num_read);
99 memcpy(result + total_len, buf, num_read);
101 total_len += num_read;
110 static const struct ndr_interface_table *load_iface_from_plugin(const char *plugin, const char *pipe_name)
112 const struct ndr_interface_table *p;
116 handle = dlopen(plugin, RTLD_NOW);
117 if (handle == NULL) {
118 printf("%s: Unable to open: %s\n", plugin, dlerror());
122 symbol = talloc_asprintf(NULL, "ndr_table_%s", pipe_name);
123 p = (const struct ndr_interface_table *)dlsym(handle, symbol);
126 printf("%s: Unable to find DCE/RPC interface table for '%s': %s\n", plugin, pipe_name, dlerror());
136 static void ndrdump_data(uint8_t *d, uint32_t l, bool force)
141 dump_data_skip_zeros(0, d, l);
145 int main(int argc, const char *argv[])
147 const struct ndr_interface_table *p = NULL;
148 const struct ndr_interface_call *f;
149 const char *pipe_name, *function, *inout, *filename;
153 struct ndr_pull *ndr_pull;
154 struct ndr_print *ndr_print;
159 enum ndr_err_code ndr_err;
162 const char *ctx_filename = NULL;
163 const char *plugin = NULL;
164 bool validate = false;
165 bool dumpdata = false;
167 enum {OPT_CONTEXT_FILE=1000, OPT_VALIDATE, OPT_DUMP_DATA, OPT_LOAD_DSO};
168 struct poptOption long_options[] = {
170 {"context-file", 'c', POPT_ARG_STRING, NULL, OPT_CONTEXT_FILE, "In-filename to parse first", "CTX-FILE" },
171 {"validate", 0, POPT_ARG_NONE, NULL, OPT_VALIDATE, "try to validate the data", NULL },
172 {"dump-data", 0, POPT_ARG_NONE, NULL, OPT_DUMP_DATA, "dump the hex data", NULL },
173 {"load-dso", 'l', POPT_ARG_STRING, NULL, OPT_LOAD_DSO, "load from shared object file", NULL },
179 #if (_SAMBA_BUILD_ >= 4)
182 /* Initialise samba stuff */
189 setup_logging(argv[0],True);
192 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
194 poptSetOtherOptionHelp(
195 pc, "<pipe|uuid> <function> <inout> [<filename>]");
197 while ((opt = poptGetNextOpt(pc)) != -1) {
199 case OPT_CONTEXT_FILE:
200 ctx_filename = poptGetOptArg(pc);
209 plugin = poptGetOptArg(pc);
214 pipe_name = poptGetArg(pc);
217 poptPrintUsage(pc, stderr, 0);
218 #if (_SAMBA_BUILD_ >= 4)
224 if (plugin != NULL) {
225 p = load_iface_from_plugin(plugin, pipe_name);
227 #if (_SAMBA_BUILD_ <= 3)
229 fprintf(stderr, "Only loading from DSO's supported in Samba 3\n");
234 p = ndr_table_by_name(pipe_name);
240 status = GUID_from_string(pipe_name, &uuid);
242 if (NT_STATUS_IS_OK(status)) {
243 p = ndr_table_by_uuid(&uuid);
249 printf("Unknown pipe or UUID '%s'\n", pipe_name);
253 function = poptGetArg(pc);
254 inout = poptGetArg(pc);
255 filename = poptGetArg(pc);
257 if (!function || !inout) {
258 poptPrintUsage(pc, stderr, 0);
263 if (strcmp(inout, "in") == 0 ||
264 strcmp(inout, "request") == 0) {
266 } else if (strcmp(inout, "out") == 0 ||
267 strcmp(inout, "response") == 0) {
270 printf("Bad inout value '%s'\n", inout);
274 f = find_function(p, function);
276 mem_ctx = talloc_init("ndrdump");
278 st = talloc_zero_size(mem_ctx, f->struct_size);
280 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
284 v_st = talloc_zero_size(mem_ctx, f->struct_size);
286 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
291 if (flags == NDR_IN) {
292 printf("Context file can only be used for \"out\" packages\n");
296 data = (uint8_t *)file_load(ctx_filename, &size, 0, mem_ctx);
298 perror(ctx_filename);
305 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
306 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
308 ndr_err = 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 (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
315 status = ndr_map_error2ntstatus(ndr_err);
316 printf("pull for context file returned %s\n", nt_errstr(status));
319 memcpy(v_st, st, f->struct_size);
323 data = (uint8_t *)file_load(filename, &size, 0, mem_ctx);
325 data = (uint8_t *)stdin_load(mem_ctx, &size);
338 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
339 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
341 ndr_err = f->ndr_pull(ndr_pull, flags, st);
342 status = ndr_map_error2ntstatus(ndr_err);
344 printf("pull returned %s\n", nt_errstr(status));
346 if (ndr_pull->offset != ndr_pull->data_size) {
347 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
348 ndrdump_data(ndr_pull->data+ndr_pull->offset,
349 ndr_pull->data_size - ndr_pull->offset,
354 printf("%d bytes consumed\n", ndr_pull->offset);
355 ndrdump_data(blob.data, blob.length, dumpdata);
358 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
359 ndr_print->print = ndr_print_debug_helper;
360 ndr_print->depth = 1;
361 f->ndr_print(ndr_print, function, flags, st);
363 if (!NT_STATUS_IS_OK(status)) {
364 printf("dump FAILED\n");
370 struct ndr_push *ndr_v_push;
371 struct ndr_pull *ndr_v_pull;
372 struct ndr_print *ndr_v_print;
374 uint8_t byte_a, byte_b;
377 ndr_v_push = ndr_push_init_ctx(mem_ctx, lp_iconv_convenience(cmdline_lp_ctx));
379 ndr_err = f->ndr_push(ndr_v_push, flags, st);
380 status = ndr_map_error2ntstatus(ndr_err);
381 printf("push returned %s\n", nt_errstr(status));
382 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
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, lp_iconv_convenience(cmdline_lp_ctx));
395 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
397 ndr_err = f->ndr_pull(ndr_v_pull, flags, v_st);
398 status = ndr_map_error2ntstatus(ndr_err);
399 printf("pull returned %s\n", nt_errstr(status));
400 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
401 printf("validate pull FAILED\n");
406 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
407 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
408 ndrdump_data(ndr_v_pull->data+ndr_v_pull->offset,
409 ndr_v_pull->data_size - ndr_v_pull->offset,
413 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
414 ndr_v_print->print = ndr_print_debug_helper;
415 ndr_v_print->depth = 1;
416 f->ndr_print(ndr_v_print, function, flags, v_st);
418 if (blob.length != v_blob.length) {
419 printf("WARNING! orig bytes:%llu validated pushed bytes:%llu\n",
420 (unsigned long long)blob.length, (unsigned long long)v_blob.length);
423 if (ndr_pull->offset != ndr_v_pull->offset) {
424 printf("WARNING! orig pulled bytes:%llu validated pulled bytes:%llu\n",
425 (unsigned long long)ndr_pull->offset, (unsigned long long)ndr_v_pull->offset);
431 for (i=0; i < blob.length; i++) {
432 byte_a = blob.data[i];
434 if (i == v_blob.length) {
440 byte_b = v_blob.data[i];
442 if (byte_a != byte_b) {
448 printf("WARNING! orig and validated differ at byte 0x%02X (%u)\n", i, i);
449 printf("WARNING! orig byte[0x%02X] = 0x%02X validated byte[0x%02X] = 0x%02X\n",
450 i, byte_a, i, byte_b);
456 talloc_free(mem_ctx);