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/rpc/dcerpc.h"
27 #include "librpc/rpc/dcerpc_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 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=librpc_dcerpc_pipes();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 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 = (char *) talloc_realloc(
91 mem_ctx, result, char *, total_len + num_read);
93 result = (char *) talloc_size(mem_ctx, 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 int main(int argc, const char *argv[])
135 const struct ndr_interface_table *p = NULL;
136 const struct ndr_interface_call *f;
137 const char *pipe_name, *function, *inout, *filename;
141 struct ndr_pull *ndr_pull;
142 struct ndr_print *ndr_print;
147 enum ndr_err_code ndr_err;
150 const char *ctx_filename = NULL;
151 const char *plugin = NULL;
152 bool validate = false;
153 bool dumpdata = false;
155 enum {OPT_CONTEXT_FILE=1000, OPT_VALIDATE, OPT_DUMP_DATA, OPT_LOAD_DSO};
156 struct poptOption long_options[] = {
158 {"context-file", 'c', POPT_ARG_STRING, NULL, OPT_CONTEXT_FILE, "In-filename to parse first", "CTX-FILE" },
159 {"validate", 0, POPT_ARG_NONE, NULL, OPT_VALIDATE, "try to validate the data", NULL },
160 {"dump-data", 0, POPT_ARG_NONE, NULL, OPT_DUMP_DATA, "dump the hex data", NULL },
161 {"load-dso", 'l', POPT_ARG_STRING, NULL, OPT_LOAD_DSO, "load from shared object file", NULL },
167 #if (_SAMBA_BUILD_ >= 4)
170 /* Initialise samba stuff */
177 setup_logging(argv[0],True);
180 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
182 poptSetOtherOptionHelp(
183 pc, "<pipe|uuid> <function> <inout> [<filename>]");
185 while ((opt = poptGetNextOpt(pc)) != -1) {
187 case OPT_CONTEXT_FILE:
188 ctx_filename = poptGetOptArg(pc);
197 plugin = poptGetOptArg(pc);
202 pipe_name = poptGetArg(pc);
205 poptPrintUsage(pc, stderr, 0);
206 #if (_SAMBA_BUILD_ >= 4)
212 if (plugin != NULL) {
213 p = load_iface_from_plugin(plugin, pipe_name);
215 #if (_SAMBA_BUILD_ <= 3)
217 fprintf(stderr, "Only loading from DSO's supported in Samba 3\n");
222 p = idl_iface_by_name(pipe_name);
228 status = GUID_from_string(pipe_name, &uuid);
230 if (NT_STATUS_IS_OK(status)) {
231 p = idl_iface_by_uuid(&uuid);
237 printf("Unknown pipe or UUID '%s'\n", pipe_name);
241 function = poptGetArg(pc);
242 inout = poptGetArg(pc);
243 filename = poptGetArg(pc);
245 if (!function || !inout) {
246 poptPrintUsage(pc, stderr, 0);
251 if (strcmp(inout, "in") == 0 ||
252 strcmp(inout, "request") == 0) {
254 } else if (strcmp(inout, "out") == 0 ||
255 strcmp(inout, "response") == 0) {
258 printf("Bad inout value '%s'\n", inout);
262 f = find_function(p, function);
264 mem_ctx = talloc_init("ndrdump");
266 st = talloc_zero_size(mem_ctx, f->struct_size);
268 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
272 v_st = talloc_zero_size(mem_ctx, f->struct_size);
274 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
279 if (flags == NDR_IN) {
280 printf("Context file can only be used for \"out\" packages\n");
284 data = (uint8_t *)file_load(ctx_filename, &size, 0, mem_ctx);
286 perror(ctx_filename);
293 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, NULL);
294 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
296 ndr_err = f->ndr_pull(ndr_pull, NDR_IN, st);
298 if (ndr_pull->offset != ndr_pull->data_size) {
299 printf("WARNING! %d unread bytes while parsing context file\n", ndr_pull->data_size - ndr_pull->offset);
302 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
303 status = ndr_map_error2ntstatus(ndr_err);
304 printf("pull for context file returned %s\n", nt_errstr(status));
307 memcpy(v_st, st, f->struct_size);
311 data = (uint8_t *)file_load(filename, &size, 0, mem_ctx);
313 data = (uint8_t *)stdin_load(mem_ctx, &size);
326 ndr_pull = ndr_pull_init_blob(&blob, mem_ctx, NULL);
327 ndr_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
329 ndr_err = f->ndr_pull(ndr_pull, flags, st);
330 status = ndr_map_error2ntstatus(ndr_err);
332 printf("pull returned %s\n", nt_errstr(status));
334 if (ndr_pull->offset != ndr_pull->data_size) {
335 printf("WARNING! %d unread bytes\n", ndr_pull->data_size - ndr_pull->offset);
336 dump_data(0, ndr_pull->data+ndr_pull->offset, ndr_pull->data_size - ndr_pull->offset);
340 printf("%d bytes consumed\n", ndr_pull->offset);
341 dump_data(0, blob.data, blob.length);
344 ndr_print = talloc_zero(mem_ctx, struct ndr_print);
345 ndr_print->print = ndr_print_debug_helper;
346 ndr_print->depth = 1;
347 f->ndr_print(ndr_print, function, flags, st);
349 if (!NT_STATUS_IS_OK(status)) {
350 printf("dump FAILED\n");
356 struct ndr_push *ndr_v_push;
357 struct ndr_pull *ndr_v_pull;
358 struct ndr_print *ndr_v_print;
360 uint8_t byte_a, byte_b;
363 ndr_v_push = ndr_push_init_ctx(mem_ctx, NULL);
365 ndr_err = f->ndr_push(ndr_v_push, flags, st);
366 status = ndr_map_error2ntstatus(ndr_err);
367 printf("push returned %s\n", nt_errstr(status));
368 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
369 printf("validate push FAILED\n");
373 v_blob = ndr_push_blob(ndr_v_push);
376 printf("%ld bytes generated (validate)\n", (long)v_blob.length);
377 dump_data(0, v_blob.data, v_blob.length);
380 ndr_v_pull = ndr_pull_init_blob(&v_blob, mem_ctx, NULL);
381 ndr_v_pull->flags |= LIBNDR_FLAG_REF_ALLOC;
383 ndr_err = f->ndr_pull(ndr_v_pull, flags, v_st);
384 status = ndr_map_error2ntstatus(ndr_err);
385 printf("pull returned %s\n", nt_errstr(status));
386 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
387 printf("validate pull FAILED\n");
392 if (ndr_v_pull->offset != ndr_v_pull->data_size) {
393 printf("WARNING! %d unread bytes in validation\n", ndr_v_pull->data_size - ndr_v_pull->offset);
394 dump_data(0, ndr_v_pull->data+ndr_v_pull->offset, ndr_v_pull->data_size - ndr_v_pull->offset);
397 ndr_v_print = talloc_zero(mem_ctx, struct ndr_print);
398 ndr_v_print->print = ndr_print_debug_helper;
399 ndr_v_print->depth = 1;
400 f->ndr_print(ndr_v_print, function, flags, v_st);
402 if (blob.length != v_blob.length) {
403 printf("WARNING! orig bytes:%u validated pushed "
404 "bytes:%u\n", (unsigned int)blob.length,
405 (unsigned int)v_blob.length);
408 if (ndr_pull->offset != ndr_v_pull->offset) {
409 printf("WARNING! orig pulled bytes:%u validated pulled bytes:%u\n", ndr_pull->offset, ndr_v_pull->offset);
415 for (i=0; i < blob.length; i++) {
416 byte_a = blob.data[i];
418 if (i == v_blob.length) {
424 byte_b = v_blob.data[i];
426 if (byte_a != byte_b) {
432 printf("WARNING! orig and validated differ at byte 0x%02X (%u)\n", i, i);
433 printf("WARNING! orig byte[0x%02X] = 0x%02X validated byte[0x%02X] = 0x%02X\n",
434 i, byte_a, i, byte_b);
440 talloc_free(mem_ctx);