source: branches/samba-3.2.x/source/librpc/tools/ndrdump.c@ 221

Last change on this file since 221 was 133, checked in by Paul Smedley, 18 years ago

Update trunk to 3.2.0pre3
File size: 10.5 KB
Line 
1/*
2 Unix SMB/CIFS implementation.
3 SMB torture tester
4 Copyright (C) Andrew Tridgell 2003
5 Copyright (C) Jelmer Vernooij 2006
6
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.
11
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.
16
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/>.
19*/
20
21#include "includes.h"
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"
28#endif
29
30static const struct ndr_interface_call *find_function(
31 const struct ndr_interface_table *p,
32 const char *function)
33{
34 int i;
35 if (isdigit(function[0])) {
36 i = strtol(function, NULL, 0);
37 return &p->calls[i];
38 }
39 for (i=0;i<p->num_calls;i++) {
40 if (strcmp(p->calls[i].name, function) == 0) {
41 break;
42 }
43 }
44 if (i == p->num_calls) {
45 printf("Function '%s' not found\n", function);
46 exit(1);
47 }
48 return &p->calls[i];
49}
50
51#if (_SAMBA_BUILD_ >= 4)
52
53static void show_pipes(void)
54{
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);
61 } else {
62 printf("\t%s\n", l->table->name);
63 }
64 }
65 exit(1);
66}
67
68#endif
69
70static void show_functions(const struct ndr_interface_table *p)
71{
72 int i;
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);
77 }
78 exit(1);
79}
80
81static char *stdin_load(TALLOC_CTX *mem_ctx, size_t *size)
82{
83 int num_read, total_len = 0;
84 char buf[255];
85 char *result = NULL;
86
87 while((num_read = read(STDIN_FILENO, buf, 255)) > 0) {
88
89 if (result) {
90 result = (char *) talloc_realloc(
91 mem_ctx, result, char *, total_len + num_read);
92 } else {
93 result = (char *) talloc_size(mem_ctx, num_read);
94 }
95
96 memcpy(result + total_len, buf, num_read);
97
98 total_len += num_read;
99 }
100
101 if (size)
102 *size = total_len;
103
104 return result;
105}
106
107static const struct ndr_interface_table *load_iface_from_plugin(const char *plugin, const char *pipe_name)
108{
109 const struct ndr_interface_table *p;
110 void *handle;
111 char *symbol;
112
113 handle = dlopen(plugin, RTLD_NOW);
114 if (handle == NULL) {
115 printf("%s: Unable to open: %s\n", plugin, dlerror());
116 return NULL;
117 }
118
119 symbol = talloc_asprintf(NULL, "ndr_table_%s", pipe_name);
120 p = (const struct ndr_interface_table *)dlsym(handle, symbol);
121
122 if (!p) {
123 printf("%s: Unable to find DCE/RPC interface table for '%s': %s\n", plugin, pipe_name, dlerror());
124 talloc_free(symbol);
125 return NULL;
126 }
127
128 talloc_free(symbol);
129
130 return p;
131}
132
133 int main(int argc, const char *argv[])
134{
135 const struct ndr_interface_table *p = NULL;
136 const struct ndr_interface_call *f;
137 const char *pipe_name, *function, *inout, *filename;
138 uint8_t *data;
139 size_t size;
140 DATA_BLOB blob;
141 struct ndr_pull *ndr_pull;
142 struct ndr_print *ndr_print;
143 TALLOC_CTX *mem_ctx;
144 int flags;
145 poptContext pc;
146 NTSTATUS status;
147 enum ndr_err_code ndr_err;
148 void *st;
149 void *v_st;
150 const char *ctx_filename = NULL;
151 const char *plugin = NULL;
152 bool validate = false;
153 bool dumpdata = false;
154 int opt;
155 enum {OPT_CONTEXT_FILE=1000, OPT_VALIDATE, OPT_DUMP_DATA, OPT_LOAD_DSO};
156 struct poptOption long_options[] = {
157 POPT_AUTOHELP
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 },
162 POPT_COMMON_SAMBA
163 POPT_COMMON_VERSION
164 { NULL }
165 };
166
167#if (_SAMBA_BUILD_ >= 4)
168 ndr_table_init();
169#else
170 /* Initialise samba stuff */
171 load_case_tables();
172
173 setlinebuf(stdout);
174
175 dbf = x_stderr;
176
177 setup_logging(argv[0],True);
178#endif
179
180 pc = poptGetContext("ndrdump", argc, argv, long_options, 0);
181
182 poptSetOtherOptionHelp(
183 pc, "<pipe|uuid> <function> <inout> [<filename>]");
184
185 while ((opt = poptGetNextOpt(pc)) != -1) {
186 switch (opt) {
187 case OPT_CONTEXT_FILE:
188 ctx_filename = poptGetOptArg(pc);
189 break;
190 case OPT_VALIDATE:
191 validate = true;
192 break;
193 case OPT_DUMP_DATA:
194 dumpdata = true;
195 break;
196 case OPT_LOAD_DSO:
197 plugin = poptGetOptArg(pc);
198 break;
199 }
200 }
201
202 pipe_name = poptGetArg(pc);
203
204 if (!pipe_name) {
205 poptPrintUsage(pc, stderr, 0);
206#if (_SAMBA_BUILD_ >= 4)
207 show_pipes();
208#endif
209 exit(1);
210 }
211
212 if (plugin != NULL) {
213 p = load_iface_from_plugin(plugin, pipe_name);
214 }
215#if (_SAMBA_BUILD_ <= 3)
216 else {
217 fprintf(stderr, "Only loading from DSO's supported in Samba 3\n");
218 exit(1);
219 }
220#else
221 if (!p) {
222 p = idl_iface_by_name(pipe_name);
223 }
224
225 if (!p) {
226 struct GUID uuid;
227
228 status = GUID_from_string(pipe_name, &uuid);
229
230 if (NT_STATUS_IS_OK(status)) {
231 p = idl_iface_by_uuid(&uuid);
232 }
233 }
234#endif
235
236 if (!p) {
237 printf("Unknown pipe or UUID '%s'\n", pipe_name);
238 exit(1);
239 }
240
241 function = poptGetArg(pc);
242 inout = poptGetArg(pc);
243 filename = poptGetArg(pc);
244
245 if (!function || !inout) {
246 poptPrintUsage(pc, stderr, 0);
247 show_functions(p);
248 exit(1);
249 }
250
251 if (strcmp(inout, "in") == 0 ||
252 strcmp(inout, "request") == 0) {
253 flags = NDR_IN;
254 } else if (strcmp(inout, "out") == 0 ||
255 strcmp(inout, "response") == 0) {
256 flags = NDR_OUT;
257 } else {
258 printf("Bad inout value '%s'\n", inout);
259 exit(1);
260 }
261
262 f = find_function(p, function);
263
264 mem_ctx = talloc_init("ndrdump");
265
266 st = talloc_zero_size(mem_ctx, f->struct_size);
267 if (!st) {
268 printf("Unable to allocate %d bytes\n", (int)f->struct_size);
269 exit(1);
270 }