1/***************************************************************************
2 * _ _ ____ _
3 * Project ___| | | | _ \| |
4 * / __| | | | |_) | |
5 * | (__| |_| | _ <| |___
6 * \___|\___/|_| \_\_____|
7 *
8 * Copyright (C) 2010, Mandy Wu, <mandy.wu@intel.com>
9 * Copyright (C) 2011 - 2018, Daniel Stenberg, <daniel@haxx.se>, et al.
10 *
11 * This software is licensed as described in the file COPYING, which
12 * you should have received as part of this distribution. The terms
13 * are also available at https://curl.haxx.se/docs/copyright.html.
14 *
15 * You may opt to use, copy, modify, merge, publish, distribute and/or sell
16 * copies of the Software, and permit persons to whom the Software is
17 * furnished to do so, under the terms of the COPYING file.
18 *
19 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
20 * KIND, either express or implied.
21 *
22 ***************************************************************************/
23#include "server_setup.h"
24
25/*
26 * This is a fake ntlm_auth, which is used for testing NTLM single-sign-on.
27 * When DEBUGBUILD is defined, libcurl invoke this tool instead of real winbind
28 * daemon helper /usr/bin/ntlm_auth. This tool will accept commands and
29 * responses with a pre-written string saved in test case test2005.
30 */
31
32#define ENABLE_CURLX_PRINTF
33#include "curlx.h" /* from the private lib dir */
34#include "getpart.h"
35#include "util.h"
36
37/* include memdebug.h last */
38#include "memdebug.h"
39
40#define LOGFILE "log/fake_ntlm%ld.log"
41
42const char *serverlogfile;
43
44/*
45 * Returns an allocated buffer with printable representation of input
46 * buffer contents or returns NULL on out of memory condition.
47 */
48static char *printable(char *inbuf, size_t inlength)
49{
50 char *outbuf;
51 char *newbuf;
52 size_t newsize;
53 size_t outsize;
54 size_t outincr = 0;
55 size_t i, o = 0;
56
57#define HEX_FMT_STR "[0x%02X]"
58#define HEX_STR_LEN 6
59#define NOTHING_STR "[NOTHING]"
60#define NOTHING_LEN 9
61
62 if(!inlength)
63 inlength = strlen(inbuf);
64
65 if(inlength) {
66 outincr = ((inlength/2) < (HEX_STR_LEN + 1)) ?
67 HEX_STR_LEN + 1 : inlength/2;
68 outsize = inlength + outincr;
69 }
70 else
71 outsize = NOTHING_LEN + 1;
72
73 outbuf = malloc(outsize);
74 if(!outbuf)
75 return NULL;
76
77 if(!inlength) {
78 msnprintf(&outbuf[0], outsize, "%s", NOTHING_STR);
79 return outbuf;
80 }
81
82 for(i = 0; i<inlength; i++) {
83
84 if(o > outsize - (HEX_STR_LEN + 1)) {
85 newsize = outsize + outincr;
86 newbuf = realloc(outbuf, newsize);
87 if(!newbuf) {
88 free(outbuf);
89 return NULL;
90 }
91 outbuf = newbuf;
92 outsize = newsize;
93 }
94
95 if((inbuf[i] > 0x20) && (inbuf[i] < 0x7F)) {
96 outbuf[o] = inbuf[i];
97 o++;
98 }
99 else {
100 msnprintf(&outbuf[o], outsize - o, HEX_FMT_STR, inbuf[i]);
101 o += HEX_STR_LEN;
102 }
103
104 }
105 outbuf[o] = '\0';
106
107 return outbuf;
108}
109
110int main(int argc, char *argv[])
111{
112 char buf[1024];
113 char logfilename[256];
114 FILE *stream;
115 char *filename;
116 int error;
117 char *type1_input = NULL, *type3_input = NULL;
118 char *type1_output = NULL, *type3_output = NULL;
119 size_t size = 0;
120 long testnum;
121 const char *env;
122 int arg = 1;
123 const char *helper_user = "unknown";
124 const char *helper_proto = "unknown";
125 const char *helper_domain = "unknown";
126 bool use_cached_creds = FALSE;
127 char *msgbuf;
128
129 buf[0] = '\0';
130
131 while(argc > arg) {
132 if(!strcmp("--use-cached-creds", argv[arg])) {
133 use_cached_creds = TRUE;
134 arg++;
135 }
136 else if(!strcmp("--helper-protocol", argv[arg])) {
137 arg++;
138 if(argc > arg)
139 helper_proto = argv[arg++];
140 }
141 else if(!strcmp("--username", argv[arg])) {
142 arg++;
143 if(argc > arg)
144 helper_user = argv[arg++];
145 }
146 else if(!strcmp("--domain", argv[arg])) {
147 arg++;
148 if(argc > arg)
149 helper_domain = argv[arg++];
150 }
151 else {
152 puts("Usage: fake_ntlm [option]\n"
153 " --use-cached-creds\n"
154 " --helper-protocol [protocol]\n"
155 " --username [username]\n"
156 " --domain [domain]");
157 exit(1);
158 }
159 }
160
161 env = getenv("CURL_NTLM_AUTH_TESTNUM");
162 if(env) {
163 char *endptr;
164 long lnum = strtol(env, &endptr, 10);
165 if((endptr != env + strlen(env)) || (lnum < 1L)) {
166 fprintf(stderr, "Test number not valid in CURL_NTLM_AUTH_TESTNUM");
167 exit(1);
168 }
169 testnum = lnum;
170 }
171 else {
172 fprintf(stderr, "Test number not specified in CURL_NTLM_AUTH_TESTNUM");
173 exit(1);
174 }
175
176 /* logmsg cannot be used until this file name is set */
177 msnprintf(logfilename, sizeof(logfilename), LOGFILE, testnum);
178 serverlogfile = logfilename;
179
180 logmsg("fake_ntlm (user: %s) (proto: %s) (domain: %s) (cached creds: %s)",
181 helper_user, helper_proto, helper_domain,
182 (use_cached_creds) ? "yes" : "no");
183
184 env = getenv("CURL_NTLM_AUTH_SRCDIR");
185 if(env) {
186 path = env;
187 }
188
189 filename = test2file(testnum);
190 stream = fopen(filename, "rb");
191 if(!stream) {
192 error = errno;
193 logmsg("fopen() failed with error: %d %s", error, strerror(error));
194 logmsg("Error opening file: %s", filename);
195 logmsg("Couldn't open test file %ld", testnum);
196 exit(1);
197 }
198 else {
199 /* get the ntlm_auth input/output */
200 error = getpart(&type1_input, &size, "ntlm_auth_type1", "input", stream);
201 fclose(stream);
202 if(error || size == 0) {
203 logmsg("getpart() type 1 input failed with error: %d", error);
204 exit(1);
205 }
206 }
207
208 stream = fopen(filename, "rb");
209 if(!stream) {
210 error = errno;
211 logmsg("fopen() failed with error: %d %s", error, strerror(error));
212 logmsg("Error opening file: %s", filename);
213 logmsg("Couldn't open test file %ld", testnum);
214 exit(1);
215 }
216 else {
217 size = 0;
218 error = getpart(&type3_input, &size, "ntlm_auth_type3", "input", stream);
219 fclose(stream);
220 if(error || size == 0) {
221 logmsg("getpart() type 3 input failed with error: %d", error);
222 exit(1);
223 }
224 }
225
226 while(fgets(buf, sizeof(buf), stdin)) {
227 if(strcmp(buf, type1_input) == 0) {
228 stream = fopen(filename, "rb");
229 if(!stream) {
230 error = errno;
231 logmsg("fopen() failed with error: %d %s", error, strerror(error));
232 logmsg("Error opening file: %s", filename);
233 logmsg("Couldn't open test file %ld", testnum);
234 exit(1);
235 }
236 else {
237 size = 0;
238 error = getpart(&type1_output, &size, "ntlm_auth_type1", "output",
239 stream);
240 fclose(stream);
241 if(error || size == 0) {
242 logmsg("getpart() type 1 output failed with error: %d", error);
243 exit(1);
244 }
245 }
246 printf("%s", type1_output);
247 fflush(stdout);
248 }
249 else if(strncmp(buf, type3_input, strlen(type3_input)) == 0) {
250 stream = fopen(filename, "rb");
251 if(!stream) {
252 error = errno;
253 logmsg("fopen() failed with error: %d %s", error, strerror(error));
254 logmsg("Error opening file: %s", filename);
255 logmsg("Couldn't open test file %ld", testnum);
256 exit(1);
257 }
258 else {
259 size = 0;
260 error = getpart(&type3_output, &size, "ntlm_auth_type3", "output",
261 stream);
262 fclose(stream);
263 if(error || size == 0) {
264 logmsg("getpart() type 3 output failed with error: %d", error);
265 exit(1);
266 }
267 }
268 printf("%s", type3_output);
269 fflush(stdout);
270 }
271 else {
272 printf("Unknown request\n");
273 msgbuf = printable(buf, 0);
274 if(msgbuf) {
275 logmsg("invalid input: '%s'\n", msgbuf);
276 free(msgbuf);
277 }
278 else
279 logmsg("OOM formatting invalid input: '%s'\n", buf);
280 exit(1);
281 }
282 }
283 logmsg("Exit");
284 return 1;
285}
286