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1 | /* | |
2 | * Copyright (c) 2000 Andre Lucas. All rights reserved. | |
3 | * | |
4 | * Redistribution and use in source and binary forms, with or without | |
5 | * modification, are permitted provided that the following conditions | |
6 | * are met: | |
7 | * 1. Redistributions of source code must retain the above copyright | |
8 | * notice, this list of conditions and the following disclaimer. | |
9 | * 2. Redistributions in binary form must reproduce the above copyright | |
10 | * notice, this list of conditions and the following disclaimer in the | |
11 | * documentation and/or other materials provided with the distribution. | |
12 | * 3. All advertising materials mentioning features or use of this software | |
13 | * must display the following acknowledgement: | |
14 | * This product includes software developed by Markus Friedl. | |
15 | * 4. The name of the author may not be used to endorse or promote products | |
16 | * derived from this software without specific prior written permission. | |
17 | * | |
18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR | |
19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, | |
22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT | |
23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, | |
24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY | |
25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
28 | */ | |
29 | ||
30 | /** | |
31 | ** logintest.c: simple test driver for platform-independent login recording | |
32 | ** and lastlog retrieval | |
33 | **/ | |
34 | ||
35 | #include "includes.h" | |
36 | ||
37 | #include <sys/types.h> | |
38 | #include <sys/wait.h> | |
39 | #include <unistd.h> | |
40 | #include <stdlib.h> | |
41 | #include <stdio.h> | |
42 | #include <string.h> | |
43 | #include <pwd.h> | |
44 | #include <netdb.h> | |
45 | #ifdef HAVE_TIME_H | |
46 | #include <time.h> | |
47 | #endif | |
48 | ||
49 | #include "loginrec.h" | |
50 | ||
51 | RCSID("$Id$"); | |
52 | ||
53 | #ifdef HAVE___PROGNAME | |
54 | extern char *__progname; | |
55 | #else | |
56 | char *__progname; | |
57 | #endif | |
58 | ||
59 | #define PAUSE_BEFORE_LOGOUT 3 | |
60 | ||
61 | int nologtest = 0; | |
62 | int compile_opts_only = 0; | |
63 | int be_verbose = 0; | |
64 | ||
65 | ||
66 | /* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */ | |
67 | void | |
68 | dump_logininfo(struct logininfo *li, char *descname) | |
69 | { | |
70 | /* yes I know how nasty this is */ | |
71 | printf("struct logininfo %s = {\n\t" | |
72 | "progname\t'%s'\n\ttype\t\t%d\n\t" | |
73 | "pid\t\t%d\n\tuid\t\t%d\n\t" | |
74 | "line\t\t'%s'\n\tusername\t'%s'\n\t" | |
75 | "hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t" | |
76 | "tv_sec\t%d\n\ttv_usec\t%d\n\t" | |
77 | "struct login_netinfo hostaddr {\n\t\t" | |
78 | "struct sockaddr sa {\n" | |
79 | "\t\t\tfamily\t%d\n\t\t}\n" | |
80 | "\t}\n" | |
81 | "}\n", | |
82 | descname, li->progname, li->type, | |
83 | li->pid, li->uid, li->line, | |
84 | li->username, li->hostname, li->exit, | |
85 | li->termination, li->tv_sec, li->tv_usec, | |
86 | li->hostaddr.sa.sa_family); | |
87 | } | |
88 | ||
89 | ||
90 | int | |
91 | testAPI() | |
92 | { | |
93 | struct logininfo *li1; | |
94 | struct passwd *pw; | |
95 | struct hostent *he; | |
96 | struct sockaddr_in sa_in4; | |
97 | char cmdstring[256], stripline[8]; | |
98 | char username[32]; | |
99 | #ifdef HAVE_TIME_H | |
100 | time_t t0, t1, t2, logintime, logouttime; | |
101 | char s_t0[64],s_t1[64],s_t2[64]; | |
102 | char s_logintime[64], s_logouttime[64]; /* ctime() strings */ | |
103 | #endif | |
104 | ||
105 | printf("**\n** Testing the API...\n**\n"); | |
106 | ||
107 | pw = getpwuid(getuid()); | |
108 | strlcpy(username, pw->pw_name, sizeof(username)); | |
109 | ||
110 | /* gethostname(hostname, sizeof(hostname)); */ | |
111 | ||
112 | printf("login_alloc_entry test (no host info):\n"); | |
113 | ||
114 | /* FIXME fake tty more effectively - this could upset some platforms */ | |
115 | li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0)); | |
116 | strlcpy(li1->progname, "OpenSSH-logintest", sizeof(li1->progname)); | |
117 | ||
118 | if (be_verbose) | |
119 | dump_logininfo(li1, "li1"); | |
120 | ||
121 | printf("Setting host address info for 'localhost' (may call out):\n"); | |
122 | if (! (he = gethostbyname("localhost"))) { | |
123 | printf("Couldn't set hostname(lookup failed)\n"); | |
124 | } else { | |
125 | /* NOTE: this is messy, but typically a program wouldn't have to set | |
126 | * any of this, a sockaddr_in* would be already prepared */ | |
127 | memcpy((void *)&(sa_in4.sin_addr), (void *)&(he->h_addr_list[0][0]), | |
128 | sizeof(struct in_addr)); | |
129 | login_set_addr(li1, (struct sockaddr *) &sa_in4, sizeof(sa_in4)); | |
130 | strlcpy(li1->hostname, "localhost", sizeof(li1->hostname)); | |
131 | } | |
132 | if (be_verbose) | |
133 | dump_logininfo(li1, "li1"); | |
134 | ||
135 | if ((int)geteuid() != 0) { | |
136 | printf("NOT RUNNING LOGIN TESTS - you are not root!\n"); | |
137 | return 1; | |
138 | } | |
139 | ||
140 | if (nologtest) | |
141 | return 1; | |
142 | ||
143 | line_stripname(stripline, li1->line, sizeof(stripline)); | |
144 | ||
145 | printf("Performing an invalid login attempt (no type field)\n--\n"); | |
146 | login_write(li1); | |
147 | printf("--\n(Should have written errors to stderr)\n"); | |
148 | ||
149 | #ifdef HAVE_TIME_H | |
150 | (void)time(&t0); | |
151 | strlcpy(s_t0, ctime(&t0), sizeof(s_t0)); | |
152 | t1 = login_get_lastlog_time(getuid()); | |
153 | strlcpy(s_t1, ctime(&t1), sizeof(s_t1)); | |
154 | printf("Before logging in:\n\tcurrent time is %d - %s\t" | |
155 | "lastlog time is %d - %s\n", | |
156 | (int)t0, s_t0, (int)t1, s_t1); | |
157 | #endif | |
158 | ||
159 | printf("Performing a login on line %s ", stripline); | |
160 | #ifdef HAVE_TIME_H | |
161 | (void)time(&logintime); | |
162 | strlcpy(s_logintime, ctime(&logintime), sizeof(s_logintime)); | |
163 | printf("at %d - %s", (int)logintime, s_logintime); | |
164 | #endif | |
165 | printf("--\n"); | |
166 | login_login(li1); | |
167 | ||
168 | snprintf(cmdstring, sizeof(cmdstring), "who | grep '%s '", | |
169 | stripline); | |
170 | system(cmdstring); | |
171 | ||
172 | printf("--\nPausing for %d second(s)...\n", PAUSE_BEFORE_LOGOUT); | |
173 | sleep(PAUSE_BEFORE_LOGOUT); | |
174 | ||
175 | printf("Performing a logout "); | |
176 | #ifdef HAVE_TIME_H | |
177 | (void)time(&logouttime); | |
178 | strlcpy(s_logouttime, ctime(&logouttime), sizeof(s_logouttime)); | |
179 | printf("at %d - %s", (int)logouttime, s_logouttime); | |
180 | #endif | |
181 | printf("\nThe root login shown above should be gone.\n" | |
182 | "If the root login hasn't gone, but another user on the same\n" | |
183 | "pty has, this is OK - we're hacking it here, and there\n" | |
184 | "shouldn't be two users on one pty in reality...\n" | |
185 | "-- ('who' output follows)\n"); | |
186 | login_logout(li1); | |
187 | ||
188 | system(cmdstring); | |
189 | printf("-- ('who' output ends)\n"); | |
190 | ||
191 | #ifdef HAVE_TIME_H | |
192 | t2 = login_get_lastlog_time(getuid()); | |
193 | strlcpy(s_t2, ctime(&t2), sizeof(s_t2)); | |
194 | printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2); | |
195 | if (t1 == t2) | |
196 | printf("The lastlog times before and after logging in are the " | |
197 | "same.\nThis indicates that lastlog is ** NOT WORKING " | |
198 | "CORRECTLY **\n"); | |
199 | else if (t0 != t2) | |
200 | /* We can be off by a second or so, even when recording works fine. | |
201 | * I'm not 100% sure why, but it's true. */ | |
202 | printf("** The login time and the lastlog time differ.\n" | |
203 | "** This indicates that lastlog is either recording the " | |
204 | "wrong time,\n** or retrieving the wrong entry.\n" | |
205 | "If it's off by less than %d second(s) " | |
206 | "run the test again.\n", PAUSE_BEFORE_LOGOUT); | |
207 | else | |
208 | printf("lastlog agrees with the login time. This is a good thing.\n"); | |
209 | ||
210 | #endif | |
211 | ||
212 | printf("--\nThe output of 'last' shown next should have " | |
213 | "an entry for root \n on %s for the time shown above:\n--\n", | |
214 | stripline); | |
215 | snprintf(cmdstring, sizeof(cmdstring), "last | grep '%s ' | head -3", | |
216 | stripline); | |
217 | system(cmdstring); | |
218 | ||
219 | printf("--\nEnd of login test.\n"); | |
220 | ||
221 | login_free_entry(li1); | |
222 | ||
223 | return 1; | |
224 | } /* testAPI() */ | |
225 | ||
226 | ||
227 | void | |
228 | testLineName(char *line) | |
229 | { | |
230 | /* have to null-terminate - these functions are designed for | |
231 | * structures with fixed-length char arrays, and don't null-term.*/ | |
232 | char full[17], strip[9], abbrev[5]; | |
233 | ||
234 | memset(full, '\0', sizeof(full)); | |
235 | memset(strip, '\0', sizeof(strip)); | |
236 | memset(abbrev, '\0', sizeof(abbrev)); | |
237 | ||
238 | line_fullname(full, line, sizeof(full)-1); | |
239 | line_stripname(strip, full, sizeof(strip)-1); | |
240 | line_abbrevname(abbrev, full, sizeof(abbrev)-1); | |
241 | printf("%s: %s, %s, %s\n", line, full, strip, abbrev); | |
242 | ||
243 | } /* testLineName() */ | |
244 | ||
245 | ||
246 | int | |
247 | testOutput() | |
248 | { | |
249 | printf("**\n** Testing linename functions\n**\n"); | |
250 | testLineName("/dev/pts/1"); | |
251 | testLineName("pts/1"); | |
252 | testLineName("pts/999"); | |
253 | testLineName("/dev/ttyp00"); | |
254 | testLineName("ttyp00"); | |
255 | ||
256 | return 1; | |
257 | } /* testOutput() */ | |
258 | ||
259 | ||
260 | /* show which options got compiled in */ | |
261 | void | |
262 | showOptions(void) | |
263 | { | |
264 | printf("**\n** Compile-time options\n**\n"); | |
265 | ||
266 | printf("login recording methods selected:\n"); | |
267 | #ifdef USE_LOGIN | |
268 | printf("\tUSE_LOGIN\n"); | |
269 | #endif | |
270 | #ifdef USE_UTMP | |
271 | printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE); | |
272 | #endif | |
273 | #ifdef USE_UTMPX | |
274 | printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE); | |
275 | #endif | |
276 | #ifdef USE_WTMP | |
277 | printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE); | |
278 | #endif | |
279 | #ifdef USE_WTMPX | |
280 | printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE); | |
281 | #endif | |
282 | #ifdef USE_LASTLOG | |
283 | printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE); | |
284 | #endif | |
285 | printf("\n"); | |
286 | ||
287 | } /* showOptions() */ | |
288 | ||
289 | ||
290 | int | |
291 | main(int argc, char *argv[]) | |
292 | { | |
293 | printf("Platform-independent login recording test driver\n"); | |
294 | ||
295 | __progname = get_progname(argv[0]); | |
296 | if (argc == 2) { | |
297 | if (strncmp(argv[1], "-i", 3) == 0) | |
298 | compile_opts_only = 1; | |
299 | else if (strncmp(argv[1], "-v", 3) == 0) | |
300 | be_verbose=1; | |
301 | } | |
302 | ||
303 | if (!compile_opts_only) { | |
304 | if (be_verbose && !testOutput()) | |
305 | return 1; | |
306 | ||
307 | if (!testAPI()) | |
308 | return 1; | |
309 | } | |
310 | ||
311 | showOptions(); | |
312 | ||
313 | return 0; | |
314 | } /* main() */ | |
315 |