logintest.c revision 124208 
1319626Sngie/*
2319626Sngie * Copyright (c) 2000 Andre Lucas.  All rights reserved.
3319626Sngie *
4319626Sngie * Redistribution and use in source and binary forms, with or without
5319626Sngie * 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 *
13 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 */
24
25/**
26 ** logintest.c:  simple test driver for platform-independent login recording
27 **               and lastlog retrieval
28 **/
29
30#include "includes.h"
31
32#include <sys/types.h>
33#include <sys/wait.h>
34#include <unistd.h>
35#include <stdlib.h>
36#include <stdio.h>
37#include <string.h>
38#include <pwd.h>
39#include <netdb.h>
40#ifdef HAVE_TIME_H
41#include <time.h>
42#endif
43
44#include "loginrec.h"
45
46RCSID("$Id: logintest.c,v 1.10 2003/08/21 23:34:41 djm Exp $");
47
48#ifdef HAVE___PROGNAME
49extern char *__progname;
50#else
51char *__progname;
52#endif
53
54#define PAUSE_BEFORE_LOGOUT 3
55
56int nologtest = 0;
57int compile_opts_only = 0;
58int be_verbose = 0;
59
60
61/* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */
62void
63dump_logininfo(struct logininfo *li, char *descname)
64{
65	/* yes I know how nasty this is */
66	printf("struct logininfo %s = {\n\t"
67	       "progname\t'%s'\n\ttype\t\t%d\n\t"
68	       "pid\t\t%d\n\tuid\t\t%d\n\t"
69	       "line\t\t'%s'\n\tusername\t'%s'\n\t"
70	       "hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t"
71	       "tv_sec\t%d\n\ttv_usec\t%d\n\t"
72	       "struct login_netinfo hostaddr {\n\t\t"
73	       "struct sockaddr sa {\n"
74	       "\t\t\tfamily\t%d\n\t\t}\n"
75	       "\t}\n"
76	       "}\n",
77	       descname, li->progname, li->type,
78	       li->pid, li->uid, li->line,
79	       li->username, li->hostname, li->exit,
80	       li->termination, li->tv_sec, li->tv_usec,
81	       li->hostaddr.sa.sa_family);
82}
83
84
85int
86testAPI()
87{
88	struct logininfo *li1;
89	struct passwd *pw;
90	struct hostent *he;
91	struct sockaddr_in sa_in4;
92	char cmdstring[256], stripline[8];
93	char username[32];
94#ifdef HAVE_TIME_H
95	time_t t0, t1, t2, logintime, logouttime;
96	char s_t0[64],s_t1[64],s_t2[64];
97	char s_logintime[64], s_logouttime[64]; /* ctime() strings */
98#endif
99
100	printf("**\n** Testing the API...\n**\n");
101
102	pw = getpwuid(getuid());
103	strlcpy(username, pw->pw_name, sizeof(username));
104
105	/* gethostname(hostname, sizeof(hostname)); */
106
107	printf("login_alloc_entry test (no host info):\n");
108
109	/* FIXME fake tty more effectively - this could upset some platforms */
110	li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0));
111	strlcpy(li1->progname, "OpenSSH-logintest", sizeof(li1->progname));
112
113	if (be_verbose)
114		dump_logininfo(li1, "li1");
115
116	printf("Setting host address info for 'localhost' (may call out):\n");
117	if (! (he = gethostbyname("localhost"))) {
118		printf("Couldn't set hostname(lookup failed)\n");
119	} else {
120		/* NOTE: this is messy, but typically a program wouldn't have to set
121		 *  any of this, a sockaddr_in* would be already prepared */
122		memcpy((void *)&(sa_in4.sin_addr), (void *)&(he->h_addr_list[0][0]),
123		       sizeof(struct in_addr));
124		login_set_addr(li1, (struct sockaddr *) &sa_in4, sizeof(sa_in4));
125		strlcpy(li1->hostname, "localhost", sizeof(li1->hostname));
126	}
127	if (be_verbose)
128		dump_logininfo(li1, "li1");
129
130	if ((int)geteuid() != 0) {
131		printf("NOT RUNNING LOGIN TESTS - you are not root!\n");
132		return 1;
133	}
134
135	if (nologtest)
136		return 1;
137
138	line_stripname(stripline, li1->line, sizeof(stripline));
139
140	printf("Performing an invalid login attempt (no type field)\n--\n");
141	login_write(li1);
142	printf("--\n(Should have written errors to stderr)\n");
143
144#ifdef HAVE_TIME_H
145	(void)time(&t0);
146	strlcpy(s_t0, ctime(&t0), sizeof(s_t0));
147	t1 = login_get_lastlog_time(getuid());
148	strlcpy(s_t1, ctime(&t1), sizeof(s_t1));
149	printf("Before logging in:\n\tcurrent time is %d - %s\t"
150	       "lastlog time is %d - %s\n",
151	       (int)t0, s_t0, (int)t1, s_t1);
152#endif
153
154	printf("Performing a login on line %s ", stripline);
155#ifdef HAVE_TIME_H
156	(void)time(&logintime);
157	strlcpy(s_logintime, ctime(&logintime), sizeof(s_logintime));
158	printf("at %d - %s", (int)logintime, s_logintime);
159#endif
160	printf("--\n");
161	login_login(li1);
162
163	snprintf(cmdstring, sizeof(cmdstring), "who | grep '%s '",
164		 stripline);
165	system(cmdstring);
166
167	printf("--\nPausing for %d second(s)...\n", PAUSE_BEFORE_LOGOUT);
168	sleep(PAUSE_BEFORE_LOGOUT);
169
170	printf("Performing a logout ");
171#ifdef HAVE_TIME_H
172	(void)time(&logouttime);
173	strlcpy(s_logouttime, ctime(&logouttime), sizeof(s_logouttime));
174	printf("at %d - %s", (int)logouttime, s_logouttime);
175#endif
176	printf("\nThe root login shown above should be gone.\n"
177	       "If the root login hasn't gone, but another user on the same\n"
178	       "pty has, this is OK - we're hacking it here, and there\n"
179	       "shouldn't be two users on one pty in reality...\n"
180	       "-- ('who' output follows)\n");
181	login_logout(li1);
182
183	system(cmdstring);
184	printf("-- ('who' output ends)\n");
185
186#ifdef HAVE_TIME_H
187	t2 = login_get_lastlog_time(getuid());
188	strlcpy(s_t2, ctime(&t2), sizeof(s_t2));
189	printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2);
190	if (t1 == t2)
191		printf("The lastlog times before and after logging in are the "
192		       "same.\nThis indicates that lastlog is ** NOT WORKING "
193		       "CORRECTLY **\n");
194	else if (t0 != t2)
195		/* We can be off by a second or so, even when recording works fine.
196		 * I'm not 100% sure why, but it's true. */
197		printf("** The login time and the lastlog time differ.\n"
198		       "** This indicates that lastlog is either recording the "
199		       "wrong time,\n** or retrieving the wrong entry.\n"
200		       "If it's off by less than %d second(s) "
201		       "run the test again.\n", PAUSE_BEFORE_LOGOUT);
202	else
203		printf("lastlog agrees with the login time. This is a good thing.\n");
204
205#endif
206
207	printf("--\nThe output of 'last' shown next should have "
208	       "an entry for root \n  on %s for the time shown above:\n--\n",
209	       stripline);
210	snprintf(cmdstring, sizeof(cmdstring), "last | grep '%s ' | head -3",
211		 stripline);
212	system(cmdstring);
213
214	printf("--\nEnd of login test.\n");
215
216	login_free_entry(li1);
217
218	return 1;
219} /* testAPI() */
220
221
222void
223testLineName(char *line)
224{
225	/* have to null-terminate - these functions are designed for
226	 * structures with fixed-length char arrays, and don't null-term.*/
227	char full[17], strip[9], abbrev[5];
228
229	memset(full, '\0', sizeof(full));
230	memset(strip, '\0', sizeof(strip));
231	memset(abbrev, '\0', sizeof(abbrev));
232
233	line_fullname(full, line, sizeof(full)-1);
234	line_stripname(strip, full, sizeof(strip)-1);
235	line_abbrevname(abbrev, full, sizeof(abbrev)-1);
236	printf("%s: %s, %s, %s\n", line, full, strip, abbrev);
237
238} /* testLineName() */
239
240
241int
242testOutput()
243{
244	printf("**\n** Testing linename functions\n**\n");
245	testLineName("/dev/pts/1");
246	testLineName("pts/1");
247	testLineName("pts/999");
248	testLineName("/dev/ttyp00");
249	testLineName("ttyp00");
250
251	return 1;
252} /* testOutput() */
253
254
255/* show which options got compiled in */
256void
257showOptions(void)
258{
259	printf("**\n** Compile-time options\n**\n");
260
261	printf("login recording methods selected:\n");
262#ifdef USE_LOGIN
263	printf("\tUSE_LOGIN\n");
264#endif
265#ifdef USE_UTMP
266	printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE);
267#endif
268#ifdef USE_UTMPX
269	printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE);
270#endif
271#ifdef USE_WTMP
272	printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE);
273#endif
274#ifdef USE_WTMPX
275	printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE);
276#endif
277#ifdef USE_LASTLOG
278	printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE);
279#endif
280	printf("\n");
281
282} /* showOptions() */
283
284
285int
286main(int argc, char *argv[])
287{
288	printf("Platform-independent login recording test driver\n");
289
290	__progname = ssh_get_progname(argv[0]);
291	if (argc == 2) {
292		if (strncmp(argv[1], "-i", 3) == 0)
293			compile_opts_only = 1;
294		else if (strncmp(argv[1], "-v", 3) == 0)
295			be_verbose=1;
296	}
297
298	if (!compile_opts_only) {
299		if (be_verbose && !testOutput())
300			return 1;
301
302		if (!testAPI())
303			return 1;
304	}
305
306	showOptions();
307
308	return 0;
309} /* main() */
310
311