[gssapi-openssh.git] / openssh / logintest.c

/*
 * Copyright (c) 2000 Andre Lucas.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

/**
 ** logintest.c:  simple test driver for platform-independent login recording
 **               and lastlog retrieval
 **/

#include "includes.h"

#include <sys/types.h>
#include <sys/wait.h>
#include <sys/socket.h>

#include <netinet/in.h>

#include <unistd.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <pwd.h>
#include <netdb.h>
#ifdef HAVE_TIME_H
#include <time.h>
#endif

#include "loginrec.h"

extern char *__progname;

#define PAUSE_BEFORE_LOGOUT 3

int nologtest = 0;
int compile_opts_only = 0;
int be_verbose = 0;


/* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */
void
dump_logininfo(struct logininfo *li, char *descname)
{
	/* yes I know how nasty this is */
	printf("struct logininfo %s = {\n\t"
	       "progname\t'%s'\n\ttype\t\t%d\n\t"
	       "pid\t\t%d\n\tuid\t\t%d\n\t"
	       "line\t\t'%s'\n\tusername\t'%s'\n\t"
	       "hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t"
	       "tv_sec\t%d\n\ttv_usec\t%d\n\t"
	       "struct login_netinfo hostaddr {\n\t\t"
	       "struct sockaddr sa {\n"
	       "\t\t\tfamily\t%d\n\t\t}\n"
	       "\t}\n"
	       "}\n",
	       descname, li->progname, li->type,
	       li->pid, li->uid, li->line,
	       li->username, li->hostname, li->exit,
	       li->termination, li->tv_sec, li->tv_usec,
	       li->hostaddr.sa.sa_family);
}


int
testAPI()
{
	struct logininfo *li1;
	struct passwd *pw;
	struct hostent *he;
	struct sockaddr_in sa_in4;
	char cmdstring[256], stripline[8];
	char username[32];
#ifdef HAVE_TIME_H
	time_t t0, t1, t2, logintime, logouttime;
	char s_t0[64],s_t1[64],s_t2[64];
	char s_logintime[64], s_logouttime[64]; /* ctime() strings */
#endif

	printf("**\n** Testing the API...\n**\n");

	pw = getpwuid(getuid());
	strlcpy(username, pw->pw_name, sizeof(username));

	/* gethostname(hostname, sizeof(hostname)); */

	printf("login_alloc_entry test (no host info):\n");

	/* FIXME fake tty more effectively - this could upset some platforms */
	li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0));
	strlcpy(li1->progname, "OpenSSH-logintest", sizeof(li1->progname));

	if (be_verbose)
		dump_logininfo(li1, "li1");

	printf("Setting host address info for 'localhost' (may call out):\n");
	if (! (he = gethostbyname("localhost"))) {
		printf("Couldn't set hostname(lookup failed)\n");
	} else {
		/* NOTE: this is messy, but typically a program wouldn't have to set
		 *  any of this, a sockaddr_in* would be already prepared */
		memcpy((void *)&(sa_in4.sin_addr), (void *)&(he->h_addr_list[0][0]),
		       sizeof(struct in_addr));
		login_set_addr(li1, (struct sockaddr *) &sa_in4, sizeof(sa_in4));
		strlcpy(li1->hostname, "localhost", sizeof(li1->hostname));
	}
	if (be_verbose)
		dump_logininfo(li1, "li1");

	if ((int)geteuid() != 0) {
		printf("NOT RUNNING LOGIN TESTS - you are not root!\n");
		return 1;
	}

	if (nologtest)
		return 1;

	line_stripname(stripline, li1->line, sizeof(stripline));

	printf("Performing an invalid login attempt (no type field)\n--\n");
	login_write(li1);
	printf("--\n(Should have written errors to stderr)\n");

#ifdef HAVE_TIME_H
	(void)time(&t0);
	strlcpy(s_t0, ctime(&t0), sizeof(s_t0));
	t1 = login_get_lastlog_time(getuid());
	strlcpy(s_t1, ctime(&t1), sizeof(s_t1));
	printf("Before logging in:\n\tcurrent time is %d - %s\t"
	       "lastlog time is %d - %s\n",
	       (int)t0, s_t0, (int)t1, s_t1);
#endif

	printf("Performing a login on line %s ", stripline);
#ifdef HAVE_TIME_H
	(void)time(&logintime);
	strlcpy(s_logintime, ctime(&logintime), sizeof(s_logintime));
	printf("at %d - %s", (int)logintime, s_logintime);
#endif
	printf("--\n");
	login_login(li1);

	snprintf(cmdstring, sizeof(cmdstring), "who | grep '%s '",
		 stripline);
	system(cmdstring);

	printf("--\nPausing for %d second(s)...\n", PAUSE_BEFORE_LOGOUT);
	sleep(PAUSE_BEFORE_LOGOUT);

	printf("Performing a logout ");
#ifdef HAVE_TIME_H
	(void)time(&logouttime);
	strlcpy(s_logouttime, ctime(&logouttime), sizeof(s_logouttime));
	printf("at %d - %s", (int)logouttime, s_logouttime);
#endif
	printf("\nThe root login shown above should be gone.\n"
	       "If the root login hasn't gone, but another user on the same\n"
	       "pty has, this is OK - we're hacking it here, and there\n"
	       "shouldn't be two users on one pty in reality...\n"
	       "-- ('who' output follows)\n");
	login_logout(li1);

	system(cmdstring);
	printf("-- ('who' output ends)\n");

#ifdef HAVE_TIME_H
	t2 = login_get_lastlog_time(getuid());
	strlcpy(s_t2, ctime(&t2), sizeof(s_t2));
	printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2);
	if (t1 == t2)
		printf("The lastlog times before and after logging in are the "
		       "same.\nThis indicates that lastlog is ** NOT WORKING "
		       "CORRECTLY **\n");
	else if (t0 != t2)
		/* We can be off by a second or so, even when recording works fine.
		 * I'm not 100% sure why, but it's true. */
		printf("** The login time and the lastlog time differ.\n"
		       "** This indicates that lastlog is either recording the "
		       "wrong time,\n** or retrieving the wrong entry.\n"
		       "If it's off by less than %d second(s) "
		       "run the test again.\n", PAUSE_BEFORE_LOGOUT);
	else
		printf("lastlog agrees with the login time. This is a good thing.\n");

#endif

	printf("--\nThe output of 'last' shown next should have "
	       "an entry for root \n  on %s for the time shown above:\n--\n",
	       stripline);
	snprintf(cmdstring, sizeof(cmdstring), "last | grep '%s ' | head -3",
		 stripline);
	system(cmdstring);

	printf("--\nEnd of login test.\n");

	login_free_entry(li1);

	return 1;
} /* testAPI() */


void
testLineName(char *line)
{
	/* have to null-terminate - these functions are designed for
	 * structures with fixed-length char arrays, and don't null-term.*/
	char full[17], strip[9], abbrev[5];

	memset(full, '\0', sizeof(full));
	memset(strip, '\0', sizeof(strip));
	memset(abbrev, '\0', sizeof(abbrev));

	line_fullname(full, line, sizeof(full)-1);
	line_stripname(strip, full, sizeof(strip)-1);
	line_abbrevname(abbrev, full, sizeof(abbrev)-1);
	printf("%s: %s, %s, %s\n", line, full, strip, abbrev);

} /* testLineName() */


int
testOutput()
{
	printf("**\n** Testing linename functions\n**\n");
	testLineName("/dev/pts/1");
	testLineName("pts/1");
	testLineName("pts/999");
	testLineName("/dev/ttyp00");
	testLineName("ttyp00");

	return 1;
} /* testOutput() */


/* show which options got compiled in */
void
showOptions(void)
{
	printf("**\n** Compile-time options\n**\n");

	printf("login recording methods selected:\n");
#ifdef USE_LOGIN
	printf("\tUSE_LOGIN\n");
#endif
#ifdef USE_UTMP
	printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE);
#endif
#ifdef USE_UTMPX
	printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE);
#endif
#ifdef USE_WTMP
	printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE);
#endif
#ifdef USE_WTMPX
	printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE);
#endif
#ifdef USE_LASTLOG
	printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE);
#endif
	printf("\n");

} /* showOptions() */


int
main(int argc, char *argv[])
{
	printf("Platform-independent login recording test driver\n");

	__progname = ssh_get_progname(argv[0]);
	if (argc == 2) {
		if (strncmp(argv[1], "-i", 3) == 0)
			compile_opts_only = 1;
		else if (strncmp(argv[1], "-v", 3) == 0)
			be_verbose=1;
	}

	if (!compile_opts_only) {
		if (be_verbose && !testOutput())
			return 1;

		if (!testAPI())
			return 1;
	}

	showOptions();

	return 0;
} /* main() */
Commit	Line	Data
3c0ef626	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.
3c0ef626	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>
9108f8d9	34	#include <sys/socket.h>
	35
	36	#include <netinet/in.h>
	37
3c0ef626	38	#include <unistd.h>
	39	#include <stdlib.h>
	40	#include <stdio.h>
	41	#include <string.h>
	42	#include <pwd.h>
	43	#include <netdb.h>
	44	#ifdef HAVE_TIME_H
	45	#include <time.h>
	46	#endif
	47
	48	#include "loginrec.h"
	49
3c0ef626	50	extern char *__progname;
3c0ef626	51
	52	#define PAUSE_BEFORE_LOGOUT 3
	53
	54	int nologtest = 0;
	55	int compile_opts_only = 0;
	56	int be_verbose = 0;
	57
	58
	59	/* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */
	60	void
	61	dump_logininfo(struct logininfo li, char descname)
	62	{
	63	/* yes I know how nasty this is */
	64	printf("struct logininfo %s = {\n\t"
	65	"progname\t'%s'\n\ttype\t\t%d\n\t"
	66	"pid\t\t%d\n\tuid\t\t%d\n\t"
	67	"line\t\t'%s'\n\tusername\t'%s'\n\t"
	68	"hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t"
	69	"tv_sec\t%d\n\ttv_usec\t%d\n\t"
	70	"struct login_netinfo hostaddr {\n\t\t"
	71	"struct sockaddr sa {\n"
	72	"\t\t\tfamily\t%d\n\t\t}\n"
	73	"\t}\n"
	74	"}\n",
	75	descname, li->progname, li->type,
	76	li->pid, li->uid, li->line,
	77	li->username, li->hostname, li->exit,
	78	li->termination, li->tv_sec, li->tv_usec,
	79	li->hostaddr.sa.sa_family);
	80	}
	81
	82
	83	int
	84	testAPI()
	85	{
	86	struct logininfo *li1;
	87	struct passwd *pw;
	88	struct hostent *he;
	89	struct sockaddr_in sa_in4;
	90	char cmdstring[256], stripline[8];
	91	char username[32];
	92	#ifdef HAVE_TIME_H
	93	time_t t0, t1, t2, logintime, logouttime;
	94	char s_t0[64],s_t1[64],s_t2[64];
	95	char s_logintime[64], s_logouttime[64]; /* ctime() strings */
	96	#endif
	97
	98	printf("\n Testing the API...\n**\n");
	99
	100	pw = getpwuid(getuid());
	101	strlcpy(username, pw->pw_name, sizeof(username));
	102
	103	/* gethostname(hostname, sizeof(hostname)); */
	104
	105	printf("login_alloc_entry test (no host info):\n");
	106
	107	/* FIXME fake tty more effectively - this could upset some platforms */
	108	li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0));
	109	strlcpy(li1->progname, "OpenSSH-logintest", sizeof(li1->progname));
	110
	111	if (be_verbose)
	112	dump_logininfo(li1, "li1");
	113
	114	printf("Setting host address info for 'localhost' (may call out):\n");
115	if (! (he = gethostbyname("localhost"))) {
116	printf("Couldn't set hostname(lookup failed)\n");
117	} else {
118	/* NOTE: this is messy, but typically a program wouldn't have to set
119	* any of this, a sockaddr_in* would be already prepared */
120	memcpy((void )&(sa_in4.sin_addr), (void )&(he->h_addr_list[0][0]),
121	sizeof(struct in_addr));
122	login_set_addr(li1, (struct sockaddr *) &sa_in4, sizeof(sa_in4));
123	strlcpy(li1->hostname, "localhost", sizeof(li1->hostname));
124	}
125	if (be_verbose)
126	dump_logininfo(li1, "li1");
127
128	if ((int)geteuid() != 0) {
129	printf("NOT RUNNING LOGIN TESTS - you are not root!\n");
130	return 1;
131	}
132
133	if (nologtest)
134	return 1;
135
136	line_stripname(stripline, li1->line, sizeof(stripline));
137
138	printf("Performing an invalid login attempt (no type field)\n--\n");
139	login_write(li1);
140	printf("--\n(Should have written errors to stderr)\n");
141
142	#ifdef HAVE_TIME_H
143	(void)time(&t0);
144	strlcpy(s_t0, ctime(&t0), sizeof(s_t0));
145	t1 = login_get_lastlog_time(getuid());
146	strlcpy(s_t1, ctime(&t1), sizeof(s_t1));
147	printf("Before logging in:\n\tcurrent time is %d - %s\t"
148	"lastlog time is %d - %s\n",
149	(int)t0, s_t0, (int)t1, s_t1);
150	#endif
151
152	printf("Performing a login on line %s ", stripline);
153	#ifdef HAVE_TIME_H
154	(void)time(&logintime);
155	strlcpy(s_logintime, ctime(&logintime), sizeof(s_logintime));
156	printf("at %d - %s", (int)logintime, s_logintime);
157	#endif
158	printf("--\n");
159	login_login(li1);
160
161	snprintf(cmdstring, sizeof(cmdstring), "who \| grep '%s '",
162	stripline);
163	system(cmdstring);
164
165	printf("--\nPausing for %d second(s)...\n", PAUSE_BEFORE_LOGOUT);
166	sleep(PAUSE_BEFORE_LOGOUT);
167
168	printf("Performing a logout ");
169	#ifdef HAVE_TIME_H
170	(void)time(&logouttime);
171	strlcpy(s_logouttime, ctime(&logouttime), sizeof(s_logouttime));
172	printf("at %d - %s", (int)logouttime, s_logouttime);
173	#endif
174	printf("\nThe root login shown above should be gone.\n"
175	"If the root login hasn't gone, but another user on the same\n"
176	"pty has, this is OK - we're hacking it here, and there\n"
177	"shouldn't be two users on one pty in reality...\n"
178	"-- ('who' output follows)\n");
179	login_logout(li1);
180
181	system(cmdstring);
182	printf("-- ('who' output ends)\n");
183
184	#ifdef HAVE_TIME_H
185	t2 = login_get_lastlog_time(getuid());
186	strlcpy(s_t2, ctime(&t2), sizeof(s_t2));
187	printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2);
188	if (t1 == t2)
189	printf("The lastlog times before and after logging in are the "
190	"same.\nThis indicates that lastlog is ** NOT WORKING "
191	"CORRECTLY **\n");
192	else if (t0 != t2)
193	/* We can be off by a second or so, even when recording works fine.
194	* I'm not 100% sure why, but it's true. */
195	printf("** The login time and the lastlog time differ.\n"
196	"** This indicates that lastlog is either recording the "
197	"wrong time,\n** or retrieving the wrong entry.\n"
198	"If it's off by less than %d second(s) "
199	"run the test again.\n", PAUSE_BEFORE_LOGOUT);
200	else
201	printf("lastlog agrees with the login time. This is a good thing.\n");
202
203	#endif
204
205	printf("--\nThe output of 'last' shown next should have "
206	"an entry for root \n on %s for the time shown above:\n--\n",
207	stripline);
208	snprintf(cmdstring, sizeof(cmdstring), "last \| grep '%s ' \| head -3",
209	stripline);
210	system(cmdstring);
211
212	printf("--\nEnd of login test.\n");
213
214	login_free_entry(li1);
215
216	return 1;
217	} /* testAPI() */
218
219
220	void
221	testLineName(char *line)
222	{
223	/* have to null-terminate - these functions are designed for
224	* structures with fixed-length char arrays, and don't null-term.*/
225	char full[17], strip[9], abbrev[5];
226
227	memset(full, '\0', sizeof(full));
228	memset(strip, '\0', sizeof(strip));
229	memset(abbrev, '\0', sizeof(abbrev));
230
231	line_fullname(full, line, sizeof(full)-1);
232	line_stripname(strip, full, sizeof(strip)-1);
233	line_abbrevname(abbrev, full, sizeof(abbrev)-1);
234	printf("%s: %s, %s, %s\n", line, full, strip, abbrev);
235
236	} /* testLineName() */
237
238
239	int
240	testOutput()
241	{
242	printf("\n Testing linename functions\n**\n");
243	testLineName("/dev/pts/1");
244	testLineName("pts/1");
245	testLineName("pts/999");
246	testLineName("/dev/ttyp00");
247	testLineName("ttyp00");
248
249	return 1;
250	} /* testOutput() */
251
252
253	/* show which options got compiled in */
254	void
255	showOptions(void)
256	{
257	printf("\n Compile-time options\n**\n");
258
259	printf("login recording methods selected:\n");
260	#ifdef USE_LOGIN
261	printf("\tUSE_LOGIN\n");
262	#endif
263	#ifdef USE_UTMP
264	printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE);
265	#endif
266	#ifdef USE_UTMPX
267	printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE);
268	#endif
269	#ifdef USE_WTMP
270	printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE);
271	#endif
272	#ifdef USE_WTMPX
273	printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE);
274	#endif
275	#ifdef USE_LASTLOG
276	printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE);
277	#endif
278	printf("\n");
279
280	} /* showOptions() */
281
282
283	int
284	main(int argc, char *argv[])
285	{
286	printf("Platform-independent login recording test driver\n");
287
0fff78ff	288	__progname = ssh_get_progname(argv[0]);
3c0ef626	289	if (argc == 2) {
	290	if (strncmp(argv[1], "-i", 3) == 0)
	291	compile_opts_only = 1;
	292	else if (strncmp(argv[1], "-v", 3) == 0)
	293	be_verbose=1;
	294	}
	295
	296	if (!compile_opts_only) {
	297	if (be_verbose && !testOutput())
	298	return 1;
	299
	300	if (!testAPI())
	301	return 1;
	302	}
	303
	304	showOptions();
	305
	306	return 0;
	307	} /* main() */
	308