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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 "config.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 | ||
54 | int nologtest = 0; | |
55 | int compile_opts_only = 0; | |
56 | int be_verbose = 0; | |
57 | ||
58 | ||
59 | #define DOTQUAD_MAXSIZE 17 | |
60 | void dump_dotquad(char *s, struct in_addr *sin4) { | |
61 | unsigned int addr; | |
62 | ||
63 | addr = ntohl(sin4->s_addr); | |
64 | snprintf(s, DOTQUAD_MAXSIZE, "%d.%d.%d.%d", | |
65 | (addr >> 24)& 0xff, (addr >>16) & 0xff, | |
66 | (addr >>8) & 0xff, addr & 0xff ); | |
67 | } /* dump_dotquad */ | |
68 | ||
69 | ||
70 | /* Dump a logininfo to stdout. Assumes a tab size of 8 chars. */ | |
71 | void dump_logininfo(struct logininfo *li, char *descname) { | |
72 | char a4[DOTQUAD_MAXSIZE]; | |
73 | ||
74 | dump_dotquad(a4, &(li->hostaddr.sa_in4.sin_addr)); | |
75 | ||
76 | /* yes I know how nasty this is */ | |
77 | printf("struct logininfo %s = {\n\t" | |
78 | "progname\t'%s'\n\ttype\t\t%d\n\t" | |
79 | "pid\t\t%d\n\tuid\t\t%d\n\t" | |
80 | "line\t\t'%s'\n\tusername\t'%s'\n\t" | |
81 | "hostname\t'%s'\n\texit\t\t%d\n\ttermination\t%d\n\t" | |
82 | "tv_sec\t%d\n\ttv_usec\t%d\n\t" | |
83 | "struct login_netinfo hostaddr {\n\t\t" | |
84 | "struct sockaddr_in sa_in4 {\n" | |
85 | "\t\t\tsin_port\t%d\n\t\t\t*sin_addr\t%d(%s)\n\t\t}\n" | |
86 | "\t\t** !!! IP6 stuff not supported yet **\n" | |
87 | "\t}\n" | |
88 | "}\n", | |
89 | descname, li->progname, li->type, | |
90 | li->pid, li->uid, li->line, | |
91 | li->username, li->hostname, li->exit, | |
92 | li->termination, li->tv_sec, li->tv_usec, | |
93 | ntohs(li->hostaddr.sa_in4.sin_port), | |
94 | ntohl(li->hostaddr.sa_in4.sin_addr.s_addr), a4); | |
95 | /* FIXME: (ATL) print sockaddr_in6 stuff */ | |
96 | } | |
97 | ||
98 | ||
99 | int testAPI() { | |
100 | struct logininfo *li1; | |
101 | struct passwd *pw; | |
102 | struct hostent *he; | |
103 | struct sockaddr_in sa_in4; | |
104 | char cmdstring[256], stripline[8]; | |
105 | char username[32]; | |
106 | #ifdef HAVE_TIME_H | |
107 | time_t t0, t1, t2; | |
108 | char s_t0[64],s_t1[64],s_t2[64]; /* ctime() strings */ | |
109 | #endif | |
110 | ||
111 | printf("**\n** Testing the API...\n**\n"); | |
112 | ||
113 | pw = getpwuid(getuid()); | |
114 | strlcpy(username, pw->pw_name, sizeof(username)); | |
115 | ||
116 | /* gethostname(hostname, sizeof(hostname)); */ | |
117 | ||
118 | printf("login_alloc_entry test (no host info):\n"); | |
119 | /* !!! fake tty more effectively */ | |
120 | li1 = login_alloc_entry((int)getpid(), username, NULL, ttyname(0)); | |
121 | login_set_progname(li1, "testlogin"); | |
122 | ||
123 | if (be_verbose) | |
124 | dump_logininfo(li1, "li1"); | |
125 | ||
126 | printf("Setting IPv4 host info for 'localhost' (may call out):\n"); | |
127 | if (! (he = gethostbyname("localhost"))) { | |
128 | printf("Couldn't set hostname(lookup failed)\n"); | |
129 | } else { | |
130 | /* NOTE: this is messy, but typically a program wouldn't have to set | |
131 | * any of this, a sockaddr_in* would be already prepared */ | |
132 | memcpy((void *)&(sa_in4.sin_addr), (void *)&(he->h_addr_list[0][0]), | |
133 | sizeof(struct in_addr)); | |
134 | login_set_ip4(li1, &sa_in4); | |
135 | login_set_hostname(li1, "localhost"); | |
136 | } | |
137 | if (be_verbose) | |
138 | dump_logininfo(li1, "li1"); | |
139 | ||
140 | if ((int)geteuid() != 0) { | |
141 | printf("NOT RUNNING LOGIN TESTS - you are not root!\n"); | |
142 | return 1; /* this isn't necessarily an error */ | |
143 | } | |
144 | ||
145 | if (nologtest) | |
146 | return 1; | |
147 | ||
148 | line_stripname(stripline, li1->line, sizeof(stripline)); | |
149 | ||
150 | printf("Performing an invalid login attempt (no type field)\n--\n"); | |
151 | login_write(li1); | |
152 | printf("--\n(Should have written an error to stderr)\n"); | |
153 | ||
154 | #ifdef HAVE_TIME_H | |
155 | (void)time(&t0); | |
156 | strlcpy(s_t0, ctime(&t0), sizeof(s_t0)); | |
157 | t1 = login_getlasttime_uid(getuid()); | |
158 | strlcpy(s_t1, ctime(&t1), sizeof(s_t1)); | |
159 | printf("Before logging in:\n\tcurrent time is %d - %s\t" | |
160 | "lastlog time is %d - %s\n", | |
161 | (int)t0, s_t0, (int)t1, s_t1); | |
162 | #endif | |
163 | ||
164 | printf("Performing a login on line %s...\n--\n", stripline); | |
165 | login_login(li1); | |
166 | ||
167 | snprintf(cmdstring, sizeof(cmdstring), "who | grep '%s '", | |
168 | stripline); | |
169 | system(cmdstring); | |
170 | ||
171 | printf("--\nWaiting for a few seconds...\n"); | |
172 | sleep(2); | |
173 | ||
174 | printf("Performing a logout (the root login " | |
175 | "shown above should be gone)\n" | |
176 | "If the root login hasn't gone, but another user on the same\n" | |
177 | "pty has, this is OK - we're hacking it here, and there\n" | |
178 | "shouldn't be two users on one pty in reality...\n" | |
179 | "-- ('who' output follows)\n"); | |
180 | login_logout(li1); | |
181 | ||
182 | system(cmdstring); | |
183 | printf("-- ('who' output ends)\n"); | |
184 | ||
185 | #ifdef HAVE_TIME_H | |
186 | t2 = login_getlasttime_uid(getuid()); | |
187 | strlcpy(s_t2, ctime(&t2), sizeof(s_t2)); | |
188 | printf("After logging in, lastlog time is %d - %s\n", (int)t2, s_t2); | |
189 | if (t1 == t2) | |
190 | printf("The lastlog times before and after logging in are the " | |
191 | "same.\nThis indicates that lastlog is ** NOT WORKING " | |
192 | "CORRECTLY **\n"); | |
193 | else if (t0 != t2) | |
194 | printf("** The login time and the lastlog time differ.\n" | |
195 | "** This indicates that lastlog is either recording the " | |
196 | "wrong time,\n** or retrieving the wrong entry.\n"); | |
197 | else | |
198 | printf("lastlog agrees with the login time. This is a good thing.\n"); | |
199 | ||
200 | #endif | |
201 | ||
202 | printf("--\nThe output of 'last' shown next should have " | |
203 | "an entry for root \n on %s for the time shown above:\n--\n", | |
204 | stripline); | |
205 | snprintf(cmdstring, sizeof(cmdstring), "last | grep '%s ' | head -3", | |
206 | stripline); | |
207 | system(cmdstring); | |
208 | ||
209 | printf("--\nEnd of login test.\n"); | |
210 | ||
211 | login_free_entry(li1); | |
212 | ||
213 | return 1; | |
214 | } /* testAPI() */ | |
215 | ||
216 | ||
217 | void testLineName(char *line) { | |
218 | /* have to null-terminate - these functions are designed for | |
219 | * structures with fixed-length char arrays, and don't null-term.*/ | |
220 | char full[17], strip[9], abbrev[5]; | |
221 | ||
222 | memset(full, '\0', sizeof(full)); | |
223 | memset(strip, '\0', sizeof(strip)); | |
224 | memset(abbrev, '\0', sizeof(abbrev)); | |
225 | ||
226 | line_fullname(full, line, sizeof(full)-1); | |
227 | line_stripname(strip, full, sizeof(strip)-1); | |
228 | line_abbrevname(abbrev, full, sizeof(abbrev)-1); | |
229 | printf("%s: %s, %s, %s\n", line, full, strip, abbrev); | |
230 | ||
231 | } /* testLineName() */ | |
232 | ||
233 | ||
234 | int testOutput() { | |
235 | printf("**\n** Testing linename functions\n**\n"); | |
236 | testLineName("/dev/pts/1"); | |
237 | testLineName("pts/1"); | |
238 | testLineName("pts/999"); | |
239 | testLineName("/dev/ttyp00"); | |
240 | testLineName("ttyp00"); | |
241 | ||
242 | return 1; | |
243 | } /* testOutput() */ | |
244 | ||
245 | ||
246 | /* show which options got compiled in */ | |
247 | void showOptions(void) { | |
248 | ||
249 | printf("**\n** Compile-time options\n**\n"); | |
250 | ||
251 | printf("login recording methods selected:\n"); | |
252 | #ifdef USE_LOGIN | |
253 | printf("\tUSE_LOGIN\n"); | |
254 | #endif | |
255 | #ifdef USE_UTMP | |
256 | printf("\tUSE_UTMP (UTMP_FILE=%s)\n", UTMP_FILE); | |
257 | #endif | |
258 | #ifdef USE_UTMPX | |
259 | printf("\tUSE_UTMPX (UTMPX_FILE=%s)\n", UTMPX_FILE); | |
260 | #endif | |
261 | #ifdef USE_WTMP | |
262 | printf("\tUSE_WTMP (WTMP_FILE=%s)\n", WTMP_FILE); | |
263 | #endif | |
264 | #ifdef USE_WTMPX | |
265 | printf("\tUSE_WTMPX (WTMPX_FILE=%s)\n", WTMPX_FILE); | |
266 | #endif | |
267 | #ifdef USE_LASTLOG | |
268 | printf("\tUSE_LASTLOG (LASTLOG_FILE=%s)\n", LASTLOG_FILE); | |
269 | #endif | |
270 | printf("\n"); | |
271 | ||
272 | printf("IP6 support: %s\n", | |
273 | #ifdef HAVE_IP6 | |
274 | "enabled" | |
275 | #else | |
276 | "disabled" | |
277 | #endif | |
278 | ); | |
279 | ||
280 | ||
281 | } /* showOptions() */ | |
282 | ||
283 | ||
284 | int main(int argc, char *argv[]) { | |
285 | ||
286 | printf("Platform-independent login recording test driver"); | |
287 | ||
288 | if (argc == 2) { | |
289 | if (strncmp(argv[1], "-i", 3) == 0) | |
290 | compile_opts_only = 1; | |
291 | else if (strncmp(argv[1], "-v", 3) == 0) | |
292 | be_verbose=1; | |
293 | } | |
294 | ||
295 | if (!compile_opts_only) { | |
296 | if (be_verbose && !testOutput()) | |
297 | return 1; | |
298 | ||
299 | if (!testAPI()) | |
300 | return 1; | |
301 | } | |
302 | ||
303 | showOptions(); | |
304 | ||
305 | return 0; | |
306 | } /* main() */ | |
307 |