18
19#include <sys/types.h>
20#include <sys/time.h>
21#include <err.h>
22#include <errno.h>
23#include <langinfo.h>
24#include <locale.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28#include <timeconv.h>
29#include <unistd.h>
30#include <utmpx.h>
31
32/*
33 * this is for our list of currently logged in sessions
34 */
35struct utmp_list {
36 struct utmp_list *next;
37 struct utmpx usr;
38};
39
40/*
41 * this is for our list of users that are accumulating time.
42 */
43struct user_list {
44 struct user_list *next;
45 char name[sizeof(((struct utmpx *)0)->ut_user)];
46 time_t secs;
47};
48
49/*
50 * this is for chosing whether to ignore a login
51 */
52struct tty_list {
53 struct tty_list *next;
54 char name[sizeof(((struct utmpx *)0)->ut_host) + 2];
55 size_t len;
56 int ret;
57};
58
59/*
60 * globals - yes yuk
61 */
62#ifdef CONSOLE_TTY
63static char *Console = CONSOLE_TTY;
64#endif
65static time_t Total = 0;
66static time_t FirstTime = 0;
67static int Flags = 0;
68static struct user_list *Users = NULL;
69static struct tty_list *Ttys = NULL;
70
71#define NEW(type) (type *)malloc(sizeof (type))
72
73#define AC_W 1 /* not _PATH_WTMP */
74#define AC_D 2 /* daily totals (ignore -p) */
75#define AC_P 4 /* per-user totals */
76#define AC_U 8 /* specified users only */
77#define AC_T 16 /* specified ttys only */
78
79#ifdef DEBUG
80static int Debug = 0;
81#endif
82
83int main(int, char **);
84int ac(const char *);
85struct tty_list *add_tty(char *);
86#ifdef DEBUG
87const char *debug_pfx(const struct utmpx *, const struct utmpx *);
88#endif
89int do_tty(char *);
90struct utmp_list *log_in(struct utmp_list *, struct utmpx *);
91struct utmp_list *log_out(struct utmp_list *, struct utmpx *);
92int on_console(struct utmp_list *);
93void show(const char *, time_t);
94void show_today(struct user_list *, struct utmp_list *,
95 time_t);
96void show_users(struct user_list *);
97struct user_list *update_user(struct user_list *, char *, time_t);
98void usage(void);
99
100struct tty_list *
101add_tty(char *name)
102{
103 struct tty_list *tp;
104 char *rcp;
105
106 Flags |= AC_T;
107
108 if ((tp = NEW(struct tty_list)) == NULL)
109 errx(1, "malloc failed");
110 tp->len = 0; /* full match */
111 tp->ret = 1; /* do if match */
112 if (*name == '!') { /* don't do if match */
113 tp->ret = 0;
114 name++;
115 }
116 strlcpy(tp->name, name, sizeof (tp->name));
117 if ((rcp = strchr(tp->name, '*')) != NULL) { /* wild card */
118 *rcp = '\0';
119 tp->len = strlen(tp->name); /* match len bytes only */
120 }
121 tp->next = Ttys;
122 Ttys = tp;
123 return Ttys;
124}
125
126/*
127 * should we process the named tty?
128 */
129int
130do_tty(char *name)
131{
132 struct tty_list *tp;
133 int def_ret = 0;
134
135 for (tp = Ttys; tp != NULL; tp = tp->next) {
136 if (tp->ret == 0) /* specific don't */
137 def_ret = 1; /* default do */
138 if (tp->len != 0) {
139 if (strncmp(name, tp->name, tp->len) == 0)
140 return tp->ret;
141 } else {
142 if (strncmp(name, tp->name, sizeof (tp->name)) == 0)
143 return tp->ret;
144 }
145 }
146 return def_ret;
147}
148
149#ifdef CONSOLE_TTY
150/*
151 * is someone logged in on Console?
152 */
153int
154on_console(struct utmp_list *head)
155{
156 struct utmp_list *up;
157
158 for (up = head; up; up = up->next) {
159 if (strcmp(up->usr.ut_line, Console) == 0)
160 return 1;
161 }
162 return 0;
163}
164#endif
165
166/*
167 * update user's login time
168 */
169struct user_list *
170update_user(struct user_list *head, char *name, time_t secs)
171{
172 struct user_list *up;
173
174 for (up = head; up != NULL; up = up->next) {
175 if (strcmp(up->name, name) == 0) {
176 up->secs += secs;
177 Total += secs;
178 return head;
179 }
180 }
181 /*
182 * not found so add new user unless specified users only
183 */
184 if (Flags & AC_U)
185 return head;
186
187 if ((up = NEW(struct user_list)) == NULL)
188 errx(1, "malloc failed");
189 up->next = head;
190 strlcpy(up->name, name, sizeof (up->name));
191 up->secs = secs;
192 Total += secs;
193 return up;
194}
195
196#ifdef DEBUG
197/*
198 * Create a string which is the standard prefix for a debug line. It
199 * includes a timestamp (perhaps with year), device-name, and user-name.
200 */
201const char *
202debug_pfx(const struct utmpx *event_up, const struct utmpx *userinf_up)
203{
204 static char str_result[40 + sizeof(userinf_up->ut_line) +
205 sizeof(userinf_up->ut_user)];
206 static char thisyear[5];
207 size_t maxcopy;
208 time_t ut_timecopy;
209
210 if (thisyear[0] == '\0') {
211 /* Figure out what "this year" is. */
212 time(&ut_timecopy);
213 strlcpy(str_result, ctime(&ut_timecopy), sizeof(str_result));
214 strlcpy(thisyear, &str_result[20], sizeof(thisyear));
215 }
216
217 if (event_up->ut_tv.tv_sec == 0)
218 strlcpy(str_result, "*ZeroTime* --:--:-- ", sizeof(str_result));
219 else {
220 ut_timecopy = event_up->ut_tv.tv_sec;
221 strlcpy(str_result, ctime(&ut_timecopy), sizeof(str_result));
222 /*
223 * Include the year, if it is not the same year as "now".
224 */
225 if (strncmp(&str_result[20], thisyear, 4) == 0)
226 str_result[20] = '\0';
227 else {
228 str_result[24] = ' '; /* Replace a '\n' */
229 str_result[25] = '\0';
230 }
231 }
232
233 if (userinf_up->ut_line[0] == '\0')
234 strlcat(str_result, "NoDev", sizeof(str_result));
235 else {
236 maxcopy = strlen(str_result) + sizeof(userinf_up->ut_line);
237 if (maxcopy > sizeof(str_result))
238 maxcopy = sizeof(str_result);
239 strlcat(str_result, userinf_up->ut_line, maxcopy);
240 }
241 strlcat(str_result, ": ", sizeof(str_result));
242
243 if (userinf_up->ut_user[0] == '\0')
244 strlcat(str_result, "LogOff", sizeof(str_result));
245 else {
246 maxcopy = strlen(str_result) + sizeof(userinf_up->ut_user);
247 if (maxcopy > sizeof(str_result))
248 maxcopy = sizeof(str_result);
249 strlcat(str_result, userinf_up->ut_user, maxcopy);
250 }
251
252 return (str_result);
253}
254#endif
255
256int
257main(int argc, char *argv[])
258{
259 const char *wtmpf = NULL;
260 int c;
261
262 (void) setlocale(LC_TIME, "");
263
264 while ((c = getopt(argc, argv, "Dc:dpt:w:")) != -1) {
265 switch (c) {
266#ifdef DEBUG
267 case 'D':
268 Debug++;
269 break;
270#endif
271 case 'c':
272#ifdef CONSOLE_TTY
273 Console = optarg;
274#else
275 usage(); /* XXX */
276#endif
277 break;
278 case 'd':
279 Flags |= AC_D;
280 break;
281 case 'p':
282 Flags |= AC_P;
283 break;
284 case 't': /* only do specified ttys */
285 add_tty(optarg);
286 break;
287 case 'w':
288 Flags |= AC_W;
289 wtmpf = optarg;
290 break;
291 case '?':
292 default:
293 usage();
294 break;
295 }
296 }
297 if (optind < argc) {
298 /*
299 * initialize user list
300 */
301 for (; optind < argc; optind++) {
302 Users = update_user(Users, argv[optind], (time_t)0);
303 }
304 Flags |= AC_U; /* freeze user list */
305 }
306 if (Flags & AC_D)
307 Flags &= ~AC_P;
308 ac(wtmpf);
309
310 return 0;
311}
312
313/*
314 * print login time in decimal hours
315 */
316void
317show(const char *name, time_t secs)
318{
319 (void)printf("\t%-*s %8.2f\n",
320 (int)sizeof(((struct utmpx *)0)->ut_user), name,
321 ((double)secs / 3600));
322}
323
324void
325show_users(struct user_list *list)
326{
327 struct user_list *lp;
328
329 for (lp = list; lp; lp = lp->next)
330 show(lp->name, lp->secs);
331}
332
333/*
334 * print total login time for 24hr period in decimal hours
335 */
336void
337show_today(struct user_list *users, struct utmp_list *logins, time_t secs)
338{
339 struct user_list *up;
340 struct utmp_list *lp;
341 char date[64];
342 time_t yesterday = secs - 1;
343 static int d_first = -1;
344
345 if (d_first < 0)
346 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
347 (void)strftime(date, sizeof (date),
348 d_first ? "%e %b total" : "%b %e total",
349 localtime(&yesterday));
350
351 /* restore the missing second */
352 yesterday++;
353
354 for (lp = logins; lp != NULL; lp = lp->next) {
355 secs = yesterday - lp->usr.ut_tv.tv_sec;
356 Users = update_user(Users, lp->usr.ut_user, secs);
357 lp->usr.ut_tv.tv_sec = yesterday; /* as if they just logged in */
358 }
359 secs = 0;
360 for (up = users; up != NULL; up = up->next) {
361 secs += up->secs;
362 up->secs = 0; /* for next day */
363 }
364 if (secs)
365 (void)printf("%s %11.2f\n", date, ((double)secs / 3600));
366}
367
368/*
369 * log a user out and update their times.
370 * if ut_line is "~", we log all users out as the system has
371 * been shut down.
372 */
373struct utmp_list *
374log_out(struct utmp_list *head, struct utmpx *up)
375{
376 struct utmp_list *lp, *lp2, *tlp;
377 time_t secs;
378
379 for (lp = head, lp2 = NULL; lp != NULL; )
380 if (up->ut_type == BOOT_TIME || up->ut_type == SHUTDOWN_TIME ||
381 (up->ut_type == DEAD_PROCESS &&
382 memcmp(lp->usr.ut_id, up->ut_id, sizeof up->ut_id) == 0)) {
383 secs = up->ut_tv.tv_sec - lp->usr.ut_tv.tv_sec;
384 Users = update_user(Users, lp->usr.ut_user, secs);
385#ifdef DEBUG
386 if (Debug)
387 printf("%s logged out (%2d:%02d:%02d)\n",
388 debug_pfx(up, &lp->usr), (int)(secs / 3600),
389 (int)((secs % 3600) / 60),
390 (int)(secs % 60));
391#endif
392 /*
393 * now lose it
394 */
395 tlp = lp;
396 lp = lp->next;
397 if (tlp == head)
398 head = lp;
399 else if (lp2 != NULL)
400 lp2->next = lp;
401 free(tlp);
402 } else {
403 lp2 = lp;
404 lp = lp->next;
405 }
406 return head;
407}
408
409
410/*
411 * if do_tty says ok, login a user
412 */
413struct utmp_list *
414log_in(struct utmp_list *head, struct utmpx *up)
415{
416 struct utmp_list *lp;
417
418 /*
419 * this could be a login. if we're not dealing with
420 * the console name, say it is.
421 *
422 * If we are, and if ut_host==":0.0" we know that it
423 * isn't a real login. _But_ if we have not yet recorded
424 * someone being logged in on Console - due to the wtmp
425 * file starting after they logged in, we'll pretend they
426 * logged in, at the start of the wtmp file.
427 */
428
429#ifdef CONSOLE_TTY
430 if (up->ut_host[0] == ':') {
431 /*
432 * SunOS 4.0.2 does not treat ":0.0" as special but we
433 * do.
434 */
435 if (on_console(head))
436 return head;
437 /*
438 * ok, no recorded login, so they were here when wtmp
439 * started! Adjust ut_time!
440 */
441 up->ut_time = FirstTime;
442 /*
443 * this allows us to pick the right logout
444 */
445 strlcpy(up->ut_line, Console, sizeof (up->ut_line));
446 }
447#endif
448 /*
449 * If we are doing specified ttys only, we ignore
450 * anything else.
451 */
452 if (Flags & AC_T)
453 if (!do_tty(up->ut_line))
454 return head;
455
456 /*
457 * go ahead and log them in
458 */
459 if ((lp = NEW(struct utmp_list)) == NULL)
460 errx(1, "malloc failed");
461 lp->next = head;
462 head = lp;
463 memmove(&lp->usr, up, sizeof *up);
464#ifdef DEBUG
465 if (Debug) {
466 printf("%s logged in", debug_pfx(&lp->usr, up));
467 if (*up->ut_host)
468 printf(" (%-.*s)", (int)sizeof(up->ut_host),
469 up->ut_host);
470 putchar('\n');
471 }
472#endif
473 return head;
474}
475
476int
477ac(const char *file)
478{
479 struct utmp_list *lp, *head = NULL;
480 struct utmpx *usr, usht;
481 struct tm *ltm;
482 time_t prev_secs, secs, ut_timecopy;
483 int day, rfound, tchanged, tskipped;
484
485 day = -1;
486 prev_secs = 1; /* Minimum acceptable date == 1970 */
487 rfound = tchanged = tskipped = 0;
488 secs = 0;
489 if (setutxdb(UTXDB_LOG, file) != 0)
490 err(1, "%s", file);
491 while ((usr = getutxent()) != NULL) {
492 rfound++;
493 ut_timecopy = usr->ut_tv.tv_sec;
494 /*
495 * With sparc64 using 64-bit time_t's, there is some system
496 * routine which sets ut_time==0 (the high-order word of a
497 * 64-bit time) instead of a 32-bit time value. For those
498 * wtmp files, it is "more-accurate" to substitute the most-
499 * recent time found, instead of throwing away the entire
500 * record. While it is still just a guess, it is a better
501 * guess than throwing away a log-off record and therefore
502 * counting a session as if it continued to the end of the
503 * month, or the next system-reboot.
504 */
505 if (ut_timecopy == 0 && prev_secs > 1) {
506#ifdef DEBUG
507 if (Debug)
508 printf("%s - date changed to: %s",
509 debug_pfx(usr, usr), ctime(&prev_secs));
510#endif
511 tchanged++;
512 usr->ut_tv.tv_sec = ut_timecopy = prev_secs;
513 }
514 /*
515 * Skip records where the time goes backwards.
516 */
517 if (ut_timecopy < prev_secs) {
518#ifdef DEBUG
519 if (Debug)
520 printf("%s - bad date, record skipped\n",
521 debug_pfx(usr, usr));
522#endif
523 tskipped++;
524 continue; /* Skip this invalid record. */
525 }
526 prev_secs = ut_timecopy;
527
528 if (!FirstTime)
529 FirstTime = ut_timecopy;
530 if (Flags & AC_D) {
531 ltm = localtime(&ut_timecopy);
532 if (day >= 0 && day != ltm->tm_yday) {
533 day = ltm->tm_yday;
534 /*
535 * print yesterday's total
536 */
537 secs = ut_timecopy;
538 secs -= ltm->tm_sec;
539 secs -= 60 * ltm->tm_min;
540 secs -= 3600 * ltm->tm_hour;
541 show_today(Users, head, secs);
542 } else
543 day = ltm->tm_yday;
544 }
545 switch(usr->ut_type) {
546 case OLD_TIME:
547 secs = ut_timecopy;
548 break;
549 case NEW_TIME:
550 secs -= ut_timecopy;
551 /*
552 * adjust time for those logged in
553 */
554 for (lp = head; lp != NULL; lp = lp->next)
555 lp->usr.ut_tv.tv_sec -= secs;
556 break;
557 case BOOT_TIME:
558 case SHUTDOWN_TIME:
559 head = log_out(head, usr);
560 FirstTime = ut_timecopy; /* shouldn't be needed */
561 break;
562 case USER_PROCESS:
563 /*
564 * if they came in on tty[p-sP-S]*, then it is only
565 * a login session if the ut_host field is non-empty
566 */
567 if (strncmp(usr->ut_line, "tty", 3) != 0 ||
568 strchr("pqrsPQRS", usr->ut_line[3]) == NULL ||
569 *usr->ut_host != '\0')
570 head = log_in(head, usr);
571#ifdef DEBUG
572 else if (Debug > 1)
573 /* Things such as 'screen' sessions. */
574 printf("%s - record ignored\n",
575 debug_pfx(usr, usr));
576#endif
577 break;
578 case DEAD_PROCESS:
579 head = log_out(head, usr);
580 break;
581 }
582 }
583 endutxent();
584 if (!(Flags & AC_W))
585 usht.ut_tv.tv_sec = time(NULL);
586 else
| 18
19#include <sys/types.h>
20#include <sys/time.h>
21#include <err.h>
22#include <errno.h>
23#include <langinfo.h>
24#include <locale.h>
25#include <stdio.h>
26#include <stdlib.h>
27#include <string.h>
28#include <timeconv.h>
29#include <unistd.h>
30#include <utmpx.h>
31
32/*
33 * this is for our list of currently logged in sessions
34 */
35struct utmp_list {
36 struct utmp_list *next;
37 struct utmpx usr;
38};
39
40/*
41 * this is for our list of users that are accumulating time.
42 */
43struct user_list {
44 struct user_list *next;
45 char name[sizeof(((struct utmpx *)0)->ut_user)];
46 time_t secs;
47};
48
49/*
50 * this is for chosing whether to ignore a login
51 */
52struct tty_list {
53 struct tty_list *next;
54 char name[sizeof(((struct utmpx *)0)->ut_host) + 2];
55 size_t len;
56 int ret;
57};
58
59/*
60 * globals - yes yuk
61 */
62#ifdef CONSOLE_TTY
63static char *Console = CONSOLE_TTY;
64#endif
65static time_t Total = 0;
66static time_t FirstTime = 0;
67static int Flags = 0;
68static struct user_list *Users = NULL;
69static struct tty_list *Ttys = NULL;
70
71#define NEW(type) (type *)malloc(sizeof (type))
72
73#define AC_W 1 /* not _PATH_WTMP */
74#define AC_D 2 /* daily totals (ignore -p) */
75#define AC_P 4 /* per-user totals */
76#define AC_U 8 /* specified users only */
77#define AC_T 16 /* specified ttys only */
78
79#ifdef DEBUG
80static int Debug = 0;
81#endif
82
83int main(int, char **);
84int ac(const char *);
85struct tty_list *add_tty(char *);
86#ifdef DEBUG
87const char *debug_pfx(const struct utmpx *, const struct utmpx *);
88#endif
89int do_tty(char *);
90struct utmp_list *log_in(struct utmp_list *, struct utmpx *);
91struct utmp_list *log_out(struct utmp_list *, struct utmpx *);
92int on_console(struct utmp_list *);
93void show(const char *, time_t);
94void show_today(struct user_list *, struct utmp_list *,
95 time_t);
96void show_users(struct user_list *);
97struct user_list *update_user(struct user_list *, char *, time_t);
98void usage(void);
99
100struct tty_list *
101add_tty(char *name)
102{
103 struct tty_list *tp;
104 char *rcp;
105
106 Flags |= AC_T;
107
108 if ((tp = NEW(struct tty_list)) == NULL)
109 errx(1, "malloc failed");
110 tp->len = 0; /* full match */
111 tp->ret = 1; /* do if match */
112 if (*name == '!') { /* don't do if match */
113 tp->ret = 0;
114 name++;
115 }
116 strlcpy(tp->name, name, sizeof (tp->name));
117 if ((rcp = strchr(tp->name, '*')) != NULL) { /* wild card */
118 *rcp = '\0';
119 tp->len = strlen(tp->name); /* match len bytes only */
120 }
121 tp->next = Ttys;
122 Ttys = tp;
123 return Ttys;
124}
125
126/*
127 * should we process the named tty?
128 */
129int
130do_tty(char *name)
131{
132 struct tty_list *tp;
133 int def_ret = 0;
134
135 for (tp = Ttys; tp != NULL; tp = tp->next) {
136 if (tp->ret == 0) /* specific don't */
137 def_ret = 1; /* default do */
138 if (tp->len != 0) {
139 if (strncmp(name, tp->name, tp->len) == 0)
140 return tp->ret;
141 } else {
142 if (strncmp(name, tp->name, sizeof (tp->name)) == 0)
143 return tp->ret;
144 }
145 }
146 return def_ret;
147}
148
149#ifdef CONSOLE_TTY
150/*
151 * is someone logged in on Console?
152 */
153int
154on_console(struct utmp_list *head)
155{
156 struct utmp_list *up;
157
158 for (up = head; up; up = up->next) {
159 if (strcmp(up->usr.ut_line, Console) == 0)
160 return 1;
161 }
162 return 0;
163}
164#endif
165
166/*
167 * update user's login time
168 */
169struct user_list *
170update_user(struct user_list *head, char *name, time_t secs)
171{
172 struct user_list *up;
173
174 for (up = head; up != NULL; up = up->next) {
175 if (strcmp(up->name, name) == 0) {
176 up->secs += secs;
177 Total += secs;
178 return head;
179 }
180 }
181 /*
182 * not found so add new user unless specified users only
183 */
184 if (Flags & AC_U)
185 return head;
186
187 if ((up = NEW(struct user_list)) == NULL)
188 errx(1, "malloc failed");
189 up->next = head;
190 strlcpy(up->name, name, sizeof (up->name));
191 up->secs = secs;
192 Total += secs;
193 return up;
194}
195
196#ifdef DEBUG
197/*
198 * Create a string which is the standard prefix for a debug line. It
199 * includes a timestamp (perhaps with year), device-name, and user-name.
200 */
201const char *
202debug_pfx(const struct utmpx *event_up, const struct utmpx *userinf_up)
203{
204 static char str_result[40 + sizeof(userinf_up->ut_line) +
205 sizeof(userinf_up->ut_user)];
206 static char thisyear[5];
207 size_t maxcopy;
208 time_t ut_timecopy;
209
210 if (thisyear[0] == '\0') {
211 /* Figure out what "this year" is. */
212 time(&ut_timecopy);
213 strlcpy(str_result, ctime(&ut_timecopy), sizeof(str_result));
214 strlcpy(thisyear, &str_result[20], sizeof(thisyear));
215 }
216
217 if (event_up->ut_tv.tv_sec == 0)
218 strlcpy(str_result, "*ZeroTime* --:--:-- ", sizeof(str_result));
219 else {
220 ut_timecopy = event_up->ut_tv.tv_sec;
221 strlcpy(str_result, ctime(&ut_timecopy), sizeof(str_result));
222 /*
223 * Include the year, if it is not the same year as "now".
224 */
225 if (strncmp(&str_result[20], thisyear, 4) == 0)
226 str_result[20] = '\0';
227 else {
228 str_result[24] = ' '; /* Replace a '\n' */
229 str_result[25] = '\0';
230 }
231 }
232
233 if (userinf_up->ut_line[0] == '\0')
234 strlcat(str_result, "NoDev", sizeof(str_result));
235 else {
236 maxcopy = strlen(str_result) + sizeof(userinf_up->ut_line);
237 if (maxcopy > sizeof(str_result))
238 maxcopy = sizeof(str_result);
239 strlcat(str_result, userinf_up->ut_line, maxcopy);
240 }
241 strlcat(str_result, ": ", sizeof(str_result));
242
243 if (userinf_up->ut_user[0] == '\0')
244 strlcat(str_result, "LogOff", sizeof(str_result));
245 else {
246 maxcopy = strlen(str_result) + sizeof(userinf_up->ut_user);
247 if (maxcopy > sizeof(str_result))
248 maxcopy = sizeof(str_result);
249 strlcat(str_result, userinf_up->ut_user, maxcopy);
250 }
251
252 return (str_result);
253}
254#endif
255
256int
257main(int argc, char *argv[])
258{
259 const char *wtmpf = NULL;
260 int c;
261
262 (void) setlocale(LC_TIME, "");
263
264 while ((c = getopt(argc, argv, "Dc:dpt:w:")) != -1) {
265 switch (c) {
266#ifdef DEBUG
267 case 'D':
268 Debug++;
269 break;
270#endif
271 case 'c':
272#ifdef CONSOLE_TTY
273 Console = optarg;
274#else
275 usage(); /* XXX */
276#endif
277 break;
278 case 'd':
279 Flags |= AC_D;
280 break;
281 case 'p':
282 Flags |= AC_P;
283 break;
284 case 't': /* only do specified ttys */
285 add_tty(optarg);
286 break;
287 case 'w':
288 Flags |= AC_W;
289 wtmpf = optarg;
290 break;
291 case '?':
292 default:
293 usage();
294 break;
295 }
296 }
297 if (optind < argc) {
298 /*
299 * initialize user list
300 */
301 for (; optind < argc; optind++) {
302 Users = update_user(Users, argv[optind], (time_t)0);
303 }
304 Flags |= AC_U; /* freeze user list */
305 }
306 if (Flags & AC_D)
307 Flags &= ~AC_P;
308 ac(wtmpf);
309
310 return 0;
311}
312
313/*
314 * print login time in decimal hours
315 */
316void
317show(const char *name, time_t secs)
318{
319 (void)printf("\t%-*s %8.2f\n",
320 (int)sizeof(((struct utmpx *)0)->ut_user), name,
321 ((double)secs / 3600));
322}
323
324void
325show_users(struct user_list *list)
326{
327 struct user_list *lp;
328
329 for (lp = list; lp; lp = lp->next)
330 show(lp->name, lp->secs);
331}
332
333/*
334 * print total login time for 24hr period in decimal hours
335 */
336void
337show_today(struct user_list *users, struct utmp_list *logins, time_t secs)
338{
339 struct user_list *up;
340 struct utmp_list *lp;
341 char date[64];
342 time_t yesterday = secs - 1;
343 static int d_first = -1;
344
345 if (d_first < 0)
346 d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
347 (void)strftime(date, sizeof (date),
348 d_first ? "%e %b total" : "%b %e total",
349 localtime(&yesterday));
350
351 /* restore the missing second */
352 yesterday++;
353
354 for (lp = logins; lp != NULL; lp = lp->next) {
355 secs = yesterday - lp->usr.ut_tv.tv_sec;
356 Users = update_user(Users, lp->usr.ut_user, secs);
357 lp->usr.ut_tv.tv_sec = yesterday; /* as if they just logged in */
358 }
359 secs = 0;
360 for (up = users; up != NULL; up = up->next) {
361 secs += up->secs;
362 up->secs = 0; /* for next day */
363 }
364 if (secs)
365 (void)printf("%s %11.2f\n", date, ((double)secs / 3600));
366}
367
368/*
369 * log a user out and update their times.
370 * if ut_line is "~", we log all users out as the system has
371 * been shut down.
372 */
373struct utmp_list *
374log_out(struct utmp_list *head, struct utmpx *up)
375{
376 struct utmp_list *lp, *lp2, *tlp;
377 time_t secs;
378
379 for (lp = head, lp2 = NULL; lp != NULL; )
380 if (up->ut_type == BOOT_TIME || up->ut_type == SHUTDOWN_TIME ||
381 (up->ut_type == DEAD_PROCESS &&
382 memcmp(lp->usr.ut_id, up->ut_id, sizeof up->ut_id) == 0)) {
383 secs = up->ut_tv.tv_sec - lp->usr.ut_tv.tv_sec;
384 Users = update_user(Users, lp->usr.ut_user, secs);
385#ifdef DEBUG
386 if (Debug)
387 printf("%s logged out (%2d:%02d:%02d)\n",
388 debug_pfx(up, &lp->usr), (int)(secs / 3600),
389 (int)((secs % 3600) / 60),
390 (int)(secs % 60));
391#endif
392 /*
393 * now lose it
394 */
395 tlp = lp;
396 lp = lp->next;
397 if (tlp == head)
398 head = lp;
399 else if (lp2 != NULL)
400 lp2->next = lp;
401 free(tlp);
402 } else {
403 lp2 = lp;
404 lp = lp->next;
405 }
406 return head;
407}
408
409
410/*
411 * if do_tty says ok, login a user
412 */
413struct utmp_list *
414log_in(struct utmp_list *head, struct utmpx *up)
415{
416 struct utmp_list *lp;
417
418 /*
419 * this could be a login. if we're not dealing with
420 * the console name, say it is.
421 *
422 * If we are, and if ut_host==":0.0" we know that it
423 * isn't a real login. _But_ if we have not yet recorded
424 * someone being logged in on Console - due to the wtmp
425 * file starting after they logged in, we'll pretend they
426 * logged in, at the start of the wtmp file.
427 */
428
429#ifdef CONSOLE_TTY
430 if (up->ut_host[0] == ':') {
431 /*
432 * SunOS 4.0.2 does not treat ":0.0" as special but we
433 * do.
434 */
435 if (on_console(head))
436 return head;
437 /*
438 * ok, no recorded login, so they were here when wtmp
439 * started! Adjust ut_time!
440 */
441 up->ut_time = FirstTime;
442 /*
443 * this allows us to pick the right logout
444 */
445 strlcpy(up->ut_line, Console, sizeof (up->ut_line));
446 }
447#endif
448 /*
449 * If we are doing specified ttys only, we ignore
450 * anything else.
451 */
452 if (Flags & AC_T)
453 if (!do_tty(up->ut_line))
454 return head;
455
456 /*
457 * go ahead and log them in
458 */
459 if ((lp = NEW(struct utmp_list)) == NULL)
460 errx(1, "malloc failed");
461 lp->next = head;
462 head = lp;
463 memmove(&lp->usr, up, sizeof *up);
464#ifdef DEBUG
465 if (Debug) {
466 printf("%s logged in", debug_pfx(&lp->usr, up));
467 if (*up->ut_host)
468 printf(" (%-.*s)", (int)sizeof(up->ut_host),
469 up->ut_host);
470 putchar('\n');
471 }
472#endif
473 return head;
474}
475
476int
477ac(const char *file)
478{
479 struct utmp_list *lp, *head = NULL;
480 struct utmpx *usr, usht;
481 struct tm *ltm;
482 time_t prev_secs, secs, ut_timecopy;
483 int day, rfound, tchanged, tskipped;
484
485 day = -1;
486 prev_secs = 1; /* Minimum acceptable date == 1970 */
487 rfound = tchanged = tskipped = 0;
488 secs = 0;
489 if (setutxdb(UTXDB_LOG, file) != 0)
490 err(1, "%s", file);
491 while ((usr = getutxent()) != NULL) {
492 rfound++;
493 ut_timecopy = usr->ut_tv.tv_sec;
494 /*
495 * With sparc64 using 64-bit time_t's, there is some system
496 * routine which sets ut_time==0 (the high-order word of a
497 * 64-bit time) instead of a 32-bit time value. For those
498 * wtmp files, it is "more-accurate" to substitute the most-
499 * recent time found, instead of throwing away the entire
500 * record. While it is still just a guess, it is a better
501 * guess than throwing away a log-off record and therefore
502 * counting a session as if it continued to the end of the
503 * month, or the next system-reboot.
504 */
505 if (ut_timecopy == 0 && prev_secs > 1) {
506#ifdef DEBUG
507 if (Debug)
508 printf("%s - date changed to: %s",
509 debug_pfx(usr, usr), ctime(&prev_secs));
510#endif
511 tchanged++;
512 usr->ut_tv.tv_sec = ut_timecopy = prev_secs;
513 }
514 /*
515 * Skip records where the time goes backwards.
516 */
517 if (ut_timecopy < prev_secs) {
518#ifdef DEBUG
519 if (Debug)
520 printf("%s - bad date, record skipped\n",
521 debug_pfx(usr, usr));
522#endif
523 tskipped++;
524 continue; /* Skip this invalid record. */
525 }
526 prev_secs = ut_timecopy;
527
528 if (!FirstTime)
529 FirstTime = ut_timecopy;
530 if (Flags & AC_D) {
531 ltm = localtime(&ut_timecopy);
532 if (day >= 0 && day != ltm->tm_yday) {
533 day = ltm->tm_yday;
534 /*
535 * print yesterday's total
536 */
537 secs = ut_timecopy;
538 secs -= ltm->tm_sec;
539 secs -= 60 * ltm->tm_min;
540 secs -= 3600 * ltm->tm_hour;
541 show_today(Users, head, secs);
542 } else
543 day = ltm->tm_yday;
544 }
545 switch(usr->ut_type) {
546 case OLD_TIME:
547 secs = ut_timecopy;
548 break;
549 case NEW_TIME:
550 secs -= ut_timecopy;
551 /*
552 * adjust time for those logged in
553 */
554 for (lp = head; lp != NULL; lp = lp->next)
555 lp->usr.ut_tv.tv_sec -= secs;
556 break;
557 case BOOT_TIME:
558 case SHUTDOWN_TIME:
559 head = log_out(head, usr);
560 FirstTime = ut_timecopy; /* shouldn't be needed */
561 break;
562 case USER_PROCESS:
563 /*
564 * if they came in on tty[p-sP-S]*, then it is only
565 * a login session if the ut_host field is non-empty
566 */
567 if (strncmp(usr->ut_line, "tty", 3) != 0 ||
568 strchr("pqrsPQRS", usr->ut_line[3]) == NULL ||
569 *usr->ut_host != '\0')
570 head = log_in(head, usr);
571#ifdef DEBUG
572 else if (Debug > 1)
573 /* Things such as 'screen' sessions. */
574 printf("%s - record ignored\n",
575 debug_pfx(usr, usr));
576#endif
577 break;
578 case DEAD_PROCESS:
579 head = log_out(head, usr);
580 break;
581 }
582 }
583 endutxent();
584 if (!(Flags & AC_W))
585 usht.ut_tv.tv_sec = time(NULL);
586 else
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