int
utmpx_get_entry(struct logininfo *li)
{
struct utmpx *utx;
if (setutxdb(UTXDB_LASTLOGIN, NULL) != 0)
return (0);
utx = getutxuser(li->username);
if (utx == NULL) {
endutxent();
return (0);
}
line_fullname(li->line, utx->ut_line,
MIN_SIZEOF(li->line, utx->ut_line));
strlcpy(li->hostname, utx->ut_host,
MIN_SIZEOF(li->hostname, utx->ut_host));
li->tv_sec = utx->ut_tv.tv_sec;
li->tv_usec = utx->ut_tv.tv_usec;
endutxent();
return (1);
}
void
enter_lastlog(PERSON *pn)
{
WHERE *w;
struct utmpx *ut = NULL;
char doit = 0;
if (setutxdb(UTXDB_LASTLOGIN, NULL) == 0)
ut = getutxuser(pn->name);
if ((w = pn->whead) == NULL)
doit = 1;
else if (ut != NULL && ut->ut_type == USER_PROCESS) {
/* if last login is earlier than some current login */
for (; !doit && w != NULL; w = w->next)
if (w->info == LOGGEDIN &&
w->loginat < ut->ut_tv.tv_sec)
doit = 1;
/*
* and if it's not any of the current logins
* can't use time comparison because there may be a small
* discrepancy since login calls time() twice
*/
for (w = pn->whead; doit && w != NULL; w = w->next)
if (w->info == LOGGEDIN &&
strcmp(w->tty, ut->ut_line) == 0)
doit = 0;
}
if (ut != NULL && doit) {
w = walloc(pn);
w->info = LASTLOG;
strcpy(w->tty, ut->ut_line);
strcpy(w->host, ut->ut_host);
w->loginat = ut->ut_tv.tv_sec;
}
endutxent();
}
int
main(int argc, char *argv[])
{
int ch, i, ulistsize;
struct utmpx *u, *ulist;
while ((ch = getopt(argc, argv, "f:rt")) != -1) {
switch (ch) {
case 'f':
file = optarg;
break;
case 'r':
order = -1;
break;
case 't':
utcmp = utcmp_time;
break;
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc > 0) {
/* Process usernames given on the command line. */
for (i = 0; i < argc; i++) {
if (setutxdb(UTXDB_LASTLOGIN, file) != 0)
err(1, "failed to open lastlog database");
if ((u = getutxuser(argv[i])) == NULL) {
warnx("user '%s' not found", argv[i]);
continue;
}
output(u);
endutxent();
}
} else {
/* Read all lastlog entries, looking for active ones. */
if (setutxdb(UTXDB_LASTLOGIN, file) != 0)
err(1, "failed to open lastlog database");
ulist = NULL;
ulistsize = 0;
while ((u = getutxent()) != NULL) {
if (u->ut_type != USER_PROCESS)
continue;
if ((ulistsize % 16) == 0) {
ulist = realloc(ulist,
(ulistsize + 16) * sizeof(struct utmpx));
if (ulist == NULL)
err(1, "malloc");
}
ulist[ulistsize++] = *u;
}
endutxent();
qsort(ulist, ulistsize, sizeof(struct utmpx), utcmp);
for (i = 0; i < ulistsize; i++)
output(&ulist[i]);
}
exit(0);
}
