int
main(int argc, char *argv[])
{
int ch;
struct dirent *dp;
int width;
ssize_t cc;
register struct whod *w = &wd;
register struct whoent *we;
register struct myutmp *mp;
int f, n, i;
int d_first;
(void) setlocale(LC_TIME, "");
d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
while ((ch = getopt(argc, argv, "a")) != -1)
switch((char)ch) {
case 'a':
aflg = 1;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (chdir(_PATH_RWHODIR) || (dirp = opendir(".")) == NULL)
err(1, "%s", _PATH_RWHODIR);
mp = myutmp;
(void)time(&now);
while ((dp = readdir(dirp))) {
if (dp->d_ino == 0 || strncmp(dp->d_name, "whod.", 5))
continue;
f = open(dp->d_name, O_RDONLY);
if (f < 0)
continue;
cc = read(f, (char *)&wd, sizeof (struct whod));
if (cc < WHDRSIZE) {
(void) close(f);
continue;
}
if (down(w,now)) {
(void) close(f);
continue;
}
cc -= WHDRSIZE;
we = w->wd_we;
for (n = cc / sizeof (struct whoent); n > 0; n--) {
if (aflg == 0 && we->we_idle >= 60*60) {
we++;
continue;
}
if (nusers >= NUSERS)
errx(1, "too many users");
mp->myutmp = we->we_utmp; mp->myidle = we->we_idle;
(void) strcpy(mp->myhost, w->wd_hostname);
nusers++; we++; mp++;
}
(void) close(f);
}
qsort((char *)myutmp, nusers, sizeof (struct myutmp), utmpcmp);
mp = myutmp;
width = 0;
for (i = 0; i < nusers; i++) {
/* append one for the blank and use 8 for the out_line */
int j = strlen(mp->myhost) + 1 + sizeof(mp->myutmp.out_line);
if (j > width)
width = j;
mp++;
}
mp = myutmp;
for (i = 0; i < nusers; i++) {
char buf[BUFSIZ], cbuf[80];
time_t t = _int_to_time(mp->myutmp.out_time);
strftime(cbuf, sizeof(cbuf),
d_first ? "%e %b %R" : "%b %e %R",
localtime(&t));
(void)sprintf(buf, "%s:%-.*s", mp->myhost,
(int)sizeof(mp->myutmp.out_line), mp->myutmp.out_line);
printf("%-*.*s %-*s %s",
(int)sizeof(mp->myutmp.out_name),
(int)sizeof(mp->myutmp.out_name),
mp->myutmp.out_name,
width,
buf,
cbuf);
mp->myidle /= 60;
if (mp->myidle) {
if (aflg) {
if (mp->myidle >= 100*60)
mp->myidle = 100*60 - 1;
if (mp->myidle >= 60)
printf(" %2d", mp->myidle / 60);
else
printf(" ");
} else
printf(" ");
printf(":%02d", mp->myidle % 60);
}
printf("\n");
mp++;
}
exit(0);
}
int
main(int argc, char *argv[])
{
int ch;
struct dirent *dp;
int width;
ssize_t cc;
struct whod *w;
struct whoent *we;
struct myutmp *mp;
cap_rights_t rights;
int f, n, i;
int d_first;
int dfd;
time_t ct;
w = &wd;
(void) setlocale(LC_TIME, "");
d_first = (*nl_langinfo(D_MD_ORDER) == 'd');
while ((ch = getopt(argc, argv, "a")) != -1) {
switch ((char)ch) {
case 'a':
aflg = 1;
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc != 0)
usage();
if (chdir(_PATH_RWHODIR) < 0)
err(1, "chdir(%s)", _PATH_RWHODIR);
if ((dirp = opendir(".")) == NULL)
err(1, "opendir(%s)", _PATH_RWHODIR);
dfd = dirfd(dirp);
mp = myutmp;
cap_rights_init(&rights, CAP_READ, CAP_LOOKUP);
if (cap_rights_limit(dfd, &rights) < 0 && errno != ENOSYS)
err(1, "cap_rights_limit failed: %s", _PATH_RWHODIR);
/*
* Cache files required for time(3) and localtime(3) before entering
* capability mode.
*/
(void) time(&ct);
(void) localtime(&ct);
if (cap_enter() < 0 && errno != ENOSYS)
err(1, "cap_enter");
(void) time(&now);
cap_rights_init(&rights, CAP_READ);
while ((dp = readdir(dirp)) != NULL) {
if (dp->d_ino == 0 || strncmp(dp->d_name, "whod.", 5) != 0)
continue;
f = openat(dfd, dp->d_name, O_RDONLY);
if (f < 0)
continue;
if (cap_rights_limit(f, &rights) < 0 && errno != ENOSYS)
err(1, "cap_rights_limit failed: %s", dp->d_name);
cc = read(f, (char *)&wd, sizeof(struct whod));
if (cc < WHDRSIZE) {
(void) close(f);
continue;
}
if (down(w, now) != 0) {
(void) close(f);
continue;
}
cc -= WHDRSIZE;
we = w->wd_we;
for (n = cc / sizeof(struct whoent); n > 0; n--) {
if (aflg == 0 && we->we_idle >= 60 * 60) {
we++;
continue;
}
if (nusers >= NUSERS)
errx(1, "too many users");
mp->myutmp = we->we_utmp;
mp->myidle = we->we_idle;
(void) strcpy(mp->myhost, w->wd_hostname);
nusers++;
we++;
mp++;
}
(void) close(f);
}
qsort((char *)myutmp, nusers, sizeof(struct myutmp), utmpcmp);
mp = myutmp;
width = 0;
for (i = 0; i < nusers; i++) {
/* append one for the blank and use 8 for the out_line */
int j;
j = strlen(mp->myhost) + 1 + sizeof(mp->myutmp.out_line);
if (j > width)
width = j;
mp++;
}
mp = myutmp;
for (i = 0; i < nusers; i++) {
char buf[BUFSIZ], cbuf[80];
time_t t;
t = _int_to_time(mp->myutmp.out_time);
strftime(cbuf, sizeof(cbuf), d_first ? "%e %b %R" : "%b %e %R",
localtime(&t));
(void) sprintf(buf, "%s:%-.*s", mp->myhost,
(int)sizeof(mp->myutmp.out_line), mp->myutmp.out_line);
printf("%-*.*s %-*s %s",
(int)sizeof(mp->myutmp.out_name),
(int)sizeof(mp->myutmp.out_name),
mp->myutmp.out_name, width, buf, cbuf);
mp->myidle /= 60;
if (mp->myidle != 0) {
if (aflg != 0) {
if (mp->myidle >= 100 * 60)
mp->myidle = 100 * 60 - 1;
if (mp->myidle >= 60)
printf(" %2d", mp->myidle / 60);
else
printf(" ");
} else {
printf(" ");
}
printf(":%02d", mp->myidle % 60);
}
printf("\n");
mp++;
}
exit(0);
}
static int
rusers_reply(caddr_t replyp, struct sockaddr_in *raddrp)
{
u_int x;
int idle;
char date[32], idle_time[64], remote[64];
struct hostent *hp;
utmpidlearr *up, u;
char *host;
int days, hours, minutes, seconds;
up = &u;
memcpy(up, replyp, sizeof(*up));
if (search_host(raddrp->sin_addr))
return (0);
if (!allopt && up->utmpidlearr_len == 0)
return (0);
hp = gethostbyaddr((char *)&raddrp->sin_addr.s_addr,
sizeof(struct in_addr), AF_INET);
if (hp != NULL)
host = hp->h_name;
else
host = inet_ntoa(raddrp->sin_addr);
if (!longopt)
printf("%-*s ", HOST_WIDTH, host);
for (x = 0; x < up->utmpidlearr_len; x++) {
time_t t = _int_to_time(up->utmpidlearr_val[x].ui_utmp.ut_time);
strncpy(date, &(ctime(&t)[4]), sizeof(date) - 1);
idle = up->utmpidlearr_val[x].ui_idle;
sprintf(idle_time, " :%02d", idle);
if (idle == MAX_INT)
strcpy(idle_time, "??");
else if (idle == 0)
strcpy(idle_time, "");
else {
seconds = idle;
days = seconds / (60 * 60 * 24);
seconds %= (60 * 60 * 24);
hours = seconds / (60 * 60);
seconds %= (60 * 60);
minutes = seconds / 60;
seconds %= 60;
if (idle > 60)
sprintf(idle_time, "%d:%02d", minutes, seconds);
if (idle >= (60 * 60))
sprintf(idle_time, "%d:%02d:%02d",
hours, minutes, seconds);
if (idle >= (24 * 60 * 60))
sprintf(idle_time, "%d days, %d:%02d:%02d",
days, hours, minutes, seconds);
}
strncpy(remote, up->utmpidlearr_val[x].ui_utmp.ut_host,
sizeof(remote) - 1);
if (strlen(remote) != 0)
sprintf(remote, "(%.16s)",
up->utmpidlearr_val[x].ui_utmp.ut_host);
if (longopt)
printf("%-8.8s %*s:%-*.*s %-12.12s %6s %.18s\n",
up->utmpidlearr_val[x].ui_utmp.ut_name,
HOST_WIDTH, host, LINE_WIDTH, LINE_WIDTH,
up->utmpidlearr_val[x].ui_utmp.ut_line, date,
idle_time, remote );
else
printf("%s ",
up->utmpidlearr_val[x].ui_utmp.ut_name);
}
if (!longopt)
putchar('\n');
remember_host(raddrp->sin_addr);
return (0);
}
