/*
* Copyright (c) 1989 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Tony Nardo of the Johns Hopkins University/Applied Physics Lab.
*
* 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.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS OR CONTRIBUTORS 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.
*/
#include "libc/calls/calls.h"
#include "libc/calls/struct/stat.h"
#include "libc/fmt/fmt.h"
#include "libc/paths.h"
#include "libc/stdio/stdio.h"
#include "libc/str/str.h"
#include "libc/sysv/consts/o.h"
#include "libc/sysv/consts/s.h"
#include "libc/time/struct/tm.h"
#include "libc/time/time.h"
#include "third_party/finger/finger.h"
// clang-format off
/*
* from: @(#)lprint.c 5.13 (Berkeley) 10/31/90
*/
char lprint_rcsid[] =
"$Id: lprint.c,v 1.11 1999/09/14 10:51:11 dholland Exp $";
static void lprint(PERSON *pn);
static int demi_print(char *str, int oddfield);
static int show_text(const char *directory, const char *file_name,
const char *header);
#define LINE_LEN 80
#define TAB_LEN 8 /* 8 spaces between tabs */
#define _PATH_FORWARD ".forward"
#define _PATH_PLAN ".plan"
#define _PATH_PROJECT ".project"
#define _PATH_PGPKEY ".pgpkey"
void
lflag_print(void)
{
register PERSON *pn = phead;
while (1) {
lprint(pn);
if (!pplan) {
show_text(pn->dir, _PATH_PGPKEY, "PGP key:\n");
show_text(pn->dir, _PATH_PROJECT, "Project:\n");
if (!show_text(pn->dir, _PATH_PLAN, "Plan:\n")) {
xprintf("No Plan.\n");
}
}
if (!(pn = pn->next))
break;
xputc('\n');
}
}
static void
lprint(PERSON *pn)
{
struct tm *delta, *tp;
WHERE *w;
int cpr, len, maxlen;
int oddfield;
char timebuf[128];
/*
* long format --
* login name
* real name
* home directory
* shell
* office, office phone, home phone if available
*/
xprintf("Login: %-15s\t\t\tName: %s\nDirectory: %-25s",
pn->name, pn->realname, pn->dir);
xprintf("\tShell: %-s\n", *pn->shell ? pn->shell : _PATH_BSHELL);
/*
* try and print office, office phone, and home phone on one line;
* if that fails, do line filling so it looks nice.
*/
#define OFFICE_TAG "Office"
#define OFFICE_PHONE_TAG "Office Phone"
oddfield = 0;
if (pn->office && pn->officephone &&
strlen(pn->office) + strlen(pn->officephone) +
sizeof(OFFICE_TAG) + 2 <= 5 * TAB_LEN)
{
snprintf(tbuf, TBUFLEN, "%s: %s, %s", OFFICE_TAG, pn->office,
prphone(pn->officephone));
oddfield = demi_print(tbuf, oddfield);
}
else {
if (pn->office) {
snprintf(tbuf, TBUFLEN, "%s: %s", OFFICE_TAG,
pn->office);
oddfield = demi_print(tbuf, oddfield);
}
if (pn->officephone) {
snprintf(tbuf, TBUFLEN, "%s: %s", OFFICE_PHONE_TAG,
prphone(pn->officephone));
oddfield = demi_print(tbuf, oddfield);
}
}
if (pn->homephone) {
snprintf(tbuf, TBUFLEN, "%s: %s", "Home Phone",
prphone(pn->homephone));
oddfield = demi_print(tbuf, oddfield);
}
if (oddfield) xputc('\n');
/*
* long format con't: * if logged in
* terminal
* idle time
* if messages allowed
* where logged in from
* if not logged in
* when last logged in
*/
/* find out longest device name for this user for formatting */
for (w = pn->whead, maxlen = -1; w != NULL; w = w->next)
if ((len = strlen(w->tty)) > maxlen)
maxlen = len;
/* find rest of entries for user */
for (w = pn->whead; w != NULL; w = w->next) {
switch (w->info) {
case LOGGEDIN:
tp = localtime(&w->loginat);
/*
* t = asctime(tp);
* tzset();
* tzn = tzname[daylight];
* cpr = printf("On since %.16s (%s) on %s",
* t, tzn, w->tty);
*/
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R (%Z)", tp);
cpr = xprintf("On since %s on %s", timebuf, w->tty);
if (*w->host) {
cpr += xprintf(" from %s", w->host);
}
/*
* idle time is tough; if have one, print a comma,
* then spaces to pad out the device name, then the
* idle time. Follow with a comma if a remote login.
*/
delta = gmtime(&w->idletime);
if (delta->tm_yday || delta->tm_hour
|| delta->tm_min || delta->tm_sec) {
if (*w->host)
xputc('\n');
cpr += xprintf("%-*s",
(int) (maxlen - strlen(w->tty) + 3), "");
if (delta->tm_yday > 0) {
cpr += xprintf("%d day%s ",
delta->tm_yday,
delta->tm_yday == 1 ? "" : "s");
}
if (delta->tm_hour > 0) {
cpr += xprintf("%d hour%s ",
delta->tm_hour,
delta->tm_hour == 1 ? "" : "s");
}
if ((delta->tm_min > 0) && !delta->tm_yday) {
cpr += xprintf("%d minute%s ",
delta->tm_min,
delta->tm_min == 1 ? "" : "s");
}
if ((delta->tm_sec > 0) && !delta->tm_yday
&& !delta->tm_hour) {
cpr += xprintf("%d second%s ",
delta->tm_sec,
delta->tm_sec == 1 ? "" : "s");
}
cpr += xprintf("idle");
}
if (!w->writable) {
if (delta->tm_yday || delta->tm_hour
|| delta->tm_min || delta->tm_sec)
cpr += xprintf("\n ");
cpr += xprintf(" (messages off)");
}
break;
case LASTLOG:
if (w->loginat == 0) {
(void)xprintf("Never logged in.");
break;
}
tp = localtime(&w->loginat);
/*
* t = asctime(tp);
* tzset();
* tzn = tzname[daylight];
* if(now - w->loginat > SECSPERDAY * DAYSPERNYEAR / 2)
* cpr =
* printf("Last login %.16s %.4s (%s) on %s",
* t, t + 20, tzn, w->tty);
* else
* cpr = printf("Last login %.16s (%s) on %s",
* t, tzn, w->tty);
*/
if (now - w->loginat < SECSPERDAY * DAYSPERNYEAR / 2) {
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R (%Z)", tp);
}
else {
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R %Y (%Z)", tp);
}
cpr = xprintf("Last login %s on %s", timebuf, w->tty);
if (*w->host) {
cpr += xprintf(" from %s", w->host);
}
break;
}
xputc('\n');
}
/* If the user forwards mail elsewhere, tell us about it */
show_text(pn->dir, _PATH_FORWARD, "Mail forwarded to ");
/* Print the standard mailbox information. */
if (pn->mailrecv == -1)
xprintf("No mail.\n");
else if (pn->mailrecv > pn->mailread) {
tp = localtime(&pn->mailrecv);
/*
* t = asctime(tp);
* tzset();
* tzn = tzname[daylight];
* printf("New mail received %.16s %.4s (%s)\n", t,
* t + 20, tzn);
*/
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R %Y (%Z)", tp);
xprintf("New mail received %s\n", timebuf);
tp = localtime(&pn->mailread);
/*
* t = asctime(tp);
* tzset();
* tzn = tzname[daylight];
* printf(" Unread since %.16s %.4s (%s)\n", t,
* t + 20, tzn);
*/
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R %Y (%Z)", tp);
xprintf(" Unread since %s\n", timebuf);
} else {
tp = localtime(&pn->mailread);
/*
* t = asctime(tp);
* tzset();
* tzn = tzname[daylight];
* printf("Mail last read %.16s %.4s (%s)\n", t,
* t + 20, tzn);
*/
strftime(timebuf, sizeof(timebuf),
"%a %b %e %R %Y (%Z)", tp);
xprintf("Mail last read %s\n", timebuf);
}
}
static int
demi_print(char *str, int oddfield)
{
static int lenlast;
int lenthis, maxlen;
lenthis = strlen(str);
if (oddfield) {
/*
* We left off on an odd number of fields. If we haven't
* crossed the midpoint of the screen, and we have room for
* the next field, print it on the same line; otherwise,
* print it on a new line.
*
* Note: we insist on having the right hand fields start
* no less than 5 tabs out.
*/
maxlen = 5 * TAB_LEN;
if (maxlen < lenlast)
maxlen = lenlast;
if (((((maxlen / TAB_LEN) + 1) * TAB_LEN) +
lenthis) <= LINE_LEN) {
while(lenlast < (4 * TAB_LEN)) {
xputc('\t');
lenlast += TAB_LEN;
}
(void)xprintf("\t%s\n", str); /* force one tab */
} else {
(void)xprintf("\n%s", str); /* go to next line */
oddfield = !oddfield; /* this'll be undone below */
}
} else
(void)xprintf("%s", str);
oddfield = !oddfield; /* toggle odd/even marker */
lenlast = lenthis;
return(oddfield);
}
static int
show_text(const char *directory, const char *file_name, const char *header)
{
int ch, lastc = 0, fd;
FILE *fp;
struct stat sbuf1, sbuf2;
snprintf(tbuf, TBUFLEN, "%s/%s", directory, file_name);
if (lstat(tbuf, &sbuf1) || !S_ISREG(sbuf1.st_mode)) return 0;
fd = open(tbuf, O_RDONLY);
if (fd<0) return 0;
if (fstat(fd, &sbuf2)) { close(fd); return 0; }
/* if we didn't get the same file both times, bail */
if (sbuf1.st_dev!=sbuf2.st_dev || sbuf1.st_ino!=sbuf2.st_ino) {
close(fd);
return 0;
}
fp = fdopen(fd, "r");
if (fp == NULL) { close(fd); return 0; }
xprintf("%s", header);
while ((ch = getc(fp)) != EOF) {
xputc(ch);
lastc = ch;
}
if (lastc != '\n') xputc('\n');
fclose(fp);
return 1;
}