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/* This file is part of the Project Athena Zephyr Notification System.
* It contains code for the "zlocate" command.
*
* Created by: Robert French
*
* $Id$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include <sysdep.h>
#include <zephyr/zephyr.h>
#include <sys/socket.h>
#if !defined(lint) && !defined(SABER)
static const char rcsid_zlocate_c[] = "$Id$";
#endif
int numusers=0, numleft=0, parallel=0, oneline=0;
char *whoami;
static RETSIGTYPE
timeout(int sig)
{
fprintf (stderr, "%s: no response from server\n", whoami);
exit(1);
}
static void
usage(void)
{
printf("Usage: %s [ -a | -d ] [ -p ] [ -1 ] user ... \n",whoami);
exit(1);
}
static void
print_locs(char *user,
int nlocs)
{
int one = 1, retval;
ZLocations_t locations;
if ((!oneline) && (numusers>1))
printf("\t%s:\n",user);
if ((!oneline) && (nlocs == 0))
printf("Hidden or not logged-in\n");
for (;nlocs;nlocs--) {
if ((retval = ZGetLocations(&locations,&one)) != ZERR_NONE) {
com_err(whoami,retval,"while getting location");
exit(1);
}
if (oneline) {
printf("%s:\t%s\t%s\t%s\n",user,locations.host,locations.tty,
locations.time);
} else {
printf("%-42s %-7s %s\n",locations.host, locations.tty, locations.time);
}
}
if ((!oneline) && (numusers > 1) && (numleft > 0))
printf("\n");
}
/*ARGSUSED*/
int
main(int argc,
char *argv[])
{
char user[BUFSIZ],*whichuser;
ZAsyncLocateData_t ald;
int retval,i,numlocs,numfound,loc,auth,rlen;
ZNotice_t notice;
#ifdef _POSIX_VERSION
struct sigaction sa;
#endif
whoami = argv[0];
auth = -1;
argv++;
argc--;
for (i=0; i < argc; i++)
if (argv[i][0] == '-')
switch (argv[i][1]) {
case 'a':
if (auth != -1) usage();
auth = 1;
break;
case 'd':
if (auth != -1) usage();
auth = 0;
break;
case 'p':
parallel = 1;
break;
case '1':
oneline = 1;
break;
default:
usage();
break;
}
else
numusers++;
if (numusers == 0)
usage();
if (auth == -1) auth = 1;
if ((retval = ZInitialize()) != ZERR_NONE) {
com_err(whoami,retval,"while initializing");
exit(1);
}
numleft = numusers;
numfound = 0;
rlen = strlen(ZGetRealm());
i = 0;
for (loc = 0; loc < argc; loc++) {
if (argv[loc][0] == '-') continue;
(void) strncpy(user,argv[loc],sizeof(user) - rlen - 2);
user[sizeof(user) - rlen - 2] = '\0';
if (!strchr(user,'@')) {
(void) strcat(user,"@");
(void) strcat(user,ZGetRealm());
}
if (parallel) {
if ((retval = ZRequestLocations(user, &ald, i ? UNSAFE : UNACKED,
auth?ZAUTH:ZNOAUTH)) != ZERR_NONE) {
com_err(whoami,retval,"requesting location of %s",user);
exit(1);
}
i = 1;
} else {
if ((retval = ZLocateUser(user,&numlocs,auth?ZAUTH:ZNOAUTH)) != ZERR_NONE) {
com_err(whoami,retval,"while locating user %s",user);
exit(1);
}
print_locs(user,numlocs);
numfound += numlocs;
}
}
if (parallel) {
#ifdef _POSIX_VERSION
sigemptyset(&sa.sa_mask);
sa.sa_flags = 0;
sa.sa_handler = timeout;
sigaction(SIGALRM, &sa, (struct sigaction *)0);
#else
signal (SIGALRM, timeout);
#endif
while (numleft-- > 0) {
alarm(SRV_TIMEOUT);
if ((retval = ZReceiveNotice(¬ice, NULL)) != ZERR_NONE) {
com_err(whoami,retval,"while searching notice queue");
continue;
}
if ((retval = ZParseLocations(¬ice, (ZAsyncLocateData_t *)NULL,
&numlocs, &whichuser)) != ZERR_NONE) {
com_err(whoami,retval,"while parsing locations");
continue;
}
if (numlocs >= 0) {
print_locs(whichuser,numlocs);
free(whichuser);
numfound += numlocs;
}
ZFreeNotice(¬ice);
}
}
return((numfound > 0) ? 0 : 1);
}
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