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/* This file is part of the Project Athena Zephyr Notification System.
* It contains code for the "znol" command.
*
* Created by: Robert French
*
* $Source$
* $Author$
*
* Copyright (c) 1987 by the Massachusetts Institute of Technology.
* For copying and distribution information, see the file
* "mit-copyright.h".
*/
#include <zephyr/zephyr.h>
#include <pwd.h>
#include <string.h>
#ifndef lint
static char rcsid_znol_c[] = "$Id$";
#endif
#define SUBSATONCE 7
#define ON 1
#define OFF 0
#ifdef POSIX
#include <stdlib.h>
#else
extern char *getenv(), *malloc();
#endif
extern uid_t getuid();
main(argc,argv)
int argc;
register char *argv[];
{
register char *cp;
ZSubscription_t subs[SUBSATONCE];
ZLocations_t locations;
FILE *fp;
struct passwd *pwd;
char anyonename[BUFSIZ],name[BUFSIZ],cleanname[BUFSIZ],*envptr;
int onoff = ON,quiet = 0,justlist = 0,useronly = 0, filenamed = 0;
int retval,arg,ind,one,numlocs,i;
short wgport;
if ((retval = ZInitialize()) != ZERR_NONE) {
com_err(argv[0],retval,"initializing");
exit (1);
}
for (arg=1;arg<argc;arg++) {
if (!strcmp(argv[arg],"on")) {
onoff = ON;
continue;
}
if (!strcmp(argv[arg],"off")) {
onoff = OFF;
continue;
}
if (argv[arg][0] == '-') {
char opt = argv[arg][1];
if (opt == 0 || argv[arg][2] != 0)
goto usage;
switch (argv[arg][1]) {
case 'q':
quiet = 1;
break;
case 'l':
justlist = 1;
break;
case 'f':
if (arg == argc-1) {
fprintf(stderr,"No file name specified\n");
goto usage;
}
(void) strcpy(anyonename,argv[++arg]);
filenamed = 1;
break;
case 'u':
if (arg == argc-1) {
fprintf(stderr,"No username specified\n");
goto usage;
}
(void) strcpy(cleanname,argv[++arg]);
useronly = 1;
break;
default:
goto usage;
}
continue;
}
usage:
fprintf(stderr,"Usage: %s [on|off] [-q | -l] [-f file | -u username]\n", argv[0]);
exit (1);
}
if (quiet && justlist) {
fprintf(stderr,"-q and -l cannot both be used\n");
goto usage;
}
if (useronly && filenamed) {
fprintf(stderr,"-u and -f cannot both be used\n");
goto usage;
}
if (!justlist)
if ((wgport = ZGetWGPort()) == -1) {
com_err(argv[0],errno,"while getting WindowGram port");
exit(1);
}
if (!useronly) {
/* If no filename specified, get the default */
if (!filenamed) {
envptr = getenv("HOME");
if (envptr)
(void) strcpy(anyonename,envptr);
else {
if (!(pwd = getpwuid((int) getuid()))) {
fprintf(stderr,"You are not listed in the password file.\n");
exit (1);
}
(void) strcpy(anyonename,pwd->pw_dir);
}
(void) strcat(anyonename,"/.anyone");
}
/* if the filename is "-", read stdin */
if (strcmp(anyonename,"-") == 0) {
fp = stdin;
} else if (!(fp = fopen(anyonename,"r"))) {
fprintf(stderr,"Can't open %s for input\n",anyonename);
exit (1);
}
}
ind = 0;
for (;;) {
if (!useronly) {
if (!fgets(cleanname,sizeof cleanname,fp))
break;
if (cleanname[0] == '#' || cleanname[0] == '\0' ||
cleanname[0] == '\n')
continue; /* ignore comment and empty lines */
/* Get rid of old-style nol entries, just in case */
cp = cleanname + strlen(cleanname) - 1;
*cp = '\0';
while(*--cp == ' ')
*cp = '\0';
if (*cleanname == '@' || !*cleanname)
continue;
} else if (ind)
break; /* only do the one name */
subs[ind].zsub_class = LOGIN_CLASS;
(void) strcpy(name,cleanname);
if (!index(name,'@')) {
cp = name + strlen(name);
*cp++ = '@';
(void) strcpy(cp,ZGetRealm());
}
if ((subs[ind].zsub_classinst = malloc((unsigned)(strlen(name)+1))) == NULL) {
fprintf (stderr, "znol: out of memory");
exit (1);
}
(void) strcpy(subs[ind].zsub_classinst, name);
subs[ind++].zsub_recipient = "";
if (!quiet && onoff == ON) {
if ((retval = ZLocateUser(name,&numlocs,ZAUTH))
!= ZERR_NONE) {
com_err(argv[0],retval,"locating user");
exit(1);
}
one = 1;
if (numlocs) {
for (i=0;i<numlocs;i++) {
if ((retval =
ZGetLocations(&locations,&one))
!= ZERR_NONE) {
com_err(argv[0],retval,
"getting location");
continue;
}
if (one != 1) {
printf("%s: internal failure while getting location\n",argv[0]);
exit(1);
}
printf("%s: %s\t%s\t%s\n",cleanname,
locations.host,
locations.tty,
locations.time);
}
}
}
if (ind == SUBSATONCE) {
if (!justlist)
if ((retval = (onoff==ON)?
ZSubscribeTo(subs,ind,(u_short)wgport):
ZUnsubscribeTo(subs,ind,(u_short)wgport)) !=
ZERR_NONE) {
com_err(argv[0],retval,(onoff==ON)?
"subscribing":
"unsubscribing");
exit(1);
}
for (ind=0;ind<SUBSATONCE;ind++)
free(subs[ind].zsub_classinst);
ind = 0;
}
}
if (ind && !justlist)
if ((retval = (onoff==ON)?
ZSubscribeTo(subs,ind,(u_short)wgport):
ZUnsubscribeTo(subs,ind,(u_short)wgport)) !=
ZERR_NONE) {
com_err(argv[0],retval,(onoff==ON)?
"subscribing":
"unsubscribing");
exit(1);
}
if (!useronly)
(void) fclose(fp); /* file is open read-only,
ignore errs */
exit(0);
}
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