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/* This file is part of the Project Athena Zephyr Notification System.
* It contains code for the "zaway" 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/mit-copyright.h>
#include <zephyr/zephyr.h>
#include <pwd.h>
#ifndef lint
static char rcsid_zaway_c[] = "$Header$";
#endif lint
#define MESSAGE_CLASS "MESSAGE"
#define DEFAULT_MSG "I'm sorry, but I am currently away from the terminal and am\nnot able to receive your message.\n"
main(argc,argv)
int argc;
char *argv[];
{
FILE *fp;
ZNotice_t notice;
ZPacket_t packet;
ZSubscription_t sub;
u_short port;
int retval;
struct passwd *pw;
char awayfile[BUFSIZ],inrep[BUFSIZ],*ptr,*msg[2],*envptr;
char *find_message();
if ((retval = ZInitialize()) != ZERR_NONE) {
com_err(argv[0],retval,"while initializing");
exit(1);
}
port = 0;
if ((retval = ZOpenPort(&port)) != ZERR_NONE) {
com_err(argv[0],retval,"while opening port");
exit(1);
}
sub.class = MESSAGE_CLASS;
sub.classinst = "*";
sub.recipient = ZGetSender();
if (argc > 1)
strcpy(awayfile,argv[1]);
else {
envptr = (char *)getenv("HOME");
if (envptr)
sprintf(awayfile,"%s/.away",envptr);
else {
if (!(pw = getpwuid(getuid()))) {
fprintf(stderr,"Who are you?\n");
exit(1);
}
sprintf(awayfile,"%s/.away",pw->pw_dir);
}
}
fp = fopen(awayfile,"r");
if (!fp && argc > 1) {
fprintf(stderr,"File %s not found!\n",awayfile);
exit(1);
}
if ((retval = ZSubscribeTo(&sub,1,port)) != ZERR_NONE) {
com_err(argv[0],retval,"while subscribing");
exit(1);
}
for (;;) {
if ((retval = ZReceiveNotice(packet,sizeof packet,
¬ice,0)) != ZERR_NONE) {
com_err(argv[0],retval,"while receiving notice");
continue;
}
if (!strcmp(notice.z_sender,ZGetSender()))
continue;
if (!strcmp(notice.z_message,"Automated reply:\n"))
continue;
if (fp) {
if (!(ptr = find_message(¬ice,fp)))
continue;
}
else {
ptr = (char *)malloc(sizeof(DEFAULT_MSG)+1);
if (!ptr) {
com_err(argv[0],errno,"while getting default message");
exit(1);
}
strcpy(ptr,DEFAULT_MSG);
}
notice.z_recipient = notice.z_sender;
notice.z_sender = 0;
notice.z_default_format = 0;
msg[0] = "Automated reply:\n";
msg[1] = ptr;
notice.z_message_len = strlen(notice.z_message)+1;
if ((retval = ZSendList(¬ice,msg,2,ZNOAUTH)) != ZERR_NONE) {
com_err(argv[0],retval,"while sending notice");
continue;
}
free(ptr);
}
}
char *find_message(notice,fp)
ZNotice_t *notice;
FILE *fp;
{
char bfr[BUFSIZ],*ptr,*ptr2,sender[BUFSIZ];
int gotone,lastwasnt;
char *realloc();
rewind(fp);
strcpy(sender,notice->z_sender);
ptr2 = (char *)index(sender,'@');
if (ptr2)
*ptr2 = '\0';
ptr = 0;
gotone = 0;
lastwasnt = 0;
while (fgets(bfr,sizeof bfr,fp) != (char *)0) {
if (*bfr == '>') {
if (lastwasnt)
gotone = 0;
bfr[strlen(bfr)-1] = '\0';
ptr2 = (char *)index(bfr,'@');
if (ptr2)
*ptr2 = '\0';
if (!strcmp(bfr+1,sender) ||
!strcmp(bfr+1,"*") ||
(!strcmp(bfr+1,"%") && !ptr))
gotone = 1;
lastwasnt = 0;
}
else {
if (gotone) {
if (!ptr) {
ptr = (char *)malloc(strlen(bfr)+1);
*ptr = '\0';
}
else
ptr = (char *)realloc(ptr,strlen(bfr)+
strlen(ptr)+1);
strcat(ptr,bfr);
}
lastwasnt = 1;
}
}
return (ptr);
}
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