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/*
* (c) Copyright 1994 HEWLETT-PACKARD COMPANY
*
* To anyone who acknowledges that this file is provided
* "AS IS" without any express or implied warranty:
* permission to use, copy, modify, and distribute this
* file for any purpose is hereby granted without fee,
* provided that the above copyright notice and this
* notice appears in all copies, and that the name of
* Hewlett-Packard Company not be used in advertising or
* publicity pertaining to distribution of the software
* without specific, written prior permission. Hewlett-
* Packard Company makes no representations about the
* suitability of this software for any purpose.
*/
/*
* Mailquery - contact the POP mail host an see if a user has
* mail. By default the result if reflected in the
* exit status.
*
* Usage: mailquery [-dv] [-e <cmd>]
* -d - debug
* -v - print result
* -e - exec this command if there is mail.
*/
#include <pwd.h>
#include <fcntl.h>
#include <sys/file.h>
#include <stdio.h>
#include <string.h>
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#ifdef HESIOD
#include <hesiod.h>
#endif
#include "pop.h"
extern int pop_debug;
int verbose = 0;
char *exec_cmd;
void usage()
{
fprintf(stderr, "usage: mailquery [-d] [-v] [-e cmd] [user[@host]]\n");
}
main(argc, argv)
int argc;
char *argv[];
{
extern char *getenv();
int nbytes;
char *mhost = NULL, *mhp;
char *user = 0;
struct passwd * pwd;
char response[128];
char c;
extern int optind;
extern char *optarg;
#ifdef HESIOD
struct hes_postoffice *p;
#endif /* HESIOD */
while ((c = getopt(argc, argv, "dve:")) != EOF) {
switch (c) {
case 'd':
pop_debug = 1;
break;
case 'e':
exec_cmd = optarg;
break;
case 'v':
verbose = 1;
break;
case '?':
usage();
exit(1);
}
}
argc -= optind;
argv += optind;
if (argc > 0) {
user = argv[0];
if ((mhost = strchr(argv[0], '@')) != NULL) {
*mhost = '\0';
mhost++;
}
#ifndef HESIOD
else {
mhost = DEFMAILHOST;
}
#endif
}
if (user == (char *) 0 || *user == '\0') {
if ((pwd = getpwuid(getuid())) == NULL) {
perror("getpwuid");
exit(1);
}
user = pwd->pw_name;
}
if ((mhost == NULL) &&
(mhp = getenv("MAILHOST")))
mhost = mhp;
#ifdef HESIOD
if (mhost == NULL) {
p = hes_getmailhost(user);
if (p != NULL && strcmp(p->po_type, "POP") == 0)
mhost = p->po_host;
else {
fprintf(stderr,"no POP server listed in Hesiod for %s\n", user);
exit(1);
}
}
#endif /* HESIOD */
if (mhost == NULL) {
mhost = DEFMAILHOST;
}
nbytes = mailquery(mhost, user);
if ((nbytes > 0) && (exec_cmd != 0)) {
if (pop_debug)
fprintf(stderr, "about to execute %s\n", exec_cmd);
system(exec_cmd);
}
exit(nbytes == 0);
}
mailquery(mhost, user)
char *mhost;
char *user;
{
int nbytes, nmsgs;
if (pop_init(mhost, 0) == NOTOK) {
error(Errmsg);
exit(1);
}
#ifdef KPOP
if (pop_command("USER %s", user) == NOTOK ||
pop_command("PASS %s", user) == NOTOK) {
#else /* !KPOP */
if (pop_command("USER %s", user) == NOTOK ||
pop_command("RPOP %s", user) == NOTOK) {
#endif /* KPOP */
error(Errmsg);
(void) pop_command("QUIT");
exit (1);
}
if (pop_stat(&nmsgs, &nbytes) == NOTOK) {
error(Errmsg);
(void) pop_command("QUIT");
exit (1);
}
(void) pop_command("QUIT");
if (verbose)
printf("%d messages (%d bytes) on host %s\n", nmsgs, nbytes, mhost);
return nbytes;
}
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