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/*
* whom.c -- report to whom a message would be sent
*
* $Id: whom.c,v 1.4 2002/07/02 22:09:15 kenh Exp $
*
* This code is Copyright (c) 2002, by the authors of nmh. See the
* COPYRIGHT file in the root directory of the nmh distribution for
* complete copyright information.
*/
#include <h/mh.h>
#include <h/signals.h>
#include <signal.h>
static struct swit switches[] = {
#define ALIASW 0
{ "alias aliasfile", 0 },
#define CHKSW 1
{ "check", 0 },
#define NOCHKSW 2
{ "nocheck", 0 },
#define DRAFTSW 3
{ "draft", 0 },
#define DFOLDSW 4
{ "draftfolder +folder", 6 },
#define DMSGSW 5
{ "draftmessage msg", 6 },
#define NDFLDSW 6
{ "nodraftfolder", 0 },
#define VERSIONSW 7
{ "version", 0 },
#define HELPSW 8
{ "help", 0 },
#define CLIESW 9
{ "client host", -6 },
#define SERVSW 10
{ "server host", -6 },
#define SNOOPSW 11
{ "snoop", -5 },
{ NULL, 0 }
};
int
main (int argc, char **argv)
{
pid_t child_id;
int i, status, isdf = 0;
int distsw = 0, vecp = 0;
char *cp, *dfolder = NULL, *dmsg = NULL;
char *msg = NULL, **ap, **argp, backup[BUFSIZ];
char buf[BUFSIZ], **arguments, *vec[MAXARGS];
#ifdef LOCALE
setlocale(LC_ALL, "");
#endif
invo_name = r1bindex (argv[0], '/');
/* read user profile/context */
context_read();
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
vec[vecp++] = invo_name;
vec[vecp++] = "-whom";
vec[vecp++] = "-library";
vec[vecp++] = getcpy (m_maildir (""));
while ((cp = *argp++)) {
if (*cp == '-') {
switch (smatch (++cp, switches)) {
case AMBIGSW:
ambigsw (cp, switches);
done (1);
case UNKWNSW:
adios (NULL, "-%s unknown", cp);
case HELPSW:
snprintf (buf, sizeof(buf), "%s [switches] [file]", invo_name);
print_help (buf, switches, 1);
done (1);
case VERSIONSW:
print_version(invo_name);
done (1);
case CHKSW:
case NOCHKSW:
case SNOOPSW:
vec[vecp++] = --cp;
continue;
case DRAFTSW:
msg = draft;
continue;
case DFOLDSW:
if (dfolder)
adios (NULL, "only one draft folder at a time!");
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
dfolder = path (*cp == '+' || *cp == '@' ? cp + 1 : cp,
*cp != '@' ? TFOLDER : TSUBCWF);
continue;
case DMSGSW:
if (dmsg)
adios (NULL, "only one draft message at a time!");
if (!(dmsg = *argp++) || *dmsg == '-')
adios (NULL, "missing argument to %s", argp[-2]);
continue;
case NDFLDSW:
dfolder = NULL;
isdf = NOTOK;
continue;
case ALIASW:
case CLIESW:
case SERVSW:
vec[vecp++] = --cp;
if (!(cp = *argp++) || *cp == '-')
adios (NULL, "missing argument to %s", argp[-2]);
vec[vecp++] = cp;
continue;
}
}
if (msg)
adios (NULL, "only one draft at a time!");
else
vec[vecp++] = msg = cp;
}
/* allow Aliasfile: profile entry */
if ((cp = context_find ("Aliasfile"))) {
char *dp = NULL;
for (ap = brkstring(dp = getcpy(cp), " ", "\n"); ap && *ap; ap++) {
vec[vecp++] = "-alias";
vec[vecp++] = *ap;
}
}
if (msg == NULL) {
#ifdef WHATNOW
if (dfolder || (cp = getenv ("mhdraft")) == NULL || *cp == '\0')
#endif /* WHATNOW */
cp = getcpy (m_draft (dfolder, dmsg, 1, &isdf));
msg = vec[vecp++] = cp;
}
if ((cp = getenv ("mhdist"))
&& *cp
&& (distsw = atoi (cp))
&& (cp = getenv ("mhaltmsg"))
&& *cp) {
if (distout (msg, cp, backup) == NOTOK)
done (1);
vec[vecp++] = "-dist";
distsw++;
}
vec[vecp] = NULL;
closefds (3);
if (distsw) {
for (i = 0; (child_id = fork()) == NOTOK && i < 5; i++)
sleep (5);
}
switch (distsw ? child_id : OK) {
case NOTOK:
advise (NULL, "unable to fork, so checking directly...");
case OK:
execvp (postproc, vec);
fprintf (stderr, "unable to exec ");
perror (postproc);
_exit (-1);
default:
SIGNAL (SIGHUP, SIG_IGN);
SIGNAL (SIGINT, SIG_IGN);
SIGNAL (SIGQUIT, SIG_IGN);
SIGNAL (SIGTERM, SIG_IGN);
status = pidwait(child_id, OK);
unlink (msg);
if (rename (backup, msg) == NOTOK)
adios (msg, "unable to rename %s to", backup);
done (status);
}
return 0; /* dead code to satisfy the compiler */
}
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