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/*
* whom.c -- report to whom a message would be sent
*
* 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>
#ifndef CYRUS_SASL
# define SASLminc(a) (a)
#else /* CYRUS_SASL */
# define SASLminc(a) 0
#endif /* CYRUS_SASL */
#ifndef TLS_SUPPORT
# define TLSminc(a) (a)
#else /* TLS_SUPPORT */
# define TLSminc(a) 0
#endif /* TLS_SUPPORT */
#define WHOM_SWITCHES \
X("alias aliasfile", 0, ALIASW) \
X("check", 0, CHKSW) \
X("nocheck", 0, NOCHKSW) \
X("draft", 0, DRAFTSW) \
X("draftfolder +folder", 6, DFOLDSW) \
X("draftmessage msg", 6, DMSGSW) \
X("nodraftfolder", 0, NDFLDSW) \
X("version", 0, VERSIONSW) \
X("help", 0, HELPSW) \
X("client host", -6, CLIESW) \
X("server host", -6, SERVSW) \
X("snoop", -5, SNOOPSW) \
X("sasl", SASLminc(4), SASLSW) \
X("saslmech mechanism", SASLminc(-5), SASLMECHSW) \
X("user username", SASLminc(-4), USERSW) \
X("port server port name/number", 4, PORTSW) \
X("tls", TLSminc(-3), TLSSW) \
X("initialtls", TLSminc(-10), INITTLSSW) \
X("notls", TLSminc(-5), NTLSSW) \
X("mts smtp|sendmail/smtp|sendmail/pipe", 0, MTSSW) \
#define X(sw, minchars, id) id,
DEFINE_SWITCH_ENUM(WHOM);
#undef X
#define X(sw, minchars, id) { sw, minchars, id },
DEFINE_SWITCH_ARRAY(WHOM, switches);
#undef X
int
main (int argc, char **argv)
{
pid_t child_id = OK;
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];
if (nmh_init(argv[0], 1)) { return 1; }
arguments = getarguments (invo_name, argc, argv, 1);
argp = arguments;
vec[vecp++] = invo_name;
vec[vecp++] = "-whom";
vec[vecp++] = "-library";
vec[vecp++] = getcpy (m_maildir (""));
/* Don't need to feed fileproc or mhlproc to post because
it doesn't use them when used for whom. */
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 (0);
case VERSIONSW:
print_version(invo_name);
done (0);
case CHKSW:
case NOCHKSW:
case SNOOPSW:
case SASLSW:
case TLSSW:
case INITTLSSW:
case NTLSSW:
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:
case USERSW:
case PORTSW:
case SASLMECHSW:
case MTSSW:
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) {
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);
(void) m_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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