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/*
** Copyright 1998 - 2008 Double Precision, Inc.
** See COPYING for distribution information.
*/
#if HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#if HAVE_UNISTD_H
#include <unistd.h>
#endif
#include "imapwrite.h"
static int capa_keywords=0;
extern const char *externalauth();
void initcapability()
{
const char *p=getenv("IMAP_KEYWORDS");
if (p) capa_keywords=atoi(p);
}
int have_starttls()
{
const char *p;
if ((p=getenv("IMAP_STARTTLS")) == 0) return (0);
if (*p != 'y' && *p != 'Y') return (0);
p=getenv("COURIERTLS");
if (!p || !*p) return (0);
if (access(p, X_OK)) return (0);
return (1);
}
int tlsrequired()
{
const char *p=getenv("IMAP_TLS_REQUIRED");
if (p && atoi(p)) return (1);
return (0);
}
int keywords()
{
return capa_keywords != 0;
}
int fastkeywords()
{
return capa_keywords == 1;
}
int magictrash()
{
const char *p;
p=getenv("IMAP_MOVE_EXPUNGE_TO_TRASH");
if (p && atoi(p))
return 1;
return 0;
}
const char *imap_externalauth()
{
const char *p;
if ((p=getenv("IMAP_TLS")) && atoi(p))
return externalauth();
return NULL;
}
void imapcapability()
{
const char *p;
if ((p=getenv("IMAP_TLS")) && atoi(p) &&
(p=getenv("IMAP_CAPABILITY_TLS")) && *p)
writes(p);
else if ((p=getenv("IMAP_CAPABILITY")) != 0 && *p)
writes(p);
else
writes("IMAP4rev1");
#if SMAP
p=getenv("SMAP_CAPABILITY");
if (p && *p)
{
writes(" ");
writes(p);
if (keywords())
writes(" KEYWORDS");
}
#endif
if ((p=getenv("IMAP_ACL")) && atoi(p))
writes(" ACL ACL2=UNION");
if (getenv("IMAP_ID_FIELDS"))
writes(" ID");
if (have_starttls())
{
writes(" STARTTLS");
if (tlsrequired())
writes(" LOGINDISABLED");
}
else
{
if (imap_externalauth())
writes(" AUTH=EXTERNAL");
}
p=getenv("OUTBOX");
if (p && *p)
{
writes(" XCOURIEROUTBOX=INBOX");
writes(p);
}
if (magictrash())
writes(" XMAGICTRASH");
writes(" ENABLE UTF8=ACCEPT");
}
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