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/*
** Copyright 2001-2003 Double Precision, Inc. See COPYING for
** distribution information.
*/
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include <signal.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/time.h>
#include "gpg.h"
#include "gpglib.h"
#include "rfc2045/rfc2045.h"
struct rfc2045 *libmail_gpgmime_is_multipart_signed(const struct rfc2045 *q)
{
struct rfc2045 *p;
if (!q->content_type || strcmp(q->content_type, "multipart/signed"))
return (0);
for (p=q->firstpart; p && p->isdummy; p=p->next)
;
if (p && p->next && p->next->content_type &&
strcmp(p->next->content_type, "application/pgp-signature") == 0)
return (p);
return (NULL);
}
struct rfc2045 *libmail_gpgmime_is_multipart_encrypted(const struct rfc2045 *q)
{
struct rfc2045 *p;
if (!q->content_type || strcmp(q->content_type, "multipart/encrypted"))
return (0);
for (p=q->firstpart; p && p->isdummy; p=p->next)
;
if (p && p->content_type && p->next && p->next->content_type &&
strcmp(p->content_type, "application/pgp-encrypted") == 0 &&
strcmp(p->next->content_type, "application/octet-stream") == 0)
return (p->next);
return (NULL);
}
int libmail_gpgmime_has_mimegpg(const struct rfc2045 *q)
{
if (libmail_gpgmime_is_multipart_signed(q) ||
libmail_gpgmime_is_multipart_encrypted(q))
return (1);
for (q=q->firstpart; q; q=q->next)
{
if (q->isdummy)
continue;
if (libmail_gpgmime_has_mimegpg(q))
return (1);
}
return (0);
}
int libmail_gpgmime_is_decoded(const struct rfc2045 *q, int *retcode)
{
const char *p;
if (!q->content_type || strcasecmp(q->content_type,
"multipart/x-mimegpg"))
return (0);
p=rfc2045_getattr(q->content_type_attr, "xpgpstatus");
if (!p)
return (0);
*retcode=atoi(p);
return (1);
}
struct rfc2045 *libmail_gpgmime_decoded_content(const struct rfc2045 *q)
{
for (q=q->firstpart; q; q=q->next)
{
if (q->isdummy)
continue;
return (q->next);
}
return (NULL);
}
struct rfc2045 *libmail_gpgmime_signed_content(const struct rfc2045 *p)
{
struct rfc2045 *q;
for (q=p->firstpart; q; q=q->next)
{
if (q->isdummy)
continue;
return (q);
}
return (NULL);
}
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