From 9c45d9ad13fdf439d44d7443ae75da15ea0223ed Mon Sep 17 00:00:00 2001
From: Sam Varshavchik
Date: Mon, 19 Aug 2013 16:39:41 -0400
Subject: Initial checkin

Imported from subversion report, converted to git. Updated all paths in
scripts and makefiles, reflecting the new directory hierarchy.
---
 gpglib/rfc2045.c | 115 +++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 115 insertions(+)
 create mode 100644 gpglib/rfc2045.c

(limited to 'gpglib/rfc2045.c')

diff --git a/gpglib/rfc2045.c b/gpglib/rfc2045.c
new file mode 100644
index 0000000..df598ec
--- /dev/null
+++ b/gpglib/rfc2045.c
@@ -0,0 +1,115 @@
+/*
+** 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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