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/*-
* Copyright 2016 Vsevolod Stakhov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#ifndef SRC_LIBMIME_MIME_HEADERS_H_
#define SRC_LIBMIME_MIME_HEADERS_H_
#include "config.h"
#include "libutil/mem_pool.h"
struct rspamd_task;
enum rspamd_rfc2047_encoding {
RSPAMD_RFC2047_QP = 0,
RSPAMD_RFC2047_BASE64,
};
enum rspamd_mime_header_special_type {
RSPAMD_HEADER_GENERIC = 0,
RSPAMD_HEADER_RECEIVED = 1 << 0,
RSPAMD_HEADER_TO = 1 << 2,
RSPAMD_HEADER_CC = 1 << 3,
RSPAMD_HEADER_BCC = 1 << 4,
RSPAMD_HEADER_FROM = 1 << 5,
RSPAMD_HEADER_MESSAGE_ID = 1 << 6,
RSPAMD_HEADER_SUBJECT = 1 << 7,
RSPAMD_HEADER_RETURN_PATH = 1 << 8,
RSPAMD_HEADER_DELIVERED_TO = 1 << 9,
RSPAMD_HEADER_SENDER = 1 << 10,
RSPAMD_HEADER_RCPT = 1 << 11,
RSPAMD_HEADER_UNIQUE = 1 << 12
};
struct rspamd_mime_header {
gchar *name;
gchar *value;
const gchar *raw_value; /* As it is in the message (unfolded and unparsed) */
gsize raw_len;
gboolean tab_separated;
gboolean empty_separator;
guint order;
enum rspamd_mime_header_special_type type;
gchar *separator;
gchar *decoded;
};
/**
* Process headers and store them in `target`
* @param task
* @param target
* @param in
* @param len
* @param check_newlines
*/
void rspamd_mime_headers_process (struct rspamd_task *task, GHashTable *target,
GQueue *order,
const gchar *in, gsize len,
gboolean check_newlines);
/**
* Perform rfc2047 decoding of a header
* @param pool
* @param in
* @param inlen
* @return
*/
gchar * rspamd_mime_header_decode (rspamd_mempool_t *pool, const gchar *in,
gsize inlen);
/**
* Encode mime header if needed
* @param in
* @param len
* @return newly allocated encoded header
*/
gchar * rspamd_mime_header_encode (const gchar *in, gsize len);
/**
* Generate new unique message id
* @param fqdn
* @return
*/
gchar * rspamd_mime_message_id_generate (const gchar *fqdn);
#endif /* SRC_LIBMIME_MIME_HEADERS_H_ */
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