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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_LIBUTIL_MAP_PRIVATE_H_
#define SRC_LIBUTIL_MAP_PRIVATE_H_
#include "config.h"
#include "mem_pool.h"
#include "keypair.h"
#include "unix-std.h"
#include "map.h"
#include "ref.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*rspamd_map_tmp_dtor) (gpointer p);
extern guint rspamd_map_log_id;
#define msg_err_map(...) rspamd_default_log_function (G_LOG_LEVEL_CRITICAL, \
"map", map->tag, \
G_STRFUNC, \
__VA_ARGS__)
#define msg_warn_map(...) rspamd_default_log_function (G_LOG_LEVEL_WARNING, \
"map", map->tag, \
G_STRFUNC, \
__VA_ARGS__)
#define msg_info_map(...) rspamd_default_log_function (G_LOG_LEVEL_INFO, \
"map", map->tag, \
G_STRFUNC, \
__VA_ARGS__)
#define msg_debug_map(...) rspamd_conditional_debug_fast (NULL, NULL, \
rspamd_map_log_id, "map", map->tag, \
G_STRFUNC, \
__VA_ARGS__)
enum fetch_proto {
MAP_PROTO_FILE,
MAP_PROTO_HTTP,
MAP_PROTO_HTTPS,
MAP_PROTO_STATIC
};
/**
* Data specific to file maps
*/
struct file_map_data {
gchar *filename;
gboolean need_modify;
ev_stat st_ev;
};
struct http_map_data;
struct rspamd_http_map_cached_cbdata {
ev_timer timeout;
struct ev_loop *event_loop;
struct rspamd_storage_shmem *shm;
struct rspamd_map *map;
struct http_map_data *data;
guint64 gen;
time_t last_checked;
};
struct rspamd_map_cachepoint {
gint available;
gsize len;
time_t last_modified;
gchar shmem_name[256];
};
/**
* Data specific to HTTP maps
*/
struct http_map_data {
/* Shared cache data */
struct rspamd_map_cachepoint *cache;
/* Non-shared for cache owner, used to cleanup cache */
struct rspamd_http_map_cached_cbdata *cur_cache_cbd;
gchar *userinfo;
gchar *path;
gchar *host;
gchar *rest;
rspamd_fstring_t *etag;
time_t last_modified;
time_t last_checked;
gboolean request_sent;
guint64 gen;
guint16 port;
};
struct static_map_data {
guchar *data;
gsize len;
gboolean processed;
};
union rspamd_map_backend_data {
struct file_map_data *fd;
struct http_map_data *hd;
struct static_map_data *sd;
};
struct rspamd_map_backend {
enum fetch_proto protocol;
gboolean is_signed;
gboolean is_compressed;
gboolean is_fallback;
struct ev_loop *event_loop;
guint32 id;
struct rspamd_cryptobox_pubkey *trusted_pubkey;
union rspamd_map_backend_data data;
gchar *uri;
ref_entry_t ref;
};
struct map_periodic_cbdata;
struct rspamd_map {
struct rspamd_dns_resolver *r;
struct rspamd_config *cfg;
GPtrArray *backends;
struct rspamd_map_backend *fallback_backend;
map_cb_t read_callback;
map_fin_cb_t fin_callback;
map_dtor_t dtor;
void **user_data;
struct ev_loop *event_loop;
struct rspamd_worker *wrk;
gchar *description;
gchar *name;
guint32 id;
struct map_periodic_cbdata *scheduled_check;
rspamd_map_tmp_dtor tmp_dtor;
gpointer tmp_dtor_data;
rspamd_map_traverse_function traverse_function;
gpointer lua_map;
gsize nelts;
guint64 digest;
/* Should we check HTTP or just load cached data */
ev_tstamp timeout;
gdouble poll_timeout;
time_t next_check;
gboolean active_http;
gboolean non_trivial; /* E.g. has http backends in active mode */
gboolean file_only; /* No HTTP backends found */
gboolean static_only; /* No need to check */
/* Shared lock for temporary disabling of map reading (e.g. when this map is written by UI) */
gint *locked;
gchar tag[MEMPOOL_UID_LEN];
};
enum rspamd_map_http_stage {
http_map_resolve_host2 = 0, /* 2 requests sent */
http_map_resolve_host1, /* 1 requests sent */
http_map_http_conn, /* http connection */
http_map_terminated /* terminated when doing resolving */
};
struct map_periodic_cbdata {
struct rspamd_map *map;
struct map_cb_data cbdata;
ev_timer ev;
gboolean need_modify;
gboolean errored;
gboolean locked;
guint cur_backend;
ref_entry_t ref;
};
static const gchar rspamd_http_file_magic[] =
{'r', 'm', 'c', 'd', '2', '0', '0', '0'};
struct rspamd_http_file_data {
guchar magic[sizeof (rspamd_http_file_magic)];
goffset data_off;
gulong mtime;
gulong next_check;
gulong etag_len;
};
struct http_callback_data {
struct ev_loop *event_loop;
struct rspamd_http_connection *conn;
GPtrArray *addrs;
rspamd_inet_addr_t *addr;
struct rspamd_map *map;
struct rspamd_map_backend *bk;
struct http_map_data *data;
struct map_periodic_cbdata *periodic;
struct rspamd_cryptobox_pubkey *pk;
struct rspamd_storage_shmem *shmem_data;
gsize data_len;
gboolean check;
enum rspamd_map_http_stage stage;
ev_tstamp timeout;
ref_entry_t ref;
};
#ifdef __cplusplus
}
#endif
#endif /* SRC_LIBUTIL_MAP_PRIVATE_H_ */
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