mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-02 03:06:28 +02:00
73 lines
2.4 KiB
C
73 lines
2.4 KiB
C
|
/*
|
||
|
|
* IP common code
|
||
|
|
*
|
||
|
|
* This file is part of FFmpeg.
|
||
|
|
*
|
||
|
|
* FFmpeg is free software; you can redistribute it and/or
|
||
|
|
* modify it under the terms of the GNU Lesser General Public License
|
||
|
|
* as published by the Free Software Foundation; either
|
||
|
|
* version 2.1 of the License, or (at your option) any later version.
|
||
|
|
*
|
||
|
|
* FFmpeg is distributed in the hope that it will be useful,
|
||
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
|
|
* GNU Lesser General Public License for more details.
|
||
|
|
*
|
||
|
|
* You should have received a copy of the GNU Lesser General Public License
|
||
|
|
* along with FFmpeg; if not, write to the Free Software * Foundation, Inc.,
|
||
|
|
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef AVFORMAT_IP_H
|
||
|
|
#define AVFORMAT_IP_H
|
||
|
|
|
||
|
|
#include "network.h"
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Structure for storing IP (UDP) source filters or block lists.
|
||
|
|
*/
|
||
|
|
typedef struct IPSourceFilters {
|
||
|
|
int nb_include_addrs;
|
||
|
|
int nb_exclude_addrs;
|
||
|
|
struct sockaddr_storage *include_addrs;
|
||
|
|
struct sockaddr_storage *exclude_addrs;
|
||
|
|
} IPSourceFilters;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks the source address against a given IP source filter.
|
||
|
|
* @return 0 if packet should be processed based on the filter, 1 if the packet
|
||
|
|
* can be dropped.
|
||
|
|
*/
|
||
|
|
int ff_ip_check_source_lists(struct sockaddr_storage *source_addr_ptr, IPSourceFilters *s);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resolves hostname into an addrinfo structure.
|
||
|
|
* @return addrinfo structure which should be freed by the user, NULL in case
|
||
|
|
* of error.
|
||
|
|
*/
|
||
|
|
struct addrinfo *ff_ip_resolve_host(void *log_ctx,
|
||
|
|
const char *hostname, int port,
|
||
|
|
int type, int family, int flags);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the address[,address] source list in buf and adds it to the filters
|
||
|
|
* in the IPSourceFilters structure.
|
||
|
|
* @return 0 on success, < 0 AVERROR code on error.
|
||
|
|
*/
|
||
|
|
int ff_ip_parse_sources(void *log_ctx, const char *buf, IPSourceFilters *filters);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses the address[,address] source block list in buf and adds it to the
|
||
|
|
* filters in the IPSourceFilters structure.
|
||
|
|
* @return 0 on success, < 0 AVERROR code on error.
|
||
|
|
*/
|
||
|
|
int ff_ip_parse_blocks(void *log_ctx, const char *buf, IPSourceFilters *filters);
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Resets the IP filter list and frees the internal fields of an
|
||
|
|
* IPSourceFilters structure.
|
||
|
|
*/
|
||
|
|
void ff_ip_reset_filters(IPSourceFilters *filters);
|
||
|
|
|
||
|
|
#endif /* AVFORMAT_IP_H */
|