ip.c File Reference

#include <string.h>
#include "ip.h"
#include "libavutil/avstring.h"
#include "libavutil/mem.h"

Go to the source code of this file.

Functions
static int	compare_addr (const struct sockaddr_storage *a, const struct sockaddr_storage *b)
int	ff_ip_check_source_lists (struct sockaddr_storage *source_addr_ptr, IPSourceFilters *s)
	Checks the source address against a given IP source filter. More...
struct addrinfo *	ff_ip_resolve_host (void *log_ctx, const char *hostname, int port, int type, int family, int flags)
	Resolves hostname into an addrinfo structure. More...
static int	ip_parse_addr_list (void *log_ctx, const char *buf, struct sockaddr_storage **address_list_ptr, int *address_list_size_ptr)
static int	ip_parse_sources_and_blocks (void *log_ctx, const char *buf, IPSourceFilters *filters, int parse_include_list)
int	ff_ip_parse_sources (void *log_ctx, const char *buf, IPSourceFilters *filters)
	Parses the address[,address] source list in buf and adds it to the filters in the IPSourceFilters structure. More...
int	ff_ip_parse_blocks (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. More...
void	ff_ip_reset_filters (IPSourceFilters *filters)
	Resets the IP filter list and frees the internal fields of an IPSourceFilters structure. More...

Function Documentation

compare_addr()

static int compare_addr ( const struct sockaddr_storage *  a, const struct sockaddr_storage *  b  )

static

Definition at line 26 of file ip.c.

Referenced by ff_ip_check_source_lists().

ff_ip_check_source_lists()

int ff_ip_check_source_lists	(	struct sockaddr_storage *	source_addr_ptr,
		IPSourceFilters *	s
	)

Checks the source address against a given IP source filter.

Returns

0 if packet should be processed based on the filter, 1 if the packet can be dropped.

Definition at line 46 of file ip.c.

Referenced by rtp_read(), and udp_read().

ff_ip_resolve_host()

struct addrinfo* ff_ip_resolve_host	(	void *	log_ctx,
		const char *	hostname,
		int	port,
		int	type,
		int	family,
		int	flags
	)

Resolves hostname into an addrinfo structure.

Returns

addrinfo structure which should be freed by the user, NULL in case of error.

Definition at line 65 of file ip.c.

Referenced by ip_parse_addr_list(), udp_set_url(), and udp_socket_create().

ip_parse_addr_list()

static int ip_parse_addr_list ( void *  log_ctx, const char *  buf, struct sockaddr_storage **  address_list_ptr, int *  address_list_size_ptr  )

static

Definition at line 96 of file ip.c.

Referenced by ip_parse_sources_and_blocks().

ip_parse_sources_and_blocks()

static int ip_parse_sources_and_blocks ( void *  log_ctx, const char *  buf, IPSourceFilters *  filters, int  parse_include_list  )

static

Definition at line 130 of file ip.c.

Referenced by ff_ip_parse_blocks(), and ff_ip_parse_sources().

ff_ip_parse_sources()

int ff_ip_parse_sources	(	void *	log_ctx,
		const char *	buf,
		IPSourceFilters *	filters
	)

Parses the address[,address] source list in buf and adds it to the filters in the IPSourceFilters structure.

Returns

0 on success, < 0 AVERROR code on error.

Definition at line 145 of file ip.c.

Referenced by rtp_open(), and udp_open().

ff_ip_parse_blocks()

int ff_ip_parse_blocks	(	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.

Returns

0 on success, < 0 AVERROR code on error.

Definition at line 150 of file ip.c.

Referenced by rtp_open(), and udp_open().

ff_ip_reset_filters()

void ff_ip_reset_filters

(

IPSourceFilters *

filters

)

Resets the IP filter list and frees the internal fields of an IPSourceFilters structure.

Definition at line 155 of file ip.c.

Referenced by rtp_close(), udp_close(), and udp_open().