#include <errno.h>
#include <gnutls/gnutls.h>
#include <gnutls/dtls.h>
#include <gnutls/x509.h>
#include "avformat.h"
#include "network.h"
#include "os_support.h"
#include "url.h"
#include "tls.h"
#include "libavutil/intreadwrite.h"
#include "libavutil/opt.h"
#include "libavutil/thread.h"
#include "libavutil/random_seed.h"

Data Structures
struct	TLSContext

Macros
#define	GNUTLS_VERSION_NUMBER LIBGNUTLS_VERSION_NUMBER

#define	MAX_MD_SIZE 64

Functions
static int	pkey_to_pem_string (gnutls_x509_privkey_t key, char *out, size_t out_sz)

static int	crt_to_pem_string (gnutls_x509_crt_t crt, char *out, size_t out_sz)

static int	gnutls_x509_fingerprint (gnutls_x509_crt_t cert, char **fingerprint)

int	ff_ssl_read_key_cert (char key_url, char crt_url, char key_buf, size_t key_sz, char crt_buf, size_t crt_sz, char **fingerprint)

static int	gnutls_gen_private_key (gnutls_x509_privkey_t *key)

static int	gnutls_gen_certificate (gnutls_x509_privkey_t key, gnutls_x509_crt_t crt, char *fingerprint)

int	ff_ssl_gen_key_cert (char key_buf, size_t key_sz, char cert_buf, size_t cert_sz, char **fingerprint)

void	ff_gnutls_init (void)

void	ff_gnutls_deinit (void)

int	ff_tls_set_external_socket (URLContext h, URLContext sock)

int	ff_dtls_export_materials (URLContext h, char dtls_srtp_materials, size_t materials_sz)

static int	print_tls_error (URLContext *h, int ret)

static int	tls_close (URLContext *h)

static ssize_t	gnutls_url_pull (gnutls_transport_ptr_t transport, void *buf, size_t len)

static ssize_t	gnutls_url_push (gnutls_transport_ptr_t transport, const void *buf, size_t len)

static int	gnutls_pull_timeout (gnutls_transport_ptr_t ptr, unsigned int ms)

static int	tls_handshake (URLContext *h)

static int	tls_open (URLContext h, const char uri, int flags, AVDictionary **options)

static int	dtls_open (URLContext h, const char uri, int flags, AVDictionary **options)

static int	tls_read (URLContext h, uint8_t buf, int size)

static int	tls_write (URLContext h, const uint8_t buf, int size)

static int	tls_get_file_handle (URLContext *h)

static int	tls_get_short_seek (URLContext *h)

Variables
static AVMutex	gnutls_mutex = AV_MUTEX_INITIALIZER

static const AVOption	options []

static const AVClass	tls_class

const URLProtocol	ff_tls_protocol

static const AVClass	dtls_class

const URLProtocol	ff_dtls_protocol

Macro Definition Documentation

◆ GNUTLS_VERSION_NUMBER

#define GNUTLS_VERSION_NUMBER LIBGNUTLS_VERSION_NUMBER

Definition at line 39 of file tls_gnutls.c.

◆ MAX_MD_SIZE

#define MAX_MD_SIZE 64

Definition at line 47 of file tls_gnutls.c.

Function Documentation

◆ pkey_to_pem_string()

static int pkey_to_pem_string	(	gnutls_x509_privkey_t	key,
		char *	out,
		size_t	out_sz
	)

static

Definition at line 49 of file tls_gnutls.c.

Referenced by ff_ssl_gen_key_cert(), and ff_ssl_read_key_cert().

◆ crt_to_pem_string()

static int crt_to_pem_string	(	gnutls_x509_crt_t	crt,
		char *	out,
		size_t	out_sz
	)

static

Definition at line 69 of file tls_gnutls.c.

Referenced by ff_ssl_gen_key_cert(), and ff_ssl_read_key_cert().

◆ gnutls_x509_fingerprint()

static int gnutls_x509_fingerprint	(	gnutls_x509_crt_t	cert,
		char **	fingerprint
	)

static

Definition at line 89 of file tls_gnutls.c.

Referenced by ff_ssl_read_key_cert(), and gnutls_gen_certificate().

◆ ff_ssl_read_key_cert()

int ff_ssl_read_key_cert	(	char *	key_url,
		char *	crt_url,
		char *	key_buf,
		size_t	key_sz,
		char *	crt_buf,
		size_t	crt_sz,
		char **	fingerprint
	)

Definition at line 112 of file tls_gnutls.c.

◆ gnutls_gen_private_key()

static int gnutls_gen_private_key ( gnutls_x509_privkey_t * key )

static

Definition at line 189 of file tls_gnutls.c.

Referenced by ff_ssl_gen_key_cert(), and tls_open().

◆ gnutls_gen_certificate()

static int gnutls_gen_certificate	(	gnutls_x509_privkey_t	key,
		gnutls_x509_crt_t *	crt,
		char **	fingerprint
	)

static

See https://gnutls.org/manual/gnutls.html#gnutls_005fx509_005fcrt_005fset_005fserial-1 The provided serial should be a big-endian positive number (i.e. its leftmost bit should be zero).

Definition at line 215 of file tls_gnutls.c.

Referenced by ff_ssl_gen_key_cert(), and tls_open().

◆ ff_ssl_gen_key_cert()

int ff_ssl_gen_key_cert	(	char *	key_buf,
		size_t	key_sz,
		char *	cert_buf,
		size_t	cert_sz,
		char **	fingerprint
	)

Definition at line 296 of file tls_gnutls.c.

◆ ff_gnutls_init()

void ff_gnutls_init ( void )

Definition at line 345 of file tls_gnutls.c.

Referenced by ff_tls_init(), and tls_open().

◆ ff_gnutls_deinit()

void ff_gnutls_deinit ( void )

Definition at line 356 of file tls_gnutls.c.

Referenced by ff_tls_deinit(), and tls_close().

◆ ff_tls_set_external_socket()

int ff_tls_set_external_socket	(	URLContext *	h,
		URLContext *	sock
	)

Definition at line 363 of file tls_gnutls.c.

◆ ff_dtls_export_materials()

int ff_dtls_export_materials	(	URLContext *	h,
		char *	dtls_srtp_materials,
		size_t	materials_sz
	)

Definition at line 376 of file tls_gnutls.c.

◆ print_tls_error()

static int print_tls_error	(	URLContext *	h,
		int	ret
	)

static

Definition at line 389 of file tls_gnutls.c.

Referenced by tls_handshake(), tls_read(), and tls_write().

◆ tls_close()

static int tls_close ( URLContext * h )

static

Definition at line 416 of file tls_gnutls.c.

Referenced by ff_tls_close(), and tls_open().

◆ gnutls_url_pull()

static ssize_t gnutls_url_pull	(	gnutls_transport_ptr_t	transport,
		void *	buf,
		size_t	len
	)

static

Definition at line 432 of file tls_gnutls.c.

Referenced by tls_open().

◆ gnutls_url_push()

static ssize_t gnutls_url_push	(	gnutls_transport_ptr_t	transport,
		const void *	buf,
		size_t	len
	)

static

Definition at line 464 of file tls_gnutls.c.

Referenced by tls_open().

◆ gnutls_pull_timeout()

static int gnutls_pull_timeout	(	gnutls_transport_ptr_t	ptr,
		unsigned int	ms
	)

static

Definition at line 484 of file tls_gnutls.c.

Referenced by tls_open().

◆ tls_handshake()

static int tls_handshake ( URLContext * h )

static

Definition at line 501 of file tls_gnutls.c.

Referenced by tls_open().

◆ tls_open()

static int tls_open	(	URLContext *	h,
		const char *	uri,
		int	flags,
		AVDictionary **	options
	)

static

Definition at line 527 of file tls_gnutls.c.

Referenced by dtls_open().

◆ dtls_open()

static int dtls_open	(	URLContext *	h,
		const char *	uri,
		int	flags,
		AVDictionary **	options
	)

static

Definition at line 678 of file tls_gnutls.c.

◆ tls_read()

static int tls_read	(	URLContext *	h,
		uint8_t *	buf,
		int	size
	)

static

Definition at line 686 of file tls_gnutls.c.

Referenced by ff_tls_read().

◆ tls_write()

static int tls_write	(	URLContext *	h,
		const uint8_t *	buf,
		int	size
	)

static

Definition at line 703 of file tls_gnutls.c.

Referenced by ff_tls_write().

◆ tls_get_file_handle()

static int tls_get_file_handle ( URLContext * h )

static

Definition at line 720 of file tls_gnutls.c.

◆ tls_get_short_seek()

static int tls_get_short_seek ( URLContext * h )

static

Definition at line 726 of file tls_gnutls.c.

Variable Documentation

◆ gnutls_mutex

AVMutex gnutls_mutex = AV_MUTEX_INITIALIZER

static

Definition at line 343 of file tls_gnutls.c.

Referenced by ff_gnutls_deinit(), and ff_gnutls_init().

◆ options

const AVOption options[]

static

Initial value:

= {
    TLS_COMMON_OPTIONS(TLSContext, tls_shared),
    { NULL }
}

Definition at line 732 of file tls_gnutls.c.

◆ tls_class

const AVClass tls_class

static

Initial value:

= {
    .class_name = "tls",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 737 of file tls_gnutls.c.

◆ ff_tls_protocol

const URLProtocol ff_tls_protocol

Initial value:

= {
    .name           = "tls",
    .url_open2      = tls_open,
    .url_read       = tls_read,
    .url_write      = tls_write,
    .url_close      = tls_close,
    .url_get_file_handle = tls_get_file_handle,
    .url_get_short_seek  = tls_get_short_seek,
    .priv_data_size = sizeof(TLSContext),
    .flags          = URL_PROTOCOL_FLAG_NETWORK,
    .priv_data_class = &tls_class,
}

Definition at line 744 of file tls_gnutls.c.

◆ dtls_class

const AVClass dtls_class

static

Initial value:

= {
    .class_name = "dtls",
    .item_name  = av_default_item_name,
    .option     = options,
    .version    = LIBAVUTIL_VERSION_INT,
}

Definition at line 757 of file tls_gnutls.c.

◆ ff_dtls_protocol

const URLProtocol ff_dtls_protocol

Initial value:

= {
    .name           = "dtls",
    .url_open2      = dtls_open,
    .url_handshake  = tls_handshake,
    .url_read       = tls_read,
    .url_write      = tls_write,
    .url_close      = tls_close,
    .url_get_file_handle = tls_get_file_handle,
    .url_get_short_seek  = tls_get_short_seek,
    .priv_data_size = sizeof(TLSContext),
    .flags          = URL_PROTOCOL_FLAG_NETWORK,
    .priv_data_class = &dtls_class,
}

Definition at line 764 of file tls_gnutls.c.

Data Structures

Macros

Functions

Variables

Macro Definition Documentation

◆ GNUTLS_VERSION_NUMBER

◆ MAX_MD_SIZE

Function Documentation

◆ pkey_to_pem_string()

◆ crt_to_pem_string()

◆ gnutls_x509_fingerprint()

◆ ff_ssl_read_key_cert()

◆ gnutls_gen_private_key()

◆ gnutls_gen_certificate()

◆ ff_ssl_gen_key_cert()

◆ ff_gnutls_init()

◆ ff_gnutls_deinit()

◆ ff_tls_set_external_socket()

◆ ff_dtls_export_materials()

◆ print_tls_error()

◆ tls_close()

◆ gnutls_url_pull()

◆ gnutls_url_push()

◆ gnutls_pull_timeout()

◆ tls_handshake()

◆ tls_open()

◆ dtls_open()

◆ tls_read()

◆ tls_write()

◆ tls_get_file_handle()

◆ tls_get_short_seek()

Variable Documentation

◆ gnutls_mutex

◆ options

◆ tls_class

◆ ff_tls_protocol

◆ dtls_class

◆ ff_dtls_protocol