tls_mbedtls.c File Reference

#include <mbedtls/version.h>
#include <mbedtls/ctr_drbg.h>
#include <mbedtls/entropy.h>
#include <mbedtls/net_sockets.h>
#include <mbedtls/platform.h>
#include <mbedtls/ssl.h>
#include <mbedtls/x509_crt.h>
#include <mbedtls/debug.h>
#include <mbedtls/timing.h>
#include "avformat.h"
#include "internal.h"
#include "network.h"
#include "url.h"
#include "tls.h"
#include "libavutil/mem.h"
#include "libavutil/parseutils.h"
#include "libavutil/avstring.h"
#include "libavutil/random_seed.h"

Go to the source code of this file.

Data Structures
struct	dtls_srtp_keys
struct	TLSContext

Macros
#define	OFFSET(x)   offsetof(TLSContext, x)

Functions
static int	mbedtls_x509_fingerprint (char *cert_buf, size_t cert_sz, char **fingerprint)
int	ff_ssl_read_key_cert (char *key_url, char *cert_url, char *key_buf, size_t key_sz, char *cert_buf, size_t cert_sz, char **fingerprint)
static int	mbedtls_gen_pkey (mbedtls_pk_context *key)
static int	mbedtls_gen_x509_cert (mbedtls_pk_context *key, char *cert_buf, size_t cert_sz)
int	ff_ssl_gen_key_cert (char *key_buf, size_t key_sz, char *cert_buf, size_t cert_sz, char **fingerprint)
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	tls_close (URLContext *h)
static int	handle_transport_error (URLContext *h, const char *func_name, int react_on_eagain, int ret)
static int	mbedtls_send (void *ctx, const unsigned char *buf, size_t len)
static int	mbedtls_recv (void *ctx, unsigned char *buf, size_t len)
static void	mbedtls_debug (void *ctx, int lvl, const char *file, int line, const char *msg)
static void	handle_pk_parse_error (URLContext *h, int ret)
static void	handle_handshake_error (URLContext *h, int ret)
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	handle_tls_error (URLContext *h, const char *func_name, int ret)
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 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

OFFSET

#define OFFSET

(

x

)

offsetof(TLSContext, x)

Definition at line 327 of file tls_mbedtls.c.

Function Documentation

mbedtls_x509_fingerprint()

static int mbedtls_x509_fingerprint ( char *  cert_buf, size_t  cert_sz, char **  fingerprint  )

static

Definition at line 45 of file tls_mbedtls.c.

Referenced by ff_ssl_gen_key_cert(), and ff_ssl_read_key_cert().

ff_ssl_read_key_cert()

int ff_ssl_read_key_cert	(	char *	key_url,
		char *	cert_url,
		char *	key_buf,
		size_t	key_sz,
		char *	cert_buf,
		size_t	cert_sz,
		char **	fingerprint
	)

Definition at line 74 of file tls_mbedtls.c.

mbedtls_gen_pkey()

static int mbedtls_gen_pkey ( mbedtls_pk_context *  key )

static

See RFC 8827 section 6.5, All implementations MUST support DTLS 1.2 with the TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256 cipher suite and the P-256 curve.

Definition at line 111 of file tls_mbedtls.c.

Referenced by ff_ssl_gen_key_cert(), and tls_open().

mbedtls_gen_x509_cert()

static int mbedtls_gen_x509_cert ( mbedtls_pk_context *  key, char *  cert_buf, size_t  cert_sz  )

static

Definition at line 149 of file tls_mbedtls.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 219 of file tls_mbedtls.c.

ff_tls_set_external_socket()

int ff_tls_set_external_socket	(	URLContext *	h,
		URLContext *	sock
	)

Definition at line 266 of file tls_mbedtls.c.

ff_dtls_export_materials()

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

Definition at line 300 of file tls_mbedtls.c.

tls_close()

static int tls_close ( URLContext *  h )

static

Definition at line 329 of file tls_mbedtls.c.

Referenced by tls_open().

handle_transport_error()

static int handle_transport_error ( URLContext *  h, const char *  func_name, int  react_on_eagain, int  ret  )

static

Definition at line 347 of file tls_mbedtls.c.

Referenced by mbedtls_recv(), and mbedtls_send().

mbedtls_send()

static int mbedtls_send ( void *  ctx, const unsigned char *  buf, size_t  len  )

static

Definition at line 364 of file tls_mbedtls.c.

Referenced by tls_open().

mbedtls_recv()

static int mbedtls_recv ( void *  ctx, unsigned char *  buf, size_t  len  )

static

Definition at line 379 of file tls_mbedtls.c.

Referenced by tls_open().

mbedtls_debug()

static void mbedtls_debug ( void *  ctx, int  lvl, const char *  file, int  line, const char *  msg  )

static

Definition at line 405 of file tls_mbedtls.c.

Referenced by tls_open().

handle_pk_parse_error()

static void handle_pk_parse_error ( URLContext *  h, int  ret  )

static

Definition at line 412 of file tls_mbedtls.c.

Referenced by tls_open().

handle_handshake_error()

static void handle_handshake_error ( URLContext *  h, int  ret  )

static

Definition at line 430 of file tls_mbedtls.c.

Referenced by tls_handshake().

tls_handshake()

static int tls_handshake ( URLContext *  h )

static

Definition at line 466 of file tls_mbedtls.c.

Referenced by tls_open().

tls_open()

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

static

Definition at line 489 of file tls_mbedtls.c.

Referenced by dtls_open().

dtls_open()

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

static

Definition at line 693 of file tls_mbedtls.c.

handle_tls_error()

static int handle_tls_error ( URLContext *  h, const char *  func_name, int  ret  )

static

Definition at line 701 of file tls_mbedtls.c.

Referenced by tls_read(), and tls_write().

tls_read()

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

static

Definition at line 723 of file tls_mbedtls.c.

tls_write()

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

static

Definition at line 740 of file tls_mbedtls.c.

tls_get_file_handle()

static int tls_get_file_handle ( URLContext *  h )

static

Definition at line 757 of file tls_mbedtls.c.

tls_get_short_seek()

static int tls_get_short_seek ( URLContext *  h )

static

Definition at line 763 of file tls_mbedtls.c.

Variable Documentation

options

const AVOption options[]

static

Initial value:

= {
    TLS_COMMON_OPTIONS(TLSContext, tls_shared), 
    {"key_password", "Password for the private key file", OFFSET(priv_key_pw),  AV_OPT_TYPE_STRING, .flags = TLS_OPTFL }, 
    { NULL }
}

Definition at line 769 of file tls_mbedtls.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 775 of file tls_mbedtls.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 782 of file tls_mbedtls.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 795 of file tls_mbedtls.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 802 of file tls_mbedtls.c.