From 36d22d82aa202bb199967e9512281e9a53db42c9 Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 21:33:14 +0200 Subject: Adding upstream version 115.7.0esr. Signed-off-by: Daniel Baumann --- third_party/libsrtp/src/test/rtp_decoder.h | 117 +++++++++++++++++++++++++++++ 1 file changed, 117 insertions(+) create mode 100644 third_party/libsrtp/src/test/rtp_decoder.h (limited to 'third_party/libsrtp/src/test/rtp_decoder.h') diff --git a/third_party/libsrtp/src/test/rtp_decoder.h b/third_party/libsrtp/src/test/rtp_decoder.h new file mode 100644 index 0000000000..955caf640e --- /dev/null +++ b/third_party/libsrtp/src/test/rtp_decoder.h @@ -0,0 +1,117 @@ +/* + * rtp_decoder.h + * + * decoder structures and functions for SRTP pcap decoder + * + * Bernardo Torres + * + * Some structure and code from https://github.com/gteissier/srtp-decrypt + * + */ +/* + * + * Copyright (c) 2001-2017 Cisco Systems, Inc. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above + * copyright notice, this list of conditions and the following + * disclaimer in the documentation and/or other materials provided + * with the distribution. + * + * Neither the name of the Cisco Systems, Inc. nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS + * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE + * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, + * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED + * OF THE POSSIBILITY OF SUCH DAMAGE. + * + */ + +#ifndef RTP_DECODER_H +#define RTP_DECODER_H + +#include "srtp_priv.h" +#include "rtp.h" + +#define DEFAULT_RTP_OFFSET 42 + +typedef enum { + mode_rtp = 0, + mode_rtcp, + mode_rtcp_mux, +} rtp_decoder_mode_t; + +typedef struct rtp_decoder_ctx_t { + srtp_policy_t policy; + srtp_ctx_t *srtp_ctx; + rtp_decoder_mode_t mode; + int rtp_offset; + struct timeval start_tv; + int frame_nr; + int error_cnt; + int rtp_cnt; + int rtcp_cnt; +} rtp_decoder_ctx_t; + +typedef struct rtp_decoder_ctx_t *rtp_decoder_t; + +/* + * prints the output of a random buffer in hexadecimal + */ +void hexdump(const void *ptr, size_t size); + +/* + * the function usage() prints an error message describing how this + * program should be called, then calls exit() + */ +void usage(char *prog_name); + +/* + * transforms base64 key into octet + */ +char *decode_sdes(char *in, char *out); + +/* + * pcap handling + */ +void rtp_decoder_handle_pkt(u_char *arg, + const struct pcap_pkthdr *hdr, + const u_char *bytes); + +rtp_decoder_t rtp_decoder_alloc(void); + +void rtp_decoder_dealloc(rtp_decoder_t rtp_ctx); + +int rtp_decoder_init(rtp_decoder_t dcdr, + srtp_policy_t policy, + rtp_decoder_mode_t mode, + int rtp_packet_offset); + +int rtp_decoder_deinit(rtp_decoder_t decoder); + +void rtp_decoder_srtp_log_handler(srtp_log_level_t level, + const char *msg, + void *data); + +void rtp_decoder_srtp_log_handler(srtp_log_level_t level, + const char *msg, + void *data); + +#endif /* RTP_DECODER_H */ -- cgit v1.2.3