| Index: libsrtp/test/dtls_srtp_driver.c
|
| ===================================================================
|
| --- libsrtp/test/dtls_srtp_driver.c (revision 0)
|
| +++ libsrtp/test/dtls_srtp_driver.c (revision 0)
|
| @@ -0,0 +1,261 @@
|
| +/*
|
| + * dtls_srtp_driver.c
|
| + *
|
| + * test driver for DTLS-SRTP functions
|
| + *
|
| + * David McGrew
|
| + * Cisco Systems, Inc.
|
| + */
|
| +/*
|
| + *
|
| + * Copyright (c) 2001-2006 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.
|
| + *
|
| + */
|
| +
|
| +#include <stdio.h> /* for printf() */
|
| +#include "getopt_s.h" /* for local getopt() */
|
| +#include "srtp_priv.h"
|
| +
|
| +err_status_t
|
| +test_dtls_srtp(void);
|
| +
|
| +srtp_hdr_t *
|
| +srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc);
|
| +
|
| +void
|
| +usage(char *prog_name) {
|
| + printf("usage: %s [ -t ][ -c ][ -v ][-d <debug_module> ]* [ -l ]\n"
|
| + " -d <mod> turn on debugging module <mod>\n"
|
| + " -l list debugging modules\n", prog_name);
|
| + exit(1);
|
| +}
|
| +
|
| +int
|
| +main(int argc, char *argv[]) {
|
| + unsigned do_list_mods = 0;
|
| + int q;
|
| + err_status_t err;
|
| +
|
| + printf("dtls_srtp_driver\n");
|
| +
|
| + /* initialize srtp library */
|
| + err = srtp_init();
|
| + if (err) {
|
| + printf("error: srtp init failed with error code %d\n", err);
|
| + exit(1);
|
| + }
|
| +
|
| + /* process input arguments */
|
| + while (1) {
|
| + q = getopt_s(argc, argv, "ld:");
|
| + if (q == -1)
|
| + break;
|
| + switch (q) {
|
| + case 'l':
|
| + do_list_mods = 1;
|
| + break;
|
| + case 'd':
|
| + err = crypto_kernel_set_debug_module(optarg_s, 1);
|
| + if (err) {
|
| + printf("error: set debug module (%s) failed\n", optarg_s);
|
| + exit(1);
|
| + }
|
| + break;
|
| + default:
|
| + usage(argv[0]);
|
| + }
|
| + }
|
| +
|
| + if (do_list_mods) {
|
| + err = crypto_kernel_list_debug_modules();
|
| + if (err) {
|
| + printf("error: list of debug modules failed\n");
|
| + exit(1);
|
| + }
|
| + }
|
| +
|
| + printf("testing dtls_srtp...");
|
| + err = test_dtls_srtp();
|
| + if (err) {
|
| + printf("\nerror (code %d)\n", err);
|
| + exit(1);
|
| + }
|
| + printf("passed\n");
|
| +
|
| + /* shut down srtp library */
|
| + err = srtp_shutdown();
|
| + if (err) {
|
| + printf("error: srtp shutdown failed with error code %d\n", err);
|
| + exit(1);
|
| + }
|
| +
|
| + return 0;
|
| +}
|
| +
|
| +
|
| +err_status_t
|
| +test_dtls_srtp(void) {
|
| + srtp_hdr_t *test_packet;
|
| + int test_packet_len = 80;
|
| + srtp_t s;
|
| + srtp_policy_t policy;
|
| + uint8_t key[SRTP_MAX_KEY_LEN];
|
| + uint8_t salt[SRTP_MAX_KEY_LEN];
|
| + unsigned int key_len, salt_len;
|
| + srtp_profile_t profile;
|
| + err_status_t err;
|
| +
|
| + /* create a 'null' SRTP session */
|
| + err = srtp_create(&s, NULL);
|
| + if (err)
|
| + return err;
|
| +
|
| + /*
|
| + * verify that packet-processing functions behave properly - we
|
| + * expect that these functions will return err_status_no_ctx
|
| + */
|
| + test_packet = srtp_create_test_packet(80, 0xa5a5a5a5);
|
| + if (test_packet == NULL)
|
| + return err_status_alloc_fail;
|
| + err = srtp_protect(s, test_packet, &test_packet_len);
|
| + if (err != err_status_no_ctx) {
|
| + printf("wrong return value from srtp_protect() (got code %d)\n",
|
| + err);
|
| + return err_status_fail;
|
| + }
|
| + err = srtp_unprotect(s, test_packet, &test_packet_len);
|
| + if (err != err_status_no_ctx) {
|
| + printf("wrong return value from srtp_unprotect() (got code %d)\n",
|
| + err);
|
| + return err_status_fail;
|
| + }
|
| + err = srtp_protect_rtcp(s, test_packet, &test_packet_len);
|
| + if (err != err_status_no_ctx) {
|
| + printf("wrong return value from srtp_protect_rtcp() (got code %d)\n",
|
| + err);
|
| + return err_status_fail;
|
| + }
|
| + err = srtp_unprotect_rtcp(s, test_packet, &test_packet_len);
|
| + if (err != err_status_no_ctx) {
|
| + printf("wrong return value from srtp_unprotect_rtcp() (got code %d)\n",
|
| + err);
|
| + return err_status_fail;
|
| + }
|
| +
|
| +
|
| + /*
|
| + * set keys to known values for testing
|
| + */
|
| + profile = srtp_profile_aes128_cm_sha1_80;
|
| + key_len = srtp_profile_get_master_key_length(profile);
|
| + salt_len = srtp_profile_get_master_salt_length(profile);
|
| + memset(key, 0xff, key_len);
|
| + memset(salt, 0xee, salt_len);
|
| + append_salt_to_key(key, key_len, salt, salt_len);
|
| + policy.key = key;
|
| +
|
| + /* initialize SRTP policy from profile */
|
| + err = crypto_policy_set_from_profile_for_rtp(&policy.rtp, profile);
|
| + if (err) return err;
|
| + err = crypto_policy_set_from_profile_for_rtcp(&policy.rtcp, profile);
|
| + if (err) return err;
|
| + policy.ssrc.type = ssrc_any_inbound;
|
| + policy.ekt = NULL;
|
| + policy.window_size = 128;
|
| + policy.allow_repeat_tx = 0;
|
| + policy.next = NULL;
|
| +
|
| + err = srtp_add_stream(s, &policy);
|
| + if (err)
|
| + return err;
|
| +
|
| + err = srtp_dealloc(s);
|
| + if (err)
|
| + return err;
|
| +
|
| + free(test_packet);
|
| +
|
| + return err_status_ok;
|
| +}
|
| +
|
| +
|
| +
|
| +/*
|
| + * srtp_create_test_packet(len, ssrc) returns a pointer to a
|
| + * (malloced) example RTP packet whose data field has the length given
|
| + * by pkt_octet_len and the SSRC value ssrc. The total length of the
|
| + * packet is twelve octets longer, since the header is at the
|
| + * beginning. There is room at the end of the packet for a trailer,
|
| + * and the four octets following the packet are filled with 0xff
|
| + * values to enable testing for overwrites.
|
| + *
|
| + * note that the location of the test packet can (and should) be
|
| + * deallocated with the free() call once it is no longer needed.
|
| + */
|
| +
|
| +srtp_hdr_t *
|
| +srtp_create_test_packet(int pkt_octet_len, uint32_t ssrc) {
|
| + int i;
|
| + uint8_t *buffer;
|
| + srtp_hdr_t *hdr;
|
| + int bytes_in_hdr = 12;
|
| +
|
| + /* allocate memory for test packet */
|
| + hdr = malloc(pkt_octet_len + bytes_in_hdr
|
| + + SRTP_MAX_TRAILER_LEN + 4);
|
| + if (!hdr)
|
| + return NULL;
|
| +
|
| + hdr->version = 2; /* RTP version two */
|
| + hdr->p = 0; /* no padding needed */
|
| + hdr->x = 0; /* no header extension */
|
| + hdr->cc = 0; /* no CSRCs */
|
| + hdr->m = 0; /* marker bit */
|
| + hdr->pt = 0xf; /* payload type */
|
| + hdr->seq = htons(0x1234); /* sequence number */
|
| + hdr->ts = htonl(0xdecafbad); /* timestamp */
|
| + hdr->ssrc = htonl(ssrc); /* synch. source */
|
| +
|
| + buffer = (uint8_t *)hdr;
|
| + buffer += bytes_in_hdr;
|
| +
|
| + /* set RTP data to 0xab */
|
| + for (i=0; i < pkt_octet_len; i++)
|
| + *buffer++ = 0xab;
|
| +
|
| + /* set post-data value to 0xffff to enable overrun checking */
|
| + for (i=0; i < SRTP_MAX_TRAILER_LEN+4; i++)
|
| + *buffer++ = 0xff;
|
| +
|
| + return hdr;
|
| +}
|
|
|
| Property changes on: libsrtp/test/dtls_srtp_driver.c
|
| ___________________________________________________________________
|
| Added: svn:eol-style
|
| + LF
|
|
|
|
|