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n2n/tools/tests-transform.c
Hamish Coleman 771fdec013 iwyu: tools/test*.c
2023-06-18 11:34:28 +01:00

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/*
* (C) 2007-22 - ntop.org and contributors
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>
*
*/
#include <inttypes.h> // for PRIx64
#include <stdint.h> // for uint8_t
#include <stdio.h> // for printf, fprintf, size_t, stderr, stdout
#include <stdlib.h> // for exit
#include <string.h> // for memcpy, memset, memcmp, strncpy
#include <sys/types.h> // for ssize_t
#include "hexdump.h" // for fhexdump
#include "n2n.h" // for n2n_trans_op_t, n2n_edge_conf_t, n2n_common_t
#include "n2n_wire.h" // for decode_PACKET, decode_common, encode_PACKET
#define DURATION 2.5 // test duration per algorithm
#define PACKETS_BEFORE_GETTIME 2047 // do not check time after every packet but after (2 ^ n - 1)
uint8_t PKT_CONTENT[]={
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,
0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15, 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15
};
/* Prototypes */
static ssize_t do_encode_packet ( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c );
static void run_transop_benchmark (const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf);
int main (int argc, char * argv[]) {
uint8_t pktbuf[N2N_PKT_BUF_SIZE];
n2n_trans_op_t transop_null, transop_tf;
n2n_trans_op_t transop_aes;
n2n_trans_op_t transop_cc20;
n2n_trans_op_t transop_speck;
n2n_trans_op_t transop_lzo;
#ifdef HAVE_ZSTD
n2n_trans_op_t transop_zstd;
#endif
n2n_edge_conf_t conf;
/* Init configuration */
edge_init_conf_defaults(&conf);
strncpy((char *)conf.community_name, "abc123def456", sizeof(conf.community_name));
conf.encrypt_key = "SoMEVer!S$cUREPassWORD";
char *test_name = "environment";
printf("%s: community_name = \"%s\"\n", test_name, conf.community_name);
printf("%s: encrypt_key = \"%s\"\n", test_name, conf.encrypt_key);
printf("%s: input size = 0x%" PRIx64 "\n", test_name, sizeof(PKT_CONTENT));
fhexdump(0, PKT_CONTENT, sizeof(PKT_CONTENT), stdout);
printf("\n");
/* Init transopts */
n2n_transop_null_init(&conf, &transop_null);
n2n_transop_tf_init(&conf, &transop_tf);
n2n_transop_aes_init(&conf, &transop_aes);
n2n_transop_cc20_init(&conf, &transop_cc20);
n2n_transop_speck_init(&conf, &transop_speck);
n2n_transop_lzo_init(&conf, &transop_lzo);
#ifdef HAVE_ZSTD
n2n_transop_zstd_init(&conf, &transop_zstd);
#endif
/* Run the tests */
/* FIXME: interop tests are pretty useless without the expected encrypted buffer data */
run_transop_benchmark("null", &transop_null, &conf, pktbuf);
run_transop_benchmark("tf", &transop_tf, &conf, pktbuf);
run_transop_benchmark("aes", &transop_aes, &conf, pktbuf);
run_transop_benchmark("cc20", &transop_cc20, &conf, pktbuf);
run_transop_benchmark("speck", &transop_speck, &conf, pktbuf);
run_transop_benchmark("lzo", &transop_lzo, &conf, pktbuf);
#ifdef HAVE_ZSTD
run_transop_benchmark("zstd", &transop_zstd, &conf, pktbuf);
#else
// FIXME - output dummy data to the stdout for easy comparison
printf("zstd: output size = 0x47\n");
printf("000: 03 02 00 03 61 62 63 31 32 33 64 65 66 34 35 36 | abc123def456|\n");
printf("010: 00 00 00 00 00 00 00 00 00 01 02 03 04 05 00 01 | |\n");
printf("020: 02 03 04 05 00 00 28 b5 2f fd 60 00 01 bd 00 00 | ( / ` |\n");
printf("030: 80 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e | |\n");
printf("040: 0f 01 00 da 47 9d 4b | G K|\n");
fprintf(stderr, "%s: not compiled - dummy data output\n", "zstd");
printf("\n");
#endif
/* Cleanup */
transop_null.deinit(&transop_null);
transop_tf.deinit(&transop_tf);
transop_aes.deinit(&transop_aes);
transop_cc20.deinit(&transop_cc20);
transop_speck.deinit(&transop_speck);
transop_lzo.deinit(&transop_lzo);
#ifdef HAVE_ZSTD
transop_zstd.deinit(&transop_zstd);
#endif
return 0;
}
// --- transop benchmark ------------------------------------------------------------------
static void run_transop_benchmark (const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf) {
n2n_common_t cmn;
n2n_PACKET_t pkt;
n2n_mac_t mac_buf;
uint8_t decodebuf[N2N_PKT_BUF_SIZE];
size_t idx;
size_t rem;
size_t nw;
// encryption
memset(mac_buf, 0, sizeof(mac_buf));
nw = do_encode_packet( pktbuf, N2N_PKT_BUF_SIZE, conf->community_name);
nw += op_fn->fwd(op_fn,
pktbuf+nw, N2N_PKT_BUF_SIZE-nw,
PKT_CONTENT, sizeof(PKT_CONTENT), mac_buf);
printf("%s: output size = 0x%" PRIx64 "\n", op_name, nw);
fhexdump(0, pktbuf, nw, stdout);
// decrpytion
idx=0;
rem=nw;
decode_common( &cmn, pktbuf, &rem, &idx);
decode_PACKET( &pkt, &cmn, pktbuf, &rem, &idx );
op_fn->rev(op_fn, decodebuf, sizeof(decodebuf), pktbuf+idx, rem, 0);
if(memcmp(decodebuf, PKT_CONTENT, sizeof(PKT_CONTENT)) != 0) {
fprintf(stderr, "%s: round-trip buffer mismatch\n", op_name);
exit(1);
}
fprintf(stderr, "%s: tested\n", op_name);
printf("\n");
}
static ssize_t do_encode_packet ( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c )
{
// FIXME: this is a parameter of the test environment
n2n_mac_t destMac={0,1,2,3,4,5};
n2n_common_t cmn;
n2n_PACKET_t pkt;
size_t idx;
memset( &cmn, 0, sizeof(cmn) );
cmn.ttl = N2N_DEFAULT_TTL;
cmn.pc = n2n_packet;
cmn.flags=0; /* no options, not from supernode, no socket */
memcpy( cmn.community, c, N2N_COMMUNITY_SIZE );
memset( &pkt, 0, sizeof(pkt) );
memcpy( pkt.srcMac, destMac, N2N_MAC_SIZE);
memcpy( pkt.dstMac, destMac, N2N_MAC_SIZE);
pkt.sock.family=0; /* do not encode sock */
idx=0;
encode_PACKET( pktbuf, &idx, &cmn, &pkt );
traceEvent( TRACE_DEBUG, "encoded PACKET header of size=%u", (unsigned int)idx );
return idx;
}
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