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1 /*
2 * (C) 2007-22 - ntop.org and contributors
3 *
4 * This program is free software; you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation; either version 3 of the License, or
7 * (at your option) any later version.
8 *
9 * This program is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, see <http://www.gnu.org/licenses/>
16 *
17 */
18
19 #include <inttypes.h>
20
21 #include "n2n.h"
22 #include "hexdump.h"
23
24 #define DURATION 2.5 // test duration per algorithm
25 #define PACKETS_BEFORE_GETTIME 2047 // do not check time after every packet but after (2 ^ n - 1)
26
27
28 uint8_t PKT_CONTENT[]={
29 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,
30 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,
31 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,
32 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,
33 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,
34 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,
35 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,
36 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,
37 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,
38 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,
39 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,
40 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,
41 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,
42 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,
43 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,
44 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
45 };
46
47 /* Prototypes */
48 static ssize_t do_encode_packet ( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c );
49 static void run_transop_benchmark (const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf);
50
51
52 int main (int argc, char * argv[]) {
53
54 uint8_t pktbuf[N2N_PKT_BUF_SIZE];
55 n2n_trans_op_t transop_null, transop_tf;
56 n2n_trans_op_t transop_aes;
57 n2n_trans_op_t transop_cc20;
58 n2n_trans_op_t transop_speck;
59 n2n_trans_op_t transop_lzo;
60 #ifdef HAVE_ZSTD
61 n2n_trans_op_t transop_zstd;
62 #endif
63 n2n_edge_conf_t conf;
64
65 /* Init configuration */
66 edge_init_conf_defaults(&conf);
67 strncpy((char *)conf.community_name, "abc123def456", sizeof(conf.community_name));
68 conf.encrypt_key = "SoMEVer!S$cUREPassWORD";
69
70 char *test_name = "environment";
71 printf("%s: community_name = \"%s\"\n", test_name, conf.community_name);
72 printf("%s: encrypt_key = \"%s\"\n", test_name, conf.encrypt_key);
73 printf("%s: input size = 0x%" PRIx64 "\n", test_name, sizeof(PKT_CONTENT));
74 fhexdump(0, PKT_CONTENT, sizeof(PKT_CONTENT), stdout);
75 printf("\n");
76
77 /* Init transopts */
78 n2n_transop_null_init(&conf, &transop_null);
79 n2n_transop_tf_init(&conf, &transop_tf);
80 n2n_transop_aes_init(&conf, &transop_aes);
81 n2n_transop_cc20_init(&conf, &transop_cc20);
82 n2n_transop_speck_init(&conf, &transop_speck);
83 n2n_transop_lzo_init(&conf, &transop_lzo);
84 #ifdef HAVE_ZSTD
85 n2n_transop_zstd_init(&conf, &transop_zstd);
86 #endif
87
88 /* Run the tests */
89 /* FIXME: interop tests are pretty useless without the expected encrypted buffer data */
90 run_transop_benchmark("null", &transop_null, &conf, pktbuf);
91 run_transop_benchmark("tf", &transop_tf, &conf, pktbuf);
92 run_transop_benchmark("aes", &transop_aes, &conf, pktbuf);
93 run_transop_benchmark("cc20", &transop_cc20, &conf, pktbuf);
94 run_transop_benchmark("speck", &transop_speck, &conf, pktbuf);
95 run_transop_benchmark("lzo", &transop_lzo, &conf, pktbuf);
96 #ifdef HAVE_ZSTD
97 run_transop_benchmark("zstd", &transop_zstd, &conf, pktbuf);
98 #else
99 // FIXME - output dummy data to the stdout for easy comparison
100 printf("zstd: output size = 0x47\n");
101 printf("000: 03 02 00 03 61 62 63 31 32 33 64 65 66 34 35 36 | abc123def456|\n");
102 printf("010: 00 00 00 00 00 00 00 00 00 01 02 03 04 05 00 01 | |\n");
103 printf("020: 02 03 04 05 00 00 28 b5 2f fd 60 00 01 bd 00 00 | ( / ` |\n");
104 printf("030: 80 00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e | |\n");
105 printf("040: 0f 01 00 da 47 9d 4b | G K|\n");
106
107 fprintf(stderr, "%s: not compiled - dummy data output\n", "zstd");
108 printf("\n");
109 #endif
110
111 /* Cleanup */
112 transop_null.deinit(&transop_null);
113 transop_tf.deinit(&transop_tf);
114 transop_aes.deinit(&transop_aes);
115 transop_cc20.deinit(&transop_cc20);
116 transop_speck.deinit(&transop_speck);
117 transop_lzo.deinit(&transop_lzo);
118 #ifdef HAVE_ZSTD
119 transop_zstd.deinit(&transop_zstd);
120 #endif
121
122 return 0;
123 }
124
125 // --- transop benchmark ------------------------------------------------------------------
126
127 static void run_transop_benchmark (const char *op_name, n2n_trans_op_t *op_fn, n2n_edge_conf_t *conf, uint8_t *pktbuf) {
128 n2n_common_t cmn;
129 n2n_PACKET_t pkt;
130 n2n_mac_t mac_buf;
131 uint8_t decodebuf[N2N_PKT_BUF_SIZE];
132 size_t idx;
133 size_t rem;
134 size_t nw;
135
136 // encryption
137 memset(mac_buf, 0, sizeof(mac_buf));
138
139 nw = do_encode_packet( pktbuf, N2N_PKT_BUF_SIZE, conf->community_name);
140 nw += op_fn->fwd(op_fn,
141 pktbuf+nw, N2N_PKT_BUF_SIZE-nw,
142 PKT_CONTENT, sizeof(PKT_CONTENT), mac_buf);
143
144 printf("%s: output size = 0x%" PRIx64 "\n", op_name, nw);
145 fhexdump(0, pktbuf, nw, stdout);
146
147 // decrpytion
148 idx=0;
149 rem=nw;
150 decode_common( &cmn, pktbuf, &rem, &idx);
151 decode_PACKET( &pkt, &cmn, pktbuf, &rem, &idx );
152 op_fn->rev(op_fn, decodebuf, sizeof(decodebuf), pktbuf+idx, rem, 0);
153
154 if(memcmp(decodebuf, PKT_CONTENT, sizeof(PKT_CONTENT)) != 0) {
155 fprintf(stderr, "%s: round-trip buffer mismatch\n", op_name);
156 exit(1);
157 }
158
159 fprintf(stderr, "%s: tested\n", op_name);
160 printf("\n");
161 }
162
163
164 static ssize_t do_encode_packet ( uint8_t * pktbuf, size_t bufsize, const n2n_community_t c )
165 {
166 // FIXME: this is a parameter of the test environment
167 n2n_mac_t destMac={0,1,2,3,4,5};
168
169 n2n_common_t cmn;
170 n2n_PACKET_t pkt;
171 size_t idx;
172
173
174 memset( &cmn, 0, sizeof(cmn) );
175 cmn.ttl = N2N_DEFAULT_TTL;
176 cmn.pc = n2n_packet;
177 cmn.flags=0; /* no options, not from supernode, no socket */
178 memcpy( cmn.community, c, N2N_COMMUNITY_SIZE );
179
180 memset( &pkt, 0, sizeof(pkt) );
181 memcpy( pkt.srcMac, destMac, N2N_MAC_SIZE);
182 memcpy( pkt.dstMac, destMac, N2N_MAC_SIZE);
183
184 pkt.sock.family=0; /* do not encode sock */
185
186 idx=0;
187 encode_PACKET( pktbuf, &idx, &cmn, &pkt );
188 traceEvent( TRACE_DEBUG, "encoded PACKET header of size=%u", (unsigned int)idx );
189
190 return idx;
191 }