dropbear: fuzz/fuzz-common.c annotate

annotate fuzz/fuzz-common.c @ 1757:517fb7b62438

Add some more variation to fuzzer random number generation

author	Matt Johnston <matt@ucc.asn.au>
date	Fri, 23 Oct 2020 23:32:44 +0800
parents	d5680e12ac33
children	1365661f6be6

rev	line source
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	1 #include "includes.h"
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	2
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	3 #include "includes.h"
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	4 #include "fuzz.h"
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	5 #include "dbutil.h"
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	6 #include "runopts.h"
1353 f3c8975de38e setup svr_dropbear_exit Matt Johnston <matt@ucc.asn.au> parents: 1350 diff changeset	7 #include "crypto_desc.h"
f3c8975de38e setup svr_dropbear_exit Matt Johnston <matt@ucc.asn.au> parents: 1350 diff changeset	8 #include "session.h"
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	9 #include "dbrandom.h"
1457 32f990cc96b1 fix bad assertion Matt Johnston <matt@ucc.asn.au> parents: 1456 diff changeset	10 #include "bignum.h"
1751 3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	11 #include "atomicio.h"
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	12 #include "fuzz-wrapfd.h"
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	13
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	14 struct dropbear_fuzz_options fuzz;
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	15
1373 9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	16 static void fuzz_dropbear_log(int UNUSED(priority), const char* format, va_list param);
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	17 static void load_fixed_hostkeys(void);
1751 3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	18 static void load_fixed_client_key(void);
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	19
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	20 void fuzz_common_setup(void) {
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	21 disallow_core();
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	22 fuzz.fuzzing = 1;
1357 08f4fa4dc6a0 closer to working Matt Johnston <matt@ucc.asn.au> parents: 1356 diff changeset	23 fuzz.wrapfds = 1;
1385 6c92e97553f1 Add a flag whether to longjmp, missed that last commit Matt Johnston <matt@ucc.asn.au> parents: 1383 diff changeset	24 fuzz.do_jmp = 1;
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	25 fuzz.input = m_malloc(sizeof(buffer));
1373 9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	26 _dropbear_log = fuzz_dropbear_log;
1350 2722f2347a48 crypto_init() Matt Johnston <matt@ucc.asn.au> parents: 1348 diff changeset	27 crypto_init();
1757 517fb7b62438 Add some more variation to fuzzer random number generation Matt Johnston <matt@ucc.asn.au> parents: 1756 diff changeset	28 fuzz_seed("start", 5);
1529 66a1a2547133 The fuzzer has managed to generated DSS key/signature pairs that Matt Johnston <matt@ucc.asn.au> parents: 1457 diff changeset	29 /* let any messages get flushed */
66a1a2547133 The fuzzer has managed to generated DSS key/signature pairs that Matt Johnston <matt@ucc.asn.au> parents: 1457 diff changeset	30 setlinebuf(stdout);
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	31 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	32
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	33 int fuzz_set_input(const uint8_t *Data, size_t Size) {
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	34
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	35 fuzz.input->data = (unsigned char*)Data;
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	36 fuzz.input->size = Size;
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	37 fuzz.input->len = Size;
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	38 fuzz.input->pos = 0;
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	39
1358 6b89eb92f872 glaring wrapfd problems fixed Matt Johnston <matt@ucc.asn.au> parents: 1357 diff changeset	40 memset(&ses, 0x0, sizeof(ses));
6b89eb92f872 glaring wrapfd problems fixed Matt Johnston <matt@ucc.asn.au> parents: 1357 diff changeset	41 memset(&svr_ses, 0x0, sizeof(svr_ses));
1742 6e71440b1e47 Add fuzzer-client_nomaths, fix client fuzzer Matt Johnston <matt@ucc.asn.au> parents: 1741 diff changeset	42 memset(&cli_ses, 0x0, sizeof(cli_ses));
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	43 wrapfd_setup(fuzz.input);
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	44
1757 517fb7b62438 Add some more variation to fuzzer random number generation Matt Johnston <matt@ucc.asn.au> parents: 1756 diff changeset	45 fuzz_seed(fuzz.input->data, MIN(fuzz.input->len, 16));
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	46
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	47 return DROPBEAR_SUCCESS;
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	48 }
3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	49
1558 2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	50 #if DEBUG_TRACE
1373 9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	51 static void fuzz_dropbear_log(int UNUSED(priority), const char* format, va_list param) {
9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	52 if (debug_trace) {
1558 2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	53 char printbuf[1024];
1373 9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	54 vsnprintf(printbuf, sizeof(printbuf), format, param);
9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	55 fprintf(stderr, "%s\n", printbuf);
9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	56 }
9891bc31a1b3 fuzzers disable logging by default Matt Johnston <matt@ucc.asn.au> parents: 1369 diff changeset	57 }
1558 2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	58 #else
2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	59 static void fuzz_dropbear_log(int UNUSED(priority), const char* UNUSED(format), va_list UNUSED(param)) {
2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	60 /* No print */
2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	61 }
2f64cb3d3007 - #if not #ifdef for DROPBEAR_FUZZ Matt Johnston <matt@ucc.asn.au> parents: 1529 diff changeset	62 #endif /* DEBUG_TRACE */
1356 3677a510f545 add wrapfd. improve fuzzer in makefile Matt Johnston <matt@ucc.asn.au> parents: 1353 diff changeset	63
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	64 void fuzz_svr_setup(void) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	65 fuzz_common_setup();
1353 f3c8975de38e setup svr_dropbear_exit Matt Johnston <matt@ucc.asn.au> parents: 1350 diff changeset	66
f3c8975de38e setup svr_dropbear_exit Matt Johnston <matt@ucc.asn.au> parents: 1350 diff changeset	67 _dropbear_exit = svr_dropbear_exit;
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	68
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	69 char *argv[] = {
1742 6e71440b1e47 Add fuzzer-client_nomaths, fix client fuzzer Matt Johnston <matt@ucc.asn.au> parents: 1741 diff changeset	70 "dropbear",
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	71 "-E",
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	72 };
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	73
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	74 int argc = sizeof(argv) / sizeof(*argv);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	75 svr_getopts(argc, argv);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	76
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	77 load_fixed_hostkeys();
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	78 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	79
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	80 void fuzz_cli_setup(void) {
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	81 fuzz_common_setup();
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	82
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	83 _dropbear_exit = cli_dropbear_exit;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	84 _dropbear_log = cli_dropbear_log;
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	85
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	86 char *argv[] = {
1742 6e71440b1e47 Add fuzzer-client_nomaths, fix client fuzzer Matt Johnston <matt@ucc.asn.au> parents: 1741 diff changeset	87 "dbclient",
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	88 "-y",
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	89 "localhost",
1751 3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	90 "uptime"
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	91 };
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	92
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	93 int argc = sizeof(argv) / sizeof(*argv);
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	94 cli_getopts(argc, argv);
1751 3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	95
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	96 load_fixed_client_key();
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	97 /* Avoid password prompt */
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	98 setenv(DROPBEAR_PASSWORD_ENV, "password", 1);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	99 }
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	100
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	101 #include "fuzz-hostkeys.c"
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	102
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	103 static void load_fixed_client_key(void) {
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	104
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	105 buffer *b = buf_new(3000);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	106 sign_key *key;
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	107 enum signkey_type keytype;
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	108
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	109 key = new_sign_key();
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	110 keytype = DROPBEAR_SIGNKEY_ANY;
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	111 buf_putbytes(b, keyed25519, keyed25519_len);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	112 buf_setpos(b, 0);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	113 if (buf_get_priv_key(b, key, &keytype) == DROPBEAR_FAILURE) {
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	114 dropbear_exit("failed fixed ed25519 hostkey");
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	115 }
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	116 list_append(cli_opts.privkeys, key);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	117
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	118 buf_free(b);
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	119 }
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	120
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	121 static void load_fixed_hostkeys(void) {
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	122
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	123 buffer *b = buf_new(3000);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	124 enum signkey_type type;
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	125
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	126 TRACE(("load fixed hostkeys"))
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	127
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	128 svr_opts.hostkey = new_sign_key();
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	129
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	130 buf_setlen(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	131 buf_putbytes(b, keyr, keyr_len);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	132 buf_setpos(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	133 type = DROPBEAR_SIGNKEY_RSA;
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	134 if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	135 dropbear_exit("failed fixed rsa hostkey");
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	136 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	137
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	138 buf_setlen(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	139 buf_putbytes(b, keyd, keyd_len);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	140 buf_setpos(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	141 type = DROPBEAR_SIGNKEY_DSS;
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	142 if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	143 dropbear_exit("failed fixed dss hostkey");
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	144 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	145
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	146 buf_setlen(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	147 buf_putbytes(b, keye, keye_len);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	148 buf_setpos(b, 0);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	149 type = DROPBEAR_SIGNKEY_ECDSA_NISTP256;
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	150 if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	151 dropbear_exit("failed fixed ecdsa hostkey");
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	152 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	153
1659 d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	154 buf_setlen(b, 0);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	155 buf_putbytes(b, keyed25519, keyed25519_len);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	156 buf_setpos(b, 0);
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	157 type = DROPBEAR_SIGNKEY_ED25519;
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	158 if (buf_get_priv_key(b, svr_opts.hostkey, &type) == DROPBEAR_FAILURE) {
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	159 dropbear_exit("failed fixed ed25519 hostkey");
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	160 }
d32bcb5c557d Add Ed25519 support (#91) Vladislav Grishenko <themiron@users.noreply.github.com> parents: 1589 diff changeset	161
1348 5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	162 buf_free(b);
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	163 }
5c2899e35b63 fuzz harness Matt Johnston <matt@ucc.asn.au> parents: diff changeset	164
1357 08f4fa4dc6a0 closer to working Matt Johnston <matt@ucc.asn.au> parents: 1356 diff changeset	165 void fuzz_kex_fakealgos(void) {
08f4fa4dc6a0 closer to working Matt Johnston <matt@ucc.asn.au> parents: 1356 diff changeset	166 ses.newkeys->recv.crypt_mode = &dropbear_mode_none;
08f4fa4dc6a0 closer to working Matt Johnston <matt@ucc.asn.au> parents: 1356 diff changeset	167 }
1383 f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	168
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	169 void fuzz_get_socket_address(int UNUSED(fd), char local_host, char local_port,
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	170 char remote_host, char remote_port, int UNUSED(host_lookup)) {
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	171 if (local_host) {
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	172 *local_host = m_strdup("fuzzlocalhost");
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	173 }
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	174 if (local_port) {
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	175 *local_port = m_strdup("1234");
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	176 }
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	177 if (remote_host) {
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	178 *remote_host = m_strdup("fuzzremotehost");
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	179 }
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	180 if (remote_port) {
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	181 *remote_port = m_strdup("9876");
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	182 }
f03cfe9c76ac Disable setnonblocking(), get_socket_address(), set_sock_priority() Matt Johnston <matt@ucc.asn.au> parents: 1377 diff changeset	183 }
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	184
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	185 /* cut down version of svr_send_msg_kexdh_reply() that skips slow maths. Still populates structures */
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	186 void fuzz_fake_send_kexdh_reply(void) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	187 assert(!ses.dh_K);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	188 m_mp_alloc_init_multi(&ses.dh_K, NULL);
1692 1051e4eea25a Update LibTomMath to 1.2.0 (#84) Steffen Jaeckel <s@jaeckel.eu> parents: 1659 diff changeset	189 mp_set_ul(ses.dh_K, 12345678uL);
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	190 finish_kexhashbuf();
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	191 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	192
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	193 /* fake version of spawn_command() */
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	194 int fuzz_spawn_command(int ret_writefd, int ret_readfd, int ret_errfd, pid_t ret_pid) {
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	195 *ret_writefd = wrapfd_new();
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	196 *ret_readfd = wrapfd_new();
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	197 if (ret_errfd) {
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	198 *ret_errfd = wrapfd_new();
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	199 }
1742 6e71440b1e47 Add fuzzer-client_nomaths, fix client fuzzer Matt Johnston <matt@ucc.asn.au> parents: 1741 diff changeset	200 *ret_pid = 999;
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	201 return DROPBEAR_SUCCESS;
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	202 }
dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	203
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	204 int fuzz_run_preauth(const uint8_t *Data, size_t Size, int skip_kexmaths) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	205 static int once = 0;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	206 if (!once) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	207 fuzz_svr_setup();
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	208 fuzz.skip_kexmaths = skip_kexmaths;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	209 once = 1;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	210 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	211
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	212 if (fuzz_set_input(Data, Size) == DROPBEAR_FAILURE) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	213 return 0;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	214 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	215
1559 92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	216 /*
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	217 get prefix, allowing for future extensibility. input format is
1559 92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	218 string prefix
92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	219 uint32 wrapfd seed
92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	220 ... to be extended later
92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	221 [bytes] ssh input stream
92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	222 */
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	223
1559 92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	224 /* be careful to avoid triggering buffer.c assertions */
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	225 if (fuzz.input->len < 8) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	226 return 0;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	227 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	228 size_t prefix_size = buf_getint(fuzz.input);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	229 if (prefix_size != 4) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	230 return 0;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	231 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	232 uint32_t wrapseed = buf_getint(fuzz.input);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	233 wrapfd_setseed(wrapseed);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	234
1740 dfbe947bdf0d Make wrapfd share a common buffer for all FDs Matt Johnston <matt@ucc.asn.au> parents: 1692 diff changeset	235 int fakesock = wrapfd_new();
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	236
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	237 m_malloc_set_epoch(1);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	238 if (setjmp(fuzz.jmp) == 0) {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	239 svr_session(fakesock, fakesock);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	240 m_malloc_free_epoch(1, 0);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	241 } else {
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	242 m_malloc_free_epoch(1, 1);
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	243 TRACE(("dropbear_exit longjmped"))
1559 92c93b4a3646 Fix to be able to compile normal(ish) binaries with --enable-fuzz Matt Johnston <matt@ucc.asn.au> parents: 1558 diff changeset	244 /* dropbear_exit jumped here */
1456 a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	245 }
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	246
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	247 return 0;
a90fdd2d2ed8 add fuzzer-preauth_nomaths Matt Johnston <matt@ucc.asn.au> parents: 1386 diff changeset	248 }
1589 35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	249
1741 d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	250 int fuzz_run_client(const uint8_t *Data, size_t Size, int skip_kexmaths) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	251 static int once = 0;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	252 if (!once) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	253 fuzz_cli_setup();
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	254 fuzz.skip_kexmaths = skip_kexmaths;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	255 once = 1;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	256 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	257
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	258 if (fuzz_set_input(Data, Size) == DROPBEAR_FAILURE) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	259 return 0;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	260 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	261
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	262 /*
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	263 get prefix, allowing for future extensibility. input format is
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	264 string prefix
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	265 uint32 wrapfd seed
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	266 ... to be extended later
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	267 [bytes] ssh input stream
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	268 */
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	269
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	270 /* be careful to avoid triggering buffer.c assertions */
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	271 if (fuzz.input->len < 8) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	272 return 0;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	273 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	274 size_t prefix_size = buf_getint(fuzz.input);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	275 if (prefix_size != 4) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	276 return 0;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	277 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	278 uint32_t wrapseed = buf_getint(fuzz.input);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	279 wrapfd_setseed(wrapseed);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	280
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	281 int fakesock = wrapfd_new();
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	282
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	283 m_malloc_set_epoch(1);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	284 if (setjmp(fuzz.jmp) == 0) {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	285 cli_session(fakesock, fakesock, NULL, 0);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	286 m_malloc_free_epoch(1, 0);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	287 } else {
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	288 m_malloc_free_epoch(1, 1);
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	289 TRACE(("dropbear_exit longjmped"))
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	290 /* dropbear_exit jumped here */
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	291 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	292
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	293 return 0;
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	294 }
d1b279aa5ed1 Get client fuzzer building and starting (fails straight away) Matt Johnston <matt@ucc.asn.au> parents: 1740 diff changeset	295
1589 35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	296 const void* fuzz_get_algo(const algo_type algos, const char name) {
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	297 const algo_type *t;
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	298 for (t = algos; t->name; t++) {
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	299 if (strcmp(t->name, name) == 0) {
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	300 return t->data;
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	301 }
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	302 }
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	303 assert(0);
35af85194268 Add kexdh and kexecdh fuzzers Matt Johnston <matt@ucc.asn.au> parents: 1559 diff changeset	304 }
1751 3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	305
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	306 void fuzz_dump(const unsigned char* data, size_t len) {
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	307 TRACE(("dump %zu", len))
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	308 if (fuzz.dumping) {
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	309 assert(atomicio(vwrite, fuzz.recv_dumpfd, (void*)data, len) == len);
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	310 }
3b9b427925a0 Load password and key for client fuzzer. Matt Johnston <matt@ucc.asn.au> parents: 1742 diff changeset	311 }

Mercurial > dropbear

annotate fuzz/fuzz-common.c @ 1757:517fb7b62438