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Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tomas Mraz <tomas@openssl.org> (Merged from #23022)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,198 @@ | ||
| /* | ||
| * Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. | ||
| * | ||
| * Licensed under the Apache License 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * https://www.openssl.org/source/license.html | ||
| * or in the file LICENSE in the source distribution. | ||
| */ | ||
|
|
||
| #include <openssl/ssl.h> | ||
| #include <openssl/err.h> | ||
| #include <openssl/bio.h> | ||
| #include "fuzzer.h" | ||
| #include "internal/quic_rcidm.h" | ||
| #include "internal/packet.h" | ||
|
|
||
| int FuzzerInitialize(int *argc, char ***argv) | ||
| { | ||
| FuzzerSetRand(); | ||
| OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS | OPENSSL_INIT_ASYNC, NULL); | ||
| OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL); | ||
| ERR_clear_error(); | ||
| return 1; | ||
| } | ||
|
|
||
| /* | ||
| * Fuzzer input "protocol": | ||
| * Big endian | ||
| * Zero or more of: | ||
| * RESET_WITH_ODCID u8(0x00) u8(cidl):cid | ||
| * RESET_WITHOUT_ODCID u8(0x01) | ||
| * (free and reallocate) | ||
| * ADD_FROM_INITIAL u8(0x02) u8(cidl):cid | ||
| * ADD_FROM_SERVER_RETRY u8(0x03) u8(cidl):cid | ||
| * ADD_FROM_NCID u8(0x04) u64(seq_num) | ||
| * u64(retire_prior_to) u8(cidl):cid | ||
| * ON_HANDSHAKE_COMPLETE u8(0x05) | ||
| * ON_PACKET_SENT u8(0x06) u64(num_pkt) | ||
| * REQUEST_ROLL u8(0x07) | ||
| * POP_RETIRE_SEQ_NUM u8(0x08) | ||
| * PEEK_RETIRE_SEQ_NUM u8(0x09) | ||
| * GET_PREFERRED_TX_DCID u8(0x0A) | ||
| * GET_PREFERRED_TX_DCID_CHANGED u8(0x0B) u8(clear) | ||
| */ | ||
|
|
||
| enum { | ||
| CMD_RESET_WITH_ODCID, | ||
| CMD_RESET_WITHOUT_ODCID, | ||
| CMD_ADD_FROM_INITIAL, | ||
| CMD_ADD_FROM_SERVER_RETRY, | ||
| CMD_ADD_FROM_NCID, | ||
| CMD_ON_HANDSHAKE_COMPLETE, | ||
| CMD_ON_PACKET_SENT, | ||
| CMD_REQUEST_ROLL, | ||
| CMD_POP_RETIRE_SEQ_NUM, | ||
| CMD_PEEK_RETIRE_SEQ_NUM, | ||
| CMD_GET_PREFERRED_TX_DCID, | ||
| CMD_GET_PREFERRED_TX_DCID_CHANGED | ||
| }; | ||
|
|
||
| static int get_cid(PACKET *pkt, QUIC_CONN_ID *cid) | ||
| { | ||
| unsigned int cidl; | ||
|
|
||
| if (!PACKET_get_1(pkt, &cidl) | ||
| || cidl > QUIC_MAX_CONN_ID_LEN | ||
| || !PACKET_copy_bytes(pkt, cid->id, cidl)) | ||
| return 0; | ||
|
|
||
| cid->id_len = (unsigned char)cidl; | ||
| return 1; | ||
| } | ||
|
|
||
| int FuzzerTestOneInput(const uint8_t *buf, size_t len) | ||
| { | ||
| int rc = 0; | ||
| QUIC_RCIDM *rcidm = NULL; | ||
| PACKET pkt; | ||
| uint64_t seq_num_out, arg_num_pkt; | ||
| unsigned int cmd, arg_clear; | ||
| QUIC_CONN_ID arg_cid, cid_out; | ||
| OSSL_QUIC_FRAME_NEW_CONN_ID ncid_frame; | ||
|
|
||
| if (!PACKET_buf_init(&pkt, buf, len)) | ||
| goto err; | ||
|
|
||
| if ((rcidm = ossl_quic_rcidm_new(NULL)) == NULL) | ||
| goto err; | ||
|
|
||
| while (PACKET_remaining(&pkt) > 0) { | ||
| if (!PACKET_get_1(&pkt, &cmd)) | ||
| goto err; | ||
|
|
||
| switch (cmd) { | ||
| case CMD_RESET_WITH_ODCID: | ||
| if (!get_cid(&pkt, &arg_cid)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_free(rcidm); | ||
|
|
||
| if ((rcidm = ossl_quic_rcidm_new(&arg_cid)) == NULL) | ||
| goto err; | ||
|
|
||
| break; | ||
|
|
||
| case CMD_RESET_WITHOUT_ODCID: | ||
| ossl_quic_rcidm_free(rcidm); | ||
|
|
||
| if ((rcidm = ossl_quic_rcidm_new(NULL)) == NULL) | ||
| goto err; | ||
|
|
||
| break; | ||
|
|
||
| case CMD_ADD_FROM_INITIAL: | ||
| if (!get_cid(&pkt, &arg_cid)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_add_from_initial(rcidm, &arg_cid); | ||
| break; | ||
|
|
||
| case CMD_ADD_FROM_SERVER_RETRY: | ||
| if (!get_cid(&pkt, &arg_cid)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_add_from_initial(rcidm, &arg_cid); | ||
| break; | ||
|
|
||
| case CMD_ADD_FROM_NCID: | ||
| if (!PACKET_get_net_8(&pkt, &ncid_frame.seq_num) | ||
| || !PACKET_get_net_8(&pkt, &ncid_frame.retire_prior_to) | ||
| || !get_cid(&pkt, &ncid_frame.conn_id)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_add_from_ncid(rcidm, &ncid_frame); | ||
| break; | ||
|
|
||
| case CMD_ON_HANDSHAKE_COMPLETE: | ||
| ossl_quic_rcidm_on_handshake_complete(rcidm); | ||
| break; | ||
|
|
||
| case CMD_ON_PACKET_SENT: | ||
| if (!PACKET_get_net_8(&pkt, &arg_num_pkt)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_on_packet_sent(rcidm, arg_num_pkt); | ||
| break; | ||
|
|
||
| case CMD_REQUEST_ROLL: | ||
| ossl_quic_rcidm_request_roll(rcidm); | ||
| break; | ||
|
|
||
| case CMD_POP_RETIRE_SEQ_NUM: | ||
| ossl_quic_rcidm_pop_retire_seq_num(rcidm, &seq_num_out); | ||
| break; | ||
|
|
||
| case CMD_PEEK_RETIRE_SEQ_NUM: | ||
| ossl_quic_rcidm_peek_retire_seq_num(rcidm, &seq_num_out); | ||
| break; | ||
|
|
||
| case CMD_GET_PREFERRED_TX_DCID: | ||
| ossl_quic_rcidm_get_preferred_tx_dcid(rcidm, &cid_out); | ||
| break; | ||
|
|
||
| case CMD_GET_PREFERRED_TX_DCID_CHANGED: | ||
| if (!PACKET_get_1(&pkt, &arg_clear)) { | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
|
|
||
| ossl_quic_rcidm_get_preferred_tx_dcid_changed(rcidm, arg_clear); | ||
| break; | ||
|
|
||
| default: | ||
| rc = -1; | ||
| goto err; | ||
| } | ||
| } | ||
|
|
||
| err: | ||
| ossl_quic_rcidm_free(rcidm); | ||
| return rc; | ||
| } | ||
|
|
||
| void FuzzerCleanup(void) | ||
| { | ||
| FuzzerClearRand(); | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| #!/usr/bin/env perl | ||
| # Copyright 2023 The OpenSSL Project Authors. All Rights Reserved. | ||
| # | ||
| # Licensed under the Apache License 2.0 (the "License"). You may not use | ||
| # this file except in compliance with the License. You can obtain a copy | ||
| # in the file LICENSE in the source distribution or at | ||
| # https://www.openssl.org/source/license.html | ||
|
|
||
| use strict; | ||
| use warnings; | ||
|
|
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| use OpenSSL::Test qw/:DEFAULT srctop_file/; | ||
| use OpenSSL::Test::Utils; | ||
|
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| my $fuzzer = "quic-rcidm"; | ||
| setup("test_fuzz_${fuzzer}"); | ||
|
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| plan skip_all => "This test requires quic support" | ||
| if disabled("quic"); | ||
|
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| plan tests => 2; # one more due to below require_ok(...) | ||
|
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| require_ok(srctop_file('test','recipes','fuzz.pl')); | ||
|
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| fuzz_ok($fuzzer); |