mirror of
https://github.com/openssl/openssl.git
synced 2024-12-03 05:41:46 +08:00
c748834ff7
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de> Reviewed-by: Kurt Roeckx <kurt@roeckx.be> (Merged from https://github.com/openssl/openssl/pull/6340)
784 lines
23 KiB
C
784 lines
23 KiB
C
/*
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* Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#include <string.h>
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#include "internal/nelem.h"
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#include "ssltestlib.h"
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#include "testutil.h"
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#include "e_os.h"
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#ifdef OPENSSL_SYS_UNIX
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# include <unistd.h>
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static ossl_inline void ossl_sleep(unsigned int millis) {
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usleep(millis * 1000);
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}
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#elif defined(_WIN32)
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# include <windows.h>
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static ossl_inline void ossl_sleep(unsigned int millis) {
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Sleep(millis);
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}
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#else
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/* Fallback to a busy wait */
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static ossl_inline void ossl_sleep(unsigned int millis) {
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struct timeval start, now;
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unsigned int elapsedms;
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gettimeofday(&start, NULL);
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do {
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gettimeofday(&now, NULL);
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elapsedms = (((now.tv_sec - start.tv_sec) * 1000000)
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+ now.tv_usec - start.tv_usec) / 1000;
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} while (elapsedms < millis);
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}
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#endif
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static int tls_dump_new(BIO *bi);
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static int tls_dump_free(BIO *a);
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static int tls_dump_read(BIO *b, char *out, int outl);
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static int tls_dump_write(BIO *b, const char *in, int inl);
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static long tls_dump_ctrl(BIO *b, int cmd, long num, void *ptr);
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static int tls_dump_gets(BIO *bp, char *buf, int size);
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static int tls_dump_puts(BIO *bp, const char *str);
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/* Choose a sufficiently large type likely to be unused for this custom BIO */
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#define BIO_TYPE_TLS_DUMP_FILTER (0x80 | BIO_TYPE_FILTER)
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#define BIO_TYPE_MEMPACKET_TEST 0x81
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static BIO_METHOD *method_tls_dump = NULL;
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static BIO_METHOD *meth_mem = NULL;
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/* Note: Not thread safe! */
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const BIO_METHOD *bio_f_tls_dump_filter(void)
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{
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if (method_tls_dump == NULL) {
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method_tls_dump = BIO_meth_new(BIO_TYPE_TLS_DUMP_FILTER,
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"TLS dump filter");
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if ( method_tls_dump == NULL
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|| !BIO_meth_set_write(method_tls_dump, tls_dump_write)
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|| !BIO_meth_set_read(method_tls_dump, tls_dump_read)
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|| !BIO_meth_set_puts(method_tls_dump, tls_dump_puts)
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|| !BIO_meth_set_gets(method_tls_dump, tls_dump_gets)
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|| !BIO_meth_set_ctrl(method_tls_dump, tls_dump_ctrl)
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|| !BIO_meth_set_create(method_tls_dump, tls_dump_new)
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|| !BIO_meth_set_destroy(method_tls_dump, tls_dump_free))
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return NULL;
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}
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return method_tls_dump;
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}
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void bio_f_tls_dump_filter_free(void)
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{
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BIO_meth_free(method_tls_dump);
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}
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static int tls_dump_new(BIO *bio)
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{
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BIO_set_init(bio, 1);
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return 1;
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}
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static int tls_dump_free(BIO *bio)
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{
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BIO_set_init(bio, 0);
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return 1;
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}
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static void copy_flags(BIO *bio)
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{
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int flags;
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BIO *next = BIO_next(bio);
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flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
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BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
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BIO_set_flags(bio, flags);
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}
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#define RECORD_CONTENT_TYPE 0
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#define RECORD_VERSION_HI 1
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#define RECORD_VERSION_LO 2
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#define RECORD_EPOCH_HI 3
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#define RECORD_EPOCH_LO 4
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#define RECORD_SEQUENCE_START 5
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#define RECORD_SEQUENCE_END 10
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#define RECORD_LEN_HI 11
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#define RECORD_LEN_LO 12
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#define MSG_TYPE 0
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#define MSG_LEN_HI 1
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#define MSG_LEN_MID 2
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#define MSG_LEN_LO 3
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#define MSG_SEQ_HI 4
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#define MSG_SEQ_LO 5
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#define MSG_FRAG_OFF_HI 6
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#define MSG_FRAG_OFF_MID 7
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#define MSG_FRAG_OFF_LO 8
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#define MSG_FRAG_LEN_HI 9
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#define MSG_FRAG_LEN_MID 10
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#define MSG_FRAG_LEN_LO 11
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static void dump_data(const char *data, int len)
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{
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int rem, i, content, reclen, msglen, fragoff, fraglen, epoch;
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unsigned char *rec;
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printf("---- START OF PACKET ----\n");
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rem = len;
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rec = (unsigned char *)data;
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while (rem > 0) {
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if (rem != len)
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printf("*\n");
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printf("*---- START OF RECORD ----\n");
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if (rem < DTLS1_RT_HEADER_LENGTH) {
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printf("*---- RECORD TRUNCATED ----\n");
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break;
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}
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content = rec[RECORD_CONTENT_TYPE];
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printf("** Record Content-type: %d\n", content);
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printf("** Record Version: %02x%02x\n",
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rec[RECORD_VERSION_HI], rec[RECORD_VERSION_LO]);
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epoch = (rec[RECORD_EPOCH_HI] << 8) | rec[RECORD_EPOCH_LO];
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printf("** Record Epoch: %d\n", epoch);
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printf("** Record Sequence: ");
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for (i = RECORD_SEQUENCE_START; i <= RECORD_SEQUENCE_END; i++)
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printf("%02x", rec[i]);
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reclen = (rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO];
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printf("\n** Record Length: %d\n", reclen);
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/* Now look at message */
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rec += DTLS1_RT_HEADER_LENGTH;
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rem -= DTLS1_RT_HEADER_LENGTH;
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if (content == SSL3_RT_HANDSHAKE) {
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printf("**---- START OF HANDSHAKE MESSAGE FRAGMENT ----\n");
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if (epoch > 0) {
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printf("**---- HANDSHAKE MESSAGE FRAGMENT ENCRYPTED ----\n");
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} else if (rem < DTLS1_HM_HEADER_LENGTH
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|| reclen < DTLS1_HM_HEADER_LENGTH) {
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printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
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} else {
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printf("*** Message Type: %d\n", rec[MSG_TYPE]);
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msglen = (rec[MSG_LEN_HI] << 16) | (rec[MSG_LEN_MID] << 8)
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| rec[MSG_LEN_LO];
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printf("*** Message Length: %d\n", msglen);
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printf("*** Message sequence: %d\n",
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(rec[MSG_SEQ_HI] << 8) | rec[MSG_SEQ_LO]);
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fragoff = (rec[MSG_FRAG_OFF_HI] << 16)
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| (rec[MSG_FRAG_OFF_MID] << 8)
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| rec[MSG_FRAG_OFF_LO];
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printf("*** Message Fragment offset: %d\n", fragoff);
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fraglen = (rec[MSG_FRAG_LEN_HI] << 16)
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| (rec[MSG_FRAG_LEN_MID] << 8)
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| rec[MSG_FRAG_LEN_LO];
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printf("*** Message Fragment len: %d\n", fraglen);
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if (fragoff + fraglen > msglen)
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printf("***---- HANDSHAKE MESSAGE FRAGMENT INVALID ----\n");
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else if (reclen < fraglen)
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printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
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else
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printf("**---- END OF HANDSHAKE MESSAGE FRAGMENT ----\n");
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}
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}
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if (rem < reclen) {
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printf("*---- RECORD TRUNCATED ----\n");
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rem = 0;
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} else {
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rec += reclen;
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rem -= reclen;
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printf("*---- END OF RECORD ----\n");
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}
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}
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printf("---- END OF PACKET ----\n\n");
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fflush(stdout);
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}
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static int tls_dump_read(BIO *bio, char *out, int outl)
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{
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int ret;
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BIO *next = BIO_next(bio);
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ret = BIO_read(next, out, outl);
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copy_flags(bio);
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if (ret > 0) {
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dump_data(out, ret);
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}
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return ret;
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}
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static int tls_dump_write(BIO *bio, const char *in, int inl)
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{
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int ret;
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BIO *next = BIO_next(bio);
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ret = BIO_write(next, in, inl);
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copy_flags(bio);
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return ret;
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}
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static long tls_dump_ctrl(BIO *bio, int cmd, long num, void *ptr)
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{
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long ret;
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BIO *next = BIO_next(bio);
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if (next == NULL)
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return 0;
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switch (cmd) {
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case BIO_CTRL_DUP:
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ret = 0L;
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break;
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default:
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ret = BIO_ctrl(next, cmd, num, ptr);
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break;
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}
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return ret;
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}
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static int tls_dump_gets(BIO *bio, char *buf, int size)
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{
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/* We don't support this - not needed anyway */
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return -1;
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}
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static int tls_dump_puts(BIO *bio, const char *str)
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{
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return tls_dump_write(bio, str, strlen(str));
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}
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struct mempacket_st {
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unsigned char *data;
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int len;
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unsigned int num;
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unsigned int type;
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};
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static void mempacket_free(MEMPACKET *pkt)
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{
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if (pkt->data != NULL)
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OPENSSL_free(pkt->data);
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OPENSSL_free(pkt);
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}
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typedef struct mempacket_test_ctx_st {
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STACK_OF(MEMPACKET) *pkts;
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unsigned int epoch;
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unsigned int currrec;
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unsigned int currpkt;
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unsigned int lastpkt;
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unsigned int injected;
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unsigned int noinject;
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unsigned int dropepoch;
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int droprec;
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} MEMPACKET_TEST_CTX;
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static int mempacket_test_new(BIO *bi);
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static int mempacket_test_free(BIO *a);
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static int mempacket_test_read(BIO *b, char *out, int outl);
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static int mempacket_test_write(BIO *b, const char *in, int inl);
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static long mempacket_test_ctrl(BIO *b, int cmd, long num, void *ptr);
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static int mempacket_test_gets(BIO *bp, char *buf, int size);
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static int mempacket_test_puts(BIO *bp, const char *str);
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const BIO_METHOD *bio_s_mempacket_test(void)
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{
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if (meth_mem == NULL) {
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if (!TEST_ptr(meth_mem = BIO_meth_new(BIO_TYPE_MEMPACKET_TEST,
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"Mem Packet Test"))
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|| !TEST_true(BIO_meth_set_write(meth_mem, mempacket_test_write))
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|| !TEST_true(BIO_meth_set_read(meth_mem, mempacket_test_read))
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|| !TEST_true(BIO_meth_set_puts(meth_mem, mempacket_test_puts))
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|| !TEST_true(BIO_meth_set_gets(meth_mem, mempacket_test_gets))
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|| !TEST_true(BIO_meth_set_ctrl(meth_mem, mempacket_test_ctrl))
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|| !TEST_true(BIO_meth_set_create(meth_mem, mempacket_test_new))
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|| !TEST_true(BIO_meth_set_destroy(meth_mem, mempacket_test_free)))
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return NULL;
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}
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return meth_mem;
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}
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void bio_s_mempacket_test_free(void)
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{
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BIO_meth_free(meth_mem);
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}
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static int mempacket_test_new(BIO *bio)
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{
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MEMPACKET_TEST_CTX *ctx;
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if (!TEST_ptr(ctx = OPENSSL_zalloc(sizeof(*ctx))))
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return 0;
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if (!TEST_ptr(ctx->pkts = sk_MEMPACKET_new_null())) {
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OPENSSL_free(ctx);
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return 0;
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}
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ctx->dropepoch = 0;
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ctx->droprec = -1;
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BIO_set_init(bio, 1);
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BIO_set_data(bio, ctx);
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return 1;
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}
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static int mempacket_test_free(BIO *bio)
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{
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MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
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sk_MEMPACKET_pop_free(ctx->pkts, mempacket_free);
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OPENSSL_free(ctx);
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BIO_set_data(bio, NULL);
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BIO_set_init(bio, 0);
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return 1;
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}
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/* Record Header values */
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#define EPOCH_HI 3
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#define EPOCH_LO 4
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#define RECORD_SEQUENCE 10
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#define RECORD_LEN_HI 11
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#define RECORD_LEN_LO 12
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#define STANDARD_PACKET 0
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static int mempacket_test_read(BIO *bio, char *out, int outl)
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{
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MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
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MEMPACKET *thispkt;
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unsigned char *rec;
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int rem;
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unsigned int seq, offset, len, epoch;
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BIO_clear_retry_flags(bio);
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thispkt = sk_MEMPACKET_value(ctx->pkts, 0);
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if (thispkt == NULL || thispkt->num != ctx->currpkt) {
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/* Probably run out of data */
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BIO_set_retry_read(bio);
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return -1;
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}
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(void)sk_MEMPACKET_shift(ctx->pkts);
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ctx->currpkt++;
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if (outl > thispkt->len)
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outl = thispkt->len;
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if (thispkt->type != INJECT_PACKET_IGNORE_REC_SEQ
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&& (ctx->injected || ctx->droprec >= 0)) {
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/*
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* Overwrite the record sequence number. We strictly number them in
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* the order received. Since we are actually a reliable transport
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* we know that there won't be any re-ordering. We overwrite to deal
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* with any packets that have been injected
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*/
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for (rem = thispkt->len, rec = thispkt->data; rem > 0; rem -= len) {
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if (rem < DTLS1_RT_HEADER_LENGTH)
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return -1;
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epoch = (rec[EPOCH_HI] << 8) | rec[EPOCH_LO];
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if (epoch != ctx->epoch) {
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ctx->epoch = epoch;
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ctx->currrec = 0;
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}
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seq = ctx->currrec;
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offset = 0;
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do {
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rec[RECORD_SEQUENCE - offset] = seq & 0xFF;
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seq >>= 8;
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offset++;
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} while (seq > 0);
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len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO])
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+ DTLS1_RT_HEADER_LENGTH;
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if (rem < (int)len)
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return -1;
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if (ctx->droprec == (int)ctx->currrec && ctx->dropepoch == epoch) {
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if (rem > (int)len)
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memmove(rec, rec + len, rem - len);
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outl -= len;
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ctx->droprec = -1;
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if (outl == 0)
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BIO_set_retry_read(bio);
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} else {
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rec += len;
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}
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ctx->currrec++;
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}
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}
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memcpy(out, thispkt->data, outl);
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mempacket_free(thispkt);
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return outl;
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}
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int mempacket_test_inject(BIO *bio, const char *in, int inl, int pktnum,
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int type)
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{
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MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
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MEMPACKET *thispkt, *looppkt, *nextpkt;
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int i;
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if (ctx == NULL)
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return -1;
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/* We only allow injection before we've started writing any data */
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if (pktnum >= 0) {
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if (ctx->noinject)
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return -1;
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ctx->injected = 1;
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} else {
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ctx->noinject = 1;
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}
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if (!TEST_ptr(thispkt = OPENSSL_malloc(sizeof(*thispkt))))
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return -1;
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if (!TEST_ptr(thispkt->data = OPENSSL_malloc(inl))) {
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mempacket_free(thispkt);
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return -1;
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}
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memcpy(thispkt->data, in, inl);
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thispkt->len = inl;
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thispkt->num = (pktnum >= 0) ? (unsigned int)pktnum : ctx->lastpkt;
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thispkt->type = type;
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for(i = 0; (looppkt = sk_MEMPACKET_value(ctx->pkts, i)) != NULL; i++) {
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/* Check if we found the right place to insert this packet */
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if (looppkt->num > thispkt->num) {
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if (sk_MEMPACKET_insert(ctx->pkts, thispkt, i) == 0) {
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mempacket_free(thispkt);
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return -1;
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}
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/* If we're doing up front injection then we're done */
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if (pktnum >= 0)
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return inl;
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/*
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* We need to do some accounting on lastpkt. We increment it first,
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* but it might now equal the value of injected packets, so we need
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* to skip over those
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*/
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ctx->lastpkt++;
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do {
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i++;
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nextpkt = sk_MEMPACKET_value(ctx->pkts, i);
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if (nextpkt != NULL && nextpkt->num == ctx->lastpkt)
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ctx->lastpkt++;
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else
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return inl;
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} while(1);
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} else if (looppkt->num == thispkt->num) {
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if (!ctx->noinject) {
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/* We injected two packets with the same packet number! */
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return -1;
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}
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ctx->lastpkt++;
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thispkt->num++;
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}
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}
|
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/*
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* We didn't find any packets with a packet number equal to or greater than
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* this one, so we just add it onto the end
|
|
*/
|
|
if (!sk_MEMPACKET_push(ctx->pkts, thispkt)) {
|
|
mempacket_free(thispkt);
|
|
return -1;
|
|
}
|
|
|
|
if (pktnum < 0)
|
|
ctx->lastpkt++;
|
|
|
|
return inl;
|
|
}
|
|
|
|
static int mempacket_test_write(BIO *bio, const char *in, int inl)
|
|
{
|
|
return mempacket_test_inject(bio, in, inl, -1, STANDARD_PACKET);
|
|
}
|
|
|
|
static long mempacket_test_ctrl(BIO *bio, int cmd, long num, void *ptr)
|
|
{
|
|
long ret = 1;
|
|
MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
|
|
MEMPACKET *thispkt;
|
|
|
|
switch (cmd) {
|
|
case BIO_CTRL_EOF:
|
|
ret = (long)(sk_MEMPACKET_num(ctx->pkts) == 0);
|
|
break;
|
|
case BIO_CTRL_GET_CLOSE:
|
|
ret = BIO_get_shutdown(bio);
|
|
break;
|
|
case BIO_CTRL_SET_CLOSE:
|
|
BIO_set_shutdown(bio, (int)num);
|
|
break;
|
|
case BIO_CTRL_WPENDING:
|
|
ret = 0L;
|
|
break;
|
|
case BIO_CTRL_PENDING:
|
|
thispkt = sk_MEMPACKET_value(ctx->pkts, 0);
|
|
if (thispkt == NULL)
|
|
ret = 0;
|
|
else
|
|
ret = thispkt->len;
|
|
break;
|
|
case BIO_CTRL_FLUSH:
|
|
ret = 1;
|
|
break;
|
|
case MEMPACKET_CTRL_SET_DROP_EPOCH:
|
|
ctx->dropepoch = (unsigned int)num;
|
|
break;
|
|
case MEMPACKET_CTRL_SET_DROP_REC:
|
|
ctx->droprec = (int)num;
|
|
break;
|
|
case MEMPACKET_CTRL_GET_DROP_REC:
|
|
ret = ctx->droprec;
|
|
break;
|
|
case BIO_CTRL_RESET:
|
|
case BIO_CTRL_DUP:
|
|
case BIO_CTRL_PUSH:
|
|
case BIO_CTRL_POP:
|
|
default:
|
|
ret = 0;
|
|
break;
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static int mempacket_test_gets(BIO *bio, char *buf, int size)
|
|
{
|
|
/* We don't support this - not needed anyway */
|
|
return -1;
|
|
}
|
|
|
|
static int mempacket_test_puts(BIO *bio, const char *str)
|
|
{
|
|
return mempacket_test_write(bio, str, strlen(str));
|
|
}
|
|
|
|
int create_ssl_ctx_pair(const SSL_METHOD *sm, const SSL_METHOD *cm,
|
|
int min_proto_version, int max_proto_version,
|
|
SSL_CTX **sctx, SSL_CTX **cctx, char *certfile,
|
|
char *privkeyfile)
|
|
{
|
|
SSL_CTX *serverctx = NULL;
|
|
SSL_CTX *clientctx = NULL;
|
|
|
|
if (!TEST_ptr(serverctx = SSL_CTX_new(sm))
|
|
|| (cctx != NULL && !TEST_ptr(clientctx = SSL_CTX_new(cm))))
|
|
goto err;
|
|
|
|
if ((min_proto_version > 0
|
|
&& !TEST_true(SSL_CTX_set_min_proto_version(serverctx,
|
|
min_proto_version)))
|
|
|| (max_proto_version > 0
|
|
&& !TEST_true(SSL_CTX_set_max_proto_version(serverctx,
|
|
max_proto_version))))
|
|
goto err;
|
|
if (clientctx != NULL
|
|
&& ((min_proto_version > 0
|
|
&& !TEST_true(SSL_CTX_set_min_proto_version(clientctx,
|
|
min_proto_version)))
|
|
|| (max_proto_version > 0
|
|
&& !TEST_true(SSL_CTX_set_max_proto_version(clientctx,
|
|
max_proto_version)))))
|
|
goto err;
|
|
|
|
if (certfile != NULL && privkeyfile != NULL) {
|
|
if (!TEST_int_eq(SSL_CTX_use_certificate_file(serverctx, certfile,
|
|
SSL_FILETYPE_PEM), 1)
|
|
|| !TEST_int_eq(SSL_CTX_use_PrivateKey_file(serverctx,
|
|
privkeyfile,
|
|
SSL_FILETYPE_PEM), 1)
|
|
|| !TEST_int_eq(SSL_CTX_check_private_key(serverctx), 1))
|
|
goto err;
|
|
}
|
|
|
|
#ifndef OPENSSL_NO_DH
|
|
SSL_CTX_set_dh_auto(serverctx, 1);
|
|
#endif
|
|
|
|
*sctx = serverctx;
|
|
if (cctx != NULL)
|
|
*cctx = clientctx;
|
|
return 1;
|
|
|
|
err:
|
|
SSL_CTX_free(serverctx);
|
|
SSL_CTX_free(clientctx);
|
|
return 0;
|
|
}
|
|
|
|
#define MAXLOOPS 1000000
|
|
|
|
/*
|
|
* NOTE: Transfers control of the BIOs - this function will free them on error
|
|
*/
|
|
int create_ssl_objects(SSL_CTX *serverctx, SSL_CTX *clientctx, SSL **sssl,
|
|
SSL **cssl, BIO *s_to_c_fbio, BIO *c_to_s_fbio)
|
|
{
|
|
SSL *serverssl = NULL, *clientssl = NULL;
|
|
BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL;
|
|
|
|
if (*sssl != NULL)
|
|
serverssl = *sssl;
|
|
else if (!TEST_ptr(serverssl = SSL_new(serverctx)))
|
|
goto error;
|
|
if (*cssl != NULL)
|
|
clientssl = *cssl;
|
|
else if (!TEST_ptr(clientssl = SSL_new(clientctx)))
|
|
goto error;
|
|
|
|
if (SSL_is_dtls(clientssl)) {
|
|
if (!TEST_ptr(s_to_c_bio = BIO_new(bio_s_mempacket_test()))
|
|
|| !TEST_ptr(c_to_s_bio = BIO_new(bio_s_mempacket_test())))
|
|
goto error;
|
|
} else {
|
|
if (!TEST_ptr(s_to_c_bio = BIO_new(BIO_s_mem()))
|
|
|| !TEST_ptr(c_to_s_bio = BIO_new(BIO_s_mem())))
|
|
goto error;
|
|
}
|
|
|
|
if (s_to_c_fbio != NULL
|
|
&& !TEST_ptr(s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio)))
|
|
goto error;
|
|
if (c_to_s_fbio != NULL
|
|
&& !TEST_ptr(c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio)))
|
|
goto error;
|
|
|
|
/* Set Non-blocking IO behaviour */
|
|
BIO_set_mem_eof_return(s_to_c_bio, -1);
|
|
BIO_set_mem_eof_return(c_to_s_bio, -1);
|
|
|
|
/* Up ref these as we are passing them to two SSL objects */
|
|
SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio);
|
|
BIO_up_ref(s_to_c_bio);
|
|
BIO_up_ref(c_to_s_bio);
|
|
SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio);
|
|
*sssl = serverssl;
|
|
*cssl = clientssl;
|
|
return 1;
|
|
|
|
error:
|
|
SSL_free(serverssl);
|
|
SSL_free(clientssl);
|
|
BIO_free(s_to_c_bio);
|
|
BIO_free(c_to_s_bio);
|
|
BIO_free(s_to_c_fbio);
|
|
BIO_free(c_to_s_fbio);
|
|
|
|
return 0;
|
|
}
|
|
|
|
/*
|
|
* Create an SSL connection, but does not ready any post-handshake
|
|
* NewSessionTicket messages.
|
|
*/
|
|
int create_bare_ssl_connection(SSL *serverssl, SSL *clientssl, int want)
|
|
{
|
|
int retc = -1, rets = -1, err, abortctr = 0;
|
|
int clienterr = 0, servererr = 0;
|
|
int isdtls = SSL_is_dtls(serverssl);
|
|
|
|
do {
|
|
err = SSL_ERROR_WANT_WRITE;
|
|
while (!clienterr && retc <= 0 && err == SSL_ERROR_WANT_WRITE) {
|
|
retc = SSL_connect(clientssl);
|
|
if (retc <= 0)
|
|
err = SSL_get_error(clientssl, retc);
|
|
}
|
|
|
|
if (!clienterr && retc <= 0 && err != SSL_ERROR_WANT_READ) {
|
|
TEST_info("SSL_connect() failed %d, %d", retc, err);
|
|
clienterr = 1;
|
|
}
|
|
if (want != SSL_ERROR_NONE && err == want)
|
|
return 0;
|
|
|
|
err = SSL_ERROR_WANT_WRITE;
|
|
while (!servererr && rets <= 0 && err == SSL_ERROR_WANT_WRITE) {
|
|
rets = SSL_accept(serverssl);
|
|
if (rets <= 0)
|
|
err = SSL_get_error(serverssl, rets);
|
|
}
|
|
|
|
if (!servererr && rets <= 0 && err != SSL_ERROR_WANT_READ) {
|
|
TEST_info("SSL_accept() failed %d, %d", rets, err);
|
|
servererr = 1;
|
|
}
|
|
if (want != SSL_ERROR_NONE && err == want)
|
|
return 0;
|
|
if (clienterr && servererr)
|
|
return 0;
|
|
if (isdtls) {
|
|
if (rets > 0 && retc <= 0)
|
|
DTLSv1_handle_timeout(serverssl);
|
|
if (retc > 0 && rets <= 0)
|
|
DTLSv1_handle_timeout(clientssl);
|
|
}
|
|
if (++abortctr == MAXLOOPS) {
|
|
TEST_info("No progress made");
|
|
return 0;
|
|
}
|
|
if (isdtls && abortctr <= 50 && (abortctr % 10) == 0) {
|
|
/*
|
|
* It looks like we're just spinning. Pause for a short period to
|
|
* give the DTLS timer a chance to do something. We only do this for
|
|
* the first few times to prevent hangs.
|
|
*/
|
|
ossl_sleep(50);
|
|
}
|
|
} while (retc <=0 || rets <= 0);
|
|
|
|
return 1;
|
|
}
|
|
|
|
/*
|
|
* Create an SSL connection including any post handshake NewSessionTicket
|
|
* messages.
|
|
*/
|
|
int create_ssl_connection(SSL *serverssl, SSL *clientssl, int want)
|
|
{
|
|
int i;
|
|
unsigned char buf;
|
|
size_t readbytes;
|
|
|
|
if (!create_bare_ssl_connection(serverssl, clientssl, want))
|
|
return 0;
|
|
|
|
/*
|
|
* We attempt to read some data on the client side which we expect to fail.
|
|
* This will ensure we have received the NewSessionTicket in TLSv1.3 where
|
|
* appropriate. We do this twice because there are 2 NewSesionTickets.
|
|
*/
|
|
for (i = 0; i < 2; i++) {
|
|
if (SSL_read_ex(clientssl, &buf, sizeof(buf), &readbytes) > 0) {
|
|
if (!TEST_ulong_eq(readbytes, 0))
|
|
return 0;
|
|
} else if (!TEST_int_eq(SSL_get_error(clientssl, 0),
|
|
SSL_ERROR_WANT_READ)) {
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
return 1;
|
|
}
|
|
|
|
void shutdown_ssl_connection(SSL *serverssl, SSL *clientssl)
|
|
{
|
|
SSL_shutdown(clientssl);
|
|
SSL_shutdown(serverssl);
|
|
SSL_free(serverssl);
|
|
SSL_free(clientssl);
|
|
}
|