+++ /dev/null
-/*
- * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
- *
- * Licensed under the OpenSSL license (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
- */
-
-#include <string.h>
-
-#include "ssltestlib.h"
-
-static int tls_dump_new(BIO *bi);
-static int tls_dump_free(BIO *a);
-static int tls_dump_read(BIO *b, char *out, int outl);
-static int tls_dump_write(BIO *b, const char *in, int inl);
-static long tls_dump_ctrl(BIO *b, int cmd, long num, void *ptr);
-static int tls_dump_gets(BIO *bp, char *buf, int size);
-static int tls_dump_puts(BIO *bp, const char *str);
-
-/* Choose a sufficiently large type likely to be unused for this custom BIO */
-# define BIO_TYPE_TLS_DUMP_FILTER (0x80 | BIO_TYPE_FILTER)
-
-# define BIO_TYPE_MEMPACKET_TEST 0x81
-
-static BIO_METHOD *method_tls_dump = NULL;
-static BIO_METHOD *method_mempacket_test = NULL;
-
-/* Note: Not thread safe! */
-const BIO_METHOD *bio_f_tls_dump_filter(void)
-{
- if (method_tls_dump == NULL) {
- method_tls_dump = BIO_meth_new(BIO_TYPE_TLS_DUMP_FILTER,
- "TLS dump filter");
- if ( method_tls_dump == NULL
- || !BIO_meth_set_write(method_tls_dump, tls_dump_write)
- || !BIO_meth_set_read(method_tls_dump, tls_dump_read)
- || !BIO_meth_set_puts(method_tls_dump, tls_dump_puts)
- || !BIO_meth_set_gets(method_tls_dump, tls_dump_gets)
- || !BIO_meth_set_ctrl(method_tls_dump, tls_dump_ctrl)
- || !BIO_meth_set_create(method_tls_dump, tls_dump_new)
- || !BIO_meth_set_destroy(method_tls_dump, tls_dump_free))
- return NULL;
- }
- return method_tls_dump;
-}
-
-void bio_f_tls_dump_filter_free(void)
-{
- BIO_meth_free(method_tls_dump);
-}
-
-static int tls_dump_new(BIO *bio)
-{
- BIO_set_init(bio, 1);
- return 1;
-}
-
-static int tls_dump_free(BIO *bio)
-{
- BIO_set_init(bio, 0);
-
- return 1;
-}
-
-static void copy_flags(BIO *bio)
-{
- int flags;
- BIO *next = BIO_next(bio);
-
- flags = BIO_test_flags(next, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
- BIO_clear_flags(bio, BIO_FLAGS_SHOULD_RETRY | BIO_FLAGS_RWS);
- BIO_set_flags(bio, flags);
-}
-
-#define RECORD_CONTENT_TYPE 0
-#define RECORD_VERSION_HI 1
-#define RECORD_VERSION_LO 2
-#define RECORD_EPOCH_HI 3
-#define RECORD_EPOCH_LO 4
-#define RECORD_SEQUENCE_START 5
-#define RECORD_SEQUENCE_END 10
-#define RECORD_LEN_HI 11
-#define RECORD_LEN_LO 12
-
-#define MSG_TYPE 0
-#define MSG_LEN_HI 1
-#define MSG_LEN_MID 2
-#define MSG_LEN_LO 3
-#define MSG_SEQ_HI 4
-#define MSG_SEQ_LO 5
-#define MSG_FRAG_OFF_HI 6
-#define MSG_FRAG_OFF_MID 7
-#define MSG_FRAG_OFF_LO 8
-#define MSG_FRAG_LEN_HI 9
-#define MSG_FRAG_LEN_MID 10
-#define MSG_FRAG_LEN_LO 11
-
-
-static void dump_data(const char *data, int len)
-{
- int rem, i, content, reclen, msglen, fragoff, fraglen, epoch;
- unsigned char *rec;
-
- printf("---- START OF PACKET ----\n");
-
- rem = len;
- rec = (unsigned char *)data;
-
- while (rem > 0) {
- if (rem != len)
- printf("*\n");
- printf("*---- START OF RECORD ----\n");
- if (rem < DTLS1_RT_HEADER_LENGTH) {
- printf("*---- RECORD TRUNCATED ----\n");
- break;
- }
- content = rec[RECORD_CONTENT_TYPE];
- printf("** Record Content-type: %d\n", content);
- printf("** Record Version: %02x%02x\n",
- rec[RECORD_VERSION_HI], rec[RECORD_VERSION_LO]);
- epoch = (rec[RECORD_EPOCH_HI] << 8) | rec[RECORD_EPOCH_LO];
- printf("** Record Epoch: %d\n", epoch);
- printf("** Record Sequence: ");
- for (i = RECORD_SEQUENCE_START; i <= RECORD_SEQUENCE_END; i++)
- printf("%02x", rec[i]);
- reclen = (rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO];
- printf("\n** Record Length: %d\n", reclen);
-
- /* Now look at message */
- rec += DTLS1_RT_HEADER_LENGTH;
- rem -= DTLS1_RT_HEADER_LENGTH;
- if (content == SSL3_RT_HANDSHAKE) {
- printf("**---- START OF HANDSHAKE MESSAGE FRAGMENT ----\n");
- if (epoch > 0) {
- printf("**---- HANDSHAKE MESSAGE FRAGMENT ENCRYPTED ----\n");
- } else if (rem < DTLS1_HM_HEADER_LENGTH
- || reclen < DTLS1_HM_HEADER_LENGTH) {
- printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
- } else {
- printf("*** Message Type: %d\n", rec[MSG_TYPE]);
- msglen = (rec[MSG_LEN_HI] << 16) | (rec[MSG_LEN_MID] << 8)
- | rec[MSG_LEN_LO];
- printf("*** Message Length: %d\n", msglen);
- printf("*** Message sequence: %d\n",
- (rec[MSG_SEQ_HI] << 8) | rec[MSG_SEQ_LO]);
- fragoff = (rec[MSG_FRAG_OFF_HI] << 16)
- | (rec[MSG_FRAG_OFF_MID] << 8)
- | rec[MSG_FRAG_OFF_LO];
- printf("*** Message Fragment offset: %d\n", fragoff);
- fraglen = (rec[MSG_FRAG_LEN_HI] << 16)
- | (rec[MSG_FRAG_LEN_MID] << 8)
- | rec[MSG_FRAG_LEN_LO];
- printf("*** Message Fragment len: %d\n", fraglen);
- if (fragoff + fraglen > msglen)
- printf("***---- HANDSHAKE MESSAGE FRAGMENT INVALID ----\n");
- else if (reclen < fraglen)
- printf("**---- HANDSHAKE MESSAGE FRAGMENT TRUNCATED ----\n");
- else
- printf("**---- END OF HANDSHAKE MESSAGE FRAGMENT ----\n");
- }
- }
- if (rem < reclen) {
- printf("*---- RECORD TRUNCATED ----\n");
- rem = 0;
- } else {
- rec += reclen;
- rem -= reclen;
- printf("*---- END OF RECORD ----\n");
- }
- }
- printf("---- END OF PACKET ----\n\n");
- fflush(stdout);
-}
-
-static int tls_dump_read(BIO *bio, char *out, int outl)
-{
- int ret;
- BIO *next = BIO_next(bio);
-
- ret = BIO_read(next, out, outl);
- copy_flags(bio);
-
- if (ret > 0) {
- dump_data(out, ret);
- }
-
- return ret;
-}
-
-static int tls_dump_write(BIO *bio, const char *in, int inl)
-{
- int ret;
- BIO *next = BIO_next(bio);
-
- ret = BIO_write(next, in, inl);
- copy_flags(bio);
-
- return ret;
-}
-
-static long tls_dump_ctrl(BIO *bio, int cmd, long num, void *ptr)
-{
- long ret;
- BIO *next = BIO_next(bio);
-
- if (next == NULL)
- return 0;
-
- switch (cmd) {
- case BIO_CTRL_DUP:
- ret = 0L;
- break;
- default:
- ret = BIO_ctrl(next, cmd, num, ptr);
- break;
- }
- return ret;
-}
-
-static int tls_dump_gets(BIO *bio, char *buf, int size)
-{
- /* We don't support this - not needed anyway */
- return -1;
-}
-
-static int tls_dump_puts(BIO *bio, const char *str)
-{
- return tls_dump_write(bio, str, strlen(str));
-}
-
-
-struct mempacket_st {
- unsigned char *data;
- int len;
- unsigned int num;
- unsigned int type;
-};
-
-static void mempacket_free(MEMPACKET *pkt)
-{
- if (pkt->data != NULL)
- OPENSSL_free(pkt->data);
- OPENSSL_free(pkt);
-}
-
-typedef struct mempacket_test_ctx_st {
- STACK_OF(MEMPACKET) *pkts;
- unsigned int epoch;
- unsigned int currrec;
- unsigned int currpkt;
- unsigned int lastpkt;
- unsigned int noinject;
-} MEMPACKET_TEST_CTX;
-
-static int mempacket_test_new(BIO *bi);
-static int mempacket_test_free(BIO *a);
-static int mempacket_test_read(BIO *b, char *out, int outl);
-static int mempacket_test_write(BIO *b, const char *in, int inl);
-static long mempacket_test_ctrl(BIO *b, int cmd, long num, void *ptr);
-static int mempacket_test_gets(BIO *bp, char *buf, int size);
-static int mempacket_test_puts(BIO *bp, const char *str);
-
-const BIO_METHOD *bio_s_mempacket_test(void)
-{
- if (method_mempacket_test == NULL) {
- method_mempacket_test = BIO_meth_new(BIO_TYPE_MEMPACKET_TEST,
- "Mem Packet Test");
- if ( method_mempacket_test == NULL
- || !BIO_meth_set_write(method_mempacket_test, mempacket_test_write)
- || !BIO_meth_set_read(method_mempacket_test, mempacket_test_read)
- || !BIO_meth_set_puts(method_mempacket_test, mempacket_test_puts)
- || !BIO_meth_set_gets(method_mempacket_test, mempacket_test_gets)
- || !BIO_meth_set_ctrl(method_mempacket_test, mempacket_test_ctrl)
- || !BIO_meth_set_create(method_mempacket_test, mempacket_test_new)
- || !BIO_meth_set_destroy(method_mempacket_test, mempacket_test_free))
- return NULL;
- }
- return method_mempacket_test;
-}
-
-void bio_s_mempacket_test_free(void)
-{
- BIO_meth_free(method_mempacket_test);
-}
-
-static int mempacket_test_new(BIO *bio)
-{
- MEMPACKET_TEST_CTX *ctx = OPENSSL_zalloc(sizeof(*ctx));
- if (ctx == NULL)
- return 0;
- ctx->pkts = sk_MEMPACKET_new_null();
- if (ctx->pkts == NULL) {
- OPENSSL_free(ctx);
- return 0;
- }
- BIO_set_init(bio, 1);
- BIO_set_data(bio, ctx);
- return 1;
-}
-
-static int mempacket_test_free(BIO *bio)
-{
- MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
-
- sk_MEMPACKET_pop_free(ctx->pkts, mempacket_free);
- OPENSSL_free(ctx);
- BIO_set_data(bio, NULL);
- BIO_set_init(bio, 0);
-
- return 1;
-}
-
-/* Record Header values */
-#define EPOCH_HI 4
-#define EPOCH_LO 5
-#define RECORD_SEQUENCE 10
-#define RECORD_LEN_HI 11
-#define RECORD_LEN_LO 12
-
-#define STANDARD_PACKET 0
-
-static int mempacket_test_read(BIO *bio, char *out, int outl)
-{
- MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
- MEMPACKET *thispkt;
- unsigned char *rec;
- int rem;
- unsigned int seq, offset, len, epoch;
-
- BIO_clear_retry_flags(bio);
-
- thispkt = sk_MEMPACKET_value(ctx->pkts, 0);
- if (thispkt == NULL || thispkt->num != ctx->currpkt) {
- /* Probably run out of data */
- BIO_set_retry_read(bio);
- return -1;
- }
- (void)sk_MEMPACKET_shift(ctx->pkts);
- ctx->currpkt++;
-
- if (outl > thispkt->len)
- outl = thispkt->len;
-
- if (thispkt->type != INJECT_PACKET_IGNORE_REC_SEQ) {
- /*
- * Overwrite the record sequence number. We strictly number them in
- * the order received. Since we are actually a reliable transport
- * we know that there won't be any re-ordering. We overwrite to deal
- * with any packets that have been injected
- */
- rem = thispkt->len;
- rec = thispkt->data;
- while (rem > 0) {
- if (rem < DTLS1_RT_HEADER_LENGTH) {
- return -1;
- }
- epoch = (rec[EPOCH_HI] << 8) | rec[EPOCH_LO];
- if (epoch != ctx->epoch) {
- ctx->epoch = epoch;
- ctx->currrec = 0;
- }
- seq = ctx->currrec;
- offset = 0;
- do {
- rec[RECORD_SEQUENCE - offset] = seq & 0xFF;
- seq >>= 8;
- offset++;
- } while (seq > 0);
- ctx->currrec++;
-
- len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO])
- + DTLS1_RT_HEADER_LENGTH;
-
- rec += len;
- rem -= len;
- }
- }
-
- memcpy(out, thispkt->data, outl);
-
- mempacket_free(thispkt);
-
- return outl;
-}
-
-int mempacket_test_inject(BIO *bio, const char *in, int inl, int pktnum,
- int type)
-{
- MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio);
- MEMPACKET *thispkt, *looppkt, *nextpkt;
- int i;
-
- if (ctx == NULL)
- return -1;
-
- /* We only allow injection before we've started writing any data */
- if (pktnum >= 0) {
- if (ctx->noinject)
- return -1;
- } else {
- ctx->noinject = 1;
- }
-
- thispkt = OPENSSL_malloc(sizeof(MEMPACKET));
- if (thispkt == NULL)
- return -1;
-
- thispkt->data = OPENSSL_malloc(inl);
- if (thispkt->data == NULL) {
- mempacket_free(thispkt);
- return -1;
- }
-
- memcpy(thispkt->data, in, inl);
- thispkt->len = inl;
- thispkt->num = (pktnum >= 0) ? (unsigned int)pktnum : ctx->lastpkt;
- thispkt->type = type;
-
- for(i = 0; (looppkt = sk_MEMPACKET_value(ctx->pkts, i)) != NULL; i++) {
- /* Check if we found the right place to insert this packet */
- if (looppkt->num > thispkt->num) {
- if (sk_MEMPACKET_insert(ctx->pkts, thispkt, i) == 0) {
- mempacket_free(thispkt);
- return -1;
- }
- /* If we're doing up front injection then we're done */
- if (pktnum >= 0)
- return inl;
- /*
- * We need to do some accounting on lastpkt. We increment it first,
- * but it might now equal the value of injected packets, so we need
- * to skip over those
- */
- ctx->lastpkt++;
- do {
- i++;
- nextpkt = sk_MEMPACKET_value(ctx->pkts, i);
- if (nextpkt != NULL && nextpkt->num == ctx->lastpkt)
- ctx->lastpkt++;
- else
- return inl;
- } while(1);
- } else if (looppkt->num == thispkt->num) {
- if (!ctx->noinject) {
- /* We injected two packets with the same packet number! */
- return -1;
- }
- ctx->lastpkt++;
- thispkt->num++;
- }
- }
- /*
- * We didn't find any packets with a packet number equal to or greater than
- * 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 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,
- SSL_CTX **sctx, SSL_CTX **cctx, char *certfile,
- char *privkeyfile)
-{
- SSL_CTX *serverctx = NULL;
- SSL_CTX *clientctx = NULL;
-
- serverctx = SSL_CTX_new(sm);
- clientctx = SSL_CTX_new(cm);
- if (serverctx == NULL || clientctx == NULL) {
- printf("Failed to create SSL_CTX\n");
- goto err;
- }
-
- if (SSL_CTX_use_certificate_file(serverctx, certfile,
- SSL_FILETYPE_PEM) <= 0) {
- printf("Failed to load server certificate\n");
- goto err;
- }
- if (SSL_CTX_use_PrivateKey_file(serverctx, privkeyfile,
- SSL_FILETYPE_PEM) <= 0) {
- printf("Failed to load server private key\n");
- }
- if (SSL_CTX_check_private_key(serverctx) <= 0) {
- printf("Failed to check private key\n");
- goto err;
- }
-
-#ifndef OPENSSL_NO_DH
- SSL_CTX_set_dh_auto(serverctx, 1);
-#endif
-
- *sctx = serverctx;
- *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, *clientssl;
- BIO *s_to_c_bio = NULL, *c_to_s_bio = NULL;
-
- if (*sssl == NULL)
- serverssl = SSL_new(serverctx);
- else
- serverssl = *sssl;
- if (*cssl == NULL)
- clientssl = SSL_new(clientctx);
- else
- clientssl = *cssl;
-
- if (serverssl == NULL || clientssl == NULL) {
- printf("Failed to create SSL object\n");
- goto error;
- }
-
- if (SSL_is_dtls(clientssl)) {
- s_to_c_bio = BIO_new(bio_s_mempacket_test());
- c_to_s_bio = BIO_new(bio_s_mempacket_test());
- } else {
- s_to_c_bio = BIO_new(BIO_s_mem());
- c_to_s_bio = BIO_new(BIO_s_mem());
- }
- if (s_to_c_bio == NULL || c_to_s_bio == NULL) {
- printf("Failed to create mem BIOs\n");
- goto error;
- }
-
- if (s_to_c_fbio != NULL)
- s_to_c_bio = BIO_push(s_to_c_fbio, s_to_c_bio);
- if (c_to_s_fbio != NULL)
- c_to_s_bio = BIO_push(c_to_s_fbio, c_to_s_bio);
- if (s_to_c_bio == NULL || c_to_s_bio == NULL) {
- printf("Failed to create chained BIOs\n");
- 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 */
- BIO_up_ref(s_to_c_bio);
- BIO_up_ref(c_to_s_bio);
-
- SSL_set_bio(serverssl, c_to_s_bio, s_to_c_bio);
- SSL_set_bio(clientssl, s_to_c_bio, c_to_s_bio);
-
- /* BIOs will now be freed when SSL objects are freed */
- s_to_c_bio = c_to_s_bio = NULL;
- s_to_c_fbio = c_to_s_fbio = NULL;
-
- *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;
-}
-
-int create_ssl_connection(SSL *serverssl, SSL *clientssl)
-{
- int retc = -1, rets = -1, err, abortctr = 0;
- int clienterr = 0, servererr = 0;
-
- 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) {
- printf("SSL_connect() failed %d, %d\n", retc, err);
- clienterr = 1;
- }
-
- 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) {
- printf("SSL_accept() failed %d, %d\n", retc, err);
- servererr = 1;
- }
- if (clienterr && servererr)
- return 0;
- if (++abortctr == MAXLOOPS) {
- printf("No progress made\n");
- return 0;
- }
- } while (retc <=0 || rets <= 0);
-
- return 1;
-}
projects / openssl.git / blobdiff