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- /*
- * Copyright 2016-2019 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
- */
- #include <string.h>
- #include "internal/nelem.h"
- #include "ssltestlib.h"
- #include "testutil.h"
- #include "e_os.h"
- #ifdef OPENSSL_SYS_UNIX
- # include <unistd.h>
- #ifndef OPENSSL_NO_KTLS
- # include <netinet/in.h>
- # include <netinet/in.h>
- # include <arpa/inet.h>
- # include <sys/socket.h>
- # include <unistd.h>
- # include <fcntl.h>
- #endif
- static ossl_inline void ossl_sleep(unsigned int millis)
- {
- # ifdef OPENSSL_SYS_VXWORKS
- struct timespec ts;
- ts.tv_sec = (long int) (millis / 1000);
- ts.tv_nsec = (long int) (millis % 1000) * 1000000ul;
- nanosleep(&ts, NULL);
- # else
- usleep(millis * 1000);
- # endif
- }
- #elif defined(_WIN32)
- # include <windows.h>
- static ossl_inline void ossl_sleep(unsigned int millis)
- {
- Sleep(millis);
- }
- #else
- /* Fallback to a busy wait */
- static ossl_inline void ossl_sleep(unsigned int millis)
- {
- struct timeval start, now;
- unsigned int elapsedms;
- gettimeofday(&start, NULL);
- do {
- gettimeofday(&now, NULL);
- elapsedms = (((now.tv_sec - start.tv_sec) * 1000000)
- + now.tv_usec - start.tv_usec) / 1000;
- } while (elapsedms < millis);
- }
- #endif
- 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
- #define BIO_TYPE_ALWAYS_RETRY 0x82
- static BIO_METHOD *method_tls_dump = NULL;
- static BIO_METHOD *meth_mem = NULL;
- static BIO_METHOD *meth_always_retry = 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 injected;
- unsigned int noinject;
- unsigned int dropepoch;
- int droprec;
- int duprec;
- } 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 (meth_mem == NULL) {
- if (!TEST_ptr(meth_mem = BIO_meth_new(BIO_TYPE_MEMPACKET_TEST,
- "Mem Packet Test"))
- || !TEST_true(BIO_meth_set_write(meth_mem, mempacket_test_write))
- || !TEST_true(BIO_meth_set_read(meth_mem, mempacket_test_read))
- || !TEST_true(BIO_meth_set_puts(meth_mem, mempacket_test_puts))
- || !TEST_true(BIO_meth_set_gets(meth_mem, mempacket_test_gets))
- || !TEST_true(BIO_meth_set_ctrl(meth_mem, mempacket_test_ctrl))
- || !TEST_true(BIO_meth_set_create(meth_mem, mempacket_test_new))
- || !TEST_true(BIO_meth_set_destroy(meth_mem, mempacket_test_free)))
- return NULL;
- }
- return meth_mem;
- }
- void bio_s_mempacket_test_free(void)
- {
- BIO_meth_free(meth_mem);
- }
- static int mempacket_test_new(BIO *bio)
- {
- MEMPACKET_TEST_CTX *ctx;
- if (!TEST_ptr(ctx = OPENSSL_zalloc(sizeof(*ctx))))
- return 0;
- if (!TEST_ptr(ctx->pkts = sk_MEMPACKET_new_null())) {
- OPENSSL_free(ctx);
- return 0;
- }
- ctx->dropepoch = 0;
- ctx->droprec = -1;
- 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 3
- #define EPOCH_LO 4
- #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
- && (ctx->injected || ctx->droprec >= 0)) {
- /*
- * 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
- */
- for (rem = thispkt->len, rec = thispkt->data; rem > 0; rem -= len) {
- 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);
- len = ((rec[RECORD_LEN_HI] << 8) | rec[RECORD_LEN_LO])
- + DTLS1_RT_HEADER_LENGTH;
- if (rem < (int)len)
- return -1;
- if (ctx->droprec == (int)ctx->currrec && ctx->dropepoch == epoch) {
- if (rem > (int)len)
- memmove(rec, rec + len, rem - len);
- outl -= len;
- ctx->droprec = -1;
- if (outl == 0)
- BIO_set_retry_read(bio);
- } else {
- rec += len;
- }
- ctx->currrec++;
- }
- }
- 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 = NULL, *looppkt, *nextpkt, *allpkts[3];
- int i, duprec;
- const unsigned char *inu = (const unsigned char *)in;
- size_t len = ((inu[RECORD_LEN_HI] << 8) | inu[RECORD_LEN_LO])
- + DTLS1_RT_HEADER_LENGTH;
- if (ctx == NULL)
- return -1;
- if ((size_t)inl < len)
- return -1;
- if ((size_t)inl == len)
- duprec = 0;
- else
- duprec = ctx->duprec > 0;
- /* We don't support arbitrary injection when duplicating records */
- if (duprec && pktnum != -1)
- return -1;
- /* We only allow injection before we've started writing any data */
- if (pktnum >= 0) {
- if (ctx->noinject)
- return -1;
- ctx->injected = 1;
- } else {
- ctx->noinject = 1;
- }
- for (i = 0; i < (duprec ? 3 : 1); i++) {
- if (!TEST_ptr(allpkts[i] = OPENSSL_malloc(sizeof(*thispkt))))
- goto err;
- thispkt = allpkts[i];
- if (!TEST_ptr(thispkt->data = OPENSSL_malloc(inl)))
- goto err;
- /*
- * If we are duplicating the packet, we duplicate it three times. The
- * first two times we drop the first record if there are more than one.
- * In this way we know that libssl will not be able to make progress
- * until it receives the last packet, and hence will be forced to
- * buffer these records.
- */
- if (duprec && i != 2) {
- memcpy(thispkt->data, in + len, inl - len);
- thispkt->len = inl - len;
- } else {
- memcpy(thispkt->data, in, inl);
- thispkt->len = inl;
- }
- thispkt->num = (pktnum >= 0) ? (unsigned int)pktnum : ctx->lastpkt + i;
- 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)
- goto err;
- /* 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! */
- goto err;
- }
- 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
- */
- for (i = 0; i < (duprec ? 3 : 1); i++) {
- thispkt = allpkts[i];
- if (!sk_MEMPACKET_push(ctx->pkts, thispkt))
- goto err;
- if (pktnum < 0)
- ctx->lastpkt++;
- }
- return inl;
- err:
- for (i = 0; i < (ctx->duprec > 0 ? 3 : 1); i++)
- mempacket_free(allpkts[i]);
- return -1;
- }
- 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 MEMPACKET_CTRL_SET_DUPLICATE_REC:
- ctx->duprec = (int)num;
- 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));
- }
- static int always_retry_new(BIO *bi);
- static int always_retry_free(BIO *a);
- static int always_retry_read(BIO *b, char *out, int outl);
- static int always_retry_write(BIO *b, const char *in, int inl);
- static long always_retry_ctrl(BIO *b, int cmd, long num, void *ptr);
- static int always_retry_gets(BIO *bp, char *buf, int size);
- static int always_retry_puts(BIO *bp, const char *str);
- const BIO_METHOD *bio_s_always_retry(void)
- {
- if (meth_always_retry == NULL) {
- if (!TEST_ptr(meth_always_retry = BIO_meth_new(BIO_TYPE_ALWAYS_RETRY,
- "Always Retry"))
- || !TEST_true(BIO_meth_set_write(meth_always_retry,
- always_retry_write))
- || !TEST_true(BIO_meth_set_read(meth_always_retry,
- always_retry_read))
- || !TEST_true(BIO_meth_set_puts(meth_always_retry,
- always_retry_puts))
- || !TEST_true(BIO_meth_set_gets(meth_always_retry,
- always_retry_gets))
- || !TEST_true(BIO_meth_set_ctrl(meth_always_retry,
- always_retry_ctrl))
- || !TEST_true(BIO_meth_set_create(meth_always_retry,
- always_retry_new))
- || !TEST_true(BIO_meth_set_destroy(meth_always_retry,
- always_retry_free)))
- return NULL;
- }
- return meth_always_retry;
- }
- void bio_s_always_retry_free(void)
- {
- BIO_meth_free(meth_always_retry);
- }
- static int always_retry_new(BIO *bio)
- {
- BIO_set_init(bio, 1);
- return 1;
- }
- static int always_retry_free(BIO *bio)
- {
- BIO_set_data(bio, NULL);
- BIO_set_init(bio, 0);
- return 1;
- }
- static int always_retry_read(BIO *bio, char *out, int outl)
- {
- BIO_set_retry_read(bio);
- return -1;
- }
- static int always_retry_write(BIO *bio, const char *in, int inl)
- {
- BIO_set_retry_write(bio);
- return -1;
- }
- static long always_retry_ctrl(BIO *bio, int cmd, long num, void *ptr)
- {
- long ret = 1;
- switch (cmd) {
- case BIO_CTRL_FLUSH:
- BIO_set_retry_write(bio);
- /* fall through */
- case BIO_CTRL_EOF:
- case BIO_CTRL_RESET:
- case BIO_CTRL_DUP:
- case BIO_CTRL_PUSH:
- case BIO_CTRL_POP:
- default:
- ret = 0;
- break;
- }
- return ret;
- }
- static int always_retry_gets(BIO *bio, char *buf, int size)
- {
- BIO_set_retry_read(bio);
- return -1;
- }
- static int always_retry_puts(BIO *bio, const char *str)
- {
- BIO_set_retry_write(bio);
- return -1;
- }
- 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
- #if !defined(OPENSSL_NO_KTLS) && !defined(OPENSSL_NO_SOCK)
- static int set_nb(int fd)
- {
- int flags;
- flags = fcntl(fd,F_GETFL,0);
- if (flags == -1)
- return flags;
- flags = fcntl(fd, F_SETFL, flags | O_NONBLOCK);
- return flags;
- }
- int create_test_sockets(int *cfd, int *sfd)
- {
- struct sockaddr_in sin;
- const char *host = "127.0.0.1";
- int cfd_connected = 0, ret = 0;
- socklen_t slen = sizeof(sin);
- int afd = -1;
- *cfd = -1;
- *sfd = -1;
- memset ((char *) &sin, 0, sizeof(sin));
- sin.sin_family = AF_INET;
- sin.sin_addr.s_addr = inet_addr(host);
- afd = socket(AF_INET, SOCK_STREAM, 0);
- if (afd < 0)
- return 0;
- if (bind(afd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
- goto out;
- if (getsockname(afd, (struct sockaddr*)&sin, &slen) < 0)
- goto out;
- if (listen(afd, 1) < 0)
- goto out;
- *cfd = socket(AF_INET, SOCK_STREAM, 0);
- if (*cfd < 0)
- goto out;
- if (set_nb(afd) == -1)
- goto out;
- while (*sfd == -1 || !cfd_connected ) {
- *sfd = accept(afd, NULL, 0);
- if (*sfd == -1 && errno != EAGAIN)
- goto out;
- if (!cfd_connected && connect(*cfd, (struct sockaddr*)&sin, sizeof(sin)) < 0)
- goto out;
- else
- cfd_connected = 1;
- }
- if (set_nb(*cfd) == -1 || set_nb(*sfd) == -1)
- goto out;
- ret = 1;
- goto success;
- out:
- if (*cfd != -1)
- close(*cfd);
- if (*sfd != -1)
- close(*sfd);
- success:
- if (afd != -1)
- close(afd);
- return ret;
- }
- int create_ssl_objects2(SSL_CTX *serverctx, SSL_CTX *clientctx, SSL **sssl,
- SSL **cssl, int sfd, int cfd)
- {
- 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 (!TEST_ptr(s_to_c_bio = BIO_new_socket(sfd, BIO_NOCLOSE))
- || !TEST_ptr(c_to_s_bio = BIO_new_socket(cfd, BIO_NOCLOSE)))
- goto error;
- SSL_set_bio(clientssl, c_to_s_bio, c_to_s_bio);
- SSL_set_bio(serverssl, s_to_c_bio, s_to_c_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);
- return 0;
- }
- #endif
- /*
- * 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.
- * If |read| is set and we're using DTLS then we will attempt to SSL_read on
- * the connection once we've completed one half of it, to ensure any retransmits
- * get triggered.
- */
- int create_bare_ssl_connection(SSL *serverssl, SSL *clientssl, int want,
- int read)
- {
- 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
- && err != SSL_ERROR_WANT_X509_LOOKUP) {
- 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 && read) {
- unsigned char buf[20];
- /* Trigger any retransmits that may be appropriate */
- if (rets > 0 && retc <= 0) {
- if (SSL_read(serverssl, buf, sizeof(buf)) > 0) {
- /* We don't expect this to succeed! */
- TEST_info("Unexpected SSL_read() success!");
- return 0;
- }
- }
- if (retc > 0 && rets <= 0) {
- if (SSL_read(clientssl, buf, sizeof(buf)) > 0) {
- /* We don't expect this to succeed! */
- TEST_info("Unexpected SSL_read() success!");
- return 0;
- }
- }
- }
- 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, 1))
- 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 NewSessionTickets.
- */
- 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);
- }
|