| /* |
| * Copyright 2016-2022 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 "internal/nelem.h" |
| #include "ssltestlib.h" |
| #include "testutil.h" |
| #include "e_os.h" |
| |
| #ifdef OPENSSL_SYS_UNIX |
| # include <unistd.h> |
| |
| 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; |
| } |
| |
| /* Take the last and penultimate packets and swap them around */ |
| int mempacket_swap_recent(BIO *bio) |
| { |
| MEMPACKET_TEST_CTX *ctx = BIO_get_data(bio); |
| MEMPACKET *thispkt; |
| int numpkts = sk_MEMPACKET_num(ctx->pkts); |
| |
| /* We need at least 2 packets to be able to swap them */ |
| if (numpkts <= 1) |
| return 0; |
| |
| /* Get the penultimate packet */ |
| thispkt = sk_MEMPACKET_value(ctx->pkts, numpkts - 2); |
| if (thispkt == NULL) |
| return 0; |
| |
| if (sk_MEMPACKET_delete(ctx->pkts, numpkts - 2) != thispkt) |
| return 0; |
| |
| /* Re-add it to the end of the list */ |
| thispkt->num++; |
| if (sk_MEMPACKET_insert(ctx->pkts, thispkt, numpkts - 1) <= 0) |
| return 0; |
| |
| /* We also have to adjust the packet number of the other packet */ |
| thispkt = sk_MEMPACKET_value(ctx->pkts, numpkts - 2); |
| if (thispkt == NULL) |
| return 0; |
| thispkt->num--; |
| |
| return 1; |
| } |
| |
| 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 |
| |
| /* |
| * 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); |
| } |