| /* |
| * Copyright 1995-2022 The OpenSSL Project Authors. All Rights Reserved. |
| * Copyright (c) 2002, Oracle and/or its affiliates. All rights reserved |
| * Copyright 2005 Nokia. 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 <ctype.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #if defined(_WIN32) |
| /* Included before async.h to avoid some warnings */ |
| # include <windows.h> |
| #endif |
| |
| #include <openssl/e_os2.h> |
| #include <openssl/async.h> |
| #include <openssl/ssl.h> |
| #include <openssl/decoder.h> |
| |
| #ifndef OPENSSL_NO_SOCK |
| |
| /* |
| * With IPv6, it looks like Digital has mixed up the proper order of |
| * recursive header file inclusion, resulting in the compiler complaining |
| * that u_int isn't defined, but only if _POSIX_C_SOURCE is defined, which is |
| * needed to have fileno() declared correctly... So let's define u_int |
| */ |
| #if defined(OPENSSL_SYS_VMS_DECC) && !defined(__U_INT) |
| # define __U_INT |
| typedef unsigned int u_int; |
| #endif |
| |
| #include <openssl/bn.h> |
| #include "apps.h" |
| #include "progs.h" |
| #include <openssl/err.h> |
| #include <openssl/pem.h> |
| #include <openssl/x509.h> |
| #include <openssl/rand.h> |
| #include <openssl/ocsp.h> |
| #ifndef OPENSSL_NO_DH |
| # include <openssl/dh.h> |
| #endif |
| #include <openssl/rsa.h> |
| #include "s_apps.h" |
| #include "timeouts.h" |
| #ifdef CHARSET_EBCDIC |
| #include <openssl/ebcdic.h> |
| #endif |
| #include "internal/sockets.h" |
| |
| static int not_resumable_sess_cb(SSL *s, int is_forward_secure); |
| static int sv_body(int s, int stype, int prot, unsigned char *context); |
| static int www_body(int s, int stype, int prot, unsigned char *context); |
| static int rev_body(int s, int stype, int prot, unsigned char *context); |
| static void close_accept_socket(void); |
| static int init_ssl_connection(SSL *s); |
| static void print_stats(BIO *bp, SSL_CTX *ctx); |
| static int generate_session_id(SSL *ssl, unsigned char *id, |
| unsigned int *id_len); |
| static void init_session_cache_ctx(SSL_CTX *sctx); |
| static void free_sessions(void); |
| static void print_connection_info(SSL *con); |
| |
| static const int bufsize = 16 * 1024; |
| static int accept_socket = -1; |
| |
| #define TEST_CERT "server.pem" |
| #define TEST_CERT2 "server2.pem" |
| |
| static int s_nbio = 0; |
| static int s_nbio_test = 0; |
| static int s_crlf = 0; |
| static SSL_CTX *ctx = NULL; |
| static SSL_CTX *ctx2 = NULL; |
| static int www = 0; |
| |
| static BIO *bio_s_out = NULL; |
| static BIO *bio_s_msg = NULL; |
| static int s_debug = 0; |
| static int s_tlsextdebug = 0; |
| static int s_msg = 0; |
| static int s_quiet = 0; |
| static int s_ign_eof = 0; |
| static int s_brief = 0; |
| |
| static char *keymatexportlabel = NULL; |
| static int keymatexportlen = 20; |
| |
| static int async = 0; |
| |
| static int use_sendfile = 0; |
| |
| static const char *session_id_prefix = NULL; |
| |
| #ifndef OPENSSL_NO_DTLS |
| static int enable_timeouts = 0; |
| static long socket_mtu; |
| #endif |
| |
| /* |
| * We define this but make it always be 0 in no-dtls builds to simplify the |
| * code. |
| */ |
| static int dtlslisten = 0; |
| static int stateless = 0; |
| |
| static int early_data = 0; |
| static SSL_SESSION *psksess = NULL; |
| |
| static char *psk_identity = "Client_identity"; |
| char *psk_key = NULL; /* by default PSK is not used */ |
| |
| static char http_server_binmode = 0; /* for now: 0/1 = default/binary */ |
| |
| #ifndef OPENSSL_NO_PSK |
| static unsigned int psk_server_cb(SSL *ssl, const char *identity, |
| unsigned char *psk, |
| unsigned int max_psk_len) |
| { |
| long key_len = 0; |
| unsigned char *key; |
| |
| if (s_debug) |
| BIO_printf(bio_s_out, "psk_server_cb\n"); |
| |
| if (!SSL_is_dtls(ssl) && SSL_version(ssl) >= TLS1_3_VERSION) { |
| /* |
| * This callback is designed for use in (D)TLSv1.2 (or below). It is |
| * possible to use a single callback for all protocol versions - but it |
| * is preferred to use a dedicated callback for TLSv1.3. For TLSv1.3 we |
| * have psk_find_session_cb. |
| */ |
| return 0; |
| } |
| |
| if (identity == NULL) { |
| BIO_printf(bio_err, "Error: client did not send PSK identity\n"); |
| goto out_err; |
| } |
| if (s_debug) |
| BIO_printf(bio_s_out, "identity_len=%d identity=%s\n", |
| (int)strlen(identity), identity); |
| |
| /* here we could lookup the given identity e.g. from a database */ |
| if (strcmp(identity, psk_identity) != 0) { |
| BIO_printf(bio_s_out, "PSK warning: client identity not what we expected" |
| " (got '%s' expected '%s')\n", identity, psk_identity); |
| } else { |
| if (s_debug) |
| BIO_printf(bio_s_out, "PSK client identity found\n"); |
| } |
| |
| /* convert the PSK key to binary */ |
| key = OPENSSL_hexstr2buf(psk_key, &key_len); |
| if (key == NULL) { |
| BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", |
| psk_key); |
| return 0; |
| } |
| if (key_len > (int)max_psk_len) { |
| BIO_printf(bio_err, |
| "psk buffer of callback is too small (%d) for key (%ld)\n", |
| max_psk_len, key_len); |
| OPENSSL_free(key); |
| return 0; |
| } |
| |
| memcpy(psk, key, key_len); |
| OPENSSL_free(key); |
| |
| if (s_debug) |
| BIO_printf(bio_s_out, "fetched PSK len=%ld\n", key_len); |
| return key_len; |
| out_err: |
| if (s_debug) |
| BIO_printf(bio_err, "Error in PSK server callback\n"); |
| (void)BIO_flush(bio_err); |
| (void)BIO_flush(bio_s_out); |
| return 0; |
| } |
| #endif |
| |
| static int psk_find_session_cb(SSL *ssl, const unsigned char *identity, |
| size_t identity_len, SSL_SESSION **sess) |
| { |
| SSL_SESSION *tmpsess = NULL; |
| unsigned char *key; |
| long key_len; |
| const SSL_CIPHER *cipher = NULL; |
| |
| if (strlen(psk_identity) != identity_len |
| || memcmp(psk_identity, identity, identity_len) != 0) { |
| *sess = NULL; |
| return 1; |
| } |
| |
| if (psksess != NULL) { |
| SSL_SESSION_up_ref(psksess); |
| *sess = psksess; |
| return 1; |
| } |
| |
| key = OPENSSL_hexstr2buf(psk_key, &key_len); |
| if (key == NULL) { |
| BIO_printf(bio_err, "Could not convert PSK key '%s' to buffer\n", |
| psk_key); |
| return 0; |
| } |
| |
| /* We default to SHA256 */ |
| cipher = SSL_CIPHER_find(ssl, tls13_aes128gcmsha256_id); |
| if (cipher == NULL) { |
| BIO_printf(bio_err, "Error finding suitable ciphersuite\n"); |
| OPENSSL_free(key); |
| return 0; |
| } |
| |
| tmpsess = SSL_SESSION_new(); |
| if (tmpsess == NULL |
| || !SSL_SESSION_set1_master_key(tmpsess, key, key_len) |
| || !SSL_SESSION_set_cipher(tmpsess, cipher) |
| || !SSL_SESSION_set_protocol_version(tmpsess, SSL_version(ssl))) { |
| OPENSSL_free(key); |
| return 0; |
| } |
| OPENSSL_free(key); |
| *sess = tmpsess; |
| |
| return 1; |
| } |
| |
| #ifndef OPENSSL_NO_SRP |
| static srpsrvparm srp_callback_parm; |
| #endif |
| |
| static int local_argc = 0; |
| static char **local_argv; |
| |
| #ifdef CHARSET_EBCDIC |
| static int ebcdic_new(BIO *bi); |
| static int ebcdic_free(BIO *a); |
| static int ebcdic_read(BIO *b, char *out, int outl); |
| static int ebcdic_write(BIO *b, const char *in, int inl); |
| static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr); |
| static int ebcdic_gets(BIO *bp, char *buf, int size); |
| static int ebcdic_puts(BIO *bp, const char *str); |
| |
| # define BIO_TYPE_EBCDIC_FILTER (18|0x0200) |
| static BIO_METHOD *methods_ebcdic = NULL; |
| |
| /* This struct is "unwarranted chumminess with the compiler." */ |
| typedef struct { |
| size_t alloced; |
| char buff[1]; |
| } EBCDIC_OUTBUFF; |
| |
| static const BIO_METHOD *BIO_f_ebcdic_filter() |
| { |
| if (methods_ebcdic == NULL) { |
| methods_ebcdic = BIO_meth_new(BIO_TYPE_EBCDIC_FILTER, |
| "EBCDIC/ASCII filter"); |
| if (methods_ebcdic == NULL |
| || !BIO_meth_set_write(methods_ebcdic, ebcdic_write) |
| || !BIO_meth_set_read(methods_ebcdic, ebcdic_read) |
| || !BIO_meth_set_puts(methods_ebcdic, ebcdic_puts) |
| || !BIO_meth_set_gets(methods_ebcdic, ebcdic_gets) |
| || !BIO_meth_set_ctrl(methods_ebcdic, ebcdic_ctrl) |
| || !BIO_meth_set_create(methods_ebcdic, ebcdic_new) |
| || !BIO_meth_set_destroy(methods_ebcdic, ebcdic_free)) |
| return NULL; |
| } |
| return methods_ebcdic; |
| } |
| |
| static int ebcdic_new(BIO *bi) |
| { |
| EBCDIC_OUTBUFF *wbuf; |
| |
| wbuf = app_malloc(sizeof(*wbuf) + 1024, "ebcdic wbuf"); |
| wbuf->alloced = 1024; |
| wbuf->buff[0] = '\0'; |
| |
| BIO_set_data(bi, wbuf); |
| BIO_set_init(bi, 1); |
| return 1; |
| } |
| |
| static int ebcdic_free(BIO *a) |
| { |
| EBCDIC_OUTBUFF *wbuf; |
| |
| if (a == NULL) |
| return 0; |
| wbuf = BIO_get_data(a); |
| OPENSSL_free(wbuf); |
| BIO_set_data(a, NULL); |
| BIO_set_init(a, 0); |
| |
| return 1; |
| } |
| |
| static int ebcdic_read(BIO *b, char *out, int outl) |
| { |
| int ret = 0; |
| BIO *next = BIO_next(b); |
| |
| if (out == NULL || outl == 0) |
| return 0; |
| if (next == NULL) |
| return 0; |
| |
| ret = BIO_read(next, out, outl); |
| if (ret > 0) |
| ascii2ebcdic(out, out, ret); |
| return ret; |
| } |
| |
| static int ebcdic_write(BIO *b, const char *in, int inl) |
| { |
| EBCDIC_OUTBUFF *wbuf; |
| BIO *next = BIO_next(b); |
| int ret = 0; |
| int num; |
| |
| if ((in == NULL) || (inl <= 0)) |
| return 0; |
| if (next == NULL) |
| return 0; |
| |
| wbuf = (EBCDIC_OUTBUFF *) BIO_get_data(b); |
| |
| if (inl > (num = wbuf->alloced)) { |
| num = num + num; /* double the size */ |
| if (num < inl) |
| num = inl; |
| OPENSSL_free(wbuf); |
| wbuf = app_malloc(sizeof(*wbuf) + num, "grow ebcdic wbuf"); |
| |
| wbuf->alloced = num; |
| wbuf->buff[0] = '\0'; |
| |
| BIO_set_data(b, wbuf); |
| } |
| |
| ebcdic2ascii(wbuf->buff, in, inl); |
| |
| ret = BIO_write(next, wbuf->buff, inl); |
| |
| return ret; |
| } |
| |
| static long ebcdic_ctrl(BIO *b, int cmd, long num, void *ptr) |
| { |
| long ret; |
| BIO *next = BIO_next(b); |
| |
| 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 ebcdic_gets(BIO *bp, char *buf, int size) |
| { |
| int i, ret = 0; |
| BIO *next = BIO_next(bp); |
| |
| if (next == NULL) |
| return 0; |
| /* return(BIO_gets(bp->next_bio,buf,size));*/ |
| for (i = 0; i < size - 1; ++i) { |
| ret = ebcdic_read(bp, &buf[i], 1); |
| if (ret <= 0) |
| break; |
| else if (buf[i] == '\n') { |
| ++i; |
| break; |
| } |
| } |
| if (i < size) |
| buf[i] = '\0'; |
| return (ret < 0 && i == 0) ? ret : i; |
| } |
| |
| static int ebcdic_puts(BIO *bp, const char *str) |
| { |
| if (BIO_next(bp) == NULL) |
| return 0; |
| return ebcdic_write(bp, str, strlen(str)); |
| } |
| #endif |
| |
| /* This is a context that we pass to callbacks */ |
| typedef struct tlsextctx_st { |
| char *servername; |
| BIO *biodebug; |
| int extension_error; |
| } tlsextctx; |
| |
| static int ssl_servername_cb(SSL *s, int *ad, void *arg) |
| { |
| tlsextctx *p = (tlsextctx *) arg; |
| const char *servername = SSL_get_servername(s, TLSEXT_NAMETYPE_host_name); |
| |
| if (servername != NULL && p->biodebug != NULL) { |
| const char *cp = servername; |
| unsigned char uc; |
| |
| BIO_printf(p->biodebug, "Hostname in TLS extension: \""); |
| while ((uc = *cp++) != 0) |
| BIO_printf(p->biodebug, |
| (((uc) & ~127) == 0) && isprint(uc) ? "%c" : "\\x%02x", uc); |
| BIO_printf(p->biodebug, "\"\n"); |
| } |
| |
| if (p->servername == NULL) |
| return SSL_TLSEXT_ERR_NOACK; |
| |
| if (servername != NULL) { |
| if (OPENSSL_strcasecmp(servername, p->servername)) |
| return p->extension_error; |
| if (ctx2 != NULL) { |
| BIO_printf(p->biodebug, "Switching server context.\n"); |
| SSL_set_SSL_CTX(s, ctx2); |
| } |
| } |
| return SSL_TLSEXT_ERR_OK; |
| } |
| |
| /* Structure passed to cert status callback */ |
| typedef struct tlsextstatusctx_st { |
| int timeout; |
| /* File to load OCSP Response from (or NULL if no file) */ |
| char *respin; |
| /* Default responder to use */ |
| char *host, *path, *port; |
| char *proxy, *no_proxy; |
| int use_ssl; |
| int verbose; |
| } tlsextstatusctx; |
| |
| static tlsextstatusctx tlscstatp = { -1 }; |
| |
| #ifndef OPENSSL_NO_OCSP |
| |
| /* |
| * Helper function to get an OCSP_RESPONSE from a responder. This is a |
| * simplified version. It examines certificates each time and makes one OCSP |
| * responder query for each request. A full version would store details such as |
| * the OCSP certificate IDs and minimise the number of OCSP responses by caching |
| * them until they were considered "expired". |
| */ |
| static int get_ocsp_resp_from_responder(SSL *s, tlsextstatusctx *srctx, |
| OCSP_RESPONSE **resp) |
| { |
| char *host = NULL, *port = NULL, *path = NULL; |
| char *proxy = NULL, *no_proxy = NULL; |
| int use_ssl; |
| STACK_OF(OPENSSL_STRING) *aia = NULL; |
| X509 *x = NULL; |
| X509_STORE_CTX *inctx = NULL; |
| X509_OBJECT *obj; |
| OCSP_REQUEST *req = NULL; |
| OCSP_CERTID *id = NULL; |
| STACK_OF(X509_EXTENSION) *exts; |
| int ret = SSL_TLSEXT_ERR_NOACK; |
| int i; |
| |
| /* Build up OCSP query from server certificate */ |
| x = SSL_get_certificate(s); |
| aia = X509_get1_ocsp(x); |
| if (aia != NULL) { |
| if (!OSSL_HTTP_parse_url(sk_OPENSSL_STRING_value(aia, 0), &use_ssl, |
| NULL, &host, &port, NULL, &path, NULL, NULL)) { |
| BIO_puts(bio_err, "cert_status: can't parse AIA URL\n"); |
| goto err; |
| } |
| if (srctx->verbose) |
| BIO_printf(bio_err, "cert_status: AIA URL: %s\n", |
| sk_OPENSSL_STRING_value(aia, 0)); |
| } else { |
| if (srctx->host == NULL) { |
| BIO_puts(bio_err, |
| "cert_status: no AIA and no default responder URL\n"); |
| goto done; |
| } |
| host = srctx->host; |
| path = srctx->path; |
| port = srctx->port; |
| use_ssl = srctx->use_ssl; |
| } |
| proxy = srctx->proxy; |
| no_proxy = srctx->no_proxy; |
| |
| inctx = X509_STORE_CTX_new(); |
| if (inctx == NULL) |
| goto err; |
| if (!X509_STORE_CTX_init(inctx, |
| SSL_CTX_get_cert_store(SSL_get_SSL_CTX(s)), |
| NULL, NULL)) |
| goto err; |
| obj = X509_STORE_CTX_get_obj_by_subject(inctx, X509_LU_X509, |
| X509_get_issuer_name(x)); |
| if (obj == NULL) { |
| BIO_puts(bio_err, "cert_status: Can't retrieve issuer certificate.\n"); |
| goto done; |
| } |
| id = OCSP_cert_to_id(NULL, x, X509_OBJECT_get0_X509(obj)); |
| X509_OBJECT_free(obj); |
| if (id == NULL) |
| goto err; |
| req = OCSP_REQUEST_new(); |
| if (req == NULL) |
| goto err; |
| if (!OCSP_request_add0_id(req, id)) |
| goto err; |
| id = NULL; |
| /* Add any extensions to the request */ |
| SSL_get_tlsext_status_exts(s, &exts); |
| for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) { |
| X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i); |
| if (!OCSP_REQUEST_add_ext(req, ext, -1)) |
| goto err; |
| } |
| *resp = process_responder(req, host, port, path, proxy, no_proxy, |
| use_ssl, NULL /* headers */, srctx->timeout); |
| if (*resp == NULL) { |
| BIO_puts(bio_err, "cert_status: error querying responder\n"); |
| goto done; |
| } |
| |
| ret = SSL_TLSEXT_ERR_OK; |
| goto done; |
| |
| err: |
| ret = SSL_TLSEXT_ERR_ALERT_FATAL; |
| done: |
| /* |
| * If we parsed aia we need to free; otherwise they were copied and we |
| * don't |
| */ |
| if (aia != NULL) { |
| OPENSSL_free(host); |
| OPENSSL_free(path); |
| OPENSSL_free(port); |
| X509_email_free(aia); |
| } |
| OCSP_CERTID_free(id); |
| OCSP_REQUEST_free(req); |
| X509_STORE_CTX_free(inctx); |
| return ret; |
| } |
| |
| /* |
| * Certificate Status callback. This is called when a client includes a |
| * certificate status request extension. The response is either obtained from a |
| * file, or from an OCSP responder. |
| */ |
| static int cert_status_cb(SSL *s, void *arg) |
| { |
| tlsextstatusctx *srctx = arg; |
| OCSP_RESPONSE *resp = NULL; |
| unsigned char *rspder = NULL; |
| int rspderlen; |
| int ret = SSL_TLSEXT_ERR_ALERT_FATAL; |
| |
| if (srctx->verbose) |
| BIO_puts(bio_err, "cert_status: callback called\n"); |
| |
| if (srctx->respin != NULL) { |
| BIO *derbio = bio_open_default(srctx->respin, 'r', FORMAT_ASN1); |
| if (derbio == NULL) { |
| BIO_puts(bio_err, "cert_status: Cannot open OCSP response file\n"); |
| goto err; |
| } |
| resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); |
| BIO_free(derbio); |
| if (resp == NULL) { |
| BIO_puts(bio_err, "cert_status: Error reading OCSP response\n"); |
| goto err; |
| } |
| } else { |
| ret = get_ocsp_resp_from_responder(s, srctx, &resp); |
| if (ret != SSL_TLSEXT_ERR_OK) |
| goto err; |
| } |
| |
| rspderlen = i2d_OCSP_RESPONSE(resp, &rspder); |
| if (rspderlen <= 0) |
| goto err; |
| |
| SSL_set_tlsext_status_ocsp_resp(s, rspder, rspderlen); |
| if (srctx->verbose) { |
| BIO_puts(bio_err, "cert_status: ocsp response sent:\n"); |
| OCSP_RESPONSE_print(bio_err, resp, 2); |
| } |
| |
| ret = SSL_TLSEXT_ERR_OK; |
| |
| err: |
| if (ret != SSL_TLSEXT_ERR_OK) |
| ERR_print_errors(bio_err); |
| |
| OCSP_RESPONSE_free(resp); |
| |
| return ret; |
| } |
| #endif |
| |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| /* This is the context that we pass to next_proto_cb */ |
| typedef struct tlsextnextprotoctx_st { |
| unsigned char *data; |
| size_t len; |
| } tlsextnextprotoctx; |
| |
| static int next_proto_cb(SSL *s, const unsigned char **data, |
| unsigned int *len, void *arg) |
| { |
| tlsextnextprotoctx *next_proto = arg; |
| |
| *data = next_proto->data; |
| *len = next_proto->len; |
| |
| return SSL_TLSEXT_ERR_OK; |
| } |
| #endif /* ndef OPENSSL_NO_NEXTPROTONEG */ |
| |
| /* This the context that we pass to alpn_cb */ |
| typedef struct tlsextalpnctx_st { |
| unsigned char *data; |
| size_t len; |
| } tlsextalpnctx; |
| |
| static int alpn_cb(SSL *s, const unsigned char **out, unsigned char *outlen, |
| const unsigned char *in, unsigned int inlen, void *arg) |
| { |
| tlsextalpnctx *alpn_ctx = arg; |
| |
| if (!s_quiet) { |
| /* We can assume that |in| is syntactically valid. */ |
| unsigned int i; |
| BIO_printf(bio_s_out, "ALPN protocols advertised by the client: "); |
| for (i = 0; i < inlen;) { |
| if (i) |
| BIO_write(bio_s_out, ", ", 2); |
| BIO_write(bio_s_out, &in[i + 1], in[i]); |
| i += in[i] + 1; |
| } |
| BIO_write(bio_s_out, "\n", 1); |
| } |
| |
| if (SSL_select_next_proto |
| ((unsigned char **)out, outlen, alpn_ctx->data, alpn_ctx->len, in, |
| inlen) != OPENSSL_NPN_NEGOTIATED) { |
| return SSL_TLSEXT_ERR_ALERT_FATAL; |
| } |
| |
| if (!s_quiet) { |
| BIO_printf(bio_s_out, "ALPN protocols selected: "); |
| BIO_write(bio_s_out, *out, *outlen); |
| BIO_write(bio_s_out, "\n", 1); |
| } |
| |
| return SSL_TLSEXT_ERR_OK; |
| } |
| |
| static int not_resumable_sess_cb(SSL *s, int is_forward_secure) |
| { |
| /* disable resumption for sessions with forward secure ciphers */ |
| return is_forward_secure; |
| } |
| |
| typedef enum OPTION_choice { |
| OPT_COMMON, |
| OPT_ENGINE, |
| OPT_4, OPT_6, OPT_ACCEPT, OPT_PORT, OPT_UNIX, OPT_UNLINK, OPT_NACCEPT, |
| OPT_VERIFY, OPT_NAMEOPT, OPT_UPPER_V_VERIFY, OPT_CONTEXT, OPT_CERT, OPT_CRL, |
| OPT_CRL_DOWNLOAD, OPT_SERVERINFO, OPT_CERTFORM, OPT_KEY, OPT_KEYFORM, |
| OPT_PASS, OPT_CERT_CHAIN, OPT_DHPARAM, OPT_DCERTFORM, OPT_DCERT, |
| OPT_DKEYFORM, OPT_DPASS, OPT_DKEY, OPT_DCERT_CHAIN, OPT_NOCERT, |
| OPT_CAPATH, OPT_NOCAPATH, OPT_CHAINCAPATH, OPT_VERIFYCAPATH, OPT_NO_CACHE, |
| OPT_EXT_CACHE, OPT_CRLFORM, OPT_VERIFY_RET_ERROR, OPT_VERIFY_QUIET, |
| OPT_BUILD_CHAIN, OPT_CAFILE, OPT_NOCAFILE, OPT_CHAINCAFILE, |
| OPT_VERIFYCAFILE, |
| OPT_CASTORE, OPT_NOCASTORE, OPT_CHAINCASTORE, OPT_VERIFYCASTORE, |
| OPT_NBIO, OPT_NBIO_TEST, OPT_IGN_EOF, OPT_NO_IGN_EOF, |
| OPT_DEBUG, OPT_TLSEXTDEBUG, OPT_STATUS, OPT_STATUS_VERBOSE, |
| OPT_STATUS_TIMEOUT, OPT_PROXY, OPT_NO_PROXY, OPT_STATUS_URL, |
| OPT_STATUS_FILE, OPT_MSG, OPT_MSGFILE, |
| OPT_TRACE, OPT_SECURITY_DEBUG, OPT_SECURITY_DEBUG_VERBOSE, OPT_STATE, |
| OPT_CRLF, OPT_QUIET, OPT_BRIEF, OPT_NO_DHE, |
| OPT_NO_RESUME_EPHEMERAL, OPT_PSK_IDENTITY, OPT_PSK_HINT, OPT_PSK, |
| OPT_PSK_SESS, OPT_SRPVFILE, OPT_SRPUSERSEED, OPT_REV, OPT_WWW, |
| OPT_UPPER_WWW, OPT_HTTP, OPT_ASYNC, OPT_SSL_CONFIG, |
| OPT_MAX_SEND_FRAG, OPT_SPLIT_SEND_FRAG, OPT_MAX_PIPELINES, OPT_READ_BUF, |
| OPT_SSL3, OPT_TLS1_3, OPT_TLS1_2, OPT_TLS1_1, OPT_TLS1, OPT_DTLS, OPT_DTLS1, |
| OPT_DTLS1_2, OPT_SCTP, OPT_TIMEOUT, OPT_MTU, OPT_LISTEN, OPT_STATELESS, |
| OPT_ID_PREFIX, OPT_SERVERNAME, OPT_SERVERNAME_FATAL, |
| OPT_CERT2, OPT_KEY2, OPT_NEXTPROTONEG, OPT_ALPN, OPT_SENDFILE, |
| OPT_SRTP_PROFILES, OPT_KEYMATEXPORT, OPT_KEYMATEXPORTLEN, |
| OPT_KEYLOG_FILE, OPT_MAX_EARLY, OPT_RECV_MAX_EARLY, OPT_EARLY_DATA, |
| OPT_S_NUM_TICKETS, OPT_ANTI_REPLAY, OPT_NO_ANTI_REPLAY, OPT_SCTP_LABEL_BUG, |
| OPT_HTTP_SERVER_BINMODE, OPT_NOCANAMES, OPT_IGNORE_UNEXPECTED_EOF, OPT_KTLS, |
| OPT_TFO, |
| OPT_R_ENUM, |
| OPT_S_ENUM, |
| OPT_V_ENUM, |
| OPT_X_ENUM, |
| OPT_PROV_ENUM |
| } OPTION_CHOICE; |
| |
| const OPTIONS s_server_options[] = { |
| OPT_SECTION("General"), |
| {"help", OPT_HELP, '-', "Display this summary"}, |
| {"ssl_config", OPT_SSL_CONFIG, 's', |
| "Configure SSL_CTX using the given configuration value"}, |
| #ifndef OPENSSL_NO_SSL_TRACE |
| {"trace", OPT_TRACE, '-', "trace protocol messages"}, |
| #endif |
| #ifndef OPENSSL_NO_ENGINE |
| {"engine", OPT_ENGINE, 's', "Use engine, possibly a hardware device"}, |
| #endif |
| |
| OPT_SECTION("Network"), |
| {"port", OPT_PORT, 'p', |
| "TCP/IP port to listen on for connections (default is " PORT ")"}, |
| {"accept", OPT_ACCEPT, 's', |
| "TCP/IP optional host and port to listen on for connections (default is *:" PORT ")"}, |
| #ifdef AF_UNIX |
| {"unix", OPT_UNIX, 's', "Unix domain socket to accept on"}, |
| {"unlink", OPT_UNLINK, '-', "For -unix, unlink existing socket first"}, |
| #endif |
| {"4", OPT_4, '-', "Use IPv4 only"}, |
| {"6", OPT_6, '-', "Use IPv6 only"}, |
| #if defined(TCP_FASTOPEN) && !defined(OPENSSL_NO_TFO) |
| {"tfo", OPT_TFO, '-', "Listen for TCP Fast Open connections"}, |
| #endif |
| |
| OPT_SECTION("Identity"), |
| {"context", OPT_CONTEXT, 's', "Set session ID context"}, |
| {"CAfile", OPT_CAFILE, '<', "PEM format file of CA's"}, |
| {"CApath", OPT_CAPATH, '/', "PEM format directory of CA's"}, |
| {"CAstore", OPT_CASTORE, ':', "URI to store of CA's"}, |
| {"no-CAfile", OPT_NOCAFILE, '-', |
| "Do not load the default certificates file"}, |
| {"no-CApath", OPT_NOCAPATH, '-', |
| "Do not load certificates from the default certificates directory"}, |
| {"no-CAstore", OPT_NOCASTORE, '-', |
| "Do not load certificates from the default certificates store URI"}, |
| {"nocert", OPT_NOCERT, '-', "Don't use any certificates (Anon-DH)"}, |
| {"verify", OPT_VERIFY, 'n', "Turn on peer certificate verification"}, |
| {"Verify", OPT_UPPER_V_VERIFY, 'n', |
| "Turn on peer certificate verification, must have a cert"}, |
| {"nameopt", OPT_NAMEOPT, 's', "Certificate subject/issuer name printing options"}, |
| {"cert", OPT_CERT, '<', "Server certificate file to use; default " TEST_CERT}, |
| {"cert2", OPT_CERT2, '<', |
| "Certificate file to use for servername; default " TEST_CERT2}, |
| {"certform", OPT_CERTFORM, 'F', |
| "Server certificate file format (PEM/DER/P12); has no effect"}, |
| {"cert_chain", OPT_CERT_CHAIN, '<', |
| "Server certificate chain file in PEM format"}, |
| {"build_chain", OPT_BUILD_CHAIN, '-', "Build server certificate chain"}, |
| {"serverinfo", OPT_SERVERINFO, 's', |
| "PEM serverinfo file for certificate"}, |
| {"key", OPT_KEY, 's', |
| "Private key file to use; default is -cert file or else" TEST_CERT}, |
| {"key2", OPT_KEY2, '<', |
| "-Private Key file to use for servername if not in -cert2"}, |
| {"keyform", OPT_KEYFORM, 'f', "Key format (ENGINE, other values ignored)"}, |
| {"pass", OPT_PASS, 's', "Private key and cert file pass phrase source"}, |
| {"dcert", OPT_DCERT, '<', |
| "Second server certificate file to use (usually for DSA)"}, |
| {"dcertform", OPT_DCERTFORM, 'F', |
| "Second server certificate file format (PEM/DER/P12); has no effect"}, |
| {"dcert_chain", OPT_DCERT_CHAIN, '<', |
| "second server certificate chain file in PEM format"}, |
| {"dkey", OPT_DKEY, '<', |
| "Second private key file to use (usually for DSA)"}, |
| {"dkeyform", OPT_DKEYFORM, 'F', |
| "Second key file format (ENGINE, other values ignored)"}, |
| {"dpass", OPT_DPASS, 's', |
| "Second private key and cert file pass phrase source"}, |
| {"dhparam", OPT_DHPARAM, '<', "DH parameters file to use"}, |
| {"servername", OPT_SERVERNAME, 's', |
| "Servername for HostName TLS extension"}, |
| {"servername_fatal", OPT_SERVERNAME_FATAL, '-', |
| "On servername mismatch send fatal alert (default warning alert)"}, |
| {"nbio_test", OPT_NBIO_TEST, '-', "Test with the non-blocking test bio"}, |
| {"crlf", OPT_CRLF, '-', "Convert LF from terminal into CRLF"}, |
| {"quiet", OPT_QUIET, '-', "No server output"}, |
| {"no_resume_ephemeral", OPT_NO_RESUME_EPHEMERAL, '-', |
| "Disable caching and tickets if ephemeral (EC)DH is used"}, |
| {"www", OPT_WWW, '-', "Respond to a 'GET /' with a status page"}, |
| {"WWW", OPT_UPPER_WWW, '-', "Respond to a 'GET with the file ./path"}, |
| {"ignore_unexpected_eof", OPT_IGNORE_UNEXPECTED_EOF, '-', |
| "Do not treat lack of close_notify from a peer as an error"}, |
| {"tlsextdebug", OPT_TLSEXTDEBUG, '-', |
| "Hex dump of all TLS extensions received"}, |
| {"HTTP", OPT_HTTP, '-', "Like -WWW but ./path includes HTTP headers"}, |
| {"id_prefix", OPT_ID_PREFIX, 's', |
| "Generate SSL/TLS session IDs prefixed by arg"}, |
| {"keymatexport", OPT_KEYMATEXPORT, 's', |
| "Export keying material using label"}, |
| {"keymatexportlen", OPT_KEYMATEXPORTLEN, 'p', |
| "Export len bytes of keying material; default 20"}, |
| {"CRL", OPT_CRL, '<', "CRL file to use"}, |
| {"CRLform", OPT_CRLFORM, 'F', "CRL file format (PEM or DER); default PEM"}, |
| {"crl_download", OPT_CRL_DOWNLOAD, '-', |
| "Download CRLs from distribution points in certificate CDP entries"}, |
| {"chainCAfile", OPT_CHAINCAFILE, '<', |
| "CA file for certificate chain (PEM format)"}, |
| {"chainCApath", OPT_CHAINCAPATH, '/', |
| "use dir as certificate store path to build CA certificate chain"}, |
| {"chainCAstore", OPT_CHAINCASTORE, ':', |
| "use URI as certificate store to build CA certificate chain"}, |
| {"verifyCAfile", OPT_VERIFYCAFILE, '<', |
| "CA file for certificate verification (PEM format)"}, |
| {"verifyCApath", OPT_VERIFYCAPATH, '/', |
| "use dir as certificate store path to verify CA certificate"}, |
| {"verifyCAstore", OPT_VERIFYCASTORE, ':', |
| "use URI as certificate store to verify CA certificate"}, |
| {"no_cache", OPT_NO_CACHE, '-', "Disable session cache"}, |
| {"ext_cache", OPT_EXT_CACHE, '-', |
| "Disable internal cache, set up and use external cache"}, |
| {"verify_return_error", OPT_VERIFY_RET_ERROR, '-', |
| "Close connection on verification error"}, |
| {"verify_quiet", OPT_VERIFY_QUIET, '-', |
| "No verify output except verify errors"}, |
| {"ign_eof", OPT_IGN_EOF, '-', "Ignore input EOF (default when -quiet)"}, |
| {"no_ign_eof", OPT_NO_IGN_EOF, '-', "Do not ignore input EOF"}, |
| |
| #ifndef OPENSSL_NO_OCSP |
| OPT_SECTION("OCSP"), |
| {"status", OPT_STATUS, '-', "Request certificate status from server"}, |
| {"status_verbose", OPT_STATUS_VERBOSE, '-', |
| "Print more output in certificate status callback"}, |
| {"status_timeout", OPT_STATUS_TIMEOUT, 'n', |
| "Status request responder timeout"}, |
| {"status_url", OPT_STATUS_URL, 's', "Status request fallback URL"}, |
| {"proxy", OPT_PROXY, 's', |
| "[http[s]://]host[:port][/path] of HTTP(S) proxy to use; path is ignored"}, |
| {"no_proxy", OPT_NO_PROXY, 's', |
| "List of addresses of servers not to use HTTP(S) proxy for"}, |
| {OPT_MORE_STR, 0, 0, |
| "Default from environment variable 'no_proxy', else 'NO_PROXY', else none"}, |
| {"status_file", OPT_STATUS_FILE, '<', |
| "File containing DER encoded OCSP Response"}, |
| #endif |
| |
| OPT_SECTION("Debug"), |
| {"security_debug", OPT_SECURITY_DEBUG, '-', |
| "Print output from SSL/TLS security framework"}, |
| {"security_debug_verbose", OPT_SECURITY_DEBUG_VERBOSE, '-', |
| "Print more output from SSL/TLS security framework"}, |
| {"brief", OPT_BRIEF, '-', |
| "Restrict output to brief summary of connection parameters"}, |
| {"rev", OPT_REV, '-', |
| "act as an echo server that sends back received text reversed"}, |
| {"debug", OPT_DEBUG, '-', "Print more output"}, |
| {"msg", OPT_MSG, '-', "Show protocol messages"}, |
| {"msgfile", OPT_MSGFILE, '>', |
| "File to send output of -msg or -trace, instead of stdout"}, |
| {"state", OPT_STATE, '-', "Print the SSL states"}, |
| {"async", OPT_ASYNC, '-', "Operate in asynchronous mode"}, |
| {"max_pipelines", OPT_MAX_PIPELINES, 'p', |
| "Maximum number of encrypt/decrypt pipelines to be used"}, |
| {"naccept", OPT_NACCEPT, 'p', "Terminate after #num connections"}, |
| {"keylogfile", OPT_KEYLOG_FILE, '>', "Write TLS secrets to file"}, |
| |
| OPT_SECTION("Network"), |
| {"nbio", OPT_NBIO, '-', "Use non-blocking IO"}, |
| {"timeout", OPT_TIMEOUT, '-', "Enable timeouts"}, |
| {"mtu", OPT_MTU, 'p', "Set link-layer MTU"}, |
| {"read_buf", OPT_READ_BUF, 'p', |
| "Default read buffer size to be used for connections"}, |
| {"split_send_frag", OPT_SPLIT_SEND_FRAG, 'p', |
| "Size used to split data for encrypt pipelines"}, |
| {"max_send_frag", OPT_MAX_SEND_FRAG, 'p', "Maximum Size of send frames "}, |
| |
| OPT_SECTION("Server identity"), |
| {"psk_identity", OPT_PSK_IDENTITY, 's', "PSK identity to expect"}, |
| #ifndef OPENSSL_NO_PSK |
| {"psk_hint", OPT_PSK_HINT, 's', "PSK identity hint to use"}, |
| #endif |
| {"psk", OPT_PSK, 's', "PSK in hex (without 0x)"}, |
| {"psk_session", OPT_PSK_SESS, '<', "File to read PSK SSL session from"}, |
| #ifndef OPENSSL_NO_SRP |
| {"srpvfile", OPT_SRPVFILE, '<', "(deprecated) The verifier file for SRP"}, |
| {"srpuserseed", OPT_SRPUSERSEED, 's', |
| "(deprecated) A seed string for a default user salt"}, |
| #endif |
| |
| OPT_SECTION("Protocol and version"), |
| {"max_early_data", OPT_MAX_EARLY, 'n', |
| "The maximum number of bytes of early data as advertised in tickets"}, |
| {"recv_max_early_data", OPT_RECV_MAX_EARLY, 'n', |
| "The maximum number of bytes of early data (hard limit)"}, |
| {"early_data", OPT_EARLY_DATA, '-', "Attempt to read early data"}, |
| {"num_tickets", OPT_S_NUM_TICKETS, 'n', |
| "The number of TLSv1.3 session tickets that a server will automatically issue" }, |
| {"anti_replay", OPT_ANTI_REPLAY, '-', "Switch on anti-replay protection (default)"}, |
| {"no_anti_replay", OPT_NO_ANTI_REPLAY, '-', "Switch off anti-replay protection"}, |
| {"http_server_binmode", OPT_HTTP_SERVER_BINMODE, '-', "opening files in binary mode when acting as http server (-WWW and -HTTP)"}, |
| {"no_ca_names", OPT_NOCANAMES, '-', |
| "Disable TLS Extension CA Names"}, |
| {"stateless", OPT_STATELESS, '-', "Require TLSv1.3 cookies"}, |
| #ifndef OPENSSL_NO_SSL3 |
| {"ssl3", OPT_SSL3, '-', "Just talk SSLv3"}, |
| #endif |
| #ifndef OPENSSL_NO_TLS1 |
| {"tls1", OPT_TLS1, '-', "Just talk TLSv1"}, |
| #endif |
| #ifndef OPENSSL_NO_TLS1_1 |
| {"tls1_1", OPT_TLS1_1, '-', "Just talk TLSv1.1"}, |
| #endif |
| #ifndef OPENSSL_NO_TLS1_2 |
| {"tls1_2", OPT_TLS1_2, '-', "just talk TLSv1.2"}, |
| #endif |
| #ifndef OPENSSL_NO_TLS1_3 |
| {"tls1_3", OPT_TLS1_3, '-', "just talk TLSv1.3"}, |
| #endif |
| #ifndef OPENSSL_NO_DTLS |
| {"dtls", OPT_DTLS, '-', "Use any DTLS version"}, |
| {"listen", OPT_LISTEN, '-', |
| "Listen for a DTLS ClientHello with a cookie and then connect"}, |
| #endif |
| #ifndef OPENSSL_NO_DTLS1 |
| {"dtls1", OPT_DTLS1, '-', "Just talk DTLSv1"}, |
| #endif |
| #ifndef OPENSSL_NO_DTLS1_2 |
| {"dtls1_2", OPT_DTLS1_2, '-', "Just talk DTLSv1.2"}, |
| #endif |
| #ifndef OPENSSL_NO_SCTP |
| {"sctp", OPT_SCTP, '-', "Use SCTP"}, |
| {"sctp_label_bug", OPT_SCTP_LABEL_BUG, '-', "Enable SCTP label length bug"}, |
| #endif |
| #ifndef OPENSSL_NO_SRTP |
| {"use_srtp", OPT_SRTP_PROFILES, 's', |
| "Offer SRTP key management with a colon-separated profile list"}, |
| #endif |
| {"no_dhe", OPT_NO_DHE, '-', "Disable ephemeral DH"}, |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| {"nextprotoneg", OPT_NEXTPROTONEG, 's', |
| "Set the advertised protocols for the NPN extension (comma-separated list)"}, |
| #endif |
| {"alpn", OPT_ALPN, 's', |
| "Set the advertised protocols for the ALPN extension (comma-separated list)"}, |
| #ifndef OPENSSL_NO_KTLS |
| {"ktls", OPT_KTLS, '-', "Enable Kernel TLS for sending and receiving"}, |
| {"sendfile", OPT_SENDFILE, '-', "Use sendfile to response file with -WWW"}, |
| #endif |
| |
| OPT_R_OPTIONS, |
| OPT_S_OPTIONS, |
| OPT_V_OPTIONS, |
| OPT_X_OPTIONS, |
| OPT_PROV_OPTIONS, |
| {NULL} |
| }; |
| |
| #define IS_PROT_FLAG(o) \ |
| (o == OPT_SSL3 || o == OPT_TLS1 || o == OPT_TLS1_1 || o == OPT_TLS1_2 \ |
| || o == OPT_TLS1_3 || o == OPT_DTLS || o == OPT_DTLS1 || o == OPT_DTLS1_2) |
| |
| int s_server_main(int argc, char *argv[]) |
| { |
| ENGINE *engine = NULL; |
| EVP_PKEY *s_key = NULL, *s_dkey = NULL; |
| SSL_CONF_CTX *cctx = NULL; |
| const SSL_METHOD *meth = TLS_server_method(); |
| SSL_EXCERT *exc = NULL; |
| STACK_OF(OPENSSL_STRING) *ssl_args = NULL; |
| STACK_OF(X509) *s_chain = NULL, *s_dchain = NULL; |
| STACK_OF(X509_CRL) *crls = NULL; |
| X509 *s_cert = NULL, *s_dcert = NULL; |
| X509_VERIFY_PARAM *vpm = NULL; |
| const char *CApath = NULL, *CAfile = NULL, *CAstore = NULL; |
| const char *chCApath = NULL, *chCAfile = NULL, *chCAstore = NULL; |
| char *dpassarg = NULL, *dpass = NULL; |
| char *passarg = NULL, *pass = NULL; |
| char *vfyCApath = NULL, *vfyCAfile = NULL, *vfyCAstore = NULL; |
| char *crl_file = NULL, *prog; |
| #ifdef AF_UNIX |
| int unlink_unix_path = 0; |
| #endif |
| do_server_cb server_cb; |
| int vpmtouched = 0, build_chain = 0, no_cache = 0, ext_cache = 0; |
| char *dhfile = NULL; |
| int no_dhe = 0; |
| int nocert = 0, ret = 1; |
| int noCApath = 0, noCAfile = 0, noCAstore = 0; |
| int s_cert_format = FORMAT_UNDEF, s_key_format = FORMAT_UNDEF; |
| int s_dcert_format = FORMAT_UNDEF, s_dkey_format = FORMAT_UNDEF; |
| int rev = 0, naccept = -1, sdebug = 0; |
| int socket_family = AF_UNSPEC, socket_type = SOCK_STREAM, protocol = 0; |
| int state = 0, crl_format = FORMAT_UNDEF, crl_download = 0; |
| char *host = NULL; |
| char *port = NULL; |
| unsigned char *context = NULL; |
| OPTION_CHOICE o; |
| EVP_PKEY *s_key2 = NULL; |
| X509 *s_cert2 = NULL; |
| tlsextctx tlsextcbp = { NULL, NULL, SSL_TLSEXT_ERR_ALERT_WARNING }; |
| const char *ssl_config = NULL; |
| int read_buf_len = 0; |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| const char *next_proto_neg_in = NULL; |
| tlsextnextprotoctx next_proto = { NULL, 0 }; |
| #endif |
| const char *alpn_in = NULL; |
| tlsextalpnctx alpn_ctx = { NULL, 0 }; |
| #ifndef OPENSSL_NO_PSK |
| /* by default do not send a PSK identity hint */ |
| char *psk_identity_hint = NULL; |
| #endif |
| char *p; |
| #ifndef OPENSSL_NO_SRP |
| char *srpuserseed = NULL; |
| char *srp_verifier_file = NULL; |
| #endif |
| #ifndef OPENSSL_NO_SRTP |
| char *srtp_profiles = NULL; |
| #endif |
| int min_version = 0, max_version = 0, prot_opt = 0, no_prot_opt = 0; |
| int s_server_verify = SSL_VERIFY_NONE; |
| int s_server_session_id_context = 1; /* anything will do */ |
| const char *s_cert_file = TEST_CERT, *s_key_file = NULL, *s_chain_file = NULL; |
| const char *s_cert_file2 = TEST_CERT2, *s_key_file2 = NULL; |
| char *s_dcert_file = NULL, *s_dkey_file = NULL, *s_dchain_file = NULL; |
| #ifndef OPENSSL_NO_OCSP |
| int s_tlsextstatus = 0; |
| #endif |
| int no_resume_ephemeral = 0; |
| unsigned int max_send_fragment = 0; |
| unsigned int split_send_fragment = 0, max_pipelines = 0; |
| const char *s_serverinfo_file = NULL; |
| const char *keylog_file = NULL; |
| int max_early_data = -1, recv_max_early_data = -1; |
| char *psksessf = NULL; |
| int no_ca_names = 0; |
| #ifndef OPENSSL_NO_SCTP |
| int sctp_label_bug = 0; |
| #endif |
| int ignore_unexpected_eof = 0; |
| #ifndef OPENSSL_NO_KTLS |
| int enable_ktls = 0; |
| #endif |
| int tfo = 0; |
| |
| /* Init of few remaining global variables */ |
| local_argc = argc; |
| local_argv = argv; |
| |
| ctx = ctx2 = NULL; |
| s_nbio = s_nbio_test = 0; |
| www = 0; |
| bio_s_out = NULL; |
| s_debug = 0; |
| s_msg = 0; |
| s_quiet = 0; |
| s_brief = 0; |
| async = 0; |
| use_sendfile = 0; |
| |
| port = OPENSSL_strdup(PORT); |
| cctx = SSL_CONF_CTX_new(); |
| vpm = X509_VERIFY_PARAM_new(); |
| if (port == NULL || cctx == NULL || vpm == NULL) |
| goto end; |
| SSL_CONF_CTX_set_flags(cctx, |
| SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CMDLINE); |
| |
| prog = opt_init(argc, argv, s_server_options); |
| while ((o = opt_next()) != OPT_EOF) { |
| if (IS_PROT_FLAG(o) && ++prot_opt > 1) { |
| BIO_printf(bio_err, "Cannot supply multiple protocol flags\n"); |
| goto end; |
| } |
| if (IS_NO_PROT_FLAG(o)) |
| no_prot_opt++; |
| if (prot_opt == 1 && no_prot_opt) { |
| BIO_printf(bio_err, |
| "Cannot supply both a protocol flag and '-no_<prot>'\n"); |
| goto end; |
| } |
| switch (o) { |
| case OPT_EOF: |
| case OPT_ERR: |
| opthelp: |
| BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); |
| goto end; |
| case OPT_HELP: |
| opt_help(s_server_options); |
| ret = 0; |
| goto end; |
| |
| case OPT_4: |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX) { |
| OPENSSL_free(host); host = NULL; |
| OPENSSL_free(port); port = NULL; |
| } |
| #endif |
| socket_family = AF_INET; |
| break; |
| case OPT_6: |
| if (1) { |
| #ifdef AF_INET6 |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX) { |
| OPENSSL_free(host); host = NULL; |
| OPENSSL_free(port); port = NULL; |
| } |
| #endif |
| socket_family = AF_INET6; |
| } else { |
| #endif |
| BIO_printf(bio_err, "%s: IPv6 domain sockets unsupported\n", prog); |
| goto end; |
| } |
| break; |
| case OPT_PORT: |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX) { |
| socket_family = AF_UNSPEC; |
| } |
| #endif |
| OPENSSL_free(port); port = NULL; |
| OPENSSL_free(host); host = NULL; |
| if (BIO_parse_hostserv(opt_arg(), NULL, &port, BIO_PARSE_PRIO_SERV) < 1) { |
| BIO_printf(bio_err, |
| "%s: -port argument malformed or ambiguous\n", |
| port); |
| goto end; |
| } |
| break; |
| case OPT_ACCEPT: |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX) { |
| socket_family = AF_UNSPEC; |
| } |
| #endif |
| OPENSSL_free(port); port = NULL; |
| OPENSSL_free(host); host = NULL; |
| if (BIO_parse_hostserv(opt_arg(), &host, &port, BIO_PARSE_PRIO_SERV) < 1) { |
| BIO_printf(bio_err, |
| "%s: -accept argument malformed or ambiguous\n", |
| port); |
| goto end; |
| } |
| break; |
| #ifdef AF_UNIX |
| case OPT_UNIX: |
| socket_family = AF_UNIX; |
| OPENSSL_free(host); host = OPENSSL_strdup(opt_arg()); |
| OPENSSL_free(port); port = NULL; |
| break; |
| case OPT_UNLINK: |
| unlink_unix_path = 1; |
| break; |
| #endif |
| case OPT_NACCEPT: |
| naccept = atol(opt_arg()); |
| break; |
| case OPT_VERIFY: |
| s_server_verify = SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE; |
| verify_args.depth = atoi(opt_arg()); |
| if (!s_quiet) |
| BIO_printf(bio_err, "verify depth is %d\n", verify_args.depth); |
| break; |
| case OPT_UPPER_V_VERIFY: |
| s_server_verify = |
| SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT | |
| SSL_VERIFY_CLIENT_ONCE; |
| verify_args.depth = atoi(opt_arg()); |
| if (!s_quiet) |
| BIO_printf(bio_err, |
| "verify depth is %d, must return a certificate\n", |
| verify_args.depth); |
| break; |
| case OPT_CONTEXT: |
| context = (unsigned char *)opt_arg(); |
| break; |
| case OPT_CERT: |
| s_cert_file = opt_arg(); |
| break; |
| case OPT_NAMEOPT: |
| if (!set_nameopt(opt_arg())) |
| goto end; |
| break; |
| case OPT_CRL: |
| crl_file = opt_arg(); |
| break; |
| case OPT_CRL_DOWNLOAD: |
| crl_download = 1; |
| break; |
| case OPT_SERVERINFO: |
| s_serverinfo_file = opt_arg(); |
| break; |
| case OPT_CERTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_cert_format)) |
| goto opthelp; |
| break; |
| case OPT_KEY: |
| s_key_file = opt_arg(); |
| break; |
| case OPT_KEYFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_key_format)) |
| goto opthelp; |
| break; |
| case OPT_PASS: |
| passarg = opt_arg(); |
| break; |
| case OPT_CERT_CHAIN: |
| s_chain_file = opt_arg(); |
| break; |
| case OPT_DHPARAM: |
| dhfile = opt_arg(); |
| break; |
| case OPT_DCERTFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dcert_format)) |
| goto opthelp; |
| break; |
| case OPT_DCERT: |
| s_dcert_file = opt_arg(); |
| break; |
| case OPT_DKEYFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_ANY, &s_dkey_format)) |
| goto opthelp; |
| break; |
| case OPT_DPASS: |
| dpassarg = opt_arg(); |
| break; |
| case OPT_DKEY: |
| s_dkey_file = opt_arg(); |
| break; |
| case OPT_DCERT_CHAIN: |
| s_dchain_file = opt_arg(); |
| break; |
| case OPT_NOCERT: |
| nocert = 1; |
| break; |
| case OPT_CAPATH: |
| CApath = opt_arg(); |
| break; |
| case OPT_NOCAPATH: |
| noCApath = 1; |
| break; |
| case OPT_CHAINCAPATH: |
| chCApath = opt_arg(); |
| break; |
| case OPT_VERIFYCAPATH: |
| vfyCApath = opt_arg(); |
| break; |
| case OPT_CASTORE: |
| CAstore = opt_arg(); |
| break; |
| case OPT_NOCASTORE: |
| noCAstore = 1; |
| break; |
| case OPT_CHAINCASTORE: |
| chCAstore = opt_arg(); |
| break; |
| case OPT_VERIFYCASTORE: |
| vfyCAstore = opt_arg(); |
| break; |
| case OPT_NO_CACHE: |
| no_cache = 1; |
| break; |
| case OPT_EXT_CACHE: |
| ext_cache = 1; |
| break; |
| case OPT_CRLFORM: |
| if (!opt_format(opt_arg(), OPT_FMT_PEMDER, &crl_format)) |
| goto opthelp; |
| break; |
| case OPT_S_CASES: |
| case OPT_S_NUM_TICKETS: |
| case OPT_ANTI_REPLAY: |
| case OPT_NO_ANTI_REPLAY: |
| if (ssl_args == NULL) |
| ssl_args = sk_OPENSSL_STRING_new_null(); |
| if (ssl_args == NULL |
| || !sk_OPENSSL_STRING_push(ssl_args, opt_flag()) |
| || !sk_OPENSSL_STRING_push(ssl_args, opt_arg())) { |
| BIO_printf(bio_err, "%s: Memory allocation failure\n", prog); |
| goto end; |
| } |
| break; |
| case OPT_V_CASES: |
| if (!opt_verify(o, vpm)) |
| goto end; |
| vpmtouched++; |
| break; |
| case OPT_X_CASES: |
| if (!args_excert(o, &exc)) |
| goto end; |
| break; |
| case OPT_VERIFY_RET_ERROR: |
| verify_args.return_error = 1; |
| break; |
| case OPT_VERIFY_QUIET: |
| verify_args.quiet = 1; |
| break; |
| case OPT_BUILD_CHAIN: |
| build_chain = 1; |
| break; |
| case OPT_CAFILE: |
| CAfile = opt_arg(); |
| break; |
| case OPT_NOCAFILE: |
| noCAfile = 1; |
| break; |
| case OPT_CHAINCAFILE: |
| chCAfile = opt_arg(); |
| break; |
| case OPT_VERIFYCAFILE: |
| vfyCAfile = opt_arg(); |
| break; |
| case OPT_NBIO: |
| s_nbio = 1; |
| break; |
| case OPT_NBIO_TEST: |
| s_nbio = s_nbio_test = 1; |
| break; |
| case OPT_IGN_EOF: |
| s_ign_eof = 1; |
| break; |
| case OPT_NO_IGN_EOF: |
| s_ign_eof = 0; |
| break; |
| case OPT_DEBUG: |
| s_debug = 1; |
| break; |
| case OPT_TLSEXTDEBUG: |
| s_tlsextdebug = 1; |
| break; |
| case OPT_STATUS: |
| #ifndef OPENSSL_NO_OCSP |
| s_tlsextstatus = 1; |
| #endif |
| break; |
| case OPT_STATUS_VERBOSE: |
| #ifndef OPENSSL_NO_OCSP |
| s_tlsextstatus = tlscstatp.verbose = 1; |
| #endif |
| break; |
| case OPT_STATUS_TIMEOUT: |
| #ifndef OPENSSL_NO_OCSP |
| s_tlsextstatus = 1; |
| tlscstatp.timeout = atoi(opt_arg()); |
| #endif |
| break; |
| case OPT_PROXY: |
| #ifndef OPENSSL_NO_OCSP |
| tlscstatp.proxy = opt_arg(); |
| #endif |
| break; |
| case OPT_NO_PROXY: |
| #ifndef OPENSSL_NO_OCSP |
| tlscstatp.no_proxy = opt_arg(); |
| #endif |
| break; |
| case OPT_STATUS_URL: |
| #ifndef OPENSSL_NO_OCSP |
| s_tlsextstatus = 1; |
| if (!OSSL_HTTP_parse_url(opt_arg(), &tlscstatp.use_ssl, NULL, |
| &tlscstatp.host, &tlscstatp.port, NULL, |
| &tlscstatp.path, NULL, NULL)) { |
| BIO_printf(bio_err, "Error parsing -status_url argument\n"); |
| goto end; |
| } |
| #endif |
| break; |
| case OPT_STATUS_FILE: |
| #ifndef OPENSSL_NO_OCSP |
| s_tlsextstatus = 1; |
| tlscstatp.respin = opt_arg(); |
| #endif |
| break; |
| case OPT_MSG: |
| s_msg = 1; |
| break; |
| case OPT_MSGFILE: |
| bio_s_msg = BIO_new_file(opt_arg(), "w"); |
| if (bio_s_msg == NULL) { |
| BIO_printf(bio_err, "Error writing file %s\n", opt_arg()); |
| goto end; |
| } |
| break; |
| case OPT_TRACE: |
| #ifndef OPENSSL_NO_SSL_TRACE |
| s_msg = 2; |
| #endif |
| break; |
| case OPT_SECURITY_DEBUG: |
| sdebug = 1; |
| break; |
| case OPT_SECURITY_DEBUG_VERBOSE: |
| sdebug = 2; |
| break; |
| case OPT_STATE: |
| state = 1; |
| break; |
| case OPT_CRLF: |
| s_crlf = 1; |
| break; |
| case OPT_QUIET: |
| s_quiet = 1; |
| break; |
| case OPT_BRIEF: |
| s_quiet = s_brief = verify_args.quiet = 1; |
| break; |
| case OPT_NO_DHE: |
| no_dhe = 1; |
| break; |
| case OPT_NO_RESUME_EPHEMERAL: |
| no_resume_ephemeral = 1; |
| break; |
| case OPT_PSK_IDENTITY: |
| psk_identity = opt_arg(); |
| break; |
| case OPT_PSK_HINT: |
| #ifndef OPENSSL_NO_PSK |
| psk_identity_hint = opt_arg(); |
| #endif |
| break; |
| case OPT_PSK: |
| for (p = psk_key = opt_arg(); *p; p++) { |
| if (isxdigit(_UC(*p))) |
| continue; |
| BIO_printf(bio_err, "Not a hex number '%s'\n", psk_key); |
| goto end; |
| } |
| break; |
| case OPT_PSK_SESS: |
| psksessf = opt_arg(); |
| break; |
| case OPT_SRPVFILE: |
| #ifndef OPENSSL_NO_SRP |
| srp_verifier_file = opt_arg(); |
| if (min_version < TLS1_VERSION) |
| min_version = TLS1_VERSION; |
| #endif |
| break; |
| case OPT_SRPUSERSEED: |
| #ifndef OPENSSL_NO_SRP |
| srpuserseed = opt_arg(); |
| if (min_version < TLS1_VERSION) |
| min_version = TLS1_VERSION; |
| #endif |
| break; |
| case OPT_REV: |
| rev = 1; |
| break; |
| case OPT_WWW: |
| www = 1; |
| break; |
| case OPT_UPPER_WWW: |
| www = 2; |
| break; |
| case OPT_HTTP: |
| www = 3; |
| break; |
| case OPT_SSL_CONFIG: |
| ssl_config = opt_arg(); |
| break; |
| case OPT_SSL3: |
| min_version = SSL3_VERSION; |
| max_version = SSL3_VERSION; |
| break; |
| case OPT_TLS1_3: |
| min_version = TLS1_3_VERSION; |
| max_version = TLS1_3_VERSION; |
| break; |
| case OPT_TLS1_2: |
| min_version = TLS1_2_VERSION; |
| max_version = TLS1_2_VERSION; |
| break; |
| case OPT_TLS1_1: |
| min_version = TLS1_1_VERSION; |
| max_version = TLS1_1_VERSION; |
| break; |
| case OPT_TLS1: |
| min_version = TLS1_VERSION; |
| max_version = TLS1_VERSION; |
| break; |
| case OPT_DTLS: |
| #ifndef OPENSSL_NO_DTLS |
| meth = DTLS_server_method(); |
| socket_type = SOCK_DGRAM; |
| #endif |
| break; |
| case OPT_DTLS1: |
| #ifndef OPENSSL_NO_DTLS |
| meth = DTLS_server_method(); |
| min_version = DTLS1_VERSION; |
| max_version = DTLS1_VERSION; |
| socket_type = SOCK_DGRAM; |
| #endif |
| break; |
| case OPT_DTLS1_2: |
| #ifndef OPENSSL_NO_DTLS |
| meth = DTLS_server_method(); |
| min_version = DTLS1_2_VERSION; |
| max_version = DTLS1_2_VERSION; |
| socket_type = SOCK_DGRAM; |
| #endif |
| break; |
| case OPT_SCTP: |
| #ifndef OPENSSL_NO_SCTP |
| protocol = IPPROTO_SCTP; |
| #endif |
| break; |
| case OPT_SCTP_LABEL_BUG: |
| #ifndef OPENSSL_NO_SCTP |
| sctp_label_bug = 1; |
| #endif |
| break; |
| case OPT_TIMEOUT: |
| #ifndef OPENSSL_NO_DTLS |
| enable_timeouts = 1; |
| #endif |
| break; |
| case OPT_MTU: |
| #ifndef OPENSSL_NO_DTLS |
| socket_mtu = atol(opt_arg()); |
| #endif |
| break; |
| case OPT_LISTEN: |
| #ifndef OPENSSL_NO_DTLS |
| dtlslisten = 1; |
| #endif |
| break; |
| case OPT_STATELESS: |
| stateless = 1; |
| break; |
| case OPT_ID_PREFIX: |
| session_id_prefix = opt_arg(); |
| break; |
| case OPT_ENGINE: |
| #ifndef OPENSSL_NO_ENGINE |
| engine = setup_engine(opt_arg(), s_debug); |
| #endif |
| break; |
| case OPT_R_CASES: |
| if (!opt_rand(o)) |
| goto end; |
| break; |
| case OPT_PROV_CASES: |
| if (!opt_provider(o)) |
| goto end; |
| break; |
| case OPT_SERVERNAME: |
| tlsextcbp.servername = opt_arg(); |
| break; |
| case OPT_SERVERNAME_FATAL: |
| tlsextcbp.extension_error = SSL_TLSEXT_ERR_ALERT_FATAL; |
| break; |
| case OPT_CERT2: |
| s_cert_file2 = opt_arg(); |
| break; |
| case OPT_KEY2: |
| s_key_file2 = opt_arg(); |
| break; |
| case OPT_NEXTPROTONEG: |
| # ifndef OPENSSL_NO_NEXTPROTONEG |
| next_proto_neg_in = opt_arg(); |
| #endif |
| break; |
| case OPT_ALPN: |
| alpn_in = opt_arg(); |
| break; |
| case OPT_SRTP_PROFILES: |
| #ifndef OPENSSL_NO_SRTP |
| srtp_profiles = opt_arg(); |
| #endif |
| break; |
| case OPT_KEYMATEXPORT: |
| keymatexportlabel = opt_arg(); |
| break; |
| case OPT_KEYMATEXPORTLEN: |
| keymatexportlen = atoi(opt_arg()); |
| break; |
| case OPT_ASYNC: |
| async = 1; |
| break; |
| case OPT_MAX_SEND_FRAG: |
| max_send_fragment = atoi(opt_arg()); |
| break; |
| case OPT_SPLIT_SEND_FRAG: |
| split_send_fragment = atoi(opt_arg()); |
| break; |
| case OPT_MAX_PIPELINES: |
| max_pipelines = atoi(opt_arg()); |
| break; |
| case OPT_READ_BUF: |
| read_buf_len = atoi(opt_arg()); |
| break; |
| case OPT_KEYLOG_FILE: |
| keylog_file = opt_arg(); |
| break; |
| case OPT_MAX_EARLY: |
| max_early_data = atoi(opt_arg()); |
| if (max_early_data < 0) { |
| BIO_printf(bio_err, "Invalid value for max_early_data\n"); |
| goto end; |
| } |
| break; |
| case OPT_RECV_MAX_EARLY: |
| recv_max_early_data = atoi(opt_arg()); |
| if (recv_max_early_data < 0) { |
| BIO_printf(bio_err, "Invalid value for recv_max_early_data\n"); |
| goto end; |
| } |
| break; |
| case OPT_EARLY_DATA: |
| early_data = 1; |
| if (max_early_data == -1) |
| max_early_data = SSL3_RT_MAX_PLAIN_LENGTH; |
| break; |
| case OPT_HTTP_SERVER_BINMODE: |
| http_server_binmode = 1; |
| break; |
| case OPT_NOCANAMES: |
| no_ca_names = 1; |
| break; |
| case OPT_KTLS: |
| #ifndef OPENSSL_NO_KTLS |
| enable_ktls = 1; |
| #endif |
| break; |
| case OPT_SENDFILE: |
| #ifndef OPENSSL_NO_KTLS |
| use_sendfile = 1; |
| #endif |
| break; |
| case OPT_IGNORE_UNEXPECTED_EOF: |
| ignore_unexpected_eof = 1; |
| break; |
| case OPT_TFO: |
| tfo = 1; |
| break; |
| } |
| } |
| |
| /* No extra arguments. */ |
| if (!opt_check_rest_arg(NULL)) |
| goto opthelp; |
| |
| if (!app_RAND_load()) |
| goto end; |
| |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| if (min_version == TLS1_3_VERSION && next_proto_neg_in != NULL) { |
| BIO_printf(bio_err, "Cannot supply -nextprotoneg with TLSv1.3\n"); |
| goto opthelp; |
| } |
| #endif |
| #ifndef OPENSSL_NO_DTLS |
| if (www && socket_type == SOCK_DGRAM) { |
| BIO_printf(bio_err, "Can't use -HTTP, -www or -WWW with DTLS\n"); |
| goto end; |
| } |
| |
| if (dtlslisten && socket_type != SOCK_DGRAM) { |
| BIO_printf(bio_err, "Can only use -listen with DTLS\n"); |
| goto end; |
| } |
| #endif |
| |
| if (tfo && socket_type != SOCK_STREAM) { |
| BIO_printf(bio_err, "Can only use -tfo with TLS\n"); |
| goto end; |
| } |
| |
| if (stateless && socket_type != SOCK_STREAM) { |
| BIO_printf(bio_err, "Can only use --stateless with TLS\n"); |
| goto end; |
| } |
| |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX && socket_type != SOCK_STREAM) { |
| BIO_printf(bio_err, |
| "Can't use unix sockets and datagrams together\n"); |
| goto end; |
| } |
| #endif |
| if (early_data && (www > 0 || rev)) { |
| BIO_printf(bio_err, |
| "Can't use -early_data in combination with -www, -WWW, -HTTP, or -rev\n"); |
| goto end; |
| } |
| |
| #ifndef OPENSSL_NO_SCTP |
| if (protocol == IPPROTO_SCTP) { |
| if (socket_type != SOCK_DGRAM) { |
| BIO_printf(bio_err, "Can't use -sctp without DTLS\n"); |
| goto end; |
| } |
| /* SCTP is unusual. It uses DTLS over a SOCK_STREAM protocol */ |
| socket_type = SOCK_STREAM; |
| } |
| #endif |
| |
| #ifndef OPENSSL_NO_KTLS |
| if (use_sendfile && enable_ktls == 0) { |
| BIO_printf(bio_out, "Warning: -sendfile depends on -ktls, enabling -ktls now.\n"); |
| enable_ktls = 1; |
| } |
| |
| if (use_sendfile && www <= 1) { |
| BIO_printf(bio_err, "Can't use -sendfile without -WWW or -HTTP\n"); |
| goto end; |
| } |
| #endif |
| |
| if (!app_passwd(passarg, dpassarg, &pass, &dpass)) { |
| BIO_printf(bio_err, "Error getting password\n"); |
| goto end; |
| } |
| |
| if (s_key_file == NULL) |
| s_key_file = s_cert_file; |
| |
| if (s_key_file2 == NULL) |
| s_key_file2 = s_cert_file2; |
| |
| if (!load_excert(&exc)) |
| goto end; |
| |
| if (nocert == 0) { |
| s_key = load_key(s_key_file, s_key_format, 0, pass, engine, |
| "server certificate private key"); |
| if (s_key == NULL) |
| goto end; |
| |
| s_cert = load_cert_pass(s_cert_file, s_cert_format, 1, pass, |
| "server certificate"); |
| |
| if (s_cert == NULL) |
| goto end; |
| if (s_chain_file != NULL) { |
| if (!load_certs(s_chain_file, 0, &s_chain, NULL, |
| "server certificate chain")) |
| goto end; |
| } |
| |
| if (tlsextcbp.servername != NULL) { |
| s_key2 = load_key(s_key_file2, s_key_format, 0, pass, engine, |
| "second server certificate private key"); |
| if (s_key2 == NULL) |
| goto end; |
| |
| s_cert2 = load_cert_pass(s_cert_file2, s_cert_format, 1, pass, |
| "second server certificate"); |
| |
| if (s_cert2 == NULL) |
| goto end; |
| } |
| } |
| #if !defined(OPENSSL_NO_NEXTPROTONEG) |
| if (next_proto_neg_in) { |
| next_proto.data = next_protos_parse(&next_proto.len, next_proto_neg_in); |
| if (next_proto.data == NULL) |
| goto end; |
| } |
| #endif |
| alpn_ctx.data = NULL; |
| if (alpn_in) { |
| alpn_ctx.data = next_protos_parse(&alpn_ctx.len, alpn_in); |
| if (alpn_ctx.data == NULL) |
| goto end; |
| } |
| |
| if (crl_file != NULL) { |
| X509_CRL *crl; |
| crl = load_crl(crl_file, crl_format, 0, "CRL"); |
| if (crl == NULL) |
| goto end; |
| crls = sk_X509_CRL_new_null(); |
| if (crls == NULL || !sk_X509_CRL_push(crls, crl)) { |
| BIO_puts(bio_err, "Error adding CRL\n"); |
| ERR_print_errors(bio_err); |
| X509_CRL_free(crl); |
| goto end; |
| } |
| } |
| |
| if (s_dcert_file != NULL) { |
| |
| if (s_dkey_file == NULL) |
| s_dkey_file = s_dcert_file; |
| |
| s_dkey = load_key(s_dkey_file, s_dkey_format, |
| 0, dpass, engine, "second certificate private key"); |
| if (s_dkey == NULL) |
| goto end; |
| |
| s_dcert = load_cert_pass(s_dcert_file, s_dcert_format, 1, dpass, |
| "second server certificate"); |
| |
| if (s_dcert == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| if (s_dchain_file != NULL) { |
| if (!load_certs(s_dchain_file, 0, &s_dchain, NULL, |
| "second server certificate chain")) |
| goto end; |
| } |
| |
| } |
| |
| if (bio_s_out == NULL) { |
| if (s_quiet && !s_debug) { |
| bio_s_out = BIO_new(BIO_s_null()); |
| if (s_msg && bio_s_msg == NULL) { |
| bio_s_msg = dup_bio_out(FORMAT_TEXT); |
| if (bio_s_msg == NULL) { |
| BIO_printf(bio_err, "Out of memory\n"); |
| goto end; |
| } |
| } |
| } else { |
| bio_s_out = dup_bio_out(FORMAT_TEXT); |
| } |
| } |
| |
| if (bio_s_out == NULL) |
| goto end; |
| |
| if (nocert) { |
| s_cert_file = NULL; |
| s_key_file = NULL; |
| s_dcert_file = NULL; |
| s_dkey_file = NULL; |
| s_cert_file2 = NULL; |
| s_key_file2 = NULL; |
| } |
| |
| ctx = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth); |
| if (ctx == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| SSL_CTX_clear_mode(ctx, SSL_MODE_AUTO_RETRY); |
| |
| if (sdebug) |
| ssl_ctx_security_debug(ctx, sdebug); |
| |
| if (!config_ctx(cctx, ssl_args, ctx)) |
| goto end; |
| |
| if (ssl_config) { |
| if (SSL_CTX_config(ctx, ssl_config) == 0) { |
| BIO_printf(bio_err, "Error using configuration \"%s\"\n", |
| ssl_config); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| #ifndef OPENSSL_NO_SCTP |
| if (protocol == IPPROTO_SCTP && sctp_label_bug == 1) |
| SSL_CTX_set_mode(ctx, SSL_MODE_DTLS_SCTP_LABEL_LENGTH_BUG); |
| #endif |
| |
| if (min_version != 0 |
| && SSL_CTX_set_min_proto_version(ctx, min_version) == 0) |
| goto end; |
| if (max_version != 0 |
| && SSL_CTX_set_max_proto_version(ctx, max_version) == 0) |
| goto end; |
| |
| if (session_id_prefix) { |
| if (strlen(session_id_prefix) >= 32) |
| BIO_printf(bio_err, |
| "warning: id_prefix is too long, only one new session will be possible\n"); |
| if (!SSL_CTX_set_generate_session_id(ctx, generate_session_id)) { |
| BIO_printf(bio_err, "error setting 'id_prefix'\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); |
| } |
| if (exc != NULL) |
| ssl_ctx_set_excert(ctx, exc); |
| |
| if (state) |
| SSL_CTX_set_info_callback(ctx, apps_ssl_info_callback); |
| if (no_cache) |
| SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_OFF); |
| else if (ext_cache) |
| init_session_cache_ctx(ctx); |
| else |
| SSL_CTX_sess_set_cache_size(ctx, 128); |
| |
| if (async) { |
| SSL_CTX_set_mode(ctx, SSL_MODE_ASYNC); |
| } |
| |
| if (no_ca_names) { |
| SSL_CTX_set_options(ctx, SSL_OP_DISABLE_TLSEXT_CA_NAMES); |
| } |
| |
| if (ignore_unexpected_eof) |
| SSL_CTX_set_options(ctx, SSL_OP_IGNORE_UNEXPECTED_EOF); |
| #ifndef OPENSSL_NO_KTLS |
| if (enable_ktls) |
| SSL_CTX_set_options(ctx, SSL_OP_ENABLE_KTLS); |
| #endif |
| |
| if (max_send_fragment > 0 |
| && !SSL_CTX_set_max_send_fragment(ctx, max_send_fragment)) { |
| BIO_printf(bio_err, "%s: Max send fragment size %u is out of permitted range\n", |
| prog, max_send_fragment); |
| goto end; |
| } |
| |
| if (split_send_fragment > 0 |
| && !SSL_CTX_set_split_send_fragment(ctx, split_send_fragment)) { |
| BIO_printf(bio_err, "%s: Split send fragment size %u is out of permitted range\n", |
| prog, split_send_fragment); |
| goto end; |
| } |
| if (max_pipelines > 0 |
| && !SSL_CTX_set_max_pipelines(ctx, max_pipelines)) { |
| BIO_printf(bio_err, "%s: Max pipelines %u is out of permitted range\n", |
| prog, max_pipelines); |
| goto end; |
| } |
| |
| if (read_buf_len > 0) { |
| SSL_CTX_set_default_read_buffer_len(ctx, read_buf_len); |
| } |
| #ifndef OPENSSL_NO_SRTP |
| if (srtp_profiles != NULL) { |
| /* Returns 0 on success! */ |
| if (SSL_CTX_set_tlsext_use_srtp(ctx, srtp_profiles) != 0) { |
| BIO_printf(bio_err, "Error setting SRTP profile\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| #endif |
| |
| if (!ctx_set_verify_locations(ctx, CAfile, noCAfile, CApath, noCApath, |
| CAstore, noCAstore)) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| if (vpmtouched && !SSL_CTX_set1_param(ctx, vpm)) { |
| BIO_printf(bio_err, "Error setting verify params\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| ssl_ctx_add_crls(ctx, crls, 0); |
| |
| if (!ssl_load_stores(ctx, |
| vfyCApath, vfyCAfile, vfyCAstore, |
| chCApath, chCAfile, chCAstore, |
| crls, crl_download)) { |
| BIO_printf(bio_err, "Error loading store locations\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (s_cert2) { |
| ctx2 = SSL_CTX_new_ex(app_get0_libctx(), app_get0_propq(), meth); |
| if (ctx2 == NULL) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| |
| if (ctx2 != NULL) { |
| BIO_printf(bio_s_out, "Setting secondary ctx parameters\n"); |
| |
| if (sdebug) |
| ssl_ctx_security_debug(ctx2, sdebug); |
| |
| if (session_id_prefix) { |
| if (strlen(session_id_prefix) >= 32) |
| BIO_printf(bio_err, |
| "warning: id_prefix is too long, only one new session will be possible\n"); |
| if (!SSL_CTX_set_generate_session_id(ctx2, generate_session_id)) { |
| BIO_printf(bio_err, "error setting 'id_prefix'\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| BIO_printf(bio_err, "id_prefix '%s' set.\n", session_id_prefix); |
| } |
| if (exc != NULL) |
| ssl_ctx_set_excert(ctx2, exc); |
| |
| if (state) |
| SSL_CTX_set_info_callback(ctx2, apps_ssl_info_callback); |
| |
| if (no_cache) |
| SSL_CTX_set_session_cache_mode(ctx2, SSL_SESS_CACHE_OFF); |
| else if (ext_cache) |
| init_session_cache_ctx(ctx2); |
| else |
| SSL_CTX_sess_set_cache_size(ctx2, 128); |
| |
| if (async) |
| SSL_CTX_set_mode(ctx2, SSL_MODE_ASYNC); |
| |
| if (!ctx_set_verify_locations(ctx2, CAfile, noCAfile, CApath, |
| noCApath, CAstore, noCAstore)) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| if (vpmtouched && !SSL_CTX_set1_param(ctx2, vpm)) { |
| BIO_printf(bio_err, "Error setting verify params\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| ssl_ctx_add_crls(ctx2, crls, 0); |
| if (!config_ctx(cctx, ssl_args, ctx2)) |
| goto end; |
| } |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| if (next_proto.data) |
| SSL_CTX_set_next_protos_advertised_cb(ctx, next_proto_cb, |
| &next_proto); |
| #endif |
| if (alpn_ctx.data) |
| SSL_CTX_set_alpn_select_cb(ctx, alpn_cb, &alpn_ctx); |
| |
| if (!no_dhe) { |
| EVP_PKEY *dhpkey = NULL; |
| |
| if (dhfile != NULL) |
| dhpkey = load_keyparams(dhfile, FORMAT_UNDEF, 0, "DH", "DH parameters"); |
| else if (s_cert_file != NULL) |
| dhpkey = load_keyparams_suppress(s_cert_file, FORMAT_UNDEF, 0, "DH", |
| "DH parameters", 1); |
| |
| if (dhpkey != NULL) { |
| BIO_printf(bio_s_out, "Setting temp DH parameters\n"); |
| } else { |
| BIO_printf(bio_s_out, "Using default temp DH parameters\n"); |
| } |
| (void)BIO_flush(bio_s_out); |
| |
| if (dhpkey == NULL) { |
| SSL_CTX_set_dh_auto(ctx, 1); |
| } else { |
| /* |
| * We need 2 references: one for use by ctx and one for use by |
| * ctx2 |
| */ |
| if (!EVP_PKEY_up_ref(dhpkey)) { |
| EVP_PKEY_free(dhpkey); |
| goto end; |
| } |
| if (!SSL_CTX_set0_tmp_dh_pkey(ctx, dhpkey)) { |
| BIO_puts(bio_err, "Error setting temp DH parameters\n"); |
| ERR_print_errors(bio_err); |
| /* Free 2 references */ |
| EVP_PKEY_free(dhpkey); |
| EVP_PKEY_free(dhpkey); |
| goto end; |
| } |
| } |
| |
| if (ctx2 != NULL) { |
| if (dhfile != NULL) { |
| EVP_PKEY *dhpkey2 = load_keyparams_suppress(s_cert_file2, |
| FORMAT_UNDEF, |
| 0, "DH", |
| "DH parameters", 1); |
| |
| if (dhpkey2 != NULL) { |
| BIO_printf(bio_s_out, "Setting temp DH parameters\n"); |
| (void)BIO_flush(bio_s_out); |
| |
| EVP_PKEY_free(dhpkey); |
| dhpkey = dhpkey2; |
| } |
| } |
| if (dhpkey == NULL) { |
| SSL_CTX_set_dh_auto(ctx2, 1); |
| } else if (!SSL_CTX_set0_tmp_dh_pkey(ctx2, dhpkey)) { |
| BIO_puts(bio_err, "Error setting temp DH parameters\n"); |
| ERR_print_errors(bio_err); |
| EVP_PKEY_free(dhpkey); |
| goto end; |
| } |
| dhpkey = NULL; |
| } |
| EVP_PKEY_free(dhpkey); |
| } |
| |
| if (!set_cert_key_stuff(ctx, s_cert, s_key, s_chain, build_chain)) |
| goto end; |
| |
| if (s_serverinfo_file != NULL |
| && !SSL_CTX_use_serverinfo_file(ctx, s_serverinfo_file)) { |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| if (ctx2 != NULL |
| && !set_cert_key_stuff(ctx2, s_cert2, s_key2, NULL, build_chain)) |
| goto end; |
| |
| if (s_dcert != NULL) { |
| if (!set_cert_key_stuff(ctx, s_dcert, s_dkey, s_dchain, build_chain)) |
| goto end; |
| } |
| |
| if (no_resume_ephemeral) { |
| SSL_CTX_set_not_resumable_session_callback(ctx, |
| not_resumable_sess_cb); |
| |
| if (ctx2 != NULL) |
| SSL_CTX_set_not_resumable_session_callback(ctx2, |
| not_resumable_sess_cb); |
| } |
| #ifndef OPENSSL_NO_PSK |
| if (psk_key != NULL) { |
| if (s_debug) |
| BIO_printf(bio_s_out, "PSK key given, setting server callback\n"); |
| SSL_CTX_set_psk_server_callback(ctx, psk_server_cb); |
| } |
| |
| if (psk_identity_hint != NULL) { |
| if (min_version == TLS1_3_VERSION) { |
| BIO_printf(bio_s_out, "PSK warning: there is NO identity hint in TLSv1.3\n"); |
| } else { |
| if (!SSL_CTX_use_psk_identity_hint(ctx, psk_identity_hint)) { |
| BIO_printf(bio_err, "error setting PSK identity hint to context\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| } |
| } |
| #endif |
| if (psksessf != NULL) { |
| BIO *stmp = BIO_new_file(psksessf, "r"); |
| |
| if (stmp == NULL) { |
| BIO_printf(bio_err, "Can't open PSK session file %s\n", psksessf); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| psksess = PEM_read_bio_SSL_SESSION(stmp, NULL, 0, NULL); |
| BIO_free(stmp); |
| if (psksess == NULL) { |
| BIO_printf(bio_err, "Can't read PSK session file %s\n", psksessf); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| } |
| |
| if (psk_key != NULL || psksess != NULL) |
| SSL_CTX_set_psk_find_session_callback(ctx, psk_find_session_cb); |
| |
| SSL_CTX_set_verify(ctx, s_server_verify, verify_callback); |
| if (!SSL_CTX_set_session_id_context(ctx, |
| (void *)&s_server_session_id_context, |
| sizeof(s_server_session_id_context))) { |
| BIO_printf(bio_err, "error setting session id context\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| |
| /* Set DTLS cookie generation and verification callbacks */ |
| SSL_CTX_set_cookie_generate_cb(ctx, generate_cookie_callback); |
| SSL_CTX_set_cookie_verify_cb(ctx, verify_cookie_callback); |
| |
| /* Set TLS1.3 cookie generation and verification callbacks */ |
| SSL_CTX_set_stateless_cookie_generate_cb(ctx, generate_stateless_cookie_callback); |
| SSL_CTX_set_stateless_cookie_verify_cb(ctx, verify_stateless_cookie_callback); |
| |
| if (ctx2 != NULL) { |
| SSL_CTX_set_verify(ctx2, s_server_verify, verify_callback); |
| if (!SSL_CTX_set_session_id_context(ctx2, |
| (void *)&s_server_session_id_context, |
| sizeof(s_server_session_id_context))) { |
| BIO_printf(bio_err, "error setting session id context\n"); |
| ERR_print_errors(bio_err); |
| goto end; |
| } |
| tlsextcbp.biodebug = bio_s_out; |
| SSL_CTX_set_tlsext_servername_callback(ctx2, ssl_servername_cb); |
| SSL_CTX_set_tlsext_servername_arg(ctx2, &tlsextcbp); |
| SSL_CTX_set_tlsext_servername_callback(ctx, ssl_servername_cb); |
| SSL_CTX_set_tlsext_servername_arg(ctx, &tlsextcbp); |
| } |
| |
| #ifndef OPENSSL_NO_SRP |
| if (srp_verifier_file != NULL) { |
| if (!set_up_srp_verifier_file(ctx, &srp_callback_parm, srpuserseed, |
| srp_verifier_file)) |
| goto end; |
| } else |
| #endif |
| if (CAfile != NULL) { |
| SSL_CTX_set_client_CA_list(ctx, SSL_load_client_CA_file(CAfile)); |
| |
| if (ctx2) |
| SSL_CTX_set_client_CA_list(ctx2, SSL_load_client_CA_file(CAfile)); |
| } |
| #ifndef OPENSSL_NO_OCSP |
| if (s_tlsextstatus) { |
| SSL_CTX_set_tlsext_status_cb(ctx, cert_status_cb); |
| SSL_CTX_set_tlsext_status_arg(ctx, &tlscstatp); |
| if (ctx2) { |
| SSL_CTX_set_tlsext_status_cb(ctx2, cert_status_cb); |
| SSL_CTX_set_tlsext_status_arg(ctx2, &tlscstatp); |
| } |
| } |
| #endif |
| if (set_keylog_file(ctx, keylog_file)) |
| goto end; |
| |
| if (max_early_data >= 0) |
| SSL_CTX_set_max_early_data(ctx, max_early_data); |
| if (recv_max_early_data >= 0) |
| SSL_CTX_set_recv_max_early_data(ctx, recv_max_early_data); |
| |
| if (rev) |
| server_cb = rev_body; |
| else if (www) |
| server_cb = www_body; |
| else |
| server_cb = sv_body; |
| #ifdef AF_UNIX |
| if (socket_family == AF_UNIX |
| && unlink_unix_path) |
| unlink(host); |
| #endif |
| if (tfo) |
| BIO_printf(bio_s_out, "Listening for TFO\n"); |
| do_server(&accept_socket, host, port, socket_family, socket_type, protocol, |
| server_cb, context, naccept, bio_s_out, tfo); |
| print_stats(bio_s_out, ctx); |
| ret = 0; |
| end: |
| SSL_CTX_free(ctx); |
| SSL_SESSION_free(psksess); |
| set_keylog_file(NULL, NULL); |
| X509_free(s_cert); |
| sk_X509_CRL_pop_free(crls, X509_CRL_free); |
| X509_free(s_dcert); |
| EVP_PKEY_free(s_key); |
| EVP_PKEY_free(s_dkey); |
| OSSL_STACK_OF_X509_free(s_chain); |
| OSSL_STACK_OF_X509_free(s_dchain); |
| OPENSSL_free(pass); |
| OPENSSL_free(dpass); |
| OPENSSL_free(host); |
| OPENSSL_free(port); |
| X509_VERIFY_PARAM_free(vpm); |
| free_sessions(); |
| OPENSSL_free(tlscstatp.host); |
| OPENSSL_free(tlscstatp.port); |
| OPENSSL_free(tlscstatp.path); |
| SSL_CTX_free(ctx2); |
| X509_free(s_cert2); |
| EVP_PKEY_free(s_key2); |
| #ifndef OPENSSL_NO_NEXTPROTONEG |
| OPENSSL_free(next_proto.data); |
| #endif |
| OPENSSL_free(alpn_ctx.data); |
| ssl_excert_free(exc); |
| sk_OPENSSL_STRING_free(ssl_args); |
| SSL_CONF_CTX_free(cctx); |
| release_engine(engine); |
| BIO_free(bio_s_out); |
| bio_s_out = NULL; |
| BIO_free(bio_s_msg); |
| bio_s_msg = NULL; |
| #ifdef CHARSET_EBCDIC |
| BIO_meth_free(methods_ebcdic); |
| #endif |
| return ret; |
| } |
| |
| static void print_stats(BIO *bio, SSL_CTX *ssl_ctx) |
| { |
| BIO_printf(bio, "%4ld items in the session cache\n", |
| SSL_CTX_sess_number(ssl_ctx)); |
| BIO_printf(bio, "%4ld client connects (SSL_connect())\n", |
| SSL_CTX_sess_connect(ssl_ctx)); |
| BIO_printf(bio, "%4ld client renegotiates (SSL_connect())\n", |
| SSL_CTX_sess_connect_renegotiate(ssl_ctx)); |
| BIO_printf(bio, "%4ld client connects that finished\n", |
| SSL_CTX_sess_connect_good(ssl_ctx)); |
| BIO_printf(bio, "%4ld server accepts (SSL_accept())\n", |
| SSL_CTX_sess_accept(ssl_ctx)); |
| BIO_printf(bio, "%4ld server renegotiates (SSL_accept())\n", |
| SSL_CTX_sess_accept_renegotiate(ssl_ctx)); |
| BIO_printf(bio, "%4ld server accepts that finished\n", |
| SSL_CTX_sess_accept_good(ssl_ctx)); |
| BIO_printf(bio, "%4ld session cache hits\n", SSL_CTX_sess_hits(ssl_ctx)); |
| BIO_printf(bio, "%4ld session cache misses\n", |
| SSL_CTX_sess_misses(ssl_ctx)); |
| BIO_printf(bio, "%4ld session cache timeouts\n", |
| SSL_CTX_sess_timeouts(ssl_ctx)); |
| BIO_printf(bio, "%4ld callback cache hits\n", |
| SSL_CTX_sess_cb_hits(ssl_ctx)); |
| BIO_printf(bio, "%4ld cache full overflows (%ld allowed)\n", |
| SSL_CTX_sess_cache_full(ssl_ctx), |
| SSL_CTX_sess_get_cache_size(ssl_ctx)); |
| } |
| |
| static long int count_reads_callback(BIO *bio, int cmd, const char *argp, size_t len, |
| int argi, long argl, int ret, size_t *processed) |
| { |
| unsigned int *p_counter = (unsigned int *)BIO_get_callback_arg(bio); |
| |
| switch (cmd) { |
| case BIO_CB_READ: /* No break here */ |
| case BIO_CB_GETS: |
| if (p_counter != NULL) |
| ++*p_counter; |
| break; |
| default: |
| break; |
| } |
| |
| if (s_debug) { |
| BIO_set_callback_arg(bio, (char *)bio_s_out); |
| ret = (int)bio_dump_callback(bio, cmd, argp, len, argi, argl, ret, processed); |
| BIO_set_callback_arg(bio, (char *)p_counter); |
| } |
| |
| return ret; |
| } |
| |
| static int sv_body(int s, int stype, int prot, unsigned char *context) |
| { |
| char *buf = NULL; |
| fd_set readfds; |
| int ret = 1, width; |
| int k, i; |
| unsigned long l; |
| SSL *con = NULL; |
| BIO *sbio; |
| struct timeval timeout; |
| #if !(defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS)) |
| struct timeval *timeoutp; |
| #endif |
| #ifndef OPENSSL_NO_DTLS |
| # ifndef OPENSSL_NO_SCTP |
| int isdtls = (stype == SOCK_DGRAM || prot == IPPROTO_SCTP); |
| # else |
| int isdtls = (stype == SOCK_DGRAM); |
| # endif |
| #endif |
| |
| buf = app_malloc(bufsize, "server buffer"); |
| if (s_nbio) { |
| if (!BIO_socket_nbio(s, 1)) |
| ERR_print_errors(bio_err); |
| else if (!s_quiet) |
| BIO_printf(bio_err, "Turned on non blocking io\n"); |
| } |
| |
| con = SSL_new(ctx); |
| if (con == NULL) { |
| ret = -1; |
| goto err; |
| } |
| |
| if (s_tlsextdebug) { |
| SSL_set_tlsext_debug_callback(con, tlsext_cb); |
| SSL_set_tlsext_debug_arg(con, bio_s_out); |
| } |
| |
| if (context != NULL |
| && !SSL_set_session_id_context(con, context, |
| strlen((char *)context))) { |
| BIO_printf(bio_err, "Error setting session id context\n"); |
| ret = -1; |
| goto err; |
| } |
| |
| if (!SSL_clear(con)) { |
| BIO_printf(bio_err, "Error clearing SSL connection\n"); |
| ret = -1; |
| goto err; |
| } |
| #ifndef OPENSSL_NO_DTLS |
| if (isdtls) { |
| # ifndef OPENSSL_NO_SCTP |
| if (prot == IPPROTO_SCTP) |
| sbio = BIO_new_dgram_sctp(s, BIO_NOCLOSE); |
| else |
| # endif |
| sbio = BIO_new_dgram(s, BIO_NOCLOSE); |
| if (sbio == NULL) { |
| BIO_printf(bio_err, "Unable to create BIO\n"); |
| ERR_print_errors(bio_err); |
| goto err; |
| } |
| |
| if (enable_timeouts) { |
| timeout.tv_sec = 0; |
| timeout.tv_usec = DGRAM_RCV_TIMEOUT; |
| BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_RECV_TIMEOUT, 0, &timeout); |
| |
| timeout.tv_sec = 0; |
| timeout.tv_usec = DGRAM_SND_TIMEOUT; |
| BIO_ctrl(sbio, BIO_CTRL_DGRAM_SET_SEND_TIMEOUT, 0, &timeout); |
| } |
| |
| if (socket_mtu) { |
| if (socket_mtu < DTLS_get_link_min_mtu(con)) { |
| BIO_printf(bio_err, "MTU too small. Must be at least %ld\n", |
| DTLS_get_link_min_mtu(con)); |
| ret = -1; |
| BIO_free(sbio); |
| goto err; |
| } |
| SSL_set_options(con, SSL_OP_NO_QUERY_MTU); |
| if (!DTLS_set_link_mtu(con, socket_mtu)) { |
| BIO_printf(bio_err, "Failed to set MTU\n"); |
| ret = -1; |
| BIO_free(sbio); |
| goto err; |
| } |
| } else |
| /* want to do MTU discovery */ |
| BIO_ctrl(sbio, BIO_CTRL_DGRAM_MTU_DISCOVER, 0, NULL); |
| |
| # ifndef OPENSSL_NO_SCTP |
| if (prot != IPPROTO_SCTP) |
| # endif |
| /* Turn on cookie exchange. Not necessary for SCTP */ |
| SSL_set_options(con, SSL_OP_COOKIE_EXCHANGE); |
| } else |
| #endif |
| sbio = BIO_new_socket(s, BIO_NOCLOSE); |
| |
| if (sbio == NULL) { |
| BIO_printf(bio_err, "Unable to create BIO\n"); |
| ERR_print_errors(bio_err); |
| goto err; |
| } |
| |
| if (s_nbio_test) { |
| BIO *test; |
| |
| test = BIO_new(BIO_f_nbio_test()); |
| if (test == NULL) { |
| BIO_printf(bio_err, "Unable to create BIO\n"); |
| ret = -1; |
| BIO_free(sbio); |
| goto err; |
| } |
| sbio = BIO_push(test, sbio); |
| } |
| |
| SSL_set_bio(con, sbio, sbio); |
| SSL_set_accept_state(con); |
| /* SSL_set_fd(con,s); */ |
| |
| BIO_set_callback_ex(SSL_get_rbio(con), count_reads_callback); |
| if (s_msg) { |
| #ifndef OPENSSL_NO_SSL_TRACE |
| if (s_msg == 2) |
| SSL_set_msg_callback(con, SSL_trace); |
| else |
| #endif |
| SSL_set_msg_callback(con, msg_cb); |
| SSL_set_msg_callback_arg(con, bio_s_msg ? bio_s_msg : bio_s_out); |
| } |
| |
| if (s_tlsextdebug) { |
| SSL_set_tlsext_debug_callback(con, tlsext_cb); |
| SSL_set_tlsext_debug_arg(con, bio_s_out); |
| } |
| |
| if (early_data) { |
| int write_header = 1, edret = SSL_READ_EARLY_DATA_ERROR; |
| size_t readbytes; |
| |
| while (edret != SSL_READ_EARLY_DATA_FINISH) { |
| for (;;) { |
| edret = SSL_read_early_data(con, buf, bufsize, &readbytes); |
| if (edret != SSL_READ_EARLY_DATA_ERROR) |
| break; |
| |
| switch (SSL_get_error(con, 0)) { |
| case SSL_ERROR_WANT_WRITE: |
| case SSL_ERROR_WANT_ASYNC: |
| case SSL_ERROR_WANT_READ: |
| /* Just keep trying - busy waiting */ |
| continue; |
| default: |
| BIO_printf(bio_err, "Error reading early data\n"); |
| ERR_print_errors(bio_err); |
| goto err; |
| } |
| } |
| if (readbytes > 0) { |
| if (write_header) { |
| BIO_printf(bio_s_out, "Early data received:\n"); |
| write_header = 0; |
| } |
| raw_write_stdout(buf, (unsigned int)readbytes); |
| (void)BIO_flush(bio_s_out); |
| } |
| } |
| if (write_header) { |
| if (SSL_get_early_data_status(con) == SSL_EARLY_DATA_NOT_SENT) |
| BIO_printf(bio_s_out, "No early data received\n"); |
| else |
| BIO_printf(bio_s_out, "Early data was rejected\n"); |
| } else { |
| BIO_printf(bio_s_out, "\nEnd of early data\n"); |
| } |
| if (SSL_is_init_finished(con)) |
| print_connection_info(con); |
| } |
| |
| if (fileno_stdin() > s) |
| width = fileno_stdin() + 1; |
| else |
| width = s + 1; |
| for (;;) { |
| int read_from_terminal; |
| int read_from_sslcon; |
| |
| read_from_terminal = 0; |
| read_from_sslcon = SSL_has_pending(con) |
| || (async && SSL_waiting_for_async(con)); |
| |
| if (!read_from_sslcon) { |
| FD_ZERO(&readfds); |
| #if !defined(OPENSSL_SYS_WINDOWS) && !defined(OPENSSL_SYS_MSDOS) |
| openssl_fdset(fileno_stdin(), &readfds); |
| #endif |
| openssl_fdset(s, &readfds); |
| /* |
| * Note: under VMS with SOCKETSHR the second parameter is |
| * currently of type (int *) whereas under other systems it is |
| * (void *) if you don't have a cast it will choke the compiler: |
| * if you do have a cast then you can either go for (int *) or |
| * (void *). |
| */ |
| #if defined(OPENSSL_SYS_WINDOWS) || defined(OPENSSL_SYS_MSDOS) |
| /* |
| * Under DOS (non-djgpp) and Windows we can't select on stdin: |
| * only on sockets. As a workaround we timeout the select every |
| * second and check for any keypress. In a proper Windows |
| * application we wouldn't do this because it is inefficient. |
| */ |
| timeout.tv_sec = 1; |
| timeout.tv_usec = 0; |
| i = select(width, (void *)&readfds, NULL, NULL, &timeout); |
| if (has_stdin_waiting()) |
| read_from_terminal = 1; |
| if ((i < 0) || (!i && !read_from_terminal)) |
| continue; |
| #else |
| if (SSL_is_dtls(con) && DTLSv1_get_timeout(con, &timeout)) |
| timeoutp = &timeout; |
| else |
| timeoutp = NULL; |
| |
| i = select(width, (void *)&readfds, NULL, NULL, timeoutp); |
| |
| if ((SSL_is_dtls(con)) && DTLSv1_handle_timeout(con) > 0) |
| BIO_printf(bio_err, "TIMEOUT occurred\n"); |
| |
| if (i <= 0) |
| continue; |
| if (FD_ISSET(fileno_stdin(), &readfds)) |
| read_from_terminal = 1; |
| #endif |
| if (FD_ISSET(s, &readfds)) |
| read_from_sslcon = 1; |
| } |
| if (read_from_terminal) { |
| if (s_crlf) { |
| int j, lf_num; |
| |
| i = raw_read_stdin(buf, bufsize / 2); |
| lf_num = 0; |
| /* both loops are skipped when i <= 0 */ |
| for (j = 0; j < i; j++) |
| if (buf[j] == '\n') |
| lf_num++; |
| for (j = i - 1; j >= 0; j--) { |
| buf[j + lf_num] = buf[j]; |
| if (buf[j] == '\n') { |
| lf_num--; |
| i++; |
| buf[j + lf_num] = '\r'; |
| } |
| } |
| assert(lf_num == 0); |
| } else { |
| i = raw_read_stdin(buf, bufsize); |
| } |
| |
| if (!s_quiet && !s_brief) { |
| if ((i <= 0) || (buf[0] == 'Q')) { |
| BIO_printf(bio_s_out, "DONE\n"); |
| (void)BIO_flush(bio_s_out); |
| BIO_closesocket(s); |
| close_accept_socket(); |
| ret = -11; |
| goto err; |
| } |
| if ((i <= 0) || (buf[0] == 'q')) { |
| BIO_printf(bio_s_out, "DONE\n"); |
| (void)BIO_flush(bio_s_out); |
| if (SSL_version(con) != DTLS1_VERSION) |
| BIO_closesocket(s); |
| /* |
| * close_accept_socket(); ret= -11; |
| */ |
| goto err; |
| } |
| if ((buf[0] == 'r') && ((buf[1] == '\n') || (buf[1] == '\r'))) { |
| SSL_renegotiate(con); |
| i = SSL_do_handshake(con); |
| printf("SSL_do_handshake -> %d\n", i); |
| i = 0; /* 13; */ |
| continue; |
| } |
| if ((buf[0] == 'R') && ((buf[1] == '\n') || (buf[1] == '\r'))) { |
| SSL_set_verify(con, |
| SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE, |
| NULL); |
| SSL_renegotiate(con); |
| i = SSL_do_handshake(con); |
| printf("SSL_do_handshake -> %d\n", i); |
| i = 0; /* 13; */ |
| continue; |
| } |
| if ((buf[0] == 'K' || buf[0] == 'k') |
| && ((buf[1] == '\n') || (buf[1] == '\r'))) { |
| SSL_key_update(con, buf[0] == 'K' ? |
| SSL_KEY_UPDATE_REQUESTED |
| : SSL_KEY_UPDATE_NOT_REQUESTED); |
| i = SSL_do_handshake(con); |
| printf("SSL_do_handshake -> %d\n", i); |
| i = 0; |
| continue; |
| } |
| if (buf[0] == 'c' && ((buf[1] == '\n') || (buf[1] == '\r'))) { |
| SSL_set_verify(con, SSL_VERIFY_PEER, NULL); |
| i = SSL_verify_client_post_handshake(con); |
| if (i == 0) { |
| printf("Failed to initiate request\n"); |
| ERR_print_errors(bio_err); |
| } else { |
| i = SSL_do_handshake(con); |
| printf("SSL_do_handshake -> %d\n", i); |
| i = 0; |
| } |
| continue; |
| } |
| if (buf[0] == 'P') { |
| static const char str[] = "Lets print some clear text\n"; |
| BIO_write(SSL_get_wbio(con), str, sizeof(str) -1); |
| } |
| if (buf[0] == 'S') { |
| print_stats(bio_s_out, SSL_get_SSL_CTX(con)); |
| } |
| } |
| #ifdef CHARSET_EBCDIC |
| ebcdic2ascii(buf, buf, i); |
| #endif |
| l = k = 0; |
| for (;;) { |
| /* should do a select for the write */ |
| #ifdef RENEG |
| static count = 0; |
| if (++count == 100) { |
| count = 0; |
| SSL_renegotiate(con); |
| } |
| #endif |
| k = SSL_write(con, &(buf[l]), (unsigned int)i); |
| #ifndef OPENSSL_NO_SRP |
| while (SSL_get_error(con, k) == SSL_ERROR_WANT_X509_LOOKUP) { |
| BIO_printf(bio_s_out, "LOOKUP renego during write\n"); |
| |
| lookup_srp_user(&srp_callback_parm, bio_s_out); |
| |
| k = SSL_write(con, &(buf[l]), (unsigned int)i); |
| } |
| #endif |
| switch (SSL_get_error(con, k)) { |
| case SSL_ERROR_NONE: |
| break; |
| case SSL_ERROR_WANT_ASYNC: |
| BIO_printf(bio_s_out, "Write BLOCK (Async)\n"); |
| (void)BIO_flush(bio_s_out); |
| wait_for_async(con); |
| break; |
| case SSL_ERROR_WANT_WRITE: |
| case SSL_ERROR_WANT_READ: |
| case SSL_ERROR_WANT_X509_LOOKUP: |
| BIO_printf(bio_s_out, "Write BLOCK\n"); |
| (void)BIO_flush(bio_s_out); |
| break; |
| case SSL_ERROR_WANT_ASYNC_JOB: |
| /* |
| * This shouldn't ever happen in s_server. Treat as an error |
| */ |
| case SSL_ERROR_SYSCALL: |
| case SSL_ERROR_SSL: |
| BIO_printf(bio_s_out, "ERROR\n"); |
| (void)BIO_flush(bio_s_out); |
| ERR_print_errors(bio_err); |
| ret = 1; |
| goto err; |
| /* break; */ |
| case SSL_ERROR_ZERO_RETURN: |
| BIO_printf(bio_s_out, "DONE\n"); |
| (void)BIO_flush(bio_s_out); |
| ret = 1; |
| goto err; |
| } |
| if (k > 0) { |
| l += k; |
| i -= k; |
| } |
| if (i <= 0) |
| break; |
| } |
| } |
| if (read_from_sslcon) { |
| /* |
| * init_ssl_connection handles all async events itself so if we're |
| * waiting for async then we shouldn't go back into |
| * init_ssl_connection |
| */ |
| if ((!async || !SSL_waiting_for_async(con)) |
| && !SSL_is_init_finished(con)) { |
| /* |
| * Count number of reads during init_ssl_connection. |
| * It helps us to distinguish configuration errors from errors |
| * caused by a client. |
| */ |
| unsigned int read_counter = 0; |
| |
| BIO_set_callback_arg(SSL_get_rbio(con), (char *)&read_counter); |
| i = init_ssl_connection(con); |
| BIO_set_callback_arg(SSL_get_rbio(con), NULL); |
| |
| /* |
| * If initialization fails without reads, then |
| * there was a fatal error in configuration. |
| */ |
| if (i <= 0 && read_counter == 0) { |
| ret = -1; |
| goto err; |
| } |
| if (i < 0) { |
| ret = 0; |
| goto err; |
| } else if (i == 0) { |
| ret = 1; |
| goto err; |
| } |
| } else { |
| again: |
| i = SSL_read(con, (char *)buf, bufsize); |
| #ifndef OPENSSL_NO_SRP |
| while (SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { |
| BIO_printf(bio_s_out, "LOOKUP renego during read\n"); |
| |
| lookup_srp_user(&srp_callback_parm, bio_s_out); |
| |
| i = SSL_read(con, (char *)buf, bufsize); |
| } |
| #endif |
| switch (SSL_get_error(con, i)) { |
| case SSL_ERROR_NONE: |
| #ifdef CHARSET_EBCDIC |
| ascii2ebcdic(buf, buf, i); |
| #endif |
| raw_write_stdout(buf, (unsigned int)i); |
| (void)BIO_flush(bio_s_out); |
| if (SSL_has_pending(con)) |
| goto again; |
| break; |
| case SSL_ERROR_WANT_ASYNC: |
| BIO_printf(bio_s_out, "Read BLOCK (Async)\n"); |
| (void)BIO_flush(bio_s_out); |
| wait_for_async(con); |
| break; |
| case SSL_ERROR_WANT_WRITE: |
| case SSL_ERROR_WANT_READ: |
| BIO_printf(bio_s_out, "Read BLOCK\n"); |
| (void)BIO_flush(bio_s_out); |
| break; |
| case SSL_ERROR_WANT_ASYNC_JOB: |
| /* |
| * This shouldn't ever happen in s_server. Treat as an error |
| */ |
| case SSL_ERROR_SYSCALL: |
| case SSL_ERROR_SSL: |
| BIO_printf(bio_s_out, "ERROR\n"); |
| (void)BIO_flush(bio_s_out); |
| ERR_print_errors(bio_err); |
| ret = 1; |
| goto err; |
| case SSL_ERROR_ZERO_RETURN: |
| BIO_printf(bio_s_out, "DONE\n"); |
| (void)BIO_flush(bio_s_out); |
| ret = 1; |
| goto err; |
| } |
| } |
| } |
| } |
| err: |
| if (con != NULL) { |
| BIO_printf(bio_s_out, "shutting down SSL\n"); |
| do_ssl_shutdown(con); |
| SSL_free(con); |
| } |
| BIO_printf(bio_s_out, "CONNECTION CLOSED\n"); |
| OPENSSL_clear_free(buf, bufsize); |
| return ret; |
| } |
| |
| static void close_accept_socket(void) |
| { |
| BIO_printf(bio_err, "shutdown accept socket\n"); |
| if (accept_socket >= 0) { |
| BIO_closesocket(accept_socket); |
| } |
| } |
| |
| static int is_retryable(SSL *con, int i) |
| { |
| int err = SSL_get_error(con, i); |
| |
| /* If it's not a fatal error, it must be retryable */ |
| return (err != SSL_ERROR_SSL) |
| && (err != SSL_ERROR_SYSCALL) |
| && (err != SSL_ERROR_ZERO_RETURN); |
| } |
| |
| static int init_ssl_connection(SSL *con) |
| { |
| int i; |
| long verify_err; |
| int retry = 0; |
| |
| if (dtlslisten || stateless) { |
| BIO_ADDR *client = NULL; |
| |
| if (dtlslisten) { |
| if ((client = BIO_ADDR_new()) == NULL) { |
| BIO_printf(bio_err, "ERROR - memory\n"); |
| return 0; |
| } |
| i = DTLSv1_listen(con, client); |
| } else { |
| i = SSL_stateless(con); |
| } |
| if (i > 0) { |
| BIO *wbio; |
| int fd = -1; |
| |
| if (dtlslisten) { |
| wbio = SSL_get_wbio(con); |
| if (wbio) { |
| BIO_get_fd(wbio, &fd); |
| } |
| |
| if (!wbio || BIO_connect(fd, client, 0) == 0) { |
| BIO_printf(bio_err, "ERROR - unable to connect\n"); |
| BIO_ADDR_free(client); |
| return 0; |
| } |
| |
| (void)BIO_ctrl_set_connected(wbio, client); |
| BIO_ADDR_free(client); |
| dtlslisten = 0; |
| } else { |
| stateless = 0; |
| } |
| i = SSL_accept(con); |
| } else { |
| BIO_ADDR_free(client); |
| } |
| } else { |
| do { |
| i = SSL_accept(con); |
| |
| if (i <= 0) |
| retry = is_retryable(con, i); |
| #ifdef CERT_CB_TEST_RETRY |
| { |
| while (i <= 0 |
| && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP |
| && SSL_get_state(con) == TLS_ST_SR_CLNT_HELLO) { |
| BIO_printf(bio_err, |
| "LOOKUP from certificate callback during accept\n"); |
| i = SSL_accept(con); |
| if (i <= 0) |
| retry = is_retryable(con, i); |
| } |
| } |
| #endif |
| |
| #ifndef OPENSSL_NO_SRP |
| while (i <= 0 |
| && SSL_get_error(con, i) == SSL_ERROR_WANT_X509_LOOKUP) { |
| BIO_printf(bio_s_out, "LOOKUP during accept %s\n", |