X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/3ecab1575ef1f45a5e7cd3c48cd937ffa8eb0ad9..71da6ae46ebda11989094def47c4145e6286c67a:/test/src/client.c diff --git a/test/src/client.c b/test/src/client.c index 58ab56d4c..3b782f3fd 100644 --- a/test/src/client.c +++ b/test/src/client.c @@ -1,7 +1,8 @@ /* A little hacked up program that makes a TCP/IP call and reads a script to drive it, for testing Exim server code running as a daemon. It's got a bit messy with the addition of support for either OpenSSL or GnuTLS. The code for -those was hacked out of Exim itself. */ +those was hacked out of Exim itself, then code for OCSP stapling was ripped +from the openssl ocsp and s_client utilities. */ /* ANSI C standard includes */ @@ -66,6 +67,9 @@ latter needs a whole pile of tables. */ #include #include #include +#include + +char * ocsp_stapling = NULL; #endif @@ -145,6 +149,91 @@ sigalrm_seen = 1; /****************************************************************************/ #ifdef HAVE_OPENSSL + +X509_STORE * +setup_verify(BIO *bp, char *CAfile, char *CApath) +{ + X509_STORE *store; + X509_LOOKUP *lookup; + if(!(store = X509_STORE_new())) goto end; + lookup=X509_STORE_add_lookup(store,X509_LOOKUP_file()); + if (lookup == NULL) goto end; + if (CAfile) { + if(!X509_LOOKUP_load_file(lookup,CAfile,X509_FILETYPE_PEM)) { + BIO_printf(bp, "Error loading file %s\n", CAfile); + goto end; + } + } else X509_LOOKUP_load_file(lookup,NULL,X509_FILETYPE_DEFAULT); + + lookup=X509_STORE_add_lookup(store,X509_LOOKUP_hash_dir()); + if (lookup == NULL) goto end; + if (CApath) { + if(!X509_LOOKUP_add_dir(lookup,CApath,X509_FILETYPE_PEM)) { + BIO_printf(bp, "Error loading directory %s\n", CApath); + goto end; + } + } else X509_LOOKUP_add_dir(lookup,NULL,X509_FILETYPE_DEFAULT); + + ERR_clear_error(); + return store; + end: + X509_STORE_free(store); + return NULL; +} + + +static int +tls_client_stapling_cb(SSL *s, void *arg) +{ +const unsigned char *p; +int len; +OCSP_RESPONSE *rsp; +OCSP_BASICRESP *bs; +char *CAfile = NULL; +X509_STORE *store = NULL; +int ret = 1; + +len = SSL_get_tlsext_status_ocsp_resp(s, &p); +/*BIO_printf(arg, "OCSP response: ");*/ +if (!p) + { + BIO_printf(arg, "no response received\n"); + return 1; + } +if(!(rsp = d2i_OCSP_RESPONSE(NULL, &p, len))) + { + BIO_printf(arg, "response parse error\n"); + BIO_dump_indent(arg, (char *)p, len, 4); + return 0; + } +if(!(bs = OCSP_response_get1_basic(rsp))) + { + BIO_printf(arg, "error parsing response\n"); + return 0; + } + +CAfile = ocsp_stapling; +if(!(store = setup_verify(arg, CAfile, NULL))) + { + BIO_printf(arg, "error in cert setup\n"); + return 0; + } + +/* No file of alternate certs, no options */ +if(OCSP_basic_verify(bs, NULL, store, 0) <= 0) + { + BIO_printf(arg, "Response Verify Failure\n"); + ERR_print_errors(arg); + ret = 0; + } +else + BIO_printf(arg, "Response verify OK\n"); + +X509_STORE_free(store); +return ret; +} + + /************************************************* * Start an OpenSSL TLS session * *************************************************/ @@ -161,6 +250,13 @@ SSL_set_session_id_context(*ssl, sid_ctx, strlen(sid_ctx)); SSL_set_fd (*ssl, sock); SSL_set_connect_state(*ssl); +if (ocsp_stapling) + { + SSL_CTX_set_tlsext_status_cb(ctx, tls_client_stapling_cb); + SSL_CTX_set_tlsext_status_arg(ctx, BIO_new_fp(stdout, BIO_NOCLOSE)); + SSL_set_tlsext_status_type(*ssl, TLSEXT_STATUSTYPE_ocsp); + } + signal(SIGALRM, sigalrm_handler_flag); sigalrm_seen = 0; alarm(5); @@ -418,6 +514,17 @@ while (argc >= argi + 1 && argv[argi][0] == '-') tls_on_connect = 1; argi++; } +#ifdef HAVE_OPENSSL + else if (strcmp(argv[argi], "-ocsp") == 0) + { + if (argc < ++argi + 1) + { + fprintf(stderr, "Missing required certificate file for ocsp option\n"); + exit(1); + } + ocsp_stapling = argv[argi++]; + } +#endif else if (argv[argi][1] == 't' && isdigit(argv[argi][2])) { tmplong = strtol(argv[argi]+2, &end, 10);