X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/b9df1829d6afa37ef6576d04fc8845c1d20269b0..be839a2609381f535f263ed0c459a4ebf3fd5d1d:/test/src/client.c?ds=sidebyside diff --git a/test/src/client.c b/test/src/client.c index 2c90d565c..9beaf25bb 100644 --- a/test/src/client.c +++ b/test/src/client.c @@ -36,6 +36,9 @@ ripped from the openssl ocsp and s_client utilities. */ #include #include +/* Set to TRUE to enable debug output */ +#define DEBUG if (FALSE) + #ifdef AF_INET6 #define HAVE_IPV6 1 #endif @@ -103,7 +106,7 @@ static int ssl_session_timeout = 200; /* Priorities for TLS algorithms to use. */ -#if GNUTLS_VERSION_NUMBER < 0x030400 +# if GNUTLS_VERSION_NUMBER < 0x030400 static const int protocol_priority[16] = { GNUTLS_TLS1, GNUTLS_SSL3, 0 }; static const int kx_priority[16] = { @@ -125,7 +128,7 @@ static const int mac_priority[16] = { 0 }; static const int comp_priority[16] = { GNUTLS_COMP_NULL, 0 }; -#endif +# endif #endif /*HAVE_GNUTLS*/ @@ -133,6 +136,7 @@ static const int comp_priority[16] = { GNUTLS_COMP_NULL, 0 }; #ifdef HAVE_TLS char * ocsp_stapling = NULL; +char * pri_string = NULL; #endif @@ -223,7 +227,7 @@ if(!(bs = OCSP_response_get1_basic(rsp))) } -if (!(sk = chain_from_pem_file(ocsp_stapling))) +if (!(sk = chain_from_pem_file((const uschar *)ocsp_stapling))) { BIO_printf(arg, "error in cert setup\n"); return 0; @@ -293,7 +297,7 @@ if (rc <= 0) return 0; } -printf("SSL connection using %s\n", SSL_get_cipher (*ssl)); +/* printf("SSL connection using %s\n", SSL_get_cipher (*ssl)); */ return 1; } @@ -428,7 +432,7 @@ if (certificate != NULL) { rc = gnutls_certificate_set_x509_key_file(x509_cred, CS certificate, CS privatekey, GNUTLS_X509_FMT_PEM); - if (rc < 0) gnutls_error("gnutls_certificate", rc); + if (rc < 0) gnutls_error(US"gnutls_certificate", rc); } /* Associate the parameters with the x509 credentials structure. */ @@ -454,7 +458,7 @@ gnutls_session_t session; gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_NO_EXTENSIONS); -#if GNUTLS_VERSION_NUMBER < 0x030400 +# if GNUTLS_VERSION_NUMBER < 0x030400 gnutls_cipher_set_priority(session, default_cipher_priority); gnutls_compression_set_priority(session, comp_priority); gnutls_kx_set_priority(session, kx_priority); @@ -462,10 +466,19 @@ gnutls_protocol_set_priority(session, protocol_priority); gnutls_mac_set_priority(session, mac_priority); gnutls_cred_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred); -#else -gnutls_set_default_priority(session); +# else +if (pri_string) + { + gnutls_priority_t priority_cache; + const char * errpos; + + gnutls_priority_init(&priority_cache, pri_string, &errpos); + gnutls_priority_set(session, priority_cache); + } +else + gnutls_set_default_priority(session); gnutls_credentials_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred); -#endif +# endif gnutls_dh_set_prime_bits(session, DH_BITS); gnutls_db_set_cache_expiration(session, ssl_session_timeout); @@ -543,36 +556,99 @@ while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) /* Expect incoming */ if ( strncmp(CS outbuffer, "???", 3) == 0 - && (outbuffer[3] == ' ' || outbuffer[3] == '*') + && (outbuffer[3] == ' ' || outbuffer[3] == '*' || outbuffer[3] == '?') ) { unsigned char *lineptr; unsigned exp_eof = outbuffer[3] == '*'; + unsigned resp_optional = outbuffer[3] == '?'; printf("%s\n", outbuffer); n = unescape_buf(outbuffer, n); +nextinput: if (*inptr == 0) /* Refill input buffer */ { - if (srv->tls_active) - { - #ifdef HAVE_OPENSSL - rc = SSL_read (srv->ssl, inbuffer, bsiz - 1); - #endif - #ifdef HAVE_GNUTLS - rc = gnutls_record_recv(tls_session, CS inbuffer, bsiz - 1); - #endif - } - else - { - alarm(timeout); - rc = read(srv->sock, inbuffer, bsiz); - alarm(0); - } + unsigned char *inbufferp = inbuffer; + + alarm(timeout); + for (;;) + { + if (srv->tls_active) + { +#ifdef HAVE_OPENSSL + int error; + DEBUG { printf("call SSL_read\n"); fflush(stdout); } + rc = SSL_read(srv->ssl, inbufferp, bsiz - (inbufferp - inbuffer) - 1); + DEBUG { printf("SSL_read: %d\n", rc); fflush(stdout); } + if (rc <= 0) + switch (error = SSL_get_error(srv->ssl, rc)) + { + case SSL_ERROR_ZERO_RETURN: + break; + case SSL_ERROR_SYSCALL: + printf("%s\n", ERR_error_string(ERR_get_error(), NULL)); + rc = -1; + break; + case SSL_ERROR_SSL: + printf("%s\nTLS terminated\n", ERR_error_string(ERR_get_error(), NULL)); + SSL_shutdown(srv->ssl); + SSL_free(srv->ssl); + srv->tls_active = FALSE; + { /* OpenSSL leaves it in restartsys mode */ + struct sigaction act = {.sa_handler = sigalrm_handler_flag, .sa_flags = 0}; + sigalrm_seen = 1; + sigaction(SIGALRM, &act, NULL); + } + *inptr = 0; + DEBUG { printf("go round\n"); fflush(stdout); } + goto nextinput; + default: + printf("SSL error code %d\n", error); + } +#endif +#ifdef HAVE_GNUTLS + retry1: + DEBUG { printf("call gnutls_record_recv\n"); fflush(stdout); } + rc = gnutls_record_recv(tls_session, CS inbufferp, bsiz - (inbufferp - inbuffer) - 1); + if (rc < 0) + { + DEBUG { printf("gnutls_record_recv: %s\n", gnutls_strerror(rc)); fflush(stdout); } + if (rc == GNUTLS_E_INTERRUPTED || rc == GNUTLS_E_AGAIN) + goto retry1; + printf("%s\n", gnutls_strerror(rc)); + srv->tls_active = FALSE; + *inptr = 0; + DEBUG { printf("go round\n"); fflush(stdout); } + goto nextinput; + } + DEBUG { printf("gnutls_record_recv: %d\n", rc); fflush(stdout); } +#endif + } + else + { + DEBUG { printf("call read\n"); fflush(stdout); } + rc = read(srv->sock, inbufferp, bsiz - (inbufferp - inbuffer) - 1); + DEBUG { printf("read: %d\n", rc); fflush(stdout); } + } + + if (rc > 0) inbufferp[rc] = '\0'; + if (rc <= 0 || strchr(inbufferp, '\n')) break; + inbufferp += rc; + if (inbufferp >= inbuffer + bsiz) + { + printf("Input buffer overrun, need more than %d bytes input buffer\n", bsiz); + exit(73); + } + DEBUG { printf("read more\n"); } + } + alarm(0); if (rc < 0) { - printf("Read error %s\n", strerror(errno)); + if (errno == EINTR && sigalrm_seen && resp_optional) + continue; /* next scriptline */ + printf("Read error: %s\n", strerror(errno)); exit(81); } else if (rc == 0) @@ -581,6 +657,8 @@ while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) printf("Expected EOF read\n"); continue; } + else if (resp_optional) + continue; /* next scriptline */ else { printf("Unexpected EOF read\n"); @@ -594,11 +672,9 @@ while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) exit(74); } else - { - inbuffer[rc] = 0; inptr = inbuffer; - } } + DEBUG { printf("read: '%s'\n", inptr); fflush(stdout); } lineptr = inptr; while (*inptr != 0 && *inptr != '\r' && *inptr != '\n') inptr++; @@ -608,19 +684,38 @@ while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) if (*inptr == '\n') inptr++; } - printf("<<< %s\n", lineptr); if (strncmp(CS lineptr, CS outbuffer + 4, n - 4) != 0) - { - printf("\n******** Input mismatch ********\n"); - exit(79); - } + if (resp_optional) + { + inptr = lineptr; /* consume scriptline, not inputline */ + continue; + } + else + { + printf("<<< %s\n", lineptr); + printf("\n******** Input mismatch ********\n"); + exit(79); + } + + /* Input matched script. Output the inputline, unless optional */ + DEBUG { printf("read matched\n"); fflush(stdout); } + + if (!resp_optional) + printf("<<< %s\n", lineptr); + else + + /* If there is further input after this line, consume inputline but not + scriptline in case there are several matching. Nonmatches are dealt with + above. */ + + if (*inptr != 0) + goto nextinput; #ifdef HAVE_TLS if (srv->sent_starttls) { if (lineptr[0] == '2') { -int rc; unsigned int verify; printf("Attempting to start TLS\n"); @@ -633,6 +728,9 @@ int rc; #ifdef HAVE_GNUTLS { int rc; + fd_set rfd; + struct timeval tv = { 0, 2000 }; + sigalrm_seen = FALSE; alarm(timeout); do { @@ -642,6 +740,25 @@ int rc; alarm(0); if (!srv->tls_active) printf("%s\n", gnutls_strerror(rc)); + + /* look for an error on the TLS conn */ + FD_ZERO(&rfd); + FD_SET(srv->sock, &rfd); + if (select(srv->sock+1, &rfd, NULL, NULL, &tv) > 0) + { + retry2: + DEBUG { printf("call gnutls_record_recv\n"); fflush(stdout); } + rc = gnutls_record_recv(tls_session, CS inbuffer, bsiz - 1); + if (rc < 0) + { + DEBUG { printf("gnutls_record_recv: %s\n", gnutls_strerror(rc)); fflush(stdout); } + if (rc == GNUTLS_E_INTERRUPTED || rc == GNUTLS_E_AGAIN) + goto retry2; + printf("%s\n", gnutls_strerror(rc)); + srv->tls_active = FALSE; + } + DEBUG { printf("gnutls_record_recv: %d\n", rc); fflush(stdout); } + } } #endif @@ -710,9 +827,9 @@ int rc; else if (strncmp(CS outbuffer, "<<< ", 4) == 0) { FILE * new_f; - if (!(new_f = fopen(outbuffer+4 , "r"))) + if (!(new_f = fopen((const char *)outbuffer+4 , "r"))) { - printf("Unable to open '%s': %s", inptr, sys_errlist[errno]); + printf("Unable to open '%s': %s", inptr, strerror(errno)); exit(74); } do_file(srv, new_f, timeout, inbuffer, bsiz, inptr); @@ -836,6 +953,10 @@ Usage: client\n" "\ [-tls-on-connect]\n\ [-ocsp]\n" +# ifdef HAVE_GNUTLS +"\ + [-p priority-string]\n" +# endif #endif "\ [-tn] n seconds timeout\n\ @@ -868,7 +989,7 @@ struct sockaddr_in6 s_in6; srv_ctx srv; -unsigned char inbuffer[10240]; +unsigned char inbuffer[100 * 1024]; unsigned char *inptr = inbuffer; *inptr = 0; /* Buffer empty */ @@ -901,6 +1022,17 @@ while (argc >= argi + 1 && argv[argi][0] == '-') } ocsp_stapling = argv[argi++]; } +# ifdef HAVE_GNUTLS + else if (strcmp(argv[argi], "-p") == 0) + { + if (argc < ++argi + 1) + { + fprintf(stderr, "Missing priority string\n"); + exit(96); + } + pri_string = argv[argi++]; + } +#endif #endif else if (argv[argi][1] == 't' && isdigit(argv[argi][2])) @@ -1047,14 +1179,30 @@ if (interface != NULL) #if HAVE_IPV6 if (host_af == AF_INET6) { +# ifdef HAVE_GETADDRINFO + struct addrinfo hints, *res; + memset(&hints, 0, sizeof(hints)); + hints.ai_family = AF_INET6; + hints.ai_socktype = SOCK_STREAM; + hints.ai_flags = AI_NUMERICHOST; + if ((rc = getaddrinfo(address, NULL, &hints, &res)) != 0 || res == NULL) + { + printf("unable to parse \"%s\" as an IP address: %s\n", address, + rc == 0 ? "NULL result returned" : gai_strerror(rc)); + exit(86); + } + memcpy(&s_in6, res->ai_addr, res->ai_addrlen); + freeaddrinfo(res); +# else memset(&s_in6, 0, sizeof(s_in6)); s_in6.sin6_family = AF_INET6; - s_in6.sin6_port = htons(port); if (inet_pton(host_af, address, &s_in6.sin6_addr) != 1) { printf("Unable to parse \"%s\"", address); exit(86); } +# endif + s_in6.sin6_port = htons(port); } else #endif @@ -1086,6 +1234,13 @@ if (rc < 0) exit(85); } +#ifdef TCP_QUICKACK + { + int off = 0; + (void) setsockopt(srv.sock, IPPROTO_TCP, TCP_QUICKACK, US &off, sizeof(off)); + } +#endif + printf("connected\n"); @@ -1132,7 +1287,7 @@ SSL_CTX_set_info_callback(srv.ctx, (void (*)())info_callback); #ifdef HAVE_GNUTLS if (certfile != NULL) printf("Certificate file = %s\n", certfile); if (keyfile != NULL) printf("Key file = %s\n", keyfile); -tls_init(certfile, keyfile); +tls_init(US certfile, US keyfile); tls_session = tls_session_init(); #ifdef HAVE_OCSP if (ocsp_stapling) @@ -1194,7 +1349,8 @@ do_file(&srv, stdin, timeout, inbuffer, sizeof(inbuffer), inptr); printf("End of script\n"); shutdown(srv.sock, SHUT_WR); -while (read(srv.sock, inbuffer, sizeof(inbuffer)) > 0) ; +if (fcntl(srv.sock, F_SETFL, O_NONBLOCK) == 0) + while (read(srv.sock, inbuffer, sizeof(inbuffer)) > 0) ; close(srv.sock); exit(0);