X-Git-Url: https://git.exim.org/users/heiko/exim.git/blobdiff_plain/0886a95e57e47c507ad3a52e3c9d3581ee7b6ddc..8d3dc2397dd769bf4654b0678be8d2acf0956ddd:/test/src/client.c diff --git a/test/src/client.c b/test/src/client.c index dd7df5bd6..eef82ef57 100644 --- a/test/src/client.c +++ b/test/src/client.c @@ -24,6 +24,7 @@ ripped from the openssl ocsp and s_client utilities. */ #include #include #include +#include #include #include @@ -84,24 +85,25 @@ latter needs a whole pile of tables. */ # if GNUTLS_VERSION_NUMBER >= 0x030103 # define HAVE_OCSP # include -# ifndef GNUTLS_NO_EXTENSIONS -# define GNUTLS_NO_EXTENSIONS 0 -# endif +# endif +# ifndef GNUTLS_NO_EXTENSIONS +# define GNUTLS_NO_EXTENSIONS 0 # endif # define DH_BITS 768 /* Local static variables for GNUTLS */ -static gnutls_dh_params dh_params = NULL; +static gnutls_dh_params_t dh_params = NULL; static gnutls_certificate_credentials_t x509_cred = NULL; -static gnutls_session tls_session = NULL; +static gnutls_session_t tls_session = NULL; static int ssl_session_timeout = 200; /* Priorities for TLS algorithms to use. */ +# if GNUTLS_VERSION_NUMBER < 0x030400 static const int protocol_priority[16] = { GNUTLS_TLS1, GNUTLS_SSL3, 0 }; static const int kx_priority[16] = { @@ -123,7 +125,7 @@ static const int mac_priority[16] = { 0 }; static const int comp_priority[16] = { GNUTLS_COMP_NULL, 0 }; -static const int cert_type_priority[16] = { GNUTLS_CRT_X509, 0 }; +# endif #endif /*HAVE_GNUTLS*/ @@ -131,6 +133,7 @@ static const int cert_type_priority[16] = { GNUTLS_CRT_X509, 0 }; #ifdef HAVE_TLS char * ocsp_stapling = NULL; +char * pri_string = NULL; #endif @@ -164,40 +167,33 @@ sigalrm_seen = 1; /****************************************************************************/ #ifdef HAVE_OPENSSL +# ifndef DISABLE_OCSP -X509_STORE * -setup_verify(BIO *bp, char *CAfile, char *CApath) +static STACK_OF(X509) * +chain_from_pem_file(const uschar * file) { - 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; +BIO * bp; +X509 * x; +STACK_OF(X509) * sk; + +if (!(sk = sk_X509_new_null())) return NULL; +if (!(bp = BIO_new_file(CS file, "r"))) return NULL; +while ((x = PEM_read_bio_X509(bp, NULL, 0, NULL))) + sk_X509_push(sk, x); +BIO_free(bp); +return sk; +} + + + +static void +cert_stack_free(STACK_OF(X509) * sk) +{ +while (sk_X509_num(sk) > 0) (void) sk_X509_pop(sk); +sk_X509_free(sk); } -#ifndef DISABLE_OCSP static int tls_client_stapling_cb(SSL *s, void *arg) { @@ -205,8 +201,7 @@ const unsigned char *p; int len; OCSP_RESPONSE *rsp; OCSP_BASICRESP *bs; -char *CAfile = NULL; -X509_STORE *store = NULL; +STACK_OF(X509) * sk; int ret = 1; len = SSL_get_tlsext_status_ocsp_resp(s, &p); @@ -228,15 +223,19 @@ if(!(bs = OCSP_response_get1_basic(rsp))) return 0; } -CAfile = ocsp_stapling; -if(!(store = setup_verify(arg, CAfile, NULL))) + +if (!(sk = chain_from_pem_file((const uschar *)ocsp_stapling))) { 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) +/* OCSP_basic_verify takes a "store" arg, but does not +use it for the chain verification, which is all we do +when OCSP_NOVERIFY is set. The content from the wire +(in "bs") and a cert-stack "sk" are all that is used. */ + +if(OCSP_basic_verify(bs, sk, NULL, OCSP_NOVERIFY) <= 0) { BIO_printf(arg, "Response Verify Failure\n"); ERR_print_errors(arg); @@ -245,10 +244,10 @@ if(OCSP_basic_verify(bs, NULL, store, 0) <= 0) else BIO_printf(arg, "Response verify OK\n"); -X509_STORE_free(store); +cert_stack_free(sk); return ret; } -#endif +# endif /*DISABLE_OCSP*/ /************************************************* @@ -356,7 +355,7 @@ init_dh(void) { int fd; int ret; -gnutls_datum m; +gnutls_datum_t m; uschar filename[200]; struct stat statbuf; @@ -449,13 +448,14 @@ if (ocsp_stapling) * Initialize a single GNUTLS session * *************************************************/ -static gnutls_session +static gnutls_session_t tls_session_init(void) { -gnutls_session session; +gnutls_session_t session; gnutls_init(&session, GNUTLS_CLIENT | GNUTLS_NO_EXTENSIONS); +# 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); @@ -463,6 +463,19 @@ gnutls_protocol_set_priority(session, protocol_priority); gnutls_mac_set_priority(session, mac_priority); gnutls_cred_set(session, GNUTLS_CRD_CERTIFICATE, x509_cred); +# else +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 gnutls_dh_set_prime_bits(session, DH_BITS); gnutls_db_set_cache_expiration(session, ssl_session_timeout); @@ -473,7 +486,352 @@ return session; /****************************************************************************/ +/* Turn "\n" and "\r" into the relevant characters. This is a hack. */ + +static int +unescape_buf(unsigned char * buf, int len) +{ +unsigned char * s; +unsigned char c, t; +unsigned shift; + +for (s = buf; s < buf+len; s++) if (*s == '\\') + { + switch (s[1]) + { + default: c = s[1]; shift = 1; break; + case 'n': c = '\n'; shift = 1; break; + case 'r': c = '\r'; shift = 1; break; + case 'x': + t = s[2]; + if (t >= 'A' && t <= 'F') t -= 'A'-'9'-1; + else if (t >= 'a' && t <= 'f') t -= 'a'-'9'-1; + t -= '0'; + c = (t<<4) & 0xf0; + t = s[3]; + if (t >= 'A' && t <= 'F') t -= 'A'-'9'-1; + else if (t >= 'a' && t <= 'f') t -= 'a'-'9'-1; + t -= '0'; + c |= t & 0xf; + shift = 3; + break; + } + *s = c; + memmove(s+1, s+shift+1, len-shift); + len -= shift; + } +return len; +} + + /****************************************************************************/ +typedef struct { + int sock; + int tls_active; +#ifdef HAVE_OPENSSL + SSL_CTX * ctx; + SSL * ssl; +#endif + int sent_starttls; +} srv_ctx; + +static void +do_file(srv_ctx * srv, FILE * f, int timeout, + unsigned char * inbuffer, unsigned bsiz, unsigned char * inptr) +{ +unsigned char outbuffer[1024 * 20]; + +while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) + { + int n = (int)strlen(CS outbuffer); + int crlf = 1; + int rc; + + /* Strip trailing newline */ + if (outbuffer[n-1] == '\n') outbuffer[--n] = 0; + + /* Expect incoming */ + + if ( strncmp(CS outbuffer, "???", 3) == 0 + && (outbuffer[3] == ' ' || outbuffer[3] == '*') + ) + { + unsigned char *lineptr; + unsigned exp_eof = outbuffer[3] == '*'; + + printf("%s\n", outbuffer); + n = unescape_buf(outbuffer, n); + + 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); + } + + if (rc < 0) + { + printf("Read error %s\n", strerror(errno)); + exit(81); + } + else if (rc == 0) + if (exp_eof) + { + printf("Expected EOF read\n"); + continue; + } + else + { + printf("Unexpected EOF read\n"); + close(srv->sock); + exit(80); + } + else if (exp_eof) + { + printf("Expected EOF not read\n"); + close(srv->sock); + exit(74); + } + else + { + inbuffer[rc] = 0; + inptr = inbuffer; + } + } + + lineptr = inptr; + while (*inptr != 0 && *inptr != '\r' && *inptr != '\n') inptr++; + if (*inptr != 0) + { + *inptr++ = 0; + 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); + } + + #ifdef HAVE_TLS + if (srv->sent_starttls) + { + if (lineptr[0] == '2') + { +int rc; + unsigned int verify; + + printf("Attempting to start TLS\n"); + fflush(stdout); + + #ifdef HAVE_OPENSSL + srv->tls_active = tls_start(srv->sock, &srv->ssl, srv->ctx); + #endif + + #ifdef HAVE_GNUTLS + { + int rc; + sigalrm_seen = FALSE; + alarm(timeout); + do { + rc = gnutls_handshake(tls_session); + } while (rc < 0 && gnutls_error_is_fatal(rc) == 0); + srv->tls_active = rc >= 0; + alarm(0); + + if (!srv->tls_active) printf("%s\n", gnutls_strerror(rc)); + } + #endif + + if (!srv->tls_active) + { + printf("Failed to start TLS\n"); + fflush(stdout); + } + #ifdef HAVE_GNUTLS + else if (ocsp_stapling) + { + if ((rc= gnutls_certificate_verify_peers2(tls_session, &verify)) < 0) + { + printf("Failed to verify certificate: %s\n", gnutls_strerror(rc)); + fflush(stdout); + } + else if (verify & (GNUTLS_CERT_INVALID|GNUTLS_CERT_REVOKED)) + { + printf("Bad certificate\n"); + fflush(stdout); + } + #ifdef HAVE_OCSP + else if (gnutls_ocsp_status_request_is_checked(tls_session, 0) == 0) + { + printf("Failed to verify certificate status\n"); + { + gnutls_datum_t stapling; + gnutls_ocsp_resp_t resp; + gnutls_datum_t printed; + if ( (rc= gnutls_ocsp_status_request_get(tls_session, &stapling)) == 0 + && (rc= gnutls_ocsp_resp_init(&resp)) == 0 + && (rc= gnutls_ocsp_resp_import(resp, &stapling)) == 0 + && (rc= gnutls_ocsp_resp_print(resp, GNUTLS_OCSP_PRINT_FULL, &printed)) == 0 + ) + { + fprintf(stderr, "%.4096s", printed.data); + gnutls_free(printed.data); + } + else + (void) fprintf(stderr,"ocsp decode: %s", gnutls_strerror(rc)); + } + fflush(stdout); + } + #endif + } + #endif + else + printf("Succeeded in starting TLS\n"); + } + else printf("Abandoning TLS start attempt\n"); + } + srv->sent_starttls = 0; + #endif + } + + /* Wait for a bit before proceeding */ + + else if (strncmp(CS outbuffer, "+++ ", 4) == 0) + { + printf("%s\n", outbuffer); + sleep(atoi(CS outbuffer + 4)); + } + + /* Stack new input file */ + + else if (strncmp(CS outbuffer, "<<< ", 4) == 0) + { + FILE * new_f; + if (!(new_f = fopen((const char *)outbuffer+4 , "r"))) + { + printf("Unable to open '%s': %s", inptr, strerror(errno)); + exit(74); + } + do_file(srv, new_f, timeout, inbuffer, bsiz, inptr); + } + + + /* Send line outgoing, but barf if unconsumed incoming */ + + else + { + unsigned char * out = outbuffer; + + if (strncmp(CS outbuffer, ">>> ", 4) == 0) + { + crlf = 0; + out += 4; + n -= 4; + } + + if (*inptr != 0) + { + printf("Unconsumed input: %s", inptr); + printf(" About to send: %s\n", out); + exit(78); + } + + #ifdef HAVE_TLS + + /* Shutdown TLS */ + + if (strcmp(CS out, "stoptls") == 0 || + strcmp(CS out, "STOPTLS") == 0) + { + if (!srv->tls_active) + { + printf("STOPTLS read when TLS not active\n"); + exit(77); + } + printf("Shutting down TLS encryption\n"); + + #ifdef HAVE_OPENSSL + SSL_shutdown(srv->ssl); + SSL_free(srv->ssl); + #endif + + #ifdef HAVE_GNUTLS + gnutls_bye(tls_session, GNUTLS_SHUT_WR); + gnutls_deinit(tls_session); + tls_session = NULL; + gnutls_global_deinit(); + #endif + + srv->tls_active = 0; + continue; + } + + /* Remember that we sent STARTTLS */ + + srv->sent_starttls = (strcmp(CS out, "starttls") == 0 || + strcmp(CS out, "STARTTLS") == 0); + + /* Fudge: if the command is "starttls_wait", we send the starttls bit, + but we haven't set the flag, so that there is no negotiation. This is for + testing the server's timeout. */ + + if (strcmp(CS out, "starttls_wait") == 0) + { + out[8] = 0; + n = 8; + } + #endif + + printf(">>> %s\n", out); + if (crlf) + { + strcpy(CS out + n, "\r\n"); + n += 2; + } + + n = unescape_buf(out, n); + + /* OK, do it */ + + alarm(timeout); + if (srv->tls_active) + { + #ifdef HAVE_OPENSSL + rc = SSL_write (srv->ssl, out, n); + #endif + #ifdef HAVE_GNUTLS + if ((rc = gnutls_record_send(tls_session, CS out, n)) < 0) + { + printf("GnuTLS write error: %s\n", gnutls_strerror(rc)); + exit(76); + } + #endif + } + else + rc = write(srv->sock, out, n); + alarm(0); + + if (rc < 0) + { + printf("Write error: %s\n", strerror(errno)); + exit(75); + } + } + } +} @@ -488,6 +846,10 @@ Usage: client\n" "\ [-tls-on-connect]\n\ [-ocsp]\n" +# ifdef HAVE_GNUTLS +"\ + [-p priority-string]\n" +# endif #endif "\ [-tn] n seconds timeout\n\ @@ -498,7 +860,8 @@ Usage: client\n" []\n\ \n"; -int main(int argc, char **argv) +int +main(int argc, char **argv) { struct sockaddr *s_ptr; struct sockaddr_in s_in4; @@ -508,10 +871,8 @@ char *certfile = NULL; char *keyfile = NULL; char *end = NULL; int argi = 1; -int host_af, port, s_len, rc, sock, save_errno; +int host_af, port, s_len, rc, save_errno; int timeout = 5; -int tls_active = 0; -int sent_starttls = 0; int tls_on_connect = 0; long tmplong; @@ -519,16 +880,14 @@ long tmplong; struct sockaddr_in6 s_in6; #endif -#ifdef HAVE_OPENSSL -SSL_CTX* ctx; -SSL* ssl; -#endif +srv_ctx srv; -unsigned char outbuffer[10240]; unsigned char inbuffer[10240]; unsigned char *inptr = inbuffer; *inptr = 0; /* Buffer empty */ +srv.tls_active = 0; +srv.sent_starttls = 0; /* Options */ @@ -556,6 +915,17 @@ 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])) @@ -642,8 +1012,8 @@ even on an IPv6 system. */ printf("Connecting to %s port %d ... ", address, port); -sock = socket(host_af, SOCK_STREAM, 0); -if (sock < 0) +srv.sock = socket(host_af, SOCK_STREAM, 0); +if (srv.sock < 0) { printf("socket creation failed: %s\n", strerror(errno)); exit(89); @@ -688,7 +1058,7 @@ if (interface != NULL) /* Bind */ - if (bind(sock, s_ptr, s_len) < 0) + if (bind(srv.sock, s_ptr, s_len) < 0) { printf("Unable to bind outgoing SMTP call to %s: %s", interface, strerror(errno)); @@ -727,7 +1097,7 @@ else signal(SIGALRM, sigalrm_handler_crash); alarm(timeout); -rc = connect(sock, s_ptr, s_len); +rc = connect(srv.sock, s_ptr, s_len); save_errno = errno; alarm(0); @@ -736,7 +1106,7 @@ an externally applied timeout if the signal handler has been run. */ if (rc < 0) { - close(sock); + close(srv.sock); printf("connect failed: %s\n", strerror(save_errno)); exit(85); } @@ -750,16 +1120,15 @@ printf("connected\n"); SSL_library_init(); SSL_load_error_strings(); -ctx = SSL_CTX_new(SSLv23_method()); -if (ctx == NULL) +if (!(srv.ctx = SSL_CTX_new(SSLv23_method()))) { printf ("SSL_CTX_new failed\n"); exit(84); } -if (certfile != NULL) +if (certfile) { - if (!SSL_CTX_use_certificate_file(ctx, certfile, SSL_FILETYPE_PEM)) + if (!SSL_CTX_use_certificate_file(srv.ctx, certfile, SSL_FILETYPE_PEM)) { printf("SSL_CTX_use_certificate_file failed\n"); exit(83); @@ -767,9 +1136,9 @@ if (certfile != NULL) printf("Certificate file = %s\n", certfile); } -if (keyfile != NULL) +if (keyfile) { - if (!SSL_CTX_use_PrivateKey_file(ctx, keyfile, SSL_FILETYPE_PEM)) + if (!SSL_CTX_use_PrivateKey_file(srv.ctx, keyfile, SSL_FILETYPE_PEM)) { printf("SSL_CTX_use_PrivateKey_file failed\n"); exit(82); @@ -777,9 +1146,9 @@ if (keyfile != NULL) printf("Key file = %s\n", keyfile); } -SSL_CTX_set_session_cache_mode(ctx, SSL_SESS_CACHE_BOTH); -SSL_CTX_set_timeout(ctx, 200); -SSL_CTX_set_info_callback(ctx, (void (*)())info_callback); +SSL_CTX_set_session_cache_mode(srv.ctx, SSL_SESS_CACHE_BOTH); +SSL_CTX_set_timeout(srv.ctx, 200); +SSL_CTX_set_info_callback(srv.ctx, (void (*)())info_callback); #endif @@ -794,7 +1163,7 @@ tls_session = tls_session_init(); if (ocsp_stapling) gnutls_ocsp_status_request_enable_client(tls_session, NULL, 0, NULL); #endif -gnutls_transport_set_ptr(tls_session, (gnutls_transport_ptr)sock); +gnutls_transport_set_ptr(tls_session, (gnutls_transport_ptr_t)(intptr_t)srv.sock); /* When the server asks for a certificate and the client does not have one, there is a SIGPIPE error in the gnutls_handshake() function for some reason @@ -815,286 +1184,43 @@ if (tls_on_connect) { printf("Attempting to start TLS\n"); - #ifdef HAVE_OPENSSL - tls_active = tls_start(sock, &ssl, ctx); - #endif +#ifdef HAVE_OPENSSL + srv.tls_active = tls_start(srv.sock, &srv.ssl, srv.ctx); +#endif - #ifdef HAVE_GNUTLS +#ifdef HAVE_GNUTLS + { + int rc; sigalrm_seen = FALSE; alarm(timeout); - tls_active = gnutls_handshake(tls_session) >= 0; + do { + rc = gnutls_handshake(tls_session); + } while (rc < 0 && gnutls_error_is_fatal(rc) == 0); + srv.tls_active = rc >= 0; alarm(0); - #endif - if (!tls_active) + if (!srv.tls_active) printf("%s\n", gnutls_strerror(rc)); + } +#endif + + if (!srv.tls_active) printf("Failed to start TLS\n"); - #if defined(HAVE_GNUTLS) && defined(HAVE_OCSP) +#if defined(HAVE_GNUTLS) && defined(HAVE_OCSP) else if ( ocsp_stapling && gnutls_ocsp_status_request_is_checked(tls_session, 0) == 0) printf("Failed to verify certificate status\n"); - #endif +#endif else printf("Succeeded in starting TLS\n"); } #endif -while (fgets(CS outbuffer, sizeof(outbuffer), stdin) != NULL) - { - int n = (int)strlen(CS outbuffer); - while (n > 0 && isspace(outbuffer[n-1])) n--; - outbuffer[n] = 0; - - /* Expect incoming */ - - if (strncmp(CS outbuffer, "??? ", 4) == 0) - { - unsigned char *lineptr; - printf("%s\n", outbuffer); - - if (*inptr == 0) /* Refill input buffer */ - { - if (tls_active) - { - #ifdef HAVE_OPENSSL - rc = SSL_read (ssl, inbuffer, sizeof(inbuffer) - 1); - #endif - #ifdef HAVE_GNUTLS - rc = gnutls_record_recv(tls_session, CS inbuffer, sizeof(inbuffer) - 1); - #endif - } - else - { - alarm(timeout); - rc = read(sock, inbuffer, sizeof(inbuffer)); - alarm(0); - } - - if (rc < 0) - { - printf("Read error %s\n", strerror(errno)); - exit(81) ; - } - else if (rc == 0) - { - printf("Unexpected EOF read\n"); - close(sock); - exit(80); - } - else - { - inbuffer[rc] = 0; - inptr = inbuffer; - } - } - - lineptr = inptr; - while (*inptr != 0 && *inptr != '\r' && *inptr != '\n') inptr++; - if (*inptr != 0) - { - *inptr++ = 0; - if (*inptr == '\n') inptr++; - } - - printf("<<< %s\n", lineptr); - if (strncmp(CS lineptr, CS outbuffer + 4, (int)strlen(CS outbuffer) - 4) != 0) - { - printf("\n******** Input mismatch ********\n"); - exit(79); - } - - #ifdef HAVE_TLS - if (sent_starttls) - { - if (lineptr[0] == '2') - { -int rc; - unsigned int verify; - - printf("Attempting to start TLS\n"); - fflush(stdout); - - #ifdef HAVE_OPENSSL - tls_active = tls_start(sock, &ssl, ctx); - #endif - - #ifdef HAVE_GNUTLS - sigalrm_seen = FALSE; - alarm(timeout); - tls_active = gnutls_handshake(tls_session) >= 0; - alarm(0); - #endif - - if (!tls_active) - { - printf("Failed to start TLS\n"); - fflush(stdout); - } - #ifdef HAVE_GNUTLS - else if (ocsp_stapling) - { - if ((rc= gnutls_certificate_verify_peers2(tls_session, &verify)) < 0) - { - printf("Failed to verify certificate: %s\n", gnutls_strerror(rc)); - fflush(stdout); - } - else if (verify & (GNUTLS_CERT_INVALID|GNUTLS_CERT_REVOKED)) - { - printf("Bad certificate\n"); - fflush(stdout); - } - #ifdef HAVE_OCSP - else if (gnutls_ocsp_status_request_is_checked(tls_session, 0) == 0) - { - printf("Failed to verify certificate status\n"); - { - gnutls_datum_t stapling; - gnutls_ocsp_resp_t resp; - gnutls_datum_t printed; - if ( (rc= gnutls_ocsp_status_request_get(tls_session, &stapling)) == 0 - && (rc= gnutls_ocsp_resp_init(&resp)) == 0 - && (rc= gnutls_ocsp_resp_import(resp, &stapling)) == 0 - && (rc= gnutls_ocsp_resp_print(resp, GNUTLS_OCSP_PRINT_FULL, &printed)) == 0 - ) - { - fprintf(stderr, "%.4096s", printed.data); - gnutls_free(printed.data); - } - else - (void) fprintf(stderr,"ocsp decode: %s", gnutls_strerror(rc)); - } - fflush(stdout); - } - #endif - } - #endif - else - printf("Succeeded in starting TLS\n"); - } - else printf("Abandoning TLS start attempt\n"); - } - sent_starttls = 0; - #endif - } - - /* Wait for a bit before proceeding */ - - else if (strncmp(CS outbuffer, "+++ ", 4) == 0) - { - printf("%s\n", outbuffer); - sleep(atoi(CS outbuffer + 4)); - } - - /* Send outgoing, but barf if unconsumed incoming */ - - else - { - unsigned char *escape; - - if (*inptr != 0) - { - printf("Unconsumed input: %s", inptr); - printf(" About to send: %s\n", outbuffer); - exit(78); - } - - #ifdef HAVE_TLS - - /* Shutdown TLS */ - - if (strcmp(CS outbuffer, "stoptls") == 0 || - strcmp(CS outbuffer, "STOPTLS") == 0) - { - if (!tls_active) - { - printf("STOPTLS read when TLS not active\n"); - exit(77); - } - printf("Shutting down TLS encryption\n"); - - #ifdef HAVE_OPENSSL - SSL_shutdown(ssl); - SSL_free(ssl); - #endif - - #ifdef HAVE_GNUTLS - gnutls_bye(tls_session, GNUTLS_SHUT_WR); - gnutls_deinit(tls_session); - tls_session = NULL; - gnutls_global_deinit(); - #endif - - tls_active = 0; - continue; - } - - /* Remember that we sent STARTTLS */ - - sent_starttls = (strcmp(CS outbuffer, "starttls") == 0 || - strcmp(CS outbuffer, "STARTTLS") == 0); - - /* Fudge: if the command is "starttls_wait", we send the starttls bit, - but we haven't set the flag, so that there is no negotiation. This is for - testing the server's timeout. */ - - if (strcmp(CS outbuffer, "starttls_wait") == 0) - { - outbuffer[8] = 0; - n = 8; - } - #endif - - printf(">>> %s\n", outbuffer); - strcpy(CS outbuffer + n, "\r\n"); - - /* Turn "\n" and "\r" into the relevant characters. This is a hack. */ - - while ((escape = US strstr(CS outbuffer, "\\r")) != NULL) - { - *escape = '\r'; - memmove(escape + 1, escape + 2, (n + 2) - (escape - outbuffer) - 2); - n--; - } - - while ((escape = US strstr(CS outbuffer, "\\n")) != NULL) - { - *escape = '\n'; - memmove(escape + 1, escape + 2, (n + 2) - (escape - outbuffer) - 2); - n--; - } - - /* OK, do it */ - - alarm(timeout); - if (tls_active) - { - #ifdef HAVE_OPENSSL - rc = SSL_write (ssl, outbuffer, n + 2); - #endif - #ifdef HAVE_GNUTLS - rc = gnutls_record_send(tls_session, CS outbuffer, n + 2); - if (rc < 0) - { - printf("GnuTLS write error: %s\n", gnutls_strerror(rc)); - exit(76); - } - #endif - } - else - { - rc = write(sock, outbuffer, n + 2); - } - alarm(0); - - if (rc < 0) - { - printf("Write error: %s\n", strerror(errno)); - exit(75); - } - } - } +do_file(&srv, stdin, timeout, inbuffer, sizeof(inbuffer), inptr); printf("End of script\n"); -close(sock); +shutdown(srv.sock, SHUT_WR); +while (read(srv.sock, inbuffer, sizeof(inbuffer)) > 0) ; +close(srv.sock); exit(0); }