X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/ba86e143c7aeb0d70ea4c9d73a617a98f06f6baa..b4a37a77271a8f6efc887d68265eb7867eff6170:/test/src/client.c diff --git a/test/src/client.c b/test/src/client.c index be8b1cc0d..64b8203bf 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 @@ -224,7 +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; @@ -429,7 +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. */ @@ -553,36 +556,84 @@ 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 */ { + alarm(timeout); if (srv->tls_active) { - #ifdef HAVE_OPENSSL - rc = SSL_read (srv->ssl, inbuffer, bsiz - 1); - #endif - #ifdef HAVE_GNUTLS +#ifdef HAVE_OPENSSL + int error; + DEBUG { printf("call SSL_read\n"); fflush(stdout); } + rc = SSL_read(srv->ssl, inbuffer, bsiz - 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 inbuffer, bsiz - 1); - #endif + 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 - { - alarm(timeout); - rc = read(srv->sock, inbuffer, bsiz); - alarm(0); - } + { + DEBUG { printf("call read\n"); fflush(stdout); } + rc = read(srv->sock, inbuffer, bsiz); + DEBUG { printf("read: %d\n", rc); fflush(stdout); } + } + 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) @@ -591,6 +642,8 @@ 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"); @@ -609,6 +662,7 @@ while (fgets(CS outbuffer, sizeof(outbuffer), f) != NULL) inptr = inbuffer; } } + DEBUG { printf("read: '%s'\n", inptr); fflush(stdout); } lineptr = inptr; while (*inptr != 0 && *inptr != '\r' && *inptr != '\n') inptr++; @@ -618,19 +672,38 @@ 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"); @@ -643,6 +716,9 @@ int rc; #ifdef HAVE_GNUTLS { int rc; + fd_set rfd; + struct timeval tv = { 0, 2000 }; + sigalrm_seen = FALSE; alarm(timeout); do { @@ -652,6 +728,25 @@ 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 @@ -720,7 +815,7 @@ 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, strerror(errno)); exit(74); @@ -1157,7 +1252,7 @@ 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) @@ -1219,7 +1314,8 @@ 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);