/****************************************************************************/
+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[10240];
+
+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(outbuffer+4 , "r")))
+ {
+ printf("Unable to open '%s': %s", inptr, sys_errlist[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);
+ }
+ }
+ }
+}
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;
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 */
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);
/* 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));
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);
if (rc < 0)
{
- close(sock);
+ close(srv.sock);
printf("connect failed: %s\n", strerror(save_errno));
exit(85);
}
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);
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);
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
if (ocsp_stapling)
gnutls_ocsp_status_request_enable_client(tls_session, NULL, 0, NULL);
#endif
-gnutls_transport_set_ptr(tls_session, (gnutls_transport_ptr_t)(intptr_t)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
printf("Attempting to start TLS\n");
#ifdef HAVE_OPENSSL
- tls_active = tls_start(sock, &ssl, ctx);
+ srv.tls_active = tls_start(srv.sock, &srv.ssl, srv.ctx);
#endif
#ifdef HAVE_GNUTLS
do {
rc = gnutls_handshake(tls_session);
} while (rc < 0 && gnutls_error_is_fatal(rc) == 0);
- tls_active = rc >= 0;
+ srv.tls_active = rc >= 0;
alarm(0);
- if (!tls_active) printf("%s\n", gnutls_strerror(rc));
+ if (!srv.tls_active) printf("%s\n", gnutls_strerror(rc));
}
#endif
- if (!tls_active)
+ if (!srv.tls_active)
printf("Failed to start TLS\n");
#if defined(HAVE_GNUTLS) && defined(HAVE_OCSP)
else if ( ocsp_stapling
}
#endif
-while (fgets(CS outbuffer, sizeof(outbuffer), stdin) != NULL)
- {
- int n = (int)strlen(CS outbuffer);
- int crlf = 1;
-
- /* 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 (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)
- if (exp_eof)
- {
- printf("Expected EOF read\n");
- continue;
- }
- else
- {
- printf("Unexpected EOF read\n");
- close(sock);
- exit(80);
- }
- else if (exp_eof)
- {
- printf("Expected EOF not read\n");
- close(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 (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
- {
- int rc;
- sigalrm_seen = FALSE;
- alarm(timeout);
- do {
- rc = gnutls_handshake(tls_session);
- } while (rc < 0 && gnutls_error_is_fatal(rc) == 0);
- tls_active = rc >= 0;
- alarm(0);
-
- if (!tls_active) printf("%s\n", gnutls_strerror(rc));
- }
- #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 * 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 (!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 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 (tls_active)
- {
- #ifdef HAVE_OPENSSL
- rc = SSL_write (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(sock, out, n);
- 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");
-shutdown(sock, SHUT_WR);
-while ((rc = read(sock, inbuffer, sizeof(inbuffer))) > 0) ;
-close(sock);
+shutdown(srv.sock, SHUT_WR);
+while (read(srv.sock, inbuffer, sizeof(inbuffer)) > 0) ;
+close(srv.sock);
exit(0);
}
git://git.exim.org / exim.git / commitdiff