Update to putty 9388

1 files changed, 90 insertions, 71 deletions

diff --git a/tools/plink/winplink.c b/tools/plink/winplink.c
index 7af9e1b4f..bd65f7825 100644
--- a/tools/plink/winplink.c
+++ b/tools/plink/winplink.c
@@ -83,7 +83,7 @@ WSAEVENT netevent;
 

 static Backend *back;

 static void *backhandle;

-static Config cfg;

+static Conf *conf;

 

 int term_ldisc(Terminal *term, int mode)

 {

@@ -130,6 +130,12 @@ int from_backend_untrusted(void *frontend_handle, const char *data, int len)
     return 0; /* not reached */

 }

 

+int from_backend_eof(void *frontend_handle)

+{

+    handle_write_eof(stdout_handle);

+    return FALSE;   /* do not respond to incoming EOF with outgoing */

+}

+

 int get_userpass_input(prompts_t *p, unsigned char *in, int inlen)

 {

     int ret;

@@ -298,10 +304,11 @@ int main(int argc, char **argv)
     /*

      * Process the command line.

      */

-    do_defaults(NULL, &cfg);

+    conf = conf_new();

+    do_defaults(NULL, conf);

     loaded_session = FALSE;

-    default_protocol = cfg.protocol;

-    default_port = cfg.port;

+    default_protocol = conf_get_int(conf, CONF_protocol);

+    default_port = conf_get_int(conf, CONF_port);

     errors = 0;

     {

 	/*

@@ -311,8 +318,10 @@ int main(int argc, char **argv)
 	if (p) {

 	    const Backend *b = backend_from_name(p);

 	    if (b) {

-		default_protocol = cfg.protocol = b->protocol;

-		default_port = cfg.port = b->default_port;

+		default_protocol = b->protocol;

+		default_port = b->default_port;

+		conf_set_int(conf, CONF_protocol, default_protocol);

+		conf_set_int(conf, CONF_port, default_port);

 	    }

 	}

     }

@@ -320,7 +329,7 @@ int main(int argc, char **argv)
 	char *p = *++argv;

 	if (*p == '-') {

 	    int ret = cmdline_process_param(p, (argc > 1 ? argv[1] : NULL),

-					    1, &cfg);

+					    1, conf);

 	    if (ret == -2) {

 		fprintf(stderr,

 			"plink: option \"%s\" requires an argument\n", p);

@@ -332,7 +341,7 @@ int main(int argc, char **argv)
 	    } else if (!strcmp(p, "-batch")) {

 		console_batch_mode = 1;

 	    } else if (!strcmp(p, "-s")) {

-		/* Save status to write to cfg later. */

+		/* Save status to write to conf later. */

 		use_subsystem = 1;

 	    } else if (!strcmp(p, "-V")) {

                 version();

@@ -344,7 +353,7 @@ int main(int argc, char **argv)
 		errors = 1;

 	    }

 	} else if (*p) {

-	    if (!cfg_launchable(&cfg) || !(got_host || loaded_session)) {

+	    if (!conf_launchable(conf) || !(got_host || loaded_session)) {

 		char *q = p;

 		/*

 		 * If the hostname starts with "telnet:", set the

@@ -357,7 +366,7 @@ int main(int argc, char **argv)
 		    q += 7;

 		    if (q[0] == '/' && q[1] == '/')

 			q += 2;

-		    cfg.protocol = PROT_TELNET;

+		    conf_set_int(conf, CONF_protocol, PROT_TELNET);

 		    p = q;

 		    while (*p && *p != ':' && *p != '/')

 			p++;

@@ -365,11 +374,10 @@ int main(int argc, char **argv)
 		    if (*p)

 			*p++ = '\0';

 		    if (c == ':')

-			cfg.port = atoi(p);

+			conf_set_int(conf, CONF_port, atoi(p));

 		    else

-			cfg.port = -1;

-		    strncpy(cfg.host, q, sizeof(cfg.host) - 1);

-		    cfg.host[sizeof(cfg.host) - 1] = '\0';

+			conf_set_int(conf, CONF_port, -1);

+		    conf_set_str(conf, CONF_host, q);

 		    got_host = TRUE;

 		} else {

 		    char *r, *user, *host;

@@ -384,7 +392,9 @@ int main(int argc, char **argv)
 			*r = '\0';

 			b = backend_from_name(p);

 			if (b) {

-			    default_protocol = cfg.protocol = b->protocol;

+			    default_protocol = b->protocol;

+			    conf_set_int(conf, CONF_protocol,

+					 default_protocol);

 			    portnumber = b->default_port;

 			}

 			p = r + 1;

@@ -411,26 +421,24 @@ int main(int argc, char **argv)
 		     * same name as the hostname.

 		     */

 		    {

-			Config cfg2;

-			do_defaults(host, &cfg2);

-			if (loaded_session || !cfg_launchable(&cfg2)) {

+			Conf *conf2 = conf_new();

+			do_defaults(host, conf2);

+			if (loaded_session || !conf_launchable(conf2)) {

 			    /* No settings for this host; use defaults */

 			    /* (or session was already loaded with -load) */

-			    strncpy(cfg.host, host, sizeof(cfg.host) - 1);

-			    cfg.host[sizeof(cfg.host) - 1] = '\0';

-			    cfg.port = default_port;

+			    conf_set_str(conf, CONF_host, host);

+			    conf_set_int(conf, CONF_port, default_port);

 			    got_host = TRUE;

 			} else {

-			    cfg = cfg2;

+			    conf_copy_into(conf, conf2);

 			    loaded_session = TRUE;

 			}

+			conf_free(conf2);

 		    }

 

 		    if (user) {

 			/* Patch in specified username. */

-			strncpy(cfg.username, user,

-				sizeof(cfg.username) - 1);

-			cfg.username[sizeof(cfg.username) - 1] = '\0';

+			conf_set_str(conf, CONF_username, user);

 		    }

 

 		}

@@ -457,9 +465,9 @@ int main(int argc, char **argv)
 		}

 		if (cmdlen) command[--cmdlen]='\0';

 				       /* change trailing blank to NUL */

-		cfg.remote_cmd_ptr = command;

-		cfg.remote_cmd_ptr2 = NULL;

-		cfg.nopty = TRUE;      /* command => no terminal */

+		conf_set_str(conf, CONF_remote_cmd, command);

+		conf_set_str(conf, CONF_remote_cmd2, "");

+		conf_set_int(conf, CONF_nopty, TRUE);  /* command => no tty */

 

 		break;		       /* done with cmdline */

 	    }

@@ -469,70 +477,78 @@ int main(int argc, char **argv)
     if (errors)

 	return 1;

 

-    if (!cfg_launchable(&cfg) || !(got_host || loaded_session)) {

+    if (!conf_launchable(conf) || !(got_host || loaded_session)) {

 	usage();

     }

 

     /*

-     * Trim leading whitespace off the hostname if it's there.

+     * Muck about with the hostname in various ways.

      */

     {

-	int space = strspn(cfg.host, " \t");

-	memmove(cfg.host, cfg.host+space, 1+strlen(cfg.host)-space);

-    }

+	char *hostbuf = dupstr(conf_get_str(conf, CONF_host));

+	char *host = hostbuf;

+	char *p, *q;

+

+	/*

+	 * Trim leading whitespace.

+	 */

+	host += strspn(host, " \t");

 

-    /* See if host is of the form user@host */

-    if (cfg_launchable(&cfg)) {

-	char *atsign = strrchr(cfg.host, '@');

-	/* Make sure we're not overflowing the user field */

-	if (atsign) {

-	    if (atsign - cfg.host < sizeof cfg.username) {

-		strncpy(cfg.username, cfg.host, atsign - cfg.host);

-		cfg.username[atsign - cfg.host] = '\0';

+	/*

+	 * See if host is of the form user@host, and separate out

+	 * the username if so.

+	 */

+	if (host[0] != '\0') {

+	    char *atsign = strrchr(host, '@');

+	    if (atsign) {

+		*atsign = '\0';

+		conf_set_str(conf, CONF_username, host);

+		host = atsign + 1;

 	    }

-	    memmove(cfg.host, atsign + 1, 1 + strlen(atsign + 1));

 	}

+

+	/*

+	 * Trim off a colon suffix if it's there.

+	 */

+	host[strcspn(host, ":")] = '\0';

+

+	/*

+	 * Remove any remaining whitespace.

+	 */

+	p = hostbuf;

+	q = host;

+	while (*q) {

+	    if (*q != ' ' && *q != '\t')

+		*p++ = *q;

+	    q++;

+	}

+	*p = '\0';

+

+	conf_set_str(conf, CONF_host, hostbuf);

+	sfree(hostbuf);

     }

 

     /*

      * Perform command-line overrides on session configuration.

      */

-    cmdline_run_saved(&cfg);

+    cmdline_run_saved(conf);

 

     /*

      * Apply subsystem status.

      */

     if (use_subsystem)

-	cfg.ssh_subsys = TRUE;

-

-    /*

-     * Trim a colon suffix off the hostname if it's there.

-     */

-    cfg.host[strcspn(cfg.host, ":")] = '\0';

-

-    /*

-     * Remove any remaining whitespace from the hostname.

-     */

-    {

-	int p1 = 0, p2 = 0;

-	while (cfg.host[p2] != '\0') {

-	    if (cfg.host[p2] != ' ' && cfg.host[p2] != '\t') {

-		cfg.host[p1] = cfg.host[p2];

-		p1++;

-	    }

-	    p2++;

-	}

-	cfg.host[p1] = '\0';

-    }

+        conf_set_int(conf, CONF_ssh_subsys, TRUE);

 

-    if (!cfg.remote_cmd_ptr && !*cfg.remote_cmd && !*cfg.ssh_nc_host)

+    if (!*conf_get_str(conf, CONF_remote_cmd) &&

+	!*conf_get_str(conf, CONF_remote_cmd2) &&

+	!*conf_get_str(conf, CONF_ssh_nc_host))

 	flags |= FLAG_INTERACTIVE;

 

     /*

      * Select protocol. This is farmed out into a table in a

      * separate file to enable an ssh-free variant.

      */

-    back = backend_from_proto(cfg.protocol);

+    back = backend_from_proto(conf_get_int(conf, CONF_protocol));

     if (back == NULL) {

 	fprintf(stderr,

 		"Internal fault: Unsupported protocol found\n");

@@ -543,7 +559,7 @@ int main(int argc, char **argv)
      * Select port.

      */

     if (portnumber != -1)

-	cfg.port = portnumber;

+	conf_set_int(conf, CONF_port, portnumber);

 

     sk_init();

     if (p_WSAEventSelect == NULL) {

@@ -551,7 +567,7 @@ int main(int argc, char **argv)
 	return 1;

     }

 

-    logctx = log_init(NULL, &cfg);

+    logctx = log_init(NULL, conf);

     console_provide_logctx(logctx);

 

     /*

@@ -562,11 +578,14 @@ int main(int argc, char **argv)
 	const char *error;

 	char *realhost;

 	/* nodelay is only useful if stdin is a character device (console) */

-	int nodelay = cfg.tcp_nodelay &&

+	int nodelay = conf_get_int(conf, CONF_tcp_nodelay) &&

 	    (GetFileType(GetStdHandle(STD_INPUT_HANDLE)) == FILE_TYPE_CHAR);

 

-	error = back->init(NULL, &backhandle, &cfg, cfg.host, cfg.port,

-			   &realhost, nodelay, cfg.tcp_keepalives);

+	error = back->init(NULL, &backhandle, conf,

+			   conf_get_str(conf, CONF_host),

+			   conf_get_int(conf, CONF_port),

+			   &realhost, nodelay,

+			   conf_get_int(conf, CONF_tcp_keepalives));

 	if (error) {

 	    fprintf(stderr, "Unable to open connection:\n%s", error);

 	    return 1;