Dynamic port forwarding by means of a local SOCKS server. Fully

[u/mdw/putty] / config.c

diff --git a/config.c b/config.c
index 7204a6c..0ce6f06 100644 (file)
--- a/config.c
+++ b/config.c
@@ -634,24 +634,31 @@ static void portfwd_handler(union control *ctrl, void *dlg,
        if (ctrl == pfd->addbutton) {
            char str[sizeof(cfg->portfwd)];
            char *p;
-           if (dlg_radiobutton_get(pfd->direction, dlg) == 0)
+           int whichbutton = dlg_radiobutton_get(pfd->direction, dlg);
+           if (whichbutton == 0)
                str[0] = 'L';
-           else
+           else if (whichbutton == 1)
                str[0] = 'R';
+           else
+               str[0] = 'D';
            dlg_editbox_get(pfd->sourcebox, dlg, str+1, sizeof(str) - 2);
            if (!str[1]) {
                dlg_error_msg(dlg, "You need to specify a source port number");
                return;
            }
            p = str + strlen(str);
-           *p++ = '\t';
-           dlg_editbox_get(pfd->destbox, dlg, p, sizeof(str)-1 - (p - str));
-           if (!*p || !strchr(p, ':')) {
-               dlg_error_msg(dlg,
-                             "You need to specify a destination address\n"
-                             "in the form \"host.name:port\"");
-               return;
-           }
+           if (str[0] != 'D') {
+               *p++ = '\t';
+               dlg_editbox_get(pfd->destbox, dlg, p,
+                               sizeof(str)-1 - (p - str));
+               if (!*p || !strchr(p, ':')) {
+                   dlg_error_msg(dlg,
+                                 "You need to specify a destination address\n"
+                                 "in the form \"host.name:port\"");
+                   return;
+               }
+           } else
+               *p = '\0';
            p = cfg->portfwd;
            while (*p) {
                while (*p)
@@ -1550,11 +1557,13 @@ void setup_config_box(struct controlbox *b, struct sesslist *sesslist,
        pfd->destbox = ctrl_editbox(s, "Destination", 'i', 67,
                                    HELPCTX(ssh_tunnels_portfwd),
                                    portfwd_handler, P(pfd), P(NULL));
-       pfd->direction = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 2,
+       pfd->direction = ctrl_radiobuttons(s, NULL, NO_SHORTCUT, 3,
                                           HELPCTX(ssh_tunnels_portfwd),
                                           portfwd_handler, P(pfd),
                                           "Local", 'l', P(NULL),
-                                          "Remote", 'm', P(NULL), NULL);
+                                          "Remote", 'm', P(NULL),
+                                          "Dynamic", 'y', P(NULL),
+                                          NULL);
        ctrl_tabdelay(s, pfd->addbutton);
        ctrl_columns(s, 1, 100);