Initial commit

2020-09-20 12:16:44 +00:00
parent 09a4460ddb
commit 408c005d3e
839 changed files with 190481 additions and 0 deletions
--- a/common/rfb/Hostname.h
+++ b/common/rfb/Hostname.h
@@ -0,0 +1,100 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd.  All Rights Reserved.
+ * 
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ */
+
+#ifndef __RFB_HOSTNAME_H__
+#define __RFB_HOSTNAME_H__
+
+#include <assert.h>
+#include <stdlib.h>
+#include <rdr/Exception.h>
+#include <rfb/util.h>
+
+namespace rfb {
+
+  static void getHostAndPort(const char* hi, char** host, int* port, int basePort=5900) {
+    const char* hostStart;
+    const char* hostEnd;
+    const char* portStart;
+
+    if (hi == NULL)
+      throw rdr::Exception("NULL host specified");
+
+    assert(host);
+    assert(port);
+
+    if (hi[0] == '[') {
+      hostStart = &hi[1];
+      hostEnd = strchr(hostStart, ']');
+      if (hostEnd == NULL)
+        throw rdr::Exception("unmatched [ in host");
+
+      portStart = hostEnd + 1;
+      if (*portStart == '\0')
+        portStart = NULL;
+    } else {
+      hostStart = &hi[0];
+      hostEnd = strrchr(hostStart, ':');
+
+      if (hostEnd == NULL) {
+        hostEnd = hostStart + strlen(hostStart);
+        portStart = NULL;
+      } else {
+        if ((hostEnd > hostStart) && (hostEnd[-1] == ':'))
+          hostEnd--;
+        portStart = strchr(hostStart, ':');
+        if (portStart != hostEnd) {
+          // We found more : in the host. This is probably an IPv6 address
+          hostEnd = hostStart + strlen(hostStart);
+          portStart = NULL;
+        }
+      }
+    }
+
+    if (hostStart == hostEnd)
+      *host = strDup("localhost");
+    else {
+      size_t len;
+      len = hostEnd - hostStart + 1;
+      *host = new char[len];
+      strncpy(*host, hostStart, len-1);
+      (*host)[len-1] = '\0';
+    }
+
+    if (portStart == NULL)
+      *port = basePort;
+    else {
+      char* end;
+
+      if (portStart[0] != ':')
+        throw rdr::Exception("invalid port specified");
+
+      if (portStart[1] != ':')
+        *port = strtol(portStart + 1, &end, 10);
+      else
+        *port = strtol(portStart + 2, &end, 10);
+      if (*end != '\0')
+        throw rdr::Exception("invalid port specified");
+
+      if ((portStart[1] != ':') && (*port < 100))
+        *port += basePort;
+    }
+  }
+
+};
+
+#endif // __RFB_HOSTNAME_H__