mirror of
https://github.com/kasmtech/KasmVNC.git
synced 2024-12-01 04:23:22 +01:00
101 lines
2.7 KiB
C++
101 lines
2.7 KiB
C++
/* 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__
|