/**
* @param[in] s The network stream to get the name for
* @param[out] dst The target buffer to store the ip and port in
* @param[in] len The length of the target buffer
* @param[in] appendPort Also append the port number to the target buffer
*/
const char* NET_StreamPeerToName (struct net_stream* s, char* dst, int len, bool appendPort)
{
if (!s)
return "(null)";
if (NET_StreamIsLoopback(s))
return "loopback connection";
char buf[128];
socklen_t addrlen = s->addrlen;
if (getpeername(s->socket, (struct sockaddr* )buf, &addrlen) != 0)
return "(error)";
char node[64];
char service[64];
const int rc = getnameinfo((struct sockaddr* )buf, addrlen, node, sizeof(node), service, sizeof(service),
NI_NUMERICHOST | NI_NUMERICSERV);
if (rc != 0) {
Com_Printf("Failed to convert sockaddr to string: %s\n", gai_strerror(rc));
return "(error)";
}
if (!appendPort) {
Q_strncpyz(dst, node, len);
} else {
node[sizeof(node) - 1] = '\0';
service[sizeof(service) - 1] = '\0';
Com_sprintf(dst, len, "%s %s", node, service);
}
return dst;
}
/**
* @brief Responses to broadcasts, etc
* @sa CL_ReadPackets
* @sa CL_Frame
* @sa SVC_DirectConnect
* @param[in,out] msg The client stream message buffer to read from
*/
static void CL_ConnectionlessPacket (dbuffer* msg)
{
char s[512];
NET_ReadStringLine(msg, s, sizeof(s));
Cmd_TokenizeString(s, false);
const char* c = Cmd_Argv(0);
Com_DPrintf(DEBUG_CLIENT, "server OOB: %s (%s)\n", c, Cmd_Args());
/* server connection */
if (Q_streq(c, CL_CMD_CLIENT_CONNECT)) {
int i;
for (i = 1; i < Cmd_Argc(); i++) {
if (char const* const p = Q_strstart(Cmd_Argv(i), "dlserver=")) {
Com_sprintf(cls.downloadReferer, sizeof(cls.downloadReferer), "ufo://%s", cls.servername);
CL_SetHTTPServer(p);
if (cls.downloadServer[0])
Com_Printf("HTTP downloading enabled, URL: %s\n", cls.downloadServer);
}
}
if (cls.state == ca_connected) {
Com_Printf("Dup connect received. Ignored.\n");
return;
}
dbuffer buf(5);
NET_WriteByte(&buf, clc_stringcmd);
NET_WriteString(&buf, NET_STATE_NEW "\n");
NET_WriteMsg(cls.netStream, buf);
GAME_InitMissionBriefing(_("Loading"));
return;
}
/* remote command from gui front end */
if (Q_streq(c, CL_CMD_COMMAND)) {
if (!NET_StreamIsLoopback(cls.netStream)) {
Com_Printf("Command packet from remote host. Ignored.\n");
return;
} else {
char str[512];
NET_ReadString(msg, str, sizeof(str));
Cbuf_AddText("%s\n", str);
}
return;
}
/* ping from server */
if (Q_streq(c, CL_CMD_PING)) {
NET_OOB_Printf(cls.netStream, SV_CMD_ACK);
return;
}
/* echo request from server */
if (Q_streq(c, CL_CMD_ECHO)) {
NET_OOB_Printf(cls.netStream, "%s", Cmd_Argv(1));
return;
}
/* print */
if (Q_streq(c, SV_CMD_PRINT)) {
NET_ReadString(msg, popupText, sizeof(popupText));
/* special reject messages needs proper handling */
if (strstr(popupText, REJ_PASSWORD_REQUIRED_OR_INCORRECT)) {
UI_PushWindow("serverpassword");
if (Q_strvalid(Cvar_GetString("password"))) {
Cvar_Set("password", "");
CL_Drop();
UI_Popup(_("Connection failure"), _("The password you specified was wrong."));
} else {
CL_Drop();
UI_Popup(_("Connection failure"), _("This server requires a password."));
}
} else if (strstr(popupText, REJ_SERVER_FULL)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("This server is full."));
} else if (strstr(popupText, REJ_BANNED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("You are banned on this server."));
} else if (strstr(popupText, REJ_GAME_ALREADY_STARTED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The game has already started."));
} else if (strstr(popupText, REJ_SERVER_VERSION_MISMATCH)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The server is running a different version of the game."));
} else if (strstr(popupText, BAD_RCON_PASSWORD)) {
Cvar_Set("rcon_password", "");
UI_Popup(_("Bad rcon password"), _("The rcon password you specified was wrong."));
} else if (strstr(popupText, REJ_CONNECTION_REFUSED)) {
CL_Drop();
UI_Popup(_("Connection failure"), _("The server refused the connection."));
} else if (Q_strvalid(popupText)) {
UI_Popup(_("Notice"), _(popupText));
}
return;
}
if (!GAME_HandleServerCommand(c, msg))
Com_Printf("Unknown command received \"%s\"\n", c);
}
