Second Life viewer sources 1.13.2.12

1 files changed, 237 insertions, 0 deletions

diff --git a/linden/indra/llmessage/llhost.cpp b/linden/indra/llmessage/llhost.cpp
new file mode 100644
index 0000000..c071063
--- /dev/null
+++ b/linden/indra/llmessage/llhost.cpp
@@ -0,0 +1,237 @@
+/** 
+ * @file llhost.cpp
+ * @brief Encapsulates an IP address and a port.
+ *
+ * Copyright (c) 2000-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#include "linden_common.h"
+
+#include "llhost.h"
+
+#include "llerror.h"
+
+#if LL_WINDOWS
+        #define WIN32_LEAN_AND_MEAN
+        #include <winsock2.h>
+#else
+        #include <netdb.h>
+        #include <netinet/in.h> // ntonl()
+        #include <sys/types.h>
+        #include <sys/socket.h>
+        #include <arpa/inet.h>
+#endif
+
+LLHost LLHost::invalid(INVALID_PORT,INVALID_HOST_IP_ADDRESS);
+
+LLHost::LLHost(const std::string& ip_and_port)
+{
+        std::string::size_type colon_index = ip_and_port.find(":");
+        if (colon_index != std::string::npos)
+        {
+                mIP = ip_string_to_u32(ip_and_port.c_str());
+                mPort = 0;
+        }
+        else
+        {
+                std::string ip_str(ip_and_port, 0, colon_index);
+                std::string port_str(ip_and_port, colon_index+1);
+
+                mIP = ip_string_to_u32(ip_str.c_str());
+                mPort = atol(port_str.c_str());
+        }
+}
+
+void LLHost::getString(char* buffer, S32 length) const
+{
+        if (((U32) length) < MAXADDRSTR + 1 + 5)
+        {
+                llerrs << "LLHost::getString - string too short" << llendl;
+                return;
+        }
+
+        snprintf(buffer, length, "%s:%u", u32_to_ip_string(mIP), mPort);  /*Flawfinder: ignore*/
+}
+
+void LLHost::getIPString(char* buffer, S32 length) const
+{
+        if ( ((U32) length) < MAXADDRSTR)
+        {
+                llerrs << "LLHost::getIPString - string too short" << llendl;
+                return;
+        }
+
+        snprintf(buffer, length, "%s", u32_to_ip_string(mIP)); /*Flawfinder: ignore*/
+}
+
+
+std::string LLHost::getIPandPort() const
+{
+        char buffer[MAXADDRSTR + 1 + 5];
+        getString(buffer, sizeof(buffer));
+        return buffer;
+}
+
+
+std::string LLHost::getIPString() const
+{
+        return std::string( u32_to_ip_string( mIP ) );
+}
+
+
+void LLHost::getHostName(char *buf, S32 len) const
+{
+        hostent *he;
+
+        if (INVALID_HOST_IP_ADDRESS == mIP)
+        {
+                llwarns << "LLHost::getHostName() : Invalid IP address" << llendl;
+                buf[0] = '\0';
+                return;
+        }
+        he = gethostbyaddr((char *)&mIP, sizeof(mIP), AF_INET);
+        if (!he)
+        {
+#if LL_WINDOWS
+                llwarns << "LLHost::getHostName() : Couldn't find host name for address " << mIP << ", Error: " 
+                        << WSAGetLastError() << llendl;
+#else
+                llwarns << "LLHost::getHostName() : Couldn't find host name for address " << mIP << ", Error: " 
+                        << h_errno << llendl;
+#endif
+                buf[0] = '\0';                                          
+        }
+        else
+        {
+                strncpy(buf, he->h_name, len); /*Flawfinder: ignore*/
+                buf[len-1] = '\0';
+        }
+}
+
+LLString LLHost::getHostName() const
+{
+        hostent *he;
+
+        if (INVALID_HOST_IP_ADDRESS == mIP)
+        {
+                llwarns << "LLHost::getHostName() : Invalid IP address" << llendl;
+                return "";
+        }
+        he = gethostbyaddr((char *)&mIP, sizeof(mIP), AF_INET);
+        if (!he)
+        {
+#if LL_WINDOWS
+                llwarns << "LLHost::getHostName() : Couldn't find host name for address " << mIP << ", Error: " 
+                        << WSAGetLastError() << llendl;
+#else
+                llwarns << "LLHost::getHostName() : Couldn't find host name for address " << mIP << ", Error: " 
+                        << h_errno << llendl;
+#endif
+                return "";
+        }
+        else
+        {
+                LLString hostname = he->h_name;
+                return hostname;
+        }
+}
+
+BOOL LLHost::setHostByName(const char *string)
+{
+        hostent *he;
+        char local_name[MAX_STRING];  /*Flawfinder: ignore*/
+
+        if (strlen(string)+1 > MAX_STRING) /*Flawfinder: ignore*/
+        {
+                llerrs << "LLHost::setHostByName() : Address string is too long: " 
+                        << string << llendl;
+        }
+
+        strncpy(local_name, string,MAX_STRING);  /*Flawfinder: ignore*/
+        local_name[MAX_STRING-1] = '\0';
+#if LL_WINDOWS
+        // We may need an equivalent for Linux, but not sure - djs
+        _strupr(local_name);
+#endif
+
+        he = gethostbyname(local_name); 
+        if(!he) 
+        {
+                U32 ip_address = inet_addr(string);
+                he = gethostbyaddr((char *)&ip_address, sizeof(ip_address), AF_INET);
+        }
+
+        if (he)
+        {
+                mIP = *(U32 *)he->h_addr_list[0];
+                return TRUE;
+        }
+        else 
+        {
+                setAddress(local_name);
+
+                // In windows, h_errno is a macro for WSAGetLastError(), so store value here
+                S32 error_number = h_errno;
+                switch(error_number) 
+                {
+                        case TRY_AGAIN: // XXX how to handle this case? 
+                                llwarns << "LLHost::setAddress(): try again" << llendl;
+                                break;
+                        case HOST_NOT_FOUND:
+                        case NO_ADDRESS:        // NO_DATA
+                                llwarns << "LLHost::setAddress(): host not found" << llendl;
+                                break;
+                        case NO_RECOVERY:
+                                llwarns << "LLHost::setAddress(): unrecoverable error" << llendl;
+                                break;
+                        default:
+                                llwarns << "LLHost::setAddress(): unknown error - " << error_number << llendl;
+                                break;
+                }
+                return FALSE;
+        }
+}
+
+LLHost& LLHost::operator=(const LLHost &rhs)
+{ 
+        if (this != &rhs)
+        {
+                set(rhs.getAddress(), rhs.getPort());
+        }
+        return *this;           
+}
+
+
+std::ostream& operator<< (std::ostream& os, const LLHost &hh)
+{
+        os << u32_to_ip_string(hh.mIP) << ":" << hh.mPort ;
+        return os;
+}
+
+
+std::istream& operator>> (std::istream& is, LLHost &rh)
+{
+        is >> rh.mIP;
+    is >> rh.mPort;
+    return is;
+}