Implement XDG compliance, logging, and improved 401 error handling

- Install to ~/.local/bin/winamp-mpris
- Use ~/.local/state/winamp-mpris/bridge.log for logging
- Use $XDG_RUNTIME_DIR/winamp-mpris.pid for PID management
- Add detailed user notification for 401 Unauthorized errors
- Add install.sh for automated, standard-compliant setup
- Include Winamp Web Interface source code and installer in repository

Wawi Source/main.h

@@ -0,0 +1,96 @@
+
+// browse.cpp
+void UpDirectory(char * mp3path, char * mp3pathout);
+bool IsWinampFile(fileinfo * file);
+bool IsWinampFile(char * filename);
+void AddFileToList(connection * conn,WIN32_FIND_DATA *find, char* mp3path, filesearch * search);
+bool GoodPath(char* mp3path);
+int Browse(connection * conn, char * mp3path);
+
+
+// ClientConnection.cpp
+DWORD WINAPI ClientConnection(LPVOID socket_param);
+void MakeLogEntry(connection * conn);
+
+// Config.cpp
+BOOL CALLBACK ConfigUsersWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+BOOL CALLBACK ConfigAboutWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+BOOL CALLBACK ConfigServerWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+BOOL CALLBACK ConfigWebPageWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+BOOL CALLBACK ConfigBrowseWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+BOOL CALLBACK ConfigLogWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+
+void config_read();
+void config_write();
+void ViewLog();
+void NewConfig();
+
+// Config_users.cpp
+BOOL CALLBACK ConfigUsersWndProc(HWND hwndDlg,UINT uMsg,WPARAM wParam,LPARAM lParam);
+void UpdateUserInfoBoxes(HWND hwndDlg, HWND hwndList, char * ini_file, int item);
+void DisplayDlgAccess(HWND hwndDlg, int access);
+int GetDlgAccess(HWND hwndDlg);
+user * RetrieveUsers(user * users, char * ini_file);
+void UpdateUserList(char * ini_file, HWND hwndList);
+void UpdateDlgUser(char * ini_file, HWND hwndDlg, HWND hwndList);
+void UpdateUser(char * ini_file,char * username, char * password, int access);
+void DeleteDlgUser(char * ini_file, HWND hwndDlg, HWND hwndList);
+void DeleteUser(char * ini_file, char * username);
+
+// DeletePlaylistEntry.cpp
+int DeletePlaylistEntry(int track);
+void FreePlaylist(playlistitem * startitem);
+int DeletePlaylistEntry2(connection * conn, int track);
+
+// main.cpp
+BOOL WINAPI _DllMainCRTStartup(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved);
+int init();
+void config();
+void quit();
+bool InitServerSocket();
+DWORD WINAPI HTTPServerThread(LPVOID param);
+HWND WAwnd();
+void Insert(fileinfo *file1, fileinfo *file2);
+bool GoesBefore(char *file1, char *file2);
+
+//net_http_html.cpp
+void prints(connection * conn, char * string);
+void flush(connection * conn);
+void printsi(connection * conn, int number);
+void ReportError(connection * conn, char * errstring);
+void Send400(connection * conn);
+bool GetRequest(connection * conn);
+bool DecodeUrl(connection * conn);
+void ListArgs(connection * conn);
+bool GetArgValue(connection * conn, char * name, char * value, int len);
+void Unescape_url(char * url);
+char x2c(char *what);
+void Escape_url(char * url);
+
+
+// security.cpp
+bool MD5(char * input, char * output, int output_len);
+int SendBasic401(connection * conn,char * realm);
+char * FindSubString(char * buffer,char * target);
+void FindBasicAuth(connection * conn, char * buffer);
+void ToBase64(char * instr, char * outstr);
+void FromBase64(char * instr, char * outstr);
+int CheckCredentials(connection * conn, char * user, char * pass);
+int GetUserAccess(char * ini_file,char * user);
+
+// strings.cpp
+char * GetDelimitedString(char * buffer, char delimiter, char * result, int result_len);
+bool GetUnquotedString(char * buffer, char * result, int result_len);
+bool GetQuotedString(char * buffer, char * result, int result_len);
+bool StartString(char* string1, char* string2);
+char * GetAString(char* chptr, char* text);
+void PrintTime(connection * conn, int mins, int seconds);
+void PrintTrackTime(connection * conn);
+void ToLowerCase(char * string);
+char ToLowerCase(char c);
+bool StrComp(char * string1, char * string2);
+void ReplaceSlashes(char * string);
+char * GetFilename(char * path);
+int atoi2(const char *str );
+bool contains(char * echars,char ch);
+char * strstr2(char *string, char *substring);