mirror of
https://github.com/retro100/dosbox-wii.git
synced 2024-06-28 15:16:11 +02:00
328 lines
8.5 KiB
C++
328 lines
8.5 KiB
C++
/*
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* Copyright (C) 2002-2019 The DOSBox Team
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "dosbox.h"
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#include "cross.h"
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#include "support.h"
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#include <string>
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#include <limits.h>
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#include <stdlib.h>
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#ifdef HW_RVL
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#include "wiihardware.h"
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#endif
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#ifdef WIN32
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#ifndef _WIN32_IE
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#define _WIN32_IE 0x0400
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#endif
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#include <shlobj.h>
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#endif
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#if defined HAVE_SYS_TYPES_H && defined HAVE_PWD_H
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#include <sys/types.h>
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#include <pwd.h>
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#endif
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#ifdef WIN32
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static void W32_ConfDir(std::string& in,bool create) {
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int c = create?1:0;
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char result[MAX_PATH] = { 0 };
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BOOL r = SHGetSpecialFolderPath(NULL,result,CSIDL_LOCAL_APPDATA,c);
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if(!r || result[0] == 0) r = SHGetSpecialFolderPath(NULL,result,CSIDL_APPDATA,c);
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if(!r || result[0] == 0) {
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char const * windir = getenv("windir");
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if(!windir) windir = "c:\\windows";
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safe_strncpy(result,windir,MAX_PATH);
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char const* appdata = "\\Application Data";
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size_t len = strlen(result);
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if(len + strlen(appdata) < MAX_PATH) strcat(result,appdata);
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if(create) mkdir(result);
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}
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in = result;
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}
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#endif
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void Cross::GetPlatformConfigDir(std::string& in) {
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#ifdef WIN32
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W32_ConfDir(in,false);
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in += "\\DOSBox";
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#elif defined(MACOSX)
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in = "~/Library/Preferences";
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ResolveHomedir(in);
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#elif defined(HW_RVL)
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in = std::string(appDrive) + "/DOSBox";
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#else
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in = "~/.dosbox";
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ResolveHomedir(in);
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#endif
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in += CROSS_FILESPLIT;
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}
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void Cross::GetPlatformConfigName(std::string& in) {
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#ifdef WIN32
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#define DEFAULT_CONFIG_FILE "dosbox-" VERSION ".conf"
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#elif defined(MACOSX)
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#define DEFAULT_CONFIG_FILE "DOSBox " VERSION " Preferences"
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#elif defined(HW_RVL)
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#define DEFAULT_CONFIG_FILE "dosbox.conf"
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#else /*linux freebsd*/
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#define DEFAULT_CONFIG_FILE "dosbox-" VERSION ".conf"
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#endif
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in = DEFAULT_CONFIG_FILE;
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}
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void Cross::CreatePlatformConfigDir(std::string& in) {
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#ifdef WIN32
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W32_ConfDir(in,true);
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in += "\\DOSBox";
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mkdir(in.c_str());
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#elif defined(MACOSX)
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in = "~/Library/Preferences";
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ResolveHomedir(in);
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//Don't create it. Assume it exists
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#elif defined(HW_RVL)
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in = std::string(appDrive) + "/DOSBox";
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CreateDir(in);
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#else
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in = "~/.dosbox";
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ResolveHomedir(in);
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mkdir(in.c_str(),0700);
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#endif
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in += CROSS_FILESPLIT;
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}
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void Cross::ResolveHomedir(std::string & temp_line) {
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if(!temp_line.size() || temp_line[0] != '~') return; //No ~
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if(temp_line.size() == 1 || temp_line[1] == CROSS_FILESPLIT) { //The ~ and ~/ variant
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char * home = getenv("HOME");
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if(home) temp_line.replace(0,1,std::string(home));
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#if defined HAVE_SYS_TYPES_H && defined HAVE_PWD_H
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} else { // The ~username variant
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std::string::size_type namelen = temp_line.find(CROSS_FILESPLIT);
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if(namelen == std::string::npos) namelen = temp_line.size();
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std::string username = temp_line.substr(1,namelen - 1);
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struct passwd* pass = getpwnam(username.c_str());
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if(pass) temp_line.replace(0,namelen,pass->pw_dir); //namelen -1 +1(for the ~)
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#endif // USERNAME lookup code
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}
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}
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void Cross::CreateDir(std::string const& in) {
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#ifdef WIN32
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mkdir(in.c_str());
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#else
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mkdir(in.c_str(),0700);
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#endif
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}
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bool Cross::IsPathAbsolute(std::string const& in) {
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// Absolute paths
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#if defined (WIN32) || defined(OS2)
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// drive letter
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if (in.size() > 2 && in[1] == ':' ) return true;
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// UNC path
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else if (in.size() > 2 && in[0]=='\\' && in[1]=='\\') return true;
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#elif defined (HW_RVL)
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if (in.size() > 3 &&
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in[0] == 's' &&
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in[1] == 'd' &&
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in[2] == ':')
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return true;
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else if (in.size() > 5 &&
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in[0] == 'u' &&
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in[1] == 's' &&
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in[2] == 'b' &&
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in[4] == ':' )
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return true;
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#else
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if (in.size() > 1 && in[0] == '/' ) return true;
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#endif
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return false;
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}
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#if defined (WIN32)
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dir_information* open_directory(const char* dirname) {
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if (dirname == NULL) return NULL;
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size_t len = strlen(dirname);
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if (len == 0) return NULL;
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static dir_information dir;
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safe_strncpy(dir.base_path,dirname,MAX_PATH);
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if (dirname[len-1] == '\\') strcat(dir.base_path,"*.*");
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else strcat(dir.base_path,"\\*.*");
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dir.handle = INVALID_HANDLE_VALUE;
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return (access(dirname,0) ? NULL : &dir);
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}
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bool read_directory_first(dir_information* dirp, char* entry_name, bool& is_directory) {
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if (!dirp) return false;
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dirp->handle = FindFirstFile(dirp->base_path, &dirp->search_data);
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if (INVALID_HANDLE_VALUE == dirp->handle) {
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return false;
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}
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safe_strncpy(entry_name,dirp->search_data.cFileName,(MAX_PATH<CROSS_LEN)?MAX_PATH:CROSS_LEN);
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if (dirp->search_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) is_directory = true;
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else is_directory = false;
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return true;
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}
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bool read_directory_next(dir_information* dirp, char* entry_name, bool& is_directory) {
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if (!dirp) return false;
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int result = FindNextFile(dirp->handle, &dirp->search_data);
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if (result==0) return false;
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safe_strncpy(entry_name,dirp->search_data.cFileName,(MAX_PATH<CROSS_LEN)?MAX_PATH:CROSS_LEN);
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if (dirp->search_data.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) is_directory = true;
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else is_directory = false;
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return true;
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}
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void close_directory(dir_information* dirp) {
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if (dirp && dirp->handle != INVALID_HANDLE_VALUE) {
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FindClose(dirp->handle);
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dirp->handle = INVALID_HANDLE_VALUE;
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}
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}
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#else
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dir_information* open_directory(const char* dirname) {
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static dir_information dir;
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dir.dir=opendir(dirname);
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safe_strncpy(dir.base_path,dirname,CROSS_LEN);
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return dir.dir?&dir:NULL;
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}
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bool read_directory_first(dir_information* dirp, char* entry_name, bool& is_directory) {
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if (!dirp) return false;
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return read_directory_next(dirp,entry_name,is_directory);
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}
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bool read_directory_next(dir_information* dirp, char* entry_name, bool& is_directory) {
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if (!dirp) return false;
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struct dirent* dentry = readdir(dirp->dir);
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if (dentry==NULL) {
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return false;
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}
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// safe_strncpy(entry_name,dentry->d_name,(FILENAME_MAX<MAX_PATH)?FILENAME_MAX:MAX_PATH); // [include stdio.h], maybe pathconf()
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safe_strncpy(entry_name,dentry->d_name,CROSS_LEN);
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#ifdef DIRENT_HAS_D_TYPE
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if(dentry->d_type == DT_DIR) {
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is_directory = true;
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return true;
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} else if(dentry->d_type == DT_REG) {
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is_directory = false;
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return true;
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}
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#endif
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//Maybe only for DT_UNKNOWN if DIRENT_HAD_D_TYPE..
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static char buffer[2 * CROSS_LEN + 1] = { 0 };
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static char split[2] = { CROSS_FILESPLIT , 0 };
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buffer[0] = 0;
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strcpy(buffer,dirp->base_path);
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size_t buflen = strlen(buffer);
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if (buflen && buffer[buflen - 1] != CROSS_FILESPLIT ) strcat(buffer, split);
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strcat(buffer,entry_name);
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struct stat status;
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if (stat(buffer,&status) == 0) is_directory = (S_ISDIR(status.st_mode)>0);
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else is_directory = false;
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return true;
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}
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void close_directory(dir_information* dirp) {
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if (dirp) closedir(dirp->dir);
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}
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#endif
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FILE *fopen_wrap(const char *path, const char *mode) {
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#if defined(WIN32) || defined(OS2)
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;
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#elif defined (MACOSX)
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;
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#else
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#if defined (HAVE_REALPATH)
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char work[CROSS_LEN] = {0};
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strncpy(work,path,CROSS_LEN-1);
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char* last = strrchr(work,'/');
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if (last) {
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if (last != work) {
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*last = 0;
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//If this compare fails, then we are dealing with files in /
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//Which is outside the scope, but test anyway.
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//However as realpath only works for exising files. The testing is
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//in that case not done against new files.
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}
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char* check = realpath(work,NULL);
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if (check) {
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if ( ( strlen(check) == 5 && strcmp(check,"/proc") == 0) || strncmp(check,"/proc/",6) == 0) {
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// LOG_MSG("lst hit %s blocking!",path);
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free(check);
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return NULL;
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}
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free(check);
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}
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}
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#if 0
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//Lightweight version, but then existing files can still be read, which is not ideal
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if (strpbrk(mode,"aw+") != NULL) {
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LOG_MSG("pbrk ok");
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char* check = realpath(path,NULL);
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//Will be null if file doesn't exist.... ENOENT
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//TODO What about unlink /proc/self/mem and then create it ?
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//Should be safe for what we want..
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if (check) {
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if (strncmp(check,"/proc/",6) == 0) {
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free(check);
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return NULL;
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}
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free(check);
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}
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}
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*/
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#endif //0
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#endif //HAVE_REALPATH
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#endif
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return fopen(path,mode);
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}
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