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- /* SLiM - Simple Login Manager
- Copyright (C) 2004-06 Simone Rota <sip@varlock.com>
- Copyright (C) 2004-06 Johannes Winkelmann <jw@tks6.net>
- This program 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.
- */
- #include <fstream>
- #include <string>
- #include <iostream>
- #include <unistd.h>
- #include <stdlib.h>
- #include <sys/types.h>
- #include <sys/stat.h>
- #include <dirent.h>
- #include "cfg.h"
- using namespace std;
- typedef pair<string,string> option;
- Cfg::Cfg()
- : currentSession(-1)
- {
- // Configuration options
- options.insert(option("default_path","/bin:/usr/bin:/usr/local/bin"));
- options.insert(option("default_xserver","/usr/bin/X"));
- options.insert(option("xserver_arguments",""));
- options.insert(option("numlock",""));
- options.insert(option("daemon",""));
- options.insert(option("xauth_path","/usr/bin/xauth"));
- options.insert(option("login_cmd","exec /bin/bash -login ~/.xinitrc %session"));
- options.insert(option("halt_cmd","/sbin/shutdown -h now"));
- options.insert(option("reboot_cmd","/sbin/shutdown -r now"));
- options.insert(option("suspend_cmd",""));
- options.insert(option("sessionstart_cmd",""));
- options.insert(option("sessionstop_cmd",""));
- options.insert(option("console_cmd","/usr/bin/xterm -C -fg white -bg black +sb -g %dx%d+%d+%d -fn %dx%d -T ""Console login"" -e /bin/sh -c ""/bin/cat /etc/issue; exec /bin/login"""));
- options.insert(option("screenshot_cmd","import -window root /slim.png"));
- options.insert(option("welcome_msg","Welcome to %host"));
- options.insert(option("session_msg","Session:"));
- options.insert(option("default_user",""));
- options.insert(option("focus_password","no"));
- options.insert(option("auto_login","no"));
- options.insert(option("current_theme","default"));
- options.insert(option("lockfile","/var/run/slim.lock"));
- options.insert(option("logfile","/var/log/slim.log"));
- options.insert(option("authfile","/var/run/slim.auth"));
- options.insert(option("shutdown_msg","The system is halting..."));
- options.insert(option("reboot_msg","The system is rebooting..."));
- options.insert(option("sessions","wmaker,blackbox,icewm"));
- options.insert(option("sessiondir",""));
- options.insert(option("hidecursor","false"));
- // Theme stuff
- options.insert(option("input_panel_x","50%"));
- options.insert(option("input_panel_y","40%"));
- options.insert(option("input_name_x","200"));
- options.insert(option("input_name_y","154"));
- options.insert(option("input_pass_x","-1")); // default is single inputbox
- options.insert(option("input_pass_y","-1"));
- options.insert(option("input_font","Verdana:size=11"));
- options.insert(option("input_color", "#000000"));
- options.insert(option("input_cursor_height","20"));
- options.insert(option("input_maxlength_name","20"));
- options.insert(option("input_maxlength_passwd","20"));
- options.insert(option("input_shadow_xoffset", "0"));
- options.insert(option("input_shadow_yoffset", "0"));
- options.insert(option("input_shadow_color","#FFFFFF"));
- options.insert(option("welcome_font","Verdana:size=14"));
- options.insert(option("welcome_color","#FFFFFF"));
- options.insert(option("welcome_x","-1"));
- options.insert(option("welcome_y","-1"));
- options.insert(option("welcome_shadow_xoffset", "0"));
- options.insert(option("welcome_shadow_yoffset", "0"));
- options.insert(option("welcome_shadow_color","#FFFFFF"));
- options.insert(option("intro_msg",""));
- options.insert(option("intro_font","Verdana:size=14"));
- options.insert(option("intro_color","#FFFFFF"));
- options.insert(option("intro_x","-1"));
- options.insert(option("intro_y","-1"));
- options.insert(option("background_style","stretch"));
- options.insert(option("background_color","#CCCCCC"));
- options.insert(option("username_font","Verdana:size=12"));
- options.insert(option("username_color","#FFFFFF"));
- options.insert(option("username_x","-1"));
- options.insert(option("username_y","-1"));
- options.insert(option("username_msg","Please enter your username"));
- options.insert(option("username_shadow_xoffset", "0"));
- options.insert(option("username_shadow_yoffset", "0"));
- options.insert(option("username_shadow_color","#FFFFFF"));
- options.insert(option("password_x","-1"));
- options.insert(option("password_y","-1"));
- options.insert(option("password_msg","Please enter your password"));
- options.insert(option("msg_color","#FFFFFF"));
- options.insert(option("msg_font","Verdana:size=16:bold"));
- options.insert(option("msg_x","40"));
- options.insert(option("msg_y","40"));
- options.insert(option("msg_shadow_xoffset", "0"));
- options.insert(option("msg_shadow_yoffset", "0"));
- options.insert(option("msg_shadow_color","#FFFFFF"));
-
- options.insert(option("session_color","#FFFFFF"));
- options.insert(option("session_font","Verdana:size=16:bold"));
- options.insert(option("session_x","50%"));
- options.insert(option("session_y","90%"));
- options.insert(option("session_shadow_xoffset", "0"));
- options.insert(option("session_shadow_yoffset", "0"));
- options.insert(option("session_shadow_color","#FFFFFF"));
- error = "";
- }
- Cfg::~Cfg() {
- options.clear();
- }
- /*
- * Creates the Cfg object and parses
- * known options from the given configfile / themefile
- */
- bool Cfg::readConf(string configfile) {
- int n = -1;
- string line, fn(configfile);
- map<string,string>::iterator it;
- string op;
- ifstream cfgfile( fn.c_str() );
- if (cfgfile) {
- while (getline( cfgfile, line )) {
- it = options.begin();
- while (it != options.end()) {
- op = it->first;
- n = line.find(op);
- if (n == 0)
- options[op] = parseOption(line, op);
- it++;
- }
- }
- cfgfile.close();
- fillSessionList();
- return true;
- } else {
- error = "Cannot read configuration file: " + configfile;
- return false;
- }
- }
- /* Returns the option value, trimmed */
- string Cfg::parseOption(string line, string option ) {
- return Trim( line.substr(option.size(), line.size() - option.size()));
- }
- const string& Cfg::getError() const {
- return error;
- }
- string& Cfg::getOption(string option) {
- return options[option];
- }
- /* return a trimmed string */
- string Cfg::Trim( const string& s ) {
- if ( s.empty() ) {
- return s;
- }
- int pos = 0;
- string line = s;
- int len = line.length();
- while ( pos < len && isspace( line[pos] ) ) {
- ++pos;
- }
- line.erase( 0, pos );
- pos = line.length()-1;
- while ( pos > -1 && isspace( line[pos] ) ) {
- --pos;
- }
- if ( pos != -1 ) {
- line.erase( pos+1 );
- }
- return line;
- }
- /* Return the welcome message with replaced vars */
- string Cfg::getWelcomeMessage(){
- string s = getOption("welcome_msg");
- int n = -1;
- n = s.find("%host");
- if (n >= 0) {
- string tmp = s.substr(0, n);
- char host[40];
- gethostname(host,40);
- tmp = tmp + host;
- tmp = tmp + s.substr(n+5, s.size() - n);
- s = tmp;
- }
- n = s.find("%domain");
- if (n >= 0) {
- string tmp = s.substr(0, n);;
- char domain[40];
- getdomainname(domain,40);
- tmp = tmp + domain;
- tmp = tmp + s.substr(n+7, s.size() - n);
- s = tmp;
- }
- return s;
- }
- int Cfg::string2int(const char* string, bool* ok) {
- char* err = 0;
- int l = (int)strtol(string, &err, 10);
- if (ok) {
- *ok = (*err == 0);
- }
- return (*err == 0) ? l : 0;
- }
- // Get absolute position
- int Cfg::absolutepos(const string& position, int max, int width) {
- int n = -1;
- n = position.find("%");
- if (n>0) { // X Position expressed in percentage
- int result = (max*string2int(position.substr(0, n).c_str())/100) - (width / 2);
- return result < 0 ? 0 : result ;
- } else { // Absolute X position
- return string2int(position.c_str());
- }
- }
- // split a comma separated string into a vector of strings
- void Cfg::split(vector<string>& v, const string& str, char c, bool useEmpty) {
- v.clear();
- string::const_iterator s = str.begin();
- string tmp;
- while (true) {
- string::const_iterator begin = s;
- while (*s != c && s != str.end()) { ++s; }
- tmp = string(begin, s);
- if (useEmpty || tmp.size() > 0)
- v.push_back(tmp);
- if (s == str.end()) {
- break;
- }
- if (++s == str.end()) {
- if (useEmpty)
- v.push_back("");
- break;
- }
- }
- }
- void Cfg::fillSessionList(){
- string strSessionList = getOption("sessions");
- string strSessionDir = getOption("sessiondir");
- sessions.clear();
- if( !strSessionDir.empty() ) {
- DIR *pDir = opendir(strSessionDir.c_str());
- if (pDir != NULL) {
- struct dirent *pDirent = NULL;
- while ((pDirent = readdir(pDir)) != NULL) {
- string strFile(strSessionDir);
- strFile += "/";
- strFile += pDirent->d_name;
- struct stat oFileStat;
- if (stat(strFile.c_str( ), &oFileStat) == 0){
- if (S_ISREG(oFileStat.st_mode) &&
- access(strFile.c_str(), R_OK | X_OK) == 0){
- sessions.push_back(string(pDirent->d_name));
- }
- }
- }
- closedir(pDir);
- }
- }
- if (sessions.empty()){
- split(sessions, strSessionList, ',', false);
- }
- }
- string Cfg::nextSession(string current) {
- if (sessions.size() < 1)
- return current;
- currentSession = (currentSession + 1) % sessions.size();
- return sessions[currentSession];
- }
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