Diffstat (limited to 'noncore/settings/usermanager/passwd.cpp') (more/less context) (ignore whitespace changes)
| -rw-r--r-- | noncore/settings/usermanager/passwd.cpp | 271 |
1 files changed, 271 insertions, 0 deletions
diff --git a/noncore/settings/usermanager/passwd.cpp b/noncore/settings/usermanager/passwd.cpp new file mode 100644 index 0000000..310cef8 --- a/dev/null +++ b/noncore/settings/usermanager/passwd.cpp @@ -0,0 +1,271 @@ +/*************************************************************************** + * * + * 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 "passwd.h" + +// Needed for crypt_make_salt(); +#include <sys/types.h> +#include <unistd.h> +#include <time.h> + +Passwd::Passwd() { +} + +Passwd::~Passwd() { +} + +// This function is taken from 'busybox'. +int Passwd::i64c(int i) +{ + if (i <= 0) + return ('.'); + if (i == 1) + return ('/'); + if (i >= 2 && i < 12) + return ('0' - 2 + i); + if (i >= 12 && i < 38) + return ('A' - 12 + i); + if (i >= 38 && i < 63) + return ('a' - 38 + i); + return ('z'); +} + +// This function is taken from 'busybox'. +char *Passwd::crypt_make_salt() { + time_t now; + static unsigned long x; + static char result[3]; + + time(&now); + x += now + getpid() + clock(); + result[0] = i64c(((x >> 18) ^ (x >> 6)) & 077); + result[1] = i64c(((x >> 12) ^ x) & 077); + result[2] = '\0'; + return result; +} + +bool Passwd::open() { + int returnvalue=false; + + QFile passwd_file("/etc/passwd"); + QFile group_file("/etc/group"); + passwdStringList.clear(); + groupStringList.clear(); + if((passwd_file.open(IO_ReadOnly))) { + if((group_file.open(IO_ReadOnly))) { + QTextStream ts_passwd(&passwd_file); + while(!(ts_passwd.eof())) { + passwdStringList << ts_passwd.readLine(); + } + QTextStream ts_group(&group_file); + while(!(ts_group.eof())) { + groupStringList << ts_group.readLine(); + } + returnvalue=true; + group_file.close(); + } + passwd_file.close(); + } + return returnvalue; +} + +bool Passwd::close() { + int returnvalue=false; + QFile passwd_file("/etc/passwd"); + QFile group_file("/etc/group"); + if((passwd_file.open(IO_WriteOnly))) { + if((group_file.open(IO_WriteOnly))) { + QTextStream ts_passwd(&passwd_file); + for(QStringList::Iterator it=passwdStringList.begin(); it!=passwdStringList.end(); ++it) { + ts_passwd << (*it) + "\n"; + } + QTextStream ts_group(&group_file); + for(QStringList::Iterator it=groupStringList.begin(); it!=groupStringList.end(); ++it) { + ts_group << (*it) + "\n"; + } + returnvalue=true; + group_file.close(); + } + passwd_file.close(); + } + return returnvalue; +} + +void Passwd::splitPasswdEntry(QString &userString) { + userdataStringList=QStringList::split(":",userString,true); + QStringList::Iterator it=userdataStringList.begin(); + pw_name=(*it++); + pw_passwd=(*it++); + pw_uid=(*it++).toInt(); + pw_gid=(*it++).toInt(); + pw_gecos=(*it++); + pw_dir=(*it++); + pw_shell=(*it++); +} + +void Passwd::splitGroupEntry(QString &groupString) { + groupdataStringList=QStringList::split(":",groupString,true); + QStringList::Iterator it=groupdataStringList.begin(); + gr_name=(*it++); + it++; + gr_gid=(*it++).toInt(); + gr_mem=QStringList::split(" ",(*it++)); +} + +bool Passwd::searchUser(QRegExp &userRegExp) { + QStringList tempStringList(passwdStringList.grep(userRegExp)); + if((tempStringList.isEmpty())) { + return false; + } else { + userString=(*(tempStringList.begin())); + splitPasswdEntry(userString); + } + return true; +} + +bool Passwd::findUser(const char *username) { + QRegExp userRegExp(QString("^%1\\:").arg(username)); + return searchUser(userRegExp); +} + +bool Passwd::findUser(int uid) { + QRegExp userRegExp(QString(":%1\\:").arg(uid)); + return searchUser(userRegExp); +} + +bool Passwd::addUser(QString pw_name, QString pw_passwd, int pw_uid, int pw_gid, QString pw_gecos,QString pw_dir, QString pw_shell, bool createGroup=true) { + QString tempString; + if((createGroup) && (!(findGroup(pw_gid)))) addGroup(pw_name,pw_gid); + pw_passwd = crypt(pw_passwd, crypt_make_salt()); + tempString=pw_name+":"+pw_passwd+":"+QString::number(pw_uid)+":"+QString::number(pw_gid)+":"+pw_gecos+":"+pw_dir+":"+pw_shell; + passwdStringList.append(tempString); + // Make home dir. + QDir d; + if(!(d.exists(pw_dir))) { + d.mkdir(pw_dir); + } + return 1; +} + +bool Passwd::updateUser(QString login) { + QRegExp userRegExp(QString("^%1\\:").arg(login)); + for(QStringList::Iterator it=passwdStringList.begin(); it!=passwdStringList.end(); ++it) { + if(userRegExp.find((*it),0)!=-1) { + *it=QString(pw_name+":"+pw_passwd+":"+QString::number(pw_uid)+":"+QString::number(pw_gid)+":"+pw_gecos+":"+pw_dir+":"+pw_shell); + return true; + } + } + return false; +} + +bool Passwd::deleteUser(QRegExp &userRegExp, bool delGroup) { + for(QStringList::Iterator it=passwdStringList.begin(); it!=passwdStringList.end(); ++it) { + if(userRegExp.find((*it),0)!=-1) { + splitPasswdEntry(*it); + if(delGroup) this->delGroup(pw_gid); + passwdStringList.remove(it); + return true; + } + } + return false; +} + +bool Passwd::delUser(const char *username, bool delGroup) { + QRegExp userRegExp(QString("^%1\\:").arg(username)); + return deleteUser(userRegExp,delGroup); +} + +bool Passwd::delUser(int uid, bool delGroup) { + QRegExp userRegExp(QString(":%1\\:").arg(uid)); + return deleteUser(userRegExp,delGroup); +} + +bool Passwd::searchGroup(QRegExp &groupRegExp) { + QStringList tempStringList(groupStringList.grep(groupRegExp)); + if((tempStringList.isEmpty())) { + return false; + } else { + groupString=(*(tempStringList.begin())); + splitGroupEntry(groupString); + } + return true; +} + +bool Passwd::findGroup(const char *groupname) { + QRegExp groupRegExp(QString("^%1\\:").arg(groupname)); + return searchGroup(groupRegExp); +} + +bool Passwd::findGroup(int gid) { + QRegExp groupRegExp(QString(":%1\\:").arg(gid)); + return searchGroup(groupRegExp); +} + +bool Passwd::addGroup(QString gr_name, int gr_gid) { + QString tempString; + tempString=gr_name+":*:"+QString::number(gr_gid)+":"; + groupStringList.append(tempString); + return 1; +} + +bool Passwd::updateGroup(int gid) { + QRegExp groupRegExp(QString(":%1\\:").arg(QString::number(gid))); + for(QStringList::Iterator it=groupStringList.begin(); it!=groupStringList.end(); ++it) { + if(groupRegExp.find((*it),0)!=-1) { + *it=QString(gr_name+":*:"+QString::number(gr_gid)+":"); + for(QStringList::Iterator member=gr_mem.begin(); member!=gr_mem.end(); ++member) { + *it+=*member; + *it+=" "; + } + return true; + } + } + return false; +} + +bool Passwd::deleteGroup(QRegExp &groupRegExp) { + for(QStringList::Iterator it=groupStringList.begin(); it!=groupStringList.end(); ++it) { + if(groupRegExp.find((*it),0)!=-1) { + groupStringList.remove(it); + return true; + } + } + return false; +} + +bool Passwd::delGroup(const char *groupname) { + QRegExp groupRegExp(QString("^%1\\:").arg(groupname)); + return deleteGroup(groupRegExp); +} + +bool Passwd::delGroup(int gid) { + QRegExp groupRegExp(QString(":%1\\:").arg(gid)); + return deleteGroup(groupRegExp); +} + +bool Passwd::addGroupMember(QString groupname, QString member) { + if(!(findGroup(groupname))) return false; + gr_mem << member; + if(!(updateGroup(gr_gid))) return false; + return true; +} + +bool Passwd::delGroupMember(QString groupname, QString member) { + if(!(findGroup(groupname))) return false; + for(QStringList::Iterator it=gr_mem.begin(); it!=gr_mem.end(); ++it) { + if(*it==member) { + gr_mem.remove(it); + it=gr_mem.end(); + } + } + if(!(updateGroup(gr_gid))) return false; + return true; +} + +Passwd *accounts; |