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authortoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
committertoma <toma@283d02a7-25f6-0310-bc7c-ecb5cbfe19da>2009-11-25 17:56:58 +0000
commitce4a32fe52ef09d8f5ff1dd22c001110902b60a2 (patch)
tree5ac38a06f3dde268dc7927dc155896926aaf7012 /kdecore/kuser.h
downloadtdelibs-ce4a32fe52ef09d8f5ff1dd22c001110902b60a2.tar.gz
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Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features.
BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdelibs@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da
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+/*
+ * KUser - represent a user/account
+ * Copyright (C) 2002-2003 Tim Jansen <tim@tjansen.de>
+ * Copyright (C) 2003 Oswald Buddenhagen <ossi@kde.org>
+ * Copyright (C) 2004 Jan Schaefer <j_schaef@informatik.uni-kl.de>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public License
+ * along with this library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+#ifndef KUSER_H
+#define KUSER_H
+
+#include "ksharedptr.h"
+
+class KUserGroup;
+class QString;
+class QStringList;
+class KUserPrivate;
+struct passwd;
+template <class T> class QValueList;
+
+/**
+ * @short Represents a user on your system
+ *
+ * This class represents a user on your system. You can either get
+ * information about the current user, of fetch information about
+ * a user on the system. Instances of this class will be explicitly shared,
+ * so copying objects is very cheap and you can safely pass objects by value.
+ *
+ * @author Tim Jansen <tim@tjansen.de>
+ * @since 3.2
+ */
+class KDECORE_EXPORT KUser {
+
+public:
+
+ enum UIDMode {
+ UseEffectiveUID, ///< Use the effective user id.
+ UseRealUserID ///< Use the real user id.
+ };
+
+ /**
+ * Creates an object that contains information about the current user.
+ * (as returned by getuid(2) or geteuid(2), taking $LOGNAME/$USER into
+ * account).
+ * @param mode if #UseEffectiveUID is passed the effective
+ * user is returned.
+ * If #UseRealUserID is passed the real user will be
+ * returned.
+ * The real UID will be different than the effective UID in setuid
+ * programs; in
+ * such a case use the effective UID for checking permissions, and
+ * the real UID for displaying information about the user.
+ */
+ // XXX KDE4: Make this explicit
+ KUser(UIDMode mode = UseEffectiveUID);
+
+ /**
+ * Creates an object for the user with the given user id.
+ * If the user does not exist isValid() will return false.
+ * @param uid the user id
+ */
+ // XXX KDE4: Make this explicit; give parameter as uid_t instead of "long"
+ KUser(long uid);
+
+ /**
+ * Creates an object that contains information about the user with the given
+ * name. If the user does not exist isValid() will return false.
+ *
+ * @param name the name of the user
+ */
+ // XXX KDE4: Make this explicit
+ KUser(const QString& name);
+
+ /**
+ * Creates an object that contains information about the user with the given
+ * name. If the user does not exist isValid() will return false.
+ *
+ * @param name the name of the user
+ */
+ // XXX KDE4: Make this explicit
+ KUser(const char *name);
+
+ /**
+ * Creates an object from a passwd structure.
+ * If the pointer is null isValid() will return false.
+ *
+ * @param p the passwd structure to create the user from
+ */
+ // XXX KDE4: Make this explicit
+ KUser(struct passwd *p);
+
+ /**
+ * Creates an object from another KUser object
+ * @param user the user to create the new object from
+ */
+ KUser(const KUser & user);
+
+ /**
+ * Copies a user
+ * @param user the user to copy
+ * @return this object
+ */
+ KUser& operator =(const KUser& user);
+
+ /**
+ * Two KUser objects are equal if isValid() is true
+ * and the uid() are identical.
+ */
+ bool operator ==(const KUser& user) const;
+
+ /**
+ * Two KUser objects are not equal if either isValid() is
+ * not true or uid() are not identical.
+ */
+ bool operator !=(const KUser &user) const;
+
+ /**
+ * Returns true if the user is valid. A KUser object can be invalid if
+ * you created it with an non-existing uid or name.
+ * @return true if the user is valid
+ */
+ bool isValid() const;
+
+ /**
+ * Returns the user id of the user.
+ * @return the id of the user or -1 if user is invalid
+ */
+ // XXX KDE4: Make this return uid_t
+ long uid() const;
+
+
+ /**
+ * Returns the group id of the user.
+ * @return the id of the group or -1 if user is invalid
+ */
+ // XXX KDE4: Make this return gid_t
+ long gid() const;
+
+ /**
+ * Checks whether the user it the super user (root).
+ * @return true if the user is root
+ */
+ bool isSuperUser() const;
+
+ /**
+ * The login name of the user.
+ * @return the login name of the user or QString::null if user is invalid
+ */
+ QString loginName() const;
+
+ /**
+ * The full name of the user.
+ * @return the full name of the user or QString::null if user is invalid
+ */
+ QString fullName() const;
+
+ /**
+ * The user's room number.
+ * @return the room number of the user or QString::null if not set or the
+ * user is invalid
+ */
+ QString roomNumber() const;
+
+ /**
+ * The user's work phone.
+ * @return the work phone of the user or QString::null if not set or the
+ * user is invalid
+ */
+ QString workPhone() const;
+
+ /**
+ * The user's home phone.
+ * @return the home phone of the user or QString::null if not set or the
+ * user is invalid
+ */
+ QString homePhone() const;
+
+ /**
+ * The path to the user's home directory.
+ * @return the home directory of the user or QString::null if the
+ * user is invalid
+ */
+ QString homeDir() const;
+
+ /**
+ * The path to the user's login shell.
+ * @return the login shell of the user or QString::null if the
+ * user is invalid
+ */
+ QString shell() const;
+
+ /**
+ * Returns all groups of the user
+ * @return all groups of the user
+ */
+ QValueList<KUserGroup> groups() const;
+
+ /**
+ * Returns all group names of the user
+ * @return all group names of the user
+ */
+ QStringList groupNames() const;
+
+
+ /**
+ * Destructor.
+ */
+ ~KUser();
+
+ /**
+ * Returns all users of the system.
+ * @return all users of the system.
+ */
+ static QValueList<KUser> allUsers();
+
+ /**
+ * Returns all user names of the system.
+ * @return all user names of the system.
+ */
+ static QStringList allUserNames();
+
+private:
+ KSharedPtr<KUserPrivate> d;
+ void fillPasswd(struct passwd* p);
+ void fillName(const char* name);
+};
+
+class KUserGroupPrivate;
+
+struct group;
+
+/**
+ * @short Represents a group on your system
+ *
+ * This class represents a group on your system. You can either get
+ * information about the group of the current user, of fetch information about
+ * a group on the system. Instances of this class will be explicitly shared,
+ * so copying objects is very cheap and you can safely pass objects by value.
+ *
+ * @author Jan Schaefer <j_schaef@informatik.uni-kl.de>
+ * @since 3.3
+ */
+class KDECORE_EXPORT KUserGroup {
+
+public:
+
+ /**
+ * Create an object from the group of the current user.
+ * @param mode if #KUser::UseEffectiveUID is passed the effective user
+ * will be used. If #KUser::UseRealUserID is passed the real user
+ * will be used.
+ * The real UID will be different than the effective UID in setuid
+ * programs; in such a case use the effective UID for checking
+ * permissions, and the real UID for displaying information about
+ * the group associated with the user.
+ */
+ explicit KUserGroup(KUser::UIDMode mode = KUser::UseEffectiveUID);
+
+ /**
+ * Create an object from a group id.
+ * If the group does not exist, isValid() will return false.
+ * @param gid the group id
+ */
+ // XXX KDE4: Give parameter as gid_t instead of "long"
+ explicit KUserGroup(long gid);
+
+ /**
+ * Create an object from a group name.
+ * If the group does not exist, isValid() will return false.
+ * @param name the name of the group
+ */
+ explicit KUserGroup(const QString& name);
+
+ /**
+ * Create an object from a group name.
+ * If the group does not exist, isValid() will return false.
+ * @param name the name of the group
+ */
+ explicit KUserGroup(const char *name);
+
+ /**
+ * Creates an object from a group structure.
+ * If the pointer is null, isValid() will return false.
+ * @param g the group structure to create the group from.
+ */
+ explicit KUserGroup(struct group *g);
+
+ /**
+ * Creates a new KUserGroup instance from another KUserGroup object
+ * @param group the KUserGroup to copy
+ */
+ KUserGroup(const KUserGroup & group);
+
+ /**
+ * Copies a group
+ * @param group the group that should be copied
+ * @return this group
+ */
+ KUserGroup& operator =(const KUserGroup& group);
+
+ /**
+ * Two KUserGroup objects are equal if isValid() is true
+ * and gid() are identical
+ * @return true if the groups are identical
+ */
+ bool operator ==(const KUserGroup& group) const;
+
+ /**
+ * Two KUserGroup objects are not equal if either
+ * isValid() is not true or gid() are not identical
+ * @return true if the groups are not identical
+ */
+ bool operator !=(const KUserGroup& group) const;
+
+ /**
+ * Returns wether the group is valid.
+ * A KUserGroup object can be invalid if it is
+ * created with a non-existing gid or name.
+ * @return true if the group is valid
+ */
+ bool isValid() const;
+
+ /**
+ * Returns the group id of the group.
+ * @return the group id of the group or -1 if the group is invalid
+ */
+ // XXX KDE4: Return gid_t instead of "long"
+ long gid() const;
+
+ /**
+ * The name of the group.
+ * @return the name of the group
+ */
+ QString name() const;
+
+ /**
+ * Returns a list of all users of the group.
+ * @return a list of all users of the group
+ */
+ const QValueList<KUser>& users() const;
+
+ /**
+ * Returns a list of all user login names of the group.
+ * @return a list of all user login names of the group
+ */
+ QStringList userNames() const;
+
+
+ /**
+ * Destructor.
+ */
+ ~KUserGroup();
+
+ /**
+ * Returns a list of all groups on this system
+ */
+ static QValueList<KUserGroup> allGroups();
+
+ /**
+ * Returns a list of all group names on this system
+ */
+ static QStringList allGroupNames();
+
+private:
+ KSharedPtr<KUserGroupPrivate> d;
+ void fillGroup(struct group* g);
+ void fillName(const char* name);
+};
+
+
+#endif