http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/wvstreams/unipermgen.h

/* -*- Mode: C++ -*- * Worldvisions Weaver Software: * Copyright (C) 1997-2002 Net Integration Technologies, Inc. * */ #ifndef __UNIPERMGEN_H #define __UNIPERMGEN_H #include "unifiltergen.h" #include "wvstringtable.h" /** * UniPermGen wraps a tree encoding Unix-style permissions, and provides an * API for setting and checking them. read permission allows you to read the * value of a key, write allows you to set it (duh). exec allows you to get * subkeys. You cannot iterate on a key unless you have exec permission. * (This is badly named, but it's inherited from Unix.) * * Permissions for 'key' are stored in the subkeys key/owner, key/group, * and key/user-read through key/world-write. owner and group store arbitrary * text strings, and the remainder are boolean values. * * If you want to use monikers, UniPermGen can only be via UniSecureGen (see * unisecuregen.h) since it provides its own API beyond just UniConfGen. */ class UniPermGen : public UniFilterGen { public: UniPermGen(IUniConfGen *_gen); UniPermGen(WvStringParm moniker); enum Level { USER = 0, GROUP, WORLD }; static WvString level2str(Level l); enum Type { READ = 0, WRITE, EXEC }; static WvString type2str(Type t); struct Credentials { WvString user; mutable WvStringTable groups; // mutable because stupid WvHashTable has no const lookup methods Credentials() : groups(7) { } }; /** get and set the owner for a path */ void setowner(const UniConfKey &path, WvStringParm owner); WvString getowner(const UniConfKey &path); /** get and set the group for a path */ void setgroup(const UniConfKey &path, WvStringParm group); WvString getgroup(const UniConfKey &path); /** * Return true if a user with the given credentials is allowed to * read/write/exec the given path. */ bool getread(const UniConfKey &path, const Credentials &cred) { return getperm(path, cred, READ); } bool getwrite(const UniConfKey &path, const Credentials &cred) { return getperm(path, cred, WRITE); } bool getexec(const UniConfKey &path, const Credentials &cred) { return getperm(path, cred, EXEC); } bool getperm(const UniConfKey &path, const Credentials &cred, Type type); void setread(const UniConfKey &path, Level level, bool read) { setperm(path, level, READ, read); } void setwrite(const UniConfKey &path, Level level, bool write) { setperm(path, level, WRITE, write); } void setexec(const UniConfKey &path, Level level, bool exec) { setperm(path, level, EXEC, exec); } void setperm(const UniConfKey &path, Level level, Type type, bool val); /** * Set permissions for path using Unix style chmod (with the second form, * be sure to use octal) */ void chmod(const UniConfKey &path, unsigned int owner, unsigned int group, unsigned int world); void chmod(const UniConfKey &path, unsigned int mode); virtual void flush_buffers() { } private: bool getoneperm(const UniConfKey &path, Level level, Type type); }; #endif // __UNIPERMGEN_H