144 lines
4.4 KiB
C++
144 lines
4.4 KiB
C++
/* pwdgrp.h
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Copyright 2001, 2002, 2003, 2014 Red Hat inc.
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Stuff common to pwd and grp handling.
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This file is part of Cygwin.
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This software is a copyrighted work licensed under the terms of the
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Cygwin license. Please consult the file "CYGWIN_LICENSE" for
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details. */
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#pragma once
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/* These functions are needed to allow searching and walking through
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the passwd and group lists */
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extern struct passwd *internal_getpwsid (cygpsid &);
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extern struct passwd *internal_getpwnam (const char *);
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extern struct passwd *internal_getpwuid (uid_t);
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extern struct group *internal_getgrsid (cygpsid &);
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extern struct group *internal_getgrgid (gid_t);
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extern struct group *internal_getgrnam (const char *);
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int internal_getgroups (int, gid_t *, cygpsid * = NULL);
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#include "sync.h"
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enum fetch_user_arg_type_t {
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SID_arg,
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NAME_arg,
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ID_arg
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};
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struct fetch_user_arg_t
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{
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fetch_user_arg_type_t type;
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union {
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cygpsid *sid;
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const char *name;
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uint32_t id;
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};
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/* Only used in fetch_account_from_file/line. */
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size_t len;
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};
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struct pg_pwd
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{
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struct passwd p;
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cygsid sid;
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};
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struct pg_grp
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{
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struct group g;
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cygsid sid;
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};
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class pwdgrp
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{
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unsigned pwdgrp_buf_elem_size;
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void *pwdgrp_buf;
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bool (pwdgrp::*parse) ();
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UNICODE_STRING path;
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OBJECT_ATTRIBUTES attr;
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LARGE_INTEGER last_modified;
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char *lptr;
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ULONG curr_lines;
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ULONG max_lines;
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static muto pglock;
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bool parse_passwd ();
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bool parse_group ();
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char *add_line (char *);
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char *raw_ptr () const {return lptr;}
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char *next_str (char);
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bool next_num (unsigned long&);
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bool next_num (unsigned int& i)
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{
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unsigned long x;
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bool res = next_num (x);
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i = (unsigned int) x;
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return res;
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}
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inline bool next_num (int& i)
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{
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unsigned long x;
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bool res = next_num (x);
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i = (int) x;
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return res;
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}
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void *add_account_post_fetch (char *line);
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void *add_account_from_file (cygpsid &sid);
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void *add_account_from_file (const char *name);
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void *add_account_from_file (uint32_t id);
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void *add_account_from_windows (cygpsid &sid, bool group);
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void *add_account_from_windows (const char *name, bool group);
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void *add_account_from_windows (uint32_t id, bool group);
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char *fetch_account_from_line (fetch_user_arg_t &arg, const char *line);
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char *fetch_account_from_file (fetch_user_arg_t &arg);
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char *fetch_account_from_windows (fetch_user_arg_t &arg, bool group);
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pwdgrp *prep_tls_pwbuf ();
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pwdgrp *prep_tls_grbuf ();
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public:
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ULONG cached_users () const { return curr_lines; }
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ULONG cached_groups () const { return curr_lines; }
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bool check_file (bool group);
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void init_pwd ();
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pg_pwd *passwd () const { return (pg_pwd *) pwdgrp_buf; };
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inline struct passwd *add_user_from_file (cygpsid &sid)
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{ return (struct passwd *) add_account_from_file (sid); }
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struct passwd *add_user_from_file (const char *name)
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{ return (struct passwd *) add_account_from_file (name); }
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struct passwd *add_user_from_file (uint32_t id)
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{ return (struct passwd *) add_account_from_file (id); }
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struct passwd *add_user_from_windows (cygpsid &sid)
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{ return (struct passwd *) add_account_from_windows (sid, false); }
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struct passwd *add_user_from_windows (const char *name)
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{ return (struct passwd *) add_account_from_windows (name, false); }
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struct passwd *add_user_from_windows (uint32_t id)
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{ return (struct passwd *) add_account_from_windows (id, false); }
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struct passwd *find_user (cygpsid &sid);
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struct passwd *find_user (const char *name);
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struct passwd *find_user (uid_t uid);
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void init_grp ();
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pg_grp *group () const { return (pg_grp *) pwdgrp_buf; };
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struct group *add_group_from_file (cygpsid &sid)
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{ return (struct group *) add_account_from_file (sid); }
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struct group *add_group_from_file (const char *name)
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{ return (struct group *) add_account_from_file (name); }
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struct group *add_group_from_file (uint32_t id)
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{ return (struct group *) add_account_from_file (id); }
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struct group *add_group_from_windows (cygpsid &sid)
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{ return (struct group *) add_account_from_windows (sid, true); }
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struct group *add_group_from_windows (const char *name)
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{ return (struct group *) add_account_from_windows (name, true); }
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struct group *add_group_from_windows (uint32_t id)
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{ return (struct group *) add_account_from_windows (id, true); }
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struct group *find_group (cygpsid &sid);
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struct group *find_group (const char *name);
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struct group *find_group (gid_t gid);
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};
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