newlib/winsup/cygwin/pwdgrp.h
Corinna Vinschen 4a21c2d5c8 * security.h (class cygpsid): New class.
(class cygsid): Use cygpsid as base. Remove members psid, get_id,
	get_uid, get_gid, string, debug_printf and the == and != operators.
	(cygsidlist::clear_supp): Only do work if setgroups has been called.
	* sec_helper.cc: Define sid_auth NO_COPY.
	(cygpsid::operator==): New operator.
	(cygpsid::get_id): New function.
	(cygpsid::string): New function.
	(cygsid::string): Delete.
	(cygsid::get_id): Delete.
	* pwdgrp.h: Change arguments of internal_getpwsid,
	internal_getgrsid and internal_getgroups to cygpsid.
	* passwd.cc (internal_getpwsid): Change argument from cygsid to cygpsid.
	* grp.cc (internal_getgrsid): Ditto.
	(internal_getgroups): Ditto.
2003-02-04 14:58:04 +00:00

95 lines
2.3 KiB
C++

/* pwdgrp.h
Copyright 2001, 2002, 2003 Red Hat inc.
Stuff common to pwd and grp handling.
This file is part of Cygwin.
This software is a copyrighted work licensed under the terms of the
Cygwin license. Please consult the file "CYGWIN_LICENSE" for
details. */
/* These functions are needed to allow searching and walking through
the passwd and group lists */
extern struct passwd *internal_getpwsid (cygpsid &);
extern struct passwd *internal_getpwnam (const char *, bool = FALSE);
extern struct passwd *internal_getpwuid (__uid32_t, bool = FALSE);
extern struct __group32 *internal_getgrsid (cygpsid &);
extern struct __group32 *internal_getgrgid (__gid32_t gid, bool = FALSE);
extern struct __group32 *internal_getgrnam (const char *, bool = FALSE);
extern struct __group32 *internal_getgrent (int);
int internal_getgroups (int, __gid32_t *, cygpsid * = NULL);
#include "sync.h"
class pwdgrp
{
unsigned pwdgrp_buf_elem_size;
union
{
passwd **passwd_buf;
__group32 **group_buf;
void **pwdgrp_buf;
};
void (pwdgrp::*read) ();
bool (pwdgrp::*parse) ();
int etc_ix;
path_conv pc;
char *buf, *lptr;
int max_lines;
bool initialized;
muto *pglock;
bool parse_passwd ();
bool parse_group ();
void read_passwd ();
void read_group ();
char *add_line (char *);
char *raw_ptr () const {return lptr;}
char *next_str (char);
bool next_num (unsigned long&);
bool next_num (unsigned int& i)
{
unsigned long x;
bool res = next_num (x);
i = (unsigned int) x;
return res;
}
bool next_num (int& i)
{
unsigned long x;
bool res = next_num (x);
i = (int) x;
return res;
}
public:
int curr_lines;
void load (const char *);
void refresh (bool check)
{
if (!check && initialized)
return;
if (pglock->acquire () == 1 &&
(!initialized || (check && etc::file_changed (etc_ix))))
(this->*read) ();
pglock->release ();
}
pwdgrp (passwd *&pbuf) :
pwdgrp_buf_elem_size (sizeof (*pbuf)), passwd_buf (&pbuf)
{
read = &pwdgrp::read_passwd;
parse = &pwdgrp::parse_passwd;
new_muto (pglock);
}
pwdgrp (__group32 *&gbuf) :
pwdgrp_buf_elem_size (sizeof (*gbuf)), group_buf (&gbuf)
{
read = &pwdgrp::read_group;
parse = &pwdgrp::parse_group;
new_muto (pglock);
}
};