82 lines
2.0 KiB
C++
82 lines
2.0 KiB
C++
/* pwdgrp.h
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Copyright 2001, 2002, 2003 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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/* 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 (cygsid &);
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extern struct passwd *internal_getpwnam (const char *, bool = FALSE);
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extern struct passwd *internal_getpwuid (__uid32_t, bool = FALSE);
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extern struct __group32 *internal_getgrsid (cygsid &);
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extern struct __group32 *internal_getgrgid (__gid32_t gid, bool = FALSE);
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extern struct __group32 *internal_getgrnam (const char *, bool = FALSE);
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extern struct __group32 *internal_getgrent (int);
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int internal_getgroups (int, __gid32_t *, cygsid * = NULL);
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class pwdgrp
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{
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unsigned pwdgrp_buf_elem_size;
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union
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{
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passwd **passwd_buf;
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__group32 **group_buf;
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void **pwdgrp_buf;
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};
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void (pwdgrp::*read) ();
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bool (pwdgrp::*parse) (char *);
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int etc_ix;
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path_conv pc;
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char *buf;
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int max_lines;
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bool initialized;
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CRITICAL_SECTION lock;
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char *gets (char*&);
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public:
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int curr_lines;
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bool parse_passwd (char *);
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bool parse_group (char *);
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void read_passwd ();
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void read_group ();
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void add_line (char *);
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void refresh (bool check = true)
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{
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if (initialized && check && etc::file_changed (etc_ix))
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initialized = false;
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if (!initialized)
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{
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EnterCriticalSection (&lock);
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if (!initialized)
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(this->*read) ();
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LeaveCriticalSection (&lock);
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}
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}
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bool load (const char *);
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pwdgrp (passwd *&pbuf) :
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pwdgrp_buf_elem_size (sizeof (*pbuf)), passwd_buf (&pbuf)
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{
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read = &pwdgrp::read_passwd;
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parse = &pwdgrp::parse_passwd;
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InitializeCriticalSection (&lock);
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}
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pwdgrp (__group32 *&gbuf) :
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pwdgrp_buf_elem_size (sizeof (*gbuf)), group_buf (&gbuf)
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{
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read = &pwdgrp::read_group;
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parse = &pwdgrp::parse_group;
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InitializeCriticalSection (&lock);
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}
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};
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