84 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
			
		
		
	
	
			84 lines
		
	
	
		
			2.0 KiB
		
	
	
	
		
			C++
		
	
	
	
| /* pwdgrp.h
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| 
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|    Copyright 2001, 2002, 2003 Red Hat inc.
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| 
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|    Stuff common to pwd and grp handling.
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| 
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| This file is part of Cygwin.
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| 
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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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| 
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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 *, bool = FALSE);
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| extern struct passwd *internal_getpwuid (__uid32_t, bool = FALSE);
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| extern struct __group32 *internal_getgrsid (cygpsid &);
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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 *, cygpsid * = NULL);
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| 
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| #include "sync.h"
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| #include "cygtls.h"
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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) ();
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|   int etc_ix;
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|   path_conv pc;
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|   char *buf, *lptr;
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|   int max_lines;
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|   bool initialized;
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|   static muto pglock;
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| 
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|   bool parse_passwd ();
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|   bool parse_group ();
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|   void read_passwd ();
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|   void read_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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| 
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| public:
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|   int curr_lines;
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| 
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|   void load (const char *);
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|   inline void refresh (bool check)
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|   {
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|     if (!check && initialized)
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|       return;
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|     if (pglock.acquire () == 1 &&
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| 	(!initialized || (check && etc::file_changed (etc_ix))))
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| 	(this->*read) ();
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|     pglock.release ();
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|   }
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| 
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|   pwdgrp (passwd *&pbuf);
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|   pwdgrp (__group32 *&gbuf);
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| };
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