186 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			186 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
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#include <config.h>
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#ident "$Id$"
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#include "prototypes.h"
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#include "defines.h"
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#include <pwd.h>
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#include <stdio.h>
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#include "commonio.h"
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#include "pwio.h"
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extern struct passwd *sgetpwent (const char *);
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extern int putpwent (const struct passwd *, FILE *);
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struct passwd *__pw_dup (const struct passwd *pwent)
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{
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	struct passwd *pw;
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	if (!(pw = (struct passwd *) malloc (sizeof *pw)))
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		return NULL;
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	*pw = *pwent;
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	if (!(pw->pw_name = strdup (pwent->pw_name)))
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		return NULL;
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	if (!(pw->pw_passwd = strdup (pwent->pw_passwd)))
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		return NULL;
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	if (!(pw->pw_gecos = strdup (pwent->pw_gecos)))
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		return NULL;
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	if (!(pw->pw_dir = strdup (pwent->pw_dir)))
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		return NULL;
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	if (!(pw->pw_shell = strdup (pwent->pw_shell)))
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		return NULL;
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	return pw;
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}
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static void *passwd_dup (const void *ent)
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{
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	const struct passwd *pw = ent;
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	return __pw_dup (pw);
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}
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static void passwd_free (void *ent)
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{
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	struct passwd *pw = ent;
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	free (pw->pw_name);
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	free (pw->pw_passwd);
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	free (pw->pw_gecos);
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	free (pw->pw_dir);
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	free (pw->pw_shell);
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	free (pw);
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}
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static const char *passwd_getname (const void *ent)
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{
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	const struct passwd *pw = ent;
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	return pw->pw_name;
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}
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static void *passwd_parse (const char *line)
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{
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	return (void *) sgetpwent (line);
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}
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static int passwd_put (const void *ent, FILE * file)
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{
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	const struct passwd *pw = ent;
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	return (putpwent (pw, file) == -1) ? -1 : 0;
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}
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static struct commonio_ops passwd_ops = {
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	passwd_dup,
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	passwd_free,
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	passwd_getname,
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	passwd_parse,
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	passwd_put,
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	fgets,
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	fputs
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};
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static struct commonio_db passwd_db = {
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	PASSWD_FILE,		/* filename */
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	&passwd_ops,		/* ops */
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	NULL,			/* fp */
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	NULL,			/* head */
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	NULL,			/* tail */
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	NULL,			/* cursor */
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	0,			/* changed */
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	0,			/* isopen */
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	0,			/* locked */
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	0			/* readonly */
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};
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int pw_name (const char *filename)
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{
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	return commonio_setname (&passwd_db, filename);
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}
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int pw_lock (void)
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{
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	return commonio_lock (&passwd_db);
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}
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int pw_open (int mode)
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{
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	return commonio_open (&passwd_db, mode);
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}
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const struct passwd *pw_locate (const char *name)
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{
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	return commonio_locate (&passwd_db, name);
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}
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int pw_update (const struct passwd *pw)
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{
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	return commonio_update (&passwd_db, (const void *) pw);
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}
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int pw_remove (const char *name)
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{
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	return commonio_remove (&passwd_db, name);
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}
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int pw_rewind (void)
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{
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	return commonio_rewind (&passwd_db);
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}
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const struct passwd *pw_next (void)
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{
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	return commonio_next (&passwd_db);
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}
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int pw_close (void)
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{
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	return commonio_close (&passwd_db);
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}
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int pw_unlock (void)
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{
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	return commonio_unlock (&passwd_db);
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}
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struct commonio_entry *__pw_get_head (void)
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{
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	return passwd_db.head;
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}
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void __pw_del_entry (const struct commonio_entry *ent)
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{
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	commonio_del_entry (&passwd_db, ent);
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}
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struct commonio_db *__pw_get_db (void)
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{
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	return &passwd_db;
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}
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static int pw_cmp (const void *p1, const void *p2)
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{
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	uid_t u1, u2;
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	if ((*(struct commonio_entry **) p1)->eptr == NULL)
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		return 1;
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	if ((*(struct commonio_entry **) p2)->eptr == NULL)
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		return -1;
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	u1 = ((struct passwd *) (*(struct commonio_entry **) p1)->eptr)->pw_uid;
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	u2 = ((struct passwd *) (*(struct commonio_entry **) p2)->eptr)->pw_uid;
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	if (u1 < u2)
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		return -1;
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	else if (u1 > u2)
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		return 1;
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	else
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		return 0;
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}
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/* Sort entries by UID */
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int pw_sort ()
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{
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	return commonio_sort (&passwd_db, pw_cmp);
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}
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