shadow/lib/shadowio.c

158 lines
2.5 KiB
C

#include <config.h>
#ident "$Id$"
#include "prototypes.h"
#include "defines.h"
#ifdef HAVE_SHADOW_H
# include <shadow.h>
#endif
#include <stdio.h>
#include "commonio.h"
#include "shadowio.h"
struct spwd *__spw_dup (const struct spwd *spent)
{
struct spwd *sp;
if (!(sp = (struct spwd *) malloc (sizeof *sp)))
return NULL;
*sp = *spent;
if (!(sp->sp_namp = strdup (spent->sp_namp)))
return NULL;
if (!(sp->sp_pwdp = strdup (spent->sp_pwdp)))
return NULL;
return sp;
}
static void *shadow_dup (const void *ent)
{
const struct spwd *sp = ent;
return __spw_dup (sp);
}
static void shadow_free (void *ent)
{
struct spwd *sp = ent;
free (sp->sp_namp);
free (sp->sp_pwdp);
free (sp);
}
static const char *shadow_getname (const void *ent)
{
const struct spwd *sp = ent;
return sp->sp_namp;
}
static void *shadow_parse (const char *line)
{
return (void *) sgetspent (line);
}
static int shadow_put (const void *ent, FILE * file)
{
const struct spwd *sp = ent;
return (putspent (sp, file) == -1) ? -1 : 0;
}
static struct commonio_ops shadow_ops = {
shadow_dup,
shadow_free,
shadow_getname,
shadow_parse,
shadow_put,
fgets,
fputs
};
static struct commonio_db shadow_db = {
SHADOW_FILE, /* filename */
&shadow_ops, /* ops */
NULL, /* fp */
NULL, /* head */
NULL, /* tail */
NULL, /* cursor */
0, /* changed */
0, /* isopen */
0, /* locked */
0 /* readonly */
};
int spw_name (const char *filename)
{
return commonio_setname (&shadow_db, filename);
}
int spw_file_present (void)
{
return commonio_present (&shadow_db);
}
int spw_lock (void)
{
return commonio_lock (&shadow_db);
}
int spw_open (int mode)
{
return commonio_open (&shadow_db, mode);
}
const struct spwd *spw_locate (const char *name)
{
return commonio_locate (&shadow_db, name);
}
int spw_update (const struct spwd *sp)
{
return commonio_update (&shadow_db, (const void *) sp);
}
int spw_remove (const char *name)
{
return commonio_remove (&shadow_db, name);
}
int spw_rewind (void)
{
return commonio_rewind (&shadow_db);
}
const struct spwd *spw_next (void)
{
return commonio_next (&shadow_db);
}
int spw_close (void)
{
return commonio_close (&shadow_db);
}
int spw_unlock (void)
{
return commonio_unlock (&shadow_db);
}
struct commonio_entry *__spw_get_head (void)
{
return shadow_db.head;
}
void __spw_del_entry (const struct commonio_entry *ent)
{
commonio_del_entry (&shadow_db, ent);
}
/* Sort with respect to passwd ordering. */
int spw_sort ()
{
extern struct commonio_db *__pw_get_db ();
return commonio_sort_wrt (&shadow_db, __pw_get_db ());
}