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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