labs-bird/nest/password.h

/*
 *	BIRD -- Password handling
 *
 *	(c) 1999 Pavel Machek <pavel@ucw.cz>
 *	(c) 2004 Ondrej Filip <feela@network.cz>
 *
 *	Can be freely distributed and used under the terms of the GNU GPL.
 */

#ifndef PASSWORD_H
#define PASSWORD_H

struct password_item {
  node n;
  const char *password;			/* Key data, null terminated */
  uint length;				/* Key length, without null */
  uint id;				/* Key ID */
  uint alg;				/* MAC algorithm */
  btime accfrom, accto, genfrom, gento;
};

extern struct password_item *last_password_item;

struct password_item *password_find(list *l, int first_fit);
struct password_item *password_find_by_id(list *l, uint id);
struct password_item *password_find_by_value(list *l, char *pass, uint size);
void password_validate_length(const struct password_item *p);

static inline int password_verify(struct password_item *p1, char *p2, uint size)
{
  char buf[size];
  strncpy(buf, p1->password, size);
  return !memcmp(buf, p2, size);
}

uint max_mac_length(list *l);

#endif