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bird 1.6.3

    1: /*
    2:  *	BIRD -- Password handling
    3:  *
    4:  *	(c) 1999 Pavel Machek <pavel@ucw.cz>
    5:  *	(c) 2004 Ondrej Filip <feela@network.cz>
    6:  *
    7:  *	Can be freely distributed and used under the terms of the GNU GPL.
    8:  */
    9: 
   10: #include "nest/bird.h"
   11: #include "nest/password.h"
   12: #include "lib/string.h"
   13: #include "lib/mac.h"
   14: 
   15: struct password_item *last_password_item = NULL;
   16: 
   17: struct password_item *
   18: password_find(list *l, int first_fit)
   19: {
   20:   struct password_item *pi;
   21:   struct password_item *pf = NULL;
   22: 
   23:   if (l)
   24:   {
   25:     WALK_LIST(pi, *l)
   26:     {
   27:       if ((pi->genfrom < now_real) && (pi->gento > now_real))
   28:       {
   29: 	if (first_fit)
   30: 	  return pi;
   31: 
   32: 	if (!pf || pf->genfrom < pi->genfrom)
   33: 	  pf = pi;
   34:       }
   35:     }
   36:   }
   37:   return pf;
   38: }
   39: 
   40: struct password_item *
   41: password_find_by_id(list *l, uint id)
   42: {
   43:   struct password_item *pi;
   44: 
   45:   if (!l)
   46:     return NULL;
   47: 
   48:   WALK_LIST(pi, *l)
   49:     if ((pi->id == id) && (pi->accfrom <= now_real) && (now_real < pi->accto))
   50:       return pi;
   51: 
   52:   return NULL;
   53: }
   54: 
   55: struct password_item *
   56: password_find_by_value(list *l, char *pass, uint size)
   57: {
   58:   struct password_item *pi;
   59: 
   60:   if (!l)
   61:     return NULL;
   62: 
   63:   WALK_LIST(pi, *l)
   64:     if (password_verify(pi, pass, size) && (pi->accfrom <= now_real) && (now_real < pi->accto))
   65:       return pi;
   66: 
   67:   return NULL;
   68: }
   69: 
   70: uint
   71: max_mac_length(list *l)
   72: {
   73:   struct password_item *pi;
   74:   uint val = 0;
   75: 
   76:   if (!l)
   77:     return 0;
   78: 
   79:   WALK_LIST(pi, *l)
   80:     val = MAX(val, mac_type_length(pi->alg));
   81: 
   82:   return val;
   83: }