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88 lines
1.5 KiB
C
88 lines
1.5 KiB
C
/*
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* BIRD -- Password handling
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*
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* (c) 1999 Pavel Machek <pavel@ucw.cz>
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* (c) 2004 Ondrej Filip <feela@network.cz>
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*/
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#include "nest/bird.h"
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#include "nest/password.h"
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#include "lib/string.h"
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#include "lib/timer.h"
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#include "lib/mac.h"
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struct password_item *last_password_item = NULL;
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struct password_item *
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password_find(list *l, int first_fit)
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{
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struct password_item *pi;
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struct password_item *pf = NULL;
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btime now_ = current_real_time();
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if (l)
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{
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WALK_LIST(pi, *l)
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{
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if ((pi->genfrom < now_) && (pi->gento > now_))
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{
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if (first_fit)
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return pi;
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if (!pf || pf->genfrom < pi->genfrom)
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pf = pi;
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}
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}
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}
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return pf;
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}
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struct password_item *
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password_find_by_id(list *l, uint id)
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{
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struct password_item *pi;
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btime now_ = current_real_time();
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if (!l)
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return NULL;
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WALK_LIST(pi, *l)
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if ((pi->id == id) && (pi->accfrom <= now_) && (now_ < pi->accto))
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return pi;
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return NULL;
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}
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struct password_item *
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password_find_by_value(list *l, char *pass, uint size)
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{
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struct password_item *pi;
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btime now_ = current_real_time();
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if (!l)
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return NULL;
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WALK_LIST(pi, *l)
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if (password_verify(pi, pass, size) && (pi->accfrom <= now_) && (now_ < pi->accto))
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return pi;
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return NULL;
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}
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uint
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max_mac_length(list *l)
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{
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struct password_item *pi;
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uint val = 0;
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if (!l)
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return 0;
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WALK_LIST(pi, *l)
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val = MAX(val, mac_type_length(pi->alg));
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return val;
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}
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