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66 lines
1.1 KiB
C
66 lines
1.1 KiB
C
/*
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* BIRD -- Password handling
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*
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* Copyright 1999 Pavel Machek <pavel@ucw.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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struct password_item *last_password_item = NULL;
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static int
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password_goodness(struct password_item *i)
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{
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if (i->from > now)
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return 0;
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if (i->to < now)
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return 0;
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if (i->passive < now)
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return 1;
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return 2;
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}
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struct password_item *
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get_best_password(struct password_item *head, int flags)
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{
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int good = -1;
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struct password_item *best = NULL;
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while (head) {
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int cur = password_goodness(head);
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if (cur > good) {
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good = cur;
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best = head;
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}
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head=head->next;
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}
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return best;
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}
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void
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password_strncpy(char *to, char *from, int len)
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{
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int i;
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for (i=0; i<len; i++) {
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*to++ = *from;
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if (*from)
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from++;
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}
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}
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int
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password_same(struct password_item *old, struct password_item *new)
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{
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if (old == new)
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return 1;
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if ((!old) || (!new))
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return 0;
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return ((old->from == new->from) &&
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(old->to == new->to) &&
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(old->passive == new->passive) &&
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password_same(old, new));
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}
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