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/*
* BIRD -- Password handling
*
* Copyright 1999 Pavel Machek <pavel@ucw.cz>
*
* Can be freely distributed and used under the terms of the GNU GPL.
*/
#include "nest/bird.h"
#include "nest/password.h"
struct password_item *last_password_item = NULL;
static int
password_goodness(struct password_item *i)
{
if (i->from > now)
return 0;
if (i->to < now)
return 0;
if (i->passive < now)
return 1;
return 2;
}
struct password_item *
get_best_password(struct password_item *head, int flags)
{
int good = -1;
struct password_item *best = NULL;
while (head) {
int cur = password_goodness(head);
if (cur > good) {
good = cur;
best = head;
}
head=head->next;
}
return best;
}
void
password_strncpy(char *to, char *from, int len)
{
int i;
for (i=0; i<len; i++) {
*to++ = *from;
if (*from)
from++;
}
}
int
password_same(struct password_item *old, struct password_item *new)
{
for(;;)
{
if (old == new)
return 1;
if (!old || !new)
return 0;
if (old->from != new->from ||
old->to != new->to ||
old->passive != new->passive ||
old->id != new->id ||
strcmp(old->password, new->password))
return 0;
old = old->next;
new = new->next;
}
}
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