match.c
2.44 KB
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/* GNU Mailutils -- a suite of utilities for electronic mail
Copyright (C) 2010, 2011 Free Software Foundation, Inc.
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 3 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General
Public License along with this library. If not, see
<http://www.gnu.org/licenses/>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <errno.h>
#include <stdlib.h>
#include <string.h>
#ifdef HAVE_STRINGS_H
# include <strings.h>
#endif
#include <mailutils/types.h>
#include <mailutils/cstr.h>
#include <mailutils/sys/url.h>
#define is_wildcard(s) ((s)[0] == '*' && s[1] == 0)
#define WEIGHT_SCHEME 3
#define WEIGHT_USER 4
#define WEIGHT_HOST 2
#define WEIGHT_PORT 1
int
mu_url_matches_ticket (mu_url_t ticket, mu_url_t url, int *pwc)
{
int wcnt = 0;
if (is_wildcard (ticket->scheme))
wcnt += WEIGHT_SCHEME;
else if (mu_c_strcasecmp (ticket->scheme, url->scheme))
return 0;
if (ticket->flags & MU_URL_HOST)
{
if (is_wildcard (ticket->host))
wcnt += WEIGHT_HOST;
else if (url->flags & MU_URL_HOST)
{
if (mu_c_strcasecmp (ticket->host, url->host))
/* FIXME: Compare IP addresses */
return 0;
}
else
return 0;
}
else
wcnt += WEIGHT_HOST;
if (ticket->flags & MU_URL_PORT)
{
if (is_wildcard (ticket->portstr))
wcnt += WEIGHT_PORT;
else if (url->port & MU_URL_PORT)
{
if (ticket->port != url->port)
return 0;
else
wcnt += WEIGHT_PORT;
}
}
else
wcnt += WEIGHT_PORT;
if (ticket->flags & MU_URL_USER)
{
if (is_wildcard (ticket->user))
wcnt += WEIGHT_USER;
/* If ticket has a user or pass, but url doesn't, that's OK, we were
looking for this info. But if url does have a user/pass, it
must match the ticket. */
else if (url->flags & MU_URL_USER)
{
if (strcmp (ticket->user, url->user))
return 0;
}
}
else
wcnt += WEIGHT_USER;
/* Guess it matches. */
if (pwc)
*pwc = wcnt;
return 1;
}