decode.c
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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/util.h>
#include <mailutils/secret.h>
#include <mailutils/sys/url.h>
struct decode_tab
{
int mask;
int (*fun) (mu_url_t, size_t);
size_t off;
};
static int
_url_dec_str (mu_url_t url, size_t off)
{
char **pptr = (char**) ((char*) url + off);
mu_str_url_decode_inline (*pptr);
return 0;
}
static int
_url_dec_param (mu_url_t url, size_t off)
{
int i;
for (i = 0; i < url->fvcount; i++)
mu_str_url_decode_inline (url->fvpairs[i]);
return 0;
}
static int
_url_dec_query (mu_url_t url, size_t off)
{
int i;
for (i = 0; i < url->qargc; i++)
mu_str_url_decode_inline (url->qargv[i]);
return 0;
}
static int
_url_dec_secret (mu_url_t url, size_t off)
{
char *pass;
mu_secret_t newsec;
int rc;
rc = mu_str_url_decode (&pass, mu_secret_password (url->secret));
if (rc)
return rc;
rc = mu_secret_create (&newsec, pass, strlen (pass));
memset (pass, 0, strlen (pass));
free (pass);
if (rc)
return rc;
mu_secret_destroy (&url->secret);
url->secret = newsec;
return 0;
}
static struct decode_tab decode_tab[] = {
{ MU_URL_SCHEME, _url_dec_str, mu_offsetof (struct _mu_url, scheme) },
{ MU_URL_USER, _url_dec_str, mu_offsetof (struct _mu_url, user) },
{ MU_URL_SECRET, _url_dec_secret },
{ MU_URL_AUTH, _url_dec_str, mu_offsetof (struct _mu_url, auth) },
{ MU_URL_HOST, _url_dec_str, mu_offsetof (struct _mu_url, host) },
{ MU_URL_PATH, _url_dec_str, mu_offsetof (struct _mu_url, path) },
{ MU_URL_PARAM, _url_dec_param, 0 },
{ MU_URL_QUERY, _url_dec_query, 0 }
};
int
mu_url_decode (mu_url_t url)
{
int i;
if (!url)
return EINVAL;
for (i = 0; i < MU_ARRAY_SIZE (decode_tab); i++)
{
if (url->flags & decode_tab[i].mask)
{
int rc = decode_tab[i].fun (url, decode_tab[i].off);
if (rc)
return rc;
}
}
return 0;
}