/*
The oSIP library implements the Session Initiation Protocol (SIP -rfc3261-)
Copyright (C) 2001,2002,2003,2004,2005 Aymeric MOIZARD jack@atosc.org
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 2.1 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, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#include <stdlib.h>
#include <stdio.h>
#include <osipparser2/osip_port.h>
#include <osipparser2/osip_message.h>
#include <osipparser2/osip_parser.h>
#include "parser.h"
int
osip_authentication_info_init (osip_authentication_info_t ** dest)
{
*dest =
(osip_authentication_info_t *)
osip_malloc (sizeof (osip_authentication_info_t));
if (*dest == NULL)
return -1;
(*dest)->nextnonce = NULL;
(*dest)->qop_options = NULL;
(*dest)->rspauth = NULL;
(*dest)->cnonce = NULL;
(*dest)->nonce_count = NULL;
return 0;
}
/* fills the www-authenticate header of message. */
/* INPUT : char *hvalue | value of header. */
/* OUTPUT: osip_message_t *sip | structure to save results. */
/* returns -1 on error. */
int
osip_message_set_authentication_info (osip_message_t * sip, const char *hvalue)
{
osip_authentication_info_t *authentication_info;
int i;
if (hvalue == NULL || hvalue[0] == '\0')
return 0;
if (sip == NULL || sip->authentication_infos == NULL)
return -1;
i = osip_authentication_info_init (&authentication_info);
if (i != 0)
return -1;
i = osip_authentication_info_parse (authentication_info, hvalue);
if (i != 0)
{
osip_authentication_info_free (authentication_info);
return -1;
}
sip->message_property = 2;
osip_list_add (sip->authentication_infos, authentication_info, -1);
return 0;
}
/* fills the authentication_info strucuture. */
/* INPUT : char *hvalue | value of header. */
/* OUTPUT: osip_message_t *sip | structure to save results. */
/* returns -1 on error. */
/* TODO:
digest-challenge tken has no order preference??
verify many situations (extra SP....)
*/
int
osip_authentication_info_parse (osip_authentication_info_t * ainfo,
const char *hvalue)
{
const char *space;
const char *next = NULL;
space = hvalue;
for (;;)
{
int parse_ok = 0;
if (__osip_quoted_string_set
("nextnonce", space, &(ainfo->nextnonce), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (__osip_quoted_string_set ("cnonce", space, &(ainfo->cnonce), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (__osip_quoted_string_set ("rspauth", space, &(ainfo->rspauth), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (__osip_token_set ("nc", space, &(ainfo->nonce_count), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (__osip_token_set ("qop", space, &(ainfo->qop_options), &next))
return -1;
if (next == NULL)
return 0; /* end of header detected! */
else if (next != space)
{
space = next;
parse_ok++;
}
if (0 == parse_ok)
{
char *quote1, *quote2, *tmp;
/* CAUTION */
/* parameter not understood!!! I'm too lazy to handle IT */
/* let's simply bypass it */
if (strlen (space) < 1)
return 0;
tmp = strchr (space + 1, ',');
if (tmp == NULL) /* it was the last header */
return 0;
quote1 = __osip_quote_find (space);
if ((quote1 != NULL) && (quote1 < tmp)) /* this may be a quoted string! */
{
quote2 = __osip_quote_find (quote1 + 1);
if (quote2 == NULL)
return -1; /* bad header format... */
if (tmp < quote2) /* the comma is inside the quotes! */
space = strchr (quote2, ',');
else
space = tmp;
if (space == NULL) /* it was the last header */
return 0;
} else
space = tmp;
/* continue parsing... */
}
}
return 0; /* ok */
}
/* returns the authentication_info header. */
/* INPUT : osip_message_t *sip | sip message. */
/* returns null on error. */
int
osip_message_get_authentication_info (const osip_message_t * sip, int pos,
osip_authentication_info_t ** dest)
{
osip_authentication_info_t *authentication_info;
*dest = NULL;
if (osip_list_size (sip->authentication_infos) <= pos)
return -1; /* does not exist */
authentication_info =
(osip_authentication_info_t *) osip_list_get (sip->authentication_infos, pos);
*dest = authentication_info;
return pos;
}
char *
osip_authentication_info_get_nextnonce (osip_authentication_info_t *
authentication_info)
{
return authentication_info->nextnonce;
}
void
osip_authentication_info_set_nextnonce (osip_authentication_info_t *
authentication_info, char *nextnonce)
{
authentication_info->nextnonce = (char *) nextnonce;
}
char *
osip_authentication_info_get_cnonce (osip_authentication_info_t *
authentication_info)
{
return authentication_info->cnonce;
}
void
osip_authentication_info_set_cnonce (osip_authentication_info_t *
authentication_info, char *cnonce)
{
authentication_info->cnonce = (char *) cnonce;
}
char *
osip_authentication_info_get_rspauth (osip_authentication_info_t *
authentication_info)
{
return authentication_info->rspauth;
}
void
osip_authentication_info_set_rspauth (osip_authentication_info_t *
authentication_info, char *rspauth)
{
authentication_info->rspauth = (char *) rspauth;
}
char *
osip_authentication_info_get_nonce_count (osip_authentication_info_t *
authentication_info)
{
return authentication_info->nonce_count;
}
void
osip_authentication_info_set_nonce_count (osip_authentication_info_t *
authentication_info, char *nonce_count)
{
authentication_info->nonce_count = (char *) nonce_count;
}
char *
osip_authentication_info_get_qop_options (osip_authentication_info_t *
authentication_info)
{
return authentication_info->qop_options;
}
void
osip_authentication_info_set_qop_options (osip_authentication_info_t *
authentication_info, char *qop_options)
{
authentication_info->qop_options = (char *) qop_options;
}
/* returns the authentication_info header as a string. */
/* INPUT : osip_authentication_info_t *authentication_info | authentication_info header. */
/* returns null on error. */
int
osip_authentication_info_to_str (const osip_authentication_info_t * ainfo,
char **dest)
{
size_t len;
char *tmp;
*dest = NULL;
if (ainfo == NULL)
return -1;
len = 0;
if (ainfo->nextnonce != NULL)
len = len + strlen (ainfo->nextnonce) + 11;
if (ainfo->rspauth != NULL)
len = len + strlen (ainfo->rspauth) + 10;
if (ainfo->cnonce != NULL)
len = len + strlen (ainfo->cnonce) + 9;
if (ainfo->nonce_count != NULL)
len = len + strlen (ainfo->nonce_count) + 5;
if (ainfo->qop_options != NULL)
len = len + strlen (ainfo->qop_options) + 6;
if (len == 0)
return -1;
tmp = (char *) osip_malloc (len);
if (tmp == NULL)
return -1;
*dest = tmp;
if (ainfo->qop_options != NULL)
{
tmp = osip_strn_append (tmp, "qop=", 4);
tmp = osip_str_append (tmp, ainfo->qop_options);
}
if (ainfo->nextnonce != NULL)
{
if (tmp != *dest)
{
tmp = osip_strn_append (tmp, ", ", 2);
}
tmp = osip_strn_append (tmp, "nextnonce=", 10);
tmp = osip_str_append (tmp, ainfo->nextnonce);
}
if (ainfo->rspauth != NULL)
{
if (tmp != *dest)
{
tmp = osip_strn_append (tmp, ", ", 2);
}
tmp = osip_strn_append (tmp, "rspauth=", 8);
tmp = osip_str_append (tmp, ainfo->rspauth);
}
if (ainfo->cnonce != NULL)
{
if (tmp != *dest)
{
tmp = osip_strn_append (tmp, ", ", 2);
}
tmp = osip_strn_append (tmp, "cnonce=", 7);
tmp = osip_str_append (tmp, ainfo->cnonce);
}
if (ainfo->nonce_count != NULL)
{
if (tmp != *dest)
{
tmp = osip_strn_append (tmp, ", ", 2);
}
tmp = osip_strn_append (tmp, "nc=", 3);
tmp = osip_str_append (tmp, ainfo->nonce_count);
}
return 0;
}
/* deallocates a osip_authentication_info_t structure. */
/* INPUT : osip_authentication_info_t *authentication_info | authentication_info. */
void
osip_authentication_info_free (osip_authentication_info_t * authentication_info)
{
if (authentication_info == NULL)
return;
osip_free (authentication_info->nextnonce);
osip_free (authentication_info->rspauth);
osip_free (authentication_info->cnonce);
osip_free (authentication_info->nonce_count);
osip_free (authentication_info->qop_options);
osip_free (authentication_info);
}
int
osip_authentication_info_clone (const osip_authentication_info_t * ainfo,
osip_authentication_info_t ** dest)
{
int i;
osip_authentication_info_t *wa;
*dest = NULL;
if (ainfo == NULL)
return -1;
i = osip_authentication_info_init (&wa);
if (i == -1) /* allocation failed */
return -1;
if (ainfo->nextnonce != NULL)
wa->nextnonce = osip_strdup (ainfo->nextnonce);
if (ainfo->cnonce != NULL)
wa->cnonce = osip_strdup (ainfo->cnonce);
if (ainfo->rspauth != NULL)
wa->rspauth = osip_strdup (ainfo->rspauth);
if (ainfo->nonce_count != NULL)
wa->nonce_count = osip_strdup (ainfo->nonce_count);
if (ainfo->qop_options != NULL)
wa->qop_options = osip_strdup (ainfo->qop_options);
*dest = wa;
return 0;
}
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