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/* Copyright 2010, 2011 NORDUnet A/S. All rights reserved.
See the file COPYING for licensing information. */
#if defined HAVE_CONFIG_H
#include <config.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <string.h>
#include <libgen.h>
#include <assert.h>
#include <freeradius/libradius.h>
#include <event2/event.h>
#include <event2/util.h>
#include <radsec/radsec.h>
#include <radsec/radsec-impl.h>
#if defined (RS_ENABLE_TLS)
#include <regex.h>
#include "debug.h"
#include "err.h"
#include "rsp_list.h"
#include "../radsecproxy.h"
#endif
#include "rsp_debug.h"
/* Public functions. */
int
rs_context_create (struct rs_context **ctx, const char *dict)
{
int err = RSE_OK;
struct rs_context *h;
char *buf1 = NULL, *buf2 = NULL;
char *dir, *fn;
assert (dict);
if (ctx)
*ctx = NULL;
h = (struct rs_context *) malloc (sizeof(struct rs_context));
if (!h)
return RSE_NOMEM;
/* Initialize freeradius dictionary. */
buf1 = malloc (strlen (dict) + 1);
buf2 = malloc (strlen (dict) + 1);
if (!buf1 || !buf2)
{
err = RSE_NOMEM;
goto err_out;
}
strcpy (buf1, dict);
dir = dirname (buf1);
strcpy (buf2, dict);
fn = basename (buf2);
if (dict_init (dir, fn) < 0)
{
err = RSE_FR;
goto err_out;
}
free (buf1);
free (buf2);
#if defined (RS_ENABLE_TLS)
ssl_init ();
#endif
#if defined (DEBUG)
fr_log_fp = stderr;
fr_debug_flag = 1;
#endif
debug_init ("libradsec"); /* radsecproxy compat, FIXME: remove */
memset (h, 0, sizeof(struct rs_context));
fr_randinit (&h->fr_randctx, 0);
fr_rand_seed (NULL, 0);
if (ctx)
*ctx = h;
return RSE_OK;
err_out:
if (buf1)
free (buf1);
if (buf2)
free (buf2);
if (h)
free (h);
return err;
}
struct rs_error * /* FIXME: Return int as all the others? */
rs_resolv (struct evutil_addrinfo **addr,
rs_conn_type_t type,
const char *hostname,
const char *service)
{
int err;
struct evutil_addrinfo hints, *res = NULL;
memset (&hints, 0, sizeof(struct evutil_addrinfo));
hints.ai_family = AF_INET; /* IPv4 only. TODO: Set AF_UNSPEC. */
hints.ai_flags = AI_ADDRCONFIG;
switch (type)
{
case RS_CONN_TYPE_NONE:
return err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
case RS_CONN_TYPE_TCP:
/* Fall through. */
case RS_CONN_TYPE_TLS:
hints.ai_socktype = SOCK_STREAM;
hints.ai_protocol = IPPROTO_TCP;
break;
case RS_CONN_TYPE_UDP:
/* Fall through. */
case RS_CONN_TYPE_DTLS:
hints.ai_socktype = SOCK_DGRAM;
hints.ai_protocol = IPPROTO_UDP;
break;
default:
return err_create (RSE_INVALID_CONN, __FILE__, __LINE__, NULL, NULL);
}
err = evutil_getaddrinfo (hostname, service, &hints, &res);
if (err)
return err_create (RSE_BADADDR, __FILE__, __LINE__,
"%s:%s: bad host name or service name (%s)",
hostname, service, evutil_gai_strerror(err));
*addr = res; /* Simply use first result. */
return NULL;
}
static void
_rs_peer_destroy (struct rs_peer *p)
{
assert (p);
assert (p->conn);
assert (p->conn->ctx);
/* NOTE: The peer object doesn't own conn, nor realm. */
/* NOTE: secret is owned by config */
if (p->addr)
{
evutil_freeaddrinfo (p->addr);
p->addr = NULL;
}
rs_free (p->conn->ctx, p);
}
void
rs_context_destroy (struct rs_context *ctx)
{
struct rs_realm *r = NULL;
struct rs_peer *p = NULL;
for (r = ctx->realms; r; )
{
struct rs_realm *tmp = r;
for (p = r->peers; p; )
{
struct rs_peer *tmp = p;
p = p->next;
_rs_peer_destroy (tmp);
}
r = r->next;
rs_free (ctx, tmp);
}
if (ctx->cfg)
cfg_free (ctx->cfg);
ctx->cfg = NULL;
rs_free (ctx, ctx);
}
int
rs_context_set_alloc_scheme (struct rs_context *ctx,
struct rs_alloc_scheme *scheme)
{
return rs_err_ctx_push_fl (ctx, RSE_NOSYS, __FILE__, __LINE__, NULL);
}
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