Rename COPYING -> LICENSE.

[libradsec.git] / lib / radsec.c

diff --git a/lib/radsec.c b/lib/radsec.c
index 760da84..d14ad50 100644 (file)
--- a/lib/radsec.c
+++ b/lib/radsec.c
@@ -1,71 +1,139 @@
+/* Copyright 2010, 2011 NORDUnet A/S. All rights reserved.
+   See LICENSE for licensing information.  */
+
+#if defined HAVE_CONFIG_H
+#include <config.h>
+#endif
+
+#include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
-#include "libradsec.h"
-#include "libradsec-impl.h"
+#include <string.h>
+#include <libgen.h>
+#include <assert.h>
 
-#define ERR_OK 0
-#define ERR_NOMEM 1
-#define ERR_NOSYS 2
-#define ERR_SOME_ERROR 99
+#include <radius/client.h>
+#include <event2/event.h>
+#include <event2/util.h>
+#include <radsec/radsec.h>
+#include <radsec/radsec-impl.h>
+#include "err.h"
+#include "debug.h"
+#include "rsp_debug.h"
+#if defined (RS_ENABLE_TLS)
+#include <regex.h>
+#include "rsp_list.h"
+#include "../radsecproxy.h"
+#endif
 
-int rs_context_create(struct rs_handle **ctx)
+/* Public functions.  */
+int
+rs_context_create (struct rs_context **ctx)
 {
-  *ctx = (struct rs_handle *) malloc (sizeof (struct rs_handle));
-  return (ctx ? ERR_OK : ERR_NOMEM);
-}
+  struct rs_context *h;
 
-void rs_context_destroy(struct rs_handle *ctx)
-{
-  free (ctx);
-}
+  h = calloc (1, sizeof(*h));
+  if (h == NULL)
+    return RSE_NOMEM;
 
-int rs_context_set_alloc_scheme(struct rs_handle *ctx, struct rs_alloc_scheme *scheme)
-{
-  return ERR_NOSYS;
-}
+#if defined (RS_ENABLE_TLS)
+  ssl_init ();
+#endif
 
-int rs_context_config_read(struct rs_handle *ctx, const char *config_file)
-{
-  return ERR_NOSYS;
-}
+  debug_init ("libradsec");    /* radsecproxy compat, FIXME: remove */
 
-int rs_conn_create(const struct rs_handle *ctx, struct rs_connection **conn)
-{
-  return ERR_NOSYS;
-}
+  if (ctx != NULL)
+    *ctx = h;
 
-int rs_conn_destroy(struct rs_connection  *conn)
-{
-  return ERR_NOSYS;
+  return RSE_OK;
 }
 
-int rs_conn_set_eventbase(struct rs_connection *conn, struct event_base *eb)
+struct rs_error *
+rs_resolve (struct evutil_addrinfo **addr,
+            rs_conn_type_t type,
+            const char *hostname,
+            const char *service)
 {
-  return ERR_NOSYS;
-}
+  int err;
+  struct evutil_addrinfo hints, *res = NULL;
 
-int rs_conn_set_callbacks(struct rs_connection *conn, struct rs_conn_callbacks *cb)
-{
-  return ERR_NOSYS;
+  memset (&hints, 0, sizeof(struct evutil_addrinfo));
+  hints.ai_family = 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;
 }
 
-int rs_conn_set_server(struct rs_connection *conn, const char *name)
+void
+rs_context_destroy (struct rs_context *ctx)
 {
-  return ERR_NOSYS;
-}
+  struct rs_realm *r = NULL;
+  struct rs_peer *p = NULL;
 
-int rs_conn_get_server(const struct rs_connection *conn, const char *name, size_t buflen)
-{
-  return ERR_NOSYS;
-}
+  if (ctx->config)
+    {
+      for (r = ctx->config->realms; r; )
+       {
+         struct rs_realm *tmp = r;
+         for (p = r->peers; p; )
+           {
+             struct rs_peer *tmp = p;
+             if (p->addr_cache)
+                {
+                  evutil_freeaddrinfo (p->addr_cache);
+                  p->addr_cache = NULL;
+                }
+             p = p->next;
+             rs_free (ctx, tmp);
+           }
+         free (r->name);
+          rs_free (ctx, r->transport_cred);
+         r = r->next;
+         rs_free (ctx, tmp);
+       }
+    }
 
-int rs_packet_send(const struct rs_conn *conn, const struct rs_packet *pkt, void *user_data)
-{
-  return ERR_NOSYS;
+  if (ctx->config)
+    {
+      if (ctx->config->cfg)
+       {
+         cfg_free (ctx->config->cfg);
+         ctx->config->cfg = NULL;
+       }
+      rs_free (ctx, ctx->config);
+    }
+
+  free (ctx);
 }
 
-int rs_packet_receive(const struct rs_conn *conn, struct rs_packet **pkt)
+int
+rs_context_set_alloc_scheme (struct rs_context *ctx,
+                            struct rs_alloc_scheme *scheme)
 {
-  return ERR_NOSYS;
+  return rs_err_ctx_push_fl (ctx, RSE_NOSYS, __FILE__, __LINE__, NULL);
 }