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[radsecproxy.git] / lib / radsec.c

diff --git a/lib/radsec.c b/lib/radsec.c
index e0c881a..6d0308d 100644 (file)
--- a/lib/radsec.c
+++ b/lib/radsec.c
@@ -1,3 +1,5 @@
+/* See the file COPYING for licensing information.  */
+
 #include <stdio.h>
 #include <stdlib.h>
 #include <stdint.h>
@@ -5,8 +7,10 @@
 #include <libgen.h>
 
 #include <freeradius/libradius.h>
-#include "libradsec.h"
-#include "libradsec-impl.h"
+#include <event2/event.h>
+#include <event2/util.h>
+#include <radsec/libradsec.h>
+#include <radsec/libradsec-impl.h>
 
 int
 rs_context_create(struct rs_handle **ctx, const char *dict)
@@ -65,12 +69,14 @@ void rs_context_destroy(struct rs_handle *ctx)
 
 int rs_context_set_alloc_scheme(struct rs_handle *ctx, struct rs_alloc_scheme *scheme)
 {
-  return RSE_NOSYS;
+  return rs_ctx_err_push_fl (ctx, RSE_NOSYS, __FILE__, __LINE__,
+                            "%s: NYI", __func__);
 }
 
 int rs_context_config_read(struct rs_handle *ctx, const char *config_file)
 {
-  return RSE_NOSYS;
+  return rs_ctx_err_push_fl (ctx, RSE_NOSYS, __FILE__, __LINE__,
+                            "%s: NYI", __func__);
 }
 
 int rs_conn_create(struct rs_handle *ctx, struct rs_connection **conn)
@@ -82,7 +88,6 @@ int rs_conn_create(struct rs_handle *ctx, struct rs_connection **conn)
     {
       memset (c, 0, sizeof(struct rs_connection));
       c->ctx = ctx;
-      c->peers.next = &c->peers;
     }
   if (conn)
     *conn = c;
@@ -90,12 +95,75 @@ int rs_conn_create(struct rs_handle *ctx, struct rs_connection **conn)
 }
 
 struct addrinfo *
-_resolv (const char *host, int port)
+_resolv (struct rs_connection *conn, const char *hostname, int port)
+{
+  int err;
+  char portstr[6];
+  struct evutil_addrinfo hints, *res = NULL;
+
+  snprintf (portstr, sizeof(portstr), "%d", port);
+  memset (&hints, 0, sizeof(struct evutil_addrinfo));
+  //hints.ai_family = AF_UNSPEC;       /* v4 or v6.  */
+  hints.ai_family = AF_INET;   /* FIXME: v4 only, while debuging */
+  hints.ai_flags = AI_ADDRCONFIG;
+  switch (conn->type)
+    {
+    case RS_CONN_TYPE_NONE:
+      rs_conn_err_push_fl (conn, RSE_INVALID_CONN, __FILE__, __LINE__, NULL);
+      return NULL;
+    case RS_CONN_TYPE_TCP:
+    case RS_CONN_TYPE_TLS:
+      hints.ai_socktype = SOCK_STREAM;
+      hints.ai_protocol = IPPROTO_TCP;
+      break;
+    case RS_CONN_TYPE_UDP:
+    case RS_CONN_TYPE_DTLS:
+      hints.ai_socktype = SOCK_DGRAM;
+      hints.ai_protocol = IPPROTO_UDP;
+      break;
+    }
+  err = evutil_getaddrinfo (hostname, portstr, &hints, &res);
+  if (err)
+    rs_conn_err_push_fl (conn, RSE_BADADDR, __FILE__, __LINE__,
+                        " %s:%d: bad host name or port (%s)",
+                        hostname, port, evutil_gai_strerror(err));
+  return res;                  /* Simply use first result.  */
+}
+
+static struct rs_peer *
+_peer_new (struct rs_connection *conn, const char *hostname, int port)
 {
-  return NULL;
+  struct rs_peer *p;
+  struct evutil_addrinfo *addr;
+
+  addr = _resolv (conn, hostname, port);
+  if (!addr)
+    return NULL;
+
+  p = (struct rs_peer *) malloc (sizeof(*p));
+  if (p)
+    {
+      memset (p, 0, sizeof(struct rs_peer));
+      p->conn = conn;
+      p->s = -1;
+      p->addr = addr;
+      p->next = conn->peers;
+      if (conn->peers)
+       conn->peers->next = p;
+      else
+       conn->peers = p;
+    }
+  else
+    {
+      evutil_freeaddrinfo (addr);
+      rs_conn_err_push_fl (conn, RSE_NOMEM, __FILE__, __LINE__, NULL);
+    }
+  return p;
 }
 
-int rs_conn_add_server(struct rs_connection *conn, struct rs_peer **server, rs_conn_type_t type, const char *host, int port)
+int
+rs_conn_add_server(struct rs_connection *conn, struct rs_peer **server,
+                  rs_conn_type_t type, const char *hostname, int port)
 {
   struct rs_peer *srv;
 
@@ -104,16 +172,11 @@ int rs_conn_add_server(struct rs_connection *conn, struct rs_peer **server, rs_c
   else if (conn->type != type)
     return rs_conn_err_push (conn, RSE_CONN_TYPE_MISMATCH, NULL);
 
-  srv = (struct rs_peer *) malloc (sizeof(struct rs_peer));
+  srv = _peer_new (conn, hostname, port);
   if (srv)
     {
-      memset (srv, 0, sizeof(struct rs_peer));
-      srv->conn = conn;
-      srv->addr = _resolv (host, port);
       srv->timeout = 10;
       srv->tries = 3;
-      srv->next = conn->peers.next;
-      conn->peers.next = srv;
     }
   if (*server)
     *server = srv;
@@ -139,38 +202,52 @@ int rs_server_set_secret(struct rs_peer *server, const char *secret)
   return RSE_OK;
 }
 
-int rs_conn_add_listener(struct rs_connection *conn, rs_conn_type_t type, const char *host, int port)
+int rs_conn_add_listener(struct rs_connection *conn, rs_conn_type_t type, const char *hostname, int port)
 {
-  return RSE_NOSYS;
+  return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+                             "%s: NYI", __func__);
 }
 
-int rs_conn_destroy(struct rs_connection  *conn)
+void
+rs_conn_destroy(struct rs_connection *conn)
 {
-  return RSE_NOSYS;
+  struct rs_peer *p;
+
+#warning "TODO: Disconnect active_peer."
+
+  for (p = conn->peers; p; p = p->next)
+    {
+      if (p->addr)
+       evutil_freeaddrinfo (p->addr);
+      if (p->secret)
+       rs_free (conn->ctx, p->secret);
+    }
+
+  if (conn->evb)
+    event_base_free (conn->evb);
 }
 
 int rs_conn_set_eventbase(struct rs_connection *conn, struct event_base *eb)
 {
-  return RSE_NOSYS;
+  return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+                             "%s: NYI", __func__);
 }
 
 int rs_conn_set_callbacks(struct rs_connection *conn, struct rs_conn_callbacks *cb)
 {
-  return RSE_NOSYS;
+  return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+                             "%s: NYI", __func__);
 }
 
 int rs_conn_set_server(struct rs_connection *conn, const char *name)
 {
-  return RSE_NOSYS;
-}
-
-int rs_conn_get_server(const struct rs_connection *conn, const char *name, size_t buflen)
-{
-  return RSE_NOSYS;
+  return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
+                             "%s: NYI", __func__);
 }
 
-int rs_conn_open(struct rs_connection *conn)
+int rs_conn_get_current_server(struct rs_connection *conn, const char *name, size_t buflen)
 {
   return rs_conn_err_push_fl (conn, RSE_NOSYS, __FILE__, __LINE__,
                              "%s: NYI", __func__);
 }
+