#include <gio/gio.h>
#include <gio/gunixsocketaddress.h>
#include <glib.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "gtlsconsoleinteraction.h"
GMainLoop *loop;
gboolean verbose = FALSE;
gboolean non_blocking = FALSE;
gboolean use_udp = FALSE;
int cancel_timeout = 0;
int read_timeout = 0;
gboolean unix_socket = FALSE;
gboolean tls = FALSE;
static GOptionEntry cmd_entries[] = {
{"cancel", 'c', 0, G_OPTION_ARG_INT, &cancel_timeout,
"Cancel any op after the specified amount of seconds", NULL},
{"udp", 'u', 0, G_OPTION_ARG_NONE, &use_udp,
"Use udp instead of tcp", NULL},
{"verbose", 'v', 0, G_OPTION_ARG_NONE, &verbose,
"Be verbose", NULL},
{"non-blocking", 'n', 0, G_OPTION_ARG_NONE, &non_blocking,
"Enable non-blocking i/o", NULL},
#ifdef G_OS_UNIX
{"unix", 'U', 0, G_OPTION_ARG_NONE, &unix_socket,
"Use a unix socket instead of IP", NULL},
#endif
{"timeout", 't', 0, G_OPTION_ARG_INT, &read_timeout,
"Time out reads after the specified number of seconds", NULL},
{"tls", 'T', 0, G_OPTION_ARG_NONE, &tls,
"Use TLS (SSL)", NULL},
{NULL}
};
#include "socket-common.c"
static gboolean
accept_certificate (GTlsClientConnection *conn,
GTlsCertificate *cert,
GTlsCertificateFlags errors,
gpointer user_data)
{
g_print ("Certificate would have been rejected ( ");
if (errors & G_TLS_CERTIFICATE_UNKNOWN_CA)
g_print ("unknown-ca ");
if (errors & G_TLS_CERTIFICATE_BAD_IDENTITY)
g_print ("bad-identity ");
if (errors & G_TLS_CERTIFICATE_NOT_ACTIVATED)
g_print ("not-activated ");
if (errors & G_TLS_CERTIFICATE_EXPIRED)
g_print ("expired ");
if (errors & G_TLS_CERTIFICATE_REVOKED)
g_print ("revoked ");
if (errors & G_TLS_CERTIFICATE_INSECURE)
g_print ("insecure ");
g_print (") but accepting anyway.\n");
return TRUE;
}
static GTlsCertificate *
lookup_client_certificate (GTlsClientConnection *conn,
GError **error)
{
GList *l, *accepted;
GList *c, *certificates;
GTlsDatabase *database;
GTlsCertificate *certificate = NULL;
GTlsConnection *base;
accepted = g_tls_client_connection_get_accepted_cas (conn);
for (l = accepted; l != NULL; l = g_list_next (l))
{
base = G_TLS_CONNECTION (conn);
database = g_tls_connection_get_database (base);
certificates = g_tls_database_lookup_certificates_issued_by (database, l->data,
g_tls_connection_get_interaction (base),
G_TLS_DATABASE_LOOKUP_KEYPAIR,
NULL, error);
if (error && *error)
break;
if (certificates)
certificate = g_object_ref (certificates->data);
for (c = certificates; c != NULL; c = g_list_next (c))
g_object_unref (c->data);
g_list_free (certificates);
}
for (l = accepted; l != NULL; l = g_list_next (l))
g_byte_array_unref (l->data);
g_list_free (accepted);
if (certificate == NULL && error && !*error)
g_set_error_literal (error, G_TLS_ERROR, G_TLS_ERROR_CERTIFICATE_REQUIRED,
"Server requested a certificate, but could not find relevant certificate in database.");
return certificate;
}
static gboolean
make_connection (const char *argument,
GTlsCertificate *certificate,
GCancellable *cancellable,
GSocket **socket,
GSocketAddress **address,
GIOStream **connection,
GInputStream **istream,
GOutputStream **ostream,
GError **error)
{
GSocketType socket_type;
GSocketFamily socket_family;
GSocketAddressEnumerator *enumerator;
GSocketConnectable *connectable;
GSocketAddress *src_address;
GTlsInteraction *interaction;
GError *err = NULL;
if (use_udp)
socket_type = G_SOCKET_TYPE_DATAGRAM;
else
socket_type = G_SOCKET_TYPE_STREAM;
if (unix_socket)
socket_family = G_SOCKET_FAMILY_UNIX;
else
socket_family = G_SOCKET_FAMILY_IPV4;
*socket = g_socket_new (socket_family, socket_type, 0, error);
if (*socket == NULL)
return FALSE;
if (read_timeout)
g_socket_set_timeout (*socket, read_timeout);
if (unix_socket)
{
GSocketAddress *addr;
addr = socket_address_from_string (argument);
if (addr == NULL)
{
g_set_error (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"Could not parse '%s' as unix socket name", argument);
return FALSE;
}
connectable = G_SOCKET_CONNECTABLE (addr);
}
else
{
connectable = g_network_address_parse (argument, 7777, error);
if (connectable == NULL)
return FALSE;
}
enumerator = g_socket_connectable_enumerate (connectable);
while (TRUE)
{
*address = g_socket_address_enumerator_next (enumerator, cancellable, error);
if (*address == NULL)
{
if (error != NULL && *error == NULL)
g_set_error_literal (error, G_IO_ERROR, G_IO_ERROR_FAILED,
"No more addresses to try");
return FALSE;
}
if (g_socket_connect (*socket, *address, cancellable, &err))
break;
g_message ("Connection to %s failed: %s, trying next\n", socket_address_to_string (*address), err->message);
g_clear_error (&err);
g_object_unref (*address);
}
g_object_unref (enumerator);
g_print ("Connected to %s\n",
socket_address_to_string (*address));
src_address = g_socket_get_local_address (*socket, error);
if (!src_address)
{
g_prefix_error (error, "Error getting local address: ");
return FALSE;
}
g_print ("local address: %s\n",
socket_address_to_string (src_address));
g_object_unref (src_address);
if (use_udp)
{
*connection = NULL;
*istream = NULL;
*ostream = NULL;
}
else
*connection = G_IO_STREAM (g_socket_connection_factory_create_connection (*socket));
if (tls)
{
GIOStream *tls_conn;
tls_conn = g_tls_client_connection_new (*connection, connectable, error);
if (!tls_conn)
{
g_prefix_error (error, "Could not create TLS connection: ");
return FALSE;
}
g_signal_connect (tls_conn, "accept-certificate",
G_CALLBACK (accept_certificate), NULL);
interaction = g_tls_console_interaction_new ();
g_tls_connection_set_interaction (G_TLS_CONNECTION (tls_conn), interaction);
g_object_unref (interaction);
if (certificate)
g_tls_connection_set_certificate (G_TLS_CONNECTION (tls_conn), certificate);
g_object_unref (*connection);
*connection = G_IO_STREAM (tls_conn);
if (!g_tls_connection_handshake (G_TLS_CONNECTION (tls_conn),
cancellable, error))
{
g_prefix_error (error, "Error during TLS handshake: ");
return FALSE;
}
}
g_object_unref (connectable);
if (*connection)
{
*istream = g_io_stream_get_input_stream (*connection);
*ostream = g_io_stream_get_output_stream (*connection);
}
return TRUE;
}
int
main (int argc,
char *argv[])
{
GSocket *socket;
GSocketAddress *address;
GError *error = NULL;
GOptionContext *context;
GCancellable *cancellable;
GIOStream *connection;
GInputStream *istream;
GOutputStream *ostream;
GSocketAddress *src_address;
GTlsCertificate *certificate = NULL;
gint i;
address = NULL;
connection = NULL;
context = g_option_context_new (" <hostname>[:port] - Test GSocket client stuff");
g_option_context_add_main_entries (context, cmd_entries, NULL);
if (!g_option_context_parse (context, &argc, &argv, &error))
{
g_printerr ("%s: %s\n", argv[0], error->message);
return 1;
}
if (argc != 2)
{
g_printerr ("%s: %s\n", argv[0], "Need to specify hostname / unix socket name");
return 1;
}
if (use_udp && tls)
{
g_printerr ("DTLS (TLS over UDP) is not supported");
return 1;
}
if (cancel_timeout)
{
GThread *thread;
cancellable = g_cancellable_new ();
thread = g_thread_new ("cancel", cancel_thread, cancellable);
g_thread_unref (thread);
}
else
{
cancellable = NULL;
}
loop = g_main_loop_new (NULL, FALSE);
for (i = 0; i < 2; i++)
{
if (make_connection (argv[1], certificate, cancellable, &socket, &address,
&connection, &istream, &ostream, &error))
break;
if (g_error_matches (error, G_TLS_ERROR, G_TLS_ERROR_CERTIFICATE_REQUIRED))
{
g_clear_error (&error);
certificate = lookup_client_certificate (G_TLS_CLIENT_CONNECTION (connection), &error);
if (certificate != NULL)
continue;
}
g_printerr ("%s: %s", argv[0], error->message);
return 1;
}
/* TODO: Test non-blocking connect/handshake */
if (non_blocking)
g_socket_set_blocking (socket, FALSE);
while (TRUE)
{
gchar buffer[4096];
gssize size;
gsize to_send;
if (fgets (buffer, sizeof buffer, stdin) == NULL)
break;
to_send = strlen (buffer);
while (to_send > 0)
{
if (use_udp)
{
ensure_socket_condition (socket, G_IO_OUT, cancellable);
size = g_socket_send_to (socket, address,
buffer, to_send,
cancellable, &error);
}
else
{
ensure_connection_condition (connection, G_IO_OUT, cancellable);
size = g_output_stream_write (ostream,
buffer, to_send,
cancellable, &error);
}
if (size < 0)
{
if (g_error_matches (error,
G_IO_ERROR,
G_IO_ERROR_WOULD_BLOCK))
{
g_print ("socket send would block, handling\n");
g_error_free (error);
error = NULL;
continue;
}
else
{
g_printerr ("Error sending to socket: %s\n",
error->message);
return 1;
}
}
g_print ("sent %" G_GSSIZE_FORMAT " bytes of data\n", size);
if (size == 0)
{
g_printerr ("Unexpected short write\n");
return 1;
}
to_send -= size;
}
if (use_udp)
{
ensure_socket_condition (socket, G_IO_IN, cancellable);
size = g_socket_receive_from (socket, &src_address,
buffer, sizeof buffer,
cancellable, &error);
}
else
{
ensure_connection_condition (connection, G_IO_IN, cancellable);
size = g_input_stream_read (istream,
buffer, sizeof buffer,
cancellable, &error);
}
if (size < 0)
{
g_printerr ("Error receiving from socket: %s\n",
error->message);
return 1;
}
if (size == 0)
break;
g_print ("received %" G_GSSIZE_FORMAT " bytes of data", size);
if (use_udp)
g_print (" from %s", socket_address_to_string (src_address));
g_print ("\n");
if (verbose)
g_print ("-------------------------\n"
"%.*s"
"-------------------------\n",
(int)size, buffer);
}
g_print ("closing socket\n");
if (connection)
{
if (!g_io_stream_close (connection, cancellable, &error))
{
g_printerr ("Error closing connection: %s\n",
error->message);
return 1;
}
g_object_unref (connection);
}
else
{
if (!g_socket_close (socket, &error))
{
g_printerr ("Error closing master socket: %s\n",
error->message);
return 1;
}
}
g_object_unref (socket);
g_object_unref (address);
return 0;
}