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/*
* Copyright 1999-2006 University of Chicago
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "globus_ftp_control.h"
#include <string.h>
#include "globus_preload.h"
static globus_bool_t g_done;
void
error_msg(
globus_result_t res,
int line)
{
globus_object_t * error;
if(res != GLOBUS_SUCCESS)
{
error = globus_error_get(res);
printf("Error: %s\n", globus_object_printable_to_string(error));
printf("At Line: %d\n", line);
assert(0);
}
}
void
gpftpd_cmd_response_callback(
void * callback_arg,
globus_ftp_control_handle_t * handle,
globus_object_t * error)
{
}
void gpftpd_command_callback(
void *callback_arg,
struct globus_ftp_control_handle_s *handle,
globus_object_t *error,
union globus_ftp_control_command_u *command)
{
if(command)
{
switch(command->code)
{
case GLOBUS_FTP_CONTROL_COMMAND_OPTS:
case GLOBUS_FTP_CONTROL_COMMAND_AUTH:
case GLOBUS_FTP_CONTROL_COMMAND_ADAT:
case GLOBUS_FTP_CONTROL_COMMAND_SPAS:
case GLOBUS_FTP_CONTROL_COMMAND_SPOR:
case GLOBUS_FTP_CONTROL_COMMAND_PORT:
case GLOBUS_FTP_CONTROL_COMMAND_PASV:
case GLOBUS_FTP_CONTROL_COMMAND_SITE:
case GLOBUS_FTP_CONTROL_COMMAND_TYPE:
case GLOBUS_FTP_CONTROL_COMMAND_DELE:
case GLOBUS_FTP_CONTROL_COMMAND_FEAT:
case GLOBUS_FTP_CONTROL_COMMAND_ERET:
case GLOBUS_FTP_CONTROL_COMMAND_ESTO:
case GLOBUS_FTP_CONTROL_COMMAND_RMD:
case GLOBUS_FTP_CONTROL_COMMAND_MKD:
case GLOBUS_FTP_CONTROL_COMMAND_PWD:
abort();
case GLOBUS_FTP_CONTROL_COMMAND_CWD:
chdir(command->cwd.string_arg);
globus_ftp_control_send_response(
handle,
"250 Requested file action okay, completed.",
gpftpd_cmd_response_callback,
callback_arg);
break;
case GLOBUS_FTP_CONTROL_COMMAND_CDUP:
abort();
case GLOBUS_FTP_CONTROL_COMMAND_NLST:
case GLOBUS_FTP_CONTROL_COMMAND_HELP:
case GLOBUS_FTP_CONTROL_COMMAND_STAT:
case GLOBUS_FTP_CONTROL_COMMAND_NOOP:
case GLOBUS_FTP_CONTROL_COMMAND_SYST:
case GLOBUS_FTP_CONTROL_COMMAND_STOU:
case GLOBUS_FTP_CONTROL_COMMAND_QUIT:
case GLOBUS_FTP_CONTROL_COMMAND_REIN:
case GLOBUS_FTP_CONTROL_COMMAND_ABOR:
case GLOBUS_FTP_CONTROL_COMMAND_ALLO:
case GLOBUS_FTP_CONTROL_COMMAND_MODE:
case GLOBUS_FTP_CONTROL_COMMAND_STRU:
case GLOBUS_FTP_CONTROL_COMMAND_ACCT:
case GLOBUS_FTP_CONTROL_COMMAND_PASS:
case GLOBUS_FTP_CONTROL_COMMAND_USER:
case GLOBUS_FTP_CONTROL_COMMAND_SMNT:
case GLOBUS_FTP_CONTROL_COMMAND_LIST:
case GLOBUS_FTP_CONTROL_COMMAND_RETR:
case GLOBUS_FTP_CONTROL_COMMAND_REST:
case GLOBUS_FTP_CONTROL_COMMAND_SBUF:
case GLOBUS_FTP_CONTROL_COMMAND_SIZE:
case GLOBUS_FTP_CONTROL_COMMAND_STOR:
case GLOBUS_FTP_CONTROL_COMMAND_APPE:
case GLOBUS_FTP_CONTROL_COMMAND_RNFR:
case GLOBUS_FTP_CONTROL_COMMAND_RNTO:
case GLOBUS_FTP_CONTROL_COMMAND_LANG:
case GLOBUS_FTP_CONTROL_COMMAND_UNKNOWN:
abort();
}
}
}
void
gpftpd_ac_response_callback(
void * callback_arg,
globus_ftp_control_handle_t * handle,
globus_object_t * error)
{
globus_result_t result;
result = globus_ftp_control_read_commands(
handle,
gpftpd_command_callback,
callback_arg);
}
/*
*
*/
void
gpftpd_auth_callback(
void * callback_arg,
globus_ftp_control_handle_t * handle,
globus_object_t * error,
globus_ftp_control_auth_info_t * auth_result)
{
globus_result_t res;
char * username;
globus_bool_t accepted;
if(error)
{
error_msg(globus_error_put(error), __LINE__);
}
accepted = GLOBUS_FALSE;
if(strcmp(auth_result->user, ":globus-mapping:") == 0 &&
globus_gss_assist_gridmap(
auth_result->auth_gssapi_subject, &username) == 0)
{
accepted = GLOBUS_TRUE;
}
else if(strcmp(auth_result->user, "ftp") == 0 ||
strcmp(auth_result->user, "anonymous") == 0)
{
accepted = GLOBUS_TRUE;
username = auth_result->user;
}
if(accepted)
{
res = globus_ftp_control_send_response(
handle,
"230 User %s logged on.\r\n",
gpftpd_ac_response_callback,
callback_arg,
username);
}
else
{
res = globus_ftp_control_send_response(
handle,
"530 No local mapping for Globus ID.\r\n",
gpftpd_ac_response_callback,
callback_arg);
}
error_msg(res, __LINE__);
}
void
gpftpd_response_callback(
void * callback_arg,
globus_ftp_control_handle_t * handle,
globus_object_t * error)
{
globus_result_t res;
globus_ftp_control_auth_requirements_t auth_req;
if(error)
{
error_msg(globus_error_put(error), __LINE__);
}
auth_req = GLOBUS_FTP_CONTROL_AUTH_REQ_GSSAPI |
GLOBUS_FTP_CONTROL_AUTH_REQ_USER |
GLOBUS_FTP_CONTROL_AUTH_REQ_PASS;
res = globus_ftp_control_server_authenticate(
handle,
auth_req,
gpftpd_auth_callback,
callback_arg);
error_msg(res, __LINE__);
}
void
gpftpd_accept_callback(
void * callback_arg,
globus_ftp_control_handle_t * handle,
globus_object_t * error)
{
globus_result_t res;
if(error)
{
error_msg(globus_error_put(error), __LINE__);
}
res = globus_ftp_control_send_response(
handle,
"220 Globus GridFTP Test Server\r\n",
gpftpd_response_callback,
callback_arg);
}
void
gpftpd_listen_callback(
void * callback_arg,
globus_ftp_control_server_t * server_handle,
globus_object_t * error)
{
globus_ftp_control_handle_t * new_handle;
globus_result_t res;
if(error)
{
error_msg(globus_error_put(error), __LINE__);
}
new_handle = (globus_ftp_control_handle_t *)
globus_malloc(sizeof(globus_ftp_control_handle_t));
res = globus_ftp_control_handle_init(new_handle);
error_msg(res, __LINE__);
res = globus_ftp_control_server_accept(
server_handle,
new_handle,
gpftpd_accept_callback,
callback_arg);
error_msg(res, __LINE__);
}
int
main(
int argc,
char * argv[])
{
unsigned short port = 0;
int rc;
globus_result_t res;
globus_ftp_control_server_t server_handle;
LTDL_SET_PRELOADED_SYMBOLS();
rc = globus_module_activate(GLOBUS_FTP_CONTROL_MODULE);
if (rc != GLOBUS_SUCCESS)
{
fprintf(stderr, "Error activating GLOBUS_FTP_CONTROL_MODULE: %s\n",
globus_error_print_friendly(globus_error_peek(rc)));
exit(EXIT_FAILURE);
}
res = globus_ftp_control_server_handle_init(&server_handle);
error_msg(res, __LINE__);
res = globus_ftp_control_server_listen(
&server_handle,
&port,
gpftpd_listen_callback,
NULL);
error_msg(res, __LINE__);
printf("%d\n", port);
fflush(stdout);
while(!g_done)
{
globus_poll();
}
return 0;
}
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