| /* |
| * (C) 2012 by Holger Hans Peter Freyther <zecke@selfish.org> |
| * All Rights Reserved |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License along |
| * with this program; if not, write to the Free Software Foundation, Inc., |
| * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| */ |
| |
| #define _GNU_SOURCE |
| #include <osmocom/core/application.h> |
| |
| #include <osmocom/gprs/gprs_ns.h> |
| |
| #include <sys/types.h> |
| #include <sys/socket.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| |
| #include <dlfcn.h> |
| |
| int (*real_socket)(int, int, int); |
| |
| static int GR_SOCKET = -1; |
| |
| static void resolve_real(void) |
| { |
| if (real_socket) |
| return; |
| real_socket = dlsym(RTLD_NEXT, "socket"); |
| } |
| |
| int socket(int domain, int type, int protocol) |
| { |
| int fd; |
| |
| resolve_real(); |
| if (domain != AF_INET || type != SOCK_RAW || protocol != IPPROTO_GRE) |
| return (*real_socket)(domain, type, protocol); |
| |
| /* Now call socket with a normal UDP/IP socket and assign to GR_SOCKET */ |
| fd = (*real_socket)(domain, SOCK_DGRAM, IPPROTO_UDP); |
| GR_SOCKET = fd; |
| return fd; |
| } |
| |
| void bssgp_prim_cb() |
| { |
| } |
| |
| static const struct log_info log_info = {}; |
| |
| int main(int argc, char **argv) |
| { |
| int rc; |
| struct gprs_ns_inst *nsi; |
| |
| log_init(&log_info, NULL); |
| |
| nsi = gprs_ns_instantiate(NULL, NULL); |
| nsi->frgre.enabled = 1; |
| |
| rc = gprs_ns_frgre_listen(nsi); |
| printf("Result: %s\n", rc == GR_SOCKET ? "PASSED" : "FAILED"); |
| return rc == GR_SOCKET ? EXIT_SUCCESS : EXIT_FAILURE; |
| } |
| |
| |