mirror of https://gerrit.osmocom.org/libosmocore
80 lines
1.8 KiB
C
80 lines
1.8 KiB
C
/*
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* (C) 2012 by Holger Hans Peter Freyther <zecke@selfish.org>
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* All Rights Reserved
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#define _GNU_SOURCE
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#include <osmocom/core/application.h>
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#include <osmocom/gprs/gprs_ns.h>
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#include <sys/types.h>
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#include <sys/socket.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <dlfcn.h>
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int (*real_socket)(int, int, int);
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static int GR_SOCKET = -1;
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static void resolve_real(void)
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{
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if (real_socket)
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return;
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real_socket = dlsym(RTLD_NEXT, "socket");
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}
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int socket(int domain, int type, int protocol)
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{
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int fd;
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resolve_real();
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if (domain != AF_INET || type != SOCK_RAW || protocol != IPPROTO_GRE)
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return (*real_socket)(domain, type, protocol);
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/* Now call socket with a normal UDP/IP socket and assign to GR_SOCKET */
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fd = (*real_socket)(domain, SOCK_DGRAM, IPPROTO_UDP);
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GR_SOCKET = fd;
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return fd;
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}
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void bssgp_prim_cb()
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{
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}
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static const struct log_info log_info = {};
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int main(int argc, char **argv)
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{
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int rc;
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struct gprs_ns_inst *nsi;
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log_init(&log_info, NULL);
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nsi = gprs_ns_instantiate(NULL, NULL);
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nsi->frgre.enabled = 1;
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rc = gprs_ns_frgre_listen(nsi);
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printf("Result: %s\n", rc == GR_SOCKET ? "PASSED" : "FAILED");
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return rc == GR_SOCKET ? EXIT_SUCCESS : EXIT_FAILURE;
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}
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