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-rw-r--r--src/libcommon/socket.c108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/libcommon/socket.c b/src/libcommon/socket.c
new file mode 100644
index 00000000..47778e74
--- /dev/null
+++ b/src/libcommon/socket.c
@@ -0,0 +1,108 @@
+/* OpenBSC sokcet code, taken from Abis input driver for ip.access */
+
+/* (C) 2009 by Harald Welte <laforge@gnumonks.org>
+ * (C) 2010 by Holger Hans Peter Freyther
+ * (C) 2010 by On-Waves
+ *
+ * All Rights Reserved
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation; either version 3 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdlib.h>
+#include <errno.h>
+#include <string.h>
+#include <time.h>
+#include <sys/fcntl.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/ioctl.h>
+#include <arpa/inet.h>
+
+#include <osmocore/select.h>
+#include <osmocore/tlv.h>
+#include <osmocore/msgb.h>
+#include <openbsc/debug.h>
+#include <openbsc/gsm_data.h>
+#include <osmocore/talloc.h>
+
+int make_sock(struct bsc_fd *bfd, int proto, u_int32_t ip, u_int16_t port,
+ int (*cb)(struct bsc_fd *fd, unsigned int what))
+{
+ struct sockaddr_in addr;
+ int ret, on = 1;
+ int type = SOCK_STREAM;
+
+ switch (proto) {
+ case IPPROTO_TCP:
+ type = SOCK_STREAM;
+ break;
+ case IPPROTO_UDP:
+ type = SOCK_DGRAM;
+ break;
+ case IPPROTO_GRE:
+ type = SOCK_RAW;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ bfd->fd = socket(AF_INET, type, proto);
+ bfd->cb = cb;
+ bfd->when = BSC_FD_READ;
+ //bfd->data = line;
+
+ if (bfd->fd < 0) {
+ LOGP(DINP, LOGL_ERROR, "could not create socket.\n");
+ return -EIO;
+ }
+
+ memset(&addr, 0, sizeof(addr));
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ if (ip)
+ addr.sin_addr.s_addr = htonl(ip);
+ else
+ addr.sin_addr.s_addr = INADDR_ANY;
+
+ setsockopt(bfd->fd, SOL_SOCKET, SO_REUSEADDR, &on, sizeof(on));
+
+ ret = bind(bfd->fd, (struct sockaddr *) &addr, sizeof(addr));
+ if (ret < 0) {
+ LOGP(DINP, LOGL_ERROR, "could not bind socket %s\n",
+ strerror(errno));
+ close(bfd->fd);
+ return -EIO;
+ }
+
+ if (proto == IPPROTO_TCP) {
+ ret = listen(bfd->fd, 1);
+ if (ret < 0) {
+ perror("listen");
+ close(bfd->fd);
+ return ret;
+ }
+ }
+
+ ret = bsc_register_fd(bfd);
+ if (ret < 0) {
+ perror("register_listen_fd");
+ close(bfd->fd);
+ return ret;
+ }
+ return 0;
+}