--- /dev/null
- AC_CHECK_HEADERS(execinfo.h sys/select.h syslog.h ctype.h)
+AC_INIT([libosmocore],
+ m4_esyscmd([./git-version-gen .tarball-version]),
+ [openbsc-devel@lists.openbsc.org])
+
+AM_INIT_AUTOMAKE([dist-bzip2])
+
+dnl kernel style compile messages
+m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
+
+dnl checks for programs
+AC_PROG_MAKE_SET
+AC_PROG_CC
+AC_PROG_INSTALL
+LT_INIT
+AC_PROG_LIBTOOL
+
+AC_CONFIG_MACRO_DIR([m4])
+
+dnl checks for header files
+AC_HEADER_STDC
++AC_CHECK_HEADERS(execinfo.h sys/select.h sys/socket.h syslog.h ctype.h)
+
+# The following test is taken from WebKit's webkit.m4
+saved_CFLAGS="$CFLAGS"
+CFLAGS="$CFLAGS -fvisibility=hidden "
+AC_MSG_CHECKING([if ${CC} supports -fvisibility=hidden])
+AC_COMPILE_IFELSE([char foo;],
+ [ AC_MSG_RESULT([yes])
+ SYMBOL_VISIBILITY="-fvisibility=hidden"],
+ AC_MSG_RESULT([no]))
+CFLAGS="$saved_CFLAGS"
+AC_SUBST(SYMBOL_VISIBILITY)
+
+dnl Generate the output
+AM_CONFIG_HEADER(config.h)
+
+AC_ARG_ENABLE(talloc,
+ [AS_HELP_STRING(
+ [--disable-talloc],
+ [Disable building talloc memory allocator]
+ )],
+ [enable_talloc=0], [enable_talloc=1])
+AM_CONDITIONAL(ENABLE_TALLOC, test "x$enable_talloc" = "x1")
+
+AC_ARG_ENABLE(plugin,
+ [AS_HELP_STRING(
+ [--disable-plugin],
+ [Disable support for dlopen plugins],
+ )],
+ [enable_plugin=0], [enable_plugin=1])
+AM_CONDITIONAL(ENABLE_PLUGIN, test "x$enable_plugin" = "x1")
+
+AC_ARG_ENABLE(tests,
+ [AS_HELP_STRING(
+ [--disable-tests],
+ [Disable building test programs]
+ )],
+ [enable_tests=0], [enable_tests=1])
+AM_CONDITIONAL(ENABLE_TESTS, test "x$enable_tests" = "x1")
+
+AC_ARG_ENABLE(vty,
+ [AS_HELP_STRING(
+ [--disable-vty],
+ [Disable building VTY telnet interface]
+ )],
+ [enable_vty=0], [enable_vty=1])
+AM_CONDITIONAL(ENABLE_VTY, test "x$enable_vty" = "x1")
+
+AC_ARG_ENABLE(panic_infloop,
+ [AS_HELP_STRING(
+ [--enable-panic-infloop],
+ [Trigger infinite loop on panic rather than fprintf/abort]
+ )],
+ [panic_infloop=1], [panic_infloop=0])
+if test "x$panic_infloop" = "x1"
+then
+ AC_DEFINE([PANIC_INFLOOP],[1],[Use infinite loop on panic rather than fprintf/abort])
+fi
+
+AC_ARG_ENABLE(bsc_fd_check,
+ [AS_HELP_STRING(
+ [--enable-bsc-fd-check],
+ [Instrument bsc_register_fd to check that the fd is registered]
+ )],
+ [fd_check=1], [fd_check=0])
+if test "x$fd_check" = "x1"
+then
+ AC_DEFINE([BSC_FD_CHECK],[1],[Instrument the bsc_register_fd])
+fi
+
+AC_ARG_ENABLE(msgfile,
+ [AS_HELP_STRING(
+ [--disable-msgfile],
+ [Disable support for the msgfile],
+ )],
+ [enable_msgfile=0], [enable_msgfile=1])
+AM_CONDITIONAL(ENABLE_MSGFILE, test "x$enable_msgfile" = "x1")
+
+
+AC_OUTPUT(
+ libosmocore.pc
+ libosmocodec.pc
+ libosmovty.pc
+ libosmogsm.pc
+ include/osmocom/Makefile
+ include/osmocom/vty/Makefile
+ include/osmocom/codec/Makefile
+ include/osmocom/crypt/Makefile
+ include/osmocom/gsm/Makefile
+ include/osmocom/gsm/protocol/Makefile
+ include/osmocom/core/Makefile
+ include/Makefile
+ src/Makefile
+ src/vty/Makefile
+ src/codec/Makefile
+ src/gsm/Makefile
+ tests/Makefile
+ tests/timer/Makefile
+ tests/sms/Makefile
+ tests/msgfile/Makefile
+ tests/ussd/Makefile
+ tests/smscb/Makefile
+ Makefile)
--- /dev/null
- #include <sys/socket.h>
+#ifndef _OSMOCORE_SOCKET_H
+#define _OSMOCORE_SOCKET_H
+
+#include <stdint.h>
- int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen);
++
++struct sockaddr;
+
+int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
+ const char *host, uint16_t port, int connect0_bind1);
+
+int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
+ uint8_t proto, int connect0_bind1);
+
+/* determine if the given address is a local address */
++int osmo_sockaddr_is_local(struct sockaddr *addr, unsigned int addrlen);
+
+#endif /* _OSMOCORE_SOCKET_H */
--- /dev/null
- #include <arpa/inet.h>
- #include <sys/socket.h>
+/* GSMTAP support code in libmsomcore */
+/*
+ * (C) 2010-2011 by Harald Welte <laforge@gnumonks.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.
+ *
+ */
+
+#include "../config.h"
+
+#include <osmocom/core/gsmtap_util.h>
+#include <osmocom/core/logging.h>
+#include <osmocom/core/gsmtap.h>
+#include <osmocom/core/msgb.h>
+#include <osmocom/core/talloc.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/socket.h>
+#include <osmocom/gsm/protocol/gsm_04_08.h>
+#include <osmocom/gsm/rsl.h>
+
- #include <netinet/in.h>
+#include <sys/types.h>
- #ifdef HAVE_SYS_SELECT_H
-
++
++#include <arpa/inet.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+
+uint8_t chantype_rsl2gsmtap(uint8_t rsl_chantype, uint8_t link_id)
+{
+ uint8_t ret = GSMTAP_CHANNEL_UNKNOWN;
+
+ switch (rsl_chantype) {
+ case RSL_CHAN_Bm_ACCHs:
+ ret = GSMTAP_CHANNEL_TCH_F;
+ break;
+ case RSL_CHAN_Lm_ACCHs:
+ ret = GSMTAP_CHANNEL_TCH_H;
+ break;
+ case RSL_CHAN_SDCCH4_ACCH:
+ ret = GSMTAP_CHANNEL_SDCCH4;
+ break;
+ case RSL_CHAN_SDCCH8_ACCH:
+ ret = GSMTAP_CHANNEL_SDCCH8;
+ break;
+ case RSL_CHAN_BCCH:
+ ret = GSMTAP_CHANNEL_BCCH;
+ break;
+ case RSL_CHAN_RACH:
+ ret = GSMTAP_CHANNEL_RACH;
+ break;
+ case RSL_CHAN_PCH_AGCH:
+ /* it could also be AGCH... */
+ ret = GSMTAP_CHANNEL_PCH;
+ break;
+ }
+
+ if (link_id & 0x40)
+ ret |= GSMTAP_CHANNEL_ACCH;
+
+ return ret;
+}
+
+/* receive a message from L1/L2 and put it in GSMTAP */
+struct msgb *gsmtap_makemsg(uint16_t arfcn, uint8_t ts, uint8_t chan_type,
+ uint8_t ss, uint32_t fn, int8_t signal_dbm,
+ uint8_t snr, const uint8_t *data, unsigned int len)
+{
+ struct msgb *msg;
+ struct gsmtap_hdr *gh;
+ uint8_t *dst;
+
+ msg = msgb_alloc(sizeof(*gh) + len, "gsmtap_tx");
+ if (!msg)
+ return NULL;
+
+ gh = (struct gsmtap_hdr *) msgb_put(msg, sizeof(*gh));
+
+ gh->version = GSMTAP_VERSION;
+ gh->hdr_len = sizeof(*gh)/4;
+ gh->type = GSMTAP_TYPE_UM;
+ gh->timeslot = ts;
+ gh->sub_slot = ss;
+ gh->arfcn = htons(arfcn);
+ gh->snr_db = snr;
+ gh->signal_dbm = signal_dbm;
+ gh->frame_number = htonl(fn);
+ gh->sub_type = chan_type;
+ gh->antenna_nr = 0;
+
+ dst = msgb_put(msg, len);
+ memcpy(dst, data, len);
+
+ return msg;
+}
+
++#ifdef HAVE_SYS_SOCKET_H
++
++#include <sys/socket.h>
++#include <netinet/in.h>
++
+/* Open a GSMTAP source (sending) socket, conncet it to host/port and
+ * return resulting fd */
+int gsmtap_source_init_fd(const char *host, uint16_t port)
+{
+ if (port == 0)
+ port = GSMTAP_UDP_PORT;
+ if (host == NULL)
+ host = "localhost";
+
+ return osmo_sock_init(AF_UNSPEC, SOCK_DGRAM, IPPROTO_UDP, host, port, 0);
+}
+
+int gsmtap_source_add_sink_fd(int gsmtap_fd)
+{
+ struct sockaddr_storage ss;
+ socklen_t ss_len = sizeof(ss);
+ int rc;
+
+ rc = getpeername(gsmtap_fd, (struct sockaddr *)&ss, &ss_len);
+ if (rc < 0)
+ return rc;
+
+ if (osmo_sockaddr_is_local((struct sockaddr *)&ss, ss_len) == 1) {
+ rc = osmo_sock_init_sa((struct sockaddr *)&ss, SOCK_DGRAM, IPPROTO_UDP, 1);
+ if (rc >= 0)
+ return rc;
+ }
+
+ return -ENODEV;
+}
+
- #endif /* HAVE_SYS_SELECT_H */
+int gsmtap_sendmsg(struct gsmtap_inst *gti, struct msgb *msg)
+{
+ if (gti->ofd_wq_mode)
+ return osmo_wqueue_enqueue(>i->wq, msg);
+ else {
+ /* try immediate send and return error if any */
+ int rc;
+
+ rc = write(gsmtap_inst_fd(gti), msg->data, msg->len);
+ if (rc <= 0) {
+ return rc;
+ } else if (rc >= msg->len) {
+ msgb_free(msg);
+ return 0;
+ } else {
+ /* short write */
+ return -EIO;
+ }
+ }
+}
+
+/* receive a message from L1/L2 and put it in GSMTAP */
+int gsmtap_send(struct gsmtap_inst *gti, uint16_t arfcn, uint8_t ts,
+ uint8_t chan_type, uint8_t ss, uint32_t fn,
+ int8_t signal_dbm, uint8_t snr, const uint8_t *data,
+ unsigned int len)
+{
+ struct msgb *msg;
+
+ msg = gsmtap_makemsg(arfcn, ts, chan_type, ss, fn, signal_dbm,
+ snr, data, len);
+ if (!msg)
+ return -ENOMEM;
+
+ return gsmtap_sendmsg(gti, msg);
+}
+
+/* Callback from select layer if we can write to the socket */
+static int gsmtap_wq_w_cb(struct osmo_fd *ofd, struct msgb *msg)
+{
+ int rc;
+
+ rc = write(ofd->fd, msg->data, msg->len);
+ if (rc < 0) {
+ perror("writing msgb to gsmtap fd");
+ msgb_free(msg);
+ return rc;
+ }
+ if (rc != msg->len) {
+ perror("short write to gsmtap fd");
+ msgb_free(msg);
+ return -EIO;
+ }
+
+ msgb_free(msg);
+ return 0;
+}
+
+/* Callback from select layer if we can read from the sink socket */
+static int gsmtap_sink_fd_cb(struct osmo_fd *fd, unsigned int flags)
+{
+ int rc;
+ uint8_t buf[4096];
+
+ if (!(flags & BSC_FD_READ))
+ return 0;
+
+ rc = read(fd->fd, buf, sizeof(buf));
+ if (rc < 0) {
+ perror("reading from gsmtap sink fd");
+ return rc;
+ }
+ /* simply discard any data arriving on the socket */
+
+ return 0;
+}
+
+/* Add a local sink to an existing GSMTAP source instance */
+int gsmtap_source_add_sink(struct gsmtap_inst *gti)
+{
+ int fd;
+
+ fd = gsmtap_source_add_sink_fd(gsmtap_inst_fd(gti));
+ if (fd < 0)
+ return fd;
+
+ if (gti->ofd_wq_mode) {
+ struct osmo_fd *sink_ofd;
+
+ sink_ofd = >i->sink_ofd;
+ sink_ofd->fd = fd;
+ sink_ofd->when = BSC_FD_READ;
+ sink_ofd->cb = gsmtap_sink_fd_cb;
+
+ osmo_fd_register(sink_ofd);
+ }
+
+ return fd;
+}
+
+/* like gsmtap_init2() but integrated with libosmocore select.c */
+struct gsmtap_inst *gsmtap_source_init(const char *host, uint16_t port,
+ int ofd_wq_mode)
+{
+ struct gsmtap_inst *gti;
+ int fd;
+
+ fd = gsmtap_source_init_fd(host, port);
+ if (fd < 0)
+ return NULL;
+
+ gti = talloc_zero(NULL, struct gsmtap_inst);
+ gti->ofd_wq_mode = ofd_wq_mode;
+ gti->wq.bfd.fd = fd;
+ gti->sink_ofd.fd = -1;
+
+ if (ofd_wq_mode) {
+ osmo_wqueue_init(>i->wq, 64);
+ gti->wq.write_cb = &gsmtap_wq_w_cb;
+
+ osmo_fd_register(>i->wq.bfd);
+ }
+
+ return gti;
+}
+
++#endif /* HAVE_SYS_SOCKET_H */
--- /dev/null
- const struct sockaddr *b, socklen_t len)
+#include "../config.h"
+
++#ifdef HAVE_SYS_SOCKET_H
++
+#include <osmocom/core/logging.h>
+#include <osmocom/core/select.h>
+#include <osmocom/core/socket.h>
+
+#include <arpa/inet.h>
+#include <sys/socket.h>
+#include <sys/types.h>
+#include <netinet/in.h>
+
+#include <stdio.h>
+#include <unistd.h>
+#include <stdint.h>
+#include <string.h>
+#include <errno.h>
+#include <netdb.h>
+#include <ifaddrs.h>
+
+int osmo_sock_init(uint16_t family, uint16_t type, uint8_t proto,
+ const char *host, uint16_t port, int connect0_bind1)
+{
+ struct addrinfo hints, *result, *rp;
+ int sfd, rc;
+ char portbuf[16];
+
+ sprintf(portbuf, "%u", port);
+ memset(&hints, 0, sizeof(struct addrinfo));
+ hints.ai_family = family;
+ hints.ai_socktype = type;
+ hints.ai_flags = 0;
+ hints.ai_protocol = proto;
+
+ rc = getaddrinfo(host, portbuf, &hints, &result);
+ if (rc != 0) {
+ perror("getaddrinfo returned NULL");
+ return -EINVAL;
+ }
+
+ for (rp = result; rp != NULL; rp = rp->ai_next) {
+ sfd = socket(rp->ai_family, rp->ai_socktype, rp->ai_protocol);
+ if (sfd == -1)
+ continue;
+ if (connect0_bind1 == 0) {
+ if (connect(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
+ break;
+ } else {
+ if (bind(sfd, rp->ai_addr, rp->ai_addrlen) != -1)
+ break;
+ }
+ close(sfd);
+ }
+ freeaddrinfo(result);
+
+ if (rp == NULL) {
+ perror("unable to connect/bind socket");
+ return -ENODEV;
+ }
+ return sfd;
+}
+
+int osmo_sock_init_sa(struct sockaddr *ss, uint16_t type,
+ uint8_t proto, int connect0_bind1)
+{
+ char host[NI_MAXHOST];
+ uint16_t port;
+ struct sockaddr_in *sin;
+ struct sockaddr_in6 *sin6;
+ int s, sa_len;
+
+ /* determine port and host from ss */
+ switch (ss->sa_family) {
+ case AF_INET:
+ sin = (struct sockaddr_in *) ss;
+ sa_len = sizeof(struct sockaddr_in);
+ port = ntohs(sin->sin_port);
+ break;
+ case AF_INET6:
+ sin6 = (struct sockaddr_in6 *) ss;
+ sa_len = sizeof(struct sockaddr_in6);
+ port = ntohs(sin6->sin6_port);
+ break;
+ default:
+ return -EINVAL;
+ }
+ fprintf(stderr, "==> PORT = %u\n", port);
+
+ s = getnameinfo(ss, sa_len, host, NI_MAXHOST,
+ NULL, 0, NI_NUMERICHOST);
+ if (s != 0) {
+ perror("getnameinfo failed");
+ return s;
+ }
+
+ return osmo_sock_init(ss->sa_family, type, proto, host,
+ port, connect0_bind1);
+}
+
+static int sockaddr_equal(const struct sockaddr *a,
++ const struct sockaddr *b, unsigned int len)
+{
+ struct sockaddr_in *sin_a, *sin_b;
+ struct sockaddr_in6 *sin6_a, *sin6_b;
+
+ if (a->sa_family != b->sa_family)
+ return 0;
+
+ switch (a->sa_family) {
+ case AF_INET:
+ sin_a = (struct sockaddr_in *)a;
+ sin_b = (struct sockaddr_in *)b;
+ if (!memcmp(&sin_a->sin_addr, &sin_b->sin_addr,
+ sizeof(struct in_addr)))
+ return 1;
+ break;
+ case AF_INET6:
+ sin6_a = (struct sockaddr_in6 *)a;
+ sin6_b = (struct sockaddr_in6 *)b;
+ if (!memcmp(&sin6_a->sin6_addr, &sin6_b->sin6_addr,
+ sizeof(struct in6_addr)))
+ return 1;
+ break;
+ }
+ return 0;
+}
+
+/* determine if the given address is a local address */
+int osmo_sockaddr_is_local(struct sockaddr *addr, socklen_t addrlen)
+{
+ struct ifaddrs *ifaddr, *ifa;
+
+ if (getifaddrs(&ifaddr) == -1) {
+ perror("getifaddrs");
+ return -EIO;
+ }
+
+ for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
+ if (sockaddr_equal(ifa->ifa_addr, addr, addrlen))
+ return 1;
+ }
+
+ return 0;
+}
++
++#endif /* HAVE_SYS_SOCKET_H */
projects / osmocom-bb.git / commitdiff