Add global init and deinit functions.
Signed-off-by: Eric Leblond <[email protected]>
---
configure.ac | 4 ++++
include/Makefile.am | 2 +-
include/nftables/Makefile.am | 2 ++
include/nftables/nftables.h | 20 +++++++++++++++++
src/Makefile.am | 26 +++++++++++++---------
src/libnftables.c | 53 ++++++++++++++++++++++++++++++++++++++++++++
src/main.c | 27 +++-------------------
7 files changed, 99 insertions(+), 35 deletions(-)
create mode 100644 include/nftables/Makefile.am
create mode 100644 include/nftables/nftables.h
create mode 100644 src/libnftables.c
diff --git a/configure.ac b/configure.ac
index bef6c0b..91273ce 100644
--- a/configure.ac
+++ b/configure.ac
@@ -56,6 +56,9 @@ then
exit 1
fi
+AM_PROG_AR
+AM_PROG_LIBTOOL
+
AC_CHECK_PROG(DOCBOOK2X_MAN, [docbook2x-man], [docbook2x-man], [no])
AC_CHECK_PROG(DOCBOOK2MAN, [docbook2man], [docbook2man], [no])
AC_CHECK_PROG(DB2X_DOCBOOK2MAN, [db2x_docbook2man], [db2x_docbook2man], [no])
@@ -146,6 +149,7 @@ AC_CONFIG_FILES([ \
include/linux/netfilter_bridge/Makefile \
include/linux/netfilter_ipv4/Makefile \
include/linux/netfilter_ipv6/Makefile \
+ include/nftables/Makefile \
doc/Makefile \
files/Makefile \
files/nftables/Makefile \
diff --git a/include/Makefile.am b/include/Makefile.am
index 5dd73d8..caa6961 100644
--- a/include/Makefile.am
+++ b/include/Makefile.am
@@ -1,4 +1,4 @@
-SUBDIRS = linux
+SUBDIRS = linux nftables
noinst_HEADERS = cli.h \
datatype.h \
diff --git a/include/nftables/Makefile.am b/include/nftables/Makefile.am
new file mode 100644
index 0000000..a14b188
--- /dev/null
+++ b/include/nftables/Makefile.am
@@ -0,0 +1,2 @@
+pkginclude_HEADERS = nftables.h
+
diff --git a/include/nftables/nftables.h b/include/nftables/nftables.h
new file mode 100644
index 0000000..4ba16f0
--- /dev/null
+++ b/include/nftables/nftables.h
@@ -0,0 +1,20 @@
+/*
+ * Copyright (c) 2017 Eric Leblond <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#ifndef LIB_NFTABLES_H
+#define LIB_NFTABLES_H
+
+#include <stdlib.h>
+#include <stdint.h>
+#include <stdbool.h>
+
+void nft_global_init(void);
+void nft_global_deinit(void);
+
+#endif
diff --git a/src/Makefile.am b/src/Makefile.am
index 99eef7b..a340d39 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -27,8 +27,9 @@ parser_bison.o scanner.o: AM_CFLAGS +=
-Wno-missing-prototypes -Wno-missing-decl
BUILT_SOURCES = parser_bison.h
-nft_SOURCES = main.c \
- rule.c \
+lib_LTLIBRARIES = libnftables.la
+
+libnftables_la_SOURCES = rule.c \
statement.c \
datatype.c \
expression.c \
@@ -54,23 +55,28 @@ nft_SOURCES = main.c \
iface.c \
services.c \
mergesort.c \
+ libnftables.c \
scanner.l \
tcpopt.c \
parser_bison.y
-if BUILD_CLI
-nft_SOURCES += cli.c
-endif
-
if BUILD_MINIGMP
mini-gmp.o: AM_CFLAGS += -Wno-sign-compare
-nft_SOURCES += mini-gmp.c
+libnftables_la_SOURCES += mini-gmp.c
endif
-nft_LDADD = ${LIBMNL_LIBS} ${LIBNFTNL_LIBS}
+nft_SOURCES = main.c
+
+if BUILD_CLI
+nft_SOURCES += cli.c
+endif
+
+libnftables_la_LIBADD = ${LIBMNL_LIBS} ${LIBNFTNL_LIBS}
if BUILD_XTABLES
-nft_SOURCES += xt.c
-nft_LDADD += ${XTABLES_LIBS}
+libnftables_la_SOURCES += xt.c
+libnftables_la_LIBADD += ${XTABLES_LIBS}
endif
+
+nft_LDADD = libnftables.la
diff --git a/src/libnftables.c b/src/libnftables.c
new file mode 100644
index 0000000..215179a
--- /dev/null
+++ b/src/libnftables.c
@@ -0,0 +1,53 @@
+/*
+ * Copyright (c) 2017 Eric Leblond <[email protected]>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ */
+
+#include <nftables/nftables.h>
+#include <string.h>
+#include <errno.h>
+#include <nftables.h>
+#include <parser.h>
+#include <iface.h>
+#include <netlink.h>
+#include <erec.h>
+#include <libmnl/libmnl.h>
+#include <mnl.h>
+
+#include <unistd.h>
+#include <fcntl.h>
+
+
+unsigned int max_errors = 10;
+unsigned int numeric_output;
+unsigned int ip2name_output;
+unsigned int handle_output;
+#ifdef DEBUG
+unsigned int debug_level;
+#endif
+
+void nft_global_init(void)
+{
+ mark_table_init();
+ realm_table_rt_init();
+ devgroup_table_init();
+ realm_table_meta_init();
+ ct_label_table_init();
+ gmp_init();
+#ifdef HAVE_LIBXTABLES
+ xt_init();
+#endif
+}
+
+void nft_global_deinit(void)
+{
+ ct_label_table_exit();
+ realm_table_rt_exit();
+ devgroup_table_exit();
+ realm_table_meta_exit();
+ mark_table_exit();
+}
diff --git a/src/main.c b/src/main.c
index 8883959..dde3104 100644
--- a/src/main.c
+++ b/src/main.c
@@ -18,6 +18,7 @@
#include <fcntl.h>
#include <sys/types.h>
+#include <nftables/nftables.h>
#include <nftables.h>
#include <utils.h>
#include <parser.h>
@@ -272,28 +273,6 @@ err1:
return ret;
}
-void nft_init(void)
-{
- mark_table_init();
- realm_table_rt_init();
- devgroup_table_init();
- realm_table_meta_init();
- ct_label_table_init();
- gmp_init();
-#ifdef HAVE_LIBXTABLES
- xt_init();
-#endif
-}
-
-void nft_exit(void)
-{
- ct_label_table_exit();
- realm_table_rt_exit();
- devgroup_table_exit();
- realm_table_meta_exit();
- mark_table_exit();
-}
-
int main(int argc, char * const *argv)
{
struct parser_state state;
@@ -309,7 +288,7 @@ int main(int argc, char * const *argv)
memset(&cache, 0, sizeof(cache));
init_list_head(&cache.list);
- nft_init();
+ nft_global_init();
nf_sock = netlink_open_sock();
while (1) {
val = getopt_long(argc, argv, OPTSTRING, options, NULL);
@@ -440,7 +419,7 @@ out:
cache_release(&cache);
iface_cache_release();
netlink_close_sock(nf_sock);
- nft_exit();
+ nft_global_deinit();
return rc;
}
--
2.14.1
--
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