(conan-io#5312) Add libnetfilter_conntrack/1.0.8

recipes/libnetfilter_conntrack/all/conandata.yml

@@ -0,0 +1,4 @@
+sources:
+  "1.0.8":
+    sha256: 0cd13be008923528687af6c6b860f35392d49251c04ee0648282d36b1faec1cf
+    url: https://www.netfilter.org/projects/libnetfilter_conntrack/files/libnetfilter_conntrack-1.0.8.tar.bz2

recipes/libnetfilter_conntrack/all/conanfile.py

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+import os
+from conans import ConanFile, tools, AutoToolsBuildEnvironment
+from conans.errors import ConanInvalidConfiguration
+
+class Libnetfilter_conntrackConan(ConanFile):
+    name = "libnetfilter_conntrack"
+    license = "GPL-2.0-or-later"
+    url = "https://github.com/conan-io/conan-center-index"
+    homepage = "https://netfilter.org/projects/libnetfilter_conntrack/index.html"
+    description = "userspace library that provides an API to the in-kernel connection tracking state table"
+    topics = ("libnetfilter_conntrack", "netfilter")
+    settings = "os", "compiler", "build_type", "arch"
+    options = {"shared": [True, False], "fPIC": [True, False]}
+    default_options = {"shared": False, "fPIC": True}
+    generators = "pkg_config"
+    _autotools = None
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    def requirements(self):
+         self.requires("libmnl/1.0.4")
+         self.requires("libnfnetlink/1.0.1")
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version])
+        extracted_dir = self.name + "-" + self.version
+        os.rename(extracted_dir, self._source_subfolder)
+
+    def configure(self):
+        if self.settings.os != "Linux":
+            raise ConanInvalidConfiguration("libnetfilter_conntrack is only supported on Linux")
+        if self.options.shared:
+            del self.options.fPIC
+        del self.settings.compiler.libcxx
+        del self.settings.compiler.cppstd
+
+    def _configure_autotools(self):
+        if self._autotools:
+            return self._autotools
+        self._autotools = AutoToolsBuildEnvironment(self)
+        conf_args = []
+        if self.options.shared:
+            conf_args.extend(["--enable-shared", "--disable-static"])
+        else:
+            conf_args.extend(["--disable-shared", "--enable-static"])
+        self._autotools.configure(configure_dir=self._source_subfolder, args=conf_args)
+        return self._autotools
+
+    def build(self):
+        autotools = self._configure_autotools()
+        autotools.make()
+
+    def package(self):
+        self.copy("COPYING", dst="licenses", src=self._source_subfolder)
+        autotools = self._configure_autotools()
+        autotools.install()
+
+        tools.remove_files_by_mask(os.path.join(self.package_folder, "lib"), "*.la")
+        tools.rmdir(os.path.join(self.package_folder, "share"))
+        tools.rmdir(os.path.join(self.package_folder, "etc"))
+        tools.rmdir(os.path.join(self.package_folder, "lib", "pkgconfig"))
+
+    def package_info(self):
+        self.cpp_info.libs = ["netfilter_conntrack"]
+        self.cpp_info.names["pkg_config"] = "libnetfilter_conntrack"

recipes/libnetfilter_conntrack/all/test_package/CMakeLists.txt

@@ -0,0 +1,8 @@
+cmake_minimum_required(VERSION 3.10)
+project(PackageTest)
+
+include(${CMAKE_BINARY_DIR}/conanbuildinfo.cmake)
+conan_basic_setup()
+
+add_executable(example example.c)
+target_link_libraries(example ${CONAN_LIBS})

recipes/libnetfilter_conntrack/all/test_package/conanfile.py

@@ -0,0 +1,17 @@
+import os
+
+from conans import ConanFile, CMake, tools
+
+class Libnetfilter_conntrackTestConan(ConanFile):
+    settings = "os", "compiler", "build_type", "arch"
+    generators = "cmake"
+
+    def build(self):
+        cmake = CMake(self)
+        cmake.configure()
+        cmake.build()
+
+    def test(self):
+        if not tools.cross_building(self):
+            bin_path = os.path.join("bin", "example")
+            self.run("{} {}".format(bin_path, 0), run_environment=True)

recipes/libnetfilter_conntrack/all/test_package/example.c

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+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+#include <arpa/inet.h>
+
+#include <libmnl/libmnl.h>
+#include <libnetfilter_conntrack/libnetfilter_conntrack.h>
+
+static int data_cb(const struct nlmsghdr *nlh, void *data)
+{
+	struct nf_conntrack *ct;
+	char buf[4096];
+
+	ct = nfct_new();
+	if (ct == NULL)
+		return MNL_CB_OK;
+
+	nfct_nlmsg_parse(nlh, ct);
+
+	nfct_snprintf(buf, sizeof(buf), ct, NFCT_T_UNKNOWN, NFCT_O_DEFAULT, 0);
+	printf("%s\n", buf);
+
+	nfct_destroy(ct);
+
+	return MNL_CB_OK;
+}
+
+int main(void)
+{
+	struct mnl_socket *nl;
+	struct nlmsghdr *nlh;
+	struct nfgenmsg *nfh;
+	char buf[MNL_SOCKET_BUFFER_SIZE];
+	unsigned int seq, portid;
+	int ret;
+
+	nl = mnl_socket_open(NETLINK_NETFILTER);
+	if (nl == NULL) {
+		perror("mnl_socket_open");
+		exit(EXIT_FAILURE);
+	}
+
+	if (mnl_socket_bind(nl, 0, MNL_SOCKET_AUTOPID) < 0) {
+		perror("mnl_socket_bind");
+		exit(EXIT_FAILURE);
+	}
+	portid = mnl_socket_get_portid(nl);
+
+	nlh = mnl_nlmsg_put_header(buf);
+	nlh->nlmsg_type = (NFNL_SUBSYS_CTNETLINK << 8) | IPCTNL_MSG_CT_GET;
+	nlh->nlmsg_flags = NLM_F_REQUEST|NLM_F_DUMP;
+	nlh->nlmsg_seq = seq = time(NULL);
+
+	nfh = mnl_nlmsg_put_extra_header(nlh, sizeof(struct nfgenmsg));
+	nfh->nfgen_family = AF_INET;
+	nfh->version = NFNETLINK_V0;
+	nfh->res_id = 0;
+
+	ret = mnl_socket_sendto(nl, nlh, nlh->nlmsg_len);
+	if (ret == -1) {
+		perror("mnl_socket_recvfrom");
+		exit(EXIT_FAILURE);
+	}
+
+	ret = mnl_socket_recvfrom(nl, buf, sizeof(buf));
+	if (ret == -1) {
+		perror("mnl_socket_recvfrom");
+		exit(EXIT_FAILURE);
+	}
+
+	mnl_socket_close(nl);
+
+	return 0;
+}

recipes/libnetfilter_conntrack/config.yml

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+versions:
+  1.0.8:
+    folder: all