krb5: Add first version of krb5

Extracted from [email protected]:madebr/conan-center-index.git recipes_wip branch commit 17d10a4. Fixes conan-io#4102
tsondergaard · Jul 2, 2022 · 5b3707a · 5b3707a
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diff --git a/recipes/krb5/all/conandata.yml b/recipes/krb5/all/conandata.yml
@@ -0,0 +1,12 @@
+sources:
+  "1.18.2":
+    url: "https://web.mit.edu/kerberos/dist/krb5/1.18/krb5-1.18.2.tar.gz"
+    sha256: "c6e4c9ec1a98141c3f5d66ddf1a135549050c9fab4e9a4620ee9b22085873ae0"
+#patches:
+#  "1.18.2":
+#    - patch_file: "patches/1.18.2-0001-use-PKG_CHECK_MODULES-for-openssl.patch"
+#      base_path: "source_subfolder"
+#    - patch_file: "patches/1.18.2-0002-avoid-conflicting-symbols.patch"
+#      base_path: "source_subfolder"
+#    - patch_file: "patches/1.18.2-0003-no-html+tests.patch"
+#      base_path: "source_subfolder"
diff --git a/recipes/krb5/all/conanfile.py b/recipes/krb5/all/conanfile.py
@@ -0,0 +1,245 @@
+from conans import AutoToolsBuildEnvironment, ConanFile, tools
+from contextlib import contextmanager
+import functools
+import glob
+import os
+
+required_conan_version = ">=1.33.0"
+
+
+class Krb5Conan(ConanFile):
+    name = "krb5"
+    description = "Kerberos is a network authentication protocol. It is designed to provide strong authentication " \
+                  "for client/server applications by using secret-key cryptography."
+    homepage = "https://web.mit.edu/kerberos"
+    topics = ("kerberos", "network", "authentication", "protocol", "client", "server", "cryptography")
+    license = "NOTICE"
+    url = "https://github.com/conan-io/conan-center-index"
+
+    options = {
+        "shared": [True, False],
+        "fPIC": [True, False],
+        "thread": [True, False],
+        "use_dns_realms": [True, False],
+        "leash": [True, False],
+        "with_tls": [False, "openssl"],
+        "with_tcl": [True, False],
+    }
+    default_options = {
+        "shared": False,
+        "fPIC": True,
+        "thread": True,
+        "use_dns_realms": False,
+        "leash": False,
+        "with_tls": "openssl",
+        "with_tcl": False,
+    }
+    settings = "os", "arch", "compiler", "build_type"
+
+    exports_sources = "patches/*"
+    generators = "pkg_config"
+
+    @property
+    def _source_subfolder(self):
+        return "source_subfolder"
+
+    @property
+    def _settings_build(self):
+        return getattr(self, "settings_build", self.settings)
+
+    def config_options(self):
+        if self.settings.os == "Windows":
+            del self.options.fPIC
+        if self.settings.compiler == "Visual Studio":
+            del self.options.thread
+            del self.options.with_tls
+            del self.options.with_tcl
+            # Visual Studio only builds shared libraries
+            del self.options.shared
+        else:
+            del self.options.leash
+
+    def configure(self):
+        if self.options.get_safe("shared"):
+            del self.options.fPIC
+        del self.settings.compiler.libcxx
+        del self.settings.compiler.cppstd
+
+    def source(self):
+        tools.get(**self.conan_data["sources"][self.version],
+                  destination=self._source_subfolder, strip_root=True)
+
+    def requirements(self):
+        # if self.settings.os != "Windows":
+        #     self.requires("e2fsprogs/1.45.6")
+        if self.settings.compiler != "Visual Studio":
+            self.requires("libverto/0.3.2")
+        if self.options.get_safe("with_tls") == "openssl":
+            self.requires("openssl/1.1.1l")
+        if self.options.get_safe("with_tcl"):
+            self.requires("tcl/8.6.10")
+
+    def build_requirements(self):
+        if self.settings.compiler != "Visual Studio":
+            self.build_requires("automake/1.16.4")
+            self.build_requires("bison/3.7.6")
+            self.build_requires("pkgconf/1.7.4")
+        if self._settings_build.os == "Windows" and not tools.get_env("CONAN_BASH_PATH"):
+            self.build_requires("msys2/cci.latest")
+
+    @functools.lru_cache(1)
+    def _configure_autotools(self):
+        autotools = AutoToolsBuildEnvironment(self, win_bash=tools.os_info.is_windows)
+        autotools.libs = []
+        yes_no = lambda v: "yes" if v else "no"
+        tls_impl = {
+            "openssl": "openssl",
+        }.get(str(self.options.with_tls))
+        conf_args = [
+            "--enable-shared={}".format(yes_no(self.options.shared)),
+            "--enable-static={}".format(yes_no(not self.options.shared)),
+            "--enable-thread-support={}".format(yes_no(self.options.thread)),
+            "--enable-dns-for-realm={}".format(yes_no(self.options.use_dns_realms)),
+            "--enable-pkinit={}".format(yes_no(self.options.with_tls)),
+            "--with-crypto-impl={}".format(tls_impl or "builtin"),
+            "--with-tls-impl={}".format(tls_impl or "no"),
+            "--with-spake-openssl={}".format(yes_no(self.options.with_tls == "openssl")),
+            "--disable-nls",
+            "--disable-rpath",
+            "--without-libedit",
+            "--without-readline",
+            # "--with-system-et",
+            # "--with-system-ss",
+            "--with-system-verto",
+            "--with-tcl={}".format(self.deps_cpp_info["tcl"].rootpath if self.options.with_tcl else "no"),
+        ]
+        autotools.configure(args=conf_args, configure_dir=os.path.join(self._source_subfolder, "src"))
+        return autotools
+
+    def _build_autotools(self):
+        tools.save("skiptests", "")
+        with tools.chdir(os.path.join(self._source_subfolder, "src")):
+            tools.replace_in_file("aclocal.m4", "AC_CONFIG_AUX_DIR(", "echo \"Hello world\"\n\nAC_CONFIG_AUX_DIR(")
+            self.run("{} -fiv".format(tools.get_env("AUTORECONF")), run_environment=True, win_bash=tools.os_info.is_windows)
+        autotools = self._configure_autotools()
+        autotools.make()
+
+    @contextmanager
+    def _msvc_context(self):
+        env = {
+            "KRB_INSTALL_DIR": self.package_folder,
+        }
+        with tools.environment_append(env):
+            with tools.vcvars(self.settings):
+                yield
+
+    @property
+    def _nmake_args(self):
+        nmake_args = []
+        if self.settings.build_type != "Debug":
+            nmake_args.append("NODEBUG=1")
+        if not self.options.leash:
+            nmake_args.append("NO_LEASH=1")
+        if self.options.use_dns_realms:
+            nmake_args.append("KRB5_USE_DNS_REALMS=1")
+        return nmake_args
+
+    def _build_msvc(self):
+        with tools.chdir(os.path.join(self._source_subfolder, "src")):
+            with self._msvc_context():
+                self.run("nmake -f Makefile.in prep-windows", run_environment=True, win_bash=tools.os_info.is_windows)
+                self.run("nmake {}".format(" ".join(self._nmake_args)), run_environment=True, win_bash=tools.os_info.is_windows)
+
+    def build(self):
+        for patch in self.conan_data.get("patches", {}).get(self.version, []):
+            tools.patch(**patch)
+        if self.settings.compiler == "Visual Studio":
+            self._build_msvc()
+        else:
+            self._build_autotools()
+
+    def package(self):
+        self.copy("NOTICE", src=self._source_subfolder, dst="licenses")
+        if self.settings.compiler == "Visual Studio":
+            with tools.chdir(os.path.join(self._source_subfolder, "src")):
+                with self._msvc_context():
+                    self.run("nmake install {}".format(" ".join(self._nmake_args)), run_environment=True, win_bash=tools.os_info.is_windows)
+
+            for pdb in glob.glob(os.path.join(self.package_folder, "bin", "*.pdb")):
+                os.unlink(pdb)
+        else:
+            autotools = self._configure_autotools()
+            autotools.install()
+
+            tools.rmdir(os.path.join(self.package_folder, "lib", "pkgconfig"))
+            tools.rmdir(os.path.join(self.package_folder, "share"))
+            tools.rmdir(os.path.join(self.package_folder, "var"))
+
+    def package_info(self):
+        krb5_lib = "krb5"
+        krb5support = "krb5support"
+        crypto_libs = []
+        gssapi_lib = "gssapi_krb5"
+        if self.settings.compiler == "Visual Studio":
+            suffix = {
+                "x86_64": "64",
+                "x86": "32",
+            }[str(self.settings.arch)]
+
+            krb5_lib += "_" + suffix
+            krb5support = "k5sprt" + suffix
+            gssapi_lib = "gssapi" + suffix
+        else:
+            crypto_libs.append("k5crypto")
+
+        self.cpp_info.components["mit-krb5"].libs = [krb5_lib] + crypto_libs + [krb5support]
+        if self.settings.compiler != "Visual Studio":
+            self.cpp_info.components["mit-krb5"].libs.append("com_err")  # is a common library, that can potentially be packaged (but I don't know who "owns" it)
+            if self.options.with_tls == "openssl":
+                self.cpp_info.components["mit-krb5"].requires.append("openssl::ssl")
+        self.cpp_info.components["mit-krb5"].names["pkg_config"] = "mit-krb5"
+        if self.settings.os == "Linux":
+            self.cpp_info.components["mit-krb5"].system_libs = ["resolv"]
+
+        self.cpp_info.components["libkrb5"].libs = []
+        self.cpp_info.components["libkrb5"].requires = ["mit-krb5"]
+        self.cpp_info.components["libkrb5"].names["pkg_config"] = "krb5"
+
+        self.cpp_info.components["mit-krb5-gssapi"].libs = [gssapi_lib]
+        self.cpp_info.components["mit-krb5-gssapi"].requires = ["mit-krb5"]
+        self.cpp_info.components["mit-krb5-gssapi"].names["pkg_config"] = "mit-krb5-gssapi"
+        if self.settings.compiler != "Visual Studio" and self.settings.os == "Windows" and self.options.get_safe("shared"):
+            self.cpp_info.components["mit-krb5-gssapi"].defines.append("GSS_DLL_FILE")
+
+        self.cpp_info.components["krb5-gssapi"].libs = []
+        self.cpp_info.components["krb5-gssapi"].requires = ["mit-krb5-gssapi"]
+        self.cpp_info.components["krb5-gssapi"].names["pkg_config"] = "krb5-gssapi"
+
+        bin_path = os.path.join(self.package_folder, "bin")
+        self.output.info("Appending PATH environment variable: {}".format(bin_path))
+        self.env_info.PATH.append(bin_path)
+
+        if self.settings.compiler != "Visual Studio":
+            self.cpp_info.components["gssrpc"].libs = ["gssrpc"]
+            self.cpp_info.components["gssrpc"].requires = ["mit-krb5-gssapi"]
+            self.cpp_info.components["gssrpc"].names["pkg_config"] = "gssrpc"
+
+            self.cpp_info.components["kadm-client"].libs = ["kadm5clnt_mit"]
+            self.cpp_info.components["kadm-client"].requires = ["mit-krb5-gssapi", "gssrpc"]
+            self.cpp_info.components["kadm-client"].names["pkg_config"] = "kadm-client"
+
+            self.cpp_info.components["kdb"].libs = ["kdb5"]
+            self.cpp_info.components["kdb"].requires = ["mit-krb5-gssapi", "mit-krb5", "gssrpc"]
+            self.cpp_info.components["kdb"].names["pkg_config"] = "kdb-client"
+
+            self.cpp_info.components["kadm-server"].libs = ["kadm5srv_mit"]
+            self.cpp_info.components["kadm-server"].requires = ["kdb", "mit-krb5-gssapi"]
+            self.cpp_info.components["kadm-server"].names["pkg_config"] = "kadm-server"
+
+            self.cpp_info.components["krad"].libs = ["krad"]
+            self.cpp_info.components["krad"].requires = ["libkrb5", "libverto::libverto"]
+
+            krb5_config = os.path.join(bin_path, "krb5-config").replace("\\", "/")
+            self.output.info("Appending KRB5_CONFIG environment variable: {}".format(krb5_config))
+            self.env_info.KRB5_CONFIG = krb5_config
+