xpc: add Xcode project for a charon controlled through XPC
authorMartin Willi <martin@revosec.ch>
Wed, 24 Apr 2013 08:38:19 +0000 (10:38 +0200)
committerMartin Willi <martin@revosec.ch>
Thu, 18 Jul 2013 10:17:54 +0000 (12:17 +0200)
src/frontends/osx/.gitignore [new file with mode: 0644]
src/frontends/osx/README.md [new file with mode: 0644]
src/frontends/osx/charon-xpc/charon-xpc-Info.plist [new file with mode: 0644]
src/frontends/osx/charon-xpc/charon-xpc-Launchd.plist [new file with mode: 0644]
src/frontends/osx/charon-xpc/charon-xpc.c [new file with mode: 0644]
src/frontends/osx/strongSwan.xcodeproj/project.pbxproj [new file with mode: 0644]

diff --git a/src/frontends/osx/.gitignore b/src/frontends/osx/.gitignore
new file mode 100644 (file)
index 0000000..f4be871
--- /dev/null
@@ -0,0 +1,2 @@
+xcuserdata
+*.xcworkspace
diff --git a/src/frontends/osx/README.md b/src/frontends/osx/README.md
new file mode 100644 (file)
index 0000000..69ee460
--- /dev/null
@@ -0,0 +1,40 @@
+# strongSwan OS X App #
+
+## Introduction ##
+
+The strongSwan OS X App consists of two components:
+
+* A frontend to configure and control connections
+* A privileged helper daemon, controlled using XPC, called charon-xpc
+
+The privileged helper daemon gets installed automatically using SMJobBless
+functionality on its first use, and gets started automatically by Launchd when
+needed.
+
+charon-xpc is a special build linking statically against strongSwan components.
+
+## Building strongSwan ##
+
+strongSwan on OS X requires the libvstr library. The simplest way to install
+it is using MacPorts. It gets statically linked to charon-xpc, hence it is not
+needed to run the built App.
+
+Before building the Xcode project, the strongSwan base tree must be built using
+a monolithic and static build. This can be achieved on OS X by using:
+
+LDFLAGS="-all_load" \
+CFLAGS="-I/usr/include -DOPENSSL_NO_CMS -O2 -Wall -Wno-format -Wno-pointer-sign" \
+./configure --prefix=/opt/local --disable-defaults --enable-openssl \
+  --enable-kernel-pfkey --enable-kernel-pfroute --enable-eap-mschapv2 \
+  --enable-eap-identity --enable-monolithic --enable-nonce --enable-random \
+  --enable-pkcs1 --enable-pem --enable-socket-default --enable-xauth-generic \
+  --enable-ikev1 --enable-ikev2 --enable-charon --disable-shared --enable-static
+
+followed by calling make (no need to make install).
+
+Building charon-xpc using the Xcode project yields a single binary without
+any non OS X dependencies.
+
+Both charon-xpc and the App must be code-signed to allow the installation of
+the privileged helper. git-grep for "Joe Developer" to change the signing
+identity.
\ No newline at end of file
diff --git a/src/frontends/osx/charon-xpc/charon-xpc-Info.plist b/src/frontends/osx/charon-xpc/charon-xpc-Info.plist
new file mode 100644 (file)
index 0000000..e8ddd24
--- /dev/null
@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+       <key>CFBundleIdentifier</key>
+       <string>org.strongswan.charon-xpc</string>
+       <key>CFBundleInfoDictionaryVersion</key>
+       <string>6.0</string>
+       <key>CFBundleName</key>
+       <string>charon-xpc</string>
+       <key>CFBundleVersion</key>
+       <string>1.0</string>
+       <key>SMAuthorizedClients</key>
+       <array>
+               <string>identifier org.strongswan.osx and certificate leaf[subject.CN] = "Joe Developer"</string>
+       </array>
+</dict>
+</plist>
diff --git a/src/frontends/osx/charon-xpc/charon-xpc-Launchd.plist b/src/frontends/osx/charon-xpc/charon-xpc-Launchd.plist
new file mode 100644 (file)
index 0000000..703fab9
--- /dev/null
@@ -0,0 +1,13 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
+<plist version="1.0">
+<dict>
+       <key>Label</key>
+       <string>org.strongswan.charon-xpc</string>
+       <key>MachServices</key>
+       <dict>
+               <key>org.strongswan.charon-xpc</key>
+               <true/>
+       </dict>
+</dict>
+</plist>
diff --git a/src/frontends/osx/charon-xpc/charon-xpc.c b/src/frontends/osx/charon-xpc/charon-xpc.c
new file mode 100644 (file)
index 0000000..19142d8
--- /dev/null
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2013 Martin Willi
+ * Copyright (C) 2013 revosec AG
+ *
+ * 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.  See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * 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.
+ */
+
+#include <sys/types.h>
+#include <sys/utsname.h>
+#include <unistd.h>
+#include <stdio.h>
+#include <xpc/xpc.h>
+
+#include <library.h>
+#include <hydra.h>
+#include <daemon.h>
+
+/**
+ * Loglevel configuration
+ */
+static level_t levels[DBG_MAX];
+
+/**
+ * hook in library for debugging messages
+ */
+extern void (*dbg) (debug_t group, level_t level, char *fmt, ...);
+
+/**
+ * Logging hook for library logs, using stderr output
+ */
+static void dbg_stderr(debug_t group, level_t level, char *fmt, ...)
+{
+       va_list args;
+
+       if (level <= 1)
+       {
+               va_start(args, fmt);
+               fprintf(stderr, "00[%N] ", debug_names, group);
+               vfprintf(stderr, fmt, args);
+               fprintf(stderr, "\n");
+               va_end(args);
+       }
+}
+
+/**
+ * Return version of this helper
+ */
+xpc_object_t get_version(xpc_object_t request, xpc_connection_t client)
+{
+    xpc_object_t reply;
+
+    reply = xpc_dictionary_create_reply(request);
+    xpc_dictionary_set_string(reply, "version", PACKAGE_VERSION);
+
+    return reply;
+}
+
+/**
+ * XPC command dispatch table
+ */
+struct {
+    char *name;
+    xpc_object_t (*handler)(xpc_object_t request, xpc_connection_t client);
+} commands[] = {
+    { "get_version", get_version },
+};
+
+/**
+ * Handle a received XPC request message
+ */
+static void handle(xpc_object_t request)
+{
+    xpc_connection_t client;
+    xpc_object_t reply;
+    const char *command;
+    int i;
+
+    client = xpc_dictionary_get_remote_connection(request);
+    command = xpc_dictionary_get_string(request, "command");
+    if (command)
+    {
+        for (i = 0; i < countof(commands); i++)
+        {
+            if (streq(commands[i].name, command))
+            {
+                reply = commands[i].handler(request, client);
+                if (reply)
+                {
+                    xpc_connection_send_message(client, reply);
+                    xpc_release(reply);
+                }
+                break;
+            }
+        }
+    }
+}
+
+/**
+ * Dispatch XPC commands
+ */
+static int dispatch()
+{
+    xpc_connection_t service;
+
+    service = xpc_connection_create_mach_service("org.strongswan.charon-xpc",
+                                    NULL, XPC_CONNECTION_MACH_SERVICE_LISTENER);
+    if (!service)
+    {
+        return EXIT_FAILURE;
+    }
+
+    xpc_connection_set_event_handler(service, ^(xpc_object_t conn) {
+
+        xpc_connection_set_event_handler(conn, ^(xpc_object_t event) {
+
+            if (xpc_get_type(event) == XPC_TYPE_ERROR)
+            {
+                if (event == XPC_ERROR_CONNECTION_INVALID ||
+                    event == XPC_ERROR_TERMINATION_IMMINENT)
+                {
+                    xpc_connection_cancel(conn);
+                }
+            }
+            else
+            {
+                handle(event);
+            }
+        });
+        xpc_connection_resume(conn);
+    });
+
+    xpc_connection_resume(service);
+
+    dispatch_main();
+
+    xpc_release(service);
+}
+
+/**
+ * Main function, starts the daemon.
+ */
+int main(int argc, char *argv[])
+{
+       struct utsname utsname;
+       int group;
+
+       dbg = dbg_stderr;
+       atexit(library_deinit);
+       if (!library_init(NULL))
+       {
+               exit(SS_RC_LIBSTRONGSWAN_INTEGRITY);
+       }
+       if (lib->integrity)
+       {
+               if (!lib->integrity->check_file(lib->integrity, "charon-xpc", argv[0]))
+               {
+                       exit(SS_RC_DAEMON_INTEGRITY);
+               }
+       }
+       atexit(libhydra_deinit);
+       if (!libhydra_init("charon-xpc"))
+       {
+               exit(SS_RC_INITIALIZATION_FAILED);
+       }
+       atexit(libcharon_deinit);
+       if (!libcharon_init("charon-xpc"))
+       {
+               exit(SS_RC_INITIALIZATION_FAILED);
+       }
+       for (group = 0; group < DBG_MAX; group++)
+       {
+               levels[group] = LEVEL_CTRL;
+       }
+       charon->load_loggers(charon, levels, TRUE);
+
+       lib->settings->set_default_str(lib->settings, "charon-cmd.port", "0");
+       lib->settings->set_default_str(lib->settings, "charon-cmd.port_nat_t", "0");
+       if (!charon->initialize(charon,
+            lib->settings->get_str(lib->settings, "charon-xpc.load",
+                "random nonce pem pkcs1 openssl kernel-pfkey kernel-pfroute "
+                "socket-default eap-identity eap-mschapv2")))
+       {
+               exit(SS_RC_INITIALIZATION_FAILED);
+       }
+
+       if (uname(&utsname) != 0)
+       {
+               memset(&utsname, 0, sizeof(utsname));
+       }
+       DBG1(DBG_DMN, "Starting charon-xpc IKE daemon (strongSwan %s, %s %s, %s)",
+                VERSION, utsname.sysname, utsname.release, utsname.machine);
+
+       charon->start(charon);
+       return dispatch();
+}
diff --git a/src/frontends/osx/strongSwan.xcodeproj/project.pbxproj b/src/frontends/osx/strongSwan.xcodeproj/project.pbxproj
new file mode 100644 (file)
index 0000000..eedc804
--- /dev/null
@@ -0,0 +1,308 @@
+// !$*UTF8*$!
+{
+       archiveVersion = 1;
+       classes = {
+       };
+       objectVersion = 46;
+       objects = {
+
+/* Begin PBXBuildFile section */
+               5BD1CCD71726DB4000587077 /* charon-xpc.c in Sources */ = {isa = PBXBuildFile; fileRef = 5BD1CCD61726DB4000587077 /* charon-xpc.c */; };
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+/* End PBXBuildFile section */
+
+/* Begin PBXFileReference section */
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+               5BD1CCD31726DB4000587077 /* CoreFoundation.framework */ = {isa = PBXFileReference; lastKnownFileType = wrapper.framework; name = CoreFoundation.framework; path = System/Library/Frameworks/CoreFoundation.framework; sourceTree = SDKROOT; };
+               5BD1CCD61726DB4000587077 /* charon-xpc.c */ = {isa = PBXFileReference; lastKnownFileType = sourcecode.c.c; path = "charon-xpc.c"; sourceTree = "<group>"; };
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+                               5BF60F31173405A000E5D608 /* CoreFoundation.framework in Frameworks */,
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+                       );
+                       runOnlyForDeploymentPostprocessing = 0;
+               };
+/* End PBXFrameworksBuildPhase section */
+
+/* Begin PBXGroup section */
+               5BD1CCA11726DB0100587077 = {
+                       isa = PBXGroup;
+                       children = (
+                               5BD1CCEA1727CCA400587077 /* README.md */,
+                               5BD1CCD51726DB4000587077 /* charon-xpc */,
+                               5BD1CCAF1726DB0100587077 /* Frameworks */,
+                               5BD1CCAD1726DB0100587077 /* Products */,
+                       );
+                       sourceTree = "<group>";
+               };
+               5BD1CCAD1726DB0100587077 /* Products */ = {
+                       isa = PBXGroup;
+                       children = (
+                               5BD1CCD11726DB4000587077 /* org.strongswan.charon-xpc */,
+                       );
+                       name = Products;
+                       sourceTree = "<group>";
+               };
+               5BD1CCAF1726DB0100587077 /* Frameworks */ = {
+                       isa = PBXGroup;
+                       children = (
+                               5BD1CCF21727DE3E00587077 /* Security.framework */,
+                               5BD1CCEC1727D7AF00587077 /* ServiceManagement.framework */,
+                               5BD1CCD31726DB4000587077 /* CoreFoundation.framework */,
+                       );
+                       name = Frameworks;
+                       sourceTree = "<group>";
+               };
+               5BD1CCD51726DB4000587077 /* charon-xpc */ = {
+                       isa = PBXGroup;
+                       children = (
+                               5BD1CCD61726DB4000587077 /* charon-xpc.c */,
+                               5BD1CCE01726DCD000587077 /* charon-xpc-Launchd.plist */,
+                               5BD1CCE11726DD9900587077 /* charon-xpc-Info.plist */,
+                       );
+                       path = "charon-xpc";
+                       sourceTree = "<group>";
+               };
+/* End PBXGroup section */
+
+/* Begin PBXNativeTarget section */
+               5BD1CCD01726DB4000587077 /* charon-xpc */ = {
+                       isa = PBXNativeTarget;
+                       buildConfigurationList = 5BD1CCDA1726DB4000587077 /* Build configuration list for PBXNativeTarget "charon-xpc" */;
+                       buildPhases = (
+                               5BD1CCCD1726DB4000587077 /* Sources */,
+                               5BD1CCCE1726DB4000587077 /* Frameworks */,
+                       );
+                       buildRules = (
+                       );
+                       dependencies = (
+                       );
+                       name = "charon-xpc";
+                       productName = "charon-xpc";
+                       productReference = 5BD1CCD11726DB4000587077 /* org.strongswan.charon-xpc */;
+                       productType = "com.apple.product-type.tool";
+               };
+/* End PBXNativeTarget section */
+
+/* Begin PBXProject section */
+               5BD1CCA31726DB0100587077 /* Project object */ = {
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+                       attributes = {
+                               LastUpgradeCheck = 0450;
+                               ORGANIZATIONNAME = "revosec AG";
+                       };
+                       buildConfigurationList = 5BD1CCA61726DB0100587077 /* Build configuration list for PBXProject "strongSwan" */;
+                       compatibilityVersion = "Xcode 3.2";
+                       developmentRegion = English;
+                       hasScannedForEncodings = 0;
+                       knownRegions = (
+                               en,
+                       );
+                       mainGroup = 5BD1CCA11726DB0100587077;
+                       productRefGroup = 5BD1CCAD1726DB0100587077 /* Products */;
+                       projectDirPath = "";
+                       projectRoot = "";
+                       targets = (
+                               5BD1CCD01726DB4000587077 /* charon-xpc */,
+                       );
+               };
+/* End PBXProject section */
+
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+                       buildActionMask = 2147483647;
+                       files = (
+                               5BD1CCD71726DB4000587077 /* charon-xpc.c in Sources */,
+                       );
+                       runOnlyForDeploymentPostprocessing = 0;
+               };
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+
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+                               GCC_ENABLE_OBJC_EXCEPTIONS = YES;
+                               GCC_OPTIMIZATION_LEVEL = 0;
+                               GCC_PREPROCESSOR_DEFINITIONS = (
+                                       "DEBUG=1",
+                                       "$(inherited)",
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+                                       ../../libstrongswan/.libs,
+                                       ../../libcharon/.libs,
+                                       ../../libhydra/.libs,
+                                       /opt/local/lib,
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+                                       ../../../config.h,
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+               };
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+/* Begin XCConfigurationList section */
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