Added CFEngine (core + masterfiles) package

Bootstrapping from a policy server (or self) doesn't work yet.
There may be other issues but the basics work and this is useful as a way to test out policy on-the-go.

packages/cfengine/build.sh

@@ -0,0 +1,22 @@
+TERMUX_PKG_HOMEPAGE=https://cfengine.com/
+TERMUX_PKG_DESCRIPTION="CFEngine is a configuration management technology."
+TERMUX_PKG_LICENSE="GPL-3.0"
+TERMUX_PKG_VERSION=3.15.1
+TERMUX_PKG_SRCURL=(https://cfengine-package-repos.s3.amazonaws.com/tarballs/cfengine-$TERMUX_PKG_VERSION.tar.gz
+                   https://github.com/cfengine/masterfiles/archive/$TERMUX_PKG_VERSION.tar.gz)
+TERMUX_PKG_SHA256=(ab597456f9d44d907bb5a2e82b8ce2af01e9c59641dc828457cd768ef05a831d
+                   1da37b8af293f5c072ed6991f4bb910cc2b387038e4dc7c34ae1763515b558e1)
+TERMUX_PKG_DEPENDS="liblmdb, openssl, libandroid-glob, pcre"
+# core doesn't work with out-of-tree builds
+TERMUX_PKG_BUILD_IN_SRC=true
+TERMUX_PKG_EXTRA_CONFIGURE_ARGS="--with-workdir=$TERMUX_PREFIX/var/lib/cfengine --without-pam --without-selinux-policy --without-systemd-service --with-lmdb=$TERMUX_PREFIX --with-openssl=$TERMUX_PREFIX --with-pcre=$TERMUX_PREFIX"
+
+termux_step_post_extract_package() {
+  cd masterfiles-${TERMUX_PKG_VERSION}
+  EXPLICIT_VERSION=${TERMUX_PKG_VERSION} ./autogen.sh --prefix=$TERMUX_PREFIX/var/lib/cfengine --bindir=$TERMUX_PREFIX/bin
+  make install
+}
+
+termux_step_pre_configure() {
+  LDFLAGS+=" -landroid-glob"
+}

packages/cfengine/fixup-for-termux.patch

@@ -0,0 +1,66 @@
+diff --git a/cf-agent/cf-agent.c b/cf-agent/cf-agent.c
+index 8c6341059..1b454325b 100644
+--- a/cf-agent/cf-agent.c
++++ b/cf-agent/cf-agent.c
+@@ -365,8 +365,7 @@ static void ConfigureBootstrap(GenericAgentConfig *config, const char *argument)
+
+     if(IsLoopbackAddress(argument))
+     {
+-        Log(LOG_LEVEL_ERR, "Cannot bootstrap to a loopback address");
+-        DoCleanupAndExit(EXIT_FAILURE);
++        Log(LOG_LEVEL_WARNING, "Bootstrapping to loopback interface (localhost), other hosts will not be able to bootstrap to this server");
+     }
+
+     // temporary assure that network functions are working
+
+diff --git a/libutils/file_lib.c b/libutils/file_lib.c
+index 816d719..d96a27e 100644
+--- a/libntech/libutils/file_lib.c
++++ b/libntech/libutils/file_lib.c
+@@ -564,6 +540,9 @@ int safe_open_create_perms(
+     return open(pathname, flags, create_perms);
+ #else // !__MINGW32__
+
++#ifdef __TERMUX__
++        return open(pathname, flags, create_perms);
++#endif
+     const size_t path_bufsize = strlen(pathname) + 1;
+     char path[path_bufsize];
+     const size_t res_len = StringCopy(pathname, path, path_bufsize);
+
+diff --git a/libutils/platform.h b/libutils/platform.h
+index 964adaa..af6e8d7 100644
+--- a/libntech/libutils/platform.h
++++ b/libntech/libutils/platform.h
+@@ -178,6 +178,9 @@ struct utsname
+ #endif
+
+ #include <signal.h>
++#ifdef __ANDROID__
++#include <android/log.h>
++#endif
+
+ #ifdef __MINGW32__
+ # define LOG_LOCAL0      (16<<3)
+
+diff --git a/libutils/known_dirs.c b/libutils/known_dirs.c
+index 386f6ec..6d0955b 100644
+--- a/libntech/libutils/known_dirs.c
++++ b/libntech/libutils/known_dirs.c
+@@ -89,7 +89,6 @@ const char *GetDefaultDir_helper(char *dir, const char *root_dir,
+     }
+ }
+
+-#endif
+
+ #define GET_DEFAULT_DIRECTORY_DEFINE(FUNC, STATIC, GLOBAL, FOLDER)  \
+ const char *GetDefault##FUNC##Dir(void)                             \
+@@ -106,6 +105,8 @@ GET_DEFAULT_DIRECTORY_DEFINE(Master, master, MASTERDIR, "masterfiles")
+ GET_DEFAULT_DIRECTORY_DEFINE(Input, input, INPUTDIR, "inputs")
+ GET_DEFAULT_DIRECTORY_DEFINE(State, state, STATEDIR, "state")
+
++#endif
++
+ /*******************************************************************/
+
+ const char *GetWorkDir(void)

packages/cfengine/libpromises-patches-copy-not-link.patch

@@ -0,0 +1,24 @@
+diff --git a/libpromises/patches.c b/libpromises/patches.c
+index 40407eb1f..9bc1fadbd 100644
+--- a/libpromises/patches.c
++++ b/libpromises/patches.c
+@@ -34,6 +34,10 @@
+ 
+ #include <audit.h>
+ 
++#ifdef __TERMUX__
++#include <file_lib.h>
++#endif
++
+ static char *cf_format_strtimestamp(struct tm *tm, char *buf);
+ 
+ /*********************************************************/
+@@ -193,6 +197,8 @@ bool LinkOrCopy(const char *from, const char *to, int sym)
+         return false;
+     }
+ 
++#elif __TERMUX__ // link() not supported on android/termux so use rename() instead
++    return File_Copy(from, to);
+ #else /* !__MINGW32__ */
+ 
+     if (sym)

packages/cfengine/unix_iface.patch

@@ -0,0 +1,51 @@
+diff --git a/libenv/unix_iface.c b/libenv/unix_iface.c
+index 65e359921..905e13c84 100644
+--- a/libenv/unix_iface.c
++++ b/libenv/unix_iface.c
+@@ -147,7 +147,7 @@ static void GetMacAddress(EvalContext *ctx, ARG_UNUSED int fd, struct ifreq *ifr
+       return;
+     }
+ 
+-# if defined(SIOCGIFHWADDR) && defined(HAVE_STRUCT_IFREQ_IFR_HWADDR)
++# if defined(SIOCGIFHWADDR) && defined(HAVE_STRUCT_IFREQ_IFR_HWADDR) && !defined(__TERMUX__)
+     char hw_mac[CF_MAXVARSIZE];
+ 
+     if ((ioctl(fd, SIOCGIFHWADDR, ifr) == -1))
+@@ -173,9 +173,8 @@ static void GetMacAddress(EvalContext *ctx, ARG_UNUSED int fd, struct ifreq *ifr
+ 
+ # elif defined(HAVE_GETIFADDRS) && !defined(__sun)
+     char hw_mac[CF_MAXVARSIZE];
+-    char *m;
+     struct ifaddrs *ifaddr, *ifa;
+-    struct sockaddr_dl *sdl;
++    struct sockaddr_ll *sdl;
+ 
+     if (getifaddrs(&ifaddr) == -1)
+     {
+@@ -190,18 +189,16 @@ static void GetMacAddress(EvalContext *ctx, ARG_UNUSED int fd, struct ifreq *ifr
+     {
+         if ( strcmp(ifa->ifa_name, ifp->ifr_name) == 0)
+         {
+-            if (ifa->ifa_addr->sa_family == AF_LINK)
++            if (ifa->ifa_addr->sa_family == AF_PACKET)
+             {
+-                sdl = (struct sockaddr_dl *)ifa->ifa_addr;
+-                m = (char *) LLADDR(sdl);
+-
++                sdl = (struct sockaddr_ll*)ifa->ifa_addr;
+                 snprintf(hw_mac, sizeof(hw_mac), "%.2x:%.2x:%.2x:%.2x:%.2x:%.2x",
+-                    (unsigned char) m[0],
+-                    (unsigned char) m[1],
+-                    (unsigned char) m[2],
+-                    (unsigned char) m[3],
+-                    (unsigned char) m[4],
+-                    (unsigned char) m[5]);
++                         sdl->sll_addr[0],
++                         sdl->sll_addr[1],
++                         sdl->sll_addr[2],
++                         sdl->sll_addr[3],
++                         sdl->sll_addr[4],
++                         sdl->sll_addr[5]);
+ 
+                 EvalContextVariablePutSpecial(ctx, SPECIAL_SCOPE_SYS, name, hw_mac, CF_DATA_TYPE_STRING, "source=agent");
+                 RlistAppend(hardware, hw_mac, RVAL_TYPE_SCALAR);