Port wpa supplicant to RTEMS.

Add wpa_supplicant lib support and shell command support in RTEMS.

freebsd/contrib/wpa/src/utils/os_unix.c

@@ -25,6 +25,11 @@
 #include <mach/mach_time.h>
 #endif /* __MACH__ */
 
+#ifdef __rtems__
+#include <unistd.h>
+#endif /* __rtems__ */
+
+
 #include "os.h"
 #include "common.h"
 
@@ -225,7 +230,7 @@ static int os_daemon(int nochdir, int noclose)
 
 int os_daemonize(const char *pid_file)
 {
-#if defined(__uClinux__) || defined(__sun__)
+#if defined(__uClinux__) || defined(__sun__) || defined(__rtems__)
 	return -1;
 #else /* defined(__uClinux__) || defined(__sun__) */
 #ifdef __FreeBSD__
@@ -282,6 +287,9 @@ int os_get_random(unsigned char *buf, size_t len)
 	if (TEST_FAIL())
 		return -1;
 
+#ifdef __rtems__
+	return getentropy(buf, len);
+#else /* __rtems__ */
 	f = fopen("/dev/urandom", "rb");
 	if (f == NULL) {
 		printf("Could not open /dev/urandom.\n");
@@ -292,6 +300,7 @@ int os_get_random(unsigned char *buf, size_t len)
 	fclose(f);
 
 	return rc != len ? -1 : 0;
+#endif /* __rtems__ */
 }
 
 

freebsd/contrib/wpa/wpa_supplicant/config.h

@@ -45,6 +45,9 @@
 #include "common/ieee802_11_defs.h"
 #include "common/ieee802_11_common.h"
 
+#ifdef __rtems__
+#include <machine/rtems-bsd-commands.h>
+#endif /* __rtems__ */
 
 struct wpa_cred {
 	/**

freebsd/contrib/wpa/wpa_supplicant/main.c

@@ -19,6 +19,11 @@
 #include "driver_i.h"
 #include "p2p_supplicant.h"
 
+#ifdef __rtems__
+#include <assert.h>
+#include <sys/mutex.h>
+#include <machine/rtems-bsd-program.h>
+#endif /* __rtems__ */
 
 static void usage(void)
 {
@@ -154,6 +159,22 @@ static void wpa_supplicant_fd_workaround(int start)
 #endif /* __linux__ */
 }
 
+#ifdef __rtems__
+#include <rtems/libio.h>
+
+static int
+main(int argc, char **argv);
+
+int rtems_bsd_command_wpa_supplicant(int argc, char **argv)
+{
+	int exit_code;
+	rtems_status_code sc;
+
+	exit_code = rtems_bsd_program_call_main("wpa_supplicant", main, argc, argv);
+
+	return exit_code;
+}
+#endif /* __rtems__ */
 
 int main(int argc, char *argv[])
 {