diff --git a/src/utils/base64.c b/src/utils/base64.c
index 155bfce..fb1224b 100644
--- a/src/utils/base64.c
+++ b/src/utils/base64.c
@@ -1,6 +1,6 @@
 /*
  * Base64 encoding/decoding (RFC1341)
- * Copyright (c) 2005, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2005-2011, Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -103,8 +103,9 @@
 unsigned char * base64_decode(const unsigned char *src, size_t len,
 			      size_t *out_len)
 {
-	unsigned char dtable[256], *out, *pos, in[4], block[4], tmp;
+	unsigned char dtable[256], *out, *pos, block[4], tmp;
 	size_t i, count, olen;
+	int pad = 0;
 
 	os_memset(dtable, 0x80, 256);
 	for (i = 0; i < sizeof(base64_table) - 1; i++)
@@ -131,7 +132,8 @@
 		if (tmp == 0x80)
 			continue;
 
-		in[count] = src[i];
+		if (src[i] == '=')
+			pad++;
 		block[count] = tmp;
 		count++;
 		if (count == 4) {
@@ -139,16 +141,21 @@
 			*pos++ = (block[1] << 4) | (block[2] >> 2);
 			*pos++ = (block[2] << 6) | block[3];
 			count = 0;
+			if (pad) {
+				if (pad == 1)
+					pos--;
+				else if (pad == 2)
+					pos -= 2;
+				else {
+					/* Invalid padding */
+					os_free(out);
+					return NULL;
+				}
+				break;
+			}
 		}
 	}
 
-	if (pos > out) {
-		if (in[2] == '=')
-			pos -= 2;
-		else if (in[3] == '=')
-			pos--;
-	}
-
 	*out_len = pos - out;
 	return out;
 }
diff --git a/src/utils/edit.c b/src/utils/edit.c
index 8f9e4ed..c5b17ac 100644
--- a/src/utils/edit.c
+++ b/src/utils/edit.c
@@ -1,6 +1,6 @@
 /*
  * Command line editing and history
- * Copyright (c) 2010, Jouni Malinen <j@w1.fi>
+ * Copyright (c) 2010-2011, Jouni Malinen <j@w1.fi>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License version 2 as
@@ -24,6 +24,8 @@
 static char cmdbuf[CMD_BUF_LEN];
 static int cmdbuf_pos = 0;
 static int cmdbuf_len = 0;
+static char currbuf[CMD_BUF_LEN];
+static int currbuf_valid = 0;
 
 #define HISTORY_MAX 100
 
@@ -231,18 +233,22 @@
 
 	if (history_curr ==
 	    dl_list_first(&history_list, struct edit_history, list)) {
-		cmdbuf[cmdbuf_len] = '\0';
-		history_add(cmdbuf);
+		if (!currbuf_valid) {
+			cmdbuf[cmdbuf_len] = '\0';
+			os_memcpy(currbuf, cmdbuf, cmdbuf_len + 1);
+			currbuf_valid = 1;
+			history_use();
+			return;
+		}
 	}
 
-	history_use();
-
 	if (history_curr ==
 	    dl_list_last(&history_list, struct edit_history, list))
 		return;
 
 	history_curr = dl_list_entry(history_curr->list.next,
 				     struct edit_history, list);
+	history_use();
 }
 
 
@@ -250,8 +256,16 @@
 {
 	if (history_curr == NULL ||
 	    history_curr ==
-	    dl_list_first(&history_list, struct edit_history, list))
+	    dl_list_first(&history_list, struct edit_history, list)) {
+		if (currbuf_valid) {
+			currbuf_valid = 0;
+			edit_clear_line();
+			cmdbuf_len = cmdbuf_pos = os_strlen(currbuf);
+			os_memcpy(cmdbuf, currbuf, cmdbuf_len);
+			edit_redraw();
+		}
 		return;
+	}
 
 	history_curr = dl_list_entry(history_curr->list.prev,
 				     struct edit_history, list);
@@ -309,6 +323,8 @@
 	printf("\r");
 	dl_list_for_each_reverse(h, &history_list, struct edit_history, list)
 		printf("%s%s\n", h == history_curr ? "[C]" : "", h->str);
+	if (currbuf_valid)
+		printf("{%s}\n", currbuf);
 	edit_redraw();
 }
 
@@ -1104,6 +1120,7 @@
 	      char ** (*completion_cb)(void *ctx, const char *cmd, int pos),
 	      void *ctx, const char *history_file)
 {
+	currbuf[0] = '\0';
 	dl_list_init(&history_list);
 	history_curr = NULL;
 	if (history_file)
diff --git a/src/utils/eloop.h b/src/utils/eloop.h
index 1228f24..a656bf8 100644
--- a/src/utils/eloop.h
+++ b/src/utils/eloop.h
@@ -144,7 +144,7 @@
  * Returns: 0 on success, -1 on failure
  *
  * Register an event handler for the given event. This function is used to
- * register eloop implementation specific events which are mainly targetted for
+ * register eloop implementation specific events which are mainly targeted for
  * operating system specific code (driver interface and l2_packet) since the
  * portable code will not be able to use such an OS-specific call. The handler
  * function will be called whenever the event is triggered. The handler
diff --git a/src/utils/includes.h b/src/utils/includes.h
index 63b5c23..cf2a42b 100644
--- a/src/utils/includes.h
+++ b/src/utils/includes.h
@@ -34,7 +34,6 @@
 #include <errno.h>
 #endif /* _WIN32_WCE */
 #include <ctype.h>
-#include <time.h>
 
 #ifndef CONFIG_TI_COMPILER
 #ifndef _MSC_VER
diff --git a/src/utils/list.h b/src/utils/list.h
index ded7846..c8dccee 100644
--- a/src/utils/list.h
+++ b/src/utils/list.h
@@ -95,4 +95,7 @@
 	     &item->member != (list); \
 	     item = dl_list_entry(item->member.prev, type, member))
 
+#define DEFINE_DL_LIST(name) \
+	struct dl_list name = { &(name), &(name) }
+
 #endif /* LIST_H */
diff --git a/src/utils/os.h b/src/utils/os.h
index f4723d8..f69478a 100644
--- a/src/utils/os.h
+++ b/src/utils/os.h
@@ -70,6 +70,16 @@
 int os_mktime(int year, int month, int day, int hour, int min, int sec,
 	      os_time_t *t);
 
+struct os_tm {
+	int sec; /* 0..59 or 60 for leap seconds */
+	int min; /* 0..59 */
+	int hour; /* 0..23 */
+	int day; /* 1..31 */
+	int month; /* 1..12 */
+	int year; /* Four digit year */
+};
+
+int os_gmtime(os_time_t t, struct os_tm *tm);
 
 /**
  * os_daemonize - Run in the background (detach from the controlling terminal)
diff --git a/src/utils/os_internal.c b/src/utils/os_internal.c
index 5260e23..8024a30 100644
--- a/src/utils/os_internal.c
+++ b/src/utils/os_internal.c
@@ -70,6 +70,24 @@
 }
 
 
+int os_gmtime(os_time_t t, struct os_tm *tm)
+{
+	struct tm *tm2;
+	time_t t2 = t;
+
+	tm2 = gmtime(&t2);
+	if (tm2 == NULL)
+		return -1;
+	tm->sec = tm2->tm_sec;
+	tm->min = tm2->tm_min;
+	tm->hour = tm2->tm_hour;
+	tm->day = tm2->tm_mday;
+	tm->month = tm2->tm_mon + 1;
+	tm->year = tm2->tm_year + 1900;
+	return 0;
+}
+
+
 int os_daemonize(const char *pid_file)
 {
 	if (daemon(0, 0)) {
diff --git a/src/utils/os_none.c b/src/utils/os_none.c
index bab8f17..3fbb777 100644
--- a/src/utils/os_none.c
+++ b/src/utils/os_none.c
@@ -38,6 +38,11 @@
 	return -1;
 }
 
+int os_gmtime(os_time_t t, struct os_tm *tm)
+{
+	return -1;
+}
+
 
 int os_daemonize(const char *pid_file)
 {
diff --git a/src/utils/os_unix.c b/src/utils/os_unix.c
index 4e11758..9b16b33 100644
--- a/src/utils/os_unix.c
+++ b/src/utils/os_unix.c
@@ -14,6 +14,8 @@
 
 #include "includes.h"
 
+#include <time.h>
+
 #ifdef ANDROID
 #include <linux/capability.h>
 #include <linux/prctl.h>
@@ -25,9 +27,9 @@
 #ifdef WPA_TRACE
 
 #include "common.h"
-#include "list.h"
 #include "wpa_debug.h"
 #include "trace.h"
+#include "list.h"
 
 static struct dl_list alloc_list;
 
@@ -104,6 +106,24 @@
 }
 
 
+int os_gmtime(os_time_t t, struct os_tm *tm)
+{
+	struct tm *tm2;
+	time_t t2 = t;
+
+	tm2 = gmtime(&t2);
+	if (tm2 == NULL)
+		return -1;
+	tm->sec = tm2->tm_sec;
+	tm->min = tm2->tm_min;
+	tm->hour = tm2->tm_hour;
+	tm->day = tm2->tm_mday;
+	tm->month = tm2->tm_mon + 1;
+	tm->year = tm2->tm_year + 1900;
+	return 0;
+}
+
+
 #ifdef __APPLE__
 #include <fcntl.h>
 static int os_daemon(int nochdir, int noclose)
diff --git a/src/utils/os_win32.c b/src/utils/os_win32.c
index 0740964..51bd545 100644
--- a/src/utils/os_win32.c
+++ b/src/utils/os_win32.c
@@ -13,6 +13,7 @@
  */
 
 #include "includes.h"
+#include <time.h>
 #include <winsock2.h>
 #include <wincrypt.h>
 
@@ -92,6 +93,24 @@
 }
 
 
+int os_gmtime(os_time_t t, struct os_tm *tm)
+{
+	struct tm *tm2;
+	time_t t2 = t;
+
+	tm2 = gmtime(&t2);
+	if (tm2 == NULL)
+		return -1;
+	tm->sec = tm2->tm_sec;
+	tm->min = tm2->tm_min;
+	tm->hour = tm2->tm_hour;
+	tm->day = tm2->tm_mday;
+	tm->month = tm2->tm_mon + 1;
+	tm->year = tm2->tm_year + 1900;
+	return 0;
+}
+
+
 int os_daemonize(const char *pid_file)
 {
 	/* TODO */
diff --git a/src/utils/pcsc_funcs.c b/src/utils/pcsc_funcs.c
index bf9f04a..c36193e 100644
--- a/src/utils/pcsc_funcs.c
+++ b/src/utils/pcsc_funcs.c
@@ -812,7 +812,7 @@
 	wpa_hexdump(MSG_DEBUG, "SCARD: file length determination response",
 		    buf, blen);
 
-	if (blen < 2 || buf[0] != 0x6c) {
+	if (blen < 2 || (buf[0] != 0x6c && buf[0] != 0x67)) {
 		wpa_printf(MSG_DEBUG, "SCARD: unexpected response to file "
 			   "length determination");
 		return -1;
diff --git a/src/utils/radiotap.h b/src/utils/radiotap.h
index 508264c..137288f 100644
--- a/src/utils/radiotap.h
+++ b/src/utils/radiotap.h
@@ -238,5 +238,6 @@
 						 * retries */
 #define IEEE80211_RADIOTAP_F_TX_CTS	0x0002	/* used cts 'protection' */
 #define IEEE80211_RADIOTAP_F_TX_RTS	0x0004	/* used rts/cts handshake */
+#define IEEE80211_RADIOTAP_F_TX_NOACK	0x0008	/* don't expect an ACK */
 
 #endif				/* IEEE80211_RADIOTAP_H */
diff --git a/src/utils/wpa_debug.c b/src/utils/wpa_debug.c
index 0588fc6..5b56d83 100644
--- a/src/utils/wpa_debug.c
+++ b/src/utils/wpa_debug.c
@@ -34,7 +34,7 @@
 
 #ifndef ANDROID_LOG_NAME
 #define ANDROID_LOG_NAME	"wpa_supplicant"
-#endif
+#endif /* ANDROID_LOG_NAME */
 
 void android_printf(int level, char *format, ...)
 {
diff --git a/src/utils/wpa_debug.h b/src/utils/wpa_debug.h
index ae36afe..64ada57 100644
--- a/src/utils/wpa_debug.h
+++ b/src/utils/wpa_debug.h
@@ -136,7 +136,7 @@
 static inline void wpa_hexdump_buf_key(int level, const char *title,
 				       const struct wpabuf *buf)
 {
-	wpa_hexdump_key(level, title, buf ? wpabuf_head(buf) : 0,
+	wpa_hexdump_key(level, title, buf ? wpabuf_head(buf) : NULL,
 			buf ? wpabuf_len(buf) : 0);
 }