From: Vadim Kochan <[email protected]>
Signed-off-by: Vadim Kochan <[email protected]>
---
proto_80211_mac_hdr.c | 9 +++++++++
str.c | 8 ++++++++
str.h | 1 +
3 files changed, 18 insertions(+)
diff --git a/proto_80211_mac_hdr.c b/proto_80211_mac_hdr.c
index 9bd6ee1..41ce265 100644
--- a/proto_80211_mac_hdr.c
+++ b/proto_80211_mac_hdr.c
@@ -23,6 +23,7 @@
#include "pkt_buff.h"
#include "oui.h"
#include "linktype.h"
+#include "str.h"
#define TU 0.001024
@@ -3151,10 +3152,18 @@ static void ieee80211(struct pkt_buff *pkt)
if (pkt->link_type == LINKTYPE_IEEE802_11_RADIOTAP) {
struct ieee80211_radiotap_header *rtap;
+ char flags_bits_str[33] = {0};
rtap = (struct ieee80211_radiotap_header *)pkt_pull(pkt,
sizeof(*rtap));
+ tprintf(" [ Radiotap ");
+ tprintf("Version (%u), ", rtap->version);
+ tprintf("Length (%u), ", le16_to_cpu(rtap->len));
+ tprintf("Flags (0x%x -> %sb) ]\n", le32_to_cpu(rtap->present),
+ bits_to_str(le32_to_cpu(rtap->present), 32,
+ &flags_bits_str[0]));
+
pkt_pull(pkt, le16_to_cpu(rtap->len) - sizeof(*rtap));
}
diff --git a/str.c b/str.c
index 7a5cb49..0579f76 100644
--- a/str.c
+++ b/str.c
@@ -86,3 +86,11 @@ char *strtrim_right(char *p, char c)
return p;
}
+
+char *bits_to_str(int val, int len, char *str)
+{
+ for (; val && len; --len, val >>= 1)
+ str[len] = val % 2 ? '1' : '0';
+
+ return &str[len + 1];
+}
diff --git a/str.h b/str.h
index 7b8916c..4603e93 100644
--- a/str.h
+++ b/str.h
@@ -8,5 +8,6 @@ extern int slprintf(char *dst, size_t size, const char *fmt,
...) __check_forma
extern int slprintf_nocheck(char *dst, size_t size, const char *fmt, ...);
extern char *strtrim_right(char *p, char c);
extern noinline void *xmemset(void *s, int c, size_t n);
+extern char *bits_to_str(int val, int bits_len, char *str);
#endif /* STR_H */
--
2.3.1
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