From 0c9f51e17137c14ea0091a2d5df0f683a710ee27 Mon Sep 17 00:00:00 2001
From: wiire-a <wi7ire@gmail.com>
Date: Sun, 26 Nov 2017 12:42:27 +0100
Subject: [PATCH] Added contributing message

---
 src/pixiewps.c | 13 +++++++++++++
 src/pixiewps.h |  2 ++
 2 files changed, 15 insertions(+)

diff --git a/src/pixiewps.c b/src/pixiewps.c
index b7b52a9..cf54354 100644
--- a/src/pixiewps.c
+++ b/src/pixiewps.c
@@ -1409,6 +1409,19 @@ usage_err:
 		free(wps->warning);
 	}
 
+	if (found_p_mode == NONE) {
+		if ((!memcmp(wps->pke, wps_rtl_pke, WPS_PKEY_LEN) &&
+				((wps->e_nonce[0] & 0x80) || (wps->e_nonce[4] & 0x80) || (wps->e_nonce[8] & 0x80) || (wps->e_nonce[12] & 0x80))) ||
+				(!memcmp(wps->e_nonce, "\x00\x00", 2) && !memcmp(wps->e_nonce + 4, "\x00\x00", 2)) ||
+				(!memcmp(wps->e_nonce + 2, "\x00\x00", 2) && !memcmp(wps->e_nonce + 6, "\x00\x00", 2)) ||
+				(wps->e_nonce[0] == 0 && wps->e_nonce[4] == 0 && wps->e_nonce[8] == 0 && wps->e_nonce[12] == 0) ||
+				(wps->e_nonce[3] == 0 && wps->e_nonce[7] == 0 && wps->e_nonce[11] == 0 && wps->e_nonce[15] == 0))
+			printf(" " STR_CONTRIBUTE "\n\n");
+	}
+	else if (found_p_mode == ECOS_SIMPLE || found_p_mode == ECOS_SIMPLEST || found_p_mode == ECOS_KNUTH) {
+		printf(" " STR_CONTRIBUTE "\n\n");
+	}
+
 	free(wps->pke);
 	free(wps->pkr);
 	free(wps->e_hash1);
diff --git a/src/pixiewps.h b/src/pixiewps.h
index 06034fe..536bc35 100644
--- a/src/pixiewps.h
+++ b/src/pixiewps.h
@@ -246,6 +246,8 @@ char v_usage[] =
 	" [?] pixiewps -e <pke> -r <pkr> -n <e-nonce> -m <r-nonce> -b <e-bssid> -7 <enc7> -5 <enc5> -s <e-hash1> -z <e-hash2> --mode 3\n"
 	"\n";
 
+#define STR_CONTRIBUTE "[@] Looks like you have some interesting data! Please consider contributing with your data to improve pixiewps. Follow the instructions on http://0x0.st/tm - Thank you!"
+
 /* One digit comma separated number parsing */
 static inline uint_fast8_t parse_mode(char *list, uint_fast8_t *dst, const uint8_t max_digit)
 {