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From: Fiona Klute <fiona.klute@gmx.de>
To: iwd@lists.linux.dev
Cc: Fiona Klute <fiona.klute@gmx.de>
Subject: [PATCH] Log falling back from SAE to WPA2
Date: Tue,  9 Jan 2024 10:59:26 +0100	[thread overview]
Message-ID: <20240109095926.1541238-1-fiona.klute@gmx.de> (raw)

I've had connections to a WPA3-Personal only network fail with no log
message from iwd, and eventually figured out to was because the driver
would've required using CMD_EXTERNAL_AUTH. With the added log messages
the reason becomes obvious.

Additionally the fallback may happen even if the user explicitly
configured WPA3 in NetworkManager, I believe a warning is appropriate
there.
---
 src/wiphy.c | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/wiphy.c b/src/wiphy.c
index 766df348..5530e9c6 100644
--- a/src/wiphy.c
+++ b/src/wiphy.c
@@ -248,6 +248,8 @@ static bool wiphy_can_connect_sae(struct wiphy *wiphy)
 		 *
 		 * TODO: No support for CMD_EXTERNAL_AUTH yet.
 		 */
+		l_debug("Unsupported: %s needs CMD_EXTERNAL_AUTH for SAE",
+			wiphy->driver_str);
 		return false;
 	}

@@ -312,8 +314,10 @@ enum ie_rsn_akm_suite wiphy_select_akm(struct wiphy *wiphy,
 		if (ie_rsne_is_wpa3_personal(info)) {
 			l_debug("Network is WPA3-Personal...");

-			if (!wiphy_can_connect_sae(wiphy))
+			if (!wiphy_can_connect_sae(wiphy)) {
+				l_warn("Can't use SAE, trying WPA-2");
 				goto wpa2_personal;
+			}

 			if (info->akm_suites &
 					IE_RSN_AKM_SUITE_FT_OVER_SAE_SHA256)
--
2.43.0


             reply	other threads:[~2024-01-09  9:59 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-01-09  9:59 Fiona Klute [this message]
2024-01-10  3:33 ` [PATCH] Log falling back from SAE to WPA2 Denis Kenzior
2024-01-10 11:33   ` Fiona Klute
2024-01-10 16:51     ` Denis Kenzior
2024-01-10 13:12   ` Marcel Holtmann
2024-01-10 16:47     ` Denis Kenzior
2024-01-10 17:05       ` Marcel Holtmann
2024-01-10 17:10         ` Denis Kenzior

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