Add more debug prints on suite selector selection

This makes it a bit easier to figure out why wpa_supplicant selects a
specific cipher/AKM for association.

Signed-off-by: Jouni Malinen <jouni@codeaurora.org>

diff --git a/wpa_supplicant/wpa_supplicant.c b/wpa_supplicant/wpa_supplicant.c
index c6124fb31f3d89a211f7abe6401d6a8de2287331..60e47a3e5d63fa45a5b0c70ba76cd960a9d629d8 100644 (file)
--- a/wpa_supplicant/wpa_supplicant.c
+++ b/wpa_supplicant/wpa_supplicant.c
@@ -1375,6 +1375,9 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
        wpa_s->pairwise_cipher = WPA_CIPHER_NONE;
 #else /* CONFIG_NO_WPA */
        sel = ie.group_cipher & ssid->group_cipher;
+       wpa_dbg(wpa_s, MSG_DEBUG,
+               "WPA: AP group 0x%x network profile group 0x%x; available group 0x%x",
+               ie.group_cipher, ssid->group_cipher, sel);
        wpa_s->group_cipher = wpa_pick_group_cipher(sel);
        if (wpa_s->group_cipher < 0) {
                wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select group "
@@ -1385,6 +1388,9 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
                wpa_cipher_txt(wpa_s->group_cipher));
 
        sel = ie.pairwise_cipher & ssid->pairwise_cipher;
+       wpa_dbg(wpa_s, MSG_DEBUG,
+               "WPA: AP pairwise 0x%x network profile pairwise 0x%x; available pairwise 0x%x",
+               ie.pairwise_cipher, ssid->pairwise_cipher, sel);
        wpa_s->pairwise_cipher = wpa_pick_pairwise_cipher(sel, 1);
        if (wpa_s->pairwise_cipher < 0) {
                wpa_msg(wpa_s, MSG_WARNING, "WPA: Failed to select pairwise "
@@ -1396,6 +1402,9 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
 #endif /* CONFIG_NO_WPA */
 
        sel = ie.key_mgmt & ssid->key_mgmt;
+       wpa_dbg(wpa_s, MSG_DEBUG,
+               "WPA: AP key_mgmt 0x%x network profile key_mgmt 0x%x; available key_mgmt 0x%x",
+               ie.key_mgmt, ssid->key_mgmt, sel);
 #ifdef CONFIG_SAE
        if (!(wpa_s->drv_flags & WPA_DRIVER_FLAGS_SAE))
                sel &= ~(WPA_KEY_MGMT_SAE | WPA_KEY_MGMT_FT_SAE);
@@ -1519,6 +1528,9 @@ int wpa_supplicant_set_suites(struct wpa_supplicant *wpa_s,
        if (wpas_get_ssid_pmf(wpa_s, ssid) == NO_MGMT_FRAME_PROTECTION ||
            !(ie.capabilities & WPA_CAPABILITY_MFPC))
                sel = 0;
+       wpa_dbg(wpa_s, MSG_DEBUG,
+               "WPA: AP mgmt_group_cipher 0x%x network profile mgmt_group_cipher 0x%x; available mgmt_group_cipher 0x%x",
+               ie.mgmt_group_cipher, ssid->group_mgmt_cipher, sel);
        if (sel & WPA_CIPHER_AES_128_CMAC) {
                wpa_s->mgmt_group_cipher = WPA_CIPHER_AES_128_CMAC;
                wpa_dbg(wpa_s, MSG_DEBUG, "WPA: using MGMT group cipher "