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[MAC80211]: fix key debugfs

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This fixes two issues with the key debugfs:
 1) key index obviously isn't unique
 2) various missing break statements led to bogus output

Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Acked-by: Michael Wu <flamingice@sourmilk.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Johannes Berg 2007-08-28 17:01:52 -04:00 committed by David S. Miller
parent 2a8a9a88fc
commit 50339a67e2
1 changed files with 10 additions and 2 deletions
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12
net/mac80211/debugfs_key.c
View file

@ -77,14 +77,17 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
switch (key->alg) {
case ALG_WEP:
len = scnprintf(buf, sizeof(buf), "\n");
break;
case ALG_TKIP:
len = scnprintf(buf, sizeof(buf), "%08x %04x\n",
key->u.tkip.iv32,
key->u.tkip.iv16);
break;
case ALG_CCMP:
tpn = key->u.ccmp.tx_pn;
len = scnprintf(buf, sizeof(buf), "%02x%02x%02x%02x%02x%02x\n",
tpn[0], tpn[1], tpn[2], tpn[3], tpn[4], tpn[5]);
break;
default:
return 0;
}
@ -103,6 +106,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
switch (key->alg) {
case ALG_WEP:
len = scnprintf(buf, sizeof(buf), "\n");
break;
case ALG_TKIP:
for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
p += scnprintf(p, sizeof(buf)+buf-p,
@ -110,6 +114,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
key->u.tkip.iv32_rx[i],
key->u.tkip.iv16_rx[i]);
len = p - buf;
break;
case ALG_CCMP:
for (i = 0; i < NUM_RX_DATA_QUEUES; i++) {
rpn = key->u.ccmp.rx_pn[i];
@ -119,6 +124,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
rpn[3], rpn[4], rpn[5]);
}
len = p - buf;
break;
default:
return 0;
}
@ -164,12 +170,14 @@ KEY_OPS(key);
void ieee80211_debugfs_key_add(struct ieee80211_local *local,
struct ieee80211_key *key)
{
static int keycount;
char buf[20];
if (!local->debugfs.keys)
return;
sprintf(buf, "%d", key->keyidx);
sprintf(buf, "%d", keycount);
keycount++;
key->debugfs.dir = debugfs_create_dir(buf,
local->debugfs.keys);
@ -239,7 +247,7 @@ void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
if (!key->debugfs.dir)
return;
sprintf(buf, "../sta/" MAC_FMT, MAC_ARG(sta->addr));
sprintf(buf, "../../stations/" MAC_FMT, MAC_ARG(sta->addr));
key->debugfs.stalink =
debugfs_create_symlink("station", key->debugfs.dir, buf);
}