X-Git-Url: http://ftp.safe.ca/?a=blobdiff_plain;f=net%2Fmac80211%2Fdebugfs_key.c;h=97c9e46e859e9dbd081d5964437c9db73440441a;hb=5306293c9cd2caf41849cc909281bda628bb989e;hp=077f907271cf7129cb1d6008cb05df8ab4c09f8b;hpb=50339a67e2d4386d8919195989371579cab8649d;p=safe%2Fjmp%2Flinux-2.6

diff --git a/net/mac80211/debugfs_key.c b/net/mac80211/debugfs_key.c
index 077f907..97c9e46 100644
--- a/net/mac80211/debugfs_key.c
+++ b/net/mac80211/debugfs_key.c
@@ -9,22 +9,24 @@
  */
 
 #include <linux/kobject.h>
+#include <linux/slab.h>
 #include "ieee80211_i.h"
-#include "ieee80211_key.h"
+#include "key.h"
 #include "debugfs.h"
 #include "debugfs_key.h"
 
-#define KEY_READ(name, buflen, format_string)				\
+#define KEY_READ(name, prop, buflen, format_string)			\
 static ssize_t key_##name##_read(struct file *file,			\
 				 char __user *userbuf,			\
 				 size_t count, loff_t *ppos)		\
 {									\
 	char buf[buflen];						\
 	struct ieee80211_key *key = file->private_data;			\
-	int res = scnprintf(buf, buflen, format_string, key->name);	\
+	int res = scnprintf(buf, buflen, format_string, key->prop);	\
 	return simple_read_from_buffer(userbuf, count, ppos, buf, res);	\
 }
-#define KEY_READ_D(name) KEY_READ(name, 20, "%d\n")
+#define KEY_READ_D(name) KEY_READ(name, name, 20, "%d\n")
+#define KEY_READ_X(name) KEY_READ(name, name, 20, "0x%x\n")
 
 #define KEY_OPS(name)							\
 static const struct file_operations key_ ##name## _ops = {		\
@@ -36,11 +38,27 @@ static const struct file_operations key_ ##name## _ops = {		\
 		 KEY_READ_##format(name)				\
 		 KEY_OPS(name)
 
-KEY_FILE(keylen, D);
-KEY_FILE(force_sw_encrypt, D);
-KEY_FILE(keyidx, D);
-KEY_FILE(hw_key_idx, D);
+#define KEY_CONF_READ(name, buflen, format_string)			\
+	KEY_READ(conf_##name, conf.name, buflen, format_string)
+#define KEY_CONF_READ_D(name) KEY_CONF_READ(name, 20, "%d\n")
+
+#define KEY_CONF_OPS(name)						\
+static const struct file_operations key_ ##name## _ops = {		\
+	.read = key_conf_##name##_read,					\
+	.open = mac80211_open_file_generic,				\
+}
+
+#define KEY_CONF_FILE(name, format)					\
+		 KEY_CONF_READ_##format(name)				\
+		 KEY_CONF_OPS(name)
+
+KEY_CONF_FILE(keylen, D);
+KEY_CONF_FILE(keyidx, D);
+KEY_CONF_FILE(hw_key_idx, D);
+KEY_FILE(flags, X);
 KEY_FILE(tx_rx_count, D);
+KEY_READ(ifindex, sdata->name, IFNAMSIZ + 2, "%s\n");
+KEY_OPS(ifindex);
 
 static ssize_t key_algorithm_read(struct file *file,
 				  char __user *userbuf,
@@ -49,7 +67,7 @@ static ssize_t key_algorithm_read(struct file *file,
 	char *alg;
 	struct ieee80211_key *key = file->private_data;
 
-	switch (key->alg) {
+	switch (key->conf.alg) {
 	case ALG_WEP:
 		alg = "WEP\n";
 		break;
@@ -59,6 +77,9 @@ static ssize_t key_algorithm_read(struct file *file,
 	case ALG_CCMP:
 		alg = "CCMP\n";
 		break;
+	case ALG_AES_CMAC:
+		alg = "AES-128-CMAC\n";
+		break;
 	default:
 		return 0;
 	}
@@ -74,20 +95,26 @@ static ssize_t key_tx_spec_read(struct file *file, char __user *userbuf,
 	int len;
 	struct ieee80211_key *key = file->private_data;
 
-	switch (key->alg) {
+	switch (key->conf.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);
+				key->u.tkip.tx.iv32,
+				key->u.tkip.tx.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;
+	case ALG_AES_CMAC:
+		tpn = key->u.aes_cmac.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;
 	}
@@ -103,7 +130,7 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 	int i, len;
 	const u8 *rpn;
 
-	switch (key->alg) {
+	switch (key->conf.alg) {
 	case ALG_WEP:
 		len = scnprintf(buf, sizeof(buf), "\n");
 		break;
@@ -111,8 +138,8 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 		for (i = 0; i < NUM_RX_DATA_QUEUES; i++)
 			p += scnprintf(p, sizeof(buf)+buf-p,
 				       "%08x %04x\n",
-				       key->u.tkip.iv32_rx[i],
-				       key->u.tkip.iv16_rx[i]);
+				       key->u.tkip.rx[i].iv32,
+				       key->u.tkip.rx[i].iv16);
 		len = p - buf;
 		break;
 	case ALG_CCMP:
@@ -125,6 +152,14 @@ static ssize_t key_rx_spec_read(struct file *file, char __user *userbuf,
 		}
 		len = p - buf;
 		break;
+	case ALG_AES_CMAC:
+		rpn = key->u.aes_cmac.rx_pn;
+		p += scnprintf(p, sizeof(buf)+buf-p,
+			       "%02x%02x%02x%02x%02x%02x\n",
+			       rpn[0], rpn[1], rpn[2],
+			       rpn[3], rpn[4], rpn[5]);
+		len = p - buf;
+		break;
 	default:
 		return 0;
 	}
@@ -139,23 +174,50 @@ static ssize_t key_replays_read(struct file *file, char __user *userbuf,
 	char buf[20];
 	int len;
 
-	if (key->alg != ALG_CCMP)
+	switch (key->conf.alg) {
+	case ALG_CCMP:
+		len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
+		break;
+	case ALG_AES_CMAC:
+		len = scnprintf(buf, sizeof(buf), "%u\n",
+				key->u.aes_cmac.replays);
+		break;
+	default:
 		return 0;
-	len = scnprintf(buf, sizeof(buf), "%u\n", key->u.ccmp.replays);
+	}
 	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
 }
 KEY_OPS(replays);
 
+static ssize_t key_icverrors_read(struct file *file, char __user *userbuf,
+				  size_t count, loff_t *ppos)
+{
+	struct ieee80211_key *key = file->private_data;
+	char buf[20];
+	int len;
+
+	switch (key->conf.alg) {
+	case ALG_AES_CMAC:
+		len = scnprintf(buf, sizeof(buf), "%u\n",
+				key->u.aes_cmac.icverrors);
+		break;
+	default:
+		return 0;
+	}
+	return simple_read_from_buffer(userbuf, count, ppos, buf, len);
+}
+KEY_OPS(icverrors);
+
 static ssize_t key_key_read(struct file *file, char __user *userbuf,
 			    size_t count, loff_t *ppos)
 {
 	struct ieee80211_key *key = file->private_data;
-	int i, res, bufsize = 2*key->keylen+2;
+	int i, res, bufsize = 2 * key->conf.keylen + 2;
 	char *buf = kmalloc(bufsize, GFP_KERNEL);
 	char *p = buf;
 
-	for (i = 0; i < key->keylen; i++)
-		p += scnprintf(p, bufsize+buf-p, "%02x", key->key[i]);
+	for (i = 0; i < key->conf.keylen; i++)
+		p += scnprintf(p, bufsize + buf - p, "%02x", key->conf.key[i]);
 	p += scnprintf(p, bufsize+buf-p, "\n");
 	res = simple_read_from_buffer(userbuf, count, ppos, buf, p - buf);
 	kfree(buf);
@@ -164,28 +226,40 @@ static ssize_t key_key_read(struct file *file, char __user *userbuf,
 KEY_OPS(key);
 
 #define DEBUGFS_ADD(name) \
-	key->debugfs.name = debugfs_create_file(#name, 0400,\
-				key->debugfs.dir, key, &key_##name##_ops);
+	debugfs_create_file(#name, 0400, key->debugfs.dir, \
+			    key, &key_##name##_ops);
 
-void ieee80211_debugfs_key_add(struct ieee80211_local *local,
-			       struct ieee80211_key *key)
-{
+void ieee80211_debugfs_key_add(struct ieee80211_key *key)
+  {
 	static int keycount;
-	char buf[20];
+	char buf[50];
+	struct sta_info *sta;
 
-	if (!local->debugfs.keys)
+	if (!key->local->debugfs.keys)
 		return;
 
 	sprintf(buf, "%d", keycount);
+	key->debugfs.cnt = keycount;
 	keycount++;
 	key->debugfs.dir = debugfs_create_dir(buf,
-					local->debugfs.keys);
+					key->local->debugfs.keys);
 
 	if (!key->debugfs.dir)
 		return;
 
+	rcu_read_lock();
+	sta = rcu_dereference(key->sta);
+	if (sta)
+		sprintf(buf, "../../stations/%pM", sta->sta.addr);
+	rcu_read_unlock();
+
+	/* using sta as a boolean is fine outside RCU lock */
+	if (sta)
+		key->debugfs.stalink =
+			debugfs_create_symlink("station", key->debugfs.dir, buf);
+
 	DEBUGFS_ADD(keylen);
-	DEBUGFS_ADD(force_sw_encrypt);
+	DEBUGFS_ADD(flags);
 	DEBUGFS_ADD(keyidx);
 	DEBUGFS_ADD(hw_key_idx);
 	DEBUGFS_ADD(tx_rx_count);
@@ -193,44 +267,39 @@ void ieee80211_debugfs_key_add(struct ieee80211_local *local,
 	DEBUGFS_ADD(tx_spec);
 	DEBUGFS_ADD(rx_spec);
 	DEBUGFS_ADD(replays);
+	DEBUGFS_ADD(icverrors);
 	DEBUGFS_ADD(key);
+	DEBUGFS_ADD(ifindex);
 };
 
-#define DEBUGFS_DEL(name) \
-	debugfs_remove(key->debugfs.name); key->debugfs.name = NULL;
-
 void ieee80211_debugfs_key_remove(struct ieee80211_key *key)
 {
 	if (!key)
 		return;
 
-	DEBUGFS_DEL(keylen);
-	DEBUGFS_DEL(force_sw_encrypt);
-	DEBUGFS_DEL(keyidx);
-	DEBUGFS_DEL(hw_key_idx);
-	DEBUGFS_DEL(tx_rx_count);
-	DEBUGFS_DEL(algorithm);
-	DEBUGFS_DEL(tx_spec);
-	DEBUGFS_DEL(rx_spec);
-	DEBUGFS_DEL(replays);
-	DEBUGFS_DEL(key);
-
-	debugfs_remove(key->debugfs.stalink);
-	key->debugfs.stalink = NULL;
-	debugfs_remove(key->debugfs.dir);
+	debugfs_remove_recursive(key->debugfs.dir);
 	key->debugfs.dir = NULL;
 }
 void ieee80211_debugfs_key_add_default(struct ieee80211_sub_if_data *sdata)
 {
 	char buf[50];
+	struct ieee80211_key *key;
 
-	if (!sdata->debugfsdir)
+	if (!sdata->debugfs.dir)
 		return;
 
-	sprintf(buf, "../keys/%d", sdata->default_key->keyidx);
-	sdata->debugfs.default_key =
-		debugfs_create_symlink("default_key", sdata->debugfsdir, buf);
+	/* this is running under the key lock */
+
+	key = sdata->default_key;
+	if (key) {
+		sprintf(buf, "../keys/%d", key->debugfs.cnt);
+		sdata->debugfs.default_key =
+			debugfs_create_symlink("default_key",
+					       sdata->debugfs.dir, buf);
+	} else
+		ieee80211_debugfs_key_remove_default(sdata);
 }
+
 void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 {
 	if (!sdata)
@@ -239,17 +308,34 @@ void ieee80211_debugfs_key_remove_default(struct ieee80211_sub_if_data *sdata)
 	debugfs_remove(sdata->debugfs.default_key);
 	sdata->debugfs.default_key = NULL;
 }
-void ieee80211_debugfs_key_sta_link(struct ieee80211_key *key,
-				    struct sta_info *sta)
+
+void ieee80211_debugfs_key_add_mgmt_default(struct ieee80211_sub_if_data *sdata)
 {
 	char buf[50];
+	struct ieee80211_key *key;
 
-	if (!key->debugfs.dir)
+	if (!sdata->debugfs.dir)
+		return;
+
+	/* this is running under the key lock */
+
+	key = sdata->default_mgmt_key;
+	if (key) {
+		sprintf(buf, "../keys/%d", key->debugfs.cnt);
+		sdata->debugfs.default_mgmt_key =
+			debugfs_create_symlink("default_mgmt_key",
+					       sdata->debugfs.dir, buf);
+	} else
+		ieee80211_debugfs_key_remove_mgmt_default(sdata);
+}
+
+void ieee80211_debugfs_key_remove_mgmt_default(struct ieee80211_sub_if_data *sdata)
+{
+	if (!sdata)
 		return;
 
-	sprintf(buf, "../../stations/" MAC_FMT, MAC_ARG(sta->addr));
-	key->debugfs.stalink =
-		debugfs_create_symlink("station", key->debugfs.dir, buf);
+	debugfs_remove(sdata->debugfs.default_mgmt_key);
+	sdata->debugfs.default_mgmt_key = NULL;
 }
 
 void ieee80211_debugfs_key_sta_del(struct ieee80211_key *key,