From: Jo-Philipp Wich <jow@openwrt.org>
Date: Mon, 24 Aug 2009 16:11:15 +0000 (+0000)
Subject: libs/iwinfo: fixes for brcm-2.4
X-Git-Tag: 0.10.0~1156
X-Git-Url: https://git.archive.openwrt.org/?p=project%2Fluci.git;a=commitdiff_plain;h=3b42dc16889bc10889e9f8cd56e0ab93b105086b;ds=sidebyside

libs/iwinfo: fixes for brcm-2.4
---

diff --git a/libs/iwinfo/src/iwinfo_lualib.c b/libs/iwinfo/src/iwinfo_lualib.c
index a798d7729..2efc7871a 100644
--- a/libs/iwinfo/src/iwinfo_lualib.c
+++ b/libs/iwinfo/src/iwinfo_lualib.c
@@ -161,44 +161,47 @@ static int iwinfo_L_scanlist(lua_State *L, int (*func)(const char *, char *, int
 			lua_setfield(L, -2, "signal");
 
 			/* Crypto */
-			lua_pushinteger(L, e->crypto.wpa_version);
-			lua_setfield(L, -2, "wpa");
-
 			lua_pushboolean(L, (!e->crypto.wpa_version && e->crypto.enabled));
 			lua_setfield(L, -2, "wep");
 
-			lua_newtable(L);
-			for( j = 0, y = 1; j < IW_IE_CYPHER_NUM; j++ )
+			if( e->crypto.wpa_version )
 			{
-				if( e->crypto.group_ciphers & (1<<j) )
+				lua_pushinteger(L, e->crypto.wpa_version);
+				lua_setfield(L, -2, "wpa");
+
+				lua_newtable(L);
+				for( j = 0, y = 1; j < IW_IE_CYPHER_NUM; j++ )
 				{
-					lua_pushstring(L, iw_ie_cypher_name[j]);
-					lua_rawseti(L, -2, y++);
+					if( e->crypto.group_ciphers & (1<<j) )
+					{
+						lua_pushstring(L, iw_ie_cypher_name[j]);
+						lua_rawseti(L, -2, y++);
+					}
 				}
-			}
-			lua_setfield(L, -2, "group_ciphers");
+				lua_setfield(L, -2, "group_ciphers");
 
-			lua_newtable(L);
-			for( j = 0, y = 1; j < IW_IE_CYPHER_NUM; j++ )
-			{
-				if( e->crypto.pair_ciphers & (1<<j) )
+				lua_newtable(L);
+				for( j = 0, y = 1; j < IW_IE_CYPHER_NUM; j++ )
 				{
-					lua_pushstring(L, iw_ie_cypher_name[j]);
-					lua_rawseti(L, -2, y++);
+					if( e->crypto.pair_ciphers & (1<<j) )
+					{
+						lua_pushstring(L, iw_ie_cypher_name[j]);
+						lua_rawseti(L, -2, y++);
+					}
 				}
-			}
-			lua_setfield(L, -2, "pair_ciphers");
+				lua_setfield(L, -2, "pair_ciphers");
 
-			lua_newtable(L);
-			for( j = 0, y = 1; j < IW_IE_KEY_MGMT_NUM; j++ )
-			{
-				if( e->crypto.auth_suites & (1<<j) )
+				lua_newtable(L);
+				for( j = 0, y = 1; j < IW_IE_KEY_MGMT_NUM; j++ )
 				{
-					lua_pushstring(L, iw_ie_key_mgmt_name[j]);
-					lua_rawseti(L, -2, y++);
+					if( e->crypto.auth_suites & (1<<j) )
+					{
+						lua_pushstring(L, iw_ie_key_mgmt_name[j]);
+						lua_rawseti(L, -2, y++);
+					}
 				}
+				lua_setfield(L, -2, "auth_suites");
 			}
-			lua_setfield(L, -2, "auth_suites");
 
 			lua_rawseti(L, -2, x);
 		}
diff --git a/libs/iwinfo/src/iwinfo_wext_scan.c b/libs/iwinfo/src/iwinfo_wext_scan.c
index fcfecbb6f..7c461b5e7 100644
--- a/libs/iwinfo/src/iwinfo_wext_scan.c
+++ b/libs/iwinfo/src/iwinfo_wext_scan.c
@@ -43,7 +43,7 @@ static double wext_freq2float(const struct iw_freq *in)
 	return res;
 }
 
-static int wext_extract_event(struct stream_descr *stream, struct iw_event *iwe)
+static int wext_extract_event(struct stream_descr *stream, struct iw_event *iwe, int wev)
 {
 	const struct iw_ioctl_description *descr = NULL;
 	int event_type = 0;
@@ -83,6 +83,10 @@ static int wext_extract_event(struct stream_descr *stream, struct iw_event *iwe)
 	/* Unknown events -> event_type=0 => IW_EV_LCP_PK_LEN */
 	event_len = event_type_size[event_type];
 
+	/* Fixup for earlier version of WE */
+	if((wev <= 18) && (event_type == IW_HEADER_TYPE_POINT))
+		event_len += IW_EV_POINT_OFF;
+
 	/* Check if we know about this event */
 	if(event_len <= IW_EV_LCP_PK_LEN)
 	{
@@ -109,7 +113,7 @@ static int wext_extract_event(struct stream_descr *stream, struct iw_event *iwe)
 
 	/* Fixup for WE-19 and later : pointer no longer in the stream */
 	/* Beware of alignement. Dest has local alignement, not packed */
-	if( event_type == IW_HEADER_TYPE_POINT )
+	if( (wev > 18) && (event_type == IW_HEADER_TYPE_POINT) )
 		memcpy((char *) iwe + IW_EV_LCP_LEN + IW_EV_POINT_OFF, pointer, event_len);
 	else
 		memcpy((char *) iwe + IW_EV_LCP_LEN, pointer, event_len);
@@ -230,11 +234,6 @@ static inline void wext_fill_wpa(unsigned char *iebuf, int buflen, struct iwinfo
 
 	struct iwinfo_crypto_entry *ce = &e->crypto;
 
-	if( !ce->enabled )
-		return;
-
-	//memset(&e->crypto, 0, sizeof(struct iwinfo_crypto_entry));
-
 	if(ielen > buflen)
 		ielen = buflen;
 
@@ -391,6 +390,7 @@ static inline int wext_fill_entry(struct stream_descr *stream, struct iw_event *
 					sprintf((char *) e->mode, "Ad-Hoc");
 					break;
 
+				case 2:
 				case 3:
 					sprintf((char *) e->mode, "Master");
 					break;
@@ -608,7 +608,7 @@ int wext_get_scanlist(const char *ifname, char *buf, int *len)
 				do
 				{
 					/* Extract an event and print it */
-					ret = wext_extract_event(&stream, &iwe);
+					ret = wext_extract_event(&stream, &iwe, range.we_version_compiled);
 
 					if(ret >= 0)
 					{
@@ -620,6 +620,10 @@ int wext_get_scanlist(const char *ifname, char *buf, int *len)
 							}
 							else if( (entrylen + sizeof(struct iwinfo_scanlist_entry)) <= IWINFO_BUFSIZE )
 							{
+								/* if encryption is off, clear the crypto strunct */
+								if( !e.crypto.enabled )
+									memset(&e.crypto, 0, sizeof(struct iwinfo_crypto_entry));
+
 								memcpy(&buf[entrylen], &e, sizeof(struct iwinfo_scanlist_entry));
 								entrylen += sizeof(struct iwinfo_scanlist_entry);
 							}