libs/iwinfo: fixes for brcm-2.4

[project/luci.git] / libs / iwinfo / src / iwinfo_wext_scan.c

diff --git a/libs/iwinfo/src/iwinfo_wext_scan.c b/libs/iwinfo/src/iwinfo_wext_scan.c
index fcfecbb..7c461b5 100644 (file)
--- 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);
                                                        }