Re: [Bluez-devel] off-by-one bugfix for sdp_data_alloc

["Jeff Wilson" <jazzbotley@gmail.com>]

Oh, I get it.  I was looking at where it was published
(sdp_set_info_attr), but now I see where it's queried (from `sdptool
browse`).  So maybe this patch is more appropriate.

     Regards,
      Jeff


--- bluez-libs-3.4/src/sdp.c    2006-08-24 20:16:12.000000000 -0500
+++ bluez-libs-3.4/src/sdp.c.mod        2006-09-04 17:07:56.000000000 -0500
@@ -1148,13 +1148,13 @@
 {
        sdp_data_t *d = sdp_data_get(rec, SDP_ATTR_SVCNAME_PRIMARY);
        if (d)
-               printf("Service Name: %s\n", d->val.str);
+               printf("Service Name: %.*s\n", d->unitSize, d->val.str);
        d = sdp_data_get(rec, SDP_ATTR_SVCDESC_PRIMARY);
        if (d)
-               printf("Service Description: %s\n", d->val.str);
+               printf("Service Description: %.*s\n", d->unitSize, d->val.str);
        d = sdp_data_get(rec, SDP_ATTR_PROVNAME_PRIMARY);
        if (d)
-               printf("Service Provider: %s\n", d->val.str);
+               printf("Service Provider: %.*s\n", d->unitSize, d->val.str);
 }

 #ifdef SDP_DEBUG


On 9/3/06, Marcel Holtmann <marcel@holtmann.org> wrote:
> Hi Jeff,
>
> > The following patch against bluez-libs-3.4 fixes a problem where the
> > last character of a null-terminated string is lost.  Adding the +1
> > accounts for and preserves the null terminator.
>
> the SDP strings are not NULL terminated strings. They a prefixed with a
> length value. So what is the reason for storing the NULL terminator in
> the records? Show me an example what actually goes wrong here.
>
> Regards
>
> Marcel
>
>
>
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