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Posted to dev@subversion.apache.org by "Hyrum K. Wright" <hy...@mail.utexas.edu> on 2010/08/09 18:38:23 UTC

Re: svn commit: r983764 - /subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c

This fix should probably be made on trunk, yes?

-Hyrum

On Mon, Aug 9, 2010 at 1:27 PM,  <st...@apache.org> wrote:
> Author: stefan2
> Date: Mon Aug  9 18:27:49 2010
> New Revision: 983764
>
> URL: http://svn.apache.org/viewvc?rev=983764&view=rev
> Log:
> Fix an obvious typo in the path validation code that is also present at /trunk.
> It produces false negatives, i.e. certain malformed URIs won't be detected.
>
> * subversion/libsvn_subr/dirent_uri.c
>  (svn_uri_is_canonical): actually compare the chars following '%' instead
>   of comparing '%'+1 and '%'+2.
>
> Modified:
>    subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c
>
> Modified: subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c
> URL: http://svn.apache.org/viewvc/subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c?rev=983764&r1=983763&r2=983764&view=diff
> ==============================================================================
> --- subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c (original)
> +++ subversion/branches/performance/subversion/libsvn_subr/dirent_uri.c Mon Aug  9 18:27:49 2010
> @@ -1901,11 +1901,11 @@ svn_uri_is_canonical(const char *uri, ap
>
>               /* Can't use apr_isxdigit() because lower case letters are
>                  not in our canonical format */
> -              if (((*(ptr+1) < '0' || (*ptr+1) > '9'))
> -                  && (*(ptr+1) < 'A' || (*ptr+1) > 'F'))
> +              if (((*(ptr+1) < '0' || *(ptr+1) > '9'))
> +                  && (*(ptr+1) < 'A' || *(ptr+1) > 'F'))
>                 return FALSE;
> -              else if (((*(ptr+2) < '0' || (*ptr+2) > '9'))
> -                  && (*(ptr+2) < 'A' || (*ptr+2) > 'F'))
> +              else if (((*(ptr+2) < '0' || *(ptr+2) > '9'))
> +                  && (*(ptr+2) < 'A' || *(ptr+2) > 'F'))
>                 return FALSE;
>
>               digitz[0] = *(++ptr);
>
>
>