On Mon, Jan 24, 2011 at 2:22 PM, C. Michael Pilato <cmpil...@collab.net> wrote:
> [Using dev@ as a public TODO list to avoid pushing stack on a task.]
>
> In mod_dav_svn/mirror.c:dav_svn__location_body_filter() and
> dav_svn__location_in_filter() are code blocks like this:
>
> if (uri.path)
> canonicalized_uri = svn_urlpath__canonicalize(uri.path, r->pool);
> else
> canonicalized_uri = uri.path;
> if (strcmp(canonicalized_uri, root_dir) == 0) {
> [...]
>
> So ... if uri.path == NULL, then canonicalized_uri is set to NULL, and then
> that NULL is used in a strcmp(). Won't that SEGFAULT?
It'd be difficult (if not outright impossible) to hit that else case.
Follow apr_uri_parse and apr_pstrmemdup. Also know that we don't hit
this code block if master_uri isn't set. The original code I wrote
was just a straight strcmp - I believe the check for null is spurious.
My $.02. -- justin
