Commit 76d38a01 authored by William A. Rowe Jr's avatar William A. Rowe Jr
Browse files

  Now, introduce ap_sub_req_lookup_dirent() for processing apr_finfo_t
  results from mod_negotiation and mod_autoindex.


git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@89443 13f79535-47bb-0310-9956-ffa450edef68
parent e6ad0f8f
Loading
Loading
Loading
Loading
+88 −0
Original line number Diff line number Diff line
@@ -954,6 +954,94 @@ AP_DECLARE(request_rec *) ap_sub_req_lookup_uri(const char *new_file,
    return ap_sub_req_method_uri("GET", new_file, r, next_filter);
}

AP_DECLARE(request_rec *) ap_sub_req_lookup_dirent(apr_finfo_t *dirent,
                                                   const request_rec *r,
                                                   ap_filter_t *next_filter)
{
    request_rec *rnew;
    int res;
    char *fdir;
    char *udir;

    rnew = make_sub_request(r);
    fill_in_sub_req_vars(rnew, r, next_filter);

    rnew->chunked        = r->chunked;

    /* We have to run this after ap_set_sub_req_protocol, or the r->main
     * pointer won't be setup
     */
    ap_run_create_request(rnew);

    fdir = ap_make_dirstr_parent(rnew->pool, dirent->name);

    /*
     * Special case: we are looking at a relative lookup in the same directory. 
     * That means we won't have to redo directory_walk, and we may
     * not even have to redo access checks.
     */

    udir = ap_make_dirstr_parent(rnew->pool, r->uri);
    apr_status_t rv;

    rnew->uri = ap_make_full_path(rnew->pool, udir, dirent->name);
    rnew->filename = ap_make_full_path(rnew->pool, fdir, dirent->name);
    ap_parse_uri(rnew, rnew->uri);    /* fill in parsed_uri values */

    if ((dirent->finfo & APR_FINFO_MIN) != APR_FINFO_MIN) {
        if (((rv = apr_stat(&rnew->finfo, rnew->filename,
                            APR_FINFO_MIN, rnew->pool)) != APR_SUCCESS)
                                                 && (rv != APR_INCOMPLETE)) {
            rnew->finfo.filetype = 0;
        }
    }
    else {
        r->finfo = apr_palloc(rnew->pool, sizeof(apr_finfo_t));
        memcpy (r->finfo, dirent);
    }

    if ((res = check_safe_file(rnew))) {
        rnew->status = res;
        return rnew;
    }

    rnew->per_dir_config = r->per_dir_config;

    /*
     * no matter what, if it's a subdirectory, we need to re-run
     * directory_walk
     */
    if (rnew->finfo.filetype == APR_DIR) {
        res = directory_walk(rnew);
        if (!res) {
            res = file_walk(rnew);
        }
    }
    else {
        if ((res = check_symlinks(rnew->filename, ap_allow_options(rnew),
                                  rnew->pool))) {
            ap_log_rerror(APLOG_MARK, APLOG_NOERRNO|APLOG_ERR, 0, rnew,
                        "Symbolic link not allowed: %s", rnew->filename);
            rnew->status = res;
            return rnew;
        }
        /*
         * do a file_walk, if it doesn't change the per_dir_config then
         * we know that we don't have to redo all the access checks
         */
        if ((res = file_walk(rnew))) {
            rnew->status = res;
            return rnew;
        }
        if (rnew->per_dir_config == r->per_dir_config) {
            if ((res = ap_run_type_checker(rnew)) || (res = ap_run_fixups(rnew))) {
                rnew->status = res;
            }
            return rnew;
        }
    }
}

AP_DECLARE(request_rec *) ap_sub_req_lookup_file(const char *new_file,
                                              const request_rec *r,
                                              ap_filter_t *next_filter)