Function check_speling

modules/mappers/mod_speling.c:197–512

}

static int check_speling(request_rec *r)
{
    spconfig *cfg;
    char *good, *bad, *postgood, *url;
    apr_finfo_t dirent;
    int filoc, dotloc, urlen, pglen;
    apr_array_header_t *candidates = NULL;
    apr_dir_t          *dir;

    cfg = ap_get_module_config(r->per_dir_config, &speling_module);
    if (!cfg->enabled) {
        return DECLINED;
    }

    /* We only want to worry about GETs */
    if (r->method_number != M_GET) {
        return DECLINED;
    }

    /* We've already got a file of some kind or another */
    if (r->finfo.filetype != APR_NOFILE) {
        return DECLINED;
    }

    /* Not a file request */
    if (r->proxyreq || !r->filename) {
        return DECLINED;
    }

    /* This is a sub request - don't mess with it */
    if (r->main) {
        return DECLINED;
    }

    /*
     * The request should end up looking like this:
     * r->uri: /correct-url/mispelling/more
     * r->filename: /correct-file/mispelling r->path_info: /more
     *
     * So we do this in steps. First break r->filename into two pieces
     */

    filoc = ap_rind(r->filename, '/');
    /*
     * Don't do anything if the request doesn't contain a slash, or
     * requests "/"
     */
    if (filoc == -1 || strcmp(r->uri, "/") == 0) {
        return DECLINED;
    }

    /* good = /correct-file */
    good = apr_pstrndup(r->pool, r->filename, filoc);
    /* bad = mispelling */
    bad = apr_pstrdup(r->pool, r->filename + filoc + 1);
    /* postgood = mispelling/more */
    postgood = apr_pstrcat(r->pool, bad, r->path_info, NULL);