static ngx_int_t
ngx_http_autoindex_error(ngx_http_request_t *r, ngx_dir_t *dir, ngx_str_t *name)
{
    if (ngx_close_dir(dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                      ngx_close_dir_n " \"%V\" failed", name);
    }

    return NGX_HTTP_INTERNAL_SERVER_ERROR;
}
Ejemplo n.º 2
0
ngx_int_t
ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree)
{
    void       *data, *prev;
    u_char     *p, *name;
    size_t      len;
    ngx_int_t   rc;
    ngx_err_t   err;
    ngx_str_t   file, buf;
    ngx_dir_t   dir;

    ngx_str_null(&buf);

    ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                   "walk tree \"%V\"", tree);

    if (ngx_open_dir(tree, &dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
                      ngx_open_dir_n " \"%s\" failed", tree->data);
        return NGX_ERROR;
    }

    prev = ctx->data;

    if (ctx->alloc) {
        data = ngx_alloc(ctx->alloc, ctx->log);
        if (data == NULL) {
            goto failed;
        }

        if (ctx->init_handler(data, prev) == NGX_ABORT) {
            goto failed;
        }

        ctx->data = data;

    } else {
        data = NULL;
    }

    for ( ;; ) {

        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (err == NGX_ENOMOREFILES) {
                rc = NGX_OK;

            } else {
                ngx_log_error(NGX_LOG_CRIT, ctx->log, err,
                              ngx_read_dir_n " \"%s\" failed", tree->data);
                rc = NGX_ERROR;
            }

            goto done;
        }

        len = ngx_de_namelen(&dir);
        name = ngx_de_name(&dir);

        ngx_log_debug2(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                      "tree name %uz:\"%s\"", len, name);

        if (len == 1 && name[0] == '.') {
            continue;
        }

        if (len == 2 && name[0] == '.' && name[1] == '.') {
            continue;
        }

        file.len = tree->len + 1 + len;

        if (file.len + NGX_DIR_MASK_LEN > buf.len) {

            if (buf.len) {
                ngx_free(buf.data);
            }

            buf.len = tree->len + 1 + len + NGX_DIR_MASK_LEN;

            buf.data = ngx_alloc(buf.len + 1, ctx->log);
            if (buf.data == NULL) {
                goto failed;
            }
        }

        p = ngx_cpymem(buf.data, tree->data, tree->len);
        *p++ = '/';
        ngx_memcpy(p, name, len + 1);

        file.data = buf.data;

        ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                       "tree path \"%s\"", file.data);

        if (!dir.valid_info) {
            if (ngx_de_info(file.data, &dir) == NGX_FILE_ERROR) {
                ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
                              ngx_de_info_n " \"%s\" failed", file.data);
                continue;
            }
        }

        if (ngx_de_is_file(&dir)) {

            ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                           "tree file \"%s\"", file.data);

            ctx->size = ngx_de_size(&dir);
            ctx->fs_size = ngx_de_fs_size(&dir);
            ctx->access = ngx_de_access(&dir);
            ctx->mtime = ngx_de_mtime(&dir);

            if (ctx->file_handler(ctx, &file) == NGX_ABORT) {
                goto failed;
            }

        } else if (ngx_de_is_dir(&dir)) {

            ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                           "tree enter dir \"%s\"", file.data);

            ctx->access = ngx_de_access(&dir);
            ctx->mtime = ngx_de_mtime(&dir);

            rc = ctx->pre_tree_handler(ctx, &file);

            if (rc == NGX_ABORT) {
                goto failed;
            }

            if (rc == NGX_DECLINED) {
                ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                               "tree skip dir \"%s\"", file.data);
                continue;
            }

            if (ngx_walk_tree(ctx, &file) == NGX_ABORT) {
                goto failed;
            }

            ctx->access = ngx_de_access(&dir);
            ctx->mtime = ngx_de_mtime(&dir);

            if (ctx->post_tree_handler(ctx, &file) == NGX_ABORT) {
                goto failed;
            }

        } else {

            ngx_log_debug1(NGX_LOG_DEBUG_CORE, ctx->log, 0,
                           "tree special \"%s\"", file.data);

            if (ctx->spec_handler(ctx, &file) == NGX_ABORT) {
                goto failed;
            }
        }
    }

failed:

    rc = NGX_ABORT;

done:

    if (buf.len) {
        ngx_free(buf.data);
    }

    if (data) {
        ngx_free(data);
        ctx->data = prev;
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_CRIT, ctx->log, ngx_errno,
                      ngx_close_dir_n " \"%s\" failed", tree->data);
    }

    return rc;
}
static ngx_int_t
ngx_http_autoindex_handler(ngx_http_request_t *r)
{
    u_char                         *last, *filename;
    size_t                          len, allocated, root;
    ngx_err_t                       err;
    ngx_buf_t                      *b;
    ngx_int_t                       rc, size;
    ngx_str_t                       path;
    ngx_dir_t                       dir;
    ngx_uint_t                      level, utf8;
    ngx_pool_t                     *pool;
    ngx_time_t                     *tp;
    ngx_chain_t                     out;
    ngx_array_t                     entries;
    ngx_http_autoindex_entry_t     *entry;
    ngx_http_autoindex_loc_conf_t  *alcf;

    static char  *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
                               "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };

    if (r->uri.data[r->uri.len - 1] != '/') {
        return NGX_DECLINED;
    }

    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
        return NGX_DECLINED;
    }

    alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);

    if (!alcf->enable) {
        return NGX_DECLINED;
    }

    /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */

    last = ngx_http_map_uri_to_path(r, &path, &root,
                                    NGX_HTTP_AUTOINDEX_PREALLOCATE);
    if (last == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    allocated = path.len;
    path.len = last - path.data;
    if (path.len > 1) {
        path.len--;
    }
    path.data[path.len] = '\0';

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http autoindex: \"%s\"", path.data);

    if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
        err = ngx_errno;

        if (err == NGX_ENOENT
            || err == NGX_ENOTDIR
            || err == NGX_ENAMETOOLONG)
        {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_NOT_FOUND;

        } else if (err == NGX_EACCES) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_FORBIDDEN;

        } else {
            level = NGX_LOG_CRIT;
            rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
        }

        ngx_log_error(level, r->connection->log, err,
                      ngx_open_dir_n " \"%s\" failed", path.data);

        return rc;
    }

#if (NGX_SUPPRESS_WARN)

    /* MSVC thinks 'entries' may be used without having been initialized */
    ngx_memzero(&entries, sizeof(ngx_array_t));

#endif

    /* TODO: pool should be temporary pool */
    pool = r->pool;

    if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t))
        != NGX_OK)
    {
        return ngx_http_autoindex_error(r, &dir, &path);
    }

    r->headers_out.status = NGX_HTTP_OK;
    r->headers_out.content_type_len = sizeof("application/javascript") - 1;
	r->headers_out.content_type.len = sizeof("application/javascript") - 1;
	r->headers_out.content_type.data = (u_char *) "application/javascript";

    rc = ngx_http_send_header(r);

    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
        if (ngx_close_dir(&dir) == NGX_ERROR) {
            ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                          ngx_close_dir_n " \"%V\" failed", &path);
        }

        return rc;
    }

    filename = path.data;
    filename[path.len] = '/';

    if (r->headers_out.charset.len == 5
        && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5)
           == 0)
    {
        utf8 = 1;

    } else {
        utf8 = 0;
    }

    for ( ;; ) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (err != NGX_ENOMOREFILES) {
                ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                              ngx_read_dir_n " \"%V\" failed", &path);
                return ngx_http_autoindex_error(r, &dir, &path);
            }

            break;
        }

        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "http autoindex file: \"%s\"", ngx_de_name(&dir));

        len = ngx_de_namelen(&dir);

        if (ngx_de_name(&dir)[0] == '.') {
            continue;
        }

        if (!dir.valid_info) {

            /* 1 byte for '/' and 1 byte for terminating '\0' */

            if (path.len + 1 + len + 1 > allocated) {
                allocated = path.len + 1 + len + 1
                                     + NGX_HTTP_AUTOINDEX_PREALLOCATE;

                filename = ngx_pnalloc(pool, allocated);
                if (filename == NULL) {
                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                last = ngx_cpystrn(filename, path.data, path.len + 1);
                *last++ = '/';
            }

            ngx_cpystrn(last, ngx_de_name(&dir), len + 1);

            if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
                err = ngx_errno;

                if (err != NGX_ENOENT) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                                  ngx_de_info_n " \"%s\" failed", filename);

                    if (err == NGX_EACCES) {
                        continue;
                    }

                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
                                  ngx_de_link_info_n " \"%s\" failed",
                                  filename);
                    return ngx_http_autoindex_error(r, &dir, &path);
                }
            }
        }

        entry = ngx_array_push(&entries);
        if (entry == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        entry->name.len = len;

        entry->name.data = ngx_pnalloc(pool, len + 1);
        if (entry->name.data == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);

        entry->escape = 2 * ngx_escape_uri(NULL, ngx_de_name(&dir), len,
                                           NGX_ESCAPE_URI_COMPONENT);

        entry->escape_html = ngx_escape_html(NULL, entry->name.data,
                                             entry->name.len);

        if (utf8) {
            entry->utf_len = ngx_utf8_length(entry->name.data, entry->name.len);
        } else {
            entry->utf_len = len;
        }

        entry->dir = ngx_de_is_dir(&dir);
        entry->mtime = ngx_de_mtime(&dir);
        entry->size = ngx_de_size(&dir);
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                      ngx_close_dir_n " \"%s\" failed", &path);
    }

    b = autoindex_generate_html(r, entries, alcf);


    if (r == r->main) {
        b->last_buf = 1;
    }

    b->last_in_chain = 1;

    out.buf = b;
    out.next = NULL;

    return ngx_http_output_filter(r, &out);
}
/*
location / {			
    index index11.html	#必须保证新uri所在目录存在并且该目录下面没有index11.html,autoindex对应的ngx_http_autoindex_handler才会生效		
    autoindex on;		
}
只有在index11.html文件不存在的时候才会执行autoindex,如果没有设置index则默认打开index.html,必须保证index.html的uri目录存在,如果不存在,是一个不存在的目录也不会执行autoindex
*/
static ngx_int_t  
ngx_http_autoindex_handler(ngx_http_request_t *r) //只有在index-module不编译进来的时候该模块才会生效
{ //获取uri目录中的所有文件信息组包发送给客户端浏览器
    u_char                         *last, *filename;
    size_t                          len, allocated, root;
    ngx_err_t                       err;
    ngx_buf_t                      *b;
    ngx_int_t                       rc;
    ngx_str_t                       path, callback;
    ngx_dir_t                       dir;
    ngx_uint_t                      level, format;
    ngx_pool_t                     *pool;
    ngx_chain_t                     out;
    ngx_array_t                     entries;
    ngx_http_autoindex_entry_t     *entry;
    ngx_http_autoindex_loc_conf_t  *alcf;

    if (r->uri.data[r->uri.len - 1] != '/') { //autoindex的uri必须是目录形式,最末尾字符/
        return NGX_DECLINED;
    }

    alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);

    //如果没有配置index或者try_files,则匹配location / {}到后会默认使用html/index.html 
    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
        return NGX_DECLINED;
    }

    alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);

    if (!alcf->enable) {
        return NGX_DECLINED;
    }

    /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */

    last = ngx_http_map_uri_to_path(r, &path, &root,
                                    NGX_HTTP_AUTOINDEX_PREALLOCATE);

    if (last == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    allocated = path.len;
    path.len = last - path.data;
    if (path.len > 1) {
        path.len--;
    }
    path.data[path.len] = '\0';

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http autoindex: \"%s\"", path.data);

    format = alcf->format;

    if (format == NGX_HTTP_AUTOINDEX_JSONP) {
        if (ngx_http_autoindex_jsonp_callback(r, &callback) != NGX_OK) {
            return NGX_HTTP_BAD_REQUEST;
        }

        if (callback.len == 0) {
            format = NGX_HTTP_AUTOINDEX_JSON;
        }
    }

    if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
        err = ngx_errno;

        if (err == NGX_ENOENT
            || err == NGX_ENOTDIR
            || err == NGX_ENAMETOOLONG)
        {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_NOT_FOUND;

        } else if (err == NGX_EACCES) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_FORBIDDEN;

        } else {
            level = NGX_LOG_CRIT;
            rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
        }

        ngx_log_error(level, r->connection->log, err,
                      ngx_open_dir_n " \"%s\" failed", path.data);

        return rc;
    }

#if (NGX_SUPPRESS_WARN)

    /* MSVC thinks 'entries' may be used without having been initialized */
    ngx_memzero(&entries, sizeof(ngx_array_t));

#endif

    /* TODO: pool should be temporary pool */
    pool = r->pool;

    if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t))
        != NGX_OK)
    {
        return ngx_http_autoindex_error(r, &dir, &path);
    }

    r->headers_out.status = NGX_HTTP_OK;

    switch (format) {

    case NGX_HTTP_AUTOINDEX_JSON:
        ngx_str_set(&r->headers_out.content_type, "application/json");
        break;

    case NGX_HTTP_AUTOINDEX_JSONP:
        ngx_str_set(&r->headers_out.content_type, "application/javascript");
        break;

    case NGX_HTTP_AUTOINDEX_XML:
        ngx_str_set(&r->headers_out.content_type, "text/xml");
        ngx_str_set(&r->headers_out.charset, "utf-8");
        break;

    default: /* NGX_HTTP_AUTOINDEX_HTML */
        ngx_str_set(&r->headers_out.content_type, "text/html");
        break;
    }

    r->headers_out.content_type_len = r->headers_out.content_type.len;
    r->headers_out.content_type_lowcase = NULL;

    rc = ngx_http_send_header(r);

    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
        if (ngx_close_dir(&dir) == NGX_ERROR) {
            ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                          ngx_close_dir_n " \"%V\" failed", &path);
        }

        return rc;
    }

    filename = path.data;
    filename[path.len] = '/';

    for ( ;; ) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (err != NGX_ENOMOREFILES) {
                ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                              ngx_read_dir_n " \"%V\" failed", &path);
                return ngx_http_autoindex_error(r, &dir, &path);
            }

            break;
        }

        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "http autoindex file: \"%s\"", ngx_de_name(&dir));

        len = ngx_de_namelen(&dir);

        if (ngx_de_name(&dir)[0] == '.') {
            continue;
        }

        if (!dir.valid_info) {

            /* 1 byte for '/' and 1 byte for terminating '\0' */

            if (path.len + 1 + len + 1 > allocated) {
                allocated = path.len + 1 + len + 1
                                     + NGX_HTTP_AUTOINDEX_PREALLOCATE;

                filename = ngx_pnalloc(pool, allocated);
                if (filename == NULL) {
                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                last = ngx_cpystrn(filename, path.data, path.len + 1);
                *last++ = '/';
            }

            ngx_cpystrn(last, ngx_de_name(&dir), len + 1);

            if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
                err = ngx_errno;

                if (err != NGX_ENOENT && err != NGX_ELOOP) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                                  ngx_de_info_n " \"%s\" failed", filename);

                    if (err == NGX_EACCES) {
                        continue;
                    }

                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
                                  ngx_de_link_info_n " \"%s\" failed",
                                  filename);
                    return ngx_http_autoindex_error(r, &dir, &path);
                }
            }
        }

        entry = ngx_array_push(&entries);
        if (entry == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        entry->name.len = len;

        entry->name.data = ngx_pnalloc(pool, len + 1);
        if (entry->name.data == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);

        entry->dir = ngx_de_is_dir(&dir);
        entry->file = ngx_de_is_file(&dir);
        entry->mtime = ngx_de_mtime(&dir);
        entry->size = ngx_de_size(&dir);
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                      ngx_close_dir_n " \"%V\" failed", &path);
    }

    if (entries.nelts > 1) {
        ngx_qsort(entries.elts, (size_t) entries.nelts,
                  sizeof(ngx_http_autoindex_entry_t),
                  ngx_http_autoindex_cmp_entries);
    }

    switch (format) {

    case NGX_HTTP_AUTOINDEX_JSON:
        b = ngx_http_autoindex_json(r, &entries, NULL);
        break;

    case NGX_HTTP_AUTOINDEX_JSONP:
        b = ngx_http_autoindex_json(r, &entries, &callback);
        break;

    case NGX_HTTP_AUTOINDEX_XML:
        b = ngx_http_autoindex_xml(r, &entries);
        break;

    default: /* NGX_HTTP_AUTOINDEX_HTML */
        b = ngx_http_autoindex_html(r, &entries);
        break;
    }

    if (b == NULL) {
        return NGX_ERROR;
    }

    /* TODO: free temporary pool */

    if (r == r->main) {
        b->last_buf = 1;
    }

    b->last_in_chain = 1;

    out.buf = b;
    out.next = NULL;

    return ngx_http_output_filter(r, &out);
}
static ngx_int_t
ngx_rtmp_dash_cleanup_dir(ngx_str_t *ppath, ngx_msec_t playlen)
{
    time_t           mtime, max_age;
    u_char          *p;
    u_char           path[NGX_MAX_PATH + 1], mpd_path[NGX_MAX_PATH + 1];
    ngx_dir_t        dir;
    ngx_err_t        err;
    ngx_str_t        name, spath, mpd;
    ngx_int_t        nentries, nerased;
    ngx_file_info_t  fi;

    ngx_log_debug2(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                   "dash: cleanup path='%V' playlen=%M", ppath, playlen);

    if (ngx_open_dir(ppath, &dir) != NGX_OK) {
        ngx_log_debug1(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, ngx_errno,
                       "dash: cleanup open dir failed '%V'", ppath);
        return NGX_ERROR;
    }

    nentries = 0;
    nerased = 0;

    for ( ;; ) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (ngx_close_dir(&dir) == NGX_ERROR) {
                ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, ngx_errno,
                              "dash: cleanup " ngx_close_dir_n " \"%V\" failed",
                              ppath);
            }

            if (err == NGX_ENOMOREFILES) {
                return nentries - nerased;
            }

            ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, err,
                          "dash: cleanup " ngx_read_dir_n
                          " '%V' failed", ppath);
            return NGX_ERROR;
        }

        name.data = ngx_de_name(&dir);
        if (name.data[0] == '.') {
            continue;
        }

        name.len = ngx_de_namelen(&dir);

        p = ngx_snprintf(path, sizeof(path) - 1, "%V/%V", ppath, &name);
        *p = 0;

        spath.data = path;
        spath.len = p - path;

        nentries++;

        if (!dir.valid_info && ngx_de_info(path, &dir) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_CRIT, ngx_cycle->log, ngx_errno,
                          "dash: cleanup " ngx_de_info_n " \"%V\" failed",
                          &spath);

            continue;
        }

        if (ngx_de_is_dir(&dir)) {

            if (ngx_rtmp_dash_cleanup_dir(&spath, playlen) == 0) {
                ngx_log_debug1(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                               "dash: cleanup dir '%V'", &name);

                /*
                 * null-termination gets spoiled in win32
                 * version of ngx_open_dir
                 */

                *p = 0;

                if (ngx_delete_dir(path) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, ngx_errno,
                                  "dash: cleanup " ngx_delete_dir_n
                                  " failed on '%V'", &spath);
                } else {
                    nerased++;
                }
            }

            continue;
        }

        if (!ngx_de_is_file(&dir)) {
            continue;
        }

        if (name.len >= 8 && name.data[name.len - 8] == 'i' &&
                             name.data[name.len - 7] == 'n' &&
                             name.data[name.len - 6] == 'i' &&
                             name.data[name.len - 5] == 't' &&
                             name.data[name.len - 4] == '.' &&
                             name.data[name.len - 3] == 'm' &&
                             name.data[name.len - 2] == '4')
        {
            if (name.len == 8) {
                ngx_str_set(&mpd, "index");
            } else {
                mpd.data = name.data;
                mpd.len = name.len - 9;
            }

            p = ngx_snprintf(mpd_path, sizeof(mpd_path) - 1, "%V/%V.mpd",
                             ppath, &mpd);
            *p = 0;

            if (ngx_file_info(mpd_path, &fi) != NGX_FILE_ERROR) {
                ngx_log_debug2(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                               "dash: cleanup '%V' delayed, mpd exists '%s'",
                               &name, mpd_path);
                continue;
            }

            ngx_log_debug2(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                           "dash: cleanup '%V' allowed, mpd missing '%s'",
                           &name, mpd_path);

            max_age = 0;

        } else if (name.len >= 4 && name.data[name.len - 4] == '.' &&
                                    name.data[name.len - 3] == 'm' &&
                                    name.data[name.len - 2] == '4' &&
                                    name.data[name.len - 1] == 'v')
        {
            max_age = playlen / 500;

        } else if (name.len >= 4 && name.data[name.len - 4] == '.' &&
                                    name.data[name.len - 3] == 'm' &&
                                    name.data[name.len - 2] == '4' &&
                                    name.data[name.len - 1] == 'a')
        {
            max_age = playlen / 500;

        } else if (name.len >= 4 && name.data[name.len - 4] == '.' &&
                                    name.data[name.len - 3] == 'm' &&
                                    name.data[name.len - 2] == 'p' &&
                                    name.data[name.len - 1] == 'd')
        {
            max_age = playlen / 500;

        } else if (name.len >= 4 && name.data[name.len - 4] == '.' &&
                                    name.data[name.len - 3] == 'r' &&
                                    name.data[name.len - 2] == 'a' &&
                                    name.data[name.len - 1] == 'w')
        {
            max_age = playlen / 1000;

        } else {
            ngx_log_debug1(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                           "dash: cleanup skip unknown file type '%V'", &name);
            continue;
        }

        mtime = ngx_de_mtime(&dir);
        if (mtime + max_age > ngx_cached_time->sec) {
            continue;
        }

        ngx_log_debug3(NGX_LOG_DEBUG_RTMP, ngx_cycle->log, 0,
                       "dash: cleanup '%V' mtime=%T age=%T",
                       &name, mtime, ngx_cached_time->sec - mtime);

        if (ngx_delete_file(path) == NGX_FILE_ERROR) {
            ngx_log_error(NGX_LOG_ERR, ngx_cycle->log, ngx_errno,
                          "dash: cleanup " ngx_delete_file_n " failed on '%V'",
                          &spath);
            continue;
        }

        nerased++;
    }
}
static ngx_int_t
ngx_http_random_index_handler(ngx_http_request_t *r)
{
    u_char                            *last, *filename;
    size_t                             len, allocated, root;
    ngx_err_t                          err;
    ngx_int_t                          rc;
    ngx_str_t                          path, uri, *name;
    ngx_dir_t                          dir;
    ngx_uint_t                         n, level;
    ngx_array_t                        names;
    ngx_http_random_index_loc_conf_t  *rlcf;

    if (r->uri.data[r->uri.len - 1] != '/') {
        return NGX_DECLINED;
    }

    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD|NGX_HTTP_POST))) {
        return NGX_DECLINED;
    }

    rlcf = ngx_http_get_module_loc_conf(r, ngx_http_random_index_module);

    if (!rlcf->enable) {
        return NGX_DECLINED;
    }

#if (NGX_HAVE_D_TYPE)
    len = NGX_DIR_MASK_LEN;
#else
    len = NGX_HTTP_RANDOM_INDEX_PREALLOCATE;
#endif

    last = ngx_http_map_uri_to_path(r, &path, &root, len);
    if (last == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    allocated = path.len;

    path.len = last - path.data - 1;
    path.data[path.len] = '\0';

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http random index: \"%s\"", path.data);

    if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
        err = ngx_errno;

        if (err == NGX_ENOENT
            || err == NGX_ENOTDIR
            || err == NGX_ENAMETOOLONG)
        {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_NOT_FOUND;

        } else if (err == NGX_EACCES) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_FORBIDDEN;

        } else {
            level = NGX_LOG_CRIT;
            rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
        }

        ngx_log_error(level, r->connection->log, err,
                      ngx_open_dir_n " \"%s\" failed", path.data);

        return rc;
    }

    if (ngx_array_init(&names, r->pool, 32, sizeof(ngx_str_t)) != NGX_OK) {
        return ngx_http_random_index_error(r, &dir, &path);
    }

    filename = path.data;
    filename[path.len] = '/';

    for ( ;; ) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (err != NGX_ENOMOREFILES) {
                ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                              ngx_read_dir_n " \"%V\" failed", &path);
                return ngx_http_random_index_error(r, &dir, &path);
            }

            break;
        }

        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "http random index file: \"%s\"", ngx_de_name(&dir));

        if (ngx_de_name(&dir)[0] == '.') {
            continue;
        }

        len = ngx_de_namelen(&dir);

        if (dir.type == 0 || ngx_de_is_link(&dir)) {

            /* 1 byte for '/' and 1 byte for terminating '\0' */

            if (path.len + 1 + len + 1 > allocated) {
                allocated = path.len + 1 + len + 1
                                     + NGX_HTTP_RANDOM_INDEX_PREALLOCATE;

                filename = ngx_pnalloc(r->pool, allocated);
                if (filename == NULL) {
                    return ngx_http_random_index_error(r, &dir, &path);
                }

                last = ngx_cpystrn(filename, path.data, path.len + 1);
                *last++ = '/';
            }

            ngx_cpystrn(last, ngx_de_name(&dir), len + 1);

            if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
                err = ngx_errno;

                if (err != NGX_ENOENT) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                                  ngx_de_info_n " \"%s\" failed", filename);
                    return ngx_http_random_index_error(r, &dir, &path);
                }

                if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
                                  ngx_de_link_info_n " \"%s\" failed",
                                  filename);
                    return ngx_http_random_index_error(r, &dir, &path);
                }
            }
        }

        if (!ngx_de_is_file(&dir)) {
            continue;
        }

        name = ngx_array_push(&names);
        if (name == NULL) {
            return ngx_http_random_index_error(r, &dir, &path);
        }

        name->len = len;

        name->data = ngx_pnalloc(r->pool, len);
        if (name->data == NULL) {
            return ngx_http_random_index_error(r, &dir, &path);
        }

        ngx_memcpy(name->data, ngx_de_name(&dir), len);
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                      ngx_close_dir_n " \"%s\" failed", &path);
    }

    n = names.nelts;

    if (n == 0) {
        return NGX_DECLINED;
    }

    name = names.elts;

    n = (ngx_uint_t) (((uint64_t) ngx_random() * n) / 0x80000000);

    uri.len = r->uri.len + name[n].len;

    uri.data = ngx_pnalloc(r->pool, uri.len);
    if (uri.data == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    last = ngx_copy(uri.data, r->uri.data, r->uri.len);
    ngx_memcpy(last, name[n].data, name[n].len);

    return ngx_http_internal_redirect(r, &uri, &r->args);
}
static ngx_int_t
ngx_http_autoindex_handler(ngx_http_request_t *r)
{
    u_char                         *last, *filename, scale;
    off_t                           length;
    size_t                          len, utf_len, allocated, root;
    ngx_tm_t                        tm;
    ngx_err_t                       err;
    ngx_buf_t                      *b;
    ngx_int_t                       rc, size;
    ngx_str_t                       path;
    ngx_dir_t                       dir;
    ngx_uint_t                      i, level, utf8;
    ngx_pool_t                     *pool;
    ngx_time_t                     *tp;
    ngx_chain_t                     out;
    ngx_array_t                     entries;
    ngx_http_autoindex_entry_t     *entry;
    ngx_http_autoindex_loc_conf_t  *alcf;

    static char  *months[] = { "Jan", "Feb", "Mar", "Apr", "May", "Jun",
                               "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" };

    if (r->uri.data[r->uri.len - 1] != '/') {
        return NGX_DECLINED;
    }

    if (!(r->method & (NGX_HTTP_GET|NGX_HTTP_HEAD))) {
        return NGX_DECLINED;
    }

    alcf = ngx_http_get_module_loc_conf(r, ngx_http_autoindex_module);

    if (!alcf->enable) {
        return NGX_DECLINED;
    }

    /* NGX_DIR_MASK_LEN is lesser than NGX_HTTP_AUTOINDEX_PREALLOCATE */

    last = ngx_http_map_uri_to_path(r, &path, &root,
                                    NGX_HTTP_AUTOINDEX_PREALLOCATE);
    if (last == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    allocated = path.len;
    path.len = last - path.data;
    if (path.len > 1) {
        path.len--;
    }
    path.data[path.len] = '\0';

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http autoindex: \"%s\"", path.data);

    if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
        err = ngx_errno;

        if (err == NGX_ENOENT
            || err == NGX_ENOTDIR
            || err == NGX_ENAMETOOLONG)
        {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_NOT_FOUND;

        } else if (err == NGX_EACCES) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_FORBIDDEN;

        } else {
            level = NGX_LOG_CRIT;
            rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
        }

        ngx_log_error(level, r->connection->log, err,
                      ngx_open_dir_n " \"%s\" failed", path.data);

        return rc;
    }

#if (NGX_SUPPRESS_WARN)

    /* MSVC thinks 'entries' may be used without having been initialized */
    ngx_memzero(&entries, sizeof(ngx_array_t));

#endif

    /* TODO: pool should be temporary pool */
    pool = r->pool;

    if (ngx_array_init(&entries, pool, 40, sizeof(ngx_http_autoindex_entry_t))
        != NGX_OK)
    {
        return ngx_http_autoindex_error(r, &dir, &path);
    }

    r->headers_out.status = NGX_HTTP_OK;
    r->headers_out.content_type_len = sizeof("text/html") - 1;
    ngx_str_set(&r->headers_out.content_type, "text/html");

    rc = ngx_http_send_header(r);

    if (rc == NGX_ERROR || rc > NGX_OK || r->header_only) {
        if (ngx_close_dir(&dir) == NGX_ERROR) {
            ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                          ngx_close_dir_n " \"%V\" failed", &path);
        }

        return rc;
    }

    filename = path.data;
    filename[path.len] = '/';

    if (r->headers_out.charset.len == 5
        && ngx_strncasecmp(r->headers_out.charset.data, (u_char *) "utf-8", 5)
           == 0)
    {
        utf8 = 1;

    } else {
        utf8 = 0;
    }

    for ( ;; ) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            err = ngx_errno;

            if (err != NGX_ENOMOREFILES) {
                ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                              ngx_read_dir_n " \"%V\" failed", &path);
                return ngx_http_autoindex_error(r, &dir, &path);
            }

            break;
        }

        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "http autoindex file: \"%s\"", ngx_de_name(&dir));

        len = ngx_de_namelen(&dir);

        if (ngx_de_name(&dir)[0] == '.') {
            continue;
        }

        if (!dir.valid_info) {

            /* 1 byte for '/' and 1 byte for terminating '\0' */

            if (path.len + 1 + len + 1 > allocated) {
                allocated = path.len + 1 + len + 1
                                     + NGX_HTTP_AUTOINDEX_PREALLOCATE;

                filename = ngx_pnalloc(pool, allocated);
                if (filename == NULL) {
                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                last = ngx_cpystrn(filename, path.data, path.len + 1);
                *last++ = '/';
            }

            ngx_cpystrn(last, ngx_de_name(&dir), len + 1);

            if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
                err = ngx_errno;

                if (err != NGX_ENOENT) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                                  ngx_de_info_n " \"%s\" failed", filename);

                    if (err == NGX_EACCES) {
                        continue;
                    }

                    return ngx_http_autoindex_error(r, &dir, &path);
                }

                if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
                                  ngx_de_link_info_n " \"%s\" failed",
                                  filename);
                    return ngx_http_autoindex_error(r, &dir, &path);
                }
            }
        }

        entry = ngx_array_push(&entries);
        if (entry == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        entry->name.len = len;

        entry->name.data = ngx_pnalloc(pool, len + 1);
        if (entry->name.data == NULL) {
            return ngx_http_autoindex_error(r, &dir, &path);
        }

        ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);

        entry->escape = 2 * ngx_escape_uri(NULL, ngx_de_name(&dir), len,
                                           NGX_ESCAPE_HTML);

        if (utf8) {
            entry->utf_len = ngx_utf8_length(entry->name.data, entry->name.len);
        } else {
            entry->utf_len = len;
        }

        entry->colon = (ngx_strchr(entry->name.data, ':') != NULL);

        entry->dir = ngx_de_is_dir(&dir);
        entry->mtime = ngx_de_mtime(&dir);
        entry->size = ngx_de_size(&dir);
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                      ngx_close_dir_n " \"%s\" failed", &path);
    }

    len = sizeof(title) - 1
          + r->uri.len
          + sizeof(header) - 1
          + r->uri.len
          + sizeof("</h1>") - 1
          + sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1
          + sizeof("</pre><hr>") - 1
          + sizeof(tail) - 1;

    entry = entries.elts;
    for (i = 0; i < entries.nelts; i++) {
        len += sizeof("<a href=\"") - 1
            + entry[i].name.len + entry[i].escape
            + 1                                          /* 1 is for "/" */
            + sizeof("\">") - 1
            + entry[i].name.len - entry[i].utf_len + entry[i].colon * 2
            + NGX_HTTP_AUTOINDEX_NAME_LEN + sizeof("&gt;") - 2
            + sizeof("</a>") - 1
            + sizeof(" 28-Sep-1970 12:00 ") - 1
            + 20                                         /* the file size */
            + 2;
    }

    b = ngx_create_temp_buf(r->pool, len);
    if (b == NULL) {
        return NGX_HTTP_INTERNAL_SERVER_ERROR;
    }

    if (entries.nelts > 1) {
        ngx_qsort(entry, (size_t) entries.nelts,
                  sizeof(ngx_http_autoindex_entry_t),
                  ngx_http_autoindex_cmp_entries);
    }

    b->last = ngx_cpymem(b->last, title, sizeof(title) - 1);
    b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
    b->last = ngx_cpymem(b->last, header, sizeof(header) - 1);
    b->last = ngx_cpymem(b->last, r->uri.data, r->uri.len);
    b->last = ngx_cpymem(b->last, "</h1>", sizeof("</h1>") - 1);

    b->last = ngx_cpymem(b->last, "<hr><pre><a href=\"../\">../</a>" CRLF,
                         sizeof("<hr><pre><a href=\"../\">../</a>" CRLF) - 1);

    tp = ngx_timeofday();

    for (i = 0; i < entries.nelts; i++) {
        b->last = ngx_cpymem(b->last, "<a href=\"", sizeof("<a href=\"") - 1);

        if (entry[i].colon) {
            *b->last++ = '.';
            *b->last++ = '/';
        }

        if (entry[i].escape) {
            ngx_escape_uri(b->last, entry[i].name.data, entry[i].name.len,
                           NGX_ESCAPE_HTML);

            b->last += entry[i].name.len + entry[i].escape;

        } else {
            b->last = ngx_cpymem(b->last, entry[i].name.data,
                                 entry[i].name.len);
        }

        if (entry[i].dir) {
            *b->last++ = '/';
        }

        *b->last++ = '"';
        *b->last++ = '>';

        len = entry[i].utf_len;

        if (entry[i].name.len != len) {
            if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
                utf_len = NGX_HTTP_AUTOINDEX_NAME_LEN - 3 + 1;

            } else {
                utf_len = NGX_HTTP_AUTOINDEX_NAME_LEN + 1;
            }

            b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data,
                                       utf_len, entry[i].name.len + 1);
            last = b->last;

        } else {
            b->last = ngx_cpystrn(b->last, entry[i].name.data,
                                  NGX_HTTP_AUTOINDEX_NAME_LEN + 1);
            last = b->last - 3;
        }

        if (len > NGX_HTTP_AUTOINDEX_NAME_LEN) {
            b->last = ngx_cpymem(last, "..&gt;</a>", sizeof("..&gt;</a>") - 1);

        } else {
            if (entry[i].dir && NGX_HTTP_AUTOINDEX_NAME_LEN - len > 0) {
                *b->last++ = '/';
                len++;
            }

            b->last = ngx_cpymem(b->last, "</a>", sizeof("</a>") - 1);
            ngx_memset(b->last, ' ', NGX_HTTP_AUTOINDEX_NAME_LEN - len);
            b->last += NGX_HTTP_AUTOINDEX_NAME_LEN - len;
        }

        *b->last++ = ' ';

        ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm);

        b->last = ngx_sprintf(b->last, "%02d-%s-%d %02d:%02d ",
                              tm.ngx_tm_mday,
                              months[tm.ngx_tm_mon - 1],
                              tm.ngx_tm_year,
                              tm.ngx_tm_hour,
                              tm.ngx_tm_min);

        if (alcf->exact_size) {
            if (entry[i].dir) {
                b->last = ngx_cpymem(b->last,  "                  -",
                                     sizeof("                  -") - 1);
            } else {
                b->last = ngx_sprintf(b->last, "%19O", entry[i].size);
            }

        } else {
            if (entry[i].dir) {
                b->last = ngx_cpymem(b->last,  "      -",
                                     sizeof("      -") - 1);

            } else {
                length = entry[i].size;

                if (length > 1024 * 1024 * 1024 - 1) {
                    size = (ngx_int_t) (length / (1024 * 1024 * 1024));
                    if ((length % (1024 * 1024 * 1024))
                                                > (1024 * 1024 * 1024 / 2 - 1))
                    {
                        size++;
                    }
                    scale = 'G';

                } else if (length > 1024 * 1024 - 1) {
                    size = (ngx_int_t) (length / (1024 * 1024));
                    if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) {
                        size++;
                    }
                    scale = 'M';

                } else if (length > 9999) {
                    size = (ngx_int_t) (length / 1024);
                    if (length % 1024 > 511) {
                        size++;
                    }
                    scale = 'K';

                } else {
                    size = (ngx_int_t) length;
                    scale = '\0';
                }

                if (scale) {
                    b->last = ngx_sprintf(b->last, "%6i%c", size, scale);

                } else {
                    b->last = ngx_sprintf(b->last, " %6i", size);
                }
            }
        }

        *b->last++ = CR;
        *b->last++ = LF;
    }

    /* TODO: free temporary pool */

    b->last = ngx_cpymem(b->last, "</pre><hr>", sizeof("</pre><hr>") - 1);

    b->last = ngx_cpymem(b->last, tail, sizeof(tail) - 1);

    if (r == r->main) {
        b->last_buf = 1;
    }

    b->last_in_chain = 1;

    out.buf = b;
    out.next = NULL;

    return ngx_http_output_filter(r, &out);
}
static ngx_inline ngx_int_t
make_content_buf(
        ngx_http_request_t *r, ngx_buf_t **pb,
        ngx_http_fancyindex_loc_conf_t *alcf)
{
    ngx_http_fancyindex_entry_t *entry;

    off_t        length;
    size_t       len, root, copy, allocated;
    u_char      *filename, *last, scale;
    ngx_tm_t     tm;
    ngx_array_t  entries;
    ngx_time_t  *tp;
    ngx_uint_t   i;
    ngx_int_t    size;
    ngx_str_t    path;
    ngx_dir_t    dir;
    ngx_buf_t   *b;

    static char *months[] = {
        "Jan", "Feb", "Mar", "Apr", "May", "Jun",
        "Jul", "Aug", "Sep", "Oct", "Nov", "Dec",
    };

    /*
     * NGX_DIR_MASK_LEN is lesser than NGX_HTTP_FANCYINDEX_PREALLOCATE
     */
    if ((last = ngx_http_map_uri_to_path(r, &path, &root,
                    NGX_HTTP_FANCYINDEX_PREALLOCATE)) == NULL)
        return NGX_HTTP_INTERNAL_SERVER_ERROR;

    allocated = path.len;
    path.len  = last - path.data - 1;
    path.data[path.len] = '\0';

    ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                   "http fancyindex: \"%s\"", path.data);

    if (ngx_open_dir(&path, &dir) == NGX_ERROR) {
        ngx_int_t rc, err = ngx_errno;
        ngx_uint_t level;

        if (err == NGX_ENOENT || err == NGX_ENOTDIR || err == NGX_ENAMETOOLONG) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_NOT_FOUND;
        } else if (err == NGX_EACCES) {
            level = NGX_LOG_ERR;
            rc = NGX_HTTP_FORBIDDEN;
        } else {
            level = NGX_LOG_CRIT;
            rc = NGX_HTTP_INTERNAL_SERVER_ERROR;
        }

        ngx_log_error(level, r->connection->log, err,
                ngx_open_dir_n " \"%s\" failed", path.data);

        return rc;
    }

#if (NGX_SUPPRESS_WARN)
    /* MSVC thinks 'entries' may be used without having been initialized */
    ngx_memzero(&entries, sizeof(ngx_array_t));
#endif /* NGX_SUPPRESS_WARN */


    if (ngx_array_init(&entries, r->pool, 40,
                sizeof(ngx_http_fancyindex_entry_t)) != NGX_OK)
        return ngx_http_fancyindex_error(r, &dir, &path);

    filename = path.data;
    filename[path.len] = '/';

    /* Read directory entries and their associated information. */
    for (;;) {
        ngx_set_errno(0);

        if (ngx_read_dir(&dir) == NGX_ERROR) {
            ngx_int_t err = ngx_errno;

            if (err != NGX_ENOMOREFILES) {
                ngx_log_error(NGX_LOG_CRIT, r->connection->log, err,
                        ngx_read_dir_n " \"%V\" failed", &path);
                return ngx_http_fancyindex_error(r, &dir, &path);
            }
            break;
        }

        ngx_log_debug1(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
                       "http fancyindex file: \"%s\"", ngx_de_name(&dir));

        len = ngx_de_namelen(&dir);

        if (ngx_de_name(&dir)[0] == '.')
            continue;

#if NGX_PCRE
        {
            ngx_str_t str = { len, ngx_de_name(&dir) };

            if (alcf->ignore && ngx_regex_exec_array(alcf->ignore, &str,
                                                     r->connection->log)
                != NGX_DECLINED)
            {
                continue;
            }
        }
#else /* !NGX_PCRE */
        if (alcf->ignore) {
            u_int match_found = 0;
            ngx_str_t *s = alcf->ignore->elts;

            for (i = 0; i < alcf->ignore->nelts; i++, s++) {
                if (ngx_strcmp(ngx_de_name(&dir), s->data) == 0) {
                    match_found = 1;
                    break;
                }
            }

            if (match_found) {
                continue;
            }
        }
#endif /* NGX_PCRE */

        if (!dir.valid_info) {
            /* 1 byte for '/' and 1 byte for terminating '\0' */
            if (path.len + 1 + len + 1 > allocated) {
                allocated = path.len + 1 + len + 1
                          + NGX_HTTP_FANCYINDEX_PREALLOCATE;

                if ((filename = ngx_palloc(r->pool, allocated)) == NULL)
                    return ngx_http_fancyindex_error(r, &dir, &path);

                last = ngx_cpystrn(filename, path.data, path.len + 1);
                *last++ = '/';
            }

            ngx_cpystrn(last, ngx_de_name(&dir), len + 1);

            if (ngx_de_info(filename, &dir) == NGX_FILE_ERROR) {
                ngx_int_t err = ngx_errno;

                if (err != NGX_ENOENT) {
                    ngx_log_error(NGX_LOG_ERR, r->connection->log, err,
                            ngx_de_info_n " \"%s\" failed", filename);
                    continue;
                }

                if (ngx_de_link_info(filename, &dir) == NGX_FILE_ERROR) {
                    ngx_log_error(NGX_LOG_CRIT, r->connection->log, ngx_errno,
                            ngx_de_link_info_n " \"%s\" failed", filename);
                    return ngx_http_fancyindex_error(r, &dir, &path);
                }
            }
        }

        if ((entry = ngx_array_push(&entries)) == NULL)
            return ngx_http_fancyindex_error(r, &dir, &path);

        entry->name.len  = len;
        entry->name.data = ngx_palloc(r->pool, len + 1);
        if (entry->name.data == NULL)
            return ngx_http_fancyindex_error(r, &dir, &path);

        ngx_cpystrn(entry->name.data, ngx_de_name(&dir), len + 1);
        entry->escape = 2 * ngx_fancyindex_escape_uri(NULL,
                                                      ngx_de_name(&dir),
                                                      len);

        entry->dir     = ngx_de_is_dir(&dir);
        entry->mtime   = ngx_de_mtime(&dir);
        entry->size    = ngx_de_size(&dir);
        entry->utf_len = (r->headers_out.charset.len == 5 &&
                ngx_strncasecmp(r->headers_out.charset.data, (u_char*) "utf-8", 5) == 0)
            ?  ngx_utf8_length(entry->name.data, entry->name.len)
            : len;
    }

    if (ngx_close_dir(&dir) == NGX_ERROR) {
        ngx_log_error(NGX_LOG_ALERT, r->connection->log, ngx_errno,
                ngx_close_dir_n " \"%s\" failed", &path);
    }

    /*
     * Calculate needed buffer length.
     */
    len = r->uri.len
        + ngx_sizeof_ssz(t05_body2)
        + ngx_sizeof_ssz(t06_list1)
        + ngx_sizeof_ssz(t07_list2)
        ;

    entry = entries.elts;
    for (i = 0; i < entries.nelts; i++) {
        /*
         * Genearated table rows are as follows, unneeded whitespace
         * is stripped out:
         *
         *   <tr class="X">
         *     <td><a href="U">fname</a></td>
         *     <td>size</td><td>date</td>
         *   </tr>
         */
        len += ngx_sizeof_ssz("<tr class=\"X\"><td><a href=\"")
            + entry[i].name.len + entry[i].escape /* Escaped URL */
            + ngx_sizeof_ssz("\">")
            + entry[i].name.len + entry[i].utf_len
            + NGX_HTTP_FANCYINDEX_NAME_LEN + ngx_sizeof_ssz("&gt;")
            + ngx_sizeof_ssz("</a></td><td>")
            + 20 /* File size */
            + ngx_sizeof_ssz("</td><td>")
            + ngx_sizeof_ssz(" 28-Sep-1970 12:00 ")
            + ngx_sizeof_ssz("</td></tr>\n")
            + 2 /* CR LF */
            ;
    }

    if ((b = ngx_create_temp_buf(r->pool, len)) == NULL)
        return NGX_HTTP_INTERNAL_SERVER_ERROR;

    /* Sort entries, if needed */
    if (entries.nelts > 1) {
        ngx_qsort(entry, (size_t) entries.nelts,
                sizeof(ngx_http_fancyindex_entry_t),
                ngx_http_fancyindex_cmp_entries);
    }

    b->last = ngx_cpymem_str(b->last, r->uri);
    b->last = ngx_cpymem_ssz(b->last, t05_body2);
    b->last = ngx_cpymem_ssz(b->last, t06_list1);

    tp = ngx_timeofday();

    for (i = 0; i < entries.nelts; i++) {
        static const char _evenodd[] = { 'e', 'o' };
        b->last = ngx_cpymem_ssz(b->last, "<tr class=\"");
        *b->last++ = _evenodd[i & 0x01];
        /*
         * Alternative implementation:
         *   *b->last++ = (i & 0x01) ? 'e' : 'o';
         */
        b->last = ngx_cpymem_ssz(b->last, "\"><td><a href=\"");

        if (entry[i].escape) {
            ngx_fancyindex_escape_uri(b->last,
                                      entry[i].name.data,
                                      entry[i].name.len);

            b->last += entry[i].name.len + entry[i].escape;

        } else {
            b->last = ngx_cpymem_str(b->last, entry[i].name);
        }

        if (entry[i].dir) {
            *b->last++ = '/';
        }

        *b->last++ = '"';
        *b->last++ = '>';

        len = entry[i].utf_len;

        if (entry[i].name.len - len) {
            if (len > NGX_HTTP_FANCYINDEX_NAME_LEN) {
                copy = NGX_HTTP_FANCYINDEX_NAME_LEN - 3 + 1;
            } else {
                copy = NGX_HTTP_FANCYINDEX_NAME_LEN + 1;
            }

            b->last = ngx_utf8_cpystrn(b->last, entry[i].name.data,
                                          copy, entry[i].name.len);
            last = b->last;

        } else {
            b->last = ngx_cpystrn(b->last, entry[i].name.data,
                                  NGX_HTTP_FANCYINDEX_NAME_LEN + 1);
            last = b->last - 3;
        }

        if (len > NGX_HTTP_FANCYINDEX_NAME_LEN) {
            b->last = ngx_cpymem_ssz(last, "..&gt;</a></td><td>");

        } else {
            if (entry[i].dir && NGX_HTTP_FANCYINDEX_NAME_LEN - len > 0) {
                *b->last++ = '/';
                len++;
            }

            b->last = ngx_cpymem_ssz(b->last, "</a></td><td>");
        }

        if (alcf->exact_size) {
            if (entry[i].dir) {
                *b->last++ = '-';
            } else {
                b->last = ngx_sprintf(b->last, "%19O", entry[i].size);
            }

        } else {
            if (entry[i].dir) {
                *b->last++ = '-';
            } else {
                length = entry[i].size;

                if (length > 1024 * 1024 * 1024 - 1) {
                    size = (ngx_int_t) (length / (1024 * 1024 * 1024));
                    if ((length % (1024 * 1024 * 1024))
                                                > (1024 * 1024 * 1024 / 2 - 1))
                    {
                        size++;
                    }
                    scale = 'G';

                } else if (length > 1024 * 1024 - 1) {
                    size = (ngx_int_t) (length / (1024 * 1024));
                    if ((length % (1024 * 1024)) > (1024 * 1024 / 2 - 1)) {
                        size++;
                    }
                    scale = 'M';

                } else if (length > 9999) {
                    size = (ngx_int_t) (length / 1024);
                    if (length % 1024 > 511) {
                        size++;
                    }
                    scale = 'K';

                } else {
                    size = (ngx_int_t) length;
                    scale = '\0';
                }

                if (scale) {
                    b->last = ngx_sprintf(b->last, "%6i%c", size, scale);

                } else {
                    b->last = ngx_sprintf(b->last, " %6i", size);
                }
            }
        }

        ngx_gmtime(entry[i].mtime + tp->gmtoff * 60 * alcf->localtime, &tm);

        b->last = ngx_sprintf(b->last, "</td><td>%02d-%s-%d %02d:%02d</td></tr>",
                              tm.ngx_tm_mday,
                              months[tm.ngx_tm_mon - 1],
                              tm.ngx_tm_year,
                              tm.ngx_tm_hour,
                              tm.ngx_tm_min);


        *b->last++ = CR;
        *b->last++ = LF;
    }

    /* Output table bottom */
    b->last = ngx_cpymem_ssz(b->last, t07_list2);

    *pb = b;
    return NGX_OK;
}