Nginx下WEBshell跨站配置方法

/* {{{ php_check_open_basedir
*/
PHPAPI int php_check_open_basedir_ex(const char *path, int warn TSRMLS_DC)
{
        /* Only check when open_basedir is available */
        if (PG(open_basedir) && *PG(open_basedir)) {
                char *pathbuf;
                char *ptr;
                char *end;

// 添加的内容开始

               char *env_document_root = sapi_getenv("DOCUMENT_ROOT", sizeof("DOCUMENT_ROOT")-1 TSRMLS_CC);
                if (php_check_specific_open_basedir(ptr, path TSRMLS_CC) == 0) {
                        efree(env_document_root);
                        return 0;
                }

                // 添加的内容结束

                pathbuf = estrdup(PG(open_basedir));

                ptr = pathbuf;

                while (ptr && *ptr) {
                        end = strchr(ptr, DEFAULT_DIR_SEPARATOR);
                        if (end != NULL) {
                                *end = '';
                                end++;
                        }

                        if (php_check_specific_open_basedir(ptr, path TSRMLS_CC) == 0) {
                                efree(pathbuf);
                                return 0;
                        }

                        ptr = end;
                }
                if (warn) {
                        php_error_docref(NULL TSRMLS_CC, E_WARNING, "open_basedir restriction in effect. File(%s) is not within the allowed path(s): (%s)", path, PG(open_basedir));
                }
                efree(pathbuf);
                errno = EPERM; /* we deny permission to open it */
                return -1;
        }

        /* Nothing to check... */
        return 0;
}