/* * user.c: APR wrapper functions for Subversion * * ==================================================================== * Copyright (c) 2000-2004 CollabNet.  All rights reserved. * * This software is licensed as described in the file COPYING, which * you should have received as part of this distribution.  The terms * are also available at http://subversion.tigris.org/license-1.html. * If newer versions of this license are posted there, you may use a * newer version instead, at your option. * * This software consists of voluntary contributions made by many * individuals.  For exact contribution history, see the revision * history and logs, available at http://subversion.tigris.org/. * ==================================================================== */#include <apr_pools.h>#include <apr_user.h>#include <apr_env.h>#include "svn_user.h"#include "svn_utf.h"/* Get the current user's name from the OS */static const char *get_os_username(apr_pool_t *pool){#if APR_HAS_USER  char *username;  apr_uid_t uid;  apr_gid_t gid;  if (apr_uid_current(&uid, &gid, pool) == APR_SUCCESS &&      apr_uid_name_get(&username, uid, pool) == APR_SUCCESS)    return username;#endif  return NULL;}/* Return a UTF8 version of STR, or NULL on error.   Use POOL for any necessary allocation. */static const char *utf8_or_nothing(const char *str, apr_pool_t *pool) {  if (str)    {      const char *utf8_str;      svn_error_t *err = svn_utf_cstring_to_utf8(&utf8_str, str, pool);      if (! err)        return utf8_str;      svn_error_clear(err);    }  return NULL;}const char *svn_user_get_name(apr_pool_t *pool){  const char *username = get_os_username(pool);  return utf8_or_nothing(username, pool);}const char *svn_user_get_homedir(apr_pool_t *pool){  const char *username;  char *homedir;  if (apr_env_get(&homedir, "HOME", pool) == APR_SUCCESS)    return utf8_or_nothing(homedir, pool);  username = get_os_username(pool);  if (username != NULL &&      apr_uid_homepath_get(&homedir, username, pool) == APR_SUCCESS)    return utf8_or_nothing(homedir, pool);  return NULL;}