Restore the behaviour before r1915214.

* subversion/libsvn_subr/io.c
  (svn_io__is_finfo_read_only): As above
  (svn_io__is_finfo_executable): As above
  (svn_io_is_file_executable): As above



git-svn-id: https://svn.apache.org/repos/asf/subversion/trunk@1930473 13f79535-47bb-0310-9956-ffa450edef68

Author: dsahlberg-apache-org

subversion/libsvn_subr/io.c

@@ -2531,14 +2531,27 @@ svn_io__is_finfo_read_only(svn_boolean_t *read_only,
                            apr_pool_t *pool)
 {
 #if defined(APR_HAS_USER) && !defined(WIN32) &&!defined(__OS2__)
-  *read_only = (access(file_info->fname, W_OK) != 0);
-  /* svn_io__is_finfo_read_only can be called with a dangling
-   * symlink. access() will check the permission on the missing
-   * target and return -1 and errno = ENOENT. Check for ENOENT
-   * and pretend the file is writeable, otherwise we will get
-   * spurious Reverted messages on the symlink.
-   */
-  if (*read_only && errno == ENOENT) *read_only = FALSE;
+  apr_status_t apr_err;
+  apr_uid_t uid;
+  apr_gid_t gid;
+
+  *read_only = FALSE;
+
+  apr_err = apr_uid_current(&uid, &gid, pool);
+
+  if (apr_err)
+    return svn_error_wrap_apr(apr_err, _("Error getting UID of process"));
+
+  /* Check write bit for current user. */
+  if (apr_uid_compare(uid, file_info->user) == APR_SUCCESS)
+    *read_only = !(file_info->protection & APR_UWRITE);
+
+  else if (apr_gid_compare(gid, file_info->group) == APR_SUCCESS)
+    *read_only = !(file_info->protection & APR_GWRITE);
+
+  else
+    *read_only = !(file_info->protection & APR_WWRITE);
+
 #else  /* WIN32 || __OS2__ || !APR_HAS_USER */
   *read_only = (file_info->protection & APR_FREADONLY);
 #endif
@@ -2551,7 +2564,33 @@ svn_io__is_finfo_executable(svn_boolean_t *executable,
                             apr_finfo_t *file_info,
                             apr_pool_t *pool)
 {
-  return svn_io_is_file_executable(executable, file_info->fname, pool);
+#if defined(APR_HAS_USER) && !defined(WIN32) &&!defined(__OS2__)
+  apr_status_t apr_err;
+  apr_uid_t uid;
+  apr_gid_t gid;
+
+  *executable = FALSE;
+
+  apr_err = apr_uid_current(&uid, &gid, pool);
+
+  if (apr_err)
+    return svn_error_wrap_apr(apr_err, _("Error getting UID of process"));
+
+  /* Check executable bit for current user. */
+  if (apr_uid_compare(uid, file_info->user) == APR_SUCCESS)
+    *executable = (file_info->protection & APR_UEXECUTE);
+
+  else if (apr_gid_compare(gid, file_info->group) == APR_SUCCESS)
+    *executable = (file_info->protection & APR_GEXECUTE);
+
+  else
+    *executable = (file_info->protection & APR_WEXECUTE);
+
+#else  /* WIN32 || __OS2__ || !APR_HAS_USER */
+  *executable = FALSE;
+#endif
+
+  return SVN_NO_ERROR;
 }
 
 svn_error_t *
@@ -2560,7 +2599,12 @@ svn_io_is_file_executable(svn_boolean_t *executable,
                           apr_pool_t *pool)
 {
 #if defined(APR_HAS_USER) && !defined(WIN32) &&!defined(__OS2__)
-  *executable = (access(path, X_OK) == 0);
+  apr_finfo_t file_info;
+
+  SVN_ERR(svn_io_stat(&file_info, path, APR_FINFO_PROT | APR_FINFO_OWNER,
+                      pool));
+  SVN_ERR(svn_io__is_finfo_executable(executable, &file_info, pool));
+
 #else  /* WIN32 || __OS2__ || !APR_HAS_USER */
   *executable = FALSE;
 #endif