guile1/guile1-CVE-2016-8605.patch

39 lines
1.3 KiB
Diff

--- a/libguile/filesys.c
+++ b/libguile/filesys.c
@@ -1255,26 +1255,21 @@ SCM_DEFINE (scm_getcwd, "getcwd", 0, 0, 0,
SCM_DEFINE (scm_mkdir, "mkdir", 1, 1, 0,
(SCM path, SCM mode),
"Create a new directory named by @var{path}. If @var{mode} is omitted\n"
- "then the permissions of the directory file are set using the current\n"
- "umask. Otherwise they are set to the decimal value specified with\n"
- "@var{mode}. The return value is unspecified.")
+ "then the permissions of the directory are set to @code{#o777}\n"
+ "masked with the current umask (@pxref{Processes, @code{umask}}).\n"
+ "Otherwise they are set to the value specified with @var{mode}.\n"
+ "The return value is unspecified.")
#define FUNC_NAME s_scm_mkdir
{
int rv;
- mode_t mask;
+ mode_t c_mode;
- if (SCM_UNBNDP (mode))
- {
- mask = umask (0);
- umask (mask);
- STRING_SYSCALL (path, c_path, rv = mkdir (c_path, 0777 ^ mask));
- }
- else
- {
- STRING_SYSCALL (path, c_path, rv = mkdir (c_path, scm_to_uint (mode)));
- }
+ c_mode = SCM_UNBNDP (mode) ? 0777 : scm_to_uint (mode);
+
+ STRING_SYSCALL (path, c_path, rv = mkdir (c_path, c_mode));
if (rv != 0)
SCM_SYSERROR;
+
return SCM_UNSPECIFIED;
}
#undef FUNC_NAME