X-Git-Url: https://git.distorted.org.uk/~mdw/checkpath/blobdiff_plain/263d6e0d5b3272ea76ed646258ee945fae8a096f..e0d83cefbc0d0fec6a9e59a97a2191da6d8e61b4:/checkpath.h

diff --git a/checkpath.h b/checkpath.h
index d52eac9..5b2e938 100644
--- a/checkpath.h
+++ b/checkpath.h
@@ -1,7 +1,5 @@
 /* -*-c-*-
  *
- * $Id: checkpath.h,v 1.4 2004/04/08 01:36:22 mdw Exp $
- *
  * Check a path for safety
  *
  * (c) 1999 Mark Wooding
@@ -88,13 +86,63 @@ struct checkpath {
 
 extern unsigned checkpath(const char */*p*/, const struct checkpath */*cp*/);
 
+/* --- @checkpath_addgid@ --- *
+ *
+ * Arguments:	@struct checkpath *cp@ = pointer to block to fill in
+ *		@gid_t g@ = group id to add
+ *
+ * Returns:	Zero if successful, nonzero if the array is full.
+ *
+ * Use:		Adds the group @g@ to the structure.
+ */
+
+extern int checkpath_addgid(struct checkpath */*cp*/, gid_t /*g*/);
+
+/* --- @checkpath_setuid@ --- *
+ *
+ * Arguments:	@struct checkpath *cp@ = pointer to block to fill in
+ *
+ * Returns:	---
+ *
+ * Use:		Fills in the @cp_uid@ slot of the structure with the real uid
+ *		of the current process.
+ */
+
+extern void checkpath_setuid(struct checkpath */*cp*/);
+
+/* --- @checkpath_setgid@ --- *
+ *
+ * Arguments:	@struct checkpath *cp@ = pointer to block to fill in
+ *
+ * Returns:	Zero if successful, nonzero if the array is full.
+ *
+ * Use:		Adds the real gid of the current process to the @cp_gid@
+ *		array.
+ */
+
+extern int checkpath_setgid(/*cp*/);
+
+/* --- @checkpath_setgroups@ --- *
+ *
+ * Arguments:	@struct checkpath *cp@ = pointer to block to fill in
+ *
+ * Returns:	Zero if successful, nonzero if the array is full.
+ *
+ * Use:		Adds the current process's supplementary groups to the
+ *		@cp_gid@ table.
+ */
+
+extern int checkpath_setgroups(struct checkpath */*cp*/);
+
 /* --- @checkpath_setids@ --- *
  *
  * Arguments:	@struct checkpath *cp@ = pointer to block to fill in
  *
  * Returns:	---
  *
- * Use:		Fills in the user ids and things in the structure.
+ * Use:		Fills in the user ids and things in the structure.  This is
+ *		equivalent to setting @cp_gids = 0@ and then calling
+ *		@_setuid@, @_setgid@ and @_setgroups@.  It can't fail.
  */
 
 extern void checkpath_setids(struct checkpath */*cp*/);