wroclaw-git-backups/nix
1
0
Fork 0
mirror of https://github.com/NixOS/nix synced 2025-06-27 04:21:16 +02:00
Code Activity

* Use setre[ug]id() instead of setres[ug]id(), since the former is

Browse source 
more common than the latter (which exists only on Linux and
  FreeBSD).  We don't really care about dropping the saved IDs since
  there apparently is no way to quiry them in any case, so it can't
  influence the build (unlike the effective IDs which are checked by
  Perl for instance).
This commit is contained in:
Eelco Dolstra 2004-09-09 15:55:31 +00:00
parent e043fc7d0b
commit 5396304c73
5 changed files with 88 additions and 35 deletions
Download patch file Download diff file Expand all files Collapse all files

8
src/libmain/shared.cc
View file

@ -169,9 +169,9 @@ static void initAndRun(int argc, char * * argv)
}
#if HAVE_SETRESUID
#define _setuid(uid) setresuid(uid, uid, uid)
#define _setgid(gid) setresgid(gid, gid, gid)
#if HAVE_SETREUID
#define _setuid(uid) setreuid(uid, uid)
#define _setgid(gid) setregid(gid, gid)
#else
/* Only works properly when run by root. */
#define _setuid(uid) setuid(uid)
@ -208,7 +208,7 @@ void switchToNixUser()
/* !!! Apparently it is unspecified whether getgroups() includes
the effective gid. In that case the following test is always
true *if* the program is installed setgid (which we do when we
have setresuid()). On Linux this doesn't appear to be the
have setreuid()). On Linux this doesn't appear to be the
case, but we should switch to the real gid before doing this
test, and then switch back to the saved gid. */