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* On systems that have the setresuid() and setresgid() system calls to

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set the real uid and gid to the effective uid and gid, the Nix
  binaries can be installed as owned by the Nix user and group instead
  of root, so no root involvement of any kind is necessary.

  Linux and FreeBSD have these functions.
This commit is contained in:
Eelco Dolstra 2004-08-20 15:22:33 +00:00
parent 2d35116c13
commit e77fbe0fa2
3 changed files with 32 additions and 8 deletions
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5
src/Makefile.am
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@ -4,5 +4,10 @@ SUBDIRS = bin2c boost libutil libstore libmain nix-store nix-hash \
SETUID_PROGS = nix-store nix-instantiate nix-env
install-exec-hook:
if SETUID_HACK
if HAVE_SETRESUID
cd $(DESTDIR)$(bindir) && chown @NIX_USER@ $(SETUID_PROGS) \
&& chgrp @NIX_GROUP@ $(SETUID_PROGS) && chmod ug+s $(SETUID_PROGS)
else
cd $(DESTDIR)$(bindir) && chown root $(SETUID_PROGS) && chmod u+s $(SETUID_PROGS)
endif
endif