- (bal) Cygwin lacks setgroups() API. Patch by Corinna Vinschen
<vinschen@redhat.com>
diff --git a/uidswap.c b/uidswap.c
index 2c43877..3b264cf 100644
--- a/uidswap.c
+++ b/uidswap.c
@@ -80,9 +80,11 @@
if (user_groupslen < 0)
fatal("getgroups: %.100s", strerror(errno));
}
+#ifndef HAVE_CYGWIN
/* Set the effective uid to the given (unprivileged) uid. */
if (setgroups(user_groupslen, user_groups) < 0)
fatal("setgroups: %.100s", strerror(errno));
+#endif /* !HAVE_CYWIN */
#ifndef SAVED_IDS_WORK_WITH_SETEUID
/* Propagate the privileged gid to all of our gids. */
if (setgid(getegid()) < 0)
@@ -130,8 +132,10 @@
setgid(getgid());
#endif /* SAVED_IDS_WORK_WITH_SETEUID */
+#ifndef HAVE_CYGWIN
if (setgroups(saved_egroupslen, saved_egroups) < 0)
fatal("setgroups: %.100s", strerror(errno));
+#endif /* !HAVE_CYGWIN */
temporarily_use_uid_effective = 0;
}