Revert implementation of setfsuid and setfsgid due to security

issues.

Requested by: rwatson
Backed by: kris

4 files changed, 4 insertions, 40 deletions

diff --git a/sys/alpha/linux/linux_dummy.c b/sys/alpha/linux/linux_dummy.c
index 25615fd..7afe4b3 100644
--- a/sys/alpha/linux/linux_dummy.c
+++ b/sys/alpha/linux/linux_dummy.c
@@ -84,6 +84,8 @@ DUMMY(quotactl);
 DUMMY(bdflush);
 DUMMY(sysfs);
 DUMMY(afs_syscall);
+DUMMY(setfsuid);
+DUMMY(setfsgid);
 DUMMY(getsid);
 DUMMY(sysctl);
 DUMMY(getresuid);
diff --git a/sys/compat/linux/linux_misc.c b/sys/compat/linux/linux_misc.c
index 87faf63..1adea54 100644
--- a/sys/compat/linux/linux_misc.c
+++ b/sys/compat/linux/linux_misc.c
@@ -1466,23 +1466,3 @@ linux_modify_ldt(p, uap)
 
 	return (error);
 }
-
-int
-linux_setfsuid(p, uap)
-	struct proc *p;
-	struct linux_setfsuid_args *uap;
-{
-	p->p_retval[0] = p->p_ucred->cr_uid;
-	/* XXX - emit a diagnostics message */
-	return 0;
-}
-
-int
-linux_setfsgid(p, uap)
-	struct proc *p;
-	struct linux_setfsgid_args *uap;
-{
-	p->p_retval[0] = p->p_ucred->cr_gid;
-	/* XXX - emit a diagnostics message */
-	return 0;
-}
diff --git a/sys/i386/linux/linux_dummy.c b/sys/i386/linux/linux_dummy.c
index 25615fd..7afe4b3 100644
--- a/sys/i386/linux/linux_dummy.c
+++ b/sys/i386/linux/linux_dummy.c
@@ -84,6 +84,8 @@ DUMMY(quotactl);
 DUMMY(bdflush);
 DUMMY(sysfs);
 DUMMY(afs_syscall);
+DUMMY(setfsuid);
+DUMMY(setfsgid);
 DUMMY(getsid);
 DUMMY(sysctl);
 DUMMY(getresuid);
diff --git a/sys/i386/linux/linux_misc.c b/sys/i386/linux/linux_misc.c
index 87faf63..1adea54 100644
--- a/sys/i386/linux/linux_misc.c
+++ b/sys/i386/linux/linux_misc.c
@@ -1466,23 +1466,3 @@ linux_modify_ldt(p, uap)
 
 	return (error);
 }
-
-int
-linux_setfsuid(p, uap)
-	struct proc *p;
-	struct linux_setfsuid_args *uap;
-{
-	p->p_retval[0] = p->p_ucred->cr_uid;
-	/* XXX - emit a diagnostics message */
-	return 0;
-}
-
-int
-linux_setfsgid(p, uap)
-	struct proc *p;
-	struct linux_setfsgid_args *uap;
-{
-	p->p_retval[0] = p->p_ucred->cr_gid;
-	/* XXX - emit a diagnostics message */
-	return 0;
-}