From: Philip Homburg <philip@cs.vu.nl>
Date: Mon, 23 Apr 2007 13:30:04 +0000 (+0000)
Subject: Separate permissions for sendrec. Actually initialize send/sendrec permissions
X-Git-Tag: v3.1.4~425
X-Git-Url: http://zhaoyanbai.com/repos/%22http:/www.isc.org/icons/host.html?a=commitdiff_plain;h=7541e0753bd308f86d310017bdb94487eaabec4b;p=minix.git

Separate permissions for sendrec. Actually initialize send/sendrec permissions
for data supplied by rs.
---

diff --git a/kernel/system/do_privctl.c b/kernel/system/do_privctl.c
index f8acdcb51..a28d3c128 100644
--- a/kernel/system/do_privctl.c
+++ b/kernel/system/do_privctl.c
@@ -81,6 +81,11 @@ message *m_ptr;			/* pointer to request message */
 	    }
 	}
 
+	for (i=0; i<BITMAP_CHUNKS(NR_SYS_PROCS); i++) {
+		rp->p_priv->s_ipc_sendrec.chunk[i] = FILLED_MASK;
+	}
+	unset_sys_bit(rp->p_priv->s_ipc_sendrec, USER_PRIV_ID);
+
 	/* No I/O resources, no memory resources, no IRQs, no grant table */
 	priv(rp)->s_nr_io_range= 0;
 	priv(rp)->s_nr_mem_range= 0;
@@ -137,6 +142,10 @@ message *m_ptr;			/* pointer to request message */
 
 		memcpy(priv(rp)->s_k_call_mask, priv.s_k_call_mask,
 			sizeof(priv(rp)->s_k_call_mask));
+		memcpy(&priv(rp)->s_ipc_to, &priv.s_ipc_to,
+			sizeof(priv(rp)->s_ipc_to));
+		memcpy(&priv(rp)->s_ipc_sendrec, &priv.s_ipc_sendrec,
+			sizeof(priv(rp)->s_ipc_sendrec));
 	}
 
 	/* Done. Privileges have been set. Allow process to run again. */