1 files changed, 19 insertions, 108 deletions

diff --git a/freebsd/sys/netinet/sctp_peeloff.c b/freebsd/sys/netinet/sctp_peeloff.c
index bc5f8a4f..13b55be4 100644
--- a/freebsd/sys/netinet/sctp_peeloff.c
+++ b/freebsd/sys/netinet/sctp_peeloff.c
@@ -2,16 +2,18 @@
 
 /*-
  * Copyright (c) 2001-2007, by Cisco Systems, Inc. All rights reserved.
+ * Copyright (c) 2008-2012, by Randall Stewart. All rights reserved.
+ * Copyright (c) 2008-2012, by Michael Tuexen. All rights reserved.
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
  *
  * a) Redistributions of source code must retain the above copyright notice,
- *   this list of conditions and the following disclaimer.
+ *    this list of conditions and the following disclaimer.
  *
  * b) Redistributions in binary form must reproduce the above copyright
  *    notice, this list of conditions and the following disclaimer in
- *   the documentation and/or other materials provided with the distribution.
+ *    the documentation and/or other materials provided with the distribution.
  *
  * c) Neither the name of Cisco Systems, Inc. nor the names of its
  *    contributors may be used to endorse or promote products derived
@@ -30,11 +32,9 @@
  * THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-
-/* $KAME: sctp_peeloff.c,v 1.13 2005/03/06 16:04:18 itojun Exp $	 */
-
 #include <sys/cdefs.h>
 __FBSDID("$FreeBSD$");
+
 #include <netinet/sctp_os.h>
 #include <netinet/sctp_pcb.h>
 #include <netinet/sctputil.h>
@@ -55,11 +55,20 @@ sctp_can_peel_off(struct socket *head, sctp_assoc_t assoc_id)
 	struct sctp_tcb *stcb;
 	uint32_t state;
 
+	if (head == NULL) {
+		SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EBADF);
+		return (EBADF);
+	}
 	inp = (struct sctp_inpcb *)head->so_pcb;
 	if (inp == NULL) {
-		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EFAULT);
+		SCTP_LTRACE_ERR_RET(NULL, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EFAULT);
 		return (EFAULT);
 	}
+	if ((inp->sctp_flags & SCTP_PCB_FLAGS_TCPTYPE) ||
+	    (inp->sctp_flags & SCTP_PCB_FLAGS_IN_TCPPOOL)) {
+		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EOPNOTSUPP);
+		return (EOPNOTSUPP);
+	}
 	stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1);
 	if (stcb == NULL) {
 		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PEELOFF, ENOENT);
@@ -67,9 +76,7 @@ sctp_can_peel_off(struct socket *head, sctp_assoc_t assoc_id)
 	}
 	state = SCTP_GET_STATE((&stcb->asoc));
 	if ((state == SCTP_STATE_EMPTY) ||
-	    (state == SCTP_STATE_INUSE) ||
-	    (state == SCTP_STATE_COOKIE_WAIT) ||
-	    (state == SCTP_STATE_COOKIE_ECHOED)) {
+	    (state == SCTP_STATE_INUSE)) {
 		SCTP_TCB_UNLOCK(stcb);
 		SCTP_LTRACE_ERR_RET(inp, stcb, NULL, SCTP_FROM_SCTP_PEELOFF, ENOTCONN);
 		return (ENOTCONN);
@@ -98,9 +105,7 @@ sctp_do_peeloff(struct socket *head, struct socket *so, sctp_assoc_t assoc_id)
 	}
 	state = SCTP_GET_STATE((&stcb->asoc));
 	if ((state == SCTP_STATE_EMPTY) ||
-	    (state == SCTP_STATE_INUSE) ||
-	    (state == SCTP_STATE_COOKIE_WAIT) ||
-	    (state == SCTP_STATE_COOKIE_ECHOED)) {
+	    (state == SCTP_STATE_INUSE)) {
 		SCTP_TCB_UNLOCK(stcb);
 		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, ENOTCONN);
 		return (ENOTCONN);
@@ -115,8 +120,10 @@ sctp_do_peeloff(struct socket *head, struct socket *so, sctp_assoc_t assoc_id)
 	n_inp->sctp_mobility_features = inp->sctp_mobility_features;
 	n_inp->sctp_frag_point = inp->sctp_frag_point;
 	n_inp->sctp_cmt_on_off = inp->sctp_cmt_on_off;
+	n_inp->sctp_ecn_enable = inp->sctp_ecn_enable;
 	n_inp->partial_delivery_point = inp->partial_delivery_point;
 	n_inp->sctp_context = inp->sctp_context;
+	n_inp->local_strreset_support = inp->local_strreset_support;
 	n_inp->inp_starting_point_for_iterator = NULL;
 	/* copy in the authentication parameters from the original endpoint */
 	if (n_inp->sctp_ep.local_hmacs)
@@ -142,99 +149,3 @@ sctp_do_peeloff(struct socket *head, struct socket *so, sctp_assoc_t assoc_id)
 
 	return (0);
 }
-
-
-struct socket *
-sctp_get_peeloff(struct socket *head, sctp_assoc_t assoc_id, int *error)
-{
-	struct socket *newso;
-	struct sctp_inpcb *inp, *n_inp;
-	struct sctp_tcb *stcb;
-
-	SCTPDBG(SCTP_DEBUG_PEEL1, "SCTP peel-off called\n");
-	inp = (struct sctp_inpcb *)head->so_pcb;
-	if (inp == NULL) {
-		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, EFAULT);
-		*error = EFAULT;
-		return (NULL);
-	}
-	stcb = sctp_findassociation_ep_asocid(inp, assoc_id, 1);
-	if (stcb == NULL) {
-		SCTP_LTRACE_ERR_RET(inp, NULL, NULL, SCTP_FROM_SCTP_PEELOFF, ENOTCONN);
-		*error = ENOTCONN;
-		return (NULL);
-	}
-	atomic_add_int(&stcb->asoc.refcnt, 1);
-	SCTP_TCB_UNLOCK(stcb);
-	newso = sonewconn(head, SS_ISCONNECTED
-	    );
-	if (newso == NULL) {
-		SCTPDBG(SCTP_DEBUG_PEEL1, "sctp_peeloff:sonewconn failed\n");
-		SCTP_LTRACE_ERR_RET(NULL, stcb, NULL, SCTP_FROM_SCTP_PEELOFF, ENOMEM);
-		*error = ENOMEM;
-		atomic_subtract_int(&stcb->asoc.refcnt, 1);
-		return (NULL);
-
-	}
-	SCTP_TCB_LOCK(stcb);
-	atomic_subtract_int(&stcb->asoc.refcnt, 1);
-	n_inp = (struct sctp_inpcb *)newso->so_pcb;
-	SOCK_LOCK(head);
-	n_inp->sctp_flags = (SCTP_PCB_FLAGS_UDPTYPE |
-	    SCTP_PCB_FLAGS_CONNECTED |
-	    SCTP_PCB_FLAGS_IN_TCPPOOL |	/* Turn on Blocking IO */
-	    (SCTP_PCB_COPY_FLAGS & inp->sctp_flags));
-	n_inp->sctp_features = inp->sctp_features;
-	n_inp->sctp_frag_point = inp->sctp_frag_point;
-	n_inp->sctp_cmt_on_off = inp->sctp_cmt_on_off;
-	n_inp->partial_delivery_point = inp->partial_delivery_point;
-	n_inp->sctp_context = inp->sctp_context;
-	n_inp->inp_starting_point_for_iterator = NULL;
-
-	/* copy in the authentication parameters from the original endpoint */
-	if (n_inp->sctp_ep.local_hmacs)
-		sctp_free_hmaclist(n_inp->sctp_ep.local_hmacs);
-	n_inp->sctp_ep.local_hmacs =
-	    sctp_copy_hmaclist(inp->sctp_ep.local_hmacs);
-	if (n_inp->sctp_ep.local_auth_chunks)
-		sctp_free_chunklist(n_inp->sctp_ep.local_auth_chunks);
-	n_inp->sctp_ep.local_auth_chunks =
-	    sctp_copy_chunklist(inp->sctp_ep.local_auth_chunks);
-	(void)sctp_copy_skeylist(&inp->sctp_ep.shared_keys,
-	    &n_inp->sctp_ep.shared_keys);
-
-	n_inp->sctp_socket = newso;
-	if (sctp_is_feature_on(inp, SCTP_PCB_FLAGS_AUTOCLOSE)) {
-		sctp_feature_off(n_inp, SCTP_PCB_FLAGS_AUTOCLOSE);
-		n_inp->sctp_ep.auto_close_time = 0;
-		sctp_timer_stop(SCTP_TIMER_TYPE_AUTOCLOSE, n_inp, stcb, NULL,
-		    SCTP_FROM_SCTP_PEELOFF + SCTP_LOC_1);
-	}
-	/* Turn off any non-blocking semantic. */
-	SCTP_CLEAR_SO_NBIO(newso);
-	newso->so_state |= SS_ISCONNECTED;
-	/* We remove it right away */
-
-#ifdef SCTP_LOCK_LOGGING
-	if (SCTP_BASE_SYSCTL(sctp_logging_level) & SCTP_LOCK_LOGGING_ENABLE) {
-		sctp_log_lock(inp, (struct sctp_tcb *)NULL, SCTP_LOG_LOCK_SOCK);
-	}
-#endif
-	TAILQ_REMOVE(&head->so_comp, newso, so_list);
-	head->so_qlen--;
-	SOCK_UNLOCK(head);
-	/*
-	 * Now we must move it from one hash table to another and get the
-	 * stcb in the right place.
-	 */
-	sctp_move_pcb_and_assoc(inp, n_inp, stcb);
-	atomic_add_int(&stcb->asoc.refcnt, 1);
-	SCTP_TCB_UNLOCK(stcb);
-	/*
-	 * And now the final hack. We move data in the pending side i.e.
-	 * head to the new socket buffer. Let the GRUBBING begin :-0
-	 */
-	sctp_pull_off_control_to_new_inp(inp, n_inp, stcb, SBL_WAIT);
-	atomic_subtract_int(&stcb->asoc.refcnt, 1);
-	return (newso);
-}