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- djm@cvs.openbsd.org 2011/05/06 21:14:05 

[packet.c packet.h]
     set traffic class for IPv6 traffic as we do for IPv4 TOS;
     patch from lionel AT mamane.lu via Colin Watson in bz#1855;
     ok markus@
This commit is contained in:
Damien Miller 2011-05-15 08:43:13 +10:00
parent 78c40c321b
commit d2ac5d74b4
3 changed files with 34 additions and 18 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@ -14,6 +14,11 @@
- djm@cvs.openbsd.org 2011/05/06 02:05:41 - djm@cvs.openbsd.org 2011/05/06 02:05:41
[sshconnect2.c] [sshconnect2.c]
fix memory leak; bz#1849 ok dtucker@ fix memory leak; bz#1849 ok dtucker@
- djm@cvs.openbsd.org 2011/05/06 21:14:05
[packet.c packet.h]
set traffic class for IPv6 traffic as we do for IPv4 TOS;
patch from lionel AT mamane.lu via Colin Watson in bz#1855;
ok markus@
20110510 20110510
- (dtucker) [openbsd-compat/openssl-compat.{c,h}] Bug #1882: fix - (dtucker) [openbsd-compat/openssl-compat.{c,h}] Bug #1882: fix

44
packet.c
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.c,v 1.172 2010/11/13 23:27:50 djm Exp $ */ /* $OpenBSD: packet.c,v 1.173 2011/05/06 21:14:05 djm Exp $ */
/* /*
* Author: Tatu Ylonen <ylo@cs.hut.fi> * Author: Tatu Ylonen <ylo@cs.hut.fi>
* Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland * Copyright (c) 1995 Tatu Ylonen <ylo@cs.hut.fi>, Espoo, Finland
@ -422,10 +422,8 @@ packet_set_state(int mode, u_int32_t seqnr, u_int64_t blocks, u_int32_t packets,
state->bytes = bytes; state->bytes = bytes;
} }
/* returns 1 if connection is via ipv4 */ static int
packet_connection_af(void)
int
packet_connection_is_ipv4(void)
{ {
struct sockaddr_storage to; struct sockaddr_storage to;
socklen_t tolen = sizeof(to); socklen_t tolen = sizeof(to);
@ -439,9 +437,9 @@ packet_connection_is_ipv4(void)
#ifdef IPV4_IN_IPV6 #ifdef IPV4_IN_IPV6
if (to.ss_family == AF_INET6 && if (to.ss_family == AF_INET6 &&
IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)&to)->sin6_addr)) IN6_IS_ADDR_V4MAPPED(&((struct sockaddr_in6 *)&to)->sin6_addr))
return 1; return AF_INET;
#endif #endif
return 0; return to.ss_family;
} }
/* Sets the connection into non-blocking mode. */ /* Sets the connection into non-blocking mode. */
@ -1752,16 +1750,30 @@ packet_not_very_much_data_to_write(void)
static void static void
packet_set_tos(int tos) packet_set_tos(int tos)
{ {
#if defined(IP_TOS) && !defined(IP_TOS_IS_BROKEN) #ifndef IP_TOS_IS_BROKEN
if (!packet_connection_is_on_socket() || if (!packet_connection_is_on_socket())
!packet_connection_is_ipv4())
return; return;
debug3("%s: set IP_TOS 0x%02x", __func__, tos); switch (packet_connection_af()) {
if (setsockopt(active_state->connection_in, IPPROTO_IP, IP_TOS, &tos, # ifdef IP_TOS
sizeof(tos)) < 0) case AF_INET:
error("setsockopt IP_TOS %d: %.100s:", debug3("%s: set IP_TOS 0x%02x", __func__, tos);
tos, strerror(errno)); if (setsockopt(active_state->connection_in,
#endif IPPROTO_IP, IP_TOS, &tos, sizeof(tos)) < 0)
error("setsockopt IP_TOS %d: %.100s:",
tos, strerror(errno));
break;
# endif /* IP_TOS */
# ifdef IPV6_TCLASS
case AF_INET6:
debug3("%s: set IPV6_TCLASS 0x%02x", __func__, tos);
if (setsockopt(active_state->connection_in,
IPPROTO_IPV6, IPV6_TCLASS, &tos, sizeof(tos)) < 0)
error("setsockopt IPV6_TCLASS %d: %.100s:",
tos, strerror(errno));
break;
}
# endif /* IPV6_TCLASS */
#endif /* IP_TOS_IS_BROKEN */
} }
/* Informs that the current session is interactive. Sets IP flags for that. */ /* Informs that the current session is interactive. Sets IP flags for that. */

3
packet.h
View File

@ -1,4 +1,4 @@
/* $OpenBSD: packet.h,v 1.55 2010/11/13 23:27:50 djm Exp $ */ /* $OpenBSD: packet.h,v 1.56 2011/05/06 21:14:05 djm Exp $ */
/* /*
* Author: Tatu Ylonen <ylo@cs.hut.fi> * Author: Tatu Ylonen <ylo@cs.hut.fi>
@ -92,7 +92,6 @@ int packet_have_data_to_write(void);
int packet_not_very_much_data_to_write(void); int packet_not_very_much_data_to_write(void);
int packet_connection_is_on_socket(void); int packet_connection_is_on_socket(void);
int packet_connection_is_ipv4(void);
int packet_remaining(void); int packet_remaining(void);
void packet_send_ignore(int); void packet_send_ignore(int);
void packet_add_padding(u_char); void packet_add_padding(u_char);