If netfilter is enabled, a userspace program may wish to set the mark for each packets its send instead of using the MARK target. Signed-off-by: Laszlo Attila Toth <panther@xxxxxxxxxx> --- include/asm-alpha/socket.h | 2 ++ include/asm-arm/socket.h | 2 ++ include/asm-avr32/socket.h | 2 ++ include/asm-blackfin/socket.h | 3 +++ include/asm-cris/socket.h | 2 ++ include/asm-frv/socket.h | 2 ++ include/asm-h8300/socket.h | 2 ++ include/asm-ia64/socket.h | 4 +++- include/asm-m32r/socket.h | 2 ++ include/asm-m68k/socket.h | 2 ++ include/asm-mips/socket.h | 2 ++ include/asm-parisc/socket.h | 2 ++ include/asm-powerpc/socket.h | 2 ++ include/asm-s390/socket.h | 2 ++ include/asm-sh/socket.h | 2 ++ include/asm-sparc/socket.h | 2 ++ include/asm-sparc64/socket.h | 1 + include/asm-v850/socket.h | 2 ++ include/asm-x86/socket.h | 2 ++ include/asm-xtensa/socket.h | 2 ++ include/net/route.h | 7 ++++++- include/net/sock.h | 3 +++ net/core/sock.c | 14 ++++++++++++++ net/ipv4/icmp.c | 8 ++++++-- net/ipv4/ip_output.c | 9 +++++++++ net/ipv4/raw.c | 6 ++++++ 26 files changed, 85 insertions(+), 4 deletions(-) diff --git a/include/asm-alpha/socket.h b/include/asm-alpha/socket.h index 1fede7f..08c9793 100644 --- a/include/asm-alpha/socket.h +++ b/include/asm-alpha/socket.h @@ -60,4 +60,6 @@ #define SO_SECURITY_ENCRYPTION_TRANSPORT 20 #define SO_SECURITY_ENCRYPTION_NETWORK 21 +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-arm/socket.h b/include/asm-arm/socket.h index 65a1a64..6817be9 100644 --- a/include/asm-arm/socket.h +++ b/include/asm-arm/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-avr32/socket.h b/include/asm-avr32/socket.h index a0d0507..35863f2 100644 --- a/include/asm-avr32/socket.h +++ b/include/asm-avr32/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* __ASM_AVR32_SOCKET_H */ diff --git a/include/asm-blackfin/socket.h b/include/asm-blackfin/socket.h index 5213c96..2ca702e 100644 --- a/include/asm-blackfin/socket.h +++ b/include/asm-blackfin/socket.h @@ -50,4 +50,7 @@ #define SO_PASSSEC 34 #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS + +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-cris/socket.h b/include/asm-cris/socket.h index 5b18dfd..9df0ca8 100644 --- a/include/asm-cris/socket.h +++ b/include/asm-cris/socket.h @@ -54,6 +54,8 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-frv/socket.h b/include/asm-frv/socket.h index a823bef..e51ca67 100644 --- a/include/asm-frv/socket.h +++ b/include/asm-frv/socket.h @@ -52,5 +52,7 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-h8300/socket.h b/include/asm-h8300/socket.h index 39911d8..da2520d 100644 --- a/include/asm-h8300/socket.h +++ b/include/asm-h8300/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-ia64/socket.h b/include/asm-ia64/socket.h index 9e42ce4..40d938f 100644 --- a/include/asm-ia64/socket.h +++ b/include/asm-ia64/socket.h @@ -56,9 +56,11 @@ #define SO_ACCEPTCONN 30 -#define SO_PEERSEC 31 +#define SO_PEERSEC 31 #define SO_PASSSEC 34 #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_IA64_SOCKET_H */ diff --git a/include/asm-m32r/socket.h b/include/asm-m32r/socket.h index 793d5d3..9a0e200 100644 --- a/include/asm-m32r/socket.h +++ b/include/asm-m32r/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_M32R_SOCKET_H */ diff --git a/include/asm-m68k/socket.h b/include/asm-m68k/socket.h index 6d21b90..dbc64e9 100644 --- a/include/asm-m68k/socket.h +++ b/include/asm-m68k/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-mips/socket.h b/include/asm-mips/socket.h index 9594568..63f6025 100644 --- a/include/asm-mips/socket.h +++ b/include/asm-mips/socket.h @@ -73,6 +73,8 @@ To add: #define SO_REUSEPORT 0x0200 /* Allow local address and port reuse. */ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #ifdef __KERNEL__ /** sock_type - Socket types diff --git a/include/asm-parisc/socket.h b/include/asm-parisc/socket.h index 99e868f..69a7a0d 100644 --- a/include/asm-parisc/socket.h +++ b/include/asm-parisc/socket.h @@ -52,4 +52,6 @@ #define SO_PEERSEC 0x401d #define SO_PASSSEC 0x401e +#define SO_MARK 0x401f + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-powerpc/socket.h b/include/asm-powerpc/socket.h index 403e9fd..f5a4e16 100644 --- a/include/asm-powerpc/socket.h +++ b/include/asm-powerpc/socket.h @@ -59,4 +59,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_POWERPC_SOCKET_H */ diff --git a/include/asm-s390/socket.h b/include/asm-s390/socket.h index 1161ebe..c786ab6 100644 --- a/include/asm-s390/socket.h +++ b/include/asm-s390/socket.h @@ -60,4 +60,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-sh/socket.h b/include/asm-sh/socket.h index c48d6fc..6d4bf65 100644 --- a/include/asm-sh/socket.h +++ b/include/asm-sh/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* __ASM_SH_SOCKET_H */ diff --git a/include/asm-sparc/socket.h b/include/asm-sparc/socket.h index 7c14239..2e2bd0b 100644 --- a/include/asm-sparc/socket.h +++ b/include/asm-sparc/socket.h @@ -52,6 +52,8 @@ #define SO_TIMESTAMPNS 0x0021 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 0x0022 + /* Security levels - as per NRL IPv6 - don't actually do anything */ #define SO_SECURITY_AUTHENTICATION 0x5001 #define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 diff --git a/include/asm-sparc64/socket.h b/include/asm-sparc64/socket.h index 986441d..44a625a 100644 --- a/include/asm-sparc64/socket.h +++ b/include/asm-sparc64/socket.h @@ -57,4 +57,5 @@ #define SO_SECURITY_ENCRYPTION_TRANSPORT 0x5002 #define SO_SECURITY_ENCRYPTION_NETWORK 0x5004 +#define SO_MARK 0x0022 #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-v850/socket.h b/include/asm-v850/socket.h index a4c2493..e199a2b 100644 --- a/include/asm-v850/socket.h +++ b/include/asm-v850/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* __V850_SOCKET_H__ */ diff --git a/include/asm-x86/socket.h b/include/asm-x86/socket.h index 99ca648..80af9c4 100644 --- a/include/asm-x86/socket.h +++ b/include/asm-x86/socket.h @@ -52,4 +52,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _ASM_SOCKET_H */ diff --git a/include/asm-xtensa/socket.h b/include/asm-xtensa/socket.h index 1f5aeac..6100682 100644 --- a/include/asm-xtensa/socket.h +++ b/include/asm-xtensa/socket.h @@ -63,4 +63,6 @@ #define SO_TIMESTAMPNS 35 #define SCM_TIMESTAMPNS SO_TIMESTAMPNS +#define SO_MARK 36 + #endif /* _XTENSA_SOCKET_H */ diff --git a/include/net/route.h b/include/net/route.h index 5847e6f..70792e3 100644 --- a/include/net/route.h +++ b/include/net/route.h @@ -27,6 +27,7 @@ #include <net/dst.h> #include <net/inetpeer.h> #include <net/flow.h> +#include <net/sock.h> #include <linux/in_route.h> #include <linux/rtnetlink.h> #include <linux/route.h> @@ -148,9 +149,13 @@ static inline int ip_route_connect(struct rtable **rp, __be32 dst, int flags) { struct flowi fl = { .oif = oif, +#ifdef CONFIG_NETFILTER + .mark = sk->sk_mark, +#endif .nl_u = { .ip4_u = { .daddr = dst, .saddr = src, - .tos = tos } }, + .tos = tos, + } }, .proto = protocol, .uli_u = { .ports = { .sport = sport, diff --git a/include/net/sock.h b/include/net/sock.h index 9023244..8e88a0e 100644 --- a/include/net/sock.h +++ b/include/net/sock.h @@ -252,6 +252,9 @@ struct sock { long sk_rcvtimeo; long sk_sndtimeo; struct sk_filter *sk_filter; +#ifdef CONFIG_NETFILTER + __u32 sk_mark; +#endif void *sk_protinfo; struct timer_list sk_timer; ktime_t sk_stamp; diff --git a/net/core/sock.c b/net/core/sock.c index 1c4b1cd..ab47daa 100644 --- a/net/core/sock.c +++ b/net/core/sock.c @@ -667,6 +667,15 @@ set_rcvbuf: else clear_bit(SOCK_PASSSEC, &sock->flags); break; + case SO_MARK: + if (!capable(CAP_NET_ADMIN)) + ret = -EPERM; + else { +#ifdef CONFIG_NETFILTER + sk->sk_mark = val; +#endif + } + break; /* We implement the SO_SNDLOWAT etc to not be settable (1003.1g 5.3) */ @@ -836,6 +845,11 @@ int sock_getsockopt(struct socket *sock, int level, int optname, case SO_PEERSEC: return security_socket_getpeersec_stream(sock, optval, optlen, len); + case SO_MARK: +#ifdef CONFIG_NETFILTER + v.val = sk->sk_mark; +#endif + break; default: return -ENOPROTOOPT; } diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c index 7ed8c50..1219369 100644 --- a/net/ipv4/icmp.c +++ b/net/ipv4/icmp.c @@ -401,8 +401,12 @@ static void icmp_reply(struct icmp_bxm *icmp_param, struct sk_buff *skb) struct flowi fl = { .nl_u = { .ip4_u = { .daddr = daddr, .saddr = rt->rt_spec_dst, - .tos = RT_TOS(ip_hdr(skb)->tos) } }, - .proto = IPPROTO_ICMP }; + .tos = RT_TOS(ip_hdr(skb)->tos) + } }, +#ifdef CONFIG_NETFILTER + .mark = sk->sk_mark, +#endif + .proto = IPPROTO_ICMP }; security_skb_classify_flow(skb, &fl); if (ip_route_output_key(&rt, &fl)) goto out_unlock; diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c index e57de0f..6002c4e 100644 --- a/net/ipv4/ip_output.c +++ b/net/ipv4/ip_output.c @@ -168,6 +168,9 @@ int ip_build_and_send_pkt(struct sk_buff *skb, struct sock *sk, } skb->priority = sk->sk_priority; +#ifdef CONFIG_NETFILTER + skb->mark = sk->sk_mark; +#endif /* Send it out. */ return ip_local_out(skb); @@ -385,6 +388,9 @@ packet_routed: (skb_shinfo(skb)->gso_segs ?: 1) - 1); skb->priority = sk->sk_priority; +#ifdef CONFIG_NETFILTER + skb->mark = sk->sk_mark; +#endif return ip_local_out(skb); @@ -1282,6 +1288,9 @@ int ip_push_pending_frames(struct sock *sk) iph->daddr = rt->rt_dst; skb->priority = sk->sk_priority; +#ifdef CONFIG_NETFILTER + skb->mark = sk->sk_mark; +#endif skb->dst = dst_clone(&rt->u.dst); if (iph->protocol == IPPROTO_ICMP) diff --git a/net/ipv4/raw.c b/net/ipv4/raw.c index 91a5218..9d93ba0 100644 --- a/net/ipv4/raw.c +++ b/net/ipv4/raw.c @@ -352,6 +352,9 @@ static int raw_send_hdrinc(struct sock *sk, void *from, size_t length, skb_reserve(skb, hh_len); skb->priority = sk->sk_priority; +#ifdef CONFIG_NETFILTER + skb->mark = sk->sk_mark; +#endif skb->dst = dst_clone(&rt->u.dst); skb_reset_network_header(skb); @@ -544,6 +547,9 @@ static int raw_sendmsg(struct kiocb *iocb, struct sock *sk, struct msghdr *msg, { struct flowi fl = { .oif = ipc.oif, +#ifdef CONFIG_NETFILTER + .mark = sk->sk_mark, +#endif .nl_u = { .ip4_u = { .daddr = daddr, .saddr = saddr, -- 1.5.2.5 - 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