Commit bf90438c authored by Daan De Meyer's avatar Daan De Meyer Committed by Martin KaFai Lau
Browse files

libbpf: Add support for cgroup unix socket address hooks 



Add the necessary plumbing to hook up the new cgroup unix sockaddr
hooks into libbpf.

Signed-off-by: default avatarDaan De Meyer <daan.j.demeyer@gmail.com>
Link: https://lore.kernel.org/r/20231011185113.140426-6-daan.j.demeyer@gmail.com


Signed-off-by: default avatarMartin KaFai Lau <martin.lau@kernel.org>
parent 859051dd

tools/lib/bpf/libbpf.c

+10 −0
Original line number Diff line number Diff line
@@ -82,17 +82,22 @@ static const char * const attach_type_name[] = { 
	[BPF_CGROUP_INET6_BIND]		= "cgroup_inet6_bind",

	[BPF_CGROUP_INET4_CONNECT]	= "cgroup_inet4_connect",

	[BPF_CGROUP_INET6_CONNECT]	= "cgroup_inet6_connect",

	[BPF_CGROUP_UNIX_CONNECT]       = "cgroup_unix_connect",

	[BPF_CGROUP_INET4_POST_BIND]	= "cgroup_inet4_post_bind",

	[BPF_CGROUP_INET6_POST_BIND]	= "cgroup_inet6_post_bind",

	[BPF_CGROUP_INET4_GETPEERNAME]	= "cgroup_inet4_getpeername",

	[BPF_CGROUP_INET6_GETPEERNAME]	= "cgroup_inet6_getpeername",

	[BPF_CGROUP_UNIX_GETPEERNAME]	= "cgroup_unix_getpeername",

	[BPF_CGROUP_INET4_GETSOCKNAME]	= "cgroup_inet4_getsockname",

	[BPF_CGROUP_INET6_GETSOCKNAME]	= "cgroup_inet6_getsockname",

	[BPF_CGROUP_UNIX_GETSOCKNAME]	= "cgroup_unix_getsockname",

	[BPF_CGROUP_UDP4_SENDMSG]	= "cgroup_udp4_sendmsg",

	[BPF_CGROUP_UDP6_SENDMSG]	= "cgroup_udp6_sendmsg",

	[BPF_CGROUP_UNIX_SENDMSG]	= "cgroup_unix_sendmsg",

	[BPF_CGROUP_SYSCTL]		= "cgroup_sysctl",

	[BPF_CGROUP_UDP4_RECVMSG]	= "cgroup_udp4_recvmsg",

	[BPF_CGROUP_UDP6_RECVMSG]	= "cgroup_udp6_recvmsg",

	[BPF_CGROUP_UNIX_RECVMSG]	= "cgroup_unix_recvmsg",

	[BPF_CGROUP_GETSOCKOPT]		= "cgroup_getsockopt",

	[BPF_CGROUP_SETSOCKOPT]		= "cgroup_setsockopt",

	[BPF_SK_SKB_STREAM_PARSER]	= "sk_skb_stream_parser",
@@ -8960,14 +8965,19 @@ static const struct bpf_sec_def section_defs[] = { 
	SEC_DEF("cgroup/bind6",		CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_BIND, SEC_ATTACHABLE),

	SEC_DEF("cgroup/connect4",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_CONNECT, SEC_ATTACHABLE),

	SEC_DEF("cgroup/connect6",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_CONNECT, SEC_ATTACHABLE),

	SEC_DEF("cgroup/connect_unix",	CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_CONNECT, SEC_ATTACHABLE),

	SEC_DEF("cgroup/sendmsg4",	CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_SENDMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/sendmsg6",	CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_SENDMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/sendmsg_unix",	CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_SENDMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/recvmsg4",	CGROUP_SOCK_ADDR, BPF_CGROUP_UDP4_RECVMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/recvmsg6",	CGROUP_SOCK_ADDR, BPF_CGROUP_UDP6_RECVMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/recvmsg_unix",	CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_RECVMSG, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getpeername4",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_GETPEERNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getpeername6",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_GETPEERNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getpeername_unix", CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_GETPEERNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getsockname4",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET4_GETSOCKNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getsockname6",	CGROUP_SOCK_ADDR, BPF_CGROUP_INET6_GETSOCKNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getsockname_unix", CGROUP_SOCK_ADDR, BPF_CGROUP_UNIX_GETSOCKNAME, SEC_ATTACHABLE),

	SEC_DEF("cgroup/sysctl",	CGROUP_SYSCTL, BPF_CGROUP_SYSCTL, SEC_ATTACHABLE),

	SEC_DEF("cgroup/getsockopt",	CGROUP_SOCKOPT, BPF_CGROUP_GETSOCKOPT, SEC_ATTACHABLE),

	SEC_DEF("cgroup/setsockopt",	CGROUP_SOCKOPT, BPF_CGROUP_SETSOCKOPT, SEC_ATTACHABLE),