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11 Commits

Author SHA1 Message Date
Dmitry V. Levin
300d9f1fee netlink: print descriptor attributes using printfd 
* nlattr.h (DECL_NLA(fd)): New prototype.
* nlattr.c (decode_nla_fd): New function.
* rtnl_link.c (ifla_xdp_nla_decoders) <IFLA_XDP_FD>: Use it.
(ifinfomsg_nla_decoders) <IFLA_NET_NS_FD>: Likewise.
* rtnl_nsid.c (rtgenmsg_nla_decoders) <NETNSA_FD>: Likewise.
* NEWS: Mention this.
 2017-11-15 15:30:49 +00:00
JingPiao Chen
d3cbd56ef3 rtnl_tc: decode tcmsg netlink attributes 
* configure.ac (AC_CHECK_TYPES): Check for gnet_stats_basic,
gnet_stats_queue, gnet_stats_rate_est,
and gnet_stats_rate_est64 structures in <linux/gen_stats.h>.
And check for struct tc_sizespec in <linux/pkt_sched.h>.
* nlattr.h (tc_stats): New prototype.
* rtnl_tc.c: Include <linux/gen_stats.h>, <linux/pkt_sched.h>,
"xlat/rtnl_tca_stab_attrs.h" and "xlat/rtnl_tca_stats_attrs.h".
(decode_tc_stats, decode_tc_estimator, decode_gnet_stats_basic,
decode_gnet_stats_rate_est, decode_gnet_stats_queue,
decode_gnet_stats_rate_est64, decode_nla_tc_stats,
decode_tc_sizespec, print_stab_data, decode_tca_stab_data,
decode_tca_stab): New functions.
(tca_stats_nla_decoders, tca_stab_nla_decoders,
tcmsg_nla_decoders): New arrays.
(decode_tcmsg): Use tcmsg_nla_decoders.
* xlat/rtnl_tca_stab_attrs.in: New file.
* xlat/rtnl_tca_stats_attrs.in: Likewise.
 2017-09-07 11:35:04 +00:00
Dmitry V. Levin
a6a1bc9abc rtnl_route: enhance RTA_TABLE decoding 
The attribute of RTA_TABLE is not just a 32-bit integer, some constants
have well-known symbolic names like RT_TABLE_DEFAULT.

* nlattr.h (decode_nla_rt_class): New prototype.
* rtnl_route.c (decode_nla_rt_class): New function.
(rtmsg_nla_decoders) <RTA_TABLE>: Use it.
* tests/nlattr_rtmsg.c (main): Check RTA_TABLE decoding.
 2017-08-29 10:09:04 +00:00
JingPiao Chen
19abd528fb rtnl_neigh: decode ndmsg netlink attributes 
* nlattr.c: Include <netinet/in.h> and <arpa/inet.h>.
(decode_nla_be16): New function.
* nlattr.h (decode_nla_be16): New prototype.
* rtnl_neigh.c (decode_neigh_addr,
decode_nda_cacheinfo): New functions.
(ndmsg_nla_decoders): New array.
(decode_ndmsg): Use it.
 2017-08-29 15:23:36 +08:00
JingPiao Chen
b9a437c147 rtnl_rule: decode fib_rule_hdr netlink attributes 
* configure.ac (AC_CHECK_FUNCS): Add be64toh.
(AC_CHECK_TYPES): Check for struct fib_rule_uid_range
in <linux/fib_rules.h>.
* nlattr.c: Include <endian.h>.
(decode_nla_be64): New function.
* nlattr.h (decode_nla_be64): New prototype.
* rtnl_rule.c (decode_rule_addr,
decode_fib_rule_uid_range): New functions.
(fib_rule_hdr_nla_decoders): New array.
(decode_fib_rule_hdr): Use it.
 2017-08-29 15:13:12 +08:00
JingPiao Chen
e8a856f4bd rtnl_route: decode rtmsg netlink attributes 
* configure.ac (AC_CHECK_TYPES): Check for
rta_mfc_stats and rtvia structures in <linux/rtnetlink.h>.
* nlattr.c (decode_nla_ifindex): New function.
* nlattr.h (decode_nla_ifindex): New prototype.
* rtnl_route.c (decode_route_addr, decode_rta_metrics,
decode_rta_multipath, decode_rta_cacheinfo,
decode_rta_mfc_stats, decode_rtvia,
decode_rta_encap_type): New functions.
(rta_metrics_nla_decoders, rtmsg_nla_decoders): New arrays.
(decode_rtmsg): Use rtmsg_nla_decoders.
* xlat/lwtunnel_encap_types.in: New file.
* xlat/route_nexthop_flags.in: Likewise.
* xlat/rtnl_rta_metrics_attrs.in: Likewise.

Co-authored-by: Dmitry V. Levin <ldv@altlinux.org>
 2017-08-26 16:45:18 +00:00
Eugene Syromyatnikov
861e50b6df Add terminating comment after each DECL_* macro definition 
In an attempt to improve readability.

* defs.h (DECL_IOCTL, DECL_NETLINK, DECL_PRINTNUM, DECL_PRINTNUM_ADDR,
ATTRIBUTE_FORMAT): Add comment that marks end of macro definition.
* netlink_sock_diag (DECL_NETLINK_DIAG_DECODER): Likewise.
* nlattr.h (DECL_NLA): Likewise.
 2017-07-25 14:26:10 +02:00
Dmitry V. Levin
bf24770d91 Move family-specific NETLINK_SOCK_DIAG parsers to separate files 
Split netlink_sock_diag.c that grew too big.

* defs.h (tcp_states, tcp_state_flags): New xlat prototypes.
* netlink_sock_diag.h: New file.
* netlink_inet_diag.c: Likewise.
* netlink_netlink_diag.c: Likewise.
* netlink_packet_diag.c: Likewise.
* netlink_smc_diag.c: Likewise.
* netlink_unix_diag.c: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* netlink_sock_diag.c: Move family-specific parsers and associated
header includes to separate files.
* nlattr.h (DECL_NLA(meminfo)): New prototype.
* nlattr.c: Include <linux/sock_diag.h>.
(print_meminfo, decode_nla_meminfo): New functions from
netlink_sock_diag.c.
 2017-07-19 10:07:34 +00:00
Dmitry V. Levin
c56a3c361c Adjust prototypes of netlink parsing functions 
Change the type of "len" argument that is based
on struct nlmsghdr.nlmsg_len from kernel_ulong_t to unsigned int.

* defs.h (netlink_decoder_t, DECL_NETLINK): Change "len" argument type
from kernel_ulong_t to unsigned int.
* netlink.c (decode_nlmsgerr_attr_cookie, decode_nlmsgerr,
decode_payload): Likewise.
* netlink_selinux.c (decode_netlink_selinux): Likewise.
* netlink_sock_diag.c (decode_family, decode_unix_diag_req,
decode_meminfo, decode_unix_diag_vfs, decode_unix_diag_inode,
decode_unix_diag_rqlen, decode_unix_diag_msg, decode_netlink_diag_req,
print_group, decode_netlink_diag_ring, decode_netlink_diag_flags,
decode_netlink_diag_msg, decode_packet_diag_req,
decode_packet_diag_info, decode_packet_diag_mclist,
decode_packet_diag_ring, decode_packet_diag_filter,
decode_packet_diag_msg, decode_inet_addr, decode_inet_diag_hostcond,
decode_inet_diag_markcond, decode_bytecode_data, decode_inet_diag_bc_op,
decode_inet_diag_req_compat, decode_inet_diag_req_v2,
decode_inet_diag_req, decode_inet_diag_meminfo, decode_tcpvegas_info,
decode_tcp_dctcp_info, decode_tcp_bbr_info, decode_inet_diag_msg,
decode_smc_diag_req, decode_smc_diag_conninfo, decode_smc_diag_lgrinfo,
decode_smc_diag_msg, netlink_diag_decoder_t, decode_netlink_sock_diag):
Likewise.
* nlattr.c (fetch_nlattr, decode_nlattr_with_data, decode_nlattr,
decode_nla_str, decode_nla_strn, DECODE_NLA_INTEGER): Likewise.
* nlattr.h (nla_decoder_t, DECL_NLA, decode_nlattr): Likewise.
 2017-07-19 10:07:34 +00:00
JingPiao Chen
745ead6451 netlink: introduce nla_decoder_t to parse netlink attributes data 
* nlattr.h (nla_decoder_t): New typedef.
(DECL_NLA): New macro.
(decode_nlattr): Add decoders, size and opaque_data argument.
* nlattr.c: (decode_nlattr_with_data): Likewise.
(decode_nla_*): New functions.
* netlink_sock_diag.c (decode_inet_diag_req_compat)
(decode_inet_diag_req_v2, decode_inet_diag_msg)
(decode_netlink_diag_msg, (decode_packet_diag_msg)
(decode_smc_diag_msg, decode_unix_diag_msg): Add decoders,
size and opaque_data arguments. All callers updated.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
 2017-06-30 21:38:49 +00:00
JingPiao Chen
d851f5695d netlink: introduce a basic netlink attributes parser 
* linux/unix_diag.h (UNIX_DIAG_*): New enum.
* nlattr.c: New file.
* nlattr.h: Likewise.
* Makefile.am (strace_SOURCES): Add them.
* netlink_sock_diag.c: Include "nlattr.h" and "xlat/unix_diag_attrs.h".
(decode_unix_diag_msg): Use decode_nlattr.
* xlat/unix_diag_attrs.in: New file.

Co-authored-by: Fabien Siron <fabien.siron@epita.fr>
 2017-06-21 16:36:33 +00:00