On Wed, Aug 09, 2017 at 10:07:38AM +0800, JingPiao Chen wrote:
> * netlink_route.c: New file.
> * Makefile.am (strace_SOURCES): Add it.
> * defs.h (decode_netlink_route): New prototype.
> * netlink.c (netlink_decoders): Add NETLINK_ROUTE.
>
> Co-authored-by: Fabien Siron <fabien.si...@epita.fr>
> ---
> Makefile.am | 1 +
> defs.h | 1 +
> netlink.c | 1 +
> netlink_route.c | 62
> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> 4 files changed, 65 insertions(+)
> create mode 100644 netlink_route.c
>
> diff --git a/Makefile.am b/Makefile.am
> index 5b2b93a..23ce121 100644
> --- a/Makefile.am
> +++ b/Makefile.am
> @@ -193,6 +193,7 @@ strace_SOURCES = \
> netlink_inet_diag.c \
> netlink_netlink_diag.c \
> netlink_packet_diag.c \
> + netlink_route.c \
> netlink_selinux.c \
> netlink_smc_diag.c \
> netlink_sock_diag.c \
> diff --git a/defs.h b/defs.h
> index 081fd4a..44a6296 100644
> --- a/defs.h
> +++ b/defs.h
> @@ -697,6 +697,7 @@ decode_netlink_ ## name(struct tcb *, const struct
> nlmsghdr *, \
> /* End of DECL_NETLINK definition. */
>
> DECL_NETLINK(crypto);
> +DECL_NETLINK(route);
> DECL_NETLINK(selinux);
> DECL_NETLINK(sock_diag);
>
> diff --git a/netlink.c b/netlink.c
> index 2f34673..2a0353f 100644
> --- a/netlink.c
> +++ b/netlink.c
> @@ -372,6 +372,7 @@ static const netlink_decoder_t netlink_decoders[] = {
> #ifdef HAVE_LINUX_CRYPTOUSER_H
> [NETLINK_CRYPTO] = decode_netlink_crypto,
> #endif
> + [NETLINK_ROUTE] = decode_netlink_route,
> [NETLINK_SELINUX] = decode_netlink_selinux,
> [NETLINK_SOCK_DIAG] = decode_netlink_sock_diag
> };
> diff --git a/netlink_route.c b/netlink_route.c
> new file mode 100644
> index 0000000..2e7faa4
> --- /dev/null
> +++ b/netlink_route.c
> @@ -0,0 +1,62 @@
> +/*
> + * Copyright (c) 2016 Fabien Siron <fabien.si...@epita.fr>
> + * Copyright (c) 2017 JingPiao Chen <chenjingp...@gmail.com>
> + * Copyright (c) 2016-2017 The strace developers.
> + * All rights reserved.
> + *
> + * Redistribution and use in source and binary forms, with or without
> + * modification, are permitted provided that the following conditions
> + * are met:
> + * 1. Redistributions of source code must retain the above copyright
> + * notice, this list of conditions and the following disclaimer.
> + * 2. 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.
> + * 3. The name of the author may not be used to endorse or promote products
> + * derived from this software without specific prior written permission.
> + *
> + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
> + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
> + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
> + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
> + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
> + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
> + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
> + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
> + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
> + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
> + */
> +
> +#include "defs.h"
> +#include "netlink.h"
> +
> +static void
> +decode_family(struct tcb *const tcp, const uint8_t family,
> + const kernel_ulong_t addr, const unsigned int len)
> +{
> + tprints("{family=");
> + printxval(addrfams, family, "AF_???");
> + if (len > sizeof(family)) {
> + tprints(", ");
> + printstr_ex(tcp, addr + sizeof(family),
> + len - sizeof(family), QUOTE_FORCE_HEX);
> + }
> + tprints("}");
> +}
> +
> +bool
> +decode_netlink_route(struct tcb *const tcp,
> + const struct nlmsghdr *const nlmsghdr,
> + const kernel_ulong_t addr,
> + const unsigned int len)
> +{
> + uint8_t family;
> +
> + if (nlmsghdr->nlmsg_type == NLMSG_DONE)
> + return false;Thanks, I've merged the series. Please note that "nlmsghdr->nlmsg_type == NLMSG_DONE" branch of this statement is not covered by tests yet. -- ldv
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