* 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; + + if (!umove_or_printaddr(tcp, addr, &family)) + decode_family(tcp, family, addr, len); + + return true; +} -- 2.7.4 ------------------------------------------------------------------------------ Check out the vibrant tech community on one of the world's most engaging tech sites, Slashdot.org! http://sdm.link/slashdot _______________________________________________ Strace-devel mailing list Strace-devel@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/strace-devel