--- /dev/null
+#!/bin/sh
+#
+# Check verbose decoding of NETLINK_SOCK_DIAG protocol
+#
+# Copyright (c) 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.
+
+. "${srcdir=.}/init.sh"
+
+run_prog ../netlink_netlink_diag
+run_strace_match_diff -v -e trace=sendto
--- /dev/null
+/*
+ * Copyright (c) 2017 JingPiao Chen <chenjingpiao@gmail.com>
+ * Copyright (c) 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 "tests.h"
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include <net/if.h>
+#include "test_nlattr.h"
+#include <sys/socket.h>
+#include <linux/filter.h>
+#include <linux/packet_diag.h>
+#include <linux/rtnetlink.h>
+#include <linux/sock_diag.h>
+
+#ifdef HAVE_IF_INDEXTONAME
+# define IFINDEX_LO (if_nametoindex("lo"))
+#else
+# define IFINDEX_LO 1
+#endif
+
+static void
+init_packet_diag_msg(struct nlmsghdr *const nlh, const unsigned int msg_len)
+{
+ SET_STRUCT(struct nlmsghdr, nlh,
+ .nlmsg_len = msg_len,
+ .nlmsg_type = SOCK_DIAG_BY_FAMILY,
+ .nlmsg_flags = NLM_F_DUMP
+ );
+
+ struct packet_diag_msg *const msg = NLMSG_DATA(nlh);
+ *msg = (struct packet_diag_msg) {
+ .pdiag_family = AF_PACKET,
+ .pdiag_type = SOCK_STREAM
+ };
+}
+
+static void
+print_packet_diag_msg(const unsigned int msg_len)
+{
+ printf("{len=%u, type=SOCK_DIAG_BY_FAMILY"
+ ", flags=NLM_F_DUMP, seq=0, pid=0}"
+ ", {pdiag_family=AF_PACKET"
+ ", pdiag_type=SOCK_STREAM, pdiag_num=0"
+ ", pdiag_ino=0, pdiag_cookie=[0, 0]}",
+ msg_len);
+}
+
+static void
+print_packet_diag_mclist(const struct packet_diag_mclist *const dml)
+{
+ printf("{pdmc_index=if_nametoindex(\"lo\")");
+ PRINT_FIELD_U(", ", *dml, pdmc_count);
+ PRINT_FIELD_U(", ", *dml, pdmc_type);
+ PRINT_FIELD_U(", ", *dml, pdmc_alen);
+ printf(", pdmc_addr=");
+ print_quoted_hex(dml->pdmc_addr, dml->pdmc_alen);
+ printf("}");
+}
+
+static const struct sock_filter filter[] = {
+ BPF_STMT(BPF_LD|BPF_B|BPF_ABS, SKF_AD_OFF+SKF_AD_PKTTYPE),
+ BPF_STMT(BPF_RET|BPF_K, 0x2a)
+};
+
+static void
+print_sock_filter(const struct sock_filter *const f)
+{
+ if (f == filter)
+ printf("BPF_STMT(BPF_LD|BPF_B|BPF_ABS"
+ ", SKF_AD_OFF+SKF_AD_PKTTYPE)");
+ else
+ printf("BPF_STMT(BPF_RET|BPF_K, 0x2a)");
+}
+
+int
+main(void)
+{
+ skip_if_unavailable("/proc/self/fd/");
+
+ int fd = create_nl_socket(NETLINK_SOCK_DIAG);
+ const unsigned int hdrlen = sizeof(struct packet_diag_msg);
+ void *const nlh0 = tail_alloc(NLMSG_SPACE(hdrlen));
+
+ static char pattern[4096];
+ fill_memory_ex(pattern, sizeof(pattern), 'a', 'z' - 'a' + 1);
+
+ static const struct packet_diag_info pinfo = {
+ .pdi_index = 0xabcddafa,
+ .pdi_version = 0xbabcdafb,
+ .pdi_reserve = 0xcfaacdaf,
+ .pdi_copy_thresh = 0xdabacdaf,
+ .pdi_tstamp = 0xeafbaadf,
+ .pdi_flags = PDI_RUNNING
+ };
+ TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
+ init_packet_diag_msg, print_packet_diag_msg,
+ PACKET_DIAG_INFO, pattern, pinfo,
+ PRINT_FIELD_U("{", pinfo, pdi_index);
+ PRINT_FIELD_U(", ", pinfo, pdi_version);
+ PRINT_FIELD_U(", ", pinfo, pdi_reserve);
+ PRINT_FIELD_U(", ", pinfo, pdi_copy_thresh);
+ PRINT_FIELD_U(", ", pinfo, pdi_tstamp);
+ printf(", pdi_flags=PDI_RUNNING}"));
+
+ const struct packet_diag_mclist dml[] = {
+ {
+ .pdmc_index = IFINDEX_LO,
+ .pdmc_count = 0xabcdaefc,
+ .pdmc_type = 0xcdaf,
+ .pdmc_alen = 4,
+ .pdmc_addr = "1234"
+ },
+ {
+ .pdmc_index = IFINDEX_LO,
+ .pdmc_count = 0xdaefeafc,
+ .pdmc_type = 0xadef,
+ .pdmc_alen = 4,
+ .pdmc_addr = "5678"
+ }
+ };
+ TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
+ init_packet_diag_msg, print_packet_diag_msg,
+ PACKET_DIAG_MCLIST, pattern, dml,
+ print_packet_diag_mclist);
+
+ static const struct packet_diag_ring pdr = {
+ .pdr_block_size = 0xabcdafed,
+ .pdr_block_nr = 0xbcadefae,
+ .pdr_frame_size = 0xcabdfeac,
+ .pdr_frame_nr = 0xdeaeadef,
+ .pdr_retire_tmo = 0xedbafeac,
+ .pdr_sizeof_priv = 0xfeadeacd,
+ .pdr_features = 0xadebadea
+ };
+ TEST_NLATTR_OBJECT(fd, nlh0, hdrlen,
+ init_packet_diag_msg, print_packet_diag_msg,
+ PACKET_DIAG_RX_RING, pattern, pdr,
+ PRINT_FIELD_U("{", pdr, pdr_block_size);
+ PRINT_FIELD_U(", ", pdr, pdr_block_nr);
+ PRINT_FIELD_U(", ", pdr, pdr_frame_size);
+ PRINT_FIELD_U(", ", pdr, pdr_frame_nr);
+ PRINT_FIELD_U(", ", pdr, pdr_retire_tmo);
+ PRINT_FIELD_U(", ", pdr, pdr_sizeof_priv);
+ PRINT_FIELD_U(", ", pdr, pdr_features);
+ printf("}"));
+
+ TEST_NLATTR_ARRAY(fd, nlh0, hdrlen,
+ init_packet_diag_msg, print_packet_diag_msg,
+ PACKET_DIAG_FILTER, pattern, filter,
+ print_sock_filter);
+
+ printf("+++ exited with 0 +++\n");
+ return 0;
+}
projects / strace / commitdiff