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/*
* Copyright (c) 2018 Harsha Sharma <harshasharmaiitr@gmail.com>
* Copyright (c) 2018 The strace developers.
* All rights reserved.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include "defs.h"
#include "netlink_kobject_uevent.h"
#include <arpa/inet.h>
void
decode_netlink_kobject_uevent(struct tcb *tcp, kernel_ulong_t addr,
kernel_ulong_t len)
{
struct udev_monitor_netlink_header uh;
const char *prefix = "libudev";
unsigned int offset = sizeof(uh);
if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
!addr || len < offset || umove(tcp, addr, &uh) ||
strcmp(uh.prefix, prefix) != 0) {
printstrn(tcp, addr, len);
return;
}
tprint_struct_begin();
tprint_struct_begin();
PRINT_FIELD_CSTRING(uh, prefix);
tprint_struct_next();
tprints_field_name("magic");
tprintf("htonl(%#x)", ntohl(uh.magic));
tprint_struct_next();
PRINT_FIELD_U(uh, header_size);
tprint_struct_next();
PRINT_FIELD_U(uh, properties_off);
tprint_struct_next();
PRINT_FIELD_U(uh, properties_len);
tprint_struct_next();
tprints_field_name("filter_subsystem_hash");
tprintf("htonl(%#x)", ntohl(uh.filter_subsystem_hash));
tprint_struct_next();
tprints_field_name("filter_devtype_hash");
tprintf("htonl(%#x)", ntohl(uh.filter_devtype_hash));
tprint_struct_next();
tprints_field_name("filter_tag_bloom_hi");
tprintf("htonl(%#x)", ntohl(uh.filter_tag_bloom_hi));
tprint_struct_next();
tprints_field_name("filter_tag_bloom_lo");
tprintf("htonl(%#x)", ntohl(uh.filter_tag_bloom_lo));
tprint_struct_end();
if (len > offset) {
tprints(", ");
printstrn(tcp, addr + offset, len - offset);
}
tprint_struct_end();
}
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