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/*
* Copyright (c) 2018 Harsha Sharma <harshasharmaiitr@gmail.com>
* Copyright (c) 2018 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 "print_fields.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;
}
PRINT_FIELD_CSTRING("{{", uh, prefix);
tprintf(", magic=htonl(%#x)", ntohl(uh.magic));
PRINT_FIELD_U(", ", uh, header_size);
PRINT_FIELD_U(", ", uh, properties_off);
PRINT_FIELD_U(", ", uh, properties_len);
tprintf(", filter_subsystem_hash=htonl(%#x)", ntohl(uh.filter_subsystem_hash));
tprintf(", filter_devtype_hash=htonl(%#x)", ntohl(uh.filter_devtype_hash));
tprintf(", filter_tag_bloom_hi=htonl(%#x)", ntohl(uh.filter_tag_bloom_hi));
tprintf(", filter_tag_bloom_lo=htonl(%#x)", ntohl(uh.filter_tag_bloom_lo));
tprints("}");
if (len > offset) {
tprints(", ");
printstrn(tcp, addr + offset, len - offset);
}
tprints("}");
}
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