Dmitry V. Levin
b93d52fe3d
strace is now provided under the terms of the GNU Lesser General Public License version 2.1 or later, see COPYING for more details. strace test suite is now provided under the terms of the GNU General Public License version 2 or later, see tests/COPYING for more details.
46 lines
1.3 KiB
C
46 lines
1.3 KiB
C
/*
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* Copyright (c) 2018 Harsha Sharma <harshasharmaiitr@gmail.com>
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* Copyright (c) 2018 The strace developers.
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* All rights reserved.
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*
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* SPDX-License-Identifier: LGPL-2.1-or-later
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*/
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#include "defs.h"
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#include "print_fields.h"
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#include "netlink_kobject_uevent.h"
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#include <arpa/inet.h>
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void
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decode_netlink_kobject_uevent(struct tcb *tcp, kernel_ulong_t addr,
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kernel_ulong_t len)
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{
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struct udev_monitor_netlink_header uh;
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const char *prefix = "libudev";
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unsigned int offset = sizeof(uh);
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if (!verbose(tcp) || (exiting(tcp) && syserror(tcp)) ||
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!addr || len < offset || umove(tcp, addr, &uh) ||
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strcmp(uh.prefix, prefix) != 0) {
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printstrn(tcp, addr, len);
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return;
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}
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PRINT_FIELD_CSTRING("{{", uh, prefix);
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tprintf(", magic=htonl(%#x)", ntohl(uh.magic));
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PRINT_FIELD_U(", ", uh, header_size);
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PRINT_FIELD_U(", ", uh, properties_off);
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PRINT_FIELD_U(", ", uh, properties_len);
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tprintf(", filter_subsystem_hash=htonl(%#x)", ntohl(uh.filter_subsystem_hash));
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tprintf(", filter_devtype_hash=htonl(%#x)", ntohl(uh.filter_devtype_hash));
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tprintf(", filter_tag_bloom_hi=htonl(%#x)", ntohl(uh.filter_tag_bloom_hi));
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tprintf(", filter_tag_bloom_lo=htonl(%#x)", ntohl(uh.filter_tag_bloom_lo));
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tprints("}");
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if (len > offset) {
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tprints(", ");
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printstrn(tcp, addr + offset, len - offset);
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}
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tprints("}");
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}
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