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66 lines
2.6 KiB
66 lines
2.6 KiB
/*
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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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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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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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