Printing

NAME

nflog_snprintf_xml - Printing

SYNOPSIS

#include <libnetfilter_log/libnetfilter_log.h>

int nflog_snprintf_xml (char *buf, size_t rem, struct nflog_data *tb, int flags)

Function Documentation

int nflog_snprintf_xml (char * buf, size_t rem, struct nflog_data * tb, intflags)

nflog_snprintf_xml - print the logged packet in XML format into a buffer

Parameters

buf The buffer that you want to use to print the logged packet
rem The size of the buffer that you have passed
tb Netlink packet data handle passed to callback function
flags The flag that tell what to print into the buffer

This function supports the following flags:

- NFLOG_XML_PREFIX: include the string prefix
- NFLOG_XML_HW: include the hardware link layer address
- NFLOG_XML_MARK: include the packet mark
- NFLOG_XML_DEV: include the device information
- NFLOG_XML_PHYSDEV: include the physical device information
- NFLOG_XML_PAYLOAD: include the payload (in hexadecimal)
- NFLOG_XML_TIME: include the timestamp
- NFLOG_XML_CTID: include conntrack id
- NFLOG_XML_ALL: include all the logging information (all flags set)

You can combine these flags with a bitwise OR.

Returns

-1 in case of failure, otherwise the length of the string that would have been printed into the buffer (in case that there is enough room in it). See snprintf() return value for more information.

Errors

from underlying calls, in exceptional circumstances

Author

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