Functions

Printing

Functions

int nfq_snprintf_xml (char *buf, size_t rem, struct nfq_data *tb, int flags)

Function Documentation

int nfq_snprintf_xml ( char *  buf,
size_t  rem,
struct nfq_data tb,
int  flags 
)

nfq_snprintf_xml - print the enqueued 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:

  • NFQ_XML_HW: include the hardware link layer address
  • NFQ_XML_MARK: include the packet mark
  • NFQ_XML_DEV: include the device information
  • NFQ_XML_PHYSDEV: include the physical device information
  • NFQ_XML_PAYLOAD: include the payload (in hexadecimal)
  • NFQ_XML_TIME: include the timestamp
  • NFQ_XML_ALL: include all the logging information (all flags set)

You can combine this flags with an binary 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.

Definition at line 1080 of file libnetfilter_queue.c.