I think tvb_memcpy is what i'm looking for. However, what exactly is "target"? and how would i use it? maybe an example?
---- wsgd <[email protected]> wrote: ============= Into tvbuff.h, you have some possiblities to have access to the raw data (array of bytes) : a) extern const guint8* tvb_get_ptr(tvbuff_t*, gint offset, gint length); return the pointeur on an array of bytes b) extern void* tvb_memcpy(tvbuff_t*, void* target, gint offset, gint length); copy the array of bytes to target (already allocated) c) extern void* tvb_memdup(tvbuff_t*, gint offset, gint length); copy the array of bytes to an allocated memory (you must free it) Olvier [email protected] a écrit : > Don't know what a subdissector does, but ill explain more what im doing. > Taking the raw data in my custom dissector, sending it to a dll that will act > like a proxy. Sends the data to another lib which sends back a message object > to the proxy. Then that object is send to a decoder lib which will allow me > to pick out parts of the message that i want using the functions in the > decoder lib. > > the first lib takes a buffer as parameter and i was wondering how i could > pass the data from the dissector to the proxy to the lib. So if thats a > subdissector...then yes. What does tvb_new_subset(...) do? I'm new to > wireshark development. > > Thanks, > Greg > > > ---- wsgd <[email protected]> wrote: > > ============= > Like a subdissector ? > > Look at tcp_dissect_pdus (into packet-tcp.c) : > next_tvb = tvb_new_subset(tvb, offset, length, plen); > > > Olivier > > [email protected] a écrit : > >> Hello, >> >> I am trying to take the raw data of one packet in my dissector and pass it >> to a dll to be decoded. The way that i think would be best would be to >> create a tvbuff and pass it to the dll however, i'm unsure of how to create >> the new tvbuff with just the one packet of data. I read epan/tvbuff.h and >> tvbuff.c but i dont quite understand. Any help would be appreciated, or if >> you have a better idea of how to do this let me know. >> >> Thank you, >> Greg >> >> ___________________________________________________________________________ >> Sent via: Wireshark-dev mailing list <[email protected]> >> Archives: http://www.wireshark.org/lists/wireshark-dev >> Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev >> mailto:[email protected]?subject=unsubscribe >> >> >> >> > > > -- Wireshark Generic Dissector http://wsgd.free.fr ___________________________________________________________________________ Sent via: Wireshark-dev mailing list <[email protected]> Archives: http://www.wireshark.org/lists/wireshark-dev Unsubscribe: https://wireshark.org/mailman/options/wireshark-dev mailto:[email protected]?subject=unsubscribe
