Good afternoon list,
I think I found a bug in tftp_tx() in tftp.c. If a data resend is done
after reception of an ACK/OACK, the call to sendto is:
lines 740..744 in 7.21.2:
/* Re-send the data packet */
sbytes = sendto(state->sockfd, (void *)&state->spacket,
4+state->sbytes, SEND_4TH_ARG,
(struct sockaddr *)&state->remote_addr,
state->remote_addrlen);
However, the second parameter should be (rather obviously, and in line
with all other data sendto() calls):
..., (void *)state->spacket.data, ...
I noticed this because tcpdump couldn't parse the resent message
correctly. After my change, this is fixed.
Rutger Hofman
http://www.rfidguardian.org
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