/*
Send a read request to the server.
1. Format message.
2. Send the request using the connection handle.
3. Return the number of bytes sent, or negative on error.
*/
int tftp_send_rrq(struct tftp_conn *tc)
{
/* struct tftp_rrq *rrq; */
int reqlen = TFTP_RRQ_LEN(tc->fname, tc->mode);
struct tftp_rrq *rrq;
if((rrq = malloc(reqlen)) == NULL)
return -1;
rrq->opcode = htons(OPCODE_RRQ);
strcpy (&rrq->req[0], tc->fname);
strcpy (&rrq->req[strlen(tc->fname) + 1], tc->mode);
// Save the message in the msgbuffer
memcpy(tc->msgbuf, rrq, reqlen);
size_t size = sendto(tc->sock, rrq, reqlen, 0, (struct sockaddr *) &tc->peer_addr, tc->addrlen);
free(rrq);
print_message((struct tftp_msg *) tc->msgbuf, 0);
return size;
}
/*
Send a read request to the server
1. Format message
2. Send the request using the connection handle
3. Return the number of bytes sent, or negative on error
*/
int tftp_send_rrq(struct tftp_conn *tc)
{
/* ===ADDED/CHANGED=== */
struct tftp_rrq *rrq;
rrq = malloc(TFTP_RRQ_LEN(tc->fname,tc->mode));
rrq->opcode = htons(OPCODE_RRQ);
int index = sprintf(rrq->req, "%s", tc->fname);
index++;
sprintf((rrq->req + index), "%s", tc->mode);
int bytes_sent = sendto(tc->sock, rrq, TFTP_RRQ_LEN(tc->fname, tc->mode), 0,
(struct sockaddr *) &(tc->peer_addr), tc->addrlen);
free(rrq);
return bytes_sent;
/* ===END OF ADDED/CHANGED=== */
}
