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More tftp improvements

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This commit is contained in:
Joseph C. Lehner 2017-01-07 08:33:47 +01:00
parent 0a2eb2a8c9
commit a4fb23fdba
1 changed files with 9 additions and 3 deletions
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12
tftp.c
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@ -240,6 +240,7 @@ static ssize_t tftp_sendto(int sock, char *pkt, size_t len,
switch (pkt_num(pkt)) {
case RRQ:
case WRQ:
case OACK:
len = pkt_xrqlen(pkt);
break;
case DATA:
@ -310,7 +311,7 @@ int tftp_put(struct nmrpd_args *args)
int fd, sock, ret, timeout, errors, ackblock;
char rx[2048], tx[2048];
const char *file_remote = args->file_remote;
char *p;
char *val, *end;
sock = -1;
ret = -1;
@ -384,8 +385,13 @@ int tftp_put(struct nmrpd_args *args)
ackblock = pkt_num(rx + 2);
} else if (op == OACK) {
ackblock = 0;
if ((p = pkt_optval(rx, "blksize"))) {
blksize = atoi(p);
if ((val = pkt_optval(rx, "blksize"))) {
blksize = strtol(val, &end, 10);
if (!blksize || (*end != '\0')) {
fprintf(stderr, "Error: invalid blksize in OACK: %s\n", val);
ret = -1;
goto cleanup;
}
}
}
}