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Fix new nmrp code

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This commit is contained in:
Joseph C. Lehner 2017-02-19 11:00:39 +01:00
parent 0227c935ca
commit a59358a6c1
1 changed files with 10 additions and 6 deletions
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16
nmrp.c
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@ -178,7 +178,7 @@ static inline void msg_init(struct nmrp_msg *msg, uint16_t code)
static char *msg_mkopt(struct nmrp_msg *msg, char *p, uint16_t type, const void *val, size_t len)
{
struct nmrp_opt* opt = (struct nmrp_opt*)(p ? p : msg->opts);
struct nmrp_opt* opt = (struct nmrp_opt*)p;
len &= 0xffff;
@ -191,7 +191,10 @@ static char *msg_mkopt(struct nmrp_msg *msg, char *p, uint16_t type, const void
opt->type = htons(type);
opt->len = NMRP_OPT_HDR_LEN + len;
memcpy(opt->val, val, len);
if (val) {
memcpy(opt->val, val, len);
}
msg->len += opt->len;
p += opt->len;
@ -220,7 +223,8 @@ static void msg_mkconfack(struct nmrp_msg *msg, uint32_t ipaddr, uint32_t ipmask
};
msg_init(msg, NMRP_C_CONF_ACK);
p = msg_mkopt(msg, NULL, NMRP_O_DEV_IP, &ip, 8);
p = msg_mkopt(msg, msg->opts, NMRP_O_DEV_IP, &ip, 8);
p = msg_mkopt(msg, p, NMRP_O_FW_UP, NULL, 0);
#ifdef NMRPFLASH_SET_REGION
if (region) {
@ -272,8 +276,8 @@ static int pkt_recv(struct ethsock *sock, struct nmrp_pkt *pkt)
len = ntohs(pkt->msg.len) + sizeof(pkt->eh);
if (bytes < len) {
fprintf(stderr, "Short packet (expected %d, got %d).\n",
if (bytes != len) {
fprintf(stderr, "Unexpected packet length (expected %d, got %d).\n",
(int)len, (int)bytes);
return 1;
}
@ -511,7 +515,7 @@ int nmrp_do(struct nmrpd_args *args)
while (!g_interrupted) {
if (expect != NMRP_C_NONE && rx.msg.code != expect) {
fprintf(stderr, "Received %s while waiting for %s!\n",
msg_code_str(ntohs(rx.msg.code)), msg_code_str(expect));
msg_code_str(rx.msg.code), msg_code_str(expect));
}
msg_init(&tx.msg, NMRP_C_NONE);