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fixed bug #38714 (Missing option and client address in DHCPRELEASE message)

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This commit is contained in:
sg 2015-03-20 21:02:41 +01:00
parent d6620f0f3a
commit 3e302e8683
2 changed files with 11 additions and 3 deletions
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5
CHANGELOG
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@ -216,7 +216,10 @@ HISTORY
++ Bugfixes:
2015-03-19: Simon Goldschmidt
2015-03-20: Simon Goldschmidt
* dhcp.c: fixed bug #38714 (Missing option and client address in DHCPRELEASE message)
2015-03-20: Simon Goldschmidt
* dhcp.c: fixed bug #38203 (DHCP options are not recorded in all DHCP ack messages)
2015-03-19: Simon Goldschmidt

9
src/core/dhcp.c
View File

@ -1196,10 +1196,12 @@ dhcp_release(struct netif *netif)
struct dhcp *dhcp = netif->dhcp;
err_t result;
u16_t msecs;
ip_addr_t server_ip_addr;
LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE, ("dhcp_release()\n"));
if (dhcp == NULL) {
return ERR_ARG;
}
ip_addr_copy(server_ip_addr, dhcp->server_ip_addr);
/* idle DHCP client */
dhcp_set_state(dhcp, DHCP_OFF);
@ -1216,11 +1218,14 @@ dhcp_release(struct netif *netif)
/* create and initialize the DHCP message header */
result = dhcp_create_msg(netif, dhcp, DHCP_RELEASE);
if (result == ERR_OK) {
dhcp_option(dhcp, DHCP_OPTION_SERVER_ID, 4);
dhcp_option_long(dhcp, ntohl(ip4_addr_get_u32(&server_ip_addr)));
dhcp_option_trailer(dhcp);
pbuf_realloc(dhcp->p_out, sizeof(struct dhcp_msg) - DHCP_OPTIONS_LEN + dhcp->options_out_len);
udp_sendto_if(dhcp->pcb, dhcp->p_out, &dhcp->server_ip_addr, DHCP_SERVER_PORT, netif);
udp_sendto_if(dhcp->pcb, dhcp->p_out, &server_ip_addr, DHCP_SERVER_PORT, netif);
dhcp_delete_msg(dhcp);
LWIP_DEBUGF(DHCP_DEBUG | LWIP_DBG_TRACE | LWIP_DBG_STATE, ("dhcp_release: RELEASED, DHCP_OFF\n"));
} else {
@ -1733,7 +1738,7 @@ dhcp_create_msg(struct netif *netif, struct dhcp *dhcp, u8_t message_type)
dhcp->msg_out->flags = 0;
ip_addr_set_zero(&dhcp->msg_out->ciaddr);
/* set ciaddr to netif->ip_addr based on message_type and state */
if ((message_type == DHCP_INFORM) || (message_type == DHCP_DECLINE) ||
if ((message_type == DHCP_INFORM) || (message_type == DHCP_DECLINE) || (message_type == DHCP_RELEASE) ||
((message_type == DHCP_REQUEST) && /* DHCP_BOUND not used for sending! */
((dhcp->state==DHCP_RENEWING) || dhcp->state==DHCP_REBINDING))) {
ip_addr_copy(dhcp->msg_out->ciaddr, netif->ip_addr);