fixed dhcp for windows client
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@784 c046a42c-6fe2-441c-8c8c-71466251a162
diff --git a/slirp/bootp.c b/slirp/bootp.c
index 7e4b5ba..755072d 100644
--- a/slirp/bootp.c
+++ b/slirp/bootp.c
@@ -33,6 +33,7 @@
typedef struct {
uint8_t allocated;
+ uint8_t macaddr[6];
} BOOTPClient;
BOOTPClient bootp_clients[NB_ADDR];
@@ -63,6 +64,23 @@
return bc;
}
+static BOOTPClient *find_addr(struct in_addr *paddr, const uint8_t *macaddr)
+{
+ BOOTPClient *bc;
+ int i;
+
+ for(i = 0; i < NB_ADDR; i++) {
+ if (!memcmp(macaddr, bootp_clients[i].macaddr, 6))
+ goto found;
+ }
+ return NULL;
+ found:
+ bc = &bootp_clients[i];
+ bc->allocated = 1;
+ paddr->s_addr = htonl(ntohl(special_addr.s_addr) | (i + START_ADDR));
+ return bc;
+}
+
static void dhcp_decode(const uint8_t *buf, int size,
int *pmsg_type)
{
@@ -131,10 +149,19 @@
m->m_data += sizeof(struct udpiphdr);
memset(rbp, 0, sizeof(struct bootp_t));
- bc = get_new_addr(&daddr.sin_addr);
- if (!bc) {
- dprintf("no address left\n");
- return;
+ if (dhcp_msg_type == DHCPDISCOVER) {
+ bc = get_new_addr(&daddr.sin_addr);
+ if (!bc) {
+ dprintf("no address left\n");
+ return;
+ }
+ memcpy(bc->macaddr, client_ethaddr, 6);
+ } else {
+ bc = find_addr(&daddr.sin_addr, bp->bp_hwaddr);
+ if (!bc) {
+ dprintf("no address assigned\n");
+ return;
+ }
}
dprintf("offered addr=%08x\n", ntohl(daddr.sin_addr.s_addr));
diff --git a/slirp/slirp.c b/slirp/slirp.c
index 48b45a3..f9c4f15 100644
--- a/slirp/slirp.c
+++ b/slirp/slirp.c
@@ -74,7 +74,7 @@
void slirp_init(void)
{
- debug_init("/tmp/slirp.log", DEBUG_DEFAULT);
+ // debug_init("/tmp/slirp.log", DEBUG_DEFAULT);
link_up = 1;