Revision 512176db slirp/bootp.c
| b/slirp/bootp.c | ||
|---|---|---|
| 33 | 33 |
|
| 34 | 34 |
typedef struct {
|
| 35 | 35 |
uint8_t allocated; |
| 36 |
uint8_t macaddr[6]; |
|
| 36 | 37 |
} BOOTPClient; |
| 37 | 38 |
|
| 38 | 39 |
BOOTPClient bootp_clients[NB_ADDR]; |
| ... | ... | |
| 63 | 64 |
return bc; |
| 64 | 65 |
} |
| 65 | 66 |
|
| 67 |
static BOOTPClient *find_addr(struct in_addr *paddr, const uint8_t *macaddr) |
|
| 68 |
{
|
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BOOTPClient *bc; |
|
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int i; |
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|
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for(i = 0; i < NB_ADDR; i++) {
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if (!memcmp(macaddr, bootp_clients[i].macaddr, 6)) |
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goto found; |
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} |
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return NULL; |
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found: |
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bc = &bootp_clients[i]; |
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bc->allocated = 1; |
|
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paddr->s_addr = htonl(ntohl(special_addr.s_addr) | (i + START_ADDR)); |
|
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return bc; |
|
| 82 |
} |
|
| 83 |
|
|
| 66 | 84 |
static void dhcp_decode(const uint8_t *buf, int size, |
| 67 | 85 |
int *pmsg_type) |
| 68 | 86 |
{
|
| ... | ... | |
| 131 | 149 |
m->m_data += sizeof(struct udpiphdr); |
| 132 | 150 |
memset(rbp, 0, sizeof(struct bootp_t)); |
| 133 | 151 |
|
| 134 |
bc = get_new_addr(&daddr.sin_addr); |
|
| 135 |
if (!bc) {
|
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dprintf("no address left\n");
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| 137 |
return; |
|
| 152 |
if (dhcp_msg_type == DHCPDISCOVER) {
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| 153 |
bc = get_new_addr(&daddr.sin_addr); |
|
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if (!bc) {
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| 155 |
dprintf("no address left\n");
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return; |
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} |
|
| 158 |
memcpy(bc->macaddr, client_ethaddr, 6); |
|
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} else {
|
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bc = find_addr(&daddr.sin_addr, bp->bp_hwaddr); |
|
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if (!bc) {
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dprintf("no address assigned\n");
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return; |
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} |
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| 138 | 165 |
} |
| 139 | 166 |
dprintf("offered addr=%08x\n", ntohl(daddr.sin_addr.s_addr));
|
| 140 | 167 |
|
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