Revision 12b513d8 slirp/ip_input.c
| b/slirp/ip_input.c | ||
|---|---|---|
| 118 | 118 |
goto bad; |
| 119 | 119 |
} |
| 120 | 120 |
|
| 121 |
if (slirp->restricted) {
|
|
| 122 |
if ((ip->ip_dst.s_addr & slirp->vnetwork_mask.s_addr) == |
|
| 123 |
slirp->vnetwork_addr.s_addr) {
|
|
| 124 |
if (ip->ip_dst.s_addr == 0xffffffff && ip->ip_p != IPPROTO_UDP) |
|
| 125 |
goto bad; |
|
| 126 |
} else {
|
|
| 127 |
uint32_t inv_mask = ~slirp->vnetwork_mask.s_addr; |
|
| 128 |
struct ex_list *ex_ptr; |
|
| 129 |
|
|
| 130 |
if ((ip->ip_dst.s_addr & inv_mask) == inv_mask) {
|
|
| 131 |
goto bad; |
|
| 132 |
} |
|
| 133 |
for (ex_ptr = slirp->exec_list; ex_ptr; ex_ptr = ex_ptr->ex_next) |
|
| 134 |
if (ex_ptr->ex_addr.s_addr == ip->ip_dst.s_addr) |
|
| 135 |
break; |
|
| 136 |
|
|
| 137 |
if (!ex_ptr) |
|
| 138 |
goto bad; |
|
| 139 |
} |
|
| 140 |
} |
|
| 141 |
|
|
| 142 | 121 |
/* Should drop packet if mbuf too long? hmmm... */ |
| 143 | 122 |
if (m->m_len > ip->ip_len) |
| 144 | 123 |
m_adj(m, ip->ip_len - m->m_len); |
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