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Implemented ACLs for only allowing communication with Streepass IPs.

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This commit is contained in:
Michael Smith 2018-03-10 15:48:17 +01:00
parent 8fab309a77
commit b17aefd148
4 changed files with 86 additions and 0 deletions
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18
firewall.txt
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@ -12,3 +12,21 @@ acl from_sta UDP any any any 53 allow
# Deny everything else
acl from_sta IP any any deny
# Streetpass relay whitelist
# From https://github.com/Pinchie/RaspiPass/blob/master/raspi_secure/iptables.sh
52.43.174.40
104.70.153.178
104.74.48.110
23.7.18.146
23.7.24.35
52.11.210.152
52.25.179.65
52.89.56.205
54.148.137.96
54.218.98.74
54.218.99.79
54.244.22.201
69.25.139.140
192.195.204.216
52.10.249.207

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firmware/0x00000.bin
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firmware/0x10000.bin
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68
user/config_flash.c
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@ -72,6 +72,74 @@ config_load_default(sysconfig_p config)
ets_str2macaddr(config->mac_list[13], "4E:53:50:4F:4F:4D");
ets_str2macaddr(config->mac_list[14], "4E:53:50:4F:4F:4E");
ets_str2macaddr(config->mac_list[15], "4E:53:50:4F:4F:4F");
// Streetpass relay whitelist
uint32_t daddr;
uint32_t dmask;
// Clear all acl rules
acl_clear(0);
acl_clear(1);
acl_clear(2);
acl_clear(3);
// Whitelist broadcast to enable DHCP
parse_IP_addr("255.255.255.255", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
// Whitelist DNS
acl_add(0, 0, 0, 0, 0, IP_PROTO_UDP, 0, 53, ACL_ALLOW);
// Whitelist Streetpass relays
// acl from_sta IP any 52.43.174.40 allow
parse_IP_addr("52.43.174.40", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("104.70.153.178", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("104.74.48.110", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("23.7.18.146", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("23.7.24.35", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("52.11.210.152", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("52.25.179.65", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("52.89.56.205", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("54.148.137.96", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("54.218.98.74", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("54.218.99.79", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("54.244.22.201", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("69.25.139.140", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("192.195.204.216", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
parse_IP_addr("52.10.249.207", &daddr, &dmask);
acl_add(0, 0, 0, daddr, dmask, 0, 0, 0, ACL_ALLOW);
// Default implementation denies everything not matched above.
// This last rule is not necessary and commented out to save memory space:
// acl_add(0, 0, 0, 0, 0, 0, 0, 0, ACL_DENY);
}
int