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vpnc: Fix AVM FritzBox VPN

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Nick Hahn 2019-12-02 23:45:28 +01:00 committed by Helmut Pozimski
parent 628c5df121
commit 2c08a7db88
3 changed files with 82 additions and 1 deletions
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81
srcpkgs/vpnc/patches/00-fix-fritzbox.diff Normal file
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@ -0,0 +1,81 @@
Description: Fixes AVM's FritzBoxes not being able to connect
Upstream: Yes
Index: vpnc.c
===================================================================
--- vpnc.c (revision 466)
+++ vpnc.c (revision 469)
@@ -88,6 +88,10 @@
0x90, 0xCB, 0x80, 0x91, 0x3E, 0xBB, 0x69, 0x6E,
0x08, 0x63, 0x81, 0xB5, 0xEC, 0x42, 0x7B, 0x1F
};
+const unsigned char VID_NATT_03[] = { /* "draft-ietf-ipsec-nat-t-ike-03" */
+ 0x7d, 0x94, 0x19, 0xa6, 0x53, 0x10, 0xca, 0x6f,
+ 0x2c, 0x17, 0x9d, 0x92, 0x15, 0x52, 0x9d, 0x56
+};
const unsigned char VID_NATT_RFC[] = { /* "RFC 3947" */
0x4A, 0x13, 0x1C, 0x81, 0x07, 0x03, 0x58, 0x45,
0x5C, 0x57, 0x28, 0xF2, 0x0E, 0x95, 0x45, 0x2F
@@ -141,6 +145,7 @@
{ VID_NATT_01, sizeof(VID_NATT_01), "Nat-T 01" },
{ VID_NATT_02, sizeof(VID_NATT_02), "Nat-T 02" },
{ VID_NATT_02N, sizeof(VID_NATT_02N), "Nat-T 02N" },
+ { VID_NATT_03, sizeof(VID_NATT_03), "Nat-T 03" },
{ VID_NATT_RFC, sizeof(VID_NATT_RFC), "Nat-T RFC" },
{ VID_DWR, sizeof(VID_DWR), "Delete With Reason" },
{ VID_CISCO_FRAG, sizeof(VID_CISCO_FRAG), "Cisco Fragmentation" },
@@ -1156,8 +1161,11 @@
value = a->next->u.attr_16;
else if (a->next->af == isakmp_attr_lots && a->next->u.lots.length == 4)
value = ntohl(*((uint32_t *) a->next->u.lots.data));
- else
- assert(0);
+ else {
+ DEBUG(2, printf("got unknown ike lifetime attributes af %d len %d\n",
+ a->next->af, a->next->u.lots.length));
+ return;
+ }
DEBUG(2, printf("got ike lifetime attributes: %d %s\n", value,
(a->u.attr_16 == IKE_LIFE_TYPE_SECONDS) ? "seconds" : "kilobyte"));
@@ -1267,6 +1275,8 @@
l = l->next = new_isakmp_data_payload(ISAKMP_PAYLOAD_VID,
VID_NATT_RFC, sizeof(VID_NATT_RFC));
l = l->next = new_isakmp_data_payload(ISAKMP_PAYLOAD_VID,
+ VID_NATT_03, sizeof(VID_NATT_03));
+ l = l->next = new_isakmp_data_payload(ISAKMP_PAYLOAD_VID,
VID_NATT_02N, sizeof(VID_NATT_02N));
l = l->next = new_isakmp_data_payload(ISAKMP_PAYLOAD_VID,
VID_NATT_02, sizeof(VID_NATT_02));
@@ -1501,6 +1511,12 @@
seen_natt_vid = 1;
if (natt_draft < 1) natt_draft = 2;
DEBUG(2, printf("peer is NAT-T capable (RFC 3947)\n"));
+ } else if (rp->u.vid.length == sizeof(VID_NATT_03)
+ && memcmp(rp->u.vid.data, VID_NATT_03,
+ sizeof(VID_NATT_03)) == 0) {
+ seen_natt_vid = 1;
+ if (natt_draft < 1) natt_draft = 2;
+ DEBUG(2, printf("peer is NAT-T capable (draft-03)\n"));
} else if (rp->u.vid.length == sizeof(VID_NATT_02N)
&& memcmp(rp->u.vid.data, VID_NATT_02N,
sizeof(VID_NATT_02N)) == 0) {
@@ -1582,6 +1598,19 @@
seen_natd_them = 1;
}
break;
+ case ISAKMP_PAYLOAD_N:
+ if (rp->u.n.type == ISAKMP_N_IPSEC_RESPONDER_LIFETIME) {
+ if (rp->u.n.protocol == ISAKMP_IPSEC_PROTO_ISAKMP)
+ lifetime_ike_process(s, rp->u.n.attributes);
+ else if (rp->u.n.protocol == ISAKMP_IPSEC_PROTO_IPSEC_ESP)
+ lifetime_ipsec_process(s, rp->u.n.attributes);
+ else
+ DEBUG(2, printf("got unknown lifetime notice, ignoring..\n"));
+ } else {
+ DEBUG(1, printf("rejecting ISAKMP_PAYLOAD_N, type is not lifetime\n"));
+ reject = ISAKMP_N_INVALID_PAYLOAD_TYPE;
+ }
+ break;
default:
DEBUG(1, printf("rejecting invalid payload type %d\n", rp->type));
reject = ISAKMP_N_INVALID_PAYLOAD_TYPE;

0
srcpkgs/vpnc/patches/0001-fix-musl.patch → srcpkgs/vpnc/patches/2-fix-musl.patch
View file

2
srcpkgs/vpnc/template
View file

@ -1,7 +1,7 @@
# Template file for 'vpnc'
pkgname=vpnc
version=0.5.3
revision=6
revision=7
hostmakedepends="perl"
makedepends="libgcrypt-devel"
depends="net-tools"