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Some hacks to make Android VPN Client Pro working

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This commit is contained in:
Evengard 2020-05-02 17:50:07 +03:00
parent 723f38e72f
commit 39becfe4ab
2 changed files with 35 additions and 4 deletions
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36
src/Cedar/Proto_PPP.c
View File

@ -3063,6 +3063,22 @@ bool PPPProcessEAPTlsResponse(PPP_SESSION* p, PPP_EAP* eap_packet, UINT eapTlsSi
ETHERIP_ID d; ETHERIP_ID d;
UINT error_code; UINT error_code;
/*if (!p->Eap_TlsCtx.SslPipe->IsDisconnected)
{
dataSize = FifoSize(p->Eap_TlsCtx.SslPipe->RawOut->RecvFifo);
lcp = BuildEAPTlsRequest(p->Eap_PacketId++, dataSize, 0);
eap = lcp->Data;
ReadFifo(p->Eap_TlsCtx.SslPipe->RawOut->RecvFifo, &(eap->Tls.TlsDataWithoutLength), dataSize);
if (!PPPSendAndRetransmitRequest(p, PPP_PROTOCOL_EAP, lcp))
{
PPPSetStatus(p, PPP_STATUS_FAIL);
WHERE;
return false;
}
Debug("Sent EAP-TLS size=%i type=%i flag=%i\n", lcp->DataSize, eap->Type, eap->Tls.Flags);
return true;
}*/
PPPParseUsername(p->Cedar, p->Eap_Identity, &d); PPPParseUsername(p->Cedar, p->Eap_Identity, &d);
ipc = NewIPC(p->Cedar, p->ClientSoftwareName, p->Postfix, d.HubName, d.UserName, "", ipc = NewIPC(p->Cedar, p->ClientSoftwareName, p->Postfix, d.HubName, d.UserName, "",
@ -3073,6 +3089,7 @@ bool PPPProcessEAPTlsResponse(PPP_SESSION* p, PPP_EAP* eap_packet, UINT eapTlsSi
if (ipc != NULL) if (ipc != NULL)
{ {
PPP_PACKET* pack; PPP_PACKET* pack;
UINT identificator = p->Eap_PacketId - 1; // THIS IS A HACK TO SUPPORT VPN Client Pro on Android!!!
p->Ipc = ipc; p->Ipc = ipc;
PPPSetStatus(p, PPP_STATUS_AUTH_SUCCESS); PPPSetStatus(p, PPP_STATUS_AUTH_SUCCESS);
@ -3081,7 +3098,7 @@ bool PPPProcessEAPTlsResponse(PPP_SESSION* p, PPP_EAP* eap_packet, UINT eapTlsSi
pack = ZeroMalloc(sizeof(PPP_PACKET)); pack = ZeroMalloc(sizeof(PPP_PACKET));
pack->IsControl = true; pack->IsControl = true;
pack->Protocol = PPP_PROTOCOL_EAP; pack->Protocol = PPP_PROTOCOL_EAP;
lcp = NewPPPLCP(PPP_EAP_CODE_SUCCESS, p->Eap_PacketId++); lcp = NewPPPLCP(PPP_EAP_CODE_SUCCESS, identificator);
pack->Lcp = lcp; pack->Lcp = lcp;
Debug("Sent EAP-TLS size=%i SUCCESS\n", lcp->DataSize); Debug("Sent EAP-TLS size=%i SUCCESS\n", lcp->DataSize);
if (!PPPSendPacketAndFree(p, pack)) if (!PPPSendPacketAndFree(p, pack))
@ -3095,13 +3112,14 @@ bool PPPProcessEAPTlsResponse(PPP_SESSION* p, PPP_EAP* eap_packet, UINT eapTlsSi
else else
{ {
PPP_PACKET* pack; PPP_PACKET* pack;
UINT identificator = p->Eap_PacketId - 1; // THIS IS A HACK TO SUPPORT VPN Client Pro on Android!!!
PPPSetStatus(p, PPP_STATUS_AUTH_FAIL); PPPSetStatus(p, PPP_STATUS_AUTH_FAIL);
pack = ZeroMalloc(sizeof(PPP_PACKET)); pack = ZeroMalloc(sizeof(PPP_PACKET));
pack->IsControl = true; pack->IsControl = true;
pack->Protocol = PPP_PROTOCOL_EAP; pack->Protocol = PPP_PROTOCOL_EAP;
lcp = NewPPPLCP(PPP_EAP_CODE_FAILURE, p->Eap_PacketId++); lcp = NewPPPLCP(PPP_EAP_CODE_FAILURE, identificator);
pack->Lcp = lcp; pack->Lcp = lcp;
Debug("Sent EAP-TLS size=%i FAILURE\n", lcp->DataSize); Debug("Sent EAP-TLS size=%i FAILURE\n", lcp->DataSize);
if (!PPPSendPacketAndFree(p, pack)) if (!PPPSendPacketAndFree(p, pack))
@ -3115,8 +3133,18 @@ bool PPPProcessEAPTlsResponse(PPP_SESSION* p, PPP_EAP* eap_packet, UINT eapTlsSi
} }
else else
{ {
Debug("Weird ACK for no reason at all...\n"); // Some clients needs a little help it seems - namely VPN Client Pro on Android
return false; flags |= PPP_EAP_TLS_FLAG_SSLSTARTED;
lcp = BuildEAPTlsRequest(p->Eap_PacketId++, 0, flags);
PPPSetStatus(p, PPP_STATUS_AUTHENTICATING);
if (!PPPSendAndRetransmitRequest(p, PPP_PROTOCOL_EAP, lcp))
{
PPPSetStatus(p, PPP_STATUS_FAIL);
WHERE;
return false;
}
Debug("Sent EAP-TLS size=%i\n", lcp->DataSize);
return true;
} }
} }
return true; return true;

3
src/Mayaqua/Network.c
View File

@ -5731,7 +5731,10 @@ SSL_PIPE *NewSslPipeEx(bool server_mode, X *x, K *k, DH_CTX *dh, bool verify_pee
{ {
SSL_CTX_set_ssl_version(ssl_ctx, SSLv23_method()); SSL_CTX_set_ssl_version(ssl_ctx, SSLv23_method());
SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_SSLv2); SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_SSLv2);
#ifdef SSL_OP_NO_SSLv3
SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_TLSv1_3); // For some reason pppd under linux doesn't like it SSL_CTX_set_options(ssl_ctx, SSL_OP_NO_TLSv1_3); // For some reason pppd under linux doesn't like it
#endif
AddChainSslCertOnDirectory(ssl_ctx); AddChainSslCertOnDirectory(ssl_ctx);