ike-vendor: Add option to send Cisco FLexVPN vendor ID
A new global option enables sending this vendor ID to prevent Cisco devices from narrowing the initiator's local traffic selector to the requested virtual IP, so e.g. 0.0.0.0/0 can be used instead. This has been tested with a "tunnel mode ipsec ipv4" Cisco template but should also work for GRE encapsulation. Closes strongswan/strongswan#180.
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@ -51,6 +51,18 @@ charon.check_current_path = no
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connectivity. It will also trigger a MOBIKE update if NAT mappings were
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removed during the downtime.
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charon.cisco_flexvpn = no
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Send the Cisco FlexVPN vendor ID payload (IKEv2 only).
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Send the Cisco FlexVPN vendor ID payload, which is required in order to make
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Cisco brand devices allow negotiating a local traffic selector (from
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strongSwan's point of view) that is not the assigned virtual IP address if
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such an address is requested by strongSwan. Sending the Cisco FlexVPN
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vendor ID prevents the peer from narrowing the initiator's local traffic
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selector and allows it to e.g. negotiate a TS of 0.0.0.0/0 == 0.0.0.0/0
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instead. This has been tested with a "tunnel mode ipsec ipv4" Cisco
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template but should also work for GRE encapsulation.
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charon.cisco_unity = no
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Send Cisco Unity vendor ID payload (IKEv1 only).
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@ -97,7 +97,7 @@ static vid_data_t vids[] = {
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"\x88\x2f\xe5\x6d\x6f\xd2\x0d\xbc\x22\x51\x61\x3b\x2e\xbe\x5b\xeb"},
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{ "Cisco Delete Reason", 0, NULL, 0,
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"CISCO-DELETE-REASON" },
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{ "Cisco FlexVPN Supported", 0, NULL, 0,
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{ "Cisco FlexVPN Supported", 0, "cisco_flexvpn", 0,
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"FLEXVPN-SUPPORTED" },
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{ "Cisco Copyright (c) 2009", 0, NULL, 0,
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"CISCO(COPYRIGHT)&Copyright (c) 2009 Cisco Systems, Inc." },
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