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PPP: introduce ppp_set_mppe

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Helper function to setup MPPE (Microsoft Point to Point Encryption) for
a PPP link. Allows enabling/disabled MPPE itself, enabling/disabling
stateless support, and whether we are willing to negotiate 40-bit
and/or 128-bit encryptions.
This commit is contained in:
Sylvain Rochet
2016-07-02 18:53:59 +02:00
parent f226e107a6
commit b9b36084a5
2 changed files with 30 additions and 4 deletions
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15
src/include/netif/ppp/ppp.h
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@@ -482,6 +482,21 @@ void ppp_set_auth(ppp_pcb *pcb, u8_t authtype, const char *user, const char *pas
#endif /* LWIP_DNS */
#endif /* PPP_IPV4_SUPPORT */
#if MPPE_SUPPORT
/* Disable MPPE (Microsoft Point to Point Encryption). This parameter is exclusive. */
#define PPP_MPPE_DISABLE 0x00
/* Require the use of MPPE (Microsoft Point to Point Encryption). */
#define PPP_MPPE_ENABLE 0x01
/* Allow MPPE to use stateful mode. Stateless mode is still attempted first. */
#define PPP_MPPE_ALLOW_STATEFUL 0x02
/* Refuse the use of MPPE with 40-bit encryption. Conflict with PPP_MPPE_REFUSE_128. */
#define PPP_MPPE_REFUSE_40 0x04
/* Refuse the use of MPPE with 128-bit encryption. Conflict with PPP_MPPE_REFUSE_40. */
#define PPP_MPPE_REFUSE_128 0x08
/* Set MPPE configuration */
void ppp_set_mppe(ppp_pcb *pcb, u8_t flags);
#endif /* MPPE_SUPPORT */
/*
* Wait for up to intval milliseconds for a valid PPP packet from the peer.
* At the end of this time, or when a valid PPP packet is received from the