new file mode 100644 index 000000000..eee1d09d6 --- /dev/null +++ b/scripts/libppp-compat.h @@ -0,0 +1,127 @@ +/* Copyright (C) Eivind Naess, eivnaes@yahoo.com */ +/* SPDX-License-Identifier: GPL-2.0-or-later */ + +#ifndef __LIBPPP_COMPAT_H__ +#define __LIBPPP_COMPAT_H__ + +/* Define USE_EAPTLS compile with EAP TLS support against older pppd headers, + * pppd >= 2.5.0 use PPP_WITH_EAPTLS and is defined in pppdconf.h */ +#define USE_EAPTLS 1 + +/* Define INET6 to compile with IPv6 support against older pppd headers, + * pppd >= 2.5.0 use PPP_WITH_IPV6CP and is defined in pppdconf.h */ +#define INET6 1 + +/* PPP < 2.5.0 defines and exports VERSION which overlaps with current package VERSION define. + * this silly macro magic is to work around that. */ +#undef VERSION +#include + +#ifndef PPPD_VERSION +#define PPPD_VERSION VERSION +#endif + +#include +#include +#include +#include +#include +#include +#include + +#ifdef HAVE_PPPD_CHAP_H +#include +#endif + +#ifdef HAVE_PPPD_CHAP_NEW_H +#include +#endif + +#ifdef HAVE_PPPD_CHAP_MS_H +#include +#endif + +#ifndef PPP_PROTO_CHAP +#define PPP_PROTO_CHAP 0xc223 +#endif + +#ifndef PPP_PROTO_EAP +#define PPP_PROTO_EAP 0xc227 +#endif + + +#if WITH_PPP_VERSION < PPP_VERSION(2,5,0) + +static inline bool +debug_on (void) +{ + return debug; +} + +static inline const char +*ppp_ipparam (void) +{ + return ipparam; +} + +static inline int +ppp_ifunit (void) +{ + return ifunit; +} + +static inline const char * +ppp_ifname (void) +{ + return ifname; +} + +static inline int +ppp_get_mtu (int idx) +{ + return netif_get_mtu(idx); +} + +typedef enum ppp_notify +{ + NF_PID_CHANGE, + NF_PHASE_CHANGE, + NF_EXIT, + NF_SIGNALED, + NF_IP_UP, + NF_IP_DOWN, + NF_IPV6_UP, + NF_IPV6_DOWN, + NF_AUTH_UP, + NF_LINK_DOWN, + NF_FORK, + NF_MAX_NOTIFY +} ppp_notify_t; + +typedef void (ppp_notify_fn) (void *ctx, int arg); + +static inline void +ppp_add_notify (ppp_notify_t type, ppp_notify_fn *func, void *ctx) +{ + struct notifier **list[NF_MAX_NOTIFY] = { + [NF_PID_CHANGE ] = &pidchange, + [NF_PHASE_CHANGE] = &phasechange, + [NF_EXIT ] = &exitnotify, + [NF_SIGNALED ] = &sigreceived, + [NF_IP_UP ] = &ip_up_notifier, + [NF_IP_DOWN ] = &ip_down_notifier, + [NF_IPV6_UP ] = &ipv6_up_notifier, + [NF_IPV6_DOWN ] = &ipv6_down_notifier, + [NF_AUTH_UP ] = &auth_up_notifier, + [NF_LINK_DOWN ] = &link_down_notifier, + [NF_FORK ] = &fork_notifier, + }; + + struct notifier **notify = list[type]; + if (notify) { + add_notifier(notify, func, ctx); + } +} + +#endif /* #if WITH_PPP_VERSION < PPP_VERSION(2,5,0) */ +#endif /* #if__LIBPPP_COMPAT_H__ */