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aports/community/connman/pppd-2.5.patch
psykose 252ff4a5e0 community/connman: fix pppd 2.5 compat
2023-04-11 11:35:36 +02:00

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Patch-Source: https://git.kernel.org/pub/scm/network/connman/connman.git/commit/?id=a48864a2e5d2a725dfc6eef567108bc13b43857f
--
From a48864a2e5d2a725dfc6eef567108bc13b43857f Mon Sep 17 00:00:00 2001
From: Eivind Næss <eivnaes@yahoo.com>
Date: Sat, 25 Mar 2023 20:51:52 +0000
Subject: vpn: Adding support for latest pppd 2.5.0 release
The API has gone through a significant overhaul, and this change fixes any compile issues.
1) Fixes to configure.ac itself
2) Cleanup in pppd plugin itself
Adding a libppp-compat.h file to mask for any differences in the version.
---
configure.ac | 42 ++++++++++------
scripts/libppp-compat.h | 127 ++++++++++++++++++++++++++++++++++++++++++++++++
scripts/libppp-plugin.c | 15 +++---
3 files changed, 161 insertions(+), 23 deletions(-)
create mode 100644 scripts/libppp-compat.h
diff --git a/configure.ac b/configure.ac
index ea7a2fac..e82ba469 100644
--- a/configure.ac
+++ b/configure.ac
@@ -135,14 +135,6 @@ AC_ARG_ENABLE(l2tp,
AC_HELP_STRING([--enable-l2tp], [enable l2tp support]),
[enable_l2tp=${enableval}], [enable_l2tp="no"])
if (test "${enable_l2tp}" != "no"); then
- if (test -z "${path_pppd}"); then
- AC_PATH_PROG(PPPD, [pppd], [/usr/sbin/pppd], $PATH:/sbin:/usr/sbin)
- else
- PPPD="${path_pppd}"
- AC_SUBST(PPPD)
- fi
- AC_CHECK_HEADERS(pppd/pppd.h, dummy=yes,
- AC_MSG_ERROR(ppp header files are required))
if (test -z "${path_l2tp}"); then
AC_PATH_PROG(L2TP, [xl2tpd], [/usr/sbin/xl2tpd], $PATH:/sbin:/usr/sbin)
else
@@ -160,6 +152,18 @@ AC_ARG_ENABLE(pptp,
AC_HELP_STRING([--enable-pptp], [enable pptp support]),
[enable_pptp=${enableval}], [enable_pptp="no"])
if (test "${enable_pptp}" != "no"); then
+ if (test -z "${path_pptp}"); then
+ AC_PATH_PROG(PPTP, [pptp], [/usr/sbin/pptp], $PATH:/sbin:/usr/sbin)
+ else
+ PPTP="${path_pptp}"
+ AC_SUBST(PPTP)
+ fi
+fi
+AM_CONDITIONAL(PPTP, test "${enable_pptp}" != "no")
+AM_CONDITIONAL(PPTP_BUILTIN, test "${enable_pptp}" = "builtin")
+
+if (test "${enable_pptp}" != "no" || test "${enable_l2tp}" != "no"); then
+
if (test -z "${path_pppd}"); then
AC_PATH_PROG(PPPD, [pppd], [/usr/sbin/pppd], $PATH:/sbin:/usr/sbin)
else
@@ -168,15 +172,23 @@ if (test "${enable_pptp}" != "no"); then
fi
AC_CHECK_HEADERS(pppd/pppd.h, dummy=yes,
AC_MSG_ERROR(ppp header files are required))
- if (test -z "${path_pptp}"); then
- AC_PATH_PROG(PPTP, [pptp], [/usr/sbin/pptp], $PATH:/sbin:/usr/sbin)
- else
- PPTP="${path_pptp}"
- AC_SUBST(PPTP)
+ AC_CHECK_HEADERS([pppd/chap.h pppd/chap-new.h pppd/chap_ms.h])
+
+ PKG_CHECK_EXISTS([pppd],
+ [AS_VAR_SET([pppd_pkgconfig_support],[yes])])
+
+ PPPD_VERSION=2.4.9
+ if test x"$pppd_pkgconfig_support" = xyes; then
+ PPPD_VERSION=`$PKG_CONFIG --modversion pppd`
fi
+
+ AC_DEFINE_UNQUOTED([PPP_VERSION(x,y,z)],
+ [((x & 0xFF) << 16 | (y & 0xFF) << 8 | (z & 0xFF) << 0)],
+ [Macro to help determine the particular version of pppd])
+ PPP_VERSION=$(echo $PPPD_VERSION | sed -e "s/\./\,/g")
+ AC_DEFINE_UNQUOTED(WITH_PPP_VERSION, PPP_VERSION($PPP_VERSION),
+ [The real version of pppd represented as an int])
fi
-AM_CONDITIONAL(PPTP, test "${enable_pptp}" != "no")
-AM_CONDITIONAL(PPTP_BUILTIN, test "${enable_pptp}" = "builtin")
AC_CHECK_HEADERS(resolv.h, dummy=yes,
AC_MSG_ERROR(resolver header files are required))
diff --git a/scripts/libppp-compat.h b/scripts/libppp-compat.h
new file mode 100644
index 00000000..eee1d09d
--- /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 <pppd/pppd.h>
+
+#ifndef PPPD_VERSION
+#define PPPD_VERSION VERSION
+#endif
+
+#include <pppd/fsm.h>
+#include <pppd/ccp.h>
+#include <pppd/eui64.h>
+#include <pppd/ipcp.h>
+#include <pppd/ipv6cp.h>
+#include <pppd/eap.h>
+#include <pppd/upap.h>
+
+#ifdef HAVE_PPPD_CHAP_H
+#include <pppd/chap.h>
+#endif
+
+#ifdef HAVE_PPPD_CHAP_NEW_H
+#include <pppd/chap-new.h>
+#endif
+
+#ifdef HAVE_PPPD_CHAP_MS_H
+#include <pppd/chap_ms.h>
+#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__ */
diff --git a/scripts/libppp-plugin.c b/scripts/libppp-plugin.c
index 0dd8b471..61641b5b 100644
--- a/scripts/libppp-plugin.c
+++ b/scripts/libppp-plugin.c
@@ -29,14 +29,13 @@
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
-#include <pppd/pppd.h>
-#include <pppd/fsm.h>
-#include <pppd/ipcp.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <dbus/dbus.h>
+#include "libppp-compat.h"
+
#define INET_ADDRES_LEN (INET_ADDRSTRLEN + 5)
#define INET_DNS_LEN (2*INET_ADDRSTRLEN + 9)
@@ -47,7 +46,7 @@ static char *path;
static DBusConnection *connection;
static int prev_phase;
-char pppd_version[] = VERSION;
+char pppd_version[] = PPPD_VERSION;
int plugin_init(void);
@@ -170,7 +169,7 @@ static void ppp_up(void *data, int arg)
DBUS_TYPE_STRING_AS_STRING DBUS_TYPE_STRING_AS_STRING
DBUS_DICT_ENTRY_END_CHAR_AS_STRING, &dict);
- append(&dict, "INTERNAL_IFNAME", ifname);
+ append(&dict, "INTERNAL_IFNAME", ppp_ifname());
inet_ntop(AF_INET, &ipcp_gotoptions[0].ouraddr, buf, INET_ADDRSTRLEN);
append(&dict, "INTERNAL_IP4_ADDRESS", buf);
@@ -309,9 +308,9 @@ int plugin_init(void)
chap_check_hook = ppp_have_secret;
pap_check_hook = ppp_have_secret;
- add_notifier(&ip_up_notifier, ppp_up, NULL);
- add_notifier(&phasechange, ppp_phase_change, NULL);
- add_notifier(&exitnotify, ppp_exit, connection);
+ ppp_add_notify(NF_IP_UP, ppp_up, NULL);
+ ppp_add_notify(NF_PHASE_CHANGE, ppp_phase_change, NULL);
+ ppp_add_notify(NF_EXIT, ppp_exit, connection);
return 0;
}
--
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