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authorMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
committerMichael Biebl <biebl@debian.org>2020-10-05 22:27:18 +0200
commitaafc1dbe4712c86189bbc1d4d54ad8cb4c69be7e (patch)
treea2a9bb4d007339a0b1304540388230ccedac32bd /src/ppp/nm-pppd-plugin.c
parente7b44ef4c80907346ec7492a09c45277459924fc (diff)
New upstream version 1.27.90 upstream/1.27.90
Diffstat (limited to 'src/ppp/nm-pppd-plugin.c')
-rw-r--r--src/ppp/nm-pppd-plugin.c710
1 files changed, 355 insertions, 355 deletions
diff --git a/src/ppp/nm-pppd-plugin.c b/src/ppp/nm-pppd-plugin.c
index db9a2b67..f50994a3 100644
--- a/src/ppp/nm-pppd-plugin.c
+++ b/src/ppp/nm-pppd-plugin.c
@@ -1,4 +1,4 @@
-// SPDX-License-Identifier: GPL-2.0+
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * Copyright (C) 2008 Novell, Inc.
  * Copyright (C) 2008 Red Hat, Inc.
@@ -27,419 +27,419 @@
 #include "nm-pppd-plugin.h"
 #include "nm-ppp-status.h"
 
-int plugin_init (void);
+int plugin_init(void);
 
 char pppd_version[] = VERSION;
 
 static struct {
-	GDBusConnection *dbus_connection;
-	char *ipparam;
+    GDBusConnection *dbus_connection;
+    char *           ipparam;
 } gl;
 
 static void
-nm_phasechange (int arg)
+nm_phasechange(int arg)
 {
-	NMPPPStatus ppp_status = NM_PPP_STATUS_UNKNOWN;
-	char *ppp_phase;
-
-	g_return_if_fail (G_IS_DBUS_CONNECTION (gl.dbus_connection));
-
-	switch (arg) {
-	case PHASE_DEAD:
-		ppp_status = NM_PPP_STATUS_DEAD;
-		ppp_phase = "dead";
-		break;
-	case PHASE_INITIALIZE:
-		ppp_status = NM_PPP_STATUS_INITIALIZE;
-		ppp_phase = "initialize";
-		break;
-	case PHASE_SERIALCONN:
-		ppp_status = NM_PPP_STATUS_SERIALCONN;
-		ppp_phase = "serial connection";
-		break;
-	case PHASE_DORMANT:
-		ppp_status = NM_PPP_STATUS_DORMANT;
-		ppp_phase = "dormant";
-		break;
-	case PHASE_ESTABLISH:
-		ppp_status = NM_PPP_STATUS_ESTABLISH;
-		ppp_phase = "establish";
-		break;
-	case PHASE_AUTHENTICATE:
-		ppp_status = NM_PPP_STATUS_AUTHENTICATE;
-		ppp_phase = "authenticate";
-		break;
-	case PHASE_CALLBACK:
-		ppp_status = NM_PPP_STATUS_CALLBACK;
-		ppp_phase = "callback";
-		break;
-	case PHASE_NETWORK:
-		ppp_status = NM_PPP_STATUS_NETWORK;
-		ppp_phase = "network";
-		break;
-	case PHASE_RUNNING:
-		ppp_status = NM_PPP_STATUS_RUNNING;
-		ppp_phase = "running";
-		break;
-	case PHASE_TERMINATE:
-		ppp_status = NM_PPP_STATUS_TERMINATE;
-		ppp_phase = "terminate";
-		break;
-	case PHASE_DISCONNECT:
-		ppp_status = NM_PPP_STATUS_DISCONNECT;
-		ppp_phase = "disconnect";
-		break;
-	case PHASE_HOLDOFF:
-		ppp_status = NM_PPP_STATUS_HOLDOFF;
-		ppp_phase = "holdoff";
-		break;
-	case PHASE_MASTER:
-		ppp_status = NM_PPP_STATUS_MASTER;
-		ppp_phase = "master";
-		break;
-
-	default:
-		ppp_phase = "unknown";
-		break;
-	}
-
-	g_message ("nm-ppp-plugin: status %d / phase '%s'",
-	           ppp_status,
-	           ppp_phase);
-
-	if (ppp_status != NM_PPP_STATUS_UNKNOWN) {
-		g_dbus_connection_call (gl.dbus_connection,
-		                        NM_DBUS_SERVICE,
-		                        gl.ipparam,
-		                        NM_DBUS_INTERFACE_PPP,
-		                        "SetState",
-		                        g_variant_new ("(u)", ppp_status),
-		                        G_VARIANT_TYPE ("()"),
-		                        G_DBUS_CALL_FLAGS_NONE,
-		                        -1,
-		                        NULL,
-		                        NULL,
-		                        NULL);
-	}
-
-	if (ppp_status == NM_PPP_STATUS_RUNNING) {
-		gs_unref_variant GVariant *ret = NULL;
-		char new_name[IF_NAMESIZE];
-		int ifindex;
-
-		ifindex = if_nametoindex (ifname);
-
-		/* Make a sync call to ensure that when the call
-		 * terminates the interface already has its final
-		 * name. */
-		ret = g_dbus_connection_call_sync (gl.dbus_connection,
-		                                   NM_DBUS_SERVICE,
-		                                   gl.ipparam,
-		                                   NM_DBUS_INTERFACE_PPP,
-		                                   "SetIfindex",
-		                                   g_variant_new ("(i)", ifindex),
-		                                   G_VARIANT_TYPE ("()"),
-		                                   G_DBUS_CALL_FLAGS_NONE,
-		                                   25000,
-		                                   NULL,
-		                                   NULL);
-
-		/* Update the name in pppd if NM changed it */
-		if (   if_indextoname (ifindex, new_name)
-		    && !nm_streq0 (ifname, new_name)) {
-			g_message ("nm-ppp-plugin: interface name changed from '%s' to '%s'", ifname, new_name);
-			g_strlcpy (ifname, new_name, IF_NAMESIZE);
-		}
-	}
+    NMPPPStatus ppp_status = NM_PPP_STATUS_UNKNOWN;
+    char *      ppp_phase;
+
+    g_return_if_fail(G_IS_DBUS_CONNECTION(gl.dbus_connection));
+
+    switch (arg) {
+    case PHASE_DEAD:
+        ppp_status = NM_PPP_STATUS_DEAD;
+        ppp_phase  = "dead";
+        break;
+    case PHASE_INITIALIZE:
+        ppp_status = NM_PPP_STATUS_INITIALIZE;
+        ppp_phase  = "initialize";
+        break;
+    case PHASE_SERIALCONN:
+        ppp_status = NM_PPP_STATUS_SERIALCONN;
+        ppp_phase  = "serial connection";
+        break;
+    case PHASE_DORMANT:
+        ppp_status = NM_PPP_STATUS_DORMANT;
+        ppp_phase  = "dormant";
+        break;
+    case PHASE_ESTABLISH:
+        ppp_status = NM_PPP_STATUS_ESTABLISH;
+        ppp_phase  = "establish";
+        break;
+    case PHASE_AUTHENTICATE:
+        ppp_status = NM_PPP_STATUS_AUTHENTICATE;
+        ppp_phase  = "authenticate";
+        break;
+    case PHASE_CALLBACK:
+        ppp_status = NM_PPP_STATUS_CALLBACK;
+        ppp_phase  = "callback";
+        break;
+    case PHASE_NETWORK:
+        ppp_status = NM_PPP_STATUS_NETWORK;
+        ppp_phase  = "network";
+        break;
+    case PHASE_RUNNING:
+        ppp_status = NM_PPP_STATUS_RUNNING;
+        ppp_phase  = "running";
+        break;
+    case PHASE_TERMINATE:
+        ppp_status = NM_PPP_STATUS_TERMINATE;
+        ppp_phase  = "terminate";
+        break;
+    case PHASE_DISCONNECT:
+        ppp_status = NM_PPP_STATUS_DISCONNECT;
+        ppp_phase  = "disconnect";
+        break;
+    case PHASE_HOLDOFF:
+        ppp_status = NM_PPP_STATUS_HOLDOFF;
+        ppp_phase  = "holdoff";
+        break;
+    case PHASE_MASTER:
+        ppp_status = NM_PPP_STATUS_MASTER;
+        ppp_phase  = "master";
+        break;
+
+    default:
+        ppp_phase = "unknown";
+        break;
+    }
+
+    g_message("nm-ppp-plugin: status %d / phase '%s'", ppp_status, ppp_phase);
+
+    if (ppp_status != NM_PPP_STATUS_UNKNOWN) {
+        g_dbus_connection_call(gl.dbus_connection,
+                               NM_DBUS_SERVICE,
+                               gl.ipparam,
+                               NM_DBUS_INTERFACE_PPP,
+                               "SetState",
+                               g_variant_new("(u)", ppp_status),
+                               G_VARIANT_TYPE("()"),
+                               G_DBUS_CALL_FLAGS_NONE,
+                               -1,
+                               NULL,
+                               NULL,
+                               NULL);
+    }
+
+    if (ppp_status == NM_PPP_STATUS_RUNNING) {
+        gs_unref_variant GVariant *ret = NULL;
+        char                       new_name[IF_NAMESIZE];
+        int                        ifindex;
+
+        ifindex = if_nametoindex(ifname);
+
+        /* Make a sync call to ensure that when the call
+         * terminates the interface already has its final
+         * name. */
+        ret = g_dbus_connection_call_sync(gl.dbus_connection,
+                                          NM_DBUS_SERVICE,
+                                          gl.ipparam,
+                                          NM_DBUS_INTERFACE_PPP,
+                                          "SetIfindex",
+                                          g_variant_new("(i)", ifindex),
+                                          G_VARIANT_TYPE("()"),
+                                          G_DBUS_CALL_FLAGS_NONE,
+                                          25000,
+                                          NULL,
+                                          NULL);
+
+        /* Update the name in pppd if NM changed it */
+        if (if_indextoname(ifindex, new_name) && !nm_streq0(ifname, new_name)) {
+            g_message("nm-ppp-plugin: interface name changed from '%s' to '%s'", ifname, new_name);
+            g_strlcpy(ifname, new_name, IF_NAMESIZE);
+        }
+    }
 }
 
 static void
-nm_phasechange_hook (void *data, int arg)
+nm_phasechange_hook(void *data, int arg)
 {
-	/* We send the nofication in exitnotify instead */
-	if (arg == PHASE_DEAD)
-		return;
+    /* We send the nofication in exitnotify instead */
+    if (arg == PHASE_DEAD)
+        return;
 
-	nm_phasechange (arg);
+    nm_phasechange(arg);
 }
 
 static void
-nm_ip_up (void *data, int arg)
+nm_ip_up(void *data, int arg)
 {
-	ipcp_options opts = ipcp_gotoptions[0];
-	ipcp_options peer_opts = ipcp_hisoptions[0];
-	GVariantBuilder builder;
-	guint32 pppd_made_up_address = htonl (0x0a404040 + ifunit);
-
-	g_return_if_fail (G_IS_DBUS_CONNECTION (gl.dbus_connection));
-
-	g_message ("nm-ppp-plugin: ip-up event");
-
-	if (!opts.ouraddr) {
-		g_warning ("nm-ppp-plugin: didn't receive an internal IP from pppd!");
-		nm_phasechange (PHASE_DEAD);
-		return;
-	}
-
-	g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
-
-	/* Keep sending the interface name to be backwards compatible
-	 * with older versions of NM during a package upgrade, where
-	 * NM is not restarted and the pppd plugin was not loaded. */
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP4_CONFIG_INTERFACE,
-	                       g_variant_new_string (ifname));
-
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP4_CONFIG_ADDRESS,
-	                       g_variant_new_uint32 (opts.ouraddr));
-
-	/* Prefer the peer options remote address first, _unless_ pppd made the
-	 * address up, at which point prefer the local options remote address,
-	 * and if that's not right, use the made-up address as a last resort.
-	 */
-	if (peer_opts.hisaddr && (peer_opts.hisaddr != pppd_made_up_address)) {
-		g_variant_builder_add (&builder, "{sv}",
-		                       NM_PPP_IP4_CONFIG_GATEWAY,
-		                       g_variant_new_uint32 (peer_opts.hisaddr));
-	} else if (opts.hisaddr) {
-		g_variant_builder_add (&builder, "{sv}",
-		                       NM_PPP_IP4_CONFIG_GATEWAY,
-		                       g_variant_new_uint32 (opts.hisaddr));
-	} else if (peer_opts.hisaddr == pppd_made_up_address) {
-		/* As a last resort, use the made-up address */
-		g_variant_builder_add (&builder, "{sv}",
-		                       NM_PPP_IP4_CONFIG_GATEWAY,
-		                       g_variant_new_uint32 (peer_opts.ouraddr));
-	}
-
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP4_CONFIG_PREFIX,
-	                       g_variant_new_uint32 (32));
-
-	if (opts.dnsaddr[0] || opts.dnsaddr[1]) {
-		guint32 dns[2];
-		int len = 0;
-
-		if (opts.dnsaddr[0])
-			dns[len++] = opts.dnsaddr[0];
-		if (opts.dnsaddr[1])
-			dns[len++] = opts.dnsaddr[1];
-
-		g_variant_builder_add (&builder, "{sv}",
-		                       NM_PPP_IP4_CONFIG_DNS,
-		                       g_variant_new_fixed_array (G_VARIANT_TYPE_UINT32,
-		                                                  dns, len, sizeof (guint32)));
-	}
-
-	if (opts.winsaddr[0] || opts.winsaddr[1]) {
-		guint32 wins[2];
-		int len = 0;
-
-		if (opts.winsaddr[0])
-			wins[len++] = opts.winsaddr[0];
-		if (opts.winsaddr[1])
-			wins[len++] = opts.winsaddr[1];
-
-		g_variant_builder_add (&builder, "{sv}",
-		                       NM_PPP_IP4_CONFIG_WINS,
-		                       g_variant_new_fixed_array (G_VARIANT_TYPE_UINT32,
-		                                                  wins, len, sizeof (guint32)));
-	}
-
-	g_message ("nm-ppp-plugin: sending IPv4 config to NetworkManager...");
-
-	g_dbus_connection_call (gl.dbus_connection,
-	                        NM_DBUS_SERVICE,
-	                        gl.ipparam,
-	                        NM_DBUS_INTERFACE_PPP,
-	                        "SetIp4Config",
-	                        g_variant_new ("(a{sv})", &builder),
-	                        G_VARIANT_TYPE ("()"),
-	                        G_DBUS_CALL_FLAGS_NONE,
-	                        -1,
-	                        NULL,
-	                        NULL,
-	                        NULL);
+    ipcp_options    opts      = ipcp_gotoptions[0];
+    ipcp_options    peer_opts = ipcp_hisoptions[0];
+    GVariantBuilder builder;
+    guint32         pppd_made_up_address = htonl(0x0a404040 + ifunit);
+
+    g_return_if_fail(G_IS_DBUS_CONNECTION(gl.dbus_connection));
+
+    g_message("nm-ppp-plugin: ip-up event");
+
+    if (!opts.ouraddr) {
+        g_warning("nm-ppp-plugin: didn't receive an internal IP from pppd!");
+        nm_phasechange(PHASE_DEAD);
+        return;
+    }
+
+    g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
+
+    /* Keep sending the interface name to be backwards compatible
+     * with older versions of NM during a package upgrade, where
+     * NM is not restarted and the pppd plugin was not loaded. */
+    g_variant_builder_add(&builder,
+                          "{sv}",
+                          NM_PPP_IP4_CONFIG_INTERFACE,
+                          g_variant_new_string(ifname));
+
+    g_variant_builder_add(&builder,
+                          "{sv}",
+                          NM_PPP_IP4_CONFIG_ADDRESS,
+                          g_variant_new_uint32(opts.ouraddr));
+
+    /* Prefer the peer options remote address first, _unless_ pppd made the
+     * address up, at which point prefer the local options remote address,
+     * and if that's not right, use the made-up address as a last resort.
+     */
+    if (peer_opts.hisaddr && (peer_opts.hisaddr != pppd_made_up_address)) {
+        g_variant_builder_add(&builder,
+                              "{sv}",
+                              NM_PPP_IP4_CONFIG_GATEWAY,
+                              g_variant_new_uint32(peer_opts.hisaddr));
+    } else if (opts.hisaddr) {
+        g_variant_builder_add(&builder,
+                              "{sv}",
+                              NM_PPP_IP4_CONFIG_GATEWAY,
+                              g_variant_new_uint32(opts.hisaddr));
+    } else if (peer_opts.hisaddr == pppd_made_up_address) {
+        /* As a last resort, use the made-up address */
+        g_variant_builder_add(&builder,
+                              "{sv}",
+                              NM_PPP_IP4_CONFIG_GATEWAY,
+                              g_variant_new_uint32(peer_opts.ouraddr));
+    }
+
+    g_variant_builder_add(&builder, "{sv}", NM_PPP_IP4_CONFIG_PREFIX, g_variant_new_uint32(32));
+
+    if (opts.dnsaddr[0] || opts.dnsaddr[1]) {
+        guint32 dns[2];
+        int     len = 0;
+
+        if (opts.dnsaddr[0])
+            dns[len++] = opts.dnsaddr[0];
+        if (opts.dnsaddr[1])
+            dns[len++] = opts.dnsaddr[1];
+
+        g_variant_builder_add(
+            &builder,
+            "{sv}",
+            NM_PPP_IP4_CONFIG_DNS,
+            g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, dns, len, sizeof(guint32)));
+    }
+
+    if (opts.winsaddr[0] || opts.winsaddr[1]) {
+        guint32 wins[2];
+        int     len = 0;
+
+        if (opts.winsaddr[0])
+            wins[len++] = opts.winsaddr[0];
+        if (opts.winsaddr[1])
+            wins[len++] = opts.winsaddr[1];
+
+        g_variant_builder_add(
+            &builder,
+            "{sv}",
+            NM_PPP_IP4_CONFIG_WINS,
+            g_variant_new_fixed_array(G_VARIANT_TYPE_UINT32, wins, len, sizeof(guint32)));
+    }
+
+    g_message("nm-ppp-plugin: sending IPv4 config to NetworkManager...");
+
+    g_dbus_connection_call(gl.dbus_connection,
+                           NM_DBUS_SERVICE,
+                           gl.ipparam,
+                           NM_DBUS_INTERFACE_PPP,
+                           "SetIp4Config",
+                           g_variant_new("(a{sv})", &builder),
+                           G_VARIANT_TYPE("()"),
+                           G_DBUS_CALL_FLAGS_NONE,
+                           -1,
+                           NULL,
+                           NULL,
+                           NULL);
 }
 
 static GVariant *
-eui64_to_variant (eui64_t eui)
+eui64_to_variant(eui64_t eui)
 {
-	guint64 iid;
+    guint64 iid;
 
-	G_STATIC_ASSERT (sizeof (iid) == sizeof (eui));
+    G_STATIC_ASSERT(sizeof(iid) == sizeof(eui));
 
-	memcpy (&iid, &eui, sizeof (eui));
-	return g_variant_new_uint64 (iid);
+    memcpy(&iid, &eui, sizeof(eui));
+    return g_variant_new_uint64(iid);
 }
 
 static void
-nm_ip6_up (void *data, int arg)
+nm_ip6_up(void *data, int arg)
 {
-	ipv6cp_options *ho = &ipv6cp_hisoptions[0];
-	ipv6cp_options *go = &ipv6cp_gotoptions[0];
-	GVariantBuilder builder;
-
-	g_return_if_fail (G_IS_DBUS_CONNECTION (gl.dbus_connection));
-
-	g_message ("nm-ppp-plugin: ip6-up event");
-
-	g_variant_builder_init (&builder, G_VARIANT_TYPE_VARDICT);
-	/* Keep sending the interface name to be backwards compatible
-	 * with older versions of NM during a package upgrade, where
-	 * NM is not restarted and the pppd plugin was not loaded. */
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP6_CONFIG_INTERFACE,
-	                       g_variant_new_string (ifname));
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP6_CONFIG_OUR_IID,
-	                       eui64_to_variant (go->ourid));
-	g_variant_builder_add (&builder, "{sv}",
-	                       NM_PPP_IP6_CONFIG_PEER_IID,
-	                       eui64_to_variant (ho->hisid));
-
-	/* DNS is done via DHCPv6 or router advertisements */
-
-	g_message ("nm-ppp-plugin: sending IPv6 config to NetworkManager...");
-
-	g_dbus_connection_call (gl.dbus_connection,
-	                        NM_DBUS_SERVICE,
-	                        gl.ipparam,
-	                        NM_DBUS_INTERFACE_PPP,
-	                        "SetIp6Config",
-	                        g_variant_new ("(a{sv})", &builder),
-	                        G_VARIANT_TYPE ("()"),
-	                        G_DBUS_CALL_FLAGS_NONE,
-	                        -1,
-	                        NULL,
-	                        NULL,
-	                        NULL);
+    ipv6cp_options *ho = &ipv6cp_hisoptions[0];
+    ipv6cp_options *go = &ipv6cp_gotoptions[0];
+    GVariantBuilder builder;
+
+    g_return_if_fail(G_IS_DBUS_CONNECTION(gl.dbus_connection));
+
+    g_message("nm-ppp-plugin: ip6-up event");
+
+    g_variant_builder_init(&builder, G_VARIANT_TYPE_VARDICT);
+    /* Keep sending the interface name to be backwards compatible
+     * with older versions of NM during a package upgrade, where
+     * NM is not restarted and the pppd plugin was not loaded. */
+    g_variant_builder_add(&builder,
+                          "{sv}",
+                          NM_PPP_IP6_CONFIG_INTERFACE,
+                          g_variant_new_string(ifname));
+    g_variant_builder_add(&builder, "{sv}", NM_PPP_IP6_CONFIG_OUR_IID, eui64_to_variant(go->ourid));
+    g_variant_builder_add(&builder,
+                          "{sv}",
+                          NM_PPP_IP6_CONFIG_PEER_IID,
+                          eui64_to_variant(ho->hisid));
+
+    /* DNS is done via DHCPv6 or router advertisements */
+
+    g_message("nm-ppp-plugin: sending IPv6 config to NetworkManager...");
+
+    g_dbus_connection_call(gl.dbus_connection,
+                           NM_DBUS_SERVICE,
+                           gl.ipparam,
+                           NM_DBUS_INTERFACE_PPP,
+                           "SetIp6Config",
+                           g_variant_new("(a{sv})", &builder),
+                           G_VARIANT_TYPE("()"),
+                           G_DBUS_CALL_FLAGS_NONE,
+                           -1,
+                           NULL,
+                           NULL,
+                           NULL);
 }
 
 static int
-get_chap_check (void)
+get_chap_check(void)
 {
-	return 1;
+    return 1;
 }
 
 static int
-get_pap_check (void)
+get_pap_check(void)
 {
-	return 1;
+    return 1;
 }
 
 static int
-get_credentials (char *username, char *password)
+get_credentials(char *username, char *password)
 {
-	gs_unref_variant GVariant *ret = NULL;
-	gs_free_error GError *error = NULL;
-	const char *my_username;
-	const char *my_password;
-
-	if (!password) {
-		/* pppd is checking pap support; return 1 for supported */
-		g_return_val_if_fail (username, -1);
-		return 1;
-	}
-
-	g_return_val_if_fail (username, -1);
-	g_return_val_if_fail (G_IS_DBUS_CONNECTION (gl.dbus_connection), -1);
-
-	g_message ("nm-ppp-plugin: passwd-hook, requesting credentials...");
-
-	ret = g_dbus_connection_call_sync (gl.dbus_connection,
-	                                   NM_DBUS_SERVICE,
-	                                   gl.ipparam,
-	                                   NM_DBUS_INTERFACE_PPP,
-	                                   "NeedSecrets",
-	                                   NULL,
-	                                   G_VARIANT_TYPE ("(ss)"),
-	                                   G_DBUS_CALL_FLAGS_NONE,
-	                                   -1,
-	                                   NULL,
-	                                   &error);
-	if (!ret) {
-		g_warning ("nm-ppp-plugin: could not get secrets: %s",
-		           error->message);
-		return -1;
-	}
-
-	g_message ("nm-ppp-plugin: got credentials from NetworkManager");
-
-	g_variant_get (ret, "(&s&s)", &my_username, &my_password);
-
-	g_strlcpy (username, my_username, MAXNAMELEN);
-	g_strlcpy (password, my_password, MAXSECRETLEN);
-
-	return 1;
+    gs_unref_variant GVariant *ret = NULL;
+    gs_free_error GError *error    = NULL;
+    const char *          my_username;
+    const char *          my_password;
+
+    if (!password) {
+        /* pppd is checking pap support; return 1 for supported */
+        g_return_val_if_fail(username, -1);
+        return 1;
+    }
+
+    g_return_val_if_fail(username, -1);
+    g_return_val_if_fail(G_IS_DBUS_CONNECTION(gl.dbus_connection), -1);
+
+    g_message("nm-ppp-plugin: passwd-hook, requesting credentials...");
+
+    ret = g_dbus_connection_call_sync(gl.dbus_connection,
+                                      NM_DBUS_SERVICE,
+                                      gl.ipparam,
+                                      NM_DBUS_INTERFACE_PPP,
+                                      "NeedSecrets",
+                                      NULL,
+                                      G_VARIANT_TYPE("(ss)"),
+                                      G_DBUS_CALL_FLAGS_NONE,
+                                      -1,
+                                      NULL,
+                                      &error);
+    if (!ret) {
+        g_warning("nm-ppp-plugin: could not get secrets: %s", error->message);
+        return -1;
+    }
+
+    g_message("nm-ppp-plugin: got credentials from NetworkManager");
+
+    g_variant_get(ret, "(&s&s)", &my_username, &my_password);
+
+    g_strlcpy(username, my_username, MAXNAMELEN);
+    g_strlcpy(password, my_password, MAXSECRETLEN);
+
+    return 1;
 }
 
 static void
-nm_exit_notify (void *data, int arg)
+nm_exit_notify(void *data, int arg)
 {
-	g_return_if_fail (G_IS_DBUS_CONNECTION (gl.dbus_connection));
+    g_return_if_fail(G_IS_DBUS_CONNECTION(gl.dbus_connection));
 
-	/* We wait until this point to notify dead phase to make sure that
-	 * the serial port has recovered already its original settings.
-	 */
-	nm_phasechange (PHASE_DEAD);
+    /* We wait until this point to notify dead phase to make sure that
+     * the serial port has recovered already its original settings.
+     */
+    nm_phasechange(PHASE_DEAD);
 
-	g_message ("nm-ppp-plugin: cleaning up");
+    g_message("nm-ppp-plugin: cleaning up");
 
-	g_clear_object (&gl.dbus_connection);
-	nm_clear_g_free (&gl.ipparam);
+    g_clear_object(&gl.dbus_connection);
+    nm_clear_g_free(&gl.ipparam);
 }
 
 static void
-add_ip6_notifier (void)
+add_ip6_notifier(void)
 {
-	static struct notifier **notifier = NULL;
-	static gsize load_once = 0;
-
-	if (g_once_init_enter (&load_once)) {
-		void *handle = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
-
-		if (handle) {
-			notifier = dlsym (handle, "ipv6_up_notifier");
-			dlclose (handle);
-		}
-		g_once_init_leave (&load_once, 1);
-	}
-	if (notifier)
-		add_notifier (notifier, nm_ip6_up, NULL);
-	else
-		g_message ("nm-ppp-plugin: no IPV6CP notifier support; IPv6 not available");
+    static struct notifier **notifier  = NULL;
+    static gsize             load_once = 0;
+
+    if (g_once_init_enter(&load_once)) {
+        void *handle = dlopen(NULL, RTLD_NOW | RTLD_GLOBAL);
+
+        if (handle) {
+            notifier = dlsym(handle, "ipv6_up_notifier");
+            dlclose(handle);
+        }
+        g_once_init_leave(&load_once, 1);
+    }
+    if (notifier)
+        add_notifier(notifier, nm_ip6_up, NULL);
+    else
+        g_message("nm-ppp-plugin: no IPV6CP notifier support; IPv6 not available");
 }
 
 int
-plugin_init (void)
+plugin_init(void)
 {
-	gs_free_error GError *err = NULL;
+    gs_free_error GError *err = NULL;
 
-	g_message ("nm-ppp-plugin: initializing");
+    g_message("nm-ppp-plugin: initializing");
 
-	nm_assert (!gl.dbus_connection);
-	nm_assert (!gl.ipparam);
+    nm_assert(!gl.dbus_connection);
+    nm_assert(!gl.ipparam);
 
-	gl.dbus_connection = g_bus_get_sync (G_BUS_TYPE_SYSTEM, NULL, &err);
-	if (!gl.dbus_connection) {
-		g_warning ("nm-pppd-plugin: couldn't connect to system bus: %s",
-		           err->message);
-		return -1;
-	}
+    gl.dbus_connection = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &err);
+    if (!gl.dbus_connection) {
+        g_warning("nm-pppd-plugin: couldn't connect to system bus: %s", err->message);
+        return -1;
+    }
 
-	gl.ipparam = g_strdup (ipparam);
+    gl.ipparam = g_strdup(ipparam);
 
-	chap_passwd_hook = get_credentials;
-	chap_check_hook = get_chap_check;
-	pap_passwd_hook = get_credentials;
-	pap_check_hook = get_pap_check;
+    chap_passwd_hook = get_credentials;
+    chap_check_hook  = get_chap_check;
+    pap_passwd_hook  = get_credentials;
+    pap_check_hook   = get_pap_check;
 
-	add_notifier (&phasechange, nm_phasechange_hook, NULL);
-	add_notifier (&ip_up_notifier, nm_ip_up, NULL);
-	add_notifier (&exitnotify, nm_exit_notify, NULL);
-	add_ip6_notifier ();
+    add_notifier(&phasechange, nm_phasechange_hook, NULL);
+    add_notifier(&ip_up_notifier, nm_ip_up, NULL);
+    add_notifier(&exitnotify, nm_exit_notify, NULL);
+    add_ip6_notifier();
 
-	return 0;
+    return 0;
 }