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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Dan Williams <dcbw@redhat.com>
*
* (C) Copyright 2010 Red Hat, Inc.
* (C) Copyright 2024 Douglas Kosovic <doug@uq.edu.au>
*/
#include "nm-default.h"
#include "utils.h"
#include "nm-utils/nm-shared-utils.h"
NML2tpIpsecDaemon
check_ipsec_daemon(const char *path)
{
const char * argv[] = {path, "--version", NULL};
g_autofree char *output = NULL;
if (path == NULL)
return NM_L2TP_IPSEC_DAEMON_UNKNOWN;
if (g_spawn_sync(NULL, (char **) argv, NULL, 0, NULL, NULL, &output, NULL, NULL, NULL)) {
if (!output)
return NM_L2TP_IPSEC_DAEMON_UNKNOWN;
if (strstr(output, "strongSwan") != NULL)
return NM_L2TP_IPSEC_DAEMON_STRONGSWAN;
if (strstr(output, "Libreswan") != NULL)
return NM_L2TP_IPSEC_DAEMON_LIBRESWAN;
if (strstr(output, "Openswan") != NULL)
return NM_L2TP_IPSEC_DAEMON_OPENSWAN;
}
return NM_L2TP_IPSEC_DAEMON_UNKNOWN;
}
gboolean
libreswan_5_or_later(const char *path)
{
const char * argv[] = {path, "--help", NULL};
g_autofree char *output = NULL;
if (path == NULL)
return FALSE;
if (g_spawn_sync(NULL, (char **) argv, NULL, 0, NULL, NULL, &output, NULL, NULL, NULL)) {
if (!output)
return FALSE;
/* libreswan 5.0 and later do not have tha auto command */
if (strstr(output, "\tauto\t") != NULL || strstr(output, "\tauto\n") != NULL)
return FALSE;
}
return TRUE;
}
const char *
nm_find_ipsec(void)
{
static const char *ipsec_binary_paths[] = {"/usr/bin/ipsec",
"/sbin/ipsec",
"/usr/sbin/ipsec",
"/usr/local/sbin/ipsec",
"/sbin/strongswan",
"/usr/sbin/strongswan",
"/usr/local/sbin/strongswan",
NULL};
const char **ipsec_binary = ipsec_binary_paths;
while (*ipsec_binary != NULL) {
if (g_file_test(*ipsec_binary, G_FILE_TEST_EXISTS))
break;
ipsec_binary++;
}
return *ipsec_binary;
}
const char *
nm_find_l2tpd(NML2tpL2tpDaemon *l2tp_daemon)
{
char **l2tp_binary;
static const char *kl2tp_binary_paths[] = {"/usr/bin/kl2tpd",
"/sbin/kl2tpd",
"/usr/sbin/kl2tpd",
"/usr/local/sbin/kl2tpd",
NULL};
static const char *xl2tp_binary_paths[] = {"/usr/bin/xl2tpd",
"/sbin/xl2tpd",
"/usr/sbin/xl2tpd",
"/usr/local/sbin/xl2tpd",
NULL};
l2tp_binary = (char **) kl2tp_binary_paths;
while (*l2tp_binary != NULL) {
if (g_file_test(*l2tp_binary, G_FILE_TEST_EXISTS)) {
if (l2tp_daemon != NULL)
*l2tp_daemon = NM_L2TP_L2TP_DAEMON_KL2TPD;
return *l2tp_binary;
}
l2tp_binary++;
}
l2tp_binary = (char **) xl2tp_binary_paths;
while (*l2tp_binary != NULL) {
if (g_file_test(*l2tp_binary, G_FILE_TEST_EXISTS)) {
if (l2tp_daemon != NULL)
*l2tp_daemon = NM_L2TP_L2TP_DAEMON_XL2TPD;
return *l2tp_binary;
}
l2tp_binary++;
}
return NULL;
}
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