858 lines
19 KiB
C
858 lines
19 KiB
C
/* strongSwan IPsec config file parser
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* Copyright (C) 2001-2002 Mathieu Lafon - Arkoon Network Security
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* RCSID $Id: confread.c,v 1.37 2006/04/17 19:35:07 as Exp $
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <freeswan.h>
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#include "../pluto/constants.h"
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#include "../pluto/defs.h"
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#include "../pluto/log.h"
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#include "keywords.h"
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#include "parser.h"
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#include "confread.h"
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#include "args.h"
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#include "interfaces.h"
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static const char ike_defaults[] = "3des-sha, 3des-md5";
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static const char esp_defaults[] = "3des-sha1, 3des-md5";
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static const char firewall_defaults[] = "ipsec _updown iptables";
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static void
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default_values(starter_config_t *cfg)
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{
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if (cfg == NULL)
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return;
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memset(cfg, 0, sizeof(struct starter_config));
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/* is there enough space for all seen flags? */
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assert(KW_SETUP_LAST - KW_SETUP_FIRST <
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sizeof(cfg->setup.seen) * BITS_PER_BYTE);
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assert(KW_CONN_LAST - KW_CONN_FIRST <
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sizeof(cfg->conn_default.seen) * BITS_PER_BYTE);
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assert(KW_END_LAST - KW_END_FIRST <
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sizeof(cfg->conn_default.right.seen) * BITS_PER_BYTE);
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assert(KW_CA_LAST - KW_CA_FIRST <
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sizeof(cfg->ca_default.seen) * BITS_PER_BYTE);
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cfg->setup.seen = LEMPTY;
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cfg->setup.fragicmp = TRUE;
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cfg->setup.hidetos = TRUE;
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cfg->setup.uniqueids = TRUE;
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cfg->setup.interfaces = new_list("%defaultroute");
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cfg->setup.charonstart = TRUE;
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cfg->setup.plutostart = TRUE;
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cfg->conn_default.seen = LEMPTY;
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cfg->conn_default.startup = STARTUP_NO;
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cfg->conn_default.state = STATE_IGNORE;
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cfg->conn_default.policy = POLICY_ENCRYPT | POLICY_TUNNEL | POLICY_RSASIG | POLICY_PFS;
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cfg->conn_default.ike = clone_str(ike_defaults, "ike_defaults");
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cfg->conn_default.esp = clone_str(esp_defaults, "esp_defaults");
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cfg->conn_default.sa_ike_life_seconds = OAKLEY_ISAKMP_SA_LIFETIME_DEFAULT;
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cfg->conn_default.sa_ipsec_life_seconds = PLUTO_SA_LIFE_DURATION_DEFAULT;
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cfg->conn_default.sa_rekey_margin = SA_REPLACEMENT_MARGIN_DEFAULT;
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cfg->conn_default.sa_rekey_fuzz = SA_REPLACEMENT_FUZZ_DEFAULT;
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cfg->conn_default.sa_keying_tries = SA_REPLACEMENT_RETRIES_DEFAULT;
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cfg->conn_default.addr_family = AF_INET;
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cfg->conn_default.tunnel_addr_family = AF_INET;
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cfg->conn_default.left.seen = LEMPTY;
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cfg->conn_default.right.seen = LEMPTY;
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anyaddr(AF_INET, &cfg->conn_default.left.addr);
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anyaddr(AF_INET, &cfg->conn_default.left.nexthop);
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anyaddr(AF_INET, &cfg->conn_default.left.srcip);
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anyaddr(AF_INET, &cfg->conn_default.right.addr);
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anyaddr(AF_INET, &cfg->conn_default.right.nexthop);
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anyaddr(AF_INET, &cfg->conn_default.right.srcip);
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cfg->ca_default.seen = LEMPTY;
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}
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#define KW_POLICY_FLAG(sy, sn, fl) \
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if (streq(kw->value, sy)) { conn->policy |= fl; } \
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else if (streq(kw->value, sn)) { conn->policy &= ~fl; } \
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else { plog("# bad policy value: %s=%s", kw->entry->name, kw->value); cfg->err++; }
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static void
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load_setup(starter_config_t *cfg, config_parsed_t *cfgp)
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{
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kw_list_t *kw;
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DBG(DBG_CONTROL,
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DBG_log("Loading config setup")
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)
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for (kw = cfgp->config_setup; kw; kw = kw->next)
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{
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bool assigned = FALSE;
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kw_token_t token = kw->entry->token;
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if (token < KW_SETUP_FIRST || token > KW_SETUP_LAST)
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{
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plog("# unsupported keyword '%s' in config setup", kw->entry->name);
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cfg->err++;
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continue;
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}
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if (!assign_arg(token, KW_SETUP_FIRST, kw, (char *)cfg, &assigned))
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{
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plog(" bad argument value in config setup");
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cfg->err++;
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continue;
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}
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}
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}
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static void
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kw_end(starter_conn_t *conn, starter_end_t *end, kw_token_t token
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, kw_list_t *kw, char *conn_name, starter_config_t *cfg)
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{
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err_t ugh = NULL;
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bool assigned = FALSE;
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int has_port_wildcard; /* set if port is %any */
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char *name = kw->entry->name;
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char *value = kw->value;
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if (!assign_arg(token, KW_END_FIRST, kw, (char *)end, &assigned))
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goto err;
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if (token == KW_SENDCERT)
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{
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if (end->sendcert == CERT_YES_SEND)
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end->sendcert = CERT_ALWAYS_SEND;
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else if (end->sendcert == CERT_NO_SEND)
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end->sendcert = CERT_NEVER_SEND;
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}
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if (assigned)
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return;
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switch (token)
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{
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case KW_HOST:
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if (streq(value, "%defaultroute"))
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{
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if (cfg->defaultroute.defined)
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{
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end->addr = cfg->defaultroute.addr;
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end->nexthop = cfg->defaultroute.nexthop;
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}
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else
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{
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plog("# default route not known: %s=%s", name, value);
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goto err;
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}
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}
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else if (streq(value,"%any"))
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{
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anyaddr(conn->addr_family, &end->addr);
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}
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else if (value[0] == '%')
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{
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if (end->iface)
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pfree(end->iface);
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end->iface = clone_str(value+1, "iface");
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if (starter_iface_find(end->iface, conn->addr_family, &end->addr, &end->nexthop) == -1)
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{
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conn->state = STATE_INVALID;
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}
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}
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else
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{
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ugh = ttoaddr(value, 0, conn->addr_family, &end->addr);
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if (ugh != NULL)
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{
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plog("# bad addr: %s=%s [%s]", name, value, ugh);
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goto err;
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}
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}
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break;
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case KW_NEXTHOP:
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if (streq(value, "%defaultroute"))
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{
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if (cfg->defaultroute.defined)
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end->nexthop = cfg->defaultroute.nexthop;
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else
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{
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plog("# default route not known: %s=%s", name, value);
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goto err;
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}
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}
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else if (streq(value, "%direct"))
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ugh = anyaddr(conn->addr_family, &end->nexthop);
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else
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ugh = ttoaddr(value, 0, conn->addr_family, &end->nexthop);
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if (ugh != NULL)
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{
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plog("# bad addr: %s=%s [%s]", name, value, ugh);
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goto err;
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}
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break;
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case KW_SUBNET:
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if ((strlen(value) >= 6 && strncmp(value,"vhost:",6) == 0)
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|| (strlen(value) >= 5 && strncmp(value,"vnet:",5) == 0))
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{
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end->virt = clone_str(value, "virt");
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}
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else
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{
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end->has_client = TRUE;
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ugh = ttosubnet(value, 0, conn->tunnel_addr_family, &end->subnet);
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if (ugh != NULL)
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{
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plog("# bad subnet: %s=%s [%s]", name, value, ugh);
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goto err;
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}
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}
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break;
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case KW_SUBNETWITHIN:
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end->has_client = TRUE;
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end->has_client_wildcard = TRUE;
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ugh = ttosubnet(value, 0, conn->tunnel_addr_family, &end->subnet);
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break;
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case KW_PROTOPORT:
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ugh = ttoprotoport(value, 0, &end->protocol, &end->port, &has_port_wildcard);
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end->has_port_wildcard = has_port_wildcard;
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break;
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case KW_SOURCEIP:
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if (streq(value, "%modeconfig") || streq(value, "%modecfg"))
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{
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end->modecfg = TRUE;
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}
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else
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{
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ugh = ttoaddr(value, 0, conn->addr_family, &end->srcip);
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if (ugh != NULL)
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{
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plog("# bad addr: %s=%s [%s]", name, value, ugh);
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goto err;
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}
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end->has_srcip = TRUE;
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}
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conn->policy |= POLICY_TUNNEL;
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break;
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default:
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break;
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}
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return;
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err:
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plog(" bad argument value in conn '%s'", conn_name);
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cfg->err++;
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}
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/*
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* handles left|rightfirewall and left|rightupdown parameters
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*/
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static void
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handle_firewall( const char *label, starter_end_t *end, starter_config_t *cfg)
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{
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if (end->firewall && (end->seen & LELEM(KW_FIREWALL - KW_END_FIRST)))
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{
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if (end->updown != NULL)
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{
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plog("# cannot have both %sfirewall and %supdown", label, label);
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cfg->err++;
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}
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else
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{
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end->updown = clone_str(firewall_defaults, "firewall_defaults");
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end->firewall = FALSE;
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}
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}
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}
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/*
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* parse a conn section
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*/
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static void
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load_conn(starter_conn_t *conn, kw_list_t *kw, starter_config_t *cfg)
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{
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char *conn_name = (conn->name == NULL)? "%default":conn->name;
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for ( ; kw; kw = kw->next)
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{
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bool assigned = FALSE;
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kw_token_t token = kw->entry->token;
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if (token >= KW_LEFT_FIRST && token <= KW_LEFT_LAST)
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{
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kw_end(conn, &conn->left, token - KW_LEFT_FIRST + KW_END_FIRST
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, kw, conn_name, cfg);
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continue;
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}
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else if (token >= KW_RIGHT_FIRST && token <= KW_RIGHT_LAST)
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{
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kw_end(conn, &conn->right, token - KW_RIGHT_FIRST + KW_END_FIRST
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, kw, conn_name, cfg);
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continue;
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}
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if (token == KW_AUTO)
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{
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token = KW_CONN_SETUP;
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}
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else if (token == KW_ALSO)
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{
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if (cfg->parse_also)
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{
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also_t *also = alloc_thing(also_t, "also_t");
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also->name = clone_str(kw->value, "also");
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also->next = conn->also;
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conn->also = also;
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DBG(DBG_CONTROL,
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DBG_log(" also=%s", kw->value)
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)
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}
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continue;
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}
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if (token < KW_CONN_FIRST || token > KW_CONN_LAST)
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{
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plog("# unsupported keyword '%s' in conn '%s'"
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, kw->entry->name, conn_name);
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cfg->err++;
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continue;
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}
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if (!assign_arg(token, KW_CONN_FIRST, kw, (char *)conn, &assigned))
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{
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plog(" bad argument value in conn '%s'", conn_name);
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cfg->err++;
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continue;
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}
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if (assigned)
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continue;
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switch (token)
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{
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case KW_TYPE:
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conn->policy &= ~(POLICY_TUNNEL | POLICY_SHUNT_MASK);
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if (streq(kw->value, "tunnel"))
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conn->policy |= POLICY_TUNNEL;
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else if (streq(kw->value, "passthrough") || streq(kw->value, "pass"))
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conn->policy |= POLICY_SHUNT_PASS;
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else if (streq(kw->value, "drop"))
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conn->policy |= POLICY_SHUNT_DROP;
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else if (streq(kw->value, "reject"))
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conn->policy |= POLICY_SHUNT_REJECT;
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else if (strcmp(kw->value, "transport") != 0)
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{
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plog("# bad policy value: %s=%s", kw->entry->name, kw->value);
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cfg->err++;
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}
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break;
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case KW_PFS:
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KW_POLICY_FLAG("yes", "no", POLICY_PFS)
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break;
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case KW_COMPRESS:
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KW_POLICY_FLAG("yes", "no", POLICY_COMPRESS)
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break;
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case KW_AUTH:
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KW_POLICY_FLAG("ah", "esp", POLICY_AUTHENTICATE)
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break;
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case KW_AUTHBY:
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conn->policy &= ~(POLICY_RSASIG | POLICY_PSK | POLICY_ENCRYPT);
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if (strcmp(kw->value, "never") != 0)
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{
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char *value = kw->value;
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char *second = strchr(kw->value, '|');
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if (second != NULL)
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*second = '\0';
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/* also handles the cases secret|rsasig and rsasig|secret */
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for (;;)
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{
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if (streq(value, "rsasig"))
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conn->policy |= POLICY_RSASIG | POLICY_ENCRYPT;
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else if (streq(value, "secret"))
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conn->policy |= POLICY_PSK | POLICY_ENCRYPT;
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else
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{
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plog("# bad policy value: %s=%s", kw->entry->name, kw->value);
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cfg->err++;
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break;
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}
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if (second == NULL)
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break;
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value = second;
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second = NULL; /* traverse the loop no more than twice */
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}
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}
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break;
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case KW_REKEY:
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KW_POLICY_FLAG("no", "yes", POLICY_DONT_REKEY)
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break;
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default:
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break;
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}
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}
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handle_firewall("left", &conn->left, cfg);
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handle_firewall("right", &conn->right, cfg);
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}
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/*
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* initialize a conn object with the default conn
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*/
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static void
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conn_default(char *name, starter_conn_t *conn, starter_conn_t *def)
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{
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memcpy(conn, def, sizeof(starter_conn_t));
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conn->name = clone_str(name, "conn name");
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clone_args(KW_CONN_FIRST, KW_CONN_LAST, (char *)conn, (char *)def);
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clone_args(KW_END_FIRST, KW_END_LAST, (char *)&conn->left, (char *)&def->left);
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clone_args(KW_END_FIRST, KW_END_LAST, (char *)&conn->right, (char *)&def->right);
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}
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/*
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* parse a ca section
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*/
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static void
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load_ca(starter_ca_t *ca, kw_list_t *kw, starter_config_t *cfg)
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{
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char *ca_name = (ca->name == NULL)? "%default":ca->name;
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for ( ; kw; kw = kw->next)
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{
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bool assigned = FALSE;
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kw_token_t token = kw->entry->token;
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if (token == KW_AUTO)
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{
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token = KW_CA_SETUP;
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}
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else if (token == KW_ALSO)
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{
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if (cfg->parse_also)
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{
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also_t *also = alloc_thing(also_t, "also_t");
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also->name = clone_str(kw->value, "also");
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also->next = ca->also;
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ca->also = also;
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DBG(DBG_CONTROL,
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DBG_log(" also=%s", kw->value)
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)
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}
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continue;
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}
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if (token < KW_CA_FIRST || token > KW_CA_LAST)
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{
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plog("# unsupported keyword '%s' in ca '%s'", kw->entry->name, ca_name);
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cfg->err++;
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continue;
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}
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if (!assign_arg(token, KW_CA_FIRST, kw, (char *)ca, &assigned))
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{
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plog(" bad argument value in ca '%s'", ca_name);
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cfg->err++;
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}
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}
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/* treat 'route' and 'start' as 'add' */
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if (ca->startup != STARTUP_NO)
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ca->startup = STARTUP_ADD;
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}
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/*
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* initialize a ca object with the default ca
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*/
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static void
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ca_default(char *name, starter_ca_t *ca, starter_ca_t *def)
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{
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memcpy(ca, def, sizeof(starter_ca_t));
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ca->name = clone_str(name, "ca name");
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clone_args(KW_CA_FIRST, KW_CA_LAST, (char *)ca, (char *)def);
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}
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static kw_list_t*
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find_also_conn(const char* name, starter_conn_t *conn, starter_config_t *cfg);
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static void
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load_also_conns(starter_conn_t *conn, also_t *also, starter_config_t *cfg)
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{
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while (also != NULL)
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|
{
|
|
kw_list_t *kw = find_also_conn(also->name, conn, cfg);
|
|
|
|
if (kw == NULL)
|
|
{
|
|
plog(" conn '%s' cannot include '%s'", conn->name, also->name);
|
|
}
|
|
else
|
|
{
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("conn '%s' includes '%s'", conn->name, also->name)
|
|
)
|
|
/* only load if no error occurred in the first round */
|
|
if (cfg->err == 0)
|
|
load_conn(conn, kw, cfg);
|
|
}
|
|
also = also->next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* find a conn included by also
|
|
*/
|
|
static kw_list_t*
|
|
find_also_conn(const char* name, starter_conn_t *conn, starter_config_t *cfg)
|
|
{
|
|
starter_conn_t *c = cfg->conn_first;
|
|
|
|
while (c != NULL)
|
|
{
|
|
if (streq(name, c->name))
|
|
{
|
|
if (conn->visit == c->visit)
|
|
{
|
|
plog("# detected also loop");
|
|
cfg->err++;
|
|
return NULL;
|
|
}
|
|
c->visit = conn->visit;
|
|
load_also_conns(conn, c->also, cfg);
|
|
return c->kw;
|
|
}
|
|
c = c->next;
|
|
}
|
|
|
|
plog("# also '%s' not found", name);
|
|
cfg->err++;
|
|
return NULL;
|
|
}
|
|
|
|
static kw_list_t*
|
|
find_also_ca(const char* name, starter_ca_t *ca, starter_config_t *cfg);
|
|
|
|
static void
|
|
load_also_cas(starter_ca_t *ca, also_t *also, starter_config_t *cfg)
|
|
{
|
|
while (also != NULL)
|
|
{
|
|
kw_list_t *kw = find_also_ca(also->name, ca, cfg);
|
|
|
|
if (kw == NULL)
|
|
{
|
|
plog(" ca '%s' cannot include '%s'", ca->name, also->name);
|
|
}
|
|
else
|
|
{
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("ca '%s' includes '%s'", ca->name, also->name)
|
|
)
|
|
/* only load if no error occurred in the first round */
|
|
if (cfg->err == 0)
|
|
load_ca(ca, kw, cfg);
|
|
}
|
|
also = also->next;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* find a ca included by also
|
|
*/
|
|
static kw_list_t*
|
|
find_also_ca(const char* name, starter_ca_t *ca, starter_config_t *cfg)
|
|
{
|
|
starter_ca_t *c = cfg->ca_first;
|
|
|
|
while (c != NULL)
|
|
{
|
|
if (streq(name, c->name))
|
|
{
|
|
if (ca->visit == c->visit)
|
|
{
|
|
plog("# detected also loop");
|
|
cfg->err++;
|
|
return NULL;
|
|
}
|
|
c->visit = ca->visit;
|
|
load_also_cas(ca, c->also, cfg);
|
|
return c->kw;
|
|
}
|
|
c = c->next;
|
|
}
|
|
|
|
plog("# also '%s' not found", name);
|
|
cfg->err++;
|
|
return NULL;
|
|
}
|
|
|
|
|
|
|
|
/*
|
|
* load and parse an IPsec configuration file
|
|
*/
|
|
starter_config_t *
|
|
confread_load(const char *file)
|
|
{
|
|
starter_config_t *cfg = NULL;
|
|
config_parsed_t *cfgp;
|
|
section_list_t *sconn, *sca;
|
|
starter_conn_t *conn;
|
|
starter_ca_t *ca;
|
|
|
|
u_int visit = 0;
|
|
|
|
/* load IPSec configuration file */
|
|
cfgp = parser_load_conf(file);
|
|
if (!cfgp)
|
|
return NULL;
|
|
|
|
cfg = (starter_config_t *)alloc_thing(starter_config_t, "starter_config_t");
|
|
|
|
/* set default values */
|
|
default_values(cfg);
|
|
|
|
/* determine default route */
|
|
get_defaultroute(&cfg->defaultroute);
|
|
|
|
/* load config setup section */
|
|
load_setup(cfg, cfgp);
|
|
|
|
/* in the first round parse also statements */
|
|
cfg->parse_also = TRUE;
|
|
|
|
/* find %default ca section */
|
|
for (sca = cfgp->ca_first; sca; sca = sca->next)
|
|
{
|
|
if (streq(sca->name, "%default"))
|
|
{
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("Loading ca %%default")
|
|
)
|
|
load_ca(&cfg->ca_default, sca->kw, cfg);
|
|
}
|
|
}
|
|
|
|
/* parameters defined in ca %default sections can be overloads */
|
|
cfg->ca_default.seen = LEMPTY;
|
|
|
|
/* load other ca sections */
|
|
for (sca = cfgp->ca_first; sca; sca = sca->next)
|
|
{
|
|
/* skip %default ca section */
|
|
if (streq(sca->name, "%default"))
|
|
continue;
|
|
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("Loading ca '%s'", sca->name)
|
|
)
|
|
ca = (starter_ca_t *)alloc_thing(starter_ca_t, "starter_ca_t");
|
|
|
|
ca_default(sca->name, ca, &cfg->ca_default);
|
|
ca->kw = sca->kw;
|
|
ca->next = NULL;
|
|
|
|
if (cfg->ca_last)
|
|
cfg->ca_last->next = ca;
|
|
cfg->ca_last = ca;
|
|
if (!cfg->ca_first)
|
|
cfg->ca_first = ca;
|
|
|
|
load_ca(ca, ca->kw, cfg);
|
|
}
|
|
|
|
for (ca = cfg->ca_first; ca; ca = ca->next)
|
|
{
|
|
also_t *also = ca->also;
|
|
|
|
while (also != NULL)
|
|
{
|
|
kw_list_t *kw = find_also_ca(also->name, cfg->ca_first, cfg);
|
|
|
|
load_ca(ca, kw, cfg);
|
|
also = also->next;
|
|
}
|
|
|
|
if (ca->startup != STARTUP_NO)
|
|
ca->state = STATE_TO_ADD;
|
|
}
|
|
|
|
/* find %default conn sections */
|
|
for (sconn = cfgp->conn_first; sconn; sconn = sconn->next)
|
|
{
|
|
if (streq(sconn->name, "%default"))
|
|
{
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("Loading conn %%default")
|
|
)
|
|
load_conn(&cfg->conn_default, sconn->kw, cfg);
|
|
}
|
|
}
|
|
|
|
/* parameter defined in conn %default sections can be overloaded */
|
|
cfg->conn_default.seen = LEMPTY;
|
|
cfg->conn_default.right.seen = LEMPTY;
|
|
cfg->conn_default.left.seen = LEMPTY;
|
|
|
|
/* load other conn sections */
|
|
for (sconn = cfgp->conn_first; sconn; sconn = sconn->next)
|
|
{
|
|
/* skip %default conn section */
|
|
if (streq(sconn->name, "%default"))
|
|
continue;
|
|
|
|
DBG(DBG_CONTROL,
|
|
DBG_log("Loading conn '%s'", sconn->name)
|
|
)
|
|
conn = (starter_conn_t *)alloc_thing(starter_conn_t, "starter_conn_t");
|
|
|
|
conn_default(sconn->name, conn, &cfg->conn_default);
|
|
conn->kw = sconn->kw;
|
|
conn->next = NULL;
|
|
|
|
if (cfg->conn_last)
|
|
cfg->conn_last->next = conn;
|
|
cfg->conn_last = conn;
|
|
if (!cfg->conn_first)
|
|
cfg->conn_first = conn;
|
|
|
|
load_conn(conn, conn->kw, cfg);
|
|
}
|
|
|
|
/* in the second round do not parse also statements */
|
|
cfg->parse_also = FALSE;
|
|
|
|
for (ca = cfg->ca_first; ca; ca = ca->next)
|
|
{
|
|
ca->visit = ++visit;
|
|
load_also_cas(ca, ca->also, cfg);
|
|
|
|
if (ca->startup != STARTUP_NO)
|
|
ca->state = STATE_TO_ADD;
|
|
}
|
|
|
|
for (conn = cfg->conn_first; conn; conn = conn->next)
|
|
{
|
|
conn->visit = ++visit;
|
|
load_also_conns(conn, conn->also, cfg);
|
|
|
|
if (conn->startup != STARTUP_NO)
|
|
conn->state = STATE_TO_ADD;
|
|
}
|
|
|
|
parser_free_conf(cfgp);
|
|
|
|
if (cfg->err)
|
|
{
|
|
plog("### %d parsing error%s ###", cfg->err, (cfg->err > 1)?"s":"");
|
|
confread_free(cfg);
|
|
cfg = NULL;
|
|
}
|
|
|
|
return cfg;
|
|
}
|
|
|
|
/*
|
|
* free the memory used by also_t objects
|
|
*/
|
|
static void
|
|
free_also(also_t *head)
|
|
{
|
|
while (head != NULL)
|
|
{
|
|
also_t *also = head;
|
|
|
|
head = also->next;
|
|
pfree(also->name);
|
|
pfree(also);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* free the memory used by a starter_conn_t object
|
|
*/
|
|
static void
|
|
confread_free_conn(starter_conn_t *conn)
|
|
{
|
|
free_args(KW_END_FIRST, KW_END_LAST, (char *)&conn->left);
|
|
free_args(KW_END_FIRST, KW_END_LAST, (char *)&conn->right);
|
|
free_args(KW_CONN_NAME, KW_CONN_LAST, (char *)conn);
|
|
free_also(conn->also);
|
|
}
|
|
|
|
/*
|
|
* free the memory used by a starter_ca_t object
|
|
*/
|
|
static void
|
|
confread_free_ca(starter_ca_t *ca)
|
|
{
|
|
free_args(KW_CA_NAME, KW_CA_LAST, (char *)ca);
|
|
free_also(ca->also);
|
|
}
|
|
|
|
/*
|
|
* free the memory used by a starter_config_t object
|
|
*/
|
|
void
|
|
confread_free(starter_config_t *cfg)
|
|
{
|
|
starter_conn_t *conn = cfg->conn_first;
|
|
starter_ca_t *ca = cfg->ca_first;
|
|
|
|
free_args(KW_SETUP_FIRST, KW_SETUP_LAST, (char *)cfg);
|
|
|
|
confread_free_conn(&cfg->conn_default);
|
|
|
|
while (conn != NULL)
|
|
{
|
|
starter_conn_t *conn_aux = conn;
|
|
|
|
conn = conn->next;
|
|
confread_free_conn(conn_aux);
|
|
pfree(conn_aux);
|
|
}
|
|
|
|
confread_free_ca(&cfg->ca_default);
|
|
|
|
while (ca != NULL)
|
|
{
|
|
starter_ca_t *ca_aux = ca;
|
|
|
|
ca = ca->next;
|
|
confread_free_ca(ca_aux);
|
|
pfree(ca_aux);
|
|
}
|
|
|
|
pfree(cfg);
|
|
}
|