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-rw-r--r--src/pluto/virtual.c325
1 files changed, 0 insertions, 325 deletions
diff --git a/src/pluto/virtual.c b/src/pluto/virtual.c
deleted file mode 100644
index 3e8d5fcba..000000000
--- a/src/pluto/virtual.c
+++ /dev/null
@@ -1,325 +0,0 @@
-/* FreeS/WAN Virtual IP Management
- * Copyright (C) 2002 Mathieu Lafon - Arkoon Network Security
- *
- * This program is free software; you can redistribute it and/or modify it
- * under the terms of the GNU General Public License as published by the
- * Free Software Foundation; either version 2 of the License, or (at your
- * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
- * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * for more details.
- */
-
-#include <freeswan.h>
-
-#include <stdlib.h>
-#include <string.h>
-#include <sys/queue.h>
-
-#include "constants.h"
-#include "defs.h"
-#include "log.h"
-#include "connections.h"
-#include "whack.h"
-#include "virtual.h"
-
-#define F_VIRTUAL_NO 1
-#define F_VIRTUAL_DHCP 2
-#define F_VIRTUAL_IKE_CONFIG 4
-#define F_VIRTUAL_PRIVATE 8
-#define F_VIRTUAL_ALL 16
-#define F_VIRTUAL_HOST 32
-
-struct virtual_t {
- unsigned short flags;
- unsigned short n_net;
- ip_subnet net[0];
-};
-
-static ip_subnet *private_net_ok=NULL, *private_net_ko=NULL;
-static unsigned short private_net_ok_len=0, private_net_ko_len=0;
-
-/**
- * read %v4:x.x.x.x/y or %v6:xxxxxxxxx/yy
- * or %v4:!x.x.x.x/y if dstko not NULL
- */
-static bool
-_read_subnet(const char *src, size_t len, ip_subnet *dst, ip_subnet *dstko,
- bool *isok)
-{
- bool ok;
- int af;
-
- if ((len > 4) && (strneq(src, "%v4:", 4)))
- {
- af = AF_INET;
- }
- else if ((len > 4) && (strneq(src, "%v6:", 4)))
- {
- af = AF_INET6;
- }
- else
- {
- return FALSE;
- }
-
- ok = (src[4] != '!');
- src += ok ? 4 : 5;
- len -= ok ? 4 : 5;
-
- if (!len)
- return FALSE;
- if (!ok && !dstko)
- return FALSE;
-
- passert ( ((ok)?(dst):(dstko))!=NULL );
-
- if (ttosubnet(src, len, af, ((ok)?(dst):(dstko))))
- {
- return FALSE;
- }
- if (isok)
- *isok = ok;
- return TRUE;
-}
-
-void
-init_virtual_ip(const char *private_list)
-{
- const char *next, *str=private_list;
- unsigned short ign = 0, i_ok, i_ko;
- ip_subnet sub;
- bool ok;
-
- /** Count **/
- private_net_ok_len=0;
- private_net_ko_len=0;
-
- while (str)
- {
- next = strchr(str,',');
- if (!next)
- next = str + strlen(str);
- if (_read_subnet(str, next-str, &sub, &sub, &ok))
- if (ok)
- private_net_ok_len++;
- else
- private_net_ko_len++;
- else
- ign++;
- str = *next ? next+1 : NULL;
- }
-
- if (!ign)
- {
- /** Allocate **/
- if (private_net_ok_len)
- {
- private_net_ok = (ip_subnet *)malloc(private_net_ok_len * sizeof(ip_subnet));
- }
- if (private_net_ko_len)
- {
- private_net_ko = (ip_subnet *)malloc(private_net_ko_len * sizeof(ip_subnet));
- }
- if ((private_net_ok_len && !private_net_ok)
- || (private_net_ko_len && !private_net_ko))
- {
- loglog(RC_LOG_SERIOUS,
- "can't alloc in init_virtual_ip");
- free(private_net_ok);
- private_net_ok = NULL;
- free(private_net_ko);
- private_net_ko = NULL;
- }
- else
- {
- /** Fill **/
- str = private_list;
- i_ok = 0;
- i_ko = 0;
-
- while (str)
- {
- next = strchr(str,',');
- if (!next)
- next = str + strlen(str);
- if (_read_subnet(str, next-str,
- &(private_net_ok[i_ok]), &(private_net_ko[i_ko]), &ok))
- {
- if (ok)
- i_ok++;
- else
- i_ko++;
- }
- str = *next ? next+1 : NULL;
- }
- }
- }
- else
- loglog(RC_LOG_SERIOUS,
- "%d bad entries in virtual_private - none loaded", ign);
-}
-
-/**
- * virtual string must be :
- * {vhost,vnet}:[%method]*
- *
- * vhost = accept only a host (/32)
- * vnet = accept any network
- *
- * %no = no virtual IP (accept public IP)
- * %dhcp = accept DHCP SA (0.0.0.0/0) of affected IP [not implemented]
- * %ike = accept affected IKE Config Mode IP [not implemented]
- * %priv = accept system-wide private net list
- * %v4:x = accept ipv4 in list 'x'
- * %v6:x = accept ipv6 in list 'x'
- * %all = accept all ips [only for testing]
- *
- * ex: vhost:%no,%dhcp,%priv,%v4:192.168.1.0/24
- */
-struct virtual_t
-*create_virtual(const connection_t *c, const char *string)
-{
- unsigned short flags=0, n_net=0, i;
- const char *str = string, *next, *first_net=NULL;
- ip_subnet sub;
- struct virtual_t *v;
-
- if (!string || string[0] == '\0')
- return NULL;
-
- if (strlen(string) >= 6 && strneq(string,"vhost:",6))
- {
- flags |= F_VIRTUAL_HOST;
- str += 6;
- }
- else if (strlen(string) >= 5 && strneq(string,"vnet:",5))
- str += 5;
- else
- goto fail;
-
- /**
- * Parse string : fill flags & count subnets
- */
- while ((str) && (*str))
- {
- next = strchr(str,',');
- if (!next) next = str + strlen(str);
- if (next-str == 3 && strneq(str, "%no", 3))
- flags |= F_VIRTUAL_NO;
-#if 0
- else if (next-str == 4 && strneq(str, "%ike", 4))
- flags |= F_VIRTUAL_IKE_CONFIG;
- else if (next-str == 5 && strneq(str, "%dhcp", 5))
- flags |= F_VIRTUAL_DHCP;
-#endif
- else if (next-str == 5 && strneq(str, "%priv", 5))
- flags |= F_VIRTUAL_PRIVATE;
- else if (next-str == 4 && strneq(str, "%all", 4))
- flags |= F_VIRTUAL_ALL;
- else if (_read_subnet(str, next-str, &sub, NULL, NULL))
- {
- n_net++;
- if (!first_net)
- first_net = str;
- }
- else
- goto fail;
-
- str = *next ? next+1 : NULL;
- }
-
- v = (struct virtual_t *)malloc(sizeof(struct virtual_t) +
- (n_net * sizeof(ip_subnet)));
- if (!v) goto fail;
-
- v->flags = flags;
- v->n_net = n_net;
- if (n_net && first_net)
- {
- /**
- * Save subnets in newly allocated struct
- */
- for (str = first_net, i = 0; str && *str; )
- {
- next = strchr(str,',');
- if (!next) next = str + strlen(str);
- if (_read_subnet(str, next-str, &(v->net[i]), NULL, NULL))
- i++;
- str = *next ? next+1 : NULL;
- }
- }
-
- return v;
-
-fail:
- plog("invalid virtual string [%s] - "
- "virtual selection disabled for connection '%s'", string, c->name);
- return NULL;
-}
-
-bool
-is_virtual_end(const struct end *that)
-{
- return ((that->virt)?TRUE:FALSE);
-}
-
-bool
-is_virtual_connection(const connection_t *c)
-{
- return ((c->spd.that.virt)?TRUE:FALSE);
-}
-
-static bool net_in_list(const ip_subnet *peer_net, const ip_subnet *list,
- unsigned short len)
-{
- unsigned short i;
-
- if (!list || !len)
- return FALSE;
-
- for (i = 0; i < len; i++)
- {
- if (subnetinsubnet(peer_net, &(list[i])))
- return TRUE;
- }
- return FALSE;
-}
-
-bool is_virtual_net_allowed(const connection_t *c, const ip_subnet *peer_net,
- const ip_address *his_addr)
-{
- if (c->spd.that.virt == NULL)
- return FALSE;
-
- if ((c->spd.that.virt->flags & F_VIRTUAL_HOST)
- && !subnetishost(peer_net))
- return FALSE;
-
- if ((c->spd.that.virt->flags & F_VIRTUAL_NO)
- && subnetishost(peer_net) && addrinsubnet(his_addr, peer_net))
- return TRUE;
-
- if ((c->spd.that.virt->flags & F_VIRTUAL_PRIVATE)
- && net_in_list(peer_net, private_net_ok, private_net_ok_len)
- && !net_in_list(peer_net, private_net_ko, private_net_ko_len))
- return TRUE;
-
- if (c->spd.that.virt->n_net
- && net_in_list(peer_net, c->spd.that.virt->net, c->spd.that.virt->n_net))
- return TRUE;
-
- if (c->spd.that.virt->flags & F_VIRTUAL_ALL)
- {
- /** %all must only be used for testing - log it **/
- loglog(RC_LOG_SERIOUS, "Warning - "
- "v%s:%%all must only be used for testing",
- (c->spd.that.virt->flags & F_VIRTUAL_HOST) ? "host" : "net");
- return TRUE;
- }
-
- return FALSE;
-}
-
generated by cgit v1.2.3 (git 2.39.1) at 2024-09-21 17:38:41 +0000