Imported Upstream version 5.0.1

1 files changed, 0 insertions, 728 deletions

diff --git a/src/pluto/rcv_whack.c b/src/pluto/rcv_whack.c
deleted file mode 100644
index 0a7b33ab5..000000000
--- a/src/pluto/rcv_whack.c
+++ /dev/null
@@ -1,728 +0,0 @@
-/* whack communicating routines
- * Copyright (C) 1997 Angelos D. Keromytis.
- * Copyright (C) 1998-2001  D. Hugh Redelmeier.
- *
- * 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 <stdio.h>
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <sys/un.h>
-#include <netinet/in.h>
-#include <arpa/inet.h>
-#include <resolv.h>
-#include <arpa/nameser.h>       /* missing from <resolv.h> on old systems */
-#include <sys/queue.h>
-#include <fcntl.h>
-
-#include <freeswan.h>
-
-#include "constants.h"
-#include "defs.h"
-#include "ca.h"
-#include "certs.h"
-#include "ac.h"
-#include "smartcard.h"
-#include "connections.h"
-#include "foodgroups.h"
-#include "whack.h"      /* needs connections.h */
-#include "packet.h"
-#include "demux.h"      /* needs packet.h */
-#include "state.h"
-#include "ipsec_doi.h"  /* needs demux.h and state.h */
-#include "kernel.h"
-#include "rcv_whack.h"
-#include "log.h"
-#include "keys.h"
-#include "adns.h"       /* needs <resolv.h> */
-#include "dnskey.h"     /* needs keys.h and adns.h */
-#include "server.h"
-#include "fetch.h"
-#include "ocsp.h"
-#include "crl.h"
-#include "myid.h"
-#include "kernel_alg.h"
-#include "ike_alg.h"
-#include "plugin_list.h"
-#include "whack_attribute.h"
-
-/* helper variables and function to decode strings from whack message */
-
-static char *next_str
-	, *str_roof;
-
-static bool unpack_str(char **p)
-{
-	char *end = memchr(next_str, '\0', str_roof - next_str);
-
-	if (end == NULL)
-	{
-		return FALSE;   /* fishy: no end found */
-	}
-	else
-	{
-		*p = next_str == end? NULL : next_str;
-		next_str = end + 1;
-		return TRUE;
-	}
-}
-
-/* bits loading keys from asynchronous DNS */
-
-enum key_add_attempt {
-	ka_TXT,
-#ifdef USE_KEYRR
-	ka_KEY,
-#endif
-	ka_roof     /* largest value + 1 */
-};
-
-struct key_add_common {
-	int refCount;
-	char *diag[ka_roof];
-	int whack_fd;
-	bool success;
-};
-
-struct key_add_continuation {
-	struct adns_continuation ac;        /* common prefix */
-	struct key_add_common *common;      /* common data */
-	enum key_add_attempt lookingfor;
-};
-
-static void key_add_ugh(identification_t *keyid, err_t ugh)
-{
-	loglog(RC_NOKEY, "failure to fetch key for %'Y' from DNS: %s", keyid, ugh);
-}
-
-/* last one out: turn out the lights */
-static void key_add_merge(struct key_add_common *oc, identification_t *keyid)
-{
-	if (oc->refCount == 0)
-	{
-		enum key_add_attempt kaa;
-
-		/* if no success, print all diagnostics */
-		if (!oc->success)
-		{
-			for (kaa = ka_TXT; kaa != ka_roof; kaa++)
-			{
-				key_add_ugh(keyid, oc->diag[kaa]);
-			}
-		}
-		for (kaa = ka_TXT; kaa != ka_roof; kaa++)
-		{
-			free(oc->diag[kaa]);
-		}
-		close(oc->whack_fd);
-		free(oc);
-	}
-}
-
-#ifdef ADNS
-
-static void key_add_continue(struct adns_continuation *ac, err_t ugh)
-{
-	struct key_add_continuation *kc = (void *) ac;
-	struct key_add_common *oc = kc->common;
-
-	passert(whack_log_fd == NULL_FD);
-	whack_log_fd = oc->whack_fd;
-
-	if (ugh != NULL)
-	{
-		oc->diag[kc->lookingfor] = clone_str(ugh);
-	}
-	else
-	{
-		oc->success = TRUE;
-		transfer_to_public_keys(kc->ac.gateways_from_dns
-#ifdef USE_KEYRR
-			, &kc->ac.keys_from_dns
-#endif /* USE_KEYRR */
-			);
-	}
-
-	oc->refCount--;
-	key_add_merge(oc, ac->id);
-	whack_log_fd = NULL_FD;
-}
-
-#endif /* ADNS */
-
-static void key_add_request(const whack_message_t *msg)
-{
-	identification_t *key_id;
-
-	key_id = identification_create_from_string(msg->keyid);
-
-	if (!msg->whack_addkey)
-	{
-		delete_public_keys(key_id, msg->pubkey_alg, NULL, chunk_empty);
-	}
-	if (msg->keyval.len == 0)
-	{
-		struct key_add_common *oc = malloc_thing(struct key_add_common);
-		enum key_add_attempt kaa;
-		err_t ugh;
-
-		/* initialize state shared by queries */
-		oc->refCount = 0;
-		oc->whack_fd = dup_any(whack_log_fd);
-		oc->success = FALSE;
-
-		for (kaa = ka_TXT; kaa != ka_roof; kaa++)
-		{
-			struct key_add_continuation *kc;
-
-			oc->diag[kaa] = NULL;
-			oc->refCount++;
-			kc = malloc_thing(struct key_add_continuation);
-			kc->common = oc;
-			kc->lookingfor = kaa;
-			ugh = NULL;
-
-			switch (kaa)
-			{
-#ifdef ADNS
-				case ka_TXT:
-					ugh = start_adns_query(key_id
-							, key_id        /* same */
-							, T_TXT
-							, key_add_continue
-							, &kc->ac);
-					break;
-#endif /* ADNS */
-#ifdef USE_KEYRR
-				case ka_KEY:
-					ugh = start_adns_query(key_id
-							, NULL
-							, T_KEY
-							, key_add_continue
-							, &kc->ac);
-					break;
-#endif /* USE_KEYRR */
-				default:
-					bad_case(kaa);      /* suppress gcc warning */
-			}
-			if (ugh)
-			{
-				oc->diag[kaa] = clone_str(ugh);
-				oc->refCount--;
-			}
-		}
-
-		/* Done launching queries. Handle total failure case. */
-		key_add_merge(oc, key_id);
-	}
-	else
-	{
-		if (!add_public_key(key_id, DAL_LOCAL, msg->pubkey_alg, msg->keyval,
-			&pubkeys))
-		{
-			loglog(RC_LOG_SERIOUS, "failed to add public key");
-		}
-	}
-	key_id->destroy(key_id);
-}
-
-/* Handle a kernel request. Supposedly, there's a message in
- * the kernelsock socket.
- */
-void whack_handle(int whackctlfd)
-{
-	whack_message_t msg;
-	struct sockaddr_un whackaddr;
-	int whackaddrlen = sizeof(whackaddr);
-	int whackfd = accept(whackctlfd, (struct sockaddr *)&whackaddr, &whackaddrlen);
-	/* Note: actual value in n should fit in int.  To print, cast to int. */
-	ssize_t n;
-
-	if (whackfd < 0)
-	{
-		log_errno((e, "accept() failed in whack_handle()"));
-		return;
-	}
-	if (fcntl(whackfd, F_SETFD, FD_CLOEXEC) < 0)
-	{
-		log_errno((e, "failed to set CLOEXEC in whack_handle()"));
-		close(whackfd);
-		return;
-	}
-
-	n = read(whackfd, &msg, sizeof(msg));
-
-	if (n == -1)
-	{
-		log_errno((e, "read() failed in whack_handle()"));
-		close(whackfd);
-		return;
-	}
-
-	whack_log_fd = whackfd;
-
-	/* sanity check message */
-	{
-		err_t ugh = NULL;
-
-		next_str = msg.string;
-		str_roof = (char *)&msg + n;
-
-		if ((size_t)n < offsetof(whack_message_t, whack_shutdown) + sizeof(msg.whack_shutdown))
-		{
-			ugh = builddiag("ignoring runt message from whack: got %d bytes", (int)n);
-		}
-		else if (msg.magic != WHACK_MAGIC)
-		{
-			if (msg.magic == WHACK_BASIC_MAGIC)
-			{
-				/* Only shutdown command.  Simpler inter-version compatibility. */
-				if (msg.whack_shutdown)
-				{
-					plog("shutting down");
-					exit_pluto(0);      /* delete lock and leave, with 0 status */
-				}
-				ugh = "";       /* bail early, but without complaint */
-			}
-			else
-			{
-				ugh = builddiag("ignoring message from whack with bad magic %d; should be %d; probably wrong version"
-					, msg.magic, WHACK_MAGIC);
-			}
-		}
-		else if (next_str > str_roof)
-		{
-			ugh = builddiag("ignoring truncated message from whack: got %d bytes; expected %u"
-				, (int) n, (unsigned) sizeof(msg));
-		}
-		else if (!unpack_str(&msg.name)         /* string  1 */
-		|| !unpack_str(&msg.left.id)            /* string  2 */
-		|| !unpack_str(&msg.left.cert)          /* string  3 */
-		|| !unpack_str(&msg.left.ca)            /* string  4 */
-		|| !unpack_str(&msg.left.groups)        /* string  5 */
-		|| !unpack_str(&msg.left.updown)        /* string  6 */
-		|| !unpack_str(&msg.left.sourceip)      /* string  7 */
-		|| !unpack_str(&msg.left.virt)          /* string  8 */
-		|| !unpack_str(&msg.right.id)           /* string  9 */
-		|| !unpack_str(&msg.right.cert)         /* string 10 */
-		|| !unpack_str(&msg.right.ca)           /* string 11 */
-		|| !unpack_str(&msg.right.groups)       /* string 12 */
-		|| !unpack_str(&msg.right.updown)       /* string 13 */
-		|| !unpack_str(&msg.right.sourceip)     /* string 14 */
-		|| !unpack_str(&msg.right.virt)         /* string 15 */
-		|| !unpack_str(&msg.keyid)              /* string 16 */
-		|| !unpack_str(&msg.myid)               /* string 17 */
-		|| !unpack_str(&msg.cacert)             /* string 18 */
-		|| !unpack_str(&msg.ldaphost)           /* string 19 */
-		|| !unpack_str(&msg.ldapbase)           /* string 20 */
-		|| !unpack_str(&msg.crluri)             /* string 21 */
-		|| !unpack_str(&msg.crluri2)            /* string 22 */
-		|| !unpack_str(&msg.ocspuri)            /* string 23 */
-		|| !unpack_str(&msg.ike)                /* string 24 */
-		|| !unpack_str(&msg.esp)                /* string 25 */
-		|| !unpack_str(&msg.sc_data)            /* string 26 */
-		|| !unpack_str(&msg.whack_lease_ip)     /* string 27 */
-		|| !unpack_str(&msg.whack_lease_id)     /* string 28 */
-		|| !unpack_str(&msg.xauth_identity)     /* string 29 */
-		|| str_roof - next_str != (ptrdiff_t)msg.keyval.len)    /* check chunk */
-		{
-			ugh = "message from whack contains bad string";
-		}
-		else
-		{
-			msg.keyval.ptr = next_str;  /* grab chunk */
-		}
-
-		if (ugh != NULL)
-		{
-			if (*ugh != '\0')
-				loglog(RC_BADWHACKMESSAGE, "%s", ugh);
-			whack_log_fd = NULL_FD;
-			close(whackfd);
-			return;
-		}
-	}
-
-	if (msg.whack_options)
-	{
-#ifdef DEBUG
-		if (msg.name == NULL)
-		{
-			/* we do a two-step so that if either old or new would
-			 * cause the message to print, it will be printed.
-			 */
-			cur_debugging |= msg.debugging;
-			DBG(DBG_CONTROL
-				, DBG_log("base debugging = %s"
-					, bitnamesof(debug_bit_names, msg.debugging)));
-			cur_debugging = base_debugging = msg.debugging;
-		}
-		else if (!msg.whack_connection)
-		{
-			connection_t *c = con_by_name(msg.name, TRUE);
-
-			if (c != NULL)
-			{
-				c->extra_debugging = msg.debugging;
-				DBG(DBG_CONTROL
-					, DBG_log("\"%s\" extra_debugging = %s"
-						, c->name
-						, bitnamesof(debug_bit_names, c->extra_debugging)));
-			}
-		}
-#endif
-	}
-
-	if (msg.whack_myid)
-	{
-		set_myid(MYID_SPECIFIED, msg.myid);
-	}
-
-	/* Deleting combined with adding a connection works as replace.
-	 * To make this more useful, in only this combination,
-	 * delete will silently ignore the lack of the connection.
-	 */
-	if (msg.whack_delete)
-	{
-		if (msg.whack_ca)
-		{
-			find_ca_info_by_name(msg.name, TRUE);
-		}
-		else
-		{
-			delete_connections_by_name(msg.name, !msg.whack_connection);
-		}
-	}
-
-	if (msg.whack_deletestate)
-	{
-		struct state *st = state_with_serialno(msg.whack_deletestateno);
-
-		if (st == NULL)
-		{
-			loglog(RC_UNKNOWN_NAME, "no state #%lu to delete"
-				, msg.whack_deletestateno);
-		}
-		else
-		{
-			delete_state(st);
-		}
-	}
-
-	if (msg.whack_crash)
-	{
-		delete_states_by_peer(&msg.whack_crash_peer);
-	}
-
-	if (msg.whack_connection)
-	{
-		add_connection(&msg);
-	}
-
-	if (msg.whack_ca && msg.cacert != NULL)
-	{
-		add_ca_info(&msg);
-	}
-
-	/* process "listen" before any operation that could require it */
-	if (msg.whack_listen)
-	{
-		close_peerlog();    /* close any open per-peer logs */
-		plog("listening for IKE messages");
-		listening = TRUE;
-		daily_log_reset();
-#ifdef ADNS
-		reset_adns_restart_count();
-#endif
-		set_myFQDN();
-		find_ifaces();
-		load_preshared_secrets(NULL_FD);
-		load_groups();
-	}
-	if (msg.whack_unlisten)
-	{
-		plog("no longer listening for IKE messages");
-		listening = FALSE;
-	}
-
-	if (msg.whack_reread & REREAD_SECRETS)
-	{
-		load_preshared_secrets(whackfd);
-	}
-
-	if (msg.whack_reread & REREAD_CACERTS)
-	{
-		load_authcerts("ca", CA_CERT_PATH, X509_CA);
-	}
-
-	if (msg.whack_reread & REREAD_AACERTS)
-	{
-		load_authcerts("aa", AA_CERT_PATH, X509_AA);
-	}
-
-	if (msg.whack_reread & REREAD_OCSPCERTS)
-	{
-		load_authcerts("ocsp", OCSP_CERT_PATH, X509_OCSP_SIGNER);
-	}
-
-	if (msg.whack_reread & REREAD_ACERTS)
-	{
-		ac_load_certs();
-	}
-
-	if (msg.whack_reread & REREAD_CRLS)
-	{
-		load_crls();
-	}
-
-	if (msg.whack_purgeocsp)
-	{
-		free_ocsp_fetch();
-		free_ocsp_cache();
-	}
-
-	if (msg.whack_leases)
-	{
-		list_leases(msg.name, msg.whack_lease_ip, msg.whack_lease_id);
-	}
-
-	if (msg.whack_list & LIST_PUBKEYS)
-	{
-		list_public_keys(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_CERTS)
-	{
-		cert_list(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_CACERTS)
-	{
-		list_authcerts("CA", X509_CA, msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_AACERTS)
-	{
-		list_authcerts("AA", X509_AA, msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_OCSPCERTS)
-	{
-		list_authcerts("OCSP", X509_OCSP_SIGNER, msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_ACERTS)
-	{
-		ac_list_certs(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_CAINFOS)
-	{
-		list_ca_infos(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_CRLS)
-	{
-		list_crls(msg.whack_utc, strict_crl_policy);
-		list_crl_fetch_requests(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_OCSP)
-	{
-		list_ocsp_cache(msg.whack_utc, strict_crl_policy);
-		list_ocsp_fetch_requests(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_CARDS)
-	{
-		scx_list(msg.whack_utc);
-	}
-
-	if (msg.whack_list & LIST_ALGS)
-	{
-		ike_alg_list();
-		kernel_alg_list();
-	}
-
-	if (msg.whack_list & LIST_PLUGINS)
-	{
-		plugin_list();
-	}
-
-	if (msg.whack_key)
-	{
-		/* add a public key */
-		key_add_request(&msg);
-	}
-
-	if (msg.whack_route)
-	{
-		if (!listening)
-		{
-			whack_log(RC_DEAF, "need --listen before --route");
-		}
-		if (msg.name == NULL)
-		{
-			whack_log(RC_UNKNOWN_NAME
-				, "whack --route requires a connection name");
-		}
-		else
-		{
-			connection_t *c = con_by_name(msg.name, TRUE);
-
-			if (c != NULL && c->ikev1)
-			{
-				set_cur_connection(c);
-				if (!oriented(*c))
-				{
-					whack_log(RC_ORIENT
-						, "we have no ipsecN interface for either end of this connection");
-				}
-				else if (c->policy & POLICY_GROUP)
-				{
-					route_group(c);
-				}
-				else if (!trap_connection(c))
-				{
-					whack_log(RC_ROUTE, "could not route");
-				}
-				reset_cur_connection();
-			}
-		}
-	}
-
-	if (msg.whack_unroute)
-	{
-		if (msg.name == NULL)
-		{
-			whack_log(RC_UNKNOWN_NAME
-				, "whack --unroute requires a connection name");
-		}
-		else
-		{
-			connection_t *c = con_by_name(msg.name, TRUE);
-
-			if (c != NULL && c->ikev1)
-			{
-				struct spd_route *sr;
-				int fail = 0;
-
-				set_cur_connection(c);
-
-				for (sr = &c->spd; sr != NULL; sr = sr->next)
-				{
-					if (sr->routing >= RT_ROUTED_TUNNEL)
-					{
-						fail++;
-					}
-				}
-				if (fail > 0)
-				{
-					whack_log(RC_RTBUSY, "cannot unroute: route busy");
-				}
-				else if (c->policy & POLICY_GROUP)
-				{
-					unroute_group(c);
-				}
-				else
-				{
-					unroute_connection(c);
-				}
-				reset_cur_connection();
-			}
-		}
-	}
-
-	if (msg.whack_initiate)
-	{
-		if (!listening)
-		{
-			whack_log(RC_DEAF, "need --listen before --initiate");
-		}
-		else if (msg.name == NULL)
-		{
-			whack_log(RC_UNKNOWN_NAME
-				, "whack --initiate requires a connection name");
-		}
-		else
-		{
-			initiate_connection(msg.name
-				, msg.whack_async? NULL_FD : dup_any(whackfd));
-		}
-	}
-
-	if (msg.whack_oppo_initiate)
-	{
-		if (!listening)
-		{
-			whack_log(RC_DEAF, "need --listen before opportunistic initiation");
-		}
-		else
-		{
-			initiate_opportunistic(&msg.oppo_my_client, &msg.oppo_peer_client, 0
-				, FALSE
-				, msg.whack_async? NULL_FD : dup_any(whackfd));
-		}
-	}
-
-	if (msg.whack_terminate)
-	{
-		if (msg.name == NULL)
-		{
-			whack_log(RC_UNKNOWN_NAME
-				, "whack --terminate requires a connection name");
-		}
-		else
-		{
-			terminate_connection(msg.name);
-		}
-	}
-
-	if (msg.whack_status)
-	{
-		show_status(msg.whack_statusall, msg.name);
-	}
-
-	if (msg.whack_shutdown)
-	{
-		plog("shutting down");
-		exit_pluto(0);  /* delete lock and leave, with 0 status */
-	}
-
-	if (msg.whack_sc_op != SC_OP_NONE)
-	{
-		if (pkcs11_proxy)
-		{
-			scx_op_via_whack(msg.sc_data, msg.inbase, msg.outbase
-						   , msg.whack_sc_op, msg.keyid, whackfd);
-		}
-		else
-		{
-		   plog("pkcs11 access to smartcard not allowed (set pkcs11proxy=yes)");
-		}
-	}
-
-	whack_log_fd = NULL_FD;
-	close(whackfd);
-}
-
-/*
- * Local Variables:
- * c-basic-offset:4
- * c-style: pluto
- * End:
- */