diff options
Diffstat (limited to 'src/charon/kernel')
| -rw-r--r-- | src/charon/kernel/kernel_interface.c | 53 | ||||
| -rw-r--r-- | src/charon/kernel/kernel_interface.h | 106 | ||||
| -rw-r--r-- | src/charon/kernel/kernel_ipsec.c | 2 | ||||
| -rw-r--r-- | src/charon/kernel/kernel_ipsec.h | 82 | ||||
| -rw-r--r-- | src/charon/kernel/kernel_net.h | 26 |
5 files changed, 134 insertions, 135 deletions
diff --git a/src/charon/kernel/kernel_interface.c b/src/charon/kernel/kernel_interface.c index 53ae1d200..99bf94e9b 100644 --- a/src/charon/kernel/kernel_interface.c +++ b/src/charon/kernel/kernel_interface.c @@ -1,5 +1,5 @@ /* - * Copyright (C) 2008 Tobias Brunner + * Copyright (C) 2008-2009 Tobias Brunner * Hochschule fuer Technik Rapperswil * * This program is free software; you can redistribute it and/or modify it @@ -15,8 +15,6 @@ #include "kernel_interface.h" -#include <pthread.h> - #include <daemon.h> typedef struct private_kernel_interface_t private_kernel_interface_t; @@ -30,12 +28,12 @@ struct private_kernel_interface_t { * Public part of kernel_interface_t object. */ kernel_interface_t public; - + /** * ipsec interface */ kernel_ipsec_t *ipsec; - + /** * network interface */ @@ -45,7 +43,7 @@ struct private_kernel_interface_t { /** * Implementation of kernel_interface_t.get_spi */ -static status_t get_spi(private_kernel_interface_t *this, host_t *src, host_t *dst, +static status_t get_spi(private_kernel_interface_t *this, host_t *src, host_t *dst, protocol_id_t protocol, u_int32_t reqid, u_int32_t *spi) { if (!this->ipsec) @@ -58,7 +56,7 @@ static status_t get_spi(private_kernel_interface_t *this, host_t *src, host_t *d /** * Implementation of kernel_interface_t.get_cpi */ -static status_t get_cpi(private_kernel_interface_t *this, host_t *src, host_t *dst, +static status_t get_cpi(private_kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t reqid, u_int16_t *cpi) { if (!this->ipsec) @@ -73,26 +71,27 @@ static status_t get_cpi(private_kernel_interface_t *this, host_t *src, host_t *d */ static status_t add_sa(private_kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, - u_int64_t expire_soft, u_int64_t expire_hard, + lifetime_cfg_t *lifetime, u_int16_t enc_alg, chunk_t enc_key, u_int16_t int_alg, chunk_t int_key, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, bool encap, - bool inbound) + bool inbound, traffic_selector_t *src_ts, + traffic_selector_t *dst_ts) { if (!this->ipsec) { return NOT_SUPPORTED; } return this->ipsec->add_sa(this->ipsec, src, dst, spi, protocol, reqid, - expire_soft, expire_hard, enc_alg, enc_key, int_alg, int_key, - mode, ipcomp, cpi, encap, inbound); + lifetime, enc_alg, enc_key, int_alg, int_key, mode, ipcomp, cpi, + encap, inbound, src_ts, dst_ts); } /** * Implementation of kernel_interface_t.update_sa */ static status_t update_sa(private_kernel_interface_t *this, u_int32_t spi, - protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, + protocol_id_t protocol, u_int16_t cpi, host_t *src, host_t *dst, host_t *new_src, host_t *new_dst, bool encap, bool new_encap) { if (!this->ipsec) @@ -289,13 +288,13 @@ static status_t get_address_by_ts(private_kernel_interface_t *this, host_t *host; int family; bool found = FALSE; - + DBG2(DBG_KNL, "getting a local address in traffic selector %R", ts); - + /* if we have a family which includes localhost, we do not * search for an IP, we use the default */ family = ts->get_type(ts) == TS_IPV4_ADDR_RANGE ? AF_INET : AF_INET6; - + if (family == AF_INET) { host = host_create_from_string("127.0.0.1", 0); @@ -304,7 +303,7 @@ static status_t get_address_by_ts(private_kernel_interface_t *this, { host = host_create_from_string("::1", 0); } - + if (ts->includes(ts, host)) { *ip = host_create_any(family); @@ -313,7 +312,7 @@ static status_t get_address_by_ts(private_kernel_interface_t *this, return SUCCESS; } host->destroy(host); - + addrs = create_address_enumerator(this, TRUE, TRUE); while (addrs->enumerate(addrs, (void**)&host)) { @@ -325,13 +324,13 @@ static status_t get_address_by_ts(private_kernel_interface_t *this, } } addrs->destroy(addrs); - + if (!found) { DBG1(DBG_KNL, "no local address found in traffic selector %R", ts); return FAILED; } - + DBG2(DBG_KNL, "using host %H", *ip); return SUCCESS; } @@ -395,17 +394,17 @@ static void destroy(private_kernel_interface_t *this) kernel_interface_t *kernel_interface_create() { private_kernel_interface_t *this = malloc_thing(private_kernel_interface_t); - + this->public.get_spi = (status_t(*)(kernel_interface_t*,host_t*,host_t*,protocol_id_t,u_int32_t,u_int32_t*))get_spi; this->public.get_cpi = (status_t(*)(kernel_interface_t*,host_t*,host_t*,u_int32_t,u_int16_t*))get_cpi; - this->public.add_sa = (status_t(*)(kernel_interface_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,u_int64_t,u_int64_t,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool))add_sa; + this->public.add_sa = (status_t(*)(kernel_interface_t *,host_t*,host_t*,u_int32_t,protocol_id_t,u_int32_t,lifetime_cfg_t*,u_int16_t,chunk_t,u_int16_t,chunk_t,ipsec_mode_t,u_int16_t,u_int16_t,bool,bool,traffic_selector_t*,traffic_selector_t*))add_sa; this->public.update_sa = (status_t(*)(kernel_interface_t*,u_int32_t,protocol_id_t,u_int16_t,host_t*,host_t*,host_t*,host_t*,bool,bool))update_sa; this->public.query_sa = (status_t(*)(kernel_interface_t*,host_t*,host_t*,u_int32_t,protocol_id_t,u_int64_t*))query_sa; this->public.del_sa = (status_t(*)(kernel_interface_t*,host_t*,host_t*,u_int32_t,protocol_id_t,u_int16_t))del_sa; this->public.add_policy = (status_t(*)(kernel_interface_t*,host_t*,host_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t,protocol_id_t,u_int32_t,ipsec_mode_t,u_int16_t,u_int16_t,bool))add_policy; this->public.query_policy = (status_t(*)(kernel_interface_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,u_int32_t*))query_policy; this->public.del_policy = (status_t(*)(kernel_interface_t*,traffic_selector_t*,traffic_selector_t*,policy_dir_t,bool))del_policy; - + this->public.get_source_addr = (host_t*(*)(kernel_interface_t*, host_t *dest, host_t *src))get_source_addr; this->public.get_nexthop = (host_t*(*)(kernel_interface_t*, host_t *dest))get_nexthop; this->public.get_interface = (char*(*)(kernel_interface_t*,host_t*))get_interface; @@ -414,18 +413,18 @@ kernel_interface_t *kernel_interface_create() this->public.del_ip = (status_t(*)(kernel_interface_t*,host_t*)) del_ip; this->public.add_route = (status_t(*)(kernel_interface_t*,chunk_t,u_int8_t,host_t*,host_t*,char*)) add_route; this->public.del_route = (status_t(*)(kernel_interface_t*,chunk_t,u_int8_t,host_t*,host_t*,char*)) del_route; - + this->public.get_address_by_ts = (status_t(*)(kernel_interface_t*,traffic_selector_t*,host_t**))get_address_by_ts; - + this->public.add_ipsec_interface = (void(*)(kernel_interface_t*, kernel_ipsec_constructor_t))add_ipsec_interface; this->public.remove_ipsec_interface = (void(*)(kernel_interface_t*, kernel_ipsec_constructor_t))remove_ipsec_interface; this->public.add_net_interface = (void(*)(kernel_interface_t*, kernel_net_constructor_t))add_net_interface; this->public.remove_net_interface = (void(*)(kernel_interface_t*, kernel_net_constructor_t))remove_net_interface; - + this->public.destroy = (void (*)(kernel_interface_t*))destroy; - + this->ipsec = NULL; this->net = NULL; - + return &this->public; } diff --git a/src/charon/kernel/kernel_interface.h b/src/charon/kernel/kernel_interface.h index c4a273a34..c39246e72 100644 --- a/src/charon/kernel/kernel_interface.h +++ b/src/charon/kernel/kernel_interface.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2008 Tobias Brunner + * Copyright (C) 2006-2009 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter @@ -45,7 +45,7 @@ typedef kernel_net_t* (*kernel_net_constructor_t)(void); /** * Manager and wrapper for different kernel interfaces. - * + * * The kernel interface handles the communication with the kernel * for SA and policy management and interface and IP address management. */ @@ -61,39 +61,36 @@ struct kernel_interface_t { * @param spi allocated spi * @return SUCCESS if operation completed */ - status_t (*get_spi)(kernel_interface_t *this, host_t *src, host_t *dst, + status_t (*get_spi)(kernel_interface_t *this, host_t *src, host_t *dst, protocol_id_t protocol, u_int32_t reqid, u_int32_t *spi); - + /** * Get a Compression Parameter Index (CPI) from the kernel. - * + * * @param src source address of SA * @param dst destination address of SA * @param reqid unique ID for the corresponding SA * @param cpi allocated cpi * @return SUCCESS if operation completed */ - status_t (*get_cpi)(kernel_interface_t *this, host_t *src, host_t *dst, + status_t (*get_cpi)(kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t reqid, u_int16_t *cpi); - + /** * Add an SA to the SAD. - * + * * add_sa() may update an already allocated * SPI (via get_spi). In this case, the replace * flag must be set. * This function does install a single SA for a - * single protocol in one direction. The kernel-interface - * gets the keys itself from the PRF, as we don't know - * his algorithms and key sizes. - * + * single protocol in one direction. + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer * @param protocol protocol for this SA (ESP/AH) * @param reqid unique ID for this SA - * @param expire_soft lifetime in seconds before rekeying - * @param expire_hard lifetime in seconds before delete + * @param lifetime lifetime_cfg_t for this SA * @param enc_alg Algorithm to use for encryption (ESP only) * @param enc_key key to use for encryption * @param int_alg Algorithm to use for integrity protection @@ -103,17 +100,20 @@ struct kernel_interface_t { * @param cpi CPI for IPComp * @param encap enable UDP encapsulation for NAT traversal * @param inbound TRUE if this is an inbound SA + * @param src_ts traffic selector with BEET source address + * @param dst_ts traffic selector with BEET destination address * @return SUCCESS if operation completed */ status_t (*add_sa) (kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, - u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, chunk_t enc_key, - u_int16_t int_alg, chunk_t int_key, + lifetime_cfg_t *lifetime, + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, - bool encap, bool inbound); - + bool encap, bool inbound, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts); + /** * Update the hosts on an installed SA. * @@ -132,17 +132,17 @@ struct kernel_interface_t { * @param encap current use of UDP encapsulation * @param new_encap new use of UDP encapsulation * @return SUCCESS if operation completed, NOT_SUPPORTED if - * the kernel interface can't update the SA + * the kernel interface can't update the SA */ status_t (*update_sa)(kernel_interface_t *this, u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, - host_t *src, host_t *dst, + host_t *src, host_t *dst, host_t *new_src, host_t *new_dst, bool encap, bool new_encap); - + /** * Query the number of bytes processed by an SA from the SAD. - * + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer @@ -152,10 +152,10 @@ struct kernel_interface_t { */ status_t (*query_sa) (kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int64_t *bytes); - + /** * Delete a previously installed SA from the SAD. - * + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer @@ -165,13 +165,13 @@ struct kernel_interface_t { */ status_t (*del_sa) (kernel_interface_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int16_t cpi); - + /** * Add a policy to the SPD. - * + * * A policy is always associated to an SA. Traffic which matches a * policy is handled by the SA with the same reqid. - * + * * @param src source address of SA * @param dst dest address of SA * @param src_ts traffic selector to match traffic source @@ -194,13 +194,13 @@ struct kernel_interface_t { protocol_id_t protocol, u_int32_t reqid, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, bool routed); - + /** * Query the use time of a policy. * * The use time of a policy is the time the policy was used * for the last time. - * + * * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD @@ -208,10 +208,10 @@ struct kernel_interface_t { * @return SUCCESS if operation completed */ status_t (*query_policy) (kernel_interface_t *this, - traffic_selector_t *src_ts, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t *use_time); - + /** * Remove a policy from the SPD. * @@ -227,11 +227,11 @@ struct kernel_interface_t { * @return SUCCESS if operation completed */ status_t (*del_policy) (kernel_interface_t *this, - traffic_selector_t *src_ts, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts, policy_dir_t direction, bool unrouted); - + /** * Get our outgoing source address for a destination. * @@ -246,7 +246,7 @@ struct kernel_interface_t { */ host_t* (*get_source_addr)(kernel_interface_t *this, host_t *dest, host_t *src); - + /** * Get the next hop for a destination. * @@ -257,7 +257,7 @@ struct kernel_interface_t { * @return next hop address, NULL if unreachable */ host_t* (*get_nexthop)(kernel_interface_t *this, host_t *dest); - + /** * Get the interface name of a local address. * @@ -265,21 +265,21 @@ struct kernel_interface_t { * @return allocated interface name, or NULL if not found */ char* (*get_interface) (kernel_interface_t *this, host_t *host); - + /** * Creates an enumerator over all local addresses. - * + * * This function blocks an internal cached address list until the * enumerator gets destroyed. * The hosts are read-only, do not modify of free. - * + * * @param include_down_ifaces TRUE to enumerate addresses from down interfaces * @param include_virtual_ips TRUE to enumerate virtual ip addresses * @return enumerator over host_t's */ enumerator_t *(*create_address_enumerator) (kernel_interface_t *this, bool include_down_ifaces, bool include_virtual_ips); - + /** * Add a virtual IP to an interface. * @@ -294,7 +294,7 @@ struct kernel_interface_t { */ status_t (*add_ip) (kernel_interface_t *this, host_t *virtual_ip, host_t *iface_ip); - + /** * Remove a virtual IP from an interface. * @@ -304,10 +304,10 @@ struct kernel_interface_t { * @return SUCCESS if operation completed */ status_t (*del_ip) (kernel_interface_t *this, host_t *virtual_ip); - + /** * Add a route. - * + * * @param dst_net destination net * @param prefixlen destination net prefix length * @param gateway gateway for this route @@ -318,10 +318,10 @@ struct kernel_interface_t { */ status_t (*add_route) (kernel_interface_t *this, chunk_t dst_net, u_int8_t prefixlen, host_t *gateway, host_t *src_ip, char *if_name); - + /** * Delete a route. - * + * * @param dst_net destination net * @param prefixlen destination net prefix length * @param gateway gateway for this route @@ -331,50 +331,50 @@ struct kernel_interface_t { */ status_t (*del_route) (kernel_interface_t *this, chunk_t dst_net, u_int8_t prefixlen, host_t *gateway, host_t *src_ip, char *if_name); - + /** * manager methods */ - + /** * Tries to find an ip address of a local interface that is included in the * supplied traffic selector. - * + * * @param ts traffic selector * @param ip returned ip (has to be destroyed) * @return SUCCESS if address found */ status_t (*get_address_by_ts) (kernel_interface_t *this, traffic_selector_t *ts, host_t **ip); - + /** * Register an ipsec kernel interface constructor on the manager. * * @param create constructor to register */ void (*add_ipsec_interface)(kernel_interface_t *this, kernel_ipsec_constructor_t create); - + /** * Unregister an ipsec kernel interface constructor. * * @param create constructor to unregister */ void (*remove_ipsec_interface)(kernel_interface_t *this, kernel_ipsec_constructor_t create); - + /** * Register a network kernel interface constructor on the manager. * * @param create constructor to register */ void (*add_net_interface)(kernel_interface_t *this, kernel_net_constructor_t create); - + /** * Unregister a network kernel interface constructor. * * @param create constructor to unregister */ void (*remove_net_interface)(kernel_interface_t *this, kernel_net_constructor_t create); - + /** * Destroys a kernel_interface_manager_t object. */ diff --git a/src/charon/kernel/kernel_ipsec.c b/src/charon/kernel/kernel_ipsec.c index 45eef4907..5b0335b16 100644 --- a/src/charon/kernel/kernel_ipsec.c +++ b/src/charon/kernel/kernel_ipsec.c @@ -18,8 +18,6 @@ ENUM(ipsec_mode_names, MODE_TRANSPORT, MODE_BEET, "TRANSPORT", "TUNNEL", - "2", - "3", "BEET", ); diff --git a/src/charon/kernel/kernel_ipsec.h b/src/charon/kernel/kernel_ipsec.h index d6438c197..73ad29b0e 100644 --- a/src/charon/kernel/kernel_ipsec.h +++ b/src/charon/kernel/kernel_ipsec.h @@ -1,5 +1,5 @@ /* - * Copyright (C) 2006-2008 Tobias Brunner + * Copyright (C) 2006-2009 Tobias Brunner * Copyright (C) 2006 Daniel Roethlisberger * Copyright (C) 2005-2006 Martin Willi * Copyright (C) 2005 Jan Hutter @@ -30,7 +30,8 @@ typedef struct kernel_ipsec_t kernel_ipsec_t; #include <utils/host.h> #include <crypto/prf_plus.h> -#include <encoding/payloads/proposal_substructure.h> +#include <config/proposal.h> +#include <config/child_cfg.h> /** * Mode of a CHILD_SA. @@ -70,9 +71,9 @@ extern enum_name_t *policy_dir_names; /** * Interface to the ipsec subsystem of the kernel. - * + * * The kernel ipsec interface handles the communication with the kernel - * for SA and policy management. It allows setup of these, and provides + * for SA and policy management. It allows setup of these, and provides * further the handling of kernel events. * Policy information are cached in the interface. This is necessary to do * reference counting. The Linux kernel does not allow the same policy @@ -80,7 +81,7 @@ extern enum_name_t *policy_dir_names; * when rekeying. Thats why we do reference counting of policies. */ struct kernel_ipsec_t { - + /** * Get a SPI from the kernel. * @@ -91,39 +92,36 @@ struct kernel_ipsec_t { * @param spi allocated spi * @return SUCCESS if operation completed */ - status_t (*get_spi)(kernel_ipsec_t *this, host_t *src, host_t *dst, + status_t (*get_spi)(kernel_ipsec_t *this, host_t *src, host_t *dst, protocol_id_t protocol, u_int32_t reqid, u_int32_t *spi); - + /** * Get a Compression Parameter Index (CPI) from the kernel. - * + * * @param src source address of SA * @param dst destination address of SA * @param reqid unique ID for the corresponding SA * @param cpi allocated cpi * @return SUCCESS if operation completed */ - status_t (*get_cpi)(kernel_ipsec_t *this, host_t *src, host_t *dst, + status_t (*get_cpi)(kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t reqid, u_int16_t *cpi); - + /** * Add an SA to the SAD. - * + * * add_sa() may update an already allocated * SPI (via get_spi). In this case, the replace * flag must be set. * This function does install a single SA for a - * single protocol in one direction. The kernel-interface - * gets the keys itself from the PRF, as we don't know - * his algorithms and key sizes. - * + * single protocol in one direction. + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer * @param protocol protocol for this SA (ESP/AH) * @param reqid unique ID for this SA - * @param expire_soft lifetime in seconds before rekeying - * @param expire_hard lifetime in seconds before delete + * @param lifetime lifetime_cfg_t for this SA * @param enc_alg Algorithm to use for encryption (ESP only) * @param enc_key key to use for encryption * @param int_alg Algorithm to use for integrity protection @@ -133,17 +131,20 @@ struct kernel_ipsec_t { * @param cpi CPI for IPComp * @param encap enable UDP encapsulation for NAT traversal * @param inbound TRUE if this is an inbound SA + * @param src_ts traffic selector with BEET source address + * @param dst_ts traffic selector with BEET destination address * @return SUCCESS if operation completed */ status_t (*add_sa) (kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int32_t reqid, - u_int64_t expire_soft, u_int64_t expire_hard, - u_int16_t enc_alg, chunk_t enc_key, - u_int16_t int_alg, chunk_t int_key, + lifetime_cfg_t *lifetime, + u_int16_t enc_alg, chunk_t enc_key, + u_int16_t int_alg, chunk_t int_key, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, - bool encap, bool inbound); - + bool encap, bool inbound, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts); + /** * Update the hosts on an installed SA. * @@ -162,17 +163,17 @@ struct kernel_ipsec_t { * @param encap current use of UDP encapsulation * @param new_encap new use of UDP encapsulation * @return SUCCESS if operation completed, NOT_SUPPORTED if - * the kernel interface can't update the SA + * the kernel interface can't update the SA */ status_t (*update_sa)(kernel_ipsec_t *this, u_int32_t spi, protocol_id_t protocol, u_int16_t cpi, - host_t *src, host_t *dst, + host_t *src, host_t *dst, host_t *new_src, host_t *new_dst, bool encap, bool new_encap); - + /** * Query the number of bytes processed by an SA from the SAD. - * + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer @@ -182,10 +183,10 @@ struct kernel_ipsec_t { */ status_t (*query_sa) (kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int64_t *bytes); - + /** * Delete a previusly installed SA from the SAD. - * + * * @param src source address for this SA * @param dst destination address for this SA * @param spi SPI allocated by us or remote peer @@ -195,13 +196,13 @@ struct kernel_ipsec_t { */ status_t (*del_sa) (kernel_ipsec_t *this, host_t *src, host_t *dst, u_int32_t spi, protocol_id_t protocol, u_int16_t cpi); - + /** * Add a policy to the SPD. - * + * * A policy is always associated to an SA. Traffic which matches a * policy is handled by the SA with the same reqid. - * + * * @param src source address of SA * @param dst dest address of SA * @param src_ts traffic selector to match traffic source @@ -224,24 +225,25 @@ struct kernel_ipsec_t { protocol_id_t protocol, u_int32_t reqid, ipsec_mode_t mode, u_int16_t ipcomp, u_int16_t cpi, bool routed); - + /** * Query the use time of a policy. * - * The use time of a policy is the time the policy was used - * for the last time. - * + * The use time of a policy is the time the policy was used for the last + * time. It is not the system time, but a monotonic timestamp as returned + * by time_monotonic. + * * @param src_ts traffic selector to match traffic source * @param dst_ts traffic selector to match traffic dest * @param direction direction of traffic, POLICY_IN, POLICY_OUT, POLICY_FWD - * @param[out] use_time the time of this SA's last use + * @param[out] use_time the monotonic timestamp of this SA's last use * @return SUCCESS if operation completed */ status_t (*query_policy) (kernel_ipsec_t *this, - traffic_selector_t *src_ts, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts, policy_dir_t direction, u_int32_t *use_time); - + /** * Remove a policy from the SPD. * @@ -257,11 +259,11 @@ struct kernel_ipsec_t { * @return SUCCESS if operation completed */ status_t (*del_policy) (kernel_ipsec_t *this, - traffic_selector_t *src_ts, + traffic_selector_t *src_ts, traffic_selector_t *dst_ts, policy_dir_t direction, bool unrouted); - + /** * Destroy the implementation. */ diff --git a/src/charon/kernel/kernel_net.h b/src/charon/kernel/kernel_net.h index 02242f3a8..efb221f88 100644 --- a/src/charon/kernel/kernel_net.h +++ b/src/charon/kernel/kernel_net.h @@ -29,7 +29,7 @@ typedef struct kernel_net_t kernel_net_t; /** * Interface to the network subsystem of the kernel. - * + * * The kernel network interface handles the communication with the kernel * for interface and IP address management. */ @@ -48,7 +48,7 @@ struct kernel_net_t { * @return outgoing source address, NULL if unreachable */ host_t* (*get_source_addr)(kernel_net_t *this, host_t *dest, host_t *src); - + /** * Get the next hop for a destination. * @@ -59,7 +59,7 @@ struct kernel_net_t { * @return next hop address, NULL if unreachable */ host_t* (*get_nexthop)(kernel_net_t *this, host_t *dest); - + /** * Get the interface name of a local address. * @@ -67,21 +67,21 @@ struct kernel_net_t { * @return allocated interface name, or NULL if not found */ char* (*get_interface) (kernel_net_t *this, host_t *host); - + /** * Creates an enumerator over all local addresses. - * + * * This function blocks an internal cached address list until the * enumerator gets destroyed. * The hosts are read-only, do not modify of free. - * + * * @param include_down_ifaces TRUE to enumerate addresses from down interfaces * @param include_virtual_ips TRUE to enumerate virtual ip addresses * @return enumerator over host_t's */ enumerator_t *(*create_address_enumerator) (kernel_net_t *this, bool include_down_ifaces, bool include_virtual_ips); - + /** * Add a virtual IP to an interface. * @@ -96,7 +96,7 @@ struct kernel_net_t { */ status_t (*add_ip) (kernel_net_t *this, host_t *virtual_ip, host_t *iface_ip); - + /** * Remove a virtual IP from an interface. * @@ -106,10 +106,10 @@ struct kernel_net_t { * @return SUCCESS if operation completed */ status_t (*del_ip) (kernel_net_t *this, host_t *virtual_ip); - + /** * Add a route. - * + * * @param dst_net destination net * @param prefixlen destination net prefix length * @param gateway gateway for this route @@ -120,10 +120,10 @@ struct kernel_net_t { */ status_t (*add_route) (kernel_net_t *this, chunk_t dst_net, u_int8_t prefixlen, host_t *gateway, host_t *src_ip, char *if_name); - + /** * Delete a route. - * + * * @param dst_net destination net * @param prefixlen destination net prefix length * @param gateway gateway for this route @@ -133,7 +133,7 @@ struct kernel_net_t { */ status_t (*del_route) (kernel_net_t *this, chunk_t dst_net, u_int8_t prefixlen, host_t *gateway, host_t *src_ip, char *if_name); - + /** * Destroy the implementation. */ |