diff options
Diffstat (limited to 'src/charon/control/interfaces/stroke_interface.c')
| -rwxr-xr-x | src/charon/control/interfaces/stroke_interface.c | 1818 |
1 files changed, 0 insertions, 1818 deletions
diff --git a/src/charon/control/interfaces/stroke_interface.c b/src/charon/control/interfaces/stroke_interface.c deleted file mode 100755 index 3b4b246bd..000000000 --- a/src/charon/control/interfaces/stroke_interface.c +++ /dev/null @@ -1,1818 +0,0 @@ -/** - * @file stroke_interface.c - * - * @brief Implementation of stroke_interface_t. - * - */ - -/* - * Copyright (C) 2007 Tobias Brunner - * Copyright (C) 2006-2007 Martin Willi - * Hochschule fuer Technik Rapperswil - * - * 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 <stdlib.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/socket.h> -#include <sys/un.h> -#include <sys/fcntl.h> -#include <unistd.h> -#include <dirent.h> -#include <errno.h> -#include <pthread.h> -#include <signal.h> - -#include "stroke_interface.h" - -#include <library.h> -#include <stroke.h> -#include <daemon.h> -#include <crypto/x509.h> -#include <crypto/ietf_attr_list.h> -#include <crypto/ac.h> -#include <crypto/ca.h> -#include <crypto/crl.h> -#include <control/interface_manager.h> -#include <control/interfaces/interface.h> -#include <utils/leak_detective.h> -#include <processing/jobs/callback_job.h> - -#define IKE_PORT 500 -#define PATH_BUF 256 -#define STROKE_THREADS 3 - -typedef struct private_stroke_interface_t private_stroke_interface_t; - -/** - * Private data of an stroke_interfacet object. - */ -struct private_stroke_interface_t { - - /** - * Public part of stroke_interfacet object. - */ - stroke_interface_t public; - - /** - * Unix socket to listen for strokes - */ - int socket; - - /** - * job accepting stroke messages - */ - callback_job_t *job; -}; - -typedef struct stroke_log_info_t stroke_log_info_t; - -/** - * helper struct to say what and where to log when using controller callback - */ -struct stroke_log_info_t { - - /** - * level to log up to - */ - level_t level; - - /** - * where to write log - */ - FILE* out; -}; - -/** - * Helper function which corrects the string pointers - * in a stroke_msg_t. Strings in a stroke_msg sent over "wire" - * contains RELATIVE addresses (relative to the beginning of the - * stroke_msg). They must be corrected if they reach our address - * space... - */ -static void pop_string(stroke_msg_t *msg, char **string) -{ - if (*string == NULL) - return; - - /* check for sanity of string pointer and string */ - if (string < (char**)msg - || string > (char**)msg + sizeof(stroke_msg_t) - || (unsigned long)*string < (unsigned long)((char*)msg->buffer - (char*)msg) - || (unsigned long)*string > msg->length) - { - *string = "(invalid pointer in stroke msg)"; - } - else - { - *string = (char*)msg + (unsigned long)*string; - } -} - -/** - * Load end entitity certificate - */ -static x509_t* load_end_certificate(const char *filename, identification_t **idp) -{ - char path[PATH_BUF]; - x509_t *cert; - - if (*filename == '/') - { - /* absolute path name */ - snprintf(path, sizeof(path), "%s", filename); - } - else - { - /* relative path name */ - snprintf(path, sizeof(path), "%s/%s", CERTIFICATE_DIR, filename); - } - - cert = x509_create_from_file(path, "end entity"); - - if (cert) - { - identification_t *id = *idp; - identification_t *subject = cert->get_subject(cert); - - err_t ugh = cert->is_valid(cert, NULL); - - if (ugh != NULL) - { - DBG1(DBG_CFG, "warning: certificate %s", ugh); - } - if (!id->equals(id, subject) && !cert->equals_subjectAltName(cert, id)) - { - id->destroy(id); - id = subject; - *idp = id->clone(id); - } - return charon->credentials->add_end_certificate(charon->credentials, cert); - } - return NULL; -} - -/** - * Load ca certificate - */ -static x509_t* load_ca_certificate(const char *filename) -{ - char path[PATH_BUF]; - x509_t *cert; - - if (*filename == '/') - { - /* absolute path name */ - snprintf(path, sizeof(path), "%s", filename); - } - else - { - /* relative path name */ - snprintf(path, sizeof(path), "%s/%s", CA_CERTIFICATE_DIR, filename); - } - - cert = x509_create_from_file(path, "ca"); - - if (cert) - { - if (cert->is_ca(cert)) - { - return charon->credentials->add_auth_certificate(charon->credentials, cert, AUTH_CA); - } - else - { - DBG1(DBG_CFG, " CA basic constraints flag not set, cert discarded"); - cert->destroy(cert); - } - } - return NULL; -} - -/** - * Pop the strings of a stroke_end_t struct and log them for debugging purposes - */ -static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end) -{ - pop_string(msg, &end->address); - pop_string(msg, &end->subnet); - pop_string(msg, &end->sourceip); - pop_string(msg, &end->id); - pop_string(msg, &end->cert); - pop_string(msg, &end->ca); - pop_string(msg, &end->groups); - pop_string(msg, &end->updown); - - DBG2(DBG_CFG, " %s=%s", label, end->address); - DBG2(DBG_CFG, " %ssubnet=%s", label, end->subnet); - DBG2(DBG_CFG, " %ssourceip=%s", label, end->sourceip); - DBG2(DBG_CFG, " %sid=%s", label, end->id); - DBG2(DBG_CFG, " %scert=%s", label, end->cert); - DBG2(DBG_CFG, " %sca=%s", label, end->ca); - DBG2(DBG_CFG, " %sgroups=%s", label, end->groups); - DBG2(DBG_CFG, " %supdown=%s", label, end->updown); -} - -/** - * Add a connection to the configuration list - */ -static void stroke_add_conn(stroke_msg_t *msg, FILE *out) -{ - ike_cfg_t *ike_cfg; - peer_cfg_t *peer_cfg; - peer_cfg_t *mediated_by_cfg = NULL; - child_cfg_t *child_cfg; - identification_t *my_id, *other_id; - identification_t *my_ca = NULL; - identification_t *other_ca = NULL; - identification_t *peer_id = NULL; - bool my_ca_same = FALSE; - bool other_ca_same =FALSE; - host_t *my_host, *other_host, *my_subnet, *other_subnet; - host_t *my_vip = NULL, *other_vip = NULL; - linked_list_t *other_groups = linked_list_create(); - proposal_t *proposal; - traffic_selector_t *my_ts, *other_ts; - char *interface; - bool use_existing = FALSE; - iterator_t *iterator; - u_int32_t vendor; - - pop_string(msg, &msg->add_conn.name); - DBG1(DBG_CFG, "received stroke: add connection '%s'", msg->add_conn.name); - DBG2(DBG_CFG, "conn %s", msg->add_conn.name); - pop_end(msg, "left", &msg->add_conn.me); - pop_end(msg, "right", &msg->add_conn.other); - pop_string(msg, &msg->add_conn.algorithms.ike); - pop_string(msg, &msg->add_conn.algorithms.esp); - DBG2(DBG_CFG, " ike=%s", msg->add_conn.algorithms.ike); - DBG2(DBG_CFG, " esp=%s", msg->add_conn.algorithms.esp); - pop_string(msg, &msg->add_conn.p2p.mediated_by); - pop_string(msg, &msg->add_conn.p2p.peerid); - DBG2(DBG_CFG, " p2p_mediation=%s", msg->add_conn.p2p.mediation ? "yes" : "no"); - DBG2(DBG_CFG, " p2p_mediated_by=%s", msg->add_conn.p2p.mediated_by); - DBG2(DBG_CFG, " p2p_peerid=%s", msg->add_conn.p2p.peerid); - - my_host = msg->add_conn.me.address ? - host_create_from_string(msg->add_conn.me.address, IKE_PORT) : NULL; - if (my_host == NULL) - { - DBG1(DBG_CFG, "invalid host: %s\n", msg->add_conn.me.address); - return; - } - - other_host = msg->add_conn.other.address ? - host_create_from_string(msg->add_conn.other.address, IKE_PORT) : NULL; - if (other_host == NULL) - { - DBG1(DBG_CFG, "invalid host: %s\n", msg->add_conn.other.address); - my_host->destroy(my_host); - return; - } - - interface = charon->kernel_interface->get_interface(charon->kernel_interface, - other_host); - if (interface) - { - stroke_end_t tmp_end; - host_t *tmp_host; - - DBG2(DBG_CFG, "left is other host, swapping ends\n"); - - tmp_host = my_host; - my_host = other_host; - other_host = tmp_host; - - tmp_end = msg->add_conn.me; - msg->add_conn.me = msg->add_conn.other; - msg->add_conn.other = tmp_end; - free(interface); - } - else - { - interface = charon->kernel_interface->get_interface( - charon->kernel_interface, my_host); - if (!interface) - { - DBG1(DBG_CFG, "left nor right host is our side, assuming left=local"); - } - else - { - free(interface); - } - } - - my_id = identification_create_from_string(msg->add_conn.me.id ? - msg->add_conn.me.id : msg->add_conn.me.address); - if (my_id == NULL) - { - DBG1(DBG_CFG, "invalid ID: %s\n", msg->add_conn.me.id); - goto destroy_hosts; - } - - other_id = identification_create_from_string(msg->add_conn.other.id ? - msg->add_conn.other.id : msg->add_conn.other.address); - if (other_id == NULL) - { - DBG1(DBG_CFG, "invalid ID: %s\n", msg->add_conn.other.id); - my_id->destroy(my_id); - goto destroy_hosts; - } - -#ifdef P2P - if (msg->add_conn.p2p.mediation && msg->add_conn.p2p.mediated_by) - { - DBG1(DBG_CFG, "a mediation connection cannot be a" - " mediated connection at the same time, aborting"); - goto destroy_ids; - } - - if (msg->add_conn.p2p.mediated_by) - { - mediated_by_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, msg->add_conn.p2p.mediated_by); - if (!mediated_by_cfg) - { - DBG1(DBG_CFG, "mediation connection '%s' not found, aborting", - msg->add_conn.p2p.mediated_by); - goto destroy_ids; - } - - if (!mediated_by_cfg->is_mediation(mediated_by_cfg)) - { - DBG1(DBG_CFG, "connection '%s' as referred to by '%s' is" - "no mediation connection, aborting", - msg->add_conn.p2p.mediated_by, msg->add_conn.name); - goto destroy_ids; - } - } - - if (msg->add_conn.p2p.peerid) - { - peer_id = identification_create_from_string(msg->add_conn.p2p.peerid); - if (!peer_id) - { - DBG1(DBG_CFG, "invalid peer ID: %s\n", msg->add_conn.p2p.peerid); - goto destroy_ids; - } - } - else - { - /* no peer ID supplied, assume right ID */ - peer_id = other_id->clone(other_id); - } -#endif /* P2P */ - - my_subnet = host_create_from_string(msg->add_conn.me.subnet ? - msg->add_conn.me.subnet : msg->add_conn.me.address, IKE_PORT); - if (my_subnet == NULL) - { - DBG1(DBG_CFG, "invalid subnet: %s\n", msg->add_conn.me.subnet); - goto destroy_ids; - } - - other_subnet = host_create_from_string(msg->add_conn.other.subnet ? - msg->add_conn.other.subnet : msg->add_conn.other.address, IKE_PORT); - if (other_subnet == NULL) - { - DBG1(DBG_CFG, "invalid subnet: %s\n", msg->add_conn.me.subnet); - my_subnet->destroy(my_subnet); - goto destroy_ids; - } - - if (msg->add_conn.me.virtual_ip && msg->add_conn.me.sourceip) - { - my_vip = host_create_from_string(msg->add_conn.me.sourceip, 0); - } - if (msg->add_conn.other.virtual_ip && msg->add_conn.other.sourceip) - { - other_vip = host_create_from_string(msg->add_conn.other.sourceip, 0); - } - - if (msg->add_conn.me.tohost) - { - my_ts = traffic_selector_create_dynamic(msg->add_conn.me.protocol, - my_host->get_family(my_host) == AF_INET ? - TS_IPV4_ADDR_RANGE : TS_IPV6_ADDR_RANGE, - msg->add_conn.me.port ? msg->add_conn.me.port : 0, - msg->add_conn.me.port ? msg->add_conn.me.port : 65535); - } - else - { - my_ts = traffic_selector_create_from_subnet(my_subnet, - msg->add_conn.me.subnet ? msg->add_conn.me.subnet_mask : 0, - msg->add_conn.me.protocol, msg->add_conn.me.port); - } - my_subnet->destroy(my_subnet); - - if (msg->add_conn.other.tohost) - { - other_ts = traffic_selector_create_dynamic(msg->add_conn.other.protocol, - other_host->get_family(other_host) == AF_INET ? - TS_IPV4_ADDR_RANGE : TS_IPV6_ADDR_RANGE, - msg->add_conn.other.port ? msg->add_conn.other.port : 0, - msg->add_conn.other.port ? msg->add_conn.other.port : 65535); - } - else - { - other_ts = traffic_selector_create_from_subnet(other_subnet, - msg->add_conn.other.subnet ? msg->add_conn.other.subnet_mask : 0, - msg->add_conn.other.protocol, msg->add_conn.other.port); - } - other_subnet->destroy(other_subnet); - - if (msg->add_conn.me.ca) - { - if (streq(msg->add_conn.me.ca, "%same")) - { - my_ca_same = TRUE; - } - else - { - my_ca = identification_create_from_string(msg->add_conn.me.ca); - } - } - if (msg->add_conn.other.ca) - { - if (streq(msg->add_conn.other.ca, "%same")) - { - other_ca_same = TRUE; - } - else - { - other_ca = identification_create_from_string(msg->add_conn.other.ca); - } - } - if (msg->add_conn.me.cert) - { - x509_t *cert = load_end_certificate(msg->add_conn.me.cert, &my_id); - - if (cert) - { - ca_info_t *ca_info; - - if (cert->is_self_signed(cert)) - { - /* a self-signed certificate is its own ca */ - ca_info = ca_info_create(NULL, cert); - ca_info = charon->credentials->add_ca_info(charon->credentials, ca_info); - cert->set_ca_info(cert, ca_info); - } - else - { - /* get_issuer() automatically sets cert->ca_info */ - ca_info = charon->credentials->get_issuer(charon->credentials, cert); - } - if (my_ca == NULL && !my_ca_same) - { - identification_t *issuer = cert->get_issuer(cert); - - my_ca = issuer->clone(issuer); - } - } - } - if (msg->add_conn.other.cert) - { - x509_t *cert = load_end_certificate(msg->add_conn.other.cert, &other_id); - - if (cert) - { - ca_info_t *ca_info; - - if (cert->is_self_signed(cert)) - { - /* a self-signed certificate is its own ca */ - ca_info = ca_info_create(NULL, cert); - ca_info = charon->credentials->add_ca_info(charon->credentials, ca_info); - cert->set_ca_info(cert, ca_info); - } - else - { - /* get_issuer() automatically sets cert->ca_info */ - ca_info = charon->credentials->get_issuer(charon->credentials, cert); - } - if (other_ca == NULL && !other_ca_same) - { - identification_t *issuer = cert->get_issuer(cert); - - other_ca = issuer->clone(issuer); - } - } - } - if (other_ca_same && my_ca) - { - other_ca = my_ca->clone(my_ca); - } - else if (my_ca_same && other_ca) - { - my_ca = other_ca->clone(other_ca); - } - if (my_ca == NULL) - { - my_ca = identification_create_from_string("%any"); - } - if (other_ca == NULL) - { - other_ca = identification_create_from_string("%any"); - } - DBG2(DBG_CFG, " my ca: '%D'", my_ca); - DBG2(DBG_CFG, " other ca:'%D'", other_ca); - - if (msg->add_conn.other.groups) - { - ietfAttr_list_create_from_string(msg->add_conn.other.groups, other_groups); - } - - /* have a look for an (almost) identical peer config to reuse */ - iterator = charon->backends->create_iterator(charon->backends); - while (iterator->iterate(iterator, (void**)&peer_cfg)) - { - host_t *my_vip_conf, *other_vip_conf; - bool my_vip_equals = FALSE, other_vip_equals = FALSE; - - my_vip_conf = peer_cfg->get_my_virtual_ip(peer_cfg); - if ((my_vip && my_vip_conf && my_vip->equals(my_vip, my_vip_conf)) || - (!my_vip_conf && !my_vip)) - { - my_vip_equals = TRUE; - } - DESTROY_IF(my_vip_conf); - other_vip_conf = peer_cfg->get_other_virtual_ip(peer_cfg, NULL); - if ((other_vip && other_vip_conf && other_vip->equals(other_vip, other_vip_conf)) || - (!other_vip_conf && !other_vip)) - { - other_vip_equals = TRUE; - } - DESTROY_IF(other_vip_conf); - - ike_cfg = peer_cfg->get_ike_cfg(peer_cfg); - if (my_id->equals(my_id, peer_cfg->get_my_id(peer_cfg)) - && other_id->equals(other_id, peer_cfg->get_other_id(peer_cfg)) - && my_host->equals(my_host, ike_cfg->get_my_host(ike_cfg)) - && other_host->equals(other_host, ike_cfg->get_other_host(ike_cfg)) - && other_ca->equals(other_ca, peer_cfg->get_other_ca(peer_cfg)) - && ietfAttr_list_equals(other_groups, peer_cfg->get_groups(peer_cfg)) - && peer_cfg->get_ike_version(peer_cfg) == (msg->add_conn.ikev2 ? 2 : 1) - && peer_cfg->get_auth_method(peer_cfg) == msg->add_conn.auth_method - && peer_cfg->get_eap_type(peer_cfg, &vendor) == msg->add_conn.eap_type - && vendor == msg->add_conn.eap_vendor - && my_vip_equals && other_vip_equals) - { - DBG1(DBG_CFG, "reusing existing configuration '%s'", - peer_cfg->get_name(peer_cfg)); - use_existing = TRUE; - break; - } - } - iterator->destroy(iterator); - - if (use_existing) - { - DESTROY_IF(my_vip); - DESTROY_IF(other_vip); - my_host->destroy(my_host); - my_id->destroy(my_id); - my_ca->destroy(my_ca); - other_host->destroy(other_host); - other_id->destroy(other_id); - other_ca->destroy(other_ca); - DESTROY_IF(peer_id); - DESTROY_IF(mediated_by_cfg); - ietfAttr_list_destroy(other_groups); - } - else - { - ike_cfg = ike_cfg_create(msg->add_conn.other.sendcert != CERT_NEVER_SEND, - msg->add_conn.force_encap, my_host, other_host); - - if (msg->add_conn.algorithms.ike) - { - char *proposal_string; - char *strict = msg->add_conn.algorithms.ike + strlen(msg->add_conn.algorithms.ike) - 1; - - if (*strict == '!') - *strict = '\0'; - else - strict = NULL; - - while ((proposal_string = strsep(&msg->add_conn.algorithms.ike, ","))) - { - proposal = proposal_create_from_string(PROTO_IKE, proposal_string); - if (proposal == NULL) - { - DBG1(DBG_CFG, "invalid IKE proposal string: %s", proposal_string); - my_id->destroy(my_id); - other_id->destroy(other_id); - my_ts->destroy(my_ts); - other_ts->destroy(other_ts); - my_ca->destroy(my_ca); - other_ca->destroy(other_ca); - ike_cfg->destroy(ike_cfg); - return; - } - ike_cfg->add_proposal(ike_cfg, proposal); - } - if (!strict) - { - proposal = proposal_create_default(PROTO_IKE); - ike_cfg->add_proposal(ike_cfg, proposal); - } - } - else - { - proposal = proposal_create_default(PROTO_IKE); - ike_cfg->add_proposal(ike_cfg, proposal); - } - - u_int32_t rekey = 0, reauth = 0, over, jitter; - - jitter = msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100; - over = msg->add_conn.rekey.margin; - if (msg->add_conn.rekey.reauth) - { - reauth = msg->add_conn.rekey.ike_lifetime - over; - } - else - { - rekey = msg->add_conn.rekey.ike_lifetime - over; - } - - peer_cfg = peer_cfg_create(msg->add_conn.name, msg->add_conn.ikev2 ? 2 : 1, - ike_cfg, my_id, other_id, my_ca, other_ca, other_groups, - msg->add_conn.me.sendcert, msg->add_conn.auth_method, - msg->add_conn.eap_type, msg->add_conn.eap_vendor, - msg->add_conn.rekey.tries, rekey, reauth, jitter, over, - msg->add_conn.mobike, - msg->add_conn.dpd.delay, msg->add_conn.dpd.action, my_vip, other_vip, - msg->add_conn.p2p.mediation, mediated_by_cfg, peer_id); - } - - child_cfg = child_cfg_create( - msg->add_conn.name, msg->add_conn.rekey.ipsec_lifetime, - msg->add_conn.rekey.ipsec_lifetime - msg->add_conn.rekey.margin, - msg->add_conn.rekey.margin * msg->add_conn.rekey.fuzz / 100, - msg->add_conn.me.updown, msg->add_conn.me.hostaccess, - msg->add_conn.mode); - - peer_cfg->add_child_cfg(peer_cfg, child_cfg); - - child_cfg->add_traffic_selector(child_cfg, TRUE, my_ts); - child_cfg->add_traffic_selector(child_cfg, FALSE, other_ts); - - if (msg->add_conn.algorithms.esp) - { - char *proposal_string; - char *strict = msg->add_conn.algorithms.esp + strlen(msg->add_conn.algorithms.esp) - 1; - - if (*strict == '!') - *strict = '\0'; - else - strict = NULL; - - while ((proposal_string = strsep(&msg->add_conn.algorithms.esp, ","))) - { - proposal = proposal_create_from_string(PROTO_ESP, proposal_string); - if (proposal == NULL) - { - DBG1(DBG_CFG, "invalid ESP proposal string: %s", proposal_string); - peer_cfg->destroy(peer_cfg); - return; - } - child_cfg->add_proposal(child_cfg, proposal); - } - if (!strict) - { - proposal = proposal_create_default(PROTO_ESP); - child_cfg->add_proposal(child_cfg, proposal); - } - } - else - { - proposal = proposal_create_default(PROTO_ESP); - child_cfg->add_proposal(child_cfg, proposal); - } - - if (!use_existing) - { - /* add config to backend */ - charon->backends->add_peer_cfg(charon->backends, peer_cfg); - DBG1(DBG_CFG, "added configuration '%s': %H[%D]...%H[%D]", - msg->add_conn.name, my_host, my_id, other_host, other_id); - } - return; - - /* mopping up after parsing errors */ - -destroy_ids: - my_id->destroy(my_id); - other_id->destroy(other_id); - DESTROY_IF(mediated_by_cfg); - DESTROY_IF(peer_id); - -destroy_hosts: - my_host->destroy(my_host); - other_host->destroy(other_host); -} - -/** - * Delete a connection from the list - */ -static void stroke_del_conn(stroke_msg_t *msg, FILE *out) -{ - iterator_t *peer_iter, *child_iter; - peer_cfg_t *peer; - child_cfg_t *child; - - pop_string(msg, &(msg->del_conn.name)); - DBG1(DBG_CFG, "received stroke: delete connection '%s'", msg->del_conn.name); - - peer_iter = charon->backends->create_iterator(charon->backends); - while (peer_iter->iterate(peer_iter, (void**)&peer)) - { - /* remove peer config with such a name */ - if (streq(peer->get_name(peer), msg->del_conn.name)) - { - peer_iter->remove(peer_iter); - peer->destroy(peer); - continue; - } - /* remove any child with such a name */ - child_iter = peer->create_child_cfg_iterator(peer); - while (child_iter->iterate(child_iter, (void**)&child)) - { - if (streq(child->get_name(child), msg->del_conn.name)) - { - child_iter->remove(child_iter); - child->destroy(child); - } - } - child_iter->destroy(child_iter); - } - peer_iter->destroy(peer_iter); - - fprintf(out, "deleted connection '%s'\n", msg->del_conn.name); -} - -/** - * get the child_cfg with the same name as the peer cfg - */ -static child_cfg_t* get_child_from_peer(peer_cfg_t *peer_cfg, char *name) -{ - child_cfg_t *current, *found = NULL; - iterator_t *iterator; - - iterator = peer_cfg->create_child_cfg_iterator(peer_cfg); - while (iterator->iterate(iterator, (void**)¤t)) - { - if (streq(current->get_name(current), name)) - { - found = current; - found->get_ref(found); - break; - } - } - iterator->destroy(iterator); - return found; -} - -/** - * logging to the stroke interface - */ -static bool stroke_log(stroke_log_info_t *info, signal_t signal, level_t level, - ike_sa_t *ike_sa, char *format, va_list args) -{ - if (level <= info->level) - { - if (vfprintf(info->out, format, args) < 0 || - fprintf(info->out, "\n") < 0 || - fflush(info->out) != 0) - { - return FALSE; - } - } - return TRUE; -} - -/** - * initiate a connection by name - */ -static void stroke_initiate(stroke_msg_t *msg, FILE *out) -{ - peer_cfg_t *peer_cfg; - child_cfg_t *child_cfg; - stroke_log_info_t info; - - pop_string(msg, &(msg->initiate.name)); - DBG1(DBG_CFG, "received stroke: initiate '%s'", msg->initiate.name); - - peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, - msg->initiate.name); - if (peer_cfg == NULL) - { - fprintf(out, "no config named '%s'\n", msg->initiate.name); - return; - } - if (peer_cfg->get_ike_version(peer_cfg) != 2) - { - DBG1(DBG_CFG, "ignoring initiation request for IKEv%d config", - peer_cfg->get_ike_version(peer_cfg)); - peer_cfg->destroy(peer_cfg); - return; - } - - child_cfg = get_child_from_peer(peer_cfg, msg->initiate.name); - if (child_cfg == NULL) - { - fprintf(out, "no child config named '%s'\n", msg->initiate.name); - peer_cfg->destroy(peer_cfg); - return; - } - - if (msg->output_verbosity < 0) - { - charon->interfaces->initiate(charon->interfaces, peer_cfg, child_cfg, - NULL, NULL); - } - else - { - info.out = out; - info.level = msg->output_verbosity; - charon->interfaces->initiate(charon->interfaces, peer_cfg, child_cfg, - (interface_manager_cb_t)stroke_log, &info); - } -} - -/** - * route a policy (install SPD entries) - */ -static void stroke_route(stroke_msg_t *msg, FILE *out) -{ - peer_cfg_t *peer_cfg; - child_cfg_t *child_cfg; - stroke_log_info_t info; - - pop_string(msg, &(msg->route.name)); - DBG1(DBG_CFG, "received stroke: route '%s'", msg->route.name); - - peer_cfg = charon->backends->get_peer_cfg_by_name(charon->backends, - msg->route.name); - if (peer_cfg == NULL) - { - fprintf(out, "no config named '%s'\n", msg->route.name); - return; - } - if (peer_cfg->get_ike_version(peer_cfg) != 2) - { - peer_cfg->destroy(peer_cfg); - return; - } - - child_cfg = get_child_from_peer(peer_cfg, msg->route.name); - if (child_cfg == NULL) - { - fprintf(out, "no child config named '%s'\n", msg->route.name); - peer_cfg->destroy(peer_cfg); - return; - } - - info.out = out; - info.level = msg->output_verbosity; - charon->interfaces->route(charon->interfaces, peer_cfg, child_cfg, - (interface_manager_cb_t)stroke_log, &info); - peer_cfg->destroy(peer_cfg); - child_cfg->destroy(child_cfg); -} - -/** - * unroute a policy - */ -static void stroke_unroute(stroke_msg_t *msg, FILE *out) -{ - char *name; - ike_sa_t *ike_sa; - iterator_t *iterator; - stroke_log_info_t info; - - pop_string(msg, &(msg->terminate.name)); - name = msg->terminate.name; - - info.out = out; - info.level = msg->output_verbosity; - - iterator = charon->interfaces->create_ike_sa_iterator(charon->interfaces); - while (iterator->iterate(iterator, (void**)&ike_sa)) - { - child_sa_t *child_sa; - iterator_t *children; - u_int32_t id; - - children = ike_sa->create_child_sa_iterator(ike_sa); - while (children->iterate(children, (void**)&child_sa)) - { - if (child_sa->get_state(child_sa) == CHILD_ROUTED && - streq(name, child_sa->get_name(child_sa))) - { - id = child_sa->get_reqid(child_sa); - children->destroy(children); - iterator->destroy(iterator); - charon->interfaces->unroute(charon->interfaces, id, - (interface_manager_cb_t)stroke_log, &info); - return; - } - } - children->destroy(children); - } - iterator->destroy(iterator); - DBG1(DBG_CFG, "no such SA found"); -} - -/** - * terminate a connection by name - */ -static void stroke_terminate(stroke_msg_t *msg, FILE *out) -{ - char *string, *pos = NULL, *name = NULL; - u_int32_t id = 0; - bool child; - int len; - ike_sa_t *ike_sa; - iterator_t *iterator; - stroke_log_info_t info; - - pop_string(msg, &(msg->terminate.name)); - string = msg->terminate.name; - DBG1(DBG_CFG, "received stroke: terminate '%s'", string); - - len = strlen(string); - if (len < 1) - { - DBG1(DBG_CFG, "error parsing string"); - return; - } - switch (string[len-1]) - { - case '}': - child = TRUE; - pos = strchr(string, '{'); - break; - case ']': - child = FALSE; - pos = strchr(string, '['); - break; - default: - name = string; - child = FALSE; - break; - } - - if (name) - { - /* is a single name */ - } - else if (pos == string + len - 2) - { /* is name[] or name{} */ - string[len-2] = '\0'; - name = string; - } - else - { /* is name[123] or name{23} */ - string[len-1] = '\0'; - id = atoi(pos + 1); - if (id == 0) - { - DBG1(DBG_CFG, "error parsing string"); - return; - } - } - - info.out = out; - info.level = msg->output_verbosity; - - iterator = charon->interfaces->create_ike_sa_iterator(charon->interfaces); - while (iterator->iterate(iterator, (void**)&ike_sa)) - { - child_sa_t *child_sa; - iterator_t *children; - - if (child) - { - children = ike_sa->create_child_sa_iterator(ike_sa); - while (children->iterate(children, (void**)&child_sa)) - { - if ((name && streq(name, child_sa->get_name(child_sa))) || - (id && id == child_sa->get_reqid(child_sa))) - { - id = child_sa->get_reqid(child_sa); - children->destroy(children); - iterator->destroy(iterator); - - charon->interfaces->terminate_child(charon->interfaces, id, - (interface_manager_cb_t)stroke_log, &info); - return; - } - } - children->destroy(children); - } - else if ((name && streq(name, ike_sa->get_name(ike_sa))) || - (id && id == ike_sa->get_unique_id(ike_sa))) - { - id = ike_sa->get_unique_id(ike_sa); - /* unlock manager first */ - iterator->destroy(iterator); - - charon->interfaces->terminate_ike(charon->interfaces, id, - (interface_manager_cb_t)stroke_log, &info); - return; - } - - } - iterator->destroy(iterator); - DBG1(DBG_CFG, "no such SA found"); -} - -/** - * Add a ca information record to the cainfo list - */ -static void stroke_add_ca(stroke_msg_t *msg, FILE *out) -{ - x509_t *cacert; - ca_info_t *ca_info; - - pop_string(msg, &msg->add_ca.name); - pop_string(msg, &msg->add_ca.cacert); - pop_string(msg, &msg->add_ca.crluri); - pop_string(msg, &msg->add_ca.crluri2); - pop_string(msg, &msg->add_ca.ocspuri); - pop_string(msg, &msg->add_ca.ocspuri2); - - DBG1(DBG_CFG, "received stroke: add ca '%s'", msg->add_ca.name); - - DBG2(DBG_CFG, "ca %s", msg->add_ca.name); - DBG2(DBG_CFG, " cacert=%s", msg->add_ca.cacert); - DBG2(DBG_CFG, " crluri=%s", msg->add_ca.crluri); - DBG2(DBG_CFG, " crluri2=%s", msg->add_ca.crluri2); - DBG2(DBG_CFG, " ocspuri=%s", msg->add_ca.ocspuri); - DBG2(DBG_CFG, " ocspuri2=%s", msg->add_ca.ocspuri2); - - if (msg->add_ca.cacert == NULL) - { - DBG1(DBG_CFG, "missing cacert parameter\n"); - return; - } - - cacert = load_ca_certificate(msg->add_ca.cacert); - - if (cacert == NULL) - { - return; - } - ca_info = ca_info_create(msg->add_ca.name, cacert); - - if (msg->add_ca.crluri) - { - chunk_t uri = { msg->add_ca.crluri, strlen(msg->add_ca.crluri) }; - - ca_info->add_crluri(ca_info, uri); - } - if (msg->add_ca.crluri2) - { - chunk_t uri = { msg->add_ca.crluri2, strlen(msg->add_ca.crluri2) }; - - ca_info->add_crluri(ca_info, uri); - } - if (msg->add_ca.ocspuri) - { - chunk_t uri = { msg->add_ca.ocspuri, strlen(msg->add_ca.ocspuri) }; - - ca_info->add_ocspuri(ca_info, uri); - } - if (msg->add_ca.ocspuri2) - { - chunk_t uri = { msg->add_ca.ocspuri2, strlen(msg->add_ca.ocspuri2) }; - - ca_info->add_ocspuri(ca_info, uri); - } - charon->credentials->add_ca_info(charon->credentials, ca_info); - DBG1(DBG_CFG, "added ca '%s'", msg->add_ca.name); - -} - -/** - * Delete a ca information record from the cainfo list - */ -static void stroke_del_ca(stroke_msg_t *msg, FILE *out) -{ - status_t status; - - pop_string(msg, &(msg->del_ca.name)); - DBG1(DBG_CFG, "received stroke: delete ca '%s'", msg->del_ca.name); - - status = charon->credentials->release_ca_info(charon->credentials, - msg->del_ca.name); - - if (status == SUCCESS) - { - fprintf(out, "deleted ca '%s'\n", msg->del_ca.name); - } - else - { - fprintf(out, "no ca named '%s'\n", msg->del_ca.name); - } -} - -/** - * log an IKE_SA to out - */ -static void log_ike_sa(FILE *out, ike_sa_t *ike_sa, bool all) -{ - ike_sa_id_t *id = ike_sa->get_id(ike_sa); - u_int32_t rekey, reauth; - - fprintf(out, "%12s[%d]: %N, %H[%D]...%H[%D]\n", - ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa), - ike_sa_state_names, ike_sa->get_state(ike_sa), - ike_sa->get_my_host(ike_sa), ike_sa->get_my_id(ike_sa), - ike_sa->get_other_host(ike_sa), ike_sa->get_other_id(ike_sa)); - - if (all) - { - fprintf(out, "%12s[%d]: IKE SPIs: %.16llx_i%s %.16llx_r%s", - ike_sa->get_name(ike_sa), ike_sa->get_unique_id(ike_sa), - id->get_initiator_spi(id), id->is_initiator(id) ? "*" : "", - id->get_responder_spi(id), id->is_initiator(id) ? "" : "*"); - - rekey = ike_sa->get_statistic(ike_sa, STAT_REKEY_TIME); - reauth = ike_sa->get_statistic(ike_sa, STAT_REAUTH_TIME); - if (rekey) - { - fprintf(out, ", rekeying in %V", &rekey); - } - if (reauth) - { - fprintf(out, ", reauthentication in %V", &reauth); - } - if (!rekey && !reauth) - { - fprintf(out, ", rekeying disabled"); - } - fprintf(out, "\n"); - } -} - -/** - * log an CHILD_SA to out - */ -static void log_child_sa(FILE *out, child_sa_t *child_sa, bool all) -{ - u_int32_t rekey, now = time(NULL); - u_int32_t use_in, use_out, use_fwd; - encryption_algorithm_t encr_alg; - integrity_algorithm_t int_alg; - size_t encr_len, int_len; - mode_t mode; - - child_sa->get_stats(child_sa, &mode, &encr_alg, &encr_len, - &int_alg, &int_len, &rekey, &use_in, &use_out, - &use_fwd); - - fprintf(out, "%12s{%d}: %N, %N", - child_sa->get_name(child_sa), child_sa->get_reqid(child_sa), - child_sa_state_names, child_sa->get_state(child_sa), - mode_names, mode); - - if (child_sa->get_state(child_sa) == CHILD_INSTALLED) - { - fprintf(out, ", %N SPIs: %.8x_i %.8x_o", - protocol_id_names, child_sa->get_protocol(child_sa), - htonl(child_sa->get_spi(child_sa, TRUE)), - htonl(child_sa->get_spi(child_sa, FALSE))); - - if (all) - { - fprintf(out, "\n%12s{%d}: ", child_sa->get_name(child_sa), - child_sa->get_reqid(child_sa)); - - - if (child_sa->get_protocol(child_sa) == PROTO_ESP) - { - fprintf(out, "%N", encryption_algorithm_names, encr_alg); - - if (encr_len) - { - fprintf(out, "-%d", encr_len); - } - fprintf(out, "/"); - } - - fprintf(out, "%N", integrity_algorithm_names, int_alg); - if (int_len) - { - fprintf(out, "-%d", int_len); - } - fprintf(out, ", rekeying "); - - if (rekey) - { - fprintf(out, "in %#V", &now, &rekey); - } - else - { - fprintf(out, "disabled"); - } - - fprintf(out, ", last use: "); - use_in = max(use_in, use_fwd); - if (use_in) - { - fprintf(out, "%ds_i ", now - use_in); - } - else - { - fprintf(out, "no_i "); - } - if (use_out) - { - fprintf(out, "%ds_o ", now - use_out); - } - else - { - fprintf(out, "no_o "); - } - } - } - - fprintf(out, "\n%12s{%d}: %#R=== %#R\n", - child_sa->get_name(child_sa), child_sa->get_reqid(child_sa), - child_sa->get_traffic_selectors(child_sa, TRUE), - child_sa->get_traffic_selectors(child_sa, FALSE)); -} - -/** - * show status of daemon - */ -static void stroke_status(stroke_msg_t *msg, FILE *out, bool all) -{ - iterator_t *iterator, *children; - host_t *host; - peer_cfg_t *peer_cfg; - ike_cfg_t *ike_cfg; - child_cfg_t *child_cfg; - ike_sa_t *ike_sa; - char *name = NULL; - - if (msg->status.name) - { - pop_string(msg, &(msg->status.name)); - name = msg->status.name; - } - - if (all) - { - leak_detective_status(out); - - fprintf(out, "Performance:\n"); - fprintf(out, " worker threads: %d idle of %d,", - charon->processor->get_idle_threads(charon->processor), - charon->processor->get_total_threads(charon->processor)); - fprintf(out, " job queue load: %d,", - charon->processor->get_job_load(charon->processor)); - fprintf(out, " scheduled events: %d\n", - charon->scheduler->get_job_load(charon->scheduler)); - iterator = charon->kernel_interface->create_address_iterator( - charon->kernel_interface); - fprintf(out, "Listening IP addresses:\n"); - while (iterator->iterate(iterator, (void**)&host)) - { - fprintf(out, " %H\n", host); - } - iterator->destroy(iterator); - - fprintf(out, "Connections:\n"); - iterator = charon->backends->create_iterator(charon->backends); - while (iterator->iterate(iterator, (void**)&peer_cfg)) - { - if (peer_cfg->get_ike_version(peer_cfg) != 2 || - (name && !streq(name, peer_cfg->get_name(peer_cfg)))) - { - continue; - } - - ike_cfg = peer_cfg->get_ike_cfg(peer_cfg); - fprintf(out, "%12s: %H[%D]...%H[%D]\n", peer_cfg->get_name(peer_cfg), - ike_cfg->get_my_host(ike_cfg), peer_cfg->get_my_id(peer_cfg), - ike_cfg->get_other_host(ike_cfg), peer_cfg->get_other_id(peer_cfg)); - { - identification_t *my_ca = peer_cfg->get_my_ca(peer_cfg); - identification_t *other_ca = peer_cfg->get_other_ca(peer_cfg); - linked_list_t *groups = peer_cfg->get_groups(peer_cfg); - - if (my_ca->get_type(my_ca) != ID_ANY - || other_ca->get_type(other_ca) != ID_ANY) - { - fprintf(out, "%12s: CAs: '%D'...'%D'\n", peer_cfg->get_name(peer_cfg), - my_ca, other_ca); - } - if (groups->get_count(groups) > 0) - { - fprintf(out, "%12s: groups: ", peer_cfg->get_name(peer_cfg)); - ietfAttr_list_list(groups, out); - fprintf(out, "\n"); - } - - } - children = peer_cfg->create_child_cfg_iterator(peer_cfg); - while (children->iterate(children, (void**)&child_cfg)) - { - linked_list_t *my_ts, *other_ts; - my_ts = child_cfg->get_traffic_selectors(child_cfg, TRUE, NULL, NULL); - other_ts = child_cfg->get_traffic_selectors(child_cfg, FALSE, NULL, NULL); - fprintf(out, "%12s: %#R=== %#R\n", child_cfg->get_name(child_cfg), - my_ts, other_ts); - my_ts->destroy_offset(my_ts, offsetof(traffic_selector_t, destroy)); - other_ts->destroy_offset(other_ts, offsetof(traffic_selector_t, destroy)); - } - children->destroy(children); - } - iterator->destroy(iterator); - } - - iterator = charon->ike_sa_manager->create_iterator(charon->ike_sa_manager); - if (all && iterator->get_count(iterator) > 0) - { - fprintf(out, "Security Associations:\n"); - } - while (iterator->iterate(iterator, (void**)&ike_sa)) - { - bool ike_printed = FALSE; - child_sa_t *child_sa; - iterator_t *children = ike_sa->create_child_sa_iterator(ike_sa); - - if (name == NULL || streq(name, ike_sa->get_name(ike_sa))) - { - log_ike_sa(out, ike_sa, all); - ike_printed = TRUE; - } - - while (children->iterate(children, (void**)&child_sa)) - { - if (name == NULL || streq(name, child_sa->get_name(child_sa))) - { - if (!ike_printed) - { - log_ike_sa(out, ike_sa, all); - ike_printed = TRUE; - } - log_child_sa(out, child_sa, all); - } - } - children->destroy(children); - } - iterator->destroy(iterator); -} - -/** - * list all authority certificates matching a specified flag - */ -static void list_auth_certificates(u_int flag, const char *label, - bool utc, FILE *out) -{ - bool first = TRUE; - x509_t *cert; - - iterator_t *iterator = charon->credentials->create_auth_cert_iterator(charon->credentials); - - while (iterator->iterate(iterator, (void**)&cert)) - { - if (cert->has_authority_flag(cert, flag)) - { - if (first) - { - fprintf(out, "\n"); - fprintf(out, "List of X.509 %s Certificates:\n", label); - fprintf(out, "\n"); - first = FALSE; - } - cert->list(cert, out, utc); - fprintf(out, "\n"); - } - } - iterator->destroy(iterator); -} - -/** - * list various information - */ -static void stroke_list(stroke_msg_t *msg, FILE *out) -{ - iterator_t *iterator; - - if (msg->list.flags & LIST_CERTS) - { - x509_t *cert; - - iterator = charon->credentials->create_cert_iterator(charon->credentials); - if (iterator->get_count(iterator)) - { - fprintf(out, "\n"); - fprintf(out, "List of X.509 End Entity Certificates:\n"); - fprintf(out, "\n"); - } - while (iterator->iterate(iterator, (void**)&cert)) - { - cert->list(cert, out, msg->list.utc); - if (charon->credentials->has_rsa_private_key( - charon->credentials, cert->get_public_key(cert))) - { - fprintf(out, ", has private key"); - } - fprintf(out, "\n"); - - } - iterator->destroy(iterator); - } - if (msg->list.flags & LIST_CACERTS) - { - list_auth_certificates(AUTH_CA, "CA", msg->list.utc, out); - } - if (msg->list.flags & LIST_OCSPCERTS) - { - list_auth_certificates(AUTH_OCSP, "OCSP", msg->list.utc, out); - } - if (msg->list.flags & LIST_AACERTS) - { - list_auth_certificates(AUTH_AA, "AA", msg->list.utc, out); - } - if (msg->list.flags & LIST_ACERTS) - { - x509ac_t *cert; - - iterator = charon->credentials->create_acert_iterator(charon->credentials); - if (iterator->get_count(iterator)) - { - fprintf(out, "\n"); - fprintf(out, "List of X.509 Attribute Certificates:\n"); - fprintf(out, "\n"); - } - while (iterator->iterate(iterator, (void**)&cert)) - { - cert->list(cert, out, msg->list.utc); - } - iterator->destroy(iterator); - } - if (msg->list.flags & LIST_CAINFOS) - { - ca_info_t *ca_info; - bool first = TRUE; - - iterator = charon->credentials->create_cainfo_iterator(charon->credentials); - while (iterator->iterate(iterator, (void**)&ca_info)) - { - if (ca_info->is_ca(ca_info)) - { - if (first) - { - fprintf(out, "\n"); - fprintf(out, "List of X.509 CA Information Records:\n"); - fprintf(out, "\n"); - first = FALSE; - } - ca_info->list(ca_info, out, msg->list.utc); - } - } - iterator->destroy(iterator); - } - if (msg->list.flags & LIST_CRLS) - { - ca_info_t *ca_info; - bool first = TRUE; - - iterator = charon->credentials->create_cainfo_iterator(charon->credentials); - while (iterator->iterate(iterator, (void **)&ca_info)) - { - if (ca_info->is_ca(ca_info) && ca_info->has_crl(ca_info)) - { - if (first) - { - fprintf(out, "\n"); - fprintf(out, "List of X.509 CRLs:\n"); - fprintf(out, "\n"); - first = FALSE; - } - ca_info->list_crl(ca_info, out, msg->list.utc); - } - } - iterator->destroy(iterator); - } - if (msg->list.flags & LIST_OCSP) - { - ca_info_t *ca_info; - bool first = TRUE; - - iterator = charon->credentials->create_cainfo_iterator(charon->credentials); - while (iterator->iterate(iterator, (void **)&ca_info)) - { - if (ca_info->is_ca(ca_info) && ca_info->has_certinfos(ca_info)) - { - if (first) - { - fprintf(out, "\n"); - fprintf(out, "List of OCSP responses:\n"); - first = FALSE; - } - fprintf(out, "\n"); - ca_info->list_certinfos(ca_info, out, msg->list.utc); - } - } - iterator->destroy(iterator); - } -} - -/** - * reread various information - */ -static void stroke_reread(stroke_msg_t *msg, FILE *out) -{ - if (msg->reread.flags & REREAD_SECRETS) - { - charon->credentials->load_secrets(charon->credentials, TRUE); - } - if (msg->reread.flags & REREAD_CACERTS) - { - charon->credentials->load_ca_certificates(charon->credentials); - } - if (msg->reread.flags & REREAD_OCSPCERTS) - { - charon->credentials->load_ocsp_certificates(charon->credentials); - } - if (msg->reread.flags & REREAD_AACERTS) - { - charon->credentials->load_aa_certificates(charon->credentials); - } - if (msg->reread.flags & REREAD_ACERTS) - { - charon->credentials->load_attr_certificates(charon->credentials); - } - if (msg->reread.flags & REREAD_CRLS) - { - charon->credentials->load_crls(charon->credentials); - } -} - -/** - * purge various information - */ -static void stroke_purge(stroke_msg_t *msg, FILE *out) -{ - if (msg->purge.flags & PURGE_OCSP) - { - iterator_t *iterator = charon->credentials->create_cainfo_iterator(charon->credentials); - ca_info_t *ca_info; - - while (iterator->iterate(iterator, (void**)&ca_info)) - { - if (ca_info->is_ca(ca_info)) - { - ca_info->purge_ocsp(ca_info); - } - } - iterator->destroy(iterator); - } -} - -signal_t get_signal_from_logtype(char *type) -{ - if (strcasecmp(type, "any") == 0) return SIG_ANY; - else if (strcasecmp(type, "mgr") == 0) return DBG_MGR; - else if (strcasecmp(type, "ike") == 0) return DBG_IKE; - else if (strcasecmp(type, "chd") == 0) return DBG_CHD; - else if (strcasecmp(type, "job") == 0) return DBG_JOB; - else if (strcasecmp(type, "cfg") == 0) return DBG_CFG; - else if (strcasecmp(type, "knl") == 0) return DBG_KNL; - else if (strcasecmp(type, "net") == 0) return DBG_NET; - else if (strcasecmp(type, "enc") == 0) return DBG_ENC; - else if (strcasecmp(type, "lib") == 0) return DBG_LIB; - else return -1; -} - -/** - * set the verbosity debug output - */ -static void stroke_loglevel(stroke_msg_t *msg, FILE *out) -{ - signal_t signal; - - pop_string(msg, &(msg->loglevel.type)); - DBG1(DBG_CFG, "received stroke: loglevel %d for %s", - msg->loglevel.level, msg->loglevel.type); - - signal = get_signal_from_logtype(msg->loglevel.type); - if (signal < 0) - { - fprintf(out, "invalid type (%s)!\n", msg->loglevel.type); - return; - } - - charon->outlog->set_level(charon->outlog, signal, msg->loglevel.level); - charon->syslog->set_level(charon->syslog, signal, msg->loglevel.level); -} - -/** - * process a stroke request from the socket pointed by "fd" - */ -static job_requeue_t stroke_process(int *fdp) -{ - stroke_msg_t *msg; - u_int16_t msg_length; - ssize_t bytes_read; - FILE *out; - int strokefd = *fdp; - - /* peek the length */ - bytes_read = recv(strokefd, &msg_length, sizeof(msg_length), MSG_PEEK); - if (bytes_read != sizeof(msg_length)) - { - DBG1(DBG_CFG, "reading length of stroke message failed: %s", - strerror(errno)); - close(strokefd); - return JOB_REQUEUE_NONE; - } - - /* read message */ - msg = malloc(msg_length); - bytes_read = recv(strokefd, msg, msg_length, 0); - if (bytes_read != msg_length) - { - DBG1(DBG_CFG, "reading stroke message failed: %s", strerror(errno)); - close(strokefd); - return JOB_REQUEUE_NONE; - } - - out = fdopen(strokefd, "w"); - if (out == NULL) - { - DBG1(DBG_CFG, "opening stroke output channel failed: %s", strerror(errno)); - close(strokefd); - free(msg); - return JOB_REQUEUE_NONE; - } - - DBG3(DBG_CFG, "stroke message %b", (void*)msg, msg_length); - - /* the stroke_* functions are blocking, as they listen on the bus. Add - * cancellation handlers. */ - pthread_cleanup_push((void*)fclose, out); - pthread_cleanup_push(free, msg); - - switch (msg->type) - { - case STR_INITIATE: - stroke_initiate(msg, out); - break; - case STR_ROUTE: - stroke_route(msg, out); - break; - case STR_UNROUTE: - stroke_unroute(msg, out); - break; - case STR_TERMINATE: - stroke_terminate(msg, out); - break; - case STR_STATUS: - stroke_status(msg, out, FALSE); - break; - case STR_STATUS_ALL: - stroke_status(msg, out, TRUE); - break; - case STR_ADD_CONN: - stroke_add_conn(msg, out); - break; - case STR_DEL_CONN: - stroke_del_conn(msg, out); - break; - case STR_ADD_CA: - stroke_add_ca(msg, out); - break; - case STR_DEL_CA: - stroke_del_ca(msg, out); - break; - case STR_LOGLEVEL: - stroke_loglevel(msg, out); - break; - case STR_LIST: - stroke_list(msg, out); - break; - case STR_REREAD: - stroke_reread(msg, out); - break; - case STR_PURGE: - stroke_purge(msg, out); - break; - default: - DBG1(DBG_CFG, "received unknown stroke"); - } - /* remove and execute cancellation handlers */ - pthread_cleanup_pop(1); - pthread_cleanup_pop(1); - - return JOB_REQUEUE_NONE; -} - -/** - * Implementation of private_stroke_interface_t.stroke_receive. - */ -static job_requeue_t stroke_receive(private_stroke_interface_t *this) -{ - struct sockaddr_un strokeaddr; - int strokeaddrlen = sizeof(strokeaddr); - int strokefd, *fdp; - int oldstate; - callback_job_t *job; - - pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, &oldstate); - strokefd = accept(this->socket, (struct sockaddr *)&strokeaddr, &strokeaddrlen); - pthread_setcancelstate(oldstate, NULL); - - if (strokefd < 0) - { - DBG1(DBG_CFG, "accepting stroke connection failed: %s", strerror(errno)); - return JOB_REQUEUE_FAIR; - } - - fdp = malloc_thing(int); - *fdp = strokefd; - job = callback_job_create((callback_job_cb_t)stroke_process, fdp, free, this->job); - charon->processor->queue_job(charon->processor, (job_t*)job); - - return JOB_REQUEUE_FAIR; -} - -/** - * Implementation of interface_t.destroy. - */ -static void destroy(private_stroke_interface_t *this) -{ - this->job->cancel(this->job); - free(this); -} - -/* - * Described in header-file - */ -interface_t *interface_create() -{ - struct sockaddr_un socket_addr = { AF_UNIX, STROKE_SOCKET}; - private_stroke_interface_t *this = malloc_thing(private_stroke_interface_t); - mode_t old; - - /* public functions */ - this->public.interface.destroy = (void (*)(interface_t*))destroy; - - /* set up unix socket */ - this->socket = socket(AF_UNIX, SOCK_STREAM, 0); - if (this->socket == -1) - { - DBG1(DBG_CFG, "could not create stroke socket"); - free(this); - return NULL; - } - - unlink(socket_addr.sun_path); - old = umask(~(S_IRWXU | S_IRWXG)); - if (bind(this->socket, (struct sockaddr *)&socket_addr, sizeof(socket_addr)) < 0) - { - DBG1(DBG_CFG, "could not bind stroke socket: %s", strerror(errno)); - close(this->socket); - free(this); - return NULL; - } - umask(old); - if (chown(socket_addr.sun_path, IPSEC_UID, IPSEC_GID) != 0) - { - DBG1(DBG_CFG, "changing stroke socket permissions failed: %s", - strerror(errno)); - } - - if (listen(this->socket, 0) < 0) - { - DBG1(DBG_CFG, "could not listen on stroke socket: %s", strerror(errno)); - close(this->socket); - unlink(socket_addr.sun_path); - free(this); - return NULL; - } - - this->job = callback_job_create((callback_job_cb_t)stroke_receive, - this, NULL, NULL); - charon->processor->queue_job(charon->processor, (job_t*)this->job); - - return &this->public.interface; -} - |