diff options
| author | Yves-Alexis Perez <corsac@debian.org> | 2013-10-17 21:23:38 +0200 |
|---|---|---|
| committer | Yves-Alexis Perez <corsac@debian.org> | 2013-10-17 21:23:38 +0200 |
| commit | 9d37ad77ef660b92ea51b69d74e14f931d2a04e2 (patch) | |
| tree | d6bbb4a5fed1959f8675df9ee7c03713b543fcc9 /src/libcharon/plugins/stroke/stroke_socket.c | |
| parent | 104f57d4b0fb6d7547d6898352eaa5fb4b222010 (diff) | |
| parent | e5ee4e7fcdd58b7d86bf1b458da2c63e8e19627b (diff) | |
| download | vyos-strongswan-9d37ad77ef660b92ea51b69d74e14f931d2a04e2.tar.gz vyos-strongswan-9d37ad77ef660b92ea51b69d74e14f931d2a04e2.zip | |
Merge tag 'v5.1.0-1' into sid
tag strongSwan 5.1.0-1
Diffstat (limited to 'src/libcharon/plugins/stroke/stroke_socket.c')
| -rw-r--r-- | src/libcharon/plugins/stroke/stroke_socket.c | 441 |
1 files changed, 177 insertions, 264 deletions
diff --git a/src/libcharon/plugins/stroke/stroke_socket.c b/src/libcharon/plugins/stroke/stroke_socket.c index 57648feb8..88f73f3b0 100644 --- a/src/libcharon/plugins/stroke/stroke_socket.c +++ b/src/libcharon/plugins/stroke/stroke_socket.c @@ -26,18 +26,15 @@ #include <hydra.h> #include <daemon.h> -#include <threading/mutex.h> -#include <threading/thread.h> -#include <threading/condvar.h> -#include <utils/linked_list.h> -#include <processing/jobs/callback_job.h> #include "stroke_config.h" #include "stroke_control.h" #include "stroke_cred.h" #include "stroke_ca.h" #include "stroke_attribute.h" +#include "stroke_handler.h" #include "stroke_list.h" +#include "stroke_counter.h" /** * To avoid clogging the thread pool with (blocking) jobs, we limit the number @@ -59,44 +56,9 @@ struct private_stroke_socket_t { stroke_socket_t public; /** - * Unix socket to listen for strokes + * Service accepting stroke connections */ - int socket; - - /** - * job accepting stroke messages - */ - callback_job_t *receiver; - - /** - * job handling stroke messages - */ - callback_job_t *handler; - - /** - * queued stroke commands - */ - linked_list_t *commands; - - /** - * lock for command list - */ - mutex_t *mutex; - - /** - * condvar to signal the arrival or completion of commands - */ - condvar_t *condvar; - - /** - * the number of currently handled commands - */ - u_int handling; - - /** - * the maximum number of concurrently handled commands - */ - u_int max_concurrent; + stream_service_t *service; /** * configuration backend @@ -109,6 +71,11 @@ struct private_stroke_socket_t { stroke_attribute_t *attribute; /** + * attribute handler (requests only) + */ + stroke_handler_t *handler; + + /** * controller to control daemon */ stroke_control_t *control; @@ -127,22 +94,11 @@ struct private_stroke_socket_t { * status information logging */ stroke_list_t *list; -}; - -/** - * job context to pass to processing thread - */ -struct stroke_job_context_t { /** - * file descriptor to read from + * Counter values for IKE events */ - int fd; - - /** - * global stroke interface - */ - private_stroke_socket_t *this; + stroke_counter_t *counter; }; /** @@ -181,6 +137,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end) pop_string(msg, &end->address); pop_string(msg, &end->subnets); pop_string(msg, &end->sourceip); + pop_string(msg, &end->dns); pop_string(msg, &end->auth); pop_string(msg, &end->auth2); pop_string(msg, &end->id); @@ -191,12 +148,14 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end) pop_string(msg, &end->ca); pop_string(msg, &end->ca2); pop_string(msg, &end->groups); + pop_string(msg, &end->groups2); pop_string(msg, &end->cert_policy); pop_string(msg, &end->updown); DBG2(DBG_CFG, " %s=%s", label, end->address); DBG2(DBG_CFG, " %ssubnet=%s", label, end->subnets); DBG2(DBG_CFG, " %ssourceip=%s", label, end->sourceip); + DBG2(DBG_CFG, " %sdns=%s", label, end->dns); DBG2(DBG_CFG, " %sauth=%s", label, end->auth); DBG2(DBG_CFG, " %sauth2=%s", label, end->auth2); DBG2(DBG_CFG, " %sid=%s", label, end->id); @@ -207,6 +166,7 @@ static void pop_end(stroke_msg_t *msg, const char* label, stroke_end_t *end) DBG2(DBG_CFG, " %sca=%s", label, end->ca); DBG2(DBG_CFG, " %sca2=%s", label, end->ca2); DBG2(DBG_CFG, " %sgroups=%s", label, end->groups); + DBG2(DBG_CFG, " %sgroups2=%s", label, end->groups2); DBG2(DBG_CFG, " %supdown=%s", label, end->updown); } @@ -223,23 +183,28 @@ static void stroke_add_conn(private_stroke_socket_t *this, stroke_msg_t *msg) pop_end(msg, "right", &msg->add_conn.other); pop_string(msg, &msg->add_conn.eap_identity); pop_string(msg, &msg->add_conn.aaa_identity); + pop_string(msg, &msg->add_conn.xauth_identity); pop_string(msg, &msg->add_conn.algorithms.ike); pop_string(msg, &msg->add_conn.algorithms.esp); pop_string(msg, &msg->add_conn.ikeme.mediated_by); pop_string(msg, &msg->add_conn.ikeme.peerid); DBG2(DBG_CFG, " eap_identity=%s", msg->add_conn.eap_identity); DBG2(DBG_CFG, " aaa_identity=%s", msg->add_conn.aaa_identity); + DBG2(DBG_CFG, " xauth_identity=%s", msg->add_conn.xauth_identity); DBG2(DBG_CFG, " ike=%s", msg->add_conn.algorithms.ike); DBG2(DBG_CFG, " esp=%s", msg->add_conn.algorithms.esp); DBG2(DBG_CFG, " dpddelay=%d", msg->add_conn.dpd.delay); + DBG2(DBG_CFG, " dpdtimeout=%d", msg->add_conn.dpd.timeout); DBG2(DBG_CFG, " dpdaction=%d", msg->add_conn.dpd.action); DBG2(DBG_CFG, " closeaction=%d", msg->add_conn.close_action); DBG2(DBG_CFG, " mediation=%s", msg->add_conn.ikeme.mediation ? "yes" : "no"); DBG2(DBG_CFG, " mediated_by=%s", msg->add_conn.ikeme.mediated_by); DBG2(DBG_CFG, " me_peerid=%s", msg->add_conn.ikeme.peerid); + DBG2(DBG_CFG, " keyexchange=ikev%u", msg->add_conn.version); this->config->add(this->config, msg); - this->attribute->add_pool(this->attribute, msg); + this->attribute->add_dns(this->attribute, msg); + this->handler->add_attributes(this->handler, msg); } /** @@ -251,7 +216,8 @@ static void stroke_del_conn(private_stroke_socket_t *this, stroke_msg_t *msg) DBG1(DBG_CFG, "received stroke: delete connection '%s'", msg->del_conn.name); this->config->del(this->config, msg); - this->attribute->del_pool(this->attribute, msg); + this->attribute->del_dns(this->attribute, msg); + this->handler->del_attributes(this->handler, msg); } /** @@ -376,7 +342,8 @@ static void stroke_status(private_stroke_socket_t *this, /** * list various information */ -static void stroke_list(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out) +static void stroke_list(private_stroke_socket_t *this, stroke_msg_t *msg, + FILE *out) { if (msg->list.flags & LIST_CAINFOS) { @@ -419,6 +386,20 @@ static void stroke_purge(private_stroke_socket_t *this, } /** + * Print a certificate in PEM to out + */ +static void print_pem_cert(FILE *out, certificate_t *cert) +{ + chunk_t encoded; + + if (cert->get_encoding(cert, CERT_PEM, &encoded)) + { + fprintf(out, "%.*s", (int)encoded.len, encoded.ptr); + free(encoded.ptr); + } +} + +/** * Export in-memory credentials */ static void stroke_export(private_stroke_socket_t *this, @@ -431,22 +412,67 @@ static void stroke_export(private_stroke_socket_t *this, enumerator_t *enumerator; identification_t *id; certificate_t *cert; - chunk_t encoded; id = identification_create_from_string(msg->export.selector); enumerator = lib->credmgr->create_cert_enumerator(lib->credmgr, CERT_X509, KEY_ANY, id, FALSE); while (enumerator->enumerate(enumerator, &cert)) { - if (cert->get_encoding(cert, CERT_PEM, &encoded)) - { - fprintf(out, "%.*s", (int)encoded.len, encoded.ptr); - free(encoded.ptr); - } + print_pem_cert(out, cert); } enumerator->destroy(enumerator); id->destroy(id); } + + if (msg->export.flags & (EXPORT_CONN_CERT | EXPORT_CONN_CHAIN)) + { + enumerator_t *sas, *auths, *certs; + ike_sa_t *ike_sa; + auth_cfg_t *auth; + certificate_t *cert; + auth_rule_t rule; + + sas = charon->ike_sa_manager->create_enumerator( + charon->ike_sa_manager, TRUE); + while (sas->enumerate(sas, &ike_sa)) + { + if (streq(msg->export.selector, ike_sa->get_name(ike_sa))) + { + auths = ike_sa->create_auth_cfg_enumerator(ike_sa, FALSE); + while (auths->enumerate(auths, &auth)) + { + bool got_subject = FALSE; + + certs = auth->create_enumerator(auth); + while (certs->enumerate(certs, &rule, &cert)) + { + switch (rule) + { + case AUTH_RULE_CA_CERT: + case AUTH_RULE_IM_CERT: + if (msg->export.flags & EXPORT_CONN_CHAIN) + { + print_pem_cert(out, cert); + } + break; + case AUTH_RULE_SUBJECT_CERT: + if (!got_subject) + { + print_pem_cert(out, cert); + got_subject = TRUE; + } + break; + default: + break; + } + } + certs->destroy(certs); + } + auths->destroy(auths); + } + } + sas->destroy(sas); + } } /** @@ -489,39 +515,49 @@ static void stroke_user_creds(private_stroke_socket_t *this, } /** + * Print stroke counter values + */ +static void stroke_counters(private_stroke_socket_t *this, + stroke_msg_t *msg, FILE *out) +{ + pop_string(msg, &msg->counters.name); + + if (msg->counters.reset) + { + this->counter->reset(this->counter, msg->counters.name); + } + else + { + this->counter->print(this->counter, out, msg->counters.name); + } +} + +/** * set the verbosity debug output */ static void stroke_loglevel(private_stroke_socket_t *this, stroke_msg_t *msg, FILE *out) { - enumerator_t *enumerator; - sys_logger_t *sys_logger; - file_logger_t *file_logger; debug_t group; pop_string(msg, &(msg->loglevel.type)); DBG1(DBG_CFG, "received stroke: loglevel %d for %s", msg->loglevel.level, msg->loglevel.type); - group = enum_from_name(debug_names, msg->loglevel.type); - if ((int)group < 0) + if (strcaseeq(msg->loglevel.type, "any")) { - fprintf(out, "invalid type (%s)!\n", msg->loglevel.type); - return; - } - /* we set the loglevel on ALL sys- and file-loggers */ - enumerator = charon->sys_loggers->create_enumerator(charon->sys_loggers); - while (enumerator->enumerate(enumerator, &sys_logger)) - { - sys_logger->set_level(sys_logger, group, msg->loglevel.level); + group = DBG_ANY; } - enumerator->destroy(enumerator); - enumerator = charon->file_loggers->create_enumerator(charon->file_loggers); - while (enumerator->enumerate(enumerator, &file_logger)) + else { - file_logger->set_level(file_logger, group, msg->loglevel.level); + group = enum_from_name(debug_names, msg->loglevel.type); + if ((int)group < 0) + { + fprintf(out, "invalid type (%s)!\n", msg->loglevel.type); + return; + } } - enumerator->destroy(enumerator); + charon->set_level(charon, group, msg->loglevel.level); } /** @@ -534,68 +570,47 @@ static void stroke_config(private_stroke_socket_t *this, } /** - * destroy a job context + * process a stroke request */ -static void stroke_job_context_destroy(stroke_job_context_t *this) -{ - if (this->fd) - { - close(this->fd); - } - free(this); -} - -/** - * called to signal the completion of a command - */ -static inline job_requeue_t job_processed(private_stroke_socket_t *this) -{ - this->mutex->lock(this->mutex); - this->handling--; - this->condvar->signal(this->condvar); - this->mutex->unlock(this->mutex); - return JOB_REQUEUE_NONE; -} - -/** - * process a stroke request from the socket pointed by "fd" - */ -static job_requeue_t process(stroke_job_context_t *ctx) +static bool on_accept(private_stroke_socket_t *this, stream_t *stream) { stroke_msg_t *msg; - u_int16_t msg_length; - ssize_t bytes_read; + u_int16_t len; FILE *out; - private_stroke_socket_t *this = ctx->this; - int strokefd = ctx->fd; - /* peek the length */ - bytes_read = recv(strokefd, &msg_length, sizeof(msg_length), MSG_PEEK); - if (bytes_read != sizeof(msg_length)) + /* read length */ + if (!stream->read_all(stream, &len, sizeof(len))) { - DBG1(DBG_CFG, "reading length of stroke message failed: %s", - strerror(errno)); - return job_processed(this); + if (errno != EWOULDBLOCK) + { + DBG1(DBG_CFG, "reading length of stroke message failed: %s", + strerror(errno)); + } + return FALSE; } /* read message */ - msg = alloca(msg_length); - bytes_read = recv(strokefd, msg, msg_length, 0); - if (bytes_read != msg_length) + msg = malloc(len); + msg->length = len; + if (!stream->read_all(stream, (char*)msg + sizeof(len), len - sizeof(len))) { - DBG1(DBG_CFG, "reading stroke message failed: %s", strerror(errno)); - return job_processed(this); + if (errno != EWOULDBLOCK) + { + DBG1(DBG_CFG, "reading stroke message failed: %s", strerror(errno)); + } + free(msg); + return FALSE; } - out = fdopen(strokefd, "w+"); - if (out == NULL) + DBG3(DBG_CFG, "stroke message %b", (void*)msg, len); + + out = stream->get_file(stream); + if (!out) { - DBG1(DBG_CFG, "opening stroke output channel failed: %s", strerror(errno)); - return job_processed(this); + DBG1(DBG_CFG, "creating stroke output stream failed"); + free(msg); + return FALSE; } - - DBG3(DBG_CFG, "stroke message %b", (void*)msg, msg_length); - switch (msg->type) { case STR_INITIATE: @@ -664,138 +679,36 @@ static job_requeue_t process(stroke_job_context_t *ctx) case STR_USER_CREDS: stroke_user_creds(this, msg, out); break; + case STR_COUNTERS: + stroke_counters(this, msg, out); + break; default: DBG1(DBG_CFG, "received unknown stroke"); break; } + free(msg); fclose(out); - /* fclose() closes underlying FD */ - ctx->fd = 0; - return job_processed(this); -} - -/** - * Handle queued stroke commands - */ -static job_requeue_t handle(private_stroke_socket_t *this) -{ - stroke_job_context_t *ctx; - callback_job_t *job; - bool oldstate; - - this->mutex->lock(this->mutex); - thread_cleanup_push((thread_cleanup_t)this->mutex->unlock, this->mutex); - oldstate = thread_cancelability(TRUE); - while (this->commands->get_count(this->commands) == 0 || - this->handling >= this->max_concurrent) - { - this->condvar->wait(this->condvar, this->mutex); - } - thread_cancelability(oldstate); - this->commands->remove_first(this->commands, (void**)&ctx); - this->handling++; - thread_cleanup_pop(TRUE); - job = callback_job_create_with_prio((callback_job_cb_t)process, ctx, - (void*)stroke_job_context_destroy, this->handler, JOB_PRIO_HIGH); - lib->processor->queue_job(lib->processor, (job_t*)job); - return JOB_REQUEUE_DIRECT; -} - -/** - * Accept stroke commands and queue them to be handled - */ -static job_requeue_t receive(private_stroke_socket_t *this) -{ - struct sockaddr_un strokeaddr; - int strokeaddrlen = sizeof(strokeaddr); - int strokefd; - bool oldstate; - stroke_job_context_t *ctx; - - oldstate = thread_cancelability(TRUE); - strokefd = accept(this->socket, (struct sockaddr *)&strokeaddr, &strokeaddrlen); - thread_cancelability(oldstate); - - if (strokefd < 0) - { - DBG1(DBG_CFG, "accepting stroke connection failed: %s", strerror(errno)); - return JOB_REQUEUE_FAIR; - } - - INIT(ctx, - .fd = strokefd, - .this = this, - ); - this->mutex->lock(this->mutex); - this->commands->insert_last(this->commands, ctx); - this->condvar->signal(this->condvar); - this->mutex->unlock(this->mutex); - - return JOB_REQUEUE_FAIR; -} - -/** - * initialize and open stroke socket - */ -static bool open_socket(private_stroke_socket_t *this) -{ - struct sockaddr_un socket_addr; - mode_t old; - - socket_addr.sun_family = AF_UNIX; - strcpy(socket_addr.sun_path, STROKE_SOCKET); - - /* set up unix socket */ - this->socket = socket(AF_UNIX, SOCK_STREAM, 0); - if (this->socket == -1) - { - DBG1(DBG_CFG, "could not create stroke socket"); - return FALSE; - } - - 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); - return FALSE; - } - umask(old); - if (chown(socket_addr.sun_path, charon->uid, charon->gid) != 0) - { - DBG1(DBG_CFG, "changing stroke socket permissions failed: %s", - strerror(errno)); - } - - if (listen(this->socket, 10) < 0) - { - DBG1(DBG_CFG, "could not listen on stroke socket: %s", strerror(errno)); - close(this->socket); - unlink(socket_addr.sun_path); - return FALSE; - } - return TRUE; + return FALSE; } METHOD(stroke_socket_t, destroy, void, private_stroke_socket_t *this) { - this->handler->cancel(this->handler); - this->receiver->cancel(this->receiver); - this->commands->destroy_function(this->commands, (void*)stroke_job_context_destroy); - this->condvar->destroy(this->condvar); - this->mutex->destroy(this->mutex); + DESTROY_IF(this->service); lib->credmgr->remove_set(lib->credmgr, &this->ca->set); lib->credmgr->remove_set(lib->credmgr, &this->cred->set); charon->backends->remove_backend(charon->backends, &this->config->backend); hydra->attributes->remove_provider(hydra->attributes, &this->attribute->provider); + hydra->attributes->remove_handler(hydra->attributes, &this->handler->handler); + charon->bus->remove_listener(charon->bus, &this->counter->listener); this->cred->destroy(this->cred); this->ca->destroy(this->ca); this->config->destroy(this->config); this->attribute->destroy(this->attribute); + this->handler->destroy(this->handler); this->control->destroy(this->control); this->list->destroy(this->list); + this->counter->destroy(this->counter); free(this); } @@ -805,6 +718,8 @@ METHOD(stroke_socket_t, destroy, void, stroke_socket_t *stroke_socket_create() { private_stroke_socket_t *this; + int max_concurrent; + char *uri; INIT(this, .public = { @@ -812,38 +727,36 @@ stroke_socket_t *stroke_socket_create() }, ); - if (!open_socket(this)) - { - free(this); - return NULL; - } - this->cred = stroke_cred_create(); this->attribute = stroke_attribute_create(); + this->handler = stroke_handler_create(); this->ca = stroke_ca_create(this->cred); - this->config = stroke_config_create(this->ca, this->cred); + this->config = stroke_config_create(this->ca, this->cred, this->attribute); this->control = stroke_control_create(); this->list = stroke_list_create(this->attribute); - - this->mutex = mutex_create(MUTEX_TYPE_DEFAULT); - this->condvar = condvar_create(CONDVAR_TYPE_DEFAULT); - this->commands = linked_list_create(); - this->max_concurrent = lib->settings->get_int(lib->settings, - "charon.plugins.stroke.max_concurrent", MAX_CONCURRENT_DEFAULT); + this->counter = stroke_counter_create(); lib->credmgr->add_set(lib->credmgr, &this->ca->set); lib->credmgr->add_set(lib->credmgr, &this->cred->set); charon->backends->add_backend(charon->backends, &this->config->backend); hydra->attributes->add_provider(hydra->attributes, &this->attribute->provider); - - this->receiver = callback_job_create_with_prio((callback_job_cb_t)receive, - this, NULL, NULL, JOB_PRIO_CRITICAL); - lib->processor->queue_job(lib->processor, (job_t*)this->receiver); - - this->handler = callback_job_create_with_prio((callback_job_cb_t)handle, - this, NULL, NULL, JOB_PRIO_CRITICAL); - lib->processor->queue_job(lib->processor, (job_t*)this->handler); + hydra->attributes->add_handler(hydra->attributes, &this->handler->handler); + charon->bus->add_listener(charon->bus, &this->counter->listener); + + max_concurrent = lib->settings->get_int(lib->settings, + "%s.plugins.stroke.max_concurrent", MAX_CONCURRENT_DEFAULT, + charon->name); + uri = lib->settings->get_str(lib->settings, + "%s.plugins.stroke.socket", "unix://" STROKE_SOCKET, charon->name); + this->service = lib->streams->create_service(lib->streams, uri, 10); + if (!this->service) + { + DBG1(DBG_CFG, "creating stroke socket failed"); + destroy(this); + return NULL; + } + this->service->on_accept(this->service, (stream_service_cb_t)on_accept, + this, JOB_PRIO_CRITICAL, max_concurrent); return &this->public; } - |
