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bind.34201
bind-CVE-2023-50387-CVE-2023-50868.patch
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File bind-CVE-2023-50387-CVE-2023-50868.patch of Package bind.34201
From 8b7ecba9885e163c07c2dd3e1ceab79b2ba89e34 Mon Sep 17 00:00:00 2001 From: Mark Andrews <marka@isc.org> Date: Wed, 22 Nov 2023 16:59:03 +1100 Subject: [PATCH 1/5] Fail the DNSSEC validation on the first failure Be more strict when encountering DNSSEC validation failures - fail on the first failure. This will break domains that have DNSSEC signing keys with duplicate key ids, but this is something that's much easier to fix on the authoritative side, so we are just going to be strict on the resolver side where it is causing performance problems. --- lib/dns/include/dns/validator.h | 1 + lib/dns/validator.c | 42 ++++++++++----------------------- 2 files changed, 13 insertions(+), 30 deletions(-) Index: bind-9.16.6/lib/dns/include/dns/validator.h =================================================================== --- bind-9.16.6.orig/lib/dns/include/dns/validator.h +++ bind-9.16.6/lib/dns/include/dns/validator.h @@ -147,6 +147,7 @@ struct dns_validator { unsigned int depth; unsigned int authcount; unsigned int authfail; + bool failed; isc_stdtime_t start; }; Index: bind-9.16.6/lib/dns/validator.c =================================================================== --- bind-9.16.6.orig/lib/dns/validator.c +++ bind-9.16.6/lib/dns/validator.c @@ -1105,59 +1105,60 @@ select_signing_key(dns_validator_t *val, isc_buffer_t b; dns_rdata_t rdata = DNS_RDATA_INIT; dst_key_t *oldkey = val->key; - bool foundold; + bool no_rdata = false; if (oldkey == NULL) { - foundold = true; + result = dns_rdataset_first(rdataset); } else { - foundold = false; + dst_key_free(&oldkey); val->key = NULL; + result = dns_rdataset_next(rdataset); } - result = dns_rdataset_first(rdataset); if (result != ISC_R_SUCCESS) { - goto failure; - } + goto done; + } + do { dns_rdataset_current(rdataset, &rdata); isc_buffer_init(&b, rdata.data, rdata.length); isc_buffer_add(&b, rdata.length); INSIST(val->key == NULL); - result = dst_key_fromdns(&siginfo->signer, rdata.rdclass, &b, - val->view->mctx, &val->key); + result = dst_key_fromdns_ex(&siginfo->signer, rdata.rdclass, &b, + val->view->mctx, no_rdata, + &val->key); if (result == ISC_R_SUCCESS) { if (siginfo->algorithm == (dns_secalg_t)dst_key_alg(val->key) && siginfo->keyid == (dns_keytag_t)dst_key_id(val->key) && + (dst_key_flags(val->key) & DNS_KEYFLAG_REVOKE) == + 0 && dst_key_iszonekey(val->key)) { - if (foundold) { - /* - * This is the key we're looking for. - */ - return (ISC_R_SUCCESS); - } else if (dst_key_compare(oldkey, val->key)) { - foundold = true; - dst_key_free(&oldkey); + if (no_rdata) { + /* Retry with full key */ + dns_rdata_reset(&rdata); + dst_key_free(&val->key); + no_rdata = false; + continue; } + /* This is the key we're looking for. */ + goto done; } dst_key_free(&val->key); } dns_rdata_reset(&rdata); result = dns_rdataset_next(rdataset); + no_rdata = true; } while (result == ISC_R_SUCCESS); +done: if (result == ISC_R_NOMORE) { result = ISC_R_NOTFOUND; } -failure: - if (oldkey != NULL) { - dst_key_free(&oldkey); - } - return (result); } @@ -1550,20 +1551,10 @@ validate_answer(dns_validator_t *val, bo continue; } - do { - isc_result_t tresult; - vresult = verify(val, val->key, &rdata, - val->siginfo->keyid); - if (vresult == ISC_R_SUCCESS) { - break; - } - - tresult = select_signing_key(val, val->keyset); - if (tresult != ISC_R_SUCCESS) { - break; - } - } while (1); + vresult = verify(val, val->key, &rdata, + val->siginfo->keyid); if (vresult != ISC_R_SUCCESS) { + val->failed = true; validator_log(val, ISC_LOG_DEBUG(3), "failed to verify rdataset"); } else { @@ -1600,9 +1591,13 @@ validate_answer(dns_validator_t *val, bo } else { validator_log(val, ISC_LOG_DEBUG(3), "verify failure: %s", - isc_result_totext(result)); + isc_result_totext(vresult)); resume = false; } + if (val->failed) { + result = ISC_R_NOMORE; + break; + } } if (result != ISC_R_NOMORE) { validator_log(val, ISC_LOG_DEBUG(3), Index: bind-9.16.6/lib/dns/resolver.c =================================================================== --- bind-9.16.6.orig/lib/dns/resolver.c +++ bind-9.16.6/lib/dns/resolver.c @@ -10349,7 +10349,7 @@ dns_resolver_create(dns_view_t *view, is * Since we have a pool of tasks we bind them to task queues * to spread the load evenly */ - result = isc_task_create_bound(taskmgr, 0, + result = isc_task_create_bound(taskmgr, ISC_TASK_QUANTUM_SLOW, &res->buckets[i].task, i); if (result != ISC_R_SUCCESS) { isc_mutex_destroy(&res->buckets[i].lock); Index: bind-9.16.6/lib/isc/include/isc/task.h =================================================================== --- bind-9.16.6.orig/lib/isc/include/isc/task.h +++ bind-9.16.6/lib/isc/include/isc/task.h @@ -95,6 +95,13 @@ ISC_LANG_BEGINDECLS ***/ typedef enum { + isc_taskqueue_normal = 0, + isc_taskqueue_slow = 1, +} isc_taskqueue_t; + +#define ISC_TASK_QUANTUM_SLOW 1024 + +typedef enum { isc_taskmgrmode_normal = 0, isc_taskmgrmode_privileged } isc_taskmgrmode_t; Index: bind-9.16.6/lib/isc/task.c =================================================================== --- bind-9.16.6.orig/lib/isc/task.c +++ bind-9.16.6/lib/isc/task.c @@ -113,11 +113,12 @@ struct isc__task { isc_eventlist_t on_shutdown; unsigned int nevents; unsigned int quantum; + unsigned int qid; isc_stdtime_t now; isc_time_t tnow; char name[16]; void *tag; - unsigned int threadid; + unsigned int queueid; bool bound; /* Protected by atomics */ atomic_uint_fast32_t flags; @@ -146,11 +147,11 @@ typedef ISC_LIST(isc__task_t) isc__taskl struct isc__taskqueue { /* Everything locked by lock */ isc_mutex_t lock; - isc__tasklist_t ready_tasks; - isc__tasklist_t ready_priority_tasks; - isc_condition_t work_available; - isc_thread_t thread; - unsigned int threadid; + isc__tasklist_t ready_tasks[2]; + isc__tasklist_t ready_priority_tasks[2]; + isc_condition_t work_available[2]; + isc_thread_t threads[2]; + unsigned int queueid; isc__taskmgr_t *manager; }; @@ -161,7 +162,7 @@ struct isc__taskmgr { isc_mutex_t lock; isc_mutex_t halt_lock; isc_condition_t halt_cond; - unsigned int workers; + unsigned int queue_count; atomic_uint_fast32_t tasks_running; atomic_uint_fast32_t tasks_ready; atomic_uint_fast32_t curq; @@ -212,13 +213,13 @@ isc_taskmgr_setexcltask(isc_taskmgr_t *m isc_result_t isc_taskmgr_excltask(isc_taskmgr_t *mgr0, isc_task_t **taskp); static inline bool -empty_readyq(isc__taskmgr_t *manager, int c); +empty_readyq(isc__taskmgr_t *manager, int c, isc_taskqueue_t qid); static inline isc__task_t * -pop_readyq(isc__taskmgr_t *manager, int c); +pop_readyq(isc__taskmgr_t *manager, int c, isc_taskqueue_t qid); static inline void -push_readyq(isc__taskmgr_t *manager, isc__task_t *task, int c); +push_readyq(isc__taskmgr_t *manager, isc__task_t *task, int c, isc_taskqueue_t qid); static inline void wake_all_queues(isc__taskmgr_t *manager); @@ -229,9 +230,10 @@ wake_all_queues(isc__taskmgr_t *manager) static inline void wake_all_queues(isc__taskmgr_t *manager) { - for (unsigned int i = 0; i < manager->workers; i++) { + for (unsigned int i = 0; i < manager->queue_count; i++) { LOCK(&manager->queues[i].lock); - BROADCAST(&manager->queues[i].work_available); + BROADCAST(&manager->queues[i].work_available[isc_taskqueue_normal]); + BROADCAST(&manager->queues[i].work_available[isc_taskqueue_slow]); UNLOCK(&manager->queues[i].lock); } } @@ -275,7 +277,7 @@ isc_task_create(isc_taskmgr_t *manager0, isc_result_t isc_task_create_bound(isc_taskmgr_t *manager0, unsigned int quantum, - isc_task_t **taskp, int threadid) { + isc_task_t **taskp, int queueid) { isc__taskmgr_t *manager = (isc__taskmgr_t *)manager0; isc__task_t *task; bool exiting; @@ -287,21 +289,21 @@ isc_task_create_bound(isc_taskmgr_t *man XTRACE("isc_task_create"); task->manager = manager; - if (threadid == -1) { + if (queueid == -1) { /* - * Task is not pinned to a queue, it's threadid will be + * Task is not pinned to a queue, it's queueid will be * chosen when first task will be sent to it - either * randomly or specified by isc_task_sendto. */ task->bound = false; - task->threadid = 0; + task->queueid = 0; } else { /* * Task is pinned to a queue, it'll always be run * by a specific thread. */ task->bound = true; - task->threadid = threadid % manager->workers; + task->queueid = queueid % manager->queue_count; } isc_mutex_init(&task->lock); @@ -312,6 +314,12 @@ isc_task_create_bound(isc_taskmgr_t *man INIT_LIST(task->events); INIT_LIST(task->on_shutdown); task->nevents = 0; + if (quantum >= ISC_TASK_QUANTUM_SLOW) { + task->qid = isc_taskqueue_slow; + quantum = quantum - ISC_TASK_QUANTUM_SLOW; + } else { + task->qid = isc_taskqueue_normal; + } task->quantum = (quantum > 0) ? quantum : manager->default_quantum; atomic_init(&task->flags, 0); task->now = 0; @@ -415,13 +423,13 @@ task_ready(isc__task_t *task) { REQUIRE(VALID_MANAGER(manager)); XTRACE("task_ready"); - LOCK(&manager->queues[task->threadid].lock); - push_readyq(manager, task, task->threadid); + LOCK(&manager->queues[task->queueid].lock); + push_readyq(manager, task, task->queueid, task->qid); if (atomic_load(&manager->mode) == isc_taskmgrmode_normal || has_privilege) { - SIGNAL(&manager->queues[task->threadid].work_available); + SIGNAL(&manager->queues[task->queueid].work_available[task->qid]); } - UNLOCK(&manager->queues[task->threadid].lock); + UNLOCK(&manager->queues[task->queueid].lock); } static inline bool @@ -498,7 +506,7 @@ task_send(isc__task_t *task, isc_event_t if (task->state == task_state_idle) { was_idle = true; - task->threadid = c; + task->queueid = c; INSIST(EMPTY(task->events)); task->state = task_state_ready; } @@ -542,12 +550,12 @@ isc_task_sendto(isc_task_t *task0, isc_e LOCK(&task->lock); /* If task is bound ignore provided cpu. */ if (task->bound) { - c = task->threadid; + c = task->queueid; } else if (c < 0) { c = atomic_fetch_add_explicit(&task->manager->curq, 1, memory_order_relaxed); } - c %= task->manager->workers; + c %= task->manager->queue_count; was_idle = task_send(task, eventp, c); UNLOCK(&task->lock); @@ -588,12 +596,12 @@ isc_task_sendtoanddetach(isc_task_t **ta LOCK(&task->lock); if (task->bound) { - c = task->threadid; + c = task->queueid; } else if (c < 0) { c = atomic_fetch_add_explicit(&task->manager->curq, 1, memory_order_relaxed); } - c %= task->manager->workers; + c %= task->manager->queue_count; idle1 = task_send(task, eventp, c); idle2 = task_detach(task); UNLOCK(&task->lock); @@ -909,13 +917,13 @@ isc_task_getcurrenttimex(isc_task_t *tas * Caller must hold the task manager lock. */ static inline bool -empty_readyq(isc__taskmgr_t *manager, int c) { +empty_readyq(isc__taskmgr_t *manager, int c, isc_taskqueue_t qid) { isc__tasklist_t queue; if (atomic_load_relaxed(&manager->mode) == isc_taskmgrmode_normal) { - queue = manager->queues[c].ready_tasks; + queue = manager->queues[c].ready_tasks[qid]; } else { - queue = manager->queues[c].ready_priority_tasks; + queue = manager->queues[c].ready_priority_tasks[qid]; } return (EMPTY(queue)); } @@ -929,19 +937,19 @@ empty_readyq(isc__taskmgr_t *manager, in * Caller must hold the task manager lock. */ static inline isc__task_t * -pop_readyq(isc__taskmgr_t *manager, int c) { +pop_readyq(isc__taskmgr_t *manager, int c, isc_taskqueue_t qid) { isc__task_t *task; if (atomic_load_relaxed(&manager->mode) == isc_taskmgrmode_normal) { - task = HEAD(manager->queues[c].ready_tasks); + task = HEAD(manager->queues[c].ready_tasks[qid]); } else { - task = HEAD(manager->queues[c].ready_priority_tasks); + task = HEAD(manager->queues[c].ready_priority_tasks[qid]); } if (task != NULL) { - DEQUEUE(manager->queues[c].ready_tasks, task, ready_link); + DEQUEUE(manager->queues[c].ready_tasks[qid], task, ready_link); if (ISC_LINK_LINKED(task, ready_priority_link)) { - DEQUEUE(manager->queues[c].ready_priority_tasks, task, + DEQUEUE(manager->queues[c].ready_priority_tasks[qid], task, ready_priority_link); } } @@ -956,13 +964,13 @@ pop_readyq(isc__taskmgr_t *manager, int * Caller must hold the task queue lock. */ static inline void -push_readyq(isc__taskmgr_t *manager, isc__task_t *task, int c) { +push_readyq(isc__taskmgr_t *manager, isc__task_t *task, int c, isc_taskqueue_t qid) { if (ISC_LINK_LINKED(task, ready_link)) { return; } - ENQUEUE(manager->queues[c].ready_tasks, task, ready_link); + ENQUEUE(manager->queues[c].ready_tasks[qid], task, ready_link); if (TASK_PRIVILEGED(task)) { - ENQUEUE(manager->queues[c].ready_priority_tasks, task, + ENQUEUE(manager->queues[c].ready_priority_tasks[qid], task, ready_priority_link); } atomic_fetch_add_explicit(&manager->tasks_ready, 1, @@ -970,7 +978,7 @@ push_readyq(isc__taskmgr_t *manager, isc } static void -dispatch(isc__taskmgr_t *manager, unsigned int threadid) { +dispatch(isc__taskmgr_t *manager, unsigned int queueid, isc_taskqueue_t qid) { isc__task_t *task; REQUIRE(VALID_MANAGER(manager)); @@ -1028,7 +1036,7 @@ dispatch(isc__taskmgr_t *manager, unsign * For N iterations of the loop, this code does N+1 locks and N+1 * unlocks. The while expression is always protected by the lock. */ - LOCK(&manager->queues[threadid].lock); + LOCK(&manager->queues[queueid].lock); while (!FINISHED(manager)) { /* @@ -1041,7 +1049,7 @@ dispatch(isc__taskmgr_t *manager, unsign * If a pause has been requested, don't do any work * until it's been released. */ - while ((empty_readyq(manager, threadid) && + while ((empty_readyq(manager, queueid, qid) && !atomic_load_relaxed(&manager->pause_req) && !atomic_load_relaxed(&manager->exclusive_req)) && !FINISHED(manager)) @@ -1054,8 +1062,8 @@ dispatch(isc__taskmgr_t *manager, unsign atomic_load_relaxed(&manager->exclusive_req) ? "excreq" : "notexcreq"); - WAIT(&manager->queues[threadid].work_available, - &manager->queues[threadid].lock); + WAIT(&manager->queues[queueid].work_available[qid], + &manager->queues[queueid].lock); XTHREADTRACE("awake"); } XTHREADTRACE("working"); @@ -1063,7 +1071,7 @@ dispatch(isc__taskmgr_t *manager, unsign if (atomic_load_relaxed(&manager->pause_req) || atomic_load_relaxed(&manager->exclusive_req)) { - UNLOCK(&manager->queues[threadid].lock); + UNLOCK(&manager->queues[queueid].lock); XTHREADTRACE("halting"); /* @@ -1091,12 +1099,12 @@ dispatch(isc__taskmgr_t *manager, unsign SIGNAL(&manager->halt_cond); UNLOCK(&manager->halt_lock); - LOCK(&manager->queues[threadid].lock); + LOCK(&manager->queues[queueid].lock); /* Restart the loop after */ continue; } - task = pop_readyq(manager, threadid); + task = pop_readyq(manager, queueid, qid); if (task != NULL) { unsigned int dispatch_count = 0; bool done = false; @@ -1111,7 +1119,7 @@ dispatch(isc__taskmgr_t *manager, unsign * have a task to do. We must reacquire the queue * lock before exiting the 'if (task != NULL)' block. */ - UNLOCK(&manager->queues[threadid].lock); + UNLOCK(&manager->queues[queueid].lock); RUNTIME_CHECK(atomic_fetch_sub_explicit( &manager->tasks_ready, 1, memory_order_release) > 0); @@ -1127,7 +1135,7 @@ dispatch(isc__taskmgr_t *manager, unsign */ if (task->state != task_state_ready) { UNLOCK(&task->lock); - LOCK(&manager->queues[threadid].lock); + LOCK(&manager->queues[queueid].lock); continue; } INSIST(task->state == task_state_ready); @@ -1253,7 +1261,7 @@ dispatch(isc__taskmgr_t *manager, unsign RUNTIME_CHECK(atomic_fetch_sub_explicit( &manager->tasks_running, 1, memory_order_release) > 0); - LOCK(&manager->queues[threadid].lock); + LOCK(&manager->queues[queueid].lock); if (requeue) { /* * We know we're awake, so we don't have @@ -1274,7 +1282,7 @@ dispatch(isc__taskmgr_t *manager, unsign * were usually nonempty, the 'optimization' * might even hurt rather than help. */ - push_readyq(manager, task, threadid); + push_readyq(manager, task, queueid, qid); } } @@ -1289,7 +1297,7 @@ dispatch(isc__taskmgr_t *manager, unsign atomic_load_explicit(&manager->tasks_running, memory_order_acquire) == 0) { - UNLOCK(&manager->queues[threadid].lock); + UNLOCK(&manager->queues[queueid].lock); LOCK(&manager->lock); /* * Check once again, under lock. Mode can only @@ -1305,10 +1313,17 @@ dispatch(isc__taskmgr_t *manager, unsign { bool empty = true; unsigned int i; - for (i = 0; i < manager->workers && empty; i++) + for (i = 0; i < manager->queue_count && empty; i++) { LOCK(&manager->queues[i].lock); - empty &= empty_readyq(manager, i); + if (!empty_readyq(manager, i, isc_taskqueue_normal)) { + BROADCAST(&manager->queues[i].work_available[isc_taskqueue_normal]); + empty = false; + } + if (!empty_readyq(manager, i, isc_taskqueue_slow)) { + BROADCAST(&manager->queues[i].work_available[isc_taskqueue_slow]); + empty = false; + } UNLOCK(&manager->queues[i].lock); } if (empty) { @@ -1318,10 +1333,10 @@ dispatch(isc__taskmgr_t *manager, unsign } } UNLOCK(&manager->lock); - LOCK(&manager->queues[threadid].lock); + LOCK(&manager->queues[queueid].lock); } } - UNLOCK(&manager->queues[threadid].lock); + UNLOCK(&manager->queues[queueid].lock); /* * There might be other dispatchers waiting on empty tasks, * wake them up. @@ -1333,15 +1348,38 @@ static isc_threadresult_t #ifdef _WIN32 WINAPI #endif /* ifdef _WIN32 */ - run(void *queuep) { +run_normal(void *queuep) { isc__taskqueue_t *tq = queuep; isc__taskmgr_t *manager = tq->manager; - int threadid = tq->threadid; - isc_thread_setaffinity(threadid); + int queueid = tq->queueid; + isc_thread_setaffinity(queueid); XTHREADTRACE("starting"); - dispatch(manager, threadid); + dispatch(manager, queueid, isc_taskqueue_normal); + + XTHREADTRACE("exiting"); + +#ifdef OPENSSL_LEAKS + ERR_remove_state(0); +#endif /* ifdef OPENSSL_LEAKS */ + + return ((isc_threadresult_t)0); +} + +static isc_threadresult_t +#ifdef _WIN32 + WINAPI +#endif /* ifdef _WIN32 */ +run_slow(void *queuep) { + isc__taskqueue_t *tq = queuep; + isc__taskmgr_t *manager = tq->manager; + int queueid = tq->queueid; + isc_thread_setaffinity(queueid); + + XTHREADTRACE("starting"); + + dispatch(manager, queueid, isc_taskqueue_slow); XTHREADTRACE("exiting"); @@ -1354,23 +1392,24 @@ static isc_threadresult_t static void manager_free(isc__taskmgr_t *manager) { - for (unsigned int i = 0; i < manager->workers; i++) { + for (unsigned int i = 0; i < manager->queue_count; i++) { isc_mutex_destroy(&manager->queues[i].lock); - isc_condition_destroy(&manager->queues[i].work_available); + isc_condition_destroy(&manager->queues[i].work_available[isc_taskqueue_normal]); + isc_condition_destroy(&manager->queues[i].work_available[isc_taskqueue_slow]); } isc_mutex_destroy(&manager->lock); isc_mutex_destroy(&manager->excl_lock); isc_mutex_destroy(&manager->halt_lock); isc_condition_destroy(&manager->halt_cond); isc_mem_put(manager->mctx, manager->queues, - manager->workers * sizeof(isc__taskqueue_t)); + manager->queue_count * sizeof(isc__taskqueue_t)); manager->common.impmagic = 0; manager->common.magic = 0; isc_mem_putanddetach(&manager->mctx, manager, sizeof(*manager)); } isc_result_t -isc_taskmgr_create(isc_mem_t *mctx, unsigned int workers, +isc_taskmgr_create(isc_mem_t *mctx, unsigned int queue_count, unsigned int default_quantum, isc_nm_t *nm, isc_taskmgr_t **managerp) { unsigned int i; @@ -1380,7 +1419,7 @@ isc_taskmgr_create(isc_mem_t *mctx, unsi * Create a new task manager. */ - REQUIRE(workers > 0); + REQUIRE(queue_count > 0); REQUIRE(managerp != NULL && *managerp == NULL); manager = isc_mem_get(mctx, sizeof(*manager)); @@ -1394,7 +1433,7 @@ isc_taskmgr_create(isc_mem_t *mctx, unsi isc_mutex_init(&manager->halt_lock); isc_condition_init(&manager->halt_cond); - manager->workers = workers; + manager->queue_count = queue_count; if (default_quantum == 0) { default_quantum = DEFAULT_DEFAULT_QUANTUM; @@ -1407,7 +1446,7 @@ isc_taskmgr_create(isc_mem_t *mctx, unsi INIT_LIST(manager->tasks); atomic_store(&manager->tasks_count, 0); - manager->queues = isc_mem_get(mctx, workers * sizeof(isc__taskqueue_t)); + manager->queues = isc_mem_get(mctx, queue_count * sizeof(isc__taskqueue_t)); RUNTIME_CHECK(manager->queues != NULL); atomic_init(&manager->tasks_running, 0); @@ -1421,25 +1460,38 @@ isc_taskmgr_create(isc_mem_t *mctx, unsi LOCK(&manager->lock); /* - * Start workers. + * Init queues and start isc_taskqueue_normal workers. */ - for (i = 0; i < workers; i++) { - INIT_LIST(manager->queues[i].ready_tasks); - INIT_LIST(manager->queues[i].ready_priority_tasks); + for (i = 0; i < queue_count; i++) { + INIT_LIST(manager->queues[i].ready_tasks[isc_taskqueue_normal]); + INIT_LIST(manager->queues[i].ready_tasks[isc_taskqueue_slow]); + INIT_LIST(manager->queues[i].ready_priority_tasks[isc_taskqueue_normal]); + INIT_LIST(manager->queues[i].ready_priority_tasks[isc_taskqueue_slow]); isc_mutex_init(&manager->queues[i].lock); - isc_condition_init(&manager->queues[i].work_available); + isc_condition_init(&manager->queues[i].work_available[isc_taskqueue_normal]); + isc_condition_init(&manager->queues[i].work_available[isc_taskqueue_slow]); manager->queues[i].manager = manager; - manager->queues[i].threadid = i; - isc_thread_create(run, &manager->queues[i], - &manager->queues[i].thread); + manager->queues[i].queueid = i; + isc_thread_create(run_normal, &manager->queues[i], + &manager->queues[i].threads[isc_taskqueue_normal]); char name[21]; snprintf(name, sizeof(name), "isc-worker%04u", i); - isc_thread_setname(manager->queues[i].thread, name); + isc_thread_setname(manager->queues[i].threads[isc_taskqueue_normal], name); + } + /* + * Start isc_taskqueue_slow workers. + */ + for (i = 0; i < queue_count; i++) { + isc_thread_create(run_slow, &manager->queues[i], + &manager->queues[i].threads[isc_taskqueue_slow]); + char name[21]; + snprintf(name, sizeof(name), "isc-worker%04u", i + queue_count); + isc_thread_setname(manager->queues[i].threads[isc_taskqueue_slow], name); } UNLOCK(&manager->lock); - isc_thread_setconcurrency(workers); + isc_thread_setconcurrency(queue_count); *managerp = (isc_taskmgr_t *)manager; @@ -1512,8 +1564,8 @@ isc_taskmgr_destroy(isc_taskmgr_t **mana { LOCK(&task->lock); if (task_shutdown(task)) { - task->threadid = 0; - push_readyq(manager, task, 0); + task->queueid = 0; + push_readyq(manager, task, 0, task->qid); } UNLOCK(&task->lock); } @@ -1530,8 +1582,9 @@ isc_taskmgr_destroy(isc_taskmgr_t **mana /* * Wait for all the worker threads to exit. */ - for (i = 0; i < manager->workers; i++) { - isc_thread_join(manager->queues[i].thread, NULL); + for (i = 0; i < manager->queue_count; i++) { + isc_thread_join(manager->queues[i].threads[isc_taskqueue_normal], NULL); + isc_thread_join(manager->queues[i].threads[isc_taskqueue_slow], NULL); } /* @@ -1574,7 +1627,7 @@ isc__taskmgr_pause(isc_taskmgr_t *manage } atomic_store_relaxed(&manager->pause_req, true); - while (manager->halted < manager->workers) { + while (manager->halted < manager->queue_count * 2) { wake_all_queues(manager); WAIT(&manager->halt_cond, &manager->halt_lock); } @@ -1656,7 +1709,7 @@ isc_task_beginexclusive(isc_task_t *task INSIST(!atomic_load_relaxed(&manager->exclusive_req) && !atomic_load_relaxed(&manager->pause_req)); atomic_store_relaxed(&manager->exclusive_req, true); - while (manager->halted + 1 < manager->workers) { + while (manager->halted + 1 < manager->queue_count * 2) { wake_all_queues(manager); WAIT(&manager->halt_cond, &manager->halt_lock); } @@ -1770,15 +1823,15 @@ isc_task_setprivilege(isc_task_t *task0, } while (!atomic_compare_exchange_weak_acq_rel(&task->flags, &oldflags, newflags)); - LOCK(&manager->queues[task->threadid].lock); + LOCK(&manager->queues[task->queueid].lock); if (priv && ISC_LINK_LINKED(task, ready_link)) { - ENQUEUE(manager->queues[task->threadid].ready_priority_tasks, + ENQUEUE(manager->queues[task->queueid].ready_priority_tasks[task->qid], task, ready_priority_link); } else if (!priv && ISC_LINK_LINKED(task, ready_priority_link)) { - DEQUEUE(manager->queues[task->threadid].ready_priority_tasks, + DEQUEUE(manager->queues[task->queueid].ready_priority_tasks[task->qid], task, ready_priority_link); } - UNLOCK(&manager->queues[task->threadid].lock); + UNLOCK(&manager->queues[task->queueid].lock); } bool @@ -1823,7 +1876,7 @@ isc_taskmgr_renderxml(isc_taskmgr_t *mgr TRY0(xmlTextWriterEndElement(writer)); /* type */ TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "worker-threads")); - TRY0(xmlTextWriterWriteFormatString(writer, "%d", mgr->workers)); + TRY0(xmlTextWriterWriteFormatString(writer, "%d", mgr->queue_count * 2)); TRY0(xmlTextWriterEndElement(writer)); /* worker-threads */ TRY0(xmlTextWriterStartElement(writer, ISC_XMLCHAR "default-quantum")); @@ -1932,7 +1985,7 @@ isc_taskmgr_renderjson(isc_taskmgr_t *mg CHECKMEM(obj); json_object_object_add(tasks, "thread-model", obj); - obj = json_object_new_int(mgr->workers); + obj = json_object_new_int(mgr->queue_count * 2); CHECKMEM(obj); json_object_object_add(tasks, "worker-threads", obj); @@ -2016,12 +2069,12 @@ error: #endif /* ifdef HAVE_JSON_C */ isc_result_t -isc_taskmgr_createinctx(isc_mem_t *mctx, unsigned int workers, +isc_taskmgr_createinctx(isc_mem_t *mctx, unsigned int queue_count, unsigned int default_quantum, isc_taskmgr_t **managerp) { isc_result_t result; - result = isc_taskmgr_create(mctx, workers, default_quantum, NULL, + result = isc_taskmgr_create(mctx, queue_count, default_quantum, NULL, managerp); return (result); Index: bind-9.16.6/lib/dns/dst_api.c =================================================================== --- bind-9.16.6.orig/lib/dns/dst_api.c +++ bind-9.16.6/lib/dns/dst_api.c @@ -157,7 +157,7 @@ computeid(dst_key_t *key); static isc_result_t frombuffer(const dns_name_t *name, unsigned int alg, unsigned int flags, unsigned int protocol, dns_rdataclass_t rdclass, - isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp); + isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata, dst_key_t **keyp); static isc_result_t algorithm_status(unsigned int alg); @@ -737,6 +737,13 @@ dst_key_todns(const dst_key_t *key, isc_ isc_result_t dst_key_fromdns(const dns_name_t *name, dns_rdataclass_t rdclass, isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp) { + return (dst_key_fromdns_ex(name, rdclass, source, mctx, false, keyp)); +} + +isc_result_t +dst_key_fromdns_ex(dns_name_t *name, dns_rdataclass_t rdclass, + isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata, + dst_key_t **keyp) { uint8_t alg, proto; uint32_t flags, extflags; dst_key_t *key = NULL; @@ -767,7 +774,7 @@ dst_key_fromdns(const dns_name_t *name, } result = frombuffer(name, alg, flags, proto, rdclass, source, mctx, - &key); + no_rdata, &key); if (result != ISC_R_SUCCESS) { return (result); } @@ -788,7 +795,7 @@ dst_key_frombuffer(const dns_name_t *nam REQUIRE(dst_initialized); result = frombuffer(name, alg, flags, protocol, rdclass, source, mctx, - &key); + false, &key); if (result != ISC_R_SUCCESS) { return (result); } @@ -2215,7 +2222,7 @@ computeid(dst_key_t *key) { static isc_result_t frombuffer(const dns_name_t *name, unsigned int alg, unsigned int flags, unsigned int protocol, dns_rdataclass_t rdclass, - isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp) { + isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata, dst_key_t **keyp) { dst_key_t *key; isc_result_t ret; @@ -2240,10 +2247,12 @@ frombuffer(const dns_name_t *name, unsig return (DST_R_UNSUPPORTEDALG); } - ret = key->func->fromdns(key, source); - if (ret != ISC_R_SUCCESS) { - dst_key_free(&key); - return (ret); + if (!no_rdata) { + ret = key->func->fromdns(key, source); + if (ret != ISC_R_SUCCESS) { + dst_key_free(&key); + return (ret); + } } } Index: bind-9.16.6/lib/dns/include/dst/dst.h =================================================================== --- bind-9.16.6.orig/lib/dns/include/dst/dst.h +++ bind-9.16.6/lib/dns/include/dst/dst.h @@ -466,6 +466,10 @@ dst_key_tofile(const dst_key_t *key, int */ isc_result_t +dst_key_fromdns_ex(dns_name_t *name, dns_rdataclass_t rdclass, + isc_buffer_t *source, isc_mem_t *mctx, bool no_rdata, + dst_key_t **keyp); +isc_result_t dst_key_fromdns(const dns_name_t *name, dns_rdataclass_t rdclass, isc_buffer_t *source, isc_mem_t *mctx, dst_key_t **keyp); /*%< Index: bind-9.16.6/lib/dns/win32/libdns.def.in =================================================================== --- bind-9.16.6.orig/lib/dns/win32/libdns.def.in +++ bind-9.16.6/lib/dns/win32/libdns.def.in @@ -1439,6 +1439,7 @@ dst_key_format dst_key_free dst_key_frombuffer dst_key_fromdns +dst_key_fromdns_ex dst_key_fromfile dst_key_fromgssapi dst_key_fromlabel
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