/** create context functionality, but no pipes */ static struct ub_ctx* ub_ctx_create_nopipe(void) { struct ub_ctx* ctx; unsigned int seed; #ifdef USE_WINSOCK int r; WSADATA wsa_data; #endif checklock_start(); log_init(NULL, 0, NULL); /* logs to stderr */ log_ident_set("libunbound"); #ifdef USE_WINSOCK if((r = WSAStartup(MAKEWORD(2,2), &wsa_data)) != 0) { log_err("could not init winsock. WSAStartup: %s", wsa_strerror(r)); return NULL; } #endif verbosity = 0; /* errors only */ checklock_start(); ctx = (struct ub_ctx*)calloc(1, sizeof(*ctx)); if(!ctx) { errno = ENOMEM; return NULL; } alloc_init(&ctx->superalloc, NULL, 0); seed = (unsigned int)time(NULL) ^ (unsigned int)getpid(); if(!(ctx->seed_rnd = ub_initstate(seed, NULL))) { explicit_bzero(&seed, sizeof(seed)); ub_randfree(ctx->seed_rnd); free(ctx); errno = ENOMEM; return NULL; } explicit_bzero(&seed, sizeof(seed)); lock_basic_init(&ctx->qqpipe_lock); lock_basic_init(&ctx->rrpipe_lock); lock_basic_init(&ctx->cfglock); ctx->env = (struct module_env*)calloc(1, sizeof(*ctx->env)); if(!ctx->env) { ub_randfree(ctx->seed_rnd); free(ctx); errno = ENOMEM; return NULL; } ctx->env->cfg = config_create_forlib(); if(!ctx->env->cfg) { free(ctx->env); ub_randfree(ctx->seed_rnd); free(ctx); errno = ENOMEM; return NULL; } /* init edns_known_options */ if(!edns_known_options_init(ctx->env)) { config_delete(ctx->env->cfg); free(ctx->env); ub_randfree(ctx->seed_rnd); free(ctx); errno = ENOMEM; return NULL; } ctx->env->auth_zones = auth_zones_create(); if(!ctx->env->auth_zones) { edns_known_options_delete(ctx->env); config_delete(ctx->env->cfg); free(ctx->env); ub_randfree(ctx->seed_rnd); free(ctx); errno = ENOMEM; return NULL; } ctx->env->alloc = &ctx->superalloc; ctx->env->worker = NULL; ctx->env->need_to_validate = 0; modstack_init(&ctx->mods); rbtree_init(&ctx->queries, &context_query_cmp); return ctx; }
struct daemon* daemon_init(void) { struct daemon* daemon = (struct daemon*)calloc(1, sizeof(struct daemon)); #ifdef USE_WINSOCK int r; WSADATA wsa_data; #endif if(!daemon) return NULL; #ifdef USE_WINSOCK r = WSAStartup(MAKEWORD(2,2), &wsa_data); if(r != 0) { fatal_exit("could not init winsock. WSAStartup: %s", wsa_strerror(r)); } #endif /* USE_WINSOCK */ signal_handling_record(); checklock_start(); #ifdef HAVE_SSL # ifdef HAVE_ERR_LOAD_CRYPTO_STRINGS ERR_load_crypto_strings(); # endif #if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) ERR_load_SSL_strings(); #endif # ifdef USE_GOST (void)sldns_key_EVP_load_gost_id(); # endif # if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_CRYPTO) OpenSSL_add_all_algorithms(); # else OPENSSL_init_crypto(OPENSSL_INIT_ADD_ALL_CIPHERS | OPENSSL_INIT_ADD_ALL_DIGESTS | OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); # endif # if HAVE_DECL_SSL_COMP_GET_COMPRESSION_METHODS /* grab the COMP method ptr because openssl leaks it */ comp_meth = (void*)SSL_COMP_get_compression_methods(); # endif # if OPENSSL_VERSION_NUMBER < 0x10100000 || !defined(HAVE_OPENSSL_INIT_SSL) (void)SSL_library_init(); # else (void)OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL); # endif # if defined(HAVE_SSL) && defined(OPENSSL_THREADS) && !defined(THREADS_DISABLED) if(!ub_openssl_lock_init()) fatal_exit("could not init openssl locks"); # endif #elif defined(HAVE_NSS) if(NSS_NoDB_Init(NULL) != SECSuccess) fatal_exit("could not init NSS"); #endif /* HAVE_SSL or HAVE_NSS */ #ifdef HAVE_TZSET /* init timezone info while we are not chrooted yet */ tzset(); #endif /* open /dev/random if needed */ ub_systemseed((unsigned)time(NULL)^(unsigned)getpid()^0xe67); daemon->need_to_exit = 0; modstack_init(&daemon->mods); if(!(daemon->env = (struct module_env*)calloc(1, sizeof(*daemon->env)))) { free(daemon); return NULL; } /* init edns_known_options */ if(!edns_known_options_init(daemon->env)) { free(daemon->env); free(daemon); return NULL; } alloc_init(&daemon->superalloc, NULL, 0); daemon->acl = acl_list_create(); if(!daemon->acl) { edns_known_options_delete(daemon->env); free(daemon->env); free(daemon); return NULL; } if(gettimeofday(&daemon->time_boot, NULL) < 0) log_err("gettimeofday: %s", strerror(errno)); daemon->time_last_stat = daemon->time_boot; if((daemon->env->auth_zones = auth_zones_create()) == 0) { acl_list_delete(daemon->acl); edns_known_options_delete(daemon->env); free(daemon->env); free(daemon); return NULL; } return daemon; }