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libwebsockets/lib/core/private-lib-core.h
AD001\z0048zxj 4f3ce6458b openssl: support SSLKEYLOGFILE server secret logging
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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2019 Andy Green <andy@warmcat.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*/
#if !defined(__LWS_PRIVATE_LIB_CORE_H__)
#define __LWS_PRIVATE_LIB_CORE_H__
#include "lws_config.h"
#include "lws_config_private.h"
#if defined(LWS_WITH_CGI) && defined(LWS_HAVE_VFORK) && \
!defined(NO_GNU_SOURCE_THIS_TIME) && !defined(_GNU_SOURCE)
#define _GNU_SOURCE
#endif
#if defined(LWS_SUPPRESS_DEPRECATED_API_WARNINGS)
#define OPENSSL_SUPPRESS_DEPRECATED
#endif
/*
#if !defined(_POSIX_C_SOURCE)
#define _POSIX_C_SOURCE 200112L
#endif
*/
#ifdef LWS_HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#if !defined(PICO_SDK_PATH)
#ifdef LWS_HAVE_INTTYPES_H
#include <inttypes.h>
#endif
#endif
//#include <stddef.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <limits.h>
#include <stdarg.h>
#include <errno.h>
#include <assert.h>
#if defined(LWS_HAVE_SYS_STAT_H) && !defined(LWS_PLAT_OPTEE)
#include <sys/stat.h>
#endif
#if LWS_MAX_SMP > 1 || defined(LWS_WITH_SYS_SMD)
/* https://stackoverflow.com/questions/33557506/timespec-redefinition-error */
#define HAVE_STRUCT_TIMESPEC
#include <pthread.h>
#else
#if !defined(pid_t) && defined(WIN32)
#define pid_t int
#endif
#endif
#ifndef LWS_DEF_HEADER_LEN
#define LWS_DEF_HEADER_LEN 4096
#endif
#ifndef LWS_DEF_HEADER_POOL
#define LWS_DEF_HEADER_POOL 4
#endif
#ifndef LWS_MAX_PROTOCOLS
#define LWS_MAX_PROTOCOLS 5
#endif
#ifndef LWS_MAX_EXTENSIONS_ACTIVE
#define LWS_MAX_EXTENSIONS_ACTIVE 1
#endif
#ifndef LWS_MAX_EXT_OFFERS
#define LWS_MAX_EXT_OFFERS 8
#endif
#ifndef SPEC_LATEST_SUPPORTED
#define SPEC_LATEST_SUPPORTED 13
#endif
#ifndef CIPHERS_LIST_STRING
#define CIPHERS_LIST_STRING "DEFAULT"
#endif
#ifndef LWS_SOMAXCONN
#define LWS_SOMAXCONN SOMAXCONN
#endif
#define MAX_WEBSOCKET_04_KEY_LEN 128
#ifndef SYSTEM_RANDOM_FILEPATH
#define SYSTEM_RANDOM_FILEPATH "/dev/urandom"
#endif
#define LWS_H2_RX_SCRATCH_SIZE 512
#define lws_socket_is_valid(x) (x != LWS_SOCK_INVALID)
#ifndef LWS_HAVE_STRERROR
#define strerror(x) ""
#endif
/*
*
* ------ private platform defines ------
*
*/
#if defined(LWS_PLAT_FREERTOS)
#include "private-lib-plat-freertos.h"
#else
#if defined(WIN32) || defined(_WIN32)
#include "private-lib-plat-windows.h"
#else
#if defined(LWS_PLAT_BAREMETAL)
#else
#if defined(LWS_PLAT_OPTEE)
#include "private-lib-plat.h"
#else
#include "private-lib-plat-unix.h"
#endif
#endif
#endif
#endif
/*
*
* ------ public api ------
*
*/
#include "libwebsockets.h"
/*
* lws_dsh
*/
typedef struct lws_dsh_obj_head {
lws_dll2_owner_t owner;
size_t total_size; /* for this kind in dsh */
int kind;
} lws_dsh_obj_head_t;
typedef struct lws_dsh_obj {
lws_dll2_t list; /* must be first */
struct lws_dsh *dsh; /* invalid when on free list */
size_t size; /* invalid when on free list */
size_t pos; /* invalid when on free list */
size_t asize;
int kind; /* so we can account at free */
} lws_dsh_obj_t;
typedef struct lws_dsh {
lws_dll2_t list;
uint8_t *buf;
lws_dsh_obj_head_t *oha; /* array of object heads/kind */
size_t splitat;
size_t buffer_size;
size_t locally_in_use;
size_t locally_free;
int count_kinds;
uint32_t flags;
uint8_t being_destroyed;
/*
* Overallocations at create:
*
* - the buffer itself
* - the object heads array
*/
} lws_dsh_t;
/*
*
* ------ lifecycle defines ------
*
*/
typedef struct lws_lifecycle_group {
lws_dll2_owner_t owner; /* active count / list */
uint64_t ordinal; /* monotonic uid count */
const char *tag_prefix; /* eg, "wsi" */
} lws_lifecycle_group_t;
typedef struct lws_lifecycle {
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API)
/* we append parent streams on the tag */
char gutag[96]; /* object unique tag + relationship info */
#else
char gutag[64];
#endif
lws_dll2_t list; /* group list membership */
uint64_t us_creation; /* creation timestamp */
lws_log_cx_t *log_cx;
} lws_lifecycle_t;
void
__lws_lc_tag(struct lws_context *cx, lws_lifecycle_group_t *grp,
lws_lifecycle_t *lc, const char *format, ...);
void
__lws_lc_tag_append(lws_lifecycle_t *lc, const char *app);
void
__lws_lc_untag(struct lws_context *cx, lws_lifecycle_t *lc);
const char *
lws_lc_tag(lws_lifecycle_t *lc);
extern lws_log_cx_t log_cx;
/*
* Generic bidi tx credit management
*/
struct lws_tx_credit {
int32_t tx_cr; /* our credit to write peer */
int32_t peer_tx_cr_est; /* peer's credit to write us */
int32_t manual_initial_tx_credit;
uint8_t skint; /* unable to write anything */
uint8_t manual;
};
#ifdef LWS_WITH_IPV6
#if defined(WIN32) || defined(_WIN32)
#include <iphlpapi.h>
#else
#include <net/if.h>
#endif
#endif
#undef X509_NAME
/*
* All lws_tls...() functions must return this type, converting the
* native backend result and doing the extra work to determine which one
* as needed.
*
* Native TLS backend return codes are NOT ALLOWED outside the backend.
*
* Non-SSL mode also uses these types.
*/
enum lws_ssl_capable_status {
LWS_SSL_CAPABLE_ERROR = -1, /* it failed */
LWS_SSL_CAPABLE_DONE = 0, /* it succeeded */
LWS_SSL_CAPABLE_MORE_SERVICE_READ = -2, /* retry WANT_READ */
LWS_SSL_CAPABLE_MORE_SERVICE_WRITE = -3, /* retry WANT_WRITE */
LWS_SSL_CAPABLE_MORE_SERVICE = -4, /* general retry */
};
enum lws_context_destroy {
LWSCD_NO_DESTROY, /* running */
LWSCD_PT_WAS_DEFERRED, /* destroy from inside service */
LWSCD_PT_WAIT_ALL_DESTROYED, /* libuv ends up here later */
LWSCD_FINALIZATION /* the final destruction of context */
};
#if defined(LWS_WITH_TLS)
#include "private-lib-tls.h"
#endif
#if defined(WIN32) || defined(_WIN32)
// Visual studio older than 2015 and WIN_CE has only _stricmp
#if (defined(_MSC_VER) && _MSC_VER < 1900) || defined(_WIN32_WCE)
#define strcasecmp _stricmp
#define strncasecmp _strnicmp
#elif !defined(__MINGW32__)
#define strcasecmp stricmp
#define strncasecmp strnicmp
#endif
#define getdtablesize() 30000
#endif
#ifndef LWS_ARRAY_SIZE
#define LWS_ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0]))
#endif
#ifdef __cplusplus
extern "C" {
#endif
#define lws_safe_modulo(_a, _b) ((_b) ? ((_a) % (_b)) : 0)
#if defined(__clang__)
#define lws_memory_barrier() __sync_synchronize()
#elif defined(__GNUC__)
#define lws_memory_barrier() __sync_synchronize()
#else
#define lws_memory_barrier()
#endif
struct lws_ring {
void *buf;
void (*destroy_element)(void *element);
uint32_t buflen;
uint32_t element_len;
uint32_t head;
uint32_t oldest_tail;
};
struct lws_protocols;
struct lws;
#include "private-lib-secure-streams.h"
#if defined(LWS_WITH_NETWORK) /* network */
#include "private-lib-event-libs.h"
#if defined(LWS_WITH_SYS_SMD)
#include "private-lib-system-smd.h"
#endif
#if defined(LWS_WITH_SYS_FAULT_INJECTION)
#include "private-lib-system-fault-injection.h"
#endif
#include "private-lib-system-metrics.h"
struct lws_foreign_thread_pollfd {
struct lws_foreign_thread_pollfd *next;
int fd_index;
int _and;
int _or;
};
#include "private-lib-core-net.h"
#endif /* network */
struct lws_system_blob {
union {
struct lws_buflist *bl;
struct {
const uint8_t *ptr;
size_t len;
} direct;
} u;
char is_direct;
};
typedef struct lws_attach_item {
lws_dll2_t list;
lws_attach_cb_t cb;
void *opaque;
lws_system_states_t state;
} lws_attach_item_t;
/*
* These are the context's lifecycle group indexes that exist in this build
* configuration. If you add some, make sure to also add the tag_prefix in
* context.c context creation with matching preprocessor conditionals.
*/
enum {
LWSLCG_WSI, /* generic wsi, eg, pipe, listen */
LWSLCG_VHOST,
LWSLCG_WSI_SERVER, /* server wsi */
#if defined(LWS_ROLE_H2) || defined(LWS_ROLE_MQTT)
LWSLCG_WSI_MUX, /* a mux child wsi */
#endif
#if defined(LWS_WITH_CLIENT)
LWSLCG_WSI_CLIENT, /* client wsi */
#endif
#if defined(LWS_WITH_SECURE_STREAMS)
#if defined(LWS_WITH_CLIENT)
LWSLCG_SS_CLIENT, /* secstream client handle */
#endif
#if defined(LWS_WITH_SERVER)
LWSLCG_SS_SERVER, /* secstream server handle */
#endif
#if defined(LWS_WITH_CLIENT)
LWSLCG_WSI_SS_CLIENT, /* wsi bound to ss client handle */
#endif
#if defined(LWS_WITH_SERVER)
LWSLCG_WSI_SS_SERVER, /* wsi bound to ss server handle */
#endif
#endif
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API)
#if defined(LWS_WITH_CLIENT)
LWSLCG_SSP_CLIENT, /* SSPC handle client connection to proxy */
#endif
#if defined(LWS_WITH_SERVER)
LWSLCG_SSP_ONWARD, /* SS handle at proxy for onward conn */
#endif
#if defined(LWS_WITH_CLIENT)
LWSLCG_WSI_SSP_CLIENT, /* wsi bound to SSPC cli conn to proxy */
#endif
#if defined(LWS_WITH_SERVER)
LWSLCG_WSI_SSP_ONWARD, /* wsi bound to Proxy onward connection */
#endif
#endif
#if defined(LWS_WITH_SERVER)
LWSLCG_WSI_SSP_SINK, /* accepted sink conn */
LWSLCG_WSI_SSP_SOURCE, /* accepted source conn */
#endif
/* always last */
LWSLCG_COUNT
};
#if defined(LWS_WITH_SECURE_STREAMS) && defined(LWS_WITH_SERVER)
typedef struct lws_ss_sinks {
lws_dll2_t list;
lws_ss_info_t info;
lws_dll2_owner_t accepts;
} lws_ss_sinks_t;
#endif
/*
* the rest is managed per-context, that includes
*
* - processwide single fd -> wsi lookup
* - contextwide headers pool
*/
struct lws_context {
#if defined(LWS_WITH_SERVER)
char canonical_hostname[96];
#endif
#if defined(LWS_HAVE_SSL_CTX_set_keylog_callback) && \
defined(LWS_WITH_TLS) && defined(LWS_WITH_CLIENT)
char keylog_file[96];
#endif
#if defined(LWS_WITH_FILE_OPS)
struct lws_plat_file_ops fops_platform;
#endif
#if defined(LWS_WITH_ZIP_FOPS)
struct lws_plat_file_ops fops_zip;
#endif
lws_system_blob_t system_blobs[LWS_SYSBLOB_TYPE_COUNT];
#if defined(LWS_WITH_SYS_SMD)
lws_smd_t smd;
#endif
#if defined(LWS_WITH_SECURE_STREAMS)
struct lws_ss_handle *ss_cpd;
#endif
lws_sorted_usec_list_t sul_cpd_defer;
#if defined(LWS_WITH_DLO)
lws_dll2_owner_t fonts;
lws_dll2_owner_t dlo_file;
#if defined(LWS_WITH_SECURE_STREAMS)
lws_dll2_owner_t active_assets; /* dloss_t */
#endif
#endif
#if defined(LWS_WITH_NETWORK)
struct lws_context_per_thread pt[LWS_MAX_SMP];
lws_retry_bo_t default_retry;
lws_sorted_usec_list_t sul_system_state;
lws_lifecycle_group_t lcg[LWSLCG_COUNT];
const struct lws_protocols *protocols_copy;
#if defined(LWS_WITH_NETLINK)
lws_sorted_usec_list_t sul_nl_coldplug;
/* process can only have one netlink socket, have to do it in ctx */
lws_dll2_owner_t routing_table;
struct lws *netlink;
#endif
#if defined(LWS_PLAT_FREERTOS)
struct sockaddr_in frt_pipe_si;
#endif
#if defined(LWS_WITH_HTTP2)
struct http2_settings set;
#endif
#if LWS_MAX_SMP > 1
struct lws_mutex_refcount mr;
#endif
#if defined(LWS_WITH_SYS_METRICS)
lws_dll2_owner_t owner_mtr_dynpol;
/**< owner for lws_metric_policy_dyn_t (dynamic part of metric pols) */
lws_dll2_owner_t owner_mtr_no_pol;
/**< owner for lws_metric_pub_t with no policy to bind to */
#endif
#if defined(LWS_WITH_NETWORK)
/*
* LWS_WITH_NETWORK =====>
*/
lws_dll2_owner_t owner_vh_being_destroyed;
lws_metric_t *mt_service; /* doing service */
const lws_metric_policy_t *metrics_policies;
const char *metrics_prefix;
#if defined(LWS_WITH_SYS_METRICS) && defined(LWS_WITH_CLIENT)
lws_metric_t *mt_conn_tcp; /* client tcp conns */
lws_metric_t *mt_conn_tls; /* client tcp conns */
lws_metric_t *mt_conn_dns; /* client dns external lookups */
lws_metric_t *mth_conn_failures; /* histogram of conn failure reasons */
#if defined(LWS_ROLE_H1) || defined(LWS_ROLE_H2)
lws_metric_t *mt_http_txn; /* client http transaction */
#endif
#if defined(LWS_WITH_SYS_ASYNC_DNS)
lws_metric_t *mt_adns_cache; /* async dns lookup lat */
#endif
#if defined(LWS_WITH_SECURE_STREAMS)
lws_metric_t *mth_ss_conn; /* SS connection outcomes */
#endif
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API)
lws_metric_t *mt_ss_cliprox_conn; /* SS cli->prox conn */
lws_metric_t *mt_ss_cliprox_paylat; /* cli->prox payload latency */
lws_metric_t *mt_ss_proxcli_paylat; /* prox->cli payload latency */
#endif
#endif /* client */
#if defined(LWS_WITH_SERVER)
lws_metric_t *mth_srv;
#endif
#if defined(LWS_WITH_EVENT_LIBS)
struct lws_plugin *evlib_plugin_list;
void *evlib_ctx; /* overallocated */
#endif
#if defined(LWS_WITH_TLS)
struct lws_context_tls tls;
#if defined (LWS_WITH_TLS_JIT_TRUST)
lws_dll2_owner_t jit_inflight;
/* ongoing sync or async jit trust lookups */
struct lws_cache_ttl_lru *trust_cache;
/* caches host -> truncated trust SKID mappings */
#endif
#endif
#if defined(LWS_WITH_DRIVERS)
lws_netdevs_t netdevs;
#endif
#if defined(LWS_WITH_SYS_ASYNC_DNS)
lws_async_dns_t async_dns;
#endif
#if defined(LWS_WITH_SYS_FAULT_INJECTION)
lws_fi_ctx_t fic;
/**< Toplevel Fault Injection ctx */
#endif
#if defined(LWS_WITH_CACHE_NSCOOKIEJAR) && defined(LWS_WITH_CLIENT)
struct lws_cache_ttl_lru *l1, *nsc;
#endif
#if defined(LWS_WITH_SYS_NTPCLIENT)
void *ntpclient_priv;
#endif
#if defined(LWS_WITH_SECURE_STREAMS)
struct lws_ss_handle *hss_fetch_policy;
#if defined(LWS_WITH_SECURE_STREAMS_SYS_AUTH_API_AMAZON_COM)
struct lws_ss_handle *hss_auth;
lws_sorted_usec_list_t sul_api_amazon_com;
lws_sorted_usec_list_t sul_api_amazon_com_kick;
#endif
#if !defined(LWS_WITH_SECURE_STREAMS_STATIC_POLICY_ONLY)
struct lws_ss_x509 *server_der_list;
#endif
#endif
#if defined(LWS_WITH_SYS_STATE)
lws_state_manager_t mgr_system;
lws_state_notify_link_t protocols_notify;
#endif
#if defined (LWS_WITH_SYS_DHCP_CLIENT)
lws_dll2_owner_t dhcpc_owner;
/**< list of ifaces with dhcpc */
#endif
/* pointers */
struct lws_vhost *vhost_list;
struct lws_vhost *no_listener_vhost_list;
struct lws_vhost *vhost_pending_destruction_list;
struct lws_vhost *vhost_system;
#if defined(LWS_WITH_SERVER)
const char *server_string;
#endif
const struct lws_event_loop_ops *event_loop_ops;
#endif
#if defined(LWS_WITH_TLS)
const struct lws_tls_ops *tls_ops;
#endif
#if defined(LWS_WITH_PLUGINS)
struct lws_plugin *plugin_list;
#endif
#ifdef _WIN32
/* different implementation between unix and windows */
struct lws_fd_hashtable fd_hashtable[FD_HASHTABLE_MODULUS];
#else
struct lws **lws_lookup;
#endif
#if defined(LWS_WITH_OTA)
lws_sorted_usec_list_t sul_ota_periodic;
lws_ss_handle_t * ota_ss; /* opaque to platform */
#endif
/*
* <====== LWS_WITH_NETWORK end
*/
#endif /* NETWORK */
lws_log_cx_t *log_cx;
const char *name;
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API)
const char *ss_proxy_bind;
const char *ss_proxy_address;
lws_txp_path_proxy_t txp_ppath;
lws_txp_path_client_t txp_cpath;
const void *txp_ssproxy_info;
#endif
#if defined(LWS_WITH_FILE_OPS)
const struct lws_plat_file_ops *fops;
#endif
struct lws_context **pcontext_finalize;
#if !defined(LWS_PLAT_FREERTOS)
const char *username, *groupname;
#endif
#if defined(LWS_WITH_MBEDTLS)
mbedtls_entropy_context mec;
mbedtls_ctr_drbg_context mcdc;
#endif
#if defined(LWS_WITH_THREADPOOL) && defined(LWS_HAVE_PTHREAD_H)
struct lws_threadpool *tp_list_head;
#endif
#if defined(LWS_WITH_PEER_LIMITS)
struct lws_peer **pl_hash_table;
struct lws_peer *peer_wait_list;
lws_peer_limits_notify_t pl_notify_cb;
time_t next_cull;
#endif
const lws_system_ops_t *system_ops;
#if defined(LWS_WITH_SECURE_STREAMS)
#if !defined(LWS_WITH_SECURE_STREAMS_STATIC_POLICY_ONLY)
const char *pss_policies_json;
struct lwsac *ac_policy;
void *pol_args;
#endif
const lws_ss_policy_t *pss_policies;
const lws_ss_auth_t *pss_auths;
#if defined(LWS_WITH_SERVER)
lws_dll2_owner_t sinks;
#endif
#if defined(LWS_WITH_SSPLUGINS)
const lws_ss_plugin_t **pss_plugins;
#endif
#endif
void *external_baggage_free_on_destroy;
const struct lws_token_limits *token_limits;
void *user_space;
#if defined(LWS_WITH_SERVER)
const struct lws_protocol_vhost_options *reject_service_keywords;
lws_reload_func deprecation_cb;
#endif
#if !defined(LWS_PLAT_FREERTOS)
void (*eventlib_signal_cb)(void *event_lib_handle, int signum);
#endif
#if defined(LWS_HAVE_SYS_CAPABILITY_H) && defined(LWS_HAVE_LIBCAP)
cap_value_t caps[4];
char count_caps;
#endif
lws_usec_t time_up; /* monotonic */
#if defined(LWS_WITH_SYS_SMD)
lws_usec_t smd_ttl_us;
#endif
uint64_t options;
time_t last_ws_ping_pong_check_s;
#if defined(LWS_WITH_SECURE_STREAMS)
time_t last_policy;
#endif
#if defined(LWS_PLAT_FREERTOS)
unsigned long time_last_state_dump;
uint32_t last_free_heap;
#endif
unsigned int max_fds;
#if !defined(LWS_NO_DAEMONIZE)
pid_t started_with_parent;
#endif
#if !defined(LWS_PLAT_FREERTOS)
uid_t uid;
gid_t gid;
int fd_random;
int count_cgi_spawned;
#endif
#if defined(WIN32)
unsigned int win32_connect_check_interval_usec;
#endif
unsigned int fd_limit_per_thread;
unsigned int timeout_secs;
unsigned int pt_serv_buf_size;
unsigned int max_http_header_data;
unsigned int max_http_header_pool;
int simultaneous_ssl_restriction;
int simultaneous_ssl;
int simultaneous_ssl_handshake_restriction;
int simultaneous_ssl_handshake;
#if defined(LWS_WITH_TLS_JIT_TRUST)
int vh_idle_grace_ms;
#endif
#if defined(LWS_WITH_PEER_LIMITS)
uint32_t pl_hash_elements; /* protected by context->lock */
uint32_t count_peers; /* protected by context->lock */
unsigned short ip_limit_ah;
unsigned short ip_limit_wsi;
#endif
#if defined(LWS_WITH_SYS_SMD)
uint16_t smd_queue_depth;
#endif
#if defined(LWS_WITH_NETLINK) && defined(LWS_WITH_NETWORK)
lws_route_uidx_t route_uidx;
#endif
char tls_gate_accepts;
unsigned int deprecated:1;
unsigned int interrupted:1;
unsigned int inside_context_destroy:1;
unsigned int being_destroyed:1;
unsigned int service_no_longer_possible:1;
unsigned int being_destroyed2:1;
unsigned int requested_stop_internal_loops:1;
unsigned int protocol_init_done:1;
unsigned int doing_protocol_init:1;
unsigned int done_protocol_destroy_cb:1;
unsigned int evlib_finalize_destroy_after_int_loops_stop:1;
unsigned int max_fds_unrelated_to_ulimit:1;
unsigned int policy_updated:1;
#if defined(LWS_WITH_NETLINK)
unsigned int nl_initial_done:1;
#endif
unsigned short count_threads;
unsigned short undestroyed_threads;
short plugin_protocol_count;
short plugin_extension_count;
short server_string_len;
unsigned short deprecation_pending_listen_close_count;
#if defined(LWS_WITH_SECURE_STREAMS_PROXY_API)
uint16_t ss_proxy_port;
#endif
/* 0 if not known, else us resolution of the poll wait */
uint16_t us_wait_resolution;
uint8_t max_fi;
uint8_t captive_portal_detect;
uint8_t captive_portal_detect_type;
uint8_t destroy_state; /* enum lws_context_destroy */
};
#define lws_get_context_protocol(ctx, x) ctx->vhost_list->protocols[x]
#define lws_get_vh_protocol(vh, x) vh->protocols[x]
int
lws_jws_base64_enc(const char *in, size_t in_len, char *out, size_t out_max);
void
lws_vhost_destroy1(struct lws_vhost *vh);
#if defined(LWS_WITH_CACHE_NSCOOKIEJAR) && defined(LWS_WITH_CLIENT)
int
lws_parse_set_cookie(struct lws *wsi);
int
lws_cookie_send_cookies(struct lws *wsi, char **pp, char *end);
#endif
#if defined(LWS_PLAT_FREERTOS)
int
lws_find_string_in_file(const char *filename, const char *str, int stringlen);
#endif
signed char char_to_hex(const char c);
#if defined(LWS_WITH_NETWORK)
int
lws_system_do_attach(struct lws_context_per_thread *pt);
#endif
struct lws_buflist {
struct lws_buflist *next;
size_t len;
size_t pos;
};
char *
lws_strdup(const char *s);
int
lws_b64_selftest(void);
#define FIRST_LENGTH_CODE_INDEX 257
#define LAST_LENGTH_CODE_INDEX 285
/*256 literals, the end code, some length codes, and 2 unused codes */
#define NUM_DEFLATE_CODE_SYMBOLS 288
/*the distance codes have their own symbols, 30 used, 2 unused */
#define NUM_DISTANCE_SYMBOLS 32
/* The code length codes. 0-15: code lengths, 16: copy previous 3-6 times,
* 17: 3-10 zeros, 18: 11-138 zeros */
#define NUM_CODE_LENGTH_CODES 19
/* largest number of symbols used by any tree type */
#define MAX_SYMBOLS 288
#define DEFLATE_CODE_BITLEN 15
#define DISTANCE_BITLEN 15
#define CODE_LENGTH_BITLEN 7
/* largest bitlen used by any tree type */
#define MAX_BIT_LENGTH 15
#define DEFLATE_CODE_BUFFER_SIZE (NUM_DEFLATE_CODE_SYMBOLS * 2)
#define DISTANCE_BUFFER_SIZE (NUM_DISTANCE_SYMBOLS * 2)
#define CODE_LENGTH_BUFFER_SIZE (NUM_DISTANCE_SYMBOLS * 2)
typedef uint16_t huff_t;
typedef enum {
UPNS_ID_BL_GB_DONE,
UPNS_ID_BL_GB_BTYPEb0,
UPNS_ID_BL_GB_BTYPEb1,
UPNS_ID_BL_GB_BTYPE_0,
UPNS_ID_BL_GB_BTYPE_1,
UPNS_ID_BL_GB_BTYPE_2,
UPNS_ID_BL_GB_BTYPE_0a,
UPNS_ID_BL_GB_BTYPE_0b,
UPNS_ID_BL_GB_BTYPE_0c,
UPNS_ID_BL_GB_BTYPE_0d,
UPNS_ID_BL_GB_BTYPE_2a,
UPNS_ID_BL_GB_BTYPE_2b,
UPNS_ID_BL_GB_BTYPE_2c,
UPNS_ID_BL_GB_BTYPE_2d,
UPNS_ID_BL_GB_BTYPE_2e,
UPNS_ID_BL_GB_BTYPE_2_16,
UPNS_ID_BL_GB_BTYPE_2_17,
UPNS_ID_BL_GB_BTYPE_2_18,
UPNS_ID_BL_GB_SPIN,
UPNS_ID_BL_GB_SPINa,
UPNS_ID_BL_GB_SPINb,
UPNS_ID_BL_GB_SPINc,
UPNS_ID_BL_GB_SPINd,
UPNS_ID_BL_GB_SPINe,
UPNS_ID_BL_GB_GZIP_ID1,
UPNS_ID_BL_GB_GZIP_ID2,
UPNS_ID_BL_GB_GZIP_METHOD,
UPNS_ID_BL_GB_GZIP_FLAGS,
UPNS_ID_BL_GB_GZIP_EOH,
UPNS_ID_BL_GB_GZIP_SKIP_EXTRA_C1,
UPNS_ID_BL_GB_GZIP_SKIP_EXTRA_C2,
UPNS_ID_BL_GB_GZIP_SKIP_EXTRA,
UPNS_ID_BL_GB_GZIP_SKIP_FILENAME,
UPNS_ID_BL_GB_GZIP_SKIP_COMMENT,
UPNS_ID_BL_GB_GZIP_SKIP_CRC,
} upng_inflate_states_t;
typedef struct htree {
huff_t *tree2d;
/*maximum number of bits a single code can get */
uint16_t maxbitlen;
/*number of symbols in the alphabet = number of codes */
uint16_t numcodes;
} htree_t;
typedef struct inflator_ctx {
unsigned int clenc[NUM_CODE_LENGTH_CODES];
unsigned int bitlen[NUM_DEFLATE_CODE_SYMBOLS];
unsigned int bitlenD[NUM_DISTANCE_SYMBOLS];
huff_t clct_buffer[CODE_LENGTH_BUFFER_SIZE];
huff_t ct_buffer[DEFLATE_CODE_BUFFER_SIZE];
huff_t ctD_buffer[DISTANCE_BUFFER_SIZE];
lws_upng_t *upng;
const uint8_t *in;
uint8_t *out;
htree_t clct;
htree_t ct;
htree_t ctD;
size_t bp;
size_t inpos;
size_t inlen;
size_t archive_pos;
size_t outpos;
size_t outpos_linear;
size_t consumed_linear;
size_t outlen;
size_t length;
size_t start;
size_t forward;
size_t backward;
size_t exbits;
size_t bypl;
upng_inflate_states_t state;
unsigned int len;
unsigned int nlen;
unsigned int n;
unsigned int hlit;
unsigned int hdist;
unsigned int hclen;
unsigned int i;
unsigned int t;
unsigned int codeD;
unsigned int distance;
unsigned int exbitsD;
unsigned int code;
unsigned int treepos;
unsigned int read_bits_shifter;
unsigned int read_bits_limit;
unsigned int read_bits_i;
unsigned int info_size;
uint16_t ctr;
uint8_t subsequent;
uint8_t btype;
uint8_t done;
uint8_t gz_flags;
char read_bits_ongoing;
} inflator_ctx_t;
lws_stateful_ret_t
_lws_upng_inflate_data(inflator_ctx_t *inf);
#ifndef LWS_NO_DAEMONIZE
pid_t get_daemonize_pid();
#else
#define get_daemonize_pid() (0)
#endif
void lwsl_emit_stderr(int level, const char *line);
#if !defined(LWS_WITH_TLS)
#define LWS_SSL_ENABLED(context) (0)
#define lws_context_init_server_ssl(_a, _b) (0)
#define lws_ssl_destroy(_a)
#define lws_context_init_alpn(_a)
#define lws_ssl_capable_read lws_ssl_capable_read_no_ssl
#define lws_ssl_capable_write lws_ssl_capable_write_no_ssl
#define lws_ssl_pending lws_ssl_pending_no_ssl
#define lws_server_socket_service_ssl(_b, _c, _d) (0)
#define lws_ssl_close(_a) (0)
#define lws_ssl_context_destroy(_a)
#define lws_ssl_SSL_CTX_destroy(_a)
#define lws_ssl_remove_wsi_from_buffered_list(_a)
#define __lws_ssl_remove_wsi_from_buffered_list(_a)
#define lws_context_init_ssl_library(_a, _b)
#define lws_context_deinit_ssl_library(_a)
#define lws_tls_check_all_cert_lifetimes(_a)
#define lws_tls_acme_sni_cert_destroy(_a)
#endif
#if LWS_MAX_SMP > 1
#define lws_context_lock(c, reason) lws_mutex_refcount_lock(&c->mr, reason)
#define lws_context_unlock(c) lws_mutex_refcount_unlock(&c->mr)
#define lws_context_assert_lock_held(c) lws_mutex_refcount_assert_held(&c->mr)
#define lws_vhost_assert_lock_held(v) lws_mutex_refcount_assert_held(&v->mr)
/* enforce context lock held */
#define lws_vhost_lock(v) lws_mutex_refcount_lock(&v->mr, __func__)
#define lws_vhost_unlock(v) lws_mutex_refcount_unlock(&v->mr)
#else
#define lws_pt_mutex_init(_a) (void)(_a)
#define lws_pt_mutex_destroy(_a) (void)(_a)
#define lws_pt_lock(_a, b) (void)(_a)
#define lws_pt_assert_lock_held(_a) (void)(_a)
#define lws_pt_unlock(_a) (void)(_a)
#define lws_context_lock(_a, _b) (void)(_a)
#define lws_context_unlock(_a) (void)(_a)
#define lws_context_assert_lock_held(_a) (void)(_a)
#define lws_vhost_assert_lock_held(_a) (void)(_a)
#define lws_vhost_lock(_a) (void)(_a)
#define lws_vhost_unlock(_a) (void)(_a)
#define lws_pt_stats_lock(_a) (void)(_a)
#define lws_pt_stats_unlock(_a) (void)(_a)
#endif
void
lws_ota_periodic_cb(lws_sorted_usec_list_t *sul);
int LWS_WARN_UNUSED_RESULT
lws_ssl_capable_read_no_ssl(struct lws *wsi, unsigned char *buf, size_t len);
int LWS_WARN_UNUSED_RESULT
lws_ssl_capable_write_no_ssl(struct lws *wsi, unsigned char *buf, size_t len);
int LWS_WARN_UNUSED_RESULT
lws_ssl_pending_no_ssl(struct lws *wsi);
int
lws_tls_check_cert_lifetime(struct lws_vhost *vhost);
int lws_jws_selftest(void);
int lws_jwe_selftest(void);
int
lws_protocol_init(struct lws_context *context);
int
lws_bind_protocol(struct lws *wsi, const struct lws_protocols *p,
const char *reason);
const struct lws_protocol_vhost_options *
lws_vhost_protocol_options(struct lws_vhost *vh, const char *name);
const struct lws_http_mount *
lws_find_mount(struct lws *wsi, const char *uri_ptr, int uri_len);
#ifdef LWS_WITH_HTTP2
int lws_wsi_is_h2(struct lws *wsi);
#endif
/*
* custom allocator
*/
void *
lws_realloc(void *ptr, size_t size, const char *reason);
void * LWS_WARN_UNUSED_RESULT
lws_zalloc(size_t size, const char *reason);
#ifdef LWS_PLAT_OPTEE
void *lws_malloc(size_t size, const char *reason);
void lws_free(void *p);
#define lws_free_set_NULL(P) do { lws_free(P); (P) = NULL; } while(0)
#else
#define lws_malloc(S, R) lws_realloc(NULL, S, R)
#define lws_free(P) lws_realloc(P, 0, "lws_free")
#define lws_free_set_NULL(P) do { lws_realloc(P, 0, "free"); (P) = NULL; } while(0)
#endif
int
__lws_create_event_pipes(struct lws_context *context);
int
lws_plat_apply_FD_CLOEXEC(int n);
const struct lws_plat_file_ops *
lws_vfs_select_fops(const struct lws_plat_file_ops *fops, const char *vfs_path,
const char **vpath);
/* lws_plat_ */
int
lws_plat_context_early_init(void);
void
lws_plat_context_early_destroy(struct lws_context *context);
void
lws_plat_context_late_destroy(struct lws_context *context);
int
lws_plat_init(struct lws_context *context,
const struct lws_context_creation_info *info);
int
lws_plat_drop_app_privileges(struct lws_context *context, int actually_drop);
#if defined(LWS_WITH_UNIX_SOCK) && !defined(WIN32)
int
lws_plat_user_colon_group_to_ids(const char *u_colon_g, uid_t *puid, gid_t *pgid);
#endif
int
lws_plat_ntpclient_config(struct lws_context *context);
int
lws_plat_ifname_to_hwaddr(int fd, const char *ifname, uint8_t *hwaddr, int len);
int
lws_plat_vhost_tls_client_ctx_init(struct lws_vhost *vhost);
int
lws_check_byte_utf8(unsigned char state, unsigned char c);
int LWS_WARN_UNUSED_RESULT
lws_check_utf8(unsigned char *state, unsigned char *buf, size_t len);
int alloc_file(struct lws_context *context, const char *filename,
uint8_t **buf, lws_filepos_t *amount);
int
lws_lec_scratch(lws_lec_pctx_t *ctx);
void
lws_lec_signed(lws_lec_pctx_t *ctx, int64_t num);
int
lws_cose_key_checks(const lws_cose_key_t *key, int64_t kty, int64_t alg,
int key_op, const char *crv);
void lws_msleep(unsigned int);
void
lws_context_destroy2(struct lws_context *context);
/* it's public extern const lws_transport_client_ops_t lws_txp_inside_sspc; */
lws_transport_mux_ch_t *
lws_transport_mux_create_channel(lws_transport_mux_t *tm, lws_mux_ch_idx_t i);
lws_transport_mux_ch_t *
lws_transport_mux_add_channel(lws_transport_mux_t *tm, lws_transport_priv_t priv);
void
lws_transport_mux_destroy_channel(lws_transport_mux_ch_t **_mc);
lws_transport_mux_ch_t *
lws_transport_mux_get_channel(lws_transport_mux_t *tm, lws_mux_ch_idx_t i);
int
lws_transport_mux_next_free(lws_transport_mux_t *tm, lws_mux_ch_idx_t *result);
void
sul_ping_cb(lws_sorted_usec_list_t *sul);
/* Added Declaration of this function to make common for openssl-server */
#if defined(LWS_HAVE_SSL_CTX_set_keylog_callback) && \
defined(LWS_WITH_TLS)
void
lws_klog_dump(const SSL *ssl, const char *line);
#endif
#if !defined(PRIu64)
#define PRIu64 "llu"
#endif
#if defined(LWS_WITH_ABSTRACT)
#include "private-lib-abstract.h"
#endif
#ifdef __cplusplus
};
#endif
#endif
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