#ifndef INCLUDE_LLHTTP_H_#define INCLUDE_LLHTTP_H_#define LLHTTP_VERSION_MAJOR 9 #define LLHTTP_VERSION_MINOR 3 #define LLHTTP_VERSION_PATCH 0 #ifndef INCLUDE_LLHTTP_ITSELF_H_#define INCLUDE_LLHTTP_ITSELF_H_#ifdef __cplusplusextern "C" {#endif #include <stdint.h>typedef struct llhttp__internal_s llhttp__internal_t;struct llhttp__internal_s {void * _span_pos0;void * _span_cb0;const char * reason;const char * error_pos;void * data;void * _current;void * settings;int llhttp__internal_init(llhttp__internal_t* s);int llhttp__internal_execute(llhttp__internal_t* s, const char * p, const char * endp);#ifdef __cplusplus/* extern "C" */ #endif #endif /* INCLUDE_LLHTTP_ITSELF_H_ */ #ifndef LLLLHTTP_C_HEADERS_#define LLLLHTTP_C_HEADERS_#ifdef __cplusplusextern "C" {#endif enum llhttp_errno {0 ,1 ,2 ,25 ,3 ,4 ,30 ,5 ,6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,21 ,22 ,23 ,24 ,26 ,27 ,32 ,33 ,28 ,29 ,34 ,35 ,31 ,38 typedef enum llhttp_errno llhttp_errno_t;enum llhttp_flags {0 x1,0 x2,0 x4,0 x8,0 x10,0 x20,0 x40,0 x80,0 x200typedef enum llhttp_flags llhttp_flags_t;enum llhttp_lenient_flags {0 x1,0 x2,0 x4,0 x8,0 x10,0 x20,0 x40,0 x80,0 x100,0 x200typedef enum llhttp_lenient_flags llhttp_lenient_flags_t;enum llhttp_type {0 ,1 ,2 typedef enum llhttp_type llhttp_type_t;enum llhttp_finish {0 ,1 ,2 typedef enum llhttp_finish llhttp_finish_t;enum llhttp_method {0 ,1 ,2 ,3 ,4 ,5 ,6 ,7 ,8 ,9 ,10 ,11 ,12 ,13 ,14 ,15 ,16 ,17 ,18 ,19 ,20 ,21 ,22 ,23 ,24 ,25 ,26 ,27 ,28 ,29 ,30 ,31 ,32 ,33 ,34 ,35 ,36 ,37 ,38 ,39 ,40 ,41 ,42 ,43 ,44 ,45 ,46 typedef enum llhttp_method llhttp_method_t;enum llhttp_status {100 ,101 ,102 ,103 ,110 ,111 ,112 ,113 ,199 ,200 ,201 ,202 ,203 ,204 ,205 ,206 ,207 ,208 ,214 ,226 ,299 ,300 ,301 ,302 ,303 ,304 ,305 ,306 ,307 ,308 ,400 ,401 ,402 ,403 ,404 ,405 ,406 ,407 ,408 ,409 ,410 ,411 ,412 ,413 ,414 ,415 ,416 ,417 ,418 ,419 ,420 ,421 ,422 ,423 ,424 ,425 ,426 ,428 ,429 ,430 ,431 ,440 ,444 ,449 ,450 ,451 ,460 ,463 ,494 ,495 ,496 ,497 ,498 ,499 ,500 ,501 ,502 ,503 ,504 ,505 ,506 ,507 ,508 ,509 ,510 ,511 ,520 ,521 ,522 ,523 ,524 ,525 ,526 ,527 ,529 ,530 ,561 ,598 ,599 typedef enum llhttp_status llhttp_status_t;#define HTTP_ERRNO_MAP(XX) \0 , OK, OK) \1 , INTERNAL, INTERNAL) \2 , STRICT, STRICT) \25 , CR_EXPECTED, CR_EXPECTED) \3 , LF_EXPECTED, LF_EXPECTED) \4 , UNEXPECTED_CONTENT_LENGTH, UNEXPECTED_CONTENT_LENGTH) \30 , UNEXPECTED_SPACE, UNEXPECTED_SPACE) \5 , CLOSED_CONNECTION, CLOSED_CONNECTION) \6 , INVALID_METHOD, INVALID_METHOD) \7 , INVALID_URL, INVALID_URL) \8 , INVALID_CONSTANT, INVALID_CONSTANT) \9 , INVALID_VERSION, INVALID_VERSION) \10 , INVALID_HEADER_TOKEN, INVALID_HEADER_TOKEN) \11 , INVALID_CONTENT_LENGTH, INVALID_CONTENT_LENGTH) \12 , INVALID_CHUNK_SIZE, INVALID_CHUNK_SIZE) \13 , INVALID_STATUS, INVALID_STATUS) \14 , INVALID_EOF_STATE, INVALID_EOF_STATE) \15 , INVALID_TRANSFER_ENCODING, INVALID_TRANSFER_ENCODING) \16 , CB_MESSAGE_BEGIN, CB_MESSAGE_BEGIN) \17 , CB_HEADERS_COMPLETE, CB_HEADERS_COMPLETE) \18 , CB_MESSAGE_COMPLETE, CB_MESSAGE_COMPLETE) \19 , CB_CHUNK_HEADER, CB_CHUNK_HEADER) \20 , CB_CHUNK_COMPLETE, CB_CHUNK_COMPLETE) \21 , PAUSED, PAUSED) \22 , PAUSED_UPGRADE, PAUSED_UPGRADE) \23 , PAUSED_H2_UPGRADE, PAUSED_H2_UPGRADE) \24 , USER, USER) \26 , CB_URL_COMPLETE, CB_URL_COMPLETE) \27 , CB_STATUS_COMPLETE, CB_STATUS_COMPLETE) \32 , CB_METHOD_COMPLETE, CB_METHOD_COMPLETE) \33 , CB_VERSION_COMPLETE, CB_VERSION_COMPLETE) \28 , CB_HEADER_FIELD_COMPLETE, CB_HEADER_FIELD_COMPLETE) \29 , CB_HEADER_VALUE_COMPLETE, CB_HEADER_VALUE_COMPLETE) \34 , CB_CHUNK_EXTENSION_NAME_COMPLETE, CB_CHUNK_EXTENSION_NAME_COMPLETE) \35 , CB_CHUNK_EXTENSION_VALUE_COMPLETE, CB_CHUNK_EXTENSION_VALUE_COMPLETE) \31 , CB_RESET, CB_RESET) \38 , CB_PROTOCOL_COMPLETE, CB_PROTOCOL_COMPLETE) \#define HTTP_METHOD_MAP(XX) \0 , DELETE , DELETE ) \1 , GET, GET) \2 , HEAD, HEAD) \3 , POST, POST) \4 , PUT, PUT) \5 , CONNECT, CONNECT) \6 , OPTIONS, OPTIONS) \7 , TRACE, TRACE) \8 , COPY, COPY) \9 , LOCK, LOCK) \10 , MKCOL, MKCOL) \11 , MOVE, MOVE) \12 , PROPFIND, PROPFIND) \13 , PROPPATCH, PROPPATCH) \14 , SEARCH, SEARCH) \15 , UNLOCK, UNLOCK) \16 , BIND, BIND) \17 , REBIND, REBIND) \18 , UNBIND, UNBIND) \19 , ACL, ACL) \20 , REPORT, REPORT) \21 , MKACTIVITY, MKACTIVITY) \22 , CHECKOUT, CHECKOUT) \23 , MERGE, MERGE) \24 , MSEARCH, M-SEARCH) \25 , NOTIFY, NOTIFY) \26 , SUBSCRIBE, SUBSCRIBE) \27 , UNSUBSCRIBE, UNSUBSCRIBE) \28 , PATCH, PATCH) \29 , PURGE, PURGE) \30 , MKCALENDAR, MKCALENDAR) \31 , LINK, LINK) \32 , UNLINK, UNLINK) \33 , SOURCE, SOURCE) \46 , QUERY, QUERY) \#define RTSP_METHOD_MAP(XX) \1 , GET, GET) \3 , POST, POST) \6 , OPTIONS, OPTIONS) \35 , DESCRIBE, DESCRIBE) \36 , ANNOUNCE, ANNOUNCE) \37 , SETUP, SETUP) \38 , PLAY, PLAY) \39 , PAUSE, PAUSE) \40 , TEARDOWN, TEARDOWN) \41 , GET_PARAMETER, GET_PARAMETER) \42 , SET_PARAMETER, SET_PARAMETER) \43 , REDIRECT, REDIRECT) \44 , RECORD, RECORD) \45 , FLUSH, FLUSH) \#define HTTP_ALL_METHOD_MAP(XX) \0 , DELETE , DELETE ) \1 , GET, GET) \2 , HEAD, HEAD) \3 , POST, POST) \4 , PUT, PUT) \5 , CONNECT, CONNECT) \6 , OPTIONS, OPTIONS) \7 , TRACE, TRACE) \8 , COPY, COPY) \9 , LOCK, LOCK) \10 , MKCOL, MKCOL) \11 , MOVE, MOVE) \12 , PROPFIND, PROPFIND) \13 , PROPPATCH, PROPPATCH) \14 , SEARCH, SEARCH) \15 , UNLOCK, UNLOCK) \16 , BIND, BIND) \17 , REBIND, REBIND) \18 , UNBIND, UNBIND) \19 , ACL, ACL) \20 , REPORT, REPORT) \21 , MKACTIVITY, MKACTIVITY) \22 , CHECKOUT, CHECKOUT) \23 , MERGE, MERGE) \24 , MSEARCH, M-SEARCH) \25 , NOTIFY, NOTIFY) \26 , SUBSCRIBE, SUBSCRIBE) \27 , UNSUBSCRIBE, UNSUBSCRIBE) \28 , PATCH, PATCH) \29 , PURGE, PURGE) \30 , MKCALENDAR, MKCALENDAR) \31 , LINK, LINK) \32 , UNLINK, UNLINK) \33 , SOURCE, SOURCE) \34 , PRI, PRI) \35 , DESCRIBE, DESCRIBE) \36 , ANNOUNCE, ANNOUNCE) \37 , SETUP, SETUP) \38 , PLAY, PLAY) \39 , PAUSE, PAUSE) \40 , TEARDOWN, TEARDOWN) \41 , GET_PARAMETER, GET_PARAMETER) \42 , SET_PARAMETER, SET_PARAMETER) \43 , REDIRECT, REDIRECT) \44 , RECORD, RECORD) \45 , FLUSH, FLUSH) \46 , QUERY, QUERY) \#define HTTP_STATUS_MAP(XX) \100 , CONTINUE , CONTINUE ) \101 , SWITCHING_PROTOCOLS, SWITCHING_PROTOCOLS) \102 , PROCESSING, PROCESSING) \103 , EARLY_HINTS, EARLY_HINTS) \110 , RESPONSE_IS_STALE, RESPONSE_IS_STALE) \111 , REVALIDATION_FAILED, REVALIDATION_FAILED) \112 , DISCONNECTED_OPERATION, DISCONNECTED_OPERATION) \113 , HEURISTIC_EXPIRATION, HEURISTIC_EXPIRATION) \199 , MISCELLANEOUS_WARNING, MISCELLANEOUS_WARNING) \200 , OK, OK) \201 , CREATED, CREATED) \202 , ACCEPTED, ACCEPTED) \203 , NON_AUTHORITATIVE_INFORMATION, NON_AUTHORITATIVE_INFORMATION) \204 , NO_CONTENT, NO_CONTENT) \205 , RESET_CONTENT, RESET_CONTENT) \206 , PARTIAL_CONTENT, PARTIAL_CONTENT) \207 , MULTI_STATUS, MULTI_STATUS) \208 , ALREADY_REPORTED, ALREADY_REPORTED) \214 , TRANSFORMATION_APPLIED, TRANSFORMATION_APPLIED) \226 , IM_USED, IM_USED) \299 , MISCELLANEOUS_PERSISTENT_WARNING, MISCELLANEOUS_PERSISTENT_WARNING) \300 , MULTIPLE_CHOICES, MULTIPLE_CHOICES) \301 , MOVED_PERMANENTLY, MOVED_PERMANENTLY) \302 , FOUND, FOUND) \303 , SEE_OTHER, SEE_OTHER) \304 , NOT_MODIFIED, NOT_MODIFIED) \305 , USE_PROXY, USE_PROXY) \306 , SWITCH_PROXY, SWITCH_PROXY) \307 , TEMPORARY_REDIRECT, TEMPORARY_REDIRECT) \308 , PERMANENT_REDIRECT, PERMANENT_REDIRECT) \400 , BAD_REQUEST, BAD_REQUEST) \401 , UNAUTHORIZED, UNAUTHORIZED) \402 , PAYMENT_REQUIRED, PAYMENT_REQUIRED) \403 , FORBIDDEN, FORBIDDEN) \404 , NOT_FOUND, NOT_FOUND) \405 , METHOD_NOT_ALLOWED, METHOD_NOT_ALLOWED) \406 , NOT_ACCEPTABLE, NOT_ACCEPTABLE) \407 , PROXY_AUTHENTICATION_REQUIRED, PROXY_AUTHENTICATION_REQUIRED) \408 , REQUEST_TIMEOUT, REQUEST_TIMEOUT) \409 , CONFLICT, CONFLICT) \410 , GONE, GONE) \411 , LENGTH_REQUIRED, LENGTH_REQUIRED) \412 , PRECONDITION_FAILED, PRECONDITION_FAILED) \413 , PAYLOAD_TOO_LARGE, PAYLOAD_TOO_LARGE) \414 , URI_TOO_LONG, URI_TOO_LONG) \415 , UNSUPPORTED_MEDIA_TYPE, UNSUPPORTED_MEDIA_TYPE) \416 , RANGE_NOT_SATISFIABLE, RANGE_NOT_SATISFIABLE) \417 , EXPECTATION_FAILED, EXPECTATION_FAILED) \418 , IM_A_TEAPOT, IM_A_TEAPOT) \419 , PAGE_EXPIRED, PAGE_EXPIRED) \420 , ENHANCE_YOUR_CALM, ENHANCE_YOUR_CALM) \421 , MISDIRECTED_REQUEST, MISDIRECTED_REQUEST) \422 , UNPROCESSABLE_ENTITY, UNPROCESSABLE_ENTITY) \423 , LOCKED, LOCKED) \424 , FAILED_DEPENDENCY, FAILED_DEPENDENCY) \425 , TOO_EARLY, TOO_EARLY) \426 , UPGRADE_REQUIRED, UPGRADE_REQUIRED) \428 , PRECONDITION_REQUIRED, PRECONDITION_REQUIRED) \429 , TOO_MANY_REQUESTS, TOO_MANY_REQUESTS) \430 , REQUEST_HEADER_FIELDS_TOO_LARGE_UNOFFICIAL, REQUEST_HEADER_FIELDS_TOO_LARGE_UNOFFICIAL) \431 , REQUEST_HEADER_FIELDS_TOO_LARGE, REQUEST_HEADER_FIELDS_TOO_LARGE) \440 , LOGIN_TIMEOUT, LOGIN_TIMEOUT) \444 , NO_RESPONSE, NO_RESPONSE) \449 , RETRY_WITH, RETRY_WITH) \450 , BLOCKED_BY_PARENTAL_CONTROL, BLOCKED_BY_PARENTAL_CONTROL) \451 , UNAVAILABLE_FOR_LEGAL_REASONS, UNAVAILABLE_FOR_LEGAL_REASONS) \460 , CLIENT_CLOSED_LOAD_BALANCED_REQUEST, CLIENT_CLOSED_LOAD_BALANCED_REQUEST) \463 , INVALID_X_FORWARDED_FOR, INVALID_X_FORWARDED_FOR) \494 , REQUEST_HEADER_TOO_LARGE, REQUEST_HEADER_TOO_LARGE) \495 , SSL_CERTIFICATE_ERROR, SSL_CERTIFICATE_ERROR) \496 , SSL_CERTIFICATE_REQUIRED, SSL_CERTIFICATE_REQUIRED) \497 , HTTP_REQUEST_SENT_TO_HTTPS_PORT, HTTP_REQUEST_SENT_TO_HTTPS_PORT) \498 , INVALID_TOKEN, INVALID_TOKEN) \499 , CLIENT_CLOSED_REQUEST, CLIENT_CLOSED_REQUEST) \500 , INTERNAL_SERVER_ERROR, INTERNAL_SERVER_ERROR) \501 , NOT_IMPLEMENTED, NOT_IMPLEMENTED) \502 , BAD_GATEWAY, BAD_GATEWAY) \503 , SERVICE_UNAVAILABLE, SERVICE_UNAVAILABLE) \504 , GATEWAY_TIMEOUT, GATEWAY_TIMEOUT) \505 , HTTP_VERSION_NOT_SUPPORTED, HTTP_VERSION_NOT_SUPPORTED) \506 , VARIANT_ALSO_NEGOTIATES, VARIANT_ALSO_NEGOTIATES) \507 , INSUFFICIENT_STORAGE, INSUFFICIENT_STORAGE) \508 , LOOP_DETECTED, LOOP_DETECTED) \509 , BANDWIDTH_LIMIT_EXCEEDED, BANDWIDTH_LIMIT_EXCEEDED) \510 , NOT_EXTENDED, NOT_EXTENDED) \511 , NETWORK_AUTHENTICATION_REQUIRED, NETWORK_AUTHENTICATION_REQUIRED) \520 , WEB_SERVER_UNKNOWN_ERROR, WEB_SERVER_UNKNOWN_ERROR) \521 , WEB_SERVER_IS_DOWN, WEB_SERVER_IS_DOWN) \522 , CONNECTION_TIMEOUT, CONNECTION_TIMEOUT) \523 , ORIGIN_IS_UNREACHABLE, ORIGIN_IS_UNREACHABLE) \524 , TIMEOUT_OCCURED, TIMEOUT_OCCURED) \525 , SSL_HANDSHAKE_FAILED, SSL_HANDSHAKE_FAILED) \526 , INVALID_SSL_CERTIFICATE, INVALID_SSL_CERTIFICATE) \527 , RAILGUN_ERROR, RAILGUN_ERROR) \529 , SITE_IS_OVERLOADED, SITE_IS_OVERLOADED) \530 , SITE_IS_FROZEN, SITE_IS_FROZEN) \561 , IDENTITY_PROVIDER_AUTHENTICATION_ERROR, IDENTITY_PROVIDER_AUTHENTICATION_ERROR) \598 , NETWORK_READ_TIMEOUT, NETWORK_READ_TIMEOUT) \599 , NETWORK_CONNECT_TIMEOUT, NETWORK_CONNECT_TIMEOUT) \#ifdef __cplusplus/* extern "C" */ #endif #endif /* LLLLHTTP_C_HEADERS_ */ #ifndef INCLUDE_LLHTTP_API_H_#define INCLUDE_LLHTTP_API_H_#ifdef __cplusplusextern "C" {#endif #include <stddef.h>#if defined (__wasm__)#define LLHTTP_EXPORT __attribute__((visibility("default" )))#elif defined (_WIN32)#define LLHTTP_EXPORT __declspec(dllexport)#else #define LLHTTP_EXPORT#endif typedef llhttp__internal_t llhttp_t;typedef struct llhttp_settings_s llhttp_settings_t;typedef int (*llhttp_data_cb)(llhttp_t*, const char *at, size_t length);typedef int (*llhttp_cb)(llhttp_t*);struct llhttp_settings_s {/* Possible return values 0, -1, `HPE_PAUSED` */ /* Possible return values 0, -1, HPE_USER */ /* Possible return values: * 0 - Proceed normally * 1 - Assume that request / response has no body , and proceed to parsing the * next message * 2 - Assume absence of body ( as above ) and make ` llhttp_execute ( ) ` return * ` HPE_PAUSED_UPGRADE ` * - 1 - Error * ` HPE_PAUSED ` /* Possible return values 0, -1, HPE_USER */ /* Possible return values 0, -1, `HPE_PAUSED` */ /* When on_chunk_header is called, the current chunk length is stored * in parser - > content_length . * Possible return values 0 , - 1 , ` HPE_PAUSED ` /* Initialize the parser with specific type and user settings. * * NOTE : lifetime of ` settings ` has to be at least the same as the lifetime of * the ` parser ` here . In practice , ` settings ` has to be either a static * variable or be allocated with ` malloc ` , ` new ` , etc . void llhttp_init(llhttp_t* parser, llhttp_type_t type,const llhttp_settings_t* settings);void llhttp_free(llhttp_t* parser);int llhttp_get_status_code(llhttp_t* parser);/* Reset an already initialized parser back to the start state, preserving the * existing parser type , callback settings , user data , and lenient flags . void llhttp_reset(llhttp_t* parser);/* Initialize the settings object */ void llhttp_settings_init(llhttp_settings_t* settings);/* Parse full or partial request/response, invoking user callbacks along the * way . * * If any of ` llhttp_data_cb ` returns errno not equal to ` HPE_OK ` - the parsing * interrupts , and such errno is returned from ` llhttp_execute ( ) ` . If * ` HPE_PAUSED ` was used as a errno , the execution can be resumed with * ` llhttp_resume ( ) ` call . * * In a special case of CONNECT / Upgrade request / response ` HPE_PAUSED_UPGRADE ` * is returned after fully parsing the request / response . If the user wishes to * continue parsing , they need to invoke ` llhttp_resume_after_upgrade ( ) ` . * * NOTE : if this function ever returns a non - pause type error , it will continue * to return the same error upon each successive call up until ` llhttp_init ( ) ` * is called . const char * data, size_t len);/* This method should be called when the other side has no further bytes to * send ( e . g . shutdown of readable side of the TCP connection . ) * * Requests without ` Content - Length ` and other messages might require treating * all incoming bytes as the part of the body , up to the last byte of the * connection . This method will invoke ` on_message_complete ( ) ` callback if the * request was terminated safely . Otherwise a error code would be returned . /* Returns `1` if the incoming message is parsed until the last byte, and has * to be completed by calling ` llhttp_finish ( ) ` on EOF int llhttp_message_needs_eof(const llhttp_t* parser);/* Returns `1` if there might be any other messages following the last that was * successfully parsed . int llhttp_should_keep_alive(const llhttp_t* parser);/* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set * appropriate error reason . * * Important : do not call this from user callbacks ! User callbacks must return * ` HPE_PAUSED ` if pausing is required . void llhttp_pause(llhttp_t* parser);/* Might be called to resume the execution after the pause in user's callback. * See ` llhttp_execute ( ) ` above for details . * * Call this only if ` llhttp_execute ( ) ` returns ` HPE_PAUSED ` . void llhttp_resume(llhttp_t* parser);/* Might be called to resume the execution after the pause in user's callback. * See ` llhttp_execute ( ) ` above for details . * * Call this only if ` llhttp_execute ( ) ` returns ` HPE_PAUSED_UPGRADE ` void llhttp_resume_after_upgrade(llhttp_t* parser);/* Returns the latest return error */ const llhttp_t* parser);/* Returns the verbal explanation of the latest returned error. * * Note : User callback should set error reason when returning the error . See * ` llhttp_set_error_reason ( ) ` for details . const char * llhttp_get_error_reason(const llhttp_t* parser);/* Assign verbal description to the returned error. Must be called in user * callbacks right before returning the errno . * * Note : ` HPE_USER ` error code might be useful in user callbacks . void llhttp_set_error_reason(llhttp_t* parser, const char * reason);/* Returns the pointer to the last parsed byte before the returned error. The * pointer is relative to the ` data ` argument of ` llhttp_execute ( ) ` . * * Note : this method might be useful for counting the number of parsed bytes . const char * llhttp_get_error_pos(const llhttp_t* parser);/* Returns textual name of error code */ const char * llhttp_errno_name(llhttp_errno_t err);/* Returns textual name of HTTP method */ const char * llhttp_method_name(llhttp_method_t method);/* Returns textual name of HTTP status */ const char * llhttp_status_name(llhttp_status_t status);/* Enables/disables lenient header value parsing (disabled by default). * * Lenient parsing disables header value token checks , extending llhttp ' s * protocol support to highly non - compliant clients / server . No * ` HPE_INVALID_HEADER_TOKEN ` will be raised for incorrect header values when * lenient parsing is " on " . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of conflicting `Transfer-Encoding` and * ` Content - Length ` headers ( disabled by default ) . * * Normally ` llhttp ` would error when ` Transfer - Encoding ` is present in * conjunction with ` Content - Length ` . This error is important to prevent HTTP * request smuggling , but may be less desirable for small number of cases * involving legacy servers . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of `Connection: close` and HTTP/1.0 * requests responses . * * Normally ` llhttp ` would error on ( in strict mode ) or discard ( in loose mode ) * the HTTP request / response after the request / response with ` Connection : close ` * and ` Content - Length ` . This is important to prevent cache poisoning attacks , * but might interact badly with outdated and insecure clients . With this flag * the extra request / response will be parsed normally . * * * * Enabling this flag can pose a security issue since you will be exposed to * poisoning attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of `Transfer-Encoding` header. * * Normally ` llhttp ` would error when a ` Transfer - Encoding ` has ` chunked ` value * and another value after it ( either in a single header or in multiple * headers whose value are internally joined using ` , ` ) . * This is mandated by the spec to reliably determine request body size and thus * avoid request smuggling . * With this flag the extra value will be parsed normally . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_transfer_encoding(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of HTTP version. * * Normally ` llhttp ` would error when the HTTP version in the request or status line * is not ` 0 . 9 ` , ` 1 . 0 ` , ` 1 . 1 ` or ` 2 . 0 ` . * With this flag the invalid value will be parsed normally . * * * * Enabling this flag can pose a security issue since you will allow unsupported * HTTP versions . USE WITH CAUTION ! * * void llhttp_set_lenient_version(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of additional data received after a message ends * and keep - alive is disabled . * * Normally ` llhttp ` would error when additional unexpected data is received if the message * contains the ` Connection ` header with ` close ` value . * With this flag the extra data will discarded without throwing an error . * * * * Enabling this flag can pose a security issue since you will be exposed to * poisoning attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_data_after_close(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of incomplete CRLF sequences. * * Normally ` llhttp ` would error when a CR is not followed by LF when terminating the * request line , the status line , the headers or a chunk header . * With this flag only a CR is required to terminate such sections . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_optional_lf_after_cr(llhttp_t* parser, int enabled);/* * Enables / disables lenient handling of line separators . * * Normally ` llhttp ` would error when a LF is not preceded by CR when terminating the * request line , the status line , the headers , a chunk header or a chunk data . * With this flag only a LF is required to terminate such sections . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_optional_cr_before_lf(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of chunks not separated via CRLF. * * Normally ` llhttp ` would error when after a chunk data a CRLF is missing before * starting a new chunk . * With this flag the new chunk can start immediately after the previous one . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_optional_crlf_after_chunk(llhttp_t* parser, int enabled);/* Enables/disables lenient handling of spaces after chunk size. * * Normally ` llhttp ` would error when after a chunk size is followed by one or more * spaces are present instead of a CRLF or ` ; ` . * With this flag this check is disabled . * * * * Enabling this flag can pose a security issue since you will be exposed to * request smuggling attacks . USE WITH CAUTION ! * * void llhttp_set_lenient_spaces_after_chunk_size(llhttp_t* parser, int enabled);#ifdef __cplusplus/* extern "C" */ #endif #endif /* INCLUDE_LLHTTP_API_H_ */ #endif /* INCLUDE_LLHTTP_H_ */
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