Update llhttp to v5.1.0

This commit is contained in:
XMRig 2021-04-10 21:23:32 +07:00
parent 30cfcc27db
commit 92e708c6e7
No known key found for this signature in database
GPG key ID: 446A53638BE94409
4 changed files with 292 additions and 29 deletions

View file

@ -24,6 +24,70 @@ void llhttp_init(llhttp_t* parser, llhttp_type_t type,
} }
#if defined(__wasm__)
extern int wasm_on_message_begin(llhttp_t * p);
extern int wasm_on_url(llhttp_t* p, const char* at, size_t length);
extern int wasm_on_status(llhttp_t* p, const char* at, size_t length);
extern int wasm_on_header_field(llhttp_t* p, const char* at, size_t length);
extern int wasm_on_header_value(llhttp_t* p, const char* at, size_t length);
extern int wasm_on_headers_complete(llhttp_t * p);
extern int wasm_on_body(llhttp_t* p, const char* at, size_t length);
extern int wasm_on_message_complete(llhttp_t * p);
const llhttp_settings_t wasm_settings = {
wasm_on_message_begin,
wasm_on_url,
wasm_on_status,
wasm_on_header_field,
wasm_on_header_value,
wasm_on_headers_complete,
wasm_on_body,
wasm_on_message_complete,
NULL,
NULL,
};
llhttp_t* llhttp_alloc(llhttp_type_t type) {
llhttp_t* parser = malloc(sizeof(llhttp_t));
llhttp_init(parser, type, &wasm_settings);
return parser;
}
void llhttp_free(llhttp_t* parser) {
free(parser);
}
/* Some getters required to get stuff from the parser */
uint8_t llhttp_get_type(llhttp_t* parser) {
return parser->type;
}
uint8_t llhttp_get_http_major(llhttp_t* parser) {
return parser->http_major;
}
uint8_t llhttp_get_http_minor(llhttp_t* parser) {
return parser->http_minor;
}
uint8_t llhttp_get_method(llhttp_t* parser) {
return parser->method;
}
int llhttp_get_status_code(llhttp_t* parser) {
return parser->status_code;
}
uint8_t llhttp_get_upgrade(llhttp_t* parser) {
return parser->upgrade;
}
#endif // defined(__wasm__)
void llhttp_reset(llhttp_t* parser) { void llhttp_reset(llhttp_t* parser) {
llhttp_type_t type = parser->type; llhttp_type_t type = parser->type;
const llhttp_settings_t* settings = parser->settings; const llhttp_settings_t* settings = parser->settings;
@ -150,6 +214,7 @@ void llhttp_set_lenient_headers(llhttp_t* parser, int enabled) {
} }
} }
void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) { void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
if (enabled) { if (enabled) {
parser->lenient_flags |= LENIENT_CHUNKED_LENGTH; parser->lenient_flags |= LENIENT_CHUNKED_LENGTH;
@ -159,6 +224,14 @@ void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
} }
void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled) {
if (enabled) {
parser->lenient_flags |= LENIENT_KEEP_ALIVE;
} else {
parser->lenient_flags &= ~LENIENT_KEEP_ALIVE;
}
}
/* Callbacks */ /* Callbacks */

View file

@ -5,6 +5,12 @@ extern "C" {
#endif #endif
#include <stddef.h> #include <stddef.h>
#if defined(__wasm__)
#define LLHTTP_EXPORT __attribute__((visibility("default")))
#else
#define LLHTTP_EXPORT
#endif
typedef llhttp__internal_t llhttp_t; typedef llhttp__internal_t llhttp_t;
typedef struct llhttp_settings_s llhttp_settings_t; typedef struct llhttp_settings_s llhttp_settings_t;
@ -55,15 +61,46 @@ struct llhttp_settings_s {
* the `parser` here. In practice, `settings` has to be either a static * the `parser` here. In practice, `settings` has to be either a static
* variable or be allocated with `malloc`, `new`, etc. * variable or be allocated with `malloc`, `new`, etc.
*/ */
LLHTTP_EXPORT
void llhttp_init(llhttp_t* parser, llhttp_type_t type, void llhttp_init(llhttp_t* parser, llhttp_type_t type,
const llhttp_settings_t* settings); const llhttp_settings_t* settings);
#if defined(__wasm__)
LLHTTP_EXPORT
llhttp_t* llhttp_alloc(llhttp_type_t type);
LLHTTP_EXPORT
void llhttp_free(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_type(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_http_major(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_http_minor(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_method(llhttp_t* parser);
LLHTTP_EXPORT
int llhttp_get_status_code(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_upgrade(llhttp_t* parser);
#endif // defined(__wasm__)
/* Reset an already initialized parser back to the start state, preserving the /* Reset an already initialized parser back to the start state, preserving the
* existing parser type, callback settings, user data, and lenient flags. * existing parser type, callback settings, user data, and lenient flags.
*/ */
LLHTTP_EXPORT
void llhttp_reset(llhttp_t* parser); void llhttp_reset(llhttp_t* parser);
/* Initialize the settings object */ /* Initialize the settings object */
LLHTTP_EXPORT
void llhttp_settings_init(llhttp_settings_t* settings); void llhttp_settings_init(llhttp_settings_t* settings);
/* Parse full or partial request/response, invoking user callbacks along the /* Parse full or partial request/response, invoking user callbacks along the
@ -82,6 +119,7 @@ void llhttp_settings_init(llhttp_settings_t* settings);
* to return the same error upon each successive call up until `llhttp_init()` * to return the same error upon each successive call up until `llhttp_init()`
* is called. * is called.
*/ */
LLHTTP_EXPORT
llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len); llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
/* This method should be called when the other side has no further bytes to /* This method should be called when the other side has no further bytes to
@ -92,16 +130,19 @@ llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
* connection. This method will invoke `on_message_complete()` callback if the * connection. This method will invoke `on_message_complete()` callback if the
* request was terminated safely. Otherwise a error code would be returned. * request was terminated safely. Otherwise a error code would be returned.
*/ */
LLHTTP_EXPORT
llhttp_errno_t llhttp_finish(llhttp_t* parser); llhttp_errno_t llhttp_finish(llhttp_t* parser);
/* Returns `1` if the incoming message is parsed until the last byte, and has /* Returns `1` if the incoming message is parsed until the last byte, and has
* to be completed by calling `llhttp_finish()` on EOF * to be completed by calling `llhttp_finish()` on EOF
*/ */
LLHTTP_EXPORT
int llhttp_message_needs_eof(const llhttp_t* parser); int llhttp_message_needs_eof(const llhttp_t* parser);
/* Returns `1` if there might be any other messages following the last that was /* Returns `1` if there might be any other messages following the last that was
* successfully parsed. * successfully parsed.
*/ */
LLHTTP_EXPORT
int llhttp_should_keep_alive(const llhttp_t* parser); int llhttp_should_keep_alive(const llhttp_t* parser);
/* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set /* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set
@ -110,6 +151,7 @@ int llhttp_should_keep_alive(const llhttp_t* parser);
* Important: do not call this from user callbacks! User callbacks must return * Important: do not call this from user callbacks! User callbacks must return
* `HPE_PAUSED` if pausing is required. * `HPE_PAUSED` if pausing is required.
*/ */
LLHTTP_EXPORT
void llhttp_pause(llhttp_t* parser); void llhttp_pause(llhttp_t* parser);
/* Might be called to resume the execution after the pause in user's callback. /* Might be called to resume the execution after the pause in user's callback.
@ -117,6 +159,7 @@ void llhttp_pause(llhttp_t* parser);
* *
* Call this only if `llhttp_execute()` returns `HPE_PAUSED`. * Call this only if `llhttp_execute()` returns `HPE_PAUSED`.
*/ */
LLHTTP_EXPORT
void llhttp_resume(llhttp_t* parser); void llhttp_resume(llhttp_t* parser);
/* Might be called to resume the execution after the pause in user's callback. /* Might be called to resume the execution after the pause in user's callback.
@ -124,9 +167,11 @@ void llhttp_resume(llhttp_t* parser);
* *
* Call this only if `llhttp_execute()` returns `HPE_PAUSED_UPGRADE` * Call this only if `llhttp_execute()` returns `HPE_PAUSED_UPGRADE`
*/ */
LLHTTP_EXPORT
void llhttp_resume_after_upgrade(llhttp_t* parser); void llhttp_resume_after_upgrade(llhttp_t* parser);
/* Returns the latest return error */ /* Returns the latest return error */
LLHTTP_EXPORT
llhttp_errno_t llhttp_get_errno(const llhttp_t* parser); llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
/* Returns the verbal explanation of the latest returned error. /* Returns the verbal explanation of the latest returned error.
@ -134,6 +179,7 @@ llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
* Note: User callback should set error reason when returning the error. See * Note: User callback should set error reason when returning the error. See
* `llhttp_set_error_reason()` for details. * `llhttp_set_error_reason()` for details.
*/ */
LLHTTP_EXPORT
const char* llhttp_get_error_reason(const llhttp_t* parser); const char* llhttp_get_error_reason(const llhttp_t* parser);
/* Assign verbal description to the returned error. Must be called in user /* Assign verbal description to the returned error. Must be called in user
@ -141,6 +187,7 @@ const char* llhttp_get_error_reason(const llhttp_t* parser);
* *
* Note: `HPE_USER` error code might be useful in user callbacks. * Note: `HPE_USER` error code might be useful in user callbacks.
*/ */
LLHTTP_EXPORT
void llhttp_set_error_reason(llhttp_t* parser, const char* reason); void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
/* Returns the pointer to the last parsed byte before the returned error. The /* Returns the pointer to the last parsed byte before the returned error. The
@ -148,12 +195,15 @@ void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
* *
* Note: this method might be useful for counting the number of parsed bytes. * Note: this method might be useful for counting the number of parsed bytes.
*/ */
LLHTTP_EXPORT
const char* llhttp_get_error_pos(const llhttp_t* parser); const char* llhttp_get_error_pos(const llhttp_t* parser);
/* Returns textual name of error code */ /* Returns textual name of error code */
LLHTTP_EXPORT
const char* llhttp_errno_name(llhttp_errno_t err); const char* llhttp_errno_name(llhttp_errno_t err);
/* Returns textual name of HTTP method */ /* Returns textual name of HTTP method */
LLHTTP_EXPORT
const char* llhttp_method_name(llhttp_method_t method); const char* llhttp_method_name(llhttp_method_t method);
@ -166,6 +216,7 @@ const char* llhttp_method_name(llhttp_method_t method);
* *
* **(USE AT YOUR OWN RISK)** * **(USE AT YOUR OWN RISK)**
*/ */
LLHTTP_EXPORT
void llhttp_set_lenient_headers(llhttp_t* parser, int enabled); void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
@ -179,8 +230,23 @@ void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
* *
* **(USE AT YOUR OWN RISK)** * **(USE AT YOUR OWN RISK)**
*/ */
LLHTTP_EXPORT
void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled); 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.
*
* **(USE AT YOUR OWN RISK)**
*/
void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled);
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */
#endif #endif

View file

@ -627,6 +627,13 @@ int llhttp__internal__c_update_finish_1(
return 0; return 0;
} }
int llhttp__internal__c_test_lenient_flags(
llhttp__internal_t* state,
const unsigned char* p,
const unsigned char* endp) {
return (state->lenient_flags & 4) == 4;
}
int llhttp__internal__c_test_flags_1( int llhttp__internal__c_test_flags_1(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
@ -634,7 +641,7 @@ int llhttp__internal__c_test_flags_1(
return (state->flags & 544) == 544; return (state->flags & 544) == 544;
} }
int llhttp__internal__c_test_lenient_flags( int llhttp__internal__c_test_lenient_flags_1(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
const unsigned char* endp) { const unsigned char* endp) {
@ -802,7 +809,7 @@ int llhttp__internal__c_update_header_state_2(
return 0; return 0;
} }
int llhttp__internal__c_test_lenient_flags_1( int llhttp__internal__c_test_lenient_flags_2(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
const unsigned char* endp) { const unsigned char* endp) {
@ -1661,7 +1668,7 @@ static llparse_state_t llhttp__internal__run(
goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2; goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
} }
default: { default: {
goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1; goto s_n_llhttp__internal__n_invoke_test_lenient_flags_2;
} }
} }
/* UNREACHABLE */; /* UNREACHABLE */;
@ -5733,10 +5740,20 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags: {
switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
case 1:
goto s_n_llhttp__internal__n_invoke_update_finish_2;
default:
goto s_n_llhttp__internal__n_closed;
}
/* UNREACHABLE */;
abort();
}
s_n_llhttp__internal__n_invoke_update_finish_1: { s_n_llhttp__internal__n_invoke_update_finish_1: {
switch (llhttp__internal__c_update_finish_1(state, p, endp)) { switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
default: default:
goto s_n_llhttp__internal__n_closed; goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
} }
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
@ -6098,8 +6115,8 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags: { s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) { switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
case 0: case 0:
goto s_n_llhttp__internal__n_error_15; goto s_n_llhttp__internal__n_error_15;
default: default:
@ -6111,7 +6128,7 @@ static llparse_state_t llhttp__internal__run(
s_n_llhttp__internal__n_invoke_test_flags_1: { s_n_llhttp__internal__n_invoke_test_flags_1: {
switch (llhttp__internal__c_test_flags_1(state, p, endp)) { switch (llhttp__internal__c_test_flags_1(state, p, endp)) {
case 1: case 1:
goto s_n_llhttp__internal__n_invoke_test_lenient_flags; goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
default: default:
goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete; goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete;
} }
@ -6365,8 +6382,8 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags_1: { s_n_llhttp__internal__n_invoke_test_lenient_flags_2: {
switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) { switch (llhttp__internal__c_test_lenient_flags_2(state, p, endp)) {
case 1: case 1:
goto s_n_llhttp__internal__n_header_value_lenient; goto s_n_llhttp__internal__n_header_value_lenient;
default: default:
@ -6727,7 +6744,7 @@ static llparse_state_t llhttp__internal__run(
abort(); abort();
} }
s_n_llhttp__internal__n_error_29: { s_n_llhttp__internal__n_error_29: {
state->error = 0x16; state->error = 0x17;
state->reason = "Pause on PRI/Upgrade"; state->reason = "Pause on PRI/Upgrade";
state->error_pos = (const char*) p; state->error_pos = (const char*) p;
state->_current = (void*) (intptr_t) s_error; state->_current = (void*) (intptr_t) s_error;
@ -7906,6 +7923,7 @@ reset:
enum llparse_state_e { enum llparse_state_e {
s_error, s_error,
s_n_llhttp__internal__n_closed,
s_n_llhttp__internal__n_invoke_llhttp__after_message_complete, s_n_llhttp__internal__n_invoke_llhttp__after_message_complete,
s_n_llhttp__internal__n_pause_1, s_n_llhttp__internal__n_pause_1,
s_n_llhttp__internal__n_invoke_is_equal_upgrade, s_n_llhttp__internal__n_invoke_is_equal_upgrade,
@ -8199,6 +8217,13 @@ int llhttp__internal__c_update_finish_1(
return 0; return 0;
} }
int llhttp__internal__c_test_lenient_flags(
llhttp__internal_t* state,
const unsigned char* p,
const unsigned char* endp) {
return (state->lenient_flags & 4) == 4;
}
int llhttp__internal__c_test_flags_1( int llhttp__internal__c_test_flags_1(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
@ -8206,7 +8231,7 @@ int llhttp__internal__c_test_flags_1(
return (state->flags & 544) == 544; return (state->flags & 544) == 544;
} }
int llhttp__internal__c_test_lenient_flags( int llhttp__internal__c_test_lenient_flags_1(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
const unsigned char* endp) { const unsigned char* endp) {
@ -8278,7 +8303,7 @@ int llhttp__internal__c_or_flags(
return 0; return 0;
} }
int llhttp__internal__c_update_finish_2( int llhttp__internal__c_update_finish_3(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
const unsigned char* endp) { const unsigned char* endp) {
@ -8374,7 +8399,7 @@ int llhttp__internal__c_update_header_state_2(
return 0; return 0;
} }
int llhttp__internal__c_test_lenient_flags_1( int llhttp__internal__c_test_lenient_flags_2(
llhttp__internal_t* state, llhttp__internal_t* state,
const unsigned char* p, const unsigned char* p,
const unsigned char* endp) { const unsigned char* endp) {
@ -8574,9 +8599,21 @@ static llparse_state_t llhttp__internal__run(
const unsigned char* endp) { const unsigned char* endp) {
int match; int match;
switch ((llparse_state_t) (intptr_t) state->_current) { switch ((llparse_state_t) (intptr_t) state->_current) {
case s_n_llhttp__internal__n_closed:
s_n_llhttp__internal__n_closed: {
if (p == endp) {
return s_n_llhttp__internal__n_closed;
}
p++;
goto s_n_llhttp__internal__n_closed;
/* UNREACHABLE */;
abort();
}
case s_n_llhttp__internal__n_invoke_llhttp__after_message_complete: case s_n_llhttp__internal__n_invoke_llhttp__after_message_complete:
s_n_llhttp__internal__n_invoke_llhttp__after_message_complete: { s_n_llhttp__internal__n_invoke_llhttp__after_message_complete: {
switch (llhttp__after_message_complete(state, p, endp)) { switch (llhttp__after_message_complete(state, p, endp)) {
case 1:
goto s_n_llhttp__internal__n_invoke_update_finish_2;
default: default:
goto s_n_llhttp__internal__n_invoke_update_finish_1; goto s_n_llhttp__internal__n_invoke_update_finish_1;
} }
@ -9045,7 +9082,7 @@ static llparse_state_t llhttp__internal__run(
case 3: case 3:
goto s_n_llhttp__internal__n_span_start_llhttp__on_body_1; goto s_n_llhttp__internal__n_span_start_llhttp__on_body_1;
case 4: case 4:
goto s_n_llhttp__internal__n_invoke_update_finish_2; goto s_n_llhttp__internal__n_invoke_update_finish_3;
case 5: case 5:
goto s_n_llhttp__internal__n_error_10; goto s_n_llhttp__internal__n_error_10;
default: default:
@ -9184,7 +9221,7 @@ static llparse_state_t llhttp__internal__run(
goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2; goto s_n_llhttp__internal__n_span_end_llhttp__on_header_value_2;
} }
default: { default: {
goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1; goto s_n_llhttp__internal__n_invoke_test_lenient_flags_2;
} }
} }
/* UNREACHABLE */; /* UNREACHABLE */;
@ -13077,7 +13114,7 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_update_finish_1: { s_n_llhttp__internal__n_invoke_update_finish_2: {
switch (llhttp__internal__c_update_finish_1(state, p, endp)) { switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
default: default:
goto s_n_llhttp__internal__n_start; goto s_n_llhttp__internal__n_start;
@ -13085,6 +13122,24 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags: {
switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) {
case 1:
goto s_n_llhttp__internal__n_invoke_update_finish_2;
default:
goto s_n_llhttp__internal__n_closed;
}
/* UNREACHABLE */;
abort();
}
s_n_llhttp__internal__n_invoke_update_finish_1: {
switch (llhttp__internal__c_update_finish_1(state, p, endp)) {
default:
goto s_n_llhttp__internal__n_invoke_test_lenient_flags;
}
/* UNREACHABLE */;
abort();
}
s_n_llhttp__internal__n_pause_5: { s_n_llhttp__internal__n_pause_5: {
state->error = 0x15; state->error = 0x15;
state->reason = "on_message_complete pause"; state->reason = "on_message_complete pause";
@ -13311,8 +13366,8 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_update_finish_2: { s_n_llhttp__internal__n_invoke_update_finish_3: {
switch (llhttp__internal__c_update_finish_2(state, p, endp)) { switch (llhttp__internal__c_update_finish_3(state, p, endp)) {
default: default:
goto s_n_llhttp__internal__n_span_start_llhttp__on_body_2; goto s_n_llhttp__internal__n_span_start_llhttp__on_body_2;
} }
@ -13424,8 +13479,8 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags: { s_n_llhttp__internal__n_invoke_test_lenient_flags_1: {
switch (llhttp__internal__c_test_lenient_flags(state, p, endp)) { switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) {
case 0: case 0:
goto s_n_llhttp__internal__n_error_11; goto s_n_llhttp__internal__n_error_11;
default: default:
@ -13437,7 +13492,7 @@ static llparse_state_t llhttp__internal__run(
s_n_llhttp__internal__n_invoke_test_flags_1: { s_n_llhttp__internal__n_invoke_test_flags_1: {
switch (llhttp__internal__c_test_flags_1(state, p, endp)) { switch (llhttp__internal__c_test_flags_1(state, p, endp)) {
case 1: case 1:
goto s_n_llhttp__internal__n_invoke_test_lenient_flags; goto s_n_llhttp__internal__n_invoke_test_lenient_flags_1;
default: default:
goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete; goto s_n_llhttp__internal__n_invoke_llhttp__before_headers_complete;
} }
@ -13673,8 +13728,8 @@ static llparse_state_t llhttp__internal__run(
/* UNREACHABLE */; /* UNREACHABLE */;
abort(); abort();
} }
s_n_llhttp__internal__n_invoke_test_lenient_flags_1: { s_n_llhttp__internal__n_invoke_test_lenient_flags_2: {
switch (llhttp__internal__c_test_lenient_flags_1(state, p, endp)) { switch (llhttp__internal__c_test_lenient_flags_2(state, p, endp)) {
case 1: case 1:
goto s_n_llhttp__internal__n_header_value_lenient; goto s_n_llhttp__internal__n_header_value_lenient;
default: default:
@ -14035,7 +14090,7 @@ static llparse_state_t llhttp__internal__run(
abort(); abort();
} }
s_n_llhttp__internal__n_error_23: { s_n_llhttp__internal__n_error_23: {
state->error = 0x16; state->error = 0x17;
state->reason = "Pause on PRI/Upgrade"; state->reason = "Pause on PRI/Upgrade";
state->error_pos = (const char*) p; state->error_pos = (const char*) p;
state->_current = (void*) (intptr_t) s_error; state->_current = (void*) (intptr_t) s_error;

View file

@ -1,8 +1,8 @@
#ifndef INCLUDE_LLHTTP_H_ #ifndef INCLUDE_LLHTTP_H_
#define INCLUDE_LLHTTP_H_ #define INCLUDE_LLHTTP_H_
#define LLHTTP_VERSION_MAJOR 4 #define LLHTTP_VERSION_MAJOR 5
#define LLHTTP_VERSION_MINOR 0 #define LLHTTP_VERSION_MINOR 1
#define LLHTTP_VERSION_PATCH 0 #define LLHTTP_VERSION_PATCH 0
#ifndef LLHTTP_STRICT_MODE #ifndef LLHTTP_STRICT_MODE
@ -79,7 +79,8 @@ enum llhttp_errno {
HPE_CB_CHUNK_COMPLETE = 20, HPE_CB_CHUNK_COMPLETE = 20,
HPE_PAUSED = 21, HPE_PAUSED = 21,
HPE_PAUSED_UPGRADE = 22, HPE_PAUSED_UPGRADE = 22,
HPE_USER = 23 HPE_PAUSED_H2_UPGRADE = 23,
HPE_USER = 24
}; };
typedef enum llhttp_errno llhttp_errno_t; typedef enum llhttp_errno llhttp_errno_t;
@ -98,7 +99,8 @@ typedef enum llhttp_flags llhttp_flags_t;
enum llhttp_lenient_flags { enum llhttp_lenient_flags {
LENIENT_HEADERS = 0x1, LENIENT_HEADERS = 0x1,
LENIENT_CHUNKED_LENGTH = 0x2 LENIENT_CHUNKED_LENGTH = 0x2,
LENIENT_KEEP_ALIVE = 0x4
}; };
typedef enum llhttp_lenient_flags llhttp_lenient_flags_t; typedef enum llhttp_lenient_flags llhttp_lenient_flags_t;
@ -190,7 +192,8 @@ typedef enum llhttp_method llhttp_method_t;
XX(20, CB_CHUNK_COMPLETE, CB_CHUNK_COMPLETE) \ XX(20, CB_CHUNK_COMPLETE, CB_CHUNK_COMPLETE) \
XX(21, PAUSED, PAUSED) \ XX(21, PAUSED, PAUSED) \
XX(22, PAUSED_UPGRADE, PAUSED_UPGRADE) \ XX(22, PAUSED_UPGRADE, PAUSED_UPGRADE) \
XX(23, USER, USER) \ XX(23, PAUSED_H2_UPGRADE, PAUSED_H2_UPGRADE) \
XX(24, USER, USER) \
#define HTTP_METHOD_MAP(XX) \ #define HTTP_METHOD_MAP(XX) \
@ -255,6 +258,12 @@ extern "C" {
#endif #endif
#include <stddef.h> #include <stddef.h>
#if defined(__wasm__)
#define LLHTTP_EXPORT __attribute__((visibility("default")))
#else
#define LLHTTP_EXPORT
#endif
typedef llhttp__internal_t llhttp_t; typedef llhttp__internal_t llhttp_t;
typedef struct llhttp_settings_s llhttp_settings_t; typedef struct llhttp_settings_s llhttp_settings_t;
@ -305,15 +314,46 @@ struct llhttp_settings_s {
* the `parser` here. In practice, `settings` has to be either a static * the `parser` here. In practice, `settings` has to be either a static
* variable or be allocated with `malloc`, `new`, etc. * variable or be allocated with `malloc`, `new`, etc.
*/ */
LLHTTP_EXPORT
void llhttp_init(llhttp_t* parser, llhttp_type_t type, void llhttp_init(llhttp_t* parser, llhttp_type_t type,
const llhttp_settings_t* settings); const llhttp_settings_t* settings);
#if defined(__wasm__)
LLHTTP_EXPORT
llhttp_t* llhttp_alloc(llhttp_type_t type);
LLHTTP_EXPORT
void llhttp_free(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_type(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_http_major(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_http_minor(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_method(llhttp_t* parser);
LLHTTP_EXPORT
int llhttp_get_status_code(llhttp_t* parser);
LLHTTP_EXPORT
uint8_t llhttp_get_upgrade(llhttp_t* parser);
#endif // defined(__wasm__)
/* Reset an already initialized parser back to the start state, preserving the /* Reset an already initialized parser back to the start state, preserving the
* existing parser type, callback settings, user data, and lenient flags. * existing parser type, callback settings, user data, and lenient flags.
*/ */
LLHTTP_EXPORT
void llhttp_reset(llhttp_t* parser); void llhttp_reset(llhttp_t* parser);
/* Initialize the settings object */ /* Initialize the settings object */
LLHTTP_EXPORT
void llhttp_settings_init(llhttp_settings_t* settings); void llhttp_settings_init(llhttp_settings_t* settings);
/* Parse full or partial request/response, invoking user callbacks along the /* Parse full or partial request/response, invoking user callbacks along the
@ -332,6 +372,7 @@ void llhttp_settings_init(llhttp_settings_t* settings);
* to return the same error upon each successive call up until `llhttp_init()` * to return the same error upon each successive call up until `llhttp_init()`
* is called. * is called.
*/ */
LLHTTP_EXPORT
llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len); llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
/* This method should be called when the other side has no further bytes to /* This method should be called when the other side has no further bytes to
@ -342,16 +383,19 @@ llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len);
* connection. This method will invoke `on_message_complete()` callback if the * connection. This method will invoke `on_message_complete()` callback if the
* request was terminated safely. Otherwise a error code would be returned. * request was terminated safely. Otherwise a error code would be returned.
*/ */
LLHTTP_EXPORT
llhttp_errno_t llhttp_finish(llhttp_t* parser); llhttp_errno_t llhttp_finish(llhttp_t* parser);
/* Returns `1` if the incoming message is parsed until the last byte, and has /* Returns `1` if the incoming message is parsed until the last byte, and has
* to be completed by calling `llhttp_finish()` on EOF * to be completed by calling `llhttp_finish()` on EOF
*/ */
LLHTTP_EXPORT
int llhttp_message_needs_eof(const llhttp_t* parser); int llhttp_message_needs_eof(const llhttp_t* parser);
/* Returns `1` if there might be any other messages following the last that was /* Returns `1` if there might be any other messages following the last that was
* successfully parsed. * successfully parsed.
*/ */
LLHTTP_EXPORT
int llhttp_should_keep_alive(const llhttp_t* parser); int llhttp_should_keep_alive(const llhttp_t* parser);
/* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set /* Make further calls of `llhttp_execute()` return `HPE_PAUSED` and set
@ -360,6 +404,7 @@ int llhttp_should_keep_alive(const llhttp_t* parser);
* Important: do not call this from user callbacks! User callbacks must return * Important: do not call this from user callbacks! User callbacks must return
* `HPE_PAUSED` if pausing is required. * `HPE_PAUSED` if pausing is required.
*/ */
LLHTTP_EXPORT
void llhttp_pause(llhttp_t* parser); void llhttp_pause(llhttp_t* parser);
/* Might be called to resume the execution after the pause in user's callback. /* Might be called to resume the execution after the pause in user's callback.
@ -367,6 +412,7 @@ void llhttp_pause(llhttp_t* parser);
* *
* Call this only if `llhttp_execute()` returns `HPE_PAUSED`. * Call this only if `llhttp_execute()` returns `HPE_PAUSED`.
*/ */
LLHTTP_EXPORT
void llhttp_resume(llhttp_t* parser); void llhttp_resume(llhttp_t* parser);
/* Might be called to resume the execution after the pause in user's callback. /* Might be called to resume the execution after the pause in user's callback.
@ -374,9 +420,11 @@ void llhttp_resume(llhttp_t* parser);
* *
* Call this only if `llhttp_execute()` returns `HPE_PAUSED_UPGRADE` * Call this only if `llhttp_execute()` returns `HPE_PAUSED_UPGRADE`
*/ */
LLHTTP_EXPORT
void llhttp_resume_after_upgrade(llhttp_t* parser); void llhttp_resume_after_upgrade(llhttp_t* parser);
/* Returns the latest return error */ /* Returns the latest return error */
LLHTTP_EXPORT
llhttp_errno_t llhttp_get_errno(const llhttp_t* parser); llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
/* Returns the verbal explanation of the latest returned error. /* Returns the verbal explanation of the latest returned error.
@ -384,6 +432,7 @@ llhttp_errno_t llhttp_get_errno(const llhttp_t* parser);
* Note: User callback should set error reason when returning the error. See * Note: User callback should set error reason when returning the error. See
* `llhttp_set_error_reason()` for details. * `llhttp_set_error_reason()` for details.
*/ */
LLHTTP_EXPORT
const char* llhttp_get_error_reason(const llhttp_t* parser); const char* llhttp_get_error_reason(const llhttp_t* parser);
/* Assign verbal description to the returned error. Must be called in user /* Assign verbal description to the returned error. Must be called in user
@ -391,6 +440,7 @@ const char* llhttp_get_error_reason(const llhttp_t* parser);
* *
* Note: `HPE_USER` error code might be useful in user callbacks. * Note: `HPE_USER` error code might be useful in user callbacks.
*/ */
LLHTTP_EXPORT
void llhttp_set_error_reason(llhttp_t* parser, const char* reason); void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
/* Returns the pointer to the last parsed byte before the returned error. The /* Returns the pointer to the last parsed byte before the returned error. The
@ -398,12 +448,15 @@ void llhttp_set_error_reason(llhttp_t* parser, const char* reason);
* *
* Note: this method might be useful for counting the number of parsed bytes. * Note: this method might be useful for counting the number of parsed bytes.
*/ */
LLHTTP_EXPORT
const char* llhttp_get_error_pos(const llhttp_t* parser); const char* llhttp_get_error_pos(const llhttp_t* parser);
/* Returns textual name of error code */ /* Returns textual name of error code */
LLHTTP_EXPORT
const char* llhttp_errno_name(llhttp_errno_t err); const char* llhttp_errno_name(llhttp_errno_t err);
/* Returns textual name of HTTP method */ /* Returns textual name of HTTP method */
LLHTTP_EXPORT
const char* llhttp_method_name(llhttp_method_t method); const char* llhttp_method_name(llhttp_method_t method);
@ -416,6 +469,7 @@ const char* llhttp_method_name(llhttp_method_t method);
* *
* **(USE AT YOUR OWN RISK)** * **(USE AT YOUR OWN RISK)**
*/ */
LLHTTP_EXPORT
void llhttp_set_lenient_headers(llhttp_t* parser, int enabled); void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
@ -429,8 +483,23 @@ void llhttp_set_lenient_headers(llhttp_t* parser, int enabled);
* *
* **(USE AT YOUR OWN RISK)** * **(USE AT YOUR OWN RISK)**
*/ */
LLHTTP_EXPORT
void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled); 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.
*
* **(USE AT YOUR OWN RISK)**
*/
void llhttp_set_lenient_keep_alive(llhttp_t* parser, int enabled);
#ifdef __cplusplus #ifdef __cplusplus
} /* extern "C" */ } /* extern "C" */
#endif #endif