Upload Kmake

deps/llhttp/src/api.c

@@ -0,0 +1,509 @@
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "llhttp.h"
+
+#define CALLBACK_MAYBE(PARSER, NAME)                                          \
+  do {                                                                        \
+    const llhttp_settings_t* settings;                                        \
+    settings = (const llhttp_settings_t*) (PARSER)->settings;                 \
+    if (settings == NULL || settings->NAME == NULL) {                         \
+      err = 0;                                                                \
+      break;                                                                  \
+    }                                                                         \
+    err = settings->NAME((PARSER));                                           \
+  } while (0)
+
+#define SPAN_CALLBACK_MAYBE(PARSER, NAME, START, LEN)                         \
+  do {                                                                        \
+    const llhttp_settings_t* settings;                                        \
+    settings = (const llhttp_settings_t*) (PARSER)->settings;                 \
+    if (settings == NULL || settings->NAME == NULL) {                         \
+      err = 0;                                                                \
+      break;                                                                  \
+    }                                                                         \
+    err = settings->NAME((PARSER), (START), (LEN));                           \
+    if (err == -1) {                                                          \
+      err = HPE_USER;                                                         \
+      llhttp_set_error_reason((PARSER), "Span callback error in " #NAME);     \
+    }                                                                         \
+  } while (0)
+
+void llhttp_init(llhttp_t* parser, llhttp_type_t type,
+                 const llhttp_settings_t* settings) {
+  llhttp__internal_init(parser);
+
+  parser->type = type;
+  parser->settings = (void*) settings;
+}
+
+
+#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, int status_code,
+                                    uint8_t upgrade, int should_keep_alive);
+extern int wasm_on_body(llhttp_t* p, const char* at, size_t length);
+extern int wasm_on_message_complete(llhttp_t * p);
+
+static int wasm_on_headers_complete_wrap(llhttp_t* p) {
+  return wasm_on_headers_complete(p, p->status_code, p->upgrade,
+                                  llhttp_should_keep_alive(p));
+}
+
+const llhttp_settings_t wasm_settings = {
+  .on_message_begin = wasm_on_message_begin,
+  .on_url = wasm_on_url,
+  .on_status = wasm_on_status,
+  .on_header_field = wasm_on_header_field,
+  .on_header_value = wasm_on_header_value,
+  .on_headers_complete = wasm_on_headers_complete_wrap,
+  .on_body = wasm_on_body,
+  .on_message_complete = wasm_on_message_complete,
+};
+
+
+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);
+}
+
+#endif  // defined(__wasm__)
+
+/* 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;
+}
+
+
+void llhttp_reset(llhttp_t* parser) {
+  llhttp_type_t type = parser->type;
+  const llhttp_settings_t* settings = parser->settings;
+  void* data = parser->data;
+  uint16_t lenient_flags = parser->lenient_flags;
+
+  llhttp__internal_init(parser);
+
+  parser->type = type;
+  parser->settings = (void*) settings;
+  parser->data = data;
+  parser->lenient_flags = lenient_flags;
+}
+
+
+llhttp_errno_t llhttp_execute(llhttp_t* parser, const char* data, size_t len) {
+  return llhttp__internal_execute(parser, data, data + len);
+}
+
+
+void llhttp_settings_init(llhttp_settings_t* settings) {
+  memset(settings, 0, sizeof(*settings));
+}
+
+
+llhttp_errno_t llhttp_finish(llhttp_t* parser) {
+  int err;
+
+  /* We're in an error state. Don't bother doing anything. */
+  if (parser->error != 0) {
+    return 0;
+  }
+
+  switch (parser->finish) {
+    case HTTP_FINISH_SAFE_WITH_CB:
+      CALLBACK_MAYBE(parser, on_message_complete);
+      if (err != HPE_OK) return err;
+
+    /* FALLTHROUGH */
+    case HTTP_FINISH_SAFE:
+      return HPE_OK;
+    case HTTP_FINISH_UNSAFE:
+      parser->reason = "Invalid EOF state";
+      return HPE_INVALID_EOF_STATE;
+    default:
+      abort();
+  }
+}
+
+
+void llhttp_pause(llhttp_t* parser) {
+  if (parser->error != HPE_OK) {
+    return;
+  }
+
+  parser->error = HPE_PAUSED;
+  parser->reason = "Paused";
+}
+
+
+void llhttp_resume(llhttp_t* parser) {
+  if (parser->error != HPE_PAUSED) {
+    return;
+  }
+
+  parser->error = 0;
+}
+
+
+void llhttp_resume_after_upgrade(llhttp_t* parser) {
+  if (parser->error != HPE_PAUSED_UPGRADE) {
+    return;
+  }
+
+  parser->error = 0;
+}
+
+
+llhttp_errno_t llhttp_get_errno(const llhttp_t* parser) {
+  return parser->error;
+}
+
+
+const char* llhttp_get_error_reason(const llhttp_t* parser) {
+  return parser->reason;
+}
+
+
+void llhttp_set_error_reason(llhttp_t* parser, const char* reason) {
+  parser->reason = reason;
+}
+
+
+const char* llhttp_get_error_pos(const llhttp_t* parser) {
+  return parser->error_pos;
+}
+
+
+const char* llhttp_errno_name(llhttp_errno_t err) {
+#define HTTP_ERRNO_GEN(CODE, NAME, _) case HPE_##NAME: return "HPE_" #NAME;
+  switch (err) {
+    HTTP_ERRNO_MAP(HTTP_ERRNO_GEN)
+    default: abort();
+  }
+#undef HTTP_ERRNO_GEN
+}
+
+
+const char* llhttp_method_name(llhttp_method_t method) {
+#define HTTP_METHOD_GEN(NUM, NAME, STRING) case HTTP_##NAME: return #STRING;
+  switch (method) {
+    HTTP_ALL_METHOD_MAP(HTTP_METHOD_GEN)
+    default: abort();
+  }
+#undef HTTP_METHOD_GEN
+}
+
+const char* llhttp_status_name(llhttp_status_t status) {
+#define HTTP_STATUS_GEN(NUM, NAME, STRING) case HTTP_STATUS_##NAME: return #STRING;
+  switch (status) {
+    HTTP_STATUS_MAP(HTTP_STATUS_GEN)
+    default: abort();
+  }
+#undef HTTP_STATUS_GEN
+}
+
+
+void llhttp_set_lenient_headers(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_HEADERS;
+  } else {
+    parser->lenient_flags &= ~LENIENT_HEADERS;
+  }
+}
+
+
+void llhttp_set_lenient_chunked_length(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_CHUNKED_LENGTH;
+  } else {
+    parser->lenient_flags &= ~LENIENT_CHUNKED_LENGTH;
+  }
+}
+
+
+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;
+  }
+}
+
+void llhttp_set_lenient_transfer_encoding(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_TRANSFER_ENCODING;
+  } else {
+    parser->lenient_flags &= ~LENIENT_TRANSFER_ENCODING;
+  }
+}
+
+void llhttp_set_lenient_version(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_VERSION;
+  } else {
+    parser->lenient_flags &= ~LENIENT_VERSION;
+  }
+}
+
+void llhttp_set_lenient_data_after_close(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_DATA_AFTER_CLOSE;
+  } else {
+    parser->lenient_flags &= ~LENIENT_DATA_AFTER_CLOSE;
+  }
+}
+
+void llhttp_set_lenient_optional_lf_after_cr(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_OPTIONAL_LF_AFTER_CR;
+  } else {
+    parser->lenient_flags &= ~LENIENT_OPTIONAL_LF_AFTER_CR;
+  }
+}
+
+void llhttp_set_lenient_optional_crlf_after_chunk(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_OPTIONAL_CRLF_AFTER_CHUNK;
+  } else {
+    parser->lenient_flags &= ~LENIENT_OPTIONAL_CRLF_AFTER_CHUNK;
+  }
+}
+
+void llhttp_set_lenient_optional_cr_before_lf(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_OPTIONAL_CR_BEFORE_LF;
+  } else {
+    parser->lenient_flags &= ~LENIENT_OPTIONAL_CR_BEFORE_LF;
+  }
+}
+
+void llhttp_set_lenient_spaces_after_chunk_size(llhttp_t* parser, int enabled) {
+  if (enabled) {
+    parser->lenient_flags |= LENIENT_SPACES_AFTER_CHUNK_SIZE;
+  } else {
+    parser->lenient_flags &= ~LENIENT_SPACES_AFTER_CHUNK_SIZE;
+  }
+}
+
+/* Callbacks */
+
+
+int llhttp__on_message_begin(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_message_begin);
+  return err;
+}
+
+
+int llhttp__on_protocol(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_protocol, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_protocol_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_protocol_complete);
+  return err;
+}
+
+
+int llhttp__on_url(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_url, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_url_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_url_complete);
+  return err;
+}
+
+
+int llhttp__on_status(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_status, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_status_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_status_complete);
+  return err;
+}
+
+
+int llhttp__on_method(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_method, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_method_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_method_complete);
+  return err;
+}
+
+
+int llhttp__on_version(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_version, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_version_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_version_complete);
+  return err;
+}
+
+
+int llhttp__on_header_field(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_header_field, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_header_field_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_header_field_complete);
+  return err;
+}
+
+
+int llhttp__on_header_value(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_header_value, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_header_value_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_header_value_complete);
+  return err;
+}
+
+
+int llhttp__on_headers_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_headers_complete);
+  return err;
+}
+
+
+int llhttp__on_message_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_message_complete);
+  return err;
+}
+
+
+int llhttp__on_body(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_body, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_chunk_header(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_chunk_header);
+  return err;
+}
+
+
+int llhttp__on_chunk_extension_name(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_chunk_extension_name, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_chunk_extension_name_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_chunk_extension_name_complete);
+  return err;
+}
+
+
+int llhttp__on_chunk_extension_value(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  SPAN_CALLBACK_MAYBE(s, on_chunk_extension_value, p, endp - p);
+  return err;
+}
+
+
+int llhttp__on_chunk_extension_value_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_chunk_extension_value_complete);
+  return err;
+}
+
+
+int llhttp__on_chunk_complete(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_chunk_complete);
+  return err;
+}
+
+
+int llhttp__on_reset(llhttp_t* s, const char* p, const char* endp) {
+  int err;
+  CALLBACK_MAYBE(s, on_reset);
+  return err;
+}
+
+
+/* Private */
+
+
+void llhttp__debug(llhttp_t* s, const char* p, const char* endp,
+                   const char* msg) {
+  if (p == endp) {
+    fprintf(stderr, "p=%p type=%d flags=%02x next=null debug=%s\n", s, s->type,
+            s->flags, msg);
+  } else {
+    fprintf(stderr, "p=%p type=%d flags=%02x next=%02x   debug=%s\n", s,
+            s->type, s->flags, *p, msg);
+  }
+}

deps/llhttp/src/http.c

@@ -0,0 +1,170 @@
+#include <stdio.h>
+#ifndef LLHTTP__TEST
+# include "llhttp.h"
+#else
+# define llhttp_t llparse_t
+#endif  /* */
+
+int llhttp_message_needs_eof(const llhttp_t* parser);
+int llhttp_should_keep_alive(const llhttp_t* parser);
+
+int llhttp__before_headers_complete(llhttp_t* parser, const char* p,
+                                    const char* endp) {
+  /* Set this here so that on_headers_complete() callbacks can see it */
+  if ((parser->flags & F_UPGRADE) &&
+      (parser->flags & F_CONNECTION_UPGRADE)) {
+    /* For responses, "Upgrade: foo" and "Connection: upgrade" are
+     * mandatory only when it is a 101 Switching Protocols response,
+     * otherwise it is purely informational, to announce support.
+     */
+    parser->upgrade =
+        (parser->type == HTTP_REQUEST || parser->status_code == 101);
+  } else {
+    parser->upgrade = (parser->method == HTTP_CONNECT);
+  }
+  return 0;
+}
+
+
+/* Return values:
+ * 0 - No body, `restart`, message_complete
+ * 1 - CONNECT request, `restart`, message_complete, and pause
+ * 2 - chunk_size_start
+ * 3 - body_identity
+ * 4 - body_identity_eof
+ * 5 - invalid transfer-encoding for request
+ */
+int llhttp__after_headers_complete(llhttp_t* parser, const char* p,
+                                   const char* endp) {
+  int hasBody;
+
+  hasBody = parser->flags & F_CHUNKED || parser->content_length > 0;
+  if (
+      (parser->upgrade && (parser->method == HTTP_CONNECT ||
+                          (parser->flags & F_SKIPBODY) || !hasBody)) ||
+      /* See RFC 2616 section 4.4 - 1xx e.g. Continue */
+      (parser->type == HTTP_RESPONSE && parser->status_code == 101)
+  ) {
+    /* Exit, the rest of the message is in a different protocol. */
+    return 1;
+  }
+
+  if (parser->type == HTTP_RESPONSE && parser->status_code == 100) {
+    /* No body, restart as the message is complete */
+    return 0;
+  }
+
+  /* See RFC 2616 section 4.4 */
+  if (
+    parser->flags & F_SKIPBODY ||         /* response to a HEAD request */
+    (
+      parser->type == HTTP_RESPONSE && (
+        parser->status_code == 102 ||     /* Processing */
+        parser->status_code == 103 ||     /* Early Hints */
+        parser->status_code == 204 ||     /* No Content */
+        parser->status_code == 304        /* Not Modified */
+      )
+    )
+  ) {
+    return 0;
+  } else if (parser->flags & F_CHUNKED) {
+    /* chunked encoding - ignore Content-Length header, prepare for a chunk */
+    return 2;
+  } else if (parser->flags & F_TRANSFER_ENCODING) {
+    if (parser->type == HTTP_REQUEST &&
+        (parser->lenient_flags & LENIENT_CHUNKED_LENGTH) == 0 &&
+        (parser->lenient_flags & LENIENT_TRANSFER_ENCODING) == 0) {
+      /* RFC 7230 3.3.3 */
+
+      /* If a Transfer-Encoding header field
+       * is present in a request and the chunked transfer coding is not
+       * the final encoding, the message body length cannot be determined
+       * reliably; the server MUST respond with the 400 (Bad Request)
+       * status code and then close the connection.
+       */
+      return 5;
+    } else {
+      /* RFC 7230 3.3.3 */
+
+      /* If a Transfer-Encoding header field is present in a response and
+       * the chunked transfer coding is not the final encoding, the
+       * message body length is determined by reading the connection until
+       * it is closed by the server.
+       */
+      return 4;
+    }
+  } else {
+    if (!(parser->flags & F_CONTENT_LENGTH)) {
+      if (!llhttp_message_needs_eof(parser)) {
+        /* Assume content-length 0 - read the next */
+        return 0;
+      } else {
+        /* Read body until EOF */
+        return 4;
+      }
+    } else if (parser->content_length == 0) {
+      /* Content-Length header given but zero: Content-Length: 0\r\n */
+      return 0;
+    } else {
+      /* Content-Length header given and non-zero */
+      return 3;
+    }
+  }
+}
+
+
+int llhttp__after_message_complete(llhttp_t* parser, const char* p,
+                                   const char* endp) {
+  int should_keep_alive;
+
+  should_keep_alive = llhttp_should_keep_alive(parser);
+  parser->finish = HTTP_FINISH_SAFE;
+  parser->flags = 0;
+
+  /* NOTE: this is ignored in loose parsing mode */
+  return should_keep_alive;
+}
+
+
+int llhttp_message_needs_eof(const llhttp_t* parser) {
+  if (parser->type == HTTP_REQUEST) {
+    return 0;
+  }
+
+  /* See RFC 2616 section 4.4 */
+  if (parser->status_code / 100 == 1 || /* 1xx e.g. Continue */
+      parser->status_code == 204 ||     /* No Content */
+      parser->status_code == 304 ||     /* Not Modified */
+      (parser->flags & F_SKIPBODY)) {     /* response to a HEAD request */
+    return 0;
+  }
+
+  /* RFC 7230 3.3.3, see `llhttp__after_headers_complete` */
+  if ((parser->flags & F_TRANSFER_ENCODING) &&
+      (parser->flags & F_CHUNKED) == 0) {
+    return 1;
+  }
+
+  if (parser->flags & (F_CHUNKED | F_CONTENT_LENGTH)) {
+    return 0;
+  }
+
+  return 1;
+}
+
+
+int llhttp_should_keep_alive(const llhttp_t* parser) {
+  if (parser->http_major > 0 && parser->http_minor > 0) {
+    /* HTTP/1.1 */
+    if (parser->flags & F_CONNECTION_CLOSE) {
+      return 0;
+    }
+  } else {
+    /* HTTP/1.0 or earlier */
+    if (!(parser->flags & F_CONNECTION_KEEP_ALIVE)) {
+      return 0;
+    }
+  }
+
+  return !llhttp_message_needs_eof(parser);
+}