prop224: Add ESTABLISH_INTRO and INTRO_ESTABLISHED trunnel definition

Signed-off-by: David Goulet <dgoulet@torproject.org>

1 files changed, 198 insertions, 0 deletions

diff --git a/src/trunnel/hs/cell_common.h b/src/trunnel/hs/cell_common.h
new file mode 100644
index 0000000000..3c847f71e5
--- /dev/null
+++ b/src/trunnel/hs/cell_common.h
@@ -0,0 +1,198 @@
+/* cell_common.h -- generated by by Trunnel v1.5.
+ * https://gitweb.torproject.org/trunnel.git
+ * You probably shouldn't edit this file.
+ */
+#ifndef TRUNNEL_CELL_COMMON_H
+#define TRUNNEL_CELL_COMMON_H
+
+#include <stdint.h>
+#include "trunnel.h"
+
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_CELL_EXTENSION_FIELDS)
+struct cell_extension_fields_st {
+  uint8_t field_type;
+  uint8_t field_len;
+  TRUNNEL_DYNARRAY_HEAD(, uint8_t) field;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct cell_extension_fields_st cell_extension_fields_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_CELL_EXTENSION)
+struct cell_extension_st {
+  uint8_t num;
+  TRUNNEL_DYNARRAY_HEAD(, struct cell_extension_fields_st *) fields;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct cell_extension_st cell_extension_t;
+/** Return a newly allocated cell_extension_fields with all elements
+ * set to zero.
+ */
+cell_extension_fields_t *cell_extension_fields_new(void);
+/** Release all storage held by the cell_extension_fields in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void cell_extension_fields_free(cell_extension_fields_t *victim);
+/** Try to parse a cell_extension_fields from the buffer in 'input',
+ * using up to 'len_in' bytes from the input buffer. On success,
+ * return the number of bytes consumed and set *output to the newly
+ * allocated cell_extension_fields_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t cell_extension_fields_parse(cell_extension_fields_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * cell_extension_fields in 'obj'. On failure, return a negative
+ * value. Note that this value may be an overestimate, and can even be
+ * an underestimate for certain unencodeable objects.
+ */
+ssize_t cell_extension_fields_encoded_len(const cell_extension_fields_t *obj);
+/** Try to encode the cell_extension_fields from 'input' into the
+ * buffer at 'output', using up to 'avail' bytes of the output buffer.
+ * On success, return the number of bytes used. On failure, return -2
+ * if the buffer was not long enough, and -1 if the input was invalid.
+ */
+ssize_t cell_extension_fields_encode(uint8_t *output, size_t avail, const cell_extension_fields_t *input);
+/** Check whether the internal state of the cell_extension_fields in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *cell_extension_fields_check(const cell_extension_fields_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int cell_extension_fields_clear_errors(cell_extension_fields_t *obj);
+/** Return the value of the field_type field of the
+ * cell_extension_fields_t in 'inp'
+ */
+uint8_t cell_extension_fields_get_field_type(cell_extension_fields_t *inp);
+/** Set the value of the field_type field of the
+ * cell_extension_fields_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int cell_extension_fields_set_field_type(cell_extension_fields_t *inp, uint8_t val);
+/** Return the value of the field_len field of the
+ * cell_extension_fields_t in 'inp'
+ */
+uint8_t cell_extension_fields_get_field_len(cell_extension_fields_t *inp);
+/** Set the value of the field_len field of the
+ * cell_extension_fields_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int cell_extension_fields_set_field_len(cell_extension_fields_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the field field of
+ * the cell_extension_fields_t in 'inp'.
+ */
+size_t cell_extension_fields_getlen_field(const cell_extension_fields_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * field of the cell_extension_fields_t in 'inp'.
+ */
+uint8_t cell_extension_fields_get_field(cell_extension_fields_t *inp, size_t idx);
+/** As cell_extension_fields_get_field, but take and return a const
+ * pointer
+ */
+uint8_t cell_extension_fields_getconst_field(const cell_extension_fields_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * field of the cell_extension_fields_t in 'inp', so that it will hold
+ * the value 'elt'.
+ */
+int cell_extension_fields_set_field(cell_extension_fields_t *inp, size_t idx, uint8_t elt);
+/** Append a new element 'elt' to the dynamic array field field of the
+ * cell_extension_fields_t in 'inp'.
+ */
+int cell_extension_fields_add_field(cell_extension_fields_t *inp, uint8_t elt);
+/** Return a pointer to the variable-length array field field of
+ * 'inp'.
+ */
+uint8_t * cell_extension_fields_getarray_field(cell_extension_fields_t *inp);
+/** As cell_extension_fields_get_field, but take and return a const
+ * pointer
+ */
+const uint8_t  * cell_extension_fields_getconstarray_field(const cell_extension_fields_t *inp);
+/** Change the length of the variable-length array field field of
+ * 'inp' to 'newlen'.Fill extra elements with 0. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int cell_extension_fields_setlen_field(cell_extension_fields_t *inp, size_t newlen);
+/** Return a newly allocated cell_extension with all elements set to
+ * zero.
+ */
+cell_extension_t *cell_extension_new(void);
+/** Release all storage held by the cell_extension in 'victim'. (Do
+ * nothing if 'victim' is NULL.)
+ */
+void cell_extension_free(cell_extension_t *victim);
+/** Try to parse a cell_extension from the buffer in 'input', using up
+ * to 'len_in' bytes from the input buffer. On success, return the
+ * number of bytes consumed and set *output to the newly allocated
+ * cell_extension_t. On failure, return -2 if the input appears
+ * truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t cell_extension_parse(cell_extension_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * cell_extension in 'obj'. On failure, return a negative value. Note
+ * that this value may be an overestimate, and can even be an
+ * underestimate for certain unencodeable objects.
+ */
+ssize_t cell_extension_encoded_len(const cell_extension_t *obj);
+/** Try to encode the cell_extension from 'input' into the buffer at
+ * 'output', using up to 'avail' bytes of the output buffer. On
+ * success, return the number of bytes used. On failure, return -2 if
+ * the buffer was not long enough, and -1 if the input was invalid.
+ */
+ssize_t cell_extension_encode(uint8_t *output, size_t avail, const cell_extension_t *input);
+/** Check whether the internal state of the cell_extension in 'obj' is
+ * consistent. Return NULL if it is, and a short message if it is not.
+ */
+const char *cell_extension_check(const cell_extension_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int cell_extension_clear_errors(cell_extension_t *obj);
+/** Return the value of the num field of the cell_extension_t in 'inp'
+ */
+uint8_t cell_extension_get_num(cell_extension_t *inp);
+/** Set the value of the num field of the cell_extension_t in 'inp' to
+ * 'val'. Return 0 on success; return -1 and set the error code on
+ * 'inp' on failure.
+ */
+int cell_extension_set_num(cell_extension_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the fields field of
+ * the cell_extension_t in 'inp'.
+ */
+size_t cell_extension_getlen_fields(const cell_extension_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * fields of the cell_extension_t in 'inp'.
+ */
+struct cell_extension_fields_st * cell_extension_get_fields(cell_extension_t *inp, size_t idx);
+/** As cell_extension_get_fields, but take and return a const pointer
+ */
+ const struct cell_extension_fields_st * cell_extension_getconst_fields(const cell_extension_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * fields of the cell_extension_t in 'inp', so that it will hold the
+ * value 'elt'. Free the previous value, if any.
+ */
+int cell_extension_set_fields(cell_extension_t *inp, size_t idx, struct cell_extension_fields_st * elt);
+/** As cell_extension_set_fields, but does not free the previous
+ * value.
+ */
+int cell_extension_set0_fields(cell_extension_t *inp, size_t idx, struct cell_extension_fields_st * elt);
+/** Append a new element 'elt' to the dynamic array field fields of
+ * the cell_extension_t in 'inp'.
+ */
+int cell_extension_add_fields(cell_extension_t *inp, struct cell_extension_fields_st * elt);
+/** Return a pointer to the variable-length array field fields of
+ * 'inp'.
+ */
+struct cell_extension_fields_st * * cell_extension_getarray_fields(cell_extension_t *inp);
+/** As cell_extension_get_fields, but take and return a const pointer
+ */
+const struct cell_extension_fields_st *  const  * cell_extension_getconstarray_fields(const cell_extension_t *inp);
+/** Change the length of the variable-length array field fields of
+ * 'inp' to 'newlen'.Fill extra elements with NULL; free removed
+ * elements. Return 0 on success; return -1 and set the error code on
+ * 'inp' on failure.
+ */
+int cell_extension_setlen_fields(cell_extension_t *inp, size_t newlen);
+
+
+#endif