99 lines
4.4 KiB
C
99 lines
4.4 KiB
C
/* channelpadding_negotiation.h -- generated by by Trunnel v1.4.3.
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* https://gitweb.torproject.org/trunnel.git
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* You probably shouldn't edit this file.
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*/
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#ifndef TRUNNEL_CHANNELPADDING_NEGOTIATION_H
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#define TRUNNEL_CHANNELPADDING_NEGOTIATION_H
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#include <stdint.h>
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#include "trunnel.h"
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#define CHANNELPADDING_COMMAND_STOP 1
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#define CHANNELPADDING_COMMAND_START 2
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#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_CHANNELPADDING_NEGOTIATE)
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struct channelpadding_negotiate_st {
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uint8_t version;
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uint8_t command;
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uint16_t ito_low_ms;
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uint16_t ito_high_ms;
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uint8_t trunnel_error_code_;
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};
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#endif
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typedef struct channelpadding_negotiate_st channelpadding_negotiate_t;
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/** Return a newly allocated channelpadding_negotiate with all
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* elements set to zero.
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*/
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channelpadding_negotiate_t *channelpadding_negotiate_new(void);
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/** Release all storage held by the channelpadding_negotiate in
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* 'victim'. (Do nothing if 'victim' is NULL.)
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*/
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void channelpadding_negotiate_free(channelpadding_negotiate_t *victim);
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/** Try to parse a channelpadding_negotiate from the buffer in
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* 'input', using up to 'len_in' bytes from the input buffer. On
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* success, return the number of bytes consumed and set *output to the
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* newly allocated channelpadding_negotiate_t. On failure, return -2
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* if the input appears truncated, and -1 if the input is otherwise
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* invalid.
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*/
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ssize_t channelpadding_negotiate_parse(channelpadding_negotiate_t **output, const uint8_t *input, const size_t len_in);
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/** Return the number of bytes we expect to need to encode the
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* channelpadding_negotiate in 'obj'. On failure, return a negative
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* value. Note that this value may be an overestimate, and can even be
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* an underestimate for certain unencodeable objects.
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*/
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ssize_t channelpadding_negotiate_encoded_len(const channelpadding_negotiate_t *obj);
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/** Try to encode the channelpadding_negotiate from 'input' into the
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* buffer at 'output', using up to 'avail' bytes of the output buffer.
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* On success, return the number of bytes used. On failure, return -2
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* if the buffer was not long enough, and -1 if the input was invalid.
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*/
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ssize_t channelpadding_negotiate_encode(uint8_t *output, size_t avail, const channelpadding_negotiate_t *input);
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/** Check whether the internal state of the channelpadding_negotiate
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* in 'obj' is consistent. Return NULL if it is, and a short message
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* if it is not.
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*/
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const char *channelpadding_negotiate_check(const channelpadding_negotiate_t *obj);
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/** Clear any errors that were set on the object 'obj' by its setter
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* functions. Return true iff errors were cleared.
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*/
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int channelpadding_negotiate_clear_errors(channelpadding_negotiate_t *obj);
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/** Return the value of the version field of the
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* channelpadding_negotiate_t in 'inp'
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*/
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uint8_t channelpadding_negotiate_get_version(channelpadding_negotiate_t *inp);
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/** Set the value of the version field of the
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* channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success;
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* return -1 and set the error code on 'inp' on failure.
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*/
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int channelpadding_negotiate_set_version(channelpadding_negotiate_t *inp, uint8_t val);
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/** Return the value of the command field of the
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* channelpadding_negotiate_t in 'inp'
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*/
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uint8_t channelpadding_negotiate_get_command(channelpadding_negotiate_t *inp);
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/** Set the value of the command field of the
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* channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success;
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* return -1 and set the error code on 'inp' on failure.
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*/
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int channelpadding_negotiate_set_command(channelpadding_negotiate_t *inp, uint8_t val);
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/** Return the value of the ito_low_ms field of the
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* channelpadding_negotiate_t in 'inp'
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*/
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uint16_t channelpadding_negotiate_get_ito_low_ms(channelpadding_negotiate_t *inp);
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/** Set the value of the ito_low_ms field of the
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* channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success;
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* return -1 and set the error code on 'inp' on failure.
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*/
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int channelpadding_negotiate_set_ito_low_ms(channelpadding_negotiate_t *inp, uint16_t val);
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/** Return the value of the ito_high_ms field of the
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* channelpadding_negotiate_t in 'inp'
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*/
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uint16_t channelpadding_negotiate_get_ito_high_ms(channelpadding_negotiate_t *inp);
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/** Set the value of the ito_high_ms field of the
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* channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success;
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* return -1 and set the error code on 'inp' on failure.
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*/
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int channelpadding_negotiate_set_ito_high_ms(channelpadding_negotiate_t *inp, uint16_t val);
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#endif
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