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Diffstat (limited to 'src/trunnel/channelpadding_negotiation.h')
| -rw-r--r-- | src/trunnel/channelpadding_negotiation.h | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/src/trunnel/channelpadding_negotiation.h b/src/trunnel/channelpadding_negotiation.h new file mode 100644 index 0000000000..fcfc232fea --- /dev/null +++ b/src/trunnel/channelpadding_negotiation.h @@ -0,0 +1,98 @@ +/* channelpadding_negotiation.h -- generated by Trunnel v1.5.2. + * https://gitweb.torproject.org/trunnel.git + * You probably shouldn't edit this file. + */ +#ifndef TRUNNEL_CHANNELPADDING_NEGOTIATION_H +#define TRUNNEL_CHANNELPADDING_NEGOTIATION_H + +#include <stdint.h> +#include "trunnel.h" + +#define CHANNELPADDING_COMMAND_STOP 1 +#define CHANNELPADDING_COMMAND_START 2 +#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_CHANNELPADDING_NEGOTIATE) +struct channelpadding_negotiate_st { + uint8_t version; + uint8_t command; + uint16_t ito_low_ms; + uint16_t ito_high_ms; + uint8_t trunnel_error_code_; +}; +#endif +typedef struct channelpadding_negotiate_st channelpadding_negotiate_t; +/** Return a newly allocated channelpadding_negotiate with all + * elements set to zero. + */ +channelpadding_negotiate_t *channelpadding_negotiate_new(void); +/** Release all storage held by the channelpadding_negotiate in + * 'victim'. (Do nothing if 'victim' is NULL.) + */ +void channelpadding_negotiate_free(channelpadding_negotiate_t *victim); +/** Try to parse a channelpadding_negotiate 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 channelpadding_negotiate_t. On failure, return -2 + * if the input appears truncated, and -1 if the input is otherwise + * invalid. + */ +ssize_t channelpadding_negotiate_parse(channelpadding_negotiate_t **output, const uint8_t *input, const size_t len_in); +/** Return the number of bytes we expect to need to encode the + * channelpadding_negotiate 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 channelpadding_negotiate_encoded_len(const channelpadding_negotiate_t *obj); +/** Try to encode the channelpadding_negotiate 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 channelpadding_negotiate_encode(uint8_t *output, size_t avail, const channelpadding_negotiate_t *input); +/** Check whether the internal state of the channelpadding_negotiate + * in 'obj' is consistent. Return NULL if it is, and a short message + * if it is not. + */ +const char *channelpadding_negotiate_check(const channelpadding_negotiate_t *obj); +/** Clear any errors that were set on the object 'obj' by its setter + * functions. Return true iff errors were cleared. + */ +int channelpadding_negotiate_clear_errors(channelpadding_negotiate_t *obj); +/** Return the value of the version field of the + * channelpadding_negotiate_t in 'inp' + */ +uint8_t channelpadding_negotiate_get_version(const channelpadding_negotiate_t *inp); +/** Set the value of the version field of the + * channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int channelpadding_negotiate_set_version(channelpadding_negotiate_t *inp, uint8_t val); +/** Return the value of the command field of the + * channelpadding_negotiate_t in 'inp' + */ +uint8_t channelpadding_negotiate_get_command(const channelpadding_negotiate_t *inp); +/** Set the value of the command field of the + * channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int channelpadding_negotiate_set_command(channelpadding_negotiate_t *inp, uint8_t val); +/** Return the value of the ito_low_ms field of the + * channelpadding_negotiate_t in 'inp' + */ +uint16_t channelpadding_negotiate_get_ito_low_ms(const channelpadding_negotiate_t *inp); +/** Set the value of the ito_low_ms field of the + * channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int channelpadding_negotiate_set_ito_low_ms(channelpadding_negotiate_t *inp, uint16_t val); +/** Return the value of the ito_high_ms field of the + * channelpadding_negotiate_t in 'inp' + */ +uint16_t channelpadding_negotiate_get_ito_high_ms(const channelpadding_negotiate_t *inp); +/** Set the value of the ito_high_ms field of the + * channelpadding_negotiate_t in 'inp' to 'val'. Return 0 on success; + * return -1 and set the error code on 'inp' on failure. + */ +int channelpadding_negotiate_set_ito_high_ms(channelpadding_negotiate_t *inp, uint16_t val); + + +#endif |