/* netinfo.h -- generated by Trunnel v1.5.3. * https://gitweb.torproject.org/trunnel.git * You probably shouldn't edit this file. */ #ifndef TRUNNEL_NETINFO_H #define TRUNNEL_NETINFO_H #include #include "trunnel.h" #define NETINFO_ADDR_TYPE_IPV4 4 #define NETINFO_ADDR_TYPE_IPV6 6 #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_NETINFO_ADDR) struct netinfo_addr_st { uint8_t addr_type; uint8_t len; uint32_t addr_ipv4; uint8_t addr_ipv6[16]; uint8_t trunnel_error_code_; }; #endif typedef struct netinfo_addr_st netinfo_addr_t; #if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_NETINFO_CELL) struct netinfo_cell_st { uint32_t timestamp; struct netinfo_addr_st *other_addr; uint8_t n_my_addrs; TRUNNEL_DYNARRAY_HEAD(, struct netinfo_addr_st *) my_addrs; uint8_t trunnel_error_code_; }; #endif typedef struct netinfo_cell_st netinfo_cell_t; /** Return a newly allocated netinfo_addr with all elements set to * zero. */ netinfo_addr_t *netinfo_addr_new(void); /** Release all storage held by the netinfo_addr in 'victim'. (Do * nothing if 'victim' is NULL.) */ void netinfo_addr_free(netinfo_addr_t *victim); /** Try to parse a netinfo_addr 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 * netinfo_addr_t. On failure, return -2 if the input appears * truncated, and -1 if the input is otherwise invalid. */ ssize_t netinfo_addr_parse(netinfo_addr_t **output, const uint8_t *input, const size_t len_in); /** Return the number of bytes we expect to need to encode the * netinfo_addr 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 netinfo_addr_encoded_len(const netinfo_addr_t *obj); /** Try to encode the netinfo_addr 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 netinfo_addr_encode(uint8_t *output, size_t avail, const netinfo_addr_t *input); /** Check whether the internal state of the netinfo_addr in 'obj' is * consistent. Return NULL if it is, and a short message if it is not. */ const char *netinfo_addr_check(const netinfo_addr_t *obj); /** Clear any errors that were set on the object 'obj' by its setter * functions. Return true iff errors were cleared. */ int netinfo_addr_clear_errors(netinfo_addr_t *obj); /** Return the value of the addr_type field of the netinfo_addr_t in * 'inp' */ uint8_t netinfo_addr_get_addr_type(const netinfo_addr_t *inp); /** Set the value of the addr_type field of the netinfo_addr_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int netinfo_addr_set_addr_type(netinfo_addr_t *inp, uint8_t val); /** Return the value of the len field of the netinfo_addr_t in 'inp' */ uint8_t netinfo_addr_get_len(const netinfo_addr_t *inp); /** Set the value of the len field of the netinfo_addr_t in 'inp' to * 'val'. Return 0 on success; return -1 and set the error code on * 'inp' on failure. */ int netinfo_addr_set_len(netinfo_addr_t *inp, uint8_t val); /** Return the value of the addr_ipv4 field of the netinfo_addr_t in * 'inp' */ uint32_t netinfo_addr_get_addr_ipv4(const netinfo_addr_t *inp); /** Set the value of the addr_ipv4 field of the netinfo_addr_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int netinfo_addr_set_addr_ipv4(netinfo_addr_t *inp, uint32_t val); /** Return the (constant) length of the array holding the addr_ipv6 * field of the netinfo_addr_t in 'inp'. */ size_t netinfo_addr_getlen_addr_ipv6(const netinfo_addr_t *inp); /** Return the element at position 'idx' of the fixed array field * addr_ipv6 of the netinfo_addr_t in 'inp'. */ uint8_t netinfo_addr_get_addr_ipv6(netinfo_addr_t *inp, size_t idx); /** As netinfo_addr_get_addr_ipv6, but take and return a const pointer */ uint8_t netinfo_addr_getconst_addr_ipv6(const netinfo_addr_t *inp, size_t idx); /** Change the element at position 'idx' of the fixed array field * addr_ipv6 of the netinfo_addr_t in 'inp', so that it will hold the * value 'elt'. */ int netinfo_addr_set_addr_ipv6(netinfo_addr_t *inp, size_t idx, uint8_t elt); /** Return a pointer to the 16-element array field addr_ipv6 of 'inp'. */ uint8_t * netinfo_addr_getarray_addr_ipv6(netinfo_addr_t *inp); /** As netinfo_addr_get_addr_ipv6, but take and return a const pointer */ const uint8_t * netinfo_addr_getconstarray_addr_ipv6(const netinfo_addr_t *inp); /** Return a newly allocated netinfo_cell with all elements set to * zero. */ netinfo_cell_t *netinfo_cell_new(void); /** Release all storage held by the netinfo_cell in 'victim'. (Do * nothing if 'victim' is NULL.) */ void netinfo_cell_free(netinfo_cell_t *victim); /** Try to parse a netinfo_cell 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 * netinfo_cell_t. On failure, return -2 if the input appears * truncated, and -1 if the input is otherwise invalid. */ ssize_t netinfo_cell_parse(netinfo_cell_t **output, const uint8_t *input, const size_t len_in); /** Return the number of bytes we expect to need to encode the * netinfo_cell 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 netinfo_cell_encoded_len(const netinfo_cell_t *obj); /** Try to encode the netinfo_cell 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 netinfo_cell_encode(uint8_t *output, size_t avail, const netinfo_cell_t *input); /** Check whether the internal state of the netinfo_cell in 'obj' is * consistent. Return NULL if it is, and a short message if it is not. */ const char *netinfo_cell_check(const netinfo_cell_t *obj); /** Clear any errors that were set on the object 'obj' by its setter * functions. Return true iff errors were cleared. */ int netinfo_cell_clear_errors(netinfo_cell_t *obj); /** Return the value of the timestamp field of the netinfo_cell_t in * 'inp' */ uint32_t netinfo_cell_get_timestamp(const netinfo_cell_t *inp); /** Set the value of the timestamp field of the netinfo_cell_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int netinfo_cell_set_timestamp(netinfo_cell_t *inp, uint32_t val); /** Return the value of the other_addr field of the netinfo_cell_t in * 'inp' */ struct netinfo_addr_st * netinfo_cell_get_other_addr(netinfo_cell_t *inp); /** As netinfo_cell_get_other_addr, but take and return a const * pointer */ const struct netinfo_addr_st * netinfo_cell_getconst_other_addr(const netinfo_cell_t *inp); /** Set the value of the other_addr field of the netinfo_cell_t in * 'inp' to 'val'. Free the old value if any. Steals the referenceto * 'val'.Return 0 on success; return -1 and set the error code on * 'inp' on failure. */ int netinfo_cell_set_other_addr(netinfo_cell_t *inp, struct netinfo_addr_st *val); /** As netinfo_cell_set_other_addr, but does not free the previous * value. */ int netinfo_cell_set0_other_addr(netinfo_cell_t *inp, struct netinfo_addr_st *val); /** Return the value of the n_my_addrs field of the netinfo_cell_t in * 'inp' */ uint8_t netinfo_cell_get_n_my_addrs(const netinfo_cell_t *inp); /** Set the value of the n_my_addrs field of the netinfo_cell_t in * 'inp' to 'val'. Return 0 on success; return -1 and set the error * code on 'inp' on failure. */ int netinfo_cell_set_n_my_addrs(netinfo_cell_t *inp, uint8_t val); /** Return the length of the dynamic array holding the my_addrs field * of the netinfo_cell_t in 'inp'. */ size_t netinfo_cell_getlen_my_addrs(const netinfo_cell_t *inp); /** Return the element at position 'idx' of the dynamic array field * my_addrs of the netinfo_cell_t in 'inp'. */ struct netinfo_addr_st * netinfo_cell_get_my_addrs(netinfo_cell_t *inp, size_t idx); /** As netinfo_cell_get_my_addrs, but take and return a const pointer */ const struct netinfo_addr_st * netinfo_cell_getconst_my_addrs(const netinfo_cell_t *inp, size_t idx); /** Change the element at position 'idx' of the dynamic array field * my_addrs of the netinfo_cell_t in 'inp', so that it will hold the * value 'elt'. Free the previous value, if any. */ int netinfo_cell_set_my_addrs(netinfo_cell_t *inp, size_t idx, struct netinfo_addr_st * elt); /** As netinfo_cell_set_my_addrs, but does not free the previous * value. */ int netinfo_cell_set0_my_addrs(netinfo_cell_t *inp, size_t idx, struct netinfo_addr_st * elt); /** Append a new element 'elt' to the dynamic array field my_addrs of * the netinfo_cell_t in 'inp'. */ int netinfo_cell_add_my_addrs(netinfo_cell_t *inp, struct netinfo_addr_st * elt); /** Return a pointer to the variable-length array field my_addrs of * 'inp'. */ struct netinfo_addr_st * * netinfo_cell_getarray_my_addrs(netinfo_cell_t *inp); /** As netinfo_cell_get_my_addrs, but take and return a const pointer */ const struct netinfo_addr_st * const * netinfo_cell_getconstarray_my_addrs(const netinfo_cell_t *inp); /** Change the length of the variable-length array field my_addrs 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 netinfo_cell_setlen_my_addrs(netinfo_cell_t *inp, size_t newlen); #endif