Generate trunnel impls and include into build

1 files changed, 1370 insertions, 0 deletions

diff --git a/src/trunnel/socks5.h b/src/trunnel/socks5.h
new file mode 100644
index 0000000000..fb3c03160a
--- /dev/null
+++ b/src/trunnel/socks5.h
@@ -0,0 +1,1370 @@
+/* socks5.h -- generated by Trunnel v1.5.2.
+ * https://gitweb.torproject.org/trunnel.git
+ * You probably shouldn't edit this file.
+ */
+#ifndef TRUNNEL_SOCKS5_H
+#define TRUNNEL_SOCKS5_H
+
+#include <stdint.h>
+#include "trunnel.h"
+
+#define CMD_CONNECT 1
+#define CMD_BIND 2
+#define CMD_UDP_ASSOCIATE 3
+#define CMD_RESOLVE_PTR 241
+#define ATYPE_IPV4 1
+#define ATYPE_IPV6 4
+#define ATYPE_DOMAINNAME 3
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_DOMAINNAME)
+struct domainname_st {
+  uint8_t len;
+  trunnel_string_t name;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct domainname_st domainname_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS4_CLIENT_REQUEST)
+struct socks4_client_request_st {
+  uint8_t version;
+  uint8_t command;
+  uint16_t port;
+  uint32_t addr;
+  char *username;
+  char *socks4a_addr_hostname;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks4_client_request_st socks4_client_request_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS4_SERVER_REPLY)
+struct socks4_server_reply_st {
+  uint8_t version;
+  uint8_t status;
+  uint16_t port;
+  uint32_t addr;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks4_server_reply_st socks4_server_reply_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_USERPASS_AUTH)
+struct socks5_client_userpass_auth_st {
+  uint8_t version;
+  uint8_t username_len;
+  trunnel_string_t username;
+  uint8_t passwd_len;
+  trunnel_string_t passwd;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_client_userpass_auth_st socks5_client_userpass_auth_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_VERSION)
+struct socks5_client_version_st {
+  uint8_t version;
+  uint8_t n_methods;
+  TRUNNEL_DYNARRAY_HEAD(, uint8_t) methods;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_client_version_st socks5_client_version_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_METHOD)
+struct socks5_server_method_st {
+  uint8_t version;
+  uint8_t method;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_server_method_st socks5_server_method_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_USERPATH_AUTH)
+struct socks5_server_userpath_auth_st {
+  uint8_t version;
+  uint8_t status;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_server_userpath_auth_st socks5_server_userpath_auth_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_SOCKSAUTH_KEYVAL)
+struct tor_socksauth_keyval_st {
+  uint16_t keylen;
+  trunnel_string_t key;
+  uint16_t vallen;
+  trunnel_string_t val;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct tor_socksauth_keyval_st tor_socksauth_keyval_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_CLIENT_REQUEST)
+struct socks5_client_request_st {
+  uint8_t version;
+  uint8_t command;
+  uint8_t reserved;
+  uint8_t atype;
+  uint32_t dest_addr_ipv4;
+  uint8_t dest_addr_ipv6[16];
+  struct domainname_st *dest_addr_domainname;
+  uint16_t dest_port;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_client_request_st socks5_client_request_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SOCKS5_SERVER_REPLY)
+struct socks5_server_reply_st {
+  uint8_t version;
+  uint8_t reply;
+  uint8_t reserved;
+  uint8_t atype;
+  uint32_t bind_addr_ipv4;
+  uint8_t bind_addr_ipv6[16];
+  struct domainname_st *bind_addr_domainname;
+  uint16_t bind_port;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct socks5_server_reply_st socks5_server_reply_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_EXTENDED_SOCKS_AUTH_REQUEST)
+struct tor_extended_socks_auth_request_st {
+  uint8_t version;
+  uint16_t npairs;
+  TRUNNEL_DYNARRAY_HEAD(, struct tor_socksauth_keyval_st *) pairs;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct tor_extended_socks_auth_request_st tor_extended_socks_auth_request_t;
+#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_TOR_EXTENDED_SOCKS_AUTH_RESPONSE)
+struct tor_extended_socks_auth_response_st {
+  uint8_t version;
+  uint8_t status;
+  uint16_t npairs;
+  TRUNNEL_DYNARRAY_HEAD(, struct tor_socksauth_keyval_st *) pairs;
+  uint8_t trunnel_error_code_;
+};
+#endif
+typedef struct tor_extended_socks_auth_response_st tor_extended_socks_auth_response_t;
+/** Return a newly allocated domainname with all elements set to zero.
+ */
+domainname_t *domainname_new(void);
+/** Release all storage held by the domainname in 'victim'. (Do
+ * nothing if 'victim' is NULL.)
+ */
+void domainname_free(domainname_t *victim);
+/** Try to parse a domainname 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
+ * domainname_t. On failure, return -2 if the input appears truncated,
+ * and -1 if the input is otherwise invalid.
+ */
+ssize_t domainname_parse(domainname_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * domainname 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 domainname_encoded_len(const domainname_t *obj);
+/** Try to encode the domainname 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 domainname_encode(uint8_t *output, size_t avail, const domainname_t *input);
+/** Check whether the internal state of the domainname in 'obj' is
+ * consistent. Return NULL if it is, and a short message if it is not.
+ */
+const char *domainname_check(const domainname_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int domainname_clear_errors(domainname_t *obj);
+/** Return the value of the len field of the domainname_t in 'inp'
+ */
+uint8_t domainname_get_len(const domainname_t *inp);
+/** Set the value of the len field of the domainname_t in 'inp' to
+ * 'val'. Return 0 on success; return -1 and set the error code on
+ * 'inp' on failure.
+ */
+int domainname_set_len(domainname_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the name field of
+ * the domainname_t in 'inp'.
+ */
+size_t domainname_getlen_name(const domainname_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * name of the domainname_t in 'inp'.
+ */
+char domainname_get_name(domainname_t *inp, size_t idx);
+/** As domainname_get_name, but take and return a const pointer
+ */
+char domainname_getconst_name(const domainname_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * name of the domainname_t in 'inp', so that it will hold the value
+ * 'elt'.
+ */
+int domainname_set_name(domainname_t *inp, size_t idx, char elt);
+/** Append a new element 'elt' to the dynamic array field name of the
+ * domainname_t in 'inp'.
+ */
+int domainname_add_name(domainname_t *inp, char elt);
+/** Return a pointer to the variable-length array field name of 'inp'.
+ */
+char * domainname_getarray_name(domainname_t *inp);
+/** As domainname_get_name, but take and return a const pointer
+ */
+const char  * domainname_getconstarray_name(const domainname_t *inp);
+/** Change the length of the variable-length array field name 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 domainname_setlen_name(domainname_t *inp, size_t newlen);
+/** Return the value of the name field of a domainname_t as a NUL-
+ * terminated string.
+ */
+const char * domainname_getstr_name(domainname_t *inp);
+/** Set the value of the name field of a domainname_t to a given
+ * string of length 'len'. Return 0 on success; return -1 and set the
+ * error code on 'inp' on failure.
+ */
+int domainname_setstr0_name(domainname_t *inp, const char *val, size_t len);
+/** Set the value of the name field of a domainname_t to a given NUL-
+ * terminated string. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int domainname_setstr_name(domainname_t *inp, const char *val);
+/** Return a newly allocated socks4_client_request with all elements
+ * set to zero.
+ */
+socks4_client_request_t *socks4_client_request_new(void);
+/** Release all storage held by the socks4_client_request in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks4_client_request_free(socks4_client_request_t *victim);
+/** Try to parse a socks4_client_request 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 socks4_client_request_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks4_client_request_parse(socks4_client_request_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks4_client_request 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 socks4_client_request_encoded_len(const socks4_client_request_t *obj);
+/** Try to encode the socks4_client_request 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 socks4_client_request_encode(uint8_t *output, size_t avail, const socks4_client_request_t *input);
+/** Check whether the internal state of the socks4_client_request in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks4_client_request_check(const socks4_client_request_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks4_client_request_clear_errors(socks4_client_request_t *obj);
+/** Return the value of the version field of the
+ * socks4_client_request_t in 'inp'
+ */
+uint8_t socks4_client_request_get_version(const socks4_client_request_t *inp);
+/** Set the value of the version field of the socks4_client_request_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_client_request_set_version(socks4_client_request_t *inp, uint8_t val);
+/** Return the value of the command field of the
+ * socks4_client_request_t in 'inp'
+ */
+uint8_t socks4_client_request_get_command(const socks4_client_request_t *inp);
+/** Set the value of the command field of the socks4_client_request_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_client_request_set_command(socks4_client_request_t *inp, uint8_t val);
+/** Return the value of the port field of the socks4_client_request_t
+ * in 'inp'
+ */
+uint16_t socks4_client_request_get_port(const socks4_client_request_t *inp);
+/** Set the value of the port field of the socks4_client_request_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_client_request_set_port(socks4_client_request_t *inp, uint16_t val);
+/** Return the value of the addr field of the socks4_client_request_t
+ * in 'inp'
+ */
+uint32_t socks4_client_request_get_addr(const socks4_client_request_t *inp);
+/** Set the value of the addr field of the socks4_client_request_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_client_request_set_addr(socks4_client_request_t *inp, uint32_t val);
+/** Return the value of the username field of the
+ * socks4_client_request_t in 'inp'
+ */
+const char * socks4_client_request_get_username(const socks4_client_request_t *inp);
+/** Set the value of the username field of the socks4_client_request_t
+ * in 'inp' to 'val'. Free the old value if any. Does not steal the
+ * reference to 'val'.Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_client_request_set_username(socks4_client_request_t *inp, const char *val);
+/** Return the value of the socks4a_addr_hostname field of the
+ * socks4_client_request_t in 'inp'
+ */
+const char * socks4_client_request_get_socks4a_addr_hostname(const socks4_client_request_t *inp);
+/** Set the value of the socks4a_addr_hostname field of the
+ * socks4_client_request_t in 'inp' to 'val'. Free the old value if
+ * any. Does not steal the reference to 'val'.Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int socks4_client_request_set_socks4a_addr_hostname(socks4_client_request_t *inp, const char *val);
+/** Return a newly allocated socks4_server_reply with all elements set
+ * to zero.
+ */
+socks4_server_reply_t *socks4_server_reply_new(void);
+/** Release all storage held by the socks4_server_reply in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks4_server_reply_free(socks4_server_reply_t *victim);
+/** Try to parse a socks4_server_reply 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 socks4_server_reply_t. On failure, return -2 if the input
+ * appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks4_server_reply_parse(socks4_server_reply_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks4_server_reply 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 socks4_server_reply_encoded_len(const socks4_server_reply_t *obj);
+/** Try to encode the socks4_server_reply 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 socks4_server_reply_encode(uint8_t *output, size_t avail, const socks4_server_reply_t *input);
+/** Check whether the internal state of the socks4_server_reply in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks4_server_reply_check(const socks4_server_reply_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks4_server_reply_clear_errors(socks4_server_reply_t *obj);
+/** Return the value of the version field of the socks4_server_reply_t
+ * in 'inp'
+ */
+uint8_t socks4_server_reply_get_version(const socks4_server_reply_t *inp);
+/** Set the value of the version field of the socks4_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_server_reply_set_version(socks4_server_reply_t *inp, uint8_t val);
+/** Return the value of the status field of the socks4_server_reply_t
+ * in 'inp'
+ */
+uint8_t socks4_server_reply_get_status(const socks4_server_reply_t *inp);
+/** Set the value of the status field of the socks4_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_server_reply_set_status(socks4_server_reply_t *inp, uint8_t val);
+/** Return the value of the port field of the socks4_server_reply_t in
+ * 'inp'
+ */
+uint16_t socks4_server_reply_get_port(const socks4_server_reply_t *inp);
+/** Set the value of the port field of the socks4_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_server_reply_set_port(socks4_server_reply_t *inp, uint16_t val);
+/** Return the value of the addr field of the socks4_server_reply_t in
+ * 'inp'
+ */
+uint32_t socks4_server_reply_get_addr(const socks4_server_reply_t *inp);
+/** Set the value of the addr field of the socks4_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks4_server_reply_set_addr(socks4_server_reply_t *inp, uint32_t val);
+/** Return a newly allocated socks5_client_userpass_auth with all
+ * elements set to zero.
+ */
+socks5_client_userpass_auth_t *socks5_client_userpass_auth_new(void);
+/** Release all storage held by the socks5_client_userpass_auth in
+ * 'victim'. (Do nothing if 'victim' is NULL.)
+ */
+void socks5_client_userpass_auth_free(socks5_client_userpass_auth_t *victim);
+/** Try to parse a socks5_client_userpass_auth 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 socks5_client_userpass_auth_t. On failure, return
+ * -2 if the input appears truncated, and -1 if the input is otherwise
+ * invalid.
+ */
+ssize_t socks5_client_userpass_auth_parse(socks5_client_userpass_auth_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_client_userpass_auth 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 socks5_client_userpass_auth_encoded_len(const socks5_client_userpass_auth_t *obj);
+/** Try to encode the socks5_client_userpass_auth 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 socks5_client_userpass_auth_encode(uint8_t *output, size_t avail, const socks5_client_userpass_auth_t *input);
+/** Check whether the internal state of the
+ * socks5_client_userpass_auth in 'obj' is consistent. Return NULL if
+ * it is, and a short message if it is not.
+ */
+const char *socks5_client_userpass_auth_check(const socks5_client_userpass_auth_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_client_userpass_auth_clear_errors(socks5_client_userpass_auth_t *obj);
+/** Return the value of the version field of the
+ * socks5_client_userpass_auth_t in 'inp'
+ */
+uint8_t socks5_client_userpass_auth_get_version(const socks5_client_userpass_auth_t *inp);
+/** Set the value of the version field of the
+ * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_userpass_auth_set_version(socks5_client_userpass_auth_t *inp, uint8_t val);
+/** Return the value of the username_len field of the
+ * socks5_client_userpass_auth_t in 'inp'
+ */
+uint8_t socks5_client_userpass_auth_get_username_len(const socks5_client_userpass_auth_t *inp);
+/** Set the value of the username_len field of the
+ * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_userpass_auth_set_username_len(socks5_client_userpass_auth_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the username field
+ * of the socks5_client_userpass_auth_t in 'inp'.
+ */
+size_t socks5_client_userpass_auth_getlen_username(const socks5_client_userpass_auth_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * username of the socks5_client_userpass_auth_t in 'inp'.
+ */
+char socks5_client_userpass_auth_get_username(socks5_client_userpass_auth_t *inp, size_t idx);
+/** As socks5_client_userpass_auth_get_username, but take and return a
+ * const pointer
+ */
+char socks5_client_userpass_auth_getconst_username(const socks5_client_userpass_auth_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * username of the socks5_client_userpass_auth_t in 'inp', so that it
+ * will hold the value 'elt'.
+ */
+int socks5_client_userpass_auth_set_username(socks5_client_userpass_auth_t *inp, size_t idx, char elt);
+/** Append a new element 'elt' to the dynamic array field username of
+ * the socks5_client_userpass_auth_t in 'inp'.
+ */
+int socks5_client_userpass_auth_add_username(socks5_client_userpass_auth_t *inp, char elt);
+/** Return a pointer to the variable-length array field username of
+ * 'inp'.
+ */
+char * socks5_client_userpass_auth_getarray_username(socks5_client_userpass_auth_t *inp);
+/** As socks5_client_userpass_auth_get_username, but take and return a
+ * const pointer
+ */
+const char  * socks5_client_userpass_auth_getconstarray_username(const socks5_client_userpass_auth_t *inp);
+/** Change the length of the variable-length array field username 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 socks5_client_userpass_auth_setlen_username(socks5_client_userpass_auth_t *inp, size_t newlen);
+/** Return the value of the username field of a
+ * socks5_client_userpass_auth_t as a NUL-terminated string.
+ */
+const char * socks5_client_userpass_auth_getstr_username(socks5_client_userpass_auth_t *inp);
+/** Set the value of the username field of a
+ * socks5_client_userpass_auth_t to a given string of length 'len'.
+ * Return 0 on success; return -1 and set the error code on 'inp' on
+ * failure.
+ */
+int socks5_client_userpass_auth_setstr0_username(socks5_client_userpass_auth_t *inp, const char *val, size_t len);
+/** Set the value of the username field of a
+ * socks5_client_userpass_auth_t to a given NUL-terminated string.
+ * Return 0 on success; return -1 and set the error code on 'inp' on
+ * failure.
+ */
+int socks5_client_userpass_auth_setstr_username(socks5_client_userpass_auth_t *inp, const char *val);
+/** Return the value of the passwd_len field of the
+ * socks5_client_userpass_auth_t in 'inp'
+ */
+uint8_t socks5_client_userpass_auth_get_passwd_len(const socks5_client_userpass_auth_t *inp);
+/** Set the value of the passwd_len field of the
+ * socks5_client_userpass_auth_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_userpass_auth_set_passwd_len(socks5_client_userpass_auth_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the passwd field of
+ * the socks5_client_userpass_auth_t in 'inp'.
+ */
+size_t socks5_client_userpass_auth_getlen_passwd(const socks5_client_userpass_auth_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * passwd of the socks5_client_userpass_auth_t in 'inp'.
+ */
+char socks5_client_userpass_auth_get_passwd(socks5_client_userpass_auth_t *inp, size_t idx);
+/** As socks5_client_userpass_auth_get_passwd, but take and return a
+ * const pointer
+ */
+char socks5_client_userpass_auth_getconst_passwd(const socks5_client_userpass_auth_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * passwd of the socks5_client_userpass_auth_t in 'inp', so that it
+ * will hold the value 'elt'.
+ */
+int socks5_client_userpass_auth_set_passwd(socks5_client_userpass_auth_t *inp, size_t idx, char elt);
+/** Append a new element 'elt' to the dynamic array field passwd of
+ * the socks5_client_userpass_auth_t in 'inp'.
+ */
+int socks5_client_userpass_auth_add_passwd(socks5_client_userpass_auth_t *inp, char elt);
+/** Return a pointer to the variable-length array field passwd of
+ * 'inp'.
+ */
+char * socks5_client_userpass_auth_getarray_passwd(socks5_client_userpass_auth_t *inp);
+/** As socks5_client_userpass_auth_get_passwd, but take and return a
+ * const pointer
+ */
+const char  * socks5_client_userpass_auth_getconstarray_passwd(const socks5_client_userpass_auth_t *inp);
+/** Change the length of the variable-length array field passwd 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 socks5_client_userpass_auth_setlen_passwd(socks5_client_userpass_auth_t *inp, size_t newlen);
+/** Return the value of the passwd field of a
+ * socks5_client_userpass_auth_t as a NUL-terminated string.
+ */
+const char * socks5_client_userpass_auth_getstr_passwd(socks5_client_userpass_auth_t *inp);
+/** Set the value of the passwd field of a
+ * socks5_client_userpass_auth_t to a given string of length 'len'.
+ * Return 0 on success; return -1 and set the error code on 'inp' on
+ * failure.
+ */
+int socks5_client_userpass_auth_setstr0_passwd(socks5_client_userpass_auth_t *inp, const char *val, size_t len);
+/** Set the value of the passwd field of a
+ * socks5_client_userpass_auth_t to a given NUL-terminated string.
+ * Return 0 on success; return -1 and set the error code on 'inp' on
+ * failure.
+ */
+int socks5_client_userpass_auth_setstr_passwd(socks5_client_userpass_auth_t *inp, const char *val);
+/** Return a newly allocated socks5_client_version with all elements
+ * set to zero.
+ */
+socks5_client_version_t *socks5_client_version_new(void);
+/** Release all storage held by the socks5_client_version in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks5_client_version_free(socks5_client_version_t *victim);
+/** Try to parse a socks5_client_version 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 socks5_client_version_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks5_client_version_parse(socks5_client_version_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_client_version 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 socks5_client_version_encoded_len(const socks5_client_version_t *obj);
+/** Try to encode the socks5_client_version 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 socks5_client_version_encode(uint8_t *output, size_t avail, const socks5_client_version_t *input);
+/** Check whether the internal state of the socks5_client_version in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks5_client_version_check(const socks5_client_version_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_client_version_clear_errors(socks5_client_version_t *obj);
+/** Return the value of the version field of the
+ * socks5_client_version_t in 'inp'
+ */
+uint8_t socks5_client_version_get_version(const socks5_client_version_t *inp);
+/** Set the value of the version field of the socks5_client_version_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_client_version_set_version(socks5_client_version_t *inp, uint8_t val);
+/** Return the value of the n_methods field of the
+ * socks5_client_version_t in 'inp'
+ */
+uint8_t socks5_client_version_get_n_methods(const socks5_client_version_t *inp);
+/** Set the value of the n_methods field of the
+ * socks5_client_version_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_version_set_n_methods(socks5_client_version_t *inp, uint8_t val);
+/** Return the length of the dynamic array holding the methods field
+ * of the socks5_client_version_t in 'inp'.
+ */
+size_t socks5_client_version_getlen_methods(const socks5_client_version_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * methods of the socks5_client_version_t in 'inp'.
+ */
+uint8_t socks5_client_version_get_methods(socks5_client_version_t *inp, size_t idx);
+/** As socks5_client_version_get_methods, but take and return a const
+ * pointer
+ */
+uint8_t socks5_client_version_getconst_methods(const socks5_client_version_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * methods of the socks5_client_version_t in 'inp', so that it will
+ * hold the value 'elt'.
+ */
+int socks5_client_version_set_methods(socks5_client_version_t *inp, size_t idx, uint8_t elt);
+/** Append a new element 'elt' to the dynamic array field methods of
+ * the socks5_client_version_t in 'inp'.
+ */
+int socks5_client_version_add_methods(socks5_client_version_t *inp, uint8_t elt);
+/** Return a pointer to the variable-length array field methods of
+ * 'inp'.
+ */
+uint8_t * socks5_client_version_getarray_methods(socks5_client_version_t *inp);
+/** As socks5_client_version_get_methods, but take and return a const
+ * pointer
+ */
+const uint8_t  * socks5_client_version_getconstarray_methods(const socks5_client_version_t *inp);
+/** Change the length of the variable-length array field methods 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 socks5_client_version_setlen_methods(socks5_client_version_t *inp, size_t newlen);
+/** Return a newly allocated socks5_server_method with all elements
+ * set to zero.
+ */
+socks5_server_method_t *socks5_server_method_new(void);
+/** Release all storage held by the socks5_server_method in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks5_server_method_free(socks5_server_method_t *victim);
+/** Try to parse a socks5_server_method 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 socks5_server_method_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks5_server_method_parse(socks5_server_method_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_server_method 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 socks5_server_method_encoded_len(const socks5_server_method_t *obj);
+/** Try to encode the socks5_server_method 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 socks5_server_method_encode(uint8_t *output, size_t avail, const socks5_server_method_t *input);
+/** Check whether the internal state of the socks5_server_method in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks5_server_method_check(const socks5_server_method_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_server_method_clear_errors(socks5_server_method_t *obj);
+/** Return the value of the version field of the
+ * socks5_server_method_t in 'inp'
+ */
+uint8_t socks5_server_method_get_version(const socks5_server_method_t *inp);
+/** Set the value of the version field of the socks5_server_method_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_method_set_version(socks5_server_method_t *inp, uint8_t val);
+/** Return the value of the method field of the socks5_server_method_t
+ * in 'inp'
+ */
+uint8_t socks5_server_method_get_method(const socks5_server_method_t *inp);
+/** Set the value of the method field of the socks5_server_method_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_method_set_method(socks5_server_method_t *inp, uint8_t val);
+/** Return a newly allocated socks5_server_userpath_auth with all
+ * elements set to zero.
+ */
+socks5_server_userpath_auth_t *socks5_server_userpath_auth_new(void);
+/** Release all storage held by the socks5_server_userpath_auth in
+ * 'victim'. (Do nothing if 'victim' is NULL.)
+ */
+void socks5_server_userpath_auth_free(socks5_server_userpath_auth_t *victim);
+/** Try to parse a socks5_server_userpath_auth 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 socks5_server_userpath_auth_t. On failure, return
+ * -2 if the input appears truncated, and -1 if the input is otherwise
+ * invalid.
+ */
+ssize_t socks5_server_userpath_auth_parse(socks5_server_userpath_auth_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_server_userpath_auth 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 socks5_server_userpath_auth_encoded_len(const socks5_server_userpath_auth_t *obj);
+/** Try to encode the socks5_server_userpath_auth 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 socks5_server_userpath_auth_encode(uint8_t *output, size_t avail, const socks5_server_userpath_auth_t *input);
+/** Check whether the internal state of the
+ * socks5_server_userpath_auth in 'obj' is consistent. Return NULL if
+ * it is, and a short message if it is not.
+ */
+const char *socks5_server_userpath_auth_check(const socks5_server_userpath_auth_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_server_userpath_auth_clear_errors(socks5_server_userpath_auth_t *obj);
+/** Return the value of the version field of the
+ * socks5_server_userpath_auth_t in 'inp'
+ */
+uint8_t socks5_server_userpath_auth_get_version(const socks5_server_userpath_auth_t *inp);
+/** Set the value of the version field of the
+ * socks5_server_userpath_auth_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_server_userpath_auth_set_version(socks5_server_userpath_auth_t *inp, uint8_t val);
+/** Return the value of the status field of the
+ * socks5_server_userpath_auth_t in 'inp'
+ */
+uint8_t socks5_server_userpath_auth_get_status(const socks5_server_userpath_auth_t *inp);
+/** Set the value of the status field of the
+ * socks5_server_userpath_auth_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_server_userpath_auth_set_status(socks5_server_userpath_auth_t *inp, uint8_t val);
+/** Return a newly allocated tor_socksauth_keyval with all elements
+ * set to zero.
+ */
+tor_socksauth_keyval_t *tor_socksauth_keyval_new(void);
+/** Release all storage held by the tor_socksauth_keyval in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void tor_socksauth_keyval_free(tor_socksauth_keyval_t *victim);
+/** Try to parse a tor_socksauth_keyval 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 tor_socksauth_keyval_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t tor_socksauth_keyval_parse(tor_socksauth_keyval_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * tor_socksauth_keyval 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 tor_socksauth_keyval_encoded_len(const tor_socksauth_keyval_t *obj);
+/** Try to encode the tor_socksauth_keyval 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 tor_socksauth_keyval_encode(uint8_t *output, size_t avail, const tor_socksauth_keyval_t *input);
+/** Check whether the internal state of the tor_socksauth_keyval in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *tor_socksauth_keyval_check(const tor_socksauth_keyval_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int tor_socksauth_keyval_clear_errors(tor_socksauth_keyval_t *obj);
+/** Return the value of the keylen field of the tor_socksauth_keyval_t
+ * in 'inp'
+ */
+uint16_t tor_socksauth_keyval_get_keylen(const tor_socksauth_keyval_t *inp);
+/** Set the value of the keylen field of the tor_socksauth_keyval_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_set_keylen(tor_socksauth_keyval_t *inp, uint16_t val);
+/** Return the length of the dynamic array holding the key field of
+ * the tor_socksauth_keyval_t in 'inp'.
+ */
+size_t tor_socksauth_keyval_getlen_key(const tor_socksauth_keyval_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * key of the tor_socksauth_keyval_t in 'inp'.
+ */
+char tor_socksauth_keyval_get_key(tor_socksauth_keyval_t *inp, size_t idx);
+/** As tor_socksauth_keyval_get_key, but take and return a const
+ * pointer
+ */
+char tor_socksauth_keyval_getconst_key(const tor_socksauth_keyval_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * key of the tor_socksauth_keyval_t in 'inp', so that it will hold
+ * the value 'elt'.
+ */
+int tor_socksauth_keyval_set_key(tor_socksauth_keyval_t *inp, size_t idx, char elt);
+/** Append a new element 'elt' to the dynamic array field key of the
+ * tor_socksauth_keyval_t in 'inp'.
+ */
+int tor_socksauth_keyval_add_key(tor_socksauth_keyval_t *inp, char elt);
+/** Return a pointer to the variable-length array field key of 'inp'.
+ */
+char * tor_socksauth_keyval_getarray_key(tor_socksauth_keyval_t *inp);
+/** As tor_socksauth_keyval_get_key, but take and return a const
+ * pointer
+ */
+const char  * tor_socksauth_keyval_getconstarray_key(const tor_socksauth_keyval_t *inp);
+/** Change the length of the variable-length array field key 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 tor_socksauth_keyval_setlen_key(tor_socksauth_keyval_t *inp, size_t newlen);
+/** Return the value of the key field of a tor_socksauth_keyval_t as a
+ * NUL-terminated string.
+ */
+const char * tor_socksauth_keyval_getstr_key(tor_socksauth_keyval_t *inp);
+/** Set the value of the key field of a tor_socksauth_keyval_t to a
+ * given string of length 'len'. Return 0 on success; return -1 and
+ * set the error code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_setstr0_key(tor_socksauth_keyval_t *inp, const char *val, size_t len);
+/** Set the value of the key field of a tor_socksauth_keyval_t to a
+ * given NUL-terminated string. Return 0 on success; return -1 and set
+ * the error code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_setstr_key(tor_socksauth_keyval_t *inp, const char *val);
+/** Return the value of the vallen field of the tor_socksauth_keyval_t
+ * in 'inp'
+ */
+uint16_t tor_socksauth_keyval_get_vallen(const tor_socksauth_keyval_t *inp);
+/** Set the value of the vallen field of the tor_socksauth_keyval_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_set_vallen(tor_socksauth_keyval_t *inp, uint16_t val);
+/** Return the length of the dynamic array holding the val field of
+ * the tor_socksauth_keyval_t in 'inp'.
+ */
+size_t tor_socksauth_keyval_getlen_val(const tor_socksauth_keyval_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * val of the tor_socksauth_keyval_t in 'inp'.
+ */
+char tor_socksauth_keyval_get_val(tor_socksauth_keyval_t *inp, size_t idx);
+/** As tor_socksauth_keyval_get_val, but take and return a const
+ * pointer
+ */
+char tor_socksauth_keyval_getconst_val(const tor_socksauth_keyval_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * val of the tor_socksauth_keyval_t in 'inp', so that it will hold
+ * the value 'elt'.
+ */
+int tor_socksauth_keyval_set_val(tor_socksauth_keyval_t *inp, size_t idx, char elt);
+/** Append a new element 'elt' to the dynamic array field val of the
+ * tor_socksauth_keyval_t in 'inp'.
+ */
+int tor_socksauth_keyval_add_val(tor_socksauth_keyval_t *inp, char elt);
+/** Return a pointer to the variable-length array field val of 'inp'.
+ */
+char * tor_socksauth_keyval_getarray_val(tor_socksauth_keyval_t *inp);
+/** As tor_socksauth_keyval_get_val, but take and return a const
+ * pointer
+ */
+const char  * tor_socksauth_keyval_getconstarray_val(const tor_socksauth_keyval_t *inp);
+/** Change the length of the variable-length array field val 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 tor_socksauth_keyval_setlen_val(tor_socksauth_keyval_t *inp, size_t newlen);
+/** Return the value of the val field of a tor_socksauth_keyval_t as a
+ * NUL-terminated string.
+ */
+const char * tor_socksauth_keyval_getstr_val(tor_socksauth_keyval_t *inp);
+/** Set the value of the val field of a tor_socksauth_keyval_t to a
+ * given string of length 'len'. Return 0 on success; return -1 and
+ * set the error code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_setstr0_val(tor_socksauth_keyval_t *inp, const char *val, size_t len);
+/** Set the value of the val field of a tor_socksauth_keyval_t to a
+ * given NUL-terminated string. Return 0 on success; return -1 and set
+ * the error code on 'inp' on failure.
+ */
+int tor_socksauth_keyval_setstr_val(tor_socksauth_keyval_t *inp, const char *val);
+/** Return a newly allocated socks5_client_request with all elements
+ * set to zero.
+ */
+socks5_client_request_t *socks5_client_request_new(void);
+/** Release all storage held by the socks5_client_request in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks5_client_request_free(socks5_client_request_t *victim);
+/** Try to parse a socks5_client_request 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 socks5_client_request_t. On failure, return -2 if the
+ * input appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks5_client_request_parse(socks5_client_request_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_client_request 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 socks5_client_request_encoded_len(const socks5_client_request_t *obj);
+/** Try to encode the socks5_client_request 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 socks5_client_request_encode(uint8_t *output, size_t avail, const socks5_client_request_t *input);
+/** Check whether the internal state of the socks5_client_request in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks5_client_request_check(const socks5_client_request_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_client_request_clear_errors(socks5_client_request_t *obj);
+/** Return the value of the version field of the
+ * socks5_client_request_t in 'inp'
+ */
+uint8_t socks5_client_request_get_version(const socks5_client_request_t *inp);
+/** Set the value of the version field of the socks5_client_request_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_client_request_set_version(socks5_client_request_t *inp, uint8_t val);
+/** Return the value of the command field of the
+ * socks5_client_request_t in 'inp'
+ */
+uint8_t socks5_client_request_get_command(const socks5_client_request_t *inp);
+/** Set the value of the command field of the socks5_client_request_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_client_request_set_command(socks5_client_request_t *inp, uint8_t val);
+/** Return the value of the reserved field of the
+ * socks5_client_request_t in 'inp'
+ */
+uint8_t socks5_client_request_get_reserved(const socks5_client_request_t *inp);
+/** Set the value of the reserved field of the socks5_client_request_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_client_request_set_reserved(socks5_client_request_t *inp, uint8_t val);
+/** Return the value of the atype field of the socks5_client_request_t
+ * in 'inp'
+ */
+uint8_t socks5_client_request_get_atype(const socks5_client_request_t *inp);
+/** Set the value of the atype field of the socks5_client_request_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_client_request_set_atype(socks5_client_request_t *inp, uint8_t val);
+/** Return the value of the dest_addr_ipv4 field of the
+ * socks5_client_request_t in 'inp'
+ */
+uint32_t socks5_client_request_get_dest_addr_ipv4(const socks5_client_request_t *inp);
+/** Set the value of the dest_addr_ipv4 field of the
+ * socks5_client_request_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_request_set_dest_addr_ipv4(socks5_client_request_t *inp, uint32_t val);
+/** Return the (constant) length of the array holding the
+ * dest_addr_ipv6 field of the socks5_client_request_t in 'inp'.
+ */
+size_t socks5_client_request_getlen_dest_addr_ipv6(const socks5_client_request_t *inp);
+/** Return the element at position 'idx' of the fixed array field
+ * dest_addr_ipv6 of the socks5_client_request_t in 'inp'.
+ */
+uint8_t socks5_client_request_get_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx);
+/** As socks5_client_request_get_dest_addr_ipv6, but take and return a
+ * const pointer
+ */
+uint8_t socks5_client_request_getconst_dest_addr_ipv6(const socks5_client_request_t *inp, size_t idx);
+/** Change the element at position 'idx' of the fixed array field
+ * dest_addr_ipv6 of the socks5_client_request_t in 'inp', so that it
+ * will hold the value 'elt'.
+ */
+int socks5_client_request_set_dest_addr_ipv6(socks5_client_request_t *inp, size_t idx, uint8_t elt);
+/** Return a pointer to the 16-element array field dest_addr_ipv6 of
+ * 'inp'.
+ */
+uint8_t * socks5_client_request_getarray_dest_addr_ipv6(socks5_client_request_t *inp);
+/** As socks5_client_request_get_dest_addr_ipv6, but take and return a
+ * const pointer
+ */
+const uint8_t  * socks5_client_request_getconstarray_dest_addr_ipv6(const socks5_client_request_t *inp);
+/** Return the value of the dest_addr_domainname field of the
+ * socks5_client_request_t in 'inp'
+ */
+struct domainname_st * socks5_client_request_get_dest_addr_domainname(socks5_client_request_t *inp);
+/** As socks5_client_request_get_dest_addr_domainname, but take and
+ * return a const pointer
+ */
+const struct domainname_st * socks5_client_request_getconst_dest_addr_domainname(const socks5_client_request_t *inp);
+/** Set the value of the dest_addr_domainname field of the
+ * socks5_client_request_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 socks5_client_request_set_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val);
+/** As socks5_client_request_set_dest_addr_domainname, but does not
+ * free the previous value.
+ */
+int socks5_client_request_set0_dest_addr_domainname(socks5_client_request_t *inp, struct domainname_st *val);
+/** Return the value of the dest_port field of the
+ * socks5_client_request_t in 'inp'
+ */
+uint16_t socks5_client_request_get_dest_port(const socks5_client_request_t *inp);
+/** Set the value of the dest_port field of the
+ * socks5_client_request_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_client_request_set_dest_port(socks5_client_request_t *inp, uint16_t val);
+/** Return a newly allocated socks5_server_reply with all elements set
+ * to zero.
+ */
+socks5_server_reply_t *socks5_server_reply_new(void);
+/** Release all storage held by the socks5_server_reply in 'victim'.
+ * (Do nothing if 'victim' is NULL.)
+ */
+void socks5_server_reply_free(socks5_server_reply_t *victim);
+/** Try to parse a socks5_server_reply 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 socks5_server_reply_t. On failure, return -2 if the input
+ * appears truncated, and -1 if the input is otherwise invalid.
+ */
+ssize_t socks5_server_reply_parse(socks5_server_reply_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * socks5_server_reply 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 socks5_server_reply_encoded_len(const socks5_server_reply_t *obj);
+/** Try to encode the socks5_server_reply 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 socks5_server_reply_encode(uint8_t *output, size_t avail, const socks5_server_reply_t *input);
+/** Check whether the internal state of the socks5_server_reply in
+ * 'obj' is consistent. Return NULL if it is, and a short message if
+ * it is not.
+ */
+const char *socks5_server_reply_check(const socks5_server_reply_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int socks5_server_reply_clear_errors(socks5_server_reply_t *obj);
+/** Return the value of the version field of the socks5_server_reply_t
+ * in 'inp'
+ */
+uint8_t socks5_server_reply_get_version(const socks5_server_reply_t *inp);
+/** Set the value of the version field of the socks5_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_reply_set_version(socks5_server_reply_t *inp, uint8_t val);
+/** Return the value of the reply field of the socks5_server_reply_t
+ * in 'inp'
+ */
+uint8_t socks5_server_reply_get_reply(const socks5_server_reply_t *inp);
+/** Set the value of the reply field of the socks5_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_reply_set_reply(socks5_server_reply_t *inp, uint8_t val);
+/** Return the value of the reserved field of the
+ * socks5_server_reply_t in 'inp'
+ */
+uint8_t socks5_server_reply_get_reserved(const socks5_server_reply_t *inp);
+/** Set the value of the reserved field of the socks5_server_reply_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_reply_set_reserved(socks5_server_reply_t *inp, uint8_t val);
+/** Return the value of the atype field of the socks5_server_reply_t
+ * in 'inp'
+ */
+uint8_t socks5_server_reply_get_atype(const socks5_server_reply_t *inp);
+/** Set the value of the atype field of the socks5_server_reply_t in
+ * 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_reply_set_atype(socks5_server_reply_t *inp, uint8_t val);
+/** Return the value of the bind_addr_ipv4 field of the
+ * socks5_server_reply_t in 'inp'
+ */
+uint32_t socks5_server_reply_get_bind_addr_ipv4(const socks5_server_reply_t *inp);
+/** Set the value of the bind_addr_ipv4 field of the
+ * socks5_server_reply_t in 'inp' to 'val'. Return 0 on success;
+ * return -1 and set the error code on 'inp' on failure.
+ */
+int socks5_server_reply_set_bind_addr_ipv4(socks5_server_reply_t *inp, uint32_t val);
+/** Return the (constant) length of the array holding the
+ * bind_addr_ipv6 field of the socks5_server_reply_t in 'inp'.
+ */
+size_t socks5_server_reply_getlen_bind_addr_ipv6(const socks5_server_reply_t *inp);
+/** Return the element at position 'idx' of the fixed array field
+ * bind_addr_ipv6 of the socks5_server_reply_t in 'inp'.
+ */
+uint8_t socks5_server_reply_get_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx);
+/** As socks5_server_reply_get_bind_addr_ipv6, but take and return a
+ * const pointer
+ */
+uint8_t socks5_server_reply_getconst_bind_addr_ipv6(const socks5_server_reply_t *inp, size_t idx);
+/** Change the element at position 'idx' of the fixed array field
+ * bind_addr_ipv6 of the socks5_server_reply_t in 'inp', so that it
+ * will hold the value 'elt'.
+ */
+int socks5_server_reply_set_bind_addr_ipv6(socks5_server_reply_t *inp, size_t idx, uint8_t elt);
+/** Return a pointer to the 16-element array field bind_addr_ipv6 of
+ * 'inp'.
+ */
+uint8_t * socks5_server_reply_getarray_bind_addr_ipv6(socks5_server_reply_t *inp);
+/** As socks5_server_reply_get_bind_addr_ipv6, but take and return a
+ * const pointer
+ */
+const uint8_t  * socks5_server_reply_getconstarray_bind_addr_ipv6(const socks5_server_reply_t *inp);
+/** Return the value of the bind_addr_domainname field of the
+ * socks5_server_reply_t in 'inp'
+ */
+struct domainname_st * socks5_server_reply_get_bind_addr_domainname(socks5_server_reply_t *inp);
+/** As socks5_server_reply_get_bind_addr_domainname, but take and
+ * return a const pointer
+ */
+const struct domainname_st * socks5_server_reply_getconst_bind_addr_domainname(const socks5_server_reply_t *inp);
+/** Set the value of the bind_addr_domainname field of the
+ * socks5_server_reply_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 socks5_server_reply_set_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val);
+/** As socks5_server_reply_set_bind_addr_domainname, but does not free
+ * the previous value.
+ */
+int socks5_server_reply_set0_bind_addr_domainname(socks5_server_reply_t *inp, struct domainname_st *val);
+/** Return the value of the bind_port field of the
+ * socks5_server_reply_t in 'inp'
+ */
+uint16_t socks5_server_reply_get_bind_port(const socks5_server_reply_t *inp);
+/** Set the value of the bind_port field of the socks5_server_reply_t
+ * in 'inp' to 'val'. Return 0 on success; return -1 and set the error
+ * code on 'inp' on failure.
+ */
+int socks5_server_reply_set_bind_port(socks5_server_reply_t *inp, uint16_t val);
+/** Return a newly allocated tor_extended_socks_auth_request with all
+ * elements set to zero.
+ */
+tor_extended_socks_auth_request_t *tor_extended_socks_auth_request_new(void);
+/** Release all storage held by the tor_extended_socks_auth_request in
+ * 'victim'. (Do nothing if 'victim' is NULL.)
+ */
+void tor_extended_socks_auth_request_free(tor_extended_socks_auth_request_t *victim);
+/** Try to parse a tor_extended_socks_auth_request 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 tor_extended_socks_auth_request_t. On failure,
+ * return -2 if the input appears truncated, and -1 if the input is
+ * otherwise invalid.
+ */
+ssize_t tor_extended_socks_auth_request_parse(tor_extended_socks_auth_request_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * tor_extended_socks_auth_request 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 tor_extended_socks_auth_request_encoded_len(const tor_extended_socks_auth_request_t *obj);
+/** Try to encode the tor_extended_socks_auth_request 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 tor_extended_socks_auth_request_encode(uint8_t *output, size_t avail, const tor_extended_socks_auth_request_t *input);
+/** Check whether the internal state of the
+ * tor_extended_socks_auth_request in 'obj' is consistent. Return NULL
+ * if it is, and a short message if it is not.
+ */
+const char *tor_extended_socks_auth_request_check(const tor_extended_socks_auth_request_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int tor_extended_socks_auth_request_clear_errors(tor_extended_socks_auth_request_t *obj);
+/** Return the value of the version field of the
+ * tor_extended_socks_auth_request_t in 'inp'
+ */
+uint8_t tor_extended_socks_auth_request_get_version(const tor_extended_socks_auth_request_t *inp);
+/** Set the value of the version field of the
+ * tor_extended_socks_auth_request_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int tor_extended_socks_auth_request_set_version(tor_extended_socks_auth_request_t *inp, uint8_t val);
+/** Return the value of the npairs field of the
+ * tor_extended_socks_auth_request_t in 'inp'
+ */
+uint16_t tor_extended_socks_auth_request_get_npairs(const tor_extended_socks_auth_request_t *inp);
+/** Set the value of the npairs field of the
+ * tor_extended_socks_auth_request_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int tor_extended_socks_auth_request_set_npairs(tor_extended_socks_auth_request_t *inp, uint16_t val);
+/** Return the length of the dynamic array holding the pairs field of
+ * the tor_extended_socks_auth_request_t in 'inp'.
+ */
+size_t tor_extended_socks_auth_request_getlen_pairs(const tor_extended_socks_auth_request_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * pairs of the tor_extended_socks_auth_request_t in 'inp'.
+ */
+struct tor_socksauth_keyval_st * tor_extended_socks_auth_request_get_pairs(tor_extended_socks_auth_request_t *inp, size_t idx);
+/** As tor_extended_socks_auth_request_get_pairs, but take and return
+ * a const pointer
+ */
+ const struct tor_socksauth_keyval_st * tor_extended_socks_auth_request_getconst_pairs(const tor_extended_socks_auth_request_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * pairs of the tor_extended_socks_auth_request_t in 'inp', so that it
+ * will hold the value 'elt'. Free the previous value, if any.
+ */
+int tor_extended_socks_auth_request_set_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt);
+/** As tor_extended_socks_auth_request_set_pairs, but does not free
+ * the previous value.
+ */
+int tor_extended_socks_auth_request_set0_pairs(tor_extended_socks_auth_request_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt);
+/** Append a new element 'elt' to the dynamic array field pairs of the
+ * tor_extended_socks_auth_request_t in 'inp'.
+ */
+int tor_extended_socks_auth_request_add_pairs(tor_extended_socks_auth_request_t *inp, struct tor_socksauth_keyval_st * elt);
+/** Return a pointer to the variable-length array field pairs of
+ * 'inp'.
+ */
+struct tor_socksauth_keyval_st * * tor_extended_socks_auth_request_getarray_pairs(tor_extended_socks_auth_request_t *inp);
+/** As tor_extended_socks_auth_request_get_pairs, but take and return
+ * a const pointer
+ */
+const struct tor_socksauth_keyval_st *  const  * tor_extended_socks_auth_request_getconstarray_pairs(const tor_extended_socks_auth_request_t *inp);
+/** Change the length of the variable-length array field pairs 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 tor_extended_socks_auth_request_setlen_pairs(tor_extended_socks_auth_request_t *inp, size_t newlen);
+/** Return a newly allocated tor_extended_socks_auth_response with all
+ * elements set to zero.
+ */
+tor_extended_socks_auth_response_t *tor_extended_socks_auth_response_new(void);
+/** Release all storage held by the tor_extended_socks_auth_response
+ * in 'victim'. (Do nothing if 'victim' is NULL.)
+ */
+void tor_extended_socks_auth_response_free(tor_extended_socks_auth_response_t *victim);
+/** Try to parse a tor_extended_socks_auth_response 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 tor_extended_socks_auth_response_t. On failure,
+ * return -2 if the input appears truncated, and -1 if the input is
+ * otherwise invalid.
+ */
+ssize_t tor_extended_socks_auth_response_parse(tor_extended_socks_auth_response_t **output, const uint8_t *input, const size_t len_in);
+/** Return the number of bytes we expect to need to encode the
+ * tor_extended_socks_auth_response 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 tor_extended_socks_auth_response_encoded_len(const tor_extended_socks_auth_response_t *obj);
+/** Try to encode the tor_extended_socks_auth_response 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 tor_extended_socks_auth_response_encode(uint8_t *output, size_t avail, const tor_extended_socks_auth_response_t *input);
+/** Check whether the internal state of the
+ * tor_extended_socks_auth_response in 'obj' is consistent. Return
+ * NULL if it is, and a short message if it is not.
+ */
+const char *tor_extended_socks_auth_response_check(const tor_extended_socks_auth_response_t *obj);
+/** Clear any errors that were set on the object 'obj' by its setter
+ * functions. Return true iff errors were cleared.
+ */
+int tor_extended_socks_auth_response_clear_errors(tor_extended_socks_auth_response_t *obj);
+/** Return the value of the version field of the
+ * tor_extended_socks_auth_response_t in 'inp'
+ */
+uint8_t tor_extended_socks_auth_response_get_version(const tor_extended_socks_auth_response_t *inp);
+/** Set the value of the version field of the
+ * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int tor_extended_socks_auth_response_set_version(tor_extended_socks_auth_response_t *inp, uint8_t val);
+/** Return the value of the status field of the
+ * tor_extended_socks_auth_response_t in 'inp'
+ */
+uint8_t tor_extended_socks_auth_response_get_status(const tor_extended_socks_auth_response_t *inp);
+/** Set the value of the status field of the
+ * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int tor_extended_socks_auth_response_set_status(tor_extended_socks_auth_response_t *inp, uint8_t val);
+/** Return the value of the npairs field of the
+ * tor_extended_socks_auth_response_t in 'inp'
+ */
+uint16_t tor_extended_socks_auth_response_get_npairs(const tor_extended_socks_auth_response_t *inp);
+/** Set the value of the npairs field of the
+ * tor_extended_socks_auth_response_t in 'inp' to 'val'. Return 0 on
+ * success; return -1 and set the error code on 'inp' on failure.
+ */
+int tor_extended_socks_auth_response_set_npairs(tor_extended_socks_auth_response_t *inp, uint16_t val);
+/** Return the length of the dynamic array holding the pairs field of
+ * the tor_extended_socks_auth_response_t in 'inp'.
+ */
+size_t tor_extended_socks_auth_response_getlen_pairs(const tor_extended_socks_auth_response_t *inp);
+/** Return the element at position 'idx' of the dynamic array field
+ * pairs of the tor_extended_socks_auth_response_t in 'inp'.
+ */
+struct tor_socksauth_keyval_st * tor_extended_socks_auth_response_get_pairs(tor_extended_socks_auth_response_t *inp, size_t idx);
+/** As tor_extended_socks_auth_response_get_pairs, but take and return
+ * a const pointer
+ */
+ const struct tor_socksauth_keyval_st * tor_extended_socks_auth_response_getconst_pairs(const tor_extended_socks_auth_response_t *inp, size_t idx);
+/** Change the element at position 'idx' of the dynamic array field
+ * pairs of the tor_extended_socks_auth_response_t in 'inp', so that
+ * it will hold the value 'elt'. Free the previous value, if any.
+ */
+int tor_extended_socks_auth_response_set_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt);
+/** As tor_extended_socks_auth_response_set_pairs, but does not free
+ * the previous value.
+ */
+int tor_extended_socks_auth_response_set0_pairs(tor_extended_socks_auth_response_t *inp, size_t idx, struct tor_socksauth_keyval_st * elt);
+/** Append a new element 'elt' to the dynamic array field pairs of the
+ * tor_extended_socks_auth_response_t in 'inp'.
+ */
+int tor_extended_socks_auth_response_add_pairs(tor_extended_socks_auth_response_t *inp, struct tor_socksauth_keyval_st * elt);
+/** Return a pointer to the variable-length array field pairs of
+ * 'inp'.
+ */
+struct tor_socksauth_keyval_st * * tor_extended_socks_auth_response_getarray_pairs(tor_extended_socks_auth_response_t *inp);
+/** As tor_extended_socks_auth_response_get_pairs, but take and return
+ * a const pointer
+ */
+const struct tor_socksauth_keyval_st *  const  * tor_extended_socks_auth_response_getconstarray_pairs(const tor_extended_socks_auth_response_t *inp);
+/** Change the length of the variable-length array field pairs 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 tor_extended_socks_auth_response_setlen_pairs(tor_extended_socks_auth_response_t *inp, size_t newlen);
+
+
+#endif