mirror of
https://gitlab.torproject.org/tpo/core/tor.git
synced 2024-11-24 04:13:28 +01:00
prop289: Add SENDME trunnel declaration
Signed-off-by: David Goulet <dgoulet@torproject.org>
This commit is contained in:
parent
c38d46bf4a
commit
eef78ac0b0
@ -11,6 +11,7 @@ TRUNNELINPUTS = \
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src/trunnel/link_handshake.trunnel \
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src/trunnel/pwbox.trunnel \
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src/trunnel/channelpadding_negotiation.trunnel \
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src/trunnel/sendme.trunnel \
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src/trunnel/socks5.trunnel \
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src/trunnel/circpad_negotiation.trunnel
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@ -24,6 +25,7 @@ TRUNNELSOURCES = \
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src/trunnel/hs/cell_introduce1.c \
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src/trunnel/hs/cell_rendezvous.c \
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src/trunnel/channelpadding_negotiation.c \
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src/trunnel/sendme.c \
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src/trunnel/socks5.c \
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src/trunnel/netinfo.c \
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src/trunnel/circpad_negotiation.c
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@ -40,6 +42,7 @@ TRUNNELHEADERS = \
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src/trunnel/hs/cell_introduce1.h \
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src/trunnel/hs/cell_rendezvous.h \
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src/trunnel/channelpadding_negotiation.h \
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src/trunnel/sendme.h \
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src/trunnel/socks5.h \
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src/trunnel/netinfo.h \
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src/trunnel/circpad_negotiation.h
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src/trunnel/sendme.c
Normal file
492
src/trunnel/sendme.c
Normal file
@ -0,0 +1,492 @@
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/* sendme.c -- generated by Trunnel v1.5.2.
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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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#include <stdlib.h>
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#include "trunnel-impl.h"
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#include "sendme.h"
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#define TRUNNEL_SET_ERROR_CODE(obj) \
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do { \
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(obj)->trunnel_error_code_ = 1; \
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} while (0)
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#if defined(__COVERITY__) || defined(__clang_analyzer__)
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/* If we're running a static analysis tool, we don't want it to complain
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* that some of our remaining-bytes checks are dead-code. */
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int sendme_deadcode_dummy__ = 0;
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#define OR_DEADCODE_DUMMY || sendme_deadcode_dummy__
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#else
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#define OR_DEADCODE_DUMMY
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#endif
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#define CHECK_REMAINING(nbytes, label) \
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do { \
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if (remaining < (nbytes) OR_DEADCODE_DUMMY) { \
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goto label; \
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} \
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} while (0)
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sendme_cell_t *
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sendme_cell_new(void)
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{
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sendme_cell_t *val = trunnel_calloc(1, sizeof(sendme_cell_t));
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if (NULL == val)
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return NULL;
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return val;
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}
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/** Release all storage held inside 'obj', but do not free 'obj'.
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*/
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static void
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sendme_cell_clear(sendme_cell_t *obj)
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{
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(void) obj;
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TRUNNEL_DYNARRAY_WIPE(&obj->data);
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TRUNNEL_DYNARRAY_CLEAR(&obj->data);
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}
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void
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sendme_cell_free(sendme_cell_t *obj)
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{
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if (obj == NULL)
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return;
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sendme_cell_clear(obj);
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trunnel_memwipe(obj, sizeof(sendme_cell_t));
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trunnel_free_(obj);
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}
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uint8_t
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sendme_cell_get_version(const sendme_cell_t *inp)
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{
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return inp->version;
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}
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int
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sendme_cell_set_version(sendme_cell_t *inp, uint8_t val)
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{
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if (! ((val == 0 || val == 1))) {
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TRUNNEL_SET_ERROR_CODE(inp);
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return -1;
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}
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inp->version = val;
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return 0;
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}
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uint16_t
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sendme_cell_get_data_len(const sendme_cell_t *inp)
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{
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return inp->data_len;
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}
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int
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sendme_cell_set_data_len(sendme_cell_t *inp, uint16_t val)
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{
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inp->data_len = val;
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return 0;
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}
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size_t
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sendme_cell_getlen_data(const sendme_cell_t *inp)
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{
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return TRUNNEL_DYNARRAY_LEN(&inp->data);
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}
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uint8_t
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sendme_cell_get_data(sendme_cell_t *inp, size_t idx)
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{
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return TRUNNEL_DYNARRAY_GET(&inp->data, idx);
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}
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uint8_t
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sendme_cell_getconst_data(const sendme_cell_t *inp, size_t idx)
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{
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return sendme_cell_get_data((sendme_cell_t*)inp, idx);
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}
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int
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sendme_cell_set_data(sendme_cell_t *inp, size_t idx, uint8_t elt)
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{
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TRUNNEL_DYNARRAY_SET(&inp->data, idx, elt);
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return 0;
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}
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int
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sendme_cell_add_data(sendme_cell_t *inp, uint8_t elt)
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{
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#if SIZE_MAX >= UINT16_MAX
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if (inp->data.n_ == UINT16_MAX)
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goto trunnel_alloc_failed;
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#endif
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TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->data, elt, {});
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return 0;
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trunnel_alloc_failed:
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TRUNNEL_SET_ERROR_CODE(inp);
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return -1;
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}
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uint8_t *
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sendme_cell_getarray_data(sendme_cell_t *inp)
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{
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return inp->data.elts_;
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}
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const uint8_t *
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sendme_cell_getconstarray_data(const sendme_cell_t *inp)
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{
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return (const uint8_t *)sendme_cell_getarray_data((sendme_cell_t*)inp);
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}
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int
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sendme_cell_setlen_data(sendme_cell_t *inp, size_t newlen)
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{
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uint8_t *newptr;
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#if UINT16_MAX < SIZE_MAX
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if (newlen > UINT16_MAX)
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goto trunnel_alloc_failed;
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#endif
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newptr = trunnel_dynarray_setlen(&inp->data.allocated_,
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&inp->data.n_, inp->data.elts_, newlen,
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sizeof(inp->data.elts_[0]), (trunnel_free_fn_t) NULL,
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&inp->trunnel_error_code_);
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if (newlen != 0 && newptr == NULL)
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goto trunnel_alloc_failed;
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inp->data.elts_ = newptr;
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return 0;
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trunnel_alloc_failed:
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TRUNNEL_SET_ERROR_CODE(inp);
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return -1;
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}
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const char *
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sendme_cell_check(const sendme_cell_t *obj)
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{
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if (obj == NULL)
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return "Object was NULL";
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if (obj->trunnel_error_code_)
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return "A set function failed on this object";
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if (! (obj->version == 0 || obj->version == 1))
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return "Integer out of bounds";
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if (TRUNNEL_DYNARRAY_LEN(&obj->data) != obj->data_len)
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return "Length mismatch for data";
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return NULL;
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}
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ssize_t
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sendme_cell_encoded_len(const sendme_cell_t *obj)
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{
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ssize_t result = 0;
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if (NULL != sendme_cell_check(obj))
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return -1;
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/* Length of u8 version IN [0, 1] */
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result += 1;
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/* Length of u16 data_len */
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result += 2;
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/* Length of u8 data[data_len] */
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result += TRUNNEL_DYNARRAY_LEN(&obj->data);
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return result;
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}
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int
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sendme_cell_clear_errors(sendme_cell_t *obj)
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{
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int r = obj->trunnel_error_code_;
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obj->trunnel_error_code_ = 0;
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return r;
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}
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ssize_t
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sendme_cell_encode(uint8_t *output, const size_t avail, const sendme_cell_t *obj)
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{
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ssize_t result = 0;
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size_t written = 0;
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uint8_t *ptr = output;
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const char *msg;
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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const ssize_t encoded_len = sendme_cell_encoded_len(obj);
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#endif
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if (NULL != (msg = sendme_cell_check(obj)))
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goto check_failed;
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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trunnel_assert(encoded_len >= 0);
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#endif
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/* Encode u8 version IN [0, 1] */
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trunnel_assert(written <= avail);
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if (avail - written < 1)
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goto truncated;
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trunnel_set_uint8(ptr, (obj->version));
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written += 1; ptr += 1;
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/* Encode u16 data_len */
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trunnel_assert(written <= avail);
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if (avail - written < 2)
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goto truncated;
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trunnel_set_uint16(ptr, trunnel_htons(obj->data_len));
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written += 2; ptr += 2;
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/* Encode u8 data[data_len] */
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{
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size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->data);
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trunnel_assert(obj->data_len == elt_len);
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trunnel_assert(written <= avail);
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if (avail - written < elt_len)
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goto truncated;
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if (elt_len)
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memcpy(ptr, obj->data.elts_, elt_len);
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written += elt_len; ptr += elt_len;
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}
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trunnel_assert(ptr == output + written);
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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{
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trunnel_assert(encoded_len >= 0);
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trunnel_assert((size_t)encoded_len == written);
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}
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#endif
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return written;
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truncated:
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result = -2;
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goto fail;
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check_failed:
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(void)msg;
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result = -1;
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goto fail;
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fail:
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trunnel_assert(result < 0);
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return result;
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}
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/** As sendme_cell_parse(), but do not allocate the output object.
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*/
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static ssize_t
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sendme_cell_parse_into(sendme_cell_t *obj, const uint8_t *input, const size_t len_in)
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{
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const uint8_t *ptr = input;
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size_t remaining = len_in;
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ssize_t result = 0;
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(void)result;
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/* Parse u8 version IN [0, 1] */
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CHECK_REMAINING(1, truncated);
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obj->version = (trunnel_get_uint8(ptr));
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remaining -= 1; ptr += 1;
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if (! (obj->version == 0 || obj->version == 1))
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goto fail;
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/* Parse u16 data_len */
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CHECK_REMAINING(2, truncated);
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obj->data_len = trunnel_ntohs(trunnel_get_uint16(ptr));
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remaining -= 2; ptr += 2;
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/* Parse u8 data[data_len] */
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CHECK_REMAINING(obj->data_len, truncated);
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TRUNNEL_DYNARRAY_EXPAND(uint8_t, &obj->data, obj->data_len, {});
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obj->data.n_ = obj->data_len;
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if (obj->data_len)
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memcpy(obj->data.elts_, ptr, obj->data_len);
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ptr += obj->data_len; remaining -= obj->data_len;
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trunnel_assert(ptr + remaining == input + len_in);
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return len_in - remaining;
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truncated:
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return -2;
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trunnel_alloc_failed:
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return -1;
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fail:
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result = -1;
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return result;
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}
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ssize_t
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sendme_cell_parse(sendme_cell_t **output, const uint8_t *input, const size_t len_in)
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{
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ssize_t result;
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*output = sendme_cell_new();
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if (NULL == *output)
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return -1;
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result = sendme_cell_parse_into(*output, input, len_in);
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if (result < 0) {
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sendme_cell_free(*output);
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*output = NULL;
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}
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return result;
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}
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sendme_data_v1_t *
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sendme_data_v1_new(void)
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{
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sendme_data_v1_t *val = trunnel_calloc(1, sizeof(sendme_data_v1_t));
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if (NULL == val)
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return NULL;
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return val;
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}
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/** Release all storage held inside 'obj', but do not free 'obj'.
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*/
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static void
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sendme_data_v1_clear(sendme_data_v1_t *obj)
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{
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(void) obj;
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}
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void
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sendme_data_v1_free(sendme_data_v1_t *obj)
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{
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if (obj == NULL)
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return;
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sendme_data_v1_clear(obj);
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trunnel_memwipe(obj, sizeof(sendme_data_v1_t));
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trunnel_free_(obj);
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}
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size_t
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sendme_data_v1_getlen_digest(const sendme_data_v1_t *inp)
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{
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(void)inp; return 4;
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}
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uint8_t
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sendme_data_v1_get_digest(sendme_data_v1_t *inp, size_t idx)
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{
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trunnel_assert(idx < 4);
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return inp->digest[idx];
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}
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uint8_t
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sendme_data_v1_getconst_digest(const sendme_data_v1_t *inp, size_t idx)
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{
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return sendme_data_v1_get_digest((sendme_data_v1_t*)inp, idx);
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}
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int
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sendme_data_v1_set_digest(sendme_data_v1_t *inp, size_t idx, uint8_t elt)
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{
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trunnel_assert(idx < 4);
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inp->digest[idx] = elt;
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return 0;
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}
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uint8_t *
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sendme_data_v1_getarray_digest(sendme_data_v1_t *inp)
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{
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return inp->digest;
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}
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const uint8_t *
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sendme_data_v1_getconstarray_digest(const sendme_data_v1_t *inp)
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{
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return (const uint8_t *)sendme_data_v1_getarray_digest((sendme_data_v1_t*)inp);
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}
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const char *
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sendme_data_v1_check(const sendme_data_v1_t *obj)
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{
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if (obj == NULL)
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return "Object was NULL";
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if (obj->trunnel_error_code_)
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return "A set function failed on this object";
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return NULL;
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}
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ssize_t
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sendme_data_v1_encoded_len(const sendme_data_v1_t *obj)
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{
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ssize_t result = 0;
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if (NULL != sendme_data_v1_check(obj))
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return -1;
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/* Length of u8 digest[4] */
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result += 4;
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return result;
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}
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int
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sendme_data_v1_clear_errors(sendme_data_v1_t *obj)
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{
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int r = obj->trunnel_error_code_;
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obj->trunnel_error_code_ = 0;
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return r;
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}
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ssize_t
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sendme_data_v1_encode(uint8_t *output, const size_t avail, const sendme_data_v1_t *obj)
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{
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ssize_t result = 0;
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size_t written = 0;
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uint8_t *ptr = output;
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const char *msg;
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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const ssize_t encoded_len = sendme_data_v1_encoded_len(obj);
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#endif
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if (NULL != (msg = sendme_data_v1_check(obj)))
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goto check_failed;
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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trunnel_assert(encoded_len >= 0);
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#endif
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/* Encode u8 digest[4] */
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trunnel_assert(written <= avail);
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if (avail - written < 4)
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goto truncated;
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memcpy(ptr, obj->digest, 4);
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written += 4; ptr += 4;
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trunnel_assert(ptr == output + written);
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#ifdef TRUNNEL_CHECK_ENCODED_LEN
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{
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trunnel_assert(encoded_len >= 0);
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trunnel_assert((size_t)encoded_len == written);
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}
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#endif
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return written;
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truncated:
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result = -2;
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goto fail;
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check_failed:
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(void)msg;
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result = -1;
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goto fail;
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fail:
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trunnel_assert(result < 0);
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return result;
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}
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|
||||
/** As sendme_data_v1_parse(), but do not allocate the output object.
|
||||
*/
|
||||
static ssize_t
|
||||
sendme_data_v1_parse_into(sendme_data_v1_t *obj, const uint8_t *input, const size_t len_in)
|
||||
{
|
||||
const uint8_t *ptr = input;
|
||||
size_t remaining = len_in;
|
||||
ssize_t result = 0;
|
||||
(void)result;
|
||||
|
||||
/* Parse u8 digest[4] */
|
||||
CHECK_REMAINING(4, truncated);
|
||||
memcpy(obj->digest, ptr, 4);
|
||||
remaining -= 4; ptr += 4;
|
||||
trunnel_assert(ptr + remaining == input + len_in);
|
||||
return len_in - remaining;
|
||||
|
||||
truncated:
|
||||
return -2;
|
||||
}
|
||||
|
||||
ssize_t
|
||||
sendme_data_v1_parse(sendme_data_v1_t **output, const uint8_t *input, const size_t len_in)
|
||||
{
|
||||
ssize_t result;
|
||||
*output = sendme_data_v1_new();
|
||||
if (NULL == *output)
|
||||
return -1;
|
||||
result = sendme_data_v1_parse_into(*output, input, len_in);
|
||||
if (result < 0) {
|
||||
sendme_data_v1_free(*output);
|
||||
*output = NULL;
|
||||
}
|
||||
return result;
|
||||
}
|
170
src/trunnel/sendme.h
Normal file
170
src/trunnel/sendme.h
Normal file
@ -0,0 +1,170 @@
|
||||
/* sendme.h -- generated by Trunnel v1.5.2.
|
||||
* https://gitweb.torproject.org/trunnel.git
|
||||
* You probably shouldn't edit this file.
|
||||
*/
|
||||
#ifndef TRUNNEL_SENDME_H
|
||||
#define TRUNNEL_SENDME_H
|
||||
|
||||
#include <stdint.h>
|
||||
#include "trunnel.h"
|
||||
|
||||
#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SENDME_CELL)
|
||||
struct sendme_cell_st {
|
||||
uint8_t version;
|
||||
uint16_t data_len;
|
||||
TRUNNEL_DYNARRAY_HEAD(, uint8_t) data;
|
||||
uint8_t trunnel_error_code_;
|
||||
};
|
||||
#endif
|
||||
typedef struct sendme_cell_st sendme_cell_t;
|
||||
#if !defined(TRUNNEL_OPAQUE) && !defined(TRUNNEL_OPAQUE_SENDME_DATA_V1)
|
||||
struct sendme_data_v1_st {
|
||||
uint8_t digest[4];
|
||||
uint8_t trunnel_error_code_;
|
||||
};
|
||||
#endif
|
||||
typedef struct sendme_data_v1_st sendme_data_v1_t;
|
||||
/** Return a newly allocated sendme_cell with all elements set to
|
||||
* zero.
|
||||
*/
|
||||
sendme_cell_t *sendme_cell_new(void);
|
||||
/** Release all storage held by the sendme_cell in 'victim'. (Do
|
||||
* nothing if 'victim' is NULL.)
|
||||
*/
|
||||
void sendme_cell_free(sendme_cell_t *victim);
|
||||
/** Try to parse a sendme_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
|
||||
* sendme_cell_t. On failure, return -2 if the input appears
|
||||
* truncated, and -1 if the input is otherwise invalid.
|
||||
*/
|
||||
ssize_t sendme_cell_parse(sendme_cell_t **output, const uint8_t *input, const size_t len_in);
|
||||
/** Return the number of bytes we expect to need to encode the
|
||||
* sendme_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 sendme_cell_encoded_len(const sendme_cell_t *obj);
|
||||
/** Try to encode the sendme_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 sendme_cell_encode(uint8_t *output, size_t avail, const sendme_cell_t *input);
|
||||
/** Check whether the internal state of the sendme_cell in 'obj' is
|
||||
* consistent. Return NULL if it is, and a short message if it is not.
|
||||
*/
|
||||
const char *sendme_cell_check(const sendme_cell_t *obj);
|
||||
/** Clear any errors that were set on the object 'obj' by its setter
|
||||
* functions. Return true iff errors were cleared.
|
||||
*/
|
||||
int sendme_cell_clear_errors(sendme_cell_t *obj);
|
||||
/** Return the value of the version field of the sendme_cell_t in
|
||||
* 'inp'
|
||||
*/
|
||||
uint8_t sendme_cell_get_version(const sendme_cell_t *inp);
|
||||
/** Set the value of the version field of the sendme_cell_t in 'inp'
|
||||
* to 'val'. Return 0 on success; return -1 and set the error code on
|
||||
* 'inp' on failure.
|
||||
*/
|
||||
int sendme_cell_set_version(sendme_cell_t *inp, uint8_t val);
|
||||
/** Return the value of the data_len field of the sendme_cell_t in
|
||||
* 'inp'
|
||||
*/
|
||||
uint16_t sendme_cell_get_data_len(const sendme_cell_t *inp);
|
||||
/** Set the value of the data_len field of the sendme_cell_t in 'inp'
|
||||
* to 'val'. Return 0 on success; return -1 and set the error code on
|
||||
* 'inp' on failure.
|
||||
*/
|
||||
int sendme_cell_set_data_len(sendme_cell_t *inp, uint16_t val);
|
||||
/** Return the length of the dynamic array holding the data field of
|
||||
* the sendme_cell_t in 'inp'.
|
||||
*/
|
||||
size_t sendme_cell_getlen_data(const sendme_cell_t *inp);
|
||||
/** Return the element at position 'idx' of the dynamic array field
|
||||
* data of the sendme_cell_t in 'inp'.
|
||||
*/
|
||||
uint8_t sendme_cell_get_data(sendme_cell_t *inp, size_t idx);
|
||||
/** As sendme_cell_get_data, but take and return a const pointer
|
||||
*/
|
||||
uint8_t sendme_cell_getconst_data(const sendme_cell_t *inp, size_t idx);
|
||||
/** Change the element at position 'idx' of the dynamic array field
|
||||
* data of the sendme_cell_t in 'inp', so that it will hold the value
|
||||
* 'elt'.
|
||||
*/
|
||||
int sendme_cell_set_data(sendme_cell_t *inp, size_t idx, uint8_t elt);
|
||||
/** Append a new element 'elt' to the dynamic array field data of the
|
||||
* sendme_cell_t in 'inp'.
|
||||
*/
|
||||
int sendme_cell_add_data(sendme_cell_t *inp, uint8_t elt);
|
||||
/** Return a pointer to the variable-length array field data of 'inp'.
|
||||
*/
|
||||
uint8_t * sendme_cell_getarray_data(sendme_cell_t *inp);
|
||||
/** As sendme_cell_get_data, but take and return a const pointer
|
||||
*/
|
||||
const uint8_t * sendme_cell_getconstarray_data(const sendme_cell_t *inp);
|
||||
/** Change the length of the variable-length array field data 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 sendme_cell_setlen_data(sendme_cell_t *inp, size_t newlen);
|
||||
/** Return a newly allocated sendme_data_v1 with all elements set to
|
||||
* zero.
|
||||
*/
|
||||
sendme_data_v1_t *sendme_data_v1_new(void);
|
||||
/** Release all storage held by the sendme_data_v1 in 'victim'. (Do
|
||||
* nothing if 'victim' is NULL.)
|
||||
*/
|
||||
void sendme_data_v1_free(sendme_data_v1_t *victim);
|
||||
/** Try to parse a sendme_data_v1 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
|
||||
* sendme_data_v1_t. On failure, return -2 if the input appears
|
||||
* truncated, and -1 if the input is otherwise invalid.
|
||||
*/
|
||||
ssize_t sendme_data_v1_parse(sendme_data_v1_t **output, const uint8_t *input, const size_t len_in);
|
||||
/** Return the number of bytes we expect to need to encode the
|
||||
* sendme_data_v1 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 sendme_data_v1_encoded_len(const sendme_data_v1_t *obj);
|
||||
/** Try to encode the sendme_data_v1 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 sendme_data_v1_encode(uint8_t *output, size_t avail, const sendme_data_v1_t *input);
|
||||
/** Check whether the internal state of the sendme_data_v1 in 'obj' is
|
||||
* consistent. Return NULL if it is, and a short message if it is not.
|
||||
*/
|
||||
const char *sendme_data_v1_check(const sendme_data_v1_t *obj);
|
||||
/** Clear any errors that were set on the object 'obj' by its setter
|
||||
* functions. Return true iff errors were cleared.
|
||||
*/
|
||||
int sendme_data_v1_clear_errors(sendme_data_v1_t *obj);
|
||||
/** Return the (constant) length of the array holding the digest field
|
||||
* of the sendme_data_v1_t in 'inp'.
|
||||
*/
|
||||
size_t sendme_data_v1_getlen_digest(const sendme_data_v1_t *inp);
|
||||
/** Return the element at position 'idx' of the fixed array field
|
||||
* digest of the sendme_data_v1_t in 'inp'.
|
||||
*/
|
||||
uint8_t sendme_data_v1_get_digest(sendme_data_v1_t *inp, size_t idx);
|
||||
/** As sendme_data_v1_get_digest, but take and return a const pointer
|
||||
*/
|
||||
uint8_t sendme_data_v1_getconst_digest(const sendme_data_v1_t *inp, size_t idx);
|
||||
/** Change the element at position 'idx' of the fixed array field
|
||||
* digest of the sendme_data_v1_t in 'inp', so that it will hold the
|
||||
* value 'elt'.
|
||||
*/
|
||||
int sendme_data_v1_set_digest(sendme_data_v1_t *inp, size_t idx, uint8_t elt);
|
||||
/** Return a pointer to the 4-element array field digest of 'inp'.
|
||||
*/
|
||||
uint8_t * sendme_data_v1_getarray_digest(sendme_data_v1_t *inp);
|
||||
/** As sendme_data_v1_get_digest, but take and return a const pointer
|
||||
*/
|
||||
const uint8_t * sendme_data_v1_getconstarray_digest(const sendme_data_v1_t *inp);
|
||||
|
||||
|
||||
#endif
|
18
src/trunnel/sendme.trunnel
Normal file
18
src/trunnel/sendme.trunnel
Normal file
@ -0,0 +1,18 @@
|
||||
/* This file contains the SENDME cell definition. */
|
||||
|
||||
struct sendme_cell {
|
||||
/* Version field. */
|
||||
u8 version IN [0x00, 0x01];
|
||||
|
||||
/* The data content depends on the version. */
|
||||
u16 data_len;
|
||||
u8 data[data_len];
|
||||
}
|
||||
|
||||
/* SENDME version 0. No data. */
|
||||
|
||||
/* SENDME version 1. Authenticated with digest. */
|
||||
struct sendme_data_v1 {
|
||||
/* A 4 bytes digest. */
|
||||
u8 digest[4];
|
||||
}
|
Loading…
Reference in New Issue
Block a user