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@@ -0,0 +1,292 @@
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+/* cell_rendezvous.c -- generated by Trunnel v1.5.1.
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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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+
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+#include "cell_rendezvous.h"
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+
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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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+
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+#if defined(__COVERITY__) || defined(__clang_analyzer__)
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+/* If we're runnning 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 cellrendezvous_deadcode_dummy__ = 0;
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+#define OR_DEADCODE_DUMMY || cellrendezvous_deadcode_dummy__
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+#else
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+#define OR_DEADCODE_DUMMY
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+#endif
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+
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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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+
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+trn_cell_rendezvous1_t *
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+trn_cell_rendezvous1_new(void)
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+{
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+ trn_cell_rendezvous1_t *val = trunnel_calloc(1, sizeof(trn_cell_rendezvous1_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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+
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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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+trn_cell_rendezvous1_clear(trn_cell_rendezvous1_t *obj)
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+{
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+ (void) obj;
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+ TRUNNEL_DYNARRAY_WIPE(&obj->handshake_info);
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+ TRUNNEL_DYNARRAY_CLEAR(&obj->handshake_info);
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+}
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+
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+void
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+trn_cell_rendezvous1_free(trn_cell_rendezvous1_t *obj)
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+{
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+ if (obj == NULL)
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+ return;
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+ trn_cell_rendezvous1_clear(obj);
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+ trunnel_memwipe(obj, sizeof(trn_cell_rendezvous1_t));
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+ trunnel_free_(obj);
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+}
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+
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+size_t
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+trn_cell_rendezvous1_getlen_rendezvous_cookie(const trn_cell_rendezvous1_t *inp)
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+{
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+ (void)inp; return TRUNNEL_REND_COOKIE_LEN;
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+}
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+
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+uint8_t
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+trn_cell_rendezvous1_get_rendezvous_cookie(trn_cell_rendezvous1_t *inp, size_t idx)
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+{
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+ trunnel_assert(idx < TRUNNEL_REND_COOKIE_LEN);
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+ return inp->rendezvous_cookie[idx];
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+}
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+
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+uint8_t
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+trn_cell_rendezvous1_getconst_rendezvous_cookie(const trn_cell_rendezvous1_t *inp, size_t idx)
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+{
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+ return trn_cell_rendezvous1_get_rendezvous_cookie((trn_cell_rendezvous1_t*)inp, idx);
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+}
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+int
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+trn_cell_rendezvous1_set_rendezvous_cookie(trn_cell_rendezvous1_t *inp, size_t idx, uint8_t elt)
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+{
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+ trunnel_assert(idx < TRUNNEL_REND_COOKIE_LEN);
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+ inp->rendezvous_cookie[idx] = elt;
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+ return 0;
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+}
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+
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+uint8_t *
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+trn_cell_rendezvous1_getarray_rendezvous_cookie(trn_cell_rendezvous1_t *inp)
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+{
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+ return inp->rendezvous_cookie;
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+}
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+const uint8_t *
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+trn_cell_rendezvous1_getconstarray_rendezvous_cookie(const trn_cell_rendezvous1_t *inp)
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+{
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+ return (const uint8_t *)trn_cell_rendezvous1_getarray_rendezvous_cookie((trn_cell_rendezvous1_t*)inp);
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+}
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+size_t
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+trn_cell_rendezvous1_getlen_handshake_info(const trn_cell_rendezvous1_t *inp)
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+{
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+ return TRUNNEL_DYNARRAY_LEN(&inp->handshake_info);
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+}
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+
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+uint8_t
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+trn_cell_rendezvous1_get_handshake_info(trn_cell_rendezvous1_t *inp, size_t idx)
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+{
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+ return TRUNNEL_DYNARRAY_GET(&inp->handshake_info, idx);
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+}
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+
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+uint8_t
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+trn_cell_rendezvous1_getconst_handshake_info(const trn_cell_rendezvous1_t *inp, size_t idx)
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+{
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+ return trn_cell_rendezvous1_get_handshake_info((trn_cell_rendezvous1_t*)inp, idx);
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+}
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+int
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+trn_cell_rendezvous1_set_handshake_info(trn_cell_rendezvous1_t *inp, size_t idx, uint8_t elt)
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+{
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+ TRUNNEL_DYNARRAY_SET(&inp->handshake_info, idx, elt);
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+ return 0;
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+}
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+int
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+trn_cell_rendezvous1_add_handshake_info(trn_cell_rendezvous1_t *inp, uint8_t elt)
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+{
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+ TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->handshake_info, 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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+
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+uint8_t *
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+trn_cell_rendezvous1_getarray_handshake_info(trn_cell_rendezvous1_t *inp)
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+{
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+ return inp->handshake_info.elts_;
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+}
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+const uint8_t *
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+trn_cell_rendezvous1_getconstarray_handshake_info(const trn_cell_rendezvous1_t *inp)
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+{
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+ return (const uint8_t *)trn_cell_rendezvous1_getarray_handshake_info((trn_cell_rendezvous1_t*)inp);
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+}
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+int
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+trn_cell_rendezvous1_setlen_handshake_info(trn_cell_rendezvous1_t *inp, size_t newlen)
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+{
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+ uint8_t *newptr;
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+ newptr = trunnel_dynarray_setlen(&inp->handshake_info.allocated_,
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+ &inp->handshake_info.n_, inp->handshake_info.elts_, newlen,
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+ sizeof(inp->handshake_info.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->handshake_info.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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+trn_cell_rendezvous1_check(const trn_cell_rendezvous1_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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+
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+ssize_t
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+trn_cell_rendezvous1_encoded_len(const trn_cell_rendezvous1_t *obj)
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+{
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+ ssize_t result = 0;
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+
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+ if (NULL != trn_cell_rendezvous1_check(obj))
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+ return -1;
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+
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+
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+ /* Length of u8 rendezvous_cookie[TRUNNEL_REND_COOKIE_LEN] */
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+ result += TRUNNEL_REND_COOKIE_LEN;
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+
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+ /* Length of u8 handshake_info[] */
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+ result += TRUNNEL_DYNARRAY_LEN(&obj->handshake_info);
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+ return result;
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+}
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+int
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+trn_cell_rendezvous1_clear_errors(trn_cell_rendezvous1_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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+trn_cell_rendezvous1_encode(uint8_t *output, const size_t avail, const trn_cell_rendezvous1_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 = trn_cell_rendezvous1_encoded_len(obj);
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+#endif
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+
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+ if (NULL != (msg = trn_cell_rendezvous1_check(obj)))
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+ goto check_failed;
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+
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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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+
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+ /* Encode u8 rendezvous_cookie[TRUNNEL_REND_COOKIE_LEN] */
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+ trunnel_assert(written <= avail);
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+ if (avail - written < TRUNNEL_REND_COOKIE_LEN)
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+ goto truncated;
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+ memcpy(ptr, obj->rendezvous_cookie, TRUNNEL_REND_COOKIE_LEN);
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+ written += TRUNNEL_REND_COOKIE_LEN; ptr += TRUNNEL_REND_COOKIE_LEN;
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+
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+ /* Encode u8 handshake_info[] */
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+ {
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+ size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->handshake_info);
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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->handshake_info.elts_, elt_len);
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+ written += elt_len; ptr += elt_len;
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+ }
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+
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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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+
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+#endif
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+
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+ return written;
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+
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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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+
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+/** As trn_cell_rendezvous1_parse(), but do not allocate the output
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+ * object.
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+ */
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+static ssize_t
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+trn_cell_rendezvous1_parse_into(trn_cell_rendezvous1_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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+
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+ /* Parse u8 rendezvous_cookie[TRUNNEL_REND_COOKIE_LEN] */
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+ CHECK_REMAINING(TRUNNEL_REND_COOKIE_LEN, truncated);
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+ memcpy(obj->rendezvous_cookie, ptr, TRUNNEL_REND_COOKIE_LEN);
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+ remaining -= TRUNNEL_REND_COOKIE_LEN; ptr += TRUNNEL_REND_COOKIE_LEN;
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+
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+ /* Parse u8 handshake_info[] */
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+ TRUNNEL_DYNARRAY_EXPAND(uint8_t, &obj->handshake_info, remaining, {});
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+ obj->handshake_info.n_ = remaining;
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+ if (remaining)
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+ memcpy(obj->handshake_info.elts_, ptr, remaining);
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+ ptr += remaining; remaining -= remaining;
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+ trunnel_assert(ptr + remaining == input + len_in);
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+ return len_in - remaining;
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+
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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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+}
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+
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+ssize_t
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+trn_cell_rendezvous1_parse(trn_cell_rendezvous1_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 = trn_cell_rendezvous1_new();
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+ if (NULL == *output)
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+ return -1;
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+ result = trn_cell_rendezvous1_parse_into(*output, input, len_in);
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+ if (result < 0) {
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+ trn_cell_rendezvous1_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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