1 files changed, 492 insertions, 0 deletions
diff --git a/src/trunnel/sendme.c b/src/trunnel/sendme.c
new file mode 100644
index 0000000000..08f9ed5e91
--- /dev/null
+++ b/src/trunnel/sendme.c
@@ -0,0 +1,492 @@
+/* sendme.c -- generated by Trunnel v1.5.2.
+ * https://gitweb.torproject.org/trunnel.git
+ * You probably shouldn't edit this file.
+ */
+#include <stdlib.h>
+#include "trunnel-impl.h"
+
+#include "sendme.h"
+
+#define TRUNNEL_SET_ERROR_CODE(obj) \
+  do {                              \
+    (obj)->trunnel_error_code_ = 1; \
+  } while (0)
+
+#if defined(__COVERITY__) || defined(__clang_analyzer__)
+/* If we're running a static analysis tool, we don't want it to complain
+ * that some of our remaining-bytes checks are dead-code. */
+int sendme_deadcode_dummy__ = 0;
+#define OR_DEADCODE_DUMMY || sendme_deadcode_dummy__
+#else
+#define OR_DEADCODE_DUMMY
+#endif
+
+#define CHECK_REMAINING(nbytes, label)                           \
+  do {                                                           \
+    if (remaining < (nbytes) OR_DEADCODE_DUMMY) {                \
+      goto label;                                                \
+    }                                                            \
+  } while (0)
+
+sendme_cell_t *
+sendme_cell_new(void)
+{
+  sendme_cell_t *val = trunnel_calloc(1, sizeof(sendme_cell_t));
+  if (NULL == val)
+    return NULL;
+  return val;
+}
+
+/** Release all storage held inside 'obj', but do not free 'obj'.
+ */
+static void
+sendme_cell_clear(sendme_cell_t *obj)
+{
+  (void) obj;
+  TRUNNEL_DYNARRAY_WIPE(&obj->data);
+  TRUNNEL_DYNARRAY_CLEAR(&obj->data);
+}
+
+void
+sendme_cell_free(sendme_cell_t *obj)
+{
+  if (obj == NULL)
+    return;
+  sendme_cell_clear(obj);
+  trunnel_memwipe(obj, sizeof(sendme_cell_t));
+  trunnel_free_(obj);
+}
+
+uint8_t
+sendme_cell_get_version(const sendme_cell_t *inp)
+{
+  return inp->version;
+}
+int
+sendme_cell_set_version(sendme_cell_t *inp, uint8_t val)
+{
+  if (! ((val == 0 || val == 1))) {
+     TRUNNEL_SET_ERROR_CODE(inp);
+     return -1;
+  }
+  inp->version = val;
+  return 0;
+}
+uint16_t
+sendme_cell_get_data_len(const sendme_cell_t *inp)
+{
+  return inp->data_len;
+}
+int
+sendme_cell_set_data_len(sendme_cell_t *inp, uint16_t val)
+{
+  inp->data_len = val;
+  return 0;
+}
+size_t
+sendme_cell_getlen_data(const sendme_cell_t *inp)
+{
+  return TRUNNEL_DYNARRAY_LEN(&inp->data);
+}
+
+uint8_t
+sendme_cell_get_data(sendme_cell_t *inp, size_t idx)
+{
+  return TRUNNEL_DYNARRAY_GET(&inp->data, idx);
+}
+
+uint8_t
+sendme_cell_getconst_data(const sendme_cell_t *inp, size_t idx)
+{
+  return sendme_cell_get_data((sendme_cell_t*)inp, idx);
+}
+int
+sendme_cell_set_data(sendme_cell_t *inp, size_t idx, uint8_t elt)
+{
+  TRUNNEL_DYNARRAY_SET(&inp->data, idx, elt);
+  return 0;
+}
+int
+sendme_cell_add_data(sendme_cell_t *inp, uint8_t elt)
+{
+#if SIZE_MAX >= UINT16_MAX
+  if (inp->data.n_ == UINT16_MAX)
+    goto trunnel_alloc_failed;
+#endif
+  TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->data, elt, {});
+  return 0;
+ trunnel_alloc_failed:
+  TRUNNEL_SET_ERROR_CODE(inp);
+  return -1;
+}
+
+uint8_t *
+sendme_cell_getarray_data(sendme_cell_t *inp)
+{
+  return inp->data.elts_;
+}
+const uint8_t  *
+sendme_cell_getconstarray_data(const sendme_cell_t *inp)
+{
+  return (const uint8_t  *)sendme_cell_getarray_data((sendme_cell_t*)inp);
+}
+int
+sendme_cell_setlen_data(sendme_cell_t *inp, size_t newlen)
+{
+  uint8_t *newptr;
+#if UINT16_MAX < SIZE_MAX
+  if (newlen > UINT16_MAX)
+    goto trunnel_alloc_failed;
+#endif
+  newptr = trunnel_dynarray_setlen(&inp->data.allocated_,
+                 &inp->data.n_, inp->data.elts_, newlen,
+                 sizeof(inp->data.elts_[0]), (trunnel_free_fn_t) NULL,
+                 &inp->trunnel_error_code_);
+  if (newlen != 0 && newptr == NULL)
+    goto trunnel_alloc_failed;
+  inp->data.elts_ = newptr;
+  return 0;
+ trunnel_alloc_failed:
+  TRUNNEL_SET_ERROR_CODE(inp);
+  return -1;
+}
+const char *
+sendme_cell_check(const sendme_cell_t *obj)
+{
+  if (obj == NULL)
+    return "Object was NULL";
+  if (obj->trunnel_error_code_)
+    return "A set function failed on this object";
+  if (! (obj->version == 0 || obj->version == 1))
+    return "Integer out of bounds";
+  if (TRUNNEL_DYNARRAY_LEN(&obj->data) != obj->data_len)
+    return "Length mismatch for data";
+  return NULL;
+}
+
+ssize_t
+sendme_cell_encoded_len(const sendme_cell_t *obj)
+{
+  ssize_t result = 0;
+
+  if (NULL != sendme_cell_check(obj))
+     return -1;
+
+
+  /* Length of u8 version IN [0, 1] */
+  result += 1;
+
+  /* Length of u16 data_len */
+  result += 2;
+
+  /* Length of u8 data[data_len] */
+  result += TRUNNEL_DYNARRAY_LEN(&obj->data);
+  return result;
+}
+int
+sendme_cell_clear_errors(sendme_cell_t *obj)
+{
+  int r = obj->trunnel_error_code_;
+  obj->trunnel_error_code_ = 0;
+  return r;
+}
+ssize_t
+sendme_cell_encode(uint8_t *output, const size_t avail, const sendme_cell_t *obj)
+{
+  ssize_t result = 0;
+  size_t written = 0;
+  uint8_t *ptr = output;
+  const char *msg;
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  const ssize_t encoded_len = sendme_cell_encoded_len(obj);
+#endif
+
+  if (NULL != (msg = sendme_cell_check(obj)))
+    goto check_failed;
+
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  trunnel_assert(encoded_len >= 0);
+#endif
+
+  /* Encode u8 version IN [0, 1] */
+  trunnel_assert(written <= avail);
+  if (avail - written < 1)
+    goto truncated;
+  trunnel_set_uint8(ptr, (obj->version));
+  written += 1; ptr += 1;
+
+  /* Encode u16 data_len */
+  trunnel_assert(written <= avail);
+  if (avail - written < 2)
+    goto truncated;
+  trunnel_set_uint16(ptr, trunnel_htons(obj->data_len));
+  written += 2; ptr += 2;
+
+  /* Encode u8 data[data_len] */
+  {
+    size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->data);
+    trunnel_assert(obj->data_len == elt_len);
+    trunnel_assert(written <= avail);
+    if (avail - written < elt_len)
+      goto truncated;
+    if (elt_len)
+      memcpy(ptr, obj->data.elts_, elt_len);
+    written += elt_len; ptr += elt_len;
+  }
+
+
+  trunnel_assert(ptr == output + written);
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  {
+    trunnel_assert(encoded_len >= 0);
+    trunnel_assert((size_t)encoded_len == written);
+  }
+
+#endif
+
+  return written;
+
+ truncated:
+  result = -2;
+  goto fail;
+ check_failed:
+  (void)msg;
+  result = -1;
+  goto fail;
+ fail:
+  trunnel_assert(result < 0);
+  return result;
+}
+
+/** As sendme_cell_parse(), but do not allocate the output object.
+ */
+static ssize_t
+sendme_cell_parse_into(sendme_cell_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 version IN [0, 1] */
+  CHECK_REMAINING(1, truncated);
+  obj->version = (trunnel_get_uint8(ptr));
+  remaining -= 1; ptr += 1;
+  if (! (obj->version == 0 || obj->version == 1))
+    goto fail;
+
+  /* Parse u16 data_len */
+  CHECK_REMAINING(2, truncated);
+  obj->data_len = trunnel_ntohs(trunnel_get_uint16(ptr));
+  remaining -= 2; ptr += 2;
+
+  /* Parse u8 data[data_len] */
+  CHECK_REMAINING(obj->data_len, truncated);
+  TRUNNEL_DYNARRAY_EXPAND(uint8_t, &obj->data, obj->data_len, {});
+  obj->data.n_ = obj->data_len;
+  if (obj->data_len)
+    memcpy(obj->data.elts_, ptr, obj->data_len);
+  ptr += obj->data_len; remaining -= obj->data_len;
+  trunnel_assert(ptr + remaining == input + len_in);
+  return len_in - remaining;
+
+ truncated:
+  return -2;
+ trunnel_alloc_failed:
+  return -1;
+ fail:
+  result = -1;
+  return result;
+}
+
+ssize_t
+sendme_cell_parse(sendme_cell_t **output, const uint8_t *input, const size_t len_in)
+{
+  ssize_t result;
+  *output = sendme_cell_new();
+  if (NULL == *output)
+    return -1;
+  result = sendme_cell_parse_into(*output, input, len_in);
+  if (result < 0) {
+    sendme_cell_free(*output);
+    *output = NULL;
+  }
+  return result;
+}
+sendme_data_v1_t *
+sendme_data_v1_new(void)
+{
+  sendme_data_v1_t *val = trunnel_calloc(1, sizeof(sendme_data_v1_t));
+  if (NULL == val)
+    return NULL;
+  return val;
+}
+
+/** Release all storage held inside 'obj', but do not free 'obj'.
+ */
+static void
+sendme_data_v1_clear(sendme_data_v1_t *obj)
+{
+  (void) obj;
+}
+
+void
+sendme_data_v1_free(sendme_data_v1_t *obj)
+{
+  if (obj == NULL)
+    return;
+  sendme_data_v1_clear(obj);
+  trunnel_memwipe(obj, sizeof(sendme_data_v1_t));
+  trunnel_free_(obj);
+}
+
+size_t
+sendme_data_v1_getlen_digest(const sendme_data_v1_t *inp)
+{
+  (void)inp;  return 4;
+}
+
+uint8_t
+sendme_data_v1_get_digest(sendme_data_v1_t *inp, size_t idx)
+{
+  trunnel_assert(idx < 4);
+  return inp->digest[idx];
+}
+
+uint8_t
+sendme_data_v1_getconst_digest(const sendme_data_v1_t *inp, size_t idx)
+{
+  return sendme_data_v1_get_digest((sendme_data_v1_t*)inp, idx);
+}
+int
+sendme_data_v1_set_digest(sendme_data_v1_t *inp, size_t idx, uint8_t elt)
+{
+  trunnel_assert(idx < 4);
+  inp->digest[idx] = elt;
+  return 0;
+}
+
+uint8_t *
+sendme_data_v1_getarray_digest(sendme_data_v1_t *inp)
+{
+  return inp->digest;
+}
+const uint8_t  *
+sendme_data_v1_getconstarray_digest(const sendme_data_v1_t *inp)
+{
+  return (const uint8_t  *)sendme_data_v1_getarray_digest((sendme_data_v1_t*)inp);
+}
+const char *
+sendme_data_v1_check(const sendme_data_v1_t *obj)
+{
+  if (obj == NULL)
+    return "Object was NULL";
+  if (obj->trunnel_error_code_)
+    return "A set function failed on this object";
+  return NULL;
+}
+
+ssize_t
+sendme_data_v1_encoded_len(const sendme_data_v1_t *obj)
+{
+  ssize_t result = 0;
+
+  if (NULL != sendme_data_v1_check(obj))
+     return -1;
+
+
+  /* Length of u8 digest[4] */
+  result += 4;
+  return result;
+}
+int
+sendme_data_v1_clear_errors(sendme_data_v1_t *obj)
+{
+  int r = obj->trunnel_error_code_;
+  obj->trunnel_error_code_ = 0;
+  return r;
+}
+ssize_t
+sendme_data_v1_encode(uint8_t *output, const size_t avail, const sendme_data_v1_t *obj)
+{
+  ssize_t result = 0;
+  size_t written = 0;
+  uint8_t *ptr = output;
+  const char *msg;
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  const ssize_t encoded_len = sendme_data_v1_encoded_len(obj);
+#endif
+
+  if (NULL != (msg = sendme_data_v1_check(obj)))
+    goto check_failed;
+
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  trunnel_assert(encoded_len >= 0);
+#endif
+
+  /* Encode u8 digest[4] */
+  trunnel_assert(written <= avail);
+  if (avail - written < 4)
+    goto truncated;
+  memcpy(ptr, obj->digest, 4);
+  written += 4; ptr += 4;
+
+
+  trunnel_assert(ptr == output + written);
+#ifdef TRUNNEL_CHECK_ENCODED_LEN
+  {
+    trunnel_assert(encoded_len >= 0);
+    trunnel_assert((size_t)encoded_len == written);
+  }
+
+#endif
+
+  return written;
+
+ truncated:
+  result = -2;
+  goto fail;
+ check_failed:
+  (void)msg;
+  result = -1;
+  goto fail;
+ fail:
+  trunnel_assert(result < 0);
+  return result;
+}
+
+/** 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;
+}