diff options
Diffstat (limited to 'trunnel/stfe.c')
| -rw-r--r-- | trunnel/stfe.c | 3580 |
1 files changed, 0 insertions, 3580 deletions
diff --git a/trunnel/stfe.c b/trunnel/stfe.c deleted file mode 100644 index 7bf2652..0000000 --- a/trunnel/stfe.c +++ /dev/null @@ -1,3580 +0,0 @@ -/* stfe.c -- generated by Trunnel v1.5.3. - * https://gitweb.torproject.org/trunnel.git - * You probably shouldn't edit this file. - */ -#include <stdlib.h> -#include "trunnel-impl.h" - -#include "stfe.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 stfe_deadcode_dummy__ = 0; -#define OR_DEADCODE_DUMMY || stfe_deadcode_dummy__ -#else -#define OR_DEADCODE_DUMMY -#endif - -#define CHECK_REMAINING(nbytes, label) \ - do { \ - if (remaining < (nbytes) OR_DEADCODE_DUMMY) { \ - goto label; \ - } \ - } while (0) - -hash_t * -hash_new(void) -{ - hash_t *val = trunnel_calloc(1, sizeof(hash_t)); - if (NULL == val) - return NULL; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -hash_clear(hash_t *obj) -{ - (void) obj; -} - -void -hash_free(hash_t *obj) -{ - if (obj == NULL) - return; - hash_clear(obj); - trunnel_memwipe(obj, sizeof(hash_t)); - trunnel_free_(obj); -} - -size_t -hash_getlen_hash(const hash_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -hash_get_hash(hash_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->hash[idx]; -} - -uint8_t -hash_getconst_hash(const hash_t *inp, size_t idx) -{ - return hash_get_hash((hash_t*)inp, idx); -} -int -hash_set_hash(hash_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->hash[idx] = elt; - return 0; -} - -uint8_t * -hash_getarray_hash(hash_t *inp) -{ - return inp->hash; -} -const uint8_t * -hash_getconstarray_hash(const hash_t *inp) -{ - return (const uint8_t *)hash_getarray_hash((hash_t*)inp); -} -const char * -hash_check(const hash_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 -hash_encoded_len(const hash_t *obj) -{ - ssize_t result = 0; - - if (NULL != hash_check(obj)) - return -1; - - - /* Length of u8 hash[32] */ - result += 32; - return result; -} -int -hash_clear_errors(hash_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -hash_encode(uint8_t *output, const size_t avail, const hash_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 = hash_encoded_len(obj); -#endif - - if (NULL != (msg = hash_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u8 hash[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->hash, 32); - written += 32; ptr += 32; - - - 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 hash_parse(), but do not allocate the output object. - */ -static ssize_t -hash_parse_into(hash_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 hash[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->hash, ptr, 32); - remaining -= 32; ptr += 32; - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; -} - -ssize_t -hash_parse(hash_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = hash_new(); - if (NULL == *output) - return -1; - result = hash_parse_into(*output, input, len_in); - if (result < 0) { - hash_free(*output); - *output = NULL; - } - return result; -} -req_get_consistency_proof_v1_t * -req_get_consistency_proof_v1_new(void) -{ - req_get_consistency_proof_v1_t *val = trunnel_calloc(1, sizeof(req_get_consistency_proof_v1_t)); - if (NULL == val) - return NULL; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -req_get_consistency_proof_v1_clear(req_get_consistency_proof_v1_t *obj) -{ - (void) obj; -} - -void -req_get_consistency_proof_v1_free(req_get_consistency_proof_v1_t *obj) -{ - if (obj == NULL) - return; - req_get_consistency_proof_v1_clear(obj); - trunnel_memwipe(obj, sizeof(req_get_consistency_proof_v1_t)); - trunnel_free_(obj); -} - -uint64_t -req_get_consistency_proof_v1_get_old_size(const req_get_consistency_proof_v1_t *inp) -{ - return inp->old_size; -} -int -req_get_consistency_proof_v1_set_old_size(req_get_consistency_proof_v1_t *inp, uint64_t val) -{ - inp->old_size = val; - return 0; -} -uint64_t -req_get_consistency_proof_v1_get_new_size(const req_get_consistency_proof_v1_t *inp) -{ - return inp->new_size; -} -int -req_get_consistency_proof_v1_set_new_size(req_get_consistency_proof_v1_t *inp, uint64_t val) -{ - inp->new_size = val; - return 0; -} -const char * -req_get_consistency_proof_v1_check(const req_get_consistency_proof_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 -req_get_consistency_proof_v1_encoded_len(const req_get_consistency_proof_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != req_get_consistency_proof_v1_check(obj)) - return -1; - - - /* Length of u64 old_size */ - result += 8; - - /* Length of u64 new_size */ - result += 8; - return result; -} -int -req_get_consistency_proof_v1_clear_errors(req_get_consistency_proof_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -req_get_consistency_proof_v1_encode(uint8_t *output, const size_t avail, const req_get_consistency_proof_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 = req_get_consistency_proof_v1_encoded_len(obj); -#endif - - if (NULL != (msg = req_get_consistency_proof_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 old_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->old_size)); - written += 8; ptr += 8; - - /* Encode u64 new_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->new_size)); - written += 8; ptr += 8; - - - 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 req_get_consistency_proof_v1_parse(), but do not allocate the - * output object. - */ -static ssize_t -req_get_consistency_proof_v1_parse_into(req_get_consistency_proof_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 u64 old_size */ - CHECK_REMAINING(8, truncated); - obj->old_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 new_size */ - CHECK_REMAINING(8, truncated); - obj->new_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; -} - -ssize_t -req_get_consistency_proof_v1_parse(req_get_consistency_proof_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = req_get_consistency_proof_v1_new(); - if (NULL == *output) - return -1; - result = req_get_consistency_proof_v1_parse_into(*output, input, len_in); - if (result < 0) { - req_get_consistency_proof_v1_free(*output); - *output = NULL; - } - return result; -} -req_get_entries_v1_t * -req_get_entries_v1_new(void) -{ - req_get_entries_v1_t *val = trunnel_calloc(1, sizeof(req_get_entries_v1_t)); - if (NULL == val) - return NULL; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -req_get_entries_v1_clear(req_get_entries_v1_t *obj) -{ - (void) obj; -} - -void -req_get_entries_v1_free(req_get_entries_v1_t *obj) -{ - if (obj == NULL) - return; - req_get_entries_v1_clear(obj); - trunnel_memwipe(obj, sizeof(req_get_entries_v1_t)); - trunnel_free_(obj); -} - -uint64_t -req_get_entries_v1_get_start_size(const req_get_entries_v1_t *inp) -{ - return inp->start_size; -} -int -req_get_entries_v1_set_start_size(req_get_entries_v1_t *inp, uint64_t val) -{ - inp->start_size = val; - return 0; -} -uint64_t -req_get_entries_v1_get_end_size(const req_get_entries_v1_t *inp) -{ - return inp->end_size; -} -int -req_get_entries_v1_set_end_size(req_get_entries_v1_t *inp, uint64_t val) -{ - inp->end_size = val; - return 0; -} -const char * -req_get_entries_v1_check(const req_get_entries_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 -req_get_entries_v1_encoded_len(const req_get_entries_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != req_get_entries_v1_check(obj)) - return -1; - - - /* Length of u64 start_size */ - result += 8; - - /* Length of u64 end_size */ - result += 8; - return result; -} -int -req_get_entries_v1_clear_errors(req_get_entries_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -req_get_entries_v1_encode(uint8_t *output, const size_t avail, const req_get_entries_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 = req_get_entries_v1_encoded_len(obj); -#endif - - if (NULL != (msg = req_get_entries_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 start_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->start_size)); - written += 8; ptr += 8; - - /* Encode u64 end_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->end_size)); - written += 8; ptr += 8; - - - 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 req_get_entries_v1_parse(), but do not allocate the output - * object. - */ -static ssize_t -req_get_entries_v1_parse_into(req_get_entries_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 u64 start_size */ - CHECK_REMAINING(8, truncated); - obj->start_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 end_size */ - CHECK_REMAINING(8, truncated); - obj->end_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; -} - -ssize_t -req_get_entries_v1_parse(req_get_entries_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = req_get_entries_v1_new(); - if (NULL == *output) - return -1; - result = req_get_entries_v1_parse_into(*output, input, len_in); - if (result < 0) { - req_get_entries_v1_free(*output); - *output = NULL; - } - return result; -} -req_get_proof_by_hash_v1_t * -req_get_proof_by_hash_v1_new(void) -{ - req_get_proof_by_hash_v1_t *val = trunnel_calloc(1, sizeof(req_get_proof_by_hash_v1_t)); - if (NULL == val) - return NULL; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -req_get_proof_by_hash_v1_clear(req_get_proof_by_hash_v1_t *obj) -{ - (void) obj; -} - -void -req_get_proof_by_hash_v1_free(req_get_proof_by_hash_v1_t *obj) -{ - if (obj == NULL) - return; - req_get_proof_by_hash_v1_clear(obj); - trunnel_memwipe(obj, sizeof(req_get_proof_by_hash_v1_t)); - trunnel_free_(obj); -} - -uint64_t -req_get_proof_by_hash_v1_get_tree_size(const req_get_proof_by_hash_v1_t *inp) -{ - return inp->tree_size; -} -int -req_get_proof_by_hash_v1_set_tree_size(req_get_proof_by_hash_v1_t *inp, uint64_t val) -{ - inp->tree_size = val; - return 0; -} -size_t -req_get_proof_by_hash_v1_getlen_leaf_hash(const req_get_proof_by_hash_v1_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -req_get_proof_by_hash_v1_get_leaf_hash(req_get_proof_by_hash_v1_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->leaf_hash[idx]; -} - -uint8_t -req_get_proof_by_hash_v1_getconst_leaf_hash(const req_get_proof_by_hash_v1_t *inp, size_t idx) -{ - return req_get_proof_by_hash_v1_get_leaf_hash((req_get_proof_by_hash_v1_t*)inp, idx); -} -int -req_get_proof_by_hash_v1_set_leaf_hash(req_get_proof_by_hash_v1_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->leaf_hash[idx] = elt; - return 0; -} - -uint8_t * -req_get_proof_by_hash_v1_getarray_leaf_hash(req_get_proof_by_hash_v1_t *inp) -{ - return inp->leaf_hash; -} -const uint8_t * -req_get_proof_by_hash_v1_getconstarray_leaf_hash(const req_get_proof_by_hash_v1_t *inp) -{ - return (const uint8_t *)req_get_proof_by_hash_v1_getarray_leaf_hash((req_get_proof_by_hash_v1_t*)inp); -} -const char * -req_get_proof_by_hash_v1_check(const req_get_proof_by_hash_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 -req_get_proof_by_hash_v1_encoded_len(const req_get_proof_by_hash_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != req_get_proof_by_hash_v1_check(obj)) - return -1; - - - /* Length of u64 tree_size */ - result += 8; - - /* Length of u8 leaf_hash[32] */ - result += 32; - return result; -} -int -req_get_proof_by_hash_v1_clear_errors(req_get_proof_by_hash_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -req_get_proof_by_hash_v1_encode(uint8_t *output, const size_t avail, const req_get_proof_by_hash_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 = req_get_proof_by_hash_v1_encoded_len(obj); -#endif - - if (NULL != (msg = req_get_proof_by_hash_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 tree_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->tree_size)); - written += 8; ptr += 8; - - /* Encode u8 leaf_hash[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->leaf_hash, 32); - written += 32; ptr += 32; - - - 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 req_get_proof_by_hash_v1_parse(), but do not allocate the - * output object. - */ -static ssize_t -req_get_proof_by_hash_v1_parse_into(req_get_proof_by_hash_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 u64 tree_size */ - CHECK_REMAINING(8, truncated); - obj->tree_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u8 leaf_hash[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->leaf_hash, ptr, 32); - remaining -= 32; ptr += 32; - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; -} - -ssize_t -req_get_proof_by_hash_v1_parse(req_get_proof_by_hash_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = req_get_proof_by_hash_v1_new(); - if (NULL == *output) - return -1; - result = req_get_proof_by_hash_v1_parse_into(*output, input, len_in); - if (result < 0) { - req_get_proof_by_hash_v1_free(*output); - *output = NULL; - } - return result; -} -sigident_ed25519_t * -sigident_ed25519_new(void) -{ - sigident_ed25519_t *val = trunnel_calloc(1, sizeof(sigident_ed25519_t)); - if (NULL == val) - return NULL; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -sigident_ed25519_clear(sigident_ed25519_t *obj) -{ - (void) obj; -} - -void -sigident_ed25519_free(sigident_ed25519_t *obj) -{ - if (obj == NULL) - return; - sigident_ed25519_clear(obj); - trunnel_memwipe(obj, sizeof(sigident_ed25519_t)); - trunnel_free_(obj); -} - -size_t -sigident_ed25519_getlen_signature(const sigident_ed25519_t *inp) -{ - (void)inp; return 64; -} - -uint8_t -sigident_ed25519_get_signature(sigident_ed25519_t *inp, size_t idx) -{ - trunnel_assert(idx < 64); - return inp->signature[idx]; -} - -uint8_t -sigident_ed25519_getconst_signature(const sigident_ed25519_t *inp, size_t idx) -{ - return sigident_ed25519_get_signature((sigident_ed25519_t*)inp, idx); -} -int -sigident_ed25519_set_signature(sigident_ed25519_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 64); - inp->signature[idx] = elt; - return 0; -} - -uint8_t * -sigident_ed25519_getarray_signature(sigident_ed25519_t *inp) -{ - return inp->signature; -} -const uint8_t * -sigident_ed25519_getconstarray_signature(const sigident_ed25519_t *inp) -{ - return (const uint8_t *)sigident_ed25519_getarray_signature((sigident_ed25519_t*)inp); -} -size_t -sigident_ed25519_getlen_identifier(const sigident_ed25519_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -sigident_ed25519_get_identifier(sigident_ed25519_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->identifier[idx]; -} - -uint8_t -sigident_ed25519_getconst_identifier(const sigident_ed25519_t *inp, size_t idx) -{ - return sigident_ed25519_get_identifier((sigident_ed25519_t*)inp, idx); -} -int -sigident_ed25519_set_identifier(sigident_ed25519_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->identifier[idx] = elt; - return 0; -} - -uint8_t * -sigident_ed25519_getarray_identifier(sigident_ed25519_t *inp) -{ - return inp->identifier; -} -const uint8_t * -sigident_ed25519_getconstarray_identifier(const sigident_ed25519_t *inp) -{ - return (const uint8_t *)sigident_ed25519_getarray_identifier((sigident_ed25519_t*)inp); -} -const char * -sigident_ed25519_check(const sigident_ed25519_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 -sigident_ed25519_encoded_len(const sigident_ed25519_t *obj) -{ - ssize_t result = 0; - - if (NULL != sigident_ed25519_check(obj)) - return -1; - - - /* Length of u8 signature[64] */ - result += 64; - - /* Length of u8 identifier[32] */ - result += 32; - return result; -} -int -sigident_ed25519_clear_errors(sigident_ed25519_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -sigident_ed25519_encode(uint8_t *output, const size_t avail, const sigident_ed25519_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 = sigident_ed25519_encoded_len(obj); -#endif - - if (NULL != (msg = sigident_ed25519_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u8 signature[64] */ - trunnel_assert(written <= avail); - if (avail - written < 64) - goto truncated; - memcpy(ptr, obj->signature, 64); - written += 64; ptr += 64; - - /* Encode u8 identifier[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->identifier, 32); - written += 32; ptr += 32; - - - 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 sigident_ed25519_parse(), but do not allocate the output - * object. - */ -static ssize_t -sigident_ed25519_parse_into(sigident_ed25519_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 signature[64] */ - CHECK_REMAINING(64, truncated); - memcpy(obj->signature, ptr, 64); - remaining -= 64; ptr += 64; - - /* Parse u8 identifier[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->identifier, ptr, 32); - remaining -= 32; ptr += 32; - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; -} - -ssize_t -sigident_ed25519_parse(sigident_ed25519_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = sigident_ed25519_new(); - if (NULL == *output) - return -1; - result = sigident_ed25519_parse_into(*output, input, len_in); - if (result < 0) { - sigident_ed25519_free(*output); - *output = NULL; - } - return result; -} -signed_checksum32_ed25519_t * -signed_checksum32_ed25519_new(void) -{ - signed_checksum32_ed25519_t *val = trunnel_calloc(1, sizeof(signed_checksum32_ed25519_t)); - if (NULL == val) - return NULL; - val->length = 1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -signed_checksum32_ed25519_clear(signed_checksum32_ed25519_t *obj) -{ - (void) obj; - TRUNNEL_DYNARRAY_WIPE(&obj->identifier); - TRUNNEL_DYNARRAY_CLEAR(&obj->identifier); -} - -void -signed_checksum32_ed25519_free(signed_checksum32_ed25519_t *obj) -{ - if (obj == NULL) - return; - signed_checksum32_ed25519_clear(obj); - trunnel_memwipe(obj, sizeof(signed_checksum32_ed25519_t)); - trunnel_free_(obj); -} - -size_t -signed_checksum32_ed25519_getlen_checksum(const signed_checksum32_ed25519_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -signed_checksum32_ed25519_get_checksum(signed_checksum32_ed25519_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->checksum[idx]; -} - -uint8_t -signed_checksum32_ed25519_getconst_checksum(const signed_checksum32_ed25519_t *inp, size_t idx) -{ - return signed_checksum32_ed25519_get_checksum((signed_checksum32_ed25519_t*)inp, idx); -} -int -signed_checksum32_ed25519_set_checksum(signed_checksum32_ed25519_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->checksum[idx] = elt; - return 0; -} - -uint8_t * -signed_checksum32_ed25519_getarray_checksum(signed_checksum32_ed25519_t *inp) -{ - return inp->checksum; -} -const uint8_t * -signed_checksum32_ed25519_getconstarray_checksum(const signed_checksum32_ed25519_t *inp) -{ - return (const uint8_t *)signed_checksum32_ed25519_getarray_checksum((signed_checksum32_ed25519_t*)inp); -} -uint64_t -signed_checksum32_ed25519_get_length(const signed_checksum32_ed25519_t *inp) -{ - return inp->length; -} -int -signed_checksum32_ed25519_set_length(signed_checksum32_ed25519_t *inp, uint64_t val) -{ - if (! (((val >= 1 && val <= 128)))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->length = val; - return 0; -} -size_t -signed_checksum32_ed25519_getlen_identifier(const signed_checksum32_ed25519_t *inp) -{ - return TRUNNEL_DYNARRAY_LEN(&inp->identifier); -} - -uint8_t -signed_checksum32_ed25519_get_identifier(signed_checksum32_ed25519_t *inp, size_t idx) -{ - return TRUNNEL_DYNARRAY_GET(&inp->identifier, idx); -} - -uint8_t -signed_checksum32_ed25519_getconst_identifier(const signed_checksum32_ed25519_t *inp, size_t idx) -{ - return signed_checksum32_ed25519_get_identifier((signed_checksum32_ed25519_t*)inp, idx); -} -int -signed_checksum32_ed25519_set_identifier(signed_checksum32_ed25519_t *inp, size_t idx, uint8_t elt) -{ - TRUNNEL_DYNARRAY_SET(&inp->identifier, idx, elt); - return 0; -} -int -signed_checksum32_ed25519_add_identifier(signed_checksum32_ed25519_t *inp, uint8_t elt) -{ -#if SIZE_MAX >= UINT64_MAX - if (inp->identifier.n_ == UINT64_MAX) - goto trunnel_alloc_failed; -#endif - TRUNNEL_DYNARRAY_ADD(uint8_t, &inp->identifier, elt, {}); - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} - -uint8_t * -signed_checksum32_ed25519_getarray_identifier(signed_checksum32_ed25519_t *inp) -{ - return inp->identifier.elts_; -} -const uint8_t * -signed_checksum32_ed25519_getconstarray_identifier(const signed_checksum32_ed25519_t *inp) -{ - return (const uint8_t *)signed_checksum32_ed25519_getarray_identifier((signed_checksum32_ed25519_t*)inp); -} -int -signed_checksum32_ed25519_setlen_identifier(signed_checksum32_ed25519_t *inp, size_t newlen) -{ - uint8_t *newptr; -#if UINT64_MAX < SIZE_MAX - if (newlen > UINT64_MAX) - goto trunnel_alloc_failed; -#endif - newptr = trunnel_dynarray_setlen(&inp->identifier.allocated_, - &inp->identifier.n_, inp->identifier.elts_, newlen, - sizeof(inp->identifier.elts_[0]), (trunnel_free_fn_t) NULL, - &inp->trunnel_error_code_); - if (newlen != 0 && newptr == NULL) - goto trunnel_alloc_failed; - inp->identifier.elts_ = newptr; - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} -size_t -signed_checksum32_ed25519_getlen_signature(const signed_checksum32_ed25519_t *inp) -{ - (void)inp; return 64; -} - -uint8_t -signed_checksum32_ed25519_get_signature(signed_checksum32_ed25519_t *inp, size_t idx) -{ - trunnel_assert(idx < 64); - return inp->signature[idx]; -} - -uint8_t -signed_checksum32_ed25519_getconst_signature(const signed_checksum32_ed25519_t *inp, size_t idx) -{ - return signed_checksum32_ed25519_get_signature((signed_checksum32_ed25519_t*)inp, idx); -} -int -signed_checksum32_ed25519_set_signature(signed_checksum32_ed25519_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 64); - inp->signature[idx] = elt; - return 0; -} - -uint8_t * -signed_checksum32_ed25519_getarray_signature(signed_checksum32_ed25519_t *inp) -{ - return inp->signature; -} -const uint8_t * -signed_checksum32_ed25519_getconstarray_signature(const signed_checksum32_ed25519_t *inp) -{ - return (const uint8_t *)signed_checksum32_ed25519_getarray_signature((signed_checksum32_ed25519_t*)inp); -} -size_t -signed_checksum32_ed25519_getlen_namespace(const signed_checksum32_ed25519_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -signed_checksum32_ed25519_get_namespace(signed_checksum32_ed25519_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->namespace[idx]; -} - -uint8_t -signed_checksum32_ed25519_getconst_namespace(const signed_checksum32_ed25519_t *inp, size_t idx) -{ - return signed_checksum32_ed25519_get_namespace((signed_checksum32_ed25519_t*)inp, idx); -} -int -signed_checksum32_ed25519_set_namespace(signed_checksum32_ed25519_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->namespace[idx] = elt; - return 0; -} - -uint8_t * -signed_checksum32_ed25519_getarray_namespace(signed_checksum32_ed25519_t *inp) -{ - return inp->namespace; -} -const uint8_t * -signed_checksum32_ed25519_getconstarray_namespace(const signed_checksum32_ed25519_t *inp) -{ - return (const uint8_t *)signed_checksum32_ed25519_getarray_namespace((signed_checksum32_ed25519_t*)inp); -} -const char * -signed_checksum32_ed25519_check(const signed_checksum32_ed25519_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! ((obj->length >= 1 && obj->length <= 128))) - return "Integer out of bounds"; - if (TRUNNEL_DYNARRAY_LEN(&obj->identifier) != obj->length) - return "Length mismatch for identifier"; - return NULL; -} - -ssize_t -signed_checksum32_ed25519_encoded_len(const signed_checksum32_ed25519_t *obj) -{ - ssize_t result = 0; - - if (NULL != signed_checksum32_ed25519_check(obj)) - return -1; - - - /* Length of u8 checksum[32] */ - result += 32; - - /* Length of u64 length IN [1..128] */ - result += 8; - - /* Length of u8 identifier[length] */ - result += TRUNNEL_DYNARRAY_LEN(&obj->identifier); - - /* Length of u8 signature[64] */ - result += 64; - - /* Length of u8 namespace[32] */ - result += 32; - return result; -} -int -signed_checksum32_ed25519_clear_errors(signed_checksum32_ed25519_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -signed_checksum32_ed25519_encode(uint8_t *output, const size_t avail, const signed_checksum32_ed25519_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 = signed_checksum32_ed25519_encoded_len(obj); -#endif - - if (NULL != (msg = signed_checksum32_ed25519_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u8 checksum[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->checksum, 32); - written += 32; ptr += 32; - - /* Encode u64 length IN [1..128] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->length)); - written += 8; ptr += 8; - - /* Encode u8 identifier[length] */ - { - size_t elt_len = TRUNNEL_DYNARRAY_LEN(&obj->identifier); - trunnel_assert(obj->length == elt_len); - trunnel_assert(written <= avail); - if (avail - written < elt_len) - goto truncated; - if (elt_len) - memcpy(ptr, obj->identifier.elts_, elt_len); - written += elt_len; ptr += elt_len; - } - - /* Encode u8 signature[64] */ - trunnel_assert(written <= avail); - if (avail - written < 64) - goto truncated; - memcpy(ptr, obj->signature, 64); - written += 64; ptr += 64; - - /* Encode u8 namespace[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->namespace, 32); - written += 32; ptr += 32; - - - 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 signed_checksum32_ed25519_parse(), but do not allocate the - * output object. - */ -static ssize_t -signed_checksum32_ed25519_parse_into(signed_checksum32_ed25519_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 checksum[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->checksum, ptr, 32); - remaining -= 32; ptr += 32; - - /* Parse u64 length IN [1..128] */ - CHECK_REMAINING(8, truncated); - obj->length = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! ((obj->length >= 1 && obj->length <= 128))) - goto fail; - - /* Parse u8 identifier[length] */ - CHECK_REMAINING(obj->length, truncated); - TRUNNEL_DYNARRAY_EXPAND(uint8_t, &obj->identifier, obj->length, {}); - obj->identifier.n_ = obj->length; - if (obj->length) - memcpy(obj->identifier.elts_, ptr, obj->length); - ptr += obj->length; remaining -= obj->length; - - /* Parse u8 signature[64] */ - CHECK_REMAINING(64, truncated); - memcpy(obj->signature, ptr, 64); - remaining -= 64; ptr += 64; - - /* Parse u8 namespace[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->namespace, ptr, 32); - remaining -= 32; ptr += 32; - 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 -signed_checksum32_ed25519_parse(signed_checksum32_ed25519_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = signed_checksum32_ed25519_new(); - if (NULL == *output) - return -1; - result = signed_checksum32_ed25519_parse_into(*output, input, len_in); - if (result < 0) { - signed_checksum32_ed25519_free(*output); - *output = NULL; - } - return result; -} -consistency_proof_v1_t * -consistency_proof_v1_new(void) -{ - consistency_proof_v1_t *val = trunnel_calloc(1, sizeof(consistency_proof_v1_t)); - if (NULL == val) - return NULL; - val->magic = MAGIC_V1; - val->format = T_CONSISTENCY_PROOF_V1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -consistency_proof_v1_clear(consistency_proof_v1_t *obj) -{ - (void) obj; - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - hash_free(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - } - } - TRUNNEL_DYNARRAY_WIPE(&obj->hashes); - TRUNNEL_DYNARRAY_CLEAR(&obj->hashes); -} - -void -consistency_proof_v1_free(consistency_proof_v1_t *obj) -{ - if (obj == NULL) - return; - consistency_proof_v1_clear(obj); - trunnel_memwipe(obj, sizeof(consistency_proof_v1_t)); - trunnel_free_(obj); -} - -uint64_t -consistency_proof_v1_get_magic(const consistency_proof_v1_t *inp) -{ - return inp->magic; -} -int -consistency_proof_v1_set_magic(consistency_proof_v1_t *inp, uint64_t val) -{ - if (! ((val == MAGIC_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->magic = val; - return 0; -} -uint64_t -consistency_proof_v1_get_format(const consistency_proof_v1_t *inp) -{ - return inp->format; -} -int -consistency_proof_v1_set_format(consistency_proof_v1_t *inp, uint64_t val) -{ - if (! ((val == T_CONSISTENCY_PROOF_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->format = val; - return 0; -} -size_t -consistency_proof_v1_getlen_identifier(const consistency_proof_v1_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -consistency_proof_v1_get_identifier(consistency_proof_v1_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->identifier[idx]; -} - -uint8_t -consistency_proof_v1_getconst_identifier(const consistency_proof_v1_t *inp, size_t idx) -{ - return consistency_proof_v1_get_identifier((consistency_proof_v1_t*)inp, idx); -} -int -consistency_proof_v1_set_identifier(consistency_proof_v1_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->identifier[idx] = elt; - return 0; -} - -uint8_t * -consistency_proof_v1_getarray_identifier(consistency_proof_v1_t *inp) -{ - return inp->identifier; -} -const uint8_t * -consistency_proof_v1_getconstarray_identifier(const consistency_proof_v1_t *inp) -{ - return (const uint8_t *)consistency_proof_v1_getarray_identifier((consistency_proof_v1_t*)inp); -} -uint64_t -consistency_proof_v1_get_old_size(const consistency_proof_v1_t *inp) -{ - return inp->old_size; -} -int -consistency_proof_v1_set_old_size(consistency_proof_v1_t *inp, uint64_t val) -{ - inp->old_size = val; - return 0; -} -uint64_t -consistency_proof_v1_get_new_size(const consistency_proof_v1_t *inp) -{ - return inp->new_size; -} -int -consistency_proof_v1_set_new_size(consistency_proof_v1_t *inp, uint64_t val) -{ - inp->new_size = val; - return 0; -} -uint64_t -consistency_proof_v1_get_n_items(const consistency_proof_v1_t *inp) -{ - return inp->n_items; -} -int -consistency_proof_v1_set_n_items(consistency_proof_v1_t *inp, uint64_t val) -{ - inp->n_items = val; - return 0; -} -size_t -consistency_proof_v1_getlen_hashes(const consistency_proof_v1_t *inp) -{ - return TRUNNEL_DYNARRAY_LEN(&inp->hashes); -} - -struct hash_st * -consistency_proof_v1_get_hashes(consistency_proof_v1_t *inp, size_t idx) -{ - return TRUNNEL_DYNARRAY_GET(&inp->hashes, idx); -} - - const struct hash_st * -consistency_proof_v1_getconst_hashes(const consistency_proof_v1_t *inp, size_t idx) -{ - return consistency_proof_v1_get_hashes((consistency_proof_v1_t*)inp, idx); -} -int -consistency_proof_v1_set_hashes(consistency_proof_v1_t *inp, size_t idx, struct hash_st * elt) -{ - hash_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->hashes, idx); - if (oldval && oldval != elt) - hash_free(oldval); - return consistency_proof_v1_set0_hashes(inp, idx, elt); -} -int -consistency_proof_v1_set0_hashes(consistency_proof_v1_t *inp, size_t idx, struct hash_st * elt) -{ - TRUNNEL_DYNARRAY_SET(&inp->hashes, idx, elt); - return 0; -} -int -consistency_proof_v1_add_hashes(consistency_proof_v1_t *inp, struct hash_st * elt) -{ -#if SIZE_MAX >= UINT64_MAX - if (inp->hashes.n_ == UINT64_MAX) - goto trunnel_alloc_failed; -#endif - TRUNNEL_DYNARRAY_ADD(struct hash_st *, &inp->hashes, elt, {}); - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} - -struct hash_st * * -consistency_proof_v1_getarray_hashes(consistency_proof_v1_t *inp) -{ - return inp->hashes.elts_; -} -const struct hash_st * const * -consistency_proof_v1_getconstarray_hashes(const consistency_proof_v1_t *inp) -{ - return (const struct hash_st * const *)consistency_proof_v1_getarray_hashes((consistency_proof_v1_t*)inp); -} -int -consistency_proof_v1_setlen_hashes(consistency_proof_v1_t *inp, size_t newlen) -{ - struct hash_st * *newptr; -#if UINT64_MAX < SIZE_MAX - if (newlen > UINT64_MAX) - goto trunnel_alloc_failed; -#endif - newptr = trunnel_dynarray_setlen(&inp->hashes.allocated_, - &inp->hashes.n_, inp->hashes.elts_, newlen, - sizeof(inp->hashes.elts_[0]), (trunnel_free_fn_t) hash_free, - &inp->trunnel_error_code_); - if (newlen != 0 && newptr == NULL) - goto trunnel_alloc_failed; - inp->hashes.elts_ = newptr; - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} -const char * -consistency_proof_v1_check(const consistency_proof_v1_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! (obj->magic == MAGIC_V1)) - return "Integer out of bounds"; - if (! (obj->format == T_CONSISTENCY_PROOF_V1)) - return "Integer out of bounds"; - { - const char *msg; - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - if (NULL != (msg = hash_check(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)))) - return msg; - } - } - if (TRUNNEL_DYNARRAY_LEN(&obj->hashes) != obj->n_items) - return "Length mismatch for hashes"; - return NULL; -} - -ssize_t -consistency_proof_v1_encoded_len(const consistency_proof_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != consistency_proof_v1_check(obj)) - return -1; - - - /* Length of u64 magic IN [MAGIC_V1] */ - result += 8; - - /* Length of u64 format IN [T_CONSISTENCY_PROOF_V1] */ - result += 8; - - /* Length of u8 identifier[32] */ - result += 32; - - /* Length of u64 old_size */ - result += 8; - - /* Length of u64 new_size */ - result += 8; - - /* Length of u64 n_items */ - result += 8; - - /* Length of struct hash hashes[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - result += hash_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - } - } - return result; -} -int -consistency_proof_v1_clear_errors(consistency_proof_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -consistency_proof_v1_encode(uint8_t *output, const size_t avail, const consistency_proof_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 = consistency_proof_v1_encoded_len(obj); -#endif - - if (NULL != (msg = consistency_proof_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 magic IN [MAGIC_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->magic)); - written += 8; ptr += 8; - - /* Encode u64 format IN [T_CONSISTENCY_PROOF_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->format)); - written += 8; ptr += 8; - - /* Encode u8 identifier[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->identifier, 32); - written += 32; ptr += 32; - - /* Encode u64 old_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->old_size)); - written += 8; ptr += 8; - - /* Encode u64 new_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->new_size)); - written += 8; ptr += 8; - - /* Encode u64 n_items */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->n_items)); - written += 8; ptr += 8; - - /* Encode struct hash hashes[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - trunnel_assert(written <= avail); - result = hash_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - } - } - - - 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 consistency_proof_v1_parse(), but do not allocate the output - * object. - */ -static ssize_t -consistency_proof_v1_parse_into(consistency_proof_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 u64 magic IN [MAGIC_V1] */ - CHECK_REMAINING(8, truncated); - obj->magic = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->magic == MAGIC_V1)) - goto fail; - - /* Parse u64 format IN [T_CONSISTENCY_PROOF_V1] */ - CHECK_REMAINING(8, truncated); - obj->format = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->format == T_CONSISTENCY_PROOF_V1)) - goto fail; - - /* Parse u8 identifier[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->identifier, ptr, 32); - remaining -= 32; ptr += 32; - - /* Parse u64 old_size */ - CHECK_REMAINING(8, truncated); - obj->old_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 new_size */ - CHECK_REMAINING(8, truncated); - obj->new_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 n_items */ - CHECK_REMAINING(8, truncated); - obj->n_items = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse struct hash hashes[n_items] */ - TRUNNEL_DYNARRAY_EXPAND(hash_t *, &obj->hashes, obj->n_items, {}); - { - hash_t * elt; - unsigned idx; - for (idx = 0; idx < obj->n_items; ++idx) { - result = hash_parse(&elt, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - TRUNNEL_DYNARRAY_ADD(hash_t *, &obj->hashes, elt, {hash_free(elt);}); - } - } - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; - relay_fail: - trunnel_assert(result < 0); - return result; - trunnel_alloc_failed: - return -1; - fail: - result = -1; - return result; -} - -ssize_t -consistency_proof_v1_parse(consistency_proof_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = consistency_proof_v1_new(); - if (NULL == *output) - return -1; - result = consistency_proof_v1_parse_into(*output, input, len_in); - if (result < 0) { - consistency_proof_v1_free(*output); - *output = NULL; - } - return result; -} -entries_v1_t * -entries_v1_new(void) -{ - entries_v1_t *val = trunnel_calloc(1, sizeof(entries_v1_t)); - if (NULL == val) - return NULL; - val->magic = MAGIC_V1; - val->format = T_ENTRIES_V1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -entries_v1_clear(entries_v1_t *obj) -{ - (void) obj; - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->checksums); ++idx) { - signed_checksum32_ed25519_free(TRUNNEL_DYNARRAY_GET(&obj->checksums, idx)); - } - } - TRUNNEL_DYNARRAY_WIPE(&obj->checksums); - TRUNNEL_DYNARRAY_CLEAR(&obj->checksums); -} - -void -entries_v1_free(entries_v1_t *obj) -{ - if (obj == NULL) - return; - entries_v1_clear(obj); - trunnel_memwipe(obj, sizeof(entries_v1_t)); - trunnel_free_(obj); -} - -uint64_t -entries_v1_get_magic(const entries_v1_t *inp) -{ - return inp->magic; -} -int -entries_v1_set_magic(entries_v1_t *inp, uint64_t val) -{ - if (! ((val == MAGIC_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->magic = val; - return 0; -} -uint64_t -entries_v1_get_format(const entries_v1_t *inp) -{ - return inp->format; -} -int -entries_v1_set_format(entries_v1_t *inp, uint64_t val) -{ - if (! ((val == T_ENTRIES_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->format = val; - return 0; -} -uint64_t -entries_v1_get_n_items(const entries_v1_t *inp) -{ - return inp->n_items; -} -int -entries_v1_set_n_items(entries_v1_t *inp, uint64_t val) -{ - inp->n_items = val; - return 0; -} -size_t -entries_v1_getlen_checksums(const entries_v1_t *inp) -{ - return TRUNNEL_DYNARRAY_LEN(&inp->checksums); -} - -struct signed_checksum32_ed25519_st * -entries_v1_get_checksums(entries_v1_t *inp, size_t idx) -{ - return TRUNNEL_DYNARRAY_GET(&inp->checksums, idx); -} - - const struct signed_checksum32_ed25519_st * -entries_v1_getconst_checksums(const entries_v1_t *inp, size_t idx) -{ - return entries_v1_get_checksums((entries_v1_t*)inp, idx); -} -int -entries_v1_set_checksums(entries_v1_t *inp, size_t idx, struct signed_checksum32_ed25519_st * elt) -{ - signed_checksum32_ed25519_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->checksums, idx); - if (oldval && oldval != elt) - signed_checksum32_ed25519_free(oldval); - return entries_v1_set0_checksums(inp, idx, elt); -} -int -entries_v1_set0_checksums(entries_v1_t *inp, size_t idx, struct signed_checksum32_ed25519_st * elt) -{ - TRUNNEL_DYNARRAY_SET(&inp->checksums, idx, elt); - return 0; -} -int -entries_v1_add_checksums(entries_v1_t *inp, struct signed_checksum32_ed25519_st * elt) -{ -#if SIZE_MAX >= UINT64_MAX - if (inp->checksums.n_ == UINT64_MAX) - goto trunnel_alloc_failed; -#endif - TRUNNEL_DYNARRAY_ADD(struct signed_checksum32_ed25519_st *, &inp->checksums, elt, {}); - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} - -struct signed_checksum32_ed25519_st * * -entries_v1_getarray_checksums(entries_v1_t *inp) -{ - return inp->checksums.elts_; -} -const struct signed_checksum32_ed25519_st * const * -entries_v1_getconstarray_checksums(const entries_v1_t *inp) -{ - return (const struct signed_checksum32_ed25519_st * const *)entries_v1_getarray_checksums((entries_v1_t*)inp); -} -int -entries_v1_setlen_checksums(entries_v1_t *inp, size_t newlen) -{ - struct signed_checksum32_ed25519_st * *newptr; -#if UINT64_MAX < SIZE_MAX - if (newlen > UINT64_MAX) - goto trunnel_alloc_failed; -#endif - newptr = trunnel_dynarray_setlen(&inp->checksums.allocated_, - &inp->checksums.n_, inp->checksums.elts_, newlen, - sizeof(inp->checksums.elts_[0]), (trunnel_free_fn_t) signed_checksum32_ed25519_free, - &inp->trunnel_error_code_); - if (newlen != 0 && newptr == NULL) - goto trunnel_alloc_failed; - inp->checksums.elts_ = newptr; - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} -const char * -entries_v1_check(const entries_v1_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! (obj->magic == MAGIC_V1)) - return "Integer out of bounds"; - if (! (obj->format == T_ENTRIES_V1)) - return "Integer out of bounds"; - { - const char *msg; - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->checksums); ++idx) { - if (NULL != (msg = signed_checksum32_ed25519_check(TRUNNEL_DYNARRAY_GET(&obj->checksums, idx)))) - return msg; - } - } - if (TRUNNEL_DYNARRAY_LEN(&obj->checksums) != obj->n_items) - return "Length mismatch for checksums"; - return NULL; -} - -ssize_t -entries_v1_encoded_len(const entries_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != entries_v1_check(obj)) - return -1; - - - /* Length of u64 magic IN [MAGIC_V1] */ - result += 8; - - /* Length of u64 format IN [T_ENTRIES_V1] */ - result += 8; - - /* Length of u64 n_items */ - result += 8; - - /* Length of struct signed_checksum32_ed25519 checksums[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->checksums); ++idx) { - result += signed_checksum32_ed25519_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->checksums, idx)); - } - } - return result; -} -int -entries_v1_clear_errors(entries_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -entries_v1_encode(uint8_t *output, const size_t avail, const entries_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 = entries_v1_encoded_len(obj); -#endif - - if (NULL != (msg = entries_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 magic IN [MAGIC_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->magic)); - written += 8; ptr += 8; - - /* Encode u64 format IN [T_ENTRIES_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->format)); - written += 8; ptr += 8; - - /* Encode u64 n_items */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->n_items)); - written += 8; ptr += 8; - - /* Encode struct signed_checksum32_ed25519 checksums[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->checksums); ++idx) { - trunnel_assert(written <= avail); - result = signed_checksum32_ed25519_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->checksums, idx)); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - } - } - - - 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 entries_v1_parse(), but do not allocate the output object. - */ -static ssize_t -entries_v1_parse_into(entries_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 u64 magic IN [MAGIC_V1] */ - CHECK_REMAINING(8, truncated); - obj->magic = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->magic == MAGIC_V1)) - goto fail; - - /* Parse u64 format IN [T_ENTRIES_V1] */ - CHECK_REMAINING(8, truncated); - obj->format = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->format == T_ENTRIES_V1)) - goto fail; - - /* Parse u64 n_items */ - CHECK_REMAINING(8, truncated); - obj->n_items = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse struct signed_checksum32_ed25519 checksums[n_items] */ - TRUNNEL_DYNARRAY_EXPAND(signed_checksum32_ed25519_t *, &obj->checksums, obj->n_items, {}); - { - signed_checksum32_ed25519_t * elt; - unsigned idx; - for (idx = 0; idx < obj->n_items; ++idx) { - result = signed_checksum32_ed25519_parse(&elt, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - TRUNNEL_DYNARRAY_ADD(signed_checksum32_ed25519_t *, &obj->checksums, elt, {signed_checksum32_ed25519_free(elt);}); - } - } - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; - relay_fail: - trunnel_assert(result < 0); - return result; - trunnel_alloc_failed: - return -1; - fail: - result = -1; - return result; -} - -ssize_t -entries_v1_parse(entries_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = entries_v1_new(); - if (NULL == *output) - return -1; - result = entries_v1_parse_into(*output, input, len_in); - if (result < 0) { - entries_v1_free(*output); - *output = NULL; - } - return result; -} -inclusion_proof_v1_t * -inclusion_proof_v1_new(void) -{ - inclusion_proof_v1_t *val = trunnel_calloc(1, sizeof(inclusion_proof_v1_t)); - if (NULL == val) - return NULL; - val->magic = MAGIC_V1; - val->format = T_INCLUSION_PROOF_V1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -inclusion_proof_v1_clear(inclusion_proof_v1_t *obj) -{ - (void) obj; - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - hash_free(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - } - } - TRUNNEL_DYNARRAY_WIPE(&obj->hashes); - TRUNNEL_DYNARRAY_CLEAR(&obj->hashes); -} - -void -inclusion_proof_v1_free(inclusion_proof_v1_t *obj) -{ - if (obj == NULL) - return; - inclusion_proof_v1_clear(obj); - trunnel_memwipe(obj, sizeof(inclusion_proof_v1_t)); - trunnel_free_(obj); -} - -uint64_t -inclusion_proof_v1_get_magic(const inclusion_proof_v1_t *inp) -{ - return inp->magic; -} -int -inclusion_proof_v1_set_magic(inclusion_proof_v1_t *inp, uint64_t val) -{ - if (! ((val == MAGIC_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->magic = val; - return 0; -} -uint64_t -inclusion_proof_v1_get_format(const inclusion_proof_v1_t *inp) -{ - return inp->format; -} -int -inclusion_proof_v1_set_format(inclusion_proof_v1_t *inp, uint64_t val) -{ - if (! ((val == T_INCLUSION_PROOF_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->format = val; - return 0; -} -size_t -inclusion_proof_v1_getlen_identifier(const inclusion_proof_v1_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -inclusion_proof_v1_get_identifier(inclusion_proof_v1_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->identifier[idx]; -} - -uint8_t -inclusion_proof_v1_getconst_identifier(const inclusion_proof_v1_t *inp, size_t idx) -{ - return inclusion_proof_v1_get_identifier((inclusion_proof_v1_t*)inp, idx); -} -int -inclusion_proof_v1_set_identifier(inclusion_proof_v1_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->identifier[idx] = elt; - return 0; -} - -uint8_t * -inclusion_proof_v1_getarray_identifier(inclusion_proof_v1_t *inp) -{ - return inp->identifier; -} -const uint8_t * -inclusion_proof_v1_getconstarray_identifier(const inclusion_proof_v1_t *inp) -{ - return (const uint8_t *)inclusion_proof_v1_getarray_identifier((inclusion_proof_v1_t*)inp); -} -uint64_t -inclusion_proof_v1_get_tree_size(const inclusion_proof_v1_t *inp) -{ - return inp->tree_size; -} -int -inclusion_proof_v1_set_tree_size(inclusion_proof_v1_t *inp, uint64_t val) -{ - inp->tree_size = val; - return 0; -} -uint64_t -inclusion_proof_v1_get_leaf_index(const inclusion_proof_v1_t *inp) -{ - return inp->leaf_index; -} -int -inclusion_proof_v1_set_leaf_index(inclusion_proof_v1_t *inp, uint64_t val) -{ - inp->leaf_index = val; - return 0; -} -uint64_t -inclusion_proof_v1_get_n_items(const inclusion_proof_v1_t *inp) -{ - return inp->n_items; -} -int -inclusion_proof_v1_set_n_items(inclusion_proof_v1_t *inp, uint64_t val) -{ - inp->n_items = val; - return 0; -} -size_t -inclusion_proof_v1_getlen_hashes(const inclusion_proof_v1_t *inp) -{ - return TRUNNEL_DYNARRAY_LEN(&inp->hashes); -} - -struct hash_st * -inclusion_proof_v1_get_hashes(inclusion_proof_v1_t *inp, size_t idx) -{ - return TRUNNEL_DYNARRAY_GET(&inp->hashes, idx); -} - - const struct hash_st * -inclusion_proof_v1_getconst_hashes(const inclusion_proof_v1_t *inp, size_t idx) -{ - return inclusion_proof_v1_get_hashes((inclusion_proof_v1_t*)inp, idx); -} -int -inclusion_proof_v1_set_hashes(inclusion_proof_v1_t *inp, size_t idx, struct hash_st * elt) -{ - hash_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->hashes, idx); - if (oldval && oldval != elt) - hash_free(oldval); - return inclusion_proof_v1_set0_hashes(inp, idx, elt); -} -int -inclusion_proof_v1_set0_hashes(inclusion_proof_v1_t *inp, size_t idx, struct hash_st * elt) -{ - TRUNNEL_DYNARRAY_SET(&inp->hashes, idx, elt); - return 0; -} -int -inclusion_proof_v1_add_hashes(inclusion_proof_v1_t *inp, struct hash_st * elt) -{ -#if SIZE_MAX >= UINT64_MAX - if (inp->hashes.n_ == UINT64_MAX) - goto trunnel_alloc_failed; -#endif - TRUNNEL_DYNARRAY_ADD(struct hash_st *, &inp->hashes, elt, {}); - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} - -struct hash_st * * -inclusion_proof_v1_getarray_hashes(inclusion_proof_v1_t *inp) -{ - return inp->hashes.elts_; -} -const struct hash_st * const * -inclusion_proof_v1_getconstarray_hashes(const inclusion_proof_v1_t *inp) -{ - return (const struct hash_st * const *)inclusion_proof_v1_getarray_hashes((inclusion_proof_v1_t*)inp); -} -int -inclusion_proof_v1_setlen_hashes(inclusion_proof_v1_t *inp, size_t newlen) -{ - struct hash_st * *newptr; -#if UINT64_MAX < SIZE_MAX - if (newlen > UINT64_MAX) - goto trunnel_alloc_failed; -#endif - newptr = trunnel_dynarray_setlen(&inp->hashes.allocated_, - &inp->hashes.n_, inp->hashes.elts_, newlen, - sizeof(inp->hashes.elts_[0]), (trunnel_free_fn_t) hash_free, - &inp->trunnel_error_code_); - if (newlen != 0 && newptr == NULL) - goto trunnel_alloc_failed; - inp->hashes.elts_ = newptr; - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} -const char * -inclusion_proof_v1_check(const inclusion_proof_v1_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! (obj->magic == MAGIC_V1)) - return "Integer out of bounds"; - if (! (obj->format == T_INCLUSION_PROOF_V1)) - return "Integer out of bounds"; - { - const char *msg; - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - if (NULL != (msg = hash_check(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)))) - return msg; - } - } - if (TRUNNEL_DYNARRAY_LEN(&obj->hashes) != obj->n_items) - return "Length mismatch for hashes"; - return NULL; -} - -ssize_t -inclusion_proof_v1_encoded_len(const inclusion_proof_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != inclusion_proof_v1_check(obj)) - return -1; - - - /* Length of u64 magic IN [MAGIC_V1] */ - result += 8; - - /* Length of u64 format IN [T_INCLUSION_PROOF_V1] */ - result += 8; - - /* Length of u8 identifier[32] */ - result += 32; - - /* Length of u64 tree_size */ - result += 8; - - /* Length of u64 leaf_index */ - result += 8; - - /* Length of u64 n_items */ - result += 8; - - /* Length of struct hash hashes[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - result += hash_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - } - } - return result; -} -int -inclusion_proof_v1_clear_errors(inclusion_proof_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -inclusion_proof_v1_encode(uint8_t *output, const size_t avail, const inclusion_proof_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 = inclusion_proof_v1_encoded_len(obj); -#endif - - if (NULL != (msg = inclusion_proof_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 magic IN [MAGIC_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->magic)); - written += 8; ptr += 8; - - /* Encode u64 format IN [T_INCLUSION_PROOF_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->format)); - written += 8; ptr += 8; - - /* Encode u8 identifier[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->identifier, 32); - written += 32; ptr += 32; - - /* Encode u64 tree_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->tree_size)); - written += 8; ptr += 8; - - /* Encode u64 leaf_index */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->leaf_index)); - written += 8; ptr += 8; - - /* Encode u64 n_items */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->n_items)); - written += 8; ptr += 8; - - /* Encode struct hash hashes[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->hashes); ++idx) { - trunnel_assert(written <= avail); - result = hash_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->hashes, idx)); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - } - } - - - 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 inclusion_proof_v1_parse(), but do not allocate the output - * object. - */ -static ssize_t -inclusion_proof_v1_parse_into(inclusion_proof_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 u64 magic IN [MAGIC_V1] */ - CHECK_REMAINING(8, truncated); - obj->magic = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->magic == MAGIC_V1)) - goto fail; - - /* Parse u64 format IN [T_INCLUSION_PROOF_V1] */ - CHECK_REMAINING(8, truncated); - obj->format = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->format == T_INCLUSION_PROOF_V1)) - goto fail; - - /* Parse u8 identifier[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->identifier, ptr, 32); - remaining -= 32; ptr += 32; - - /* Parse u64 tree_size */ - CHECK_REMAINING(8, truncated); - obj->tree_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 leaf_index */ - CHECK_REMAINING(8, truncated); - obj->leaf_index = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 n_items */ - CHECK_REMAINING(8, truncated); - obj->n_items = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse struct hash hashes[n_items] */ - TRUNNEL_DYNARRAY_EXPAND(hash_t *, &obj->hashes, obj->n_items, {}); - { - hash_t * elt; - unsigned idx; - for (idx = 0; idx < obj->n_items; ++idx) { - result = hash_parse(&elt, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - TRUNNEL_DYNARRAY_ADD(hash_t *, &obj->hashes, elt, {hash_free(elt);}); - } - } - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; - relay_fail: - trunnel_assert(result < 0); - return result; - trunnel_alloc_failed: - return -1; - fail: - result = -1; - return result; -} - -ssize_t -inclusion_proof_v1_parse(inclusion_proof_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = inclusion_proof_v1_new(); - if (NULL == *output) - return -1; - result = inclusion_proof_v1_parse_into(*output, input, len_in); - if (result < 0) { - inclusion_proof_v1_free(*output); - *output = NULL; - } - return result; -} -request_v1_t * -request_v1_new(void) -{ - request_v1_t *val = trunnel_calloc(1, sizeof(request_v1_t)); - if (NULL == val) - return NULL; - val->magic = MAGIC_V1; - val->format = T_GET_CONSISTENCY_PROOF_V1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -request_v1_clear(request_v1_t *obj) -{ - (void) obj; - req_get_entries_v1_free(obj->request_get_entries); - obj->request_get_entries = NULL; - req_get_proof_by_hash_v1_free(obj->request_get_proof_by_hash); - obj->request_get_proof_by_hash = NULL; - req_get_consistency_proof_v1_free(obj->request_get_consistency_proof); - obj->request_get_consistency_proof = NULL; -} - -void -request_v1_free(request_v1_t *obj) -{ - if (obj == NULL) - return; - request_v1_clear(obj); - trunnel_memwipe(obj, sizeof(request_v1_t)); - trunnel_free_(obj); -} - -uint64_t -request_v1_get_magic(const request_v1_t *inp) -{ - return inp->magic; -} -int -request_v1_set_magic(request_v1_t *inp, uint64_t val) -{ - if (! ((val == MAGIC_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->magic = val; - return 0; -} -uint64_t -request_v1_get_format(const request_v1_t *inp) -{ - return inp->format; -} -int -request_v1_set_format(request_v1_t *inp, uint64_t val) -{ - if (! ((val == T_GET_CONSISTENCY_PROOF_V1 || val == T_GET_ENTRIES_V1 || val == T_GET_PROOF_BY_HASH_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->format = val; - return 0; -} -struct req_get_entries_v1_st * -request_v1_get_request_get_entries(request_v1_t *inp) -{ - return inp->request_get_entries; -} -const struct req_get_entries_v1_st * -request_v1_getconst_request_get_entries(const request_v1_t *inp) -{ - return request_v1_get_request_get_entries((request_v1_t*) inp); -} -int -request_v1_set_request_get_entries(request_v1_t *inp, struct req_get_entries_v1_st *val) -{ - if (inp->request_get_entries && inp->request_get_entries != val) - req_get_entries_v1_free(inp->request_get_entries); - return request_v1_set0_request_get_entries(inp, val); -} -int -request_v1_set0_request_get_entries(request_v1_t *inp, struct req_get_entries_v1_st *val) -{ - inp->request_get_entries = val; - return 0; -} -struct req_get_proof_by_hash_v1_st * -request_v1_get_request_get_proof_by_hash(request_v1_t *inp) -{ - return inp->request_get_proof_by_hash; -} -const struct req_get_proof_by_hash_v1_st * -request_v1_getconst_request_get_proof_by_hash(const request_v1_t *inp) -{ - return request_v1_get_request_get_proof_by_hash((request_v1_t*) inp); -} -int -request_v1_set_request_get_proof_by_hash(request_v1_t *inp, struct req_get_proof_by_hash_v1_st *val) -{ - if (inp->request_get_proof_by_hash && inp->request_get_proof_by_hash != val) - req_get_proof_by_hash_v1_free(inp->request_get_proof_by_hash); - return request_v1_set0_request_get_proof_by_hash(inp, val); -} -int -request_v1_set0_request_get_proof_by_hash(request_v1_t *inp, struct req_get_proof_by_hash_v1_st *val) -{ - inp->request_get_proof_by_hash = val; - return 0; -} -struct req_get_consistency_proof_v1_st * -request_v1_get_request_get_consistency_proof(request_v1_t *inp) -{ - return inp->request_get_consistency_proof; -} -const struct req_get_consistency_proof_v1_st * -request_v1_getconst_request_get_consistency_proof(const request_v1_t *inp) -{ - return request_v1_get_request_get_consistency_proof((request_v1_t*) inp); -} -int -request_v1_set_request_get_consistency_proof(request_v1_t *inp, struct req_get_consistency_proof_v1_st *val) -{ - if (inp->request_get_consistency_proof && inp->request_get_consistency_proof != val) - req_get_consistency_proof_v1_free(inp->request_get_consistency_proof); - return request_v1_set0_request_get_consistency_proof(inp, val); -} -int -request_v1_set0_request_get_consistency_proof(request_v1_t *inp, struct req_get_consistency_proof_v1_st *val) -{ - inp->request_get_consistency_proof = val; - return 0; -} -const char * -request_v1_check(const request_v1_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! (obj->magic == MAGIC_V1)) - return "Integer out of bounds"; - if (! (obj->format == T_GET_CONSISTENCY_PROOF_V1 || obj->format == T_GET_ENTRIES_V1 || obj->format == T_GET_PROOF_BY_HASH_V1)) - return "Integer out of bounds"; - switch (obj->format) { - - case T_GET_ENTRIES_V1: - { - const char *msg; - if (NULL != (msg = req_get_entries_v1_check(obj->request_get_entries))) - return msg; - } - break; - - case T_GET_PROOF_BY_HASH_V1: - { - const char *msg; - if (NULL != (msg = req_get_proof_by_hash_v1_check(obj->request_get_proof_by_hash))) - return msg; - } - break; - - case T_GET_CONSISTENCY_PROOF_V1: - { - const char *msg; - if (NULL != (msg = req_get_consistency_proof_v1_check(obj->request_get_consistency_proof))) - return msg; - } - break; - - default: - return "Bad tag for union"; - break; - } - return NULL; -} - -ssize_t -request_v1_encoded_len(const request_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != request_v1_check(obj)) - return -1; - - - /* Length of u64 magic IN [MAGIC_V1] */ - result += 8; - - /* Length of u64 format IN [T_GET_CONSISTENCY_PROOF_V1, T_GET_ENTRIES_V1, T_GET_PROOF_BY_HASH_V1] */ - result += 8; - switch (obj->format) { - - case T_GET_ENTRIES_V1: - - /* Length of struct req_get_entries_v1 request_get_entries */ - result += req_get_entries_v1_encoded_len(obj->request_get_entries); - break; - - case T_GET_PROOF_BY_HASH_V1: - - /* Length of struct req_get_proof_by_hash_v1 request_get_proof_by_hash */ - result += req_get_proof_by_hash_v1_encoded_len(obj->request_get_proof_by_hash); - break; - - case T_GET_CONSISTENCY_PROOF_V1: - - /* Length of struct req_get_consistency_proof_v1 request_get_consistency_proof */ - result += req_get_consistency_proof_v1_encoded_len(obj->request_get_consistency_proof); - break; - - default: - trunnel_assert(0); - break; - } - return result; -} -int -request_v1_clear_errors(request_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -request_v1_encode(uint8_t *output, const size_t avail, const request_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 = request_v1_encoded_len(obj); -#endif - - if (NULL != (msg = request_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 magic IN [MAGIC_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->magic)); - written += 8; ptr += 8; - - /* Encode u64 format IN [T_GET_CONSISTENCY_PROOF_V1, T_GET_ENTRIES_V1, T_GET_PROOF_BY_HASH_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->format)); - written += 8; ptr += 8; - - /* Encode union request[format] */ - trunnel_assert(written <= avail); - switch (obj->format) { - - case T_GET_ENTRIES_V1: - - /* Encode struct req_get_entries_v1 request_get_entries */ - trunnel_assert(written <= avail); - result = req_get_entries_v1_encode(ptr, avail - written, obj->request_get_entries); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - break; - - case T_GET_PROOF_BY_HASH_V1: - - /* Encode struct req_get_proof_by_hash_v1 request_get_proof_by_hash */ - trunnel_assert(written <= avail); - result = req_get_proof_by_hash_v1_encode(ptr, avail - written, obj->request_get_proof_by_hash); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - break; - - case T_GET_CONSISTENCY_PROOF_V1: - - /* Encode struct req_get_consistency_proof_v1 request_get_consistency_proof */ - trunnel_assert(written <= avail); - result = req_get_consistency_proof_v1_encode(ptr, avail - written, obj->request_get_consistency_proof); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - break; - - default: - trunnel_assert(0); - break; - } - - - 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 request_v1_parse(), but do not allocate the output object. - */ -static ssize_t -request_v1_parse_into(request_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 u64 magic IN [MAGIC_V1] */ - CHECK_REMAINING(8, truncated); - obj->magic = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->magic == MAGIC_V1)) - goto fail; - - /* Parse u64 format IN [T_GET_CONSISTENCY_PROOF_V1, T_GET_ENTRIES_V1, T_GET_PROOF_BY_HASH_V1] */ - CHECK_REMAINING(8, truncated); - obj->format = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->format == T_GET_CONSISTENCY_PROOF_V1 || obj->format == T_GET_ENTRIES_V1 || obj->format == T_GET_PROOF_BY_HASH_V1)) - goto fail; - - /* Parse union request[format] */ - switch (obj->format) { - - case T_GET_ENTRIES_V1: - - /* Parse struct req_get_entries_v1 request_get_entries */ - result = req_get_entries_v1_parse(&obj->request_get_entries, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - break; - - case T_GET_PROOF_BY_HASH_V1: - - /* Parse struct req_get_proof_by_hash_v1 request_get_proof_by_hash */ - result = req_get_proof_by_hash_v1_parse(&obj->request_get_proof_by_hash, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - break; - - case T_GET_CONSISTENCY_PROOF_V1: - - /* Parse struct req_get_consistency_proof_v1 request_get_consistency_proof */ - result = req_get_consistency_proof_v1_parse(&obj->request_get_consistency_proof, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - break; - - default: - goto fail; - break; - } - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; - relay_fail: - trunnel_assert(result < 0); - return result; - fail: - result = -1; - return result; -} - -ssize_t -request_v1_parse(request_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = request_v1_new(); - if (NULL == *output) - return -1; - result = request_v1_parse_into(*output, input, len_in); - if (result < 0) { - request_v1_free(*output); - *output = NULL; - } - return result; -} -signed_tree_head_v1_t * -signed_tree_head_v1_new(void) -{ - signed_tree_head_v1_t *val = trunnel_calloc(1, sizeof(signed_tree_head_v1_t)); - if (NULL == val) - return NULL; - val->magic = MAGIC_V1; - val->format = T_SIGNED_TREE_HEAD_V1; - return val; -} - -/** Release all storage held inside 'obj', but do not free 'obj'. - */ -static void -signed_tree_head_v1_clear(signed_tree_head_v1_t *obj) -{ - (void) obj; - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->signatures); ++idx) { - sigident_ed25519_free(TRUNNEL_DYNARRAY_GET(&obj->signatures, idx)); - } - } - TRUNNEL_DYNARRAY_WIPE(&obj->signatures); - TRUNNEL_DYNARRAY_CLEAR(&obj->signatures); -} - -void -signed_tree_head_v1_free(signed_tree_head_v1_t *obj) -{ - if (obj == NULL) - return; - signed_tree_head_v1_clear(obj); - trunnel_memwipe(obj, sizeof(signed_tree_head_v1_t)); - trunnel_free_(obj); -} - -uint64_t -signed_tree_head_v1_get_magic(const signed_tree_head_v1_t *inp) -{ - return inp->magic; -} -int -signed_tree_head_v1_set_magic(signed_tree_head_v1_t *inp, uint64_t val) -{ - if (! ((val == MAGIC_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->magic = val; - return 0; -} -uint64_t -signed_tree_head_v1_get_format(const signed_tree_head_v1_t *inp) -{ - return inp->format; -} -int -signed_tree_head_v1_set_format(signed_tree_head_v1_t *inp, uint64_t val) -{ - if (! ((val == T_SIGNED_TREE_HEAD_V1))) { - TRUNNEL_SET_ERROR_CODE(inp); - return -1; - } - inp->format = val; - return 0; -} -uint64_t -signed_tree_head_v1_get_timestamp(const signed_tree_head_v1_t *inp) -{ - return inp->timestamp; -} -int -signed_tree_head_v1_set_timestamp(signed_tree_head_v1_t *inp, uint64_t val) -{ - inp->timestamp = val; - return 0; -} -uint64_t -signed_tree_head_v1_get_tree_size(const signed_tree_head_v1_t *inp) -{ - return inp->tree_size; -} -int -signed_tree_head_v1_set_tree_size(signed_tree_head_v1_t *inp, uint64_t val) -{ - inp->tree_size = val; - return 0; -} -size_t -signed_tree_head_v1_getlen_root_hash(const signed_tree_head_v1_t *inp) -{ - (void)inp; return 32; -} - -uint8_t -signed_tree_head_v1_get_root_hash(signed_tree_head_v1_t *inp, size_t idx) -{ - trunnel_assert(idx < 32); - return inp->root_hash[idx]; -} - -uint8_t -signed_tree_head_v1_getconst_root_hash(const signed_tree_head_v1_t *inp, size_t idx) -{ - return signed_tree_head_v1_get_root_hash((signed_tree_head_v1_t*)inp, idx); -} -int -signed_tree_head_v1_set_root_hash(signed_tree_head_v1_t *inp, size_t idx, uint8_t elt) -{ - trunnel_assert(idx < 32); - inp->root_hash[idx] = elt; - return 0; -} - -uint8_t * -signed_tree_head_v1_getarray_root_hash(signed_tree_head_v1_t *inp) -{ - return inp->root_hash; -} -const uint8_t * -signed_tree_head_v1_getconstarray_root_hash(const signed_tree_head_v1_t *inp) -{ - return (const uint8_t *)signed_tree_head_v1_getarray_root_hash((signed_tree_head_v1_t*)inp); -} -uint64_t -signed_tree_head_v1_get_n_items(const signed_tree_head_v1_t *inp) -{ - return inp->n_items; -} -int -signed_tree_head_v1_set_n_items(signed_tree_head_v1_t *inp, uint64_t val) -{ - inp->n_items = val; - return 0; -} -size_t -signed_tree_head_v1_getlen_signatures(const signed_tree_head_v1_t *inp) -{ - return TRUNNEL_DYNARRAY_LEN(&inp->signatures); -} - -struct sigident_ed25519_st * -signed_tree_head_v1_get_signatures(signed_tree_head_v1_t *inp, size_t idx) -{ - return TRUNNEL_DYNARRAY_GET(&inp->signatures, idx); -} - - const struct sigident_ed25519_st * -signed_tree_head_v1_getconst_signatures(const signed_tree_head_v1_t *inp, size_t idx) -{ - return signed_tree_head_v1_get_signatures((signed_tree_head_v1_t*)inp, idx); -} -int -signed_tree_head_v1_set_signatures(signed_tree_head_v1_t *inp, size_t idx, struct sigident_ed25519_st * elt) -{ - sigident_ed25519_t *oldval = TRUNNEL_DYNARRAY_GET(&inp->signatures, idx); - if (oldval && oldval != elt) - sigident_ed25519_free(oldval); - return signed_tree_head_v1_set0_signatures(inp, idx, elt); -} -int -signed_tree_head_v1_set0_signatures(signed_tree_head_v1_t *inp, size_t idx, struct sigident_ed25519_st * elt) -{ - TRUNNEL_DYNARRAY_SET(&inp->signatures, idx, elt); - return 0; -} -int -signed_tree_head_v1_add_signatures(signed_tree_head_v1_t *inp, struct sigident_ed25519_st * elt) -{ -#if SIZE_MAX >= UINT64_MAX - if (inp->signatures.n_ == UINT64_MAX) - goto trunnel_alloc_failed; -#endif - TRUNNEL_DYNARRAY_ADD(struct sigident_ed25519_st *, &inp->signatures, elt, {}); - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} - -struct sigident_ed25519_st * * -signed_tree_head_v1_getarray_signatures(signed_tree_head_v1_t *inp) -{ - return inp->signatures.elts_; -} -const struct sigident_ed25519_st * const * -signed_tree_head_v1_getconstarray_signatures(const signed_tree_head_v1_t *inp) -{ - return (const struct sigident_ed25519_st * const *)signed_tree_head_v1_getarray_signatures((signed_tree_head_v1_t*)inp); -} -int -signed_tree_head_v1_setlen_signatures(signed_tree_head_v1_t *inp, size_t newlen) -{ - struct sigident_ed25519_st * *newptr; -#if UINT64_MAX < SIZE_MAX - if (newlen > UINT64_MAX) - goto trunnel_alloc_failed; -#endif - newptr = trunnel_dynarray_setlen(&inp->signatures.allocated_, - &inp->signatures.n_, inp->signatures.elts_, newlen, - sizeof(inp->signatures.elts_[0]), (trunnel_free_fn_t) sigident_ed25519_free, - &inp->trunnel_error_code_); - if (newlen != 0 && newptr == NULL) - goto trunnel_alloc_failed; - inp->signatures.elts_ = newptr; - return 0; - trunnel_alloc_failed: - TRUNNEL_SET_ERROR_CODE(inp); - return -1; -} -const char * -signed_tree_head_v1_check(const signed_tree_head_v1_t *obj) -{ - if (obj == NULL) - return "Object was NULL"; - if (obj->trunnel_error_code_) - return "A set function failed on this object"; - if (! (obj->magic == MAGIC_V1)) - return "Integer out of bounds"; - if (! (obj->format == T_SIGNED_TREE_HEAD_V1)) - return "Integer out of bounds"; - { - const char *msg; - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->signatures); ++idx) { - if (NULL != (msg = sigident_ed25519_check(TRUNNEL_DYNARRAY_GET(&obj->signatures, idx)))) - return msg; - } - } - if (TRUNNEL_DYNARRAY_LEN(&obj->signatures) != obj->n_items) - return "Length mismatch for signatures"; - return NULL; -} - -ssize_t -signed_tree_head_v1_encoded_len(const signed_tree_head_v1_t *obj) -{ - ssize_t result = 0; - - if (NULL != signed_tree_head_v1_check(obj)) - return -1; - - - /* Length of u64 magic IN [MAGIC_V1] */ - result += 8; - - /* Length of u64 format IN [T_SIGNED_TREE_HEAD_V1] */ - result += 8; - - /* Length of u64 timestamp */ - result += 8; - - /* Length of u64 tree_size */ - result += 8; - - /* Length of u8 root_hash[32] */ - result += 32; - - /* Length of u64 n_items */ - result += 8; - - /* Length of struct sigident_ed25519 signatures[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->signatures); ++idx) { - result += sigident_ed25519_encoded_len(TRUNNEL_DYNARRAY_GET(&obj->signatures, idx)); - } - } - return result; -} -int -signed_tree_head_v1_clear_errors(signed_tree_head_v1_t *obj) -{ - int r = obj->trunnel_error_code_; - obj->trunnel_error_code_ = 0; - return r; -} -ssize_t -signed_tree_head_v1_encode(uint8_t *output, const size_t avail, const signed_tree_head_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 = signed_tree_head_v1_encoded_len(obj); -#endif - - if (NULL != (msg = signed_tree_head_v1_check(obj))) - goto check_failed; - -#ifdef TRUNNEL_CHECK_ENCODED_LEN - trunnel_assert(encoded_len >= 0); -#endif - - /* Encode u64 magic IN [MAGIC_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->magic)); - written += 8; ptr += 8; - - /* Encode u64 format IN [T_SIGNED_TREE_HEAD_V1] */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->format)); - written += 8; ptr += 8; - - /* Encode u64 timestamp */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->timestamp)); - written += 8; ptr += 8; - - /* Encode u64 tree_size */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->tree_size)); - written += 8; ptr += 8; - - /* Encode u8 root_hash[32] */ - trunnel_assert(written <= avail); - if (avail - written < 32) - goto truncated; - memcpy(ptr, obj->root_hash, 32); - written += 32; ptr += 32; - - /* Encode u64 n_items */ - trunnel_assert(written <= avail); - if (avail - written < 8) - goto truncated; - trunnel_set_uint64(ptr, trunnel_htonll(obj->n_items)); - written += 8; ptr += 8; - - /* Encode struct sigident_ed25519 signatures[n_items] */ - { - - unsigned idx; - for (idx = 0; idx < TRUNNEL_DYNARRAY_LEN(&obj->signatures); ++idx) { - trunnel_assert(written <= avail); - result = sigident_ed25519_encode(ptr, avail - written, TRUNNEL_DYNARRAY_GET(&obj->signatures, idx)); - if (result < 0) - goto fail; /* XXXXXXX !*/ - written += result; ptr += result; - } - } - - - 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 signed_tree_head_v1_parse(), but do not allocate the output - * object. - */ -static ssize_t -signed_tree_head_v1_parse_into(signed_tree_head_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 u64 magic IN [MAGIC_V1] */ - CHECK_REMAINING(8, truncated); - obj->magic = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->magic == MAGIC_V1)) - goto fail; - - /* Parse u64 format IN [T_SIGNED_TREE_HEAD_V1] */ - CHECK_REMAINING(8, truncated); - obj->format = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - if (! (obj->format == T_SIGNED_TREE_HEAD_V1)) - goto fail; - - /* Parse u64 timestamp */ - CHECK_REMAINING(8, truncated); - obj->timestamp = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u64 tree_size */ - CHECK_REMAINING(8, truncated); - obj->tree_size = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse u8 root_hash[32] */ - CHECK_REMAINING(32, truncated); - memcpy(obj->root_hash, ptr, 32); - remaining -= 32; ptr += 32; - - /* Parse u64 n_items */ - CHECK_REMAINING(8, truncated); - obj->n_items = trunnel_ntohll(trunnel_get_uint64(ptr)); - remaining -= 8; ptr += 8; - - /* Parse struct sigident_ed25519 signatures[n_items] */ - TRUNNEL_DYNARRAY_EXPAND(sigident_ed25519_t *, &obj->signatures, obj->n_items, {}); - { - sigident_ed25519_t * elt; - unsigned idx; - for (idx = 0; idx < obj->n_items; ++idx) { - result = sigident_ed25519_parse(&elt, ptr, remaining); - if (result < 0) - goto relay_fail; - trunnel_assert((size_t)result <= remaining); - remaining -= result; ptr += result; - TRUNNEL_DYNARRAY_ADD(sigident_ed25519_t *, &obj->signatures, elt, {sigident_ed25519_free(elt);}); - } - } - trunnel_assert(ptr + remaining == input + len_in); - return len_in - remaining; - - truncated: - return -2; - relay_fail: - trunnel_assert(result < 0); - return result; - trunnel_alloc_failed: - return -1; - fail: - result = -1; - return result; -} - -ssize_t -signed_tree_head_v1_parse(signed_tree_head_v1_t **output, const uint8_t *input, const size_t len_in) -{ - ssize_t result; - *output = signed_tree_head_v1_new(); - if (NULL == *output) - return -1; - result = signed_tree_head_v1_parse_into(*output, input, len_in); - if (result < 0) { - signed_tree_head_v1_free(*output); - *output = NULL; - } - return result; -} |