* Set the version of an SCT.
* Returns 1 on success, 0 if the version is unrecognized.
*/
-int SCT_set_version(SCT *sct, sct_version_t version);
+__owur int SCT_set_version(SCT *sct, sct_version_t version);
/*
* Returns the log entry type of the SCT.
/*
* Set the log entry type of an SCT.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set_log_entry_type(SCT *sct, ct_log_entry_type_t entry_type);
+__owur int SCT_set_log_entry_type(SCT *sct, ct_log_entry_type_t entry_type);
/*
* Gets the ID of the log that an SCT came from.
/*
* Set the log ID of an SCT to point directly to the *log_id specified.
* The SCT takes ownership of the specified pointer.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len);
+__owur int SCT_set0_log_id(SCT *sct, unsigned char *log_id, size_t log_id_len);
/*
* Set the log ID of an SCT.
* This makes a copy of the log_id.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set1_log_id(SCT *sct, const unsigned char *log_id, size_t log_id_len);
+__owur int SCT_set1_log_id(SCT *sct, const unsigned char *log_id,
+ size_t log_id_len);
/*
* Gets the name of the log that an SCT came from.
* Set the signature type of an SCT
* For CT v1, this should be either NID_sha256WithRSAEncryption or
* NID_ecdsa_with_SHA256.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set_signature_nid(SCT *sct, int nid);
+__owur int SCT_set_signature_nid(SCT *sct, int nid);
/*
* Set *ext to point to the extension data for the SCT. ext must not be NULL.
/*
* Set the extensions of an SCT.
* This takes a copy of the ext.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set1_extensions(SCT *sct, const unsigned char *ext, size_t ext_len);
+__owur int SCT_set1_extensions(SCT *sct, const unsigned char *ext,
+ size_t ext_len);
/*
* Set *sig to point to the signature for the SCT. sig must not be NULL.
/*
* Set the signature of an SCT to be a copy of the *sig specified.
- * Returns 1 on success.
+ * Returns 1 on success, 0 otherwise.
*/
-int SCT_set1_signature(SCT *sct, const unsigned char *sig, size_t sig_len);
+__owur int SCT_set1_signature(SCT *sct, const unsigned char *sig,
+ size_t sig_len);
/*
* The origin of this SCT, e.g. TLS extension, OCSP response, etc.
* Set the origin of this SCT, e.g. TLS extension, OCSP response, etc.
* Returns 1 on success, 0 otherwise.
*/
-int SCT_set_source(SCT *sct, sct_source_t source);
+__owur int SCT_set_source(SCT *sct, sct_source_t source);
/*
* Sets the source of all of the SCTs to the same value.
- * Returns 1 on success.
+ * Returns the number of SCTs whose source was set successfully.
*/
-int SCT_LIST_set_source(const STACK_OF(SCT) *scts, sct_source_t source);
+__owur int SCT_LIST_set_source(const STACK_OF(SCT) *scts, sct_source_t source);
/*
* Gets information about the log the SCT came from, if set.
* Returns 1 if the SCT verifies successfully, 0 if it cannot be verified and a
* negative integer if an error occurs.
*/
-int SCT_verify(const SCT_CTX *sctx, const SCT *sct);
+__owur int SCT_verify(const SCT_CTX *sctx, const SCT *sct);
/*
* Verifies an SCT against the provided data.
* Returns 1 if the SCT verifies successfully, 0 if it cannot be verified and a
* negative integer if an error occurs.
*/
-int SCT_verify_v1(SCT *sct, X509 *cert, X509 *preissuer,
+__owur int SCT_verify_v1(SCT *sct, X509 *cert, X509 *preissuer,
X509_PUBKEY *log_pubkey, X509 *issuer_cert);
/*
* Returns 0 if the SCT is invalid or could not be verified.
* Returns -1 if an error occurs.
*/
-int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx);
+__owur int SCT_validate(SCT *sct, const CT_POLICY_EVAL_CTX *ctx);
/*
* Validates the given list of SCTs with the provided context.
* Returns 0 if at least one SCT is invalid or could not be verified.
* Returns a negative integer if an error occurs.
*/
-int SCT_LIST_validate(const STACK_OF(SCT) *scts, CT_POLICY_EVAL_CTX *ctx);
+__owur int SCT_LIST_validate(const STACK_OF(SCT) *scts,
+ CT_POLICY_EVAL_CTX *ctx);
/*********************************
* Returns < 0 on error, >= 0 indicating bytes written (or would have been)
* on success.
*/
-int i2o_SCT_LIST(const STACK_OF(SCT) *a, unsigned char **pp);
+__owur int i2o_SCT_LIST(const STACK_OF(SCT) *a, unsigned char **pp);
/*
* Convert TLS format SCT list to a stack of SCTs.
* Returns < 0 on error, >= 0 indicating bytes written (or would have been)
* on success.
*/
-int i2d_SCT_LIST(STACK_OF(SCT) *a, unsigned char **pp);
+__owur int i2d_SCT_LIST(STACK_OF(SCT) *a, unsigned char **pp);
/*
* Parses an SCT list in DER format and returns it.
* to it.
* The length of the SCT in TLS format will be returned.
*/
-int i2o_SCT(const SCT *sct, unsigned char **out);
+__owur int i2o_SCT(const SCT *sct, unsigned char **out);
/*
* Parses an SCT in TLS format and returns it.
* If |out| points to an allocated string, the signature will be written to it.
* The length of the signature in TLS format will be returned.
*/
-int i2o_SCT_signature(const SCT *sct, unsigned char **out);
+__owur int i2o_SCT_signature(const SCT *sct, unsigned char **out);
/*
* Parses an SCT signature in TLS format and populates the |sct| with it.
* |len| should be the length of the signature in |in|.
* Returns the number of bytes parsed, or a negative integer if an error occurs.
*/
-int o2i_SCT_signature(SCT *sct, const unsigned char **in, size_t len);
+__owur int o2i_SCT_signature(SCT *sct, const unsigned char **in, size_t len);
/********************
* CT log functions *
/*
* Loads a CT log list into a |store| from a |file|.
- * Returns 1 if loading is successful, or a non-positive integer otherwise.
+ * Returns 1 if loading is successful, or 0 otherwise.
*/
-int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file);
+__owur int CTLOG_STORE_load_file(CTLOG_STORE *store, const char *file);
/*
* Loads the default CT log list into a |store|.
* See internal/cryptlib.h for the environment variable and file path that are
* consulted to find the default file.
- * Returns 1 if loading is successful, or a non-positive integer otherwise.
+ * Returns 1 if loading is successful, or 0 otherwise.
*/
-int CTLOG_STORE_load_default_file(CTLOG_STORE *store);
+__owur int CTLOG_STORE_load_default_file(CTLOG_STORE *store);
/* BEGIN ERROR CODES */
/*