diff options
Diffstat (limited to 'crypto/engine/engine.h')
| -rw-r--r-- | crypto/engine/engine.h | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/crypto/engine/engine.h b/crypto/engine/engine.h index e129cde70c..258ec6ec43 100644 --- a/crypto/engine/engine.h +++ b/crypto/engine/engine.h @@ -108,6 +108,15 @@ typedef void DH_METHOD; * control commands on behalf of the ENGINE using their "cmd_defns" data. */ #define ENGINE_FLAGS_MANUAL_CMD_CTRL (int)0x0002 +/* This flag is for ENGINEs who return new duplicate structures when found via + * "ENGINE_by_id()". When an ENGINE must store state (eg. if ENGINE_ctrl() + * commands are called in sequence as part of some stateful process like + * key-generation setup and execution), it can set this flag - then each attempt + * to obtain the ENGINE will result in it being copied into a new structure. + * Normally, ENGINEs don't declare this flag so ENGINE_by_id() just increments + * the existing ENGINE's structural reference count. */ +#define ENGINE_FLAGS_BY_ID_COPY (int)0x0004 + /* ENGINEs can support their own command types, and these flags are used in * ENGINE_CTRL_GET_CMD_FLAGS to indicate to the caller what kind of input each * command expects. Currently only numeric and string input is supported. If a @@ -349,6 +358,11 @@ int ENGINE_set_cmd_defns(ENGINE *e, const ENGINE_CMD_DEFN *defns); /* Copies across all ENGINE methods and pointers. NB: This does *not* change * reference counts however. */ int ENGINE_cpy(ENGINE *dest, const ENGINE *src); +/* These functions (and the "get" function lower down) allow control over any + * per-structure ENGINE data. */ +int ENGINE_get_ex_new_index(long argl, void *argp, CRYPTO_EX_new *new_func, + CRYPTO_EX_dup *dup_func, CRYPTO_EX_free *free_func); +int ENGINE_set_ex_data(ENGINE *e, int idx, void *arg); /* Cleans the internal engine structure. This should only be used when the * application is about to exit. */ void ENGINE_cleanup(void); @@ -372,6 +386,7 @@ ENGINE_LOAD_KEY_PTR ENGINE_get_load_privkey_function(const ENGINE *e); ENGINE_LOAD_KEY_PTR ENGINE_get_load_pubkey_function(const ENGINE *e); const ENGINE_CMD_DEFN *ENGINE_get_cmd_defns(const ENGINE *e); int ENGINE_get_flags(const ENGINE *e); +void *ENGINE_get_ex_data(const ENGINE *e, int idx); /* FUNCTIONAL functions. These functions deal with ENGINE structures * that have (or will) be initialised for use. Broadly speaking, the |