diff options
Diffstat (limited to 'openssl/crypto/engine/eng_table.c')
| -rw-r--r-- | openssl/crypto/engine/eng_table.c | 72 |
1 files changed, 54 insertions, 18 deletions
diff --git a/openssl/crypto/engine/eng_table.c b/openssl/crypto/engine/eng_table.c index 8879a267d..4fde94818 100644 --- a/openssl/crypto/engine/eng_table.c +++ b/openssl/crypto/engine/eng_table.c @@ -70,12 +70,22 @@ typedef struct st_engine_pile int uptodate; } ENGINE_PILE; +DECLARE_LHASH_OF(ENGINE_PILE); + /* The type exposed in eng_int.h */ struct st_engine_table { - LHASH piles; + LHASH_OF(ENGINE_PILE) piles; }; /* ENGINE_TABLE */ + +typedef struct st_engine_pile_doall + { + engine_table_doall_cb *cb; + void *arg; + } ENGINE_PILE_DOALL; + + /* Global flags (ENGINE_TABLE_FLAG_***). */ static unsigned int table_flags = 0; @@ -84,6 +94,7 @@ unsigned int ENGINE_get_table_flags(void) { return table_flags; } + void ENGINE_set_table_flags(unsigned int flags) { table_flags = flags; @@ -94,19 +105,21 @@ static unsigned long engine_pile_hash(const ENGINE_PILE *c) { return c->nid; } + static int engine_pile_cmp(const ENGINE_PILE *a, const ENGINE_PILE *b) { return a->nid - b->nid; } -static IMPLEMENT_LHASH_HASH_FN(engine_pile_hash, const ENGINE_PILE *) -static IMPLEMENT_LHASH_COMP_FN(engine_pile_cmp, const ENGINE_PILE *) +static IMPLEMENT_LHASH_HASH_FN(engine_pile, ENGINE_PILE) +static IMPLEMENT_LHASH_COMP_FN(engine_pile, ENGINE_PILE) + static int int_table_check(ENGINE_TABLE **t, int create) { - LHASH *lh; + LHASH_OF(ENGINE_PILE) *lh; + if(*t) return 1; if(!create) return 0; - if((lh = lh_new(LHASH_HASH_FN(engine_pile_hash), - LHASH_COMP_FN(engine_pile_cmp))) == NULL) + if((lh = lh_ENGINE_PILE_new()) == NULL) return 0; *t = (ENGINE_TABLE *)lh; return 1; @@ -130,7 +143,7 @@ int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup, while(num_nids--) { tmplate.nid = *nids; - fnd = lh_retrieve(&(*table)->piles, &tmplate); + fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate); if(!fnd) { fnd = OPENSSL_malloc(sizeof(ENGINE_PILE)); @@ -144,7 +157,7 @@ int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup, goto end; } fnd->funct = NULL; - lh_insert(&(*table)->piles, fnd); + (void)lh_ENGINE_PILE_insert(&(*table)->piles, fnd); } /* A registration shouldn't add duplciate entries */ (void)sk_ENGINE_delete_ptr(fnd->sk, e); @@ -173,7 +186,7 @@ end: CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); return ret; } -static void int_unregister_cb(ENGINE_PILE *pile, ENGINE *e) +static void int_unregister_cb_doall_arg(ENGINE_PILE *pile, ENGINE *e) { int n; /* Iterate the 'c->sk' stack removing any occurance of 'e' */ @@ -188,31 +201,35 @@ static void int_unregister_cb(ENGINE_PILE *pile, ENGINE *e) pile->funct = NULL; } } -static IMPLEMENT_LHASH_DOALL_ARG_FN(int_unregister_cb,ENGINE_PILE *,ENGINE *) +static IMPLEMENT_LHASH_DOALL_ARG_FN(int_unregister_cb, ENGINE_PILE, ENGINE) + void engine_table_unregister(ENGINE_TABLE **table, ENGINE *e) { CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); if(int_table_check(table, 0)) - lh_doall_arg(&(*table)->piles, - LHASH_DOALL_ARG_FN(int_unregister_cb), e); + lh_ENGINE_PILE_doall_arg(&(*table)->piles, + LHASH_DOALL_ARG_FN(int_unregister_cb), + ENGINE, e); CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); } -static void int_cleanup_cb(ENGINE_PILE *p) +static void int_cleanup_cb_doall(ENGINE_PILE *p) { sk_ENGINE_free(p->sk); if(p->funct) engine_unlocked_finish(p->funct, 0); OPENSSL_free(p); } -static IMPLEMENT_LHASH_DOALL_FN(int_cleanup_cb,ENGINE_PILE *) +static IMPLEMENT_LHASH_DOALL_FN(int_cleanup_cb, ENGINE_PILE) + void engine_table_cleanup(ENGINE_TABLE **table) { CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); if(*table) { - lh_doall(&(*table)->piles, LHASH_DOALL_FN(int_cleanup_cb)); - lh_free(&(*table)->piles); + lh_ENGINE_PILE_doall(&(*table)->piles, + LHASH_DOALL_FN(int_cleanup_cb)); + lh_ENGINE_PILE_free(&(*table)->piles); *table = NULL; } CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); @@ -237,12 +254,13 @@ ENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f, in #endif return NULL; } + ERR_set_mark(); CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); /* Check again inside the lock otherwise we could race against cleanup * operations. But don't worry about a fprintf(stderr). */ if(!int_table_check(table, 0)) goto end; tmplate.nid = nid; - fnd = lh_retrieve(&(*table)->piles, &tmplate); + fnd = lh_ENGINE_PILE_retrieve(&(*table)->piles, &tmplate); if(!fnd) goto end; if(fnd->funct && engine_unlocked_init(fnd->funct)) { @@ -310,6 +328,24 @@ end: CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); /* Whatever happened, any failed init()s are not failures in this * context, so clear our error state. */ - ERR_clear_error(); + ERR_pop_to_mark(); return ret; } + +/* Table enumeration */ + +static void int_cb_doall_arg(ENGINE_PILE *pile, ENGINE_PILE_DOALL *dall) + { + dall->cb(pile->nid, pile->sk, pile->funct, dall->arg); + } +static IMPLEMENT_LHASH_DOALL_ARG_FN(int_cb, ENGINE_PILE,ENGINE_PILE_DOALL) + +void engine_table_doall(ENGINE_TABLE *table, engine_table_doall_cb *cb, + void *arg) + { + ENGINE_PILE_DOALL dall; + dall.cb = cb; + dall.arg = arg; + lh_ENGINE_PILE_doall_arg(&table->piles, LHASH_DOALL_ARG_FN(int_cb), + ENGINE_PILE_DOALL, &dall); + } |