diff options
Diffstat (limited to 'roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/bio/bio_meth.c')
| -rw-r--r-- | roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/bio/bio_meth.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/bio/bio_meth.c b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/bio/bio_meth.c new file mode 100644 index 000000000..da1164619 --- /dev/null +++ b/roms/edk2/CryptoPkg/Library/OpensslLib/openssl/crypto/bio/bio_meth.c @@ -0,0 +1,220 @@ +/* + * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved. + * + * Licensed under the OpenSSL license (the "License"). You may not use + * this file except in compliance with the License. You can obtain a copy + * in the file LICENSE in the source distribution or at + * https://www.openssl.org/source/license.html + */ + +#include "bio_local.h" +#include "internal/thread_once.h" + +CRYPTO_RWLOCK *bio_type_lock = NULL; +static CRYPTO_ONCE bio_type_init = CRYPTO_ONCE_STATIC_INIT; + +DEFINE_RUN_ONCE_STATIC(do_bio_type_init) +{ + bio_type_lock = CRYPTO_THREAD_lock_new(); + return bio_type_lock != NULL; +} + +int BIO_get_new_index(void) +{ + static CRYPTO_REF_COUNT bio_count = BIO_TYPE_START; + int newval; + + if (!RUN_ONCE(&bio_type_init, do_bio_type_init)) { + BIOerr(BIO_F_BIO_GET_NEW_INDEX, ERR_R_MALLOC_FAILURE); + return -1; + } + if (!CRYPTO_UP_REF(&bio_count, &newval, bio_type_lock)) + return -1; + return newval; +} + +BIO_METHOD *BIO_meth_new(int type, const char *name) +{ + BIO_METHOD *biom = OPENSSL_zalloc(sizeof(BIO_METHOD)); + + if (biom == NULL + || (biom->name = OPENSSL_strdup(name)) == NULL) { + OPENSSL_free(biom); + BIOerr(BIO_F_BIO_METH_NEW, ERR_R_MALLOC_FAILURE); + return NULL; + } + biom->type = type; + return biom; +} + +void BIO_meth_free(BIO_METHOD *biom) +{ + if (biom != NULL) { + OPENSSL_free(biom->name); + OPENSSL_free(biom); + } +} + +int (*BIO_meth_get_write(const BIO_METHOD *biom)) (BIO *, const char *, int) +{ + return biom->bwrite_old; +} + +int (*BIO_meth_get_write_ex(const BIO_METHOD *biom)) (BIO *, const char *, size_t, + size_t *) +{ + return biom->bwrite; +} + +/* Conversion for old style bwrite to new style */ +int bwrite_conv(BIO *bio, const char *data, size_t datal, size_t *written) +{ + int ret; + + if (datal > INT_MAX) + datal = INT_MAX; + + ret = bio->method->bwrite_old(bio, data, (int)datal); + + if (ret <= 0) { + *written = 0; + return ret; + } + + *written = (size_t)ret; + + return 1; +} + +int BIO_meth_set_write(BIO_METHOD *biom, + int (*bwrite) (BIO *, const char *, int)) +{ + biom->bwrite_old = bwrite; + biom->bwrite = bwrite_conv; + return 1; +} + +int BIO_meth_set_write_ex(BIO_METHOD *biom, + int (*bwrite) (BIO *, const char *, size_t, size_t *)) +{ + biom->bwrite_old = NULL; + biom->bwrite = bwrite; + return 1; +} + +int (*BIO_meth_get_read(const BIO_METHOD *biom)) (BIO *, char *, int) +{ + return biom->bread_old; +} + +int (*BIO_meth_get_read_ex(const BIO_METHOD *biom)) (BIO *, char *, size_t, size_t *) +{ + return biom->bread; +} + +/* Conversion for old style bread to new style */ +int bread_conv(BIO *bio, char *data, size_t datal, size_t *readbytes) +{ + int ret; + + if (datal > INT_MAX) + datal = INT_MAX; + + ret = bio->method->bread_old(bio, data, (int)datal); + + if (ret <= 0) { + *readbytes = 0; + return ret; + } + + *readbytes = (size_t)ret; + + return 1; +} + +int BIO_meth_set_read(BIO_METHOD *biom, + int (*bread) (BIO *, char *, int)) +{ + biom->bread_old = bread; + biom->bread = bread_conv; + return 1; +} + +int BIO_meth_set_read_ex(BIO_METHOD *biom, + int (*bread) (BIO *, char *, size_t, size_t *)) +{ + biom->bread_old = NULL; + biom->bread = bread; + return 1; +} + +int (*BIO_meth_get_puts(const BIO_METHOD *biom)) (BIO *, const char *) +{ + return biom->bputs; +} + +int BIO_meth_set_puts(BIO_METHOD *biom, + int (*bputs) (BIO *, const char *)) +{ + biom->bputs = bputs; + return 1; +} + +int (*BIO_meth_get_gets(const BIO_METHOD *biom)) (BIO *, char *, int) +{ + return biom->bgets; +} + +int BIO_meth_set_gets(BIO_METHOD *biom, + int (*bgets) (BIO *, char *, int)) +{ + biom->bgets = bgets; + return 1; +} + +long (*BIO_meth_get_ctrl(const BIO_METHOD *biom)) (BIO *, int, long, void *) +{ + return biom->ctrl; +} + +int BIO_meth_set_ctrl(BIO_METHOD *biom, + long (*ctrl) (BIO *, int, long, void *)) +{ + biom->ctrl = ctrl; + return 1; +} + +int (*BIO_meth_get_create(const BIO_METHOD *biom)) (BIO *) +{ + return biom->create; +} + +int BIO_meth_set_create(BIO_METHOD *biom, int (*create) (BIO *)) +{ + biom->create = create; + return 1; +} + +int (*BIO_meth_get_destroy(const BIO_METHOD *biom)) (BIO *) +{ + return biom->destroy; +} + +int BIO_meth_set_destroy(BIO_METHOD *biom, int (*destroy) (BIO *)) +{ + biom->destroy = destroy; + return 1; +} + +long (*BIO_meth_get_callback_ctrl(const BIO_METHOD *biom)) (BIO *, int, BIO_info_cb *) +{ + return biom->callback_ctrl; +} + +int BIO_meth_set_callback_ctrl(BIO_METHOD *biom, + long (*callback_ctrl) (BIO *, int, + BIO_info_cb *)) +{ + biom->callback_ctrl = callback_ctrl; + return 1; +} |