From aa4d426b4d3527d7e166df1a05058c9a4a0f6683 Mon Sep 17 00:00:00 2001 From: Wojtek Kosior Date: Fri, 30 Apr 2021 00:33:56 +0200 Subject: initial/final commit --- openssl-1.1.0h/crypto/bio/bio_lib.c | 600 ++++++++++++++++++++++++++++++++++++ 1 file changed, 600 insertions(+) create mode 100644 openssl-1.1.0h/crypto/bio/bio_lib.c (limited to 'openssl-1.1.0h/crypto/bio/bio_lib.c') diff --git a/openssl-1.1.0h/crypto/bio/bio_lib.c b/openssl-1.1.0h/crypto/bio/bio_lib.c new file mode 100644 index 0000000..7b98dc9 --- /dev/null +++ b/openssl-1.1.0h/crypto/bio/bio_lib.c @@ -0,0 +1,600 @@ +/* + * Copyright 1995-2018 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 +#include +#include +#include "bio_lcl.h" +#include "internal/cryptlib.h" + +BIO *BIO_new(const BIO_METHOD *method) +{ + BIO *bio = OPENSSL_zalloc(sizeof(*bio)); + + if (bio == NULL) { + BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); + return (NULL); + } + + bio->method = method; + bio->shutdown = 1; + bio->references = 1; + + if (!CRYPTO_new_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data)) + goto err; + + bio->lock = CRYPTO_THREAD_lock_new(); + if (bio->lock == NULL) { + BIOerr(BIO_F_BIO_NEW, ERR_R_MALLOC_FAILURE); + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); + goto err; + } + + if (method->create != NULL && !method->create(bio)) { + BIOerr(BIO_F_BIO_NEW, ERR_R_INIT_FAIL); + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); + CRYPTO_THREAD_lock_free(bio->lock); + goto err; + } + if (method->create == NULL) + bio->init = 1; + + return bio; + +err: + OPENSSL_free(bio); + return NULL; +} + +int BIO_free(BIO *a) +{ + int i; + + if (a == NULL) + return 0; + + if (CRYPTO_atomic_add(&a->references, -1, &i, a->lock) <= 0) + return 0; + + REF_PRINT_COUNT("BIO", a); + if (i > 0) + return 1; + REF_ASSERT_ISNT(i < 0); + if ((a->callback != NULL) && + ((i = (int)a->callback(a, BIO_CB_FREE, NULL, 0, 0L, 1L)) <= 0)) + return i; + + if ((a->method != NULL) && (a->method->destroy != NULL)) + a->method->destroy(a); + + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, a, &a->ex_data); + + CRYPTO_THREAD_lock_free(a->lock); + + OPENSSL_free(a); + + return 1; +} + +void BIO_set_data(BIO *a, void *ptr) +{ + a->ptr = ptr; +} + +void *BIO_get_data(BIO *a) +{ + return a->ptr; +} + +void BIO_set_init(BIO *a, int init) +{ + a->init = init; +} + +int BIO_get_init(BIO *a) +{ + return a->init; +} + +void BIO_set_shutdown(BIO *a, int shut) +{ + a->shutdown = shut; +} + +int BIO_get_shutdown(BIO *a) +{ + return a->shutdown; +} + +void BIO_vfree(BIO *a) +{ + BIO_free(a); +} + +int BIO_up_ref(BIO *a) +{ + int i; + + if (CRYPTO_atomic_add(&a->references, 1, &i, a->lock) <= 0) + return 0; + + REF_PRINT_COUNT("BIO", a); + REF_ASSERT_ISNT(i < 2); + return ((i > 1) ? 1 : 0); +} + +void BIO_clear_flags(BIO *b, int flags) +{ + b->flags &= ~flags; +} + +int BIO_test_flags(const BIO *b, int flags) +{ + return (b->flags & flags); +} + +void BIO_set_flags(BIO *b, int flags) +{ + b->flags |= flags; +} + +long (*BIO_get_callback(const BIO *b)) (struct bio_st *, int, const char *, + int, long, long) { + return b->callback; +} + +void BIO_set_callback(BIO *b, + long (*cb) (struct bio_st *, int, const char *, int, + long, long)) +{ + b->callback = cb; +} + +void BIO_set_callback_arg(BIO *b, char *arg) +{ + b->cb_arg = arg; +} + +char *BIO_get_callback_arg(const BIO *b) +{ + return b->cb_arg; +} + +const char *BIO_method_name(const BIO *b) +{ + return b->method->name; +} + +int BIO_method_type(const BIO *b) +{ + return b->method->type; +} + +int BIO_read(BIO *b, void *out, int outl) +{ + int i; + long (*cb) (BIO *, int, const char *, int, long, long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bread == NULL)) { + BIOerr(BIO_F_BIO_READ, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + cb = b->callback; + if ((cb != NULL) && + ((i = (int)cb(b, BIO_CB_READ, out, outl, 0L, 1L)) <= 0)) + return (i); + + if (!b->init) { + BIOerr(BIO_F_BIO_READ, BIO_R_UNINITIALIZED); + return (-2); + } + + i = b->method->bread(b, out, outl); + + if (i > 0) + b->num_read += (uint64_t)i; + + if (cb != NULL) + i = (int)cb(b, BIO_CB_READ | BIO_CB_RETURN, out, outl, 0L, (long)i); + return (i); +} + +int BIO_write(BIO *b, const void *in, int inl) +{ + int i; + long (*cb) (BIO *, int, const char *, int, long, long); + + if (b == NULL) + return (0); + + cb = b->callback; + if ((b->method == NULL) || (b->method->bwrite == NULL)) { + BIOerr(BIO_F_BIO_WRITE, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + if ((cb != NULL) && + ((i = (int)cb(b, BIO_CB_WRITE, in, inl, 0L, 1L)) <= 0)) + return (i); + + if (!b->init) { + BIOerr(BIO_F_BIO_WRITE, BIO_R_UNINITIALIZED); + return (-2); + } + + i = b->method->bwrite(b, in, inl); + + if (i > 0) + b->num_write += (uint64_t)i; + + if (cb != NULL) + i = (int)cb(b, BIO_CB_WRITE | BIO_CB_RETURN, in, inl, 0L, (long)i); + return (i); +} + +int BIO_puts(BIO *b, const char *in) +{ + int i; + long (*cb) (BIO *, int, const char *, int, long, long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bputs == NULL)) { + BIOerr(BIO_F_BIO_PUTS, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + cb = b->callback; + + if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_PUTS, in, 0, 0L, 1L)) <= 0)) + return (i); + + if (!b->init) { + BIOerr(BIO_F_BIO_PUTS, BIO_R_UNINITIALIZED); + return (-2); + } + + i = b->method->bputs(b, in); + + if (i > 0) + b->num_write += (uint64_t)i; + + if (cb != NULL) + i = (int)cb(b, BIO_CB_PUTS | BIO_CB_RETURN, in, 0, 0L, (long)i); + return (i); +} + +int BIO_gets(BIO *b, char *in, int inl) +{ + int i; + long (*cb) (BIO *, int, const char *, int, long, long); + + if ((b == NULL) || (b->method == NULL) || (b->method->bgets == NULL)) { + BIOerr(BIO_F_BIO_GETS, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + cb = b->callback; + + if ((cb != NULL) && ((i = (int)cb(b, BIO_CB_GETS, in, inl, 0L, 1L)) <= 0)) + return (i); + + if (!b->init) { + BIOerr(BIO_F_BIO_GETS, BIO_R_UNINITIALIZED); + return (-2); + } + + i = b->method->bgets(b, in, inl); + + if (cb != NULL) + i = (int)cb(b, BIO_CB_GETS | BIO_CB_RETURN, in, inl, 0L, (long)i); + return (i); +} + +int BIO_indent(BIO *b, int indent, int max) +{ + if (indent < 0) + indent = 0; + if (indent > max) + indent = max; + while (indent--) + if (BIO_puts(b, " ") != 1) + return 0; + return 1; +} + +long BIO_int_ctrl(BIO *b, int cmd, long larg, int iarg) +{ + int i; + + i = iarg; + return (BIO_ctrl(b, cmd, larg, (char *)&i)); +} + +void *BIO_ptr_ctrl(BIO *b, int cmd, long larg) +{ + void *p = NULL; + + if (BIO_ctrl(b, cmd, larg, (char *)&p) <= 0) + return (NULL); + else + return (p); +} + +long BIO_ctrl(BIO *b, int cmd, long larg, void *parg) +{ + long ret; + long (*cb) (BIO *, int, const char *, int, long, long); + + if (b == NULL) + return (0); + + if ((b->method == NULL) || (b->method->ctrl == NULL)) { + BIOerr(BIO_F_BIO_CTRL, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + cb = b->callback; + + if ((cb != NULL) && + ((ret = cb(b, BIO_CB_CTRL, parg, cmd, larg, 1L)) <= 0)) + return (ret); + + ret = b->method->ctrl(b, cmd, larg, parg); + + if (cb != NULL) + ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, parg, cmd, larg, ret); + return (ret); +} + +long BIO_callback_ctrl(BIO *b, int cmd, BIO_info_cb *fp) +{ + long ret; + long (*cb) (BIO *, int, const char *, int, long, long); + + if (b == NULL) + return (0); + + if ((b->method == NULL) || (b->method->callback_ctrl == NULL)) { + BIOerr(BIO_F_BIO_CALLBACK_CTRL, BIO_R_UNSUPPORTED_METHOD); + return (-2); + } + + cb = b->callback; + + if ((cb != NULL) && + ((ret = cb(b, BIO_CB_CTRL, (void *)&fp, cmd, 0, 1L)) <= 0)) + return (ret); + + ret = b->method->callback_ctrl(b, cmd, fp); + + if (cb != NULL) + ret = cb(b, BIO_CB_CTRL | BIO_CB_RETURN, (void *)&fp, cmd, 0, ret); + return (ret); +} + +/* + * It is unfortunate to duplicate in functions what the BIO_(w)pending macros + * do; but those macros have inappropriate return type, and for interfacing + * from other programming languages, C macros aren't much of a help anyway. + */ +size_t BIO_ctrl_pending(BIO *bio) +{ + return BIO_ctrl(bio, BIO_CTRL_PENDING, 0, NULL); +} + +size_t BIO_ctrl_wpending(BIO *bio) +{ + return BIO_ctrl(bio, BIO_CTRL_WPENDING, 0, NULL); +} + +/* put the 'bio' on the end of b's list of operators */ +BIO *BIO_push(BIO *b, BIO *bio) +{ + BIO *lb; + + if (b == NULL) + return (bio); + lb = b; + while (lb->next_bio != NULL) + lb = lb->next_bio; + lb->next_bio = bio; + if (bio != NULL) + bio->prev_bio = lb; + /* called to do internal processing */ + BIO_ctrl(b, BIO_CTRL_PUSH, 0, lb); + return (b); +} + +/* Remove the first and return the rest */ +BIO *BIO_pop(BIO *b) +{ + BIO *ret; + + if (b == NULL) + return (NULL); + ret = b->next_bio; + + BIO_ctrl(b, BIO_CTRL_POP, 0, b); + + if (b->prev_bio != NULL) + b->prev_bio->next_bio = b->next_bio; + if (b->next_bio != NULL) + b->next_bio->prev_bio = b->prev_bio; + + b->next_bio = NULL; + b->prev_bio = NULL; + return (ret); +} + +BIO *BIO_get_retry_BIO(BIO *bio, int *reason) +{ + BIO *b, *last; + + b = last = bio; + for (;;) { + if (!BIO_should_retry(b)) + break; + last = b; + b = b->next_bio; + if (b == NULL) + break; + } + if (reason != NULL) + *reason = last->retry_reason; + return (last); +} + +int BIO_get_retry_reason(BIO *bio) +{ + return (bio->retry_reason); +} + +void BIO_set_retry_reason(BIO *bio, int reason) +{ + bio->retry_reason = reason; +} + +BIO *BIO_find_type(BIO *bio, int type) +{ + int mt, mask; + + if (bio == NULL) + return NULL; + mask = type & 0xff; + do { + if (bio->method != NULL) { + mt = bio->method->type; + + if (!mask) { + if (mt & type) + return (bio); + } else if (mt == type) + return (bio); + } + bio = bio->next_bio; + } while (bio != NULL); + return (NULL); +} + +BIO *BIO_next(BIO *b) +{ + if (b == NULL) + return NULL; + return b->next_bio; +} + +void BIO_set_next(BIO *b, BIO *next) +{ + b->next_bio = next; +} + +void BIO_free_all(BIO *bio) +{ + BIO *b; + int ref; + + while (bio != NULL) { + b = bio; + ref = b->references; + bio = bio->next_bio; + BIO_free(b); + /* Since ref count > 1, don't free anyone else. */ + if (ref > 1) + break; + } +} + +BIO *BIO_dup_chain(BIO *in) +{ + BIO *ret = NULL, *eoc = NULL, *bio, *new_bio; + + for (bio = in; bio != NULL; bio = bio->next_bio) { + if ((new_bio = BIO_new(bio->method)) == NULL) + goto err; + new_bio->callback = bio->callback; + new_bio->cb_arg = bio->cb_arg; + new_bio->init = bio->init; + new_bio->shutdown = bio->shutdown; + new_bio->flags = bio->flags; + + /* This will let SSL_s_sock() work with stdin/stdout */ + new_bio->num = bio->num; + + if (!BIO_dup_state(bio, (char *)new_bio)) { + BIO_free(new_bio); + goto err; + } + + /* copy app data */ + if (!CRYPTO_dup_ex_data(CRYPTO_EX_INDEX_BIO, &new_bio->ex_data, + &bio->ex_data)) { + BIO_free(new_bio); + goto err; + } + + if (ret == NULL) { + eoc = new_bio; + ret = eoc; + } else { + BIO_push(eoc, new_bio); + eoc = new_bio; + } + } + return (ret); + err: + BIO_free_all(ret); + + return (NULL); +} + +void BIO_copy_next_retry(BIO *b) +{ + BIO_set_flags(b, BIO_get_retry_flags(b->next_bio)); + b->retry_reason = b->next_bio->retry_reason; +} + +int BIO_set_ex_data(BIO *bio, int idx, void *data) +{ + return (CRYPTO_set_ex_data(&(bio->ex_data), idx, data)); +} + +void *BIO_get_ex_data(BIO *bio, int idx) +{ + return (CRYPTO_get_ex_data(&(bio->ex_data), idx)); +} + +uint64_t BIO_number_read(BIO *bio) +{ + if (bio) + return bio->num_read; + return 0; +} + +uint64_t BIO_number_written(BIO *bio) +{ + if (bio) + return bio->num_write; + return 0; +} + +void bio_free_ex_data(BIO *bio) +{ + CRYPTO_free_ex_data(CRYPTO_EX_INDEX_BIO, bio, &bio->ex_data); +} + +void bio_cleanup(void) +{ +#ifndef OPENSSL_NO_SOCK + bio_sock_cleanup_int(); + CRYPTO_THREAD_lock_free(bio_lookup_lock); + bio_lookup_lock = NULL; +#endif + CRYPTO_THREAD_lock_free(bio_type_lock); + bio_type_lock = NULL; +} -- cgit v1.2.3