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path: root/main/openssl/crypto/pkcs7/bio_ber.c
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Diffstat (limited to 'main/openssl/crypto/pkcs7/bio_ber.c')
-rw-r--r--main/openssl/crypto/pkcs7/bio_ber.c466
1 files changed, 0 insertions, 466 deletions
diff --git a/main/openssl/crypto/pkcs7/bio_ber.c b/main/openssl/crypto/pkcs7/bio_ber.c
deleted file mode 100644
index 31973fcd..00000000
--- a/main/openssl/crypto/pkcs7/bio_ber.c
+++ /dev/null
@@ -1,466 +0,0 @@
-/* crypto/evp/bio_ber.c */
-/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
- * All rights reserved.
- *
- * This package is an SSL implementation written
- * by Eric Young (eay@cryptsoft.com).
- * The implementation was written so as to conform with Netscapes SSL.
- *
- * This library is free for commercial and non-commercial use as long as
- * the following conditions are aheared to. The following conditions
- * apply to all code found in this distribution, be it the RC4, RSA,
- * lhash, DES, etc., code; not just the SSL code. The SSL documentation
- * included with this distribution is covered by the same copyright terms
- * except that the holder is Tim Hudson (tjh@cryptsoft.com).
- *
- * Copyright remains Eric Young's, and as such any Copyright notices in
- * the code are not to be removed.
- * If this package is used in a product, Eric Young should be given attribution
- * as the author of the parts of the library used.
- * This can be in the form of a textual message at program startup or
- * in documentation (online or textual) provided with the package.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * "This product includes cryptographic software written by
- * Eric Young (eay@cryptsoft.com)"
- * The word 'cryptographic' can be left out if the rouines from the library
- * being used are not cryptographic related :-).
- * 4. If you include any Windows specific code (or a derivative thereof) from
- * the apps directory (application code) you must include an acknowledgement:
- * "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
- *
- * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * The licence and distribution terms for any publically available version or
- * derivative of this code cannot be changed. i.e. this code cannot simply be
- * copied and put under another distribution licence
- * [including the GNU Public Licence.]
- */
-
-#include <stdio.h>
-#include <errno.h>
-#include "cryptlib.h"
-#include <openssl/buffer.h>
-#include <openssl/evp.h>
-
-static int ber_write(BIO *h,char *buf,int num);
-static int ber_read(BIO *h,char *buf,int size);
-/*static int ber_puts(BIO *h,char *str); */
-/*static int ber_gets(BIO *h,char *str,int size); */
-static long ber_ctrl(BIO *h,int cmd,long arg1,char *arg2);
-static int ber_new(BIO *h);
-static int ber_free(BIO *data);
-static long ber_callback_ctrl(BIO *h,int cmd,void *(*fp)());
-#define BER_BUF_SIZE (32)
-
-/* This is used to hold the state of the BER objects being read. */
-typedef struct ber_struct
- {
- int tag;
- int class;
- long length;
- int inf;
- int num_left;
- int depth;
- } BER_CTX;
-
-typedef struct bio_ber_struct
- {
- int tag;
- int class;
- long length;
- int inf;
-
- /* most of the following are used when doing non-blocking IO */
- /* reading */
- long num_left; /* number of bytes still to read/write in block */
- int depth; /* used with indefinite encoding. */
- int finished; /* No more read data */
-
- /* writting */
- char *w_addr;
- int w_offset;
- int w_left;
-
- int buf_len;
- int buf_off;
- unsigned char buf[BER_BUF_SIZE];
- } BIO_BER_CTX;
-
-static BIO_METHOD methods_ber=
- {
- BIO_TYPE_CIPHER,"cipher",
- ber_write,
- ber_read,
- NULL, /* ber_puts, */
- NULL, /* ber_gets, */
- ber_ctrl,
- ber_new,
- ber_free,
- ber_callback_ctrl,
- };
-
-BIO_METHOD *BIO_f_ber(void)
- {
- return(&methods_ber);
- }
-
-static int ber_new(BIO *bi)
- {
- BIO_BER_CTX *ctx;
-
- ctx=(BIO_BER_CTX *)OPENSSL_malloc(sizeof(BIO_BER_CTX));
- if (ctx == NULL) return(0);
-
- memset((char *)ctx,0,sizeof(BIO_BER_CTX));
-
- bi->init=0;
- bi->ptr=(char *)ctx;
- bi->flags=0;
- return(1);
- }
-
-static int ber_free(BIO *a)
- {
- BIO_BER_CTX *b;
-
- if (a == NULL) return(0);
- b=(BIO_BER_CTX *)a->ptr;
- OPENSSL_cleanse(a->ptr,sizeof(BIO_BER_CTX));
- OPENSSL_free(a->ptr);
- a->ptr=NULL;
- a->init=0;
- a->flags=0;
- return(1);
- }
-
-int bio_ber_get_header(BIO *bio, BIO_BER_CTX *ctx)
- {
- char buf[64];
- int i,j,n;
- int ret;
- unsigned char *p;
- unsigned long length
- int tag;
- int class;
- long max;
-
- BIO_clear_retry_flags(b);
-
- /* Pack the buffer down if there is a hole at the front */
- if (ctx->buf_off != 0)
- {
- p=ctx->buf;
- j=ctx->buf_off;
- n=ctx->buf_len-j;
- for (i=0; i<n; i++)
- {
- p[0]=p[j];
- p++;
- }
- ctx->buf_len-j;
- ctx->buf_off=0;
- }
-
- /* If there is more room, read some more data */
- i=BER_BUF_SIZE-ctx->buf_len;
- if (i)
- {
- i=BIO_read(bio->next_bio,&(ctx->buf[ctx->buf_len]),i);
- if (i <= 0)
- {
- BIO_copy_next_retry(b);
- return(i);
- }
- else
- ctx->buf_len+=i;
- }
-
- max=ctx->buf_len;
- p=ctx->buf;
- ret=ASN1_get_object(&p,&length,&tag,&class,max);
-
- if (ret & 0x80)
- {
- if ((ctx->buf_len < BER_BUF_SIZE) &&
- (ERR_GET_REASON(ERR_peek_error()) == ASN1_R_TOO_LONG))
- {
- ERR_clear_error(); /* clear the error */
- BIO_set_retry_read(b);
- }
- return(-1);
- }
-
- /* We have no error, we have a header, so make use of it */
-
- if ((ctx->tag >= 0) && (ctx->tag != tag))
- {
- BIOerr(BIO_F_BIO_BER_GET_HEADER,BIO_R_TAG_MISMATCH);
- sprintf(buf,"tag=%d, got %d",ctx->tag,tag);
- ERR_add_error_data(1,buf);
- return(-1);
- }
- if (ret & 0x01)
- if (ret & V_ASN1_CONSTRUCTED)
- }
-
-static int ber_read(BIO *b, char *out, int outl)
- {
- int ret=0,i,n;
- BIO_BER_CTX *ctx;
-
- BIO_clear_retry_flags(b);
-
- if (out == NULL) return(0);
- ctx=(BIO_BER_CTX *)b->ptr;
-
- if ((ctx == NULL) || (b->next_bio == NULL)) return(0);
-
- if (ctx->finished) return(0);
-
-again:
- /* First see if we are half way through reading a block */
- if (ctx->num_left > 0)
- {
- if (ctx->num_left < outl)
- n=ctx->num_left;
- else
- n=outl;
- i=BIO_read(b->next_bio,out,n);
- if (i <= 0)
- {
- BIO_copy_next_retry(b);
- return(i);
- }
- ctx->num_left-=i;
- outl-=i;
- ret+=i;
- if (ctx->num_left <= 0)
- {
- ctx->depth--;
- if (ctx->depth <= 0)
- ctx->finished=1;
- }
- if (outl <= 0)
- return(ret);
- else
- goto again;
- }
- else /* we need to read another BER header */
- {
- }
- }
-
-static int ber_write(BIO *b, char *in, int inl)
- {
- int ret=0,n,i;
- BIO_ENC_CTX *ctx;
-
- ctx=(BIO_ENC_CTX *)b->ptr;
- ret=inl;
-
- BIO_clear_retry_flags(b);
- n=ctx->buf_len-ctx->buf_off;
- while (n > 0)
- {
- i=BIO_write(b->next_bio,&(ctx->buf[ctx->buf_off]),n);
- if (i <= 0)
- {
- BIO_copy_next_retry(b);
- return(i);
- }
- ctx->buf_off+=i;
- n-=i;
- }
- /* at this point all pending data has been written */
-
- if ((in == NULL) || (inl <= 0)) return(0);
-
- ctx->buf_off=0;
- while (inl > 0)
- {
- n=(inl > ENC_BLOCK_SIZE)?ENC_BLOCK_SIZE:inl;
- EVP_CipherUpdate(&(ctx->cipher),
- (unsigned char *)ctx->buf,&ctx->buf_len,
- (unsigned char *)in,n);
- inl-=n;
- in+=n;
-
- ctx->buf_off=0;
- n=ctx->buf_len;
- while (n > 0)
- {
- i=BIO_write(b->next_bio,&(ctx->buf[ctx->buf_off]),n);
- if (i <= 0)
- {
- BIO_copy_next_retry(b);
- return(i);
- }
- n-=i;
- ctx->buf_off+=i;
- }
- ctx->buf_len=0;
- ctx->buf_off=0;
- }
- BIO_copy_next_retry(b);
- return(ret);
- }
-
-static long ber_ctrl(BIO *b, int cmd, long num, char *ptr)
- {
- BIO *dbio;
- BIO_ENC_CTX *ctx,*dctx;
- long ret=1;
- int i;
-
- ctx=(BIO_ENC_CTX *)b->ptr;
-
- switch (cmd)
- {
- case BIO_CTRL_RESET:
- ctx->ok=1;
- ctx->finished=0;
- EVP_CipherInit_ex(&(ctx->cipher),NULL,NULL,NULL,NULL,
- ctx->cipher.berrypt);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_EOF: /* More to read */
- if (ctx->cont <= 0)
- ret=1;
- else
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_WPENDING:
- ret=ctx->buf_len-ctx->buf_off;
- if (ret <= 0)
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_PENDING: /* More to read in buffer */
- ret=ctx->buf_len-ctx->buf_off;
- if (ret <= 0)
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_CTRL_FLUSH:
- /* do a final write */
-again:
- while (ctx->buf_len != ctx->buf_off)
- {
- i=ber_write(b,NULL,0);
- if (i < 0)
- {
- ret=i;
- break;
- }
- }
-
- if (!ctx->finished)
- {
- ctx->finished=1;
- ctx->buf_off=0;
- ret=EVP_CipherFinal_ex(&(ctx->cipher),
- (unsigned char *)ctx->buf,
- &(ctx->buf_len));
- ctx->ok=(int)ret;
- if (ret <= 0) break;
-
- /* push out the bytes */
- goto again;
- }
-
- /* Finally flush the underlying BIO */
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- case BIO_C_GET_CIPHER_STATUS:
- ret=(long)ctx->ok;
- break;
- case BIO_C_DO_STATE_MACHINE:
- BIO_clear_retry_flags(b);
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- BIO_copy_next_retry(b);
- break;
-
- case BIO_CTRL_DUP:
- dbio=(BIO *)ptr;
- dctx=(BIO_ENC_CTX *)dbio->ptr;
- memcpy(&(dctx->cipher),&(ctx->cipher),sizeof(ctx->cipher));
- dbio->init=1;
- break;
- default:
- ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
- break;
- }
- return(ret);
- }
-
-static long ber_callback_ctrl(BIO *b, int cmd, void *(*fp)())
- {
- long ret=1;
-
- if (b->next_bio == NULL) return(0);
- switch (cmd)
- {
- default:
- ret=BIO_callback_ctrl(b->next_bio,cmd,fp);
- break;
- }
- return(ret);
- }
-
-/*
-void BIO_set_cipher_ctx(b,c)
-BIO *b;
-EVP_CIPHER_ctx *c;
- {
- if (b == NULL) return;
-
- if ((b->callback != NULL) &&
- (b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,0L) <= 0))
- return;
-
- b->init=1;
- ctx=(BIO_ENC_CTX *)b->ptr;
- memcpy(ctx->cipher,c,sizeof(EVP_CIPHER_CTX));
-
- if (b->callback != NULL)
- b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,1L);
- }
-*/
-
-void BIO_set_cipher(BIO *b, EVP_CIPHER *c, unsigned char *k, unsigned char *i,
- int e)
- {
- BIO_ENC_CTX *ctx;
-
- if (b == NULL) return;
-
- if ((b->callback != NULL) &&
- (b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,0L) <= 0))
- return;
-
- b->init=1;
- ctx=(BIO_ENC_CTX *)b->ptr;
- EVP_CipherInit_ex(&(ctx->cipher),c,NULL,k,i,e);
-
- if (b->callback != NULL)
- b->callback(b,BIO_CB_CTRL,(char *)c,BIO_CTRL_SET,e,1L);
- }
-
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-28 20:27:42 +0000