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C++ BIO_copy_next_retry函数代码示例

原作者: [db:作者] 来自: [db:来源] 收藏 邀请

本文整理汇总了C++中BIO_copy_next_retry函数的典型用法代码示例。如果您正苦于以下问题：C++ BIO_copy_next_retry函数的具体用法？C++ BIO_copy_next_retry怎么用？C++ BIO_copy_next_retry使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。



在下文中一共展示了BIO_copy_next_retry函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: nullf_ctrl

static long nullf_ctrl(BIO *b, int cmd, long num, void *ptr)
{
    long ret;

    if (b->next_bio == NULL)
        return 0;
    switch (cmd) {
    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:
        ret = 0L;
        break;
    default:
        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
    }
    return ret;
}
开发者ID:RTEMS，项目名称:rtems-libbsd，代码行数:20，代码来源:bf_null.c


示例2: acpt_write

static int acpt_write (BIO * b, const char *in, int inl)
{
    int ret;

    BIO_ACCEPT *data;

    BIO_clear_retry_flags (b);
    data = (BIO_ACCEPT *) b->ptr;

    while (b->next_bio == NULL)
    {
        ret = acpt_state (b, data);
        if (ret <= 0)
            return (ret);
    }

    ret = BIO_write (b->next_bio, in, inl);
    BIO_copy_next_retry (b);
    return (ret);
}
开发者ID:274914765，项目名称:C，代码行数:20，代码来源:bss_acpt.c


示例3: acpt_read

static int acpt_read (BIO * b, char *out, int outl)
{
    int ret = 0;

    BIO_ACCEPT *data;

    BIO_clear_retry_flags (b);
    data = (BIO_ACCEPT *) b->ptr;

    while (b->next_bio == NULL)
    {
        ret = acpt_state (b, data);
        if (ret <= 0)
            return (ret);
    }

    ret = BIO_read (b->next_bio, out, outl);
    BIO_copy_next_retry (b);
    return (ret);
}
开发者ID:274914765，项目名称:C，代码行数:20，代码来源:bss_acpt.c


示例4: proxy_read

int proxy_read(BIO *b, char *buf, int sz)
{
  int r;
  struct proxy_ctx *ctx = (struct proxy_ctx *) b->ptr;

  assert(buf);

  if (!b->next_bio)
    return 0;

  if (!ctx->connected) {
    assert(ctx->connect);
    if (!ctx->connect(b))
      return 0;
  }

  r = BIO_read(b->next_bio, buf, sz);
  BIO_clear_retry_flags(b);
  BIO_copy_next_retry(b);
  return r;
}
开发者ID:AlexeySalmin，项目名称:tlsdate，代码行数:21，代码来源:proxy-bio-plan9.c


示例5: md_write

static int md_write(BIO *b, const char *in, int inl)
	{
	int ret=0;
	EVP_MD_CTX *ctx;

	if ((in == NULL) || (inl <= 0)) return(0);
	ctx=b->ptr;

	if ((ctx != NULL) && (b->next_bio != NULL))
		ret=BIO_write(b->next_bio,in,inl);
	if (b->init)
		{
		if (ret > 0)
			{
			EVP_DigestUpdate(ctx,(unsigned char *)in,
				(unsigned int)ret);
			}
		}
	BIO_clear_retry_flags(b);
	BIO_copy_next_retry(b);
	return(ret);
	}
开发者ID:S0043640wipro，项目名称:RiCRiPInt，代码行数:22，代码来源:bio_md.c


示例6: nbiof_write

static int nbiof_write(BIO *b, const char *in, int inl)
{
    NBIO_TEST *nt;
    int ret = 0;
    int num;
    unsigned char n;

    if ((in == NULL) || (inl <= 0))
        return (0);
    if (b->next_bio == NULL)
        return (0);
    nt = (NBIO_TEST *)b->ptr;

    BIO_clear_retry_flags(b);

    if (nt->lwn > 0) {
        num = nt->lwn;
        nt->lwn = 0;
    } else {
        if (RAND_bytes(&n, 1) <= 0)
            return -1;
        num = (n & 7);
    }

    if (inl > num)
        inl = num;

    if (num == 0) {
        ret = -1;
        BIO_set_retry_write(b);
    } else {
        ret = BIO_write(b->next_bio, in, inl);
        if (ret < 0) {
            BIO_copy_next_retry(b);
            nt->lwn = inl;
        }
    }
    return (ret);
}
开发者ID:TheTypoMaster，项目名称:openssl，代码行数:39，代码来源:bf_nbio.c


示例7: proxy_ctrl

long proxy_ctrl(BIO *b, int cmd, long num, void *ptr)
{
  long ret;
  struct proxy_ctx *ctx;
  if (!b->next_bio)
    return 0;
  ctx = (struct proxy_ctx *) b->ptr;
  assert(ctx);

  switch (cmd) {
  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:
    ret = 0;
    break;
  default:
    ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
  }
  return ret;
}
开发者ID:AlexeySalmin，项目名称:tlsdate，代码行数:23，代码来源:proxy-bio-plan9.c


示例8: nbiof_read

static int nbiof_read (BIO * b, char *out, int outl)
{
    int ret = 0;

#if 1
    int num;

    unsigned char n;
#endif

    if (out == NULL)
        return (0);
    if (b->next_bio == NULL)
        return (0);

    BIO_clear_retry_flags (b);
#if 1
    RAND_pseudo_bytes (&n, 1);
    num = (n & 0x07);

    if (outl > num)
        outl = num;

    if (num == 0)
    {
        ret = -1;
        BIO_set_retry_read (b);
    }
    else
#endif
    {
        ret = BIO_read (b->next_bio, out, outl);
        if (ret < 0)
            BIO_copy_next_retry (b);
    }
    return (ret);
}
开发者ID:274914765，项目名称:C，代码行数:37，代码来源:bf_nbio.c


示例9: buffer_read

static int
buffer_read(BIO *b, char *out, int outl)
{
	int i, num = 0;
	BIO_F_BUFFER_CTX *ctx;

	if (out == NULL)
		return (0);
	ctx = (BIO_F_BUFFER_CTX *)b->ptr;

	if ((ctx == NULL) || (b->next_bio == NULL))
		return (0);
	num = 0;
	BIO_clear_retry_flags(b);

start:
	i = ctx->ibuf_len;
	/* If there is stuff left over, grab it */
	if (i != 0) {
		if (i > outl)
			i = outl;
		memcpy(out, &(ctx->ibuf[ctx->ibuf_off]), i);
		ctx->ibuf_off += i;
		ctx->ibuf_len -= i;
		num += i;
		if (outl == i)
			return (num);
		outl -= i;
		out += i;
	}

	/* We may have done a partial read. try to do more.
	 * We have nothing in the buffer.
	 * If we get an error and have read some data, just return it
	 * and let them retry to get the error again.
	 * copy direct to parent address space */
	if (outl > ctx->ibuf_size) {
		for (;;) {
			i = BIO_read(b->next_bio, out, outl);
			if (i <= 0) {
				BIO_copy_next_retry(b);
				if (i < 0)
					return ((num > 0) ? num : i);
				if (i == 0)
					return (num);
			}
			num += i;
			if (outl == i)
				return (num);
			out += i;
			outl -= i;
		}
	}
	/* else */

	/* we are going to be doing some buffering */
	i = BIO_read(b->next_bio, ctx->ibuf, ctx->ibuf_size);
	if (i <= 0) {
		BIO_copy_next_retry(b);
		if (i < 0)
			return ((num > 0) ? num : i);
		if (i == 0)
			return (num);
	}
	ctx->ibuf_off = 0;
	ctx->ibuf_len = i;

	/* Lets re-read using ourselves :-) */
	goto start;
}
开发者ID:2trill2spill，项目名称:nextgen，代码行数:70，代码来源:bf_buff.c


示例10: crlfbuffer_read

static int crlfbuffer_read(BIO *b, char *out, int outl)
	{
	int ret=0;
	BIO_CRLFBUFFER_CTX *ctx;
 
	if (out == NULL) return(0);
	if (b->next_bio == NULL) return(0);
	ctx=(BIO_CRLFBUFFER_CTX *)b->ptr;
	
	// First copy what's in the current buffer
	int i = ctx->ibuf_len;
	if (i != 0)
	{
		if (i > outl)
			i = outl;
		memcpy(out, &(ctx->ibuf[ctx->ibuf_off]), i);
		ctx->ibuf_off += i;
		ctx->ibuf_len -= i;
		ret += i;
		outl -= i;
		out += i;
	}

	// Now read any remaining direct from source
	if (outl > 0)
		ret += BIO_read(b->next_bio,out,outl);
	BIO_clear_retry_flags(b);
	BIO_copy_next_retry(b);

	if (ret > 0)
	{
		BIO_CRLFBUFFER_CTX *new_ctx = (BIO_CRLFBUFFER_CTX *)b->ptr;
		char *p = out;
		char *q = out;
		int qlen = 0;
		int plen = ret;
		while(plen > 0)
		{
			if (*p == '\r')
			{
				p++;
				plen--;
				*q++ = '\n';
				qlen++;
				new_ctx->got_cr = true;
			}
			else if (*p == '\n')
			{
				p++;
				plen--;
				if (!new_ctx->got_cr)
				{
					*q++ = '\n';
					qlen++;
				}
				new_ctx->got_cr = false;
			}
			else
			{
				*q++ = *p++;
				plen--;
				qlen++;
				new_ctx->got_cr = false;
			}
		}
		*q++ = 0;
		ret = qlen;
	}
	return(ret);
	}
开发者ID:SpareSimian，项目名称:mulberry-main，代码行数:70，代码来源:bf_crlfbuf.c


示例11: asn1_bio_write

static int asn1_bio_write(BIO *b, const char *in, int inl)
{
    BIO_ASN1_BUF_CTX *ctx;
    int wrmax, wrlen, ret;
    unsigned char *p;
    if (!in || (inl < 0) || (b->next_bio == NULL))
        return 0;
    ctx = (BIO_ASN1_BUF_CTX *)b->ptr;
    if (ctx == NULL)
        return 0;

    wrlen = 0;
    ret = -1;

    for (;;) {
        switch (ctx->state) {

            /* Setup prefix data, call it */
        case ASN1_STATE_START:
            if (!asn1_bio_setup_ex(b, ctx, ctx->prefix,
                                   ASN1_STATE_PRE_COPY, ASN1_STATE_HEADER))
                return 0;
            break;

            /* Copy any pre data first */
        case ASN1_STATE_PRE_COPY:

            ret = asn1_bio_flush_ex(b, ctx, ctx->prefix_free,
                                    ASN1_STATE_HEADER);

            if (ret <= 0)
                goto done;

            break;

        case ASN1_STATE_HEADER:
            ctx->buflen = ASN1_object_size(0, inl, ctx->asn1_tag) - inl;
            OPENSSL_assert(ctx->buflen <= ctx->bufsize);
            p = ctx->buf;
            ASN1_put_object(&p, 0, inl, ctx->asn1_tag, ctx->asn1_class);
            ctx->copylen = inl;
            ctx->state = ASN1_STATE_HEADER_COPY;

            break;

        case ASN1_STATE_HEADER_COPY:
            ret = BIO_write(b->next_bio, ctx->buf + ctx->bufpos, ctx->buflen);
            if (ret <= 0)
                goto done;

            ctx->buflen -= ret;
            if (ctx->buflen)
                ctx->bufpos += ret;
            else {
                ctx->bufpos = 0;
                ctx->state = ASN1_STATE_DATA_COPY;
            }

            break;

        case ASN1_STATE_DATA_COPY:

            if (inl > ctx->copylen)
                wrmax = ctx->copylen;
            else
                wrmax = inl;
            ret = BIO_write(b->next_bio, in, wrmax);
            if (ret <= 0)
                break;
            wrlen += ret;
            ctx->copylen -= ret;
            in += ret;
            inl -= ret;

            if (ctx->copylen == 0)
                ctx->state = ASN1_STATE_HEADER;

            if (inl == 0)
                goto done;

            break;

        default:
            BIO_clear_retry_flags(b);
            return 0;

        }

    }

 done:
    BIO_clear_retry_flags(b);
    BIO_copy_next_retry(b);

    return (wrlen > 0) ? wrlen : ret;

}
开发者ID:AnClark，项目名称:openssl，代码行数:97，代码来源:bio_asn1.c


示例12: bio_zlib_ctrl

static long bio_zlib_ctrl(BIO *b, int cmd, long num, void *ptr)
{
    BIO_ZLIB_CTX *ctx;
    int ret, *ip;
    int ibs, obs;
    if (!b->next_bio)
        return 0;
    ctx = (BIO_ZLIB_CTX *) b->ptr;
    switch (cmd) {

    case BIO_CTRL_RESET:
        ctx->ocount = 0;
        ctx->odone = 0;
        ret = 1;
        break;

    case BIO_CTRL_FLUSH:
        ret = bio_zlib_flush(b);
        if (ret > 0)
            ret = BIO_flush(b->next_bio);
        break;

    case BIO_C_SET_BUFF_SIZE:
        ibs = -1;
        obs = -1;
        if (ptr != NULL) {
            ip = ptr;
            if (*ip == 0)
                ibs = (int)num;
            else
                obs = (int)num;
        } else {
            ibs = (int)num;
            obs = ibs;
        }

        if (ibs != -1) {
            OPENSSL_free(ctx->ibuf);
            ctx->ibuf = NULL;
            ctx->ibufsize = ibs;
        }

        if (obs != -1) {
            OPENSSL_free(ctx->obuf);
            ctx->obuf = NULL;
            ctx->obufsize = obs;
        }
        ret = 1;
        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;

    default:
        ret = BIO_ctrl(b->next_bio, cmd, num, ptr);
        break;

    }

    return ret;
}
开发者ID:AmesianX，项目名称:openssl，代码行数:64，代码来源:c_zlib.c


示例13: bio_zlib_write

static int bio_zlib_write(BIO *b, const char *in, int inl)
{
    BIO_ZLIB_CTX *ctx;
    int ret;
    z_stream *zout;
    if (!in || !inl)
        return 0;
    ctx = (BIO_ZLIB_CTX *) b->ptr;
    if (ctx->odone)
        return 0;
    zout = &ctx->zout;
    BIO_clear_retry_flags(b);
    if (!ctx->obuf) {
        ctx->obuf = OPENSSL_malloc(ctx->obufsize);
        /* Need error here */
        if (!ctx->obuf) {
            COMPerr(COMP_F_BIO_ZLIB_WRITE, ERR_R_MALLOC_FAILURE);
            return 0;
        }
        ctx->optr = ctx->obuf;
        ctx->ocount = 0;
        deflateInit(zout, ctx->comp_level);
        zout->next_out = ctx->obuf;
        zout->avail_out = ctx->obufsize;
    }
    /* Obtain input data directly from supplied buffer */
    zout->next_in = (void *)in;
    zout->avail_in = inl;
    for (;;) {
        /* If data in output buffer write it first */
        while (ctx->ocount) {
            ret = BIO_write(b->next_bio, ctx->optr, ctx->ocount);
            if (ret <= 0) {
                /* Total data written */
                int tot = inl - zout->avail_in;
                BIO_copy_next_retry(b);
                if (ret < 0)
                    return (tot > 0) ? tot : ret;
                return tot;
            }
            ctx->optr += ret;
            ctx->ocount -= ret;
        }

        /* Have we consumed all supplied data? */
        if (!zout->avail_in)
            return inl;

        /* Compress some more */

        /* Reset buffer */
        ctx->optr = ctx->obuf;
        zout->next_out = ctx->obuf;
        zout->avail_out = ctx->obufsize;
        /* Compress some more */
        ret = deflate(zout, 0);
        if (ret != Z_OK) {
            COMPerr(COMP_F_BIO_ZLIB_WRITE, COMP_R_ZLIB_DEFLATE_ERROR);
            ERR_add_error_data(2, "zlib error:", zError(ret));
            return 0;
        }
        ctx->ocount = ctx->obufsize - zout->avail_out;
    }
}
开发者ID:AmesianX，项目名称:openssl，代码行数:64，代码来源:c_zlib.c


示例14: ssl_ctrl

static long ssl_ctrl(BIO *b, int cmd, long num, void *ptr)
	{
	SSL **sslp,*ssl;
	BIO_SSL *bs;
	BIO *dbio,*bio;
	long ret=1;

	bs=(BIO_SSL *)b->ptr;
	ssl=bs->ssl;
	if ((ssl == NULL)  && (cmd != BIO_C_SET_SSL))
		return(0);
	switch (cmd)
		{
	case BIO_CTRL_RESET:
		SSL_shutdown(ssl);

		if (ssl->handshake_func == ssl->method->ssl_connect)
			SSL_set_connect_state(ssl);
		else if (ssl->handshake_func == ssl->method->ssl_accept)
			SSL_set_accept_state(ssl);

		SSL_clear(ssl);

		if (b->next_bio != NULL)
			ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
		else if (ssl->rbio != NULL)
			ret=BIO_ctrl(ssl->rbio,cmd,num,ptr);
		else
			ret=1;
		break;
	case BIO_CTRL_INFO:
		ret=0;
		break;
	case BIO_C_SSL_MODE:
		if (num) /* client mode */
			SSL_set_connect_state(ssl);
		else
			SSL_set_accept_state(ssl);
		break;
	case BIO_C_SET_SSL_RENEGOTIATE_TIMEOUT:
		ret=bs->renegotiate_timeout;
		if (num < 60) num=5;
		bs->renegotiate_timeout=(unsigned long)num;
		bs->last_time=(unsigned long)time(NULL);
		break;
	case BIO_C_SET_SSL_RENEGOTIATE_BYTES:
		ret=bs->renegotiate_count;
		if ((long)num >=512)
			bs->renegotiate_count=(unsigned long)num;
		break;
	case BIO_C_GET_SSL_NUM_RENEGOTIATES:
		ret=bs->num_renegotiates;
		break;
	case BIO_C_SET_SSL:
		if (ssl != NULL)
			{
			ssl_free(b);
			if (!ssl_new(b))
				return 0;
			}
		b->shutdown=(int)num;
		ssl=(SSL *)ptr;
		((BIO_SSL *)b->ptr)->ssl=ssl;
		bio=SSL_get_rbio(ssl);
		if (bio != NULL)
			{
			if (b->next_bio != NULL)
				BIO_push(bio,b->next_bio);
			b->next_bio=bio;
			CRYPTO_add(&bio->references,1,CRYPTO_LOCK_BIO);
			}
		b->init=1;
		break;
	case BIO_C_GET_SSL:
		if (ptr != NULL)
			{
			sslp=(SSL **)ptr;
			*sslp=ssl;
			}
		else
			ret=0;
		break;
	case BIO_CTRL_GET_CLOSE:
		ret=b->shutdown;
		break;
	case BIO_CTRL_SET_CLOSE:
		b->shutdown=(int)num;
		break;
	case BIO_CTRL_WPENDING:
		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
		break;
	case BIO_CTRL_PENDING:
		ret=SSL_pending(ssl);
		if (ret == 0)
			ret=BIO_pending(ssl->rbio);
		break;
	case BIO_CTRL_FLUSH:
		BIO_clear_retry_flags(b);
		ret=BIO_ctrl(ssl->wbio,cmd,num,ptr);
		BIO_copy_next_retry(b);
//.........这里部分代码省略.........
开发者ID:neominds，项目名称:ric13351，代码行数:101，代码来源:bio_ssl.c


示例15: ok_write

static int ok_write(BIO *b, const char *in, int inl)
{
    int ret = 0, n, i;
    BIO_OK_CTX *ctx;

    if (inl <= 0)
        return inl;

    ctx = (BIO_OK_CTX *)b->ptr;
    ret = inl;

    if ((ctx == NULL) || (b->next_bio == NULL) || (b->init == 0))
        return (0);

    if (ctx->sigio && !sig_out(b))
        return 0;

    do {
        BIO_clear_retry_flags(b);
        n = ctx->buf_len - ctx->buf_off;
        while (ctx->blockout && n > 0) {
            i = BIO_write(b->next_bio, &(ctx->buf[ctx->buf_off]), n);
            if (i <= 0) {
                BIO_copy_next_retry(b);
                if (!BIO_should_retry(b))
                    ctx->cont = 0;
                return (i);
            }
            ctx->buf_off += i;
            n -= i;
        }

        /* at this point all pending data has been written */
        ctx->blockout = 0;
        if (ctx->buf_len == ctx->buf_off) {
            ctx->buf_len = OK_BLOCK_BLOCK;
            ctx->buf_off = 0;
        }

        if ((in == NULL) || (inl <= 0))
            return (0);

        n = (inl + ctx->buf_len > OK_BLOCK_SIZE + OK_BLOCK_BLOCK) ?
            (int)(OK_BLOCK_SIZE + OK_BLOCK_BLOCK - ctx->buf_len) : inl;

        memcpy((unsigned char *)(&(ctx->buf[ctx->buf_len])),
               (unsigned char *)in, n);
        ctx->buf_len += n;
        inl -= n;
        in += n;

        if (ctx->buf_len >= OK_BLOCK_SIZE + OK_BLOCK_BLOCK) {
            if (!block_out(b)) {
                BIO_clear_retry_flags(b);
                return 0;
            }
        }
    } while (inl > 0);

    BIO_clear_retry_flags(b);
    BIO_copy_next_retry(b);
    return (ret);
}
开发者ID:1Project，项目名称:SafeBoardMessenger，代码行数:63，代码来源:bio_ok.c


示例16: enc_ctrl

static long enc_ctrl(BIO *b, int cmd, long num, void *ptr)
{
    BIO *dbio;
    BIO_ENC_CTX *ctx,*dctx;
    long ret=1;
    int i;
    EVP_CIPHER_CTX **c_ctx;

    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.encrypt);
        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=enc_write(b,NULL,0);
            if (i < 0)
                return i;
        }

        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_C_GET_CIPHER_CTX:
        c_ctx=(EVP_CIPHER_CTX **)ptr;
        (*c_ctx)= &(ctx->cipher);
        b->init=1;
        break;
    case BIO_CTRL_DUP:
        dbio=(BIO *)ptr;
        dctx=(BIO_ENC_CTX *)dbio->ptr;
        EVP_CIPHER_CTX_init(&dctx->cipher);
        ret = EVP_CIPHER_CTX_copy(&dctx->cipher,&ctx->cipher);
        if (ret)
            dbio->init=1;
        break;
    default:
        ret=BIO_ctrl(b->next_bio,cmd,num,ptr);
        break;
    }
    return(ret);
}
开发者ID:koson，项目名称:.NETMF_for_LPC17xx，代码行数:89，代码来源:bio_enc.cpp


示例17: bio_rdp_tls_ctrl

static long bio_rdp_tls_ctrl(BIO* bio, int cmd, long num, void* ptr)
{
	BIO* ssl_rbio;
	BIO* ssl_wbio;
	BIO* next_bio;
	int status = -1;
	BIO_RDP_TLS* tls = (BIO_RDP_TLS*) BIO_get_data(bio);


	if (!tls)
		return 0;

	if (!tls->ssl && (cmd != BIO_C_SET_SSL))
		return 0;

	next_bio = BIO_next(bio);
	ssl_rbio = tls->ssl ? SSL_get_rbio(tls->ssl) : NULL;
	ssl_wbio = tls->ssl ? SSL_get_wbio(tls->ssl) : NULL;

	switch (cmd)
	{
		case BIO_CTRL_RESET:
			SSL_shutdown(tls->ssl);

			if (SSL_in_connect_init(tls->ssl))
				SSL_set_connect_state(tls->ssl);
			else if (SSL_in_accept_init(tls->ssl))
				SSL_set_accept_state(tls->ssl);

			SSL_clear(tls->ssl);

			if (next_bio)
				status = BIO_ctrl(next_bio, cmd, num, ptr);
			else if (ssl_rbio)
				status = BIO_ctrl(ssl_rbio, cmd, num, ptr);
			else
				status = 1;

			break;

		case BIO_C_GET_FD:
			status = BIO_ctrl(ssl_rbio, cmd, num, ptr);
			break;

		case BIO_CTRL_INFO:
			status = 0;
			break;

		case BIO_CTRL_SET_CALLBACK:
			status = 0;
			break;

		case BIO_CTRL_GET_CALLBACK:
			*((ULONG_PTR*) ptr) = (ULONG_PTR) SSL_get_info_callback(tls->ssl);
			status = 1;
			break;

		case BIO_C_SSL_MODE:
			if (num)
				SSL_set_connect_state(tls->ssl);
			else
				SSL_set_accept_state(tls->ssl);

			status = 1;
			break;

		case BIO_CTRL_GET_CLOSE:
			status = BIO_get_shutdown(bio);
			break;

		case BIO_CTRL_SET_CLOSE:
			BIO_set_shutdown(bio, (int) num);
			status = 1;
			break;

		case BIO_CTRL_WPENDING:
			status = BIO_ctrl(ssl_wbio, cmd, num, ptr);
			break;

		case BIO_CTRL_PENDING:
			status = SSL_pending(tls->ssl);

			if (status == 0)
				status = BIO_pending(ssl_rbio);

			break;

		case BIO_CTRL_FLUSH:
			BIO_clear_retry_flags(bio);
			status = BIO_ctrl(ssl_wbio, cmd, num, ptr);
			BIO_copy_next_retry(bio);
			status = 1;
			break;

		case BIO_CTRL_PUSH:
			if (next_bio && (next_bio != ssl_rbio))
			{
#if OPENSSL_VERSION_NUMBER < 0x10100000L
				SSL_set_bio(tls->ssl, next_bio, next_bio);
				CRYPTO_add(&(bio->next_bio->references), 1, CRYPTO_LOCK_BIO);
//.........这里部分代码省略.........
开发者ID:dcatonR1，项目名称:FreeRDP，代码行数:101，代码来源:tls.c


示例18: md_ctrl

static long md_ctrl(BIO *b, int cmd, long num, void *ptr)
{
    EVP_MD_CTX *ctx, *dctx, **pctx;
    const EVP_MD **ppmd;
    EVP_MD *md;
    long ret = 1;
    BIO *dbio, *next;


    ctx = BIO_get_data(b);
    next = BIO_next(b);

    switch (cmd) {
    case BIO_CTRL_RESET:
        if (BIO_get_init(b))
            ret = EVP_DigestInit_ex(ctx, ctx->digest, NULL);
        else
            ret = 0;
        if (ret > 0)
            ret = BIO_ctrl(next, cmd, num, ptr);
        break;
    case BIO_C_GET_MD:
        if (BIO_get_init(b)) {
            ppmd = ptr;
            *ppmd = ctx->digest;
        } else
            ret = 0;
        break;
    case BIO_C_GET_MD_CTX:
        pctx = ptr;
        *pctx = ctx;
        BIO_set_init(b, 1);
        break;
    case BIO_C_SET_MD_CTX:
        if (BIO_get_init(b))
            BIO_set_data(b, ptr);
        else
            ret = 0;
        break;
    case BIO_C_DO_STATE_MACHINE:
        BIO_clear_retry_flags(b);
        ret = BIO_ctrl(next, cmd, num, ptr);
        BIO_copy_next_retry(b);
        break;

    case BIO_C_SET_MD:
        md = ptr;
        ret = EVP_DigestInit_ex(ctx, md, NULL);
        if (ret > 0)
            BIO_set_init(b, 1);
        break;
    case BIO_CTRL_DUP:
        dbio = ptr;
        dctx = BIO_get_data(dbio);
        if (!EVP_MD_CTX_copy_ex(dctx, ctx))
            return 0;
        BIO_set_init(b, 1);
        break;
    default:
        ret = BIO_ctrl(next, cmd, num, ptr);
        break;
    }
    return ret;
}
开发者ID:Ana06，项目名称:openssl，代码行数:64，代码来源:bio_md.c


示例19: bio_ber_get_header

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)
	}
开发者ID:RafaelRMachado，项目名称:MinnowBoard，代码行数:69，代码来源:bio_ber.c


示例20: ok_write

static int ok_write(BIO *b, const char *in, int inl)
{
    int ret = 0, n, i;
    BIO_OK_CTX *ctx;
    BIO *next;

    if (inl <= 0)
        return inl;

    ctx = BIO_get_data(b);
    next = BIO_next(b);
    ret = inl;

    if ((ctx == NULL) || (next == NULL) || (BIO_get_init(b) == 0))
        return 0;

    if (ctx->sigio && !sig_out(b))
        return 0;

    do {
        BIO_clear_retry_flags(b);
        n = ctx->buf_len - ctx->buf_off;
        while (ctx->blockout && n > 0) {
            i = BIO_write(next, &(ctx->buf[ctx->buf_off]), n);
            if (i <= 0) {
                BIO_copy_next_retry(b);
                if (!BIO_should_retry(b))
                    ctx->cont = 0;
                return i;
            }
            ctx->buf_off += i;
            n -= i;
        }

        /* at this point all pending data has been written */
        ctx->blockout = 0;
        if (ctx->buf_len == ctx->buf_off) {
            ctx->buf_len = OK_BLOCK_BLOCK;
            ctx->buf_off = 0;
        }

        if ((in == NULL) || (inl <= 0))
            return 0;

        n = (inl + ctx->buf_len > OK_BLOCK_SIZE + OK_BLOCK_BLOCK) ?
            (int)(OK_BLOCK_SIZE + OK_BLOCK_BLOCK - ctx->buf_len) : inl;

        memcpy(&ctx->buf[ctx->buf_len], in, n);
        ctx->buf_len += n;
        inl -= n;
        in += n;

        if (ctx->buf_len >= OK_BLOCK_SIZE + OK_BLOCK_BLOCK) {
            if (!block_out(b)) {
                BIO_clear_retry_flags(b);
                return 0;
            }
        }
    } while (inl > 0);

    BIO_clear_retry_flags(b);
    BIO_copy_next_retry(b);
    return ret;
}
开发者ID:Ana06，项目名称:openssl，代码行数:64，代码来源:bio_ok.c



注：本文中的BIO_copy_next_retry函数示例整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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