C++ (Cpp) RECORD_LAYER_get_wbuf Examples

Example #1

File: ssl3_buffer.c Project: GH-JY/openssl

int ssl3_release_write_buffer(SSL *s)
{
    SSL3_BUFFER *wb;

    wb = RECORD_LAYER_get_wbuf(&s->rlayer);

    OPENSSL_free(wb->buf);
    wb->buf = NULL;
    return 1;
}

Example #2

File: ssl3_buffer.c Project: AlexanderPankiv/node

int ssl3_setup_write_buffer(SSL *s, unsigned int numwpipes, size_t len)
{
    unsigned char *p;
    size_t align = 0, headerlen;
    SSL3_BUFFER *wb;
    unsigned int currpipe;

    s->rlayer.numwpipes = numwpipes;

    if (len == 0) {
        if (SSL_IS_DTLS(s))
            headerlen = DTLS1_RT_HEADER_LENGTH + 1;
        else
            headerlen = SSL3_RT_HEADER_LENGTH;

#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
        align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
#endif

        len = s->max_send_fragment
            + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
#ifndef OPENSSL_NO_COMP
        if (ssl_allow_compression(s))
            len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
        if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
            len += headerlen + align + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;
    }

    wb = RECORD_LAYER_get_wbuf(&s->rlayer);
    for (currpipe = 0; currpipe < numwpipes; currpipe++) {
        SSL3_BUFFER *thiswb = &wb[currpipe];

        if (thiswb->buf == NULL) {
            p = OPENSSL_malloc(len);
            if (p == NULL) {
                s->rlayer.numwpipes = currpipe;
                goto err;
            }
            memset(thiswb, 0, sizeof(SSL3_BUFFER));
            thiswb->buf = p;
            thiswb->len = len;
        }
    }

    return 1;

 err:
    SSLerr(SSL_F_SSL3_SETUP_WRITE_BUFFER, ERR_R_MALLOC_FAILURE);
    return 0;
}

Example #3

File: ssl3_buffer.c Project: AlexanderPankiv/node

int ssl3_release_write_buffer(SSL *s)
{
    SSL3_BUFFER *wb;
    unsigned int pipes;

    pipes = s->rlayer.numwpipes;
    while (pipes > 0) {
        wb = &RECORD_LAYER_get_wbuf(&s->rlayer)[pipes - 1];

        OPENSSL_free(wb->buf);
        wb->buf = NULL;
        pipes--;
    }
    s->rlayer.numwpipes = 0;
    return 1;
}

Example #4

File: ssl3_buffer.c Project: GH-JY/openssl

int ssl3_setup_write_buffer(SSL *s)
{
    unsigned char *p;
    size_t len, align = 0, headerlen;
    SSL3_BUFFER *wb;

    wb = RECORD_LAYER_get_wbuf(&s->rlayer);

    if (SSL_IS_DTLS(s))
        headerlen = DTLS1_RT_HEADER_LENGTH + 1;
    else
        headerlen = SSL3_RT_HEADER_LENGTH;

#if defined(SSL3_ALIGN_PAYLOAD) && SSL3_ALIGN_PAYLOAD!=0
    align = (-SSL3_RT_HEADER_LENGTH) & (SSL3_ALIGN_PAYLOAD - 1);
#endif

    if (wb->buf == NULL) {
        len = s->max_send_fragment
            + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD + headerlen + align;
#ifndef OPENSSL_NO_COMP
        if (ssl_allow_compression(s))
            len += SSL3_RT_MAX_COMPRESSED_OVERHEAD;
#endif
        if (!(s->options & SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS))
            len += headerlen + align + SSL3_RT_SEND_MAX_ENCRYPTED_OVERHEAD;

        if ((p = OPENSSL_malloc(len)) == NULL)
            goto err;
        wb->buf = p;
        wb->len = len;
    }

    return 1;

 err:
    SSLerr(SSL_F_SSL3_SETUP_WRITE_BUFFER, ERR_R_MALLOC_FAILURE);
    return 0;
}