196 lines
5.5 KiB
Groff
196 lines
5.5 KiB
Groff
.\" Automatically generated by Pod::Man v1.37, Pod::Parser v1.35
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.\" ========================================================================
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.\"
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.IX Title "BIO_s_socket 3"
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.TH BIO_s_socket 3 "2007-03-15" "0.9.8e" "OpenSSL"
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.SH "NAME"
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BIO_s_socket, BIO_new_socket \- socket BIO
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/bio.h>
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.Ve
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.PP
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.Vb 1
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\& BIO_METHOD *BIO_s_socket(void);
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.Ve
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.PP
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.Vb 2
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\& long BIO_set_fd(BIO *b, int fd, long close_flag);
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\& long BIO_get_fd(BIO *b, int *c);
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.Ve
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.PP
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.Vb 1
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\& BIO *BIO_new_socket(int sock, int close_flag);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fIBIO_s_socket()\fR returns the socket \s-1BIO\s0 method. This is a wrapper
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round the platform's socket routines.
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.PP
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\&\fIBIO_read()\fR and \fIBIO_write()\fR read or write the underlying socket.
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\&\fIBIO_puts()\fR is supported but \fIBIO_gets()\fR is not.
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.PP
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If the close flag is set then the socket is shut down and closed
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when the \s-1BIO\s0 is freed.
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.PP
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\&\fIBIO_set_fd()\fR sets the socket of \s-1BIO\s0 \fBb\fR to \fBfd\fR and the close
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flag to \fBclose_flag\fR.
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.PP
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\&\fIBIO_get_fd()\fR places the socket in \fBc\fR if it is not \s-1NULL\s0, it also
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returns the socket. If \fBc\fR is not \s-1NULL\s0 it should be of type (int *).
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.PP
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\&\fIBIO_new_socket()\fR returns a socket \s-1BIO\s0 using \fBsock\fR and \fBclose_flag\fR.
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.SH "NOTES"
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.IX Header "NOTES"
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Socket BIOs also support any relevant functionality of file descriptor
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BIOs.
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.PP
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The reason for having separate file descriptor and socket BIOs is that on some
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platforms sockets are not file descriptors and use distinct I/O routines,
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Windows is one such platform. Any code mixing the two will not work on
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all platforms.
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.PP
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\&\fIBIO_set_fd()\fR and \fIBIO_get_fd()\fR are macros.
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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\&\fIBIO_s_socket()\fR returns the socket \s-1BIO\s0 method.
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.PP
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\&\fIBIO_set_fd()\fR always returns 1.
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.PP
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\&\fIBIO_get_fd()\fR returns the socket or \-1 if the \s-1BIO\s0 has not been
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initialized.
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.PP
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\&\fIBIO_new_socket()\fR returns the newly allocated \s-1BIO\s0 or \s-1NULL\s0 is an error
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occurred.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\s-1TBA\s0
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