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ssl help

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Fabio Mercuri

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Sep 2, 2002, 5:37:02 AM9/2/02

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I need to use a variable SSL* ssl as a field in a structure, but when I =
use it (i.e. SSL_accept(structure.ssl)) the program gives a segmentation =
fault!

I tried to write the program with the ssl variable outside of the =
structure, and all runs perfectly! But in this last case I can use only =
a ssl connection at a time!

Instead, I need to treat many ssl connections at a time from different =
clients (for this I need ssl variable in a structure), and generally =
data read from a connection are generally sent out to another different =
one (I use select to check sockets for read/write and non blocking =
sockets)

Have you some idea about this problem?

Thanks
Fabio Mercuri

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<BODY bgColor=3D#ffffff>
<DIV><FONT face=3DArial size=3D2>I need to use a variable SSL* ssl as a =
field in a=20
structure, but when I use it (i.e. SSL_accept(structure.ssl)) the =
program gives=20
a segmentation fault!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>I tried to write the program with the =
ssl variable=20
outside of the structure, and all runs perfectly! But in this last case =
I can=20
use only a ssl connection at a time!</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Instead, I need to treat many ssl =
connections at a=20
time from different clients (for this I need ssl variable in a =
structure), and=20
generally data read from a connection are generally sent out to another=20
different one (I use select to check sockets for read/write and non =
blocking=20
sockets)</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Have you some idea about this =
problem?</FONT></DIV>
<DIV><FONT face=3DArial size=3D2></FONT> </DIV>
<DIV><FONT face=3DArial size=3D2>Thanks</FONT></DIV>
<DIV><FONT face=3DArial size=3D2>Fabio =
Mercuri</FONT></DIV></BODY></HTML>

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John Cronin

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Sep 2, 2002, 6:39:51 AM9/2/02

How are you defining your structure? If using:

typedef struct conndef {
SSL *ssl;
char client_info[256];
...
} MYCONNECTION;

MYCONNECTION myconn;

SSL_CTX blurb

SSL_accept(myconn.ssl);

it should work.

However, if you are using multiple clients, I'd imagine you are using an
array (static or dynamic).

If static, ie

MYCONNECTION myconns[256];

then

SSL_accept(myconns[i].ssl);

should again work.

However, the only thing I can think of is that you are using

MYCONNECTION *myconns;

and either forgetting to malloc the memory or not mallocing enough.

John.

-----Original Message-----
From: owner-ope...@openssl.org
[mailto:owner-ope...@openssl.org]On Behalf Of Fabio Mercuri
Sent: 01 September 2002 22:38
To: openss...@openssl.org
Subject: ssl help

I need to use a variable SSL* ssl as a field in a structure, but when I use
it (i.e. SSL_accept(structure.ssl)) the program gives a segmentation fault!

I tried to write the program with the ssl variable outside of the structure,
and all runs perfectly! But in this last case I can use only a ssl
connection at a time!

Instead, I need to treat many ssl connections at a time from different

clients (for this I need ssl variable in a structure), and generally data
read from a connection are generally sent out to another different one (I
use select to check sockets for read/write and non blocking sockets)

Have you some idea about this problem?

Thanks
Fabio Mercuri

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