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Clarify DTLSv1_listen documentation

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Clarify that user code is required to allocate sufficient space for the
addressing scheme in use in the call to DTLSv1_listen.

Reviewed-by: Andy Polyakov <appro@openssl.org>
This commit is contained in:
Matt Caswell 2015-09-23 12:40:09 +01:00
parent d8249e99b9
commit 468f043ece
1 changed files with 6 additions and 2 deletions
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8
doc/ssl/DTLSv1_listen.pod
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@ -44,8 +44,12 @@ When a ClientHello is received that contains a cookie that has been verified,
then DTLSv1_listen() will return with the B<ssl> parameter updated into a state
where the handshake can be continued by a call to (for example) SSL_accept().
Additionally the B<struct sockaddr> location pointed to by B<peer> will be
filled in with details of the peer that sent the ClientHello. Typically user
code is expected to "connect" the underlying socket to the peer and continue the
filled in with details of the peer that sent the ClientHello. It is the calling
code's responsibility to ensure that the B<peer> location is sufficiently large
to accommodate the addressing scheme in use. For example this might be done by
allocating space for a struct sockaddr_storage and casting the pointer to it to
a struct sockaddr * for the call to DTLSv1_listen(). Typically user code is
expected to "connect" the underlying socket to the peer and continue the
handshake in a connected state.
Prior to calling DTLSv1_listen() user code must ensure that cookie generation