kris/buggy_openssl_with_fullduplex
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

A bit more of description

Browse Source
This commit is contained in:
flowher 2013-10-09 00:21:47 +02:00
parent f6b77e1b27
commit d6b36fd385
1 changed files with 7 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
README.md
View File

@ -3,6 +3,12 @@ buggy_openssl_with_fullduplex
Toy code which shows problems with non-blocking, fullduplex I/O & renegotiation in OpenSSL Toy code which shows problems with non-blocking, fullduplex I/O & renegotiation in OpenSSL
What is it:
This code shows that it is not possible to use SSL_write() and SSL_read() functions in the same
way as ::send() and ::recv().
The main difference between SSL_write/read functions and send/recv system calls is that
SSL_write function may in fact read data from the socket in some situations (similary
SSL_read may need to write data to the socket).
How it works: How it works:
@ -35,4 +41,4 @@ How it works:
TCP: TCP:
In TCP exchange we can see that transfer between client & server is OK until In TCP exchange we can see that transfer between client & server is OK until
client sends "Client Hello" packet. This packet is sent when SSL_renegotiate client sends "Client Hello" packet. This packet is sent when SSL_renegotiate
is called is called