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[Bug 55356] New: Long protocol names are not skipped when building advertisement string for TLS Next Protocol Negotiation (NPN)

 

 

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Aug 5, 2013, 3:12 AM

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[Bug 55356] New: Long protocol names are not skipped when building advertisement string for TLS Next Protocol Negotiation (NPN)

https://issues.apache.org/bugzilla/show_bug.cgi?id=55356

Bug ID: 55356
Summary: Long protocol names are not skipped when building
advertisement string for TLS Next Protocol Negotiation
(NPN)
Product: Apache httpd-2
Version: 2.2-HEAD
Hardware: PC
OS: Linux
Status: NEW
Severity: normal
Priority: P2
Component: mod_ssl
Assignee: bugs [at] httpd
Reporter: agraf [at] ghostwheel

Created attachment 30675
--> https://issues.apache.org/bugzilla/attachment.cgi?id=30675&action=edit
Fix NPN advertisement string generation. Remove mod_ssl.h includes.

Discovered this whilst porting #52210 to apache 2.4

In ssl_engine_kernel.c (ssl_callback_AdvertiseNextProtos) long protocol names
(length>255) are not skipped when copied to the sequence of length-prefixed
strings - only a warning is issued.

Also "mod_ssl.h" doesn't need to be included in ssl_engine_io.c and
ssl_engine_kernel.c.

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