On Jan 14, 2018, at 9:49 AM, Jaap Keuter <[email protected]> wrote:

> It seems that the current way of registering plugins (dissector, wiretap or
> codec) doesn't really work well. Maybe this is limited to source builds,

As far as I know, it's limited to running from an autotools source build.

The problem is that, in autotools source builds, the plugin binary files are 
all in the source directories of the plugins, not in the expected 
subdirectories; CMake builds put them in the appropriate subdirectories under 
"run".

This may be annoying with programs that use libwireshark, as all plugins are 
identified incorrectly in the plugin list.

It *breaks the build* with programs that *don't* use libwireshark, as those 
programs attempt to load *all* plugins, not just file type plugins, and 
attempts to load libwireshark plugins obviously fail.  This is why we're 
getting build failures on Ubuntu and Windows:

> 3.1  Suite: TShark file I/O
> 3.1.1 Step: Input file
> capinfos: Couldn't load plugin 'opcua.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/opcua/.libs/opcua.so:
>  undefined symbol: addresses_reassembly_table_functions
> capinfos: Couldn't load plugin 'wimax.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/wimax/.libs/wimax.so:
>  undefined symbol: addresses_reassembly_table_functions
> capinfos: Couldn't load plugin 'unistim.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/unistim/.libs/unistim.so:
>  undefined symbol: register_tap
> capinfos: Couldn't load plugin 'wimaxasncp.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/wimaxasncp/.libs/wimaxasncp.so:
>  undefined symbol: eap_code_vals
> capinfos: Couldn't load plugin 'mate.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/mate/.libs/mate.so:
>  undefined symbol: prefs_register_filename_preference
> capinfos: Couldn't load plugin 'profinet.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/profinet/.libs/profinet.so:
>  undefined symbol: dcom_variant_type_vals
> capinfos: Couldn't load plugin 'ethercat.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/ethercat/.libs/ethercat.so:
>  undefined symbol: dissector_add_uint
> capinfos: Couldn't load plugin 'docsis.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/docsis/.libs/docsis.so:
>  undefined symbol: addresses_reassembly_table_functions
> capinfos: Couldn't load plugin 'gryphon.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/gryphon/.libs/gryphon.so:
>  undefined symbol: proto_item_set_len
> capinfos: Couldn't load plugin 'stats_tree.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/stats_tree/.libs/stats_tree.so:
>  undefined symbol: uat_fld_chk_range
> capinfos: Couldn't load plugin 'transum.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/transum/.libs/transum.so:
>  undefined symbol: wmem_strbuf_new
> capinfos: Couldn't load plugin 'wimaxmacphy.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/wimaxmacphy/.libs/wimaxmacphy.so:
>  undefined symbol: proto_item_set_len
> capinfos: Couldn't load plugin 'irda.so': 
> /home/wireshark/builders/wireshark-master/ubuntu-16.04-x64/build/plugins/irda/.libs/irda.so:
>  undefined symbol: dissector_add_uint
> 
>  OK

capinfos doesn't use libwireshark, but tries to load dissector and statistics 
plugins, and spews out a whole bunch of noise.

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