gpg: Print the actual used keyserver address.
* dirmngr/ks-engine-hkp.c (ks_hkp_search, ks_hkp_get): Print SOURCE status lines. * g10/call-dirmngr.c (ks_status_parm_s): New. (ks_search_parm_s): Add field stparm. (ks_status_cb): New. (ks_search_data_cb): Send source to the data callback. (gpg_dirmngr_ks_search): Change callback prototope to include the SPECIAL arg. Adjust all users. Use ks_status_cb. (gpg_dirmngr_ks_get): Add arg r_source and use ks_status_cb. * g10/keyserver.c (search_line_handler): Adjust callback and print "data source" disgnostic. (keyserver_get): Print data source diagnostic.
It has often been requested that the actually used IP of a keyservers
is shown in with gpg --recv-key and --search-key. This is helpful if
the keyserver is actually a pool of keyservers. This patch does this.