2021-04-18 12:38:50 +00:00
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add_sources_from_current_dir(utils
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base64_decode_atom.c
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base64_encode_atom.c
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bufchain.c
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buildinfo.c
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burnstr.c
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chomp.c
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conf.c
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conf_dest.c
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conf_launchable.c
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ctrlparse.c
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debug.c
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dupcat.c
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dupprintf.c
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dupstr.c
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encode_utf8.c
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fgetline.c
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host_strchr.c
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host_strchr_internal.c
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host_strcspn.c
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host_strduptrim.c
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host_strrchr.c
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marshal.c
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memory.c
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memxor.c
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miscucs.c
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null_lp.c
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nullseat.c
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nullstrcmp.c
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out_of_memory.c
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parse_blocksize.c
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prompts.c
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ptrlen.c
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read_file_into.c
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seat_connection_fatal.c
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sessprep.c
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sk_free_peer_info.c
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smemclr.c
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smemeq.c
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ssh2_pick_fingerprint.c
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sshutils.c
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strbuf.c
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string_length_for_printf.c
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stripctrl.c
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Allow new_connection to take an optional Seat. (NFC)
This is working towards allowing the subsidiary SSH connection in an
SshProxy to share the main user-facing Seat, so as to be able to pass
through interactive prompts.
This is more difficult than the similar change with LogPolicy, because
Seats are stateful. In particular, the trust-sigil status will need to
be controlled by the SshProxy until it's ready to pass over control to
the main SSH (or whatever) connection.
To make this work, I've introduced a thing called a TempSeat, which is
(yet) another Seat implementation. When a backend hands its Seat to
new_connection(), it does it in a way that allows new_connection() to
borrow it completely, and replace it in the main backend structure
with a TempSeat, which acts as a temporary placeholder. If the main
backend tries to do things like changing trust status or sending
output, the TempSeat will buffer them; later on, when the connection
is established, TempSeat will replay the changes into the real Seat.
So, in each backend, I've made the following changes:
- pass &foo->seat to new_connection, which may overwrite it with a
TempSeat.
- if it has done so (which we can tell via the is_tempseat() query
function), then we have to free the TempSeat and reinstate our main
Seat. The signal that we can do so is the PLUGLOG_CONNECT_SUCCESS
notification, which indicates that SshProxy has finished all its
connection setup work.
- we also have to remember to free the TempSeat if our backend is
disposed of without that having happened (e.g. because the
connection _doesn't_ succeed).
- in backends which have no local auth phase to worry about, ensure
we don't call seat_set_trust_status on the main Seat _before_ it
gets potentially replaced with a TempSeat. Moved some calls of
seat_set_trust_status to just after new_connection(), so that now
the initial trust status setup will go into the TempSeat (if
appropriate) and be buffered until that seat is relinquished.
In all other uses of new_connection, where we don't have a Seat
available at all, we just pass NULL.
This is NFC, because neither new_connection() nor any of its delegates
will _actually_ do this replacement yet. We're just setting up the
framework to enable it to do so in the next commit.
2021-09-13 16:17:20 +00:00
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tempseat.c
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2021-04-18 12:38:50 +00:00
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tree234.c
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validate_manual_hostkey.c
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version.c
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wcwidth.c
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wildcard.c
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write_c_string_literal.c
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x11authfile.c
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x11authnames.c
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x11_dehexify.c
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x11_identify_auth_proto.c
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x11_make_greeting.c
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x11_parse_ip.c)
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