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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. |
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|---|---|---|
| charset | ||
| cmake | ||
| contrib | ||
| crypto | ||
| doc | ||
| icons | ||
| keygen | ||
| otherbackends | ||
| ssh | ||
| test | ||
| unix | ||
| utils | ||
| windows | ||
| .gitignore | ||
| aqsync.c | ||
| be_all_s.c | ||
| be_all.c | ||
| be_misc.c | ||
| be_none.c | ||
| be_nos_s.c | ||
| be_nossh.c | ||
| be_ssh.c | ||
| Buildscr | ||
| Buildscr.cv | ||
| callback.c | ||
| cgtest.c | ||
| CHECKLST.txt | ||
| clicons.c | ||
| CMakeLists.txt | ||
| cmdgen.c | ||
| cmdline.c | ||
| config.c | ||
| console.c | ||
| console.h | ||
| cproxy.c | ||
| defs.h | ||
| dialog.c | ||
| dialog.h | ||
| errsock.c | ||
| fuzzterm.c | ||
| import.c | ||
| LATEST.VER | ||
| ldisc.c | ||
| LICENCE | ||
| licence.pl | ||
| logging.c | ||
| marshal.h | ||
| minibidi.c | ||
| misc.h | ||
| mksrcarc.sh | ||
| mkunxarc.sh | ||
| mpint.h | ||
| network.h | ||
| nocmdline.c | ||
| nocproxy.c | ||
| nogss.c | ||
| noprint.c | ||
| noproxy.c | ||
| norand.c | ||
| nosshproxy.c | ||
| noterm.c | ||
| notiming.c | ||
| nullplug.c | ||
| pageant.c | ||
| pageant.h | ||
| pinger.c | ||
| pproxy.c | ||
| proxy.c | ||
| proxy.h | ||
| pscp.c | ||
| psftp.c | ||
| psftp.h | ||
| psftpcommon.c | ||
| psocks.c | ||
| psocks.h | ||
| putty.h | ||
| puttymem.h | ||
| README | ||
| release.pl | ||
| settings.c | ||
| sign.sh | ||
| ssh.h | ||
| sshcr.h | ||
| sshkeygen.h | ||
| sshproxy.c | ||
| sshpubk.c | ||
| sshrand.c | ||
| storage.h | ||
| terminal.c | ||
| terminal.h | ||
| testcrypt.c | ||
| testcrypt.h | ||
| testsc.c | ||
| testzlib.c | ||
| timing.c | ||
| tree234.h | ||
| version.h | ||
| x11disp.c | ||
This is the README for PuTTY, a free Windows and Unix Telnet and SSH
client.
PuTTY is built using CMake <https://cmake.org/>. To compile in the
simplest way (on any of Linux, Windows or Mac), run these commands in
the source directory:
cmake .
cmake --build .
Documentation (in various formats including Windows Help and Unix
`man' pages) is built from the Halibut (`.but') files in the `doc'
subdirectory using `doc/Makefile'. If you aren't using one of our
source snapshots, you'll need to do this yourself. Halibut can be
found at <https://www.chiark.greenend.org.uk/~sgtatham/halibut/>.
The PuTTY home web site is
https://www.chiark.greenend.org.uk/~sgtatham/putty/
If you want to send bug reports or feature requests, please read the
Feedback section of the web site before doing so. Sending one-line
reports saying `it doesn't work' will waste your time as much as
ours.
See the file LICENCE for the licence conditions.