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* Move sandman build to scripts/MakefileJune McEnroe2022-02-12
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* chroot: Factor out and add OpenBSD buildJune McEnroe2021-09-27
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* chroot: Avoid passing paths to -sJune McEnroe2021-07-20
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* chat.tmux.conf: Fix base-index settingKlemens Nanni2021-07-15
| | | | | "base-index" expects integer values, tmux prints a warning at load-time but otherwise ignores the configuration line.
* chat.tmux.conf: Make window selection hotkeys match window numbersKlemens Nanni2021-06-17
| | | | | | | | | | | | | | | | | | The 'pick chat network' binding on F1 lists tmux windows as follows and tmux's `choose-tree -Z' lets you jump to the window by pressing the key denoted inside parantheses. Set `base-index 1' so as to make window indices match up the hotkey number instead of being off-by-one due to the session itself being the first entry in the list. (0) - chat-5: 8 windows (group chat: chat-0,chat-1,chat-2,chat-3,chat-4,chat-5,chat-6) (attached) (1) ├─> 1: hackint: "example.com" (2) ├─> 2: efnet: "example.com" ... PS: Update existing sessions by updating chat.tmux.conf, pressing F5 then running `prefix-: move-window -r' to renumber all windows.
* Set username from SSH_CLIENT in chrootJune McEnroe2021-05-27
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* Log nick and ssh connection in chroot-promptJune McEnroe2021-05-27
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* Replace freenode with tilde.chatJune McEnroe2021-05-19
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* chat.tmux.conf: use config_files format for reloadKlemens Nanni2021-03-10
| | | | | | The recent addition of "#{source_files}" allows us to avoid hardcoding the file name and instead ask tmux itself for the very file it used to create the session in the first place, i.e. "-f ./chat.tmux.conf".
* chat.tmux.conf: Add help window for restricted mode, use neww -SKlemens Nanni2021-02-08
| | | | | | | | | | | | Provide a hotkey to browser the manual in its own window. After input, nicm (tmux upstream) added "-S" to tmux(1) such that the "new-window" command (in combination with "-d") first looks for the given window name and selects the window if it exists instead of trying to create a window that already exists. Given that this makes chat.tmux.conf idempotent, we can now also reload it at runtime to refresh settings.
* chat.tmux.conf: Improve respawn, fix commentKlemens Nanni2021-02-03
| | | | | Only respawn the pane not the entire window to avoid killing other possibly existing panes in the same window.
* Add key bindings to chat.tmux.conf, nitsKlemens Nanni2021-01-28
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* Add example tmux(1) configKlemens Nanni2021-01-18
| | | | | Spawn one catgirl per network and handle reconnects through tmux, no extra tool required.
* Fix chroot-man pathJune McEnroe2020-07-31
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* Use DisableForwarding in sshd_configJune McEnroe2020-06-25
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* Replace int opt; while with for loop in sandmanJune McEnroe2020-03-31
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* Add sandman wrapperJune McEnroe2020-02-12
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* Add -N flag for notificationsJune McEnroe2020-02-12
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* Add .gz to chroot-man scriptJune McEnroe2020-02-11
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* Add chroot targetJune McEnroe2020-02-11
. In particular, we need to test for GLOB_NOMAGIC | GLOB_NOCHECK instead of GLOB_MAGCHAR. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02expand: Fix buffer overflow in expandmetaHerbert Xu The native version of expandmeta allocates a buffer that may be overrun for two reasons. First of all the size is 1 byte too small but this is normally hidden because the minimum size is rounded up to 2048 bytes. Secondly, if the directory level is deep enough, any buffer can be overrun. This patch fixes both problems by calling realloc when necessary. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02builtin: Move echo space/nl handling into print_escape_strHerbert Xu Currently echocmd uses print_escape_str to do everything apart from printing the spaces/newlines separating its arguments. This patch moves the actual printing into print_escape_str as well using the format parameter. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02builtin: Fix echo performance regressionHerbert Xu The commit d6c0e1e2ffbf7913ab69d51cc794d48d41c8fcb1 ("[BUILTIN] Handle embedded NULs correctly in printf") caused a performance regression in the echo built-in because every echo call now goes through the printf %b slow path where the string is always printed twice to ensure the space padding is correct in the presence of NUL characters. In fact this regression applies to printf %b as well. This is easily fixed by making printf %b take the fast path when no precision/field width modifiers are present. This patch also changes the second strchurnul call to strspn which generates slightly better code. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02expand: Fix ghost fields with unquoted $@/$*Herbert Xu Harald van Dijk <harald@gigawatt.nl> wrote: > On 22/03/2018 22:38, Martijn Dekker wrote: >> Op 22-03-18 om 20:28 schreef Harald van Dijk: >>> On 22/03/2018 03:40, Martijn Dekker wrote: >>>> This patch fixes the bug that, given no positional parameters, unquoted >>>> $@ and $* incorrectly generate one empty field (they should generate no >>>> fields). Apparently that was a side effect of the above. >>> >>> This seems weird though. If you want to remove the recording of empty >>> regions because they are pointless, then how does removing them fix a >>> bug? Doesn't this show that empty regions do have an effect? Perhaps >>> they're not supposed to have any effect, perhaps it's a specific >>> combination of empty regions and something else that triggers some bug, >>> and perhaps that combination can no longer occur with your patch. >> >> The latter is my guess, but I haven't had time to investigate it. > > Looking into it again: > > When IFS is set to an empty string, sepc is set to '\0' in varvalue(). > This then causes *quotedp to be set to true, meaning evalvar()'s quoted > variable is turned on. quoted is then passed to recordregion() as the > nulonly parameter. > > ifsp->nulonly has a bigger effect than merely selecting whether to use > $IFS or whether to only split on null bytes: in ifsbreakup(), nulonly > also causes string termination to be suppressed. That's correct: that > special treatment is required to preserve empty fields in "$@" > expansion. But it should *only* be used when $@ is quoted: ifsbreakup() > takes nulonly from the last IFS region, even if it's empty, so having an > additional zero-length region with nulonly enabled causes confusion. > > Passing quoted by value to varvalue() and not attempting to modify it > should therefore, and in my quick testing does, also work to fix the > original $@ bug. You're right. The proper fix to this is to ensure that nulonly is not set in varvalue for $*. It should only be set for $@ when it's inside double quotes. In fact there is another bug while we're playing with $@/$*. When IFS is set to a non-whitespace character such as :, $* outside quotes won't remove empty fields as it should. This patch fixes both problems. Reported-by: Martijn Dekker <martijn@inlv.org> Suggested-by: Harald van Dijk <harald@gigawatt.nl> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02parser: Allow newlines within parameter substitutionHerbert Xu On Fri, Mar 16, 2018 at 11:27:22AM +0800, Herbert Xu wrote: > On Thu, Mar 15, 2018 at 10:49:15PM +0100, Harald van Dijk wrote: > > > > Okay, it can be trivially modified to something that does work in other > > shells (even if it were actually executed), but gets rejected at parse time > > by dash: > > > > if false; then > > : ${$+ > > } > > fi > > That's just a bug in dash's parser with ${} in general, because > it bombs out without the if clause too: > > : ${$+ > } This patch fixes the parsing of newlines with parameter substitution. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-04-02expand: Fix bugs with words connected to the right of $@Herbert Xu On Sun, Mar 04, 2018 at 12:44:59PM +0100, Harald van Dijk wrote: > > command: set -- a ""; space=" "; printf "<%s>" "$@"$space > bash: <a><> > dash 0.5.8: <a>< > > dash 0.5.9.1: <a>< > > dash patched: <a><> This is actually composed of two bugs. First of all our tracking of quotemark is wrong so anything after "$@" becomes quoted. Once we fix that then the problem is that the first space character after "$@" is not recognised as an IFS. This patch fixes both. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-03-25Revert "[BUILTIN] Remove unnecessary restoration of format string in printf"Herbert Xu This reverts commit 7bb413255368e94395237d789f522891093c5774. The commit breaks printf with more than argument. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> 2018-03-22parser: Fix backquote support in here-document EOF markHerbert Xu