X-Git-Url: https://git.sev.monster/~sev/dotfiles.git/blobdiff_plain/3fcf651cfeaf7e260d302b61b973e1563f73ba10..e7e78648a11c6a494c27bd4c68fbbb37d0e0ed9d:/etc/zsh/.zprofile diff --git a/etc/zsh/.zprofile b/etc/zsh/.zprofile index 57c9ffc..170f4de 100644 --- a/etc/zsh/.zprofile +++ b/etc/zsh/.zprofile @@ -10,195 +10,10 @@ # this file respects non-interactive sessions and will not intentionally emit # output. -### cleanup -# XXX: only call after relevant vars have been set up, defined early so that -# below code can utilize it after they do so -function _sev_zcleanup { - ## gpg forwarding - if [[ -d $_sev_gpg_forward_dir && ( -z $1 || $1 == 'gpg-forward' ) ]] { - # clean up forward dirs if its session is dead or we ask for it - find $_sev_gpg_forward_dir -mindepth 1 -maxdepth 1 -type d | - while {read -r x} { - # NOTE: the only way we can get here is if we have not been - # forwarded before, if the user asks for it, or during - # logout. if our own pid already has a dir, it is most likely - # stale, the user wants it removed, or something is very - # broken—in all 3 of these cases the best choice is remove it. - p=$(basename $x) - if {[[ -v _sev_gpg_forward_clean || $$ == $p ]] || - ! kill -0 $p 2>/dev/null} { - find $x -mindepth 1 -maxdepth 1 | while {read -r y} { - # XXX: real dirs will stop unlink, consider it a feature - unlink $y - } - # don't force in case something important is still there - rmdir $x - } - } - # reset GNUPGHOME if we removed our own dir - if [[ $GNUPGHOME =~ '/.ssh_forward/\d+/*$' && ! -e $GNUPGHOME ]] - GNUPGHOME=${GNUPGHOME%$MATCH} - } - - ## tmp - # NOTE: _sev_tmp is not unset so session dirs will not be recreated - # NOTE: XDG dirs that use our tmp are not unset here, they are in zlogout - if [[ -d $_sev_tmp && ( -z $1 || $1 == 'tmp' ) ]] { - # clean up tmp dirs if its session is dead or we ask for it - find $_sev_tmp -mindepth 1 -maxdepth 1 -name '.session.*' -type d | - while {read -r x} { - # NOTE: same rationale as above - p=${$(basename $x)#.session.} - if {[[ -v _sev_tmp_clean || $$ == $p ]] || - ! kill -0 $p 2>/dev/null} { - rm -rf $x - } - } - } - - unset x p y -} - -### xdg local dir -# NOTE: need this for tmp, so confirm it exists. -# XXX: perms are not specified for XDG dirs except runtime, but I think 760 -# makes the most sense. shouldn't break anything since no one else should -# be poking around in our dir. -[[ -e ~/.local ]] || mkdir -m760 ~/.local - -### tmp -# NOTE: specs say that POSIX tmp and XDG runtime directories should exist -# until the last session is logged out (POSIX can exist for longer). -# since we can't reliably keep track of sessions in a cross-platform -# manner, the current implementation should use a separate directory per -# toplevel session (i.e. SHLVL=1). this should placate most applications, -# though it is not expressly spec compliant. this may also cause problems -# with disowned applications that still try to use the directories after -# the toplevel shell has already logged out and the dirs removed, but the -# chances of that are slim. -if [[ ! -v _sev_tmp ]] { - # create personal TMPDIR under system tmp - t=${TMPDIR:-${TEMPDIR:-${TEMP:-${TMP:-/tmp}}}}/.home-$LOGNAME - [[ -e $t ]] || mkdir -m700 $t 2>/dev/null - _sev_tmp=~/.local/tmp - if [[ ! -d $t ]] { - # fallback TMPDIR to bare local directory or existing softlink - [[ -o interactive ]] && - print -P "%F{orange}*** Can't create tmp dir $t, using $_sev_tmp%f" - [[ -h $_sev_tmp && ! -d _sev_tmp ]] && unlink $_sev_tmp 2>/dev/null - [[ ! -e $_sev_tmp ]] && mkdir -m700 $_sev_tmp 2>/dev/null - if [[ ! -d $_sev_tmp ]] { - _sev_tmp=${$(mktemp 2>/dev/null):/tmp} - [[ -o interactive ]] && - print -P "%F{red}!!! Can't create tmp dir, using $_sev_tmp%f" - } - } elif [[ -f $_sev_tmp || ( -d $_sev_tmp && ! -h $_sev_tmp ) ]] { - # file or non-softlink directory is on our local dir - [[ -o interactive ]] && - print -P "%F{orange}*** $_sev_tmp exists, can't link to tmp dir $t, ignoring it%f" - _sev_tmp=$t - } else { - # link local dir to tmp dir - if [[ -h $_sev_tmp && $_sev_tmp:P != $t:P ]] { - [[ -o interactive ]] && - print -P "%F{orange}*** $_sev_tmp links to ${_sev_tmp:P} and not ${t:P}, unlinking it%f" - # XXX: race condition for existing sessions still using this dir - unlink $_sev_tmp 2>/dev/null - } - ln -s $t $_sev_tmp 2>/dev/null - } - if [[ -v _sev_tmp ]] { - # ensure dir is clean - _sev_zcleanup tmp - # finally create our subdir for this session - t=$_sev_tmp/.session.$$ - if ! mkdir -m700 $t 2>/dev/null; then - [[ -o interactive ]] && - print -P "%F{red}!!! Can't create session tmp subdir $t, using $_sev_tmp%f" - t=$_sev_tmp - fi - export _sev_tmp TMPDIR=$t TEMPDIR=$t TEMP=$t TMP=$t - } - unset t -} - -### xdg -if [[ ! -v _sev_setup_xdg ]] { - ## merge with any existing dirs and remove duplicates using unique arrays - # NOTE: we are accepting whatever value might be set for CONFIG and DATA; - # if it wasn't set, we just use default and leave it unset - # NOTE: include and then remove CONFIG_HOME and DATA_HOME to ensure they - # are not present in the array if it was added before we got to it - - # source user dirs before other vars; technically it is against spec to - # include any of the below dirs there, but you never know what crazy shit - # people will do. I rather handle them sanely with our own code than let - # them override after the fact. - [[ -e $XDG_CONFIG_HOME/user-dirs.dirs ]] && - emulate sh -c "source $XDG_CONFIG_HOME/user-dirs.dirs" - - typeset -UT XDG_DATA_DIRS xdg_data_dirs - if [[ -v XDG_DATA_HOME ]] { - export XDG_DATA_HOME - } elif [[ ! -e ~/.local/share ]] { - mkdir -m760 ~/.local/share - } - xdg_data_dirs=($XDG_DATA_HOME /{opt,usr/local,usr/pkg,usr}/share - ${XDG_DATA_DIRS:+"$xdg_data_dirs[@]"}) - # XXX: if colons are not escaped, could remove unintended part of string - # TODO: remove empty element via array not scalar - export XDG_DATA_DIRS=${XDG_DATA_DIRS#$XDG_DATA_HOME:} - - typeset -UT XDG_CONFIG_DIRS xdg_config_dirs - if [[ -v XDG_CONFIG_HOME ]] { - export XDG_CONFIG_HOME - } elif [[ ! -e ~/.config ]] { - mkdir -m760 ~/.config - } - # I am of the belief .local should follow FHS /usr/local... - [[ -e ~/.local/etc ]] || ln -s ~/.config ~/.local/etc - xdg_config_dirs=($XDG_CONFIG_HOME ${XDG_CONFIG_DIRS:+"$xdg_config_dirs[@]"} - {/opt,/usr/local,/usr/pkg,}/etc/xdg) - # XXX: if colons are not escaped, could remove unintended part of string - # TODO: remove empty element via array not scalar - export XDG_CONFIG_DIRS=${XDG_CONFIG_DIRS#$XDG_CONFIG_HOME:} - - if [[ -v XDG_STATE_HOME ]] { - export XDG_STATE_HOME - } elif [[ ! -e ~/.local/state ]] { - mkdir -m760 ~/.local/state - } - - if [[ -v XDG_CACHE_HOME ]] { - export XDG_CACHE_HOME - } else { - if [[ -v _sev_tmp ]] { - export XDG_CACHE_HOME=$_sev_tmp/.xdg.cache - [[ -e $XDG_CACHE_HOME ]] || mkdir -m700 $XDG_CACHE_HOME - } elif [[ ! -e ~/.cache ]] { - mkdir -m700 ~/.cache - } - } - - if [[ -v XDG_RUNTIME_DIR ]] { - # NOTE: this can be set by systemd or other pre-shell supervisor, and - # if any services were started such as pipewire, we need to use - # the existing runtime dir so that we can get any existing - # program sockets or other data - export XDG_RUNTIME_DIR - } elif [[ -v TMPDIR ]] { - # make runtime dir in our session-specific tmpdir - export XDG_RUNTIME_DIR=$TMPDIR/.xdg.runtime - # same as in tmpdir creation, ensure dir doesn't exist - if [[ -h $XDG_RUNTIME_DIR ]] { - unlink $XDG_RUNTIME_DIR 2>/dev/null - } elif [[ -e $XDG_RUNTIME_DIR ]] { - rm -rf $XDG_RUNTIME_DIR 2>/dev/null - } - mkdir -m700 $XDG_RUNTIME_DIR 2>/dev/null - } - - export _sev_setup_xdg= +### fix path after system profile scripts have possibly mangled it +if [[ ! -v _sev_setup_path || -o login ]] { + _sev_setpath + export _sev_setup_path= } ### dbus @@ -207,15 +22,6 @@ if [[ ! -v DBUS_SESSION_BUS_ADDRESS && -v commands[dbus-launch] ]] { export DBUS_SESSION_BUS_ADDRESS DBUS_SESSION_BUS_PID } -### gpg home -if [[ ! -v GNUPGHOME ]] { - export GNUPGHOME=${XDG_CONFIG_HOME:-~/.config}/gnupg - # move existing gnupg dir to our new home - if [[ -d ~/.gnupg && ! -d $GNUPGHOME ]] { - mv ~/.gnupg $GNUPGHOME - } -} - ### gpg agent + forwarding # NOTE: while ssh manages its auth sock in-protocol when ForwardSsh is enabled, # GPG must be forwarded manually over Unix socket. to support this, we @@ -244,8 +50,9 @@ if [[ ! -v GNUPGHOME ]] { # therefore, the safest way to ensure unique sockets while not having to # write specific logic for both scenarios is to simply change GNUPGHOME. # the easiest way to do this is to create a new dir and link the contents -# of GNUPGHOME to the new home. we can then replace the agent sockets -# there with the forwarded one. +# of GNUPGHOME to the new home. we can then replace all of the agent +# sockets wherever they now are with the forwarded one. in either case we +# will be overwriting the session-specific sockets. # # NOTE: since Unix sockets are not supported under Windows, this will not work # under msys, cygwin, mingw, etc., but may work under wsl2. @@ -264,7 +71,7 @@ if [[ ! -v GNUPGHOME ]] { # clunky (e.g. asking for password twice) to make it worth it. function _gpg_socketpath { # dirs are percent-encoded: https://stackoverflow.com/a/64312099 - echo ${1//(#b)%([[:xdigit:]](#c2))/${(#):-0x$match[1]}} + echo -E - ${1//(#b)%([[:xdigit:]](#c2))/${(#):-0x$match[1]}} } if [[ ! -v _sev_setup_gpg_forward && -v commands[gpg] ]] { # XXX: assuming /tmp exists and is writable on destination @@ -336,18 +143,15 @@ if [[ -v commands[gpg-connect-agent] && export GPG_TTY=$(tty) if [[ ( -v DISPLAY || -v WAYLAND_DISPLAY ) && ${PINENTRY_USER_DATA/USE_TTY=0} == $PINENTRY_USER_DATA ]] - export PINENTRY_USER_DATA=USE_TTY=$(( - ${+DISPLAY} + ${+WAYLAND_DISPLAY} == 0)) - # XXX: don't know if gpg-agent supports comments after directives - # XXX: path could have # + export PINENTRY_USER_DATA=USE_TTY=0 # XXX: we are assuming this is our pinentry from .local/bin - sed -Ei 's#^([[:space:]]*pinentry-program[[:space:]]).*$#\1'$HOME'/.local/bin/pinentry#' \ + sed -Ei 's^([[:space:]]*pinentry-program[[:space:]]).*$\1'$HOME'/.local/bin/pinentry' \ ${GNUPGHOME:-~/.gnupg}/gpg-agent.conf 2>/dev/null # XXX: could check for changes before doing this to save perf gpg-connect-agent RELOADAGENT UPDATESTARTUPTTY /bye >/dev/null 2>&1 if {$p} { gpg-connect-agent /subst /serverpid \ - "/echo pid \${get serverpid} on $GPG_TTY" /bye 2>/dev/null + "/echo pid \${get serverpid} on ${WAYLAND_DISPLAY:-${DISPLAY:-$GPG_TTY}}" /bye 2>/dev/null print -nP '%f' } } elif {$p} { @@ -373,7 +177,7 @@ if [[ ! -v _sev_setup_ssh ]] { if [[ -f $e ]] { IFS=$'\0' read -r sock pid <$e } - if [[ -S $sock && $pid > 0 ]] && kill -0 $pid; then + if [[ -S $sock && $pid > 0 ]] && kill -0 $pid >/dev/null 2>&1; then [[ -o interactive ]] && print -P "Reusing agent PID $pid%f" export SSH_AUTH_SOCK=$sock export SSH_AGENT_PID=$pid @@ -384,12 +188,13 @@ if [[ ! -v _sev_setup_ssh ]] { # subshells can't be used to capture output and print. c='TMPDIR=$_sev_tmp ${okc}ssh-agent' if [[ -o interactive ]] { + [[ -n $okc ]] && echo -n 'OKC-' eval $(eval $=c) print -nP '%f' } else { eval $(eval $=c) >/dev/null 2>&1 } - echo -n $SSH_AUTH_SOCK$'\0'$SSH_AGENT_PID >!$e + echo -En - $SSH_AUTH_SOCK$'\0'$SSH_AGENT_PID >!$e unset c fi unset okc e sock pid @@ -416,11 +221,5 @@ if [[ ! -v _sev_setup_ssh ]] { } unfunction _gpg_socketpath -### perl local lib -[[ -v commands[perl] && -d $XDG_DATA_HOME/perl5/lib/perl5 && - ! -v PERL_LOCAL_LIB_ROOT ]] && - eval $(perl -I$XDG_DATA_HOME/perl5/lib/perl5 \ - -Mlocal::lib=$XDG_DATA_HOME/perl5 2>/dev/null) - ### load site-specific load-site-dotfile zprofile