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profile/systemd-osc-context: Enforce length limits

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UAPI.15 limits the length of fields; adhere to them.

References:
 [0] https://uapi-group.org/specifications/specs/osc_context/#syntax-in-abnf
(cherry picked from commit 2d738a0aee)
(cherry picked from commit 6517f36085)
This commit is contained in:
Chris Lindee
2026-02-16 00:08:31 -06:00
committed by Luca Boccassi
parent 10700a5c42
commit adf7b581ac
1 changed files with 7 additions and 7 deletions
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14
profile.d/80-systemd-osc-context.sh
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@@ -33,9 +33,9 @@ __systemd_osc_context_escape() {
__systemd_osc_context_common() {
if [ -f /etc/machine-id ]; then
printf ";machineid=%s" "$(</etc/machine-id)"
printf ";machineid=%.36s" "$(</etc/machine-id)"
fi
printf ";user=%s;hostname=%s;bootid=%s;pid=%s" "$USER" "$HOSTNAME" "$(</proc/sys/kernel/random/boot_id)" "$$"
printf ";user=%.255s;hostname=%.255s;bootid=%.36s;pid=%.20d" "$USER" "$HOSTNAME" "$(</proc/sys/kernel/random/boot_id)" "$$"
}
__systemd_osc_context_precmdline() {
@@ -44,11 +44,11 @@ __systemd_osc_context_precmdline() {
# Close previous command
if [ -n "${systemd_osc_context_cmd_id:-}" ]; then
if [ "$systemd_exitstatus" -gt 128 ] && systemd_signal=$(kill -l "$systemd_exitstatus" 2>&-); then
printf "\033]3008;end=%s;exit=failure;status=%s;signal=SIG%s\033\\" "$systemd_osc_context_cmd_id" "$systemd_exitstatus" "$systemd_signal"
printf "\033]3008;end=%.64s;exit=failure;status=%d;signal=SIG%s\033\\" "$systemd_osc_context_cmd_id" "$systemd_exitstatus" "$systemd_signal"
elif [ "$systemd_exitstatus" -ne 0 ]; then
printf "\033]3008;end=%s;exit=failure;status=%s\033\\" "$systemd_osc_context_cmd_id" $((systemd_exitstatus))
printf "\033]3008;end=%.64s;exit=failure;status=%d\033\\" "$systemd_osc_context_cmd_id" $((systemd_exitstatus))
else
printf "\033]3008;end=%s;exit=success\033\\" "$systemd_osc_context_cmd_id"
printf "\033]3008;end=%.64s;exit=success\033\\" "$systemd_osc_context_cmd_id"
fi
fi
@@ -58,7 +58,7 @@ __systemd_osc_context_precmdline() {
fi
# Create or update the shell session
printf "\033]3008;start=%s%s;type=shell;cwd=%s\033\\" "$systemd_osc_context_shell_id" "$(__systemd_osc_context_common)" "$(__systemd_osc_context_escape "$PWD")"
printf "\033]3008;start=%.64s%s;type=shell;cwd=%.255s\033\\" "$systemd_osc_context_shell_id" "$(__systemd_osc_context_common)" "$(__systemd_osc_context_escape "$PWD")"
# Prepare cmd id for next command
read -r systemd_osc_context_cmd_id </proc/sys/kernel/random/uuid
@@ -68,7 +68,7 @@ __systemd_osc_context_ps0() {
# Skip if PROMPT_COMMAND= is cleared manually or by other profiles.
[ -n "${systemd_osc_context_cmd_id:-}" ] || return
printf "\033]3008;start=%s%s;type=command;cwd=%s\033\\" "$systemd_osc_context_cmd_id" "$(__systemd_osc_context_common)" "$(__systemd_osc_context_escape "$PWD")"
printf "\033]3008;start=%.64s%s;type=command;cwd=%.255s\033\\" "$systemd_osc_context_cmd_id" "$(__systemd_osc_context_common)" "$(__systemd_osc_context_escape "$PWD")"
}
if [ -n "${BASH_VERSION:-}" ]; then