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ssh-fwd : prendre en compte les redirections en dehors d'un control

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master
This commit is contained in:
Hippolyte Chauvin 2023-11-11 17:57:40 +01:00
parent 1f68407d9b
commit 6a905e39cf
1 changed files with 18 additions and 8 deletions
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24
bin/ssh-fwd
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@ -1,5 +1,9 @@
#!/bin/bash
step() {
printf '\033[1;32m*\033[0m \033[1m%s...\033[0m\n' "$*"
}
error() {
>&2 printf '\033[1;31mERROR:\033[0m \033[1m%s\033[0m\n' "$error"
return "$1"
@ -20,20 +24,26 @@ start_forwarding() {
"$ssh_host"
}
show_redirection_info() {
lsof -i -P -n | awk '($1 == "ssh" && $10 == "(LISTEN)" && $9 ~ /.*:'"${local_port}"'/) { print }'
}
get_ssh_pid() {
show_redirection_info | awk '{ print $2 }' | sort | uniq
}
# Supprimer la redirection SSH
stop_forwarding() {
start_forwarding -O cancel
if [ "$?" -eq 255 ]; then
echo "Okay then, brutally killing SSH..."
kill "$(get_ssh_pid)"
fi
}
# Retourner 0 si le port de la redirection est déjà utilisé par SSH
is_forwarding_active() {
lsof -i -P -n \
| awk '($1 == "ssh" && $10 == "(LISTEN)") { print $9 }' \
| sed 's/.*://' | sort | uniq | grep -q "$local_port"
}
step() {
printf '\033[1;32m*\033[0m \033[1m%s...\033[0m\n' "$*"
[ -n "$(show_redirection_info)" ]
}
# Parser les variables