feat : sudoers bug (WIP)

This commit is contained in:
2026-03-17 15:14:52 +01:00
parent 122f53f804
commit b76b6613bf
3 changed files with 49 additions and 70 deletions

View File

@@ -70,7 +70,7 @@ if ! require_cmd "$SUDO_BIN"; then
fail "sudo absent sur la cible"
fi
if ! "$SUDO_BIN" -n true >/dev/null 2>&1; then
if ! "$SUDO_BIN" -n /usr/bin/true >/dev/null 2>&1; then
fail "sudo non interactif indisponible pour l'utilisateur courant"
fi
@@ -78,12 +78,15 @@ if [[ ! "$PGPORT" =~ ^[0-9]+$ ]]; then
fail "PGPORT invalide : $PGPORT"
fi
POSTGRES_INSTALLED="no"
if ! require_cmd psql || ! require_cmd pg_restore || ! require_cmd createdb || ! require_cmd dropdb; then
[[ "${AUTO_INSTALL_POSTGRES,,}" == "yes" ]] || fail "PostgreSQL absent et AUTO_INSTALL_POSTGRES=no"
log "PostgreSQL absent : installation en cours..."
"$SUDO_BIN" -n apt update >/dev/null 2>&1 || fail "échec de apt update"
"$SUDO_BIN" -n apt install -y $POSTGRES_PACKAGE_LIST >/dev/null 2>&1 || fail "échec de l'installation PostgreSQL"
POSTGRES_INSTALLED="yes"
log "Installation PostgreSQL terminée."
else
log "PostgreSQL déjà installé."
@@ -98,20 +101,20 @@ fi
log "Vérification de la disponibilité de PostgreSQL..."
for _ in {1..20}; do
if "$SUDO_BIN" -n -u postgres psql -d postgres -c "SELECT 1;" >/dev/null 2>&1; then
if "$SUDO_BIN" -n -u postgres /usr/bin/psql -d postgres -c "SELECT 1;" >/dev/null 2>&1; then
log "PostgreSQL répond correctement."
break
fi
sleep 1
done
if ! "$SUDO_BIN" -n -u postgres psql -d postgres -c "SELECT 1;" >/dev/null 2>&1; then
fail "PostgreSQL ne répond pas correctement"
if ! "$SUDO_BIN" -n -u postgres /usr/bin/psql -d postgres -c "SELECT 1;" >/dev/null 2>&1; then
fail "PostgreSQL ne répond pas correctement ou sudo -u postgres n'autorise pas psql"
fi
if [[ "${AUTO_CREATE_PGUSER,,}" == "yes" ]]; then
ROLE_EXISTS="$(
"$SUDO_BIN" -n -u postgres psql -d postgres -tAc \
"$SUDO_BIN" -n -u postgres /usr/bin/psql -d postgres -tAc \
"SELECT 1 FROM pg_roles WHERE rolname='${PGUSER//\'/\'\'}'" 2>/dev/null || true
)"
@@ -123,7 +126,7 @@ if [[ "${AUTO_CREATE_PGUSER,,}" == "yes" ]]; then
ROLE_ATTRIBUTES="LOGIN SUPERUSER CREATEDB CREATEROLE"
fi
"$SUDO_BIN" -n -u postgres psql -d postgres -c \
"$SUDO_BIN" -n -u postgres /usr/bin/psql -d postgres -c \
"CREATE ROLE \"${PGUSER}\" WITH ${ROLE_ATTRIBUTES} PASSWORD '${PGPASSWORD//\'/\'\'}';" \
>/dev/null 2>&1 || fail "échec de création du rôle ${PGUSER}"
@@ -133,10 +136,6 @@ if [[ "${AUTO_CREATE_PGUSER,,}" == "yes" ]]; then
fi
fi
if ! "$SUDO_BIN" -n -u postgres true >/dev/null 2>&1; then
fail "sudo -n -u postgres indisponible"
fi
if ! psql -h "$PGHOST" -p "$PGPORT" -U "$PGUSER" -d postgres -c "SELECT 1;" >/dev/null 2>&1; then
fail "connexion PostgreSQL locale impossible avec PGUSER=${PGUSER}"
fi

View File

@@ -3,9 +3,6 @@ set -euo pipefail
###############################################################################
# check-target-readiness.sh
#
# Prépare la machine cible pour permettre l'exécution non interactive du
# script de rebuild depuis une interface web.
###############################################################################
SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
@@ -119,8 +116,6 @@ validate_env_values() {
[[ -n "$BACKUP_REMOTE_HOST" ]] || fail "BACKUP_REMOTE_HOST vide"
[[ -n "$BACKUP_REMOTE_USER" ]] || fail "BACKUP_REMOTE_USER vide"
[[ -n "$BACKUP_REMOTE_DIR" ]] || fail "BACKUP_REMOTE_DIR vide"
BACKUP_REMOTE_SSH_PORT="${BACKUP_REMOTE_SSH_PORT:-22}"
[[ "$BACKUP_REMOTE_SSH_PORT" =~ ^[0-9]+$ ]] || fail "BACKUP_REMOTE_SSH_PORT invalide"
}
prepare_log_file() {
@@ -175,26 +170,32 @@ prepare_ssh_key() {
mkdir -p "$key_dir" || fail "impossible de créer le dossier SSH : $key_dir"
chmod 700 "$key_dir" || fail "impossible de chmod 700 sur $key_dir"
[[ -f "$SSH_KEY" ]] || fail "clé SSH absente : $SSH_KEY"
if [[ ! -f "$SSH_KEY" ]]; then
log "Clé SSH absente : génération de ${SSH_KEY}"
ssh-keygen -t ed25519 -N "" -f "$SSH_KEY" >/dev/null 2>&1 || \
fail "impossible de générer la clé SSH"
fi
chmod 600 "$SSH_KEY" || fail "impossible de chmod 600 sur la clé privée"
[[ -f "${SSH_KEY}.pub" ]] || log "clé publique absente : ${SSH_KEY}.pub"
[[ ! -f "${SSH_KEY}.pub" ]] || chmod 644 "${SSH_KEY}.pub" || fail "impossible de chmod 644 sur la clé publique"
[[ -f "${SSH_KEY}.pub" ]] || fail "clé publique absente : ${SSH_KEY}.pub"
chmod 644 "${SSH_KEY}.pub" || fail "impossible de chmod 644 sur la clé publique"
log "Clé SSH prête."
}
prepare_known_hosts() {
local ssh_dir known_hosts
local ssh_dir known_hosts ssh_port
ssh_dir="$(dirname "$SSH_KEY")"
known_hosts="${ssh_dir}/known_hosts"
ssh_port="${BACKUP_REMOTE_SSH_PORT:-22}"
touch "$known_hosts" || fail "impossible de créer known_hosts"
chmod 644 "$known_hosts" || fail "impossible de chmod 644 sur known_hosts"
if ! ssh-keygen -F "$BACKUP_REMOTE_HOST" -f "$known_hosts" >/dev/null 2>&1; then
log "Ajout de ${BACKUP_REMOTE_HOST}:${BACKUP_REMOTE_SSH_PORT} à known_hosts"
ssh-keyscan -p "$BACKUP_REMOTE_SSH_PORT" -H "$BACKUP_REMOTE_HOST" >>"$known_hosts" 2>/dev/null || \
log "Ajout de ${BACKUP_REMOTE_HOST}:${ssh_port} à known_hosts"
ssh-keyscan -p "$ssh_port" -H "$BACKUP_REMOTE_HOST" >>"$known_hosts" 2>/dev/null || \
fail "échec de récupération de la clé hôte pour ${BACKUP_REMOTE_HOST}"
else
log "Host déjà présent dans known_hosts."
@@ -202,12 +203,13 @@ prepare_known_hosts() {
}
test_backup_ssh() {
local ssh_timeout
local ssh_port ssh_timeout
ssh_port="${BACKUP_REMOTE_SSH_PORT:-22}"
ssh_timeout="${SSH_CONNECT_TIMEOUT:-8}"
ssh \
-i "$SSH_KEY" \
-p "$BACKUP_REMOTE_SSH_PORT" \
-p "$ssh_port" \
-o IdentitiesOnly=yes \
-o BatchMode=yes \
-o ConnectTimeout="$ssh_timeout" \
@@ -229,7 +231,7 @@ install_sudoers_if_allowed() {
return 0
fi
if ! sudo -n true >/dev/null 2>&1; then
if ! sudo -n /usr/bin/true >/dev/null 2>&1; then
fail "AUTO_CONFIGURE_SUDOERS=yes mais sudo -n n'est pas disponible ; configuration initiale manuelle requise"
fi
@@ -239,8 +241,8 @@ install_sudoers_if_allowed() {
tmp_file="$(mktemp)"
cat >"$tmp_file" <<EOF
${USER} ALL=(root) NOPASSWD: /usr/bin/apt, /usr/bin/apt-get, /usr/bin/systemctl
${USER} ALL=(postgres) NOPASSWD: /usr/bin/psql
${USER} ALL=(root) NOPASSWD: /usr/bin/true, /usr/bin/apt, /usr/bin/apt-get, /usr/bin/systemctl
${USER} ALL=(postgres) NOPASSWD: /usr/bin/psql, /usr/bin/createdb, /usr/bin/dropdb, /usr/bin/pg_restore
EOF
chmod 440 "$tmp_file"
@@ -260,8 +262,11 @@ EOF
}
check_sudo_non_interactive() {
sudo -n true >/dev/null 2>&1 || \
fail "sudo non interactif indisponible pour ${USER}"
sudo -n /usr/bin/true >/dev/null 2>&1 || \
fail "sudo non interactif root indisponible pour ${USER}"
sudo -n -u postgres /usr/bin/psql -d postgres -c 'SELECT 1;' >/dev/null 2>&1 || \
fail "sudo -n -u postgres indisponible pour psql pour ${USER}"
log "sudo non interactif validé."
}
@@ -278,7 +283,6 @@ run_postgresql_check() {
--non-interactive \
>>"$LOG_FILE" 2>&1 || fail "échec de préparation PostgreSQL"
sudo -n -u postgres true >/dev/null 2>&1 || fail "sudo -n -u postgres indisponible après préparation PostgreSQL"
log "Préparation PostgreSQL validée."
}

View File

@@ -102,38 +102,6 @@ cleanup() {
}
trap cleanup EXIT
copy_file_to_remote_via_ssh() {
local local_file="$1"
local remote_final_path="$2"
local remote_mode="$3"
local remote_parent
local remote_tmp
[[ -f "$local_file" ]] || fail "fichier source introuvable : $local_file"
[[ -r "$local_file" ]] || fail "fichier source non lisible : $local_file"
remote_parent="$(dirname "$remote_final_path")"
remote_tmp="/tmp/bootstrap_copy.$$.$RANDOM.tmp"
ssh "${SSH_OPTS[@]}" "$REMOTE" "
set -euo pipefail
mkdir -p $(shell_quote "$remote_parent")
test -d $(shell_quote "$remote_parent")
test -w $(shell_quote "$remote_parent")
" >/dev/null 2>&1 || fail "dossier distant absent ou non inscriptible : $remote_parent"
ssh "${SSH_OPTS[@]}" "$REMOTE" "
set -euo pipefail
cat > $(shell_quote "$remote_tmp")
" < "$local_file" >/dev/null 2>&1 || fail "échec d'écriture temporaire distante : $remote_tmp"
ssh "${SSH_OPTS[@]}" "$REMOTE" "
set -euo pipefail
install -m $(shell_quote "$remote_mode") $(shell_quote "$remote_tmp") $(shell_quote "$remote_final_path")
rm -f $(shell_quote "$remote_tmp")
" >/dev/null 2>&1 || fail "échec d'installation distante : $remote_final_path"
}
TARGET_NAME="${CLI_TARGET:-${TARGET_NAME:-}}"
[[ -n "$TARGET_NAME" ]] || fail "target manquante"
@@ -231,6 +199,7 @@ to_bool_yes_no "$TARGET_BOOTSTRAP_ALLOW_PASSWORDLESS_SUDO_VALUE" >/dev/null || f
ALLOW_PASSWORDLESS_SUDO="$(to_bool_yes_no "$TARGET_BOOTSTRAP_ALLOW_PASSWORDLESS_SUDO_VALUE")"
require_cmd ssh
require_cmd scp
require_cmd python3
SSH_OPTS=(
@@ -322,17 +291,24 @@ EXCLUDED_RESTORE_ROLES=$(printf '%s\n' "$TARGET_EXCLUDED_RESTORE_ROLES_VALUE")
EOF
log "Copie du .env cible"
copy_file_to_remote_via_ssh "$TMP_ENV_FILE" "$TARGET_ENV_FILE_PATH" "600"
scp "${SSH_OPTS[@]}" "$TMP_ENV_FILE" "${REMOTE}:$(printf '%q' "$TARGET_ENV_FILE_PATH")" >/dev/null 2>&1 \
|| fail "échec de copie du .env cible"
REMOTE_SSH_DIR="$(dirname "$TARGET_SSH_KEY_VALUE")"
REMOTE_KNOWN_HOSTS="${REMOTE_SSH_DIR}/known_hosts"
log "Copie de la clé privée backup sur la cible"
copy_file_to_remote_via_ssh "$TARGET_BACKUP_SOURCE_SSH_PRIVATE_KEY_VALUE" "$TARGET_SSH_KEY_VALUE" "600"
scp "${SSH_OPTS[@]}" \
"$TARGET_BACKUP_SOURCE_SSH_PRIVATE_KEY_VALUE" \
"${REMOTE}:$(printf '%q' "$TARGET_SSH_KEY_VALUE")" >/dev/null 2>&1 \
|| fail "échec de copie de la clé privée backup"
if [[ -n "$TARGET_BACKUP_SOURCE_SSH_PUBLIC_KEY_VALUE" ]]; then
log "Copie de la clé publique backup sur la cible"
copy_file_to_remote_via_ssh "$TARGET_BACKUP_SOURCE_SSH_PUBLIC_KEY_VALUE" "${TARGET_SSH_KEY_VALUE}.pub" "644"
scp "${SSH_OPTS[@]}" \
"$TARGET_BACKUP_SOURCE_SSH_PUBLIC_KEY_VALUE" \
"${REMOTE}:$(printf '%q' "${TARGET_SSH_KEY_VALUE}.pub")" >/dev/null 2>&1 \
|| fail "échec de copie de la clé publique backup"
fi
REMOTE_SSH_PERMS_CMD="
@@ -421,8 +397,8 @@ fi
TMP_SUDOERS_FILE=\$(mktemp)
cat >\"\$TMP_SUDOERS_FILE\" <<EOF
${TARGET_RUNTIME_USER_VALUE} ALL=(root) NOPASSWD: /usr/bin/apt, /usr/bin/apt-get, /usr/bin/systemctl
${TARGET_RUNTIME_USER_VALUE} ALL=(postgres) NOPASSWD: /usr/bin/psql
${TARGET_RUNTIME_USER_VALUE} ALL=(root) NOPASSWD: /usr/bin/true, /usr/bin/apt, /usr/bin/apt-get, /usr/bin/systemctl
${TARGET_RUNTIME_USER_VALUE} ALL=(postgres) NOPASSWD: /usr/bin/psql, /usr/bin/createdb, /usr/bin/dropdb, /usr/bin/pg_restore
EOF
chmod 440 \"\$TMP_SUDOERS_FILE\"
@@ -472,8 +448,8 @@ command -v sudo >/dev/null 2>&1 || {
echo 'sudo absent sur la cible' >&2
exit 1
}
sudo -n true >/dev/null 2>&1 || {
echo 'sudo -n indisponible' >&2
sudo -n /usr/bin/true >/dev/null 2>&1 || {
echo 'sudo -n root indisponible pour /usr/bin/true' >&2
exit 1
}
"
@@ -499,8 +475,8 @@ ssh "${SSH_OPTS[@]}" "$REMOTE" "$REMOTE_RUN_CHECK_PG_CMD" \
REMOTE_VALIDATE_SUDO_POSTGRES_CMD="
set -euo pipefail
sudo -n -u postgres true >/dev/null 2>&1 || {
echo 'sudo -n -u postgres indisponible après préparation PostgreSQL' >&2
sudo -n -u postgres /usr/bin/psql -d postgres -c 'SELECT 1;' >/dev/null 2>&1 || {
echo 'sudo -n -u postgres indisponible pour psql' >&2
exit 1
}
"