mirror of
https://github.com/crowdsecurity/crowdsec.git
synced 2025-05-11 12:25:53 +02:00
298 lines
9.6 KiB
Bash
298 lines
9.6 KiB
Bash
#!/usr/bin/env bats
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# vim: ft=bats:list:ts=8:sts=4:sw=4:et:ai:si:
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set -u
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# root: root CA
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# inter: intermediate CA
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# inter_rev: intermediate CA revoked by root (CRL3)
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# leaf: valid client cert
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# leaf_rev1: client cert revoked by inter (CRL1)
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# leaf_rev2: client cert revoked by inter (CRL2)
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# leaf_rev3: client cert (indirectly) revoked by root
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#
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# CRL1: inter revokes leaf_rev1
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# CRL2: inter revokes leaf_rev2
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# CRL3: root revokes inter_rev
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# CRL4: root revokes leaf, but is ignored
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setup_file() {
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load "../lib/setup_file.sh"
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./instance-data load
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CONFIG_DIR=$(dirname "$CONFIG_YAML")
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export CONFIG_DIR
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tmpdir="$BATS_FILE_TMPDIR"
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export tmpdir
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CFDIR="$BATS_TEST_DIRNAME/testdata/cfssl"
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export CFDIR
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# Root CA
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cfssl gencert -loglevel 2 \
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--initca "$CFDIR/ca_root.json" \
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| cfssljson --bare "$tmpdir/root"
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# Intermediate CAs (valid or revoked)
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for cert in "inter" "inter_rev"; do
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cfssl gencert -loglevel 2 \
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--initca "$CFDIR/ca_intermediate.json" \
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| cfssljson --bare "$tmpdir/$cert"
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cfssl sign -loglevel 2 \
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-ca "$tmpdir/root.pem" -ca-key "$tmpdir/root-key.pem" \
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-config "$CFDIR/profiles.json" -profile intermediate_ca "$tmpdir/$cert.csr" \
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| cfssljson --bare "$tmpdir/$cert"
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done
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# Server cert for crowdsec with the intermediate
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cfssl gencert -loglevel 2 \
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-ca "$tmpdir/inter.pem" -ca-key "$tmpdir/inter-key.pem" \
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-config "$CFDIR/profiles.json" -profile=server "$CFDIR/server.json" \
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| cfssljson --bare "$tmpdir/server"
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# Client certs (valid or revoked)
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for cert in "leaf" "leaf_rev1" "leaf_rev2"; do
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cfssl gencert -loglevel 3 \
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-ca "$tmpdir/inter.pem" -ca-key "$tmpdir/inter-key.pem" \
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-config "$CFDIR/profiles.json" -profile=client \
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"$CFDIR/agent.json" \
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| cfssljson --bare "$tmpdir/$cert"
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done
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# Client cert (by revoked inter)
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cfssl gencert -loglevel 3 \
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-ca "$tmpdir/inter_rev.pem" -ca-key "$tmpdir/inter_rev-key.pem" \
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-config "$CFDIR/profiles.json" -profile=client \
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"$CFDIR/agent.json" \
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| cfssljson --bare "$tmpdir/leaf_rev3"
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# Bad client cert (invalid OU)
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cfssl gencert -loglevel 3 \
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-ca "$tmpdir/inter.pem" -ca-key "$tmpdir/inter-key.pem" \
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-config "$CFDIR/profiles.json" -profile=client \
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"$CFDIR/agent_invalid.json" \
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| cfssljson --bare "$tmpdir/leaf_bad_ou"
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# Bad client cert (directly signed by the CA, it should be refused by crowdsec as it uses the intermediate)
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cfssl gencert -loglevel 3 \
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-ca "$tmpdir/root.pem" -ca-key "$tmpdir/root-key.pem" \
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-config "$CFDIR/profiles.json" -profile=client \
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"$CFDIR/agent.json" \
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| cfssljson --bare "$tmpdir/leaf_invalid"
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truncate -s 0 "$tmpdir/crl.pem"
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# Revoke certs
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{
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echo '-----BEGIN X509 CRL-----'
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cfssl gencrl \
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<(cert_serial_number "$tmpdir/leaf_rev1.pem") \
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"$tmpdir/inter.pem" \
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"$tmpdir/inter-key.pem"
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echo '-----END X509 CRL-----'
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echo '-----BEGIN X509 CRL-----'
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cfssl gencrl \
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<(cert_serial_number "$tmpdir/leaf_rev2.pem") \
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"$tmpdir/inter.pem" \
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"$tmpdir/inter-key.pem"
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echo '-----END X509 CRL-----'
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echo '-----BEGIN X509 CRL-----'
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cfssl gencrl \
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<(cert_serial_number "$tmpdir/inter_rev.pem") \
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"$tmpdir/root.pem" \
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"$tmpdir/root-key.pem"
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echo '-----END X509 CRL-----'
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echo '-----BEGIN X509 CRL-----'
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cfssl gencrl \
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<(cert_serial_number "$tmpdir/leaf.pem") \
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"$tmpdir/root.pem" \
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"$tmpdir/root-key.pem"
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echo '-----END X509 CRL-----'
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} >> "$tmpdir/crl.pem"
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cat "$tmpdir/root.pem" "$tmpdir/inter.pem" > "$tmpdir/bundle.pem"
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config_set '
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.api.server.tls.cert_file=strenv(tmpdir) + "/server.pem" |
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.api.server.tls.key_file=strenv(tmpdir) + "/server-key.pem" |
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.api.server.tls.ca_cert_path=strenv(tmpdir) + "/inter.pem" |
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.api.server.tls.crl_path=strenv(tmpdir) + "/crl.pem" |
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.api.server.tls.agents_allowed_ou=["agent-ou"]
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'
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# remove all machines
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for machine in $(cscli machines list -o json | jq -r '.[].machineId'); do
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cscli machines delete "$machine" >/dev/null 2>&1
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done
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config_disable_agent
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}
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teardown_file() {
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load "../lib/teardown_file.sh"
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}
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setup() {
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load "../lib/setup.sh"
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config_set '
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.api.server.tls.cert_file=strenv(tmpdir) + "/server.pem" |
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.api.server.tls.key_file=strenv(tmpdir) + "/server-key.pem" |
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.api.server.tls.ca_cert_path=strenv(tmpdir) + "/inter.pem" |
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.api.server.tls.crl_path=strenv(tmpdir) + "/crl.pem" |
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.api.server.tls.agents_allowed_ou=["agent-ou"]
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'
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}
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teardown() {
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./instance-crowdsec stop
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}
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#----------
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@test "missing key_file" {
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config_set '.api.server.tls.key_file=""'
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rune -0 wait-for \
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--err "missing TLS key file" \
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"$CROWDSEC"
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}
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@test "missing cert_file" {
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config_set '.api.server.tls.cert_file=""'
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rune -0 wait-for \
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--err "missing TLS cert file" \
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"$CROWDSEC"
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}
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@test "invalid OU for agent" {
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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.ca_cert_path=strenv(tmpdir) + "/bundle.pem" |
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.key_path=strenv(tmpdir) + "/leaf_bad_ou-key.pem" |
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.cert_path=strenv(tmpdir) + "/leaf_bad_ou.pem" |
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.url="https://127.0.0.1:8080"
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'
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config_set "$CONFIG_DIR/local_api_credentials.yaml" 'del(.login,.password)'
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./instance-crowdsec start
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rune -0 cscli machines list -o json
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assert_output '[]'
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}
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@test "we have exactly one machine registered with TLS" {
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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.ca_cert_path=strenv(tmpdir) + "/bundle.pem" |
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.key_path=strenv(tmpdir) + "/leaf-key.pem" |
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.cert_path=strenv(tmpdir) + "/leaf.pem" |
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.url="https://127.0.0.1:8080"
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'
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config_set "$CONFIG_DIR/local_api_credentials.yaml" 'del(.login,.password)'
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./instance-crowdsec start
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rune -0 cscli lapi status
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# second connection, test the tls cache
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rune -0 cscli lapi status
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rune -0 cscli machines list -o json
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rune -0 jq -c '[. | length, .[0].machineId[0:32], .[0].isValidated, .[0].ipAddress, .[0].auth_type]' <(output)
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assert_output '[1,"localhost@127.0.0.1",true,"127.0.0.1","tls"]'
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rune -0 cscli machines delete localhost@127.0.0.1
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}
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@test "a machine can still connect with a unix socket, no TLS" {
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sock=$(config_get '.api.server.listen_socket')
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export sock
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# an agent is a machine too
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config_disable_agent
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./instance-crowdsec start
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rune -0 cscli machines add with-socket --auto --force
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rune -0 cscli lapi status
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rune -0 cscli machines list -o json
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rune -0 jq -c '[. | length, .[0].machineId[0:32], .[0].isValidated, .[0].ipAddress, .[0].auth_type]' <(output)
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assert_output '[1,"with-socket",true,"127.0.0.1","password"]'
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# TLS cannot be used with a unix socket
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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.ca_cert_path=strenv(tmpdir) + "/bundle.pem"
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'
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rune -1 cscli lapi status
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assert_stderr --partial "loading api client: cannot use TLS with a unix socket"
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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del(.ca_cert_path) |
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.key_path=strenv(tmpdir) + "/leaf-key.pem"
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'
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rune -1 cscli lapi status
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assert_stderr --partial "loading api client: cannot use TLS with a unix socket"
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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del(.key_path) |
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.cert_path=strenv(tmpdir) + "/leaf.pem"
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'
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rune -1 cscli lapi status
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assert_stderr --partial "loading api client: cannot use TLS with a unix socket"
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rune -0 cscli machines delete with-socket
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}
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@test "invalid cert for agent" {
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config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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.ca_cert_path=strenv(tmpdir) + "/bundle.pem" |
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.key_path=strenv(tmpdir) + "/leaf_invalid-key.pem" |
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.cert_path=strenv(tmpdir) + "/leaf_invalid.pem" |
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.url="https://127.0.0.1:8080"
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'
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config_set "$CONFIG_DIR/local_api_credentials.yaml" 'del(.login,.password)'
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./instance-crowdsec start
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rune -1 cscli lapi status
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rune -0 cscli machines list -o json
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assert_output '[]'
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}
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@test "revoked cert for agent" {
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# we have two certificates revoked by different CRL blocks
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# we connect twice to test the cache too
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for cert in "leaf_rev1" "leaf_rev2" "leaf_rev1" "leaf_rev2"; do
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truncate_log
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cert="$cert" config_set "$CONFIG_DIR/local_api_credentials.yaml" '
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.ca_cert_path=strenv(tmpdir) + "/bundle.pem" |
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.key_path=strenv(tmpdir) + "/" + strenv(cert) + "-key.pem" |
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.cert_path=strenv(tmpdir) + "/" + strenv(cert) + ".pem" |
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.url="https://127.0.0.1:8080"
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'
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config_set "$CONFIG_DIR/local_api_credentials.yaml" 'del(.login,.password)'
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./instance-crowdsec start
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rune -1 cscli lapi status
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assert_log --partial "certificate revoked by CRL"
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rune -0 cscli machines list -o json
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assert_output '[]'
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./instance-crowdsec stop
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done
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}
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# vvv this test must be last, or it can break the ones that follow
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@test "allowed_ou can't contain an empty string" {
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config_set '
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.common.log_media="stdout" |
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.api.server.tls.agents_allowed_ou=["agent-ou", ""]
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'
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rune -1 wait-for "$CROWDSEC"
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assert_stderr --partial "allowed_ou configuration contains invalid empty string"
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}
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# ^^^ this test must be last, or it can break the ones that follow
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