280 lines
8 KiB
Go
280 lines
8 KiB
Go
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package pq
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// This file contains SSL tests
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import (
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_ "crypto/sha256"
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"crypto/x509"
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"database/sql"
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"os"
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"path/filepath"
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"testing"
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)
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func maybeSkipSSLTests(t *testing.T) {
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// Require some special variables for testing certificates
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if os.Getenv("PQSSLCERTTEST_PATH") == "" {
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t.Skip("PQSSLCERTTEST_PATH not set, skipping SSL tests")
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}
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value := os.Getenv("PQGOSSLTESTS")
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if value == "" || value == "0" {
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t.Skip("PQGOSSLTESTS not enabled, skipping SSL tests")
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} else if value != "1" {
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t.Fatalf("unexpected value %q for PQGOSSLTESTS", value)
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}
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}
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func openSSLConn(t *testing.T, conninfo string) (*sql.DB, error) {
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db, err := openTestConnConninfo(conninfo)
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if err != nil {
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// should never fail
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t.Fatal(err)
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}
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// Do something with the connection to see whether it's working or not.
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tx, err := db.Begin()
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if err == nil {
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return db, tx.Rollback()
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}
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_ = db.Close()
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return nil, err
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}
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func checkSSLSetup(t *testing.T, conninfo string) {
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_, err := openSSLConn(t, conninfo)
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if pge, ok := err.(*Error); ok {
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if pge.Code.Name() != "invalid_authorization_specification" {
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t.Fatalf("unexpected error code '%s'", pge.Code.Name())
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}
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} else {
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t.Fatalf("expected %T, got %v", (*Error)(nil), err)
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}
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}
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// Connect over SSL and run a simple query to test the basics
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func TestSSLConnection(t *testing.T) {
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maybeSkipSSLTests(t)
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// Environment sanity check: should fail without SSL
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checkSSLSetup(t, "sslmode=disable user=pqgossltest")
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db, err := openSSLConn(t, "sslmode=require user=pqgossltest")
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if err != nil {
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t.Fatal(err)
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}
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rows, err := db.Query("SELECT 1")
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if err != nil {
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t.Fatal(err)
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}
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rows.Close()
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}
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// Test sslmode=verify-full
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func TestSSLVerifyFull(t *testing.T) {
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maybeSkipSSLTests(t)
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// Environment sanity check: should fail without SSL
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checkSSLSetup(t, "sslmode=disable user=pqgossltest")
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// Not OK according to the system CA
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_, err := openSSLConn(t, "host=postgres sslmode=verify-full user=pqgossltest")
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if err == nil {
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t.Fatal("expected error")
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}
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_, ok := err.(x509.UnknownAuthorityError)
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if !ok {
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t.Fatalf("expected x509.UnknownAuthorityError, got %#+v", err)
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}
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rootCertPath := filepath.Join(os.Getenv("PQSSLCERTTEST_PATH"), "root.crt")
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rootCert := "sslrootcert=" + rootCertPath + " "
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// No match on Common Name
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_, err = openSSLConn(t, rootCert+"host=127.0.0.1 sslmode=verify-full user=pqgossltest")
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if err == nil {
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t.Fatal("expected error")
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}
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_, ok = err.(x509.HostnameError)
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if !ok {
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t.Fatalf("expected x509.HostnameError, got %#+v", err)
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}
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// OK
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_, err = openSSLConn(t, rootCert+"host=postgres sslmode=verify-full user=pqgossltest")
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if err != nil {
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t.Fatal(err)
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}
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}
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// Test sslmode=require sslrootcert=rootCertPath
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func TestSSLRequireWithRootCert(t *testing.T) {
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maybeSkipSSLTests(t)
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// Environment sanity check: should fail without SSL
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checkSSLSetup(t, "sslmode=disable user=pqgossltest")
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bogusRootCertPath := filepath.Join(os.Getenv("PQSSLCERTTEST_PATH"), "bogus_root.crt")
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bogusRootCert := "sslrootcert=" + bogusRootCertPath + " "
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// Not OK according to the bogus CA
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_, err := openSSLConn(t, bogusRootCert+"host=postgres sslmode=require user=pqgossltest")
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if err == nil {
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t.Fatal("expected error")
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}
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_, ok := err.(x509.UnknownAuthorityError)
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if !ok {
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t.Fatalf("expected x509.UnknownAuthorityError, got %s, %#+v", err, err)
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}
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nonExistentCertPath := filepath.Join(os.Getenv("PQSSLCERTTEST_PATH"), "non_existent.crt")
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nonExistentCert := "sslrootcert=" + nonExistentCertPath + " "
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// No match on Common Name, but that's OK because we're not validating anything.
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_, err = openSSLConn(t, nonExistentCert+"host=127.0.0.1 sslmode=require user=pqgossltest")
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if err != nil {
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t.Fatal(err)
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}
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rootCertPath := filepath.Join(os.Getenv("PQSSLCERTTEST_PATH"), "root.crt")
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rootCert := "sslrootcert=" + rootCertPath + " "
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// No match on Common Name, but that's OK because we're not validating the CN.
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_, err = openSSLConn(t, rootCert+"host=127.0.0.1 sslmode=require user=pqgossltest")
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if err != nil {
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t.Fatal(err)
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}
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// Everything OK
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_, err = openSSLConn(t, rootCert+"host=postgres sslmode=require user=pqgossltest")
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if err != nil {
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t.Fatal(err)
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}
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}
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// Test sslmode=verify-ca
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func TestSSLVerifyCA(t *testing.T) {
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maybeSkipSSLTests(t)
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// Environment sanity check: should fail without SSL
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checkSSLSetup(t, "sslmode=disable user=pqgossltest")
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// Not OK according to the system CA
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{
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_, err := openSSLConn(t, "host=postgres sslmode=verify-ca user=pqgossltest")
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if _, ok := err.(x509.UnknownAuthorityError); !ok {
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t.Fatalf("expected %T, got %#+v", x509.UnknownAuthorityError{}, err)
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}
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}
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// Still not OK according to the system CA; empty sslrootcert is treated as unspecified.
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{
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_, err := openSSLConn(t, "host=postgres sslmode=verify-ca user=pqgossltest sslrootcert=''")
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if _, ok := err.(x509.UnknownAuthorityError); !ok {
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t.Fatalf("expected %T, got %#+v", x509.UnknownAuthorityError{}, err)
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}
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}
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rootCertPath := filepath.Join(os.Getenv("PQSSLCERTTEST_PATH"), "root.crt")
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rootCert := "sslrootcert=" + rootCertPath + " "
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// No match on Common Name, but that's OK
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if _, err := openSSLConn(t, rootCert+"host=127.0.0.1 sslmode=verify-ca user=pqgossltest"); err != nil {
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t.Fatal(err)
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}
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// Everything OK
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if _, err := openSSLConn(t, rootCert+"host=postgres sslmode=verify-ca user=pqgossltest"); err != nil {
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t.Fatal(err)
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}
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}
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// Authenticate over SSL using client certificates
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func TestSSLClientCertificates(t *testing.T) {
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maybeSkipSSLTests(t)
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// Environment sanity check: should fail without SSL
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checkSSLSetup(t, "sslmode=disable user=pqgossltest")
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const baseinfo = "sslmode=require user=pqgosslcert"
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// Certificate not specified, should fail
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{
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_, err := openSSLConn(t, baseinfo)
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if pge, ok := err.(*Error); ok {
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if pge.Code.Name() != "invalid_authorization_specification" {
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t.Fatalf("unexpected error code '%s'", pge.Code.Name())
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}
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} else {
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t.Fatalf("expected %T, got %v", (*Error)(nil), err)
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}
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}
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// Empty certificate specified, should fail
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{
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_, err := openSSLConn(t, baseinfo+" sslcert=''")
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if pge, ok := err.(*Error); ok {
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if pge.Code.Name() != "invalid_authorization_specification" {
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t.Fatalf("unexpected error code '%s'", pge.Code.Name())
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}
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} else {
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t.Fatalf("expected %T, got %v", (*Error)(nil), err)
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}
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}
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// Non-existent certificate specified, should fail
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{
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_, err := openSSLConn(t, baseinfo+" sslcert=/tmp/filedoesnotexist")
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if pge, ok := err.(*Error); ok {
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if pge.Code.Name() != "invalid_authorization_specification" {
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t.Fatalf("unexpected error code '%s'", pge.Code.Name())
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}
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} else {
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t.Fatalf("expected %T, got %v", (*Error)(nil), err)
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}
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}
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certpath, ok := os.LookupEnv("PQSSLCERTTEST_PATH")
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if !ok {
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t.Fatalf("PQSSLCERTTEST_PATH not present in environment")
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}
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sslcert := filepath.Join(certpath, "postgresql.crt")
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// Cert present, key not specified, should fail
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{
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_, err := openSSLConn(t, baseinfo+" sslcert="+sslcert)
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if _, ok := err.(*os.PathError); !ok {
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t.Fatalf("expected %T, got %#+v", (*os.PathError)(nil), err)
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}
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}
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// Cert present, empty key specified, should fail
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{
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_, err := openSSLConn(t, baseinfo+" sslcert="+sslcert+" sslkey=''")
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if _, ok := err.(*os.PathError); !ok {
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t.Fatalf("expected %T, got %#+v", (*os.PathError)(nil), err)
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}
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}
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// Cert present, non-existent key, should fail
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{
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_, err := openSSLConn(t, baseinfo+" sslcert="+sslcert+" sslkey=/tmp/filedoesnotexist")
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if _, ok := err.(*os.PathError); !ok {
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t.Fatalf("expected %T, got %#+v", (*os.PathError)(nil), err)
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}
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}
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// Key has wrong permissions (passing the cert as the key), should fail
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if _, err := openSSLConn(t, baseinfo+" sslcert="+sslcert+" sslkey="+sslcert); err != ErrSSLKeyHasWorldPermissions {
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t.Fatalf("expected %s, got %#+v", ErrSSLKeyHasWorldPermissions, err)
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}
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sslkey := filepath.Join(certpath, "postgresql.key")
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// Should work
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if db, err := openSSLConn(t, baseinfo+" sslcert="+sslcert+" sslkey="+sslkey); err != nil {
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t.Fatal(err)
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} else {
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rows, err := db.Query("SELECT 1")
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if err != nil {
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t.Fatal(err)
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}
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if err := rows.Close(); err != nil {
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t.Fatal(err)
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}
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if err := db.Close(); err != nil {
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t.Fatal(err)
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}
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}
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}
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