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validate normalized masks as IRC params

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This commit is contained in:
Shivaram Lingamneni 2020-10-25 23:31:45 -04:00
parent 9670d96282
commit af2b433195
2 changed files with 12 additions and 2 deletions
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8
irc/strings.go
View File

@ -15,6 +15,8 @@ import (
"golang.org/x/text/secure/precis" "golang.org/x/text/secure/precis"
"golang.org/x/text/unicode/norm" "golang.org/x/text/unicode/norm"
"golang.org/x/text/width" "golang.org/x/text/width"
"github.com/oragono/oragono/irc/utils"
) )
const ( const (
@ -270,7 +272,11 @@ func CanonicalizeMaskWildcard(userhost string) (expanded string, err error) {
if host != "*" { if host != "*" {
host = strings.ToLower(host) host = strings.ToLower(host)
} }
return fmt.Sprintf("%s!%s@%s", nick, user, host), nil expanded = fmt.Sprintf("%s!%s@%s", nick, user, host)
if utils.SafeErrorParam(expanded) != expanded {
err = errInvalidCharacter
}
return
} }
func foldASCII(str string) (result string, err error) { func foldASCII(str string) (result string, err error) {

6
irc/strings_test.go
View File

@ -193,7 +193,7 @@ func TestSkeleton(t *testing.T) {
func TestCanonicalizeMaskWildcard(t *testing.T) { func TestCanonicalizeMaskWildcard(t *testing.T) {
tester := func(input, expected string, expectedErr error) { tester := func(input, expected string, expectedErr error) {
out, err := CanonicalizeMaskWildcard(input) out, err := CanonicalizeMaskWildcard(input)
if out != expected { if expectedErr == nil && out != expected {
t.Errorf("expected %s to canonicalize to %s, instead %s", input, expected, out) t.Errorf("expected %s to canonicalize to %s, instead %s", input, expected, out)
} }
if err != expectedErr { if err != expectedErr {
@ -216,6 +216,10 @@ func TestCanonicalizeMaskWildcard(t *testing.T) {
tester("Shivaram*", "shivaram*!*@*", nil) tester("Shivaram*", "shivaram*!*@*", nil)
tester("*SHIVARAM*", "*shivaram*!*@*", nil) tester("*SHIVARAM*", "*shivaram*!*@*", nil)
tester("*SHIVARAM* ", "*shivaram*!*@*", nil) tester("*SHIVARAM* ", "*shivaram*!*@*", nil)
tester(":shivaram", "", errInvalidCharacter)
tester("shivaram!us er@host", "", errInvalidCharacter)
tester("shivaram!user@ho st", "", errInvalidCharacter)
} }
func validFoldTester(first, second string, equal bool, folder func(string) (string, error), t *testing.T) { func validFoldTester(first, second string, equal bool, folder func(string) (string, error), t *testing.T) {