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a45c7090c4
The authentication provider can now provide multiple authorization identities associated with credentials. Protocols that support that (e.g. JMAP, SASL) can let the client select the wanted identity.
38 lines
1 KiB
Go
38 lines
1 KiB
Go
package external
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import (
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"fmt"
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"io"
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"os/exec"
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"github.com/foxcpp/maddy/internal/module"
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)
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func AuthUsingHelper(binaryPath, accountName, password string) error {
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cmd := exec.Command(binaryPath)
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stdin, err := cmd.StdinPipe()
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if err != nil {
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return fmt.Errorf("helperauth: stdin init: %w", err)
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}
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if err := cmd.Start(); err != nil {
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return fmt.Errorf("helperauth: process start: %w", err)
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}
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if _, err := io.WriteString(stdin, accountName+"\n"); err != nil {
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return fmt.Errorf("helperauth: stdin write: %w", err)
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}
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if _, err := io.WriteString(stdin, password+"\n"); err != nil {
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return fmt.Errorf("helperauth: stdin write: %w", err)
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}
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if err := cmd.Wait(); err != nil {
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if exitErr, ok := err.(*exec.ExitError); ok {
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// Exit code 1 is for authentication failure.
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if exitErr.ExitCode() != 1 {
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return fmt.Errorf("helperauth: %w: %v", err, string(exitErr.Stderr))
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}
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return module.ErrUnknownCredentials
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} else {
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return fmt.Errorf("helperauth: process wait: %w", err)
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}
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}
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return nil
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}
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