Files
msteinert-go-pam/cmd/pam-moduler/tests/integration-tester-module/pam_module.go
Marco Trevisan (Treviño) 04ad7bdc73 module-transaction: Do not allow parallel conversations by default
Pam conversations per se may also run in parallel, but this implies that
the application supports this.

Since this normally not the case, do not create modules that may invoke
the pam conversations in parallel by default, adding a mutex to protect
such calls.
2023-12-14 22:07:50 +01:00

96 lines
2.8 KiB
Go

// Code generated by "pam-moduler -type integrationTesterModule -parallel-conv"; DO NOT EDIT.
//go:generate go build "-ldflags=-extldflags -Wl,-soname,pam_go.so" -buildmode=c-shared -o pam_go.so -tags go_pam_module
// Package main is the package for the PAM module library.
package main
/*
#cgo LDFLAGS: -lpam -fPIC
#include <security/pam_modules.h>
typedef const char _const_char_t;
*/
import "C"
import (
"errors"
"fmt"
"github.com/msteinert/pam/v2"
"os"
"unsafe"
)
var pamModuleHandler pam.ModuleHandler = &integrationTesterModule{}
// sliceFromArgv returns a slice of strings given to the PAM module.
func sliceFromArgv(argc C.int, argv **C._const_char_t) []string {
r := make([]string, 0, argc)
for _, s := range unsafe.Slice(argv, argc) {
r = append(r, C.GoString(s))
}
return r
}
// handlePamCall is the function that translates C pam requests to Go.
func handlePamCall(pamh *C.pam_handle_t, flags C.int, argc C.int,
argv **C._const_char_t, moduleFunc pam.ModuleHandlerFunc) C.int {
if pamModuleHandler == nil {
return C.int(pam.ErrNoModuleData)
}
if moduleFunc == nil {
return C.int(pam.ErrIgnore)
}
mt := pam.NewModuleTransactionInvokerParallelConv(pam.NativeHandle(pamh))
err := mt.InvokeHandler(moduleFunc, pam.Flags(flags),
sliceFromArgv(argc, argv))
if err == nil {
return 0
}
if (pam.Flags(flags)&pam.Silent) == 0 && !errors.Is(err, pam.ErrIgnore) {
fmt.Fprintf(os.Stderr, "module returned error: %v\n", err)
}
var pamErr pam.Error
if errors.As(err, &pamErr) {
return C.int(pamErr)
}
return C.int(pam.ErrSystem)
}
//export pam_sm_authenticate
func pam_sm_authenticate(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.Authenticate)
}
//export pam_sm_setcred
func pam_sm_setcred(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.SetCred)
}
//export pam_sm_acct_mgmt
func pam_sm_acct_mgmt(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.AcctMgmt)
}
//export pam_sm_open_session
func pam_sm_open_session(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.OpenSession)
}
//export pam_sm_close_session
func pam_sm_close_session(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.CloseSession)
}
//export pam_sm_chauthtok
func pam_sm_chauthtok(pamh *C.pam_handle_t, flags C.int, argc C.int, argv **C._const_char_t) C.int {
return handlePamCall(pamh, flags, argc, argv, pamModuleHandler.ChangeAuthTok)
}
func main() {}