54 lines
1 KiB
Go
54 lines
1 KiB
Go
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// +build linux
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package main
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/*
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#cgo LDFLAGS: -lcrypt
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#define _GNU_SOURCE
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#include <stdio.h>
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#include <string.h>
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#include <crypt.h>
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#include <shadow.h>
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#include <errno.h>
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#include <stdlib.h>
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int check_password(const char* username, const char* password) {
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struct spwd *shadow_entry = getspnam(username);
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if (!shadow_entry) {
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return -1; // User not found or error
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}
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const char *shadow_hash = shadow_entry->sp_pwdp;
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if (!shadow_hash) {
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return -2;
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}
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char *calculated_hash = crypt(password, shadow_hash);
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if (!calculated_hash) {
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return -3; // Error in crypt
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}
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return strcmp(shadow_hash, calculated_hash) == 0;
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}
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*/
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import "C"
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import (
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"fmt"
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//"os"
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"unsafe"
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)
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func checkPassword(username, password string) (bool, error) {
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cUsername := C.CString(username)
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cPassword := C.CString(password)
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defer C.free(unsafe.Pointer(cUsername))
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defer C.free(unsafe.Pointer(cPassword))
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result := C.check_password(cUsername, cPassword)
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switch result {
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case 1: return true, nil
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case 0: return false, nil
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default: return false, fmt.Errorf("Auth Error")
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}
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}
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