1/* 2 * Copyright (c) 2008 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22 23#include <stdbool.h> 24#include <stdio.h> 25#include <stdlib.h> 26#include <string.h> 27#include <curses.h> 28#include <pwd.h> 29#include "userinput_user.h" 30#include "preferences.h" 31 32static void user_completion(void *tinst, struct user_input_state *s) { 33 struct passwd *pwd; 34 35 if(!strlen(s->buf)) { 36 /* The user entered an empty string, so they don't want a user. */ 37 top_prefs_set_user(s->buf); 38 user_input_set_state(NULL); 39 return; 40 } 41 42 pwd = getpwnam(s->buf); 43 44 if(NULL == pwd) { 45 user_input_set_error_state("invalid user"); 46 endpwent(); 47 return; 48 } 49 50 top_prefs_set_user(s->buf); 51 top_prefs_set_user_uid(pwd->pw_uid); 52 53 endpwent(); 54 55 user_input_set_state(NULL); 56} 57 58static void user_draw(void *tinst, struct user_input_state *s, WINDOW *win, 59 int row, int column) { 60 const char *curuser = top_prefs_get_user(); 61 62 char display[60]; 63 64 if(-1 == snprintf(display, sizeof(display), "user [%s]: %s\n", 65 curuser ? curuser : "", s->buf)) 66 return; 67 68 mvwaddstr(win, row, column, display); 69} 70 71struct user_input_state top_user_input_user_state = { 72 .offset = 0, 73 .completion = user_completion, 74 .draw = user_draw 75}; 76