rm_r.c revision 20302
1252190Srpaulo/*- 2252190Srpaulo * Copyright (C) 1996 3252190Srpaulo * David L. Nugent. All rights reserved. 4252190Srpaulo * 5252190Srpaulo * Redistribution and use in source and binary forms, with or without 6252190Srpaulo * modification, are permitted provided that the following conditions 7252190Srpaulo * are met: 8252190Srpaulo * 1. Redistributions of source code must retain the above copyright 9252190Srpaulo * notice, this list of conditions and the following disclaimer. 10252190Srpaulo * 2. Redistributions in binary form must reproduce the above copyright 11252190Srpaulo * notice, this list of conditions and the following disclaimer in the 12252190Srpaulo * documentation and/or other materials provided with the distribution. 13346981Scy * 14252190Srpaulo * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 15252190Srpaulo * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16252190Srpaulo * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17252190Srpaulo * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 18346981Scy * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19252190Srpaulo * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20252190Srpaulo * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21252190Srpaulo * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22252190Srpaulo * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23252190Srpaulo * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24252190Srpaulo * SUCH DAMAGE. 25252190Srpaulo * 26252190Srpaulo * $Id: rm_r.c,v 1.1.1.1 1996/12/09 14:05:35 joerg Exp $ 27252190Srpaulo */ 28252190Srpaulo 29281806Srpaulo#include <stdio.h> 30252190Srpaulo#include <stdlib.h> 31252190Srpaulo#include <sys/types.h> 32252190Srpaulo#include <sys/stat.h> 33252190Srpaulo#include <sys/param.h> 34281806Srpaulo#include <unistd.h> 35281806Srpaulo#include <dirent.h> 36252190Srpaulo 37252190Srpaulo#include "pwupd.h" 38252190Srpaulo 39252190Srpaulovoid 40252190Srpaulorm_r(char const * dir, uid_t uid) 41252190Srpaulo{ 42252190Srpaulo DIR *d = opendir(dir); 43252190Srpaulo 44252190Srpaulo if (d != NULL) { 45252190Srpaulo struct dirent *e; 46252190Srpaulo struct stat st; 47252190Srpaulo char file[MAXPATHLEN]; 48252190Srpaulo 49252190Srpaulo while ((e = readdir(d)) != NULL) { 50252190Srpaulo if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0) { 51252190Srpaulo sprintf(file, "%s/%s", dir, e->d_name); 52252190Srpaulo if (lstat(file, &st) == 0) { /* Need symlinks, not 53252190Srpaulo * linked file */ 54346981Scy if (S_ISDIR(st.st_mode)) /* Directory - recurse */ 55346981Scy rm_r(file, uid); 56346981Scy else { 57346981Scy if (S_ISLNK(st.st_mode) || st.st_uid == uid) 58346981Scy remove(file); 59346981Scy } 60252190Srpaulo } 61252190Srpaulo } 62252190Srpaulo } 63252190Srpaulo closedir(d); 64252190Srpaulo if (lstat(dir, &st) == 0) { 65252190Srpaulo if (S_ISLNK(st.st_mode)) 66252190Srpaulo remove(dir); 67346981Scy else if (st.st_uid == uid) 68346981Scy rmdir(dir); 69346981Scy } 70346981Scy } 71346981Scy} 72346981Scy