rm_r.c revision 20253
120253Sjoerg/*- 220253Sjoerg * Copyright (c) 1996 by David L. Nugent <davidn@blaze.net.au>. 320253Sjoerg * All rights reserved. 420253Sjoerg * 520253Sjoerg * Redistribution and use in source and binary forms, with or without 620253Sjoerg * modification, are permitted provided that the following conditions 720253Sjoerg * are met: 820253Sjoerg * 1. Redistributions of source code must retain the above copyright 920253Sjoerg * notice, this list of conditions and the following disclaimer as 1020253Sjoerg * the first lines of this file unmodified. 1120253Sjoerg * 2. Redistributions in binary form must reproduce the above copyright 1220253Sjoerg * notice, this list of conditions and the following disclaimer in the 1320253Sjoerg * documentation and/or other materials provided with the distribution. 1420253Sjoerg * 3. All advertising materials mentioning features or use of this software 1520253Sjoerg * must display the following acknowledgement: 1620253Sjoerg * This product includes software developed by David L. Nugent. 1720253Sjoerg * 4. The name of the author may not be used to endorse or promote products 1820253Sjoerg * derived from this software without specific prior written permission. 1920253Sjoerg * 2020253Sjoerg * THIS SOFTWARE IS PROVIDED BY THE DAVID L. NUGENT ``AS IS'' AND 2120253Sjoerg * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 2220253Sjoerg * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 2320253Sjoerg * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT BE LIABLE 2420253Sjoerg * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 2520253Sjoerg * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2620253Sjoerg * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2720253Sjoerg * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2820253Sjoerg * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2920253Sjoerg * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 3020253Sjoerg * SUCH DAMAGE. 3120253Sjoerg * 3220253Sjoerg * $Id$ 3320253Sjoerg */ 3420253Sjoerg 3520253Sjoerg#include <stdio.h> 3620253Sjoerg#include <stdlib.h> 3720253Sjoerg#include <sys/types.h> 3820253Sjoerg#include <sys/stat.h> 3920253Sjoerg#include <sys/param.h> 4020253Sjoerg#include <unistd.h> 4120253Sjoerg#include <dirent.h> 4220253Sjoerg 4320253Sjoerg#include "pwupd.h" 4420253Sjoerg 4520253Sjoergvoid 4620253Sjoergrm_r(char const * dir, uid_t uid) 4720253Sjoerg{ 4820253Sjoerg DIR *d = opendir(dir); 4920253Sjoerg 5020253Sjoerg if (d != NULL) { 5120253Sjoerg struct dirent *e; 5220253Sjoerg struct stat st; 5320253Sjoerg char file[MAXPATHLEN]; 5420253Sjoerg 5520253Sjoerg while ((e = readdir(d)) != NULL) { 5620253Sjoerg if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0) { 5720253Sjoerg sprintf(file, "%s/%s", dir, e->d_name); 5820253Sjoerg if (lstat(file, &st) == 0) { /* Need symlinks, not 5920253Sjoerg * linked file */ 6020253Sjoerg if (S_ISDIR(st.st_mode)) /* Directory - recurse */ 6120253Sjoerg rm_r(file, uid); 6220253Sjoerg else { 6320253Sjoerg if (S_ISLNK(st.st_mode) || st.st_uid == uid) 6420253Sjoerg remove(file); 6520253Sjoerg } 6620253Sjoerg } 6720253Sjoerg } 6820253Sjoerg } 6920253Sjoerg closedir(d); 7020253Sjoerg if (lstat(dir, &st) == 0) { 7120253Sjoerg if (S_ISLNK(st.st_mode)) 7220253Sjoerg remove(dir); 7320253Sjoerg else if (st.st_uid == uid) 7420253Sjoerg rmdir(dir); 7520253Sjoerg } 7620253Sjoerg } 7720253Sjoerg} 78