cpdir.c revision 30259
150477Speter/*- 238465Smsmith * Copyright (C) 1996 339441Smsmith * David L. Nugent. All rights reserved. 458713Sjhb * 544780Sdcs * Redistribution and use in source and binary forms, with or without 639857Sjkh * modification, are permitted provided that the following conditions 748351Speter * are met: 839851Speter * 1. Redistributions of source code must retain the above copyright 938465Smsmith * notice, this list of conditions and the following disclaimer. 1039441Smsmith * 2. Redistributions in binary form must reproduce the above copyright 1159473Sps * notice, this list of conditions and the following disclaimer in the 1239441Smsmith * documentation and/or other materials provided with the distribution. 1359087Sps * 1468310Sps * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND 1568310Sps * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 1668310Sps * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 1759087Sps * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE 1868310Sps * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 1959087Sps * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 2039178Smsmith * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 2140555Smsmith * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 2240555Smsmith * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 2339178Smsmith * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 2456992Sluigi * SUCH DAMAGE. 2540877Smsmith */ 2656903Sjhb 2756903Sjhb#ifndef lint 2841107Sjkhstatic const char rcsid[] = 2941107Sjkh "$Id$"; 3041107Sjkh#endif /* not lint */ 3141107Sjkh 3241107Sjkh#include <err.h> 3356992Sluigi#include <errno.h> 3440877Smsmith#include <fcntl.h> 3538465Smsmith#include <stdio.h> 3638465Smsmith#include <string.h> 3738465Smsmith#include <stdlib.h> 3840338Speter#include <unistd.h> 3940338Speter#include <sys/types.h> 4038465Smsmith#include <sys/stat.h> 4141821Smsmith#include <sys/param.h> 4238465Smsmith#include <dirent.h> 4338465Smsmith 4444243Smsmith#include "pwupd.h" 4538465Smsmith 4638465Smsmithvoid 4738465Smsmithcopymkdir(char const * dir, char const * skel, mode_t mode, uid_t uid, gid_t gid) 4838465Smsmith{ 4938465Smsmith int rc = 0; 5039474Smsmith char src[MAXPATHLEN]; 5165598Simp char dst[MAXPATHLEN]; 5265598Simp 5365598Simp if (mkdir(dir, mode) != 0 && errno != EEXIST) { 5465598Simp warn("mkdir(%s)", dir); 5565598Simp } else { 5639474Smsmith int infd, outfd; 5765598Simp struct stat st; 5865598Simp 5959087Sps static char counter = 0; 6039474Smsmith static char *copybuf = NULL; 6139441Smsmith 6239646Speter ++counter; 6339646Speter chown(dir, uid, gid); 6439646Speter if (skel == NULL || *skel == '\0') 6539441Smsmith rc = 1; 6639646Speter else { 6739441Smsmith DIR *d = opendir(skel); 6839441Smsmith 6939441Smsmith if (d != NULL) { 7039646Speter struct dirent *e; 7139441Smsmith 7239441Smsmith while ((e = readdir(d)) != NULL) { 7339441Smsmith char *p = e->d_name; 7439441Smsmith 7540555Smsmith sprintf(src, "%s/%s", skel, p); 7640555Smsmith if (stat(src, &st) == 0) { 7740555Smsmith if (strncmp(p, "dot.", 4) == 0) /* Conversion */ 7839664Smsmith p += 3; 7940884Smsmith sprintf(dst, "%s/%s", dir, p); 8040884Smsmith if (S_ISDIR(st.st_mode)) { /* Recurse for this */ 8139664Smsmith if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0) 8248351Speter copymkdir(dst, src, (st.st_mode & 0777), uid, gid); 8348351Speter /* 8438465Smsmith * Note: don't propogate 'special' attributes 8538465Smsmith */ 8642274Smsmith } else if (S_ISREG(st.st_mode) && (outfd = open(dst, O_RDWR | O_CREAT | O_EXCL, st.st_mode)) != -1) { 8758713Sjhb if ((infd = open(src, O_RDONLY)) == -1) { 8858713Sjhb close(outfd); 8942493Smsmith remove(dst); 9042493Smsmith } else { 9138465Smsmith int b; 9240555Smsmith 9340555Smsmith /* 9440555Smsmith * Allocate our copy buffer if we need to 9540555Smsmith */ 9641821Smsmith if (copybuf == NULL) 9742807Smsmith copybuf = malloc(4096); 9841821Smsmith while ((b = read(infd, copybuf, 4096)) > 0) 9942268Smsmith write(outfd, copybuf, b); 10042510Smsmith close(infd); 10142510Smsmith close(outfd); 10242510Smsmith chown(dst, uid, gid); 10342268Smsmith } 10442268Smsmith } 10542268Smsmith } 10642268Smsmith } 10742268Smsmith closedir(d); 10842268Smsmith } 10942268Smsmith } 11045759Sdcs if (--counter == 0 && copybuf != NULL) { 11144622Sdcs free(copybuf); 11245759Sdcs copybuf = NULL; 11345759Sdcs } 11445759Sdcs } 11544622Sdcs} 11644622Sdcs 11744622Sdcs