3 * David L. Nugent. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $FreeBSD: src/usr.sbin/pw/cpdir.c,v 1.11 2012/02/14 10:17:03 kevlo Exp $
36 #include <sys/types.h>
38 #include <sys/param.h>
45 copymkdir(char const * dir, char const * skel, mode_t mode, uid_t uid, gid_t gid)
52 if (mkdir(dir, mode) != 0 && errno != EEXIST) {
53 warn("mkdir(%s)", dir);
58 static char counter = 0;
59 static char *copybuf = NULL;
63 if (skel != NULL && *skel != '\0') {
64 DIR *d = opendir(skel);
69 while ((e = readdir(d)) != NULL) {
72 if (snprintf(src, sizeof(src), "%s/%s", skel, p) >= (int)sizeof(src))
73 warn("warning: pathname too long '%s/%s' (skel not copied)", skel, p);
74 else if (lstat(src, &st) == 0) {
75 if (strncmp(p, "dot.", 4) == 0) /* Conversion */
77 if (snprintf(dst, sizeof(dst), "%s/%s", dir, p) >= (int)sizeof(dst))
78 warn("warning: path too long '%s/%s' (skel file skipped)", dir, p);
80 if (S_ISDIR(st.st_mode)) { /* Recurse for this */
81 if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0) {
82 copymkdir(dst, src, st.st_mode & _DEF_DIRMODE, uid, gid);
83 chflags(dst, st.st_flags); /* propagate flags */
85 } else if (S_ISLNK(st.st_mode) && (len = readlink(src, lnk, sizeof(lnk) - 1)) != -1) {
88 lchown(dst, uid, gid);
90 * Note: don't propagate special attributes
91 * but do propagate file flags
93 } else if (S_ISREG(st.st_mode) && (outfd = open(dst, O_RDWR | O_CREAT | O_EXCL, st.st_mode)) != -1) {
94 if ((infd = open(src, O_RDONLY)) == -1) {
101 * Allocate our copy buffer if we need to
104 copybuf = malloc(4096);
105 while ((b = read(infd, copybuf, 4096)) > 0)
106 write(outfd, copybuf, b);
109 * Propagate special filesystem flags
111 fchown(outfd, uid, gid);
112 fchflags(outfd, st.st_flags);
114 chown(dst, uid, gid);
123 if (--counter == 0 && copybuf != NULL) {