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
28 static const char rcsid[] =
42 copymkdir(int rootfd, char const * dir, int skelfd, mode_t mode, uid_t uid,
45 char *p, lnk[MAXPATHLEN], copybuf[4096];
46 int len, homefd, srcfd, destfd;
55 if (mkdirat(rootfd, dir, mode) != 0 && errno != EEXIST) {
56 warn("mkdir(%s)", dir);
59 fchownat(rootfd, dir, uid, gid, AT_SYMLINK_NOFOLLOW);
61 chflagsat(rootfd, dir, flags, AT_SYMLINK_NOFOLLOW);
66 homefd = openat(rootfd, dir, O_DIRECTORY);
67 if ((d = fdopendir(skelfd)) == NULL) {
73 while ((e = readdir(d)) != NULL) {
74 if (strcmp(e->d_name, ".") == 0 || strcmp(e->d_name, "..") == 0)
78 if (fstatat(skelfd, p, &st, AT_SYMLINK_NOFOLLOW) == -1)
81 if (strncmp(p, "dot.", 4) == 0) /* Conversion */
84 if (S_ISDIR(st.st_mode)) {
85 copymkdir(homefd, p, openat(skelfd, e->d_name, O_DIRECTORY),
86 st.st_mode & _DEF_DIRMODE, uid, gid, st.st_flags);
90 if (S_ISLNK(st.st_mode) &&
91 (len = readlinkat(skelfd, e->d_name, lnk, sizeof(lnk) -1))
94 symlinkat(lnk, homefd, p);
95 fchownat(homefd, p, uid, gid, AT_SYMLINK_NOFOLLOW);
99 if (!S_ISREG(st.st_mode))
102 if ((srcfd = openat(skelfd, e->d_name, O_RDONLY)) == -1)
104 destfd = openat(homefd, p, O_RDWR | O_CREAT | O_EXCL,
111 while ((sz = read(srcfd, copybuf, sizeof(copybuf))) > 0)
112 write(destfd, copybuf, sz);
116 * Propagate special filesystem flags
118 fchown(destfd, uid, gid);
119 fchflags(destfd, st.st_flags);