mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-25 11:37:56 +00:00
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/*-
|
|
* Copyright (C) 1996
|
|
* David L. Nugent. All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
* 1. Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY DAVID L. NUGENT AND CONTRIBUTORS ``AS IS'' AND
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL DAVID L. NUGENT OR CONTRIBUTORS BE LIABLE
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
|
* SUCH DAMAGE.
|
|
*/
|
|
|
|
#ifndef lint
|
|
static const char rcsid[] =
|
|
"$FreeBSD$";
|
|
#endif /* not lint */
|
|
|
|
#include <err.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <sys/types.h>
|
|
#include <sys/stat.h>
|
|
#include <sys/param.h>
|
|
#include <dirent.h>
|
|
|
|
#include "pw.h"
|
|
#include "pwupd.h"
|
|
|
|
void
|
|
copymkdir(char const * dir, char const * skel, mode_t mode, uid_t uid, gid_t gid)
|
|
{
|
|
char src[MAXPATHLEN];
|
|
char dst[MAXPATHLEN];
|
|
char lnk[MAXPATHLEN];
|
|
int len;
|
|
|
|
if (mkdir(dir, mode) != 0 && errno != EEXIST) {
|
|
warn("mkdir(%s)", dir);
|
|
} else {
|
|
int infd, outfd;
|
|
struct stat st;
|
|
|
|
static char counter = 0;
|
|
static char *copybuf = NULL;
|
|
|
|
++counter;
|
|
chown(dir, uid, gid);
|
|
if (skel != NULL && *skel != '\0') {
|
|
DIR *d = opendir(skel);
|
|
|
|
if (d != NULL) {
|
|
struct dirent *e;
|
|
|
|
while ((e = readdir(d)) != NULL) {
|
|
char *p = e->d_name;
|
|
|
|
if (snprintf(src, sizeof(src), "%s/%s", skel, p) >= (int)sizeof(src))
|
|
warn("warning: pathname too long '%s/%s' (skel not copied)", skel, p);
|
|
else if (lstat(src, &st) == 0) {
|
|
if (strncmp(p, "dot.", 4) == 0) /* Conversion */
|
|
p += 3;
|
|
if (snprintf(dst, sizeof(dst), "%s/%s", dir, p) >= (int)sizeof(dst))
|
|
warn("warning: path too long '%s/%s' (skel file skipped)", dir, p);
|
|
else {
|
|
if (S_ISDIR(st.st_mode)) { /* Recurse for this */
|
|
if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0)
|
|
copymkdir(dst, src, st.st_mode & _DEF_DIRMODE, uid, gid);
|
|
chflags(dst, st.st_flags); /* propagate flags */
|
|
} else if (S_ISLNK(st.st_mode) && (len = readlink(src, lnk, sizeof(lnk) - 1)) != -1) {
|
|
lnk[len] = '\0';
|
|
symlink(lnk, dst);
|
|
lchown(dst, uid, gid);
|
|
/*
|
|
* Note: don't propagate special attributes
|
|
* but do propagate file flags
|
|
*/
|
|
} else if (S_ISREG(st.st_mode) && (outfd = open(dst, O_RDWR | O_CREAT | O_EXCL, st.st_mode)) != -1) {
|
|
if ((infd = open(src, O_RDONLY)) == -1) {
|
|
close(outfd);
|
|
remove(dst);
|
|
} else {
|
|
int b;
|
|
|
|
/*
|
|
* Allocate our copy buffer if we need to
|
|
*/
|
|
if (copybuf == NULL)
|
|
copybuf = malloc(4096);
|
|
while ((b = read(infd, copybuf, 4096)) > 0)
|
|
write(outfd, copybuf, b);
|
|
close(infd);
|
|
/*
|
|
* Propagate special filesystem flags
|
|
*/
|
|
fchown(outfd, uid, gid);
|
|
fchflags(outfd, st.st_flags);
|
|
close(outfd);
|
|
chown(dst, uid, gid);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
closedir(d);
|
|
}
|
|
}
|
|
if (--counter == 0 && copybuf != NULL) {
|
|
free(copybuf);
|
|
copybuf = NULL;
|
|
}
|
|
}
|
|
}
|
|
|