1 /*- 2 * Copyright (C) 1996 3 * David L. Nugent. All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 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. 13 * 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 24 * SUCH DAMAGE. 25 * 26 * $Id$ 27 */ 28 29 #include <stdio.h> 30 #include <string.h> 31 #include <stdlib.h> 32 #include <fcntl.h> 33 #include <sys/types.h> 34 #include <sys/stat.h> 35 #include <dirent.h> 36 #include <unistd.h> 37 #include <sys/param.h> 38 #include <errno.h> 39 40 #include "pwupd.h" 41 42 void 43 copymkdir(char const * dir, char const * skel, mode_t mode, uid_t uid, gid_t gid) 44 { 45 int rc = 0; 46 char src[MAXPATHLEN]; 47 char dst[MAXPATHLEN]; 48 49 if (mkdir(dir, mode) != 0 && errno != EEXIST) { 50 sprintf(src, "mkdir(%s)", dir); 51 perror(src); 52 } else { 53 int infd, outfd; 54 struct stat st; 55 56 static char counter = 0; 57 static char *copybuf = NULL; 58 59 ++counter; 60 chown(dir, uid, gid); 61 if (skel == NULL || *skel == '\0') 62 rc = 1; 63 else { 64 DIR *d = opendir(skel); 65 66 if (d != NULL) { 67 struct dirent *e; 68 69 while ((e = readdir(d)) != NULL) { 70 char *p = e->d_name; 71 72 sprintf(src, "%s/%s", skel, p); 73 if (stat(src, &st) == 0) { 74 if (strncmp(p, "dot.", 4) == 0) /* Conversion */ 75 p += 3; 76 sprintf(dst, "%s/%s", dir, p); 77 if (S_ISDIR(st.st_mode)) { /* Recurse for this */ 78 if (strcmp(e->d_name, ".") != 0 && strcmp(e->d_name, "..") != 0) 79 copymkdir(dst, src, (st.st_mode & 0777), uid, gid); 80 /* 81 * Note: don't propogate 'special' attributes 82 */ 83 } else if (S_ISREG(st.st_mode) && (outfd = open(dst, O_RDWR | O_CREAT | O_EXCL, st.st_mode)) != -1) { 84 if ((infd = open(src, O_RDONLY)) == -1) { 85 close(outfd); 86 remove(dst); 87 } else { 88 int b; 89 90 /* 91 * Allocate our copy buffer if we need to 92 */ 93 if (copybuf == NULL) 94 copybuf = malloc(4096); 95 while ((b = read(infd, copybuf, 4096)) > 0) 96 write(outfd, copybuf, b); 97 close(infd); 98 close(outfd); 99 chown(dst, uid, gid); 100 } 101 } 102 } 103 } 104 closedir(d); 105 } 106 } 107 if (--counter == 0 && copybuf != NULL) { 108 free(copybuf); 109 copybuf = NULL; 110 } 111 } 112 } 113 114