2 Copyright (C) Andrew Tridgell 1996
3 Copyright (C) Paul Mackerras 1996
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 /* this file contains code used by more than one part of the rsync
27 extern int preserve_times;
29 extern int preserve_uid;
30 extern int preserve_gid;
31 extern int preserve_perms;
32 extern int make_backups;
33 extern char *backup_suffix;
39 void free_sums(struct sum_struct *s)
41 if (s->sums) free(s->sums);
47 * delete a file or directory. If force_delet is set then delete
50 int delete_file(char *fname)
55 extern int force_delete;
60 if (do_unlink(fname) == 0 || errno == ENOENT) return 0;
63 ret = do_lstat(fname, &st);
65 ret = do_stat(fname, &st);
68 rprintf(FERROR,"stat(%s) : %s\n", fname, strerror(errno));
72 if (!S_ISDIR(st.st_mode)) {
73 rprintf(FERROR,"unlink(%s) : %s\n", fname, strerror(errno));
77 if (do_rmdir(fname) == 0 || errno == ENOENT) return 0;
78 if (!force_delete || !recurse ||
79 (errno != ENOTEMPTY && errno != EEXIST)) {
80 rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno));
84 /* now we do a recsursive delete on the directory ... */
87 rprintf(FERROR,"opendir(%s): %s\n",
88 fname,strerror(errno));
92 for (di=readdir(d); di; di=readdir(d)) {
93 char *dname = d_name(di);
94 if (strcmp(dname,".")==0 ||
95 strcmp(dname,"..")==0)
97 slprintf(buf, sizeof(buf)-1, "%s/%s", fname, dname);
99 rprintf(FINFO,"deleting %s\n", buf);
100 if (delete_file(buf) != 0) {
108 if (do_rmdir(fname) != 0) {
109 rprintf(FERROR,"rmdir(%s) : %s\n", fname, strerror(errno));
117 int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
122 extern int am_daemon;
124 if (dry_run) return 0;
127 if (link_stat(fname,&st2) != 0) {
128 rprintf(FERROR,"stat %s : %s\n",fname,strerror(errno));
134 if (preserve_times && !S_ISLNK(st->st_mode) &&
135 st->st_mtime != file->modtime) {
136 /* don't complain about not setting times on directories
137 because some filesystems can't do it */
138 if (set_modtime(fname,file->modtime) != 0 &&
139 !S_ISDIR(st->st_mode)) {
140 rprintf(FERROR,"failed to set times on %s : %s\n",
141 fname,strerror(errno));
148 if ((am_root || !am_daemon) &&
149 ((am_root && preserve_uid && st->st_uid != file->uid) ||
150 (preserve_gid && st->st_gid != file->gid))) {
152 (am_root&&preserve_uid)?file->uid:-1,
153 preserve_gid?file->gid:-1) != 0) {
154 if (preserve_uid && st->st_uid != file->uid)
156 if (verbose>1 || preserve_uid) {
157 rprintf(FERROR,"chown %s : %s\n",
158 fname,strerror(errno));
167 if (preserve_perms && !S_ISLNK(st->st_mode) &&
168 (st->st_mode != file->mode ||
169 (updated && (file->mode & ~ACCESSPERMS)))) {
171 if (do_chmod(fname,file->mode) != 0) {
172 rprintf(FERROR,"failed to set permissions on %s : %s\n",
173 fname,strerror(errno));
179 if (verbose > 1 && report) {
181 rprintf(FINFO,"%s\n",fname);
183 rprintf(FINFO,"%s is uptodate\n",fname);
195 /* finish off a file transfer, renaming the file and setting the permissions
197 void finish_transfer(char *fname, char *fnametmp, struct file_struct *file)
200 char fnamebak[MAXPATHLEN];
201 if (strlen(fname) + strlen(backup_suffix) > (MAXPATHLEN-1)) {
202 rprintf(FERROR,"backup filename too long\n");
205 slprintf(fnamebak,sizeof(fnamebak)-1,"%s%s",fname,backup_suffix);
206 if (do_rename(fname,fnamebak) != 0 && errno != ENOENT) {
207 rprintf(FERROR,"rename %s %s : %s\n",fname,fnamebak,strerror(errno));
212 /* move tmp file over real file */
213 if (do_rename(fnametmp,fname) != 0) {
214 if (errno == EXDEV) {
215 /* rename failed on cross-filesystem link.
216 Copy the file instead. */
217 if (copy_file(fnametmp,fname, file->mode & ACCESSPERMS)) {
218 rprintf(FERROR,"copy %s -> %s : %s\n",
219 fnametmp,fname,strerror(errno));
221 set_perms(fname,file,NULL,0);
225 rprintf(FERROR,"rename %s -> %s : %s\n",
226 fnametmp,fname,strerror(errno));
230 set_perms(fname,file,NULL,0);