X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/c786a7aec545259f857212a2376ee4c274d2e3b6..344f9ba7fa5f2283672a2c0d7a380ce3ab77a42f:/rsync.c

diff --git a/rsync.c b/rsync.c
index 4c34deb4..68d5026e 100644
--- a/rsync.c
+++ b/rsync.c
@@ -24,23 +24,20 @@
 
 extern int verbose;
 extern int dry_run;
-extern int itemize_changes;
+extern int daemon_log_format_has_i;
 extern int preserve_times;
 extern int omit_dir_times;
 extern int am_root;
 extern int am_server;
 extern int am_sender;
 extern int am_generator;
+extern int am_starting_up;
 extern int preserve_uid;
 extern int preserve_gid;
-extern int force_delete;
 extern int inplace;
-extern int recurse;
 extern int keep_dirlinks;
 extern int make_backups;
 extern struct stats stats;
-extern char *backup_dir;
-extern char *log_format;
 
 
 /*
@@ -52,98 +49,8 @@ void free_sums(struct sum_struct *s)
 	free(s);
 }
 
-
-/*
- * delete a file or directory. If force_delete is set then delete
- * recursively
- */
-int delete_file(char *fname, int mode, int flags)
-{
-	DIR *d;
-	struct dirent *di;
-	char buf[MAXPATHLEN];
-	STRUCT_STAT st;
-	int zap_dir;
-
-	if (!S_ISDIR(mode)) {
-		if (robust_unlink(fname) == 0) {
-			if ((verbose || log_format) && !(flags & DEL_TERSE))
-				log_delete(fname, mode);
-			return 0;
-		}
-		if (errno == ENOENT)
-			return 0;
-		rsyserr(FERROR, errno, "delete_file: unlink %s failed",
-			full_fname(fname));
-		return -1;
-	}
-
-	zap_dir = (flags & DEL_FORCE_RECURSE || (force_delete && recurse))
-		&& !(flags & DEL_NO_RECURSE);
-	if (dry_run && zap_dir)
-		errno = ENOTEMPTY;
-	else if (do_rmdir(fname) == 0) {
-		if ((verbose || log_format) && !(flags & DEL_TERSE))
-			log_delete(fname, mode);
-		return 0;
-	}
-	if (errno == ENOENT)
-		return 0;
-	if (!zap_dir || (errno != ENOTEMPTY && errno != EEXIST)) {
-		rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
-			full_fname(fname));
-		return -1;
-	}
-
-	/* now we do a recsursive delete on the directory ... */
-	if (!(d = opendir(fname))) {
-		rsyserr(FERROR, errno, "delete_file: opendir %s failed",
-			full_fname(fname));
-		return -1;
-	}
-
-	if (!(flags & DEL_TERSE)) {
-		if (verbose || log_format)
-			log_delete(fname, mode);
-		flags |= DEL_TERSE;
-	}
-
-	for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
-		char *dname = d_name(di);
-		if (dname[0] == '.' && (dname[1] == '\0'
-		    || (dname[1] == '.' && dname[2] == '\0')))
-			continue;
-		pathjoin(buf, sizeof buf, fname, dname);
-
-		if (do_lstat(buf, &st) < 0)
-			continue;
-		if (verbose || log_format)
-			log_delete(buf, st.st_mode);
-		if (delete_file(buf, st.st_mode, flags) != 0) {
-			closedir(d);
-			return -1;
-		}
-	}
-	if (errno) {
-		rsyserr(FERROR, errno, "delete_file: readdir %s failed",
-			full_fname(fname));
-		closedir(d);
-		return -1;
-	}
-
-	closedir(d);
-
-	if (do_rmdir(fname) != 0 && errno != ENOENT) {
-		rsyserr(FERROR, errno, "delete_file: rmdir %s failed",
-			full_fname(fname));
-		return -1;
-	}
-
-	return 0;
-}
-
-int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
-	      int flags)
+int set_file_attrs(char *fname, struct file_struct *file, STRUCT_STAT *st,
+		   int flags)
 {
 	int updated = 0;
 	STRUCT_STAT st2;
@@ -160,18 +67,18 @@ int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
 		st = &st2;
 	}
 
-	if (!preserve_times || S_ISLNK(st->st_mode)
-	 || (S_ISDIR(st->st_mode)
-	  && (omit_dir_times || (make_backups && !backup_dir))))
-		flags |= PERMS_SKIP_MTIME;
-	if (!(flags & PERMS_SKIP_MTIME)
+	if (!preserve_times || (S_ISDIR(st->st_mode) && omit_dir_times))
+		flags |= ATTRS_SKIP_MTIME;
+	if (!(flags & ATTRS_SKIP_MTIME)
 	    && cmp_modtime(st->st_mtime, file->modtime) != 0) {
-		if (set_modtime(fname,file->modtime) != 0) {
+		int ret = set_modtime(fname, file->modtime, st->st_mode);
+		if (ret < 0) {
 			rsyserr(FERROR, errno, "failed to set times on %s",
 				full_fname(fname));
 			return 0;
 		}
-		updated = 1;
+		if (ret == 0) /* ret == 1 if symlink could not be set */
+			updated = 1;
 	}
 
 	change_uid = am_root && preserve_uid && st->st_uid != file->uid;
@@ -187,13 +94,13 @@ int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
 			if (change_uid) {
 				rprintf(FINFO,
 					"set uid of %s from %ld to %ld\n",
-					safe_fname(fname),
+					fname,
 					(long)st->st_uid, (long)file->uid);
 			}
 			if (change_gid) {
 				rprintf(FINFO,
 					"set gid of %s from %ld to %ld\n",
-					safe_fname(fname),
+					fname,
 					(long)st->st_gid, (long)file->gid);
 			}
 		}
@@ -218,28 +125,30 @@ int set_perms(char *fname,struct file_struct *file,STRUCT_STAT *st,
 	}
 
 #ifdef HAVE_CHMOD
-	if (!S_ISLNK(st->st_mode)) {
-		if ((st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) {
-			updated = 1;
-			if (do_chmod(fname,(file->mode & CHMOD_BITS)) != 0) {
-				rsyserr(FERROR, errno, "failed to set permissions on %s",
-					full_fname(fname));
-				return 0;
-			}
+	if ((st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS)) {
+		int ret = do_chmod(fname, file->mode);
+		if (ret < 0) {
+			rsyserr(FERROR, errno,
+				"failed to set permissions on %s",
+				full_fname(fname));
+			return 0;
 		}
+		if (ret == 0) /* ret == 1 if symlink could not be set */
+			updated = 1;
 	}
 #endif
 
-	if (verbose > 1 && flags & PERMS_REPORT) {
+	if (verbose > 1 && flags & ATTRS_REPORT) {
+		enum logcode code = daemon_log_format_has_i || dry_run
+				  ? FCLIENT : FINFO;
 		if (updated)
-			rprintf(FINFO, "%s\n", safe_fname(fname));
+			rprintf(code, "%s\n", fname);
 		else
-			rprintf(FINFO, "%s is uptodate\n", safe_fname(fname));
+			rprintf(code, "%s is uptodate\n", fname);
 	}
 	return updated;
 }
 
-
 void sig_int(void)
 {
 	/* KLUGE: if the user hits Ctrl-C while ssh is prompting
@@ -254,36 +163,39 @@ void sig_int(void)
 	exit_cleanup(RERR_SIGNAL);
 }
 
-
-/* finish off a file transfer, renaming the file and setting the permissions
-   and ownership */
-void finish_transfer(char *fname, char *fnametmp, struct file_struct *file,
-		     int ok_to_set_time, int overwriting_basis)
+/* Finish off a file transfer: renaming the file and setting the file's
+ * attributes (e.g. permissions, ownership, etc.).  If partialptr is not
+ * NULL and the robust_rename() call is forced to copy the temp file, we
+ * stage the file into the partial-dir and then rename it into place. */
+void finish_transfer(char *fname, char *fnametmp, char *partialptr,
+		     struct file_struct *file, int ok_to_set_time,
+		     int overwriting_basis)
 {
 	int ret;
 
 	if (inplace) {
 		if (verbose > 2)
-			rprintf(FINFO, "finishing %s\n", safe_fname(fname));
-		goto do_set_perms;
+			rprintf(FINFO, "finishing %s\n", fname);
+		fnametmp = fname;
+		goto do_set_file_attrs;
 	}
 
 	if (make_backups && overwriting_basis && !make_backup(fname))
 		return;
 
 	/* Change permissions before putting the file into place. */
-	set_perms(fnametmp, file, NULL, ok_to_set_time ? 0 : PERMS_SKIP_MTIME);
+	set_file_attrs(fnametmp, file, NULL,
+		       ok_to_set_time ? 0 : ATTRS_SKIP_MTIME);
 
 	/* move tmp file over real file */
-	if (verbose > 2) {
-		rprintf(FINFO, "renaming %s to %s\n",
-			safe_fname(fnametmp), safe_fname(fname));
-	}
-	ret = robust_rename(fnametmp, fname, file->mode & INITACCESSPERMS);
+	if (verbose > 2)
+		rprintf(FINFO, "renaming %s to %s\n", fnametmp, fname);
+	ret = robust_rename(fnametmp, fname, partialptr,
+			    file->mode & INITACCESSPERMS);
 	if (ret < 0) {
 		rsyserr(FERROR, errno, "%s %s -> \"%s\"",
-		    ret == -2 ? "copy" : "rename",
-		    full_fname(fnametmp), safe_fname(fname));
+			ret == -2 ? "copy" : "rename",
+			full_fname(fnametmp), fname);
 		do_unlink(fnametmp);
 		return;
 	}
@@ -291,13 +203,26 @@ void finish_transfer(char *fname, char *fnametmp, struct file_struct *file,
 		/* The file was moved into place (not copied), so it's done. */
 		return;
 	}
-    do_set_perms:
-	set_perms(fname, file, NULL, ok_to_set_time ? 0 : PERMS_SKIP_MTIME);
+	/* The file was copied, so tweak the perms of the copied file.  If it
+	 * was copied to partialptr, move it into its final destination. */
+	fnametmp = partialptr ? partialptr : fname;
+
+  do_set_file_attrs:
+	set_file_attrs(fnametmp, file, NULL,
+		       ok_to_set_time ? 0 : ATTRS_SKIP_MTIME);
+
+	if (partialptr) {
+		if (do_rename(fnametmp, fname) < 0) {
+			rsyserr(FERROR, errno, "rename %s -> \"%s\"",
+				full_fname(fnametmp), fname);
+		} else
+			handle_partial_dir(partialptr, PDIR_DELETE);
+	}
 }
 
 const char *who_am_i(void)
 {
-	if (am_sender < 0)
+	if (am_starting_up)
 		return am_server ? "server" : "client";
 	return am_sender ? "sender" : am_generator ? "generator" : "receiver";
 }