X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/0b52f94da727c4881b58c1cd6f2cf2a824e02b30..83a8ca7b14483826c85f7cc0e0e38ed9ce387d83:/flist.c

diff --git a/flist.c b/flist.c
index 20350459..8eaebd1a 100644
--- a/flist.c
+++ b/flist.c
@@ -4,7 +4,7 @@
  * Copyright (C) 1996 Andrew Tridgell
  * Copyright (C) 1996 Paul Mackerras
  * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * Copyright (C) 2002-2007 Wayne Davison
+ * Copyright (C) 2002-2008 Wayne Davison
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -44,6 +44,8 @@ extern int filesfrom_fd;
 extern int one_file_system;
 extern int copy_dirlinks;
 extern int keep_dirlinks;
+extern int preserve_uid;
+extern int preserve_gid;
 extern int preserve_acls;
 extern int preserve_xattrs;
 extern int preserve_links;
@@ -230,10 +232,20 @@ int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
 #endif
 }
 
+static inline int is_daemon_excluded(const char *fname, int is_dir)
+{
+	if (server_filter_list.head
+	 && check_filter(&server_filter_list, fname, is_dir) < 0) {
+		errno = ENOENT;
+		return 1;
+	}
+	return 0;
+}
+
 /* This function is used to check if a file should be included/excluded
  * from the list of files based on its name and type etc.  The value of
  * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
-static int is_excluded(char *fname, int is_dir, int filter_level)
+static int is_excluded(const char *fname, int is_dir, int filter_level)
 {
 #if 0 /* This currently never happens, so avoid a useless compare. */
 	if (filter_level == NO_FILTERS)
@@ -250,8 +262,7 @@ static int is_excluded(char *fname, int is_dir, int filter_level)
 				return 0;
 		}
 	}
-	if (server_filter_list.head
-	    && check_filter(&server_filter_list, fname, is_dir) < 0)
+	if (is_daemon_excluded(fname, is_dir))
 		return 1;
 	if (filter_level != ALL_FILTERS)
 		return 0;
@@ -422,24 +433,24 @@ static void send_file_entry(int f, struct file_struct *file, int ndx, int first_
 		}
 	} else if (protocol_version < 28)
 		rdev = MAKEDEV(0, 0);
-	if (uid_ndx) {
+	if (preserve_uid) {
 		if ((uid_t)F_OWNER(file) == uid && *lastname)
 			xflags |= XMIT_SAME_UID;
 		else {
 			uid = F_OWNER(file);
-			if (uid_ndx && !numeric_ids) {
+			if (!numeric_ids) {
 				user_name = add_uid(uid);
 				if (inc_recurse && user_name)
 					xflags |= XMIT_USER_NAME_FOLLOWS;
 			}
 		}
 	}
-	if (gid_ndx) {
+	if (preserve_gid) {
 		if ((gid_t)F_GROUP(file) == gid && *lastname)
 			xflags |= XMIT_SAME_GID;
 		else {
 			gid = F_GROUP(file);
-			if (gid_ndx && !numeric_ids) {
+			if (!numeric_ids) {
 				group_name = add_gid(gid);
 				if (inc_recurse && group_name)
 					xflags |= XMIT_GROUP_NAME_FOLLOWS;
@@ -522,7 +533,7 @@ static void send_file_entry(int f, struct file_struct *file, int ndx, int first_
 	}
 	if (!(xflags & XMIT_SAME_MODE))
 		write_int(f, to_wire_mode(mode));
-	if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
+	if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
 		if (protocol_version < 30)
 			write_int(f, uid);
 		else {
@@ -534,7 +545,7 @@ static void send_file_entry(int f, struct file_struct *file, int ndx, int first_
 			}
 		}
 	}
-	if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
+	if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
 		if (protocol_version < 30)
 			write_int(f, gid);
 		else {
@@ -706,9 +717,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 			file_length = F_LENGTH(first);
 			modtime = first->modtime;
 			mode = first->mode;
-			if (uid_ndx)
+			if (preserve_uid)
 				uid = F_OWNER(first);
-			if (gid_ndx)
+			if (preserve_gid)
 				gid = F_GROUP(first);
 			if ((preserve_devices && IS_DEVICE(mode))
 			 || (preserve_specials && IS_SPECIAL(mode))) {
@@ -745,7 +756,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 	if (chmod_modes && !S_ISLNK(mode))
 		mode = tweak_mode(mode, chmod_modes);
 
-	if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
+	if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
 		if (protocol_version < 30)
 			uid = (uid_t)read_int(f);
 		else {
@@ -756,7 +767,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 				uid = match_uid(uid);
 		}
 	}
-	if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
+	if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
 		if (protocol_version < 30)
 			gid = (gid_t)read_int(f);
 		else {
@@ -817,9 +828,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 #endif
 
 #ifdef SUPPORT_ACLS
-	/* We need one or two index int32s when we're preserving ACLs. */
-	if (preserve_acls)
-		extra_len += (S_ISDIR(mode) ? 2 : 1) * EXTRA_LEN;
+	/* Directories need an extra int32 for the default ACL. */
+	if (preserve_acls && S_ISDIR(mode))
+		extra_len += EXTRA_LEN;
 #endif
 
 	if (always_checksum && S_ISREG(mode))
@@ -852,7 +863,6 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 	bp += FILE_STRUCT_LEN;
 
 	memcpy(bp, basename, basename_len);
-	bp += basename_len + linkname_len; /* skip space for symlink too */
 
 #ifdef SUPPORT_HARD_LINKS
 	if (xflags & XMIT_HLINKED)
@@ -865,9 +875,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 		OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
 	}
 	file->mode = mode;
-	if (uid_ndx)
+	if (preserve_uid)
 		F_OWNER(file) = uid;
-	if (gid_ndx) {
+	if (preserve_gid) {
 		F_GROUP(file) = gid;
 		file->flags |= gid_flags;
 	}
@@ -917,7 +927,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist,
 
 #ifdef SUPPORT_LINKS
 	if (linkname_len) {
-		bp = (char*)file->basename + basename_len;
+		bp += basename_len;
 		if (first_hlink_ndx >= flist->ndx_start) {
 			struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
 			memcpy(bp, F_SYMLINK(first), linkname_len);
@@ -1121,8 +1131,14 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 			pool = dir_flist->file_pool;
 		} else
 			pool = flist->file_pool;
-	} else
+	} else {
+#ifdef SUPPORT_ACLS
+		/* Directories need an extra int32 for the default ACL. */
+		if (preserve_acls && S_ISDIR(st.st_mode))
+			extra_len += EXTRA_LEN;
+#endif
 		pool = NULL;
+	}
 
 	if (verbose > 2) {
 		rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
@@ -1170,7 +1186,6 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 	bp += FILE_STRUCT_LEN;
 
 	memcpy(bp, basename, basename_len);
-	bp += basename_len + linkname_len; /* skip space for symlink too */
 
 #ifdef SUPPORT_HARD_LINKS
 	if (preserve_hard_links && flist && flist->prev) {
@@ -1199,25 +1214,26 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 		OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
 	}
 	file->mode = st.st_mode;
-	if (uid_ndx)
+	if (uid_ndx) /* Check uid_ndx instead of preserve_uid for del support */
 		F_OWNER(file) = st.st_uid;
-	if (gid_ndx)
+	if (gid_ndx) /* Check gid_ndx instead of preserve_gid for del support */
 		F_GROUP(file) = st.st_gid;
 
 	if (basename != thisname)
 		file->dirname = lastdir;
 
 #ifdef SUPPORT_LINKS
-	if (linkname_len) {
-		bp = (char*)file->basename + basename_len;
-		memcpy(bp, linkname, linkname_len);
-	}
+	if (linkname_len)
+		memcpy(bp + basename_len, linkname, linkname_len);
 #endif
 
 	if (always_checksum && am_sender && S_ISREG(st.st_mode))
 		file_checksum(thisname, tmp_sum, st.st_size);
 
-	F_PATHNAME(file) = pathname;
+	if (am_sender)
+		F_PATHNAME(file) = pathname;
+	else if (!pool)
+		F_DEPTH(file) = extra_len / EXTRA_LEN;
 
 	/* This code is only used by the receiver when it is building
 	 * a list of files for a delete pass. */
@@ -1253,12 +1269,7 @@ struct file_struct *make_file(const char *fname, struct file_list *flist,
 /* Only called for temporary file_struct entries created by make_file(). */
 void unmake_file(struct file_struct *file)
 {
-	int extra_cnt = file_extra_cnt + LEN64_BUMP(file);
-#if EXTRA_ROUNDING > 0
-	if (extra_cnt & EXTRA_ROUNDING)
-		extra_cnt = (extra_cnt | EXTRA_ROUNDING) + 1;
-#endif
-	free(REQ_EXTRA(file, extra_cnt));
+	free(REQ_EXTRA(file, F_DEPTH(file)));
 }
 
 static struct file_struct *send_file_name(int f, struct file_list *flist,
@@ -1937,7 +1948,8 @@ struct file_list *send_file_list(int f, int argc, char *argv[])
 		if (fn != fbuf)
 			memmove(fbuf, fn, len + 1);
 
-		if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0) {
+		if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0
+		 || is_daemon_excluded(fbuf, S_ISDIR(st.st_mode) != 0)) {
 			io_error |= IOERR_GENERAL;
 			rsyserr(FERROR_XFER, errno, "link_stat %s failed",
 				full_fname(fbuf));