Tweaking the license text a bit more.
[rsync/rsync.git] / rsync.c
diff --git a/rsync.c b/rsync.c
index 06fd30b..4fcdea1 100644 (file)
--- a/rsync.c
+++ b/rsync.c
@@ -6,8 +6,9 @@
  * Copyright (C) 2003-2007 Wayne Davison
  *
  * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
  *
  * This program is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
@@ -15,8 +16,7 @@
  * GNU General Public License for more details.
  *
  * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ * with this program; if not, visit the http://fsf.org website.
  */
 
 #include "rsync.h"
@@ -41,8 +41,8 @@ extern int am_generator;
 extern int am_starting_up;
 extern int allow_8bit_chars;
 extern int protocol_version;
-extern int preserve_uid;
-extern int preserve_gid;
+extern int uid_ndx;
+extern int gid_ndx;
 extern int inc_recurse;
 extern int inplace;
 extern int flist_eof;
@@ -127,7 +127,7 @@ void setup_iconv()
                exit_cleanup(RERR_UNSUPPORTED);
        }
 
-       if (!am_sender)
+       if (!am_sender || inc_recurse)
                ic_ndx = ++file_extra_cnt;
 
        if (verbose > 1) {
@@ -163,18 +163,22 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
                        continue;
                }
                ndx = NDX_FLIST_OFFSET - ndx;
-               if (ndx < 0 || ndx >= dir_flist->count) {
+               if (ndx < 0 || ndx >= dir_flist->used) {
                        ndx = NDX_FLIST_OFFSET - ndx;
                        rprintf(FERROR,
-                               "Invalid dir index: %d (%d - %d)\n",
-                               ndx, NDX_FLIST_OFFSET,
-                               NDX_FLIST_OFFSET - dir_flist->count);
+                               "[%s] Invalid dir index: %d (%d - %d)\n",
+                               who_am_i(), ndx, NDX_FLIST_OFFSET,
+                               NDX_FLIST_OFFSET - dir_flist->used + 1);
                        exit_cleanup(RERR_PROTOCOL);
                }
 
                /* Send everything read from f_in to msg_fd_out. */
                send_msg_int(MSG_FLIST, ndx);
                start_flist_forward(f_in);
+               if (verbose > 3) {
+                       rprintf(FINFO, "[%s] receiving flist for dir %d\n",
+                               who_am_i(), ndx);
+               }
                flist = recv_file_list(f_in);
                flist->parent_ndx = ndx;
                stop_flist_forward();
@@ -185,7 +189,7 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
 
        /* Honor the old-style keep-alive indicator. */
        if (protocol_version < 30
-        && ndx == cur_flist->count && iflags == ITEM_IS_NEW) {
+        && ndx == cur_flist->used && iflags == ITEM_IS_NEW) {
                if (am_sender)
                        maybe_send_keepalive();
                goto read_loop;
@@ -195,9 +199,8 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
          invalid_ndx:
                rprintf(FERROR,
                        "Invalid file index: %d (%d - %d) with iflags %x [%s]\n",
-                       ndx, first_flist->ndx_start + first_flist->ndx_start,
-                       first_flist->prev->ndx_start + first_flist->ndx_start
-                       + first_flist->prev->count - 1, iflags, who_am_i());
+                       ndx, first_flist->ndx_start - 1, first_flist->prev->ndx_end,
+                       iflags, who_am_i());
                exit_cleanup(RERR_PROTOCOL);
        }
        cur_flist = flist;
@@ -217,7 +220,7 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
 
        if (iflags & ITEM_TRANSFER) {
                int i = ndx - cur_flist->ndx_start;
-               if (!S_ISREG(cur_flist->files[i]->mode)) {
+               if (i < 0 || !S_ISREG(cur_flist->files[i]->mode)) {
                        rprintf(FERROR,
                                "received request to transfer non-regular file: %d [%s]\n",
                                ndx, who_am_i());
@@ -322,9 +325,9 @@ int set_file_attrs(const char *fname, struct file_struct *file, statx *sxp,
                        updated = 1;
        }
 
-       change_uid = am_root && preserve_uid && sxp->st.st_uid != F_UID(file);
-       change_gid = preserve_gid && F_GID(file) != GID_NONE
-               && sxp->st.st_gid != F_GID(file);
+       change_uid = am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file);
+       change_gid = gid_ndx && !(file->flags & FLAG_SKIP_GROUP)
+                 && sxp->st.st_gid != (gid_t)F_GROUP(file);
 #if !defined HAVE_LCHOWN && !defined CHOWN_MODIFIES_SYMLINK
        if (S_ISLNK(sxp->st.st_mode))
                ;
@@ -334,22 +337,20 @@ int set_file_attrs(const char *fname, struct file_struct *file, statx *sxp,
                if (verbose > 2) {
                        if (change_uid) {
                                rprintf(FINFO,
-                                       "set uid of %s from %ld to %ld\n",
-                                       fname,
-                                       (long)sxp->st.st_uid, (long)F_UID(file));
+                                       "set uid of %s from %u to %u\n",
+                                       fname, (unsigned)sxp->st.st_uid, F_OWNER(file));
                        }
                        if (change_gid) {
                                rprintf(FINFO,
-                                       "set gid of %s from %ld to %ld\n",
-                                       fname,
-                                       (long)sxp->st.st_gid, (long)F_GID(file));
+                                       "set gid of %s from %u to %u\n",
+                                       fname, (unsigned)sxp->st.st_gid, F_GROUP(file));
                        }
                }
                if (am_root < 0) {
                        ;
                } else if (do_lchown(fname,
-                   change_uid ? F_UID(file) : sxp->st.st_uid,
-                   change_gid ? F_GID(file) : sxp->st.st_gid) != 0) {
+                   change_uid ? (uid_t)F_OWNER(file) : sxp->st.st_uid,
+                   change_gid ? (gid_t)F_GROUP(file) : sxp->st.st_gid) != 0) {
                        /* shouldn't have attempted to change uid or gid
                         * unless have the privilege */
                        rsyserr(FERROR, errno, "%s %s failed",
@@ -494,12 +495,12 @@ struct file_list *flist_for_ndx(int ndx)
        if (!flist && !(flist = first_flist))
                return NULL;
 
-       while (ndx < flist->ndx_start) {
+       while (ndx < flist->ndx_start-1) {
                if (flist == first_flist)
                        return NULL;
                flist = flist->prev;
        }
-       while (ndx >= flist->ndx_start + flist->count) {
+       while (ndx > flist->ndx_end) {
                if (!(flist = flist->next))
                        return NULL;
        }