X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/16edf86595a5a990a942fa045dfb523dae1fe6cb..8e41b68e8f975c02a5d9281be780ba5d1a385107:/rsync.c

diff --git a/rsync.c b/rsync.c
index 7e97a930..4fcdea1d 100644
--- 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
@@ -15,14 +16,10 @@
  * 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"
-#if defined HAVE_ICONV_OPEN && defined HAVE_ICONV_H
-#include <iconv.h>
-#endif
 #if defined HAVE_LIBCHARSET_H && defined HAVE_LOCALE_CHARSET
 #include <libcharset.h>
 #elif defined HAVE_LANGINFO_H && defined HAVE_NL_LANGINFO
@@ -44,8 +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;
@@ -53,9 +50,16 @@ extern int keep_dirlinks;
 extern int make_backups;
 extern struct file_list *cur_flist, *first_flist, *dir_flist;
 extern struct chmod_mode_struct *daemon_chmod_modes;
+#ifdef ICONV_OPTION
+extern char *iconv_opt;
+#endif
 
-#if defined HAVE_ICONV_OPEN && defined HAVE_ICONV_H
+#ifdef ICONV_CONST
 iconv_t ic_chck = (iconv_t)-1;
+#ifdef ICONV_OPTION
+iconv_t ic_send = (iconv_t)-1, ic_recv = (iconv_t)-1;
+int ic_ndx;
+#endif
 
 static const char *default_charset(void)
 {
@@ -70,8 +74,13 @@ static const char *default_charset(void)
 
 void setup_iconv()
 {
+	const char *defset = default_charset();
+# ifdef ICONV_OPTION
+	const char *charset;
+	char *cp;
+#endif
+
 	if (!am_server && !allow_8bit_chars) {
-		const char *defset = default_charset();
 
 		/* It's OK if this fails... */
 		ic_chck = iconv_open(defset, defset);
@@ -89,6 +98,44 @@ void setup_iconv()
 			}
 		}
 	}
+
+# ifdef ICONV_OPTION
+	if (!iconv_opt)
+		return;
+
+	if ((cp = strchr(iconv_opt, ',')) != NULL) {
+		if (am_server) /* A local transfer needs this. */
+			iconv_opt = cp + 1;
+		else
+			*cp = '\0';
+	}
+
+	if (!*iconv_opt || (*iconv_opt == '.' && iconv_opt[1] == '\0'))
+		charset = defset;
+	else
+		charset = iconv_opt;
+
+	if ((ic_send = iconv_open(UTF8_CHARSET, charset)) == (iconv_t)-1) {
+		rprintf(FERROR, "iconv_open(\"%s\", \"%s\") failed\n",
+			UTF8_CHARSET, charset);
+		exit_cleanup(RERR_UNSUPPORTED);
+	}
+
+	if ((ic_recv = iconv_open(charset, UTF8_CHARSET)) == (iconv_t)-1) {
+		rprintf(FERROR, "iconv_open(\"%s\", \"%s\") failed\n",
+			charset, UTF8_CHARSET);
+		exit_cleanup(RERR_UNSUPPORTED);
+	}
+
+	if (!am_sender || inc_recurse)
+		ic_ndx = ++file_extra_cnt;
+
+	if (verbose > 1) {
+		rprintf(FINFO, "%s charset: %s\n",
+			am_server ? "server" : "client",
+			*charset ? charset : "[LOCALE]");
+	}
+# endif
 }
 #endif
 
@@ -98,7 +145,7 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
 	int len, iflags = 0;
 	struct file_list *flist;
 	uchar fnamecmp_type = FNAMECMP_FNAME;
-	int verbose_save, ndx;
+	int ndx;
 
   read_loop:
 	while (1) {
@@ -112,29 +159,29 @@ int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
 			goto invalid_ndx;
 		if (ndx == NDX_FLIST_EOF) {
 			flist_eof = 1;
-			send_msg(MSG_FLIST_EOF, "", 0);
+			send_msg(MSG_FLIST_EOF, "", 0, 0);
 			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);
 		}
-		verbose_save = verbose;
-		verbose = 0; /* TODO allow verbose messages? */
 
 		/* 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();
-
-		verbose = verbose_save;
 	}
 
 	iflags = protocol_version >= 29 ? read_shortint(f_in)
@@ -142,7 +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;
@@ -152,9 +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;
@@ -174,7 +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());
@@ -261,6 +307,8 @@ int set_file_attrs(const char *fname, struct file_struct *file, statx *sxp,
 #ifdef SUPPORT_XATTRS
 	if (preserve_xattrs && fnamecmp)
 		set_xattr(fname, file, fnamecmp, sxp);
+	if (am_root < 0)
+		set_stat_xattr(fname, file);
 #endif
 
 	if (!preserve_times || (S_ISDIR(sxp->st.st_mode) && omit_dir_times))
@@ -277,9 +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))
 		;
@@ -289,27 +337,27 @@ 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 (do_lchown(fname,
-		    change_uid ? F_UID(file) : sxp->st.st_uid,
-		    change_gid ? F_GID(file) : sxp->st.st_gid) != 0) {
+		if (am_root < 0) {
+			;
+		} else if (do_lchown(fname,
+		    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",
 			    change_uid ? "chown" : "chgrp",
 			    full_fname(fname));
 			goto cleanup;
-		}
+		} else
 		/* a lchown had been done - we have to re-stat if the
 		 * destination had the setuid or setgid bits set due
 		 * to the side effect of the chown call */
@@ -336,7 +384,7 @@ int set_file_attrs(const char *fname, struct file_struct *file, statx *sxp,
 
 #ifdef HAVE_CHMOD
 	if (!BITS_EQUAL(sxp->st.st_mode, new_mode, CHMOD_BITS)) {
-		int ret = do_chmod(fname, new_mode);
+		int ret = am_root < 0 ? 0 : do_chmod(fname, new_mode);
 		if (ret < 0) {
 			rsyserr(FERROR, errno,
 				"failed to set permissions on %s",
@@ -447,12 +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;
 	}