A helper file for cleanup.c.

[rsync/rsync.git] / receiver.c

diff --git a/receiver.c b/receiver.c
index c032639..4ac407f 100644 (file)
--- a/receiver.c
+++ b/receiver.c
@@ -40,7 +40,7 @@ extern int preserve_perms;
 extern int basis_dir_cnt;
 extern int make_backups;
 extern int cleanup_got_literal;
-extern int remove_sender_files;
+extern int remove_source_files;
 extern int append_mode;
 extern int sparse_files;
 extern int keep_partial;
@@ -57,6 +57,8 @@ extern struct filter_list_struct server_filter_list;
 
 static struct bitbag *delayed_bits = NULL;
 static int phase = 0;
+/* We're either updating the basis file or an identical copy: */
+static int updating_basis;
 
 
 /*
@@ -82,15 +84,13 @@ static int phase = 0;
 
 static int get_tmpname(char *fnametmp, char *fname)
 {
+       int maxname, added, length = 0;
        char *f;
-       int     length = 0;
-       int     maxname;
 
        if (tmpdir) {
                /* Note: this can't overflow, so the return value is safe */
                length = strlcpy(fnametmp, tmpdir, MAXPATHLEN - 2);
                fnametmp[length++] = '/';
-               fnametmp[length] = '\0';        /* always NULL terminated */
        }
 
        if ((f = strrchr(fname, '/')) != NULL) {
@@ -103,8 +103,9 @@ static int get_tmpname(char *fnametmp, char *fname)
        } else
                f = fname;
        fnametmp[length++] = '.';
-       fnametmp[length] = '\0';                /* always NULL terminated */
 
+       /* The maxname value is bufsize, and includes space for the '\0'.
+        * (Note that NAME_MAX get -8 for the leading '.' above.) */
        maxname = MIN(MAXPATHLEN - 7 - length, NAME_MAX - 8);
 
        if (maxname < 1) {
@@ -113,8 +114,10 @@ static int get_tmpname(char *fnametmp, char *fname)
                return 0;
        }
 
-       strlcpy(fnametmp + length, f, maxname);
-       strcat(fnametmp + length, ".XXXXXX");
+       added = strlcpy(fnametmp + length, f, maxname);
+       if (added >= maxname)
+               added = maxname - 1;
+       memcpy(fnametmp + length + added, ".XXXXXX", 8);
 
        return 1;
 }
@@ -216,7 +219,7 @@ static int receive_data(int f_in, char *fname_r, int fd_r, OFF_T size_r,
                        sum_update(map, len);
                }
 
-               if (inplace) {
+               if (updating_basis) {
                        if (offset == offset2 && fd != -1) {
                                OFF_T pos;
                                if (flush_write_file(fd) < 0)
@@ -296,7 +299,7 @@ static void handle_delayed_updates(struct file_list *flist, char *local_name)
                                        "rename failed for %s (from %s)",
                                        full_fname(fname), partialptr);
                        } else {
-                               if (remove_sender_files
+                               if (remove_source_files
                                    || (preserve_hard_links
                                     && file->link_u.links)) {
                                        SIVAL(numbuf, 0, i);
@@ -360,6 +363,8 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
        if (delay_updates)
                delayed_bits = bitbag_create(flist->count);
 
+       updating_basis = inplace;
+
        while (1) {
                cleanup_disable();
 
@@ -459,6 +464,7 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
                                fnamecmp = get_backup_name(fname);
                                break;
                        case FNAMECMP_FUZZY:
+                               updating_basis = 0;
                                if (file->dirname) {
                                        pathjoin(fnamecmpbuf, MAXPATHLEN,
                                                 file->dirname, xname);
@@ -467,6 +473,7 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
                                        fnamecmp = xname;
                                break;
                        default:
+                               updating_basis = 0;
                                if (fnamecmp_type >= basis_dir_cnt) {
                                        rprintf(FERROR,
                                                "invalid basis_dir index: %d.\n",
@@ -513,7 +520,10 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
                        }
                }
 
-               if (fd1 != -1 && do_fstat(fd1,&st) != 0) {
+               if (fd1 == -1) {
+                       st.st_mode = 0;
+                       st.st_size = 0;
+               } else if (do_fstat(fd1,&st) != 0) {
                        rsyserr(FERROR, errno, "fstat %s failed",
                                full_fname(fnamecmp));
                        discard_receive_data(f_in, file->length);
@@ -546,7 +556,7 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
                        file->mode = dest_mode(file->mode, st.st_mode, exists);
                }
 
-               /* We now check to see if we are writing file "inplace" */
+               /* We now check to see if we are writing the file "inplace" */
                if (inplace)  {
                        fd2 = do_open(fname, O_WRONLY|O_CREAT, 0600);
                        if (fd2 == -1) {
@@ -644,7 +654,7 @@ int recv_files(int f_in, struct file_list *flist, char *local_name)
                cleanup_disable();
 
                if (recv_ok > 0) {
-                       if (remove_sender_files
+                       if (remove_source_files
                            || (preserve_hard_links && file->link_u.links)) {
                                SIVAL(numbuf, 0, i);
                                send_msg(MSG_SUCCESS, numbuf, 4);