X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/0c5f37d9dbd05edc48a135eb809af0a31c8c73e3..3bee67337d0491f55654cf8e926592365e5a8502:/flist.c

diff --git a/flist.c b/flist.c
index e67d4b2f..86646bb5 100644
--- a/flist.c
+++ b/flist.c
@@ -44,6 +44,7 @@ extern int preserve_times;
 extern int relative_paths;
 extern int copy_links;
 extern int remote_version;
+extern int io_error;
 
 static char **local_exclude_list;
 
@@ -68,7 +69,7 @@ static int match_file_name(char *fname,struct stat *st)
 {
   if (check_exclude(fname,local_exclude_list)) {
     if (verbose > 2)
-      fprintf(FERROR,"excluding file %s\n",fname);
+      fprintf(FINFO,"excluding file %s\n",fname);
     return 0;
   }
   return 1;
@@ -133,7 +134,7 @@ static void clean_fname(char *name)
 
 
 
-void send_file_entry(struct file_struct *file,int f)
+void send_file_entry(struct file_struct *file,int f,unsigned base_flags)
 {
   unsigned char flags;
   static time_t last_time;
@@ -154,7 +155,7 @@ void send_file_entry(struct file_struct *file,int f)
 
   fname = f_name(file);
 
-  flags = FILE_VALID;
+  flags = base_flags;
 
   if (file->mode == last_mode) flags |= SAME_MODE;
   if (file->rdev == last_rdev) flags |= SAME_RDEV;
@@ -208,7 +209,7 @@ void send_file_entry(struct file_struct *file,int f)
 #endif
 
   if (always_checksum) {
-    write_buf(f,file->sum,csum_length);
+	  write_buf(f,file->sum,csum_length);
   }       
 
   last_mode = file->mode;
@@ -223,8 +224,8 @@ void send_file_entry(struct file_struct *file,int f)
 
 
 
-void receive_file_entry(struct file_struct **fptr,
-			unsigned char flags,int f)
+static void receive_file_entry(struct file_struct **fptr,
+			       unsigned flags,int f)
 {
   static time_t last_time;
   static mode_t last_mode;
@@ -250,8 +251,10 @@ void receive_file_entry(struct file_struct **fptr,
   bzero((char *)file,sizeof(*file));
   (*fptr) = file;
 
+  if (l2 >= MAXPATHLEN-l1) overflow("receive_file_entry");
+
   strncpy(thisname,lastname,l1);
-  read_buf(f,&thisname[l1],l2);
+  read_sbuf(f,&thisname[l1],l2);
   thisname[l1+l2] = 0;
 
   strncpy(lastname,thisname,MAXPATHLEN-1);
@@ -277,6 +280,7 @@ void receive_file_entry(struct file_struct **fptr,
   if (!file->basename) out_of_memory("receive_file_entry 1");
 
 
+  file->flags = flags;
   file->length = read_longint(f);
   file->modtime = (flags & SAME_TIME) ? last_time : (time_t)read_int(f);
   file->mode = (flags & SAME_MODE) ? last_mode : (mode_t)read_int(f);
@@ -291,8 +295,7 @@ void receive_file_entry(struct file_struct **fptr,
     int l = read_int(f);
     file->link = (char *)malloc(l+1);
     if (!file->link) out_of_memory("receive_file_entry 2");
-    read_buf(f,file->link,l);
-    file->link[l] = 0;
+    read_sbuf(f,file->link,l);
   }
 
 #if SUPPORT_HARD_LINKS
@@ -356,13 +359,14 @@ static struct file_struct *make_file(char *fname)
 	bzero(sum,SUM_LENGTH);
 
 	if (link_stat(fname,&st) != 0) {
+		io_error = 1;
 		fprintf(FERROR,"%s: %s\n",
 			fname,strerror(errno));
 		return NULL;
 	}
 
 	if (S_ISDIR(st.st_mode) && !recurse) {
-		fprintf(FERROR,"skipping directory %s\n",fname);
+		fprintf(FINFO,"skipping directory %s\n",fname);
 		return NULL;
 	}
 	
@@ -375,7 +379,7 @@ static struct file_struct *make_file(char *fname)
 		return NULL;
 	
 	if (verbose > 2)
-		fprintf(FERROR,"make_file(%s)\n",fname);
+		fprintf(FINFO,"make_file(%s)\n",fname);
 	
 	file = (struct file_struct *)malloc(sizeof(*file));
 	if (!file) out_of_memory("make_file");
@@ -413,6 +417,7 @@ static struct file_struct *make_file(char *fname)
 		int l;
 		char lnk[MAXPATHLEN];
 		if ((l=readlink(fname,lnk,MAXPATHLEN-1)) == -1) {
+			io_error=1;
 			fprintf(FERROR,"readlink %s : %s\n",
 				fname,strerror(errno));
 			return NULL;
@@ -422,10 +427,17 @@ static struct file_struct *make_file(char *fname)
 	}
 #endif
 
-	if (always_checksum && S_ISREG(st.st_mode)) {
+	if (always_checksum) {
 		file->sum = (char *)malloc(MD4_SUM_LENGTH);
 		if (!file->sum) out_of_memory("md4 sum");
-		file_checksum(fname,file->sum,st.st_size);
+		/* drat. we have to provide a null checksum for non-regular
+		   files in order to be compatible with earlier versions
+		   of rsync */
+		if (S_ISREG(st.st_mode)) {
+			file_checksum(fname,file->sum,st.st_size);
+		} else {
+			memset(file->sum, 0, MD4_SUM_LENGTH);
+		}
 	}       
 
 	if (flist_dir) {
@@ -449,7 +461,7 @@ static struct file_struct *make_file(char *fname)
 
 
 static void send_file_name(int f,struct file_list *flist,char *fname,
-			   int recursive)
+			   int recursive, unsigned base_flags)
 {
   struct file_struct *file;
 
@@ -471,7 +483,7 @@ static void send_file_name(int f,struct file_list *flist,char *fname,
 
   if (strcmp(file->basename,"")) {
     flist->files[flist->count++] = file;
-    send_file_entry(file,f);
+    send_file_entry(file,f,base_flags);
   }
 
   if (S_ISDIR(file->mode) && recursive) {
@@ -494,6 +506,7 @@ static void send_directory(int f,struct file_list *flist,char *dir)
 
 	d = opendir(dir);
 	if (!d) {
+		io_error = 1;
 		fprintf(FERROR,"%s: %s\n",
 			dir,strerror(errno));
 		return;
@@ -504,6 +517,7 @@ static void send_directory(int f,struct file_list *flist,char *dir)
 	l = strlen(fname);
 	if (fname[l-1] != '/') {
 		if (l == MAXPATHLEN-1) {
+			io_error = 1;
 			fprintf(FERROR,"skipping long-named directory %s\n",fname);
 			closedir(d);
 			return;
@@ -518,7 +532,8 @@ static void send_directory(int f,struct file_list *flist,char *dir)
 			strcpy(p,".cvsignore");
 			local_exclude_list = make_exclude_list(fname,NULL,0);
 		} else {
-			fprintf(FERROR,"cannot cvs-exclude in long-named directory %s\n",fname);
+			io_error = 1;
+			fprintf(FINFO,"cannot cvs-exclude in long-named directory %s\n",fname);
 		}
 	}  
 	
@@ -527,7 +542,7 @@ static void send_directory(int f,struct file_list *flist,char *dir)
 		    strcmp(di->d_name,"..")==0)
 			continue;
 		strncpy(p,di->d_name,MAXPATHLEN-(l+1));
-		send_file_name(f,flist,fname,recurse);
+		send_file_name(f,flist,fname,recurse,FLAG_DELETE);
 	}
 
 	closedir(d);
@@ -571,12 +586,13 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 		}
 
 		if (link_stat(fname,&st) != 0) {
+			io_error=1;
 			fprintf(FERROR,"%s : %s\n",fname,strerror(errno));
 			continue;
 		}
 
 		if (S_ISDIR(st.st_mode) && !recurse) {
-			fprintf(FERROR,"skipping directory %s\n",fname);
+			fprintf(FINFO,"skipping directory %s\n",fname);
 			continue;
 		}
 
@@ -601,7 +617,7 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 				*p = '/';
 				for (p=fname+1; (p=strchr(p,'/')); p++) {
 					*p = 0;
-					send_file_name(f, flist, fname, 0);
+					send_file_name(f, flist, fname, 0, 0);
 					*p = '/';
 				}
 			} else {
@@ -618,6 +634,7 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 				exit_cleanup(1);
 			}
 			if (chdir(dir) != 0) {
+				io_error=1;
 				fprintf(FERROR,"chdir %s : %s\n",
 					dir,strerror(errno));
 				continue;
@@ -625,7 +642,7 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 			flist_dir = dir;
 			if (one_file_system)
 				set_filesystem(fname);
-			send_file_name(f,flist,fname,recurse);
+			send_file_name(f,flist,fname,recurse,FLAG_DELETE);
 			flist_dir = NULL;
 			if (chdir(dbuf) != 0) {
 				fprintf(FERROR,"chdir %s : %s\n",
@@ -637,11 +654,11 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 		
 		if (one_file_system)
 			set_filesystem(fname);
-		send_file_name(f,flist,fname,recurse);
+		send_file_name(f,flist,fname,recurse,FLAG_DELETE);
 	}
 
 	if (f != -1) {
-		send_file_entry(NULL,f);
+		send_file_entry(NULL,f,0);
 		write_flush(f);
 	}
 
@@ -656,6 +673,14 @@ struct file_list *send_file_list(int f,int argc,char *argv[])
 		send_uid_list(f);
 	}
 
+	/* if protocol version is >= 17 then send the io_error flag */
+	if (f != -1 && remote_version >= 17) {
+		write_int(f, io_error);
+	}
+
+	if (verbose > 2)
+		fprintf(FINFO,"send_file_list done\n");
+
 	return flist;
 }
 
@@ -705,12 +730,12 @@ struct file_list *recv_file_list(int f)
     flist->count++;
 
     if (verbose > 2)
-      fprintf(FERROR,"recv_file_name(%s)\n",f_name(flist->files[i]));
+      fprintf(FINFO,"recv_file_name(%s)\n",f_name(flist->files[i]));
   }
 
 
   if (verbose > 2)
-    fprintf(FERROR,"received %d names\n",flist->count);
+    fprintf(FINFO,"received %d names\n",flist->count);
 
   clean_flist(flist);
 
@@ -723,6 +748,14 @@ struct file_list *recv_file_list(int f)
 	  recv_uid_list(f, flist);
   }
 
+  /* if protocol version is >= 17 then recv the io_error flag */
+  if (f != -1 && remote_version >= 17) {
+	  io_error |= read_int(f);
+  }
+
+  if (verbose > 2)
+    fprintf(FINFO,"recv_file_list done\n");
+
   return flist;
 
 oom:
@@ -816,7 +849,7 @@ void clean_flist(struct file_list *flist)
 		    strcmp(f_name(flist->files[i]),
 			   f_name(flist->files[i-1])) == 0) {
 			if (verbose > 1 && !am_server)
-				fprintf(FERROR,"removing duplicate name %s from file list %d\n",
+				fprintf(FINFO,"removing duplicate name %s from file list %d\n",
 					f_name(flist->files[i-1]),i-1);
 			free_file(flist->files[i]);
 		}