X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/728d09220143d6aa088cb080eb754af57aa62f3a..3e35c34b6b496763799153bff6d4b082628752a1:/generator.c

diff --git a/generator.c b/generator.c
index da532239..80533484 100644
--- a/generator.c
+++ b/generator.c
@@ -43,6 +43,16 @@ extern int protocol_version;
 extern int always_checksum;
 extern char *compare_dest;
 extern int link_dest;
+extern int whole_file;
+extern int local_server;
+extern int read_batch;
+extern int write_batch;
+extern int list_only;
+extern int only_existing;
+extern int orig_umask;
+extern int safe_symlinks;
+
+extern struct exclude_list_struct server_exclude_list;
 
 
 /* choose whether to skip a particular file */
@@ -53,7 +63,7 @@ static int skip_file(char *fname, struct file_struct *file, STRUCT_STAT *st)
 	}
 	if (link_dest) {
 		if (preserve_perms
-		    && (st->st_mode & ~_S_IFMT) != (file->mode & ~_S_IFMT))
+		    && (st->st_mode & CHMOD_BITS) != (file->mode & CHMOD_BITS))
 			return 0;
 
 		if (am_root && preserve_uid && st->st_uid != file->uid)
@@ -72,8 +82,8 @@ static int skip_file(char *fname, struct file_struct *file, STRUCT_STAT *st)
 
 		if (compare_dest != NULL) {
 			if (access(fname, 0) != 0) {
-				snprintf(fnamecmpdest,MAXPATHLEN,"%s/%s",
-					 compare_dest,fname);
+				pathjoin(fnamecmpdest, sizeof fnamecmpdest,
+					 compare_dest, fname);
 				fname = fnamecmpdest;
 			}
 		}
@@ -101,7 +111,7 @@ void write_sum_head(int f, struct sum_struct *sum)
 {
 	static struct sum_struct null_sum;
 
-	if (sum == (struct sum_struct *)NULL)
+	if (sum == NULL)
 		sum = &null_sum;
 
 	write_int(f, sum->count);
@@ -204,13 +214,9 @@ static void sum_sizes_sqroot(struct sum_struct *sum, uint64 len)
  * Whew. */
 static BOOL disable_deltas_p(void)
 {
-	extern int whole_file;
-	extern int local_server;
-	extern int write_batch;
-
 	if (whole_file > 0)
 		return True;
-	if (whole_file == 0 || write_batch)
+	if (whole_file == 0 || write_batch || read_batch)
 		return False;
 	return local_server;
 }
@@ -270,10 +276,6 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 	int statret;
 	char *fnamecmp;
 	char fnamecmpbuf[MAXPATHLEN];
-	extern char *compare_dest;
-	extern int list_only;
-	extern int only_existing;
-	extern int orig_umask;
 
 	if (list_only)
 		return;
@@ -281,11 +283,22 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 	if (verbose > 2)
 		rprintf(FINFO,"recv_generator(%s,%d)\n",fname,i);
 
+	if (server_exclude_list.head
+	    && check_exclude(&server_exclude_list, fname,
+			     S_ISDIR(file->mode)) < 0) {
+		if (verbose) {
+			rprintf(FINFO, "skipping server-excluded file \"%s\"\n",
+				fname);
+		}
+		return;
+	}
+
 	statret = link_stat(fname,&st);
 
 	if (only_existing && statret == -1 && errno == ENOENT) {
 		/* we only want to update existing files */
-		if (verbose > 1) rprintf(FINFO, "not creating new file \"%s\"\n",fname);
+		if (verbose > 1)
+			rprintf(FINFO, "not creating new file \"%s\"\n", fname);
 		return;
 	}
 
@@ -295,7 +308,8 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 		/* if the file exists already and we aren't perserving
 		 * permissions then act as though the remote end sent
 		 * us the file permissions we already have */
-		file->mode = (file->mode & _S_IFMT) | (st.st_mode & ~_S_IFMT);
+		file->mode = (file->mode & ~CHMOD_BITS)
+			   | (st.st_mode & CHMOD_BITS);
 	}
 
 	if (S_ISDIR(file->mode)) {
@@ -308,19 +322,20 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 		if (dry_run) return; /* XXXX -- might cause inaccuracies?? -- mbp */
 		if (statret == 0 && !S_ISDIR(st.st_mode)) {
 			if (robust_unlink(fname) != 0) {
-				rprintf(FERROR,
-					"recv_generator: unlink %s to make room for directory: %s\n",
-					full_fname(fname), strerror(errno));
+				rsyserr(FERROR, errno,
+					"recv_generator: unlink %s to make room for directory",
+					full_fname(fname));
 				return;
 			}
 			statret = -1;
 		}
 		if (statret != 0 && do_mkdir(fname,file->mode) != 0 && errno != EEXIST) {
-			if (!(relative_paths && errno==ENOENT &&
-			      create_directory_path(fname, orig_umask)==0 &&
-			      do_mkdir(fname,file->mode)==0)) {
-				rprintf(FERROR, "recv_generator: mkdir %s failed: %s\n",
-					full_fname(fname), strerror(errno));
+			if (!(relative_paths && errno == ENOENT
+			    && create_directory_path(fname, orig_umask) == 0
+			    && do_mkdir(fname, file->mode) == 0)) {
+				rsyserr(FERROR, errno,
+					"recv_generator: mkdir %s failed",
+					full_fname(fname));
 			}
 		}
 		/* f_out is set to -1 when doing final directory
@@ -334,7 +349,6 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 #if SUPPORT_LINKS
 		char lnk[MAXPATHLEN];
 		int l;
-		extern int safe_symlinks;
 
 		if (safe_symlinks && unsafe_symlink(file->u.link, fname)) {
 			if (verbose) {
@@ -351,7 +365,8 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 				 * right place -- no further action
 				 * required. */
 				if (strcmp(lnk,file->u.link) == 0) {
-					set_perms(fname,file,&st,1);
+					set_perms(fname, file, &st,
+						  PERMS_REPORT);
 					return;
 				}
 			}
@@ -361,8 +376,8 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 			delete_file(fname);
 		}
 		if (do_symlink(file->u.link,fname) != 0) {
-			rprintf(FERROR, "symlink %s -> \"%s\" failed: %s\n",
-				full_fname(fname), file->u.link, strerror(errno));
+			rsyserr(FERROR, errno, "symlink %s -> \"%s\" failed",
+				full_fname(fname), file->u.link);
 		} else {
 			set_perms(fname,file,NULL,0);
 			if (verbose) {
@@ -377,33 +392,29 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 	if (am_root && preserve_devices && IS_DEVICE(file->mode)) {
 		if (statret != 0 ||
 		    st.st_mode != file->mode ||
-		    (DEV64_T)st.st_rdev != file->u.rdev) {
+		    st.st_rdev != file->u.rdev) {
 			delete_file(fname);
-			if (verbose > 2)
+			if (verbose > 2) {
 				rprintf(FINFO,"mknod(%s,0%o,0x%x)\n",
 					fname,(int)file->mode,(int)file->u.rdev);
+			}
 			if (do_mknod(fname,file->mode,file->u.rdev) != 0) {
-				rprintf(FERROR, "mknod %s failed: %s\n",
-					full_fname(fname), strerror(errno));
+				rsyserr(FERROR, errno, "mknod %s failed",
+					full_fname(fname));
 			} else {
 				set_perms(fname,file,NULL,0);
 				if (verbose)
 					rprintf(FINFO,"%s\n",fname);
 			}
 		} else {
-			set_perms(fname,file,&st,1);
+			set_perms(fname, file, &st, PERMS_REPORT);
 		}
 		return;
 	}
 #endif
 
-	if (preserve_hard_links && check_hard_link(file)) {
-		if (verbose > 1) {
-			rprintf(FINFO, "recv_generator: \"%s\" is a hard link\n",
-				f_name(file));
-		}
+	if (preserve_hard_links && hard_link_check(file, HL_CHECK_MASTER))
 		return;
-	}
 
 	if (!S_ISREG(file->mode)) {
 		rprintf(FINFO, "skipping non-regular file \"%s\"\n",fname);
@@ -412,10 +423,10 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 
 	fnamecmp = fname;
 
-	if ((statret == -1) && (compare_dest != NULL)) {
+	if (statret == -1 && compare_dest != NULL) {
 		/* try the file at compare_dest instead */
 		int saveerrno = errno;
-		snprintf(fnamecmpbuf,MAXPATHLEN,"%s/%s",compare_dest,fname);
+		pathjoin(fnamecmpbuf, sizeof fnamecmpbuf, compare_dest, fname);
 		statret = link_stat(fnamecmpbuf,&st);
 		if (!S_ISREG(st.st_mode))
 			statret = -1;
@@ -425,9 +436,8 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 		else if (link_dest && !dry_run) {
 			if (do_link(fnamecmpbuf, fname) != 0) {
 				if (verbose > 0) {
-					rprintf(FINFO,"link %s => %s : %s\n",
-						fnamecmpbuf, fname,
-						strerror(errno));
+					rsyserr(FINFO, errno, "link %s => %s",
+						fnamecmpbuf, fname);
 				}
 			}
 			fnamecmp = fnamecmpbuf;
@@ -438,13 +448,15 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 	}
 
 	if (statret == -1) {
+		if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+			return;
 		if (errno == ENOENT) {
 			write_int(f_out,i);
 			if (!dry_run) write_sum_head(f_out, NULL);
 		} else if (verbose > 1) {
-			rprintf(FERROR,
-				"recv_generator: failed to open %s: %s\n",
-				full_fname(fname), strerror(errno));
+			rsyserr(FERROR, errno,
+				"recv_generator: failed to open %s",
+				full_fname(fname));
 		}
 		return;
 	}
@@ -455,6 +467,8 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 		}
 
 		/* now pretend the file didn't exist */
+		if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+			return;
 		write_int(f_out,i);
 		if (!dry_run) write_sum_head(f_out, NULL);
 		return;
@@ -474,7 +488,7 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 
 	if (skip_file(fname, file, &st)) {
 		if (fnamecmp == fname)
-			set_perms(fname,file,&st,1);
+			set_perms(fname, file, &st, PERMS_REPORT);
 		return;
 	}
 
@@ -493,9 +507,11 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 	fd = do_open(fnamecmp, O_RDONLY, 0);
 
 	if (fd == -1) {
-		rprintf(FERROR, "failed to open %s, continuing: %s\n",
-			full_fname(fnamecmp), strerror(errno));
+		rsyserr(FERROR, errno, "failed to open %s, continuing",
+			full_fname(fnamecmp));
 		/* pretend the file didn't exist */
+		if (preserve_hard_links && hard_link_check(file, HL_SKIP))
+			return;
 		write_int(f_out,i);
 		write_sum_head(f_out, NULL);
 		return;
@@ -522,15 +538,16 @@ void recv_generator(char *fname, struct file_struct *file, int i, int f_out)
 }
 
 
-void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
+void generate_files(int f, struct file_list *flist, char *local_name)
 {
 	int i;
 	int phase=0;
 	char fbuf[MAXPATHLEN];
 
-	if (verbose > 2)
-		rprintf(FINFO,"generator starting pid=%d count=%d\n",
-			(int)getpid(),flist->count);
+	if (verbose > 2) {
+		rprintf(FINFO, "generator starting pid=%ld count=%d\n",
+			(long)getpid(), flist->count);
+	}
 
 	if (verbose >= 2) {
 		rprintf(FINFO,
@@ -561,8 +578,8 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
 			file = &copy;
 		}
 
-		recv_generator(local_name? local_name
-			     : f_name_to(file,fbuf,sizeof fbuf), file, i, f);
+		recv_generator(local_name ? local_name : f_name_to(file, fbuf),
+			       file, i, f);
 	}
 
 	phase++;
@@ -576,10 +593,10 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
 
 	/* files can cycle through the system more than once
 	 * to catch initial checksum errors */
-	while ((i = read_int(f_recv)) != -1) {
+	while ((i = get_redo_num()) != -1) {
 		struct file_struct *file = flist->files[i];
-		recv_generator(local_name? local_name
-			     : f_name_to(file,fbuf,sizeof fbuf), file, i, f);
+		recv_generator(local_name ? local_name : f_name_to(file, fbuf),
+			       file, i, f);
 	}
 
 	phase++;
@@ -587,4 +604,19 @@ void generate_files(int f,struct file_list *flist,char *local_name,int f_recv)
 		rprintf(FINFO,"generate_files phase=%d\n",phase);
 
 	write_int(f,-1);
+
+	if (preserve_hard_links)
+		do_hard_links();
+
+	/* now we need to fix any directory permissions that were
+	 * modified during the transfer */
+	for (i = 0; i < flist->count; i++) {
+		struct file_struct *file = flist->files[i];
+		if (!file->basename || !S_ISDIR(file->mode)) continue;
+		recv_generator(local_name ? local_name : f_name(file),
+			       file, i, -1);
+	}
+
+	if (verbose > 2)
+		rprintf(FINFO,"generate_files finished\n");
 }