2 * Support for the batch-file options.
4 * Copyright (C) 1999 Weiss
5 * Copyright (C) 2004 Chris Shoemaker
6 * Copyright (C) 2004-2007 Wayne Davison
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 3 of the License, or
11 * (at your option) any later version.
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
18 * You should have received a copy of the GNU General Public License along
19 * with this program; if not, visit the http://fsf.org website.
23 #include "zlib/zlib.h"
29 extern int preserve_links;
30 extern int preserve_hard_links;
31 extern int preserve_devices;
32 extern int preserve_uid;
33 extern int preserve_gid;
34 extern int preserve_acls;
35 extern int preserve_xattrs;
36 extern int always_checksum;
37 extern int do_compression;
38 extern int def_compress_level;
40 extern int append_mode;
41 extern int protocol_version;
42 extern char *batch_name;
44 extern char *iconv_opt;
47 extern struct filter_list_struct filter_list;
49 static int tweaked_compress_level;
50 static int tweaked_append;
51 static int tweaked_append_verify;
52 static int tweaked_iconv;
54 static int *flag_ptr[] = {
56 &preserve_uid, /* 1 */
57 &preserve_gid, /* 2 */
58 &preserve_links, /* 3 */
59 &preserve_devices, /* 4 */
60 &preserve_hard_links, /* 5 */
61 &always_checksum, /* 6 */
62 &xfer_dirs, /* 7 (protocol 29) */
63 &tweaked_compress_level,/* 8 (protocol 29) */
64 &tweaked_iconv, /* 9 (protocol 30) */
65 &preserve_acls, /* 10 (protocol 30) */
66 &preserve_xattrs, /* 11 (protocol 30) */
67 &inplace, /* 12 (protocol 30) */
68 &tweaked_append, /* 13 (protocol 30) */
69 &tweaked_append_verify, /* 14 (protocol 30) */
73 static char *flag_name[] = {
92 void write_stream_flags(int fd)
96 #if Z_DEFAULT_COMPRESSION == -1
97 tweaked_compress_level = do_compression ? def_compress_level + 2 : 0;
99 #error internal logic error! Fix def_compress_level logic above and below too!
101 tweaked_append = append_mode == 1;
102 tweaked_append_verify = append_mode == 2;
104 tweaked_iconv = iconv_opt != NULL;
107 /* Start the batch file with a bitmap of data-stream-affecting
109 if (protocol_version < 29)
111 else if (protocol_version < 30)
113 for (i = 0, flags = 0; flag_ptr[i]; i++) {
117 write_int(fd, flags);
120 void read_stream_flags(int fd)
124 if (protocol_version < 29)
126 else if (protocol_version < 30)
128 tweaked_append = append_mode == 1;
129 tweaked_append_verify = append_mode == 2;
131 tweaked_iconv = iconv_opt != NULL;
133 for (i = 0, flags = read_int(fd); flag_ptr[i]; i++) {
134 int set = flags & (1 << i) ? 1 : 0;
135 if (*flag_ptr[i] != set) {
138 "%s specify the --iconv option to use this batch file.\n",
139 set ? "Please" : "Do not");
140 exit_cleanup(RERR_SYNTAX);
144 "%sing the %s option to match the batchfile.\n",
145 set ? "Sett" : "Clear", flag_name[i]);
150 if (protocol_version < 29) {
153 else if (xfer_dirs < 2)
157 if (tweaked_compress_level == 0 || tweaked_compress_level == 2)
161 def_compress_level = tweaked_compress_level - 2;
165 else if (tweaked_append_verify)
169 static void write_arg(int fd, char *arg)
173 if (*arg == '-' && (x = strchr(arg, '=')) != NULL) {
174 write(fd, arg, x - arg + 1);
178 if (strpbrk(arg, " \"'&;|[]()$#!*?^\\") != NULL) {
180 for (s = arg; (x = strchr(s, '\'')) != NULL; s = x + 1) {
181 write(fd, s, x - s + 1);
184 write(fd, s, strlen(s));
189 write(fd, arg, strlen(arg));
192 static void write_filter_rules(int fd)
194 struct filter_struct *ent;
196 write_sbuf(fd, " <<'#E#'\n");
197 for (ent = filter_list.head; ent; ent = ent->next) {
199 char *p = get_rule_prefix(ent->match_flags, "- ", 0, &plen);
200 write_buf(fd, p, plen);
201 write_sbuf(fd, ent->pattern);
202 if (ent->match_flags & MATCHFLG_DIRECTORY)
204 write_byte(fd, eol_nulls ? 0 : '\n');
207 write_sbuf(fd, ";\n");
208 write_sbuf(fd, "#E#");
211 /* This routine tries to write out an equivalent --read-batch command
212 * given the user's --write-batch args. However, it doesn't really
213 * understand most of the options, so it uses some overly simple
214 * heuristics to munge the command line into something that will
215 * (hopefully) work. */
216 void write_batch_shell_file(int argc, char *argv[], int file_arg_cnt)
219 char *p, filename[MAXPATHLEN];
221 stringjoin(filename, sizeof filename,
222 batch_name, ".sh", NULL);
223 fd = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC,
224 S_IRUSR | S_IWUSR | S_IEXEC);
226 rsyserr(FERROR, errno, "Batch file %s open error",
228 exit_cleanup(RERR_FILESELECT);
231 /* Write argvs info to BATCH.sh file */
232 write_arg(fd, argv[0]);
233 if (filter_list.head) {
234 if (protocol_version >= 29)
235 write_sbuf(fd, " --filter=._-");
237 write_sbuf(fd, " --exclude-from=-");
239 for (i = 1; i < argc - file_arg_cnt; i++) {
241 if (strncmp(p, "--files-from", 12) == 0
242 || strncmp(p, "--filter", 8) == 0
243 || strncmp(p, "--include", 9) == 0
244 || strncmp(p, "--exclude", 9) == 0) {
245 if (strchr(p, '=') == NULL)
249 if (strcmp(p, "-f") == 0) {
254 if (strncmp(p, "--write-batch", len = 13) == 0
255 || strncmp(p, "--only-write-batch", len = 18) == 0) {
256 write(fd, "--read-batch", 12);
259 write_arg(fd, p + len + 1);
264 if (!(p = check_for_hostspec(argv[argc - 1], &p, &i)))
266 write(fd, " ${1:-", 6);
269 if (filter_list.head)
270 write_filter_rules(fd);
271 if (write(fd, "\n", 1) != 1 || close(fd) < 0) {
272 rsyserr(FERROR, errno, "Batch file %s write error",
274 exit_cleanup(RERR_FILEIO);