| 1 | /* -*- c-file-style: "linux" -*- |
| 2 | |
| 3 | Weiss 1/1999 |
| 4 | Batch utilities for rsync. |
| 5 | |
| 6 | */ |
| 7 | |
| 8 | #include "rsync.h" |
| 9 | #include <time.h> |
| 10 | |
| 11 | extern char *batch_prefix; |
| 12 | extern int csum_length; |
| 13 | extern int protocol_version; |
| 14 | extern struct stats stats; |
| 15 | |
| 16 | struct file_list *batch_flist; |
| 17 | |
| 18 | static char rsync_flist_file[] = ".rsync_flist"; |
| 19 | static char rsync_csums_file[] = ".rsync_csums"; |
| 20 | static char rsync_delta_file[] = ".rsync_delta"; |
| 21 | static char rsync_argvs_file[] = ".rsync_argvs"; |
| 22 | |
| 23 | static int f_csums = -1; |
| 24 | static int f_delta = -1; |
| 25 | |
| 26 | void write_batch_flist_info(int flist_count, struct file_struct **files) |
| 27 | { |
| 28 | char filename[MAXPATHLEN]; |
| 29 | int i, f, save_pv; |
| 30 | int64 save_written; |
| 31 | |
| 32 | stringjoin(filename, sizeof filename, |
| 33 | batch_prefix, rsync_flist_file, NULL); |
| 34 | |
| 35 | f = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC, S_IRUSR | S_IWUSR); |
| 36 | if (f < 0) { |
| 37 | rsyserr(FERROR, errno, "Batch file %s open error", filename); |
| 38 | exit_cleanup(1); |
| 39 | } |
| 40 | |
| 41 | save_written = stats.total_written; |
| 42 | save_pv = protocol_version; |
| 43 | protocol_version = PROTOCOL_VERSION; |
| 44 | write_int(f, protocol_version); |
| 45 | write_int(f, flist_count); |
| 46 | |
| 47 | for (i = 0; i < flist_count; i++) { |
| 48 | send_file_entry(files[i], f, |
| 49 | files[i]->flags & FLAG_TOP_DIR ? XMIT_TOP_DIR : 0); |
| 50 | } |
| 51 | send_file_entry(NULL, f, 0); |
| 52 | |
| 53 | protocol_version = save_pv; |
| 54 | stats.total_written = save_written; |
| 55 | |
| 56 | close(f); |
| 57 | } |
| 58 | |
| 59 | |
| 60 | void write_batch_argvs_file(int argc, char *argv[]) |
| 61 | { |
| 62 | int f; |
| 63 | int i; |
| 64 | char buff[256]; /* XXX */ |
| 65 | char buff2[MAXPATHLEN + 6]; |
| 66 | char filename[MAXPATHLEN]; |
| 67 | |
| 68 | stringjoin(filename, sizeof filename, |
| 69 | batch_prefix, rsync_argvs_file, NULL); |
| 70 | |
| 71 | f = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC, |
| 72 | S_IRUSR | S_IWUSR | S_IEXEC); |
| 73 | if (f < 0) { |
| 74 | rsyserr(FERROR, errno, "Batch file %s open error", filename); |
| 75 | exit_cleanup(1); |
| 76 | } |
| 77 | buff[0] = '\0'; |
| 78 | |
| 79 | /* Write argvs info to batch file */ |
| 80 | |
| 81 | for (i = 0; i < argc; ++i) { |
| 82 | if (i == argc - 2) /* Skip source directory on cmdline */ |
| 83 | continue; |
| 84 | /* |
| 85 | * FIXME: |
| 86 | * I think directly manipulating argv[] is probably bogus |
| 87 | */ |
| 88 | if (!strncmp(argv[i], "--write-batch", |
| 89 | strlen("--write-batch"))) { |
| 90 | /* Safer to change it here than script */ |
| 91 | /* |
| 92 | * Change to --read-batch=prefix |
| 93 | * to get ready for remote |
| 94 | */ |
| 95 | strlcat(buff, "--read-batch=", sizeof buff); |
| 96 | strlcat(buff, batch_prefix, sizeof buff); |
| 97 | } else |
| 98 | if (i == argc - 1) { |
| 99 | snprintf(buff2, sizeof buff2, "${1:-%s}", argv[i]); |
| 100 | strlcat(buff, buff2, sizeof buff); |
| 101 | } |
| 102 | else { |
| 103 | strlcat(buff, argv[i], sizeof buff); |
| 104 | } |
| 105 | |
| 106 | if (i < (argc - 1)) { |
| 107 | strlcat(buff, " ", sizeof buff); |
| 108 | } |
| 109 | } |
| 110 | strlcat(buff, "\n", sizeof buff); |
| 111 | if (!write(f, buff, strlen(buff))) { |
| 112 | rsyserr(FERROR, errno, "Batch file %s write error", filename); |
| 113 | close(f); |
| 114 | exit_cleanup(1); |
| 115 | } |
| 116 | close(f); |
| 117 | } |
| 118 | |
| 119 | struct file_list *create_flist_from_batch(void) |
| 120 | { |
| 121 | char filename[MAXPATHLEN]; |
| 122 | unsigned short flags; |
| 123 | int i, f, save_pv; |
| 124 | int64 save_read; |
| 125 | |
| 126 | stringjoin(filename, sizeof filename, |
| 127 | batch_prefix, rsync_flist_file, NULL); |
| 128 | |
| 129 | f = do_open(filename, O_RDONLY, 0); |
| 130 | if (f < 0) { |
| 131 | rsyserr(FERROR, errno, "Batch file %s open error", filename); |
| 132 | exit_cleanup(1); |
| 133 | } |
| 134 | |
| 135 | batch_flist = flist_new(WITH_HLINK, "create_flist_from_batch"); |
| 136 | |
| 137 | save_read = stats.total_read; |
| 138 | save_pv = protocol_version; |
| 139 | protocol_version = read_int(f); |
| 140 | |
| 141 | batch_flist->count = read_int(f); |
| 142 | flist_expand(batch_flist); |
| 143 | |
| 144 | for (i = 0; (flags = read_byte(f)) != 0; i++) { |
| 145 | if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS)) |
| 146 | flags |= read_byte(f) << 8; |
| 147 | receive_file_entry(&batch_flist->files[i], flags, batch_flist, f); |
| 148 | } |
| 149 | receive_file_entry(NULL, 0, NULL, 0); /* Signal that we're done. */ |
| 150 | |
| 151 | protocol_version = save_pv; |
| 152 | stats.total_read = save_read; |
| 153 | |
| 154 | return batch_flist; |
| 155 | } |
| 156 | |
| 157 | void write_batch_csums_file(void *buff, int bytes_to_write) |
| 158 | { |
| 159 | if (write(f_csums, buff, bytes_to_write) < 0) { |
| 160 | rsyserr(FERROR, errno, "Batch file write error"); |
| 161 | close(f_csums); |
| 162 | exit_cleanup(1); |
| 163 | } |
| 164 | } |
| 165 | |
| 166 | void close_batch_csums_file(void) |
| 167 | { |
| 168 | close(f_csums); |
| 169 | f_csums = -1; |
| 170 | } |
| 171 | |
| 172 | |
| 173 | /** |
| 174 | * Write csum info to batch file |
| 175 | * |
| 176 | * @todo This will break if s->count is ever larger than maxint. The |
| 177 | * batch code should probably be changed to consistently use the |
| 178 | * variable-length integer routines, which is probably a compatible |
| 179 | * change. |
| 180 | **/ |
| 181 | void write_batch_csum_info(int *flist_entry, struct sum_struct *s) |
| 182 | { |
| 183 | size_t i; |
| 184 | int int_count; |
| 185 | char filename[MAXPATHLEN]; |
| 186 | |
| 187 | if (f_csums < 0) { |
| 188 | stringjoin(filename, sizeof filename, |
| 189 | batch_prefix, rsync_csums_file, NULL); |
| 190 | |
| 191 | f_csums = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC, |
| 192 | S_IRUSR | S_IWUSR); |
| 193 | if (f_csums < 0) { |
| 194 | rsyserr(FERROR, errno, "Batch file %s open error", |
| 195 | filename); |
| 196 | close(f_csums); |
| 197 | exit_cleanup(1); |
| 198 | } |
| 199 | } |
| 200 | |
| 201 | write_batch_csums_file(flist_entry, sizeof (int)); |
| 202 | int_count = s ? (int) s->count : 0; |
| 203 | write_batch_csums_file(&int_count, sizeof int_count); |
| 204 | |
| 205 | if (s) { |
| 206 | for (i = 0; i < s->count; i++) { |
| 207 | write_batch_csums_file(&s->sums[i].sum1, |
| 208 | sizeof (uint32)); |
| 209 | write_batch_csums_file(s->sums[i].sum2, csum_length); |
| 210 | } |
| 211 | } |
| 212 | } |
| 213 | |
| 214 | int read_batch_csums_file(char *buff, int len) |
| 215 | { |
| 216 | int bytes_read; |
| 217 | |
| 218 | if ((bytes_read = read(f_csums, buff, len)) < 0) { |
| 219 | rsyserr(FERROR, errno, "Batch file read error"); |
| 220 | close(f_csums); |
| 221 | exit_cleanup(1); |
| 222 | } |
| 223 | return bytes_read; |
| 224 | } |
| 225 | |
| 226 | void read_batch_csum_info(int flist_entry, struct sum_struct *s, |
| 227 | int *checksums_match) |
| 228 | { |
| 229 | int i; |
| 230 | int file_flist_entry; |
| 231 | int file_chunk_ct; |
| 232 | uint32 file_sum1; |
| 233 | char file_sum2[SUM_LENGTH]; |
| 234 | char filename[MAXPATHLEN]; |
| 235 | |
| 236 | if (f_csums < 0) { |
| 237 | stringjoin(filename, sizeof filename, |
| 238 | batch_prefix, rsync_csums_file, NULL); |
| 239 | |
| 240 | f_csums = do_open(filename, O_RDONLY, 0); |
| 241 | if (f_csums < 0) { |
| 242 | rsyserr(FERROR, errno, "Batch file %s open error", |
| 243 | filename); |
| 244 | close(f_csums); |
| 245 | exit_cleanup(1); |
| 246 | } |
| 247 | } |
| 248 | |
| 249 | read_batch_csums_file((char *) &file_flist_entry, sizeof (int)); |
| 250 | if (file_flist_entry != flist_entry) { |
| 251 | rprintf(FINFO, "file_flist_entry (%d) != flist_entry (%d)\n", |
| 252 | file_flist_entry, flist_entry); |
| 253 | close(f_csums); |
| 254 | exit_cleanup(1); |
| 255 | |
| 256 | } else { |
| 257 | read_batch_csums_file((char *) &file_chunk_ct, sizeof (int)); |
| 258 | *checksums_match = 1; |
| 259 | for (i = 0; i < file_chunk_ct; i++) { |
| 260 | read_batch_csums_file((char *) &file_sum1, |
| 261 | sizeof (uint32)); |
| 262 | read_batch_csums_file(file_sum2, csum_length); |
| 263 | |
| 264 | if ((s->sums[i].sum1 != file_sum1) |
| 265 | || memcmp(s->sums[i].sum2, file_sum2, csum_length)) |
| 266 | *checksums_match = 0; |
| 267 | } /* end for */ |
| 268 | } |
| 269 | } |
| 270 | |
| 271 | void write_batch_delta_file(char *buff, int bytes_to_write) |
| 272 | { |
| 273 | char filename[MAXPATHLEN]; |
| 274 | |
| 275 | if (f_delta < 0) { |
| 276 | stringjoin(filename, sizeof filename, |
| 277 | batch_prefix, rsync_delta_file, NULL); |
| 278 | |
| 279 | f_delta = do_open(filename, O_WRONLY | O_CREAT | O_TRUNC, |
| 280 | S_IRUSR | S_IWUSR); |
| 281 | if (f_delta < 0) { |
| 282 | rsyserr(FERROR, errno, "Batch file %s open error", |
| 283 | filename); |
| 284 | exit_cleanup(1); |
| 285 | } |
| 286 | } |
| 287 | |
| 288 | if (write(f_delta, buff, bytes_to_write) < 0) { |
| 289 | rsyserr(FERROR, errno, "Batch file %s write error", filename); |
| 290 | close(f_delta); |
| 291 | exit_cleanup(1); |
| 292 | } |
| 293 | } |
| 294 | |
| 295 | void close_batch_delta_file(void) |
| 296 | { |
| 297 | close(f_delta); |
| 298 | f_delta = -1; |
| 299 | } |
| 300 | |
| 301 | int read_batch_delta_file(char *buff, int len) |
| 302 | { |
| 303 | int bytes_read; |
| 304 | char filename[MAXPATHLEN]; |
| 305 | |
| 306 | if (f_delta < 0) { |
| 307 | stringjoin(filename, sizeof filename, |
| 308 | batch_prefix, rsync_delta_file, NULL); |
| 309 | |
| 310 | f_delta = do_open(filename, O_RDONLY, 0); |
| 311 | if (f_delta < 0) { |
| 312 | rsyserr(FERROR, errno, "Batch file %s open error", |
| 313 | filename); |
| 314 | close(f_delta); |
| 315 | exit_cleanup(1); |
| 316 | } |
| 317 | } |
| 318 | |
| 319 | bytes_read = read(f_delta, buff, len); |
| 320 | if (bytes_read < 0) { |
| 321 | rsyserr(FERROR, errno, "Batch file %s read error", filename); |
| 322 | close(f_delta); |
| 323 | exit_cleanup(1); |
| 324 | } |
| 325 | |
| 326 | return bytes_read; |
| 327 | } |
| 328 | |
| 329 | void show_flist(int index, struct file_struct **fptr) |
| 330 | { |
| 331 | /* for debugging show_flist(flist->count, flist->files * */ |
| 332 | |
| 333 | int i; |
| 334 | for (i = 0; i < index; i++) { |
| 335 | rprintf(FINFO, "flist->flags=%#x\n", fptr[i]->flags); |
| 336 | rprintf(FINFO, "flist->modtime=%#lx\n", |
| 337 | (long unsigned) fptr[i]->modtime); |
| 338 | rprintf(FINFO, "flist->length=%.0f\n", |
| 339 | (double) fptr[i]->length); |
| 340 | rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode); |
| 341 | rprintf(FINFO, "flist->basename=%s\n", fptr[i]->basename); |
| 342 | if (fptr[i]->dirname) |
| 343 | rprintf(FINFO, "flist->dirname=%s\n", |
| 344 | fptr[i]->dirname); |
| 345 | if (fptr[i]->basedir) |
| 346 | rprintf(FINFO, "flist->basedir=%s\n", |
| 347 | fptr[i]->basedir); |
| 348 | } |
| 349 | } |
| 350 | |
| 351 | void show_argvs(int argc, char *argv[]) |
| 352 | { |
| 353 | /* for debugging * */ |
| 354 | |
| 355 | int i; |
| 356 | rprintf(FINFO, "BATCH.C:show_argvs,argc=%d\n", argc); |
| 357 | for (i = 0; i < argc; i++) { |
| 358 | /* if (argv[i]) */ |
| 359 | rprintf(FINFO, "i=%d,argv[i]=%s\n", i, argv[i]); |
| 360 | |
| 361 | } |
| 362 | } |