| 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 | char rsync_flist_file[27] = "rsync_flist."; |
| 12 | char rsync_csums_file[27] = "rsync_csums."; |
| 13 | char rsync_delta_file[27] = "rsync_delta."; |
| 14 | char rsync_argvs_file[27] = "rsync_argvs."; |
| 15 | |
| 16 | char batch_file_ext[15]; |
| 17 | |
| 18 | int fdb; |
| 19 | int fdb_delta; |
| 20 | int fdb_open; |
| 21 | int fdb_close; |
| 22 | |
| 23 | struct file_list *batch_flist; |
| 24 | |
| 25 | void create_batch_file_ext() |
| 26 | { |
| 27 | struct tm *timeptr; |
| 28 | time_t elapsed_seconds; |
| 29 | |
| 30 | /* Save run date and time to use for batch file extensions */ |
| 31 | time(&elapsed_seconds); |
| 32 | timeptr = localtime(&elapsed_seconds); |
| 33 | |
| 34 | sprintf(batch_file_ext, "%4d%02d%02d%02d%02d%02d", |
| 35 | timeptr->tm_year+1900, timeptr->tm_mon+1, timeptr->tm_mday, |
| 36 | timeptr->tm_hour, timeptr->tm_min, timeptr->tm_sec); |
| 37 | } |
| 38 | |
| 39 | void set_batch_file_ext(char *ext) |
| 40 | { |
| 41 | strcpy(batch_file_ext, ext); |
| 42 | } |
| 43 | |
| 44 | void write_batch_flist_file(char *buff, int bytes_to_write) |
| 45 | { |
| 46 | |
| 47 | if (fdb_open) { |
| 48 | /* Set up file extension */ |
| 49 | strcat(rsync_flist_file, batch_file_ext); |
| 50 | |
| 51 | /* Open batch flist file for writing; create it if it doesn't exist */ |
| 52 | fdb = do_open(rsync_flist_file, O_WRONLY|O_CREAT|O_TRUNC, |
| 53 | S_IREAD|S_IWRITE); |
| 54 | if (fdb == -1) { |
| 55 | rprintf(FERROR, "Batch file %s open error: %s\n", |
| 56 | rsync_flist_file, strerror(errno)); |
| 57 | close(fdb); |
| 58 | exit_cleanup(1); |
| 59 | } |
| 60 | fdb_open = 0; |
| 61 | } |
| 62 | |
| 63 | /* Write buffer to batch flist file */ |
| 64 | |
| 65 | if ( write(fdb, buff, bytes_to_write) == -1 ) { |
| 66 | rprintf(FERROR, "Batch file %s write error: %s\n", |
| 67 | rsync_flist_file, strerror(errno)); |
| 68 | close(fdb); |
| 69 | exit_cleanup(1); |
| 70 | } |
| 71 | |
| 72 | |
| 73 | if (fdb_close) { |
| 74 | close(fdb); |
| 75 | } |
| 76 | } |
| 77 | |
| 78 | void write_batch_flist_info(int flist_count, struct file_struct **fptr) |
| 79 | { |
| 80 | int i; |
| 81 | int bytes_to_write; |
| 82 | |
| 83 | /* Write flist info to batch file */ |
| 84 | |
| 85 | bytes_to_write = sizeof(unsigned) + |
| 86 | sizeof(time_t) + |
| 87 | sizeof(OFF_T) + |
| 88 | sizeof(mode_t) + |
| 89 | sizeof(INO_T) + |
| 90 | (2 * sizeof(dev_t)) + |
| 91 | sizeof(uid_t) + |
| 92 | sizeof(gid_t); |
| 93 | |
| 94 | fdb_open = 1; |
| 95 | fdb_close = 0; |
| 96 | |
| 97 | for (i=0; i<flist_count; i++) { |
| 98 | write_batch_flist_file( (char *) fptr[i], bytes_to_write); |
| 99 | write_char_bufs(fptr[i]->basename); |
| 100 | write_char_bufs(fptr[i]->dirname); |
| 101 | write_char_bufs(fptr[i]->basedir); |
| 102 | write_char_bufs(fptr[i]->link); |
| 103 | if (i==flist_count - 1) { |
| 104 | fdb_close = 1; |
| 105 | } |
| 106 | write_char_bufs(fptr[i]->sum); |
| 107 | } |
| 108 | |
| 109 | } |
| 110 | |
| 111 | void write_char_bufs(char *buf) |
| 112 | { |
| 113 | /* Write the size of the string which will follow */ |
| 114 | |
| 115 | char b[4]; |
| 116 | if (buf != NULL) |
| 117 | SIVAL(b,0,strlen(buf)); |
| 118 | else { |
| 119 | SIVAL(b,0,0); |
| 120 | } |
| 121 | |
| 122 | write_batch_flist_file(b, sizeof(int)); |
| 123 | |
| 124 | /* Write the string if there is one */ |
| 125 | |
| 126 | if (buf != NULL) { |
| 127 | write_batch_flist_file(buf, strlen(buf)); |
| 128 | } |
| 129 | } |
| 130 | |
| 131 | void write_batch_argvs_file(int orig_argc, int argc, char **argv) |
| 132 | { |
| 133 | int fdb; |
| 134 | int i; |
| 135 | char buff[256]; |
| 136 | |
| 137 | strcat(rsync_argvs_file, batch_file_ext); |
| 138 | |
| 139 | |
| 140 | /* Open batch argvs file for writing; create it if it doesn't exist */ |
| 141 | fdb = do_open(rsync_argvs_file, O_WRONLY|O_CREAT|O_TRUNC, |
| 142 | S_IREAD|S_IWRITE|S_IEXEC); |
| 143 | if (fdb == -1) { |
| 144 | rprintf(FERROR, "Batch file %s open error: %s\n", rsync_argvs_file, |
| 145 | strerror(errno)); |
| 146 | close(fdb); |
| 147 | exit_cleanup(1); |
| 148 | } |
| 149 | buff[0] = '\0'; |
| 150 | /* Write argvs info to batch file */ |
| 151 | |
| 152 | for (i=argc - orig_argc;i<argc;i++) { |
| 153 | if ( !strcmp(argv[i],"-F") ){ /* safer to change it here than script*/ |
| 154 | strncat(buff,"-f ",3); /* chg to -f + ext to get ready for remote */ |
| 155 | strncat(buff,batch_file_ext,strlen(batch_file_ext)); |
| 156 | } |
| 157 | else { |
| 158 | strncat(buff,argv[i],strlen(argv[i])); |
| 159 | } |
| 160 | |
| 161 | if (i < (argc - 1)) { |
| 162 | strncat(buff," ",1); |
| 163 | } |
| 164 | } |
| 165 | if (!write(fdb, buff, strlen(buff))) { |
| 166 | rprintf(FERROR, "Batch file %s write error: %s\n", |
| 167 | rsync_argvs_file, strerror(errno)); |
| 168 | close(fdb); |
| 169 | exit_cleanup(1); |
| 170 | } |
| 171 | close(fdb); |
| 172 | } |
| 173 | |
| 174 | struct file_list *create_flist_from_batch() |
| 175 | { |
| 176 | unsigned char flags; |
| 177 | |
| 178 | fdb_open = 1; |
| 179 | fdb_close = 0; |
| 180 | |
| 181 | batch_flist = (struct file_list *)malloc(sizeof(batch_flist[0])); |
| 182 | if (!batch_flist) { |
| 183 | out_of_memory("create_flist_from_batch"); |
| 184 | } |
| 185 | batch_flist->count=0; |
| 186 | batch_flist->malloced=1000; |
| 187 | batch_flist->files = (struct file_struct **)malloc(sizeof(batch_flist->files[0])* batch_flist->malloced); |
| 188 | if (!batch_flist->files) { |
| 189 | out_of_memory("create_flist_from_batch"); /* dw -- will exit */ |
| 190 | } |
| 191 | |
| 192 | for ( flags=read_batch_flags() ; flags; flags=read_batch_flags() ) { |
| 193 | |
| 194 | int i = batch_flist->count; |
| 195 | |
| 196 | if (i >= batch_flist->malloced) { |
| 197 | if (batch_flist->malloced < 1000) |
| 198 | batch_flist->malloced += 1000; |
| 199 | else |
| 200 | batch_flist->malloced *= 2; |
| 201 | batch_flist->files =(struct file_struct **)realloc(batch_flist->files, |
| 202 | sizeof(batch_flist->files[0])* |
| 203 | batch_flist->malloced); |
| 204 | if (!batch_flist->files) |
| 205 | out_of_memory("create_flist_from_batch"); |
| 206 | } |
| 207 | read_batch_flist_info(&batch_flist->files[i]); |
| 208 | batch_flist->files[i]->flags = flags; |
| 209 | |
| 210 | batch_flist->count++; |
| 211 | } |
| 212 | |
| 213 | return batch_flist; |
| 214 | |
| 215 | } |
| 216 | |
| 217 | int read_batch_flist_file(char *buff, int len) |
| 218 | { |
| 219 | int bytes_read; |
| 220 | |
| 221 | if (fdb_open) { |
| 222 | |
| 223 | /* Set up file extension */ |
| 224 | strcat(rsync_flist_file, batch_file_ext); |
| 225 | |
| 226 | /* Open batch flist file for reading */ |
| 227 | fdb = do_open(rsync_flist_file, O_RDONLY, 0); |
| 228 | if (fdb == -1) { |
| 229 | rprintf(FERROR, "Batch file %s open error: %s\n", rsync_flist_file, |
| 230 | strerror(errno)); |
| 231 | close(fdb); |
| 232 | exit_cleanup(1); |
| 233 | } |
| 234 | fdb_open = 0; |
| 235 | } |
| 236 | |
| 237 | /* Read flist batch file */ |
| 238 | |
| 239 | bytes_read = read(fdb, buff, len); |
| 240 | |
| 241 | if (bytes_read == -1) { |
| 242 | rprintf(FERROR, "Batch file %s read error: %s\n", |
| 243 | rsync_flist_file, strerror(errno)); |
| 244 | close(fdb); |
| 245 | exit_cleanup(1); |
| 246 | } |
| 247 | if (bytes_read == 0) { /* EOF */ |
| 248 | close(fdb); |
| 249 | } |
| 250 | return bytes_read; |
| 251 | } |
| 252 | |
| 253 | unsigned char read_batch_flags() |
| 254 | { |
| 255 | int flags; |
| 256 | |
| 257 | if (read_batch_flist_file((char *)&flags, 4) ) { |
| 258 | return 1; |
| 259 | } |
| 260 | else { |
| 261 | return 0; |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | void read_batch_flist_info(struct file_struct **fptr) |
| 266 | { |
| 267 | int int_str_len; |
| 268 | char char_str_len[4]; |
| 269 | char buff[256]; |
| 270 | struct file_struct *file; |
| 271 | |
| 272 | file = (struct file_struct *)malloc(sizeof(*file)); |
| 273 | if (!file) out_of_memory("read_batch_flist_info"); |
| 274 | memset((char *)file, 0, sizeof(*file)); |
| 275 | |
| 276 | (*fptr) = file; |
| 277 | |
| 278 | read_batch_flist_file((char *)&file->modtime, sizeof(time_t)); |
| 279 | read_batch_flist_file((char *)&file->length, sizeof(OFF_T)); |
| 280 | read_batch_flist_file((char *)&file->mode, sizeof(mode_t)); |
| 281 | read_batch_flist_file((char *)&file->inode, sizeof(INO_T)); |
| 282 | read_batch_flist_file((char *)&file->dev, sizeof(dev_t)); |
| 283 | read_batch_flist_file((char *)&file->rdev, sizeof(dev_t)); |
| 284 | read_batch_flist_file((char *)&file->uid, sizeof(uid_t)); |
| 285 | read_batch_flist_file((char *)&file->gid, sizeof(gid_t)); |
| 286 | read_batch_flist_file(char_str_len, sizeof(char_str_len)); |
| 287 | int_str_len = IVAL(char_str_len,0); |
| 288 | if (int_str_len > 0) { |
| 289 | read_batch_flist_file(buff, int_str_len); |
| 290 | buff[int_str_len] = '\0'; |
| 291 | file->basename = strdup(buff); |
| 292 | } |
| 293 | else { |
| 294 | file->basename = NULL; |
| 295 | } |
| 296 | |
| 297 | read_batch_flist_file(char_str_len, sizeof(char_str_len)); |
| 298 | int_str_len = IVAL(char_str_len,0); |
| 299 | if (int_str_len > 0) { |
| 300 | read_batch_flist_file(buff, int_str_len); |
| 301 | buff[int_str_len] = '\0'; |
| 302 | file[0].dirname = strdup(buff); |
| 303 | } |
| 304 | else { |
| 305 | file[0].dirname = NULL; |
| 306 | } |
| 307 | |
| 308 | read_batch_flist_file(char_str_len, sizeof(char_str_len)); |
| 309 | int_str_len = IVAL(char_str_len,0); |
| 310 | if (int_str_len > 0) { |
| 311 | read_batch_flist_file(buff, int_str_len); |
| 312 | buff[int_str_len] = '\0'; |
| 313 | file[0].basedir = strdup(buff); |
| 314 | } |
| 315 | else { |
| 316 | file[0].basedir = NULL; |
| 317 | } |
| 318 | |
| 319 | read_batch_flist_file(char_str_len, sizeof(char_str_len)); |
| 320 | int_str_len = IVAL(char_str_len,0); |
| 321 | if (int_str_len > 0) { |
| 322 | read_batch_flist_file(buff, int_str_len); |
| 323 | buff[int_str_len] = '\0'; |
| 324 | file[0].link = strdup(buff); |
| 325 | } |
| 326 | else { |
| 327 | file[0].link = NULL; |
| 328 | } |
| 329 | |
| 330 | read_batch_flist_file(char_str_len, sizeof(char_str_len)); |
| 331 | int_str_len = IVAL(char_str_len,0); |
| 332 | if (int_str_len > 0) { |
| 333 | read_batch_flist_file(buff, int_str_len); |
| 334 | buff[int_str_len] = '\0'; |
| 335 | file[0].sum = strdup(buff); |
| 336 | } |
| 337 | else { |
| 338 | file[0].sum = NULL; |
| 339 | } |
| 340 | } |
| 341 | |
| 342 | void write_batch_csums_file(char *buff, int bytes_to_write) |
| 343 | { |
| 344 | |
| 345 | static int fdb_open = 1; |
| 346 | |
| 347 | if (fdb_open) { |
| 348 | /* Set up file extension */ |
| 349 | strcat(rsync_csums_file, batch_file_ext); |
| 350 | |
| 351 | /* Open batch csums file for writing; create it if it doesn't exist */ |
| 352 | fdb = do_open(rsync_csums_file, O_WRONLY|O_CREAT|O_TRUNC, |
| 353 | S_IREAD|S_IWRITE); |
| 354 | if (fdb == -1) { |
| 355 | rprintf(FERROR, "Batch file %s open error: %s\n", |
| 356 | rsync_csums_file, strerror(errno)); |
| 357 | close(fdb); |
| 358 | exit_cleanup(1); |
| 359 | } |
| 360 | fdb_open = 0; |
| 361 | } |
| 362 | |
| 363 | /* Write buffer to batch csums file */ |
| 364 | |
| 365 | if ( write(fdb, buff, bytes_to_write) == -1 ) { |
| 366 | rprintf(FERROR, "Batch file %s write error: %s\n", |
| 367 | rsync_csums_file, strerror(errno)); |
| 368 | close(fdb); |
| 369 | exit_cleanup(1); |
| 370 | } |
| 371 | } |
| 372 | |
| 373 | void close_batch_csums_file() |
| 374 | { |
| 375 | close(fdb); |
| 376 | |
| 377 | } |
| 378 | |
| 379 | void write_batch_csum_info(int *flist_entry, int flist_count, struct sum_struct *s) |
| 380 | { |
| 381 | int i; |
| 382 | int int_zero = 0; |
| 383 | extern int csum_length; |
| 384 | |
| 385 | fdb_open = 1; |
| 386 | |
| 387 | /* Write csum info to batch file */ |
| 388 | |
| 389 | write_batch_csums_file ( (char *) flist_entry, sizeof(int) ); |
| 390 | write_batch_csums_file ( (char *) (s?&s->count:&int_zero), sizeof(int) ); |
| 391 | if (s) { |
| 392 | for (i=0; i < s->count; i++) { |
| 393 | write_batch_csums_file( (char *) &s->sums[i].sum1, sizeof(uint32)); |
| 394 | if ( (*flist_entry == flist_count - 1) && (i == s->count - 1) ) { |
| 395 | fdb_close = 1; |
| 396 | } |
| 397 | write_batch_csums_file( s->sums[i].sum2, csum_length); |
| 398 | } |
| 399 | } |
| 400 | } |
| 401 | |
| 402 | int read_batch_csums_file(char *buff, int len) |
| 403 | { |
| 404 | static int fdb_open = 1; |
| 405 | int bytes_read; |
| 406 | |
| 407 | if (fdb_open) { |
| 408 | |
| 409 | /* Set up file extension */ |
| 410 | strcat(rsync_csums_file, batch_file_ext); |
| 411 | |
| 412 | /* Open batch flist file for reading */ |
| 413 | fdb = do_open(rsync_csums_file, O_RDONLY, 0); |
| 414 | if (fdb == -1) { |
| 415 | rprintf(FERROR, "Batch file %s open error: %s\n", rsync_csums_file, |
| 416 | strerror(errno)); |
| 417 | close(fdb); |
| 418 | exit_cleanup(1); |
| 419 | } |
| 420 | fdb_open = 0; |
| 421 | } |
| 422 | |
| 423 | /* Read csums batch file */ |
| 424 | |
| 425 | bytes_read = read(fdb, buff, len); |
| 426 | |
| 427 | if (bytes_read == -1) { |
| 428 | rprintf(FERROR, "Batch file %s read error: %s\n", |
| 429 | rsync_csums_file, strerror(errno)); |
| 430 | close(fdb); |
| 431 | exit_cleanup(1); |
| 432 | } |
| 433 | return bytes_read; |
| 434 | } |
| 435 | |
| 436 | |
| 437 | void read_batch_csum_info(int flist_entry, struct sum_struct *s, int *checksums_match) |
| 438 | { |
| 439 | int i; |
| 440 | int file_flist_entry; |
| 441 | int file_chunk_ct; |
| 442 | uint32 file_sum1; |
| 443 | char file_sum2[SUM_LENGTH]; |
| 444 | extern int csum_length; |
| 445 | |
| 446 | |
| 447 | read_batch_csums_file((char *)&file_flist_entry, sizeof(int)); |
| 448 | if (file_flist_entry != flist_entry) { |
| 449 | rprintf(FINFO,"file_list_entry NE flist_entry\n"); |
| 450 | rprintf(FINFO,"file_flist_entry = %d flist_entry = %d\n", file_flist_entry, flist_entry); |
| 451 | close(fdb); |
| 452 | exit_cleanup(1); |
| 453 | |
| 454 | } |
| 455 | else { |
| 456 | read_batch_csums_file((char *)&file_chunk_ct, sizeof(int)); |
| 457 | *checksums_match = 1; |
| 458 | for (i = 0;i < file_chunk_ct;i++) { |
| 459 | |
| 460 | read_batch_csums_file((char *)&file_sum1, sizeof(uint32)); |
| 461 | read_batch_csums_file(file_sum2, csum_length); |
| 462 | |
| 463 | if ( (s->sums[i].sum1 != file_sum1) || |
| 464 | ( memcmp(s->sums[i].sum2,file_sum2, csum_length)!=0) ) { |
| 465 | *checksums_match = 0; |
| 466 | } |
| 467 | } /* end for */ |
| 468 | } |
| 469 | |
| 470 | } |
| 471 | |
| 472 | void write_batch_delta_file(char *buff, int bytes_to_write) |
| 473 | { |
| 474 | static int fdb_delta_open = 1; |
| 475 | |
| 476 | if (fdb_delta_open) { |
| 477 | /* Set up file extension */ |
| 478 | strcat(rsync_delta_file, batch_file_ext); |
| 479 | |
| 480 | /* Open batch delta file for writing; create it if it doesn't exist */ |
| 481 | fdb_delta = do_open(rsync_delta_file, O_WRONLY|O_CREAT|O_TRUNC, |
| 482 | S_IREAD|S_IWRITE); |
| 483 | if (fdb_delta == -1) { |
| 484 | rprintf(FERROR, "Batch file %s open error: %s\n", |
| 485 | rsync_delta_file, strerror(errno)); |
| 486 | close(fdb_delta); |
| 487 | exit_cleanup(1); |
| 488 | } |
| 489 | fdb_delta_open = 0; |
| 490 | } |
| 491 | |
| 492 | /* Write buffer to batch delta file */ |
| 493 | |
| 494 | if ( write(fdb_delta, buff, bytes_to_write) == -1 ) { |
| 495 | rprintf(FERROR, "Batch file %s write error: %s\n", |
| 496 | rsync_delta_file, strerror(errno)); |
| 497 | close(fdb_delta); |
| 498 | exit_cleanup(1); |
| 499 | } |
| 500 | } |
| 501 | void close_batch_delta_file() |
| 502 | { |
| 503 | close(fdb_delta); |
| 504 | |
| 505 | } |
| 506 | |
| 507 | int read_batch_delta_file(char *buff, int len) |
| 508 | { |
| 509 | static int fdb_delta_open = 1; |
| 510 | int bytes_read; |
| 511 | |
| 512 | if (fdb_delta_open) { |
| 513 | |
| 514 | /* Set up file extension */ |
| 515 | strcat(rsync_delta_file, batch_file_ext); |
| 516 | |
| 517 | /* Open batch flist file for reading */ |
| 518 | fdb_delta = do_open(rsync_delta_file, O_RDONLY, 0); |
| 519 | if (fdb_delta == -1) { |
| 520 | rprintf(FERROR, "Batch file %s open error: %s\n", rsync_delta_file, |
| 521 | strerror(errno)); |
| 522 | close(fdb_delta); |
| 523 | exit_cleanup(1); |
| 524 | } |
| 525 | fdb_delta_open = 0; |
| 526 | } |
| 527 | |
| 528 | /* Read delta batch file */ |
| 529 | |
| 530 | bytes_read = read(fdb_delta, buff, len); |
| 531 | |
| 532 | if (bytes_read == -1) { |
| 533 | rprintf(FERROR, "Batch file %s read error: %s\n", |
| 534 | rsync_delta_file, strerror(errno)); |
| 535 | close(fdb_delta); |
| 536 | exit_cleanup(1); |
| 537 | } |
| 538 | return bytes_read; |
| 539 | } |
| 540 | |
| 541 | |
| 542 | void show_flist(int index, struct file_struct **fptr) |
| 543 | { |
| 544 | /* for debugging show_flist(flist->count, flist->files **/ |
| 545 | |
| 546 | int i; |
| 547 | for (i=0;i<index;i++) { |
| 548 | rprintf(FINFO, "flist->flags=%#x\n",fptr[i]->flags); |
| 549 | rprintf(FINFO, "flist->modtime=%#lx\n", |
| 550 | (long unsigned) fptr[i]->modtime); |
| 551 | rprintf(FINFO, "flist->length=%.0f\n", (double) fptr[i]->length); |
| 552 | rprintf(FINFO, "flist->mode=%#o\n", (int) fptr[i]->mode); |
| 553 | rprintf(FINFO, "flist->basename=%s\n",fptr[i]->basename); |
| 554 | if (fptr[i]->dirname) |
| 555 | rprintf(FINFO, "flist->dirname=%s\n",fptr[i]->dirname); |
| 556 | if (fptr[i]->basedir) |
| 557 | rprintf(FINFO, "flist->basedir=%s\n",fptr[i]->basedir); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | void show_argvs(int argc, char *argv[]) |
| 562 | { |
| 563 | /* for debugging **/ |
| 564 | |
| 565 | int i; |
| 566 | rprintf(FINFO,"BATCH.C:show_argvs,argc=%d\n",argc); |
| 567 | for (i=0;i<argc;i++) { |
| 568 | /* if (argv[i]) */ |
| 569 | rprintf(FINFO,"i=%d,argv[i]=%s\n",i,argv[i]); |
| 570 | |
| 571 | } |
| 572 | } |
| 573 | |