Annotation of embedaddon/rsync/flist.c, revision 1.1
1.1 ! misho 1: /*
! 2: * Generate and receive file lists.
! 3: *
! 4: * Copyright (C) 1996 Andrew Tridgell
! 5: * Copyright (C) 1996 Paul Mackerras
! 6: * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
! 7: * Copyright (C) 2002-2009 Wayne Davison
! 8: *
! 9: * This program is free software; you can redistribute it and/or modify
! 10: * it under the terms of the GNU General Public License as published by
! 11: * the Free Software Foundation; either version 3 of the License, or
! 12: * (at your option) any later version.
! 13: *
! 14: * This program is distributed in the hope that it will be useful,
! 15: * but WITHOUT ANY WARRANTY; without even the implied warranty of
! 16: * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
! 17: * GNU General Public License for more details.
! 18: *
! 19: * You should have received a copy of the GNU General Public License along
! 20: * with this program; if not, visit the http://fsf.org website.
! 21: */
! 22:
! 23: #include "rsync.h"
! 24: #include "ifuncs.h"
! 25: #include "rounding.h"
! 26: #include "io.h"
! 27:
! 28: extern int verbose;
! 29: extern int am_root;
! 30: extern int am_server;
! 31: extern int am_daemon;
! 32: extern int am_sender;
! 33: extern int am_generator;
! 34: extern int inc_recurse;
! 35: extern int do_progress;
! 36: extern int always_checksum;
! 37: extern int module_id;
! 38: extern int ignore_errors;
! 39: extern int numeric_ids;
! 40: extern int recurse;
! 41: extern int use_qsort;
! 42: extern int xfer_dirs;
! 43: extern int filesfrom_fd;
! 44: extern int one_file_system;
! 45: extern int copy_dirlinks;
! 46: extern int preserve_uid;
! 47: extern int preserve_gid;
! 48: extern int preserve_acls;
! 49: extern int preserve_xattrs;
! 50: extern int preserve_links;
! 51: extern int preserve_hard_links;
! 52: extern int preserve_devices;
! 53: extern int preserve_specials;
! 54: extern int delete_during;
! 55: extern int eol_nulls;
! 56: extern int relative_paths;
! 57: extern int implied_dirs;
! 58: extern int ignore_perishable;
! 59: extern int non_perishable_cnt;
! 60: extern int prune_empty_dirs;
! 61: extern int copy_links;
! 62: extern int copy_unsafe_links;
! 63: extern int protocol_version;
! 64: extern int sanitize_paths;
! 65: extern int munge_symlinks;
! 66: extern int use_safe_inc_flist;
! 67: extern int need_unsorted_flist;
! 68: extern int sender_symlink_iconv;
! 69: extern int unsort_ndx;
! 70: extern uid_t our_uid;
! 71: extern struct stats stats;
! 72: extern char *filesfrom_host;
! 73:
! 74: extern char curr_dir[MAXPATHLEN];
! 75:
! 76: extern struct chmod_mode_struct *chmod_modes;
! 77:
! 78: extern struct filter_list_struct filter_list;
! 79: extern struct filter_list_struct daemon_filter_list;
! 80:
! 81: #ifdef ICONV_OPTION
! 82: extern int filesfrom_convert;
! 83: extern iconv_t ic_send, ic_recv;
! 84: #endif
! 85:
! 86: #define PTR_SIZE (sizeof (struct file_struct *))
! 87:
! 88: int io_error;
! 89: int checksum_len;
! 90: dev_t filesystem_dev; /* used to implement -x */
! 91:
! 92: struct file_list *cur_flist, *first_flist, *dir_flist;
! 93: int send_dir_ndx = -1, send_dir_depth = -1;
! 94: int flist_cnt = 0; /* how many (non-tmp) file list objects exist */
! 95: int file_total = 0; /* total of all active items over all file-lists */
! 96: int flist_eof = 0; /* all the file-lists are now known */
! 97:
! 98: #define NORMAL_NAME 0
! 99: #define SLASH_ENDING_NAME 1
! 100: #define DOTDIR_NAME 2
! 101:
! 102: /* Starting from protocol version 26, we always use 64-bit ino_t and dev_t
! 103: * internally, even if this platform does not allow files to have 64-bit inums.
! 104: * The only exception is if we're on a platform with no 64-bit type at all.
! 105: *
! 106: * Because we use read_longint() to get these off the wire, if you transfer
! 107: * devices or (for protocols < 30) hardlinks with dev or inum > 2**32 to a
! 108: * machine with no 64-bit types then you will get an overflow error.
! 109: *
! 110: * Note that if you transfer devices from a 64-bit-devt machine (say, Solaris)
! 111: * to a 32-bit-devt machine (say, Linux-2.2/x86) then the device numbers will
! 112: * be truncated. But it's a kind of silly thing to do anyhow. */
! 113:
! 114: /* The tmp_* vars are used as a cache area by make_file() to store data
! 115: * that the sender doesn't need to remember in its file list. The data
! 116: * will survive just long enough to be used by send_file_entry(). */
! 117: static dev_t tmp_rdev;
! 118: #ifdef SUPPORT_HARD_LINKS
! 119: static int64 tmp_dev = -1, tmp_ino;
! 120: #endif
! 121: static char tmp_sum[MAX_DIGEST_LEN];
! 122:
! 123: static char empty_sum[MAX_DIGEST_LEN];
! 124: static int flist_count_offset; /* for --delete --progress */
! 125: static int dir_count = 0;
! 126:
! 127: static void flist_sort_and_clean(struct file_list *flist, int strip_root);
! 128: static void output_flist(struct file_list *flist);
! 129:
! 130: void init_flist(void)
! 131: {
! 132: if (verbose > 4) {
! 133: rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
! 134: (int)FILE_STRUCT_LEN, (int)EXTRA_LEN);
! 135: }
! 136: checksum_len = protocol_version < 21 ? 2
! 137: : protocol_version < 30 ? MD4_DIGEST_LEN
! 138: : MD5_DIGEST_LEN;
! 139: }
! 140:
! 141: static int show_filelist_p(void)
! 142: {
! 143: return verbose && xfer_dirs && !am_server && !inc_recurse;
! 144: }
! 145:
! 146: static void start_filelist_progress(char *kind)
! 147: {
! 148: rprintf(FCLIENT, "%s ... ", kind);
! 149: if (verbose > 1 || do_progress)
! 150: rprintf(FCLIENT, "\n");
! 151: rflush(FINFO);
! 152: }
! 153:
! 154: static void emit_filelist_progress(int count)
! 155: {
! 156: rprintf(FCLIENT, " %d files...\r", count);
! 157: }
! 158:
! 159: static void maybe_emit_filelist_progress(int count)
! 160: {
! 161: if (do_progress && show_filelist_p() && (count % 100) == 0)
! 162: emit_filelist_progress(count);
! 163: }
! 164:
! 165: static void finish_filelist_progress(const struct file_list *flist)
! 166: {
! 167: if (do_progress) {
! 168: /* This overwrites the progress line */
! 169: rprintf(FINFO, "%d file%sto consider\n",
! 170: flist->used, flist->used == 1 ? " " : "s ");
! 171: } else
! 172: rprintf(FINFO, "done\n");
! 173: }
! 174:
! 175: void show_flist_stats(void)
! 176: {
! 177: /* Nothing yet */
! 178: }
! 179:
! 180: /* Stat either a symlink or its referent, depending on the settings of
! 181: * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success.
! 182: *
! 183: * If path is the name of a symlink, then the linkbuf buffer (which must hold
! 184: * MAXPATHLEN chars) will be set to the symlink's target string.
! 185: *
! 186: * The stat structure pointed to by stp will contain information about the
! 187: * link or the referent as appropriate, if they exist. */
! 188: static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf)
! 189: {
! 190: #ifdef SUPPORT_LINKS
! 191: if (link_stat(path, stp, copy_dirlinks) < 0)
! 192: return -1;
! 193: if (S_ISLNK(stp->st_mode)) {
! 194: int llen = readlink(path, linkbuf, MAXPATHLEN - 1);
! 195: if (llen < 0)
! 196: return -1;
! 197: linkbuf[llen] = '\0';
! 198: if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
! 199: if (verbose > 1) {
! 200: rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
! 201: path, linkbuf);
! 202: }
! 203: return x_stat(path, stp, NULL);
! 204: }
! 205: if (munge_symlinks && am_sender && llen > SYMLINK_PREFIX_LEN
! 206: && strncmp(linkbuf, SYMLINK_PREFIX, SYMLINK_PREFIX_LEN) == 0) {
! 207: memmove(linkbuf, linkbuf + SYMLINK_PREFIX_LEN,
! 208: llen - SYMLINK_PREFIX_LEN + 1);
! 209: }
! 210: }
! 211: return 0;
! 212: #else
! 213: return x_stat(path, stp, NULL);
! 214: #endif
! 215: }
! 216:
! 217: int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
! 218: {
! 219: #ifdef SUPPORT_LINKS
! 220: if (copy_links)
! 221: return x_stat(path, stp, NULL);
! 222: if (x_lstat(path, stp, NULL) < 0)
! 223: return -1;
! 224: if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
! 225: STRUCT_STAT st;
! 226: if (x_stat(path, &st, NULL) == 0 && S_ISDIR(st.st_mode))
! 227: *stp = st;
! 228: }
! 229: return 0;
! 230: #else
! 231: return x_stat(path, stp, NULL);
! 232: #endif
! 233: }
! 234:
! 235: static inline int is_daemon_excluded(const char *fname, int is_dir)
! 236: {
! 237: if (daemon_filter_list.head
! 238: && check_filter(&daemon_filter_list, FLOG, fname, is_dir) < 0) {
! 239: errno = ENOENT;
! 240: return 1;
! 241: }
! 242: return 0;
! 243: }
! 244:
! 245: static inline int path_is_daemon_excluded(char *path, int ignore_filename)
! 246: {
! 247: if (daemon_filter_list.head) {
! 248: char *slash = path;
! 249:
! 250: while ((slash = strchr(slash+1, '/')) != NULL) {
! 251: int ret;
! 252: *slash = '\0';
! 253: ret = check_filter(&daemon_filter_list, FLOG, path, 1);
! 254: *slash = '/';
! 255: if (ret < 0) {
! 256: errno = ENOENT;
! 257: return 1;
! 258: }
! 259: }
! 260:
! 261: if (!ignore_filename
! 262: && check_filter(&daemon_filter_list, FLOG, path, 1) < 0) {
! 263: errno = ENOENT;
! 264: return 1;
! 265: }
! 266: }
! 267:
! 268: return 0;
! 269: }
! 270:
! 271: /* This function is used to check if a file should be included/excluded
! 272: * from the list of files based on its name and type etc. The value of
! 273: * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
! 274: static int is_excluded(const char *fname, int is_dir, int filter_level)
! 275: {
! 276: #if 0 /* This currently never happens, so avoid a useless compare. */
! 277: if (filter_level == NO_FILTERS)
! 278: return 0;
! 279: #endif
! 280: if (is_daemon_excluded(fname, is_dir))
! 281: return 1;
! 282: if (filter_level != ALL_FILTERS)
! 283: return 0;
! 284: if (filter_list.head
! 285: && check_filter(&filter_list, FINFO, fname, is_dir) < 0)
! 286: return 1;
! 287: return 0;
! 288: }
! 289:
! 290: static void send_directory(int f, struct file_list *flist,
! 291: char *fbuf, int len, int flags);
! 292:
! 293: static const char *pathname, *orig_dir;
! 294: static int pathname_len;
! 295:
! 296: /* Make sure flist can hold at least flist->used + extra entries. */
! 297: static void flist_expand(struct file_list *flist, int extra)
! 298: {
! 299: struct file_struct **new_ptr;
! 300:
! 301: if (flist->used + extra <= flist->malloced)
! 302: return;
! 303:
! 304: if (flist->malloced < FLIST_START)
! 305: flist->malloced = FLIST_START;
! 306: else if (flist->malloced >= FLIST_LINEAR)
! 307: flist->malloced += FLIST_LINEAR;
! 308: else
! 309: flist->malloced *= 2;
! 310:
! 311: /* In case count jumped or we are starting the list
! 312: * with a known size just set it. */
! 313: if (flist->malloced < flist->used + extra)
! 314: flist->malloced = flist->used + extra;
! 315:
! 316: new_ptr = realloc_array(flist->files, struct file_struct *,
! 317: flist->malloced);
! 318:
! 319: if (verbose >= 2 && flist->malloced != FLIST_START) {
! 320: rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n",
! 321: who_am_i(),
! 322: (double)sizeof flist->files[0] * flist->malloced,
! 323: (new_ptr == flist->files) ? " not" : "");
! 324: }
! 325:
! 326: flist->files = new_ptr;
! 327:
! 328: if (!flist->files)
! 329: out_of_memory("flist_expand");
! 330: }
! 331:
! 332: static void flist_done_allocating(struct file_list *flist)
! 333: {
! 334: void *ptr = pool_boundary(flist->file_pool, 8*1024);
! 335: if (flist->pool_boundary == ptr)
! 336: flist->pool_boundary = NULL; /* list didn't use any pool memory */
! 337: else
! 338: flist->pool_boundary = ptr;
! 339: }
! 340:
! 341: /* Call this with EITHER (1) "file, NULL, 0" to chdir() to the file's
! 342: * F_PATHNAME(), or (2) "NULL, dir, dirlen" to chdir() to the supplied dir,
! 343: * with dir == NULL taken to be the starting directory, and dirlen < 0
! 344: * indicating that strdup(dir) should be called and then the -dirlen length
! 345: * value checked to ensure that it is not daemon-excluded. */
! 346: int change_pathname(struct file_struct *file, const char *dir, int dirlen)
! 347: {
! 348: if (dirlen < 0) {
! 349: char *cpy = strdup(dir);
! 350: if (*cpy != '/')
! 351: change_dir(orig_dir, CD_SKIP_CHDIR);
! 352: if (path_is_daemon_excluded(cpy, 0))
! 353: goto chdir_error;
! 354: dir = cpy;
! 355: dirlen = -dirlen;
! 356: } else {
! 357: if (file) {
! 358: if (pathname == F_PATHNAME(file))
! 359: return 1;
! 360: dir = F_PATHNAME(file);
! 361: if (dir)
! 362: dirlen = strlen(dir);
! 363: } else if (pathname == dir)
! 364: return 1;
! 365: if (dir && *dir != '/')
! 366: change_dir(orig_dir, CD_SKIP_CHDIR);
! 367: }
! 368:
! 369: pathname = dir;
! 370: pathname_len = dirlen;
! 371:
! 372: if (!dir)
! 373: dir = orig_dir;
! 374:
! 375: if (!change_dir(dir, CD_NORMAL)) {
! 376: chdir_error:
! 377: io_error |= IOERR_GENERAL;
! 378: rsyserr(FERROR_XFER, errno, "change_dir %s failed", full_fname(dir));
! 379: if (dir != orig_dir)
! 380: change_dir(orig_dir, CD_NORMAL);
! 381: pathname = NULL;
! 382: pathname_len = 0;
! 383: return 0;
! 384: }
! 385:
! 386: return 1;
! 387: }
! 388:
! 389: static void send_file_entry(int f, const char *fname, struct file_struct *file,
! 390: #ifdef SUPPORT_LINKS
! 391: const char *symlink_name, int symlink_len,
! 392: #endif
! 393: int ndx, int first_ndx)
! 394: {
! 395: static time_t modtime;
! 396: static mode_t mode;
! 397: #ifdef SUPPORT_HARD_LINKS
! 398: static int64 dev;
! 399: #endif
! 400: static dev_t rdev;
! 401: static uint32 rdev_major;
! 402: static uid_t uid;
! 403: static gid_t gid;
! 404: static const char *user_name, *group_name;
! 405: static char lastname[MAXPATHLEN];
! 406: int first_hlink_ndx = -1;
! 407: int l1, l2;
! 408: int xflags;
! 409:
! 410: /* Initialize starting value of xflags. */
! 411: if (protocol_version >= 30 && S_ISDIR(file->mode)) {
! 412: dir_count++;
! 413: if (file->flags & FLAG_CONTENT_DIR)
! 414: xflags = file->flags & FLAG_TOP_DIR;
! 415: else if (file->flags & FLAG_IMPLIED_DIR)
! 416: xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR;
! 417: else
! 418: xflags = XMIT_NO_CONTENT_DIR;
! 419: } else
! 420: xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
! 421:
! 422: if (file->mode == mode)
! 423: xflags |= XMIT_SAME_MODE;
! 424: else
! 425: mode = file->mode;
! 426:
! 427: if (preserve_devices && IS_DEVICE(mode)) {
! 428: if (protocol_version < 28) {
! 429: if (tmp_rdev == rdev)
! 430: xflags |= XMIT_SAME_RDEV_pre28;
! 431: else
! 432: rdev = tmp_rdev;
! 433: } else {
! 434: rdev = tmp_rdev;
! 435: if ((uint32)major(rdev) == rdev_major)
! 436: xflags |= XMIT_SAME_RDEV_MAJOR;
! 437: else
! 438: rdev_major = major(rdev);
! 439: if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
! 440: xflags |= XMIT_RDEV_MINOR_8_pre30;
! 441: }
! 442: } else if (preserve_specials && IS_SPECIAL(mode)) {
! 443: /* Special files don't need an rdev number, so just make
! 444: * the historical transmission of the value efficient. */
! 445: if (protocol_version < 28)
! 446: xflags |= XMIT_SAME_RDEV_pre28;
! 447: else {
! 448: rdev = MAKEDEV(major(rdev), 0);
! 449: xflags |= XMIT_SAME_RDEV_MAJOR;
! 450: if (protocol_version < 30)
! 451: xflags |= XMIT_RDEV_MINOR_8_pre30;
! 452: }
! 453: } else if (protocol_version < 28)
! 454: rdev = MAKEDEV(0, 0);
! 455: if (!preserve_uid || ((uid_t)F_OWNER(file) == uid && *lastname))
! 456: xflags |= XMIT_SAME_UID;
! 457: else {
! 458: uid = F_OWNER(file);
! 459: if (!numeric_ids) {
! 460: user_name = add_uid(uid);
! 461: if (inc_recurse && user_name)
! 462: xflags |= XMIT_USER_NAME_FOLLOWS;
! 463: }
! 464: }
! 465: if (!preserve_gid || ((gid_t)F_GROUP(file) == gid && *lastname))
! 466: xflags |= XMIT_SAME_GID;
! 467: else {
! 468: gid = F_GROUP(file);
! 469: if (!numeric_ids) {
! 470: group_name = add_gid(gid);
! 471: if (inc_recurse && group_name)
! 472: xflags |= XMIT_GROUP_NAME_FOLLOWS;
! 473: }
! 474: }
! 475: if (file->modtime == modtime)
! 476: xflags |= XMIT_SAME_TIME;
! 477: else
! 478: modtime = file->modtime;
! 479:
! 480: #ifdef SUPPORT_HARD_LINKS
! 481: if (tmp_dev != -1) {
! 482: if (protocol_version >= 30) {
! 483: struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
! 484: first_hlink_ndx = (int32)(long)np->data - 1;
! 485: if (first_hlink_ndx < 0) {
! 486: np->data = (void*)(long)(first_ndx + ndx + 1);
! 487: xflags |= XMIT_HLINK_FIRST;
! 488: }
! 489: } else {
! 490: if (tmp_dev == dev) {
! 491: if (protocol_version >= 28)
! 492: xflags |= XMIT_SAME_DEV_pre30;
! 493: } else
! 494: dev = tmp_dev;
! 495: }
! 496: xflags |= XMIT_HLINKED;
! 497: }
! 498: #endif
! 499:
! 500: for (l1 = 0;
! 501: lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
! 502: l1++) {}
! 503: l2 = strlen(fname+l1);
! 504:
! 505: if (l1 > 0)
! 506: xflags |= XMIT_SAME_NAME;
! 507: if (l2 > 255)
! 508: xflags |= XMIT_LONG_NAME;
! 509:
! 510: /* We must make sure we don't send a zero flag byte or the
! 511: * other end will terminate the flist transfer. Note that
! 512: * the use of XMIT_TOP_DIR on a non-dir has no meaning, so
! 513: * it's harmless way to add a bit to the first flag byte. */
! 514: if (protocol_version >= 28) {
! 515: if (!xflags && !S_ISDIR(mode))
! 516: xflags |= XMIT_TOP_DIR;
! 517: if ((xflags & 0xFF00) || !xflags) {
! 518: xflags |= XMIT_EXTENDED_FLAGS;
! 519: write_shortint(f, xflags);
! 520: } else
! 521: write_byte(f, xflags);
! 522: } else {
! 523: if (!(xflags & 0xFF))
! 524: xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
! 525: write_byte(f, xflags);
! 526: }
! 527: if (xflags & XMIT_SAME_NAME)
! 528: write_byte(f, l1);
! 529: if (xflags & XMIT_LONG_NAME)
! 530: write_varint30(f, l2);
! 531: else
! 532: write_byte(f, l2);
! 533: write_buf(f, fname + l1, l2);
! 534:
! 535: if (first_hlink_ndx >= 0) {
! 536: write_varint(f, first_hlink_ndx);
! 537: if (first_hlink_ndx >= first_ndx)
! 538: goto the_end;
! 539: }
! 540:
! 541: write_varlong30(f, F_LENGTH(file), 3);
! 542: if (!(xflags & XMIT_SAME_TIME)) {
! 543: if (protocol_version >= 30)
! 544: write_varlong(f, modtime, 4);
! 545: else
! 546: write_int(f, modtime);
! 547: }
! 548: if (!(xflags & XMIT_SAME_MODE))
! 549: write_int(f, to_wire_mode(mode));
! 550: if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
! 551: if (protocol_version < 30)
! 552: write_int(f, uid);
! 553: else {
! 554: write_varint(f, uid);
! 555: if (xflags & XMIT_USER_NAME_FOLLOWS) {
! 556: int len = strlen(user_name);
! 557: write_byte(f, len);
! 558: write_buf(f, user_name, len);
! 559: }
! 560: }
! 561: }
! 562: if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
! 563: if (protocol_version < 30)
! 564: write_int(f, gid);
! 565: else {
! 566: write_varint(f, gid);
! 567: if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
! 568: int len = strlen(group_name);
! 569: write_byte(f, len);
! 570: write_buf(f, group_name, len);
! 571: }
! 572: }
! 573: }
! 574: if ((preserve_devices && IS_DEVICE(mode))
! 575: || (preserve_specials && IS_SPECIAL(mode))) {
! 576: if (protocol_version < 28) {
! 577: if (!(xflags & XMIT_SAME_RDEV_pre28))
! 578: write_int(f, (int)rdev);
! 579: } else {
! 580: if (!(xflags & XMIT_SAME_RDEV_MAJOR))
! 581: write_varint30(f, major(rdev));
! 582: if (protocol_version >= 30)
! 583: write_varint(f, minor(rdev));
! 584: else if (xflags & XMIT_RDEV_MINOR_8_pre30)
! 585: write_byte(f, minor(rdev));
! 586: else
! 587: write_int(f, minor(rdev));
! 588: }
! 589: }
! 590:
! 591: #ifdef SUPPORT_LINKS
! 592: if (symlink_len) {
! 593: write_varint30(f, symlink_len);
! 594: write_buf(f, symlink_name, symlink_len);
! 595: }
! 596: #endif
! 597:
! 598: #ifdef SUPPORT_HARD_LINKS
! 599: if (tmp_dev != -1 && protocol_version < 30) {
! 600: /* Older protocols expect the dev number to be transmitted
! 601: * 1-incremented so that it is never zero. */
! 602: if (protocol_version < 26) {
! 603: /* 32-bit dev_t and ino_t */
! 604: write_int(f, (int32)(dev+1));
! 605: write_int(f, (int32)tmp_ino);
! 606: } else {
! 607: /* 64-bit dev_t and ino_t */
! 608: if (!(xflags & XMIT_SAME_DEV_pre30))
! 609: write_longint(f, dev+1);
! 610: write_longint(f, tmp_ino);
! 611: }
! 612: }
! 613: #endif
! 614:
! 615: if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
! 616: const char *sum;
! 617: if (S_ISREG(mode))
! 618: sum = tmp_sum;
! 619: else {
! 620: /* Prior to 28, we sent a useless set of nulls. */
! 621: sum = empty_sum;
! 622: }
! 623: write_buf(f, sum, checksum_len);
! 624: }
! 625:
! 626: the_end:
! 627: strlcpy(lastname, fname, MAXPATHLEN);
! 628:
! 629: if (S_ISREG(mode) || S_ISLNK(mode))
! 630: stats.total_size += F_LENGTH(file);
! 631: }
! 632:
! 633: static struct file_struct *recv_file_entry(int f, struct file_list *flist, int xflags)
! 634: {
! 635: static int64 modtime;
! 636: static mode_t mode;
! 637: #ifdef SUPPORT_HARD_LINKS
! 638: static int64 dev;
! 639: #endif
! 640: static dev_t rdev;
! 641: static uint32 rdev_major;
! 642: static uid_t uid;
! 643: static gid_t gid;
! 644: static uint16 gid_flags;
! 645: static char lastname[MAXPATHLEN], *lastdir;
! 646: static int lastdir_depth, lastdir_len = -1;
! 647: static unsigned int del_hier_name_len = 0;
! 648: static int in_del_hier = 0;
! 649: char thisname[MAXPATHLEN];
! 650: unsigned int l1 = 0, l2 = 0;
! 651: int alloc_len, basename_len, linkname_len;
! 652: int extra_len = file_extra_cnt * EXTRA_LEN;
! 653: int first_hlink_ndx = -1;
! 654: int64 file_length;
! 655: const char *basename;
! 656: struct file_struct *file;
! 657: alloc_pool_t *pool;
! 658: char *bp;
! 659:
! 660: if (xflags & XMIT_SAME_NAME)
! 661: l1 = read_byte(f);
! 662:
! 663: if (xflags & XMIT_LONG_NAME)
! 664: l2 = read_varint30(f);
! 665: else
! 666: l2 = read_byte(f);
! 667:
! 668: if (l2 >= MAXPATHLEN - l1) {
! 669: rprintf(FERROR,
! 670: "overflow: xflags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
! 671: xflags, l1, l2, lastname, who_am_i());
! 672: overflow_exit("recv_file_entry");
! 673: }
! 674:
! 675: strlcpy(thisname, lastname, l1 + 1);
! 676: read_sbuf(f, &thisname[l1], l2);
! 677: thisname[l1 + l2] = 0;
! 678:
! 679: /* Abuse basename_len for a moment... */
! 680: basename_len = strlcpy(lastname, thisname, MAXPATHLEN);
! 681:
! 682: #ifdef ICONV_OPTION
! 683: if (ic_recv != (iconv_t)-1) {
! 684: xbuf outbuf, inbuf;
! 685:
! 686: INIT_CONST_XBUF(outbuf, thisname);
! 687: INIT_XBUF(inbuf, lastname, basename_len, -1);
! 688:
! 689: if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
! 690: io_error |= IOERR_GENERAL;
! 691: rprintf(FERROR_UTF8,
! 692: "[%s] cannot convert filename: %s (%s)\n",
! 693: who_am_i(), lastname, strerror(errno));
! 694: outbuf.len = 0;
! 695: }
! 696: thisname[outbuf.len] = '\0';
! 697: }
! 698: #endif
! 699:
! 700: if (*thisname)
! 701: clean_fname(thisname, 0);
! 702:
! 703: if (sanitize_paths)
! 704: sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
! 705:
! 706: if ((basename = strrchr(thisname, '/')) != NULL) {
! 707: int len = basename++ - thisname;
! 708: if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
! 709: lastdir = new_array(char, len + 1);
! 710: memcpy(lastdir, thisname, len);
! 711: lastdir[len] = '\0';
! 712: lastdir_len = len;
! 713: lastdir_depth = count_dir_elements(lastdir);
! 714: }
! 715: } else
! 716: basename = thisname;
! 717: basename_len = strlen(basename) + 1; /* count the '\0' */
! 718:
! 719: #ifdef SUPPORT_HARD_LINKS
! 720: if (protocol_version >= 30
! 721: && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
! 722: first_hlink_ndx = read_varint(f);
! 723: if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->ndx_start + flist->used) {
! 724: rprintf(FERROR,
! 725: "hard-link reference out of range: %d (%d)\n",
! 726: first_hlink_ndx, flist->ndx_start + flist->used);
! 727: exit_cleanup(RERR_PROTOCOL);
! 728: }
! 729: if (first_hlink_ndx >= flist->ndx_start) {
! 730: struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
! 731: file_length = F_LENGTH(first);
! 732: modtime = first->modtime;
! 733: mode = first->mode;
! 734: if (preserve_uid)
! 735: uid = F_OWNER(first);
! 736: if (preserve_gid)
! 737: gid = F_GROUP(first);
! 738: if (preserve_devices && IS_DEVICE(mode)) {
! 739: uint32 *devp = F_RDEV_P(first);
! 740: rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
! 741: extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
! 742: }
! 743: if (preserve_links && S_ISLNK(mode))
! 744: linkname_len = strlen(F_SYMLINK(first)) + 1;
! 745: else
! 746: linkname_len = 0;
! 747: goto create_object;
! 748: }
! 749: }
! 750: #endif
! 751:
! 752: file_length = read_varlong30(f, 3);
! 753: if (!(xflags & XMIT_SAME_TIME)) {
! 754: if (protocol_version >= 30) {
! 755: modtime = read_varlong(f, 4);
! 756: #if SIZEOF_TIME_T < SIZEOF_INT64
! 757: if (!am_generator && (int64)(time_t)modtime != modtime) {
! 758: rprintf(FERROR_XFER,
! 759: "Time value of %s truncated on receiver.\n",
! 760: lastname);
! 761: }
! 762: #endif
! 763: } else
! 764: modtime = read_int(f);
! 765: }
! 766: if (!(xflags & XMIT_SAME_MODE))
! 767: mode = from_wire_mode(read_int(f));
! 768:
! 769: if (chmod_modes && !S_ISLNK(mode))
! 770: mode = tweak_mode(mode, chmod_modes);
! 771:
! 772: if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
! 773: if (protocol_version < 30)
! 774: uid = (uid_t)read_int(f);
! 775: else {
! 776: uid = (uid_t)read_varint(f);
! 777: if (xflags & XMIT_USER_NAME_FOLLOWS)
! 778: uid = recv_user_name(f, uid);
! 779: else if (inc_recurse && am_root && !numeric_ids)
! 780: uid = match_uid(uid);
! 781: }
! 782: }
! 783: if (preserve_gid && !(xflags & XMIT_SAME_GID)) {
! 784: if (protocol_version < 30)
! 785: gid = (gid_t)read_int(f);
! 786: else {
! 787: gid = (gid_t)read_varint(f);
! 788: gid_flags = 0;
! 789: if (xflags & XMIT_GROUP_NAME_FOLLOWS)
! 790: gid = recv_group_name(f, gid, &gid_flags);
! 791: else if (inc_recurse && (!am_root || !numeric_ids))
! 792: gid = match_gid(gid, &gid_flags);
! 793: }
! 794: }
! 795:
! 796: if ((preserve_devices && IS_DEVICE(mode))
! 797: || (preserve_specials && IS_SPECIAL(mode))) {
! 798: if (protocol_version < 28) {
! 799: if (!(xflags & XMIT_SAME_RDEV_pre28))
! 800: rdev = (dev_t)read_int(f);
! 801: } else {
! 802: uint32 rdev_minor;
! 803: if (!(xflags & XMIT_SAME_RDEV_MAJOR))
! 804: rdev_major = read_varint30(f);
! 805: if (protocol_version >= 30)
! 806: rdev_minor = read_varint(f);
! 807: else if (xflags & XMIT_RDEV_MINOR_8_pre30)
! 808: rdev_minor = read_byte(f);
! 809: else
! 810: rdev_minor = read_int(f);
! 811: rdev = MAKEDEV(rdev_major, rdev_minor);
! 812: }
! 813: if (IS_DEVICE(mode))
! 814: extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
! 815: file_length = 0;
! 816: } else if (protocol_version < 28)
! 817: rdev = MAKEDEV(0, 0);
! 818:
! 819: #ifdef SUPPORT_LINKS
! 820: if (preserve_links && S_ISLNK(mode)) {
! 821: linkname_len = read_varint30(f) + 1; /* count the '\0' */
! 822: if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
! 823: rprintf(FERROR, "overflow: linkname_len=%d\n",
! 824: linkname_len - 1);
! 825: overflow_exit("recv_file_entry");
! 826: }
! 827: #ifdef ICONV_OPTION
! 828: /* We don't know how much extra room we need to convert
! 829: * the as-yet-unread symlink data, so let's hope that a
! 830: * double-size buffer is plenty. */
! 831: if (sender_symlink_iconv)
! 832: linkname_len *= 2;
! 833: #endif
! 834: if (munge_symlinks)
! 835: linkname_len += SYMLINK_PREFIX_LEN;
! 836: }
! 837: else
! 838: #endif
! 839: linkname_len = 0;
! 840:
! 841: #ifdef SUPPORT_HARD_LINKS
! 842: create_object:
! 843: if (preserve_hard_links) {
! 844: if (protocol_version < 28 && S_ISREG(mode))
! 845: xflags |= XMIT_HLINKED;
! 846: if (xflags & XMIT_HLINKED)
! 847: extra_len += (inc_recurse+1) * EXTRA_LEN;
! 848: }
! 849: #endif
! 850:
! 851: #ifdef SUPPORT_ACLS
! 852: /* Directories need an extra int32 for the default ACL. */
! 853: if (preserve_acls && S_ISDIR(mode))
! 854: extra_len += EXTRA_LEN;
! 855: #endif
! 856:
! 857: if (always_checksum && S_ISREG(mode))
! 858: extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
! 859:
! 860: #if SIZEOF_INT64 >= 8
! 861: if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
! 862: extra_len += EXTRA_LEN;
! 863: #endif
! 864: if (file_length < 0) {
! 865: rprintf(FERROR, "Offset underflow: file-length is negative\n");
! 866: exit_cleanup(RERR_UNSUPPORTED);
! 867: }
! 868:
! 869: if (inc_recurse && S_ISDIR(mode)) {
! 870: if (one_file_system) {
! 871: /* Room to save the dir's device for -x */
! 872: extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
! 873: }
! 874: pool = dir_flist->file_pool;
! 875: } else
! 876: pool = flist->file_pool;
! 877:
! 878: #if EXTRA_ROUNDING > 0
! 879: if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
! 880: extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
! 881: #endif
! 882:
! 883: alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
! 884: + linkname_len;
! 885: bp = pool_alloc(pool, alloc_len, "recv_file_entry");
! 886:
! 887: memset(bp, 0, extra_len + FILE_STRUCT_LEN);
! 888: bp += extra_len;
! 889: file = (struct file_struct *)bp;
! 890: bp += FILE_STRUCT_LEN;
! 891:
! 892: memcpy(bp, basename, basename_len);
! 893:
! 894: #ifdef SUPPORT_HARD_LINKS
! 895: if (xflags & XMIT_HLINKED)
! 896: file->flags |= FLAG_HLINKED;
! 897: #endif
! 898: file->modtime = (time_t)modtime;
! 899: file->len32 = (uint32)file_length;
! 900: #if SIZEOF_INT64 >= 8
! 901: if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
! 902: #if SIZEOF_CAPITAL_OFF_T < 8
! 903: rprintf(FERROR, "Offset overflow: attempted 64-bit file-length\n");
! 904: exit_cleanup(RERR_UNSUPPORTED);
! 905: #else
! 906: file->flags |= FLAG_LENGTH64;
! 907: OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
! 908: #endif
! 909: }
! 910: #endif
! 911: file->mode = mode;
! 912: if (preserve_uid)
! 913: F_OWNER(file) = uid;
! 914: if (preserve_gid) {
! 915: F_GROUP(file) = gid;
! 916: file->flags |= gid_flags;
! 917: }
! 918: if (unsort_ndx)
! 919: F_NDX(file) = flist->used + flist->ndx_start;
! 920:
! 921: if (basename != thisname) {
! 922: file->dirname = lastdir;
! 923: F_DEPTH(file) = lastdir_depth + 1;
! 924: } else
! 925: F_DEPTH(file) = 1;
! 926:
! 927: if (S_ISDIR(mode)) {
! 928: if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
! 929: F_DEPTH(file)--;
! 930: if (protocol_version >= 30) {
! 931: if (!(xflags & XMIT_NO_CONTENT_DIR)) {
! 932: if (xflags & XMIT_TOP_DIR)
! 933: file->flags |= FLAG_TOP_DIR;
! 934: file->flags |= FLAG_CONTENT_DIR;
! 935: } else if (xflags & XMIT_TOP_DIR)
! 936: file->flags |= FLAG_IMPLIED_DIR;
! 937: } else if (xflags & XMIT_TOP_DIR) {
! 938: in_del_hier = recurse;
! 939: del_hier_name_len = F_DEPTH(file) == 0 ? 0 : l1 + l2;
! 940: if (relative_paths && del_hier_name_len > 2
! 941: && lastname[del_hier_name_len-1] == '.'
! 942: && lastname[del_hier_name_len-2] == '/')
! 943: del_hier_name_len -= 2;
! 944: file->flags |= FLAG_TOP_DIR | FLAG_CONTENT_DIR;
! 945: } else if (in_del_hier) {
! 946: if (!relative_paths || !del_hier_name_len
! 947: || (l1 >= del_hier_name_len
! 948: && lastname[del_hier_name_len] == '/'))
! 949: file->flags |= FLAG_CONTENT_DIR;
! 950: else
! 951: in_del_hier = 0;
! 952: }
! 953: }
! 954:
! 955: if (preserve_devices && IS_DEVICE(mode)) {
! 956: uint32 *devp = F_RDEV_P(file);
! 957: DEV_MAJOR(devp) = major(rdev);
! 958: DEV_MINOR(devp) = minor(rdev);
! 959: }
! 960:
! 961: #ifdef SUPPORT_LINKS
! 962: if (linkname_len) {
! 963: bp += basename_len;
! 964: if (first_hlink_ndx >= flist->ndx_start) {
! 965: struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
! 966: memcpy(bp, F_SYMLINK(first), linkname_len);
! 967: } else {
! 968: if (munge_symlinks) {
! 969: strlcpy(bp, SYMLINK_PREFIX, linkname_len);
! 970: bp += SYMLINK_PREFIX_LEN;
! 971: linkname_len -= SYMLINK_PREFIX_LEN;
! 972: }
! 973: #ifdef ICONV_OPTION
! 974: if (sender_symlink_iconv) {
! 975: xbuf outbuf, inbuf;
! 976:
! 977: alloc_len = linkname_len;
! 978: linkname_len /= 2;
! 979:
! 980: /* Read the symlink data into the end of our double-sized
! 981: * buffer and then convert it into the right spot. */
! 982: INIT_XBUF(inbuf, bp + alloc_len - linkname_len,
! 983: linkname_len - 1, (size_t)-1);
! 984: read_sbuf(f, inbuf.buf, inbuf.len);
! 985: INIT_XBUF(outbuf, bp, 0, alloc_len);
! 986:
! 987: if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
! 988: io_error |= IOERR_GENERAL;
! 989: rprintf(FERROR_XFER,
! 990: "[%s] cannot convert symlink data for: %s (%s)\n",
! 991: who_am_i(), full_fname(thisname), strerror(errno));
! 992: bp = (char*)file->basename;
! 993: *bp++ = '\0';
! 994: outbuf.len = 0;
! 995: }
! 996: bp[outbuf.len] = '\0';
! 997: } else
! 998: #endif
! 999: read_sbuf(f, bp, linkname_len - 1);
! 1000: if (sanitize_paths && !munge_symlinks && *bp)
! 1001: sanitize_path(bp, bp, "", lastdir_depth, SP_DEFAULT);
! 1002: }
! 1003: }
! 1004: #endif
! 1005:
! 1006: #ifdef SUPPORT_HARD_LINKS
! 1007: if (preserve_hard_links && xflags & XMIT_HLINKED) {
! 1008: if (protocol_version >= 30) {
! 1009: if (xflags & XMIT_HLINK_FIRST) {
! 1010: F_HL_GNUM(file) = flist->ndx_start + flist->used;
! 1011: } else
! 1012: F_HL_GNUM(file) = first_hlink_ndx;
! 1013: } else {
! 1014: static int32 cnt = 0;
! 1015: struct ht_int64_node *np;
! 1016: int64 ino;
! 1017: int32 ndx;
! 1018: if (protocol_version < 26) {
! 1019: dev = read_int(f);
! 1020: ino = read_int(f);
! 1021: } else {
! 1022: if (!(xflags & XMIT_SAME_DEV_pre30))
! 1023: dev = read_longint(f);
! 1024: ino = read_longint(f);
! 1025: }
! 1026: np = idev_find(dev, ino);
! 1027: ndx = (int32)(long)np->data - 1;
! 1028: if (ndx < 0) {
! 1029: ndx = cnt++;
! 1030: np->data = (void*)(long)cnt;
! 1031: }
! 1032: F_HL_GNUM(file) = ndx;
! 1033: }
! 1034: }
! 1035: #endif
! 1036:
! 1037: if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
! 1038: if (S_ISREG(mode))
! 1039: bp = F_SUM(file);
! 1040: else {
! 1041: /* Prior to 28, we get a useless set of nulls. */
! 1042: bp = tmp_sum;
! 1043: }
! 1044: if (first_hlink_ndx >= flist->ndx_start) {
! 1045: struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
! 1046: memcpy(bp, F_SUM(first), checksum_len);
! 1047: } else
! 1048: read_buf(f, bp, checksum_len);
! 1049: }
! 1050:
! 1051: #ifdef SUPPORT_ACLS
! 1052: if (preserve_acls && !S_ISLNK(mode))
! 1053: receive_acl(f, file);
! 1054: #endif
! 1055: #ifdef SUPPORT_XATTRS
! 1056: if (preserve_xattrs)
! 1057: receive_xattr(f, file);
! 1058: #endif
! 1059:
! 1060: if (S_ISREG(mode) || S_ISLNK(mode))
! 1061: stats.total_size += file_length;
! 1062:
! 1063: return file;
! 1064: }
! 1065:
! 1066: /* Create a file_struct for a named file by reading its stat() information
! 1067: * and performing extensive checks against global options.
! 1068: *
! 1069: * Returns a pointer to the new file struct, or NULL if there was an error
! 1070: * or this file should be excluded.
! 1071: *
! 1072: * Note: Any error (here or in send_file_name) that results in the omission of
! 1073: * an existent source file from the file list should set
! 1074: * "io_error |= IOERR_GENERAL" to avoid deletion of the file from the
! 1075: * destination if --delete is on. */
! 1076: struct file_struct *make_file(const char *fname, struct file_list *flist,
! 1077: STRUCT_STAT *stp, int flags, int filter_level)
! 1078: {
! 1079: static char *lastdir;
! 1080: static int lastdir_len = -1;
! 1081: struct file_struct *file;
! 1082: char thisname[MAXPATHLEN];
! 1083: char linkname[MAXPATHLEN];
! 1084: int alloc_len, basename_len, linkname_len;
! 1085: int extra_len = file_extra_cnt * EXTRA_LEN;
! 1086: const char *basename;
! 1087: alloc_pool_t *pool;
! 1088: STRUCT_STAT st;
! 1089: char *bp;
! 1090:
! 1091: if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) {
! 1092: io_error |= IOERR_GENERAL;
! 1093: rprintf(FERROR_XFER, "skipping overly long name: %s\n", fname);
! 1094: return NULL;
! 1095: }
! 1096: clean_fname(thisname, 0);
! 1097: if (sanitize_paths)
! 1098: sanitize_path(thisname, thisname, "", 0, SP_DEFAULT);
! 1099:
! 1100: if (stp && S_ISDIR(stp->st_mode)) {
! 1101: st = *stp; /* Needed for "symlink/." with --relative. */
! 1102: *linkname = '\0'; /* make IBM code checker happy */
! 1103: } else if (readlink_stat(thisname, &st, linkname) != 0) {
! 1104: int save_errno = errno;
! 1105: /* See if file is excluded before reporting an error. */
! 1106: if (filter_level != NO_FILTERS
! 1107: && (is_excluded(thisname, 0, filter_level)
! 1108: || is_excluded(thisname, 1, filter_level))) {
! 1109: if (ignore_perishable && save_errno != ENOENT)
! 1110: non_perishable_cnt++;
! 1111: return NULL;
! 1112: }
! 1113: if (save_errno == ENOENT) {
! 1114: #ifdef SUPPORT_LINKS
! 1115: /* When our options tell us to follow a symlink that
! 1116: * points nowhere, tell the user about the symlink
! 1117: * instead of giving a "vanished" message. We only
! 1118: * dereference a symlink if one of the --copy*links
! 1119: * options was specified, so there's no need for the
! 1120: * extra lstat() if one of these options isn't on. */
! 1121: if ((copy_links || copy_unsafe_links || copy_dirlinks)
! 1122: && x_lstat(thisname, &st, NULL) == 0
! 1123: && S_ISLNK(st.st_mode)) {
! 1124: io_error |= IOERR_GENERAL;
! 1125: rprintf(FERROR_XFER, "symlink has no referent: %s\n",
! 1126: full_fname(thisname));
! 1127: } else
! 1128: #endif
! 1129: {
! 1130: enum logcode c = am_daemon && protocol_version < 28
! 1131: ? FERROR : FWARNING;
! 1132: io_error |= IOERR_VANISHED;
! 1133: rprintf(c, "file has vanished: %s\n",
! 1134: full_fname(thisname));
! 1135: }
! 1136: } else {
! 1137: io_error |= IOERR_GENERAL;
! 1138: rsyserr(FERROR_XFER, save_errno, "readlink_stat(%s) failed",
! 1139: full_fname(thisname));
! 1140: }
! 1141: return NULL;
! 1142: }
! 1143:
! 1144: if (filter_level == NO_FILTERS)
! 1145: goto skip_filters;
! 1146:
! 1147: if (S_ISDIR(st.st_mode)) {
! 1148: if (!xfer_dirs) {
! 1149: rprintf(FINFO, "skipping directory %s\n", thisname);
! 1150: return NULL;
! 1151: }
! 1152: /* -x only affects dirs because we need to avoid recursing
! 1153: * into a mount-point directory, not to avoid copying a
! 1154: * symlinked file if -L (or similar) was specified. */
! 1155: if (one_file_system && st.st_dev != filesystem_dev
! 1156: && BITS_SETnUNSET(flags, FLAG_CONTENT_DIR, FLAG_TOP_DIR)) {
! 1157: if (one_file_system > 1) {
! 1158: if (verbose > 1) {
! 1159: rprintf(FINFO,
! 1160: "[%s] skipping mount-point dir %s\n",
! 1161: who_am_i(), thisname);
! 1162: }
! 1163: return NULL;
! 1164: }
! 1165: flags |= FLAG_MOUNT_DIR;
! 1166: flags &= ~FLAG_CONTENT_DIR;
! 1167: }
! 1168: } else
! 1169: flags &= ~FLAG_CONTENT_DIR;
! 1170:
! 1171: if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
! 1172: if (ignore_perishable)
! 1173: non_perishable_cnt++;
! 1174: return NULL;
! 1175: }
! 1176:
! 1177: if (lp_ignore_nonreadable(module_id)) {
! 1178: #ifdef SUPPORT_LINKS
! 1179: if (!S_ISLNK(st.st_mode))
! 1180: #endif
! 1181: if (access(thisname, R_OK) != 0)
! 1182: return NULL;
! 1183: }
! 1184:
! 1185: skip_filters:
! 1186:
! 1187: /* Only divert a directory in the main transfer. */
! 1188: if (flist) {
! 1189: if (flist->prev && S_ISDIR(st.st_mode)
! 1190: && flags & FLAG_DIVERT_DIRS) {
! 1191: /* Room for parent/sibling/next-child info. */
! 1192: extra_len += DIRNODE_EXTRA_CNT * EXTRA_LEN;
! 1193: if (relative_paths)
! 1194: extra_len += PTR_EXTRA_CNT * EXTRA_LEN;
! 1195: pool = dir_flist->file_pool;
! 1196: } else
! 1197: pool = flist->file_pool;
! 1198: } else {
! 1199: #ifdef SUPPORT_ACLS
! 1200: /* Directories need an extra int32 for the default ACL. */
! 1201: if (preserve_acls && S_ISDIR(st.st_mode))
! 1202: extra_len += EXTRA_LEN;
! 1203: #endif
! 1204: pool = NULL;
! 1205: }
! 1206:
! 1207: if (verbose > 2) {
! 1208: rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
! 1209: who_am_i(), thisname, filter_level);
! 1210: }
! 1211:
! 1212: if ((basename = strrchr(thisname, '/')) != NULL) {
! 1213: int len = basename++ - thisname;
! 1214: if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
! 1215: lastdir = new_array(char, len + 1);
! 1216: memcpy(lastdir, thisname, len);
! 1217: lastdir[len] = '\0';
! 1218: lastdir_len = len;
! 1219: }
! 1220: } else
! 1221: basename = thisname;
! 1222: basename_len = strlen(basename) + 1; /* count the '\0' */
! 1223:
! 1224: #ifdef SUPPORT_LINKS
! 1225: linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
! 1226: #else
! 1227: linkname_len = 0;
! 1228: #endif
! 1229:
! 1230: #if SIZEOF_CAPITAL_OFF_T >= 8
! 1231: if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
! 1232: extra_len += EXTRA_LEN;
! 1233: #endif
! 1234:
! 1235: #if EXTRA_ROUNDING > 0
! 1236: if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
! 1237: extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
! 1238: #endif
! 1239:
! 1240: alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
! 1241: + linkname_len;
! 1242: if (pool)
! 1243: bp = pool_alloc(pool, alloc_len, "make_file");
! 1244: else {
! 1245: if (!(bp = new_array(char, alloc_len)))
! 1246: out_of_memory("make_file");
! 1247: }
! 1248:
! 1249: memset(bp, 0, extra_len + FILE_STRUCT_LEN);
! 1250: bp += extra_len;
! 1251: file = (struct file_struct *)bp;
! 1252: bp += FILE_STRUCT_LEN;
! 1253:
! 1254: memcpy(bp, basename, basename_len);
! 1255:
! 1256: #ifdef SUPPORT_HARD_LINKS
! 1257: if (preserve_hard_links && flist && flist->prev) {
! 1258: if (protocol_version >= 28
! 1259: ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
! 1260: : S_ISREG(st.st_mode)) {
! 1261: tmp_dev = (int64)st.st_dev;
! 1262: tmp_ino = (int64)st.st_ino;
! 1263: } else
! 1264: tmp_dev = -1;
! 1265: }
! 1266: #endif
! 1267:
! 1268: #ifdef HAVE_STRUCT_STAT_ST_RDEV
! 1269: if (IS_DEVICE(st.st_mode)) {
! 1270: tmp_rdev = st.st_rdev;
! 1271: st.st_size = 0;
! 1272: } else if (IS_SPECIAL(st.st_mode))
! 1273: st.st_size = 0;
! 1274: #endif
! 1275:
! 1276: file->flags = flags;
! 1277: file->modtime = st.st_mtime;
! 1278: file->len32 = (uint32)st.st_size;
! 1279: #if SIZEOF_CAPITAL_OFF_T >= 8
! 1280: if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
! 1281: file->flags |= FLAG_LENGTH64;
! 1282: OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
! 1283: }
! 1284: #endif
! 1285: file->mode = st.st_mode;
! 1286: if (preserve_uid)
! 1287: F_OWNER(file) = st.st_uid;
! 1288: if (preserve_gid)
! 1289: F_GROUP(file) = st.st_gid;
! 1290: if (am_generator && st.st_uid == our_uid)
! 1291: file->flags |= FLAG_OWNED_BY_US;
! 1292:
! 1293: if (basename != thisname)
! 1294: file->dirname = lastdir;
! 1295:
! 1296: #ifdef SUPPORT_LINKS
! 1297: if (linkname_len)
! 1298: memcpy(bp + basename_len, linkname, linkname_len);
! 1299: #endif
! 1300:
! 1301: if (always_checksum && am_sender && S_ISREG(st.st_mode))
! 1302: file_checksum(thisname, tmp_sum, st.st_size);
! 1303:
! 1304: if (am_sender)
! 1305: F_PATHNAME(file) = pathname;
! 1306: else if (!pool)
! 1307: F_DEPTH(file) = extra_len / EXTRA_LEN;
! 1308:
! 1309: if (basename_len == 0+1) {
! 1310: if (!pool)
! 1311: unmake_file(file);
! 1312: return NULL;
! 1313: }
! 1314:
! 1315: if (unsort_ndx)
! 1316: F_NDX(file) = dir_count;
! 1317:
! 1318: return file;
! 1319: }
! 1320:
! 1321: /* Only called for temporary file_struct entries created by make_file(). */
! 1322: void unmake_file(struct file_struct *file)
! 1323: {
! 1324: free(REQ_EXTRA(file, F_DEPTH(file)));
! 1325: }
! 1326:
! 1327: static struct file_struct *send_file_name(int f, struct file_list *flist,
! 1328: const char *fname, STRUCT_STAT *stp,
! 1329: int flags, int filter_level)
! 1330: {
! 1331: struct file_struct *file;
! 1332:
! 1333: file = make_file(fname, flist, stp, flags, filter_level);
! 1334: if (!file)
! 1335: return NULL;
! 1336:
! 1337: if (chmod_modes && !S_ISLNK(file->mode))
! 1338: file->mode = tweak_mode(file->mode, chmod_modes);
! 1339:
! 1340: if (f >= 0) {
! 1341: char fbuf[MAXPATHLEN];
! 1342: #ifdef SUPPORT_LINKS
! 1343: const char *symlink_name;
! 1344: int symlink_len;
! 1345: #ifdef ICONV_OPTION
! 1346: char symlink_buf[MAXPATHLEN];
! 1347: #endif
! 1348: #endif
! 1349: #if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
! 1350: stat_x sx;
! 1351: #endif
! 1352:
! 1353: #ifdef SUPPORT_LINKS
! 1354: if (preserve_links && S_ISLNK(file->mode)) {
! 1355: symlink_name = F_SYMLINK(file);
! 1356: symlink_len = strlen(symlink_name);
! 1357: if (symlink_len == 0) {
! 1358: io_error |= IOERR_GENERAL;
! 1359: f_name(file, fbuf);
! 1360: rprintf(FERROR_XFER,
! 1361: "skipping symlink with 0-length value: %s\n",
! 1362: full_fname(fbuf));
! 1363: return NULL;
! 1364: }
! 1365: } else {
! 1366: symlink_name = NULL;
! 1367: symlink_len = 0;
! 1368: }
! 1369: #endif
! 1370:
! 1371: #ifdef ICONV_OPTION
! 1372: if (ic_send != (iconv_t)-1) {
! 1373: xbuf outbuf, inbuf;
! 1374:
! 1375: INIT_CONST_XBUF(outbuf, fbuf);
! 1376:
! 1377: if (file->dirname) {
! 1378: INIT_XBUF_STRLEN(inbuf, (char*)file->dirname);
! 1379: outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */
! 1380: if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0)
! 1381: goto convert_error;
! 1382: outbuf.size += 2;
! 1383: fbuf[outbuf.len++] = '/';
! 1384: }
! 1385:
! 1386: INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
! 1387: if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
! 1388: convert_error:
! 1389: io_error |= IOERR_GENERAL;
! 1390: rprintf(FERROR_XFER,
! 1391: "[%s] cannot convert filename: %s (%s)\n",
! 1392: who_am_i(), f_name(file, fbuf), strerror(errno));
! 1393: return NULL;
! 1394: }
! 1395: fbuf[outbuf.len] = '\0';
! 1396:
! 1397: #ifdef SUPPORT_LINKS
! 1398: if (symlink_len && sender_symlink_iconv) {
! 1399: INIT_XBUF(inbuf, (char*)symlink_name, symlink_len, (size_t)-1);
! 1400: INIT_CONST_XBUF(outbuf, symlink_buf);
! 1401: if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
! 1402: io_error |= IOERR_GENERAL;
! 1403: f_name(file, fbuf);
! 1404: rprintf(FERROR_XFER,
! 1405: "[%s] cannot convert symlink data for: %s (%s)\n",
! 1406: who_am_i(), full_fname(fbuf), strerror(errno));
! 1407: return NULL;
! 1408: }
! 1409: symlink_buf[outbuf.len] = '\0';
! 1410:
! 1411: symlink_name = symlink_buf;
! 1412: symlink_len = outbuf.len;
! 1413: }
! 1414: #endif
! 1415: } else
! 1416: #endif
! 1417: f_name(file, fbuf);
! 1418:
! 1419: #ifdef SUPPORT_ACLS
! 1420: if (preserve_acls && !S_ISLNK(file->mode)) {
! 1421: sx.st.st_mode = file->mode;
! 1422: sx.acc_acl = sx.def_acl = NULL;
! 1423: if (get_acl(fname, &sx) < 0) {
! 1424: io_error |= IOERR_GENERAL;
! 1425: return NULL;
! 1426: }
! 1427: }
! 1428: #endif
! 1429: #ifdef SUPPORT_XATTRS
! 1430: if (preserve_xattrs) {
! 1431: sx.st.st_mode = file->mode;
! 1432: sx.xattr = NULL;
! 1433: if (get_xattr(fname, &sx) < 0) {
! 1434: io_error |= IOERR_GENERAL;
! 1435: return NULL;
! 1436: }
! 1437: }
! 1438: #endif
! 1439:
! 1440: send_file_entry(f, fbuf, file,
! 1441: #ifdef SUPPORT_LINKS
! 1442: symlink_name, symlink_len,
! 1443: #endif
! 1444: flist->used, flist->ndx_start);
! 1445:
! 1446: #ifdef SUPPORT_ACLS
! 1447: if (preserve_acls && !S_ISLNK(file->mode)) {
! 1448: send_acl(f, &sx);
! 1449: free_acl(&sx);
! 1450: }
! 1451: #endif
! 1452: #ifdef SUPPORT_XATTRS
! 1453: if (preserve_xattrs) {
! 1454: F_XATTR(file) = send_xattr(f, &sx);
! 1455: free_xattr(&sx);
! 1456: }
! 1457: #endif
! 1458: }
! 1459:
! 1460: maybe_emit_filelist_progress(flist->used + flist_count_offset);
! 1461:
! 1462: flist_expand(flist, 1);
! 1463: flist->files[flist->used++] = file;
! 1464:
! 1465: return file;
! 1466: }
! 1467:
! 1468: static void send_if_directory(int f, struct file_list *flist,
! 1469: struct file_struct *file,
! 1470: char *fbuf, unsigned int ol,
! 1471: int flags)
! 1472: {
! 1473: char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
! 1474:
! 1475: if (S_ISDIR(file->mode)
! 1476: && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
! 1477: void *save_filters;
! 1478: unsigned int len = strlen(fbuf);
! 1479: if (len > 1 && fbuf[len-1] == '/')
! 1480: fbuf[--len] = '\0';
! 1481: save_filters = push_local_filters(fbuf, len);
! 1482: send_directory(f, flist, fbuf, len, flags);
! 1483: pop_local_filters(save_filters);
! 1484: fbuf[ol] = '\0';
! 1485: if (is_dot_dir)
! 1486: fbuf[ol-1] = '.';
! 1487: }
! 1488: }
! 1489:
! 1490: static int file_compare(const void *file1, const void *file2)
! 1491: {
! 1492: return f_name_cmp(*(struct file_struct **)file1,
! 1493: *(struct file_struct **)file2);
! 1494: }
! 1495:
! 1496: /* The guts of a merge-sort algorithm. This was derived from the glibc
! 1497: * version, but I (Wayne) changed the merge code to do less copying and
! 1498: * to require only half the amount of temporary memory. */
! 1499: static void fsort_tmp(struct file_struct **fp, size_t num,
! 1500: struct file_struct **tmp)
! 1501: {
! 1502: struct file_struct **f1, **f2, **t;
! 1503: size_t n1, n2;
! 1504:
! 1505: n1 = num / 2;
! 1506: n2 = num - n1;
! 1507: f1 = fp;
! 1508: f2 = fp + n1;
! 1509:
! 1510: if (n1 > 1)
! 1511: fsort_tmp(f1, n1, tmp);
! 1512: if (n2 > 1)
! 1513: fsort_tmp(f2, n2, tmp);
! 1514:
! 1515: while (f_name_cmp(*f1, *f2) <= 0) {
! 1516: if (!--n1)
! 1517: return;
! 1518: f1++;
! 1519: }
! 1520:
! 1521: t = tmp;
! 1522: memcpy(t, f1, n1 * PTR_SIZE);
! 1523:
! 1524: *f1++ = *f2++, n2--;
! 1525:
! 1526: while (n1 > 0 && n2 > 0) {
! 1527: if (f_name_cmp(*t, *f2) <= 0)
! 1528: *f1++ = *t++, n1--;
! 1529: else
! 1530: *f1++ = *f2++, n2--;
! 1531: }
! 1532:
! 1533: if (n1 > 0)
! 1534: memcpy(f1, t, n1 * PTR_SIZE);
! 1535: }
! 1536:
! 1537: /* This file-struct sorting routine makes sure that any identical names in
! 1538: * the file list stay in the same order as they were in the original list.
! 1539: * This is particularly vital in inc_recurse mode where we expect a sort
! 1540: * on the flist to match the exact order of a sort on the dir_flist. */
! 1541: static void fsort(struct file_struct **fp, size_t num)
! 1542: {
! 1543: if (num <= 1)
! 1544: return;
! 1545:
! 1546: if (use_qsort)
! 1547: qsort(fp, num, PTR_SIZE, file_compare);
! 1548: else {
! 1549: struct file_struct **tmp = new_array(struct file_struct *,
! 1550: (num+1) / 2);
! 1551: fsort_tmp(fp, num, tmp);
! 1552: free(tmp);
! 1553: }
! 1554: }
! 1555:
! 1556: /* We take an entire set of sibling dirs from the sorted flist and link them
! 1557: * into the tree, setting the appropriate parent/child/sibling pointers. */
! 1558: static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist,
! 1559: int dir_cnt)
! 1560: {
! 1561: int i;
! 1562: int32 *dp = NULL;
! 1563: int32 *parent_dp = parent_ndx < 0 ? NULL
! 1564: : F_DIR_NODE_P(dir_flist->sorted[parent_ndx]);
! 1565:
! 1566: flist_expand(dir_flist, dir_cnt);
! 1567: dir_flist->sorted = dir_flist->files;
! 1568:
! 1569: for (i = 0; dir_cnt; i++) {
! 1570: struct file_struct *file = from_flist->sorted[i];
! 1571:
! 1572: if (!S_ISDIR(file->mode))
! 1573: continue;
! 1574:
! 1575: dir_flist->files[dir_flist->used++] = file;
! 1576: dir_cnt--;
! 1577:
! 1578: if (file->basename[0] == '.' && file->basename[1] == '\0')
! 1579: continue;
! 1580:
! 1581: if (dp)
! 1582: DIR_NEXT_SIBLING(dp) = dir_flist->used - 1;
! 1583: else if (parent_dp)
! 1584: DIR_FIRST_CHILD(parent_dp) = dir_flist->used - 1;
! 1585: else
! 1586: send_dir_ndx = dir_flist->used - 1;
! 1587:
! 1588: dp = F_DIR_NODE_P(file);
! 1589: DIR_PARENT(dp) = parent_ndx;
! 1590: DIR_FIRST_CHILD(dp) = -1;
! 1591: }
! 1592: if (dp)
! 1593: DIR_NEXT_SIBLING(dp) = -1;
! 1594: }
! 1595:
! 1596: static void interpret_stat_error(const char *fname, int is_dir)
! 1597: {
! 1598: if (errno == ENOENT) {
! 1599: io_error |= IOERR_VANISHED;
! 1600: rprintf(FWARNING, "%s has vanished: %s\n",
! 1601: is_dir ? "directory" : "file", full_fname(fname));
! 1602: } else {
! 1603: io_error |= IOERR_GENERAL;
! 1604: rsyserr(FERROR_XFER, errno, "link_stat %s failed",
! 1605: full_fname(fname));
! 1606: }
! 1607: }
! 1608:
! 1609: /* This function is normally called by the sender, but the receiving side also
! 1610: * calls it from get_dirlist() with f set to -1 so that we just construct the
! 1611: * file list in memory without sending it over the wire. Also, get_dirlist()
! 1612: * might call this with f set to -2, which also indicates that local filter
! 1613: * rules should be ignored. */
! 1614: static void send_directory(int f, struct file_list *flist, char *fbuf, int len,
! 1615: int flags)
! 1616: {
! 1617: struct dirent *di;
! 1618: unsigned remainder;
! 1619: char *p;
! 1620: DIR *d;
! 1621: int divert_dirs = (flags & FLAG_DIVERT_DIRS) != 0;
! 1622: int start = flist->used;
! 1623: int filter_level = f == -2 ? SERVER_FILTERS : ALL_FILTERS;
! 1624:
! 1625: assert(flist != NULL);
! 1626:
! 1627: if (!(d = opendir(fbuf))) {
! 1628: if (errno == ENOENT) {
! 1629: if (am_sender) /* Can abuse this for vanished error w/ENOENT: */
! 1630: interpret_stat_error(fbuf, True);
! 1631: return;
! 1632: }
! 1633: io_error |= IOERR_GENERAL;
! 1634: rsyserr(FERROR_XFER, errno, "opendir %s failed", full_fname(fbuf));
! 1635: return;
! 1636: }
! 1637:
! 1638: p = fbuf + len;
! 1639: if (len == 1 && *fbuf == '/')
! 1640: remainder = MAXPATHLEN - 1;
! 1641: else if (len < MAXPATHLEN-1) {
! 1642: *p++ = '/';
! 1643: *p = '\0';
! 1644: remainder = MAXPATHLEN - (len + 1);
! 1645: } else
! 1646: remainder = 0;
! 1647:
! 1648: for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
! 1649: unsigned name_len;
! 1650: char *dname = d_name(di);
! 1651: if (dname[0] == '.' && (dname[1] == '\0'
! 1652: || (dname[1] == '.' && dname[2] == '\0')))
! 1653: continue;
! 1654: name_len = strlcpy(p, dname, remainder);
! 1655: if (name_len >= remainder) {
! 1656: char save = fbuf[len];
! 1657: fbuf[len] = '\0';
! 1658: io_error |= IOERR_GENERAL;
! 1659: rprintf(FERROR_XFER,
! 1660: "filename overflows max-path len by %u: %s/%s\n",
! 1661: name_len - remainder + 1, fbuf, dname);
! 1662: fbuf[len] = save;
! 1663: continue;
! 1664: }
! 1665: if (dname[0] == '\0') {
! 1666: io_error |= IOERR_GENERAL;
! 1667: rprintf(FERROR_XFER,
! 1668: "cannot send file with empty name in %s\n",
! 1669: full_fname(fbuf));
! 1670: continue;
! 1671: }
! 1672:
! 1673: send_file_name(f, flist, fbuf, NULL, flags, filter_level);
! 1674: }
! 1675:
! 1676: fbuf[len] = '\0';
! 1677:
! 1678: if (errno) {
! 1679: io_error |= IOERR_GENERAL;
! 1680: rsyserr(FERROR_XFER, errno, "readdir(%s)", full_fname(fbuf));
! 1681: }
! 1682:
! 1683: closedir(d);
! 1684:
! 1685: if (f >= 0 && recurse && !divert_dirs) {
! 1686: int i, end = flist->used - 1;
! 1687: /* send_if_directory() bumps flist->used, so use "end". */
! 1688: for (i = start; i <= end; i++)
! 1689: send_if_directory(f, flist, flist->files[i], fbuf, len, flags);
! 1690: }
! 1691: }
! 1692:
! 1693: static void send_implied_dirs(int f, struct file_list *flist, char *fname,
! 1694: char *start, char *limit, int flags, char name_type)
! 1695: {
! 1696: static char lastpath[MAXPATHLEN] = "";
! 1697: static int lastpath_len = 0;
! 1698: static struct file_struct *lastpath_struct = NULL;
! 1699: struct file_struct *file;
! 1700: item_list *relname_list;
! 1701: relnamecache **rnpp;
! 1702: int len, need_new_dir, depth = 0;
! 1703: struct filter_list_struct save_filter_list = filter_list;
! 1704:
! 1705: flags = (flags | FLAG_IMPLIED_DIR) & ~(FLAG_TOP_DIR | FLAG_CONTENT_DIR);
! 1706: filter_list.head = filter_list.tail = NULL; /* Don't filter implied dirs. */
! 1707:
! 1708: if (inc_recurse) {
! 1709: if (lastpath_struct && F_PATHNAME(lastpath_struct) == pathname
! 1710: && lastpath_len == limit - fname
! 1711: && strncmp(lastpath, fname, lastpath_len) == 0)
! 1712: need_new_dir = 0;
! 1713: else
! 1714: need_new_dir = 1;
! 1715: } else {
! 1716: char *tp = fname, *lp = lastpath;
! 1717: /* Skip any initial directories in our path that we
! 1718: * have in common with lastpath. */
! 1719: assert(start == fname);
! 1720: for ( ; ; tp++, lp++) {
! 1721: if (tp == limit) {
! 1722: if (*lp == '/' || *lp == '\0')
! 1723: goto done;
! 1724: break;
! 1725: }
! 1726: if (*lp != *tp)
! 1727: break;
! 1728: if (*tp == '/') {
! 1729: start = tp;
! 1730: depth++;
! 1731: }
! 1732: }
! 1733: need_new_dir = 1;
! 1734: }
! 1735:
! 1736: if (need_new_dir) {
! 1737: int save_copy_links = copy_links;
! 1738: int save_xfer_dirs = xfer_dirs;
! 1739: char *slash;
! 1740:
! 1741: copy_links = xfer_dirs = 1;
! 1742:
! 1743: *limit = '\0';
! 1744:
! 1745: for (slash = start; (slash = strchr(slash+1, '/')) != NULL; ) {
! 1746: *slash = '\0';
! 1747: file = send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS);
! 1748: depth++;
! 1749: if (!inc_recurse && file && S_ISDIR(file->mode))
! 1750: change_local_filter_dir(fname, strlen(fname), depth);
! 1751: *slash = '/';
! 1752: }
! 1753:
! 1754: file = send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS);
! 1755: if (inc_recurse) {
! 1756: if (file && !S_ISDIR(file->mode))
! 1757: file = NULL;
! 1758: lastpath_struct = file;
! 1759: } else if (file && S_ISDIR(file->mode))
! 1760: change_local_filter_dir(fname, strlen(fname), ++depth);
! 1761:
! 1762: strlcpy(lastpath, fname, sizeof lastpath);
! 1763: lastpath_len = limit - fname;
! 1764:
! 1765: *limit = '/';
! 1766:
! 1767: copy_links = save_copy_links;
! 1768: xfer_dirs = save_xfer_dirs;
! 1769:
! 1770: if (!inc_recurse)
! 1771: goto done;
! 1772: }
! 1773:
! 1774: if (!lastpath_struct)
! 1775: goto done; /* dir must have vanished */
! 1776:
! 1777: len = strlen(limit+1);
! 1778: memcpy(&relname_list, F_DIR_RELNAMES_P(lastpath_struct), sizeof relname_list);
! 1779: if (!relname_list) {
! 1780: if (!(relname_list = new0(item_list)))
! 1781: out_of_memory("send_implied_dirs");
! 1782: memcpy(F_DIR_RELNAMES_P(lastpath_struct), &relname_list, sizeof relname_list);
! 1783: }
! 1784: rnpp = EXPAND_ITEM_LIST(relname_list, relnamecache *, 32);
! 1785: if (!(*rnpp = (relnamecache*)new_array(char, sizeof (relnamecache) + len)))
! 1786: out_of_memory("send_implied_dirs");
! 1787: (*rnpp)->name_type = name_type;
! 1788: strlcpy((*rnpp)->fname, limit+1, len + 1);
! 1789:
! 1790: done:
! 1791: filter_list = save_filter_list;
! 1792: }
! 1793:
! 1794: static NORETURN void fatal_unsafe_io_error(void)
! 1795: {
! 1796: /* This (sadly) can only happen when pushing data because
! 1797: * the sender does not know about what kind of delete
! 1798: * is in effect on the receiving side when pulling. */
! 1799: rprintf(FERROR_XFER, "FATAL I/O ERROR: dying to avoid a --delete-during issue with a pre-3.0.7 receiver.\n");
! 1800: exit_cleanup(RERR_UNSUPPORTED);
! 1801: }
! 1802:
! 1803: static void send1extra(int f, struct file_struct *file, struct file_list *flist)
! 1804: {
! 1805: char fbuf[MAXPATHLEN];
! 1806: item_list *relname_list;
! 1807: int len, dlen, flags = FLAG_DIVERT_DIRS | FLAG_CONTENT_DIR;
! 1808: size_t j;
! 1809:
! 1810: f_name(file, fbuf);
! 1811: dlen = strlen(fbuf);
! 1812:
! 1813: if (!change_pathname(file, NULL, 0))
! 1814: exit_cleanup(RERR_FILESELECT);
! 1815:
! 1816: change_local_filter_dir(fbuf, dlen, send_dir_depth);
! 1817:
! 1818: if (file->flags & FLAG_CONTENT_DIR) {
! 1819: if (one_file_system) {
! 1820: STRUCT_STAT st;
! 1821: if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
! 1822: interpret_stat_error(fbuf, True);
! 1823: return;
! 1824: }
! 1825: filesystem_dev = st.st_dev;
! 1826: }
! 1827: send_directory(f, flist, fbuf, dlen, flags);
! 1828: }
! 1829:
! 1830: if (!relative_paths)
! 1831: return;
! 1832:
! 1833: memcpy(&relname_list, F_DIR_RELNAMES_P(file), sizeof relname_list);
! 1834: if (!relname_list)
! 1835: return;
! 1836:
! 1837: for (j = 0; j < relname_list->count; j++) {
! 1838: char *slash;
! 1839: relnamecache *rnp = ((relnamecache**)relname_list->items)[j];
! 1840: char name_type = rnp->name_type;
! 1841:
! 1842: fbuf[dlen] = '/';
! 1843: len = strlcpy(fbuf + dlen + 1, rnp->fname, sizeof fbuf - dlen - 1);
! 1844: free(rnp);
! 1845: if (len >= (int)sizeof fbuf)
! 1846: continue; /* Impossible... */
! 1847:
! 1848: slash = strchr(fbuf+dlen+1, '/');
! 1849: if (slash) {
! 1850: send_implied_dirs(f, flist, fbuf, fbuf+dlen+1, slash, flags, name_type);
! 1851: continue;
! 1852: }
! 1853:
! 1854: if (name_type != NORMAL_NAME) {
! 1855: STRUCT_STAT st;
! 1856: if (link_stat(fbuf, &st, 1) != 0) {
! 1857: interpret_stat_error(fbuf, True);
! 1858: continue;
! 1859: }
! 1860: send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR | flags, ALL_FILTERS);
! 1861: } else
! 1862: send_file_name(f, flist, fbuf, NULL, FLAG_TOP_DIR | flags, ALL_FILTERS);
! 1863: }
! 1864:
! 1865: free(relname_list);
! 1866: }
! 1867:
! 1868: void send_extra_file_list(int f, int at_least)
! 1869: {
! 1870: struct file_list *flist;
! 1871: int64 start_write;
! 1872: uint16 prev_flags;
! 1873: int old_cnt, save_io_error = io_error;
! 1874:
! 1875: if (flist_eof)
! 1876: return;
! 1877:
! 1878: /* Keep sending data until we have the requested number of
! 1879: * files in the upcoming file-lists. */
! 1880: old_cnt = cur_flist->used;
! 1881: for (flist = first_flist; flist != cur_flist; flist = flist->next)
! 1882: old_cnt += flist->used;
! 1883: while (file_total - old_cnt < at_least) {
! 1884: struct file_struct *file = dir_flist->sorted[send_dir_ndx];
! 1885: int dir_ndx, dstart = dir_count;
! 1886: const char *pathname = F_PATHNAME(file);
! 1887: int32 *dp;
! 1888:
! 1889: flist = flist_new(0, "send_extra_file_list");
! 1890: start_write = stats.total_written;
! 1891:
! 1892: if (unsort_ndx)
! 1893: dir_ndx = F_NDX(file);
! 1894: else
! 1895: dir_ndx = send_dir_ndx;
! 1896: write_ndx(f, NDX_FLIST_OFFSET - dir_ndx);
! 1897: flist->parent_ndx = dir_ndx;
! 1898:
! 1899: send1extra(f, file, flist);
! 1900: prev_flags = file->flags;
! 1901: dp = F_DIR_NODE_P(file);
! 1902:
! 1903: /* If there are any duplicate directory names that follow, we
! 1904: * send all the dirs together in one file-list. The dir_flist
! 1905: * tree links all the child subdirs onto the last dup dir. */
! 1906: while ((dir_ndx = DIR_NEXT_SIBLING(dp)) >= 0
! 1907: && dir_flist->sorted[dir_ndx]->flags & FLAG_DUPLICATE) {
! 1908: send_dir_ndx = dir_ndx;
! 1909: file = dir_flist->sorted[dir_ndx];
! 1910: /* Try to avoid some duplicate scanning of identical dirs. */
! 1911: if (F_PATHNAME(file) == pathname && prev_flags & FLAG_CONTENT_DIR)
! 1912: file->flags &= ~FLAG_CONTENT_DIR;
! 1913: send1extra(f, file, flist);
! 1914: prev_flags = file->flags;
! 1915: dp = F_DIR_NODE_P(file);
! 1916: }
! 1917:
! 1918: if (io_error == save_io_error || ignore_errors)
! 1919: write_byte(f, 0);
! 1920: else if (use_safe_inc_flist) {
! 1921: write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
! 1922: write_varint(f, io_error);
! 1923: } else {
! 1924: if (delete_during)
! 1925: fatal_unsafe_io_error();
! 1926: write_byte(f, 0);
! 1927: }
! 1928:
! 1929: if (need_unsorted_flist) {
! 1930: if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
! 1931: out_of_memory("send_extra_file_list");
! 1932: memcpy(flist->sorted, flist->files,
! 1933: flist->used * sizeof (struct file_struct*));
! 1934: } else
! 1935: flist->sorted = flist->files;
! 1936:
! 1937: flist_sort_and_clean(flist, 0);
! 1938:
! 1939: add_dirs_to_tree(send_dir_ndx, flist, dir_count - dstart);
! 1940: flist_done_allocating(flist);
! 1941:
! 1942: file_total += flist->used;
! 1943: stats.flist_size += stats.total_written - start_write;
! 1944: stats.num_files += flist->used;
! 1945: if (verbose > 3)
! 1946: output_flist(flist);
! 1947:
! 1948: if (DIR_FIRST_CHILD(dp) >= 0) {
! 1949: send_dir_ndx = DIR_FIRST_CHILD(dp);
! 1950: send_dir_depth++;
! 1951: } else {
! 1952: while (DIR_NEXT_SIBLING(dp) < 0) {
! 1953: if ((send_dir_ndx = DIR_PARENT(dp)) < 0) {
! 1954: write_ndx(f, NDX_FLIST_EOF);
! 1955: flist_eof = 1;
! 1956: change_local_filter_dir(NULL, 0, 0);
! 1957: goto finish;
! 1958: }
! 1959: send_dir_depth--;
! 1960: file = dir_flist->sorted[send_dir_ndx];
! 1961: dp = F_DIR_NODE_P(file);
! 1962: }
! 1963: send_dir_ndx = DIR_NEXT_SIBLING(dp);
! 1964: }
! 1965: }
! 1966:
! 1967: finish:
! 1968: if (io_error != save_io_error && !ignore_errors)
! 1969: send_msg_int(MSG_IO_ERROR, io_error);
! 1970: }
! 1971:
! 1972: struct file_list *send_file_list(int f, int argc, char *argv[])
! 1973: {
! 1974: static const char *lastdir;
! 1975: static int lastdir_len = -1;
! 1976: int len, dirlen;
! 1977: STRUCT_STAT st;
! 1978: char *p, *dir;
! 1979: struct file_list *flist;
! 1980: struct timeval start_tv, end_tv;
! 1981: int64 start_write;
! 1982: int use_ff_fd = 0;
! 1983: int disable_buffering;
! 1984: int flags = recurse ? FLAG_CONTENT_DIR : 0;
! 1985: int reading_remotely = filesfrom_host != NULL;
! 1986: int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS)
! 1987: #ifdef ICONV_OPTION
! 1988: | (filesfrom_convert ? RL_CONVERT : 0)
! 1989: #endif
! 1990: | (eol_nulls || reading_remotely ? RL_EOL_NULLS : 0);
! 1991: int implied_dot_dir = 0;
! 1992:
! 1993: rprintf(FLOG, "building file list\n");
! 1994: if (show_filelist_p())
! 1995: start_filelist_progress("building file list");
! 1996: else if (inc_recurse && verbose && !am_server)
! 1997: rprintf(FCLIENT, "sending incremental file list\n");
! 1998:
! 1999: start_write = stats.total_written;
! 2000: gettimeofday(&start_tv, NULL);
! 2001:
! 2002: if (relative_paths && protocol_version >= 30)
! 2003: implied_dirs = 1; /* We send flagged implied dirs */
! 2004:
! 2005: #ifdef SUPPORT_HARD_LINKS
! 2006: if (preserve_hard_links && protocol_version >= 30 && !cur_flist)
! 2007: init_hard_links();
! 2008: #endif
! 2009:
! 2010: flist = cur_flist = flist_new(0, "send_file_list");
! 2011: if (inc_recurse) {
! 2012: dir_flist = flist_new(FLIST_TEMP, "send_file_list");
! 2013: flags |= FLAG_DIVERT_DIRS;
! 2014: } else
! 2015: dir_flist = cur_flist;
! 2016:
! 2017: disable_buffering = io_start_buffering_out(f);
! 2018: if (filesfrom_fd >= 0) {
! 2019: if (argv[0] && !change_dir(argv[0], CD_NORMAL)) {
! 2020: rsyserr(FERROR_XFER, errno, "change_dir %s failed",
! 2021: full_fname(argv[0]));
! 2022: exit_cleanup(RERR_FILESELECT);
! 2023: }
! 2024: use_ff_fd = 1;
! 2025: }
! 2026:
! 2027: if (!orig_dir)
! 2028: orig_dir = strdup(curr_dir);
! 2029:
! 2030: while (1) {
! 2031: char fbuf[MAXPATHLEN], *fn, name_type;
! 2032:
! 2033: if (use_ff_fd) {
! 2034: if (read_line(filesfrom_fd, fbuf, sizeof fbuf, rl_flags) == 0)
! 2035: break;
! 2036: sanitize_path(fbuf, fbuf, "", 0, SP_KEEP_DOT_DIRS);
! 2037: } else {
! 2038: if (argc-- == 0)
! 2039: break;
! 2040: strlcpy(fbuf, *argv++, MAXPATHLEN);
! 2041: if (sanitize_paths)
! 2042: sanitize_path(fbuf, fbuf, "", 0, SP_KEEP_DOT_DIRS);
! 2043: }
! 2044:
! 2045: len = strlen(fbuf);
! 2046: if (relative_paths) {
! 2047: /* We clean up fbuf below. */
! 2048: name_type = NORMAL_NAME;
! 2049: } else if (!len || fbuf[len - 1] == '/') {
! 2050: if (len == 2 && fbuf[0] == '.') {
! 2051: /* Turn "./" into just "." rather than "./." */
! 2052: fbuf[--len] = '\0';
! 2053: } else {
! 2054: if (len + 1 >= MAXPATHLEN)
! 2055: overflow_exit("send_file_list");
! 2056: fbuf[len++] = '.';
! 2057: fbuf[len] = '\0';
! 2058: }
! 2059: name_type = DOTDIR_NAME;
! 2060: } else if (len > 1 && fbuf[len-1] == '.' && fbuf[len-2] == '.'
! 2061: && (len == 2 || fbuf[len-3] == '/')) {
! 2062: if (len + 2 >= MAXPATHLEN)
! 2063: overflow_exit("send_file_list");
! 2064: fbuf[len++] = '/';
! 2065: fbuf[len++] = '.';
! 2066: fbuf[len] = '\0';
! 2067: name_type = DOTDIR_NAME;
! 2068: } else if (fbuf[len-1] == '.' && (len == 1 || fbuf[len-2] == '/'))
! 2069: name_type = DOTDIR_NAME;
! 2070: else
! 2071: name_type = NORMAL_NAME;
! 2072:
! 2073: dir = NULL;
! 2074:
! 2075: if (!relative_paths) {
! 2076: p = strrchr(fbuf, '/');
! 2077: if (p) {
! 2078: *p = '\0';
! 2079: if (p == fbuf)
! 2080: dir = "/";
! 2081: else
! 2082: dir = fbuf;
! 2083: len -= p - fbuf + 1;
! 2084: fn = p + 1;
! 2085: } else
! 2086: fn = fbuf;
! 2087: } else {
! 2088: if ((p = strstr(fbuf, "/./")) != NULL) {
! 2089: *p = '\0';
! 2090: if (p == fbuf)
! 2091: dir = "/";
! 2092: else {
! 2093: dir = fbuf;
! 2094: clean_fname(dir, 0);
! 2095: }
! 2096: fn = p + 3;
! 2097: while (*fn == '/')
! 2098: fn++;
! 2099: if (!*fn)
! 2100: *--fn = '\0'; /* ensure room for '.' */
! 2101: } else
! 2102: fn = fbuf;
! 2103: /* A leading ./ can be used in relative mode to affect
! 2104: * the dest dir without its name being in the path. */
! 2105: if (*fn == '.' && fn[1] == '/' && fn[2] && !implied_dot_dir)
! 2106: implied_dot_dir = -1;
! 2107: len = clean_fname(fn, CFN_KEEP_TRAILING_SLASH
! 2108: | CFN_DROP_TRAILING_DOT_DIR);
! 2109: if (len == 1) {
! 2110: if (fn[0] == '/') {
! 2111: fn = "/.";
! 2112: len = 2;
! 2113: name_type = DOTDIR_NAME;
! 2114: } else if (fn[0] == '.')
! 2115: name_type = DOTDIR_NAME;
! 2116: } else if (fn[len-1] == '/') {
! 2117: fn[--len] = '\0';
! 2118: if (len == 1 && *fn == '.')
! 2119: name_type = DOTDIR_NAME;
! 2120: else
! 2121: name_type = SLASH_ENDING_NAME;
! 2122: }
! 2123: /* Reject a ".." dir in the active part of the path. */
! 2124: for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) {
! 2125: if ((p[2] == '/' || p[2] == '\0')
! 2126: && (p == fn || p[-1] == '/')) {
! 2127: rprintf(FERROR,
! 2128: "found \"..\" dir in relative path: %s\n",
! 2129: fn);
! 2130: exit_cleanup(RERR_SYNTAX);
! 2131: }
! 2132: }
! 2133: }
! 2134:
! 2135: if (!*fn) {
! 2136: len = 1;
! 2137: fn = ".";
! 2138: name_type = DOTDIR_NAME;
! 2139: }
! 2140:
! 2141: dirlen = dir ? strlen(dir) : 0;
! 2142: if (dirlen != lastdir_len || memcmp(lastdir, dir, dirlen) != 0) {
! 2143: if (!change_pathname(NULL, dir, -dirlen))
! 2144: goto bad_path;
! 2145: lastdir = pathname;
! 2146: lastdir_len = pathname_len;
! 2147: } else if (!change_pathname(NULL, lastdir, lastdir_len)) {
! 2148: bad_path:
! 2149: if (implied_dot_dir < 0)
! 2150: implied_dot_dir = 0;
! 2151: continue;
! 2152: }
! 2153:
! 2154: if (implied_dot_dir < 0) {
! 2155: implied_dot_dir = 1;
! 2156: send_file_name(f, flist, ".", NULL, (flags | FLAG_IMPLIED_DIR) & ~FLAG_CONTENT_DIR, ALL_FILTERS);
! 2157: }
! 2158:
! 2159: if (fn != fbuf)
! 2160: memmove(fbuf, fn, len + 1);
! 2161:
! 2162: if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0
! 2163: || (name_type != DOTDIR_NAME && is_daemon_excluded(fbuf, S_ISDIR(st.st_mode)))
! 2164: || (relative_paths && path_is_daemon_excluded(fbuf, 1))) {
! 2165: io_error |= IOERR_GENERAL;
! 2166: rsyserr(FERROR_XFER, errno, "link_stat %s failed",
! 2167: full_fname(fbuf));
! 2168: continue;
! 2169: }
! 2170:
! 2171: /* A dot-dir should not be excluded! */
! 2172: if (name_type != DOTDIR_NAME
! 2173: && is_excluded(fbuf, S_ISDIR(st.st_mode) != 0, ALL_FILTERS))
! 2174: continue;
! 2175:
! 2176: if (S_ISDIR(st.st_mode) && !xfer_dirs) {
! 2177: rprintf(FINFO, "skipping directory %s\n", fbuf);
! 2178: continue;
! 2179: }
! 2180:
! 2181: if (inc_recurse && relative_paths && *fbuf) {
! 2182: if ((p = strchr(fbuf+1, '/')) != NULL) {
! 2183: if (p - fbuf == 1 && *fbuf == '.') {
! 2184: if ((fn = strchr(p+1, '/')) != NULL)
! 2185: p = fn;
! 2186: } else
! 2187: fn = p;
! 2188: send_implied_dirs(f, flist, fbuf, fbuf, p, flags, name_type);
! 2189: if (fn == p)
! 2190: continue;
! 2191: }
! 2192: } else if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) {
! 2193: /* Send the implied directories at the start of the
! 2194: * source spec, so we get their permissions right. */
! 2195: send_implied_dirs(f, flist, fbuf, fbuf, p, flags, 0);
! 2196: }
! 2197:
! 2198: if (one_file_system)
! 2199: filesystem_dev = st.st_dev;
! 2200:
! 2201: if (recurse || (xfer_dirs && name_type != NORMAL_NAME)) {
! 2202: struct file_struct *file;
! 2203: file = send_file_name(f, flist, fbuf, &st,
! 2204: FLAG_TOP_DIR | FLAG_CONTENT_DIR | flags,
! 2205: NO_FILTERS);
! 2206: if (!file)
! 2207: continue;
! 2208: if (inc_recurse) {
! 2209: if (name_type == DOTDIR_NAME) {
! 2210: if (send_dir_depth < 0) {
! 2211: send_dir_depth = 0;
! 2212: change_local_filter_dir(fbuf, len, send_dir_depth);
! 2213: }
! 2214: send_directory(f, flist, fbuf, len, flags);
! 2215: }
! 2216: } else
! 2217: send_if_directory(f, flist, file, fbuf, len, flags);
! 2218: } else
! 2219: send_file_name(f, flist, fbuf, &st, flags, NO_FILTERS);
! 2220: }
! 2221:
! 2222: gettimeofday(&end_tv, NULL);
! 2223: stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
! 2224: + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
! 2225: if (stats.flist_buildtime == 0)
! 2226: stats.flist_buildtime = 1;
! 2227: start_tv = end_tv;
! 2228:
! 2229: /* Indicate end of file list */
! 2230: if (io_error == 0 || ignore_errors)
! 2231: write_byte(f, 0);
! 2232: else if (use_safe_inc_flist) {
! 2233: write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
! 2234: write_varint(f, io_error);
! 2235: } else {
! 2236: if (delete_during && inc_recurse)
! 2237: fatal_unsafe_io_error();
! 2238: write_byte(f, 0);
! 2239: }
! 2240:
! 2241: #ifdef SUPPORT_HARD_LINKS
! 2242: if (preserve_hard_links && protocol_version >= 30 && !inc_recurse)
! 2243: idev_destroy();
! 2244: #endif
! 2245:
! 2246: if (show_filelist_p())
! 2247: finish_filelist_progress(flist);
! 2248:
! 2249: gettimeofday(&end_tv, NULL);
! 2250: stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
! 2251: + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
! 2252:
! 2253: /* When converting names, both sides keep an unsorted file-list array
! 2254: * because the names will differ on the sending and receiving sides
! 2255: * (both sides will use the unsorted index number for each item). */
! 2256:
! 2257: /* Sort the list without removing any duplicates. This allows the
! 2258: * receiving side to ask for whatever name it kept. For incremental
! 2259: * recursion mode, the sender marks duplicate dirs so that it can
! 2260: * send them together in a single file-list. */
! 2261: if (need_unsorted_flist) {
! 2262: if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
! 2263: out_of_memory("send_file_list");
! 2264: memcpy(flist->sorted, flist->files,
! 2265: flist->used * sizeof (struct file_struct*));
! 2266: } else
! 2267: flist->sorted = flist->files;
! 2268: flist_sort_and_clean(flist, 0);
! 2269: file_total += flist->used;
! 2270:
! 2271: if (numeric_ids <= 0 && !inc_recurse)
! 2272: send_id_list(f);
! 2273:
! 2274: set_msg_fd_in(-1);
! 2275:
! 2276: /* send the io_error flag */
! 2277: if (protocol_version < 30)
! 2278: write_int(f, ignore_errors ? 0 : io_error);
! 2279: else if (!use_safe_inc_flist && io_error && !ignore_errors)
! 2280: send_msg_int(MSG_IO_ERROR, io_error);
! 2281:
! 2282: if (disable_buffering)
! 2283: io_end_buffering_out();
! 2284:
! 2285: stats.flist_size = stats.total_written - start_write;
! 2286: stats.num_files = flist->used;
! 2287:
! 2288: if (verbose > 3)
! 2289: output_flist(flist);
! 2290:
! 2291: if (verbose > 2)
! 2292: rprintf(FINFO, "send_file_list done\n");
! 2293:
! 2294: if (inc_recurse) {
! 2295: send_dir_depth = 1;
! 2296: add_dirs_to_tree(-1, flist, dir_count);
! 2297: if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0)
! 2298: flist->parent_ndx = -1;
! 2299: flist_done_allocating(flist);
! 2300: if (send_dir_ndx < 0) {
! 2301: write_ndx(f, NDX_FLIST_EOF);
! 2302: flist_eof = 1;
! 2303: }
! 2304: else if (file_total == 1) {
! 2305: /* If we're creating incremental file-lists and there
! 2306: * was just 1 item in the first file-list, send 1 more
! 2307: * file-list to check if this is a 1-file xfer. */
! 2308: send_extra_file_list(f, 1);
! 2309: }
! 2310: }
! 2311:
! 2312: return flist;
! 2313: }
! 2314:
! 2315: struct file_list *recv_file_list(int f)
! 2316: {
! 2317: struct file_list *flist;
! 2318: int dstart, flags;
! 2319: int64 start_read;
! 2320: int save_verbose = verbose;
! 2321:
! 2322: if (!first_flist)
! 2323: rprintf(FLOG, "receiving file list\n");
! 2324: if (show_filelist_p())
! 2325: start_filelist_progress("receiving file list");
! 2326: else if (inc_recurse && verbose && !am_server && !first_flist)
! 2327: rprintf(FCLIENT, "receiving incremental file list\n");
! 2328:
! 2329: start_read = stats.total_read;
! 2330:
! 2331: #ifdef SUPPORT_HARD_LINKS
! 2332: if (preserve_hard_links && !first_flist)
! 2333: init_hard_links();
! 2334: #endif
! 2335:
! 2336: flist = flist_new(0, "recv_file_list");
! 2337:
! 2338: if (inc_recurse) {
! 2339: if (flist->ndx_start == 1)
! 2340: dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
! 2341: dstart = dir_flist->used;
! 2342: } else {
! 2343: dir_flist = flist;
! 2344: dstart = 0;
! 2345: }
! 2346:
! 2347: if (am_server && verbose > 2)
! 2348: verbose = 2;
! 2349: while ((flags = read_byte(f)) != 0) {
! 2350: struct file_struct *file;
! 2351:
! 2352: if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
! 2353: flags |= read_byte(f) << 8;
! 2354:
! 2355: if (flags == (XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST)) {
! 2356: int err;
! 2357: if (!use_safe_inc_flist) {
! 2358: rprintf(FERROR, "Invalid flist flag: %x\n", flags);
! 2359: exit_cleanup(RERR_PROTOCOL);
! 2360: }
! 2361: err = read_varint(f);
! 2362: if (!ignore_errors)
! 2363: io_error |= err;
! 2364: break;
! 2365: }
! 2366:
! 2367: flist_expand(flist, 1);
! 2368: file = recv_file_entry(f, flist, flags);
! 2369:
! 2370: if (inc_recurse && S_ISDIR(file->mode)) {
! 2371: flist_expand(dir_flist, 1);
! 2372: dir_flist->files[dir_flist->used++] = file;
! 2373: }
! 2374:
! 2375: flist->files[flist->used++] = file;
! 2376:
! 2377: maybe_emit_filelist_progress(flist->used);
! 2378:
! 2379: if (verbose > 2) {
! 2380: char *name = f_name(file, NULL);
! 2381: rprintf(FINFO, "recv_file_name(%s)\n", NS(name));
! 2382: }
! 2383: }
! 2384: file_total += flist->used;
! 2385: verbose = save_verbose;
! 2386:
! 2387: if (verbose > 2)
! 2388: rprintf(FINFO, "received %d names\n", flist->used);
! 2389:
! 2390: if (show_filelist_p())
! 2391: finish_filelist_progress(flist);
! 2392:
! 2393: if (need_unsorted_flist) {
! 2394: /* Create an extra array of index pointers that we can sort for
! 2395: * the generator's use (for wading through the files in sorted
! 2396: * order and for calling flist_find()). We keep the "files"
! 2397: * list unsorted for our exchange of index numbers with the
! 2398: * other side (since their names may not sort the same). */
! 2399: if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
! 2400: out_of_memory("recv_file_list");
! 2401: memcpy(flist->sorted, flist->files,
! 2402: flist->used * sizeof (struct file_struct*));
! 2403: if (inc_recurse && dir_flist->used > dstart) {
! 2404: static int dir_flist_malloced = 0;
! 2405: if (dir_flist_malloced < dir_flist->malloced) {
! 2406: dir_flist->sorted = realloc_array(dir_flist->sorted,
! 2407: struct file_struct *,
! 2408: dir_flist->malloced);
! 2409: dir_flist_malloced = dir_flist->malloced;
! 2410: }
! 2411: memcpy(dir_flist->sorted + dstart, dir_flist->files + dstart,
! 2412: (dir_flist->used - dstart) * sizeof (struct file_struct*));
! 2413: fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
! 2414: }
! 2415: } else {
! 2416: flist->sorted = flist->files;
! 2417: if (inc_recurse && dir_flist->used > dstart) {
! 2418: dir_flist->sorted = dir_flist->files;
! 2419: fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
! 2420: }
! 2421: }
! 2422:
! 2423: if (inc_recurse)
! 2424: flist_done_allocating(flist);
! 2425: else if (f >= 0)
! 2426: recv_id_list(f, flist);
! 2427:
! 2428: flist_sort_and_clean(flist, relative_paths);
! 2429:
! 2430: if (protocol_version < 30) {
! 2431: /* Recv the io_error flag */
! 2432: if (ignore_errors)
! 2433: read_int(f);
! 2434: else
! 2435: io_error |= read_int(f);
! 2436: } else if (inc_recurse && flist->ndx_start == 1) {
! 2437: if (!file_total || strcmp(flist->sorted[flist->low]->basename, ".") != 0)
! 2438: flist->parent_ndx = -1;
! 2439: }
! 2440:
! 2441: if (verbose > 3)
! 2442: output_flist(flist);
! 2443:
! 2444: if (verbose > 2)
! 2445: rprintf(FINFO, "recv_file_list done\n");
! 2446:
! 2447: stats.flist_size += stats.total_read - start_read;
! 2448: stats.num_files += flist->used;
! 2449:
! 2450: return flist;
! 2451: }
! 2452:
! 2453: /* This is only used once by the receiver if the very first file-list
! 2454: * has exactly one item in it. */
! 2455: void recv_additional_file_list(int f)
! 2456: {
! 2457: struct file_list *flist;
! 2458: int ndx = read_ndx(f);
! 2459: if (ndx == NDX_FLIST_EOF) {
! 2460: flist_eof = 1;
! 2461: change_local_filter_dir(NULL, 0, 0);
! 2462: } else {
! 2463: ndx = NDX_FLIST_OFFSET - ndx;
! 2464: if (ndx < 0 || ndx >= dir_flist->used) {
! 2465: ndx = NDX_FLIST_OFFSET - ndx;
! 2466: rprintf(FERROR,
! 2467: "[%s] Invalid dir index: %d (%d - %d)\n",
! 2468: who_am_i(), ndx, NDX_FLIST_OFFSET,
! 2469: NDX_FLIST_OFFSET - dir_flist->used + 1);
! 2470: exit_cleanup(RERR_PROTOCOL);
! 2471: }
! 2472: if (verbose > 3) {
! 2473: rprintf(FINFO, "[%s] receiving flist for dir %d\n",
! 2474: who_am_i(), ndx);
! 2475: }
! 2476: flist = recv_file_list(f);
! 2477: flist->parent_ndx = ndx;
! 2478: }
! 2479: }
! 2480:
! 2481: /* Search for an identically-named item in the file list. Note that the
! 2482: * items must agree in their directory-ness, or no match is returned. */
! 2483: int flist_find(struct file_list *flist, struct file_struct *f)
! 2484: {
! 2485: int low = flist->low, high = flist->high;
! 2486: int diff, mid, mid_up;
! 2487:
! 2488: while (low <= high) {
! 2489: mid = (low + high) / 2;
! 2490: if (F_IS_ACTIVE(flist->sorted[mid]))
! 2491: mid_up = mid;
! 2492: else {
! 2493: /* Scan for the next non-empty entry using the cached
! 2494: * distance values. If the value isn't fully up-to-
! 2495: * date, update it. */
! 2496: mid_up = mid + F_DEPTH(flist->sorted[mid]);
! 2497: if (!F_IS_ACTIVE(flist->sorted[mid_up])) {
! 2498: do {
! 2499: mid_up += F_DEPTH(flist->sorted[mid_up]);
! 2500: } while (!F_IS_ACTIVE(flist->sorted[mid_up]));
! 2501: F_DEPTH(flist->sorted[mid]) = mid_up - mid;
! 2502: }
! 2503: if (mid_up > high) {
! 2504: /* If there's nothing left above us, set high to
! 2505: * a non-empty entry below us and continue. */
! 2506: high = mid - (int)flist->sorted[mid]->len32;
! 2507: if (!F_IS_ACTIVE(flist->sorted[high])) {
! 2508: do {
! 2509: high -= (int)flist->sorted[high]->len32;
! 2510: } while (!F_IS_ACTIVE(flist->sorted[high]));
! 2511: flist->sorted[mid]->len32 = mid - high;
! 2512: }
! 2513: continue;
! 2514: }
! 2515: }
! 2516: diff = f_name_cmp(flist->sorted[mid_up], f);
! 2517: if (diff == 0) {
! 2518: if (protocol_version < 29
! 2519: && S_ISDIR(flist->sorted[mid_up]->mode)
! 2520: != S_ISDIR(f->mode))
! 2521: return -1;
! 2522: return mid_up;
! 2523: }
! 2524: if (diff < 0)
! 2525: low = mid_up + 1;
! 2526: else
! 2527: high = mid - 1;
! 2528: }
! 2529: return -1;
! 2530: }
! 2531:
! 2532: /* Search for an identically-named item in the file list. Differs from
! 2533: * flist_find in that an item that agrees with "f" in directory-ness is
! 2534: * preferred but one that does not is still found. */
! 2535: int flist_find_ignore_dirness(struct file_list *flist, struct file_struct *f)
! 2536: {
! 2537: mode_t save_mode;
! 2538: int ndx;
! 2539:
! 2540: /* First look for an item that agrees in directory-ness. */
! 2541: ndx = flist_find(flist, f);
! 2542: if (ndx >= 0)
! 2543: return ndx;
! 2544:
! 2545: /* Temporarily flip f->mode to look for an item of opposite
! 2546: * directory-ness. */
! 2547: save_mode = f->mode;
! 2548: f->mode = S_ISDIR(f->mode) ? S_IFREG : S_IFDIR;
! 2549: ndx = flist_find(flist, f);
! 2550: f->mode = save_mode;
! 2551: return ndx;
! 2552: }
! 2553:
! 2554: /*
! 2555: * Free up any resources a file_struct has allocated
! 2556: * and clear the file.
! 2557: */
! 2558: void clear_file(struct file_struct *file)
! 2559: {
! 2560: /* The +1 zeros out the first char of the basename. */
! 2561: memset(file, 0, FILE_STRUCT_LEN + 1);
! 2562: /* In an empty entry, F_DEPTH() is an offset to the next non-empty
! 2563: * entry. Likewise for len32 in the opposite direction. We assume
! 2564: * that we're alone for now since flist_find() will adjust the counts
! 2565: * it runs into that aren't up-to-date. */
! 2566: file->len32 = F_DEPTH(file) = 1;
! 2567: }
! 2568:
! 2569: /* Allocate a new file list. */
! 2570: struct file_list *flist_new(int flags, char *msg)
! 2571: {
! 2572: struct file_list *flist;
! 2573:
! 2574: if (!(flist = new0(struct file_list)))
! 2575: out_of_memory(msg);
! 2576:
! 2577: if (flags & FLIST_TEMP) {
! 2578: if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0,
! 2579: out_of_memory, POOL_INTERN)))
! 2580: out_of_memory(msg);
! 2581: } else {
! 2582: /* This is a doubly linked list with prev looping back to
! 2583: * the end of the list, but the last next pointer is NULL. */
! 2584: if (!first_flist) {
! 2585: flist->file_pool = pool_create(NORMAL_EXTENT, 0,
! 2586: out_of_memory, POOL_INTERN);
! 2587: if (!flist->file_pool)
! 2588: out_of_memory(msg);
! 2589:
! 2590: flist->ndx_start = flist->flist_num = inc_recurse ? 1 : 0;
! 2591:
! 2592: first_flist = cur_flist = flist->prev = flist;
! 2593: } else {
! 2594: struct file_list *prev = first_flist->prev;
! 2595:
! 2596: flist->file_pool = first_flist->file_pool;
! 2597:
! 2598: flist->ndx_start = prev->ndx_start + prev->used + 1;
! 2599: flist->flist_num = prev->flist_num + 1;
! 2600:
! 2601: flist->prev = prev;
! 2602: prev->next = first_flist->prev = flist;
! 2603: }
! 2604: flist->pool_boundary = pool_boundary(flist->file_pool, 0);
! 2605: flist_cnt++;
! 2606: }
! 2607:
! 2608: return flist;
! 2609: }
! 2610:
! 2611: /* Free up all elements in a flist. */
! 2612: void flist_free(struct file_list *flist)
! 2613: {
! 2614: if (!flist->prev) {
! 2615: /* Was FLIST_TEMP dir-list. */
! 2616: } else if (flist == flist->prev) {
! 2617: first_flist = cur_flist = NULL;
! 2618: file_total = 0;
! 2619: flist_cnt = 0;
! 2620: } else {
! 2621: if (flist == cur_flist)
! 2622: cur_flist = flist->next;
! 2623: if (flist == first_flist)
! 2624: first_flist = first_flist->next;
! 2625: else {
! 2626: flist->prev->next = flist->next;
! 2627: if (!flist->next)
! 2628: flist->next = first_flist;
! 2629: }
! 2630: flist->next->prev = flist->prev;
! 2631: file_total -= flist->used;
! 2632: flist_cnt--;
! 2633: }
! 2634:
! 2635: if (!flist->prev || !flist_cnt)
! 2636: pool_destroy(flist->file_pool);
! 2637: else
! 2638: pool_free_old(flist->file_pool, flist->pool_boundary);
! 2639:
! 2640: if (flist->sorted && flist->sorted != flist->files)
! 2641: free(flist->sorted);
! 2642: free(flist->files);
! 2643: free(flist);
! 2644: }
! 2645:
! 2646: /* This routine ensures we don't have any duplicate names in our file list.
! 2647: * duplicate names can cause corruption because of the pipelining. */
! 2648: static void flist_sort_and_clean(struct file_list *flist, int strip_root)
! 2649: {
! 2650: char fbuf[MAXPATHLEN];
! 2651: int i, prev_i;
! 2652:
! 2653: if (!flist)
! 2654: return;
! 2655: if (flist->used == 0) {
! 2656: flist->high = -1;
! 2657: flist->low = 0;
! 2658: return;
! 2659: }
! 2660:
! 2661: fsort(flist->sorted, flist->used);
! 2662:
! 2663: if (!am_sender || inc_recurse) {
! 2664: for (i = prev_i = 0; i < flist->used; i++) {
! 2665: if (F_IS_ACTIVE(flist->sorted[i])) {
! 2666: prev_i = i;
! 2667: break;
! 2668: }
! 2669: }
! 2670: flist->low = prev_i;
! 2671: } else {
! 2672: i = prev_i = flist->used - 1;
! 2673: flist->low = 0;
! 2674: }
! 2675:
! 2676: while (++i < flist->used) {
! 2677: int j;
! 2678: struct file_struct *file = flist->sorted[i];
! 2679:
! 2680: if (!F_IS_ACTIVE(file))
! 2681: continue;
! 2682: if (f_name_cmp(file, flist->sorted[prev_i]) == 0)
! 2683: j = prev_i;
! 2684: else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
! 2685: int save_mode = file->mode;
! 2686: /* Make sure that this directory doesn't duplicate a
! 2687: * non-directory earlier in the list. */
! 2688: flist->high = prev_i;
! 2689: file->mode = S_IFREG;
! 2690: j = flist_find(flist, file);
! 2691: file->mode = save_mode;
! 2692: } else
! 2693: j = -1;
! 2694: if (j >= 0) {
! 2695: int keep, drop;
! 2696: /* If one is a dir and the other is not, we want to
! 2697: * keep the dir because it might have contents in the
! 2698: * list. Otherwise keep the first one. */
! 2699: if (S_ISDIR(file->mode)) {
! 2700: struct file_struct *fp = flist->sorted[j];
! 2701: if (!S_ISDIR(fp->mode))
! 2702: keep = i, drop = j;
! 2703: else {
! 2704: if (am_sender)
! 2705: file->flags |= FLAG_DUPLICATE;
! 2706: else { /* Make sure we merge our vital flags. */
! 2707: fp->flags |= file->flags & (FLAG_TOP_DIR|FLAG_CONTENT_DIR);
! 2708: fp->flags &= file->flags | ~FLAG_IMPLIED_DIR;
! 2709: }
! 2710: keep = j, drop = i;
! 2711: }
! 2712: } else
! 2713: keep = j, drop = i;
! 2714:
! 2715: if (!am_sender) {
! 2716: if (verbose > 1) {
! 2717: rprintf(FINFO,
! 2718: "removing duplicate name %s from file list (%d)\n",
! 2719: f_name(file, fbuf), drop + flist->ndx_start);
! 2720: }
! 2721: clear_file(flist->sorted[drop]);
! 2722: }
! 2723:
! 2724: if (keep == i) {
! 2725: if (flist->low == drop) {
! 2726: for (j = drop + 1;
! 2727: j < i && !F_IS_ACTIVE(flist->sorted[j]);
! 2728: j++) {}
! 2729: flist->low = j;
! 2730: }
! 2731: prev_i = i;
! 2732: }
! 2733: } else
! 2734: prev_i = i;
! 2735: }
! 2736: flist->high = prev_i;
! 2737:
! 2738: if (strip_root) {
! 2739: /* We need to strip off the leading slashes for relative
! 2740: * paths, but this must be done _after_ the sorting phase. */
! 2741: for (i = flist->low; i <= flist->high; i++) {
! 2742: struct file_struct *file = flist->sorted[i];
! 2743:
! 2744: if (!file->dirname)
! 2745: continue;
! 2746: while (*file->dirname == '/')
! 2747: file->dirname++;
! 2748: if (!*file->dirname)
! 2749: file->dirname = NULL;
! 2750: }
! 2751: }
! 2752:
! 2753: if (prune_empty_dirs && !am_sender) {
! 2754: int j, prev_depth = 0;
! 2755:
! 2756: prev_i = 0; /* It's OK that this isn't really true. */
! 2757:
! 2758: for (i = flist->low; i <= flist->high; i++) {
! 2759: struct file_struct *fp, *file = flist->sorted[i];
! 2760:
! 2761: /* This temporarily abuses the F_DEPTH() value for a
! 2762: * directory that is in a chain that might get pruned.
! 2763: * We restore the old value if it gets a reprieve. */
! 2764: if (S_ISDIR(file->mode) && F_DEPTH(file)) {
! 2765: /* Dump empty dirs when coming back down. */
! 2766: for (j = prev_depth; j >= F_DEPTH(file); j--) {
! 2767: fp = flist->sorted[prev_i];
! 2768: if (F_DEPTH(fp) >= 0)
! 2769: break;
! 2770: prev_i = -F_DEPTH(fp)-1;
! 2771: clear_file(fp);
! 2772: }
! 2773: prev_depth = F_DEPTH(file);
! 2774: if (is_excluded(f_name(file, fbuf), 1,
! 2775: ALL_FILTERS)) {
! 2776: /* Keep dirs through this dir. */
! 2777: for (j = prev_depth-1; ; j--) {
! 2778: fp = flist->sorted[prev_i];
! 2779: if (F_DEPTH(fp) >= 0)
! 2780: break;
! 2781: prev_i = -F_DEPTH(fp)-1;
! 2782: F_DEPTH(fp) = j;
! 2783: }
! 2784: } else
! 2785: F_DEPTH(file) = -prev_i-1;
! 2786: prev_i = i;
! 2787: } else {
! 2788: /* Keep dirs through this non-dir. */
! 2789: for (j = prev_depth; ; j--) {
! 2790: fp = flist->sorted[prev_i];
! 2791: if (F_DEPTH(fp) >= 0)
! 2792: break;
! 2793: prev_i = -F_DEPTH(fp)-1;
! 2794: F_DEPTH(fp) = j;
! 2795: }
! 2796: }
! 2797: }
! 2798: /* Dump all remaining empty dirs. */
! 2799: while (1) {
! 2800: struct file_struct *fp = flist->sorted[prev_i];
! 2801: if (F_DEPTH(fp) >= 0)
! 2802: break;
! 2803: prev_i = -F_DEPTH(fp)-1;
! 2804: clear_file(fp);
! 2805: }
! 2806:
! 2807: for (i = flist->low; i <= flist->high; i++) {
! 2808: if (F_IS_ACTIVE(flist->sorted[i]))
! 2809: break;
! 2810: }
! 2811: flist->low = i;
! 2812: for (i = flist->high; i >= flist->low; i--) {
! 2813: if (F_IS_ACTIVE(flist->sorted[i]))
! 2814: break;
! 2815: }
! 2816: flist->high = i;
! 2817: }
! 2818: }
! 2819:
! 2820: static void output_flist(struct file_list *flist)
! 2821: {
! 2822: char uidbuf[16], gidbuf[16], depthbuf[16];
! 2823: struct file_struct *file;
! 2824: const char *root, *dir, *slash, *name, *trail;
! 2825: const char *who = who_am_i();
! 2826: int i;
! 2827:
! 2828: rprintf(FINFO, "[%s] flist start=%d, used=%d, low=%d, high=%d\n",
! 2829: who, flist->ndx_start, flist->used, flist->low, flist->high);
! 2830: for (i = 0; i < flist->used; i++) {
! 2831: file = flist->files[i];
! 2832: if ((am_root || am_sender) && uid_ndx) {
! 2833: snprintf(uidbuf, sizeof uidbuf, " uid=%u",
! 2834: F_OWNER(file));
! 2835: } else
! 2836: *uidbuf = '\0';
! 2837: if (gid_ndx) {
! 2838: static char parens[] = "(\0)\0\0\0";
! 2839: char *pp = parens + (file->flags & FLAG_SKIP_GROUP ? 0 : 3);
! 2840: snprintf(gidbuf, sizeof gidbuf, " gid=%s%u%s",
! 2841: pp, F_GROUP(file), pp + 2);
! 2842: } else
! 2843: *gidbuf = '\0';
! 2844: if (!am_sender)
! 2845: snprintf(depthbuf, sizeof depthbuf, "%d", F_DEPTH(file));
! 2846: if (F_IS_ACTIVE(file)) {
! 2847: root = am_sender ? NS(F_PATHNAME(file)) : depthbuf;
! 2848: if ((dir = file->dirname) == NULL)
! 2849: dir = slash = "";
! 2850: else
! 2851: slash = "/";
! 2852: name = file->basename;
! 2853: trail = S_ISDIR(file->mode) ? "/" : "";
! 2854: } else
! 2855: root = dir = slash = name = trail = "";
! 2856: rprintf(FINFO,
! 2857: "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
! 2858: who, i + flist->ndx_start,
! 2859: root, dir, slash, name, trail,
! 2860: (int)file->mode, (double)F_LENGTH(file),
! 2861: uidbuf, gidbuf, file->flags);
! 2862: }
! 2863: }
! 2864:
! 2865: enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING };
! 2866: enum fnc_type { t_PATH, t_ITEM };
! 2867:
! 2868: static int found_prefix;
! 2869:
! 2870: /* Compare the names of two file_struct entities, similar to how strcmp()
! 2871: * would do if it were operating on the joined strings.
! 2872: *
! 2873: * Some differences beginning with protocol_version 29: (1) directory names
! 2874: * are compared with an assumed trailing slash so that they compare in a
! 2875: * way that would cause them to sort immediately prior to any content they
! 2876: * may have; (2) a directory of any name compares after a non-directory of
! 2877: * any name at the same depth; (3) a directory with name "." compares prior
! 2878: * to anything else. These changes mean that a directory and a non-dir
! 2879: * with the same name will not compare as equal (protocol_version >= 29).
! 2880: *
! 2881: * The dirname component can be an empty string, but the basename component
! 2882: * cannot (and never is in the current codebase). The basename component
! 2883: * may be NULL (for a removed item), in which case it is considered to be
! 2884: * after any existing item. */
! 2885: int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2)
! 2886: {
! 2887: int dif;
! 2888: const uchar *c1, *c2;
! 2889: enum fnc_state state1, state2;
! 2890: enum fnc_type type1, type2;
! 2891: enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
! 2892:
! 2893: if (!f1 || !F_IS_ACTIVE(f1)) {
! 2894: if (!f2 || !F_IS_ACTIVE(f2))
! 2895: return 0;
! 2896: return -1;
! 2897: }
! 2898: if (!f2 || !F_IS_ACTIVE(f2))
! 2899: return 1;
! 2900:
! 2901: c1 = (uchar*)f1->dirname;
! 2902: c2 = (uchar*)f2->dirname;
! 2903: if (c1 == c2)
! 2904: c1 = c2 = NULL;
! 2905: if (!c1) {
! 2906: type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
! 2907: c1 = (const uchar*)f1->basename;
! 2908: if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
! 2909: type1 = t_ITEM;
! 2910: state1 = s_TRAILING;
! 2911: c1 = (uchar*)"";
! 2912: } else
! 2913: state1 = s_BASE;
! 2914: } else {
! 2915: type1 = t_path;
! 2916: state1 = s_DIR;
! 2917: }
! 2918: if (!c2) {
! 2919: type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
! 2920: c2 = (const uchar*)f2->basename;
! 2921: if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
! 2922: type2 = t_ITEM;
! 2923: state2 = s_TRAILING;
! 2924: c2 = (uchar*)"";
! 2925: } else
! 2926: state2 = s_BASE;
! 2927: } else {
! 2928: type2 = t_path;
! 2929: state2 = s_DIR;
! 2930: }
! 2931:
! 2932: if (type1 != type2)
! 2933: return type1 == t_PATH ? 1 : -1;
! 2934:
! 2935: do {
! 2936: if (!*c1) {
! 2937: switch (state1) {
! 2938: case s_DIR:
! 2939: state1 = s_SLASH;
! 2940: c1 = (uchar*)"/";
! 2941: break;
! 2942: case s_SLASH:
! 2943: type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
! 2944: c1 = (const uchar*)f1->basename;
! 2945: if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
! 2946: type1 = t_ITEM;
! 2947: state1 = s_TRAILING;
! 2948: c1 = (uchar*)"";
! 2949: } else
! 2950: state1 = s_BASE;
! 2951: break;
! 2952: case s_BASE:
! 2953: state1 = s_TRAILING;
! 2954: if (type1 == t_PATH) {
! 2955: c1 = (uchar*)"/";
! 2956: break;
! 2957: }
! 2958: /* FALL THROUGH */
! 2959: case s_TRAILING:
! 2960: type1 = t_ITEM;
! 2961: break;
! 2962: }
! 2963: if (*c2 && type1 != type2)
! 2964: return type1 == t_PATH ? 1 : -1;
! 2965: }
! 2966: if (!*c2) {
! 2967: switch (state2) {
! 2968: case s_DIR:
! 2969: state2 = s_SLASH;
! 2970: c2 = (uchar*)"/";
! 2971: break;
! 2972: case s_SLASH:
! 2973: type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
! 2974: c2 = (const uchar*)f2->basename;
! 2975: if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
! 2976: type2 = t_ITEM;
! 2977: state2 = s_TRAILING;
! 2978: c2 = (uchar*)"";
! 2979: } else
! 2980: state2 = s_BASE;
! 2981: break;
! 2982: case s_BASE:
! 2983: state2 = s_TRAILING;
! 2984: if (type2 == t_PATH) {
! 2985: c2 = (uchar*)"/";
! 2986: break;
! 2987: }
! 2988: /* FALL THROUGH */
! 2989: case s_TRAILING:
! 2990: found_prefix = 1;
! 2991: if (!*c1)
! 2992: return 0;
! 2993: type2 = t_ITEM;
! 2994: break;
! 2995: }
! 2996: if (type1 != type2)
! 2997: return type1 == t_PATH ? 1 : -1;
! 2998: }
! 2999: } while ((dif = (int)*c1++ - (int)*c2++) == 0);
! 3000:
! 3001: return dif;
! 3002: }
! 3003:
! 3004: /* Returns 1 if f1's filename has all of f2's filename as a prefix. This does
! 3005: * not match if f2's basename is not an exact match of a path element in f1.
! 3006: * E.g. /path/foo is not a prefix of /path/foobar/baz, but /path/foobar is. */
! 3007: int f_name_has_prefix(const struct file_struct *f1, const struct file_struct *f2)
! 3008: {
! 3009: found_prefix = 0;
! 3010: f_name_cmp(f1, f2);
! 3011: return found_prefix;
! 3012: }
! 3013:
! 3014: char *f_name_buf(void)
! 3015: {
! 3016: static char names[5][MAXPATHLEN];
! 3017: static unsigned int n;
! 3018:
! 3019: n = (n + 1) % (sizeof names / sizeof names[0]);
! 3020:
! 3021: return names[n];
! 3022: }
! 3023:
! 3024: /* Return a copy of the full filename of a flist entry, using the indicated
! 3025: * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is
! 3026: * done because we checked the size when creating the file_struct entry.
! 3027: */
! 3028: char *f_name(const struct file_struct *f, char *fbuf)
! 3029: {
! 3030: if (!f || !F_IS_ACTIVE(f))
! 3031: return NULL;
! 3032:
! 3033: if (!fbuf)
! 3034: fbuf = f_name_buf();
! 3035:
! 3036: if (f->dirname) {
! 3037: int len = strlen(f->dirname);
! 3038: memcpy(fbuf, f->dirname, len);
! 3039: fbuf[len] = '/';
! 3040: strlcpy(fbuf + len + 1, f->basename, MAXPATHLEN - (len + 1));
! 3041: } else
! 3042: strlcpy(fbuf, f->basename, MAXPATHLEN);
! 3043:
! 3044: return fbuf;
! 3045: }
! 3046:
! 3047: /* Do a non-recursive scan of the named directory, possibly ignoring all
! 3048: * exclude rules except for the daemon's. If "dlen" is >=0, it is the length
! 3049: * of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
! 3050: * buffer (the functions we call will append names onto the end, but the old
! 3051: * dir value will be restored on exit). */
! 3052: struct file_list *get_dirlist(char *dirname, int dlen, int flags)
! 3053: {
! 3054: struct file_list *dirlist;
! 3055: char dirbuf[MAXPATHLEN];
! 3056: int save_recurse = recurse;
! 3057: int save_xfer_dirs = xfer_dirs;
! 3058: int save_prune_empty_dirs = prune_empty_dirs;
! 3059: int senddir_fd = flags & GDL_IGNORE_FILTER_RULES ? -2 : -1;
! 3060:
! 3061: if (dlen < 0) {
! 3062: dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
! 3063: if (dlen >= MAXPATHLEN)
! 3064: return NULL;
! 3065: dirname = dirbuf;
! 3066: }
! 3067:
! 3068: dirlist = flist_new(FLIST_TEMP, "get_dirlist");
! 3069:
! 3070: recurse = 0;
! 3071: xfer_dirs = 1;
! 3072: send_directory(senddir_fd, dirlist, dirname, dlen, FLAG_CONTENT_DIR);
! 3073: xfer_dirs = save_xfer_dirs;
! 3074: recurse = save_recurse;
! 3075: if (do_progress)
! 3076: flist_count_offset += dirlist->used;
! 3077:
! 3078: prune_empty_dirs = 0;
! 3079: dirlist->sorted = dirlist->files;
! 3080: flist_sort_and_clean(dirlist, 0);
! 3081: prune_empty_dirs = save_prune_empty_dirs;
! 3082:
! 3083: if (verbose > 3)
! 3084: output_flist(dirlist);
! 3085:
! 3086: return dirlist;
! 3087: }
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