X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/9b25ef35bd8c13480f79753c605f873d9e271936..3f0211b63a6cdc4a2cecfd2a0dffeba172c86a47:/flist.c diff --git a/flist.c b/flist.c index 4058aca0..0b4c4e2f 100644 --- a/flist.c +++ b/flist.c @@ -7,8 +7,9 @@ * Copyright (C) 2002-2007 Wayne Davison * * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 3 of the License, or + * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of @@ -16,16 +17,15 @@ * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + * with this program; if not, visit the http://fsf.org website. */ #include "rsync.h" +#include "ifuncs.h" #include "rounding.h" #include "io.h" extern int verbose; -extern int list_only; extern int am_root; extern int am_server; extern int am_daemon; @@ -52,6 +52,7 @@ extern int preserve_devices; extern int preserve_specials; extern int uid_ndx; extern int gid_ndx; +extern int eol_nulls; extern int relative_paths; extern int implied_dirs; extern int file_extra_cnt; @@ -62,7 +63,10 @@ extern int copy_links; extern int copy_unsafe_links; extern int protocol_version; extern int sanitize_paths; +extern int need_unsorted_flist; +extern int unsort_ndx; extern struct stats stats; +extern char *filesfrom_host; extern char curr_dir[MAXPATHLEN]; @@ -72,8 +76,7 @@ extern struct filter_list_struct filter_list; extern struct filter_list_struct server_filter_list; #ifdef ICONV_OPTION -extern int ic_ndx; -extern int need_unsorted_flist; +extern int filesfrom_convert; extern iconv_t ic_send, ic_recv; #endif @@ -84,11 +87,27 @@ int checksum_len; dev_t filesystem_dev; /* used to implement -x */ struct file_list *cur_flist, *first_flist, *dir_flist; -int send_dir_ndx = -1, send_dir_depth = 0; +int send_dir_ndx = -1, send_dir_depth = -1; int flist_cnt = 0; /* how many (non-tmp) file list objects exist */ int file_total = 0; /* total of all active items over all file-lists */ int flist_eof = 0; /* all the file-lists are now known */ +#define NORMAL_NAME 0 +#define SLASH_ENDING_NAME 1 +#define DOT_NAME 2 + +/* Starting from protocol version 26, we always use 64-bit ino_t and dev_t + * internally, even if this platform does not allow files to have 64-bit inums. + * The only exception is if we're on a platform with no 64-bit type at all. + * + * Because we use read_longint() to get these off the wire, if you transfer + * devices or (for protocols < 30) hardlinks with dev or inum > 2**32 to a + * machine with no 64-bit types then you will get an overflow error. + * + * Note that if you transfer devices from a 64-bit-devt machine (say, Solaris) + * to a 32-bit-devt machine (say, Linux-2.2/x86) then the device numbers will + * be truncated. But it's a kind of silly thing to do anyhow. */ + /* The tmp_* vars are used as a cache area by make_file() to store data * that the sender doesn't need to remember in its file list. The data * will survive just long enough to be used by send_file_entry(). */ @@ -101,6 +120,7 @@ static char tmp_sum[MAX_DIGEST_LEN]; static char empty_sum[MAX_DIGEST_LEN]; static int flist_count_offset; /* for --delete --progress */ static int dir_count = 0; +static int high_hlink_ndx; static void clean_flist(struct file_list *flist, int strip_root); static void output_flist(struct file_list *flist); @@ -145,7 +165,7 @@ static void finish_filelist_progress(const struct file_list *flist) if (do_progress) { /* This overwrites the progress line */ rprintf(FINFO, "%d file%sto consider\n", - flist->count, flist->count == 1 ? " " : "s "); + flist->used, flist->used == 1 ? " " : "s "); } else rprintf(FINFO, "done\n"); } @@ -155,35 +175,6 @@ void show_flist_stats(void) /* Nothing yet */ } -static void list_file_entry(struct file_struct *f) -{ - char permbuf[PERMSTRING_SIZE]; - double len; - - if (!F_IS_ACTIVE(f)) { - /* this can happen if duplicate names were removed */ - return; - } - - permstring(permbuf, f->mode); - len = F_LENGTH(f); - - /* TODO: indicate '+' if the entry has an ACL. */ - -#ifdef SUPPORT_LINKS - if (preserve_links && S_ISLNK(f->mode)) { - rprintf(FINFO, "%s %11.0f %s %s -> %s\n", - permbuf, len, timestring(f->modtime), - f_name(f, NULL), F_SYMLINK(f)); - } else -#endif - { - rprintf(FINFO, "%s %11.0f %s %s\n", - permbuf, len, timestring(f->modtime), - f_name(f, NULL)); - } -} - /* Stat either a symlink or its referent, depending on the settings of * copy_links, copy_unsafe_links, etc. Returns -1 on error, 0 on success. * @@ -272,12 +263,12 @@ static const char *pathname, *orig_dir; static int pathname_len; -/* Make sure flist can hold at least flist->count + extra entries. */ +/* Make sure flist can hold at least flist->used + extra entries. */ static void flist_expand(struct file_list *flist, int extra) { struct file_struct **new_ptr; - if (flist->count + extra <= flist->malloced) + if (flist->used + extra <= flist->malloced) return; if (flist->malloced < FLIST_START) @@ -289,14 +280,14 @@ static void flist_expand(struct file_list *flist, int extra) /* In case count jumped or we are starting the list * with a known size just set it. */ - if (flist->malloced < flist->count + extra) - flist->malloced = flist->count + extra; + if (flist->malloced < flist->used + extra) + flist->malloced = flist->used + extra; new_ptr = realloc_array(flist->files, struct file_struct *, flist->malloced); if (verbose >= 2 && flist->malloced != FLIST_START) { - rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n", + rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n", who_am_i(), (double)sizeof flist->files[0] * flist->malloced, (new_ptr == flist->files) ? " not" : ""); @@ -344,11 +335,13 @@ int push_pathname(const char *dir, int len) return 1; } -static void send_file_entry(int f, struct file_struct *file, int ndx) +static void send_file_entry(int f, struct file_struct *file, int ndx, int first_ndx) { static time_t modtime; static mode_t mode; +#ifdef SUPPORT_HARD_LINKS static int64 dev; +#endif static dev_t rdev; static uint32 rdev_major; static uid_t uid; @@ -358,26 +351,25 @@ static void send_file_entry(int f, struct file_struct *file, int ndx) char fname[MAXPATHLEN]; int first_hlink_ndx = -1; int l1, l2; - int flags; + int xflags; #ifdef ICONV_OPTION if (ic_send != (iconv_t)-1) { - ICONV_CONST char *ibuf; - char *obuf = fname; - size_t ocnt = MAXPATHLEN, icnt; - - iconv(ic_send, NULL,0, NULL,0); - if ((ibuf = (ICONV_CONST char *)file->dirname) != NULL) { - icnt = strlen(ibuf); - ocnt--; /* pre-subtract the space for the '/' */ - if (iconv(ic_send, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1) - goto convert_error; - *obuf++ = '/'; - } - - ibuf = (ICONV_CONST char *)file->basename; - icnt = strlen(ibuf); - if (iconv(ic_send, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1) { + xbuf outbuf, inbuf; + + INIT_CONST_XBUF(outbuf, fname); + + if (file->dirname) { + INIT_XBUF_STRLEN(inbuf, (char*)file->dirname); + outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */ + if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) + goto convert_error; + outbuf.size += 2; + outbuf.buf[outbuf.len++] = '/'; + } + + INIT_XBUF_STRLEN(inbuf, (char*)file->basename); + if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) { convert_error: io_error |= IOERR_GENERAL; rprintf(FINFO, @@ -385,81 +377,92 @@ static void send_file_entry(int f, struct file_struct *file, int ndx) who_am_i(), f_name(file, fname), strerror(errno)); return; } - *obuf = '\0'; + outbuf.buf[outbuf.len] = '\0'; } else #endif f_name(file, fname); - flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */ + /* Initialize starting value of xflags. */ + if (protocol_version >= 30 && S_ISDIR(file->mode)) { + if (file->flags & FLAG_CONTENT_DIR) + xflags = file->flags & FLAG_TOP_DIR; + else if (file->flags & FLAG_IMPLIED_DIR) + xflags = XMIT_TOP_DIR | XMIT_NO_CONTENT_DIR; + else + xflags = XMIT_NO_CONTENT_DIR; + } else + xflags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */ if (file->mode == mode) - flags |= XMIT_SAME_MODE; + xflags |= XMIT_SAME_MODE; else mode = file->mode; + if ((preserve_devices && IS_DEVICE(mode)) || (preserve_specials && IS_SPECIAL(mode))) { if (protocol_version < 28) { if (tmp_rdev == rdev) - flags |= XMIT_SAME_RDEV_pre28; + xflags |= XMIT_SAME_RDEV_pre28; else rdev = tmp_rdev; } else { rdev = tmp_rdev; if ((uint32)major(rdev) == rdev_major) - flags |= XMIT_SAME_RDEV_MAJOR; + xflags |= XMIT_SAME_RDEV_MAJOR; else rdev_major = major(rdev); if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu) - flags |= XMIT_RDEV_MINOR_8_pre30; + xflags |= XMIT_RDEV_MINOR_8_pre30; } } else if (protocol_version < 28) rdev = MAKEDEV(0, 0); if (uid_ndx) { if ((uid_t)F_OWNER(file) == uid && *lastname) - flags |= XMIT_SAME_UID; + xflags |= XMIT_SAME_UID; else { uid = F_OWNER(file); if (uid_ndx && !numeric_ids) { user_name = add_uid(uid); if (inc_recurse && user_name) - flags |= XMIT_USER_NAME_FOLLOWS; + xflags |= XMIT_USER_NAME_FOLLOWS; } } } if (gid_ndx) { if ((gid_t)F_GROUP(file) == gid && *lastname) - flags |= XMIT_SAME_GID; + xflags |= XMIT_SAME_GID; else { gid = F_GROUP(file); if (gid_ndx && !numeric_ids) { group_name = add_gid(gid); if (inc_recurse && group_name) - flags |= XMIT_GROUP_NAME_FOLLOWS; + xflags |= XMIT_GROUP_NAME_FOLLOWS; } } } if (file->modtime == modtime) - flags |= XMIT_SAME_TIME; + xflags |= XMIT_SAME_TIME; else modtime = file->modtime; #ifdef SUPPORT_HARD_LINKS if (tmp_dev != 0) { if (protocol_version >= 30) { - struct idev_node *np = idev_node(tmp_dev, tmp_ino); + struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino); first_hlink_ndx = (int32)(long)np->data - 1; if (first_hlink_ndx < 0) { - np->data = (void*)(long)(ndx + 1); - flags |= XMIT_HLINK_FIRST; + high_hlink_ndx = ndx + first_ndx; + np->data = (void*)(long)(high_hlink_ndx + 1); + xflags |= XMIT_HLINK_FIRST; } - flags |= XMIT_HLINKED; + xflags |= XMIT_HLINKED; } else { if (tmp_dev == dev) { if (protocol_version >= 28) - flags |= XMIT_SAME_DEV_pre30; + xflags |= XMIT_SAME_DEV_pre30; } else dev = tmp_dev; - flags |= XMIT_HLINKED; + xflags |= XMIT_HLINKED; } } #endif @@ -470,67 +473,68 @@ static void send_file_entry(int f, struct file_struct *file, int ndx) l2 = strlen(fname+l1); if (l1 > 0) - flags |= XMIT_SAME_NAME; + xflags |= XMIT_SAME_NAME; if (l2 > 255) - flags |= XMIT_LONG_NAME; + xflags |= XMIT_LONG_NAME; /* We must make sure we don't send a zero flag byte or the * other end will terminate the flist transfer. Note that * the use of XMIT_TOP_DIR on a non-dir has no meaning, so * it's harmless way to add a bit to the first flag byte. */ if (protocol_version >= 28) { - if (!flags && !S_ISDIR(mode)) - flags |= XMIT_TOP_DIR; - if ((flags & 0xFF00) || !flags) { - flags |= XMIT_EXTENDED_FLAGS; - write_shortint(f, flags); + if (!xflags && !S_ISDIR(mode)) + xflags |= XMIT_TOP_DIR; + if ((xflags & 0xFF00) || !xflags) { + xflags |= XMIT_EXTENDED_FLAGS; + write_shortint(f, xflags); } else - write_byte(f, flags); + write_byte(f, xflags); } else { - if (!(flags & 0xFF)) - flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR; - write_byte(f, flags); + if (!(xflags & 0xFF)) + xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR; + write_byte(f, xflags); } - if (flags & XMIT_SAME_NAME) + if (xflags & XMIT_SAME_NAME) write_byte(f, l1); - if (flags & XMIT_LONG_NAME) + if (xflags & XMIT_LONG_NAME) write_varint30(f, l2); else write_byte(f, l2); write_buf(f, fname + l1, l2); if (first_hlink_ndx >= 0) { - write_varint30(f, first_hlink_ndx); - goto the_end; + write_varint(f, first_hlink_ndx); + if (first_hlink_ndx >= first_ndx) + goto the_end; } write_varlong30(f, F_LENGTH(file), 3); - if (!(flags & XMIT_SAME_TIME)) { + if (!(xflags & XMIT_SAME_TIME)) { if (protocol_version >= 30) write_varlong(f, modtime, 4); else write_int(f, modtime); } - if (!(flags & XMIT_SAME_MODE)) + if (!(xflags & XMIT_SAME_MODE)) write_int(f, to_wire_mode(mode)); - if (uid_ndx && !(flags & XMIT_SAME_UID)) { + if (uid_ndx && !(xflags & XMIT_SAME_UID)) { if (protocol_version < 30) write_int(f, uid); else { write_varint(f, uid); - if (flags & XMIT_USER_NAME_FOLLOWS) { + if (xflags & XMIT_USER_NAME_FOLLOWS) { int len = strlen(user_name); write_byte(f, len); write_buf(f, user_name, len); } } } - if (gid_ndx && !(flags & XMIT_SAME_GID)) { + if (gid_ndx && !(xflags & XMIT_SAME_GID)) { if (protocol_version < 30) write_int(f, gid); else { write_varint(f, gid); - if (flags & XMIT_GROUP_NAME_FOLLOWS) { + if (xflags & XMIT_GROUP_NAME_FOLLOWS) { int len = strlen(group_name); write_byte(f, len); write_buf(f, group_name, len); @@ -540,14 +544,14 @@ static void send_file_entry(int f, struct file_struct *file, int ndx) if ((preserve_devices && IS_DEVICE(mode)) || (preserve_specials && IS_SPECIAL(mode))) { if (protocol_version < 28) { - if (!(flags & XMIT_SAME_RDEV_pre28)) + if (!(xflags & XMIT_SAME_RDEV_pre28)) write_int(f, (int)rdev); } else { - if (!(flags & XMIT_SAME_RDEV_MAJOR)) + if (!(xflags & XMIT_SAME_RDEV_MAJOR)) write_varint30(f, major(rdev)); if (protocol_version >= 30) write_varint(f, minor(rdev)); - else if (flags & XMIT_RDEV_MINOR_8_pre30) + else if (xflags & XMIT_RDEV_MINOR_8_pre30) write_byte(f, minor(rdev)); else write_int(f, minor(rdev)); @@ -571,7 +575,7 @@ static void send_file_entry(int f, struct file_struct *file, int ndx) write_int(f, (int32)tmp_ino); } else { /* 64-bit dev_t and ino_t */ - if (!(flags & XMIT_SAME_DEV_pre30)) + if (!(xflags & XMIT_SAME_DEV_pre30)) write_longint(f, dev); write_longint(f, tmp_ino); } @@ -601,7 +605,9 @@ static struct file_struct *recv_file_entry(struct file_list *flist, { static int64 modtime; static mode_t mode; +#ifdef SUPPORT_HARD_LINKS static int64 dev; +#endif static dev_t rdev; static uint32 rdev_major; static uid_t uid; @@ -646,32 +652,26 @@ static struct file_struct *recv_file_entry(struct file_list *flist, #ifdef ICONV_OPTION if (ic_recv != (iconv_t)-1) { - char *obuf = thisname; - ICONV_CONST char *ibuf = (ICONV_CONST char *)lastname; - size_t ocnt = MAXPATHLEN, icnt = basename_len; + xbuf outbuf, inbuf; - if (icnt >= MAXPATHLEN) { - errno = E2BIG; - goto convert_error; - } + INIT_CONST_XBUF(outbuf, thisname); + INIT_XBUF(inbuf, lastname, basename_len, -1); - iconv(ic_recv, NULL,0, NULL,0); - if (iconv(ic_recv, &ibuf,&icnt, &obuf,&ocnt) == (size_t)-1) { - convert_error: + if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) { io_error |= IOERR_GENERAL; rprintf(FINFO, "[%s] cannot convert filename: %s (%s)\n", who_am_i(), lastname, strerror(errno)); - obuf = thisname; + outbuf.len = 0; } - *obuf = '\0'; + outbuf.buf[outbuf.len] = '\0'; } #endif clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, thisname, "", 0, NULL); + sanitize_path(thisname, thisname, "", 0); if ((basename = strrchr(thisname, '/')) != NULL) { int len = basename++ - thisname; @@ -689,33 +689,34 @@ static struct file_struct *recv_file_entry(struct file_list *flist, #ifdef SUPPORT_HARD_LINKS if (protocol_version >= 30 && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) { - struct file_struct *first; - first_hlink_ndx = read_varint30(f); - if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->count) { + first_hlink_ndx = read_varint(f); + if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->ndx_start + flist->used) { rprintf(FERROR, "hard-link reference out of range: %d (%d)\n", - first_hlink_ndx, flist->count); + first_hlink_ndx, flist->ndx_start + flist->used); exit_cleanup(RERR_PROTOCOL); } - first = flist->files[first_hlink_ndx]; - file_length = F_LENGTH(first); - modtime = first->modtime; - mode = first->mode; - if (uid_ndx) - uid = F_OWNER(first); - if (gid_ndx) - gid = F_GROUP(first); - if ((preserve_devices && IS_DEVICE(mode)) - || (preserve_specials && IS_SPECIAL(mode))) { - uint32 *devp = F_RDEV_P(first); - rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)); - extra_len += 2 * EXTRA_LEN; - } - if (preserve_links && S_ISLNK(mode)) - linkname_len = strlen(F_SYMLINK(first)) + 1; - else - linkname_len = 0; - goto create_object; + if (first_hlink_ndx >= flist->ndx_start) { + struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start]; + file_length = F_LENGTH(first); + modtime = first->modtime; + mode = first->mode; + if (uid_ndx) + uid = F_OWNER(first); + if (gid_ndx) + gid = F_GROUP(first); + if ((preserve_devices && IS_DEVICE(mode)) + || (preserve_specials && IS_SPECIAL(mode))) { + uint32 *devp = F_RDEV_P(first); + rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp)); + extra_len += DEV_EXTRA_CNT * EXTRA_LEN; + } + if (preserve_links && S_ISLNK(mode)) + linkname_len = strlen(F_SYMLINK(first)) + 1; + else + linkname_len = 0; + goto create_object; + } } #endif @@ -725,7 +726,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, modtime = read_varlong(f, 4); #if SIZEOF_TIME_T < SIZEOF_INT64 if ((modtime > INT_MAX || modtime < INT_MIN) && !am_generator) { - rprintf(FERROR, + rprintf(FERROR_XFER, "Time value of %s truncated on receiver.\n", lastname); } @@ -780,7 +781,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, rdev_minor = read_int(f); rdev = MAKEDEV(rdev_major, rdev_minor); } - extra_len += 2 * EXTRA_LEN; + extra_len += DEV_EXTRA_CNT * EXTRA_LEN; file_length = 0; } else if (protocol_version < 28) rdev = MAKEDEV(0, 0); @@ -804,7 +805,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (protocol_version < 28 && S_ISREG(mode)) xflags |= XMIT_HLINKED; if (xflags & XMIT_HLINKED) - extra_len += EXTRA_LEN; + extra_len += (inc_recurse+1) * EXTRA_LEN; } #endif @@ -828,7 +829,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (inc_recurse && S_ISDIR(mode)) { if (one_file_system) { /* Room to save the dir's device for -x */ - extra_len += 2 * EXTRA_LEN; + extra_len += DEV_EXTRA_CNT * EXTRA_LEN; } pool = dir_flist->file_pool; } else @@ -863,10 +864,8 @@ static struct file_struct *recv_file_entry(struct file_list *flist, F_GROUP(file) = gid; file->flags |= gid_flags; } -#ifdef ICONV_OPTION - if (ic_ndx) - F_NDX(file) = flist->count + flist->ndx_start; -#endif + if (unsort_ndx) + F_NDX(file) = flist->used + flist->ndx_start; if (basename != thisname) { file->dirname = lastdir; @@ -877,19 +876,26 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (S_ISDIR(mode)) { if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */ F_DEPTH(file)--; - if (xflags & XMIT_TOP_DIR) { + if (protocol_version >= 30) { + if (!(xflags & XMIT_NO_CONTENT_DIR)) { + if (xflags & XMIT_TOP_DIR) + file->flags |= FLAG_TOP_DIR; + file->flags |= FLAG_CONTENT_DIR; + } else if (xflags & XMIT_TOP_DIR) + file->flags |= FLAG_IMPLIED_DIR; + } else if (xflags & XMIT_TOP_DIR) { in_del_hier = recurse; del_hier_name_len = F_DEPTH(file) == 0 ? 0 : l1 + l2; if (relative_paths && del_hier_name_len > 2 && lastname[del_hier_name_len-1] == '.' && lastname[del_hier_name_len-2] == '/') del_hier_name_len -= 2; - file->flags |= FLAG_TOP_DIR | FLAG_XFER_DIR; + file->flags |= FLAG_TOP_DIR | FLAG_CONTENT_DIR; } else if (in_del_hier) { if (!relative_paths || !del_hier_name_len || (l1 >= del_hier_name_len && lastname[del_hier_name_len] == '/')) - file->flags |= FLAG_XFER_DIR; + file->flags |= FLAG_CONTENT_DIR; else in_del_hier = 0; } @@ -905,24 +911,27 @@ static struct file_struct *recv_file_entry(struct file_list *flist, #ifdef SUPPORT_LINKS if (linkname_len) { bp = (char*)file->basename + basename_len; - if (first_hlink_ndx >= 0) { - struct file_struct *first = flist->files[first_hlink_ndx]; + if (first_hlink_ndx >= flist->ndx_start) { + struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start]; memcpy(bp, F_SYMLINK(first), linkname_len); } else read_sbuf(f, bp, linkname_len - 1); if (sanitize_paths) - sanitize_path(bp, bp, "", lastdir_depth, NULL); + sanitize_path(bp, bp, "", lastdir_depth); } #endif #ifdef SUPPORT_HARD_LINKS if (preserve_hard_links && xflags & XMIT_HLINKED) { if (protocol_version >= 30) { - F_HL_GNUM(file) = xflags & XMIT_HLINK_FIRST - ? flist->count : first_hlink_ndx; + if (xflags & XMIT_HLINK_FIRST) { + high_hlink_ndx = flist->ndx_start + flist->used; + F_HL_GNUM(file) = high_hlink_ndx; + } else + F_HL_GNUM(file) = first_hlink_ndx; } else { static int32 cnt = 0; - struct idev_node *np; + struct ht_int64_node *np; int64 ino; int32 ndx; if (protocol_version < 26) { @@ -933,7 +942,7 @@ static struct file_struct *recv_file_entry(struct file_list *flist, dev = read_longint(f); ino = read_longint(f); } - np = idev_node(dev, ino); + np = idev_find(dev, ino); ndx = (int32)(long)np->data - 1; if (ndx < 0) { ndx = cnt++; @@ -946,13 +955,13 @@ static struct file_struct *recv_file_entry(struct file_list *flist, if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) { if (S_ISREG(mode)) - bp = (char*)F_SUM(file); + bp = F_SUM(file); else { /* Prior to 28, we get a useless set of nulls. */ bp = tmp_sum; } - if (first_hlink_ndx >= 0) { - struct file_struct *first = flist->files[first_hlink_ndx]; + if (first_hlink_ndx >= flist->ndx_start) { + struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start]; memcpy(bp, F_SUM(first), checksum_len); } else read_buf(f, bp, checksum_len); @@ -973,44 +982,33 @@ static struct file_struct *recv_file_entry(struct file_list *flist, return file; } -/** - * Create a file_struct for a named file by reading its stat() - * information and performing extensive checks against global - * options. +/* Create a file_struct for a named file by reading its stat() information + * and performing extensive checks against global options. * - * @return the new file, or NULL if there was an error or this file - * should be excluded. - * - * @todo There is a small optimization opportunity here to avoid - * stat()ing the file in some circumstances, which has a certain cost. - * We are called immediately after doing readdir(), and so we may - * already know the d_type of the file. We could for example avoid - * statting directories if we're not recursing, but this is not a very - * important case. Some systems may not have d_type. - **/ + * Returns a pointer to the new file struct, or NULL if there was an error + * or this file should be excluded. */ struct file_struct *make_file(const char *fname, struct file_list *flist, STRUCT_STAT *stp, int flags, int filter_level) { static char *lastdir; static int lastdir_len = -1; struct file_struct *file; - STRUCT_STAT st; char thisname[MAXPATHLEN]; char linkname[MAXPATHLEN]; int alloc_len, basename_len, linkname_len; int extra_len = file_extra_cnt * EXTRA_LEN; const char *basename; alloc_pool_t *pool; + STRUCT_STAT st; char *bp; - if (strlcpy(thisname, fname, sizeof thisname) - >= sizeof thisname - pathname_len) { + if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) { rprintf(FINFO, "skipping overly long name: %s\n", fname); return NULL; } clean_fname(thisname, 0); if (sanitize_paths) - sanitize_path(thisname, thisname, "", 0, NULL); + sanitize_path(thisname, thisname, "", 0); if (stp && S_ISDIR(stp->st_mode)) { st = *stp; /* Needed for "symlink/." with --relative. */ @@ -1031,20 +1029,20 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (copy_links && x_lstat(thisname, &st, NULL) == 0 && S_ISLNK(st.st_mode)) { io_error |= IOERR_GENERAL; - rprintf(FERROR, "symlink has no referent: %s\n", + rprintf(FERROR_XFER, "symlink has no referent: %s\n", full_fname(thisname)); } else #endif { enum logcode c = am_daemon && protocol_version < 28 - ? FERROR : FINFO; + ? FERROR : FWARNING; io_error |= IOERR_VANISHED; rprintf(c, "file has vanished: %s\n", full_fname(thisname)); } } else { io_error |= IOERR_GENERAL; - rsyserr(FERROR, save_errno, "readlink %s failed", + rsyserr(FERROR_XFER, save_errno, "readlink %s failed", full_fname(thisname)); } return NULL; @@ -1054,25 +1052,29 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (filter_level == NO_FILTERS) goto skip_filters; - if (S_ISDIR(st.st_mode) && !xfer_dirs) { - rprintf(FINFO, "skipping directory %s\n", thisname); - return NULL; - } - - /* -x only affects directories because we need to avoid recursing - * into a mount-point directory, not to avoid copying a symlinked - * file if -L (or similar) was specified. */ - if (one_file_system && st.st_dev != filesystem_dev - && S_ISDIR(st.st_mode)) { - if (one_file_system > 1) { - if (verbose > 2) { - rprintf(FINFO, "skipping mount-point dir %s\n", - thisname); - } + if (S_ISDIR(st.st_mode)) { + if (!xfer_dirs) { + rprintf(FINFO, "skipping directory %s\n", thisname); return NULL; } - flags |= FLAG_MOUNT_DIR; - } + /* -x only affects dirs because we need to avoid recursing + * into a mount-point directory, not to avoid copying a + * symlinked file if -L (or similar) was specified. */ + if (one_file_system && st.st_dev != filesystem_dev + && BITS_SETnUNSET(flags, FLAG_CONTENT_DIR, FLAG_TOP_DIR)) { + if (one_file_system > 1) { + if (verbose > 1) { + rprintf(FINFO, + "[%s] skipping mount-point dir %s\n", + who_am_i(), thisname); + } + return NULL; + } + flags |= FLAG_MOUNT_DIR; + flags &= ~FLAG_CONTENT_DIR; + } + } else + flags &= ~FLAG_CONTENT_DIR; if (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) { if (ignore_perishable) @@ -1095,7 +1097,9 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (flist->prev && S_ISDIR(st.st_mode) && flags & FLAG_DIVERT_DIRS) { /* Room for parent/sibling/next-child info. */ - extra_len += 3 * EXTRA_LEN; + extra_len += DIRNODE_EXTRA_CNT * EXTRA_LEN; + if (relative_paths) + extra_len += PTR_EXTRA_CNT * EXTRA_LEN; dir_count++; pool = dir_flist->file_pool; } else @@ -1220,10 +1224,8 @@ struct file_struct *make_file(const char *fname, struct file_list *flist, if (basename_len == 0+1) return NULL; -#ifdef ICONV_OPTION - if (ic_ndx) + if (unsort_ndx) F_NDX(file) = dir_count - 1; -#endif return file; } @@ -1241,14 +1243,14 @@ void unmake_file(struct file_struct *file) static struct file_struct *send_file_name(int f, struct file_list *flist, char *fname, STRUCT_STAT *stp, - int flags, int filter_flags) + int flags, int filter_level) { struct file_struct *file; #if defined SUPPORT_ACLS || defined SUPPORT_XATTRS - statx sx; + stat_x sx; #endif - file = make_file(fname, flist, stp, flags, filter_flags); + file = make_file(fname, flist, stp, flags, filter_level); if (!file) return NULL; @@ -1271,12 +1273,12 @@ static struct file_struct *send_file_name(int f, struct file_list *flist, } #endif - maybe_emit_filelist_progress(flist->count + flist_count_offset); + maybe_emit_filelist_progress(flist->used + flist_count_offset); flist_expand(flist, 1); - flist->files[flist->count++] = file; + flist->files[flist->used++] = file; if (f >= 0) { - send_file_entry(f, file, flist->count - 1); + send_file_entry(f, file, flist->used - 1, flist->ndx_start); #ifdef SUPPORT_ACLS if (preserve_acls && !S_ISLNK(file->mode)) { send_acl(&sx, f); @@ -1308,7 +1310,7 @@ static void send_if_directory(int f, struct file_list *flist, fbuf[--len] = '\0'; if (len >= MAXPATHLEN - 1) { io_error |= IOERR_GENERAL; - rprintf(FERROR, "skipping long-named directory: %s\n", + rprintf(FERROR_XFER, "skipping long-named directory: %s\n", full_fname(fbuf)); return; } @@ -1395,7 +1397,7 @@ static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist, int i; int32 *dp = NULL; int32 *parent_dp = parent_ndx < 0 ? NULL - : F_DIRNODE_P(dir_flist->sorted[parent_ndx]); + : F_DIR_NODE_P(dir_flist->sorted[parent_ndx]); flist_expand(dir_flist, dir_cnt); dir_flist->sorted = dir_flist->files; @@ -1406,21 +1408,20 @@ static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist, if (!S_ISDIR(file->mode)) continue; - dir_flist->files[dir_flist->count++] = file; + dir_flist->files[dir_flist->used++] = file; dir_cnt--; - if (!(file->flags & FLAG_XFER_DIR) - || file->flags & FLAG_MOUNT_DIR) + if (file->basename[0] == '.' && file->basename[1] == '\0') continue; if (dp) - DIR_NEXT_SIBLING(dp) = dir_flist->count - 1; + DIR_NEXT_SIBLING(dp) = dir_flist->used - 1; else if (parent_dp) - DIR_FIRST_CHILD(parent_dp) = dir_flist->count - 1; + DIR_FIRST_CHILD(parent_dp) = dir_flist->used - 1; else - send_dir_ndx = dir_flist->count - 1; + send_dir_ndx = dir_flist->used - 1; - dp = F_DIRNODE_P(file); + dp = F_DIR_NODE_P(file); DIR_PARENT(dp) = parent_ndx; DIR_FIRST_CHILD(dp) = -1; } @@ -1441,14 +1442,14 @@ static void send_directory(int f, struct file_list *flist, char *fbuf, int len, char *p; DIR *d; int divert_dirs = (flags & FLAG_DIVERT_DIRS) != 0; - int start = flist->count; - int filter_flags = f == -2 ? SERVER_FILTERS : ALL_FILTERS; + int start = flist->used; + int filter_level = f == -2 ? SERVER_FILTERS : ALL_FILTERS; assert(flist != NULL); if (!(d = opendir(fbuf))) { io_error |= IOERR_GENERAL; - rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf)); + rsyserr(FERROR_XFER, errno, "opendir %s failed", full_fname(fbuf)); return; } @@ -1470,31 +1471,115 @@ static void send_directory(int f, struct file_list *flist, char *fbuf, int len, full_fname(fbuf)); continue; } + if (dname[0] == '\0') { + io_error |= IOERR_GENERAL; + rprintf(FINFO, + "cannot send file with empty name in %s\n", + full_fname(fbuf)); + continue; + } - send_file_name(f, flist, fbuf, NULL, flags, filter_flags); + send_file_name(f, flist, fbuf, NULL, flags, filter_level); } fbuf[len] = '\0'; if (errno) { io_error |= IOERR_GENERAL; - rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf)); + rsyserr(FERROR_XFER, errno, "readdir(%s)", full_fname(fbuf)); } closedir(d); if (f >= 0 && recurse && !divert_dirs) { - int i, end = flist->count - 1; - /* send_if_directory() bumps flist->count, so use "end". */ + int i, end = flist->used - 1; + /* send_if_directory() bumps flist->used, so use "end". */ for (i = start; i <= end; i++) send_if_directory(f, flist, flist->files[i], fbuf, len, flags); } } +static char lastpath[MAXPATHLEN] = ""; +static int lastpath_len = 0; +static struct file_struct *lastpath_struct; + +static void send_implied_dirs(int f, struct file_list *flist, char *fname, + char *start, char *limit, int flags, char name_type) +{ + struct file_struct *file; + item_list *relname_list; + relnamecache **rnpp; + char *slash; + int len, need_new_dir; + + flags = (flags | FLAG_IMPLIED_DIR) & ~(FLAG_TOP_DIR | FLAG_CONTENT_DIR); + + if (inc_recurse) { + if (lastpath_struct && F_PATHNAME(lastpath_struct) == pathname + && lastpath_len == limit - fname + && strncmp(lastpath, fname, lastpath_len) == 0) + need_new_dir = 0; + else + need_new_dir = 1; + } else + need_new_dir = 1; + + if (need_new_dir) { + int save_copy_links = copy_links; + int save_xfer_dirs = xfer_dirs; + + copy_links = xfer_dirs = 1; + + *limit = '\0'; + + for (slash = start; (slash = strchr(slash+1, '/')) != NULL; ) { + *slash = '\0'; + send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS); + *slash = '/'; + } + + file = send_file_name(f, flist, fname, NULL, flags, ALL_FILTERS); + if (inc_recurse) { + if (file && !S_ISDIR(file->mode)) + file = NULL; + lastpath_struct = file; + } + + strlcpy(lastpath, fname, sizeof lastpath); + lastpath_len = limit - fname; + + *limit = '/'; + + copy_links = save_copy_links; + xfer_dirs = save_xfer_dirs; + + if (!inc_recurse) + return; + } + + if (!lastpath_struct) + return; /* dir must have vanished */ + + len = strlen(limit+1); + memcpy(&relname_list, F_DIR_RELNAMES_P(lastpath_struct), sizeof relname_list); + if (!relname_list) { + if (!(relname_list = new0(item_list))) + out_of_memory("send_implied_dirs"); + memcpy(F_DIR_RELNAMES_P(lastpath_struct), &relname_list, sizeof relname_list); + } + rnpp = EXPAND_ITEM_LIST(relname_list, relnamecache *, 32); + if (!(*rnpp = (relnamecache*)new_array(char, sizeof (relnamecache) + len))) + out_of_memory("send_implied_dirs"); + (*rnpp)->name_type = name_type; + strlcpy((*rnpp)->fname, limit+1, len + 1); +} + static void send1extra(int f, struct file_struct *file, struct file_list *flist) { char fbuf[MAXPATHLEN]; - int dlen; + item_list *relname_list; + int len, dlen, flags = FLAG_DIVERT_DIRS | FLAG_CONTENT_DIR; + size_t j; f_name(file, fbuf); dlen = strlen(fbuf); @@ -1506,44 +1591,94 @@ static void send1extra(int f, struct file_struct *file, struct file_list *flist) change_local_filter_dir(fbuf, dlen, send_dir_depth); - send_directory(f, flist, fbuf, dlen, FLAG_DIVERT_DIRS | FLAG_XFER_DIR); + if (file->flags & FLAG_CONTENT_DIR) { + if (one_file_system) { + STRUCT_STAT st; + if (link_stat(fbuf, &st, copy_dirlinks) != 0) { + io_error |= IOERR_GENERAL; + rsyserr(FERROR_XFER, errno, "link_stat %s failed", + full_fname(fbuf)); + return; + } + filesystem_dev = st.st_dev; + } + send_directory(f, flist, fbuf, dlen, flags); + } + + if (!relative_paths) + return; + + memcpy(&relname_list, F_DIR_RELNAMES_P(file), sizeof relname_list); + if (!relname_list) + return; + + for (j = 0; j < relname_list->count; j++) { + char *slash; + relnamecache *rnp = ((relnamecache**)relname_list->items)[j]; + char name_type = rnp->name_type; + + fbuf[dlen] = '/'; + len = strlcpy(fbuf + dlen + 1, rnp->fname, sizeof fbuf - dlen - 1); + free(rnp); + if (len >= (int)sizeof fbuf) + continue; /* Impossible... */ + + slash = strchr(fbuf+dlen+1, '/'); + if (slash) { + send_implied_dirs(f, flist, fbuf, fbuf+dlen+1, slash, flags, name_type); + continue; + } + + if (name_type != NORMAL_NAME) { + STRUCT_STAT st; + if (link_stat(fbuf, &st, 1) != 0) { + io_error |= IOERR_GENERAL; + rsyserr(FERROR_XFER, errno, "link_stat %s failed", + full_fname(fbuf)); + continue; + } + send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR | flags, ALL_FILTERS); + } else + send_file_name(f, flist, fbuf, NULL, FLAG_TOP_DIR | flags, ALL_FILTERS); + } + + free(relname_list); } void send_extra_file_list(int f, int at_least) { struct file_list *flist; int64 start_write; - int future_cnt, save_io_error = io_error; + uint16 prev_flags; + int old_cnt, save_io_error = io_error; if (flist_eof) return; /* Keep sending data until we have the requested number of * files in the upcoming file-lists. */ - if (cur_flist->next) { - flist = first_flist->prev; /* the newest flist */ - future_cnt = flist->count + flist->ndx_start - - cur_flist->next->ndx_start; - } else - future_cnt = 0; - while (future_cnt < at_least) { + old_cnt = cur_flist->used; + for (flist = first_flist; flist != cur_flist; flist = flist->next) + old_cnt += flist->used; + while (file_total - old_cnt < at_least) { struct file_struct *file = dir_flist->sorted[send_dir_ndx]; int dir_ndx, dstart = dir_count; + const char *pathname = F_PATHNAME(file); int32 *dp; flist = flist_new(0, "send_extra_file_list"); start_write = stats.total_written; -#ifdef ICONV_OPTION - if (ic_ndx) + if (unsort_ndx) dir_ndx = F_NDX(file); else -#endif dir_ndx = send_dir_ndx; write_ndx(f, NDX_FLIST_OFFSET - dir_ndx); + flist->parent_ndx = dir_ndx; send1extra(f, file, flist); - dp = F_DIRNODE_P(file); + prev_flags = file->flags; + dp = F_DIR_NODE_P(file); /* If there are any duplicate directory names that follow, we * send all the dirs together in one file-list. The dir_flist @@ -1552,31 +1687,36 @@ void send_extra_file_list(int f, int at_least) && dir_flist->sorted[dir_ndx]->flags & FLAG_DUPLICATE) { send_dir_ndx = dir_ndx; file = dir_flist->sorted[dir_ndx]; + /* Try to avoid some duplicate scanning of identical dirs. */ + if (F_PATHNAME(file) == pathname && prev_flags & FLAG_CONTENT_DIR) + file->flags &= ~FLAG_CONTENT_DIR; send1extra(f, file, flist); - dp = F_DIRNODE_P(file); + prev_flags = file->flags; + dp = F_DIR_NODE_P(file); } write_byte(f, 0); -#ifdef ICONV_OPTION if (need_unsorted_flist) { - if (!(flist->sorted = new_array(struct file_struct *, flist->count))) + if (!(flist->sorted = new_array(struct file_struct *, flist->used))) out_of_memory("send_extra_file_list"); memcpy(flist->sorted, flist->files, - flist->count * sizeof (struct file_struct*)); + flist->used * sizeof (struct file_struct*)); } else -#endif flist->sorted = flist->files; clean_flist(flist, 0); + flist->ndx_end = flist->ndx_start + flist->used - 1; + if (!need_unsorted_flist) + flist->ndx_end -= (dir_count - dstart); + add_dirs_to_tree(send_dir_ndx, flist, dir_count - dstart); flist_done_allocating(flist); - file_total += flist->count; - future_cnt += flist->count; + file_total += flist->used; stats.flist_size += stats.total_written - start_write; - stats.num_files += flist->count; + stats.num_files += flist->used; if (verbose > 3) output_flist(flist); @@ -1593,7 +1733,7 @@ void send_extra_file_list(int f, int at_least) } send_dir_depth--; file = dir_flist->sorted[send_dir_ndx]; - dp = F_DIRNODE_P(file); + dp = F_DIR_NODE_P(file); } send_dir_ndx = DIR_NEXT_SIBLING(dp); } @@ -1611,12 +1751,18 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) int len, dirlen; STRUCT_STAT st; char *p, *dir; - char lastpath[MAXPATHLEN] = ""; struct file_list *flist; struct timeval start_tv, end_tv; int64 start_write; int use_ff_fd = 0; - int flags, disable_buffering; + int disable_buffering; + int flags = recurse ? FLAG_CONTENT_DIR : 0; + int reading_remotely = filesfrom_host != NULL; + int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS) +#ifdef ICONV_OPTION + | (filesfrom_convert ? RL_CONVERT : 0) +#endif + | (eol_nulls || reading_remotely ? RL_EOL_NULLS : 0); rprintf(FLOG, "building file list\n"); if (show_filelist_p()) @@ -1627,6 +1773,9 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) start_write = stats.total_written; gettimeofday(&start_tv, NULL); + if (relative_paths && protocol_version >= 30) + implied_dirs = 1; /* We send flagged implied dirs */ + #ifdef SUPPORT_HARD_LINKS if (preserve_hard_links && protocol_version >= 30 && !cur_flist) init_hard_links(); @@ -1635,16 +1784,14 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) flist = cur_flist = flist_new(0, "send_file_list"); if (inc_recurse) { dir_flist = flist_new(FLIST_TEMP, "send_file_list"); - flags = FLAG_DIVERT_DIRS; - } else { + flags |= FLAG_DIVERT_DIRS; + } else dir_flist = cur_flist; - flags = 0; - } disable_buffering = io_start_buffering_out(f); if (filesfrom_fd >= 0) { if (argv[0] && !push_dir(argv[0], 0)) { - rsyserr(FERROR, errno, "push_dir %s failed in %s", + rsyserr(FERROR_XFER, errno, "push_dir %s failed in %s", full_fname(argv[0]), curr_dir); exit_cleanup(RERR_FILESELECT); } @@ -1652,26 +1799,24 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) } while (1) { - char fbuf[MAXPATHLEN]; - char *fn; - int is_dot_dir; + char fbuf[MAXPATHLEN], *fn, name_type; if (use_ff_fd) { - if (read_filesfrom_line(filesfrom_fd, fbuf) == 0) + if (read_line(filesfrom_fd, fbuf, sizeof fbuf, rl_flags) == 0) break; - sanitize_path(fbuf, fbuf, "", 0, NULL); + sanitize_path(fbuf, fbuf, "", 0); } else { if (argc-- == 0) break; strlcpy(fbuf, *argv++, MAXPATHLEN); if (sanitize_paths) - sanitize_path(fbuf, fbuf, "", 0, NULL); + sanitize_path(fbuf, fbuf, "", 0); } len = strlen(fbuf); if (relative_paths) { /* We clean up fbuf below. */ - is_dot_dir = 0; + name_type = NORMAL_NAME; } else if (!len || fbuf[len - 1] == '/') { if (len == 2 && fbuf[0] == '.') { /* Turn "./" into just "." rather than "./." */ @@ -1682,7 +1827,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) fbuf[len++] = '.'; fbuf[len] = '\0'; } - is_dot_dir = 1; + name_type = DOT_NAME; } else if (len > 1 && fbuf[len-1] == '.' && fbuf[len-2] == '.' && (len == 2 || fbuf[len-3] == '/')) { if (len + 2 >= MAXPATHLEN) @@ -1690,11 +1835,11 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) fbuf[len++] = '/'; fbuf[len++] = '.'; fbuf[len] = '\0'; - is_dot_dir = 1; - } else { - is_dot_dir = fbuf[len-1] == '.' - && (len == 1 || fbuf[len-2] == '/'); - } + name_type = DOT_NAME; + } else if (fbuf[len-1] == '.' && (len == 1 || fbuf[len-2] == '/')) + name_type = DOT_NAME; + else + name_type = NORMAL_NAME; dir = NULL; @@ -1717,39 +1862,37 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) dir = "/"; else dir = fbuf; - len -= p - fbuf + 3; fn = p + 3; + while (*fn == '/') + fn++; + if (!*fn) + *--fn = '\0'; /* ensure room for '.' */ } else fn = fbuf; - /* Get rid of trailing "/" and "/.". */ - while (len) { - if (fn[len - 1] == '/') { - is_dot_dir = 1; - if (!--len && !dir) { - len++; - break; - } - } - else if (len >= 2 && fn[len - 1] == '.' - && fn[len - 2] == '/') { - is_dot_dir = 1; - if (!(len -= 2) && !dir) { - len++; - break; - } - } else - break; + len = clean_fname(fn, CFN_KEEP_LEADING_DOT_DIR + | CFN_KEEP_TRAILING_SLASH + | CFN_DROP_TRAILING_DOT_DIR); + if (len == 1) { + if (fn[0] == '/') { + fn = "/."; + len = 2; + name_type = DOT_NAME; + } else if (fn[0] == '.') + name_type = DOT_NAME; + } else if (fn[len-1] == '/') { + fn[--len] = '\0'; + if (len == 1 && *fn == '.') + name_type = DOT_NAME; + else + name_type = SLASH_ENDING_NAME; } - if (len == 1 && fn[0] == '/') - fn[len++] = '.'; - fn[len] = '\0'; /* Reject a ".." dir in the active part of the path. */ for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) { if ((p[2] == '/' || p[2] == '\0') && (p == fn || p[-1] == '/')) { rprintf(FERROR, "found \"..\" dir in relative path: %s\n", - fbuf); + fn); exit_cleanup(RERR_SYNTAX); } } @@ -1758,28 +1901,24 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) if (!*fn) { len = 1; fn = "."; + name_type = DOT_NAME; } dirlen = dir ? strlen(dir) : 0; if (dirlen != lastdir_len || memcmp(lastdir, dir, dirlen) != 0) { if (!push_pathname(dir ? strdup(dir) : NULL, dirlen)) - goto push_error; + continue; lastdir = pathname; lastdir_len = pathname_len; - } else if (!push_pathname(lastdir, lastdir_len)) { - push_error: - io_error |= IOERR_GENERAL; - rsyserr(FERROR, errno, "push_dir %s failed in %s", - full_fname(dir), curr_dir); + } else if (!push_pathname(lastdir, lastdir_len)) continue; - } if (fn != fbuf) memmove(fbuf, fn, len + 1); - if (link_stat(fbuf, &st, copy_dirlinks) != 0) { + if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0) { io_error |= IOERR_GENERAL; - rsyserr(FERROR, errno, "link_stat %s failed", + rsyserr(FERROR_XFER, errno, "link_stat %s failed", full_fname(fbuf)); continue; } @@ -1789,7 +1928,18 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) continue; } - if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) { + if (inc_recurse && relative_paths && *fbuf) { + if ((p = strchr(fbuf+1, '/')) != NULL) { + if (p - fbuf == 1 && *fbuf == '.') { + if ((fn = strchr(p+1, '/')) != NULL) + p = fn; + } else + fn = p; + send_implied_dirs(f, flist, fbuf, fbuf, p, flags, name_type); + if (fn == p) + continue; + } + } else if (implied_dirs && (p=strrchr(fbuf,'/')) && p != fbuf) { /* Send the implied directories at the start of the * source spec, so we get their permissions right. */ char *lp = lastpath, *slash = fbuf; @@ -1801,35 +1951,27 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) slash = fn; } *p = '/'; - if (fn != p || (*lp && *lp != '/')) { - int save_copy_links = copy_links; - int save_xfer_dirs = xfer_dirs; - int dir_flags = inc_recurse ? FLAG_DIVERT_DIRS : 0; - copy_links |= copy_unsafe_links; - xfer_dirs = 1; - while ((slash = strchr(slash+1, '/')) != 0) { - *slash = '\0'; - send_file_name(f, flist, fbuf, NULL, - dir_flags, ALL_FILTERS); - *slash = '/'; - } - copy_links = save_copy_links; - xfer_dirs = save_xfer_dirs; - *p = '\0'; - strlcpy(lastpath, fbuf, sizeof lastpath); - *p = '/'; - } + if (fn != p || (*lp && *lp != '/')) + send_implied_dirs(f, flist, fbuf, slash, p, flags, 0); } if (one_file_system) filesystem_dev = st.st_dev; - if (recurse || (xfer_dirs && is_dot_dir)) { + if (recurse || (xfer_dirs && name_type != NORMAL_NAME)) { struct file_struct *file; - int top_flags = FLAG_TOP_DIR | FLAG_XFER_DIR | flags; + int top_flags = FLAG_TOP_DIR | FLAG_CONTENT_DIR | flags; file = send_file_name(f, flist, fbuf, &st, top_flags, ALL_FILTERS); - if (file && !inc_recurse) + if (inc_recurse) { + if (name_type == DOT_NAME) { + if (send_dir_depth < 0) { + send_dir_depth = 0; + change_local_filter_dir(fbuf, len, send_dir_depth); + } + send_directory(f, flist, fbuf, len, flags); + } + } else if (file) send_if_directory(f, flist, file, fbuf, len, flags); } else send_file_name(f, flist, fbuf, &st, flags, ALL_FILTERS); @@ -1864,23 +2006,27 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) * receiving side to ask for whatever name it kept. For incremental * recursion mode, the sender marks duplicate dirs so that it can * send them together in a single file-list. */ -#ifdef ICONV_OPTION if (need_unsorted_flist) { if (inc_recurse) { - if (!(flist->sorted = new_array(struct file_struct *, flist->count))) + if (!(flist->sorted = new_array(struct file_struct *, flist->used))) out_of_memory("send_file_list"); memcpy(flist->sorted, flist->files, - flist->count * sizeof (struct file_struct*)); + flist->used * sizeof (struct file_struct*)); clean_flist(flist, 0); - } else + } else { flist->sorted = flist->files; - } else -#endif - { + flist->low = 0; + flist->high = flist->used - 1; + } + } else { flist->sorted = flist->files; clean_flist(flist, 0); } - file_total += flist->count; + file_total += flist->used; + + /* We don't subtract dir_count for the first send since we + * might have one or more dot dirs which need to get sent. */ + flist->ndx_end = flist->ndx_start + flist->used - 1; if (!numeric_ids && !inc_recurse) send_id_list(f); @@ -1895,7 +2041,7 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) io_end_buffering_out(); stats.flist_size = stats.total_written - start_write; - stats.num_files = flist->count; + stats.num_files = flist->used; if (verbose > 3) output_flist(flist); @@ -1904,7 +2050,10 @@ struct file_list *send_file_list(int f, int argc, char *argv[]) rprintf(FINFO, "send_file_list done\n"); if (inc_recurse) { + send_dir_depth = 1; add_dirs_to_tree(-1, flist, dir_count); + if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0) + flist->parent_ndx = -1; flist_done_allocating(flist); if (send_dir_ndx < 0) { write_ndx(f, NDX_FLIST_EOF); @@ -1936,17 +2085,17 @@ struct file_list *recv_file_list(int f) start_read = stats.total_read; - flist = flist_new(0, "recv_file_list"); - #ifdef SUPPORT_HARD_LINKS - if (preserve_hard_links && protocol_version < 30) + if (preserve_hard_links && !first_flist) init_hard_links(); #endif + flist = flist_new(0, "recv_file_list"); + if (inc_recurse) { - if (flist->ndx_start == 0) + if (flist->ndx_start == 1) dir_flist = flist_new(FLIST_TEMP, "recv_file_list"); - dstart = dir_flist->count; + dstart = dir_flist->used; } else { dir_flist = flist; dstart = 0; @@ -1963,52 +2112,53 @@ struct file_list *recv_file_list(int f) if (inc_recurse && S_ISDIR(file->mode)) { flist_expand(dir_flist, 1); - dir_flist->files[dir_flist->count++] = file; + dir_flist->files[dir_flist->used++] = file; } - flist->files[flist->count++] = file; + flist->files[flist->used++] = file; - maybe_emit_filelist_progress(flist->count); + maybe_emit_filelist_progress(flist->used); if (verbose > 2) { rprintf(FINFO, "recv_file_name(%s)\n", f_name(file, NULL)); } } - file_total += flist->count; + file_total += flist->used; + + flist->ndx_end = flist->ndx_start + flist->used - 1; + if (inc_recurse && !need_unsorted_flist && flist->ndx_start > 1) + flist->ndx_end -= dir_flist->used - dstart; if (verbose > 2) - rprintf(FINFO, "received %d names\n", flist->count); + rprintf(FINFO, "received %d names\n", flist->used); if (show_filelist_p()) finish_filelist_progress(flist); -#ifdef ICONV_OPTION if (need_unsorted_flist) { /* Create an extra array of index pointers that we can sort for * the generator's use (for wading through the files in sorted * order and for calling flist_find()). We keep the "files" * list unsorted for our exchange of index numbers with the * other side (since their names may not sort the same). */ - if (!(flist->sorted = new_array(struct file_struct *, flist->count))) + if (!(flist->sorted = new_array(struct file_struct *, flist->used))) out_of_memory("recv_file_list"); memcpy(flist->sorted, flist->files, - flist->count * sizeof (struct file_struct*)); - if (inc_recurse && dir_flist->count > dstart) { + flist->used * sizeof (struct file_struct*)); + if (inc_recurse && dir_flist->used > dstart) { dir_flist->sorted = realloc_array(dir_flist->sorted, struct file_struct *, - dir_flist->count); + dir_flist->used); memcpy(dir_flist->sorted + dstart, dir_flist->files + dstart, - (dir_flist->count - dstart) * sizeof (struct file_struct*)); - fsort(dir_flist->sorted + dstart, dir_flist->count - dstart); + (dir_flist->used - dstart) * sizeof (struct file_struct*)); + fsort(dir_flist->sorted + dstart, dir_flist->used - dstart); } - } else -#endif - { + } else { flist->sorted = flist->files; - if (inc_recurse && dir_flist->count > dstart) { + if (inc_recurse && dir_flist->used > dstart) { dir_flist->sorted = dir_flist->files; - fsort(dir_flist->sorted + dstart, dir_flist->count - dstart); + fsort(dir_flist->sorted + dstart, dir_flist->used - dstart); } } @@ -2025,22 +2175,19 @@ struct file_list *recv_file_list(int f) read_int(f); else io_error |= read_int(f); + } else if (inc_recurse && flist->ndx_start == 1) { + if (!file_total || strcmp(flist->sorted[0]->basename, ".") != 0) + flist->parent_ndx = -1; } if (verbose > 3) output_flist(flist); - if (list_only) { - int i; - for (i = 0; i < flist->count; i++) - list_file_entry(flist->files[i]); - } - if (verbose > 2) rprintf(FINFO, "recv_file_list done\n"); stats.flist_size += stats.total_read - start_read; - stats.num_files += flist->count; + stats.num_files += flist->used; return flist; } @@ -2056,12 +2203,12 @@ void recv_additional_file_list(int f) change_local_filter_dir(NULL, 0, 0); } else { ndx = NDX_FLIST_OFFSET - ndx; - if (ndx < 0 || ndx >= dir_flist->count) { + if (ndx < 0 || ndx >= dir_flist->used) { ndx = NDX_FLIST_OFFSET - ndx; rprintf(FERROR, "[%s] Invalid dir index: %d (%d - %d)\n", who_am_i(), ndx, NDX_FLIST_OFFSET, - NDX_FLIST_OFFSET - dir_flist->count + 1); + NDX_FLIST_OFFSET - dir_flist->used + 1); exit_cleanup(RERR_PROTOCOL); } if (verbose > 3) { @@ -2144,12 +2291,9 @@ struct file_list *flist_new(int flags, char *msg) { struct file_list *flist; - flist = new(struct file_list); - if (!flist) + if (!(flist = new0(struct file_list))) out_of_memory(msg); - memset(flist, 0, sizeof flist[0]); - if (flags & FLIST_TEMP) { if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0, out_of_memory, POOL_INTERN))) @@ -2163,12 +2307,15 @@ struct file_list *flist_new(int flags, char *msg) if (!flist->file_pool) out_of_memory(msg); + flist->ndx_start = inc_recurse ? 1 : 0; + first_flist = cur_flist = flist->prev = flist; } else { flist->file_pool = first_flist->file_pool; - flist->ndx_start = first_flist->prev->ndx_start - + first_flist->prev->count; + flist->ndx_start = first_flist->prev->ndx_end + 2; + if (flist->ndx_start <= high_hlink_ndx) + flist->ndx_start = high_hlink_ndx + 1; flist->prev = first_flist->prev; flist->prev->next = first_flist->prev = flist; @@ -2200,7 +2347,7 @@ void flist_free(struct file_list *flist) flist->next = first_flist; } flist->next->prev = flist->prev; - file_total -= flist->count; + file_total -= flist->used; flist_cnt--; } @@ -2224,15 +2371,16 @@ static void clean_flist(struct file_list *flist, int strip_root) if (!flist) return; - if (flist->count == 0) { + if (flist->used == 0) { flist->high = -1; + flist->low = 0; return; } - fsort(flist->sorted, flist->count); + fsort(flist->sorted, flist->used); if (!am_sender || inc_recurse) { - for (i = prev_i = 0; i < flist->count; i++) { + for (i = prev_i = 0; i < flist->used; i++) { if (F_IS_ACTIVE(flist->sorted[i])) { prev_i = i; break; @@ -2240,11 +2388,11 @@ static void clean_flist(struct file_list *flist, int strip_root) } flist->low = prev_i; } else { - i = prev_i = flist->count - 1; + i = prev_i = flist->used - 1; flist->low = 0; } - while (++i < flist->count) { + while (++i < flist->used) { int j; struct file_struct *file = flist->sorted[i]; @@ -2266,29 +2414,29 @@ static void clean_flist(struct file_list *flist, int strip_root) int keep, drop; /* If one is a dir and the other is not, we want to * keep the dir because it might have contents in the - * list. */ + * list. Otherwise keep the first one. */ if (S_ISDIR(file->mode)) { struct file_struct *fp = flist->sorted[j]; if (!S_ISDIR(fp->mode)) keep = i, drop = j; - else + else { + if (am_sender) + file->flags |= FLAG_DUPLICATE; + else { /* Make sure we merge our vital flags. */ + fp->flags |= file->flags & (FLAG_TOP_DIR|FLAG_CONTENT_DIR); + fp->flags &= file->flags | ~FLAG_IMPLIED_DIR; + } keep = j, drop = i; + } } else keep = j, drop = i; - if (am_sender) - flist->sorted[drop]->flags |= FLAG_DUPLICATE; - else { + if (!am_sender) { if (verbose > 1) { rprintf(FINFO, "removing duplicate name %s from file list (%d)\n", f_name(file, fbuf), drop + flist->ndx_start); } - /* Make sure we don't lose track of a user-specified - * top directory. */ - flist->sorted[keep]->flags |= flist->sorted[drop]->flags - & (FLAG_TOP_DIR|FLAG_XFER_DIR); - clear_file(flist->sorted[drop]); } @@ -2396,10 +2544,10 @@ static void output_flist(struct file_list *flist) const char *who = who_am_i(); int i; - rprintf(FINFO, "[%s] flist start=%d, count=%d, low=%d, high=%d\n", - who, flist->ndx_start, flist->count, flist->low, flist->high); - for (i = 0; i < flist->count; i++) { - file = flist->sorted[i]; + rprintf(FINFO, "[%s] flist start=%d, end=%d, used=%d, low=%d, high=%d\n", + who, flist->ndx_start, flist->ndx_end, flist->used, flist->low, flist->high); + for (i = 0; i < flist->used; i++) { + file = flist->files[i]; if ((am_root || am_sender) && uid_ndx) { snprintf(uidbuf, sizeof uidbuf, " uid=%u", F_OWNER(file)); @@ -2436,6 +2584,8 @@ static void output_flist(struct file_list *flist) enum fnc_state { s_DIR, s_SLASH, s_BASE, s_TRAILING }; enum fnc_type { t_PATH, t_ITEM }; +static int found_prefix; + /* Compare the names of two file_struct entities, similar to how strcmp() * would do if it were operating on the joined strings. * @@ -2451,7 +2601,7 @@ enum fnc_type { t_PATH, t_ITEM }; * cannot (and never is in the current codebase). The basename component * may be NULL (for a removed item), in which case it is considered to be * after any existing item. */ -int f_name_cmp(struct file_struct *f1, struct file_struct *f2) +int f_name_cmp(const struct file_struct *f1, const struct file_struct *f2) { int dif; const uchar *c1, *c2; @@ -2556,6 +2706,7 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) } /* FALL THROUGH */ case s_TRAILING: + found_prefix = 1; if (!*c1) return 0; type2 = t_ITEM; @@ -2569,6 +2720,16 @@ int f_name_cmp(struct file_struct *f1, struct file_struct *f2) return dif; } +/* Returns 1 if f1's filename has all of f2's filename as a prefix. This does + * not match if f2's basename is not an exact match of a path element in f1. + * E.g. /path/foo is not a prefix of /path/foobar/baz, but /path/foobar is. */ +int f_name_has_prefix(const struct file_struct *f1, const struct file_struct *f2) +{ + found_prefix = 0; + f_name_cmp(f1, f2); + return found_prefix; +} + char *f_name_buf(void) { static char names[5][MAXPATHLEN]; @@ -2583,7 +2744,7 @@ char *f_name_buf(void) * buffer or one of 5 static buffers if fbuf is NULL. No size-checking is * done because we checked the size when creating the file_struct entry. */ -char *f_name(struct file_struct *f, char *fbuf) +char *f_name(const struct file_struct *f, char *fbuf) { if (!f || !F_IS_ACTIVE(f)) return NULL; @@ -2613,6 +2774,7 @@ struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules) char dirbuf[MAXPATHLEN]; int save_recurse = recurse; int save_xfer_dirs = xfer_dirs; + int save_prune_empty_dirs = prune_empty_dirs; if (dlen < 0) { dlen = strlcpy(dirbuf, dirname, MAXPATHLEN); @@ -2629,10 +2791,12 @@ struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules) xfer_dirs = save_xfer_dirs; recurse = save_recurse; if (do_progress) - flist_count_offset += dirlist->count; + flist_count_offset += dirlist->used; + prune_empty_dirs = 0; dirlist->sorted = dirlist->files; clean_flist(dirlist, 0); + prune_empty_dirs = save_prune_empty_dirs; if (verbose > 3) output_flist(dirlist);