/*
- Copyright (C) Andrew Tridgell 1996
- Copyright (C) Paul Mackerras 1996
- Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 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
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- 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., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
-
-/** @file flist.c
- * Generate and receive file lists
+ * Generate and receive file lists.
*
- * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html
+ * Copyright (C) 1996 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * 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 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * 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, visit the http://fsf.org website.
+ */
#include "rsync.h"
+#include "ifuncs.h"
+#include "rounding.h"
+#include "io.h"
extern int verbose;
-extern int dry_run;
-extern int list_only;
extern int am_root;
extern int am_server;
extern int am_daemon;
extern int am_sender;
+extern int am_generator;
+extern int inc_recurse;
extern int do_progress;
extern int always_checksum;
extern int module_id;
extern int ignore_errors;
extern int numeric_ids;
extern int recurse;
+extern int use_qsort;
extern int xfer_dirs;
extern int filesfrom_fd;
extern int one_file_system;
+extern int copy_dirlinks;
extern int keep_dirlinks;
+extern int preserve_acls;
+extern int preserve_xattrs;
extern int preserve_links;
extern int preserve_hard_links;
-extern int preserve_perms;
extern int preserve_devices;
-extern int preserve_uid;
-extern int preserve_gid;
+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;
+extern int ignore_perishable;
+extern int non_perishable_cnt;
+extern int prune_empty_dirs;
extern int copy_links;
extern int copy_unsafe_links;
extern int protocol_version;
extern int sanitize_paths;
-extern int orig_umask;
+extern int need_unsorted_flist;
+extern int unsort_ndx;
extern struct stats stats;
-extern struct file_list *the_file_list;
+extern char *filesfrom_host;
extern char curr_dir[MAXPATHLEN];
+extern struct chmod_mode_struct *chmod_modes;
+
extern struct filter_list_struct filter_list;
extern struct filter_list_struct server_filter_list;
+#ifdef ICONV_OPTION
+extern int filesfrom_convert;
+extern iconv_t ic_send, ic_recv;
+#endif
+
+#define PTR_SIZE (sizeof (struct file_struct *))
+
int io_error;
+int checksum_len;
dev_t filesystem_dev; /* used to implement -x */
-static char empty_sum[MD4_SUM_LENGTH];
-static int flist_count_offset;
-static unsigned int file_struct_len;
-static struct file_list *sorting_flist;
+struct file_list *cur_flist, *first_flist, *dir_flist;
+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
-static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
+/* 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(). */
+static dev_t tmp_rdev;
+#ifdef SUPPORT_HARD_LINKS
+static int64 tmp_dev, tmp_ino;
+#endif
+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);
void init_flist(void)
{
- struct file_struct f;
-
- /* Figure out how big the file_struct is without trailing padding */
- file_struct_len = offsetof(struct file_struct, flags) + sizeof f.flags;
+ if (verbose > 4) {
+ rprintf(FINFO, "FILE_STRUCT_LEN=%d, EXTRA_LEN=%d\n",
+ (int)FILE_STRUCT_LEN, (int)EXTRA_LEN);
+ }
+ checksum_len = protocol_version < 21 ? 2
+ : protocol_version < 30 ? MD4_DIGEST_LEN
+ : MD5_DIGEST_LEN;
}
-
static int show_filelist_p(void)
{
- return verbose && xfer_dirs && !am_server;
+ return verbose && xfer_dirs && !am_server && !inc_recurse;
}
static void start_filelist_progress(char *kind)
{
- rprintf(FINFO, "%s ... ", kind);
+ rprintf(FCLIENT, "%s ... ", kind);
if (verbose > 1 || do_progress)
- rprintf(FINFO, "\n");
+ rprintf(FCLIENT, "\n");
rflush(FINFO);
}
-
static void emit_filelist_progress(int count)
{
- rprintf(FINFO, " %d files...\r", count);
+ rprintf(FCLIENT, " %d files...\r", count);
}
-
static void maybe_emit_filelist_progress(int count)
{
if (do_progress && show_filelist_p() && (count % 100) == 0)
emit_filelist_progress(count);
}
-
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");
}
/* Nothing yet */
}
-
-static void list_file_entry(struct file_struct *f)
-{
- char perms[11];
-
- if (!f->basename) {
- /* this can happen if duplicate names were removed */
- return;
- }
-
- permstring(perms, f->mode);
-
-#ifdef SUPPORT_LINKS
- if (preserve_links && S_ISLNK(f->mode)) {
- rprintf(FINFO, "%s %11.0f %s %s -> %s\n",
- perms,
- (double)f->length, timestring(f->modtime),
- safe_fname(f_name(f)), safe_fname(f->u.link));
- } else
-#endif
- {
- rprintf(FINFO, "%s %11.0f %s %s\n",
- perms,
- (double)f->length, timestring(f->modtime),
- safe_fname(f_name(f)));
- }
-}
-
-
-/**
- * Stat either a symlink or its referent, depending on the settings of
- * copy_links, copy_unsafe_links, etc.
- *
- * @retval -1 on error
- *
- * @retval 0 for success
+/* 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.
*
- * @post If @p path is a symlink, then @p linkbuf (of size @c
- * MAXPATHLEN) contains the symlink target.
+ * If path is the name of a symlink, then the linkbuf buffer (which must hold
+ * MAXPATHLEN chars) will be set to the symlink's target string.
*
- * @post @p buffer contains information about the link or the
- * referrent as appropriate, if they exist.
- **/
-static int readlink_stat(const char *path, STRUCT_STAT *buffer, char *linkbuf)
+ * The stat structure pointed to by stp will contain information about the
+ * link or the referent as appropriate, if they exist. */
+static int readlink_stat(const char *path, STRUCT_STAT *stp, char *linkbuf)
{
#ifdef SUPPORT_LINKS
- if (copy_links)
- return do_stat(path, buffer);
- if (link_stat(path, buffer, 0) < 0)
+ if (link_stat(path, stp, copy_dirlinks) < 0)
return -1;
- if (S_ISLNK(buffer->st_mode)) {
- int l = readlink((char *)path, linkbuf, MAXPATHLEN - 1);
- if (l == -1)
+ if (S_ISLNK(stp->st_mode)) {
+ int llen = readlink(path, linkbuf, MAXPATHLEN - 1);
+ if (llen < 0)
return -1;
- linkbuf[l] = 0;
+ linkbuf[llen] = '\0';
if (copy_unsafe_links && unsafe_symlink(linkbuf, path)) {
if (verbose > 1) {
rprintf(FINFO,"copying unsafe symlink \"%s\" -> \"%s\"\n",
- safe_fname(path), safe_fname(linkbuf));
+ path, linkbuf);
}
- return do_stat(path, buffer);
+ return x_stat(path, stp, NULL);
}
}
return 0;
#else
- return do_stat(path, buffer);
+ return x_stat(path, stp, NULL);
#endif
}
-int link_stat(const char *path, STRUCT_STAT *buffer, int follow_dirlinks)
+int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
{
#ifdef SUPPORT_LINKS
if (copy_links)
- return do_stat(path, buffer);
- if (do_lstat(path, buffer) < 0)
+ return x_stat(path, stp, NULL);
+ if (x_lstat(path, stp, NULL) < 0)
return -1;
- if (follow_dirlinks && S_ISLNK(buffer->st_mode)) {
+ if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
STRUCT_STAT st;
- if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
- *buffer = st;
+ if (x_stat(path, &st, NULL) == 0 && S_ISDIR(st.st_mode))
+ *stp = st;
}
return 0;
#else
- return do_stat(path, buffer);
+ return x_stat(path, stp, NULL);
#endif
}
return 0;
}
-static int to_wire_mode(mode_t mode)
-{
-#ifdef SUPPORT_LINKS
- if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
- return (mode & ~(_S_IFMT)) | 0120000;
-#endif
- return (int)mode;
-}
-
-static mode_t from_wire_mode(int mode)
-{
- if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
- return (mode & ~(_S_IFMT)) | _S_IFLNK;
- return (mode_t)mode;
-}
-
-
static void send_directory(int f, struct file_list *flist,
- char *fbuf, int len);
+ char *fbuf, int len, int flags);
-static char *flist_dir;
-static int flist_dir_len;
+static const char *pathname, *orig_dir;
+static int pathname_len;
-/**
- * Make sure @p flist is big enough to hold at least @p flist->count
- * entries.
- **/
-void flist_expand(struct file_list *flist)
+/* 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 < flist->malloced)
+ if (flist->used + extra <= flist->malloced)
return;
if (flist->malloced < FLIST_START)
else
flist->malloced *= 2;
- /*
- * In case count jumped or we are starting the list
- * with a known size just set it.
- */
- if (flist->malloced < flist->count)
- flist->malloced = flist->count;
+ /* In case count jumped or we are starting the list
+ * with a known size just set it. */
+ 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(FINFO, "[%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" : "");
out_of_memory("flist_expand");
}
-void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
+static void flist_done_allocating(struct file_list *flist)
+{
+ void *ptr = pool_boundary(flist->file_pool, 8*1024);
+ if (flist->pool_boundary == ptr)
+ flist->pool_boundary = NULL; /* list didn't use any pool memory */
+ else
+ flist->pool_boundary = ptr;
+}
+
+int push_pathname(const char *dir, int len)
+{
+ if (dir == pathname)
+ return 1;
+
+ if (!orig_dir)
+ orig_dir = strdup(curr_dir);
+
+ if (pathname && !pop_dir(orig_dir)) {
+ rsyserr(FERROR, errno, "pop_dir %s failed",
+ full_fname(orig_dir));
+ exit_cleanup(RERR_FILESELECT);
+ }
+
+ if (dir && !push_dir(dir, 0)) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "push_dir %s failed in %s",
+ full_fname(dir), curr_dir);
+ return 0;
+ }
+
+ pathname = dir;
+ pathname_len = len >= 0 ? len : dir ? (int)strlen(dir) : 0;
+
+ return 1;
+}
+
+static void send_file_entry(int f, struct file_struct *file, int ndx, int first_ndx)
{
- unsigned short flags;
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;
static gid_t gid;
+ static char *user_name, *group_name;
static char lastname[MAXPATHLEN];
char fname[MAXPATHLEN];
+ int first_hlink_ndx = -1;
int l1, l2;
+ int xflags;
- if (f < 0)
- return;
-
- if (!file) {
- write_byte(f, 0);
- modtime = 0, mode = 0;
- dev = 0, rdev = makedev(0, 0);
- rdev_major = 0;
- uid = 0, gid = 0;
- *lastname = '\0';
- return;
- }
+#ifdef ICONV_OPTION
+ if (ic_send != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
- io_write_phase = "send_file_entry";
+ INIT_CONST_XBUF(outbuf, fname);
- f_name_to(file, 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++] = '/';
+ }
- flags = base_flags;
+ INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
+ if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
+ convert_error:
+ io_error |= IOERR_GENERAL;
+ rprintf(FINFO,
+ "[%s] cannot convert filename: %s (%s)\n",
+ who_am_i(), f_name(file, fname), strerror(errno));
+ return;
+ }
+ outbuf.buf[outbuf.len] = '\0';
+ } else
+#endif
+ f_name(file, fname);
+
+ /* 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) {
+
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
if (protocol_version < 28) {
- if (IS_DEVICE(mode)) {
- if (file->u.rdev == rdev)
- flags |= XMIT_SAME_RDEV_pre28;
- else
- rdev = file->u.rdev;
- } else
- rdev = makedev(0, 0);
- } else if (IS_DEVICE(mode)) {
- rdev = file->u.rdev;
+ if (tmp_rdev == rdev)
+ 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 ((uint32)minor(rdev) <= 0xFFu)
- flags |= XMIT_RDEV_MINOR_IS_SMALL;
+ if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
+ 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)
+ xflags |= XMIT_SAME_UID;
+ else {
+ uid = F_OWNER(file);
+ if (uid_ndx && !numeric_ids) {
+ user_name = add_uid(uid);
+ if (inc_recurse && user_name)
+ xflags |= XMIT_USER_NAME_FOLLOWS;
+ }
+ }
+ }
+ if (gid_ndx) {
+ if ((gid_t)F_GROUP(file) == gid && *lastname)
+ xflags |= XMIT_SAME_GID;
+ else {
+ gid = F_GROUP(file);
+ if (gid_ndx && !numeric_ids) {
+ group_name = add_gid(gid);
+ if (inc_recurse && group_name)
+ xflags |= XMIT_GROUP_NAME_FOLLOWS;
+ }
}
}
- if (file->uid == uid)
- flags |= XMIT_SAME_UID;
- else
- uid = file->uid;
- if (file->gid == gid)
- flags |= XMIT_SAME_GID;
- else
- gid = file->gid;
if (file->modtime == modtime)
- flags |= XMIT_SAME_TIME;
+ xflags |= XMIT_SAME_TIME;
else
modtime = file->modtime;
#ifdef SUPPORT_HARD_LINKS
- if (file->link_u.idev) {
- if (file->F_DEV == dev) {
- if (protocol_version >= 28)
- flags |= XMIT_SAME_DEV;
- } else
- dev = file->F_DEV;
- flags |= XMIT_HAS_IDEV_DATA;
+ if (tmp_dev != 0) {
+ if (protocol_version >= 30) {
+ struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
+ first_hlink_ndx = (int32)(long)np->data - 1;
+ if (first_hlink_ndx < 0) {
+ high_hlink_ndx = ndx + first_ndx;
+ np->data = (void*)(long)(high_hlink_ndx + 1);
+ xflags |= XMIT_HLINK_FIRST;
+ }
+ xflags |= XMIT_HLINKED;
+ } else {
+ if (tmp_dev == dev) {
+ if (protocol_version >= 28)
+ xflags |= XMIT_SAME_DEV_pre30;
+ } else
+ dev = tmp_dev;
+ xflags |= XMIT_HLINKED;
+ }
}
#endif
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_byte(f, flags);
- write_byte(f, flags >> 8);
+ 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) && !S_ISDIR(mode))
- flags |= XMIT_TOP_DIR;
- if (!(flags & 0xFF))
- flags |= XMIT_LONG_NAME;
- 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)
- write_int(f, l2);
+ if (xflags & XMIT_LONG_NAME)
+ write_varint30(f, l2);
else
write_byte(f, l2);
write_buf(f, fname + l1, l2);
- write_longint(f, file->length);
- if (!(flags & XMIT_SAME_TIME))
- write_int(f, modtime);
- if (!(flags & XMIT_SAME_MODE))
+ if (first_hlink_ndx >= 0) {
+ write_varint(f, first_hlink_ndx);
+ if (first_hlink_ndx >= first_ndx)
+ goto the_end;
+ }
+
+ write_varlong30(f, F_LENGTH(file), 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30)
+ write_varlong(f, modtime, 4);
+ else
+ write_int(f, modtime);
+ }
+ if (!(xflags & XMIT_SAME_MODE))
write_int(f, to_wire_mode(mode));
- if (preserve_uid && !(flags & XMIT_SAME_UID)) {
- if (!numeric_ids)
- add_uid(uid);
- write_int(f, uid);
+ if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ write_int(f, uid);
+ else {
+ write_varint(f, uid);
+ if (xflags & XMIT_USER_NAME_FOLLOWS) {
+ int len = strlen(user_name);
+ write_byte(f, len);
+ write_buf(f, user_name, len);
+ }
+ }
}
- if (preserve_gid && !(flags & XMIT_SAME_GID)) {
- if (!numeric_ids)
- add_gid(gid);
- write_int(f, gid);
+ if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ write_int(f, gid);
+ else {
+ write_varint(f, gid);
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
+ int len = strlen(group_name);
+ write_byte(f, len);
+ write_buf(f, group_name, len);
+ }
+ }
}
- if (preserve_devices && IS_DEVICE(mode)) {
+ 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))
- write_int(f, major(rdev));
- if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ write_varint30(f, major(rdev));
+ if (protocol_version >= 30)
+ write_varint(f, minor(rdev));
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
write_byte(f, minor(rdev));
else
write_int(f, minor(rdev));
#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
- int len = strlen(file->u.link);
- write_int(f, len);
- write_buf(f, file->u.link, len);
+ const char *sl = F_SYMLINK(file);
+ int len = strlen(sl);
+ write_varint30(f, len);
+ write_buf(f, sl, len);
}
#endif
#ifdef SUPPORT_HARD_LINKS
- if (flags & XMIT_HAS_IDEV_DATA) {
+ if (tmp_dev != 0 && protocol_version < 30) {
if (protocol_version < 26) {
/* 32-bit dev_t and ino_t */
- write_int(f, dev);
- write_int(f, file->F_INODE);
+ write_int(f, (int32)dev);
+ write_int(f, (int32)tmp_ino);
} else {
/* 64-bit dev_t and ino_t */
- if (!(flags & XMIT_SAME_DEV))
+ if (!(xflags & XMIT_SAME_DEV_pre30))
write_longint(f, dev);
- write_longint(f, file->F_INODE);
+ write_longint(f, tmp_ino);
}
}
#endif
- if (always_checksum) {
- char *sum;
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ const char *sum;
if (S_ISREG(mode))
- sum = file->u.sum;
- else if (protocol_version < 28) {
+ sum = tmp_sum;
+ else {
/* Prior to 28, we sent a useless set of nulls. */
sum = empty_sum;
- } else
- sum = NULL;
- if (sum) {
- write_buf(f, sum,
- protocol_version < 21 ? 2 : MD4_SUM_LENGTH);
}
+ write_buf(f, sum, checksum_len);
}
+ the_end:
strlcpy(lastname, fname, MAXPATHLEN);
- io_write_phase = "unknown";
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += F_LENGTH(file);
}
-
-
-static struct file_struct *receive_file_entry(struct file_list *flist,
- unsigned short flags, int f)
+static struct file_struct *recv_file_entry(struct file_list *flist,
+ int xflags, int f)
{
- static time_t modtime;
+ 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;
static gid_t gid;
+ static uint16 gid_flags;
static char lastname[MAXPATHLEN], *lastdir;
static int lastdir_depth, lastdir_len = -1;
static unsigned int del_hier_name_len = 0;
static int in_del_hier = 0;
char thisname[MAXPATHLEN];
unsigned int l1 = 0, l2 = 0;
- int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
+ int alloc_len, basename_len, linkname_len;
+ int extra_len = file_extra_cnt * EXTRA_LEN;
+ int first_hlink_ndx = -1;
OFF_T file_length;
- char *basename, *dirname, *bp;
+ const char *basename;
struct file_struct *file;
+ alloc_pool_t *pool;
+ char *bp;
- if (!flist) {
- modtime = 0, mode = 0;
- dev = 0, rdev = makedev(0, 0);
- rdev_major = 0;
- uid = 0, gid = 0;
- *lastname = '\0';
- lastdir_len = -1;
- in_del_hier = 0;
- return NULL;
- }
-
- if (flags & XMIT_SAME_NAME)
+ if (xflags & XMIT_SAME_NAME)
l1 = read_byte(f);
- if (flags & XMIT_LONG_NAME)
- l2 = read_int(f);
+ if (xflags & XMIT_LONG_NAME)
+ l2 = read_varint30(f);
else
l2 = read_byte(f);
if (l2 >= MAXPATHLEN - l1) {
rprintf(FERROR,
- "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
- flags, l1, l2, safe_fname(lastname));
- overflow("receive_file_entry");
+ "overflow: xflags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
+ xflags, l1, l2, lastname, who_am_i());
+ overflow_exit("recv_file_entry");
}
strlcpy(thisname, lastname, l1 + 1);
read_sbuf(f, &thisname[l1], l2);
thisname[l1 + l2] = 0;
- strlcpy(lastname, thisname, MAXPATHLEN);
+ /* Abuse basename_len for a moment... */
+ basename_len = strlcpy(lastname, thisname, MAXPATHLEN);
+
+#ifdef ICONV_OPTION
+ if (ic_recv != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
+
+ INIT_CONST_XBUF(outbuf, thisname);
+ INIT_XBUF(inbuf, lastname, basename_len, -1);
+
+ 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));
+ outbuf.len = 0;
+ }
+ outbuf.buf[outbuf.len] = '\0';
+ }
+#endif
clean_fname(thisname, 0);
if (sanitize_paths)
- sanitize_path(thisname, thisname, "", 0);
+ sanitize_path(thisname, thisname, "", 0, NULL);
if ((basename = strrchr(thisname, '/')) != NULL) {
- dirname_len = ++basename - thisname; /* counts future '\0' */
- if (lastdir_len == dirname_len - 1
- && strncmp(thisname, lastdir, lastdir_len) == 0) {
- dirname = lastdir;
- dirname_len = 0; /* indicates no copy is needed */
- } else
- dirname = thisname;
- } else {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ lastdir_depth = count_dir_elements(lastdir);
+ }
+ } else
basename = thisname;
- dirname = NULL;
- dirname_len = 0;
- }
basename_len = strlen(basename) + 1; /* count the '\0' */
- file_length = read_longint(f);
- if (!(flags & XMIT_SAME_TIME))
- modtime = (time_t)read_int(f);
- if (!(flags & XMIT_SAME_MODE))
+#ifdef SUPPORT_HARD_LINKS
+ if (protocol_version >= 30
+ && BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
+ 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->ndx_start + flist->used);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ 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
+
+ file_length = read_varlong30(f, 3);
+ if (!(xflags & XMIT_SAME_TIME)) {
+ if (protocol_version >= 30) {
+ modtime = read_varlong(f, 4);
+#if SIZEOF_TIME_T < SIZEOF_INT64
+ if ((modtime > INT_MAX || modtime < INT_MIN) && !am_generator) {
+ rprintf(FERROR,
+ "Time value of %s truncated on receiver.\n",
+ lastname);
+ }
+#endif
+ } else
+ modtime = read_int(f);
+ }
+ if (!(xflags & XMIT_SAME_MODE))
mode = from_wire_mode(read_int(f));
- if (preserve_uid && !(flags & XMIT_SAME_UID))
- uid = (uid_t)read_int(f);
- if (preserve_gid && !(flags & XMIT_SAME_GID))
- gid = (gid_t)read_int(f);
+ if (chmod_modes && !S_ISLNK(mode))
+ mode = tweak_mode(mode, chmod_modes);
+
+ if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
+ if (protocol_version < 30)
+ uid = (uid_t)read_int(f);
+ else {
+ uid = (uid_t)read_varint(f);
+ if (xflags & XMIT_USER_NAME_FOLLOWS)
+ uid = recv_user_name(f, uid);
+ else if (inc_recurse && am_root && !numeric_ids)
+ uid = match_uid(uid);
+ }
+ }
+ if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
+ if (protocol_version < 30)
+ gid = (gid_t)read_int(f);
+ else {
+ gid = (gid_t)read_varint(f);
+ gid_flags = 0;
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS)
+ gid = recv_group_name(f, gid, &gid_flags);
+ else if (inc_recurse && (!am_root || !numeric_ids))
+ gid = match_gid(gid, &gid_flags);
+ }
+ }
- if (preserve_devices) {
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
if (protocol_version < 28) {
- if (IS_DEVICE(mode)) {
- if (!(flags & XMIT_SAME_RDEV_pre28))
- rdev = (dev_t)read_int(f);
- } else
- rdev = makedev(0, 0);
- } else if (IS_DEVICE(mode)) {
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
+ rdev = (dev_t)read_int(f);
+ } else {
uint32 rdev_minor;
- if (!(flags & XMIT_SAME_RDEV_MAJOR))
- rdev_major = read_int(f);
- if (flags & XMIT_RDEV_MINOR_IS_SMALL)
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
+ rdev_major = read_varint30(f);
+ if (protocol_version >= 30)
+ rdev_minor = read_varint(f);
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
rdev_minor = read_byte(f);
else
rdev_minor = read_int(f);
- rdev = makedev(rdev_major, rdev_minor);
+ rdev = MAKEDEV(rdev_major, rdev_minor);
}
- }
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ file_length = 0;
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
- linkname_len = read_int(f) + 1; /* count the '\0' */
+ linkname_len = read_varint30(f) + 1; /* count the '\0' */
if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
rprintf(FERROR, "overflow: linkname_len=%d\n",
linkname_len - 1);
- overflow("receive_file_entry");
+ overflow_exit("recv_file_entry");
}
}
else
#endif
linkname_len = 0;
- sum_len = always_checksum && S_ISREG(mode) ? MD4_SUM_LENGTH : 0;
+#ifdef SUPPORT_HARD_LINKS
+ create_object:
+ if (preserve_hard_links) {
+ if (protocol_version < 28 && S_ISREG(mode))
+ xflags |= XMIT_HLINKED;
+ if (xflags & XMIT_HLINKED)
+ extra_len += (inc_recurse+1) * EXTRA_LEN;
+ }
+#endif
+
+#ifdef SUPPORT_ACLS
+ /* We need one or two index int32s when we're preserving ACLs. */
+ if (preserve_acls)
+ extra_len += (S_ISDIR(mode) ? 2 : 1) * EXTRA_LEN;
+#endif
+
+ if (always_checksum && S_ISREG(mode))
+ extra_len += SUM_EXTRA_CNT * EXTRA_LEN;
+
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
+ extra_len += EXTRA_LEN;
- alloc_len = file_struct_len + dirname_len + basename_len
- + linkname_len + sum_len;
- bp = pool_alloc(flist->file_pool, alloc_len, "receive_file_entry");
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ if (inc_recurse && S_ISDIR(mode)) {
+ if (one_file_system) {
+ /* Room to save the dir's device for -x */
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ pool = dir_flist->file_pool;
+ } else
+ pool = flist->file_pool;
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ bp = pool_alloc(pool, alloc_len, "recv_file_entry");
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
file = (struct file_struct *)bp;
- memset(bp, 0, file_struct_len);
- bp += file_struct_len;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
- file->flags = 0;
- file->modtime = modtime;
- file->length = file_length;
+#ifdef SUPPORT_HARD_LINKS
+ if (xflags & XMIT_HLINKED)
+ file->flags |= FLAG_HLINKED;
+#endif
+ file->modtime = (time_t)modtime;
+ file->len32 = (uint32)file_length;
+ if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
+ }
file->mode = mode;
- file->uid = uid;
- file->gid = gid;
-
- if (dirname_len) {
- file->dirname = lastdir = bp;
- lastdir_len = dirname_len - 1;
- memcpy(bp, dirname, dirname_len - 1);
- bp += dirname_len;
- bp[-1] = '\0';
- lastdir_depth = count_dir_elements(lastdir);
- file->dir.depth = lastdir_depth + 1;
- } else if (dirname) {
- file->dirname = dirname; /* we're reusing lastname */
- file->dir.depth = lastdir_depth + 1;
+ if (uid_ndx)
+ F_OWNER(file) = uid;
+ if (gid_ndx) {
+ F_GROUP(file) = gid;
+ file->flags |= gid_flags;
+ }
+ if (unsort_ndx)
+ F_NDX(file) = flist->used + flist->ndx_start;
+
+ if (basename != thisname) {
+ file->dirname = lastdir;
+ F_DEPTH(file) = lastdir_depth + 1;
} else
- file->dir.depth = 1;
+ F_DEPTH(file) = 1;
if (S_ISDIR(mode)) {
if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
- file->dir.depth--;
- if (flags & XMIT_TOP_DIR) {
- in_del_hier = 1;
- del_hier_name_len = file->dir.depth == 0 ? 0 : l1 + l2;
+ F_DEPTH(file)--;
+ 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
- && basename_len == 1+1 && *basename == '.')
+ && lastname[del_hier_name_len-1] == '.'
+ && lastname[del_hier_name_len-2] == '/')
del_hier_name_len -= 2;
- file->flags |= FLAG_TOP_DIR | FLAG_DEL_HERE;
+ 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
- && thisname[del_hier_name_len] == '/'))
- file->flags |= FLAG_DEL_HERE;
+ && lastname[del_hier_name_len] == '/'))
+ file->flags |= FLAG_CONTENT_DIR;
else
in_del_hier = 0;
}
}
- file->basename = bp;
- memcpy(bp, basename, basename_len);
- bp += basename_len;
-
- if (preserve_devices && IS_DEVICE(mode))
- file->u.rdev = rdev;
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ uint32 *devp = F_RDEV_P(file);
+ DEV_MAJOR(devp) = major(rdev);
+ DEV_MINOR(devp) = minor(rdev);
+ }
#ifdef SUPPORT_LINKS
if (linkname_len) {
- file->u.link = bp;
- read_sbuf(f, bp, linkname_len - 1);
+ bp = (char*)file->basename + basename_len;
+ 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);
- bp += linkname_len;
+ sanitize_path(bp, bp, "", lastdir_depth, NULL);
}
#endif
#ifdef SUPPORT_HARD_LINKS
- if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
- flags |= XMIT_HAS_IDEV_DATA;
- if (flags & XMIT_HAS_IDEV_DATA) {
- int64 inode;
- if (protocol_version < 26) {
- dev = read_int(f);
- inode = read_int(f);
+ if (preserve_hard_links && xflags & XMIT_HLINKED) {
+ if (protocol_version >= 30) {
+ 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 {
- if (!(flags & XMIT_SAME_DEV))
- dev = read_longint(f);
- inode = read_longint(f);
- }
- if (flist->hlink_pool) {
- file->link_u.idev = pool_talloc(flist->hlink_pool,
- struct idev, 1, "inode_table");
- file->F_INODE = inode;
- file->F_DEV = dev;
+ static int32 cnt = 0;
+ struct ht_int64_node *np;
+ int64 ino;
+ int32 ndx;
+ if (protocol_version < 26) {
+ dev = read_int(f);
+ ino = read_int(f);
+ } else {
+ if (!(xflags & XMIT_SAME_DEV_pre30))
+ dev = read_longint(f);
+ ino = read_longint(f);
+ }
+ np = idev_find(dev, ino);
+ ndx = (int32)(long)np->data - 1;
+ if (ndx < 0) {
+ ndx = cnt++;
+ np->data = (void*)(long)cnt;
+ }
+ F_HL_GNUM(file) = ndx;
}
}
#endif
- if (always_checksum) {
- char *sum;
- if (sum_len) {
- file->u.sum = sum = bp;
- /*bp += sum_len;*/
- } else if (protocol_version < 28) {
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ if (S_ISREG(mode))
+ bp = F_SUM(file);
+ else {
/* Prior to 28, we get a useless set of nulls. */
- sum = empty_sum;
- } else
- sum = NULL;
- if (sum) {
- read_buf(f, sum,
- protocol_version < 21 ? 2 : MD4_SUM_LENGTH);
+ bp = tmp_sum;
}
+ 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);
}
- if (!preserve_perms) {
- /* set an appropriate set of permissions based on original
- * permissions and umask. This emulates what GNU cp does */
- file->mode &= ~orig_umask;
- }
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(mode))
+ receive_acl(file, f);
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs)
+ receive_xattr(file, f );
+#endif
+
+ if (S_ISREG(mode) || S_ISLNK(mode))
+ stats.total_size += file_length;
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.
- **/
-struct file_struct *make_file(char *fname, struct file_list *flist,
- int filter_level)
+ * 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 sum[SUM_LENGTH];
char thisname[MAXPATHLEN];
char linkname[MAXPATHLEN];
- int alloc_len, basename_len, dirname_len, linkname_len, sum_len;
- char *basename, *dirname, *bp;
- unsigned short flags = 0;
-
- if (!flist || !flist->count) /* Ignore lastdir when invalid. */
- lastdir_len = -1;
+ 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 - flist_dir_len) {
- rprintf(FINFO, "skipping overly long name: %s\n",
- safe_fname(fname));
+ 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);
+ sanitize_path(thisname, thisname, "", 0, NULL);
- memset(sum, 0, SUM_LENGTH);
-
- if (readlink_stat(thisname, &st, linkname) != 0) {
+ if (stp && S_ISDIR(stp->st_mode)) {
+ st = *stp; /* Needed for "symlink/." with --relative. */
+ *linkname = '\0'; /* make IBM code checker happy */
+ } else if (readlink_stat(thisname, &st, linkname) != 0) {
int save_errno = errno;
/* See if file is excluded before reporting an error. */
if (filter_level != NO_FILTERS
- && is_excluded(thisname, 0, filter_level))
+ && (is_excluded(thisname, 0, filter_level)
+ || is_excluded(thisname, 1, filter_level))) {
+ if (ignore_perishable && save_errno != ENOENT)
+ non_perishable_cnt++;
return NULL;
+ }
if (save_errno == ENOENT) {
#ifdef SUPPORT_LINKS
/* Avoid "vanished" error if symlink points nowhere. */
- if (copy_links && do_lstat(thisname, &st) == 0
+ 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",
if (filter_level == NO_FILTERS)
goto skip_filters;
- if (S_ISDIR(st.st_mode) && !xfer_dirs) {
- rprintf(FINFO, "skipping directory %s\n", safe_fname(thisname));
- return NULL;
- }
-
- /* We only care about 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))
- flags |= FLAG_MOUNT_POINT;
+ if (S_ISDIR(st.st_mode)) {
+ if (!xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", thisname);
+ return NULL;
+ }
+ /* -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 (is_excluded(thisname, S_ISDIR(st.st_mode) != 0, filter_level)) {
+ if (ignore_perishable)
+ non_perishable_cnt++;
return NULL;
+ }
if (lp_ignore_nonreadable(module_id)) {
#ifdef SUPPORT_LINKS
return NULL;
}
-skip_filters:
+ skip_filters:
+
+ /* Only divert a directory in the main transfer. */
+ if (flist) {
+ if (flist->prev && S_ISDIR(st.st_mode)
+ && flags & FLAG_DIVERT_DIRS) {
+ /* Room for parent/sibling/next-child info. */
+ 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
+ pool = flist->file_pool;
+ } else
+ pool = NULL;
if (verbose > 2) {
rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
- who_am_i(), safe_fname(thisname), filter_level);
+ who_am_i(), thisname, filter_level);
}
if ((basename = strrchr(thisname, '/')) != NULL) {
- dirname_len = ++basename - thisname; /* counts future '\0' */
- if (lastdir_len == dirname_len - 1
- && strncmp(thisname, lastdir, lastdir_len) == 0) {
- dirname = lastdir;
- dirname_len = 0; /* indicates no copy is needed */
- } else
- dirname = thisname;
- } else {
+ int len = basename++ - thisname;
+ if (len != lastdir_len || memcmp(thisname, lastdir, len) != 0) {
+ lastdir = new_array(char, len + 1);
+ memcpy(lastdir, thisname, len);
+ lastdir[len] = '\0';
+ lastdir_len = len;
+ }
+ } else
basename = thisname;
- dirname = NULL;
- dirname_len = 0;
- }
basename_len = strlen(basename) + 1; /* count the '\0' */
#ifdef SUPPORT_LINKS
linkname_len = 0;
#endif
- sum_len = always_checksum && S_ISREG(st.st_mode) ? MD4_SUM_LENGTH : 0;
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
+ extra_len += EXTRA_LEN;
- alloc_len = file_struct_len + dirname_len + basename_len
- + linkname_len + sum_len;
- if (flist) {
- bp = pool_alloc(flist->file_pool, alloc_len,
- "receive_file_entry");
- } else {
+#if EXTRA_ROUNDING > 0
+ if (extra_len & (EXTRA_ROUNDING * EXTRA_LEN))
+ extra_len = (extra_len | (EXTRA_ROUNDING * EXTRA_LEN)) + EXTRA_LEN;
+#endif
+
+ alloc_len = FILE_STRUCT_LEN + extra_len + basename_len
+ + linkname_len;
+ if (pool)
+ bp = pool_alloc(pool, alloc_len, "make_file");
+ else {
if (!(bp = new_array(char, alloc_len)))
- out_of_memory("receive_file_entry");
+ out_of_memory("make_file");
}
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
file = (struct file_struct *)bp;
- memset(bp, 0, file_struct_len);
- bp += file_struct_len;
+ bp += FILE_STRUCT_LEN;
- file->flags = flags;
- file->modtime = st.st_mtime;
- file->length = st.st_size;
- file->mode = st.st_mode;
- file->uid = st.st_uid;
- file->gid = st.st_gid;
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
#ifdef SUPPORT_HARD_LINKS
- if (flist && flist->hlink_pool) {
- if (protocol_version < 28) {
- if (S_ISREG(st.st_mode))
- file->link_u.idev = pool_talloc(
- flist->hlink_pool, struct idev, 1,
- "inode_table");
- } else {
- if (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
- file->link_u.idev = pool_talloc(
- flist->hlink_pool, struct idev, 1,
- "inode_table");
- }
- }
- if (file->link_u.idev) {
- file->F_DEV = st.st_dev;
- file->F_INODE = st.st_ino;
+ if (preserve_hard_links && flist && flist->prev) {
+ if (protocol_version >= 28
+ ? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
+ : S_ISREG(st.st_mode)) {
+ tmp_dev = st.st_dev;
+ tmp_ino = st.st_ino;
+ } else
+ tmp_dev = 0;
}
#endif
- if (dirname_len) {
- file->dirname = lastdir = bp;
- lastdir_len = dirname_len - 1;
- memcpy(bp, dirname, dirname_len - 1);
- bp += dirname_len;
- bp[-1] = '\0';
- } else if (dirname)
- file->dirname = dirname;
-
- file->basename = bp;
- memcpy(bp, basename, basename_len);
- bp += basename_len;
-
#ifdef HAVE_STRUCT_STAT_ST_RDEV
- if (preserve_devices && IS_DEVICE(st.st_mode))
- file->u.rdev = st.st_rdev;
+ if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) {
+ tmp_rdev = st.st_rdev;
+ st.st_size = 0;
+ }
#endif
+ file->flags = flags;
+ file->modtime = st.st_mtime;
+ file->len32 = (uint32)st.st_size;
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
+ file->flags |= FLAG_LENGTH64;
+ OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
+ }
+ file->mode = st.st_mode;
+ if (uid_ndx)
+ F_OWNER(file) = st.st_uid;
+ if (gid_ndx)
+ F_GROUP(file) = st.st_gid;
+
+ if (basename != thisname)
+ file->dirname = lastdir;
+
#ifdef SUPPORT_LINKS
if (linkname_len) {
- file->u.link = bp;
+ bp = (char*)file->basename + basename_len;
memcpy(bp, linkname, linkname_len);
- bp += linkname_len;
}
#endif
- if (sum_len) {
- file->u.sum = bp;
- file_checksum(thisname, bp, st.st_size);
- /*bp += sum_len;*/
- }
+ if (always_checksum && am_sender && S_ISREG(st.st_mode))
+ file_checksum(thisname, tmp_sum, st.st_size);
- file->dir.root = flist_dir;
+ F_PATHNAME(file) = pathname;
/* This code is only used by the receiver when it is building
* a list of files for a delete pass. */
if (keep_dirlinks && linkname_len && flist) {
STRUCT_STAT st2;
int save_mode = file->mode;
- file->mode = S_IFDIR; /* find a directory w/our name */
- if (flist_find(the_file_list, file) >= 0
- && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
+ file->mode = S_IFDIR; /* Find a directory with our name. */
+ if (flist_find(dir_flist, file) >= 0
+ && x_stat(thisname, &st2, NULL) == 0 && S_ISDIR(st2.st_mode)) {
file->modtime = st2.st_mtime;
- file->length = st2.st_size;
+ file->len32 = 0;
file->mode = st2.st_mode;
- file->uid = st2.st_uid;
- file->gid = st2.st_gid;
- file->u.link = NULL;
+ if (uid_ndx)
+ F_OWNER(file) = st2.st_uid;
+ if (gid_ndx)
+ F_GROUP(file) = st2.st_gid;
} else
file->mode = save_mode;
}
- if (S_ISREG(st.st_mode) || S_ISLNK(st.st_mode))
- stats.total_size += st.st_size;
+ if (basename_len == 0+1)
+ return NULL;
+
+ if (unsort_ndx)
+ F_NDX(file) = dir_count - 1;
return file;
}
+/* Only called for temporary file_struct entries created by make_file(). */
+void unmake_file(struct file_struct *file)
+{
+ int extra_cnt = file_extra_cnt + LEN64_BUMP(file);
+#if EXTRA_ROUNDING > 0
+ if (extra_cnt & EXTRA_ROUNDING)
+ extra_cnt = (extra_cnt | EXTRA_ROUNDING) + 1;
+#endif
+ free(REQ_EXTRA(file, extra_cnt));
+}
static struct file_struct *send_file_name(int f, struct file_list *flist,
- char *fname, unsigned short base_flags)
+ char *fname, STRUCT_STAT *stp,
+ int flags, int filter_level)
{
struct file_struct *file;
+#if defined SUPPORT_ACLS || defined SUPPORT_XATTRS
+ stat_x sx;
+#endif
- file = make_file(fname, flist, f == -2 ? SERVER_FILTERS : ALL_FILTERS);
+ file = make_file(fname, flist, stp, flags, filter_level);
if (!file)
return NULL;
- maybe_emit_filelist_progress(flist->count + flist_count_offset);
+ if (chmod_modes && !S_ISLNK(file->mode))
+ file->mode = tweak_mode(file->mode, chmod_modes);
- flist_expand(flist);
-
- if (file->basename[0]) {
- flist->files[flist->count++] = file;
- send_file_entry(file, f, base_flags);
+#ifdef SUPPORT_ACLS
+ if (preserve_acls && !S_ISLNK(file->mode) && f >= 0) {
+ sx.st.st_mode = file->mode;
+ sx.acc_acl = sx.def_acl = NULL;
+ if (get_acl(fname, &sx) < 0)
+ return NULL;
}
- return file;
-}
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs && f >= 0) {
+ sx.xattr = NULL;
+ if (get_xattr(fname, &sx) < 0)
+ return NULL;
+ }
+#endif
+
+ maybe_emit_filelist_progress(flist->used + flist_count_offset);
+
+ flist_expand(flist, 1);
+ flist->files[flist->used++] = file;
+ if (f >= 0) {
+ 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);
+ free_acl(&sx);
+ }
+#endif
+#ifdef SUPPORT_XATTRS
+ if (preserve_xattrs) {
+ F_XATTR(file) = send_xattr(&sx, f);
+ free_xattr(&sx);
+ }
+#endif
+ }
+ return file;
+}
static void send_if_directory(int f, struct file_list *flist,
- struct file_struct *file)
+ struct file_struct *file,
+ char *fbuf, unsigned int ol,
+ int flags)
{
- char fbuf[MAXPATHLEN];
+ char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
if (S_ISDIR(file->mode)
- && !(file->flags & FLAG_MOUNT_POINT) && f_name_to(file, fbuf)) {
+ && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
void *save_filters;
unsigned int len = strlen(fbuf);
if (len > 1 && fbuf[len-1] == '/')
return;
}
save_filters = push_local_filters(fbuf, len);
- send_directory(f, flist, fbuf, len);
+ send_directory(f, flist, fbuf, len, flags);
pop_local_filters(save_filters);
+ fbuf[ol] = '\0';
+ if (is_dot_dir)
+ fbuf[ol-1] = '.';
}
}
+static int file_compare(const void *file1, const void *file2)
+{
+ return f_name_cmp(*(struct file_struct **)file1,
+ *(struct file_struct **)file2);
+}
+
+/* The guts of a merge-sort algorithm. This was derived from the glibc
+ * version, but I (Wayne) changed the merge code to do less copying and
+ * to require only half the amount of temporary memory. */
+static void fsort_tmp(struct file_struct **fp, size_t num,
+ struct file_struct **tmp)
+{
+ struct file_struct **f1, **f2, **t;
+ size_t n1, n2;
+
+ n1 = num / 2;
+ n2 = num - n1;
+ f1 = fp;
+ f2 = fp + n1;
+
+ if (n1 > 1)
+ fsort_tmp(f1, n1, tmp);
+ if (n2 > 1)
+ fsort_tmp(f2, n2, tmp);
+
+ while (f_name_cmp(*f1, *f2) <= 0) {
+ if (!--n1)
+ return;
+ f1++;
+ }
+
+ t = tmp;
+ memcpy(t, f1, n1 * PTR_SIZE);
+
+ *f1++ = *f2++, n2--;
+
+ while (n1 > 0 && n2 > 0) {
+ if (f_name_cmp(*t, *f2) <= 0)
+ *f1++ = *t++, n1--;
+ else
+ *f1++ = *f2++, n2--;
+ }
+
+ if (n1 > 0)
+ memcpy(f1, t, n1 * PTR_SIZE);
+}
+
+/* This file-struct sorting routine makes sure that any identical names in
+ * the file list stay in the same order as they were in the original list.
+ * This is particularly vital in inc_recurse mode where we expect a sort
+ * on the flist to match the exact order of a sort on the dir_flist. */
+static void fsort(struct file_struct **fp, size_t num)
+{
+ if (num <= 1)
+ return;
+
+ if (use_qsort)
+ qsort(fp, num, PTR_SIZE, file_compare);
+ else {
+ struct file_struct **tmp = new_array(struct file_struct *,
+ (num+1) / 2);
+ fsort_tmp(fp, num, tmp);
+ free(tmp);
+ }
+}
+
+/* We take an entire set of sibling dirs from the sorted flist and link them
+ * into the tree, setting the appropriate parent/child/sibling pointers. */
+static void add_dirs_to_tree(int parent_ndx, struct file_list *from_flist,
+ int dir_cnt)
+{
+ int i;
+ int32 *dp = NULL;
+ int32 *parent_dp = parent_ndx < 0 ? NULL
+ : F_DIR_NODE_P(dir_flist->sorted[parent_ndx]);
+
+ flist_expand(dir_flist, dir_cnt);
+ dir_flist->sorted = dir_flist->files;
+
+ for (i = 0; dir_cnt; i++) {
+ struct file_struct *file = from_flist->sorted[i];
+
+ if (!S_ISDIR(file->mode))
+ continue;
+
+ dir_flist->files[dir_flist->used++] = file;
+ dir_cnt--;
+
+ if (file->basename[0] == '.' && file->basename[1] == '\0')
+ continue;
+
+ if (dp)
+ DIR_NEXT_SIBLING(dp) = dir_flist->used - 1;
+ else if (parent_dp)
+ DIR_FIRST_CHILD(parent_dp) = dir_flist->used - 1;
+ else
+ send_dir_ndx = dir_flist->used - 1;
+
+ dp = F_DIR_NODE_P(file);
+ DIR_PARENT(dp) = parent_ndx;
+ DIR_FIRST_CHILD(dp) = -1;
+ }
+ if (dp)
+ DIR_NEXT_SIBLING(dp) = -1;
+}
/* This function is normally called by the sender, but the receiving side also
* calls it from get_dirlist() with f set to -1 so that we just construct the
* file list in memory without sending it over the wire. Also, get_dirlist()
* might call this with f set to -2, which also indicates that local filter
* rules should be ignored. */
-static void send_directory(int f, struct file_list *flist,
- char *fbuf, int len)
+static void send_directory(int f, struct file_list *flist, char *fbuf, int len,
+ int flags)
{
struct dirent *di;
unsigned remainder;
char *p;
DIR *d;
- int start = flist->count;
+ int divert_dirs = (flags & FLAG_DIVERT_DIRS) != 0;
+ int start = flist->used;
+ int filter_level = f == -2 ? SERVER_FILTERS : ALL_FILTERS;
+
+ assert(flist != NULL);
if (!(d = opendir(fbuf))) {
io_error |= IOERR_GENERAL;
if (dname[0] == '.' && (dname[1] == '\0'
|| (dname[1] == '.' && dname[2] == '\0')))
continue;
- if (strlcpy(p, dname, remainder) < remainder)
- send_file_name(f, flist, fbuf, 0);
- else {
+ if (strlcpy(p, dname, remainder) >= remainder) {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot send long-named file %s\n",
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_level);
}
fbuf[len] = '\0';
closedir(d);
- if (recurse) {
- int i, end = flist->count - 1;
+ if (f >= 0 && recurse && !divert_dirs) {
+ 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]);
+ 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];
+ item_list *relname_list;
+ int len, dlen, flags = FLAG_DIVERT_DIRS | FLAG_CONTENT_DIR;
+ size_t j;
+
+ f_name(file, fbuf);
+ dlen = strlen(fbuf);
+
+ if (F_PATHNAME(file) != pathname) {
+ if (!push_pathname(F_PATHNAME(file), -1))
+ exit_cleanup(RERR_FILESELECT);
+ }
+
+ change_local_filter_dir(fbuf, dlen, send_dir_depth);
+
+ 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, 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, 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;
+ 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. */
+ 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;
+
+ if (unsort_ndx)
+ dir_ndx = F_NDX(file);
+ else
+ dir_ndx = send_dir_ndx;
+ write_ndx(f, NDX_FLIST_OFFSET - dir_ndx);
+ flist->parent_ndx = dir_ndx;
+
+ send1extra(f, file, flist);
+ 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
+ * tree links all the child subdirs onto the last dup dir. */
+ while ((dir_ndx = DIR_NEXT_SIBLING(dp)) >= 0
+ && 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);
+ prev_flags = file->flags;
+ dp = F_DIR_NODE_P(file);
+ }
+
+ write_byte(f, 0);
+
+ if (need_unsorted_flist) {
+ if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
+ out_of_memory("send_extra_file_list");
+ memcpy(flist->sorted, flist->files,
+ flist->used * sizeof (struct file_struct*));
+ } else
+ 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->used;
+ stats.flist_size += stats.total_written - start_write;
+ stats.num_files += flist->used;
+ if (verbose > 3)
+ output_flist(flist);
+
+ if (DIR_FIRST_CHILD(dp) >= 0) {
+ send_dir_ndx = DIR_FIRST_CHILD(dp);
+ send_dir_depth++;
+ } else {
+ while (DIR_NEXT_SIBLING(dp) < 0) {
+ if ((send_dir_ndx = DIR_PARENT(dp)) < 0) {
+ write_ndx(f, NDX_FLIST_EOF);
+ flist_eof = 1;
+ change_local_filter_dir(NULL, 0, 0);
+ goto finish;
+ }
+ send_dir_depth--;
+ file = dir_flist->sorted[send_dir_ndx];
+ dp = F_DIR_NODE_P(file);
+ }
+ send_dir_ndx = DIR_NEXT_SIBLING(dp);
+ }
+ }
+
+ finish:
+ if (io_error != save_io_error && !ignore_errors)
+ send_msg_int(MSG_IO_ERROR, io_error);
+}
struct file_list *send_file_list(int f, int argc, char *argv[])
{
- int l;
+ static const char *lastdir;
+ static int lastdir_len = -1;
+ int len, dirlen;
STRUCT_STAT st;
- char *p, *dir, olddir[sizeof curr_dir];
- char lastpath[MAXPATHLEN] = "";
+ char *p, *dir;
struct file_list *flist;
struct timeval start_tv, end_tv;
int64 start_write;
int use_ff_fd = 0;
+ 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())
start_filelist_progress("building file list");
+ else if (inc_recurse && verbose && !am_server)
+ rprintf(FCLIENT, "sending incremental file list\n");
start_write = stats.total_written;
gettimeofday(&start_tv, NULL);
- flist = flist_new(WITH_HLINK, "send_file_list");
+ if (relative_paths && protocol_version >= 30)
+ implied_dirs = 1; /* We send flagged implied dirs */
- io_start_buffering_out();
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30 && !cur_flist)
+ init_hard_links();
+#endif
+
+ 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
+ dir_flist = cur_flist;
+
+ disable_buffering = io_start_buffering_out(f);
if (filesfrom_fd >= 0) {
- if (argv[0] && !push_dir(argv[0])) {
- rsyserr(FERROR, errno, "push_dir %s failed",
- full_fname(argv[0]));
+ if (argv[0] && !push_dir(argv[0], 0)) {
+ rsyserr(FERROR, errno, "push_dir %s failed in %s",
+ full_fname(argv[0]), curr_dir);
exit_cleanup(RERR_FILESELECT);
}
use_ff_fd = 1;
}
while (1) {
- struct file_struct *file;
- char fname2[MAXPATHLEN];
- char *fname = fname2;
- int is_dot_dir;
+ char fbuf[MAXPATHLEN], *fn, name_type;
if (use_ff_fd) {
- if (read_filesfrom_line(filesfrom_fd, fname) == 0)
+ if (read_line(filesfrom_fd, fbuf, sizeof fbuf, rl_flags) == 0)
break;
- sanitize_path(fname, fname, "", 0);
+ sanitize_path(fbuf, fbuf, "", 0, NULL);
} else {
if (argc-- == 0)
break;
- strlcpy(fname, *argv++, MAXPATHLEN);
+ strlcpy(fbuf, *argv++, MAXPATHLEN);
if (sanitize_paths)
- sanitize_path(fname, fname, "", 0);
+ sanitize_path(fbuf, fbuf, "", 0, NULL);
}
- l = strlen(fname);
- if (!l || fname[l - 1] == '/') {
- if (l == 2 && fname[0] == '.') {
+ len = strlen(fbuf);
+ if (relative_paths) {
+ /* We clean up fbuf below. */
+ name_type = NORMAL_NAME;
+ } else if (!len || fbuf[len - 1] == '/') {
+ if (len == 2 && fbuf[0] == '.') {
/* Turn "./" into just "." rather than "./." */
- fname[1] = '\0';
- } else if (l < MAXPATHLEN) {
- fname[l++] = '.';
- fname[l] = '\0';
+ fbuf[1] = '\0';
+ } else {
+ if (len + 1 >= MAXPATHLEN)
+ overflow_exit("send_file_list");
+ 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)
+ overflow_exit("send_file_list");
+ fbuf[len++] = '/';
+ fbuf[len++] = '.';
+ fbuf[len] = '\0';
+ 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;
+
+ if (!relative_paths) {
+ p = strrchr(fbuf, '/');
+ if (p) {
+ *p = '\0';
+ if (p == fbuf)
+ dir = "/";
+ else
+ dir = fbuf;
+ len -= p - fbuf + 1;
+ fn = p + 1;
+ } else
+ fn = fbuf;
} else {
- is_dot_dir = fname[l-1] == '.'
- && (l == 1 || fname[l-2] == '/');
+ if ((p = strstr(fbuf, "/./")) != NULL) {
+ *p = '\0';
+ if (p == fbuf)
+ dir = "/";
+ else
+ dir = fbuf;
+ fn = p + 3;
+ while (*fn == '/')
+ fn++;
+ if (!*fn)
+ *--fn = '\0'; /* ensure room for '.' */
+ } else
+ fn = fbuf;
+ 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;
+ }
+ /* 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",
+ fn);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+ }
+
+ if (!*fn) {
+ len = 1;
+ fn = ".";
+ name_type = DOT_NAME;
}
- if (link_stat(fname, &st, keep_dirlinks) != 0) {
+ dirlen = dir ? strlen(dir) : 0;
+ if (dirlen != lastdir_len || memcmp(lastdir, dir, dirlen) != 0) {
+ if (!push_pathname(dir ? strdup(dir) : NULL, dirlen))
+ continue;
+ lastdir = pathname;
+ lastdir_len = pathname_len;
+ } else if (!push_pathname(lastdir, lastdir_len))
+ continue;
+
+ if (fn != fbuf)
+ memmove(fbuf, fn, len + 1);
+
+ if (link_stat(fbuf, &st, copy_dirlinks || name_type != NORMAL_NAME) != 0) {
io_error |= IOERR_GENERAL;
rsyserr(FERROR, errno, "link_stat %s failed",
- full_fname(fname));
+ full_fname(fbuf));
continue;
}
if (S_ISDIR(st.st_mode) && !xfer_dirs) {
- rprintf(FINFO, "skipping directory %s\n",
- safe_fname(fname));
+ rprintf(FINFO, "skipping directory %s\n", fbuf);
continue;
}
- dir = NULL;
- olddir[0] = '\0';
-
- if (!relative_paths) {
- p = strrchr(fname, '/');
- if (p) {
- *p = 0;
- if (p == fname)
- dir = "/";
- else
- dir = fname;
- fname = p + 1;
+ 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(fname,'/')) && p != fname) {
- /* this ensures we send the intermediate directories,
- thus getting their permissions right */
- char *lp = lastpath, *fn = fname, *slash = fname;
- *p = 0;
+ } 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;
+ *p = '\0';
/* Skip any initial directories in our path that we
* have in common with lastpath. */
- while (*fn && *lp == *fn) {
+ for (fn = fbuf; *fn && *lp == *fn; lp++, fn++) {
if (*fn == '/')
slash = fn;
- lp++, fn++;
}
*p = '/';
- if (fn != p || (*lp && *lp != '/')) {
- int save_copy_links = copy_links;
- int save_xfer_dirs = xfer_dirs;
- copy_links = copy_unsafe_links;
- xfer_dirs = 1;
- while ((slash = strchr(slash+1, '/')) != 0) {
- *slash = 0;
- send_file_name(f, flist, fname, 0);
- *slash = '/';
- }
- copy_links = save_copy_links;
- xfer_dirs = save_xfer_dirs;
- *p = 0;
- strlcpy(lastpath, fname, sizeof lastpath);
- *p = '/';
- }
- }
-
- if (!*fname)
- fname = ".";
-
- if (dir && *dir) {
- static char *lastdir;
- static int lastdir_len;
-
- strcpy(olddir, curr_dir); /* can't overflow */
-
- if (!push_dir(dir)) {
- io_error |= IOERR_GENERAL;
- rsyserr(FERROR, errno, "push_dir %s failed",
- full_fname(dir));
- continue;
- }
-
- if (lastdir && strcmp(lastdir, dir) == 0) {
- flist_dir = lastdir;
- flist_dir_len = lastdir_len;
- } else {
- flist_dir = lastdir = strdup(dir);
- flist_dir_len = lastdir_len = strlen(dir);
- }
+ 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 ((file = send_file_name(f, flist, fname, XMIT_TOP_DIR))) {
- if (recurse || (xfer_dirs && is_dot_dir))
- send_if_directory(f, flist, file);
- }
-
- if (olddir[0]) {
- flist_dir = NULL;
- flist_dir_len = 0;
- if (!pop_dir(olddir)) {
- rsyserr(FERROR, errno, "pop_dir %s failed",
- full_fname(dir));
- exit_cleanup(RERR_FILESELECT);
- }
- }
+ if (recurse || (xfer_dirs && name_type != NORMAL_NAME)) {
+ struct file_struct *file;
+ int top_flags = FLAG_TOP_DIR | FLAG_CONTENT_DIR | flags;
+ file = send_file_name(f, flist, fbuf, &st,
+ top_flags, ALL_FILTERS);
+ 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);
}
gettimeofday(&end_tv, NULL);
stats.flist_buildtime = 1;
start_tv = end_tv;
- send_file_entry(NULL, f, 0);
+ write_byte(f, 0); /* Indicate end of file list */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30 && !inc_recurse)
+ idev_destroy();
+#endif
if (show_filelist_p())
finish_filelist_progress(flist);
stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ (end_tv.tv_usec - start_tv.tv_usec) / 1000;
- if (flist->hlink_pool) {
- pool_destroy(flist->hlink_pool);
- flist->hlink_pool = NULL;
- }
+ /* When converting names, both sides keep an unsorted file-list array
+ * because the names will differ on the sending and receiving sides
+ * (both sides will use the unsorted index number for each item). */
/* Sort the list without removing any duplicates. This allows the
- * receiving side to ask for any name they like, which gives us the
- * flexibility to change the way we unduplicate names in the future
- * without causing a compatibility problem with older versions. */
- clean_flist(flist, 0, 0);
+ * 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. */
+ if (need_unsorted_flist) {
+ if (inc_recurse) {
+ if (!(flist->sorted = new_array(struct file_struct *, flist->used)))
+ out_of_memory("send_file_list");
+ memcpy(flist->sorted, flist->files,
+ flist->used * sizeof (struct file_struct*));
+ clean_flist(flist, 0);
+ } else {
+ flist->sorted = flist->files;
+ flist->low = 0;
+ flist->high = flist->used - 1;
+ }
+ } else {
+ flist->sorted = flist->files;
+ clean_flist(flist, 0);
+ }
+ file_total += flist->used;
- /* Now send the uid/gid list. This was introduced in
- * protocol version 15 */
- send_uid_list(f);
+ /* 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);
/* send the io_error flag */
- write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
+ if (protocol_version < 30)
+ write_int(f, ignore_errors ? 0 : io_error);
+ else if (io_error && !ignore_errors)
+ send_msg_int(MSG_IO_ERROR, io_error);
+
+ if (disable_buffering)
+ io_end_buffering_out();
- io_end_buffering();
stats.flist_size = stats.total_written - start_write;
- stats.num_files = flist->count;
+ stats.num_files = flist->used;
if (verbose > 3)
output_flist(flist);
if (verbose > 2)
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);
+ flist_eof = 1;
+ }
+ else if (file_total == 1) {
+ /* If we're creating incremental file-lists and there
+ * was just 1 item in the first file-list, send 1 more
+ * file-list to check if this is a 1-file xfer. */
+ send_extra_file_list(f, 1);
+ }
+ }
+
return flist;
}
-
struct file_list *recv_file_list(int f)
{
struct file_list *flist;
- unsigned short flags;
+ int dstart, flags;
int64 start_read;
+ if (!first_flist)
+ rprintf(FLOG, "receiving file list\n");
if (show_filelist_p())
start_filelist_progress("receiving file list");
+ else if (inc_recurse && verbose && !am_server && !first_flist)
+ rprintf(FCLIENT, "receiving incremental file list\n");
start_read = stats.total_read;
- flist = flist_new(WITH_HLINK, "recv_file_list");
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && !first_flist)
+ init_hard_links();
+#endif
- flist->count = 0;
- flist->malloced = 1000;
- flist->files = new_array(struct file_struct *, flist->malloced);
- if (!flist->files)
- goto oom;
+ flist = flist_new(0, "recv_file_list");
+ if (inc_recurse) {
+ if (flist->ndx_start == 1)
+ dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
+ dstart = dir_flist->used;
+ } else {
+ dir_flist = flist;
+ dstart = 0;
+ }
while ((flags = read_byte(f)) != 0) {
struct file_struct *file;
- flist_expand(flist);
+ flist_expand(flist, 1);
if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
flags |= read_byte(f) << 8;
- file = receive_file_entry(flist, flags, f);
+ file = recv_file_entry(flist, flags, f);
- if (S_ISREG(file->mode))
- stats.total_size += file->length;
+ if (inc_recurse && S_ISDIR(file->mode)) {
+ flist_expand(dir_flist, 1);
+ 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",
- safe_fname(f_name(file)));
+ f_name(file, NULL));
}
}
- receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
+ 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);
- clean_flist(flist, relative_paths, 1);
+ 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->used)))
+ out_of_memory("recv_file_list");
+ memcpy(flist->sorted, flist->files,
+ 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->used);
+ memcpy(dir_flist->sorted + dstart, dir_flist->files + dstart,
+ (dir_flist->used - dstart) * sizeof (struct file_struct*));
+ fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
+ }
+ } else {
+ flist->sorted = flist->files;
+ if (inc_recurse && dir_flist->used > dstart) {
+ dir_flist->sorted = dir_flist->files;
+ fsort(dir_flist->sorted + dstart, dir_flist->used - dstart);
+ }
+ }
- if (f >= 0) {
- /* Now send the uid/gid list. This was introduced in
- * protocol version 15 */
- recv_uid_list(f, flist);
+ if (inc_recurse)
+ flist_done_allocating(flist);
+ else if (f >= 0)
+ recv_id_list(f, flist);
+
+ clean_flist(flist, relative_paths);
+ if (protocol_version < 30) {
/* Recv the io_error flag */
- if (lp_ignore_errors(module_id) || ignore_errors)
+ if (ignore_errors)
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.flist_size += stats.total_read - start_read;
+ stats.num_files += flist->used;
return flist;
-
-oom:
- out_of_memory("recv_file_list");
- return NULL; /* not reached */
}
-
-static int file_compare(struct file_struct **file1, struct file_struct **file2)
+/* This is only used once by the receiver if the very first file-list
+ * has exactly one item in it. */
+void recv_additional_file_list(int f)
{
- return f_name_cmp(*file1, *file2);
+ struct file_list *flist;
+ int ndx = read_ndx(f);
+ if (ndx == NDX_FLIST_EOF) {
+ flist_eof = 1;
+ change_local_filter_dir(NULL, 0, 0);
+ } else {
+ ndx = NDX_FLIST_OFFSET - ndx;
+ 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->used + 1);
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ if (verbose > 3) {
+ rprintf(FINFO, "[%s] receiving flist for dir %d\n",
+ who_am_i(), ndx);
+ }
+ flist = recv_file_list(f);
+ flist->parent_ndx = ndx;
+ }
}
-
/* Search for an identically-named item in the file list. Note that the
* items must agree in their directory-ness, or no match is returned. */
int flist_find(struct file_list *flist, struct file_struct *f)
{
int low = flist->low, high = flist->high;
- int ret, mid, mid_up;
+ int diff, mid, mid_up;
while (low <= high) {
mid = (low + high) / 2;
- for (mid_up = mid; !flist->files[mid_up]->basename; mid_up++) {}
- if (mid_up <= high)
- ret = f_name_cmp(flist->files[mid_up], f);
- else
- ret = 1;
- if (ret == 0) {
+ if (F_IS_ACTIVE(flist->sorted[mid]))
+ mid_up = mid;
+ else {
+ /* Scan for the next non-empty entry using the cached
+ * distance values. If the value isn't fully up-to-
+ * date, update it. */
+ mid_up = mid + F_DEPTH(flist->sorted[mid]);
+ if (!F_IS_ACTIVE(flist->sorted[mid_up])) {
+ do {
+ mid_up += F_DEPTH(flist->sorted[mid_up]);
+ } while (!F_IS_ACTIVE(flist->sorted[mid_up]));
+ F_DEPTH(flist->sorted[mid]) = mid_up - mid;
+ }
+ if (mid_up > high) {
+ /* If there's nothing left above us, set high to
+ * a non-empty entry below us and continue. */
+ high = mid - (int)flist->sorted[mid]->len32;
+ if (!F_IS_ACTIVE(flist->sorted[high])) {
+ do {
+ high -= (int)flist->sorted[high]->len32;
+ } while (!F_IS_ACTIVE(flist->sorted[high]));
+ flist->sorted[mid]->len32 = mid - high;
+ }
+ continue;
+ }
+ }
+ diff = f_name_cmp(flist->sorted[mid_up], f);
+ if (diff == 0) {
if (protocol_version < 29
- && S_ISDIR(flist->files[mid_up]->mode)
+ && S_ISDIR(flist->sorted[mid_up]->mode)
!= S_ISDIR(f->mode))
return -1;
return mid_up;
}
- if (ret > 0)
- high = mid - 1;
- else
+ if (diff < 0)
low = mid_up + 1;
+ else
+ high = mid - 1;
}
return -1;
}
-
/*
* Free up any resources a file_struct has allocated
* and clear the file.
*/
-void clear_file(int i, struct file_list *flist)
+void clear_file(struct file_struct *file)
{
- if (flist->hlink_pool && flist->files[i]->link_u.idev)
- pool_free(flist->hlink_pool, 0, flist->files[i]->link_u.idev);
- memset(flist->files[i], 0, file_struct_len);
+ /* The +1 zeros out the first char of the basename. */
+ memset(file, 0, FILE_STRUCT_LEN + 1);
+ /* In an empty entry, F_DEPTH() is an offset to the next non-empty
+ * entry. Likewise for len32 in the opposite direction. We assume
+ * that we're alone for now since flist_find() will adjust the counts
+ * it runs into that aren't up-to-date. */
+ file->len32 = F_DEPTH(file) = 1;
}
-
-/*
- * allocate a new file list
- */
-struct file_list *flist_new(int with_hlink, char *msg)
+/* Allocate a new file list. */
+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 (struct file_list));
+ if (flags & FLIST_TEMP) {
+ if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0,
+ out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
+ } else {
+ /* This is a doubly linked list with prev looping back to
+ * the end of the list, but the last next pointer is NULL. */
+ if (!first_flist) {
+ flist->file_pool = pool_create(NORMAL_EXTENT, 0,
+ out_of_memory, POOL_INTERN);
+ if (!flist->file_pool)
+ out_of_memory(msg);
- if (!(flist->file_pool = pool_create(FILE_EXTENT, 0,
- out_of_memory, POOL_INTERN)))
- out_of_memory(msg);
+ flist->ndx_start = inc_recurse ? 1 : 0;
-#ifdef SUPPORT_HARD_LINKS
- if (with_hlink && preserve_hard_links) {
- if (!(flist->hlink_pool = pool_create(HLINK_EXTENT,
- sizeof (struct idev), out_of_memory, POOL_INTERN)))
- out_of_memory(msg);
+ first_flist = cur_flist = flist->prev = flist;
+ } else {
+ flist->file_pool = first_flist->file_pool;
+
+ 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;
+ }
+ flist->pool_boundary = pool_boundary(flist->file_pool, 0);
+ flist_cnt++;
}
-#endif
return flist;
}
-/*
- * free up all elements in a flist
- */
+/* Free up all elements in a flist. */
void flist_free(struct file_list *flist)
{
- pool_destroy(flist->file_pool);
- pool_destroy(flist->hlink_pool);
+ if (!flist->prev) {
+ /* Was FLIST_TEMP dir-list. */
+ } else if (flist == flist->prev) {
+ first_flist = cur_flist = NULL;
+ file_total = 0;
+ flist_cnt = 0;
+ } else {
+ if (flist == cur_flist)
+ cur_flist = flist->next;
+ if (flist == first_flist)
+ first_flist = first_flist->next;
+ else {
+ flist->prev->next = flist->next;
+ if (!flist->next)
+ flist->next = first_flist;
+ }
+ flist->next->prev = flist->prev;
+ file_total -= flist->used;
+ flist_cnt--;
+ }
+
+ if (!flist->prev || !flist_cnt)
+ pool_destroy(flist->file_pool);
+ else
+ pool_free_old(flist->file_pool, flist->pool_boundary);
+
+ if (flist->sorted && flist->sorted != flist->files)
+ free(flist->sorted);
free(flist->files);
free(flist);
}
-
-/*
- * This routine ensures we don't have any duplicate names in our file list.
- * duplicate names can cause corruption because of the pipelining
- */
-static void clean_flist(struct file_list *flist, int strip_root, int no_dups)
+/* This routine ensures we don't have any duplicate names in our file list.
+ * duplicate names can cause corruption because of the pipelining. */
+static void clean_flist(struct file_list *flist, int strip_root)
{
- int i, prev_i = 0;
+ char fbuf[MAXPATHLEN];
+ int i, prev_i;
- if (!flist || flist->count == 0)
+ if (!flist)
+ return;
+ if (flist->used == 0) {
+ flist->high = -1;
+ flist->low = 0;
return;
+ }
- sorting_flist = flist;
- qsort(flist->files, flist->count,
- sizeof flist->files[0], (int (*)())file_compare);
- sorting_flist = NULL;
+ fsort(flist->sorted, flist->used);
- for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
- if (flist->files[i]->basename) {
- prev_i = i;
- break;
+ if (!am_sender || inc_recurse) {
+ for (i = prev_i = 0; i < flist->used; i++) {
+ if (F_IS_ACTIVE(flist->sorted[i])) {
+ prev_i = i;
+ break;
+ }
}
+ flist->low = prev_i;
+ } else {
+ i = prev_i = flist->used - 1;
+ flist->low = 0;
}
- flist->low = prev_i;
- while (++i < flist->count) {
+
+ while (++i < flist->used) {
int j;
- struct file_struct *file = flist->files[i];
+ struct file_struct *file = flist->sorted[i];
- if (!file->basename)
+ if (!F_IS_ACTIVE(file))
continue;
- if (f_name_cmp(file, flist->files[prev_i]) == 0)
+ if (f_name_cmp(file, flist->sorted[prev_i]) == 0)
j = prev_i;
else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
int save_mode = file->mode;
} else
j = -1;
if (j >= 0) {
- struct file_struct *fp = flist->files[j];
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. */
- if (S_ISDIR(file->mode) != S_ISDIR(fp->mode)) {
- if (S_ISDIR(file->mode))
+ * 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 (verbose > 1 && !am_server) {
- rprintf(FINFO,
- "removing duplicate name %s from file list (%d)\n",
- safe_fname(f_name(file)), drop);
- }
- /* Make sure that if we unduplicate '.', that we don't
- * lose track of a user-specified top directory. */
- if (flist->files[drop]->flags & FLAG_TOP_DIR)
- flist->files[keep]->flags |= FLAG_TOP_DIR;
- clear_file(drop, flist);
+ 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);
+ }
+ clear_file(flist->sorted[drop]);
+ }
if (keep == i) {
if (flist->low == drop) {
for (j = drop + 1;
- j < i && !flist->files[j]->basename;
+ j < i && !F_IS_ACTIVE(flist->sorted[j]);
j++) {}
flist->low = j;
}
} else
prev_i = i;
}
- flist->high = no_dups ? prev_i : flist->count - 1;
+ flist->high = prev_i;
if (strip_root) {
/* We need to strip off the leading slashes for relative
* paths, but this must be done _after_ the sorting phase. */
for (i = flist->low; i <= flist->high; i++) {
- struct file_struct *file = flist->files[i];
+ struct file_struct *file = flist->sorted[i];
if (!file->dirname)
continue;
- if (*file->dirname == '/') {
- char *s = file->dirname + 1;
- while (*s == '/') s++;
- memmove(file->dirname, s, strlen(s) + 1);
- }
-
+ while (*file->dirname == '/')
+ file->dirname++;
if (!*file->dirname)
file->dirname = NULL;
}
}
-}
+ if (prune_empty_dirs && !am_sender) {
+ int j, prev_depth = 0;
+
+ prev_i = 0; /* It's OK that this isn't really true. */
+
+ for (i = flist->low; i <= flist->high; i++) {
+ struct file_struct *fp, *file = flist->sorted[i];
+
+ /* This temporarily abuses the F_DEPTH() value for a
+ * directory that is in a chain that might get pruned.
+ * We restore the old value if it gets a reprieve. */
+ if (S_ISDIR(file->mode) && F_DEPTH(file)) {
+ /* Dump empty dirs when coming back down. */
+ for (j = prev_depth; j >= F_DEPTH(file); j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ clear_file(fp);
+ }
+ prev_depth = F_DEPTH(file);
+ if (is_excluded(f_name(file, fbuf), 1,
+ ALL_FILTERS)) {
+ /* Keep dirs through this dir. */
+ for (j = prev_depth-1; ; j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ F_DEPTH(fp) = j;
+ }
+ } else
+ F_DEPTH(file) = -prev_i-1;
+ prev_i = i;
+ } else {
+ /* Keep dirs through this non-dir. */
+ for (j = prev_depth; ; j--) {
+ fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ F_DEPTH(fp) = j;
+ }
+ }
+ }
+ /* Dump all remaining empty dirs. */
+ while (1) {
+ struct file_struct *fp = flist->sorted[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ clear_file(fp);
+ }
+
+ for (i = flist->low; i <= flist->high; i++) {
+ if (F_IS_ACTIVE(flist->sorted[i]))
+ break;
+ }
+ flist->low = i;
+ for (i = flist->high; i >= flist->low; i--) {
+ if (F_IS_ACTIVE(flist->sorted[i]))
+ break;
+ }
+ flist->high = i;
+ }
+}
static void output_flist(struct file_list *flist)
{
char uidbuf[16], gidbuf[16], depthbuf[16];
struct file_struct *file;
+ const char *root, *dir, *slash, *name, *trail;
const char *who = who_am_i();
int i;
- for (i = 0; i < flist->count; 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) && preserve_uid)
- sprintf(uidbuf, " uid=%ld", (long)file->uid);
- else
+ if ((am_root || am_sender) && uid_ndx) {
+ snprintf(uidbuf, sizeof uidbuf, " uid=%u",
+ F_OWNER(file));
+ } else
*uidbuf = '\0';
- if (preserve_gid && file->gid != GID_NONE)
- sprintf(gidbuf, " gid=%ld", (long)file->gid);
- else
+ if (gid_ndx) {
+ static char parens[] = "(\0)\0\0\0";
+ char *pp = parens + (file->flags & FLAG_SKIP_GROUP ? 0 : 3);
+ snprintf(gidbuf, sizeof gidbuf, " gid=%s%u%s",
+ pp, F_GROUP(file), pp + 2);
+ } else
*gidbuf = '\0';
if (!am_sender)
- sprintf(depthbuf, "%d", file->dir.depth);
- rprintf(FINFO, "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
- who, i, am_sender ? NS(file->dir.root) : depthbuf,
- file->dirname ? safe_fname(file->dirname) : "",
- file->dirname ? "/" : "", NS(file->basename),
- S_ISDIR(file->mode) ? "/" : "", (int)file->mode,
- (double)file->length, uidbuf, gidbuf, file->flags);
+ snprintf(depthbuf, sizeof depthbuf, "%d", F_DEPTH(file));
+ if (F_IS_ACTIVE(file)) {
+ root = am_sender ? NS(F_PATHNAME(file)) : depthbuf;
+ if ((dir = file->dirname) == NULL)
+ dir = slash = "";
+ else
+ slash = "/";
+ name = file->basename;
+ trail = S_ISDIR(file->mode) ? "/" : "";
+ } else
+ root = dir = slash = name = trail = "";
+ rprintf(FINFO,
+ "[%s] i=%d %s %s%s%s%s mode=0%o len=%.0f%s%s flags=%x\n",
+ who, i + flist->ndx_start,
+ root, dir, slash, name, trail,
+ (int)file->mode, (double)F_LENGTH(file),
+ uidbuf, gidbuf, file->flags);
}
}
-
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.
*
* 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;
enum fnc_type type1, type2;
enum fnc_type t_path = protocol_version >= 29 ? t_PATH : t_ITEM;
- if (!f1 || !f1->basename) {
- if (!f2 || !f2->basename)
+ if (!f1 || !F_IS_ACTIVE(f1)) {
+ if (!f2 || !F_IS_ACTIVE(f2))
return 0;
return -1;
}
- if (!f2 || !f2->basename)
+ if (!f2 || !F_IS_ACTIVE(f2))
return 1;
c1 = (uchar*)f1->dirname;
c1 = c2 = NULL;
if (!c1) {
type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
- c1 = (uchar*)f1->basename;
+ c1 = (const uchar*)f1->basename;
if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
type1 = t_ITEM;
state1 = s_TRAILING;
c1 = (uchar*)"";
} else
state1 = s_BASE;
- } else if (!*c1) {
- type1 = t_path;
- state1 = s_SLASH;
- c1 = (uchar*)"/";
} else {
type1 = t_path;
state1 = s_DIR;
}
if (!c2) {
type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
- c2 = (uchar*)f2->basename;
+ c2 = (const uchar*)f2->basename;
if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
type2 = t_ITEM;
state2 = s_TRAILING;
c2 = (uchar*)"";
} else
state2 = s_BASE;
- } else if (!*c2) {
- type2 = t_path;
- state2 = s_SLASH;
- c2 = (uchar*)"/";
} else {
type2 = t_path;
state2 = s_DIR;
if (type1 != type2)
return type1 == t_PATH ? 1 : -1;
- while (1) {
- if ((dif = (int)*c1++ - (int)*c2++) != 0)
- break;
+ do {
if (!*c1) {
switch (state1) {
case s_DIR:
break;
case s_SLASH:
type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
- state1 = s_BASE;
- c1 = (uchar*)f1->basename;
+ c1 = (const uchar*)f1->basename;
+ if (type1 == t_PATH && *c1 == '.' && !c1[1]) {
+ type1 = t_ITEM;
+ state1 = s_TRAILING;
+ c1 = (uchar*)"";
+ } else
+ state1 = s_BASE;
break;
case s_BASE:
state1 = s_TRAILING;
break;
case s_SLASH:
type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
- state2 = s_BASE;
- c2 = (uchar*)f2->basename;
+ c2 = (const uchar*)f2->basename;
+ if (type2 == t_PATH && *c2 == '.' && !c2[1]) {
+ type2 = t_ITEM;
+ state2 = s_TRAILING;
+ c2 = (uchar*)"";
+ } else
+ state2 = s_BASE;
break;
case s_BASE:
state2 = s_TRAILING;
}
/* FALL THROUGH */
case s_TRAILING:
+ found_prefix = 1;
if (!*c1)
return 0;
type2 = t_ITEM;
if (type1 != type2)
return type1 == t_PATH ? 1 : -1;
}
- }
+ } while ((dif = (int)*c1++ - (int)*c2++) == 0);
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];
+ static unsigned int n;
+
+ n = (n + 1) % (sizeof names / sizeof names[0]);
+
+ return names[n];
+}
/* Return a copy of the full filename of a flist entry, using the indicated
- * buffer. No size-checking is done because we checked the size when creating
- * the file_struct entry.
+ * 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_to(struct file_struct *f, char *fbuf)
+char *f_name(const struct file_struct *f, char *fbuf)
{
- if (!f || !f->basename)
+ if (!f || !F_IS_ACTIVE(f))
return NULL;
+ if (!fbuf)
+ fbuf = f_name_buf();
+
if (f->dirname) {
int len = strlen(f->dirname);
memcpy(fbuf, f->dirname, len);
fbuf[len] = '/';
- strcpy(fbuf + len + 1, f->basename);
+ strlcpy(fbuf + len + 1, f->basename, MAXPATHLEN - (len + 1));
} else
- strcpy(fbuf, f->basename);
- return fbuf;
-}
-
-
-/* Like f_name_to(), but we rotate through 5 static buffers of our own. */
-char *f_name(struct file_struct *f)
-{
- static char names[5][MAXPATHLEN];
- static unsigned int n;
-
- n = (n + 1) % (sizeof names / sizeof names[0]);
+ strlcpy(fbuf, f->basename, MAXPATHLEN);
- return f_name_to(f, names[n]);
+ return fbuf;
}
-
/* Do a non-recursive scan of the named directory, possibly ignoring all
* exclude rules except for the daemon's. If "dlen" is >=0, it is the length
* of the dirname string, and also indicates that "dirname" is a MAXPATHLEN
* buffer (the functions we call will append names onto the end, but the old
* dir value will be restored on exit). */
-struct file_list *get_dirlist(char *dirname, int dlen,
- int ignore_filter_rules)
+struct file_list *get_dirlist(char *dirname, int dlen, int ignore_filter_rules)
{
struct file_list *dirlist;
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);
dirname = dirbuf;
}
- dirlist = flist_new(WITHOUT_HLINK, "get_dirlist");
+ dirlist = flist_new(FLIST_TEMP, "get_dirlist");
recurse = 0;
- send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen);
+ xfer_dirs = 1;
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen, 0);
+ xfer_dirs = save_xfer_dirs;
recurse = save_recurse;
if (do_progress)
- flist_count_offset += dirlist->count;
+ flist_count_offset += dirlist->used;
- clean_flist(dirlist, 0, 0);
+ 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);