/*
- 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.
*
- * @todo Get rid of the string_area optimization. Efficiently
- * allocating blocks is the responsibility of the system's malloc
- * library, not of rsync.
+ * Copyright (C) 1996 Andrew Tridgell
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2002, 2003, 2004, 2005, 2006 Wayne Davison
*
- * @sa http://lists.samba.org/pipermail/rsync/2000-June/002351.html
+ * 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.,
+ * 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
+ */
#include "rsync.h"
-
-extern struct stats stats;
+#include "rounding.h"
extern int verbose;
-extern int do_progress;
+extern int list_only;
+extern int am_root;
extern int am_server;
+extern int am_daemon;
+extern int am_sender;
+extern int do_progress;
extern int always_checksum;
extern int module_id;
extern int ignore_errors;
-
-extern int cvs_exclude;
-
+extern int numeric_ids;
extern int recurse;
-extern char curr_dir[MAXPATHLEN];
-extern char *files_from;
+extern int xfer_dirs;
extern int filesfrom_fd;
-
extern int one_file_system;
-extern int make_backups;
+extern int copy_dirlinks;
+extern int keep_dirlinks;
extern int preserve_links;
extern int preserve_hard_links;
-extern int preserve_perms;
extern int preserve_devices;
+extern int preserve_specials;
extern int preserve_uid;
extern int preserve_gid;
-extern int preserve_times;
extern int relative_paths;
extern int implied_dirs;
+extern int flist_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 struct stats stats;
+extern struct file_list *the_file_list;
-extern int read_batch;
-extern int write_batch;
+extern char curr_dir[MAXPATHLEN];
+
+extern struct chmod_mode_struct *chmod_modes;
-extern struct exclude_struct **exclude_list;
-extern struct exclude_struct **server_exclude_list;
-extern struct exclude_struct **local_exclude_list;
+extern struct filter_list_struct filter_list;
+extern struct filter_list_struct server_filter_list;
int io_error;
+int checksum_len;
+dev_t filesystem_dev; /* used to implement -x */
+
+/* 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[MD4_SUM_LENGTH];
-static struct file_struct null_file;
static char empty_sum[MD4_SUM_LENGTH];
+static int flist_count_offset; /* for --delete --progress */
static void clean_flist(struct file_list *flist, int strip_root, int no_dups);
+static void output_flist(struct file_list *flist);
+void init_flist(void)
+{
+ 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 : MD4_SUM_LENGTH;
+}
static int show_filelist_p(void)
{
- return verbose && (recurse || files_from) && !am_server;
+ return verbose && xfer_dirs && !am_server;
}
static void start_filelist_progress(char *kind)
{
- rprintf(FINFO, "%s ... ", kind);
- if ((verbose > 1) || do_progress)
- rprintf(FINFO, "\n");
+ rprintf(FCLIENT, "%s ... ", kind);
+ if (verbose > 1 || do_progress)
+ rprintf(FCLIENT, "\n");
rflush(FINFO);
}
-
-static void emit_filelist_progress(const struct file_list *flist)
+static void emit_filelist_progress(int count)
{
- rprintf(FINFO, " %d files...\r", flist->count);
+ rprintf(FCLIENT, " %d files...\r", count);
}
-
-static void maybe_emit_filelist_progress(const struct file_list *flist)
+static void maybe_emit_filelist_progress(int count)
{
- if (do_progress && show_filelist_p() && ((flist->count % 100) == 0))
- emit_filelist_progress(flist);
+ 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) {
/* Nothing yet */
}
-
-static struct string_area *string_area_new(int size)
-{
- struct string_area *a;
-
- if (size <= 0)
- size = ARENA_SIZE;
- a = new(struct string_area);
- if (!a)
- out_of_memory("string_area_new");
- a->current = a->base = new_array(char, size);
- if (!a->current)
- out_of_memory("string_area_new buffer");
- a->end = a->base + size;
- a->next = NULL;
-
- return a;
-}
-
-static void string_area_free(struct string_area *a)
-{
- struct string_area *next;
-
- for (; a; a = next) {
- next = a->next;
- free(a->base);
- }
-}
-
-static char *string_area_malloc(struct string_area **ap, int size)
-{
- char *p;
- struct string_area *a;
-
- /* does the request fit into the current space? */
- a = *ap;
- if (a->current + size >= a->end) {
- /* no; get space, move new string_area to front of the list */
- a = string_area_new(size > ARENA_SIZE ? size : ARENA_SIZE);
- a->next = *ap;
- *ap = a;
- }
-
- /* have space; do the "allocation." */
- p = a->current;
- a->current += size;
- return p;
-}
-
-static char *string_area_strdup(struct string_area **ap, const char *src)
-{
- char *dest = string_area_malloc(ap, strlen(src) + 1);
- return strcpy(dest, src);
-}
-
static void list_file_entry(struct file_struct *f)
{
- char perms[11];
+ char permbuf[PERMSTRING_SIZE];
+ double len;
- if (!f->basename)
+ if (!F_IS_ACTIVE(f)) {
/* this can happen if duplicate names were removed */
return;
+ }
- permstring(perms, f->mode);
+ permstring(permbuf, f->mode);
+ len = F_LENGTH(f);
+#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),
- f_name(f), f->u.link);
- } else {
+ permbuf, len, timestring(f->modtime),
+ f_name(f, NULL), F_SYMLINK(f));
+ } else
+#endif
+ {
rprintf(FINFO, "%s %11.0f %s %s\n",
- perms,
- (double) f->length, timestring(f->modtime),
- f_name(f));
+ permbuf, len, timestring(f->modtime),
+ f_name(f, NULL));
}
}
-
-/**
- * Stat either a symlink or its referent, depending on the settings of
- * copy_links, copy_unsafe_links, etc.
- *
- * @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.
- **/
-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)
{
-#if SUPPORT_LINKS
- if (copy_links)
- return do_stat(path, buffer);
- if (do_lstat(path, buffer) == -1)
+#ifdef SUPPORT_LINKS
+ 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",
path, linkbuf);
}
- return do_stat(path, buffer);
+ return do_stat(path, stp);
}
}
return 0;
#else
- return do_stat(path, buffer);
+ return do_stat(path, stp);
#endif
}
-int link_stat(const char *path, STRUCT_STAT * buffer)
+int link_stat(const char *path, STRUCT_STAT *stp, int follow_dirlinks)
{
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (copy_links)
- return do_stat(path, buffer);
- return do_lstat(path, buffer);
+ return do_stat(path, stp);
+ if (do_lstat(path, stp) < 0)
+ return -1;
+ if (follow_dirlinks && S_ISLNK(stp->st_mode)) {
+ STRUCT_STAT st;
+ if (do_stat(path, &st) == 0 && S_ISDIR(st.st_mode))
+ *stp = st;
+ }
+ return 0;
#else
- return do_stat(path, buffer);
+ return do_stat(path, stp);
#endif
}
-/*
- * This function is used to check if a file should be included/excluded
+/* This function is used to check if a file should be included/excluded
* from the list of files based on its name and type etc. The value of
- * exclude_level is set to either SERVER_EXCLUDES or ALL_EXCLUDES.
- */
-static int check_exclude_file(char *fname, int is_dir, int exclude_level)
+ * filter_level is set to either SERVER_FILTERS or ALL_FILTERS. */
+static int is_excluded(char *fname, int is_dir, int filter_level)
{
#if 0 /* This currently never happens, so avoid a useless compare. */
- if (exclude_level == NO_EXCLUDES)
+ if (filter_level == NO_FILTERS)
return 0;
#endif
if (fname) {
return 0;
}
}
- if (server_exclude_list
- && check_exclude(server_exclude_list, fname, is_dir))
+ if (server_filter_list.head
+ && check_filter(&server_filter_list, fname, is_dir) < 0)
return 1;
- if (exclude_level != ALL_EXCLUDES)
+ if (filter_level != ALL_FILTERS)
return 0;
- if (exclude_list && check_exclude(exclude_list, fname, is_dir))
- return 1;
- if (local_exclude_list
- && check_exclude(local_exclude_list, fname, is_dir))
+ if (filter_list.head
+ && check_filter(&filter_list, fname, is_dir) < 0)
return 1;
return 0;
}
-/* used by the one_file_system code */
-static dev_t filesystem_dev;
-
-static void set_filesystem(char *fname)
-{
- STRUCT_STAT st;
- if (link_stat(fname, &st) != 0)
- return;
- filesystem_dev = st.st_dev;
-}
-
-
static int to_wire_mode(mode_t mode)
{
- if (S_ISLNK(mode) && (_S_IFLNK != 0120000))
+#ifdef SUPPORT_LINKS
+#if _S_IFLNK != 0120000
+ if (S_ISLNK(mode))
return (mode & ~(_S_IFMT)) | 0120000;
- return (int) mode;
+#endif
+#endif
+ return mode;
}
static mode_t from_wire_mode(int mode)
{
- if ((mode & (_S_IFMT)) == 0120000 && (_S_IFLNK != 0120000))
+#if _S_IFLNK != 0120000
+ if ((mode & (_S_IFMT)) == 0120000)
return (mode & ~(_S_IFMT)) | _S_IFLNK;
- return (mode_t) mode;
+#endif
+ return mode;
}
+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 *dir);
-
-static char *flist_dir;
+static const char *flist_dir;
static int flist_dir_len;
* Make sure @p flist is big enough to hold at least @p flist->count
* entries.
**/
-static void flist_expand(struct file_list *flist)
+void flist_expand(struct file_list *flist)
{
- if (flist->count >= flist->malloced) {
- void *new_ptr;
-
- if (flist->malloced < 1000)
- flist->malloced += 1000;
- else
- flist->malloced *= 2;
+ struct file_struct **new_ptr;
- if (flist->files) {
- new_ptr = realloc_array(flist->files,
- struct file_struct *,
- flist->malloced);
- } else {
- new_ptr = new_array(struct file_struct *,
- flist->malloced);
- }
+ if (flist->count < flist->malloced)
+ return;
- if (verbose >= 2) {
- rprintf(FINFO, "[%s] expand file_list to %.0f bytes, did%s move\n",
- who_am_i(),
- (double)sizeof(flist->files[0])
- * flist->malloced,
- (new_ptr == flist->files) ? " not" : "");
- }
+ if (flist->malloced < FLIST_START)
+ flist->malloced = FLIST_START;
+ else if (flist->malloced >= FLIST_LINEAR)
+ flist->malloced += FLIST_LINEAR;
+ 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;
+
+ new_ptr = realloc_array(flist->files, struct file_struct *,
+ flist->malloced);
+
+ if (verbose >= 2 && flist->malloced != FLIST_START) {
+ rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n",
+ who_am_i(),
+ (double)sizeof flist->files[0] * flist->malloced,
+ (new_ptr == flist->files) ? " not" : "");
+ }
- flist->files = (struct file_struct **) new_ptr;
+ flist->files = new_ptr;
- if (!flist->files)
- out_of_memory("flist_expand");
- }
+ if (!flist->files)
+ out_of_memory("flist_expand");
}
-void send_file_entry(struct file_struct *file, int f, unsigned short base_flags)
+static void send_file_entry(struct file_struct *file, int f, int ndx)
{
unsigned short flags;
static time_t modtime;
static mode_t mode;
- static DEV64_T rdev, rdev_high;
- static DEV64_T dev;
+ static int64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
static char lastname[MAXPATHLEN];
- char *fname, fbuf[MAXPATHLEN];
+ char fname[MAXPATHLEN];
+ int first_hlink_ndx = -1;
int l1, l2;
- if (f == -1)
- return;
-
- if (!file) {
- write_byte(f, 0);
- modtime = 0, mode = 0;
- rdev = 0, rdev_high = 0, dev = 0;
- uid = 0, gid = 0;
- *lastname = '\0';
- return;
- }
-
- io_write_phase = "send_file_entry";
-
- fname = f_name_to(file, fbuf);
+ f_name(file, fname);
- flags = base_flags;
+ flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
if (file->mode == mode)
flags |= 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) {
- /* Set both flags to simplify the test
- * when writing the data. */
- flags |= XMIT_SAME_RDEV_pre28
- | XMIT_SAME_HIGH_RDEV;
- } else
- rdev = file->u.rdev;
- } else
- rdev = 0;
- } else if (IS_DEVICE(mode)) {
- if ((file->u.rdev & ~0xFF) == rdev_high)
- flags |= XMIT_SAME_HIGH_RDEV;
- else {
- rdev = file->u.rdev;
- rdev_high = rdev & ~0xFF;
- }
+ if (tmp_rdev == rdev)
+ flags |= XMIT_SAME_RDEV_pre28;
+ else
+ rdev = tmp_rdev;
+ } else {
+ rdev = tmp_rdev;
+ if ((uint32)major(rdev) == rdev_major)
+ flags |= XMIT_SAME_RDEV_MAJOR;
+ else
+ rdev_major = major(rdev);
+ if ((uint32)minor(rdev) <= 0xFFu)
+ flags |= XMIT_RDEV_MINOR_IS_SMALL;
}
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+ if (preserve_uid) {
+ if (F_UID(file) == uid)
+ flags |= XMIT_SAME_UID;
+ else
+ uid = F_UID(file);
+ }
+ if (preserve_gid) {
+ if (F_GID(file) == gid)
+ flags |= XMIT_SAME_GID;
+ else
+ gid = F_GID(file);
}
- 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;
else
modtime = file->modtime;
- 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;
+
+#ifdef SUPPORT_HARD_LINKS
+ if (tmp_dev != 0) {
+ if (protocol_version >= 30) {
+ struct idev_node *np = idev_node(tmp_dev, tmp_ino);
+ first_hlink_ndx = (int32)np->data - 1;
+ if (first_hlink_ndx < 0) {
+ np->data = (void*)(ndx + 1);
+ flags |= XMIT_HLINK_FIRST;
+ }
+ flags |= XMIT_HLINKED;
+ } else {
+ if (tmp_dev == dev) {
+ if (protocol_version >= 28)
+ flags |= XMIT_SAME_DEV_pre30;
+ } else
+ dev = tmp_dev;
+ flags |= XMIT_HLINKED;
+ }
}
+#endif
for (l1 = 0;
- lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
- l1++) {}
+ lastname[l1] && (fname[l1] == lastname[l1]) && (l1 < 255);
+ l1++) {}
l2 = strlen(fname+l1);
if (l1 > 0)
flags |= XMIT_TOP_DIR;
if ((flags & 0xFF00) || !flags) {
flags |= XMIT_EXTENDED_FLAGS;
- write_byte(f, flags);
- write_byte(f, flags >> 8);
+ write_shortint(f, flags);
} else
write_byte(f, flags);
} else {
- if (!(flags & 0xFF) && !S_ISDIR(mode))
- flags |= XMIT_TOP_DIR;
if (!(flags & 0xFF))
- flags |= XMIT_LONG_NAME;
+ flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
write_byte(f, flags);
}
if (flags & XMIT_SAME_NAME)
write_byte(f, l2);
write_buf(f, fname + l1, l2);
- write_longint(f, file->length);
+ if (first_hlink_ndx >= 0) {
+ write_int(f, first_hlink_ndx);
+ goto the_end;
+ }
+
+ write_longint(f, F_LENGTH(file));
if (!(flags & XMIT_SAME_TIME))
write_int(f, modtime);
if (!(flags & XMIT_SAME_MODE))
write_int(f, to_wire_mode(mode));
if (preserve_uid && !(flags & XMIT_SAME_UID)) {
- add_uid(uid);
+ if (!numeric_ids)
+ add_uid(uid);
write_int(f, uid);
}
if (preserve_gid && !(flags & XMIT_SAME_GID)) {
- add_gid(gid);
+ if (!numeric_ids)
+ add_gid(gid);
write_int(f, gid);
}
- if (preserve_devices && IS_DEVICE(mode)) {
- /* If XMIT_SAME_HIGH_RDEV is off, XMIT_SAME_RDEV_pre28 is
- * also off. */
- if (!(flags & XMIT_SAME_HIGH_RDEV))
- write_int(f, rdev);
- else if (protocol_version >= 28)
- write_byte(f, rdev);
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ if (protocol_version < 28) {
+ if (!(flags & 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)
+ write_byte(f, minor(rdev));
+ else
+ write_int(f, minor(rdev));
+ }
}
-#if SUPPORT_LINKS
+#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
- int len = strlen(file->u.link);
+ const char *sl = F_SYMLINK(file);
+ int len = strlen(sl);
write_int(f, len);
- write_buf(f, file->u.link, len);
+ write_buf(f, sl, len);
}
#endif
-#if SUPPORT_HARD_LINKS
- if (flags & XMIT_HAS_IDEV_DATA) {
+#ifdef SUPPORT_HARD_LINKS
+ 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 (!(flags & 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";
}
-
-
-void receive_file_entry(struct file_struct **fptr, unsigned short flags, int f)
+static struct file_struct *recv_file_entry(struct file_list *flist,
+ unsigned short flags, int f)
{
static time_t modtime;
static mode_t mode;
- static DEV64_T rdev, rdev_high;
- static DEV64_T dev;
+ static int64 dev;
+ static dev_t rdev;
+ static uint32 rdev_major;
static uid_t uid;
static gid_t gid;
- static char lastname[MAXPATHLEN];
+ 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;
- char *p;
+ int alloc_len, basename_len, dirname_len, linkname_len;
+ int extra_len = flist_extra_cnt * EXTRA_LEN;
+ int first_hlink_ndx = -1;
+ OFF_T file_length;
+ char *basename, *dirname, *bp;
struct file_struct *file;
- if (!fptr) {
+ if (!flist) {
modtime = 0, mode = 0;
- rdev = 0, rdev_high = 0, dev = 0;
+ dev = 0, rdev = MAKEDEV(0, 0);
+ rdev_major = 0;
uid = 0, gid = 0;
*lastname = '\0';
- return;
+ lastdir_len = -1;
+ in_del_hier = 0;
+ return NULL;
}
if (flags & XMIT_SAME_NAME)
else
l2 = read_byte(f);
- file = new(struct file_struct);
- if (!file)
- out_of_memory("receive_file_entry");
- memset((char *) file, 0, sizeof(*file));
- (*fptr) = file;
-
if (l2 >= MAXPATHLEN - l1) {
rprintf(FERROR,
- "overflow: flags=0x%x l1=%d l2=%d lastname=%s\n",
- flags, l1, l2, lastname);
- overflow("receive_file_entry");
+ "overflow: flags=0x%x l1=%d l2=%d lastname=%s [%s]\n",
+ flags, l1, l2, lastname, who_am_i());
+ overflow_exit("recv_file_entry");
}
strlcpy(thisname, lastname, l1 + 1);
thisname[l1 + l2] = 0;
strlcpy(lastname, thisname, MAXPATHLEN);
- lastname[MAXPATHLEN - 1] = 0;
- clean_fname(thisname);
+ clean_fname(thisname, 0);
- if (sanitize_paths) {
- sanitize_path(thisname, NULL);
+ if (sanitize_paths)
+ 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 {
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
}
-
- if ((p = strrchr(thisname, '/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir) == 0)
- file->dirname = lastdir;
- else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
+ basename_len = strlen(basename) + 1; /* count the '\0' */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (protocol_version >= 30
+ && BITS_SETnUNSET(flags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
+ struct file_struct *first;
+ first_hlink_ndx = read_int(f);
+ if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->count) {
+ rprintf(FERROR,
+ "hard-link reference out of range: %d (%d)\n",
+ first_hlink_ndx, flist->count);
+ exit_cleanup(RERR_PROTOCOL);
}
- file->basename = strdup(p + 1);
- } else {
- file->dirname = NULL;
- file->basename = strdup(thisname);
+ first = flist->files[first_hlink_ndx];
+ file_length = F_LENGTH(first);
+ modtime = first->modtime;
+ mode = first->mode;
+ if (preserve_uid)
+ uid = F_UID(first);
+ if (preserve_gid)
+ gid = F_GID(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));
+ }
+ if (preserve_links && S_ISLNK(mode))
+ linkname_len = strlen(F_SYMLINK(first)) + 1;
+ else
+ linkname_len = 0;
+ goto create_object;
}
+#endif
- if (!file->basename)
- out_of_memory("receive_file_entry 1");
-
- file->flags = flags & XMIT_TOP_DIR ? FLAG_TOP_DIR : 0;
- file->length = read_longint(f);
+ file_length = read_longint(f);
if (!(flags & XMIT_SAME_TIME))
modtime = (time_t)read_int(f);
- file->modtime = modtime;
if (!(flags & XMIT_SAME_MODE))
mode = from_wire_mode(read_int(f));
- file->mode = mode;
- if (preserve_uid) {
- if (!(flags & XMIT_SAME_UID))
- uid = (uid_t)read_int(f);
- file->uid = uid;
- }
- if (preserve_gid) {
- if (!(flags & XMIT_SAME_GID))
- gid = (gid_t)read_int(f);
- file->gid = gid;
- }
- if (preserve_devices) {
+ if (chmod_modes && !S_ISLNK(mode))
+ mode = tweak_mode(mode, chmod_modes);
+
+ 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 ((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 = (DEV64_T)read_int(f);
- file->u.rdev = rdev;
- } else
- rdev = 0;
- } else if (IS_DEVICE(mode)) {
- if (!(flags & XMIT_SAME_HIGH_RDEV)) {
- rdev = (DEV64_T)read_int(f);
- rdev_high = rdev & ~0xFF;
- } else
- rdev = rdev_high | (DEV64_T)read_byte(f);
- file->u.rdev = rdev;
+ if (!(flags & 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)
+ rdev_minor = read_byte(f);
+ else
+ rdev_minor = read_int(f);
+ rdev = MAKEDEV(rdev_major, rdev_minor);
}
- }
+ extra_len += 2 * EXTRA_LEN;
+ file_length = 0;
+ } else if (protocol_version < 28)
+ rdev = MAKEDEV(0, 0);
+#ifdef SUPPORT_LINKS
if (preserve_links && S_ISLNK(mode)) {
- int len = read_int(f);
- if (len < 0 || len >= MAXPATHLEN) {
- rprintf(FERROR, "overflow: len=%d\n", len);
- overflow("receive_file_entry");
+ linkname_len = read_int(f) + 1; /* count the '\0' */
+ if (linkname_len <= 0 || linkname_len > MAXPATHLEN) {
+ rprintf(FERROR, "overflow: linkname_len=%d\n",
+ linkname_len - 1);
+ overflow_exit("recv_file_entry");
}
- if (!(file->u.link = new_array(char, len + 1)))
- out_of_memory("receive_file_entry 2");
- read_sbuf(f, file->u.link, len);
+ }
+ else
+#endif
+ linkname_len = 0;
+
+#ifdef SUPPORT_HARD_LINKS
+ create_object:
+ if (preserve_hard_links) {
+ if (protocol_version < 28 && S_ISREG(mode))
+ flags |= XMIT_HLINKED;
+ if (flags & XMIT_HLINKED)
+ extra_len += 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;
+
+#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 + dirname_len
+ + linkname_len;
+ bp = pool_alloc(flist->file_pool, alloc_len, "recv_file_entry");
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (flags & XMIT_HLINKED)
+ file->flags |= FLAG_HLINKED;
+#endif
+ file->modtime = 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;
+ if (preserve_uid)
+ F_UID(file) = uid;
+ if (preserve_gid)
+ F_GID(file) = 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);
+ F_DEPTH(file) = lastdir_depth + 1;
+ } else if (dirname) {
+ file->dirname = dirname; /* we're reusing lastname */
+ F_DEPTH(file) = lastdir_depth + 1;
+ } else
+ F_DEPTH(file) = 1;
+
+ if (S_ISDIR(mode)) {
+ if (basename_len == 1+1 && *basename == '.') /* +1 for '\0' */
+ F_DEPTH(file)--;
+ if (flags & XMIT_TOP_DIR) {
+ in_del_hier = recurse;
+ del_hier_name_len = F_DEPTH(file) == 0 ? 0 : l1 + l2;
+ if (relative_paths && del_hier_name_len > 2
+ && lastname[del_hier_name_len-1] == '.'
+ && lastname[del_hier_name_len-2] == '/')
+ del_hier_name_len -= 2;
+ file->flags |= FLAG_TOP_DIR | FLAG_XFER_DIR;
+ } else if (in_del_hier) {
+ if (!relative_paths || !del_hier_name_len
+ || (l1 >= del_hier_name_len
+ && lastname[del_hier_name_len] == '/'))
+ file->flags |= FLAG_XFER_DIR;
+ else
+ in_del_hier = 0;
+ }
+ }
+
+ 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) {
+ bp = (char*)file->basename + basename_len;
+ if (first_hlink_ndx >= 0) {
+ struct file_struct *first = flist->files[first_hlink_ndx];
+ memcpy(bp, F_SYMLINK(first), linkname_len);
+ } else
+ read_sbuf(f, bp, linkname_len - 1);
if (sanitize_paths)
- sanitize_path(file->u.link, file->dirname);
- }
-#if SUPPORT_HARD_LINKS
- if (preserve_hard_links && protocol_version < 28 && S_ISREG(mode))
- flags |= XMIT_HAS_IDEV_DATA;
- if (flags & XMIT_HAS_IDEV_DATA) {
- if (!(file->link_u.idev = new(struct idev)))
- out_of_memory("file inode data");
- if (protocol_version < 26) {
- dev = read_int(f);
- file->F_INODE = read_int(f);
+ sanitize_path(bp, bp, "", lastdir_depth, NULL);
+ }
+#endif
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flags & XMIT_HLINKED) {
+ if (protocol_version >= 30) {
+ F_HL_GNUM(file) = flags & XMIT_HLINK_FIRST
+ ? flist->count : first_hlink_ndx;
} else {
- if (!(flags & XMIT_SAME_DEV))
- dev = read_longint(f);
- file->F_INODE = read_longint(f);
+ static int32 cnt = 0;
+ struct idev_node *np;
+ int64 ino;
+ int32 ndx;
+ if (protocol_version < 26) {
+ dev = read_int(f);
+ ino = read_int(f);
+ } else {
+ if (!(flags & XMIT_SAME_DEV_pre30))
+ dev = read_longint(f);
+ ino = read_longint(f);
+ }
+ np = idev_node(dev, ino);
+ ndx = (int32)np->data - 1;
+ if (ndx < 0) {
+ ndx = cnt++;
+ np->data = (void*)cnt;
+ }
+ F_HL_GNUM(file) = ndx;
}
- file->F_DEV = dev;
}
#endif
- if (always_checksum) {
- char *sum;
- if (S_ISREG(mode)) {
- sum = file->u.sum = new_array(char, MD4_SUM_LENGTH);
- if (!sum)
- out_of_memory("md4 sum");
- } else if (protocol_version < 28) {
+ if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
+ if (S_ISREG(mode))
+ bp = (char*)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 >= 0) {
+ struct file_struct *first = flist->files[first_hlink_ndx];
+ memcpy(bp, F_SUM(first), checksum_len);
+ } else
+ read_buf(f, bp, checksum_len);
}
- if (!preserve_perms) {
- extern int orig_umask;
- /* set an appropriate set of permissions based on original
- * permissions and umask. This emulates what GNU cp does */
- file->mode &= ~orig_umask;
- }
+ return file;
}
-
-#define STRDUP(ap, p) (ap ? string_area_strdup(ap, p) : strdup(p))
-/* IRIX cc cares that the operands to the ternary have the same type. */
-#define MALLOC(ap, i) (ap ? (void*) string_area_malloc(ap, i) : malloc(i))
-
/**
* Create a file_struct for a named file by reading its stat()
* information and performing extensive checks against global
* 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 string_area **ap,
- int exclude_level)
+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 *p;
char thisname[MAXPATHLEN];
char linkname[MAXPATHLEN];
- unsigned short flags = 0;
+ int alloc_len, basename_len, dirname_len, linkname_len;
+ int extra_len = flist_extra_cnt * EXTRA_LEN;
+ char *basename, *dirname, *bp;
+
+ if (!flist || !flist->count) /* Ignore lastdir when invalid. */
+ lastdir_len = -1;
if (strlcpy(thisname, fname, sizeof thisname)
>= sizeof thisname - flist_dir_len) {
rprintf(FINFO, "skipping overly long name: %s\n", fname);
return NULL;
}
- clean_fname(thisname);
+ clean_fname(thisname, 0);
if (sanitize_paths)
- sanitize_path(thisname, NULL);
-
- memset(sum, 0, SUM_LENGTH);
+ sanitize_path(thisname, thisname, "", 0, NULL);
- 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;
- if (errno == ENOENT && exclude_level != NO_EXCLUDES) {
- /* either symlink pointing nowhere or file that
- * was removed during rsync run; see if excluded
- * before reporting an error */
- if (check_exclude_file(thisname, 0, exclude_level)) {
- /* file is excluded anyway, ignore silently */
- return NULL;
+ /* See if file is excluded before reporting an error. */
+ if (filter_level != NO_FILTERS
+ && (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
+ && S_ISLNK(st.st_mode)) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR, "symlink has no referent: %s\n",
+ full_fname(thisname));
+ } else
+#endif
+ {
+ enum logcode c = am_daemon && protocol_version < 28
+ ? FERROR : FINFO;
+ io_error |= IOERR_VANISHED;
+ rprintf(c, "file has vanished: %s\n",
+ full_fname(thisname));
}
+ } else {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, save_errno, "readlink %s failed",
+ full_fname(thisname));
}
- io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readlink %s failed: %s\n",
- full_fname(thisname), strerror(save_errno));
return NULL;
}
- /* backup.c calls us with exclude_level set to NO_EXCLUDES. */
- if (exclude_level == NO_EXCLUDES)
- goto skip_excludes;
+ /* backup.c calls us with filter_level set to NO_FILTERS. */
+ if (filter_level == NO_FILTERS)
+ goto skip_filters;
- if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
rprintf(FINFO, "skipping directory %s\n", thisname);
return NULL;
}
- if (one_file_system && st.st_dev != filesystem_dev) {
- /* We allow a directory though to preserve the mount point.
- * However, flag it so that we don't recurse. */
- if (!S_ISDIR(st.st_mode))
+ /* -x only affects directories because we need to avoid recursing
+ * into a mount-point directory, not to avoid copying a symlinked
+ * file if -L (or similar) was specified. */
+ if (one_file_system && st.st_dev != filesystem_dev
+ && S_ISDIR(st.st_mode)) {
+ if (one_file_system > 1) {
+ if (verbose > 2) {
+ rprintf(FINFO, "skipping mount-point dir %s\n",
+ thisname);
+ }
return NULL;
- flags |= FLAG_MOUNT_POINT;
+ }
+ flags |= FLAG_MOUNT_DIR;
}
- if (check_exclude_file(thisname, S_ISDIR(st.st_mode) != 0, exclude_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) && access(thisname, R_OK) != 0)
- return NULL;
+ if (lp_ignore_nonreadable(module_id)) {
+#ifdef SUPPORT_LINKS
+ if (!S_ISLNK(st.st_mode))
+#endif
+ if (access(thisname, R_OK) != 0)
+ return NULL;
+ }
- skip_excludes:
+ skip_filters:
if (verbose > 2) {
rprintf(FINFO, "[%s] make_file(%s,*,%d)\n",
- who_am_i(), thisname, exclude_level);
+ who_am_i(), thisname, filter_level);
}
- file = new(struct file_struct);
- if (!file)
- out_of_memory("make_file");
- memset((char *) file, 0, sizeof(*file));
- file->flags = flags;
-
- if ((p = strrchr(thisname, '/'))) {
- static char *lastdir;
- *p = 0;
- if (lastdir && strcmp(thisname, lastdir) == 0)
- file->dirname = lastdir;
- else {
- file->dirname = strdup(thisname);
- lastdir = file->dirname;
- }
- file->basename = STRDUP(ap, p + 1);
- *p = '/';
+ 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 {
- file->dirname = NULL;
- file->basename = STRDUP(ap, thisname);
+ basename = thisname;
+ dirname = NULL;
+ dirname_len = 0;
}
+ basename_len = strlen(basename) + 1; /* count the '\0' */
- 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;
- if (preserve_hard_links) {
- if (protocol_version < 28 ? S_ISREG(st.st_mode)
- : !S_ISDIR(st.st_mode) && st.st_nlink > 1) {
- if (!(file->link_u.idev = new(struct idev)))
- out_of_memory("file inode data");
- file->F_DEV = st.st_dev;
- file->F_INODE = st.st_ino;
- }
+#ifdef SUPPORT_LINKS
+ linkname_len = S_ISLNK(st.st_mode) ? strlen(linkname) + 1 : 0;
+#else
+ linkname_len = 0;
+#endif
+
+ if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
+ extra_len += EXTRA_LEN;
+
+#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 + dirname_len
+ + linkname_len;
+ if (flist)
+ bp = pool_alloc(flist->file_pool, alloc_len, "make_file");
+ else {
+ if (!(bp = new_array(char, alloc_len)))
+ out_of_memory("make_file");
+ }
+
+ memset(bp, 0, extra_len + FILE_STRUCT_LEN);
+ bp += extra_len;
+ file = (struct file_struct *)bp;
+ bp += FILE_STRUCT_LEN;
+
+ memcpy(bp, basename, basename_len);
+ bp += basename_len + linkname_len; /* skip space for symlink too */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && flist) {
+ 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;
}
-#ifdef HAVE_STRUCT_STAT_ST_RDEV
- if (preserve_devices && IS_DEVICE(st.st_mode))
- file->u.rdev = st.st_rdev;
#endif
-#if SUPPORT_LINKS
- if (S_ISLNK(st.st_mode))
- file->u.link = STRDUP(ap, linkname);
+#ifdef HAVE_STRUCT_STAT_ST_RDEV
+ if (IS_DEVICE(st.st_mode) || IS_SPECIAL(st.st_mode)) {
+ tmp_rdev = st.st_rdev;
+ st.st_size = 0;
+ }
#endif
- if (always_checksum && S_ISREG(st.st_mode)) {
- if (!(file->u.sum = (char*)MALLOC(ap, MD4_SUM_LENGTH)))
- out_of_memory("md4 sum");
- file_checksum(thisname, file->u.sum, st.st_size);
+ 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 (preserve_uid)
+ F_UID(file) = st.st_uid;
+ if (preserve_gid)
+ F_GID(file) = st.st_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';
+ } else if (dirname)
+ file->dirname = dirname;
+
+#ifdef SUPPORT_LINKS
+ if (linkname_len) {
+ bp = (char*)file->basename + basename_len;
+ memcpy(bp, linkname, linkname_len);
}
+#endif
- file->basedir = flist_dir;
+ if (always_checksum && am_sender && S_ISREG(st.st_mode))
+ file_checksum(thisname, tmp_sum, st.st_size);
+
+ F_ROOTDIR(file) = flist_dir;
+
+ /* 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 with our name. */
+ if (flist_find(the_file_list, file) >= 0
+ && do_stat(thisname, &st2) == 0 && S_ISDIR(st2.st_mode)) {
+ file->modtime = st2.st_mtime;
+ file->len32 = 0;
+ file->mode = st2.st_mode;
+ if (preserve_uid)
+ F_UID(file) = st2.st_uid;
+ if (preserve_gid)
+ F_GID(file) = st2.st_gid;
+ } else
+ file->mode = save_mode;
+ }
- if (!S_ISDIR(st.st_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;
+
return file;
}
+/* Only called for temporary file_struct entries created by make_file(). */
+void unmake_file(struct file_struct *file)
+{
+ int extra_cnt = flist_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));
+}
-void send_file_name(int f, struct file_list *flist, char *fname,
- int recursive, unsigned short base_flags)
+static struct file_struct *send_file_name(int f, struct file_list *flist,
+ char *fname, STRUCT_STAT *stp,
+ unsigned short flags)
{
struct file_struct *file;
- char fbuf[MAXPATHLEN];
- extern int delete_excluded;
-
- /* f is set to -1 when calculating deletion file list */
- file = make_file(fname, &flist->string_area,
- f == -1 && delete_excluded? SERVER_EXCLUDES
- : ALL_EXCLUDES);
+ file = make_file(fname, flist, stp, flags,
+ f == -2 ? SERVER_FILTERS : ALL_FILTERS);
if (!file)
- return;
-
- maybe_emit_filelist_progress(flist);
+ return NULL;
- flist_expand(flist);
+ if (chmod_modes && !S_ISLNK(file->mode))
+ file->mode = tweak_mode(file->mode, chmod_modes);
- if (write_batch)
- file->flags |= FLAG_TOP_DIR;
+ maybe_emit_filelist_progress(flist->count + flist_count_offset);
- if (file->basename[0]) {
- flist->files[flist->count++] = file;
- send_file_entry(file, f, base_flags);
- }
+ flist_expand(flist);
+ flist->files[flist->count++] = file;
+ if (f >= 0)
+ send_file_entry(file, f, flist->count - 1);
+ return file;
+}
- if (recursive && S_ISDIR(file->mode)
- && !(file->flags & FLAG_MOUNT_POINT)) {
- struct exclude_struct **last_exclude_list = local_exclude_list;
- send_directory(f, flist, f_name_to(file, fbuf));
- local_exclude_list = last_exclude_list;
- return;
+static void send_if_directory(int f, struct file_list *flist,
+ struct file_struct *file,
+ char *fbuf, unsigned int ol)
+{
+ char is_dot_dir = fbuf[ol-1] == '.' && (ol == 1 || fbuf[ol-2] == '/');
+
+ if (S_ISDIR(file->mode)
+ && !(file->flags & FLAG_MOUNT_DIR) && f_name(file, fbuf)) {
+ void *save_filters;
+ unsigned int len = strlen(fbuf);
+ if (len > 1 && fbuf[len-1] == '/')
+ fbuf[--len] = '\0';
+ if (len >= MAXPATHLEN - 1) {
+ io_error |= IOERR_GENERAL;
+ rprintf(FERROR, "skipping long-named directory: %s\n",
+ full_fname(fbuf));
+ return;
+ }
+ save_filters = push_local_filters(fbuf, len);
+ send_directory(f, flist, fbuf, len);
+ pop_local_filters(save_filters);
+ fbuf[ol] = '\0';
+ if (is_dot_dir)
+ fbuf[ol-1] = '.';
}
}
-
-static void send_directory(int f, struct file_list *flist, char *dir)
+/* 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)
{
- DIR *d;
struct dirent *di;
- char fname[MAXPATHLEN];
- unsigned int offset;
+ unsigned remainder;
char *p;
+ DIR *d;
+ int start = flist->count;
- d = opendir(dir);
- if (!d) {
+ if (!(d = opendir(fbuf))) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "opendir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "opendir %s failed", full_fname(fbuf));
return;
}
- offset = strlcpy(fname, dir, MAXPATHLEN);
- p = fname + offset;
- if (offset >= MAXPATHLEN || p[-1] != '/') {
- if (offset >= MAXPATHLEN - 1) {
- io_error |= IOERR_GENERAL;
- rprintf(FERROR, "skipping long-named directory: %s\n",
- full_fname(fname));
- closedir(d);
- return;
- }
+ p = fbuf + len;
+ if (len != 1 || *fbuf != '/')
*p++ = '/';
- offset++;
- }
-
- local_exclude_list = NULL;
-
- if (cvs_exclude) {
- if (strlcpy(p, ".cvsignore", MAXPATHLEN - offset)
- < MAXPATHLEN - offset)
- add_exclude_file(&local_exclude_list,fname,MISSING_OK,ADD_EXCLUDE);
- else {
- io_error |= IOERR_GENERAL;
- rprintf(FINFO,
- "cannot cvs-exclude in long-named directory %s\n",
- full_fname(fname));
- }
- }
+ *p = '\0';
+ remainder = MAXPATHLEN - (p - fbuf);
for (errno = 0, di = readdir(d); di; errno = 0, di = readdir(d)) {
char *dname = d_name(di);
if (dname[0] == '.' && (dname[1] == '\0'
|| (dname[1] == '.' && dname[2] == '\0')))
continue;
- if (strlcpy(p, dname, MAXPATHLEN - offset) < MAXPATHLEN - offset)
- send_file_name(f, flist, fname, recurse, 0);
- else {
+ if (strlcpy(p, dname, remainder) >= remainder) {
io_error |= IOERR_GENERAL;
rprintf(FINFO,
"cannot send long-named file %s\n",
- full_fname(fname));
+ full_fname(fbuf));
+ continue;
}
+
+ send_file_name(f, flist, fbuf, NULL, 0);
}
+
+ fbuf[len] = '\0';
+
if (errno) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "readdir(%s): (%d) %s\n",
- dir, errno, strerror(errno));
+ rsyserr(FERROR, errno, "readdir(%s)", full_fname(fbuf));
}
- if (local_exclude_list)
- free_exclude_list(&local_exclude_list); /* Zeros pointer too */
-
closedir(d);
-}
+ if (recurse) {
+ int i, end = flist->count - 1;
+ /* send_if_directory() bumps flist->count, so use "end". */
+ for (i = start; i <= end; i++)
+ send_if_directory(f, flist, flist->files[i], fbuf, len);
+ }
+}
-/**
- * The delete_files() function in receiver.c sets f to -1 so that we just
- * construct the file list in memory without sending it over the wire. It
- * also has the side-effect of ignoring user-excludes if delete_excluded
- * is set (so that the delete list includes user-excluded files).
- **/
struct file_list *send_file_list(int f, int argc, char *argv[])
{
- int l;
+ int len;
STRUCT_STAT st;
char *p, *dir, olddir[sizeof curr_dir];
char lastpath[MAXPATHLEN] = "";
struct file_list *flist;
+ struct timeval start_tv, end_tv;
int64 start_write;
int use_ff_fd = 0;
- if (show_filelist_p() && f != -1)
+ rprintf(FLOG, "building file list\n");
+ if (show_filelist_p())
start_filelist_progress("building file list");
start_write = stats.total_written;
+ gettimeofday(&start_tv, NULL);
- flist = flist_new();
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30)
+ init_hard_links();
+#endif
- if (f != -1) {
- io_start_buffering_out(f);
- if (filesfrom_fd >= 0) {
- if (argv[0] && !push_dir(argv[0])) {
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(argv[0]), strerror(errno));
- exit_cleanup(RERR_FILESELECT);
- }
- use_ff_fd = 1;
+ flist = flist_new("send_file_list");
+
+ io_start_buffering_out();
+ if (filesfrom_fd >= 0) {
+ if (argv[0] && !push_dir(argv[0], 0)) {
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(argv[0]));
+ exit_cleanup(RERR_FILESELECT);
}
+ use_ff_fd = 1;
}
while (1) {
- char fname2[MAXPATHLEN];
- char *fname = fname2;
+ char fbuf[MAXPATHLEN];
+ char *fn;
+ int is_dot_dir;
if (use_ff_fd) {
- if (read_filesfrom_line(filesfrom_fd, fname) == 0)
+ if (read_filesfrom_line(filesfrom_fd, fbuf) == 0)
break;
- sanitize_path(fname, NULL);
+ 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, NULL);
+ sanitize_path(fbuf, fbuf, "", 0, NULL);
}
- l = strlen(fname);
- if (fname[l - 1] == '/') {
- if (l == 2 && fname[0] == '.') {
+ len = strlen(fbuf);
+ if (relative_paths) {
+ /* We clean up fbuf below. */
+ is_dot_dir = 0;
+ } 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;
+ } 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';
+ is_dot_dir = 1;
+ } else {
+ is_dot_dir = fbuf[len-1] == '.'
+ && (len == 1 || fbuf[len-2] == '/');
}
- if (link_stat(fname, &st) != 0) {
- if (f != -1) {
- io_error |= IOERR_GENERAL;
- rprintf(FERROR, "link_stat %s failed: %s\n",
- full_fname(fname), strerror(errno));
- }
+ if (link_stat(fbuf, &st, copy_dirlinks) != 0) {
+ io_error |= IOERR_GENERAL;
+ rsyserr(FERROR, errno, "link_stat %s failed",
+ full_fname(fbuf));
continue;
}
- if (S_ISDIR(st.st_mode) && !recurse && !files_from) {
- rprintf(FINFO, "skipping directory %s\n", fname);
+ if (S_ISDIR(st.st_mode) && !xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", fbuf);
continue;
}
olddir[0] = '\0';
if (!relative_paths) {
- p = strrchr(fname, '/');
+ p = strrchr(fbuf, '/');
if (p) {
- *p = 0;
- if (p == fname)
+ *p = '\0';
+ if (p == fbuf)
dir = "/";
else
- dir = fname;
- fname = p + 1;
- }
- } else if (f != -1 && 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;
- /* Skip any initial directories in our path that we
- * have in common with lastpath. */
- while (*fn && *lp == *fn) {
- if (*fn == '/')
- slash = fn;
- lp++, fn++;
+ dir = fbuf;
+ len -= p - fbuf + 1;
+ fn = p + 1;
+ } else
+ fn = fbuf;
+ } else {
+ if ((p = strstr(fbuf, "/./")) != NULL) {
+ *p = '\0';
+ if (p == fbuf)
+ dir = "/";
+ else
+ dir = fbuf;
+ len -= p - fbuf + 3;
+ fn = p + 3;
+ } else
+ fn = fbuf;
+ /* Get rid of trailing "/" and "/.". */
+ while (len) {
+ if (fn[len - 1] == '/') {
+ is_dot_dir = 1;
+ if (!--len && !dir) {
+ len++;
+ break;
+ }
+ }
+ else if (len >= 2 && fn[len - 1] == '.'
+ && fn[len - 2] == '/') {
+ is_dot_dir = 1;
+ if (!(len -= 2) && !dir) {
+ len++;
+ break;
+ }
+ } else
+ break;
}
- *p = '/';
- if (fn != p || (*lp && *lp != '/')) {
- int copy_links_saved = copy_links;
- int recurse_saved = recurse;
- copy_links = copy_unsafe_links;
- /* set recurse to 1 to prevent make_file
- * from ignoring directory, but still
- * turn off the recursive parameter to
- * send_file_name */
- recurse = 1;
- while ((slash = strchr(slash+1, '/')) != 0) {
- *slash = 0;
- send_file_name(f, flist, fname, 0, 0);
- *slash = '/';
+ if (len == 1 && fn[0] == '/')
+ fn[len++] = '.';
+ fn[len] = '\0';
+ /* Reject a ".." dir in the active part of the path. */
+ for (p = fn; (p = strstr(p, "..")) != NULL; p += 2) {
+ if ((p[2] == '/' || p[2] == '\0')
+ && (p == fn || p[-1] == '/')) {
+ rprintf(FERROR,
+ "found \"..\" dir in relative path: %s\n",
+ fbuf);
+ exit_cleanup(RERR_SYNTAX);
}
- copy_links = copy_links_saved;
- recurse = recurse_saved;
- *p = 0;
- strlcpy(lastpath, fname, sizeof lastpath);
- *p = '/';
}
}
- if (!*fname)
- fname = ".";
+ if (!*fn) {
+ len = 1;
+ fn = ".";
+ }
if (dir && *dir) {
- static char *lastdir;
+ static const char *lastdir;
static int lastdir_len;
- strcpy(olddir, curr_dir); /* can't overflow */
+ strlcpy(olddir, curr_dir, sizeof olddir);
- if (!push_dir(dir)) {
+ if (!push_dir(dir, 0)) {
io_error |= IOERR_GENERAL;
- rprintf(FERROR, "push_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "push_dir %s failed",
+ full_fname(dir));
continue;
}
}
}
+ if (fn != fbuf)
+ memmove(fbuf, fn, len + 1);
+
+ 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. */
+ for (fn = fbuf; *fn && *lp == *fn; lp++, fn++) {
+ if (*fn == '/')
+ slash = 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, fbuf, NULL, 0);
+ *slash = '/';
+ }
+ copy_links = save_copy_links;
+ xfer_dirs = save_xfer_dirs;
+ *p = '\0';
+ strlcpy(lastpath, fbuf, sizeof lastpath);
+ *p = '/';
+ }
+ }
+
if (one_file_system)
- set_filesystem(fname);
+ filesystem_dev = st.st_dev;
- send_file_name(f, flist, fname, recurse, XMIT_TOP_DIR);
+ if (recurse || (xfer_dirs && is_dot_dir)) {
+ struct file_struct *file;
+ file = send_file_name(f, flist, fbuf, &st, FLAG_TOP_DIR);
+ if (file)
+ send_if_directory(f, flist, file, fbuf, len);
+ } else
+ send_file_name(f, flist, fbuf, &st, 0);
if (olddir[0]) {
flist_dir = NULL;
flist_dir_len = 0;
if (!pop_dir(olddir)) {
- rprintf(FERROR, "pop_dir %s failed: %s\n",
- full_fname(dir), strerror(errno));
+ rsyserr(FERROR, errno, "pop_dir %s failed",
+ full_fname(olddir));
exit_cleanup(RERR_FILESELECT);
}
}
}
- if (f != -1) {
- send_file_entry(NULL, f, 0);
+ gettimeofday(&end_tv, NULL);
+ stats.flist_buildtime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+ if (stats.flist_buildtime == 0)
+ stats.flist_buildtime = 1;
+ start_tv = end_tv;
- if (show_filelist_p())
- finish_filelist_progress(flist);
- }
+ write_byte(f, 0); /* Indicate end of file list */
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version >= 30)
+ idev_destroy();
+#endif
+
+ if (show_filelist_p())
+ finish_filelist_progress(flist);
+
+ gettimeofday(&end_tv, NULL);
+ stats.flist_xfertime = (int64)(end_tv.tv_sec - start_tv.tv_sec) * 1000
+ + (end_tv.tv_usec - start_tv.tv_usec) / 1000;
+ /* 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);
- if (f != -1) {
- /* Now send the uid/gid list. This was introduced in
- * protocol version 15 */
+ if (!numeric_ids)
send_uid_list(f);
- /* send the io_error flag */
- write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
+ /* send the io_error flag */
+ write_int(f, lp_ignore_errors(module_id) ? 0 : io_error);
- io_end_buffering();
- stats.flist_size = stats.total_written - start_write;
- stats.num_files = flist->count;
- if (write_batch)
- write_batch_flist_info(flist->count, flist->files);
- }
+ io_end_buffering();
+ stats.flist_size = stats.total_written - start_write;
+ stats.num_files = flist->count;
+
+ if (verbose > 3)
+ output_flist(flist);
if (verbose > 2)
rprintf(FINFO, "send_file_list done\n");
return flist;
}
-
struct file_list *recv_file_list(int f)
{
struct file_list *flist;
unsigned short flags;
int64 start_read;
- extern int list_only;
+ rprintf(FLOG, "receiving file list\n");
if (show_filelist_p())
start_filelist_progress("receiving file list");
start_read = stats.total_read;
- flist = new(struct file_list);
- if (!flist)
- goto oom;
-
- flist->count = 0;
- flist->malloced = 1000;
- flist->files = new_array(struct file_struct *, flist->malloced);
- if (!flist->files)
- goto oom;
+ flist = flist_new("recv_file_list");
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && protocol_version < 30)
+ init_hard_links();
+#endif
while ((flags = read_byte(f)) != 0) {
- int i = flist->count;
+ struct file_struct *file;
flist_expand(flist);
if (protocol_version >= 28 && (flags & XMIT_EXTENDED_FLAGS))
flags |= read_byte(f) << 8;
- receive_file_entry(&flist->files[i], flags, f);
+ file = recv_file_entry(flist, flags, f);
- if (S_ISREG(flist->files[i]->mode))
- stats.total_size += flist->files[i]->length;
+ if (S_ISREG(file->mode) || S_ISLNK(file->mode))
+ stats.total_size += F_LENGTH(file);
- flist->count++;
+ flist->files[flist->count++] = file;
- maybe_emit_filelist_progress(flist);
+ maybe_emit_filelist_progress(flist->count);
if (verbose > 2) {
rprintf(FINFO, "recv_file_name(%s)\n",
- f_name(flist->files[i]));
+ f_name(file, NULL));
}
}
- receive_file_entry(NULL, 0, 0); /* Signal that we're done. */
+ recv_file_entry(NULL, 0, 0); /* Signal that we're done. */
if (verbose > 2)
rprintf(FINFO, "received %d names\n", flist->count);
clean_flist(flist, relative_paths, 1);
- if (f != -1) {
- /* Now send the uid/gid list. This was introduced in
- * protocol version 15 */
+ if (f >= 0) {
recv_uid_list(f, flist);
- if (!read_batch) {
- /* Recv the io_error flag */
- if (lp_ignore_errors(module_id) || ignore_errors)
- read_int(f);
- else
- io_error |= read_int(f);
- }
+ /* Recv the io_error flag */
+ if (lp_ignore_errors(module_id) || ignore_errors)
+ read_int(f);
+ else
+ io_error |= read_int(f);
}
+ if (verbose > 3)
+ output_flist(flist);
+
if (list_only) {
int i;
for (i = 0; i < flist->count; i++)
stats.num_files = flist->count;
return flist;
-
- oom:
- out_of_memory("recv_file_list");
- return NULL; /* not reached */
}
-
-int file_compare(struct file_struct **file1, struct file_struct **file2)
+static int file_compare(struct file_struct **file1, struct file_struct **file2)
{
- struct file_struct *f1 = *file1;
- struct file_struct *f2 = *file2;
-
- if (!f1->basename && !f2->basename)
- return 0;
- if (!f1->basename)
- return -1;
- if (!f2->basename)
- return 1;
- if (f1->dirname == f2->dirname)
- return u_strcmp(f1->basename, f2->basename);
- return f_name_cmp(f1, f2);
+ return f_name_cmp(*file1, *file2);
}
-
+/* 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 = 0, high = flist->count - 1;
-
- while (high >= 0 && !flist->files[high]->basename) high--;
-
- if (high < 0)
- return -1;
+ int low = flist->low, high = flist->high;
+ int diff, mid, mid_up;
- while (low != high) {
- int mid = (low + high) / 2;
- int ret = file_compare(&flist->files[flist_up(flist, mid)],&f);
- if (ret == 0)
- return flist_up(flist, mid);
- if (ret > 0)
- high = mid;
+ while (low <= high) {
+ mid = (low + high) / 2;
+ if (F_IS_ACTIVE(flist->files[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->files[mid]);
+ if (!F_IS_ACTIVE(flist->files[mid_up])) {
+ do {
+ mid_up += F_DEPTH(flist->files[mid_up]);
+ } while (!F_IS_ACTIVE(flist->files[mid_up]));
+ F_DEPTH(flist->files[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->files[mid]->len32;
+ if (!F_IS_ACTIVE(flist->files[high])) {
+ do {
+ high -= (int)flist->files[high]->len32;
+ } while (!F_IS_ACTIVE(flist->files[high]));
+ flist->files[mid]->len32 = mid - high;
+ }
+ continue;
+ }
+ }
+ diff = f_name_cmp(flist->files[mid_up], f);
+ if (diff == 0) {
+ if (protocol_version < 29
+ && S_ISDIR(flist->files[mid_up]->mode)
+ != S_ISDIR(f->mode))
+ return -1;
+ return mid_up;
+ }
+ if (diff < 0)
+ low = mid_up + 1;
else
- low = mid + 1;
+ high = mid - 1;
}
-
- if (file_compare(&flist->files[flist_up(flist, low)], &f) == 0)
- return flist_up(flist, low);
return -1;
}
-
/*
- * free up one file
+ * Free up any resources a file_struct has allocated
+ * and clear the file.
*/
-void free_file(struct file_struct *file)
+void clear_file(struct file_struct *file)
{
- if (!file)
- return;
- if (file->basename)
- free(file->basename);
- if (!IS_DEVICE(file->mode) && file->u.link)
- free(file->u.link); /* Handles u.sum too. */
- if (file->link_u.idev)
- free((char*)file->link_u.idev); /* Handles link_u.links too. */
- *file = null_file;
+ /* 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(void)
+/* Allocate a new file list. */
+struct file_list *flist_new(char *msg)
{
struct file_list *flist;
flist = new(struct file_list);
if (!flist)
- out_of_memory("send_file_list");
+ out_of_memory(msg);
- flist->count = 0;
- flist->malloced = 0;
- flist->files = NULL;
+ memset(flist, 0, sizeof flist[0]);
+
+ if (!(flist->file_pool = pool_create(FILE_EXTENT, 0, out_of_memory, POOL_INTERN)))
+ out_of_memory(msg);
-#if ARENA_SIZE > 0
- flist->string_area = string_area_new(0);
-#else
- flist->string_area = NULL;
-#endif
return flist;
}
-/*
- * free up all elements in a flist
- */
+/* Free up all elements in a flist. */
void flist_free(struct file_list *flist)
{
- int i;
- for (i = 1; i < flist->count; i++) {
- if (!flist->string_area)
- free_file(flist->files[i]);
- free(flist->files[i]);
- }
- /* FIXME: I don't think we generally need to blank the flist
- * since it's about to be freed. This will just cause more
- * memory traffic. If you want a freed-memory debugger, you
- * know where to get it. */
- memset((char *) flist->files, 0,
- sizeof(flist->files[0]) * flist->count);
+ pool_destroy(flist->file_pool);
free(flist->files);
- if (flist->string_area)
- string_area_free(flist->string_area);
- memset((char *) flist, 0, sizeof(*flist));
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)
{
+ char fbuf[MAXPATHLEN];
int i, prev_i = 0;
- if (!flist || flist->count == 0)
+ if (!flist)
+ return;
+ if (flist->count == 0) {
+ flist->high = -1;
return;
+ }
qsort(flist->files, flist->count,
- sizeof(flist->files[0]), (int (*)()) file_compare);
+ sizeof flist->files[0], (int (*)())file_compare);
for (i = no_dups? 0 : flist->count; i < flist->count; i++) {
- if (flist->files[i]->basename) {
+ if (F_IS_ACTIVE(flist->files[i])) {
prev_i = i;
break;
}
}
+ flist->low = prev_i;
while (++i < flist->count) {
- if (!flist->files[i]->basename)
+ int j;
+ struct file_struct *file = flist->files[i];
+
+ if (!F_IS_ACTIVE(file))
continue;
- if (f_name_cmp(flist->files[i], flist->files[prev_i]) == 0) {
+ if (f_name_cmp(file, flist->files[prev_i]) == 0)
+ j = prev_i;
+ else if (protocol_version >= 29 && S_ISDIR(file->mode)) {
+ int save_mode = file->mode;
+ /* Make sure that this directory doesn't duplicate a
+ * non-directory earlier in the list. */
+ flist->high = prev_i;
+ file->mode = S_IFREG;
+ j = flist_find(flist, file);
+ file->mode = save_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))
+ keep = i, drop = j;
+ else
+ 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",
- f_name(flist->files[i]), i);
+ "removing duplicate name %s from file list (%d)\n",
+ f_name(file, fbuf), drop);
+ }
+ /* Make sure we don't lose track of a user-specified
+ * top directory. */
+ flist->files[keep]->flags |= flist->files[drop]->flags
+ & (FLAG_TOP_DIR|FLAG_XFER_DIR);
+
+ clear_file(flist->files[drop]);
+
+ if (keep == i) {
+ if (flist->low == drop) {
+ for (j = drop + 1;
+ j < i && !F_IS_ACTIVE(flist->files[j]);
+ j++) {}
+ flist->low = j;
+ }
+ prev_i = i;
}
- /* Make sure that if we unduplicate '.', that we don't
- * lose track of a user-specified starting point (or
- * else deletions will mysteriously fail with -R). */
- if (flist->files[i]->flags & FLAG_TOP_DIR)
- flist->files[prev_i]->flags |= FLAG_TOP_DIR;
- /* it's not great that the flist knows the semantics of
- * the file memory usage, but i'd rather not add a flag
- * byte to that struct.
- * XXX can i use a bit in the flags field? */
- if (flist->string_area)
- flist->files[i][0] = null_file;
- else
- free_file(flist->files[i]);
} else
prev_i = i;
}
+ flist->high = no_dups ? prev_i : flist->count - 1;
if (strip_root) {
- /* we need to strip off the root directory in the case
- of relative paths, but this must be done _after_
- the sorting phase */
- for (i = 0; i < flist->count; i++) {
- if (flist->files[i]->dirname &&
- flist->files[i]->dirname[0] == '/') {
- memmove(&flist->files[i]->dirname[0],
- &flist->files[i]->dirname[1],
- strlen(flist->files[i]->dirname));
- }
+ /* 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];
- if (flist->files[i]->dirname &&
- !flist->files[i]->dirname[0]) {
- flist->files[i]->dirname = NULL;
+ if (!file->dirname)
+ continue;
+ while (*file->dirname == '/')
+ file->dirname++;
+ if (!*file->dirname)
+ file->dirname = NULL;
+ }
+ }
+
+ if (prune_empty_dirs && no_dups) {
+ 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->files[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->files[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->files[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->files[prev_i];
+ if (F_DEPTH(fp) >= 0)
+ break;
+ prev_i = -F_DEPTH(fp)-1;
+ F_DEPTH(fp) = j;
+ }
}
}
+ /* Dump empty all remaining empty dirs. */
+ while (1) {
+ struct file_struct *fp = flist->files[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->files[i]))
+ break;
+ }
+ flist->low = i;
+ for (i = flist->high; i >= flist->low; i--) {
+ if (F_IS_ACTIVE(flist->files[i]))
+ break;
+ }
+ flist->high = i;
}
+}
- if (verbose <= 3)
- return;
+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] i=%d %s %s %s mode=0%o len=%.0f\n",
- who_am_i(), i,
- NS(flist->files[i]->basedir),
- NS(flist->files[i]->dirname),
- NS(flist->files[i]->basename),
- (int) flist->files[i]->mode,
- (double) flist->files[i]->length);
+ file = flist->files[i];
+ if ((am_root || am_sender) && preserve_uid) {
+ snprintf(uidbuf, sizeof uidbuf, " uid=%ld",
+ (long)F_UID(file));
+ } else
+ *uidbuf = '\0';
+ if (preserve_gid && F_GID(file) != GID_NONE) {
+ snprintf(gidbuf, sizeof gidbuf, " gid=%ld",
+ (long)F_GID(file));
+ } else
+ *gidbuf = '\0';
+ if (!am_sender)
+ snprintf(depthbuf, sizeof depthbuf, "%d", F_DEPTH(file));
+ if (F_IS_ACTIVE(file)) {
+ root = am_sender ? NS(F_ROOTDIR(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, 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 };
-enum fnc_state { fnc_DIR, fnc_SLASH, fnc_BASE };
-
-/* Compare the names of two file_struct entities, just like strcmp()
- * would do if it were operating on the joined strings. We assume
- * that there are no 0-length strings.
- */
+/* Compare the names of two file_struct entities, similar to how strcmp()
+ * would do if it were operating on the joined strings.
+ *
+ * Some differences beginning with protocol_version 29: (1) directory names
+ * are compared with an assumed trailing slash so that they compare in a
+ * way that would cause them to sort immediately prior to any content they
+ * may have; (2) a directory of any name compares after a non-directory of
+ * any name at the same depth; (3) a directory with name "." compares prior
+ * to anything else. These changes mean that a directory and a non-dir
+ * with the same name will not compare as equal (protocol_version >= 29).
+ *
+ * The dirname component can be an empty string, but the basename component
+ * 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 dif;
const uchar *c1, *c2;
enum fnc_state state1, state2;
+ 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;
- if (!(c1 = (uchar*)f1->dirname)) {
- state1 = fnc_BASE;
- c1 = (uchar*)f1->basename;
- } else
- state1 = fnc_DIR;
- if (!(c2 = (uchar*)f2->dirname)) {
- state2 = fnc_BASE;
- c2 = (uchar*)f2->basename;
- } else
- state2 = fnc_DIR;
+ c1 = (uchar*)f1->dirname;
+ c2 = (uchar*)f2->dirname;
+ if (c1 == c2)
+ c1 = c2 = NULL;
+ if (!c1) {
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
+ 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 {
+ type1 = t_path;
+ state1 = s_DIR;
+ }
+ if (!c2) {
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
+ 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 {
+ type2 = t_path;
+ state2 = s_DIR;
+ }
- while (1) {
- if ((dif = (int)*c1 - (int)*c2) != 0)
- break;
- if (!*++c1) {
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
+
+ do {
+ if (!*c1) {
switch (state1) {
- case fnc_DIR:
- state1 = fnc_SLASH;
+ case s_DIR:
+ state1 = s_SLASH;
c1 = (uchar*)"/";
break;
- case fnc_SLASH:
- state1 = fnc_BASE;
- c1 = (uchar*)f1->basename;
+ case s_SLASH:
+ type1 = S_ISDIR(f1->mode) ? t_path : t_ITEM;
+ 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 fnc_BASE:
+ case s_BASE:
+ state1 = s_TRAILING;
+ if (type1 == t_PATH) {
+ c1 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
+ type1 = t_ITEM;
break;
}
+ if (*c2 && type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
}
- if (!*++c2) {
+ if (!*c2) {
switch (state2) {
- case fnc_DIR:
- state2 = fnc_SLASH;
+ case s_DIR:
+ state2 = s_SLASH;
c2 = (uchar*)"/";
break;
- case fnc_SLASH:
- state2 = fnc_BASE;
- c2 = (uchar*)f2->basename;
+ case s_SLASH:
+ type2 = S_ISDIR(f2->mode) ? t_path : t_ITEM;
+ 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 fnc_BASE:
+ case s_BASE:
+ state2 = s_TRAILING;
+ if (type2 == t_PATH) {
+ c2 = (uchar*)"/";
+ break;
+ }
+ /* FALL THROUGH */
+ case s_TRAILING:
if (!*c1)
return 0;
+ type2 = t_ITEM;
break;
}
+ if (type1 != type2)
+ return type1 == t_PATH ? 1 : -1;
}
- }
+ } while ((dif = (int)*c1++ - (int)*c2++) == 0);
return dif;
}
+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(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);
+ strlcpy(fbuf, f->basename, MAXPATHLEN);
+
return fbuf;
}
-
-/* Like f_name_to(), but we rotate through 5 static buffers of our own.
- */
-char *f_name(struct file_struct *f)
+/* 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)
{
- static char names[5][MAXPATHLEN];
- static unsigned int n;
+ struct file_list *dirlist;
+ char dirbuf[MAXPATHLEN];
+ int save_recurse = recurse;
+ int save_xfer_dirs = xfer_dirs;
+
+ if (dlen < 0) {
+ dlen = strlcpy(dirbuf, dirname, MAXPATHLEN);
+ if (dlen >= MAXPATHLEN)
+ return NULL;
+ dirname = dirbuf;
+ }
- n = (n + 1) % (sizeof names / sizeof names[0]);
+ dirlist = flist_new("get_dirlist");
+
+ recurse = 0;
+ xfer_dirs = 1;
+ send_directory(ignore_filter_rules ? -2 : -1, dirlist, dirname, dlen);
+ xfer_dirs = save_xfer_dirs;
+ recurse = save_recurse;
+ if (do_progress)
+ flist_count_offset += dirlist->count;
+
+ clean_flist(dirlist, 0, 0);
+
+ if (verbose > 3)
+ output_flist(dirlist);
- return f_name_to(f, names[n]);
+ return dirlist;
}
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff