* Copyright (C) 2002-2007 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 3 as
- * published by the Free Software Foundation.
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3 of the License, or
+ * (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
int file_total = 0; /* total of all active items over all file-lists */
int flist_eof = 0; /* all the file-lists are now known */
+/* 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(). */
flist->malloced);
if (verbose >= 2 && flist->malloced != FLIST_START) {
- rprintf(FCLIENT, "[%s] expand file_list to %.0f bytes, did%s move\n",
+ rprintf(FCLIENT, "[%s] expand file_list pointer array to %.0f bytes, did%s move\n",
who_am_i(),
(double)sizeof flist->files[0] * flist->malloced,
(new_ptr == flist->files) ? " not" : "");
return 1;
}
-static void send_file_entry(int f, struct file_struct *file, int ndx)
+static void send_file_entry(int f, struct file_struct *file, int ndx, int first_ndx)
{
static time_t modtime;
static mode_t mode;
char fname[MAXPATHLEN];
int first_hlink_ndx = -1;
int l1, l2;
- int flags;
+ int xflags;
#ifdef ICONV_OPTION
if (ic_send != (iconv_t)-1) {
#endif
f_name(file, fname);
- flags = file->flags & FLAG_TOP_DIR; /* FLAG_TOP_DIR == XMIT_TOP_DIR */
+ 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 (protocol_version >= 30 && S_ISDIR(mode) && !(file->flags & FLAG_XFER_DIR))
+ xflags |= XMIT_NON_XFER_DIR;
+
if ((preserve_devices && IS_DEVICE(mode))
|| (preserve_specials && IS_SPECIAL(mode))) {
if (protocol_version < 28) {
if (tmp_rdev == rdev)
- flags |= XMIT_SAME_RDEV_pre28;
+ xflags |= XMIT_SAME_RDEV_pre28;
else
rdev = tmp_rdev;
} else {
rdev = tmp_rdev;
if ((uint32)major(rdev) == rdev_major)
- flags |= XMIT_SAME_RDEV_MAJOR;
+ xflags |= XMIT_SAME_RDEV_MAJOR;
else
rdev_major = major(rdev);
if (protocol_version < 30 && (uint32)minor(rdev) <= 0xFFu)
- flags |= XMIT_RDEV_MINOR_8_pre30;
+ xflags |= XMIT_RDEV_MINOR_8_pre30;
}
} else if (protocol_version < 28)
rdev = MAKEDEV(0, 0);
if (uid_ndx) {
if ((uid_t)F_OWNER(file) == uid && *lastname)
- flags |= XMIT_SAME_UID;
+ xflags |= XMIT_SAME_UID;
else {
uid = F_OWNER(file);
if (uid_ndx && !numeric_ids) {
user_name = add_uid(uid);
if (inc_recurse && user_name)
- flags |= XMIT_USER_NAME_FOLLOWS;
+ xflags |= XMIT_USER_NAME_FOLLOWS;
}
}
}
if (gid_ndx) {
if ((gid_t)F_GROUP(file) == gid && *lastname)
- flags |= XMIT_SAME_GID;
+ xflags |= XMIT_SAME_GID;
else {
gid = F_GROUP(file);
if (gid_ndx && !numeric_ids) {
group_name = add_gid(gid);
if (inc_recurse && group_name)
- flags |= XMIT_GROUP_NAME_FOLLOWS;
+ xflags |= XMIT_GROUP_NAME_FOLLOWS;
}
}
}
if (file->modtime == modtime)
- flags |= XMIT_SAME_TIME;
+ xflags |= XMIT_SAME_TIME;
else
modtime = file->modtime;
#ifdef SUPPORT_HARD_LINKS
if (tmp_dev != 0) {
if (protocol_version >= 30) {
- struct idev_node *np = idev_node(tmp_dev, tmp_ino);
+ struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
first_hlink_ndx = (int32)(long)np->data - 1;
if (first_hlink_ndx < 0) {
- np->data = (void*)(long)(ndx + 1);
- flags |= XMIT_HLINK_FIRST;
+ np->data = (void*)(long)(ndx + first_ndx + 1);
+ xflags |= XMIT_HLINK_FIRST;
}
- flags |= XMIT_HLINKED;
+ xflags |= XMIT_HLINKED;
} else {
if (tmp_dev == dev) {
if (protocol_version >= 28)
- flags |= XMIT_SAME_DEV_pre30;
+ xflags |= XMIT_SAME_DEV_pre30;
} else
dev = tmp_dev;
- flags |= XMIT_HLINKED;
+ xflags |= XMIT_HLINKED;
}
}
#endif
l2 = strlen(fname+l1);
if (l1 > 0)
- flags |= XMIT_SAME_NAME;
+ xflags |= XMIT_SAME_NAME;
if (l2 > 255)
- flags |= XMIT_LONG_NAME;
+ xflags |= XMIT_LONG_NAME;
/* We must make sure we don't send a zero flag byte or the
* other end will terminate the flist transfer. Note that
* the use of XMIT_TOP_DIR on a non-dir has no meaning, so
* it's harmless way to add a bit to the first flag byte. */
if (protocol_version >= 28) {
- if (!flags && !S_ISDIR(mode))
- flags |= XMIT_TOP_DIR;
- if ((flags & 0xFF00) || !flags) {
- flags |= XMIT_EXTENDED_FLAGS;
- write_shortint(f, flags);
+ if (!xflags && !S_ISDIR(mode))
+ xflags |= XMIT_TOP_DIR;
+ if ((xflags & 0xFF00) || !xflags) {
+ xflags |= XMIT_EXTENDED_FLAGS;
+ write_shortint(f, xflags);
} else
- write_byte(f, flags);
+ write_byte(f, xflags);
} else {
- if (!(flags & 0xFF))
- flags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
- write_byte(f, flags);
+ if (!(xflags & 0xFF))
+ xflags |= S_ISDIR(mode) ? XMIT_LONG_NAME : XMIT_TOP_DIR;
+ write_byte(f, xflags);
}
- if (flags & XMIT_SAME_NAME)
+ if (xflags & XMIT_SAME_NAME)
write_byte(f, l1);
- if (flags & XMIT_LONG_NAME)
+ if (xflags & XMIT_LONG_NAME)
write_varint30(f, l2);
else
write_byte(f, l2);
write_buf(f, fname + l1, l2);
if (first_hlink_ndx >= 0) {
- write_varint30(f, first_hlink_ndx);
- goto the_end;
+ write_varint(f, first_hlink_ndx);
+ if (first_hlink_ndx >= first_ndx)
+ goto the_end;
}
write_varlong30(f, F_LENGTH(file), 3);
- if (!(flags & XMIT_SAME_TIME)) {
+ if (!(xflags & XMIT_SAME_TIME)) {
if (protocol_version >= 30)
write_varlong(f, modtime, 4);
else
write_int(f, modtime);
}
- if (!(flags & XMIT_SAME_MODE))
+ if (!(xflags & XMIT_SAME_MODE))
write_int(f, to_wire_mode(mode));
- if (uid_ndx && !(flags & XMIT_SAME_UID)) {
+ if (uid_ndx && !(xflags & XMIT_SAME_UID)) {
if (protocol_version < 30)
write_int(f, uid);
else {
write_varint(f, uid);
- if (flags & XMIT_USER_NAME_FOLLOWS) {
+ if (xflags & XMIT_USER_NAME_FOLLOWS) {
int len = strlen(user_name);
write_byte(f, len);
write_buf(f, user_name, len);
}
}
}
- if (gid_ndx && !(flags & XMIT_SAME_GID)) {
+ if (gid_ndx && !(xflags & XMIT_SAME_GID)) {
if (protocol_version < 30)
write_int(f, gid);
else {
write_varint(f, gid);
- if (flags & XMIT_GROUP_NAME_FOLLOWS) {
+ if (xflags & XMIT_GROUP_NAME_FOLLOWS) {
int len = strlen(group_name);
write_byte(f, len);
write_buf(f, group_name, len);
if ((preserve_devices && IS_DEVICE(mode))
|| (preserve_specials && IS_SPECIAL(mode))) {
if (protocol_version < 28) {
- if (!(flags & XMIT_SAME_RDEV_pre28))
+ if (!(xflags & XMIT_SAME_RDEV_pre28))
write_int(f, (int)rdev);
} else {
- if (!(flags & XMIT_SAME_RDEV_MAJOR))
+ if (!(xflags & XMIT_SAME_RDEV_MAJOR))
write_varint30(f, major(rdev));
if (protocol_version >= 30)
write_varint(f, minor(rdev));
- else if (flags & XMIT_RDEV_MINOR_8_pre30)
+ else if (xflags & XMIT_RDEV_MINOR_8_pre30)
write_byte(f, minor(rdev));
else
write_int(f, minor(rdev));
write_int(f, (int32)tmp_ino);
} else {
/* 64-bit dev_t and ino_t */
- if (!(flags & XMIT_SAME_DEV_pre30))
+ if (!(xflags & XMIT_SAME_DEV_pre30))
write_longint(f, dev);
write_longint(f, tmp_ino);
}
#ifdef SUPPORT_HARD_LINKS
if (protocol_version >= 30
&& BITS_SETnUNSET(xflags, XMIT_HLINKED, XMIT_HLINK_FIRST)) {
- struct file_struct *first;
- first_hlink_ndx = read_varint30(f);
- if (first_hlink_ndx < 0 || first_hlink_ndx >= flist->used) {
+ 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->used);
+ first_hlink_ndx, flist->ndx_start + flist->used);
exit_cleanup(RERR_PROTOCOL);
}
- first = flist->files[first_hlink_ndx];
- file_length = F_LENGTH(first);
- modtime = first->modtime;
- mode = first->mode;
- if (uid_ndx)
- uid = F_OWNER(first);
- if (gid_ndx)
- gid = F_GROUP(first);
- if ((preserve_devices && IS_DEVICE(mode))
- || (preserve_specials && IS_SPECIAL(mode))) {
- uint32 *devp = F_RDEV_P(first);
- rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
- extra_len += 2 * EXTRA_LEN;
- }
- if (preserve_links && S_ISLNK(mode))
- linkname_len = strlen(F_SYMLINK(first)) + 1;
- else
- linkname_len = 0;
- goto create_object;
+ if (first_hlink_ndx >= flist->ndx_start) {
+ struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
+ file_length = F_LENGTH(first);
+ modtime = first->modtime;
+ mode = first->mode;
+ if (uid_ndx)
+ uid = F_OWNER(first);
+ if (gid_ndx)
+ gid = F_GROUP(first);
+ if ((preserve_devices && IS_DEVICE(mode))
+ || (preserve_specials && IS_SPECIAL(mode))) {
+ uint32 *devp = F_RDEV_P(first);
+ rdev = MAKEDEV(DEV_MAJOR(devp), DEV_MINOR(devp));
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
+ }
+ if (preserve_links && S_ISLNK(mode))
+ linkname_len = strlen(F_SYMLINK(first)) + 1;
+ else
+ linkname_len = 0;
+ goto create_object;
+ }
}
#endif
rdev_minor = read_int(f);
rdev = MAKEDEV(rdev_major, rdev_minor);
}
- extra_len += 2 * EXTRA_LEN;
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
file_length = 0;
} else if (protocol_version < 28)
rdev = MAKEDEV(0, 0);
if (protocol_version < 28 && S_ISREG(mode))
xflags |= XMIT_HLINKED;
if (xflags & XMIT_HLINKED)
- extra_len += EXTRA_LEN;
+ extra_len += (inc_recurse+1) * EXTRA_LEN;
}
#endif
if (inc_recurse && S_ISDIR(mode)) {
if (one_file_system) {
/* Room to save the dir's device for -x */
- extra_len += 2 * EXTRA_LEN;
+ extra_len += DEV_EXTRA_CNT * EXTRA_LEN;
}
pool = dir_flist->file_pool;
} else
&& lastname[del_hier_name_len-2] == '/')
del_hier_name_len -= 2;
file->flags |= FLAG_TOP_DIR | FLAG_XFER_DIR;
+ } else if (protocol_version >= 30) {
+ if (!(xflags & XMIT_NON_XFER_DIR))
+ file->flags |= FLAG_XFER_DIR;
} else if (in_del_hier) {
if (!relative_paths || !del_hier_name_len
|| (l1 >= del_hier_name_len
#ifdef SUPPORT_LINKS
if (linkname_len) {
bp = (char*)file->basename + basename_len;
- if (first_hlink_ndx >= 0) {
+ if (first_hlink_ndx >= flist->ndx_start) {
struct file_struct *first = flist->files[first_hlink_ndx];
memcpy(bp, F_SYMLINK(first), linkname_len);
} else
if (preserve_hard_links && xflags & XMIT_HLINKED) {
if (protocol_version >= 30) {
F_HL_GNUM(file) = xflags & XMIT_HLINK_FIRST
- ? flist->used : first_hlink_ndx;
+ ? flist->ndx_start + flist->used
+ : first_hlink_ndx;
} else {
static int32 cnt = 0;
- struct idev_node *np;
+ struct ht_int64_node *np;
int64 ino;
int32 ndx;
if (protocol_version < 26) {
dev = read_longint(f);
ino = read_longint(f);
}
- np = idev_node(dev, ino);
+ np = idev_find(dev, ino);
ndx = (int32)(long)np->data - 1;
if (ndx < 0) {
ndx = cnt++;
if (always_checksum && (S_ISREG(mode) || protocol_version < 28)) {
if (S_ISREG(mode))
- bp = (char*)F_SUM(file);
+ bp = F_SUM(file);
else {
/* Prior to 28, we get a useless set of nulls. */
bp = tmp_sum;
}
- if (first_hlink_ndx >= 0) {
+ if (first_hlink_ndx >= flist->ndx_start) {
struct file_struct *first = flist->files[first_hlink_ndx];
memcpy(bp, F_SUM(first), checksum_len);
} else
return file;
}
-/**
- * Create a file_struct for a named file by reading its stat()
- * information and performing extensive checks against global
- * options.
+/* Create a file_struct for a named file by reading its stat() information
+ * and performing extensive checks against global options.
*
- * @return the new file, or NULL if there was an error or this file
- * should be excluded.
- *
- * @todo There is a small optimization opportunity here to avoid
- * stat()ing the file in some circumstances, which has a certain cost.
- * We are called immediately after doing readdir(), and so we may
- * already know the d_type of the file. We could for example avoid
- * statting directories if we're not recursing, but this is not a very
- * important case. Some systems may not have d_type.
- **/
+ * Returns a pointer to the new file struct, or NULL if there was an error
+ * or this file should be excluded. */
struct file_struct *make_file(const char *fname, struct file_list *flist,
STRUCT_STAT *stp, int flags, int filter_level)
{
static char *lastdir;
static int lastdir_len = -1;
struct file_struct *file;
- STRUCT_STAT st;
char thisname[MAXPATHLEN];
char linkname[MAXPATHLEN];
int alloc_len, basename_len, linkname_len;
int extra_len = file_extra_cnt * EXTRA_LEN;
const char *basename;
alloc_pool_t *pool;
+ STRUCT_STAT st;
char *bp;
if (strlcpy(thisname, fname, sizeof thisname) >= sizeof thisname) {
if (filter_level == NO_FILTERS)
goto skip_filters;
- if (S_ISDIR(st.st_mode) && !xfer_dirs) {
- rprintf(FINFO, "skipping directory %s\n", thisname);
- return NULL;
- }
+ if (S_ISDIR(st.st_mode)) {
+ if (!xfer_dirs) {
+ rprintf(FINFO, "skipping directory %s\n", thisname);
+ return NULL;
+ }
+ } else
+ flags &= ~FLAG_XFER_DIR;
/* -x only affects directories because we need to avoid recursing
* into a mount-point directory, not to avoid copying a symlinked
if (flist->prev && S_ISDIR(st.st_mode)
&& flags & FLAG_DIVERT_DIRS) {
/* Room for parent/sibling/next-child info. */
- extra_len += 3 * EXTRA_LEN;
+ extra_len += DIRNODE_EXTRA_CNT * EXTRA_LEN;
dir_count++;
pool = dir_flist->file_pool;
} else
flist_expand(flist, 1);
flist->files[flist->used++] = file;
if (f >= 0) {
- send_file_entry(f, file, flist->used - 1);
+ send_file_entry(f, file, flist->used - 1, flist->ndx_start);
#ifdef SUPPORT_ACLS
if (preserve_acls && !S_ISLNK(file->mode)) {
send_acl(&sx, f);
int i;
int32 *dp = NULL;
int32 *parent_dp = parent_ndx < 0 ? NULL
- : F_DIRNODE_P(dir_flist->sorted[parent_ndx]);
+ : F_DIR_NODE_P(dir_flist->sorted[parent_ndx]);
flist_expand(dir_flist, dir_cnt);
dir_flist->sorted = dir_flist->files;
else
send_dir_ndx = dir_flist->used - 1;
- dp = F_DIRNODE_P(file);
+ dp = F_DIR_NODE_P(file);
DIR_PARENT(dp) = parent_ndx;
DIR_FIRST_CHILD(dp) = -1;
}
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);
}
flist->parent_ndx = dir_ndx;
send1extra(f, file, flist);
- dp = F_DIRNODE_P(file);
+ 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
send_dir_ndx = dir_ndx;
file = dir_flist->sorted[dir_ndx];
send1extra(f, file, flist);
- dp = F_DIRNODE_P(file);
+ dp = F_DIR_NODE_P(file);
}
write_byte(f, 0);
}
send_dir_depth--;
file = dir_flist->sorted[send_dir_ndx];
- dp = F_DIRNODE_P(file);
+ dp = F_DIR_NODE_P(file);
}
send_dir_ndx = DIR_NEXT_SIBLING(dp);
}
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;
+ flags = FLAG_DIVERT_DIRS | FLAG_XFER_DIR;
} else {
dir_flist = cur_flist;
- flags = 0;
+ flags = FLAG_XFER_DIR;
}
disable_buffering = io_start_buffering_out(f);
if (fn != p || (*lp && *lp != '/')) {
int save_copy_links = copy_links;
int save_xfer_dirs = xfer_dirs;
- int dir_flags = inc_recurse ? FLAG_DIVERT_DIRS : 0;
+ int dir_flags = flags & ~FLAG_XFER_DIR;
copy_links |= copy_unsafe_links;
xfer_dirs = 1;
while ((slash = strchr(slash+1, '/')) != 0) {
if (recurse || (xfer_dirs && is_dot_dir)) {
struct file_struct *file;
- int top_flags = FLAG_TOP_DIR | FLAG_XFER_DIR | flags;
+ int top_flags = FLAG_TOP_DIR | flags;
file = send_file_name(f, flist, fbuf, &st,
top_flags, ALL_FILTERS);
if (file && !inc_recurse)
start_read = stats.total_read;
- flist = flist_new(0, "recv_file_list");
-
#ifdef SUPPORT_HARD_LINKS
- if (preserve_hard_links && protocol_version < 30)
+ if (preserve_hard_links && !first_flist)
init_hard_links();
#endif
+ flist = flist_new(0, "recv_file_list");
+
if (inc_recurse) {
if (flist->ndx_start == 0)
dir_flist = flist_new(FLIST_TEMP, "recv_file_list");
{
struct file_list *flist;
- flist = new(struct file_list);
+ flist = new0(struct file_list);
if (!flist)
out_of_memory(msg);
- memset(flist, 0, sizeof flist[0]);
-
if (flags & FLIST_TEMP) {
if (!(flist->file_pool = pool_create(SMALL_EXTENT, 0,
out_of_memory, POOL_INTERN)))
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;
}
/* FALL THROUGH */
case s_TRAILING:
+ found_prefix = 1;
if (!*c1)
return 0;
type2 = t_ITEM;
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];
* buffer or one of 5 static buffers if fbuf is NULL. No size-checking is
* done because we checked the size when creating the file_struct entry.
*/
-char *f_name(struct file_struct *f, char *fbuf)
+char *f_name(const struct file_struct *f, char *fbuf)
{
if (!f || !F_IS_ACTIVE(f))
return NULL;