extern int filesfrom_fd;
extern int one_file_system;
extern int copy_dirlinks;
-extern int keep_dirlinks;
extern int preserve_uid;
extern int preserve_gid;
extern int preserve_acls;
extern int preserve_hard_links;
extern int preserve_devices;
extern int preserve_specials;
+extern int delete_during;
extern int missing_args;
extern int uid_ndx;
extern int gid_ndx;
extern int protocol_version;
extern int sanitize_paths;
extern int munge_symlinks;
+extern int use_safe_inc_flist;
extern int need_unsorted_flist;
extern int sender_symlink_iconv;
extern int output_needs_newline;
extern struct chmod_mode_struct *chmod_modes;
-extern struct filter_list_struct filter_list;
-extern struct filter_list_struct daemon_filter_list;
+extern filter_rule_list filter_list;
+extern filter_rule_list daemon_filter_list;
#ifdef ICONV_OPTION
extern int filesfrom_convert;
extern iconv_t ic_send, ic_recv;
#endif
+#ifdef HAVE_UTIMENSAT
+#ifdef HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC
+#define ST_MTIME_NSEC st_mtim.tv_nsec
+#elif defined(HAVE_STRUCT_STAT_ST_MTIMENSEC)
+#define ST_MTIME_NSEC st_mtimensec
+#endif
+#endif
+
#define PTR_SIZE (sizeof (struct file_struct *))
int io_error;
int send_dir_ndx = -1, send_dir_depth = -1;
int flist_cnt = 0; /* how many (non-tmp) file list objects exist */
int file_total = 0; /* total of all active items over all file-lists */
+int file_old_total = 0; /* total of active items that will soon be gone */
int flist_eof = 0; /* all the file-lists are now known */
#define NORMAL_NAME 0
* 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;
+static int64 tmp_dev = -1, tmp_ino;
#endif
static char tmp_sum[MAX_DIGEST_LEN];
if (link_stat(path, stp, copy_dirlinks) < 0)
return -1;
if (S_ISLNK(stp->st_mode)) {
- int llen = readlink(path, linkbuf, MAXPATHLEN - 1);
+ int llen = do_readlink(path, linkbuf, MAXPATHLEN - 1);
if (llen < 0)
return -1;
linkbuf[llen] = '\0';
xflags |= XMIT_SAME_TIME;
else
modtime = file->modtime;
+ if (NSEC_BUMP(file) && protocol_version >= 31)
+ xflags |= XMIT_MOD_NSEC;
#ifdef SUPPORT_HARD_LINKS
- if (tmp_dev != 0) {
+ if (tmp_dev != -1) {
if (protocol_version >= 30) {
struct ht_int64_node *np = idev_find(tmp_dev, tmp_ino);
first_hlink_ndx = (int32)(long)np->data - 1;
else
write_int(f, modtime);
}
+ if (xflags & XMIT_MOD_NSEC)
+ write_varint(f, F_MOD_NSEC(file));
if (!(xflags & XMIT_SAME_MODE))
write_int(f, to_wire_mode(mode));
if (preserve_uid && !(xflags & XMIT_SAME_UID)) {
#endif
#ifdef SUPPORT_HARD_LINKS
- if (tmp_dev != 0 && protocol_version < 30) {
+ if (tmp_dev != -1 && protocol_version < 30) {
+ /* Older protocols expect the dev number to be transmitted
+ * 1-incremented so that it is never zero. */
if (protocol_version < 26) {
/* 32-bit dev_t and ino_t */
- write_int(f, (int32)dev);
+ write_int(f, (int32)(dev+1));
write_int(f, (int32)tmp_ino);
} else {
/* 64-bit dev_t and ino_t */
if (!(xflags & XMIT_SAME_DEV_pre30))
- write_longint(f, dev);
+ write_longint(f, dev+1);
write_longint(f, tmp_ino);
}
}
stats.total_size += F_LENGTH(file);
}
-static struct file_struct *recv_file_entry(struct file_list *flist,
- int xflags, int f)
+static struct file_struct *recv_file_entry(int f, struct file_list *flist, int xflags)
{
static int64 modtime;
static mode_t mode;
int extra_len = file_extra_cnt * EXTRA_LEN;
int first_hlink_ndx = -1;
int64 file_length;
+ uint32 modtime_nsec;
const char *basename;
struct file_struct *file;
alloc_pool_t *pool;
INIT_CONST_XBUF(outbuf, thisname);
INIT_XBUF(inbuf, lastname, basename_len, (size_t)-1);
- if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
+ if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) {
io_error |= IOERR_GENERAL;
rprintf(FERROR_UTF8,
"[%s] cannot convert filename: %s (%s)\n",
struct file_struct *first = flist->files[first_hlink_ndx - flist->ndx_start];
file_length = F_LENGTH(first);
modtime = first->modtime;
+ modtime_nsec = F_MOD_NSEC(first);
mode = first->mode;
if (preserve_uid)
uid = F_OWNER(first);
} else
modtime = read_int(f);
}
+ if (xflags & XMIT_MOD_NSEC)
+ modtime_nsec = read_varint(f);
+ else
+ modtime_nsec = 0;
if (!(xflags & XMIT_SAME_MODE))
mode = from_wire_mode(read_int(f));
#if SIZEOF_INT64 >= 8
if (file_length > 0xFFFFFFFFu && S_ISREG(mode))
extra_len += EXTRA_LEN;
+#endif
+#ifdef HAVE_UTIMENSAT
+ if (modtime_nsec)
+ extra_len += EXTRA_LEN;
#endif
if (file_length < 0) {
rprintf(FERROR, "Offset underflow: file-length is negative\n");
file->flags |= FLAG_HLINKED;
#endif
file->modtime = (time_t)modtime;
+#ifdef HAVE_UTIMENSAT
+ if (modtime_nsec) {
+ file->flags |= FLAG_MOD_NSEC;
+ OPT_EXTRA(file, 0)->unum = modtime_nsec;
+ }
+#endif
file->len32 = (uint32)file_length;
#if SIZEOF_INT64 >= 8
if (file_length > 0xFFFFFFFFu && S_ISREG(mode)) {
exit_cleanup(RERR_UNSUPPORTED);
#else
file->flags |= FLAG_LENGTH64;
- OPT_EXTRA(file, 0)->unum = (uint32)(file_length >> 32);
+ OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(file_length >> 32);
#endif
}
#endif
read_sbuf(f, inbuf.buf, inbuf.len);
INIT_XBUF(outbuf, bp, 0, alloc_len);
- if (iconvbufs(ic_recv, &inbuf, &outbuf, 0) < 0) {
+ if (iconvbufs(ic_recv, &inbuf, &outbuf, ICB_INIT) < 0) {
io_error |= IOERR_GENERAL;
rprintf(FERROR_XFER,
"[%s] cannot convert symlink data for: %s (%s)\n",
#ifdef SUPPORT_ACLS
if (preserve_acls && !S_ISLNK(mode))
- receive_acl(file, f);
+ receive_acl(f, file);
#endif
#ifdef SUPPORT_XATTRS
if (preserve_xattrs)
- receive_xattr(file, f );
+ receive_xattr(f, file);
#endif
if (S_ISREG(mode) || S_ISLNK(mode))
linkname_len = 0;
#endif
+#ifdef ST_MTIME_NSEC
+ if (st.ST_MTIME_NSEC && protocol_version >= 31)
+ extra_len += EXTRA_LEN;
+#endif
#if SIZEOF_CAPITAL_OFF_T >= 8
if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode))
extra_len += EXTRA_LEN;
if (protocol_version >= 28
? (!S_ISDIR(st.st_mode) && st.st_nlink > 1)
: S_ISREG(st.st_mode)) {
- tmp_dev = (int64)st.st_dev + 1;
+ tmp_dev = (int64)st.st_dev;
tmp_ino = (int64)st.st_ino;
} else
- tmp_dev = 0;
+ tmp_dev = -1;
}
#endif
file->flags = flags;
file->modtime = st.st_mtime;
+#ifdef ST_MTIME_NSEC
+ if (st.ST_MTIME_NSEC && protocol_version >= 31) {
+ file->flags |= FLAG_MOD_NSEC;
+ OPT_EXTRA(file, 0)->unum = st.ST_MTIME_NSEC;
+ }
+#endif
file->len32 = (uint32)st.st_size;
#if SIZEOF_CAPITAL_OFF_T >= 8
if (st.st_size > 0xFFFFFFFFu && S_ISREG(st.st_mode)) {
file->flags |= FLAG_LENGTH64;
- OPT_EXTRA(file, 0)->unum = (uint32)(st.st_size >> 32);
+ OPT_EXTRA(file, NSEC_BUMP(file))->unum = (uint32)(st.st_size >> 32);
}
#endif
file->mode = st.st_mode;
if (file->dirname) {
INIT_XBUF_STRLEN(inbuf, (char*)file->dirname);
outbuf.size -= 2; /* Reserve room for '/' & 1 more char. */
- if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0)
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0)
goto convert_error;
outbuf.size += 2;
fbuf[outbuf.len++] = '/';
}
INIT_XBUF_STRLEN(inbuf, (char*)file->basename);
- if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) {
convert_error:
io_error |= IOERR_GENERAL;
rprintf(FERROR_XFER,
if (symlink_len && sender_symlink_iconv) {
INIT_XBUF(inbuf, (char*)symlink_name, symlink_len, (size_t)-1);
INIT_CONST_XBUF(outbuf, symlink_buf);
- if (iconvbufs(ic_send, &inbuf, &outbuf, 0) < 0) {
+ if (iconvbufs(ic_send, &inbuf, &outbuf, ICB_INIT) < 0) {
io_error |= IOERR_GENERAL;
f_name(file, fbuf);
rprintf(FERROR_XFER,
#endif
#ifdef SUPPORT_XATTRS
if (preserve_xattrs) {
+ sx.st.st_mode = file->mode;
if (get_xattr(fname, &sx) < 0) {
io_error |= IOERR_GENERAL;
return NULL;
#ifdef SUPPORT_ACLS
if (preserve_acls && !S_ISLNK(file->mode)) {
- send_acl(&sx, f);
+ send_acl(f, &sx);
free_acl(&sx);
}
#endif
#ifdef SUPPORT_XATTRS
if (preserve_xattrs) {
- F_XATTR(file) = send_xattr(&sx, f);
+ F_XATTR(file) = send_xattr(f, &sx);
free_xattr(&sx);
}
#endif
unsigned int len = strlen(fbuf);
if (len > 1 && fbuf[len-1] == '/')
fbuf[--len] = '\0';
- if (len >= MAXPATHLEN - 1) {
- io_error |= IOERR_GENERAL;
- rprintf(FERROR_XFER, "skipping long-named directory: %s\n",
- full_fname(fbuf));
- return;
- }
save_filters = push_local_filters(fbuf, len);
send_directory(f, flist, fbuf, len, flags);
pop_local_filters(save_filters);
}
p = fbuf + len;
- if (len != 1 || *fbuf != '/')
+ if (len == 1 && *fbuf == '/')
+ remainder = MAXPATHLEN - 1;
+ else if (len < MAXPATHLEN-1) {
*p++ = '/';
- *p = '\0';
- remainder = MAXPATHLEN - (p - fbuf);
+ *p = '\0';
+ remainder = MAXPATHLEN - (len + 1);
+ } else
+ remainder = 0;
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, remainder) >= remainder) {
+ unsigned name_len = strlcpy(p, dname, remainder);
+ if (name_len >= remainder) {
+ char save = fbuf[len];
+ fbuf[len] = '\0';
io_error |= IOERR_GENERAL;
rprintf(FERROR_XFER,
- "cannot send long-named file %s\n",
- full_fname(fbuf));
+ "filename overflows max-path len by %u: %s/%s\n",
+ name_len - remainder + 1, fbuf, dname);
+ fbuf[len] = save;
continue;
}
if (dname[0] == '\0') {
item_list *relname_list;
relnamecache **rnpp;
int len, need_new_dir, depth = 0;
- struct filter_list_struct save_filter_list = filter_list;
+ filter_rule_list save_filter_list = filter_list;
flags = (flags | FLAG_IMPLIED_DIR) & ~(FLAG_TOP_DIR | FLAG_CONTENT_DIR);
filter_list.head = filter_list.tail = NULL; /* Don't filter implied dirs. */
filter_list = save_filter_list;
}
+static NORETURN void fatal_unsafe_io_error(void)
+{
+ /* This (sadly) can only happen when pushing data because
+ * the sender does not know about what kind of delete
+ * is in effect on the receiving side when pulling. */
+ rprintf(FERROR_XFER, "FATAL I/O ERROR: dying to avoid a --delete-during issue with a pre-3.0.7 receiver.\n");
+ exit_cleanup(RERR_UNSUPPORTED);
+}
+
static void send1extra(int f, struct file_struct *file, struct file_list *flist)
{
char fbuf[MAXPATHLEN];
struct file_list *flist;
int64 start_write;
uint16 prev_flags;
- int old_cnt, save_io_error = io_error;
+ int save_io_error = io_error;
if (flist_eof)
return;
+ if (at_least < 0)
+ at_least = file_total - file_old_total + 1;
+
/* Keep sending data until we have the requested number of
* files in the upcoming file-lists. */
- old_cnt = cur_flist->used;
- for (flist = first_flist; flist != cur_flist; flist = flist->next)
- old_cnt += flist->used;
- while (file_total - old_cnt < at_least) {
+ while (file_total - file_old_total < at_least) {
struct file_struct *file = dir_flist->sorted[send_dir_ndx];
int dir_ndx, dstart = stats.num_dirs;
const char *pathname = F_PATHNAME(file);
dp = F_DIR_NODE_P(file);
}
- if (protocol_version < 31 || io_error == save_io_error || ignore_errors)
+ if (io_error == save_io_error || ignore_errors)
write_byte(f, 0);
- else {
+ else if (use_safe_inc_flist) {
write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
write_varint(f, io_error);
+ } else {
+ if (delete_during)
+ fatal_unsafe_io_error();
+ write_byte(f, 0);
}
if (need_unsorted_flist) {
if ((send_dir_ndx = DIR_PARENT(dp)) < 0) {
write_ndx(f, NDX_FLIST_EOF);
flist_eof = 1;
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
change_local_filter_dir(NULL, 0, 0);
goto finish;
}
struct timeval start_tv, end_tv;
int64 start_write;
int use_ff_fd = 0;
- int disable_buffering;
+ int disable_buffering, reenable_multiplex = -1;
int flags = recurse ? FLAG_CONTENT_DIR : 0;
int reading_remotely = filesfrom_host != NULL;
int rl_flags = (reading_remotely ? 0 : RL_DUMP_COMMENTS)
full_fname(argv[0]));
exit_cleanup(RERR_FILESELECT);
}
+ if (protocol_version < 31) {
+ /* Older protocols send the files-from data w/o packaging
+ * it in multiplexed I/O packets, so temporarily switch
+ * to buffered I/O to match this behavior. */
+ reenable_multiplex = io_end_multiplex_in(MPLX_TO_BUFFERED);
+ }
use_ff_fd = 1;
}
send_file_name(f, flist, fbuf, &st, flags, NO_FILTERS);
}
+ if (reenable_multiplex >= 0)
+ io_start_multiplex_in(reenable_multiplex);
+
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;
start_tv = end_tv;
/* Indicate end of file list */
- if (protocol_version < 31 || io_error == 0 || ignore_errors)
+ if (io_error == 0 || ignore_errors)
write_byte(f, 0);
- else {
+ else if (use_safe_inc_flist) {
write_shortint(f, XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST);
write_varint(f, io_error);
+ } else {
+ if (delete_during && inc_recurse)
+ fatal_unsafe_io_error();
+ write_byte(f, 0);
}
#ifdef SUPPORT_HARD_LINKS
flist->sorted = flist->files;
flist_sort_and_clean(flist, 0);
file_total += flist->used;
+ file_old_total += flist->used;
if (numeric_ids <= 0 && !inc_recurse)
send_id_list(f);
- set_msg_fd_in(-1);
-
/* send the io_error flag */
if (protocol_version < 30)
write_int(f, ignore_errors ? 0 : io_error);
- else if (io_error && protocol_version == 30 && !ignore_errors)
+ else if (!use_safe_inc_flist && io_error && !ignore_errors)
send_msg_int(MSG_IO_ERROR, io_error);
if (disable_buffering)
- io_end_buffering_out();
+ io_end_buffering_out(IOBUF_FREE_BUFS);
stats.flist_size = stats.total_written - start_write;
stats.num_files = flist->used;
if (send_dir_ndx < 0) {
write_ndx(f, NDX_FLIST_EOF);
flist_eof = 1;
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
}
else if (file_total == 1) {
/* If we're creating incremental file-lists and there
* file-list to check if this is a 1-file xfer. */
send_extra_file_list(f, 1);
}
- } else
+ } else {
flist_eof = 1;
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
+ }
return flist;
}
if (flags == (XMIT_EXTENDED_FLAGS|XMIT_IO_ERROR_ENDLIST)) {
int err;
- if (protocol_version < 31) {
+ if (!use_safe_inc_flist) {
rprintf(FERROR, "Invalid flist flag: %x\n", flags);
exit_cleanup(RERR_PROTOCOL);
}
}
flist_expand(flist, 1);
- file = recv_file_entry(flist, flags, f);
+ file = recv_file_entry(f, flist, flags);
if (S_ISREG(file->mode)) {
/* Already counted */
else if (f >= 0) {
recv_id_list(f, flist);
flist_eof = 1;
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
}
flist_sort_and_clean(flist, relative_paths);
int ndx = read_ndx(f);
if (ndx == NDX_FLIST_EOF) {
flist_eof = 1;
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
change_local_filter_dir(NULL, 0, 0);
} else {
ndx = NDX_FLIST_OFFSET - ndx;