*
* Copyright (C) 1996 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
- * Copyright (C) 2003-2007 Wayne Davison
+ * Copyright (C) 2003-2009 Wayne Davison
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
#include <langinfo.h>
#endif
-extern int verbose;
extern int dry_run;
extern int preserve_acls;
extern int preserve_xattrs;
extern int am_root;
extern int am_server;
extern int am_sender;
+extern int am_receiver;
extern int am_generator;
extern int am_starting_up;
extern int allow_8bit_chars;
extern int protocol_version;
-extern int uid_ndx;
-extern int gid_ndx;
extern int inc_recurse;
extern int inplace;
extern int flist_eof;
+extern int file_old_total;
extern int keep_dirlinks;
extern int make_backups;
extern struct file_list *cur_flist, *first_flist, *dir_flist;
# endif
if (!am_server && !allow_8bit_chars) {
-
/* It's OK if this fails... */
ic_chck = iconv_open(defset, defset);
- if (verbose > 3) {
+ if (DEBUG_GTE(ICONV, 2)) {
if (ic_chck == (iconv_t)-1) {
rprintf(FINFO,
- "note: iconv_open(\"%s\", \"%s\") failed (%d)"
- " -- using isprint() instead of iconv().\n",
+ "msg checking via isprint()"
+ " (iconv_open(\"%s\", \"%s\") errno: %d)\n",
defset, defset, errno);
} else {
rprintf(FINFO,
- "note: iconv_open(\"%s\", \"%s\") succeeded.\n",
- defset, defset);
+ "msg checking charset: %s\n",
+ defset);
}
}
- }
+ } else
+ ic_chck = (iconv_t)-1;
# ifdef ICONV_OPTION
if (!iconv_opt)
exit_cleanup(RERR_UNSUPPORTED);
}
- if (verbose > 1) {
- rprintf(FINFO, "%s charset: %s\n",
- am_server ? "server" : "client",
- *charset ? charset : "[LOCALE]");
+ if (DEBUG_GTE(ICONV, 1)) {
+ rprintf(FINFO, "[%s] charset: %s\n",
+ who_am_i(), *charset ? charset : "[LOCALE]");
}
# endif
}
-/* This function converts the characters in the "in" xbuf into characters
- * in the "out" xbuf. The "len" of the "in" xbuf is used starting from its
- * "pos". The "size" of the "out" xbuf restricts how many characters can be
- * stored, starting at its "pos+len" position. Note that the last byte of
- * the buffer is never used, which reserves space for a terminating '\0'.
+/* This function converts the chars in the "in" xbuf into characters in the
+ * "out" xbuf. The ".len" chars of the "in" xbuf is used starting from its
+ * ".pos". The ".size" of the "out" xbuf restricts how many characters can
+ * be stored, starting at its ".pos+.len" position. Note that the last byte
+ * of the "out" xbuf is not used, which reserves space for a trailing '\0'
+ * (though it is up to the caller to store a trailing '\0', as needed).
+ *
* We return a 0 on success or a -1 on error. An error also sets errno to
* E2BIG, EILSEQ, or EINVAL (see below); otherwise errno will be set to 0.
- * The "in" xbuf is altered to update "pos" and "len". The "out" xbuf has
- * data appended, and its "len" incremented. If ICB_EXPAND_OUT is set in
- * "flags", the "out" xbuf will also be allocated if empty, and expanded if
- * too small (so E2BIG will not be returned). If ICB_INCLUDE_BAD is set in
- * "flags", any badly-encoded chars are included verbatim in the "out" xbuf,
- * so EILSEQ will not be returned. Likewise for ICB_INCLUDE_INCOMPLETE with
- * respect to an incomplete multi-byte char at the end, which ensures that
- * EINVAL is not returned. Anytime "in.pos" is 0 we will reset the iconv()
- * state prior to processing the characters. */
+ * The "in" xbuf is altered to update ".pos" and ".len". The "out" xbuf has
+ * data appended, and its ".len" incremented (see below for a ".size" note).
+ *
+ * If ICB_CIRCULAR_OUT is set in "flags", the chars going into the "out" xbuf
+ * can wrap around to the start, and the xbuf may have its ".size" reduced
+ * (presumably by 1 byte) if the iconv code doesn't have space to store a
+ * multi-byte character at the physical end of the ".buf" (though no reducing
+ * happens if ".pos" is <= 1, since there is no room to wrap around).
+ *
+ * If ICB_EXPAND_OUT is set in "flags", the "out" xbuf will be allocated if
+ * empty, and (as long as ICB_CIRCULAR_OUT is not set) expanded if too small.
+ * This prevents the return of E2BIG (except for a circular xbuf).
+ *
+ * If ICB_INCLUDE_BAD is set in "flags", any badly-encoded chars are included
+ * verbatim in the "out" xbuf, so EILSEQ will not be returned.
+ *
+ * If ICB_INCLUDE_INCOMPLETE is set in "flags", any incomplete multi-byte
+ * chars are included, which ensures that EINVAL is not returned.
+ *
+ * If ICB_INIT is set, the iconv() conversion state is initialized prior to
+ * processing the characters. */
int iconvbufs(iconv_t ic, xbuf *in, xbuf *out, int flags)
{
ICONV_CONST char *ibuf;
- size_t icnt, ocnt;
+ size_t icnt, ocnt, opos;
char *obuf;
- if (!out->size && flags & ICB_EXPAND_OUT)
- alloc_xbuf(out, 1024);
+ if (!out->size && flags & ICB_EXPAND_OUT) {
+ size_t siz = ROUND_UP_1024(in->len * 2);
+ alloc_xbuf(out, siz);
+ } else if (out->len+1 >= out->size) {
+ /* There is no room to even start storing data. */
+ if (!(flags & ICB_EXPAND_OUT) || flags & ICB_CIRCULAR_OUT) {
+ errno = E2BIG;
+ return -1;
+ }
+ realloc_xbuf(out, out->size + ROUND_UP_1024(in->len * 2));
+ }
- if (!in->pos)
+ if (flags & ICB_INIT)
iconv(ic, NULL, 0, NULL, 0);
ibuf = in->buf + in->pos;
icnt = in->len;
- obuf = out->buf + (out->pos + out->len);
- ocnt = out->size - (out->pos + out->len) - 1;
+ opos = out->pos + out->len;
+ if (flags & ICB_CIRCULAR_OUT) {
+ if (opos >= out->size) {
+ opos -= out->size;
+ /* We know that out->pos is not 0 due to the "no room" check
+ * above, so this can't go "negative". */
+ ocnt = out->pos - opos - 1;
+ } else {
+ /* Allow the use of all bytes to the physical end of the buffer
+ * unless pos is 0, in which case we reserve our trailing '\0'. */
+ ocnt = out->size - opos - (out->pos ? 0 : 1);
+ }
+ } else
+ ocnt = out->size - opos - 1;
+ obuf = out->buf + opos;
while (icnt) {
while (iconv(ic, &ibuf, &icnt, &obuf, &ocnt) == (size_t)-1) {
} else if (errno == EILSEQ) {
if (!(flags & ICB_INCLUDE_BAD))
goto finish;
- } else {
- size_t opos = obuf - out->buf;
- if (!(flags & ICB_EXPAND_OUT)) {
+ } else if (errno == E2BIG) {
+ size_t siz;
+ opos = obuf - out->buf;
+ if (flags & ICB_CIRCULAR_OUT && out->pos > 1 && opos > out->pos) {
+ /* We are in a divided circular buffer at the physical
+ * end with room to wrap to the start. If iconv() refused
+ * to use one or more trailing bytes in the buffer, we
+ * set the size to ignore the unused bytes. */
+ if (opos < out->size)
+ reduce_iobuf_size(out, opos);
+ obuf = out->buf;
+ ocnt = out->pos - 1;
+ continue;
+ }
+ if (!(flags & ICB_EXPAND_OUT) || flags & ICB_CIRCULAR_OUT) {
errno = E2BIG;
goto finish;
}
- realloc_xbuf(out, out->size + 1024);
+ siz = ROUND_UP_1024(in->len * 2);
+ realloc_xbuf(out, out->size + siz);
obuf = out->buf + opos;
- ocnt += 1024;
+ ocnt += siz;
continue;
+ } else {
+ rsyserr(FERROR, errno, "unexpected error from iconv()");
+ exit_cleanup(RERR_UNSUPPORTED);
}
*obuf++ = *ibuf++;
ocnt--, icnt--;
errno = 0;
finish:
+ opos = obuf - out->buf;
+ if (flags & ICB_CIRCULAR_OUT && opos < out->pos)
+ opos += out->size;
+ out->len = opos - out->pos;
+
in->len = icnt;
in->pos = ibuf - in->buf;
- out->len = obuf - out->buf - out->pos;
return errno ? -1 : 0;
}
#endif
-int read_ndx_and_attrs(int f_in, int *iflag_ptr, uchar *type_ptr,
+void send_protected_args(int fd, char *args[])
+{
+ int i;
+#ifdef ICONV_OPTION
+ int convert = ic_send != (iconv_t)-1;
+ xbuf outbuf, inbuf;
+
+ if (convert)
+ alloc_xbuf(&outbuf, 1024);
+#endif
+
+ for (i = 0; args[i]; i++) {} /* find first NULL */
+ args[i] = "rsync"; /* set a new arg0 */
+ if (DEBUG_GTE(CMD, 1))
+ print_child_argv("protected args:", args + i + 1);
+ do {
+ if (!args[i][0])
+ write_buf(fd, ".", 2);
+#ifdef ICONV_OPTION
+ else if (convert) {
+ INIT_XBUF_STRLEN(inbuf, args[i]);
+ iconvbufs(ic_send, &inbuf, &outbuf,
+ ICB_EXPAND_OUT | ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE | ICB_INIT);
+ outbuf.buf[outbuf.len] = '\0';
+ write_buf(fd, outbuf.buf, outbuf.len + 1);
+ outbuf.len = 0;
+ }
+#endif
+ else
+ write_buf(fd, args[i], strlen(args[i]) + 1);
+ } while (args[++i]);
+ write_byte(fd, 0);
+
+#ifdef ICONV_OPTION
+ if (convert)
+ free(outbuf.buf);
+#endif
+}
+
+int read_ndx_and_attrs(int f_in, int f_out, int *iflag_ptr, uchar *type_ptr,
char *buf, int *len_ptr)
{
int len, iflags = 0;
struct file_list *flist;
uchar fnamecmp_type = FNAMECMP_FNAME;
- int ndx, save_verbose = verbose;
+ int ndx;
read_loop:
while (1) {
break;
if (ndx == NDX_DONE)
return ndx;
- if (!inc_recurse || am_sender)
- goto invalid_ndx;
+ if (ndx == NDX_DEL_STATS) {
+ read_del_stats(f_in);
+ if (am_sender && am_server)
+ write_del_stats(f_out);
+ continue;
+ }
+ if (!inc_recurse || am_sender) {
+ int last;
+ if (first_flist)
+ last = first_flist->prev->ndx_start + first_flist->prev->used - 1;
+ else
+ last = -1;
+ rprintf(FERROR,
+ "Invalid file index: %d (%d - %d) [%s]\n",
+ ndx, NDX_DONE, last, who_am_i());
+ exit_cleanup(RERR_PROTOCOL);
+ }
if (ndx == NDX_FLIST_EOF) {
flist_eof = 1;
- send_msg(MSG_FLIST_EOF, "", 0, 0);
+ if (DEBUG_GTE(FLIST, 3))
+ rprintf(FINFO, "[%s] flist_eof=1\n", who_am_i());
+ write_int(f_out, NDX_FLIST_EOF);
continue;
}
ndx = NDX_FLIST_OFFSET - ndx;
if (ndx < 0 || ndx >= dir_flist->used) {
ndx = NDX_FLIST_OFFSET - ndx;
rprintf(FERROR,
- "[%s] Invalid dir index: %d (%d - %d)\n",
- who_am_i(), ndx, NDX_FLIST_OFFSET,
- NDX_FLIST_OFFSET - dir_flist->used + 1);
+ "Invalid dir index: %d (%d - %d) [%s]\n",
+ ndx, NDX_FLIST_OFFSET,
+ NDX_FLIST_OFFSET - dir_flist->used + 1,
+ who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
- /* Send everything read from f_in to msg_fd_out. */
- if (verbose > 3) {
+ if (DEBUG_GTE(FLIST, 2)) {
rprintf(FINFO, "[%s] receiving flist for dir %d\n",
who_am_i(), ndx);
}
- verbose = 0;
- send_msg_int(MSG_FLIST, ndx);
- start_flist_forward(f_in);
+ /* Send all the data we read for this flist to the generator. */
+ start_flist_forward(ndx);
flist = recv_file_list(f_in);
flist->parent_ndx = ndx;
stop_flist_forward();
- verbose = save_verbose;
}
iflags = protocol_version >= 29 ? read_shortint(f_in)
: ITEM_TRANSFER | ITEM_MISSING_DATA;
- /* Honor the old-style keep-alive indicator. */
- if (protocol_version < 30
- && ndx == cur_flist->used && iflags == ITEM_IS_NEW) {
+ /* Support the protocol-29 keep-alive style. */
+ if (protocol_version < 30 && ndx == cur_flist->used && iflags == ITEM_IS_NEW) {
if (am_sender)
- maybe_send_keepalive();
+ maybe_send_keepalive(time(NULL), MSK_ALLOW_FLUSH);
goto read_loop;
}
- if (!(flist = flist_for_ndx(ndx))) {
- int start, used;
- invalid_ndx:
- start = first_flist ? first_flist->ndx_start : 0;
- used = first_flist ? first_flist->used : 0;
- rprintf(FERROR,
- "Invalid file index: %d (%d - %d) with iflags %x [%s]\n",
- ndx, start - 1, start + used -1, iflags, who_am_i());
- exit_cleanup(RERR_PROTOCOL);
+ flist = flist_for_ndx(ndx, "read_ndx_and_attrs");
+ if (flist != cur_flist) {
+ cur_flist = flist;
+ if (am_sender) {
+ file_old_total = cur_flist->used;
+ for (flist = first_flist; flist != cur_flist; flist = flist->next)
+ file_old_total += flist->used;
+ }
}
- cur_flist = flist;
if (iflags & ITEM_BASIS_TYPE_FOLLOWS)
fnamecmp_type = read_byte(f_in);
full_fname(fname));
return 0;
}
-#ifdef SUPPORT_ACLS
- sx2.acc_acl = sx2.def_acl = NULL;
-#endif
-#ifdef SUPPORT_XATTRS
- sx2.xattr = NULL;
-#endif
+ init_stat_x(&sx2);
sxp = &sx2;
inherit = !preserve_perms;
} else
set_xattr(fname, file, fnamecmp, sxp);
#endif
- if (!preserve_times || (S_ISDIR(sxp->st.st_mode) && preserve_times == 1))
+ if (!preserve_times
+ || (!(preserve_times & PRESERVE_DIR_TIMES) && S_ISDIR(sxp->st.st_mode))
+ || (!(preserve_times & PRESERVE_LINK_TIMES) && S_ISLNK(sxp->st.st_mode)))
flags |= ATTRS_SKIP_MTIME;
if (!(flags & ATTRS_SKIP_MTIME)
&& cmp_time(sxp->st.st_mtime, file->modtime) != 0) {
- int ret = set_modtime(fname, file->modtime, sxp->st.st_mode);
+ int ret = set_modtime(fname, file->modtime, F_MOD_NSEC(file), sxp->st.st_mode);
if (ret < 0) {
rsyserr(FERROR_XFER, errno, "failed to set times on %s",
full_fname(fname));
}
if (ret == 0) /* ret == 1 if symlink could not be set */
updated = 1;
+ else
+ file->flags |= FLAG_TIME_FAILED;
}
change_uid = am_root && uid_ndx && sxp->st.st_uid != (uid_t)F_OWNER(file);
change_gid = gid_ndx && !(file->flags & FLAG_SKIP_GROUP)
&& sxp->st.st_gid != (gid_t)F_GROUP(file);
-#if !defined HAVE_LCHOWN && !defined CHOWN_MODIFIES_SYMLINK
+#ifndef CAN_CHOWN_SYMLINK
if (S_ISLNK(sxp->st.st_mode)) {
;
} else
#endif
if (change_uid || change_gid) {
- if (verbose > 2) {
+ if (DEBUG_GTE(OWN, 1)) {
if (change_uid) {
rprintf(FINFO,
"set uid of %s from %u to %u\n",
}
}
if (am_root >= 0) {
- if (do_lchown(fname,
- change_uid ? (uid_t)F_OWNER(file) : sxp->st.st_uid,
- change_gid ? (gid_t)F_GROUP(file) : sxp->st.st_gid) != 0) {
+ uid_t uid = change_uid ? (uid_t)F_OWNER(file) : sxp->st.st_uid;
+ gid_t gid = change_gid ? (gid_t)F_GROUP(file) : sxp->st.st_gid;
+ if (do_lchown(fname, uid, gid) != 0) {
/* We shouldn't have attempted to change uid
* or gid unless have the privilege. */
rsyserr(FERROR_XFER, errno, "%s %s failed",
full_fname(fname));
goto cleanup;
}
+ if (uid == (uid_t)-1 && sxp->st.st_uid != (uid_t)-1)
+ rprintf(FERROR_XFER, "uid 4294967295 (-1) is impossible to set on %s\n", full_fname(fname));
+ if (gid == (gid_t)-1 && sxp->st.st_gid != (gid_t)-1)
+ rprintf(FERROR_XFER, "gid 4294967295 (-1) is impossible to set on %s\n", full_fname(fname));
/* A lchown had been done, so we need to re-stat if
* the destination had the setuid or setgid bits set
* (due to the side effect of the chown call). */
* If set_acl() changes permission bits in the process of setting
* an access ACL, it changes sxp->st.st_mode so we know whether we
* need to chmod(). */
- if (preserve_acls && !S_ISLNK(new_mode) && set_acl(fname, file, sxp) == 0)
- updated = 1;
+ if (preserve_acls && !S_ISLNK(new_mode)) {
+ if (set_acl(fname, file, sxp, new_mode) > 0)
+ updated = 1;
+ }
#endif
#ifdef HAVE_CHMOD
}
#endif
- if (verbose > 1 && flags & ATTRS_REPORT) {
+ if (INFO_GTE(NAME, 2) && flags & ATTRS_REPORT) {
if (updated)
rprintf(FCLIENT, "%s\n", fname);
else
const char *temp_copy_name = partialptr && *partialptr != '/' ? partialptr : NULL;
if (inplace) {
- if (verbose > 2)
+ if (DEBUG_GTE(RECV, 1))
rprintf(FINFO, "finishing %s\n", fname);
fnametmp = fname;
goto do_set_file_attrs;
}
- if (make_backups > 0 && overwriting_basis && !make_backup(fname))
- return 1;
+ if (make_backups > 0 && overwriting_basis) {
+ int ok = make_backup(fname, False);
+ if (!ok)
+ return 1;
+ if (ok == 1 && fnamecmp == fname)
+ fnamecmp = get_backup_name(fname);
+ }
/* Change permissions before putting the file into place. */
set_file_attrs(fnametmp, file, NULL, fnamecmp,
ok_to_set_time ? 0 : ATTRS_SKIP_MTIME);
/* move tmp file over real file */
- if (verbose > 2)
+ if (DEBUG_GTE(RECV, 1))
rprintf(FINFO, "renaming %s to %s\n", fnametmp, fname);
- ret = robust_rename(fnametmp, fname, temp_copy_name,
- file->mode & INITACCESSPERMS);
+ ret = robust_rename(fnametmp, fname, temp_copy_name, file->mode);
if (ret < 0) {
rsyserr(FERROR_XFER, errno, "%s %s -> \"%s\"",
ret == -2 ? "copy" : "rename",
full_fname(fnametmp), fname);
if (!partialptr || (ret == -2 && temp_copy_name)
- || robust_rename(fnametmp, partialptr, NULL,
- file->mode & INITACCESSPERMS) < 0)
+ || robust_rename(fnametmp, partialptr, NULL, file->mode) < 0)
do_unlink(fnametmp);
return 0;
}
return 1;
}
-struct file_list *flist_for_ndx(int ndx)
+struct file_list *flist_for_ndx(int ndx, const char *fatal_error_loc)
{
struct file_list *flist = cur_flist;
if (!flist && !(flist = first_flist))
- return NULL;
+ goto not_found;
while (ndx < flist->ndx_start-1) {
if (flist == first_flist)
- return NULL;
+ goto not_found;
flist = flist->prev;
}
while (ndx >= flist->ndx_start + flist->used) {
if (!(flist = flist->next))
- return NULL;
+ goto not_found;
}
return flist;
+
+ not_found:
+ if (fatal_error_loc) {
+ int first, last;
+ if (first_flist) {
+ first = first_flist->ndx_start - 1;
+ last = first_flist->prev->ndx_start + first_flist->prev->used - 1;
+ } else {
+ first = 0;
+ last = -1;
+ }
+ rprintf(FERROR,
+ "File-list index %d not in %d - %d (%s) [%s]\n",
+ ndx, first, last, fatal_error_loc, who_am_i());
+ exit_cleanup(RERR_PROTOCOL);
+ }
+ return NULL;
}
const char *who_am_i(void)
{
if (am_starting_up)
return am_server ? "server" : "client";
- return am_sender ? "sender" : am_generator ? "generator" : "receiver";
+ return am_sender ? "sender"
+ : am_generator ? "generator"
+ : am_receiver ? "receiver"
+ : "Receiver"; /* pre-forked receiver */
}
git.samba.org / rsync.git / blobdiff