extern int flist_eof;
extern int read_batch;
extern int csum_length;
+extern int protect_args;
extern int checksum_seed;
extern int protocol_version;
extern int remove_source_files;
extern struct stats stats;
extern struct file_list *cur_flist, *first_flist;
#ifdef ICONV_OPTION
+extern int filesfrom_convert;
extern iconv_t ic_send, ic_recv;
#endif
static int io_filesfrom_f_in = -1;
static int io_filesfrom_f_out = -1;
-static char io_filesfrom_buf[2048];
+static xbuf ff_buf = EMPTY_XBUF;
+static char ff_lastchar;
#ifdef ICONV_OPTION
-static char iconv_buf[sizeof io_filesfrom_buf / 2];
+static xbuf iconv_buf = EMPTY_XBUF;
#endif
-static char *io_filesfrom_bp;
-static char io_filesfrom_lastchar;
-static int io_filesfrom_buflen;
static int defer_forwarding_messages = 0;
static int select_timeout = SELECT_TIMEOUT;
static int active_filecnt = 0;
#ifdef ICONV_OPTION
if (convert) {
- iconv(ic_send, NULL, 0, NULL, 0);
+ xbuf outbuf, inbuf;
+
+ INIT_CONST_XBUF(outbuf, buffer);
+ INIT_XBUF(inbuf, (char*)buf, len, -1);
+
defer_forwarding_messages++;
- while (len) {
- ICONV_CONST char *ibuf = (ICONV_CONST char *)buf;
- char *obuf = buffer;
- size_t ocnt = sizeof buffer;
- while (len && iconv(ic_send, &ibuf,&len,
- &obuf,&ocnt) == (size_t)-1) {
- if (errno == E2BIG || !ocnt)
- break;
- *obuf++ = *ibuf++;
- ocnt--, len--;
- }
- n = obuf - buffer;
- writefd_unbuffered(fd, buffer, n);
- }
+ do {
+ iconvbufs(ic_send, &inbuf, &outbuf,
+ ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE);
+ writefd_unbuffered(fd, outbuf.buf, outbuf.len);
+ } while (inbuf.len);
if (!--defer_forwarding_messages)
msg_flush();
} else
* things at the same time: send the sender a list of what files we're
* processing and read the incoming file+info list from the sender. We do
* this by augmenting the read_timeout() function to copy this data. It
- * uses the io_filesfrom_buf to read a block of data from f_in (when it is
- * ready, since it might be a pipe) and then blast it out f_out (when it
- * is ready to receive more data).
+ * uses ff_buf to read a block of data from f_in (when it is ready, since
+ * it might be a pipe) and then blast it out f_out (when it is ready to
+ * receive more data).
*/
void io_set_filesfrom_fds(int f_in, int f_out)
{
io_filesfrom_f_in = f_in;
io_filesfrom_f_out = f_out;
- io_filesfrom_bp = io_filesfrom_buf;
- io_filesfrom_lastchar = '\0';
- io_filesfrom_buflen = 0;
+ alloc_xbuf(&ff_buf, 2048);
+#ifdef ICONV_OPTION
+ if (protect_args)
+ alloc_xbuf(&iconv_buf, 1024);
+#endif
}
/* It's almost always an error to get an EOF when we're trying to read from the
FD_SET(fd, &r_fds);
if (io_filesfrom_f_out >= 0) {
int new_fd;
- if (io_filesfrom_buflen == 0) {
+ if (ff_buf.len == 0) {
if (io_filesfrom_f_in >= 0) {
FD_SET(io_filesfrom_f_in, &r_fds);
new_fd = io_filesfrom_f_in;
}
if (io_filesfrom_f_out >= 0) {
- if (io_filesfrom_buflen) {
+ if (ff_buf.len) {
if (FD_ISSET(io_filesfrom_f_out, &w_fds)) {
int l = write(io_filesfrom_f_out,
- io_filesfrom_bp,
- io_filesfrom_buflen);
+ ff_buf.buf + ff_buf.pos,
+ ff_buf.len);
if (l > 0) {
- if (!(io_filesfrom_buflen -= l))
- io_filesfrom_bp = io_filesfrom_buf;
+ if (!(ff_buf.len -= l))
+ ff_buf.pos = 0;
else
- io_filesfrom_bp += l;
+ ff_buf.pos += l;
} else if (errno != EINTR) {
/* XXX should we complain? */
io_filesfrom_f_out = -1;
}
} else if (io_filesfrom_f_in >= 0) {
if (FD_ISSET(io_filesfrom_f_in, &r_fds)) {
- int l = read(io_filesfrom_f_in,
- io_filesfrom_buf,
- sizeof io_filesfrom_buf);
+ xbuf *ibuf = filesfrom_convert ? &iconv_buf : &ff_buf;
+ int l = read(io_filesfrom_f_in, ibuf->buf, ibuf->size);
if (l <= 0) {
if (l == 0 || errno != EINTR) {
/* Send end-of-file marker */
- io_filesfrom_buf[0] = '\0';
- io_filesfrom_buf[1] = '\0';
- io_filesfrom_buflen = io_filesfrom_lastchar? 2 : 1;
+ memcpy(ff_buf.buf, "\0\0", 2);
+ ff_buf.len = ff_lastchar? 2 : 1;
+ ff_buf.pos = 0;
io_filesfrom_f_in = -1;
}
} else {
+ if (filesfrom_convert) {
+ iconv_buf.pos = 0;
+ iconv_buf.len = l;
+ iconvbufs(ic_send, &iconv_buf, &ff_buf,
+ ICB_EXPAND_OUT|ICB_INCLUDE_BAD|ICB_INCLUDE_INCOMPLETE);
+ l = ff_buf.len;
+ }
if (!eol_nulls) {
- char *s = io_filesfrom_buf + l;
+ char *s = ff_buf.buf + l;
/* Transform CR and/or LF into '\0' */
- while (s-- > io_filesfrom_buf) {
+ while (s-- > ff_buf.buf) {
if (*s == '\n' || *s == '\r')
*s = '\0';
}
}
- if (!io_filesfrom_lastchar) {
+ if (!ff_lastchar) {
/* Last buf ended with a '\0', so don't
* let this buf start with one. */
- while (l && !*io_filesfrom_bp)
- io_filesfrom_bp++, l--;
+ while (l && ff_buf.buf[ff_buf.pos] == '\0')
+ ff_buf.pos++, l--;
}
if (!l)
- io_filesfrom_bp = io_filesfrom_buf;
+ ff_buf.pos = 0;
else {
- char *f = io_filesfrom_bp;
+ char *f = ff_buf.buf + ff_buf.pos;
char *t = f;
char *eob = f + l;
/* Eliminate any multi-'\0' runs. */
f++, l--;
}
}
- io_filesfrom_lastchar = f[-1];
+ ff_lastchar = f[-1];
}
- io_filesfrom_buflen = l;
+ ff_buf.len = l;
}
}
}
}
/* Read a line into the "buf" buffer. */
-int read_line(int fd, char *buf, size_t bufsiz, int dump_comments, int rl_nulls)
+int read_line(int fd, char *buf, size_t bufsiz, int flags)
{
- char ch, *s, *eob = buf + bufsiz - 1;
+ char ch, *s, *eob;
int cnt;
+#ifdef ICONV_OPTION
+ if (flags & RL_CONVERT && iconv_buf.size < bufsiz)
+ realloc_xbuf(&iconv_buf, bufsiz + 1024);
+#endif
+
start:
- s = buf;
+ s = flags & RL_CONVERT ? iconv_buf.buf : buf;
+ eob = s + bufsiz - 1;
while (1) {
cnt = read(fd, &ch, 1);
if (cnt < 0 && (errno == EWOULDBLOCK
}
if (cnt != 1)
break;
- if (rl_nulls ? ch == '\0' : (ch == '\r' || ch == '\n')) {
+ if (flags & RL_EOL_NULLS ? ch == '\0' : (ch == '\r' || ch == '\n')) {
/* Skip empty lines if dumping comments. */
- if (dump_comments && s == buf)
+ if (flags & RL_DUMP_COMMENTS && s == buf)
continue;
break;
}
}
*s = '\0';
- if (dump_comments && (*buf == '#' || *buf == ';'))
+ if (flags & RL_DUMP_COMMENTS && (*buf == '#' || *buf == ';'))
goto start;
+#ifdef ICONV_OPTION
+ if (flags & RL_CONVERT) {
+ xbuf outbuf;
+ INIT_XBUF(outbuf, buf, 0, bufsiz);
+ iconv_buf.pos = 0;
+ iconv_buf.len = s - iconv_buf.buf;
+ iconvbufs(ic_recv, &iconv_buf, &outbuf,
+ ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE);
+ outbuf.buf[outbuf.len] = '\0';
+ return outbuf.len;
+ }
+#endif
+
return s - buf;
}
int dot_pos = 0;
int argc = 0;
char **argv, *p;
+ int rl_flags = (rl_nulls ? RL_EOL_NULLS : 0)
+ | (protect_args && ic_recv != (iconv_t)-1 ? RL_CONVERT : 0);
if (!(argv = new_array(char *, maxargs)))
out_of_memory("read_args");
argv[argc++] = "rsyncd";
while (1) {
- if (read_line(f_in, buf, bufsiz, 0, rl_nulls) == 0)
+ if (read_line(f_in, buf, bufsiz, rl_flags) == 0)
break;
if (argc == maxargs) {
goto overflow;
#ifdef ICONV_OPTION
if (ic_recv != (iconv_t)-1) {
- ICONV_CONST char *ibuf;
- char *obuf = line;
- size_t icnt, ocnt = sizeof line - 1;
+ xbuf outbuf, inbuf;
+ char ibuf[512];
int add_null = 0;
- iconv(ic_send, NULL, 0, NULL, 0);
+ int pos = 0;
+
+ INIT_CONST_XBUF(outbuf, line);
+ inbuf.buf = ibuf;
+
while (msg_bytes) {
- icnt = msg_bytes > sizeof iconv_buf
- ? sizeof iconv_buf : msg_bytes;
- read_loop(fd, iconv_buf, icnt);
- if (!(msg_bytes -= icnt) && !iconv_buf[icnt-1])
- icnt--, add_null = 1;
- ibuf = (ICONV_CONST char *)iconv_buf;
- if (iconv(ic_send, &ibuf,&icnt,
- &obuf,&ocnt) == (size_t)-1)
- goto overflow; // XXX
+ inbuf.len = msg_bytes > sizeof ibuf
+ ? sizeof ibuf : msg_bytes;
+ read_loop(fd, inbuf.buf, inbuf.len);
+ if (!(msg_bytes -= inbuf.len)
+ && !ibuf[inbuf.len-1])
+ inbuf.len--, add_null = 1;
+ if (iconvbufs(ic_send, &inbuf, &outbuf,
+ ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE) < 0)
+ goto overflow;
+ pos = -1;
+ }
+ if (add_null) {
+ if (outbuf.len == outbuf.size)
+ goto overflow;
+ outbuf.buf[outbuf.len++] = '\0';
}
- if (add_null)
- *obuf++ = '\0';
- msg_bytes = obuf - line;
+ msg_bytes = outbuf.len;
} else
#endif
read_loop(fd, line, msg_bytes);
/* If the other side is sending us error messages, try
* to grab any messages they sent before they died. */
while (!am_server && fd == sock_f_out && io_multiplexing_in) {
+ char buf[1024];
set_io_timeout(30);
ignore_timeout = 0;
- readfd_unbuffered(sock_f_in, io_filesfrom_buf,
- sizeof io_filesfrom_buf);
+ readfd_unbuffered(sock_f_in, buf, sizeof buf);
}
exit_cleanup(RERR_STREAMIO);
}