* Copyright (C) 1996-2001 Andrew Tridgell
* Copyright (C) 1996 Paul Mackerras
* Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
- * 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 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
* io_start_multiplex_out() and io_start_multiplex_in(). */
#include "rsync.h"
+#include "ifuncs.h"
/** If no timeout is specified then use a 60 second select timeout */
#define SELECT_TIMEOUT 60
extern int io_error;
extern int eol_nulls;
extern int flist_eof;
+extern int list_only;
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 int preserve_hard_links;
-extern char *filesfrom_host;
extern struct stats stats;
-extern struct file_list *cur_flist, *first_flist;
+extern struct file_list *cur_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 defer_forwarding_messages = 0, keep_defer_forwarding = 0;
static int select_timeout = SELECT_TIMEOUT;
static int active_filecnt = 0;
static OFF_T active_bytecnt = 0;
+static int first_message = 1;
static char int_byte_extra[64] = {
0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* (00 - 3F)/4 */
2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 4, 5, 6, /* (C0 - FF)/4 */
};
+#define REMOTE_OPTION_ERROR "rsync: on remote machine: -"
+#define REMOTE_OPTION_ERROR2 ": unknown option"
+
+enum festatus { FES_SUCCESS, FES_REDO, FES_NO_SEND };
+
static void readfd(int fd, char *buffer, size_t N);
static void writefd(int fd, const char *buf, size_t len);
static void writefd_unbuffered(int fd, const char *buf, size_t len);
-static void decrement_active_files(int ndx);
-static void decrement_flist_in_progress(int ndx, int redo);
static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len, int convert);
-struct flist_ndx_item {
- struct flist_ndx_item *next;
- int ndx;
-};
-
-struct flist_ndx_list {
- struct flist_ndx_item *head, *tail;
-};
-
-static struct flist_ndx_list redo_list, hlink_list;
+static flist_ndx_list redo_list, hlink_list;
struct msg_list_item {
struct msg_list_item *next;
static struct msg_list msg_queue;
-static void flist_ndx_push(struct flist_ndx_list *lp, int ndx)
-{
- struct flist_ndx_item *item;
-
- if (!(item = new(struct flist_ndx_item)))
- out_of_memory("flist_ndx_push");
- item->next = NULL;
- item->ndx = ndx;
- if (lp->tail)
- lp->tail->next = item;
- else
- lp->head = item;
- lp->tail = item;
-}
-
-static int flist_ndx_pop(struct flist_ndx_list *lp)
+static void got_flist_entry_status(enum festatus status, const char *buf)
{
- struct flist_ndx_item *next;
- int ndx;
+ int ndx = IVAL(buf, 0);
+ struct file_list *flist = flist_for_ndx(ndx, "got_flist_entry_status");
- if (!lp->head)
- return -1;
+ if (remove_source_files) {
+ active_filecnt--;
+ active_bytecnt -= F_LENGTH(flist->files[ndx - flist->ndx_start]);
+ }
- ndx = lp->head->ndx;
- next = lp->head->next;
- free(lp->head);
- lp->head = next;
- if (!next)
- lp->tail = NULL;
+ if (inc_recurse)
+ flist->in_progress--;
- return ndx;
+ switch (status) {
+ case FES_SUCCESS:
+ if (remove_source_files)
+ send_msg(MSG_SUCCESS, buf, 4, 0);
+ if (preserve_hard_links) {
+ struct file_struct *file = flist->files[ndx - flist->ndx_start];
+ if (F_IS_HLINKED(file)) {
+ flist_ndx_push(&hlink_list, ndx);
+ flist->in_progress++;
+ }
+ }
+ break;
+ case FES_REDO:
+ if (read_batch) {
+ if (inc_recurse)
+ flist->in_progress++;
+ break;
+ }
+ if (inc_recurse)
+ flist->to_redo++;
+ flist_ndx_push(&redo_list, ndx);
+ break;
+ case FES_NO_SEND:
+ break;
+ }
}
static void check_timeout(void)
lst->tail = m;
}
+static inline int flush_a_msg(int fd)
+{
+ struct msg_list_item *m = msg_queue.head;
+ int len = IVAL(m->buf, 0) & 0xFFFFFF;
+ int tag = *((uchar*)m->buf+3) - MPLEX_BASE;
+
+ if (!(msg_queue.head = m->next))
+ msg_queue.tail = NULL;
+
+ defer_forwarding_messages++;
+ mplex_write(fd, tag, m->buf + 4, len, m->convert);
+ defer_forwarding_messages--;
+
+ free(m);
+
+ return len;
+}
+
static void msg_flush(void)
{
if (am_generator) {
- while (msg_queue.head && io_multiplexing_out) {
- struct msg_list_item *m = msg_queue.head;
- int len = IVAL(m->buf, 0) & 0xFFFFFF;
- int tag = *((uchar*)m->buf+3) - MPLEX_BASE;
- if (!(msg_queue.head = m->next))
- msg_queue.tail = NULL;
- stats.total_written += len + 4;
- defer_forwarding_messages++;
- mplex_write(sock_f_out, tag, m->buf + 4, len, m->convert);
- defer_forwarding_messages--;
- free(m);
- }
+ while (msg_queue.head && io_multiplexing_out)
+ stats.total_written += flush_a_msg(sock_f_out) + 4;
} else {
- while (msg_queue.head) {
- struct msg_list_item *m = msg_queue.head;
- int len = IVAL(m->buf, 0) & 0xFFFFFF;
- int tag = *((uchar*)m->buf+3) - MPLEX_BASE;
- if (!(msg_queue.head = m->next))
- msg_queue.tail = NULL;
- defer_forwarding_messages++;
- mplex_write(msg_fd_out, tag, m->buf + 4, len, m->convert);
- defer_forwarding_messages--;
- free(m);
- }
+ while (msg_queue.head)
+ (void)flush_a_msg(msg_fd_out);
+ }
+}
+
+static void check_for_d_option_error(const char *msg)
+{
+ static char rsync263_opts[] = "BCDHIKLPRSTWabceghlnopqrtuvxz";
+ char *colon;
+ int saw_d = 0;
+
+ if (*msg != 'r'
+ || strncmp(msg, REMOTE_OPTION_ERROR, sizeof REMOTE_OPTION_ERROR - 1) != 0)
+ return;
+
+ msg += sizeof REMOTE_OPTION_ERROR - 1;
+ if (*msg == '-' || (colon = strchr(msg, ':')) == NULL
+ || strncmp(colon, REMOTE_OPTION_ERROR2, sizeof REMOTE_OPTION_ERROR2 - 1) != 0)
+ return;
+
+ for ( ; *msg != ':'; msg++) {
+ if (*msg == 'd')
+ saw_d = 1;
+ else if (*msg == 'e')
+ break;
+ else if (strchr(rsync263_opts, *msg) == NULL)
+ return;
+ }
+
+ if (saw_d) {
+ rprintf(FWARNING,
+ "*** Try using \"--old-d\" if remote rsync is <= 2.6.3 ***\n");
}
}
if (len != 4 || !am_generator)
goto invalid_msg;
readfd(fd, buf, 4);
- if (remove_source_files)
- decrement_active_files(IVAL(buf,0));
- flist_ndx_push(&redo_list, IVAL(buf,0));
- if (inc_recurse)
- decrement_flist_in_progress(IVAL(buf,0), 1);
+ got_flist_entry_status(FES_REDO, buf);
break;
case MSG_FLIST:
if (len != 4 || !am_generator || !inc_recurse)
}
flist = recv_file_list(fd);
flist->parent_ndx = IVAL(buf,0);
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links)
+ match_hard_links(flist);
+#endif
break;
case MSG_FLIST_EOF:
if (len != 0 || !am_generator || !inc_recurse)
goto invalid_msg;
flist_eof = 1;
break;
+ case MSG_IO_ERROR:
+ if (len != 4)
+ goto invalid_msg;
+ readfd(fd, buf, len);
+ io_error |= IVAL(buf, 0);
+ break;
case MSG_DELETED:
if (len >= (int)sizeof buf || !am_generator)
goto invalid_msg;
case MSG_SUCCESS:
if (len != 4 || !am_generator)
goto invalid_msg;
- readfd(fd, buf, len);
- if (remove_source_files) {
- decrement_active_files(IVAL(buf,0));
- send_msg(MSG_SUCCESS, buf, len, 0);
- }
- if (preserve_hard_links)
- flist_ndx_push(&hlink_list, IVAL(buf,0));
- if (inc_recurse)
- decrement_flist_in_progress(IVAL(buf,0), 0);
+ readfd(fd, buf, 4);
+ got_flist_entry_status(FES_SUCCESS, buf);
break;
case MSG_NO_SEND:
if (len != 4 || !am_generator)
goto invalid_msg;
- readfd(fd, buf, len);
- if (inc_recurse)
- decrement_flist_in_progress(IVAL(buf,0), 0);
+ readfd(fd, buf, 4);
+ got_flist_entry_status(FES_NO_SEND, buf);
break;
- case MSG_SOCKERR:
+ case MSG_ERROR_SOCKET:
+ case MSG_ERROR_UTF8:
case MSG_CLIENT:
if (!am_generator)
goto invalid_msg;
- if (tag == MSG_SOCKERR)
+ if (tag == MSG_ERROR_SOCKET)
io_end_multiplex_out();
/* FALL THROUGH */
case MSG_INFO:
case MSG_ERROR:
+ case MSG_ERROR_XFER:
+ case MSG_WARNING:
case MSG_LOG:
while (len) {
n = len;
no_flush--;
msg_fd_in = fd;
- if (!--defer_forwarding_messages)
+ if (!--defer_forwarding_messages && !no_flush)
msg_flush();
}
* this, sender-side deletions were mostly happening at the end. */
void increment_active_files(int ndx, int itemizing, enum logcode code)
{
- /* TODO: tune these limits? */
- while (active_filecnt >= (active_bytecnt >= 128*1024 ? 10 : 50)) {
+ while (1) {
+ /* TODO: tune these limits? */
+ int limit = active_bytecnt >= 128*1024 ? 10 : 50;
+ if (active_filecnt < limit)
+ break;
check_for_finished_files(itemizing, code, 0);
+ if (active_filecnt < limit)
+ break;
if (iobuf_out_cnt)
io_flush(NORMAL_FLUSH);
else
active_bytecnt += F_LENGTH(cur_flist->files[ndx - cur_flist->ndx_start]);
}
-static void decrement_active_files(int ndx)
-{
- struct file_list *flist = flist_for_ndx(ndx);
- assert(flist != NULL);
- active_filecnt--;
- active_bytecnt -= F_LENGTH(flist->files[ndx - flist->ndx_start]);
-}
-
-static void decrement_flist_in_progress(int ndx, int redo)
-{
- struct file_list *flist = cur_flist ? cur_flist : first_flist;
-
- while (ndx < flist->ndx_start) {
- if (flist == first_flist) {
- invalid_ndx:
- rprintf(FERROR,
- "Invalid file index: %d (%d - %d) [%s]\n",
- ndx, first_flist->ndx_start,
- first_flist->prev->ndx_start + first_flist->prev->used - 1,
- who_am_i());
- exit_cleanup(RERR_PROTOCOL);
- }
- flist = flist->prev;
- }
- while (ndx >= flist->ndx_start + flist->used) {
- if (!(flist = flist->next))
- goto invalid_ndx;
- }
-
- flist->in_progress--;
- if (redo)
- flist->to_redo++;
-}
-
/* Write an message to a multiplexed stream. If this fails, rsync exits. */
static void mplex_write(int fd, enum msgcode code, const char *buf, size_t len, int convert)
{
char buffer[BIGPATHBUFLEN]; /* Oversized for use by iconv code. */
size_t n = len;
- SIVAL(buffer, 0, ((MPLEX_BASE + (int)code)<<24) + len);
-
#ifdef ICONV_OPTION
- if (convert && ic_send == (iconv_t)-1)
-#endif
- convert = 0;
+ /* We need to convert buf before doing anything else so that we
+ * can include the (converted) byte length in the message header. */
+ if (convert && ic_send != (iconv_t)-1) {
+ xbuf outbuf, inbuf;
+
+ INIT_XBUF(outbuf, buffer + 4, 0, sizeof buffer - 4);
+ INIT_XBUF(inbuf, (char*)buf, len, -1);
+
+ iconvbufs(ic_send, &inbuf, &outbuf,
+ ICB_INCLUDE_BAD | ICB_INCLUDE_INCOMPLETE);
+ if (inbuf.len > 0) {
+ rprintf(FERROR, "overflowed conversion buffer in mplex_write");
+ exit_cleanup(RERR_UNSUPPORTED);
+ }
- if (convert || n > 1024 - 4) /* BIGPATHBUFLEN can handle 1024 bytes */
- n = 0;
+ n = len = outbuf.len;
+ } else
+#endif
+ if (n > 1024 - 4) /* BIGPATHBUFLEN can handle 1024 bytes */
+ n = 0; /* We'd rather do 2 writes than too much memcpy(). */
else
memcpy(buffer + 4, buf, n);
+ SIVAL(buffer, 0, ((MPLEX_BASE + (int)code)<<24) + len);
+
+ keep_defer_forwarding++; /* defer_forwarding_messages++ on return */
writefd_unbuffered(fd, buffer, n+4);
+ keep_defer_forwarding--;
- len -= n;
- buf += n;
+ if (len > n)
+ writefd_unbuffered(fd, buf+n, len-n);
-#ifdef ICONV_OPTION
- if (convert) {
- iconv(ic_send, NULL, 0, NULL, 0);
- 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);
- }
- if (!--defer_forwarding_messages)
- msg_flush();
- } else
-#endif
- if (len) {
- defer_forwarding_messages++;
- writefd_unbuffered(fd, buf, len);
- if (!--defer_forwarding_messages)
- msg_flush();
- }
+ if (!--defer_forwarding_messages && !no_flush)
+ msg_flush();
}
int send_msg(enum msgcode code, const char *buf, int len, int convert)
void wait_for_receiver(void)
{
- if (iobuf_out_cnt)
- io_flush(NORMAL_FLUSH);
- else
- read_msg_fd();
+ if (io_flush(NORMAL_FLUSH))
+ return;
+ read_msg_fd();
}
int get_redo_num(void)
* 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);
+#ifdef ICONV_OPTION
+ xbuf *ibuf = filesfrom_convert ? &iconv_buf : &ff_buf;
+#else
+ xbuf *ibuf = &ff_buf;
+#endif
+ 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 {
+#ifdef ICONV_OPTION
+ 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;
+ }
+#endif
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;
}
}
}
/* Don't write errors on a dead socket. */
if (fd == sock_f_in) {
io_end_multiplex_out();
- rsyserr(FSOCKERR, errno, "read error");
+ rsyserr(FERROR_SOCKET, errno, "read error");
} else
rsyserr(FERROR, errno, "read error");
exit_cleanup(RERR_STREAMIO);
return cnt;
}
-/* Read a line into the "fname" buffer (which must be at least MAXPATHLEN
- * characters long). */
-int read_filesfrom_line(int fd, char *fname)
+/* Read a line into the "buf" buffer. */
+int read_line(int fd, char *buf, size_t bufsiz, int flags)
{
- char ch, *s, *eob = fname + MAXPATHLEN - 1;
+ char ch, *s, *eob;
int cnt;
- int reading_remotely = filesfrom_host != NULL;
- int nulls = eol_nulls || reading_remotely;
+
+#ifdef ICONV_OPTION
+ if (flags & RL_CONVERT && iconv_buf.size < bufsiz)
+ realloc_xbuf(&iconv_buf, bufsiz + 1024);
+#endif
start:
- s = fname;
+#ifdef ICONV_OPTION
+ s = flags & RL_CONVERT ? iconv_buf.buf : buf;
+#else
+ s = buf;
+#endif
+ eob = s + bufsiz - 1;
while (1) {
cnt = read(fd, &ch, 1);
if (cnt < 0 && (errno == EWOULDBLOCK
tv.tv_usec = 0;
if (!select(fd+1, &r_fds, NULL, &e_fds, &tv))
check_timeout();
- if (FD_ISSET(fd, &e_fds)) {
- rsyserr(FINFO, errno,
- "select exception on fd %d", fd);
- }
+ /*if (FD_ISSET(fd, &e_fds))
+ rprintf(FINFO, "select exception on fd %d\n", fd); */
continue;
}
if (cnt != 1)
break;
- if (nulls? !ch : (ch == '\r' || ch == '\n')) {
- /* Skip empty lines if reading locally. */
- if (!reading_remotely && s == fname)
+ if (flags & RL_EOL_NULLS ? ch == '\0' : (ch == '\r' || ch == '\n')) {
+ /* Skip empty lines if dumping comments. */
+ if (flags & RL_DUMP_COMMENTS && s == buf)
continue;
break;
}
}
*s = '\0';
- /* Dump comments. */
- if (*fname == '#' || *fname == ';')
+ if (flags & RL_DUMP_COMMENTS && (*buf == '#' || *buf == ';'))
goto start;
- return s - fname;
+#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;
+}
+
+void read_args(int f_in, char *mod_name, char *buf, size_t bufsiz, int rl_nulls,
+ char ***argv_p, int *argc_p, char **request_p)
+{
+ int maxargs = MAX_ARGS;
+ int dot_pos = 0;
+ int argc = 0;
+ char **argv, *p;
+ int rl_flags = (rl_nulls ? RL_EOL_NULLS : 0);
+
+#ifdef ICONV_OPTION
+ rl_flags |= (protect_args && ic_recv != (iconv_t)-1 ? RL_CONVERT : 0);
+#endif
+
+ if (!(argv = new_array(char *, maxargs)))
+ out_of_memory("read_args");
+ if (mod_name && !protect_args)
+ argv[argc++] = "rsyncd";
+
+ while (1) {
+ if (read_line(f_in, buf, bufsiz, rl_flags) == 0)
+ break;
+
+ if (argc == maxargs-1) {
+ maxargs += MAX_ARGS;
+ if (!(argv = realloc_array(argv, char *, maxargs)))
+ out_of_memory("read_args");
+ }
+
+ if (dot_pos) {
+ if (request_p) {
+ *request_p = strdup(buf);
+ request_p = NULL;
+ }
+ if (mod_name)
+ glob_expand_module(mod_name, buf, &argv, &argc, &maxargs);
+ else
+ glob_expand(buf, &argv, &argc, &maxargs);
+ } else {
+ if (!(p = strdup(buf)))
+ out_of_memory("read_args");
+ argv[argc++] = p;
+ if (*p == '.' && p[1] == '\0')
+ dot_pos = argc;
+ }
+ }
+ argv[argc] = NULL;
+
+ glob_expand(NULL, NULL, NULL, NULL);
+
+ *argc_p = argc;
+ *argv_p = argv;
}
int io_start_buffering_out(int f_out)
if (msg_bytes != 4)
goto invalid_msg;
read_loop(fd, line, msg_bytes);
+ send_msg_int(MSG_IO_ERROR, IVAL(line, 0));
io_error |= IVAL(line, 0);
break;
case MSG_DELETED:
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);
+ INIT_XBUF(inbuf, ibuf, 0, -1);
+
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)
- *obuf++ = '\0';
- msg_bytes = obuf - line;
+ if (add_null) {
+ if (outbuf.len == outbuf.size)
+ goto overflow;
+ outbuf.buf[outbuf.len++] = '\0';
+ }
+ msg_bytes = outbuf.len;
} else
#endif
read_loop(fd, line, msg_bytes);
break;
case MSG_INFO:
case MSG_ERROR:
+ case MSG_ERROR_XFER:
+ case MSG_WARNING:
if (msg_bytes >= sizeof line) {
overflow:
rprintf(FERROR,
}
read_loop(fd, line, msg_bytes);
rwrite((enum logcode)tag, line, msg_bytes, 1);
+ if (first_message) {
+ if (list_only && !am_sender && tag == 1) {
+ line[msg_bytes] = '\0';
+ check_for_d_option_error(line);
+ }
+ first_message = 0;
+ }
break;
default:
rprintf(FERROR, "unexpected tag %d [%s]\n",
* called by both the sender and the receiver. */
void read_sum_head(int f, struct sum_struct *sum)
{
+ int32 max_blength = protocol_version < 30 ? OLD_MAX_BLOCK_SIZE : MAX_BLOCK_SIZE;
sum->count = read_int(f);
if (sum->count < 0) {
rprintf(FERROR, "Invalid checksum count %ld [%s]\n",
exit_cleanup(RERR_PROTOCOL);
}
sum->blength = read_int(f);
- if (sum->blength < 0 || sum->blength > MAX_BLOCK_SIZE) {
+ if (sum->blength < 0 || sum->blength > max_blength) {
rprintf(FERROR, "Invalid block length %ld [%s]\n",
(long)sum->blength, who_am_i());
exit_cleanup(RERR_PROTOCOL);
total_written = (sleep_usec - elapsed_usec) * bwlimit / (ONE_SEC/1024);
}
+static const char *what_fd_is(int fd)
+{
+ static char buf[20];
+
+ if (fd == sock_f_out)
+ return "socket";
+ else if (fd == msg_fd_out)
+ return "message fd";
+ else if (fd == batch_fd)
+ return "batch file";
+ else {
+ snprintf(buf, sizeof buf, "fd %d", fd);
+ return buf;
+ }
+}
+
/* Write len bytes to the file descriptor fd, looping as necessary to get
* the job done and also (in certain circumstances) reading any data on
* msg_fd_in to avoid deadlock.
continue;
}
- if (FD_ISSET(fd, &e_fds)) {
- rsyserr(FINFO, errno,
- "select exception on fd %d", fd);
- }
+ /*if (FD_ISSET(fd, &e_fds))
+ rprintf(FINFO, "select exception on fd %d\n", fd); */
if (using_r_fds && FD_ISSET(msg_fd_in, &r_fds))
read_msg_fd();
if (am_server && fd == msg_fd_out)
exit_cleanup(RERR_STREAMIO);
rsyserr(FERROR, errno,
- "writefd_unbuffered failed to write %ld bytes [%s]",
- (long)len, who_am_i());
+ "writefd_unbuffered failed to write %ld bytes to %s [%s]",
+ (long)len, what_fd_is(fd), who_am_i());
/* If the other side is sending us error messages, try
* to grab any messages they sent before they died. */
- while (fd == sock_f_out && io_multiplexing_in) {
+ 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);
}
}
no_flush--;
- if (!(defer_forwarding_messages -= defer_inc))
+ if (keep_defer_forwarding)
+ defer_inc--;
+ if (!(defer_forwarding_messages -= defer_inc) && !no_flush)
msg_flush();
}
-void io_flush(int flush_it_all)
+int io_flush(int flush_it_all)
{
- if (!iobuf_out_cnt || no_flush)
- return;
+ int flushed_something = 0;
- if (io_multiplexing_out)
- mplex_write(sock_f_out, MSG_DATA, iobuf_out, iobuf_out_cnt, 0);
- else
- writefd_unbuffered(iobuf_f_out, iobuf_out, iobuf_out_cnt);
- iobuf_out_cnt = 0;
+ if (no_flush)
+ return 0;
- if (flush_it_all && !defer_forwarding_messages)
+ if (iobuf_out_cnt) {
+ if (io_multiplexing_out)
+ mplex_write(sock_f_out, MSG_DATA, iobuf_out, iobuf_out_cnt, 0);
+ else
+ writefd_unbuffered(iobuf_f_out, iobuf_out, iobuf_out_cnt);
+ iobuf_out_cnt = 0;
+ flushed_something = 1;
+ }
+
+ if (flush_it_all && !defer_forwarding_messages && msg_queue.head) {
msg_flush();
+ flushed_something = 1;
+ }
+
+ return flushed_something;
}
static void writefd(int fd, const char *buf, size_t len)
if (fd == sock_f_out)
stats.total_written += len;
- if (fd == write_batch_monitor_out) {
- if ((size_t)write(batch_fd, buf, len) != len)
- exit_cleanup(RERR_FILEIO);
- }
+ if (fd == write_batch_monitor_out)
+ writefd_unbuffered(batch_fd, buf, len);
if (!iobuf_out || fd != iobuf_f_out) {
writefd_unbuffered(fd, buf, len);
return num;
}
-/**
- * Read a line of up to @p maxlen characters into @p buf (not counting
- * the trailing null). Strips the (required) trailing newline and all
- * carriage returns.
- *
- * @return 1 for success; 0 for I/O error or truncation.
- **/
-int read_line(int f, char *buf, size_t maxlen)
+/* Read a line of up to bufsiz-1 characters into buf. Strips
+ * the (required) trailing newline and all carriage returns.
+ * Returns 1 for success; 0 for I/O error or truncation. */
+int read_line_old(int f, char *buf, size_t bufsiz)
{
- while (maxlen) {
+ bufsiz--; /* leave room for the null */
+ while (bufsiz > 0) {
buf[0] = 0;
read_buf(f, buf, 1);
if (buf[0] == 0)
break;
if (buf[0] != '\r') {
buf++;
- maxlen--;
+ bufsiz--;
}
}
*buf = '\0';
- return maxlen > 0;
+ return bufsiz > 0;
}
void io_printf(int fd, const char *format, ...)
* actual communication so far depends on whether a daemon
* is involved. */
write_int(batch_fd, protocol_version);
+ if (protocol_version >= 30)
+ write_byte(batch_fd, inc_recurse);
write_int(batch_fd, checksum_seed);
if (am_sender)
git.samba.org / rsync.git / blobdiff