-/* -*- c-file-style: "linux" -*-
-
- Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
- Copyright (C) Paul Mackerras 1996
- Copyright (C) 2001, 2002 by Martin Pool <mbp@samba.org>
-
- 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
- the Free Software Foundation; either version 2 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
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-*/
+/*
+ * The startup routines, including main(), for rsync.
+ *
+ * Copyright (C) 1996-2001 Andrew Tridgell <tridge@samba.org>
+ * Copyright (C) 1996 Paul Mackerras
+ * Copyright (C) 2001, 2002 Martin Pool <mbp@samba.org>
+ * Copyright (C) 2003-2008 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
+ * 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, visit the http://fsf.org website.
+ */
#include "rsync.h"
+#include "inums.h"
+#include "io.h"
#if defined CONFIG_LOCALE && defined HAVE_LOCALE_H
#include <locale.h>
#endif
-extern int verbose;
extern int dry_run;
extern int list_only;
extern int am_root;
extern int am_server;
extern int am_sender;
-extern int am_generator;
extern int am_daemon;
+extern int inc_recurse;
extern int blocking_io;
-extern int remove_sent_files;
-extern int daemon_over_rsh;
+extern int always_checksum;
+extern int remove_source_files;
+extern int output_needs_newline;
extern int need_messages_from_generator;
extern int kluge_around_eof;
-extern int do_stats;
-extern int log_got_error;
+extern int got_xfer_error;
+extern int msgs2stderr;
extern int module_id;
-extern int orig_umask;
extern int copy_links;
+extern int copy_dirlinks;
+extern int copy_unsafe_links;
extern int keep_dirlinks;
extern int preserve_hard_links;
extern int protocol_version;
+extern int file_total;
extern int recurse;
+extern int xfer_dirs;
+extern int protect_args;
extern int relative_paths;
+extern int sanitize_paths;
+extern int curr_dir_depth;
+extern int curr_dir_len;
+extern int module_id;
extern int rsync_port;
extern int whole_file;
extern int read_batch;
extern int write_batch;
extern int batch_fd;
-extern int batch_gen_fd;
extern int filesfrom_fd;
+extern int connect_timeout;
extern pid_t cleanup_child_pid;
+extern unsigned int module_dirlen;
extern struct stats stats;
+extern char *stdout_format;
+extern char *logfile_format;
extern char *filesfrom_host;
+extern char *partial_dir;
+extern char *dest_option;
extern char *rsync_path;
extern char *shell_cmd;
extern char *batch_name;
-
+extern char *password_file;
+extern char curr_dir[MAXPATHLEN];
+extern char *basis_dir[MAX_BASIS_DIRS+1];
+extern struct file_list *first_flist;
+extern struct filter_list_struct daemon_filter_list;
+
+uid_t our_uid;
+int am_generator = 0;
int local_server = 0;
-struct file_list *the_file_list;
+int daemon_over_rsh = 0;
+mode_t orig_umask = 0;
+int batch_gen_fd = -1;
+int sender_keeps_checksum = 0;
/* There's probably never more than at most 2 outstanding child processes,
* but set it higher, just in case. */
#define MAXCHILDPROCS 7
+#ifdef HAVE_SIGACTION
+# ifdef HAVE_SIGPROCMASK
+# define SIGACTMASK(n,h) SIGACTION(n,h), sigaddset(&sigmask,(n))
+# else
+# define SIGACTMASK(n,h) SIGACTION(n,h)
+# endif
+static struct sigaction sigact;
+#endif
+
struct pid_status {
pid_t pid;
int status;
static void show_malloc_stats(void);
/* Works like waitpid(), but if we already harvested the child pid in our
- * sigchld_handler(), we succeed instead of returning an error. */
+ * remember_children(), we succeed instead of returning an error. */
pid_t wait_process(pid_t pid, int *status_ptr, int flags)
{
- pid_t waited_pid = waitpid(pid, status_ptr, flags);
+ pid_t waited_pid;
+
+ do {
+ waited_pid = waitpid(pid, status_ptr, flags);
+ } while (waited_pid == -1 && errno == EINTR);
if (waited_pid == -1 && errno == ECHILD) {
/* Status of requested child no longer available: check to
- * see if it was processed by sigchld_handler(). */
+ * see if it was processed by remember_children(). */
int cnt;
for (cnt = 0; cnt < MAXCHILDPROCS; cnt++) {
if (pid == pid_stat_table[cnt].pid) {
total_read = stats.total_read;
total_written = stats.total_written;
- if (do_stats && verbose > 1) {
+ if (INFO_GTE(STATS, 3)) {
/* These come out from every process */
show_malloc_stats();
show_flist_stats();
return;
if (am_daemon) {
- log_exit(0, __FILE__, __LINE__);
if (f == -1 || !am_sender)
return;
}
if (am_server) {
if (am_sender) {
- write_longint(f, total_read);
- write_longint(f, total_written);
- write_longint(f, stats.total_size);
+ write_varlong30(f, total_read, 3);
+ write_varlong30(f, total_written, 3);
+ write_varlong30(f, stats.total_size, 3);
if (protocol_version >= 29) {
- write_longint(f, stats.flist_buildtime);
- write_longint(f, stats.flist_xfertime);
+ write_varlong30(f, stats.flist_buildtime, 3);
+ write_varlong30(f, stats.flist_xfertime, 3);
}
}
return;
/* this is the client */
if (f < 0 && !am_sender) /* e.g. when we got an empty file list. */
- ;
+ ;
else if (!am_sender) {
/* Read the first two in opposite order because the meaning of
* read/write swaps when switching from sender to receiver. */
- total_written = read_longint(f);
- total_read = read_longint(f);
- stats.total_size = read_longint(f);
+ total_written = read_varlong30(f, 3);
+ total_read = read_varlong30(f, 3);
+ stats.total_size = read_varlong30(f, 3);
if (protocol_version >= 29) {
- stats.flist_buildtime = read_longint(f);
- stats.flist_xfertime = read_longint(f);
+ stats.flist_buildtime = read_varlong30(f, 3);
+ stats.flist_xfertime = read_varlong30(f, 3);
}
} else if (write_batch) {
/* The --read-batch process is going to be a client
* receiver, so we need to give it the stats. */
- write_longint(batch_fd, total_read);
- write_longint(batch_fd, total_written);
- write_longint(batch_fd, stats.total_size);
+ write_varlong30(batch_fd, total_read, 3);
+ write_varlong30(batch_fd, total_written, 3);
+ write_varlong30(batch_fd, stats.total_size, 3);
if (protocol_version >= 29) {
- write_longint(batch_fd, stats.flist_buildtime);
- write_longint(batch_fd, stats.flist_xfertime);
+ write_varlong30(batch_fd, stats.flist_buildtime, 3);
+ write_varlong30(batch_fd, stats.flist_xfertime, 3);
}
}
}
static void output_summary(void)
{
- if (do_stats) {
- rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
- rprintf(FINFO,"Number of files transferred: %d\n",
- stats.num_transferred_files);
+ if (INFO_GTE(STATS, 2)) {
+ rprintf(FCLIENT, "\n");
+ rprintf(FINFO,"Number of files: %s\n", comma_num(stats.num_files));
+ rprintf(FINFO,"Number of files transferred: %s\n",
+ comma_num(stats.num_transferred_files));
rprintf(FINFO,"Total file size: %s bytes\n",
human_num(stats.total_size));
rprintf(FINFO,"Total transferred file size: %s bytes\n",
human_num(stats.literal_data));
rprintf(FINFO,"Matched data: %s bytes\n",
human_num(stats.matched_data));
- rprintf(FINFO,"File list size: %d\n", stats.flist_size);
+ rprintf(FINFO,"File list size: %s\n",
+ human_num(stats.flist_size));
if (stats.flist_buildtime) {
rprintf(FINFO,
- "File list generation time: %.3f seconds\n",
- (double)stats.flist_buildtime / 1000);
+ "File list generation time: %s seconds\n",
+ comma_dnum((double)stats.flist_buildtime / 1000, 3));
rprintf(FINFO,
- "File list transfer time: %.3f seconds\n",
- (double)stats.flist_xfertime / 1000);
+ "File list transfer time: %s seconds\n",
+ comma_dnum((double)stats.flist_xfertime / 1000, 3));
}
rprintf(FINFO,"Total bytes sent: %s\n",
human_num(total_written));
human_num(total_read));
}
- if (verbose || do_stats) {
+ if (INFO_GTE(STATS, 1)) {
+ rprintf(FCLIENT, "\n");
rprintf(FINFO,
- "\nsent %s bytes received %s bytes %s bytes/sec\n",
+ "sent %s bytes received %s bytes %s bytes/sec\n",
human_num(total_written), human_num(total_read),
human_dnum((total_written + total_read)/(0.5 + (endtime - starttime)), 2));
- rprintf(FINFO, "total size is %s speedup is %.2f\n",
+ rprintf(FINFO, "total size is %s speedup is %s%s\n",
human_num(stats.total_size),
- (double)stats.total_size / (total_written+total_read));
+ comma_dnum((double)stats.total_size / (total_written+total_read), 2),
+ write_batch < 0 ? " (BATCH ONLY)" : dry_run ? " (DRY RUN)" : "");
}
fflush(stdout);
mi = mallinfo();
- rprintf(FINFO, "\n" RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n",
+ rprintf(FCLIENT, "\n");
+ rprintf(FINFO, RSYNC_NAME "[%d] (%s%s%s) heap statistics:\n",
getpid(), am_server ? "server " : "",
am_daemon ? "daemon " : "", who_am_i());
rprintf(FINFO, " arena: %10ld (bytes from sbrk)\n",
/* Start the remote shell. cmd may be NULL to use the default. */
-static pid_t do_cmd(char *cmd, char *machine, char *user, char *path,
- int *f_in, int *f_out)
+static pid_t do_cmd(char *cmd, char *machine, char *user, char **remote_argv, int remote_argc,
+ int *f_in_p, int *f_out_p)
{
int i, argc = 0;
char *args[MAX_ARGS];
- pid_t ret;
- char *dir = NULL;
+ pid_t pid;
int dash_l_set = 0;
if (!read_batch && !local_server) {
cmd = rsh_env;
if (!cmd)
cmd = RSYNC_RSH;
- cmd = strdup(cmd);
+ cmd = strdup(cmd); /* MEMORY LEAK */
if (!cmd)
goto oom;
if (*f == ' ')
continue;
/* Comparison leaves rooms for server_options(). */
- if (argc >= MAX_ARGS - MAX_SERVER_ARGS) {
- rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
- exit_cleanup(RERR_SYNTAX);
- }
+ if (argc >= MAX_ARGS - MAX_SERVER_ARGS)
+ goto arg_overflow;
args[argc++] = t;
while (*f != ' ' || in_quote) {
if (!*f) {
server_options(args,&argc);
- if (argc >= MAX_ARGS - 2) {
- rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
- exit_cleanup(RERR_SYNTAX);
- }
+ if (argc >= MAX_ARGS - 2)
+ goto arg_overflow;
}
args[argc++] = ".";
- if (!daemon_over_rsh && path && *path)
- args[argc++] = path;
+ if (!daemon_over_rsh) {
+ while (remote_argc > 0) {
+ if (argc >= MAX_ARGS - 1) {
+ arg_overflow:
+ rprintf(FERROR, "internal: args[] overflowed in do_cmd()\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ args[argc++] = *remote_argv++;
+ remote_argc--;
+ }
+ }
args[argc] = NULL;
- if (verbose > 3) {
+ if (DEBUG_GTE(CMD, 2)) {
for (i = 0; i < argc; i++)
- rprintf(FINFO, "cmd[%d]=%s ", i, safe_fname(args[i]));
- rprintf(FINFO, "\n");
+ rprintf(FCLIENT, "cmd[%d]=%s ", i, args[i]);
+ rprintf(FCLIENT, "\n");
}
if (read_batch) {
int from_gen_pipe[2];
+ set_allow_inc_recurse();
if (fd_pair(from_gen_pipe) < 0) {
rsyserr(FERROR, errno, "pipe");
exit_cleanup(RERR_IPC);
}
batch_gen_fd = from_gen_pipe[0];
- *f_out = from_gen_pipe[1];
- *f_in = batch_fd;
- ret = -1; /* no child pid */
+ *f_out_p = from_gen_pipe[1];
+ *f_in_p = batch_fd;
+ pid = (pid_t)-1; /* no child pid */
+#ifdef ICONV_CONST
+ setup_iconv();
+#endif
} else if (local_server) {
/* If the user didn't request --[no-]whole-file, force
* it on, but only if we're not batch processing. */
if (whole_file < 0 && !write_batch)
whole_file = 1;
- ret = local_child(argc, args, f_in, f_out, child_main);
- } else
- ret = piped_child(args,f_in,f_out);
-
- if (dir)
- free(dir);
+ set_allow_inc_recurse();
+ pid = local_child(argc, args, f_in_p, f_out_p, child_main);
+#ifdef ICONV_CONST
+ setup_iconv();
+#endif
+ } else {
+ pid = piped_child(args, f_in_p, f_out_p);
+#ifdef ICONV_CONST
+ setup_iconv();
+#endif
+ if (protect_args)
+ send_protected_args(*f_out_p, args);
+ }
- return ret;
+ return pid;
oom:
out_of_memory("do_cmd");
return 0; /* not reached */
}
-
-static char *get_local_name(struct file_list *flist,char *name)
+/* The receiving side operates in one of two modes:
+ *
+ * 1. it receives any number of files into a destination directory,
+ * placing them according to their names in the file-list.
+ *
+ * 2. it receives a single file and saves it using the name in the
+ * destination path instead of its file-list name. This requires a
+ * "local name" for writing out the destination file.
+ *
+ * So, our task is to figure out what mode/local-name we need.
+ * For mode 1, we change into the destination directory and return NULL.
+ * For mode 2, we change into the directory containing the destination
+ * file (if we aren't already there) and return the local-name. */
+static char *get_local_name(struct file_list *flist, char *dest_path)
{
STRUCT_STAT st;
- int e;
+ int statret;
+ char *cp;
- if (verbose > 2)
- rprintf(FINFO,"get_local_name count=%d %s\n",
- flist->count, NS(name));
+ if (DEBUG_GTE(RECV, 1)) {
+ rprintf(FINFO, "get_local_name count=%d %s\n",
+ file_total, NS(dest_path));
+ }
- if (!name)
+ if (!dest_path || list_only)
return NULL;
- if (do_stat(name,&st) == 0) {
+ if (daemon_filter_list.head) {
+ char *slash = strrchr(dest_path, '/');
+ if (slash && (slash[1] == '\0' || (slash[1] == '.' && slash[2] == '\0')))
+ *slash = '\0';
+ else
+ slash = NULL;
+ if ((*dest_path != '.' || dest_path[1] != '\0')
+ && (check_filter(&daemon_filter_list, FLOG, dest_path, 0) < 0
+ || check_filter(&daemon_filter_list, FLOG, dest_path, 1) < 0)) {
+ rprintf(FERROR, "skipping daemon-excluded destination \"%s\"\n",
+ dest_path);
+ exit_cleanup(RERR_FILESELECT);
+ }
+ if (slash)
+ *slash = '/';
+ }
+
+ /* See what currently exists at the destination. */
+ if ((statret = do_stat(dest_path, &st)) == 0) {
+ /* If the destination is a dir, enter it and use mode 1. */
if (S_ISDIR(st.st_mode)) {
- if (!push_dir(name)) {
- rsyserr(FERROR, errno, "push_dir#1 %s failed",
- full_fname(name));
+ if (!change_dir(dest_path, CD_NORMAL)) {
+ rsyserr(FERROR, errno, "change_dir#1 %s failed",
+ full_fname(dest_path));
exit_cleanup(RERR_FILESELECT);
}
return NULL;
}
- if (flist->count > 1) {
- rprintf(FERROR,"ERROR: destination must be a directory when copying more than 1 file\n");
+ if (file_total > 1) {
+ rprintf(FERROR,
+ "ERROR: destination must be a directory when"
+ " copying more than 1 file\n");
+ exit_cleanup(RERR_FILESELECT);
+ }
+ if (file_total == 1 && S_ISDIR(flist->files[0]->mode)) {
+ rprintf(FERROR,
+ "ERROR: cannot overwrite non-directory"
+ " with a directory\n");
exit_cleanup(RERR_FILESELECT);
}
- return name;
+ } else if (errno != ENOENT) {
+ /* If we don't know what's at the destination, fail. */
+ rsyserr(FERROR, errno, "ERROR: cannot stat destination %s",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILESELECT);
}
- if (flist->count <= 1 && ((e = strlen(name)) <= 1 || name[e-1] != '/'))
- return name;
+ cp = strrchr(dest_path, '/');
- if (do_mkdir(name,0777 & ~orig_umask) != 0) {
- rsyserr(FERROR, errno, "mkdir %s failed", full_fname(name));
- exit_cleanup(RERR_FILEIO);
- }
- if (verbose > 0)
- rprintf(FINFO, "created directory %s\n", safe_fname(name));
+ /* If we need a destination directory because the transfer is not
+ * of a single non-directory or the user has requested one via a
+ * destination path ending in a slash, create one and use mode 1. */
+ if (file_total > 1 || (cp && !cp[1])) {
+ /* Lop off the final slash (if any). */
+ if (cp && !cp[1])
+ *cp = '\0';
+
+ if (statret == 0) {
+ rprintf(FERROR,
+ "ERROR: destination path is not a directory\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (mkdir_defmode(dest_path) != 0) {
+ rsyserr(FERROR, errno, "mkdir %s failed",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILEIO);
+ }
+
+ if (flist->high >= flist->low
+ && strcmp(flist->files[flist->low]->basename, ".") == 0)
+ flist->files[0]->flags |= FLAG_DIR_CREATED;
+
+ if (INFO_GTE(NAME, 1))
+ rprintf(FINFO, "created directory %s\n", dest_path);
+
+ if (dry_run) {
+ /* Indicate that dest dir doesn't really exist. */
+ dry_run++;
+ }
+
+ if (!change_dir(dest_path, dry_run > 1 ? CD_SKIP_CHDIR : CD_NORMAL)) {
+ rsyserr(FERROR, errno, "change_dir#2 %s failed",
+ full_fname(dest_path));
+ exit_cleanup(RERR_FILESELECT);
+ }
- if (dry_run) {
- dry_run++;
return NULL;
}
- if (!push_dir(name)) {
- rsyserr(FERROR, errno, "push_dir#2 %s failed",
- full_fname(name));
+ /* Otherwise, we are writing a single file, possibly on top of an
+ * existing non-directory. Change to the item's parent directory
+ * (if it has a path component), return the basename of the
+ * destination file as the local name, and use mode 2. */
+ if (!cp)
+ return dest_path;
+
+ if (cp == dest_path)
+ dest_path = "/";
+
+ *cp = '\0';
+ if (!change_dir(dest_path, CD_NORMAL)) {
+ rsyserr(FERROR, errno, "change_dir#3 %s failed",
+ full_fname(dest_path));
exit_cleanup(RERR_FILESELECT);
}
+ *cp = '/';
- return NULL;
+ return cp + 1;
}
+/* This function checks on our alternate-basis directories. If we're in
+ * dry-run mode and the destination dir does not yet exist, we'll try to
+ * tweak any dest-relative paths to make them work for a dry-run (the
+ * destination dir must be in curr_dir[] when this function is called).
+ * We also warn about any arg that is non-existent or not a directory. */
+static void check_alt_basis_dirs(void)
+{
+ STRUCT_STAT st;
+ char **dir_p, *slash = strrchr(curr_dir, '/');
+
+ for (dir_p = basis_dir; *dir_p; dir_p++) {
+ if (dry_run > 1 && **dir_p != '/') {
+ int len = curr_dir_len + 1 + strlen(*dir_p) + 1;
+ char *new = new_array(char, len);
+ if (!new)
+ out_of_memory("check_alt_basis_dirs");
+ if (slash && strncmp(*dir_p, "../", 3) == 0) {
+ /* We want to remove only one leading "../" prefix for
+ * the directory we couldn't create in dry-run mode:
+ * this ensures that any other ".." references get
+ * evaluated the same as they would for a live copy. */
+ *slash = '\0';
+ pathjoin(new, len, curr_dir, *dir_p + 3);
+ *slash = '/';
+ } else
+ pathjoin(new, len, curr_dir, *dir_p);
+ *dir_p = new;
+ }
+ if (do_stat(*dir_p, &st) < 0) {
+ rprintf(FWARNING, "%s arg does not exist: %s\n",
+ dest_option, *dir_p);
+ } else if (!S_ISDIR(st.st_mode)) {
+ rprintf(FWARNING, "%s arg is not a dir: %s\n",
+ dest_option, *dir_p);
+ }
+ }
+}
/* This is only called by the sender. */
-static void read_final_goodbye(int f_in, int f_out)
+static void read_final_goodbye(int f_in)
{
- int i;
+ int i, iflags, xlen;
+ uchar fnamecmp_type;
+ char xname[MAXPATHLEN];
if (protocol_version < 29)
i = read_int(f_in);
else {
- while ((i = read_int(f_in)) == the_file_list->count
- && read_shortint(f_in) == ITEM_IS_NEW) {
- /* Forward the keep-alive (no-op) to the receiver. */
- write_int(f_out, the_file_list->count);
- write_shortint(f_out, ITEM_IS_NEW);
- }
+ i = read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
+ xname, &xlen);
}
- if (i != -1) {
+ if (i != NDX_DONE) {
rprintf(FERROR, "Invalid packet at end of run (%d) [%s]\n",
i, who_am_i());
exit_cleanup(RERR_PROTOCOL);
}
}
-
-static void do_server_sender(int f_in, int f_out, int argc,char *argv[])
+static void do_server_sender(int f_in, int f_out, int argc, char *argv[])
{
struct file_list *flist;
char *dir = argv[0];
- if (verbose > 2) {
+ if (DEBUG_GTE(SEND, 1)) {
rprintf(FINFO, "server_sender starting pid=%ld\n",
(long)getpid());
}
exit_cleanup(RERR_SYNTAX);
return;
}
- if (am_daemon && lp_read_only(module_id) && remove_sent_files) {
+ if (am_daemon && lp_read_only(module_id) && remove_source_files) {
rprintf(FERROR,
- "ERROR: --remove-sent-files cannot be used with a read-only module\n");
+ "ERROR: --remove-%s-files cannot be used with a read-only module\n",
+ remove_source_files == 1 ? "source" : "sent");
exit_cleanup(RERR_SYNTAX);
return;
}
- if (!relative_paths && !push_dir(dir)) {
- rsyserr(FERROR, errno, "push_dir#3 %s failed",
- full_fname(dir));
- exit_cleanup(RERR_FILESELECT);
+ if (!relative_paths) {
+ if (!change_dir(dir, CD_NORMAL)) {
+ rsyserr(FERROR, errno, "change_dir#3 %s failed",
+ full_fname(dir));
+ exit_cleanup(RERR_FILESELECT);
+ }
}
argc--;
argv++;
- if (argc == 0 && (recurse || list_only)) {
+ if (argc == 0 && (recurse || xfer_dirs || list_only)) {
argc = 1;
argv--;
argv[0] = ".";
}
flist = send_file_list(f_out,argc,argv);
- if (!flist || flist->count == 0) {
+ if (!flist || flist->used == 0)
exit_cleanup(0);
- }
- the_file_list = flist;
- io_start_buffering_in();
- io_start_buffering_out();
+ io_start_buffering_in(f_in);
- send_files(flist,f_out,f_in);
+ send_files(f_in, f_out);
io_flush(FULL_FLUSH);
handle_stats(f_out);
if (protocol_version >= 24)
- read_final_goodbye(f_in, f_out);
+ read_final_goodbye(f_in);
io_flush(FULL_FLUSH);
exit_cleanup(0);
}
-static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
+static int do_recv(int f_in, int f_out, char *local_name)
{
int pid;
int exit_code = 0;
/* The receiving side mustn't obey this, or an existing symlink that
* points to an identical file won't be replaced by the referent. */
- copy_links = 0;
+ copy_links = copy_dirlinks = copy_unsafe_links = 0;
- if (preserve_hard_links)
- init_hard_links();
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && !inc_recurse)
+ match_hard_links(first_flist);
+#endif
if (fd_pair(error_pipe) < 0) {
rsyserr(FERROR, errno, "pipe failed in do_recv");
close(f_out);
/* we can't let two processes write to the socket at one time */
- close_multiplexing_out();
+ io_end_multiplex_out();
/* set place to send errors */
set_msg_fd_out(error_pipe[1]);
+ io_start_buffering_out(error_pipe[1]);
- recv_files(f_in, flist, local_name);
+ recv_files(f_in, local_name);
io_flush(FULL_FLUSH);
handle_stats(f_in);
- send_msg(MSG_DONE, "", 0);
+ if (output_needs_newline) {
+ fputc('\n', stdout);
+ output_needs_newline = 0;
+ }
+
+ send_msg(MSG_DONE, "", 1, 0);
+ write_varlong(error_pipe[1], stats.total_read, 3);
io_flush(FULL_FLUSH);
/* Handle any keep-alive packets from the post-processing work
* that the generator does. */
if (protocol_version >= 29) {
+ int iflags, xlen;
+ uchar fnamecmp_type;
+ char xname[MAXPATHLEN];
+
kluge_around_eof = -1;
/* This should only get stopped via a USR2 signal. */
- while (read_int(f_in) == flist->count
- && read_shortint(f_in) == ITEM_IS_NEW) {}
+ read_ndx_and_attrs(f_in, &iflags, &fnamecmp_type,
+ xname, &xlen);
rprintf(FERROR, "Invalid packet at end of run [%s]\n",
who_am_i());
}
am_generator = 1;
- close_multiplexing_in();
+
+ io_end_multiplex_in();
if (write_batch && !am_server)
stop_write_batch();
if (f_in != f_out)
close(f_in);
- io_start_buffering_out();
+ io_start_buffering_out(f_out);
set_msg_fd_in(error_pipe[0]);
+ io_start_buffering_in(error_pipe[0]);
+
+#ifdef SUPPORT_HARD_LINKS
+ if (preserve_hard_links && inc_recurse) {
+ struct file_list *flist;
+ for (flist = first_flist; flist; flist = flist->next)
+ match_hard_links(flist);
+ }
+#endif
- generate_files(f_out, flist, local_name);
+ generate_files(f_out, local_name);
handle_stats(-1);
io_flush(FULL_FLUSH);
if (protocol_version >= 24) {
/* send a final goodbye message */
- write_int(f_out, -1);
+ write_ndx(f_out, NDX_DONE);
}
io_flush(FULL_FLUSH);
return exit_code;
}
-
-static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
+static void do_server_recv(int f_in, int f_out, int argc, char *argv[])
{
int exit_code;
struct file_list *flist;
char *local_name = NULL;
- char *dir = NULL;
- int save_verbose = verbose;
+ int negated_levels;
- if (filesfrom_fd >= 0) {
+ if (filesfrom_fd >= 0 && !msgs2stderr) {
/* We can't mix messages with files-from data on the socket,
- * so temporarily turn off verbose messages. */
- verbose = 0;
- }
+ * so temporarily turn off info/debug messages. */
+ negate_output_levels();
+ negated_levels = 1;
+ } else
+ negated_levels = 0;
- if (verbose > 2) {
+ if (DEBUG_GTE(RECV, 1)) {
rprintf(FINFO, "server_recv(%d) starting pid=%ld\n",
argc, (long)getpid());
}
}
if (argc > 0) {
- dir = argv[0];
+ char *dir = argv[0];
argc--;
argv++;
- if (!am_daemon && !push_dir(dir)) {
- rsyserr(FERROR, errno, "push_dir#4 %s failed",
+ if (!am_daemon && !change_dir(dir, CD_NORMAL)) {
+ rsyserr(FERROR, errno, "change_dir#4 %s failed",
full_fname(dir));
exit_cleanup(RERR_FILESELECT);
}
}
- io_start_buffering_in();
+ if (protocol_version >= 30)
+ io_start_multiplex_in();
+ else
+ io_start_buffering_in(f_in);
recv_filter_list(f_in);
if (filesfrom_fd >= 0) {
}
flist = recv_file_list(f_in);
- verbose = save_verbose;
if (!flist) {
rprintf(FERROR,"server_recv: recv_file_list error\n");
exit_cleanup(RERR_FILESELECT);
}
- the_file_list = flist;
+ if (inc_recurse && file_total == 1)
+ recv_additional_file_list(f_in);
+
+ if (negated_levels)
+ negate_output_levels();
if (argc > 0)
local_name = get_local_name(flist,argv[0]);
- exit_code = do_recv(f_in,f_out,flist,local_name);
+ /* Now that we know what our destination directory turned out to be,
+ * we can sanitize the --link-/copy-/compare-dest args correctly. */
+ if (sanitize_paths) {
+ char **dir_p;
+ for (dir_p = basis_dir; *dir_p; dir_p++)
+ *dir_p = sanitize_path(NULL, *dir_p, NULL, curr_dir_depth, SP_DEFAULT);
+ if (partial_dir)
+ partial_dir = sanitize_path(NULL, partial_dir, NULL, curr_dir_depth, SP_DEFAULT);
+ }
+ check_alt_basis_dirs();
+
+ if (daemon_filter_list.head) {
+ char **dir_p;
+ struct filter_list_struct *elp = &daemon_filter_list;
+
+ for (dir_p = basis_dir; *dir_p; dir_p++) {
+ char *dir = *dir_p;
+ if (*dir == '/')
+ dir += module_dirlen;
+ if (check_filter(elp, FLOG, dir, 1) < 0)
+ goto options_rejected;
+ }
+ if (partial_dir && *partial_dir == '/'
+ && check_filter(elp, FLOG, partial_dir + module_dirlen, 1) < 0) {
+ options_rejected:
+ rprintf(FERROR,
+ "Your options have been rejected by the server.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+
+ exit_code = do_recv(f_in, f_out, local_name);
exit_cleanup(exit_code);
}
keep_dirlinks = 0; /* Must be disabled on the sender. */
if (need_messages_from_generator)
io_start_multiplex_in();
-
recv_filter_list(f_in);
do_server_sender(f_in, f_out, argc, argv);
- } else {
+ } else
do_server_recv(f_in, f_out, argc, argv);
- }
exit_cleanup(0);
}
io_set_sock_fds(f_in, f_out);
setup_protocol(f_out,f_in);
- if (protocol_version >= 23 && !read_batch)
- io_start_multiplex_in();
-
/* We set our stderr file handle to blocking because ssh might have
* set it to non-blocking. This can be particularly troublesome if
* stderr is a clone of stdout, because ssh would have set our stdout
if (am_sender) {
keep_dirlinks = 0; /* Must be disabled on the sender. */
- io_start_buffering_out();
+
+ if (always_checksum
+ && (log_format_has(stdout_format, 'C')
+ || log_format_has(logfile_format, 'C')))
+ sender_keeps_checksum = 1;
+
+ if (protocol_version >= 30)
+ io_start_multiplex_out();
+ else
+ io_start_buffering_out(f_out);
if (!filesfrom_host)
set_msg_fd_in(f_in);
send_filter_list(f_out);
start_write_batch(f_out);
flist = send_file_list(f_out, argc, argv);
set_msg_fd_in(-1);
- if (verbose > 3)
+ if (DEBUG_GTE(FLIST, 3))
rprintf(FINFO,"file list sent\n");
- the_file_list = flist;
+
+ if (protocol_version >= 23)
+ io_start_multiplex_in();
io_flush(NORMAL_FLUSH);
- send_files(flist,f_out,f_in);
+ send_files(f_in, f_out);
io_flush(FULL_FLUSH);
handle_stats(-1);
if (protocol_version >= 24)
- read_final_goodbye(f_in, f_out);
+ read_final_goodbye(f_in);
if (pid != -1) {
- if (verbose > 3)
+ if (DEBUG_GTE(EXIT, 2))
rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
io_flush(FULL_FLUSH);
wait_process_with_flush(pid, &exit_code);
exit_cleanup(exit_code);
}
- if (need_messages_from_generator && !read_batch)
- io_start_multiplex_out();
-
- if (argc == 0)
- list_only |= 1;
+ if (!read_batch) {
+ if (protocol_version >= 23)
+ io_start_multiplex_in();
+ if (need_messages_from_generator)
+ io_start_multiplex_out();
+ }
send_filter_list(read_batch ? -1 : f_out);
if (write_batch && !am_server)
start_write_batch(f_in);
flist = recv_file_list(f_in);
- the_file_list = flist;
+ if (inc_recurse && file_total == 1)
+ recv_additional_file_list(f_in);
- if (flist && flist->count > 0) {
+ if (flist && flist->used > 0) {
local_name = get_local_name(flist, argv[0]);
- exit_code2 = do_recv(f_in, f_out, flist, local_name);
+ check_alt_basis_dirs();
+
+ exit_code2 = do_recv(f_in, f_out, local_name);
} else {
handle_stats(-1);
output_summary();
}
if (pid != -1) {
- if (verbose > 3)
+ if (DEBUG_GTE(RECV, 1))
rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid);
io_flush(FULL_FLUSH);
wait_process_with_flush(pid, &exit_code);
return MAX(exit_code, exit_code2);
}
-static int copy_argv (char *argv[])
+static int copy_argv(char *argv[])
{
int i;
**/
static int start_client(int argc, char *argv[])
{
- char *p;
- char *shell_machine = NULL;
- char *shell_path = NULL;
- char *shell_user = NULL;
+ char *p, *shell_machine = NULL, *shell_user = NULL;
+ char **remote_argv;
+ int remote_argc;
+ int f_in, f_out;
int ret;
pid_t pid;
- int f_in,f_out;
- int rc;
/* Don't clobber argv[] so that ps(1) can still show the right
* command line. */
- if ((rc = copy_argv(argv)))
- return rc;
+ if ((ret = copy_argv(argv)) != 0)
+ return ret;
if (!read_batch) { /* for read_batch, NO source is specified */
- argc--;
- shell_path = check_for_hostspec(argv[0], &shell_machine, &rsync_port);
- if (shell_path) { /* source is remote */
- char *dummy1;
- int dummy2;
- if (argc && check_for_hostspec(argv[argc], &dummy1, &dummy2)) {
+ char *path = check_for_hostspec(argv[0], &shell_machine, &rsync_port);
+ if (path) { /* source is remote */
+ char *dummy_host;
+ int dummy_port = 0;
+ *argv = path;
+ remote_argv = argv;
+ remote_argc = argc;
+ argv += argc - 1;
+ if (argc == 1 || **argv == ':')
+ argc = 0; /* no dest arg */
+ else if (check_for_hostspec(*argv, &dummy_host, &dummy_port)) {
rprintf(FERROR,
"The source and destination cannot both be remote.\n");
exit_cleanup(RERR_SYNTAX);
+ } else {
+ remote_argc--; /* don't count dest */
+ argc = 1;
}
- argv++;
if (filesfrom_host && *filesfrom_host
&& strcmp(filesfrom_host, shell_machine) != 0) {
rprintf(FERROR,
"--files-from hostname is not the same as the transfer hostname\n");
exit_cleanup(RERR_SYNTAX);
}
- if (rsync_port) {
- if (!shell_cmd) {
- return start_socket_client(shell_machine,
- shell_path,
- argc, argv);
- }
- daemon_over_rsh = 1;
- }
-
am_sender = 0;
+ if (rsync_port)
+ daemon_over_rsh = shell_cmd ? 1 : -1;
} else { /* source is local, check dest arg */
am_sender = 1;
- if (argc < 1) { /* destination required */
- usage(FERROR);
- exit_cleanup(RERR_SYNTAX);
+ if (argc > 1) {
+ p = argv[--argc];
+ remote_argv = argv + argc;
+ } else {
+ static char *dotarg[1] = { "." };
+ p = dotarg[0];
+ remote_argv = dotarg;
}
+ remote_argc = 1;
- shell_path = check_for_hostspec(argv[argc], &shell_machine, &rsync_port);
- if (shell_path && filesfrom_host && *filesfrom_host
+ path = check_for_hostspec(p, &shell_machine, &rsync_port);
+ if (path && filesfrom_host && *filesfrom_host
&& strcmp(filesfrom_host, shell_machine) != 0) {
rprintf(FERROR,
"--files-from hostname is not the same as the transfer hostname\n");
exit_cleanup(RERR_SYNTAX);
}
- if (!shell_path) { /* no hostspec found, so src & dest are local */
+ if (!path) { /* no hostspec found, so src & dest are local */
local_server = 1;
if (filesfrom_host) {
rprintf(FERROR,
exit_cleanup(RERR_SYNTAX);
}
shell_machine = NULL;
- shell_path = argv[argc];
- } else if (rsync_port) {
- if (!shell_cmd) {
- return start_socket_client(shell_machine,
- shell_path,
- argc, argv);
- }
- daemon_over_rsh = 1;
+ } else { /* hostspec was found, so dest is remote */
+ argv[argc] = path;
+ if (rsync_port)
+ daemon_over_rsh = shell_cmd ? 1 : -1;
}
}
} else { /* read_batch */
local_server = 1;
- shell_path = argv[argc-1];
- if (check_for_hostspec(shell_path, &shell_machine, &rsync_port)) {
+ if (check_for_hostspec(argv[argc-1], &shell_machine, &rsync_port)) {
rprintf(FERROR, "remote destination is not allowed with --read-batch\n");
exit_cleanup(RERR_SYNTAX);
}
+ remote_argv = argv + argc - 1;
+ remote_argc = 1;
+ }
+
+ if (am_sender) {
+ char *dummy_host;
+ int dummy_port = rsync_port;
+ int i;
+ /* For local source, extra source args must not have hostspec. */
+ for (i = 1; i < argc; i++) {
+ if (check_for_hostspec(argv[i], &dummy_host, &dummy_port)) {
+ rprintf(FERROR, "Unexpected remote arg: %s\n", argv[i]);
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+ } else {
+ char *dummy_host;
+ int dummy_port = rsync_port;
+ int i;
+ /* For remote source, any extra source args must have either
+ * the same hostname or an empty hostname. */
+ for (i = 1; i < remote_argc; i++) {
+ char *arg = check_for_hostspec(remote_argv[i], &dummy_host, &dummy_port);
+ if (!arg) {
+ rprintf(FERROR, "Unexpected local arg: %s\n", remote_argv[i]);
+ rprintf(FERROR, "If arg is a remote file/dir, prefix it with a colon (:).\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (*dummy_host && strcmp(dummy_host, shell_machine) != 0) {
+ rprintf(FERROR, "All source args must come from the same machine.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ if (rsync_port != dummy_port) {
+ if (!rsync_port || !dummy_port)
+ rprintf(FERROR, "All source args must use the same hostspec format.\n");
+ else
+ rprintf(FERROR, "All source args must use the same port number.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+ remote_argv[i] = arg;
+ }
+ }
+
+ if (daemon_over_rsh < 0)
+ return start_socket_client(shell_machine, remote_argc, remote_argv, argc, argv);
+
+ if (password_file && !daemon_over_rsh) {
+ rprintf(FERROR, "The --password-file option may only be "
+ "used when accessing an rsync daemon.\n");
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (connect_timeout) {
+ rprintf(FERROR, "The --contimeout option may only be "
+ "used when connecting to an rsync daemon.\n");
+ exit_cleanup(RERR_SYNTAX);
}
if (shell_machine) {
}
}
- if (verbose > 3) {
+ if (DEBUG_GTE(CMD, 2)) {
rprintf(FINFO,"cmd=%s machine=%s user=%s path=%s\n",
- shell_cmd ? safe_fname(shell_cmd) : "",
- shell_machine ? safe_fname(shell_machine) : "",
- shell_user ? safe_fname(shell_user) : "",
- shell_path ? safe_fname(shell_path) : "");
+ NS(shell_cmd), NS(shell_machine), NS(shell_user),
+ remote_argv ? NS(remote_argv[0]) : "");
}
- /* for remote source, only single dest arg can remain ... */
- if (!am_sender && argc > 1) {
- usage(FERROR);
- exit_cleanup(RERR_SYNTAX);
- }
-
- /* ... or no dest at all */
- if (!am_sender && argc == 0)
- list_only |= 1;
-
- pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,
- &f_in,&f_out);
+ pid = do_cmd(shell_cmd, shell_machine, shell_user, remote_argv, remote_argc,
+ &f_in, &f_out);
/* if we're running an rsync server on the remote host over a
* remote shell command, we need to do the RSYNCD protocol first */
if (daemon_over_rsh) {
int tmpret;
- tmpret = start_inband_exchange(shell_user, shell_path,
- f_in, f_out, argc);
+ tmpret = start_inband_exchange(f_in, f_out, shell_user, remote_argc, remote_argv);
if (tmpret < 0)
return tmpret;
}
if (!am_server)
output_summary();
close_all();
- if (log_got_error)
+ if (got_xfer_error)
_exit(RERR_PARTIAL);
_exit(0);
}
-static RETSIGTYPE sigchld_handler(UNUSED(int val))
+RETSIGTYPE remember_children(UNUSED(int val))
{
#ifdef WNOHANG
int cnt, status;
}
}
#endif
- signal(SIGCHLD, sigchld_handler);
+#ifndef HAVE_SIGACTION
+ signal(SIGCHLD, remember_children);
+#endif
}
char cmd_buf[300];
int ret;
- sprintf(cmd_buf, get_panic_action(),
- getpid(), getpid());
+ snprintf(cmd_buf, sizeof cmd_buf, get_panic_action(),
+ getpid(), getpid());
/* Unless we failed to execute gdb, we allow the process to
* continue. I'm not sure if that's right. */
int ret;
int orig_argc = argc;
char **orig_argv = argv;
+#ifdef HAVE_SIGACTION
+# ifdef HAVE_SIGPROCMASK
+ sigset_t sigmask;
- signal(SIGUSR1, sigusr1_handler);
- signal(SIGUSR2, sigusr2_handler);
- signal(SIGCHLD, sigchld_handler);
+ sigemptyset(&sigmask);
+# endif
+ sigact.sa_flags = SA_NOCLDSTOP;
+#endif
+ SIGACTMASK(SIGUSR1, sigusr1_handler);
+ SIGACTMASK(SIGUSR2, sigusr2_handler);
+ SIGACTMASK(SIGCHLD, remember_children);
#ifdef MAINTAINER_MODE
- signal(SIGSEGV, rsync_panic_handler);
- signal(SIGFPE, rsync_panic_handler);
- signal(SIGABRT, rsync_panic_handler);
- signal(SIGBUS, rsync_panic_handler);
-#endif /* def MAINTAINER_MODE */
+ SIGACTMASK(SIGSEGV, rsync_panic_handler);
+ SIGACTMASK(SIGFPE, rsync_panic_handler);
+ SIGACTMASK(SIGABRT, rsync_panic_handler);
+ SIGACTMASK(SIGBUS, rsync_panic_handler);
+#endif
starttime = time(NULL);
- am_root = (MY_UID() == 0);
+ our_uid = MY_UID();
+ am_root = our_uid == 0;
memset(&stats, 0, sizeof(stats));
/* we set a 0 umask so that correct file permissions can be
* carried across */
- orig_umask = (int)umask(0);
+ orig_umask = umask(0);
- if (!parse_arguments(&argc, (const char ***) &argv, 1)) {
+#if defined CONFIG_LOCALE && defined HAVE_SETLOCALE
+ setlocale(LC_CTYPE, "");
+#endif
+
+ if (!parse_arguments(&argc, (const char ***) &argv)) {
/* FIXME: We ought to call the same error-handling
* code here, rather than relying on getopt. */
option_error();
exit_cleanup(RERR_SYNTAX);
}
- signal(SIGINT,SIGNAL_CAST sig_int);
- signal(SIGHUP,SIGNAL_CAST sig_int);
- signal(SIGTERM,SIGNAL_CAST sig_int);
+ SIGACTMASK(SIGINT, sig_int);
+ SIGACTMASK(SIGHUP, sig_int);
+ SIGACTMASK(SIGTERM, sig_int);
+#if defined HAVE_SIGACTION && HAVE_SIGPROCMASK
+ sigprocmask(SIG_UNBLOCK, &sigmask, NULL);
+#endif
/* Ignore SIGPIPE; we consistently check error codes and will
* see the EPIPE. */
- signal(SIGPIPE, SIG_IGN);
-
-#if defined CONFIG_LOCALE && defined HAVE_SETLOCALE
- setlocale(LC_CTYPE, "");
+ SIGACTION(SIGPIPE, SIG_IGN);
+#ifdef SIGXFSZ
+ SIGACTION(SIGXFSZ, SIG_IGN);
#endif
- /* Initialize push_dir here because on some old systems getcwd
+ /* Initialize change_dir() here because on some old systems getcwd
* (implemented by forking "pwd" and reading its output) doesn't
* work when there are other child processes. Also, on all systems
* that implement getcwd that way "pwd" can't be found after chroot. */
- push_dir(NULL);
+ change_dir(NULL, CD_NORMAL);
init_flist();
}
if (read_batch)
read_stream_flags(batch_fd);
+ else
+ write_stream_flags(batch_fd);
}
if (write_batch < 0)
dry_run = 1;
- if (am_daemon && !am_server)
+ if (am_server) {
+#ifdef ICONV_CONST
+ setup_iconv();
+#endif
+ } else if (am_daemon)
return daemon_main();
+ if (am_server && protect_args) {
+ char buf[MAXPATHLEN];
+ protect_args = 2;
+ read_args(STDIN_FILENO, NULL, buf, sizeof buf, 1, &argv, &argc, NULL);
+ if (!parse_arguments(&argc, (const char ***) &argv)) {
+ option_error();
+ exit_cleanup(RERR_SYNTAX);
+ }
+ }
+
if (argc < 1) {
usage(FERROR);
exit_cleanup(RERR_SYNTAX);
Matt McCutchen's Web Site / rsync / rsync.git / blobdiff