-/*
- Copyright (C) Andrew Tridgell 1996
+/* -*- c-file-style: "linux" -*-
+
+ Copyright (C) 1996-2001 by Andrew Tridgell <tridge@samba.org>
Copyright (C) Paul Mackerras 1996
+ Copyright (C) 2001 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
struct stats stats;
-extern int csum_length;
-
extern int verbose;
+
+/****************************************************************************
+wait for a process to exit, calling io_flush while waiting
+****************************************************************************/
+void wait_process(pid_t pid, int *status)
+{
+ while (waitpid(pid, status, WNOHANG) == 0) {
+ msleep(20);
+ io_flush();
+ }
+
+ /* TODO: If the child exited on a signal, then log an
+ * appropriate error message. Perhaps we should also accept a
+ * message describing the purpose of the child. Also indicate
+ * this to the caller so that thhey know something went
+ * wrong. */
+ *status = WEXITSTATUS(*status);
+}
+
static void report(int f)
{
time_t t = time(NULL);
extern int am_sender;
extern int am_daemon;
extern int do_stats;
+ extern int remote_version;
+ int send_stats;
if (am_daemon) {
- syslog(LOG_INFO,"wrote %.0f bytes read %.0f bytes total size %.0f\n",
- (double)stats.total_written,
- (double)stats.total_read,
- (double)stats.total_size);
+ log_exit(0, __FILE__, __LINE__);
if (f == -1 || !am_sender) return;
}
- if (!verbose) return;
-
- if (am_server && !am_sender) return;
-
- if (am_server && am_sender) {
- write_longint(f,stats.total_read);
- write_longint(f,stats.total_written);
- write_longint(f,stats.total_size);
+ send_stats = verbose || (remote_version >= 20);
+ if (am_server) {
+ if (am_sender && send_stats) {
+ int64 w;
+ /* store total_written in a temporary
+ because write_longint changes it */
+ w = stats.total_written;
+ write_longint(f,stats.total_read);
+ write_longint(f,w);
+ write_longint(f,stats.total_size);
+ }
return;
}
-
- if (!am_sender) {
+
+ /* this is the client */
+
+ if (!am_sender && send_stats) {
int64 r;
stats.total_written = read_longint(f);
+ /* store total_read in a temporary, read_longint changes it */
r = read_longint(f);
stats.total_size = read_longint(f);
stats.total_read = r;
}
if (do_stats) {
+ if (!am_sender && !send_stats) {
+ /* missing the bytes written by the generator */
+ rprintf(FINFO, "\nCannot show stats as receiver because remote protocol version is less than 20\n");
+ rprintf(FINFO, "Use --stats -v to show stats\n");
+ return;
+ }
rprintf(FINFO,"\nNumber of files: %d\n", stats.num_files);
rprintf(FINFO,"Number of files transferred: %d\n",
stats.num_transferred_files);
(double)stats.total_read);
}
- rprintf(FINFO,"wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
- (double)stats.total_written,
- (double)stats.total_read,
- (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
- rprintf(FINFO,"total size is %.0f speedup is %.2f\n",
- (double)stats.total_size,
- (1.0*stats.total_size)/(stats.total_written+stats.total_read));
+ if (verbose || do_stats) {
+ rprintf(FINFO,"wrote %.0f bytes read %.0f bytes %.2f bytes/sec\n",
+ (double)stats.total_written,
+ (double)stats.total_read,
+ (stats.total_written+stats.total_read)/(0.5 + (t-starttime)));
+ rprintf(FINFO,"total size is %.0f speedup is %.2f\n",
+ (double)stats.total_size,
+ (1.0*stats.total_size)/(stats.total_written+stats.total_read));
+ }
fflush(stdout);
fflush(stderr);
}
-static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f_out)
+/* 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)
{
char *args[100];
- int i,argc=0, ret;
+ int i,argc=0;
+ pid_t ret;
char *tok,*dir=NULL;
extern int local_server;
extern char *rsync_path;
+ extern int blocking_io;
+ extern int read_batch;
- if (!local_server) {
+ if (!read_batch && !local_server) { /* dw -- added read_batch */
if (!cmd)
cmd = getenv(RSYNC_RSH_ENV);
if (!cmd)
args[argc++] = rsync_path;
server_options(args,&argc);
+
+
+ if (strcmp(cmd, RSYNC_RSH) == 0) blocking_io = 1;
}
args[argc++] = ".";
}
if (local_server) {
+ if (read_batch)
+ create_flist_from_batch();
ret = local_child(argc, args, f_in, f_out);
} else {
ret = piped_child(args,f_in,f_out);
if (verbose > 2)
rprintf(FINFO,"get_local_name count=%d %s\n",
- flist->count, name);
+ flist->count, NS(name));
+
+ if (!name)
+ return NULL;
if (do_stat(name,&st) == 0) {
if (S_ISDIR(st.st_mode)) {
if (!push_dir(name, 0)) {
rprintf(FERROR,"push_dir %s : %s (1)\n",
name,strerror(errno));
- exit_cleanup(1);
+ 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");
- exit_cleanup(1);
+ exit_cleanup(RERR_FILESELECT);
}
return name;
}
- if (flist->count == 1)
+ if (flist->count <= 1)
return name;
- if (!name)
- return NULL;
-
if (do_mkdir(name,0777 & ~orig_umask) != 0) {
rprintf(FERROR,"mkdir %s : %s (1)\n",name,strerror(errno));
- exit_cleanup(1);
+ exit_cleanup(RERR_FILEIO);
} else {
if (verbose > 0)
rprintf(FINFO,"created directory %s\n",name);
if (!push_dir(name, 0)) {
rprintf(FERROR,"push_dir %s : %s (2)\n",
name,strerror(errno));
- exit_cleanup(1);
+ exit_cleanup(RERR_FILESELECT);
}
return NULL;
char *dir = argv[0];
extern int relative_paths;
extern int recurse;
+ extern int remote_version;
if (verbose > 2)
rprintf(FINFO,"server_sender starting pid=%d\n",(int)getpid());
if (!relative_paths && !push_dir(dir, 0)) {
rprintf(FERROR,"push_dir %s: %s (3)\n",dir,strerror(errno));
- exit_cleanup(1);
+ exit_cleanup(RERR_FILESELECT);
}
argc--;
argv++;
exit_cleanup(0);
}
- set_nonblocking(f_out);
- if (f_in != f_out)
- set_nonblocking(f_in);
-
send_files(flist,f_out,f_in);
+ io_flush();
report(f_out);
+ if (remote_version >= 24) {
+ /* final goodbye message */
+ read_int(f_in);
+ }
io_flush();
exit_cleanup(0);
}
int pid;
int status=0;
int recv_pipe[2];
+ int error_pipe[2];
extern int preserve_hard_links;
+ extern int delete_after;
+ extern int recurse;
+ extern int delete_mode;
+ extern int remote_version;
if (preserve_hard_links)
init_hard_links(flist);
- if (pipe(recv_pipe) < 0) {
+ if (!delete_after) {
+ /* I moved this here from recv_files() to prevent a race condition */
+ if (recurse && delete_mode && !local_name && flist->count>0) {
+ delete_files(flist);
+ }
+ }
+
+ if (fd_pair(recv_pipe) < 0) {
rprintf(FERROR,"pipe failed in do_recv\n");
- exit_cleanup(1);
+ exit_cleanup(RERR_SOCKETIO);
+ }
+
+ if (fd_pair(error_pipe) < 0) {
+ rprintf(FERROR,"error pipe failed in do_recv\n");
+ exit_cleanup(RERR_SOCKETIO);
}
io_flush();
if ((pid=do_fork()) == 0) {
close(recv_pipe[0]);
+ close(error_pipe[0]);
if (f_in != f_out) close(f_out);
- set_nonblocking(f_in);
+ /* we can't let two processes write to the socket at one time */
+ io_multiplexing_close();
+
+ /* set place to send errors */
+ set_error_fd(error_pipe[1]);
recv_files(f_in,flist,local_name,recv_pipe[1]);
+ io_flush();
report(f_in);
+ write_int(recv_pipe[1],1);
+ close(recv_pipe[1]);
io_flush();
- _exit(0);
+ /* finally we go to sleep until our parent kills us
+ with a USR2 signal. We sleep for a short time as on
+ some OSes a signal won't interrupt a sleep! */
+ while (msleep(20))
+ ;
}
close(recv_pipe[1]);
- io_close_input(f_in);
+ close(error_pipe[1]);
if (f_in != f_out) close(f_in);
- set_nonblocking(f_out);
-
io_start_buffering(f_out);
+ io_set_error_fd(error_pipe[0]);
+
generate_files(f_out,flist,local_name,recv_pipe[0]);
+ read_int(recv_pipe[0]);
+ close(recv_pipe[0]);
+ if (remote_version >= 24) {
+ /* send a final goodbye message */
+ write_int(f_out, -1);
+ }
io_flush();
- waitpid(pid, &status, 0);
+
+ kill(pid, SIGUSR2);
+ wait_process(pid, &status);
return status;
}
char *local_name=NULL;
char *dir = NULL;
extern int delete_mode;
+ extern int delete_excluded;
extern int am_daemon;
+ extern int module_id;
+ extern int am_sender;
+ extern int read_batch; /* dw */
+ extern struct file_list *batch_flist; /* dw */
if (verbose > 2)
rprintf(FINFO,"server_recv(%d) starting pid=%d\n",argc,(int)getpid());
+
+ if (am_daemon && lp_read_only(module_id) && !am_sender) {
+ rprintf(FERROR,"ERROR: module is read only\n");
+ exit_cleanup(RERR_SYNTAX);
+ return;
+ }
+
if (argc > 0) {
dir = argv[0];
if (!am_daemon && !push_dir(dir, 0)) {
rprintf(FERROR,"push_dir %s : %s (4)\n",
dir,strerror(errno));
- exit_cleanup(1);
+ exit_cleanup(RERR_FILESELECT);
}
}
- if (delete_mode)
+ if (delete_mode && !delete_excluded)
recv_exclude_list(f_in);
- flist = recv_file_list(f_in);
- if (!flist || flist->count == 0) {
- rprintf(FERROR,"server_recv: nothing to do\n");
- exit_cleanup(1);
+ if (read_batch) /* dw */
+ flist = batch_flist;
+ else
+ flist = recv_file_list(f_in);
+ if (!flist) {
+ rprintf(FERROR,"server_recv: recv_file_list error\n");
+ exit_cleanup(RERR_FILESELECT);
}
if (argc > 0) {
{
extern int cvs_exclude;
extern int am_sender;
+ extern int remote_version;
+ extern int read_batch; /* dw */
setup_protocol(f_out, f_in);
-
+
+ set_nonblocking(f_in);
+ set_nonblocking(f_out);
+
+ if (remote_version >= 23)
+ io_start_multiplex_out(f_out);
+
if (am_sender) {
- recv_exclude_list(f_in);
- if (cvs_exclude)
+ if (!read_batch) { /* dw */
+ recv_exclude_list(f_in);
+ if (cvs_exclude)
add_cvs_excludes();
+ }
do_server_sender(f_in, f_out, argc, argv);
} else {
do_server_recv(f_in, f_out, argc, argv);
exit_cleanup(0);
}
-int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
+
+/*
+ * This is called once the connection has been negotiated. It is used
+ * for rsyncd, remote-shell, and local connections.
+ */
+int client_run(int f_in, int f_out, pid_t pid, int argc, char *argv[])
{
struct file_list *flist;
int status = 0, status2 = 0;
char *local_name = NULL;
extern int am_sender;
+ extern int remote_version;
+ extern pid_t cleanup_child_pid;
+ extern int write_batch; /* dw */
+ extern int read_batch; /* dw */
+ extern struct file_list *batch_flist; /* dw */
+
+ cleanup_child_pid = pid;
+ if (read_batch)
+ flist = batch_flist; /* dw */
+
+ set_nonblocking(f_in);
+ set_nonblocking(f_out);
setup_protocol(f_out,f_in);
+
+ if (remote_version >= 23)
+ io_start_multiplex_in(f_in);
if (am_sender) {
extern int cvs_exclude;
extern int delete_mode;
+ extern int delete_excluded;
if (cvs_exclude)
add_cvs_excludes();
- if (delete_mode)
+ if (delete_mode && !delete_excluded)
send_exclude_list(f_out);
- flist = send_file_list(f_out,argc,argv);
+ if (!read_batch) /* dw -- don't write to pipe */
+ flist = send_file_list(f_out,argc,argv);
if (verbose > 3)
rprintf(FINFO,"file list sent\n");
- set_nonblocking(f_out);
- if (f_in != f_out)
- set_nonblocking(f_in);
-
send_files(flist,f_out,f_in);
+ if (remote_version >= 24) {
+ /* final goodbye message */
+ read_int(f_in);
+ }
if (pid != -1) {
if (verbose > 3)
- rprintf(FINFO,"client_run waiting on %d\n",pid);
+ rprintf(FINFO,"client_run waiting on %d\n", (int) pid);
io_flush();
- waitpid(pid, &status, 0);
+ wait_process(pid, &status);
}
report(-1);
exit_cleanup(status);
}
+
+ if (argc == 0) {
+ extern int list_only;
+ list_only = 1;
+ }
- send_exclude_list(f_out);
+ if (!write_batch) /* dw */
+ send_exclude_list(f_out);
flist = recv_file_list(f_in);
if (!flist || flist->count == 0) {
- rprintf(FINFO,"client: nothing to do\n");
+ rprintf(FINFO, "client: nothing to do: "
+ "perhaps you need to specify some filenames or "
+ "the --recursive option?\n");
exit_cleanup(0);
}
if (pid != -1) {
if (verbose > 3)
- rprintf(FINFO,"client_run2 waiting on %d\n",pid);
+ rprintf(FINFO,"client_run2 waiting on %d\n", (int) pid);
io_flush();
- waitpid(pid, &status, 0);
+ wait_process(pid, &status);
}
- return status | status2;
+ return MAX(status, status2);
}
static char *find_colon(char *s)
return p;
}
+
+static int copy_argv (char *argv[])
+{
+ int i;
+
+ for (i = 0; argv[i]; i++) {
+ if (!(argv[i] = strdup(argv[i]))) {
+ rprintf (FERROR, "out of memory at %s(%d)\n",
+ __FILE__, __LINE__);
+ return RERR_MALLOC;
+ }
+ }
+
+ return 0;
+}
+
+
+/*
+ * Start a client for either type of remote connection. Work out
+ * whether the arguments request a remote shell or rsyncd connection,
+ * and call the appropriate connection function, then run_client.
+ */
static int start_client(int argc, char *argv[])
{
char *p;
char *shell_machine = NULL;
char *shell_path = NULL;
char *shell_user = NULL;
- int pid, ret;
+ int ret;
+ pid_t pid;
int f_in,f_out;
extern int local_server;
extern int am_sender;
extern char *shell_cmd;
+ extern int rsync_port;
+ extern int whole_file;
+ extern int read_batch;
+ int rc;
- p = find_colon(argv[0]);
+ /* Don't clobber argv[] so that ps(1) can still show the right
+ command line. */
+ if ((rc = copy_argv (argv)))
+ return rc;
+
+ if (strncasecmp(URL_PREFIX, argv[0], strlen(URL_PREFIX)) == 0) {
+ char *host, *path;
+
+ host = argv[0] + strlen(URL_PREFIX);
+ p = strchr(host,'/');
+ if (p) {
+ *p = 0;
+ path = p+1;
+ } else {
+ path="";
+ }
+ p = strchr(host,':');
+ if (p) {
+ rsync_port = atoi(p+1);
+ *p = 0;
+ }
+ return start_socket_client(host, path, argc-1, argv+1);
+ }
+
+ if (!read_batch) { /* dw */
+ p = find_colon(argv[0]);
if (p) {
if (p[1] == ':') {
return start_socket_client(argv[0], p+2, argc-1, argv+1);
}
- if (argc < 2) {
+ if (argc < 1) {
usage(FERROR);
- exit_cleanup(1);
+ exit_cleanup(RERR_SYNTAX);
}
am_sender = 0;
p = find_colon(argv[argc-1]);
if (!p) {
local_server = 1;
+ /* disable "rsync algorithm" when both sides local */
+ whole_file = 1;
} else if (p[1] == ':') {
*p = 0;
return start_socket_client(argv[argc-1], p+2, argc-1, argv);
if (argc < 2) {
usage(FERROR);
- exit_cleanup(1);
+ exit_cleanup(RERR_SYNTAX);
}
if (local_server) {
}
argc--;
}
-
+ } else {
+ am_sender = 1; /* dw */
+ local_server = 1; /* dw */
+ shell_path = argv[argc-1]; /* dw */
+ }
+
if (shell_machine) {
p = strchr(shell_machine,'@');
if (p) {
shell_path?shell_path:"");
}
- if (!am_sender && argc != 1) {
+ if (!am_sender && argc > 1) {
usage(FERROR);
- exit_cleanup(1);
+ exit_cleanup(RERR_SYNTAX);
+ }
+
+ if (argc == 0 && !am_sender) {
+ extern int list_only;
+ list_only = 1;
}
pid = do_cmd(shell_cmd,shell_machine,shell_user,shell_path,&f_in,&f_out);
}
-RETSIGTYPE sigusr1_handler(int val) {
- exit_cleanup(1);
+static RETSIGTYPE sigusr1_handler(int val) {
+ exit_cleanup(RERR_SIGNAL);
+}
+
+static RETSIGTYPE sigusr2_handler(int val) {
+ extern int log_got_error;
+ if (log_got_error) _exit(RERR_PARTIAL);
+ _exit(0);
+}
+
+static RETSIGTYPE sigchld_handler(int val) {
+#ifdef WNOHANG
+ while (waitpid(-1, NULL, WNOHANG) > 0) ;
+#endif
}
int main(int argc,char *argv[])
extern int dry_run;
extern int am_daemon;
extern int am_server;
+ int ret;
+ extern int read_batch; /* dw */
+ extern int write_batch; /* dw */
+ extern char *batch_ext; /* dw */
+ int orig_argc; /* dw */
+
+ orig_argc = argc; /* dw */
signal(SIGUSR1, sigusr1_handler);
+ signal(SIGUSR2, sigusr2_handler);
+ signal(SIGCHLD, sigchld_handler);
starttime = time(NULL);
am_root = (getuid() == 0);
if (argc < 2) {
usage(FERROR);
- exit_cleanup(1);
+ exit_cleanup(RERR_SYNTAX);
}
/* we set a 0 umask so that correct file permissions can be
carried across */
orig_umask = (int)umask(0);
- parse_arguments(argc, argv);
-
- argc -= optind;
- argv += optind;
- optind = 0;
+ if (!parse_arguments(&argc, (const char ***) &argv, 1)) {
+ /* FIXME: We ought to call the same error-handling
+ * code here, rather than relying on getopt. */
+ option_error();
+ exit_cleanup(RERR_SYNTAX);
+ }
- signal(SIGCHLD,SIG_IGN);
signal(SIGINT,SIGNAL_CAST sig_int);
signal(SIGPIPE,SIGNAL_CAST sig_int);
signal(SIGHUP,SIGNAL_CAST sig_int);
+ signal(SIGTERM,SIGNAL_CAST sig_int);
+
+ /* Initialize push_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,0);
+
+ if (write_batch) { /* dw */
+ create_batch_file_ext();
+ write_batch_argvs_file(orig_argc, argc, argv);
+ }
+
+ if (read_batch) { /* dw */
+ set_batch_file_ext(batch_ext);
+ }
if (am_daemon) {
return daemon_main();
if (argc < 1) {
usage(FERROR);
- exit_cleanup(1);
+ exit_cleanup(RERR_SYNTAX);
}
if (dry_run)
#ifndef SUPPORT_LINKS
if (!am_server && preserve_links) {
rprintf(FERROR,"ERROR: symbolic links not supported\n");
- exit_cleanup(1);
+ exit_cleanup(RERR_UNSUPPORTED);
}
#endif
if (am_server) {
+ set_nonblocking(STDIN_FILENO);
+ set_nonblocking(STDOUT_FILENO);
start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
}
- return start_client(argc, argv);
+ ret = start_client(argc, argv);
+ exit_cleanup(ret);
+ return ret;
}
git.samba.org / rsync.git / blobdiff