X-Git-Url: https://mattmccutchen.net/rsync/rsync.git/blobdiff_plain/ff41a59f58614ff4e57b4c97b586dcd46e43cc5c..69c6522734897c0b81b184c5ebcc6cd9461f6da3:/main.c

diff --git a/main.c b/main.c
index 2a5597e4..6a4d1031 100644
--- a/main.c
+++ b/main.c
@@ -112,6 +112,7 @@ static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f
 	char *tok,*dir=NULL;
 	extern int local_server;
 	extern char *rsync_path;
+	extern int blocking_io;
 
 	if (!local_server) {
 		if (!cmd)
@@ -144,6 +145,9 @@ static int do_cmd(char *cmd,char *machine,char *user,char *path,int *f_in,int *f
 		args[argc++] = rsync_path;
 
 		server_options(args,&argc);
+
+
+		if (strcmp(cmd, RSYNC_RSH) == 0) blocking_io = 1;
 	}
 
 	args[argc++] = ".";
@@ -283,6 +287,7 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 	extern int delete_after;
 	extern int recurse;
 	extern int delete_mode;
+	extern int remote_version;
 
 	if (preserve_hard_links)
 		init_hard_links(flist);
@@ -320,8 +325,13 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 		recv_files(f_in,flist,local_name,recv_pipe[1]);
 		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 sleepp for a short time as on
+		   some OSes a signal won't interrupt a sleep! */
+		while (1) sleep(1);
 	}
 
 	close(recv_pipe[1]);
@@ -335,7 +345,15 @@ static int do_recv(int f_in,int f_out,struct file_list *flist,char *local_name)
 
 	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();
+
+	kill(pid, SIGUSR2);
 	wait_process(pid, &status);
 	return status;
 }
@@ -350,9 +368,18 @@ static void do_server_recv(int f_in, int f_out, int argc,char *argv[])
 	extern int delete_mode;
 	extern int delete_excluded;
 	extern int am_daemon;
+	extern int module_id;
+	extern int am_sender;
 
 	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];
@@ -393,11 +420,14 @@ void start_server(int f_in, int f_out, int argc, char *argv[])
 	extern int am_sender;
 	extern int remote_version;
 
+	setup_protocol(f_out, f_in);
+
+	set_nonblocking(f_in);
+	set_nonblocking(f_out);
+
 	if (remote_version >= 23)
 		io_start_multiplex_out(f_out);
 
-	setup_protocol(f_out, f_in);
-
 	if (am_sender) {
 		recv_exclude_list(f_in);
 		if (cvs_exclude)
@@ -418,10 +448,13 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 	extern int list_only;
 	extern int remote_version;
 
-	if (remote_version >= 23)
-		io_start_multiplex_in(f_in);
+	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;
@@ -443,6 +476,10 @@ int client_run(int f_in, int f_out, int pid, int argc, char *argv[])
 			wait_process(pid, &status);
 		}
 		report(-1);
+		if (remote_version >= 24) {
+			/* final goodbye message */		
+			read_int(f_in);
+		}
 		exit_cleanup(status);
 	}
 
@@ -600,6 +637,10 @@ static RETSIGTYPE sigusr1_handler(int val) {
 	exit_cleanup(RERR_SIGNAL);
 }
 
+static RETSIGTYPE sigusr2_handler(int val) {
+	_exit(0);
+}
+
 int main(int argc,char *argv[])
 {       
 	extern int am_root;
@@ -609,6 +650,7 @@ int main(int argc,char *argv[])
 	extern int am_server;
 
 	signal(SIGUSR1, sigusr1_handler);
+	signal(SIGUSR2, sigusr2_handler);
 
 	starttime = time(NULL);
 	am_root = (getuid() == 0);
@@ -664,6 +706,8 @@ int main(int argc,char *argv[])
 #endif
 
 	if (am_server) {
+		set_nonblocking(STDIN_FILENO);
+		set_nonblocking(STDOUT_FILENO);
 		start_server(STDIN_FILENO, STDOUT_FILENO, argc, argv);
 	}