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Fix lost MOSH CONNECT on FreeBSD 11

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This moves all routine stdout/stderr output into the parent
server, and adds tcdrain(), even though this may be a
FreeBSD pty bug.
This commit is contained in:
John Hood
2016-08-14 07:19:09 +00:00
parent b7d081056b
commit 4ad131a55d
1 changed files with 19 additions and 11 deletions
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src/frontend/mosh-server.cc
+19 -11
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@@ -409,7 +409,6 @@ static int run_server( const char *desired_ip, const char *desired_port,
}
printf( "\nMOSH CONNECT %s %s\n", network->port().c_str(), network->get_key().c_str() );
fflush( stdout );
/* don't let signals kill us */
struct sigaction sa;
@@ -421,25 +420,34 @@ static int run_server( const char *desired_ip, const char *desired_port,
/* detach from terminal */
fflush( stdout );
fflush( stderr );
pid_t the_pid = fork();
if ( the_pid < 0 ) {
perror( "fork" );
} else if ( the_pid > 0 ) {
fprintf( stderr, "\nmosh-server (%s) [build %s]\n", PACKAGE_STRING, BUILD_VERSION );
fprintf( stderr, "Copyright 2012 Keith Winstein <mosh-devel@mit.edu>\n" );
fprintf( stderr, "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\n" );
fprintf( stderr, "[mosh-server detached, pid = %d]\n", static_cast<int>(the_pid) );
#ifndef HAVE_IUTF8
fprintf( stderr, "\nWarning: termios IUTF8 flag not defined.\nCharacter-erase of multibyte character sequence\nprobably does not work properly on this platform.\n" );
#endif /* HAVE_IUTF8 */
fflush( stdout );
fflush( stderr );
if ( isatty( STDOUT_FILENO ) ) {
tcdrain( STDOUT_FILENO );
}
if ( isatty( STDERR_FILENO ) ) {
tcdrain( STDERR_FILENO );
}
_exit( 0 );
}
fprintf( stderr, "\nmosh-server (%s) [build %s]\n", PACKAGE_STRING, BUILD_VERSION );
fprintf( stderr, "Copyright 2012 Keith Winstein <mosh-devel@mit.edu>\n" );
fprintf( stderr, "License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>.\nThis is free software: you are free to change and redistribute it.\nThere is NO WARRANTY, to the extent permitted by law.\n\n" );
fprintf( stderr, "[mosh-server detached, pid = %d]\n", (int)getpid() );
int master;
#ifndef HAVE_IUTF8
fprintf( stderr, "\nWarning: termios IUTF8 flag not defined.\nCharacter-erase of multibyte character sequence\nprobably does not work properly on this platform.\n" );
#endif /* HAVE_IUTF8 */
/* close file descriptors */
if ( !verbose ) {
/* Necessary to properly detach on old versions of sshd (e.g. RHEL/CentOS 5.0). */