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Connection: Support IPv6 addresses

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Signed-off-by: Anders Kaseorg <andersk@mit.edu>
This commit is contained in:
Anders Kaseorg
2013-08-17 05:13:27 -04:00
parent 110cce3773
commit 553918d3f2
6 changed files with 177 additions and 82 deletions
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src/frontend/mosh-server.cc
+17 -14
View File
@@ -50,8 +50,7 @@
#include <utempter.h>
#endif
#include <sys/socket.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <netdb.h>
#include <time.h>
#include <sys/stat.h>
@@ -227,13 +226,6 @@ int main( int argc, char *argv[] )
}
/* Sanity-check arguments */
if ( desired_ip
&& ( strspn( desired_ip, "0123456789." ) != strlen( desired_ip ) ) ) {
fprintf( stderr, "%s: Bad IP address (%s)\n", argv[ 0 ], desired_ip );
print_usage( argv[ 0 ] );
exit( 1 );
}
int dpl, dph;
if ( desired_port && ! Connection::parse_portrange( desired_port, dpl, dph ) ) {
fprintf( stderr, "%s: Bad UDP port range (%s)\n", argv[ 0 ], desired_port );
@@ -532,8 +524,8 @@ void serve( int host_fd, Terminal::Complete &terminal, ServerConnection &network
#ifdef HAVE_UTEMPTER
bool connected_utmp = false;
struct in_addr saved_addr;
saved_addr.s_addr = 0;
Addr saved_addr;
socklen_t saved_addr_len = 0;
#endif
while ( 1 ) {
@@ -616,13 +608,24 @@ void serve( int host_fd, Terminal::Complete &terminal, ServerConnection &network
#ifdef HAVE_UTEMPTER
/* update utmp entry if we have become "connected" */
if ( (!connected_utmp)
|| ( saved_addr.s_addr != network.get_remote_ip().s_addr ) ) {
|| saved_addr_len != network.get_remote_addr_len()
|| memcmp( &saved_addr, &network.get_remote_addr(),
saved_addr_len ) != 0 ) {
utempter_remove_record( host_fd );
saved_addr = network.get_remote_ip();
saved_addr = network.get_remote_addr();
saved_addr_len = network.get_remote_addr_len();
char host[ NI_MAXHOST ];
int errcode = getnameinfo( &saved_addr.sa, saved_addr_len,
host, sizeof( host ), NULL, 0,
NI_NUMERICHOST );
if ( errcode != 0 ) {
throw NetworkException( std::string( "serve: getnameinfo: " ) + gai_strerror( errcode ), 0 );
}
char tmp[ 64 ];
snprintf( tmp, 64, "%s via mosh [%d]", inet_ntoa( saved_addr ), getpid() );
snprintf( tmp, 64, "%s via mosh [%d]", host, getpid() );
utempter_add_record( host_fd, tmp );
connected_utmp = true;