[Ovirt-devel] [PATCH viewer] few minor bugfixes
Mohammed Morsi
mmorsi at redhat.com
Mon Jun 1 16:38:50 UTC 2009
- perform dns lookup on hostname,
- randomize local tunnel port
- bump rpm spec version
---
main.c | 14 +++++---------
ovirt-viewer.spec | 9 ++++++++-
tunnel.c | 29 ++++++++++++++++++++---------
3 files changed, 33 insertions(+), 19 deletions(-)
diff --git a/main.c b/main.c
index 2962f3f..222a9fd 100644
--- a/main.c
+++ b/main.c
@@ -36,6 +36,8 @@
#include <netinet/in.h>
#endif
+#include <arpa/inet.h>
+
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
@@ -903,13 +905,12 @@ viewer_credential (GtkWidget *vnc, GValueArray *credList)
gtk_widget_destroy(GTK_WIDGET(dialog));
}
-#if defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS) && defined(HAVE_GETHOSTBYNAME)
+#if defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS)
static int
viewer_open_vnc_socket(const char* vnchost, int vncport)
{
int socketfd;
- struct hostent *serv;
struct sockaddr_in serv_addr;
socketfd = socket(PF_INET, SOCK_STREAM, 0);
@@ -917,14 +918,9 @@ viewer_open_vnc_socket(const char* vnchost, int vncport)
return -1;
}
- serv = gethostbyname(vnchost);
- if(serv == NULL){
- return -1;
- }
-
serv_addr.sin_family = PF_INET;
serv_addr.sin_port = htons(vncport);
- serv_addr.sin_addr.s_addr = ((struct in_addr *)(serv->h_addr))->s_addr;
+ serv_addr.sin_addr.s_addr = inet_addr(vnchost);
if (connect(socketfd,(struct sockaddr *)&serv_addr,sizeof(serv_addr)) < 0){
return -1;
@@ -933,7 +929,7 @@ viewer_open_vnc_socket(const char* vnchost, int vncport)
return socketfd;
}
-#endif /* defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS) && defined(HAVE_GETHOSTBYNAME) */
+#endif /* defined(HAVE_SOCKET) && defined(HAVE_CONNECT) && defined(HAVE_HTONS) */
/* Remove all menu items from the Connect menu. */
static void
diff --git a/ovirt-viewer.spec b/ovirt-viewer.spec
index a320ecd..a4d826e 100644
--- a/ovirt-viewer.spec
+++ b/ovirt-viewer.spec
@@ -2,7 +2,7 @@
Name: ovirt-viewer
Version: 1.0.0
-Release: 2%{?dist}
+Release: 4%{?dist}
Summary: ovirt-viewer is a vnc viewer for ovirt managed vms
Group: Applications/System
@@ -61,6 +61,13 @@ rm -rf $RPM_BUILD_ROOT
%{_bindir}/ovirt-viewer
%changelog
+* Mon Jun 01 2009 <mmorsi at redhat.com> - 1.0.0-4
+- bugfixes, dns lookup and local tunnel port assignment
+
+* Wed May 20 2009 <mmorsi at redhat.com> - 1.0.0-3
+- changes to viewer to connect to ovirt server
+ through vnc proxy
+
* Thu Apr 30 2009 <mmorsi at redhat.com> - 1.0.0-2
- ssl support, see check-certificate cmd line flag
- wire up send key menu
diff --git a/tunnel.c b/tunnel.c
index a03ef0b..c6d091d 100644
--- a/tunnel.c
+++ b/tunnel.c
@@ -34,6 +34,7 @@
#include <sys/socket.h>
#include <stdlib.h>
#include <stdio.h>
+#include <netdb.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
@@ -46,9 +47,6 @@
/* constants */
-// port to try to listen on, if we can't, increment until we find one we can
-const int PORT_RANGE_START = 5600;
-
// max length of a vm name
const int VM_NAME_MAX_LEN = 250;
@@ -137,6 +135,8 @@ stop_tunnel(void)
static gpointer
tunnel_thread (gpointer _data)
{
+ struct hostent *dns_serv;
+
//char vm_data[VM_NAME_MAX_LEN];
int local_server_socketfd, ovirt_server_socket, client_socketfd;
unsigned int local_server_len, client_len, ovirt_server_len;
@@ -145,6 +145,9 @@ tunnel_thread (gpointer _data)
struct sockaddr_in ovirt_server_address;
struct sockaddr_in client_address;
+ struct sockaddr_in local_server_address_lookup;
+ unsigned int local_server_address_lookup_len = sizeof(local_server_address_lookup);
+
GThread *client_server_gthread = NULL;
GThread *server_client_gthread = NULL;
@@ -154,8 +157,13 @@ tunnel_thread (gpointer _data)
DEBUG ("tunnel thread starting up");
// ovirt server address
+ dns_serv = gethostbyname(hostname);
+ if(dns_serv == NULL){
+ DEBUG("ovirt server lookup failed");
+ return NULL;
+ }
ovirt_server_address.sin_family = PF_INET;
- ovirt_server_address.sin_addr.s_addr = inet_addr(hostname);
+ ovirt_server_address.sin_addr.s_addr = ((struct in_addr*)(dns_serv->h_addr))->s_addr; //inet_addr(hostname);
ovirt_server_address.sin_port = htons(OVIRT_SERVER_PORT);
ovirt_server_len = sizeof(ovirt_server_address);
@@ -165,18 +173,21 @@ tunnel_thread (gpointer _data)
sockets = g_slist_prepend(sockets, c_socket);
// local server address
- tunnel_port = PORT_RANGE_START;
local_server_address.sin_family = PF_INET;
local_server_address.sin_addr.s_addr = inet_addr("127.0.0.1");
- local_server_address.sin_port = htons(tunnel_port);
+ local_server_address.sin_port = 0;
local_server_len = sizeof(local_server_address);
// increment ports until one is available
- while(bind(local_server_socketfd, (struct sockaddr*)&local_server_address, local_server_len) < 0){
- tunnel_port += 1;
- local_server_address.sin_port += htons(tunnel_port);
+ if(bind(local_server_socketfd, (struct sockaddr*)&local_server_address, local_server_len) < 0){
+ DEBUG("tunnel bind failed");
+ return NULL;
}
+ getsockname(local_server_socketfd,
+ (struct sockaddr*) &local_server_address_lookup,
+ &local_server_address_lookup_len);
+ tunnel_port = (int)ntohs(local_server_address_lookup.sin_port);
DEBUG ("tunnel bound to local port %i", tunnel_port);
// increase client buffer size?
--
1.6.0.6
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