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Diffstat (limited to 'ui/vnc.c')
-rw-r--r--ui/vnc.c57
1 files changed, 34 insertions, 23 deletions
diff --git a/ui/vnc.c b/ui/vnc.c
index faff0546e8..502a10a07b 100644
--- a/ui/vnc.c
+++ b/ui/vnc.c
@@ -156,10 +156,11 @@ char *vnc_socket_remote_addr(const char *format, int fd) {
return addr_to_string(format, &sa, salen);
}
-static VncBasicInfo *vnc_basic_info_get(struct sockaddr_storage *sa,
- socklen_t salen)
+static void vnc_init_basic_info(struct sockaddr_storage *sa,
+ socklen_t salen,
+ VncBasicInfo *info,
+ Error **errp)
{
- VncBasicInfo *info;
char host[NI_MAXHOST];
char serv[NI_MAXSERV];
int err;
@@ -168,42 +169,44 @@ static VncBasicInfo *vnc_basic_info_get(struct sockaddr_storage *sa,
host, sizeof(host),
serv, sizeof(serv),
NI_NUMERICHOST | NI_NUMERICSERV)) != 0) {
- VNC_DEBUG("Cannot resolve address %d: %s\n",
- err, gai_strerror(err));
- return NULL;
+ error_setg(errp, "Cannot resolve address: %s",
+ gai_strerror(err));
+ return;
}
- info = g_malloc0(sizeof(VncBasicInfo));
info->host = g_strdup(host);
info->service = g_strdup(serv);
info->family = inet_netfamily(sa->ss_family);
- return info;
}
-static VncBasicInfo *vnc_basic_info_get_from_server_addr(int fd)
+static void vnc_init_basic_info_from_server_addr(int fd, VncBasicInfo *info,
+ Error **errp)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getsockname(fd, (struct sockaddr*)&sa, &salen) < 0) {
- return NULL;
+ error_setg_errno(errp, errno, "getsockname failed");
+ return;
}
- return vnc_basic_info_get(&sa, salen);
+ vnc_init_basic_info(&sa, salen, info, errp);
}
-static VncBasicInfo *vnc_basic_info_get_from_remote_addr(int fd)
+static void vnc_init_basic_info_from_remote_addr(int fd, VncBasicInfo *info,
+ Error **errp)
{
struct sockaddr_storage sa;
socklen_t salen;
salen = sizeof(sa);
if (getpeername(fd, (struct sockaddr*)&sa, &salen) < 0) {
- return NULL;
+ error_setg_errno(errp, errno, "getpeername failed");
+ return;
}
- return vnc_basic_info_get(&sa, salen);
+ vnc_init_basic_info(&sa, salen, info, errp);
}
static const char *vnc_auth_name(VncDisplay *vd) {
@@ -256,15 +259,18 @@ static const char *vnc_auth_name(VncDisplay *vd) {
static VncServerInfo *vnc_server_info_get(VncDisplay *vd)
{
VncServerInfo *info;
- VncBasicInfo *bi = vnc_basic_info_get_from_server_addr(vd->lsock);
- if (!bi) {
- return NULL;
- }
+ Error *err = NULL;
info = g_malloc(sizeof(*info));
- info->base = bi;
+ info->base = g_malloc(sizeof(*info->base));
+ vnc_init_basic_info_from_server_addr(vd->lsock, info->base, &err);
info->has_auth = true;
info->auth = g_strdup(vnc_auth_name(vd));
+ if (err) {
+ qapi_free_VncServerInfo(info);
+ info = NULL;
+ error_free(err);
+ }
return info;
}
@@ -291,11 +297,16 @@ static void vnc_client_cache_auth(VncState *client)
static void vnc_client_cache_addr(VncState *client)
{
- VncBasicInfo *bi = vnc_basic_info_get_from_remote_addr(client->csock);
+ Error *err = NULL;
- if (bi) {
- client->info = g_malloc0(sizeof(*client->info));
- client->info->base = bi;
+ client->info = g_malloc0(sizeof(*client->info));
+ client->info->base = g_malloc0(sizeof(*client->info->base));
+ vnc_init_basic_info_from_remote_addr(client->csock, client->info->base,
+ &err);
+ if (err) {
+ qapi_free_VncClientInfo(client->info);
+ client->info = NULL;
+ error_free(err);
}
}