static gboolean
transport_mapper_privileged_bind(gint sock, GSockAddr *bind_addr)
{
cap_t saved_caps;
GIOStatus status;
saved_caps = g_process_cap_save();
g_process_cap_modify(CAP_NET_BIND_SERVICE, TRUE);
g_process_cap_modify(CAP_DAC_OVERRIDE, TRUE);
status = g_bind(sock, bind_addr);
g_process_cap_restore(saved_caps);
return status == G_IO_STATUS_NORMAL;
}
void
control_server_start(ControlServer *s)
{
ControlServerUnix *self = (ControlServerUnix *)s;
GSockAddr *saddr;
saddr = g_sockaddr_unix_new(self->super.control_socket_name);
self->control_socket = socket(PF_UNIX, SOCK_STREAM, 0);
if (self->control_socket == -1)
{
msg_error("Error opening control socket, external controls will not be available",
evt_tag_str("socket", self->super.control_socket_name),
NULL);
return;
}
if (g_bind(self->control_socket, saddr) != G_IO_STATUS_NORMAL)
{
msg_error("Error opening control socket, bind() failed",
evt_tag_str("socket", self->super.control_socket_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
if (listen(self->control_socket, 255) < 0)
{
msg_error("Error opening control socket, listen() failed",
evt_tag_str("socket", self->super.control_socket_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
self->control_listen.fd = self->control_socket;
self->control_listen.cookie = self;
iv_fd_register(&self->control_listen);
iv_fd_set_handler_in(&self->control_listen, control_socket_accept);
g_sockaddr_unref(saddr);
return;
error:
if (self->control_socket != -1)
{
close(self->control_socket);
self->control_socket = -1;
}
g_sockaddr_unref(saddr);
return;
}
void
control_init(const gchar *control_name)
{
GSockAddr *saddr;
saddr = g_sockaddr_unix_new(control_name);
control_socket = socket(PF_UNIX, SOCK_STREAM, 0);
if (control_socket == -1)
{
msg_error("Error opening control socket, external controls will not be available",
evt_tag_str("socket", control_name),
NULL);
return;
}
if (g_bind(control_socket, saddr) != G_IO_STATUS_NORMAL)
{
msg_error("Error opening control socket, bind() failed",
evt_tag_str("socket", control_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
if (listen(control_socket, 255) < 0)
{
msg_error("Error opening control socket, listen() failed",
evt_tag_str("socket", control_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
IV_FD_INIT(&control_listen);
control_listen.fd = control_socket;
control_listen.handler_in = control_socket_accept;
iv_fd_register(&control_listen);
g_sockaddr_unref(saddr);
return;
error:
if (control_socket != -1)
{
close(control_socket);
control_socket = -1;
}
g_sockaddr_unref(saddr);
}
void
control_init(const gchar *control_name, GMainContext *main_context)
{
GSockAddr *saddr;
GSource *source;
saddr = g_sockaddr_unix_new(control_name);
control_socket = socket(PF_UNIX, SOCK_STREAM, 0);
if (control_socket == -1)
{
msg_error("Error opening control socket, external controls will not be available",
evt_tag_str("socket", control_name),
NULL);
return;
}
if (g_bind(control_socket, saddr) != G_IO_STATUS_NORMAL)
{
msg_error("Error opening control socket, bind() failed",
evt_tag_str("socket", control_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
if (listen(control_socket, 255) < 0)
{
msg_error("Error opening control socket, listen() failed",
evt_tag_str("socket", control_name),
evt_tag_errno("error", errno),
NULL);
goto error;
}
source = g_listen_source_new(control_socket);
g_source_set_callback(source, control_socket_accept, NULL, NULL);
g_source_attach(source, main_context);
g_source_unref(source);
g_sockaddr_unref(saddr);
return;
error:
if (control_socket != -1)
{
close(control_socket);
control_socket = -1;
}
g_sockaddr_unref(saddr);
}
static gboolean
afsocket_open_socket(GSockAddr *bind_addr, int stream_or_dgram, int *fd)
{
gint sock;
if (stream_or_dgram)
sock = socket(bind_addr->sa.sa_family, SOCK_STREAM, 0);
else
sock = socket(bind_addr->sa.sa_family, SOCK_DGRAM, 0);
if (sock != -1)
{
cap_t saved_caps;
g_fd_set_nonblock(sock, TRUE);
g_fd_set_cloexec(sock, TRUE);
saved_caps = g_process_cap_save();
g_process_cap_modify(CAP_NET_BIND_SERVICE, TRUE);
g_process_cap_modify(CAP_DAC_OVERRIDE, TRUE);
if (g_bind(sock, bind_addr) != G_IO_STATUS_NORMAL)
{
gchar buf[256];
g_process_cap_restore(saved_caps);
msg_error("Error binding socket",
evt_tag_str("addr", g_sockaddr_format(bind_addr, buf, sizeof(buf), GSA_FULL)),
evt_tag_errno(EVT_TAG_OSERROR, errno),
NULL);
close(sock);
return FALSE;
}
g_process_cap_restore(saved_caps);
*fd = sock;
return TRUE;
}
else
{
msg_error("Error creating socket",
evt_tag_errno(EVT_TAG_OSERROR, errno),
NULL);
return FALSE;
}
}