crm_client_t *
crm_client_new(qb_ipcs_connection_t * c, uid_t uid_client, gid_t gid_client)
{
static gid_t uid_cluster = 0;
static gid_t gid_cluster = 0;
crm_client_t *client = NULL;
CRM_LOG_ASSERT(c);
if (c == NULL) {
return NULL;
}
if (uid_cluster == 0) {
if (crm_user_lookup(CRM_DAEMON_USER, &uid_cluster, &gid_cluster) < 0) {
static bool have_error = FALSE;
if(have_error == FALSE) {
crm_warn("Could not find user and group IDs for user %s",
CRM_DAEMON_USER);
have_error = TRUE;
}
}
}
if (uid_client != 0) {
crm_trace("Giving access to group %u", gid_cluster);
/* Passing -1 to chown(2) means don't change */
qb_ipcs_connection_auth_set(c, -1, gid_cluster, S_IRUSR | S_IWUSR | S_IRGRP | S_IWGRP);
}
crm_client_init();
/* TODO: Do our own auth checking, return NULL if unauthorized */
client = crm_client_alloc(c);
client->ipcs = c;
client->kind = CRM_CLIENT_IPC;
client->pid = crm_ipcs_client_pid(c);
if ((uid_client == 0) || (uid_client == uid_cluster)) {
/* Remember when a connection came from root or hacluster */
set_bit(client->flags, crm_client_flag_ipc_privileged);
}
crm_debug("Connecting %p for uid=%d gid=%d pid=%u id=%s", c, uid_client, gid_client, client->pid, client->id);
#if ENABLE_ACL
client->user = uid2username(uid_client);
#endif
return client;
}
static int
lrmd_remote_listen(gpointer data)
{
int csock = 0;
gnutls_session_t *session = NULL;
crm_client_t *new_client = NULL;
static struct mainloop_fd_callbacks lrmd_remote_fd_cb = {
.dispatch = lrmd_remote_client_msg,
.destroy = lrmd_remote_client_destroy,
};
csock = crm_remote_accept(ssock);
if (csock < 0) {
return TRUE;
}
session = pcmk__new_tls_session(csock, GNUTLS_SERVER, GNUTLS_CRD_PSK,
psk_cred_s);
if (session == NULL) {
close(csock);
return TRUE;
}
new_client = crm_client_alloc(NULL);
new_client->remote = calloc(1, sizeof(crm_remote_t));
new_client->kind = CRM_CLIENT_TLS;
new_client->remote->tls_session = session;
// Require the client to authenticate within this time
new_client->remote->auth_timeout = g_timeout_add(LRMD_REMOTE_AUTH_TIMEOUT,
lrmd_auth_timeout_cb,
new_client);
crm_info("Remote client pending authentication "
CRM_XS " %p id: %s", new_client, new_client->id);
new_client->remote->source =
mainloop_add_fd("pacemaker-remote-client", G_PRIORITY_DEFAULT, csock,
new_client, &lrmd_remote_fd_cb);
return TRUE;
}
static int
cib_remote_listen(gpointer data)
{
int csock = 0;
unsigned laddr;
struct sockaddr_storage addr;
char ipstr[INET6_ADDRSTRLEN];
int ssock = *(int *)data;
int rc;
crm_client_t *new_client = NULL;
static struct mainloop_fd_callbacks remote_client_fd_callbacks = {
.dispatch = cib_remote_msg,
.destroy = cib_remote_connection_destroy,
};
/* accept the connection */
laddr = sizeof(addr);
memset(&addr, 0, sizeof(addr));
csock = accept(ssock, (struct sockaddr *)&addr, &laddr);
if (csock == -1) {
crm_perror(LOG_ERR, "Could not accept socket connection");
return TRUE;
}
crm_sockaddr2str(&addr, ipstr);
crm_debug("New %s connection from %s",
((ssock == remote_tls_fd)? "secure" : "clear-text"), ipstr);
rc = crm_set_nonblocking(csock);
if (rc < 0) {
crm_err("Could not set socket non-blocking: %s " CRM_XS " rc=%d",
pcmk_strerror(rc), rc);
close(csock);
return TRUE;
}
num_clients++;
crm_client_init();
new_client = crm_client_alloc(NULL);
new_client->remote = calloc(1, sizeof(crm_remote_t));
if (ssock == remote_tls_fd) {
#ifdef HAVE_GNUTLS_GNUTLS_H
new_client->kind = CRM_CLIENT_TLS;
/* create gnutls session for the server socket */
new_client->remote->tls_session = pcmk__new_tls_session(csock,
GNUTLS_SERVER,
GNUTLS_CRD_ANON,
anon_cred_s);
if (new_client->remote->tls_session == NULL) {
close(csock);
return TRUE;
}
#endif
} else {
new_client->kind = CRM_CLIENT_TCP;
new_client->remote->tcp_socket = csock;
}
// Require the client to authenticate within this time
new_client->remote->auth_timeout = g_timeout_add(REMOTE_AUTH_TIMEOUT,
remote_auth_timeout_cb,
new_client);
crm_info("Remote CIB client pending authentication "
CRM_XS " %p id: %s", new_client, new_client->id);
new_client->remote->source =
mainloop_add_fd("cib-remote-client", G_PRIORITY_DEFAULT, csock, new_client,
&remote_client_fd_callbacks);
return TRUE;
}