diff --git a/daemons/execd/remoted_tls.c b/daemons/execd/remoted_tls.c
index 0ac7337e07..0df5729016 100644
--- a/daemons/execd/remoted_tls.c
+++ b/daemons/execd/remoted_tls.c
@@ -1,429 +1,441 @@
 /*
  * Copyright 2012-2024 the Pacemaker project contributors
  *
  * The version control history for this file may have further details.
  *
  * This source code is licensed under the GNU Lesser General Public License
  * version 2.1 or later (LGPLv2.1+) WITHOUT ANY WARRANTY.
  */
 
 #include <crm_internal.h>
 
 #include <glib.h>
 #include <unistd.h>
 
 #include <crm/crm.h>
 #include <crm/common/mainloop.h>
 #include <crm/common/xml.h>
 #include <crm/common/remote_internal.h>
 #include <crm/lrmd_internal.h>
 
 #include <netdb.h>
 #include <sys/socket.h>
 #include <netinet/in.h>
 #include <netinet/ip.h>
 #include <arpa/inet.h>
 
 #include "pacemaker-execd.h"
 
 #include <gnutls/gnutls.h>
 
 #define LRMD_REMOTE_AUTH_TIMEOUT 10000
 gnutls_psk_server_credentials_t psk_cred_s;
 gnutls_dh_params_t dh_params;
 static int ssock = -1;
 extern int lrmd_call_id;
 
 static void
 debug_log(int level, const char *str)
 {
     fputs(str, stderr);
 }
 
 /*!
  * \internal
  * \brief Read (more) TLS handshake data from client
  *
  * \param[in,out] client  IPC client doing handshake
  *
  * \return 0 on success or more data needed, -1 on error
  */
 static int
 remoted__read_handshake_data(pcmk__client_t *client)
 {
     int rc = pcmk__read_handshake_data(client);
 
     if (rc == EAGAIN) {
         /* No more data is available at the moment. Just return for now;
          * we'll get invoked again once the client sends more.
          */
         return 0;
     } else if (rc != pcmk_rc_ok) {
         return -1;
     }
 
     if (client->remote->auth_timeout) {
         g_source_remove(client->remote->auth_timeout);
     }
     client->remote->auth_timeout = 0;
 
     pcmk__set_client_flags(client, pcmk__client_tls_handshake_complete);
     crm_notice("Remote client connection accepted");
 
     /* Only a client with access to the TLS key can connect, so we can treat
      * it as privileged.
      */
     pcmk__set_client_flags(client, pcmk__client_privileged);
 
     // Alert other clients of the new connection
     notify_of_new_client(client);
     return 0;
 }
 
 static int
 lrmd_remote_client_msg(gpointer data)
 {
     int id = 0;
-    int rc;
+    int rc = pcmk_rc_ok;
     xmlNode *request = NULL;
     pcmk__client_t *client = data;
 
-    if (!pcmk_is_set(client->flags,
-                     pcmk__client_tls_handshake_complete)) {
+    if (!pcmk_is_set(client->flags, pcmk__client_tls_handshake_complete)) {
         return remoted__read_handshake_data(client);
     }
 
-    switch (pcmk__remote_ready(client->remote, 0)) {
+    rc = pcmk__remote_ready(client->remote, 0);
+    switch (rc) {
         case pcmk_rc_ok:
             break;
-        case ETIME: // No message available to read
+
+        case ETIME:
+            /* No message available to read */
             return 0;
-        default:    // Error
-            crm_info("Remote client disconnected while polling it");
+
+        default:
+            /* Error */
+            crm_info("Error polling remote client: %s", pcmk_rc_str(rc));
             return -1;
     }
 
-    rc = pcmk__read_remote_message(client->remote, -1);
+    rc = pcmk__read_available_remote_data(client->remote);
+    switch (rc) {
+        case pcmk_rc_ok:
+            break;
+
+        case EAGAIN:
+            /* We haven't read the whole message yet */
+            return 0;
+
+        default:
+            /* Error */
+            crm_info("Error reading from remote client: %s", pcmk_rc_str(rc));
+            return -1;
+    }
 
     request = pcmk__remote_message_xml(client->remote);
     while (request) {
         crm_element_value_int(request, PCMK__XA_LRMD_REMOTE_MSG_ID, &id);
         crm_trace("Processing remote client request %d", id);
         if (!client->name) {
             client->name = crm_element_value_copy(request,
                                                   PCMK__XA_LRMD_CLIENTNAME);
         }
 
         lrmd_call_id++;
         if (lrmd_call_id < 1) {
             lrmd_call_id = 1;
         }
 
         crm_xml_add(request, PCMK__XA_LRMD_CLIENTID, client->id);
         crm_xml_add(request, PCMK__XA_LRMD_CLIENTNAME, client->name);
         crm_xml_add_int(request, PCMK__XA_LRMD_CALLID, lrmd_call_id);
 
         process_lrmd_message(client, id, request);
         pcmk__xml_free(request);
 
         /* process all the messages in the current buffer */
         request = pcmk__remote_message_xml(client->remote);
     }
 
-    if (rc == ENOTCONN) {
-        crm_info("Remote client disconnected while reading from it");
-        return -1;
-    }
-
     return 0;
 }
 
 static void
 lrmd_remote_client_destroy(gpointer user_data)
 {
     pcmk__client_t *client = user_data;
 
     if (client == NULL) {
         return;
     }
 
     crm_notice("Cleaning up after remote client %s disconnected",
                pcmk__client_name(client));
 
     ipc_proxy_remove_provider(client);
 
     /* if this is the last remote connection, stop recurring
      * operations */
     if (pcmk__ipc_client_count() == 1) {
         client_disconnect_cleanup(NULL);
     }
 
     if (client->remote->tls_session) {
         void *sock_ptr;
         int csock;
 
         sock_ptr = gnutls_transport_get_ptr(*client->remote->tls_session);
         csock = GPOINTER_TO_INT(sock_ptr);
 
         gnutls_bye(*client->remote->tls_session, GNUTLS_SHUT_RDWR);
         gnutls_deinit(*client->remote->tls_session);
         gnutls_free(client->remote->tls_session);
         client->remote->tls_session = NULL;
         close(csock);
     }
 
     lrmd_client_destroy(client);
     return;
 }
 
 static gboolean
 lrmd_auth_timeout_cb(gpointer data)
 {
     pcmk__client_t *client = data;
 
     client->remote->auth_timeout = 0;
 
     if (pcmk_is_set(client->flags,
                     pcmk__client_tls_handshake_complete)) {
         return FALSE;
     }
 
     mainloop_del_fd(client->remote->source);
     client->remote->source = NULL;
     crm_err("Remote client authentication timed out");
 
     return FALSE;
 }
 
 // Dispatch callback for remote server socket
 static int
 lrmd_remote_listen(gpointer data)
 {
     int csock = -1;
     gnutls_session_t *session = NULL;
     pcmk__client_t *new_client = NULL;
 
     // For client socket
     static struct mainloop_fd_callbacks lrmd_remote_fd_cb = {
         .dispatch = lrmd_remote_client_msg,
         .destroy = lrmd_remote_client_destroy,
     };
 
     CRM_CHECK(ssock >= 0, return TRUE);
 
     if (pcmk__accept_remote_connection(ssock, &csock) != pcmk_rc_ok) {
         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 = pcmk__new_unauth_client(NULL);
     new_client->remote = pcmk__assert_alloc(1, sizeof(pcmk__remote_t));
     pcmk__set_client_flags(new_client, pcmk__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 "
              QB_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 void
 tls_server_dropped(gpointer user_data)
 {
     crm_notice("TLS server session ended");
     return;
 }
 
 // \return 0 on success, -1 on error (gnutls_psk_server_credentials_function)
 static int
 lrmd_tls_server_key_cb(gnutls_session_t session, const char *username, gnutls_datum_t * key)
 {
     return (lrmd__init_remote_key(key) == pcmk_rc_ok)? 0 : -1;
 }
 
 static int
 bind_and_listen(struct addrinfo *addr)
 {
     int optval;
     int fd;
     int rc;
     char buffer[INET6_ADDRSTRLEN] = { 0, };
 
     pcmk__sockaddr2str(addr->ai_addr, buffer);
     crm_trace("Attempting to bind to address %s", buffer);
 
     fd = socket(addr->ai_family, addr->ai_socktype, addr->ai_protocol);
     if (fd < 0) {
         rc = errno;
         crm_err("Listener socket creation failed: %", pcmk_rc_str(rc));
         return -rc;
     }
 
     /* reuse address */
     optval = 1;
     rc = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &optval, sizeof(optval));
     if (rc < 0) {
         rc = errno;
         crm_err("Local address reuse not allowed on %s: %s", buffer, pcmk_rc_str(rc));
         close(fd);
         return -rc;
     }
 
     if (addr->ai_family == AF_INET6) {
         optval = 0;
         rc = setsockopt(fd, IPPROTO_IPV6, IPV6_V6ONLY, &optval, sizeof(optval));
         if (rc < 0) {
             rc = errno;
             crm_err("Couldn't disable IPV6-only on %s: %s", buffer, pcmk_rc_str(rc));
             close(fd);
             return -rc;
         }
     }
 
     if (bind(fd, addr->ai_addr, addr->ai_addrlen) != 0) {
         rc = errno;
         crm_err("Cannot bind to %s: %s", buffer, pcmk_rc_str(rc));
         close(fd);
         return -rc;
     }
 
     if (listen(fd, 10) == -1) {
         rc = errno;
         crm_err("Cannot listen on %s: %s", buffer, pcmk_rc_str(rc));
         close(fd);
         return -rc;
     }
     return fd;
 }
 
 static int
 get_address_info(const char *bind_name, int port, struct addrinfo **res)
 {
     int rc;
     char port_str[6]; // at most "65535"
     struct addrinfo hints;
 
     memset(&hints, 0, sizeof(struct addrinfo));
     hints.ai_flags = AI_PASSIVE;
     hints.ai_family = AF_UNSPEC; // IPv6 or IPv4
     hints.ai_socktype = SOCK_STREAM;
     hints.ai_protocol = IPPROTO_TCP;
 
     snprintf(port_str, sizeof(port_str), "%d", port);
     rc = getaddrinfo(bind_name, port_str, &hints, res);
     rc = pcmk__gaierror2rc(rc);
 
     if (rc != pcmk_rc_ok) {
         crm_err("Unable to get IP address(es) for %s: %s",
                 (bind_name? bind_name : "local node"), pcmk_rc_str(rc));
         return rc;
     }
 
     return pcmk_rc_ok;
 }
 
 int
 lrmd_init_remote_tls_server(void)
 {
     int filter;
     int port = crm_default_remote_port();
     struct addrinfo *res = NULL, *iter;
     gnutls_datum_t psk_key = { NULL, 0 };
     const char *bind_name = pcmk__env_option(PCMK__ENV_REMOTE_ADDRESS);
 
     static struct mainloop_fd_callbacks remote_listen_fd_callbacks = {
         .dispatch = lrmd_remote_listen,
         .destroy = tls_server_dropped,
     };
 
     CRM_CHECK(ssock == -1, return ssock);
 
     crm_debug("Starting TLS listener on %s port %d",
               (bind_name? bind_name : "all addresses on"), port);
     crm_gnutls_global_init();
     gnutls_global_set_log_function(debug_log);
 
     if (pcmk__init_tls_dh(&dh_params) != pcmk_rc_ok) {
         return -1;
     }
     gnutls_psk_allocate_server_credentials(&psk_cred_s);
     gnutls_psk_set_server_credentials_function(psk_cred_s, lrmd_tls_server_key_cb);
     gnutls_psk_set_server_dh_params(psk_cred_s, dh_params);
 
     /* The key callback won't get called until the first client connection
      * attempt. Do it once here, so we can warn the user at start-up if we can't
      * read the key. We don't error out, though, because it's fine if the key is
      * going to be added later.
      */
     if (lrmd__init_remote_key(&psk_key) != pcmk_rc_ok) {
         crm_warn("A cluster connection will not be possible until the key is available");
     }
     gnutls_free(psk_key.data);
 
     if (get_address_info(bind_name, port, &res) != pcmk_rc_ok) {
         return -1;
     }
 
     /* Currently we listen on only one address from the resulting list (the
      * first IPv6 address we can bind to if possible, otherwise the first IPv4
      * address we can bind to). When bind_name is NULL, this should be the
      * respective wildcard address.
      *
      * @TODO If there is demand for specifying more than one address, allow
      * bind_name to be a space-separated list, call getaddrinfo() for each,
      * and create a socket for each result (set IPV6_V6ONLY on IPv6 sockets
      * since IPv4 listeners will have their own sockets).
      */
     iter = res;
     filter = AF_INET6;
     while (iter) {
         if (iter->ai_family == filter) {
             ssock = bind_and_listen(iter);
         }
         if (ssock >= 0) {
             break;
         }
 
         iter = iter->ai_next;
         if (iter == NULL && filter == AF_INET6) {
             iter = res;
             filter = AF_INET;
         }
     }
 
     if (ssock >= 0) {
         mainloop_add_fd("pacemaker-remote-server", G_PRIORITY_DEFAULT, ssock,
                         NULL, &remote_listen_fd_callbacks);
         crm_debug("Started TLS listener on %s port %d",
                   (bind_name? bind_name : "all addresses on"), port);
     }
     freeaddrinfo(res);
     return ssock;
 }
 
 void
 execd_stop_tls_server(void)
 {
     if (psk_cred_s) {
         gnutls_psk_free_server_credentials(psk_cred_s);
         psk_cred_s = 0;
     }
 
     if (ssock >= 0) {
         close(ssock);
         ssock = -1;
     }
 }