trp/trp_upd.c
trp/trpc.c
trp/trps.c include/tr_name_internal.h mon/mon_req.c mon/mon_req_encode.c mon/mon_req_decode.c
- mon/mon_resp.c mon/mon_common.c mon/mon_resp_encode.c tr/tr_mon.c mon/mons.c include/tr_socket.h)
+ mon/mon_resp.c mon/mon_common.c mon/mon_resp_encode.c tr/tr_mon.c mon/mons.c include/tr_socket.h common/tr_gss.c include/tr_gss.h)
# Does not actually build!
add_executable(trust_router ${SOURCE_FILES})
tr/tr_cfgwatch.c \
tr/tr_tid.c \
tr/tr_trp.c \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs) \
$(common_srcs)
tr_trust_router_LDADD = gsscon/libgsscon.la $(GLIB_LIBS)
tr_trpc_SOURCES =tr/trpc_main.c \
tr/tr_trp.c \
+common/tr_gss.c \
$(trp_srcs) \
$(tid_srcs) \
$(common_srcs)
trp_test_rtbl_test_LDADD = $(GLIB_LIBS)
trp_test_ptbl_test_SOURCES = trp/test/ptbl_test.c \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs) \
$(common_srcs)
trp_test_ptbl_test_LDFLAGS = $(AM_LDFLAGS) -pthread
tid_example_tidc_SOURCES = tid/example/tidc_main.c \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs) \
$(common_srcs)
tid_example_tidc_LDFLAGS = $(AM_LDFLAGS) -pthread
tid_example_tids_SOURCES = tid/example/tids_main.c \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs) \
$(common_srcs)
common_tests_cfg_test_SOURCES = common/tests/cfg_test.c \
$(common_srcs) \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs)
common_tests_cfg_test_LDADD = gsscon/libgsscon.la $(GLIB_LIBS)
common_tests_commtest_SOURCES = common/tests/commtest.c \
$(common_srcs) \
+common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs)
common_tests_commtest_LDADD = gsscon/libgsscon.la $(GLIB_LIBS)
common_tests_name_test_SOURCES = common/tests/name_test.c \
$(common_srcs) \
+ common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs)
common_tests_name_test_LDADD = gsscon/libgsscon.la $(GLIB_LIBS)
common_tests_filt_test_SOURCES = common/tests/filt_test.c \
$(common_srcs) \
+ common/tr_gss.c \
$(tid_srcs) \
$(trp_srcs)
common_tests_filt_test_LDADD = gsscon/libgsscon.la $(GLIB_LIBS)
include/tr_cfgwatch.h include/tr_event.h \
include/tr_mq.h include/trp_ptable.h \
include/trp_rtable.h include/tr_util.h \
- include/tr_name_internal.h
+ include/tr_name_internal.h include/tr_gss.h
pkgdata_DATA=schema.sql
nobase_dist_pkgdata_DATA=redhat/init redhat/sysconfig redhat/organizations.cfg redhat/tidc-wrapper redhat/trust_router-wrapper redhat/tr-test-internal.cfg redhat/default-internal.cfg redhat/tids-wrapper redhat/sysconfig.tids
#include <tr_cfgwatch.h>
#include <tr_comm.h>
#include <tr_config.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <tr_debug.h>
#include <tr_filter.h>
#include <trust_router/tr_constraint.h>
--- /dev/null
+/*
+ * Copyright (c) 2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <talloc.h>
+#include <gssapi.h>
+#include <string.h>
+
+#include <tr_msg.h>
+#include <tr_debug.h>
+#include <gsscon.h>
+#include <tr_gss.h>
+
+
+/**
+ * Callback to handle GSS authentication and authorization
+ *
+ * @param conn connection file descriptor
+ * @param acceptor_name name of acceptor to present to initiator
+ * @param acceptor_realm realm of acceptor to present to initiator
+ * @param gssctx GSS context
+ * @param auth_cb authorization callback
+ * @param auth_cookie generic data to pass to the authorization callback
+ * @return 0 on successful auth, 1 on disallowed auth, -1 on error
+ */
+static int tr_gss_auth_connection(int conn,
+ const char *acceptor_name,
+ const char *acceptor_realm,
+ gss_ctx_id_t *gssctx,
+ TR_GSS_AUTH_FN auth_cb,
+ void *auth_cookie)
+{
+ int rc = 0;
+ int auth, autherr = 0;
+ gss_buffer_desc nameBuffer = {0, NULL};
+
+ nameBuffer.value = talloc_asprintf(NULL, "%s@%s", acceptor_name, acceptor_realm);
+ if (nameBuffer.value == NULL) {
+ tr_err("tr_gss_auth_connection: Error allocating acceptor name.");
+ return -1;
+ }
+ nameBuffer.length = strlen(nameBuffer.value);
+
+ rc = gsscon_passive_authenticate(conn, nameBuffer, gssctx, auth_cb, auth_cookie);
+ talloc_free(nameBuffer.value);
+ if (rc) {
+ tr_debug("tr_gss_auth_connection: Error from gsscon_passive_authenticate(), rc = %d.", rc);
+ return -1;
+ }
+
+ rc = gsscon_authorize(*gssctx, &auth, &autherr);
+ if (rc) {
+ tr_debug("tr_gss_auth_connection: Error from gsscon_authorize, rc = %d, autherr = %d.",
+ rc, autherr);
+ return -1;
+ }
+
+ if (auth)
+ tr_debug("tr_gss_auth_connection: Connection authenticated, conn = %d.", conn);
+ else
+ tr_debug("tr_gss_auth_connection: Authentication failed, conn %d.", conn);
+
+ return !auth;
+}
+
+/**
+ * Read a request from the GSS connection
+ *
+ * @param mem_ctx talloc context for the result
+ * @param conn file descriptor for the connection
+ * @param gssctx GSS context
+ * @return talloc'ed string containing the request, or null on error
+ */
+static char *tr_gss_read_req(TALLOC_CTX *mem_ctx, int conn, gss_ctx_id_t gssctx)
+{
+ int err;
+ char *retval = NULL;
+ char *buf = NULL;
+ size_t buflen = 0;
+
+ err = gsscon_read_encrypted_token(conn, gssctx, &buf, &buflen);
+ if (err || (buf == NULL)) {
+ if (buf)
+ free(buf);
+ tr_debug("tr_gss_read_req: Error reading from connection, rc=%d", err);
+ return NULL;
+ }
+
+ tr_debug("tr_gss_read_req: Read %u bytes.", (unsigned) buflen);
+
+ // get a talloc'ed version, guaranteed to have a null termination
+ retval = talloc_asprintf(mem_ctx, "%.*s", (int) buflen, buf);
+ free(buf);
+
+ return retval;
+}
+
+/**
+ * Write a response to the GSS connection
+ *
+ * @param conn file descriptor for the connection
+ * @param gssctx GSS context
+ * @param resp encoded response string to send
+ * @return 0 on success, -1 on error
+ */
+static int tr_gss_write_resp(int conn, gss_ctx_id_t gssctx, const char *resp)
+{
+ int err = 0;
+
+ /* Send the response over the connection */
+ err = gsscon_write_encrypted_token (conn, gssctx, resp, strlen(resp) + 1);
+ if (err) {
+ tr_debug("tr_gss_send_response: Error sending response over connection, rc=%d.", err);
+ return -1;
+ }
+ return 0;
+}
+
+/**
+ * Handle a request/response connection
+ *
+ * Authorizes/authenticates the connection, then reads a response, passes that to a
+ * callback to get a response, sends that, then returns.
+ *
+ * @param conn connection file descriptor
+ * @param acceptor_name acceptor name to present
+ * @param acceptor_realm acceptor realm to present
+ * @param auth_cb callback for authorization
+ * @param auth_cookie cookie for the auth_cb
+ * @param req_cb callback to handle the request and produce the response
+ * @param req_cookie cookie for the req_cb
+ */
+void tr_gss_handle_connection(int conn,
+ const char *acceptor_name,
+ const char *acceptor_realm,
+ TR_GSS_AUTH_FN auth_cb,
+ void *auth_cookie,
+ TR_GSS_HANDLE_REQ_FN req_cb,
+ void *req_cookie)
+{
+ TALLOC_CTX *tmp_ctx = talloc_new(NULL);
+ gss_ctx_id_t gssctx = GSS_C_NO_CONTEXT;
+ char *req_str = NULL;
+ char *resp_str = NULL;
+
+ if (tr_gss_auth_connection(conn,
+ acceptor_name,
+ acceptor_realm,
+ &gssctx,
+ auth_cb,
+ auth_cookie)) {
+ tr_notice("tr_gss_handle_connection: Error authorizing connection.");
+ goto cleanup;
+ }
+
+ tr_debug("tr_gss_handle_connection: Connection authorized");
+
+ // TODO: should there be a timeout on this?
+ while (1) { /* continue until an error breaks us out */
+ // try to read a request
+ req_str = tr_gss_read_req(tmp_ctx, conn, gssctx);
+
+ if ( req_str == NULL) {
+ // an error occurred, give up
+ tr_notice("tr_gss_handle_connection: Error reading request");
+ goto cleanup;
+ } else if (strlen(req_str) > 0) {
+ // we got a request message, exit the loop and process it
+ break;
+ }
+
+ // no error, but no message, keep waiting for one
+ talloc_free(req_str); // this would be cleaned up anyway, but may as well free it
+ }
+
+ /* Hand off the request for processing and get the response */
+ resp_str = req_cb(tmp_ctx, req_str, req_cookie);
+
+ if (resp_str == NULL) {
+ // no response, clean up
+ goto cleanup;
+ }
+
+ // send the response
+ if (tr_gss_write_resp(conn, gssctx, resp_str)) {
+ tr_notice("tr_gss_handle_connection: Error writing response");
+ }
+
+cleanup:
+ talloc_free(tmp_ctx);
+}
return req;
}
-char *tr_msg_encode(TR_MSG *msg)
+char *tr_msg_encode(TALLOC_CTX *mem_ctx, TR_MSG *msg)
{
json_t *jmsg=NULL;
json_t *jmsg_type=NULL;
+ char *encoded_tmp=NULL;
char *encoded=NULL;
TID_RESP *tidresp=NULL;
TID_REQ *tidreq=NULL;
return NULL;
}
- encoded=json_dumps(jmsg, 0);
+ /* We should perhaps use json_set_alloc_funcs to automatically use talloc, but for
+ * now, we'll encode to a malloc'ed buffer, then copy that to a talloc'ed buffer. */
+ encoded_tmp=json_dumps(jmsg, 0); // malloc'ed version
+ json_decref(jmsg); // free the JSON structure
+ encoded = talloc_strdup(mem_ctx, encoded_tmp); // get the talloc'ed version
+ free(encoded_tmp); // free the malloc'ed version
+
tr_debug("tr_msg_encode: outgoing msg=%s", encoded);
- json_decref(jmsg);
return encoded;
}
#include <tr.h>
#include <tr_name_internal.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <tr_config.h>
#include <tr_rp.h>
#include <tr_debug.h>
#include <stdlib.h>
#include <unistd.h>
#include <netdb.h>
+#include <poll.h> // for nfds_t
#include <tr_debug.h>
#include <tr_socket.h>
* @param max_fd maximum number of file descriptors to write
* @return number of file descriptors written into the output array
*/
-ssize_t listen_on_all_addrs(unsigned int port, int *fd_out, size_t max_fd)
+nfds_t tr_sock_listen_all(unsigned int port, int *fd_out, nfds_t max_fd)
{
int rc = 0;
int conn = -1;
.ai_protocol=IPPROTO_TCP
};
char *port_str=NULL;
- size_t n_opened=0;
+ nfds_t n_opened=0;
port_str=talloc_asprintf(NULL, "%d", port);
if (port_str==NULL) {
- tr_err("listen_on_all_addrs: unable to allocate port");
- return -1;
+ tr_err("tr_sock_listen_all: unable to allocate port");
+ return 0;
}
gai_retval = getaddrinfo(NULL, port_str, &hints, &ai_head);
talloc_free(port_str);
if (gai_retval != 0) {
- tr_err("listen_on_all_addrs: getaddrinfo() failed (%s)", gai_strerror(gai_retval));
- return -1;
+ tr_err("tr_sock_listen_all: getaddrinfo() failed (%s)", gai_strerror(gai_retval));
+ return 0;
}
- tr_debug("listen_on_all_addrs: got address info");
+ tr_debug("tr_sock_listen_all: got address info");
/* TODO: listen on all ports - I don't recall what this means (jlr, 4/11/2018) */
for (ai=ai_head,n_opened=0; (ai!=NULL)&&(n_opened<max_fd); ai=ai->ai_next) {
if (0 > (conn = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol))) {
- tr_debug("listen_on_all_addrs: unable to open socket");
+ tr_debug("tr_sock_listen_all: unable to open socket");
continue;
}
/* don't allow IPv4-mapped IPv6 addresses (per RFC4942, not sure
* if still relevant) */
if (0!=setsockopt(conn, IPPROTO_IPV6, IPV6_V6ONLY, &optval, sizeof(optval))) {
- tr_debug("listen_on_all_addrs: unable to set IPV6_V6ONLY, skipping interface");
+ tr_debug("tr_sock_listen_all: unable to set IPV6_V6ONLY, skipping interface");
close(conn);
continue;
}
rc=bind(conn, ai->ai_addr, ai->ai_addrlen);
if (rc<0) {
- tr_debug("listen_on_all_addrs: unable to bind to socket");
+ tr_debug("tr_sock_listen_all: unable to bind to socket");
close(conn);
continue;
}
if (0>listen(conn, 512)) {
- tr_debug("listen_on_all_addrs: unable to listen on bound socket");
+ tr_debug("tr_sock_listen_all: unable to listen on bound socket");
close(conn);
continue;
}
freeaddrinfo(ai_head);
if (n_opened==0) {
- tr_debug("listen_on_all_addrs: no addresses available for listening.");
- return -1;
+ tr_debug("tr_sock_listen_all: no addresses available for listening.");
+ return 0;
}
- tr_debug("listen_on_all_addrs: monitoring interface listening on port %d on %d socket%s",
+ tr_debug("tr_sock_listen_all: monitoring interface listening on port %d on %d socket%s",
port,
n_opened,
(n_opened==1)?"":"s");
return n_opened;
}
+
#define TRUST_ROUTER_MON_REQ_H
#include <talloc.h>
+#include <stdint.h>
#include <jansson.h>
#include <gmodule.h>
+
+#include <tr.h>
+#include <tr_gss_names.h>
#include <tr_name_internal.h>
+#include <gssapi.h>
/* Typedefs */
typedef struct mon_req MON_REQ;
typedef enum mon_rc MON_RC;
+typedef struct mons_instance MONS_INSTANCE;
+
+typedef int (MONS_REQ_FUNC)(MONS_INSTANCE *, MON_REQ *, MON_RESP *, void *);
+typedef int (MONS_AUTH_FUNC)(gss_name_t client_name, TR_NAME *display_name, void *cookie);
/* Struct and enum definitions */
enum mon_rc {
json_t *payload;
};
+/* Monitoring server instance */
+struct mons_instance {
+ unsigned int port;
+ TR_GSS_NAMES *authorized_gss_names;
+ MONS_REQ_FUNC *req_handler;
+ MONS_AUTH_FUNC *auth_handler;
+ void *cookie;
+};
+
/* Prototypes */
/* tr_mon.c */
const char *mon_cmd_to_string(MON_CMD cmd);
/* mon_resp_encode.c */
json_t *mon_resp_encode(MON_RESP *resp);
+/* mons.c */
+MONS_INSTANCE *mons_new(TALLOC_CTX *mem_ctx);
+int mons_get_listener(MONS_INSTANCE *mons, MONS_REQ_FUNC *req_handler, MONS_AUTH_FUNC *auth_handler, unsigned int port,
+ void *cookie, int *fd_out, size_t max_fd);
+
#endif //TRUST_ROUTER_MON_REQ_H
TIDS_REQ_FUNC *req_handler;
tids_auth_func *auth_handler;
void *cookie;
- uint16_t tids_port;
+ unsigned int tids_port;
TR_NAME *gss_name; /* GSS name client used for authentication */
};
unsigned int max_tree_depth;
unsigned int tids_port;
unsigned int trps_port;
+ unsigned int monitoring_port;
const char *hostname;
int log_threshold;
int console_threshold;
/* struct for hanging on to a socket listener event */
struct tr_socket_event {
- size_t n_sock_fd; /* how many of those are filled in? */
+ int n_sock_fd; /* how many of those are filled in? */
int sock_fd[TR_MAX_SOCKETS]; /* the fd for the socket */
struct event *ev[TR_MAX_SOCKETS]; /* its events */
};
--- /dev/null
+/*
+ * Copyright (c) 2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef TRUST_ROUTER_TR_GSS_H
+#define TRUST_ROUTER_TR_GSS_H
+
+#include <tr_msg.h>
+
+typedef int (TR_GSS_AUTH_FN)(gss_name_t, gss_buffer_t, void *);
+typedef char *(TR_GSS_HANDLE_REQ_FN)(TALLOC_CTX *, const char *, void *);
+
+void tr_gss_handle_connection(int conn, const char *acceptor_name, const char *acceptor_realm, TR_GSS_AUTH_FN auth_cb,
+ void *auth_cookie, TR_GSS_HANDLE_REQ_FN req_cb, void *req_cookie);
+
+#endif //TRUST_ROUTER_TR_GSS_H
/* Encoders/Decoders */
-char *tr_msg_encode(TR_MSG *msg);
+char *tr_msg_encode(TALLOC_CTX *mem_ctx, TR_MSG *msg);
TR_MSG *tr_msg_decode(const char *jmsg, size_t len);
void tr_msg_free_encoded(char *jmsg);
void tr_msg_free_decoded(TR_MSG *msg);
#include <talloc.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <tr_filter.h>
typedef struct tr_rp_client {
#define TRUST_ROUTER_TR_SOCKET_H
#include <stdlib.h>
+#include <poll.h> // for nfds_t
-ssize_t listen_on_all_addrs(unsigned int port, int *fd_out, size_t max_fd);
+nfds_t tr_sock_listen_all(unsigned int port, int *fd_out, nfds_t max_fd);
#endif //TRUST_ROUTER_TR_SOCKET_H
#include <tr_config.h>
#include <tr_cfgwatch.h>
#include <tr_event.h>
+#include <mon_internal.h>
typedef struct tr_trps_events {
struct event *trps_ev;
TR_CFG_MGR *cfg_mgr;
TIDS_INSTANCE *tids;
TRPS_INSTANCE *trps;
+ MONS_INSTANCE *mons;
TR_CFGWATCH *cfgwatch;
TR_TRPS_EVENTS *events;
};
#include <talloc.h>
#include <tr_name_internal.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <trust_router/trp.h>
#include <tr_filter.h>
TR_EXPORT void tidc_destroy(TIDC_INSTANCE *tidc);
/* TID Server functions, in tid/tids.c */
+TIDS_INSTANCE *tids_new(TALLOC_CTX *mem_ctx);
TR_EXPORT TIDS_INSTANCE *tids_create (void);
TR_EXPORT int tids_start (TIDS_INSTANCE *tids, TIDS_REQ_FUNC *req_handler,
tids_auth_func *auth_handler, const char *hostname,
unsigned int port, void *cookie);
TR_EXPORT int tids_get_listener (TIDS_INSTANCE *tids, TIDS_REQ_FUNC *req_handler,
- tids_auth_func *auth_handler, const char *hostname,
+ tids_auth_func *auth_handler, const char *hostname,
unsigned int port, void *cookie, int *fd_out, size_t max_fd);
-TR_EXPORT int tids_accept(TIDS_INSTANCE *tids, int listen);
+TR_EXPORT int tids_accept(TIDS_INSTANCE *mons, int listen);
TR_EXPORT int tids_send_response (TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp);
TR_EXPORT int tids_send_err_response (TIDS_INSTANCE *tids, TID_REQ *req, const char *err_msg);
TR_EXPORT void tids_destroy (TIDS_INSTANCE *tids);
--- /dev/null
+/*
+ * Copyright (c) 2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <talloc.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <netdb.h>
+
+#include <tr.h>
+#include <tr_debug.h>
+#include <mon_internal.h>
+#include <tr_socket.h>
+#include <sys/wait.h>
+
+/**
+ * Allocate a new MONS_INSTANCE
+ *
+ * @param mem_ctx talloc context for allocation
+ * @return new MONS_INSTANCE or null on failure
+ */
+MONS_INSTANCE *mons_new(TALLOC_CTX *mem_ctx)
+{
+ MONS_INSTANCE *mons = talloc(mem_ctx, MONS_INSTANCE);
+
+ if (mons) {
+ mons->port = 0;
+ mons->req_handler = NULL;
+ mons->auth_handler = NULL;
+ mons->cookie = NULL;
+ mons->authorized_gss_names = tr_gss_names_new(mons);
+ if (mons->authorized_gss_names == NULL) {
+ talloc_free(mons);
+ mons = NULL;
+ }
+ }
+ return mons;
+}
+
+/**
+ * Create a listener for monitoring requests
+ *
+ * Accept connections with mons_accept()
+ *
+ * @param mons monitoring server instance
+ * @param req_handler
+ * @param auth_handler
+ * @param hostname
+ * @param port
+ * @param cookie
+ * @param fd_out
+ * @param max_fd
+ * @return
+ */
+int mons_get_listener(MONS_INSTANCE *mons,
+ MONS_REQ_FUNC *req_handler,
+ MONS_AUTH_FUNC *auth_handler,
+ unsigned int port,
+ void *cookie,
+ int *fd_out,
+ size_t max_fd)
+{
+ size_t n_fd=0;
+ size_t ii=0;
+
+ mons->port = port;
+ n_fd = tr_sock_listen_all(port, fd_out, max_fd);
+ if (n_fd<=0)
+ tr_err("mons_get_listener: Error opening port %d");
+ else {
+ /* opening port succeeded */
+ tr_info("mons_get_listener: Opened port %d.", port);
+
+ /* make this socket non-blocking */
+ for (ii=0; ii<n_fd; ii++) {
+ if (0 != fcntl(fd_out[ii], F_SETFL, O_NONBLOCK)) {
+ tr_err("mons_get_listener: Error setting O_NONBLOCK.");
+ for (ii=0; ii<n_fd; ii++) {
+ close(fd_out[ii]);
+ fd_out[ii]=-1;
+ }
+ n_fd=0;
+ break;
+ }
+ }
+ }
+
+ if (n_fd>0) {
+ /* store the caller's request handler & cookie */
+ mons->req_handler = req_handler;
+ mons->auth_handler = auth_handler;
+ mons->cookie = cookie;
+ }
+
+ return (int) n_fd;
+}
+
+/**
+ * Accept and process a connection on a port opened with mons_get_listener()
+ *
+ * @param mons monitoring interface instance
+ * @param listen FD of the connection socket
+ * @return 0 on success
+ */
+int mons_accept(MONS_INSTANCE *mons, int listen)
+{
+ int conn=-1;
+ int pid=-1;
+
+ if (0 > (conn = accept(listen, NULL, NULL))) {
+ perror("Error from monitoring interface accept()");
+ return 1;
+ }
+
+ if (0 > (pid = fork())) {
+ perror("Error on fork()");
+ return 1;
+ }
+
+ if (pid == 0) {
+ close(listen);
+ mons_handle_connection(mons, conn);
+ close(conn);
+ exit(0); /* exit to kill forked child process */
+ } else {
+ close(conn);
+ }
+
+ /* clean up any processes that have completed */
+ while (waitpid(-1, 0, WNOHANG) > 0);
+
+ return 0;
+}
/* Encode the request into a json string */
- if (!(req_buf = tr_msg_encode(msg))) {
+ if (!(req_buf = tr_msg_encode(NULL, msg))) {
tr_err("tidc_fwd_request: Error encoding TID request.\n");
goto error;
}
#include <tr_debug.h>
#include <tr_msg.h>
#include <tr_socket.h>
+#include <tr_gss.h>
+#include <tr_event.h>
-static TID_RESP *tids_create_response (TIDS_INSTANCE *tids, TID_REQ *req)
+static TID_RESP *tids_create_response(TALLOC_CTX *mem_ctx, TIDS_INSTANCE *tids, TID_REQ *req)
{
TID_RESP *resp=NULL;
int success=0;
- if (NULL == (resp = tid_resp_new(req))) {
+ if (NULL == (resp = tid_resp_new(mem_ctx))) {
tr_crit("tids_create_response: Error allocating response structure.");
return NULL;
}
void *data)
{
struct tids_instance *inst = (struct tids_instance *) data;
- TR_NAME name ={(char *) displayName->value,
- displayName->length};
+ TR_NAME name ={(char *) displayName->value, (int) displayName->length};
int result=0;
if (0!=inst->auth_handler(clientName, &name, inst->cookie)) {
return result;
}
-/* returns 0 on authorization success, 1 on failure, or -1 in case of error */
-static int tids_auth_connection (TIDS_INSTANCE *inst,
- int conn,
- gss_ctx_id_t *gssctx)
-{
- int rc = 0;
- int auth, autherr = 0;
- gss_buffer_desc nameBuffer = {0, NULL};
- char *name = 0;
- int nameLen = 0;
-
- nameLen = asprintf(&name, "trustidentity@%s", inst->hostname);
- nameBuffer.length = nameLen;
- nameBuffer.value = name;
-
- if (rc = gsscon_passive_authenticate(conn, nameBuffer, gssctx, tids_auth_cb, inst)) {
- tr_debug("tids_auth_connection: Error from gsscon_passive_authenticate(), rc = %d.", rc);
- free(name);
- return -1;
- }
- free(name);
- nameBuffer.value=NULL; nameBuffer.length=0;
-
- if (rc = gsscon_authorize(*gssctx, &auth, &autherr)) {
- tr_debug("tids_auth_connection: Error from gsscon_authorize, rc = %d, autherr = %d.",
- rc, autherr);
- return -1;
- }
-
- if (auth)
- tr_debug("tids_auth_connection: Connection authenticated, conn = %d.", conn);
- else
- tr_debug("tids_auth_connection: Authentication failed, conn %d.", conn);
-
- return !auth;
-}
-
-static int tids_read_request (TIDS_INSTANCE *tids, int conn, gss_ctx_id_t *gssctx, TR_MSG **mreq)
-{
- int err;
- char *buf;
- size_t buflen = 0;
-
- if (err = gsscon_read_encrypted_token(conn, *gssctx, &buf, &buflen)) {
- if (buf)
- free(buf);
- return -1;
- }
-
- tr_debug("tids_read_request():Request Received, %u bytes.", (unsigned) buflen);
-
- /* Parse request */
- if (NULL == ((*mreq) = tr_msg_decode(buf, buflen))) {
- tr_debug("tids_read_request():Error decoding request.");
- free (buf);
- return -1;
- }
-
- /* If this isn't a TID Request, just drop it. */
- if (TID_REQUEST != (*mreq)->msg_type) {
- tr_debug("tids_read_request(): Not a TID Request, dropped.");
- return -1;
- }
-
- free (buf);
- return buflen;
-}
-
-static int tids_handle_request (TIDS_INSTANCE *tids, TR_MSG *mreq, TID_RESP *resp)
+static int tids_handle_request(TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp)
{
int rc=-1;
/* Check that this is a valid TID Request. If not, send an error return. */
- if ((!tr_msg_get_req(mreq)) ||
- (!tr_msg_get_req(mreq)->rp_realm) ||
- (!tr_msg_get_req(mreq)->realm) ||
- (!tr_msg_get_req(mreq)->comm)) {
+ if ((!req) ||
+ (!(req->rp_realm)) ||
+ (!(req->realm)) ||
+ (!(req->comm))) {
tr_notice("tids_handle_request(): Not a valid TID Request.");
resp->result = TID_ERROR;
resp->err_msg = tr_new_name("Bad request format");
}
tr_debug("tids_handle_request: adding self to req path.");
- tid_req_add_path(tr_msg_get_req(mreq), tids->hostname, tids->tids_port);
+ tid_req_add_path(req, tids->hostname, tids->tids_port);
/* Call the caller's request handler */
/* TBD -- Handle different error returns/msgs */
- if (0 > (rc = (*tids->req_handler)(tids, tr_msg_get_req(mreq), resp, tids->cookie))) {
+ if (0 > (rc = (*tids->req_handler)(tids, req, resp, tids->cookie))) {
/* set-up an error response */
tr_debug("tids_handle_request: req_handler returned error.");
resp->result = TID_ERROR;
return rc;
}
+/**
+ * Produces a JSON-encoded msg containing the TID response
+ *
+ * @param mem_ctx talloc context for the return value
+ * @param tids TIDS_INSTANCE handling the request
+ * @param req incoming request
+ * @param resp outgoing response
+ * @return JSON-encoded message containing the TID response
+ */
+static char *tids_encode_response(TALLOC_CTX *mem_ctx, TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp)
+{
+ TR_MSG mresp;
+ char *resp_buf = NULL;
+
+ /* Construct the response message */
+ mresp.msg_type = TID_RESPONSE;
+ tr_msg_set_resp(&mresp, resp);
+
+ /* Encode the message to JSON */
+ resp_buf = tr_msg_encode(mem_ctx, &mresp);
+ if (resp_buf == NULL) {
+ tr_err("tids_encode_response: Error encoding json response.");
+ return NULL;
+ }
+ tr_debug("tids_encode_response: Encoded response: %s", resp_buf);
+
+ /* Success */
+ return resp_buf;
+}
+
+/**
+ * Encode/send an error response
+ *
+ * Part of the public interface
+ *
+ * @param tids
+ * @param req
+ * @param err_msg
+ * @return
+ */
int tids_send_err_response (TIDS_INSTANCE *tids, TID_REQ *req, const char *err_msg) {
TID_RESP *resp = NULL;
int rc = 0;
+ if ((!tids) || (!req) || (!err_msg)) {
+ tr_debug("tids_send_err_response: Invalid parameters.");
+ return -1;
+ }
+
/* If we already sent a response, don't send another no matter what. */
if (req->resp_sent)
return 0;
- if (NULL == (resp = tids_create_response(tids, req))) {
+ if (NULL == (resp = tids_create_response(req, tids, req))) {
tr_crit("tids_send_err_response: Can't create response.");
return -1;
}
-
+
/* mark this as an error response, and include the error message */
resp->result = TID_ERROR;
resp->err_msg = tr_new_name((char *)err_msg);
resp->error_path = req->path;
rc = tids_send_response(tids, req, resp);
-
+
tid_resp_free(resp);
return rc;
}
+/**
+ * Encode/send a response
+ *
+ * Part of the public interface
+ *
+ * @param tids
+ * @param req
+ * @param resp
+ * @return
+ */
int tids_send_response (TIDS_INSTANCE *tids, TID_REQ *req, TID_RESP *resp)
{
int err;
- TR_MSG mresp;
char *resp_buf;
- if ((!tids) || (!req) || (!resp))
+ if ((!tids) || (!req) || (!resp)) {
tr_debug("tids_send_response: Invalid parameters.");
+ return -1;
+ }
/* Never send a second response if we already sent one. */
if (req->resp_sent)
return 0;
- mresp.msg_type = TID_RESPONSE;
- tr_msg_set_resp(&mresp, resp);
-
- if (NULL == (resp_buf = tr_msg_encode(&mresp))) {
-
+ resp_buf = tids_encode_response(NULL, tids, req, resp);
+ if (resp_buf == NULL) {
tr_err("tids_send_response: Error encoding json response.");
tr_audit_req(req);
-
return -1;
}
tr_audit_resp(resp);
/* Send the response over the connection */
- if (err = gsscon_write_encrypted_token (req->conn, req->gssctx, resp_buf,
- strlen(resp_buf) + 1)) {
+ err = gsscon_write_encrypted_token (req->conn, req->gssctx, resp_buf,
+ strlen(resp_buf) + 1);
+ if (err) {
tr_notice("tids_send_response: Error sending response over connection.");
-
tr_audit_req(req);
-
return -1;
}
return 0;
}
-static void tids_handle_connection (TIDS_INSTANCE *tids, int conn)
+/**
+ * Callback to process a request and produce a response
+ *
+ * @param req_str JSON-encoded request
+ * @param data pointer to a TIDS_INSTANCE
+ * @return pointer to the response string or null to send no response
+ */
+static char *tids_req_cb(TALLOC_CTX *mem_ctx, const char *req_str, void *data)
{
+ TIDS_INSTANCE *tids = talloc_get_type_abort(data, TIDS_INSTANCE);
TR_MSG *mreq = NULL;
+ TID_REQ *req = NULL;
TID_RESP *resp = NULL;
+ char *resp_str = NULL;
int rc = 0;
- gss_ctx_id_t gssctx = GSS_C_NO_CONTEXT;
- if (tids_auth_connection(tids, conn, &gssctx)) {
- tr_notice("tids_handle_connection: Error authorizing TID Server connection.");
- close(conn);
- return;
+ mreq = tr_msg_decode(req_str, strlen(req_str)); // allocates memory on success!
+ if (mreq == NULL) {
+ tr_debug("tids_req_cb: Error decoding request.");
+ return NULL;
}
- tr_debug("tids_handle_connection: Connection authorized!");
+ /* If this isn't a TID Request, just drop it. */
+ if (mreq->msg_type != TID_REQUEST) {
+ tr_msg_free_decoded(mreq);
+ tr_debug("tids_req_cb: Not a TID request, dropped.");
+ return NULL;
+ }
- while (1) { /* continue until an error breaks us out */
+ /* Get a handle on the request itself. Don't free req - it belongs to mreq */
+ req = tr_msg_get_req(mreq);
+
+ /* Allocate a response structure and populate common fields. The resp is in req's talloc context,
+ * which will be cleaned up when mreq is freed. */
+ resp = tids_create_response(req, tids, req);
+ if (resp == NULL) {
+ /* If we were unable to create a response, we cannot reply. Log an
+ * error if we can, then drop the request. */
+ tr_msg_free_decoded(mreq);
+ tr_crit("tids_req_cb: Error creating response structure.");
+ return NULL;
+ }
- if (0 > (rc = tids_read_request(tids, conn, &gssctx, &mreq))) {
- tr_debug("tids_handle_connection: Error from tids_read_request(), rc = %d.", rc);
- return;
- } else if (0 == rc) {
- continue;
- }
+ /* Handle the request and fill in resp */
+ rc = tids_handle_request(tids, req, resp);
+ if (rc < 0) {
+ tr_debug("tids_req_cb: Error from tids_handle_request(), rc = %d.", rc);
+ /* Fall through, to send the response, either way */
+ }
- /* Put connection information into the request structure */
- tr_msg_get_req(mreq)->conn = conn;
- tr_msg_get_req(mreq)->gssctx = gssctx;
-
- /* Allocate a response structure and populate common fields */
- if (NULL == (resp = tids_create_response (tids, tr_msg_get_req(mreq)))) {
- tr_crit("tids_handle_connection: Error creating response structure.");
- /* try to send an error */
- tids_send_err_response(tids, tr_msg_get_req(mreq), "Error creating response.");
- tr_msg_free_decoded(mreq);
- return;
- }
+ /* Convert the completed response into an encoded response */
+ resp_str = tids_encode_response(mem_ctx, tids, req, resp);
- if (0 > (rc = tids_handle_request(tids, mreq, resp))) {
- tr_debug("tids_handle_connection: Error from tids_handle_request(), rc = %d.", rc);
- /* Fall through, to send the response, either way */
- }
+ /* Finished; free the request and return */
+ tr_msg_free_decoded(mreq); // this frees req and resp, too
+ return resp_str;
+}
- if (0 > (rc = tids_send_response(tids, tr_msg_get_req(mreq), resp))) {
- tr_debug("tids_handle_connection: Error from tids_send_response(), rc = %d.", rc);
- /* if we didn't already send a response, try to send a generic error. */
- if (!tr_msg_get_req(mreq)->resp_sent)
- tids_send_err_response(tids, tr_msg_get_req(mreq), "Error sending response.");
- /* Fall through to free the response, either way. */
- }
-
- tr_msg_free_decoded(mreq); /* takes resp with it */
- return;
- }
+TIDS_INSTANCE *tids_new(TALLOC_CTX *mem_ctx)
+{
+ return talloc_zero(mem_ctx, TIDS_INSTANCE);
}
-TIDS_INSTANCE *tids_create (void)
+/**
+ * Create a new TIDS instance
+ *
+ * Deprecated: exists for ABI compatibility, but tids_new() should be used instead
+ *
+ */
+TIDS_INSTANCE *tids_create(void)
{
return talloc_zero(NULL, TIDS_INSTANCE);
}
-
/* Get a listener for tids requests, returns its socket fd. Accept
* connections with tids_accept() */
-int tids_get_listener(TIDS_INSTANCE *tids,
+int tids_get_listener(TIDS_INSTANCE *tids,
TIDS_REQ_FUNC *req_handler,
tids_auth_func *auth_handler,
const char *hostname,
int *fd_out,
size_t max_fd)
{
- size_t n_fd=0;
- size_t ii=0;
+ nfds_t n_fd = 0;
+ nfds_t ii = 0;
tids->tids_port = port;
- n_fd=listen_on_all_addrs(port, fd_out, max_fd);
+ n_fd = tr_sock_listen_all(port, fd_out, max_fd);
- if (n_fd<=0)
+ if (n_fd == 0)
tr_err("tids_get_listener: Error opening port %d");
else {
/* opening port succeeded */
close(fd_out[ii]);
fd_out[ii]=-1;
}
- n_fd=0;
+ n_fd = 0;
break;
}
}
}
- if (n_fd>0) {
+ if (n_fd > 0) {
/* store the caller's request handler & cookie */
tids->req_handler = req_handler;
tids->auth_handler = auth_handler;
tids->cookie = cookie;
}
- return n_fd;
+ return (int)n_fd;
}
/* Accept and process a connection on a port opened with tids_get_listener() */
if (pid == 0) {
close(listen);
- tids_handle_connection(tids, conn);
+ tr_gss_handle_connection(conn,
+ "trustidentity", tids->hostname, /* acceptor name */
+ tids_auth_cb, tids, /* auth callback and cookie */
+ tids_req_cb, tids /* req callback and cookie */
+ );
close(conn);
exit(0); /* exit to kill forked child process */
} else {
}
/* Process tids requests forever. Should not return except on error. */
-#define MAX_SOCKETS 10
-int tids_start (TIDS_INSTANCE *tids,
+int tids_start (TIDS_INSTANCE *tids,
TIDS_REQ_FUNC *req_handler,
tids_auth_func *auth_handler,
const char *hostname,
unsigned int port,
void *cookie)
{
- int fd[MAX_SOCKETS]={0};
- size_t n_fd=0;
- struct pollfd poll_fd[MAX_SOCKETS]={{0}};
+ int fd[TR_MAX_SOCKETS]={0};
+ nfds_t n_fd=0;
+ struct pollfd poll_fd[TR_MAX_SOCKETS]={{0}};
int ii=0;
- n_fd=tids_get_listener(tids, req_handler, auth_handler, hostname, port, cookie, fd, MAX_SOCKETS);
+ n_fd=tids_get_listener(tids, req_handler, auth_handler, hostname, port, cookie, fd, TR_MAX_SOCKETS);
if (n_fd <= 0) {
perror ("Error from tids_listen()");
return 1;
return 1; /* should never get here, loops "forever" */
}
-#undef MAX_SOCKETS
void tids_destroy (TIDS_INSTANCE *tids)
{
#include <stdio.h>
#include <stdlib.h>
-#include <jansson.h>
#include <argp.h>
#include <event2/event.h>
#include <talloc.h>
-#include <sys/time.h>
#include <signal.h>
-#include <pthread.h>
#include <tid_internal.h>
#include <tr_tid.h>
struct cmdline_args opts;
struct event_base *ev_base;
struct tr_socket_event tids_ev = {0};
+// struct tr_socket_event mon_ev = {0};
struct event *cfgwatch_ev;
configure_signals();
}
/***** initialize the trust path query server instance *****/
- if (NULL == (tr->tids = tids_create())) {
+ if (NULL == (tr->tids = tids_new(tr))) {
tr_crit("Error initializing Trust Path Query Server instance.");
return 1;
}
- talloc_steal(tr, tr->tids);
/***** initialize the trust router protocol server instance *****/
if (NULL == (tr->trps = trps_new(tr))) {
return 1;
}
+// /***** initialize the monitoring interface instance *****/
+// if (NULL == (tr->mons = mons_new(tr))) {
+// tr_crit("Error initializing monitoring interface instance.");
+// return 1;
+// }
+
/***** process configuration *****/
tr->cfgwatch=tr_cfgwatch_create(tr);
if (tr->cfgwatch == NULL) {
return 1;
}
- /*tr_status_event_init();*/ /* install status reporting events */
+// /* install monitoring interface events */
+// tr_debug("Initializing monitoring interface events.");
+// if (0 != tr_mon_event_init(tr->mons, ev_base, &mon_ev)) {
+// tr_crit("Error initializing monitoring interface.");
+// return 1;
+// }
/* install TID server events */
tr_debug("Initializing TID server events.");
--- /dev/null
+/*
+ * Copyright (c) 2018, JANET(UK)
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * 3. Neither the name of JANET(UK) nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+ * OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#include <talloc.h>
+
+#include <tr_config.h>
+#include <tr_debug.h>
+#include <mon_internal.h>
+
+/*
+ * Cookie for the event handling callback
+ */
+struct tr_mons_event_cookie {
+ MONS_INSTANCE *mons;
+ TR_CFG_MGR *cfg_mgr;
+};
+
+
+/**
+ * Callback to handle a triggered event
+ *
+ * @param listener file descriptor of the socket that triggered the event
+ * @param event libevent2 event
+ * @param arg pointer to our MONS_INSTANCE
+ */
+static void tr_mons_event_cb(int listener, short event, void *arg)
+{
+ MONS_INSTANCE *mons = talloc_get_type_abort(arg, MONS_INSTANCE);
+
+ // check that we were not accidentally triggered
+ if (0==(event & EV_READ))
+ tr_debug("tr_mons_event_cb: unexpected event on monitoring interface socket (event=0x%X)", event);
+ else
+ mons_accept(mons, listener);
+}
+
+
+/**
+ * Callback to handle an incoming monitoring request
+ *
+ * @param mons monitoring interface instance
+ * @param orig_req incoming request
+ * @param resp destination for outgoing response
+ * @param cookie_in cookie from the event handling system
+ * @return 0 on success
+ */
+static int tr_mons_req_handler(MONS_INSTANCE *mons,
+ MON_REQ *orig_req,
+ MON_RESP *resp,
+ void *cookie_in)
+{
+ return -1;
+}
+
+/**
+ * Callback to authorize a GSS client
+ *
+ * @param client_name ?
+ * @param gss_name GSS name of credential attempting to authorize
+ * @param cookie_in event cookie
+ * @return 0 if authorization is successful, -1 if not
+ */
+static int tr_mons_auth_handler(gss_name_t client_name, TR_NAME *gss_name, void *cookie_in)
+{
+ struct tr_mons_event_cookie *cookie=talloc_get_type_abort(cookie_in, struct tr_mons_event_cookie);
+ MONS_INSTANCE *mons = cookie->mons;
+ TR_CFG_MGR *cfg_mgr = cookie->cfg_mgr;
+
+ if ((!client_name) || (!gss_name) || (!mons) || (!cfg_mgr)) {
+ tr_debug("tr_mons_gss_handler: Bad parameters.");
+ return -1;
+ }
+
+ /* Ensure at least one client exists using this GSS name */
+ if (! tr_gss_names_matches(mons->authorized_gss_names, gss_name)) {
+ tr_info("tr_mons_gss_handler: Unauthorized request from %.*s", gss_name->len, gss_name->buf);
+ return -1;
+ }
+
+ /* Credential was valid, authorize it */
+ tr_info("tr_mons_gss_handler: Authorized request from %.*s", gss_name->len, gss_name->buf);
+ return 0;
+}
+
+
+/*
+ *
+ * Get a listener for monitoring requests, returns its socket fd. Accept
+ * connections with tids_accept() */
+
+/**
+ * Configure the monitoring service instance and set up its event handler
+ *
+ * @param base libevent2 event base
+ * @param mons MONS_INSTANCE for this monitoring interface
+ * @param cfg_mgr configuration manager instance
+ * @param mons_ev monitoring interface event instance
+ * @return 0 on success, nonzero on failure.
+ * */
+int tr_mon_event_init(struct event_base *base, MONS_INSTANCE *mons, TR_CFG_MGR *cfg_mgr, struct tr_socket_event *mons_ev)
+{
+ TALLOC_CTX *tmp_ctx=talloc_new(NULL);
+ struct tr_mons_event_cookie *cookie=NULL;
+ int retval=0;
+ int ii=0;
+
+ if (mons_ev == NULL) {
+ tr_debug("tr_mon_event_init: Null mons_ev.");
+ retval=1;
+ goto cleanup;
+ }
+
+ /* Create the cookie for callbacks. We'll put it in the mons context, so it will
+ * be cleaned up when mons is freed by talloc_free. */
+ cookie=talloc(tmp_ctx, struct tr_mons_event_cookie);
+ if (cookie == NULL) {
+ tr_debug("tr_mons_event_init: Unable to allocate cookie.");
+ retval=1;
+ goto cleanup;
+ }
+ cookie->mons=mons;
+ cookie->cfg_mgr=cfg_mgr;
+ talloc_steal(mons, cookie);
+
+ /* get a monitoring interface listener */
+ mons_ev->n_sock_fd = mons_get_listener(mons,
+ tr_mons_req_handler,
+ tr_mons_auth_handler,
+ cfg_mgr->active->internal->monitoring_port,
+ (void *)cookie,
+ mons_ev->sock_fd,
+ TR_MAX_SOCKETS);
+ if (mons_ev->n_sock_fd==0) {
+ tr_crit("Error opening monitoring interface socket.");
+ retval=1;
+ goto cleanup;
+ }
+
+ /* Set up events */
+ for (ii=0; ii<mons_ev->n_sock_fd; ii++) {
+ mons_ev->ev[ii]=event_new(base,
+ mons_ev->sock_fd[ii],
+ EV_READ|EV_PERSIST,
+ tr_mons_event_cb,
+ (void *)mons);
+ event_add(mons_ev->ev[ii], NULL);
+ }
+
+cleanup:
+ talloc_free(tmp_ctx);
+ return retval;
+}
TALLOC_CTX *tmp_ctx=talloc_new(NULL);
struct tr_tids_event_cookie *cookie=NULL;
int retval=0;
- size_t ii=0;
+ int ii=0;
if (tids_ev == NULL) {
tr_debug("tr_tids_event_init: Null tids_ev.");
talloc_steal(tids, cookie);
/* get a tids listener */
- tids_ev->n_sock_fd=tids_get_listener(tids,
- tr_tids_req_handler,
- tr_tids_gss_handler,
- cfg_mgr->active->internal->hostname,
- cfg_mgr->active->internal->tids_port,
- (void *)cookie,
- tids_ev->sock_fd,
- TR_MAX_SOCKETS);
+ tids_ev->n_sock_fd = tids_get_listener(tids,
+ tr_tids_req_handler,
+ tr_tids_gss_handler,
+ cfg_mgr->active->internal->hostname,
+ cfg_mgr->active->internal->tids_port,
+ (void *)cookie,
+ tids_ev->sock_fd,
+ TR_MAX_SOCKETS);
if (tids_ev->n_sock_fd==0) {
tr_crit("Error opening TID server socket.");
retval=1;
printf("\nEncoding...\n");
- printf("Result: \n%s\n\n", tr_msg_encode(msg));
+ printf("Result: \n%s\n\n", tr_msg_encode(NULL, msg));
talloc_report_full(main_ctx, stdout);
#include <talloc.h>
#include <assert.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <trp_internal.h>
#include <trp_ptable.h>
#include <tr_name_internal.h>
#include <trp_internal.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <trp_ptable.h>
#include <tr_debug.h>
#include <sys/time.h>
#include <glib.h>
#include <string.h>
+#include <poll.h> // for nfds_t
#include <gsscon.h>
#include <tr_comm.h>
#include <tr_rp.h>
#include <tr_name_internal.h>
#include <trp_internal.h>
-#include <tr_gss.h>
+#include <tr_gss_names.h>
#include <trp_ptable.h>
#include <trp_rtable.h>
#include <tr_debug.h>
int *fd_out,
size_t max_fd)
{
- size_t n_fd=0;
- size_t ii=0;
+ nfds_t n_fd=0;
+ nfds_t ii=0;
- n_fd=listen_on_all_addrs(port, fd_out, max_fd);
+ n_fd = tr_sock_listen_all(port, fd_out, max_fd);
- if (n_fd==0)
+ if (n_fd == 0)
tr_err("trps_get_listener: Error opening port %d.");
else {
/* opening port succeeded */
close(fd_out[ii]);
fd_out[ii]=-1;
}
- n_fd=0;
+ n_fd = 0;
break;
}
}
}
- if (n_fd>0) {
+ if (n_fd > 0) {
/* store the caller's request handler & cookie */
trps->msg_handler = msg_handler;
trps->auth_handler = auth_handler;
trps->cookie = cookie;
}
- return n_fd;
+ return (int) n_fd;
}
TRP_RC trps_authorize_connection(TRPS_INSTANCE *trps, TRP_CONNECTION *conn)
upd = (TRP_UPD *) g_ptr_array_index(updates, ii);
/* now encode the update message */
tr_msg_set_trp_upd(&msg, upd);
- encoded = tr_msg_encode(&msg);
+ encoded = tr_msg_encode(NULL, &msg);
if (encoded == NULL) {
tr_err("trps_update_one_peer: error encoding update.");
rc = TRP_ERROR;
}
tr_msg_set_trp_req(&msg, req);
- encoded=tr_msg_encode(&msg);
+ encoded= tr_msg_encode(NULL, &msg);
if (encoded==NULL) {
tr_err("trps_wildcard_route_req: error encoding wildcard TRP request.");
rc=TRP_ERROR;
projects / trust_router.git / commitdiff