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Diffstat (limited to 'src/swanctl/commands/list_sas.c')
-rw-r--r--src/swanctl/commands/list_sas.c366
1 files changed, 366 insertions, 0 deletions
diff --git a/src/swanctl/commands/list_sas.c b/src/swanctl/commands/list_sas.c
new file mode 100644
index 000000000..80c279ce8
--- /dev/null
+++ b/src/swanctl/commands/list_sas.c
@@ -0,0 +1,366 @@
+/*
+ * Copyright (C) 2014 Martin Willi
+ * Copyright (C) 2014 revosec AG
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the
+ * Free Software Foundation; either version 2 of the License, or (at your
+ * option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
+ * for more details.
+ */
+
+#define _GNU_SOURCE
+#include <stdio.h>
+#include <errno.h>
+
+#include "command.h"
+
+#include <collections/hashtable.h>
+
+/**
+ * Free hashtable with contained strings
+ */
+static void free_hashtable(hashtable_t *hashtable)
+{
+ enumerator_t *enumerator;
+ char *str;
+
+ enumerator = hashtable->create_enumerator(hashtable);
+ while (enumerator->enumerate(enumerator, NULL, &str))
+ {
+ free(str);
+ }
+ enumerator->destroy(enumerator);
+
+ hashtable->destroy(hashtable);
+}
+
+CALLBACK(sa_values, int,
+ hashtable_t *sa, vici_res_t *res, char *name, void *value, int len)
+{
+ chunk_t chunk;
+ char *str;
+
+ chunk = chunk_create(value, len);
+ if (chunk_printable(chunk, NULL, ' '))
+ {
+ if (asprintf(&str, "%.*s", len, value) >= 0)
+ {
+ free(sa->put(sa, name, str));
+ }
+ }
+ return 0;
+}
+
+
+CALLBACK(sa_list, int,
+ hashtable_t *sa, vici_res_t *res, char *name, void *value, int len)
+{
+ chunk_t chunk;
+ char *str;
+
+ chunk = chunk_create(value, len);
+ if (chunk_printable(chunk, NULL, ' '))
+ {
+ str = sa->get(sa, name);
+ if (asprintf(&str, "%s%s%.*s",
+ str ?: "", str ? " " : "", len, value) >= 0)
+ {
+ free(sa->put(sa, name, str));
+ }
+ }
+ return 0;
+}
+
+CALLBACK(child_sas, int,
+ hashtable_t *ike, vici_res_t *res, char *name)
+{
+ hashtable_t *child;
+ int ret;
+
+ child = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
+ ret = vici_parse_cb(res, NULL, sa_values, sa_list, child);
+ if (ret == 0)
+ {
+ printf(" %s: #%s, %s, %s%s, %s:",
+ name, child->get(child, "reqid"),
+ child->get(child, "state"), child->get(child, "mode"),
+ child->get(child, "encap") ? "-in-UDP" : "",
+ child->get(child, "protocol"));
+
+ if (child->get(child, "encr-alg"))
+ {
+ printf("%s", child->get(child, "encr-alg"));
+ if (child->get(child, "encr-keysize"))
+ {
+ printf("-%s", child->get(child, "encr-keysize"));
+ }
+ }
+ if (child->get(child, "integ-alg"))
+ {
+ if (child->get(child, "encr-alg"))
+ {
+ printf("/");
+ }
+ printf("%s", child->get(child, "integ-alg"));
+ if (child->get(child, "integ-keysize"))
+ {
+ printf("-%s", child->get(child, "integ-keysize"));
+ }
+ }
+ if (child->get(child, "prf-alg"))
+ {
+ printf("/%s", child->get(child, "prf-alg"));
+ }
+ if (child->get(child, "dh-group"))
+ {
+ printf("/%s", child->get(child, "dh-group"));
+ }
+ if (child->get(child, "esn"))
+ {
+ printf("/%s", child->get(child, "esn"));
+ }
+ printf("\n");
+
+ printf(" installed %s ago", child->get(child, "install-time"));
+ if (child->get(child, "rekey-time"))
+ {
+ printf(", rekeying in %ss", child->get(child, "rekey-time"));
+ }
+ if (child->get(child, "life-time"))
+ {
+ printf(", expires in %ss", child->get(child, "life-time"));
+ }
+ printf("\n");
+
+ printf(" in %s%s%s", child->get(child, "spi-in"),
+ child->get(child, "cpi-in") ? "/" : "",
+ child->get(child, "cpi-in") ?: "");
+ printf(", %6s bytes, %5s packets",
+ child->get(child, "bytes-in"), child->get(child, "packets-in"));
+ if (child->get(child, "use-in"))
+ {
+ printf(", %5ss ago", child->get(child, "use-in"));
+ }
+ printf("\n");
+
+ printf(" out %s%s%s", child->get(child, "spi-out"),
+ child->get(child, "cpi-out") ? "/" : "",
+ child->get(child, "cpi-out") ?: "");
+ printf(", %6s bytes, %5s packets",
+ child->get(child, "bytes-out"), child->get(child, "packets-out"));
+ if (child->get(child, "use-out"))
+ {
+ printf(", %5ss ago", child->get(child, "use-out"));
+ }
+ printf("\n");
+
+ printf(" local %s\n", child->get(child, "local-ts"));
+ printf(" remote %s\n", child->get(child, "remote-ts"));
+ }
+ free_hashtable(child);
+ return ret;
+}
+
+CALLBACK(ike_sa, int,
+ hashtable_t *ike, vici_res_t *res, char *name)
+{
+ if (streq(name, "child-sas"))
+ {
+ printf("%s: #%s, %s, IKEv%s, %s:%s\n",
+ ike->get(ike, "name"), ike->get(ike, "uniqueid"),
+ ike->get(ike, "state"), ike->get(ike, "version"),
+ ike->get(ike, "initiator-spi"), ike->get(ike, "responder-spi"));
+
+ printf(" local '%s' @ %s\n",
+ ike->get(ike, "local-id"), ike->get(ike, "local-host"));
+ printf(" remote '%s' @ %s",
+ ike->get(ike, "remote-id"), ike->get(ike, "remote-host"));
+ if (ike->get(ike, "remote-eap-id"))
+ {
+ printf(" EAP: '%s'", ike->get(ike, "remote-eap-id"));
+ }
+ if (ike->get(ike, "remote-xauth-id"))
+ {
+ printf(" XAuth: '%s'", ike->get(ike, "remote-xauth-id"));
+ }
+ printf("\n");
+
+ if (ike->get(ike, "encr-alg"))
+ {
+ printf(" %s", ike->get(ike, "encr-alg"));
+ if (ike->get(ike, "encr-keysize"))
+ {
+ printf("-%s", ike->get(ike, "encr-keysize"));
+ }
+ if (ike->get(ike, "integ-alg"))
+ {
+ printf("/%s", ike->get(ike, "integ-alg"));
+ }
+ if (ike->get(ike, "integ-keysize"))
+ {
+ printf("-%s", ike->get(ike, "integ-keysize"));
+ }
+ printf("/%s", ike->get(ike, "prf-alg"));
+ printf("/%s", ike->get(ike, "dh-group"));
+ printf("\n");
+ }
+
+ if (ike->get(ike, "established"))
+ {
+ printf(" established %ss ago", ike->get(ike, "established"));
+ if (ike->get(ike, "rekey-time"))
+ {
+ printf(", rekeying in %ss", ike->get(ike, "rekey-time"));
+ }
+ if (ike->get(ike, "reauth-time"))
+ {
+ printf(", reauth in %ss", ike->get(ike, "reauth-time"));
+ }
+ if (ike->get(ike, "life-time"))
+ {
+ printf(", expires in %ss", ike->get(ike, "life-time"));
+ }
+ printf("\n");
+ }
+
+ if (ike->get(ike, "tasks-queued"))
+ {
+ printf(" queued: %s\n", ike->get(ike, "tasks-queued"));
+ }
+ if (ike->get(ike, "tasks-active"))
+ {
+ printf(" active: %s\n", ike->get(ike, "tasks-active"));
+ }
+ if (ike->get(ike, "tasks-passive"))
+ {
+ printf(" passive: %s\n", ike->get(ike, "tasks-passive"));
+ }
+
+ return vici_parse_cb(res, child_sas, NULL, NULL, ike);
+ }
+ return 0;
+}
+
+CALLBACK(ike_sas, int,
+ void *null, vici_res_t *res, char *name)
+{
+ hashtable_t *ike;
+ int ret;
+
+ ike = hashtable_create(hashtable_hash_str, hashtable_equals_str, 1);
+ ike->put(ike, "name", strdup(name));
+ ret = vici_parse_cb(res, ike_sa, sa_values, sa_list, ike);
+ free_hashtable(ike);
+ return ret;
+}
+
+CALLBACK(list_cb, void,
+ command_format_options_t *format, char *name, vici_res_t *res)
+{
+ if (*format & COMMAND_FORMAT_RAW)
+ {
+ vici_dump(res, "list-sa event", *format & COMMAND_FORMAT_PRETTY,
+ stdout);
+ }
+ else
+ {
+ if (vici_parse_cb(res, ike_sas, NULL, NULL, NULL) != 0)
+ {
+ fprintf(stderr, "parsing SA event failed: %s\n", strerror(errno));
+ }
+ }
+}
+
+static int list_sas(vici_conn_t *conn)
+{
+ vici_req_t *req;
+ vici_res_t *res;
+ bool noblock = FALSE;
+ command_format_options_t format = COMMAND_FORMAT_NONE;
+ char *arg, *ike = NULL;
+ int ike_id = 0;
+
+ while (TRUE)
+ {
+ switch (command_getopt(&arg))
+ {
+ case 'h':
+ return command_usage(NULL);
+ case 'i':
+ ike = arg;
+ continue;
+ case 'I':
+ ike_id = atoi(arg);
+ continue;
+ case 'n':
+ noblock = TRUE;
+ continue;
+ case 'P':
+ format |= COMMAND_FORMAT_PRETTY;
+ /* fall through to raw */
+ case 'r':
+ format |= COMMAND_FORMAT_RAW;
+ continue;
+ case EOF:
+ break;
+ default:
+ return command_usage("invalid --list-sas option");
+ }
+ break;
+ }
+ if (vici_register(conn, "list-sa", list_cb, &format) != 0)
+ {
+ fprintf(stderr, "registering for SAs failed: %s\n", strerror(errno));
+ return errno;
+ }
+ req = vici_begin("list-sas");
+ if (ike)
+ {
+ vici_add_key_valuef(req, "ike", "%s", ike);
+ }
+ if (ike_id)
+ {
+ vici_add_key_valuef(req, "ike-id", "%d", ike_id);
+ }
+ if (noblock)
+ {
+ vici_add_key_valuef(req, "noblock", "yes");
+ }
+ res = vici_submit(req, conn);
+ if (!res)
+ {
+ fprintf(stderr, "list-sas request failed: %s\n", strerror(errno));
+ return errno;
+ }
+ if (format & COMMAND_FORMAT_RAW)
+ {
+ vici_dump(res, "list-sas reply", format & COMMAND_FORMAT_PRETTY,
+ stdout);
+ }
+ vici_free_res(res);
+ return 0;
+}
+
+/**
+ * Register the command.
+ */
+static void __attribute__ ((constructor))reg()
+{
+ command_register((command_t) {
+ list_sas, 'l', "list-sas", "list currently active IKE_SAs",
+ {"[--raw|--pretty]"},
+ {
+ {"help", 'h', 0, "show usage information"},
+ {"ike", 'i', 1, "filter IKE_SAs by name"},
+ {"ike-id", 'I', 1, "filter IKE_SAs by unique identifier"},
+ {"noblock", 'n', 0, "don't wait for IKE_SAs in use"},
+ {"raw", 'r', 0, "dump raw response message"},
+ {"pretty", 'P', 0, "dump raw response message in pretty print"},
+ }
+ });
+}