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-rw-r--r--src/svm/svmdbtool.c537
1 files changed, 537 insertions, 0 deletions
diff --git a/src/svm/svmdbtool.c b/src/svm/svmdbtool.c
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+++ b/src/svm/svmdbtool.c
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+/*
+ * Copyright (c) 2015 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include <sys/stat.h>
+#include <pwd.h>
+#include <grp.h>
+#include <netinet/in.h>
+#include <signal.h>
+#include <pthread.h>
+#include <unistd.h>
+#include <time.h>
+#include <fcntl.h>
+#include <string.h>
+#include <vppinfra/clib.h>
+#include <vppinfra/vec.h>
+#include <vppinfra/hash.h>
+#include <vppinfra/bitmap.h>
+#include <vppinfra/fifo.h>
+#include <vppinfra/time.h>
+#include <vppinfra/mheap.h>
+#include <vppinfra/heap.h>
+#include <vppinfra/pool.h>
+#include <vppinfra/format.h>
+#include <vppinfra/serialize.h>
+#include "svmdb.h"
+
+typedef struct
+{
+ svmdb_map_args_t map_args;
+ int uid, gid;
+ uword size;
+} svmdbtool_main_t;
+
+svmdbtool_main_t svmdbtool_main;
+
+static inline svmdb_map_args_t *
+map_arg_setup (char *chroot_path)
+{
+ svmdbtool_main_t *sm = &svmdbtool_main;
+ svmdb_map_args_t *ma = &sm->map_args;
+
+ memset (ma, 0, sizeof (*ma));
+ ma->root_path = chroot_path;
+ ma->size = sm->size;
+ ma->uid = sm->uid;
+ ma->gid = sm->gid;
+ return ma;
+}
+
+static void
+get_string (char *chroot_path, u8 * vbl)
+{
+ svmdb_client_t *c;
+ char *rv;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ rv = svmdb_local_get_string_variable (c, (char *) vbl);
+
+ fformat (stdout, "%s\n", rv ? rv : "UNSET");
+ vec_free (rv);
+ svmdb_unmap (c);
+}
+
+static void
+set_string (char *chroot_path, u8 * vbl, u8 * value)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+ svmdb_local_set_string_variable (c, (char *) vbl, (char *) value);
+ svmdb_unmap (c);
+}
+
+static void
+unset_string (char *chroot_path, u8 * vbl)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+ svmdb_local_unset_string_variable (c, (char *) vbl);
+ svmdb_unmap (c);
+}
+
+static void
+dump_strings (char *chroot_path)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+ svmdb_local_dump_strings (c);
+ svmdb_unmap (c);
+}
+
+static void
+serialize_strings (char *chroot_path, char *filename)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+ (void) svmdb_local_serialize_strings (c, filename);
+ svmdb_unmap (c);
+}
+
+static void
+unserialize_strings (char *chroot_path, char *filename)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+ (void) svmdb_local_unserialize_strings (c, filename);
+ svmdb_unmap (c);
+}
+
+static void
+test_vlib_vec_rate (char *chroot_path, f64 vr)
+{
+ svmdb_client_t *c;
+ f64 *tv = 0;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ vec_add1 (tv, vr);
+
+ svmdb_local_set_vec_variable (c, "vlib_vector_rate", (char *) tv,
+ sizeof (*tv));
+ svmdb_unmap (c);
+
+ vec_free (tv);
+}
+
+
+
+static void
+test_vec (char *chroot_path, u8 * vbl)
+{
+ svmdb_client_t *c;
+ u64 *tv = 0;
+ int i;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ /* my amp goes to 11 */
+ for (i = 0; i < 11; i++)
+ {
+ vec_add1 (tv, i);
+ }
+
+ svmdb_local_set_vec_variable (c, (char *) vbl, (char *) tv, sizeof (tv[0]));
+ svmdb_unmap (c);
+
+ vec_free (tv);
+}
+
+static void
+fake_install (char *chroot_path, u8 * add_value)
+{
+ svmdb_client_t *c;
+ u8 *v = 0;
+ u8 **values = 0;
+ u8 *oldvalue;
+ u8 *value;
+ int nitems = 0, i;
+ serialize_main_t m;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ oldvalue = svmdb_local_get_vec_variable (c, "installed_sw", 1);
+ if (oldvalue)
+ {
+ unserialize_open_data (&m, oldvalue, vec_len (oldvalue));
+ nitems = unserialize_likely_small_unsigned_integer (&m);
+ for (i = 0; i < nitems; i++)
+ {
+ unserialize_cstring (&m, (char **) &value);
+ vec_add1 (values, value);
+ }
+ vec_free (v);
+ }
+ nitems++;
+ value = format (0, "%s%c", add_value, 0);
+
+ vec_add1 (values, value);
+
+ fformat (stdout, "Resulting installed_sw vector:\n");
+
+ serialize_open_vector (&m, v);
+ serialize_likely_small_unsigned_integer (&m, vec_len (values));
+ for (i = 0; i < vec_len (values); i++)
+ {
+ fformat (stdout, "%s\n", values[i]);
+ serialize_cstring (&m, (char *) values[i]);
+ }
+
+ v = serialize_close_vector (&m);
+
+ svmdb_local_set_vec_variable (c, "installed_sw", v, sizeof (v[0]));
+ svmdb_unmap (c);
+
+ for (i = 0; i < vec_len (values); i++)
+ vec_free (values[i]);
+ vec_free (values);
+}
+
+static void
+sigaction_handler (int signum, siginfo_t * i, void *notused)
+{
+ u32 action, opaque;
+
+ action = (u32) (uword) i->si_ptr;
+ action >>= 28;
+ opaque = (u32) (uword) i->si_ptr;
+ opaque &= ~(0xF0000000);
+
+ clib_warning ("signal %d, action %d, opaque %x", signum, action, opaque);
+}
+
+static void
+test_reg (char *chroot_path, u8 * vbl)
+{
+ svmdb_client_t *c;
+ svmdb_notification_args_t args;
+ svmdb_notification_args_t *a = &args;
+ struct sigaction sa;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ memset (&sa, 0, sizeof (sa));
+ sa.sa_sigaction = sigaction_handler;
+ sa.sa_flags = SA_SIGINFO;
+ if (sigaction (SIGUSR2, &sa, 0) < 0)
+ {
+ clib_unix_warning ("sigaction");
+ return;
+ }
+
+ memset (a, 0, sizeof (*a));
+
+ c = svmdb_map (ma);
+
+ a->add_del = 1 /* add */ ;
+ a->nspace = SVMDB_NAMESPACE_STRING;
+ a->var = (char *) vbl;
+ a->elsize = 1;
+ a->signum = SIGUSR2;
+ a->action = SVMDB_ACTION_GET;
+ a->opaque = 0x0eadbeef;
+
+ svmdb_local_add_del_notification (c, a);
+
+ (void) svmdb_local_get_string_variable (c, (char *) vbl);
+
+ a->add_del = 0; /* del */
+ svmdb_local_add_del_notification (c, a);
+
+
+
+ svmdb_unmap (c);
+}
+
+static void
+unset_vec (char *chroot_path, u8 * vbl)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ svmdb_local_unset_vec_variable (c, (char *) vbl);
+ svmdb_unmap (c);
+}
+
+static void
+dump_vecs (char *chroot_path)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ svmdb_local_dump_vecs (c);
+ svmdb_unmap (c);
+}
+
+static void
+crash_test (char *chroot_path)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ clib_warning ("Grab region mutex and crash deliberately!");
+ c->db_rp->mutex_owner_pid = getpid ();
+ c->db_rp->mutex_owner_tag = -13;
+ pthread_mutex_lock (&c->db_rp->mutex);
+
+ abort ();
+}
+
+static void
+map_with_size (char *chroot_path, uword size)
+{
+ svmdb_client_t *c;
+ svmdb_map_args_t *ma;
+
+ svmdbtool_main.size = size;
+ ma = map_arg_setup (chroot_path);
+
+ c = svmdb_map (ma);
+
+ svmdb_unmap (c);
+}
+
+int
+main (int argc, char **argv)
+{
+ unformat_input_t input;
+ int parsed = 0;
+ u8 *vbl = 0, *value = 0;
+ char *chroot_path = 0;
+ u8 *chroot_path_u8;
+ u8 *filename;
+ uword size;
+ f64 vr;
+ int uid, gid, rv;
+ struct passwd _pw, *pw;
+ struct group _grp, *grp;
+ char *s, buf[128];
+
+ svmdbtool_main.uid = geteuid ();
+ svmdbtool_main.gid = getegid ();
+
+ unformat_init_command_line (&input, argv);
+
+ while (unformat_check_input (&input) != UNFORMAT_END_OF_INPUT)
+ {
+ if (unformat (&input, "get-string %s", &vbl))
+ {
+ get_string (chroot_path, vbl);
+ vec_free (vbl);
+ parsed++;
+ }
+ else if (unformat (&input, "set-string %s %s", &vbl, &value))
+ {
+ set_string (chroot_path, vbl, value);
+ vec_free (vbl);
+ vec_free (value);
+ parsed++;
+ }
+ else if (unformat (&input, "unset-string %s", &vbl))
+ {
+ unset_string (chroot_path, vbl);
+ vec_free (vbl);
+ parsed++;
+ }
+ else if (unformat (&input, "dump-strings"))
+ {
+ dump_strings (chroot_path);
+ parsed++;
+ }
+ else if (unformat (&input, "unset-vec %s", &vbl))
+ {
+ unset_vec (chroot_path, vbl);
+ vec_free (vbl);
+ parsed++;
+ }
+ else if (unformat (&input, "dump-vecs"))
+ {
+ dump_vecs (chroot_path);
+ parsed++;
+ }
+ else if (unformat (&input, "test-vec %s", &vbl))
+ {
+ test_vec (chroot_path, vbl);
+ // vec_free(vbl);
+ parsed++;
+ }
+ else if (unformat (&input, "vlib-vec-rate %f", &vr))
+ {
+ test_vlib_vec_rate (chroot_path, vr);
+ parsed++;
+ }
+ else if (unformat (&input, "test-reg %s", &vbl))
+ {
+ test_reg (chroot_path, vbl);
+ parsed++;
+ }
+ else if (unformat (&input, "crash-test"))
+ {
+ crash_test (chroot_path);
+ }
+ else if (unformat (&input, "chroot %s", &chroot_path_u8))
+ {
+ chroot_path = (char *) chroot_path_u8;
+ }
+ else if (unformat (&input, "fake-install %s", &value))
+ {
+ fake_install (chroot_path, value);
+ parsed++;
+ }
+ else if (unformat (&input, "size %d", &size))
+ {
+ map_with_size (chroot_path, size);
+ parsed++;
+ }
+ else if (unformat (&input, "uid %d", &uid))
+ svmdbtool_main.uid = uid;
+ else if (unformat (&input, "gid %d", &gid))
+ svmdbtool_main.gid = gid;
+ else if (unformat (&input, "uid %s", &s))
+ {
+ /* lookup the username */
+ pw = NULL;
+ rv = getpwnam_r (s, &_pw, buf, sizeof (buf), &pw);
+ if (rv < 0)
+ {
+ fformat (stderr, "cannot fetch username %s", s);
+ exit (1);
+ }
+ if (pw == NULL)
+ {
+ fformat (stderr, "username %s does not exist", s);
+ exit (1);
+ }
+ vec_free (s);
+ svmdbtool_main.uid = pw->pw_uid;
+ }
+ else if (unformat (&input, "gid %s", &s))
+ {
+ /* lookup the group name */
+ grp = NULL;
+ rv = getgrnam_r (s, &_grp, buf, sizeof (buf), &grp);
+ if (rv != 0)
+ {
+ fformat (stderr, "cannot fetch group %s", s);
+ exit (1);
+ }
+ if (grp == NULL)
+ {
+ fformat (stderr, "group %s does not exist", s);
+ exit (1);
+ }
+ vec_free (s);
+ svmdbtool_main.gid = grp->gr_gid;
+ }
+ else if (unformat (&input, "serialize-strings %s", &filename))
+ {
+ vec_add1 (filename, 0);
+ serialize_strings (chroot_path, (char *) filename);
+ parsed++;
+ }
+ else if (unformat (&input, "unserialize-strings %s", &filename))
+ {
+ vec_add1 (filename, 0);
+ unserialize_strings (chroot_path, (char *) filename);
+ parsed++;
+ }
+ else
+ {
+ break;
+ }
+ }
+
+ unformat_free (&input);
+
+ if (!parsed)
+ {
+ fformat (stdout, "%s: get-string <name> | set-string <name> <value>\n",
+ argv[0]);
+ fformat (stdout, " unset-string <name> | dump-strings\n");
+ fformat (stdout, " test-vec <name> |\n");
+ fformat (stdout, " unset-vec <name> | dump-vecs\n");
+ fformat (stdout, " chroot <prefix> [uid <nnn-or-userid>]\n");
+ fformat (stdout, " [gid <nnn-or-group-name>]\n");
+ }
+
+ exit (0);
+}
+
+/*
+ * fd.io coding-style-patch-verification: ON
+ *
+ * Local Variables:
+ * eval: (c-set-style "gnu")
+ * End:
+ */