/*
* 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
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;
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
{
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:
*/
