NetBSD/dist/dhcp/dhcpctl/omshell.c

724 lines
18 KiB
C

/* omshell.c
Examine and modify omapi objects. */
/*
* Copyright (c) 2004 by Internet Systems Consortium, Inc. ("ISC")
* Copyright (c) 2001-2003 by Internet Software Consortium
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT
* OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Internet Systems Consortium, Inc.
* 950 Charter Street
* Redwood City, CA 94063
* <info@isc.org>
* http://www.isc.org/
*
* This software has been written for Internet Systems Consortium
* by Ted Lemon in cooperation with Vixie Enterprises and Nominum, Inc.
* To learn more about Internet Systems Consortium, see
* ``http://www.isc.org/''. To learn more about Vixie Enterprises,
* see ``http://www.vix.com''. To learn more about Nominum, Inc., see
* ``http://www.nominum.com''.
*/
#ifndef lint
static char copyright[] =
"$Id: omshell.c,v 1.5 2005/08/11 17:13:21 drochner Exp $ Copyright (c) 2004 Internet Systems Consortium. All rights reserved.\n";
#endif /* not lint */
#include <time.h>
#include <sys/time.h>
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include <string.h>
#include <isc-dhcp/result.h>
#include "dhcpctl.h"
#include "dhcpd.h"
/* Fixups */
isc_result_t find_class (struct class **c, const char *n, const char *f, int l)
{
return 0;
}
int parse_allow_deny (struct option_cache **oc, struct parse *cfile, int flag)
{
return 0;
}
void dhcp (struct packet *packet) { }
void bootp (struct packet *packet) { }
int check_collection (struct packet *p, struct lease *l, struct collection *c)
{
return 0;
}
void classify (struct packet *packet, struct class *class) { }
static void usage (char *s) {
fprintf (stderr, "Usage: %s\n", s);
exit (1);
}
static void check (isc_result_t status, const char *func) {
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "%s: %s\n", func, isc_result_totext (status));
exit (1);
}
}
int main (int argc, char **argv, char **envp)
{
isc_result_t status, waitstatus;
dhcpctl_handle connection;
dhcpctl_handle authenticator;
dhcpctl_handle oh;
struct data_string secret;
const char *name = 0, *algorithm = "hmac-md5";
int i;
int port = 7911;
const char *server = "127.0.0.1";
struct parse *cfile;
enum dhcp_token token;
const char *val;
char *s;
char buf[1024];
char s1[1024];
int connected = 0;
for (i = 1; i < argc; i++) {
usage(argv[0]);
}
/* Initially, log errors to stderr as well as to syslogd. */
#ifdef SYSLOG_4_2
openlog ("omshell", LOG_NDELAY);
log_priority = DHCPD_LOG_FACILITY;
#else
openlog ("omshell", LOG_NDELAY, DHCPD_LOG_FACILITY);
#endif
status = dhcpctl_initialize ();
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_initialize: %s\n",
isc_result_totext (status));
exit (1);
}
memset (&oh, 0, sizeof oh);
do {
if (!connected) {
} else if (oh == NULL) {
printf ("obj: <null>\n");
} else {
dhcpctl_remote_object_t *r = (dhcpctl_remote_object_t *)oh;
omapi_generic_object_t *g =
(omapi_generic_object_t *)(r -> inner);
printf ("obj: ");
if (r -> rtype -> type != omapi_datatype_string) {
printf ("?\n");
} else {
printf ("%.*s\n",
(int)(r -> rtype -> u . buffer . len),
r -> rtype -> u . buffer . value);
}
for (i = 0; i < g -> nvalues; i++) {
omapi_value_t *v = g -> values [i];
if (!g -> values [i])
continue;
printf ("%.*s = ", (int)v -> name -> len,
v -> name -> value);
if (!v -> value) {
printf ("<null>\n");
continue;
}
switch (v -> value -> type) {
case omapi_datatype_int:
printf ("%d\n",
v -> value -> u . integer);
break;
case omapi_datatype_string:
printf ("\"%.*s\"\n",
(int) v -> value -> u.buffer.len,
v -> value -> u.buffer.value);
break;
case omapi_datatype_data:
printf ("%s\n",
print_hex_1 (v -> value -> u.buffer.len,
v -> value -> u.buffer.value,
60));
break;
case omapi_datatype_object:
printf ("<obj>\n");
break;
}
}
}
fputs ("> ", stdout);
fflush (stdout);
if (fgets (buf, sizeof(buf), stdin) == NULL)
break;
status = new_parse (&cfile, 0, buf, strlen(buf), "<STDIN>", 1);
check(status, "new_parse()");
token = next_token (&val, (unsigned *)0, cfile);
switch (token) {
default:
parse_warn (cfile, "unknown token: %s", val);
skip_to_semi (cfile);
break;
case END_OF_FILE:
case EOL:
break;
case TOKEN_HELP:
case '?':
printf ("Commands:\n");
printf (" port <server omapi port>\n");
printf (" server <server address>\n");
printf (" key <key name> <key value>\n");
printf (" connect\n");
printf (" new <object-type>\n");
printf (" set <name> = <value>\n");
printf (" create\n");
printf (" open\n");
printf (" update\n");
printf (" unset <name>\n");
printf (" refresh\n");
printf (" remove\n");
skip_to_semi (cfile);
break;
case PORT:
token = next_token (&val, (unsigned *)0, cfile);
if (is_identifier (token)) {
struct servent *se;
se = getservbyname (val, "tcp");
if (se)
port = ntohs (se -> s_port);
else {
printf ("unknown service name: %s\n", val);
break;
}
} else if (token == NUMBER) {
port = atoi (val);
} else {
skip_to_semi (cfile);
printf ("usage: port <port>\n");
break;
}
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: port <server>\n");
skip_to_semi (cfile);
break;
}
break;
case SERVER:
token = next_token (&val, (unsigned *)0, cfile);
if (token == NUMBER) {
int alen = (sizeof buf) - 1;
int len;
s = &buf [0];
len = strlen (val);
if (len + 1 > alen) {
baddq:
printf ("usage: server <server>\n");
skip_to_semi (cfile);
break;
} strcpy (buf, val);
s += len;
token = next_token (&val, (unsigned *)0, cfile);
if (token != DOT)
goto baddq;
*s++ = '.';
token = next_token (&val, (unsigned *)0, cfile);
if (token != NUMBER)
goto baddq;
len = strlen (val);
if (len + 1 > alen)
goto baddq;
strcpy (s, val);
s += len;
token = next_token (&val, (unsigned *)0, cfile);
if (token != DOT)
goto baddq;
*s++ = '.';
token = next_token (&val, (unsigned *)0, cfile);
if (token != NUMBER)
goto baddq;
len = strlen (val);
if (len + 1 > alen)
goto baddq;
strcpy (s, val);
s += len;
token = next_token (&val, (unsigned *)0, cfile);
if (token != DOT)
goto baddq;
*s++ = '.';
token = next_token (&val, (unsigned *)0, cfile);
if (token != NUMBER)
goto baddq;
len = strlen (val);
if (len + 1 > alen)
goto baddq;
strcpy (s, val);
val = &buf [0];
} else if (is_identifier (token)) {
/* Use val directly. */
} else {
printf ("usage: server <server>\n");
skip_to_semi (cfile);
break;
}
s = dmalloc (strlen (val) + 1, MDL);
if (!server) {
printf ("no memory to store server name.\n");
skip_to_semi (cfile);
break;
}
strcpy (s, val);
server = s;
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: server <server>\n");
skip_to_semi (cfile);
break;
}
break;
case KEY:
token = next_token (&val, (unsigned *)0, cfile);
if (!is_identifier (token)) {
printf ("usage: key <name> <value>\n");
skip_to_semi (cfile);
break;
}
s = dmalloc (strlen (val) + 1, MDL);
if (!s) {
printf ("no memory for key name.\n");
skip_to_semi (cfile);
break;
}
strcpy (s, val);
name = s;
memset (&secret, 0, sizeof secret);
if (!parse_base64 (&secret, cfile)) {
skip_to_semi (cfile);
break;
}
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: key <name> <secret>\n");
skip_to_semi (cfile);
break;
}
break;
case CONNECT:
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: connect\n");
skip_to_semi (cfile);
break;
}
authenticator = dhcpctl_null_handle;
if (name) {
status = dhcpctl_new_authenticator (&authenticator,
name, algorithm,
secret.data,
secret.len);
if (status != ISC_R_SUCCESS) {
fprintf (stderr,
"Cannot create authenticator: %s\n",
isc_result_totext (status));
break;
}
}
memset (&connection, 0, sizeof connection);
status = dhcpctl_connect (&connection,
server, port, authenticator);
if (status != ISC_R_SUCCESS) {
fprintf (stderr, "dhcpctl_connect: %s\n",
isc_result_totext (status));
break;
}
connected = 1;
break;
case TOKEN_NEW:
token = next_token (&val, (unsigned *)0, cfile);
if ((!is_identifier (token) && token != STRING)) {
printf ("usage: new <object-type>\n");
break;
}
if (oh) {
printf ("an object is already open.\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
status = dhcpctl_new_object (&oh, connection, val);
if (status != ISC_R_SUCCESS) {
printf ("can't create object: %s\n",
isc_result_totext (status));
break;
}
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: new <object-type>\n");
skip_to_semi (cfile);
break;
}
break;
case TOKEN_CLOSE:
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: close\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
if (!oh) {
printf ("not open.\n");
skip_to_semi (cfile);
break;
}
omapi_object_dereference (&oh, MDL);
break;
case TOKEN_SET:
token = next_token (&val, (unsigned *)0, cfile);
if ((!is_identifier (token) && token != STRING)) {
set_usage:
printf ("usage: set <name> = <value>\n");
skip_to_semi (cfile);
break;
}
if (oh == NULL) {
printf ("no open object.\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
s1[0] = '\0';
strncat (s1, val, sizeof(s1)-1);
token = next_token (&val, (unsigned *)0, cfile);
if (token != EQUAL)
goto set_usage;
token = next_token (&val, (unsigned *)0, cfile);
switch (token) {
case STRING:
dhcpctl_set_string_value (oh, val, s1);
token = next_token (&val, (unsigned *)0, cfile);
break;
case NUMBER:
strcpy (buf, val);
token = peek_token (&val, (unsigned *)0, cfile);
/* Colon-seperated hex list? */
if (token == COLON)
goto cshl;
else if (token == DOT) {
s = buf;
val = buf;
do {
int intval = atoi (val);
dotiszero:
if (intval > 255) {
parse_warn (cfile,
"dotted octet > 255: %s",
val);
skip_to_semi (cfile);
goto badnum;
}
*s++ = intval;
token = next_token (&val,
(unsigned *)0, cfile);
if (token != DOT)
break;
/* DOT is zero. */
while ((token = next_token (&val,
(unsigned *)0, cfile)) == DOT)
*s++ = 0;
} while (token == NUMBER);
dhcpctl_set_data_value (oh, buf,
(unsigned)(s - buf),
s1);
break;
}
dhcpctl_set_int_value (oh, atoi (buf), s1);
token = next_token (&val, (unsigned *)0, cfile);
badnum:
break;
case NUMBER_OR_NAME:
strcpy (buf, val);
cshl:
s = buf;
val = buf;
do {
convert_num (cfile, (unsigned char *)s,
val, 16, 8);
++s;
token = next_token (&val,
(unsigned *)0, cfile);
if (token != COLON)
break;
token = next_token (&val,
(unsigned *)0, cfile);
} while (token == NUMBER ||
token == NUMBER_OR_NAME);
dhcpctl_set_data_value (oh, buf,
(unsigned)(s - buf), s1);
break;
default:
printf ("invalid value.\n");
skip_to_semi (cfile);
}
if (token != END_OF_FILE && token != EOL)
goto set_usage;
break;
case UNSET:
token = next_token (&val, (unsigned *)0, cfile);
if ((!is_identifier (token) && token != STRING)) {
unset_usage:
printf ("usage: unset <name>\n");
skip_to_semi (cfile);
break;
}
if (!oh) {
printf ("no open object.\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
s1[0] = '\0';
strncat (s1, val, sizeof(s1)-1);
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL)
goto unset_usage;
dhcpctl_set_null_value (oh, s1);
break;
case TOKEN_CREATE:
case TOKEN_OPEN:
i = token;
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: %s\n", val);
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
if (!oh) {
printf ("you must make a new object first!\n");
skip_to_semi (cfile);
break;
}
if (i == TOKEN_CREATE)
i = DHCPCTL_CREATE | DHCPCTL_EXCL;
else
i = 0;
status = dhcpctl_open_object (oh, connection, i);
if (status == ISC_R_SUCCESS)
status = dhcpctl_wait_for_completion
(oh, &waitstatus);
if (status == ISC_R_SUCCESS)
status = waitstatus;
if (status != ISC_R_SUCCESS) {
printf ("can't open object: %s\n",
isc_result_totext (status));
break;
}
break;
case UPDATE:
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: %s\n", val);
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
skip_to_semi (cfile);
break;
}
if (!oh) {
printf ("you haven't opened an object yet!\n");
skip_to_semi (cfile);
break;
}
status = dhcpctl_object_update(connection, oh);
if (status == ISC_R_SUCCESS)
status = dhcpctl_wait_for_completion
(oh, &waitstatus);
if (status == ISC_R_SUCCESS)
status = waitstatus;
if (status != ISC_R_SUCCESS) {
printf ("can't update object: %s\n",
isc_result_totext (status));
break;
}
break;
case REMOVE:
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: remove\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
break;
}
if (!oh) {
printf ("no object.\n");
break;
}
status = dhcpctl_object_remove(connection, oh);
if (status == ISC_R_SUCCESS)
status = dhcpctl_wait_for_completion
(oh, &waitstatus);
if (status == ISC_R_SUCCESS)
status = waitstatus;
if (status != ISC_R_SUCCESS) {
printf ("can't destroy object: %s\n",
isc_result_totext (status));
break;
}
omapi_object_dereference (&oh, MDL);
break;
case REFRESH:
token = next_token (&val, (unsigned *)0, cfile);
if (token != END_OF_FILE && token != EOL) {
printf ("usage: refresh\n");
skip_to_semi (cfile);
break;
}
if (!connected) {
printf ("not connected.\n");
break;
}
if (!oh) {
printf ("no object.\n");
break;
}
status = dhcpctl_object_refresh(connection, oh);
if (status == ISC_R_SUCCESS)
status = dhcpctl_wait_for_completion
(oh, &waitstatus);
if (status == ISC_R_SUCCESS)
status = waitstatus;
if (status != ISC_R_SUCCESS) {
printf ("can't refresh object: %s\n",
isc_result_totext (status));
break;
}
break;
}
end_parse (&cfile);
} while (1);
exit (0);
}
/* Sigh */
isc_result_t dhcp_set_control_state (control_object_state_t oldstate,
control_object_state_t newstate)
{
return ISC_R_SUCCESS;
}