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/*
* Ouroboros - Copyright (C) 2016 - 2018
*
* Bootstrap IPC Processes
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* 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 the copyright holder 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <arpa/inet.h>
#ifdef __FreeBSD__
#include <sys/socket.h>
#endif
#include <ouroboros/irm.h>
#include <ouroboros/ipcp.h>
#include "irm_ops.h"
#include "irm_utils.h"
#define NORMAL "normal"
#define UDP "udp"
#define ETH_LLC "eth-llc"
#define LOCAL "local"
#define RAPTOR "raptor"
#define MD5 "MD5"
#define SHA3_224 "SHA3_224"
#define SHA3_256 "SHA3_256"
#define SHA3_384 "SHA3_384"
#define SHA3_512 "SHA3_512"
#define DEFAULT_ADDR_SIZE 4
#define DEFAULT_FD_SIZE 2
#define DEFAULT_DDNS 0
#define DEFAULT_ADDR_AUTH ADDR_AUTH_FLAT_RANDOM
#define DEFAULT_ROUTING ROUTING_LINK_STATE
#define DEFAULT_PFF PFF_SIMPLE
#define DEFAULT_HASH_ALGO DIR_HASH_SHA3_256
#define FLAT_RANDOM_ADDR_AUTH "flat"
#define LINK_STATE_ROUTING "link_state"
#define LINK_STATE_LFA_ROUTING "lfa"
#define SIMPLE_PFF "simple"
#define ALTERNATE_PFF "alternate"
static void usage(void)
{
/* FIXME: Add ipcp_config stuff */
printf("Usage: irm ipcp bootstrap\n"
" name <ipcp name>\n"
" layer <layer name>\n"
" type [TYPE]\n"
"where TYPE = {" NORMAL " " LOCAL " "
UDP " " ETH_LLC " " RAPTOR "},\n\n"
"if TYPE == " NORMAL "\n"
" [addr <address size> (default: %d)]\n"
" [fd <fd size> (default: %d)]\n"
" [ttl (add time to live value in the PCI)]\n"
" [addr_auth <ADDRESS_POLICY> (default: %s)]\n"
" [routing <ROUTING_POLICY> (default: %s)]\n"
" [pff [PFF_POLICY] (default: %s)]\n"
" [hash [ALGORITHM] (default: %s)]\n"
" [autobind]\n"
"where ADDRESS_POLICY = {"FLAT_RANDOM_ADDR_AUTH"}\n"
" ROUTING_POLICY = {"LINK_STATE_ROUTING " "
LINK_STATE_LFA_ROUTING "}\n"
" PFF_POLICY = {" SIMPLE_PFF " " ALTERNATE_PFF "}\n"
" ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n"
"if TYPE == " UDP "\n"
" ip <IP address in dotted notation>\n"
" [dns <DDNS IP address in dotted notation>"
" (default: none)]\n\n"
"if TYPE == " ETH_LLC "\n"
" if_name <interface name>\n"
" [hash [ALGORITHM] (default: %s)]\n"
"where ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n"
"if TYPE == " LOCAL "\n"
" [hash [ALGORITHM] (default: %s)]\n"
"where ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n"
"if TYPE == " RAPTOR "\n"
" [hash [ALGORITHM] (default: %s)]\n"
"where ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n",
DEFAULT_ADDR_SIZE, DEFAULT_FD_SIZE, FLAT_RANDOM_ADDR_AUTH,
LINK_STATE_ROUTING, SIMPLE_PFF, SHA3_256, SHA3_256, SHA3_256,
SHA3_256);
}
int do_bootstrap_ipcp(int argc,
char ** argv)
{
char * name = NULL;
pid_t pid;
struct ipcp_config conf;
uint8_t addr_size = DEFAULT_ADDR_SIZE;
uint8_t fd_size = DEFAULT_FD_SIZE;
bool has_ttl = false;
enum pol_addr_auth addr_auth_type = DEFAULT_ADDR_AUTH;
enum pol_routing routing_type = DEFAULT_ROUTING;
enum pol_pff pff_type = DEFAULT_PFF;
enum pol_dir_hash hash_algo = DEFAULT_HASH_ALGO;
uint32_t ip_addr = 0;
uint32_t dns_addr = DEFAULT_DDNS;
char * ipcp_type = NULL;
char * dif_name = NULL;
char * if_name = NULL;
pid_t * pids = NULL;
ssize_t len = 0;
int i = 0;
bool autobind = false;
int cargs;
while (argc > 0) {
cargs = 2;
if (matches(*argv, "type") == 0) {
ipcp_type = *(argv + 1);
} else if (matches(*argv, "layer") == 0) {
dif_name = *(argv + 1);
} else if (matches(*argv, "name") == 0) {
name = *(argv + 1);
} else if (matches(*argv, "hash") == 0) {
if (strcmp(*(argv + 1), SHA3_224) == 0)
hash_algo = DIR_HASH_SHA3_224;
else if (strcmp(*(argv + 1), SHA3_256) == 0)
hash_algo = DIR_HASH_SHA3_256;
else if (strcmp(*(argv + 1), SHA3_384) == 0)
hash_algo = DIR_HASH_SHA3_384;
else if (strcmp(*(argv + 1), SHA3_512) == 0)
hash_algo = DIR_HASH_SHA3_512;
else
goto unknown_param;
} else if (matches(*argv, "ip") == 0) {
if (inet_pton (AF_INET, *(argv + 1), &ip_addr) != 1)
goto unknown_param;
} else if (matches(*argv, "dns") == 0) {
if (inet_pton(AF_INET, *(argv + 1), &dns_addr) != 1)
goto unknown_param;
} else if (matches(*argv, "if_name") == 0) {
if_name = *(argv + 1);
} else if (matches(*argv, "addr") == 0) {
addr_size = atoi(*(argv + 1));
} else if (matches(*argv, "fd") == 0) {
fd_size = atoi(*(argv + 1));
} else if (matches(*argv, "ttl") == 0) {
has_ttl = true;
cargs = 1;
} else if (matches(*argv, "autobind") == 0) {
autobind = true;
cargs = 1;
} else if (matches(*argv, "addr_auth") == 0) {
if (strcmp(FLAT_RANDOM_ADDR_AUTH, *(argv + 1)) == 0)
addr_auth_type = ADDR_AUTH_FLAT_RANDOM;
else
goto unknown_param;
} else if (matches(*argv, "routing") == 0) {
if (strcmp(LINK_STATE_ROUTING, *(argv + 1)) == 0)
routing_type = ROUTING_LINK_STATE;
else if (strcmp(LINK_STATE_LFA_ROUTING,
*(argv + 1)) == 0)
routing_type = ROUTING_LINK_STATE_LFA;
else
goto unknown_param;
} else if (matches(*argv, "pff") == 0) {
if (strcmp(SIMPLE_PFF, *(argv + 1)) == 0)
pff_type = PFF_SIMPLE;
else if (strcmp(ALTERNATE_PFF, *(argv + 1)) == 0)
pff_type = PFF_ALTERNATE;
else
goto unknown_param;
} else {
printf("Unknown option: \"%s\".\n", *argv);
return -1;
}
argc -= cargs;
argv += cargs;
}
if (name == NULL || dif_name == NULL || ipcp_type == NULL) {
usage();
return -1;
}
strcpy(conf.dif_info.dif_name, dif_name);
if (strcmp(ipcp_type, UDP) != 0)
conf.dif_info.dir_hash_algo = hash_algo;
if (strcmp(ipcp_type, NORMAL) == 0) {
conf.type = IPCP_NORMAL;
conf.addr_size = addr_size;
conf.fd_size = fd_size;
conf.has_ttl = has_ttl;
conf.addr_auth_type = addr_auth_type;
conf.routing_type = routing_type;
conf.pff_type = pff_type;
} else if (strcmp(ipcp_type, UDP) == 0) {
conf.type = IPCP_UDP;
if (ip_addr == 0) {
usage();
return -1;
}
conf.ip_addr = ip_addr;
conf.dns_addr = dns_addr;
} else if (strcmp(ipcp_type, LOCAL) == 0) {
conf.type = IPCP_LOCAL;
} else if (strcmp(ipcp_type, RAPTOR) == 0) {
conf.type = IPCP_RAPTOR;
} else if (strcmp(ipcp_type, ETH_LLC) == 0) {
conf.type = IPCP_ETH_LLC;
if (if_name == NULL) {
usage();
return -1;
}
conf.if_name = if_name;
} else {
usage();
return -1;
}
if (autobind && conf.type != IPCP_NORMAL) {
printf("Can only bind normal IPCPs, autobind disabled.\n");
autobind = false;
}
len = irm_list_ipcps(name, &pids);
if (len <= 0) {
pid = irm_create_ipcp(name, conf.type);
if (pid <= 0)
return -1;
len = irm_list_ipcps(name, &pids);
}
for (i = 0; i < len; i++) {
if (autobind && irm_bind_process(pids[i], name)) {
printf("Failed to bind %d to %s.\n", pids[i], name);
free(pids);
return -1;
}
if (autobind && irm_bind_process(pids[i], dif_name)) {
printf("Failed to bind %d to %s.\n", pids[i], dif_name);
irm_unbind_process(pids[i], name);
free(pids);
return -1;
}
if (irm_bootstrap_ipcp(pids[i], &conf)) {
if (autobind) {
irm_unbind_process(pids[i], name);
irm_unbind_process(pids[i], dif_name);
}
free(pids);
return -1;
}
}
free(pids);
return 0;
unknown_param:
printf("Unknown parameter for %s: \"%s\".\n", *argv, *(argv + 1));
return -1;
}
|
