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/*
* Ouroboros - Copyright (C) 2016 - 2017
*
* Bootstrap IPC Processes
*
* Dimitri Staessens <dimitri.staessens@ugent.be>
* Sander Vrijders <sander.vrijders@ugent.be>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., http://www.fsf.org/about/contact/.
*/
#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 SHIM_UDP "shim-udp"
#define SHIM_ETH_LLC "shim-eth-llc"
#define LOCAL "local"
#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 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"
" dif <DIF name>\n"
" type [TYPE]\n"
"where TYPE = {" NORMAL " " LOCAL " "
SHIM_UDP " " SHIM_ETH_LLC"},\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"
"where ADDRESS_POLICY = {"FLAT_RANDOM_ADDR_AUTH"}\n"
" ROUTING_POLICY = {"LINK_STATE_ROUTING"}\n"
" PFF_POLICY = {" SIMPLE_PFF " " ALTERNATE_PFF "}\n"
" ALGORITHM = {" SHA3_224 " " SHA3_256 " "
SHA3_384 " " SHA3_512 "}\n\n"
"if TYPE == " SHIM_UDP "\n"
" ip <IP address in dotted notation>\n"
" [dns <DDNS IP address in dotted notation>"
" (default: none)]\n\n"
"if TYPE == " SHIM_ETH_LLC "\n"
" if_name <interface name>\n",
DEFAULT_ADDR_SIZE, DEFAULT_FD_SIZE, FLAT_RANDOM_ADDR_AUTH,
LINK_STATE_ROUTING, SIMPLE_PFF, SHA3_256);
}
int do_bootstrap_ipcp(int argc, char ** argv)
{
char * name = NULL;
pid_t api;
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 * apis = NULL;
ssize_t len = 0;
int i = 0;
while (argc > 0) {
if (matches(*argv, "type") == 0) {
ipcp_type = *(argv + 1);
} else if (matches(*argv, "dif") == 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;
argc++;
argv--;
} 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
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 -= 2;
argv += 2;
}
if (name == NULL || dif_name == NULL || ipcp_type == NULL) {
usage();
return -1;
}
strcpy(conf.dif_info.dif_name, dif_name);
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;
conf.dif_info.dir_hash_algo = hash_algo;
} else if (strcmp(ipcp_type, SHIM_UDP) == 0) {
conf.type = IPCP_SHIM_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, SHIM_ETH_LLC) == 0) {
conf.type = IPCP_SHIM_ETH_LLC;
if (if_name == NULL) {
usage();
return -1;
}
conf.if_name = if_name;
} else {
usage();
return -1;
}
len = irm_list_ipcps(name, &apis);
if (len <= 0) {
api = irm_create_ipcp(name, conf.type);
if (api == 0)
return -1;
len = irm_list_ipcps(name, &apis);
}
for (i = 0; i < len; i++)
if (irm_bootstrap_ipcp(apis[i], &conf)) {
free(apis);
return -1;
}
if (apis != NULL)
free(apis);
return 0;
unknown_param:
printf("Unknown parameter for %s: \"%s\".\n", *argv, *(argv + 1));
return -1;
}
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