Exemplo n.º 1
0
Arquivo: if.c Projeto: yellowman/nsh
int
intrtd(char *ifname, int ifs, int argc, char **argv)
{
	StringList *dbreturn;
	char *cmdpath, *cmdname;
	int set;

	if (NO_ARG(argv[0])) {
		argv++;
		argc--;
		set = 0;
	} else
		set = 1;

	if (isprefix(argv[0], "rtadvd")) {
		cmdname = "rtadvd";
		cmdpath = RTADVD;
	} else {
		printf("%% intrtd: Internal error\n");
		return 0;
	}

	if (argc > 1) {
		printf ("%% %s\n", cmdname);
		printf ("%% no %s\n", cmdname);
		return(0);
	}

	dbreturn = sl_init();
	if (db_select_flag_x_ctl(dbreturn, cmdname, ifname) < 0) {
		printf("%% database failure select flag x ctl\n");
		sl_free(dbreturn, 1);
		return(1);
	}
	if (dbreturn->sl_cur > 0) {
		/* already found in db for ifname */
		if (!set) {
			if (db_delete_flag_x_ctl(cmdname, ifname) < 0)
				printf("%% database delete failure\n");
		} else {
			printf("%% %s already running\n", cmdname);
		}
		if (!set && strcmp(cmdname, "rtadvd") == 0) {
			char *args[] = { PKILL, cmdpath, "-c",
			    "/var/run/rtadvd.0", ifname, '\0' };

			cmdargs(PKILL, args);
		}
	} else {
		/* not found in db for ifname */
		if (set) {
			if(db_insert_flag_x(cmdname, ifname, 0, DB_X_ENABLE,
			    NULL) < 0) {
				printf("%% database insert failure\n");
				sl_free(dbreturn, 1);
				return(1);
			}
		} else {
			printf("%% %s not running\n", cmdname);
		}
		if (set && strcmp(cmdname, "rtadvd") == 0) {
			char *args[] = { cmdpath, "-c", "/var/run/rtadvd.0",
			    ifname, '\0' };

			cmdargs(cmdpath, args);
		}
	}
	sl_free(dbreturn, 1);
	return(0);
}
Exemplo n.º 2
0
Arquivo: ppp.c Projeto: sthen/nsh
/* auth proto, auth name, auth key, peer proto, peer name, peer key, peer flag */
int
intsppp(char *ifname, int ifs, int argc, char **argv)
{
	struct sauthreq spa;
	struct ifreq ifr;
	int set, ch, i, cmd = 0;

	/* command options for 'auth' */
	static struct nopts authopts[] = {
		{ "proto",	req_arg,	'p' },
		{ "name",	req_arg,	'n' },
		{ "key",	req_arg,	'k' },
		{ NULL,		0,		0 }
	};

	/* command options for 'peer' */
	static struct nopts peeropts[] = {
		{ "proto",	req_arg,	'p' },
		{ "name",	req_arg,	'n' },
		{ "key",	req_arg,	'k' },
		{ "flag",	req_arg,	'f' },
		{ NULL,		0,		0 }
	};

	/* intsppp commands */
	struct intspppcmd {
		char *name;
		int cmd;
		void (*usage)();
		struct nopts *nopts;
	};
	struct intspppcmd intspppcmds[] = {
		{ "auth",	SPPPIOSMAUTH,	authusage,	authopts },
		{ "peer",	SPPPIOSHAUTH,	peerusage,	peeropts },
	};
	struct intspppcmd *isc = NULL;

	/* get rid of 'no' arg */
	if (NO_ARG(argv[0])) {
		set = 0;
		argc--;
		argv++;
	} else
		set = 1;

	/* point to right intspppcmd */
	for (i = 0; i < nitems(intspppcmds); i++) {
		if (isprefix(argv[0], intspppcmds[i].name))
			isc = &intspppcmds[i];
	}
	if (isc == NULL) {
		printf("%% intsppp: Internal error\n");
		return(0);
	}

	argc--;
	argv++;

	ifr.ifr_data = (caddr_t)&spa;

	/* setup spa */
	memset(&spa, 0, sizeof(spa));
	spa.cmd = isc->cmd;

	/* usage? */
	if (argc < 1 && set) {
		(*isc->usage)();
		return(0);
	}

	/* parse */
	noptind = 0;
	while ((ch = nopt(argc, argv, isc->nopts)) != -1)
		switch (ch) {
#define	__proto 1<<0
		case 'p':	/* proto */
			cmd |= __proto;
			for (i = 0; i < nitems(spppproto); i++) {
				if (isprefix(argv[noptind - 1],
				    spppproto[i].name))
					spa.proto = spppproto[i].type;
			}
			if (!spa.proto) {
				printf("%% Unknown proto: %s\n",
				    argv[noptind -1 ]);
				return(0);
			}
			break;
#define	__name	1<<1
		case 'n':	/* name */
			cmd |= __name;
			if (strlcpy(spa.name, argv[noptind - 1],
			    sizeof(spa.name)) >= sizeof(spa.name)) {
				printf("%% Name too long (> %lu): %s\n",
				    sizeof(spa.name), argv[noptind - 1]);
				return(0);
			}
			break;
#define	__key	1<<2
		case 'k':	/* key */
			cmd |= __key;
			if (strlcpy(spa.secret, argv[noptind - 1],
			    sizeof(spa.secret)) >= sizeof(spa.secret)) {
				printf("%% Key too long (> %lu): %s\n",
				    sizeof(spa.secret), argv[noptind - 1]);
				return(0);
			}
			break;
#define	__flag	1<<3
		case 'f':	/* flag */
			cmd |= __flag;
			if (isprefix(argv[noptind - 1], "callin")) {
				spa.flags = AUTHFLAG_NOCALLOUT;
			} else if (isprefix(argv[noptind - 1],
			    "norechallenge")) {
				spa.flags = AUTHFLAG_NORECHALLENGE;
			} else {
				printf("%% Unknown flag: %s",
			    argv[noptind - 1]);
				return(0);
			}
			break;
		default:
			printf("%% intsppp: nopt table error\n");
			return(0);
		}

	if (argc - noptind != 0) {
		/* leftover salmon */
		printf("%% %s", nopterr);
		if (argv[noptind])
			printf(": %s", argv[noptind]);
		printf("\n");
		(*isc->usage)();
		return(0);
	}

	if (argc < 1)
		cmd = __proto | __name | __key | __flag;

	if (!set) {
		spa.proto = 0;
		spa.flags = 0;
		memset(&spa.name, '\0', sizeof(spa.name));
		memset(&spa.secret, '\0', sizeof(spa.secret));
	}

	strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
	if (ioctl(ifs, SIOCSSPPPPARAMS, &ifr) == -1) {
		printf("%% intspppproto: SIOCSSPPPPARAMS: "
		    "SPPPIOS%sAUTH: %s\n", strerror(errno),
		    isc->cmd == SPPPIOSMAUTH ? "M" : "H");
		return 0;
	}
	if (cmd & __key) {
		char type[TYPESZ];

		snprintf(type, TYPESZ, "%skey", isc->name);
		db_delete_flag_x_ctl(type, ifname);
		if (set) {
			db_insert_flag_x(type, ifname, 0, DB_X_ENABLE,
			    spa.secret);
		}
	}

	return 0;
}
Exemplo n.º 3
0
Arquivo: if.c Projeto: yellowman/nsh
int
intlladdr(char *ifname, int ifs, int argc, char **argv)
{
	StringList *hwdaddr;
	char *lladdr, llorig[sizeof("00:00:00:00:00:00") + 1];
	struct ether_addr *addr;
	struct ifreq ifr;
	int set;

	if (NO_ARG(argv[0])) {
		argv++;
		argc--;
		set = 0;
	} else
		set = 1;

	if (set && argc < 2) {
		printf ("%% lladdr <link level address|random>\n");
		printf ("%% no lladdr\n");
		return(0);
	}

	if ((lladdr = get_hwdaddr(ifname)) == NULL) {
		printf("%% Failed to retrieve current link level address\n");
		return(1);
	}

	hwdaddr = sl_init();
	if (db_select_flag_x_ctl(hwdaddr, "lladdr", ifname) < 0) {
		printf("%% database failure select flag x ctl\n");
		sl_free(hwdaddr, 1);
		return(1);
	}
	if (hwdaddr->sl_cur > 0) {
		strlcpy(llorig, hwdaddr->sl_str[0], sizeof(llorig));
		if (!set && db_delete_flag_x_ctl("lladdr", ifname) < 0) {
				printf("%% database delete failure\n");
				sl_free(hwdaddr, 1);
				return(1);
		}
	} else {
		strlcpy(llorig, lladdr, sizeof(llorig));
		if (set && db_insert_flag_x("lladdr", ifname, 0, DB_X_ENABLE,
		    llorig) < 0) {
			printf("%% database delete failure\n");
			sl_free(hwdaddr, 1);
			return(1);
		}
		if (!set) {
			printf("%% No stored lladdr to reinstate\n");
			sl_free(hwdaddr, 1);
			return(1);
		}
	}
	sl_free(hwdaddr, 1);

	/* At this point, llorig will always represent the booted lladdr */

	if (set && isprefix(argv[1], "random")) {
		struct ether_addr eabuf;

		arc4random_buf(&eabuf, sizeof eabuf);
		eabuf.ether_addr_octet[0] &= 0xfc;
		addr = &eabuf;
	} else {
		addr = ether_aton(set ? argv[1] : llorig);
		if (addr == NULL) {
			if (set) {
				printf("%% MAC addresses are six hexadecimal "
				    "fields, up to two digits each,\n"
				    " %% separated with colons"
				    " (1:23:45:ab:cd:ef)\n");
				return(1);
			} else {
				printf("%% database corrupted, unable to "
				    " retrieve original lladdr\n");
				return(1);
			}
		} 
	}

	strlcpy(ifr.ifr_name, ifname, sizeof(ifr.ifr_name));
	ifr.ifr_addr.sa_len = ETHER_ADDR_LEN;
	ifr.ifr_addr.sa_family = AF_LINK;
	bcopy(addr, ifr.ifr_addr.sa_data, ETHER_ADDR_LEN);
	if(ioctl(ifs, SIOCSIFLLADDR, (caddr_t)&ifr) < 0) {
		switch(errno) {
		case EINVAL:
			printf("%% Requested link level address denied\n");
			break;
		default:
			printf("%% intlladdr: SIOCSIFLLADDR: %s\n",
			    strerror(errno));
		}
		return(1);
	}

	return(0);
}