* OR MODIFICATIONS.
*/
-#define RCSID "$Id: sys-svr4.c,v 1.34 1999/09/08 01:11:16 masputra Exp $"
+#define RCSID "$Id: sys-svr4.c,v 1.35 1999/09/30 19:59:06 masputra Exp $"
#include <limits.h>
#include <stdio.h>
#include <sys/tiuser.h>
#include <inet/common.h>
#include <inet/mib2.h>
+#include <sys/ethernet.h>
#endif
#include "pppd.h"
static int ipfd;
static int ipmuxid = -1;
+#if defined(INET6) && defined(SOL2)
+static int ip6fd; /* IP file descriptor */
+static int ip6muxid = -1; /* Multiplexer file descriptor */
+static int if6_is_up = 0; /* IPv6 interface has been marked up */
+
+#define _IN6_LLX_FROM_EUI64(l, s, eui64, as) do { \
+ s->sin6_addr.s6_addr32[0] = htonl(as); \
+ eui64_copy(eui64, s->sin6_addr.s6_addr32[2]); \
+ s->sin6_family = AF_INET6; \
+ l.lifr_addr.ss_family = AF_INET6; \
+ l.lifr_addrlen = 10; \
+ l.lifr_addr = laddr; \
+ } while (0)
+
+#define IN6_LLADDR_FROM_EUI64(l, s, eui64) \
+ _IN6_LLX_FROM_EUI64(l, s, eui64, 0xfe800000)
+
+#define IN6_LLTOKEN_FROM_EUI64(l, s, eui64) \
+ _IN6_LLX_FROM_EUI64(l, s, eui64, 0)
+
+#endif /* defined(INET6) && defined(SOL2) */
+
static int restore_term;
static struct termios inittermios;
#ifndef CRTSCTS
static int baud_rate_of __P((int));
static int get_ether_addr __P((u_int32_t, struct sockaddr *));
static int get_hw_addr __P((char *, u_int32_t, struct sockaddr *));
+static int get_hw_addr_dlpi __P((char *, struct sockaddr *));
static int dlpi_attach __P((int, int));
static int dlpi_info_req __P((int));
static int dlpi_get_reply __P((int, union DL_primitives *, int, int));
int fd;
int ppa;
{
- if (ioctl(fd, IF_UNITSEL, (char *)&ppa) < 0) {
- return 0;
- }
-
- return 1;
+ return (int)ioctl(fd, IF_UNITSEL, (char *)&ppa);
}
#endif /* SOL2 */
+#if defined(SOL2) && defined(INET6)
+/*
+ * slifname - Sets interface ppa and flags
+ *
+ * in addition to the comments stated in sifppa(), IFF_IPV6 bit must
+ * be set in order to declare this as an IPv6 interface
+ */
+static int
+slifname(fd, ppa)
+ int fd;
+ int ppa;
+{
+ struct lifreq lifr;
+ int ret;
+
+ memset(&lifr, 0, sizeof(lifr));
+ ret = ioctl(fd, SIOCGLIFFLAGS, &lifr);
+ if (ret < 0)
+ goto slifname_done;
+
+ lifr.lifr_flags |= IFF_IPV6;
+ lifr.lifr_flags &= ~(IFF_BROADCAST | IFF_IPV4);
+ lifr.lifr_ppa = ppa;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+
+ ret = ioctl(fd, SIOCSLIFNAME, &lifr);
+
+slifname_done:
+ return ret;
+
+
+}
+
+/*
+ * ether_to_eui64 - Convert 48-bit Ethernet address into 64-bit EUI
+ *
+ * walks the list of valid ethernet interfaces, and convert the first
+ * found 48-bit MAC address into EUI 64. caller also assumes that
+ * the system has a properly configured Ethernet interface for this
+ * function to return non-zero.
+ */
+int
+ether_to_eui64(eui64_t *p_eui64)
+{
+ struct lifnum lifn;
+ struct lifconf lifc;
+ struct lifreq *plifreq;
+ struct lifreq lifr;
+ int fd, num_ifs, i, found;
+ uint_t fl, req_size;
+ char *req;
+ struct sockaddr s_eth_addr;
+ struct ether_addr *eth_addr = (struct ether_addr *)&s_eth_addr.sa_data;
+
+ fd = socket(AF_INET, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ return 0;
+ }
+
+ /*
+ * Find out how many interfaces are running
+ */
+ lifn.lifn_family = AF_UNSPEC;
+ lifn.lifn_flags = LIFC_NOXMIT;
+ if (ioctl(fd, SIOCGLIFNUM, &lifn) < 0) {
+ close(fd);
+ error("could not determine number of interfaces: %m");
+ return 0;
+ }
+
+ num_ifs = lifn.lifn_count;
+ req_size = num_ifs * sizeof(struct lifreq);
+ req = malloc(req_size);
+ if (req == NULL) {
+ close(fd);
+ error("out of memory");
+ return 0;
+ }
+
+ /*
+ * Get interface configuration info for all interfaces
+ */
+ lifc.lifc_family = AF_UNSPEC;
+ lifc.lifc_flags = LIFC_NOXMIT;
+ lifc.lifc_len = req_size;
+ lifc.lifc_buf = req;
+ if (ioctl(fd, SIOCGLIFCONF, &lifc) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGLIFCONF: %m");
+ return 0;
+ }
+
+ /*
+ * And traverse each interface to look specifically for the first
+ * occurence of an Ethernet interface which has been marked up
+ */
+ plifreq = lifc.lifc_req;
+ found = 0;
+ for (i = lifc.lifc_len / sizeof(struct lifreq); i>0; i--, plifreq++) {
+
+ if (strchr(plifreq->lifr_name, ':') != NULL)
+ continue;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strncpy(lifr.lifr_name, plifreq->lifr_name, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ free(req);
+ error("SIOCGLIFFLAGS: %m");
+ return 0;
+ }
+ fl = lifr.lifr_flags;
+
+ if ((fl & (IFF_UP|IFF_BROADCAST|IFF_POINTOPOINT|IFF_LOOPBACK|IFF_NOARP))
+ != (IFF_UP | IFF_BROADCAST))
+ continue;
+
+ found = 1;
+ break;
+ }
+ free(req);
+ close(fd);
+
+ if (!found) {
+ error("no persistent id can be found");
+ return 0;
+ }
+
+ /*
+ * Send DL_INFO_REQ to the driver to solicit its MAC address
+ */
+ if (!get_hw_addr_dlpi(plifreq->lifr_name, &s_eth_addr)) {
+ error("could not obtain hardware address for %s", plifreq->lifr_name);
+ return 0;
+ }
+
+ /*
+ * And convert the EUI-48 into EUI-64, per RFC 2472 [sec 4.1]
+ */
+ p_eui64->e8[0] = (eth_addr->ether_addr_octet[0] & 0xFF) | 0x02;
+ p_eui64->e8[1] = (eth_addr->ether_addr_octet[1] & 0xFF);
+ p_eui64->e8[2] = (eth_addr->ether_addr_octet[2] & 0xFF);
+ p_eui64->e8[3] = 0xFF;
+ p_eui64->e8[4] = 0xFE;
+ p_eui64->e8[5] = (eth_addr->ether_addr_octet[3] & 0xFF);
+ p_eui64->e8[6] = (eth_addr->ether_addr_octet[4] & 0xFF);
+ p_eui64->e8[7] = (eth_addr->ether_addr_octet[5] & 0xFF);
+
+ return 1;
+}
+#endif /* defined(SOL2) && defined(INET6) */
+
/*
* sys_init - System-dependent initialization.
*/
sys_init()
{
int ifd, x;
-#ifndef sun
+#if defined(INET6) && defined(SOL2)
+ int i6fd;
+#endif /* defined(INET6) && defined(SOL2) */
+#if !defined(SOL2)
struct ifreq ifr;
struct {
union DL_primitives prim;
char space[64];
} reply;
-#endif
+#endif /* !defined(SOL2) */
ipfd = open("/dev/ip", O_RDWR, 0);
if (ipfd < 0)
fatal("Couldn't open IP device: %m");
+#if defined(INET6) && defined(SOL2)
+ ip6fd = open("/dev/ip", O_RDWR, 0);
+ if (ip6fd < 0)
+ fatal("Couldn't open IP device (2): %m");
+#endif /* defined(INET6) && defined(SOL2) */
+
if (default_device && !notty)
tty_sid = getsid((pid_t)0);
x = PPPDBG_LOG + PPPDBG_DRIVER;
strioctl(ifd, PPPIO_DEBUG, &x, sizeof(int), 0);
}
-#ifdef sun
+
+#if defined(INET6) && defined(SOL2)
+ /*
+ * Since sys_init() is called prior to ifname being set in main(),
+ * we need to get the ifname now, otherwise slifname() will fail,
+ * or maybe, I should move slifname() to a later point ?
+ */
+ sprintf(ifname, "ppp%d", ifunit);
+
+ i6fd = open("/dev/ppp", O_RDWR, 0);
+ if (i6fd < 0) {
+ close(ifd);
+ fatal("Can't open /dev/ppp (3): %m");
+ }
+ if (kdebugflag & 1) {
+ x = PPPDBG_LOG + PPPDBG_DRIVER;
+ strioctl(i6fd, PPPIO_DEBUG, &x, sizeof(int), 0);
+ }
+#endif /* defined(INET6) && defined(SOL2) */
+
+#if defined(SOL2)
if (ioctl(ifd, I_PUSH, "ip") < 0) {
close(ifd);
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
fatal("Can't push IP module: %m");
}
-#ifdef SOL2
/*
* Assign ppa according to the unit number returned by ppp device
* after plumbing is completed above.
*/
if (sifppa(ifd, ifunit) < 0) {
close (ifd);
+#if defined(INET6)
+ close(i6fd);
+#endif /* defined(INET6) */
fatal("Can't set ppa for unit %d: %m", ifunit);
}
-#endif /* SOL2 */
-#else
+#if defined(INET6)
+ /*
+ * An IPv6 interface is created anyway, even when the user does not
+ * explicitly enable it. Note that the interface will be marked
+ * IPv6 during slifname().
+ */
+ if (ioctl(i6fd, I_PUSH, "ip") < 0) {
+ close(ifd);
+ close(i6fd);
+ fatal("Can't push IP module (2): %m");
+ }
+
+ /*
+ * Assign ppa according to the unit number returned by ppp device
+ * after plumbing is completed above. In addition, mark the interface
+ * as an IPv6 interface.
+ */
+ if (slifname(i6fd, ifunit) < 0) {
+ close(ifd);
+ close(i6fd);
+ fatal("Can't set ifname for unit %d: %m", ifunit);
+ }
+#endif /* defined(INET6) */
+
+#else /* else if !defined(SOL2) */
+
if (dlpi_attach(ifd, ifunit) < 0 ||
dlpi_get_reply(ifd, &reply.prim, DL_OK_ACK, sizeof(reply)) < 0) {
close(ifd);
fatal("Can't attach to ppp%d: %m", ifunit);
}
-#endif
+#endif /* defined(SOL2) */
+
ipmuxid = ioctl(ipfd, I_LINK, ifd);
close(ifd);
if (ipmuxid < 0)
fatal("Can't link PPP device to IP: %m");
-#ifndef sun
+#if defined(INET6) && defined(SOL2)
+ ip6muxid = ioctl(ip6fd, I_LINK, i6fd);
+ close(i6fd);
+ if (ip6muxid < 0)
+ fatal("Can't link PPP device to IP (2): %m");
+#endif /* defined(INET6) && defined(SOL2) */
+
+#if !defined(SOL2)
/* Set the interface name for the link. */
slprintf(ifr.ifr_name, sizeof(ifr.ifr_name), "ppp%d", ifunit);
ifr.ifr_metric = ipmuxid;
if (strioctl(ipfd, SIOCSIFNAME, (char *)&ifr, sizeof ifr, 0) < 0)
fatal("Can't set interface name %s: %m", ifr.ifr_name);
-#endif
+#endif /* !defined(SOL2) */
n_pollfds = 0;
}
{
struct ifreq ifr;
+#if defined(SOL2) && defined(INET6)
+ if (if6_is_up)
+ sif6down(0);
+#endif /* defined(SOL2) && defined(INET6) */
if (if_is_up)
sifdown(0);
if (default_route_gateway)
sys_close()
{
close(ipfd);
+#if defined(INET6) && defined(SOL2)
+ close(ip6fd);
+#endif /* defined(INET6) && defined(SOL2) */
if (pppfd >= 0)
close(pppfd);
}
{
int cf[2];
struct ifreq ifr;
+#if defined(INET6) && defined(SOL2)
+ struct lifreq lifr;
+ int fd;
+#endif /* defined(INET6) && defined(SOL2) */
link_mtu = mtu;
if (strioctl(pppfd, PPPIO_MTU, &mtu, sizeof(mtu), 0) < 0) {
if (ioctl(ipfd, SIOCSIFMTU, &ifr) < 0) {
error("Couldn't set IP MTU: %m");
}
+
+#if defined(INET6) && defined(SOL2)
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ error("Couldn't open IPv6 socket: %m");
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ lifr.lifr_mtu = link_mtu;
+ if (ioctl(fd, SIOCSLIFMTU, &lifr) < 0) {
+ close(fd);
+ error("Couldn't set IPv6 MTU: %m");
+ }
+ close(fd);
+#endif /* defined(INET6) && defined(SOL2) */
}
/*
return 1;
}
+#if defined(SOL2) && defined(INET6)
+/*
+ * sif6up - Config the IPv6 interface up and enable IPv6 packets to pass.
+ */
+int
+sif6up(u)
+ int u;
+{
+ struct lifreq lifr;
+ int fd;
+
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0) {
+ return 0;
+ }
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ lifr.lifr_flags |= IFF_UP;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCSLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ if6_is_up = 1;
+ close(fd);
+ return 1;
+}
+
+/*
+ * sifdown - Config the IPv6 interface down and disable IPv6.
+ */
+int
+sif6down(u)
+ int u;
+{
+ struct lifreq lifr;
+ int fd;
+
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ return 0;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ lifr.lifr_flags &= ~IFF_UP;
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ if (ioctl(fd, SIOCGLIFFLAGS, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ if6_is_up = 0;
+ close(fd);
+ return 1;
+}
+
+/*
+ * sif6addr - Config the interface with an IPv6 link-local address
+ */
+int
+sif6addr(u, o, h)
+ int u;
+ eui64_t o, h;
+{
+ struct lifreq lifr;
+ struct sockaddr_storage laddr;
+ struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)&laddr;
+ int fd;
+
+ fd = socket(AF_INET6, SOCK_DGRAM, 0);
+ if (fd < 0)
+ return 0;
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+
+ /*
+ * Do this because /dev/ppp responds to DL_PHYS_ADDR_REQ with
+ * zero values, hence the interface token came to be zero too,
+ * and without this, in.ndpd will complain
+ */
+ IN6_LLTOKEN_FROM_EUI64(lifr, sin6, o);
+ if (ioctl(fd, SIOCSLIFTOKEN, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ /*
+ * Set the interface address and destination address
+ */
+ IN6_LLADDR_FROM_EUI64(lifr, sin6, o);
+ if (ioctl(fd, SIOCSLIFADDR, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ memset(&lifr, 0, sizeof(lifr));
+ strlcpy(lifr.lifr_name, ifname, sizeof(lifr.lifr_name));
+ IN6_LLADDR_FROM_EUI64(lifr, sin6, h);
+ if (ioctl(fd, SIOCSLIFDSTADDR, &lifr) < 0) {
+ close(fd);
+ return 0;
+ }
+
+ return 1;
+}
+
+/*
+ * cif6addr - Remove the IPv6 address from interface
+ */
+int
+cif6addr(u, o, h)
+ int u;
+ eui64_t o, h;
+{
+ return 1;
+}
+
+#endif /* defined(SOL2) && defined(INET6) */
+
+
#define INET_ADDR(x) (((struct sockaddr_in *) &(x))->sin_addr.s_addr)
/*
}
/*
- * get_hw_addr - obtain the hardware address for a named interface.
+ * get_hw_addr_dlpi - obtain the hardware address using DLPI
*/
static int
-get_hw_addr(name, ina, hwaddr)
+get_hw_addr_dlpi(name, hwaddr)
char *name;
- u_int32_t ina;
struct sockaddr *hwaddr;
{
-#if 1
- /* New way - get the address by doing an arp request. */
- int s;
- struct arpreq req;
-
- s = socket(AF_INET, SOCK_DGRAM, 0);
- if (s < 0)
- return 0;
- memset(&req, 0, sizeof(req));
- req.arp_pa.sa_family = AF_INET;
- INET_ADDR(req.arp_pa) = ina;
- if (ioctl(s, SIOCGARP, &req) < 0) {
- error("Couldn't get ARP entry for %s: %m", ip_ntoa(ina));
- return 0;
- }
- *hwaddr = req.arp_ha;
- hwaddr->sa_family = AF_UNSPEC;
-
-#else /* 0 */
char *p, *q;
int unit, iffd, adrlen;
unsigned char *adrp;
adrlen = reply.prim.info_ack.dl_addr_length;
adrp = (unsigned char *)&reply + reply.prim.info_ack.dl_addr_offset;
+
#if DL_CURRENT_VERSION >= 2
if (reply.prim.info_ack.dl_sap_length < 0)
adrlen += reply.prim.info_ack.dl_sap_length;
else
adrp += reply.prim.info_ack.dl_sap_length;
#endif
+
hwaddr->sa_family = AF_UNSPEC;
memcpy(hwaddr->sa_data, adrp, adrlen);
-#endif /* 0 */
+
+ return 1;
+}
+/*
+ * get_hw_addr - obtain the hardware address for a named interface.
+ */
+static int
+get_hw_addr(name, ina, hwaddr)
+ char *name;
+ u_int32_t ina;
+ struct sockaddr *hwaddr;
+{
+ /* New way - get the address by doing an arp request. */
+ int s;
+ struct arpreq req;
+
+ s = socket(AF_INET, SOCK_DGRAM, 0);
+ if (s < 0)
+ return 0;
+ memset(&req, 0, sizeof(req));
+ req.arp_pa.sa_family = AF_INET;
+ INET_ADDR(req.arp_pa) = ina;
+ if (ioctl(s, SIOCGARP, &req) < 0) {
+ error("Couldn't get ARP entry for %s: %m", ip_ntoa(ina));
+ return 0;
+ }
+ *hwaddr = req.arp_ha;
+ hwaddr->sa_family = AF_UNSPEC;
return 1;
}
projects / ppp.git / commitdiff