[EMAIL PROTECTED]
SDF Public Access UNIX System - http://sdf.lonestar.org
---------- Forwarded message ----------
Date: Fri, 21 Feb 2003 14:47:14 -0300 (BRT)
From: User Procergs <[EMAIL PROTECTED]>
To: [EMAIL PROTECTED]
--- bootp_subr.c-old Fri Feb 21 14:39:51 2003
+++ bootp_subr.c Fri Feb 21 14:40:22 2003
@@ -1,6 +1,7 @@
-/* $FreeBSD: src/sys/nfs/bootp_subr.c,v 1.20.2.8 2002/03/16 15:56:06 luigi Exp $
*/
+/* $FreeBSD: src/sys/nfs/bootp_subr.c,v 1.20.2.8 2002/03/16 15:56:06 luigi Exp $
+ */
/*
+ * Copyright (c) 2002 Marcelo Leal
* Copyright (c) 1995 Gordon Ross, Adam Glass
* Copyright (c) 1992 Regents of the University of California.
* All rights reserved.
@@ -19,8 +20,8 @@
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Lawrence Berkeley Laboratory and its contributors.
+ * This product includes software developed by the University of
+ * California, Lawrence Berkeley Laboratory and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
@@ -39,7 +40,7 @@
*
* based on:
* nfs/krpc_subr.c
- * $NetBSD: krpc_subr.c,v 1.10 1995/08/08 20:43:43 gwr Exp $
+ * $NetBSD: krpc_subr.c,v 1.10 1995/08/08 20:43:43 gwr Exp $
*/
#include "opt_bootp.h"
@@ -56,14 +57,11 @@
#include <sys/socketvar.h>
#include <sys/sysctl.h>
#include <sys/uio.h>
-
#include <net/if.h>
#include <net/route.h>
-
#include <netinet/in.h>
#include <net/if_types.h>
#include <net/if_dl.h>
-
#include <nfs/rpcv2.h>
#include <nfs/nfsproto.h>
#include <nfs/nfs.h>
@@ -71,1987 +69,377 @@
#include <nfs/krpc.h>
#include <nfs/xdr_subs.h>
-
-#define BOOTP_MIN_LEN 300 /* Minimum size of bootp udp packet */
-
-#ifndef BOOTP_SETTLE_DELAY
-#define BOOTP_SETTLE_DELAY 3
-#endif
-
-/*
- * What is the longest we will wait before re-sending a request?
- * Note this is also the frequency of "RPC timeout" messages.
- * The re-send loop count sup linearly to this maximum, so the
- * first complaint will happen after (1+2+3+4+5)=15 seconds.
- */
-#define MAX_RESEND_DELAY 5 /* seconds */
-
-/* Definitions from RFC951 */
-struct bootp_packet {
- u_int8_t op;
- u_int8_t htype;
- u_int8_t hlen;
- u_int8_t hops;
- u_int32_t xid;
- u_int16_t secs;
- u_int16_t flags;
- struct in_addr ciaddr;
- struct in_addr yiaddr;
- struct in_addr siaddr;
- struct in_addr giaddr;
- unsigned char chaddr[16];
- char sname[64];
- char file[128];
- unsigned char vend[1222];
-};
-
-struct bootpc_ifcontext {
- struct bootpc_ifcontext *next;
- struct bootp_packet call;
- struct bootp_packet reply;
- int replylen;
- int overload;
- struct socket *so;
- struct ifreq ireq;
- struct ifnet *ifp;
- struct sockaddr_dl *sdl;
- struct sockaddr_in myaddr;
- struct sockaddr_in netmask;
- struct sockaddr_in gw;
- struct sockaddr_in broadcast; /* Different for each interface */
- int gotgw;
- int gotnetmask;
- int gotrootpath;
- int outstanding;
- int sentmsg;
- u_int32_t xid;
- enum {
- IF_BOOTP_UNRESOLVED,
- IF_BOOTP_RESOLVED,
- IF_BOOTP_FAILED,
- IF_DHCP_UNRESOLVED,
- IF_DHCP_OFFERED,
- IF_DHCP_RESOLVED,
- IF_DHCP_FAILED,
- } state;
- int dhcpquerytype; /* dhcp type sent */
- struct in_addr dhcpserver;
- int gotdhcpserver;
-};
-
-#define TAG_MAXLEN 1024
-struct bootpc_tagcontext {
- char buf[TAG_MAXLEN + 1];
- int overload;
- int badopt;
- int badtag;
- int foundopt;
- int taglen;
-};
-
-struct bootpc_globalcontext {
- struct bootpc_ifcontext *interfaces;
- struct bootpc_ifcontext *lastinterface;
- u_int32_t xid;
- int gotrootpath;
- int gotswappath;
- int gotgw;
- int ifnum;
- int secs;
- int starttime;
- struct bootp_packet reply;
- int replylen;
- struct bootpc_ifcontext *setswapfs;
- struct bootpc_ifcontext *setrootfs;
- struct bootpc_ifcontext *sethostname;
- char lookup_path[24];
- struct bootpc_tagcontext tmptag;
- struct bootpc_tagcontext tag;
-};
-
-#define IPPORT_BOOTPC 68
-#define IPPORT_BOOTPS 67
-
-#define BOOTP_REQUEST 1
-#define BOOTP_REPLY 2
-
-/* Common tags */
-#define TAG_PAD 0 /* Pad option, implicit length 1 */
-#define TAG_SUBNETMASK 1 /* RFC 950 subnet mask */
-#define TAG_ROUTERS 3 /* Routers (in order of preference) */
-#define TAG_HOSTNAME 12 /* Client host name */
-#define TAG_ROOT 17 /* Root path */
-
-/* DHCP specific tags */
-#define TAG_OVERLOAD 52 /* Option Overload */
-#define TAG_MAXMSGSIZE 57 /* Maximum DHCP Message Size */
-
-#define TAG_END 255 /* End Option (i.e. no more options) */
-
-/* Overload values */
-#define OVERLOAD_FILE 1
-#define OVERLOAD_SNAME 2
-
-/* Site specific tags: */
-#define TAG_SWAP 128
-#define TAG_SWAPSIZE 129
-#define TAG_ROOTOPTS 130
-#define TAG_SWAPOPTS 131
-#define TAG_COOKIE 134 /* ascii info for userland, exported via sysctl */
-
-#define TAG_DHCP_MSGTYPE 53
-#define TAG_DHCP_REQ_ADDR 50
-#define TAG_DHCP_SERVERID 54
-#define TAG_DHCP_LEASETIME 51
-
-#define DHCP_NOMSG 0
-#define DHCP_DISCOVER 1
-#define DHCP_OFFER 2
-#define DHCP_REQUEST 3
-#define DHCP_ACK 5
+#define ETHER_ADDR_LEN 6
extern int nfs_diskless_valid;
extern struct nfsv3_diskless nfsv3_diskless;
-static char bootp_cookie[128];
-SYSCTL_DECL(_kern);
-SYSCTL_STRING(_kern, OID_AUTO, bootp_cookie, CTLFLAG_RD,
- bootp_cookie, 0, "Cookie (T134) supplied by bootp server");
-
-/* mountd RPC */
-static int md_mount(struct sockaddr_in *mdsin, char *path,
- u_char *fhp, int *fhsizep,
- struct nfs_args *args,struct proc *procp);
-static int md_lookup_swap(struct sockaddr_in *mdsin,char *path,
- u_char *fhp, int *fhsizep,
- struct nfs_args *args,
- struct proc *procp);
-static int setfs(struct sockaddr_in *addr, char *path, char *p);
-static int getdec(char **ptr);
-static char *substr(char *a,char *b);
-static void mountopts(struct nfs_args *args, char *p);
+extern struct nfs_diskless nfs_diskless;
+struct nfsv3_diskless *nd3;
+struct nfs_diskless *nd = &nfs_diskless;
+
+static int get_file_handle(struct sockaddr_in *mdsin, char *path, u_char *fhp, int
+*fhsizep, struct nfs_args *args,struct proc *procp);
static int xdr_opaque_decode(struct mbuf **ptr, u_char *buf, int len);
static int xdr_int_decode(struct mbuf **ptr, int *iptr);
static void print_in_addr(struct in_addr addr);
static void print_sin_addr(struct sockaddr_in *addr);
-static void clear_sinaddr(struct sockaddr_in *sin);
-static
-struct bootpc_ifcontext *allocifctx(struct bootpc_globalcontext *gctx);
-static void bootpc_compose_query(struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx,
- struct proc *procp);
-static unsigned char *bootpc_tag(struct bootpc_tagcontext *tctx,
- struct bootp_packet *bp, int len, int tag);
-static void bootpc_tag_helper(struct bootpc_tagcontext *tctx,
- unsigned char *start, int len, int tag);
-
-#ifdef BOOTP_DEBUG
-void bootpboot_p_sa(struct sockaddr *sa,struct sockaddr *ma);
-void bootpboot_p_ma(struct sockaddr *ma);
-void bootpboot_p_rtentry(struct rtentry *rt);
-void bootpboot_p_tree(struct radix_node *rn);
-void bootpboot_p_rtlist(void);
-void bootpboot_p_if(struct ifnet *ifp, struct ifaddr *ifa);
-void bootpboot_p_iflist(void);
-#endif
-
-static int bootpc_call(struct bootpc_globalcontext *gctx,
- struct proc *procp);
-
-static int bootpc_fakeup_interface(struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx,
- struct proc *procp);
-
-static int bootpc_adjust_interface(struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx,
- struct proc *procp);
-
-static void bootpc_decode_reply(struct nfsv3_diskless *nd,
- struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx);
-
-static int bootpc_received(struct bootpc_globalcontext *gctx,
- struct bootpc_ifcontext *ifctx);
-
-static __inline int bootpc_ifctx_isresolved(struct bootpc_ifcontext *ifctx);
-static __inline int bootpc_ifctx_isunresolved(struct bootpc_ifcontext *ifctx);
-static __inline int bootpc_ifctx_isfailed(struct bootpc_ifcontext *ifctx);
-
-void bootpc_init(void);
-
-/*
- * In order to have multiple active interfaces with address 0.0.0.0
- * and be able to send data to a selected interface, we perform
- * some tricks:
- *
- * - The 'broadcast' address is different for each interface.
- *
- * - We temporarily add routing pointing 255.255.255.255 to the
- * selected interface broadcast address, thus the packet sent
- * goes to that interface.
- */
-
-#ifdef BOOTP_DEBUG
-void
-bootpboot_p_sa(struct sockaddr *sa,
- struct sockaddr *ma)
-{
- if (sa == NULL) {
- printf("(sockaddr *) <null>");
- return;
- }
- switch (sa->sa_family) {
- case AF_INET:
- {
- struct sockaddr_in *sin;
-
- sin = (struct sockaddr_in *) sa;
- printf("inet ");
- print_sin_addr(sin);
- if (ma != NULL) {
- sin = (struct sockaddr_in *) ma;
- printf(" mask ");
- print_sin_addr(sin);
- }
- }
- break;
- case AF_LINK:
- {
- struct sockaddr_dl *sli;
- int i;
-
- sli = (struct sockaddr_dl *) sa;
- printf("link %.*s ", sli->sdl_nlen, sli->sdl_data);
- for (i = 0; i < sli->sdl_alen; i++) {
- if (i > 0)
- printf(":");
- printf("%x", ((unsigned char *) LLADDR(sli))[i]);
- }
- }
- break;
- default:
- printf("af%d", sa->sa_family);
- }
-}
-
-
-void
-bootpboot_p_ma(struct sockaddr *ma)
-{
- if (ma == NULL) {
- printf("<null>");
- return;
- }
- printf("%x", *(int *)ma);
-}
-
-
-void
-bootpboot_p_rtentry(struct rtentry *rt)
-{
- bootpboot_p_sa(rt_key(rt), rt_mask(rt));
- printf(" ");
- bootpboot_p_ma(rt->rt_genmask);
- printf(" ");
- bootpboot_p_sa(rt->rt_gateway, NULL);
- printf(" ");
- printf("flags %x", (unsigned short) rt->rt_flags);
- printf(" %d", (int) rt->rt_rmx.rmx_expire);
- printf(" %s%d\n", rt->rt_ifp->if_name, rt->rt_ifp->if_unit);
-}
-
-
-void
-bootpboot_p_tree(struct radix_node *rn)
-{
- while (rn != NULL) {
- if (rn->rn_bit < 0) {
- if ((rn->rn_flags & RNF_ROOT) != 0) {
- } else {
- bootpboot_p_rtentry((struct rtentry *) rn);
- }
- rn = rn->rn_dupedkey;
- } else {
- bootpboot_p_tree(rn->rn_left);
- bootpboot_p_tree(rn->rn_right);
- return;
- }
- }
-}
-
-
-void
-bootpboot_p_rtlist(void)
-{
- printf("Routing table:\n");
- bootpboot_p_tree(rt_tables[AF_INET]->rnh_treetop);
-}
-
-
-void
-bootpboot_p_if(struct ifnet *ifp, struct ifaddr *ifa)
-{
- printf("%s%d flags %x, addr ",
- ifp->if_name,
- ifp->if_unit,
- (unsigned short) ifp->if_flags);
- print_sin_addr((struct sockaddr_in *) ifa->ifa_addr);
- printf(", broadcast ");
- print_sin_addr((struct sockaddr_in *) ifa->ifa_dstaddr);
- printf(", netmask ");
- print_sin_addr((struct sockaddr_in *) ifa->ifa_netmask);
- printf("\n");
-}
-
-
-void
-bootpboot_p_iflist(void)
-{
- struct ifnet *ifp;
- struct ifaddr *ifa;
-
- printf("Interface list:\n");
- for (ifp = TAILQ_FIRST(&ifnet);
- ifp != NULL;
- ifp = TAILQ_NEXT(ifp, if_link)) {
- for (ifa = TAILQ_FIRST(&ifp->if_addrhead);
- ifa != NULL;
- ifa = TAILQ_NEXT(ifa, ifa_link))
- if (ifa->ifa_addr->sa_family == AF_INET)
- bootpboot_p_if(ifp, ifa);
- }
-}
-#endif /* defined(BOOTP_DEBUG) */
-
-
+static void nfs_convert_diskless __P((void));
+static void nfs_convert_oargs __P((struct nfs_args *args,
+ struct onfs_args *oargs));
+
static void
-clear_sinaddr(struct sockaddr_in *sin)
-{
- bzero(sin, sizeof(*sin));
- sin->sin_len = sizeof(*sin);
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = INADDR_ANY; /* XXX: htonl(INAADDR_ANY) ? */
- sin->sin_port = 0;
-}
-
-
-static struct bootpc_ifcontext *
-allocifctx(struct bootpc_globalcontext *gctx)
-{
- struct bootpc_ifcontext *ifctx;
- ifctx = (struct bootpc_ifcontext *) malloc(sizeof(*ifctx),
- M_TEMP, M_WAITOK);
- if (ifctx == NULL)
- panic("Failed to allocate bootp interface context structure");
-
- bzero(ifctx, sizeof(*ifctx));
- ifctx->xid = gctx->xid;
-#ifdef BOOTP_NO_DHCP
- ifctx->state = IF_BOOTP_UNRESOLVED;
-#else
- ifctx->state = IF_DHCP_UNRESOLVED;
-#endif
- gctx->xid += 0x100;
- return ifctx;
-}
-
-
-static __inline int
-bootpc_ifctx_isresolved(struct bootpc_ifcontext *ifctx)
-{
- if (ifctx->state == IF_BOOTP_RESOLVED ||
- ifctx->state == IF_DHCP_RESOLVED)
- return 1;
- return 0;
-}
-
-
-static __inline int
-bootpc_ifctx_isunresolved(struct bootpc_ifcontext *ifctx)
-{
- if (ifctx->state == IF_BOOTP_UNRESOLVED ||
- ifctx->state == IF_DHCP_UNRESOLVED)
- return 1;
- return 0;
-}
-
-
-static __inline int
-bootpc_ifctx_isfailed(struct bootpc_ifcontext *ifctx)
-{
- if (ifctx->state == IF_BOOTP_FAILED ||
- ifctx->state == IF_DHCP_FAILED)
- return 1;
- return 0;
-}
-
-
-static int
-bootpc_received(struct bootpc_globalcontext *gctx,
- struct bootpc_ifcontext *ifctx)
-{
- unsigned char dhcpreplytype;
- char *p;
- /*
- * Need timeout for fallback to less
- * desirable alternative.
- */
-
-
- /* This call used for the side effect (badopt flag) */
- (void) bootpc_tag(&gctx->tmptag, &gctx->reply,
- gctx->replylen,
- TAG_END);
-
- /* If packet is invalid, ignore it */
- if (gctx->tmptag.badopt != 0)
- return 0;
-
- p = bootpc_tag(&gctx->tmptag, &gctx->reply,
- gctx->replylen, TAG_DHCP_MSGTYPE);
- if (p != NULL)
- dhcpreplytype = *p;
- else
- dhcpreplytype = DHCP_NOMSG;
-
- switch (ifctx->dhcpquerytype) {
- case DHCP_DISCOVER:
- if (dhcpreplytype != DHCP_OFFER /* Normal DHCP offer */
-#ifndef BOOTP_FORCE_DHCP
- && dhcpreplytype != DHCP_NOMSG /* Fallback to BOOTP */
-#endif
- )
- return 0;
- break;
- case DHCP_REQUEST:
- if (dhcpreplytype != DHCP_ACK)
- return 0;
- case DHCP_NOMSG:
- }
-
-
- /* Ignore packet unless it gives us a root tag we didn't have */
-
- if ((ifctx->state == IF_BOOTP_RESOLVED ||
- (ifctx->dhcpquerytype == DHCP_DISCOVER &&
- (ifctx->state == IF_DHCP_OFFERED ||
- ifctx->state == IF_DHCP_RESOLVED))) &&
- (bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen,
- TAG_ROOT) != NULL ||
- bootpc_tag(&gctx->tmptag, &gctx->reply,
- gctx->replylen,
- TAG_ROOT) == NULL))
- return 0;
-
- bcopy(&gctx->reply,
- &ifctx->reply,
- gctx->replylen);
- ifctx->replylen = gctx->replylen;
-
- /* XXX: Only reset if 'perfect' response */
- if (ifctx->state == IF_BOOTP_UNRESOLVED)
- ifctx->state = IF_BOOTP_RESOLVED;
- else if (ifctx->state == IF_DHCP_UNRESOLVED &&
- ifctx->dhcpquerytype == DHCP_DISCOVER) {
- if (dhcpreplytype == DHCP_OFFER)
- ifctx->state = IF_DHCP_OFFERED;
- else
- ifctx->state = IF_BOOTP_RESOLVED; /* Fallback */
- } else if (ifctx->state == IF_DHCP_OFFERED &&
- ifctx->dhcpquerytype == DHCP_REQUEST)
- ifctx->state = IF_DHCP_RESOLVED;
-
-
- if (ifctx->dhcpquerytype == DHCP_DISCOVER &&
- ifctx->state != IF_BOOTP_RESOLVED) {
- p = bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen, TAG_DHCP_SERVERID);
- if (p != NULL && gctx->tmptag.taglen == 4) {
- memcpy(&ifctx->dhcpserver, p, 4);
- ifctx->gotdhcpserver = 1;
- } else
- ifctx->gotdhcpserver = 0;
- return 1;
- }
-
- ifctx->gotrootpath = (bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen,
- TAG_ROOT) != NULL);
- ifctx->gotgw = (bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen,
- TAG_ROUTERS) != NULL);
- ifctx->gotnetmask = (bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen,
- TAG_SUBNETMASK) != NULL);
- return 1;
-}
-
-static int
-bootpc_call(struct bootpc_globalcontext *gctx,
- struct proc *procp)
-{
- struct socket *so;
- struct sockaddr_in *sin, dst;
- struct uio auio;
- struct sockopt sopt;
- struct iovec aio;
- int error, on, rcvflg, timo, len;
- time_t atimo;
- time_t rtimo;
- struct timeval tv;
- struct bootpc_ifcontext *ifctx;
- int outstanding;
- int gotrootpath;
- int retry;
- const char *s;
-
- /*
- * Create socket and set its recieve timeout.
- */
- error = socreate(AF_INET, &so, SOCK_DGRAM, 0, procp);
- if (error != 0)
- goto out;
-
- tv.tv_sec = 1;
- tv.tv_usec = 0;
- bzero(&sopt, sizeof(sopt));
- sopt.sopt_level = SOL_SOCKET;
- sopt.sopt_name = SO_RCVTIMEO;
- sopt.sopt_val = &tv;
- sopt.sopt_valsize = sizeof tv;
-
- error = sosetopt(so, &sopt);
- if (error != 0)
- goto out;
-
- /*
- * Enable broadcast.
- */
- on = 1;
- sopt.sopt_name = SO_BROADCAST;
- sopt.sopt_val = &on;
- sopt.sopt_valsize = sizeof on;
-
- error = sosetopt(so, &sopt);
- if (error != 0)
- goto out;
-
- /*
- * Disable routing.
- */
-
- on = 1;
- sopt.sopt_name = SO_DONTROUTE;
- sopt.sopt_val = &on;
- sopt.sopt_valsize = sizeof on;
-
- error = sosetopt(so, &sopt);
- if (error != 0)
- goto out;
-
- /*
- * Bind the local endpoint to a bootp client port.
- */
- sin = &dst;
- clear_sinaddr(sin);
- sin->sin_port = htons(IPPORT_BOOTPC);
- error = sobind(so, (struct sockaddr *)sin, procp);
- if (error != 0) {
- printf("bind failed\n");
- goto out;
- }
-
- /*
- * Setup socket address for the server.
- */
- sin = &dst;
- clear_sinaddr(sin);
- sin->sin_addr.s_addr = INADDR_BROADCAST;
- sin->sin_port = htons(IPPORT_BOOTPS);
-
- /*
- * Send it, repeatedly, until a reply is received,
- * but delay each re-send by an increasing amount.
- * If the delay hits the maximum, start complaining.
- */
- timo = 0;
- rtimo = 0;
- for (;;) {
-
- outstanding = 0;
- gotrootpath = 0;
-
- for (ifctx = gctx->interfaces;
- ifctx != NULL;
- ifctx = ifctx->next) {
- if (bootpc_ifctx_isresolved(ifctx) != 0 &&
- bootpc_tag(&gctx->tmptag, &ifctx->reply,
- ifctx->replylen,
- TAG_ROOT) != NULL)
- gotrootpath = 1;
- }
-
- for (ifctx = gctx->interfaces;
- ifctx != NULL;
- ifctx = ifctx->next) {
- ifctx->outstanding = 0;
- if (bootpc_ifctx_isresolved(ifctx) != 0 &&
- gotrootpath != 0) {
- continue;
- }
- if (bootpc_ifctx_isfailed(ifctx) != 0)
- continue;
-
- outstanding++;
- ifctx->outstanding = 1;
-
- /* Proceed to next step in DHCP negotiation */
- if ((ifctx->state == IF_DHCP_OFFERED &&
- ifctx->dhcpquerytype != DHCP_REQUEST) ||
- (ifctx->state == IF_DHCP_UNRESOLVED &&
- ifctx->dhcpquerytype != DHCP_DISCOVER) ||
- (ifctx->state == IF_BOOTP_UNRESOLVED &&
- ifctx->dhcpquerytype != DHCP_NOMSG)) {
- ifctx->sentmsg = 0;
- bootpc_compose_query(ifctx, gctx, procp);
- }
-
- /* Send BOOTP request (or re-send). */
-
- if (ifctx->sentmsg == 0) {
- switch(ifctx->dhcpquerytype) {
- case DHCP_DISCOVER:
- s = "DHCP Discover";
- break;
- case DHCP_REQUEST:
- s = "DHCP Request";
- break;
- case DHCP_NOMSG:
- default:
- s = "BOOTP Query";
- break;
- }
- printf("Sending %s packet from "
- "interface %s (%*D)\n",
- s,
- ifctx->ireq.ifr_name,
- ifctx->sdl->sdl_alen,
- (unsigned char *) LLADDR(ifctx->sdl),
- ":");
- ifctx->sentmsg = 1;
- }
-
- aio.iov_base = (caddr_t) &ifctx->call;
- aio.iov_len = sizeof(ifctx->call);
-
- auio.uio_iov = &aio;
- auio.uio_iovcnt = 1;
- auio.uio_segflg = UIO_SYSSPACE;
- auio.uio_rw = UIO_WRITE;
- auio.uio_offset = 0;
- auio.uio_resid = sizeof(ifctx->call);
- auio.uio_procp = procp;
-
- /* Set netmask to 0.0.0.0 */
-
- sin = (struct sockaddr_in *) &ifctx->ireq.ifr_addr;
- clear_sinaddr(sin);
- error = ifioctl(ifctx->so, SIOCSIFNETMASK,
- (caddr_t) &ifctx->ireq, procp);
- if (error != 0)
- panic("bootpc_call:"
- "set if netmask, error=%d",
- error);
-
- error = sosend(so, (struct sockaddr *) &dst,
- &auio, NULL, NULL, 0, procp);
- if (error != 0) {
- printf("bootpc_call: sosend: %d state %08x\n",
- error, (int) so->so_state);
- }
-
- /* XXX: Is this needed ? */
- tsleep(&error, PZERO + 8, "bootpw", 10);
-
- /* Set netmask to 255.0.0.0 */
-
- sin = (struct sockaddr_in *) &ifctx->ireq.ifr_addr;
- clear_sinaddr(sin);
- sin->sin_addr.s_addr = htonl(0xff000000u);
- error = ifioctl(ifctx->so, SIOCSIFNETMASK,
- (caddr_t) &ifctx->ireq, procp);
- if (error != 0)
- panic("bootpc_call:"
- "set if netmask, error=%d",
- error);
-
- }
-
- if (outstanding == 0 &&
- (rtimo == 0 || time_second >= rtimo)) {
- error = 0;
- goto gotreply;
- }
-
- /* Determine new timeout. */
- if (timo < MAX_RESEND_DELAY)
- timo++;
- else {
- printf("DHCP/BOOTP timeout for server ");
- print_sin_addr(&dst);
- printf("\n");
- }
-
- /*
- * Wait for up to timo seconds for a reply.
- * The socket receive timeout was set to 1 second.
- */
- atimo = timo + time_second;
- while (time_second < atimo) {
- aio.iov_base = (caddr_t) &gctx->reply;
- aio.iov_len = sizeof(gctx->reply);
-
- auio.uio_iov = &aio;
- auio.uio_iovcnt = 1;
- auio.uio_segflg = UIO_SYSSPACE;
- auio.uio_rw = UIO_READ;
- auio.uio_offset = 0;
- auio.uio_resid = sizeof(gctx->reply);
- auio.uio_procp = procp;
-
- rcvflg = 0;
- error = soreceive(so, NULL, &auio,
- NULL, NULL, &rcvflg);
- gctx->secs = time_second - gctx->starttime;
- for (ifctx = gctx->interfaces;
- ifctx != NULL;
- ifctx = ifctx->next) {
- if (bootpc_ifctx_isresolved(ifctx) != 0 ||
- bootpc_ifctx_isfailed(ifctx) != 0)
- continue;
-
- ifctx->call.secs = htons(gctx->secs);
- }
- if (error == EWOULDBLOCK)
- continue;
- if (error != 0)
- goto out;
- len = sizeof(gctx->reply) - auio.uio_resid;
-
- /* Do we have the required number of bytes ? */
- if (len < BOOTP_MIN_LEN)
- continue;
- gctx->replylen = len;
-
- /* Is it a reply? */
- if (gctx->reply.op != BOOTP_REPLY)
- continue;
-
- /* Is this an answer to our query */
- for (ifctx = gctx->interfaces;
- ifctx != NULL;
- ifctx = ifctx->next) {
- if (gctx->reply.xid != ifctx->call.xid)
- continue;
-
- /* Same HW address size ? */
- if (gctx->reply.hlen != ifctx->call.hlen)
- continue;
-
- /* Correct HW address ? */
- if (bcmp(gctx->reply.chaddr,
- ifctx->call.chaddr,
- ifctx->call.hlen) != 0)
- continue;
-
- break;
- }
-
- if (ifctx != NULL) {
- s = bootpc_tag(&gctx->tmptag,
- &gctx->reply,
- gctx->replylen,
- TAG_DHCP_MSGTYPE);
- if (s != NULL) {
- switch (*s) {
- case DHCP_OFFER:
- s = "DHCP Offer";
- break;
- case DHCP_ACK:
- s = "DHCP Ack";
- break;
- default:
- s = "DHCP (unexpected)";
- break;
- }
- } else
- s = "BOOTP Reply";
-
- printf("Received %s packet"
- " on %s from ",
- s,
- ifctx->ireq.ifr_name);
- print_in_addr(gctx->reply.siaddr);
- if (gctx->reply.giaddr.s_addr !=
- htonl(INADDR_ANY)) {
- printf(" via ");
- print_in_addr(gctx->reply.giaddr);
- }
- if (bootpc_received(gctx, ifctx) != 0) {
- printf(" (accepted)");
- if (ifctx->outstanding) {
- ifctx->outstanding = 0;
- outstanding--;
- }
- /* Network settle delay */
- if (outstanding == 0)
- atimo = time_second +
- BOOTP_SETTLE_DELAY;
- } else
- printf(" (ignored)");
- if (ifctx->gotrootpath) {
- gotrootpath = 1;
- rtimo = time_second +
- BOOTP_SETTLE_DELAY;
- printf(" (got root path)");
- } else
- printf(" (no root path)");
- printf("\n");
- }
- } /* while secs */
-#ifdef BOOTP_TIMEOUT
- if (gctx->secs > BOOTP_TIMEOUT && BOOTP_TIMEOUT > 0)
- break;
-#endif
- /* Force a retry if halfway in DHCP negotiation */
- retry = 0;
- for (ifctx = gctx->interfaces; ifctx != NULL;
- ifctx = ifctx->next) {
- if (ifctx->state == IF_DHCP_OFFERED) {
- if (ifctx->dhcpquerytype == DHCP_DISCOVER)
- retry = 1;
- else
- ifctx->state = IF_DHCP_UNRESOLVED;
- }
- }
-
- if (retry != 0)
- continue;
-
- if (gotrootpath != 0) {
- gctx->gotrootpath = gotrootpath;
- if (rtimo != 0 && time_second >= rtimo)
- break;
- }
- } /* forever send/receive */
-
- /*
- * XXX: These are errors of varying seriousness being silently
- * ignored
- */
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next) {
- if (bootpc_ifctx_isresolved(ifctx) == 0) {
- printf("%s timeout for interface %s\n",
- ifctx->dhcpquerytype != DHCP_NOMSG ?
- "DHCP" : "BOOTP",
- ifctx->ireq.ifr_name);
- }
- }
- if (gctx->gotrootpath != 0) {
-#if 0
- printf("Got a root path, ignoring remaining timeout\n");
-#endif
- error = 0;
- goto out;
- }
-#ifndef BOOTP_NFSROOT
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next) {
- if (bootpc_ifctx_isresolved(ifctx) != 0) {
- error = 0;
- goto out;
- }
- }
-#endif
- error = ETIMEDOUT;
- goto out;
-
-gotreply:
-out:
- soclose(so);
- return error;
-}
-
-
-static int
-bootpc_fakeup_interface(struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx,
- struct proc *procp)
-{
- struct sockaddr_in *sin;
- int error;
-
- struct ifreq *ireq;
- struct socket *so;
- struct ifaddr *ifa;
- struct sockaddr_dl *sdl;
-
- error = socreate(AF_INET, &ifctx->so, SOCK_DGRAM, 0, procp);
- if (error != 0)
- panic("nfs_boot: socreate, error=%d", error);
-
- ireq = &ifctx->ireq;
- so = ifctx->so;
-
- /*
- * Bring up the interface.
- *
- * Get the old interface flags and or IFF_UP into them; if
- * IFF_UP set blindly, interface selection can be clobbered.
- */
- error = ifioctl(so, SIOCGIFFLAGS, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_fakeup_interface: GIFFLAGS, error=%d", error);
- ireq->ifr_flags |= IFF_UP;
- error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_fakeup_interface: SIFFLAGS, error=%d", error);
-
- /*
- * Do enough of ifconfig(8) so that the chosen interface
- * can talk to the servers. (just set the address)
- */
-
- /* addr is 0.0.0.0 */
-
- sin = (struct sockaddr_in *) &ireq->ifr_addr;
- clear_sinaddr(sin);
- error = ifioctl(so, SIOCSIFADDR, (caddr_t) ireq, procp);
- if (error != 0 && (error != EEXIST || ifctx == gctx->interfaces))
- panic("bootpc_fakeup_interface: "
- "set if addr, error=%d", error);
-
- /* netmask is 255.0.0.0 */
-
- sin = (struct sockaddr_in *) &ireq->ifr_addr;
- clear_sinaddr(sin);
- sin->sin_addr.s_addr = htonl(0xff000000u);
- error = ifioctl(so, SIOCSIFNETMASK, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_fakeup_interface: set if netmask, error=%d",
- error);
-
- /* Broadcast is 255.255.255.255 */
-
- sin = (struct sockaddr_in *)&ireq->ifr_addr;
- clear_sinaddr(sin);
- clear_sinaddr(&ifctx->broadcast);
- sin->sin_addr.s_addr = htonl(INADDR_BROADCAST);
- ifctx->broadcast.sin_addr.s_addr = sin->sin_addr.s_addr;
-
- error = ifioctl(so, SIOCSIFBRDADDR, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_fakeup_interface: "
- "set if broadcast addr, error=%d",
- error);
-
- /* Get HW address */
-
- sdl = NULL;
- for (ifa = TAILQ_FIRST(&ifctx->ifp->if_addrhead);
- ifa != NULL;
- ifa = TAILQ_NEXT(ifa,ifa_link))
- if (ifa->ifa_addr->sa_family == AF_LINK &&
- (sdl = ((struct sockaddr_dl *) ifa->ifa_addr)) != NULL &&
- sdl->sdl_type == IFT_ETHER)
- break;
-
- if (sdl == NULL)
- panic("bootpc: Unable to find HW address for %s",
- ifctx->ireq.ifr_name);
- ifctx->sdl = sdl;
-
- return error;
-}
-
-
-static int
-bootpc_adjust_interface(struct bootpc_ifcontext *ifctx,
- struct bootpc_globalcontext *gctx,
- struct proc *procp)
-{
- int error;
- struct sockaddr_in defdst;
- struct sockaddr_in defmask;
- struct sockaddr_in *sin;
-
- struct ifreq *ireq;
- struct socket *so;
- struct sockaddr_in *myaddr;
- struct sockaddr_in *netmask;
- struct sockaddr_in *gw;
-
- ireq = &ifctx->ireq;
- so = ifctx->so;
- myaddr = &ifctx->myaddr;
- netmask = &ifctx->netmask;
- gw = &ifctx->gw;
-
- if (bootpc_ifctx_isresolved(ifctx) == 0) {
-
- /* Shutdown interfaces where BOOTP failed */
-
- printf("Shutdown interface %s\n", ifctx->ireq.ifr_name);
- error = ifioctl(so, SIOCGIFFLAGS, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_adjust_interface: "
- "SIOCGIFFLAGS, error=%d", error);
- ireq->ifr_flags &= ~IFF_UP;
- error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)ireq, procp);
- if (error != 0)
- panic("bootpc_adjust_interface: "
- "SIOCSIFFLAGS, error=%d", error);
-
- sin = (struct sockaddr_in *) &ireq->ifr_addr;
- clear_sinaddr(sin);
- error = ifioctl(so, SIOCDIFADDR, (caddr_t) ireq, procp);
- if (error != 0 && (error != EEXIST ||
- ifctx == gctx->interfaces))
- panic("bootpc_adjust_interface: "
- "SIOCDIFADDR, error=%d", error);
-
- return 0;
- }
-
- printf("Adjusted interface %s\n", ifctx->ireq.ifr_name);
- /*
- * Do enough of ifconfig(8) so that the chosen interface
- * can talk to the servers. (just set the address)
- */
- bcopy(netmask, &ireq->ifr_addr, sizeof(*netmask));
- error = ifioctl(so, SIOCSIFNETMASK, (caddr_t) ireq, procp);
- if (error != 0)
- panic("bootpc_adjust_interface: "
- "set if netmask, error=%d", error);
-
- /* Broadcast is with host part of IP address all 1's */
-
- sin = (struct sockaddr_in *) &ireq->ifr_addr;
- clear_sinaddr(sin);
- sin->sin_addr.s_addr = myaddr->sin_addr.s_addr |
- ~ netmask->sin_addr.s_addr;
- error = ifioctl(so, SIOCSIFBRDADDR, (caddr_t) ireq, procp);
- if (error != 0)
- panic("bootpc_adjust_interface: "
- "set if broadcast addr, error=%d", error);
-
- bcopy(myaddr, &ireq->ifr_addr, sizeof(*myaddr));
- error = ifioctl(so, SIOCSIFADDR, (caddr_t) ireq, procp);
- if (error != 0 && (error != EEXIST || ifctx == gctx->interfaces))
- panic("bootpc_adjust_interface: "
- "set if addr, error=%d", error);
-
- /* Add new default route */
-
- if (ifctx->gotgw != 0 || gctx->gotgw == 0) {
- clear_sinaddr(&defdst);
- clear_sinaddr(&defmask);
- error = rtrequest(RTM_ADD,
- (struct sockaddr *) &defdst,
- (struct sockaddr *) gw,
- (struct sockaddr *) &defmask,
- (RTF_UP | RTF_GATEWAY | RTF_STATIC), NULL);
- if (error != 0) {
- printf("bootpc_adjust_interface: "
- "add net route, error=%d\n", error);
- return error;
- }
- }
-
- return 0;
-}
-
-
-static int
-setfs(struct sockaddr_in *addr, char *path, char *p)
-{
- unsigned int ip;
- int val;
-
- ip = 0;
- if (((val = getdec(&p)) < 0) || (val > 255))
- return 0;
- ip = val << 24;
- if (*p != '.')
- return 0;
- p++;
- if (((val = getdec(&p)) < 0) || (val > 255))
- return 0;
- ip |= (val << 16);
- if (*p != '.')
- return 0;
- p++;
- if (((val = getdec(&p)) < 0) || (val > 255))
- return 0;
- ip |= (val << 8);
- if (*p != '.')
- return 0;
- p++;
- if (((val = getdec(&p)) < 0) || (val > 255))
- return 0;
- ip |= val;
- if (*p != ':')
- return 0;
- p++;
-
- addr->sin_addr.s_addr = htonl(ip);
- addr->sin_len = sizeof(struct sockaddr_in);
- addr->sin_family = AF_INET;
-
- strncpy(path, p, MNAMELEN - 1);
- return 1;
-}
-
-
-static int
-getdec(char **ptr)
-{
- char *p;
- int ret;
-
- p = *ptr;
- ret = 0;
- if ((*p < '0') || (*p > '9'))
- return -1;
- while ((*p >= '0') && (*p <= '9')) {
- ret = ret * 10 + (*p - '0');
- p++;
- }
- *ptr = p;
- return ret;
+nfs_convert_oargs(args, oargs)
+ struct nfs_args *args;
+ struct onfs_args *oargs;
+{
+ args->version = NFS_ARGSVERSION;
+ args->addr = oargs->addr;
+ args->addrlen = oargs->addrlen;
+ args->sotype = oargs->sotype;
+ args->proto = oargs->proto;
+ args->fh = oargs->fh;
+ args->fhsize = oargs->fhsize;
+ args->flags = oargs->flags;
+ args->wsize = oargs->wsize;
+ args->rsize = oargs->rsize;
+ args->readdirsize = oargs->readdirsize;
+ args->timeo = oargs->timeo;
+ args->retrans = oargs->retrans;
+ args->maxgrouplist = oargs->maxgrouplist;
+ args->readahead = oargs->readahead;
+ args->leaseterm = oargs->leaseterm;
+ args->deadthresh = oargs->deadthresh;
+ args->hostname = oargs->hostname;
}
-
-static char *
-substr(char *a, char *b)
-{
- char *loc1;
- char *loc2;
-
- while (*a != '\0') {
- loc1 = a;
- loc2 = b;
- while (*loc1 == *loc2++) {
- if (*loc1 == '\0')
- return 0;
- loc1++;
- if (*loc2 == '\0')
- return loc1;
- }
- a++;
- }
- return 0;
-}
-
-
static void
-mountopts(struct nfs_args *args, char *p)
-{
- char *tmp;
-
- args->version = NFS_ARGSVERSION;
- args->rsize = 8192;
- args->wsize = 8192;
- args->flags = NFSMNT_RSIZE | NFSMNT_WSIZE | NFSMNT_RESVPORT;
- args->sotype = SOCK_DGRAM;
- if (p == NULL)
- return;
- if ((tmp = (char *)substr(p, "rsize=")))
- args->rsize = getdec(&tmp);
- if ((tmp = (char *)substr(p, "wsize=")))
- args->wsize = getdec(&tmp);
- if ((tmp = (char *)substr(p, "intr")))
- args->flags |= NFSMNT_INT;
- if ((tmp = (char *)substr(p, "soft")))
- args->flags |= NFSMNT_SOFT;
- if ((tmp = (char *)substr(p, "noconn")))
- args->flags |= NFSMNT_NOCONN;
- if ((tmp = (char *)substr(p, "tcp")))
- args->sotype = SOCK_STREAM;
-}
-
-
-static int
-xdr_opaque_decode(struct mbuf **mptr, u_char *buf, int len)
-{
- struct mbuf *m;
- int alignedlen;
-
- m = *mptr;
- alignedlen = ( len + 3 ) & ~3;
-
- if (m->m_len < alignedlen) {
- m = m_pullup(m, alignedlen);
- if (m == NULL) {
- *mptr = NULL;
- return EBADRPC;
- }
- }
- bcopy(mtod(m, u_char *), buf, len);
- m_adj(m, alignedlen);
- *mptr = m;
- return 0;
+nfs_convert_diskless()
+{
+ bcopy(&nfs_diskless.myif, &nfsv3_diskless.myif,
+ sizeof(struct ifaliasreq));
+ bcopy(&nfs_diskless.mygateway, &nfsv3_diskless.mygateway,
+ sizeof(struct sockaddr_in));
+ nfs_convert_oargs(&nfsv3_diskless.swap_args,&nfs_diskless.swap_args);
+ nfsv3_diskless.swap_fhsize = NFSX_V2FH;
+ bcopy(nfs_diskless.swap_fh,nfsv3_diskless.swap_fh,NFSX_V2FH);
+ bcopy(&nfs_diskless.swap_saddr,&nfsv3_diskless.swap_saddr,
+ sizeof(struct sockaddr_in));
+ bcopy(nfs_diskless.swap_hostnam,nfsv3_diskless.swap_hostnam, MNAMELEN);
+ nfsv3_diskless.swap_nblks = nfs_diskless.swap_nblks;
+ bcopy(&nfs_diskless.swap_ucred, &nfsv3_diskless.swap_ucred,
+ sizeof(struct ucred));
+ nfs_convert_oargs(&nfsv3_diskless.root_args,&nfs_diskless.root_args);
+ nfsv3_diskless.root_fhsize = NFSX_V2FH;
+ bcopy(nfs_diskless.root_fh,nfsv3_diskless.root_fh,NFSX_V2FH);
+ bcopy(&nfs_diskless.root_saddr,&nfsv3_diskless.root_saddr,
+ sizeof(struct sockaddr_in));
+ bcopy(nfs_diskless.root_hostnam,nfsv3_diskless.root_hostnam, MNAMELEN);
+ nfsv3_diskless.root_time = nfs_diskless.root_time;
+ bcopy(nfs_diskless.my_hostnam,nfsv3_diskless.my_hostnam,
+ MAXHOSTNAMELEN);
+ nfs_diskless_valid = 3;
}
-
-static int
-xdr_int_decode(struct mbuf **mptr, int *iptr)
-{
- u_int32_t i;
- if (xdr_opaque_decode(mptr, (u_char *) &i, sizeof(u_int32_t)) != 0)
- return EBADRPC;
- *iptr = fxdr_unsigned(u_int32_t, i);
- return 0;
-}
-
-
static void
print_sin_addr(struct sockaddr_in *sin)
-{
- print_in_addr(sin->sin_addr);
-}
-
-
+{
+ print_in_addr(sin->sin_addr);
+}
+
+
static void
print_in_addr(struct in_addr addr)
-{
- unsigned int ip;
-
- ip = ntohl(addr.s_addr);
- printf("%d.%d.%d.%d",
- ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255);
-}
-
-static void
-bootpc_compose_query(ifctx, gctx, procp)
- struct bootpc_ifcontext *ifctx;
- struct bootpc_globalcontext *gctx;
- struct proc *procp;
-{
- unsigned char *vendp;
- uint32_t leasetime;
-
- ifctx->gotrootpath = 0;
-
- bzero((caddr_t) &ifctx->call, sizeof(ifctx->call));
-
- /* bootpc part */
- ifctx->call.op = BOOTP_REQUEST; /* BOOTREQUEST */
- ifctx->call.htype = 1; /* 10mb ethernet */
- ifctx->call.hlen = ifctx->sdl->sdl_alen;/* Hardware address length */
- ifctx->call.hops = 0;
- if (bootpc_ifctx_isunresolved(ifctx) != 0)
- ifctx->xid++;
- ifctx->call.xid = txdr_unsigned(ifctx->xid);
- bcopy(LLADDR(ifctx->sdl), &ifctx->call.chaddr, ifctx->sdl->sdl_alen);
-
- vendp = ifctx->call.vend;
- *vendp++ = 99; /* RFC1048 cookie */
- *vendp++ = 130;
- *vendp++ = 83;
- *vendp++ = 99;
- *vendp++ = TAG_MAXMSGSIZE;
- *vendp++ = 2;
- *vendp++ = (sizeof(struct bootp_packet) >> 8) & 255;
- *vendp++ = sizeof(struct bootp_packet) & 255;
- ifctx->dhcpquerytype = DHCP_NOMSG;
- switch (ifctx->state) {
- case IF_DHCP_UNRESOLVED:
- *vendp++ = TAG_DHCP_MSGTYPE;
- *vendp++ = 1;
- *vendp++ = DHCP_DISCOVER;
- ifctx->dhcpquerytype = DHCP_DISCOVER;
- ifctx->gotdhcpserver = 0;
- break;
- case IF_DHCP_OFFERED:
- *vendp++ = TAG_DHCP_MSGTYPE;
- *vendp++ = 1;
- *vendp++ = DHCP_REQUEST;
- ifctx->dhcpquerytype = DHCP_REQUEST;
- *vendp++ = TAG_DHCP_REQ_ADDR;
- *vendp++ = 4;
- memcpy(vendp, &ifctx->reply.yiaddr, 4);
- vendp += 4;
- if (ifctx->gotdhcpserver != 0) {
- *vendp++ = TAG_DHCP_SERVERID;
- *vendp++ = 4;
- memcpy(vendp, &ifctx->dhcpserver, 4);
- vendp += 4;
- }
- *vendp++ = TAG_DHCP_LEASETIME;
- *vendp++ = 4;
- leasetime = htonl(300);
- memcpy(vendp, &leasetime, 4);
- vendp += 4;
- default:
- ;
- }
- *vendp = TAG_END;
-
- ifctx->call.secs = 0;
- ifctx->call.flags = htons(0x8000); /* We need an broadcast answer */
+{
+ unsigned int ip;
+
+ ip = ntohl(addr.s_addr);
+ printf("%d.%d.%d.%d\n",
+ ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255);
+}
+
+static int
+hwaddr_to_sockaddr(char *ev, struct sockaddr_dl *sa)
+{
+ char *cp;
+ u_int32_t a[6];
+
+ bzero(sa, sizeof(*sa));
+ sa->sdl_len = sizeof(*sa);
+ sa->sdl_family = AF_LINK;
+ sa->sdl_type = IFT_ETHER;
+ sa->sdl_alen = ETHER_ADDR_LEN;
+ if ((cp = getenv(ev)) == NULL)
+ return(1);
+ if (sscanf(cp, "%x:%x:%x:%x:%x:%x", &a[0], &a[1], &a[2], &a[3], &a[4], &a[5])
+!= 6)
+ return(1);
+ sa->sdl_data[0] = a[0];
+ sa->sdl_data[1] = a[1];
+ sa->sdl_data[2] = a[2];
+ sa->sdl_data[3] = a[3];
+ sa->sdl_data[4] = a[4];
+ sa->sdl_data[5] = a[5];
+ return(0);
}
-
static int
-bootpc_hascookie(struct bootp_packet *bp)
-{
- return (bp->vend[0] == 99 && bp->vend[1] == 130 &&
- bp->vend[2] == 83 && bp->vend[3] == 99);
+inaddr_to_sockaddr(char *ev, struct sockaddr_in *sa)
+{
+ u_int32_t a[4];
+ char *cp;
+ struct sockaddr_in *sin;
+
+ bzero(sa, sizeof(*sa));
+ sa->sin_len = sizeof(*sa);
+ sa->sin_family = AF_INET;
+
+ if ((cp = getenv(ev)) == NULL)
+ return(1);
+ if (sscanf(cp, "%d.%d.%d.%d", &a[0], &a[1], &a[2], &a[3]) != 4)
+ return(1);
+ /* XXX is this ordering correct? */
+ sa->sin_addr.s_addr = (a[3] << 24) + (a[2] << 16) + (a[1] << 8) + a[0];
+ sin = (struct sockaddr_in *) sa;
+ print_sin_addr(sin);
+ return(0);
}
-
static void
-bootpc_tag_helper(struct bootpc_tagcontext *tctx,
- unsigned char *start,
- int len,
- int tag)
-{
- unsigned char *j;
- unsigned char *ej;
- unsigned char code;
-
- if (tctx->badtag != 0 || tctx->badopt != 0)
- return;
-
- j = start;
- ej = j + len;
-
- while (j < ej) {
- code = *j++;
- if (code == TAG_PAD)
- continue;
- if (code == TAG_END)
- return;
- if (j >= ej || j + *j + 1 > ej) {
- tctx->badopt = 1;
- return;
- }
- len = *j++;
- if (code == tag) {
- if (tctx->taglen + len > TAG_MAXLEN) {
- tctx->badtag = 1;
- return;
- }
- tctx->foundopt = 1;
- if (len > 0)
- memcpy(tctx->buf + tctx->taglen,
- j, len);
- tctx->taglen += len;
- }
- if (code == TAG_OVERLOAD)
- tctx->overload = *j;
-
- j += len;
- }
-}
-
+setup_nfsdiskless()
+{
+ struct nfs_diskless *nd = &nfs_diskless;
+ struct ifnet *ifp;
+ struct ifaddr *ifa;
+ struct sockaddr_dl *sdl, ourdl;
+ struct socket *so;
+ char *cp;
+ int error;
+ struct proc *procp;
+ struct sockaddr_in myaddr, netmask;
+ struct nfsv3_diskless *nd3 = &nfsv3_diskless;
+ struct onfs_args oargs;
+ char *cp3;
+
+ procp = curproc;
+ /* set up interface */
+ printf("me........:", "%s");
+ if (inaddr_to_sockaddr("boot.netif.ip", &myaddr)) {
+ printf("FHP: no ip\n");
+ return;
+ }
+ printf("mask......:", "%s");
+ if (inaddr_to_sockaddr("boot.netif.netmask", &netmask)) {
+ printf("FHP: no netmask\n");
+ return;
+ }
+ bcopy(&myaddr, &nd->myif.ifra_addr, sizeof(myaddr));
+ bcopy(&myaddr, &nd->myif.ifra_broadaddr, sizeof(myaddr));
+ ((struct sockaddr_in *) &nd->myif.ifra_broadaddr)->sin_addr.s_addr =
+ myaddr.sin_addr.s_addr | ~ netmask.sin_addr.s_addr;
+ bcopy(&netmask, &nd->myif.ifra_mask, sizeof(netmask));
+
+ if (hwaddr_to_sockaddr("boot.netif.hwaddr", &ourdl)) {
+ printf("FHP: no hardware address\n");
+ return;
+ }
-static unsigned char *
-bootpc_tag(struct bootpc_tagcontext *tctx,
- struct bootp_packet *bp,
- int len,
- int tag)
-{
- unsigned char *j;
- unsigned char *ej;
+ ifa = NULL;
+ ifp = TAILQ_FIRST(&ifnet);
+ TAILQ_FOREACH(ifp, &ifnet, if_link) {
+ TAILQ_FOREACH(ifa, &ifp->if_addrhead, ifa_link) {
+ if ((ifa->ifa_addr->sa_family == AF_LINK) &&
+ (sdl = ((struct sockaddr_dl *)ifa->ifa_addr))) {
+ if ((sdl->sdl_type == ourdl.sdl_type) &&
+ (sdl->sdl_alen == ourdl.sdl_alen) &&
+ !bcmp(sdl->sdl_data + sdl->sdl_nlen,
+ ourdl.sdl_data + ourdl.sdl_nlen,
+ sdl->sdl_alen))
+ goto match_done;
+ }
+ }
+ }
+ printf("FHP: no interface\n");
+ return; /* no matching interface */
+match_done:
+ sprintf(nd->myif.ifra_name, "%s%d", ifp->if_name, ifp->if_unit);
- tctx->overload = 0;
- tctx->badopt = 0;
- tctx->badtag = 0;
- tctx->foundopt = 0;
- tctx->taglen = 0;
-
- if (bootpc_hascookie(bp) == 0)
- return NULL;
-
- j = &bp->vend[4];
- ej = (unsigned char *) bp + len;
-
- bootpc_tag_helper(tctx, &bp->vend[4],
- (unsigned char *) bp + len - &bp->vend[4], tag);
-
- if ((tctx->overload & OVERLOAD_FILE) != 0)
- bootpc_tag_helper(tctx,
- (unsigned char *) bp->file,
- sizeof(bp->file),
- tag);
- if ((tctx->overload & OVERLOAD_SNAME) != 0)
- bootpc_tag_helper(tctx,
- (unsigned char *) bp->sname,
- sizeof(bp->sname),
- tag);
-
- if (tctx->badopt != 0 || tctx->badtag != 0 || tctx->foundopt == 0)
- return NULL;
- tctx->buf[tctx->taglen] = '\0';
- return tctx->buf;
-}
+ /* set up root mount */
+ nd->root_args.rsize = 8192; /* XXX tunable? */
+ nd->root_args.wsize = 8192;
+ nd->root_args.sotype = SOCK_DGRAM;
+ nd->root_args.flags = (NFSMNT_WSIZE | NFSMNT_RSIZE | NFSMNT_RESVPORT);
+ printf("NFS svr...:", "%s");
+ if (inaddr_to_sockaddr("boot.nfsroot.server", &nd->root_saddr)) {
+ printf("FHP: no NFS server\n");
+ return;
+ }
+ nd->root_saddr.sin_port = htons(NFS_PORT);
-static void
-bootpc_decode_reply(nd, ifctx, gctx)
- struct nfsv3_diskless *nd;
- struct bootpc_ifcontext *ifctx;
- struct bootpc_globalcontext *gctx;
-{
- char *p;
- unsigned int ip;
+ if ((cp = getenv("boot.netif.hostname")) != NULL) {
+ strncpy(nd->my_hostnam, cp, MAXHOSTNAMELEN - 1);
+ printf("hostname..:%s\n", nd->my_hostnam);
+ }
- ifctx->gotgw = 0;
- ifctx->gotnetmask = 0;
+ if ((cp = getenv("boot.nfsroot.path")) != NULL)
+ strncpy(nd->root_hostnam, cp, MNAMELEN - 1);
- clear_sinaddr(&ifctx->myaddr);
- clear_sinaddr(&ifctx->netmask);
- clear_sinaddr(&ifctx->gw);
-
- ifctx->myaddr.sin_addr = ifctx->reply.yiaddr;
-
- ip = ntohl(ifctx->myaddr.sin_addr.s_addr);
- snprintf(gctx->lookup_path, sizeof(gctx->lookup_path),
- "swap.%d.%d.%d.%d",
- ip >> 24, (ip >> 16) & 255, (ip >> 8) & 255, ip & 255);
-
- printf("%s at ", ifctx->ireq.ifr_name);
- print_sin_addr(&ifctx->myaddr);
- printf(" server ");
- print_in_addr(ifctx->reply.siaddr);
-
- ifctx->gw.sin_addr = ifctx->reply.giaddr;
- if (ifctx->reply.giaddr.s_addr != htonl(INADDR_ANY)) {
- printf(" via gateway ");
- print_in_addr(ifctx->reply.giaddr);
- }
-
- /* This call used for the side effect (overload flag) */
- (void) bootpc_tag(&gctx->tmptag,
- &ifctx->reply, ifctx->replylen, TAG_END);
-
- if ((gctx->tmptag.overload & OVERLOAD_SNAME) == 0)
- if (ifctx->reply.sname[0] != '\0')
- printf(" server name %s", ifctx->reply.sname);
- if ((gctx->tmptag.overload & OVERLOAD_FILE) == 0)
- if (ifctx->reply.file[0] != '\0')
- printf(" boot file %s", ifctx->reply.file);
-
- printf("\n");
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_SUBNETMASK);
- if (p != NULL) {
- if (gctx->tag.taglen != 4)
- panic("bootpc: subnet mask len is %d",
- gctx->tag.taglen);
- bcopy(p, &ifctx->netmask.sin_addr, 4);
- ifctx->gotnetmask = 1;
- printf("subnet mask ");
- print_sin_addr(&ifctx->netmask);
- printf(" ");
- }
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_ROUTERS);
- if (p != NULL) {
- /* Routers */
- if (gctx->tag.taglen % 4)
- panic("bootpc: Router Len is %d", gctx->tag.taglen);
- if (gctx->tag.taglen > 0) {
- bcopy(p, &ifctx->gw.sin_addr, 4);
- printf("router ");
- print_sin_addr(&ifctx->gw);
- printf(" ");
- ifctx->gotgw = 1;
- gctx->gotgw = 1;
- }
- }
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_ROOT);
- if (p != NULL) {
- if (gctx->setrootfs != NULL) {
- printf("rootfs %s (ignored) ", p);
- } else if (setfs(&nd->root_saddr,
- nd->root_hostnam, p)) {
- printf("rootfs %s ",p);
- gctx->gotrootpath = 1;
- ifctx->gotrootpath = 1;
- gctx->setrootfs = ifctx;
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply,
- ifctx->replylen,
- TAG_ROOTOPTS);
- if (p != NULL) {
- mountopts(&nd->root_args, p);
- printf("rootopts %s ", p);
- }
- } else
- panic("Failed to set rootfs to %s",p);
- }
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_SWAP);
- if (p != NULL) {
- if (gctx->setswapfs != NULL) {
- printf("swapfs %s (ignored) ", p);
- } else if (setfs(&nd->swap_saddr,
- nd->swap_hostnam, p)) {
- gctx->gotswappath = 1;
- gctx->setswapfs = ifctx;
- printf("swapfs %s ", p);
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply,
- ifctx->replylen,
- TAG_SWAPOPTS);
- if (p != NULL) {
- /* swap mount options */
- mountopts(&nd->swap_args, p);
- printf("swapopts %s ", p);
- }
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply,
- ifctx->replylen,
- TAG_SWAPSIZE);
- if (p != NULL) {
- int swaplen;
- if (gctx->tag.taglen != 4)
- panic("bootpc: "
- "Expected 4 bytes for swaplen, "
- "not %d bytes",
- gctx->tag.taglen);
- bcopy(p, &swaplen, 4);
- nd->swap_nblks = ntohl(swaplen);
- printf("swapsize %d KB ",
- nd->swap_nblks);
- }
- } else
- panic("Failed to set swapfs to %s", p);
- }
-
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_HOSTNAME);
- if (p != NULL) {
- if (gctx->tag.taglen >= MAXHOSTNAMELEN)
- panic("bootpc: hostname >= %d bytes",
- MAXHOSTNAMELEN);
- if (gctx->sethostname != NULL) {
- printf("hostname %s (ignored) ", p);
- } else {
- strcpy(nd->my_hostnam, p);
- strcpy(hostname, p);
- printf("hostname %s ",hostname);
- gctx->sethostname = ifctx;
- }
- }
- p = bootpc_tag(&gctx->tag, &ifctx->reply, ifctx->replylen,
- TAG_COOKIE);
- if (p != NULL) { /* store in a sysctl variable */
- int i, l = sizeof(bootp_cookie) - 1;
- for (i = 0; i < l && p[i] != '\0'; i++)
- bootp_cookie[i] = p[i];
- p[i] = '\0';
- }
-
- printf("\n");
-
- if (ifctx->gotnetmask == 0) {
- if (IN_CLASSA(ntohl(ifctx->myaddr.sin_addr.s_addr)))
- ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSA_NET);
- else if (IN_CLASSB(ntohl(ifctx->myaddr.sin_addr.s_addr)))
- ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSB_NET);
- else
- ifctx->netmask.sin_addr.s_addr = htonl(IN_CLASSC_NET);
- }
- if (ifctx->gotgw == 0) {
- /* Use proxyarp */
- ifctx->gw.sin_addr.s_addr = ifctx->myaddr.sin_addr.s_addr;
- }
-}
+ nfs_convert_diskless();
+ /*
+ * Do enough of ifconfig(8) so that the chosen interface
+ * can talk to the servers. (just set the address)
+ */
+ error = socreate(nd3->myif.ifra_addr.sa_family, &so, SOCK_DGRAM, 0, procp);
+ if (error)
+ panic("FHP: socreate(%04x): %d", nd3->myif.ifra_addr.sa_family, error);
+ error = ifioctl(so, SIOCAIFADDR, (caddr_t)&nd3->myif, procp);
+ if (error)
+ panic("FHP: ifioctl error", "%s");
+ if ((cp3 = getenv("boot.nfsroot.path")) != NULL) {
+ strncpy(nd3->root_hostnam, cp3, MNAMELEN - 1);
+ }
+ error = get_file_handle(&nd3->root_saddr, nd3->root_hostnam, nd3->root_fh,
+&nd3->root_fhsize, &nd3->root_args, procp);
+ if (error != 0 )
+ panic ("FHP: get_file_handle error", "%s");
+}
-void
-bootpc_init(void)
+static int
+xdr_int_decode(struct mbuf **mptr, int *iptr)
{
- struct bootpc_ifcontext *ifctx, *nctx; /* Interface BOOTP contexts */
- struct bootpc_globalcontext *gctx; /* Global BOOTP context */
- struct ifnet *ifp;
- int error;
- struct nfsv3_diskless *nd;
- struct proc *procp;
-
- nd = &nfsv3_diskless;
- procp = curproc;
-
- /*
- * If already filled in, don't touch it here
- */
- if (nfs_diskless_valid != 0)
- return;
-
- /*
- * Wait until arp entries can be handled.
- */
- while (time_second == 0)
- tsleep(&time_second, PZERO + 8, "arpkludge", 10);
-
- gctx = malloc(sizeof(*gctx), M_TEMP, M_WAITOK);
- if (gctx == NULL)
- panic("Failed to allocate bootp global context structure");
-
- bzero(gctx, sizeof(*gctx));
- gctx->xid = ~0xFFFF;
- gctx->starttime = time_second;
-
- ifctx = allocifctx(gctx);
-
- /*
- * Find a network interface.
- */
-#ifdef BOOTP_WIRED_TO
- printf("bootpc_init: wired to interface '%s'\n",
- __XSTRING(BOOTP_WIRED_TO));
-#endif
- bzero(&ifctx->ireq, sizeof(ifctx->ireq));
- for (ifp = TAILQ_FIRST(&ifnet);
- ifp != NULL;
- ifp = TAILQ_NEXT(ifp, if_link)) {
- snprintf(ifctx->ireq.ifr_name, sizeof(ifctx->ireq.ifr_name),
- "%s%d", ifp->if_name, ifp->if_unit);
-#ifdef BOOTP_WIRED_TO
- if (strcmp(ifctx->ireq.ifr_name,
- __XSTRING(BOOTP_WIRED_TO)) != 0)
- continue;
-#else
- if ((ifp->if_flags &
- (IFF_LOOPBACK | IFF_POINTOPOINT | IFF_BROADCAST)) !=
- IFF_BROADCAST)
- continue;
-#endif
- if (gctx->interfaces != NULL)
- gctx->lastinterface->next = ifctx;
- else
- gctx->interfaces = ifctx;
- ifctx->ifp = ifp;
- gctx->lastinterface = ifctx;
- ifctx = allocifctx(gctx);
- }
- free(ifctx, M_TEMP);
-
- if (gctx->interfaces == NULL) {
-#ifdef BOOTP_WIRED_TO
- panic("bootpc_init: Could not find interface specified "
- "by BOOTP_WIRED_TO: "
- __XSTRING(BOOTP_WIRED_TO));
-#else
- panic("bootpc_init: no suitable interface");
-#endif
- }
-
- gctx->gotrootpath = 0;
- gctx->gotswappath = 0;
- gctx->gotgw = 0;
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next)
- bootpc_fakeup_interface(ifctx, gctx, procp);
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next)
- bootpc_compose_query(ifctx, gctx, procp);
-
- ifctx = gctx->interfaces;
- error = bootpc_call(gctx, procp);
-
- if (error != 0) {
-#ifdef BOOTP_NFSROOT
- panic("BOOTP call failed");
-#else
- printf("BOOTP call failed\n");
-#endif
- }
-
- mountopts(&nd->root_args, NULL);
-
- mountopts(&nd->swap_args, NULL);
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next)
- if (bootpc_ifctx_isresolved(ifctx) != 0)
- bootpc_decode_reply(nd, ifctx, gctx);
-
- if (gctx->gotswappath == 0)
- nd->swap_nblks = 0;
-#ifdef BOOTP_NFSROOT
- if (gctx->gotrootpath == 0)
- panic("bootpc: No root path offered");
-#endif
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next) {
- bootpc_adjust_interface(ifctx, gctx, procp);
-
- soclose(ifctx->so);
- }
-
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = ifctx->next)
- if (ifctx->gotrootpath != 0)
- break;
- if (ifctx == NULL) {
- for (ifctx = gctx->interfaces;
- ifctx != NULL;
- ifctx = ifctx->next)
- if (bootpc_ifctx_isresolved(ifctx) != 0)
- break;
- }
- if (ifctx == NULL)
- goto out;
-
- if (gctx->gotrootpath != 0) {
-
- error = md_mount(&nd->root_saddr, nd->root_hostnam,
- nd->root_fh, &nd->root_fhsize,
- &nd->root_args, procp);
- if (error != 0)
- panic("nfs_boot: mountd root, error=%d", error);
-
- if (gctx->gotswappath != 0) {
-
- error = md_mount(&nd->swap_saddr,
- nd->swap_hostnam,
- nd->swap_fh, &nd->swap_fhsize,
- &nd->swap_args, procp);
- if (error != 0)
- panic("nfs_boot: mountd swap, error=%d",
- error);
-
- error = md_lookup_swap(&nd->swap_saddr,
- gctx->lookup_path,
- nd->swap_fh, &nd->swap_fhsize,
- &nd->swap_args, procp);
- if (error != 0)
- panic("nfs_boot: lookup swap, error=%d",
- error);
- }
- nfs_diskless_valid = 3;
- }
-
- strcpy(nd->myif.ifra_name, ifctx->ireq.ifr_name);
- bcopy(&ifctx->myaddr, &nd->myif.ifra_addr, sizeof(ifctx->myaddr));
- bcopy(&ifctx->myaddr, &nd->myif.ifra_broadaddr, sizeof(ifctx->myaddr));
- ((struct sockaddr_in *) &nd->myif.ifra_broadaddr)->sin_addr.s_addr =
- ifctx->myaddr.sin_addr.s_addr |
- ~ ifctx->netmask.sin_addr.s_addr;
- bcopy(&ifctx->netmask, &nd->myif.ifra_mask, sizeof(ifctx->netmask));
-
-out:
- for (ifctx = gctx->interfaces; ifctx != NULL; ifctx = nctx) {
- nctx = ifctx->next;
- free(ifctx, M_TEMP);
- }
- free(gctx, M_TEMP);
-}
+ u_int32_t i;
+ if (xdr_opaque_decode(mptr, (u_char *) &i, sizeof(u_int32_t)) != 0)
+ return EBADRPC;
+ *iptr = fxdr_unsigned(u_int32_t, i);
+ return 0;
+}
+
+static int
+xdr_opaque_decode(struct mbuf **mptr, u_char *buf, int len)
+{
+ struct mbuf *m;
+ int alignedlen;
+ m = *mptr;
+ alignedlen = ( len + 3 ) & ~3;
+
+ if (m->m_len < alignedlen) {
+ m = m_pullup(m, alignedlen);
+ if (m == NULL) {
+ *mptr = NULL;
+ return EBADRPC;
+ }
+ }
+ bcopy(mtod(m, u_char *), buf, len);
+ m_adj(m, alignedlen);
+ *mptr = m;
+ return 0;
+}
-/*
- * RPC: mountd/mount
- * Given a server pathname, get an NFS file handle.
- * Also, sets sin->sin_port to the NFS service port.
- */
+/* obtain the "magic" file number... */
static int
-md_mount(struct sockaddr_in *mdsin, /* mountd server address */
- char *path,
- u_char *fhp,
- int *fhsizep,
- struct nfs_args *args,
- struct proc *procp)
-{
- struct mbuf *m;
- int error;
- int authunixok;
- int authcount;
- int authver;
-
+get_file_handle(struct sockaddr_in *mdsin, /* mountd server address */
+ char *path,
+ u_char *fhp,
+ int *fhsizep,
+ struct nfs_args *args,
+ struct proc *procp)
+{
+ struct mbuf *m;
+ int error;
+ int authunixok;
+ int authcount;
+ int authver;
+
#ifdef BOOTP_NFSV3
- /* First try NFS v3 */
- /* Get port number for MOUNTD. */
- error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER3,
- &mdsin->sin_port, procp);
- if (error == 0) {
- m = xdr_string_encode(path, strlen(path));
-
- /* Do RPC to mountd. */
- error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER3,
- RPCMNT_MOUNT, &m, NULL, procp);
- }
- if (error == 0) {
- args->flags |= NFSMNT_NFSV3;
- } else {
-#endif
- /* Fallback to NFS v2 */
-
- /* Get port number for MOUNTD. */
- error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER1,
- &mdsin->sin_port, procp);
- if (error != 0)
- return error;
-
- m = xdr_string_encode(path, strlen(path));
-
- /* Do RPC to mountd. */
- error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER1,
- RPCMNT_MOUNT, &m, NULL, procp);
- if (error != 0)
- return error; /* message already freed */
-
+ /* First try NFS v3 */
+ /* Get port number for MOUNTD. */
+ error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER3,
+ &mdsin->sin_port, procp);
+ if (error == 0) {
+ m = xdr_string_encode(path, strlen(path));
+
+ /* Do RPC to mountd. */
+ error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER3,
+ RPCMNT_MOUNT, &m, NULL, procp);
+ }
+ if (error == 0) {
+ args->flags |= NFSMNT_NFSV3;
+ } else {
+#endif
+ /* Fallback to NFS v2 */
+
+ /* Get port number for MOUNTD. */
+ error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER1,
+ &mdsin->sin_port, procp);
+ if (error != 0)
+ return error;
+
+ m = xdr_string_encode(path, strlen(path));
+
+ /* Do RPC to mountd. */
+ error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER1,
+ RPCMNT_MOUNT, &m, NULL, procp);
+ if (error != 0)
+ return error; /* message already freed */
+
#ifdef BOOTP_NFSV3
- }
+ }
#endif
- if (xdr_int_decode(&m, &error) != 0 || error != 0)
- goto bad;
-
- if ((args->flags & NFSMNT_NFSV3) != 0) {
- if (xdr_int_decode(&m, fhsizep) != 0 ||
- *fhsizep > NFSX_V3FHMAX ||
- *fhsizep <= 0)
- goto bad;
- } else
- *fhsizep = NFSX_V2FH;
-
- if (xdr_opaque_decode(&m, fhp, *fhsizep) != 0)
- goto bad;
-
- if (args->flags & NFSMNT_NFSV3) {
- if (xdr_int_decode(&m, &authcount) != 0)
- goto bad;
- authunixok = 0;
- if (authcount < 0 || authcount > 100)
- goto bad;
- while (authcount > 0) {
- if (xdr_int_decode(&m, &authver) != 0)
- goto bad;
- if (authver == RPCAUTH_UNIX)
- authunixok = 1;
- authcount--;
- }
- if (authunixok == 0)
- goto bad;
- }
-
- /* Set port number for NFS use. */
- error = krpc_portmap(mdsin, NFS_PROG,
- (args->flags &
- NFSMNT_NFSV3) ? NFS_VER3 : NFS_VER2,
- &mdsin->sin_port, procp);
-
- goto out;
-
+ if (xdr_int_decode(&m, &error) != 0 || error != 0)
+ goto bad;
+
+ if ((args->flags & NFSMNT_NFSV3) != 0) {
+ if (xdr_int_decode(&m, fhsizep) != 0 ||
+ *fhsizep > NFSX_V3FHMAX ||
+ *fhsizep <= 0)
+ goto bad;
+ } else
+ *fhsizep = NFSX_V2FH;
+
+ if (xdr_opaque_decode(&m, fhp, *fhsizep) != 0)
+ goto bad;
+
+ if (args->flags & NFSMNT_NFSV3) {
+ if (xdr_int_decode(&m, &authcount) != 0)
+ goto bad;
+ authunixok = 0;
+ if (authcount < 0 || authcount > 100)
+ goto bad;
+ while (authcount > 0) {
+ if (xdr_int_decode(&m, &authver) != 0)
+ goto bad;
+ if (authver == RPCAUTH_UNIX)
+ authunixok = 1;
+ authcount--;
+ }
+ if (authunixok == 0)
+ goto bad;
+ }
+ /* Set port number for NFS use. */
+ error = krpc_portmap(mdsin, NFS_PROG,
+ (args->flags &
+ NFSMNT_NFSV3) ? NFS_VER3 : NFS_VER2,
+ &mdsin->sin_port, procp);
+
+ goto out;
+
bad:
- error = EBADRPC;
-
+ error = EBADRPC;
+
out:
- m_freem(m);
- return error;
+ m_freem(m);
+ return error;
}
-
-static int
-md_lookup_swap(struct sockaddr_in *mdsin, /* mountd server address */
- char *path,
- u_char *fhp,
- int *fhsizep,
- struct nfs_args *args,
- struct proc *procp)
+void
+bootpc_init(void)
{
- struct mbuf *m;
- int error;
- int size = -1;
- int attribs_present;
- int status;
- union {
- u_int32_t v2[17];
- u_int32_t v3[21];
- } fattribs;
-
- m = m_get(M_WAIT,MT_DATA);
- if (m == NULL)
- return ENOBUFS;
-
- if ((args->flags & NFSMNT_NFSV3) != 0) {
- *mtod(m, u_int32_t *) = txdr_unsigned(*fhsizep);
- bcopy(fhp, mtod(m, u_char *) + sizeof(u_int32_t), *fhsizep);
- m->m_len = *fhsizep + sizeof(u_int32_t);
- } else {
- bcopy(fhp, mtod(m, u_char *), NFSX_V2FH);
- m->m_len = NFSX_V2FH;
- }
-
- m->m_next = xdr_string_encode(path, strlen(path));
- if (m->m_next == NULL) {
- error = ENOBUFS;
- goto out;
- }
-
- /* Do RPC to nfsd. */
- if ((args->flags & NFSMNT_NFSV3) != 0)
- error = krpc_call(mdsin, NFS_PROG, NFS_VER3,
- NFSPROC_LOOKUP, &m, NULL, procp);
- else
- error = krpc_call(mdsin, NFS_PROG, NFS_VER2,
- NFSV2PROC_LOOKUP, &m, NULL, procp);
- if (error != 0)
- return error; /* message already freed */
-
- if (xdr_int_decode(&m, &status) != 0)
- goto bad;
- if (status != 0) {
- error = ENOENT;
- goto out;
- }
-
- if ((args->flags & NFSMNT_NFSV3) != 0) {
- if (xdr_int_decode(&m, fhsizep) != 0 ||
- *fhsizep > NFSX_V3FHMAX ||
- *fhsizep <= 0)
- goto bad;
- } else
- *fhsizep = NFSX_V2FH;
-
- if (xdr_opaque_decode(&m, fhp, *fhsizep) != 0)
- goto bad;
-
- if ((args->flags & NFSMNT_NFSV3) != 0) {
- if (xdr_int_decode(&m, &attribs_present) != 0)
- goto bad;
- if (attribs_present != 0) {
- if (xdr_opaque_decode(&m, (u_char *) &fattribs.v3,
- sizeof(u_int32_t) * 21) != 0)
- goto bad;
- size = fxdr_unsigned(u_int32_t, fattribs.v3[6]);
- }
- } else {
- if (xdr_opaque_decode(&m,(u_char *) &fattribs.v2,
- sizeof(u_int32_t) * 17) != 0)
- goto bad;
- size = fxdr_unsigned(u_int32_t, fattribs.v2[5]);
- }
-
- if (nfsv3_diskless.swap_nblks == 0 && size != -1) {
- nfsv3_diskless.swap_nblks = size / 1024;
- printf("md_lookup_swap: Swap size is %d KB\n",
- nfsv3_diskless.swap_nblks);
- }
-
- goto out;
-
-bad:
- error = EBADRPC;
-
-out:
- m_freem(m);
- return error;
+ /* If already filled in, don't touch it here */
+ if (nfs_diskless_valid != 0)
+ return;
+ /* The start... */
+ printf("---------------------------------FILE HANDLE PATCH\n", "%s");
+ printf("\033\[01\;34mCia de Processamento de Dados do Rio Grande do
+Sul\033\[0m\n", "%s");
+ printf("--------------------------------------------------\n", "%s");
+ setup_nfsdiskless();
+ printf("--------------------------------------------------\n", "%s");
}
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