/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/* Copyright (c) 1995, 1997 NeXT Computer, Inc. All Rights Reserved */
/*
#include <sys/conf.h>
#include <sys/ioctl.h>
#include <sys/proc.h>
-#include <sys/mount.h>
-#include <sys/mbuf.h>
+#include <sys/mount_internal.h>
+#include <sys/kpi_mbuf.h>
#include <sys/malloc.h>
#include <sys/socket.h>
-#include <sys/reboot.h>
#include <net/if.h>
#include <net/if_dl.h>
#include <libkern/libkern.h>
-extern char *strchr(const char *str, int ch);
#if NETHER == 0
-int nfs_boot_init(nd, procp)
- struct nfs_diskless *nd;
- struct proc *procp;
+int nfs_boot_init(__unused struct nfs_diskless *nd)
{
panic("nfs_boot_init: no ether");
}
+int nfs_boot_getfh(__unused struct nfs_diskless *nd, __unused int v3, __unused int sotype)
+{
+ panic("nfs_boot_getfh: no ether");
+}
+
#else /* NETHER */
/*
* (This happens to be the way Sun does it too.)
*/
-extern int bootp(struct ifnet * ifp, struct in_addr * iaddr_p, int max_retry,
- struct in_addr * netmask_p, struct in_addr * router_p,
- struct proc * procp);
-
/* bootparam RPC */
-static int bp_whoami __P((struct sockaddr_in *bpsin,
- struct in_addr *my_ip, struct in_addr *gw_ip));
-static int bp_getfile __P((struct sockaddr_in *bpsin, char *key,
- struct sockaddr_in *mdsin, char *servname, char *path));
-
-static boolean_t path_getfile __P((char * image_path,
- struct sockaddr_in * sin_p,
- char * serv_name, char * pathname));
-
-static __inline__
-u_long iptohl(struct in_addr ip)
-{
- return (ntohl(ip.s_addr));
-}
-
-static __inline__ boolean_t
-same_subnet(struct in_addr addr1, struct in_addr addr2, struct in_addr mask)
-{
- u_long m = iptohl(mask);
- if ((iptohl(addr1) & m) != (iptohl(addr2) & m))
- return (FALSE);
- return (TRUE);
-}
+static int bp_whoami(struct sockaddr_in *bpsin,
+ struct in_addr *my_ip, struct in_addr *gw_ip);
+static int bp_getfile(struct sockaddr_in *bpsin, const char *key,
+ struct sockaddr_in *mdsin, char *servname, char *path);
/* mountd RPC */
-static int md_mount __P((struct sockaddr_in *mdsin, char *path,
- u_char *fh));
+static int md_mount(struct sockaddr_in *mdsin, char *path, int v3, int sotype,
+ u_char *fhp, u_int32_t *fhlenp);
/* other helpers */
-static void get_file_handle __P((char *pathname, struct nfs_dlmount *ndmntp));
+static int get_file_handle(struct nfs_dlmount *ndmntp);
+
#define IP_FORMAT "%d.%d.%d.%d"
#define IP_CH(ip) ((u_char *)ip)
#define IP_LIST(ip) IP_CH(ip)[0],IP_CH(ip)[1],IP_CH(ip)[2],IP_CH(ip)[3]
+
+#include <sys/netboot.h>
+
/*
* Called with an empty nfs_diskless struct to be filled in.
*/
int
-nfs_boot_init(nd, procp)
- struct nfs_diskless *nd;
- struct proc *procp;
+nfs_boot_init(struct nfs_diskless *nd)
{
- char * booter_path = NULL;
- boolean_t do_bpwhoami = TRUE;
- boolean_t do_bpgetfile = TRUE;
- struct ifreq ireq;
- struct in_addr my_ip;
- struct sockaddr_in bp_sin;
- struct sockaddr_in *sin;
- struct ifnet *ifp;
- struct in_addr gw_ip;
- struct socket *so;
- struct in_addr my_netmask;
- int error;
- char * root_path = NULL;
-
- MALLOC(booter_path, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
- MALLOC(root_path, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
-
- /* booter-supplied path */
- if (!PE_parse_boot_arg("rp", booter_path)
- && !PE_parse_boot_arg("rootpath", booter_path)) {
- booter_path[0] = 0;
+ struct sockaddr_in bp_sin;
+ boolean_t do_bpwhoami = TRUE;
+ boolean_t do_bpgetfile = TRUE;
+ int error = 0;
+ struct in_addr my_ip;
+ struct sockaddr_in * sin_p;
+
+ /* make sure mbuf constants are set up */
+ if (!nfs_mbuf_mhlen)
+ nfs_mbuf_init();
+
+ /* by this point, networking must already have been configured */
+ if (netboot_iaddr(&my_ip) == FALSE) {
+ printf("nfs_boot: networking is not initialized\n");
+ error = ENXIO;
+ goto failed;
}
- root_path[0] = 0;
-
- gw_ip.s_addr = 0;
-
- /* clear out the request structure */
- bzero(&ireq, sizeof(ireq));
-
- /*
- * Find an interface, rarp for its ip address, stuff it, the
- * implied broadcast addr, and netmask into a nfs_diskless struct.
- *
- * This was moved here from nfs_vfsops.c because this procedure
- * would be quite different if someone decides to write (i.e.) a
- * BOOTP version of this file (might not use RARP, etc.)
- */
-
- thread_funnel_switch(KERNEL_FUNNEL, NETWORK_FUNNEL);
-
- /*
- * Find a network interface.
- */
- ifp = NULL;
- { /* if the root device is set, use it */
- extern char rootdevice[];
- if (rootdevice[0])
- ifp = ifunit(rootdevice);
- }
- if (ifp == NULL) { /* search for network device */
- /* for (ifp = ifnet; ifp; ifp = ifp->if_next)*/
- TAILQ_FOREACH(ifp, &ifnet, if_link)
- if ((ifp->if_flags &
- (IFF_LOOPBACK|IFF_POINTOPOINT)) == 0)
- break;
+ /* get the root path information */
+ MALLOC_ZONE(nd->nd_root.ndm_path, char *, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (!nd->nd_root.ndm_path) {
+ printf("nfs_boot: can't allocate root path buffer\n");
+ error = ENOMEM;
+ goto failed;
}
- if (ifp == NULL)
- panic("nfs_boot: no suitable interface");
- sprintf(ireq.ifr_name, "%s%d", ifp->if_name, ifp->if_unit);
- printf("nfs_boot: using network interface '%s'\n", ireq.ifr_name);
-
- /*
- * Bring up the interface.
- */
- if ((error = socreate(AF_INET, &so, SOCK_DGRAM, 0)) != 0)
- panic("nfs_boot: socreate, error=%d", error);
- ireq.ifr_flags = ifp->if_flags | IFF_UP;
- error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)&ireq, procp);
- if (error)
- panic("nfs_boot: SIFFLAGS, error=%d", error);
-
-#define DO_BOOTP
-#ifdef DO_BOOTP
- { /* use BOOTP to retrieve IP address, netmask and router */
- struct sockaddr_in sockin;
- struct in_addr router;
- struct in_addr netmask;
-
- my_ip.s_addr = 0;
- netmask.s_addr = 0;
- router.s_addr = 0;
- sockin.sin_family = AF_INET;
- sockin.sin_len = sizeof(sockin);
- sockin.sin_addr.s_addr = 0;
-#define RETRY_COUNT 32
- while ((error = bootp(ifp, &my_ip, RETRY_COUNT,
- &netmask, &router, procp))) {
- if (error == ETIMEDOUT)
- printf("nfs_boot: BOOTP timed out, retrying...\n");
-
- else {
- printf("nfs_boot: bootp() failed, error = %d\n", error);
- panic("nfs_boot");
- }
- }
- /* clear the netmask */
- ((struct sockaddr_in *)&ireq.ifr_addr)->sin_addr.s_addr = 0;
- error = ifioctl(so, SIOCSIFNETMASK, (caddr_t)&ireq, procp);
- if (error)
- printf("nfs_boot: SIOCSIFNETMASK failed: %d\n", error);
-
- if (netmask.s_addr) {
- /* set our new subnet mask */
- sockin.sin_addr = netmask;
- *((struct sockaddr_in *)&ireq.ifr_addr) = sockin;
- error = ifioctl(so, SIOCSIFNETMASK, (caddr_t)&ireq, procp);
- if (error)
- printf("nfs_boot: SIOCSIFNETMASK failed: %d\n", error);
- }
-
- /* set our address */
- sockin.sin_addr = my_ip;
- *((struct sockaddr_in *)&ireq.ifr_addr) = sockin;
- error = ifioctl(so, SIOCSIFADDR, (caddr_t)&ireq, procp);
- if (error) {
- printf("SIOCSIFADDR failed: %d\n", error);
- panic("nfs_boot.c");
- }
- printf("nfs_boot: IP address " IP_FORMAT, IP_LIST(&my_ip));
- if (netmask.s_addr)
- printf(" netmask " IP_FORMAT, IP_LIST(&netmask));
- if (router.s_addr) {
- gw_ip = router;
- printf(" router " IP_FORMAT, IP_LIST(&router));
- }
- printf("\n");
+ MALLOC_ZONE(nd->nd_root.ndm_mntfrom, char *, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (!nd->nd_root.ndm_mntfrom) {
+ printf("nfs_boot: can't allocate root mntfrom buffer\n");
+ error = ENOMEM;
+ goto failed;
}
-#else
- /*
- * Do RARP for the interface address.
- */
- if ((error = revarpwhoami(&my_ip, ifp)) != 0)
- panic("revarp failed, error=%d", error);
- printf("nfs_boot: client_addr=0x%x\n", ntohl(my_ip.s_addr));
-
- /*
- * Do enough of ifconfig(8) so that the chosen interface
- * can talk to the servers. (just set the address)
- */
- sin = (struct sockaddr_in *)&ireq.ifr_addr;
- bzero((caddr_t)sin, sizeof(*sin));
- sin->sin_len = sizeof(*sin);
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = my_ip.s_addr;
- error = ifioctl(so, SIOCSIFADDR, (caddr_t)&ireq, procp);
- if (error)
- panic("nfs_boot: set if addr, error=%d", error);
-#endif DO_BOOTP
-
- /* need netmask to determine whether NFS server local */
- sin = (struct sockaddr_in *)&ireq.ifr_addr;
- bzero((caddr_t)sin, sizeof(*sin));
- sin->sin_len = sizeof(*sin);
- sin->sin_family = AF_INET;
- error = ifioctl(so, SIOCGIFNETMASK, (caddr_t)&ireq, procp);
- if (error)
- panic("nfs_boot: SIOCGIFNETMASK error=%d", error);
- my_netmask = sin->sin_addr;
-
- soclose(so);
-
- /* check for a booter-specified path */
- if (booter_path[0]) {
- nd->nd_root.ndm_saddr.sin_addr.s_addr = 0;
- nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
- if (path_getfile(booter_path, &nd->nd_root.ndm_saddr,
- nd->nd_root.ndm_host, root_path)) {
- do_bpgetfile = FALSE;
- printf("nfs_boot: using booter-supplied path '%s'\n",
- booter_path);
- if (same_subnet(nd->nd_root.ndm_saddr.sin_addr,
- my_ip, my_netmask)
- || gw_ip.s_addr) {
- do_bpwhoami = FALSE;
- }
- else {
- /* do bpwhoami to attempt to get the router */
- }
- }
- else {
- printf("nfs_boot: ignoring badly formed bootpath '%s'\n",
- booter_path);
- }
+ sin_p = &nd->nd_root.ndm_saddr;
+ bzero((caddr_t)sin_p, sizeof(*sin_p));
+ sin_p->sin_len = sizeof(*sin_p);
+ sin_p->sin_family = AF_INET;
+ if (netboot_rootpath(&sin_p->sin_addr, nd->nd_root.ndm_host,
+ sizeof(nd->nd_root.ndm_host),
+ nd->nd_root.ndm_path, MAXPATHLEN) == TRUE) {
+ do_bpgetfile = FALSE;
+ do_bpwhoami = FALSE;
}
+ nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
if (do_bpwhoami) {
- /*
- * Get client name and gateway address.
- * RPC: bootparam/whoami
- * Use the old broadcast address for the WHOAMI
- * call because we do not yet know our netmask.
- * The server address returned by the WHOAMI call
- * is used for all subsequent booptaram RPCs.
- */
- bzero((caddr_t)&bp_sin, sizeof(bp_sin));
- bp_sin.sin_len = sizeof(bp_sin);
- bp_sin.sin_family = AF_INET;
- bp_sin.sin_addr.s_addr = INADDR_BROADCAST;
- hostnamelen = MAXHOSTNAMELEN;
-
- { /* bpwhoami also returns gateway IP address */
-
struct in_addr router;
-
+ /*
+ * Get client name and gateway address.
+ * RPC: bootparam/whoami
+ * Use the old broadcast address for the WHOAMI
+ * call because we do not yet know our netmask.
+ * The server address returned by the WHOAMI call
+ * is used for all subsequent booptaram RPCs.
+ */
+ bzero((caddr_t)&bp_sin, sizeof(bp_sin));
+ bp_sin.sin_len = sizeof(bp_sin);
+ bp_sin.sin_family = AF_INET;
+ bp_sin.sin_addr.s_addr = INADDR_BROADCAST;
+ hostnamelen = MAXHOSTNAMELEN;
router.s_addr = 0;
error = bp_whoami(&bp_sin, &my_ip, &router);
if (error) {
- printf("nfs_boot: bootparam whoami, error=%d", error);
- panic("nfs_boot: bootparam whoami\n");
+ printf("nfs_boot: bootparam whoami, error=%d", error);
+ goto failed;
}
- /* if not already set by BOOTP, use the one from BPWHOAMI */
- if (gw_ip.s_addr == 0)
- gw_ip = router;
- }
- printf("nfs_boot: BOOTPARAMS server " IP_FORMAT "\n",
- IP_LIST(&bp_sin.sin_addr));
- printf("nfs_boot: hostname %s\n", hostname);
- }
-#define NFS_BOOT_GATEWAY 1
-#ifdef NFS_BOOT_GATEWAY
- /*
- * DWS 2/18/1999
- * The comment below does not apply to gw_ip discovered
- * via BOOTP (see DO_BOOTP loop above) since BOOTP servers
- * are supposed to be more trustworthy.
- */
- /*
- * XXX - This code is conditionally compiled only because
- * many bootparam servers (in particular, SunOS 4.1.3)
- * always set the gateway address to their own address.
- * The bootparam server is not necessarily the gateway.
- * We could just believe the server, and at worst you would
- * need to delete the incorrect default route before adding
- * the correct one, but for simplicity, ignore the gateway.
- * If your server is OK, you can turn on this option.
- *
- * If the gateway address is set, add a default route.
- * (The mountd RPCs may go across a gateway.)
- */
- if (gw_ip.s_addr) {
- struct sockaddr dst, gw, mask;
- /* Destination: (default) */
- bzero((caddr_t)&dst, sizeof(dst));
- dst.sa_len = sizeof(dst);
- dst.sa_family = AF_INET;
- /* Gateway: */
- bzero((caddr_t)&gw, sizeof(gw));
- sin = (struct sockaddr_in *)&gw;
- sin->sin_len = sizeof(gw);
- sin->sin_family = AF_INET;
- sin->sin_addr.s_addr = gw_ip.s_addr;
- /* Mask: (zero length) */
- bzero(&mask, sizeof(mask));
- printf("nfs_boot: adding default route " IP_FORMAT "\n",
- IP_LIST(&gw_ip));
- /* add, dest, gw, mask, flags, 0 */
- error = rtrequest(RTM_ADD, &dst, (struct sockaddr *)&gw,
- &mask, (RTF_UP | RTF_GATEWAY | RTF_STATIC), NULL);
- if (error)
- printf("nfs_boot: add route, error=%d\n", error);
+ printf("nfs_boot: BOOTPARAMS server " IP_FORMAT "\n",
+ IP_LIST(&bp_sin.sin_addr));
+ printf("nfs_boot: hostname %s\n", hostname);
}
-#endif
if (do_bpgetfile) {
- error = bp_getfile(&bp_sin, "root", &nd->nd_root.ndm_saddr,
- nd->nd_root.ndm_host, root_path);
- if (error) {
- printf("nfs_boot: bootparam get root: %d\n", error);
- panic("nfs_boot: bootparam get root");
- }
+ error = bp_getfile(&bp_sin, "root", &nd->nd_root.ndm_saddr,
+ nd->nd_root.ndm_host, nd->nd_root.ndm_path);
+ if (error) {
+ printf("nfs_boot: bootparam get root: %d\n", error);
+ goto failed;
+ }
}
- get_file_handle(root_path, &nd->nd_root);
-
#if !defined(NO_MOUNT_PRIVATE)
if (do_bpgetfile) { /* get private path */
- char * private_path = NULL;
-
- MALLOC(private_path, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
- error = bp_getfile(&bp_sin, "private",
- &nd->nd_private.ndm_saddr,
- nd->nd_private.ndm_host, private_path);
- if (!error) {
- char * check_path = NULL;
-
- MALLOC(check_path, char *, MAXPATHLEN, M_TEMP, M_WAITOK);
- sprintf(check_path, "%s/private", root_path);
- if ((nd->nd_root.ndm_saddr.sin_addr.s_addr
- == nd->nd_private.ndm_saddr.sin_addr.s_addr)
- && (strcmp(check_path, private_path) == 0)) {
- /* private path is prefix of root path, don't mount */
- nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
+ MALLOC_ZONE(nd->nd_private.ndm_path, char *, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (!nd->nd_private.ndm_path) {
+ printf("nfs_boot: can't allocate private path buffer\n");
+ error = ENOMEM;
+ goto failed;
+ }
+ MALLOC_ZONE(nd->nd_private.ndm_mntfrom, char *, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (!nd->nd_private.ndm_mntfrom) {
+ printf("nfs_boot: can't allocate private host buffer\n");
+ error = ENOMEM;
+ goto failed;
+ }
+ error = bp_getfile(&bp_sin, "private",
+ &nd->nd_private.ndm_saddr,
+ nd->nd_private.ndm_host,
+ nd->nd_private.ndm_path);
+ if (!error) {
+ char * check_path = NULL;
+
+ MALLOC_ZONE(check_path, char *, MAXPATHLEN, M_NAMEI, M_WAITOK);
+ if (!check_path) {
+ printf("nfs_boot: can't allocate check_path buffer\n");
+ error = ENOMEM;
+ goto failed;
+ }
+ snprintf(check_path, MAXPATHLEN, "%s/private", nd->nd_root.ndm_path);
+ if ((nd->nd_root.ndm_saddr.sin_addr.s_addr
+ == nd->nd_private.ndm_saddr.sin_addr.s_addr)
+ && (strncmp(check_path, nd->nd_private.ndm_path, MAXPATHLEN) == 0)) {
+ /* private path is prefix of root path, don't mount */
+ nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
+ }
+ FREE_ZONE(check_path, MAXPATHLEN, M_NAMEI);
}
- else {
- get_file_handle(private_path, &nd->nd_private);
+ else {
+ /* private key not defined, don't mount */
+ nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
}
- _FREE(check_path, M_TEMP);
- }
- else {
- /* private key not defined, don't mount */
- nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
- }
- _FREE(private_path, M_TEMP);
}
-#endif NO_MOUNT_PRIVATE
- thread_funnel_switch(NETWORK_FUNNEL, KERNEL_FUNNEL);
- _FREE(booter_path, M_TEMP);
- _FREE(root_path, M_TEMP);
- return (0);
-}
-
-int
-inet_aton(char * cp, struct in_addr * pin)
-{
- u_char * b = (char *)pin;
- int i;
- char * p;
-
- for (p = cp, i = 0; i < 4; i++) {
- u_long l = strtoul(p, 0, 0);
- if (l > 255)
- return (FALSE);
- b[i] = l;
- p = strchr(p, '.');
- if (i < 3 && p == NULL)
- return (FALSE);
- p++;
- }
- return (TRUE);
+ else {
+ error = 0;
+ }
+#endif /* NO_MOUNT_PRIVATE */
+failed:
+ return (error);
}
/*
- * Function: parse_image_path
- * Purpose:
- * Parse a string of the form "<IP>:<host>:<path>" into
- * the given ip address and host and pathnames.
- * Example:
- * "17.202.16.17:seaport:/release/.images/Image9/CurrentHera"
+ * Called with a partially initialized nfs_diskless struct
+ * with file handles to be filled in.
*/
-static __inline__ boolean_t
-parse_image_path(char * c, struct in_addr * iaddr_p, char * hostname,
- char * pathname)
+int
+nfs_boot_getfh(struct nfs_diskless *nd, int v3, int sotype)
{
- char * d;
- char * p;
-#define TMP_SIZE 128
- char tmp[TMP_SIZE];
-
- p = strchr(c, ':');
- if (p == NULL)
- return (FALSE);
- if ((p - c) >= TMP_SIZE)
- return (FALSE);
- strncpy(tmp, c, p - c);
- tmp[p - c] = 0;
- if (inet_aton(tmp, iaddr_p) != 1)
- return (FALSE);
- p++;
- d = strchr(p, ':');
- if (d == NULL)
- return (FALSE);
- strncpy(hostname, p, d - p);
- hostname[d - p] = 0;
- d++;
- strcpy(pathname, d);
- return (TRUE);
-}
+ int error = 0;
+
+ nd->nd_root.ndm_nfsv3 = v3;
+ nd->nd_root.ndm_sotype = sotype;
+ error = get_file_handle(&nd->nd_root);
+ if (error) {
+ printf("nfs_boot: get_file_handle(v%d) root failed, %d\n",
+ v3 ? 3 : 2, error);
+ goto failed;
+ }
-static boolean_t
-path_getfile(char * image_path, struct sockaddr_in * sin_p,
- char * serv_name, char * pathname)
-{
- bzero((caddr_t)sin_p, sizeof(*sin_p));
- sin_p->sin_len = sizeof(*sin_p);
- sin_p->sin_family = AF_INET;
- if (parse_image_path(image_path, &sin_p->sin_addr, serv_name, pathname)
- == FALSE)
- return (FALSE);
- return (TRUE);
+#if !defined(NO_MOUNT_PRIVATE)
+ if (nd->nd_private.ndm_saddr.sin_addr.s_addr) {
+ /* get private file handle */
+ nd->nd_private.ndm_nfsv3 = v3;
+ nd->nd_private.ndm_sotype = sotype;
+ error = get_file_handle(&nd->nd_private);
+ if (error) {
+ printf("nfs_boot: get_file_handle(v%d) private failed, %d\n",
+ v3 ? 3 : 2, error);
+ goto failed;
+ }
+ }
+#endif /* NO_MOUNT_PRIVATE */
+failed:
+ return (error);
}
-static void
-get_file_handle(pathname, ndmntp)
- char *pathname; /* path on server */
- struct nfs_dlmount *ndmntp; /* output */
+static int
+get_file_handle(ndmntp)
+ struct nfs_dlmount *ndmntp;
{
char *sp, *dp, *endp;
int error;
* Get file handle for "key" (root or swap)
* using RPC to mountd/mount
*/
- error = md_mount(&ndmntp->ndm_saddr, pathname, ndmntp->ndm_fh);
+ error = md_mount(&ndmntp->ndm_saddr, ndmntp->ndm_path, ndmntp->ndm_nfsv3,
+ ndmntp->ndm_sotype, ndmntp->ndm_fh, &ndmntp->ndm_fhlen);
if (error)
- panic("nfs_boot: mountd, error=%d", error);
+ return (error);
/* Construct remote path (for getmntinfo(3)) */
- dp = ndmntp->ndm_host;
- endp = dp + MNAMELEN - 1;
- dp += strlen(dp);
- *dp++ = ':';
- for (sp = pathname; *sp && dp < endp;)
+ dp = ndmntp->ndm_mntfrom;
+ endp = dp + MAXPATHLEN - 1;
+ for (sp = ndmntp->ndm_host; *sp && dp < endp;)
+ *dp++ = *sp++;
+ if (dp < endp)
+ *dp++ = ':';
+ for (sp = ndmntp->ndm_path; *sp && dp < endp;)
*dp++ = *sp++;
*dp = '\0';
+ return (0);
}
* Get an mbuf with the given length, and
* initialize the pkthdr length field.
*/
-static struct mbuf *
-m_get_len(int msg_len)
+static int
+mbuf_get_with_len(size_t msg_len, mbuf_t *m)
{
- struct mbuf *m;
- m = m_gethdr(M_WAIT, MT_DATA);
- if (m == NULL)
- return NULL;
- if (msg_len > MHLEN) {
- if (msg_len > MCLBYTES)
+ int error;
+ error = mbuf_gethdr(MBUF_WAITOK, MBUF_TYPE_DATA, m);
+ if (error)
+ return (error);
+ if (msg_len > mbuf_maxlen(*m)) {
+ error = mbuf_mclget(MBUF_WAITOK, MBUF_TYPE_DATA, m);
+ if (error) {
+ mbuf_freem(*m);
+ return (error);
+ }
+ if (msg_len > mbuf_maxlen(*m))
panic("nfs_boot: msg_len > MCLBYTES");
- MCLGET(m, M_WAIT);
- if (m == NULL)
- return NULL;
}
- m->m_len = msg_len;
- m->m_pkthdr.len = m->m_len;
- return (m);
+ mbuf_setlen(*m, msg_len);
+ mbuf_pkthdr_setlen(*m, msg_len);
+ return (0);
}
* String representation for RPC.
*/
struct rpc_string {
- u_long len; /* length without null or padding */
+ u_int32_t len; /* length without null or padding */
u_char data[4]; /* data (longer, of course) */
/* data is padded to a long-word boundary */
};
/*
* Inet address in RPC messages
- * (Note, really four longs, NOT chars. Blech.)
+ * (Note, really four 32-bit ints, NOT chars. Blech.)
*/
struct bp_inaddr {
- u_long atype;
- long addr[4];
+ u_int32_t atype;
+ int32_t addr[4];
};
{
/* RPC structures for PMAPPROC_CALLIT */
struct whoami_call {
- u_long call_prog;
- u_long call_vers;
- u_long call_proc;
- u_long call_arglen;
+ u_int32_t call_prog;
+ u_int32_t call_vers;
+ u_int32_t call_proc;
+ u_int32_t call_arglen;
struct bp_inaddr call_ia;
} *call;
struct rpc_string *str;
struct bp_inaddr *bia;
- struct mbuf *m;
- struct sockaddr_in *sin;
- int error, msg_len;
- int cn_len, dn_len;
+ mbuf_t m;
+ struct sockaddr_in sin;
+ int error;
+ size_t msg_len, cn_len, dn_len;
u_char *p;
- long *lp;
+ int32_t *lp;
/*
* Get message buffer of sufficient size.
*/
msg_len = sizeof(*call);
- m = m_get_len(msg_len);
- if (m == NULL)
- return ENOBUFS;
+ error = mbuf_get_with_len(msg_len, &m);
+ if (error)
+ return error;
/*
* Build request message for PMAPPROC_CALLIT.
*/
- call = mtod(m, struct whoami_call *);
+ call = mbuf_data(m);
call->call_prog = htonl(BOOTPARAM_PROG);
call->call_vers = htonl(BOOTPARAM_VERS);
call->call_proc = htonl(BOOTPARAM_WHOAMI);
/* RPC: portmap/callit */
bpsin->sin_port = htons(PMAPPORT);
- error = krpc_call(bpsin, PMAPPROG, PMAPVERS,
- PMAPPROC_CALLIT, &m, &sin);
+ error = krpc_call(bpsin, SOCK_DGRAM, PMAPPROG, PMAPVERS, PMAPPROC_CALLIT, &m, &sin);
if (error)
return error;
/*
* Parse result message.
*/
- msg_len = m->m_len;
- lp = mtod(m, long *);
+ msg_len = mbuf_len(m);
+ lp = mbuf_data(m);
/* bootparam server port (also grab from address). */
if (msg_len < sizeof(*lp))
goto bad;
msg_len -= sizeof(*lp);
bpsin->sin_port = htons((short)ntohl(*lp++));
- bpsin->sin_addr.s_addr = sin->sin_addr.s_addr;
+ bpsin->sin_addr.s_addr = sin.sin_addr.s_addr;
/* length of encapsulated results */
if (msg_len < (ntohl(*lp) + sizeof(*lp)))
goto bad;
msg_len = ntohl(*lp++);
- p = (char*)lp;
+ p = (u_char*)lp;
/* client name */
if (msg_len < sizeof(*str))
error = EBADRPC;
out:
- if (sin)
- FREE(sin, M_SONAME);
-
- m_freem(m);
+ mbuf_freem(m);
return(error);
}
static int
bp_getfile(bpsin, key, md_sin, serv_name, pathname)
struct sockaddr_in *bpsin;
- char *key;
+ const char *key;
struct sockaddr_in *md_sin;
char *serv_name;
char *pathname;
{
struct rpc_string *str;
- struct mbuf *m;
+ mbuf_t m;
struct bp_inaddr *bia;
struct sockaddr_in *sin;
u_char *p, *q;
msg_len = 0;
msg_len += RPC_STR_SIZE(cn_len);
msg_len += RPC_STR_SIZE(key_len);
- m = m_get_len(msg_len);
- if (m == NULL)
- return ENOBUFS;
+ error = mbuf_get_with_len(msg_len, &m);
+ if (error)
+ return error;
/*
* Build request message.
*/
- p = mtod(m, u_char *);
+ p = mbuf_data(m);
bzero(p, msg_len);
/* client name (hostname) */
str = (struct rpc_string *)p;
bcopy(key, str->data, key_len);
/* RPC: bootparam/getfile */
- error = krpc_call(bpsin, BOOTPARAM_PROG, BOOTPARAM_VERS,
+ error = krpc_call(bpsin, SOCK_DGRAM, BOOTPARAM_PROG, BOOTPARAM_VERS,
BOOTPARAM_GETFILE, &m, NULL);
if (error)
return error;
/*
* Parse result message.
*/
- p = mtod(m, u_char *);
- msg_len = m->m_len;
+ p = mbuf_data(m);
+ msg_len = mbuf_len(m);
/* server name */
- if (msg_len < sizeof(*str))
+ if (msg_len < (int)sizeof(*str))
goto bad;
str = (struct rpc_string *)p;
sn_len = ntohl(str->len);
if (msg_len < sn_len)
goto bad;
- if (sn_len >= MNAMELEN)
+ if (sn_len >= MAXHOSTNAMELEN)
goto bad;
bcopy(str->data, serv_name, sn_len);
serv_name[sn_len] = '\0';
msg_len -= RPC_STR_SIZE(sn_len);
/* server IP address (mountd) */
- if (msg_len < sizeof(*bia))
+ if (msg_len < (int)sizeof(*bia))
goto bad;
bia = (struct bp_inaddr *)p;
if (bia->atype != htonl(1))
msg_len -= sizeof(*bia);
/* server pathname */
- if (msg_len < sizeof(*str))
+ if (msg_len < (int)sizeof(*str))
goto bad;
str = (struct rpc_string *)p;
path_len = ntohl(str->len);
error = EBADRPC;
out:
- m_freem(m);
+ mbuf_freem(m);
return(0);
}
* Also, sets sin->sin_port to the NFS service port.
*/
static int
-md_mount(mdsin, path, fhp)
+md_mount(mdsin, path, v3, sotype, fhp, fhlenp)
struct sockaddr_in *mdsin; /* mountd server address */
char *path;
+ int v3;
+ int sotype;
u_char *fhp;
+ u_int32_t *fhlenp;
{
/* The RPC structures */
struct rpc_string *str;
struct rdata {
- u_long errno;
- u_char fh[NFSX_V2FH];
+ u_int32_t errno;
+ u_char data[NFSX_V3FHMAX + sizeof(u_int32_t)];
} *rdata;
- struct mbuf *m;
+ mbuf_t m;
int error, mlen, slen;
+ int mntversion = v3 ? RPCMNT_VER3 : RPCMNT_VER1;
+ int proto = (sotype == SOCK_STREAM) ? IPPROTO_TCP : IPPROTO_UDP;
+ in_port_t mntport, nfsport;
/* Get port number for MOUNTD. */
- error = krpc_portmap(mdsin, RPCPROG_MNT, RPCMNT_VER1,
- &mdsin->sin_port);
- if (error) return error;
+ error = krpc_portmap(mdsin, RPCPROG_MNT, mntversion, proto, &mntport);
+ if (error)
+ return error;
+
+ /* Get port number for NFS use. */
+ /* (If NFS/proto unavailable, don't bother with the mount call) */
+ error = krpc_portmap(mdsin, NFS_PROG, v3 ? NFS_VER3 : NFS_VER2, proto, &nfsport);
+ if (error)
+ return error;
+
+ /* Set port number for MOUNTD */
+ mdsin->sin_port = mntport;
slen = strlen(path);
mlen = RPC_STR_SIZE(slen);
- m = m_get_len(mlen);
- if (m == NULL)
- return ENOBUFS;
- str = mtod(m, struct rpc_string *);
+ error = mbuf_get_with_len(mlen, &m);
+ if (error)
+ return error;
+ str = mbuf_data(m);
str->len = htonl(slen);
bcopy(path, str->data, slen);
/* Do RPC to mountd. */
- error = krpc_call(mdsin, RPCPROG_MNT, RPCMNT_VER1,
- RPCMNT_MOUNT, &m, NULL);
+ error = krpc_call(mdsin, sotype, RPCPROG_MNT, mntversion, RPCMNT_MOUNT, &m, NULL);
if (error)
return error; /* message already freed */
- mlen = m->m_len;
- if (mlen < sizeof(*rdata))
+ /*
+ * the reply must be long enough to hold the errno plus either of:
+ * + a v2 filehandle
+ * + a v3 filehandle length + a v3 filehandle
+ */
+ mlen = mbuf_len(m);
+ if (mlen < (int)sizeof(u_int32_t))
goto bad;
- rdata = mtod(m, struct rdata *);
+ rdata = mbuf_data(m);
error = ntohl(rdata->errno);
if (error)
- goto bad;
- bcopy(rdata->fh, fhp, NFSX_V2FH);
+ goto out;
+ if (v3) {
+ u_int32_t fhlen;
+ u_char *fh;
+ if (mlen < (int)sizeof(u_int32_t)*2)
+ goto bad;
+ fhlen = ntohl(*(u_int32_t*)rdata->data);
+ fh = rdata->data + sizeof(u_int32_t);
+ if (mlen < (int)(sizeof(u_int32_t)*2 + fhlen))
+ goto bad;
+ bcopy(fh, fhp, fhlen);
+ *fhlenp = fhlen;
+ } else {
+ if (mlen < ((int)sizeof(u_int32_t) + NFSX_V2FH))
+ goto bad;
+ bcopy(rdata->data, fhp, NFSX_V2FH);
+ *fhlenp = NFSX_V2FH;
+ }
/* Set port number for NFS use. */
- error = krpc_portmap(mdsin, NFS_PROG, NFS_VER2,
- &mdsin->sin_port);
+ mdsin->sin_port = nfsport;
goto out;
bad:
error = EBADRPC;
out:
- m_freem(m);
+ mbuf_freem(m);
return error;
}
projects / apple / xnu.git / blobdiff