/*
- * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2008 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
- *
- * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved.
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
- * file.
+ * 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.
+ *
+ * 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
* 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(nd, procp, v3)
- struct nfs_diskless *nd;
- struct proc *procp;
- int v3;
+int nfs_boot_getfh(__unused struct nfs_diskless *nd, __unused int v3, __unused int sotype)
{
panic("nfs_boot_getfh: no ether");
}
*/
/* 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 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, int v3,
- u_char *fhp, u_long *fhlenp));
+static int md_mount(struct sockaddr_in *mdsin, char *path, int v3, int sotype,
+ u_char *fhp, u_int32_t *fhlenp);
/* other helpers */
-static int get_file_handle __P((struct nfs_dlmount *ndmntp));
+static int get_file_handle(struct nfs_dlmount *ndmntp);
#define IP_FORMAT "%d.%d.%d.%d"
* 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)
{
struct sockaddr_in bp_sin;
boolean_t do_bpwhoami = TRUE;
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_noswitch;
+ goto failed;
}
/* 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;
+ }
+ 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;
+ }
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,
+ 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;
}
nd->nd_private.ndm_saddr.sin_addr.s_addr = 0;
- thread_funnel_switch(KERNEL_FUNNEL, NETWORK_FUNNEL);
-
if (do_bpwhoami) {
struct in_addr router;
/*
#if !defined(NO_MOUNT_PRIVATE)
if (do_bpgetfile) { /* get private path */
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,
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)
- && (strcmp(check_path, nd->nd_private.ndm_path) == 0)) {
+ && (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;
}
else {
error = 0;
}
-#endif NO_MOUNT_PRIVATE
+#endif /* NO_MOUNT_PRIVATE */
failed:
- thread_funnel_switch(NETWORK_FUNNEL, KERNEL_FUNNEL);
-failed_noswitch:
return (error);
}
* with file handles to be filled in.
*/
int
-nfs_boot_getfh(nd, procp, v3)
- struct nfs_diskless *nd;
- struct proc *procp;
- int v3;
+nfs_boot_getfh(struct nfs_diskless *nd, int v3, int sotype)
{
int error = 0;
- thread_funnel_switch(KERNEL_FUNNEL, NETWORK_FUNNEL);
-
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",
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",
goto failed;
}
}
-#endif NO_MOUNT_PRIVATE
- failed:
- thread_funnel_switch(NETWORK_FUNNEL, KERNEL_FUNNEL);
+#endif /* NO_MOUNT_PRIVATE */
+failed:
return (error);
}
* using RPC to mountd/mount
*/
error = md_mount(&ndmntp->ndm_saddr, ndmntp->ndm_path, ndmntp->ndm_nfsv3,
- ndmntp->ndm_fh, &ndmntp->ndm_fhlen);
+ ndmntp->ndm_sotype, ndmntp->ndm_fh, &ndmntp->ndm_fhlen);
if (error)
return (error);
/* Construct remote path (for getmntinfo(3)) */
- dp = ndmntp->ndm_host;
- endp = dp + MNAMELEN - 1;
- dp += strlen(dp);
- *dp++ = ':';
+ 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';
* 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, v3, fhp, fhlenp)
+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_long *fhlenp;
+ u_int32_t *fhlenp;
{
/* The RPC structures */
struct rpc_string *str;
struct rdata {
- u_long errno;
- u_char data[NFSX_V3FHMAX + sizeof(u_long)];
+ 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, mntversion,
- &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, mntversion,
- RPCMNT_MOUNT, &m, NULL);
+ error = krpc_call(mdsin, sotype, RPCPROG_MNT, mntversion, RPCMNT_MOUNT, &m, NULL);
if (error)
return error; /* message already freed */
* + a v2 filehandle
* + a v3 filehandle length + a v3 filehandle
*/
- mlen = m->m_len;
- if (mlen < sizeof(u_long))
+ 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 out;
if (v3) {
- u_long fhlen;
+ u_int32_t fhlen;
u_char *fh;
- if (mlen < sizeof(u_long)*2)
+ if (mlen < (int)sizeof(u_int32_t)*2)
goto bad;
- fhlen = ntohl(*(u_long*)rdata->data);
- fh = rdata->data + sizeof(u_long);
- if (mlen < (sizeof(u_long)*2 + fhlen))
+ 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 < (sizeof(u_long) + NFSX_V2FH))
+ 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, v3 ? NFS_VER3 : 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