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This commit is contained in:
deraadt 1994-06-29 07:28:36 +00:00
parent fccfa11af5
commit 9bc624e44c
1 changed files with 59 additions and 56 deletions
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115
sys/nfs/nfs_boot.c
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@ -1,4 +1,4 @@
/* $NetBSD: nfs_boot.c,v 1.5 1994/06/29 06:42:07 cgd Exp $ */
/* $NetBSD: nfs_boot.c,v 1.6 1994/06/29 07:28:36 deraadt Exp $ */
/*
* Copyright (c) 1994 Adam Glass, Gordon Ross
@ -71,25 +71,24 @@
*/
/* bootparam RPC */
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, char *key,
struct sockaddr_in *mdsin,
char *servname, char *path);
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));
/* mountd RPC */
static int md_mount(struct sockaddr_in *mdsin, char *path, u_char *fh);
static int md_mount __P((struct sockaddr_in *mdsin, char *path,
u_char *fh));
/* other helpers */
static void get_path_and_handle(struct sockaddr_in *bpsin, char *key,
struct nfs_dlmount *ndmntp);
static void get_path_and_handle __P((struct sockaddr_in *bpsin,
char *key, struct nfs_dlmount *ndmntp));
/*
* Called with an empty nfs_diskless struct to be filled in.
*/
int nfs_boot_init(nd, procp)
int
nfs_boot_init(nd, procp)
struct nfs_diskless *nd;
struct proc *procp;
{
@ -131,7 +130,7 @@ int nfs_boot_init(nd, procp)
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);
ireq.ifr_name);
/*
* Bring up the interface.
@ -140,7 +139,8 @@ int nfs_boot_init(nd, procp)
panic("nfs_boot: socreate, error=%d", error);
ireq.ifr_flags = IFF_UP;
error = ifioctl(so, SIOCSIFFLAGS, (caddr_t)&ireq, procp);
if (error) panic("nfs_boot: SIFFLAGS, error=%d", error);
if (error)
panic("nfs_boot: SIFFLAGS, error=%d", error);
/*
* Do RARP for the interface address. Also
@ -149,7 +149,7 @@ int nfs_boot_init(nd, procp)
if ((error = revarpwhoarewe(ifp, &srv_ip, &my_ip)) != 0)
panic("revarp failed, error=%d", error);
printf("nfs_boot: client=0x%x, server=0x%x\n",
my_ip.s_addr, srv_ip.s_addr);
my_ip.s_addr, srv_ip.s_addr);
/*
* Do enough of ifconfig(8) so that the chosen interface can
@ -161,7 +161,8 @@ int nfs_boot_init(nd, procp)
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);
if (error)
panic("nfs_boot: set if addr, error=%d", error);
soclose(so);
@ -173,9 +174,9 @@ int nfs_boot_init(nd, procp)
bp_sin.sin_family = AF_INET;
bp_sin.sin_addr.s_addr = srv_ip.s_addr;
hostnamelen = MAXHOSTNAMELEN;
error = bp_whoami(&bp_sin, /* input: where to send RPC */
&my_ip, /* input: client IP */
&gw_ip); /* ouptut: gateway IP */
/* this returns gateway IP address */
error = bp_whoami(&bp_sin, &my_ip, &gw_ip);
if (error)
panic("nfs_boot: bootparam whoami, error=%d", error);
printf("nfs_boot: hostname=%s\n", hostname);
@ -202,11 +203,12 @@ int nfs_boot_init(nd, procp)
gw.sin_addr.s_addr = gw_ip.s_addr;
/* Netmask: */
error = ifioctl(so, SIOCGIFNETMASK, (caddr_t)&ireq, procp);
if (error) panic("nfs_boot: get netmask, error=%d", error);
if (error)
panic("nfs_boot: get netmask, error=%d", error);
/* add, dest, gw, mask, flags, 0 */
error = rtrequest(RTM_ADD, &dst, &gw, &ifr.ifr_addr,
(RTF_UP | RTF_GATEWAY), NULL);
(RTF_UP | RTF_GATEWAY), NULL);
if (error)
printf("nfs_boot: add route, error=%d\n", error);
}
@ -221,8 +223,8 @@ int nfs_boot_init(nd, procp)
static void
get_path_and_handle(bpsin, key, ndmntp)
struct sockaddr_in *bpsin; /* bootparam server */
char *key; /* root or swap */
struct nfs_dlmount *ndmntp; /* output */
char *key; /* root or swap */
struct nfs_dlmount *ndmntp; /* output */
{
char pathname[MAXPATHLEN];
char *sp, *dp, *endp;
@ -232,10 +234,8 @@ get_path_and_handle(bpsin, key, ndmntp)
* Get server:pathname for "key" (root or swap)
* using RPC to bootparam/getfile
*/
error = bp_getfile(bpsin, key,
&ndmntp->ndm_saddr,
ndmntp->ndm_host,
pathname);
error = bp_getfile(bpsin, key, &ndmntp->ndm_saddr,
ndmntp->ndm_host, pathname);
if (error)
panic("nfs_boot: bootparam get %s: %d", key, error);
printf("%s on %s:%s\n", key, ndmntp->ndm_host, pathname);
@ -244,9 +244,7 @@ get_path_and_handle(bpsin, key, ndmntp)
* 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, pathname, ndmntp->ndm_fh);
if (error)
panic("nfs_boot: mountd %s, error=%d", key, error);
@ -258,7 +256,7 @@ get_path_and_handle(bpsin, key, ndmntp)
for (sp = pathname; *sp && dp < endp;)
*dp++ = *sp++;
*dp = '\0';
}
@ -328,9 +326,10 @@ struct bp_inaddr {
* controvercial, but it is so easy to do it here. -gwr
*/
static int
bp_whoami(struct sockaddr_in *bpsin,
struct in_addr *my_ip,
struct in_addr *gw_ip)
bp_whoami(bpsin, my_ip, gw_ip)
struct sockaddr_in *bpsin;
struct in_addr *my_ip;
struct in_addr *gw_ip;
{
/* The RPC structures */
struct bp_inaddr *bia;
@ -356,15 +355,18 @@ bp_whoami(struct sockaddr_in *bpsin,
bia = mtod(m, struct bp_inaddr *);
bia->atype = htonl(1);
p = (u_char*)my_ip; /* ugh! */
bia->addr[0] = htonl(*p); p++;
bia->addr[1] = htonl(*p); p++;
bia->addr[2] = htonl(*p); p++;
bia->addr[3] = htonl(*p); p++;
bia->addr[0] = htonl(*p);
p++;
bia->addr[1] = htonl(*p);
p++;
bia->addr[2] = htonl(*p);
p++;
bia->addr[3] = htonl(*p);
p++;
/* RPC: bootparam/whoami */
error = krpc_call((struct sockaddr *)bpsin,
BOOTPARAM_PROG, BOOTPARAM_VERS,
BOOTPARAM_WHOAMI, &m);
BOOTPARAM_PROG, BOOTPARAM_VERS, BOOTPARAM_WHOAMI, &m);
if (error)
return error;
@ -417,11 +419,11 @@ bp_whoami(struct sockaddr_in *bpsin,
*p++ = ntohl(bia->addr[3]);
goto out;
bad:
bad:
printf("nfs_boot: bootparam_whoami: bad reply\n");
error = EBADRPC;
out:
out:
m_freem(m);
return(error);
}
@ -435,8 +437,12 @@ bp_whoami(struct sockaddr_in *bpsin,
* server pathname
*/
static int
bp_getfile(struct sockaddr_in *bpsin, char *key,
struct sockaddr_in *md_sin, char *serv_name, char *pathname)
bp_getfile(bpsin, key, md_sin, serv_name, pathname)
struct sockaddr_in *bpsin;
char *key;
struct sockaddr_in *md_sin;
char *serv_name;
char *pathname;
{
struct rpc_string *str;
struct mbuf *m;
@ -475,8 +481,7 @@ bp_getfile(struct sockaddr_in *bpsin, char *key,
/* RPC: bootparam/getfile */
error = krpc_call((struct sockaddr *)bpsin,
BOOTPARAM_PROG, BOOTPARAM_VERS,
BOOTPARAM_GETFILE, &m);
BOOTPARAM_PROG, BOOTPARAM_VERS, BOOTPARAM_GETFILE, &m);
if (error)
return error;
@ -530,11 +535,11 @@ bp_getfile(struct sockaddr_in *bpsin, char *key,
pathname[path_len] = '\0';
goto out;
bad:
bad:
printf("nfs_boot: bootparam_getfile: bad reply\n");
error = EBADRPC;
out:
out:
m_freem(m);
return(0);
}
@ -572,9 +577,8 @@ md_mount(mdsin, path, fhp)
/* Do RPC to mountd. */
error = krpc_call((struct sockaddr *)mdsin,
RPCPROG_MNT, RPCMNT_VER1,
RPCMNT_MOUNT, &m);
if (error)
RPCPROG_MNT, RPCMNT_VER1, RPCMNT_MOUNT, &m);
if (error)
return error; /* message already freed */
mlen = m->m_len;
@ -588,14 +592,13 @@ md_mount(mdsin, path, fhp)
/* Set port number for NFS use. */
error = krpc_portmap((struct sockaddr *)mdsin,
NFS_PROG, NFS_VER2,
&mdsin->sin_port);
NFS_PROG, NFS_VER2, &mdsin->sin_port);
goto out;
bad:
bad:
error = EBADRPC;
out:
out:
m_freem(m);
return error;
}