#include <sys/types.h>
#include <sys/file.h>
#include <sys/socket.h>
#include <sys/socketvar.h>
#include <netdb.h>
#include <rpc/rpc.h>
#include <rpc/pmap_clnt.h>
#include <rpc/pmap_prot.h>
#include <nfs/rpcv2.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "showmount.h"
struct mountlist *mntdump;
struct exportslist *exports;
int type = 0;
int rpcs = 0, mntvers = 1;
void print_dump(struct mountlist *);
void usage(void);
int xdr_mntdump(XDR *, struct mountlist **);
int xdr_exports(XDR *, struct exportslist **);
void do_print(char *host);
extern void browse();
int
main(argc, argv)
int argc;
char **argv;
{
char ch, *host;
int do_browse = 0;
while ((ch = getopt(argc, argv, "Aade3")) != EOF)
switch((char)ch) {
case 'A': do_browse = 1; break;
case 'a':
if (type == 0) {
type = ALL;
rpcs |= DODUMP;
} else
usage();
break;
case 'd':
if (type == 0) {
type = DIRS;
rpcs |= DODUMP;
} else
usage();
break;
case 'e':
rpcs |= DOEXPORTS;
break;
case '3':
mntvers = 3;
break;
case '?':
default:
usage();
}
argc -= optind;
argv += optind;
if( do_browse ) {
browse();
exit(0);
}
if (argc > 0)
host = *argv;
else
host = "localhost";
do_print(host);
exit(0);
}
int
xdr_mntdump(xdrsp, mlp)
XDR *xdrsp;
struct mountlist **mlp;
{
struct mountlist *mp, **otp, *tp;
int bool, val, val2;
char *strp;
*mlp = (struct mountlist *)0;
if (!xdr_bool(xdrsp, &bool))
return (0);
while (bool) {
mp = (struct mountlist *)malloc(sizeof(struct mountlist));
if (mp == NULL)
return (0);
mp->ml_left = mp->ml_right = (struct mountlist *)0;
strp = mp->ml_host;
if (!xdr_string(xdrsp, &strp, RPCMNT_NAMELEN))
return (0);
strp = mp->ml_dirp;
if (!xdr_string(xdrsp, &strp, RPCMNT_PATHLEN))
return (0);
if (*mlp == NULL) {
*mlp = mp;
} else {
tp = *mlp;
while (tp) {
val = strcmp(mp->ml_host, tp->ml_host);
val2 = strcmp(mp->ml_dirp, tp->ml_dirp);
switch (type) {
case ALL:
if (val == 0) {
if (val2 == 0) {
free((caddr_t)mp);
goto next;
}
val = val2;
}
break;
case DIRS:
if (val2 == 0) {
free((caddr_t)mp);
goto next;
}
val = val2;
break;
default:
if (val == 0) {
free((caddr_t)mp);
goto next;
}
break;
};
if (val < 0) {
otp = &tp->ml_left;
tp = tp->ml_left;
} else {
otp = &tp->ml_right;
tp = tp->ml_right;
}
}
*otp = mp;
}
next:
if (!xdr_bool(xdrsp, &bool))
return (0);
}
return (1);
}
int
xdr_exports(xdrsp, exp)
XDR *xdrsp;
struct exportslist **exp;
{
struct exportslist *ep;
struct grouplist *gp;
int bool, grpbool;
char *strp;
*exp = (struct exportslist *)0;
if (!xdr_bool(xdrsp, &bool))
return (0);
while (bool) {
ep = (struct exportslist *)malloc(sizeof(struct exportslist));
if (ep == NULL)
return (0);
ep->ex_groups = (struct grouplist *)0;
strp = ep->ex_dirp;
if (!xdr_string(xdrsp, &strp, RPCMNT_PATHLEN))
return (0);
if (!xdr_bool(xdrsp, &grpbool))
return (0);
while (grpbool) {
gp = (struct grouplist *)malloc(sizeof(struct grouplist));
if (gp == NULL)
return (0);
strp = gp->gr_name;
if (!xdr_string(xdrsp, &strp, RPCMNT_NAMELEN))
return (0);
gp->gr_next = ep->ex_groups;
ep->ex_groups = gp;
if (!xdr_bool(xdrsp, &grpbool))
return (0);
}
ep->ex_next = *exp;
*exp = ep;
if (!xdr_bool(xdrsp, &bool))
return (0);
}
return (1);
}
void
usage()
{
fprintf(stderr, "usage: showmount [-ade] host\n");
exit(1);
}
void
print_dump(mp)
struct mountlist *mp;
{
if (mp == NULL)
return;
if (mp->ml_left)
print_dump(mp->ml_left);
switch (type) {
case ALL:
printf("%s:%s\n", mp->ml_host, mp->ml_dirp);
break;
case DIRS:
printf("%s\n", mp->ml_dirp);
break;
default:
printf("%s\n", mp->ml_host);
break;
};
if (mp->ml_right)
print_dump(mp->ml_right);
}
void do_print(char *host)
{
struct exportslist *exp;
struct grouplist *grp;
int estat;
if (rpcs == 0)
rpcs = DODUMP;
if (rpcs & DODUMP)
if ((estat = callrpc(host, RPCPROG_MNT, mntvers,
RPCMNT_DUMP, xdr_void, (char *)0,
xdr_mntdump, (char *)&mntdump)) != 0) {
clnt_perrno(estat);
fprintf(stderr, ": Can't do Mountdump rpc\n");
exit(1);
}
if (rpcs & DOEXPORTS)
if ((estat = callrpc(host, RPCPROG_MNT, mntvers,
RPCMNT_EXPORT, xdr_void, (char *)0,
xdr_exports, (char *)&exports)) != 0) {
clnt_perrno(estat);
fprintf(stderr, ": Can't do Exports rpc\n");
exit(1);
}
if (rpcs & DODUMP) {
switch (type) {
case ALL:
printf("All mount points on %s:\n", host);
break;
case DIRS:
printf("Directories on %s:\n", host);
break;
default:
printf("Hosts on %s:\n", host);
break;
};
print_dump(mntdump);
}
if (rpcs & DOEXPORTS) {
printf("Exports list on %s:\n", host);
exp = exports;
while (exp) {
printf("%-35s", exp->ex_dirp);
grp = exp->ex_groups;
if (grp == NULL) {
printf(" Everyone\n"); } else {
while (grp) {
printf("%s ", grp->gr_name);
grp = grp->gr_next;
}
printf("\n");
}
exp = exp->ex_next;
}
}
}