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BSD 4_3_Net_2 release
[unix-history] / usr / src / usr.sbin / amd / amq / amq.c
/*
* Copyright (c) 1990 Jan-Simon Pendry
* Copyright (c) 1990 Imperial College of Science, Technology & Medicine
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Jan-Simon Pendry at Imperial College, London.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* 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, Berkeley 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.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* @(#)amq.c 5.3 (Berkeley) 5/12/91
*
* $Id: amq.c,v 5.2.1.5 91/05/07 22:18:45 jsp Alpha $
*
*/
/*
* Automounter query tool
*/
#ifndef lint
char copyright[] = "\
@(#)Copyright (c) 1990 Jan-Simon Pendry\n\
@(#)Copyright (c) 1990 Imperial College of Science, Technology & Medicine\n\
@(#)Copyright (c) 1990 The Regents of the University of California.\n\
@(#)All rights reserved.\n";
#endif /* not lint */
#ifndef lint
static char rcsid[] = "$Id: amq.c,v 5.2.1.5 91/05/07 22:18:45 jsp Alpha $";
static char sccsid[] = "@(#)amq.c 5.3 (Berkeley) 5/12/91";
#endif /* not lint */
#include "am.h"
#include "amq.h"
#include <stdio.h>
#include <fcntl.h>
#include <netdb.h>
static int privsock();
char *progname;
static int flush_flag;
static int minfo_flag;
static int unmount_flag;
static int stats_flag;
static int getvers_flag;
static char *debug_opts;
static char *logfile;
static char *mount_map;
static char *xlog_optstr;
static char localhost[] = "localhost";
static char *def_server = localhost;
extern int optind;
extern char *optarg;
static struct timeval tmo = { 10, 0 };
#define TIMEOUT tmo
enum show_opt { Full, Stats, Calc, Short, ShowDone };
/*
* If (e) is Calc then just calculate the sizes
* Otherwise display the mount node on stdout
*/
static void show_mti(mt, e, mwid, dwid, twid)
amq_mount_tree *mt;
enum show_opt e;
int *mwid;
int *dwid;
int *twid;
{
switch (e) {
case Calc: {
int mw = strlen(mt->mt_mountinfo);
int dw = strlen(mt->mt_directory);
int tw = strlen(mt->mt_type);
if (mw > *mwid) *mwid = mw;
if (dw > *dwid) *dwid = dw;
if (tw > *twid) *twid = tw;
} break;
case Full: {
struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
printf("%-*.*s %-*.*s %-*.*s %s\n\t%-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
*dwid, *dwid,
*mt->mt_directory ? mt->mt_directory : "/", /* XXX */
*twid, *twid,
mt->mt_type,
*mwid, *mwid,
mt->mt_mountinfo,
mt->mt_mountpoint,
mt->mt_mountuid,
mt->mt_getattr,
mt->mt_lookup,
mt->mt_readdir,
mt->mt_readlink,
mt->mt_statfs,
tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
tp->tm_mon+1, tp->tm_mday,
tp->tm_hour, tp->tm_min, tp->tm_sec);
} break;
case Stats: {
struct tm *tp = localtime((time_t *) &mt->mt_mounttime);
printf("%-*.*s %-5d %-7d %-6d %-7d %-7d %-6d %02d/%02d/%02d %02d:%02d:%02d\n",
*dwid, *dwid,
*mt->mt_directory ? mt->mt_directory : "/", /* XXX */
mt->mt_mountuid,
mt->mt_getattr,
mt->mt_lookup,
mt->mt_readdir,
mt->mt_readlink,
mt->mt_statfs,
tp->tm_year > 99 ? tp->tm_year - 100 : tp->tm_year,
tp->tm_mon+1, tp->tm_mday,
tp->tm_hour, tp->tm_min, tp->tm_sec);
} break;
case Short: {
printf("%-*.*s %-*.*s %-*.*s %s\n",
*dwid, *dwid,
*mt->mt_directory ? mt->mt_directory : "/",
*twid, *twid,
mt->mt_type,
*mwid, *mwid,
mt->mt_mountinfo,
mt->mt_mountpoint);
} break;
}
}
/*
* Display a mount tree.
*/
static void show_mt(mt, e, mwid, dwid, pwid)
amq_mount_tree *mt;
enum show_opt e;
int *mwid;
int *dwid;
int *pwid;
{
while (mt) {
show_mti(mt, e, mwid, dwid, pwid);
show_mt(mt->mt_next, e, mwid, dwid, pwid);
mt = mt->mt_child;
}
}
static void show_mi(ml, e, mwid, dwid, twid)
amq_mount_info_list *ml;
enum show_opt e;
int *mwid;
int *dwid;
int *twid;
{
int i;
switch (e) {
case Calc: {
for (i = 0; i < ml->amq_mount_info_list_len; i++) {
amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
int mw = strlen(mi->mi_mountinfo);
int dw = strlen(mi->mi_mountpt);
int tw = strlen(mi->mi_type);
if (mw > *mwid) *mwid = mw;
if (dw > *dwid) *dwid = dw;
if (tw > *twid) *twid = tw;
}
} break;
case Full: {
for (i = 0; i < ml->amq_mount_info_list_len; i++) {
amq_mount_info *mi = &ml->amq_mount_info_list_val[i];
printf("%-*.*s %-*.*s %-*.*s %-3d %s is %s",
*mwid, *mwid, mi->mi_mountinfo,
*dwid, *dwid, mi->mi_mountpt,
*twid, *twid, mi->mi_type,
mi->mi_refc, mi->mi_fserver,
mi->mi_up > 0 ? "up" :
mi->mi_up < 0 ? "starting" : "down");
if (mi->mi_error > 0) {
extern char *sys_errlist[];
extern int sys_nerr;
if (mi->mi_error < sys_nerr)
printf(" (%s)", sys_errlist[mi->mi_error]);
else
printf(" (Error %d)", mi->mi_error);
} else if (mi->mi_error < 0) {
fputs(" (in progress)", stdout);
}
fputc('\n', stdout);
}
} break;
}
}
/*
* Display general mount statistics
*/
static void show_ms(ms)
amq_mount_stats *ms;
{
printf("\
requests stale mount mount unmount\n\
deferred fhandles ok failed failed\n\
%-9d %-9d %-9d %-9d %-9d\n",
ms->as_drops, ms->as_stale, ms->as_mok, ms->as_merr, ms->as_uerr);
}
static bool_t
xdr_pri_free(xdr_args, args_ptr)
xdrproc_t xdr_args;
caddr_t args_ptr;
{
XDR xdr;
xdr.x_op = XDR_FREE;
return ((*xdr_args)(&xdr, args_ptr));
}
#ifdef hpux
#include <cluster.h>
static char *cluster_server()
{
struct cct_entry *cp;
if (cnodeid() == 0) {
/*
* Not clustered
*/
return def_server;
}
while (cp = getccent())
if (cp->cnode_type == 'r')
return cp->cnode_name;
return def_server;
}
#endif /* hpux */
/*
* MAIN
*/
main(argc, argv)
int argc;
char *argv[];
{
int opt_ch;
int errs = 0;
char *server;
struct sockaddr_in server_addr;
/* In order to pass the Amd security check, we must use a priv port. */
int s;
CLIENT *clnt;
struct hostent *hp;
int nodefault = 0;
/*
* Compute program name
*/
if (argv[0]) {
progname = strrchr(argv[0], '/');
if (progname && progname[1])
progname++;
else
progname = argv[0];
}
if (!progname)
progname = "amq";
/*
* Parse arguments
*/
while ((opt_ch = getopt(argc, argv, "fh:l:msuvx:D:M:")) != EOF)
switch (opt_ch) {
case 'f':
flush_flag = 1;
nodefault = 1;
break;
case 'h':
def_server = optarg;
break;
case 'l':
logfile = optarg;
nodefault = 1;
break;
case 'm':
minfo_flag = 1;
nodefault = 1;
break;
case 's':
stats_flag = 1;
nodefault = 1;
break;
case 'u':
unmount_flag = 1;
nodefault = 1;
break;
case 'v':
getvers_flag = 1;
nodefault = 1;
break;
case 'x':
xlog_optstr = optarg;
nodefault = 1;
break;
case 'D':
debug_opts = optarg;
nodefault = 1;
break;
case 'M':
mount_map = optarg;
nodefault = 1;
break;
default:
errs = 1;
break;
}
if (optind == argc) {
if (unmount_flag)
errs = 1;
}
if (errs) {
show_usage:
fprintf(stderr, "\
Usage: %s [-h host] [[-f] [-m] [-v] [-s]] | [[-u] directory ...]] |\n\
\t[-l logfile|\"syslog\"] [-x log_flags] [-D dbg_opts] [-M mapent]\n", progname);
exit(1);
}
#ifdef hpux
/*
* Figure out root server of cluster
*/
if (def_server == localhost)
server = cluster_server();
else
#endif /* hpux */
server = def_server;
/*
* Get address of server
*/
if ((hp = gethostbyname(server)) == 0 && strcmp(server, localhost) != 0) {
fprintf(stderr, "%s: Can't get address of %s\n", progname, server);
exit(1);
}
bzero(&server_addr, sizeof server_addr);
server_addr.sin_family = AF_INET;
if (hp) {
bcopy((voidp) hp->h_addr, (voidp) &server_addr.sin_addr,
sizeof(server_addr.sin_addr));
} else {
/* fake "localhost" */
server_addr.sin_addr.s_addr = htonl(0x7f000001);
}
/*
* Create RPC endpoint
*/
s = privsock();
clnt = clntudp_create(&server_addr, AMQ_PROGRAM, AMQ_VERSION, TIMEOUT, &s);
if (clnt == 0) {
fprintf(stderr, "%s: ", progname);
clnt_pcreateerror(server);
exit(1);
}
/*
* Control debugging
*/
if (debug_opts) {
int *rc;
amq_setopt opt;
opt.as_opt = AMOPT_DEBUG;
opt.as_str = debug_opts;
rc = amqproc_setopt_1(&opt, clnt);
if (rc && *rc < 0) {
fprintf(stderr, "%s: daemon not compiled for debug", progname);
errs = 1;
} else if (!rc || *rc > 0) {
fprintf(stderr, "%s: debug setting for \"%s\" failed\n", progname, debug_opts);
errs = 1;
}
}
/*
* Control logging
*/
if (xlog_optstr) {
int *rc;
amq_setopt opt;
opt.as_opt = AMOPT_XLOG;
opt.as_str = xlog_optstr;
rc = amqproc_setopt_1(&opt, clnt);
if (!rc || *rc) {
fprintf(stderr, "%s: setting log level to \"%s\" failed\n", progname, xlog_optstr);
errs = 1;
}
}
/*
* Control log file
*/
if (logfile) {
int *rc;
amq_setopt opt;
opt.as_opt = AMOPT_LOGFILE;
opt.as_str = logfile;
rc = amqproc_setopt_1(&opt, clnt);
if (!rc || *rc) {
fprintf(stderr, "%s: setting logfile to \"%s\" failed\n", progname, logfile);
errs = 1;
}
}
/*
* Flush map cache
*/
if (flush_flag) {
int *rc;
amq_setopt opt;
opt.as_opt = AMOPT_FLUSHMAPC;
opt.as_str = "";
rc = amqproc_setopt_1(&opt, clnt);
if (!rc || *rc) {
fprintf(stderr, "%s: amd on %s cannot flush the map cache\n", progname, server);
errs = 1;
}
}
/*
* Mount info
*/
if (minfo_flag) {
int dummy;
amq_mount_info_list *ml = amqproc_getmntfs_1(&dummy, clnt);
if (ml) {
int mwid = 0, dwid = 0, twid = 0;
show_mi(ml, Calc, &mwid, &dwid, &twid);
mwid++; dwid++; twid++;
show_mi(ml, Full, &mwid, &dwid, &twid);
} else {
fprintf(stderr, "%s: amd on %s cannot provide mount info\n", progname, server);
}
}
/*
* Mount map
*/
if (mount_map) {
int *rc;
do {
rc = amqproc_mount_1(&mount_map, clnt);
} while (rc && *rc < 0);
if (!rc || *rc > 0) {
if (rc)
errno = *rc;
else
errno = ETIMEDOUT;
fprintf(stderr, "%s: could not start new ", progname);
perror("autmount point");
}
}
/*
* Get Version
*/
if (getvers_flag) {
amq_string *spp = amqproc_getvers_1((voidp) 0, clnt);
if (spp && *spp) {
printf("%s.\n", *spp);
free(*spp);
} else {
fprintf(stderr, "%s: failed to get version information\n", progname);
errs = 1;
}
}
/*
* Apply required operation to all remaining arguments
*/
if (optind < argc) {
do {
char *fs = argv[optind++];
if (unmount_flag) {
/*
* Unmount request
*/
amqproc_umnt_1(&fs, clnt);
} else {
/*
* Stats request
*/
amq_mount_tree_p *mtp = amqproc_mnttree_1(&fs, clnt);
if (mtp) {
amq_mount_tree *mt = *mtp;
if (mt) {
int mwid = 0, dwid = 0, twid = 0;
show_mt(mt, Calc, &mwid, &dwid, &twid);
mwid++; dwid++, twid++;
printf("%-*.*s Uid Getattr Lookup RdDir RdLnk Statfs Mounted@\n",
dwid, dwid, "What");
show_mt(mt, Stats, &mwid, &dwid, &twid);
} else {
fprintf(stderr, "%s: %s not automounted\n", progname, fs);
}
xdr_pri_free(xdr_amq_mount_tree_p, (caddr_t) mtp);
} else {
fprintf(stderr, "%s: ", progname);
clnt_perror(clnt, server);
errs = 1;
}
}
} while (optind < argc);
} else if (unmount_flag) {
goto show_usage;
} else if (stats_flag) {
amq_mount_stats *ms = amqproc_stats_1((voidp) 0, clnt);
if (ms) {
show_ms(ms);
} else {
fprintf(stderr, "%s: ", progname);
clnt_perror(clnt, server);
errs = 1;
}
} else if (!nodefault) {
amq_mount_tree_list *mlp = amqproc_export_1((voidp) 0, clnt);
if (mlp) {
enum show_opt e = Calc;
int mwid = 0, dwid = 0, pwid = 0;
while (e != ShowDone) {
int i;
for (i = 0; i < mlp->amq_mount_tree_list_len; i++) {
show_mt(mlp->amq_mount_tree_list_val[i],
e, &mwid, &dwid, &pwid);
}
mwid++; dwid++, pwid++;
if (e == Calc) e = Short;
else if (e == Short) e = ShowDone;
}
} else {
fprintf(stderr, "%s: ", progname);
clnt_perror(clnt, server);
errs = 1;
}
}
exit(errs);
}
/*
* udpresport creates a datagram socket and attempts to bind it to a
* secure port.
* returns: The bound socket, or -1 to indicate an error.
*/
static int udpresport()
{
int alport;
struct sockaddr_in addr;
int sock;
/* Use internet address family */
addr.sin_family = AF_INET;
addr.sin_addr.s_addr = INADDR_ANY;
if ((sock = socket(AF_INET, SOCK_DGRAM, IPPROTO_UDP)) < 0)
return -1;
for (alport = IPPORT_RESERVED-1; alport > IPPORT_RESERVED/2 + 1; alport--) {
addr.sin_port = htons((u_short)alport);
if (bind(sock, (struct sockaddr *)&addr, sizeof (addr)) >= 0)
return sock;
if (errno != EADDRINUSE) {
close(sock);
return -1;
}
}
close(sock);
errno = EAGAIN;
return -1;
}
/*
* Privsock() calls udpresport() to attempt to bind a socket to a secure
* port. If udpresport() fails, privsock returns a magic socket number which
* indicates to RPC that it should make its own socket.
* returns: A privileged socket # or RPC_ANYSOCK.
*/
static int privsock()
{
int sock = udpresport();
if (sock < 0) {
errno = 0;
/* Couldn't get a secure port, let RPC make an insecure one */
sock = RPC_ANYSOCK;
}
return sock;
}
#ifdef DEBUG
xfree(f, l, p)
char *f, *l;
voidp p;
{
free(p);
}
#endif /* DEBUG */
Continuous source code history from original PDP-7 UNIX to FreeBSD 2, the first fully unencumbered FreeBSD release.