2 * Copyright (c) 1985, 1993
3 * The Regents of the University of California. All rights reserved.
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by the University of
16 * California, Berkeley and its contributors.
17 * 4. Neither the name of the University nor the names of its contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
21 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * @(#) Copyright (c) 1985, 1993 The Regents of the University of California. All rights reserved.
34 * @(#)timedc.c 8.1 (Berkeley) 6/6/93
35 * $FreeBSD: src/usr.sbin/timed/timedc/timedc.c,v 1.3 1999/08/28 01:20:21 peter Exp $
36 * $DragonFly: src/usr.sbin/timed/timedc/timedc.c,v 1.2 2003/06/17 04:30:03 dillon Exp $
56 static struct cmd *getcmd __P((char *));
63 register struct cmd *c;
65 openlog("timedc", LOG_ODELAY, LOG_AUTH);
70 if (priv_resources() < 0)
71 errx(1, "could not get privileged resources");
72 (void) setuid(getuid());
76 if (c == (struct cmd *)-1) {
77 printf("?Ambiguous command\n");
81 printf("?Invalid command\n");
84 if (c->c_priv && getuid()) {
85 printf("?Privileged command\n");
88 (*c->c_handler)(argc, argv);
92 fromatty = isatty(fileno(stdin));
95 (void) signal(SIGINT, intr);
99 (void) fflush(stdout);
101 if (fgets(cmdline, sizeof(cmdline), stdin) == 0)
108 c = getcmd(margv[0]);
109 if (c == (struct cmd *)-1) {
110 printf("?Ambiguous command\n");
114 printf("?Invalid command\n");
117 if (c->c_priv && getuid()) {
118 printf("?Privileged command\n");
121 (*c->c_handler)(margc, margv);
132 longjmp(toplevel, 1);
140 register char *p, *q;
141 register struct cmd *c, *found;
142 register int nmatches, longest;
148 for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
150 for (q = name; *q == *p++; q++)
151 if (*q == 0) /* exact match? */
153 if (!*q) { /* the name was a prefix */
154 if (q - name > longest) {
158 } else if (q - name == longest)
163 return((struct cmd *)-1);
168 * Slice a string up into argc/argv.
174 register char **argp = margv;
177 for (cp = cmdline; *cp;) {
184 while (*cp != '\0' && !isspace(*cp))
193 #define HELPINDENT (sizeof ("directory"))
203 register struct cmd *c;
206 register int i, j, w;
207 int columns, width = 0, lines;
210 printf("Commands may be abbreviated. Commands are:\n\n");
211 for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
212 int len = strlen(c->c_name);
217 width = (width + 8) &~ 7;
218 columns = 80 / width;
221 lines = (NCMDS + columns - 1) / columns;
222 for (i = 0; i < lines; i++) {
223 for (j = 0; j < columns; j++) {
224 c = cmdtab + j * lines + i;
225 printf("%s", c->c_name);
226 if (c + lines >= &cmdtab[NCMDS]) {
230 w = strlen(c->c_name);
243 if (c == (struct cmd *)-1)
244 printf("?Ambiguous help command %s\n", arg);
245 else if (c == (struct cmd *)0)
246 printf("?Invalid help command %s\n", arg);
248 printf("%-*s\t%s\n", (int)HELPINDENT,
249 c->c_name, c->c_help);