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
35 static const char copyright[] =
36 "@(#) Copyright (c) 1985, 1993\n\
37 The Regents of the University of California. All rights reserved.\n";
42 static char sccsid[] = "@(#)timedc.c 8.1 (Berkeley) 6/6/93";
44 static const char rcsid[] =
63 char *margv[MAX_MARGV];
66 static struct cmd *getcmd __P((char *));
73 register struct cmd *c;
75 openlog("timedc", LOG_ODELAY, LOG_AUTH);
80 if (priv_resources() < 0)
81 errx(1, "could not get privileged resources");
82 (void) setuid(getuid());
86 if (c == (struct cmd *)-1) {
87 printf("?Ambiguous command\n");
91 printf("?Invalid command\n");
94 if (c->c_priv && getuid()) {
95 printf("?Privileged command\n");
98 (*c->c_handler)(argc, argv);
102 fromatty = isatty(fileno(stdin));
103 if (setjmp(toplevel))
105 (void) signal(SIGINT, intr);
109 (void) fflush(stdout);
111 if (fgets(cmdline, sizeof(cmdline), stdin) == 0)
118 c = getcmd(margv[0]);
119 if (c == (struct cmd *)-1) {
120 printf("?Ambiguous command\n");
124 printf("?Invalid command\n");
127 if (c->c_priv && getuid()) {
128 printf("?Privileged command\n");
131 (*c->c_handler)(margc, margv);
142 longjmp(toplevel, 1);
150 register char *p, *q;
151 register struct cmd *c, *found;
152 register int nmatches, longest;
158 for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
160 for (q = name; *q == *p++; q++)
161 if (*q == 0) /* exact match? */
163 if (!*q) { /* the name was a prefix */
164 if (q - name > longest) {
168 } else if (q - name == longest)
173 return((struct cmd *)-1);
178 * Slice a string up into argc/argv.
184 register char **argp = margv;
187 for (cp = cmdline; margc < MAX_MARGV - 1 && *cp; ) {
194 while (*cp != '\0' && !isspace(*cp))
203 #define HELPINDENT (sizeof ("directory"))
213 register struct cmd *c;
216 register int i, j, w;
217 int columns, width = 0, lines;
220 printf("Commands may be abbreviated. Commands are:\n\n");
221 for (c = cmdtab; c < &cmdtab[NCMDS]; c++) {
222 int len = strlen(c->c_name);
227 width = (width + 8) &~ 7;
228 columns = 80 / width;
231 lines = (NCMDS + columns - 1) / columns;
232 for (i = 0; i < lines; i++) {
233 for (j = 0; j < columns; j++) {
234 c = cmdtab + j * lines + i;
235 printf("%s", c->c_name);
236 if (c + lines >= &cmdtab[NCMDS]) {
240 w = strlen(c->c_name);
253 if (c == (struct cmd *)-1)
254 printf("?Ambiguous help command %s\n", arg);
255 else if (c == (struct cmd *)0)
256 printf("?Invalid help command %s\n", arg);
258 printf("%-*s\t%s\n", (int)HELPINDENT,
259 c->c_name, c->c_help);