1/*-
2 * Copyright (c) 1990, 1993, 1994
3 *	The Regents of the University of California.  All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * Cimarron D. Taylor of the University of California, Berkeley.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 *    notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 * 4. Neither the name of the University nor the names of its contributors
17 *    may be used to endorse or promote products derived from this software
18 *    without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
30 * SUCH DAMAGE.
31 */
32
33#ifndef lint
34/*
35static char sccsid[] = "@(#)option.c	8.2 (Berkeley) 4/16/94";
36*/
37#endif /* not lint */
38
39#include <sys/cdefs.h>
40__FBSDID("$FreeBSD: src/usr.bin/find/option.c,v 1.32 2011/05/27 22:14:49 jilles Exp $");
41
42#include <sys/types.h>
43#include <sys/stat.h>
44
45#include <err.h>
46#include <fts.h>
47#include <regex.h>
48#include <stdio.h>
49#include <stdlib.h>
50#include <string.h>
51
52#include "find.h"
53
54static int typecompare(const void *, const void *);
55
56/* NB: the following table must be sorted lexically. */
57/* Options listed with C++ comments are in gnu find, but not our find */
58static OPTION const options[] = {
59	{ "!",		c_simple,	f_not,		0 },
60	{ "(",		c_simple,	f_openparen,	0 },
61	{ ")",		c_simple,	f_closeparen,	0 },
62	{ "-Bmin",	c_Xmin,		f_Xmin,		F_TIME_B },
63	{ "-Bnewer",	c_newer,	f_newer,	F_TIME_B },
64	{ "-Btime",	c_Xtime,	f_Xtime,	F_TIME_B },
65	{ "-a",		c_and,		NULL,		0 },
66	{ "-acl",	c_acl,		f_acl,		0 },
67	{ "-amin",	c_Xmin,		f_Xmin,		F_TIME_A },
68	{ "-and",	c_and,		NULL,		0 },
69	{ "-anewer",	c_newer,	f_newer,	F_TIME_A },
70	{ "-atime",	c_Xtime,	f_Xtime,	F_TIME_A },
71	{ "-cmin",	c_Xmin,		f_Xmin,		F_TIME_C },
72	{ "-cnewer",	c_newer,	f_newer,	F_TIME_C },
73	{ "-ctime",	c_Xtime,	f_Xtime,	F_TIME_C },
74	{ "-d",		c_depth,	f_depth,	0 },
75// -daystart
76	{ "-delete",	c_delete,	f_delete,	0 },
77	{ "-depth",	c_depth,	f_depth,	0 },
78	{ "-empty",	c_empty,	f_empty,	0 },
79	{ "-exec",	c_exec,		f_exec,		0 },
80	{ "-execdir",	c_exec,		f_exec,		F_EXECDIR },
81	{ "-false",	c_simple,	f_false,	0 },
82	{ "-flags",	c_flags,	f_flags,	0 },
83// -fls
84	{ "-follow",	c_follow,	f_always_true,	0 },
85// -fprint
86// -fprint0
87// -fprintf
88	{ "-fstype",	c_fstype,	f_fstype,	0 },
89	{ "-gid",	c_group,	f_group,	0 },
90	{ "-group",	c_group,	f_group,	0 },
91	{ "-ignore_readdir_race",c_simple, f_always_true,0 },
92	{ "-ilname",	c_name,		f_name,		F_LINK | F_IGNCASE },
93	{ "-iname",	c_name,		f_name,		F_IGNCASE },
94	{ "-inum",	c_inum,		f_inum,		0 },
95	{ "-ipath",	c_name,		f_path,		F_IGNCASE },
96	{ "-iregex",	c_regex,	f_regex,	F_IGNCASE },
97	{ "-iwholename",c_name,		f_path,		F_IGNCASE },
98	{ "-links",	c_links,	f_links,	0 },
99	{ "-lname",	c_name,		f_name,		F_LINK },
100	{ "-ls",	c_ls,		f_ls,		0 },
101	{ "-maxdepth",	c_mXXdepth,	f_always_true,	F_MAXDEPTH },
102	{ "-mindepth",	c_mXXdepth,	f_always_true,	0 },
103	{ "-mmin",	c_Xmin,		f_Xmin,		0 },
104	{ "-mnewer",	c_newer,	f_newer,	0 },
105	{ "-mount",	c_xdev,		f_always_true,	0 },
106	{ "-mtime",	c_Xtime,	f_Xtime,	0 },
107	{ "-name",	c_name,		f_name,		0 },
108	{ "-newer",	c_newer,	f_newer,	0 },
109	{ "-newerBB",	c_newer,	f_newer,	F_TIME_B | F_TIME2_B },
110	{ "-newerBa",	c_newer,	f_newer,	F_TIME_B | F_TIME2_A },
111	{ "-newerBc",	c_newer,	f_newer,	F_TIME_B | F_TIME2_C },
112	{ "-newerBm",	c_newer,	f_newer,	F_TIME_B },
113	{ "-newerBt",	c_newer,	f_newer,	F_TIME_B | F_TIME2_T },
114	{ "-neweraB",	c_newer,	f_newer,	F_TIME_A | F_TIME2_B },
115	{ "-neweraa",	c_newer,	f_newer,	F_TIME_A | F_TIME2_A },
116	{ "-newerac",	c_newer,	f_newer,	F_TIME_A | F_TIME2_C },
117	{ "-neweram",	c_newer,	f_newer,	F_TIME_A },
118	{ "-newerat",	c_newer,	f_newer,	F_TIME_A | F_TIME2_T },
119	{ "-newercB",	c_newer,	f_newer,	F_TIME_C | F_TIME2_B },
120	{ "-newerca",	c_newer,	f_newer,	F_TIME_C | F_TIME2_A },
121	{ "-newercc",	c_newer,	f_newer,	F_TIME_C | F_TIME2_C },
122	{ "-newercm",	c_newer,	f_newer,	F_TIME_C },
123	{ "-newerct",	c_newer,	f_newer,	F_TIME_C | F_TIME2_T },
124	{ "-newermB",	c_newer,	f_newer,	F_TIME2_B },
125	{ "-newerma",	c_newer,	f_newer,	F_TIME2_A },
126	{ "-newermc",	c_newer,	f_newer,	F_TIME2_C },
127	{ "-newermm",	c_newer,	f_newer,	0 },
128	{ "-newermt",	c_newer,	f_newer,	F_TIME2_T },
129	{ "-nogroup",	c_nogroup,	f_nogroup,	0 },
130	{ "-noignore_readdir_race",c_simple, f_always_true,0 },
131	{ "-noleaf",	c_simple,	f_always_true,	0 },
132	{ "-not",	c_simple,	f_not,		0 },
133	{ "-nouser",	c_nouser,	f_nouser,	0 },
134	{ "-o",		c_simple,	f_or,		0 },
135	{ "-ok",	c_exec,		f_exec,		F_NEEDOK },
136	{ "-okdir",	c_exec,		f_exec,		F_NEEDOK | F_EXECDIR },
137	{ "-or",	c_simple,	f_or,		0 },
138	{ "-path", 	c_name,		f_path,		0 },
139	{ "-perm",	c_perm,		f_perm,		0 },
140	{ "-print",	c_print,	f_print,	0 },
141	{ "-print0",	c_print,	f_print0,	0 },
142// -printf
143	{ "-prune",	c_simple,	f_prune,	0 },
144	{ "-quit",	c_simple,	f_quit,		0 },
145	{ "-regex",	c_regex,	f_regex,	0 },
146	{ "-samefile",	c_samefile,	f_inum,		0 },
147	{ "-size",	c_size,		f_size,		0 },
148	{ "-true",	c_simple,	f_always_true,	0 },
149	{ "-type",	c_type,		f_type,		0 },
150	{ "-uid",	c_user,		f_user,		0 },
151	{ "-user",	c_user,		f_user,		0 },
152	{ "-wholename",	c_name,		f_path,		0 },
153#ifdef __APPLE__
154	{ "-xattr",	c_simple,	f_xattr,	0 },
155	{ "-xattrname",	c_name,		f_xattrname,	0 },
156#endif /* __APPLE__ */
157	{ "-xdev",	c_xdev,		f_always_true,	0 },
158// -xtype
159};
160
161/*
162 * find_create --
163 *	create a node corresponding to a command line argument.
164 *
165 * TODO:
166 *	add create/process function pointers to node, so we can skip
167 *	this switch stuff.
168 */
169PLAN *
170find_create(char ***argvp)
171{
172	OPTION *p;
173	PLAN *new;
174	char **argv;
175
176	argv = *argvp;
177
178	if ((p = lookup_option(*argv)) == NULL)
179		errx(1, "%s: unknown primary or operator", *argv);
180	++argv;
181
182	new = (p->create)(p, &argv);
183	*argvp = argv;
184	return (new);
185}
186
187OPTION *
188lookup_option(const char *name)
189{
190	OPTION tmp;
191
192	tmp.name = name;
193	return ((OPTION *)bsearch(&tmp, options,
194	    sizeof(options)/sizeof(OPTION), sizeof(OPTION), typecompare));
195}
196
197static int
198typecompare(const void *a, const void *b)
199{
200	return (strcmp(((const OPTION *)a)->name, ((const OPTION *)b)->name));
201}
202