| 1 |  |  | /*	$OpenBSD: main.c,v 1.31 2017/01/03 21:31:16 tedu Exp $	*/ | 
    
    | 2 |  |  |  | 
    
    | 3 |  |  | /*- | 
    
    | 4 |  |  |  * Copyright (c) 1990, 1993 | 
    
    | 5 |  |  |  *	The Regents of the University of California.  All rights reserved. | 
    
    | 6 |  |  |  * | 
    
    | 7 |  |  |  * Redistribution and use in source and binary forms, with or without | 
    
    | 8 |  |  |  * modification, are permitted provided that the following conditions | 
    
    | 9 |  |  |  * are met: | 
    
    | 10 |  |  |  * 1. Redistributions of source code must retain the above copyright | 
    
    | 11 |  |  |  *    notice, this list of conditions and the following disclaimer. | 
    
    | 12 |  |  |  * 2. Redistributions in binary form must reproduce the above copyright | 
    
    | 13 |  |  |  *    notice, this list of conditions and the following disclaimer in the | 
    
    | 14 |  |  |  *    documentation and/or other materials provided with the distribution. | 
    
    | 15 |  |  |  * 3. Neither the name of the University nor the names of its contributors | 
    
    | 16 |  |  |  *    may be used to endorse or promote products derived from this software | 
    
    | 17 |  |  |  *    without specific prior written permission. | 
    
    | 18 |  |  |  * | 
    
    | 19 |  |  |  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND | 
    
    | 20 |  |  |  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE | 
    
    | 21 |  |  |  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE | 
    
    | 22 |  |  |  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE | 
    
    | 23 |  |  |  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL | 
    
    | 24 |  |  |  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS | 
    
    | 25 |  |  |  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) | 
    
    | 26 |  |  |  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT | 
    
    | 27 |  |  |  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY | 
    
    | 28 |  |  |  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | 
    
    | 29 |  |  |  * SUCH DAMAGE. | 
    
    | 30 |  |  |  */ | 
    
    | 31 |  |  |  | 
    
    | 32 |  |  | #include <sys/types.h> | 
    
    | 33 |  |  | #include <sys/stat.h> | 
    
    | 34 |  |  |  | 
    
    | 35 |  |  | #include <err.h> | 
    
    | 36 |  |  | #include <errno.h> | 
    
    | 37 |  |  | #include <fcntl.h> | 
    
    | 38 |  |  | #include <fts.h> | 
    
    | 39 |  |  | #include <signal.h> | 
    
    | 40 |  |  | #include <stdio.h> | 
    
    | 41 |  |  | #include <stdlib.h> | 
    
    | 42 |  |  | #include <string.h> | 
    
    | 43 |  |  | #include <time.h> | 
    
    | 44 |  |  | #include <unistd.h> | 
    
    | 45 |  |  |  | 
    
    | 46 |  |  | #include "find.h" | 
    
    | 47 |  |  |  | 
    
    | 48 |  |  | time_t now;			/* time find was run */ | 
    
    | 49 |  |  | int dotfd;			/* starting directory; may be -1 */ | 
    
    | 50 |  |  | int ftsoptions;			/* options for the fts_open(3) call */ | 
    
    | 51 |  |  | int isdelete;			/* user specified -delete operator */ | 
    
    | 52 |  |  | int isdepth;			/* do directories on post-order visit */ | 
    
    | 53 |  |  | int isoutput;			/* user specified output operator */ | 
    
    | 54 |  |  | int isxargs;			/* don't permit xargs delimiting chars */ | 
    
    | 55 |  |  |  | 
    
    | 56 |  |  | __dead static void usage(void); | 
    
    | 57 |  |  |  | 
    
    | 58 |  |  | int | 
    
    | 59 |  |  | main(int argc, char *argv[]) | 
    
    | 60 |  |  | { | 
    
    | 61 |  | 40 | 	struct sigaction sa; | 
    
    | 62 |  |  | 	char **p, **paths, **paths2; | 
    
    | 63 |  |  | 	int ch; | 
    
    | 64 |  |  |  | 
    
    | 65 |  | 20 | 	memset(&sa, 0, sizeof sa); | 
    
    | 66 |  | 20 | 	sa.sa_handler = show_path; | 
    
    | 67 |  | 20 | 	sa.sa_flags = SA_RESTART; | 
    
    | 68 |  |  |  | 
    
    | 69 |  | 20 | 	(void)time(&now);	/* initialize the time-of-day */ | 
    
    | 70 |  |  |  | 
    
    | 71 |  | 20 | 	p = paths = ereallocarray(NULL, argc, sizeof(char *)); | 
    
    | 72 |  |  |  | 
    
    | 73 |  | 20 | 	sigaction(SIGINFO, &sa, NULL); | 
    
    | 74 |  |  |  | 
    
    | 75 |  | 20 | 	ftsoptions = FTS_NOSTAT|FTS_PHYSICAL; | 
    
    | 76 | ✗✓ | 40 | 	while ((ch = getopt(argc, argv, "Hdf:hLXx")) != -1) | 
    
    | 77 |  |  | 		switch(ch) { | 
    
    | 78 |  |  | 		case 'H': | 
    
    | 79 |  |  | 			ftsoptions |= FTS_COMFOLLOW; | 
    
    | 80 |  |  | 			ftsoptions |= FTS_PHYSICAL; | 
    
    | 81 |  |  | 			ftsoptions &= ~FTS_LOGICAL; | 
    
    | 82 |  |  | 			break; | 
    
    | 83 |  |  | 		case 'd': | 
    
    | 84 |  |  | 			isdepth = 1; | 
    
    | 85 |  |  | 			break; | 
    
    | 86 |  |  | 		case 'f': | 
    
    | 87 |  |  | 			*p++ = optarg; | 
    
    | 88 |  |  | 			break; | 
    
    | 89 |  |  | 		case 'h': | 
    
    | 90 |  |  | 		case 'L': | 
    
    | 91 |  |  | 			ftsoptions &= ~FTS_COMFOLLOW; | 
    
    | 92 |  |  | 			ftsoptions &= ~FTS_PHYSICAL; | 
    
    | 93 |  |  | 			ftsoptions |= FTS_LOGICAL; | 
    
    | 94 |  |  | 			break; | 
    
    | 95 |  |  | 		case 'X': | 
    
    | 96 |  |  | 			isxargs = 1; | 
    
    | 97 |  |  | 			break; | 
    
    | 98 |  |  | 		case 'x': | 
    
    | 99 |  |  | 			ftsoptions &= ~FTS_NOSTAT; | 
    
    | 100 |  |  | 			ftsoptions |= FTS_XDEV; | 
    
    | 101 |  |  | 			break; | 
    
    | 102 |  |  | 		case '?': | 
    
    | 103 |  |  | 		default: | 
    
    | 104 |  |  | 			usage(); | 
    
    | 105 |  |  | 		} | 
    
    | 106 |  |  |  | 
    
    | 107 |  | 20 | 	argc -= optind; | 
    
    | 108 |  | 20 | 	argv += optind; | 
    
    | 109 |  |  |  | 
    
    | 110 |  |  | 	/* The first argument that starts with a -, or is a ! or a (, and all | 
    
    | 111 |  |  | 	 * subsequent arguments shall be interpreted as an expression ... | 
    
    | 112 |  |  | 	 * (POSIX.2). | 
    
    | 113 |  |  | 	 */ | 
    
    | 114 | ✓✗ | 80 | 	while (*argv) { | 
    
    | 115 | ✓✓✗✗ 
 | 40 | 		if (**argv == '-' || | 
    
    | 116 | ✓✗✗✓ 
 | 40 | 		    ((**argv == '!' || **argv == '(') && (*argv)[1] == '\0')) | 
    
    | 117 |  |  | 			break; | 
    
    | 118 |  | 20 | 		*p++ = *argv++; | 
    
    | 119 |  |  | 	} | 
    
    | 120 |  |  |  | 
    
    | 121 | ✗✓ | 20 | 	if (p == paths) | 
    
    | 122 |  |  | 		usage(); | 
    
    | 123 |  | 20 | 	*p = NULL; | 
    
    | 124 |  |  |  | 
    
    | 125 | ✗✓ | 20 | 	if (!(paths2 = reallocarray(paths, p - paths + 1, sizeof(char *)))) | 
    
    | 126 |  |  | 		err(1, NULL); | 
    
    | 127 |  |  | 	paths = paths2; | 
    
    | 128 |  |  |  | 
    
    | 129 |  |  | 	dotfd = open(".", O_RDONLY, 0); | 
    
    | 130 |  |  |  | 
    
    | 131 |  |  | 	exit(find_execute(find_formplan(argv), paths)); | 
    
    | 132 |  |  | } | 
    
    | 133 |  |  |  | 
    
    | 134 |  |  | static void | 
    
    | 135 |  |  | usage(void) | 
    
    | 136 |  |  | { | 
    
    | 137 |  |  | 	(void)fprintf(stderr, | 
    
    | 138 |  |  | 	    "usage: find [-dHhLXx] [-f path] path ... [expression]\n"); | 
    
    | 139 |  |  | 	exit(1); | 
    
    | 140 |  |  | } |