/* vi: set sw=4 ts=4: *//* * Mini find implementation for busybox * * * Copyright (C) 1999,2000 by Lineo, inc. and Erik Andersen * Copyright (C) 1999,2000,2001 by Erik Andersen <andersee@debian.org> * Reworked by David Douthitt <n9ubh@callsign.net> and *  Matt Kraai <kraai@alumni.carnegiemellon.edu>. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * */#include <stdio.h>#include <unistd.h>#include <dirent.h>#include <string.h>#include <stdlib.h>#include <fnmatch.h>#include <time.h>#include <ctype.h>#include "busybox.h"static char *pattern;#ifdef BB_FEATURE_FIND_TYPEstatic int type_mask = 0;#endif#ifdef BB_FEATURE_FIND_PERMstatic char perm_char = 0;static int perm_mask = 0;#endif#ifdef BB_FEATURE_FIND_MTIMEstatic char mtime_char;static int mtime_days;#endif#ifdef BB_FEATURE_FIND_NEWERtime_t newer_mtime;#endifstatic int fileAction(const char *fileName, struct stat *statbuf, void* junk){	if (pattern != NULL) {		const char *tmp = strrchr(fileName, '/');		if (tmp == NULL)			tmp = fileName;		else			tmp++;		if (!(fnmatch(pattern, tmp, FNM_PERIOD) == 0))			goto no_match;	}#ifdef BB_FEATURE_FIND_TYPE	if (type_mask != 0) {		if (!((statbuf->st_mode & S_IFMT) == type_mask))			goto no_match;	}#endif#ifdef BB_FEATURE_FIND_PERM	if (perm_mask != 0) {		if (!((isdigit(perm_char) && (statbuf->st_mode & 07777) == perm_mask) ||			 (perm_char == '-' && (statbuf->st_mode & perm_mask) == perm_mask) ||			 (perm_char == '+' && (statbuf->st_mode & perm_mask) != 0)))			goto no_match;	}#endif#ifdef BB_FEATURE_FIND_MTIME	if (mtime_days != 0) {		time_t file_age = time(NULL) - statbuf->st_mtime;		time_t mtime_secs = mtime_days * 24 * 60 * 60;		if (!((isdigit(mtime_char) && mtime_secs >= file_age &&						mtime_secs < file_age + 24 * 60 * 60) ||				(mtime_char == '+' && mtime_secs >= file_age) || 				(mtime_char == '-' && mtime_secs < file_age)))			goto no_match;	}#endif#ifdef BB_FEATURE_FIND_NEWER	if (newer_mtime != 0) {		time_t file_age = newer_mtime - statbuf->st_mtime;		if (file_age >= 0)			goto no_match;	}#endif	puts(fileName);no_match:	return (TRUE);}#ifdef BB_FEATURE_FIND_TYPEstatic int find_type(char *type){	int mask = 0;	switch (type[0]) {		case 'b':			mask = S_IFBLK;			break;		case 'c':			mask = S_IFCHR;			break;		case 'd':			mask = S_IFDIR;			break;		case 'p':			mask = S_IFIFO;			break;		case 'f':			mask = S_IFREG;			break;		case 'l':			mask = S_IFLNK;			break;		case 's':			mask = S_IFSOCK;			break;	}	if (mask == 0 || type[1] != '\0')		error_msg_and_die("invalid argument `%s' to `-type'", type);	return mask;}#endifint find_main(int argc, char **argv){	int dereference = FALSE;	int i, firstopt, status = EXIT_SUCCESS;	for (firstopt = 1; firstopt < argc; firstopt++) {		if (argv[firstopt][0] == '-')			break;	}	/* Parse any options */	for (i = firstopt; i < argc; i++) {		if (strcmp(argv[i], "-follow") == 0)			dereference = TRUE;		else if (strcmp(argv[i], "-print") == 0) {			;			}		else if (strcmp(argv[i], "-name") == 0) {			if (++i == argc)				error_msg_and_die("option `-name' requires an argument");			pattern = argv[i];#ifdef BB_FEATURE_FIND_TYPE		} else if (strcmp(argv[i], "-type") == 0) {			if (++i == argc)				error_msg_and_die("option `-type' requires an argument");			type_mask = find_type(argv[i]);#endif#ifdef BB_FEATURE_FIND_PERM		} else if (strcmp(argv[i], "-perm") == 0) {			char *end;			if (++i == argc)				error_msg_and_die("option `-perm' requires an argument");			perm_mask = strtol(argv[i], &end, 8);			if (end[0] != '\0')				error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);			if (perm_mask > 07777)				error_msg_and_die("invalid argument `%s' to `-perm'", argv[i]);			if ((perm_char = argv[i][0]) == '-')				perm_mask = -perm_mask;#endif#ifdef BB_FEATURE_FIND_MTIME		} else if (strcmp(argv[i], "-mtime") == 0) {			char *end;			if (++i == argc)				error_msg_and_die("option `-mtime' requires an argument");			mtime_days = strtol(argv[i], &end, 10);			if (end[0] != '\0')				error_msg_and_die("invalid argument `%s' to `-mtime'", argv[i]);			if ((mtime_char = argv[i][0]) == '-')				mtime_days = -mtime_days;#endif#ifdef BB_FEATURE_FIND_NEWER		} else if (strcmp(argv[i], "-newer") == 0) {			struct stat stat_newer;			if (++i == argc)				error_msg_and_die("option `-newer' requires an argument");		    if (stat (argv[i], &stat_newer) != 0)				error_msg_and_die("file %s not found", argv[i]);			newer_mtime = stat_newer.st_mtime;#endif		} else			show_usage();	}	if (firstopt == 1) {		if (recursive_action(".", TRUE, dereference, FALSE, fileAction,					fileAction, NULL) == FALSE)			status = EXIT_FAILURE;	} else {		for (i = 1; i < firstopt; i++) {			if (recursive_action(argv[i], TRUE, dereference, FALSE, fileAction,						fileAction, NULL) == FALSE)				status = EXIT_FAILURE;		}	}	return status;}