/* vi: set sw=4 ts=4: */ /* * Mini find implementation for busybox * * * Copyright (C) 1999,2000,2001 by Lineo, inc. * Written by Erik Andersen <andersen@lineo.com>, <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_TYPE static int type_mask = 0; #endif #ifdef BB_FEATURE_FIND_PERM static char perm_char = 0; static int perm_mask = 0; #endif #ifdef BB_FEATURE_FIND_MTIME static char mtime_char; static int mtime_days; #endif static 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 puts(fileName); no_match: return (TRUE); } #ifdef BB_FEATURE_FIND_TYPE static 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; } #endif int 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 } 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; }