ls.c revision 1.1.2.2
1 1.1.2.2 yamt /* 2 1.1.2.2 yamt * $NetBSD: ls.c,v 1.1.2.2 2006/04/11 11:53:40 yamt Exp $ 3 1.1.2.2 yamt */ 4 1.1.2.2 yamt 5 1.1.2.2 yamt /*- 6 1.1.2.2 yamt * Copyright (c) 1993 7 1.1.2.2 yamt * The Regents of the University of California. All rights reserved. 8 1.1.2.2 yamt * Copyright (c) 1996 9 1.1.2.2 yamt * Matthias Drochner. All rights reserved. 10 1.1.2.2 yamt * 11 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without 12 1.1.2.2 yamt * modification, are permitted provided that the following conditions 13 1.1.2.2 yamt * are met: 14 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright 15 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer. 16 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright 17 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the 18 1.1.2.2 yamt * documentation and/or other materials provided with the distribution. 19 1.1.2.2 yamt * 3. All advertising materials mentioning features or use of this software 20 1.1.2.2 yamt * must display the following acknowledgement: 21 1.1.2.2 yamt * This product includes software developed by the University of 22 1.1.2.2 yamt * California, Berkeley and its contributors. 23 1.1.2.2 yamt * 4. Neither the name of the University nor the names of its contributors 24 1.1.2.2 yamt * may be used to endorse or promote products derived from this software 25 1.1.2.2 yamt * without specific prior written permission. 26 1.1.2.2 yamt * 27 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 28 1.1.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 29 1.1.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 30 1.1.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 31 1.1.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 32 1.1.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 33 1.1.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 34 1.1.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 35 1.1.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 36 1.1.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 37 1.1.2.2 yamt * SUCH DAMAGE. 38 1.1.2.2 yamt */ 39 1.1.2.2 yamt 40 1.1.2.2 yamt #include <sys/cdefs.h> 41 1.1.2.2 yamt 42 1.1.2.2 yamt #include <sys/param.h> 43 1.1.2.2 yamt #include <ufs/ufs/dinode.h> 44 1.1.2.2 yamt #include <ufs/ufs/dir.h> 45 1.1.2.2 yamt #include <sys/dirent.h> 46 1.1.2.2 yamt 47 1.1.2.2 yamt #include <lib/libsa/stand.h> 48 1.1.2.2 yamt 49 1.1.2.2 yamt #include "bootstrap.h" 50 1.1.2.2 yamt 51 1.1.2.2 yamt static char typestr[] = "?fc?d?b? ?l?s?w"; 52 1.1.2.2 yamt 53 1.1.2.2 yamt static int ls_getdir(char **pathp); 54 1.1.2.2 yamt 55 1.1.2.2 yamt int 56 1.1.2.2 yamt command_ls(int argc, char *argv[]) 57 1.1.2.2 yamt { 58 1.1.2.2 yamt int fd; 59 1.1.2.2 yamt struct stat sb; 60 1.1.2.2 yamt struct dirent *d; 61 1.1.2.2 yamt char *buf, *path; 62 1.1.2.2 yamt char lbuf[128]; /* one line */ 63 1.1.2.2 yamt int result, ch; 64 1.1.2.2 yamt int verbose; 65 1.1.2.2 yamt 66 1.1.2.2 yamt result = CMD_OK; 67 1.1.2.2 yamt fd = -1; 68 1.1.2.2 yamt verbose = 0; 69 1.1.2.2 yamt optind = 1; 70 1.1.2.2 yamt optreset = 1; 71 1.1.2.2 yamt while ((ch = getopt(argc, argv, "l")) != -1) { 72 1.1.2.2 yamt switch(ch) { 73 1.1.2.2 yamt case 'l': 74 1.1.2.2 yamt verbose = 1; 75 1.1.2.2 yamt break; 76 1.1.2.2 yamt case '?': 77 1.1.2.2 yamt default: 78 1.1.2.2 yamt /* getopt has already reported an error */ 79 1.1.2.2 yamt return(CMD_OK); 80 1.1.2.2 yamt } 81 1.1.2.2 yamt } 82 1.1.2.2 yamt argv += (optind - 1); 83 1.1.2.2 yamt argc -= (optind - 1); 84 1.1.2.2 yamt 85 1.1.2.2 yamt if (argc < 2) { 86 1.1.2.2 yamt path = ""; 87 1.1.2.2 yamt } else { 88 1.1.2.2 yamt path = argv[1]; 89 1.1.2.2 yamt } 90 1.1.2.2 yamt 91 1.1.2.2 yamt fd = ls_getdir(&path); 92 1.1.2.2 yamt if (fd == -1) { 93 1.1.2.2 yamt result = CMD_ERROR; 94 1.1.2.2 yamt goto out; 95 1.1.2.2 yamt } 96 1.1.2.2 yamt 97 1.1.2.2 yamt pager_open(); 98 1.1.2.2 yamt pager_output(path); 99 1.1.2.2 yamt pager_output("\n"); 100 1.1.2.2 yamt 101 1.1.2.2 yamt while ((d = readdirfd(fd)) != NULL) { 102 1.1.2.2 yamt /* if (strcmp(d->d_name, ".") && strcmp(d->d_name, "..")) { */ 103 1.1.2.2 yamt if (verbose) { 104 1.1.2.2 yamt /* stat the file, if possible */ 105 1.1.2.2 yamt sb.st_size = 0; 106 1.1.2.2 yamt buf = alloc(strlen(path) + strlen(d->d_name) + 2); 107 1.1.2.2 yamt sprintf(buf, "%s/%s", path, d->d_name); 108 1.1.2.2 yamt /* ignore return, could be symlink, etc. */ 109 1.1.2.2 yamt if (stat(buf, &sb)) 110 1.1.2.2 yamt sb.st_size = 0; 111 1.1.2.2 yamt free(buf); 112 1.1.2.2 yamt sprintf(lbuf, " %c %8d %s\n", typestr[d->d_type], 113 1.1.2.2 yamt (int)sb.st_size, d->d_name); 114 1.1.2.2 yamt } else { 115 1.1.2.2 yamt sprintf(lbuf, " %c %s\n", typestr[d->d_type], d->d_name); 116 1.1.2.2 yamt } 117 1.1.2.2 yamt if (pager_output(lbuf)) 118 1.1.2.2 yamt goto out; 119 1.1.2.2 yamt /* } */ 120 1.1.2.2 yamt } 121 1.1.2.2 yamt out: 122 1.1.2.2 yamt pager_close(); 123 1.1.2.2 yamt if (fd != -1) 124 1.1.2.2 yamt close(fd); 125 1.1.2.2 yamt if (path != NULL) 126 1.1.2.2 yamt free(path); 127 1.1.2.2 yamt return(result); 128 1.1.2.2 yamt } 129 1.1.2.2 yamt 130 1.1.2.2 yamt /* 131 1.1.2.2 yamt * Given (path) containing a vaguely reasonable path specification, return an fd 132 1.1.2.2 yamt * on the directory, and an allocated copy of the path to the directory. 133 1.1.2.2 yamt */ 134 1.1.2.2 yamt static int 135 1.1.2.2 yamt ls_getdir(char **pathp) 136 1.1.2.2 yamt { 137 1.1.2.2 yamt struct stat sb; 138 1.1.2.2 yamt int fd; 139 1.1.2.2 yamt const char *cp; 140 1.1.2.2 yamt char *path, *tail; 141 1.1.2.2 yamt 142 1.1.2.2 yamt tail = NULL; 143 1.1.2.2 yamt fd = -1; 144 1.1.2.2 yamt 145 1.1.2.2 yamt /* one extra byte for a possible trailing slash required */ 146 1.1.2.2 yamt path = alloc(strlen(*pathp) + 2); 147 1.1.2.2 yamt strcpy(path, *pathp); 148 1.1.2.2 yamt 149 1.1.2.2 yamt /* Make sure the path is respectable to begin with */ 150 1.1.2.2 yamt if (archsw.arch_getdev(NULL, path, &cp)) { 151 1.1.2.2 yamt sprintf(command_errbuf, "bad path '%s'", path); 152 1.1.2.2 yamt goto out; 153 1.1.2.2 yamt } 154 1.1.2.2 yamt 155 1.1.2.2 yamt /* If there's no path on the device, assume '/' */ 156 1.1.2.2 yamt if (*cp == 0) 157 1.1.2.2 yamt strcat(path, "/"); 158 1.1.2.2 yamt fd = open(path, O_RDONLY); 159 1.1.2.2 yamt if (fd < 0) { 160 1.1.2.2 yamt sprintf(command_errbuf, "open '%s' failed: %s", path, strerror(errno)); 161 1.1.2.2 yamt goto out; 162 1.1.2.2 yamt } 163 1.1.2.2 yamt if (fstat(fd, &sb) < 0) { 164 1.1.2.2 yamt sprintf(command_errbuf, "stat failed: %s", strerror(errno)); 165 1.1.2.2 yamt goto out; 166 1.1.2.2 yamt } 167 1.1.2.2 yamt if (!S_ISDIR(sb.st_mode)) { 168 1.1.2.2 yamt sprintf(command_errbuf, "%s: %s", path, strerror(ENOTDIR)); 169 1.1.2.2 yamt goto out; 170 1.1.2.2 yamt } 171 1.1.2.2 yamt 172 1.1.2.2 yamt *pathp = path; 173 1.1.2.2 yamt return(fd); 174 1.1.2.2 yamt 175 1.1.2.2 yamt out: 176 1.1.2.2 yamt free(path); 177 1.1.2.2 yamt *pathp = NULL; 178 1.1.2.2 yamt if (fd != -1) 179 1.1.2.2 yamt close(fd); 180 1.1.2.2 yamt return(-1); 181 1.1.2.2 yamt } 182
Indexes created Mon Oct 20 20:10:13 GMT 2025