efifs_ls.c revision 1.2.2.2
1 1.2.2.2 simonb /* $NetBSD: efifs_ls.c,v 1.2.2.2 2006/04/22 11:37:39 simonb Exp $ */ 2 1.2.2.2 simonb 3 1.2.2.2 simonb /* 4 1.2.2.2 simonb * Copyright (c) 1993 5 1.2.2.2 simonb * The Regents of the University of California. All rights reserved. 6 1.2.2.2 simonb * 7 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without 8 1.2.2.2 simonb * modification, are permitted provided that the following conditions 9 1.2.2.2 simonb * are met: 10 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright 11 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer. 12 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 13 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the 14 1.2.2.2 simonb * documentation and/or other materials provided with the distribution. 15 1.2.2.2 simonb * 3. Neither the name of the University nor the names of its contributors 16 1.2.2.2 simonb * may be used to endorse or promote products derived from this software 17 1.2.2.2 simonb * without specific prior written permission. 18 1.2.2.2 simonb * 19 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 20 1.2.2.2 simonb * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 21 1.2.2.2 simonb * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 22 1.2.2.2 simonb * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 23 1.2.2.2 simonb * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 24 1.2.2.2 simonb * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 25 1.2.2.2 simonb * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 26 1.2.2.2 simonb * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 27 1.2.2.2 simonb * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 28 1.2.2.2 simonb * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 29 1.2.2.2 simonb * SUCH DAMAGE. 30 1.2.2.2 simonb */ 31 1.2.2.2 simonb 32 1.2.2.2 simonb /* 33 1.2.2.2 simonb * Copyright (c) 1996 34 1.2.2.2 simonb * Matthias Drochner. All rights reserved. 35 1.2.2.2 simonb * 36 1.2.2.2 simonb * Redistribution and use in source and binary forms, with or without 37 1.2.2.2 simonb * modification, are permitted provided that the following conditions 38 1.2.2.2 simonb * are met: 39 1.2.2.2 simonb * 1. Redistributions of source code must retain the above copyright 40 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer. 41 1.2.2.2 simonb * 2. Redistributions in binary form must reproduce the above copyright 42 1.2.2.2 simonb * notice, this list of conditions and the following disclaimer in the 43 1.2.2.2 simonb * documentation and/or other materials provided with the distribution. 44 1.2.2.2 simonb * 45 1.2.2.2 simonb * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 46 1.2.2.2 simonb * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 47 1.2.2.2 simonb * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 48 1.2.2.2 simonb * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 49 1.2.2.2 simonb * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 50 1.2.2.2 simonb * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 51 1.2.2.2 simonb * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 52 1.2.2.2 simonb * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 53 1.2.2.2 simonb * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 54 1.2.2.2 simonb * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 55 1.2.2.2 simonb */ 56 1.2.2.2 simonb 57 1.2.2.2 simonb 58 1.2.2.2 simonb #include <dirent.h> 59 1.2.2.2 simonb #include <sys/param.h> 60 1.2.2.2 simonb #include <sys/stat.h> 61 1.2.2.2 simonb 62 1.2.2.2 simonb #include <lib/libkern/libkern.h> 63 1.2.2.2 simonb 64 1.2.2.2 simonb #include "stand.h" 65 1.2.2.2 simonb 66 1.2.2.2 simonb #include <efi.h> 67 1.2.2.2 simonb #include <efilib.h> 68 1.2.2.2 simonb 69 1.2.2.2 simonb #include "efifs.h" 70 1.2.2.2 simonb 71 1.2.2.2 simonb #define NELEM(x) (sizeof (x) / sizeof(*x)) 72 1.2.2.2 simonb 73 1.2.2.2 simonb typedef struct entry_t entry_t; 74 1.2.2.2 simonb struct entry_t { 75 1.2.2.2 simonb entry_t *e_next; 76 1.2.2.2 simonb ino_t e_ino; 77 1.2.2.2 simonb uint8_t e_type; 78 1.2.2.2 simonb char e_name[1]; 79 1.2.2.2 simonb }; 80 1.2.2.2 simonb 81 1.2.2.2 simonb static const char *const typestr[] = { 82 1.2.2.2 simonb "unknown", 83 1.2.2.2 simonb "FIFO", 84 1.2.2.2 simonb "CHR", 85 1.2.2.2 simonb 0, 86 1.2.2.2 simonb "DIR", 87 1.2.2.2 simonb 0, 88 1.2.2.2 simonb "BLK", 89 1.2.2.2 simonb 0, 90 1.2.2.2 simonb "REG", 91 1.2.2.2 simonb 0, 92 1.2.2.2 simonb "LNK", 93 1.2.2.2 simonb 0, 94 1.2.2.2 simonb "SOCK", 95 1.2.2.2 simonb 0, 96 1.2.2.2 simonb "WHT" 97 1.2.2.2 simonb }; 98 1.2.2.2 simonb 99 1.2.2.2 simonb static int 100 1.2.2.2 simonb fn_match(const char *fname, const char *pattern) 101 1.2.2.2 simonb { 102 1.2.2.2 simonb char fc, pc; 103 1.2.2.2 simonb 104 1.2.2.2 simonb do { 105 1.2.2.2 simonb fc = *fname++; 106 1.2.2.2 simonb pc = *pattern++; 107 1.2.2.2 simonb if (!fc && !pc) 108 1.2.2.2 simonb return 1; 109 1.2.2.2 simonb if (pc == '?' && fc) 110 1.2.2.2 simonb pc = fc; 111 1.2.2.2 simonb } while (fc == pc); 112 1.2.2.2 simonb 113 1.2.2.2 simonb if (pc != '*') 114 1.2.2.2 simonb return 0; 115 1.2.2.2 simonb /* Too hard (and unnecessary really) too check for "*?name" etc.... 116 1.2.2.2 simonb "**" will look for a '*' and "*?" a '?' */ 117 1.2.2.2 simonb pc = *pattern++; 118 1.2.2.2 simonb if (!pc) 119 1.2.2.2 simonb return 1; 120 1.2.2.2 simonb while ((fname = strchr(fname, pc))) 121 1.2.2.2 simonb if (fn_match(++fname, pattern)) 122 1.2.2.2 simonb return 1; 123 1.2.2.2 simonb return 0; 124 1.2.2.2 simonb } 125 1.2.2.2 simonb 126 1.2.2.2 simonb void 127 1.2.2.2 simonb efifs_ls(const char *path) 128 1.2.2.2 simonb { 129 1.2.2.2 simonb int fd; 130 1.2.2.2 simonb struct stat sb; 131 1.2.2.2 simonb size_t size; 132 1.2.2.2 simonb char dirbuf[DIRBLKSIZ]; 133 1.2.2.2 simonb const char *fname = 0; 134 1.2.2.2 simonb char *p; 135 1.2.2.2 simonb entry_t *names = 0, *n, **np; 136 1.2.2.2 simonb 137 1.2.2.2 simonb if ((fd = open(path, 0)) < 0 138 1.2.2.2 simonb || fstat(fd, &sb) < 0 139 1.2.2.2 simonb || (sb.st_mode & S_IFMT) != S_IFDIR) { 140 1.2.2.2 simonb /* Path supplied isn't a directory, open parent 141 1.2.2.2 simonb directory and list matching files. */ 142 1.2.2.2 simonb if (fd >= 0) 143 1.2.2.2 simonb close(fd); 144 1.2.2.2 simonb fname = strrchr(path, '/'); 145 1.2.2.2 simonb if (fname) { 146 1.2.2.2 simonb size = fname - path; 147 1.2.2.2 simonb p = alloc(size + 1); 148 1.2.2.2 simonb if (!p) 149 1.2.2.2 simonb goto out; 150 1.2.2.2 simonb memcpy(p, path, size); 151 1.2.2.2 simonb p[size] = 0; 152 1.2.2.2 simonb fd = open(p, 0); 153 1.2.2.2 simonb free(p, size + 1); 154 1.2.2.2 simonb } else { 155 1.2.2.2 simonb fd = open("", 0); 156 1.2.2.2 simonb fname = path; 157 1.2.2.2 simonb } 158 1.2.2.2 simonb 159 1.2.2.2 simonb if (fd < 0) { 160 1.2.2.2 simonb printf("ls: %s\n", strerror(errno)); 161 1.2.2.2 simonb return; 162 1.2.2.2 simonb } 163 1.2.2.2 simonb if (fstat(fd, &sb) < 0) { 164 1.2.2.2 simonb printf("stat: %s\n", strerror(errno)); 165 1.2.2.2 simonb goto out; 166 1.2.2.2 simonb } 167 1.2.2.2 simonb if ((sb.st_mode & S_IFMT) != S_IFDIR) { 168 1.2.2.2 simonb printf("%s: %s\n", path, strerror(ENOTDIR)); 169 1.2.2.2 simonb goto out; 170 1.2.2.2 simonb } 171 1.2.2.2 simonb } 172 1.2.2.2 simonb 173 1.2.2.2 simonb while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) { 174 1.2.2.2 simonb struct dirent *dp, *edp; 175 1.2.2.2 simonb 176 1.2.2.2 simonb dp = (struct dirent *) dirbuf; 177 1.2.2.2 simonb edp = (struct dirent *) (dirbuf + size); 178 1.2.2.2 simonb 179 1.2.2.2 simonb for (; dp < edp; dp = (void *)((char *)dp + dp->d_reclen)) { 180 1.2.2.2 simonb const char *t; 181 1.2.2.2 simonb if (dp->d_ino == 0) 182 1.2.2.2 simonb continue; 183 1.2.2.2 simonb 184 1.2.2.2 simonb if (dp->d_type >= NELEM(typestr) || 185 1.2.2.2 simonb !(t = typestr[dp->d_type])) { 186 1.2.2.2 simonb /* 187 1.2.2.2 simonb * This does not handle "old" 188 1.2.2.2 simonb * filesystems properly. On little 189 1.2.2.2 simonb * endian machines, we get a bogus 190 1.2.2.2 simonb * type name if the namlen matches a 191 1.2.2.2 simonb * valid type identifier. We could 192 1.2.2.2 simonb * check if we read namlen "0" and 193 1.2.2.2 simonb * handle this case specially, if 194 1.2.2.2 simonb * there were a pressing need... 195 1.2.2.2 simonb */ 196 1.2.2.2 simonb printf("bad dir entry\n"); 197 1.2.2.2 simonb goto out; 198 1.2.2.2 simonb } 199 1.2.2.2 simonb if (fname && !fn_match(dp->d_name, fname)) 200 1.2.2.2 simonb continue; 201 1.2.2.2 simonb n = alloc(sizeof *n + strlen(dp->d_name)); 202 1.2.2.2 simonb if (!n) { 203 1.2.2.2 simonb printf("%d: %s (%s)\n", 204 1.2.2.2 simonb dp->d_ino, dp->d_name, t); 205 1.2.2.2 simonb continue; 206 1.2.2.2 simonb } 207 1.2.2.2 simonb n->e_ino = dp->d_ino; 208 1.2.2.2 simonb n->e_type = dp->d_type; 209 1.2.2.2 simonb strcpy(n->e_name, dp->d_name); 210 1.2.2.2 simonb for (np = &names; *np; np = &(*np)->e_next) { 211 1.2.2.2 simonb if (strcmp(n->e_name, (*np)->e_name) < 0) 212 1.2.2.2 simonb break; 213 1.2.2.2 simonb } 214 1.2.2.2 simonb n->e_next = *np; 215 1.2.2.2 simonb *np = n; 216 1.2.2.2 simonb } 217 1.2.2.2 simonb } 218 1.2.2.2 simonb 219 1.2.2.2 simonb if (names) { 220 1.2.2.2 simonb do { 221 1.2.2.2 simonb n = names; 222 1.2.2.2 simonb printf("%d: %s (%s)\n", 223 1.2.2.2 simonb n->e_ino, n->e_name, typestr[n->e_type]); 224 1.2.2.2 simonb names = n->e_next; 225 1.2.2.2 simonb free(n, 0); 226 1.2.2.2 simonb } while (names); 227 1.2.2.2 simonb } else { 228 1.2.2.2 simonb printf( "%s not found\n", path ); 229 1.2.2.2 simonb } 230 1.2.2.2 simonb out: 231 1.2.2.2 simonb close(fd); 232 1.2.2.2 simonb } 233
Indexes created Wed Oct 22 06:10:02 GMT 2025