efifs_ls.c revision 1.1.2.2 1 1.1.2.2 yamt /* $NetBSD: efifs_ls.c,v 1.1.2.2 2006/04/11 11:53:42 yamt Exp $ */
2 1.1.2.2 yamt
3 1.1.2.2 yamt /*
4 1.1.2.2 yamt * Copyright (c) 1993
5 1.1.2.2 yamt * The Regents of the University of California. All rights reserved.
6 1.1.2.2 yamt *
7 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without
8 1.1.2.2 yamt * modification, are permitted provided that the following conditions
9 1.1.2.2 yamt * are met:
10 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright
11 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer.
12 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
13 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the
14 1.1.2.2 yamt * documentation and/or other materials provided with the distribution.
15 1.1.2.2 yamt * 3. Neither the name of the University nor the names of its contributors
16 1.1.2.2 yamt * may be used to endorse or promote products derived from this software
17 1.1.2.2 yamt * without specific prior written permission.
18 1.1.2.2 yamt *
19 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 1.1.2.2 yamt * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 1.1.2.2 yamt * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 1.1.2.2 yamt * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 1.1.2.2 yamt * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 1.1.2.2 yamt * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 1.1.2.2 yamt * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 1.1.2.2 yamt * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 1.1.2.2 yamt * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 1.1.2.2 yamt * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 1.1.2.2 yamt * SUCH DAMAGE.
30 1.1.2.2 yamt */
31 1.1.2.2 yamt
32 1.1.2.2 yamt /*
33 1.1.2.2 yamt * Copyright (c) 1996
34 1.1.2.2 yamt * Matthias Drochner. All rights reserved.
35 1.1.2.2 yamt *
36 1.1.2.2 yamt * Redistribution and use in source and binary forms, with or without
37 1.1.2.2 yamt * modification, are permitted provided that the following conditions
38 1.1.2.2 yamt * are met:
39 1.1.2.2 yamt * 1. Redistributions of source code must retain the above copyright
40 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer.
41 1.1.2.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
42 1.1.2.2 yamt * notice, this list of conditions and the following disclaimer in the
43 1.1.2.2 yamt * documentation and/or other materials provided with the distribution.
44 1.1.2.2 yamt *
45 1.1.2.2 yamt * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
46 1.1.2.2 yamt * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
47 1.1.2.2 yamt * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
48 1.1.2.2 yamt * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
49 1.1.2.2 yamt * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
50 1.1.2.2 yamt * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
51 1.1.2.2 yamt * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
52 1.1.2.2 yamt * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
53 1.1.2.2 yamt * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
54 1.1.2.2 yamt * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
55 1.1.2.2 yamt */
56 1.1.2.2 yamt
57 1.1.2.2 yamt
58 1.1.2.2 yamt #include <dirent.h>
59 1.1.2.2 yamt #include <sys/param.h>
60 1.1.2.2 yamt #include <sys/stat.h>
61 1.1.2.2 yamt
62 1.1.2.2 yamt #include <lib/libkern/libkern.h>
63 1.1.2.2 yamt
64 1.1.2.2 yamt #include "stand.h"
65 1.1.2.2 yamt
66 1.1.2.2 yamt #include <efi.h>
67 1.1.2.2 yamt #include <efilib.h>
68 1.1.2.2 yamt
69 1.1.2.2 yamt #include "efifs.h"
70 1.1.2.2 yamt
71 1.1.2.2 yamt #define NELEM(x) (sizeof (x) / sizeof(*x))
72 1.1.2.2 yamt
73 1.1.2.2 yamt typedef struct entry_t entry_t;
74 1.1.2.2 yamt struct entry_t {
75 1.1.2.2 yamt entry_t *e_next;
76 1.1.2.2 yamt ino_t e_ino;
77 1.1.2.2 yamt uint8_t e_type;
78 1.1.2.2 yamt char e_name[1];
79 1.1.2.2 yamt };
80 1.1.2.2 yamt
81 1.1.2.2 yamt static const char *const typestr[] = {
82 1.1.2.2 yamt "unknown",
83 1.1.2.2 yamt "FIFO",
84 1.1.2.2 yamt "CHR",
85 1.1.2.2 yamt 0,
86 1.1.2.2 yamt "DIR",
87 1.1.2.2 yamt 0,
88 1.1.2.2 yamt "BLK",
89 1.1.2.2 yamt 0,
90 1.1.2.2 yamt "REG",
91 1.1.2.2 yamt 0,
92 1.1.2.2 yamt "LNK",
93 1.1.2.2 yamt 0,
94 1.1.2.2 yamt "SOCK",
95 1.1.2.2 yamt 0,
96 1.1.2.2 yamt "WHT"
97 1.1.2.2 yamt };
98 1.1.2.2 yamt
99 1.1.2.2 yamt static int
100 1.1.2.2 yamt fn_match(const char *fname, const char *pattern)
101 1.1.2.2 yamt {
102 1.1.2.2 yamt char fc, pc;
103 1.1.2.2 yamt
104 1.1.2.2 yamt do {
105 1.1.2.2 yamt fc = *fname++;
106 1.1.2.2 yamt pc = *pattern++;
107 1.1.2.2 yamt if (!fc && !pc)
108 1.1.2.2 yamt return 1;
109 1.1.2.2 yamt if (pc == '?' && fc)
110 1.1.2.2 yamt pc = fc;
111 1.1.2.2 yamt } while (fc == pc);
112 1.1.2.2 yamt
113 1.1.2.2 yamt if (pc != '*')
114 1.1.2.2 yamt return 0;
115 1.1.2.2 yamt /* Too hard (and unnecessary really) too check for "*?name" etc....
116 1.1.2.2 yamt "**" will look for a '*' and "*?" a '?' */
117 1.1.2.2 yamt pc = *pattern++;
118 1.1.2.2 yamt if (!pc)
119 1.1.2.2 yamt return 1;
120 1.1.2.2 yamt while ((fname = strchr(fname, pc)))
121 1.1.2.2 yamt if (fn_match(++fname, pattern))
122 1.1.2.2 yamt return 1;
123 1.1.2.2 yamt return 0;
124 1.1.2.2 yamt }
125 1.1.2.2 yamt
126 1.1.2.2 yamt void
127 1.1.2.2 yamt efifs_ls(const char *path)
128 1.1.2.2 yamt {
129 1.1.2.2 yamt int fd;
130 1.1.2.2 yamt struct stat sb;
131 1.1.2.2 yamt size_t size;
132 1.1.2.2 yamt char dirbuf[DIRBLKSIZ];
133 1.1.2.2 yamt const char *fname = 0;
134 1.1.2.2 yamt char *p;
135 1.1.2.2 yamt entry_t *names = 0, *n, **np;
136 1.1.2.2 yamt
137 1.1.2.2 yamt if ((fd = open(path, 0)) < 0
138 1.1.2.2 yamt || fstat(fd, &sb) < 0
139 1.1.2.2 yamt || (sb.st_mode & S_IFMT) != S_IFDIR) {
140 1.1.2.2 yamt /* Path supplied isn't a directory, open parent
141 1.1.2.2 yamt directory and list matching files. */
142 1.1.2.2 yamt if (fd >= 0)
143 1.1.2.2 yamt close(fd);
144 1.1.2.2 yamt fname = strrchr(path, '/');
145 1.1.2.2 yamt if (fname) {
146 1.1.2.2 yamt size = fname - path;
147 1.1.2.2 yamt p = alloc(size + 1);
148 1.1.2.2 yamt if (!p)
149 1.1.2.2 yamt goto out;
150 1.1.2.2 yamt memcpy(p, path, size);
151 1.1.2.2 yamt p[size] = 0;
152 1.1.2.2 yamt fd = open(p, 0);
153 1.1.2.2 yamt free(p, size + 1);
154 1.1.2.2 yamt } else {
155 1.1.2.2 yamt fd = open("", 0);
156 1.1.2.2 yamt fname = path;
157 1.1.2.2 yamt }
158 1.1.2.2 yamt
159 1.1.2.2 yamt if (fd < 0) {
160 1.1.2.2 yamt printf("ls: %s\n", strerror(errno));
161 1.1.2.2 yamt return;
162 1.1.2.2 yamt }
163 1.1.2.2 yamt if (fstat(fd, &sb) < 0) {
164 1.1.2.2 yamt printf("stat: %s\n", strerror(errno));
165 1.1.2.2 yamt goto out;
166 1.1.2.2 yamt }
167 1.1.2.2 yamt if ((sb.st_mode & S_IFMT) != S_IFDIR) {
168 1.1.2.2 yamt printf("%s: %s\n", 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
173 1.1.2.2 yamt while ((size = read(fd, dirbuf, DIRBLKSIZ)) == DIRBLKSIZ) {
174 1.1.2.2 yamt struct dirent *dp, *edp;
175 1.1.2.2 yamt
176 1.1.2.2 yamt dp = (struct dirent *) dirbuf;
177 1.1.2.2 yamt edp = (struct dirent *) (dirbuf + size);
178 1.1.2.2 yamt
179 1.1.2.2 yamt for (; dp < edp; dp = (void *)((char *)dp + dp->d_reclen)) {
180 1.1.2.2 yamt const char *t;
181 1.1.2.2 yamt if (dp->d_ino == 0)
182 1.1.2.2 yamt continue;
183 1.1.2.2 yamt
184 1.1.2.2 yamt if (dp->d_type >= NELEM(typestr) ||
185 1.1.2.2 yamt !(t = typestr[dp->d_type])) {
186 1.1.2.2 yamt /*
187 1.1.2.2 yamt * This does not handle "old"
188 1.1.2.2 yamt * filesystems properly. On little
189 1.1.2.2 yamt * endian machines, we get a bogus
190 1.1.2.2 yamt * type name if the namlen matches a
191 1.1.2.2 yamt * valid type identifier. We could
192 1.1.2.2 yamt * check if we read namlen "0" and
193 1.1.2.2 yamt * handle this case specially, if
194 1.1.2.2 yamt * there were a pressing need...
195 1.1.2.2 yamt */
196 1.1.2.2 yamt printf("bad dir entry\n");
197 1.1.2.2 yamt goto out;
198 1.1.2.2 yamt }
199 1.1.2.2 yamt if (fname && !fn_match(dp->d_name, fname))
200 1.1.2.2 yamt continue;
201 1.1.2.2 yamt n = alloc(sizeof *n + strlen(dp->d_name));
202 1.1.2.2 yamt if (!n) {
203 1.1.2.2 yamt printf("%d: %s (%s)\n",
204 1.1.2.2 yamt dp->d_ino, dp->d_name, t);
205 1.1.2.2 yamt continue;
206 1.1.2.2 yamt }
207 1.1.2.2 yamt n->e_ino = dp->d_ino;
208 1.1.2.2 yamt n->e_type = dp->d_type;
209 1.1.2.2 yamt strcpy(n->e_name, dp->d_name);
210 1.1.2.2 yamt for (np = &names; *np; np = &(*np)->e_next) {
211 1.1.2.2 yamt if (strcmp(n->e_name, (*np)->e_name) < 0)
212 1.1.2.2 yamt break;
213 1.1.2.2 yamt }
214 1.1.2.2 yamt n->e_next = *np;
215 1.1.2.2 yamt *np = n;
216 1.1.2.2 yamt }
217 1.1.2.2 yamt }
218 1.1.2.2 yamt
219 1.1.2.2 yamt if (names) {
220 1.1.2.2 yamt do {
221 1.1.2.2 yamt n = names;
222 1.1.2.2 yamt printf("%d: %s (%s)\n",
223 1.1.2.2 yamt n->e_ino, n->e_name, typestr[n->e_type]);
224 1.1.2.2 yamt names = n->e_next;
225 1.1.2.2 yamt free(n, 0);
226 1.1.2.2 yamt } while (names);
227 1.1.2.2 yamt } else {
228 1.1.2.2 yamt printf( "%s not found\n", path );
229 1.1.2.2 yamt }
230 1.1.2.2 yamt out:
231 1.1.2.2 yamt close(fd);
232 1.1.2.2 yamt }
233