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authorRichard Purdie <richard@openedhand.com>2006-07-21 10:10:31 +0000
committerRichard Purdie <richard@openedhand.com>2006-07-21 10:10:31 +0000
commitb2f192faabe412adce79534e22efe9fb69ee40e2 (patch)
tree7076c49d4286f8a1733650bd8fbc7161af200d57 /meta/packages/makedevs
parent2cf0eadf9f730027833af802d7e6c90b44248f80 (diff)
downloadpoky-b2f192faabe412adce79534e22efe9fb69ee40e2.tar.gz
Rename /openembedded/ -> /meta/
git-svn-id: https://svn.o-hand.com/repos/poky/trunk@530 311d38ba-8fff-0310-9ca6-ca027cbcb966
Diffstat (limited to 'meta/packages/makedevs')
-rw-r--r--meta/packages/makedevs/makedevs-1.0.0/makedevs.c338
-rw-r--r--meta/packages/makedevs/makedevs-native_1.0.0.bb10
-rw-r--r--meta/packages/makedevs/makedevs_1.0.0.bb20
3 files changed, 368 insertions, 0 deletions
diff --git a/meta/packages/makedevs/makedevs-1.0.0/makedevs.c b/meta/packages/makedevs/makedevs-1.0.0/makedevs.c
new file mode 100644
index 0000000000..a9bf8e782a
--- /dev/null
+++ b/meta/packages/makedevs/makedevs-1.0.0/makedevs.c
@@ -0,0 +1,338 @@
1#define _GNU_SOURCE
2#include <stdio.h>
3#include <errno.h>
4#include <string.h>
5#include <stdarg.h>
6#include <stdlib.h>
7#include <ctype.h>
8#include <fcntl.h>
9#include <dirent.h>
10#include <unistd.h>
11#include <time.h>
12#include <getopt.h>
13#include <libgen.h>
14#include <sys/types.h>
15#include <sys/stat.h>
16
17#define MINORBITS 8
18#define MKDEV(ma,mi) (((ma) << MINORBITS) | (mi))
19
20/* These are all stolen from busybox's libbb to make
21 * error handling simpler (and since I maintain busybox,
22 * I'm rather partial to these for error handling).
23 * -Erik
24 */
25static const char *const app_name = "makedevs";
26static const char *const memory_exhausted = "memory exhausted";
27static char default_rootdir[]=".";
28static char *rootdir = default_rootdir;
29
30static void verror_msg(const char *s, va_list p)
31{
32 fflush(stdout);
33 fprintf(stderr, "%s: ", app_name);
34 vfprintf(stderr, s, p);
35}
36
37static void error_msg_and_die(const char *s, ...)
38{
39 va_list p;
40
41 va_start(p, s);
42 verror_msg(s, p);
43 va_end(p);
44 putc('\n', stderr);
45 exit(EXIT_FAILURE);
46}
47
48static void vperror_msg(const char *s, va_list p)
49{
50 int err = errno;
51
52 if (s == 0)
53 s = "";
54 verror_msg(s, p);
55 if (*s)
56 s = ": ";
57 fprintf(stderr, "%s%s\n", s, strerror(err));
58}
59
60#if 0
61static void perror_msg(const char *s, ...)
62{
63 va_list p;
64
65 va_start(p, s);
66 vperror_msg(s, p);
67 va_end(p);
68}
69#endif
70
71static void perror_msg_and_die(const char *s, ...)
72{
73 va_list p;
74
75 va_start(p, s);
76 vperror_msg(s, p);
77 va_end(p);
78 exit(EXIT_FAILURE);
79}
80
81static FILE *xfopen(const char *path, const char *mode)
82{
83 FILE *fp;
84
85 if ((fp = fopen(path, mode)) == NULL)
86 perror_msg_and_die("%s", path);
87 return fp;
88}
89
90static char *xstrdup(const char *s)
91{
92 char *t;
93
94 if (s == NULL)
95 return NULL;
96
97 t = strdup(s);
98
99 if (t == NULL)
100 error_msg_and_die(memory_exhausted);
101
102 return t;
103}
104
105
106static void add_new_directory(char *name, char *path,
107 unsigned long uid, unsigned long gid, unsigned long mode)
108{
109// printf("Directory: %s %s UID: %ld GID %ld MODE: %ld\n", path, name, uid, gid, mode);
110}
111
112static void add_new_device(char *name, char *path, unsigned long uid,
113 unsigned long gid, unsigned long mode, dev_t rdev)
114{
115 int status;
116 struct stat sb;
117 time_t timestamp = time(NULL);
118
119 memset(&sb, 0, sizeof(struct stat));
120 status = lstat(path, &sb);
121
122 if (status >= 0) {
123 /* It is ok for some types of files to not exit on disk (such as
124 * device nodes), but if they _do_ exist the specified mode had
125 * better match the actual file or strange things will happen.... */
126 if ((mode & S_IFMT) != (sb.st_mode & S_IFMT))
127 error_msg_and_die("%s: file type does not match specified type!", path);
128 timestamp = sb.st_mtime;
129 }
130
131 mknod(name, mode, rdev);
132// printf("Device: %s %s UID: %ld GID: %ld MODE: %ld MAJOR: %d MINOR: %d\n",
133// path, name, uid, gid, mode, (short)(rdev >> 8), (short)(rdev & 0xff));
134}
135
136static void add_new_file(char *name, char *path, unsigned long uid,
137 unsigned long gid, unsigned long mode)
138{
139// printf("File: %s %s UID: %ld GID: %ld MODE: %ld\n",
140// path, name, gid, uid, mode);
141}
142
143
144/* device table entries take the form of:
145 <path> <type> <mode> <uid> <gid> <major> <minor> <start> <inc> <count>
146 /dev/mem c 640 0 0 1 1 0 0 -
147
148 type can be one of:
149 f A regular file
150 d Directory
151 c Character special device file
152 b Block special device file
153 p Fifo (named pipe)
154
155 I don't bother with symlinks (permissions are irrelevant), hard
156 links (special cases of regular files), or sockets (why bother).
157
158 Regular files must exist in the target root directory. If a char,
159 block, fifo, or directory does not exist, it will be created.
160*/
161static int interpret_table_entry(char *line)
162{
163 char *name;
164 char path[4096], type;
165 unsigned long mode = 0755, uid = 0, gid = 0, major = 0, minor = 0;
166 unsigned long start = 0, increment = 1, count = 0;
167
168 if (0 > sscanf(line, "%40s %c %lo %lu %lu %lu %lu %lu %lu %lu", path,
169 &type, &mode, &uid, &gid, &major, &minor, &start,
170 &increment, &count))
171 {
172 return 1;
173 }
174
175 if (!strcmp(path, "/")) {
176 error_msg_and_die("Device table entries require absolute paths");
177 }
178 name = xstrdup(path + 1);
179 sprintf(path, "%s/%s\0", rootdir, name);
180
181 switch (type) {
182 case 'd':
183 mode |= S_IFDIR;
184 add_new_directory(name, path, uid, gid, mode);
185 break;
186 case 'f':
187 mode |= S_IFREG;
188 add_new_file(name, path, uid, gid, mode);
189 break;
190 case 'p':
191 mode |= S_IFIFO;
192 add_new_file(name, path, uid, gid, mode);
193 break;
194 case 'c':
195 case 'b':
196 mode |= (type == 'c') ? S_IFCHR : S_IFBLK;
197 if (count > 0) {
198 int i;
199 dev_t rdev;
200 char buf[80];
201
202 for (i = start; i < count; i++) {
203 sprintf(buf, "%s%d", name, i);
204 /* FIXME: MKDEV uses illicit insider knowledge of kernel
205 * major/minor representation... */
206 rdev = MKDEV(major, minor + (i * increment - start));
207 add_new_device(buf, path, uid, gid, mode, rdev);
208 }
209 } else {
210 /* FIXME: MKDEV uses illicit insider knowledge of kernel
211 * major/minor representation... */
212 dev_t rdev = MKDEV(major, minor);
213
214 add_new_device(name, path, uid, gid, mode, rdev);
215 }
216 break;
217 default:
218 error_msg_and_die("Unsupported file type");
219 }
220 if (name) free(name);
221 return 0;
222}
223
224
225static void parse_device_table(FILE * file)
226{
227 char *line;
228 size_t length = 256;
229 int len = 0;
230
231 /* Looks ok so far. The general plan now is to read in one
232 * line at a time, check for leading comment delimiters ('#'),
233 * then try and parse the line as a device table. If we fail
234 * to parse things, try and help the poor fool to fix their
235 * device table with a useful error msg... */
236
237 if((line = (char *)malloc(length)) == NULL) {
238 fclose(file);
239 return;
240 }
241
242 while ((len = getline(&line, &length, file)) != -1) {
243 /* First trim off any whitespace */
244
245 /* trim trailing whitespace */
246 while (len > 0 && isspace(line[len - 1]))
247 line[--len] = '\0';
248
249 /* trim leading whitespace */
250 memmove(line, &line[strspn(line, " \n\r\t\v")], len + 1);
251
252 /* If this is NOT a comment line, try to interpret it */
253 if (*line != '#') interpret_table_entry(line);
254 }
255 if (line) free(line);
256
257 fclose(file);
258}
259
260static int go(char *dname, FILE * devtable)
261{
262 struct stat sb;
263
264 if (lstat(dname, &sb)) {
265 perror_msg_and_die("%s", dname);
266 }
267 if (chdir(dname))
268 perror_msg_and_die("%s", dname);
269
270 if (devtable)
271 parse_device_table(devtable);
272
273 return 0;
274}
275
276
277static struct option long_options[] = {
278 {"root", 1, NULL, 'r'},
279 {"help", 0, NULL, 'h'},
280 {"squash", 0, NULL, 'q'},
281 {"version", 0, NULL, 'v'},
282 {"devtable", 1, NULL, 'D'},
283 {NULL, 0, NULL, 0}
284};
285
286static char *helptext =
287 "Usage: makedevs [OPTIONS]\n"
288 "Build entries based upon device_table.txt\n\n"
289 "Options:\n"
290 " -r, -d, --root=DIR Build filesystem from directory DIR (default: cwd)\n"
291 " -D, --devtable=FILE Use the named FILE as a device table file\n"
292 " -q, --squash Squash permissions and owners making all files be owned by root\n"
293 " -h, --help Display this help text\n"
294 " -v, --version Display version information\n\n";
295
296
297static char *revtext = "$Revision: 0.1 $";
298
299int main(int argc, char **argv)
300{
301 int c, opt;
302 extern char *optarg;
303 struct stat statbuf;
304 FILE *devtable = NULL;
305
306 umask (0);
307
308 while ((opt = getopt_long(argc, argv, "D:d:r:qhv",
309 long_options, &c)) >= 0) {
310 switch (opt) {
311 case 'D':
312 devtable = xfopen(optarg, "r");
313 if (fstat(fileno(devtable), &statbuf) < 0)
314 perror_msg_and_die(optarg);
315 if (statbuf.st_size < 10)
316 error_msg_and_die("%s: not a proper device table file", optarg);
317 break;
318 case 'h':
319 fprintf(stderr, helptext);
320 exit(1);
321 case 'r':
322 case 'd': /* for compatibility with mkfs.jffs, genext2fs, etc... */
323 if (rootdir != default_rootdir) {
324 error_msg_and_die("root directory specified more than once");
325 }
326 rootdir = xstrdup(optarg);
327 break;
328
329 case 'v':
330 fprintf(stderr, "makedevs revision %.*s\n",
331 (int) strlen(revtext) - 13, revtext + 11);
332 exit(1);
333 }
334 }
335
336 go(rootdir, devtable);
337 return 0;
338}
diff --git a/meta/packages/makedevs/makedevs-native_1.0.0.bb b/meta/packages/makedevs/makedevs-native_1.0.0.bb
new file mode 100644
index 0000000000..1a79403550
--- /dev/null
+++ b/meta/packages/makedevs/makedevs-native_1.0.0.bb
@@ -0,0 +1,10 @@
1SECTION = "base"
2include makedevs_${PV}.bb
3inherit native
4
5FILESDIR = "${@os.path.dirname(bb.data.getVar('FILE',d,1))}/makedevs-${PV}"
6
7do_stage() {
8 install -d ${STAGING_BINDIR}/
9 install -m 0755 ${S}/makedevs ${STAGING_BINDIR}/
10}
diff --git a/meta/packages/makedevs/makedevs_1.0.0.bb b/meta/packages/makedevs/makedevs_1.0.0.bb
new file mode 100644
index 0000000000..f6c1ffbfa1
--- /dev/null
+++ b/meta/packages/makedevs/makedevs_1.0.0.bb
@@ -0,0 +1,20 @@
1DESCRIPTION = "A tool to make device nodes"
2LICENSE = "GPL"
3SECTION = "base"
4PRIORITY = "required"
5SRC_URI = "file://makedevs.c"
6S = "${WORKDIR}/makedevs-${PV}"
7PR = "r2"
8
9do_configure() {
10 install -m 0644 ${WORKDIR}/makedevs.c ${S}/
11}
12
13do_compile() {
14 ${CC} ${CFLAGS} -o ${S}/makedevs ${S}/makedevs.c
15}
16
17do_install() {
18 install -d ${D}${base_sbindir}
19 install -m 0755 ${S}/makedevs ${D}${base_sbindir}/makedevs
20}