Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 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 | #define MAX_ID_LEN 40 |
| 20 | #define MAX_NAME_LEN 40 |
| 21 | #ifndef PATH_MAX |
| 22 | #define PATH_MAX 4096 |
| 23 | #endif |
| 24 | #define VERSION "1.0.1" |
| 25 | |
| 26 | /* These are all stolen from busybox's libbb to make |
| 27 | * error handling simpler (and since I maintain busybox, |
| 28 | * I'm rather partial to these for error handling). |
| 29 | * -Erik |
| 30 | */ |
| 31 | static const char *const app_name = "makedevs"; |
| 32 | static const char *const memory_exhausted = "memory exhausted"; |
| 33 | static char default_rootdir[]="."; |
| 34 | static char *rootdir = default_rootdir; |
| 35 | static int trace = 0; |
| 36 | |
| 37 | struct name_id { |
| 38 | char name[MAX_NAME_LEN+1]; |
| 39 | unsigned long id; |
| 40 | struct name_id *next; |
| 41 | }; |
| 42 | |
| 43 | static struct name_id *usr_list = NULL; |
| 44 | static struct name_id *grp_list = NULL; |
| 45 | |
| 46 | static void verror_msg(const char *s, va_list p) |
| 47 | { |
| 48 | fflush(stdout); |
| 49 | fprintf(stderr, "%s: ", app_name); |
| 50 | vfprintf(stderr, s, p); |
| 51 | } |
| 52 | |
| 53 | static void error_msg_and_die(const char *s, ...) |
| 54 | { |
| 55 | va_list p; |
| 56 | |
| 57 | va_start(p, s); |
| 58 | verror_msg(s, p); |
| 59 | va_end(p); |
| 60 | putc('\n', stderr); |
| 61 | exit(EXIT_FAILURE); |
| 62 | } |
| 63 | |
| 64 | static void vperror_msg(const char *s, va_list p) |
| 65 | { |
| 66 | int err = errno; |
| 67 | |
| 68 | if (s == 0) |
| 69 | s = ""; |
| 70 | verror_msg(s, p); |
| 71 | if (*s) |
| 72 | s = ": "; |
| 73 | fprintf(stderr, "%s%s\n", s, strerror(err)); |
| 74 | } |
| 75 | |
| 76 | static void perror_msg_and_die(const char *s, ...) |
| 77 | { |
| 78 | va_list p; |
| 79 | |
| 80 | va_start(p, s); |
| 81 | vperror_msg(s, p); |
| 82 | va_end(p); |
| 83 | exit(EXIT_FAILURE); |
| 84 | } |
| 85 | |
| 86 | static FILE *xfopen(const char *path, const char *mode) |
| 87 | { |
| 88 | FILE *fp; |
| 89 | |
| 90 | if ((fp = fopen(path, mode)) == NULL) |
| 91 | perror_msg_and_die("%s", path); |
| 92 | return fp; |
| 93 | } |
| 94 | |
| 95 | static char *xstrdup(const char *s) |
| 96 | { |
| 97 | char *t; |
| 98 | |
| 99 | if (s == NULL) |
| 100 | return NULL; |
| 101 | |
| 102 | t = strdup(s); |
| 103 | |
| 104 | if (t == NULL) |
| 105 | error_msg_and_die(memory_exhausted); |
| 106 | |
| 107 | return t; |
| 108 | } |
| 109 | |
| 110 | static struct name_id* alloc_node(void) |
| 111 | { |
| 112 | struct name_id *node; |
| 113 | node = (struct name_id*)malloc(sizeof(struct name_id)); |
| 114 | if (node == NULL) { |
| 115 | error_msg_and_die(memory_exhausted); |
| 116 | } |
| 117 | memset((void *)node->name, 0, MAX_NAME_LEN+1); |
| 118 | node->id = 0xffffffff; |
| 119 | node->next = NULL; |
| 120 | return node; |
| 121 | } |
| 122 | |
| 123 | static struct name_id* parse_line(char *line) |
| 124 | { |
| 125 | char *p; |
| 126 | int i; |
| 127 | char id_buf[MAX_ID_LEN+1]; |
| 128 | struct name_id *node; |
| 129 | node = alloc_node(); |
| 130 | p = line; |
| 131 | i = 0; |
| 132 | // Get name field |
| 133 | while (*p != ':') { |
| 134 | if (i > MAX_NAME_LEN) |
| 135 | error_msg_and_die("Name field too long"); |
| 136 | node->name[i++] = *p++; |
| 137 | } |
| 138 | node->name[i] = '\0'; |
| 139 | p++; |
| 140 | // Skip the second field |
| 141 | while (*p != ':') |
| 142 | p++; |
| 143 | p++; |
| 144 | // Get id field |
| 145 | i = 0; |
| 146 | while (*p != ':') { |
| 147 | if (i > MAX_ID_LEN) |
| 148 | error_msg_and_die("ID filed too long"); |
| 149 | id_buf[i++] = *p++; |
| 150 | } |
| 151 | id_buf[i] = '\0'; |
| 152 | node->id = atol(id_buf); |
| 153 | return node; |
| 154 | } |
| 155 | |
| 156 | static void get_list_from_file(FILE *file, struct name_id **plist) |
| 157 | { |
| 158 | char *line; |
| 159 | int len = 0; |
| 160 | size_t length = 256; |
| 161 | struct name_id *node, *cur; |
| 162 | |
| 163 | if((line = (char *)malloc(length)) == NULL) { |
| 164 | error_msg_and_die(memory_exhausted); |
| 165 | } |
| 166 | |
| 167 | while ((len = getline(&line, &length, file)) != -1) { |
| 168 | node = parse_line(line); |
| 169 | if (*plist == NULL) { |
| 170 | *plist = node; |
| 171 | cur = *plist; |
| 172 | } else { |
| 173 | cur->next = node; |
| 174 | cur = cur->next; |
| 175 | } |
| 176 | } |
| 177 | |
| 178 | if (line) |
| 179 | free(line); |
| 180 | } |
| 181 | |
| 182 | static unsigned long convert2guid(char *id_buf, struct name_id *search_list) |
| 183 | { |
| 184 | char *p; |
| 185 | int isnum; |
| 186 | struct name_id *node; |
| 187 | p = id_buf; |
| 188 | isnum = 1; |
| 189 | while (*p != '\0') { |
| 190 | if (!isdigit(*p)) { |
| 191 | isnum = 0; |
| 192 | break; |
| 193 | } |
| 194 | p++; |
| 195 | } |
| 196 | if (isnum) { |
| 197 | // Check for bad user/group name |
| 198 | node = search_list; |
| 199 | while (node != NULL) { |
| 200 | if (!strncmp(node->name, id_buf, strlen(id_buf))) { |
| 201 | fprintf(stderr, "WARNING: Bad user/group name %s detected\n", id_buf); |
| 202 | break; |
| 203 | } |
| 204 | node = node->next; |
| 205 | } |
| 206 | return (unsigned long)atol(id_buf); |
| 207 | } else { |
| 208 | node = search_list; |
| 209 | while (node != NULL) { |
| 210 | if (!strncmp(node->name, id_buf, strlen(id_buf))) |
| 211 | return node->id; |
| 212 | node = node->next; |
| 213 | } |
| 214 | error_msg_and_die("No entry for %s in search list", id_buf); |
| 215 | } |
| 216 | } |
| 217 | |
| 218 | static void free_list(struct name_id *list) |
| 219 | { |
| 220 | struct name_id *cur; |
| 221 | cur = list; |
| 222 | while (cur != NULL) { |
| 223 | list = cur; |
| 224 | cur = cur->next; |
| 225 | free(list); |
| 226 | } |
| 227 | } |
| 228 | |
| 229 | static void add_new_directory(char *name, char *path, |
| 230 | unsigned long uid, unsigned long gid, unsigned long mode) |
| 231 | { |
| 232 | if (trace) |
Brad Bishop | 64c979e | 2019-11-04 13:55:29 -0500 | [diff] [blame] | 233 | fprintf(stderr, "Directory: %s %s UID: %lu GID %lu MODE: %04lo", path, name, uid, gid, mode); |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 234 | |
| 235 | if (mkdir(path, mode) < 0) { |
| 236 | if (EEXIST == errno) { |
| 237 | /* Unconditionally apply the mode setting to the existing directory. |
| 238 | * XXX should output something when trace */ |
| 239 | chmod(path, mode & ~S_IFMT); |
| 240 | } |
| 241 | } |
| 242 | if (trace) |
| 243 | putc('\n', stderr); |
| 244 | chown(path, uid, gid); |
| 245 | } |
| 246 | |
| 247 | static void add_new_device(char *name, char *path, unsigned long uid, |
| 248 | unsigned long gid, unsigned long mode, dev_t rdev) |
| 249 | { |
| 250 | int status; |
| 251 | struct stat sb; |
| 252 | |
| 253 | if (trace) { |
Brad Bishop | 64c979e | 2019-11-04 13:55:29 -0500 | [diff] [blame] | 254 | fprintf(stderr, "Device: %s %s UID: %lu GID: %lu MODE: %04lo MAJOR: %d MINOR: %d", |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 255 | path, name, uid, gid, mode, (short)(rdev >> 8), (short)(rdev & 0xff)); |
| 256 | } |
| 257 | |
| 258 | memset(&sb, 0, sizeof(struct stat)); |
| 259 | status = lstat(path, &sb); |
| 260 | if (status >= 0) { |
| 261 | /* It is ok for some types of files to not exit on disk (such as |
| 262 | * device nodes), but if they _do_ exist, the file type bits had |
| 263 | * better match those of the actual file or strange things will happen... */ |
| 264 | if ((mode & S_IFMT) != (sb.st_mode & S_IFMT)) { |
| 265 | if (trace) |
| 266 | putc('\n', stderr); |
| 267 | error_msg_and_die("%s: existing file (04%o) type does not match specified file type (04%lo)!", |
| 268 | path, (sb.st_mode & S_IFMT), (mode & S_IFMT)); |
| 269 | } |
| 270 | if (mode != sb.st_mode) { |
| 271 | if (trace) |
| 272 | fprintf(stderr, " -- applying new mode 04%lo (old was 04%o)\n", mode & ~S_IFMT, sb.st_mode & ~S_IFMT); |
| 273 | /* Apply the mode setting to the existing device node */ |
| 274 | chmod(path, mode & ~S_IFMT); |
| 275 | } |
| 276 | else { |
| 277 | if (trace) |
| 278 | fprintf(stderr, " -- extraneous entry in table\n", path); |
| 279 | } |
| 280 | } |
| 281 | else { |
| 282 | mknod(path, mode, rdev); |
| 283 | if (trace) |
| 284 | putc('\n', stderr); |
| 285 | |
| 286 | } |
| 287 | |
| 288 | chown(path, uid, gid); |
| 289 | } |
| 290 | |
| 291 | static void add_new_file(char *name, char *path, unsigned long uid, |
| 292 | unsigned long gid, unsigned long mode) |
| 293 | { |
| 294 | if (trace) { |
Brad Bishop | 64c979e | 2019-11-04 13:55:29 -0500 | [diff] [blame] | 295 | fprintf(stderr, "File: %s %s UID: %lu GID: %lu MODE: %04lo\n", |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 296 | path, name, gid, uid, mode); |
| 297 | } |
| 298 | |
| 299 | int fd = open(path,O_CREAT | O_WRONLY, mode); |
| 300 | if (fd < 0) { |
| 301 | error_msg_and_die("%s: file can not be created!", path); |
| 302 | } else { |
| 303 | close(fd); |
| 304 | } |
| 305 | chmod(path, mode); |
| 306 | chown(path, uid, gid); |
| 307 | } |
| 308 | |
| 309 | |
| 310 | static void add_new_fifo(char *name, char *path, unsigned long uid, |
| 311 | unsigned long gid, unsigned long mode) |
| 312 | { |
| 313 | if (trace) { |
Brad Bishop | 64c979e | 2019-11-04 13:55:29 -0500 | [diff] [blame] | 314 | printf("Fifo: %s %s UID: %lu GID: %lu MODE: %04lo\n", |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 315 | path, name, gid, uid, mode); |
| 316 | } |
| 317 | |
| 318 | int status; |
| 319 | struct stat sb; |
| 320 | |
| 321 | memset(&sb, 0, sizeof(struct stat)); |
| 322 | status = stat(path, &sb); |
| 323 | |
| 324 | |
| 325 | /* Update the mode if we exist and are a fifo already */ |
| 326 | if (status >= 0 && S_ISFIFO(sb.st_mode)) { |
| 327 | chmod(path, mode); |
| 328 | } else { |
| 329 | if (mknod(path, mode, 0)) |
| 330 | error_msg_and_die("%s: file can not be created with mknod!", path); |
| 331 | } |
| 332 | chown(path, uid, gid); |
| 333 | } |
| 334 | |
| 335 | |
| 336 | /* device table entries take the form of: |
| 337 | <path> <type> <mode> <usr> <grp> <major> <minor> <start> <inc> <count> |
| 338 | /dev/mem c 640 0 0 1 1 0 0 - |
| 339 | /dev/zero c 644 root root 1 5 - - - |
| 340 | |
| 341 | type can be one of: |
| 342 | f A regular file |
| 343 | d Directory |
| 344 | c Character special device file |
| 345 | b Block special device file |
| 346 | p Fifo (named pipe) |
| 347 | |
| 348 | I don't bother with symlinks (permissions are irrelevant), hard |
| 349 | links (special cases of regular files), or sockets (why bother). |
| 350 | |
| 351 | Regular files must exist in the target root directory. If a char, |
| 352 | block, fifo, or directory does not exist, it will be created. |
| 353 | */ |
| 354 | static int interpret_table_entry(char *line) |
| 355 | { |
| 356 | char *name; |
| 357 | char usr_buf[MAX_ID_LEN]; |
| 358 | char grp_buf[MAX_ID_LEN]; |
| 359 | char path[4096], type; |
| 360 | unsigned long mode = 0755, uid = 0, gid = 0, major = 0, minor = 0; |
| 361 | unsigned long start = 0, increment = 1, count = 0; |
| 362 | |
Brad Bishop | 64c979e | 2019-11-04 13:55:29 -0500 | [diff] [blame] | 363 | if (0 > sscanf(line, "%4095s %c %lo %39s %39s %lu %lu %lu %lu %lu", path, |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 364 | &type, &mode, usr_buf, grp_buf, &major, &minor, &start, |
| 365 | &increment, &count)) |
| 366 | { |
| 367 | fprintf(stderr, "%s: sscanf returned < 0 for line '%s'\n", app_name, line); |
| 368 | return 1; |
| 369 | } |
| 370 | |
| 371 | uid = convert2guid(usr_buf, usr_list); |
| 372 | gid = convert2guid(grp_buf, grp_list); |
| 373 | |
| 374 | if (strncmp(path, "/", 1)) { |
| 375 | error_msg_and_die("Device table entries require absolute paths"); |
| 376 | } |
| 377 | name = xstrdup(path + 1); |
| 378 | /* prefix path with rootdir */ |
| 379 | sprintf(path, "%s/%s", rootdir, name); |
| 380 | |
| 381 | /* XXX Why is name passed into all of the add_new_*() routines? */ |
| 382 | switch (type) { |
| 383 | case 'd': |
| 384 | mode |= S_IFDIR; |
| 385 | add_new_directory(name, path, uid, gid, mode); |
| 386 | break; |
| 387 | case 'f': |
| 388 | mode |= S_IFREG; |
| 389 | add_new_file(name, path, uid, gid, mode); |
| 390 | break; |
| 391 | case 'p': |
| 392 | mode |= S_IFIFO; |
| 393 | add_new_fifo(name, path, uid, gid, mode); |
| 394 | break; |
| 395 | case 'c': |
| 396 | case 'b': |
| 397 | mode |= (type == 'c') ? S_IFCHR : S_IFBLK; |
| 398 | if (count > 0) { |
| 399 | int i; |
| 400 | dev_t rdev; |
| 401 | char buf[80]; |
| 402 | |
| 403 | for (i = start; i < start + count; i++) { |
| 404 | sprintf(buf, "%s%d", name, i); |
| 405 | sprintf(path, "%s/%s%d", rootdir, name, i); |
| 406 | /* FIXME: MKDEV uses illicit insider knowledge of kernel |
| 407 | * major/minor representation... */ |
| 408 | rdev = MKDEV(major, minor + (i - start) * increment); |
| 409 | sprintf(path, "%s/%s\0", rootdir, buf); |
| 410 | add_new_device(buf, path, uid, gid, mode, rdev); |
| 411 | } |
| 412 | } else { |
| 413 | /* FIXME: MKDEV uses illicit insider knowledge of kernel |
| 414 | * major/minor representation... */ |
| 415 | dev_t rdev = MKDEV(major, minor); |
| 416 | add_new_device(name, path, uid, gid, mode, rdev); |
| 417 | } |
| 418 | break; |
| 419 | default: |
| 420 | error_msg_and_die("Unsupported file type"); |
| 421 | } |
| 422 | if (name) free(name); |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | |
| 427 | static void parse_device_table(FILE * file) |
| 428 | { |
| 429 | char *line; |
| 430 | size_t length = 256; |
| 431 | int len = 0; |
| 432 | |
| 433 | if((line = (char *)malloc(length)) == NULL) { |
| 434 | error_msg_and_die(memory_exhausted); |
| 435 | } |
| 436 | /* Looks ok so far. The general plan now is to read in one |
| 437 | * line at a time, trim off leading and trailing whitespace, |
| 438 | * check for leading comment delimiters ('#') or a blank line, |
| 439 | * then try and parse the line as a device table entry. If we fail |
| 440 | * to parse things, try and help the poor fool to fix their |
| 441 | * device table with a useful error msg... */ |
| 442 | |
| 443 | while ((len = getline(&line, &length, file)) != -1) { |
| 444 | /* First trim off any whitespace */ |
| 445 | |
| 446 | /* trim trailing whitespace */ |
| 447 | while (len > 0 && isspace(line[len - 1])) |
| 448 | line[--len] = '\0'; |
| 449 | |
| 450 | /* trim leading whitespace */ |
| 451 | memmove(line, &line[strspn(line, " \n\r\t\v")], len + 1); |
| 452 | |
| 453 | /* If this is NOT a comment or an empty line, try to interpret it */ |
| 454 | if (*line != '#' && *line != '\0') interpret_table_entry(line); |
| 455 | } |
| 456 | |
| 457 | if (line) |
| 458 | free(line); |
| 459 | } |
| 460 | |
| 461 | static int parse_devtable(FILE * devtable) |
| 462 | { |
| 463 | struct stat sb; |
| 464 | |
| 465 | if (lstat(rootdir, &sb)) { |
| 466 | perror_msg_and_die("%s", rootdir); |
| 467 | } |
| 468 | if (chdir(rootdir)) |
| 469 | perror_msg_and_die("%s", rootdir); |
| 470 | |
| 471 | if (devtable) |
| 472 | parse_device_table(devtable); |
| 473 | |
| 474 | return 0; |
| 475 | } |
| 476 | |
| 477 | |
| 478 | static struct option long_options[] = { |
| 479 | {"root", 1, NULL, 'r'}, |
| 480 | {"help", 0, NULL, 'h'}, |
| 481 | {"trace", 0, NULL, 't'}, |
| 482 | {"version", 0, NULL, 'v'}, |
| 483 | {"devtable", 1, NULL, 'D'}, |
| 484 | {NULL, 0, NULL, 0} |
| 485 | }; |
| 486 | |
| 487 | static char *helptext = |
| 488 | "Usage: makedevs [OPTIONS]\n" |
| 489 | "Build entries based upon device_table.txt\n\n" |
| 490 | "Options:\n" |
| 491 | " -r, -d, --root=DIR Build filesystem from directory DIR (default: cwd)\n" |
| 492 | " -D, --devtable=FILE Use the named FILE as a device table file\n" |
| 493 | " -h, --help Display this help text\n" |
| 494 | " -t, --trace Be verbose\n" |
| 495 | " -v, --version Display version information\n\n"; |
| 496 | |
| 497 | |
| 498 | int main(int argc, char **argv) |
| 499 | { |
| 500 | int c, opt; |
| 501 | extern char *optarg; |
| 502 | struct stat statbuf; |
| 503 | char passwd_path[PATH_MAX]; |
| 504 | char group_path[PATH_MAX]; |
| 505 | FILE *passwd_file = NULL; |
| 506 | FILE *group_file = NULL; |
| 507 | FILE *devtable = NULL; |
| 508 | DIR *dir = NULL; |
| 509 | |
| 510 | umask (0); |
| 511 | |
| 512 | if (argc==1) { |
Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 513 | fputs( helptext , stderr ); |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 514 | exit(1); |
| 515 | } |
| 516 | |
| 517 | while ((opt = getopt_long(argc, argv, "D:d:r:htv", |
| 518 | long_options, &c)) >= 0) { |
| 519 | switch (opt) { |
| 520 | case 'D': |
| 521 | devtable = xfopen(optarg, "r"); |
| 522 | if (fstat(fileno(devtable), &statbuf) < 0) |
| 523 | perror_msg_and_die(optarg); |
| 524 | if (statbuf.st_size < 10) |
| 525 | error_msg_and_die("%s: not a proper device table file", optarg); |
| 526 | break; |
| 527 | case 'h': |
Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 528 | puts(helptext); |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 529 | exit(0); |
| 530 | case 'r': |
| 531 | case 'd': /* for compatibility with mkfs.jffs, genext2fs, etc... */ |
| 532 | if (rootdir != default_rootdir) { |
| 533 | error_msg_and_die("root directory specified more than once"); |
| 534 | } |
| 535 | if ((dir = opendir(optarg)) == NULL) { |
| 536 | perror_msg_and_die(optarg); |
| 537 | } else { |
| 538 | closedir(dir); |
| 539 | } |
| 540 | /* If "/" is specified, use "" because rootdir is always prepended to a |
| 541 | * string that starts with "/" */ |
| 542 | if (0 == strcmp(optarg, "/")) |
| 543 | rootdir = xstrdup(""); |
| 544 | else |
| 545 | rootdir = xstrdup(optarg); |
| 546 | break; |
| 547 | |
| 548 | case 't': |
| 549 | trace = 1; |
| 550 | break; |
| 551 | |
| 552 | case 'v': |
| 553 | printf("%s: %s\n", app_name, VERSION); |
| 554 | exit(0); |
| 555 | default: |
Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 556 | fputs(helptext,stderr); |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 557 | exit(1); |
| 558 | } |
| 559 | } |
| 560 | |
| 561 | if (argv[optind] != NULL) { |
Patrick Williams | c0f7c04 | 2017-02-23 20:41:17 -0600 | [diff] [blame] | 562 | fputs(helptext,stderr); |
Patrick Williams | c124f4f | 2015-09-15 14:41:29 -0500 | [diff] [blame] | 563 | exit(1); |
| 564 | } |
| 565 | |
| 566 | // Get name-id mapping |
| 567 | sprintf(passwd_path, "%s/etc/passwd", rootdir); |
| 568 | sprintf(group_path, "%s/etc/group", rootdir); |
| 569 | if ((passwd_file = fopen(passwd_path, "r")) != NULL) { |
| 570 | get_list_from_file(passwd_file, &usr_list); |
| 571 | fclose(passwd_file); |
| 572 | } |
| 573 | if ((group_file = fopen(group_path, "r")) != NULL) { |
| 574 | get_list_from_file(group_file, &grp_list); |
| 575 | fclose(group_file); |
| 576 | } |
| 577 | |
| 578 | // Parse devtable |
| 579 | if(devtable) { |
| 580 | parse_devtable(devtable); |
| 581 | fclose(devtable); |
| 582 | } |
| 583 | |
| 584 | // Free list |
| 585 | free_list(usr_list); |
| 586 | free_list(grp_list); |
| 587 | |
| 588 | return 0; |
| 589 | } |