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Commit | Line | Data |
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1ffd7fd2 | 1 | /* |
ae665a52 | 2 | * m_ipt.c iptables based targets |
1ffd7fd2 | 3 | * utilities mostly ripped from iptables <duh, its the linux way> |
4 | * | |
5 | * This program is free software; you can distribute it and/or | |
6 | * modify it under the terms of the GNU General Public License | |
7 | * as published by the Free Software Foundation; either version | |
8 | * 2 of the License, or (at your option) any later version. | |
9 | * | |
ae665a52 | 10 | * Authors: J Hadi Salim (hadi@cyberus.ca) |
de539ecf | 11 | */ |
1ffd7fd2 | 12 | |
13 | #include <syslog.h> | |
14 | #include <sys/socket.h> | |
15 | #include <netinet/in.h> | |
16 | #include <arpa/inet.h> | |
f7cd9b03 | 17 | #include <linux/if.h> |
1ffd7fd2 | 18 | #include <iptables.h> |
ece02ea0 | 19 | #include <linux/netfilter.h> |
1ffd7fd2 | 20 | #include <linux/netfilter_ipv4/ip_tables.h> |
21 | #include "utils.h" | |
22 | #include "tc_util.h" | |
23 | #include <linux/tc_act/tc_ipt.h> | |
24 | #include <stdio.h> | |
25 | #include <dlfcn.h> | |
26 | #include <getopt.h> | |
27 | #include <errno.h> | |
28 | #include <string.h> | |
29 | #include <netdb.h> | |
30 | #include <stdlib.h> | |
31 | #include <ctype.h> | |
32 | #include <stdarg.h> | |
33 | #include <limits.h> | |
34 | #include <unistd.h> | |
35 | #include <fcntl.h> | |
36 | #include <sys/wait.h> | |
37 | ||
95dd5950 MF |
38 | static const char *pname = "tc-ipt"; |
39 | static const char *tname = "mangle"; | |
40 | static const char *pversion = "0.1"; | |
1ffd7fd2 | 41 | |
42 | static const char *ipthooks[] = { | |
43 | "NF_IP_PRE_ROUTING", | |
44 | "NF_IP_LOCAL_IN", | |
45 | "NF_IP_FORWARD", | |
46 | "NF_IP_LOCAL_OUT", | |
47 | "NF_IP_POST_ROUTING", | |
48 | }; | |
49 | ||
50 | static struct option original_opts[] = { | |
51 | {"jump", 1, 0, 'j'}, | |
52 | {0, 0, 0, 0} | |
53 | }; | |
54 | ||
55 | static struct iptables_target *t_list = NULL; | |
6d4662d4 | 56 | static struct option *opts = original_opts; |
1ffd7fd2 | 57 | static unsigned int global_option_offset = 0; |
58 | #define OPTION_OFFSET 256 | |
59 | ||
de539ecf | 60 | char *lib_dir; |
1ffd7fd2 | 61 | |
62 | void | |
63 | register_target(struct iptables_target *me) | |
64 | { | |
65 | /* fprintf(stderr, "\nDummy register_target %s \n", me->name); | |
66 | */ | |
67 | me->next = t_list; | |
68 | t_list = me; | |
69 | ||
70 | } | |
1ffd7fd2 | 71 | |
53c01788 DF |
72 | void |
73 | xtables_register_target(struct iptables_target *me) | |
74 | { | |
75 | me->next = t_list; | |
76 | t_list = me; | |
77 | } | |
78 | ||
1ffd7fd2 | 79 | void |
80 | exit_tryhelp(int status) | |
81 | { | |
82 | fprintf(stderr, "Try `%s -h' or '%s --help' for more information.\n", | |
83 | pname, pname); | |
84 | exit(status); | |
85 | } | |
86 | ||
87 | void | |
88 | exit_error(enum exittype status, char *msg, ...) | |
89 | { | |
90 | va_list args; | |
91 | ||
92 | va_start(args, msg); | |
93 | fprintf(stderr, "%s v%s: ", pname, pversion); | |
94 | vfprintf(stderr, msg, args); | |
95 | va_end(args); | |
96 | fprintf(stderr, "\n"); | |
97 | if (status == PARAMETER_PROBLEM) | |
98 | exit_tryhelp(status); | |
99 | if (status == VERSION_PROBLEM) | |
100 | fprintf(stderr, | |
101 | "Perhaps iptables or your kernel needs to be upgraded.\n"); | |
102 | exit(status); | |
103 | } | |
104 | ||
105 | /* stolen from iptables 1.2.11 | |
106 | They should really have them as a library so i can link to them | |
107 | Email them next time i remember | |
108 | */ | |
109 | ||
110 | char * | |
111 | addr_to_dotted(const struct in_addr *addrp) | |
112 | { | |
113 | static char buf[20]; | |
114 | const unsigned char *bytep; | |
115 | ||
116 | bytep = (const unsigned char *) &(addrp->s_addr); | |
117 | sprintf(buf, "%d.%d.%d.%d", bytep[0], bytep[1], bytep[2], bytep[3]); | |
118 | return buf; | |
119 | } | |
120 | ||
ae665a52 | 121 | int string_to_number_ll(const char *s, unsigned long long min, |
1ffd7fd2 | 122 | unsigned long long max, |
123 | unsigned long long *ret) | |
124 | { | |
125 | unsigned long long number; | |
126 | char *end; | |
127 | ||
128 | /* Handle hex, octal, etc. */ | |
129 | errno = 0; | |
130 | number = strtoull(s, &end, 0); | |
131 | if (*end == '\0' && end != s) { | |
132 | /* we parsed a number, let's see if we want this */ | |
133 | if (errno != ERANGE && min <= number && (!max || number <= max)) { | |
134 | *ret = number; | |
135 | return 0; | |
136 | } | |
137 | } | |
138 | return -1; | |
139 | } | |
140 | ||
141 | int string_to_number_l(const char *s, unsigned long min, unsigned long max, | |
142 | unsigned long *ret) | |
143 | { | |
144 | int result; | |
145 | unsigned long long number; | |
146 | ||
147 | result = string_to_number_ll(s, min, max, &number); | |
148 | *ret = (unsigned long)number; | |
149 | ||
150 | return result; | |
151 | } | |
152 | ||
153 | int string_to_number(const char *s, unsigned int min, unsigned int max, | |
154 | unsigned int *ret) | |
155 | { | |
156 | int result; | |
157 | unsigned long number; | |
158 | ||
159 | result = string_to_number_l(s, min, max, &number); | |
160 | *ret = (unsigned int)number; | |
161 | ||
162 | return result; | |
163 | } | |
164 | ||
6d4662d4 | 165 | static void free_opts(struct option *opts) |
1ffd7fd2 | 166 | { |
6d4662d4 SH |
167 | if (opts != original_opts) { |
168 | free(opts); | |
169 | opts = original_opts; | |
170 | global_option_offset = 0; | |
171 | } | |
1ffd7fd2 | 172 | } |
173 | ||
174 | static struct option * | |
175 | merge_options(struct option *oldopts, const struct option *newopts, | |
176 | unsigned int *option_offset) | |
177 | { | |
178 | struct option *merge; | |
179 | unsigned int num_old, num_new, i; | |
180 | ||
181 | for (num_old = 0; oldopts[num_old].name; num_old++) ; | |
182 | for (num_new = 0; newopts[num_new].name; num_new++) ; | |
183 | ||
184 | *option_offset = global_option_offset + OPTION_OFFSET; | |
185 | ||
186 | merge = malloc(sizeof (struct option) * (num_new + num_old + 1)); | |
187 | memcpy(merge, oldopts, num_old * sizeof (struct option)); | |
188 | for (i = 0; i < num_new; i++) { | |
189 | merge[num_old + i] = newopts[i]; | |
190 | merge[num_old + i].val += *option_offset; | |
191 | } | |
192 | memset(merge + num_old + num_new, 0, sizeof (struct option)); | |
193 | ||
194 | return merge; | |
195 | } | |
196 | ||
197 | static void * | |
198 | fw_calloc(size_t count, size_t size) | |
199 | { | |
200 | void *p; | |
201 | ||
202 | if ((p = (void *) calloc(count, size)) == NULL) { | |
203 | perror("iptables: calloc failed"); | |
204 | exit(1); | |
205 | } | |
206 | return p; | |
207 | } | |
208 | ||
1ffd7fd2 | 209 | static struct iptables_target * |
210 | find_t(char *name) | |
211 | { | |
212 | struct iptables_target *m; | |
213 | for (m = t_list; m; m = m->next) { | |
214 | if (strcmp(m->name, name) == 0) | |
215 | return m; | |
216 | } | |
217 | ||
218 | return NULL; | |
219 | } | |
220 | ||
221 | static struct iptables_target * | |
de539ecf | 222 | get_target_name(const char *name) |
1ffd7fd2 | 223 | { |
224 | void *handle; | |
225 | char *error; | |
226 | char *new_name, *lname; | |
227 | struct iptables_target *m; | |
de539ecf | 228 | char path[strlen(lib_dir) + sizeof ("/libipt_.so") + strlen(name)]; |
1ffd7fd2 | 229 | |
230 | new_name = malloc(strlen(name) + 1); | |
231 | lname = malloc(strlen(name) + 1); | |
232 | if (new_name) | |
233 | memset(new_name, '\0', strlen(name) + 1); | |
234 | else | |
235 | exit_error(PARAMETER_PROBLEM, "get_target_name"); | |
236 | ||
237 | if (lname) | |
238 | memset(lname, '\0', strlen(name) + 1); | |
239 | else | |
240 | exit_error(PARAMETER_PROBLEM, "get_target_name"); | |
241 | ||
242 | strcpy(new_name, name); | |
243 | strcpy(lname, name); | |
244 | ||
245 | if (isupper(lname[0])) { | |
246 | int i; | |
247 | for (i = 0; i < strlen(name); i++) { | |
248 | lname[i] = tolower(lname[i]); | |
249 | } | |
250 | } | |
251 | ||
252 | if (islower(new_name[0])) { | |
253 | int i; | |
254 | for (i = 0; i < strlen(new_name); i++) { | |
255 | new_name[i] = toupper(new_name[i]); | |
256 | } | |
257 | } | |
258 | ||
53c01788 DF |
259 | /* try libxt_xx first */ |
260 | sprintf(path, "%s/libxt_%s.so", lib_dir, new_name); | |
1ffd7fd2 | 261 | handle = dlopen(path, RTLD_LAZY); |
262 | if (!handle) { | |
53c01788 DF |
263 | /* try libipt_xx next */ |
264 | sprintf(path, "%s/libipt_%s.so", lib_dir, new_name); | |
1ffd7fd2 | 265 | handle = dlopen(path, RTLD_LAZY); |
53c01788 DF |
266 | |
267 | if (!handle) { | |
268 | sprintf(path, "%s/libxt_%s.so", lib_dir , lname); | |
269 | handle = dlopen(path, RTLD_LAZY); | |
270 | } | |
271 | ||
272 | if (!handle) { | |
273 | sprintf(path, "%s/libipt_%s.so", lib_dir , lname); | |
274 | handle = dlopen(path, RTLD_LAZY); | |
275 | } | |
276 | /* ok, lets give up .. */ | |
1ffd7fd2 | 277 | if (!handle) { |
278 | fputs(dlerror(), stderr); | |
279 | printf("\n"); | |
6e34e7dc | 280 | free(new_name); |
1ffd7fd2 | 281 | return NULL; |
282 | } | |
283 | } | |
284 | ||
285 | m = dlsym(handle, new_name); | |
286 | if ((error = dlerror()) != NULL) { | |
287 | m = (struct iptables_target *) dlsym(handle, lname); | |
288 | if ((error = dlerror()) != NULL) { | |
289 | m = find_t(new_name); | |
290 | if (NULL == m) { | |
291 | m = find_t(lname); | |
292 | if (NULL == m) { | |
293 | fputs(error, stderr); | |
294 | fprintf(stderr, "\n"); | |
295 | dlclose(handle); | |
6e34e7dc | 296 | free(new_name); |
1ffd7fd2 | 297 | return NULL; |
298 | } | |
299 | } | |
300 | } | |
301 | } | |
302 | ||
6e34e7dc | 303 | free(new_name); |
1ffd7fd2 | 304 | return m; |
305 | } | |
306 | ||
1ffd7fd2 | 307 | |
308 | struct in_addr *dotted_to_addr(const char *dotted) | |
309 | { | |
310 | static struct in_addr addr; | |
311 | unsigned char *addrp; | |
312 | char *p, *q; | |
313 | unsigned int onebyte; | |
314 | int i; | |
315 | char buf[20]; | |
316 | ||
317 | /* copy dotted string, because we need to modify it */ | |
318 | strncpy(buf, dotted, sizeof (buf) - 1); | |
319 | addrp = (unsigned char *) &(addr.s_addr); | |
320 | ||
321 | p = buf; | |
322 | for (i = 0; i < 3; i++) { | |
323 | if ((q = strchr(p, '.')) == NULL) | |
324 | return (struct in_addr *) NULL; | |
325 | ||
326 | *q = '\0'; | |
327 | if (string_to_number(p, 0, 255, &onebyte) == -1) | |
328 | return (struct in_addr *) NULL; | |
329 | ||
330 | addrp[i] = (unsigned char) onebyte; | |
331 | p = q + 1; | |
332 | } | |
333 | ||
334 | /* we've checked 3 bytes, now we check the last one */ | |
335 | if (string_to_number(p, 0, 255, &onebyte) == -1) | |
336 | return (struct in_addr *) NULL; | |
337 | ||
338 | addrp[3] = (unsigned char) onebyte; | |
339 | ||
340 | return &addr; | |
341 | } | |
342 | ||
894b1c66 | 343 | static void set_revision(char *name, u_int8_t revision) |
344 | { | |
345 | /* Old kernel sources don't have ".revision" field, | |
346 | * but we stole a byte from name. */ | |
347 | name[IPT_FUNCTION_MAXNAMELEN - 2] = '\0'; | |
348 | name[IPT_FUNCTION_MAXNAMELEN - 1] = revision; | |
349 | } | |
350 | ||
ae665a52 | 351 | /* |
894b1c66 | 352 | * we may need to check for version mismatch |
353 | */ | |
1ffd7fd2 | 354 | int |
355 | build_st(struct iptables_target *target, struct ipt_entry_target *t) | |
356 | { | |
357 | unsigned int nfcache = 0; | |
358 | ||
359 | if (target) { | |
360 | size_t size; | |
361 | ||
362 | size = | |
363 | IPT_ALIGN(sizeof (struct ipt_entry_target)) + target->size; | |
364 | ||
365 | if (NULL == t) { | |
366 | target->t = fw_calloc(1, size); | |
1ffd7fd2 | 367 | target->t->u.target_size = size; |
894b1c66 | 368 | |
369 | if (target->init != NULL) | |
370 | target->init(target->t, &nfcache); | |
371 | set_revision(target->t->u.user.name, target->revision); | |
1ffd7fd2 | 372 | } else { |
373 | target->t = t; | |
374 | } | |
375 | strcpy(target->t->u.user.name, target->name); | |
376 | return 0; | |
377 | } | |
378 | ||
379 | return -1; | |
380 | } | |
381 | ||
ae665a52 | 382 | static int parse_ipt(struct action_util *a,int *argc_p, |
1ffd7fd2 | 383 | char ***argv_p, int tca_id, struct nlmsghdr *n) |
384 | { | |
385 | struct iptables_target *m = NULL; | |
386 | struct ipt_entry fw; | |
387 | struct rtattr *tail; | |
388 | int c; | |
389 | int rargc = *argc_p; | |
390 | char **argv = *argv_p; | |
1ffd7fd2 | 391 | int argc = 0, iargc = 0; |
392 | char k[16]; | |
393 | int res = -1; | |
394 | int size = 0; | |
395 | int iok = 0, ok = 0; | |
396 | __u32 hook = 0, index = 0; | |
397 | res = 0; | |
398 | ||
de539ecf SH |
399 | lib_dir = getenv("IPTABLES_LIB_DIR"); |
400 | if (!lib_dir) | |
401 | lib_dir = IPT_LIB_DIR; | |
402 | ||
1ffd7fd2 | 403 | { |
404 | int i; | |
405 | for (i = 0; i < rargc; i++) { | |
406 | if (NULL == argv[i] || 0 == strcmp(argv[i], "action")) { | |
407 | break; | |
408 | } | |
409 | } | |
410 | iargc = argc = i; | |
411 | } | |
412 | ||
413 | if (argc <= 2) { | |
414 | fprintf(stderr,"bad arguements to ipt %d vs %d \n", argc, rargc); | |
415 | return -1; | |
416 | } | |
417 | ||
1ffd7fd2 | 418 | while (1) { |
419 | c = getopt_long(argc, argv, "j:", opts, NULL); | |
420 | if (c == -1) | |
421 | break; | |
422 | switch (c) { | |
423 | case 'j': | |
424 | m = get_target_name(optarg); | |
425 | if (NULL != m) { | |
426 | ||
427 | if (0 > build_st(m, NULL)) { | |
428 | printf(" %s error \n", m->name); | |
429 | return -1; | |
430 | } | |
431 | opts = | |
432 | merge_options(opts, m->extra_opts, | |
433 | &m->option_offset); | |
434 | } else { | |
435 | fprintf(stderr," failed to find target %s\n\n", optarg); | |
436 | return -1; | |
437 | } | |
438 | ok++; | |
439 | break; | |
440 | ||
441 | default: | |
442 | memset(&fw, 0, sizeof (fw)); | |
443 | if (m) { | |
1ffd7fd2 | 444 | m->parse(c - m->option_offset, argv, 0, |
6d4662d4 | 445 | &m->tflags, NULL, &m->t); |
1ffd7fd2 | 446 | } else { |
447 | fprintf(stderr," failed to find target %s\n\n", optarg); | |
448 | return -1; | |
449 | ||
450 | } | |
451 | ok++; | |
1ffd7fd2 | 452 | break; |
453 | ||
454 | } | |
455 | } | |
456 | ||
457 | if (iargc > optind) { | |
458 | if (matches(argv[optind], "index") == 0) { | |
459 | if (get_u32(&index, argv[optind + 1], 10)) { | |
460 | fprintf(stderr, "Illegal \"index\"\n"); | |
6d4662d4 | 461 | free_opts(opts); |
1ffd7fd2 | 462 | return -1; |
463 | } | |
464 | iok++; | |
465 | ||
466 | optind += 2; | |
467 | } | |
468 | } | |
469 | ||
470 | if (!ok && !iok) { | |
471 | fprintf(stderr," ipt Parser BAD!! (%s)\n", *argv); | |
472 | return -1; | |
473 | } | |
474 | ||
6d4662d4 SH |
475 | /* check that we passed the correct parameters to the target */ |
476 | if (m) | |
477 | m->final_check(m->tflags); | |
478 | ||
1ffd7fd2 | 479 | { |
480 | struct tcmsg *t = NLMSG_DATA(n); | |
481 | if (t->tcm_parent != TC_H_ROOT | |
482 | && t->tcm_parent == TC_H_MAJ(TC_H_INGRESS)) { | |
483 | hook = NF_IP_PRE_ROUTING; | |
484 | } else { | |
485 | hook = NF_IP_POST_ROUTING; | |
486 | } | |
487 | } | |
488 | ||
fc78a8e9 | 489 | tail = NLMSG_TAIL(n); |
1ffd7fd2 | 490 | addattr_l(n, MAX_MSG, tca_id, NULL, 0); |
491 | fprintf(stdout, "tablename: %s hook: %s\n ", tname, ipthooks[hook]); | |
492 | fprintf(stdout, "\ttarget: "); | |
493 | ||
494 | if (m) | |
495 | m->print(NULL, m->t, 0); | |
496 | fprintf(stdout, " index %d\n", index); | |
497 | ||
498 | if (strlen(tname) > 16) { | |
499 | size = 16; | |
500 | k[15] = 0; | |
501 | } else { | |
502 | size = 1 + strlen(tname); | |
503 | } | |
504 | strncpy(k, tname, size); | |
505 | ||
506 | addattr_l(n, MAX_MSG, TCA_IPT_TABLE, k, size); | |
507 | addattr_l(n, MAX_MSG, TCA_IPT_HOOK, &hook, 4); | |
508 | addattr_l(n, MAX_MSG, TCA_IPT_INDEX, &index, 4); | |
509 | if (m) | |
510 | addattr_l(n, MAX_MSG, TCA_IPT_TARG, m->t, m->t->u.target_size); | |
fc78a8e9 | 511 | tail->rta_len = (void *) NLMSG_TAIL(n) - (void *) tail; |
1ffd7fd2 | 512 | |
513 | argc -= optind; | |
514 | argv += optind; | |
515 | *argc_p = rargc - iargc; | |
516 | *argv_p = argv; | |
ae665a52 | 517 | |
6e34e7dc | 518 | optind = 0; |
6d4662d4 | 519 | free_opts(opts); |
6e34e7dc DF |
520 | /* Clear flags if target will be used again */ |
521 | m->tflags=0; | |
522 | m->used=0; | |
523 | /* Free allocated memory */ | |
524 | if (m->t) | |
525 | free(m->t); | |
526 | ||
1ffd7fd2 | 527 | |
528 | return 0; | |
529 | ||
530 | } | |
531 | ||
532 | static int | |
533 | print_ipt(struct action_util *au,FILE * f, struct rtattr *arg) | |
534 | { | |
535 | struct rtattr *tb[TCA_IPT_MAX + 1]; | |
536 | struct ipt_entry_target *t = NULL; | |
1ffd7fd2 | 537 | |
538 | if (arg == NULL) | |
539 | return -1; | |
540 | ||
c6ab5b82 PM |
541 | lib_dir = getenv("IPTABLES_LIB_DIR"); |
542 | if (!lib_dir) | |
543 | lib_dir = IPT_LIB_DIR; | |
544 | ||
78934000 | 545 | parse_rtattr_nested(tb, TCA_IPT_MAX, arg); |
1ffd7fd2 | 546 | |
547 | if (tb[TCA_IPT_TABLE] == NULL) { | |
548 | fprintf(f, "[NULL ipt table name ] assuming mangle "); | |
549 | } else { | |
550 | fprintf(f, "tablename: %s ", | |
551 | (char *) RTA_DATA(tb[TCA_IPT_TABLE])); | |
552 | } | |
553 | ||
554 | if (tb[TCA_IPT_HOOK] == NULL) { | |
555 | fprintf(f, "[NULL ipt hook name ]\n "); | |
556 | return -1; | |
557 | } else { | |
558 | __u32 hook; | |
559 | hook = *(__u32 *) RTA_DATA(tb[TCA_IPT_HOOK]); | |
560 | fprintf(f, " hook: %s \n", ipthooks[hook]); | |
561 | } | |
562 | ||
563 | if (tb[TCA_IPT_TARG] == NULL) { | |
564 | fprintf(f, "\t[NULL ipt target parameters ] \n"); | |
565 | return -1; | |
566 | } else { | |
567 | struct iptables_target *m = NULL; | |
568 | t = RTA_DATA(tb[TCA_IPT_TARG]); | |
569 | m = get_target_name(t->u.user.name); | |
570 | if (NULL != m) { | |
571 | if (0 > build_st(m, t)) { | |
572 | fprintf(stderr, " %s error \n", m->name); | |
573 | return -1; | |
574 | } | |
575 | ||
576 | opts = | |
577 | merge_options(opts, m->extra_opts, | |
578 | &m->option_offset); | |
579 | } else { | |
580 | fprintf(stderr, " failed to find target %s\n\n", | |
581 | t->u.user.name); | |
582 | return -1; | |
583 | } | |
584 | fprintf(f, "\ttarget "); | |
585 | m->print(NULL, m->t, 0); | |
586 | if (tb[TCA_IPT_INDEX] == NULL) { | |
587 | fprintf(f, " [NULL ipt target index ]\n"); | |
588 | } else { | |
589 | __u32 index; | |
590 | index = *(__u32 *) RTA_DATA(tb[TCA_IPT_INDEX]); | |
591 | fprintf(f, " \n\tindex %d", index); | |
592 | } | |
593 | ||
594 | if (tb[TCA_IPT_CNT]) { | |
595 | struct tc_cnt *c = RTA_DATA(tb[TCA_IPT_CNT]);; | |
596 | fprintf(f, " ref %d bind %d", c->refcnt, c->bindcnt); | |
597 | } | |
598 | if (show_stats) { | |
599 | if (tb[TCA_IPT_TM]) { | |
600 | struct tcf_t *tm = RTA_DATA(tb[TCA_IPT_TM]); | |
601 | print_tm(f,tm); | |
602 | } | |
ae665a52 | 603 | } |
1ffd7fd2 | 604 | fprintf(f, " \n"); |
605 | ||
606 | } | |
6d4662d4 | 607 | free_opts(opts); |
1ffd7fd2 | 608 | |
609 | return 0; | |
610 | } | |
611 | ||
612 | struct action_util ipt_action_util = { | |
613 | .id = "ipt", | |
614 | .parse_aopt = parse_ipt, | |
615 | .print_aopt = print_ipt, | |
616 | }; | |
617 |