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2abb5b3b ZJS |
1 | /*** |
2 | This file is part of systemd. | |
3 | ||
4 | Copyright 2016 Zbigniew Jędrzejewski-Szmek | |
5 | ||
6 | systemd is free software; you can redistribute it and/or modify it | |
7 | under the terms of the GNU Lesser General Public License as published by | |
8 | the Free Software Foundation; either version 2.1 of the License, or | |
9 | (at your option) any later version. | |
10 | ||
11 | systemd is distributed in the hope that it will be useful, but | |
12 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
14 | Lesser General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU Lesser General Public License | |
17 | along with systemd; If not, see <http://www.gnu.org/licenses/>. | |
18 | ***/ | |
19 | ||
20 | #include <dlfcn.h> | |
21 | #include <stdlib.h> | |
22 | #include <net/if.h> | |
23 | ||
24 | #include "log.h" | |
25 | #include "nss-util.h" | |
26 | #include "path-util.h" | |
27 | #include "string-util.h" | |
28 | #include "alloc-util.h" | |
29 | #include "in-addr-util.h" | |
30 | #include "hexdecoct.h" | |
31 | #include "af-list.h" | |
32 | #include "stdio-util.h" | |
33 | #include "strv.h" | |
34 | #include "errno-list.h" | |
35 | #include "hostname-util.h" | |
36 | #include "local-addresses.h" | |
37 | ||
38 | static const char* nss_status_to_string(enum nss_status status, char *buf, size_t buf_len) { | |
39 | switch (status) { | |
40 | case NSS_STATUS_TRYAGAIN: | |
41 | return "NSS_STATUS_TRYAGAIN"; | |
42 | case NSS_STATUS_UNAVAIL: | |
43 | return "NSS_STATUS_UNAVAIL"; | |
44 | case NSS_STATUS_NOTFOUND: | |
45 | return "NSS_STATUS_NOTFOUND"; | |
46 | case NSS_STATUS_SUCCESS: | |
47 | return "NSS_STATUS_SUCCESS"; | |
48 | case NSS_STATUS_RETURN: | |
49 | return "NSS_STATUS_RETURN"; | |
50 | default: | |
51 | snprintf(buf, buf_len, "%i", status); | |
52 | return buf; | |
53 | } | |
54 | }; | |
55 | ||
56 | static const char* af_to_string(int family, char *buf, size_t buf_len) { | |
57 | const char *name; | |
58 | ||
59 | if (family == AF_UNSPEC) | |
60 | return "*"; | |
61 | ||
62 | name = af_to_name(family); | |
63 | if (name) | |
64 | return name; | |
65 | ||
66 | snprintf(buf, buf_len, "%i", family); | |
67 | return buf; | |
68 | } | |
69 | ||
70 | static void* open_handle(const char* dir, const char* module, int flags) { | |
71 | const char *path; | |
72 | void *handle; | |
73 | ||
74 | if (dir) | |
75 | path = strjoina(dir, "/.libs/libnss_", module, ".so.2"); | |
76 | else | |
77 | path = strjoina("libnss_", module, ".so.2"); | |
78 | ||
79 | handle = dlopen(path, flags); | |
9f7672b3 ZJS |
80 | if (!handle) |
81 | log_error("Failed to load module %s: %s", module, dlerror()); | |
2abb5b3b ZJS |
82 | return handle; |
83 | } | |
84 | ||
85 | static int print_gaih_addrtuples(const struct gaih_addrtuple *tuples) { | |
86 | const struct gaih_addrtuple *it; | |
87 | int n = 0; | |
88 | ||
89 | for (it = tuples; it; it = it->next) { | |
90 | _cleanup_free_ char *a = NULL; | |
91 | union in_addr_union u; | |
92 | int r; | |
93 | char family_name[DECIMAL_STR_MAX(int)]; | |
94 | char ifname[IF_NAMESIZE]; | |
95 | ||
96 | memcpy(&u, it->addr, 16); | |
97 | r = in_addr_to_string(it->family, &u, &a); | |
98 | assert_se(r == 0 || r == -EAFNOSUPPORT); | |
99 | if (r == -EAFNOSUPPORT) | |
100 | assert_se((a = hexmem(it->addr, 16))); | |
101 | ||
102 | if (it->scopeid == 0) | |
103 | goto numerical_index; | |
104 | ||
105 | if (if_indextoname(it->scopeid, ifname) == NULL) { | |
106 | log_warning("if_indextoname(%d) failed: %m", it->scopeid); | |
107 | numerical_index: | |
108 | xsprintf(ifname, "%i", it->scopeid); | |
109 | }; | |
110 | ||
111 | log_info(" \"%s\" %s %s %%%s", | |
112 | it->name, | |
113 | af_to_string(it->family, family_name, sizeof family_name), | |
114 | a, | |
115 | ifname); | |
116 | n ++; | |
117 | } | |
118 | return n; | |
119 | } | |
120 | ||
121 | static void print_struct_hostent(struct hostent *host, const char *canon) { | |
122 | char **s; | |
123 | ||
124 | log_info(" \"%s\"", host->h_name); | |
125 | STRV_FOREACH(s, host->h_aliases) | |
126 | log_info(" alias \"%s\"", *s); | |
127 | STRV_FOREACH(s, host->h_addr_list) { | |
128 | union in_addr_union u; | |
129 | _cleanup_free_ char *a = NULL; | |
130 | char family_name[DECIMAL_STR_MAX(int)]; | |
131 | int r; | |
132 | ||
133 | assert_se((unsigned) host->h_length == FAMILY_ADDRESS_SIZE(host->h_addrtype)); | |
134 | memcpy(&u, *s, host->h_length); | |
135 | r = in_addr_to_string(host->h_addrtype, &u, &a); | |
136 | assert_se(r == 0); | |
137 | log_info(" %s %s", | |
138 | af_to_string(host->h_addrtype, family_name, sizeof family_name), | |
139 | a); | |
140 | } | |
141 | if (canon) | |
142 | log_info(" canonical: \"%s\"", canon); | |
143 | } | |
144 | ||
145 | static void test_gethostbyname4_r(void *handle, const char *module, const char *name) { | |
146 | const char *fname; | |
147 | _nss_gethostbyname4_r_t f; | |
148 | char buffer[2000]; | |
149 | struct gaih_addrtuple *pat = NULL; | |
150 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
151 | int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, | |
152 | and will access this variable through *ttlp, | |
153 | so we need to set it to something. | |
154 | I'm not sure if this is a bug in nss-dns | |
155 | or not. */ | |
156 | enum nss_status status; | |
157 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
158 | int n; | |
159 | ||
160 | fname = strjoina("_nss_", module, "_gethostbyname4_r"); | |
161 | f = dlsym(handle, fname); | |
162 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
163 | assert_se(f); | |
164 | ||
165 | status = f(name, &pat, buffer, sizeof buffer, &errno1, &errno2, &ttl); | |
166 | if (status == NSS_STATUS_SUCCESS) { | |
167 | log_info("%s(\"%s\") → status=%s%-20spat=buffer+0x%tx errno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
168 | fname, name, | |
169 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
170 | pat ? (char*) pat - buffer : 0, | |
171 | errno1, errno_to_name(errno1) ?: "---", | |
172 | errno2, hstrerror(errno2), | |
173 | ttl); | |
174 | n = print_gaih_addrtuples(pat); | |
175 | } else { | |
176 | log_info("%s(\"%s\") → status=%s%-20spat=0x%p errno=%d/%s h_errno=%d/%s", | |
177 | fname, name, | |
178 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
179 | pat, | |
180 | errno1, errno_to_name(errno1) ?: "---", | |
181 | errno2, hstrerror(errno2)); | |
182 | n = 0; | |
183 | } | |
184 | ||
185 | if (STR_IN_SET(module, "resolve", "mymachines") && status == NSS_STATUS_UNAVAIL) | |
186 | return; | |
187 | ||
188 | if (STR_IN_SET(module, "myhostname", "resolve") && streq(name, "localhost")) { | |
189 | assert_se(status == NSS_STATUS_SUCCESS); | |
190 | assert_se(n == 2); | |
191 | } | |
192 | } | |
193 | ||
194 | ||
195 | static void test_gethostbyname3_r(void *handle, const char *module, const char *name, int af) { | |
196 | const char *fname; | |
197 | _nss_gethostbyname3_r_t f; | |
198 | char buffer[2000]; | |
199 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
200 | int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, | |
201 | and will access this variable through *ttlp, | |
202 | so we need to set it to something. | |
203 | I'm not sure if this is a bug in nss-dns | |
204 | or not. */ | |
205 | enum nss_status status; | |
206 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
207 | struct hostent host; | |
208 | char *canon; | |
209 | char family_name[DECIMAL_STR_MAX(int)]; | |
210 | ||
211 | fname = strjoina("_nss_", module, "_gethostbyname3_r"); | |
212 | f = dlsym(handle, fname); | |
213 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
214 | assert_se(f); | |
215 | ||
216 | status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl, &canon); | |
217 | log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
218 | fname, name, af_to_string(af, family_name, sizeof family_name), | |
219 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
220 | errno1, errno_to_name(errno1) ?: "---", | |
221 | errno2, hstrerror(errno2), | |
222 | ttl); | |
223 | if (status == NSS_STATUS_SUCCESS) | |
224 | print_struct_hostent(&host, canon); | |
225 | } | |
226 | ||
227 | static void test_gethostbyname2_r(void *handle, const char *module, const char *name, int af) { | |
228 | const char *fname; | |
229 | _nss_gethostbyname2_r_t f; | |
230 | char buffer[2000]; | |
231 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
232 | enum nss_status status; | |
233 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
234 | struct hostent host; | |
235 | char family_name[DECIMAL_STR_MAX(int)]; | |
236 | ||
237 | fname = strjoina("_nss_", module, "_gethostbyname2_r"); | |
238 | f = dlsym(handle, fname); | |
239 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
240 | assert_se(f); | |
241 | ||
242 | status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2); | |
243 | log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
244 | fname, name, af_to_string(af, family_name, sizeof family_name), | |
245 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
246 | errno1, errno_to_name(errno1) ?: "---", | |
247 | errno2, hstrerror(errno2)); | |
248 | if (status == NSS_STATUS_SUCCESS) | |
249 | print_struct_hostent(&host, NULL); | |
250 | } | |
251 | ||
252 | static void test_gethostbyname_r(void *handle, const char *module, const char *name) { | |
253 | const char *fname; | |
254 | _nss_gethostbyname_r_t f; | |
255 | char buffer[2000]; | |
256 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
257 | enum nss_status status; | |
258 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
259 | struct hostent host; | |
260 | ||
261 | fname = strjoina("_nss_", module, "_gethostbyname_r"); | |
262 | f = dlsym(handle, fname); | |
263 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
264 | assert_se(f); | |
265 | ||
266 | status = f(name, &host, buffer, sizeof buffer, &errno1, &errno2); | |
267 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
268 | fname, name, | |
269 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
270 | errno1, errno_to_name(errno1) ?: "---", | |
271 | errno2, hstrerror(errno2)); | |
272 | if (status == NSS_STATUS_SUCCESS) | |
273 | print_struct_hostent(&host, NULL); | |
274 | } | |
275 | ||
276 | static void test_gethostbyaddr2_r(void *handle, | |
277 | const char *module, | |
278 | const void* addr, socklen_t len, | |
279 | int af) { | |
280 | ||
281 | const char *fname; | |
282 | _nss_gethostbyaddr2_r_t f; | |
283 | char buffer[2000]; | |
284 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
285 | enum nss_status status; | |
286 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
287 | struct hostent host; | |
288 | int32_t ttl = INT32_MAX; | |
289 | _cleanup_free_ char *addr_pretty = NULL; | |
290 | ||
291 | fname = strjoina("_nss_", module, "_gethostbyaddr2_r"); | |
292 | f = dlsym(handle, fname); | |
293 | ||
294 | log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, | |
295 | "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); | |
296 | if (!f) | |
297 | return; | |
298 | ||
299 | assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); | |
300 | ||
301 | status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl); | |
302 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
303 | fname, addr_pretty, | |
304 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
305 | errno1, errno_to_name(errno1) ?: "---", | |
306 | errno2, hstrerror(errno2), | |
307 | ttl); | |
308 | if (status == NSS_STATUS_SUCCESS) | |
309 | print_struct_hostent(&host, NULL); | |
310 | } | |
311 | ||
312 | static void test_gethostbyaddr_r(void *handle, | |
313 | const char *module, | |
314 | const void* addr, socklen_t len, | |
315 | int af) { | |
316 | ||
317 | const char *fname; | |
318 | _nss_gethostbyaddr_r_t f; | |
319 | char buffer[2000]; | |
320 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
321 | enum nss_status status; | |
322 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
323 | struct hostent host; | |
324 | _cleanup_free_ char *addr_pretty = NULL; | |
325 | ||
326 | fname = strjoina("_nss_", module, "_gethostbyaddr_r"); | |
327 | f = dlsym(handle, fname); | |
328 | ||
329 | log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, | |
330 | "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); | |
331 | if (!f) | |
332 | return; | |
333 | ||
334 | assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); | |
335 | ||
336 | status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2); | |
337 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
338 | fname, addr_pretty, | |
339 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
340 | errno1, errno_to_name(errno1) ?: "---", | |
341 | errno2, hstrerror(errno2)); | |
342 | if (status == NSS_STATUS_SUCCESS) | |
343 | print_struct_hostent(&host, NULL); | |
344 | } | |
345 | ||
346 | static void test_byname(void *handle, const char *module, const char *name) { | |
347 | test_gethostbyname4_r(handle, module, name); | |
348 | puts(""); | |
349 | ||
350 | test_gethostbyname3_r(handle, module, name, AF_INET); | |
351 | puts(""); | |
352 | test_gethostbyname3_r(handle, module, name, AF_INET6); | |
353 | puts(""); | |
354 | test_gethostbyname3_r(handle, module, name, AF_UNSPEC); | |
355 | puts(""); | |
356 | test_gethostbyname3_r(handle, module, name, AF_LOCAL); | |
357 | puts(""); | |
358 | ||
359 | test_gethostbyname2_r(handle, module, name, AF_INET); | |
360 | puts(""); | |
361 | test_gethostbyname2_r(handle, module, name, AF_INET6); | |
362 | puts(""); | |
363 | test_gethostbyname2_r(handle, module, name, AF_UNSPEC); | |
364 | puts(""); | |
365 | test_gethostbyname2_r(handle, module, name, AF_LOCAL); | |
366 | puts(""); | |
367 | ||
368 | test_gethostbyname_r(handle, module, name); | |
369 | puts(""); | |
370 | } | |
371 | ||
372 | static void test_byaddr(void *handle, | |
373 | const char *module, | |
374 | const void* addr, socklen_t len, | |
375 | int af) { | |
376 | test_gethostbyaddr2_r(handle, module, addr, len, af); | |
377 | puts(""); | |
378 | ||
379 | test_gethostbyaddr_r(handle, module, addr, len, af); | |
380 | puts(""); | |
381 | } | |
382 | ||
9f7672b3 ZJS |
383 | static int make_addresses(struct local_address **addresses) { |
384 | int n; | |
385 | size_t n_alloc; | |
386 | _cleanup_free_ struct local_address *addrs = NULL; | |
387 | ||
388 | n = local_addresses(NULL, 0, AF_UNSPEC, &addrs); | |
389 | if (n < 0) | |
390 | log_info_errno(n, "Failed to query local addresses: %m"); | |
391 | ||
392 | n_alloc = n; /* we _can_ do that */ | |
393 | if (!GREEDY_REALLOC(addrs, n_alloc, n + 3)) | |
394 | return log_oom(); | |
395 | ||
396 | addrs[n++] = (struct local_address) { .family = AF_INET, | |
397 | .address.in = { htobe32(0x7F000001) } }; | |
398 | addrs[n++] = (struct local_address) { .family = AF_INET, | |
399 | .address.in = { htobe32(0x7F000002) } }; | |
400 | addrs[n++] = (struct local_address) { .family = AF_INET6, | |
401 | .address.in6 = in6addr_loopback }; | |
402 | return 0; | |
403 | } | |
404 | ||
405 | static int test_one_module(const char* dir, | |
406 | const char *module, | |
407 | char **names, | |
408 | struct local_address *addresses, | |
409 | int n_addresses) { | |
410 | void *handle; | |
411 | char **name; | |
412 | int i; | |
413 | ||
414 | ||
415 | log_info("======== %s ========", module); | |
416 | ||
417 | handle = open_handle(streq(module, "dns") ? NULL : dir, | |
418 | module, | |
419 | RTLD_LAZY|RTLD_NODELETE); | |
420 | if (!handle) | |
421 | return -EINVAL; | |
422 | ||
423 | STRV_FOREACH(name, names) | |
424 | test_byname(handle, module, *name); | |
425 | ||
426 | for (i = 0; i < n_addresses; i++) | |
427 | test_byaddr(handle, module, | |
428 | &addresses[i].address, | |
429 | FAMILY_ADDRESS_SIZE(addresses[i].family), | |
430 | addresses[i].family); | |
431 | ||
432 | log_info(" "); | |
433 | dlclose(handle); | |
434 | return 0; | |
435 | } | |
436 | ||
437 | static int parse_argv(int argc, char **argv, | |
438 | char ***the_modules, | |
439 | char ***the_names, | |
440 | struct local_address **the_addresses, int *n_addresses) { | |
441 | ||
442 | int r, n = 0; | |
443 | _cleanup_strv_free_ char **modules = NULL, **names = NULL; | |
444 | _cleanup_free_ struct local_address *addrs = NULL; | |
445 | size_t n_allocated = 0; | |
446 | ||
447 | if (argc > 1) | |
448 | modules = strv_new(argv[1], NULL); | |
449 | else | |
450 | modules = strv_new( | |
2abb5b3b | 451 | #ifdef HAVE_MYHOSTNAME |
9f7672b3 | 452 | "myhostname", |
2abb5b3b ZJS |
453 | #endif |
454 | #ifdef HAVE_RESOLVED | |
9f7672b3 | 455 | "resolve", |
2abb5b3b ZJS |
456 | #endif |
457 | #ifdef HAVE_MACHINED | |
9f7672b3 | 458 | "mymachines", |
2abb5b3b | 459 | #endif |
9f7672b3 ZJS |
460 | "dns", |
461 | NULL); | |
462 | if (!modules) | |
463 | return -ENOMEM; | |
464 | ||
465 | if (argc > 2) { | |
466 | char **name; | |
467 | int family; | |
468 | union in_addr_union address; | |
469 | ||
470 | STRV_FOREACH(name, argv + 2) { | |
471 | r = in_addr_from_string_auto(*name, &family, &address); | |
472 | if (r < 0) { | |
473 | /* assume this is a name */ | |
474 | r = strv_extend(&names, *name); | |
475 | if (r < 0) | |
476 | return r; | |
477 | } else { | |
478 | if (!GREEDY_REALLOC0(addrs, n_allocated, n + 1)) | |
479 | return -ENOMEM; | |
480 | ||
481 | addrs[n++] = (struct local_address) { .family = family, | |
482 | .address = address }; | |
483 | } | |
484 | } | |
485 | } else { | |
486 | _cleanup_free_ char *hostname; | |
2abb5b3b | 487 | |
9f7672b3 ZJS |
488 | hostname = gethostname_malloc(); |
489 | if (!hostname) | |
490 | return -ENOMEM; | |
2abb5b3b | 491 | |
9f7672b3 ZJS |
492 | names = strv_new("localhost", "gateway", "foo_no_such_host", hostname, NULL); |
493 | if (!names) | |
494 | return -ENOMEM; | |
495 | ||
496 | n = make_addresses(&addrs); | |
497 | if (n < 0) | |
498 | return n; | |
499 | } | |
500 | ||
501 | *the_modules = modules; | |
502 | *the_names = names; | |
503 | modules = names = NULL; | |
504 | *the_addresses = addrs; | |
505 | *n_addresses = n; | |
506 | addrs = NULL; | |
507 | return 0; | |
508 | } | |
509 | ||
510 | int main(int argc, char **argv) { | |
511 | _cleanup_free_ char *dir = NULL; | |
512 | _cleanup_strv_free_ char **modules = NULL, **names = NULL; | |
2abb5b3b | 513 | _cleanup_free_ struct local_address *addresses = NULL; |
6a909d41 | 514 | int n_addresses = 0; |
9f7672b3 ZJS |
515 | char **module; |
516 | int r; | |
2abb5b3b ZJS |
517 | |
518 | log_set_max_level(LOG_INFO); | |
519 | log_parse_environment(); | |
520 | ||
9f7672b3 ZJS |
521 | r = parse_argv(argc, argv, &modules, &names, &addresses, &n_addresses); |
522 | if (r < 0) { | |
523 | log_error_errno(r, "Failed to parse arguments: %m"); | |
524 | return EXIT_FAILURE; | |
2abb5b3b ZJS |
525 | } |
526 | ||
9f7672b3 ZJS |
527 | dir = dirname_malloc(argv[0]); |
528 | if (!dir) | |
529 | return EXIT_FAILURE; | |
2abb5b3b | 530 | |
9f7672b3 ZJS |
531 | STRV_FOREACH(module, modules) { |
532 | r = test_one_module(dir, *module, names, addresses, n_addresses); | |
533 | if (r < 0) | |
534 | return EXIT_FAILURE; | |
2abb5b3b ZJS |
535 | } |
536 | ||
537 | return EXIT_SUCCESS; | |
538 | } |