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Commit | Line | Data |
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53e1b683 | 1 | /* SPDX-License-Identifier: LGPL-2.1+ */ |
2abb5b3b ZJS |
2 | |
3 | #include <dlfcn.h> | |
2abb5b3b | 4 | #include <net/if.h> |
eb43e8a7 | 5 | #include <stdlib.h> |
ca78ad1d | 6 | #include <unistd.h> |
2abb5b3b | 7 | |
eb43e8a7 YW |
8 | #include "af-list.h" |
9 | #include "alloc-util.h" | |
10 | #include "errno-list.h" | |
11 | #include "hexdecoct.h" | |
12 | #include "hostname-util.h" | |
13 | #include "in-addr-util.h" | |
14 | #include "local-addresses.h" | |
2abb5b3b | 15 | #include "log.h" |
f68a2622 | 16 | #include "main-func.h" |
2abb5b3b ZJS |
17 | #include "nss-util.h" |
18 | #include "path-util.h" | |
2abb5b3b | 19 | #include "stdio-util.h" |
eb43e8a7 | 20 | #include "string-util.h" |
2abb5b3b | 21 | #include "strv.h" |
f68a2622 | 22 | #include "tests.h" |
2abb5b3b ZJS |
23 | |
24 | static const char* nss_status_to_string(enum nss_status status, char *buf, size_t buf_len) { | |
25 | switch (status) { | |
26 | case NSS_STATUS_TRYAGAIN: | |
27 | return "NSS_STATUS_TRYAGAIN"; | |
28 | case NSS_STATUS_UNAVAIL: | |
29 | return "NSS_STATUS_UNAVAIL"; | |
30 | case NSS_STATUS_NOTFOUND: | |
31 | return "NSS_STATUS_NOTFOUND"; | |
32 | case NSS_STATUS_SUCCESS: | |
33 | return "NSS_STATUS_SUCCESS"; | |
34 | case NSS_STATUS_RETURN: | |
35 | return "NSS_STATUS_RETURN"; | |
36 | default: | |
37 | snprintf(buf, buf_len, "%i", status); | |
38 | return buf; | |
39 | } | |
40 | }; | |
41 | ||
42 | static const char* af_to_string(int family, char *buf, size_t buf_len) { | |
43 | const char *name; | |
44 | ||
45 | if (family == AF_UNSPEC) | |
46 | return "*"; | |
47 | ||
48 | name = af_to_name(family); | |
49 | if (name) | |
50 | return name; | |
51 | ||
52 | snprintf(buf, buf_len, "%i", family); | |
53 | return buf; | |
54 | } | |
55 | ||
56 | static void* open_handle(const char* dir, const char* module, int flags) { | |
8d732e2f | 57 | const char *path = NULL; |
2abb5b3b ZJS |
58 | void *handle; |
59 | ||
8d732e2f | 60 | if (dir) |
3762b672 | 61 | path = strjoina(dir, "/libnss_", module, ".so.2"); |
8d732e2f | 62 | if (!path || access(path, F_OK) < 0) |
2abb5b3b ZJS |
63 | path = strjoina("libnss_", module, ".so.2"); |
64 | ||
65 | handle = dlopen(path, flags); | |
9f7672b3 ZJS |
66 | if (!handle) |
67 | log_error("Failed to load module %s: %s", module, dlerror()); | |
2abb5b3b ZJS |
68 | return handle; |
69 | } | |
70 | ||
71 | static int print_gaih_addrtuples(const struct gaih_addrtuple *tuples) { | |
72 | const struct gaih_addrtuple *it; | |
73 | int n = 0; | |
74 | ||
75 | for (it = tuples; it; it = it->next) { | |
76 | _cleanup_free_ char *a = NULL; | |
77 | union in_addr_union u; | |
78 | int r; | |
79 | char family_name[DECIMAL_STR_MAX(int)]; | |
80 | char ifname[IF_NAMESIZE]; | |
81 | ||
82 | memcpy(&u, it->addr, 16); | |
83 | r = in_addr_to_string(it->family, &u, &a); | |
4c701096 | 84 | assert_se(IN_SET(r, 0, -EAFNOSUPPORT)); |
2abb5b3b | 85 | if (r == -EAFNOSUPPORT) |
dcd6361e | 86 | assert_se(a = hexmem(it->addr, 16)); |
2abb5b3b ZJS |
87 | |
88 | if (it->scopeid == 0) | |
89 | goto numerical_index; | |
90 | ||
4e361acc | 91 | if (!if_indextoname(it->scopeid, ifname)) { |
25f027c5 | 92 | log_warning_errno(errno, "if_indextoname(%d) failed: %m", it->scopeid); |
2abb5b3b ZJS |
93 | numerical_index: |
94 | xsprintf(ifname, "%i", it->scopeid); | |
95 | }; | |
96 | ||
97 | log_info(" \"%s\" %s %s %%%s", | |
98 | it->name, | |
99 | af_to_string(it->family, family_name, sizeof family_name), | |
100 | a, | |
101 | ifname); | |
102 | n ++; | |
103 | } | |
104 | return n; | |
105 | } | |
106 | ||
107 | static void print_struct_hostent(struct hostent *host, const char *canon) { | |
108 | char **s; | |
109 | ||
110 | log_info(" \"%s\"", host->h_name); | |
111 | STRV_FOREACH(s, host->h_aliases) | |
112 | log_info(" alias \"%s\"", *s); | |
113 | STRV_FOREACH(s, host->h_addr_list) { | |
114 | union in_addr_union u; | |
115 | _cleanup_free_ char *a = NULL; | |
116 | char family_name[DECIMAL_STR_MAX(int)]; | |
117 | int r; | |
118 | ||
119 | assert_se((unsigned) host->h_length == FAMILY_ADDRESS_SIZE(host->h_addrtype)); | |
120 | memcpy(&u, *s, host->h_length); | |
121 | r = in_addr_to_string(host->h_addrtype, &u, &a); | |
122 | assert_se(r == 0); | |
123 | log_info(" %s %s", | |
124 | af_to_string(host->h_addrtype, family_name, sizeof family_name), | |
125 | a); | |
126 | } | |
127 | if (canon) | |
128 | log_info(" canonical: \"%s\"", canon); | |
129 | } | |
130 | ||
131 | static void test_gethostbyname4_r(void *handle, const char *module, const char *name) { | |
132 | const char *fname; | |
133 | _nss_gethostbyname4_r_t f; | |
134 | char buffer[2000]; | |
135 | struct gaih_addrtuple *pat = NULL; | |
136 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
137 | int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, | |
138 | and will access this variable through *ttlp, | |
139 | so we need to set it to something. | |
140 | I'm not sure if this is a bug in nss-dns | |
141 | or not. */ | |
142 | enum nss_status status; | |
143 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
144 | int n; | |
145 | ||
146 | fname = strjoina("_nss_", module, "_gethostbyname4_r"); | |
147 | f = dlsym(handle, fname); | |
148 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
149 | assert_se(f); | |
150 | ||
151 | status = f(name, &pat, buffer, sizeof buffer, &errno1, &errno2, &ttl); | |
152 | if (status == NSS_STATUS_SUCCESS) { | |
153 | log_info("%s(\"%s\") → status=%s%-20spat=buffer+0x%tx errno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
154 | fname, name, | |
155 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
156 | pat ? (char*) pat - buffer : 0, | |
157 | errno1, errno_to_name(errno1) ?: "---", | |
158 | errno2, hstrerror(errno2), | |
159 | ttl); | |
160 | n = print_gaih_addrtuples(pat); | |
161 | } else { | |
162 | log_info("%s(\"%s\") → status=%s%-20spat=0x%p errno=%d/%s h_errno=%d/%s", | |
163 | fname, name, | |
164 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
165 | pat, | |
166 | errno1, errno_to_name(errno1) ?: "---", | |
167 | errno2, hstrerror(errno2)); | |
168 | n = 0; | |
169 | } | |
170 | ||
171 | if (STR_IN_SET(module, "resolve", "mymachines") && status == NSS_STATUS_UNAVAIL) | |
172 | return; | |
173 | ||
174 | if (STR_IN_SET(module, "myhostname", "resolve") && streq(name, "localhost")) { | |
175 | assert_se(status == NSS_STATUS_SUCCESS); | |
176 | assert_se(n == 2); | |
177 | } | |
178 | } | |
179 | ||
2abb5b3b ZJS |
180 | static void test_gethostbyname3_r(void *handle, const char *module, const char *name, int af) { |
181 | const char *fname; | |
182 | _nss_gethostbyname3_r_t f; | |
183 | char buffer[2000]; | |
184 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
185 | int32_t ttl = INT32_MAX; /* nss-dns wants to return the lowest ttl, | |
186 | and will access this variable through *ttlp, | |
187 | so we need to set it to something. | |
188 | I'm not sure if this is a bug in nss-dns | |
189 | or not. */ | |
190 | enum nss_status status; | |
191 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
192 | struct hostent host; | |
193 | char *canon; | |
194 | char family_name[DECIMAL_STR_MAX(int)]; | |
195 | ||
196 | fname = strjoina("_nss_", module, "_gethostbyname3_r"); | |
197 | f = dlsym(handle, fname); | |
198 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
199 | assert_se(f); | |
200 | ||
201 | status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl, &canon); | |
202 | log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
203 | fname, name, af_to_string(af, family_name, sizeof family_name), | |
204 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
205 | errno1, errno_to_name(errno1) ?: "---", | |
206 | errno2, hstrerror(errno2), | |
207 | ttl); | |
208 | if (status == NSS_STATUS_SUCCESS) | |
209 | print_struct_hostent(&host, canon); | |
210 | } | |
211 | ||
212 | static void test_gethostbyname2_r(void *handle, const char *module, const char *name, int af) { | |
213 | const char *fname; | |
214 | _nss_gethostbyname2_r_t f; | |
215 | char buffer[2000]; | |
216 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
217 | enum nss_status status; | |
218 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
219 | struct hostent host; | |
220 | char family_name[DECIMAL_STR_MAX(int)]; | |
221 | ||
222 | fname = strjoina("_nss_", module, "_gethostbyname2_r"); | |
223 | f = dlsym(handle, fname); | |
224 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
225 | assert_se(f); | |
226 | ||
227 | status = f(name, af, &host, buffer, sizeof buffer, &errno1, &errno2); | |
228 | log_info("%s(\"%s\", %s) → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
229 | fname, name, af_to_string(af, family_name, sizeof family_name), | |
230 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
231 | errno1, errno_to_name(errno1) ?: "---", | |
232 | errno2, hstrerror(errno2)); | |
233 | if (status == NSS_STATUS_SUCCESS) | |
234 | print_struct_hostent(&host, NULL); | |
235 | } | |
236 | ||
237 | static void test_gethostbyname_r(void *handle, const char *module, const char *name) { | |
238 | const char *fname; | |
239 | _nss_gethostbyname_r_t f; | |
240 | char buffer[2000]; | |
241 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
242 | enum nss_status status; | |
243 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
244 | struct hostent host; | |
245 | ||
246 | fname = strjoina("_nss_", module, "_gethostbyname_r"); | |
247 | f = dlsym(handle, fname); | |
248 | log_debug("dlsym(0x%p, %s) → 0x%p", handle, fname, f); | |
249 | assert_se(f); | |
250 | ||
251 | status = f(name, &host, buffer, sizeof buffer, &errno1, &errno2); | |
252 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
253 | fname, name, | |
254 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
255 | errno1, errno_to_name(errno1) ?: "---", | |
256 | errno2, hstrerror(errno2)); | |
257 | if (status == NSS_STATUS_SUCCESS) | |
258 | print_struct_hostent(&host, NULL); | |
259 | } | |
260 | ||
261 | static void test_gethostbyaddr2_r(void *handle, | |
262 | const char *module, | |
263 | const void* addr, socklen_t len, | |
264 | int af) { | |
265 | ||
266 | const char *fname; | |
267 | _nss_gethostbyaddr2_r_t f; | |
268 | char buffer[2000]; | |
269 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
270 | enum nss_status status; | |
271 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
272 | struct hostent host; | |
273 | int32_t ttl = INT32_MAX; | |
274 | _cleanup_free_ char *addr_pretty = NULL; | |
275 | ||
276 | fname = strjoina("_nss_", module, "_gethostbyaddr2_r"); | |
277 | f = dlsym(handle, fname); | |
278 | ||
279 | log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, | |
280 | "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); | |
281 | if (!f) | |
282 | return; | |
283 | ||
284 | assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); | |
285 | ||
286 | status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2, &ttl); | |
287 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s ttl=%"PRIi32, | |
288 | fname, addr_pretty, | |
289 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
290 | errno1, errno_to_name(errno1) ?: "---", | |
291 | errno2, hstrerror(errno2), | |
292 | ttl); | |
293 | if (status == NSS_STATUS_SUCCESS) | |
294 | print_struct_hostent(&host, NULL); | |
295 | } | |
296 | ||
297 | static void test_gethostbyaddr_r(void *handle, | |
298 | const char *module, | |
299 | const void* addr, socklen_t len, | |
300 | int af) { | |
301 | ||
302 | const char *fname; | |
303 | _nss_gethostbyaddr_r_t f; | |
304 | char buffer[2000]; | |
305 | int errno1 = 999, errno2 = 999; /* nss-dns doesn't set those */ | |
306 | enum nss_status status; | |
307 | char pretty_status[DECIMAL_STR_MAX(enum nss_status)]; | |
308 | struct hostent host; | |
309 | _cleanup_free_ char *addr_pretty = NULL; | |
310 | ||
311 | fname = strjoina("_nss_", module, "_gethostbyaddr_r"); | |
312 | f = dlsym(handle, fname); | |
313 | ||
314 | log_full_errno(f ? LOG_DEBUG : LOG_INFO, errno, | |
315 | "dlsym(0x%p, %s) → 0x%p: %m", handle, fname, f); | |
316 | if (!f) | |
317 | return; | |
318 | ||
319 | assert_se(in_addr_to_string(af, addr, &addr_pretty) >= 0); | |
320 | ||
321 | status = f(addr, len, af, &host, buffer, sizeof buffer, &errno1, &errno2); | |
322 | log_info("%s(\"%s\") → status=%s%-20serrno=%d/%s h_errno=%d/%s", | |
323 | fname, addr_pretty, | |
324 | nss_status_to_string(status, pretty_status, sizeof pretty_status), "\n", | |
325 | errno1, errno_to_name(errno1) ?: "---", | |
326 | errno2, hstrerror(errno2)); | |
327 | if (status == NSS_STATUS_SUCCESS) | |
328 | print_struct_hostent(&host, NULL); | |
329 | } | |
330 | ||
331 | static void test_byname(void *handle, const char *module, const char *name) { | |
332 | test_gethostbyname4_r(handle, module, name); | |
333 | puts(""); | |
334 | ||
335 | test_gethostbyname3_r(handle, module, name, AF_INET); | |
336 | puts(""); | |
337 | test_gethostbyname3_r(handle, module, name, AF_INET6); | |
338 | puts(""); | |
339 | test_gethostbyname3_r(handle, module, name, AF_UNSPEC); | |
340 | puts(""); | |
341 | test_gethostbyname3_r(handle, module, name, AF_LOCAL); | |
342 | puts(""); | |
343 | ||
344 | test_gethostbyname2_r(handle, module, name, AF_INET); | |
345 | puts(""); | |
346 | test_gethostbyname2_r(handle, module, name, AF_INET6); | |
347 | puts(""); | |
348 | test_gethostbyname2_r(handle, module, name, AF_UNSPEC); | |
349 | puts(""); | |
350 | test_gethostbyname2_r(handle, module, name, AF_LOCAL); | |
351 | puts(""); | |
352 | ||
353 | test_gethostbyname_r(handle, module, name); | |
354 | puts(""); | |
355 | } | |
356 | ||
357 | static void test_byaddr(void *handle, | |
358 | const char *module, | |
359 | const void* addr, socklen_t len, | |
360 | int af) { | |
361 | test_gethostbyaddr2_r(handle, module, addr, len, af); | |
362 | puts(""); | |
363 | ||
364 | test_gethostbyaddr_r(handle, module, addr, len, af); | |
365 | puts(""); | |
366 | } | |
367 | ||
9f7672b3 ZJS |
368 | static int make_addresses(struct local_address **addresses) { |
369 | int n; | |
370 | size_t n_alloc; | |
371 | _cleanup_free_ struct local_address *addrs = NULL; | |
372 | ||
373 | n = local_addresses(NULL, 0, AF_UNSPEC, &addrs); | |
374 | if (n < 0) | |
375 | log_info_errno(n, "Failed to query local addresses: %m"); | |
376 | ||
377 | n_alloc = n; /* we _can_ do that */ | |
378 | if (!GREEDY_REALLOC(addrs, n_alloc, n + 3)) | |
379 | return log_oom(); | |
380 | ||
381 | addrs[n++] = (struct local_address) { .family = AF_INET, | |
382 | .address.in = { htobe32(0x7F000001) } }; | |
383 | addrs[n++] = (struct local_address) { .family = AF_INET, | |
384 | .address.in = { htobe32(0x7F000002) } }; | |
385 | addrs[n++] = (struct local_address) { .family = AF_INET6, | |
386 | .address.in6 = in6addr_loopback }; | |
387 | return 0; | |
388 | } | |
389 | ||
390 | static int test_one_module(const char* dir, | |
391 | const char *module, | |
392 | char **names, | |
393 | struct local_address *addresses, | |
394 | int n_addresses) { | |
395 | void *handle; | |
396 | char **name; | |
397 | int i; | |
398 | ||
9f7672b3 ZJS |
399 | log_info("======== %s ========", module); |
400 | ||
8d732e2f | 401 | handle = open_handle(dir, module, RTLD_LAZY|RTLD_NODELETE); |
9f7672b3 ZJS |
402 | if (!handle) |
403 | return -EINVAL; | |
404 | ||
405 | STRV_FOREACH(name, names) | |
406 | test_byname(handle, module, *name); | |
407 | ||
408 | for (i = 0; i < n_addresses; i++) | |
409 | test_byaddr(handle, module, | |
410 | &addresses[i].address, | |
411 | FAMILY_ADDRESS_SIZE(addresses[i].family), | |
412 | addresses[i].family); | |
413 | ||
414 | log_info(" "); | |
415 | dlclose(handle); | |
416 | return 0; | |
417 | } | |
418 | ||
419 | static int parse_argv(int argc, char **argv, | |
420 | char ***the_modules, | |
421 | char ***the_names, | |
422 | struct local_address **the_addresses, int *n_addresses) { | |
423 | ||
424 | int r, n = 0; | |
425 | _cleanup_strv_free_ char **modules = NULL, **names = NULL; | |
426 | _cleanup_free_ struct local_address *addrs = NULL; | |
427 | size_t n_allocated = 0; | |
428 | ||
429 | if (argc > 1) | |
bea1a013 | 430 | modules = strv_new(argv[1]); |
9f7672b3 ZJS |
431 | else |
432 | modules = strv_new( | |
08540a95 | 433 | #if ENABLE_NSS_MYHOSTNAME |
9f7672b3 | 434 | "myhostname", |
2abb5b3b | 435 | #endif |
08540a95 | 436 | #if ENABLE_NSS_RESOLVE |
9f7672b3 | 437 | "resolve", |
2abb5b3b | 438 | #endif |
08540a95 | 439 | #if ENABLE_NSS_MYMACHINES |
9f7672b3 | 440 | "mymachines", |
2abb5b3b | 441 | #endif |
bea1a013 | 442 | "dns"); |
9f7672b3 ZJS |
443 | if (!modules) |
444 | return -ENOMEM; | |
445 | ||
446 | if (argc > 2) { | |
447 | char **name; | |
448 | int family; | |
449 | union in_addr_union address; | |
450 | ||
451 | STRV_FOREACH(name, argv + 2) { | |
452 | r = in_addr_from_string_auto(*name, &family, &address); | |
453 | if (r < 0) { | |
454 | /* assume this is a name */ | |
455 | r = strv_extend(&names, *name); | |
456 | if (r < 0) | |
457 | return r; | |
458 | } else { | |
459 | if (!GREEDY_REALLOC0(addrs, n_allocated, n + 1)) | |
460 | return -ENOMEM; | |
461 | ||
462 | addrs[n++] = (struct local_address) { .family = family, | |
463 | .address = address }; | |
464 | } | |
465 | } | |
466 | } else { | |
467 | _cleanup_free_ char *hostname; | |
2abb5b3b | 468 | |
9f7672b3 ZJS |
469 | hostname = gethostname_malloc(); |
470 | if (!hostname) | |
471 | return -ENOMEM; | |
2abb5b3b | 472 | |
bea1a013 | 473 | names = strv_new("localhost", "_gateway", "foo_no_such_host", hostname); |
9f7672b3 ZJS |
474 | if (!names) |
475 | return -ENOMEM; | |
476 | ||
477 | n = make_addresses(&addrs); | |
478 | if (n < 0) | |
479 | return n; | |
480 | } | |
481 | ||
482 | *the_modules = modules; | |
483 | *the_names = names; | |
484 | modules = names = NULL; | |
485 | *the_addresses = addrs; | |
486 | *n_addresses = n; | |
487 | addrs = NULL; | |
488 | return 0; | |
489 | } | |
490 | ||
f68a2622 | 491 | static int run(int argc, char **argv) { |
9f7672b3 ZJS |
492 | _cleanup_free_ char *dir = NULL; |
493 | _cleanup_strv_free_ char **modules = NULL, **names = NULL; | |
2abb5b3b | 494 | _cleanup_free_ struct local_address *addresses = NULL; |
6a909d41 | 495 | int n_addresses = 0; |
9f7672b3 ZJS |
496 | char **module; |
497 | int r; | |
2abb5b3b | 498 | |
f68a2622 | 499 | test_setup_logging(LOG_INFO); |
2abb5b3b | 500 | |
9f7672b3 ZJS |
501 | r = parse_argv(argc, argv, &modules, &names, &addresses, &n_addresses); |
502 | if (r < 0) { | |
503 | log_error_errno(r, "Failed to parse arguments: %m"); | |
504 | return EXIT_FAILURE; | |
2abb5b3b ZJS |
505 | } |
506 | ||
9f7672b3 ZJS |
507 | dir = dirname_malloc(argv[0]); |
508 | if (!dir) | |
f68a2622 | 509 | return log_oom(); |
2abb5b3b | 510 | |
9f7672b3 ZJS |
511 | STRV_FOREACH(module, modules) { |
512 | r = test_one_module(dir, *module, names, addresses, n_addresses); | |
513 | if (r < 0) | |
f68a2622 | 514 | return r; |
2abb5b3b ZJS |
515 | } |
516 | ||
f68a2622 | 517 | return 0; |
2abb5b3b | 518 | } |
f68a2622 ZJS |
519 | |
520 | DEFINE_MAIN_FUNCTION(run); |