File: | pr/Linux4.19_x86_64_gcc_glibc_PTH_64_DBG.OBJ/pr/src/misc/../../../../pr/src/misc/prnetdb.c |
Warning: | line 2231, column 59 The left operand of '==' is a garbage value |
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1 | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | ||||
2 | /* This Source Code Form is subject to the terms of the Mozilla Public | ||||
3 | * License, v. 2.0. If a copy of the MPL was not distributed with this | ||||
4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | ||||
5 | |||||
6 | #include "primpl.h" | ||||
7 | |||||
8 | #include <string.h> | ||||
9 | |||||
10 | #if defined(LINUX1) | ||||
11 | #include <sys/un.h> | ||||
12 | #endif | ||||
13 | |||||
14 | /* | ||||
15 | * On Unix, the error code for gethostbyname() and gethostbyaddr() | ||||
16 | * is returned in the global variable h_errno, instead of the usual | ||||
17 | * errno. | ||||
18 | */ | ||||
19 | #if defined(XP_UNIX1) | ||||
20 | #if defined(_PR_NEED_H_ERRNO) | ||||
21 | extern int h_errno(*__h_errno_location ()); | ||||
22 | #endif | ||||
23 | #define _MD_GETHOST_ERRNO()(*__h_errno_location ()) h_errno(*__h_errno_location ()) | ||||
24 | #else | ||||
25 | #define _MD_GETHOST_ERRNO()(*__h_errno_location ()) _MD_ERRNO()((*__errno_location ())) | ||||
26 | #endif | ||||
27 | |||||
28 | /* | ||||
29 | * The meaning of the macros related to gethostbyname, gethostbyaddr, | ||||
30 | * and gethostbyname2 is defined below. | ||||
31 | * - _PR_HAVE_THREADSAFE_GETHOST: the gethostbyXXX functions return | ||||
32 | * the result in thread specific storage. For example, AIX, HP-UX. | ||||
33 | * - _PR_HAVE_GETHOST_R: have the gethostbyXXX_r functions. See next | ||||
34 | * two macros. | ||||
35 | * - _PR_HAVE_GETHOST_R_INT: the gethostbyXXX_r functions return an | ||||
36 | * int. For example, Linux glibc. | ||||
37 | * - _PR_HAVE_GETHOST_R_POINTER: the gethostbyXXX_r functions return | ||||
38 | * a struct hostent* pointer. For example, Solaris. | ||||
39 | */ | ||||
40 | #if defined(_PR_NO_PREEMPT) || defined(_PR_HAVE_GETHOST_R) \ | ||||
41 | || defined(_PR_HAVE_THREADSAFE_GETHOST) | ||||
42 | #define _PR_NO_DNS_LOCK | ||||
43 | #endif | ||||
44 | |||||
45 | #if defined(_PR_NO_DNS_LOCK) | ||||
46 | #define LOCK_DNS() | ||||
47 | #define UNLOCK_DNS() | ||||
48 | #else | ||||
49 | PRLock *_pr_dnsLock = NULL((void*)0); | ||||
50 | #define LOCK_DNS() PR_Lock(_pr_dnsLock) | ||||
51 | #define UNLOCK_DNS() PR_Unlock(_pr_dnsLock) | ||||
52 | #endif /* defined(_PR_NO_DNS_LOCK) */ | ||||
53 | |||||
54 | /* | ||||
55 | * Some platforms have the reentrant getprotobyname_r() and | ||||
56 | * getprotobynumber_r(). However, they come in three flavors. | ||||
57 | * Some return a pointer to struct protoent, others return | ||||
58 | * an int, and glibc's flavor takes five arguments. | ||||
59 | */ | ||||
60 | |||||
61 | #if defined(SOLARIS) || (defined(BSDI) && defined(_REENTRANT1)) \ | ||||
62 | || (defined(LINUX1) && defined(_REENTRANT1) \ | ||||
63 | && defined(__GLIBC__2) && __GLIBC__2 < 2) | ||||
64 | #define _PR_HAVE_GETPROTO_R | ||||
65 | #define _PR_HAVE_GETPROTO_R_POINTER | ||||
66 | #endif | ||||
67 | |||||
68 | #if defined(AIX4_3_PLUS) || (defined(AIX) && defined(_THREAD_SAFE)) \ | ||||
69 | || (defined(HPUX10_10) && defined(_REENTRANT1)) \ | ||||
70 | || (defined(HPUX10_20) && defined(_REENTRANT1)) \ | ||||
71 | || defined(OPENBSD) | ||||
72 | #define _PR_HAVE_GETPROTO_R | ||||
73 | #define _PR_HAVE_GETPROTO_R_INT | ||||
74 | #endif | ||||
75 | |||||
76 | #if __FreeBSD_version >= 602000 | ||||
77 | #define _PR_HAVE_GETPROTO_R | ||||
78 | #define _PR_HAVE_5_ARG_GETPROTO_R | ||||
79 | #endif | ||||
80 | |||||
81 | /* BeOS has glibc but not the glibc-style getprotobyxxx_r functions. */ | ||||
82 | #if (defined(__GLIBC__2) && __GLIBC__2 >= 2) | ||||
83 | #define _PR_HAVE_GETPROTO_R | ||||
84 | #define _PR_HAVE_5_ARG_GETPROTO_R | ||||
85 | #endif | ||||
86 | |||||
87 | #if !defined(_PR_HAVE_GETPROTO_R) | ||||
88 | PRLock* _getproto_lock = NULL((void*)0); | ||||
89 | #endif | ||||
90 | |||||
91 | #if defined(_PR_INET6_PROBE) | ||||
92 | extern PRBool _pr_ipv6_is_present(void); | ||||
93 | #endif | ||||
94 | |||||
95 | #define _PR_IN6_IS_ADDR_UNSPECIFIED(a)(((a)->_S6_un._S6_u32[0] == 0) && ((a)->_S6_un. _S6_u32[1] == 0) && ((a)->_S6_un._S6_u32[2] == 0) && ((a)->_S6_un._S6_u32[3] == 0)) \ | ||||
96 | (((a)->pr_s6_addr32_S6_un._S6_u32[0] == 0) && \ | ||||
97 | ((a)->pr_s6_addr32_S6_un._S6_u32[1] == 0) && \ | ||||
98 | ((a)->pr_s6_addr32_S6_un._S6_u32[2] == 0) && \ | ||||
99 | ((a)->pr_s6_addr32_S6_un._S6_u32[3] == 0)) | ||||
100 | |||||
101 | #define _PR_IN6_IS_ADDR_LOOPBACK(a)(((a)->_S6_un._S6_u32[0] == 0) && ((a)->_S6_un. _S6_u32[1] == 0) && ((a)->_S6_un._S6_u32[2] == 0) && ((a)->_S6_un._S6_u8[12] == 0) && ((a)->_S6_un. _S6_u8[13] == 0) && ((a)->_S6_un._S6_u8[14] == 0) && ((a)->_S6_un._S6_u8[15] == 0x1U)) \ | ||||
102 | (((a)->pr_s6_addr32_S6_un._S6_u32[0] == 0) && \ | ||||
103 | ((a)->pr_s6_addr32_S6_un._S6_u32[1] == 0) && \ | ||||
104 | ((a)->pr_s6_addr32_S6_un._S6_u32[2] == 0) && \ | ||||
105 | ((a)->pr_s6_addr_S6_un._S6_u8[12] == 0) && \ | ||||
106 | ((a)->pr_s6_addr_S6_un._S6_u8[13] == 0) && \ | ||||
107 | ((a)->pr_s6_addr_S6_un._S6_u8[14] == 0) && \ | ||||
108 | ((a)->pr_s6_addr_S6_un._S6_u8[15] == 0x1U)) | ||||
109 | |||||
110 | const PRIPv6Addr _pr_in6addr_any = {{{ | ||||
111 | 0, 0, 0, 0, | ||||
112 | 0, 0, 0, 0, | ||||
113 | 0, 0, 0, 0, | ||||
114 | 0, 0, 0, 0 | ||||
115 | } | ||||
116 | } | ||||
117 | }; | ||||
118 | |||||
119 | const PRIPv6Addr _pr_in6addr_loopback = {{{ | ||||
120 | 0, 0, 0, 0, | ||||
121 | 0, 0, 0, 0, | ||||
122 | 0, 0, 0, 0, | ||||
123 | 0, 0, 0, 0x1U | ||||
124 | } | ||||
125 | } | ||||
126 | }; | ||||
127 | /* | ||||
128 | * The values at bytes 10 and 11 are compared using pointers to | ||||
129 | * 8-bit fields, and not 32-bit fields, to make the comparison work on | ||||
130 | * both big-endian and little-endian systems | ||||
131 | */ | ||||
132 | |||||
133 | #define _PR_IN6_IS_ADDR_V4MAPPED(a)(((a)->_S6_un._S6_u32[0] == 0) && ((a)->_S6_un. _S6_u32[1] == 0) && ((a)->_S6_un._S6_u8[8] == 0) && ((a)->_S6_un._S6_u8[9] == 0) && ((a)->_S6_un._S6_u8 [10] == 0xff) && ((a)->_S6_un._S6_u8[11] == 0xff)) \ | ||||
134 | (((a)->pr_s6_addr32_S6_un._S6_u32[0] == 0) && \ | ||||
135 | ((a)->pr_s6_addr32_S6_un._S6_u32[1] == 0) && \ | ||||
136 | ((a)->pr_s6_addr_S6_un._S6_u8[8] == 0) && \ | ||||
137 | ((a)->pr_s6_addr_S6_un._S6_u8[9] == 0) && \ | ||||
138 | ((a)->pr_s6_addr_S6_un._S6_u8[10] == 0xff) && \ | ||||
139 | ((a)->pr_s6_addr_S6_un._S6_u8[11] == 0xff)) | ||||
140 | |||||
141 | #define _PR_IN6_IS_ADDR_V4COMPAT(a)(((a)->_S6_un._S6_u32[0] == 0) && ((a)->_S6_un. _S6_u32[1] == 0) && ((a)->_S6_un._S6_u32[2] == 0)) \ | ||||
142 | (((a)->pr_s6_addr32_S6_un._S6_u32[0] == 0) && \ | ||||
143 | ((a)->pr_s6_addr32_S6_un._S6_u32[1] == 0) && \ | ||||
144 | ((a)->pr_s6_addr32_S6_un._S6_u32[2] == 0)) | ||||
145 | |||||
146 | #define _PR_IN6_V4MAPPED_TO_IPADDR(a)((a)->_S6_un._S6_u32[3]) ((a)->pr_s6_addr32_S6_un._S6_u32[3]) | ||||
147 | |||||
148 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
149 | |||||
150 | /* | ||||
151 | * The _pr_QueryNetIfs() function finds out if the system has | ||||
152 | * IPv4 or IPv6 source addresses configured and sets _pr_have_inet_if | ||||
153 | * and _pr_have_inet6_if accordingly. | ||||
154 | * | ||||
155 | * We have an implementation using SIOCGIFCONF ioctl and a | ||||
156 | * default implementation that simply sets _pr_have_inet_if | ||||
157 | * and _pr_have_inet6_if to true. A better implementation | ||||
158 | * would be to use the routing sockets (see Chapter 17 of | ||||
159 | * W. Richard Stevens' Unix Network Programming, Vol. 1, 2nd. Ed.) | ||||
160 | */ | ||||
161 | |||||
162 | static PRLock *_pr_query_ifs_lock = NULL((void*)0); | ||||
163 | static PRBool _pr_have_inet_if = PR_FALSE0; | ||||
164 | static PRBool _pr_have_inet6_if = PR_FALSE0; | ||||
165 | |||||
166 | #undef DEBUG_QUERY_IFS | ||||
167 | |||||
168 | #if defined(AIX) \ | ||||
169 | || (defined(DARWIN) && !defined(HAVE_GETIFADDRS)) | ||||
170 | |||||
171 | /* | ||||
172 | * Use SIOCGIFCONF ioctl on platforms that don't have routing | ||||
173 | * sockets. Warning: whether SIOCGIFCONF ioctl returns AF_INET6 | ||||
174 | * network interfaces is not portable. | ||||
175 | * | ||||
176 | * The _pr_QueryNetIfs() function is derived from the code in | ||||
177 | * src/lib/libc/net/getifaddrs.c in BSD Unix and the code in | ||||
178 | * Section 16.6 of W. Richard Stevens' Unix Network Programming, | ||||
179 | * Vol. 1, 2nd. Ed. | ||||
180 | */ | ||||
181 | |||||
182 | #include <sys/ioctl.h> | ||||
183 | #include <sys/socket.h> | ||||
184 | #include <netinet/in.h> | ||||
185 | #include <net/if.h> | ||||
186 | |||||
187 | #ifdef DEBUG_QUERY_IFS | ||||
188 | static void | ||||
189 | _pr_PrintIfreq(struct ifreq *ifr) | ||||
190 | { | ||||
191 | PRNetAddr addr; | ||||
192 | struct sockaddr *sa; | ||||
193 | const char* family; | ||||
194 | char addrstr[64]; | ||||
195 | |||||
196 | sa = &ifr->ifr_addr; | ||||
197 | if (sa->sa_family == AF_INET2) { | ||||
198 | struct sockaddr_in *sin = (struct sockaddr_in *)sa; | ||||
199 | family = "inet"; | ||||
200 | memcpy(&addr.inet.ip, &sin->sin_addr, sizeof(sin->sin_addr)); | ||||
201 | } else if (sa->sa_family == AF_INET610) { | ||||
202 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; | ||||
203 | family = "inet6"; | ||||
204 | memcpy(&addr.ipv6.ip, &sin6->sin6_addr, sizeof(sin6->sin6_addr)); | ||||
205 | } else { | ||||
206 | return; /* skip if not AF_INET or AF_INET6 */ | ||||
207 | } | ||||
208 | addr.raw.family = sa->sa_family; | ||||
209 | PR_NetAddrToString(&addr, addrstr, sizeof(addrstr)); | ||||
210 | printf("%s: %s %s\n", ifr->ifr_name, family, addrstr); | ||||
211 | } | ||||
212 | #endif | ||||
213 | |||||
214 | static void | ||||
215 | _pr_QueryNetIfs(void) | ||||
216 | { | ||||
217 | int sock; | ||||
218 | int rv; | ||||
219 | struct ifconf ifc; | ||||
220 | struct ifreq *ifr; | ||||
221 | struct ifreq *lifr; | ||||
222 | PRUint32 len, lastlen; | ||||
223 | char *buf; | ||||
224 | |||||
225 | if ((sock = socket(AF_INET2, SOCK_STREAMSOCK_STREAM, 0)) == -1) { | ||||
226 | return; | ||||
227 | } | ||||
228 | |||||
229 | /* Issue SIOCGIFCONF request in a loop. */ | ||||
230 | lastlen = 0; | ||||
231 | len = 100 * sizeof(struct ifreq); /* initial buffer size guess */ | ||||
232 | for (;;) { | ||||
233 | buf = (char *)PR_Malloc(len); | ||||
234 | if (NULL((void*)0) == buf) { | ||||
235 | close(sock); | ||||
236 | return; | ||||
237 | } | ||||
238 | ifc.ifc_buf = buf; | ||||
239 | ifc.ifc_len = len; | ||||
240 | rv = ioctl(sock, SIOCGIFCONF, &ifc); | ||||
241 | if (rv < 0) { | ||||
242 | if (errno(*__errno_location ()) != EINVAL22 || lastlen != 0) { | ||||
243 | close(sock); | ||||
244 | PR_Free(buf); | ||||
245 | return; | ||||
246 | } | ||||
247 | } else { | ||||
248 | if (ifc.ifc_len == lastlen) { | ||||
249 | break; /* success, len has not changed */ | ||||
250 | } | ||||
251 | lastlen = ifc.ifc_len; | ||||
252 | } | ||||
253 | len += 10 * sizeof(struct ifreq); /* increment */ | ||||
254 | PR_Free(buf); | ||||
255 | } | ||||
256 | close(sock); | ||||
257 | |||||
258 | ifr = ifc.ifc_req; | ||||
259 | lifr = (struct ifreq *)&ifc.ifc_buf[ifc.ifc_len]; | ||||
260 | |||||
261 | while (ifr < lifr) { | ||||
262 | struct sockaddr *sa; | ||||
263 | int sa_len; | ||||
264 | |||||
265 | #ifdef DEBUG_QUERY_IFS | ||||
266 | _pr_PrintIfreq(ifr); | ||||
267 | #endif | ||||
268 | sa = &ifr->ifr_addr; | ||||
269 | if (sa->sa_family == AF_INET2) { | ||||
270 | struct sockaddr_in *sin = (struct sockaddr_in *) sa; | ||||
271 | if (sin->sin_addr.s_addr != htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001))) { | ||||
272 | _pr_have_inet_if = PR_TRUE1; | ||||
273 | } | ||||
274 | } else if (sa->sa_family == AF_INET610) { | ||||
275 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa; | ||||
276 | if (!IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr)(__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (&sin6->sin6_addr); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u .__u6_addr32[3] == htonl (1); })) | ||||
277 | && !IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)(__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (&sin6->sin6_addr); (__a->__in6_u.__u6_addr32[0 ] & htonl (0xffc00000)) == htonl (0xfe800000); }))) { | ||||
278 | _pr_have_inet6_if = PR_TRUE1; | ||||
279 | } | ||||
280 | } | ||||
281 | |||||
282 | #ifdef _PR_HAVE_SOCKADDR_LEN | ||||
283 | sa_len = PR_MAX(sa->sa_len, sizeof(struct sockaddr))((sa->sa_len)>(sizeof(struct sockaddr))?(sa->sa_len) :(sizeof(struct sockaddr))); | ||||
284 | #else | ||||
285 | switch (sa->sa_family) { | ||||
286 | #ifdef AF_LINK | ||||
287 | case AF_LINK: | ||||
288 | sa_len = sizeof(struct sockaddr_dl); | ||||
289 | break; | ||||
290 | #endif | ||||
291 | case AF_INET610: | ||||
292 | sa_len = sizeof(struct sockaddr_in6); | ||||
293 | break; | ||||
294 | default: | ||||
295 | sa_len = sizeof(struct sockaddr); | ||||
296 | break; | ||||
297 | } | ||||
298 | #endif | ||||
299 | ifr = (struct ifreq *)(((char *)sa) + sa_len); | ||||
300 | } | ||||
301 | PR_Free(buf); | ||||
302 | } | ||||
303 | |||||
304 | #elif (defined(DARWIN) && defined(HAVE_GETIFADDRS)) || defined(FREEBSD) \ | ||||
305 | || defined(NETBSD) || defined(OPENBSD) | ||||
306 | |||||
307 | /* | ||||
308 | * Use the BSD getifaddrs function. | ||||
309 | */ | ||||
310 | |||||
311 | #include <sys/types.h> | ||||
312 | #include <sys/socket.h> | ||||
313 | #include <ifaddrs.h> | ||||
314 | #include <netinet/in.h> | ||||
315 | |||||
316 | #ifdef DEBUG_QUERY_IFS | ||||
317 | static void | ||||
318 | _pr_PrintIfaddrs(struct ifaddrs *ifa) | ||||
319 | { | ||||
320 | struct sockaddr *sa; | ||||
321 | const char* family; | ||||
322 | void *addrp; | ||||
323 | char addrstr[64]; | ||||
324 | |||||
325 | sa = ifa->ifa_addr; | ||||
326 | if (sa->sa_family == AF_INET2) { | ||||
327 | struct sockaddr_in *sin = (struct sockaddr_in *)sa; | ||||
328 | family = "inet"; | ||||
329 | addrp = &sin->sin_addr; | ||||
330 | } else if (sa->sa_family == AF_INET610) { | ||||
331 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *)sa; | ||||
332 | family = "inet6"; | ||||
333 | addrp = &sin6->sin6_addr; | ||||
334 | } else { | ||||
335 | return; /* skip if not AF_INET or AF_INET6 */ | ||||
336 | } | ||||
337 | inet_ntop(sa->sa_family, addrp, addrstr, sizeof(addrstr)); | ||||
338 | printf("%s: %s %s\n", ifa->ifa_name, family, addrstr); | ||||
339 | } | ||||
340 | #endif | ||||
341 | |||||
342 | static void | ||||
343 | _pr_QueryNetIfs(void) | ||||
344 | { | ||||
345 | struct ifaddrs *ifp; | ||||
346 | struct ifaddrs *ifa; | ||||
347 | |||||
348 | if (getifaddrs(&ifp) == -1) { | ||||
349 | return; | ||||
350 | } | ||||
351 | for (ifa = ifp; ifa; ifa = ifa->ifa_next) { | ||||
352 | struct sockaddr *sa; | ||||
353 | |||||
354 | #ifdef DEBUG_QUERY_IFS | ||||
355 | _pr_PrintIfaddrs(ifa); | ||||
356 | #endif | ||||
357 | sa = ifa->ifa_addr; | ||||
358 | if (sa->sa_family == AF_INET2) { | ||||
359 | struct sockaddr_in *sin = (struct sockaddr_in *) sa; | ||||
360 | if (sin->sin_addr.s_addr != htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001))) { | ||||
361 | _pr_have_inet_if = 1; | ||||
362 | } | ||||
363 | } else if (sa->sa_family == AF_INET610) { | ||||
364 | struct sockaddr_in6 *sin6 = (struct sockaddr_in6 *) sa; | ||||
365 | if (!IN6_IS_ADDR_LOOPBACK(&sin6->sin6_addr)(__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (&sin6->sin6_addr); __a->__in6_u.__u6_addr32[0] == 0 && __a->__in6_u.__u6_addr32[1] == 0 && __a->__in6_u.__u6_addr32[2] == 0 && __a->__in6_u .__u6_addr32[3] == htonl (1); })) | ||||
366 | && !IN6_IS_ADDR_LINKLOCAL(&sin6->sin6_addr)(__extension__ ({ const struct in6_addr *__a = (const struct in6_addr *) (&sin6->sin6_addr); (__a->__in6_u.__u6_addr32[0 ] & htonl (0xffc00000)) == htonl (0xfe800000); }))) { | ||||
367 | _pr_have_inet6_if = 1; | ||||
368 | } | ||||
369 | } | ||||
370 | } | ||||
371 | freeifaddrs(ifp); | ||||
372 | } | ||||
373 | |||||
374 | #else /* default */ | ||||
375 | |||||
376 | /* | ||||
377 | * Emulate the code in NSPR 4.2 or older. PR_GetIPNodeByName behaves | ||||
378 | * as if the system had both IPv4 and IPv6 source addresses configured. | ||||
379 | */ | ||||
380 | static void | ||||
381 | _pr_QueryNetIfs(void) | ||||
382 | { | ||||
383 | _pr_have_inet_if = PR_TRUE1; | ||||
384 | _pr_have_inet6_if = PR_TRUE1; | ||||
385 | } | ||||
386 | |||||
387 | #endif | ||||
388 | |||||
389 | #endif /* _PR_INET6 && _PR_HAVE_GETHOSTBYNAME2 */ | ||||
390 | |||||
391 | void _PR_InitNet(void) | ||||
392 | { | ||||
393 | #if defined(XP_UNIX1) | ||||
394 | #ifdef HAVE_NETCONFIG | ||||
395 | /* | ||||
396 | * This one-liner prevents the endless re-open's and re-read's of | ||||
397 | * /etc/netconfig on EACH and EVERY call to accept(), connect(), etc. | ||||
398 | */ | ||||
399 | (void)setnetconfig(); | ||||
400 | #endif | ||||
401 | #endif | ||||
402 | #if !defined(_PR_NO_DNS_LOCK) | ||||
403 | _pr_dnsLock = PR_NewLock(); | ||||
404 | #endif | ||||
405 | #if !defined(_PR_HAVE_GETPROTO_R) | ||||
406 | _getproto_lock = PR_NewLock(); | ||||
407 | #endif | ||||
408 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
409 | _pr_query_ifs_lock = PR_NewLock(); | ||||
410 | #endif | ||||
411 | } | ||||
412 | |||||
413 | void _PR_CleanupNet(void) | ||||
414 | { | ||||
415 | #if !defined(_PR_NO_DNS_LOCK) | ||||
416 | if (_pr_dnsLock) { | ||||
417 | PR_DestroyLock(_pr_dnsLock); | ||||
418 | _pr_dnsLock = NULL((void*)0); | ||||
419 | } | ||||
420 | #endif | ||||
421 | #if !defined(_PR_HAVE_GETPROTO_R) | ||||
422 | if (_getproto_lock) { | ||||
423 | PR_DestroyLock(_getproto_lock); | ||||
424 | _getproto_lock = NULL((void*)0); | ||||
425 | } | ||||
426 | #endif | ||||
427 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
428 | if (_pr_query_ifs_lock) { | ||||
429 | PR_DestroyLock(_pr_query_ifs_lock); | ||||
430 | _pr_query_ifs_lock = NULL((void*)0); | ||||
431 | } | ||||
432 | #endif | ||||
433 | } | ||||
434 | |||||
435 | /* | ||||
436 | ** Allocate space from the buffer, aligning it to "align" before doing | ||||
437 | ** the allocation. "align" must be a power of 2. | ||||
438 | */ | ||||
439 | static char *Alloc(PRIntn amount, char **bufp, PRIntn *buflenp, PRIntn align) | ||||
440 | { | ||||
441 | char *buf = *bufp; | ||||
442 | PRIntn buflen = *buflenp; | ||||
443 | |||||
444 | if (align && ((long)buf & (align - 1))) { | ||||
445 | PRIntn skip = align - ((ptrdiff_t)buf & (align - 1)); | ||||
446 | if (buflen < skip) { | ||||
447 | return 0; | ||||
448 | } | ||||
449 | buf += skip; | ||||
450 | buflen -= skip; | ||||
451 | } | ||||
452 | if (buflen < amount) { | ||||
453 | return 0; | ||||
454 | } | ||||
455 | *bufp = buf + amount; | ||||
456 | *buflenp = buflen - amount; | ||||
457 | return buf; | ||||
458 | } | ||||
459 | |||||
460 | typedef enum _PRIPAddrConversion { | ||||
461 | _PRIPAddrNoConversion, | ||||
462 | _PRIPAddrIPv4Mapped, | ||||
463 | _PRIPAddrIPv4Compat | ||||
464 | } _PRIPAddrConversion; | ||||
465 | |||||
466 | /* | ||||
467 | ** Convert an IPv4 address (v4) to an IPv4-mapped IPv6 address (v6). | ||||
468 | */ | ||||
469 | static void MakeIPv4MappedAddr(const char *v4, char *v6) | ||||
470 | { | ||||
471 | memset(v6, 0, 10); | ||||
472 | memset(v6 + 10, 0xff, 2); | ||||
473 | memcpy(v6 + 12, v4, 4); | ||||
474 | } | ||||
475 | |||||
476 | /* | ||||
477 | ** Convert an IPv4 address (v4) to an IPv4-compatible IPv6 address (v6). | ||||
478 | */ | ||||
479 | static void MakeIPv4CompatAddr(const char *v4, char *v6) | ||||
480 | { | ||||
481 | memset(v6, 0, 12); | ||||
482 | memcpy(v6 + 12, v4, 4); | ||||
483 | } | ||||
484 | |||||
485 | /* | ||||
486 | ** Copy a hostent, and all of the memory that it refers to into | ||||
487 | ** (hopefully) stacked buffers. | ||||
488 | */ | ||||
489 | static PRStatus CopyHostent( | ||||
490 | struct hostent *from, | ||||
491 | char **buf, | ||||
492 | PRIntn *bufsize, | ||||
493 | _PRIPAddrConversion conversion, | ||||
494 | PRHostEnt *to) | ||||
495 | { | ||||
496 | PRIntn len, na; | ||||
497 | char **ap; | ||||
498 | |||||
499 | if (conversion != _PRIPAddrNoConversion | ||||
500 | && from->h_addrtype == AF_INET2) { | ||||
501 | PR_ASSERT(from->h_length == 4)((from->h_length == 4)?((void)0):PR_Assert("from->h_length == 4" ,"../../../../pr/src/misc/prnetdb.c",501)); | ||||
502 | to->h_addrtype = PR_AF_INET610; | ||||
503 | to->h_length = 16; | ||||
504 | } else { | ||||
505 | #if defined(_PR_INET6) || defined(_PR_INET6_PROBE) | ||||
506 | if (AF_INET610 == from->h_addrtype) { | ||||
507 | to->h_addrtype = PR_AF_INET610; | ||||
508 | } | ||||
509 | else | ||||
510 | #endif | ||||
511 | to->h_addrtype = from->h_addrtype; | ||||
512 | to->h_length = from->h_length; | ||||
513 | } | ||||
514 | |||||
515 | /* Copy the official name */ | ||||
516 | if (!from->h_name) { | ||||
517 | return PR_FAILURE; | ||||
518 | } | ||||
519 | len = strlen(from->h_name) + 1; | ||||
520 | to->h_name = Alloc(len, buf, bufsize, 0); | ||||
521 | if (!to->h_name) { | ||||
522 | return PR_FAILURE; | ||||
523 | } | ||||
524 | memcpy(to->h_name, from->h_name, len); | ||||
525 | |||||
526 | /* Count the aliases, then allocate storage for the pointers */ | ||||
527 | if (!from->h_aliases) { | ||||
528 | na = 1; | ||||
529 | } else { | ||||
530 | for (na = 1, ap = from->h_aliases; *ap != 0; na++, ap++) {;} /* nothing to execute */ | ||||
531 | } | ||||
532 | to->h_aliases = (char**)Alloc( | ||||
533 | na * sizeof(char*), buf, bufsize, sizeof(char**)); | ||||
534 | if (!to->h_aliases) { | ||||
535 | return PR_FAILURE; | ||||
536 | } | ||||
537 | |||||
538 | /* Copy the aliases, one at a time */ | ||||
539 | if (!from->h_aliases) { | ||||
540 | to->h_aliases[0] = 0; | ||||
541 | } else { | ||||
542 | for (na = 0, ap = from->h_aliases; *ap != 0; na++, ap++) { | ||||
543 | len = strlen(*ap) + 1; | ||||
544 | to->h_aliases[na] = Alloc(len, buf, bufsize, 0); | ||||
545 | if (!to->h_aliases[na]) { | ||||
546 | return PR_FAILURE; | ||||
547 | } | ||||
548 | memcpy(to->h_aliases[na], *ap, len); | ||||
549 | } | ||||
550 | to->h_aliases[na] = 0; | ||||
551 | } | ||||
552 | |||||
553 | /* Count the addresses, then allocate storage for the pointers */ | ||||
554 | for (na = 1, ap = from->h_addr_list; *ap != 0; na++, ap++) {;} /* nothing to execute */ | ||||
555 | to->h_addr_list = (char**)Alloc( | ||||
556 | na * sizeof(char*), buf, bufsize, sizeof(char**)); | ||||
557 | if (!to->h_addr_list) { | ||||
558 | return PR_FAILURE; | ||||
559 | } | ||||
560 | |||||
561 | /* Copy the addresses, one at a time */ | ||||
562 | for (na = 0, ap = from->h_addr_list; *ap != 0; na++, ap++) { | ||||
563 | to->h_addr_list[na] = Alloc(to->h_length, buf, bufsize, 0); | ||||
564 | if (!to->h_addr_list[na]) { | ||||
565 | return PR_FAILURE; | ||||
566 | } | ||||
567 | if (conversion != _PRIPAddrNoConversion | ||||
568 | && from->h_addrtype == AF_INET2) { | ||||
569 | if (conversion == _PRIPAddrIPv4Mapped) { | ||||
570 | MakeIPv4MappedAddr(*ap, to->h_addr_list[na]); | ||||
571 | } else { | ||||
572 | PR_ASSERT(conversion == _PRIPAddrIPv4Compat)((conversion == _PRIPAddrIPv4Compat)?((void)0):PR_Assert("conversion == _PRIPAddrIPv4Compat" ,"../../../../pr/src/misc/prnetdb.c",572)); | ||||
573 | MakeIPv4CompatAddr(*ap, to->h_addr_list[na]); | ||||
574 | } | ||||
575 | } else { | ||||
576 | memcpy(to->h_addr_list[na], *ap, to->h_length); | ||||
577 | } | ||||
578 | } | ||||
579 | to->h_addr_list[na] = 0; | ||||
580 | return PR_SUCCESS; | ||||
581 | } | ||||
582 | |||||
583 | #if !defined(_PR_HAVE_GETPROTO_R) | ||||
584 | /* | ||||
585 | ** Copy a protoent, and all of the memory that it refers to into | ||||
586 | ** (hopefully) stacked buffers. | ||||
587 | */ | ||||
588 | static PRStatus CopyProtoent( | ||||
589 | struct protoent *from, char *buf, PRIntn bufsize, PRProtoEnt *to) | ||||
590 | { | ||||
591 | PRIntn len, na; | ||||
592 | char **ap; | ||||
593 | |||||
594 | /* Do the easy stuff */ | ||||
595 | to->p_num = from->p_proto; | ||||
596 | |||||
597 | /* Copy the official name */ | ||||
598 | if (!from->p_name) { | ||||
599 | return PR_FAILURE; | ||||
600 | } | ||||
601 | len = strlen(from->p_name) + 1; | ||||
602 | to->p_name = Alloc(len, &buf, &bufsize, 0); | ||||
603 | if (!to->p_name) { | ||||
604 | return PR_FAILURE; | ||||
605 | } | ||||
606 | memcpy(to->p_name, from->p_name, len); | ||||
607 | |||||
608 | /* Count the aliases, then allocate storage for the pointers */ | ||||
609 | for (na = 1, ap = from->p_aliases; *ap != 0; na++, ap++) {;} /* nothing to execute */ | ||||
610 | to->p_aliases = (char**)Alloc( | ||||
611 | na * sizeof(char*), &buf, &bufsize, sizeof(char**)); | ||||
612 | if (!to->p_aliases) { | ||||
613 | return PR_FAILURE; | ||||
614 | } | ||||
615 | |||||
616 | /* Copy the aliases, one at a time */ | ||||
617 | for (na = 0, ap = from->p_aliases; *ap != 0; na++, ap++) { | ||||
618 | len = strlen(*ap) + 1; | ||||
619 | to->p_aliases[na] = Alloc(len, &buf, &bufsize, 0); | ||||
620 | if (!to->p_aliases[na]) { | ||||
621 | return PR_FAILURE; | ||||
622 | } | ||||
623 | memcpy(to->p_aliases[na], *ap, len); | ||||
624 | } | ||||
625 | to->p_aliases[na] = 0; | ||||
626 | |||||
627 | return PR_SUCCESS; | ||||
628 | } | ||||
629 | #endif /* !defined(_PR_HAVE_GETPROTO_R) */ | ||||
630 | |||||
631 | /* | ||||
632 | * ################################################################# | ||||
633 | * NOTE: tmphe, tmpbuf, bufsize, h, and h_err are local variables | ||||
634 | * or arguments of PR_GetHostByName, PR_GetIPNodeByName, and | ||||
635 | * PR_GetHostByAddr. DO NOT CHANGE THE NAMES OF THESE LOCAL | ||||
636 | * VARIABLES OR ARGUMENTS. | ||||
637 | * ################################################################# | ||||
638 | */ | ||||
639 | #if defined(_PR_HAVE_GETHOST_R_INT) | ||||
640 | |||||
641 | #define GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h) \ | ||||
642 | (gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, &h_err), h) | ||||
643 | #define GETHOSTBYNAME2(name, af)(gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, & h, &h_err), h) \ | ||||
644 | (gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, &h, &h_err), h) | ||||
645 | #define GETHOSTBYADDR(addr, addrlen, af)(gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize , &h, &h_err), h) \ | ||||
646 | (gethostbyaddr_r(addr, addrlen, af, \ | ||||
647 | &tmphe, tmpbuf, bufsize, &h, &h_err), h) | ||||
648 | |||||
649 | #elif defined(_PR_HAVE_GETHOST_R_POINTER) | ||||
650 | |||||
651 | #define GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h) \ | ||||
652 | gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h_err) | ||||
653 | #define GETHOSTBYNAME2(name, af)(gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, & h, &h_err), h) \ | ||||
654 | gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, &h_err) | ||||
655 | #define GETHOSTBYADDR(addr, addrlen, af)(gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize , &h, &h_err), h) \ | ||||
656 | gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize, &h_err) | ||||
657 | |||||
658 | #else | ||||
659 | |||||
660 | #define GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h) gethostbyname(name) | ||||
661 | #define GETHOSTBYNAME2(name, af)(gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, & h, &h_err), h) gethostbyname2(name, af) | ||||
662 | #define GETHOSTBYADDR(addr, addrlen, af)(gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize , &h, &h_err), h) gethostbyaddr(addr, addrlen, af) | ||||
663 | |||||
664 | #endif /* definition of GETHOSTBYXXX */ | ||||
665 | |||||
666 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_GetHostByName( | ||||
667 | const char *name, char *buf, PRIntn bufsize, PRHostEnt *hp) | ||||
668 | { | ||||
669 | struct hostent *h; | ||||
670 | PRStatus rv = PR_FAILURE; | ||||
671 | #if defined(_PR_HAVE_GETHOST_R) | ||||
672 | char localbuf[PR_NETDB_BUF_SIZE2048]; | ||||
673 | char *tmpbuf; | ||||
674 | struct hostent tmphe; | ||||
675 | int h_err; | ||||
676 | #endif | ||||
677 | |||||
678 | if (!_pr_initialized) { | ||||
679 | _PR_ImplicitInitialization(); | ||||
680 | } | ||||
681 | |||||
682 | #if defined(_PR_HAVE_GETHOST_R) | ||||
683 | tmpbuf = localbuf; | ||||
684 | if (bufsize > sizeof(localbuf)) | ||||
685 | { | ||||
686 | tmpbuf = (char *)PR_Malloc(bufsize); | ||||
687 | if (NULL((void*)0) == tmpbuf) | ||||
688 | { | ||||
689 | PR_SetError(PR_OUT_OF_MEMORY_ERROR(-6000L), 0); | ||||
690 | return rv; | ||||
691 | } | ||||
692 | } | ||||
693 | #endif | ||||
694 | |||||
695 | LOCK_DNS(); | ||||
696 | |||||
697 | h = GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h); | ||||
698 | |||||
699 | if (NULL((void*)0) == h) | ||||
700 | { | ||||
701 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_GETHOST_ERRNO()(*__h_errno_location ())); | ||||
702 | } | ||||
703 | else | ||||
704 | { | ||||
705 | _PRIPAddrConversion conversion = _PRIPAddrNoConversion; | ||||
706 | rv = CopyHostent(h, &buf, &bufsize, conversion, hp); | ||||
707 | if (PR_SUCCESS != rv) { | ||||
708 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
709 | } | ||||
710 | } | ||||
711 | UNLOCK_DNS(); | ||||
712 | #if defined(_PR_HAVE_GETHOST_R) | ||||
713 | if (tmpbuf != localbuf) { | ||||
714 | PR_Free(tmpbuf); | ||||
715 | } | ||||
716 | #endif | ||||
717 | return rv; | ||||
718 | } | ||||
719 | |||||
720 | #if !defined(_PR_INET6) && \ | ||||
721 | defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
722 | typedef struct hostent * (*_pr_getipnodebyname_t)(const char *, int, | ||||
723 | int, int *); | ||||
724 | typedef struct hostent * (*_pr_getipnodebyaddr_t)(const void *, size_t, | ||||
725 | int, int *); | ||||
726 | typedef void (*_pr_freehostent_t)(struct hostent *); | ||||
727 | static void * _pr_getipnodebyname_fp; | ||||
728 | static void * _pr_getipnodebyaddr_fp; | ||||
729 | static void * _pr_freehostent_fp; | ||||
730 | |||||
731 | /* | ||||
732 | * Look up the addresses of getipnodebyname, getipnodebyaddr, | ||||
733 | * and freehostent. | ||||
734 | */ | ||||
735 | PRStatus | ||||
736 | _pr_find_getipnodebyname(void) | ||||
737 | { | ||||
738 | PRLibrary *lib; | ||||
739 | PRStatus rv; | ||||
740 | #define GETIPNODEBYNAME "getipnodebyname" | ||||
741 | #define GETIPNODEBYADDR "getipnodebyaddr" | ||||
742 | #define FREEHOSTENT "freehostent" | ||||
743 | |||||
744 | _pr_getipnodebyname_fp = PR_FindSymbolAndLibrary(GETIPNODEBYNAME, &lib); | ||||
745 | if (NULL((void*)0) != _pr_getipnodebyname_fp) { | ||||
746 | _pr_freehostent_fp = PR_FindSymbol(lib, FREEHOSTENT); | ||||
747 | if (NULL((void*)0) != _pr_freehostent_fp) { | ||||
748 | _pr_getipnodebyaddr_fp = PR_FindSymbol(lib, GETIPNODEBYADDR); | ||||
749 | if (NULL((void*)0) != _pr_getipnodebyaddr_fp) { | ||||
750 | rv = PR_SUCCESS; | ||||
751 | } | ||||
752 | else { | ||||
753 | rv = PR_FAILURE; | ||||
754 | } | ||||
755 | } else { | ||||
756 | rv = PR_FAILURE; | ||||
757 | } | ||||
758 | (void)PR_UnloadLibrary(lib); | ||||
759 | } else { | ||||
760 | rv = PR_FAILURE; | ||||
761 | } | ||||
762 | return rv; | ||||
763 | } | ||||
764 | #endif | ||||
765 | |||||
766 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
767 | /* | ||||
768 | ** Append the V4 addresses to the end of the list | ||||
769 | */ | ||||
770 | static PRStatus AppendV4AddrsToHostent( | ||||
771 | struct hostent *from, | ||||
772 | char **buf, | ||||
773 | PRIntn *bufsize, | ||||
774 | PRHostEnt *to) | ||||
775 | { | ||||
776 | PRIntn na, na_old; | ||||
777 | char **ap; | ||||
778 | char **new_addr_list; | ||||
779 | |||||
780 | /* Count the addresses, then grow storage for the pointers */ | ||||
781 | for (na_old = 0, ap = to->h_addr_list; *ap != 0; na_old++, ap++) | ||||
782 | {;} /* nothing to execute */ | ||||
783 | for (na = na_old + 1, ap = from->h_addr_list; *ap != 0; na++, ap++) | ||||
784 | {;} /* nothing to execute */ | ||||
785 | new_addr_list = (char**)Alloc( | ||||
786 | na * sizeof(char*), buf, bufsize, sizeof(char**)); | ||||
787 | if (!new_addr_list) { | ||||
788 | return PR_FAILURE; | ||||
789 | } | ||||
790 | |||||
791 | /* Copy the V6 addresses, one at a time */ | ||||
792 | for (na = 0, ap = to->h_addr_list; *ap != 0; na++, ap++) { | ||||
793 | new_addr_list[na] = to->h_addr_list[na]; | ||||
794 | } | ||||
795 | to->h_addr_list = new_addr_list; | ||||
796 | |||||
797 | /* Copy the V4 addresses, one at a time */ | ||||
798 | for (ap = from->h_addr_list; *ap != 0; na++, ap++) { | ||||
799 | to->h_addr_list[na] = Alloc(to->h_length, buf, bufsize, 0); | ||||
800 | if (!to->h_addr_list[na]) { | ||||
801 | return PR_FAILURE; | ||||
802 | } | ||||
803 | MakeIPv4MappedAddr(*ap, to->h_addr_list[na]); | ||||
804 | } | ||||
805 | to->h_addr_list[na] = 0; | ||||
806 | return PR_SUCCESS; | ||||
807 | } | ||||
808 | #endif | ||||
809 | |||||
810 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_GetIPNodeByName( | ||||
811 | const char *name, PRUint16 af, PRIntn flags, | ||||
812 | char *buf, PRIntn bufsize, PRHostEnt *hp) | ||||
813 | { | ||||
814 | struct hostent *h = 0; | ||||
815 | PRStatus rv = PR_FAILURE; | ||||
816 | #if defined(_PR_HAVE_GETHOST_R) | ||||
817 | char localbuf[PR_NETDB_BUF_SIZE2048]; | ||||
818 | char *tmpbuf; | ||||
819 | struct hostent tmphe; | ||||
820 | int h_err; | ||||
821 | #endif | ||||
822 | #if defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
823 | PRUint16 md_af = af; | ||||
824 | int error_num; | ||||
825 | int tmp_flags = 0; | ||||
826 | #endif | ||||
827 | #if defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
828 | PRBool did_af_inet = PR_FALSE0; | ||||
829 | #endif | ||||
830 | |||||
831 | if (!_pr_initialized) { | ||||
832 | _PR_ImplicitInitialization(); | ||||
833 | } | ||||
834 | |||||
835 | if (af != PR_AF_INET2 && af != PR_AF_INET610) { | ||||
836 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
837 | return PR_FAILURE; | ||||
838 | } | ||||
839 | |||||
840 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
841 | PR_Lock(_pr_query_ifs_lock); | ||||
842 | /* | ||||
843 | * Keep querying the presence of IPv4 and IPv6 interfaces until | ||||
844 | * at least one is up. This allows us to detect the local | ||||
845 | * machine going from offline to online. | ||||
846 | */ | ||||
847 | if (!_pr_have_inet_if && !_pr_have_inet6_if) { | ||||
848 | _pr_QueryNetIfs(); | ||||
849 | #ifdef DEBUG_QUERY_IFS | ||||
850 | if (_pr_have_inet_if) { | ||||
851 | printf("Have IPv4 source address\n"); | ||||
852 | } | ||||
853 | if (_pr_have_inet6_if) { | ||||
854 | printf("Have IPv6 source address\n"); | ||||
855 | } | ||||
856 | #endif | ||||
857 | } | ||||
858 | PR_Unlock(_pr_query_ifs_lock); | ||||
859 | #endif | ||||
860 | |||||
861 | #if defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
862 | if (flags & PR_AI_V4MAPPED0x10) { | ||||
863 | tmp_flags |= AI_V4MAPPED0x0008; | ||||
864 | } | ||||
865 | if (flags & PR_AI_ADDRCONFIG0x20) { | ||||
866 | tmp_flags |= AI_ADDRCONFIG0x0020; | ||||
867 | } | ||||
868 | if (flags & PR_AI_ALL0x08) { | ||||
869 | tmp_flags |= AI_ALL0x0010; | ||||
870 | } | ||||
871 | if (af == PR_AF_INET610) { | ||||
872 | md_af = AF_INET610; | ||||
873 | } | ||||
874 | else { | ||||
875 | md_af = af; | ||||
876 | } | ||||
877 | #endif | ||||
878 | |||||
879 | #if defined(_PR_HAVE_GETHOST_R) | ||||
880 | tmpbuf = localbuf; | ||||
881 | if (bufsize > sizeof(localbuf)) | ||||
882 | { | ||||
883 | tmpbuf = (char *)PR_Malloc(bufsize); | ||||
884 | if (NULL((void*)0) == tmpbuf) | ||||
885 | { | ||||
886 | PR_SetError(PR_OUT_OF_MEMORY_ERROR(-6000L), 0); | ||||
887 | return rv; | ||||
888 | } | ||||
889 | } | ||||
890 | #endif | ||||
891 | |||||
892 | /* Do not need to lock the DNS lock if getipnodebyname() is called */ | ||||
893 | #ifdef _PR_INET6 | ||||
894 | #ifdef _PR_HAVE_GETHOSTBYNAME2 | ||||
895 | LOCK_DNS(); | ||||
896 | if (af == PR_AF_INET610) | ||||
897 | { | ||||
898 | if ((flags & PR_AI_ADDRCONFIG0x20) == 0 || _pr_have_inet6_if) | ||||
899 | { | ||||
900 | #ifdef _PR_INET6_PROBE | ||||
901 | if (_pr_ipv6_is_present()) | ||||
902 | #endif | ||||
903 | h = GETHOSTBYNAME2(name, AF_INET6)(gethostbyname2_r(name, 10, &tmphe, tmpbuf, bufsize, & h, &h_err), h); | ||||
904 | } | ||||
905 | if ((NULL((void*)0) == h) && (flags & PR_AI_V4MAPPED0x10) | ||||
906 | && ((flags & PR_AI_ADDRCONFIG0x20) == 0 || _pr_have_inet_if)) | ||||
907 | { | ||||
908 | did_af_inet = PR_TRUE1; | ||||
909 | h = GETHOSTBYNAME2(name, AF_INET)(gethostbyname2_r(name, 2, &tmphe, tmpbuf, bufsize, & h, &h_err), h); | ||||
910 | } | ||||
911 | } | ||||
912 | else | ||||
913 | { | ||||
914 | if ((flags & PR_AI_ADDRCONFIG0x20) == 0 || _pr_have_inet_if) | ||||
915 | { | ||||
916 | did_af_inet = PR_TRUE1; | ||||
917 | h = GETHOSTBYNAME2(name, af)(gethostbyname2_r(name, af, &tmphe, tmpbuf, bufsize, & h, &h_err), h); | ||||
918 | } | ||||
919 | } | ||||
920 | #elif defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
921 | h = getipnodebyname(name, md_af, tmp_flags, &error_num); | ||||
922 | #else | ||||
923 | #error "Unknown name-to-address translation function" | ||||
924 | #endif /* _PR_HAVE_GETHOSTBYNAME2 */ | ||||
925 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
926 | if (_pr_ipv6_is_present()) | ||||
927 | { | ||||
928 | #ifdef PR_GETIPNODE_NOT_THREADSAFE | ||||
929 | LOCK_DNS(); | ||||
930 | #endif | ||||
931 | h = (*((_pr_getipnodebyname_t)_pr_getipnodebyname_fp))(name, md_af, tmp_flags, &error_num); | ||||
932 | } | ||||
933 | else | ||||
934 | { | ||||
935 | LOCK_DNS(); | ||||
936 | h = GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h); | ||||
937 | } | ||||
938 | #else /* _PR_INET6 */ | ||||
939 | LOCK_DNS(); | ||||
940 | h = GETHOSTBYNAME(name)(gethostbyname_r(name, &tmphe, tmpbuf, bufsize, &h, & h_err), h); | ||||
941 | #endif /* _PR_INET6 */ | ||||
942 | |||||
943 | if (NULL((void*)0) == h) | ||||
944 | { | ||||
945 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
946 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), error_num); | ||||
947 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
948 | if (_pr_ipv6_is_present()) { | ||||
949 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), error_num); | ||||
950 | } | ||||
951 | else { | ||||
952 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_GETHOST_ERRNO()(*__h_errno_location ())); | ||||
953 | } | ||||
954 | #else | ||||
955 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_GETHOST_ERRNO()(*__h_errno_location ())); | ||||
956 | #endif | ||||
957 | } | ||||
958 | else | ||||
959 | { | ||||
960 | _PRIPAddrConversion conversion = _PRIPAddrNoConversion; | ||||
961 | |||||
962 | if (af == PR_AF_INET610) { | ||||
963 | conversion = _PRIPAddrIPv4Mapped; | ||||
964 | } | ||||
965 | rv = CopyHostent(h, &buf, &bufsize, conversion, hp); | ||||
966 | if (PR_SUCCESS != rv) { | ||||
967 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
968 | } | ||||
969 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
970 | freehostent(h); | ||||
971 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
972 | if (_pr_ipv6_is_present()) { | ||||
973 | (*((_pr_freehostent_t)_pr_freehostent_fp))(h); | ||||
974 | } | ||||
975 | #endif | ||||
976 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETHOSTBYNAME2) | ||||
977 | if ((PR_SUCCESS == rv) && (flags & PR_AI_V4MAPPED0x10) | ||||
978 | && ((flags & PR_AI_ALL0x08) | ||||
979 | || ((flags & PR_AI_ADDRCONFIG0x20) && _pr_have_inet_if)) | ||||
980 | && !did_af_inet && (h = GETHOSTBYNAME2(name, AF_INET)(gethostbyname2_r(name, 2, &tmphe, tmpbuf, bufsize, & h, &h_err), h)) != 0) { | ||||
981 | rv = AppendV4AddrsToHostent(h, &buf, &bufsize, hp); | ||||
982 | if (PR_SUCCESS != rv) { | ||||
983 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
984 | } | ||||
985 | } | ||||
986 | #endif | ||||
987 | } | ||||
988 | |||||
989 | /* Must match the convoluted logic above for LOCK_DNS() */ | ||||
990 | #ifdef _PR_INET6 | ||||
991 | #ifdef _PR_HAVE_GETHOSTBYNAME2 | ||||
992 | UNLOCK_DNS(); | ||||
993 | #endif /* _PR_HAVE_GETHOSTBYNAME2 */ | ||||
994 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYNAME) | ||||
995 | #ifdef PR_GETIPNODE_NOT_THREADSAFE | ||||
996 | UNLOCK_DNS(); | ||||
997 | #else | ||||
998 | if (!_pr_ipv6_is_present()) { | ||||
999 | UNLOCK_DNS(); | ||||
1000 | } | ||||
1001 | #endif | ||||
1002 | #else /* _PR_INET6 */ | ||||
1003 | UNLOCK_DNS(); | ||||
1004 | #endif /* _PR_INET6 */ | ||||
1005 | |||||
1006 | #if defined(_PR_HAVE_GETHOST_R) | ||||
1007 | if (tmpbuf != localbuf) { | ||||
1008 | PR_Free(tmpbuf); | ||||
1009 | } | ||||
1010 | #endif | ||||
1011 | |||||
1012 | return rv; | ||||
1013 | } | ||||
1014 | |||||
1015 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_GetHostByAddr( | ||||
1016 | const PRNetAddr *hostaddr, char *buf, PRIntn bufsize, PRHostEnt *hostentry) | ||||
1017 | { | ||||
1018 | struct hostent *h; | ||||
1019 | PRStatus rv = PR_FAILURE; | ||||
1020 | const void *addr; | ||||
1021 | PRUint32 tmp_ip; | ||||
1022 | int addrlen; | ||||
1023 | PRInt32 af; | ||||
1024 | #if defined(_PR_HAVE_GETHOST_R) | ||||
1025 | char localbuf[PR_NETDB_BUF_SIZE2048]; | ||||
1026 | char *tmpbuf; | ||||
1027 | struct hostent tmphe; | ||||
1028 | int h_err; | ||||
1029 | #endif | ||||
1030 | #if defined(_PR_HAVE_GETIPNODEBYADDR) | ||||
1031 | int error_num; | ||||
1032 | #endif | ||||
1033 | |||||
1034 | if (!_pr_initialized) { | ||||
1035 | _PR_ImplicitInitialization(); | ||||
1036 | } | ||||
1037 | |||||
1038 | if (hostaddr->raw.family == PR_AF_INET610) | ||||
1039 | { | ||||
1040 | #if defined(_PR_INET6_PROBE) | ||||
1041 | af = _pr_ipv6_is_present() ? AF_INET610 : AF_INET2; | ||||
1042 | #elif defined(_PR_INET6) | ||||
1043 | af = AF_INET610; | ||||
1044 | #else | ||||
1045 | af = AF_INET2; | ||||
1046 | #endif | ||||
1047 | #if defined(_PR_GHBA_DISALLOW_V4MAPPED) | ||||
1048 | if (_PR_IN6_IS_ADDR_V4MAPPED(&hostaddr->ipv6.ip)(((&hostaddr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u32[1] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[8] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[9] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[10] == 0xff) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[11] == 0xff))) { | ||||
1049 | af = AF_INET2; | ||||
1050 | } | ||||
1051 | #endif | ||||
1052 | } | ||||
1053 | else | ||||
1054 | { | ||||
1055 | PR_ASSERT(hostaddr->raw.family == AF_INET)((hostaddr->raw.family == 2)?((void)0):PR_Assert("hostaddr->raw.family == AF_INET" ,"../../../../pr/src/misc/prnetdb.c",1055)); | ||||
1056 | af = AF_INET2; | ||||
1057 | } | ||||
1058 | if (hostaddr->raw.family == PR_AF_INET610) { | ||||
1059 | #if defined(_PR_INET6) || defined(_PR_INET6_PROBE) | ||||
1060 | if (af == AF_INET610) { | ||||
1061 | addr = &hostaddr->ipv6.ip; | ||||
1062 | addrlen = sizeof(hostaddr->ipv6.ip); | ||||
1063 | } | ||||
1064 | else | ||||
1065 | #endif | ||||
1066 | { | ||||
1067 | PR_ASSERT(af == AF_INET)((af == 2)?((void)0):PR_Assert("af == AF_INET","../../../../pr/src/misc/prnetdb.c" ,1067)); | ||||
1068 | if (!_PR_IN6_IS_ADDR_V4MAPPED(&hostaddr->ipv6.ip)(((&hostaddr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u32[1] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[8] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[9] == 0) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[10] == 0xff) && ((&hostaddr->ipv6.ip)->_S6_un._S6_u8[11] == 0xff))) { | ||||
1069 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1070 | return rv; | ||||
1071 | } | ||||
1072 | tmp_ip = _PR_IN6_V4MAPPED_TO_IPADDR((PRIPv6Addr *)(((PRIPv6Addr *) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [3]) | ||||
1073 | &hostaddr->ipv6.ip)(((PRIPv6Addr *) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [3]); | ||||
1074 | addr = &tmp_ip; | ||||
1075 | addrlen = sizeof(tmp_ip); | ||||
1076 | } | ||||
1077 | } else { | ||||
1078 | PR_ASSERT(hostaddr->raw.family == AF_INET)((hostaddr->raw.family == 2)?((void)0):PR_Assert("hostaddr->raw.family == AF_INET" ,"../../../../pr/src/misc/prnetdb.c",1078)); | ||||
1079 | PR_ASSERT(af == AF_INET)((af == 2)?((void)0):PR_Assert("af == AF_INET","../../../../pr/src/misc/prnetdb.c" ,1079)); | ||||
1080 | addr = &hostaddr->inet.ip; | ||||
1081 | addrlen = sizeof(hostaddr->inet.ip); | ||||
1082 | } | ||||
1083 | |||||
1084 | #if defined(_PR_HAVE_GETHOST_R) | ||||
1085 | tmpbuf = localbuf; | ||||
1086 | if (bufsize > sizeof(localbuf)) | ||||
1087 | { | ||||
1088 | tmpbuf = (char *)PR_Malloc(bufsize); | ||||
1089 | if (NULL((void*)0) == tmpbuf) | ||||
1090 | { | ||||
1091 | PR_SetError(PR_OUT_OF_MEMORY_ERROR(-6000L), 0); | ||||
1092 | return rv; | ||||
1093 | } | ||||
1094 | } | ||||
1095 | #endif | ||||
1096 | |||||
1097 | /* Do not need to lock the DNS lock if getipnodebyaddr() is called */ | ||||
1098 | #if defined(_PR_HAVE_GETIPNODEBYADDR) && defined(_PR_INET6) | ||||
1099 | h = getipnodebyaddr(addr, addrlen, af, &error_num); | ||||
1100 | #elif defined(_PR_HAVE_GETIPNODEBYADDR) && defined(_PR_INET6_PROBE) | ||||
1101 | if (_pr_ipv6_is_present()) | ||||
1102 | { | ||||
1103 | #ifdef PR_GETIPNODE_NOT_THREADSAFE | ||||
1104 | LOCK_DNS(); | ||||
1105 | #endif | ||||
1106 | h = (*((_pr_getipnodebyaddr_t)_pr_getipnodebyaddr_fp))(addr, addrlen, | ||||
1107 | af, &error_num); | ||||
1108 | } | ||||
1109 | else | ||||
1110 | { | ||||
1111 | LOCK_DNS(); | ||||
1112 | h = GETHOSTBYADDR(addr, addrlen, af)(gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize , &h, &h_err), h); | ||||
1113 | } | ||||
1114 | #else /* _PR_HAVE_GETIPNODEBYADDR */ | ||||
1115 | LOCK_DNS(); | ||||
1116 | h = GETHOSTBYADDR(addr, addrlen, af)(gethostbyaddr_r(addr, addrlen, af, &tmphe, tmpbuf, bufsize , &h, &h_err), h); | ||||
1117 | #endif /* _PR_HAVE_GETIPNODEBYADDR */ | ||||
1118 | if (NULL((void*)0) == h) | ||||
1119 | { | ||||
1120 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETIPNODEBYADDR) | ||||
1121 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), error_num); | ||||
1122 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYADDR) | ||||
1123 | if (_pr_ipv6_is_present()) { | ||||
1124 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), error_num); | ||||
1125 | } | ||||
1126 | else { | ||||
1127 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_GETHOST_ERRNO()(*__h_errno_location ())); | ||||
1128 | } | ||||
1129 | #else | ||||
1130 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_GETHOST_ERRNO()(*__h_errno_location ())); | ||||
1131 | #endif | ||||
1132 | } | ||||
1133 | else | ||||
1134 | { | ||||
1135 | _PRIPAddrConversion conversion = _PRIPAddrNoConversion; | ||||
1136 | if (hostaddr->raw.family == PR_AF_INET610) { | ||||
1137 | if (af == AF_INET2) { | ||||
1138 | if (_PR_IN6_IS_ADDR_V4MAPPED((PRIPv6Addr*)((((PRIPv6Addr*) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [0] == 0) && (((PRIPv6Addr*) &hostaddr->ipv6.ip )->_S6_un._S6_u32[1] == 0) && (((PRIPv6Addr*) & hostaddr->ipv6.ip)->_S6_un._S6_u8[8] == 0) && ( ((PRIPv6Addr*) &hostaddr->ipv6.ip)->_S6_un._S6_u8[9 ] == 0) && (((PRIPv6Addr*) &hostaddr->ipv6.ip) ->_S6_un._S6_u8[10] == 0xff) && (((PRIPv6Addr*) & hostaddr->ipv6.ip)->_S6_un._S6_u8[11] == 0xff)) | ||||
1139 | &hostaddr->ipv6.ip)((((PRIPv6Addr*) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [0] == 0) && (((PRIPv6Addr*) &hostaddr->ipv6.ip )->_S6_un._S6_u32[1] == 0) && (((PRIPv6Addr*) & hostaddr->ipv6.ip)->_S6_un._S6_u8[8] == 0) && ( ((PRIPv6Addr*) &hostaddr->ipv6.ip)->_S6_un._S6_u8[9 ] == 0) && (((PRIPv6Addr*) &hostaddr->ipv6.ip) ->_S6_un._S6_u8[10] == 0xff) && (((PRIPv6Addr*) & hostaddr->ipv6.ip)->_S6_un._S6_u8[11] == 0xff))) { | ||||
1140 | conversion = _PRIPAddrIPv4Mapped; | ||||
1141 | } else if (_PR_IN6_IS_ADDR_V4COMPAT((PRIPv6Addr *)((((PRIPv6Addr *) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [0] == 0) && (((PRIPv6Addr *) &hostaddr->ipv6. ip)->_S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *) & hostaddr->ipv6.ip)->_S6_un._S6_u32[2] == 0)) | ||||
1142 | &hostaddr->ipv6.ip)((((PRIPv6Addr *) &hostaddr->ipv6.ip)->_S6_un._S6_u32 [0] == 0) && (((PRIPv6Addr *) &hostaddr->ipv6. ip)->_S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *) & hostaddr->ipv6.ip)->_S6_un._S6_u32[2] == 0))) { | ||||
1143 | conversion = _PRIPAddrIPv4Compat; | ||||
1144 | } | ||||
1145 | } | ||||
1146 | } | ||||
1147 | rv = CopyHostent(h, &buf, &bufsize, conversion, hostentry); | ||||
1148 | if (PR_SUCCESS != rv) { | ||||
1149 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
1150 | } | ||||
1151 | #if defined(_PR_INET6) && defined(_PR_HAVE_GETIPNODEBYADDR) | ||||
1152 | freehostent(h); | ||||
1153 | #elif defined(_PR_INET6_PROBE) && defined(_PR_HAVE_GETIPNODEBYADDR) | ||||
1154 | if (_pr_ipv6_is_present()) { | ||||
1155 | (*((_pr_freehostent_t)_pr_freehostent_fp))(h); | ||||
1156 | } | ||||
1157 | #endif | ||||
1158 | } | ||||
1159 | |||||
1160 | /* Must match the convoluted logic above for LOCK_DNS() */ | ||||
1161 | #if defined(_PR_HAVE_GETIPNODEBYADDR) && defined(_PR_INET6) | ||||
1162 | #elif defined(_PR_HAVE_GETIPNODEBYADDR) && defined(_PR_INET6_PROBE) | ||||
1163 | #ifdef PR_GETIPNODE_NOT_THREADSAFE | ||||
1164 | UNLOCK_DNS(); | ||||
1165 | #else | ||||
1166 | if (!_pr_ipv6_is_present()) { | ||||
1167 | UNLOCK_DNS(); | ||||
1168 | } | ||||
1169 | #endif | ||||
1170 | #else /* _PR_HAVE_GETIPNODEBYADDR */ | ||||
1171 | UNLOCK_DNS(); | ||||
1172 | #endif /* _PR_HAVE_GETIPNODEBYADDR */ | ||||
1173 | |||||
1174 | #if defined(_PR_HAVE_GETHOST_R) | ||||
1175 | if (tmpbuf != localbuf) { | ||||
1176 | PR_Free(tmpbuf); | ||||
1177 | } | ||||
1178 | #endif | ||||
1179 | |||||
1180 | return rv; | ||||
1181 | } | ||||
1182 | |||||
1183 | /******************************************************************************/ | ||||
1184 | /* | ||||
1185 | * Some systems define a reentrant version of getprotobyname(). Too bad | ||||
1186 | * the signature isn't always the same. But hey, they tried. If there | ||||
1187 | * is such a definition, use it. Otherwise, grab a lock and do it here. | ||||
1188 | */ | ||||
1189 | /******************************************************************************/ | ||||
1190 | |||||
1191 | #if !defined(_PR_HAVE_GETPROTO_R) | ||||
1192 | /* | ||||
1193 | * This may seem like a silly thing to do, but the compiler SHOULD | ||||
1194 | * complain if getprotobyname_r() is implemented on some system and | ||||
1195 | * we're not using it. For sure these signatures are different than | ||||
1196 | * any usable implementation. | ||||
1197 | */ | ||||
1198 | |||||
1199 | #if defined(ANDROID) | ||||
1200 | /* Android's Bionic libc system includes prototypes for these in netdb.h, | ||||
1201 | * but doesn't actually include implementations. It uses the 5-arg form, | ||||
1202 | * so these functions end up not matching the prototype. So just rename | ||||
1203 | * them if not found. | ||||
1204 | */ | ||||
1205 | #define getprotobyname_r _pr_getprotobyname_r | ||||
1206 | #define getprotobynumber_r _pr_getprotobynumber_r | ||||
1207 | #endif | ||||
1208 | |||||
1209 | static struct protoent *getprotobyname_r(const char* name) | ||||
1210 | { | ||||
1211 | return getprotobyname(name); | ||||
1212 | } /* getprotobyname_r */ | ||||
1213 | |||||
1214 | static struct protoent *getprotobynumber_r(PRInt32 number) | ||||
1215 | { | ||||
1216 | return getprotobynumber(number); | ||||
1217 | } /* getprotobynumber_r */ | ||||
1218 | |||||
1219 | #endif /* !defined(_PR_HAVE_GETPROTO_R) */ | ||||
1220 | |||||
1221 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_GetProtoByName( | ||||
1222 | const char* name, char* buffer, PRInt32 buflen, PRProtoEnt* result) | ||||
1223 | { | ||||
1224 | PRStatus rv = PR_SUCCESS; | ||||
1225 | #if defined(_PR_HAVE_GETPROTO_R) | ||||
1226 | struct protoent* res = (struct protoent*)result; | ||||
1227 | #endif | ||||
1228 | |||||
1229 | if (!_pr_initialized) { | ||||
1230 | _PR_ImplicitInitialization(); | ||||
1231 | } | ||||
1232 | |||||
1233 | #if defined(_PR_HAVE_GETPROTO_R_INT) | ||||
1234 | { | ||||
1235 | /* | ||||
1236 | ** The protoent_data has a pointer as the first field. | ||||
1237 | ** That implies the buffer better be aligned, and char* | ||||
1238 | ** doesn't promise much. | ||||
1239 | */ | ||||
1240 | PRUptrdiff aligned = (PRUptrdiff)buffer; | ||||
1241 | if (0 != (aligned & (sizeof(struct protoent_data*) - 1))) | ||||
1242 | { | ||||
1243 | aligned += sizeof(struct protoent_data*) - 1; | ||||
1244 | aligned &= ~(sizeof(struct protoent_data*) - 1); | ||||
1245 | buflen -= (aligned - (PRUptrdiff)buffer); | ||||
1246 | buffer = (char*)aligned; | ||||
1247 | } | ||||
1248 | } | ||||
1249 | #endif /* defined(_PR_HAVE_GETPROTO_R_INT) */ | ||||
1250 | |||||
1251 | if (PR_MIN_NETDB_BUF_SIZE1024 > buflen) | ||||
1252 | { | ||||
1253 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1254 | return PR_FAILURE; | ||||
1255 | } | ||||
1256 | |||||
1257 | #if defined(_PR_HAVE_GETPROTO_R_POINTER) | ||||
1258 | if (NULL((void*)0) == getprotobyname_r(name, res, buffer, buflen)) | ||||
1259 | { | ||||
1260 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1261 | return PR_FAILURE; | ||||
1262 | } | ||||
1263 | #elif defined(_PR_HAVE_GETPROTO_R_INT) | ||||
1264 | /* | ||||
1265 | ** The buffer needs to be zero'd, and it should be | ||||
1266 | ** at least the size of a struct protoent_data. | ||||
1267 | */ | ||||
1268 | memset(buffer, 0, buflen); | ||||
1269 | if (-1 == getprotobyname_r(name, res, (struct protoent_data*)buffer)) | ||||
1270 | { | ||||
1271 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1272 | return PR_FAILURE; | ||||
1273 | } | ||||
1274 | #elif defined(_PR_HAVE_5_ARG_GETPROTO_R) | ||||
1275 | /* The 5th argument for getprotobyname_r() cannot be NULL */ | ||||
1276 | if (-1 == getprotobyname_r(name, res, buffer, buflen, &res)) | ||||
1277 | { | ||||
1278 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1279 | return PR_FAILURE; | ||||
1280 | } | ||||
1281 | #else /* do it the hard way */ | ||||
1282 | { | ||||
1283 | struct protoent *staticBuf; | ||||
1284 | PR_Lock(_getproto_lock); | ||||
1285 | staticBuf = getprotobyname_r(name); | ||||
1286 | if (NULL((void*)0) == staticBuf) | ||||
1287 | { | ||||
1288 | rv = PR_FAILURE; | ||||
1289 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1290 | } | ||||
1291 | else | ||||
1292 | { | ||||
1293 | rv = CopyProtoent(staticBuf, buffer, buflen, result); | ||||
1294 | if (PR_FAILURE == rv) { | ||||
1295 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
1296 | } | ||||
1297 | } | ||||
1298 | PR_Unlock(_getproto_lock); | ||||
1299 | } | ||||
1300 | #endif /* all that */ | ||||
1301 | return rv; | ||||
1302 | } | ||||
1303 | |||||
1304 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_GetProtoByNumber( | ||||
1305 | PRInt32 number, char* buffer, PRInt32 buflen, PRProtoEnt* result) | ||||
1306 | { | ||||
1307 | PRStatus rv = PR_SUCCESS; | ||||
1308 | #if defined(_PR_HAVE_GETPROTO_R) | ||||
1309 | struct protoent* res = (struct protoent*)result; | ||||
1310 | #endif | ||||
1311 | |||||
1312 | if (!_pr_initialized) { | ||||
1313 | _PR_ImplicitInitialization(); | ||||
1314 | } | ||||
1315 | |||||
1316 | #if defined(_PR_HAVE_GETPROTO_R_INT) | ||||
1317 | { | ||||
1318 | /* | ||||
1319 | ** The protoent_data has a pointer as the first field. | ||||
1320 | ** That implies the buffer better be aligned, and char* | ||||
1321 | ** doesn't promise much. | ||||
1322 | */ | ||||
1323 | PRUptrdiff aligned = (PRUptrdiff)buffer; | ||||
1324 | if (0 != (aligned & (sizeof(struct protoent_data*) - 1))) | ||||
1325 | { | ||||
1326 | aligned += sizeof(struct protoent_data*) - 1; | ||||
1327 | aligned &= ~(sizeof(struct protoent_data*) - 1); | ||||
1328 | buflen -= (aligned - (PRUptrdiff)buffer); | ||||
1329 | buffer = (char*)aligned; | ||||
1330 | } | ||||
1331 | } | ||||
1332 | #endif /* defined(_PR_HAVE_GETPROTO_R_INT) */ | ||||
1333 | |||||
1334 | if (PR_MIN_NETDB_BUF_SIZE1024 > buflen) | ||||
1335 | { | ||||
1336 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1337 | return PR_FAILURE; | ||||
1338 | } | ||||
1339 | |||||
1340 | #if defined(_PR_HAVE_GETPROTO_R_POINTER) | ||||
1341 | if (NULL((void*)0) == getprotobynumber_r(number, res, buffer, buflen)) | ||||
1342 | { | ||||
1343 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1344 | return PR_FAILURE; | ||||
1345 | } | ||||
1346 | |||||
1347 | #elif defined(_PR_HAVE_GETPROTO_R_INT) | ||||
1348 | /* | ||||
1349 | ** The buffer needs to be zero'd for these OS's. | ||||
1350 | */ | ||||
1351 | memset(buffer, 0, buflen); | ||||
1352 | if (-1 == getprotobynumber_r(number, res, (struct protoent_data*)buffer)) | ||||
1353 | { | ||||
1354 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1355 | return PR_FAILURE; | ||||
1356 | } | ||||
1357 | #elif defined(_PR_HAVE_5_ARG_GETPROTO_R) | ||||
1358 | /* The 5th argument for getprotobynumber_r() cannot be NULL */ | ||||
1359 | if (-1 == getprotobynumber_r(number, res, buffer, buflen, &res)) | ||||
1360 | { | ||||
1361 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1362 | return PR_FAILURE; | ||||
1363 | } | ||||
1364 | #else /* do it the hard way */ | ||||
1365 | { | ||||
1366 | struct protoent *staticBuf; | ||||
1367 | PR_Lock(_getproto_lock); | ||||
1368 | staticBuf = getprotobynumber_r(number); | ||||
1369 | if (NULL((void*)0) == staticBuf) | ||||
1370 | { | ||||
1371 | rv = PR_FAILURE; | ||||
1372 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), _MD_ERRNO()((*__errno_location ()))); | ||||
1373 | } | ||||
1374 | else | ||||
1375 | { | ||||
1376 | rv = CopyProtoent(staticBuf, buffer, buflen, result); | ||||
1377 | if (PR_FAILURE == rv) { | ||||
1378 | PR_SetError(PR_INSUFFICIENT_RESOURCES_ERROR(-5974L), 0); | ||||
1379 | } | ||||
1380 | } | ||||
1381 | PR_Unlock(_getproto_lock); | ||||
1382 | } | ||||
1383 | #endif /* all that crap */ | ||||
1384 | return rv; | ||||
1385 | |||||
1386 | } | ||||
1387 | |||||
1388 | PRUintn _PR_NetAddrSize(const PRNetAddr* addr) | ||||
1389 | { | ||||
1390 | PRUintn addrsize; | ||||
1391 | |||||
1392 | /* | ||||
1393 | * RFC 2553 added a new field (sin6_scope_id) to | ||||
1394 | * struct sockaddr_in6. PRNetAddr's ipv6 member has a | ||||
1395 | * scope_id field to match the new field. In order to | ||||
1396 | * work with older implementations supporting RFC 2133, | ||||
1397 | * we take the size of struct sockaddr_in6 instead of | ||||
1398 | * addr->ipv6. | ||||
1399 | */ | ||||
1400 | if (AF_INET2 == addr->raw.family) { | ||||
1401 | addrsize = sizeof(addr->inet); | ||||
1402 | } | ||||
1403 | else if (PR_AF_INET610 == addr->raw.family) | ||||
1404 | #if defined(_PR_INET6) | ||||
1405 | addrsize = sizeof(struct sockaddr_in6); | ||||
1406 | #else | ||||
1407 | addrsize = sizeof(addr->ipv6); | ||||
1408 | #endif | ||||
1409 | #if defined(XP_UNIX1) || defined(XP_OS2) | ||||
1410 | else if (AF_UNIX1 == addr->raw.family) | ||||
1411 | { | ||||
1412 | #if defined(LINUX1) | ||||
1413 | if (addr->local.path[0] == 0) | ||||
1414 | /* abstract socket address is supported on Linux only */ | ||||
1415 | addrsize = strnlen(addr->local.path + 1, | ||||
1416 | sizeof(addr->local.path)) + | ||||
1417 | offsetof(struct sockaddr_un, sun_path)__builtin_offsetof(struct sockaddr_un, sun_path) + 1; | ||||
1418 | else | ||||
1419 | #endif | ||||
1420 | addrsize = sizeof(addr->local); | ||||
1421 | } | ||||
1422 | #endif | ||||
1423 | else { | ||||
1424 | addrsize = 0; | ||||
1425 | } | ||||
1426 | |||||
1427 | return addrsize; | ||||
1428 | } /* _PR_NetAddrSize */ | ||||
1429 | |||||
1430 | PR_IMPLEMENT(PRIntn)__attribute__((visibility("default"))) PRIntn PR_EnumerateHostEnt( | ||||
1431 | PRIntn enumIndex, const PRHostEnt *hostEnt, PRUint16 port, PRNetAddr *address) | ||||
1432 | { | ||||
1433 | void *addr = hostEnt->h_addr_list[enumIndex++]; | ||||
1434 | memset(address, 0, sizeof(PRNetAddr)); | ||||
1435 | if (NULL((void*)0) == addr) { | ||||
1436 | enumIndex = 0; | ||||
1437 | } | ||||
1438 | else | ||||
1439 | { | ||||
1440 | address->raw.family = hostEnt->h_addrtype; | ||||
1441 | if (PR_AF_INET610 == hostEnt->h_addrtype) | ||||
1442 | { | ||||
1443 | address->ipv6.port = htons(port); | ||||
1444 | address->ipv6.flowinfo = 0; | ||||
1445 | address->ipv6.scope_id = 0; | ||||
1446 | memcpy(&address->ipv6.ip, addr, hostEnt->h_length); | ||||
1447 | } | ||||
1448 | else | ||||
1449 | { | ||||
1450 | PR_ASSERT(AF_INET == hostEnt->h_addrtype)((2 == hostEnt->h_addrtype)?((void)0):PR_Assert("AF_INET == hostEnt->h_addrtype" ,"../../../../pr/src/misc/prnetdb.c",1450)); | ||||
1451 | address->inet.port = htons(port); | ||||
1452 | memcpy(&address->inet.ip, addr, hostEnt->h_length); | ||||
1453 | } | ||||
1454 | } | ||||
1455 | return enumIndex; | ||||
1456 | } /* PR_EnumerateHostEnt */ | ||||
1457 | |||||
1458 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_InitializeNetAddr( | ||||
1459 | PRNetAddrValue val, PRUint16 port, PRNetAddr *addr) | ||||
1460 | { | ||||
1461 | PRStatus rv = PR_SUCCESS; | ||||
1462 | if (!_pr_initialized) { | ||||
1463 | _PR_ImplicitInitialization(); | ||||
1464 | } | ||||
1465 | |||||
1466 | if (val != PR_IpAddrNull) { | ||||
1467 | memset(addr, 0, sizeof(*addr)); | ||||
1468 | } | ||||
1469 | addr->inet.family = AF_INET2; | ||||
1470 | addr->inet.port = htons(port); | ||||
1471 | switch (val) | ||||
1472 | { | ||||
1473 | case PR_IpAddrNull: | ||||
1474 | break; /* don't overwrite the address */ | ||||
1475 | case PR_IpAddrAny: | ||||
1476 | addr->inet.ip = htonl(INADDR_ANY((in_addr_t) 0x00000000)); | ||||
1477 | break; | ||||
1478 | case PR_IpAddrLoopback: | ||||
1479 | addr->inet.ip = htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001)); | ||||
1480 | break; | ||||
1481 | default: | ||||
1482 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1483 | rv = PR_FAILURE; | ||||
1484 | } | ||||
1485 | return rv; | ||||
1486 | } /* PR_InitializeNetAddr */ | ||||
1487 | |||||
1488 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_SetNetAddr( | ||||
1489 | PRNetAddrValue val, PRUint16 af, PRUint16 port, PRNetAddr *addr) | ||||
1490 | { | ||||
1491 | PRStatus rv = PR_SUCCESS; | ||||
1492 | if (!_pr_initialized) { | ||||
1493 | _PR_ImplicitInitialization(); | ||||
1494 | } | ||||
1495 | |||||
1496 | if (af == PR_AF_INET610) | ||||
1497 | { | ||||
1498 | if (val != PR_IpAddrNull) { | ||||
1499 | memset(addr, 0, sizeof(addr->ipv6)); | ||||
1500 | } | ||||
1501 | addr->ipv6.family = af; | ||||
1502 | addr->ipv6.port = htons(port); | ||||
1503 | addr->ipv6.flowinfo = 0; | ||||
1504 | addr->ipv6.scope_id = 0; | ||||
1505 | switch (val) | ||||
1506 | { | ||||
1507 | case PR_IpAddrNull: | ||||
1508 | break; /* don't overwrite the address */ | ||||
1509 | case PR_IpAddrAny: | ||||
1510 | addr->ipv6.ip = _pr_in6addr_any; | ||||
1511 | break; | ||||
1512 | case PR_IpAddrLoopback: | ||||
1513 | addr->ipv6.ip = _pr_in6addr_loopback; | ||||
1514 | break; | ||||
1515 | default: | ||||
1516 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1517 | rv = PR_FAILURE; | ||||
1518 | } | ||||
1519 | } | ||||
1520 | else | ||||
1521 | { | ||||
1522 | if (val != PR_IpAddrNull) { | ||||
1523 | memset(addr, 0, sizeof(addr->inet)); | ||||
1524 | } | ||||
1525 | addr->inet.family = af; | ||||
1526 | addr->inet.port = htons(port); | ||||
1527 | switch (val) | ||||
1528 | { | ||||
1529 | case PR_IpAddrNull: | ||||
1530 | break; /* don't overwrite the address */ | ||||
1531 | case PR_IpAddrAny: | ||||
1532 | addr->inet.ip = htonl(INADDR_ANY((in_addr_t) 0x00000000)); | ||||
1533 | break; | ||||
1534 | case PR_IpAddrLoopback: | ||||
1535 | addr->inet.ip = htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001)); | ||||
1536 | break; | ||||
1537 | default: | ||||
1538 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
1539 | rv = PR_FAILURE; | ||||
1540 | } | ||||
1541 | } | ||||
1542 | return rv; | ||||
1543 | } /* PR_SetNetAddr */ | ||||
1544 | |||||
1545 | PR_IMPLEMENT(PRBool)__attribute__((visibility("default"))) PRBool | ||||
1546 | PR_IsNetAddrType(const PRNetAddr *addr, PRNetAddrValue val) | ||||
1547 | { | ||||
1548 | if (addr->raw.family == PR_AF_INET610) { | ||||
1549 | if (val == PR_IpAddrAny) { | ||||
1550 | if (_PR_IN6_IS_ADDR_UNSPECIFIED((PRIPv6Addr *)&addr->ipv6.ip)((((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u32[2] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[3] == 0))) { | ||||
1551 | return PR_TRUE1; | ||||
1552 | } | ||||
1553 | if (_PR_IN6_IS_ADDR_V4MAPPED((PRIPv6Addr *)&addr->ipv6.ip)((((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u8[8] == 0) && (((PRIPv6Addr * )&addr->ipv6.ip)->_S6_un._S6_u8[9] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u8[10] == 0xff) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u8[11] == 0xff)) | ||||
1554 | && _PR_IN6_V4MAPPED_TO_IPADDR((PRIPv6Addr *)&addr->ipv6.ip)(((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[3]) | ||||
1555 | == htonl(INADDR_ANY((in_addr_t) 0x00000000))) { | ||||
1556 | return PR_TRUE1; | ||||
1557 | } | ||||
1558 | } else if (val == PR_IpAddrLoopback) { | ||||
1559 | if (_PR_IN6_IS_ADDR_LOOPBACK((PRIPv6Addr *)&addr->ipv6.ip)((((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u32[2] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u8[12] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u8[13] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u8[14] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u8[15] == 0x1U))) { | ||||
1560 | return PR_TRUE1; | ||||
1561 | } | ||||
1562 | if (_PR_IN6_IS_ADDR_V4MAPPED((PRIPv6Addr *)&addr->ipv6.ip)((((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u8[8] == 0) && (((PRIPv6Addr * )&addr->ipv6.ip)->_S6_un._S6_u8[9] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u8[10] == 0xff) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u8[11] == 0xff)) | ||||
1563 | && _PR_IN6_V4MAPPED_TO_IPADDR((PRIPv6Addr *)&addr->ipv6.ip)(((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[3]) | ||||
1564 | == htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001))) { | ||||
1565 | return PR_TRUE1; | ||||
1566 | } | ||||
1567 | } else if (val == PR_IpAddrV4Mapped | ||||
1568 | && _PR_IN6_IS_ADDR_V4MAPPED((PRIPv6Addr *)&addr->ipv6.ip)((((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u32[0] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u32[1] == 0) && (((PRIPv6Addr *)&addr-> ipv6.ip)->_S6_un._S6_u8[8] == 0) && (((PRIPv6Addr * )&addr->ipv6.ip)->_S6_un._S6_u8[9] == 0) && (((PRIPv6Addr *)&addr->ipv6.ip)->_S6_un._S6_u8[10] == 0xff) && (((PRIPv6Addr *)&addr->ipv6.ip)-> _S6_un._S6_u8[11] == 0xff))) { | ||||
1569 | return PR_TRUE1; | ||||
1570 | } | ||||
1571 | } else { | ||||
1572 | if (addr->raw.family == AF_INET2) { | ||||
1573 | if (val == PR_IpAddrAny && addr->inet.ip == htonl(INADDR_ANY((in_addr_t) 0x00000000))) { | ||||
1574 | return PR_TRUE1; | ||||
1575 | } | ||||
1576 | if (val == PR_IpAddrLoopback | ||||
1577 | && addr->inet.ip == htonl(INADDR_LOOPBACK((in_addr_t) 0x7f000001))) { | ||||
1578 | return PR_TRUE1; | ||||
1579 | } | ||||
1580 | } | ||||
1581 | } | ||||
1582 | return PR_FALSE0; | ||||
1583 | } | ||||
1584 | |||||
1585 | extern int pr_inet_aton(const char *cp, PRUint32 *addr); | ||||
1586 | |||||
1587 | #define XX 127 | ||||
1588 | static const unsigned char index_hex[256] = { | ||||
1589 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1590 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1591 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1592 | 0, 1, 2, 3, 4, 5, 6, 7, 8, 9,XX,XX, XX,XX,XX,XX, | ||||
1593 | XX,10,11,12, 13,14,15,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1594 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1595 | XX,10,11,12, 13,14,15,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1596 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1597 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1598 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1599 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1600 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1601 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1602 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1603 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1604 | XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, XX,XX,XX,XX, | ||||
1605 | }; | ||||
1606 | |||||
1607 | /* | ||||
1608 | * StringToV6Addr() returns 1 if the conversion succeeds, | ||||
1609 | * or 0 if the input is not a valid IPv6 address string. | ||||
1610 | * (Same as inet_pton(AF_INET6, string, addr).) | ||||
1611 | */ | ||||
1612 | static int StringToV6Addr(const char *string, PRIPv6Addr *addr) | ||||
1613 | { | ||||
1614 | const unsigned char *s = (const unsigned char *)string; | ||||
1615 | int section = 0; /* index of the current section (a 16-bit | ||||
1616 | * piece of the address */ | ||||
1617 | int double_colon = -1; /* index of the section after the first | ||||
1618 | * 16-bit group of zeros represented by | ||||
1619 | * the double colon */ | ||||
1620 | unsigned int val; | ||||
1621 | int len; | ||||
1622 | |||||
1623 | /* Handle initial (double) colon */ | ||||
1624 | if (*s == ':') { | ||||
1625 | if (s[1] != ':') { | ||||
1626 | return 0; | ||||
1627 | } | ||||
1628 | s += 2; | ||||
1629 | addr->pr_s6_addr16_S6_un._S6_u16[0] = 0; | ||||
1630 | section = double_colon = 1; | ||||
1631 | } | ||||
1632 | |||||
1633 | while (*s) { | ||||
1634 | if (section == 8) { | ||||
1635 | return 0; /* too long */ | ||||
1636 | } | ||||
1637 | if (*s == ':') { | ||||
1638 | if (double_colon != -1) { | ||||
1639 | return 0; /* two double colons */ | ||||
1640 | } | ||||
1641 | addr->pr_s6_addr16_S6_un._S6_u16[section++] = 0; | ||||
1642 | double_colon = section; | ||||
1643 | s++; | ||||
1644 | continue; | ||||
1645 | } | ||||
1646 | for (len = val = 0; len < 4 && index_hex[*s] != XX; len++) { | ||||
1647 | val = (val << 4) + index_hex[*s++]; | ||||
1648 | } | ||||
1649 | if (*s == '.') { | ||||
1650 | if (len == 0) { | ||||
1651 | return 0; /* nothing between : and . */ | ||||
1652 | } | ||||
1653 | break; | ||||
1654 | } | ||||
1655 | if (*s == ':') { | ||||
1656 | s++; | ||||
1657 | if (!*s) { | ||||
1658 | return 0; /* cannot end with single colon */ | ||||
1659 | } | ||||
1660 | } else if (*s) { | ||||
1661 | return 0; /* bad character */ | ||||
1662 | } | ||||
1663 | addr->pr_s6_addr16_S6_un._S6_u16[section++] = htons((unsigned short)val); | ||||
1664 | } | ||||
1665 | |||||
1666 | if (*s == '.') { | ||||
1667 | /* Have a trailing v4 format address */ | ||||
1668 | if (section > 6) { | ||||
1669 | return 0; /* not enough room */ | ||||
1670 | } | ||||
1671 | |||||
1672 | /* | ||||
1673 | * The number before the '.' is decimal, but we parsed it | ||||
1674 | * as hex. That means it is in BCD. Check it for validity | ||||
1675 | * and convert it to binary. | ||||
1676 | */ | ||||
1677 | if (val > 0x0255 || (val & 0xf0) > 0x90 || (val & 0xf) > 9) { | ||||
1678 | return 0; | ||||
1679 | } | ||||
1680 | val = (val >> 8) * 100 + ((val >> 4) & 0xf) * 10 + (val & 0xf); | ||||
1681 | addr->pr_s6_addr_S6_un._S6_u8[2 * section] = val; | ||||
1682 | |||||
1683 | s++; | ||||
1684 | val = index_hex[*s++]; | ||||
1685 | if (val > 9) { | ||||
1686 | return 0; | ||||
1687 | } | ||||
1688 | while (*s >= '0' && *s <= '9') { | ||||
1689 | val = val * 10 + *s++ - '0'; | ||||
1690 | if (val > 255) { | ||||
1691 | return 0; | ||||
1692 | } | ||||
1693 | } | ||||
1694 | if (*s != '.') { | ||||
1695 | return 0; /* must have exactly 4 decimal numbers */ | ||||
1696 | } | ||||
1697 | addr->pr_s6_addr_S6_un._S6_u8[2 * section + 1] = val; | ||||
1698 | section++; | ||||
1699 | |||||
1700 | s++; | ||||
1701 | val = index_hex[*s++]; | ||||
1702 | if (val > 9) { | ||||
1703 | return 0; | ||||
1704 | } | ||||
1705 | while (*s >= '0' && *s <= '9') { | ||||
1706 | val = val * 10 + *s++ - '0'; | ||||
1707 | if (val > 255) { | ||||
1708 | return 0; | ||||
1709 | } | ||||
1710 | } | ||||
1711 | if (*s != '.') { | ||||
1712 | return 0; /* must have exactly 4 decimal numbers */ | ||||
1713 | } | ||||
1714 | addr->pr_s6_addr_S6_un._S6_u8[2 * section] = val; | ||||
1715 | |||||
1716 | s++; | ||||
1717 | val = index_hex[*s++]; | ||||
1718 | if (val > 9) { | ||||
1719 | return 0; | ||||
1720 | } | ||||
1721 | while (*s >= '0' && *s <= '9') { | ||||
1722 | val = val * 10 + *s++ - '0'; | ||||
1723 | if (val > 255) { | ||||
1724 | return 0; | ||||
1725 | } | ||||
1726 | } | ||||
1727 | if (*s) { | ||||
1728 | return 0; /* must have exactly 4 decimal numbers */ | ||||
1729 | } | ||||
1730 | addr->pr_s6_addr_S6_un._S6_u8[2 * section + 1] = val; | ||||
1731 | section++; | ||||
1732 | } | ||||
1733 | |||||
1734 | if (double_colon != -1) { | ||||
1735 | /* Stretch the double colon */ | ||||
1736 | int tosection; | ||||
1737 | int ncopy = section - double_colon; | ||||
1738 | for (tosection = 7; ncopy--; tosection--) { | ||||
1739 | addr->pr_s6_addr16_S6_un._S6_u16[tosection] = | ||||
1740 | addr->pr_s6_addr16_S6_un._S6_u16[double_colon + ncopy]; | ||||
1741 | } | ||||
1742 | while (tosection >= double_colon) { | ||||
1743 | addr->pr_s6_addr16_S6_un._S6_u16[tosection--] = 0; | ||||
1744 | } | ||||
1745 | } else if (section != 8) { | ||||
1746 | return 0; /* too short */ | ||||
1747 | } | ||||
1748 | return 1; | ||||
1749 | } | ||||
1750 | #undef XX | ||||
1751 | |||||
1752 | #ifndef _PR_HAVE_INET_NTOP | ||||
1753 | static const char *basis_hex = "0123456789abcdef"; | ||||
1754 | |||||
1755 | /* | ||||
1756 | * V6AddrToString() returns a pointer to the buffer containing | ||||
1757 | * the text string if the conversion succeeds, and NULL otherwise. | ||||
1758 | * (Same as inet_ntop(AF_INET6, addr, buf, size), except that errno | ||||
1759 | * is not set on failure.) | ||||
1760 | */ | ||||
1761 | static const char *V6AddrToString( | ||||
1762 | const PRIPv6Addr *addr, char *buf, PRUint32 size) | ||||
1763 | { | ||||
1764 | #define STUFF(c) do { \ | ||||
1765 | if (!size--) return NULL((void*)0); \ | ||||
1766 | *buf++ = (c); \ | ||||
1767 | } while (0) | ||||
1768 | |||||
1769 | int double_colon = -1; /* index of the first 16-bit | ||||
1770 | * group of zeros represented | ||||
1771 | * by the double colon */ | ||||
1772 | int double_colon_length = 1; /* use double colon only if | ||||
1773 | * there are two or more 16-bit | ||||
1774 | * groups of zeros */ | ||||
1775 | int zero_length; | ||||
1776 | int section; | ||||
1777 | unsigned int val; | ||||
1778 | const char *bufcopy = buf; | ||||
1779 | |||||
1780 | /* Scan to find the placement of the double colon */ | ||||
1781 | for (section = 0; section < 8; section++) { | ||||
1782 | if (addr->pr_s6_addr16_S6_un._S6_u16[section] == 0) { | ||||
1783 | zero_length = 1; | ||||
1784 | section++; | ||||
1785 | while (section < 8 && addr->pr_s6_addr16_S6_un._S6_u16[section] == 0) { | ||||
1786 | zero_length++; | ||||
1787 | section++; | ||||
1788 | } | ||||
1789 | /* Select the longest sequence of zeros */ | ||||
1790 | if (zero_length > double_colon_length) { | ||||
1791 | double_colon = section - zero_length; | ||||
1792 | double_colon_length = zero_length; | ||||
1793 | } | ||||
1794 | } | ||||
1795 | } | ||||
1796 | |||||
1797 | /* Now start converting to a string */ | ||||
1798 | section = 0; | ||||
1799 | |||||
1800 | if (double_colon == 0) { | ||||
1801 | if (double_colon_length == 6 || | ||||
1802 | (double_colon_length == 5 && addr->pr_s6_addr16_S6_un._S6_u16[5] == 0xffff)) { | ||||
1803 | /* ipv4 format address */ | ||||
1804 | STUFF(':'); | ||||
1805 | STUFF(':'); | ||||
1806 | if (double_colon_length == 5) { | ||||
1807 | STUFF('f'); | ||||
1808 | STUFF('f'); | ||||
1809 | STUFF('f'); | ||||
1810 | STUFF('f'); | ||||
1811 | STUFF(':'); | ||||
1812 | } | ||||
1813 | if (addr->pr_s6_addr_S6_un._S6_u8[12] > 99) { | ||||
1814 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[12]/100 + '0'); | ||||
1815 | } | ||||
1816 | if (addr->pr_s6_addr_S6_un._S6_u8[12] > 9) { | ||||
1817 | STUFF((addr->pr_s6_addr_S6_un._S6_u8[12]%100)/10 + '0'); | ||||
1818 | } | ||||
1819 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[12]%10 + '0'); | ||||
1820 | STUFF('.'); | ||||
1821 | if (addr->pr_s6_addr_S6_un._S6_u8[13] > 99) { | ||||
1822 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[13]/100 + '0'); | ||||
1823 | } | ||||
1824 | if (addr->pr_s6_addr_S6_un._S6_u8[13] > 9) { | ||||
1825 | STUFF((addr->pr_s6_addr_S6_un._S6_u8[13]%100)/10 + '0'); | ||||
1826 | } | ||||
1827 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[13]%10 + '0'); | ||||
1828 | STUFF('.'); | ||||
1829 | if (addr->pr_s6_addr_S6_un._S6_u8[14] > 99) { | ||||
1830 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[14]/100 + '0'); | ||||
1831 | } | ||||
1832 | if (addr->pr_s6_addr_S6_un._S6_u8[14] > 9) { | ||||
1833 | STUFF((addr->pr_s6_addr_S6_un._S6_u8[14]%100)/10 + '0'); | ||||
1834 | } | ||||
1835 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[14]%10 + '0'); | ||||
1836 | STUFF('.'); | ||||
1837 | if (addr->pr_s6_addr_S6_un._S6_u8[15] > 99) { | ||||
1838 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[15]/100 + '0'); | ||||
1839 | } | ||||
1840 | if (addr->pr_s6_addr_S6_un._S6_u8[15] > 9) { | ||||
1841 | STUFF((addr->pr_s6_addr_S6_un._S6_u8[15]%100)/10 + '0'); | ||||
1842 | } | ||||
1843 | STUFF(addr->pr_s6_addr_S6_un._S6_u8[15]%10 + '0'); | ||||
1844 | STUFF('\0'); | ||||
1845 | return bufcopy; | ||||
1846 | } | ||||
1847 | } | ||||
1848 | |||||
1849 | while (section < 8) { | ||||
1850 | if (section == double_colon) { | ||||
1851 | STUFF(':'); | ||||
1852 | STUFF(':'); | ||||
1853 | section += double_colon_length; | ||||
1854 | continue; | ||||
1855 | } | ||||
1856 | val = ntohs(addr->pr_s6_addr16_S6_un._S6_u16[section]); | ||||
1857 | if (val > 0xfff) { | ||||
1858 | STUFF(basis_hex[val >> 12]); | ||||
1859 | } | ||||
1860 | if (val > 0xff) { | ||||
1861 | STUFF(basis_hex[(val >> 8) & 0xf]); | ||||
1862 | } | ||||
1863 | if (val > 0xf) { | ||||
1864 | STUFF(basis_hex[(val >> 4) & 0xf]); | ||||
1865 | } | ||||
1866 | STUFF(basis_hex[val & 0xf]); | ||||
1867 | section++; | ||||
1868 | if (section < 8 && section != double_colon) { | ||||
1869 | STUFF(':'); | ||||
1870 | } | ||||
1871 | } | ||||
1872 | STUFF('\0'); | ||||
1873 | return bufcopy; | ||||
1874 | #undef STUFF | ||||
1875 | } | ||||
1876 | #endif /* !_PR_HAVE_INET_NTOP */ | ||||
1877 | |||||
1878 | /* | ||||
1879 | * Convert an IPv4 addr to an (IPv4-mapped) IPv6 addr | ||||
1880 | */ | ||||
1881 | PR_IMPLEMENT(void)__attribute__((visibility("default"))) void PR_ConvertIPv4AddrToIPv6(PRUint32 v4addr, PRIPv6Addr *v6addr) | ||||
1882 | { | ||||
1883 | PRUint8 *dstp; | ||||
1884 | dstp = v6addr->pr_s6_addr_S6_un._S6_u8; | ||||
1885 | memset(dstp, 0, 10); | ||||
1886 | memset(dstp + 10, 0xff, 2); | ||||
1887 | memcpy(dstp + 12,(char *) &v4addr, 4); | ||||
1888 | } | ||||
1889 | |||||
1890 | PR_IMPLEMENT(PRUint16)__attribute__((visibility("default"))) PRUint16 PR_ntohs(PRUint16 n) { | ||||
1891 | return ntohs(n); | ||||
1892 | } | ||||
1893 | PR_IMPLEMENT(PRUint32)__attribute__((visibility("default"))) PRUint32 PR_ntohl(PRUint32 n) { | ||||
1894 | return ntohl(n); | ||||
1895 | } | ||||
1896 | PR_IMPLEMENT(PRUint16)__attribute__((visibility("default"))) PRUint16 PR_htons(PRUint16 n) { | ||||
1897 | return htons(n); | ||||
1898 | } | ||||
1899 | PR_IMPLEMENT(PRUint32)__attribute__((visibility("default"))) PRUint32 PR_htonl(PRUint32 n) { | ||||
1900 | return htonl(n); | ||||
1901 | } | ||||
1902 | PR_IMPLEMENT(PRUint64)__attribute__((visibility("default"))) PRUint64 PR_ntohll(PRUint64 n) | ||||
1903 | { | ||||
1904 | #ifdef IS_BIG_ENDIAN | ||||
1905 | return n; | ||||
1906 | #else | ||||
1907 | PRUint32 hi, lo; | ||||
1908 | lo = (PRUint32)n; | ||||
1909 | hi = (PRUint32)(n >> 32); | ||||
1910 | hi = PR_ntohl(hi); | ||||
1911 | lo = PR_ntohl(lo); | ||||
1912 | return ((PRUint64)lo << 32) + (PRUint64)hi; | ||||
1913 | #endif | ||||
1914 | } /* ntohll */ | ||||
1915 | |||||
1916 | PR_IMPLEMENT(PRUint64)__attribute__((visibility("default"))) PRUint64 PR_htonll(PRUint64 n) | ||||
1917 | { | ||||
1918 | #ifdef IS_BIG_ENDIAN | ||||
1919 | return n; | ||||
1920 | #else | ||||
1921 | PRUint32 hi, lo; | ||||
1922 | lo = (PRUint32)n; | ||||
1923 | hi = (PRUint32)(n >> 32); | ||||
1924 | hi = htonl(hi); | ||||
1925 | lo = htonl(lo); | ||||
1926 | return ((PRUint64)lo << 32) + (PRUint64)hi; | ||||
1927 | #endif | ||||
1928 | } /* htonll */ | ||||
1929 | |||||
1930 | |||||
1931 | /* | ||||
1932 | * Implementation of PR_GetAddrInfoByName and friends | ||||
1933 | * | ||||
1934 | * Compile-time options: | ||||
1935 | * | ||||
1936 | * _PR_HAVE_GETADDRINFO Define this macro if the target system provides | ||||
1937 | * getaddrinfo. With this defined, NSPR will require | ||||
1938 | * getaddrinfo at run time. If this if not defined, | ||||
1939 | * then NSPR will attempt to dynamically resolve | ||||
1940 | * getaddrinfo, falling back to PR_GetHostByName if | ||||
1941 | * getaddrinfo does not exist on the target system. | ||||
1942 | * | ||||
1943 | * Since getaddrinfo is a relatively new system call on many systems, | ||||
1944 | * we are forced to dynamically resolve it at run time in most cases. | ||||
1945 | * The exception includes any system (such as Mac OS X) that is known to | ||||
1946 | * provide getaddrinfo in all versions that NSPR cares to support. | ||||
1947 | */ | ||||
1948 | |||||
1949 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
1950 | |||||
1951 | #if defined(_PR_INET6) | ||||
1952 | |||||
1953 | typedef struct addrinfo PRADDRINFO; | ||||
1954 | #define GETADDRINFOgetaddrinfo getaddrinfo | ||||
1955 | #define FREEADDRINFOfreeaddrinfo freeaddrinfo | ||||
1956 | #define GETNAMEINFOgetnameinfo getnameinfo | ||||
1957 | |||||
1958 | #elif defined(_PR_INET6_PROBE) | ||||
1959 | |||||
1960 | typedef struct addrinfo PRADDRINFO; | ||||
1961 | |||||
1962 | /* getaddrinfo/freeaddrinfo/getnameinfo prototypes */ | ||||
1963 | #if defined(WIN32) | ||||
1964 | #define FUNC_MODIFIER __stdcall | ||||
1965 | #else | ||||
1966 | #define FUNC_MODIFIER | ||||
1967 | #endif | ||||
1968 | typedef int (FUNC_MODIFIER * FN_GETADDRINFO) | ||||
1969 | (const char *nodename, | ||||
1970 | const char *servname, | ||||
1971 | const PRADDRINFO *hints, | ||||
1972 | PRADDRINFO **res); | ||||
1973 | typedef int (FUNC_MODIFIER * FN_FREEADDRINFO) | ||||
1974 | (PRADDRINFO *ai); | ||||
1975 | typedef int (FUNC_MODIFIER * FN_GETNAMEINFO) | ||||
1976 | (const struct sockaddr *addr, int addrlen, | ||||
1977 | char *host, int hostlen, | ||||
1978 | char *serv, int servlen, int flags); | ||||
1979 | |||||
1980 | /* global state */ | ||||
1981 | static FN_GETADDRINFO _pr_getaddrinfo = NULL((void*)0); | ||||
1982 | static FN_FREEADDRINFO _pr_freeaddrinfo = NULL((void*)0); | ||||
1983 | static FN_GETNAMEINFO _pr_getnameinfo = NULL((void*)0); | ||||
1984 | |||||
1985 | #define GETADDRINFO_SYMBOL "getaddrinfo" | ||||
1986 | #define FREEADDRINFO_SYMBOL "freeaddrinfo" | ||||
1987 | #define GETNAMEINFO_SYMBOL "getnameinfo" | ||||
1988 | |||||
1989 | PRStatus | ||||
1990 | _pr_find_getaddrinfo(void) | ||||
1991 | { | ||||
1992 | PRLibrary *lib; | ||||
1993 | #ifdef WIN32 | ||||
1994 | /* | ||||
1995 | * On windows, we need to search ws2_32.dll or wship6.dll | ||||
1996 | * (Microsoft IPv6 Technology Preview for Windows 2000) for | ||||
1997 | * getaddrinfo and freeaddrinfo. These libraries might not | ||||
1998 | * be loaded yet. | ||||
1999 | */ | ||||
2000 | const char *libname[] = { "ws2_32.dll", "wship6.dll" }; | ||||
2001 | int i; | ||||
2002 | |||||
2003 | for (i = 0; i < sizeof(libname)/sizeof(libname[0]); i++) { | ||||
2004 | lib = PR_LoadLibrary(libname[i]); | ||||
2005 | if (!lib) { | ||||
2006 | continue; | ||||
2007 | } | ||||
2008 | _pr_getaddrinfo = (FN_GETADDRINFO) | ||||
2009 | PR_FindFunctionSymbol(lib, GETADDRINFO_SYMBOL); | ||||
2010 | if (!_pr_getaddrinfo) { | ||||
2011 | PR_UnloadLibrary(lib); | ||||
2012 | continue; | ||||
2013 | } | ||||
2014 | _pr_freeaddrinfo = (FN_FREEADDRINFO) | ||||
2015 | PR_FindFunctionSymbol(lib, FREEADDRINFO_SYMBOL); | ||||
2016 | _pr_getnameinfo = (FN_GETNAMEINFO) | ||||
2017 | PR_FindFunctionSymbol(lib, GETNAMEINFO_SYMBOL); | ||||
2018 | if (!_pr_freeaddrinfo || !_pr_getnameinfo) { | ||||
2019 | PR_UnloadLibrary(lib); | ||||
2020 | continue; | ||||
2021 | } | ||||
2022 | /* Keep the library loaded. */ | ||||
2023 | return PR_SUCCESS; | ||||
2024 | } | ||||
2025 | return PR_FAILURE; | ||||
2026 | #else | ||||
2027 | /* | ||||
2028 | * Resolve getaddrinfo by searching all loaded libraries. Then | ||||
2029 | * search library containing getaddrinfo for freeaddrinfo. | ||||
2030 | */ | ||||
2031 | _pr_getaddrinfo = (FN_GETADDRINFO) | ||||
2032 | PR_FindFunctionSymbolAndLibrary(GETADDRINFO_SYMBOL, &lib); | ||||
2033 | if (!_pr_getaddrinfo) { | ||||
2034 | return PR_FAILURE; | ||||
2035 | } | ||||
2036 | _pr_freeaddrinfo = (FN_FREEADDRINFO) | ||||
2037 | PR_FindFunctionSymbol(lib, FREEADDRINFO_SYMBOL); | ||||
2038 | _pr_getnameinfo = (FN_GETNAMEINFO) | ||||
2039 | PR_FindFunctionSymbol(lib, GETNAMEINFO_SYMBOL); | ||||
2040 | PR_UnloadLibrary(lib); | ||||
2041 | if (!_pr_freeaddrinfo || !_pr_getnameinfo) { | ||||
2042 | return PR_FAILURE; | ||||
2043 | } | ||||
2044 | return PR_SUCCESS; | ||||
2045 | #endif | ||||
2046 | } | ||||
2047 | |||||
2048 | #define GETADDRINFOgetaddrinfo (*_pr_getaddrinfo) | ||||
2049 | #define FREEADDRINFOfreeaddrinfo (*_pr_freeaddrinfo) | ||||
2050 | #define GETNAMEINFOgetnameinfo (*_pr_getnameinfo) | ||||
2051 | |||||
2052 | #endif /* _PR_INET6 */ | ||||
2053 | |||||
2054 | #endif /* _PR_HAVE_GETADDRINFO */ | ||||
2055 | |||||
2056 | #if !defined(_PR_HAVE_GETADDRINFO) || defined(_PR_INET6_PROBE) | ||||
2057 | /* | ||||
2058 | * If getaddrinfo does not exist, then we will fall back on | ||||
2059 | * PR_GetHostByName, which requires that we allocate a buffer for the | ||||
2060 | * PRHostEnt data structure and its members. | ||||
2061 | */ | ||||
2062 | typedef struct PRAddrInfoFB { | ||||
2063 | char buf[PR_NETDB_BUF_SIZE2048]; | ||||
2064 | PRHostEnt hostent; | ||||
2065 | PRBool has_cname; | ||||
2066 | } PRAddrInfoFB; | ||||
2067 | |||||
2068 | static PRAddrInfo * | ||||
2069 | pr_GetAddrInfoByNameFB(const char *hostname, | ||||
2070 | PRUint16 af, | ||||
2071 | PRIntn flags) | ||||
2072 | { | ||||
2073 | PRStatus rv; | ||||
2074 | PRAddrInfoFB *ai; | ||||
2075 | /* fallback on PR_GetHostByName */ | ||||
2076 | ai = PR_NEW(PRAddrInfoFB)((PRAddrInfoFB *) (PR_Malloc((sizeof(PRAddrInfoFB))))); | ||||
2077 | if (!ai) { | ||||
2078 | PR_SetError(PR_OUT_OF_MEMORY_ERROR(-6000L), 0); | ||||
2079 | return NULL((void*)0); | ||||
2080 | } | ||||
2081 | rv = PR_GetHostByName(hostname, ai->buf, sizeof ai->buf, &ai->hostent); | ||||
2082 | if (rv == PR_FAILURE) { | ||||
2083 | PR_Free(ai); | ||||
2084 | return NULL((void*)0); | ||||
2085 | } | ||||
2086 | ai->has_cname = !(flags & PR_AI_NOCANONNAME0x8000); | ||||
2087 | |||||
2088 | return (PRAddrInfo *) ai; | ||||
2089 | } | ||||
2090 | #endif /* !_PR_HAVE_GETADDRINFO || _PR_INET6_PROBE */ | ||||
2091 | |||||
2092 | PR_IMPLEMENT(PRAddrInfo *)__attribute__((visibility("default"))) PRAddrInfo * PR_GetAddrInfoByName(const char *hostname, | ||||
2093 | PRUint16 af, | ||||
2094 | PRIntn flags) | ||||
2095 | { | ||||
2096 | /* restrict input to supported values */ | ||||
2097 | if ((af != PR_AF_INET2 && af != PR_AF_UNSPEC0) || | ||||
2098 | (flags & ~ PR_AI_NOCANONNAME0x8000) != PR_AI_ADDRCONFIG0x20) { | ||||
2099 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2100 | return NULL((void*)0); | ||||
2101 | } | ||||
2102 | |||||
2103 | if (!_pr_initialized) { | ||||
2104 | _PR_ImplicitInitialization(); | ||||
2105 | } | ||||
2106 | |||||
2107 | #if !defined(_PR_HAVE_GETADDRINFO) | ||||
2108 | return pr_GetAddrInfoByNameFB(hostname, af, flags); | ||||
2109 | #else | ||||
2110 | #if defined(_PR_INET6_PROBE) | ||||
2111 | if (!_pr_ipv6_is_present()) { | ||||
2112 | return pr_GetAddrInfoByNameFB(hostname, af, flags); | ||||
2113 | } | ||||
2114 | #endif | ||||
2115 | { | ||||
2116 | PRADDRINFO *res, hints; | ||||
2117 | int rv; | ||||
2118 | |||||
2119 | /* | ||||
2120 | * we assume a RFC 2553 compliant getaddrinfo. this may at some | ||||
2121 | * point need to be customized as platforms begin to adopt the | ||||
2122 | * RFC 3493. | ||||
2123 | */ | ||||
2124 | |||||
2125 | memset(&hints, 0, sizeof(hints)); | ||||
2126 | if (!(flags & PR_AI_NOCANONNAME0x8000)) { | ||||
2127 | hints.ai_flags |= AI_CANONNAME0x0002; | ||||
2128 | } | ||||
2129 | #ifdef AI_ADDRCONFIG0x0020 | ||||
2130 | /* | ||||
2131 | * Propagate AI_ADDRCONFIG to the GETADDRINFO call if PR_AI_ADDRCONFIG | ||||
2132 | * is set. | ||||
2133 | * | ||||
2134 | * Need a workaround for loopback host addresses: | ||||
2135 | * The problem is that in glibc and Windows, AI_ADDRCONFIG applies the | ||||
2136 | * existence of an outgoing network interface to IP addresses of the | ||||
2137 | * loopback interface, due to a strict interpretation of the | ||||
2138 | * specification. For example, if a computer does not have any | ||||
2139 | * outgoing IPv6 network interface, but its loopback network interface | ||||
2140 | * supports IPv6, a getaddrinfo call on "localhost" with AI_ADDRCONFIG | ||||
2141 | * won't return the IPv6 loopback address "::1", because getaddrinfo | ||||
2142 | * thinks the computer cannot connect to any IPv6 destination, | ||||
2143 | * ignoring the remote vs. local/loopback distinction. | ||||
2144 | */ | ||||
2145 | if ((flags & PR_AI_ADDRCONFIG0x20) && | ||||
2146 | strcmp(hostname, "localhost") != 0 && | ||||
2147 | strcmp(hostname, "localhost.localdomain") != 0 && | ||||
2148 | strcmp(hostname, "localhost6") != 0 && | ||||
2149 | strcmp(hostname, "localhost6.localdomain6") != 0) { | ||||
2150 | hints.ai_flags |= AI_ADDRCONFIG0x0020; | ||||
2151 | } | ||||
2152 | #endif | ||||
2153 | hints.ai_family = (af == PR_AF_INET2) ? AF_INET2 : AF_UNSPEC0; | ||||
2154 | |||||
2155 | /* | ||||
2156 | * it is important to select a socket type in the hints, otherwise we | ||||
2157 | * will get back repetitive entries: one for each socket type. since | ||||
2158 | * we do not expose ai_socktype through our API, it is okay to do this | ||||
2159 | * here. the application may still choose to create a socket of some | ||||
2160 | * other type. | ||||
2161 | */ | ||||
2162 | hints.ai_socktype = SOCK_STREAMSOCK_STREAM; | ||||
2163 | |||||
2164 | rv = GETADDRINFOgetaddrinfo(hostname, NULL((void*)0), &hints, &res); | ||||
2165 | #ifdef AI_ADDRCONFIG0x0020 | ||||
2166 | if (rv == EAI_BADFLAGS-1 && (hints.ai_flags & AI_ADDRCONFIG0x0020)) { | ||||
2167 | hints.ai_flags &= ~AI_ADDRCONFIG0x0020; | ||||
2168 | rv = GETADDRINFOgetaddrinfo(hostname, NULL((void*)0), &hints, &res); | ||||
2169 | } | ||||
2170 | #endif | ||||
2171 | if (rv == 0) { | ||||
2172 | return (PRAddrInfo *) res; | ||||
2173 | } | ||||
2174 | |||||
2175 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), rv); | ||||
2176 | } | ||||
2177 | return NULL((void*)0); | ||||
2178 | #endif | ||||
2179 | } | ||||
2180 | |||||
2181 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus | ||||
2182 | PR_GetPrefLoopbackAddrInfo(PRNetAddr *result, | ||||
2183 | PRUint16 port) | ||||
2184 | { | ||||
2185 | char tmpBuf[ 40 ]; | ||||
2186 | const int tmpBufSize = sizeof( tmpBuf ); | ||||
2187 | |||||
2188 | if (!result) { | ||||
| |||||
2189 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2190 | return PR_FAILURE; | ||||
2191 | } | ||||
2192 | |||||
2193 | if (!_pr_initialized) _PR_ImplicitInitialization(); | ||||
2194 | |||||
2195 | PR_snprintf(tmpBuf, tmpBufSize, "%u", port ); | ||||
2196 | |||||
2197 | #if !defined(_PR_HAVE_GETADDRINFO) || !defined(AI_PASSIVE0x0001) | ||||
2198 | PR_SetError(PR_NOT_IMPLEMENTED_ERROR(-5992L), 0); | ||||
2199 | return PR_FAILURE; | ||||
2200 | #else | ||||
2201 | |||||
2202 | PRADDRINFO *res, hints; | ||||
2203 | PRStatus rv; | ||||
2204 | |||||
2205 | memset(&hints, 0, sizeof(hints)); | ||||
2206 | |||||
2207 | rv = GETADDRINFOgetaddrinfo(NULL((void*)0), tmpBuf, &hints, &res); | ||||
2208 | if (rv == 0) { | ||||
2209 | PRBool result_still_empty = PR_TRUE1; | ||||
2210 | PRADDRINFO *ai = res; | ||||
2211 | do { | ||||
2212 | PRNetAddr aNetAddr; | ||||
2213 | |||||
2214 | while (ai
| ||||
2215 | ai = ai->ai_next; | ||||
2216 | |||||
2217 | if (ai
| ||||
2218 | /* copy sockaddr to PRNetAddr */ | ||||
2219 | memcpy(&aNetAddr, ai->ai_addr, ai->ai_addrlen); | ||||
2220 | aNetAddr.raw.family = ai->ai_addr->sa_family; | ||||
2221 | #ifdef _PR_INET6 | ||||
2222 | if (AF_INET610 == aNetAddr.raw.family) | ||||
2223 | aNetAddr.raw.family = PR_AF_INET610; | ||||
2224 | #endif | ||||
2225 | if (ai->ai_addrlen < sizeof(PRNetAddr)) | ||||
2226 | memset(((char*)result)+ai->ai_addrlen, 0, | ||||
2227 | sizeof(PRNetAddr) - ai->ai_addrlen); | ||||
2228 | } | ||||
2229 | |||||
2230 | /* If we obtain more than one result, prefer IPv6. */ | ||||
2231 | if (result_still_empty
| ||||
| |||||
2232 | memcpy(result, &aNetAddr, sizeof(PRNetAddr)); | ||||
2233 | } | ||||
2234 | result_still_empty = PR_FALSE0; | ||||
2235 | ai = ai->ai_next; | ||||
2236 | } | ||||
2237 | while (ai); | ||||
2238 | |||||
2239 | FREEADDRINFOfreeaddrinfo(res); | ||||
2240 | return PR_SUCCESS; | ||||
2241 | } | ||||
2242 | |||||
2243 | PR_SetError(PR_DIRECTORY_LOOKUP_ERROR(-5973L), rv); | ||||
2244 | return PR_FAILURE; | ||||
2245 | #endif | ||||
2246 | } | ||||
2247 | |||||
2248 | PR_IMPLEMENT(void)__attribute__((visibility("default"))) void PR_FreeAddrInfo(PRAddrInfo *ai) | ||||
2249 | { | ||||
2250 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
2251 | #if defined(_PR_INET6_PROBE) | ||||
2252 | if (!_pr_ipv6_is_present()) { | ||||
2253 | PR_Free((PRAddrInfoFB *) ai); | ||||
2254 | } | ||||
2255 | else | ||||
2256 | #endif | ||||
2257 | FREEADDRINFOfreeaddrinfo((PRADDRINFO *) ai); | ||||
2258 | #else | ||||
2259 | PR_Free((PRAddrInfoFB *) ai); | ||||
2260 | #endif | ||||
2261 | } | ||||
2262 | |||||
2263 | PR_IMPLEMENT(void *)__attribute__((visibility("default"))) void * PR_EnumerateAddrInfo(void *iterPtr, | ||||
2264 | const PRAddrInfo *base, | ||||
2265 | PRUint16 port, | ||||
2266 | PRNetAddr *result) | ||||
2267 | { | ||||
2268 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
2269 | PRADDRINFO *ai; | ||||
2270 | #if defined(_PR_INET6_PROBE) | ||||
2271 | if (!_pr_ipv6_is_present()) { | ||||
2272 | /* using PRAddrInfoFB */ | ||||
2273 | PRIntn iter = (PRIntn)(PRPtrdiff) iterPtr; | ||||
2274 | iter = PR_EnumerateHostEnt(iter, &((PRAddrInfoFB *) base)->hostent, port, result); | ||||
2275 | if (iter < 0) { | ||||
2276 | iter = 0; | ||||
2277 | } | ||||
2278 | return (void *)(PRPtrdiff) iter; | ||||
2279 | } | ||||
2280 | #endif | ||||
2281 | |||||
2282 | if (iterPtr) { | ||||
2283 | ai = ((PRADDRINFO *) iterPtr)->ai_next; | ||||
2284 | } | ||||
2285 | else { | ||||
2286 | ai = (PRADDRINFO *) base; | ||||
2287 | } | ||||
2288 | |||||
2289 | while (ai && ai->ai_addrlen > sizeof(PRNetAddr)) { | ||||
2290 | ai = ai->ai_next; | ||||
2291 | } | ||||
2292 | |||||
2293 | if (ai) { | ||||
2294 | /* copy sockaddr to PRNetAddr */ | ||||
2295 | memcpy(result, ai->ai_addr, ai->ai_addrlen); | ||||
2296 | result->raw.family = ai->ai_addr->sa_family; | ||||
2297 | #ifdef _PR_INET6 | ||||
2298 | if (AF_INET610 == result->raw.family) { | ||||
2299 | result->raw.family = PR_AF_INET610; | ||||
2300 | } | ||||
2301 | #endif | ||||
2302 | if (ai->ai_addrlen < sizeof(PRNetAddr)) { | ||||
2303 | memset(((char*)result)+ai->ai_addrlen, 0, sizeof(PRNetAddr) - ai->ai_addrlen); | ||||
2304 | } | ||||
2305 | |||||
2306 | if (result->raw.family == PR_AF_INET2) { | ||||
2307 | result->inet.port = htons(port); | ||||
2308 | } | ||||
2309 | else { | ||||
2310 | result->ipv6.port = htons(port); | ||||
2311 | } | ||||
2312 | } | ||||
2313 | |||||
2314 | return ai; | ||||
2315 | #else | ||||
2316 | /* using PRAddrInfoFB */ | ||||
2317 | PRIntn iter = (PRIntn) iterPtr; | ||||
2318 | iter = PR_EnumerateHostEnt(iter, &((PRAddrInfoFB *) base)->hostent, port, result); | ||||
2319 | if (iter < 0) { | ||||
2320 | iter = 0; | ||||
2321 | } | ||||
2322 | return (void *) iter; | ||||
2323 | #endif | ||||
2324 | } | ||||
2325 | |||||
2326 | PR_IMPLEMENT(const char *)__attribute__((visibility("default"))) const char * PR_GetCanonNameFromAddrInfo(const PRAddrInfo *ai) | ||||
2327 | { | ||||
2328 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
2329 | #if defined(_PR_INET6_PROBE) | ||||
2330 | if (!_pr_ipv6_is_present()) { | ||||
2331 | const PRAddrInfoFB *fb = (const PRAddrInfoFB *) ai; | ||||
2332 | return fb->has_cname ? fb->hostent.h_name : NULL((void*)0); | ||||
2333 | } | ||||
2334 | #endif | ||||
2335 | return ((const PRADDRINFO *) ai)->ai_canonname; | ||||
2336 | #else | ||||
2337 | const PRAddrInfoFB *fb = (const PRAddrInfoFB *) ai; | ||||
2338 | return fb->has_cname ? fb->hostent.h_name : NULL((void*)0); | ||||
2339 | #endif | ||||
2340 | } | ||||
2341 | |||||
2342 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
2343 | static PRStatus pr_StringToNetAddrGAI(const char *string, PRNetAddr *addr) | ||||
2344 | { | ||||
2345 | PRADDRINFO *res, hints; | ||||
2346 | int rv; /* 0 for success, or the error code EAI_xxx */ | ||||
2347 | PRNetAddr laddr; | ||||
2348 | PRStatus status = PR_SUCCESS; | ||||
2349 | |||||
2350 | memset(&hints, 0, sizeof(hints)); | ||||
2351 | hints.ai_flags = AI_NUMERICHOST0x0004; | ||||
2352 | hints.ai_family = AF_UNSPEC0; | ||||
2353 | hints.ai_socktype = SOCK_STREAMSOCK_STREAM; | ||||
2354 | |||||
2355 | rv = GETADDRINFOgetaddrinfo(string, NULL((void*)0), &hints, &res); | ||||
2356 | if (rv != 0) | ||||
2357 | { | ||||
2358 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), rv); | ||||
2359 | return PR_FAILURE; | ||||
2360 | } | ||||
2361 | |||||
2362 | /* pick up the first addr */ | ||||
2363 | memcpy(&laddr, res->ai_addr, res->ai_addrlen); | ||||
2364 | if (AF_INET610 == res->ai_addr->sa_family) | ||||
2365 | { | ||||
2366 | addr->ipv6.family = PR_AF_INET610; | ||||
2367 | addr->ipv6.ip = laddr.ipv6.ip; | ||||
2368 | addr->ipv6.scope_id = laddr.ipv6.scope_id; | ||||
2369 | } | ||||
2370 | else if (AF_INET2 == res->ai_addr->sa_family) | ||||
2371 | { | ||||
2372 | addr->inet.family = PR_AF_INET2; | ||||
2373 | addr->inet.ip = laddr.inet.ip; | ||||
2374 | } | ||||
2375 | else | ||||
2376 | { | ||||
2377 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2378 | status = PR_FAILURE; | ||||
2379 | } | ||||
2380 | |||||
2381 | FREEADDRINFOfreeaddrinfo(res); | ||||
2382 | return status; | ||||
2383 | } | ||||
2384 | #endif /* _PR_HAVE_GETADDRINFO */ | ||||
2385 | |||||
2386 | static PRStatus pr_StringToNetAddrFB(const char *string, PRNetAddr *addr) | ||||
2387 | { | ||||
2388 | PRIntn rv; | ||||
2389 | |||||
2390 | rv = pr_inet_aton(string, &addr->inet.ip); | ||||
2391 | if (1 == rv) | ||||
2392 | { | ||||
2393 | addr->raw.family = AF_INET2; | ||||
2394 | return PR_SUCCESS; | ||||
2395 | } | ||||
2396 | |||||
2397 | PR_ASSERT(0 == rv)((0 == rv)?((void)0):PR_Assert("0 == rv","../../../../pr/src/misc/prnetdb.c" ,2397)); | ||||
2398 | /* clean up after the failed call */ | ||||
2399 | memset(&addr->inet.ip, 0, sizeof(addr->inet.ip)); | ||||
2400 | |||||
2401 | rv = StringToV6Addr(string, &addr->ipv6.ip); | ||||
2402 | if (1 == rv) | ||||
2403 | { | ||||
2404 | addr->raw.family = PR_AF_INET610; | ||||
2405 | return PR_SUCCESS; | ||||
2406 | } | ||||
2407 | |||||
2408 | PR_ASSERT(0 == rv)((0 == rv)?((void)0):PR_Assert("0 == rv","../../../../pr/src/misc/prnetdb.c" ,2408)); | ||||
2409 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2410 | return PR_FAILURE; | ||||
2411 | } | ||||
2412 | |||||
2413 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_StringToNetAddr(const char *string, PRNetAddr *addr) | ||||
2414 | { | ||||
2415 | if (!_pr_initialized) { | ||||
2416 | _PR_ImplicitInitialization(); | ||||
2417 | } | ||||
2418 | |||||
2419 | if (!addr || !string || !*string) | ||||
2420 | { | ||||
2421 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2422 | return PR_FAILURE; | ||||
2423 | } | ||||
2424 | |||||
2425 | #if !defined(_PR_HAVE_GETADDRINFO) | ||||
2426 | return pr_StringToNetAddrFB(string, addr); | ||||
2427 | #else | ||||
2428 | /* | ||||
2429 | * getaddrinfo with AI_NUMERICHOST is much slower than pr_inet_aton on some | ||||
2430 | * platforms, such as Mac OS X (bug 404399), Linux glibc 2.10 (bug 344809), | ||||
2431 | * and most likely others. So we only use it to convert literal IP addresses | ||||
2432 | * that contain IPv6 scope IDs, which pr_inet_aton cannot convert. | ||||
2433 | */ | ||||
2434 | if (!strchr(string, '%')) { | ||||
2435 | return pr_StringToNetAddrFB(string, addr); | ||||
2436 | } | ||||
2437 | |||||
2438 | #if defined(_PR_INET6_PROBE) | ||||
2439 | if (!_pr_ipv6_is_present()) { | ||||
2440 | return pr_StringToNetAddrFB(string, addr); | ||||
2441 | } | ||||
2442 | #endif | ||||
2443 | |||||
2444 | return pr_StringToNetAddrGAI(string, addr); | ||||
2445 | #endif | ||||
2446 | } | ||||
2447 | |||||
2448 | #if defined(_PR_HAVE_GETADDRINFO) | ||||
2449 | static PRStatus pr_NetAddrToStringGNI( | ||||
2450 | const PRNetAddr *addr, char *string, PRUint32 size) | ||||
2451 | { | ||||
2452 | int addrlen; | ||||
2453 | const PRNetAddr *addrp = addr; | ||||
2454 | #if defined(_PR_HAVE_SOCKADDR_LEN) || defined(_PR_INET6) | ||||
2455 | PRUint16 md_af = addr->raw.family; | ||||
2456 | PRNetAddr addrcopy; | ||||
2457 | #endif | ||||
2458 | int rv; /* 0 for success, or the error code EAI_xxx */ | ||||
2459 | |||||
2460 | #ifdef _PR_INET6 | ||||
2461 | if (addr->raw.family == PR_AF_INET610) | ||||
2462 | { | ||||
2463 | md_af = AF_INET610; | ||||
2464 | #ifndef _PR_HAVE_SOCKADDR_LEN | ||||
2465 | addrcopy = *addr; | ||||
2466 | addrcopy.raw.family = md_af; | ||||
2467 | addrp = &addrcopy; | ||||
2468 | #endif | ||||
2469 | } | ||||
2470 | #endif | ||||
2471 | |||||
2472 | addrlen = PR_NETADDR_SIZE(addr)_PR_NetAddrSize(addr); | ||||
2473 | #ifdef _PR_HAVE_SOCKADDR_LEN | ||||
2474 | addrcopy = *addr; | ||||
2475 | ((struct sockaddr*)&addrcopy)->sa_len = addrlen; | ||||
2476 | ((struct sockaddr*)&addrcopy)->sa_family = md_af; | ||||
2477 | addrp = &addrcopy; | ||||
2478 | #endif | ||||
2479 | rv = GETNAMEINFOgetnameinfo((const struct sockaddr *)addrp, addrlen, | ||||
2480 | string, size, NULL((void*)0), 0, NI_NUMERICHOST1); | ||||
2481 | if (rv != 0) | ||||
2482 | { | ||||
2483 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), rv); | ||||
2484 | return PR_FAILURE; | ||||
2485 | } | ||||
2486 | return PR_SUCCESS; | ||||
2487 | } | ||||
2488 | #endif /* _PR_HAVE_GETADDRINFO */ | ||||
2489 | |||||
2490 | #if !defined(_PR_HAVE_GETADDRINFO) || defined(_PR_INET6_PROBE) | ||||
2491 | static PRStatus pr_NetAddrToStringFB( | ||||
2492 | const PRNetAddr *addr, char *string, PRUint32 size) | ||||
2493 | { | ||||
2494 | if (PR_AF_INET610 == addr->raw.family) | ||||
2495 | { | ||||
2496 | #if defined(_PR_HAVE_INET_NTOP) | ||||
2497 | if (NULL((void*)0) == inet_ntop(AF_INET610, &addr->ipv6.ip, string, size)) | ||||
2498 | #else | ||||
2499 | if (NULL((void*)0) == V6AddrToString(&addr->ipv6.ip, string, size)) | ||||
2500 | #endif | ||||
2501 | { | ||||
2502 | /* the size of the result buffer is inadequate */ | ||||
2503 | PR_SetError(PR_BUFFER_OVERFLOW_ERROR(-5962L), 0); | ||||
2504 | return PR_FAILURE; | ||||
2505 | } | ||||
2506 | } | ||||
2507 | else | ||||
2508 | { | ||||
2509 | if (size < 16) { | ||||
2510 | goto failed; | ||||
2511 | } | ||||
2512 | if (AF_INET2 != addr->raw.family) { | ||||
2513 | goto failed; | ||||
2514 | } | ||||
2515 | else | ||||
2516 | { | ||||
2517 | unsigned char *byte = (unsigned char*)&addr->inet.ip; | ||||
2518 | PR_snprintf(string, size, "%u.%u.%u.%u", | ||||
2519 | byte[0], byte[1], byte[2], byte[3]); | ||||
2520 | } | ||||
2521 | } | ||||
2522 | |||||
2523 | return PR_SUCCESS; | ||||
2524 | |||||
2525 | failed: | ||||
2526 | PR_SetError(PR_INVALID_ARGUMENT_ERROR(-5987L), 0); | ||||
2527 | return PR_FAILURE; | ||||
2528 | |||||
2529 | } /* pr_NetAddrToStringFB */ | ||||
2530 | #endif /* !_PR_HAVE_GETADDRINFO || _PR_INET6_PROBE */ | ||||
2531 | |||||
2532 | PR_IMPLEMENT(PRStatus)__attribute__((visibility("default"))) PRStatus PR_NetAddrToString( | ||||
2533 | const PRNetAddr *addr, char *string, PRUint32 size) | ||||
2534 | { | ||||
2535 | if (!_pr_initialized) { | ||||
2536 | _PR_ImplicitInitialization(); | ||||
2537 | } | ||||
2538 | |||||
2539 | #if !defined(_PR_HAVE_GETADDRINFO) | ||||
2540 | return pr_NetAddrToStringFB(addr, string, size); | ||||
2541 | #else | ||||
2542 | #if defined(_PR_INET6_PROBE) | ||||
2543 | if (!_pr_ipv6_is_present()) { | ||||
2544 | return pr_NetAddrToStringFB(addr, string, size); | ||||
2545 | } | ||||
2546 | #endif | ||||
2547 | return pr_NetAddrToStringGNI(addr, string, size); | ||||
2548 | #endif | ||||
2549 | } /* PR_NetAddrToString */ |