Commit | Line | Data |
c5be433b |
1 | #define PERL_NO_GET_CONTEXT |
a0d0e21e |
2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
fc87b71c |
6 | #include <stddef.h> |
7 | |
8e07c86e |
8 | #ifndef VMS |
9 | # ifdef I_SYS_TYPES |
10 | # include <sys/types.h> |
11 | # endif |
9cc6feab |
12 | # include <sys/socket.h> |
29209bc5 |
13 | # if defined(USE_SOCKS) && defined(I_SOCKS) |
86959918 |
14 | # include <socks.h> |
a062834f |
15 | # endif |
9cc6feab |
16 | # ifdef MPE |
17 | # define PF_INET AF_INET |
18 | # define PF_UNIX AF_UNIX |
19 | # define SOCK_RAW 3 |
20 | # endif |
21 | # ifdef I_SYS_UN |
22 | # include <sys/un.h> |
23 | # endif |
bf9b2f8f |
24 | /* XXX Configure test for <netinet/in_systm.h needed XXX */ |
25 | # if defined(NeXT) || defined(__NeXT__) |
26 | # include <netinet/in_systm.h> |
27 | # endif |
3b8fd1d5 |
28 | # if defined(__sgi) && !defined(AF_LINK) && defined(PF_LINK) && PF_LINK == AF_LNK |
29 | # undef PF_LINK |
30 | # endif |
8e07c86e |
31 | # ifdef I_NETINET_IN |
32 | # include <netinet/in.h> |
33 | # endif |
86959918 |
34 | # ifdef I_NETDB |
35 | # include <netdb.h> |
36 | # endif |
9cc6feab |
37 | # ifdef I_ARPA_INET |
38 | # include <arpa/inet.h> |
39 | # endif |
40 | # ifdef I_NETINET_TCP |
41 | # include <netinet/tcp.h> |
42 | # endif |
8e07c86e |
43 | #else |
9cc6feab |
44 | # include "sockadapt.h" |
8e07c86e |
45 | #endif |
a0d0e21e |
46 | |
2986a63f |
47 | #ifdef NETWARE |
48 | NETDB_DEFINE_CONTEXT |
49 | NETINET_DEFINE_CONTEXT |
50 | #endif |
51 | |
6b1016b5 |
52 | #ifdef I_SYSUIO |
53 | # include <sys/uio.h> |
54 | #endif |
55 | |
a0d0e21e |
56 | #ifndef AF_NBS |
9cc6feab |
57 | # undef PF_NBS |
a0d0e21e |
58 | #endif |
59 | |
60 | #ifndef AF_X25 |
9cc6feab |
61 | # undef PF_X25 |
a0d0e21e |
62 | #endif |
63 | |
8e07c86e |
64 | #ifndef INADDR_NONE |
9cc6feab |
65 | # define INADDR_NONE 0xffffffff |
8e07c86e |
66 | #endif /* INADDR_NONE */ |
7e1af8bc |
67 | #ifndef INADDR_BROADCAST |
9cc6feab |
68 | # define INADDR_BROADCAST 0xffffffff |
7e1af8bc |
69 | #endif /* INADDR_BROADCAST */ |
8e07c86e |
70 | #ifndef INADDR_LOOPBACK |
9cc6feab |
71 | # define INADDR_LOOPBACK 0x7F000001 |
8e07c86e |
72 | #endif /* INADDR_LOOPBACK */ |
73 | |
7e1af8bc |
74 | #ifndef HAS_INET_ATON |
75 | |
a062834f |
76 | /* |
7e1af8bc |
77 | * Check whether "cp" is a valid ascii representation |
78 | * of an Internet address and convert to a binary address. |
79 | * Returns 1 if the address is valid, 0 if not. |
80 | * This replaces inet_addr, the return value from which |
81 | * cannot distinguish between failure and a local broadcast address. |
82 | */ |
83 | static int |
f0f333f4 |
84 | my_inet_aton(register const char *cp, struct in_addr *addr) |
7e1af8bc |
85 | { |
c5be433b |
86 | dTHX; |
0caed002 |
87 | register U32 val; |
7e1af8bc |
88 | register int base; |
89 | register char c; |
90 | int nparts; |
91 | const char *s; |
92 | unsigned int parts[4]; |
93 | register unsigned int *pp = parts; |
94 | |
dfb6a7ef |
95 | if (!cp || !*cp) |
0caed002 |
96 | return 0; |
7e1af8bc |
97 | for (;;) { |
98 | /* |
99 | * Collect number up to ``.''. |
100 | * Values are specified as for C: |
101 | * 0x=hex, 0=octal, other=decimal. |
102 | */ |
103 | val = 0; base = 10; |
104 | if (*cp == '0') { |
105 | if (*++cp == 'x' || *cp == 'X') |
106 | base = 16, cp++; |
107 | else |
108 | base = 8; |
109 | } |
110 | while ((c = *cp) != '\0') { |
111 | if (isDIGIT(c)) { |
112 | val = (val * base) + (c - '0'); |
113 | cp++; |
114 | continue; |
115 | } |
3280af22 |
116 | if (base == 16 && (s=strchr(PL_hexdigit,c))) { |
a062834f |
117 | val = (val << 4) + |
3280af22 |
118 | ((s - PL_hexdigit) & 15); |
7e1af8bc |
119 | cp++; |
120 | continue; |
121 | } |
122 | break; |
123 | } |
124 | if (*cp == '.') { |
125 | /* |
126 | * Internet format: |
127 | * a.b.c.d |
128 | * a.b.c (with c treated as 16-bits) |
129 | * a.b (with b treated as 24 bits) |
130 | */ |
131 | if (pp >= parts + 3 || val > 0xff) |
132 | return 0; |
133 | *pp++ = val, cp++; |
134 | } else |
135 | break; |
136 | } |
137 | /* |
138 | * Check for trailing characters. |
139 | */ |
140 | if (*cp && !isSPACE(*cp)) |
141 | return 0; |
142 | /* |
143 | * Concoct the address according to |
144 | * the number of parts specified. |
145 | */ |
146 | nparts = pp - parts + 1; /* force to an int for switch() */ |
147 | switch (nparts) { |
148 | |
149 | case 1: /* a -- 32 bits */ |
150 | break; |
151 | |
152 | case 2: /* a.b -- 8.24 bits */ |
153 | if (val > 0xffffff) |
154 | return 0; |
155 | val |= parts[0] << 24; |
156 | break; |
157 | |
158 | case 3: /* a.b.c -- 8.8.16 bits */ |
159 | if (val > 0xffff) |
160 | return 0; |
161 | val |= (parts[0] << 24) | (parts[1] << 16); |
162 | break; |
163 | |
164 | case 4: /* a.b.c.d -- 8.8.8.8 bits */ |
165 | if (val > 0xff) |
166 | return 0; |
167 | val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); |
168 | break; |
169 | } |
170 | addr->s_addr = htonl(val); |
171 | return 1; |
172 | } |
173 | |
174 | #undef inet_aton |
175 | #define inet_aton my_inet_aton |
176 | |
177 | #endif /* ! HAS_INET_ATON */ |
178 | |
8e07c86e |
179 | |
a0d0e21e |
180 | static int |
f0f333f4 |
181 | not_here(char *s) |
a0d0e21e |
182 | { |
183 | croak("Socket::%s not implemented on this architecture", s); |
184 | return -1; |
185 | } |
186 | |
2528d3bc |
187 | #define PERL_IN_ADDR_S_ADDR_SIZE 4 |
188 | |
189 | /* |
190 | * Bad assumptions possible here. |
191 | * |
192 | * Bad Assumption 1: struct in_addr has no other fields |
193 | * than the s_addr (which is the field we care about |
194 | * in here, really). However, we can be fed either 4-byte |
195 | * addresses (from pack("N", ...), or va.b.c.d, or ...), |
196 | * or full struct in_addrs (from e.g. pack_sockaddr_in()), |
197 | * which may or may not be 4 bytes in size. |
198 | * |
199 | * Bad Assumption 2: the s_addr field is a simple type |
200 | * (such as an int, u_int32_t). It can be a bit field, |
201 | * in which case using & (address-of) on it or taking sizeof() |
202 | * wouldn't go over too well. (Those are not attempted |
203 | * now but in case someone thinks to change the below code |
204 | * to use addr.s_addr instead of addr, you have been warned.) |
205 | * |
206 | * Bad Assumption 3: the s_addr is the first field in |
207 | * an in_addr, or that its bytes are the first bytes in |
208 | * an in_addr. |
209 | * |
210 | * These bad assumptions are wrong in UNICOS which has |
211 | * struct in_addr { struct { u_long st_addr:32; } s_da }; |
212 | * #define s_addr s_da.st_addr |
213 | * and u_long is 64 bits. |
214 | * |
215 | * --jhi */ |
216 | |
1cb0fb50 |
217 | #include "const-c.inc" |
8e07c86e |
218 | |
a0d0e21e |
219 | MODULE = Socket PACKAGE = Socket |
220 | |
1cb0fb50 |
221 | INCLUDE: const-xs.inc |
8e07c86e |
222 | |
223 | void |
224 | inet_aton(host) |
225 | char * host |
226 | CODE: |
227 | { |
fbf77aee |
228 | struct in_addr ip_address; |
8e07c86e |
229 | struct hostent * phe; |
64e1b767 |
230 | int ok = |
231 | (host != NULL) && |
232 | (*host != '\0') && |
233 | inet_aton(host, &ip_address); |
8e07c86e |
234 | |
fbf77aee |
235 | if (!ok && (phe = gethostbyname(host))) { |
236 | Copy( phe->h_addr, &ip_address, phe->h_length, char ); |
7e1af8bc |
237 | ok = 1; |
8e07c86e |
238 | } |
239 | |
240 | ST(0) = sv_newmortal(); |
2528d3bc |
241 | if (ok) |
fbf77aee |
242 | sv_setpvn( ST(0), (char *)&ip_address, sizeof ip_address ); |
8e07c86e |
243 | } |
8e07c86e |
244 | |
245 | void |
246 | inet_ntoa(ip_address_sv) |
247 | SV * ip_address_sv |
248 | CODE: |
249 | { |
250 | STRLEN addrlen; |
251 | struct in_addr addr; |
252 | char * addr_str; |
1d68b939 |
253 | char * ip_address; |
254 | if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) |
b2d93eb8 |
255 | croak("Wide character in Socket::inet_ntoa"); |
f780604f |
256 | ip_address = SvPVbyte(ip_address_sv, addrlen); |
2528d3bc |
257 | if (addrlen == sizeof(addr) || addrlen == 4) |
258 | addr.s_addr = |
259 | (ip_address[0] & 0xFF) << 24 | |
260 | (ip_address[1] & 0xFF) << 16 | |
261 | (ip_address[2] & 0xFF) << 8 | |
262 | (ip_address[3] & 0xFF); |
263 | else |
264 | croak("Bad arg length for %s, length is %d, should be %d", |
265 | "Socket::inet_ntoa", |
266 | addrlen, sizeof(addr)); |
267 | /* We could use inet_ntoa() but that is broken |
268 | * in HP-UX + GCC + 64bitint (returns "0.0.0.0"), |
1d88b533 |
269 | * so let's use this sprintf() workaround everywhere. |
270 | * This is also more threadsafe than using inet_ntoa(). */ |
271 | New(1138, addr_str, 4 * 3 + 3 + 1, char); /* IPv6? */ |
1d68b939 |
272 | sprintf(addr_str, "%d.%d.%d.%d", |
273 | ((addr.s_addr >> 24) & 0xFF), |
274 | ((addr.s_addr >> 16) & 0xFF), |
275 | ((addr.s_addr >> 8) & 0xFF), |
276 | ( addr.s_addr & 0xFF)); |
277 | ST(0) = sv_2mortal(newSVpvn(addr_str, strlen(addr_str))); |
278 | Safefree(addr_str); |
8e07c86e |
279 | } |
280 | |
281 | void |
2a84dff3 |
282 | sockaddr_family(sockaddr) |
283 | SV * sockaddr |
284 | PREINIT: |
285 | STRLEN sockaddr_len; |
f780604f |
286 | char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len); |
2a84dff3 |
287 | CODE: |
288 | if (sockaddr_len < offsetof(struct sockaddr, sa_data)) { |
289 | croak("Bad arg length for %s, length is %d, should be at least %d", |
290 | "Socket::sockaddr_family", sockaddr_len, |
291 | offsetof(struct sockaddr, sa_data)); |
292 | } |
293 | ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family)); |
294 | |
295 | void |
4633a7c4 |
296 | pack_sockaddr_un(pathname) |
297 | char * pathname |
298 | CODE: |
299 | { |
25f94b33 |
300 | #ifdef I_SYS_UN |
4633a7c4 |
301 | struct sockaddr_un sun_ad; /* fear using sun */ |
fcdb74fc |
302 | STRLEN len; |
202975e6 |
303 | |
4633a7c4 |
304 | Zero( &sun_ad, sizeof sun_ad, char ); |
305 | sun_ad.sun_family = AF_UNIX; |
20408e3c |
306 | len = strlen(pathname); |
307 | if (len > sizeof(sun_ad.sun_path)) |
308 | len = sizeof(sun_ad.sun_path); |
202975e6 |
309 | # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ |
310 | { |
311 | int off; |
312 | char *s, *e; |
313 | |
314 | if (pathname[0] != '/' && pathname[0] != '\\') |
315 | croak("Relative UNIX domain socket name '%s' unsupported", pathname); |
a062834f |
316 | else if (len < 8 |
202975e6 |
317 | || pathname[7] != '/' && pathname[7] != '\\' |
318 | || !strnicmp(pathname + 1, "socket", 6)) |
319 | off = 7; |
320 | else |
321 | off = 0; /* Preserve names starting with \socket\ */ |
322 | Copy( "\\socket", sun_ad.sun_path, off, char); |
323 | Copy( pathname, sun_ad.sun_path + off, len, char ); |
324 | |
325 | s = sun_ad.sun_path + off - 1; |
326 | e = s + len + 1; |
327 | while (++s < e) |
328 | if (*s = '/') |
329 | *s = '\\'; |
330 | } |
a062834f |
331 | # else /* !( defined OS2 ) */ |
20408e3c |
332 | Copy( pathname, sun_ad.sun_path, len, char ); |
202975e6 |
333 | # endif |
a062834f |
334 | if (0) not_here("dummy"); |
79cb57f6 |
335 | ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, sizeof sun_ad)); |
25f94b33 |
336 | #else |
337 | ST(0) = (SV *) not_here("pack_sockaddr_un"); |
338 | #endif |
339 | |
4633a7c4 |
340 | } |
341 | |
342 | void |
343 | unpack_sockaddr_un(sun_sv) |
344 | SV * sun_sv |
f13e1b2f |
345 | CODE: |
4633a7c4 |
346 | { |
25f94b33 |
347 | #ifdef I_SYS_UN |
4633a7c4 |
348 | struct sockaddr_un addr; |
fcdb74fc |
349 | STRLEN sockaddrlen; |
f780604f |
350 | char * sun_ad = SvPVbyte(sun_sv,sockaddrlen); |
fcdb74fc |
351 | char * e; |
36902e12 |
352 | # ifndef __linux__ |
353 | /* On Linux sockaddrlen on sockets returned by accept, recvfrom, |
354 | getpeername and getsockname is not equal to sizeof(addr). */ |
4633a7c4 |
355 | if (sockaddrlen != sizeof(addr)) { |
356 | croak("Bad arg length for %s, length is %d, should be %d", |
357 | "Socket::unpack_sockaddr_un", |
358 | sockaddrlen, sizeof(addr)); |
359 | } |
36902e12 |
360 | # endif |
4633a7c4 |
361 | |
362 | Copy( sun_ad, &addr, sizeof addr, char ); |
363 | |
364 | if ( addr.sun_family != AF_UNIX ) { |
365 | croak("Bad address family for %s, got %d, should be %d", |
366 | "Socket::unpack_sockaddr_un", |
367 | addr.sun_family, |
368 | AF_UNIX); |
fcdb74fc |
369 | } |
370 | e = addr.sun_path; |
371 | while (*e && e < addr.sun_path + sizeof addr.sun_path) |
372 | ++e; |
79cb57f6 |
373 | ST(0) = sv_2mortal(newSVpvn(addr.sun_path, e - addr.sun_path)); |
25f94b33 |
374 | #else |
375 | ST(0) = (SV *) not_here("unpack_sockaddr_un"); |
376 | #endif |
4633a7c4 |
377 | } |
378 | |
379 | void |
2528d3bc |
380 | pack_sockaddr_in(port, ip_address_sv) |
2c129a17 |
381 | unsigned short port |
2528d3bc |
382 | SV * ip_address_sv |
8e07c86e |
383 | CODE: |
384 | { |
385 | struct sockaddr_in sin; |
2528d3bc |
386 | struct in_addr addr; |
387 | STRLEN addrlen; |
388 | char * ip_address; |
389 | if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) |
390 | croak("Wide character in Socket::pack_sockaddr_in"); |
f780604f |
391 | ip_address = SvPVbyte(ip_address_sv, addrlen); |
2528d3bc |
392 | if (addrlen == sizeof(addr) || addrlen == 4) |
393 | addr.s_addr = |
394 | (ip_address[0] & 0xFF) << 24 | |
395 | (ip_address[1] & 0xFF) << 16 | |
396 | (ip_address[2] & 0xFF) << 8 | |
397 | (ip_address[3] & 0xFF); |
398 | else |
399 | croak("Bad arg length for %s, length is %d, should be %d", |
400 | "Socket::pack_sockaddr_in", |
401 | addrlen, sizeof(addr)); |
8e07c86e |
402 | Zero( &sin, sizeof sin, char ); |
4633a7c4 |
403 | sin.sin_family = AF_INET; |
8e07c86e |
404 | sin.sin_port = htons(port); |
2528d3bc |
405 | sin.sin_addr.s_addr = htonl(addr.s_addr); |
79cb57f6 |
406 | ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof sin)); |
8e07c86e |
407 | } |
408 | |
409 | void |
410 | unpack_sockaddr_in(sin_sv) |
411 | SV * sin_sv |
412 | PPCODE: |
413 | { |
414 | STRLEN sockaddrlen; |
415 | struct sockaddr_in addr; |
2c129a17 |
416 | unsigned short port; |
2528d3bc |
417 | struct in_addr ip_address; |
f780604f |
418 | char * sin = SvPVbyte(sin_sv,sockaddrlen); |
8e07c86e |
419 | if (sockaddrlen != sizeof(addr)) { |
420 | croak("Bad arg length for %s, length is %d, should be %d", |
421 | "Socket::unpack_sockaddr_in", |
422 | sockaddrlen, sizeof(addr)); |
423 | } |
8e07c86e |
424 | Copy( sin, &addr,sizeof addr, char ); |
4633a7c4 |
425 | if ( addr.sin_family != AF_INET ) { |
426 | croak("Bad address family for %s, got %d, should be %d", |
427 | "Socket::unpack_sockaddr_in", |
428 | addr.sin_family, |
429 | AF_INET); |
a062834f |
430 | } |
8e07c86e |
431 | port = ntohs(addr.sin_port); |
432 | ip_address = addr.sin_addr; |
433 | |
924508f0 |
434 | EXTEND(SP, 2); |
2c129a17 |
435 | PUSHs(sv_2mortal(newSViv((IV) port))); |
2528d3bc |
436 | PUSHs(sv_2mortal(newSVpvn((char *)&ip_address, sizeof ip_address))); |
8e07c86e |
437 | } |