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 |
87edd446 |
12 | # if !defined(ultrix) /* Avoid double definition. */ |
43db6828 |
13 | # include <sys/socket.h> |
14 | # endif |
29209bc5 |
15 | # if defined(USE_SOCKS) && defined(I_SOCKS) |
86959918 |
16 | # include <socks.h> |
a062834f |
17 | # endif |
9cc6feab |
18 | # ifdef MPE |
19 | # define PF_INET AF_INET |
20 | # define PF_UNIX AF_UNIX |
21 | # define SOCK_RAW 3 |
22 | # endif |
23 | # ifdef I_SYS_UN |
24 | # include <sys/un.h> |
25 | # endif |
bf9b2f8f |
26 | /* XXX Configure test for <netinet/in_systm.h needed XXX */ |
27 | # if defined(NeXT) || defined(__NeXT__) |
28 | # include <netinet/in_systm.h> |
29 | # endif |
3b8fd1d5 |
30 | # if defined(__sgi) && !defined(AF_LINK) && defined(PF_LINK) && PF_LINK == AF_LNK |
31 | # undef PF_LINK |
32 | # endif |
5518ecd4 |
33 | # if defined(I_NETINET_IN) || defined(__ultrix__) |
8e07c86e |
34 | # include <netinet/in.h> |
35 | # endif |
86959918 |
36 | # ifdef I_NETDB |
87edd446 |
37 | # if !defined(ultrix) /* Avoid double definition. */ |
38 | # include <netdb.h> |
39 | # endif |
86959918 |
40 | # endif |
9cc6feab |
41 | # ifdef I_ARPA_INET |
42 | # include <arpa/inet.h> |
43 | # endif |
44 | # ifdef I_NETINET_TCP |
45 | # include <netinet/tcp.h> |
46 | # endif |
8e07c86e |
47 | #else |
9cc6feab |
48 | # include "sockadapt.h" |
8e07c86e |
49 | #endif |
a0d0e21e |
50 | |
2986a63f |
51 | #ifdef NETWARE |
52 | NETDB_DEFINE_CONTEXT |
53 | NETINET_DEFINE_CONTEXT |
54 | #endif |
55 | |
6b1016b5 |
56 | #ifdef I_SYSUIO |
57 | # include <sys/uio.h> |
58 | #endif |
59 | |
a0d0e21e |
60 | #ifndef AF_NBS |
9cc6feab |
61 | # undef PF_NBS |
a0d0e21e |
62 | #endif |
63 | |
64 | #ifndef AF_X25 |
9cc6feab |
65 | # undef PF_X25 |
a0d0e21e |
66 | #endif |
67 | |
8e07c86e |
68 | #ifndef INADDR_NONE |
9cc6feab |
69 | # define INADDR_NONE 0xffffffff |
8e07c86e |
70 | #endif /* INADDR_NONE */ |
7e1af8bc |
71 | #ifndef INADDR_BROADCAST |
9cc6feab |
72 | # define INADDR_BROADCAST 0xffffffff |
7e1af8bc |
73 | #endif /* INADDR_BROADCAST */ |
8e07c86e |
74 | #ifndef INADDR_LOOPBACK |
9cc6feab |
75 | # define INADDR_LOOPBACK 0x7F000001 |
8e07c86e |
76 | #endif /* INADDR_LOOPBACK */ |
77 | |
7e1af8bc |
78 | #ifndef HAS_INET_ATON |
79 | |
a062834f |
80 | /* |
7e1af8bc |
81 | * Check whether "cp" is a valid ascii representation |
82 | * of an Internet address and convert to a binary address. |
83 | * Returns 1 if the address is valid, 0 if not. |
84 | * This replaces inet_addr, the return value from which |
85 | * cannot distinguish between failure and a local broadcast address. |
86 | */ |
87 | static int |
f0f333f4 |
88 | my_inet_aton(register const char *cp, struct in_addr *addr) |
7e1af8bc |
89 | { |
c5be433b |
90 | dTHX; |
0caed002 |
91 | register U32 val; |
7e1af8bc |
92 | register int base; |
93 | register char c; |
94 | int nparts; |
95 | const char *s; |
96 | unsigned int parts[4]; |
97 | register unsigned int *pp = parts; |
98 | |
dfb6a7ef |
99 | if (!cp || !*cp) |
0caed002 |
100 | return 0; |
7e1af8bc |
101 | for (;;) { |
102 | /* |
103 | * Collect number up to ``.''. |
104 | * Values are specified as for C: |
105 | * 0x=hex, 0=octal, other=decimal. |
106 | */ |
107 | val = 0; base = 10; |
108 | if (*cp == '0') { |
109 | if (*++cp == 'x' || *cp == 'X') |
110 | base = 16, cp++; |
111 | else |
112 | base = 8; |
113 | } |
114 | while ((c = *cp) != '\0') { |
115 | if (isDIGIT(c)) { |
116 | val = (val * base) + (c - '0'); |
117 | cp++; |
118 | continue; |
119 | } |
3280af22 |
120 | if (base == 16 && (s=strchr(PL_hexdigit,c))) { |
a062834f |
121 | val = (val << 4) + |
3280af22 |
122 | ((s - PL_hexdigit) & 15); |
7e1af8bc |
123 | cp++; |
124 | continue; |
125 | } |
126 | break; |
127 | } |
128 | if (*cp == '.') { |
129 | /* |
130 | * Internet format: |
131 | * a.b.c.d |
132 | * a.b.c (with c treated as 16-bits) |
133 | * a.b (with b treated as 24 bits) |
134 | */ |
135 | if (pp >= parts + 3 || val > 0xff) |
136 | return 0; |
137 | *pp++ = val, cp++; |
138 | } else |
139 | break; |
140 | } |
141 | /* |
142 | * Check for trailing characters. |
143 | */ |
144 | if (*cp && !isSPACE(*cp)) |
145 | return 0; |
146 | /* |
147 | * Concoct the address according to |
148 | * the number of parts specified. |
149 | */ |
150 | nparts = pp - parts + 1; /* force to an int for switch() */ |
151 | switch (nparts) { |
152 | |
153 | case 1: /* a -- 32 bits */ |
154 | break; |
155 | |
156 | case 2: /* a.b -- 8.24 bits */ |
157 | if (val > 0xffffff) |
158 | return 0; |
159 | val |= parts[0] << 24; |
160 | break; |
161 | |
162 | case 3: /* a.b.c -- 8.8.16 bits */ |
163 | if (val > 0xffff) |
164 | return 0; |
165 | val |= (parts[0] << 24) | (parts[1] << 16); |
166 | break; |
167 | |
168 | case 4: /* a.b.c.d -- 8.8.8.8 bits */ |
169 | if (val > 0xff) |
170 | return 0; |
171 | val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); |
172 | break; |
173 | } |
174 | addr->s_addr = htonl(val); |
175 | return 1; |
176 | } |
177 | |
178 | #undef inet_aton |
179 | #define inet_aton my_inet_aton |
180 | |
181 | #endif /* ! HAS_INET_ATON */ |
182 | |
8e07c86e |
183 | |
a0d0e21e |
184 | static int |
f0f333f4 |
185 | not_here(char *s) |
a0d0e21e |
186 | { |
187 | croak("Socket::%s not implemented on this architecture", s); |
188 | return -1; |
189 | } |
190 | |
2528d3bc |
191 | #define PERL_IN_ADDR_S_ADDR_SIZE 4 |
192 | |
193 | /* |
194 | * Bad assumptions possible here. |
195 | * |
196 | * Bad Assumption 1: struct in_addr has no other fields |
197 | * than the s_addr (which is the field we care about |
198 | * in here, really). However, we can be fed either 4-byte |
199 | * addresses (from pack("N", ...), or va.b.c.d, or ...), |
200 | * or full struct in_addrs (from e.g. pack_sockaddr_in()), |
201 | * which may or may not be 4 bytes in size. |
202 | * |
203 | * Bad Assumption 2: the s_addr field is a simple type |
204 | * (such as an int, u_int32_t). It can be a bit field, |
205 | * in which case using & (address-of) on it or taking sizeof() |
206 | * wouldn't go over too well. (Those are not attempted |
207 | * now but in case someone thinks to change the below code |
208 | * to use addr.s_addr instead of addr, you have been warned.) |
209 | * |
210 | * Bad Assumption 3: the s_addr is the first field in |
211 | * an in_addr, or that its bytes are the first bytes in |
212 | * an in_addr. |
213 | * |
214 | * These bad assumptions are wrong in UNICOS which has |
215 | * struct in_addr { struct { u_long st_addr:32; } s_da }; |
216 | * #define s_addr s_da.st_addr |
217 | * and u_long is 64 bits. |
218 | * |
219 | * --jhi */ |
220 | |
1cb0fb50 |
221 | #include "const-c.inc" |
8e07c86e |
222 | |
a0d0e21e |
223 | MODULE = Socket PACKAGE = Socket |
224 | |
1cb0fb50 |
225 | INCLUDE: const-xs.inc |
8e07c86e |
226 | |
227 | void |
228 | inet_aton(host) |
229 | char * host |
230 | CODE: |
231 | { |
fbf77aee |
232 | struct in_addr ip_address; |
8e07c86e |
233 | struct hostent * phe; |
6e110628 |
234 | int ok = (*host != '\0') && inet_aton(host, &ip_address); |
8e07c86e |
235 | |
2130c338 |
236 | if (!ok && (phe = gethostbyname(host)) && |
237 | phe->h_addrtype == AF_INET && phe->h_length == 4) { |
fbf77aee |
238 | Copy( phe->h_addr, &ip_address, phe->h_length, char ); |
7e1af8bc |
239 | ok = 1; |
8e07c86e |
240 | } |
241 | |
242 | ST(0) = sv_newmortal(); |
2528d3bc |
243 | if (ok) |
fbf77aee |
244 | sv_setpvn( ST(0), (char *)&ip_address, sizeof ip_address ); |
8e07c86e |
245 | } |
8e07c86e |
246 | |
247 | void |
248 | inet_ntoa(ip_address_sv) |
249 | SV * ip_address_sv |
250 | CODE: |
251 | { |
252 | STRLEN addrlen; |
253 | struct in_addr addr; |
254 | char * addr_str; |
1d68b939 |
255 | char * ip_address; |
256 | if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) |
b2d93eb8 |
257 | croak("Wide character in Socket::inet_ntoa"); |
f780604f |
258 | ip_address = SvPVbyte(ip_address_sv, addrlen); |
2528d3bc |
259 | if (addrlen == sizeof(addr) || addrlen == 4) |
260 | addr.s_addr = |
261 | (ip_address[0] & 0xFF) << 24 | |
262 | (ip_address[1] & 0xFF) << 16 | |
263 | (ip_address[2] & 0xFF) << 8 | |
264 | (ip_address[3] & 0xFF); |
265 | else |
266 | croak("Bad arg length for %s, length is %d, should be %d", |
267 | "Socket::inet_ntoa", |
268 | addrlen, sizeof(addr)); |
269 | /* We could use inet_ntoa() but that is broken |
270 | * in HP-UX + GCC + 64bitint (returns "0.0.0.0"), |
1d88b533 |
271 | * so let's use this sprintf() workaround everywhere. |
272 | * This is also more threadsafe than using inet_ntoa(). */ |
a02a5408 |
273 | Newx(addr_str, 4 * 3 + 3 + 1, char); /* IPv6? */ |
1d68b939 |
274 | sprintf(addr_str, "%d.%d.%d.%d", |
275 | ((addr.s_addr >> 24) & 0xFF), |
276 | ((addr.s_addr >> 16) & 0xFF), |
277 | ((addr.s_addr >> 8) & 0xFF), |
278 | ( addr.s_addr & 0xFF)); |
279 | ST(0) = sv_2mortal(newSVpvn(addr_str, strlen(addr_str))); |
280 | Safefree(addr_str); |
8e07c86e |
281 | } |
282 | |
283 | void |
2a84dff3 |
284 | sockaddr_family(sockaddr) |
285 | SV * sockaddr |
286 | PREINIT: |
287 | STRLEN sockaddr_len; |
f780604f |
288 | char *sockaddr_pv = SvPVbyte(sockaddr, sockaddr_len); |
2a84dff3 |
289 | CODE: |
290 | if (sockaddr_len < offsetof(struct sockaddr, sa_data)) { |
291 | croak("Bad arg length for %s, length is %d, should be at least %d", |
292 | "Socket::sockaddr_family", sockaddr_len, |
293 | offsetof(struct sockaddr, sa_data)); |
294 | } |
295 | ST(0) = sv_2mortal(newSViv(((struct sockaddr*)sockaddr_pv)->sa_family)); |
296 | |
297 | void |
4633a7c4 |
298 | pack_sockaddr_un(pathname) |
7513c55b |
299 | SV * pathname |
4633a7c4 |
300 | CODE: |
301 | { |
25f94b33 |
302 | #ifdef I_SYS_UN |
4633a7c4 |
303 | struct sockaddr_un sun_ad; /* fear using sun */ |
fcdb74fc |
304 | STRLEN len; |
7513c55b |
305 | char * pathname_pv; |
202975e6 |
306 | |
4633a7c4 |
307 | Zero( &sun_ad, sizeof sun_ad, char ); |
308 | sun_ad.sun_family = AF_UNIX; |
7513c55b |
309 | pathname_pv = SvPV(pathname,len); |
20408e3c |
310 | if (len > sizeof(sun_ad.sun_path)) |
311 | len = sizeof(sun_ad.sun_path); |
202975e6 |
312 | # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ |
313 | { |
314 | int off; |
315 | char *s, *e; |
316 | |
7513c55b |
317 | if (pathname_pv[0] != '/' && pathname_pv[0] != '\\') |
318 | croak("Relative UNIX domain socket name '%s' unsupported", |
319 | pathname_pv); |
a062834f |
320 | else if (len < 8 |
7513c55b |
321 | || pathname_pv[7] != '/' && pathname_pv[7] != '\\' |
322 | || !strnicmp(pathname_pv + 1, "socket", 6)) |
202975e6 |
323 | off = 7; |
324 | else |
325 | off = 0; /* Preserve names starting with \socket\ */ |
326 | Copy( "\\socket", sun_ad.sun_path, off, char); |
7513c55b |
327 | Copy( pathname_pv, sun_ad.sun_path + off, len, char ); |
202975e6 |
328 | |
329 | s = sun_ad.sun_path + off - 1; |
330 | e = s + len + 1; |
331 | while (++s < e) |
332 | if (*s = '/') |
333 | *s = '\\'; |
334 | } |
a062834f |
335 | # else /* !( defined OS2 ) */ |
7513c55b |
336 | Copy( pathname_pv, sun_ad.sun_path, len, char ); |
202975e6 |
337 | # endif |
a062834f |
338 | if (0) not_here("dummy"); |
79cb57f6 |
339 | ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, sizeof sun_ad)); |
25f94b33 |
340 | #else |
341 | ST(0) = (SV *) not_here("pack_sockaddr_un"); |
342 | #endif |
343 | |
4633a7c4 |
344 | } |
345 | |
346 | void |
347 | unpack_sockaddr_un(sun_sv) |
348 | SV * sun_sv |
f13e1b2f |
349 | CODE: |
4633a7c4 |
350 | { |
25f94b33 |
351 | #ifdef I_SYS_UN |
4633a7c4 |
352 | struct sockaddr_un addr; |
fcdb74fc |
353 | STRLEN sockaddrlen; |
f780604f |
354 | char * sun_ad = SvPVbyte(sun_sv,sockaddrlen); |
fcdb74fc |
355 | char * e; |
36902e12 |
356 | # ifndef __linux__ |
357 | /* On Linux sockaddrlen on sockets returned by accept, recvfrom, |
358 | getpeername and getsockname is not equal to sizeof(addr). */ |
4633a7c4 |
359 | if (sockaddrlen != sizeof(addr)) { |
360 | croak("Bad arg length for %s, length is %d, should be %d", |
361 | "Socket::unpack_sockaddr_un", |
362 | sockaddrlen, sizeof(addr)); |
363 | } |
36902e12 |
364 | # endif |
4633a7c4 |
365 | |
366 | Copy( sun_ad, &addr, sizeof addr, char ); |
367 | |
368 | if ( addr.sun_family != AF_UNIX ) { |
369 | croak("Bad address family for %s, got %d, should be %d", |
370 | "Socket::unpack_sockaddr_un", |
371 | addr.sun_family, |
372 | AF_UNIX); |
fcdb74fc |
373 | } |
e023fae8 |
374 | e = (char*)addr.sun_path; |
7513c55b |
375 | /* On Linux, the name of abstract unix domain sockets begins |
376 | * with a '\0', so allow this. */ |
c0fd1b42 |
377 | while ((*e || (e == addr.sun_path && e[1] && sockaddrlen > 1)) |
7513c55b |
378 | && e < (char*)addr.sun_path + sizeof addr.sun_path) |
fcdb74fc |
379 | ++e; |
e023fae8 |
380 | ST(0) = sv_2mortal(newSVpvn(addr.sun_path, e - (char*)addr.sun_path)); |
25f94b33 |
381 | #else |
382 | ST(0) = (SV *) not_here("unpack_sockaddr_un"); |
383 | #endif |
4633a7c4 |
384 | } |
385 | |
386 | void |
2528d3bc |
387 | pack_sockaddr_in(port, ip_address_sv) |
2c129a17 |
388 | unsigned short port |
2528d3bc |
389 | SV * ip_address_sv |
8e07c86e |
390 | CODE: |
391 | { |
392 | struct sockaddr_in sin; |
2528d3bc |
393 | struct in_addr addr; |
394 | STRLEN addrlen; |
395 | char * ip_address; |
396 | if (DO_UTF8(ip_address_sv) && !sv_utf8_downgrade(ip_address_sv, 1)) |
397 | croak("Wide character in Socket::pack_sockaddr_in"); |
f780604f |
398 | ip_address = SvPVbyte(ip_address_sv, addrlen); |
2528d3bc |
399 | if (addrlen == sizeof(addr) || addrlen == 4) |
400 | addr.s_addr = |
401 | (ip_address[0] & 0xFF) << 24 | |
402 | (ip_address[1] & 0xFF) << 16 | |
403 | (ip_address[2] & 0xFF) << 8 | |
404 | (ip_address[3] & 0xFF); |
405 | else |
406 | croak("Bad arg length for %s, length is %d, should be %d", |
407 | "Socket::pack_sockaddr_in", |
408 | addrlen, sizeof(addr)); |
8e07c86e |
409 | Zero( &sin, sizeof sin, char ); |
4633a7c4 |
410 | sin.sin_family = AF_INET; |
8e07c86e |
411 | sin.sin_port = htons(port); |
2528d3bc |
412 | sin.sin_addr.s_addr = htonl(addr.s_addr); |
79cb57f6 |
413 | ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof sin)); |
8e07c86e |
414 | } |
415 | |
416 | void |
417 | unpack_sockaddr_in(sin_sv) |
418 | SV * sin_sv |
419 | PPCODE: |
420 | { |
421 | STRLEN sockaddrlen; |
422 | struct sockaddr_in addr; |
2c129a17 |
423 | unsigned short port; |
2528d3bc |
424 | struct in_addr ip_address; |
f780604f |
425 | char * sin = SvPVbyte(sin_sv,sockaddrlen); |
8e07c86e |
426 | if (sockaddrlen != sizeof(addr)) { |
427 | croak("Bad arg length for %s, length is %d, should be %d", |
428 | "Socket::unpack_sockaddr_in", |
429 | sockaddrlen, sizeof(addr)); |
430 | } |
8e07c86e |
431 | Copy( sin, &addr,sizeof addr, char ); |
4633a7c4 |
432 | if ( addr.sin_family != AF_INET ) { |
433 | croak("Bad address family for %s, got %d, should be %d", |
434 | "Socket::unpack_sockaddr_in", |
435 | addr.sin_family, |
436 | AF_INET); |
a062834f |
437 | } |
8e07c86e |
438 | port = ntohs(addr.sin_port); |
439 | ip_address = addr.sin_addr; |
440 | |
924508f0 |
441 | EXTEND(SP, 2); |
2c129a17 |
442 | PUSHs(sv_2mortal(newSViv((IV) port))); |
2528d3bc |
443 | PUSHs(sv_2mortal(newSVpvn((char *)&ip_address, sizeof ip_address))); |
8e07c86e |
444 | } |