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