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c5be433b |
1 | #define PERL_NO_GET_CONTEXT |
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2 | #include "EXTERN.h" |
3 | #include "perl.h" |
4 | #include "XSUB.h" |
5 | |
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6 | #ifndef VMS |
7 | # ifdef I_SYS_TYPES |
8 | # include <sys/types.h> |
9 | # endif |
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10 | # include <sys/socket.h> |
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11 | # if defined(USE_SOCKS) && defined(I_SOCKS) |
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12 | # include <socks.h> |
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13 | # endif |
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14 | # ifdef MPE |
15 | # define PF_INET AF_INET |
16 | # define PF_UNIX AF_UNIX |
17 | # define SOCK_RAW 3 |
18 | # endif |
19 | # ifdef I_SYS_UN |
20 | # include <sys/un.h> |
21 | # endif |
bf9b2f8f |
22 | /* XXX Configure test for <netinet/in_systm.h needed XXX */ |
23 | # if defined(NeXT) || defined(__NeXT__) |
24 | # include <netinet/in_systm.h> |
25 | # endif |
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26 | # ifdef I_NETINET_IN |
27 | # include <netinet/in.h> |
28 | # endif |
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29 | # ifdef I_NETDB |
30 | # include <netdb.h> |
31 | # endif |
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32 | # ifdef I_ARPA_INET |
33 | # include <arpa/inet.h> |
34 | # endif |
35 | # ifdef I_NETINET_TCP |
36 | # include <netinet/tcp.h> |
37 | # endif |
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38 | #else |
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39 | # include "sockadapt.h" |
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40 | #endif |
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41 | |
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42 | #ifdef NETWARE |
43 | NETDB_DEFINE_CONTEXT |
44 | NETINET_DEFINE_CONTEXT |
45 | #endif |
46 | |
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47 | #ifdef I_SYSUIO |
48 | # include <sys/uio.h> |
49 | #endif |
50 | |
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51 | #ifndef AF_NBS |
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52 | # undef PF_NBS |
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53 | #endif |
54 | |
55 | #ifndef AF_X25 |
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56 | # undef PF_X25 |
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57 | #endif |
58 | |
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59 | #ifndef INADDR_NONE |
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60 | # define INADDR_NONE 0xffffffff |
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61 | #endif /* INADDR_NONE */ |
7e1af8bc |
62 | #ifndef INADDR_BROADCAST |
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63 | # define INADDR_BROADCAST 0xffffffff |
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64 | #endif /* INADDR_BROADCAST */ |
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65 | #ifndef INADDR_LOOPBACK |
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66 | # define INADDR_LOOPBACK 0x7F000001 |
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67 | #endif /* INADDR_LOOPBACK */ |
68 | |
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69 | #ifndef HAS_INET_ATON |
70 | |
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71 | /* |
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72 | * Check whether "cp" is a valid ascii representation |
73 | * of an Internet address and convert to a binary address. |
74 | * Returns 1 if the address is valid, 0 if not. |
75 | * This replaces inet_addr, the return value from which |
76 | * cannot distinguish between failure and a local broadcast address. |
77 | */ |
78 | static int |
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79 | my_inet_aton(register const char *cp, struct in_addr *addr) |
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80 | { |
c5be433b |
81 | dTHX; |
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82 | register U32 val; |
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83 | register int base; |
84 | register char c; |
85 | int nparts; |
86 | const char *s; |
87 | unsigned int parts[4]; |
88 | register unsigned int *pp = parts; |
89 | |
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90 | if (!cp) |
91 | return 0; |
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92 | for (;;) { |
93 | /* |
94 | * Collect number up to ``.''. |
95 | * Values are specified as for C: |
96 | * 0x=hex, 0=octal, other=decimal. |
97 | */ |
98 | val = 0; base = 10; |
99 | if (*cp == '0') { |
100 | if (*++cp == 'x' || *cp == 'X') |
101 | base = 16, cp++; |
102 | else |
103 | base = 8; |
104 | } |
105 | while ((c = *cp) != '\0') { |
106 | if (isDIGIT(c)) { |
107 | val = (val * base) + (c - '0'); |
108 | cp++; |
109 | continue; |
110 | } |
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111 | if (base == 16 && (s=strchr(PL_hexdigit,c))) { |
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112 | val = (val << 4) + |
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113 | ((s - PL_hexdigit) & 15); |
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114 | cp++; |
115 | continue; |
116 | } |
117 | break; |
118 | } |
119 | if (*cp == '.') { |
120 | /* |
121 | * Internet format: |
122 | * a.b.c.d |
123 | * a.b.c (with c treated as 16-bits) |
124 | * a.b (with b treated as 24 bits) |
125 | */ |
126 | if (pp >= parts + 3 || val > 0xff) |
127 | return 0; |
128 | *pp++ = val, cp++; |
129 | } else |
130 | break; |
131 | } |
132 | /* |
133 | * Check for trailing characters. |
134 | */ |
135 | if (*cp && !isSPACE(*cp)) |
136 | return 0; |
137 | /* |
138 | * Concoct the address according to |
139 | * the number of parts specified. |
140 | */ |
141 | nparts = pp - parts + 1; /* force to an int for switch() */ |
142 | switch (nparts) { |
143 | |
144 | case 1: /* a -- 32 bits */ |
145 | break; |
146 | |
147 | case 2: /* a.b -- 8.24 bits */ |
148 | if (val > 0xffffff) |
149 | return 0; |
150 | val |= parts[0] << 24; |
151 | break; |
152 | |
153 | case 3: /* a.b.c -- 8.8.16 bits */ |
154 | if (val > 0xffff) |
155 | return 0; |
156 | val |= (parts[0] << 24) | (parts[1] << 16); |
157 | break; |
158 | |
159 | case 4: /* a.b.c.d -- 8.8.8.8 bits */ |
160 | if (val > 0xff) |
161 | return 0; |
162 | val |= (parts[0] << 24) | (parts[1] << 16) | (parts[2] << 8); |
163 | break; |
164 | } |
165 | addr->s_addr = htonl(val); |
166 | return 1; |
167 | } |
168 | |
169 | #undef inet_aton |
170 | #define inet_aton my_inet_aton |
171 | |
172 | #endif /* ! HAS_INET_ATON */ |
173 | |
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174 | |
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175 | static int |
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176 | not_here(char *s) |
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177 | { |
178 | croak("Socket::%s not implemented on this architecture", s); |
179 | return -1; |
180 | } |
181 | |
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182 | #include "constants.c" |
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183 | |
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184 | MODULE = Socket PACKAGE = Socket |
185 | |
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186 | INCLUDE: constants.xs |
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187 | |
188 | void |
189 | inet_aton(host) |
190 | char * host |
191 | CODE: |
192 | { |
193 | struct in_addr ip_address; |
194 | struct hostent * phe; |
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195 | int ok = inet_aton(host, &ip_address); |
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196 | |
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197 | if (!ok && (phe = gethostbyname(host))) { |
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198 | Copy( phe->h_addr, &ip_address, phe->h_length, char ); |
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199 | ok = 1; |
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200 | } |
201 | |
202 | ST(0) = sv_newmortal(); |
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203 | if (ok) { |
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204 | sv_setpvn( ST(0), (char *)&ip_address, sizeof ip_address ); |
205 | } |
206 | } |
207 | |
208 | void |
209 | inet_ntoa(ip_address_sv) |
210 | SV * ip_address_sv |
211 | CODE: |
212 | { |
213 | STRLEN addrlen; |
214 | struct in_addr addr; |
215 | char * addr_str; |
216 | char * ip_address = SvPV(ip_address_sv,addrlen); |
217 | if (addrlen != sizeof(addr)) { |
218 | croak("Bad arg length for %s, length is %d, should be %d", |
219 | "Socket::inet_ntoa", |
220 | addrlen, sizeof(addr)); |
221 | } |
222 | |
223 | Copy( ip_address, &addr, sizeof addr, char ); |
224 | addr_str = inet_ntoa(addr); |
225 | |
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226 | ST(0) = sv_2mortal(newSVpvn(addr_str, strlen(addr_str))); |
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227 | } |
228 | |
229 | void |
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230 | pack_sockaddr_un(pathname) |
231 | char * pathname |
232 | CODE: |
233 | { |
25f94b33 |
234 | #ifdef I_SYS_UN |
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235 | struct sockaddr_un sun_ad; /* fear using sun */ |
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236 | STRLEN len; |
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237 | |
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238 | Zero( &sun_ad, sizeof sun_ad, char ); |
239 | sun_ad.sun_family = AF_UNIX; |
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240 | len = strlen(pathname); |
241 | if (len > sizeof(sun_ad.sun_path)) |
242 | len = sizeof(sun_ad.sun_path); |
202975e6 |
243 | # ifdef OS2 /* Name should start with \socket\ and contain backslashes! */ |
244 | { |
245 | int off; |
246 | char *s, *e; |
247 | |
248 | if (pathname[0] != '/' && pathname[0] != '\\') |
249 | croak("Relative UNIX domain socket name '%s' unsupported", pathname); |
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250 | else if (len < 8 |
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251 | || pathname[7] != '/' && pathname[7] != '\\' |
252 | || !strnicmp(pathname + 1, "socket", 6)) |
253 | off = 7; |
254 | else |
255 | off = 0; /* Preserve names starting with \socket\ */ |
256 | Copy( "\\socket", sun_ad.sun_path, off, char); |
257 | Copy( pathname, sun_ad.sun_path + off, len, char ); |
258 | |
259 | s = sun_ad.sun_path + off - 1; |
260 | e = s + len + 1; |
261 | while (++s < e) |
262 | if (*s = '/') |
263 | *s = '\\'; |
264 | } |
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265 | # else /* !( defined OS2 ) */ |
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266 | Copy( pathname, sun_ad.sun_path, len, char ); |
202975e6 |
267 | # endif |
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268 | if (0) not_here("dummy"); |
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269 | ST(0) = sv_2mortal(newSVpvn((char *)&sun_ad, sizeof sun_ad)); |
25f94b33 |
270 | #else |
271 | ST(0) = (SV *) not_here("pack_sockaddr_un"); |
272 | #endif |
273 | |
4633a7c4 |
274 | } |
275 | |
276 | void |
277 | unpack_sockaddr_un(sun_sv) |
278 | SV * sun_sv |
f13e1b2f |
279 | CODE: |
4633a7c4 |
280 | { |
25f94b33 |
281 | #ifdef I_SYS_UN |
4633a7c4 |
282 | struct sockaddr_un addr; |
fcdb74fc |
283 | STRLEN sockaddrlen; |
284 | char * sun_ad = SvPV(sun_sv,sockaddrlen); |
285 | char * e; |
36902e12 |
286 | # ifndef __linux__ |
287 | /* On Linux sockaddrlen on sockets returned by accept, recvfrom, |
288 | getpeername and getsockname is not equal to sizeof(addr). */ |
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289 | if (sockaddrlen != sizeof(addr)) { |
290 | croak("Bad arg length for %s, length is %d, should be %d", |
291 | "Socket::unpack_sockaddr_un", |
292 | sockaddrlen, sizeof(addr)); |
293 | } |
36902e12 |
294 | # endif |
4633a7c4 |
295 | |
296 | Copy( sun_ad, &addr, sizeof addr, char ); |
297 | |
298 | if ( addr.sun_family != AF_UNIX ) { |
299 | croak("Bad address family for %s, got %d, should be %d", |
300 | "Socket::unpack_sockaddr_un", |
301 | addr.sun_family, |
302 | AF_UNIX); |
fcdb74fc |
303 | } |
304 | e = addr.sun_path; |
305 | while (*e && e < addr.sun_path + sizeof addr.sun_path) |
306 | ++e; |
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307 | ST(0) = sv_2mortal(newSVpvn(addr.sun_path, e - addr.sun_path)); |
25f94b33 |
308 | #else |
309 | ST(0) = (SV *) not_here("unpack_sockaddr_un"); |
310 | #endif |
4633a7c4 |
311 | } |
312 | |
313 | void |
314 | pack_sockaddr_in(port,ip_address) |
2c129a17 |
315 | unsigned short port |
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316 | char * ip_address |
317 | CODE: |
318 | { |
319 | struct sockaddr_in sin; |
320 | |
321 | Zero( &sin, sizeof sin, char ); |
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322 | sin.sin_family = AF_INET; |
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323 | sin.sin_port = htons(port); |
324 | Copy( ip_address, &sin.sin_addr, sizeof sin.sin_addr, char ); |
325 | |
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326 | ST(0) = sv_2mortal(newSVpvn((char *)&sin, sizeof sin)); |
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327 | } |
328 | |
329 | void |
330 | unpack_sockaddr_in(sin_sv) |
331 | SV * sin_sv |
332 | PPCODE: |
333 | { |
334 | STRLEN sockaddrlen; |
335 | struct sockaddr_in addr; |
2c129a17 |
336 | unsigned short port; |
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337 | struct in_addr ip_address; |
338 | char * sin = SvPV(sin_sv,sockaddrlen); |
339 | if (sockaddrlen != sizeof(addr)) { |
340 | croak("Bad arg length for %s, length is %d, should be %d", |
341 | "Socket::unpack_sockaddr_in", |
342 | sockaddrlen, sizeof(addr)); |
343 | } |
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344 | Copy( sin, &addr,sizeof addr, char ); |
4633a7c4 |
345 | if ( addr.sin_family != AF_INET ) { |
346 | croak("Bad address family for %s, got %d, should be %d", |
347 | "Socket::unpack_sockaddr_in", |
348 | addr.sin_family, |
349 | AF_INET); |
a062834f |
350 | } |
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351 | port = ntohs(addr.sin_port); |
352 | ip_address = addr.sin_addr; |
353 | |
924508f0 |
354 | EXTEND(SP, 2); |
2c129a17 |
355 | PUSHs(sv_2mortal(newSViv((IV) port))); |
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356 | PUSHs(sv_2mortal(newSVpvn((char *)&ip_address,sizeof ip_address))); |
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357 | } |