Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1 | /*********************************************************** |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 2 | Copyright 1991, 1992, 1993, 1994 by Stichting Mathematisch Centrum, |
Guido van Rossum | e537240 | 1993-03-16 12:15:04 +0000 | [diff] [blame] | 3 | Amsterdam, The Netherlands. |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 4 | |
| 5 | All Rights Reserved |
| 6 | |
| 7 | Permission to use, copy, modify, and distribute this software and its |
| 8 | documentation for any purpose and without fee is hereby granted, |
| 9 | provided that the above copyright notice appear in all copies and that |
| 10 | both that copyright notice and this permission notice appear in |
| 11 | supporting documentation, and that the names of Stichting Mathematisch |
| 12 | Centrum or CWI not be used in advertising or publicity pertaining to |
| 13 | distribution of the software without specific, written prior permission. |
| 14 | |
| 15 | STICHTING MATHEMATISCH CENTRUM DISCLAIMS ALL WARRANTIES WITH REGARD TO |
| 16 | THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND |
| 17 | FITNESS, IN NO EVENT SHALL STICHTING MATHEMATISCH CENTRUM BE LIABLE |
| 18 | FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
| 19 | WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN |
| 20 | ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT |
| 21 | OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. |
| 22 | |
| 23 | ******************************************************************/ |
| 24 | |
| 25 | /* Socket module */ |
| 26 | |
| 27 | /* |
| 28 | This module provides an interface to Berkeley socket IPC. |
| 29 | |
| 30 | Limitations: |
| 31 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 32 | - only AF_INET and AF_UNIX address families are supported |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 33 | - no asynchronous I/O (but you can use select() on sockets) |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 34 | - no read/write operations (use send/recv or makefile instead) |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 35 | - setsockopt() and getsockopt() only support integer options |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 36 | |
| 37 | Interface: |
| 38 | |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 39 | - socket.gethostname() --> host name (string) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 40 | - socket.gethostbyname(hostname) --> host IP address (string: 'dd.dd.dd.dd') |
Guido van Rossum | 4dd2a7e | 1991-07-01 18:51:33 +0000 | [diff] [blame] | 41 | - socket.getservbyname(servername, protocolname) --> port number |
| 42 | - socket.socket(family, type [, proto]) --> new socket object |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 43 | - family and type constants from <socket.h> are accessed as socket.AF_INET etc. |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 44 | - errors are reported as the exception socket.error |
| 45 | - an Internet socket address is a pair (hostname, port) |
| 46 | where hostname can be anything recognized by gethostbyname() |
| 47 | (including the dd.dd.dd.dd notation) and port is in host byte order |
| 48 | - where a hostname is returned, the dd.dd.dd.dd notation is used |
| 49 | - a UNIX domain socket is a string specifying the pathname |
| 50 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 51 | Socket methods: |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 52 | |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 53 | - s.accept() --> new socket object, sockaddr |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 54 | - s.setsockopt(level, optname, flag) --> None |
| 55 | - s.getsockopt(level, optname) --> flag |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 56 | - s.bind(sockaddr) --> None |
| 57 | - s.connect(sockaddr) --> None |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 58 | - s.getsockname() --> sockaddr |
| 59 | - s.getpeername() --> sockaddr |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 60 | - s.listen(n) --> None |
| 61 | - s.makefile(mode) --> file object |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 62 | - s.recv(nbytes [,flags]) --> string |
Guido van Rossum | 18c9a4f | 1993-05-25 12:16:29 +0000 | [diff] [blame] | 63 | - s.recvfrom(nbytes [,flags]) --> string, sockaddr |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 64 | - s.send(string [,flags]) --> nbytes |
| 65 | - s.sendto(string, [flags,] sockaddr) --> nbytes |
Guido van Rossum | e4485b0 | 1994-09-07 14:32:49 +0000 | [diff] [blame^] | 66 | - s.setblocking(1 | 0) --> None |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 67 | - s.shutdown(how) --> None |
| 68 | - s.close() --> None |
| 69 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 70 | */ |
| 71 | |
| 72 | #include "allobjects.h" |
| 73 | #include "modsupport.h" |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 74 | #include "ceval.h" |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 75 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 76 | #include <sys/types.h> |
| 77 | #include "mytime.h" |
Guido van Rossum | ed233a5 | 1992-06-23 09:07:03 +0000 | [diff] [blame] | 78 | |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 79 | #include <signal.h> |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 80 | #ifndef NT |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 81 | #include <netdb.h> |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 82 | #include <sys/socket.h> |
| 83 | #include <netinet/in.h> |
Guido van Rossum | e4485b0 | 1994-09-07 14:32:49 +0000 | [diff] [blame^] | 84 | #include <fcntl.h> |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 85 | #else |
| 86 | #include <winsock.h> |
| 87 | #endif |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 88 | #ifdef HAVE_SYS_UN_H |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 89 | #include <sys/un.h> |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 90 | #else |
| 91 | #undef AF_UNIX |
Guido van Rossum | 9575a44 | 1993-04-07 14:06:14 +0000 | [diff] [blame] | 92 | #endif |
| 93 | |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 94 | /* Here we have some hacks to choose between K&R or ANSI style function |
| 95 | definitions. For NT to build this as an extension module (ie, DLL) |
| 96 | it must be compiled by the C++ compiler, as it takes the address of |
| 97 | a static data item exported from the main Python DLL. |
| 98 | */ |
| 99 | #ifdef NT |
| 100 | /* seem to be a few differences in the API */ |
| 101 | #define close closesocket |
| 102 | #define NO_DUP /* I wont trust passing a socket to NT's RTL!! */ |
| 103 | #define FORCE_ANSI_FUNC_DEFS |
| 104 | #endif |
| 105 | |
| 106 | #ifdef FORCE_ANSI_FUNC_DEFS |
| 107 | #define BUILD_FUNC_DEF_1( fnname, arg1type, arg1name ) \ |
| 108 | fnname( arg1type arg1name ) |
| 109 | |
| 110 | #define BUILD_FUNC_DEF_2( fnname, arg1type, arg1name, arg2type, arg2name ) \ |
| 111 | fnname( arg1type arg1name, arg2type arg2name ) |
| 112 | |
| 113 | #define BUILD_FUNC_DEF_3( fnname, arg1type, arg1name, arg2type, arg2name , arg3type, arg3name ) \ |
| 114 | fnname( arg1type arg1name, arg2type arg2name, arg3type arg3name ) |
| 115 | |
| 116 | #define BUILD_FUNC_DEF_4( fnname, arg1type, arg1name, arg2type, arg2name , arg3type, arg3name, arg4type, arg4name ) \ |
| 117 | fnname( arg1type arg1name, arg2type arg2name, arg3type arg3name, arg4type arg4name ) |
| 118 | |
| 119 | #else /* !FORCE_ANSI_FN_DEFS */ |
| 120 | #define BUILD_FUNC_DEF_1( fnname, arg1type, arg1name ) \ |
| 121 | fnname( arg1name ) \ |
| 122 | arg1type arg1name; |
| 123 | |
| 124 | #define BUILD_FUNC_DEF_2( fnname, arg1type, arg1name, arg2type, arg2name ) \ |
| 125 | fnname( arg1name, arg2name ) \ |
| 126 | arg1type arg1name; \ |
| 127 | arg2type arg2name; |
| 128 | |
| 129 | #define BUILD_FUNC_DEF_3( fnname, arg1type, arg1name, arg2type, arg2name, arg3type, arg3name ) \ |
| 130 | fnname( arg1name, arg2name, arg3name ) \ |
| 131 | arg1type arg1name; \ |
| 132 | arg2type arg2name; \ |
| 133 | arg3type arg3name; |
| 134 | |
| 135 | #define BUILD_FUNC_DEF_4( fnname, arg1type, arg1name, arg2type, arg2name, arg3type, arg3name, arg4type, arg4name ) \ |
| 136 | fnname( arg1name, arg2name, arg3name, arg4name ) \ |
| 137 | arg1type arg1name; \ |
| 138 | arg2type arg2name; \ |
| 139 | arg3type arg3name; \ |
| 140 | arg4type arg4name; |
| 141 | |
| 142 | #endif /* !FORCE_ANSI_FN_DEFS */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 143 | |
| 144 | /* Global variable holding the exception type for errors detected |
| 145 | by this module (but not argument type or memory errors, etc.). */ |
| 146 | |
| 147 | static object *SocketError; |
| 148 | |
| 149 | |
| 150 | /* Convenience function to raise an error according to errno |
| 151 | and return a NULL pointer from a function. */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 152 | |
| 153 | static object * |
| 154 | socket_error() |
| 155 | { |
| 156 | return err_errno(SocketError); |
| 157 | } |
| 158 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 159 | |
| 160 | /* The object holding a socket. It holds some extra information, |
| 161 | like the address family, which is used to decode socket address |
| 162 | arguments properly. */ |
| 163 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 164 | typedef struct { |
| 165 | OB_HEAD |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 166 | int sock_fd; /* Socket file descriptor */ |
| 167 | int sock_family; /* Address family, e.g., AF_INET */ |
| 168 | int sock_type; /* Socket type, e.g., SOCK_STREAM */ |
| 169 | int sock_proto; /* Protocol type, usually 0 */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 170 | } sockobject; |
| 171 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 172 | |
| 173 | /* A forward reference to the Socktype type object. |
| 174 | The Socktype variable contains pointers to various functions, |
| 175 | some of which call newsocobject(), which uses Socktype, so |
Guido van Rossum | 54ba21b | 1991-09-10 14:57:12 +0000 | [diff] [blame] | 176 | there has to be a circular reference. */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 177 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 178 | staticforward typeobject Socktype; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 179 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 180 | |
| 181 | /* Create a new socket object. |
| 182 | This just creates the object and initializes it. |
| 183 | If the creation fails, return NULL and set an exception (implicit |
| 184 | in NEWOBJ()). */ |
| 185 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 186 | static sockobject * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 187 | BUILD_FUNC_DEF_4(newsockobject, int, fd, int, family, int, type, int, proto) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 188 | { |
| 189 | sockobject *s; |
| 190 | s = NEWOBJ(sockobject, &Socktype); |
| 191 | if (s != NULL) { |
| 192 | s->sock_fd = fd; |
| 193 | s->sock_family = family; |
| 194 | s->sock_type = type; |
| 195 | s->sock_proto = proto; |
| 196 | } |
| 197 | return s; |
| 198 | } |
| 199 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 200 | |
| 201 | /* Convert a string specifying a host name or one of a few symbolic |
| 202 | names to a numeric IP address. This usually calls gethostbyname() |
| 203 | to do the work; the names "" and "<broadcast>" are special. |
| 204 | Return the length (should always be 4 bytes), or negative if |
| 205 | an error occurred; then an exception is raised. */ |
| 206 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 207 | static int |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 208 | BUILD_FUNC_DEF_2(setipaddr, char*, name, struct sockaddr_in *, addr_ret) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 209 | { |
| 210 | struct hostent *hp; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 211 | int d1, d2, d3, d4; |
| 212 | char ch; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 213 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 214 | if (name[0] == '\0') { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 215 | addr_ret->sin_addr.s_addr = INADDR_ANY; |
| 216 | return 4; |
| 217 | } |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 218 | if (name[0] == '<' && strcmp(name, "<broadcast>") == 0) { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 219 | addr_ret->sin_addr.s_addr = INADDR_BROADCAST; |
| 220 | return 4; |
| 221 | } |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 222 | if (sscanf(name, "%d.%d.%d.%d%c", &d1, &d2, &d3, &d4, &ch) == 4 && |
| 223 | 0 <= d1 && d1 <= 255 && 0 <= d2 && d2 <= 255 && |
| 224 | 0 <= d3 && d3 <= 255 && 0 <= d4 && d4 <= 255) { |
| 225 | addr_ret->sin_addr.s_addr = htonl( |
| 226 | ((long) d1 << 24) | ((long) d2 << 16) | |
| 227 | ((long) d3 << 8) | ((long) d4 << 0)); |
| 228 | return 4; |
| 229 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 230 | BGN_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 231 | hp = gethostbyname(name); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 232 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 233 | if (hp == NULL) { |
| 234 | err_setstr(SocketError, "host not found"); |
| 235 | return -1; |
| 236 | } |
| 237 | memcpy((char *) &addr_ret->sin_addr, hp->h_addr, hp->h_length); |
| 238 | return hp->h_length; |
| 239 | } |
| 240 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 241 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 242 | /* Create a string object representing an IP address. |
| 243 | This is always a string of the form 'dd.dd.dd.dd' (with variable |
| 244 | size numbers). */ |
| 245 | |
| 246 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 247 | BUILD_FUNC_DEF_1(makeipaddr, struct sockaddr_in *,addr) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 248 | { |
| 249 | long x = ntohl(addr->sin_addr.s_addr); |
| 250 | char buf[100]; |
| 251 | sprintf(buf, "%d.%d.%d.%d", |
| 252 | (int) (x>>24) & 0xff, (int) (x>>16) & 0xff, |
| 253 | (int) (x>> 8) & 0xff, (int) (x>> 0) & 0xff); |
| 254 | return newstringobject(buf); |
| 255 | } |
| 256 | |
| 257 | |
| 258 | /* Create an object representing the given socket address, |
| 259 | suitable for passing it back to bind(), connect() etc. |
| 260 | The family field of the sockaddr structure is inspected |
| 261 | to determine what kind of address it really is. */ |
| 262 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 263 | /*ARGSUSED*/ |
| 264 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 265 | BUILD_FUNC_DEF_2(makesockaddr,struct sockaddr *, addr, int, addrlen) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 266 | { |
Guido van Rossum | 25bec8c | 1992-08-05 19:00:45 +0000 | [diff] [blame] | 267 | if (addrlen == 0) { |
| 268 | /* No address -- may be recvfrom() from known socket */ |
| 269 | INCREF(None); |
| 270 | return None; |
| 271 | } |
| 272 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 273 | switch (addr->sa_family) { |
| 274 | |
| 275 | case AF_INET: |
| 276 | { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 277 | struct sockaddr_in *a = (struct sockaddr_in *) addr; |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 278 | object *addr = makeipaddr(a); |
| 279 | object *ret = mkvalue("Oi", addr, ntohs(a->sin_port)); |
| 280 | XDECREF(addr); |
| 281 | return ret; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 282 | } |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 283 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 284 | #ifdef AF_UNIX |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 285 | case AF_UNIX: |
| 286 | { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 287 | struct sockaddr_un *a = (struct sockaddr_un *) addr; |
| 288 | return newstringobject(a->sun_path); |
| 289 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 290 | #endif /* AF_UNIX */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 291 | |
| 292 | /* More cases here... */ |
| 293 | |
| 294 | default: |
| 295 | err_setstr(SocketError, "return unknown socket address type"); |
| 296 | return NULL; |
Guido van Rossum | 25bec8c | 1992-08-05 19:00:45 +0000 | [diff] [blame] | 297 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 298 | } |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 299 | } |
| 300 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 301 | |
| 302 | /* Parse a socket address argument according to the socket object's |
| 303 | address family. Return 1 if the address was in the proper format, |
| 304 | 0 of not. The address is returned through addr_ret, its length |
| 305 | through len_ret. */ |
| 306 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 307 | static int |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 308 | BUILD_FUNC_DEF_4( |
| 309 | getsockaddrarg,sockobject *,s, object *,args, struct sockaddr **,addr_ret, int *,len_ret) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 310 | { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 311 | switch (s->sock_family) { |
| 312 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 313 | #ifdef AF_UNIX |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 314 | case AF_UNIX: |
| 315 | { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 316 | static struct sockaddr_un addr; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 317 | char *path; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 318 | int len; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 319 | if (!getargs(args, "s#", &path, &len)) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 320 | return 0; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 321 | if (len > sizeof addr.sun_path) { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 322 | err_setstr(SocketError, "AF_UNIX path too long"); |
| 323 | return 0; |
| 324 | } |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 325 | addr.sun_family = AF_UNIX; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 326 | memcpy(addr.sun_path, path, len); |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 327 | *addr_ret = (struct sockaddr *) &addr; |
| 328 | *len_ret = len + sizeof addr.sun_family; |
| 329 | return 1; |
| 330 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 331 | #endif /* AF_UNIX */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 332 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 333 | case AF_INET: |
| 334 | { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 335 | static struct sockaddr_in addr; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 336 | char *host; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 337 | int port; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 338 | if (!getargs(args, "(si)", &host, &port)) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 339 | return 0; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 340 | if (setipaddr(host, &addr) < 0) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 341 | return 0; |
| 342 | addr.sin_family = AF_INET; |
| 343 | addr.sin_port = htons(port); |
| 344 | *addr_ret = (struct sockaddr *) &addr; |
| 345 | *len_ret = sizeof addr; |
| 346 | return 1; |
| 347 | } |
| 348 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 349 | /* More cases here... */ |
| 350 | |
| 351 | default: |
| 352 | err_setstr(SocketError, "getsockaddrarg: bad family"); |
| 353 | return 0; |
| 354 | |
| 355 | } |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 356 | } |
| 357 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 358 | |
Guido van Rossum | 710e1df | 1992-06-12 10:39:36 +0000 | [diff] [blame] | 359 | /* Get the address length according to the socket object's address family. |
| 360 | Return 1 if the family is known, 0 otherwise. The length is returned |
| 361 | through len_ret. */ |
| 362 | |
| 363 | static int |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 364 | BUILD_FUNC_DEF_2(getsockaddrlen,sockobject *,s, int *,len_ret) |
Guido van Rossum | 710e1df | 1992-06-12 10:39:36 +0000 | [diff] [blame] | 365 | { |
| 366 | switch (s->sock_family) { |
| 367 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 368 | #ifdef AF_UNIX |
Guido van Rossum | 710e1df | 1992-06-12 10:39:36 +0000 | [diff] [blame] | 369 | case AF_UNIX: |
| 370 | { |
| 371 | *len_ret = sizeof (struct sockaddr_un); |
| 372 | return 1; |
| 373 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 374 | #endif /* AF_UNIX */ |
Guido van Rossum | 710e1df | 1992-06-12 10:39:36 +0000 | [diff] [blame] | 375 | |
| 376 | case AF_INET: |
| 377 | { |
| 378 | *len_ret = sizeof (struct sockaddr_in); |
| 379 | return 1; |
| 380 | } |
| 381 | |
| 382 | /* More cases here... */ |
| 383 | |
| 384 | default: |
| 385 | err_setstr(SocketError, "getsockaddrarg: bad family"); |
| 386 | return 0; |
| 387 | |
| 388 | } |
| 389 | } |
| 390 | |
| 391 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 392 | /* s.accept() method */ |
| 393 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 394 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 395 | BUILD_FUNC_DEF_2(sock_accept,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 396 | { |
| 397 | char addrbuf[256]; |
| 398 | int addrlen, newfd; |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 399 | object *sock, *addr, *res; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 400 | if (!getnoarg(args)) |
| 401 | return NULL; |
Guido van Rossum | 710e1df | 1992-06-12 10:39:36 +0000 | [diff] [blame] | 402 | if (!getsockaddrlen(s, &addrlen)) |
| 403 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 404 | BGN_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 405 | newfd = accept(s->sock_fd, (struct sockaddr *) addrbuf, &addrlen); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 406 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 407 | if (newfd < 0) |
| 408 | return socket_error(); |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 409 | /* Create the new object with unspecified family, |
| 410 | to avoid calls to bind() etc. on it. */ |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 411 | sock = (object *) newsockobject(newfd, |
| 412 | s->sock_family, |
| 413 | s->sock_type, |
| 414 | s->sock_proto); |
| 415 | if (sock == NULL) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 416 | close(newfd); |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 417 | addr = makesockaddr((struct sockaddr *) addrbuf, addrlen); |
| 418 | res = mkvalue("OO", sock, addr); |
| 419 | XDECREF(sock); |
| 420 | XDECREF(addr); |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 421 | return res; |
| 422 | } |
| 423 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 424 | |
Guido van Rossum | c65a525 | 1994-08-05 13:44:50 +0000 | [diff] [blame] | 425 | #if 0 |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 426 | /* s.allowbroadcast() method */ |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 427 | /* XXX obsolete -- will disappear in next release */ |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 428 | |
| 429 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 430 | BUILD_FUNC_DEF_2(sock_allowbroadcast,sockobject *,s, object *,args) |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 431 | { |
| 432 | int flag; |
| 433 | int res; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 434 | if (!getargs(args, "i", &flag)) |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 435 | return NULL; |
| 436 | res = setsockopt(s->sock_fd, SOL_SOCKET, SO_BROADCAST, |
Guido van Rossum | b376a4a | 1993-11-23 17:53:17 +0000 | [diff] [blame] | 437 | (ANY *)&flag, sizeof flag); |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 438 | if (res < 0) |
| 439 | return socket_error(); |
| 440 | INCREF(None); |
| 441 | return None; |
| 442 | } |
Guido van Rossum | c65a525 | 1994-08-05 13:44:50 +0000 | [diff] [blame] | 443 | #endif |
Guido van Rossum | e0e5edc | 1991-10-20 20:22:28 +0000 | [diff] [blame] | 444 | |
| 445 | |
Guido van Rossum | e4485b0 | 1994-09-07 14:32:49 +0000 | [diff] [blame^] | 446 | #ifndef NT |
| 447 | |
| 448 | /* s.setblocking(1 | 0) method */ |
| 449 | |
| 450 | static object * |
| 451 | sock_setblocking(s, args) |
| 452 | sockobject *s; |
| 453 | object *args; |
| 454 | { |
| 455 | int block; |
| 456 | int delay_flag; |
| 457 | if (!getintarg(args, &block)) |
| 458 | return NULL; |
| 459 | BGN_SAVE |
| 460 | delay_flag = fcntl (s->sock_fd, F_GETFL, 0); |
| 461 | if (block) |
| 462 | delay_flag &= (~O_NDELAY); |
| 463 | else |
| 464 | delay_flag |= O_NDELAY; |
| 465 | fcntl (s->sock_fd, F_SETFL, delay_flag); |
| 466 | END_SAVE |
| 467 | |
| 468 | INCREF(None); |
| 469 | return None; |
| 470 | } |
| 471 | #endif |
| 472 | |
| 473 | |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 474 | /* s.setsockopt() method. |
| 475 | With an integer third argument, sets an integer option. |
| 476 | With a string third argument, sets an option from a buffer; |
| 477 | use optional built-in module 'struct' to encode the string. */ |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 478 | |
| 479 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 480 | BUILD_FUNC_DEF_2(sock_setsockopt,sockobject *,s, object *,args) |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 481 | { |
| 482 | int level; |
| 483 | int optname; |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 484 | int res; |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 485 | char *buf; |
| 486 | int buflen; |
| 487 | int flag; |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 488 | |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 489 | if (getargs(args, "(iii)", &level, &optname, &flag)) { |
| 490 | buf = (char *) &flag; |
| 491 | buflen = sizeof flag; |
| 492 | } |
| 493 | else { |
| 494 | err_clear(); |
| 495 | if (!getargs(args, "(iis#)", &level, &optname, &buf, &buflen)) |
| 496 | return NULL; |
| 497 | } |
Guido van Rossum | b376a4a | 1993-11-23 17:53:17 +0000 | [diff] [blame] | 498 | res = setsockopt(s->sock_fd, level, optname, (ANY *)buf, buflen); |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 499 | if (res < 0) |
| 500 | return socket_error(); |
| 501 | INCREF(None); |
| 502 | return None; |
| 503 | } |
| 504 | |
| 505 | |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 506 | /* s.getsockopt() method. |
| 507 | With two arguments, retrieves an integer option. |
| 508 | With a third integer argument, retrieves a string buffer of that size; |
| 509 | use optional built-in module 'struct' to decode the string. */ |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 510 | |
| 511 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 512 | BUILD_FUNC_DEF_2(sock_getsockopt,sockobject *,s, object *,args) |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 513 | { |
| 514 | int level; |
| 515 | int optname; |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 516 | int res; |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 517 | object *buf; |
| 518 | int buflen; |
| 519 | int flag; |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 520 | |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 521 | if (getargs(args, "(ii)", &level, &optname)) { |
| 522 | int flag = 0; |
| 523 | int flagsize = sizeof flag; |
Guido van Rossum | b376a4a | 1993-11-23 17:53:17 +0000 | [diff] [blame] | 524 | res = getsockopt(s->sock_fd, level, optname, |
| 525 | (ANY *)&flag, &flagsize); |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 526 | if (res < 0) |
| 527 | return socket_error(); |
| 528 | return newintobject(flag); |
| 529 | } |
| 530 | err_clear(); |
| 531 | if (!getargs(args, "(iii)", &level, &optname, &buflen)) |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 532 | return NULL; |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 533 | if (buflen <= 0 || buflen > 1024) { |
| 534 | err_setstr(SocketError, "getsockopt buflen out of range"); |
| 535 | return NULL; |
| 536 | } |
| 537 | buf = newsizedstringobject((char *)NULL, buflen); |
| 538 | if (buf == NULL) |
| 539 | return NULL; |
Guido van Rossum | b376a4a | 1993-11-23 17:53:17 +0000 | [diff] [blame] | 540 | res = getsockopt(s->sock_fd, level, optname, |
| 541 | (ANY *)getstringvalue(buf), &buflen); |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 542 | if (res < 0) { |
| 543 | DECREF(buf); |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 544 | return socket_error(); |
Guido van Rossum | aee0879 | 1992-09-08 09:05:33 +0000 | [diff] [blame] | 545 | } |
| 546 | resizestring(&buf, buflen); |
| 547 | return buf; |
Guido van Rossum | 0e69587d | 1992-06-05 15:11:30 +0000 | [diff] [blame] | 548 | } |
| 549 | |
| 550 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 551 | /* s.bind(sockaddr) method */ |
| 552 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 553 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 554 | BUILD_FUNC_DEF_2(sock_bind,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 555 | { |
| 556 | struct sockaddr *addr; |
| 557 | int addrlen; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 558 | int res; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 559 | if (!getsockaddrarg(s, args, &addr, &addrlen)) |
| 560 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 561 | BGN_SAVE |
| 562 | res = bind(s->sock_fd, addr, addrlen); |
| 563 | END_SAVE |
| 564 | if (res < 0) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 565 | return socket_error(); |
| 566 | INCREF(None); |
| 567 | return None; |
| 568 | } |
| 569 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 570 | |
| 571 | /* s.close() method. |
| 572 | Set the file descriptor to -1 so operations tried subsequently |
| 573 | will surely fail. */ |
| 574 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 575 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 576 | BUILD_FUNC_DEF_2(sock_close,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 577 | { |
| 578 | if (!getnoarg(args)) |
| 579 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 580 | BGN_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 581 | (void) close(s->sock_fd); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 582 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 583 | s->sock_fd = -1; |
| 584 | INCREF(None); |
| 585 | return None; |
| 586 | } |
| 587 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 588 | |
| 589 | /* s.connect(sockaddr) method */ |
| 590 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 591 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 592 | BUILD_FUNC_DEF_2(sock_connect,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 593 | { |
| 594 | struct sockaddr *addr; |
| 595 | int addrlen; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 596 | int res; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 597 | if (!getsockaddrarg(s, args, &addr, &addrlen)) |
| 598 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 599 | BGN_SAVE |
| 600 | res = connect(s->sock_fd, addr, addrlen); |
| 601 | END_SAVE |
| 602 | if (res < 0) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 603 | return socket_error(); |
| 604 | INCREF(None); |
| 605 | return None; |
| 606 | } |
| 607 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 608 | |
Guido van Rossum | ed233a5 | 1992-06-23 09:07:03 +0000 | [diff] [blame] | 609 | /* s.fileno() method */ |
| 610 | |
| 611 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 612 | BUILD_FUNC_DEF_2(sock_fileno,sockobject *,s, object *,args) |
Guido van Rossum | ed233a5 | 1992-06-23 09:07:03 +0000 | [diff] [blame] | 613 | { |
| 614 | if (!getnoarg(args)) |
| 615 | return NULL; |
| 616 | return newintobject((long) s->sock_fd); |
| 617 | } |
| 618 | |
| 619 | |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 620 | /* s.getsockname() method */ |
| 621 | |
| 622 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 623 | BUILD_FUNC_DEF_2(sock_getsockname,sockobject *,s, object *,args) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 624 | { |
| 625 | char addrbuf[256]; |
| 626 | int addrlen, res; |
| 627 | if (!getnoarg(args)) |
| 628 | return NULL; |
| 629 | if (!getsockaddrlen(s, &addrlen)) |
| 630 | return NULL; |
| 631 | BGN_SAVE |
| 632 | res = getsockname(s->sock_fd, (struct sockaddr *) addrbuf, &addrlen); |
| 633 | END_SAVE |
| 634 | if (res < 0) |
| 635 | return socket_error(); |
| 636 | return makesockaddr((struct sockaddr *) addrbuf, addrlen); |
| 637 | } |
| 638 | |
| 639 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 640 | #ifdef HAVE_GETPEERNAME /* Cray APP doesn't have this :-( */ |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 641 | /* s.getpeername() method */ |
| 642 | |
| 643 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 644 | BUILD_FUNC_DEF_2(sock_getpeername,sockobject *,s, object *,args) |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 645 | { |
| 646 | char addrbuf[256]; |
| 647 | int addrlen, res; |
| 648 | if (!getnoarg(args)) |
| 649 | return NULL; |
| 650 | if (!getsockaddrlen(s, &addrlen)) |
| 651 | return NULL; |
| 652 | BGN_SAVE |
| 653 | res = getpeername(s->sock_fd, (struct sockaddr *) addrbuf, &addrlen); |
| 654 | END_SAVE |
| 655 | if (res < 0) |
| 656 | return socket_error(); |
| 657 | return makesockaddr((struct sockaddr *) addrbuf, addrlen); |
| 658 | } |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 659 | #endif /* HAVE_GETPEERNAME */ |
Guido van Rossum | c89705d | 1992-11-26 08:54:07 +0000 | [diff] [blame] | 660 | |
| 661 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 662 | /* s.listen(n) method */ |
| 663 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 664 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 665 | BUILD_FUNC_DEF_2(sock_listen,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 666 | { |
| 667 | int backlog; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 668 | int res; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 669 | if (!getintarg(args, &backlog)) |
| 670 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 671 | BGN_SAVE |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 672 | if (backlog < 1) |
| 673 | backlog = 1; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 674 | res = listen(s->sock_fd, backlog); |
| 675 | END_SAVE |
| 676 | if (res < 0) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 677 | return socket_error(); |
| 678 | INCREF(None); |
| 679 | return None; |
| 680 | } |
| 681 | |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 682 | #ifndef NO_DUP |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 683 | /* s.makefile(mode) method. |
| 684 | Create a new open file object referring to a dupped version of |
| 685 | the socket's file descriptor. (The dup() call is necessary so |
| 686 | that the open file and socket objects may be closed independent |
| 687 | of each other.) |
| 688 | The mode argument specifies 'r' or 'w' passed to fdopen(). */ |
| 689 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 690 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 691 | BUILD_FUNC_DEF_2(sock_makefile,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 692 | { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 693 | extern int fclose PROTO((FILE *)); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 694 | char *mode; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 695 | int fd; |
| 696 | FILE *fp; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 697 | if (!getargs(args, "s", &mode)) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 698 | return NULL; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 699 | if ((fd = dup(s->sock_fd)) < 0 || |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 700 | (fp = fdopen(fd, mode)) == NULL) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 701 | return socket_error(); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 702 | return newopenfileobject(fp, "<socket>", mode, fclose); |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 703 | } |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 704 | #endif /* NO_DUP */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 705 | |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 706 | /* s.recv(nbytes [,flags]) method */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 707 | |
| 708 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 709 | BUILD_FUNC_DEF_2(sock_recv,sockobject *,s, object *,args) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 710 | { |
| 711 | int len, n, flags; |
| 712 | object *buf; |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 713 | flags = 0; |
| 714 | if (!getargs(args, "i", &len)) { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 715 | err_clear(); |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 716 | if (!getargs(args, "(ii)", &len, &flags)) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 717 | return NULL; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 718 | } |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 719 | buf = newsizedstringobject((char *) 0, len); |
| 720 | if (buf == NULL) |
| 721 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 722 | BGN_SAVE |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 723 | n = recv(s->sock_fd, getstringvalue(buf), len, flags); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 724 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 725 | if (n < 0) |
| 726 | return socket_error(); |
| 727 | if (resizestring(&buf, n) < 0) |
| 728 | return NULL; |
| 729 | return buf; |
| 730 | } |
| 731 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 732 | |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 733 | /* s.recvfrom(nbytes [,flags]) method */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 734 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 735 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 736 | BUILD_FUNC_DEF_2(sock_recvfrom,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 737 | { |
| 738 | char addrbuf[256]; |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 739 | object *buf, *addr, *ret; |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 740 | int addrlen, len, n, flags; |
| 741 | flags = 0; |
| 742 | if (!getargs(args, "i", &len)) { |
| 743 | err_clear(); |
| 744 | if (!getargs(args, "(ii)", &len, &flags)) |
| 745 | return NULL; |
| 746 | } |
Guido van Rossum | 18c9a4f | 1993-05-25 12:16:29 +0000 | [diff] [blame] | 747 | if (!getsockaddrlen(s, &addrlen)) |
| 748 | return NULL; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 749 | buf = newsizedstringobject((char *) 0, len); |
Guido van Rossum | 18c9a4f | 1993-05-25 12:16:29 +0000 | [diff] [blame] | 750 | if (buf == NULL) |
| 751 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 752 | BGN_SAVE |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 753 | n = recvfrom(s->sock_fd, getstringvalue(buf), len, flags, |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 754 | #ifndef NT |
Guido van Rossum | b376a4a | 1993-11-23 17:53:17 +0000 | [diff] [blame] | 755 | (ANY *)addrbuf, &addrlen); |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 756 | #else |
| 757 | (struct sockaddr *)addrbuf, &addrlen); |
| 758 | #endif |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 759 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 760 | if (n < 0) |
| 761 | return socket_error(); |
| 762 | if (resizestring(&buf, n) < 0) |
| 763 | return NULL; |
Guido van Rossum | 6f5afc9 | 1993-02-05 09:46:15 +0000 | [diff] [blame] | 764 | addr = makesockaddr((struct sockaddr *)addrbuf, addrlen); |
| 765 | ret = mkvalue("OO", buf, addr); |
| 766 | XDECREF(addr); |
| 767 | XDECREF(buf); |
| 768 | return ret; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 769 | } |
| 770 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 771 | |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 772 | /* s.send(data [,flags]) method */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 773 | |
| 774 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 775 | BUILD_FUNC_DEF_2(sock_send,sockobject *,s, object *,args) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 776 | { |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 777 | char *buf; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 778 | int len, n, flags; |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 779 | flags = 0; |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 780 | if (!getargs(args, "s#", &buf, &len)) { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 781 | err_clear(); |
Guido van Rossum | 234f942 | 1993-06-17 12:35:49 +0000 | [diff] [blame] | 782 | if (!getargs(args, "(s#i)", &buf, &len, &flags)) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 783 | return NULL; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 784 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 785 | BGN_SAVE |
| 786 | n = send(s->sock_fd, buf, len, flags); |
| 787 | END_SAVE |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 788 | if (n < 0) |
| 789 | return socket_error(); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 790 | return newintobject((long)n); |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 791 | } |
| 792 | |
| 793 | |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 794 | /* s.sendto(data, [flags,] sockaddr) method */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 795 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 796 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 797 | BUILD_FUNC_DEF_2(sock_sendto,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 798 | { |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 799 | object *addro; |
| 800 | char *buf; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 801 | struct sockaddr *addr; |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 802 | int addrlen, len, n, flags; |
| 803 | flags = 0; |
| 804 | if (!getargs(args, "(s#O)", &buf, &len, &addro)) { |
| 805 | err_clear(); |
| 806 | if (!getargs(args, "(s#iO)", &buf, &len, &flags, &addro)) |
| 807 | return NULL; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 808 | } |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 809 | if (!getsockaddrarg(s, addro, &addr, &addrlen)) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 810 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 811 | BGN_SAVE |
Guido van Rossum | eb6b33a | 1993-05-25 09:38:27 +0000 | [diff] [blame] | 812 | n = sendto(s->sock_fd, buf, len, flags, addr, addrlen); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 813 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 814 | if (n < 0) |
| 815 | return socket_error(); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 816 | return newintobject((long)n); |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 817 | } |
| 818 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 819 | |
| 820 | /* s.shutdown(how) method */ |
| 821 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 822 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 823 | BUILD_FUNC_DEF_2(sock_shutdown,sockobject *,s, object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 824 | { |
| 825 | int how; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 826 | int res; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 827 | if (!getintarg(args, &how)) |
| 828 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 829 | BGN_SAVE |
| 830 | res = shutdown(s->sock_fd, how); |
| 831 | END_SAVE |
| 832 | if (res < 0) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 833 | return socket_error(); |
| 834 | INCREF(None); |
| 835 | return None; |
| 836 | } |
| 837 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 838 | |
| 839 | /* List of methods for socket objects */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 840 | |
| 841 | static struct methodlist sock_methods[] = { |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 842 | {"accept", (method)sock_accept}, |
Guido van Rossum | c65a525 | 1994-08-05 13:44:50 +0000 | [diff] [blame] | 843 | #if 0 |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 844 | {"allowbroadcast", (method)sock_allowbroadcast}, |
Guido van Rossum | c65a525 | 1994-08-05 13:44:50 +0000 | [diff] [blame] | 845 | #endif |
Guido van Rossum | e4485b0 | 1994-09-07 14:32:49 +0000 | [diff] [blame^] | 846 | #ifndef NT |
| 847 | {"setblocking", (method)sock_setblocking}, |
| 848 | #endif |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 849 | {"setsockopt", (method)sock_setsockopt}, |
| 850 | {"getsockopt", (method)sock_getsockopt}, |
| 851 | {"bind", (method)sock_bind}, |
| 852 | {"close", (method)sock_close}, |
| 853 | {"connect", (method)sock_connect}, |
| 854 | {"fileno", (method)sock_fileno}, |
| 855 | {"getsockname", (method)sock_getsockname}, |
| 856 | #ifdef HAVE_GETPEERNAME |
| 857 | {"getpeername", (method)sock_getpeername}, |
Guido van Rossum | 9575a44 | 1993-04-07 14:06:14 +0000 | [diff] [blame] | 858 | #endif |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 859 | {"listen", (method)sock_listen}, |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 860 | #ifndef NO_DUP |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 861 | {"makefile", (method)sock_makefile}, |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 862 | #endif |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 863 | {"recv", (method)sock_recv}, |
| 864 | {"recvfrom", (method)sock_recvfrom}, |
| 865 | {"send", (method)sock_send}, |
| 866 | {"sendto", (method)sock_sendto}, |
| 867 | {"shutdown", (method)sock_shutdown}, |
| 868 | {NULL, NULL} /* sentinel */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 869 | }; |
| 870 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 871 | |
| 872 | /* Deallocate a socket object in response to the last DECREF(). |
| 873 | First close the file description. */ |
| 874 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 875 | static void |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 876 | BUILD_FUNC_DEF_1(sock_dealloc, sockobject *,s) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 877 | { |
| 878 | (void) close(s->sock_fd); |
| 879 | DEL(s); |
| 880 | } |
| 881 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 882 | |
| 883 | /* Return a socket object's named attribute. */ |
| 884 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 885 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 886 | BUILD_FUNC_DEF_2(sock_getattr,sockobject *,s, char *,name) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 887 | { |
| 888 | return findmethod(sock_methods, (object *) s, name); |
| 889 | } |
| 890 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 891 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 892 | /* Type object for socket objects. */ |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 893 | |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 894 | static typeobject Socktype = { |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 895 | OB_HEAD_INIT(&Typetype) |
| 896 | 0, |
| 897 | "socket", |
| 898 | sizeof(sockobject), |
| 899 | 0, |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 900 | (destructor)sock_dealloc, /*tp_dealloc*/ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 901 | 0, /*tp_print*/ |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 902 | (getattrfunc)sock_getattr, /*tp_getattr*/ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 903 | 0, /*tp_setattr*/ |
| 904 | 0, /*tp_compare*/ |
| 905 | 0, /*tp_repr*/ |
| 906 | 0, /*tp_as_number*/ |
| 907 | 0, /*tp_as_sequence*/ |
| 908 | 0, /*tp_as_mapping*/ |
| 909 | }; |
| 910 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 911 | |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 912 | /* Python interface to gethostname(). */ |
| 913 | |
| 914 | /*ARGSUSED*/ |
| 915 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 916 | BUILD_FUNC_DEF_2(socket_gethostname,object *,self, object *,args) |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 917 | { |
| 918 | char buf[1024]; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 919 | int res; |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 920 | if (!getnoarg(args)) |
| 921 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 922 | BGN_SAVE |
| 923 | res = gethostname(buf, (int) sizeof buf - 1); |
| 924 | END_SAVE |
| 925 | if (res < 0) |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 926 | return socket_error(); |
| 927 | buf[sizeof buf - 1] = '\0'; |
| 928 | return newstringobject(buf); |
| 929 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 930 | |
| 931 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 932 | /* Python interface to gethostbyname(name). */ |
| 933 | |
| 934 | /*ARGSUSED*/ |
| 935 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 936 | BUILD_FUNC_DEF_2(socket_gethostbyname,object *,self, object *,args) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 937 | { |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 938 | char *name; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 939 | struct sockaddr_in addrbuf; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 940 | if (!getargs(args, "s", &name)) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 941 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 942 | if (setipaddr(name, &addrbuf) < 0) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 943 | return NULL; |
| 944 | return makeipaddr(&addrbuf); |
| 945 | } |
| 946 | |
| 947 | |
| 948 | /* Python interface to getservbyname(name). |
| 949 | This only returns the port number, since the other info is already |
| 950 | known or not useful (like the list of aliases). */ |
| 951 | |
| 952 | /*ARGSUSED*/ |
| 953 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 954 | BUILD_FUNC_DEF_2(socket_getservbyname,object *,self, object *,args) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 955 | { |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 956 | char *name, *proto; |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 957 | struct servent *sp; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 958 | if (!getargs(args, "(ss)", &name, &proto)) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 959 | return NULL; |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 960 | BGN_SAVE |
| 961 | sp = getservbyname(name, proto); |
| 962 | END_SAVE |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 963 | if (sp == NULL) { |
| 964 | err_setstr(SocketError, "service/proto not found"); |
| 965 | return NULL; |
| 966 | } |
| 967 | return newintobject((long) ntohs(sp->s_port)); |
| 968 | } |
| 969 | |
| 970 | |
| 971 | /* Python interface to socket(family, type, proto). |
| 972 | The third (protocol) argument is optional. |
| 973 | Return a new socket object. */ |
| 974 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 975 | /*ARGSUSED*/ |
| 976 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 977 | BUILD_FUNC_DEF_2(socket_socket,object *,self,object *,args) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 978 | { |
| 979 | sockobject *s; |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 980 | int fd, family, type, proto; |
| 981 | proto = 0; |
| 982 | if (!getargs(args, "(ii)", &family, &type)) { |
| 983 | err_clear(); |
| 984 | if (!getargs(args, "(iii)", &family, &type, &proto)) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 985 | return NULL; |
| 986 | } |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 987 | BGN_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 988 | fd = socket(family, type, proto); |
Guido van Rossum | ff4949e | 1992-08-05 19:58:53 +0000 | [diff] [blame] | 989 | END_SAVE |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 990 | if (fd < 0) |
| 991 | return socket_error(); |
| 992 | s = newsockobject(fd, family, type, proto); |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 993 | /* If the object can't be created, don't forget to close the |
| 994 | file descriptor again! */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 995 | if (s == NULL) |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 996 | (void) close(fd); |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 997 | /* From now on, ignore SIGPIPE and let the error checking |
| 998 | do the work. */ |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 999 | #ifdef SIGPIPE |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 1000 | (void) signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1001 | #endif |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1002 | return (object *) s; |
| 1003 | } |
| 1004 | |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1005 | #ifndef NO_DUP |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1006 | /* Create a socket object from a numeric file description. |
| 1007 | Useful e.g. if stdin is a socket. |
| 1008 | Additional arguments as for socket(). */ |
| 1009 | |
| 1010 | /*ARGSUSED*/ |
| 1011 | static object * |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1012 | BUILD_FUNC_DEF_2(socket_fromfd,object *,self,object *,args) |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1013 | { |
| 1014 | sockobject *s; |
| 1015 | int fd, family, type, proto; |
| 1016 | proto = 0; |
| 1017 | if (!getargs(args, "(iii)", &fd, &family, &type)) { |
| 1018 | err_clear(); |
| 1019 | if (!getargs(args, "(iiii)", &fd, &family, &type, &proto)) |
| 1020 | return NULL; |
| 1021 | } |
Guido van Rossum | 5f59d60 | 1992-12-14 16:59:51 +0000 | [diff] [blame] | 1022 | /* Dup the fd so it and the socket can be closed independently */ |
| 1023 | fd = dup(fd); |
| 1024 | if (fd < 0) |
| 1025 | return socket_error(); |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1026 | s = newsockobject(fd, family, type, proto); |
| 1027 | /* From now on, ignore SIGPIPE and let the error checking |
| 1028 | do the work. */ |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1029 | #ifdef SIGPIPE |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1030 | (void) signal(SIGPIPE, SIG_IGN); |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1031 | #endif |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1032 | return (object *) s; |
| 1033 | } |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1034 | #endif /* NO_DUP */ |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1035 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1036 | /* List of functions exported by this module. */ |
| 1037 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1038 | static struct methodlist socket_methods[] = { |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1039 | {"gethostbyname", socket_gethostbyname}, |
Guido van Rossum | 8119447 | 1991-07-27 21:42:02 +0000 | [diff] [blame] | 1040 | {"gethostname", socket_gethostname}, |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1041 | {"getservbyname", socket_getservbyname}, |
| 1042 | {"socket", socket_socket}, |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1043 | #ifndef NO_DUP |
Guido van Rossum | 2a7178e | 1992-12-08 13:38:24 +0000 | [diff] [blame] | 1044 | {"fromfd", socket_fromfd}, |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1045 | #endif |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1046 | {NULL, NULL} /* Sentinel */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1047 | }; |
| 1048 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1049 | |
| 1050 | /* Convenience routine to export an integer value. |
| 1051 | For simplicity, errors (which are unlikely anyway) are ignored. */ |
| 1052 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1053 | static void |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1054 | BUILD_FUNC_DEF_3(insint,object *,d,char *,name,int,value) |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1055 | { |
| 1056 | object *v = newintobject((long) value); |
| 1057 | if (v == NULL) { |
| 1058 | /* Don't bother reporting this error */ |
| 1059 | err_clear(); |
| 1060 | } |
| 1061 | else { |
| 1062 | dictinsert(d, name, v); |
| 1063 | DECREF(v); |
| 1064 | } |
| 1065 | } |
| 1066 | |
Guido van Rossum | 30a685f | 1991-06-27 15:51:29 +0000 | [diff] [blame] | 1067 | |
| 1068 | /* Initialize this module. |
| 1069 | This is called when the first 'import socket' is done, |
| 1070 | via a table in config.c, if config.c is compiled with USE_SOCKET |
| 1071 | defined. */ |
| 1072 | |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1073 | void |
| 1074 | initsocket() |
| 1075 | { |
| 1076 | object *m, *d; |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1077 | m = initmodule("socket", socket_methods); |
| 1078 | d = getmoduledict(m); |
| 1079 | SocketError = newstringobject("socket.error"); |
| 1080 | if (SocketError == NULL || dictinsert(d, "error", SocketError) != 0) |
| 1081 | fatal("can't define socket.error"); |
| 1082 | insint(d, "AF_INET", AF_INET); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1083 | #ifdef AF_UNIX |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1084 | insint(d, "AF_UNIX", AF_UNIX); |
Guido van Rossum | b6775db | 1994-08-01 11:34:53 +0000 | [diff] [blame] | 1085 | #endif /* AF_UNIX */ |
Guido van Rossum | 6574b3e | 1991-06-25 21:36:08 +0000 | [diff] [blame] | 1086 | insint(d, "SOCK_STREAM", SOCK_STREAM); |
| 1087 | insint(d, "SOCK_DGRAM", SOCK_DGRAM); |
| 1088 | insint(d, "SOCK_RAW", SOCK_RAW); |
| 1089 | insint(d, "SOCK_SEQPACKET", SOCK_SEQPACKET); |
| 1090 | insint(d, "SOCK_RDM", SOCK_RDM); |
| 1091 | } |
Guido van Rossum | 6a3eb5f | 1994-08-18 15:42:46 +0000 | [diff] [blame] | 1092 | |
| 1093 | #ifdef NT |
| 1094 | BOOL WINAPI DllMain (HANDLE hInst, |
| 1095 | ULONG ul_reason_for_call, |
| 1096 | LPVOID lpReserved) |
| 1097 | { |
| 1098 | switch (ul_reason_for_call) |
| 1099 | { |
| 1100 | case DLL_PROCESS_ATTACH: |
| 1101 | WSADATA WSAData; |
| 1102 | if (WSAStartup(MAKEWORD(2,0), &WSAData)) { |
| 1103 | OutputDebugString("Python can't initialize Windows Sockets DLL!"); |
| 1104 | return FALSE; |
| 1105 | } |
| 1106 | break; |
| 1107 | case DLL_PROCESS_DETACH: |
| 1108 | WSACleanup(); |
| 1109 | break; |
| 1110 | |
| 1111 | } |
| 1112 | return TRUE; |
| 1113 | } |
| 1114 | #endif /* NT */ |