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-rw-r--r--Build/source/texk/web2c/luatexdir/luasocket/src/udp.c483
1 files changed, 0 insertions, 483 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c b/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c
deleted file mode 100644
index 605c1950f2b..00000000000
--- a/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c
+++ /dev/null
@@ -1,483 +0,0 @@
-/*=========================================================================*\
-* UDP object
-* LuaSocket toolkit
-\*=========================================================================*/
-#include <string.h>
-#include <stdlib.h>
-
-#include "lua.h"
-#include "lauxlib.h"
-#include "compat.h"
-
-#include "auxiliar.h"
-#include "socket.h"
-#include "inet.h"
-#include "options.h"
-#include "udp.h"
-
-/* min and max macros */
-#ifndef MIN
-#define MIN(x, y) ((x) < (y) ? x : y)
-#endif
-#ifndef MAX
-#define MAX(x, y) ((x) > (y) ? x : y)
-#endif
-
-/*=========================================================================*\
-* Internal function prototypes
-\*=========================================================================*/
-static int global_create(lua_State *L);
-static int global_create4(lua_State *L);
-static int global_create6(lua_State *L);
-static int meth_send(lua_State *L);
-static int meth_sendto(lua_State *L);
-static int meth_receive(lua_State *L);
-static int meth_receivefrom(lua_State *L);
-static int meth_getfamily(lua_State *L);
-static int meth_getsockname(lua_State *L);
-static int meth_getpeername(lua_State *L);
-static int meth_gettimeout(lua_State *L);
-static int meth_setsockname(lua_State *L);
-static int meth_setpeername(lua_State *L);
-static int meth_close(lua_State *L);
-static int meth_setoption(lua_State *L);
-static int meth_getoption(lua_State *L);
-static int meth_settimeout(lua_State *L);
-static int meth_getfd(lua_State *L);
-static int meth_setfd(lua_State *L);
-static int meth_dirty(lua_State *L);
-
-/* udp object methods */
-static luaL_Reg udp_methods[] = {
- {"__gc", meth_close},
- {"__tostring", auxiliar_tostring},
- {"close", meth_close},
- {"dirty", meth_dirty},
- {"getfamily", meth_getfamily},
- {"getfd", meth_getfd},
- {"getpeername", meth_getpeername},
- {"getsockname", meth_getsockname},
- {"receive", meth_receive},
- {"receivefrom", meth_receivefrom},
- {"send", meth_send},
- {"sendto", meth_sendto},
- {"setfd", meth_setfd},
- {"setoption", meth_setoption},
- {"getoption", meth_getoption},
- {"setpeername", meth_setpeername},
- {"setsockname", meth_setsockname},
- {"settimeout", meth_settimeout},
- {"gettimeout", meth_gettimeout},
- {NULL, NULL}
-};
-
-/* socket options for setoption */
-static t_opt optset[] = {
- {"dontroute", opt_set_dontroute},
- {"broadcast", opt_set_broadcast},
- {"reuseaddr", opt_set_reuseaddr},
- {"reuseport", opt_set_reuseport},
- {"ip-multicast-if", opt_set_ip_multicast_if},
- {"ip-multicast-ttl", opt_set_ip_multicast_ttl},
- {"ip-multicast-loop", opt_set_ip_multicast_loop},
- {"ip-add-membership", opt_set_ip_add_membership},
- {"ip-drop-membership", opt_set_ip_drop_membersip},
- {"ipv6-unicast-hops", opt_set_ip6_unicast_hops},
- {"ipv6-multicast-hops", opt_set_ip6_unicast_hops},
- {"ipv6-multicast-loop", opt_set_ip6_multicast_loop},
- {"ipv6-add-membership", opt_set_ip6_add_membership},
- {"ipv6-drop-membership", opt_set_ip6_drop_membersip},
- {"ipv6-v6only", opt_set_ip6_v6only},
- {NULL, NULL}
-};
-
-/* socket options for getoption */
-static t_opt optget[] = {
- {"dontroute", opt_get_dontroute},
- {"broadcast", opt_get_broadcast},
- {"reuseaddr", opt_get_reuseaddr},
- {"reuseport", opt_get_reuseport},
- {"ip-multicast-if", opt_get_ip_multicast_if},
- {"ip-multicast-loop", opt_get_ip_multicast_loop},
- {"error", opt_get_error},
- {"ipv6-unicast-hops", opt_get_ip6_unicast_hops},
- {"ipv6-multicast-hops", opt_get_ip6_unicast_hops},
- {"ipv6-multicast-loop", opt_get_ip6_multicast_loop},
- {"ipv6-v6only", opt_get_ip6_v6only},
- {NULL, NULL}
-};
-
-/* functions in library namespace */
-static luaL_Reg func[] = {
- {"udp", global_create},
- {"udp4", global_create4},
- {"udp6", global_create6},
- {NULL, NULL}
-};
-
-/*-------------------------------------------------------------------------*\
-* Initializes module
-\*-------------------------------------------------------------------------*/
-int udp_open(lua_State *L) {
- /* create classes */
- auxiliar_newclass(L, "udp{connected}", udp_methods);
- auxiliar_newclass(L, "udp{unconnected}", udp_methods);
- /* create class groups */
- auxiliar_add2group(L, "udp{connected}", "udp{any}");
- auxiliar_add2group(L, "udp{unconnected}", "udp{any}");
- auxiliar_add2group(L, "udp{connected}", "select{able}");
- auxiliar_add2group(L, "udp{unconnected}", "select{able}");
- /* define library functions */
- luaL_setfuncs(L, func, 0);
- /* export default UDP size */
- lua_pushliteral(L, "_DATAGRAMSIZE");
- lua_pushinteger(L, UDP_DATAGRAMSIZE);
- lua_rawset(L, -3);
- return 0;
-}
-
-/*=========================================================================*\
-* Lua methods
-\*=========================================================================*/
-static const char *udp_strerror(int err) {
- /* a 'closed' error on an unconnected means the target address was not
- * accepted by the transport layer */
- if (err == IO_CLOSED) return "refused";
- else return socket_strerror(err);
-}
-
-/*-------------------------------------------------------------------------*\
-* Send data through connected udp socket
-\*-------------------------------------------------------------------------*/
-static int meth_send(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{connected}", 1);
- p_timeout tm = &udp->tm;
- size_t count, sent = 0;
- int err;
- const char *data = luaL_checklstring(L, 2, &count);
- timeout_markstart(tm);
- err = socket_send(&udp->sock, data, count, &sent, tm);
- if (err != IO_DONE) {
- lua_pushnil(L);
- lua_pushstring(L, udp_strerror(err));
- return 2;
- }
- lua_pushnumber(L, (lua_Number) sent);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Send data through unconnected udp socket
-\*-------------------------------------------------------------------------*/
-static int meth_sendto(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{unconnected}", 1);
- size_t count, sent = 0;
- const char *data = luaL_checklstring(L, 2, &count);
- const char *ip = luaL_checkstring(L, 3);
- const char *port = luaL_checkstring(L, 4);
- p_timeout tm = &udp->tm;
- int err;
- struct addrinfo aihint;
- struct addrinfo *ai;
- memset(&aihint, 0, sizeof(aihint));
- aihint.ai_family = udp->family;
- aihint.ai_socktype = SOCK_DGRAM;
- aihint.ai_flags = AI_NUMERICHOST | AI_NUMERICSERV;
- err = getaddrinfo(ip, port, &aihint, &ai);
- if (err) {
- lua_pushnil(L);
- lua_pushstring(L, gai_strerror(err));
- return 2;
- }
-
- /* create socket if on first sendto if AF_UNSPEC was set */
- if (udp->family == AF_UNSPEC && udp->sock == SOCKET_INVALID) {
- struct addrinfo *ap;
- const char *errstr = NULL;
- for (ap = ai; ap != NULL; ap = ap->ai_next) {
- errstr = inet_trycreate(&udp->sock, ap->ai_family, SOCK_DGRAM, 0);
- if (errstr == NULL) {
- socket_setnonblocking(&udp->sock);
- udp->family = ap->ai_family;
- break;
- }
- }
- if (errstr != NULL) {
- lua_pushnil(L);
- lua_pushstring(L, errstr);
- freeaddrinfo(ai);
- return 2;
- }
- }
-
- timeout_markstart(tm);
- err = socket_sendto(&udp->sock, data, count, &sent, ai->ai_addr,
- (socklen_t) ai->ai_addrlen, tm);
- freeaddrinfo(ai);
- if (err != IO_DONE) {
- lua_pushnil(L);
- lua_pushstring(L, udp_strerror(err));
- return 2;
- }
- lua_pushnumber(L, (lua_Number) sent);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Receives data from a UDP socket
-\*-------------------------------------------------------------------------*/
-static int meth_receive(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- char buf[UDP_DATAGRAMSIZE];
- size_t got, wanted = (size_t) luaL_optnumber(L, 2, sizeof(buf));
- char *dgram = wanted > sizeof(buf)? (char *) malloc(wanted): buf;
- int err;
- p_timeout tm = &udp->tm;
- timeout_markstart(tm);
- if (!dgram) {
- lua_pushnil(L);
- lua_pushliteral(L, "out of memory");
- return 2;
- }
- err = socket_recv(&udp->sock, dgram, wanted, &got, tm);
- /* Unlike TCP, recv() of zero is not closed, but a zero-length packet. */
- if (err != IO_DONE && err != IO_CLOSED) {
- lua_pushnil(L);
- lua_pushstring(L, udp_strerror(err));
- if (wanted > sizeof(buf)) free(dgram);
- return 2;
- }
- lua_pushlstring(L, dgram, got);
- if (wanted > sizeof(buf)) free(dgram);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Receives data and sender from a UDP socket
-\*-------------------------------------------------------------------------*/
-static int meth_receivefrom(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{unconnected}", 1);
- char buf[UDP_DATAGRAMSIZE];
- size_t got, wanted = (size_t) luaL_optnumber(L, 2, sizeof(buf));
- char *dgram = wanted > sizeof(buf)? (char *) malloc(wanted): buf;
- struct sockaddr_storage addr;
- socklen_t addr_len = sizeof(addr);
- char addrstr[INET6_ADDRSTRLEN];
- char portstr[6];
- int err;
- p_timeout tm = &udp->tm;
- timeout_markstart(tm);
- if (!dgram) {
- lua_pushnil(L);
- lua_pushliteral(L, "out of memory");
- return 2;
- }
- err = socket_recvfrom(&udp->sock, dgram, wanted, &got, (SA *) &addr,
- &addr_len, tm);
- /* Unlike TCP, recv() of zero is not closed, but a zero-length packet. */
- if (err != IO_DONE && err != IO_CLOSED) {
- lua_pushnil(L);
- lua_pushstring(L, udp_strerror(err));
- if (wanted > sizeof(buf)) free(dgram);
- return 2;
- }
- err = getnameinfo((struct sockaddr *)&addr, addr_len, addrstr,
- INET6_ADDRSTRLEN, portstr, 6, NI_NUMERICHOST | NI_NUMERICSERV);
- if (err) {
- lua_pushnil(L);
- lua_pushstring(L, gai_strerror(err));
- if (wanted > sizeof(buf)) free(dgram);
- return 2;
- }
- lua_pushlstring(L, dgram, got);
- lua_pushstring(L, addrstr);
- lua_pushinteger(L, (int) strtol(portstr, (char **) NULL, 10));
- if (wanted > sizeof(buf)) free(dgram);
- return 3;
-}
-
-/*-------------------------------------------------------------------------*\
-* Returns family as string
-\*-------------------------------------------------------------------------*/
-static int meth_getfamily(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- if (udp->family == AF_INET6) {
- lua_pushliteral(L, "inet6");
- return 1;
- } else {
- lua_pushliteral(L, "inet4");
- return 1;
- }
-}
-
-/*-------------------------------------------------------------------------*\
-* Select support methods
-\*-------------------------------------------------------------------------*/
-static int meth_getfd(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- lua_pushnumber(L, (int) udp->sock);
- return 1;
-}
-
-/* this is very dangerous, but can be handy for those that are brave enough */
-static int meth_setfd(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- udp->sock = (t_socket) luaL_checknumber(L, 2);
- return 0;
-}
-
-static int meth_dirty(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- (void) udp;
- lua_pushboolean(L, 0);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Just call inet methods
-\*-------------------------------------------------------------------------*/
-static int meth_getpeername(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{connected}", 1);
- return inet_meth_getpeername(L, &udp->sock, udp->family);
-}
-
-static int meth_getsockname(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return inet_meth_getsockname(L, &udp->sock, udp->family);
-}
-
-/*-------------------------------------------------------------------------*\
-* Just call option handler
-\*-------------------------------------------------------------------------*/
-static int meth_setoption(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return opt_meth_setoption(L, optset, &udp->sock);
-}
-
-/*-------------------------------------------------------------------------*\
-* Just call option handler
-\*-------------------------------------------------------------------------*/
-static int meth_getoption(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return opt_meth_getoption(L, optget, &udp->sock);
-}
-
-/*-------------------------------------------------------------------------*\
-* Just call tm methods
-\*-------------------------------------------------------------------------*/
-static int meth_settimeout(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return timeout_meth_settimeout(L, &udp->tm);
-}
-
-static int meth_gettimeout(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return timeout_meth_gettimeout(L, &udp->tm);
-}
-
-/*-------------------------------------------------------------------------*\
-* Turns a master udp object into a client object.
-\*-------------------------------------------------------------------------*/
-static int meth_setpeername(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- p_timeout tm = &udp->tm;
- const char *address = luaL_checkstring(L, 2);
- int connecting = strcmp(address, "*");
- const char *port = connecting? luaL_checkstring(L, 3): "0";
- struct addrinfo connecthints;
- const char *err;
- memset(&connecthints, 0, sizeof(connecthints));
- connecthints.ai_socktype = SOCK_DGRAM;
- /* make sure we try to connect only to the same family */
- connecthints.ai_family = udp->family;
- if (connecting) {
- err = inet_tryconnect(&udp->sock, &udp->family, address,
- port, tm, &connecthints);
- if (err) {
- lua_pushnil(L);
- lua_pushstring(L, err);
- return 2;
- }
- auxiliar_setclass(L, "udp{connected}", 1);
- } else {
- /* we ignore possible errors because Mac OS X always
- * returns EAFNOSUPPORT */
- inet_trydisconnect(&udp->sock, udp->family, tm);
- auxiliar_setclass(L, "udp{unconnected}", 1);
- }
- lua_pushnumber(L, 1);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Closes socket used by object
-\*-------------------------------------------------------------------------*/
-static int meth_close(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- socket_destroy(&udp->sock);
- lua_pushnumber(L, 1);
- return 1;
-}
-
-/*-------------------------------------------------------------------------*\
-* Turns a master object into a server object
-\*-------------------------------------------------------------------------*/
-static int meth_setsockname(lua_State *L) {
- p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{unconnected}", 1);
- const char *address = luaL_checkstring(L, 2);
- const char *port = luaL_checkstring(L, 3);
- const char *err;
- struct addrinfo bindhints;
- memset(&bindhints, 0, sizeof(bindhints));
- bindhints.ai_socktype = SOCK_DGRAM;
- bindhints.ai_family = udp->family;
- bindhints.ai_flags = AI_PASSIVE;
- err = inet_trybind(&udp->sock, &udp->family, address, port, &bindhints);
- if (err) {
- lua_pushnil(L);
- lua_pushstring(L, err);
- return 2;
- }
- lua_pushnumber(L, 1);
- return 1;
-}
-
-/*=========================================================================*\
-* Library functions
-\*=========================================================================*/
-/*-------------------------------------------------------------------------*\
-* Creates a master udp object
-\*-------------------------------------------------------------------------*/
-static int udp_create(lua_State *L, int family) {
- /* allocate udp object */
- p_udp udp = (p_udp) lua_newuserdata(L, sizeof(t_udp));
- auxiliar_setclass(L, "udp{unconnected}", -1);
- /* if family is AF_UNSPEC, we leave the socket invalid and
- * store AF_UNSPEC into family. This will allow it to later be
- * replaced with an AF_INET6 or AF_INET socket upon first use. */
- udp->sock = SOCKET_INVALID;
- timeout_init(&udp->tm, -1, -1);
- udp->family = family;
- if (family != AF_UNSPEC) {
- const char *err = inet_trycreate(&udp->sock, family, SOCK_DGRAM, 0);
- if (err != NULL) {
- lua_pushnil(L);
- lua_pushstring(L, err);
- return 2;
- }
- socket_setnonblocking(&udp->sock);
- }
- return 1;
-}
-
-static int global_create(lua_State *L) {
- return udp_create(L, AF_UNSPEC);
-}
-
-static int global_create4(lua_State *L) {
- return udp_create(L, AF_INET);
-}
-
-static int global_create6(lua_State *L) {
- return udp_create(L, AF_INET6);
-}