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Diffstat (limited to 'Build/source/texk/web2c/luatexdir/luasocket/src/udp.c')
-rw-r--r--Build/source/texk/web2c/luatexdir/luasocket/src/udp.c262
1 files changed, 197 insertions, 65 deletions
diff --git a/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c b/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c
index fc25aa027dc..8e14fac290f 100644
--- a/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c
+++ b/Build/source/texk/web2c/luatexdir/luasocket/src/udp.c
@@ -1,10 +1,8 @@
/*=========================================================================*\
-* UDP object
+* UDP object
* LuaSocket toolkit
-*
-* RCS ID: $Id: udp.c,v 1.29 2005/10/07 04:40:59 diego Exp $
\*=========================================================================*/
-#include <string.h>
+#include <string.h>
#include "lua.h"
#include "lauxlib.h"
@@ -18,36 +16,40 @@
/* min and max macros */
#ifndef MIN
#define MIN(x, y) ((x) < (y) ? x : y)
-#endif
+#endif
#ifndef MAX
#define MAX(x, y) ((x) > (y) ? x : y)
-#endif
+#endif
/*=========================================================================*\
* Internal function prototypes
\*=========================================================================*/
static int global_create(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_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[] = {
+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},
@@ -57,27 +59,39 @@ static luaL_reg udp[] = {
{"sendto", meth_sendto},
{"setfd", meth_setfd},
{"setoption", meth_setoption},
+ {"getoption", meth_getoption},
{"setpeername", meth_setpeername},
{"setsockname", meth_setsockname},
{"settimeout", meth_settimeout},
{NULL, NULL}
};
-/* socket options */
-static t_opt opt[] = {
- {"dontroute", opt_dontroute},
- {"broadcast", opt_broadcast},
- {"reuseaddr", opt_reuseaddr},
- {"ip-multicast-ttl", opt_ip_multicast_ttl},
- {"ip-multicast-loop", opt_ip_multicast_loop},
- {"ip-add-membership", opt_ip_add_membership},
- {"ip-drop-membership", opt_ip_drop_membersip},
- {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-v6only", opt_set_ip6_v6only},
+ {NULL, NULL}
+};
+
+/* socket options for getoption */
+static t_opt optget[] = {
+ {"ip-multicast-if", opt_get_ip_multicast_if},
+ {"ip-multicast-loop", opt_get_ip_multicast_loop},
+ {NULL, NULL}
};
/* functions in library namespace */
-static luaL_reg func[] = {
+static luaL_Reg func[] = {
{"udp", global_create},
+ {"udp6", global_create6},
{NULL, NULL}
};
@@ -87,15 +101,15 @@ static luaL_reg func[] = {
int udp_open(lua_State *L)
{
/* create classes */
- auxiliar_newclass(L, "udp{connected}", udp);
- auxiliar_newclass(L, "udp{unconnected}", udp);
+ 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_openlib(L, NULL, func, 0);
+ luaL_openlib(L, NULL, func, 0);
return 0;
}
@@ -125,7 +139,7 @@ static int meth_send(lua_State *L) {
lua_pushstring(L, udp_strerror(err));
return 2;
}
- lua_pushnumber(L, sent);
+ lua_pushnumber(L, (lua_Number) sent);
return 1;
}
@@ -139,22 +153,43 @@ static int meth_sendto(lua_State *L) {
const char *ip = luaL_checkstring(L, 3);
unsigned short port = (unsigned short) luaL_checknumber(L, 4);
p_timeout tm = &udp->tm;
- struct sockaddr_in addr;
int err;
- memset(&addr, 0, sizeof(addr));
- if (!inet_aton(ip, &addr.sin_addr))
- luaL_argerror(L, 3, "invalid ip address");
- addr.sin_family = AF_INET;
- addr.sin_port = htons(port);
- timeout_markstart(tm);
- err = socket_sendto(&udp->sock, data, count, &sent,
- (SA *) &addr, sizeof(addr), tm);
+ switch (udp->family) {
+ case PF_INET: {
+ struct sockaddr_in addr;
+ memset(&addr, 0, sizeof(addr));
+ if (!inet_pton(AF_INET, ip, &addr.sin_addr))
+ luaL_argerror(L, 3, "invalid ip address");
+ addr.sin_family = AF_INET;
+ addr.sin_port = htons(port);
+ timeout_markstart(tm);
+ err = socket_sendto(&udp->sock, data, count, &sent,
+ (SA *) &addr, sizeof(addr), tm);
+ break;
+ }
+ case PF_INET6: {
+ struct sockaddr_in6 addr;
+ memset(&addr, 0, sizeof(addr));
+ if (!inet_pton(AF_INET6, ip, &addr.sin6_addr))
+ luaL_argerror(L, 3, "invalid ip address");
+ addr.sin6_family = AF_INET6;
+ addr.sin6_port = htons(port);
+ timeout_markstart(tm);
+ err = socket_sendto(&udp->sock, data, count, &sent,
+ (SA *) &addr, sizeof(addr), tm);
+ break;
+ }
+ default:
+ lua_pushnil(L);
+ lua_pushfstring(L, "unknown family %d", udp->family);
+ return 2;
+ }
if (err != IO_DONE) {
lua_pushnil(L);
lua_pushstring(L, udp_strerror(err));
return 2;
}
- lua_pushnumber(L, sent);
+ lua_pushnumber(L, (lua_Number) sent);
return 1;
}
@@ -170,6 +205,9 @@ static int meth_receive(lua_State *L) {
count = MIN(count, sizeof(buffer));
timeout_markstart(tm);
err = socket_recv(&udp->sock, buffer, count, &got, tm);
+ /* Unlike TCP, recv() of zero is not closed, but a zero-length packet. */
+ if (err == IO_CLOSED)
+ err = IO_DONE;
if (err != IO_DONE) {
lua_pushnil(L);
lua_pushstring(L, udp_strerror(err));
@@ -184,26 +222,82 @@ static int meth_receive(lua_State *L) {
\*-------------------------------------------------------------------------*/
static int meth_receivefrom(lua_State *L) {
p_udp udp = (p_udp) auxiliar_checkclass(L, "udp{unconnected}", 1);
- struct sockaddr_in addr;
- socklen_t addr_len = sizeof(addr);
char buffer[UDP_DATAGRAMSIZE];
size_t got, count = (size_t) luaL_optnumber(L, 2, sizeof(buffer));
int err;
p_timeout tm = &udp->tm;
timeout_markstart(tm);
count = MIN(count, sizeof(buffer));
- err = socket_recvfrom(&udp->sock, buffer, count, &got,
- (SA *) &addr, &addr_len, tm);
- if (err == IO_DONE) {
- lua_pushlstring(L, buffer, got);
- lua_pushstring(L, inet_ntoa(addr.sin_addr));
- lua_pushnumber(L, ntohs(addr.sin_port));
- return 3;
- } else {
+ switch (udp->family) {
+ case PF_INET: {
+ struct sockaddr_in addr;
+ socklen_t addr_len = sizeof(addr);
+ err = socket_recvfrom(&udp->sock, buffer, count, &got,
+ (SA *) &addr, &addr_len, tm);
+ /* Unlike TCP, recv() of zero is not closed, but a zero-length packet. */
+ if (err == IO_CLOSED)
+ err = IO_DONE;
+ if (err == IO_DONE) {
+ char addrstr[INET_ADDRSTRLEN];
+ lua_pushlstring(L, buffer, got);
+ if (!inet_ntop(AF_INET, &addr.sin_addr,
+ addrstr, sizeof(addrstr))) {
+ lua_pushnil(L);
+ lua_pushstring(L, "invalid source address");
+ return 2;
+ }
+ lua_pushstring(L, addrstr);
+ lua_pushnumber(L, ntohs(addr.sin_port));
+ return 3;
+ }
+ break;
+ }
+ case PF_INET6: {
+ struct sockaddr_in6 addr;
+ socklen_t addr_len = sizeof(addr);
+ err = socket_recvfrom(&udp->sock, buffer, count, &got,
+ (SA *) &addr, &addr_len, tm);
+ /* Unlike TCP, recv() of zero is not closed, but a zero-length packet. */
+ if (err == IO_CLOSED)
+ err = IO_DONE;
+ if (err == IO_DONE) {
+ char addrstr[INET6_ADDRSTRLEN];
+ lua_pushlstring(L, buffer, got);
+ if (!inet_ntop(AF_INET6, &addr.sin6_addr,
+ addrstr, sizeof(addrstr))) {
+ lua_pushnil(L);
+ lua_pushstring(L, "invalid source address");
+ return 2;
+ }
+ lua_pushstring(L, addrstr);
+ lua_pushnumber(L, ntohs(addr.sin6_port));
+ return 3;
+ }
+ break;
+ }
+ default:
lua_pushnil(L);
- lua_pushstring(L, udp_strerror(err));
+ lua_pushfstring(L, "unknown family %d", udp->family);
return 2;
}
+ lua_pushnil(L);
+ lua_pushstring(L, udp_strerror(err));
+ return 2;
+}
+
+/*-------------------------------------------------------------------------*\
+* 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 == PF_INET6) {
+ lua_pushliteral(L, "inet6");
+ return 1;
+ } else {
+ lua_pushliteral(L, "inet4");
+ return 1;
+ }
}
/*-------------------------------------------------------------------------*\
@@ -234,12 +328,12 @@ static int meth_dirty(lua_State *L) {
\*-------------------------------------------------------------------------*/
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);
+ 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);
+ return inet_meth_getsockname(L, &udp->sock, udp->family);
}
/*-------------------------------------------------------------------------*\
@@ -247,7 +341,15 @@ static int meth_getsockname(lua_State *L) {
\*-------------------------------------------------------------------------*/
static int meth_setoption(lua_State *L) {
p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
- return opt_meth_setoption(L, opt, &udp->sock);
+ 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);
}
/*-------------------------------------------------------------------------*\
@@ -264,26 +366,36 @@ static int meth_settimeout(lua_State *L) {
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);
+ const char *address = luaL_checkstring(L, 2);
int connecting = strcmp(address, "*");
- unsigned short port = connecting ?
- (unsigned short) luaL_checknumber(L, 3) :
- (unsigned short) luaL_optnumber(L, 3, 0);
- const char *err = inet_tryconnect(&udp->sock, address, port, tm);
- if (err) {
- lua_pushnil(L);
- lua_pushstring(L, err);
- return 2;
+ 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, 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);
}
/* change class to connected or unconnected depending on address */
- if (connecting) auxiliar_setclass(L, "udp{connected}", 1);
- else auxiliar_setclass(L, "udp{unconnected}", 1);
lua_pushnumber(L, 1);
return 1;
}
/*-------------------------------------------------------------------------*\
-* Closes socket used by object
+* Closes socket used by object
\*-------------------------------------------------------------------------*/
static int meth_close(lua_State *L) {
p_udp udp = (p_udp) auxiliar_checkgroup(L, "udp{any}", 1);
@@ -298,8 +410,14 @@ static int meth_close(lua_State *L) {
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);
- unsigned short port = (unsigned short) luaL_checknumber(L, 3);
- const char *err = inet_trybind(&udp->sock, address, port);
+ 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, address, port, &bindhints);
if (err) {
lua_pushnil(L);
lua_pushstring(L, err);
@@ -313,20 +431,26 @@ static int meth_setsockname(lua_State *L) {
* Library functions
\*=========================================================================*/
/*-------------------------------------------------------------------------*\
-* Creates a master udp object
+* Creates a master udp object
\*-------------------------------------------------------------------------*/
-static int global_create(lua_State *L) {
+static int udp_create(lua_State *L, int family) {
t_socket sock;
- const char *err = inet_trycreate(&sock, SOCK_DGRAM);
+ const char *err = inet_trycreate(&sock, family, SOCK_DGRAM);
/* try to allocate a system socket */
- if (!err) {
- /* allocate tcp object */
+ if (!err) {
+ /* allocate udp object */
p_udp udp = (p_udp) lua_newuserdata(L, sizeof(t_udp));
auxiliar_setclass(L, "udp{unconnected}", -1);
/* initialize remaining structure fields */
socket_setnonblocking(&sock);
+ if (family == PF_INET6) {
+ int yes = 1;
+ setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY,
+ (void *)&yes, sizeof(yes));
+ }
udp->sock = sock;
timeout_init(&udp->tm, -1, -1);
+ udp->family = family;
return 1;
} else {
lua_pushnil(L);
@@ -334,3 +458,11 @@ static int global_create(lua_State *L) {
return 2;
}
}
+
+static int global_create(lua_State *L) {
+ return udp_create(L, AF_INET);
+}
+
+static int global_create6(lua_State *L) {
+ return udp_create(L, AF_INET6);
+}