rev |
line source |
jbe@209
|
1
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jbe@209
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2 #ifndef __has_include
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jbe@209
|
3 #define __has_include(x) 0
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jbe@209
|
4 #endif
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jbe@79
|
5
|
jbe@79
|
6 #include <stdlib.h>
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jbe@135
|
7 #include <stdint.h>
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jbe@135
|
8 #include <string.h>
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jbe@135
|
9 #include <errno.h>
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jbe@79
|
10 #include <unistd.h>
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jbe@135
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11 #include <signal.h>
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jbe@135
|
12 #include <fcntl.h>
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jbe@135
|
13 #include <sys/stat.h>
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jbe@79
|
14 #include <sys/socket.h>
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jbe@111
|
15 #include <sys/un.h>
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jbe@95
|
16 #include <netinet/in.h>
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jbe@95
|
17 #include <netinet/tcp.h>
|
jbe@135
|
18 #include <sys/select.h>
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jbe@136
|
19 #include <time.h>
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jbe@135
|
20 #include <netdb.h>
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jbe@107
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21 #include <arpa/inet.h>
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jbe@205
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22 #include <sys/types.h>
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jbe@205
|
23 #include <sys/wait.h>
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jbe@209
|
24 #if defined(__linux__) || __has_include(<bsd/unistd.h>)
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jbe@209
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25 #include <bsd/unistd.h>
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jbe@209
|
26 #endif
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jbe@211
|
27
|
jbe@243
|
28 #ifdef MOONBR_IO_USE_TLS
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jbe@243
|
29 #include <tls.h>
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jbe@243
|
30 #endif
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jbe@243
|
31
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jbe@79
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32 #include <lua.h>
|
jbe@79
|
33 #include <lauxlib.h>
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jbe@79
|
34 #include <lualib.h>
|
jbe@79
|
35
|
jbe@149
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36 #include <assert.h>
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jbe@149
|
37
|
jbe@80
|
38 #define MOONBR_IO_MAXSTRERRORLEN 80
|
jbe@85
|
39 #define MOONBR_IO_READBUFLEN 4096
|
jbe@80
|
40 #define MOONBR_IO_WRITEBUFLEN 4096
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jbe@80
|
41
|
jbe@108
|
42 #define MOONBR_IO_LISTEN_BACKLOG 1024
|
jbe@108
|
43
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jbe@213
|
44 #define MOONBR_IO_STRERROR_R_MSG "Error detail unavailable due to noncompliant strerror_r() implementation"
|
jbe@80
|
45 #define moonbr_io_errmsg() \
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jbe@213
|
46 char errmsg[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG; \
|
jbe@80
|
47 strerror_r(errno, errmsg, MOONBR_IO_MAXSTRERRORLEN)
|
jbe@80
|
48
|
jbe@79
|
49 #define MOONBR_IO_HANDLE_MT_REGKEY "moonbridge_io_handle"
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jbe@79
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50 #define MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY "moonbridge_io_handle_public"
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jbe@108
|
51 #define MOONBR_IO_LISTENER_MT_REGKEY "moonbridge_io_listener"
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jbe@205
|
52 #define MOONBR_IO_CHILD_MT_REGKEY "moonbridge_io_child"
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jbe@205
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53 #define MOONBR_IO_CHILD_PT_REGKEY "moonbridge_io_child_pt"
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jbe@79
|
54
|
jbe@243
|
55 #ifdef MOONBR_IO_USE_TLS
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jbe@243
|
56 #define MOONBR_IO_TLSCONF_MT_REGKEY "moonbridge_io_tlsconf"
|
jbe@252
|
57
|
jbe@252
|
58 typedef struct {
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jbe@252
|
59 struct tls_config *config;
|
jbe@252
|
60 int server;
|
jbe@252
|
61 } moonbr_io_tlsconf_t;
|
jbe@243
|
62 #endif
|
jbe@243
|
63
|
jbe@79
|
64 typedef struct {
|
jbe@79
|
65 int fd;
|
jbe@107
|
66 int issock;
|
jbe@107
|
67 sa_family_t addrfam;
|
jbe@94
|
68 int finished;
|
jbe@94
|
69 int closed;
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jbe@81
|
70 int nonblocking;
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jbe@95
|
71 int nopush;
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jbe@85
|
72 int readerr;
|
jbe@105
|
73 int readbufin;
|
jbe@105
|
74 int readbufout;
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jbe@81
|
75 int writeerr;
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jbe@83
|
76 size_t writeleft;
|
jbe@132
|
77 size_t flushedleft;
|
jbe@83
|
78 #if LUA_VERSION_NUM >= 503
|
jbe@83
|
79 lua_Integer writeqin;
|
jbe@83
|
80 lua_Integer writeqout;
|
jbe@83
|
81 #else
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jbe@83
|
82 int writeqin;
|
jbe@83
|
83 int writeqout;
|
jbe@83
|
84 #endif
|
jbe@83
|
85 size_t writeqoff;
|
jbe@103
|
86 int writebufin;
|
jbe@103
|
87 int writebufout;
|
jbe@85
|
88 char readbuf[MOONBR_IO_READBUFLEN];
|
jbe@80
|
89 char writebuf[MOONBR_IO_WRITEBUFLEN];
|
jbe@246
|
90 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
91 struct tls *tls;
|
jbe@250
|
92 struct tls *servertls;
|
jbe@250
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93 int tlshandshake;
|
jbe@246
|
94 #endif
|
jbe@79
|
95 } moonbr_io_handle_t;
|
jbe@79
|
96
|
jbe@108
|
97 typedef struct {
|
jbe@108
|
98 int fd;
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jbe@118
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99 sa_family_t addrfam;
|
jbe@108
|
100 int nonblocking;
|
jbe@108
|
101 } moonbr_io_listener_t;
|
jbe@108
|
102
|
jbe@205
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103 typedef struct {
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jbe@205
|
104 pid_t pid;
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jbe@205
|
105 } moonbr_io_child_t;
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jbe@205
|
106
|
jbe@148
|
107 static int moonbr_io_yield(lua_State *L) {
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jbe@149
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108 return lua_yield(L, lua_gettop(L));
|
jbe@140
|
109 }
|
jbe@140
|
110
|
jbe@140
|
111 #if LUA_VERSION_NUM >= 503
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jbe@140
|
112 static int moonbr_io_cont_returnall(lua_State *L, int status, lua_KContext ctx) {
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jbe@140
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113 #else
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jbe@140
|
114 static int moonbr_io_cont_returnall(lua_State *L) {
|
jbe@140
|
115 #endif
|
jbe@140
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116 return lua_gettop(L);
|
jbe@140
|
117 }
|
jbe@140
|
118
|
jbe@145
|
119 #define moonbr_io_yield_wrapper(yieldfunc, callfunc) \
|
jbe@145
|
120 static int yieldfunc(lua_State *L) { \
|
jbe@145
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121 int args; \
|
jbe@145
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122 lua_pushcfunction(L, callfunc); \
|
jbe@145
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123 lua_insert(L, 1); \
|
jbe@145
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124 args = lua_gettop(L); \
|
jbe@148
|
125 lua_pushcfunction(L, moonbr_io_yield); \
|
jbe@145
|
126 lua_insert(L, 3); \
|
jbe@145
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127 lua_callk(L, args, LUA_MULTRET, 0, moonbr_io_cont_returnall); \
|
jbe@145
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128 return lua_gettop(L); \
|
jbe@145
|
129 }
|
jbe@145
|
130
|
jbe@81
|
131 static void moonbr_io_handle_set_nonblocking(lua_State *L, moonbr_io_handle_t *handle, int nonblocking) {
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jbe@95
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132 int flags;
|
jbe@95
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133 if (handle->nonblocking == nonblocking) return;
|
jbe@95
|
134 flags = fcntl(handle->fd, F_GETFL, 0);
|
jbe@95
|
135 if (flags == -1) {
|
jbe@95
|
136 moonbr_io_errmsg();
|
jbe@251
|
137 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
138 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
139 #endif
|
jbe@96
|
140 close(handle->fd);
|
jbe@96
|
141 handle->fd = -1;
|
jbe@96
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142 handle->closed = 1;
|
jbe@95
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143 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@81
|
144 }
|
jbe@95
|
145 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@95
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146 else flags &= ~O_NONBLOCK;
|
jbe@95
|
147 if (fcntl(handle->fd, F_SETFL, flags) == -1) {
|
jbe@95
|
148 moonbr_io_errmsg();
|
jbe@253
|
149 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
150 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
151 #endif
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jbe@253
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152 close(handle->fd);
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jbe@96
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153 handle->fd = -1;
|
jbe@96
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154 handle->closed = 1;
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jbe@95
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155 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@95
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156 }
|
jbe@95
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157 handle->nonblocking = nonblocking;
|
jbe@81
|
158 }
|
jbe@81
|
159
|
jbe@87
|
160 static void moonbr_io_handle_set_linger(lua_State *L, moonbr_io_handle_t *handle, int timeout) {
|
jbe@87
|
161 struct linger lingerval = { 0, };
|
jbe@107
|
162 if (!handle->issock) return;
|
jbe@87
|
163 if (timeout >= 0) {
|
jbe@87
|
164 lingerval.l_onoff = 1;
|
jbe@87
|
165 lingerval.l_linger = timeout;
|
jbe@87
|
166 }
|
jbe@87
|
167 if (setsockopt(handle->fd, SOL_SOCKET, SO_LINGER, &lingerval, sizeof(lingerval))) {
|
jbe@87
|
168 moonbr_io_errmsg();
|
jbe@251
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169 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
170 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
171 #endif
|
jbe@96
|
172 close(handle->fd);
|
jbe@96
|
173 handle->fd = -1;
|
jbe@96
|
174 handle->closed = 1;
|
jbe@95
|
175 luaL_error(L, "Unexpected error while setting SO_LINGER with setsockopt: %s", errmsg);
|
jbe@87
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176 }
|
jbe@87
|
177 }
|
jbe@87
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178
|
jbe@133
|
179 static inline void moonbr_io_handle_set_nopush(lua_State *L, moonbr_io_handle_t *handle, int nopush) {
|
jbe@96
|
180 #if defined(TCP_NOPUSH) || defined(TCP_CORK)
|
jbe@107
|
181 if (
|
jbe@107
|
182 !(handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) ||
|
jbe@107
|
183 handle->nopush == nopush
|
jbe@107
|
184 ) return;
|
jbe@96
|
185 #if defined(TCP_NOPUSH)
|
jbe@96
|
186 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_NOPUSH, &nopush, sizeof(nopush))) {
|
jbe@104
|
187 #elif defined(TCP_CORK)
|
jbe@104
|
188 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_CORK, &nopush, sizeof(nopush))) {
|
jbe@104
|
189 #endif
|
jbe@96
|
190 moonbr_io_errmsg();
|
jbe@251
|
191 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
192 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
193 #endif
|
jbe@96
|
194 close(handle->fd);
|
jbe@96
|
195 handle->fd = -1;
|
jbe@96
|
196 handle->closed = 1;
|
jbe@104
|
197 #if defined(TCP_NOPUSH)
|
jbe@96
|
198 luaL_error(L, "Unexpected error while setting TCP_NOPUSH with setsockopt: %s", errmsg);
|
jbe@96
|
199 #elif defined(TCP_CORK)
|
jbe@95
|
200 luaL_error(L, "Unexpected error while setting TCP_CORK with setsockopt: %s", errmsg);
|
jbe@104
|
201 #endif
|
jbe@95
|
202 }
|
jbe@95
|
203 handle->nopush = nopush;
|
jbe@96
|
204 #else
|
jbe@96
|
205 #warning Neither TCP_NOPUSH nor TCP_CORK is available
|
jbe@96
|
206 #endif
|
jbe@95
|
207 }
|
jbe@95
|
208
|
jbe@86
|
209 static int moonbr_io_read_impl(lua_State *L, int nonblocking, int drain) {
|
jbe@85
|
210 moonbr_io_handle_t *handle;
|
jbe@85
|
211 lua_Integer maxread;
|
jbe@85
|
212 const char *terminatorstr;
|
jbe@210
|
213 size_t terminatorlen;
|
jbe@210
|
214 char terminator = 0; /* initialize to avoid compiler warning */
|
jbe@85
|
215 luaL_Buffer luabuf;
|
jbe@85
|
216 size_t luabufcnt = 0;
|
jbe@105
|
217 int remaining;
|
jbe@85
|
218 char *terminatorpos;
|
jbe@103
|
219 ssize_t bytesread;
|
jbe@85
|
220 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@153
|
221 maxread = luaL_optinteger(L, 2, -1);
|
jbe@85
|
222 terminatorstr = luaL_optlstring(L, 3, "", &terminatorlen);
|
jbe@85
|
223 if (terminatorlen) {
|
jbe@85
|
224 luaL_argcheck(L, terminatorlen == 1, 3, "single byte expected");
|
jbe@85
|
225 terminator = terminatorstr[0];
|
jbe@85
|
226 }
|
jbe@86
|
227 lua_settop(L, 1); /* return handle on drain, terminator string may be garbage collected */
|
jbe@94
|
228 if (handle->closed) luaL_error(L, "Attempt to read from a closed I/O handle");
|
jbe@85
|
229 if (handle->readerr) {
|
jbe@85
|
230 lua_pushnil(L);
|
jbe@85
|
231 lua_pushliteral(L, "Previous read error");
|
jbe@85
|
232 return 2;
|
jbe@85
|
233 }
|
jbe@143
|
234 if (handle->fd < 0) {
|
jbe@143
|
235 /* fake EOF to simulate shutdown */
|
jbe@143
|
236 if (!drain) lua_pushliteral(L, "");
|
jbe@143
|
237 else lua_pushinteger(L, 0);
|
jbe@143
|
238 lua_pushliteral(L, "eof");
|
jbe@143
|
239 return 2;
|
jbe@143
|
240 }
|
jbe@105
|
241 handle->readerr = 1;
|
jbe@85
|
242 moonbr_io_handle_set_nonblocking(L, handle, nonblocking);
|
jbe@86
|
243 if (!drain) luaL_buffinit(L, &luabuf);
|
jbe@85
|
244 while (1) {
|
jbe@105
|
245 remaining = -1;
|
jbe@142
|
246 terminatorpos = NULL;
|
jbe@105
|
247 if (
|
jbe@153
|
248 maxread >= 0 &&
|
jbe@143
|
249 handle->readbufin - handle->readbufout >= (size_t)maxread - luabufcnt
|
jbe@105
|
250 ) {
|
jbe@142
|
251 remaining = (size_t)maxread - luabufcnt;
|
jbe@193
|
252 if (terminatorlen) {
|
jbe@193
|
253 terminatorpos = memchr(
|
jbe@193
|
254 handle->readbuf + handle->readbufout,
|
jbe@193
|
255 terminator,
|
jbe@193
|
256 remaining
|
jbe@193
|
257 );
|
jbe@193
|
258 }
|
jbe@85
|
259 } else if (terminatorlen) {
|
jbe@105
|
260 terminatorpos = memchr(
|
jbe@105
|
261 handle->readbuf + handle->readbufout,
|
jbe@105
|
262 terminator,
|
jbe@105
|
263 handle->readbufin - handle->readbufout
|
jbe@105
|
264 );
|
jbe@85
|
265 }
|
jbe@142
|
266 if (terminatorpos) remaining = 1 + (
|
jbe@142
|
267 terminatorpos - (handle->readbuf + handle->readbufout)
|
jbe@142
|
268 );
|
jbe@105
|
269 if (remaining >= 0) {
|
jbe@86
|
270 if (!drain) {
|
jbe@105
|
271 luaL_addlstring(
|
jbe@105
|
272 &luabuf,
|
jbe@105
|
273 handle->readbuf + handle->readbufout,
|
jbe@105
|
274 remaining
|
jbe@105
|
275 );
|
jbe@86
|
276 luaL_pushresult(&luabuf);
|
jbe@90
|
277 } else {
|
jbe@105
|
278 lua_pushinteger(L, luabufcnt + remaining);
|
jbe@86
|
279 }
|
jbe@143
|
280 if (terminatorpos) lua_pushliteral(L, "term");
|
jbe@143
|
281 else lua_pushliteral(L, "maxlen");
|
jbe@105
|
282 handle->readbufout += remaining;
|
jbe@105
|
283 if (handle->readbufout == handle->readbufin) {
|
jbe@105
|
284 handle->readbufin = 0;
|
jbe@143
|
285 handle->readbufout = 0;
|
jbe@105
|
286 }
|
jbe@104
|
287 handle->readerr = 0;
|
jbe@143
|
288 return 2;
|
jbe@85
|
289 }
|
jbe@105
|
290 if (!drain) luaL_addlstring(
|
jbe@105
|
291 &luabuf,
|
jbe@105
|
292 handle->readbuf + handle->readbufout,
|
jbe@105
|
293 handle->readbufin - handle->readbufout
|
jbe@105
|
294 );
|
jbe@105
|
295 luabufcnt += handle->readbufin - handle->readbufout;
|
jbe@143
|
296 handle->readbufout = 0;
|
jbe@249
|
297 #ifdef MOONBR_IO_USE_TLS
|
jbe@249
|
298 if (handle->tls) {
|
jbe@250
|
299 do {
|
jbe@250
|
300 if (!handle->tlshandshake) {
|
jbe@250
|
301 do bytesread = tls_handshake(handle->tls);
|
jbe@250
|
302 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
303 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
304 handle->tlshandshake = bytesread;
|
jbe@250
|
305 errno = EAGAIN;
|
jbe@250
|
306 break;
|
jbe@250
|
307 }
|
jbe@250
|
308 if (bytesread < 0) {
|
jbe@250
|
309 lua_pushnil(L);
|
jbe@250
|
310 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
311 return 2;
|
jbe@250
|
312 }
|
jbe@250
|
313 handle->tlshandshake = 1;
|
jbe@250
|
314 }
|
jbe@250
|
315 do bytesread = tls_read(handle->tls, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@250
|
316 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
317 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
318 errno = EAGAIN;
|
jbe@250
|
319 break;
|
jbe@250
|
320 }
|
jbe@250
|
321 if (bytesread < 0) {
|
jbe@250
|
322 lua_pushnil(L);
|
jbe@250
|
323 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
324 return 2;
|
jbe@250
|
325 }
|
jbe@250
|
326 } while (0);
|
jbe@249
|
327 }
|
jbe@249
|
328 else
|
jbe@249
|
329 #endif
|
jbe@249
|
330 do bytesread = read(handle->fd, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@249
|
331 while (bytesread < 0 && (errno == EINTR));
|
jbe@105
|
332 if (
|
jbe@105
|
333 bytesread == 0 || (
|
jbe@105
|
334 nonblocking &&
|
jbe@105
|
335 bytesread < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)
|
jbe@105
|
336 )
|
jbe@105
|
337 ) {
|
jbe@105
|
338 handle->readbufin = 0;
|
jbe@143
|
339 if (!drain) luaL_pushresult(&luabuf);
|
jbe@143
|
340 else lua_pushinteger(L, luabufcnt);
|
jbe@143
|
341 if (bytesread == 0) lua_pushliteral(L, "eof");
|
jbe@143
|
342 else lua_pushliteral(L, "block");
|
jbe@105
|
343 handle->readerr = 0;
|
jbe@143
|
344 return 2;
|
jbe@105
|
345 }
|
jbe@103
|
346 if (bytesread < 0) {
|
jbe@85
|
347 moonbr_io_errmsg();
|
jbe@85
|
348 lua_pushnil(L);
|
jbe@85
|
349 lua_pushstring(L, errmsg);
|
jbe@85
|
350 return 2;
|
jbe@85
|
351 }
|
jbe@105
|
352 handle->readbufin = bytesread;
|
jbe@86
|
353 }
|
jbe@85
|
354 }
|
jbe@85
|
355
|
jbe@85
|
356 static int moonbr_io_read(lua_State *L) {
|
jbe@86
|
357 return moonbr_io_read_impl(L, 0, 0);
|
jbe@85
|
358 }
|
jbe@85
|
359
|
jbe@85
|
360 static int moonbr_io_read_nb(lua_State *L) {
|
jbe@86
|
361 return moonbr_io_read_impl(L, 1, 0);
|
jbe@86
|
362 }
|
jbe@86
|
363
|
jbe@86
|
364 static int moonbr_io_drain(lua_State *L) {
|
jbe@86
|
365 return moonbr_io_read_impl(L, 0, 1);
|
jbe@86
|
366 }
|
jbe@86
|
367
|
jbe@86
|
368 static int moonbr_io_drain_nb(lua_State *L) {
|
jbe@86
|
369 return moonbr_io_read_impl(L, 1, 1);
|
jbe@85
|
370 }
|
jbe@85
|
371
|
jbe@140
|
372 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
373 static int moonbr_io_read_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@140
|
374 #else
|
jbe@140
|
375 static int moonbr_io_read_cont(lua_State *L) {
|
jbe@140
|
376 #endif
|
jbe@143
|
377 lua_Integer remaining;
|
jbe@143
|
378 size_t len;
|
jbe@140
|
379 #if !(LUA_VERSION_NUM >= 503)
|
jbe@140
|
380 int ctx = 0;
|
jbe@140
|
381 lua_getctx(L, &ctx);
|
jbe@140
|
382 #endif
|
jbe@140
|
383 remaining = lua_tointeger(L, 3);
|
jbe@140
|
384 while (1) {
|
jbe@140
|
385 lua_pushcfunction(L, moonbr_io_read_nb);
|
jbe@140
|
386 lua_pushvalue(L, 1);
|
jbe@140
|
387 lua_pushvalue(L, 3);
|
jbe@140
|
388 lua_pushvalue(L, 4);
|
jbe@140
|
389 lua_call(L, 3, 2);
|
jbe@143
|
390 if (lua_isnil(L, -2)) return 2;
|
jbe@143
|
391 lua_insert(L, -2);
|
jbe@143
|
392 len = lua_rawlen(L, -1);
|
jbe@143
|
393 if (ctx == 0) {
|
jbe@143
|
394 lua_replace(L, 5);
|
jbe@143
|
395 ctx = 1;
|
jbe@143
|
396 } else if (ctx == 1) {
|
jbe@143
|
397 lua_pushvalue(L, 5);
|
jbe@143
|
398 lua_newtable(L);
|
jbe@143
|
399 lua_replace(L, 5);
|
jbe@143
|
400 lua_rawseti(L, 5, 2);
|
jbe@143
|
401 lua_rawseti(L, 5, 1);
|
jbe@143
|
402 ctx = 2;
|
jbe@140
|
403 } else {
|
jbe@143
|
404 lua_rawseti(L, 5, lua_rawlen(L, 5) + 1);
|
jbe@140
|
405 }
|
jbe@144
|
406 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
407 lua_pop(L, 1);
|
jbe@144
|
408 if (remaining >= 0 && len) {
|
jbe@143
|
409 remaining -= len;
|
jbe@143
|
410 lua_pushinteger(L, remaining);
|
jbe@143
|
411 lua_replace(L, 3);
|
jbe@143
|
412 }
|
jbe@140
|
413 lua_pushvalue(L, 2);
|
jbe@152
|
414 lua_callk(L, 0, 0, ctx, moonbr_io_read_cont);
|
jbe@140
|
415 }
|
jbe@140
|
416 if (ctx == 1) {
|
jbe@140
|
417 lua_pushvalue(L, 5);
|
jbe@140
|
418 } else {
|
jbe@140
|
419 luaL_Buffer buf;
|
jbe@140
|
420 lua_Integer i, chunkcount;
|
jbe@140
|
421 chunkcount = lua_rawlen(L, 5);
|
jbe@140
|
422 luaL_buffinit(L, &buf);
|
jbe@140
|
423 for (i=1; i<=chunkcount && i>0; i++) {
|
jbe@140
|
424 lua_rawgeti(L, 5, i);
|
jbe@140
|
425 luaL_addvalue(&buf);
|
jbe@140
|
426 }
|
jbe@140
|
427 luaL_pushresult(&buf);
|
jbe@140
|
428 }
|
jbe@143
|
429 lua_pushvalue(L, -2);
|
jbe@143
|
430 return 2;
|
jbe@140
|
431 }
|
jbe@140
|
432
|
jbe@140
|
433 static int moonbr_io_read_call(lua_State *L) {
|
jbe@140
|
434 lua_settop(L, 4);
|
jbe@140
|
435 lua_pushnil(L);
|
jbe@140
|
436 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
437 return moonbr_io_read_cont(L, 0, 0);
|
jbe@140
|
438 #else
|
jbe@140
|
439 return moonbr_io_read_cont(L);
|
jbe@140
|
440 #endif
|
jbe@140
|
441 }
|
jbe@140
|
442
|
jbe@145
|
443 moonbr_io_yield_wrapper(moonbr_io_read_yield, moonbr_io_read_call);
|
jbe@140
|
444
|
jbe@144
|
445 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
446 static int moonbr_io_drain_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@144
|
447 #else
|
jbe@144
|
448 static int moonbr_io_drain_cont(lua_State *L) {
|
jbe@144
|
449 #endif
|
jbe@144
|
450 lua_Integer remaining, len;
|
jbe@144
|
451 size_t totallen = 0;
|
jbe@144
|
452 #if !(LUA_VERSION_NUM >= 503)
|
jbe@144
|
453 int ctx = 0;
|
jbe@144
|
454 lua_getctx(L, &ctx);
|
jbe@144
|
455 #endif
|
jbe@144
|
456 remaining = lua_tointeger(L, 3);
|
jbe@144
|
457 while (1) {
|
jbe@144
|
458 lua_pushcfunction(L, moonbr_io_drain_nb);
|
jbe@144
|
459 lua_pushvalue(L, 1);
|
jbe@144
|
460 lua_pushvalue(L, 3);
|
jbe@144
|
461 lua_pushvalue(L, 4);
|
jbe@144
|
462 lua_call(L, 3, 2);
|
jbe@144
|
463 if (lua_isnil(L, -2)) return 2;
|
jbe@144
|
464 lua_insert(L, -2);
|
jbe@144
|
465 len = lua_tointeger(L, -1);
|
jbe@144
|
466 lua_pop(L, 1);
|
jbe@144
|
467 totallen += len;
|
jbe@144
|
468 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
469 lua_pop(L, 1);
|
jbe@144
|
470 if (remaining >= 0 && len) {
|
jbe@144
|
471 remaining -= len;
|
jbe@144
|
472 lua_pushinteger(L, remaining);
|
jbe@144
|
473 lua_replace(L, 3);
|
jbe@144
|
474 }
|
jbe@144
|
475 lua_pushvalue(L, 2);
|
jbe@152
|
476 lua_callk(L, 0, 0, ctx, moonbr_io_drain_cont);
|
jbe@144
|
477 }
|
jbe@144
|
478 lua_pushinteger(L, totallen);
|
jbe@144
|
479 lua_pushvalue(L, -2);
|
jbe@144
|
480 return 2;
|
jbe@144
|
481 }
|
jbe@144
|
482
|
jbe@144
|
483 static int moonbr_io_drain_call(lua_State *L) {
|
jbe@144
|
484 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
485 return moonbr_io_drain_cont(L, 0, 0);
|
jbe@144
|
486 #else
|
jbe@144
|
487 return moonbr_io_drain_cont(L);
|
jbe@144
|
488 #endif
|
jbe@144
|
489 }
|
jbe@144
|
490
|
jbe@145
|
491 moonbr_io_yield_wrapper(moonbr_io_drain_yield, moonbr_io_drain_call);
|
jbe@144
|
492
|
jbe@250
|
493 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
494 #define moonbr_io_write_tls(buf, buflen) \
|
jbe@250
|
495 if (handle->tls) { \
|
jbe@250
|
496 do { \
|
jbe@250
|
497 if (!handle->tlshandshake) { \
|
jbe@250
|
498 do written = tls_handshake(handle->tls); \
|
jbe@250
|
499 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
500 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
501 handle->tlshandshake = written; \
|
jbe@250
|
502 errno = EAGAIN; \
|
jbe@250
|
503 break; \
|
jbe@250
|
504 } \
|
jbe@250
|
505 if (written < 0) { \
|
jbe@250
|
506 lua_pushnil(L); \
|
jbe@250
|
507 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
508 return 2; \
|
jbe@250
|
509 } \
|
jbe@250
|
510 handle->tlshandshake = 1; \
|
jbe@250
|
511 } \
|
jbe@250
|
512 do written = tls_write(handle->tls, (buf), (buflen)); \
|
jbe@250
|
513 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
514 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
515 errno = EAGAIN; \
|
jbe@250
|
516 break; \
|
jbe@250
|
517 } \
|
jbe@250
|
518 if (written < 0) { \
|
jbe@250
|
519 lua_pushnil(L); \
|
jbe@250
|
520 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
521 return 2; \
|
jbe@250
|
522 } \
|
jbe@250
|
523 } while (0); \
|
jbe@250
|
524 } \
|
jbe@250
|
525 else
|
jbe@250
|
526 #endif
|
jbe@250
|
527
|
jbe@81
|
528 static int moonbr_io_write_impl(lua_State *L, int nonblocking, int flush) {
|
jbe@80
|
529 moonbr_io_handle_t *handle;
|
jbe@80
|
530 int i, top;
|
jbe@80
|
531 const char *str;
|
jbe@92
|
532 size_t strlen;
|
jbe@103
|
533 ssize_t written;
|
jbe@80
|
534 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
535 if (handle->closed) luaL_error(L, "Attempt to write to a closed I/O handle");
|
jbe@94
|
536 if (handle->finished) luaL_error(L, "Attempt to write to a finished I/O handle");
|
jbe@81
|
537 if (handle->writeerr) {
|
jbe@80
|
538 lua_pushnil(L);
|
jbe@80
|
539 lua_pushliteral(L, "Previous write error");
|
jbe@80
|
540 return 2;
|
jbe@80
|
541 }
|
jbe@103
|
542 handle->writeerr = 1;
|
jbe@81
|
543 moonbr_io_handle_set_nonblocking(L, handle, nonblocking);
|
jbe@84
|
544 top = lua_gettop(L);
|
jbe@81
|
545 lua_getuservalue(L, 1);
|
jbe@103
|
546 lua_getfield(L, -1, "writequeue");
|
jbe@84
|
547 for (i=2; i<=top; i++) {
|
jbe@84
|
548 luaL_checklstring(L, i, &strlen);
|
jbe@84
|
549 lua_pushvalue(L, i);
|
jbe@84
|
550 lua_rawseti(L, -2, handle->writeqin++);
|
jbe@84
|
551 handle->writeleft += strlen;
|
jbe@81
|
552 }
|
jbe@132
|
553 if (flush) handle->flushedleft = handle->writeleft;
|
jbe@83
|
554 while (handle->writeqout != handle->writeqin) {
|
jbe@83
|
555 lua_rawgeti(L, -1, handle->writeqout);
|
jbe@81
|
556 str = lua_tolstring(L, -1, &strlen);
|
jbe@92
|
557 while (handle->writeqoff < strlen) {
|
jbe@103
|
558 if (
|
jbe@132
|
559 strlen - handle->writeqoff <
|
jbe@103
|
560 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
561 ) {
|
jbe@103
|
562 memcpy(
|
jbe@103
|
563 handle->writebuf + handle->writebufin,
|
jbe@103
|
564 str + handle->writeqoff,
|
jbe@103
|
565 strlen - handle->writeqoff
|
jbe@103
|
566 );
|
jbe@103
|
567 handle->writebufin += strlen - handle->writeqoff;
|
jbe@80
|
568 break;
|
jbe@80
|
569 } else {
|
jbe@103
|
570 memcpy(
|
jbe@103
|
571 handle->writebuf + handle->writebufin,
|
jbe@103
|
572 str + handle->writeqoff,
|
jbe@103
|
573 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
574 );
|
jbe@103
|
575 handle->writeqoff += MOONBR_IO_WRITEBUFLEN - handle->writebufin;
|
jbe@228
|
576 handle->writebufin = MOONBR_IO_WRITEBUFLEN;
|
jbe@103
|
577 while (handle->writebufout < MOONBR_IO_WRITEBUFLEN) {
|
jbe@133
|
578 moonbr_io_handle_set_nopush(L, handle, 1);
|
jbe@249
|
579 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
580 moonbr_io_write_tls(
|
jbe@250
|
581 handle->writebuf + handle->writebufout,
|
jbe@250
|
582 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@250
|
583 )
|
jbe@249
|
584 #endif
|
jbe@103
|
585 written = write(
|
jbe@103
|
586 handle->fd,
|
jbe@103
|
587 handle->writebuf + handle->writebufout,
|
jbe@103
|
588 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@103
|
589 );
|
jbe@103
|
590 if (written < 0) {
|
jbe@81
|
591 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@81
|
592 goto moonbr_io_write_impl_block;
|
jbe@81
|
593 } else if (errno != EINTR) {
|
jbe@80
|
594 moonbr_io_errmsg();
|
jbe@80
|
595 lua_pushnil(L);
|
jbe@80
|
596 lua_pushstring(L, errmsg);
|
jbe@80
|
597 return 2;
|
jbe@80
|
598 }
|
jbe@103
|
599 } else {
|
jbe@103
|
600 handle->writebufout += written;
|
jbe@103
|
601 handle->writeleft -= written;
|
jbe@133
|
602 if (handle->flushedleft) {
|
jbe@133
|
603 if (written >= handle->flushedleft) {
|
jbe@133
|
604 handle->flushedleft = 0;
|
jbe@133
|
605 moonbr_io_handle_set_nopush(L, handle, 0);
|
jbe@133
|
606 } else {
|
jbe@133
|
607 handle->flushedleft -= written;
|
jbe@133
|
608 }
|
jbe@133
|
609 }
|
jbe@80
|
610 }
|
jbe@80
|
611 }
|
jbe@103
|
612 handle->writebufin = 0;
|
jbe@103
|
613 handle->writebufout = 0;
|
jbe@80
|
614 }
|
jbe@80
|
615 }
|
jbe@81
|
616 handle->writeqoff = 0;
|
jbe@81
|
617 lua_pop(L, 1);
|
jbe@81
|
618 lua_pushnil(L);
|
jbe@83
|
619 lua_rawseti(L, -2, handle->writeqout++);
|
jbe@80
|
620 }
|
jbe@132
|
621 while (handle->flushedleft) {
|
jbe@133
|
622 moonbr_io_handle_set_nopush(L, handle, 1);
|
jbe@249
|
623 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
624 moonbr_io_write_tls(
|
jbe@250
|
625 handle->writebuf + handle->writebufout,
|
jbe@250
|
626 handle->writebufin - handle->writebufout
|
jbe@250
|
627 )
|
jbe@249
|
628 #endif
|
jbe@132
|
629 written = write(
|
jbe@132
|
630 handle->fd,
|
jbe@132
|
631 handle->writebuf + handle->writebufout,
|
jbe@132
|
632 handle->writebufin - handle->writebufout
|
jbe@132
|
633 );
|
jbe@132
|
634 if (written < 0) {
|
jbe@132
|
635 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@132
|
636 goto moonbr_io_write_impl_block;
|
jbe@132
|
637 } else if (errno != EINTR) {
|
jbe@132
|
638 moonbr_io_errmsg();
|
jbe@132
|
639 lua_pushnil(L);
|
jbe@132
|
640 lua_pushstring(L, errmsg);
|
jbe@132
|
641 return 2;
|
jbe@81
|
642 }
|
jbe@132
|
643 } else {
|
jbe@132
|
644 handle->writebufout += written;
|
jbe@132
|
645 handle->writeleft -= written;
|
jbe@133
|
646 if (handle->flushedleft) {
|
jbe@133
|
647 if (written >= handle->flushedleft) {
|
jbe@133
|
648 handle->flushedleft = 0;
|
jbe@133
|
649 moonbr_io_handle_set_nopush(L, handle, 0);
|
jbe@133
|
650 } else {
|
jbe@133
|
651 handle->flushedleft -= written;
|
jbe@133
|
652 }
|
jbe@133
|
653 }
|
jbe@81
|
654 }
|
jbe@132
|
655 }
|
jbe@132
|
656 if (handle->writebufout == handle->writebufin) {
|
jbe@103
|
657 handle->writebufin = 0;
|
jbe@103
|
658 handle->writebufout = 0;
|
jbe@81
|
659 }
|
jbe@103
|
660 if (nonblocking) lua_pushinteger(L, 0);
|
jbe@103
|
661 else lua_pushvalue(L, 1);
|
jbe@103
|
662 handle->writeerr = 0;
|
jbe@80
|
663 return 1;
|
jbe@81
|
664 moonbr_io_write_impl_block:
|
jbe@91
|
665 lua_pushinteger(L, handle->writeleft);
|
jbe@103
|
666 handle->writeerr = 0;
|
jbe@81
|
667 return 1;
|
jbe@81
|
668 }
|
jbe@81
|
669
|
jbe@81
|
670 static int moonbr_io_write(lua_State *L) {
|
jbe@81
|
671 return moonbr_io_write_impl(L, 0, 0);
|
jbe@81
|
672 }
|
jbe@81
|
673
|
jbe@81
|
674 static int moonbr_io_write_nb(lua_State *L) {
|
jbe@81
|
675 return moonbr_io_write_impl(L, 1, 0);
|
jbe@80
|
676 }
|
jbe@80
|
677
|
jbe@80
|
678 static int moonbr_io_flush(lua_State *L) {
|
jbe@81
|
679 return moonbr_io_write_impl(L, 0, 1);
|
jbe@81
|
680 }
|
jbe@81
|
681
|
jbe@81
|
682 static int moonbr_io_flush_nb(lua_State *L) {
|
jbe@81
|
683 return moonbr_io_write_impl(L, 1, 1);
|
jbe@80
|
684 }
|
jbe@80
|
685
|
jbe@145
|
686 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
687 static int moonbr_io_write_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@145
|
688 #else
|
jbe@145
|
689 static int moonbr_io_write_cont(lua_State *L) {
|
jbe@145
|
690 #endif
|
jbe@145
|
691 while (1) {
|
jbe@145
|
692 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
693 lua_pushvalue(L, 1);
|
jbe@145
|
694 lua_call(L, 1, 2);
|
jbe@145
|
695 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
696 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
697 lua_pushvalue(L, 1);
|
jbe@145
|
698 return 1;
|
jbe@145
|
699 }
|
jbe@145
|
700 lua_pop(L, 2);
|
jbe@145
|
701 lua_pushvalue(L, 2);
|
jbe@152
|
702 lua_callk(L, 0, 0, 0, moonbr_io_write_cont);
|
jbe@145
|
703 }
|
jbe@145
|
704 }
|
jbe@145
|
705
|
jbe@145
|
706 static int moonbr_io_write_call(lua_State *L) {
|
jbe@145
|
707 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
708 lua_insert(L, 3);
|
jbe@145
|
709 lua_pushvalue(L, 1);
|
jbe@145
|
710 lua_insert(L, 4);
|
jbe@145
|
711 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
712 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
713 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
714 lua_pushvalue(L, 1);
|
jbe@145
|
715 return 1;
|
jbe@145
|
716 }
|
jbe@145
|
717 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
718 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
719 #else
|
jbe@145
|
720 return moonbr_io_write_cont(L);
|
jbe@145
|
721 #endif
|
jbe@145
|
722 }
|
jbe@145
|
723
|
jbe@145
|
724 moonbr_io_yield_wrapper(moonbr_io_write_yield, moonbr_io_write_call);
|
jbe@145
|
725
|
jbe@145
|
726 static int moonbr_io_flush_call(lua_State *L) {
|
jbe@145
|
727 lua_pushcfunction(L, moonbr_io_flush_nb);
|
jbe@145
|
728 lua_insert(L, 3);
|
jbe@145
|
729 lua_pushvalue(L, 1);
|
jbe@145
|
730 lua_insert(L, 4);
|
jbe@145
|
731 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
732 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
733 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
734 lua_pushvalue(L, 1);
|
jbe@145
|
735 return 1;
|
jbe@145
|
736 }
|
jbe@145
|
737 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
738 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
739 #else
|
jbe@145
|
740 return moonbr_io_write_cont(L);
|
jbe@145
|
741 #endif
|
jbe@145
|
742 }
|
jbe@145
|
743
|
jbe@145
|
744 moonbr_io_yield_wrapper(moonbr_io_flush_yield, moonbr_io_flush_call);
|
jbe@145
|
745
|
jbe@88
|
746 static int moonbr_io_finish(lua_State *L) {
|
jbe@88
|
747 moonbr_io_handle_t *handle;
|
jbe@88
|
748 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
749 if (handle->closed) luaL_error(L, "Attempt to finish a closed I/O handle");
|
jbe@94
|
750 if (handle->finished) luaL_error(L, "Attempt to finish a finished I/O handle");
|
jbe@94
|
751 if (handle->writeleft) {
|
jbe@94
|
752 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@94
|
753 lua_pushvalue(L, 1);
|
jbe@116
|
754 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@116
|
755 handle->finished = 1;
|
jbe@116
|
756 lua_error(L);
|
jbe@116
|
757 }
|
jbe@94
|
758 if (!lua_toboolean(L, -2)) {
|
jbe@94
|
759 handle->finished = 1;
|
jbe@94
|
760 return 2;
|
jbe@88
|
761 }
|
jbe@94
|
762 }
|
jbe@94
|
763 handle->finished = 1;
|
jbe@107
|
764 if (handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) {
|
jbe@88
|
765 if (shutdown(handle->fd, SHUT_WR)) {
|
jbe@88
|
766 moonbr_io_errmsg();
|
jbe@88
|
767 lua_pushnil(L);
|
jbe@88
|
768 lua_pushstring(L, errmsg);
|
jbe@88
|
769 return 2;
|
jbe@88
|
770 }
|
jbe@94
|
771 } else {
|
jbe@251
|
772 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
773 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
774 #endif
|
jbe@94
|
775 if (close(handle->fd)) {
|
jbe@94
|
776 moonbr_io_errmsg();
|
jbe@94
|
777 handle->fd = -1;
|
jbe@94
|
778 lua_pushnil(L);
|
jbe@94
|
779 lua_pushstring(L, errmsg);
|
jbe@94
|
780 return 2;
|
jbe@94
|
781 }
|
jbe@94
|
782 handle->fd = -1; /* fake EOF on read */
|
jbe@88
|
783 }
|
jbe@88
|
784 lua_pushboolean(L, 1);
|
jbe@88
|
785 return 1;
|
jbe@88
|
786 }
|
jbe@88
|
787
|
jbe@94
|
788 static int moonbr_io_close_impl(lua_State *L, int reset) {
|
jbe@83
|
789 moonbr_io_handle_t *handle;
|
jbe@83
|
790 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
791 if (handle->closed) luaL_error(L, "Attempt to close a closed I/O handle");
|
jbe@94
|
792 if (!reset) {
|
jbe@87
|
793 if (handle->writeleft) {
|
jbe@87
|
794 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@87
|
795 lua_pushvalue(L, 1);
|
jbe@116
|
796 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@129
|
797 handle->closed = 1;
|
jbe@251
|
798 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
799 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
800 #endif
|
jbe@116
|
801 close(handle->fd);
|
jbe@116
|
802 handle->fd = -1;
|
jbe@116
|
803 lua_error(L);
|
jbe@116
|
804 }
|
jbe@129
|
805 handle->closed = 1;
|
jbe@87
|
806 if (!lua_toboolean(L, -2)) {
|
jbe@251
|
807 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
808 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
809 #endif
|
jbe@87
|
810 close(handle->fd);
|
jbe@87
|
811 handle->fd = -1;
|
jbe@87
|
812 return 2;
|
jbe@87
|
813 }
|
jbe@129
|
814 } else {
|
jbe@129
|
815 handle->closed = 1;
|
jbe@129
|
816 moonbr_io_handle_set_linger(L, handle, -1);
|
jbe@83
|
817 }
|
jbe@129
|
818 } else {
|
jbe@129
|
819 handle->closed = 1;
|
jbe@83
|
820 }
|
jbe@94
|
821 if (handle->fd >= 0) {
|
jbe@251
|
822 #ifdef MOONBR_IO_USE_TLS
|
jbe@251
|
823 if (handle->tls) tls_close(handle->tls);
|
jbe@251
|
824 #endif
|
jbe@94
|
825 if (close(handle->fd)) {
|
jbe@94
|
826 moonbr_io_errmsg();
|
jbe@94
|
827 handle->fd = -1;
|
jbe@94
|
828 lua_pushnil(L);
|
jbe@94
|
829 lua_pushstring(L, errmsg);
|
jbe@94
|
830 return 2;
|
jbe@94
|
831 }
|
jbe@104
|
832 handle->fd = -1;
|
jbe@83
|
833 }
|
jbe@83
|
834 lua_pushboolean(L, 1);
|
jbe@83
|
835 return 1;
|
jbe@84
|
836
|
jbe@83
|
837 }
|
jbe@83
|
838
|
jbe@94
|
839 static int moonbr_io_close(lua_State *L) {
|
jbe@94
|
840 return moonbr_io_close_impl(L, 0);
|
jbe@94
|
841 }
|
jbe@94
|
842
|
jbe@84
|
843 static int moonbr_io_reset(lua_State *L) {
|
jbe@94
|
844 return moonbr_io_close_impl(L, 1);
|
jbe@84
|
845 }
|
jbe@84
|
846
|
jbe@108
|
847 static int moonbr_io_handlegc(lua_State *L) {
|
jbe@88
|
848 moonbr_io_handle_t *handle;
|
jbe@88
|
849 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@88
|
850 if (handle->fd >= 0) {
|
jbe@218
|
851 lua_pushcfunction(L, moonbr_io_reset);
|
jbe@88
|
852 lua_pushvalue(L, 1);
|
jbe@88
|
853 lua_pushinteger(L, 0);
|
jbe@88
|
854 lua_call(L, 2, 0);
|
jbe@88
|
855 }
|
jbe@246
|
856 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
857 if (handle->tls) {
|
jbe@246
|
858 tls_free(handle->tls);
|
jbe@246
|
859 handle->tls = NULL;
|
jbe@246
|
860 }
|
jbe@246
|
861 if (handle->servertls) {
|
jbe@246
|
862 tls_free(handle->servertls);
|
jbe@246
|
863 handle->servertls = NULL;
|
jbe@246
|
864 }
|
jbe@246
|
865 #endif
|
jbe@88
|
866 return 0;
|
jbe@88
|
867 }
|
jbe@88
|
868
|
jbe@100
|
869 void moonbr_io_closehandle(lua_State *L, int idx, int reset) {
|
jbe@88
|
870 moonbr_io_handle_t *handle;
|
jbe@88
|
871 handle = luaL_checkudata(L, idx, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@100
|
872 if (!handle->closed) {
|
jbe@100
|
873 lua_pushcfunction(L, reset ? moonbr_io_reset : moonbr_io_close);
|
jbe@100
|
874 lua_pushvalue(L, idx < 0 ? idx-1 : idx);
|
jbe@100
|
875 lua_call(L, 1, 0);
|
jbe@88
|
876 }
|
jbe@88
|
877 }
|
jbe@88
|
878
|
jbe@208
|
879 static int moonbr_io_pushhandle_impl(lua_State *L) {
|
jbe@208
|
880 int *fd;
|
jbe@79
|
881 moonbr_io_handle_t *handle;
|
jbe@107
|
882 struct sockaddr addr;
|
jbe@107
|
883 socklen_t addrlen;
|
jbe@208
|
884 fd = lua_touserdata(L, 1);
|
jbe@79
|
885 handle = lua_newuserdata(L, sizeof(moonbr_io_handle_t));
|
jbe@208
|
886 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@107
|
887 addrlen = sizeof(addr);
|
jbe@208
|
888 if (getsockname(*fd, &addr, &addrlen)) {
|
jbe@107
|
889 if (errno != ENOTSOCK) {
|
jbe@107
|
890 moonbr_io_errmsg();
|
jbe@107
|
891 luaL_error(L, "Unexpected error when examining socket: %s", errmsg);
|
jbe@107
|
892 }
|
jbe@107
|
893 handle->issock = 0;
|
jbe@107
|
894 } else {
|
jbe@107
|
895 handle->issock = 1;
|
jbe@107
|
896 handle->addrfam = addr.sa_family;
|
jbe@107
|
897 }
|
jbe@94
|
898 handle->finished = 0;
|
jbe@94
|
899 handle->closed = 0;
|
jbe@81
|
900 handle->nonblocking = -1;
|
jbe@95
|
901 handle->nopush = -1;
|
jbe@85
|
902 handle->readerr = 0;
|
jbe@105
|
903 handle->readbufin = 0;
|
jbe@105
|
904 handle->readbufout = 0;
|
jbe@81
|
905 handle->writeerr = 0;
|
jbe@81
|
906 handle->writeleft = 0;
|
jbe@132
|
907 handle->flushedleft = 0;
|
jbe@83
|
908 handle->writeqin = 0;
|
jbe@83
|
909 handle->writeqout = 0;
|
jbe@81
|
910 handle->writeqoff = 0;
|
jbe@103
|
911 handle->writebufin = 0;
|
jbe@103
|
912 handle->writebufout = 0;
|
jbe@246
|
913 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
914 handle->tls = NULL;
|
jbe@246
|
915 handle->servertls = NULL;
|
jbe@250
|
916 handle->tlshandshake = 0;
|
jbe@246
|
917 #endif
|
jbe@208
|
918 handle->fd = *fd; /* required for set_linger call */
|
jbe@87
|
919 moonbr_io_handle_set_linger(L, handle, 0);
|
jbe@208
|
920 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@238
|
921 luaL_setmetatable(L, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
922 lua_newtable(L); // uservalue
|
jbe@81
|
923 lua_newtable(L);
|
jbe@103
|
924 lua_setfield(L, -2, "writequeue");
|
jbe@79
|
925 lua_newtable(L); // public
|
jbe@107
|
926 if (handle->addrfam == AF_INET6) {
|
jbe@107
|
927 struct sockaddr_in6 addr_in6;
|
jbe@107
|
928 char addrstrbuf[INET6_ADDRSTRLEN];
|
jbe@107
|
929 const char *addrstr;
|
jbe@107
|
930 addrlen = sizeof(addr_in6);
|
jbe@208
|
931 if (getsockname(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@107
|
932 moonbr_io_errmsg();
|
jbe@107
|
933 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
934 }
|
jbe@107
|
935 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
936 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
937 }
|
jbe@107
|
938 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
939 if (!addrstr) {
|
jbe@107
|
940 moonbr_io_errmsg();
|
jbe@107
|
941 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
942 } else {
|
jbe@107
|
943 lua_pushstring(L, addrstr);
|
jbe@107
|
944 lua_setfield(L, -2, "local_ip6");
|
jbe@107
|
945 }
|
jbe@107
|
946 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
947 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
948 if (getpeername(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@107
|
949 moonbr_io_errmsg();
|
jbe@107
|
950 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
951 }
|
jbe@107
|
952 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
953 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
954 }
|
jbe@107
|
955 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
956 if (!addrstr) {
|
jbe@107
|
957 moonbr_io_errmsg();
|
jbe@107
|
958 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
959 } else {
|
jbe@107
|
960 lua_pushstring(L, addrstr);
|
jbe@107
|
961 lua_setfield(L, -2, "remote_ip6");
|
jbe@107
|
962 }
|
jbe@107
|
963 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
964 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
965 } else if (handle->addrfam == AF_INET) {
|
jbe@107
|
966 struct sockaddr_in addr_in;
|
jbe@107
|
967 char addrstrbuf[INET_ADDRSTRLEN];
|
jbe@107
|
968 const char *addrstr;
|
jbe@107
|
969 addrlen = sizeof(addr_in);
|
jbe@208
|
970 if (getsockname(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@107
|
971 moonbr_io_errmsg();
|
jbe@107
|
972 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
973 }
|
jbe@107
|
974 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
975 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
976 }
|
jbe@107
|
977 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
978 if (!addrstr) {
|
jbe@107
|
979 moonbr_io_errmsg();
|
jbe@107
|
980 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
981 } else {
|
jbe@107
|
982 lua_pushstring(L, addrstr);
|
jbe@107
|
983 lua_setfield(L, -2, "local_ip4");
|
jbe@107
|
984 }
|
jbe@107
|
985 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
986 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
987 if (getpeername(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@107
|
988 moonbr_io_errmsg();
|
jbe@107
|
989 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
990 }
|
jbe@107
|
991 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
992 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
993 }
|
jbe@107
|
994 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
995 if (!addrstr) {
|
jbe@107
|
996 moonbr_io_errmsg();
|
jbe@107
|
997 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
998 } else {
|
jbe@107
|
999 lua_pushstring(L, addrstr);
|
jbe@107
|
1000 lua_setfield(L, -2, "remote_ip4");
|
jbe@107
|
1001 }
|
jbe@107
|
1002 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
1003 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
1004 }
|
jbe@238
|
1005 luaL_setmetatable(L, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
1006 lua_setfield(L, -2, "public");
|
jbe@79
|
1007 lua_setuservalue(L, -2);
|
jbe@208
|
1008 handle->fd = *fd;
|
jbe@208
|
1009 *fd = -1; /* closing is now handled by garbage collection */
|
jbe@208
|
1010 return 1;
|
jbe@208
|
1011 }
|
jbe@208
|
1012
|
jbe@208
|
1013 void moonbr_io_pushhandle(lua_State *L, int fd) {
|
jbe@208
|
1014 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1015 lua_pushlightuserdata(L, &fd);
|
jbe@208
|
1016 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@251
|
1017 if (fd != -1) close(fd); // TODO: correct to close file descriptor here?
|
jbe@208
|
1018 lua_error(L);
|
jbe@208
|
1019 }
|
jbe@79
|
1020 }
|
jbe@79
|
1021
|
jbe@79
|
1022 static int moonbr_io_handleindex(lua_State *L) {
|
jbe@80
|
1023 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1024 luaL_checkany(L, 2);
|
jbe@79
|
1025 lua_getuservalue(L, 1);
|
jbe@79
|
1026 lua_getfield(L, -1, "public");
|
jbe@79
|
1027 lua_pushvalue(L, 2);
|
jbe@79
|
1028 lua_gettable(L, -2);
|
jbe@79
|
1029 return 1;
|
jbe@79
|
1030 }
|
jbe@79
|
1031
|
jbe@79
|
1032 static int moonbr_io_handlenewindex(lua_State *L) {
|
jbe@80
|
1033 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1034 luaL_checkany(L, 2);
|
jbe@205
|
1035 luaL_checkany(L, 3);
|
jbe@79
|
1036 lua_getuservalue(L, 1);
|
jbe@79
|
1037 lua_getfield(L, -1, "public");
|
jbe@79
|
1038 lua_pushvalue(L, 2);
|
jbe@79
|
1039 lua_pushvalue(L, 3);
|
jbe@79
|
1040 lua_settable(L, -3);
|
jbe@79
|
1041 return 0;
|
jbe@79
|
1042 }
|
jbe@79
|
1043
|
jbe@111
|
1044 static int moonbr_io_localconnect_impl(lua_State *L, int nonblocking) {
|
jbe@111
|
1045 const char *path;
|
jbe@111
|
1046 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@111
|
1047 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@111
|
1048 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@111
|
1049 ) - 1; /* one byte for termination */
|
jbe@111
|
1050 int sock;
|
jbe@111
|
1051 path = luaL_checkstring(L, 1);
|
jbe@111
|
1052 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@111
|
1053 strcpy(sockaddr.sun_path, path);
|
jbe@111
|
1054 sock = socket(
|
jbe@111
|
1055 PF_LOCAL,
|
jbe@111
|
1056 SOCK_STREAM | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@111
|
1057 0
|
jbe@111
|
1058 );
|
jbe@111
|
1059 if (sock < 0) {
|
jbe@111
|
1060 moonbr_io_errmsg();
|
jbe@111
|
1061 lua_pushnil(L);
|
jbe@111
|
1062 lua_pushstring(L, errmsg);
|
jbe@111
|
1063 return 2;
|
jbe@111
|
1064 }
|
jbe@111
|
1065 if (connect(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@111
|
1066 if (!nonblocking && errno == EINTR) {
|
jbe@111
|
1067 moonbr_io_errmsg();
|
jbe@111
|
1068 close(sock);
|
jbe@111
|
1069 lua_pushnil(L);
|
jbe@111
|
1070 lua_pushstring(L, errmsg);
|
jbe@111
|
1071 return 2;
|
jbe@111
|
1072 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) {
|
jbe@111
|
1073 moonbr_io_errmsg();
|
jbe@111
|
1074 lua_pushnil(L);
|
jbe@111
|
1075 lua_pushstring(L, errmsg);
|
jbe@111
|
1076 return 2;
|
jbe@111
|
1077 }
|
jbe@111
|
1078 }
|
jbe@111
|
1079 moonbr_io_pushhandle(L, sock);
|
jbe@111
|
1080 return 1;
|
jbe@111
|
1081 }
|
jbe@111
|
1082
|
jbe@111
|
1083 static int moonbr_io_localconnect(lua_State *L) {
|
jbe@111
|
1084 return moonbr_io_localconnect_impl(L, 0);
|
jbe@111
|
1085 }
|
jbe@111
|
1086
|
jbe@111
|
1087 static int moonbr_io_localconnect_nb(lua_State *L) {
|
jbe@111
|
1088 return moonbr_io_localconnect_impl(L, 1);
|
jbe@111
|
1089 }
|
jbe@111
|
1090
|
jbe@99
|
1091 static int moonbr_io_tcpconnect_impl(lua_State *L, int nonblocking) {
|
jbe@98
|
1092 const char *host, *port;
|
jbe@98
|
1093 struct addrinfo hints = { 0, };
|
jbe@98
|
1094 struct addrinfo *res, *addrinfo;
|
jbe@98
|
1095 int errcode;
|
jbe@98
|
1096 int sock;
|
jbe@98
|
1097 host = luaL_checkstring(L, 1);
|
jbe@98
|
1098 port = luaL_checkstring(L, 2);
|
jbe@98
|
1099 hints.ai_family = AF_UNSPEC;
|
jbe@98
|
1100 hints.ai_socktype = SOCK_STREAM;
|
jbe@98
|
1101 hints.ai_protocol = IPPROTO_TCP;
|
jbe@98
|
1102 hints.ai_flags = AI_ADDRCONFIG;
|
jbe@98
|
1103 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@98
|
1104 if (errcode) {
|
jbe@102
|
1105 freeaddrinfo(res);
|
jbe@98
|
1106 if (errcode == EAI_SYSTEM) {
|
jbe@98
|
1107 moonbr_io_errmsg();
|
jbe@98
|
1108 lua_pushnil(L);
|
jbe@98
|
1109 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@98
|
1110 } else {
|
jbe@98
|
1111 lua_pushnil(L);
|
jbe@98
|
1112 lua_pushstring(L, gai_strerror(errcode));
|
jbe@98
|
1113 }
|
jbe@98
|
1114 return 2;
|
jbe@98
|
1115 }
|
jbe@98
|
1116 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1117 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1118 }
|
jbe@98
|
1119 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1120 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1121 }
|
jbe@98
|
1122 addrinfo = res;
|
jbe@98
|
1123 moonbr_io_tcpconnect_found:
|
jbe@99
|
1124 sock = socket(
|
jbe@134
|
1125 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@99
|
1126 addrinfo->ai_socktype | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@99
|
1127 addrinfo->ai_protocol
|
jbe@99
|
1128 );
|
jbe@98
|
1129 if (sock < 0) {
|
jbe@98
|
1130 moonbr_io_errmsg();
|
jbe@108
|
1131 freeaddrinfo(res);
|
jbe@98
|
1132 lua_pushnil(L);
|
jbe@98
|
1133 lua_pushstring(L, errmsg);
|
jbe@108
|
1134 return 2;
|
jbe@98
|
1135 }
|
jbe@98
|
1136 if (connect(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
1137 freeaddrinfo(res);
|
jbe@99
|
1138 if (!nonblocking && errno == EINTR) {
|
jbe@99
|
1139 moonbr_io_errmsg();
|
jbe@99
|
1140 close(sock);
|
jbe@99
|
1141 lua_pushnil(L);
|
jbe@99
|
1142 lua_pushstring(L, errmsg);
|
jbe@99
|
1143 return 2;
|
jbe@99
|
1144 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) {
|
jbe@99
|
1145 moonbr_io_errmsg();
|
jbe@99
|
1146 lua_pushnil(L);
|
jbe@99
|
1147 lua_pushstring(L, errmsg);
|
jbe@99
|
1148 return 2;
|
jbe@99
|
1149 }
|
jbe@108
|
1150 } else {
|
jbe@108
|
1151 freeaddrinfo(res);
|
jbe@98
|
1152 }
|
jbe@107
|
1153 moonbr_io_pushhandle(L, sock);
|
jbe@98
|
1154 return 1;
|
jbe@98
|
1155 }
|
jbe@98
|
1156
|
jbe@99
|
1157 static int moonbr_io_tcpconnect(lua_State *L) {
|
jbe@99
|
1158 return moonbr_io_tcpconnect_impl(L, 0);
|
jbe@99
|
1159 }
|
jbe@99
|
1160
|
jbe@99
|
1161 static int moonbr_io_tcpconnect_nb(lua_State *L) {
|
jbe@99
|
1162 return moonbr_io_tcpconnect_impl(L, 1);
|
jbe@99
|
1163 }
|
jbe@99
|
1164
|
jbe@112
|
1165 static int moonbr_io_locallisten(lua_State *L) {
|
jbe@112
|
1166 moonbr_io_listener_t *listener;
|
jbe@112
|
1167 const char *path;
|
jbe@118
|
1168 struct stat sb;
|
jbe@112
|
1169 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@112
|
1170 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@112
|
1171 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@112
|
1172 ) - 1; /* one byte for termination */
|
jbe@112
|
1173 int sock;
|
jbe@112
|
1174 path = luaL_checkstring(L, 1);
|
jbe@112
|
1175 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@112
|
1176 strcpy(sockaddr.sun_path, path);
|
jbe@118
|
1177 if (stat(path, &sb) == 0) {
|
jbe@118
|
1178 if (S_ISSOCK(sb.st_mode)) unlink(path);
|
jbe@118
|
1179 }
|
jbe@112
|
1180 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1181 listener->fd = -1;
|
jbe@112
|
1182 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@112
|
1183 sock = socket(
|
jbe@112
|
1184 PF_LOCAL,
|
jbe@112
|
1185 SOCK_STREAM | SOCK_CLOEXEC,
|
jbe@112
|
1186 0
|
jbe@112
|
1187 );
|
jbe@112
|
1188 if (sock < 0) {
|
jbe@112
|
1189 moonbr_io_errmsg();
|
jbe@112
|
1190 lua_pushnil(L);
|
jbe@112
|
1191 lua_pushstring(L, errmsg);
|
jbe@112
|
1192 return 2;
|
jbe@112
|
1193 }
|
jbe@112
|
1194 if (bind(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@112
|
1195 moonbr_io_errmsg();
|
jbe@112
|
1196 close(sock);
|
jbe@112
|
1197 lua_pushnil(L);
|
jbe@112
|
1198 lua_pushstring(L, errmsg);
|
jbe@112
|
1199 return 2;
|
jbe@112
|
1200 }
|
jbe@112
|
1201 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@112
|
1202 moonbr_io_errmsg();
|
jbe@112
|
1203 close(sock);
|
jbe@112
|
1204 lua_pushnil(L);
|
jbe@112
|
1205 lua_pushstring(L, errmsg);
|
jbe@112
|
1206 return 2;
|
jbe@112
|
1207 }
|
jbe@112
|
1208 listener->fd = sock;
|
jbe@118
|
1209 listener->addrfam = AF_LOCAL;
|
jbe@112
|
1210 listener->nonblocking = -1;
|
jbe@112
|
1211 return 1;
|
jbe@112
|
1212 }
|
jbe@112
|
1213
|
jbe@108
|
1214 static int moonbr_io_tcplisten(lua_State *L) {
|
jbe@108
|
1215 moonbr_io_listener_t *listener;
|
jbe@108
|
1216 const char *host, *port;
|
jbe@108
|
1217 struct addrinfo hints = { 0, };
|
jbe@108
|
1218 struct addrinfo *res, *addrinfo;
|
jbe@108
|
1219 int errcode;
|
jbe@108
|
1220 int sock;
|
jbe@108
|
1221 host = luaL_optstring(L, 1, NULL);
|
jbe@108
|
1222 port = luaL_checkstring(L, 2);
|
jbe@108
|
1223 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1224 listener->fd = -1;
|
jbe@108
|
1225 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1226 hints.ai_family = AF_UNSPEC;
|
jbe@108
|
1227 hints.ai_socktype = SOCK_STREAM;
|
jbe@108
|
1228 hints.ai_protocol = IPPROTO_TCP;
|
jbe@108
|
1229 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
|
jbe@108
|
1230 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@108
|
1231 if (errcode) {
|
jbe@108
|
1232 freeaddrinfo(res);
|
jbe@108
|
1233 if (errcode == EAI_SYSTEM) {
|
jbe@108
|
1234 moonbr_io_errmsg();
|
jbe@108
|
1235 lua_pushnil(L);
|
jbe@108
|
1236 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@108
|
1237 } else {
|
jbe@108
|
1238 lua_pushnil(L);
|
jbe@108
|
1239 lua_pushstring(L, gai_strerror(errcode));
|
jbe@108
|
1240 }
|
jbe@108
|
1241 return 2;
|
jbe@108
|
1242 }
|
jbe@108
|
1243 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1244 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1245 }
|
jbe@108
|
1246 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1247 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1248 }
|
jbe@108
|
1249 addrinfo = res;
|
jbe@108
|
1250 moonbr_io_tcpconnect_found:
|
jbe@118
|
1251 listener->addrfam = addrinfo->ai_family;
|
jbe@108
|
1252 sock = socket(
|
jbe@134
|
1253 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@108
|
1254 addrinfo->ai_socktype | SOCK_CLOEXEC,
|
jbe@108
|
1255 addrinfo->ai_protocol
|
jbe@108
|
1256 );
|
jbe@108
|
1257 if (sock < 0) {
|
jbe@108
|
1258 moonbr_io_errmsg();
|
jbe@108
|
1259 freeaddrinfo(res);
|
jbe@108
|
1260 lua_pushnil(L);
|
jbe@108
|
1261 lua_pushstring(L, errmsg);
|
jbe@108
|
1262 return 2;
|
jbe@108
|
1263 }
|
jbe@120
|
1264 {
|
jbe@120
|
1265 static const int reuseval = 1;
|
jbe@120
|
1266 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuseval, sizeof(reuseval))) {
|
jbe@120
|
1267 moonbr_io_errmsg();
|
jbe@120
|
1268 freeaddrinfo(res);
|
jbe@120
|
1269 close(sock);
|
jbe@120
|
1270 lua_pushnil(L);
|
jbe@120
|
1271 lua_pushfstring(L, "Error while setting SO_REUSEADDR with setsockopt: %s", errmsg);
|
jbe@120
|
1272 return 2;
|
jbe@120
|
1273 }
|
jbe@120
|
1274 }
|
jbe@108
|
1275 if (bind(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
1276 moonbr_io_errmsg();
|
jbe@108
|
1277 freeaddrinfo(res);
|
jbe@108
|
1278 close(sock);
|
jbe@108
|
1279 lua_pushnil(L);
|
jbe@108
|
1280 lua_pushstring(L, errmsg);
|
jbe@108
|
1281 return 2;
|
jbe@108
|
1282 }
|
jbe@108
|
1283 freeaddrinfo(res);
|
jbe@108
|
1284 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@108
|
1285 moonbr_io_errmsg();
|
jbe@108
|
1286 close(sock);
|
jbe@108
|
1287 lua_pushnil(L);
|
jbe@108
|
1288 lua_pushstring(L, errmsg);
|
jbe@108
|
1289 return 2;
|
jbe@108
|
1290 }
|
jbe@108
|
1291 listener->fd = sock;
|
jbe@108
|
1292 listener->nonblocking = -1;
|
jbe@108
|
1293 return 1;
|
jbe@108
|
1294 }
|
jbe@108
|
1295
|
jbe@108
|
1296 static int moonbr_io_accept_impl(lua_State *L, int nonblocking) {
|
jbe@108
|
1297 moonbr_io_listener_t *listener;
|
jbe@108
|
1298 int fd;
|
jbe@108
|
1299 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1300 if (listener->fd < 0) luaL_error(L, "Attempt to use a closed listener");
|
jbe@108
|
1301 if (listener->nonblocking != nonblocking) {
|
jbe@108
|
1302 int flags;
|
jbe@108
|
1303 flags = fcntl(listener->fd, F_GETFL, 0);
|
jbe@108
|
1304 if (flags == -1) {
|
jbe@108
|
1305 moonbr_io_errmsg();
|
jbe@108
|
1306 close(listener->fd);
|
jbe@108
|
1307 listener->fd = -1;
|
jbe@108
|
1308 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1309 }
|
jbe@108
|
1310 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@108
|
1311 else flags &= ~O_NONBLOCK;
|
jbe@108
|
1312 if (fcntl(listener->fd, F_SETFL, flags) == -1) {
|
jbe@108
|
1313 moonbr_io_errmsg();
|
jbe@108
|
1314 close(listener->fd);
|
jbe@108
|
1315 listener->fd = -1;
|
jbe@108
|
1316 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1317 }
|
jbe@108
|
1318 listener->nonblocking = nonblocking;
|
jbe@108
|
1319 }
|
jbe@108
|
1320 while (1) {
|
jbe@214
|
1321 #if defined(__linux__) && !defined(_GNU_SOURCE)
|
jbe@215
|
1322 fd = accept(listener->fd, NULL, NULL);
|
jbe@214
|
1323 if (fd != -1) {
|
jbe@214
|
1324 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
jbe@214
|
1325 moonbr_io_errmsg();
|
jbe@214
|
1326 close(listener->fd);
|
jbe@214
|
1327 listener->fd = -1;
|
jbe@214
|
1328 close(fd);
|
jbe@214
|
1329 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@214
|
1330 }
|
jbe@214
|
1331 }
|
jbe@214
|
1332 #else
|
jbe@108
|
1333 fd = accept4(listener->fd, NULL, NULL, SOCK_CLOEXEC);
|
jbe@214
|
1334 #endif
|
jbe@108
|
1335 if (fd < 0) {
|
jbe@108
|
1336 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@108
|
1337 lua_pushboolean(L, 0);
|
jbe@108
|
1338 lua_pushliteral(L, "No incoming connection pending");
|
jbe@108
|
1339 return 2;
|
jbe@108
|
1340 } else if (errno != EINTR) {
|
jbe@108
|
1341 moonbr_io_errmsg();
|
jbe@108
|
1342 lua_pushnil(L);
|
jbe@108
|
1343 lua_pushstring(L, errmsg);
|
jbe@108
|
1344 return 2;
|
jbe@108
|
1345 }
|
jbe@108
|
1346 } else {
|
jbe@108
|
1347 moonbr_io_pushhandle(L, fd);
|
jbe@108
|
1348 return 1;
|
jbe@108
|
1349 }
|
jbe@108
|
1350 }
|
jbe@108
|
1351 }
|
jbe@108
|
1352
|
jbe@108
|
1353 static int moonbr_io_accept(lua_State *L) {
|
jbe@108
|
1354 return moonbr_io_accept_impl(L, 0);
|
jbe@108
|
1355 }
|
jbe@108
|
1356
|
jbe@108
|
1357 static int moonbr_io_accept_nb(lua_State *L) {
|
jbe@108
|
1358 return moonbr_io_accept_impl(L, 1);
|
jbe@108
|
1359 }
|
jbe@108
|
1360
|
jbe@108
|
1361 static int moonbr_io_unlisten(lua_State *L) {
|
jbe@108
|
1362 moonbr_io_listener_t *listener;
|
jbe@118
|
1363 struct sockaddr_un addr;
|
jbe@118
|
1364 socklen_t addrlen;
|
jbe@118
|
1365 struct stat sb;
|
jbe@108
|
1366 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1367 if (listener->fd < 0) luaL_error(L, "Attempt to close a closed listener");
|
jbe@118
|
1368 addrlen = sizeof(addr);
|
jbe@118
|
1369 if (getsockname(listener->fd, (struct sockaddr *)&addr, &addrlen)) addrlen = 0;
|
jbe@108
|
1370 if (close(listener->fd)) {
|
jbe@108
|
1371 moonbr_io_errmsg();
|
jbe@108
|
1372 listener->fd = -1;
|
jbe@118
|
1373 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1374 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1375 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1376 }
|
jbe@118
|
1377 }
|
jbe@108
|
1378 lua_pushnil(L);
|
jbe@108
|
1379 lua_pushstring(L, errmsg);
|
jbe@108
|
1380 return 2;
|
jbe@108
|
1381 }
|
jbe@108
|
1382 listener->fd = -1;
|
jbe@118
|
1383 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1384 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1385 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1386 }
|
jbe@118
|
1387 }
|
jbe@108
|
1388 lua_pushboolean(L, 1);
|
jbe@108
|
1389 return 1;
|
jbe@108
|
1390 }
|
jbe@108
|
1391
|
jbe@108
|
1392 static int moonbr_io_listenergc(lua_State *L) {
|
jbe@108
|
1393 moonbr_io_listener_t *listener;
|
jbe@108
|
1394 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@117
|
1395 if (listener->fd >= 0) close(listener->fd);
|
jbe@108
|
1396 listener->fd = -1;
|
jbe@108
|
1397 return 0;
|
jbe@108
|
1398 }
|
jbe@108
|
1399
|
jbe@205
|
1400 static int moonbr_io_exec(lua_State *L) {
|
jbe@205
|
1401 char **argv;
|
jbe@205
|
1402 int i, argc;
|
jbe@205
|
1403 int sockin[2], sockout[2], sockerr[2];
|
jbe@205
|
1404 volatile int errorcond = 0;
|
jbe@213
|
1405 volatile char errmsgbuf[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG;
|
jbe@205
|
1406 moonbr_io_child_t *child;
|
jbe@205
|
1407 argc = lua_gettop(L);
|
jbe@205
|
1408 argv = lua_newuserdata(L, (argc + 1) * sizeof(char *));
|
jbe@205
|
1409 for (i=0; i<argc; i++) argv[i] = (char *)luaL_checkstring(L, i+1);
|
jbe@205
|
1410 argv[argc] = NULL;
|
jbe@208
|
1411 child = lua_newuserdata(L, sizeof(moonbr_io_child_t));
|
jbe@208
|
1412 child->pid = 0;
|
jbe@208
|
1413 lua_newtable(L);
|
jbe@208
|
1414 lua_setuservalue(L, -2);
|
jbe@238
|
1415 luaL_setmetatable(L, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@206
|
1416 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockin)) {
|
jbe@205
|
1417 moonbr_io_errmsg();
|
jbe@205
|
1418 lua_pushnil(L);
|
jbe@205
|
1419 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1420 return 2;
|
jbe@205
|
1421 }
|
jbe@206
|
1422 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockout)) {
|
jbe@205
|
1423 moonbr_io_errmsg();
|
jbe@205
|
1424 close(sockin[0]);
|
jbe@205
|
1425 close(sockin[1]);
|
jbe@205
|
1426 lua_pushnil(L);
|
jbe@205
|
1427 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1428 return 2;
|
jbe@205
|
1429 }
|
jbe@206
|
1430 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockerr)) {
|
jbe@205
|
1431 moonbr_io_errmsg();
|
jbe@205
|
1432 close(sockin[0]);
|
jbe@205
|
1433 close(sockin[1]);
|
jbe@205
|
1434 close(sockout[0]);
|
jbe@205
|
1435 close(sockout[1]);
|
jbe@205
|
1436 lua_pushnil(L);
|
jbe@205
|
1437 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1438 return 2;
|
jbe@205
|
1439 }
|
jbe@205
|
1440 child->pid = vfork();
|
jbe@205
|
1441 if (child->pid == -1) {
|
jbe@205
|
1442 moonbr_io_errmsg();
|
jbe@205
|
1443 close(sockin[0]);
|
jbe@205
|
1444 close(sockin[1]);
|
jbe@205
|
1445 close(sockout[0]);
|
jbe@205
|
1446 close(sockout[1]);
|
jbe@205
|
1447 close(sockerr[0]);
|
jbe@205
|
1448 close(sockerr[1]);
|
jbe@205
|
1449 lua_pushnil(L);
|
jbe@205
|
1450 lua_pushfstring(L, "Could not fork: %s", errmsg);
|
jbe@205
|
1451 return 2;
|
jbe@205
|
1452 }
|
jbe@205
|
1453 if (!child->pid) {
|
jbe@208
|
1454 if (dup2(sockin[1], 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1455 if (dup2(sockout[1], 1) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1456 if (dup2(sockerr[1], 2) == -1) goto moonbr_io_exec_error1;
|
jbe@232
|
1457 closefrom(3);
|
jbe@208
|
1458 if (fcntl(0, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1459 if (fcntl(1, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1460 if (fcntl(2, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@205
|
1461 if (execvp(argv[0], argv)) {
|
jbe@205
|
1462 errorcond = 2;
|
jbe@205
|
1463 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@205
|
1464 _exit(0);
|
jbe@205
|
1465 }
|
jbe@208
|
1466 moonbr_io_exec_error1:
|
jbe@206
|
1467 errorcond = 1;
|
jbe@206
|
1468 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@206
|
1469 _exit(0);
|
jbe@205
|
1470 }
|
jbe@205
|
1471 close(sockin[1]);
|
jbe@205
|
1472 close(sockout[1]);
|
jbe@205
|
1473 close(sockerr[1]);
|
jbe@205
|
1474 if (errorcond) {
|
jbe@205
|
1475 int status;
|
jbe@205
|
1476 close(sockin[0]);
|
jbe@205
|
1477 close(sockout[0]);
|
jbe@205
|
1478 close(sockerr[0]);
|
jbe@205
|
1479 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@205
|
1480 if (errno != EINTR) {
|
jbe@205
|
1481 moonbr_io_errmsg();
|
jbe@205
|
1482 luaL_error(L, "Error in waitpid call after unsuccessful exec: %s", errmsg);
|
jbe@205
|
1483 }
|
jbe@205
|
1484 }
|
jbe@208
|
1485 child->pid = 0;
|
jbe@205
|
1486 lua_pushnil(L);
|
jbe@205
|
1487 if (errorcond == 2) lua_pushfstring(L, "Could not execute: %s", errmsgbuf);
|
jbe@205
|
1488 else lua_pushfstring(L, "Error in fork: %s", errmsgbuf);
|
jbe@205
|
1489 return 2;
|
jbe@205
|
1490 }
|
jbe@208
|
1491 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1492 lua_pushlightuserdata(L, &sockin[0]);
|
jbe@208
|
1493 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1494 if (sockin[0] != -1) close(sockin[0]);
|
jbe@208
|
1495 close(sockout[0]);
|
jbe@208
|
1496 close(sockerr[0]);
|
jbe@208
|
1497 goto moonbr_io_exec_error2;
|
jbe@208
|
1498 }
|
jbe@205
|
1499 lua_setfield(L, -2, "stdin");
|
jbe@208
|
1500 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1501 lua_pushlightuserdata(L, &sockout[0]);
|
jbe@208
|
1502 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1503 if (sockout[0] != -1) close(sockout[0]);
|
jbe@208
|
1504 close(sockerr[0]);
|
jbe@208
|
1505 goto moonbr_io_exec_error2;
|
jbe@208
|
1506 }
|
jbe@205
|
1507 lua_setfield(L, -2, "stdout");
|
jbe@208
|
1508 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1509 lua_pushlightuserdata(L, &sockerr[0]);
|
jbe@208
|
1510 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1511 if (sockerr[0] != -1) close(sockerr[0]);
|
jbe@208
|
1512 goto moonbr_io_exec_error2;
|
jbe@208
|
1513 }
|
jbe@205
|
1514 lua_setfield(L, -2, "stderr");
|
jbe@205
|
1515 return 1;
|
jbe@208
|
1516 moonbr_io_exec_error2:
|
jbe@208
|
1517 {
|
jbe@208
|
1518 int status;
|
jbe@208
|
1519 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@208
|
1520 if (errno != EINTR) {
|
jbe@208
|
1521 moonbr_io_errmsg();
|
jbe@208
|
1522 luaL_error(L, "Error in waitpid call after error creating socket handles: %s", errmsg);
|
jbe@208
|
1523 }
|
jbe@208
|
1524 }
|
jbe@208
|
1525 }
|
jbe@208
|
1526 child->pid = 0;
|
jbe@208
|
1527 return lua_error(L);
|
jbe@205
|
1528 }
|
jbe@205
|
1529
|
jbe@205
|
1530 static int moonbr_io_childindex(lua_State *L) {
|
jbe@205
|
1531 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1532 luaL_checkany(L, 2);
|
jbe@205
|
1533 lua_getuservalue(L, 1);
|
jbe@205
|
1534 lua_pushvalue(L, 2);
|
jbe@205
|
1535 lua_gettable(L, -2);
|
jbe@205
|
1536 if (lua_isnil(L, -1)) {
|
jbe@205
|
1537 luaL_getmetatable(L, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
1538 lua_pushvalue(L, 2);
|
jbe@205
|
1539 lua_gettable(L, -2);
|
jbe@205
|
1540 }
|
jbe@205
|
1541 return 1;
|
jbe@205
|
1542 }
|
jbe@205
|
1543
|
jbe@205
|
1544 static int moonbr_io_childnewindex(lua_State *L) {
|
jbe@205
|
1545 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1546 luaL_checkany(L, 2);
|
jbe@205
|
1547 luaL_checkany(L, 3);
|
jbe@205
|
1548 lua_getuservalue(L, 1);
|
jbe@205
|
1549 lua_pushvalue(L, 2);
|
jbe@205
|
1550 lua_pushvalue(L, 3);
|
jbe@205
|
1551 lua_settable(L, -3);
|
jbe@205
|
1552 return 0;
|
jbe@205
|
1553 }
|
jbe@205
|
1554
|
jbe@205
|
1555 static int moonbr_io_childgc(lua_State *L) {
|
jbe@205
|
1556 moonbr_io_child_t *child;
|
jbe@205
|
1557 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1558 if (child->pid) {
|
jbe@205
|
1559 int status;
|
jbe@205
|
1560 if (kill(child->pid, SIGKILL)) {
|
jbe@205
|
1561 moonbr_io_errmsg();
|
jbe@205
|
1562 luaL_error(L, "Error in kill call during garbage collection: %s", errmsg);
|
jbe@205
|
1563 }
|
jbe@205
|
1564 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@205
|
1565 if (errno != EINTR) {
|
jbe@205
|
1566 moonbr_io_errmsg();
|
jbe@205
|
1567 luaL_error(L, "Error in waitpid call during garbage collection: %s", errmsg);
|
jbe@205
|
1568 }
|
jbe@205
|
1569 }
|
jbe@205
|
1570 }
|
jbe@205
|
1571 return 0;
|
jbe@205
|
1572 }
|
jbe@205
|
1573
|
jbe@205
|
1574 static int moonbr_io_kill(lua_State *L) {
|
jbe@205
|
1575 moonbr_io_child_t *child;
|
jbe@205
|
1576 int sig;
|
jbe@205
|
1577 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1578 sig = luaL_optinteger(L, 2, SIGTERM);
|
jbe@205
|
1579 if (!child->pid) luaL_error(L, "Attempt to kill an already collected child process");
|
jbe@205
|
1580 if (kill(child->pid, sig)) {
|
jbe@205
|
1581 moonbr_io_errmsg();
|
jbe@205
|
1582 luaL_error(L, "Error in kill call: %s", errmsg);
|
jbe@205
|
1583 }
|
jbe@205
|
1584 lua_settop(L, 1);
|
jbe@205
|
1585 return 1;
|
jbe@205
|
1586 }
|
jbe@205
|
1587
|
jbe@205
|
1588 static int moonbr_io_wait_impl(lua_State *L, int nonblocking) {
|
jbe@205
|
1589 moonbr_io_child_t *child;
|
jbe@205
|
1590 pid_t waitedpid;
|
jbe@205
|
1591 int status;
|
jbe@205
|
1592 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1593 if (!child->pid) luaL_error(L, "Attempt to wait for an already collected child process");
|
jbe@205
|
1594 while ((waitedpid = waitpid(child->pid, &status, nonblocking ? WNOHANG : 0)) == -1) {
|
jbe@205
|
1595 if (errno != EINTR) {
|
jbe@205
|
1596 moonbr_io_errmsg();
|
jbe@205
|
1597 luaL_error(L, "Error in waitpid call: %s", errmsg);
|
jbe@205
|
1598 }
|
jbe@205
|
1599 }
|
jbe@205
|
1600 if (!waitedpid) {
|
jbe@219
|
1601 lua_pushboolean(L, 0);
|
jbe@219
|
1602 lua_pushliteral(L, "Process is still running");
|
jbe@219
|
1603 return 2;
|
jbe@205
|
1604 } else {
|
jbe@205
|
1605 child->pid = 0;
|
jbe@205
|
1606 if (WIFEXITED(status)) {
|
jbe@205
|
1607 lua_pushinteger(L, WEXITSTATUS(status));
|
jbe@205
|
1608 } else if (WIFSIGNALED(status)) {
|
jbe@205
|
1609 lua_pushinteger(L, -WTERMSIG(status));
|
jbe@205
|
1610 } else {
|
jbe@205
|
1611 luaL_error(L, "Unexpected status value returned by waitpid call");
|
jbe@205
|
1612 }
|
jbe@219
|
1613 return 1;
|
jbe@205
|
1614 }
|
jbe@205
|
1615 }
|
jbe@205
|
1616
|
jbe@205
|
1617 static int moonbr_io_wait(lua_State *L) {
|
jbe@205
|
1618 return moonbr_io_wait_impl(L, 0);
|
jbe@205
|
1619 }
|
jbe@205
|
1620
|
jbe@205
|
1621 static int moonbr_io_wait_nb(lua_State *L) {
|
jbe@205
|
1622 return moonbr_io_wait_impl(L, 1);
|
jbe@205
|
1623 }
|
jbe@205
|
1624
|
jbe@205
|
1625 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1626 static int moonbr_io_wait_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@205
|
1627 #else
|
jbe@205
|
1628 static int moonbr_io_wait_cont(lua_State *L) {
|
jbe@205
|
1629 #endif
|
jbe@205
|
1630 #if !(LUA_VERSION_NUM >= 503)
|
jbe@205
|
1631 int ctx = 0;
|
jbe@205
|
1632 lua_getctx(L, &ctx);
|
jbe@205
|
1633 #endif
|
jbe@205
|
1634 while (1) {
|
jbe@205
|
1635 lua_pushcfunction(L, moonbr_io_wait_nb);
|
jbe@205
|
1636 lua_pushvalue(L, 1);
|
jbe@205
|
1637 lua_call(L, 1, 1);
|
jbe@205
|
1638 if (!lua_isnil(L, -1)) break;
|
jbe@205
|
1639 lua_pushvalue(L, 2);
|
jbe@205
|
1640 lua_callk(L, 0, 0, ctx, moonbr_io_wait_cont);
|
jbe@205
|
1641 }
|
jbe@205
|
1642 return 1;
|
jbe@205
|
1643 }
|
jbe@205
|
1644
|
jbe@205
|
1645 static int moonbr_io_wait_call(lua_State *L) {
|
jbe@205
|
1646 lua_settop(L, 2);
|
jbe@205
|
1647 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1648 return moonbr_io_wait_cont(L, 0, 0);
|
jbe@205
|
1649 #else
|
jbe@205
|
1650 return moonbr_io_wait_cont(L);
|
jbe@205
|
1651 #endif
|
jbe@205
|
1652 }
|
jbe@205
|
1653
|
jbe@205
|
1654 moonbr_io_yield_wrapper(moonbr_io_wait_yield, moonbr_io_wait_call);
|
jbe@205
|
1655
|
jbe@250
|
1656 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
1657 #define moonbr_io_poll_tls() \
|
jbe@250
|
1658 if (!handle->tlshandshake) { \
|
jbe@250
|
1659 lua_pushboolean(L, 1); \
|
jbe@250
|
1660 return 1; \
|
jbe@250
|
1661 } \
|
jbe@250
|
1662 if (handle->tlshandshake == TLS_WANT_POLLIN) { \
|
jbe@250
|
1663 if (fd < 0) { \
|
jbe@250
|
1664 lua_pushboolean(L, 1); \
|
jbe@250
|
1665 return 1; \
|
jbe@250
|
1666 } \
|
jbe@250
|
1667 FD_SET(fd, &readfds); \
|
jbe@250
|
1668 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1669 continue; \
|
jbe@250
|
1670 } \
|
jbe@250
|
1671 if (handle->tlshandshake == TLS_WANT_POLLOUT) { \
|
jbe@250
|
1672 if (fd < 0) { \
|
jbe@250
|
1673 lua_pushboolean(L, 1); \
|
jbe@250
|
1674 return 1; \
|
jbe@250
|
1675 } \
|
jbe@250
|
1676 FD_SET(fd, &writefds); \
|
jbe@250
|
1677 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1678 continue; \
|
jbe@250
|
1679 } \
|
jbe@250
|
1680 while (0)
|
jbe@250
|
1681 #endif
|
jbe@250
|
1682
|
jbe@106
|
1683 static int moonbr_io_poll(lua_State *L) {
|
jbe@106
|
1684 moonbr_io_handle_t *handle;
|
jbe@108
|
1685 moonbr_io_listener_t *listener;
|
jbe@106
|
1686 int fd, isnum;
|
jbe@106
|
1687 int nfds = 0;
|
jbe@106
|
1688 fd_set readfds, writefds, exceptfds;
|
jbe@106
|
1689 struct timeval timeout = {0, };
|
jbe@106
|
1690 int status;
|
jbe@106
|
1691 FD_ZERO(&readfds);
|
jbe@106
|
1692 FD_ZERO(&writefds);
|
jbe@106
|
1693 FD_ZERO(&exceptfds);
|
jbe@106
|
1694 if (!lua_isnoneornil(L, 1)) {
|
jbe@106
|
1695 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@106
|
1696 for (lua_pushnil(L); lua_next(L, 1); lua_pop(L, 1)) {
|
jbe@106
|
1697 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1698 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1699 if (handle) {
|
jbe@109
|
1700 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@106
|
1701 fd = handle->fd;
|
jbe@247
|
1702 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1703 moonbr_io_poll_tls();
|
jbe@247
|
1704 #endif
|
jbe@122
|
1705 if (
|
jbe@122
|
1706 fd < 0 || /* fake EOF to simulate shutdown if fd < 0 */
|
jbe@122
|
1707 handle->readbufin != handle->readbufout /* data pending in buffer */
|
jbe@122
|
1708 ) {
|
jbe@109
|
1709 lua_pushboolean(L, 1);
|
jbe@109
|
1710 return 1;
|
jbe@109
|
1711 }
|
jbe@106
|
1712 } else {
|
jbe@108
|
1713 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1714 if (listener) {
|
jbe@108
|
1715 fd = listener->fd;
|
jbe@108
|
1716 if (fd < 0) luaL_error(L, "Attempt to poll a closed listener");
|
jbe@108
|
1717 } else {
|
jbe@108
|
1718 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@108
|
1719 if (!isnum) luaL_error(L, "Expected integer (file descriptor), I/O handle, or listener in table key");
|
jbe@108
|
1720 }
|
jbe@106
|
1721 }
|
jbe@138
|
1722 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1723 FD_SET(fd, &readfds);
|
jbe@106
|
1724 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1725 }
|
jbe@106
|
1726 }
|
jbe@106
|
1727 }
|
jbe@106
|
1728 if (!lua_isnoneornil(L, 2)) {
|
jbe@106
|
1729 luaL_checktype(L, 2, LUA_TTABLE);
|
jbe@106
|
1730 for (lua_pushnil(L); lua_next(L, 2); lua_pop(L, 1)) {
|
jbe@106
|
1731 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1732 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1733 if (handle) {
|
jbe@109
|
1734 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@109
|
1735 if (handle->finished) luaL_error(L, "Attempt to write-poll a finished connection");
|
jbe@106
|
1736 fd = handle->fd;
|
jbe@247
|
1737 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1738 moonbr_io_poll_tls();
|
jbe@247
|
1739 #endif
|
jbe@106
|
1740 } else {
|
jbe@108
|
1741 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@109
|
1742 if (listener) luaL_error(L, "Attempt to write-poll a listener");
|
jbe@109
|
1743 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@109
|
1744 if (!isnum) luaL_error(L, "Expected integer (file descriptor) or I/O handle in table key");
|
jbe@106
|
1745 }
|
jbe@138
|
1746 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1747 FD_SET(fd, &writefds);
|
jbe@106
|
1748 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1749 }
|
jbe@106
|
1750 }
|
jbe@106
|
1751 }
|
jbe@106
|
1752 if (!lua_isnoneornil(L, 3)) {
|
jbe@106
|
1753 lua_Number n;
|
jbe@106
|
1754 n = lua_tonumberx(L, 3, &isnum);
|
jbe@146
|
1755 if (isnum && n<0) {
|
jbe@146
|
1756 lua_pushboolean(L, 0);
|
jbe@146
|
1757 lua_pushliteral(L, "Negative timeout");
|
jbe@146
|
1758 return 2;
|
jbe@146
|
1759 } else if (isnum && n>=0 && n<100000000) {
|
jbe@106
|
1760 timeout.tv_sec = n;
|
jbe@106
|
1761 timeout.tv_usec = 1e6 * (n - timeout.tv_sec);
|
jbe@106
|
1762 } else {
|
jbe@106
|
1763 luaL_argcheck(L, 0, 3, "not a valid timeout");
|
jbe@106
|
1764 }
|
jbe@106
|
1765 status = select(nfds, &readfds, &writefds, &exceptfds, &timeout);
|
jbe@106
|
1766 } else {
|
jbe@106
|
1767 status = select(nfds, &readfds, &writefds, &exceptfds, NULL);
|
jbe@106
|
1768 }
|
jbe@106
|
1769 if (status == -1) {
|
jbe@106
|
1770 if (errno == EINTR) {
|
jbe@146
|
1771 lua_pushnil(L);
|
jbe@106
|
1772 lua_pushliteral(L, "Signal received while polling file descriptors");
|
jbe@106
|
1773 return 2;
|
jbe@106
|
1774 } else {
|
jbe@106
|
1775 moonbr_io_errmsg();
|
jbe@106
|
1776 return luaL_error(L, "Unexpected error during \"select\" system call: %s", errmsg);
|
jbe@106
|
1777 }
|
jbe@106
|
1778 } else if (status == 0) {
|
jbe@106
|
1779 lua_pushboolean(L, 0);
|
jbe@106
|
1780 lua_pushliteral(L, "Timeout while polling file descriptors");
|
jbe@106
|
1781 return 2;
|
jbe@106
|
1782 } else {
|
jbe@106
|
1783 lua_pushboolean(L, 1);
|
jbe@106
|
1784 return 1;
|
jbe@106
|
1785 }
|
jbe@106
|
1786 }
|
jbe@106
|
1787
|
jbe@115
|
1788 static int moonbr_io_timeref(lua_State *L) {
|
jbe@115
|
1789 lua_Number sub;
|
jbe@115
|
1790 struct timespec tp;
|
jbe@115
|
1791 sub = luaL_optnumber(L, 1, 0);
|
jbe@115
|
1792 if (clock_gettime(CLOCK_MONOTONIC, &tp)) {
|
jbe@115
|
1793 return luaL_error(L, "Could not access CLOCK_MONOTONIC");
|
jbe@115
|
1794 }
|
jbe@115
|
1795 lua_pushnumber(L, tp.tv_sec + tp.tv_nsec / 1.0e9 - sub);
|
jbe@115
|
1796 return 1;
|
jbe@115
|
1797 }
|
jbe@115
|
1798
|
jbe@243
|
1799 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
1800
|
jbe@243
|
1801 #define moonbr_io_tlsconf_string(name, field, func) \
|
jbe@243
|
1802 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1803 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1804 valuetype = lua_type(L, -1); \
|
jbe@243
|
1805 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1806 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1807 value = lua_tostring(L, -1); \
|
jbe@252
|
1808 if (func(tlsconf->config, value)) { \
|
jbe@243
|
1809 lua_pushnil(L); \
|
jbe@243
|
1810 lua_pushfstring(L, "Could not set " name " \"%s\"", value); \
|
jbe@243
|
1811 return 2; \
|
jbe@243
|
1812 } \
|
jbe@243
|
1813 } \
|
jbe@243
|
1814 lua_pop(L, 1);
|
jbe@243
|
1815
|
jbe@243
|
1816 #define moonbr_io_tlsconf_binary(name, field, func) \
|
jbe@243
|
1817 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1818 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1819 valuetype = lua_type(L, -1); \
|
jbe@243
|
1820 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1821 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1822 value = lua_tolstring(L, -1, &valuelen); \
|
jbe@252
|
1823 if (func(tlsconf->config, (void *)value, valuelen)) { \
|
jbe@243
|
1824 lua_pushnil(L); \
|
jbe@243
|
1825 lua_pushliteral(L, "Could not set " name); \
|
jbe@243
|
1826 return 2; \
|
jbe@243
|
1827 } \
|
jbe@243
|
1828 } \
|
jbe@243
|
1829 lua_pop(L, 1);
|
jbe@243
|
1830
|
jbe@243
|
1831 static int moonbr_io_tlsconf(lua_State *L) {
|
jbe@252
|
1832 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1833 int valuetype;
|
jbe@243
|
1834 const char *value;
|
jbe@243
|
1835 size_t valuelen;
|
jbe@243
|
1836 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@252
|
1837 tlsconf = lua_newuserdata(L, sizeof(moonbr_io_tlsconf_t));
|
jbe@252
|
1838 tlsconf->config = tls_config_new();
|
jbe@252
|
1839 if (!tlsconf->config) {
|
jbe@243
|
1840 return luaL_error(L, "Could not allocate memory for TLS configuration");
|
jbe@243
|
1841 }
|
jbe@243
|
1842 luaL_setmetatable(L, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@245
|
1843 lua_getfield(L, 1, "mode");
|
jbe@252
|
1844 value = lua_tostring(L, -1);
|
jbe@252
|
1845 if (value && !strcmp(value, "server")) tlsconf->server = 1;
|
jbe@252
|
1846 else if (value && !strcmp(value, "client")) tlsconf->server = 0;
|
jbe@252
|
1847 else luaL_argcheck(L, 0, 1, "field \"mode\" must be set to \"server\" or \"client\"");
|
jbe@245
|
1848 lua_pop(L, 1);
|
jbe@243
|
1849 moonbr_io_tlsconf_string("CA file", "ca_file", tls_config_set_ca_file);
|
jbe@243
|
1850 moonbr_io_tlsconf_string("CA path", "ca_path", tls_config_set_ca_path);
|
jbe@243
|
1851 moonbr_io_tlsconf_binary("CA", "ca_mem", tls_config_set_ca_mem);
|
jbe@243
|
1852 moonbr_io_tlsconf_string("certificate file", "cert_file", tls_config_set_cert_file);
|
jbe@243
|
1853 moonbr_io_tlsconf_binary("certificate", "cert_mem", tls_config_set_cert_mem);
|
jbe@243
|
1854 moonbr_io_tlsconf_string("key file", "key_file", tls_config_set_key_file);
|
jbe@243
|
1855 moonbr_io_tlsconf_binary("key", "key_mem", tls_config_set_key_mem);
|
jbe@245
|
1856 #if LUA_VERSION_NUM >= 503
|
jbe@245
|
1857 valuetype = lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1858 #else
|
jbe@244
|
1859 lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1860 #endif
|
jbe@244
|
1861 if (lua_toboolean(L, -1)) {
|
jbe@252
|
1862 value = lua_tostring(L, -1);
|
jbe@252
|
1863 if (value && !strcmp(value, "required")) {
|
jbe@252
|
1864 tls_config_verify_client(tlsconf->config);
|
jbe@252
|
1865 } else if (value && !strcmp(value, "optional")) {
|
jbe@252
|
1866 tls_config_verify_client_optional(tlsconf->config);
|
jbe@244
|
1867 } else {
|
jbe@244
|
1868 luaL_argcheck(L, 0, 1, "field \"verify_client\" must be set to \"required\", \"optional\", or be false or nil");
|
jbe@244
|
1869 }
|
jbe@244
|
1870 }
|
jbe@244
|
1871 lua_pop(L, 1);
|
jbe@243
|
1872 return 1;
|
jbe@243
|
1873 }
|
jbe@243
|
1874
|
jbe@252
|
1875 static int moonbr_io_tlsconfgc(lua_State *L) {
|
jbe@252
|
1876 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1877 tlsconf = luaL_checkudata(L, 1, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@252
|
1878 if (tlsconf->config) tls_config_free(tlsconf->config);
|
jbe@252
|
1879 tlsconf->config = NULL;
|
jbe@243
|
1880 return 0;
|
jbe@243
|
1881 }
|
jbe@243
|
1882
|
jbe@246
|
1883 static int moonbr_io_starttls(lua_State *L) {
|
jbe@246
|
1884 moonbr_io_handle_t *handle;
|
jbe@252
|
1885 moonbr_io_tlsconf_t *tlsconf;
|
jbe@246
|
1886 const char *servername;
|
jbe@246
|
1887 struct tls *tls, *tls2;
|
jbe@246
|
1888 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@246
|
1889 if (lua_type(L, 2) == LUA_TTABLE) {
|
jbe@246
|
1890 lua_pushcfunction(L, moonbr_io_tlsconf);
|
jbe@246
|
1891 lua_pushvalue(L, 2);
|
jbe@246
|
1892 lua_call(L, 1, 2);
|
jbe@246
|
1893 if (lua_isnil(L, -2)) return 2;
|
jbe@246
|
1894 lua_pop(L, 1);
|
jbe@246
|
1895 lua_replace(L, 2);
|
jbe@246
|
1896 }
|
jbe@246
|
1897 tlsconf = luaL_checkudata(L, 2, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@246
|
1898 if (handle->closed) return luaL_error(L, "Attempt to start TLS on a closed I/O handle");
|
jbe@246
|
1899 if (handle->finished) return luaL_error(L, "Attempt to start TLS on a finished I/O handle");
|
jbe@248
|
1900 #ifdef MOONBR_IO_USE_TLS
|
jbe@247
|
1901 if (handle->tls) return luaL_error(L, "Attempt to start TLS twice");
|
jbe@249
|
1902 #endif
|
jbe@246
|
1903 if (handle->readbufin || handle->writebufin) {
|
jbe@246
|
1904 return luaL_error(L, "Attempt to start TLS on an I/O handle with non-empty buffers");
|
jbe@246
|
1905 }
|
jbe@252
|
1906 if (tlsconf->server) tls = tls_server();
|
jbe@252
|
1907 else {
|
jbe@246
|
1908 servername = luaL_checkstring(L, 3);
|
jbe@246
|
1909 tls = tls_client();
|
jbe@246
|
1910 }
|
jbe@246
|
1911 if (!tls) {
|
jbe@246
|
1912 return luaL_error(L, "Could not allocate memory for TLS context");
|
jbe@246
|
1913 }
|
jbe@252
|
1914 if (tls_configure(tls, tlsconf->config)) goto moonbr_io_starttls_error;
|
jbe@252
|
1915 if (tlsconf->server) {
|
jbe@246
|
1916 if (tls_accept_socket(tls, &tls2, handle->fd)) goto moonbr_io_starttls_error;
|
jbe@246
|
1917 handle->servertls = tls;
|
jbe@246
|
1918 handle->tls = tls2;
|
jbe@246
|
1919 } else {
|
jbe@246
|
1920 if (tls_connect_socket(tls, handle->fd, servername)) goto moonbr_io_starttls_error;
|
jbe@246
|
1921 handle->tls = tls;
|
jbe@246
|
1922 }
|
jbe@246
|
1923 lua_settop(L, 1);
|
jbe@246
|
1924 return 1;
|
jbe@246
|
1925 moonbr_io_starttls_error:
|
jbe@246
|
1926 lua_pushnil(L);
|
jbe@246
|
1927 lua_pushstring(L, tls_error(tls));
|
jbe@246
|
1928 tls_free(tls);
|
jbe@246
|
1929 return 2;
|
jbe@246
|
1930 }
|
jbe@246
|
1931
|
jbe@243
|
1932 #endif
|
jbe@243
|
1933
|
jbe@79
|
1934 static const struct luaL_Reg moonbr_io_handle_methods[] = {
|
jbe@85
|
1935 {"read", moonbr_io_read},
|
jbe@85
|
1936 {"read_nb", moonbr_io_read_nb},
|
jbe@140
|
1937 {"read_call", moonbr_io_read_call},
|
jbe@140
|
1938 {"read_yield", moonbr_io_read_yield},
|
jbe@86
|
1939 {"drain", moonbr_io_drain},
|
jbe@86
|
1940 {"drain_nb", moonbr_io_drain_nb},
|
jbe@144
|
1941 {"drain_call", moonbr_io_drain_call},
|
jbe@144
|
1942 {"drain_yield", moonbr_io_drain_yield},
|
jbe@80
|
1943 {"write", moonbr_io_write},
|
jbe@81
|
1944 {"write_nb", moonbr_io_write_nb},
|
jbe@145
|
1945 {"write_call", moonbr_io_write_call},
|
jbe@145
|
1946 {"write_yield", moonbr_io_write_yield},
|
jbe@80
|
1947 {"flush", moonbr_io_flush},
|
jbe@81
|
1948 {"flush_nb", moonbr_io_flush_nb},
|
jbe@145
|
1949 {"flush_call", moonbr_io_flush_call},
|
jbe@145
|
1950 {"flush_yield", moonbr_io_flush_yield},
|
jbe@88
|
1951 {"finish", moonbr_io_finish},
|
jbe@87
|
1952 {"close", moonbr_io_close},
|
jbe@85
|
1953 {"reset", moonbr_io_reset},
|
jbe@246
|
1954 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
1955 {"starttls", moonbr_io_starttls},
|
jbe@246
|
1956 #endif
|
jbe@79
|
1957 {NULL, NULL}
|
jbe@79
|
1958 };
|
jbe@79
|
1959
|
jbe@79
|
1960 static const struct luaL_Reg moonbr_io_handle_metamethods[] = {
|
jbe@79
|
1961 {"__index", moonbr_io_handleindex},
|
jbe@79
|
1962 {"__newindex", moonbr_io_handlenewindex},
|
jbe@108
|
1963 {"__gc", moonbr_io_handlegc},
|
jbe@108
|
1964 {NULL, NULL}
|
jbe@108
|
1965 };
|
jbe@108
|
1966
|
jbe@108
|
1967 static const struct luaL_Reg moonbr_io_listener_methods[] = {
|
jbe@108
|
1968 {"accept", moonbr_io_accept},
|
jbe@108
|
1969 {"accept_nb", moonbr_io_accept_nb},
|
jbe@108
|
1970 {"close", moonbr_io_unlisten},
|
jbe@108
|
1971 {NULL, NULL}
|
jbe@108
|
1972 };
|
jbe@108
|
1973
|
jbe@108
|
1974 static const struct luaL_Reg moonbr_io_listener_metamethods[] = {
|
jbe@108
|
1975 {"__gc", moonbr_io_listenergc},
|
jbe@79
|
1976 {NULL, NULL}
|
jbe@79
|
1977 };
|
jbe@79
|
1978
|
jbe@205
|
1979 static const struct luaL_Reg moonbr_io_child_methods[] = {
|
jbe@205
|
1980 {"kill", moonbr_io_kill},
|
jbe@205
|
1981 {"wait", moonbr_io_wait},
|
jbe@205
|
1982 {"wait_nb", moonbr_io_wait_nb},
|
jbe@205
|
1983 {"wait_call", moonbr_io_wait_call},
|
jbe@205
|
1984 {"wait_yield", moonbr_io_wait_yield},
|
jbe@205
|
1985 {NULL, NULL}
|
jbe@205
|
1986 };
|
jbe@205
|
1987
|
jbe@205
|
1988 static const struct luaL_Reg moonbr_io_child_metamethods[] = {
|
jbe@205
|
1989 {"__index", moonbr_io_childindex},
|
jbe@205
|
1990 {"__newindex", moonbr_io_childnewindex},
|
jbe@205
|
1991 {"__gc", moonbr_io_childgc},
|
jbe@205
|
1992 {NULL, NULL}
|
jbe@205
|
1993 };
|
jbe@205
|
1994
|
jbe@79
|
1995 static const struct luaL_Reg moonbr_io_module_funcs[] = {
|
jbe@111
|
1996 {"localconnect", moonbr_io_localconnect},
|
jbe@111
|
1997 {"localconnect_nb", moonbr_io_localconnect_nb},
|
jbe@98
|
1998 {"tcpconnect", moonbr_io_tcpconnect},
|
jbe@99
|
1999 {"tcpconnect_nb", moonbr_io_tcpconnect_nb},
|
jbe@112
|
2000 {"locallisten", moonbr_io_locallisten},
|
jbe@108
|
2001 {"tcplisten", moonbr_io_tcplisten},
|
jbe@205
|
2002 {"exec", moonbr_io_exec},
|
jbe@106
|
2003 {"poll", moonbr_io_poll},
|
jbe@115
|
2004 {"timeref", moonbr_io_timeref},
|
jbe@243
|
2005 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2006 {"tlsconf", moonbr_io_tlsconf},
|
jbe@243
|
2007 #endif
|
jbe@79
|
2008 {NULL, NULL}
|
jbe@79
|
2009 };
|
jbe@79
|
2010
|
jbe@243
|
2011 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2012 static const struct luaL_Reg moonbr_io_tlsconf_metamethods[] = {
|
jbe@243
|
2013 {"__gc", moonbr_io_tlsconfgc},
|
jbe@243
|
2014 {NULL, NULL}
|
jbe@243
|
2015 };
|
jbe@243
|
2016 #endif
|
jbe@243
|
2017
|
jbe@79
|
2018 int luaopen_moonbridge_io(lua_State *L) {
|
jbe@79
|
2019
|
jbe@113
|
2020 signal(SIGPIPE, SIG_IGN); /* generate I/O errors instead of signal 13 */
|
jbe@113
|
2021
|
jbe@80
|
2022 lua_newtable(L); // module
|
jbe@80
|
2023
|
jbe@79
|
2024 lua_newtable(L); // public metatable
|
jbe@79
|
2025 lua_newtable(L); // handle methods
|
jbe@79
|
2026 luaL_setfuncs(L, moonbr_io_handle_methods, 0);
|
jbe@80
|
2027 lua_pushvalue(L, -1);
|
jbe@146
|
2028 lua_setfield(L, -4, "handle_pt");
|
jbe@79
|
2029 lua_setfield(L, -2, "__index");
|
jbe@79
|
2030 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
2031
|
jbe@79
|
2032 lua_newtable(L); // handle metatable
|
jbe@79
|
2033 luaL_setfuncs(L, moonbr_io_handle_metamethods, 0);
|
jbe@146
|
2034 lua_pushvalue(L, -1);
|
jbe@146
|
2035 lua_setfield(L, -3, "handle_mt");
|
jbe@79
|
2036 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
2037
|
jbe@108
|
2038 lua_newtable(L); // listener metatable
|
jbe@108
|
2039 luaL_setfuncs(L, moonbr_io_listener_metamethods, 0);
|
jbe@108
|
2040 lua_newtable(L); // listener methods
|
jbe@108
|
2041 luaL_setfuncs(L, moonbr_io_listener_methods, 0);
|
jbe@108
|
2042 lua_pushvalue(L, -1);
|
jbe@146
|
2043 lua_setfield(L, -4, "listener_pt");
|
jbe@108
|
2044 lua_setfield(L, -2, "__index");
|
jbe@146
|
2045 lua_pushvalue(L, -1);
|
jbe@146
|
2046 lua_setfield(L, -3, "listener_mt");
|
jbe@108
|
2047 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
2048
|
jbe@205
|
2049 lua_newtable(L); // child methods
|
jbe@205
|
2050 luaL_setfuncs(L, moonbr_io_child_methods, 0);
|
jbe@205
|
2051 lua_pushvalue(L, -1);
|
jbe@205
|
2052 lua_setfield(L, -3, "child_pt");
|
jbe@205
|
2053 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
2054 lua_newtable(L); // child metatable
|
jbe@205
|
2055 luaL_setfuncs(L, moonbr_io_child_metamethods, 0);
|
jbe@205
|
2056 lua_pushvalue(L, -1);
|
jbe@205
|
2057 lua_setfield(L, -3, "child_mt");
|
jbe@205
|
2058 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
2059
|
jbe@243
|
2060 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2061 if(tls_init()) {
|
jbe@243
|
2062 return luaL_error(L, "Could not initialize TLS library");
|
jbe@243
|
2063 }
|
jbe@243
|
2064 lua_newtable(L); // tlsconf metatable
|
jbe@243
|
2065 luaL_setfuncs(L, moonbr_io_tlsconf_metamethods, 0);
|
jbe@243
|
2066 lua_pushvalue(L, -1);
|
jbe@243
|
2067 lua_setfield(L, -3, "tlsconf_mt");
|
jbe@243
|
2068 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@243
|
2069 #endif
|
jbe@243
|
2070
|
jbe@205
|
2071 moonbr_io_pushhandle(L, 0);
|
jbe@205
|
2072 lua_setfield(L, -2, "stdin");
|
jbe@205
|
2073 moonbr_io_pushhandle(L, 1);
|
jbe@205
|
2074 lua_setfield(L, -2, "stdout");
|
jbe@205
|
2075 moonbr_io_pushhandle(L, 2);
|
jbe@205
|
2076 lua_setfield(L, -2, "stderr");
|
jbe@205
|
2077
|
jbe@79
|
2078 luaL_setfuncs(L, moonbr_io_module_funcs, 0);
|
jbe@79
|
2079 return 1;
|
jbe@79
|
2080
|
jbe@79
|
2081 }
|
jbe@79
|
2082
|