rev |
line source |
jbe@209
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1
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jbe@209
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2 #ifndef __has_include
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jbe@209
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3 #define __has_include(x) 0
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jbe@209
|
4 #endif
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jbe@79
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5
|
jbe@79
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6 #include <stdlib.h>
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jbe@135
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7 #include <stdint.h>
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jbe@135
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8 #include <string.h>
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jbe@135
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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
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12 #include <fcntl.h>
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jbe@135
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13 #include <sys/stat.h>
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jbe@79
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14 #include <sys/socket.h>
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jbe@111
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15 #include <sys/un.h>
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jbe@95
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16 #include <netinet/in.h>
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jbe@95
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17 #include <netinet/tcp.h>
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jbe@135
|
18 #include <sys/select.h>
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jbe@136
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19 #include <time.h>
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jbe@135
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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
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23 #include <sys/wait.h>
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jbe@209
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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
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26 #endif
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jbe@211
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27
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jbe@243
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28 #ifdef MOONBR_IO_USE_TLS
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jbe@243
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29 #include <tls.h>
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jbe@243
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30 #endif
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jbe@243
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31
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jbe@79
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32 #include <lua.h>
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jbe@79
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33 #include <lauxlib.h>
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jbe@79
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34 #include <lualib.h>
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jbe@79
|
35
|
jbe@149
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36 #include <assert.h>
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jbe@149
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37
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jbe@80
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38 #define MOONBR_IO_MAXSTRERRORLEN 80
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jbe@85
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39 #define MOONBR_IO_READBUFLEN 4096
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jbe@80
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40 #define MOONBR_IO_WRITEBUFLEN 4096
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jbe@80
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41
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jbe@108
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42 #define MOONBR_IO_LISTEN_BACKLOG 1024
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jbe@108
|
43
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jbe@213
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44 #define MOONBR_IO_STRERROR_R_MSG "Error detail unavailable due to noncompliant strerror_r() implementation"
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jbe@257
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45 #define moonbr_io_prepare_errmsg() \
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jbe@213
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46 char errmsg[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG; \
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jbe@80
|
47 strerror_r(errno, errmsg, MOONBR_IO_MAXSTRERRORLEN)
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jbe@257
|
48 #define moonbr_io_return_prepared_errmsg() \
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jbe@257
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49 lua_pushnil(L); \
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jbe@257
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50 lua_pushstring(L, errmsg); \
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jbe@257
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51 return 2
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jbe@257
|
52 #define moonbr_io_return_errmsg() \
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jbe@257
|
53 do { \
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jbe@257
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54 moonbr_io_prepare_errmsg(); \
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jbe@257
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55 moonbr_io_return_prepared_errmsg(); \
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jbe@257
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56 } while (0)
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jbe@80
|
57
|
jbe@266
|
58 static int moonbr_io_signalfds[2];
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jbe@266
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59 #define moonbr_io_signalfd_read moonbr_io_signalfds[0]
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jbe@266
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60 #define moonbr_io_signalfd_write moonbr_io_signalfds[1]
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jbe@266
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61
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jbe@79
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62 #define MOONBR_IO_HANDLE_MT_REGKEY "moonbridge_io_handle"
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jbe@79
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63 #define MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY "moonbridge_io_handle_public"
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jbe@108
|
64 #define MOONBR_IO_LISTENER_MT_REGKEY "moonbridge_io_listener"
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jbe@205
|
65 #define MOONBR_IO_CHILD_MT_REGKEY "moonbridge_io_child"
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jbe@205
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66 #define MOONBR_IO_CHILD_PT_REGKEY "moonbridge_io_child_pt"
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jbe@266
|
67 #define MOONBR_IO_SIGNALSOCKET_REGKEY "moonbridge_io_signalsocket"
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jbe@271
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68 #define MOONBR_IO_SIGNALS_REGKEY "moonbridge_io_signals"
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jbe@79
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69
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jbe@243
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70 #ifdef MOONBR_IO_USE_TLS
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jbe@258
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71
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jbe@243
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72 #define MOONBR_IO_TLSCONF_MT_REGKEY "moonbridge_io_tlsconf"
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jbe@252
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73
|
jbe@252
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74 typedef struct {
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jbe@252
|
75 struct tls_config *config;
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jbe@252
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76 int server;
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jbe@252
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77 } moonbr_io_tlsconf_t;
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jbe@258
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78
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jbe@258
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79 #endif /* MOONBR_IO_USE_TLS */
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jbe@243
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80
|
jbe@79
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81 typedef struct {
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jbe@79
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82 int fd;
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jbe@107
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83 int issock;
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jbe@107
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84 sa_family_t addrfam;
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jbe@94
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85 int finished;
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jbe@94
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86 int closed;
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jbe@81
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87 int nonblocking;
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jbe@95
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88 int nopush;
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jbe@85
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89 int readerr;
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jbe@105
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90 int readbufin;
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jbe@105
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91 int readbufout;
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jbe@81
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92 int writeerr;
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jbe@83
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93 size_t writeleft;
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jbe@132
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94 size_t flushedleft;
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jbe@83
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95 #if LUA_VERSION_NUM >= 503
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jbe@83
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96 lua_Integer writeqin;
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jbe@83
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97 lua_Integer writeqout;
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jbe@83
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98 #else
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jbe@83
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99 int writeqin;
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jbe@83
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100 int writeqout;
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jbe@83
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101 #endif
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jbe@83
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102 size_t writeqoff;
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jbe@103
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103 int writebufin;
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jbe@103
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104 int writebufout;
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jbe@85
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105 char readbuf[MOONBR_IO_READBUFLEN];
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jbe@80
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106 char writebuf[MOONBR_IO_WRITEBUFLEN];
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jbe@246
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107 #ifdef MOONBR_IO_USE_TLS
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jbe@250
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108 struct tls *tls;
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jbe@250
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109 struct tls *servertls;
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jbe@250
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110 int tlshandshake;
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jbe@261
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111 int tlsclosing;
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jbe@246
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112 #endif
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jbe@79
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113 } moonbr_io_handle_t;
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jbe@79
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114
|
jbe@108
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115 typedef struct {
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jbe@108
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116 int fd;
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jbe@118
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117 sa_family_t addrfam;
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jbe@108
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118 int nonblocking;
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jbe@108
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119 } moonbr_io_listener_t;
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jbe@108
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120
|
jbe@205
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121 typedef struct {
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jbe@205
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122 pid_t pid;
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jbe@205
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123 } moonbr_io_child_t;
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jbe@205
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124
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jbe@148
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125 static int moonbr_io_yield(lua_State *L) {
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jbe@149
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126 return lua_yield(L, lua_gettop(L));
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jbe@140
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127 }
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jbe@140
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128
|
jbe@140
|
129 #if LUA_VERSION_NUM >= 503
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jbe@140
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130 static int moonbr_io_cont_returnall(lua_State *L, int status, lua_KContext ctx) {
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jbe@140
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131 #else
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jbe@140
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132 static int moonbr_io_cont_returnall(lua_State *L) {
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jbe@140
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133 #endif
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jbe@140
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134 return lua_gettop(L);
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jbe@140
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135 }
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jbe@140
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136
|
jbe@145
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137 #define moonbr_io_yield_wrapper(yieldfunc, callfunc) \
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jbe@145
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138 static int yieldfunc(lua_State *L) { \
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jbe@145
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139 int args; \
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jbe@145
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140 lua_pushcfunction(L, callfunc); \
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jbe@145
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141 lua_insert(L, 1); \
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jbe@145
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142 args = lua_gettop(L); \
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jbe@148
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143 lua_pushcfunction(L, moonbr_io_yield); \
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jbe@145
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144 lua_insert(L, 3); \
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jbe@145
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145 lua_callk(L, args, LUA_MULTRET, 0, moonbr_io_cont_returnall); \
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jbe@145
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146 return lua_gettop(L); \
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jbe@145
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147 }
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jbe@145
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148
|
jbe@256
|
149 static int 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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150 int flags;
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jbe@256
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151 if (handle->nonblocking == nonblocking) return 0;
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jbe@95
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152 flags = fcntl(handle->fd, F_GETFL, 0);
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jbe@256
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153 if (flags == -1) return -1;
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jbe@95
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154 if (nonblocking) flags |= O_NONBLOCK;
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jbe@95
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155 else flags &= ~O_NONBLOCK;
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jbe@256
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156 if (fcntl(handle->fd, F_SETFL, flags) == -1) return -1;
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jbe@95
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157 handle->nonblocking = nonblocking;
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jbe@256
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158 return 0;
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jbe@81
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159 }
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jbe@81
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160
|
jbe@256
|
161 static int moonbr_io_handle_set_linger(lua_State *L, moonbr_io_handle_t *handle, int timeout) {
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jbe@87
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162 struct linger lingerval = { 0, };
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jbe@256
|
163 if (!handle->issock) return 0;
|
jbe@87
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164 if (timeout >= 0) {
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jbe@87
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165 lingerval.l_onoff = 1;
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jbe@87
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166 lingerval.l_linger = timeout;
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jbe@87
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167 }
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jbe@256
|
168 if (setsockopt(handle->fd, SOL_SOCKET, SO_LINGER, &lingerval, sizeof(lingerval))) return -1;
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jbe@256
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169 return 0;
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jbe@87
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170 }
|
jbe@87
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171
|
jbe@256
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172 static inline int moonbr_io_handle_set_nopush(lua_State *L, moonbr_io_handle_t *handle, int nopush) {
|
jbe@96
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173 #if defined(TCP_NOPUSH) || defined(TCP_CORK)
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jbe@107
|
174 if (
|
jbe@107
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175 !(handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) ||
|
jbe@107
|
176 handle->nopush == nopush
|
jbe@256
|
177 ) return 0;
|
jbe@96
|
178 #if defined(TCP_NOPUSH)
|
jbe@256
|
179 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_NOPUSH, &nopush, sizeof(nopush))) return -1;
|
jbe@104
|
180 #elif defined(TCP_CORK)
|
jbe@256
|
181 if (setsockopt(handle->fd, IPPROTO_TCP, TCP_CORK, &nopush, sizeof(nopush))) return -1;
|
jbe@251
|
182 #endif
|
jbe@95
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183 handle->nopush = nopush;
|
jbe@96
|
184 #else
|
jbe@96
|
185 #warning Neither TCP_NOPUSH nor TCP_CORK is available
|
jbe@96
|
186 #endif
|
jbe@256
|
187 return 0;
|
jbe@95
|
188 }
|
jbe@95
|
189
|
jbe@86
|
190 static int moonbr_io_read_impl(lua_State *L, int nonblocking, int drain) {
|
jbe@85
|
191 moonbr_io_handle_t *handle;
|
jbe@85
|
192 lua_Integer maxread;
|
jbe@85
|
193 const char *terminatorstr;
|
jbe@210
|
194 size_t terminatorlen;
|
jbe@210
|
195 char terminator = 0; /* initialize to avoid compiler warning */
|
jbe@85
|
196 luaL_Buffer luabuf;
|
jbe@85
|
197 size_t luabufcnt = 0;
|
jbe@105
|
198 int remaining;
|
jbe@85
|
199 char *terminatorpos;
|
jbe@103
|
200 ssize_t bytesread;
|
jbe@85
|
201 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@153
|
202 maxread = luaL_optinteger(L, 2, -1);
|
jbe@85
|
203 terminatorstr = luaL_optlstring(L, 3, "", &terminatorlen);
|
jbe@85
|
204 if (terminatorlen) {
|
jbe@85
|
205 luaL_argcheck(L, terminatorlen == 1, 3, "single byte expected");
|
jbe@85
|
206 terminator = terminatorstr[0];
|
jbe@85
|
207 }
|
jbe@86
|
208 lua_settop(L, 1); /* return handle on drain, terminator string may be garbage collected */
|
jbe@94
|
209 if (handle->closed) luaL_error(L, "Attempt to read from a closed I/O handle");
|
jbe@85
|
210 if (handle->readerr) {
|
jbe@85
|
211 lua_pushnil(L);
|
jbe@85
|
212 lua_pushliteral(L, "Previous read error");
|
jbe@85
|
213 return 2;
|
jbe@85
|
214 }
|
jbe@143
|
215 if (handle->fd < 0) {
|
jbe@143
|
216 /* fake EOF to simulate shutdown */
|
jbe@143
|
217 if (!drain) lua_pushliteral(L, "");
|
jbe@143
|
218 else lua_pushinteger(L, 0);
|
jbe@143
|
219 lua_pushliteral(L, "eof");
|
jbe@143
|
220 return 2;
|
jbe@143
|
221 }
|
jbe@105
|
222 handle->readerr = 1;
|
jbe@257
|
223 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@86
|
224 if (!drain) luaL_buffinit(L, &luabuf);
|
jbe@85
|
225 while (1) {
|
jbe@105
|
226 remaining = -1;
|
jbe@142
|
227 terminatorpos = NULL;
|
jbe@105
|
228 if (
|
jbe@153
|
229 maxread >= 0 &&
|
jbe@143
|
230 handle->readbufin - handle->readbufout >= (size_t)maxread - luabufcnt
|
jbe@105
|
231 ) {
|
jbe@142
|
232 remaining = (size_t)maxread - luabufcnt;
|
jbe@193
|
233 if (terminatorlen) {
|
jbe@193
|
234 terminatorpos = memchr(
|
jbe@193
|
235 handle->readbuf + handle->readbufout,
|
jbe@193
|
236 terminator,
|
jbe@193
|
237 remaining
|
jbe@193
|
238 );
|
jbe@193
|
239 }
|
jbe@85
|
240 } else if (terminatorlen) {
|
jbe@105
|
241 terminatorpos = memchr(
|
jbe@105
|
242 handle->readbuf + handle->readbufout,
|
jbe@105
|
243 terminator,
|
jbe@105
|
244 handle->readbufin - handle->readbufout
|
jbe@105
|
245 );
|
jbe@85
|
246 }
|
jbe@142
|
247 if (terminatorpos) remaining = 1 + (
|
jbe@142
|
248 terminatorpos - (handle->readbuf + handle->readbufout)
|
jbe@142
|
249 );
|
jbe@105
|
250 if (remaining >= 0) {
|
jbe@86
|
251 if (!drain) {
|
jbe@105
|
252 luaL_addlstring(
|
jbe@105
|
253 &luabuf,
|
jbe@105
|
254 handle->readbuf + handle->readbufout,
|
jbe@105
|
255 remaining
|
jbe@105
|
256 );
|
jbe@86
|
257 luaL_pushresult(&luabuf);
|
jbe@90
|
258 } else {
|
jbe@105
|
259 lua_pushinteger(L, luabufcnt + remaining);
|
jbe@86
|
260 }
|
jbe@143
|
261 if (terminatorpos) lua_pushliteral(L, "term");
|
jbe@143
|
262 else lua_pushliteral(L, "maxlen");
|
jbe@105
|
263 handle->readbufout += remaining;
|
jbe@105
|
264 if (handle->readbufout == handle->readbufin) {
|
jbe@105
|
265 handle->readbufin = 0;
|
jbe@143
|
266 handle->readbufout = 0;
|
jbe@105
|
267 }
|
jbe@104
|
268 handle->readerr = 0;
|
jbe@143
|
269 return 2;
|
jbe@85
|
270 }
|
jbe@105
|
271 if (!drain) luaL_addlstring(
|
jbe@105
|
272 &luabuf,
|
jbe@105
|
273 handle->readbuf + handle->readbufout,
|
jbe@105
|
274 handle->readbufin - handle->readbufout
|
jbe@105
|
275 );
|
jbe@105
|
276 luabufcnt += handle->readbufin - handle->readbufout;
|
jbe@143
|
277 handle->readbufout = 0;
|
jbe@249
|
278 #ifdef MOONBR_IO_USE_TLS
|
jbe@249
|
279 if (handle->tls) {
|
jbe@250
|
280 do {
|
jbe@250
|
281 if (!handle->tlshandshake) {
|
jbe@250
|
282 do bytesread = tls_handshake(handle->tls);
|
jbe@250
|
283 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
284 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
285 handle->tlshandshake = bytesread;
|
jbe@250
|
286 errno = EAGAIN;
|
jbe@250
|
287 break;
|
jbe@250
|
288 }
|
jbe@250
|
289 if (bytesread < 0) {
|
jbe@250
|
290 lua_pushnil(L);
|
jbe@250
|
291 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
292 return 2;
|
jbe@250
|
293 }
|
jbe@250
|
294 handle->tlshandshake = 1;
|
jbe@250
|
295 }
|
jbe@250
|
296 do bytesread = tls_read(handle->tls, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@250
|
297 while (!nonblocking && (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT));
|
jbe@250
|
298 if (bytesread == TLS_WANT_POLLIN || bytesread == TLS_WANT_POLLOUT) {
|
jbe@250
|
299 errno = EAGAIN;
|
jbe@250
|
300 break;
|
jbe@250
|
301 }
|
jbe@250
|
302 if (bytesread < 0) {
|
jbe@250
|
303 lua_pushnil(L);
|
jbe@250
|
304 lua_pushstring(L, tls_error(handle->tls));
|
jbe@250
|
305 return 2;
|
jbe@250
|
306 }
|
jbe@250
|
307 } while (0);
|
jbe@249
|
308 }
|
jbe@249
|
309 else
|
jbe@249
|
310 #endif
|
jbe@249
|
311 do bytesread = read(handle->fd, handle->readbuf, MOONBR_IO_READBUFLEN);
|
jbe@249
|
312 while (bytesread < 0 && (errno == EINTR));
|
jbe@105
|
313 if (
|
jbe@105
|
314 bytesread == 0 || (
|
jbe@105
|
315 nonblocking &&
|
jbe@105
|
316 bytesread < 0 && (errno == EAGAIN || errno == EWOULDBLOCK)
|
jbe@105
|
317 )
|
jbe@105
|
318 ) {
|
jbe@105
|
319 handle->readbufin = 0;
|
jbe@143
|
320 if (!drain) luaL_pushresult(&luabuf);
|
jbe@143
|
321 else lua_pushinteger(L, luabufcnt);
|
jbe@143
|
322 if (bytesread == 0) lua_pushliteral(L, "eof");
|
jbe@143
|
323 else lua_pushliteral(L, "block");
|
jbe@105
|
324 handle->readerr = 0;
|
jbe@143
|
325 return 2;
|
jbe@105
|
326 }
|
jbe@257
|
327 if (bytesread < 0) moonbr_io_return_errmsg();
|
jbe@105
|
328 handle->readbufin = bytesread;
|
jbe@86
|
329 }
|
jbe@85
|
330 }
|
jbe@85
|
331
|
jbe@85
|
332 static int moonbr_io_read(lua_State *L) {
|
jbe@86
|
333 return moonbr_io_read_impl(L, 0, 0);
|
jbe@85
|
334 }
|
jbe@85
|
335
|
jbe@85
|
336 static int moonbr_io_read_nb(lua_State *L) {
|
jbe@86
|
337 return moonbr_io_read_impl(L, 1, 0);
|
jbe@86
|
338 }
|
jbe@86
|
339
|
jbe@86
|
340 static int moonbr_io_drain(lua_State *L) {
|
jbe@86
|
341 return moonbr_io_read_impl(L, 0, 1);
|
jbe@86
|
342 }
|
jbe@86
|
343
|
jbe@86
|
344 static int moonbr_io_drain_nb(lua_State *L) {
|
jbe@86
|
345 return moonbr_io_read_impl(L, 1, 1);
|
jbe@85
|
346 }
|
jbe@85
|
347
|
jbe@140
|
348 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
349 static int moonbr_io_read_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@140
|
350 #else
|
jbe@140
|
351 static int moonbr_io_read_cont(lua_State *L) {
|
jbe@140
|
352 #endif
|
jbe@143
|
353 lua_Integer remaining;
|
jbe@143
|
354 size_t len;
|
jbe@140
|
355 #if !(LUA_VERSION_NUM >= 503)
|
jbe@140
|
356 int ctx = 0;
|
jbe@140
|
357 lua_getctx(L, &ctx);
|
jbe@140
|
358 #endif
|
jbe@140
|
359 remaining = lua_tointeger(L, 3);
|
jbe@140
|
360 while (1) {
|
jbe@140
|
361 lua_pushcfunction(L, moonbr_io_read_nb);
|
jbe@140
|
362 lua_pushvalue(L, 1);
|
jbe@140
|
363 lua_pushvalue(L, 3);
|
jbe@140
|
364 lua_pushvalue(L, 4);
|
jbe@140
|
365 lua_call(L, 3, 2);
|
jbe@143
|
366 if (lua_isnil(L, -2)) return 2;
|
jbe@143
|
367 lua_insert(L, -2);
|
jbe@143
|
368 len = lua_rawlen(L, -1);
|
jbe@143
|
369 if (ctx == 0) {
|
jbe@143
|
370 lua_replace(L, 5);
|
jbe@143
|
371 ctx = 1;
|
jbe@143
|
372 } else if (ctx == 1) {
|
jbe@143
|
373 lua_pushvalue(L, 5);
|
jbe@143
|
374 lua_newtable(L);
|
jbe@143
|
375 lua_replace(L, 5);
|
jbe@143
|
376 lua_rawseti(L, 5, 2);
|
jbe@143
|
377 lua_rawseti(L, 5, 1);
|
jbe@143
|
378 ctx = 2;
|
jbe@140
|
379 } else {
|
jbe@143
|
380 lua_rawseti(L, 5, lua_rawlen(L, 5) + 1);
|
jbe@140
|
381 }
|
jbe@144
|
382 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
383 lua_pop(L, 1);
|
jbe@144
|
384 if (remaining >= 0 && len) {
|
jbe@143
|
385 remaining -= len;
|
jbe@143
|
386 lua_pushinteger(L, remaining);
|
jbe@143
|
387 lua_replace(L, 3);
|
jbe@143
|
388 }
|
jbe@140
|
389 lua_pushvalue(L, 2);
|
jbe@152
|
390 lua_callk(L, 0, 0, ctx, moonbr_io_read_cont);
|
jbe@140
|
391 }
|
jbe@140
|
392 if (ctx == 1) {
|
jbe@140
|
393 lua_pushvalue(L, 5);
|
jbe@140
|
394 } else {
|
jbe@140
|
395 luaL_Buffer buf;
|
jbe@140
|
396 lua_Integer i, chunkcount;
|
jbe@140
|
397 chunkcount = lua_rawlen(L, 5);
|
jbe@140
|
398 luaL_buffinit(L, &buf);
|
jbe@140
|
399 for (i=1; i<=chunkcount && i>0; i++) {
|
jbe@140
|
400 lua_rawgeti(L, 5, i);
|
jbe@140
|
401 luaL_addvalue(&buf);
|
jbe@140
|
402 }
|
jbe@140
|
403 luaL_pushresult(&buf);
|
jbe@140
|
404 }
|
jbe@143
|
405 lua_pushvalue(L, -2);
|
jbe@143
|
406 return 2;
|
jbe@140
|
407 }
|
jbe@140
|
408
|
jbe@140
|
409 static int moonbr_io_read_call(lua_State *L) {
|
jbe@140
|
410 lua_settop(L, 4);
|
jbe@140
|
411 lua_pushnil(L);
|
jbe@140
|
412 #if LUA_VERSION_NUM >= 503
|
jbe@140
|
413 return moonbr_io_read_cont(L, 0, 0);
|
jbe@140
|
414 #else
|
jbe@140
|
415 return moonbr_io_read_cont(L);
|
jbe@140
|
416 #endif
|
jbe@140
|
417 }
|
jbe@140
|
418
|
jbe@145
|
419 moonbr_io_yield_wrapper(moonbr_io_read_yield, moonbr_io_read_call);
|
jbe@140
|
420
|
jbe@144
|
421 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
422 static int moonbr_io_drain_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@144
|
423 #else
|
jbe@144
|
424 static int moonbr_io_drain_cont(lua_State *L) {
|
jbe@144
|
425 #endif
|
jbe@144
|
426 lua_Integer remaining, len;
|
jbe@144
|
427 size_t totallen = 0;
|
jbe@144
|
428 #if !(LUA_VERSION_NUM >= 503)
|
jbe@144
|
429 int ctx = 0;
|
jbe@144
|
430 lua_getctx(L, &ctx);
|
jbe@144
|
431 #endif
|
jbe@144
|
432 remaining = lua_tointeger(L, 3);
|
jbe@144
|
433 while (1) {
|
jbe@144
|
434 lua_pushcfunction(L, moonbr_io_drain_nb);
|
jbe@144
|
435 lua_pushvalue(L, 1);
|
jbe@144
|
436 lua_pushvalue(L, 3);
|
jbe@144
|
437 lua_pushvalue(L, 4);
|
jbe@144
|
438 lua_call(L, 3, 2);
|
jbe@144
|
439 if (lua_isnil(L, -2)) return 2;
|
jbe@144
|
440 lua_insert(L, -2);
|
jbe@144
|
441 len = lua_tointeger(L, -1);
|
jbe@144
|
442 lua_pop(L, 1);
|
jbe@144
|
443 totallen += len;
|
jbe@144
|
444 if (strcmp(lua_tostring(L, -1), "block") != 0) break;
|
jbe@144
|
445 lua_pop(L, 1);
|
jbe@144
|
446 if (remaining >= 0 && len) {
|
jbe@144
|
447 remaining -= len;
|
jbe@144
|
448 lua_pushinteger(L, remaining);
|
jbe@144
|
449 lua_replace(L, 3);
|
jbe@144
|
450 }
|
jbe@144
|
451 lua_pushvalue(L, 2);
|
jbe@152
|
452 lua_callk(L, 0, 0, ctx, moonbr_io_drain_cont);
|
jbe@144
|
453 }
|
jbe@144
|
454 lua_pushinteger(L, totallen);
|
jbe@144
|
455 lua_pushvalue(L, -2);
|
jbe@144
|
456 return 2;
|
jbe@144
|
457 }
|
jbe@144
|
458
|
jbe@144
|
459 static int moonbr_io_drain_call(lua_State *L) {
|
jbe@144
|
460 #if LUA_VERSION_NUM >= 503
|
jbe@144
|
461 return moonbr_io_drain_cont(L, 0, 0);
|
jbe@144
|
462 #else
|
jbe@144
|
463 return moonbr_io_drain_cont(L);
|
jbe@144
|
464 #endif
|
jbe@144
|
465 }
|
jbe@144
|
466
|
jbe@145
|
467 moonbr_io_yield_wrapper(moonbr_io_drain_yield, moonbr_io_drain_call);
|
jbe@144
|
468
|
jbe@250
|
469 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
470
|
jbe@250
|
471 #define moonbr_io_write_tls(buf, buflen) \
|
jbe@250
|
472 if (handle->tls) { \
|
jbe@250
|
473 do { \
|
jbe@250
|
474 if (!handle->tlshandshake) { \
|
jbe@250
|
475 do written = tls_handshake(handle->tls); \
|
jbe@250
|
476 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
477 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
478 handle->tlshandshake = written; \
|
jbe@250
|
479 errno = EAGAIN; \
|
jbe@250
|
480 break; \
|
jbe@250
|
481 } \
|
jbe@250
|
482 if (written < 0) { \
|
jbe@250
|
483 lua_pushnil(L); \
|
jbe@250
|
484 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
485 return 2; \
|
jbe@250
|
486 } \
|
jbe@250
|
487 handle->tlshandshake = 1; \
|
jbe@250
|
488 } \
|
jbe@250
|
489 do written = tls_write(handle->tls, (buf), (buflen)); \
|
jbe@250
|
490 while (!nonblocking && (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT)); \
|
jbe@250
|
491 if (written == TLS_WANT_POLLIN || written == TLS_WANT_POLLOUT) { \
|
jbe@250
|
492 errno = EAGAIN; \
|
jbe@250
|
493 break; \
|
jbe@250
|
494 } \
|
jbe@250
|
495 if (written < 0) { \
|
jbe@250
|
496 lua_pushnil(L); \
|
jbe@250
|
497 lua_pushstring(L, tls_error(handle->tls)); \
|
jbe@250
|
498 return 2; \
|
jbe@250
|
499 } \
|
jbe@250
|
500 } while (0); \
|
jbe@250
|
501 } \
|
jbe@250
|
502 else
|
jbe@258
|
503
|
jbe@258
|
504 #endif /* MOONBR_IO_USE_TLS */
|
jbe@250
|
505
|
jbe@81
|
506 static int moonbr_io_write_impl(lua_State *L, int nonblocking, int flush) {
|
jbe@80
|
507 moonbr_io_handle_t *handle;
|
jbe@80
|
508 int i, top;
|
jbe@80
|
509 const char *str;
|
jbe@92
|
510 size_t strlen;
|
jbe@103
|
511 ssize_t written;
|
jbe@80
|
512 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
513 if (handle->closed) luaL_error(L, "Attempt to write to a closed I/O handle");
|
jbe@94
|
514 if (handle->finished) luaL_error(L, "Attempt to write to a finished I/O handle");
|
jbe@81
|
515 if (handle->writeerr) {
|
jbe@80
|
516 lua_pushnil(L);
|
jbe@80
|
517 lua_pushliteral(L, "Previous write error");
|
jbe@80
|
518 return 2;
|
jbe@80
|
519 }
|
jbe@103
|
520 handle->writeerr = 1;
|
jbe@257
|
521 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@84
|
522 top = lua_gettop(L);
|
jbe@81
|
523 lua_getuservalue(L, 1);
|
jbe@103
|
524 lua_getfield(L, -1, "writequeue");
|
jbe@84
|
525 for (i=2; i<=top; i++) {
|
jbe@84
|
526 luaL_checklstring(L, i, &strlen);
|
jbe@84
|
527 lua_pushvalue(L, i);
|
jbe@84
|
528 lua_rawseti(L, -2, handle->writeqin++);
|
jbe@84
|
529 handle->writeleft += strlen;
|
jbe@81
|
530 }
|
jbe@132
|
531 if (flush) handle->flushedleft = handle->writeleft;
|
jbe@83
|
532 while (handle->writeqout != handle->writeqin) {
|
jbe@83
|
533 lua_rawgeti(L, -1, handle->writeqout);
|
jbe@81
|
534 str = lua_tolstring(L, -1, &strlen);
|
jbe@92
|
535 while (handle->writeqoff < strlen) {
|
jbe@103
|
536 if (
|
jbe@132
|
537 strlen - handle->writeqoff <
|
jbe@103
|
538 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
539 ) {
|
jbe@103
|
540 memcpy(
|
jbe@103
|
541 handle->writebuf + handle->writebufin,
|
jbe@103
|
542 str + handle->writeqoff,
|
jbe@103
|
543 strlen - handle->writeqoff
|
jbe@103
|
544 );
|
jbe@103
|
545 handle->writebufin += strlen - handle->writeqoff;
|
jbe@80
|
546 break;
|
jbe@80
|
547 } else {
|
jbe@103
|
548 memcpy(
|
jbe@103
|
549 handle->writebuf + handle->writebufin,
|
jbe@103
|
550 str + handle->writeqoff,
|
jbe@103
|
551 MOONBR_IO_WRITEBUFLEN - handle->writebufin
|
jbe@103
|
552 );
|
jbe@103
|
553 handle->writeqoff += MOONBR_IO_WRITEBUFLEN - handle->writebufin;
|
jbe@228
|
554 handle->writebufin = MOONBR_IO_WRITEBUFLEN;
|
jbe@103
|
555 while (handle->writebufout < MOONBR_IO_WRITEBUFLEN) {
|
jbe@257
|
556 if (moonbr_io_handle_set_nopush(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@249
|
557 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
558 moonbr_io_write_tls(
|
jbe@250
|
559 handle->writebuf + handle->writebufout,
|
jbe@250
|
560 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@250
|
561 )
|
jbe@249
|
562 #endif
|
jbe@103
|
563 written = write(
|
jbe@103
|
564 handle->fd,
|
jbe@103
|
565 handle->writebuf + handle->writebufout,
|
jbe@103
|
566 MOONBR_IO_WRITEBUFLEN - handle->writebufout
|
jbe@103
|
567 );
|
jbe@103
|
568 if (written < 0) {
|
jbe@81
|
569 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@81
|
570 goto moonbr_io_write_impl_block;
|
jbe@257
|
571 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@103
|
572 } else {
|
jbe@103
|
573 handle->writebufout += written;
|
jbe@103
|
574 handle->writeleft -= written;
|
jbe@133
|
575 if (handle->flushedleft) {
|
jbe@133
|
576 if (written >= handle->flushedleft) {
|
jbe@133
|
577 handle->flushedleft = 0;
|
jbe@257
|
578 if (moonbr_io_handle_set_nopush(L, handle, 0)) moonbr_io_return_errmsg();
|
jbe@133
|
579 } else {
|
jbe@133
|
580 handle->flushedleft -= written;
|
jbe@133
|
581 }
|
jbe@133
|
582 }
|
jbe@80
|
583 }
|
jbe@80
|
584 }
|
jbe@103
|
585 handle->writebufin = 0;
|
jbe@103
|
586 handle->writebufout = 0;
|
jbe@80
|
587 }
|
jbe@80
|
588 }
|
jbe@81
|
589 handle->writeqoff = 0;
|
jbe@81
|
590 lua_pop(L, 1);
|
jbe@81
|
591 lua_pushnil(L);
|
jbe@83
|
592 lua_rawseti(L, -2, handle->writeqout++);
|
jbe@80
|
593 }
|
jbe@132
|
594 while (handle->flushedleft) {
|
jbe@257
|
595 if (moonbr_io_handle_set_nopush(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@249
|
596 #ifdef MOONBR_IO_USE_TLS
|
jbe@250
|
597 moonbr_io_write_tls(
|
jbe@250
|
598 handle->writebuf + handle->writebufout,
|
jbe@250
|
599 handle->writebufin - handle->writebufout
|
jbe@250
|
600 )
|
jbe@249
|
601 #endif
|
jbe@132
|
602 written = write(
|
jbe@132
|
603 handle->fd,
|
jbe@132
|
604 handle->writebuf + handle->writebufout,
|
jbe@132
|
605 handle->writebufin - handle->writebufout
|
jbe@132
|
606 );
|
jbe@132
|
607 if (written < 0) {
|
jbe@132
|
608 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@132
|
609 goto moonbr_io_write_impl_block;
|
jbe@257
|
610 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@132
|
611 } else {
|
jbe@132
|
612 handle->writebufout += written;
|
jbe@132
|
613 handle->writeleft -= written;
|
jbe@133
|
614 if (handle->flushedleft) {
|
jbe@133
|
615 if (written >= handle->flushedleft) {
|
jbe@133
|
616 handle->flushedleft = 0;
|
jbe@257
|
617 if (moonbr_io_handle_set_nopush(L, handle, 0)) moonbr_io_return_errmsg();
|
jbe@133
|
618 } else {
|
jbe@133
|
619 handle->flushedleft -= written;
|
jbe@133
|
620 }
|
jbe@133
|
621 }
|
jbe@81
|
622 }
|
jbe@132
|
623 }
|
jbe@132
|
624 if (handle->writebufout == handle->writebufin) {
|
jbe@103
|
625 handle->writebufin = 0;
|
jbe@103
|
626 handle->writebufout = 0;
|
jbe@81
|
627 }
|
jbe@103
|
628 if (nonblocking) lua_pushinteger(L, 0);
|
jbe@103
|
629 else lua_pushvalue(L, 1);
|
jbe@103
|
630 handle->writeerr = 0;
|
jbe@80
|
631 return 1;
|
jbe@81
|
632 moonbr_io_write_impl_block:
|
jbe@91
|
633 lua_pushinteger(L, handle->writeleft);
|
jbe@103
|
634 handle->writeerr = 0;
|
jbe@81
|
635 return 1;
|
jbe@81
|
636 }
|
jbe@81
|
637
|
jbe@81
|
638 static int moonbr_io_write(lua_State *L) {
|
jbe@81
|
639 return moonbr_io_write_impl(L, 0, 0);
|
jbe@81
|
640 }
|
jbe@81
|
641
|
jbe@81
|
642 static int moonbr_io_write_nb(lua_State *L) {
|
jbe@81
|
643 return moonbr_io_write_impl(L, 1, 0);
|
jbe@80
|
644 }
|
jbe@80
|
645
|
jbe@80
|
646 static int moonbr_io_flush(lua_State *L) {
|
jbe@81
|
647 return moonbr_io_write_impl(L, 0, 1);
|
jbe@81
|
648 }
|
jbe@81
|
649
|
jbe@81
|
650 static int moonbr_io_flush_nb(lua_State *L) {
|
jbe@81
|
651 return moonbr_io_write_impl(L, 1, 1);
|
jbe@80
|
652 }
|
jbe@80
|
653
|
jbe@145
|
654 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
655 static int moonbr_io_write_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@145
|
656 #else
|
jbe@145
|
657 static int moonbr_io_write_cont(lua_State *L) {
|
jbe@145
|
658 #endif
|
jbe@145
|
659 while (1) {
|
jbe@145
|
660 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
661 lua_pushvalue(L, 1);
|
jbe@145
|
662 lua_call(L, 1, 2);
|
jbe@145
|
663 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
664 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
665 lua_pushvalue(L, 1);
|
jbe@145
|
666 return 1;
|
jbe@145
|
667 }
|
jbe@145
|
668 lua_pop(L, 2);
|
jbe@145
|
669 lua_pushvalue(L, 2);
|
jbe@152
|
670 lua_callk(L, 0, 0, 0, moonbr_io_write_cont);
|
jbe@145
|
671 }
|
jbe@145
|
672 }
|
jbe@145
|
673
|
jbe@145
|
674 static int moonbr_io_write_call(lua_State *L) {
|
jbe@145
|
675 lua_pushcfunction(L, moonbr_io_write_nb);
|
jbe@145
|
676 lua_insert(L, 3);
|
jbe@145
|
677 lua_pushvalue(L, 1);
|
jbe@145
|
678 lua_insert(L, 4);
|
jbe@145
|
679 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
680 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
681 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
682 lua_pushvalue(L, 1);
|
jbe@145
|
683 return 1;
|
jbe@145
|
684 }
|
jbe@145
|
685 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
686 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
687 #else
|
jbe@145
|
688 return moonbr_io_write_cont(L);
|
jbe@145
|
689 #endif
|
jbe@145
|
690 }
|
jbe@145
|
691
|
jbe@145
|
692 moonbr_io_yield_wrapper(moonbr_io_write_yield, moonbr_io_write_call);
|
jbe@145
|
693
|
jbe@145
|
694 static int moonbr_io_flush_call(lua_State *L) {
|
jbe@145
|
695 lua_pushcfunction(L, moonbr_io_flush_nb);
|
jbe@145
|
696 lua_insert(L, 3);
|
jbe@145
|
697 lua_pushvalue(L, 1);
|
jbe@145
|
698 lua_insert(L, 4);
|
jbe@145
|
699 lua_call(L, lua_gettop(L) - 3, 2);
|
jbe@145
|
700 if (lua_isnil(L, -2)) return 2;
|
jbe@145
|
701 if (!lua_tointeger(L, -2)) {
|
jbe@145
|
702 lua_pushvalue(L, 1);
|
jbe@145
|
703 return 1;
|
jbe@145
|
704 }
|
jbe@145
|
705 #if LUA_VERSION_NUM >= 503
|
jbe@145
|
706 return moonbr_io_write_cont(L, 0, 0);
|
jbe@145
|
707 #else
|
jbe@145
|
708 return moonbr_io_write_cont(L);
|
jbe@145
|
709 #endif
|
jbe@145
|
710 }
|
jbe@145
|
711
|
jbe@145
|
712 moonbr_io_yield_wrapper(moonbr_io_flush_yield, moonbr_io_flush_call);
|
jbe@145
|
713
|
jbe@88
|
714 static int moonbr_io_finish(lua_State *L) {
|
jbe@88
|
715 moonbr_io_handle_t *handle;
|
jbe@88
|
716 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
717 if (handle->closed) luaL_error(L, "Attempt to finish a closed I/O handle");
|
jbe@94
|
718 if (handle->finished) luaL_error(L, "Attempt to finish a finished I/O handle");
|
jbe@94
|
719 if (handle->writeleft) {
|
jbe@94
|
720 lua_pushcfunction(L, moonbr_io_flush);
|
jbe@94
|
721 lua_pushvalue(L, 1);
|
jbe@116
|
722 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@116
|
723 handle->finished = 1;
|
jbe@116
|
724 lua_error(L);
|
jbe@116
|
725 }
|
jbe@94
|
726 if (!lua_toboolean(L, -2)) {
|
jbe@94
|
727 handle->finished = 1;
|
jbe@94
|
728 return 2;
|
jbe@88
|
729 }
|
jbe@94
|
730 }
|
jbe@94
|
731 handle->finished = 1;
|
jbe@260
|
732 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
733 if ((handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) && !handle->tls) {
|
jbe@260
|
734 #else
|
jbe@107
|
735 if (handle->addrfam == AF_INET6 || handle->addrfam == AF_INET) {
|
jbe@260
|
736 #endif
|
jbe@257
|
737 if (shutdown(handle->fd, SHUT_WR)) moonbr_io_return_errmsg();
|
jbe@94
|
738 } else {
|
jbe@251
|
739 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
740 if (handle->tls) {
|
jbe@260
|
741 int status;
|
jbe@260
|
742 if (moonbr_io_handle_set_nonblocking(L, handle, 1)) moonbr_io_return_errmsg();
|
jbe@260
|
743 do status = tls_close(handle->tls);
|
jbe@260
|
744 while (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT);
|
jbe@260
|
745 if (status) {
|
jbe@260
|
746 close(handle->fd);
|
jbe@260
|
747 handle->fd = -1;
|
jbe@260
|
748 lua_pushnil(L);
|
jbe@260
|
749 lua_pushstring(L, tls_error(handle->tls));
|
jbe@260
|
750 return 2;
|
jbe@260
|
751 }
|
jbe@260
|
752 }
|
jbe@251
|
753 #endif
|
jbe@94
|
754 if (close(handle->fd)) {
|
jbe@94
|
755 handle->fd = -1;
|
jbe@257
|
756 moonbr_io_return_errmsg();
|
jbe@94
|
757 }
|
jbe@94
|
758 handle->fd = -1; /* fake EOF on read */
|
jbe@88
|
759 }
|
jbe@88
|
760 lua_pushboolean(L, 1);
|
jbe@88
|
761 return 1;
|
jbe@88
|
762 }
|
jbe@88
|
763
|
jbe@261
|
764 static int moonbr_io_close_impl(lua_State *L, int nonblocking, int reset) {
|
jbe@83
|
765 moonbr_io_handle_t *handle;
|
jbe@83
|
766 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@94
|
767 if (handle->closed) luaL_error(L, "Attempt to close a closed I/O handle");
|
jbe@259
|
768 if (!reset && handle->fd >= 0) {
|
jbe@87
|
769 if (handle->writeleft) {
|
jbe@261
|
770 lua_pushcfunction(L, nonblocking ? moonbr_io_flush_nb : moonbr_io_flush);
|
jbe@87
|
771 lua_pushvalue(L, 1);
|
jbe@116
|
772 if (lua_pcall(L, 1, 2, 0)) {
|
jbe@129
|
773 handle->closed = 1;
|
jbe@116
|
774 close(handle->fd);
|
jbe@116
|
775 handle->fd = -1;
|
jbe@116
|
776 lua_error(L);
|
jbe@116
|
777 }
|
jbe@261
|
778 if (!nonblocking) handle->closed = 1; /* TODO: handle nonblocking case */
|
jbe@87
|
779 if (!lua_toboolean(L, -2)) {
|
jbe@87
|
780 close(handle->fd);
|
jbe@87
|
781 handle->fd = -1;
|
jbe@87
|
782 return 2;
|
jbe@87
|
783 }
|
jbe@261
|
784 #if LUA_VERSION_NUM >= 503
|
jbe@261
|
785 if (nonblocking && lua_tointeger(L, -2)) {
|
jbe@261
|
786 #else
|
jbe@261
|
787 if (nonblocking && lua_tonumber(L, -2)) {
|
jbe@261
|
788 #endif
|
jbe@261
|
789 lua_pushliteral(L, "flush");
|
jbe@261
|
790 lua_pushvalue(L, -3);
|
jbe@261
|
791 return 2;
|
jbe@261
|
792 }
|
jbe@129
|
793 } else {
|
jbe@129
|
794 handle->closed = 1;
|
jbe@83
|
795 }
|
jbe@260
|
796 #ifdef MOONBR_IO_USE_TLS
|
jbe@260
|
797 if (handle->tls) {
|
jbe@260
|
798 int status;
|
jbe@261
|
799 if (moonbr_io_handle_set_nonblocking(L, handle, nonblocking)) moonbr_io_return_errmsg();
|
jbe@260
|
800 do status = tls_close(handle->tls);
|
jbe@261
|
801 while (!nonblocking && (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT));
|
jbe@261
|
802 if (status == TLS_WANT_POLLIN || status == TLS_WANT_POLLOUT) {
|
jbe@261
|
803 handle->tlsclosing = status; /* TODO: handle polling */
|
jbe@261
|
804 lua_pushliteral(L, "close");
|
jbe@261
|
805 return 1;
|
jbe@261
|
806 }
|
jbe@260
|
807 if (status) {
|
jbe@260
|
808 close(handle->fd);
|
jbe@260
|
809 handle->fd = -1;
|
jbe@260
|
810 lua_pushnil(L);
|
jbe@260
|
811 lua_pushstring(L, tls_error(handle->tls));
|
jbe@260
|
812 return 2;
|
jbe@260
|
813 }
|
jbe@260
|
814 }
|
jbe@260
|
815 #endif
|
jbe@256
|
816 if (moonbr_io_handle_set_linger(L, handle, -1)) {
|
jbe@257
|
817 moonbr_io_prepare_errmsg();
|
jbe@256
|
818 close(handle->fd);
|
jbe@256
|
819 handle->fd = -1;
|
jbe@257
|
820 moonbr_io_return_prepared_errmsg();
|
jbe@256
|
821 }
|
jbe@129
|
822 } else {
|
jbe@129
|
823 handle->closed = 1;
|
jbe@83
|
824 }
|
jbe@94
|
825 if (handle->fd >= 0) {
|
jbe@94
|
826 if (close(handle->fd)) {
|
jbe@94
|
827 handle->fd = -1;
|
jbe@257
|
828 moonbr_io_return_errmsg();
|
jbe@94
|
829 }
|
jbe@104
|
830 handle->fd = -1;
|
jbe@83
|
831 }
|
jbe@83
|
832 lua_pushboolean(L, 1);
|
jbe@83
|
833 return 1;
|
jbe@84
|
834
|
jbe@83
|
835 }
|
jbe@83
|
836
|
jbe@94
|
837 static int moonbr_io_close(lua_State *L) {
|
jbe@261
|
838 return moonbr_io_close_impl(L, 0, 0);
|
jbe@94
|
839 }
|
jbe@94
|
840
|
jbe@84
|
841 static int moonbr_io_reset(lua_State *L) {
|
jbe@261
|
842 return moonbr_io_close_impl(L, 0, 1);
|
jbe@84
|
843 }
|
jbe@84
|
844
|
jbe@108
|
845 static int moonbr_io_handlegc(lua_State *L) {
|
jbe@88
|
846 moonbr_io_handle_t *handle;
|
jbe@88
|
847 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@88
|
848 if (handle->fd >= 0) {
|
jbe@218
|
849 lua_pushcfunction(L, moonbr_io_reset);
|
jbe@88
|
850 lua_pushvalue(L, 1);
|
jbe@88
|
851 lua_pushinteger(L, 0);
|
jbe@88
|
852 lua_call(L, 2, 0);
|
jbe@88
|
853 }
|
jbe@246
|
854 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
855 if (handle->tls) {
|
jbe@246
|
856 tls_free(handle->tls);
|
jbe@246
|
857 handle->tls = NULL;
|
jbe@246
|
858 }
|
jbe@246
|
859 if (handle->servertls) {
|
jbe@246
|
860 tls_free(handle->servertls);
|
jbe@246
|
861 handle->servertls = NULL;
|
jbe@246
|
862 }
|
jbe@246
|
863 #endif
|
jbe@88
|
864 return 0;
|
jbe@88
|
865 }
|
jbe@88
|
866
|
jbe@100
|
867 void moonbr_io_closehandle(lua_State *L, int idx, int reset) {
|
jbe@88
|
868 moonbr_io_handle_t *handle;
|
jbe@88
|
869 handle = luaL_checkudata(L, idx, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@100
|
870 if (!handle->closed) {
|
jbe@100
|
871 lua_pushcfunction(L, reset ? moonbr_io_reset : moonbr_io_close);
|
jbe@100
|
872 lua_pushvalue(L, idx < 0 ? idx-1 : idx);
|
jbe@100
|
873 lua_call(L, 1, 0);
|
jbe@88
|
874 }
|
jbe@88
|
875 }
|
jbe@88
|
876
|
jbe@208
|
877 static int moonbr_io_pushhandle_impl(lua_State *L) {
|
jbe@208
|
878 int *fd;
|
jbe@79
|
879 moonbr_io_handle_t *handle;
|
jbe@107
|
880 struct sockaddr addr;
|
jbe@107
|
881 socklen_t addrlen;
|
jbe@208
|
882 fd = lua_touserdata(L, 1);
|
jbe@79
|
883 handle = lua_newuserdata(L, sizeof(moonbr_io_handle_t));
|
jbe@208
|
884 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@107
|
885 addrlen = sizeof(addr);
|
jbe@208
|
886 if (getsockname(*fd, &addr, &addrlen)) {
|
jbe@107
|
887 if (errno != ENOTSOCK) {
|
jbe@257
|
888 moonbr_io_prepare_errmsg();
|
jbe@107
|
889 luaL_error(L, "Unexpected error when examining socket: %s", errmsg);
|
jbe@107
|
890 }
|
jbe@107
|
891 handle->issock = 0;
|
jbe@107
|
892 } else {
|
jbe@107
|
893 handle->issock = 1;
|
jbe@107
|
894 handle->addrfam = addr.sa_family;
|
jbe@107
|
895 }
|
jbe@94
|
896 handle->finished = 0;
|
jbe@94
|
897 handle->closed = 0;
|
jbe@81
|
898 handle->nonblocking = -1;
|
jbe@95
|
899 handle->nopush = -1;
|
jbe@85
|
900 handle->readerr = 0;
|
jbe@105
|
901 handle->readbufin = 0;
|
jbe@105
|
902 handle->readbufout = 0;
|
jbe@81
|
903 handle->writeerr = 0;
|
jbe@81
|
904 handle->writeleft = 0;
|
jbe@132
|
905 handle->flushedleft = 0;
|
jbe@83
|
906 handle->writeqin = 0;
|
jbe@83
|
907 handle->writeqout = 0;
|
jbe@81
|
908 handle->writeqoff = 0;
|
jbe@103
|
909 handle->writebufin = 0;
|
jbe@103
|
910 handle->writebufout = 0;
|
jbe@246
|
911 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
912 handle->tls = NULL;
|
jbe@246
|
913 handle->servertls = NULL;
|
jbe@250
|
914 handle->tlshandshake = 0;
|
jbe@261
|
915 handle->tlsclosing = 0;
|
jbe@246
|
916 #endif
|
jbe@208
|
917 handle->fd = *fd; /* required for set_linger call */
|
jbe@256
|
918 if (moonbr_io_handle_set_linger(L, handle, 0)) {
|
jbe@257
|
919 moonbr_io_prepare_errmsg();
|
jbe@256
|
920 handle->fd = -1;
|
jbe@256
|
921 luaL_error(L, "Unexpected error while setting SO_LINGER with setsockopt: %s", errmsg);
|
jbe@256
|
922 }
|
jbe@208
|
923 handle->fd = -1; /* avoid closing incomplete handle */
|
jbe@238
|
924 luaL_setmetatable(L, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
925 lua_newtable(L); // uservalue
|
jbe@81
|
926 lua_newtable(L);
|
jbe@103
|
927 lua_setfield(L, -2, "writequeue");
|
jbe@79
|
928 lua_newtable(L); // public
|
jbe@107
|
929 if (handle->addrfam == AF_INET6) {
|
jbe@107
|
930 struct sockaddr_in6 addr_in6;
|
jbe@107
|
931 char addrstrbuf[INET6_ADDRSTRLEN];
|
jbe@107
|
932 const char *addrstr;
|
jbe@107
|
933 addrlen = sizeof(addr_in6);
|
jbe@208
|
934 if (getsockname(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@257
|
935 moonbr_io_prepare_errmsg();
|
jbe@107
|
936 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
937 }
|
jbe@107
|
938 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
939 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
940 }
|
jbe@107
|
941 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
942 if (!addrstr) {
|
jbe@257
|
943 moonbr_io_prepare_errmsg();
|
jbe@107
|
944 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
945 } else {
|
jbe@107
|
946 lua_pushstring(L, addrstr);
|
jbe@107
|
947 lua_setfield(L, -2, "local_ip6");
|
jbe@107
|
948 }
|
jbe@107
|
949 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
950 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
951 if (getpeername(*fd, (struct sockaddr *)&addr_in6, &addrlen)) {
|
jbe@257
|
952 moonbr_io_prepare_errmsg();
|
jbe@107
|
953 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
954 }
|
jbe@107
|
955 if (addrlen > sizeof(addr_in6)) {
|
jbe@107
|
956 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
957 }
|
jbe@107
|
958 addrstr = inet_ntop(AF_INET6, addr_in6.sin6_addr.s6_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
959 if (!addrstr) {
|
jbe@257
|
960 moonbr_io_prepare_errmsg();
|
jbe@107
|
961 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
962 } else {
|
jbe@107
|
963 lua_pushstring(L, addrstr);
|
jbe@107
|
964 lua_setfield(L, -2, "remote_ip6");
|
jbe@107
|
965 }
|
jbe@107
|
966 lua_pushinteger(L, ntohs(addr_in6.sin6_port));
|
jbe@107
|
967 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
968 } else if (handle->addrfam == AF_INET) {
|
jbe@107
|
969 struct sockaddr_in addr_in;
|
jbe@107
|
970 char addrstrbuf[INET_ADDRSTRLEN];
|
jbe@107
|
971 const char *addrstr;
|
jbe@107
|
972 addrlen = sizeof(addr_in);
|
jbe@208
|
973 if (getsockname(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@257
|
974 moonbr_io_prepare_errmsg();
|
jbe@107
|
975 luaL_error(L, "Could not determine local IP address/port: %s", errmsg);
|
jbe@107
|
976 }
|
jbe@107
|
977 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
978 luaL_error(L, "Could not determine local IP address/port: buffer size exceeded");
|
jbe@107
|
979 }
|
jbe@107
|
980 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
981 if (!addrstr) {
|
jbe@257
|
982 moonbr_io_prepare_errmsg();
|
jbe@107
|
983 luaL_error(L, "Could not format local IP address: %s", errmsg);
|
jbe@107
|
984 } else {
|
jbe@107
|
985 lua_pushstring(L, addrstr);
|
jbe@107
|
986 lua_setfield(L, -2, "local_ip4");
|
jbe@107
|
987 }
|
jbe@107
|
988 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
989 lua_setfield(L, -2, "local_tcpport");
|
jbe@208
|
990 if (getpeername(*fd, (struct sockaddr *)&addr_in, &addrlen)) {
|
jbe@257
|
991 moonbr_io_prepare_errmsg();
|
jbe@107
|
992 luaL_error(L, "Could not determine remote IP address/port: %s", errmsg);
|
jbe@107
|
993 }
|
jbe@107
|
994 if (addrlen > sizeof(addr_in)) {
|
jbe@107
|
995 luaL_error(L, "Could not determine remote IP address/port: buffer size exceeded");
|
jbe@107
|
996 }
|
jbe@107
|
997 addrstr = inet_ntop(AF_INET, &addr_in.sin_addr.s_addr, addrstrbuf, sizeof(addrstrbuf));
|
jbe@107
|
998 if (!addrstr) {
|
jbe@257
|
999 moonbr_io_prepare_errmsg();
|
jbe@107
|
1000 luaL_error(L, "Could not format remote IP address: %s", errmsg);
|
jbe@107
|
1001 } else {
|
jbe@107
|
1002 lua_pushstring(L, addrstr);
|
jbe@107
|
1003 lua_setfield(L, -2, "remote_ip4");
|
jbe@107
|
1004 }
|
jbe@107
|
1005 lua_pushinteger(L, ntohs(addr_in.sin_port));
|
jbe@107
|
1006 lua_setfield(L, -2, "remote_tcpport");
|
jbe@107
|
1007 }
|
jbe@238
|
1008 luaL_setmetatable(L, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
1009 lua_setfield(L, -2, "public");
|
jbe@79
|
1010 lua_setuservalue(L, -2);
|
jbe@208
|
1011 handle->fd = *fd;
|
jbe@208
|
1012 *fd = -1; /* closing is now handled by garbage collection */
|
jbe@208
|
1013 return 1;
|
jbe@208
|
1014 }
|
jbe@208
|
1015
|
jbe@208
|
1016 void moonbr_io_pushhandle(lua_State *L, int fd) {
|
jbe@208
|
1017 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1018 lua_pushlightuserdata(L, &fd);
|
jbe@208
|
1019 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@251
|
1020 if (fd != -1) close(fd); // TODO: correct to close file descriptor here?
|
jbe@208
|
1021 lua_error(L);
|
jbe@208
|
1022 }
|
jbe@79
|
1023 }
|
jbe@79
|
1024
|
jbe@79
|
1025 static int moonbr_io_handleindex(lua_State *L) {
|
jbe@80
|
1026 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1027 luaL_checkany(L, 2);
|
jbe@79
|
1028 lua_getuservalue(L, 1);
|
jbe@79
|
1029 lua_getfield(L, -1, "public");
|
jbe@79
|
1030 lua_pushvalue(L, 2);
|
jbe@79
|
1031 lua_gettable(L, -2);
|
jbe@79
|
1032 return 1;
|
jbe@79
|
1033 }
|
jbe@79
|
1034
|
jbe@79
|
1035 static int moonbr_io_handlenewindex(lua_State *L) {
|
jbe@80
|
1036 luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@205
|
1037 luaL_checkany(L, 2);
|
jbe@205
|
1038 luaL_checkany(L, 3);
|
jbe@79
|
1039 lua_getuservalue(L, 1);
|
jbe@79
|
1040 lua_getfield(L, -1, "public");
|
jbe@79
|
1041 lua_pushvalue(L, 2);
|
jbe@79
|
1042 lua_pushvalue(L, 3);
|
jbe@79
|
1043 lua_settable(L, -3);
|
jbe@79
|
1044 return 0;
|
jbe@79
|
1045 }
|
jbe@79
|
1046
|
jbe@111
|
1047 static int moonbr_io_localconnect_impl(lua_State *L, int nonblocking) {
|
jbe@111
|
1048 const char *path;
|
jbe@111
|
1049 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@111
|
1050 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@111
|
1051 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@111
|
1052 ) - 1; /* one byte for termination */
|
jbe@111
|
1053 int sock;
|
jbe@111
|
1054 path = luaL_checkstring(L, 1);
|
jbe@111
|
1055 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@111
|
1056 strcpy(sockaddr.sun_path, path);
|
jbe@111
|
1057 sock = socket(
|
jbe@111
|
1058 PF_LOCAL,
|
jbe@111
|
1059 SOCK_STREAM | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@111
|
1060 0
|
jbe@111
|
1061 );
|
jbe@257
|
1062 if (sock < 0) moonbr_io_return_errmsg();
|
jbe@111
|
1063 if (connect(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@111
|
1064 if (!nonblocking && errno == EINTR) {
|
jbe@257
|
1065 moonbr_io_prepare_errmsg();
|
jbe@111
|
1066 close(sock);
|
jbe@257
|
1067 moonbr_io_return_prepared_errmsg();
|
jbe@257
|
1068 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) moonbr_io_return_errmsg();
|
jbe@111
|
1069 }
|
jbe@111
|
1070 moonbr_io_pushhandle(L, sock);
|
jbe@111
|
1071 return 1;
|
jbe@111
|
1072 }
|
jbe@111
|
1073
|
jbe@111
|
1074 static int moonbr_io_localconnect(lua_State *L) {
|
jbe@111
|
1075 return moonbr_io_localconnect_impl(L, 0);
|
jbe@111
|
1076 }
|
jbe@111
|
1077
|
jbe@111
|
1078 static int moonbr_io_localconnect_nb(lua_State *L) {
|
jbe@111
|
1079 return moonbr_io_localconnect_impl(L, 1);
|
jbe@111
|
1080 }
|
jbe@111
|
1081
|
jbe@99
|
1082 static int moonbr_io_tcpconnect_impl(lua_State *L, int nonblocking) {
|
jbe@98
|
1083 const char *host, *port;
|
jbe@98
|
1084 struct addrinfo hints = { 0, };
|
jbe@98
|
1085 struct addrinfo *res, *addrinfo;
|
jbe@98
|
1086 int errcode;
|
jbe@98
|
1087 int sock;
|
jbe@98
|
1088 host = luaL_checkstring(L, 1);
|
jbe@98
|
1089 port = luaL_checkstring(L, 2);
|
jbe@98
|
1090 hints.ai_family = AF_UNSPEC;
|
jbe@98
|
1091 hints.ai_socktype = SOCK_STREAM;
|
jbe@98
|
1092 hints.ai_protocol = IPPROTO_TCP;
|
jbe@98
|
1093 hints.ai_flags = AI_ADDRCONFIG;
|
jbe@98
|
1094 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@98
|
1095 if (errcode) {
|
jbe@102
|
1096 freeaddrinfo(res);
|
jbe@98
|
1097 if (errcode == EAI_SYSTEM) {
|
jbe@257
|
1098 moonbr_io_prepare_errmsg();
|
jbe@98
|
1099 lua_pushnil(L);
|
jbe@98
|
1100 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@98
|
1101 } else {
|
jbe@98
|
1102 lua_pushnil(L);
|
jbe@98
|
1103 lua_pushstring(L, gai_strerror(errcode));
|
jbe@98
|
1104 }
|
jbe@98
|
1105 return 2;
|
jbe@98
|
1106 }
|
jbe@98
|
1107 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1108 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1109 }
|
jbe@98
|
1110 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1111 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@98
|
1112 }
|
jbe@98
|
1113 addrinfo = res;
|
jbe@98
|
1114 moonbr_io_tcpconnect_found:
|
jbe@99
|
1115 sock = socket(
|
jbe@134
|
1116 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@99
|
1117 addrinfo->ai_socktype | SOCK_CLOEXEC | (nonblocking ? SOCK_NONBLOCK : 0),
|
jbe@99
|
1118 addrinfo->ai_protocol
|
jbe@99
|
1119 );
|
jbe@98
|
1120 if (sock < 0) {
|
jbe@257
|
1121 moonbr_io_prepare_errmsg();
|
jbe@108
|
1122 freeaddrinfo(res);
|
jbe@257
|
1123 moonbr_io_return_prepared_errmsg();
|
jbe@98
|
1124 }
|
jbe@98
|
1125 if (connect(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@108
|
1126 freeaddrinfo(res);
|
jbe@99
|
1127 if (!nonblocking && errno == EINTR) {
|
jbe@257
|
1128 moonbr_io_prepare_errmsg();
|
jbe@99
|
1129 close(sock);
|
jbe@257
|
1130 moonbr_io_return_prepared_errmsg();
|
jbe@257
|
1131 } else if (!(nonblocking && (errno == EINPROGRESS || errno == EINTR))) moonbr_io_return_errmsg();
|
jbe@108
|
1132 } else {
|
jbe@108
|
1133 freeaddrinfo(res);
|
jbe@98
|
1134 }
|
jbe@107
|
1135 moonbr_io_pushhandle(L, sock);
|
jbe@98
|
1136 return 1;
|
jbe@98
|
1137 }
|
jbe@98
|
1138
|
jbe@99
|
1139 static int moonbr_io_tcpconnect(lua_State *L) {
|
jbe@99
|
1140 return moonbr_io_tcpconnect_impl(L, 0);
|
jbe@99
|
1141 }
|
jbe@99
|
1142
|
jbe@99
|
1143 static int moonbr_io_tcpconnect_nb(lua_State *L) {
|
jbe@99
|
1144 return moonbr_io_tcpconnect_impl(L, 1);
|
jbe@99
|
1145 }
|
jbe@99
|
1146
|
jbe@112
|
1147 static int moonbr_io_locallisten(lua_State *L) {
|
jbe@112
|
1148 moonbr_io_listener_t *listener;
|
jbe@112
|
1149 const char *path;
|
jbe@118
|
1150 struct stat sb;
|
jbe@112
|
1151 struct sockaddr_un sockaddr = { .sun_family = AF_LOCAL };
|
jbe@112
|
1152 const int path_maxlen = sizeof(struct sockaddr_un) - (
|
jbe@112
|
1153 (void *)sockaddr.sun_path - (void *)&sockaddr
|
jbe@112
|
1154 ) - 1; /* one byte for termination */
|
jbe@112
|
1155 int sock;
|
jbe@112
|
1156 path = luaL_checkstring(L, 1);
|
jbe@112
|
1157 if (strlen(path) > path_maxlen) luaL_error(L, "Path too long; only %i characters allowed", path_maxlen);
|
jbe@112
|
1158 strcpy(sockaddr.sun_path, path);
|
jbe@118
|
1159 if (stat(path, &sb) == 0) {
|
jbe@118
|
1160 if (S_ISSOCK(sb.st_mode)) unlink(path);
|
jbe@118
|
1161 }
|
jbe@112
|
1162 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1163 listener->fd = -1;
|
jbe@112
|
1164 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@112
|
1165 sock = socket(
|
jbe@112
|
1166 PF_LOCAL,
|
jbe@112
|
1167 SOCK_STREAM | SOCK_CLOEXEC,
|
jbe@112
|
1168 0
|
jbe@112
|
1169 );
|
jbe@257
|
1170 if (sock < 0) moonbr_io_return_errmsg();
|
jbe@112
|
1171 if (bind(sock, (struct sockaddr *)&sockaddr, sizeof(sockaddr))) {
|
jbe@257
|
1172 moonbr_io_prepare_errmsg();
|
jbe@112
|
1173 close(sock);
|
jbe@257
|
1174 moonbr_io_return_prepared_errmsg();
|
jbe@112
|
1175 }
|
jbe@112
|
1176 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@257
|
1177 moonbr_io_prepare_errmsg();
|
jbe@112
|
1178 close(sock);
|
jbe@257
|
1179 moonbr_io_return_prepared_errmsg();
|
jbe@112
|
1180 }
|
jbe@112
|
1181 listener->fd = sock;
|
jbe@118
|
1182 listener->addrfam = AF_LOCAL;
|
jbe@112
|
1183 listener->nonblocking = -1;
|
jbe@112
|
1184 return 1;
|
jbe@112
|
1185 }
|
jbe@112
|
1186
|
jbe@108
|
1187 static int moonbr_io_tcplisten(lua_State *L) {
|
jbe@108
|
1188 moonbr_io_listener_t *listener;
|
jbe@108
|
1189 const char *host, *port;
|
jbe@108
|
1190 struct addrinfo hints = { 0, };
|
jbe@108
|
1191 struct addrinfo *res, *addrinfo;
|
jbe@108
|
1192 int errcode;
|
jbe@108
|
1193 int sock;
|
jbe@108
|
1194 host = luaL_optstring(L, 1, NULL);
|
jbe@108
|
1195 port = luaL_checkstring(L, 2);
|
jbe@108
|
1196 listener = lua_newuserdata(L, sizeof(moonbr_io_listener_t));
|
jbe@117
|
1197 listener->fd = -1;
|
jbe@108
|
1198 luaL_setmetatable(L, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1199 hints.ai_family = AF_UNSPEC;
|
jbe@108
|
1200 hints.ai_socktype = SOCK_STREAM;
|
jbe@108
|
1201 hints.ai_protocol = IPPROTO_TCP;
|
jbe@108
|
1202 hints.ai_flags = AI_ADDRCONFIG | AI_PASSIVE;
|
jbe@108
|
1203 errcode = getaddrinfo(host, port, &hints, &res);
|
jbe@108
|
1204 if (errcode) {
|
jbe@108
|
1205 freeaddrinfo(res);
|
jbe@108
|
1206 if (errcode == EAI_SYSTEM) {
|
jbe@257
|
1207 moonbr_io_prepare_errmsg();
|
jbe@108
|
1208 lua_pushnil(L);
|
jbe@108
|
1209 lua_pushfstring(L, "%s: %s", gai_strerror(errcode), errmsg);
|
jbe@108
|
1210 } else {
|
jbe@108
|
1211 lua_pushnil(L);
|
jbe@108
|
1212 lua_pushstring(L, gai_strerror(errcode));
|
jbe@108
|
1213 }
|
jbe@108
|
1214 return 2;
|
jbe@108
|
1215 }
|
jbe@108
|
1216 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1217 if (addrinfo->ai_family == AF_INET6) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1218 }
|
jbe@108
|
1219 for (addrinfo=res; addrinfo; addrinfo=addrinfo->ai_next) {
|
jbe@134
|
1220 if (addrinfo->ai_family == AF_INET) goto moonbr_io_tcpconnect_found;
|
jbe@108
|
1221 }
|
jbe@108
|
1222 addrinfo = res;
|
jbe@108
|
1223 moonbr_io_tcpconnect_found:
|
jbe@118
|
1224 listener->addrfam = addrinfo->ai_family;
|
jbe@108
|
1225 sock = socket(
|
jbe@134
|
1226 addrinfo->ai_family, /* NOTE: not correctly using PF_* but AF_* constants here */
|
jbe@108
|
1227 addrinfo->ai_socktype | SOCK_CLOEXEC,
|
jbe@108
|
1228 addrinfo->ai_protocol
|
jbe@108
|
1229 );
|
jbe@108
|
1230 if (sock < 0) {
|
jbe@257
|
1231 moonbr_io_prepare_errmsg();
|
jbe@108
|
1232 freeaddrinfo(res);
|
jbe@257
|
1233 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1234 }
|
jbe@120
|
1235 {
|
jbe@120
|
1236 static const int reuseval = 1;
|
jbe@120
|
1237 if (setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, &reuseval, sizeof(reuseval))) {
|
jbe@257
|
1238 moonbr_io_prepare_errmsg();
|
jbe@120
|
1239 freeaddrinfo(res);
|
jbe@120
|
1240 close(sock);
|
jbe@120
|
1241 lua_pushnil(L);
|
jbe@120
|
1242 lua_pushfstring(L, "Error while setting SO_REUSEADDR with setsockopt: %s", errmsg);
|
jbe@120
|
1243 return 2;
|
jbe@120
|
1244 }
|
jbe@120
|
1245 }
|
jbe@108
|
1246 if (bind(sock, addrinfo->ai_addr, addrinfo->ai_addrlen)) {
|
jbe@257
|
1247 moonbr_io_prepare_errmsg();
|
jbe@108
|
1248 freeaddrinfo(res);
|
jbe@108
|
1249 close(sock);
|
jbe@257
|
1250 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1251 }
|
jbe@108
|
1252 freeaddrinfo(res);
|
jbe@108
|
1253 if (listen(sock, MOONBR_IO_LISTEN_BACKLOG)) {
|
jbe@257
|
1254 moonbr_io_prepare_errmsg();
|
jbe@108
|
1255 close(sock);
|
jbe@257
|
1256 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1257 }
|
jbe@108
|
1258 listener->fd = sock;
|
jbe@108
|
1259 listener->nonblocking = -1;
|
jbe@108
|
1260 return 1;
|
jbe@108
|
1261 }
|
jbe@108
|
1262
|
jbe@108
|
1263 static int moonbr_io_accept_impl(lua_State *L, int nonblocking) {
|
jbe@108
|
1264 moonbr_io_listener_t *listener;
|
jbe@108
|
1265 int fd;
|
jbe@108
|
1266 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1267 if (listener->fd < 0) luaL_error(L, "Attempt to use a closed listener");
|
jbe@108
|
1268 if (listener->nonblocking != nonblocking) {
|
jbe@108
|
1269 int flags;
|
jbe@108
|
1270 flags = fcntl(listener->fd, F_GETFL, 0);
|
jbe@108
|
1271 if (flags == -1) {
|
jbe@257
|
1272 moonbr_io_prepare_errmsg();
|
jbe@108
|
1273 close(listener->fd);
|
jbe@108
|
1274 listener->fd = -1;
|
jbe@108
|
1275 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1276 }
|
jbe@108
|
1277 if (nonblocking) flags |= O_NONBLOCK;
|
jbe@108
|
1278 else flags &= ~O_NONBLOCK;
|
jbe@108
|
1279 if (fcntl(listener->fd, F_SETFL, flags) == -1) {
|
jbe@257
|
1280 moonbr_io_prepare_errmsg();
|
jbe@108
|
1281 close(listener->fd);
|
jbe@108
|
1282 listener->fd = -1;
|
jbe@108
|
1283 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@108
|
1284 }
|
jbe@108
|
1285 listener->nonblocking = nonblocking;
|
jbe@108
|
1286 }
|
jbe@108
|
1287 while (1) {
|
jbe@214
|
1288 #if defined(__linux__) && !defined(_GNU_SOURCE)
|
jbe@215
|
1289 fd = accept(listener->fd, NULL, NULL);
|
jbe@214
|
1290 if (fd != -1) {
|
jbe@214
|
1291 if (fcntl(fd, F_SETFD, FD_CLOEXEC) == -1) {
|
jbe@257
|
1292 moonbr_io_prepare_errmsg();
|
jbe@214
|
1293 close(listener->fd);
|
jbe@214
|
1294 listener->fd = -1;
|
jbe@214
|
1295 close(fd);
|
jbe@214
|
1296 luaL_error(L, "Unexpected error in fcntl call: %s", errmsg);
|
jbe@214
|
1297 }
|
jbe@214
|
1298 }
|
jbe@214
|
1299 #else
|
jbe@108
|
1300 fd = accept4(listener->fd, NULL, NULL, SOCK_CLOEXEC);
|
jbe@214
|
1301 #endif
|
jbe@108
|
1302 if (fd < 0) {
|
jbe@108
|
1303 if (nonblocking && (errno == EAGAIN || errno == EWOULDBLOCK)) {
|
jbe@108
|
1304 lua_pushboolean(L, 0);
|
jbe@108
|
1305 lua_pushliteral(L, "No incoming connection pending");
|
jbe@108
|
1306 return 2;
|
jbe@257
|
1307 } else if (errno != EINTR) moonbr_io_return_errmsg();
|
jbe@108
|
1308 } else {
|
jbe@108
|
1309 moonbr_io_pushhandle(L, fd);
|
jbe@108
|
1310 return 1;
|
jbe@108
|
1311 }
|
jbe@108
|
1312 }
|
jbe@108
|
1313 }
|
jbe@108
|
1314
|
jbe@108
|
1315 static int moonbr_io_accept(lua_State *L) {
|
jbe@108
|
1316 return moonbr_io_accept_impl(L, 0);
|
jbe@108
|
1317 }
|
jbe@108
|
1318
|
jbe@108
|
1319 static int moonbr_io_accept_nb(lua_State *L) {
|
jbe@108
|
1320 return moonbr_io_accept_impl(L, 1);
|
jbe@108
|
1321 }
|
jbe@108
|
1322
|
jbe@108
|
1323 static int moonbr_io_unlisten(lua_State *L) {
|
jbe@108
|
1324 moonbr_io_listener_t *listener;
|
jbe@118
|
1325 struct sockaddr_un addr;
|
jbe@118
|
1326 socklen_t addrlen;
|
jbe@118
|
1327 struct stat sb;
|
jbe@108
|
1328 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1329 if (listener->fd < 0) luaL_error(L, "Attempt to close a closed listener");
|
jbe@118
|
1330 addrlen = sizeof(addr);
|
jbe@118
|
1331 if (getsockname(listener->fd, (struct sockaddr *)&addr, &addrlen)) addrlen = 0;
|
jbe@108
|
1332 if (close(listener->fd)) {
|
jbe@257
|
1333 moonbr_io_prepare_errmsg();
|
jbe@108
|
1334 listener->fd = -1;
|
jbe@118
|
1335 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1336 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1337 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1338 }
|
jbe@118
|
1339 }
|
jbe@257
|
1340 moonbr_io_return_prepared_errmsg();
|
jbe@108
|
1341 }
|
jbe@108
|
1342 listener->fd = -1;
|
jbe@118
|
1343 if (addrlen && addrlen <= sizeof(addr)) {
|
jbe@118
|
1344 if (stat(addr.sun_path, &sb) == 0) {
|
jbe@118
|
1345 if (S_ISSOCK(sb.st_mode)) unlink(addr.sun_path);
|
jbe@118
|
1346 }
|
jbe@118
|
1347 }
|
jbe@108
|
1348 lua_pushboolean(L, 1);
|
jbe@108
|
1349 return 1;
|
jbe@108
|
1350 }
|
jbe@108
|
1351
|
jbe@108
|
1352 static int moonbr_io_listenergc(lua_State *L) {
|
jbe@108
|
1353 moonbr_io_listener_t *listener;
|
jbe@108
|
1354 listener = luaL_checkudata(L, 1, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@117
|
1355 if (listener->fd >= 0) close(listener->fd);
|
jbe@108
|
1356 listener->fd = -1;
|
jbe@108
|
1357 return 0;
|
jbe@108
|
1358 }
|
jbe@108
|
1359
|
jbe@205
|
1360 static int moonbr_io_exec(lua_State *L) {
|
jbe@205
|
1361 char **argv;
|
jbe@205
|
1362 int i, argc;
|
jbe@205
|
1363 int sockin[2], sockout[2], sockerr[2];
|
jbe@205
|
1364 volatile int errorcond = 0;
|
jbe@213
|
1365 volatile char errmsgbuf[MOONBR_IO_MAXSTRERRORLEN] = MOONBR_IO_STRERROR_R_MSG;
|
jbe@205
|
1366 moonbr_io_child_t *child;
|
jbe@205
|
1367 argc = lua_gettop(L);
|
jbe@205
|
1368 argv = lua_newuserdata(L, (argc + 1) * sizeof(char *));
|
jbe@205
|
1369 for (i=0; i<argc; i++) argv[i] = (char *)luaL_checkstring(L, i+1);
|
jbe@205
|
1370 argv[argc] = NULL;
|
jbe@208
|
1371 child = lua_newuserdata(L, sizeof(moonbr_io_child_t));
|
jbe@208
|
1372 child->pid = 0;
|
jbe@208
|
1373 lua_newtable(L);
|
jbe@208
|
1374 lua_setuservalue(L, -2);
|
jbe@238
|
1375 luaL_setmetatable(L, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@206
|
1376 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockin)) {
|
jbe@257
|
1377 moonbr_io_prepare_errmsg();
|
jbe@205
|
1378 lua_pushnil(L);
|
jbe@205
|
1379 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1380 return 2;
|
jbe@205
|
1381 }
|
jbe@206
|
1382 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockout)) {
|
jbe@257
|
1383 moonbr_io_prepare_errmsg();
|
jbe@205
|
1384 close(sockin[0]);
|
jbe@205
|
1385 close(sockin[1]);
|
jbe@205
|
1386 lua_pushnil(L);
|
jbe@205
|
1387 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1388 return 2;
|
jbe@205
|
1389 }
|
jbe@206
|
1390 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, sockerr)) {
|
jbe@257
|
1391 moonbr_io_prepare_errmsg();
|
jbe@205
|
1392 close(sockin[0]);
|
jbe@205
|
1393 close(sockin[1]);
|
jbe@205
|
1394 close(sockout[0]);
|
jbe@205
|
1395 close(sockout[1]);
|
jbe@205
|
1396 lua_pushnil(L);
|
jbe@205
|
1397 lua_pushfstring(L, "Could not create socket pair: %s", errmsg);
|
jbe@205
|
1398 return 2;
|
jbe@205
|
1399 }
|
jbe@205
|
1400 child->pid = vfork();
|
jbe@205
|
1401 if (child->pid == -1) {
|
jbe@257
|
1402 moonbr_io_prepare_errmsg();
|
jbe@205
|
1403 close(sockin[0]);
|
jbe@205
|
1404 close(sockin[1]);
|
jbe@205
|
1405 close(sockout[0]);
|
jbe@205
|
1406 close(sockout[1]);
|
jbe@205
|
1407 close(sockerr[0]);
|
jbe@205
|
1408 close(sockerr[1]);
|
jbe@205
|
1409 lua_pushnil(L);
|
jbe@205
|
1410 lua_pushfstring(L, "Could not fork: %s", errmsg);
|
jbe@205
|
1411 return 2;
|
jbe@205
|
1412 }
|
jbe@205
|
1413 if (!child->pid) {
|
jbe@208
|
1414 if (dup2(sockin[1], 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1415 if (dup2(sockout[1], 1) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1416 if (dup2(sockerr[1], 2) == -1) goto moonbr_io_exec_error1;
|
jbe@232
|
1417 closefrom(3);
|
jbe@208
|
1418 if (fcntl(0, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1419 if (fcntl(1, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@208
|
1420 if (fcntl(2, F_SETFD, 0) == -1) goto moonbr_io_exec_error1;
|
jbe@205
|
1421 if (execvp(argv[0], argv)) {
|
jbe@205
|
1422 errorcond = 2;
|
jbe@205
|
1423 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@205
|
1424 _exit(0);
|
jbe@205
|
1425 }
|
jbe@208
|
1426 moonbr_io_exec_error1:
|
jbe@206
|
1427 errorcond = 1;
|
jbe@206
|
1428 strerror_r(errno, (char *)errmsgbuf, MOONBR_IO_MAXSTRERRORLEN);
|
jbe@206
|
1429 _exit(0);
|
jbe@205
|
1430 }
|
jbe@205
|
1431 close(sockin[1]);
|
jbe@205
|
1432 close(sockout[1]);
|
jbe@205
|
1433 close(sockerr[1]);
|
jbe@205
|
1434 if (errorcond) {
|
jbe@205
|
1435 int status;
|
jbe@205
|
1436 close(sockin[0]);
|
jbe@205
|
1437 close(sockout[0]);
|
jbe@205
|
1438 close(sockerr[0]);
|
jbe@205
|
1439 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@205
|
1440 if (errno != EINTR) {
|
jbe@257
|
1441 moonbr_io_prepare_errmsg();
|
jbe@205
|
1442 luaL_error(L, "Error in waitpid call after unsuccessful exec: %s", errmsg);
|
jbe@205
|
1443 }
|
jbe@205
|
1444 }
|
jbe@208
|
1445 child->pid = 0;
|
jbe@205
|
1446 lua_pushnil(L);
|
jbe@205
|
1447 if (errorcond == 2) lua_pushfstring(L, "Could not execute: %s", errmsgbuf);
|
jbe@205
|
1448 else lua_pushfstring(L, "Error in fork: %s", errmsgbuf);
|
jbe@205
|
1449 return 2;
|
jbe@205
|
1450 }
|
jbe@208
|
1451 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1452 lua_pushlightuserdata(L, &sockin[0]);
|
jbe@208
|
1453 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1454 if (sockin[0] != -1) close(sockin[0]);
|
jbe@208
|
1455 close(sockout[0]);
|
jbe@208
|
1456 close(sockerr[0]);
|
jbe@208
|
1457 goto moonbr_io_exec_error2;
|
jbe@208
|
1458 }
|
jbe@205
|
1459 lua_setfield(L, -2, "stdin");
|
jbe@208
|
1460 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1461 lua_pushlightuserdata(L, &sockout[0]);
|
jbe@208
|
1462 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1463 if (sockout[0] != -1) close(sockout[0]);
|
jbe@208
|
1464 close(sockerr[0]);
|
jbe@208
|
1465 goto moonbr_io_exec_error2;
|
jbe@208
|
1466 }
|
jbe@205
|
1467 lua_setfield(L, -2, "stdout");
|
jbe@208
|
1468 lua_pushcfunction(L, moonbr_io_pushhandle_impl);
|
jbe@208
|
1469 lua_pushlightuserdata(L, &sockerr[0]);
|
jbe@208
|
1470 if (lua_pcall(L, 1, 1, 0)) {
|
jbe@208
|
1471 if (sockerr[0] != -1) close(sockerr[0]);
|
jbe@208
|
1472 goto moonbr_io_exec_error2;
|
jbe@208
|
1473 }
|
jbe@205
|
1474 lua_setfield(L, -2, "stderr");
|
jbe@205
|
1475 return 1;
|
jbe@208
|
1476 moonbr_io_exec_error2:
|
jbe@208
|
1477 {
|
jbe@208
|
1478 int status;
|
jbe@208
|
1479 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@208
|
1480 if (errno != EINTR) {
|
jbe@257
|
1481 moonbr_io_prepare_errmsg();
|
jbe@208
|
1482 luaL_error(L, "Error in waitpid call after error creating socket handles: %s", errmsg);
|
jbe@208
|
1483 }
|
jbe@208
|
1484 }
|
jbe@208
|
1485 }
|
jbe@208
|
1486 child->pid = 0;
|
jbe@208
|
1487 return lua_error(L);
|
jbe@205
|
1488 }
|
jbe@205
|
1489
|
jbe@205
|
1490 static int moonbr_io_childindex(lua_State *L) {
|
jbe@205
|
1491 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1492 luaL_checkany(L, 2);
|
jbe@205
|
1493 lua_getuservalue(L, 1);
|
jbe@205
|
1494 lua_pushvalue(L, 2);
|
jbe@205
|
1495 lua_gettable(L, -2);
|
jbe@205
|
1496 if (lua_isnil(L, -1)) {
|
jbe@205
|
1497 luaL_getmetatable(L, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
1498 lua_pushvalue(L, 2);
|
jbe@205
|
1499 lua_gettable(L, -2);
|
jbe@205
|
1500 }
|
jbe@205
|
1501 return 1;
|
jbe@205
|
1502 }
|
jbe@205
|
1503
|
jbe@205
|
1504 static int moonbr_io_childnewindex(lua_State *L) {
|
jbe@205
|
1505 luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1506 luaL_checkany(L, 2);
|
jbe@205
|
1507 luaL_checkany(L, 3);
|
jbe@205
|
1508 lua_getuservalue(L, 1);
|
jbe@205
|
1509 lua_pushvalue(L, 2);
|
jbe@205
|
1510 lua_pushvalue(L, 3);
|
jbe@205
|
1511 lua_settable(L, -3);
|
jbe@205
|
1512 return 0;
|
jbe@205
|
1513 }
|
jbe@205
|
1514
|
jbe@205
|
1515 static int moonbr_io_childgc(lua_State *L) {
|
jbe@205
|
1516 moonbr_io_child_t *child;
|
jbe@205
|
1517 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1518 if (child->pid) {
|
jbe@205
|
1519 int status;
|
jbe@205
|
1520 if (kill(child->pid, SIGKILL)) {
|
jbe@257
|
1521 moonbr_io_prepare_errmsg();
|
jbe@205
|
1522 luaL_error(L, "Error in kill call during garbage collection: %s", errmsg);
|
jbe@205
|
1523 }
|
jbe@205
|
1524 while (waitpid(child->pid, &status, 0) == -1) {
|
jbe@205
|
1525 if (errno != EINTR) {
|
jbe@257
|
1526 moonbr_io_prepare_errmsg();
|
jbe@205
|
1527 luaL_error(L, "Error in waitpid call during garbage collection: %s", errmsg);
|
jbe@205
|
1528 }
|
jbe@205
|
1529 }
|
jbe@205
|
1530 }
|
jbe@205
|
1531 return 0;
|
jbe@205
|
1532 }
|
jbe@205
|
1533
|
jbe@205
|
1534 static int moonbr_io_kill(lua_State *L) {
|
jbe@205
|
1535 moonbr_io_child_t *child;
|
jbe@205
|
1536 int sig;
|
jbe@205
|
1537 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1538 sig = luaL_optinteger(L, 2, SIGTERM);
|
jbe@205
|
1539 if (!child->pid) luaL_error(L, "Attempt to kill an already collected child process");
|
jbe@205
|
1540 if (kill(child->pid, sig)) {
|
jbe@257
|
1541 moonbr_io_prepare_errmsg();
|
jbe@205
|
1542 luaL_error(L, "Error in kill call: %s", errmsg);
|
jbe@205
|
1543 }
|
jbe@205
|
1544 lua_settop(L, 1);
|
jbe@205
|
1545 return 1;
|
jbe@205
|
1546 }
|
jbe@205
|
1547
|
jbe@205
|
1548 static int moonbr_io_wait_impl(lua_State *L, int nonblocking) {
|
jbe@205
|
1549 moonbr_io_child_t *child;
|
jbe@205
|
1550 pid_t waitedpid;
|
jbe@205
|
1551 int status;
|
jbe@205
|
1552 child = luaL_checkudata(L, 1, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
1553 if (!child->pid) luaL_error(L, "Attempt to wait for an already collected child process");
|
jbe@205
|
1554 while ((waitedpid = waitpid(child->pid, &status, nonblocking ? WNOHANG : 0)) == -1) {
|
jbe@205
|
1555 if (errno != EINTR) {
|
jbe@257
|
1556 moonbr_io_prepare_errmsg();
|
jbe@205
|
1557 luaL_error(L, "Error in waitpid call: %s", errmsg);
|
jbe@205
|
1558 }
|
jbe@205
|
1559 }
|
jbe@205
|
1560 if (!waitedpid) {
|
jbe@219
|
1561 lua_pushboolean(L, 0);
|
jbe@219
|
1562 lua_pushliteral(L, "Process is still running");
|
jbe@219
|
1563 return 2;
|
jbe@205
|
1564 } else {
|
jbe@205
|
1565 child->pid = 0;
|
jbe@205
|
1566 if (WIFEXITED(status)) {
|
jbe@205
|
1567 lua_pushinteger(L, WEXITSTATUS(status));
|
jbe@205
|
1568 } else if (WIFSIGNALED(status)) {
|
jbe@205
|
1569 lua_pushinteger(L, -WTERMSIG(status));
|
jbe@205
|
1570 } else {
|
jbe@205
|
1571 luaL_error(L, "Unexpected status value returned by waitpid call");
|
jbe@205
|
1572 }
|
jbe@219
|
1573 return 1;
|
jbe@205
|
1574 }
|
jbe@205
|
1575 }
|
jbe@205
|
1576
|
jbe@205
|
1577 static int moonbr_io_wait(lua_State *L) {
|
jbe@205
|
1578 return moonbr_io_wait_impl(L, 0);
|
jbe@205
|
1579 }
|
jbe@205
|
1580
|
jbe@205
|
1581 static int moonbr_io_wait_nb(lua_State *L) {
|
jbe@205
|
1582 return moonbr_io_wait_impl(L, 1);
|
jbe@205
|
1583 }
|
jbe@205
|
1584
|
jbe@205
|
1585 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1586 static int moonbr_io_wait_cont(lua_State *L, int status, lua_KContext ctx) {
|
jbe@205
|
1587 #else
|
jbe@205
|
1588 static int moonbr_io_wait_cont(lua_State *L) {
|
jbe@205
|
1589 #endif
|
jbe@205
|
1590 #if !(LUA_VERSION_NUM >= 503)
|
jbe@205
|
1591 int ctx = 0;
|
jbe@205
|
1592 lua_getctx(L, &ctx);
|
jbe@205
|
1593 #endif
|
jbe@205
|
1594 while (1) {
|
jbe@205
|
1595 lua_pushcfunction(L, moonbr_io_wait_nb);
|
jbe@205
|
1596 lua_pushvalue(L, 1);
|
jbe@205
|
1597 lua_call(L, 1, 1);
|
jbe@205
|
1598 if (!lua_isnil(L, -1)) break;
|
jbe@205
|
1599 lua_pushvalue(L, 2);
|
jbe@205
|
1600 lua_callk(L, 0, 0, ctx, moonbr_io_wait_cont);
|
jbe@205
|
1601 }
|
jbe@205
|
1602 return 1;
|
jbe@205
|
1603 }
|
jbe@205
|
1604
|
jbe@205
|
1605 static int moonbr_io_wait_call(lua_State *L) {
|
jbe@205
|
1606 lua_settop(L, 2);
|
jbe@205
|
1607 #if LUA_VERSION_NUM >= 503
|
jbe@205
|
1608 return moonbr_io_wait_cont(L, 0, 0);
|
jbe@205
|
1609 #else
|
jbe@205
|
1610 return moonbr_io_wait_cont(L);
|
jbe@205
|
1611 #endif
|
jbe@205
|
1612 }
|
jbe@205
|
1613
|
jbe@205
|
1614 moonbr_io_yield_wrapper(moonbr_io_wait_yield, moonbr_io_wait_call);
|
jbe@205
|
1615
|
jbe@266
|
1616 static void moonbr_io_signalhandler(int sig) {
|
jbe@266
|
1617 int errno2 = errno;
|
jbe@266
|
1618 char buf[1] = {sig};
|
jbe@266
|
1619 write(moonbr_io_signalfd_write, buf, 1);
|
jbe@266
|
1620 errno = errno2;
|
jbe@266
|
1621 }
|
jbe@266
|
1622
|
jbe@266
|
1623 static int moonbr_io_signalsocket(lua_State *L) {
|
jbe@266
|
1624 int i, argc, sig;
|
jbe@266
|
1625 if (moonbr_io_signalfd_read < 0) {
|
jbe@266
|
1626 if (socketpair(PF_LOCAL, SOCK_STREAM | SOCK_CLOEXEC, 0, moonbr_io_signalfds)) {
|
jbe@266
|
1627 luaL_error(L, "Could not create socket pair for signal queueing");
|
jbe@266
|
1628 }
|
jbe@266
|
1629 }
|
jbe@271
|
1630 lua_getfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALS_REGKEY);
|
jbe@271
|
1631 lua_insert(L, 1);
|
jbe@266
|
1632 argc = lua_gettop(L);
|
jbe@271
|
1633 for (i=2; i<=argc; i++) {
|
jbe@271
|
1634 if (lua_type(L, i) == LUA_TSTRING) {
|
jbe@271
|
1635 lua_pushvalue(L, i);
|
jbe@271
|
1636 lua_gettable(L, 1);
|
jbe@271
|
1637 sig = lua_tointeger(L, -1);
|
jbe@271
|
1638 lua_pop(L, 1);
|
jbe@271
|
1639 if (!sig) {
|
jbe@271
|
1640 lua_pushvalue(L, i);
|
jbe@271
|
1641 luaL_error(L, "Unknown signal \"%s\"", lua_tostring(L, i));
|
jbe@271
|
1642 }
|
jbe@271
|
1643 } else {
|
jbe@271
|
1644 sig = luaL_checkinteger(L, i);
|
jbe@271
|
1645 }
|
jbe@266
|
1646 errno = 0;
|
jbe@266
|
1647 signal(sig, moonbr_io_signalhandler);
|
jbe@266
|
1648 if (errno) luaL_error(L, "Could not install signal handler (invalid signal number?)");
|
jbe@266
|
1649 }
|
jbe@266
|
1650 lua_settop(L, 0);
|
jbe@266
|
1651 lua_getfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALSOCKET_REGKEY);
|
jbe@266
|
1652 if (lua_isnil(L, -1)) {
|
jbe@266
|
1653 int fd = dup(moonbr_io_signalfd_read); /* TODO: determine how mooonbr_io_pushhandle acts in case of error */
|
jbe@266
|
1654 if (fd < 0) luaL_error(L, "Error in dup() system call");
|
jbe@266
|
1655 moonbr_io_pushhandle(L, fd);
|
jbe@266
|
1656 lua_pushvalue(L, -1);
|
jbe@266
|
1657 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALSOCKET_REGKEY);
|
jbe@266
|
1658 }
|
jbe@266
|
1659 return 1;
|
jbe@266
|
1660 }
|
jbe@266
|
1661
|
jbe@266
|
1662 static int moonbr_io_getpid(lua_State *L) {
|
jbe@266
|
1663 lua_pushinteger(L, getpid());
|
jbe@266
|
1664 return 1;
|
jbe@266
|
1665 }
|
jbe@266
|
1666
|
jbe@250
|
1667 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
1668
|
jbe@250
|
1669 #define moonbr_io_poll_tls() \
|
jbe@250
|
1670 if (!handle->tlshandshake) { \
|
jbe@250
|
1671 lua_pushboolean(L, 1); \
|
jbe@250
|
1672 return 1; \
|
jbe@250
|
1673 } \
|
jbe@250
|
1674 if (handle->tlshandshake == TLS_WANT_POLLIN) { \
|
jbe@250
|
1675 if (fd < 0) { \
|
jbe@250
|
1676 lua_pushboolean(L, 1); \
|
jbe@250
|
1677 return 1; \
|
jbe@250
|
1678 } \
|
jbe@250
|
1679 FD_SET(fd, &readfds); \
|
jbe@250
|
1680 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1681 continue; \
|
jbe@250
|
1682 } \
|
jbe@250
|
1683 if (handle->tlshandshake == TLS_WANT_POLLOUT) { \
|
jbe@250
|
1684 if (fd < 0) { \
|
jbe@250
|
1685 lua_pushboolean(L, 1); \
|
jbe@250
|
1686 return 1; \
|
jbe@250
|
1687 } \
|
jbe@250
|
1688 FD_SET(fd, &writefds); \
|
jbe@250
|
1689 if (fd+1 > nfds) nfds = fd+1; \
|
jbe@250
|
1690 continue; \
|
jbe@250
|
1691 } \
|
jbe@250
|
1692 while (0)
|
jbe@258
|
1693
|
jbe@258
|
1694 #endif /* MOONBR_IO_USE_TLS */
|
jbe@250
|
1695
|
jbe@106
|
1696 static int moonbr_io_poll(lua_State *L) {
|
jbe@106
|
1697 moonbr_io_handle_t *handle;
|
jbe@108
|
1698 moonbr_io_listener_t *listener;
|
jbe@106
|
1699 int fd, isnum;
|
jbe@106
|
1700 int nfds = 0;
|
jbe@106
|
1701 fd_set readfds, writefds, exceptfds;
|
jbe@106
|
1702 struct timeval timeout = {0, };
|
jbe@106
|
1703 int status;
|
jbe@106
|
1704 FD_ZERO(&readfds);
|
jbe@106
|
1705 FD_ZERO(&writefds);
|
jbe@106
|
1706 FD_ZERO(&exceptfds);
|
jbe@106
|
1707 if (!lua_isnoneornil(L, 1)) {
|
jbe@106
|
1708 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@106
|
1709 for (lua_pushnil(L); lua_next(L, 1); lua_pop(L, 1)) {
|
jbe@106
|
1710 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1711 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1712 if (handle) {
|
jbe@109
|
1713 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@106
|
1714 fd = handle->fd;
|
jbe@247
|
1715 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1716 moonbr_io_poll_tls();
|
jbe@247
|
1717 #endif
|
jbe@122
|
1718 if (
|
jbe@122
|
1719 fd < 0 || /* fake EOF to simulate shutdown if fd < 0 */
|
jbe@122
|
1720 handle->readbufin != handle->readbufout /* data pending in buffer */
|
jbe@122
|
1721 ) {
|
jbe@109
|
1722 lua_pushboolean(L, 1);
|
jbe@109
|
1723 return 1;
|
jbe@109
|
1724 }
|
jbe@106
|
1725 } else {
|
jbe@108
|
1726 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
1727 if (listener) {
|
jbe@108
|
1728 fd = listener->fd;
|
jbe@108
|
1729 if (fd < 0) luaL_error(L, "Attempt to poll a closed listener");
|
jbe@108
|
1730 } else {
|
jbe@108
|
1731 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@108
|
1732 if (!isnum) luaL_error(L, "Expected integer (file descriptor), I/O handle, or listener in table key");
|
jbe@108
|
1733 }
|
jbe@106
|
1734 }
|
jbe@138
|
1735 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1736 FD_SET(fd, &readfds);
|
jbe@106
|
1737 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1738 }
|
jbe@106
|
1739 }
|
jbe@106
|
1740 }
|
jbe@106
|
1741 if (!lua_isnoneornil(L, 2)) {
|
jbe@106
|
1742 luaL_checktype(L, 2, LUA_TTABLE);
|
jbe@106
|
1743 for (lua_pushnil(L); lua_next(L, 2); lua_pop(L, 1)) {
|
jbe@106
|
1744 if (lua_toboolean(L, -1)) {
|
jbe@106
|
1745 handle = luaL_testudata(L, -2, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@106
|
1746 if (handle) {
|
jbe@109
|
1747 if (handle->closed) luaL_error(L, "Attempt to poll a closed connection");
|
jbe@109
|
1748 if (handle->finished) luaL_error(L, "Attempt to write-poll a finished connection");
|
jbe@106
|
1749 fd = handle->fd;
|
jbe@247
|
1750 #if MOONBR_IO_USE_TLS
|
jbe@250
|
1751 moonbr_io_poll_tls();
|
jbe@247
|
1752 #endif
|
jbe@106
|
1753 } else {
|
jbe@108
|
1754 listener = luaL_testudata(L, -2, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@109
|
1755 if (listener) luaL_error(L, "Attempt to write-poll a listener");
|
jbe@109
|
1756 fd = lua_tointegerx(L, -2, &isnum);
|
jbe@109
|
1757 if (!isnum) luaL_error(L, "Expected integer (file descriptor) or I/O handle in table key");
|
jbe@106
|
1758 }
|
jbe@138
|
1759 if (fd < 0 || fd >= FD_SETSIZE) luaL_error(L, "File descriptor out of valid range");
|
jbe@106
|
1760 FD_SET(fd, &writefds);
|
jbe@106
|
1761 if (fd+1 > nfds) nfds = fd+1;
|
jbe@106
|
1762 }
|
jbe@106
|
1763 }
|
jbe@106
|
1764 }
|
jbe@106
|
1765 if (!lua_isnoneornil(L, 3)) {
|
jbe@106
|
1766 lua_Number n;
|
jbe@106
|
1767 n = lua_tonumberx(L, 3, &isnum);
|
jbe@146
|
1768 if (isnum && n<0) {
|
jbe@146
|
1769 lua_pushboolean(L, 0);
|
jbe@146
|
1770 lua_pushliteral(L, "Negative timeout");
|
jbe@146
|
1771 return 2;
|
jbe@146
|
1772 } else if (isnum && n>=0 && n<100000000) {
|
jbe@106
|
1773 timeout.tv_sec = n;
|
jbe@106
|
1774 timeout.tv_usec = 1e6 * (n - timeout.tv_sec);
|
jbe@106
|
1775 } else {
|
jbe@106
|
1776 luaL_argcheck(L, 0, 3, "not a valid timeout");
|
jbe@106
|
1777 }
|
jbe@106
|
1778 status = select(nfds, &readfds, &writefds, &exceptfds, &timeout);
|
jbe@106
|
1779 } else {
|
jbe@106
|
1780 status = select(nfds, &readfds, &writefds, &exceptfds, NULL);
|
jbe@106
|
1781 }
|
jbe@106
|
1782 if (status == -1) {
|
jbe@106
|
1783 if (errno == EINTR) {
|
jbe@266
|
1784 lua_pushboolean(L, 1);
|
jbe@266
|
1785 return 1;
|
jbe@106
|
1786 } else {
|
jbe@257
|
1787 moonbr_io_prepare_errmsg();
|
jbe@106
|
1788 return luaL_error(L, "Unexpected error during \"select\" system call: %s", errmsg);
|
jbe@106
|
1789 }
|
jbe@106
|
1790 } else if (status == 0) {
|
jbe@106
|
1791 lua_pushboolean(L, 0);
|
jbe@106
|
1792 lua_pushliteral(L, "Timeout while polling file descriptors");
|
jbe@106
|
1793 return 2;
|
jbe@106
|
1794 } else {
|
jbe@106
|
1795 lua_pushboolean(L, 1);
|
jbe@106
|
1796 return 1;
|
jbe@106
|
1797 }
|
jbe@106
|
1798 }
|
jbe@106
|
1799
|
jbe@115
|
1800 static int moonbr_io_timeref(lua_State *L) {
|
jbe@115
|
1801 lua_Number sub;
|
jbe@115
|
1802 struct timespec tp;
|
jbe@115
|
1803 sub = luaL_optnumber(L, 1, 0);
|
jbe@115
|
1804 if (clock_gettime(CLOCK_MONOTONIC, &tp)) {
|
jbe@115
|
1805 return luaL_error(L, "Could not access CLOCK_MONOTONIC");
|
jbe@115
|
1806 }
|
jbe@115
|
1807 lua_pushnumber(L, tp.tv_sec + tp.tv_nsec / 1.0e9 - sub);
|
jbe@115
|
1808 return 1;
|
jbe@115
|
1809 }
|
jbe@115
|
1810
|
jbe@243
|
1811 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
1812
|
jbe@243
|
1813 #define moonbr_io_tlsconf_string(name, field, func) \
|
jbe@243
|
1814 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1815 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1816 valuetype = lua_type(L, -1); \
|
jbe@243
|
1817 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1818 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1819 value = lua_tostring(L, -1); \
|
jbe@252
|
1820 if (func(tlsconf->config, value)) { \
|
jbe@243
|
1821 lua_pushnil(L); \
|
jbe@243
|
1822 lua_pushfstring(L, "Could not set " name " \"%s\"", value); \
|
jbe@243
|
1823 return 2; \
|
jbe@243
|
1824 } \
|
jbe@243
|
1825 } \
|
jbe@243
|
1826 lua_pop(L, 1);
|
jbe@243
|
1827
|
jbe@243
|
1828 #define moonbr_io_tlsconf_binary(name, field, func) \
|
jbe@243
|
1829 /* NOTE: use valuetype = lua_getfield(...) for LUA_VERSION_NUM >= 503 */ \
|
jbe@243
|
1830 lua_getfield(L, 1, (field)); \
|
jbe@243
|
1831 valuetype = lua_type(L, -1); \
|
jbe@243
|
1832 if (valuetype != LUA_TNIL) { \
|
jbe@243
|
1833 luaL_argcheck(L, valuetype == LUA_TSTRING, 1, "field \"" field "\" is not a string"); \
|
jbe@243
|
1834 value = lua_tolstring(L, -1, &valuelen); \
|
jbe@252
|
1835 if (func(tlsconf->config, (void *)value, valuelen)) { \
|
jbe@243
|
1836 lua_pushnil(L); \
|
jbe@243
|
1837 lua_pushliteral(L, "Could not set " name); \
|
jbe@243
|
1838 return 2; \
|
jbe@243
|
1839 } \
|
jbe@243
|
1840 } \
|
jbe@243
|
1841 lua_pop(L, 1);
|
jbe@243
|
1842
|
jbe@243
|
1843 static int moonbr_io_tlsconf(lua_State *L) {
|
jbe@252
|
1844 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1845 int valuetype;
|
jbe@243
|
1846 const char *value;
|
jbe@243
|
1847 size_t valuelen;
|
jbe@243
|
1848 luaL_checktype(L, 1, LUA_TTABLE);
|
jbe@252
|
1849 tlsconf = lua_newuserdata(L, sizeof(moonbr_io_tlsconf_t));
|
jbe@252
|
1850 tlsconf->config = tls_config_new();
|
jbe@252
|
1851 if (!tlsconf->config) {
|
jbe@243
|
1852 return luaL_error(L, "Could not allocate memory for TLS configuration");
|
jbe@243
|
1853 }
|
jbe@243
|
1854 luaL_setmetatable(L, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@245
|
1855 lua_getfield(L, 1, "mode");
|
jbe@252
|
1856 value = lua_tostring(L, -1);
|
jbe@252
|
1857 if (value && !strcmp(value, "server")) tlsconf->server = 1;
|
jbe@252
|
1858 else if (value && !strcmp(value, "client")) tlsconf->server = 0;
|
jbe@252
|
1859 else luaL_argcheck(L, 0, 1, "field \"mode\" must be set to \"server\" or \"client\"");
|
jbe@245
|
1860 lua_pop(L, 1);
|
jbe@243
|
1861 moonbr_io_tlsconf_string("CA file", "ca_file", tls_config_set_ca_file);
|
jbe@243
|
1862 moonbr_io_tlsconf_string("CA path", "ca_path", tls_config_set_ca_path);
|
jbe@243
|
1863 moonbr_io_tlsconf_binary("CA", "ca_mem", tls_config_set_ca_mem);
|
jbe@243
|
1864 moonbr_io_tlsconf_string("certificate file", "cert_file", tls_config_set_cert_file);
|
jbe@243
|
1865 moonbr_io_tlsconf_binary("certificate", "cert_mem", tls_config_set_cert_mem);
|
jbe@243
|
1866 moonbr_io_tlsconf_string("key file", "key_file", tls_config_set_key_file);
|
jbe@243
|
1867 moonbr_io_tlsconf_binary("key", "key_mem", tls_config_set_key_mem);
|
jbe@245
|
1868 #if LUA_VERSION_NUM >= 503
|
jbe@245
|
1869 valuetype = lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1870 #else
|
jbe@244
|
1871 lua_getfield(L, 1, "verify_client");
|
jbe@245
|
1872 #endif
|
jbe@244
|
1873 if (lua_toboolean(L, -1)) {
|
jbe@252
|
1874 value = lua_tostring(L, -1);
|
jbe@252
|
1875 if (value && !strcmp(value, "required")) {
|
jbe@252
|
1876 tls_config_verify_client(tlsconf->config);
|
jbe@252
|
1877 } else if (value && !strcmp(value, "optional")) {
|
jbe@252
|
1878 tls_config_verify_client_optional(tlsconf->config);
|
jbe@244
|
1879 } else {
|
jbe@244
|
1880 luaL_argcheck(L, 0, 1, "field \"verify_client\" must be set to \"required\", \"optional\", or be false or nil");
|
jbe@244
|
1881 }
|
jbe@244
|
1882 }
|
jbe@244
|
1883 lua_pop(L, 1);
|
jbe@254
|
1884 // TODO: configurable legacy support
|
jbe@254
|
1885 // tls_config_set_protocols(tlsconf->config, TLS_PROTOCOLS_ALL);
|
jbe@254
|
1886 // tls_config_set_ciphers(tlsconf->config, "legacy");
|
jbe@243
|
1887 return 1;
|
jbe@243
|
1888 }
|
jbe@243
|
1889
|
jbe@252
|
1890 static int moonbr_io_tlsconfgc(lua_State *L) {
|
jbe@252
|
1891 moonbr_io_tlsconf_t *tlsconf;
|
jbe@243
|
1892 tlsconf = luaL_checkudata(L, 1, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@252
|
1893 if (tlsconf->config) tls_config_free(tlsconf->config);
|
jbe@252
|
1894 tlsconf->config = NULL;
|
jbe@243
|
1895 return 0;
|
jbe@243
|
1896 }
|
jbe@243
|
1897
|
jbe@246
|
1898 static int moonbr_io_starttls(lua_State *L) {
|
jbe@246
|
1899 moonbr_io_handle_t *handle;
|
jbe@252
|
1900 moonbr_io_tlsconf_t *tlsconf;
|
jbe@246
|
1901 const char *servername;
|
jbe@246
|
1902 struct tls *tls, *tls2;
|
jbe@246
|
1903 handle = luaL_checkudata(L, 1, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@246
|
1904 if (lua_type(L, 2) == LUA_TTABLE) {
|
jbe@246
|
1905 lua_pushcfunction(L, moonbr_io_tlsconf);
|
jbe@246
|
1906 lua_pushvalue(L, 2);
|
jbe@246
|
1907 lua_call(L, 1, 2);
|
jbe@246
|
1908 if (lua_isnil(L, -2)) return 2;
|
jbe@246
|
1909 lua_pop(L, 1);
|
jbe@246
|
1910 lua_replace(L, 2);
|
jbe@246
|
1911 }
|
jbe@246
|
1912 tlsconf = luaL_checkudata(L, 2, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@246
|
1913 if (handle->closed) return luaL_error(L, "Attempt to start TLS on a closed I/O handle");
|
jbe@246
|
1914 if (handle->finished) return luaL_error(L, "Attempt to start TLS on a finished I/O handle");
|
jbe@247
|
1915 if (handle->tls) return luaL_error(L, "Attempt to start TLS twice");
|
jbe@246
|
1916 if (handle->readbufin || handle->writebufin) {
|
jbe@246
|
1917 return luaL_error(L, "Attempt to start TLS on an I/O handle with non-empty buffers");
|
jbe@246
|
1918 }
|
jbe@252
|
1919 if (tlsconf->server) tls = tls_server();
|
jbe@252
|
1920 else {
|
jbe@246
|
1921 servername = luaL_checkstring(L, 3);
|
jbe@246
|
1922 tls = tls_client();
|
jbe@246
|
1923 }
|
jbe@246
|
1924 if (!tls) {
|
jbe@246
|
1925 return luaL_error(L, "Could not allocate memory for TLS context");
|
jbe@246
|
1926 }
|
jbe@252
|
1927 if (tls_configure(tls, tlsconf->config)) goto moonbr_io_starttls_error;
|
jbe@252
|
1928 if (tlsconf->server) {
|
jbe@246
|
1929 if (tls_accept_socket(tls, &tls2, handle->fd)) goto moonbr_io_starttls_error;
|
jbe@246
|
1930 handle->servertls = tls;
|
jbe@246
|
1931 handle->tls = tls2;
|
jbe@246
|
1932 } else {
|
jbe@246
|
1933 if (tls_connect_socket(tls, handle->fd, servername)) goto moonbr_io_starttls_error;
|
jbe@246
|
1934 handle->tls = tls;
|
jbe@246
|
1935 }
|
jbe@246
|
1936 lua_settop(L, 1);
|
jbe@246
|
1937 return 1;
|
jbe@246
|
1938 moonbr_io_starttls_error:
|
jbe@246
|
1939 lua_pushnil(L);
|
jbe@246
|
1940 lua_pushstring(L, tls_error(tls));
|
jbe@246
|
1941 tls_free(tls);
|
jbe@246
|
1942 return 2;
|
jbe@246
|
1943 }
|
jbe@246
|
1944
|
jbe@258
|
1945 #endif /* MOONBR_IO_USE_TLS */
|
jbe@243
|
1946
|
jbe@79
|
1947 static const struct luaL_Reg moonbr_io_handle_methods[] = {
|
jbe@85
|
1948 {"read", moonbr_io_read},
|
jbe@85
|
1949 {"read_nb", moonbr_io_read_nb},
|
jbe@140
|
1950 {"read_call", moonbr_io_read_call},
|
jbe@140
|
1951 {"read_yield", moonbr_io_read_yield},
|
jbe@86
|
1952 {"drain", moonbr_io_drain},
|
jbe@86
|
1953 {"drain_nb", moonbr_io_drain_nb},
|
jbe@144
|
1954 {"drain_call", moonbr_io_drain_call},
|
jbe@144
|
1955 {"drain_yield", moonbr_io_drain_yield},
|
jbe@80
|
1956 {"write", moonbr_io_write},
|
jbe@81
|
1957 {"write_nb", moonbr_io_write_nb},
|
jbe@145
|
1958 {"write_call", moonbr_io_write_call},
|
jbe@145
|
1959 {"write_yield", moonbr_io_write_yield},
|
jbe@80
|
1960 {"flush", moonbr_io_flush},
|
jbe@81
|
1961 {"flush_nb", moonbr_io_flush_nb},
|
jbe@145
|
1962 {"flush_call", moonbr_io_flush_call},
|
jbe@145
|
1963 {"flush_yield", moonbr_io_flush_yield},
|
jbe@88
|
1964 {"finish", moonbr_io_finish},
|
jbe@87
|
1965 {"close", moonbr_io_close},
|
jbe@85
|
1966 {"reset", moonbr_io_reset},
|
jbe@246
|
1967 #ifdef MOONBR_IO_USE_TLS
|
jbe@246
|
1968 {"starttls", moonbr_io_starttls},
|
jbe@246
|
1969 #endif
|
jbe@79
|
1970 {NULL, NULL}
|
jbe@79
|
1971 };
|
jbe@79
|
1972
|
jbe@79
|
1973 static const struct luaL_Reg moonbr_io_handle_metamethods[] = {
|
jbe@79
|
1974 {"__index", moonbr_io_handleindex},
|
jbe@79
|
1975 {"__newindex", moonbr_io_handlenewindex},
|
jbe@108
|
1976 {"__gc", moonbr_io_handlegc},
|
jbe@108
|
1977 {NULL, NULL}
|
jbe@108
|
1978 };
|
jbe@108
|
1979
|
jbe@108
|
1980 static const struct luaL_Reg moonbr_io_listener_methods[] = {
|
jbe@108
|
1981 {"accept", moonbr_io_accept},
|
jbe@108
|
1982 {"accept_nb", moonbr_io_accept_nb},
|
jbe@108
|
1983 {"close", moonbr_io_unlisten},
|
jbe@108
|
1984 {NULL, NULL}
|
jbe@108
|
1985 };
|
jbe@108
|
1986
|
jbe@108
|
1987 static const struct luaL_Reg moonbr_io_listener_metamethods[] = {
|
jbe@108
|
1988 {"__gc", moonbr_io_listenergc},
|
jbe@79
|
1989 {NULL, NULL}
|
jbe@79
|
1990 };
|
jbe@79
|
1991
|
jbe@205
|
1992 static const struct luaL_Reg moonbr_io_child_methods[] = {
|
jbe@205
|
1993 {"kill", moonbr_io_kill},
|
jbe@205
|
1994 {"wait", moonbr_io_wait},
|
jbe@205
|
1995 {"wait_nb", moonbr_io_wait_nb},
|
jbe@205
|
1996 {"wait_call", moonbr_io_wait_call},
|
jbe@205
|
1997 {"wait_yield", moonbr_io_wait_yield},
|
jbe@205
|
1998 {NULL, NULL}
|
jbe@205
|
1999 };
|
jbe@205
|
2000
|
jbe@205
|
2001 static const struct luaL_Reg moonbr_io_child_metamethods[] = {
|
jbe@205
|
2002 {"__index", moonbr_io_childindex},
|
jbe@205
|
2003 {"__newindex", moonbr_io_childnewindex},
|
jbe@205
|
2004 {"__gc", moonbr_io_childgc},
|
jbe@205
|
2005 {NULL, NULL}
|
jbe@205
|
2006 };
|
jbe@205
|
2007
|
jbe@79
|
2008 static const struct luaL_Reg moonbr_io_module_funcs[] = {
|
jbe@111
|
2009 {"localconnect", moonbr_io_localconnect},
|
jbe@111
|
2010 {"localconnect_nb", moonbr_io_localconnect_nb},
|
jbe@98
|
2011 {"tcpconnect", moonbr_io_tcpconnect},
|
jbe@99
|
2012 {"tcpconnect_nb", moonbr_io_tcpconnect_nb},
|
jbe@112
|
2013 {"locallisten", moonbr_io_locallisten},
|
jbe@108
|
2014 {"tcplisten", moonbr_io_tcplisten},
|
jbe@205
|
2015 {"exec", moonbr_io_exec},
|
jbe@266
|
2016 {"signalsocket", moonbr_io_signalsocket},
|
jbe@266
|
2017 {"getpid", moonbr_io_getpid},
|
jbe@106
|
2018 {"poll", moonbr_io_poll},
|
jbe@115
|
2019 {"timeref", moonbr_io_timeref},
|
jbe@243
|
2020 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2021 {"tlsconf", moonbr_io_tlsconf},
|
jbe@243
|
2022 #endif
|
jbe@79
|
2023 {NULL, NULL}
|
jbe@79
|
2024 };
|
jbe@79
|
2025
|
jbe@243
|
2026 #ifdef MOONBR_IO_USE_TLS
|
jbe@258
|
2027
|
jbe@243
|
2028 static const struct luaL_Reg moonbr_io_tlsconf_metamethods[] = {
|
jbe@243
|
2029 {"__gc", moonbr_io_tlsconfgc},
|
jbe@243
|
2030 {NULL, NULL}
|
jbe@243
|
2031 };
|
jbe@258
|
2032
|
jbe@258
|
2033 #endif /* MOONBR_IO_USE_TLS */
|
jbe@243
|
2034
|
jbe@79
|
2035 int luaopen_moonbridge_io(lua_State *L) {
|
jbe@79
|
2036
|
jbe@113
|
2037 signal(SIGPIPE, SIG_IGN); /* generate I/O errors instead of signal 13 */
|
jbe@266
|
2038 moonbr_io_signalfd_read = -1;
|
jbe@266
|
2039 moonbr_io_signalfd_write = -1;
|
jbe@113
|
2040
|
jbe@80
|
2041 lua_newtable(L); // module
|
jbe@80
|
2042
|
jbe@79
|
2043 lua_newtable(L); // public metatable
|
jbe@79
|
2044 lua_newtable(L); // handle methods
|
jbe@79
|
2045 luaL_setfuncs(L, moonbr_io_handle_methods, 0);
|
jbe@80
|
2046 lua_pushvalue(L, -1);
|
jbe@146
|
2047 lua_setfield(L, -4, "handle_pt");
|
jbe@79
|
2048 lua_setfield(L, -2, "__index");
|
jbe@79
|
2049 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_PUBLIC_MT_REGKEY);
|
jbe@79
|
2050
|
jbe@79
|
2051 lua_newtable(L); // handle metatable
|
jbe@79
|
2052 luaL_setfuncs(L, moonbr_io_handle_metamethods, 0);
|
jbe@146
|
2053 lua_pushvalue(L, -1);
|
jbe@146
|
2054 lua_setfield(L, -3, "handle_mt");
|
jbe@79
|
2055 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_HANDLE_MT_REGKEY);
|
jbe@79
|
2056
|
jbe@108
|
2057 lua_newtable(L); // listener metatable
|
jbe@108
|
2058 luaL_setfuncs(L, moonbr_io_listener_metamethods, 0);
|
jbe@108
|
2059 lua_newtable(L); // listener methods
|
jbe@108
|
2060 luaL_setfuncs(L, moonbr_io_listener_methods, 0);
|
jbe@108
|
2061 lua_pushvalue(L, -1);
|
jbe@146
|
2062 lua_setfield(L, -4, "listener_pt");
|
jbe@108
|
2063 lua_setfield(L, -2, "__index");
|
jbe@146
|
2064 lua_pushvalue(L, -1);
|
jbe@146
|
2065 lua_setfield(L, -3, "listener_mt");
|
jbe@108
|
2066 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_LISTENER_MT_REGKEY);
|
jbe@108
|
2067
|
jbe@205
|
2068 lua_newtable(L); // child methods
|
jbe@205
|
2069 luaL_setfuncs(L, moonbr_io_child_methods, 0);
|
jbe@205
|
2070 lua_pushvalue(L, -1);
|
jbe@205
|
2071 lua_setfield(L, -3, "child_pt");
|
jbe@205
|
2072 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_PT_REGKEY);
|
jbe@205
|
2073 lua_newtable(L); // child metatable
|
jbe@205
|
2074 luaL_setfuncs(L, moonbr_io_child_metamethods, 0);
|
jbe@205
|
2075 lua_pushvalue(L, -1);
|
jbe@205
|
2076 lua_setfield(L, -3, "child_mt");
|
jbe@205
|
2077 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_CHILD_MT_REGKEY);
|
jbe@205
|
2078
|
jbe@243
|
2079 #ifdef MOONBR_IO_USE_TLS
|
jbe@243
|
2080 if(tls_init()) {
|
jbe@243
|
2081 return luaL_error(L, "Could not initialize TLS library");
|
jbe@243
|
2082 }
|
jbe@243
|
2083 lua_newtable(L); // tlsconf metatable
|
jbe@243
|
2084 luaL_setfuncs(L, moonbr_io_tlsconf_metamethods, 0);
|
jbe@243
|
2085 lua_pushvalue(L, -1);
|
jbe@243
|
2086 lua_setfield(L, -3, "tlsconf_mt");
|
jbe@243
|
2087 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_TLSCONF_MT_REGKEY);
|
jbe@243
|
2088 #endif
|
jbe@243
|
2089
|
jbe@205
|
2090 moonbr_io_pushhandle(L, 0);
|
jbe@205
|
2091 lua_setfield(L, -2, "stdin");
|
jbe@205
|
2092 moonbr_io_pushhandle(L, 1);
|
jbe@205
|
2093 lua_setfield(L, -2, "stdout");
|
jbe@205
|
2094 moonbr_io_pushhandle(L, 2);
|
jbe@205
|
2095 lua_setfield(L, -2, "stderr");
|
jbe@270
|
2096
|
jbe@270
|
2097 lua_newtable(L); // signal numbers
|
jbe@270
|
2098 lua_pushinteger(L, SIGHUP); lua_setfield(L, -2, "HUP");
|
jbe@270
|
2099 lua_pushinteger(L, SIGINT); lua_setfield(L, -2, "INT");
|
jbe@270
|
2100 lua_pushinteger(L, SIGQUIT); lua_setfield(L, -2, "QUIT");
|
jbe@270
|
2101 lua_pushinteger(L, SIGABRT); lua_setfield(L, -2, "ABRT");
|
jbe@270
|
2102 lua_pushinteger(L, SIGPIPE); lua_setfield(L, -2, "PIPE");
|
jbe@270
|
2103 lua_pushinteger(L, SIGALRM); lua_setfield(L, -2, "ALRM");
|
jbe@270
|
2104 lua_pushinteger(L, SIGTERM); lua_setfield(L, -2, "TERM");
|
jbe@270
|
2105 lua_pushinteger(L, SIGTSTP); lua_setfield(L, -2, "TSTP");
|
jbe@270
|
2106 lua_pushinteger(L, SIGCONT); lua_setfield(L, -2, "CONT");
|
jbe@270
|
2107 lua_pushinteger(L, SIGVTALRM); lua_setfield(L, -2, "VTALRM");
|
jbe@272
|
2108 #ifdef SIGINFO
|
jbe@270
|
2109 lua_pushinteger(L, SIGINFO); lua_setfield(L, -2, "INFO");
|
jbe@272
|
2110 #endif
|
jbe@270
|
2111 lua_pushinteger(L, SIGUSR1); lua_setfield(L, -2, "USR1");
|
jbe@270
|
2112 lua_pushinteger(L, SIGUSR2); lua_setfield(L, -2, "USR2");
|
jbe@271
|
2113 lua_pushvalue(L, -1);
|
jbe@271
|
2114 lua_setfield(L, -3, "signals");
|
jbe@271
|
2115 lua_setfield(L, LUA_REGISTRYINDEX, MOONBR_IO_SIGNALS_REGKEY);
|
jbe@205
|
2116
|
jbe@79
|
2117 luaL_setfuncs(L, moonbr_io_module_funcs, 0);
|
jbe@79
|
2118 return 1;
|
jbe@79
|
2119
|
jbe@79
|
2120 }
|
jbe@79
|
2121
|