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