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1377 lines
26 KiB

--- /dev/null
+++ b/src/cfg_parser.c
@@ -0,0 +1,1374 @@
+
+#line 1 "cfg_parser.rl"
+/*
+ * tcpproxy
+ *
+ * tcpproxy is a simple tcp connection proxy which combines the
+ * features of rinetd and 6tunnel. tcpproxy supports IPv4 and
+ * IPv6 and also supports connections from IPv6 to IPv4
+ * endpoints and vice versa.
+ *
+ *
+ * Copyright (C) 2010-2015 Christian Pointner <equinox@spreadspace.org>
+ *
+ * This file is part of tcpproxy.
+ *
+ * tcpproxy is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * any later version.
+ *
+ * tcpproxy is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with tcpproxy. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <stdlib.h>
+#include <string.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <sys/mman.h>
+
+#include "datatypes.h"
+#include "log.h"
+#include "options.h"
+#include "tcp.h"
+#include "listener.h"
+
+struct listener {
+ char* la_;
+ resolv_type_t lrt_;
+ char* lp_;
+ char* ra_;
+ resolv_type_t rrt_;
+ char* rp_;
+ char* sa_;
+};
+
+static void init_listener_struct(struct listener* l)
+{
+ if(!l) return;
+
+ l->la_ = NULL;
+ l->lrt_ = ANY;
+ l->lp_ = NULL;
+ l->ra_ = NULL;
+ l->rrt_ = ANY;
+ l->rp_ = NULL;
+ l->sa_ = NULL;
+}
+
+static void clear_listener_struct(struct listener* l)
+{
+ if(!l) return;
+
+ if(l->la_)
+ free(l->la_);
+ if(l->lp_)
+ free(l->lp_);
+ if(l->ra_)
+ free(l->ra_);
+ if(l->rp_)
+ free(l->rp_);
+ if(l->sa_)
+ free(l->sa_);
+
+ init_listener_struct(l);
+}
+
+static int owrt_string(char** dest, char* start, char* end)
+{
+ if(!dest || start >= end)
+ return -1;
+
+ if(*dest) free(*dest);
+ int n = end - start;
+ *dest = malloc(n+1);
+ if(!(*dest))
+ return -2;
+
+ memcpy(*dest, start, n);
+ (*dest)[n] = 0;
+
+ return 0;
+}
+
+
+#line 162 "cfg_parser.rl"
+
+
+
+int parse_listener(char* p, char* pe, listeners_t* listener)
+{
+ int cs, ret = 0, cur_line = 1;
+
+
+#line 114 "cfg_parser.c"
+static const int cfg_parser_start = 67;
+static const int cfg_parser_first_final = 67;
+static const int cfg_parser_error = 0;
+
+static const int cfg_parser_en_main = 67;
+
+
+#line 170 "cfg_parser.rl"
+
+#line 124 "cfg_parser.c"
+ {
+ cs = cfg_parser_start;
+ }
+
+#line 171 "cfg_parser.rl"
+
+ char* cpy_start = NULL;
+ struct listener lst;
+ init_listener_struct(&lst);
+
+ char* eof = pe;
+
+#line 137 "cfg_parser.c"
+ {
+ if ( p == pe )
+ goto _test_eof;
+ goto _resume;
+
+_again:
+ switch ( cs ) {
+ case 67: goto st67;
+ case 0: goto st0;
+ case 1: goto st1;
+ case 2: goto st2;
+ case 3: goto st3;
+ case 4: goto st4;
+ case 5: goto st5;
+ case 6: goto st6;
+ case 7: goto st7;
+ case 8: goto st8;
+ case 9: goto st9;
+ case 10: goto st10;
+ case 11: goto st11;
+ case 12: goto st12;
+ case 13: goto st13;
+ case 14: goto st14;
+ case 15: goto st15;
+ case 16: goto st16;
+ case 17: goto st17;
+ case 18: goto st18;
+ case 19: goto st19;
+ case 20: goto st20;
+ case 21: goto st21;
+ case 22: goto st22;
+ case 23: goto st23;
+ case 24: goto st24;
+ case 25: goto st25;
+ case 26: goto st26;
+ case 27: goto st27;
+ case 28: goto st28;
+ case 29: goto st29;
+ case 30: goto st30;
+ case 31: goto st31;
+ case 32: goto st32;
+ case 33: goto st33;
+ case 34: goto st34;
+ case 35: goto st35;
+ case 36: goto st36;
+ case 37: goto st37;
+ case 38: goto st38;
+ case 39: goto st39;
+ case 40: goto st40;
+ case 41: goto st41;
+ case 42: goto st42;
+ case 43: goto st43;
+ case 44: goto st44;
+ case 45: goto st45;
+ case 46: goto st46;
+ case 47: goto st47;
+ case 48: goto st48;
+ case 49: goto st49;
+ case 50: goto st50;
+ case 51: goto st51;
+ case 52: goto st52;
+ case 53: goto st53;
+ case 54: goto st54;
+ case 55: goto st55;
+ case 56: goto st56;
+ case 57: goto st57;
+ case 58: goto st58;
+ case 59: goto st59;
+ case 60: goto st60;
+ case 61: goto st61;
+ case 62: goto st62;
+ case 63: goto st63;
+ case 64: goto st64;
+ case 65: goto st65;
+ case 66: goto st66;
+ default: break;
+ }
+
+ if ( ++p == pe )
+ goto _test_eof;
+_resume:
+ switch ( cs )
+ {
+tr1:
+#line 127 "cfg_parser.rl"
+ {cur_line++;}
+ goto st67;
+tr90:
+#line 114 "cfg_parser.rl"
+ {
+ ret = listeners_add(listener, lst.la_, lst.lrt_, lst.lp_, lst.ra_, lst.rrt_, lst.rp_, lst.sa_);
+ clear_listener_struct(&lst);
+ }
+ goto st67;
+st67:
+ if ( ++p == pe )
+ goto _test_eof67;
+case 67:
+#line 236 "cfg_parser.c"
+ switch( (*p) ) {
+ case 10: goto tr1;
+ case 32: goto st67;
+ case 35: goto st1;
+ case 108: goto st2;
+ }
+ if ( 9 <= (*p) && (*p) <= 13 )
+ goto st67;
+ goto tr2;
+tr2:
+#line 118 "cfg_parser.rl"
+ {
+ if(p == eof)
+ log_printf(ERROR, "config file syntax error: unexpected end of file");
+ else
+ log_printf(ERROR, "config file syntax error at line %d", cur_line);
+
+ {cs = (cfg_parser_error); goto _again;}
+ }
+ goto st0;
+#line 257 "cfg_parser.c"
+st0:
+cs = 0;
+ goto _out;
+st1:
+ if ( ++p == pe )
+ goto _test_eof1;
+case 1:
+ if ( (*p) == 10 )
+ goto tr1;
+ goto st1;
+st2:
+ if ( ++p == pe )
+ goto _test_eof2;
+case 2:
+ if ( (*p) == 105 )
+ goto st3;
+ goto tr2;
+st3:
+ if ( ++p == pe )
+ goto _test_eof3;
+case 3:
+ if ( (*p) == 115 )
+ goto st4;
+ goto tr2;
+st4:
+ if ( ++p == pe )
+ goto _test_eof4;
+case 4:
+ if ( (*p) == 116 )
+ goto st5;
+ goto tr2;
+st5:
+ if ( ++p == pe )
+ goto _test_eof5;
+case 5:
+ if ( (*p) == 101 )
+ goto st6;
+ goto tr2;
+st6:
+ if ( ++p == pe )
+ goto _test_eof6;
+case 6:
+ if ( (*p) == 110 )
+ goto st7;
+ goto tr2;
+st7:
+ if ( ++p == pe )
+ goto _test_eof7;
+case 7:
+ switch( (*p) ) {
+ case 9: goto st8;
+ case 32: goto st8;
+ }
+ goto tr2;
+st8:
+ if ( ++p == pe )
+ goto _test_eof8;
+case 8:
+ switch( (*p) ) {
+ case 9: goto st8;
+ case 32: goto st8;
+ case 42: goto st9;
+ case 58: goto tr12;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto tr11;
+ } else if ( (*p) >= 45 )
+ goto tr10;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto tr10;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto tr10;
+ } else
+ goto tr11;
+ } else
+ goto tr11;
+ goto tr2;
+st9:
+ if ( ++p == pe )
+ goto _test_eof9;
+case 9:
+ switch( (*p) ) {
+ case 9: goto st10;
+ case 32: goto st10;
+ }
+ goto tr2;
+tr91:
+#line 105 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.la_), cpy_start, p); cpy_start = NULL; }
+ goto st10;
+st10:
+ if ( ++p == pe )
+ goto _test_eof10;
+case 10:
+#line 357 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto st10;
+ case 32: goto st10;
+ case 45: goto tr14;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto tr14;
+ } else if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto tr14;
+ } else
+ goto tr14;
+ goto tr2;
+tr14:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st11;
+st11:
+ if ( ++p == pe )
+ goto _test_eof11;
+case 11:
+#line 380 "cfg_parser.c"
+ switch( (*p) ) {
+ case 10: goto tr16;
+ case 32: goto tr15;
+ case 35: goto tr17;
+ case 45: goto st11;
+ case 123: goto tr19;
+ }
+ if ( (*p) < 48 ) {
+ if ( 9 <= (*p) && (*p) <= 13 )
+ goto tr15;
+ } else if ( (*p) > 57 ) {
+ if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto st11;
+ } else if ( (*p) >= 65 )
+ goto st11;
+ } else
+ goto st11;
+ goto tr2;
+tr21:
+#line 127 "cfg_parser.rl"
+ {cur_line++;}
+ goto st12;
+tr15:
+#line 106 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.lp_), cpy_start, p); cpy_start = NULL; }
+ goto st12;
+tr16:
+#line 106 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.lp_), cpy_start, p); cpy_start = NULL; }
+#line 127 "cfg_parser.rl"
+ {cur_line++;}
+ goto st12;
+st12:
+ if ( ++p == pe )
+ goto _test_eof12;
+case 12:
+#line 418 "cfg_parser.c"
+ switch( (*p) ) {
+ case 10: goto tr21;
+ case 32: goto st12;
+ case 35: goto st13;
+ case 123: goto st14;
+ }
+ if ( 9 <= (*p) && (*p) <= 13 )
+ goto st12;
+ goto tr2;
+tr17:
+#line 106 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.lp_), cpy_start, p); cpy_start = NULL; }
+ goto st13;
+st13:
+ if ( ++p == pe )
+ goto _test_eof13;
+case 13:
+#line 436 "cfg_parser.c"
+ if ( (*p) == 10 )
+ goto tr21;
+ goto st13;
+tr24:
+#line 127 "cfg_parser.rl"
+ {cur_line++;}
+ goto st14;
+tr19:
+#line 106 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.lp_), cpy_start, p); cpy_start = NULL; }
+ goto st14;
+tr48:
+#line 110 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.rp_), cpy_start, p); cpy_start = NULL; }
+ goto st14;
+tr87:
+#line 113 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.sa_), cpy_start, p); cpy_start = NULL; }
+ goto st14;
+st14:
+ if ( ++p == pe )
+ goto _test_eof14;
+case 14:
+#line 460 "cfg_parser.c"
+ switch( (*p) ) {
+ case 10: goto tr24;
+ case 32: goto st14;
+ case 35: goto st15;
+ case 114: goto st16;
+ case 115: goto st52;
+ case 125: goto st63;
+ }
+ if ( 9 <= (*p) && (*p) <= 13 )
+ goto st14;
+ goto tr2;
+st15:
+ if ( ++p == pe )
+ goto _test_eof15;
+case 15:
+ if ( (*p) == 10 )
+ goto tr24;
+ goto st15;
+st16:
+ if ( ++p == pe )
+ goto _test_eof16;
+case 16:
+ if ( (*p) == 101 )
+ goto st17;
+ goto tr2;
+st17:
+ if ( ++p == pe )
+ goto _test_eof17;
+case 17:
+ switch( (*p) ) {
+ case 109: goto st18;
+ case 115: goto st43;
+ }
+ goto tr2;
+st18:
+ if ( ++p == pe )
+ goto _test_eof18;
+case 18:
+ if ( (*p) == 111 )
+ goto st19;
+ goto tr2;
+st19:
+ if ( ++p == pe )
+ goto _test_eof19;
+case 19:
+ if ( (*p) == 116 )
+ goto st20;
+ goto tr2;
+st20:
+ if ( ++p == pe )
+ goto _test_eof20;
+case 20:
+ if ( (*p) == 101 )
+ goto st21;
+ goto tr2;
+st21:
+ if ( ++p == pe )
+ goto _test_eof21;
+case 21:
+ switch( (*p) ) {
+ case 9: goto st22;
+ case 32: goto st22;
+ case 45: goto st31;
+ case 58: goto st23;
+ }
+ goto tr2;
+st22:
+ if ( ++p == pe )
+ goto _test_eof22;
+case 22:
+ switch( (*p) ) {
+ case 9: goto st22;
+ case 32: goto st22;
+ case 58: goto st23;
+ }
+ goto tr2;
+st23:
+ if ( ++p == pe )
+ goto _test_eof23;
+case 23:
+ switch( (*p) ) {
+ case 9: goto st24;
+ case 32: goto st24;
+ }
+ goto tr2;
+st24:
+ if ( ++p == pe )
+ goto _test_eof24;
+case 24:
+ switch( (*p) ) {
+ case 9: goto st24;
+ case 32: goto st24;
+ case 58: goto tr41;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto tr40;
+ } else if ( (*p) >= 45 )
+ goto tr39;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto tr39;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto tr39;
+ } else
+ goto tr40;
+ } else
+ goto tr40;
+ goto tr2;
+tr39:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st25;
+st25:
+ if ( ++p == pe )
+ goto _test_eof25;
+case 25:
+#line 581 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr42;
+ case 32: goto tr42;
+ }
+ if ( (*p) < 48 ) {
+ if ( 45 <= (*p) && (*p) <= 46 )
+ goto st25;
+ } else if ( (*p) > 57 ) {
+ if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto st25;
+ } else if ( (*p) >= 65 )
+ goto st25;
+ } else
+ goto st25;
+ goto tr2;
+tr42:
+#line 109 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.ra_), cpy_start, p); cpy_start = NULL; }
+ goto st26;
+st26:
+ if ( ++p == pe )
+ goto _test_eof26;
+case 26:
+#line 606 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto st26;
+ case 32: goto st26;
+ case 45: goto tr45;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto tr45;
+ } else if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto tr45;
+ } else
+ goto tr45;
+ goto tr2;
+tr45:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st27;
+st27:
+ if ( ++p == pe )
+ goto _test_eof27;
+case 27:
+#line 629 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr46;
+ case 32: goto tr46;
+ case 45: goto st27;
+ case 59: goto tr48;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto st27;
+ } else if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto st27;
+ } else
+ goto st27;
+ goto tr2;
+tr46:
+#line 110 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.rp_), cpy_start, p); cpy_start = NULL; }
+ goto st28;
+tr63:
+#line 111 "cfg_parser.rl"
+ { lst.rrt_ = IPV4_ONLY; }
+ goto st28;
+tr64:
+#line 112 "cfg_parser.rl"
+ { lst.rrt_ = IPV6_ONLY; }
+ goto st28;
+tr73:
+#line 107 "cfg_parser.rl"
+ { lst.lrt_ = IPV4_ONLY; }
+ goto st28;
+tr74:
+#line 108 "cfg_parser.rl"
+ { lst.lrt_ = IPV6_ONLY; }
+ goto st28;
+tr85:
+#line 113 "cfg_parser.rl"
+ { ret = owrt_string(&(lst.sa_), cpy_start, p); cpy_start = NULL; }
+ goto st28;
+st28:
+ if ( ++p == pe )
+ goto _test_eof28;
+case 28:
+#line 673 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto st28;
+ case 32: goto st28;
+ case 59: goto st14;
+ }
+ goto tr2;
+tr40:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st29;
+st29:
+ if ( ++p == pe )
+ goto _test_eof29;
+case 29:
+#line 688 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr42;
+ case 32: goto tr42;
+ case 58: goto st30;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto st29;
+ } else if ( (*p) >= 45 )
+ goto st25;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto st25;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto st25;
+ } else
+ goto st29;
+ } else
+ goto st29;
+ goto tr2;
+tr41:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st30;
+st30:
+ if ( ++p == pe )
+ goto _test_eof30;
+case 30:
+#line 720 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr42;
+ case 32: goto tr42;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 58 )
+ goto st30;
+ } else if ( (*p) > 70 ) {
+ if ( 97 <= (*p) && (*p) <= 102 )
+ goto st30;
+ } else
+ goto st30;
+ goto tr2;
+st31:
+ if ( ++p == pe )
+ goto _test_eof31;
+case 31:
+ if ( (*p) == 114 )
+ goto st32;
+ goto tr2;
+st32:
+ if ( ++p == pe )
+ goto _test_eof32;
+case 32:
+ if ( (*p) == 101 )
+ goto st33;
+ goto tr2;
+st33:
+ if ( ++p == pe )
+ goto _test_eof33;
+case 33:
+ if ( (*p) == 115 )
+ goto st34;
+ goto tr2;
+st34:
+ if ( ++p == pe )
+ goto _test_eof34;
+case 34:
+ if ( (*p) == 111 )
+ goto st35;
+ goto tr2;
+st35:
+ if ( ++p == pe )
+ goto _test_eof35;
+case 35:
+ if ( (*p) == 108 )
+ goto st36;
+ goto tr2;
+st36:
+ if ( ++p == pe )
+ goto _test_eof36;
+case 36:
+ if ( (*p) == 118 )
+ goto st37;
+ goto tr2;
+st37:
+ if ( ++p == pe )
+ goto _test_eof37;
+case 37:
+ switch( (*p) ) {
+ case 9: goto st37;
+ case 32: goto st37;
+ case 58: goto st38;
+ }
+ goto tr2;
+st38:
+ if ( ++p == pe )
+ goto _test_eof38;
+case 38:
+ switch( (*p) ) {
+ case 9: goto st39;
+ case 32: goto st39;
+ }
+ goto tr2;
+st39:
+ if ( ++p == pe )
+ goto _test_eof39;
+case 39:
+ switch( (*p) ) {
+ case 9: goto st39;
+ case 32: goto st39;
+ case 73: goto st40;
+ case 105: goto st40;
+ }
+ goto tr2;
+st40:
+ if ( ++p == pe )
+ goto _test_eof40;
+case 40:
+ switch( (*p) ) {
+ case 80: goto st41;
+ case 112: goto st41;
+ }
+ goto tr2;
+st41:
+ if ( ++p == pe )
+ goto _test_eof41;
+case 41:
+ switch( (*p) ) {
+ case 86: goto st42;
+ case 118: goto st42;
+ }
+ goto tr2;
+st42:
+ if ( ++p == pe )
+ goto _test_eof42;
+case 42:
+ switch( (*p) ) {
+ case 52: goto tr63;
+ case 54: goto tr64;
+ }
+ goto tr2;
+st43:
+ if ( ++p == pe )
+ goto _test_eof43;
+case 43:
+ if ( (*p) == 111 )
+ goto st44;
+ goto tr2;
+st44:
+ if ( ++p == pe )
+ goto _test_eof44;
+case 44:
+ if ( (*p) == 108 )
+ goto st45;
+ goto tr2;
+st45:
+ if ( ++p == pe )
+ goto _test_eof45;
+case 45:
+ if ( (*p) == 118 )
+ goto st46;
+ goto tr2;
+st46:
+ if ( ++p == pe )
+ goto _test_eof46;
+case 46:
+ switch( (*p) ) {
+ case 9: goto st46;
+ case 32: goto st46;
+ case 58: goto st47;
+ }
+ goto tr2;
+st47:
+ if ( ++p == pe )
+ goto _test_eof47;
+case 47:
+ switch( (*p) ) {
+ case 9: goto st48;
+ case 32: goto st48;
+ }
+ goto tr2;
+st48:
+ if ( ++p == pe )
+ goto _test_eof48;
+case 48:
+ switch( (*p) ) {
+ case 9: goto st48;
+ case 32: goto st48;
+ case 73: goto st49;
+ case 105: goto st49;
+ }
+ goto tr2;
+st49:
+ if ( ++p == pe )
+ goto _test_eof49;
+case 49:
+ switch( (*p) ) {
+ case 80: goto st50;
+ case 112: goto st50;
+ }
+ goto tr2;
+st50:
+ if ( ++p == pe )
+ goto _test_eof50;
+case 50:
+ switch( (*p) ) {
+ case 86: goto st51;
+ case 118: goto st51;
+ }
+ goto tr2;
+st51:
+ if ( ++p == pe )
+ goto _test_eof51;
+case 51:
+ switch( (*p) ) {
+ case 52: goto tr73;
+ case 54: goto tr74;
+ }
+ goto tr2;
+st52:
+ if ( ++p == pe )
+ goto _test_eof52;
+case 52:
+ if ( (*p) == 111 )
+ goto st53;
+ goto tr2;
+st53:
+ if ( ++p == pe )
+ goto _test_eof53;
+case 53:
+ if ( (*p) == 117 )
+ goto st54;
+ goto tr2;
+st54:
+ if ( ++p == pe )
+ goto _test_eof54;
+case 54:
+ if ( (*p) == 114 )
+ goto st55;
+ goto tr2;
+st55:
+ if ( ++p == pe )
+ goto _test_eof55;
+case 55:
+ if ( (*p) == 99 )
+ goto st56;
+ goto tr2;
+st56:
+ if ( ++p == pe )
+ goto _test_eof56;
+case 56:
+ if ( (*p) == 101 )
+ goto st57;
+ goto tr2;
+st57:
+ if ( ++p == pe )
+ goto _test_eof57;
+case 57:
+ switch( (*p) ) {
+ case 9: goto st57;
+ case 32: goto st57;
+ case 58: goto st58;
+ }
+ goto tr2;
+st58:
+ if ( ++p == pe )
+ goto _test_eof58;
+case 58:
+ switch( (*p) ) {
+ case 9: goto st59;
+ case 32: goto st59;
+ }
+ goto tr2;
+st59:
+ if ( ++p == pe )
+ goto _test_eof59;
+case 59:
+ switch( (*p) ) {
+ case 9: goto st59;
+ case 32: goto st59;
+ case 58: goto tr84;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto tr83;
+ } else if ( (*p) >= 45 )
+ goto tr82;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto tr82;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto tr82;
+ } else
+ goto tr83;
+ } else
+ goto tr83;
+ goto tr2;
+tr82:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st60;
+st60:
+ if ( ++p == pe )
+ goto _test_eof60;
+case 60:
+#line 1000 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr85;
+ case 32: goto tr85;
+ case 59: goto tr87;
+ }
+ if ( (*p) < 48 ) {
+ if ( 45 <= (*p) && (*p) <= 46 )
+ goto st60;
+ } else if ( (*p) > 57 ) {
+ if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto st60;
+ } else if ( (*p) >= 65 )
+ goto st60;
+ } else
+ goto st60;
+ goto tr2;
+tr83:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st61;
+st61:
+ if ( ++p == pe )
+ goto _test_eof61;
+case 61:
+#line 1026 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr85;
+ case 32: goto tr85;
+ case 58: goto st62;
+ case 59: goto tr87;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto st61;
+ } else if ( (*p) >= 45 )
+ goto st60;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto st60;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto st60;
+ } else
+ goto st61;
+ } else
+ goto st61;
+ goto tr2;
+tr84:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st62;
+st62:
+ if ( ++p == pe )
+ goto _test_eof62;
+case 62:
+#line 1059 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr85;
+ case 32: goto tr85;
+ case 59: goto tr87;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 58 )
+ goto st62;
+ } else if ( (*p) > 70 ) {
+ if ( 97 <= (*p) && (*p) <= 102 )
+ goto st62;
+ } else
+ goto st62;
+ goto tr2;
+st63:
+ if ( ++p == pe )
+ goto _test_eof63;
+case 63:
+ if ( (*p) == 59 )
+ goto tr90;
+ goto tr2;
+tr10:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st64;
+st64:
+ if ( ++p == pe )
+ goto _test_eof64;
+case 64:
+#line 1089 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr91;
+ case 32: goto tr91;
+ }
+ if ( (*p) < 48 ) {
+ if ( 45 <= (*p) && (*p) <= 46 )
+ goto st64;
+ } else if ( (*p) > 57 ) {
+ if ( (*p) > 90 ) {
+ if ( 97 <= (*p) && (*p) <= 122 )
+ goto st64;
+ } else if ( (*p) >= 65 )
+ goto st64;
+ } else
+ goto st64;
+ goto tr2;
+tr11:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st65;
+st65:
+ if ( ++p == pe )
+ goto _test_eof65;
+case 65:
+#line 1114 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr91;
+ case 32: goto tr91;
+ case 58: goto st66;
+ }
+ if ( (*p) < 65 ) {
+ if ( (*p) > 46 ) {
+ if ( 48 <= (*p) && (*p) <= 57 )
+ goto st65;
+ } else if ( (*p) >= 45 )
+ goto st64;
+ } else if ( (*p) > 70 ) {
+ if ( (*p) < 97 ) {
+ if ( 71 <= (*p) && (*p) <= 90 )
+ goto st64;
+ } else if ( (*p) > 102 ) {
+ if ( 103 <= (*p) && (*p) <= 122 )
+ goto st64;
+ } else
+ goto st65;
+ } else
+ goto st65;
+ goto tr2;
+tr12:
+#line 104 "cfg_parser.rl"
+ { cpy_start = p; }
+ goto st66;
+st66:
+ if ( ++p == pe )
+ goto _test_eof66;
+case 66:
+#line 1146 "cfg_parser.c"
+ switch( (*p) ) {
+ case 9: goto tr91;
+ case 32: goto tr91;
+ }
+ if ( (*p) < 65 ) {
+ if ( 48 <= (*p) && (*p) <= 58 )
+ goto st66;
+ } else if ( (*p) > 70 ) {
+ if ( 97 <= (*p) && (*p) <= 102 )
+ goto st66;
+ } else
+ goto st66;
+ goto tr2;
+ }
+ _test_eof67: cs = 67; goto _test_eof;
+ _test_eof1: cs = 1; goto _test_eof;
+ _test_eof2: cs = 2; goto _test_eof;
+ _test_eof3: cs = 3; goto _test_eof;
+ _test_eof4: cs = 4; goto _test_eof;
+ _test_eof5: cs = 5; goto _test_eof;
+ _test_eof6: cs = 6; goto _test_eof;
+ _test_eof7: cs = 7; goto _test_eof;
+ _test_eof8: cs = 8; goto _test_eof;
+ _test_eof9: cs = 9; goto _test_eof;
+ _test_eof10: cs = 10; goto _test_eof;
+ _test_eof11: cs = 11; goto _test_eof;
+ _test_eof12: cs = 12; goto _test_eof;
+ _test_eof13: cs = 13; goto _test_eof;
+ _test_eof14: cs = 14; goto _test_eof;
+ _test_eof15: cs = 15; goto _test_eof;
+ _test_eof16: cs = 16; goto _test_eof;
+ _test_eof17: cs = 17; goto _test_eof;
+ _test_eof18: cs = 18; goto _test_eof;
+ _test_eof19: cs = 19; goto _test_eof;
+ _test_eof20: cs = 20; goto _test_eof;
+ _test_eof21: cs = 21; goto _test_eof;
+ _test_eof22: cs = 22; goto _test_eof;
+ _test_eof23: cs = 23; goto _test_eof;
+ _test_eof24: cs = 24; goto _test_eof;
+ _test_eof25: cs = 25; goto _test_eof;
+ _test_eof26: cs = 26; goto _test_eof;
+ _test_eof27: cs = 27; goto _test_eof;
+ _test_eof28: cs = 28; goto _test_eof;
+ _test_eof29: cs = 29; goto _test_eof;
+ _test_eof30: cs = 30; goto _test_eof;
+ _test_eof31: cs = 31; goto _test_eof;
+ _test_eof32: cs = 32; goto _test_eof;
+ _test_eof33: cs = 33; goto _test_eof;
+ _test_eof34: cs = 34; goto _test_eof;
+ _test_eof35: cs = 35; goto _test_eof;
+ _test_eof36: cs = 36; goto _test_eof;
+ _test_eof37: cs = 37; goto _test_eof;
+ _test_eof38: cs = 38; goto _test_eof;
+ _test_eof39: cs = 39; goto _test_eof;
+ _test_eof40: cs = 40; goto _test_eof;
+ _test_eof41: cs = 41; goto _test_eof;
+ _test_eof42: cs = 42; goto _test_eof;
+ _test_eof43: cs = 43; goto _test_eof;
+ _test_eof44: cs = 44; goto _test_eof;
+ _test_eof45: cs = 45; goto _test_eof;
+ _test_eof46: cs = 46; goto _test_eof;
+ _test_eof47: cs = 47; goto _test_eof;
+ _test_eof48: cs = 48; goto _test_eof;
+ _test_eof49: cs = 49; goto _test_eof;
+ _test_eof50: cs = 50; goto _test_eof;
+ _test_eof51: cs = 51; goto _test_eof;
+ _test_eof52: cs = 52; goto _test_eof;
+ _test_eof53: cs = 53; goto _test_eof;
+ _test_eof54: cs = 54; goto _test_eof;
+ _test_eof55: cs = 55; goto _test_eof;
+ _test_eof56: cs = 56; goto _test_eof;
+ _test_eof57: cs = 57; goto _test_eof;
+ _test_eof58: cs = 58; goto _test_eof;
+ _test_eof59: cs = 59; goto _test_eof;
+ _test_eof60: cs = 60; goto _test_eof;
+ _test_eof61: cs = 61; goto _test_eof;
+ _test_eof62: cs = 62; goto _test_eof;
+ _test_eof63: cs = 63; goto _test_eof;
+ _test_eof64: cs = 64; goto _test_eof;
+ _test_eof65: cs = 65; goto _test_eof;
+ _test_eof66: cs = 66; goto _test_eof;
+
+ _test_eof: {}
+ if ( p == eof )
+ {
+ switch ( cs ) {
+ case 1:
+ case 2:
+ case 3:
+ case 4:
+ case 5:
+ case 6:
+ case 7:
+ case 8:
+ case 9:
+ case 10:
+ case 11:
+ case 12:
+ case 13:
+ case 14:
+ case 15:
+ case 16:
+ case 17:
+ case 18:
+ case 19:
+ case 20:
+ case 21:
+ case 22:
+ case 23:
+ case 24:
+ case 25:
+ case 26:
+ case 27:
+ case 28:
+ case 29:
+ case 30:
+ case 31:
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ case 38:
+ case 39:
+ case 40:
+ case 41:
+ case 42:
+ case 43:
+ case 44:
+ case 45:
+ case 46:
+ case 47:
+ case 48:
+ case 49:
+ case 50:
+ case 51:
+ case 52:
+ case 53:
+ case 54:
+ case 55:
+ case 56:
+ case 57:
+ case 58:
+ case 59:
+ case 60:
+ case 61:
+ case 62:
+ case 63:
+ case 64:
+ case 65:
+ case 66:
+#line 118 "cfg_parser.rl"
+ {
+ if(p == eof)
+ log_printf(ERROR, "config file syntax error: unexpected end of file");
+ else
+ log_printf(ERROR, "config file syntax error at line %d", cur_line);
+
+ {cs = (cfg_parser_error); goto _again;}
+ }
+ break;
+#line 1309 "cfg_parser.c"
+ }
+ }
+
+ _out: {}
+ }
+
+#line 178 "cfg_parser.rl"
+
+ if(cs == cfg_parser_error) {
+ listeners_revert(listener);
+ ret = 1;
+ }
+ else
+ ret = listeners_update(listener);
+
+ clear_listener_struct(&lst);
+
+ return ret;
+}
+
+int read_configfile(const char* filename, listeners_t* listener)
+{
+ int fd = open(filename, 0);
+ if(fd < 0) {
+ log_printf(ERROR, "open('%s') failed: %s", filename, strerror(errno));
+ return -1;
+ }
+
+ struct stat sb;
+ if(fstat(fd, &sb) == -1) {
+ log_printf(ERROR, "fstat() error: %s", strerror(errno));
+ close(fd);
+ return -1;
+ }
+
+ if(!sb.st_size) {
+ log_printf(ERROR, "config file %s is empty", filename);
+ close(fd);
+ return -1;
+ }
+
+ if(!S_ISREG(sb.st_mode)) {
+ log_printf(ERROR, "config file %s is not a regular file", filename);
+ close(fd);
+ return -1;
+ }
+
+ char* p = (char*)mmap(NULL, sb.st_size, PROT_READ, MAP_SHARED, fd, 0);
+ if(p == MAP_FAILED) {
+ log_printf(ERROR, "mmap() error: %s", strerror(errno));
+ close(fd);
+ return -1;
+ }
+ close(fd);
+
+ log_printf(DEBUG, "mapped %ld bytes from file %s at address 0x%08lX", sb.st_size, filename, p);
+ int ret = parse_listener(p, p + sb.st_size, listener);
+
+ if(munmap(p, sb.st_size) == -1) {
+ log_printf(ERROR, "munmap() error: %s", strerror(errno));
+ return -1;
+ }
+ log_printf(DEBUG, "unmapped file %s", filename);
+
+ return ret;
+}