1 | /* $FreeBSD$ */ |
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2 | /* $KAME: policy_token.l,v 1.13 2003/05/09 05:19:55 sakane Exp $ */ |
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3 | |
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4 | /* |
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5 | * Copyright (C) 1995, 1996, 1997, 1998, and 1999 WIDE Project. |
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6 | * All rights reserved. |
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7 | * |
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8 | * Redistribution and use in source and binary forms, with or without |
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9 | * modification, are permitted provided that the following conditions |
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10 | * are met: |
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11 | * 1. Redistributions of source code must retain the above copyright |
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12 | * notice, this list of conditions and the following disclaimer. |
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13 | * 2. Redistributions in binary form must reproduce the above copyright |
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14 | * notice, this list of conditions and the following disclaimer in the |
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15 | * documentation and/or other materials provided with the distribution. |
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16 | * 3. Neither the name of the project nor the names of its contributors |
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17 | * may be used to endorse or promote products derived from this software |
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18 | * without specific prior written permission. |
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19 | * |
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20 | * THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND |
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21 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
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22 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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23 | * ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE |
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24 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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25 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
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26 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
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27 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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28 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
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29 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
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30 | * SUCH DAMAGE. |
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31 | */ |
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32 | |
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33 | %{ |
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34 | #include <sys/types.h> |
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35 | #include <sys/param.h> |
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36 | #include <sys/socket.h> |
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37 | #include <net/route.h> |
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38 | #ifdef __rtems__ |
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39 | #include <freebsd/net/pfkeyv2.h> |
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40 | #include <freebsd/netipsec/keydb.h> |
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41 | #include <freebsd/netinet/in.h> |
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42 | #include <freebsd/netipsec/ipsec.h> |
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43 | #else |
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44 | #include <net/pfkeyv2.h> |
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45 | #include <netipsec/keydb.h> |
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46 | #include <netinet/in.h> |
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47 | #include <netipsec/ipsec.h> |
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48 | #endif |
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49 | |
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50 | #include <stdlib.h> |
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51 | #include <limits.h> |
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52 | #include <string.h> |
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53 | #include <unistd.h> |
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54 | #include <errno.h> |
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55 | |
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56 | #ifdef __rtems__ |
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57 | /* XXX - Jennifer doesn't know where to get this from */ |
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58 | YY_BUFFER_STATE yy_current_buffer; |
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59 | #endif |
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60 | |
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61 | #include "y.tab.h" |
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62 | |
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63 | #define yylval __libipsecyylval /* XXX */ |
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64 | |
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65 | int yylex(void); |
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66 | %} |
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67 | |
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68 | %option noyywrap |
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69 | %option nounput |
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70 | |
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71 | /* common section */ |
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72 | nl \n |
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73 | ws [ \t]+ |
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74 | digit [0-9] |
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75 | hexdigit [0-9A-Fa-f] |
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76 | special [()+\|\?\*,] |
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77 | dot \. |
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78 | comma \, |
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79 | hyphen \- |
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80 | colon \: |
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81 | slash \/ |
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82 | bcl \{ |
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83 | ecl \} |
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84 | blcl \[ |
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85 | elcl \] |
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86 | percent \% |
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87 | semi \; |
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88 | usec {dot}{digit}{1,6} |
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89 | comment \#.* |
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90 | ccomment "/*" |
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91 | bracketstring \<[^>]*\> |
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92 | quotedstring \"[^"]*\" |
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93 | decstring {digit}+ |
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94 | hexpair {hexdigit}{hexdigit} |
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95 | hexstring 0[xX]{hexdigit}+ |
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96 | octetstring {octet}({dot}{octet})+ |
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97 | ipaddress [a-zA-Z0-9:\._][a-zA-Z0-9:\._]*(%[a-zA-Z0-9]+)? |
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98 | |
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99 | %% |
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100 | |
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101 | in { yylval.num = IPSEC_DIR_INBOUND; return(DIR); } |
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102 | out { yylval.num = IPSEC_DIR_OUTBOUND; return(DIR); } |
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103 | |
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104 | discard { yylval.num = IPSEC_POLICY_DISCARD; return(ACTION); } |
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105 | none { yylval.num = IPSEC_POLICY_NONE; return(ACTION); } |
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106 | ipsec { yylval.num = IPSEC_POLICY_IPSEC; return(ACTION); } |
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107 | bypass { yylval.num = IPSEC_POLICY_BYPASS; return(ACTION); } |
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108 | entrust { yylval.num = IPSEC_POLICY_ENTRUST; return(ACTION); } |
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109 | |
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110 | esp { yylval.num = IPPROTO_ESP; return(PROTOCOL); } |
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111 | ah { yylval.num = IPPROTO_AH; return(PROTOCOL); } |
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112 | ipcomp { yylval.num = IPPROTO_IPCOMP; return(PROTOCOL); } |
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113 | tcp { yylval.num = IPPROTO_TCP; return(PROTOCOL); } |
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114 | |
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115 | transport { yylval.num = IPSEC_MODE_TRANSPORT; return(MODE); } |
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116 | tunnel { yylval.num = IPSEC_MODE_TUNNEL; return(MODE); } |
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117 | |
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118 | me { return(ME); } |
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119 | any { return(ANY); } |
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120 | |
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121 | default { yylval.num = IPSEC_LEVEL_DEFAULT; return(LEVEL); } |
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122 | use { yylval.num = IPSEC_LEVEL_USE; return(LEVEL); } |
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123 | require { yylval.num = IPSEC_LEVEL_REQUIRE; return(LEVEL); } |
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124 | unique{colon}{decstring} { |
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125 | yylval.val.len = strlen(yytext + 7); |
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126 | yylval.val.buf = yytext + 7; |
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127 | return(LEVEL_SPECIFY); |
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128 | } |
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129 | unique { yylval.num = IPSEC_LEVEL_UNIQUE; return(LEVEL); } |
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130 | {slash} { return(SLASH); } |
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131 | |
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132 | {ipaddress} { |
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133 | yylval.val.len = strlen(yytext); |
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134 | yylval.val.buf = yytext; |
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135 | return(IPADDRESS); |
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136 | } |
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137 | |
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138 | {hyphen} { return(HYPHEN); } |
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139 | |
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140 | {ws} { ; } |
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141 | {nl} { ; } |
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142 | |
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143 | %% |
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144 | |
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145 | void __policy__strbuffer__init__(char *); |
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146 | void __policy__strbuffer__free__(void); |
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147 | |
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148 | static YY_BUFFER_STATE strbuffer; |
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149 | |
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150 | void |
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151 | __policy__strbuffer__init__(msg) |
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152 | char *msg; |
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153 | { |
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154 | if (yy_current_buffer) |
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155 | yy_delete_buffer(yy_current_buffer); |
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156 | strbuffer = (YY_BUFFER_STATE)yy_scan_string(msg); |
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157 | yy_switch_to_buffer(strbuffer); |
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158 | |
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159 | return; |
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160 | } |
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161 | |
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162 | void |
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163 | __policy__strbuffer__free__() |
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164 | { |
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165 | yy_delete_buffer(strbuffer); |
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166 | |
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167 | return; |
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168 | } |
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