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authorhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
committerhongbotian <hongbo.tianhongbo@huawei.com>2015-11-30 01:45:08 -0500
commite8ec7aa8e38a93f5b034ac74cebce5de23710317 (patch)
treeaa031937bf856c1f8d6ad7877b8d2cb0224da5ef /rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_scan.l
parentcc40af334e619bb549038238507407866f774f8f (diff)
upload http
JIRA: BOTTLENECK-10 Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>
Diffstat (limited to 'rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_scan.l')
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diff --git a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_scan.l b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_scan.l
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+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License. You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/* _ _
+ * _ __ ___ ___ __| | ___ ___| |
+ * | '_ ` _ \ / _ \ / _` | / __/ __| |
+ * | | | | | | (_) | (_| | \__ \__ \ | mod_ssl - Apache Interface to OpenSSL
+ * |_| |_| |_|\___/ \__,_|___|___/___/_| http://www.modssl.org/
+ * |_____|
+ * ssl_expr_scan.l
+ * Expression Scanner
+ */
+ /* ``Killing for peace is
+ like fucking for virginity.''
+ -- Unknown */
+
+/* _________________________________________________________________
+**
+** Expression Scanner
+** _________________________________________________________________
+*/
+
+%{
+#include "mod_ssl.h"
+
+#include "ssl_expr_parse.h"
+
+#define YY_NO_UNPUT 1
+int yyinput(char *buf, int max_size);
+
+#undef YY_INPUT
+#define YY_INPUT(buf,result,max_size) \
+ (result = yyinput(buf, max_size))
+
+#define MAX_STR_LEN 2048
+%}
+
+%pointer
+/* %option stack */
+%option never-interactive
+%option noyywrap
+%x str
+%x regex regex_flags
+
+%%
+
+ char caStr[MAX_STR_LEN];
+ char *cpStr = NULL;
+ char caRegex[MAX_STR_LEN];
+ char *cpRegex = NULL;
+ char cRegexDel = NUL;
+
+ /*
+ * Whitespaces
+ */
+[ \t\n]+ {
+ /* NOP */
+}
+
+ /*
+ * C-style strings ("...")
+ */
+\" {
+ cpStr = caStr;
+ BEGIN(str);
+}
+<str>\" {
+ BEGIN(INITIAL);
+ *cpStr = NUL;
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, caStr);
+ return T_STRING;
+}
+<str>\n {
+ yyerror("Unterminated string");
+}
+<str>\\[0-7]{1,3} {
+ int result;
+
+ (void)sscanf(yytext+1, "%o", &result);
+ if (result > 0xff)
+ yyerror("Escape sequence out of bound");
+ else
+ *cpStr++ = result;
+}
+<str>\\[0-9]+ {
+ yyerror("Bad escape sequence");
+}
+<str>\\n { *cpStr++ = '\n'; }
+<str>\\r { *cpStr++ = '\r'; }
+<str>\\t { *cpStr++ = '\t'; }
+<str>\\b { *cpStr++ = '\b'; }
+<str>\\f { *cpStr++ = '\f'; }
+<str>\\(.|\n) {
+ *cpStr++ = yytext[1];
+}
+<str>[^\\\n\"]+ {
+ char *cp = yytext;
+ while (*cp != NUL)
+ *cpStr++ = *cp++;
+}
+<str>. {
+ *cpStr++ = yytext[1];
+}
+
+ /*
+ * Regular Expression
+ */
+"m". {
+ cRegexDel = yytext[1];
+ cpRegex = caRegex;
+ BEGIN(regex);
+}
+<regex>.|\n {
+ if (yytext[0] == cRegexDel) {
+ *cpRegex = NUL;
+ BEGIN(regex_flags);
+ }
+ else {
+ *cpRegex++ = yytext[0];
+ }
+}
+<regex_flags>i {
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, caRegex);
+ BEGIN(INITIAL);
+ return T_REGEX_I;
+}
+<regex_flags>.|\n {
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, caRegex);
+ yyless(0);
+ BEGIN(INITIAL);
+ return T_REGEX;
+}
+<regex_flags><<EOF>> {
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, caRegex);
+ BEGIN(INITIAL);
+ return T_REGEX;
+}
+
+ /*
+ * Operators
+ */
+"eq" { return T_OP_EQ; }
+"==" { return T_OP_EQ; }
+"ne" { return T_OP_NE; }
+"!=" { return T_OP_NE; }
+"lt" { return T_OP_LT; }
+"<" { return T_OP_LT; }
+"le" { return T_OP_LE; }
+"<=" { return T_OP_LE; }
+"gt" { return T_OP_GT; }
+">" { return T_OP_GT; }
+"ge" { return T_OP_GE; }
+">=" { return T_OP_GE; }
+"=~" { return T_OP_REG; }
+"!~" { return T_OP_NRE; }
+"and" { return T_OP_AND; }
+"&&" { return T_OP_AND; }
+"or" { return T_OP_OR; }
+"||" { return T_OP_OR; }
+"not" { return T_OP_NOT; }
+"!" { return T_OP_NOT; }
+"in" { return T_OP_IN; }
+
+ /*
+ * Functions
+ */
+"file" { return T_FUNC_FILE; }
+
+ /*
+ * Specials
+ */
+"true" { return T_TRUE; }
+"false" { return T_FALSE; }
+
+ /*
+ * Digits
+ */
+[0-9]+ {
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, yytext);
+ return T_DIGIT;
+}
+
+ /*
+ * Identifiers
+ */
+[a-zA-Z][a-zA-Z0-9_:-]* {
+ yylval.cpVal = apr_pstrdup(ssl_expr_info.pool, yytext);
+ return T_ID;
+}
+
+ /*
+ * Anything else is returned as is...
+ */
+.|\n {
+ return yytext[0];
+}
+
+%%
+
+int yyinput(char *buf, int max_size)
+{
+ int n;
+
+ if ((n = MIN(max_size, ssl_expr_info.inputbuf
+ + ssl_expr_info.inputlen
+ - ssl_expr_info.inputptr)) <= 0)
+ return YY_NULL;
+ memcpy(buf, ssl_expr_info.inputptr, n);
+ ssl_expr_info.inputptr += n;
+ return n;
+}
+