upload http

JIRA: BOTTLENECK-10

Change-Id: I7598427ff904df438ce77c2819ee48ac75ffa8da
Signed-off-by: hongbotian <hongbo.tianhongbo@huawei.com>

1 files changed, 254 insertions, 0 deletions

diff --git a/rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_eval.c b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_eval.c
new file mode 100644
index 00000000..30adeefc
--- /dev/null
+++ b/rubbos/app/httpd-2.0.64/modules/ssl/ssl_expr_eval.c
@@ -0,0 +1,254 @@
+/* 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
+ * | | | | | | (_) | (_| |   \__ \__ \ |
+ * |_| |_| |_|\___/ \__,_|___|___/___/_|
+ *                      |_____|
+ *  ssl_expr_eval.c
+ *  Expression Evaluation
+ */
+                             /* ``Make love,
+                                  not software!''
+                                        -- Unknown */
+#include "mod_ssl.h"
+
+/*  _________________________________________________________________
+**
+**  Expression Evaluation
+**  _________________________________________________________________
+*/
+
+static BOOL  ssl_expr_eval_comp(request_rec *, ssl_expr *);
+static char *ssl_expr_eval_word(request_rec *, ssl_expr *);
+static char *ssl_expr_eval_func_file(request_rec *, char *);
+static int   ssl_expr_eval_strcmplex(char *, char *);
+
+BOOL ssl_expr_eval(request_rec *r, ssl_expr *node)
+{
+    switch (node->node_op) {
+        case op_True: {
+            return TRUE;
+        }
+        case op_False: {
+            return FALSE;
+        }
+        case op_Not: {
+            ssl_expr *e = (ssl_expr *)node->node_arg1;
+            return (!ssl_expr_eval(r, e));
+        }
+        case op_Or: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval(r, e1) || ssl_expr_eval(r, e2));
+        }
+        case op_And: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval(r, e1) && ssl_expr_eval(r, e2));
+        }
+        case op_Comp: {
+            ssl_expr *e = (ssl_expr *)node->node_arg1;
+            return ssl_expr_eval_comp(r, e);
+        }
+        default: {
+            ssl_expr_error = "Internal evaluation error: Unknown expression node";
+            return FALSE;
+        }
+    }
+}
+
+static BOOL ssl_expr_eval_comp(request_rec *r, ssl_expr *node)
+{
+    switch (node->node_op) {
+        case op_EQ: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (strcmp(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) == 0);
+        }
+        case op_NE: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (strcmp(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) != 0);
+        }
+        case op_LT: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval_strcmplex(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) <  0);
+        }
+        case op_LE: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval_strcmplex(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) <= 0);
+        }
+        case op_GT: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval_strcmplex(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) >  0);
+        }
+        case op_GE: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            return (ssl_expr_eval_strcmplex(ssl_expr_eval_word(r, e1), ssl_expr_eval_word(r, e2)) >= 0);
+        }
+        case op_IN: {
+            ssl_expr *e1 = (ssl_expr *)node->node_arg1;
+            ssl_expr *e2 = (ssl_expr *)node->node_arg2;
+            ssl_expr *e3;
+            char *w1 = ssl_expr_eval_word(r, e1);
+            BOOL found = FALSE;
+            do {
+                e3 = (ssl_expr *)e2->node_arg1;
+                e2 = (ssl_expr *)e2->node_arg2;
+                if (strcmp(w1, ssl_expr_eval_word(r, e3)) == 0) {
+                    found = TRUE;
+                    break;
+                }
+            } while (e2 != NULL);
+            return found;
+        }
+        case op_REG: {
+            ssl_expr *e1;
+            ssl_expr *e2;
+            char *word;
+            regex_t *regex;
+
+            e1 = (ssl_expr *)node->node_arg1;
+            e2 = (ssl_expr *)node->node_arg2;
+            word = ssl_expr_eval_word(r, e1);
+            regex = (regex_t *)(e2->node_arg1);
+            return (ap_regexec(regex, word, 0, NULL, 0) == 0);
+        }
+        case op_NRE: {
+            ssl_expr *e1;
+            ssl_expr *e2;
+            char *word;
+            regex_t *regex;
+
+            e1 = (ssl_expr *)node->node_arg1;
+            e2 = (ssl_expr *)node->node_arg2;
+            word = ssl_expr_eval_word(r, e1);
+            regex = (regex_t *)(e2->node_arg1);
+            return !(ap_regexec(regex, word, 0, NULL, 0) == 0);
+        }
+        default: {
+            ssl_expr_error = "Internal evaluation error: Unknown expression node";
+            return FALSE;
+        }
+    }
+}
+
+static char *ssl_expr_eval_word(request_rec *r, ssl_expr *node)
+{
+    switch (node->node_op) {
+        case op_Digit: {
+            char *string = (char *)node->node_arg1;
+            return string;
+        }
+        case op_String: {
+            char *string = (char *)node->node_arg1;
+            return string;
+        }
+        case op_Var: {
+            char *var = (char *)node->node_arg1;
+            char *val = ssl_var_lookup(r->pool, r->server, r->connection, r, var);
+            return (val == NULL ? "" : val);
+        }
+        case op_Func: {
+            char *name = (char *)node->node_arg1;
+            ssl_expr *args = (ssl_expr *)node->node_arg2;
+            if (strEQ(name, "file"))
+                return ssl_expr_eval_func_file(r, (char *)(args->node_arg1));
+            else {
+                ssl_expr_error = "Internal evaluation error: Unknown function name";
+                return "";
+            }
+        }
+        default: {
+            ssl_expr_error = "Internal evaluation error: Unknown expression node";
+            return FALSE;
+        }
+    }
+}
+
+static char *ssl_expr_eval_func_file(request_rec *r, char *filename)
+{
+    apr_file_t *fp;
+    char *buf;
+    apr_off_t offset;
+    apr_size_t len;
+    apr_finfo_t finfo;
+
+    if (apr_file_open(&fp, filename, APR_READ|APR_BUFFERED, 
+                      APR_OS_DEFAULT, r->pool) != APR_SUCCESS) {
+        ssl_expr_error = "Cannot open file";
+        return "";
+    }
+    apr_file_info_get(&finfo, APR_FINFO_SIZE, fp);
+    if ((finfo.size + 1) != ((apr_size_t)finfo.size + 1)) {
+        ssl_expr_error = "Huge file cannot be read";
+        apr_file_close(fp);
+        return "";
+    }
+    len = (apr_size_t)finfo.size;
+    if (len == 0) {
+        buf = (char *)apr_palloc(r->pool, sizeof(char) * 1);
+        *buf = NUL;
+    }
+    else {
+        if ((buf = (char *)apr_palloc(r->pool, sizeof(char)*(len+1))) == NULL) {
+            ssl_expr_error = "Cannot allocate memory";
+            apr_file_close(fp);
+            return "";
+        }
+        offset = 0;
+        apr_file_seek(fp, APR_SET, &offset);
+        if (apr_file_read(fp, buf, &len) != APR_SUCCESS) {
+            ssl_expr_error = "Cannot read from file";
+            apr_file_close(fp);
+            return "";
+        }
+        buf[len] = NUL;
+    }
+    apr_file_close(fp);
+    return buf;
+}
+
+/* a variant of strcmp(3) which works correctly also for number strings */
+static int ssl_expr_eval_strcmplex(char *cpNum1, char *cpNum2)
+{
+    int i, n1, n2;
+
+    if (cpNum1 == NULL)
+        return -1;
+    if (cpNum2 == NULL)
+        return +1;
+    n1 = strlen(cpNum1);
+    n2 = strlen(cpNum2);
+    if (n1 > n2)
+        return 1;
+    if (n1 < n2)
+        return -1;
+    for (i = 0; i < n1; i++) {
+        if (cpNum1[i] > cpNum2[i])
+            return 1;
+        if (cpNum1[i] < cpNum2[i])
+            return -1;
+    }
+    return 0;
+}