Merge commit 'v2.5.1'

[ossec-hids.git] / src / util / ossec-regex.c

diff --git a/src/util/ossec-regex.c b/src/util/ossec-regex.c
new file mode 100644 (file)
index 0000000..70df990
--- /dev/null
+++ b/src/util/ossec-regex.c
@@ -0,0 +1,102 @@
+/* @(#) $Id$ */
+
+/* Copyright (C) 2009 Trend Micro Inc.
+ * All right reserved.
+ *
+ * This program is a free software; you can redistribute it
+ * and/or modify it under the terms of the GNU General Public
+ * License (version 2) as published by the FSF - Free Software
+ * Foundation
+ */
+
+
+/* This tool will clear the project statistics */
+
+#include "shared.h"
+
+#undef ARGV0
+#define ARGV0 "ossec-regex"
+
+
+/** help **/
+void helpmsg()
+{
+    printf("\nOSSEC HIDS %s: ossec-regex pattern\n", ARGV0);
+    exit(1);
+}
+
+
+/** main **/
+int main(int argc, char **argv)
+{
+    char *pattern;
+    
+    char msg[OS_MAXSTR +1];
+    memset(msg, '\0', OS_MAXSTR +1);
+    OSRegex regex; 
+    OSMatch matcher; 
+
+    OS_SetName(ARGV0);
+        
+    
+    /* user arguments */
+    if(argc != 2)
+    {
+        helpmsg();
+        return(-1);
+    }
+    
+    /* User options */
+    if(strcmp(argv[1], "-h") == 0)
+    {
+        helpmsg();
+        return(-1);
+    }
+
+    os_strdup(argv[1], pattern);
+    if(!OSRegex_Compile(pattern, &regex, 0)) 
+    { 
+        printf("pattern does not compile with OSRegex_Compile\n");
+        return(-1); 
+    }
+    if(!OSMatch_Compile(pattern, &matcher, 0))
+    {
+        printf("pattern does not compile with OSMatch_Compile\n");
+        return(-1);
+    }
+
+
+    while((fgets(msg, OS_MAXSTR, stdin)) != NULL)
+    {        
+        /* Removing new line. */                                                                                                                                       
+        if(msg[strlen(msg) -1] == '\n')
+            msg[strlen(msg) -1] = '\0';
+
+        /* Make sure we ignore blank lines. */                                                                                                                         
+        if(strlen(msg) < 2) { continue; }                                                            
+
+        if(OSRegex_Execute(msg, &regex))
+            printf("+OSRegex_Execute: %s\n",msg); 
+        /*
+        else
+            printf("-OSRegex_Execute: \n"); 
+            */
+
+        if(OS_Regex(pattern, msg)) 
+            printf("+OS_Regex       : %s\n", msg);
+        /*
+        else
+            printf("-OS_Regex: \n"); 
+            */
+
+        if(OSMatch_Execute(msg, strlen(msg), &matcher)) 
+            printf("+OSMatch_Compile: %s\n", msg); 
+        
+        if(OS_Match2(pattern, msg)) 
+            printf("+OS_Match2      : %s\n", msg); 
+    }
+    return(0);
+}
+
+
+/* EOF */