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Gunasekar-KGunasekar-K
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informix audit code for trigger
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‎informix_auditing/README.txt‎

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Fine-Grained Auditing testing function
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IDS 9.50.xC4 has added functionality for trigger introspection. This allows
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us to write a generic trigger function that can record the changes made
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to any table in the database.
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This directory implement three versions of this UDR. One version (do_auditing1)
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uses a table to log the changes. The other versions (do_auditing2, do_auditing3) uses
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SESSION memory to keep track of the rows and a callback writes the
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result to files if the transaction was successful.
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Both versions should implement more testing on buffer usage. The current
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buffer has a max length of 29900 bytes. If the result is larger, we will get
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a stack trace due to memory problems.
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This directory contains:
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README : This file
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WinNT.mak : Makefile for Windows
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do_auditing1.c : do_auditing1 UDR source code
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do_auditing1.sql : register the do_auditing1 functions
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do_auditing1_d.sql: deregister the do_auditing1 functions
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do_auditing2.c : do_auditing2 UDR source code
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do_auditing2.sql : register the do_auditing2 functions
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do_auditing2_d.sql: deregister the do_auditing2 functions
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do_auditing3.c : do_auditing3 UDR source code
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do_auditing3.sql : register the do_auditing3 functions
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do_auditing3_d.sql: deregister the do_auditing3 functions
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RecordAudit.java : Java procedure used by do_auditing3
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tryit.sql : test the functionality for do_auditing1
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(writing to table auditTable)
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tryit2.sql : test the functionality for do_auditing2
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(writing to files in /tmp, names: audit_xx.xml)
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tryit2.sql : test the functionality for do_auditing2
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(writing to files in /tmp, names: audit_xx.xml)
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UNIX.mak : Generic makefile for Unix platforms
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You register do_auditing1, do_auditing2, or do_auditing3 as follows:
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- Execute the Makefile: nmake -f winnt.mak
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- Create $INFORMIX/extend/auditing
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- Execute the Makefile for install: nmake -f winnt.mak install
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- Register do_auditing1, do_auditing2, or do_auditing3:
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. dbaccess -e <dbname> do_auditing1
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. dbaccess -e <dbname> do_auditing2
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. dbaccess -e <dbname> do_auditing3
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- Execute the test script:
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. dbaccess -e <dbname> tryit
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. dbaccess -e <dbname> tryit2
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. dbaccess -e <dbname> tryit3
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- De-register the UDR:
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. dbaccess -e <dbname> do_auditing1_d
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. dbaccess -e <dbname> do_auditing2_d
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. dbaccess -e <dbname> do_auditing3_d
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By default, tracing is turned off. you can turn it on in the testit,
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testit2, and testit3 scripts. You also need to change the make file to remove
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the definition of -DMITRACE_OFF=1 from the compilation.
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If you are trying this code on a Unix platform, uncomment and modify line 32 of
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the Unix.mak file: uncomment and use your platform-specific include file.

‎informix_auditing/RecordAudit.java‎

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// (c) Copyright IBM Corp. 2004 All rights reserved. */
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// */
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// This sample program is owned by International Business Machines */
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// Corporation or one of its subsidiaries ("IBM") and is copyrighted */
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// and licensed, not sold. */
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// */
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// You may copy, modify, and distribute this sample program in any */
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// form without payment to IBM, for any purpose including developing,*/
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// using, marketing or distributing programs that include or are */
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// derivative works of the sample program. */
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// */
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// The sample program is provided to you on an "AS IS" basis, without */
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// warranty of any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL */
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// WARRANTIES EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO*/
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC-*/
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// ULAR PURPOSE. Some jurisdictions do not allow for the exclusion or */
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// limitation of implied warranties, so the above limitations or */
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// exclusions may not apply to you. IBM shall not be liable for any */
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// damages you suffer as a result of using, modifying or distributing */
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// the sample program or its derivatives. */
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// */
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// Each copy of any portion of this sample program or any derivative */
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// work, must include a the above copyright notice and disclaimer of */
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// warranty. */
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// */
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// ********************************************************************/
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import java.io.*;
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public class RecordAudit {
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public static void writeFile(String fname, String content) throws IOException
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{
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BufferedWriter fout;
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fout = new BufferedWriter(new FileWriter(fname) );
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fout.write(content);
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fout.newLine();
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fout.close();
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return;
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}
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}

‎informix_auditing/UNIX.mak‎

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# (c) Copyright IBM Corp. 2004 All rights reserved. */
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# */
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# This sample program is owned by International Business Machines */
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# Corporation or one of its subsidiaries ("IBM") and is copyrighted */
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# and licensed, not sold. */
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# */
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# You may copy, modify, and distribute this sample program in any */
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# form without payment to IBM, for any purpose including developing,*/
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# using, marketing or distributing programs that include or are */
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# derivative works of the sample program. */
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# */
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# The sample program is provided to you on an "AS IS" basis, without */
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# warranty of any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL */
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# WARRANTIES EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO*/
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC-*/
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# ULAR PURPOSE. Some jurisdictions do not allow for the exclusion or */
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# limitation of implied warranties, so the above limitations or */
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# exclusions may not apply to you. IBM shall not be liable for any */
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# damages you suffer as a result of using, modifying or distributing */
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# the sample program or its derivatives. */
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# */
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# Each copy of any portion of this sample program or any derivative */
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# work, must include a the above copyright notice and disclaimer of */
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# warranty. */
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# */
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# ********************************************************************/
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# This Makefile builds the logger libraries
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# TARGET must be set to the location/filename
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# of the platform-specific make include file.
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TARGET=$(INFORMIXDIR)/incl/dbdk/makeinc.linux
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include $(TARGET)
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# ===============================================================
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# This is the project title.
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PROJECT_TITLE = auditing
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BINDIR = $(OS_NAME)-$(PLATFORM)
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# Platform independent code goes here.
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# The following code was generated by BladeSmith.
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MI_INCL = $(INFORMIXDIR)/incl
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COPTS=-O -DMI_SERVBUILD -DMITRACE_OFF=1
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CFLAGS =$(COPTS) $(CC_PIC) -I$(MI_INCL)/public -I$(MI_INCL)
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LINKFLAGS = $(SHLIBLFLAG) $(SYMFLAG)
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LIBS =
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PROJECT_OBJS= $(BINDIR)/auditing1.$(OBJSUFF) $(BINDIR)/auditing2.$(OBJSUFF) $(BINDIR)/auditing3.$(OBJSUFF) $(BINDIR)/audit_util.$(OBJSUFF)
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PROJECT_LIBS=$(BINDIR)/$(PROJECT_TITLE).$(BLDLIB_SUFF)
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all: $(BINDIR) RecordAudit.jar
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$(MAKE) $(MAKEFLAGS) -f UNIX.mak server
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# Construct the object file.
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$(BINDIR)/auditing1.$(OBJSUFF) : auditing1.c
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$(CC) $(CFLAGS) -o $@ -c $?
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$(BINDIR)/auditing2.$(OBJSUFF) : auditing2.c
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$(CC) $(CFLAGS) -o $@ -c $?
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$(BINDIR)/auditing3.$(OBJSUFF) : auditing3.c
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$(CC) $(CFLAGS) -o $@ -c $?
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$(BINDIR)/audit_util.$(OBJSUFF) : audit_util.c
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$(CC) $(CFLAGS) -o $@ -c $?
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RecordAudit.class: RecordAudit.java
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javac RecordAudit.java
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RecordAudit.jar: RecordAudit.class
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jar cf RecordAudit.jar RecordAudit.class
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# Construct the shared library.
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# Do *NOT* link with client side libraries.
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# You will see many undefined symbols during linking. This is
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# normal since those symbols are resolved when the server loads
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# your shared object.
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#
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# ATTENTION:
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# The ld "Symbol referencing errors" warning is normal.
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# These unresolved symbols are resolved when the server
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# loads the shared object. This list should be examined, however,
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# for symbol names that may have been inadvertently misspelled.
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# Misspelled symbol names will not be resolved here or at load time.
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#
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$(PROJECT_LIBS) : $(PROJECT_OBJS)
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$(SHLIBLOD) $(LINKFLAGS) -o $(PROJECT_LIBS) \
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$(PROJECT_OBJS) $(LIBS) $(DATABLADE_LIBS) 2> link.errs
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server: $(PROJECT_LIBS)
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clean:
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$(RM) $(RMFLAGS) $(PROJECT_LIBS) $(PROJECT_OBJS) RecordAudit.class RecordAudit.jar
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$(BINDIR):
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-mkdir $(BINDIR)
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INSTALL:
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cp $(PROJECT_TITLE).bld $(INFORMIXDIR)/extend/auditing/$(PROJECT_TITLE).bld
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cp RecordAudit.jar $(INFORMIXDIR)/extend/auditing/RecordAudit.jar

‎informix_auditing/WinNT.mak‎

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# This Makefile builds the shared library
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# (c) Copyright IBM Corp. 2004 All rights reserved. */
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# */
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# This sample program is owned by International Business Machines */
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# Corporation or one of its subsidiaries ("IBM") and is copyrighted */
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# and licensed, not sold. */
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# */
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# You may copy, modify, and distribute this sample program in any */
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# form without payment to IBM, for any purpose including developing,*/
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# using, marketing or distributing programs that include or are */
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# derivative works of the sample program. */
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# */
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# The sample program is provided to you on an "AS IS" basis, without */
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# warranty of any kind. IBM HEREBY EXPRESSLY DISCLAIMS ALL */
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# WARRANTIES EITHER EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO*/
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# THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTIC-*/
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# ULAR PURPOSE. Some jurisdictions do not allow for the exclusion or */
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# limitation of implied warranties, so the above limitations or */
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# exclusions may not apply to you. IBM shall not be liable for any */
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# damages you suffer as a result of using, modifying or distributing */
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# the sample program or its derivatives. */
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# */
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# Each copy of any portion of this sample program or any derivative */
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# work, must include a the above copyright notice and disclaimer of */
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# warranty. */
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# */
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# ********************************************************************/
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# This is the project title.
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PROJECT_TITLE = auditing
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# Insure that INFORMIXDIR is set.
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!IF "$(INFORMIXDIR)" == ""
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!MESSAGE
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!MESSAGE The INFORMIXDIR environment variable is not set.
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!MESSAGE This variable must be be set to the location of
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!MESSAGE the Informix installation. This is typically
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!MESSAGE X:\informix where "X" is the drive letter.
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!MESSAGE Use "set INFORMIXDIR X:\informix" to set this
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!MESSAGE variable from a DOS command prompt or the System
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!MESSAGE entry in the Control Panel to set it permanently.
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!MESSAGE
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!MESSAGE INFORMIXDIR has defaulted to $(HOMEDRIVE)\informix.
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!MESSAGE
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INFORMIXDIR=$(HOMEDRIVE)\informix
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!ENDIF
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# NT-specific code goes here.
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MI_INCLUDE="$(INFORMIXDIR)"\incl
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RM= del
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RMFLAGS= /q
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CC= cl
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CSRVRFLAGS= -DNT -DMI_SERVBUILD -DGL_NT_STATIC -DNT_MI_SAPI
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COPTS= -O -DMITRACE_OFF=1
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# COPTS= -O
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CFLAGS=$(CSRVRFLAGS) -DWIN32 -I$(MI_INCLUDE)\public -I$(MI_INCLUDE) $(COPTS)
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LINK= link
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LINKFLAGS= /DLL /nologo $(LOPTS)
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LIBS= "$(INFORMIXDIR)"\lib\sapi.lib
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BINDIR= WinNT-i386
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PRODDIR= .
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# Platform independent code goes here.
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# The following code was generated by BladeSmith.
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all: $(BINDIR) RecordAudit.jar
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$(MAKE) -$(MAKEFLAGS) -f WinNT.mak server
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.c.obj:
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$(CC) $(CFLAGS) /Fo$*.obj /c $?
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# List all object files.
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OBJ1=$(BINDIR)/auditing1.obj $(BINDIR)/auditing2.obj $(BINDIR)/audit_util.obj
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OBJ2=$(BINDIR)/auditing3.obj
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OBJS_ALL=$(OBJ1) $(OBJ2)
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# Construct the object file.
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$(BINDIR)/auditing1.obj: auditing1.c
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$(CC) $(CFLAGS) /Fo$*.obj /c $?
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$(BINDIR)/auditing2.obj: auditing2.c
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$(CC) $(CFLAGS) /Fo$*.obj /c $?
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$(BINDIR)/auditing3.obj: auditing3.c
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$(CC) $(CFLAGS) /Fo$*.obj /c $?
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$(BINDIR)/audit_util.obj: audit_util.c
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$(CC) $(CFLAGS) /Fo$*.obj /c $?
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RecordAudit.class: RecordAudit.java
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javac RecordAudit.java
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RecordAudit.jar: RecordAudit.class
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jar cf RecordAudit.jar RecordAudit.class
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# Construct the DLL library.
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$(PRODDIR)\\$(PROJECT_TITLE).bld: $(OBJS_ALL)
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attrib -R $(PRODDIR)\\$(PROJECT_TITLE).bld > nul
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$(LINK) $(LINKFLAGS) /out:$(PRODDIR)\\$(PROJECT_TITLE).bld /def:$(PROJECT_TITLE).def $(OBJS_ALL) $(LIBS)
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attrib +R $(PRODDIR)\\$(PROJECT_TITLE).bld
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server: $(PRODDIR)\\$(PROJECT_TITLE).bld
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clean:
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attrib -R $(PRODDIR)\\$(PROJECT_TITLE).bld > nul
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$(RM) $(RMFLAGS) $(PRODDIR)\\$(PROJECT_TITLE).bld
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$(RM) $(RMFLAGS) $(PRODDIR)\\$(PROJECT_TITLE).exp
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$(RM) $(RMFLAGS) $(PRODDIR)\\$(PROJECT_TITLE).lib
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$(RM) $(RMFLAGS) $(BINDIR)\\*.obj
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$(BINDIR):
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-mkdir $(BINDIR)
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INSTALL:
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attrib -R "$(INFORMIXDIR)"\extend\auditing\$(PROJECT_TITLE).bld
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COPY $(PROJECT_TITLE).bld "$(INFORMIXDIR)"\extend\$(PROJECT_TITLE)
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attrib +R "$(INFORMIXDIR)"\extend\auditing\$(PROJECT_TITLE).bld
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COPY RecordAudit.jar "$(INFORMIXDIR)"\extend\auditing\RecordAudit.jar

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