SQL / SQLI tokenizer parser analyzer. For
- C and C++
- PHP
- Python
- Lua
- Java (external port)
- LuaJIT/FFI (external port)
See https://www.client9.com/ for details and presentations.
Simple example:
#include <stdio.h>
#include <strings.h>
#include <errno.h>
#include "libinjection.h"
#include "libinjection_sqli.h"
int main(int argc, const char* argv[])
{
struct libinjection_sqli_state state;
int issqli;
const char* input = argv[1];
size_t slen = strlen(input);
/* in real-world, you would url-decode the input, etc */
libinjection_sqli_init(&state, input, slen, FLAG_NONE);
issqli = libinjection_is_sqli(&state);
if (issqli) {
fprintf(stderr, "sqli detected with fingerprint of '%s'\n", state.fingerprint);
}
return issqli;
}$ gcc -Wall -Wextra examples.c libinjection_sqli.c
$ ./a.out "-1' and 1=1 union/* foo */select load_file('/etc/passwd')--"
sqli detected with fingerprint of 's&1UE'
More advanced samples:
See CHANGELOG for details.
Versions are listed as "major.minor.point"
Major are significant changes to the API and/or fingerprint format. Applications will need recompiling and/or refactoring.
Minor are C code changes. These may include
- logical change to detect or suppress
- optimization changes
- code refactoring
Point releases are purely data changes. These may be safely applied.
The continuous integration results at GitHub tests the following:
- build and unit-tests under GCC
- build and unit-tests under Clang
- static analysis using clang static analyzer
- static analysis using cppcheck
- checks for memory errors using valgrind
Copyright (c) 2012-2016 Nick Galbreath
Licensed under the standard BSD 3-Clause open source license. See COPYING for details.
Some of the previous help runners have been merged into the Makefile. E.g.:
- run-clang-asan.sh ->
make clan-asan - make-ci.sh ->
make ci
If you run make cppcheck you will see this warning printed:
nofile:0 information missingIncludeSystem Cppcheck cannot find all the include files (use --check-config for details)
You can safely ignore it as it is just saying that standard include files are being ignored (which is the recommended option):
example1.c:1:0: information: Include file: <stdio.h> not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]
The src directory contains everything, but you only need to copy the following into your source tree:
Usually the new autoconf build system takes care of the LIBINJECTION_VERSION definition.
But that might now be available when you are embedding the above files.
This is solved by manually defining the version you are embedding to your CFLAGS.
E.g.: CFLAGS="-DLIBINJECTION_VERSION=\"3.9.2.65-dfe6-dirty\""
An easy way to get the version tag is to execute git describe in this directory.
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