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https://github.com/libinjection/libinjection
SQL / SQLI tokenizer parser analyzer
https://github.com/libinjection/libinjection
Last synced: 3 months ago
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SQL / SQLI tokenizer parser analyzer
- Host: GitHub
- URL: https://github.com/libinjection/libinjection
- Owner: libinjection
- License: other
- Created: 2020-08-04T23:31:12.000Z (about 4 years ago)
- Default Branch: main
- Last Pushed: 2024-06-11T10:56:32.000Z (5 months ago)
- Last Synced: 2024-06-18T22:57:01.071Z (5 months ago)
- Language: C
- Homepage:
- Size: 3.89 MB
- Stars: 138
- Watchers: 11
- Forks: 45
- Open Issues: 22
-
Metadata Files:
- Readme: README.md
- Changelog: CHANGELOG
- License: COPYING
Awesome Lists containing this project
- awesome-hacking-lists - libinjection/libinjection - SQL / SQLI tokenizer parser analyzer (C)
README
[](https://raw.githubusercontent.com/client9/libinjection/master/COPYING)
SQL / SQLI tokenizer parser analyzer. For
* C and C++
* [PHP](https://libinjection.client9.com/doc-sqli-php)
* [Python](https://libinjection.client9.com/doc-sqli-python)
* [Lua](/lua)
* [Java](https://github.com/jeonglee/Libinjection) (external port)
* [LuaJIT/FFI](https://github.com/p0pr0ck5/lua-ffi-libinjection) (external port)
See [https://www.client9.com/](https://www.client9.com/)
for details and presentations.
Simple example:
```c
#include
#include
#include
#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:
* [sqli_cli.c](/src/sqli_cli.c)
* [reader.c](/src/reader.c)
* [fptool](/src/fptool.c)
VERSION INFORMATION
===================
See [CHANGELOG](CHANGELOG.md) 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.
QUALITY AND DIAGNOSITICS
========================
The continuous integration results at GitHub tests the following:
- [x] build and unit-tests under GCC
- [x] build and unit-tests under Clang
- [x] static analysis using [clang static analyzer](http://clang-analyzer.llvm.org)
- [x] static analysis using [cppcheck](https://github.com/danmar/cppcheck)
- [x] checks for memory errors using [valgrind](http://valgrind.org/)
LICENSE
=============
Copyright (c) 2012-2016 Nick Galbreath
Licensed under the standard [BSD 3-Clause](http://opensource.org/licenses/BSD-3-Clause) open source
license. See [COPYING](/COPYING) for details.
## BUILD TARGETS
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: not found. Please note: Cppcheck does not need standard library headers to get proper results. [missingIncludeSystem]
```
EMBEDDING
=============
The [src](/src)
directory contains everything, but you only need to copy the following
into your source tree:
* [src/libinjection.h](/src/libinjection.h)
* [src/libinjection_sqli.c](/src/libinjection_sqli.c)
* [src/libinjection_sqli_data.h](/src/libinjection_sqli_data.h)
* [COPYING](/COPYING)
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.