How To Install openosc on Fedora 34

openosc is Open Object Size Check Library Open Object Size Check Library

Introduction

In this tutorial we learn how to install openosc on Fedora 34.

What is `openosc`

OpenOSC is an open-source object size check library written in C. It has been developed in order to promote the use of compiler builtin object size check capability for enhanced security. It provides robust support for detecting buffer overflows in various functions that perform operations on memory and strings. Not all types of buffer overflows can be detected with this library, but it does provide an extra level of validation for some functions that are potentially a source of buffer overflow flaws. It protects both C and C++ code. openosc 1.0.2 3.fc34 x86_64 20 k openosc-1.0.2-3.fc34.src.rpm fedora Open Object Size Check Library https ASL 2.0 OpenOSC is an open-source object size check library written in C. It has been developed in order to promote the use of compiler builtin object size check capability for enhanced security. It provides robust support for detecting buffer overflows in various functions that perform operations on memory and strings. Not all types of buffer overflows can be detected with this library, but it does provide an extra level of validation for some functions that are potentially a source of buffer overflow flaws. It protects both C and C++ code.

We can use yum or dnf to install openosc on Fedora 34. In this tutorial we discuss both methods but you only need to choose one of method to install openosc.

Install openosc on Fedora 34 Using dnf

Update yum database with dnf using the following command.

sudo dnf makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install openosc using dnf by running the following command:

sudo dnf -y install openosc

Install openosc on Fedora 34 Using yum

Update yum database with yum using the following command.

sudo yum makecache --refresh

The output should look something like this:

Fedora 34 - x86_64                               20 kB/s | 6.6 kB     00:00
Fedora 34 openh264 (From Cisco) - x86_64        1.4 kB/s | 989  B     00:00
Fedora Modular 34 - x86_64                       68 kB/s | 6.5 kB     00:00
Fedora 34 - x86_64 - Updates                    3.5 kB/s | 6.2 kB     00:01
Fedora Modular 34 - x86_64 - Updates             17 kB/s | 5.9 kB     00:00
Metadata cache created.

After updating yum database, We can install openosc using yum by running the following command:

sudo yum -y install openosc

How To Uninstall openosc on Fedora 34

To uninstall only the openosc package we can use the following command:

sudo dnf remove openosc

openosc Package Contents on Fedora 34

/usr/lib/.build-id
/usr/lib/.build-id/3b
/usr/lib/.build-id/3b/1a5dc1d14d433ee9f070a1cf0f872736c77f2c
/usr/lib/libopenosc.so.0
/usr/lib/libopenosc.so.0.0.0
/usr/lib/.build-id
/usr/lib/.build-id/78
/usr/lib/.build-id/78/1e5e014434bfada11e6654c930b0b081d92c57
/usr/lib64/libopenosc.so.0
/usr/lib64/libopenosc.so.0.0.0

References

[openosc website](https://github.com/cisco/openosc https://github.com/cisco/openosc)

Summary

In this tutorial we learn how to install openosc on Fedora 34 using yum and dnf.