The mac address or the hardware address or the ethernet address of an interface is a 48 bit number that looks like this: c:c0:fee The mac address of an interface can be found given its name. The function to use is ioctl. In my previous articles about how to spoof a Mac address, I showed you how to manually change or spoof your Mac address, or physical address, by making registry changes. To bypass this process, I have written a C program which will retrieve the list of all network adapters, along with serial and parallel.
It would be great if someone can paste the code. It's no wonder you can't get the ip address. I figured this out running strace on the binary. It overwrites the socket descriptor. The fix? Add another int variable and use that in the for loop. Your code should work properly. My biggest problem is definitely having no concise reference of the tools available with Linux strace?
Yeah, I know what you mean.
Most of the things I know on Linux I've found by accident or brute force :- strace is a wonderful debugging utility because it will show you the system calls and signals of a running program. That's how I originally found out about ioctl and all it's data. Try it on other binaries..
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I know you can fake the MAC-address on linux with ifconfig. So is there a way to get the real MAC-address in C although the user might have changed the MAC address with ifconfig or any other tool? Thanks for any help on this Thread Tools. BB code is On. Smilies are On. All times are GMT The time now is PM.
MAC Address and other network adapter info - Source Codes - opacorylav.ml - Forums
Open Source Consulting Domain Registration. Search Blogs. This book contains many real life examples derived from the author's experience as a Linux system and network administrator, trainer and consultant. They hope these examples will help you to get a better understanding of the Linux system and that you feel encouraged to try out things on your own. Click Here to receive this Complete Guide absolutely free. I'm trying to develop program that can get MAC Address by using c language, anyone can guide me or give example of code Thank you!!!
Find a Network Interface Mac Address Programatically on Linux
It certainly wouldn't be very portable or make nice code, but it would be fairly easy to implement. Last edited by Gethyn; at PM. Reason: typo.
Find More Posts by Gethyn. What if there are - say - two ethernet cards in the machine? Would that be a problem to you?
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Or maybe you can be sure that there will only ever be one. Originally Posted by salasi. I have another problem that i also write code for get the IP Address and the result is Could anyone help how to get eth0 instead of lo. Originally Posted by analyze. Thread Tools. BB code is On. Smilies are On.