lists.openwall.net   lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  linux-hardening  linux-cve-announce  PHC 
Open Source and information security mailing list archives
 
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [thread-next>] [day] [month] [year] [list]
Date:	Wed, 19 Jul 2006 15:03:24 +0530
From:	Chinmaya Mishra <chinmaya4@...il.com>
To:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: Gettin own IP address thorugh ioctl in kernel space.

Hi,

Can you provide an example how to invoke ioctl on
device in kernel module.

For example. I want to find out the IP address of
my eth0 and I want to make SIOCSIFADDR on it from 
kernel module.


At user space i am doing it like this.....

 unsigned long *ip;
 char *iface;
 int sockfd;
 struct ifreq ifr;
 strcpy(ifr.ifr_name, iface);	// interface name 'eth0'
 sockfd = socket(AF_INET,SOCK_DGRAM,0);
 ioctl(sockfd, SIOCGIFADDR, (char*)&ifr);
 memcpy(ip, &(ifr.ifr_addr.sa_data[2]),4); //Copy the ip addr
 close(sockfd);

How to port this in keernel space.

Thank you.
Chinmaya


-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Powered by blists - more mailing lists