Heth at 04:24, 18 July 2024

2024-07-18T04:24:39Z

Heth: /* c */

2024-03-23T09:45:32Z

‎c

Heth: Created page with "=c= #include #include #include /* for strncpy */ #include #include #include #incl..."

2024-03-23T09:45:04Z

Created page with "=c= <source lang=cli> #include <stdio.h> #include <unistd.h> #include <string.h> ‎for strncpy: #include <sys/types.h> #include <sys/socket.h> #include <sys/ioctl.h> #incl..."

New page

=c=
<source lang=cli>
#include <stdio.h>
#include <unistd.h>
#include <string.h> /* for strncpy */

#include <sys/types.h>
#include <sys/socket.h>
#include <sys/ioctl.h>
#include <netinet/in.h>
#include <net/if.h>
#include <arpa/inet.h>
#include <getopt.h>

int main(int argc, char *argv[]) {
int fd;
struct ifreq ifr;

if (argc != 2) {
fprintf(stderr,"Usage: %s interface\n",argv[0]);
return(1);
}

fd = socket(AF_INET, SOCK_DGRAM, 0);

/* I want to get an IPv4 IP address */
ifr.ifr_addr.sa_family = AF_INET;

/* I want IP address attached to interfacename in argv[1] */
strncpy(ifr.ifr_name, argv[1], IFNAMSIZ-1);

ioctl(fd, SIOCGIFADDR, &ifr);

close(fd);

/* display result */
printf("%s\n", inet_ntoa(((struct sockaddr_in *)&ifr.ifr_addr)->sin_addr));

return 0;
}
</source>
=Python=
<source lang=python>
import netifaces

interface='eth0'
ipv4=2 # netifaces index for ipv4

def get_ipv4(iface):
interface_list = netifaces.interfaces()

for i in interface_list:
if iface == i:
addresses=netifaces.ifaddresses(iface)
if ipv4 in addresses:
return(addresses[ipv4][0]['addr'])
else:
return("No IPv4 address")
</source>
[[Category:C]][[Category:Python]]

← Older revision		Revision as of 04:24, 18 July 2024
Line 1:		Line 1:
		+	=bash=
		+	<source lang=bash>
		+	hostname -I
		+	</source>
	=c=		=c=
	<source lang=c>		<source lang=c>

@@ Line 1: / Line 1: @@
 =c=
-<source lang=cli>
+<source lang=c>
 #include <stdio.h>
 #include <unistd.h>
@@ Line 40: / Line 40: @@
+}
 </source>
 =Python=
 <source lang=python>

Ip address get - Revision history

Heth at 04:24, 18 July 2024

Heth: /* c */

Heth: Created page with "=c= #include #include #include /* for strncpy */ #include #include #include #incl..."