Programming :: Store A Packet In Buffer?
May 19, 2010writing a code in C program for debugging error and sendingror messagein routingprotocols. please answer with code
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Programming :: Capture Packet From DMA Ring Buffer?
Jul 21, 2010I wanna capture network packets from DMA ring buffer, just like netfilter. i wanna capture it from DMA, because i wanna get MAC address of I/O packets, so netfilter not included MAC address of out going packets because its on IP level and Ebtables is like that too. how i can capture network packets from DMA ring buffer.
View 9 Replies View RelatedProgramming :: Eliminate Garbage From Buffer C++
Mar 4, 2010Code:
char retBuffer[100];
recv(sock , retBuffer ,sizeof(retBuffer) , 0);
if i send a string smaller then my buffer size retBuffer always have garbage of the end of it....what can i do to eliminate tis problem ?
Programming :: Check If Buffer Is Empty In C?
Apr 12, 2011Greetings EveryOne
how to check if buffer is empty in c?
Programming :: Use Buffer Of User Mode In Kernel?
Feb 5, 2009I add new syscall, and it need copy big data into the buffer specified in user mode. How can i do it? use copy_to_user? or can i use memcpy directly? If i use copy_to_use, is it low efficient?v
View 2 Replies View RelatedProgramming :: Weird Recv() Buffer Back To Front??
Sep 20, 2010I have been developing some code which I have been testing an another i386 system. However I have been getting some weird data received on a socket I am communicating with some 3rd party hardware, I have opened a socket to read data on the hardware's telnet port. The data being read is as expected and my code appears to function correctly.
However I have now began testing the code on a target platform, this platform is of a better spec than my development system. When I read data from the socket using recv(), all the expected data has not been read.A chunk of data from the beginning is missing and a portion of data that would be at the end is now at the beginning of the buffer. I'll try and illustrate this below.
[Code]...
Programming :: Build Ip Packet With C,socket Programming?
Jan 30, 2011How can we build a packet using C?we have a structure called sockaddr_in which is use to for IPv4,so that we can define address,port and etc in this way:
Code:
struct sockaddr_in sock;
sock.sin_family=AF_INET;
[code]...
Programming :: Processor Priority Level For Algorithm For Buffer Allocation
Jan 9, 2010The algorithm for reading and writing disk blocks use the algorithm getblk to allocate buffers from the pool. In the algorithm getblk, if the kernel removes a buffer from the free list, it must raise the processor priority level to block out interrupts before checking the free list. Why ?Where can i find the C implementation of the above algorithm for buffer allocation in the linux source code ?
View 1 Replies View RelatedGeneral :: Where Does ITunes Store Its Stuff - Copy Its Data Store To An External Drive
Dec 8, 2009I have two students whose windows laptops are riddled with malware and not working properly. They want me to help them install Linux (which we use in school), but they are concerned about their iTunes.
Having avoided iPods as "defective by design", I know nothing about iTunes whatsoever. However I remember reading about DRM locking and such problems that have me concerned that I won't be able to do it.
Where does iTunes store its stuff?
Can I copy its data store to an external drive, and then into a linux home?
Then will it work on wine, or can another manager (rhythmbox etc) access the itunes data?
Alternatively, if I partition the drive and install linux, can rythmbox/wine/something access itunes data on the win partition?
Supposing they are buying music through iTunes, what will happen to that account?
Finally, one of them has an iphone. Does that work with linux?
Ironic that an apple application is blocking migration away from windows.
Programming :: Create Large Buffer In Program To Send And Eceive On Another Pc More Than 4096 Bytes
Feb 9, 2011create a large buffer in my program so that I can send, and then receive on another pc, more than 4096 bytes (this seems to be the default for the serial port). I thought this might work:
[code]...
Programming :: Create Own Packet In NS2?
Apr 14, 2011I want to create my own packet for aodv so how can i do? from where i should start?
View 2 Replies View RelatedProgramming :: How To Tunnel Packet
Apr 19, 2011I want to develop program to put (tunnel) sniffed packets into another packet, i already have sniffer code to capture packet, can some one give me use full site or simple code to do that.
View 3 Replies View RelatedUbuntu Networking :: Send The Keys Or Value As The Packet Data (content Of The Packet) In Ns-2 (for Wireless Environment)
Jul 12, 2010I am the new user to ns-2. I would like to know is it possible to send the keys or some value as the packet data (content of the packet) in ns-2 (for wireless environment).
View 1 Replies View RelatedCentOS 5 Server :: Authenticate/Decrypt Packet Error: Packet HMAC Authentication Failed
Sep 17, 2009I got a problem with my CentOS server. Somebody told me OpenVPN Requires different changes inside my firewall settings. That could be the problem why openvpn wont load..I receive this error on my CentOS panel when im trying to connect into the centos openvpn (with my winxp pc):
Thu Sep 17 20:31:36 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
Thu Sep 17 20:31:38 2009 Authenticate/Decrypt packet error: packet HMAC authentication failed
Thu Sep 17 20:31:38 2009 TLS Error: incoming packet authentication failed from 84.xx.62.122:2622
[code]....
Programming :: Store The Results In An Array?
Apr 13, 2010i have a loop which produces new value everytime it runs. i want to store the results in an array. how can i do dat??
loop is like:
a=0
declare v
while ((....))
do
v[$a]="$r"
let a=a+1
done
while doing this it is not treating v as array but as variable and it is overriding the value and old value is lost..i am using bash shell version 3.00.15
Programming :: Store A Command In A Variable?
Jan 28, 2010Code:
ls Again the command can be stored in a variable and then executed. Like
Code:
var=ls
&var
The above two codes are the same. The problem occurs when we try to pipeline it. Consider the following problem:
Code:
ls | grep *
works fine...but when we try to store it in a variable and run the command there is an error.
Code:
var="ls|grep *"
$var
how to store this kind of commands in a variable?
Programming :: Store H.264 File On Avi Container?
Mar 4, 2010i m trying to store h.264 in avi container using ffmpeg....is it possible using ffmpeg.i m using v4l to capture a image and compressed in to h.264, how i can store it in avi container,any programming example,header format for avi container,and what other information required to store in a container.
View 14 Replies View RelatedProgramming :: How To Access Packet Timestamp
Jan 8, 2011I want to access the timestamp field of the packet being sent or received. I am not getting clear idea as to which ioctl I should use, and how it should be used in the program. Anyone explain rough flow of the program for accessing the timestamp.
View 5 Replies View RelatedProgramming :: Perl Disassembling DNS Packet?
May 11, 2010I'm a newbie trying to modify a DNS-formatted UDP packet. I am piping DNS replies through a firewall queue where I get the packet with $udp_obj->data provided by NetPacket::UDP. Is there a command line application that will break down the udp packet for me so I can extract an answer? Cpan doesn't have a module to do this. One can *create* udp packets programmatically or get them off of libpcap, but I don't need either.
View 7 Replies View RelatedProgramming :: Save A Packet In The Memory
Feb 7, 2011i'm sniffing network packets with pcap in ubuntu, i need to save these packets somewhere in the memory and after a while read ans send them. how can i do this?
View 1 Replies View RelatedProgramming :: Send A Packet Through Sockets C++
Feb 1, 2011Can someone help me with this problem,trying to send a packet,using tcp/ip,the packet should look like this:
Code:
field 1: SOCKS protocol version, 1 byte (0x05 for this version)
field 2: status, 1 byte:
0x00 = request granted
0x01 = general failure
0x02 = connection not allowed by ruleset
0x03 = network unreachable
0x04 = host unreachable
0x05 = connection refused by destination host
0x06 = TTL expired
0x07 = command not supported / protocol error
0x08 = address type not supported
field 3: reserved, must be 0x00
field 4: address type, 1 byte:
0x01 = IPv4 address
0x03 = Domain name
0x04 = IPv6 address
field 5: destination address of
4 bytes for IPv4 address
1 byte of name length followed by the name for Domain name
16 bytes for IPv6 address
field 6: network byte order port number, 2 bytes
and this is my code:
Code:
int domainLen = strlen(domain);
char reply[domainLen + 7];
reply[0] = 5; // version
reply[1] = 0; // succed
reply[2] = 0; // reserved
reply[3] = 3; // its a domain
reply[4] = domainLen;; // lenght of domain
for(int j = 0; j < domainLen; ++j)
{
reply[j + 5] = domain[j];
}
reply[5 + domainLen] = 80; // port
reply[20] = '�';
Send(reply, sizeof(reply));
domain is "www.google.com". Am I doing it right ? I dont know much about bits.
Programming :: Store The Data In Program In A Map Of Priority_queues?
Jul 30, 2011I am trying to store the data in my program in a map of priority_queues an I am having a bit of trouble doing it. basically I am storing activities (ie watching tv, eating dinner, playing ping-pong, etc) and I want these event grouped by the day that they happened on.
my first thought was to use a multimap where the key is the date, and the value is the activity, however I would like to keep the activities in a specific order. I have tried to find the proper syntax for this but have frustratingly come up empty. Even google provided little assistance.
Programming :: Cannot Capture - No At End Of File Store It And Print It Using Sed And Awk
Nov 25, 2008How to write a shell script the would search for a phone no using at the end text file using sed or awk and store it in a varaible or print it.
The text file is in this form
The first line may take any form but the last line will always be Firstname Lastname:KEN:+254456789
I would like to seach for the Phone and store it in a variable and print it.
The phone no will alway be preceeded by ":+"
Programming :: Store Pictures In A MySQL Database In PHP
Apr 29, 2010How do I do this? I wish to store the pictures via a "Browse" button on the webpage, and later display them on a particular page on the site.
View 2 Replies View RelatedProgramming :: Store Output Of Command With Pipes?
Jan 20, 2011I need to find one RUNNING word in latest created logs.
and as soon as i will get RUNNING WORD , i have to execute another Unix Command.
I wrote following script code...
Programming :: How To Store Video Files In NAS Server
Apr 13, 2009I am working in DM355 board. CPU is armv5t. I am asked to record the video thats coming from camera using rtsp. I can record the video file in avi format on /opt directory on dm355 target board. Now I have to store this avi file in nas server. My nas server ip is 192.168.1.250. Linux pc,DM355 target board and NAS server on same network. How to write the program to store avi files from DM355 to NAS server.
View 2 Replies View RelatedProgramming :: Store 2 , 4 Tree In A Single Array?
Oct 30, 2010I am working on an structure program and i have to represent a 2,4 tree in a class in Java using single int array and make the insert and delete functions .
View 1 Replies View RelatedProgramming :: Store Data Before The System Hibernates?
Mar 24, 2011I have a requirment where I have to store some data before the system goes to hibernate.
How the kernel intimates to the application when it goes to hibernate. Is there any event or a signal that kernel posts to all applications?
Programming :: Unable To Pull And Store Certificates?
Dec 21, 2009I have to pull certificate from multiple computers which are on network and store it in a single fie or each file belong to a particular computer.I am using certutil -store to import the certificate.
View 4 Replies View RelatedProgramming :: Read And Store Key In A Perl Script?
Sep 22, 2010I have a webpage (jps) that produce a key. How i read and store this key in a perl script.
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