I've run into a snag in a program of mine where part of what I entered in at the start of run-time, instead of the current value within printf() is being printed out.
After failing with fflush() and setbuf(), I tried the following approach
however this has not improved things (even with replacing getchar() with fgetc(stdin) ).
Hi,
Program A: uses pipe()
I am able to read the stdout of PROGAM B (stdout got through system() command) into PROGRAM A using:
* child
-> dup2(fd, STDOUT_FILENO);
-> execl("/path/PROGRAM B", "PROGRAM B", NULL);
* parent
-> char line;
-> read(fd, line, 100);
Question:... (2 Replies)
Hi everyone, first post here.
Anyone who isn't interested in the background, press pagedown :).
I sometimes need to make scripts for little things I need in the infrastructure at the company I work at. Currently I am trying to make a wrapper script for a proprietary image-deployment program.... (2 Replies)
Hi,
i know how to
a) redirect stdout and stderr to one file,
b) and write to two files concurrently with same output using tee command
Now, i want to do both the above together.
I have a script and it should write both stdout and stderr in one file and also write the same content to... (8 Replies)
Hi,
I am working on a project where I have to generate and execute nasm code on-the-fly. I generate the code in a file program.asm and then execute it.This output is to stdout which i redirect to an output file which i read back to compare results:
system("nasm -f elf program.asm >... (5 Replies)
All,
Ok...so I know I *should* be able to control a process's stdin and stdout from the parent by creating pipes and then dup'ing them in the child. And, this works with all "normal" programs that I've tried. Unfortunately, I want to intercept the stdin/out of the scp application and it seems... (9 Replies)
Hi,
i am using the below program to read from the standard input or to write to standard out put.
i know that using highlevel functions this can be done better than what i have done here.
i just want to know is there any other method by which i find the exact number of characters ( this... (3 Replies)
I want to differentiate the STDOUT and STDERR messages in my terminal .
If a script or command is printing a message in terminal I want to differentiate by colors,
Is it possible ?
Example:
$date
Wed Jul 27 12:36:50 IST 2011
$datee
bash: datee: command not found
$alias ls
alias... (2 Replies)
Well.. let's say i need to write a pretty simple script.
In my script i have 2 variables which can have value of 0 or 1.
$VERBOSE
$LOG
I need to implement these cases:
($VERBOSE = 0 && $LOG = 0) => ONLY ERROR output (STDERR to console && STDOUT to /dev/null)
($VERBOSE = 1... (5 Replies)
Discussion started by: Marmz
5 Replies
LEARN ABOUT DEBIAN
rarun2
RARUN2(1) BSD General Commands Manual RARUN2(1)NAME
rarun2 -- radare2 utility to run programs in exotic environments
SYNOPSIS
rarun2 [[script.rr2]]
DESCRIPTION
This program is used as a launcher for running programs with different environment, arguments, permissions, directories and overridden
default filedescriptors.
The program just accepts a single argument which is the filename of the configuration file to run the program.
It is useful when you have to run a program using long arguments or pass long data to stdin or things like that usually required for exploit-
ing crackmes :)
DIRECTIVES
The rr2 (rarun2) configuration file accepts the following directives, described as key=value entries and comments defined as lines starting
with '#'.
program path to program to be executed
stdout select file to replace stdout file descriptor
stdin select file to read data from stdin
input set string to be passed to the program via stdin
chdir change directory before executing the program
chroot run the program in chroot. requires some previous setup
preload preload a library (not supported on Windows, only linux,osx,bsd)
setuid set process uid
seteuid set effective process uid
setgid set process group id
setegid set effective process group id
setenv set value for given environment variable
arg[0-3] set value for argument N passed to the program
EXAMPLE
$ cat foo.rr2
#!/usr/bin/rarun2
program=./pp400
arg0=10
stdin=foo.txt
chdir=/tmp
#chroot=.
./foo.rr2
SEE ALSO radare2(1), rahash2(1), rafind2(1), rabin2(1), ranal2(1), radiff2(1), ragg2(1), rasm2(1),
AUTHORS
pancake <pancake@nopcode.org>
BSD Oct 11, 2011 BSD