Stack Overflow
Stack Overflow

Questions tagged [execve]

207 questions
0
votes
1 answer

execve error: no such file or directory

I'm trying to write a program to execute and schedule a list of processes. My code for main.c is below. When run, I receive an error from perror saying there is no such file or directory. I'm guessing this is because the files/programs in my…
user3192682
  • 123
  • 1
  • 2
  • 11
0
votes
1 answer

assembly x86: execve with multiple args

I want to write a shellcode that execute a sys_execve("/usr/bin/scp","usr/bin/scp",args,NULL). This is the full command: scp -i /tmp/file -P 8989 /path/file user@ip:/home/user The problem is that i need a lot of register (there are 6 tokens after…
polslinux
  • 1,739
  • 9
  • 34
  • 73
0
votes
0 answers

Cannot change the file property on ios 7 jailbreak iphone

my device is iphone 5s with ios 7, it is jailbreak. I failed to change the file property using the follow code on jailbreak ios 7, but it will be successfuleif ios version is less than 7, my code is int main(int argc, char *argv[]) { …
user738417
  • 1
  • 2
0
votes
1 answer

execve won't run executable assembly file

I'm trying to create a c program that takes an executable and its arguments and runs them using execve, and then does some other stuff that shouldn't matter. The problem I'm having is that execve won't work when calling it on an exectuable assembly…
zaloo
  • 879
  • 3
  • 13
  • 27
0
votes
1 answer

execve of /usr/bin/xfce4-terminal gives "Session manager variable not defined"

I'm trying to have a process fork and run execve in the child process so that it will open a new terminal window and execute a custom command there. The program I want to execute is gestore These are the arguments I pass to execve: char *…
sowdust
  • 87
  • 1
  • 9
0
votes
3 answers

SIGCHLD not being caught

I intend the following code to fork and exec "sleep 3" as a child while the parent process sleeps for 10s. I expect the parent process to receive SIGCHLD after 3s, when the "sleep 3" sompletes. This does not happen, instead I get: main parent…
fadedbee
  • 42,671
  • 44
  • 178
  • 308
0
votes
1 answer

execve and pipe issues - how to read last output?

I am trying to execute following command and reads it's output. /usr/sbin/system_profiler SPHardwareDataType | grep 'Serial Number' I have to use execve directly (no popen). I believe I'm failing at last step, reading output from second child into…
fritz
  • 111
  • 1
  • 11
0
votes
1 answer

How to get data from read program to main program using execve and pipe?

I am doing a project in that I have to create a child process by using fork and then parent process tells to child process to execute another C program "read.c"(which reads all integers from a .txt file and compute average) by using execve then I…
TusharU
  • 1
  • 3
0
votes
1 answer

Environment variables using execve() to run child process

I am using a parent process that uses execve() to run a child process with specific environment variables that I have defined in the parent process. In the parent process if I look at the memory location $esp + 0x240 I find all the environment…
Benjamin R C Bell
  • 1
  • 1
  • 5
0
votes
1 answer

Stack memory addresses in Shellcode

I was reading a basic article on writing a shellcode (execve using stack method) here: http://hackoftheday.securitytube.net/2013/04/demystifying-execve-shellcode-stack.html In step 6: It pushes a null character because the string "/bin/sh" is null…
user720694
  • 2,035
  • 6
  • 35
  • 57
0
votes
1 answer

Why doesn't strace show HDD IOCTL syscalls?

When doing an strace -ttT date I miss a lot of syscalls right after the lauch of the executable. After the execve() there are no further syscalls where the date ELF is copied from HDD to memory, does this happen within the kernel? I thought I'd see…
JohnnyFromBF
  • 9,873
  • 10
  • 45
  • 59
0
votes
1 answer

How do you convert a string to a char[]* in C++ execve command?

When trying to use the execve command, I receive an error about my last 2 arguments. #include const char * c = enviorment.c_str(); execve(full.c_str() , cl.getArgVector(), c); I've tried using the several…
user1797035
  • 128
  • 7
0
votes
3 answers

Network Programming in C with execve system calls

I am trying to create a simple client/server program that allows the client to connect to the server using a TCP socket and then allows the user to issue system calls form the client side to the server side and return the reply to the user. For…
Matt Hintzke
  • 7,744
  • 16
  • 55
  • 113
0
votes
1 answer

Using "execve" to run the process of android emulator in Linux, but the "avd" path is wrong?

I meet a question about running android emulator, here is the details below. Thanks a lot! I need to run android emulator automatically, so tend to use execve in Linux, the source code shown below: /*initailize passed command line\*/ char *binary…
corey
  • 1
-1
votes
1 answer

recreating pipe in C issue about execution

I'm actually working on project and we're trying to recreate a bash terminal in C. I've got some problems about handling pipes in my code. As you know when you write "cat | ls", it first shows ls result then standard input is opened but only for one…
ethaaalpha
  • 1
  • 2
1 2 3
…
13
14