elfexec

Utility to execute ELF binary directly from stdin pipe. It is useful to run binary via SSH without copy or install it on remote systems.

Examples

Run binary via ssh:

$ cat build-1234 | ssh user@host 'elfexec --test=integration --env=production'

Decode base64 encoded binary and run it directly:

$ echo 'IyEvYmluL3NoCmVjaG8gIkhlbGxvISIK' | base64 -d | elfexec

Compile source code and run it without temporary files:

$ echo '
#include <unistd.h>

int main(int argc, char* argv[])
{
    write(STDOUT_FILENO, "Hello!\n", 7);
    return 0;
}
' | cc -xc - -o /dev/stdout | elfexec

Download / Install

Require Linux 3.17 or higher:

• Precompiled static binaries built with system libc (glibc) and musl libc for x64 and i386
• From source code:

$ git clone https://github.com/abbat/elfexec.git
$ make && sudo make install

To compile with own flags use USER_CFLAGS and USER_LDFLAGS variables. For example for i386 static binary with musl libc:

$ CC=musl-gcc32 USER_CFLAGS=-m32 USER_LDFLAGS='-m32 -static -Wl,-melf_i386' make

Usage

elfexec [options]

Where options is executed binary options.

Exit code

Executed binary exit code or 1 if self failed.

How to help

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