cap-fake.sh

#!/bin/bash
#
#  build cap_fake if it doesn't exist
#

if [ -z "$CIRCLECI" ]; then
  echo "Nothing to do for cap fake unless we are are on Circle"
  exit 1
fi

if [ -f ~/bin/set_cap_file.so ] ; then
  echo "Cap fake lib already installed"
  exit 1
fi

# wheee!
cap_code=<<EOF
#include <stdio.h>
#include <sys/capability.h>

int cap_set_file(const char *path_p, cap_t cap_p) {
  printf("*** Intercepting cap_set_file() call and returning SUCCESS ***\n");
  return 0;
}
EOF


echo $cap_code | gcc -Wall -fPIC -shared -o ~/bin/set_cap_file.so -xc -