summaryrefslogtreecommitdiff
path: root/rebind
blob: 2289aaa4dd3acea2c9374cb7d9b1baf5653e55f1 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
#!/usr/bin/env bash

usage() {
    echo "Usage: $(basename $0) OLD_PORT NEW_PORT COMMAND_LINE"
    echo
    echo "Launch COMMAND_LINE, but intercept system calls to bind"
    echo "to OLD_PORT and instead bind them to localhost:NEW_PORT"
    exit 2
}

# Parameter defaults
mydir=$(readlink -f $(dirname ${0}))

export REBIND_PORT_OLD="${1}"; shift
export REBIND_PORT_NEW="${1}"; shift

LD_PRELOAD=${mydir}/rebind.so "${@}"