source code of /small-scripts/setuidwrap

Last modified	2016-12-08
Lines	33

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```
#!/bin/sh
```
```
if [ $# -ne 5 ]; then
```

    echo "Usage: setuidwrap <wrapper> <wrappee> <user> <group> <mode>" \

```
        > /dev/stderr
```
```
    exit 1
```
```
fi
```
```
wrapper=$1
```
```
wrappee=$2
```
```
user=$3
```
```
group=$4
```
```
mode=$5
```
```
gcc -o ${wrapper} -x c - << _EOF_
```
```
#include <unistd.h>
```
```
#include <stdio.h>
```
```
int main(int argc, char *argv[])
```
```
{
```
```
    gid_t gid; uid_t uid;
```
```
    gid = getegid();
```
```
    uid = geteuid();
```

    setresuid(uid, uid, uid); setfsuid(uid);

    setresgid(gid, gid, gid); setfsgid(gid);

    /* ¡You shall not pass, u 3117e f001! */

```
    execv("${wrappee}", argv);
```
```
}
```
```
_EOF_
```
```
sudo chown ${user}:${group} ${wrapper}
```
```
sudo chmod ${mode} ${wrapper}
```