Thread: I need help with C!

Originally Posted by sudo

Okay, so in AIX, there are various subroutines that is built in to the OS. The subroutine is I want to use is passwdpolicy(). So I want to construct a C program that will be able to pass credentials into the program and thusly into the subroutine.

Here is the subroutine:

#include <pwdpolicy.h>
int passwdpolicy (const char *name, int type, const char *old_password,
const char *new_password, time64_t last_update);


Now. Let's say I want to test the password for the user testy, with an old password of a1s2d3f4 and a new password of q1w2e3r4.

Here is the link to the subroutine, via IBM: http://publib.boulder.ibm.com/infoce...sswdpolicy.htm

I don't know much about C, so everytime I try to compile this, I get syntax errors because I have no idea how to define it, call it, etc.

Anyone know C can help me?

I'm not familiar with the function but based on the description it looks like if you just define an int like:

int x = passwdpolicy ("testy", PWP_USERNAME, "oldpass", "newpass", 0);

It'll return if it's a valid password based on that user's policy (0 is the ideal return value). But I mean I really have no idea I've never dealt with this in C

Originally Posted by jared

I'm not familiar with the function but based on the description it looks like if you just define an int like:

int x = passwdpolicy ("testy", PWP_USERNAME, "oldpass", "newpass", 0);

It'll return if it's a valid password based on that user's policy (0 is the ideal return value). But I mean I really have no idea I've never dealt with this in C

Do I need to echo the variable then?

Like

printf("The return value is", x);

??

Originally Posted by Supersonic

for what exactly are you trying to do this?

I'm building a script to have non-users have limited sudo access to a script to change their passwords across 400+ servers. I'm writing a script that checks for password strength.