shadow/libmisc/pam_pass.c

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#include <config.h>
#ifdef USE_PAM
#include "rcsid.h"
RCSID ("$Id: pam_pass.c,v 1.10 2005/03/31 05:14:50 kloczek Exp $")
/*
* Change the user's password using PAM. Requires libpam and libpam_misc
* (for misc_conv). Note: libpam_misc is probably Linux-PAM specific,
* so you may have to port it if you want to use this code on non-Linux
* systems with PAM (such as Solaris 2.6). --marekm
*/
#include <stdio.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include "defines.h"
#include "pam_defs.h"
static const struct pam_conv conv = {
misc_conv,
NULL
};
void do_pam_passwd (const char *user, int silent, int change_expired)
{
pam_handle_t *pamh = NULL;
int flags = 0, ret;
if (silent)
flags |= PAM_SILENT;
if (change_expired)
flags |= PAM_CHANGE_EXPIRED_AUTHTOK;
ret = pam_start ("passwd", user, &conv, &pamh);
if (ret != PAM_SUCCESS) {
fprintf (stderr,
_("passwd: pam_start() failed, error %d\n"), ret);
exit (10); /* XXX */
}
ret = pam_chauthtok (pamh, flags);
if (ret != PAM_SUCCESS) {
fprintf (stderr, _("passwd: %s\n"), pam_strerror (pamh, ret));
pam_end (pamh, ret);
exit (10); /* XXX */
}
fputs (_("passwd: password updated successfully\n"), stderr);
pam_end (pamh, PAM_SUCCESS);
}
#else /* !USE_PAM */
extern int errno; /* warning: ANSI C forbids an empty source file */
#endif /* !USE_PAM */