Changes the password of a user.
#include <ascauth.h>
int ASC_CHGPASSWD(ASCENV *asce, char *user, char *oldpass, char *newpass);
Returns one of the following integer values defined in ascauth.h:
#include <stdio.h>
#include <stdlib.h>
#include <ascauth.h>
main(int argc, char *argv[])
{
ASCENV *asce;
ASCUSER ascu;
char *user, *oldpass, *newpass;
int rc;
if (argc != 4) {
fprintf(stderr, "usage: %s <user> <oldpass> <newpass>\n",
argv[0]);
exit(EXIT_FAILURE);
}
user = argv[1];
oldpass = argv[2];
newpass = argv[3];
/* initialize the authentication environment */
asce = ASC_INIT(NULL);
if (asce == NULL) {
fprintf(stderr, "Error: cannot initialize authentication environment\n");
exit(EXIT_FAILURE);
}
/* change the user's password */
rc = ASC_CHGPASSWD(asce, user, oldpass, newpass);
if (rc == AS_OK)
printf("password has been changed\n");
else if (rc == AS_NO)
printf("password has not been changed\n");
else
printf("RC=%d, %s", rc, ASC_STRERROR(rc));
/* now terminate the authentication environment */ ASC_TERM(asce); return 0; }