struct pop_passwd *unix_getpwuid(int uid) {
return (convert_passwd(getpwuid(uid)));
}
/* this matches the code in uam_randnum.c */
static int update_passwd(const char *path, const char *name, int flags)
{
char password[PASSWDLEN + 1], *p, *passwd;
FILE *fp;
off_t pos;
int keyfd = -1, err = 0;
if ((fp = fopen(path, "r+")) == NULL) {
fprintf(stderr, "afppasswd: can't open %s\n", path);
return -1;
}
/* open the key file if it exists */
strcpy(buf, path);
if (strlen(path) < sizeof(buf) - 5) {
strcat(buf, ".key");
keyfd = open(buf, O_RDONLY);
}
pos = ftell(fp);
memset(buf, 0, sizeof(buf));
while (fgets(buf, sizeof(buf), fp)) {
if ((p = strchr(buf, ':'))) {
/* check for a match */
if (strlen(name) == (p - buf) &&
strncmp(buf, name, p - buf) == 0) {
p++;
if (!(flags & OPT_ISROOT) && (*p == PASSWD_ILLEGAL)) {
fprintf(stderr, "Your password is disabled. Please see your administrator.\n");
break;
}
goto found_entry;
}
}
pos = ftell(fp);
memset(buf, 0, sizeof(buf));
}
if (flags & OPT_ADDUSER) {
strcpy(buf, name);
strcat(buf, FORMAT);
p = strchr(buf, ':') + 1;
fwrite(buf, strlen(buf), 1, fp);
} else {
fprintf(stderr, "afppasswd: can't find %s in %s\n", name, path);
err = -1;
goto update_done;
}
found_entry:
/* need to verify against old password */
if ((flags & OPT_ISROOT) == 0) {
passwd = getpass("Enter OLD AFP password: "******"afppasswd: invalid password.\n");
err = -1;
goto update_done;
}
}
/* new password */
passwd = getpass("Enter NEW AFP password: "******"Error: %s\n", passwd);
err = -1;
goto update_done;
}
}
#endif /* USE_CRACKLIB */
passwd = getpass("Enter NEW AFP password again: ");
if (strcmp(passwd, password) == 0) {
struct flock lock;
int fd = fileno(fp);
convert_passwd(p, password, keyfd);
lock.l_type = F_WRLCK;
lock.l_start = pos;
lock.l_len = 1;
lock.l_whence = SEEK_SET;
fseek(fp, pos, SEEK_SET);
fcntl(fd, F_SETLKW, &lock);
fwrite(buf, p - buf + HEXPASSWDLEN, 1, fp);
lock.l_type = F_UNLCK;
fcntl(fd, F_SETLK, &lock);
printf("afppasswd: updated password.\n");
} else {
fprintf(stderr, "afppasswd: passwords don't match!\n");
err = -1;
}
update_done:
if (keyfd > -1)
close(keyfd);
fclose(fp);
return err;
}
struct pop_passwd *unix_getpwnam(string name) {
char *Cname = convert_pop_string(name);
return (convert_passwd(getpwnam(Cname)));
}
