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Fix passwd semantics

This commit is contained in:
sin 2014-06-09 12:46:40 +01:00
parent 834279b4a9
commit 1b6fab85d6
1 changed files with 17 additions and 16 deletions
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33
passwd.c
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@ -45,25 +45,26 @@ main(int argc, char *argv[])
else if (!pw)
eprintf("who are you?\n");
uid = getuid();
if (uid == 0)
goto newpass;
switch (pw->pw_passwd[0]) {
case '!':
case '*':
eprintf("denied\n");
}
if (pw->pw_passwd[0] == '\0') {
/* Default to SHA-512 for empty passwords */
pw->pw_passwd = "$6$";
goto newpass;
}
if (pw->pw_passwd[0] == 'x' && pw->pw_passwd[1] == '\0')
eprintf("no shadow support\n");
uid = getuid();
if (uid == 0) {
if (pw->pw_passwd[0] == '!' ||
pw->pw_passwd[0] == '*' ||
pw->pw_passwd[0] == '\0')
pw->pw_passwd = "$6$";
goto newpass;
} else {
if (pw->pw_passwd[0] == '!' ||
pw->pw_passwd[0] == '*')
eprintf("denied\n");
if (pw->pw_passwd[0] == '\0') {
pw->pw_passwd = "$6$";
goto newpass;
}
}
/* Flush pending input */
ioctl(STDIN_FILENO, TCFLSH, (void *)0);