Date: Tue, 24 Oct 2000 09:25:47 -0700 From: Doug Barton <DougB@gorean.org> To: "Brandon D. Valentine" <bandix@looksharp.net> Cc: Salvo Bartolotta <bartequi@inwind.it>, Chris Byrnes <chris@awww.jeah.net>, freebsd-questions@FreeBSD.ORG, Warner Losh <imp@village.org> Subject: Re: Removing user with "-" in username Message-ID: <39F5B80B.6FD8E3C7@gorean.org> References: <Pine.BSF.4.21.0010231703340.65525-100000@turtle.looksharp.net>
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"Brandon D. Valentine" wrote:
>
> On Mon, 23 Oct 2000, Salvo Bartolotta wrote:
>
> >Dear Brandon Valentine and Chris Byrnes,
> >
> >The following letter from Warner Losh is from my personal (local)
> >archives, reposted for your convenience.
...
> Thank you, now if someone would commit that and then merge it back all
> would be well.
I sent the attached more complete fix as a response to warner's, but
never heard back (presumably due to 'con preparations). Without
objection I will probably commit this to -current once my account on
freefall gets setup.
Doug
--
"The dead cannot be seduced."
- Kai, "Lexx"
Do YOU Yahoo!?
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Index: rmuser.perl
===================================================================
RCS file: /usr/ncvs/src/usr.sbin/adduser/rmuser.perl,v
retrieving revision 1.10
diff -u -r1.10 rmuser.perl
--- rmuser.perl 2000/03/14 14:27:34 1.10
+++ rmuser.perl 2000/10/10 00:38:03
@@ -107,8 +107,6 @@
if ($#ARGV == 0) {
# Username was given as a parameter
$login_name = pop(@ARGV);
- die "Sorry, login name must contain alphanumeric characters only.\n"
- if ($login_name !~ /^[a-zA-Z0-9_]\w*$/);
} else {
if ($affirm) {
print STDERR "${whoami}: Error: -y option given without username!\n";
@@ -119,15 +117,13 @@
$login_name = &get_login_name;
}
-if (($pw_ent = &check_login_name($login_name)) eq '0') {
+if (not ($name, $password, $uid, $gid, $change, $class, $gecos, $home_dir,
+ $shell) = (getpwnam("$login_name"))) {
print STDERR "${whoami}: Error: User ${login_name} not in password database\n";
&unlockpw;
exit 1;
}
-($name, $password, $uid, $gid, $class, $change, $expire, $gecos, $home_dir,
- $shell) = split(/:/, $pw_ent);
-
if ($uid == 0) {
print "${whoami}: Error: I'd rather not remove a user with a uid of 0.\n";
&unlockpw;
@@ -135,7 +131,7 @@
}
if (! $affirm) {
- print "Matching password entry:\n\n$pw_ent\n\n";
+ print "Matching password entry:\n\n$name\:$password\:$uid\:$gid\:$class\:$change\:0\:$gecos\:$home_dir\:$shell\n\n";
$ans = &get_yn("Is this the entry you wish to remove? ");
@@ -275,11 +271,9 @@
for ($done = 0; ! $done; ) {
print "Enter login name for user to remove: ";
$login_name = <>;
- chop $login_name;
- if (!($login_name =~ /^[a-z0-9_][a-z0-9_\-]*$/)) {
- print STDERR "Sorry, login name must contain alphanumeric characters only.\n";
- } elsif (length($login_name) > 16 || length($login_name) == 0) {
- print STDERR "Sorry, login name must be 16 characters or less.\n";
+ chomp $login_name;
+ if (not getpwnam("$login_name")) {
+ print STDERR "Sorry, login name not in password database.\n";
} else {
$done = 1;
}
@@ -289,29 +283,6 @@
return($login_name);
}
-sub check_login_name {
- #
- # Check to see whether login name is in password file
- local($login_name) = @_;
- local($Mname, $Mpassword, $Muid, $Mgid, $Mclass, $Mchange, $Mexpire,
- $Mgecos, $Mhome_dir, $Mshell);
- local($i);
-
- seek(MASTER_PW, 0, 0);
- while ($i = <MASTER_PW>) {
- chop $i;
- ($Mname, $Mpassword, $Muid, $Mgid, $Mclass, $Mchange, $Mexpire,
- $Mgecos, $Mhome_dir, $Mshell) = split(/:/, $i);
- if ($Mname eq $login_name) {
- seek(MASTER_PW, 0, 0);
- return($i); # User is in password database
- }
- }
- seek(MASTER_PW, 0, 0);
-
- return '0'; # User wasn't found
-}
-
sub get_yn {
#
# Get a yes or no answer; return 'Y' or 'N'
@@ -334,7 +305,7 @@
}
sub update_passwd_file {
- local($skipped, $i);
+ local($skipped);
print STDERR "Updating password file,";
seek(MASTER_PW, 0, 0);
@@ -343,12 +314,9 @@
chmod(0600, $new_passwd_file) ||
print STDERR "\n${whoami}: Warning: couldn't set mode of $new_passwd_file to 0600 ($!)\n\tcontinuing, but please check mode of /etc/master.passwd!\n";
$skipped = 0;
- while ($i = <MASTER_PW>) {
- if ($i =~ /\n$/) {
- chop $i;
- }
- if ($i ne $pw_ent) {
- print NEW_PW "$i\n";
+ while (<MASTER_PW>) {
+ if (not /^$login_name\:/io) {
+ print NEW_PW;
} else {
print STDERR "Dropped entry for $login_name\n" if $debug;
$skipped = 1;
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