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Add unobtrusive way to test if user is privileged; separate RPC

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This commit is contained in:
Ilia 2022-05-25 14:42:07 +03:00
parent 9477ea298d
commit 26fa48623c
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GPG Key ID: 121E166DD9C821AB
4 changed files with 54 additions and 11 deletions
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2
WebminCore.pm
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File diff suppressed because one or more lines are too long

2
fastrpc.cgi
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@ -13,7 +13,7 @@ $force_lang = $default_lang;
print "Content-type: text/plain\n\n";
# Can this user make remote calls?
if (!&webmin_user_is_admin()) {
if (!&webmin_user_can_rpc()) {
print "0 Invalid user for RPC\n";
exit;
}

2
rpc.cgi
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@ -27,7 +27,7 @@ $| = 1;
print "Content-type: text/plain\n\n";
# Can this user make remote calls?
if (!&webmin_user_is_admin()) {
if (!&webmin_user_can_rpc()) {
print &serialise_variable( { 'status' => 0 } );
exit;
}

59
web-lib-funcs.pl
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@ -12118,18 +12118,61 @@ my ($variable, $scope) = @_;
return &globals('delete', $variable, $scope);
}
# webmin_user_is_admin([username])
# Returns 1 if the given user should be considered fully trusted
sub webmin_user_is_admin
# webmin_user_can_rpc()
# Returns 1 if the given user can make remote calls
sub webmin_user_can_rpc
{
my ($user) = @_;
$user ||= $base_remote_user;
my %access = &get_module_acl($user, "");
my %access = &get_module_acl($base_remote_user, "");
return 1 if ($access{'rpc'} == 1); # Can make arbitary RPC calls
return 0 if ($access{'rpc'} == 0); # Cannot make RPCs
}
# Assume that standard admin usernames are root-capable as a fallback
return $user eq 'admin' || $user eq 'root' || $user eq 'sysadm';
# webmin_user_login_mode()
# Returns currently logged in user mode
sub webmin_user_login_mode
{
# Default mode
my $mode = 'root';
my $prod = &get_product_name();
# Check for foreign modules
my $foreign_virtual_server
= &foreign_available("virtual-server");
&foreign_require("virtual-server")
if ($foreign_virtual_server);
my $foreign_server_manager
= &foreign_available("server-manager");
&foreign_require("server-manager")
if ($foreign_server_manager);
# Get current user and base user global permissions
my %uaccess = &get_module_acl($remote_user, "");
my %access = &get_module_acl($base_remote_user, "");
# Check if mode must be restricted
if ($uaccess{'_safe'} == 1 || $access{'_safe'} == 1 ||
$uaccess{'rpc'} == 0 || $access{'rpc'} == 0 ||
$prod ne "webmin") {
$mode = 'user';
}
if ($foreign_server_manager) {
$mode = 'cloud-owner'
if ($server_manager::access{'owner'});
}
elsif ($foreign_virtual_server) {
$mode =
&virtual_server::reseller_admin() ?
'virtual-reseller' : 'virtual-owner'
if (!&virtual_server::master_admin());
}
return $mode;
}
# webmin_user_is_admin()
# Returns 1 if currently logged in user is an admin
sub webmin_user_is_admin
{
return &webmin_user_login_mode() eq 'root';
}
$done_web_lib_funcs = 1;