X-Git-Url: https://sipb.mit.edu/gitweb.cgi/ikiwiki.git/blobdiff_plain/4669eab596c8d90de0cf9f9d359ad8dd8f48edb5..ef856a5f7a4c893dde5a893971e4686d4c30c8f4:/IkiWiki/Receive.pm diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm index 63944bb81..37b6f2a62 100644 --- a/IkiWiki/Receive.pm +++ b/IkiWiki/Receive.pm @@ -6,48 +6,83 @@ use warnings; use strict; use IkiWiki; -sub getuser () { #{{{ - my $user=(getpwuid($<))[0]; +sub getuser () { + my $user=(getpwuid(exists $ENV{CALLER_UID} ? $ENV{CALLER_UID} : $<))[0]; if (! defined $user) { error("cannot determine username for $<"); } return $user; -} #}}} +} -sub trusted () { #{{{ +sub trusted () { my $user=getuser(); return ! ref $config{untrusted_committers} || ! grep { $_ eq $user } @{$config{untrusted_committers}}; -} #}}} +} -sub test () { #{{{ +sub gen_wrapper () { + # Test for commits from untrusted committers in the wrapper, to + # avoid loading ikiwiki at all for trusted commits. + + my $ret=<<"EOF"; + { + int u=getuid(); +EOF + $ret.="\t\tif ( ". + join("&&", map { + my $uid=getpwnam($_); + if (! defined $uid) { + error(sprintf(gettext("cannot determine id of untrusted committer %s"), $_)); + } + "u != $uid"; + } @{$config{untrusted_committers}}). + ") exit(0);\n"; + $ret.=<<"EOF"; + asprintf(&s, "CALLER_UID=%i", u); + newenviron[i++]=s; + } +EOF + return $ret; +} + +sub test () { exit 0 if trusted(); - IkiWiki::rcs_test_receive(); + + IkiWiki::lockwiki(); + IkiWiki::loadindex(); # Dummy up a cgi environment to use when calling check_canedit # and friends. eval q{use CGI}; error($@) if $@; my $cgi=CGI->new; - require IkiWiki::CGI; - my $session=IkiWiki::cgi_getsession($cgi); - my $user=getuser(); - $session->param("name", $user); $ENV{REMOTE_ADDR}='unknown' unless exists $ENV{REMOTE_ADDR}; - lockwiki(); - loadindex(); - + # And dummy up a session object. + require IkiWiki::CGI; + my $session=IkiWiki::cgi_getsession($cgi); + $session->param("name", getuser()); + # Make sure whatever user was authed is in the + # userinfo db. + require IkiWiki::UserInfo; + if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) { + IkiWiki::userinfo_setall($session->param("name"), { + email => "", + password => "", + regdate => time, + }) || error("failed adding user"); + } + my %newfiles; foreach my $change (IkiWiki::rcs_receive()) { # This untaint is safe because we check file_pruned and # wiki_file_regexp. - my $file=$change->{file}=~/$config{wiki_file_regexp}/; - $file=possibly_foolish_untaint($file); + my ($file)=$change->{file}=~/$config{wiki_file_regexp}/; + $file=IkiWiki::possibly_foolish_untaint($file); if (! defined $file || ! length $file || IkiWiki::file_pruned($file, $config{srcdir})) { - error(gettext("bad file name")); + error(gettext("bad file name %s"), $file); } my $type=pagetype($file); @@ -60,17 +95,16 @@ sub test () { #{{{ if ($change->{action} eq 'change' || $change->{action} eq 'add') { if (defined $page) { - if (IkiWiki->can("check_canedit") && - IkiWiki::check_canedit($page, $cgi, $session)) { - next; + if (IkiWiki->can("check_canedit")) { + IkiWiki::check_canedit($page, $cgi, $session); + next; } } else { - # TODO - #if (IkiWiki::Plugin::attachment->can("check_canattach") && - # IkiWiki::Plugin::attachment::check_canattach($session, $file, $path)) { - # next; - #} + if (IkiWiki::Plugin::attachment->can("check_canattach")) { + IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path}); + next; + } } } elsif ($change->{action} eq 'remove') { @@ -83,19 +117,19 @@ sub test () { #{{{ # could add.) next if $newfiles{$file}; - if (IkiWiki::Plugin::remove->can("check_canremove") && - IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session)) { + if (IkiWiki::Plugin::remove->can("check_canremove")) { + IkiWiki::Plugin::remove::check_canremove(defined $page ? $page : $file, $cgi, $session); next; } } else { error "unknown action ".$change->{action}; } - + error sprintf(gettext("you are not allowed to change %s"), $file); } exit 0; -} #}}} +} 1