X-Git-Url: http://git.vanrenterghem.biz/git.ikiwiki.info.git/blobdiff_plain/ad9e443f22a139c71f0cd05885cda3e418f27567..67b0e22d3065ab01cd0635dabdbbad7bc739ed45:/IkiWiki/Receive.pm diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm index 4d437cf78..5908e09f9 100644 --- a/IkiWiki/Receive.pm +++ b/IkiWiki/Receive.pm @@ -1,100 +1,91 @@ #!/usr/bin/perl - package IkiWiki::Receive; 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 genwrapper () { + # Test for commits from untrusted committers in the wrapper, to + # avoid starting ikiwiki proper 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}}). + ") {\n"; -sub test () { #{{{ - exit 0 if trusted(); - IkiWiki::rcs_test_receive(); + $ret.=<<"EOF"; + /* Trusted user. + * Consume all stdin before exiting, as git may + * otherwise be unhappy. */ + char buf[256]; + while (read(0, &buf, 256) != 0) {} + exit(0); + } + asprintf(&s, "CALLER_UID=%i", u); + newenviron[i++]=s; + } +EOF + return $ret; +} + +sub test () { + exit 0 if trusted(); + + IkiWiki::lockwiki(); + IkiWiki::loadindex(); + # Dummy up a cgi environment to use when calling check_canedit # and friends. eval q{use CGI}; error($@) if $@; my $cgi=CGI->new; + + # And dummy up a session object. 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(); - - 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); - if (! defined $file || ! length $file || - IkiWiki::file_pruned($file, $config{srcdir})) { - error(gettext("bad file name")); - } - - my $type=pagetype($file); - my $page=pagename($file) if defined $type; - - if ($change->{action} eq 'add') { - $newfiles{$file}=1; - } - - if ($change->{action} eq 'change' || - $change->{action} eq 'add') { - if (defined $page) { - if (IkiWiki->can("check_canedit") && - IkiWiki::check_canedit($page, $cgi, $session)) { - next; - } - } - else { - if (IkiWiki::Plugin::attachment->can("check_canattach") && - IkiWiki::Plugin::attachment::check_canattach($session, $file, $change->{path})) { - next; - } - } - } - elsif ($change->{action} eq 'remove') { - # check_canremove tests to see if the file is present - # on disk. This will fail is a single commit adds a - # file and then removes it again. Avoid the problem - # by not testing the removal in such pairs of changes. - # (The add is still tested, just to make sure that - # no data is added to the repo that a web edit - # could add.) - next if $newfiles{$file}; - - 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); + $session->param("name", getuser()); + # Make sure whatever user was authed is in the + # userinfo db. + require IkiWiki::UserInfo; + if (! IkiWiki::userinfo_get($session->param("name"), "regdate")) { + IkiWiki::userinfo_setall($session->param("name"), { + email => "", + password => "", + regdate => time, + }) || error("failed adding user"); } + IkiWiki::check_canchange( + cgi => $cgi, + session => $session, + changes => [IkiWiki::rcs_receive()] + ); exit 0; -} #}}} +} 1