(no commit message)

[git.ikiwiki.info.git] / IkiWiki / Receive.pm

diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index 451a3fe8e50d98c155579321109e6084d25e657e..72668d26a9d596c8b340946b2051fa4ad840949e 100644 (file)
--- a/IkiWiki/Receive.pm
+++ b/IkiWiki/Receive.pm
@@ -7,7 +7,6 @@ use strict;
 use IkiWiki;
 
 sub getuser () { #{{{
-       # CALLER_UID is set by the suid wrapper, to the original uid
        my $user=(getpwuid(exists $ENV{CALLER_UID} ? $ENV{CALLER_UID} : $<))[0];
        if (! defined $user) {
                error("cannot determine username for $<");
@@ -21,6 +20,31 @@ sub trusted () { #{{{
                ! grep { $_ eq $user } @{$config{untrusted_committers}};
 } #}}}
 
+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();