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-rw-r--r--IkiWiki/Receive.pm26
-rw-r--r--IkiWiki/Wrapper.pm13
2 files changed, 34 insertions, 5 deletions
diff --git a/IkiWiki/Receive.pm b/IkiWiki/Receive.pm
index 451a3fe8e..72668d26a 100644
--- 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 $ret;
+} #}}}
+
sub test () { #{{{
exit 0 if trusted();
diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index 0a2b8d4f8..fd8a0e5b0 100644
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -36,7 +36,13 @@ sub gen_wrapper () { #{{{
addenv("$var", s);
EOF
}
-
+
+ my $test_receive="";
+ if ($config{test_receive}) {
+ require IkiWiki::Receive;
+ $test_receive=IkiWiki::Receive::gen_wrapper();
+ }
+
$Data::Dumper::Indent=0; # no newlines
my $configstring=Data::Dumper->Dump([\%config], ['*config']);
$configstring=~s/\\/\\\\/g;
@@ -67,13 +73,12 @@ addenv(char *var, char *val) {
}
int main (int argc, char **argv) {
- /* Sanitize environment. */
char *s;
+
+$test_receive
$envsave
newenviron[i++]="HOME=$ENV{HOME}";
newenviron[i++]="WRAPPED_OPTIONS=$configstring";
- asprintf(&s, "CALLER_UID=%i", getuid());
- newenviron[i++]=s;
newenviron[i]=NULL;
environ=newenviron;