export CALLER_UID

[ikiwiki.git] / IkiWiki / Wrapper.pm

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index dcf3e5c364ba2380ba04f3c78f0fca551f0badc3..eb6228dc314dd2b24d6740f34e08c8f73e437512 100644 (file)
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -1,17 +1,17 @@
 #!/usr/bin/perl
 
+package IkiWiki;
+
 use warnings;
 use strict;
-use Cwd q{abs_path};
+use File::Spec;
 use Data::Dumper;
 use IkiWiki;
 
-package IkiWiki;
-
 sub gen_wrapper () { #{{{
-       $config{srcdir}=abs_path($config{srcdir});
-       $config{destdir}=abs_path($config{destdir});
-       my $this=abs_path($0);
+       $config{srcdir}=File::Spec->rel2abs($config{srcdir});
+       $config{destdir}=File::Spec->rel2abs($config{destdir});
+       my $this=File::Spec->rel2abs($0);
        if (! -x $this) {
                error(sprintf(gettext("%s doesn't seem to be executable"), $this));
        }
@@ -28,7 +28,7 @@ sub gen_wrapper () { #{{{
        my @envsave;
        push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
                       CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE
-                      HTTP_COOKIE REMOTE_USER} if $config{cgi};
+                      HTTP_COOKIE REMOTE_USER HTTPS} if $config{cgi};
        my $envsave="";
        foreach my $var (@envsave) {
                $envsave.=<<"EOF"
@@ -36,22 +36,6 @@ sub gen_wrapper () { #{{{
                addenv("$var", s);
 EOF
        }
-       if ($config{rcs} eq "svn" && $config{notify}) {
-               # Support running directly as hooks/post-commit by passing
-               # $2 in REV in the environment.
-               $envsave.=<<"EOF"
-       if (argc == 3)
-               addenv("REV", argv[2]);
-       else if ((s=getenv("REV")))
-               addenv("REV", s);
-EOF
-       }
-       if ($config{rcs} eq "tla" && $config{notify}) {
-               $envsave.=<<"EOF"
-       if ((s=getenv("ARCH_VERSION")))
-               addenv("ARCH_VERSION", s);
-EOF
-       }
        
        $Data::Dumper::Indent=0; # no newlines
        my $configstring=Data::Dumper->Dump([\%config], ['*config']);
@@ -71,7 +55,7 @@ EOF
 #include <string.h>
 
 extern char **environ;
-char *newenviron[$#envsave+5];
+char *newenviron[$#envsave+6];
 int i=0;
 
 addenv(char *var, char *val) {
@@ -88,11 +72,18 @@ int main (int argc, char **argv) {
 $envsave
        newenviron[i++]="HOME=$ENV{HOME}";
        newenviron[i++]="WRAPPED_OPTIONS=$configstring";
+       asprintf(newenviron[i++], "CALLER_UID=%i", getuid());
        newenviron[i]=NULL;
        environ=newenviron;
 
-       if (setregid(getegid(), -1) != 0 || setreuid(geteuid(), -1) != 0) {
-               perror("failed to drop real uid/gid");
+       if (setregid(getegid(), -1) != 0 &&
+           setregid(getegid(), -1) != 0) {
+               perror("failed to drop real gid");
+               exit(1);
+       }
+       if (setreuid(geteuid(), -1) != 0 &&
+           setreuid(geteuid(), -1) != 0) {
+               perror("failed to drop real uid");
                exit(1);
        }