fix whitespace

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

diff --git a/IkiWiki/Wrapper.pm b/IkiWiki/Wrapper.pm
index ee547cefb9e7945ea12015a3197a2a79737e3fa7..e761085fb8d54cad74fdd41fe29071e93cac5c0d 100644 (file)
--- a/IkiWiki/Wrapper.pm
+++ b/IkiWiki/Wrapper.pm
@@ -13,22 +13,22 @@ sub gen_wrapper () { #{{{
        $config{destdir}=abs_path($config{destdir});
        my $this=abs_path($0);
        if (! -x $this) {
-               error("$this doesn't seem to be executable");
+               error(sprintf(gettext("%s doesn't seem to be executable"), $this));
        }
 
        if ($config{setup}) {
-               error("cannot create a wrapper that uses a setup file");
+               error(gettext("cannot create a wrapper that uses a setup file"));
        }
        my $wrapper=possibly_foolish_untaint($config{wrapper});
        if (! defined $wrapper || ! length $wrapper) {
-               error("wrapper filename not specified");
+               error(gettext("wrapper filename not specified"));
        }
        delete $config{wrapper};
        
        my @envsave;
        push @envsave, qw{REMOTE_ADDR QUERY_STRING REQUEST_METHOD REQUEST_URI
                       CONTENT_TYPE CONTENT_LENGTH GATEWAY_INTERFACE
-                      HTTP_COOKIE} if $config{cgi};
+                      HTTP_COOKIE REMOTE_USER} if $config{cgi};
        my $envsave="";
        foreach my $var (@envsave) {
                $envsave.=<<"EOF"
@@ -46,17 +46,25 @@ EOF
                asprintf(&newenviron[i++], "%s=%s", "REV", s);
 EOF
        }
+       if ($config{rcs} eq "tla" && $config{notify}) {
+               $envsave.=<<"EOF"
+       if ((s=getenv("ARCH_VERSION")))
+               asprintf(&newenviron[i++], "%s=%s", "ARCH_VERSION", s);
+EOF
+       }
        
        $Data::Dumper::Indent=0; # no newlines
        my $configstring=Data::Dumper->Dump([\%config], ['*config']);
        $configstring=~s/\\/\\\\/g;
        $configstring=~s/"/\\"/g;
+       $configstring=~s/\n/\\\n/g;
        
-       open(OUT, ">$wrapper.c") || error("failed to write $wrapper.c: $!");;
+       open(OUT, ">$wrapper.c") || error(sprintf(gettext("failed to write %s: %s"), "$wrapper.c", $!));;
        print OUT <<"EOF";
 /* A wrapper for ikiwiki, can be safely made suid. */
 #define _GNU_SOURCE
 #include <stdio.h>
+#include <sys/types.h>
 #include <unistd.h>
 #include <stdlib.h>
 #include <string.h>
@@ -74,6 +82,11 @@ $envsave
        newenviron[i]=NULL;
        environ=newenviron;
 
+       if (setregid(getegid(), -1) != 0 || setreuid(geteuid(), -1) != 0) {
+               perror("failed to drop real uid/gid");
+               exit(1);
+       }
+
        execl("$this", "$this", NULL);
        perror("failed to run $this");
        exit(1);
@@ -81,14 +94,14 @@ $envsave
 EOF
        close OUT;
        if (system("gcc", "$wrapper.c", "-o", $wrapper) != 0) {
-               error("failed to compile $wrapper.c");
+               error(sprintf(gettext("failed to compile %s"), "$wrapper.c"));
        }
        unlink("$wrapper.c");
        if (defined $config{wrappermode} &&
            ! chmod(oct($config{wrappermode}), $wrapper)) {
                error("chmod $wrapper: $!");
        }
-       print "successfully generated $wrapper\n";
+       printf(gettext("successfully generated %s\n"), $wrapper);
 } #}}}
 
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