127 lines
3.8 KiB
Perl
Executable file
127 lines
3.8 KiB
Perl
Executable file
#!/usr/bin/perl
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# gitolite shell, invoked from ~/.ssh/authorized_keys
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# ----------------------------------------------------------------------
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use FindBin;
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BEGIN { $ENV{GL_BINDIR} = $FindBin::RealBin; }
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use lib $ENV{GL_BINDIR};
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use Gitolite::Rc;
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use Gitolite::Common;
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use Gitolite::Conf::Load;
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use strict;
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use warnings;
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# the main() sub expects ssh-ish things; set them up...
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if ( exists $ENV{G3T_USER} ) {
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in_local(); # file:// masquerading as ssh:// for easy testing
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} elsif ( exists $ENV{SSH_CONNECTION} ) {
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in_ssh();
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} elsif ( exists $ENV{REQUEST_URI} ) {
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in_http();
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} else {
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_die "who the *heck* are you?";
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}
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main();
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exit 0;
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# ----------------------------------------------------------------------
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# XXX lots of stuff from gl-auth-command is missing for now...
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sub in_local {
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if ( $ENV{SSH_ORIGINAL_COMMAND} =~ /git-\w+-pack/ ) {
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print STDERR "TRACE: gsh(", join( ")(", @ARGV ), ")\n";
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print STDERR "TRACE: gsh(SOC=$ENV{SSH_ORIGINAL_COMMAND})\n";
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}
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}
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sub in_http {
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_die 'http not yet implemented...';
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}
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sub in_ssh {
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}
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# ----------------------------------------------------------------------
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# call this once you are sure arg-1 is the username and SSH_ORIGINAL_COMMAND
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# has been setup (even if it's not actually coming via ssh).
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sub main {
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gl_log( 'gitolite-shell', @ARGV, $ENV{SSH_ORIGINAL_COMMAND} );
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umask $rc{UMASK};
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# set up the user
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my $user = $ENV{GL_USER} = shift @ARGV;
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# set up the repo and the attempted access
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my ( $verb, $repo ) = parse_soc(); # returns only for git commands
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sanity($repo);
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$ENV{GL_REPO} = $repo;
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my $aa = ( $verb =~ 'upload' ? 'R' : 'W' );
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# auto-create?
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if ( repo_missing($repo) and access( $repo, $user, '^C', 'any' ) !~ /DENIED/ ) {
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require Gitolite::Conf::Store;
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Gitolite::Conf::Store->import;
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new_wild_repo( $repo, $user );
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gl_log( 'gitolite-shell:new_wild_repo', $repo, $user );
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}
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# a ref of 'any' signifies that this is a pre-git check, where we don't
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# yet know the ref that will be eventually pushed (and even that won't
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# apply if it's a read operation). See the matching code in access() for
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# more information.
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my $ret = access( $repo, $user, $aa, 'any' );
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trace( 1, "access($repo, $user, $aa, 'any')", "-> $ret" );
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gl_log( 'gitolite-shell:check', $repo, $user, $aa, 'any', '->', $ret );
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trigger( 'ACCESS_CHECK', $repo, $user, $aa, 'any', $ret );
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_die $ret if $ret =~ /DENIED/;
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$repo = "'$rc{GL_REPO_BASE}/$repo.git'";
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trigger( 'PRE_GIT', $repo, $user, $aa, 'any', $verb );
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_system( "git", "shell", "-c", "$verb $repo" );
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trigger( 'POST_GIT', $repo, $user, $aa, 'any', $verb );
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}
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# ----------------------------------------------------------------------
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sub parse_soc {
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my $soc = $ENV{SSH_ORIGINAL_COMMAND};
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$soc ||= 'info';
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if ( $soc =~ m(^(git-(?:upload|receive)-pack) '/?(.*?)(?:\.git(\d)?)?'$) ) {
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# TODO git archive
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my ( $verb, $repo, $trace_level ) = ( $1, $2, $3 );
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$ENV{D} = $trace_level if $trace_level;
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_die "invalid repo name: '$repo'" if $repo !~ $REPONAME_PATT;
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trace( 2, "git command", $soc );
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return ( $verb, $repo );
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}
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# after this we should not return; caller expects us to handle it all here
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# and exit out
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_die "suspicious characters loitering about '$soc'" if $soc !~ $REMOTE_COMMAND_PATT;
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my @words = split ' ', $soc;
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if ( $rc{COMMANDS}{ $words[0] } ) {
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trace( 2, "gitolite command", $soc );
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_system( "gitolite", @words );
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exit 0;
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}
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_die "unknown git/gitolite command: $soc";
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}
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sub sanity {
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my $repo = shift;
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_die "'$repo' contains bad characters" if $repo !~ $REPONAME_PATT;
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_die "'$repo' ends with a '/'" if $repo =~ m(/$);
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_die "'$repo' contains '..'" if $repo =~ m(\.\.$);
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}
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