e37451d9c2 2007-08-01 drh: /* e37451d9c2 2007-08-01 drh: ** Copyright (c) 2007 D. Richard Hipp e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ** This program is free software; you can redistribute it and/or e37451d9c2 2007-08-01 drh: ** modify it under the terms of the GNU General Public e37451d9c2 2007-08-01 drh: ** License version 2 as published by the Free Software Foundation. e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ** This program is distributed in the hope that it will be useful, e37451d9c2 2007-08-01 drh: ** but WITHOUT ANY WARRANTY; without even the implied warranty of e37451d9c2 2007-08-01 drh: ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU e37451d9c2 2007-08-01 drh: ** General Public License for more details. e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ** You should have received a copy of the GNU General Public e37451d9c2 2007-08-01 drh: ** License along with this library; if not, write to the e37451d9c2 2007-08-01 drh: ** Free Software Foundation, Inc., 59 Temple Place - Suite 330, e37451d9c2 2007-08-01 drh: ** Boston, MA 02111-1307, USA. e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ** Author contact information: e37451d9c2 2007-08-01 drh: ** drh@hwaci.com e37451d9c2 2007-08-01 drh: ** http://www.hwaci.com/drh/ e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ******************************************************************************* e37451d9c2 2007-08-01 drh: ** e37451d9c2 2007-08-01 drh: ** This file contains code used to clear-sign documents using an e37451d9c2 2007-08-01 drh: ** external gpg command. e37451d9c2 2007-08-01 drh: */ e37451d9c2 2007-08-01 drh: #include "config.h" e37451d9c2 2007-08-01 drh: #include "clearsign.h" e37451d9c2 2007-08-01 drh: #include <assert.h> e37451d9c2 2007-08-01 drh: e37451d9c2 2007-08-01 drh: /* e37451d9c2 2007-08-01 drh: ** Clearsign the given blob. Put the signed version in e37451d9c2 2007-08-01 drh: ** pOut. e37451d9c2 2007-08-01 drh: */ e37451d9c2 2007-08-01 drh: int clearsign(Blob *pIn, Blob *pOut){ e37451d9c2 2007-08-01 drh: char *zRand; e37451d9c2 2007-08-01 drh: char *zIn; e37451d9c2 2007-08-01 drh: char *zOut; 5cc845cfeb 2008-02-08 drh: char *zBase = db_get("pgp-command", "gpg --clearsign -o "); e37451d9c2 2007-08-01 drh: char *zCmd; e37451d9c2 2007-08-01 drh: int rc; 86cee3d082 2008-11-17 drh: if( is_false(zBase) ){ 86cee3d082 2008-11-17 drh: return 0; 86cee3d082 2008-11-17 drh: } e37451d9c2 2007-08-01 drh: zRand = db_text(0, "SELECT hex(randomblob(10))"); e37451d9c2 2007-08-01 drh: zOut = mprintf("out-%s", zRand); e37451d9c2 2007-08-01 drh: zIn = mprintf("in-%z", zRand); e37451d9c2 2007-08-01 drh: blob_write_to_file(pIn, zOut); e37451d9c2 2007-08-01 drh: zCmd = mprintf("%s %s %s", zBase, zIn, zOut); e37451d9c2 2007-08-01 drh: rc = system(zCmd); e37451d9c2 2007-08-01 drh: free(zCmd); e37451d9c2 2007-08-01 drh: if( rc==0 ){ e37451d9c2 2007-08-01 drh: if( pOut==pIn ){ e37451d9c2 2007-08-01 drh: blob_reset(pIn); e37451d9c2 2007-08-01 drh: } e37451d9c2 2007-08-01 drh: blob_zero(pOut); e37451d9c2 2007-08-01 drh: blob_read_from_file(pOut, zIn); e37451d9c2 2007-08-01 drh: }else{ e37451d9c2 2007-08-01 drh: if( pOut!=pIn ){ e37451d9c2 2007-08-01 drh: blob_copy(pOut, pIn); e37451d9c2 2007-08-01 drh: } e37451d9c2 2007-08-01 drh: } e37451d9c2 2007-08-01 drh: unlink(zOut); e37451d9c2 2007-08-01 drh: unlink(zIn); e37451d9c2 2007-08-01 drh: free(zOut); e37451d9c2 2007-08-01 drh: free(zIn); e37451d9c2 2007-08-01 drh: return rc; e37451d9c2 2007-08-01 drh: }
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