mirror of
git://git.gnupg.org/gnupg.git
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253 lines
7.4 KiB
C
253 lines
7.4 KiB
C
/* g10.c - The G10 re-install utility
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* Copyright (c) 1997 by Werner Koch (dd9jn)
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*
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* This file is part of G10.
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*
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* G10 is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* G10 is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#include <config.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include "packet.h"
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#include "iobuf.h"
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#include "memory.h"
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#include "util.h"
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#include "main.h"
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#include "options.h"
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#include "keydb.h"
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#include "mpi.h"
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#include "cipher.h"
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#include "filter.h"
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const char *
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strusage( int level )
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{
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const char *p;
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switch( level ) {
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case 10:
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case 0: p = "g10 - v" VERSION "; "
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"Copyright 1997 Werner Koch (dd9jn)" ; break;
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case 13: p = "g10"; break;
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case 14: p = VERSION; break;
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case 1:
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case 11: p = "Usage: g10 [options] [files] (-h for help)";
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break;
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case 2:
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case 12: p =
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"\nSyntax: g10 [options] [files]\n"
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"sign, check, encrypt or decrypt\n"
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"default operation depends on the input data\n"
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#ifdef HAVE_RSA_CIPHER
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"WARNING: This version has RSA support! Your are not allowed to\n"
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" use it inside the Unites States until Sep 30, 2000!\n"
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#endif
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;
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break;
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case 26:
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p = "Please report bugs to <g10-bugs@isil.d.shuttle.de>.\n";
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break;
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default: p = default_strusage(level);
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}
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return p;
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}
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static void
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set_debug(void)
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{
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if( opt.debug & DBG_MEMORY_VALUE )
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memory_debug_mode = 1;
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if( opt.debug & DBG_MEMSTAT_VALUE )
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memory_stat_debug_mode = 1;
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if( opt.debug & DBG_MPI_VALUE )
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mpi_debug_mode = 1;
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if( opt.debug & DBG_CIPHER_VALUE )
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cipher_debug_mode = 1;
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if( opt.debug & DBG_IOBUF_VALUE )
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iobuf_debug_mode = 1;
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}
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int
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main( int argc, char **argv )
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{
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static ARGPARSE_OPTS opts[] = {
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{ 'a', "armor", 0, "create ascii armored output"},
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{ 'v', "verbose", 0, "verbose" },
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{ 'z', NULL, 1, "set compress level (0 disables)" },
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{ 'b', "batch", 0, "batch mode: never ask" },
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{ 'n', "dry-run", 0, "don't make any changes" },
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{ 'c', "symmetric", 0, "do only a symmetric encryption" },
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{ 'o', "output", 2, "use as output file" },
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{ 501, "yes", 0, "assume yes on most questions"},
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{ 502, "no", 0, "assume no on most questions"},
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{ 503, "make-key", 0, "generate a new key pair" },
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{ 504, "add-key", 0, "add key to the public keyring" },
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{ 505, "delete-key",0, "remove key from public keyring" },
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{ 506, "sign-key" ,0, "make a signature on a key in the keyring" },
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{ 507, "store", 0, "store only" },
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{ 508, "check-key" ,0, "check signatures on a key in the keyring" },
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{ 509, "keyring" ,2, "add this keyring to the list of keyrings" },
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{ 's', "sign", 0, "make a signature"},
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{ 'e', "encrypt", 0, "encrypt data" },
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{ 'd', "decrypt", 0, "decrypt data (default)" },
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{ 'c', "check", 0, "check a signature (default)" },
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{ 'l', "local-user",2, "use this user-id to sign or decrypt" },
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{ 'r', "remote-user", 2, "use this user-id for encryption" },
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{ 510, "debug" ,4|16, "set debugging flags" },
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{ 511, "debug-all" ,0, "enable full debugging"},
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{ 512, "cache-all" ,0, "hold everything in memory"},
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{ 513, "gen-prime" , 1, "generate a prime of length n" },
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{ 514, "gen-key" , 0, "generate a key pair" },
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{0} };
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ARGPARSE_ARGS pargs = { &argc, &argv, 0 };
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IOBUF a;
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int rc;
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enum { aNull, aSym, aStore, aEncr, aPrimegen, aKeygen, aSign, aSignEncr,
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} action = aNull;
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const char *fname, *fname_print;
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STRLIST sl, remusr= NULL, locusr=NULL;
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int nrings=0;
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armor_filter_context_t afx;
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opt.compress = -1; /* defaults to default compression level */
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while( arg_parse( &pargs, opts) ) {
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switch( pargs.r_opt ) {
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case 'v': opt.verbose++; break;
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case 'z':
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opt.compress = pargs.r.ret_int;
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break;
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case 'a': opt.armor = 1; break;
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case 'b': opt.batch = 1; break;
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case 'c': action = aSym; break;
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case 'o': opt.outfile = pargs.r.ret_str;
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if( opt.outfile[0] == '-' && !opt.outfile[1] )
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opt.outfile_is_stdout = 1;
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break;
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case 'e': action = action == aSign? aSignEncr : aEncr; break;
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case 's': action = action == aEncr? aSignEncr : aSign; break;
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case 'l': /* store the local users */
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sl = m_alloc( sizeof *sl + strlen(pargs.r.ret_str));
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strcpy(sl->d, pargs.r.ret_str);
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sl->next = locusr;
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locusr = sl;
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break;
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case 'r': /* store the remote users */
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sl = m_alloc( sizeof *sl + strlen(pargs.r.ret_str));
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strcpy(sl->d, pargs.r.ret_str);
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sl->next = remusr;
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remusr = sl;
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break;
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case 501: opt.answer_yes = 1; break;
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case 502: opt.answer_no = 1; break;
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case 507: action = aStore; break;
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case 508: opt.check_sigs = 1; break;
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case 509: add_keyring(pargs.r.ret_str); nrings++; break;
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case 510: opt.debug |= pargs.r.ret_ulong; break;
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case 511: opt.debug = ~0; break;
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case 512: opt.cache_all = 1; break;
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case 513: action = aPrimegen; break;
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case 514: action = aKeygen; break;
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default : pargs.err = 2; break;
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}
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}
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set_debug();
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if( opt.verbose > 1 )
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set_packet_list_mode(1);
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if( !nrings ) { /* add default rings */
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add_keyring("../keys/ring.pgp");
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add_keyring("../keys/pubring.g10");
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}
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if( argc ) {
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fname_print = fname = *argv;
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}
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else {
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fname_print = "[stdin]";
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fname = NULL;
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}
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switch( action ) {
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case aStore: /* only store the file */
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if( argc > 1 )
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usage(1);
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if( (rc = encode_store(fname)) )
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log_error("encode_store('%s'): %s\n",
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fname_print, g10_errstr(rc) );
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break;
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case aSym: /* encrypt the given file only with the symmetric cipher */
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if( argc > 1 )
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usage(1);
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if( (rc = encode_symmetric(fname)) )
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log_error("encode_symmetric('%s'): %s\n", fname_print, g10_errstr(rc) );
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break;
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case aEncr: /* encrypt the given file */
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if( argc > 1 )
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usage(1);
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if( (rc = encode_crypt(fname,remusr)) )
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log_error("encode_crypt('%s'): %s\n", fname_print, g10_errstr(rc) );
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break;
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case aSign: /* sign the given file */
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if( argc > 1 )
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usage(1);
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if( (rc = sign_file(fname, 0, locusr)) )
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log_error("sign_file('%s'): %s\n", fname_print, g10_errstr(rc) );
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break;
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case aSignEncr: /* sign and encrypt the given file */
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usage(1); /* FIXME */
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break;
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case aPrimegen:
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if( argc )
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usage(1);
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mpi_print( stdout, generate_public_prime( pargs.r.ret_int ), 1);
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putchar('\n');
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break;
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case aKeygen: /* generate a key (interactive) */
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if( argc )
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usage(1);
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generate_keypair();
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break;
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default:
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if( argc > 1 )
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usage(1);
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if( !(a = iobuf_open(fname)) )
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log_fatal("can't open '%s'\n", fname_print);
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/* push the armor filter, so it can peek at the input data */
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memset( &afx, 0, sizeof afx);
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iobuf_push_filter( a, armor_filter, &afx );
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proc_packets( a );
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iobuf_close(a);
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break;
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}
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/* cleanup */
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FREE_STRLIST(remusr);
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FREE_STRLIST(locusr);
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return 0;
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}
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