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Diffstat (limited to 'g10/g10.c')
| -rw-r--r-- | g10/g10.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/g10/g10.c b/g10/g10.c new file mode 100644 index 000000000..1cf1d769a --- /dev/null +++ b/g10/g10.c @@ -0,0 +1,219 @@ +/* g10.c - The G10 re-install utility + * Copyright (c) 1997 by Werner Koch (dd9jn) + * + * This file is part of G10. + * + * G10 is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License as published by + * the Free Software Foundation; either version 2 of the License, or + * (at your option) any later version. + * + * G10 is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + +#include <config.h> +#include <stdio.h> +#include <stdlib.h> + +#include "packet.h" +#include "iobuf.h" +#include "memory.h" +#include "util.h" +#include "main.h" +#include "options.h" +#include "keydb.h" +#include "mpi.h" +#include "cipher.h" + + +const char * +strusage( int level ) +{ + const char *p; + switch( level ) { + case 10: + case 0: p = "g10 - v" VERSION "; " + "Copyright 1997 Werner Koch (dd9jn)" ; break; + case 13: p = "g10"; break; + case 14: p = VERSION; break; + case 1: + case 11: p = "Usage: g10 [options] [files] (-h for help)"; + break; + case 2: + case 12: p = + "\nSyntax: g10 [options] [files]\n" + "sign, check, encrypt or decrypt\n" + "default operation depends on the input data\n"; + break; + default: p = default_strusage(level); + } + return p; +} + +static void +set_debug(void) +{ + if( opt.debug & DBG_MEMORY_VALUE ) + memory_debug_mode = 1; + if( opt.debug & DBG_MEMSTAT_VALUE ) + memory_stat_debug_mode = 1; + if( opt.debug & DBG_MPI_VALUE ) + mpi_debug_mode = 1; + if( opt.debug & DBG_CIPHER_VALUE ) + cipher_debug_mode = 1; +} + + +int +main( int argc, char **argv ) +{ + static ARGPARSE_OPTS opts[] = { + { 'a', "armor", 0, "create ascii armored output"}, + { 'v', "verbose", 0, "verbose" }, + { 'z', NULL, 1, "set compress level (0 disables)" }, + { 'b', "batch", 0, "batch mode: never ask" }, + { 'n', "dry-run", 0, "don't make any changes" }, + { 'c', "symmetric", 0, "do only a symmetric encryption" }, + { 'o', "output", 2, "use as output file" }, + { 501, "yes", 0, "assume yes on most questions"}, + { 502, "no", 0, "assume no on most questions"}, + { 503, "make-key", 0, "generate a new key pair" }, + { 504, "add-key", 0, "add key to the public keyring" }, + { 505, "delete-key",0, "remove key from public keyring" }, + { 506, "sign-key" ,0, "make a signature on a key in the keyring" }, + { 507, "store", 0, "store only" }, + { 508, "check-key" ,0, "check signatures on a key in the keyring" }, + { 509, "keyring" ,2, "add this keyring to the list of keyrings" }, + { 's', "sign", 0, "make a signature"}, + { 'e', "encrypt", 0, "encrypt data" }, + { 'd', "decrypt", 0, "decrypt data (default)" }, + { 'c', "check", 0, "check a signature (default)" }, + { 'l', "local-user",2, "use this user-id to sign or decrypt" }, + { 'r', "remote-user", 2, "use this user-id for encryption" }, + { 510, "debug" ,4|16, "set debugging flags" }, + { 511, "debug-all" ,0, "enable full debugging"}, + { 512, "cache-all" ,0, "hold everything in memory"}, + { 513, "gen-prime" , 1, "generate a prime of length n" }, + { 514, "gen-key" , 0, "generate a key pair" }, + {0} }; + ARGPARSE_ARGS pargs = { &argc, &argv, 0 }; + IOBUF a; + int rc; + enum { aNull, aSym, aStore, aEncr, aPrimegen, aKeygen, + } action = aNull; + const char *fname, *fname_print; + STRLIST sl, remusr= NULL; + int nrings=0; + + opt.compress = -1; /* defaults to default compression level */ + while( arg_parse( &pargs, opts) ) { + switch( pargs.r_opt ) { + case 'v': opt.verbose++; break; + case 'z': + opt.compress = pargs.r.ret_int; + break; + case 'a': opt.armor = 1; break; + case 'c': action = aSym; break; + case 'e': action = aEncr; break; + case 'o': opt.outfile = pargs.r.ret_str; + if( opt.outfile[0] == '-' && !opt.outfile[1] ) + opt.outfile_is_stdout = 1; + break; + case 'b': opt.batch = 1; break; + case 501: opt.answer_yes = 1; break; + case 502: opt.answer_no = 1; break; + case 507: action = aStore; break; + case 508: opt.check_sigs = 1; break; + case 509: add_keyring(pargs.r.ret_str); nrings++; break; + case 510: opt.debug |= pargs.r.ret_ulong; break; + case 511: opt.debug = ~0; break; + case 512: opt.cache_all = 1; break; + case 'r': /* store the remote users */ + sl = m_alloc( sizeof *sl + strlen(pargs.r.ret_str)); + strcpy(sl->d, pargs.r.ret_str); + sl->next = remusr; + remusr = sl; + break; + case 513: action = aPrimegen; break; + case 514: action = aKeygen; break; + default : pargs.err = 2; break; + } + } + set_debug(); + if( opt.verbose > 1 ) + set_packet_list_mode(1); + + if( !nrings ) { /* add default rings */ + add_keyring("../keys/ring.pgp"); + add_keyring("../keys/pubring.g10"); + } + + if( argc ) { + fname_print = fname = *argv; + } + else { + fname_print = "[stdin]"; + fname = NULL; + } + + switch( action ) { + case aStore: /* only store the file */ + if( argc > 1 ) + usage(1); + if( (rc = encode_store(fname)) ) + log_error("encode_store('%s'): %s\n", + fname_print, g10_errstr(rc) ); + break; + + case aSym: /* encrypt the given file only with the symmetric cipher */ + if( argc > 1 ) + usage(1); + if( (rc = encode_symmetric(fname)) ) + log_error("encode_symmetric('%s'): %s\n", + fname_print, g10_errstr(rc) ); + break; + + case aEncr: /* encrypt the given file */ + if( argc > 1 ) + usage(1); + if( (rc = encode_crypt(fname,remusr)) ) + log_error("encode_crypt('%s'): %s\n", + fname_print, g10_errstr(rc) ); + break; + + case aPrimegen: + if( argc ) + usage(1); + mpi_print( stdout, generate_random_prime( pargs.r.ret_int ), 1); + putchar('\n'); + break; + + case aKeygen: /* generate a key (interactive) */ + if( argc ) + usage(1); + generate_keypair(); + break; + + default: + if( argc > 1 ) + usage(1); + if( !(a = iobuf_open(fname)) ) + log_fatal("can't open '%s'\n", fname_print); + proc_packets( a ); + iobuf_close(a); + break; + } + + /* cleanup */ + FREE_STRLIST(remusr); + return 0; +} + + |