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Diffstat (limited to 'g10/g10maint.c')
-rw-r--r-- | g10/g10maint.c | 624 |
1 files changed, 624 insertions, 0 deletions
diff --git a/g10/g10maint.c b/g10/g10maint.c new file mode 100644 index 000000000..f02bb11e7 --- /dev/null +++ b/g10/g10maint.c @@ -0,0 +1,624 @@ +/* g10maint.c - The G10 maintenance 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 <errno.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.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" +#include "filter.h" +#include "trustdb.h" +#include "ttyio.h" +#include "i18n.h" +#include "status.h" + + +enum cmd_values { aNull = 0, + aPrimegen, aPrintMDs, aListPackets, aKMode, aKModeC, + aListTrustDB, aListTrustPath, +aTest }; + + +static void set_cmd( enum cmd_values *ret_cmd, + enum cmd_values new_cmd ); +static void print_hex( byte *p, size_t n ); +static void print_mds( const char *fname ); +static void do_test(int); + +const char * +strusage( int level ) +{ + const char *p; + switch( level ) { + case 10: + case 0: p = "g10maint - v" VERSION "; " + "Copyright 1997 Werner Koch (dd9jn)\n" ; break; + case 13: p = "g10"; break; + case 14: p = VERSION; break; + case 1: + case 11: p = "Usage: g10main [options] (-h for help)"; + break; + case 2: + case 12: p = + _("Syntax: g10maint [options]\n" + "The G10 maintenace utility\n"); break; + + case 26: + p = _("Please report bugs to <[email protected]>.\n"); + break; + + #if !defined(HAVE_ZLIB_H) && defined(HAVE_RSA_CIPHER) + case 30: p = _( + " NOTE: This version is compiled without ZLIB support;\n" + " you are not able to process compresssed data!\n" + "WARNING: This version has RSA support! Your are not allowed to\n" + " use it inside the Unites States before Sep 30, 2000!\n" ); + #elif !defined(HAVE_ZLIB_H) + case 30: p = _( + " NOTE: This version is compiled without ZLIB support;\n" + " you are not able to process compresssed data!\n"); + #elif defined(HAVE_RSA_CIPHER) + case 30: p = _( + "WARNING: This version has RSA support! Your are not allowed to\n" + " use it inside the Unites States before Sep 30, 2000!\n" ); + #else + case 30: p = ""; + #endif + break; + default: p = default_strusage(level); + } + return p; +} + +static void +i18n_init(void) +{ + #ifdef ENABLE_NLS + setlocale( LC_MESSAGES, "" ); + bindtextdomain( PACKAGE, G10_LOCALEDIR ); + textdomain( PACKAGE ); + #endif +} + +static void +wrong_args( const char *text) +{ + fputs(_("Usage: g10maint [options] "),stderr); + fputs(text,stderr); + putc('\n',stderr); + g10_exit(2); +} + +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; + if( opt.debug & DBG_IOBUF_VALUE ) + iobuf_debug_mode = 1; +} + + +static void +set_cmd( enum cmd_values *ret_cmd, enum cmd_values new_cmd ) +{ + enum cmd_values cmd = *ret_cmd; + + if( !cmd || cmd == new_cmd ) + cmd = new_cmd; + else if( cmd == aKMode && new_cmd == aKModeC ) + cmd = aKModeC; + else { + log_error(_("conflicting commands\n")); + g10_exit(2); + } + + *ret_cmd = cmd; +} + + +void +main( int argc, char **argv ) +{ + static ARGPARSE_OPTS opts[] = { + { 'v', "verbose", 0, N_("verbose") }, + { 'n', "dry-run", 0, N_("don't make any changes") }, + { 'o', "output", 2, N_("use as output file")}, + { 'c', NULL , 0, N_("check signatures")}, + { 500, "batch", 0, N_("batch mode: never ask")}, + { 501, "yes", 0, N_("assume yes on most questions")}, + { 502, "no", 0, N_("assume no on most questions")}, + { 509, "keyring" ,2, N_("add this keyring to the list of keyrings")}, + { 'k', NULL , 0, N_("list keys")}, + { 510, "debug" ,4|16, N_("set debugging flags")}, + { 511, "debug-all" ,0, N_("enable full debugging")}, + { 512, "status-fd" ,1, N_("write status info to this fd") }, + { 513, "gen-prime" , 0, "\r" }, + { 514, "test" , 0, "\r" }, + { 516, "print-mds" , 0, N_("print all message digests")}, + { 517, "secret-keyring" ,2, N_("add this secret keyring to the list")}, + { 518, "options" , 2, N_("read options from file")}, + { 519, "no-armor", 0, "\r"}, + { 520, "no-default-keyring", 0, "\r" }, + { 521, "list-packets",0,N_("list only the sequence of packets")}, + { 522, "no-greeting", 0, "\r" }, + { 526, "no-verbose", 0, "\r"}, + { 531, "list-trustdb",0 , "\r"}, + { 533, "list-trust-path",0, "\r"}, + { 534, "no-comment", 0, N_("do not write comment packets")}, + { 535, "completes-needed", 1, N_("(default is 1)")}, + { 536, "marginals-needed", 1, N_("(default is 3)")}, + { 538, "trustdb-name", 2, "\r" }, + + {0} }; + ARGPARSE_ARGS pargs; + IOBUF a; + int rc=0; + int orig_argc; + char **orig_argv; + const char *fname, *fname_print; + STRLIST remusr= NULL, locusr=NULL; + int nrings=0, sec_nrings=0; + armor_filter_context_t afx; + const char *s; + FILE *configfp = NULL; + char *configname = NULL; + unsigned configlineno; + int parse_verbose = 0; + int default_config =1; + int errors=0; + int default_keyring = 1; + int greeting = 1; + enum cmd_values cmd = 0; + const char *trustdb_name = NULL; + + + secmem_init( 0 ); /* disable use of secmem */ + + i18n_init(); + opt.compress = -1; /* defaults to standard compress level */ + opt.def_cipher_algo = CIPHER_ALGO_BLOWFISH; + opt.def_pubkey_algo = PUBKEY_ALGO_ELGAMAL; + opt.def_digest_algo = DIGEST_ALGO_RMD160; + opt.completes_needed = 1; + opt.marginals_needed = 3; + + /* check wether we have a config file on the commandline */ + orig_argc = argc; + orig_argv = argv; + pargs.argc = &argc; + pargs.argv = &argv; + pargs.flags= 1; /* do not remove the args */ + while( arg_parse( &pargs, opts) ) { + if( pargs.r_opt == 'v' ) + parse_verbose++; + else if( pargs.r_opt == 518 ) { + /* yes there is one, so we do not try the default one, but + * read the option file when it is encountered at the commandline + */ + default_config = 0; + } + } + + if( default_config ) + configname = make_filename("~/.g10", "options", NULL ); + + argc = orig_argc; + argv = orig_argv; + pargs.argc = &argc; + pargs.argv = &argv; + pargs.flags= 1; /* do not remove the args */ + next_pass: + if( configname ) { + configlineno = 0; + configfp = fopen( configname, "r" ); + if( !configfp ) { + if( default_config ) { + if( parse_verbose > 1 ) + log_info(_("note: no default option file '%s'\n"), configname ); + } + else + log_fatal(_("option file '%s': %s\n"), + configname, strerror(errno) ); + m_free(configname); configname = NULL; + } + if( parse_verbose > 1 ) + log_info(_("reading options from '%s'\n"), configname ); + default_config = 0; + } + + while( optfile_parse( configfp, configname, &configlineno, + &pargs, opts) ) { + switch( pargs.r_opt ) { + case 'v': opt.verbose++; + opt.list_sigs=1; + break; + case 'o': opt.outfile = pargs.r.ret_str; break; + case 'k': set_cmd( &cmd, aKMode ); break; + case 'c': set_cmd( &cmd, aKModeC ); break; + case 500: opt.batch = 1; greeting = 0; break; + case 501: opt.answer_yes = 1; break; + case 502: opt.answer_no = 1; break; + case 508: opt.check_sigs = 1; opt.list_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: set_status_fd( pargs.r.ret_int ); break; + case 513: set_cmd( &cmd, aPrimegen); break; + case 514: set_cmd( &cmd, aTest); break; + case 515: opt.fingerprint = 1; break; + case 516: set_cmd( &cmd, aPrintMDs); break; + case 517: add_secret_keyring(pargs.r.ret_str); sec_nrings++; break; + case 518: + /* config files may not be nested (silently ignore them) */ + if( !configfp ) { + m_free(configname); + configname = m_strdup(pargs.r.ret_str); + goto next_pass; + } + break; + case 519: opt.no_armor=1; opt.armor=0; break; + case 520: default_keyring = 0; break; + case 521: set_cmd( &cmd, aListPackets); break; + case 522: greeting = 0; break; + case 523: set_passphrase_fd( pargs.r.ret_int ); break; + case 526: opt.verbose = 0; opt.list_sigs=0; break; + case 527: + opt.def_cipher_algo = string_to_cipher_algo(pargs.r.ret_str); + break; + case 528: + opt.def_pubkey_algo = string_to_pubkey_algo(pargs.r.ret_str); + break; + case 529: + opt.def_digest_algo = string_to_digest_algo(pargs.r.ret_str); + break; + case 531: set_cmd( &cmd, aListTrustDB); break; + case 532: quick_random_gen(1); break; + case 533: set_cmd( &cmd, aListTrustPath); break; + case 534: opt.no_comment=1; break; + case 535: opt.completes_needed = pargs.r.ret_int; break; + case 536: opt.marginals_needed = pargs.r.ret_int; break; + case 538: trustdb_name = pargs.r.ret_str; break; + default : errors++; pargs.err = configfp? 1:2; break; + } + } + if( configfp ) { + fclose( configfp ); + configfp = NULL; + m_free(configname); configname = NULL; + goto next_pass; + } + m_free( configname ); configname = NULL; + if( !opt.def_cipher_algo || check_cipher_algo(opt.def_cipher_algo) ) { + log_error(_("selected cipher algorithm is invalid\n")); + errors++; + } + if( !opt.def_pubkey_algo || check_pubkey_algo(opt.def_pubkey_algo) ) { + log_error(_("selected pubkey algorithm is invalid\n")); + errors++; + } + if( !opt.def_digest_algo || check_digest_algo(opt.def_digest_algo) ) { + log_error(_("selected digest algorithm is invalid\n")); + errors++; + } + if( opt.completes_needed < 1 ) { + log_error(_("completes-needed must be greater than 0\n")); + errors++; + } + if( opt.marginals_needed < 2 ) { + log_error(_("marginals-needed must be greater than 1\n")); + errors++; + } + if( errors ) + g10_exit(2); + + write_status( STATUS_ENTER ); + + set_debug(); + if( cmd == aKMode || cmd == aKModeC ) { /* kludge to be compatible to pgp */ + if( cmd == aKModeC ) { + opt.fingerprint = 1; + cmd = aKMode; + } + opt.list_sigs = 0; + if( opt.verbose > 2 ) + opt.check_sigs++; + if( opt.verbose > 1 ) + opt.list_sigs++; + + opt.verbose = opt.verbose > 1; + } + if( opt.verbose > 1 ) + set_packet_list_mode(1); + if( greeting ) { + if( *(s=strusage(10)) ) + tty_printf("%s", s); + if( *(s=strusage(30)) ) + tty_printf("%s", s); + } + + if( !sec_nrings || default_keyring ) { /* add default secret rings */ + char *p = make_filename("~/.g10", "secring.g10", NULL ); + add_secret_keyring(p); + m_free(p); + } + if( !nrings || default_keyring ) { /* add default ring */ + char *p = make_filename("~/.g10", "pubring.g10", NULL ); + add_keyring(p); + m_free(p); + } + + if( argc ) { + fname_print = fname = *argv; + } + else { + fname_print = "[stdin]"; + fname = NULL; + if( get_passphrase_fd() == 0 ) { + /* reading data and passphrase form stdin: + * we assume the first line is the passphrase, so + * we read it now + */ + /* FIXME: doit */ + } + } + + switch( cmd ) { + case aPrimegen: + case aPrintMDs: + break; + case aListTrustDB: rc = init_trustdb( argc? 1:0, trustdb_name ); break; + default: rc = init_trustdb(1, trustdb_name ); break; + } + if( rc ) + log_error(_("failed to initialize the TrustDB: %s\n"), g10_errstr(rc)); + + + switch( cmd ) { + case aKMode: /* list keyring */ + if( !argc ) { /* list the default public keyrings */ + int i, seq=0; + const char *s; + + while( (s=get_keyring(seq++)) ) { + if( !(a = iobuf_open(s)) ) { + log_error(_("can't open '%s'\n"), s); + continue; + } + if( seq > 1 ) + putchar('\n'); + printf("%s\n", s ); + for(i=strlen(s); i; i-- ) + putchar('-'); + putchar('\n'); + + proc_packets( a ); + iobuf_close(a); + } + + } + else if( argc == 1) { /* list the given keyring */ + if( !(a = iobuf_open(fname)) ) + log_fatal(_("can't open '%s'\n"), fname_print); + proc_packets( a ); + iobuf_close(a); + } + else + usage(1); + break; + + case aPrimegen: + if( argc == 1 ) { + mpi_print( stdout, generate_public_prime( atoi(argv[0]) ), 1); + putchar('\n'); + } + else if( argc == 2 ) { + mpi_print( stdout, generate_elg_prime( atoi(argv[0]), + atoi(argv[1]), NULL ), 1); + putchar('\n'); + } + else if( argc == 3 ) { + MPI g = mpi_alloc(1); + mpi_print( stdout, generate_elg_prime( atoi(argv[0]), + atoi(argv[1]), g ), 1); + printf("\nGenerator: "); + mpi_print( stdout, g, 1 ); + putchar('\n'); + mpi_free(g); + } + else + usage(1); + break; + + case aPrintMDs: + if( !argc ) + print_mds(NULL); + else { + for(; argc; argc--, argv++ ) + print_mds(*argv); + } + break; + + case aTest: do_test( argc? atoi(*argv): 0 ); break; + + case aListTrustDB: + if( !argc ) + list_trustdb(NULL); + else { + for( ; argc; argc--, argv++ ) + list_trustdb( *argv ); + } + break; + + case aListTrustPath: + if( argc != 2 ) + wrong_args("--list-trust-path [-- -]<maxdepth> <username>"); + list_trust_path( atoi(*argv), argv[1] ); + break; + + case aListPackets: + opt.list_packets=1; + default: /* do regular maintenace tasks */ + if( argc > 1 ) + usage(1); + if( !(a = iobuf_open(fname)) ) + log_fatal(_("can't open '%s'\n"), fname_print); + if( !opt.no_armor ) { + /* push the armor filter, so it can peek at the input data */ + memset( &afx, 0, sizeof afx); + iobuf_push_filter( a, armor_filter, &afx ); + } + if( cmd == aListPackets ) { + set_packet_list_mode(1); + opt.list_packets=1; + } + proc_packets( a ); + iobuf_close(a); + break; + } + + /* cleanup */ + FREE_STRLIST(remusr); + FREE_STRLIST(locusr); + g10_exit(0); +} + + +void +g10_exit( int rc ) +{ + if( opt.verbose ) + secmem_dump_stats(); + secmem_term(); + rc = rc? rc : log_get_errorcount(0)? 2:0; + write_status( STATUS_LEAVE ); + exit(rc ); +} + + +static void +print_hex( byte *p, size_t n ) +{ + int i; + + if( n == 20 ) { + for(i=0; i < n ; i++, i++, p += 2 ) { + if( i == 10 ) + putchar(' '); + printf(" %02X%02X", *p, p[1] ); + } + } + else { + for(i=0; i < n ; i++, p++ ) { + if( i && !(i%8) ) + putchar(' '); + printf(" %02X", *p ); + } + } +} + +static void +print_mds( const char *fname ) +{ + FILE *fp; + char buf[1024]; + size_t n; + MD_HANDLE md; + + if( !fname ) { + fp = stdin; + fname = "[stdin]"; + } + else + fp = fopen( fname, "rb" ); + if( !fp ) { + log_error("%s: %s\n", fname, strerror(errno) ); + return; + } + + md = md_open( DIGEST_ALGO_MD5, 0 ); + md_enable( md, DIGEST_ALGO_RMD160 ); + md_enable( md, DIGEST_ALGO_SHA1 ); + + while( (n=fread( buf, 1, DIM(buf), fp )) ) + md_write( md, buf, n ); + if( ferror(fp) ) + log_error("%s: %s\n", fname, strerror(errno) ); + else { + md_final(md); + printf( "%s: MD5 =", fname ); print_hex(md_read(md, DIGEST_ALGO_MD5), 16 ); + printf("\n%s: RMD160 =", fname ); print_hex(md_read(md, DIGEST_ALGO_RMD160), 20 ); + printf("\n%s: SHA1 =", fname ); print_hex(md_read(md, DIGEST_ALGO_SHA1), 20 ); + putchar('\n'); + } + + + md_close(md); + + if( fp != stdin ) + fclose(fp); +} + + + +static void +do_test(int times) +{ + #if 0 + MPI t = mpi_alloc( 50 ); + MPI m = mpi_alloc( 50 ); + MPI a = mpi_alloc( 50 ); + MPI b = mpi_alloc( 50 ); + MPI p = mpi_alloc( 50 ); + MPI x = mpi_alloc( 50 ); + + /* output = b/(a^x) mod p */ + log_debug("invm %d times ", times); + for( ; times > 0; times -- ) { + mpi_fromstr(a, "0xef45678343589854354a4545545454554545455" + "aaaaaaaaaaaaa44444fffdecb33434343443331" ); + mpi_fromstr(b, "0x8765765589854354a4545545454554545455" + "aaaaaaa466577778decb36666343443331" ); + mpi_invm( t, a, b ); + fputc('.', stderr); fflush(stderr); + } + + + m_check(NULL); + #endif +} + |