Update head to match stable 1.0

1 files changed, 372 insertions, 0 deletions

diff --git a/g10/gpgv.c b/g10/gpgv.c
new file mode 100644
index 000000000..362f5c528
--- /dev/null
+++ b/g10/gpgv.c
@@ -0,0 +1,372 @@
+/* gpgv.c - The GnuPG signature verify utility
+ * Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of GnuPG.
+ *
+ * GnuPG 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.
+ *
+ * GnuPG 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 <ctype.h>
+#include <unistd.h>
+#ifdef HAVE_DOSISH_SYSTEM
+  #include <fcntl.h> /* for setmode() */
+#endif
+
+#define INCLUDED_BY_MAIN_MODULE 1
+#include "packet.h"
+#include "iobuf.h"
+#include "memory.h"
+#include "util.h"
+#include "main.h"
+#include "options.h"
+#include "keydb.h"
+#include "trustdb.h"
+#include "mpi.h"
+#include "cipher.h"
+#include "filter.h"
+#include "ttyio.h"
+#include "i18n.h"
+#include "status.h"
+#include "g10defs.h"
+
+
+enum cmd_and_opt_values { aNull = 0,
+    oQuiet	  = 'q',
+    oVerbose	  = 'v',
+    oBatch	  = 500,
+    oKeyring,
+    oIgnoreTimeConflict,                      
+    oStatusFD,
+    oLoggerFD,
+    oHomedir,
+aTest };
+
+
+static ARGPARSE_OPTS opts[] = {
+
+    { 301, NULL, 0, N_("@\nOptions:\n ") },
+
+    { oVerbose, "verbose",   0, N_("verbose") },
+    { oQuiet,	"quiet",     0, N_("be somewhat more quiet") },
+    { oKeyring, "keyring"   ,2, N_("take the keys from this keyring")},
+    { oIgnoreTimeConflict, "ignore-time-conflict", 0, 
+                           N_("make timestamp conflicts only a warning") },
+    { oStatusFD, "status-fd" ,1, N_("|FD|write status info to this FD") },
+    { oLoggerFD, "logger-fd",1, "@" },
+    { oHomedir, "homedir", 2, "@" },   /* defaults to "~/.gnupg" */
+
+{0} };
+
+
+
+int g10_errors_seen = 0;
+
+#ifdef __riscos__
+RISCOS_GLOBAL_STATICS("GnuPG (gpgv) Heap")
+#endif /* __riscos__ */
+
+const char *
+strusage( int level )
+{
+    const char *p;
+    switch( level ) {
+      case 11: p = "gpgv (GnuPG)";
+	break;
+      case 13: p = VERSION; break;
+      case 17: p = PRINTABLE_OS_NAME; break;
+      case 19: p =
+	    _("Please report bugs to <gnupg-bugs@gnu.org>.\n");
+	break;
+      case 1:
+      case 40:	p =
+	    _("Usage: gpgv [options] [files] (-h for help)");
+	break;
+      case 41:	p =
+	    _("Syntax: gpg [options] [files]\n"
+	      "Check signatures against known trusted keys\n");
+	break;
+
+      default:	p = default_strusage(level);
+    }
+    return p;
+}
+
+
+
+
+static void
+i18n_init(void)
+{
+  #ifdef USE_SIMPLE_GETTEXT
+    set_gettext_file( PACKAGE );
+  #else
+  #ifdef ENABLE_NLS
+    #ifdef HAVE_LC_MESSAGES
+       setlocale( LC_TIME, "" );
+       setlocale( LC_MESSAGES, "" );
+    #else
+       setlocale( LC_ALL, "" );
+    #endif
+    bindtextdomain( PACKAGE, G10_LOCALEDIR );
+    textdomain( PACKAGE );
+  #endif
+  #endif
+}
+
+
+int
+main( int argc, char **argv )
+{
+    ARGPARSE_ARGS pargs;
+    int rc=0;
+    STRLIST sl;
+    STRLIST nrings=NULL;
+    unsigned configlineno;
+
+  #ifdef __riscos__
+    riscos_global_defaults();
+  #endif /* __riscos__ */
+
+    log_set_name("gpgv");
+    init_signals();
+    i18n_init();
+    opt.command_fd = -1; /* no command fd */
+    opt.pgp2_workarounds = 1;
+    opt.keyserver_options.auto_key_retrieve = 1;
+    opt.always_trust = 1;
+    opt.batch = 1;
+
+  #if defined (__MINGW32__) || defined (__CYGWIN32__)
+    opt.homedir = read_w32_registry_string( NULL, "Software\\GNU\\GnuPG", "HomeDir" );
+  #else
+    opt.homedir = getenv("GNUPGHOME");
+  #endif
+    if( !opt.homedir || !*opt.homedir ) {
+	opt.homedir = GNUPG_HOMEDIR;
+    }
+    tty_no_terminal(1);
+    tty_batchmode(1);
+    disable_dotlock();
+    
+    pargs.argc = &argc;
+    pargs.argv = &argv;
+    pargs.flags=  1;  /* do not remove the args */
+    while( optfile_parse( NULL, NULL, &configlineno, &pargs, opts) ) {
+	switch( pargs.r_opt ) {
+	  case oQuiet: opt.quiet = 1; break;
+          case oVerbose: g10_opt_verbose++;
+		  opt.verbose++; opt.list_sigs=1; break;
+          case oKeyring: append_to_strlist( &nrings, pargs.r.ret_str); break;
+	  case oStatusFD: set_status_fd( pargs.r.ret_int ); break;
+	  case oLoggerFD: log_set_logfile( NULL, pargs.r.ret_int ); break;
+	  case oHomedir: opt.homedir = pargs.r.ret_str; break;
+	  default : pargs.err = 2; break;
+	}
+    }
+
+    if( log_get_errorcount(0) )
+	g10_exit(2);
+
+    g10_opt_homedir = opt.homedir;
+
+    if( opt.verbose > 1 )
+	set_packet_list_mode(1);
+
+    if( !nrings )  /* no keyring given: use default one */
+        keydb_add_resource ("trustedkeys" EXTSEP_S "gpg", 0, 0);
+    for(sl = nrings; sl; sl = sl->next )
+        keydb_add_resource (sl->d, 0, 0 );
+    
+    FREE_STRLIST(nrings);
+    
+    if( (rc = verify_signatures( argc, argv ) ))
+        log_error("verify signatures failed: %s\n", g10_errstr(rc) );
+
+    /* cleanup */
+    g10_exit(0);
+    return 8; /*NEVER REACHED*/
+}
+
+
+void
+g10_exit( int rc )
+{
+    rc = rc? rc : log_get_errorcount(0)? 2 :
+			g10_errors_seen? 1 : 0;
+    exit(rc );
+}
+
+
+/* Stub:
+ * We have to override the trustcheck from pkclist.c becuase 
+ * this utility assumes that all keys in the keyring are trustworthy
+ */
+int
+check_signatures_trust( PKT_signature *sig )
+{
+    return 0;
+}
+
+
+/* Stub: 
+ * We don't have the trustdb , so we have to provide some stub functions
+ * instead
+ */
+int
+get_validity_info (PKT_public_key *pk, const byte *namehash )
+{
+    return '?';
+}
+
+/* Stub: */
+int
+get_ownertrust_info (PKT_public_key *pk)
+{
+    return '?';
+}
+
+unsigned int
+get_ownertrust (PKT_public_key *pk)
+{
+    return TRUST_UNKNOWN;
+}
+
+
+/* Stub:
+ * Because we only work with trusted keys, it does not make sense to
+ * get them from a keyserver
+ */
+int
+keyserver_import_keyid( u32 *keyid, void *dummy )
+{
+    return -1;
+}
+
+/* Stub:
+ * No encryption here but mainproc links to these functions.
+ */
+int
+get_session_key( PKT_pubkey_enc *k, DEK *dek )
+{
+    return G10ERR_GENERAL;
+}
+/* Stub: */
+int
+get_override_session_key( DEK *dek, const char *string )
+{
+    return G10ERR_GENERAL;
+}
+/* Stub: */
+int
+decrypt_data( void *procctx, PKT_encrypted *ed, DEK *dek )
+{
+    return G10ERR_GENERAL;
+}
+
+
+/* Stub:
+ * No interactive commnds, so we don't need the helptexts
+ */
+void
+display_online_help( const char *keyword )
+{
+}
+
+/* Stub:
+ * We don't use secret keys, but getkey.c links to this
+ */
+int
+check_secret_key( PKT_secret_key *sk, int n )
+{
+    return G10ERR_GENERAL;
+}
+
+/* Stub:
+ * No secret key, so no passphrase needed 
+ */
+DEK *
+passphrase_to_dek( u32 *keyid, int pubkey_algo,
+		   int cipher_algo, STRING2KEY *s2k, int mode,
+                   const char *tmp)
+{
+    return NULL;
+}
+
+/* Stubs to avoid linking to photoid.c */
+void show_photos(const struct user_attribute *attrs,int count,PKT_public_key *pk) {}
+int parse_image_header(const struct user_attribute *attr,byte *type,u32 *len) {return 0;}
+char *image_type_to_string(byte type,int string) {return NULL;}
+
+/* Stubs to void linking to ../cipher/cipher.c */
+int string_to_cipher_algo( const char *string ) { return 0; }
+const char *cipher_algo_to_string( int algo ) { return "?";}
+void disable_cipher_algo( int algo ) {}
+int check_cipher_algo( int algo ) { return -1;}
+unsigned int cipher_get_keylen( int algo ) { return 0; }
+unsigned int cipher_get_blocksize( int algo ) {return 0;}
+CIPHER_HANDLE cipher_open( int algo, int mode, int secure ) { return NULL;}
+void cipher_close( CIPHER_HANDLE c ) {}
+int cipher_setkey( CIPHER_HANDLE c, byte *key, unsigned keylen ) { return -1;}
+void cipher_setiv( CIPHER_HANDLE c, const byte *iv, unsigned ivlen ){}
+void cipher_encrypt( CIPHER_HANDLE c, byte *outbuf,
+                     byte *inbuf, unsigned nbytes ) {}
+void cipher_decrypt( CIPHER_HANDLE c, byte *outbuf,
+                     byte *inbuf, unsigned nbytes ) {}
+void cipher_sync( CIPHER_HANDLE c ) {}
+
+/* Stubs to avoid linking to ../cipher/random.c */
+void random_dump_stats(void) {}
+int quick_random_gen( int onoff ) { return -1;}
+void randomize_buffer( byte *buffer, size_t length, int level ) {}
+int random_is_faked() { return -1;}
+byte *get_random_bits( size_t nbits, int level, int secure ) { return NULL;}
+void set_random_seed_file( const char *name ) {}
+void update_random_seed_file() {}
+void fast_random_poll() {}
+
+/* Stubs to avoid linking of ../cipher/primegen.c */
+void register_primegen_progress ( void (*cb)( void *, int), void *cb_data ) {}
+MPI generate_secret_prime( unsigned  nbits ) { return NULL;}
+MPI generate_public_prime( unsigned  nbits ) { return NULL;}
+MPI generate_elg_prime( int mode, unsigned pbits, unsigned qbits,
+                        MPI g, MPI **ret_factors ) { return NULL;}
+
+/* Do not link to ../cipher/rndlinux.c */
+void rndlinux_constructor(void) {}
+
+
+/* Stubs to avoid linking to ../util/ttyio.c */
+int tty_batchmode( int onoff ) { return 0; }
+void tty_printf( const char *fmt, ... ) { }
+void tty_print_string( byte *p, size_t n ) { }
+void tty_print_utf8_string( byte *p, size_t n ) {}
+void tty_print_utf8_string2( byte *p, size_t n, size_t max_n ) {}
+char *tty_get( const char *prompt ) { return NULL;}
+char *tty_get_hidden( const char *prompt ) {return NULL; }
+void tty_kill_prompt(void) {}
+int tty_get_answer_is_yes( const char *prompt ) {return 0;}
+int tty_no_terminal(int onoff) {return 0;}
+
+/* We do not do any locking, so use these stubs here */
+void disable_dotlock(void) {}
+DOTLOCK create_dotlock( const char *file_to_lock ) { return NULL; }
+int make_dotlock( DOTLOCK h, long timeout ) { return 0;}
+int release_dotlock( DOTLOCK h ) {return 0;}
+void remove_lockfiles(void) {}