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gpg: Auto-migrate existing secring.gpg.
* g10/migrate.c: New. * g10/import.c (import_old_secring): New. (import_one): Add arg silent. (transfer_secret_keys): Add arg batch. (import_secret_one): Add args batch and for_migration. * g10/gpg.c (main): Call migration function.
This commit is contained in:
Werner Koch
parent
09a2d4ec74
commit
4f0625889b
29
README
29
README
@ -85,21 +85,10 @@ MIGRATION FROM 1.4 or 2.0 to 2.1
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The major change in 2.1 is gpg-agent taking care of the OpenPGP secret
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keys (those managed by GPG). The former file "secring.gpg" will not
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be used anymore. Newly generated keys are stored in the agent's key
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store directory "~/.gnupg/private-keys-v1.d/".
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To migrate your existing keys you need to run the command
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gpg2 --batch --import ~/.gnupg/secring.gpg
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Secret keys already imported are skipped by this command. It is
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advisable to keep the secring.gpg for use with older versions of GPG.
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The use of "--batch" with "--import" is highly recommended. If you do
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not use "--batch" the agent would ask for the passphrase of each key.
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In this case you may use the Cancel button of the Pinentry to skip
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importing this key. If you want to stop the enite import process and
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you use a decent version of Pinentry, you should close the Pinentry
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window instead of hitting the Cancel button.
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store directory "~/.gnupg/private-keys-v1.d/". The first time gpg
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needs a secret key it checks whether a "secring.gpg" exists and
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copies them to the new store. The old secring.gpg is kept for use by
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older versions of gpg.
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Note that gpg-agent now uses a fixed socket by default. All tools
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will start the gpg-agent as needed. In general there is no more need
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@ -111,11 +100,11 @@ of the card related sub-commands of --edit-key are not yet fully
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supported. However, signing and decryption with a smartcard does
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work.
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The Dirmngr is now part of GnuPG proper. Thus there is no more need
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to install the separate dirmngr package. The directroy layout of
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Dirmngr changed to make use of the GnuPG directories; for example you
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use /etc/gnupg/trusted-certs and /var/lib/gnupg/extra-certs. Dirmngr
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needs to be started as a system daemon.
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The Dirmngr is now part of GnuPG proper and also used to access
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OpenPGP keyservers. The directroy layout of Dirmngr changed to make
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use of the GnuPG directories. Dirmngr is started by gpg or gpgsm as
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needed needed. There is no more need to install a separate dirmngr
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package.
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30
doc/gpg.texi
30
doc/gpg.texi
@ -3042,18 +3042,33 @@ files; They all live in in the current home directory (@pxref{option
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@table @file
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@item ~/.gnupg/secring.gpg
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The secret keyring. You should backup this file.
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@item ~/.gnupg/secring.gpg.lock
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The lock file for the secret keyring.
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@item ~/.gnupg/pubring.gpg
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The public keyring. You should backup this file.
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@item ~/.gnupg/pubring.gpg.lock
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The lock file for the public keyring.
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@ifset gpgtwoone
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@item ~/.gnupg/pubring.kbx
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The public keyring using a different format. This file is sharred
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with @command{gpgsm}. You should backup this file.
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@item ~/.gnupg/pubring.kbx.lock
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The lock file for @file{pubring.kbx}.
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@end ifset
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@item ~/.gnupg/secring.gpg
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@ifclear gpgtwoone
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The secret keyring. You should backup this file.
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@end ifclear
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@ifset gpgtwoone
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A secret keyring as used by GnuPG versions before 2.1. It is not
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used by GnuPG 2.1 and later.
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@item ~/.gnupg/.gpg-v21-migrated
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File indicating that a migration to GnuPG 2.1 has taken place.
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@end ifset
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@item ~/.gnupg/trustdb.gpg
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The trust database. There is no need to backup this file; it is better
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to backup the ownertrust values (@pxref{option --export-ownertrust}).
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@ -3064,6 +3079,9 @@ files; They all live in in the current home directory (@pxref{option
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@item ~/.gnupg/random_seed
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A file used to preserve the state of the internal random pool.
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@item ~/.gnupg/secring.gpg.lock
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The lock file for the secret keyring.
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@item /usr[/local]/share/gnupg/options.skel
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The skeleton options file.
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@ -110,6 +110,7 @@ gpg2_SOURCES = gpg.c \
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dearmor.c \
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import.c \
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export.c \
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migrate.c \
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delkey.c \
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keygen.c \
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helptext.c \
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37
g10/gpg.c
37
g10/gpg.c
@ -3594,6 +3594,43 @@ main (int argc, char **argv)
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break;
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}
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/* Check for certain command whether we need to migrate a
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secring.gpg to the gpg-agent. */
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switch (cmd)
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{
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case aListSecretKeys:
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case aSign:
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case aSignEncr:
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case aSignEncrSym:
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case aSignSym:
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case aClearsign:
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case aDecrypt:
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case aSignKey:
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case aLSignKey:
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case aEditKey:
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case aPasswd:
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case aDeleteSecretKeys:
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case aDeleteSecretAndPublicKeys:
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case aKeygen:
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case aImport:
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case aExportSecret:
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case aExportSecretSub:
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case aGenRevoke:
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case aDesigRevoke:
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case aCardEdit:
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case aChangePIN:
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migrate_secring (ctrl);
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break;
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case aListKeys:
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if (opt.with_secret)
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migrate_secring (ctrl);
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break;
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default:
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break;
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}
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/* The command dispatcher. */
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switch( cmd )
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{
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case aServer:
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140
g10/import.c
140
g10/import.c
@ -1,6 +1,7 @@
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/* import.c - import a key into our key storage.
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* Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
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* 2007, 2010, 2011 Free Software Foundation, Inc.
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* Copyright (C) 2014 Werner Koch
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*
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* This file is part of GnuPG.
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*
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@ -68,9 +69,10 @@ static void revocation_present (ctrl_t ctrl, kbnode_t keyblock);
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static int import_one (ctrl_t ctrl,
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const char *fname, KBNODE keyblock,struct stats_s *stats,
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unsigned char **fpr,size_t *fpr_len,
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unsigned int options,int from_sk);
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unsigned int options,int from_sk, int silent);
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static int import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
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struct stats_s *stats, unsigned int options);
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struct stats_s *stats, int batch,
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unsigned int options, int for_migration);
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static int import_revoke_cert( const char *fname, KBNODE node,
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struct stats_s *stats);
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static int chk_self_sigs( const char *fname, KBNODE keyblock,
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@ -227,6 +229,7 @@ import_keys_internal (ctrl_t ctrl, iobuf_t inp, char **fnames, int nnames,
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return rc;
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}
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void
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import_keys (ctrl_t ctrl, char **fnames, int nnames,
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void *stats_handle, unsigned int options )
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@ -293,9 +296,10 @@ import (ctrl_t ctrl, IOBUF inp, const char* fname,struct stats_s *stats,
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while( !(rc = read_block( inp, &pending_pkt, &keyblock) )) {
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if( keyblock->pkt->pkttype == PKT_PUBLIC_KEY )
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rc = import_one (ctrl, fname, keyblock,
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stats, fpr, fpr_len, options, 0);
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stats, fpr, fpr_len, options, 0, 0);
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else if( keyblock->pkt->pkttype == PKT_SECRET_KEY )
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rc = import_secret_one (ctrl, fname, keyblock, stats, options);
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rc = import_secret_one (ctrl, fname, keyblock, stats,
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opt.batch, options, 0);
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else if( keyblock->pkt->pkttype == PKT_SIGNATURE
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&& keyblock->pkt->pkt.signature->sig_class == 0x20 )
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rc = import_revoke_cert( fname, keyblock, stats );
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@ -320,6 +324,57 @@ import (ctrl_t ctrl, IOBUF inp, const char* fname,struct stats_s *stats,
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}
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/* Helper to migrate secring.gpg to GnuPG 2.1. */
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gpg_error_t
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import_old_secring (ctrl_t ctrl, const char *fname)
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{
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gpg_error_t err;
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iobuf_t inp;
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PACKET *pending_pkt = NULL;
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kbnode_t keyblock = NULL; /* Need to initialize because gcc can't
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grasp the return semantics of
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read_block. */
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struct stats_s *stats;
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inp = iobuf_open (fname);
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if (inp && is_secured_file (iobuf_get_fd (inp)))
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{
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iobuf_close (inp);
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inp = NULL;
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gpg_err_set_errno (EPERM);
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}
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if (!inp)
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{
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err = gpg_error_from_syserror ();
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log_error (_("can't open '%s': %s\n"), fname, gpg_strerror (err));
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return err;
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}
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getkey_disable_caches();
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stats = import_new_stats_handle ();
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while (!(err = read_block (inp, &pending_pkt, &keyblock)))
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{
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if (keyblock->pkt->pkttype == PKT_SECRET_KEY)
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err = import_secret_one (ctrl, fname, keyblock, stats, 1, 0, 1);
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release_kbnode (keyblock);
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if (err)
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break;
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}
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import_release_stats_handle (stats);
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if (err == -1)
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err = 0;
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else if (err && gpg_err_code (err) != G10ERR_INV_KEYRING)
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log_error (_("error reading '%s': %s\n"), fname, gpg_strerror (err));
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else if (err)
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log_error ("import from '%s' failed: %s\n", fname, gpg_strerror (err));
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iobuf_close (inp);
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iobuf_ioctl (NULL, IOBUF_IOCTL_INVALIDATE_CACHE, 0, (char*)fname);
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return err;
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}
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void
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import_print_stats (void *hd)
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{
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@ -771,16 +826,17 @@ check_prefs (ctrl_t ctrl, kbnode_t keyblock)
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}
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/****************
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* Try to import one keyblock. Return an error only in serious cases, but
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* never for an invalid keyblock. It uses log_error to increase the
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* internal errorcount, so that invalid input can be detected by programs
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* which called gpg.
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* Try to import one keyblock. Return an error only in serious cases,
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* but never for an invalid keyblock. It uses log_error to increase
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* the internal errorcount, so that invalid input can be detected by
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* programs which called gpg. If SILENT is no messages are printed -
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* even most error messages are suppressed.
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*/
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static int
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import_one (ctrl_t ctrl,
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const char *fname, KBNODE keyblock, struct stats_s *stats,
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unsigned char **fpr,size_t *fpr_len,unsigned int options,
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int from_sk )
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int from_sk, int silent)
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{
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PKT_public_key *pk;
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PKT_public_key *pk_orig;
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@ -804,7 +860,7 @@ import_one (ctrl_t ctrl,
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keyid_from_pk( pk, keyid );
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uidnode = find_next_kbnode( keyblock, PKT_USER_ID );
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if( opt.verbose && !opt.interactive )
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if (opt.verbose && !opt.interactive && !silent)
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{
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log_info( "pub %s/%s %s ",
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pubkey_string (pk, pkstrbuf, sizeof pkstrbuf),
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@ -819,11 +875,12 @@ import_one (ctrl_t ctrl,
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if( !uidnode )
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{
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log_error( _("key %s: no user ID\n"), keystr_from_pk(pk));
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if (!silent)
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log_error( _("key %s: no user ID\n"), keystr_from_pk(pk));
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return 0;
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}
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if (opt.interactive) {
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if (opt.interactive && !silent) {
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if(is_status_enabled())
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print_import_check (pk, uidnode->pkt->pkt.user_id);
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merge_keys_and_selfsig (keyblock);
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@ -856,7 +913,7 @@ import_one (ctrl_t ctrl,
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return rc== -1? 0:rc;
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/* If we allow such a thing, mark unsigned uids as valid */
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if( opt.allow_non_selfsigned_uid )
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if( opt.allow_non_selfsigned_uid)
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for( node=keyblock; node; node = node->next )
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if( node->pkt->pkttype == PKT_USER_ID && !(node->flag & 1) )
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{
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@ -869,9 +926,11 @@ import_one (ctrl_t ctrl,
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}
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if( !delete_inv_parts( fname, keyblock, keyid, options ) ) {
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log_error( _("key %s: no valid user IDs\n"), keystr_from_pk(pk));
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if( !opt.quiet )
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log_info(_("this may be caused by a missing self-signature\n"));
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if (!silent) {
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log_error( _("key %s: no valid user IDs\n"), keystr_from_pk(pk));
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if( !opt.quiet )
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log_info(_("this may be caused by a missing self-signature\n"));
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}
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stats->no_user_id++;
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return 0;
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}
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@ -881,12 +940,13 @@ import_one (ctrl_t ctrl,
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rc = get_pubkey_fast ( pk_orig, keyid );
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if( rc && rc != G10ERR_NO_PUBKEY && rc != G10ERR_UNU_PUBKEY )
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{
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log_error( _("key %s: public key not found: %s\n"),
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keystr(keyid), g10_errstr(rc));
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if (!silent)
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log_error (_("key %s: public key not found: %s\n"),
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keystr(keyid), g10_errstr(rc));
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}
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else if ( rc && (opt.import_options&IMPORT_MERGE_ONLY) )
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{
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if( opt.verbose )
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if( opt.verbose && !silent )
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log_info( _("key %s: new key - skipped\n"), keystr(keyid));
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rc = 0;
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stats->skipped_new_keys++;
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@ -896,7 +956,7 @@ import_one (ctrl_t ctrl,
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rc = keydb_locate_writable (hd, NULL);
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if (rc) {
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log_error (_("no writable keyring found: %s\n"), g10_errstr (rc));
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log_error (_("no writable keyring found: %s\n"), g10_errstr (rc));
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keydb_release (hd);
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return G10ERR_GENERAL;
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}
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@ -921,7 +981,7 @@ import_one (ctrl_t ctrl,
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keydb_release (hd);
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/* we are ready */
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if( !opt.quiet )
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if( !opt.quiet && !silent)
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{
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char *p=get_user_id_native (keyid);
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log_info( _("key %s: public key \"%s\" imported\n"),
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@ -948,7 +1008,8 @@ import_one (ctrl_t ctrl,
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* weird is going on */
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if( cmp_public_keys( pk_orig, pk ) )
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{
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log_error( _("key %s: doesn't match our copy\n"),keystr(keyid));
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if (!silent)
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log_error( _("key %s: doesn't match our copy\n"),keystr(keyid));
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goto leave;
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}
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@ -1011,7 +1072,7 @@ import_one (ctrl_t ctrl,
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revalidation_mark ();
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/* we are ready */
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if( !opt.quiet )
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if( !opt.quiet && !silent)
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{
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char *p=get_user_id_native(keyid);
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if( n_uids == 1 )
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@ -1053,7 +1114,7 @@ import_one (ctrl_t ctrl,
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stats->n_sigs_cleaned +=n_sigs_cleaned;
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stats->n_uids_cleaned +=n_uids_cleaned;
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if (is_status_enabled ())
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if (is_status_enabled () && !silent)
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print_import_ok (pk, ((n_uids?2:0)|(n_sigs?4:0)|(n_subk?8:0)));
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}
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else
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@ -1062,7 +1123,7 @@ import_one (ctrl_t ctrl,
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if (is_status_enabled ())
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print_import_ok (pk, 0);
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if( !opt.quiet )
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if( !opt.quiet && !silent)
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{
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char *p=get_user_id_native(keyid);
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log_info( _("key %s: \"%s\" not changed\n"),keystr(keyid),p);
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@ -1129,9 +1190,12 @@ import_one (ctrl_t ctrl,
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/* Transfer all the secret keys in SEC_KEYBLOCK to the gpg-agent. The
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function prints diagnostics and returns an error code. */
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function prints diagnostics and returns an error code. If BATCH is
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true the secret keys are stored by gpg-agent in the transfer format
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(i.e. no re-protection and aksing for passphrases). */
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static gpg_error_t
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transfer_secret_keys (ctrl_t ctrl, struct stats_s *stats, kbnode_t sec_keyblock)
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transfer_secret_keys (ctrl_t ctrl, struct stats_s *stats, kbnode_t sec_keyblock,
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int batch)
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{
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gpg_error_t err = 0;
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void *kek = NULL;
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@ -1358,7 +1422,7 @@ transfer_secret_keys (ctrl_t ctrl, struct stats_s *stats, kbnode_t sec_keyblock)
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{
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char *desc = gpg_format_keydesc (pk, FORMAT_KEYDESC_IMPORT, 1);
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err = agent_import_key (ctrl, desc, &cache_nonce,
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wrappedkey, wrappedkeylen, opt.batch);
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wrappedkey, wrappedkeylen, batch);
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xfree (desc);
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}
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if (!err)
|
||||
@ -1454,7 +1518,8 @@ sec_to_pub_keyblock (kbnode_t sec_keyblock)
|
||||
*/
|
||||
static int
|
||||
import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
struct stats_s *stats, unsigned int options)
|
||||
struct stats_s *stats, int batch, unsigned int options,
|
||||
int for_migration)
|
||||
{
|
||||
PKT_public_key *pk;
|
||||
struct seckey_info *ski;
|
||||
@ -1475,7 +1540,7 @@ import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
keyid_from_pk (pk, keyid);
|
||||
uidnode = find_next_kbnode (keyblock, PKT_USER_ID);
|
||||
|
||||
if (opt.verbose)
|
||||
if (opt.verbose && !for_migration)
|
||||
{
|
||||
log_info ("sec %s/%s %s ",
|
||||
pubkey_string (pk, pkstrbuf, sizeof pkstrbuf),
|
||||
@ -1489,13 +1554,15 @@ import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
|
||||
if ((options & IMPORT_NO_SECKEY))
|
||||
{
|
||||
log_error (_("importing secret keys not allowed\n"));
|
||||
if (!for_migration)
|
||||
log_error (_("importing secret keys not allowed\n"));
|
||||
return 0;
|
||||
}
|
||||
|
||||
if (!uidnode)
|
||||
{
|
||||
log_error( _("key %s: no user ID\n"), keystr_from_pk (pk));
|
||||
if (!for_migration)
|
||||
log_error( _("key %s: no user ID\n"), keystr_from_pk (pk));
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1511,8 +1578,9 @@ import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
cipher algorithm (only checks the primary key, though). */
|
||||
if (ski->algo > 110)
|
||||
{
|
||||
log_error (_("key %s: secret key with invalid cipher %d"
|
||||
" - skipped\n"), keystr_from_pk (pk), ski->algo);
|
||||
if (!for_migration)
|
||||
log_error (_("key %s: secret key with invalid cipher %d"
|
||||
" - skipped\n"), keystr_from_pk (pk), ski->algo);
|
||||
return 0;
|
||||
}
|
||||
|
||||
@ -1542,7 +1610,7 @@ import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
public key block, and below we will output another one for
|
||||
the secret keys. FIXME? */
|
||||
import_one (ctrl, fname, pub_keyblock, stats,
|
||||
NULL, NULL, options, 1);
|
||||
NULL, NULL, options, 1, for_migration);
|
||||
|
||||
/* Fixme: We should check for an invalid keyblock and
|
||||
cancel the secret key import in this case. */
|
||||
@ -1564,7 +1632,7 @@ import_secret_one (ctrl_t ctrl, const char *fname, KBNODE keyblock,
|
||||
else
|
||||
{
|
||||
nr_prev = stats->secret_imported;
|
||||
if (!transfer_secret_keys (ctrl, stats, keyblock))
|
||||
if (!transfer_secret_keys (ctrl, stats, keyblock, batch))
|
||||
{
|
||||
int status = 16;
|
||||
if (!opt.quiet)
|
||||
|
||||
@ -290,6 +290,7 @@ int import_keys_stream (ctrl_t ctrl, iobuf_t inp, void *stats_hd,
|
||||
int import_keys_es_stream (ctrl_t ctrl, estream_t fp, void *stats_handle,
|
||||
unsigned char **fpr, size_t *fpr_len,
|
||||
unsigned int options);
|
||||
gpg_error_t import_old_secring (ctrl_t ctrl, const char *fname);
|
||||
void *import_new_stats_handle (void);
|
||||
void import_release_stats_handle (void *p);
|
||||
void import_print_stats (void *hd);
|
||||
@ -379,4 +380,8 @@ int card_store_subkey (KBNODE node, int use);
|
||||
|
||||
#define S2K_DECODE_COUNT(_val) ((16ul + ((_val) & 15)) << (((_val) >> 4) + 6))
|
||||
|
||||
/*-- migrate.c --*/
|
||||
void migrate_secring (ctrl_t ctrl);
|
||||
|
||||
|
||||
#endif /*G10_MAIN_H*/
|
||||
|
||||
94
g10/migrate.c
Normal file
94
g10/migrate.c
Normal file
@ -0,0 +1,94 @@
|
||||
/* migrate.c - Migrate from earlier GnupG versions.
|
||||
* Copyright (C) 2014 Werner Koch
|
||||
*
|
||||
* 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 3 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, see <http://www.gnu.org/licenses/>.
|
||||
*/
|
||||
|
||||
#include <config.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <errno.h>
|
||||
#include <assert.h>
|
||||
|
||||
#include "gpg.h"
|
||||
#include "options.h"
|
||||
#include "keydb.h"
|
||||
#include "util.h"
|
||||
#include "main.h"
|
||||
|
||||
|
||||
#ifdef HAVE_DOSISH_SYSTEM
|
||||
# define V21_MIGRATION_FNAME "gpg-v21-migrated"
|
||||
#else
|
||||
# define V21_MIGRATION_FNAME ".gpg-v21-migrated"
|
||||
#endif
|
||||
|
||||
|
||||
/* Check whether a default secring.gpg from GnuPG < 2.1 exists and
|
||||
import it if not yet done. */
|
||||
void
|
||||
migrate_secring (ctrl_t ctrl)
|
||||
{
|
||||
dotlock_t lockhd = NULL;
|
||||
char *secring = NULL;
|
||||
char *flagfile = NULL;
|
||||
|
||||
secring = make_filename (opt.homedir, "secring" EXTSEP_S "gpg", NULL);
|
||||
if (access (secring, F_OK))
|
||||
goto leave; /* Does not exist or is not readable. */
|
||||
flagfile = make_filename (opt.homedir, V21_MIGRATION_FNAME, NULL);
|
||||
if (!access (flagfile, F_OK))
|
||||
goto leave; /* Does exist - fine. */
|
||||
|
||||
log_info ("starting migration from earlier GnuPG versions\n");
|
||||
|
||||
lockhd = dotlock_create (flagfile, 0);
|
||||
if (!lockhd)
|
||||
{
|
||||
log_error ("can't allocate lock for '%s': %s\n",
|
||||
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
||||
goto leave;
|
||||
}
|
||||
if (dotlock_take (lockhd, -1))
|
||||
{
|
||||
log_error ("can't lock '%s': %s\n",
|
||||
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
||||
dotlock_destroy (lockhd);
|
||||
lockhd = NULL;
|
||||
goto leave;
|
||||
}
|
||||
|
||||
log_info ("porting secret keys from '%s' to gpg-agent\n", secring);
|
||||
if (!import_old_secring (ctrl, secring))
|
||||
{
|
||||
FILE *fp = fopen (flagfile, "w");
|
||||
if (!fp || fclose (fp))
|
||||
log_error ("error creating flag file '%s': %s\n",
|
||||
flagfile, gpg_strerror (gpg_error_from_syserror ()));
|
||||
else
|
||||
log_info ("migration succeeded\n");
|
||||
}
|
||||
|
||||
leave:
|
||||
if (lockhd)
|
||||
{
|
||||
dotlock_release (lockhd);
|
||||
dotlock_destroy (lockhd);
|
||||
}
|
||||
xfree (flagfile);
|
||||
xfree (secring);
|
||||
}
|
||||
Loading…
x
Reference in New Issue
Block a user