1
0
mirror of git://git.gnupg.org/gnupg.git synced 2024-12-23 10:29:58 +01:00
gnupg/tools/gpg-wks-client.c

Ignoring revisions in .git-blame-ignore-revs. Click here to bypass and see the normal blame view.

2058 lines
56 KiB
C
Raw Normal View History

/* gpg-wks-client.c - A client for the Web Key Service protocols.
* Copyright (C) 2016, 2022 g10 Code GmbH
* Copyright (C) 2016 Bundesamt für Sicherheit in der Informationstechnik
*
* This file is part of GnuPG.
*
* This file is free software; you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This file 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, see <https://www.gnu.org/licenses/>.
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
* SPDX-License-Identifier: LGPL-2.1-or-later
*/
#include <config.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#define INCLUDED_BY_MAIN_MODULE 1
#include "../common/util.h"
#include "../common/status.h"
#include "../common/i18n.h"
#include "../common/sysutils.h"
#include "../common/init.h"
#include "../common/asshelp.h"
#include "../common/userids.h"
#include "../common/ccparray.h"
#include "../common/exectool.h"
#include "../common/mbox-util.h"
#include "../common/name-value.h"
#include "call-dirmngr.h"
#include "mime-maker.h"
#include "send-mail.h"
#include "gpg-wks.h"
/* Constants to identify the commands and options. */
enum cmd_and_opt_values
{
aNull = 0,
oQuiet = 'q',
oVerbose = 'v',
oOutput = 'o',
oDirectory = 'C',
oDebug = 500,
aSupported,
aCheck,
aCreate,
aReceive,
aRead,
aMirror,
aInstallKey,
aRemoveKey,
aPrintWKDHash,
aPrintWKDURL,
oGpgProgram,
oSend,
oFakeSubmissionAddr,
oStatusFD,
oWithColons,
oBlacklist,
oNoAutostart,
oAddRevocs,
oNoAddRevocs,
oDummy
};
/* The list of commands and options. */
static ARGPARSE_OPTS opts[] = {
ARGPARSE_group (300, ("@Commands:\n ")),
ARGPARSE_c (aSupported, "supported",
("check whether provider supports WKS")),
ARGPARSE_c (aCheck, "check",
("check whether a key is available")),
ARGPARSE_c (aCreate, "create",
("create a publication request")),
ARGPARSE_c (aReceive, "receive",
("receive a MIME confirmation request")),
ARGPARSE_c (aRead, "read",
("receive a plain text confirmation request")),
ARGPARSE_c (aMirror, "mirror",
"mirror an LDAP directory"),
ARGPARSE_c (aInstallKey, "install-key",
"install a key into a directory"),
ARGPARSE_c (aRemoveKey, "remove-key",
"remove a key from a directory"),
ARGPARSE_c (aPrintWKDHash, "print-wkd-hash",
"print the WKD identifier for the given user ids"),
ARGPARSE_c (aPrintWKDURL, "print-wkd-url",
"print the WKD URL for the given user id"),
ARGPARSE_group (301, ("@\nOptions:\n ")),
ARGPARSE_s_n (oVerbose, "verbose", ("verbose")),
ARGPARSE_s_n (oQuiet, "quiet", ("be somewhat more quiet")),
ARGPARSE_s_s (oDebug, "debug", "@"),
ARGPARSE_s_s (oGpgProgram, "gpg", "@"),
ARGPARSE_s_n (oSend, "send", "send the mail using sendmail"),
ARGPARSE_s_s (oOutput, "output", "|FILE|write the mail to FILE"),
ARGPARSE_s_i (oStatusFD, "status-fd", N_("|FD|write status info to this FD")),
ARGPARSE_s_n (oNoAutostart, "no-autostart", "@"),
ARGPARSE_s_n (oWithColons, "with-colons", "@"),
ARGPARSE_s_s (oBlacklist, "blacklist", "@"),
ARGPARSE_s_s (oDirectory, "directory", "@"),
ARGPARSE_s_n (oAddRevocs, "add-revocs", "add revocation certificates"),
ARGPARSE_s_n (oNoAddRevocs, "no-add-revocs", "do not add revocation certificates"),
ARGPARSE_s_s (oFakeSubmissionAddr, "fake-submission-addr", "@"),
ARGPARSE_end ()
};
/* The list of supported debug flags. */
static struct debug_flags_s debug_flags [] =
{
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
{ DBG_MIME_VALUE , "mime" },
{ DBG_PARSER_VALUE , "parser" },
{ DBG_CRYPTO_VALUE , "crypto" },
{ DBG_MEMORY_VALUE , "memory" },
{ DBG_MEMSTAT_VALUE, "memstat" },
{ DBG_IPC_VALUE , "ipc" },
{ DBG_EXTPROG_VALUE, "extprog" },
{ 0, NULL }
};
/* Value of the option --fake-submission-addr. */
const char *fake_submission_addr;
/* An array with blacklisted addresses and its length. Use
* is_in_blacklist to check. */
static char **blacklist_array;
static size_t blacklist_array_len;
static void wrong_args (const char *text) GPGRT_ATTR_NORETURN;
static void add_blacklist (const char *fname);
static gpg_error_t proc_userid_from_stdin (gpg_error_t (*func)(const char *),
const char *text);
static gpg_error_t command_supported (char *userid);
static gpg_error_t command_check (char *userid);
static gpg_error_t command_create (const char *fingerprint, const char *userid);
static gpg_error_t encrypt_response (estream_t *r_output, estream_t input,
const char *addrspec,
const char *fingerprint);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
static gpg_error_t read_confirmation_request (estream_t msg);
static gpg_error_t command_receive_cb (void *opaque,
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
const char *mediatype, estream_t fp,
unsigned int flags);
static gpg_error_t command_mirror (char *domain[]);
/* Print usage information and provide strings for help. */
static const char *
my_strusage( int level )
{
const char *p;
switch (level)
{
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
case 9: p = "LGPL-2.1-or-later"; break;
case 11: p = "gpg-wks-client"; break;
case 12: p = "@GNUPG@"; break;
case 13: p = VERSION; break;
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
case 14: p = GNUPG_DEF_COPYRIGHT_LINE; break;
case 17: p = PRINTABLE_OS_NAME; break;
case 19: p = ("Please report bugs to <@EMAIL@>.\n"); break;
case 1:
case 40:
p = ("Usage: gpg-wks-client [command] [options] [args] (-h for help)");
break;
case 41:
p = ("Syntax: gpg-wks-client [command] [options] [args]\n"
"Client for the Web Key Service\n");
break;
default: p = NULL; break;
}
return p;
}
static void
wrong_args (const char *text)
{
es_fprintf (es_stderr, _("usage: %s [options] %s\n"), strusage (11), text);
exit (2);
}
/* Command line parsing. */
static enum cmd_and_opt_values
parse_arguments (ARGPARSE_ARGS *pargs, ARGPARSE_OPTS *popts)
{
enum cmd_and_opt_values cmd = 0;
int no_more_options = 0;
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
while (!no_more_options && gnupg_argparse (NULL, pargs, popts))
{
switch (pargs->r_opt)
{
case oQuiet: opt.quiet = 1; break;
case oVerbose: opt.verbose++; break;
case oDebug:
if (parse_debug_flag (pargs->r.ret_str, &opt.debug, debug_flags))
{
pargs->r_opt = ARGPARSE_INVALID_ARG;
pargs->err = ARGPARSE_PRINT_ERROR;
}
break;
case oGpgProgram:
opt.gpg_program = pargs->r.ret_str;
break;
case oDirectory:
opt.directory = pargs->r.ret_str;
break;
case oSend:
opt.use_sendmail = 1;
break;
case oOutput:
opt.output = pargs->r.ret_str;
break;
case oFakeSubmissionAddr:
fake_submission_addr = pargs->r.ret_str;
break;
case oStatusFD:
wks_set_status_fd (translate_sys2libc_fd_int (pargs->r.ret_int, 1));
break;
case oWithColons:
opt.with_colons = 1;
break;
case oNoAutostart:
opt.no_autostart = 1;
break;
case oBlacklist:
add_blacklist (pargs->r.ret_str);
break;
case oAddRevocs:
opt.add_revocs = 1;
break;
case oNoAddRevocs:
opt.add_revocs = 0;
break;
case aSupported:
case aCreate:
case aReceive:
case aRead:
case aCheck:
case aMirror:
case aInstallKey:
case aRemoveKey:
case aPrintWKDHash:
case aPrintWKDURL:
cmd = pargs->r_opt;
break;
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
default: pargs->err = ARGPARSE_PRINT_ERROR; break;
}
}
return cmd;
}
/* gpg-wks-client main. */
int
main (int argc, char **argv)
{
gpg_error_t err, delayed_err;
ARGPARSE_ARGS pargs;
enum cmd_and_opt_values cmd;
gnupg_reopen_std ("gpg-wks-client");
set_strusage (my_strusage);
log_set_prefix ("gpg-wks-client", GPGRT_LOG_WITH_PREFIX);
/* Make sure that our subsystems are ready. */
i18n_init();
init_common_subsystems (&argc, &argv);
assuan_set_gpg_err_source (GPG_ERR_SOURCE_DEFAULT);
setup_libassuan_logging (&opt.debug, NULL);
opt.add_revocs = 1; /* Default add revocation certs. */
/* Parse the command line. */
pargs.argc = &argc;
pargs.argv = &argv;
pargs.flags = ARGPARSE_FLAG_KEEP;
cmd = parse_arguments (&pargs, opts);
Backport of the new option parser from 2.3 * configure.ac (GPGRT_ENABLE_ARGPARSE_MACROS): Define. * common/argparse.c, common/argparse.h: Rewrite. * tests/gpgscm/main.c: Switch to the new option parser. * g10/gpg.c: Switch to the new option parser and enable a global conf file. * g10/gpgv.c: Ditto. * agent/gpg-agent.c: Ditto. * agent/preset-passphrase.c: Ditto. * agent/protect-tool.c: Ditto. * scd/scdaemon.c: Ditto. * dirmngr/dirmngr.c: Ditto. * dirmngr/dirmngr_ldap.c: Ditto * dirmngr/dirmngr-client.c: Ditto. * kbx/kbxutil.c: Ditto. * tools/gpg-card.c: Ditto. * tools/gpg-check-pattern.c: Ditto. * tools/gpg-connect-agent.c: Ditto. * tools/gpg-pair-tool.c: Ditto. * tools/gpg-wks-client.c: Ditto. * tools/gpg-wks-server.c: Ditto. * tools/gpgconf.c: Ditto. * tools/gpgsplit.c: Ditto. * tools/gpgtar.c: Ditto. * g13/g13.c: Ditto. * g13/g13-syshelp.c: Ditto. Do not force verbose mode. * sm/gpgsm.c: Ditto. Add option --no-options. -- This is backport from master commit cdbe10b762f38449b86da69076209324b0c99982 commit ba463128ce65a0f347643f7246a8e097c5be19f1 commit 3bc004decd289810bc1b6ad6fb8f47e45c770ce6 commit 2c823bd878fcdbcc4f6c34993e1d0539d9a6b237 commit 0e8f6e2aa98c212442001036fb5178cd6cd8af59 but without changing all functions names to gpgrt. Instead we use wrapper functions which, when building against old Libgpg-error versions, are implemented in argparse.c using code from the current libgpg-error. This allows to keep the dependency requirement at libgpg-error 1.27 to support older distributions. Tested builds against 1.27 and 1.40-beta. Note that g13-syshelp does not anymore default to --verbose because that can now be enabled in /etc/gnupg/g13-syshelp.conf. GnuPG-bug-id: 4788 Signed-off-by: Werner Koch <wk@gnupg.org>
2020-12-04 11:51:48 +01:00
gnupg_argparse (NULL, &pargs, NULL);
if (log_get_errorcount (0))
exit (2);
/* Print a warning if an argument looks like an option. */
if (!opt.quiet && !(pargs.flags & ARGPARSE_FLAG_STOP_SEEN))
{
int i;
for (i=0; i < argc; i++)
if (argv[i][0] == '-' && argv[i][1] == '-')
log_info (("NOTE: '%s' is not considered an option\n"), argv[i]);
}
/* Set defaults for non given options. */
if (!opt.gpg_program)
opt.gpg_program = gnupg_module_name (GNUPG_MODULE_NAME_GPG);
if (!opt.directory)
opt.directory = "openpgpkey";
/* Tell call-dirmngr what options we want. */
set_dirmngr_options (opt.verbose, (opt.debug & DBG_IPC_VALUE),
!opt.no_autostart);
/* Check that the top directory exists. */
if (cmd == aInstallKey || cmd == aRemoveKey || cmd == aMirror)
{
struct stat sb;
if (gnupg_stat (opt.directory, &sb))
{
err = gpg_error_from_syserror ();
log_error ("error accessing directory '%s': %s\n",
opt.directory, gpg_strerror (err));
goto leave;
}
if (!S_ISDIR(sb.st_mode))
{
log_error ("error accessing directory '%s': %s\n",
opt.directory, "not a directory");
err = gpg_error (GPG_ERR_ENOENT);
goto leave;
}
}
/* Run the selected command. */
switch (cmd)
{
case aSupported:
if (opt.with_colons)
{
for (; argc; argc--, argv++)
command_supported (*argv);
err = 0;
}
else
{
if (argc != 1)
wrong_args ("--supported DOMAIN");
err = command_supported (argv[0]);
if (err && gpg_err_code (err) != GPG_ERR_FALSE)
log_error ("checking support failed: %s\n", gpg_strerror (err));
}
break;
case aCreate:
if (argc != 2)
wrong_args ("--create FINGERPRINT USER-ID");
err = command_create (argv[0], argv[1]);
if (err)
log_error ("creating request failed: %s\n", gpg_strerror (err));
break;
case aReceive:
if (argc)
wrong_args ("--receive < MIME-DATA");
err = wks_receive (es_stdin, command_receive_cb, NULL);
if (err)
log_error ("processing mail failed: %s\n", gpg_strerror (err));
break;
case aRead:
if (argc)
wrong_args ("--read < WKS-DATA");
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
err = read_confirmation_request (es_stdin);
if (err)
log_error ("processing mail failed: %s\n", gpg_strerror (err));
break;
case aCheck:
if (argc != 1)
wrong_args ("--check USER-ID");
err = command_check (argv[0]);
break;
case aMirror:
if (!argc)
err = command_mirror (NULL);
else
err = command_mirror (argv);
break;
case aInstallKey:
if (!argc)
err = wks_cmd_install_key (NULL, NULL);
else if (argc == 2)
err = wks_cmd_install_key (*argv, argv[1]);
else
wrong_args ("--install-key [FILE|FINGERPRINT USER-ID]");
break;
case aRemoveKey:
if (argc != 1)
wrong_args ("--remove-key USER-ID");
err = wks_cmd_remove_key (*argv);
break;
case aPrintWKDHash:
case aPrintWKDURL:
if (!argc)
{
if (cmd == aPrintWKDHash)
err = proc_userid_from_stdin (wks_cmd_print_wkd_hash,
"printing WKD hash");
else
err = proc_userid_from_stdin (wks_cmd_print_wkd_url,
"printing WKD URL");
}
else
{
for (err = delayed_err = 0; !err && argc; argc--, argv++)
{
if (cmd == aPrintWKDHash)
err = wks_cmd_print_wkd_hash (*argv);
else
err = wks_cmd_print_wkd_url (*argv);
if (gpg_err_code (err) == GPG_ERR_INV_USER_ID)
{
/* Diagnostic already printed. */
delayed_err = err;
err = 0;
}
else if (err)
log_error ("printing hash failed: %s\n", gpg_strerror (err));
}
if (!err)
err = delayed_err;
}
break;
default:
usage (1);
err = 0;
break;
}
leave:
if (err)
wks_write_status (STATUS_FAILURE, "- %u", err);
else if (log_get_errorcount (0))
wks_write_status (STATUS_FAILURE, "- %u", GPG_ERR_GENERAL);
else
wks_write_status (STATUS_SUCCESS, NULL);
return (err || log_get_errorcount (0))? 1:0;
}
/* Read a file FNAME into a buffer and return that malloced buffer.
* Caller must free the buffer. On error NULL is returned, on success
* the valid length of the buffer is stored at R_LENGTH. The returned
* buffer is guaranteed to be Nul terminated. */
static char *
read_file (const char *fname, size_t *r_length)
{
estream_t fp;
char *buf;
size_t buflen;
if (!strcmp (fname, "-"))
{
size_t nread, bufsize = 0;
fp = es_stdin;
es_set_binary (fp);
buf = NULL;
buflen = 0;
#define NCHUNK 32767
do
{
bufsize += NCHUNK;
if (!buf)
buf = xmalloc (bufsize+1);
else
buf = xrealloc (buf, bufsize+1);
nread = es_fread (buf+buflen, 1, NCHUNK, fp);
if (nread < NCHUNK && es_ferror (fp))
{
log_error ("error reading '[stdin]': %s\n", strerror (errno));
xfree (buf);
return NULL;
}
buflen += nread;
}
while (nread == NCHUNK);
#undef NCHUNK
}
else
{
struct stat st;
fp = es_fopen (fname, "rb");
if (!fp)
{
log_error ("can't open '%s': %s\n", fname, strerror (errno));
return NULL;
}
if (fstat (es_fileno (fp), &st))
{
log_error ("can't stat '%s': %s\n", fname, strerror (errno));
es_fclose (fp);
return NULL;
}
buflen = st.st_size;
buf = xmalloc (buflen+1);
if (es_fread (buf, buflen, 1, fp) != 1)
{
log_error ("error reading '%s': %s\n", fname, strerror (errno));
es_fclose (fp);
xfree (buf);
return NULL;
}
es_fclose (fp);
}
buf[buflen] = 0;
if (r_length)
*r_length = buflen;
return buf;
}
static int
cmp_blacklist (const void *arg_a, const void *arg_b)
{
const char *a = *(const char **)arg_a;
const char *b = *(const char **)arg_b;
return strcmp (a, b);
}
/* Add a blacklist to our global table. This is called during option
* parsing and thus any use of log_error will eventually stop further
* processing. */
static void
add_blacklist (const char *fname)
{
char *buffer;
char *p, *pend;
char **array;
size_t arraysize, arrayidx;
buffer = read_file (fname, NULL);
if (!buffer)
return;
/* Estimate the number of entries by counting the non-comment lines. */
arraysize = 2; /* For the first and an extra NULL item. */
for (p=buffer; *p; p++)
if (*p == '\n' && p[1] && p[1] != '#')
arraysize++;
array = xcalloc (arraysize, sizeof *array);
arrayidx = 0;
/* Loop over all lines. */
for (p = buffer; p && *p; p = pend)
{
pend = strchr (p, '\n');
if (pend)
*pend++ = 0;
trim_spaces (p);
if (!*p || *p == '#' )
continue;
ascii_strlwr (p);
log_assert (arrayidx < arraysize);
array[arrayidx] = p;
arrayidx++;
}
log_assert (arrayidx < arraysize);
qsort (array, arrayidx, sizeof *array, cmp_blacklist);
blacklist_array = array;
blacklist_array_len = arrayidx;
gpgrt_annotate_leaked_object (buffer);
gpgrt_annotate_leaked_object (blacklist_array);
}
/* Return true if NAME is in a blacklist. */
static int
is_in_blacklist (const char *name)
{
if (!name || !blacklist_array)
return 0;
return !!bsearch (&name, blacklist_array, blacklist_array_len,
sizeof *blacklist_array, cmp_blacklist);
}
/* Read user ids from stdin and call FUNC for each user id. TEXT is
* used for error messages. */
static gpg_error_t
proc_userid_from_stdin (gpg_error_t (*func)(const char *), const char *text)
{
gpg_error_t err = 0;
gpg_error_t delayed_err = 0;
char line[2048];
size_t n = 0;
/* If we are on a terminal disable buffering to get direct response. */
if (gnupg_isatty (es_fileno (es_stdin))
&& gnupg_isatty (es_fileno (es_stdout)))
{
es_setvbuf (es_stdin, NULL, _IONBF, 0);
es_setvbuf (es_stdout, NULL, _IOLBF, 0);
}
while (es_fgets (line, sizeof line - 1, es_stdin))
{
n = strlen (line);
if (!n || line[n-1] != '\n')
{
err = gpg_error (*line? GPG_ERR_LINE_TOO_LONG
: GPG_ERR_INCOMPLETE_LINE);
log_error ("error reading stdin: %s\n", gpg_strerror (err));
break;
}
trim_spaces (line);
err = func (line);
if (gpg_err_code (err) == GPG_ERR_INV_USER_ID)
{
delayed_err = err;
err = 0;
}
else if (err)
log_error ("%s failed: %s\n", text, gpg_strerror (err));
}
if (es_ferror (es_stdin))
{
err = gpg_error_from_syserror ();
log_error ("error reading stdin: %s\n", gpg_strerror (err));
goto leave;
}
leave:
if (!err)
err = delayed_err;
return err;
}
/* Add the user id UID to the key identified by FINGERPRINT. */
static gpg_error_t
add_user_id (const char *fingerprint, const char *uid)
{
gpg_error_t err;
ccparray_t ccp;
const char **argv = NULL;
ccparray_init (&ccp, 0);
ccparray_put (&ccp, "--no-options");
if (opt.verbose < 2)
ccparray_put (&ccp, "--quiet");
else
ccparray_put (&ccp, "--verbose");
ccparray_put (&ccp, "--batch");
ccparray_put (&ccp, "--always-trust");
ccparray_put (&ccp, "--quick-add-uid");
ccparray_put (&ccp, fingerprint);
ccparray_put (&ccp, uid);
ccparray_put (&ccp, NULL);
argv = ccparray_get (&ccp, NULL);
if (!argv)
{
err = gpg_error_from_syserror ();
goto leave;
}
err = gnupg_exec_tool_stream (opt.gpg_program, argv, NULL,
NULL, NULL,
NULL, NULL);
if (err)
{
log_error ("adding user id failed: %s\n", gpg_strerror (err));
goto leave;
}
leave:
xfree (argv);
return err;
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
struct decrypt_stream_parm_s
{
char *fpr;
char *mainfpr;
int otrust;
};
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
static void
decrypt_stream_status_cb (void *opaque, const char *keyword, char *args)
{
struct decrypt_stream_parm_s *decinfo = opaque;
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (DBG_CRYPTO)
log_debug ("gpg status: %s %s\n", keyword, args);
if (!strcmp (keyword, "DECRYPTION_KEY") && !decinfo->fpr)
{
char *fields[3];
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (split_fields (args, fields, DIM (fields)) >= 3)
{
decinfo->fpr = xstrdup (fields[0]);
decinfo->mainfpr = xstrdup (fields[1]);
decinfo->otrust = *fields[2];
}
}
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
/* Decrypt the INPUT stream to a new stream which is stored at success
* at R_OUTPUT. */
static gpg_error_t
decrypt_stream (estream_t *r_output, struct decrypt_stream_parm_s *decinfo,
estream_t input)
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
{
gpg_error_t err;
ccparray_t ccp;
const char **argv;
estream_t output;
*r_output = NULL;
memset (decinfo, 0, sizeof *decinfo);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
output = es_fopenmem (0, "w+b");
if (!output)
{
err = gpg_error_from_syserror ();
log_error ("error allocating memory buffer: %s\n", gpg_strerror (err));
return err;
}
ccparray_init (&ccp, 0);
ccparray_put (&ccp, "--no-options");
/* We limit the output to 64 KiB to avoid DoS using compression
* tricks. A regular client will anyway only send a minimal key;
* that is one w/o key signatures and attribute packets. */
ccparray_put (&ccp, "--max-output=0x10000");
if (opt.verbose < 2)
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
ccparray_put (&ccp, "--quiet");
else
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
ccparray_put (&ccp, "--verbose");
ccparray_put (&ccp, "--batch");
ccparray_put (&ccp, "--status-fd=2");
ccparray_put (&ccp, "--decrypt");
ccparray_put (&ccp, "--");
ccparray_put (&ccp, NULL);
argv = ccparray_get (&ccp, NULL);
if (!argv)
{
err = gpg_error_from_syserror ();
goto leave;
}
err = gnupg_exec_tool_stream (opt.gpg_program, argv, input,
NULL, output,
decrypt_stream_status_cb, decinfo);
if (!err && (!decinfo->fpr || !decinfo->mainfpr || !decinfo->otrust))
err = gpg_error (GPG_ERR_INV_ENGINE);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (err)
{
log_error ("decryption failed: %s\n", gpg_strerror (err));
goto leave;
}
else if (opt.verbose)
log_info ("decryption succeeded\n");
es_rewind (output);
*r_output = output;
output = NULL;
leave:
if (err)
{
xfree (decinfo->fpr);
xfree (decinfo->mainfpr);
memset (decinfo, 0, sizeof *decinfo);
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
es_fclose (output);
xfree (argv);
return err;
}
/* Return the submission address for the address or just the domain in
* ADDRSPEC. The submission address is stored as a malloced string at
* R_SUBMISSION_ADDRESS. At R_POLICY the policy flags of the domain
* are stored. The caller needs to free them with wks_free_policy.
* The function returns an error code on failure to find a submission
* address or policy file. Note: The function may store NULL at
* R_SUBMISSION_ADDRESS but return success to indicate that the web
* key directory is supported but not the web key service. As per WKD
* specs a policy file is always required and will thus be return on
* success. */
static gpg_error_t
get_policy_and_sa (const char *addrspec, int silent,
policy_flags_t *r_policy, char **r_submission_address)
{
gpg_error_t err;
estream_t mbuf = NULL;
const char *domain;
const char *s;
policy_flags_t policy = NULL;
char *submission_to = NULL;
*r_submission_address = NULL;
*r_policy = NULL;
domain = strchr (addrspec, '@');
if (domain)
domain++;
if (opt.with_colons)
{
s = domain? domain : addrspec;
es_write_sanitized (es_stdout, s, strlen (s), ":", NULL);
es_putc (':', es_stdout);
}
/* We first try to get the submission address from the policy file
* (this is the new method). If both are available we check that
* they match and print a warning if not. In the latter case we
* keep on using the one from the submission-address file. */
err = wkd_get_policy_flags (addrspec, &mbuf);
if (err && gpg_err_code (err) != GPG_ERR_NO_DATA
&& gpg_err_code (err) != GPG_ERR_NO_NAME)
{
if (!opt.with_colons)
log_error ("error reading policy flags for '%s': %s\n",
domain, gpg_strerror (err));
goto leave;
}
if (!mbuf)
{
if (!opt.with_colons)
log_error ("provider for '%s' does NOT support the Web Key Directory\n",
addrspec);
err = gpg_error (GPG_ERR_FALSE);
goto leave;
}
policy = xtrycalloc (1, sizeof *policy);
if (!policy)
err = gpg_error_from_syserror ();
else
err = wks_parse_policy (policy, mbuf, 1);
es_fclose (mbuf);
mbuf = NULL;
if (err)
goto leave;
err = wkd_get_submission_address (addrspec, &submission_to);
if (err && !policy->submission_address)
{
if (!silent && !opt.with_colons)
log_error (_("error looking up submission address for domain '%s'"
": %s\n"), domain, gpg_strerror (err));
if (!silent && gpg_err_code (err) == GPG_ERR_NO_DATA && !opt.with_colons)
log_error (_("this domain probably doesn't support WKS.\n"));
goto leave;
}
if (submission_to && policy->submission_address
&& ascii_strcasecmp (submission_to, policy->submission_address))
log_info ("Warning: different submission addresses (sa=%s, po=%s)\n",
submission_to, policy->submission_address);
if (!submission_to && policy->submission_address)
{
submission_to = xtrystrdup (policy->submission_address);
if (!submission_to)
{
err = gpg_error_from_syserror ();
goto leave;
}
}
leave:
*r_submission_address = submission_to;
submission_to = NULL;
*r_policy = policy;
policy = NULL;
if (opt.with_colons)
{
if (*r_policy && !*r_submission_address)
es_fprintf (es_stdout, "1:0::");
else if (*r_policy && *r_submission_address)
es_fprintf (es_stdout, "1:1::");
else if (err && !(gpg_err_code (err) == GPG_ERR_FALSE
|| gpg_err_code (err) == GPG_ERR_NO_DATA
|| gpg_err_code (err) == GPG_ERR_UNKNOWN_HOST))
es_fprintf (es_stdout, "0:0:%d:", err);
else
es_fprintf (es_stdout, "0:0::");
if (*r_policy)
{
es_fprintf (es_stdout, "%u:%u:%u:",
(*r_policy)->protocol_version,
(*r_policy)->auth_submit,
(*r_policy)->mailbox_only);
}
es_putc ('\n', es_stdout);
}
xfree (submission_to);
wks_free_policy (policy);
xfree (policy);
es_fclose (mbuf);
return err;
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
/* Check whether the provider supports the WKS protocol. */
static gpg_error_t
command_supported (char *userid)
{
gpg_error_t err;
char *addrspec = NULL;
char *submission_to = NULL;
policy_flags_t policy = NULL;
if (!strchr (userid, '@'))
{
char *tmp = xstrconcat ("foo@", userid, NULL);
addrspec = mailbox_from_userid (tmp);
xfree (tmp);
}
else
addrspec = mailbox_from_userid (userid);
if (!addrspec)
{
log_error (_("\"%s\" is not a proper mail address\n"), userid);
err = gpg_error (GPG_ERR_INV_USER_ID);
goto leave;
}
/* Get the submission address. */
err = get_policy_and_sa (addrspec, 1, &policy, &submission_to);
if (err || !submission_to)
{
if (!submission_to
|| gpg_err_code (err) == GPG_ERR_FALSE
|| gpg_err_code (err) == GPG_ERR_NO_DATA
|| gpg_err_code (err) == GPG_ERR_UNKNOWN_HOST
)
{
/* FALSE is returned if we already figured out that even the
* Web Key Directory is not supported and thus printed an
* error message. */
if (opt.verbose && gpg_err_code (err) != GPG_ERR_FALSE
&& !opt.with_colons)
{
if (gpg_err_code (err) == GPG_ERR_NO_DATA)
log_info ("provider for '%s' does NOT support WKS\n",
addrspec);
else
log_info ("provider for '%s' does NOT support WKS (%s)\n",
addrspec, gpg_strerror (err));
}
err = gpg_error (GPG_ERR_FALSE);
if (!opt.with_colons)
log_inc_errorcount ();
}
goto leave;
}
if (opt.verbose && !opt.with_colons)
log_info ("provider for '%s' supports WKS\n", addrspec);
leave:
wks_free_policy (policy);
xfree (policy);
xfree (submission_to);
xfree (addrspec);
return err;
}
/* Check whether the key for USERID is available in the WKD. */
static gpg_error_t
command_check (char *userid)
{
gpg_error_t err;
char *addrspec = NULL;
estream_t key = NULL;
char *fpr = NULL;
uidinfo_list_t mboxes = NULL;
uidinfo_list_t sl;
int found = 0;
addrspec = mailbox_from_userid (userid);
if (!addrspec)
{
log_error (_("\"%s\" is not a proper mail address\n"), userid);
err = gpg_error (GPG_ERR_INV_USER_ID);
goto leave;
}
/* Get the submission address. */
err = wkd_get_key (addrspec, &key);
switch (gpg_err_code (err))
{
case 0:
if (opt.verbose)
log_info ("public key for '%s' found via WKD\n", addrspec);
/* Fixme: Check that the key contains the user id. */
break;
case GPG_ERR_NO_DATA: /* No such key. */
if (opt.verbose)
log_info ("public key for '%s' NOT found via WKD\n", addrspec);
err = gpg_error (GPG_ERR_NO_PUBKEY);
log_inc_errorcount ();
break;
case GPG_ERR_UNKNOWN_HOST:
if (opt.verbose)
log_info ("error looking up '%s' via WKD: %s\n",
addrspec, gpg_strerror (err));
err = gpg_error (GPG_ERR_NOT_SUPPORTED);
break;
default:
log_error ("error looking up '%s' via WKD: %s\n",
addrspec, gpg_strerror (err));
break;
}
if (err)
goto leave;
/* Look closer at the key. */
err = wks_list_key (key, &fpr, &mboxes);
if (err)
{
log_error ("error parsing key: %s\n", gpg_strerror (err));
err = gpg_error (GPG_ERR_NO_PUBKEY);
goto leave;
}
if (opt.verbose)
log_info ("fingerprint: %s\n", fpr);
for (sl = mboxes; sl; sl = sl->next)
{
if (sl->mbox && !strcmp (sl->mbox, addrspec))
found = 1;
if (opt.verbose)
{
log_info (" user-id: %s\n", sl->uid);
log_info (" created: %s\n", asctimestamp (sl->created));
if (sl->mbox)
log_info (" addr-spec: %s\n", sl->mbox);
if (sl->expired || sl->revoked)
log_info (" flags:%s%s\n",
sl->expired? " expired":"", sl->revoked?" revoked":"");
}
}
if (!found)
{
log_error ("public key for '%s' has no user id with the mail address\n",
addrspec);
err = gpg_error (GPG_ERR_CERT_REVOKED);
}
leave:
xfree (fpr);
free_uidinfo_list (mboxes);
es_fclose (key);
xfree (addrspec);
return err;
}
/* Locate the key by fingerprint and userid and send a publication
* request. */
static gpg_error_t
command_create (const char *fingerprint, const char *userid)
{
gpg_error_t err;
KEYDB_SEARCH_DESC desc;
char *addrspec = NULL;
estream_t key = NULL;
estream_t keyenc = NULL;
char *submission_to = NULL;
mime_maker_t mime = NULL;
policy_flags_t policy = NULL;
int no_encrypt = 0;
int posteo_hack = 0;
const char *domain;
uidinfo_list_t uidlist = NULL;
uidinfo_list_t uid, thisuid;
time_t thistime;
int any;
if (classify_user_id (fingerprint, &desc, 1)
|| !(desc.mode == KEYDB_SEARCH_MODE_FPR
|| desc.mode == KEYDB_SEARCH_MODE_FPR20))
{
log_error (_("\"%s\" is not a fingerprint\n"), fingerprint);
err = gpg_error (GPG_ERR_INV_NAME);
goto leave;
}
addrspec = mailbox_from_userid (userid);
if (!addrspec)
{
log_error (_("\"%s\" is not a proper mail address\n"), userid);
err = gpg_error (GPG_ERR_INV_USER_ID);
goto leave;
}
err = wks_get_key (&key, fingerprint, addrspec, 0, 1);
if (err)
goto leave;
domain = strchr (addrspec, '@');
log_assert (domain);
domain++;
/* Get the submission address. */
if (fake_submission_addr)
{
policy = xcalloc (1, sizeof *policy);
submission_to = xstrdup (fake_submission_addr);
err = 0;
}
else
{
err = get_policy_and_sa (addrspec, 0, &policy, &submission_to);
if (err)
goto leave;
if (!submission_to)
{
log_error (_("this domain probably doesn't support WKS.\n"));
err = gpg_error (GPG_ERR_NO_DATA);
goto leave;
}
}
log_info ("submitting request to '%s'\n", submission_to);
if (policy->auth_submit)
log_info ("no confirmation required for '%s'\n", addrspec);
/* In case the key has several uids with the same addr-spec we will
* use the newest one. */
err = wks_list_key (key, NULL, &uidlist);
if (err)
{
log_error ("error parsing key: %s\n",gpg_strerror (err));
err = gpg_error (GPG_ERR_NO_PUBKEY);
goto leave;
}
thistime = 0;
thisuid = NULL;
any = 0;
for (uid = uidlist; uid; uid = uid->next)
{
if (!uid->mbox)
continue; /* Should not happen anyway. */
if (policy->mailbox_only && ascii_strcasecmp (uid->uid, uid->mbox))
continue; /* UID has more than just the mailbox. */
if (uid->expired)
{
if (opt.verbose)
log_info ("ignoring expired user id '%s'\n", uid->uid);
continue;
}
any = 1;
if (uid->created > thistime)
{
thistime = uid->created;
thisuid = uid;
}
}
if (!thisuid)
thisuid = uidlist; /* This is the case for a missing timestamp. */
if (!any)
{
log_error ("public key %s has no mail address '%s'\n",
fingerprint, addrspec);
err = gpg_error (GPG_ERR_INV_USER_ID);
goto leave;
}
if (opt.verbose)
log_info ("submitting key with user id '%s'\n", thisuid->uid);
/* If we have more than one user id we need to filter the key to
* include only THISUID. */
if (uidlist->next)
{
estream_t newkey;
es_rewind (key);
err = wks_filter_uid (&newkey, key, thisuid->uid, 1);
if (err)
{
log_error ("error filtering key: %s\n", gpg_strerror (err));
err = gpg_error (GPG_ERR_NO_PUBKEY);
goto leave;
}
es_fclose (key);
key = newkey;
}
if (policy->mailbox_only
&& (!thisuid->mbox || ascii_strcasecmp (thisuid->uid, thisuid->mbox)))
{
log_info ("Warning: policy requires 'mailbox-only'"
" - adding user id '%s'\n", addrspec);
err = add_user_id (fingerprint, addrspec);
if (err)
goto leave;
/* Need to get the key again. This time we request filtering
* for the full user id, so that we do not need check and filter
* the key again. */
es_fclose (key);
key = NULL;
err = wks_get_key (&key, fingerprint, addrspec, 1, 1);
if (err)
goto leave;
}
if (opt.add_revocs)
{
if (es_fseek (key, 0, SEEK_END))
{
err = gpg_error_from_syserror ();
log_error ("error seeking stream: %s\n", gpg_strerror (err));
goto leave;
}
err = wks_find_add_revocs (key, addrspec);
if (err)
{
log_error ("error finding revocations for '%s': %s\n",
addrspec, gpg_strerror (err));
goto leave;
}
}
/* Now put the armor around the key. */
{
estream_t newkey;
es_rewind (key);
err = wks_armor_key (&newkey, key,
no_encrypt? NULL
/* */ : ("Content-Type: application/pgp-keys\n"
"\n"));
if (err)
{
log_error ("error armoring key: %s\n", gpg_strerror (err));
goto leave;
}
es_fclose (key);
key = newkey;
}
/* Hack to support posteo but let them disable this by setting the
* new policy-version flag. */
if (policy->protocol_version < 3
&& !ascii_strcasecmp (domain, "posteo.de"))
{
log_info ("Warning: Using draft-1 method for domain '%s'\n", domain);
no_encrypt = 1;
posteo_hack = 1;
}
/* Encrypt the key part. */
if (!no_encrypt)
{
es_rewind (key);
err = encrypt_response (&keyenc, key, submission_to, fingerprint);
if (err)
goto leave;
es_fclose (key);
key = NULL;
}
/* Send the key. */
err = mime_maker_new (&mime, NULL);
if (err)
goto leave;
err = mime_maker_add_header (mime, "From", addrspec);
if (err)
goto leave;
err = mime_maker_add_header (mime, "To", submission_to);
if (err)
goto leave;
err = mime_maker_add_header (mime, "Subject", "Key publishing request");
if (err)
goto leave;
/* Tell server which draft we support. */
err = mime_maker_add_header (mime, "Wks-Draft-Version",
STR2(WKS_DRAFT_VERSION));
if (err)
goto leave;
if (no_encrypt)
{
void *data;
size_t datalen;
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (posteo_hack)
{
/* Needs a multipart/mixed with one(!) attachment. It does
* not grok a non-multipart mail. */
err = mime_maker_add_header (mime, "Content-Type", "multipart/mixed");
if (err)
goto leave;
err = mime_maker_add_container (mime);
if (err)
goto leave;
}
err = mime_maker_add_header (mime, "Content-type",
"application/pgp-keys");
if (err)
goto leave;
if (es_fclose_snatch (key, &data, &datalen))
{
err = gpg_error_from_syserror ();
goto leave;
}
key = NULL;
err = mime_maker_add_body_data (mime, data, datalen);
xfree (data);
if (err)
goto leave;
}
else
{
err = mime_maker_add_header (mime, "Content-Type",
"multipart/encrypted; "
"protocol=\"application/pgp-encrypted\"");
if (err)
goto leave;
err = mime_maker_add_container (mime);
if (err)
goto leave;
err = mime_maker_add_header (mime, "Content-Type",
"application/pgp-encrypted");
if (err)
goto leave;
err = mime_maker_add_body (mime, "Version: 1\n");
if (err)
goto leave;
err = mime_maker_add_header (mime, "Content-Type",
"application/octet-stream");
if (err)
goto leave;
err = mime_maker_add_stream (mime, &keyenc);
if (err)
goto leave;
}
err = wks_send_mime (mime);
leave:
mime_maker_release (mime);
xfree (submission_to);
free_uidinfo_list (uidlist);
es_fclose (keyenc);
es_fclose (key);
wks_free_policy (policy);
xfree (policy);
xfree (addrspec);
return err;
}
static void
encrypt_response_status_cb (void *opaque, const char *keyword, char *args)
{
gpg_error_t *failure = opaque;
char *fields[2];
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (DBG_CRYPTO)
log_debug ("gpg status: %s %s\n", keyword, args);
if (!strcmp (keyword, "FAILURE"))
{
if (split_fields (args, fields, DIM (fields)) >= 2
&& !strcmp (fields[0], "encrypt"))
*failure = strtoul (fields[1], NULL, 10);
}
}
/* Encrypt the INPUT stream to a new stream which is stored at success
* at R_OUTPUT. Encryption is done for ADDRSPEC and for FINGERPRINT
* (so that the sent message may later be inspected by the user). We
* currently retrieve that key from the WKD, DANE, or from "local".
* "local" is last to prefer the latest key version but use a local
* copy in case we are working offline. It might be useful for the
* server to send the fingerprint of its encryption key - or even the
* entire key back. */
static gpg_error_t
encrypt_response (estream_t *r_output, estream_t input, const char *addrspec,
const char *fingerprint)
{
gpg_error_t err;
ccparray_t ccp;
const char **argv;
estream_t output;
gpg_error_t gpg_err = 0;
*r_output = NULL;
output = es_fopenmem (0, "w+b");
if (!output)
{
err = gpg_error_from_syserror ();
log_error ("error allocating memory buffer: %s\n", gpg_strerror (err));
return err;
}
ccparray_init (&ccp, 0);
ccparray_put (&ccp, "--no-options");
if (opt.verbose < 2)
ccparray_put (&ccp, "--quiet");
else
ccparray_put (&ccp, "--verbose");
ccparray_put (&ccp, "--batch");
ccparray_put (&ccp, "--status-fd=2");
ccparray_put (&ccp, "--always-trust");
ccparray_put (&ccp, "--armor");
ccparray_put (&ccp, "-z0"); /* No compression for improved robustness. */
if (fake_submission_addr)
ccparray_put (&ccp, "--auto-key-locate=clear,local");
else
ccparray_put (&ccp, "--auto-key-locate=clear,wkd,dane,local");
ccparray_put (&ccp, "--recipient");
ccparray_put (&ccp, addrspec);
ccparray_put (&ccp, "--recipient");
ccparray_put (&ccp, fingerprint);
ccparray_put (&ccp, "--encrypt");
ccparray_put (&ccp, "--");
ccparray_put (&ccp, NULL);
argv = ccparray_get (&ccp, NULL);
if (!argv)
{
err = gpg_error_from_syserror ();
goto leave;
}
err = gnupg_exec_tool_stream (opt.gpg_program, argv, input,
NULL, output,
encrypt_response_status_cb, &gpg_err);
if (err)
{
if (gpg_err)
err = gpg_err;
log_error ("encryption failed: %s\n", gpg_strerror (err));
goto leave;
}
es_rewind (output);
*r_output = output;
output = NULL;
leave:
es_fclose (output);
xfree (argv);
return err;
}
static gpg_error_t
send_confirmation_response (const char *sender, const char *address,
const char *nonce, int encrypt,
const char *fingerprint)
{
gpg_error_t err;
estream_t body = NULL;
estream_t bodyenc = NULL;
mime_maker_t mime = NULL;
body = es_fopenmem (0, "w+b");
if (!body)
{
err = gpg_error_from_syserror ();
log_error ("error allocating memory buffer: %s\n", gpg_strerror (err));
return err;
}
/* It is fine to use 8 bit encoding because that is encrypted and
* only our client will see it. */
if (encrypt)
{
es_fputs ("Content-Type: application/vnd.gnupg.wks\n"
"Content-Transfer-Encoding: 8bit\n"
"\n",
body);
}
es_fprintf (body, ("type: confirmation-response\n"
"sender: %s\n"
"address: %s\n"
"nonce: %s\n"),
sender,
address,
nonce);
es_rewind (body);
if (encrypt)
{
err = encrypt_response (&bodyenc, body, sender, fingerprint);
if (err)
goto leave;
es_fclose (body);
body = NULL;
}
err = mime_maker_new (&mime, NULL);
if (err)
goto leave;
err = mime_maker_add_header (mime, "From", address);
if (err)
goto leave;
err = mime_maker_add_header (mime, "To", sender);
if (err)
goto leave;
err = mime_maker_add_header (mime, "Subject", "Key publication confirmation");
if (err)
goto leave;
err = mime_maker_add_header (mime, "Wks-Draft-Version",
STR2(WKS_DRAFT_VERSION));
if (err)
goto leave;
if (encrypt)
{
err = mime_maker_add_header (mime, "Content-Type",
"multipart/encrypted; "
"protocol=\"application/pgp-encrypted\"");
if (err)
goto leave;
err = mime_maker_add_container (mime);
if (err)
goto leave;
err = mime_maker_add_header (mime, "Content-Type",
"application/pgp-encrypted");
if (err)
goto leave;
err = mime_maker_add_body (mime, "Version: 1\n");
if (err)
goto leave;
err = mime_maker_add_header (mime, "Content-Type",
"application/octet-stream");
if (err)
goto leave;
err = mime_maker_add_stream (mime, &bodyenc);
if (err)
goto leave;
}
else
{
err = mime_maker_add_header (mime, "Content-Type",
"application/vnd.gnupg.wks");
if (err)
goto leave;
err = mime_maker_add_stream (mime, &body);
if (err)
goto leave;
}
err = wks_send_mime (mime);
leave:
mime_maker_release (mime);
es_fclose (bodyenc);
es_fclose (body);
return err;
}
/* Reply to a confirmation request. The MSG has already been
* decrypted and we only need to send the nonce back. MAINFPR is
* either NULL or the primary key fingerprint of the key used to
* decrypt the request. */
static gpg_error_t
process_confirmation_request (estream_t msg, const char *mainfpr)
{
gpg_error_t err;
nvc_t nvc;
nve_t item;
const char *value, *sender, *address, *fingerprint, *nonce;
err = nvc_parse (&nvc, NULL, msg);
if (err)
{
log_error ("parsing the WKS message failed: %s\n", gpg_strerror (err));
goto leave;
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (DBG_MIME)
{
log_debug ("request follows:\n");
nvc_write (nvc, log_get_stream ());
}
/* Check that this is a confirmation request. */
if (!((item = nvc_lookup (nvc, "type:")) && (value = nve_value (item))
&& !strcmp (value, "confirmation-request")))
{
if (item && value)
log_error ("received unexpected wks message '%s'\n", value);
else
log_error ("received invalid wks message: %s\n", "'type' missing");
err = gpg_error (GPG_ERR_UNEXPECTED_MSG);
goto leave;
}
/* Get the fingerprint. */
if (!((item = nvc_lookup (nvc, "fingerprint:"))
&& (value = nve_value (item))
&& strlen (value) >= 40))
{
log_error ("received invalid wks message: %s\n",
"'fingerprint' missing or invalid");
err = gpg_error (GPG_ERR_INV_DATA);
goto leave;
}
fingerprint = value;
/* Check that the fingerprint matches the key used to decrypt the
* message. In --read mode or with the old format we don't have the
* decryption key; thus we can't bail out. */
if (!mainfpr || ascii_strcasecmp (mainfpr, fingerprint))
{
log_info ("target fingerprint: %s\n", fingerprint);
log_info ("but decrypted with: %s\n", mainfpr);
log_error ("confirmation request not decrypted with target key\n");
if (mainfpr)
{
err = gpg_error (GPG_ERR_INV_DATA);
goto leave;
}
}
/* Get the address. */
if (!((item = nvc_lookup (nvc, "address:")) && (value = nve_value (item))
&& is_valid_mailbox (value)))
{
log_error ("received invalid wks message: %s\n",
"'address' missing or invalid");
err = gpg_error (GPG_ERR_INV_DATA);
goto leave;
}
address = value;
/* FIXME: Check that the "address" matches the User ID we want to
* publish. */
/* Get the sender. */
if (!((item = nvc_lookup (nvc, "sender:")) && (value = nve_value (item))
&& is_valid_mailbox (value)))
{
log_error ("received invalid wks message: %s\n",
"'sender' missing or invalid");
err = gpg_error (GPG_ERR_INV_DATA);
goto leave;
}
sender = value;
/* FIXME: Check that the "sender" matches the From: address. */
/* Get the nonce. */
if (!((item = nvc_lookup (nvc, "nonce:")) && (value = nve_value (item))
&& strlen (value) > 16))
{
log_error ("received invalid wks message: %s\n",
"'nonce' missing or too short");
err = gpg_error (GPG_ERR_INV_DATA);
goto leave;
}
nonce = value;
/* Send the confirmation. If no key was found, try again without
* encryption. */
err = send_confirmation_response (sender, address, nonce, 1, fingerprint);
if (gpg_err_code (err) == GPG_ERR_NO_PUBKEY)
{
log_info ("no encryption key found - sending response in the clear\n");
err = send_confirmation_response (sender, address, nonce, 0, NULL);
}
leave:
nvc_release (nvc);
return err;
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
/* Read a confirmation request and decrypt it if needed. This
* function may not be used with a mail or MIME message but only with
* the actual encrypted or plaintext WKS data. */
static gpg_error_t
read_confirmation_request (estream_t msg)
{
gpg_error_t err;
int c;
estream_t plaintext = NULL;
/* We take a really simple approach to check whether MSG is
* encrypted: We know that an encrypted message is always armored
* and thus starts with a few dashes. It is even sufficient to
* check for a single dash, because that can never be a proper first
* WKS data octet. We need to skip leading spaces, though. */
while ((c = es_fgetc (msg)) == ' ' || c == '\t' || c == '\r' || c == '\n')
;
if (c == EOF)
{
log_error ("can't process an empty message\n");
return gpg_error (GPG_ERR_INV_DATA);
}
if (es_ungetc (c, msg) != c)
{
log_error ("error ungetting octet from message\n");
return gpg_error (GPG_ERR_INTERNAL);
}
if (c != '-')
err = process_confirmation_request (msg, NULL);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
else
{
struct decrypt_stream_parm_s decinfo;
err = decrypt_stream (&plaintext, &decinfo, msg);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
if (err)
log_error ("decryption failed: %s\n", gpg_strerror (err));
else if (decinfo.otrust != 'u')
{
err = gpg_error (GPG_ERR_WRONG_SECKEY);
log_error ("key used to decrypt the confirmation request"
" was not generated by us\n");
}
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
else
err = process_confirmation_request (plaintext, decinfo.mainfpr);
xfree (decinfo.fpr);
xfree (decinfo.mainfpr);
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
}
es_fclose (plaintext);
return err;
}
/* Called from the MIME receiver to process the plain text data in MSG. */
static gpg_error_t
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
command_receive_cb (void *opaque, const char *mediatype,
estream_t msg, unsigned int flags)
{
gpg_error_t err;
(void)opaque;
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
(void)flags;
if (!strcmp (mediatype, "application/vnd.gnupg.wks"))
wks: Partly implement draft-koch-openpgp-webkey-service-02. * tools/gpg-wks.h (WKS_RECEIVE_DRAFT2): New. * tools/wks-receive.c: Include rfc822parse.h. (struct receive_ctx_s): Add fields PARSER, DRAFT_VERSION_2, and MULTIPART_MIXED_SEEN. (decrypt_data): Add --no-options. (verify_signature): Ditto. (new_part): Check for Wks-Draft-Version header. Take care of text parts. (wks_receive): Set Parser and pass a flag value to RESULT_CB. * tools/gpg-wks-client.c (read_confirmation_request): New. (main) <aRead>: Call read_confirmation_request instead of process_confirmation_request. (command_receive_cb): Ditto. Add arg FLAGS.. (decrypt_stream_status_cb, decrypt_stream): New. (command_send): Set header Wks-Draft-Version. * tools/gpg-wks-server.c (struct server_ctx_s): Add field DRAFT_VERSION_2. (sign_stream_status_cb, sign_stream): New. (command_receive_cb): Set draft flag. (send_confirmation_request): Rework to implement protocol draft version 2. * tools/gpg-wks.h (DBG_MIME_VALUE, DBG_PARSER_VALUE): New. (DBG_MIME, DBG_PARSER, DBG_CRYPTO): New. Use instead of a plain opt.debug where useful. * tools/gpg-wks-client.c (debug_flags): Add "mime" and "parser". * tools/gpg-wks-server.c (debug_flags): Ditto. -- If a client supporting the version 2 of the protocol is used, it will tell this the server using a mail header. An old server will ignore that but a recent server will use the new protocol. Next task is to actually write draft-02. There are still a lot of FIXMEs - take care. Signed-off-by: Werner Koch <wk@gnupg.org>
2016-09-29 17:55:32 +02:00
err = read_confirmation_request (msg);
else
{
log_info ("ignoring unexpected message of type '%s'\n", mediatype);
err = gpg_error (GPG_ERR_UNEXPECTED_MSG);
}
return err;
}
/* An object used to communicate with the mirror_one_key callback. */
struct
{
const char *domain;
int anyerror;
unsigned int nkeys; /* Number of keys processed. */
unsigned int nuids; /* Number of published user ids. */
} mirror_one_key_parm;
/* Return true if the Given a mail DOMAIN and the full addrspec MBOX
* match. */
static int
domain_matches_mbox (const char *domain, const char *mbox)
{
const char *s;
if (!domain || !mbox)
return 0;
s = strchr (domain, '@');
if (s)
domain = s+1;
if (!*domain)
return 0; /* Not a valid domain. */
s = strchr (mbox, '@');
if (!s || !s[1])
return 0; /* Not a valid mbox. */
mbox = s+1;
return !ascii_strcasecmp (domain, mbox);
}
/* Core of mirror_one_key with the goal of mirroring just one uid.
* UIDLIST is used to figure out whether the given MBOX occurs several
* times in UIDLIST and then to single out the newest one. This is
* so that for a key with
* uid: Joe Someone <joe@example.org>
* uid: Joe <joe@example.org>
* only the news user id (and thus its self-signature) is used.
* UIDLIST is nodified to set all MBOX fields to NULL for a processed
* user id. FPR is the fingerprint of the key.
*/
static gpg_error_t
mirror_one_keys_userid (estream_t key, const char *mbox, uidinfo_list_t uidlist,
const char *fpr)
{
gpg_error_t err;
uidinfo_list_t uid, thisuid, firstuid;
time_t thistime;
estream_t newkey = NULL;
/* Find the UID we want to use. */
thistime = 0;
thisuid = firstuid = NULL;
for (uid = uidlist; uid; uid = uid->next)
{
if ((uid->flags & 1) || !uid->mbox || strcmp (uid->mbox, mbox))
continue; /* Already processed or no matching mbox. */
uid->flags |= 1; /* Set "processed" flag. */
if (!firstuid)
firstuid = uid;
if (uid->created > thistime)
{
thistime = uid->created;
thisuid = uid;
}
}
if (!thisuid)
thisuid = firstuid; /* This is the case for a missing timestamp. */
if (!thisuid)
{
log_error ("error finding the user id for %s (%s)\n", fpr, mbox);
err = gpg_error (GPG_ERR_NO_USER_ID);
goto leave;
}
/* Always filter the key so that the result will be non-armored. */
es_rewind (key);
err = wks_filter_uid (&newkey, key, thisuid->uid, 1);
if (err)
{
log_error ("error filtering key %s: %s\n", fpr, gpg_strerror (err));
err = gpg_error (GPG_ERR_NO_PUBKEY);
goto leave;
}
if (opt.add_revocs)
{
if (es_fseek (newkey, 0, SEEK_END))
{
err = gpg_error_from_syserror ();
log_error ("error seeking stream: %s\n", gpg_strerror (err));
goto leave;
}
err = wks_find_add_revocs (newkey, mbox);
if (err)
{
log_error ("error finding revocations for '%s': %s\n",
mbox, gpg_strerror (err));
goto leave;
}
es_rewind (newkey);
}
err = wks_install_key_core (newkey, mbox);
if (opt.verbose)
log_info ("key %s published for '%s'\n", fpr, mbox);
mirror_one_key_parm.nuids++;
if (!opt.quiet && !(mirror_one_key_parm.nuids % 25))
log_info ("%u user ids from %d keys so far\n",
mirror_one_key_parm.nuids, mirror_one_key_parm.nkeys);
leave:
es_fclose (newkey);
return err;
}
/* The callback used by command_mirror. It received an estream with
* one key and should return success to process the next key. */
static gpg_error_t
mirror_one_key (estream_t key)
{
gpg_error_t err = 0;
char *fpr;
uidinfo_list_t uidlist = NULL;
uidinfo_list_t uid;
const char *domain = mirror_one_key_parm.domain;
/* List the key to get all user ids. */
err = wks_list_key (key, &fpr, &uidlist);
if (err)
{
log_error ("error parsing a key: %s - skipped\n",
gpg_strerror (err));
mirror_one_key_parm.anyerror = 1;
err = 0;
goto leave;
}
for (uid = uidlist; uid; uid = uid->next)
{
if (!uid->mbox || (uid->flags & 1))
continue; /* No mail box or already processed. */
if (uid->expired)
continue;
if (!domain_matches_mbox (domain, uid->mbox))
continue; /* We don't want this one. */
if (is_in_blacklist (uid->mbox))
continue;
err = mirror_one_keys_userid (key, uid->mbox, uidlist, fpr);
if (err)
{
log_error ("error processing key %s: %s - skipped\n",
fpr, gpg_strerror (err));
mirror_one_key_parm.anyerror = 1;
err = 0;
goto leave;
}
}
mirror_one_key_parm.nkeys++;
leave:
free_uidinfo_list (uidlist);
xfree (fpr);
return err;
}
/* Copy the keys from the configured LDAP server into a local WKD.
* DOMAINLIST is an array of domain names to restrict the copy to only
* the given domains; if it is NULL all keys are mirrored. */
static gpg_error_t
command_mirror (char *domainlist[])
{
gpg_error_t err;
const char *domain;
char *domainbuf = NULL;
mirror_one_key_parm.anyerror = 0;
mirror_one_key_parm.nkeys = 0;
mirror_one_key_parm.nuids = 0;
if (!domainlist)
{
mirror_one_key_parm.domain = "";
err = wkd_dirmngr_ks_get (NULL, mirror_one_key);
}
else
{
while ((domain = *domainlist++))
{
if (*domain != '.' && domain[1] != '@')
{
/* This does not already specify a mail search by
* domain. Change it. */
xfree (domainbuf);
domainbuf = xstrconcat (".@", domain, NULL);
domain = domainbuf;
}
mirror_one_key_parm.domain = domain;
if (opt.verbose)
log_info ("mirroring keys for domain '%s'\n", domain+2);
err = wkd_dirmngr_ks_get (domain, mirror_one_key);
if (err)
break;
}
}
if (!opt.quiet)
log_info ("a total of %u user ids from %d keys published\n",
mirror_one_key_parm.nuids, mirror_one_key_parm.nkeys);
if (err)
log_error ("error mirroring LDAP directory: %s <%s>\n",
gpg_strerror (err), gpg_strsource (err));
else if (mirror_one_key_parm.anyerror)
log_info ("warning: errors encountered - not all keys are mirrored\n");
xfree (domainbuf);
return err;
}