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34 Commits

Author SHA1 Message Date
Justus Winter
6823ed4658
gpg,common: Make sure that all fd given are valid.
* common/sysutils.c (gnupg_fd_valid): New function.
* common/sysutils.h (gnupg_fd_valid): New declaration.
* common/logging.c (log_set_file): Use the new function.
* g10/cpr.c (set_status_fd): Likewise.
* g10/gpg.c (main): Likewise.
* g10/keylist.c (read_sessionkey_from_fd): Likewise.
* g10/passphrase.c (set_attrib_fd): Likewise.
* tests/openpgp/Makefile.am (XTESTS): Add the new test.
* tests/openpgp/issue2941.scm: New file.
--

Consider a situation where the user passes "--status-fd 3" but file
descriptor 3 is not open.

During the course of executing the rest of the commands, it's possible
that gpg itself will open some files, and file descriptor 3 will get
allocated.

In this situation, the status information will be appended directly to
whatever file happens to have landed on fd 3 (the trustdb? the
keyring?).

This is a potential data destruction issue for all writable file
descriptor options:

   --status-fd
   --attribute-fd
   --logger-fd

It's also a potential issue for readable file descriptor options, but
the risk is merely weird behavior, and not data corruption:

   --override-session-key-fd
   --passphrase-fd
   --command-fd

Fixes this by checking whether the fd is valid early on before using
it.

GnuPG-bug-id: 2941
Signed-off-by: Justus Winter <justus@g10code.com>
2017-02-08 14:28:49 +01:00
Werner Koch
60b4982836
gpg,sm: Merge the two versions of check_special_filename.
* sm/gpgsm.c (check_special_filename): Move to ..
* common/sysutils.c (check_special_filename): here.  Add arg
NOTRANSLATE.
(allow_special_filenames): New local var.
(enable_special_filenames): New public functions.
* sm/gpgsm.c (allow_special_filenames): Remove var.
(main): Call enable_special_filenames instead of setting the var.
(open_read, open_es_fread, open_es_fwrite): Call
check_special_filename with 0 for NOTRANSLATE.
* common/iobuf.c (special_names_enabled): Remove var.
(iobuf_enable_special_filenames): Remove func.
(check_special_filename): Remove func.
(iobuf_is_pipe_filename): Call new version of the function with
NOTRANSLATE set.
(do_open): Ditto.
* g10/gpg.c (main): Call enable_special_filenames instead of
iobuf_enable_special_filenames.
* g10/gpgv.c (main): Ditto.
--

Note that we keep the iobuf.c:translate_file_handle because it is a
bit different (for whatever reasons) than the translate function from
sysutils.

Signed-off-by: Werner Koch <wk@gnupg.org>
2016-11-29 16:54:36 +01:00
Werner Koch
c4506a3f15
common: Rename keybox_file_rename to gnupg_rename_file.
* kbx/keybox-util.c (keybox_file_rename): Rename to ...
* common/sysutils.c (gnupg_rename_file): this.  Change all callers.

Signed-off-by: Werner Koch <wk@gnupg.org>
2016-11-16 17:43:59 +01:00
Werner Koch
4d7dc432b5
Change all http://www.gnu.org in license notices to https://
--
2016-11-05 12:02:19 +01:00
Werner Koch
ad491ceec6
common: New function gnupg_usleep.
* configure.ac (HAVE_NANOSLEEP): Test for nanosleep.
* common/sysutils.c: Always include time.h.
(gnupg_usleep): New.
--

This function has been compiled from nPth and Libassuan.

Signed-off-by: Werner Koch <wk@gnupg.org>
2016-10-31 12:24:45 +01:00
Daniel Kahn Gillmor
6316b28e89 agent,common: move get_socket_name() into common.
* agent/gpg-agent.c (get_socket_name): move to ...
* common/sysutils.c (gnupg_get_socket_name): ... here.

--
This allows us to use the same functionality in dirmngr as well.

Signed-off-by: Daniel Kahn Gillmor <dkg@fifthhorseman.net>
2016-10-27 10:37:17 +09:00
Werner Koch
2f7d4c38c9
agent: Move inotify code to common and improve it.
* common/sysutils.c: Include sys/inotify.h.
(my_error_from_syserror, my_error): New.
(gnupg_inotify_watch_socket): New.
(gnupg_inotify_has_name): New.
* agent/gpg-agent.c: Do not include sys/inotify.h.
(my_inotify_is_name): Remove.
(handle_connections): Remove HAVE_INOTIFY_INIT protected code and use
the new functions.
--

When removing not a simple socket file but the entire directory the
old code missed most events and thus did not worked properly.

IN_DELETE_SELF has also been added to the watch list to detect a
removal of the directory.  However, in all tests that event was not
triggered.  The only way it could be triggered was by not watching
the socket dir but an arbitary directory and rmdir that.

GnuPG-bug-id: 2756
Signed-off-by: Werner Koch <wk@gnupg.org>
2016-10-15 21:35:05 +02:00
Justus Winter
f8adf1a323 agent: Sanitize permissions of the private key directory.
* agent/gpg-agent.c (create_private_keys_directory): Set permissions.
* common/sysutils.c (modestr_to_mode): New function.
(gnupg_mkdir): Use new function.
(gnupg_chmod): New function.
* common/sysutils.h (gnupg_chmod): New prototype.
* tests/migrations/from-classic.test: Test migration with existing
directory.

GnuPG-bug-id: 2312
Signed-off-by: Justus Winter <justus@g10code.com>
2016-04-20 15:02:37 +02:00
Werner Koch
b8cdfac353 Remove use of gnulib (part 2)
* configure.ac (strpbrk): Add to AC_CHECK_FUNCS.
(gl_EARLY): Remove.
* common/stringhelp.c (strpbrk) [!HAVE_STRPBRK]: New.
* common/sysutils.c (gnupg_mkdtemp): New.  Based on code from
glibc-2.6.
(gnupg_setenv): Rewrite.
(gnupg_unsetenv): Rewrite.
* g10/exec.c: Include sysutils.h and replace mkdtemp by gnupg_mkdtemp.
* g13/be-encfs.c: Ditto.
* g13/mount.c: Ditto.
* tools/symcryptrun.c (confucius_mktmpdir): Ditto.

Signed-off-by: Werner Koch <wk@gnupg.org>
2014-11-11 15:14:31 +01:00
Werner Koch
1a87edab66 common: Add function gnupg_getcwd.
* tools/gpg-connect-agent.c (gnu_getcwd): Move to ...
* common/sysutils.c (gnupg_getcwd): .. here.
* tools/gpg-connect-agent.c (get_var_ext): Use gnupg_getcwd.
2014-04-22 15:02:05 +02:00
Werner Koch
5105c8d2d3 ssh: Add support for Putty.
* agent/gpg-agent.c [W32]: Include Several Windows header.
(opts): Change help text for enable-ssh-support.
(opts, main): Add option --enable-putty-support
(putty_support, PUTTY_IPC_MAGIC, PUTTY_IPC_MAXLEN): New for W32.
(agent_init_default_ctrl): Add and asssert call.
(putty_message_proc, putty_message_thread): New.
(handle_connections) [W32]: Start putty message thread.
* common/sysutils.c (w32_get_user_sid): New for W32 only
* tools/gpgconf-comp.c (gc_options_gpg_agent): Add
--enable-ssh-support and --enable-putty-support.  Make the
configuration group visible at basic level.
* agent/command-ssh.c (serve_mmapped_ssh_request): New for W32 only.
--

This patch enables support for Putty.  It has been tested with Putty
0.62 using an Unix created ssh key copied to the private-keys-v1.d
directory on Windows and with a manually crafted sshcontrol file.  It
also works with a smartcard key.

May thanks to gniibe who implemented a proxy in Python to test the
putty/gpg-agent communication.

Signed-off-by: Werner Koch <wk@gnupg.org>
(cherry picked from commit 9f32499f99a0817f63f7a73b09bdcebe60d4775d)

Resolved conflicts:
	NEWS
	agent/agent.h
	agent/gpg-agent.c: Convert from pth to npth.
	common/sysutils.c
	common/sysutils.h
2014-03-07 09:48:10 +01:00
Werner Koch
37df3d5f59 Change license for some files in common to LGPLv3+/GPLv2+.
Having the LGPL on the common GnuPG code helps to share code
between GnuPG and related projects (like GPGME and Libassuan).  This
is good for interoperability and to reduces bugs.

* common/asshelp.c, common/asshelp.h, common/asshelp2.c, common/b64dec.c
* common/b64enc.c, common/convert.c, common/dns-cert.c
* common/dns-cert.h common/exechelp-posix.c, common/exechelp-w32.c
* common/exechelp-w32ce.c, common/exechelp.h, common/get-passphrase.c
* common/get-passphrase.h, common/gettime.c, common/gpgrlhelp.c
* common/helpfile.c, common/homedir.c, common/http.c, common/http.h
* common/i18n.c, common/init.c, common/init.h, common/iobuf.c
* common/iobuf.h, common/localename.c, common/membuf.c, common/membuf.h
* common/miscellaneous.c, common/openpgp-oid.c, common/openpgpdefs.h
* common/percent.c, common/pka.c, common/pka.h, common/session-env.c
* common/session-env.h, common/sexp-parse.h, common/sexputil.c
* common/signal.c, common/srv.c, common/srv.h, common/ssh-utils.c
* common/ssh-utils.h, common/sysutils.c, common/sysutils.h
* common/tlv.c, common/tlv.h, common/ttyio.c, common/ttyio.h
* common/userids.c, common/userids.h, common/xasprintf.c: Change
license to LGPLv3+/GPLv2+/
2012-04-20 15:48:48 +02:00
Werner Koch
f1e9f510ec Add code for explicit selection of pooled A records.
To better cope with round robin pooled A records like keys.gnupg.net
we need to keep some information on unresponsive hosts etc.  What we
do now is to resolve the hostnames, remember them and select a random
one.  If a host is dead it will be marked and a different one
selected.  This is intended to solve the problem of long timeouts due
to unresponsive hosts.

The code is not yet finished but selection works.
2011-04-12 16:30:08 +02:00
Werner Koch
31d7bdfe77 Whole lot of changes to support CE. 2010-04-14 11:24:02 +00:00
Werner Koch
f080b353ed More changes for CE. gpgsm does now build and run a keylisting. 2010-03-24 12:15:30 +00:00
Werner Koch
d8b1099d01 Merged jnlib into common. 2010-03-10 12:24:58 +00:00
Werner Koch
4fa261f8ec Fix possible system freeze on Mac OS X. 2009-05-19 22:39:45 +00:00
Marcus Brinkmann
b60bfbe25c g10/
2008-06-25  Marcus Brinkmann  <marcus@g10code.de>

	* gpg.c (enum cmd_and_opt_values): Remove option
	oEnableW32HandleTranslation.
	(opts): Remove option --enable-w32-handle-translation.
	(main): Remove variable w32_handle_translation.

common/
2008-06-25  Marcus Brinkmann  <marcus@g10code.de>

	Revert last three changes related to handle translation.
	* sysutils.c:
	(FD_TRANSLATE_MAX, fd_translate, fd_translate_len)
	(translate_table_init, translate_table_lookup): Removed.
	* iobuf.c (check_special_filename): Do not use
	translate_table_lookup.
	* sysutils.h (translate_table_init, translate_table_lookup):
	Remove prototypes.
2008-06-25 17:44:26 +00:00
Marcus Brinkmann
02bc6e886c 2008-06-18 Marcus Brinkmann <marcus@g10code.de>
* sysutils.h (translate_table_init, translate_table_lookup): New
	prototypes.
	* sysutils.c: Include <ctype.h>.
	(FD_TRANSLATE_MAX): New macro.
	(fd_translate, fd_translate_len): New static variables.
	(translate_table_init, translate_table_lookup): New functions.
	(translate_sys2libc_fd_int): Translate file descriptor.
	* iobuf.c (check_special_filename): Translate handle values from
	special filenames.
2008-06-18 14:46:05 +00:00
Werner Koch
30a97e770c Poems for AllowSetForegroundWindow (W32) 2008-02-14 19:50:10 +00:00
Werner Koch
033a2c0bc9 Try to make sure that the standard descriptors are connected when calling
gpgsm.
2007-12-03 13:05:15 +00:00
Werner Koch
31c19d1d68 Use Assuan socket wrapper calls.
Made socket servers secure under Windows.
2007-10-01 14:48:39 +00:00
Werner Koch
f81f521a72 Updated estream.
More changes for Windows.
2007-08-22 10:55:07 +00:00
Werner Koch
5f97dd2c44 Translate all file descriptors received from assuan. 2007-07-12 15:28:30 +00:00
Werner Koch
93d3811abc Changed to GPLv3.
Removed intl/.
2007-07-04 19:49:40 +00:00
Werner Koch
a7fe86bc02 More W32 related changes 2007-06-26 13:48:44 +00:00
Werner Koch
831cd76256 Fixed a problem in estream-printf.c.
Changes for Windows (gpgsm -k does now work).
Minor cleanups.
2007-06-25 11:54:43 +00:00
Werner Koch
09cc0ee7be [w32] gpg-agent is now started automagically by gpgsm. 2007-06-20 11:16:42 +00:00
Werner Koch
2c9791db55 First steps towards supporting W32.
This is mainly source code reorganization.
Update gnulib.
g10/ does currently not build.
2007-06-06 18:12:30 +00:00
Werner Koch
f98537733a Updated FSF's address. 2006-06-20 17:21:37 +00:00
Werner Koch
581f5ddb17 * configure.ac: Add PATHSEP_C and PATHSEP_S. For W32 let all
directories default to c:/gnupg.  Require libassuan 0.6.9.

* gpg-agent.c (main) [W32]: Now that Mutexes work we can remove
the pth_init kludge.
(main): Add new options --[no-]use-standard-socket.
(check_for_running_agent): Check whether it is running on the
standard socket.

* sysutils.h [W32]: Define sleep.
* util.h: Add prototype for mkdtemp.

* call-agent.c (start_agent): Before starting a pipe server start
to connect to a server on the standard socket.  Use PATHSEP
* call-dirmngr.c (start_dirmngr): Use PATHSEP.

* import.c: Include unistd.h for dup and close.
2004-12-20 16:17:25 +00:00
Werner Koch
69967b0412 A whole bunch of changes to allow building for W32. 2004-12-15 14:15:54 +00:00
Werner Koch
ac791c0a9a * sysutils.c (disable_core_dumps): Only set the current limit.
(enable_core_dumps): New.

* gpgsm.texi (Esoteric Options): Add --debug-allow-core-dump.

* gpgsm.c: New option --debug-allow-core-dump.

* gpgsm.h (opt): Add member CONFIG_FILENAME.
* gpgsm.c (main): Use it here instead of the local var.

* server.c (gpgsm_server): Print some additional information with
the hello in verbose mode.
2004-05-11 09:54:52 +00:00
Werner Koch
0e06a31d58 * sysutils.c: New. This is the misc.c file from gnupg 1.0.6 with
the OpenPGP stuff removed.
* sysutils.h: New.
2002-01-19 20:58:41 +00:00