2 Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015
3 Ben Kibbey <bjk@luxsci.net>
5 This file is part of libpwmd.
7 Libpwmd is free software: you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation, either version 2 of the License, or
10 (at your option) any later version.
12 Libpwmd is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with Libpwmd. If not, see <http://www.gnu.org/licenses/>.
31 #include <sys/types.h>
32 #include <sys/socket.h>
42 #include <sys/select.h>
62 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
63 #include <sys/types.h>
64 #include <sys/socket.h>
66 #include <netinet/in.h>
69 #define FINISH(rc) (gpg_err_source(rc) == GPG_ERR_SOURCE_UNKNOWN) \
79 hook_read (assuan_context_t ctx
, assuan_fd_t fd
, void *data
, size_t len
)
81 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
82 pwm_t
*pwm
= assuan_get_pointer (ctx
);
85 if (pwm
&& pwm
->tcp
&& pwm
->tcp
->ssh
)
86 return read_hook_ssh (pwm
->tcp
->ssh
, fd
, data
, len
);
89 if (pwm
&& pwm
->tcp
&& pwm
->tcp
->tls
)
90 return read_hook_tls (pwm
, fd
, data
, len
);
94 return read ((int) fd
, data
, len
);
98 hook_write (assuan_context_t ctx
, assuan_fd_t fd
, const void *data
,
102 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
103 pwm_t
*pwm
= assuan_get_pointer (ctx
);
106 if (pwm
&& pwm
->tcp
&& pwm
->tcp
->ssh
)
107 return write_hook_ssh (pwm
->tcp
->ssh
, fd
, data
, len
);
110 if (pwm
&& pwm
->tcp
&& pwm
->tcp
->tls
)
111 return write_hook_tls (pwm
, fd
, data
, len
);
115 /* libassuan cannot handle EAGAIN when doing writes. */
118 wrote
= write ((int) fd
, data
, len
);
119 if (wrote
== -1 && errno
== EAGAIN
)
122 while (wrote
== -1 && errno
== EAGAIN
);
128 hook_waitpid (assuan_context_t ctx
, pid_t pid
, int action
, int *status
,
131 return waitpid (pid
, status
, options
);
137 static int initialized
;
140 // May be called more than once.
141 gnutls_global_init ();
151 bindtextdomain ("libpwmd", LOCALEDIR
);
165 gnutls_global_deinit ();
170 _connect_finalize (pwm_t
* pwm
)
175 int n
= assuan_get_active_fds (pwm
->ctx
, 0, active
, N_ARRAY (active
));
178 return GPG_ERR_EBADFD
;
182 pwm
->pinentry_pid
= -1;
185 rc
= pwmd_command (pwm
, &result
, NULL
, NULL
, NULL
, "GETINFO VERSION");
188 pwm
->version
= strtoul (result
, NULL
, 16);
192 if (!rc
&& pwm
->name
)
193 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION NAME=%s",
200 connect_uds (pwm_t
* pwm
, const char *path
)
202 char *socketpath
= NULL
;
208 return GPG_ERR_INV_ARG
;
210 pwbuf
= _getpwuid (&pw
);
212 return gpg_error_from_syserror ();
215 socketpath
= pwmd_strdup_printf ("%s/.pwmd/socket", pw
.pw_dir
);
217 socketpath
= _expand_homedir ((char *) path
, &pw
);
221 return GPG_ERR_ENOMEM
;
223 rc
= assuan_socket_connect (pwm
->ctx
, socketpath
, ASSUAN_INVALID_FD
, 0);
224 pwmd_free (socketpath
);
225 return rc
? rc
: _connect_finalize (pwm
);
229 init_handle (pwm_t
* pwm
)
232 static struct assuan_malloc_hooks mhooks
= {
233 pwmd_malloc
, pwmd_realloc
, pwmd_free
235 static struct assuan_system_hooks shooks
= {
236 ASSUAN_SYSTEM_HOOKS_VERSION
,
244 NULL
, //sendmsg both are used for FD passing
252 rc
= assuan_new_ext (&pwm
->ctx
, GPG_ERR_SOURCE_DEFAULT
, &mhooks
, NULL
,
257 assuan_set_pointer (pwm
->ctx
, pwm
);
258 assuan_ctx_set_system_hooks (pwm
->ctx
, &shooks
);
262 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
264 free_tcp (pwm_t
*pwm
)
266 struct tcp_s
*tcp
= pwm
->tcp
;
272 _free_ssh_conn (tcp
->ssh
);
278 pwmd_free (tcp
->host
);
281 freeaddrinfo (tcp
->addrs
);
290 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
292 tcp_connect_common (pwm_t
* pwm
)
294 struct addrinfo hints
= { 0 };
302 hints
.ai_family
= AF_UNSPEC
;
305 hints
.ai_family
= AF_INET
;
308 hints
.ai_family
= AF_INET6
;
312 hints
.ai_socktype
= SOCK_STREAM
;
313 snprintf (portstr
, sizeof (portstr
), "%i", pwm
->tcp
->port
);
314 n
= getaddrinfo (pwm
->tcp
->host
, portstr
, &hints
, &pwm
->tcp
->addrs
);
317 fprintf (stderr
, "%s\n", gai_strerror (n
));
318 return GPG_ERR_UNKNOWN_HOST
; //FIXME
321 for (pwm
->tcp
->addr
= pwm
->tcp
->addrs
; pwm
->tcp
->addr
;
322 pwm
->tcp
->addr
= pwm
->tcp
->addrs
->ai_next
)
324 pwm
->fd
= socket (pwm
->tcp
->addr
->ai_family
, SOCK_STREAM
, 0);
327 rc
= gpg_error_from_syserror ();
328 if (pwm
->tcp
->addr
== pwm
->tcp
->addrs
->ai_next
)
333 if (pwm
->socket_timeout
)
334 fcntl (pwm
->fd
, F_SETFL
, O_NONBLOCK
);
336 if (connect (pwm
->fd
, pwm
->tcp
->addr
->ai_addr
,
337 pwm
->tcp
->addr
->ai_family
== AF_INET6
338 ? sizeof (struct sockaddr_in6
)
339 : sizeof (struct sockaddr
)) == -1)
342 struct timeval tv
= { pwm
->socket_timeout
, 0 };
345 rc
= gpg_error_from_syserror ();
346 if (gpg_err_code (rc
) != GPG_ERR_EINPROGRESS
)
350 if (pwm
->tcp
->addr
== pwm
->tcp
->addrs
->ai_next
)
355 FD_SET (pwm
->fd
, &wfds
);
356 n
= select (pwm
->fd
+1, NULL
, &wfds
, NULL
, &tv
);
359 rc
= gpg_error (GPG_ERR_ETIMEDOUT
);
362 socklen_t len
= sizeof(int);
364 getsockopt (pwm
->fd
, SOL_SOCKET
, SO_ERROR
, &n
, &len
);
366 rc
= gpg_error_from_errno (n
);
369 rc
= gpg_error_from_syserror ();
375 if (pwm
->tcp
->addr
== pwm
->tcp
->addrs
->ai_next
376 || gpg_err_code (rc
) == GPG_ERR_ETIMEDOUT
)
386 if (!rc
&& pwm
->socket_timeout
)
387 fcntl (pwm
->fd
, F_SETFL
, 0);
394 pwmd_connect (pwm_t
* pwm
, const char *url
, ...)
400 return FINISH (GPG_ERR_INV_ARG
);
403 rc
= init_handle (pwm
);
408 if (!(pwm
->opts
& OPT_SIGPIPE
))
409 signal (SIGPIPE
, SIG_IGN
);
414 rc
= GPG_ERR_UNSUPPORTED_PROTOCOL
;
417 rc
= connect_uds (pwm
, p
);
418 else if (!p
|| !strncmp (p
, "file://", 7))
422 #ifdef DEFAULT_PWMD_SOCKET
424 p
= DEFAULT_PWMD_SOCKET
;
426 rc
= connect_uds (pwm
, p
);
428 else if (!strncmp (p
, "ssh://", 6) || !strncmp (p
, "ssh6://", 7) ||
429 !strncmp (p
, "ssh4://", 7))
432 return FINISH (GPG_ERR_NOT_IMPLEMENTED
);
436 char *username
= NULL
;
438 if (!strncmp (p
, "ssh6://", 7))
440 pwm
->prot
= PWMD_IPV6
;
443 else if (!strncmp (p
, "ssh4://", 7))
445 pwm
->prot
= PWMD_IPV4
;
450 pwm
->prot
= PWMD_IP_ANY
;
454 rc
= _parse_ssh_url (p
, &host
, &port
, &username
);
458 char *identity
= NULL
;
459 char *knownhosts
= NULL
;
462 identity
= va_arg (ap
, char *);
464 if (!identity
&& !pwm
->use_agent
)
465 rc
= GPG_ERR_INV_ARG
;
467 knownhosts
= va_arg (ap
, char *);
472 rc
= _do_ssh_connect (pwm
, host
, port
, identity
, username
,
476 rc
= _connect_finalize (pwm
);
483 pwmd_free (username
);
484 pwm
->local_pinentry
= 1;
488 else if (!strncmp (p
, "tls://", 6) || !strncmp (p
, "tls6://", 7) ||
489 !strncmp (p
, "tls4://", 7))
492 return FINISH (GPG_ERR_NOT_IMPLEMENTED
);
497 if (!strncmp (p
, "tls6://", 7))
499 pwm
->prot
= PWMD_IPV6
;
502 else if (!strncmp (p
, "tls4://", 7))
504 pwm
->prot
= PWMD_IPV4
;
509 pwm
->prot
= PWMD_IP_ANY
;
513 rc
= _parse_tls_url (p
, &host
, &port
);
517 char *clientcert
= NULL
;
518 char *clientkey
= NULL
;
521 char *server_fp
= NULL
;
524 clientcert
= va_arg (ap
, char *);
527 rc
= GPG_ERR_INV_ARG
;
530 clientkey
= va_arg (ap
, char *);
532 rc
= GPG_ERR_INV_ARG
;
535 cacert
= va_arg (ap
, char *);
537 rc
= GPG_ERR_INV_ARG
;
540 prio
= va_arg (ap
, char *);
541 server_fp
= va_arg (ap
, char *);
549 rc
= _do_tls_connect (pwm
, host
, port
, clientcert
, clientkey
,
550 cacert
, prio
, server_fp
, pwm
->tls_verify
);
553 rc
= _connect_finalize (pwm
);
560 pwm
->local_pinentry
= 1;
569 disconnect (pwm_t
* pwm
)
575 assuan_release (pwm
->ctx
);
577 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
585 pwmd_close (pwm_t
* pwm
)
591 pwmd_free (pwm
->pinentry_error
);
592 pwmd_free (pwm
->pinentry_desc
);
593 pwmd_free (pwm
->pinentry_prompt
);
594 pwmd_free (pwm
->pinentry_tty
);
595 pwmd_free (pwm
->pinentry_display
);
596 pwmd_free (pwm
->pinentry_term
);
597 pwmd_free (pwm
->pinentry_lcctype
);
598 pwmd_free (pwm
->pinentry_lcmessages
);
599 pwmd_free (pwm
->filename
);
600 pwmd_free (pwm
->name
);
601 pwmd_free (pwm
->passphrase_info
);
602 pwmd_free (pwm
->passphrase_hint
);
606 _pinentry_disconnect (pwm
);
613 inquire_realloc_cb (void *data
, const void *buffer
, size_t len
)
615 membuf_t
*mem
= (membuf_t
*) data
;
621 if ((p
= pwmd_realloc (mem
->buf
, mem
->len
+ len
)) == NULL
)
622 return gpg_error (GPG_ERR_ENOMEM
);
625 memcpy ((char *) mem
->buf
+ mem
->len
, buffer
, len
);
631 get_password (pwm_t
* pwm
, char **result
, size_t * len
,
632 pwmd_pinentry_t w
, int echo
)
634 char buf
[LINE_MAX
] = { 0 }, *p
;
635 struct termios told
, tnew
;
644 if (!isatty (STDIN_FILENO
))
646 fprintf (stderr
, N_("Input is not from a terminal! Failing.\n"));
647 return GPG_ERR_ENOTTY
;
652 if (tcgetattr (STDIN_FILENO
, &told
) == -1)
653 return gpg_error_from_syserror ();
655 memcpy (&tnew
, &told
, sizeof (struct termios
));
656 tnew
.c_lflag
&= ~(ECHO
);
657 tnew
.c_lflag
|= ICANON
| ECHONL
;
659 if (tcsetattr (STDIN_FILENO
, TCSANOW
, &tnew
) == -1)
663 tcsetattr (STDIN_FILENO
, TCSANOW
, &told
);
664 return gpg_error_from_errno (n
);
670 case PWMD_PINENTRY_OPEN
:
671 fprintf (stderr
, N_("Password for %s: "), pwm
->filename
);
673 case PWMD_PINENTRY_OPEN_FAILED
:
674 fprintf (stderr
, N_("Invalid password. Password for %s: "),
677 case PWMD_PINENTRY_SAVE
:
678 fprintf (stderr
, N_("New password for %s: "), pwm
->filename
);
680 case PWMD_PINENTRY_SAVE_CONFIRM
:
681 fprintf (stderr
, N_("Confirm password: "));
687 if ((p
= fgets (buf
, sizeof (buf
), stdin
)) == NULL
)
689 tcsetattr (STDIN_FILENO
, TCSANOW
, &told
);
694 tcsetattr (STDIN_FILENO
, TCSANOW
, &told
);
699 return GPG_ERR_CANCELED
;
702 /* Strip the newline character. */
703 p
[strlen (p
) - 1] = 0;
707 key
= pwmd_strdup_printf ("%s", p
);
708 memset (buf
, 0, sizeof (buf
));
710 return GPG_ERR_ENOMEM
;
721 *result
= pwmd_strdup ("");
731 pwmd_password (pwm_t
* pwm
, const char *keyword
, char **data
, size_t * size
)
734 int new_password
= 0;
735 char *password
= NULL
, *newpass
= NULL
;
744 if (!strcmp (keyword
, "NEW_PASSPHRASE"))
747 if (!new_password
&& pwm
->pinentry_try
)
751 if (pwm
->disable_pinentry
)
753 rc
= get_password (pwm
, &password
, size
,
754 new_password
? PWMD_PINENTRY_SAVE
:
755 error
? PWMD_PINENTRY_OPEN_FAILED
:
756 PWMD_PINENTRY_OPEN
, 0);
757 if (!rc
&& new_password
)
758 rc
= get_password (pwm
, &newpass
, size
, PWMD_PINENTRY_SAVE_CONFIRM
,
763 pwmd_pinentry_t which
;
767 ? PWMD_PINENTRY_SAVE_FAILED
: PWMD_PINENTRY_OPEN_FAILED
;
769 which
= new_password
? PWMD_PINENTRY_SAVE
: PWMD_PINENTRY_OPEN
;
771 rc
= pwmd_getpin (pwm
, pwm
->filename
, &password
, size
, which
);
772 if (!rc
&& new_password
)
773 rc
= pwmd_getpin (pwm
, pwm
->filename
, &newpass
, size
,
774 PWMD_PINENTRY_SAVE_CONFIRM
);
777 if (!rc
&& new_password
)
779 if ((!password
&& newpass
) || (!newpass
&& password
)
780 || (newpass
&& password
&& strcmp (newpass
, password
)))
782 if (pwm
->disable_pinentry
)
783 fprintf (stderr
, N_("Passphrases do not match.\n"));
785 pwmd_free (password
);
787 password
= newpass
= NULL
;
793 (void) pwmd_getpin (pwm
, pwm
->filename
, NULL
, NULL
, PWMD_PINENTRY_CLOSE
);
802 inquire_cb (void *data
, const char *keyword
)
804 pwm_t
*pwm
= (pwm_t
*) data
;
809 int new_password
= 0;
811 if (!strcmp (keyword
, "PASSPHRASE"))
813 else if (!strcmp (keyword
, "NEW_PASSPHRASE"))
816 /* Shouldn't get this far without a callback. */
817 if (!pwm
->override_inquire
&& !pwm
->inquire_func
818 && !is_password
&& !new_password
)
819 return gpg_error (GPG_ERR_ASS_NO_INQUIRE_CB
);
828 if (!pwm
->override_inquire
&& (is_password
|| new_password
))
831 rc
= pwmd_password (data
, keyword
, &result
, &len
);
836 rc
= pwm
->inquire_func (pwm
->inquire_data
, keyword
, rc
, &result
,
840 if (rc
&& gpg_err_code (rc
) != GPG_ERR_EOF
)
842 #ifndef LIBASSUAN_2_1_0
843 gpg_error_t trc
= rc
;
845 /* Cancel this inquire. */
846 rc
= assuan_send_data (pwm
->ctx
, NULL
, 1);
852 /* There is a bug (or feature?) in assuan_send_data() that
853 * when cancelling an inquire the next read from the server is
854 * not done until the next command making the next command
855 * fail with GPG_ERR_ASS_UNEXPECTED_CMD.
857 rc
= assuan_read_line (pwm
->ctx
, &line
, &len
);
859 /* Restore the original error. This differs from the error
860 * returned from the pwmd command (GPG_ERR_CANCELED). This
861 * error is returned to the calling function.
870 if (gpg_err_code (rc
) == GPG_ERR_EOF
|| !rc
)
872 if (len
<= 0 && !result
)
877 else if ((len
<= 0 && result
) || (len
&& !result
))
879 rc
= gpg_error (GPG_ERR_INV_ARG
);
883 if (pwm
->inquire_maxlen
884 && pwm
->inquire_sent
+ len
> pwm
->inquire_maxlen
)
886 rc
= gpg_error (GPG_ERR_TOO_LARGE
);
888 rc
= pwm
->inquire_func (pwm
->inquire_data
, keyword
, rc
,
893 arc
= assuan_send_data (pwm
->ctx
, result
, len
);
894 if (gpg_err_code (rc
) == GPG_ERR_EOF
)
907 pwm
->inquire_sent
+= len
;
909 if (pwm
->status_func
)
911 char buf
[ASSUAN_LINELENGTH
];
913 snprintf (buf
, sizeof (buf
), "XFER %lu %lu", pwm
->inquire_sent
,
915 rc
= pwm
->status_func (pwm
->status_data
, buf
);
929 parse_assuan_line (pwm_t
* pwm
)
935 rc
= assuan_read_line (pwm
->ctx
, &line
, &len
);
938 if (line
[0] == 'O' && line
[1] == 'K' &&
939 (line
[2] == 0 || line
[2] == ' '))
942 else if (line
[0] == '#')
945 else if (line
[0] == 'S' && (line
[1] == 0 || line
[1] == ' '))
947 if (pwm
->status_func
)
949 rc
= pwm
->status_func (pwm
->status_data
,
950 line
[1] == 0 ? line
+ 1 : line
+ 2);
953 else if (line
[0] == 'E' && line
[1] == 'R' && line
[2] == 'R' &&
954 (line
[3] == 0 || line
[3] == ' '))
957 rc
= strtol (line
, NULL
, 10);
965 reset_handle (pwm_t
*pwm
)
968 pwm
->pinentry_disabled
= 0;
971 _pinentry_disconnect (pwm
);
973 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
984 pwmd_disconnect (pwm_t
* pwm
)
987 return FINISH (GPG_ERR_INV_ARG
);
990 return FINISH (GPG_ERR_INV_STATE
);
997 /* Note that this should only be called when not in a command. */
999 pwmd_process (pwm_t
* pwm
)
1003 struct timeval tv
= { 0, 0 };
1006 if (!pwm
|| pwm
->fd
== -1)
1007 return FINISH (GPG_ERR_INV_ARG
);
1009 return FINISH (GPG_ERR_INV_STATE
);
1012 FD_SET (pwm
->fd
, &fds
);
1013 n
= select (pwm
->fd
+ 1, &fds
, NULL
, NULL
, &tv
);
1016 return FINISH (gpg_error_from_syserror ());
1020 if (FD_ISSET (pwm
->fd
, &fds
))
1021 rc
= parse_assuan_line (pwm
);
1024 while (!rc
&& assuan_pending_line (pwm
->ctx
))
1025 rc
= parse_assuan_line (pwm
);
1027 #if defined (WITH_SSH) || defined (WITH_GNUTLS)
1028 if (gpg_err_code (rc
) == GPG_ERR_EOF
&& pwm
->tcp
)
1039 status_cb (void *data
, const char *line
)
1043 if (!strncmp (line
, "INQUIRE_MAXLEN ", 15))
1044 pwm
->inquire_maxlen
= strtol (line
+ 15, NULL
, 10);
1045 else if (!strncmp (line
, "PASSPHRASE_HINT ", 16))
1047 pwmd_free (pwm
->passphrase_hint
);
1048 pwm
->passphrase_hint
= pwmd_strdup (line
+16);
1050 else if (!strncmp (line
, "PASSPHRASE_INFO ", 16))
1052 pwmd_free (pwm
->passphrase_info
);
1053 pwm
->passphrase_info
= pwmd_strdup (line
+16);
1056 if (pwm
->status_func
)
1057 return pwm
->status_func (pwm
->status_data
, line
);
1063 _assuan_command (pwm_t
* pwm
, assuan_context_t ctx
,
1064 char **result
, size_t * len
, const char *cmd
)
1070 return FINISH (GPG_ERR_INV_ARG
);
1072 if (strlen (cmd
) >= ASSUAN_LINELENGTH
+ 1)
1073 return FINISH (GPG_ERR_LINE_TOO_LONG
);
1077 rc
= assuan_transact (ctx
, cmd
, inquire_realloc_cb
, &data
,
1079 pwm
->pctx
== ctx
? pwm
->_inquire_func
: inquire_cb
,
1080 pwm
->pctx
== ctx
? pwm
->_inquire_data
: pwm
,
1090 pwmd_free (data
.buf
);
1098 inquire_realloc_cb (&data
, "", 1);
1101 *result
= (char *) data
.buf
;
1103 pwmd_free (data
.buf
);
1110 pwm
->inquire_maxlen
= 0;
1115 pwmd_command_ap (pwm_t
* pwm
, char **result
, size_t * rlen
,
1116 pwmd_inquire_cb_t func
, void *user
, const char *cmd
,
1130 return FINISH (GPG_ERR_INV_ARG
);
1132 return FINISH (GPG_ERR_INV_STATE
);
1135 * C99 allows the dst pointer to be null which will calculate the length
1136 * of the would-be result and return it.
1139 len
= vsnprintf (NULL
, 0, cmd
, ap
) + 1;
1140 buf
= (char *) pwmd_malloc (len
);
1144 return FINISH (GPG_ERR_ENOMEM
);
1147 len
= vsnprintf (buf
, len
, cmd
, ap2
);
1150 if (buf
[strlen (buf
) - 1] == '\n')
1151 buf
[strlen (buf
) - 1] = 0;
1152 if (buf
[strlen (buf
) - 1] == '\r')
1153 buf
[strlen (buf
) - 1] = 0;
1155 pwm
->inquire_func
= func
;
1156 pwm
->inquire_data
= user
;
1157 pwm
->inquire_sent
= 0;
1158 gpg_error_t rc
= _assuan_command (pwm
, pwm
->ctx
, result
, rlen
, buf
);
1164 pwmd_command (pwm_t
* pwm
, char **result
, size_t * len
,
1165 pwmd_inquire_cb_t func
, void *user
, const char *cmd
, ...)
1176 return FINISH (GPG_ERR_INV_ARG
);
1178 return FINISH (GPG_ERR_INV_STATE
);
1181 gpg_error_t rc
= pwmd_command_ap (pwm
, result
, len
, func
, user
, cmd
, ap
);
1187 send_pinentry_options (pwm_t
* pwm
)
1191 // Pwmd >= 3.1 uses gpgme to do the pinentry settings.
1192 if (pwm
->version
&& pwm
->version
>= 0x030100)
1195 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
,
1196 "OPTION disable-pinentry=0");
1197 if (!rc
&& pwm
->pinentry_tty
)
1198 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION TTYNAME=%s",
1201 if (!rc
&& pwm
->pinentry_term
)
1202 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION TTYTYPE=%s",
1203 pwm
->pinentry_term
);
1205 if (!rc
&& pwm
->pinentry_display
)
1206 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION DISPLAY=%s",
1207 pwm
->pinentry_display
);
1209 if (!rc
&& pwm
->pinentry_desc
)
1210 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION DESC=%s",
1211 pwm
->pinentry_desc
);
1213 if (!rc
&& pwm
->pinentry_lcctype
)
1214 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION LC_CTYPE=%s",
1215 pwm
->pinentry_lcctype
);
1217 if (!rc
&& pwm
->pinentry_lcmessages
)
1218 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION LC_MESSAGES=%s",
1219 pwm
->pinentry_lcmessages
);
1221 if (!rc
&& pwm
->pinentry_timeout
>= 0)
1222 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
,
1223 "OPTION pinentry-timeout=%i", pwm
->pinentry_timeout
);
1229 pwmd_socket_type (pwm_t
* pwm
, pwmd_socket_t
* result
)
1231 if (!pwm
|| !result
)
1232 return FINISH (GPG_ERR_INV_ARG
);
1234 *result
= PWMD_SOCKET_LOCAL
;
1237 return FINISH (GPG_ERR_INV_STATE
);
1239 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
1241 if (pwm
->tcp
&& pwm
->tcp
->ssh
)
1242 *result
= PWMD_SOCKET_SSH
;
1245 if (pwm
->tcp
&& pwm
->tcp
->tls
)
1246 *result
= PWMD_SOCKET_TLS
;
1253 disable_pinentry (pwm_t
*pwm
, int *disable
)
1256 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
1257 int no_pinentry
= pwm
->disable_pinentry
|| pwm
->tcp
|| pwm
->local_pinentry
;
1259 int no_pinentry
= pwm
->disable_pinentry
|| pwm
->local_pinentry
;
1263 *disable
= no_pinentry
;
1265 if (pwm
->pinentry_disabled
&& no_pinentry
)
1267 else if (!pwm
->pinentry_disabled
&& !no_pinentry
)
1270 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
, "OPTION disable-pinentry=%i",
1273 pwm
->pinentry_disabled
= no_pinentry
;
1279 pwmd_open (pwm_t
* pwm
, const char *filename
, pwmd_inquire_cb_t cb
,
1283 int no_pinentry
= 0;
1285 if (!pwm
|| !filename
|| !*filename
)
1286 return FINISH (GPG_ERR_INV_ARG
);
1289 return FINISH (GPG_ERR_INV_STATE
);
1291 rc
= disable_pinentry (pwm
, &no_pinentry
);
1292 if (!rc
&& !no_pinentry
)
1293 rc
= send_pinentry_options (pwm
);
1297 pwm
->pinentry_try
= 0;
1298 pwmd_free (pwm
->filename
);
1299 pwm
->filename
= pwmd_strdup (filename
);
1303 rc
= pwmd_command (pwm
, NULL
, NULL
, cb
, data
, "OPEN %s%s",
1304 (pwm
->opts
& OPT_LOCK_ON_OPEN
) ? "--lock " : "",
1307 while (gpg_err_code (rc
) == GPG_ERR_BAD_PASSPHRASE
1308 && pwm
->pinentry_disabled
1309 && ++pwm
->pinentry_try
< pwm
->pinentry_tries
);
1311 pwm
->pinentry_try
= 0;
1315 pwmd_free (pwm
->filename
);
1316 pwm
->filename
= NULL
;
1324 do_pwmd_save_passwd (pwm_t
* pwm
, const char *args
, pwmd_inquire_cb_t cb
,
1325 void *data
, int save
)
1330 return FINISH (GPG_ERR_INV_ARG
);
1332 return FINISH (GPG_ERR_INV_STATE
);
1334 rc
= disable_pinentry (pwm
, NULL
);
1336 rc
= pwmd_command (pwm
, NULL
, NULL
, cb
, data
,
1337 save
? "SAVE %s" : "PASSWD %s", args
? args
: "");
1343 pwmd_passwd (pwm_t
* pwm
, const char *args
, pwmd_inquire_cb_t cb
, void *data
)
1345 return do_pwmd_save_passwd (pwm
, args
, cb
, data
, 0);
1349 pwmd_save (pwm_t
* pwm
, const char *args
, pwmd_inquire_cb_t cb
, void *data
)
1351 return do_pwmd_save_passwd (pwm
, args
, cb
, data
, 1);
1355 pwmd_get_set_opt (pwm_t
*pwm
, pwmd_option_t opt
, int get
, va_list ap
)
1359 char *arg1
, **charpp
;
1363 return GPG_ERR_INV_ARG
;
1367 case PWMD_OPTION_SIGPIPE
:
1370 intp
= va_arg (ap
, int *);
1371 *intp
= pwm
->opts
& OPT_SIGPIPE
? 1 : 0;
1375 n
= va_arg (ap
, int);
1377 rc
= GPG_ERR_INV_VALUE
;
1380 pwm
->opts
|= OPT_SIGPIPE
;
1382 pwm
->opts
&= ~OPT_SIGPIPE
;
1385 case PWMD_OPTION_LOCK_ON_OPEN
:
1388 intp
= va_arg (ap
, int *);
1389 *intp
= pwm
->opts
& OPT_LOCK_ON_OPEN
? 1 : 0;
1393 n
= va_arg (ap
, int);
1396 rc
= GPG_ERR_INV_VALUE
;
1399 pwm
->opts
|= OPT_LOCK_ON_OPEN
;
1401 pwm
->opts
&= ~OPT_LOCK_ON_OPEN
;
1404 case PWMD_OPTION_INQUIRE_TOTAL
:
1407 sizetp
= va_arg (ap
, size_t *);
1408 *sizetp
= pwm
->inquire_total
;
1412 pwm
->inquire_total
= va_arg (ap
, size_t);
1414 case PWMD_OPTION_STATUS_CB
:
1417 pwmd_status_cb_t
*cb
= va_arg (ap
, pwmd_status_cb_t
*);
1419 *cb
= pwm
->status_func
;
1423 pwm
->status_func
= va_arg (ap
, pwmd_status_cb_t
);
1425 case PWMD_OPTION_STATUS_DATA
:
1428 void **data
= va_arg (ap
, void **);
1430 *data
= pwm
->status_data
;
1434 pwm
->status_data
= va_arg (ap
, void *);
1436 case PWMD_OPTION_NO_PINENTRY
:
1439 intp
= va_arg (ap
, int *);
1440 *intp
= pwm
->disable_pinentry
;
1444 n
= va_arg (ap
, int);
1447 rc
= GPG_ERR_INV_VALUE
;
1449 pwm
->disable_pinentry
= n
;
1451 if (!rc
&& pwm
->ctx
)
1452 rc
= disable_pinentry (pwm
, NULL
);
1454 case PWMD_OPTION_LOCAL_PINENTRY
:
1457 intp
= va_arg (ap
, int *);
1458 *intp
= pwm
->local_pinentry
;
1462 n
= va_arg (ap
, int);
1465 rc
= GPG_ERR_INV_VALUE
;
1467 pwm
->local_pinentry
= n
;
1470 case PWMD_OPTION_PINENTRY_TIMEOUT
:
1473 intp
= va_arg (ap
, int *);
1474 *intp
= pwm
->pinentry_timeout
;
1478 n
= va_arg (ap
, int);
1481 rc
= GPG_ERR_INV_VALUE
;
1483 pwm
->pinentry_timeout
= n
;
1485 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
1486 if (!rc
&& pwm
->fd
!= -1 && !pwm
->tcp
)
1488 if (!rc
&& pwm
->fd
!= -1)
1490 rc
= pwmd_command (pwm
, NULL
, NULL
, NULL
, NULL
,
1491 "OPTION pinentry-timeout=%i", pwm
->pinentry_timeout
);
1493 case PWMD_OPTION_PINENTRY_TRIES
:
1496 intp
= va_arg (ap
, int *);
1497 *intp
= pwm
->pinentry_tries
;
1501 n
= va_arg (ap
, int);
1502 pwm
->pinentry_tries
= n
;
1504 case PWMD_OPTION_PINENTRY_PATH
:
1507 charpp
= va_arg (ap
, char **);
1508 *charpp
= pwm
->pinentry_path
;
1512 arg1
= va_arg (ap
, char *);
1513 pwmd_free (pwm
->pinentry_path
);
1514 pwm
->pinentry_path
= arg1
? _expand_homedir (arg1
, NULL
) : NULL
;
1516 case PWMD_OPTION_PINENTRY_TTY
:
1519 charpp
= va_arg (ap
, char **);
1520 *charpp
= pwm
->pinentry_tty
;
1524 arg1
= va_arg (ap
, char *);
1525 pwmd_free (pwm
->pinentry_tty
);
1526 pwm
->pinentry_tty
= arg1
? pwmd_strdup (arg1
) : NULL
;
1528 case PWMD_OPTION_PINENTRY_DISPLAY
:
1531 charpp
= va_arg (ap
, char **);
1532 *charpp
= pwm
->pinentry_display
;
1536 arg1
= va_arg (ap
, char *);
1537 pwmd_free (pwm
->pinentry_display
);
1538 pwm
->pinentry_display
= arg1
? pwmd_strdup (arg1
) : NULL
;
1540 case PWMD_OPTION_PINENTRY_TERM
:
1543 charpp
= va_arg (ap
, char **);
1544 *charpp
= pwm
->pinentry_term
;
1548 arg1
= va_arg (ap
, char *);
1549 pwmd_free (pwm
->pinentry_term
);
1550 pwm
->pinentry_term
= arg1
? pwmd_strdup (arg1
) : NULL
;
1552 case PWMD_OPTION_PINENTRY_ERROR
:
1555 charpp
= va_arg (ap
, char **);
1556 *charpp
= pwm
->pinentry_error
;
1560 arg1
= va_arg (ap
, char *);
1561 pwmd_free (pwm
->pinentry_error
);
1562 pwm
->pinentry_error
= arg1
? _percent_escape (arg1
) : NULL
;
1564 case PWMD_OPTION_PINENTRY_PROMPT
:
1567 charpp
= va_arg (ap
, char **);
1568 *charpp
= pwm
->pinentry_prompt
;
1572 arg1
= va_arg (ap
, char *);
1573 pwmd_free (pwm
->pinentry_prompt
);
1574 pwm
->pinentry_prompt
= arg1
? _percent_escape (arg1
) : NULL
;
1576 case PWMD_OPTION_PINENTRY_DESC
:
1579 charpp
= va_arg (ap
, char **);
1580 *charpp
= pwm
->pinentry_desc
;
1584 arg1
= va_arg (ap
, char *);
1585 pwmd_free (pwm
->pinentry_desc
);
1586 pwm
->pinentry_desc
= arg1
? _percent_escape (arg1
) : NULL
;
1588 case PWMD_OPTION_PINENTRY_LC_CTYPE
:
1591 charpp
= va_arg (ap
, char **);
1592 *charpp
= pwm
->pinentry_lcctype
;
1596 arg1
= va_arg (ap
, char *);
1597 pwmd_free (pwm
->pinentry_lcctype
);
1598 pwm
->pinentry_lcctype
= arg1
? pwmd_strdup (arg1
) : NULL
;
1600 case PWMD_OPTION_PINENTRY_LC_MESSAGES
:
1603 charpp
= va_arg (ap
, char **);
1604 *charpp
= pwm
->pinentry_lcmessages
;
1608 arg1
= va_arg (ap
, char *);
1609 pwmd_free (pwm
->pinentry_lcmessages
);
1610 pwm
->pinentry_lcmessages
= arg1
? pwmd_strdup (arg1
) : NULL
;
1612 case PWMD_OPTION_KNOWNHOST_CB
:
1615 pwmd_knownhost_cb_t
*cb
= va_arg (ap
, pwmd_knownhost_cb_t
*);
1621 pwm
->kh_cb
= va_arg (ap
, pwmd_knownhost_cb_t
);
1623 case PWMD_OPTION_KNOWNHOST_DATA
:
1626 void **data
= va_arg (ap
, void **);
1628 *data
= pwm
->kh_data
;
1632 pwm
->kh_data
= va_arg (ap
, void *);
1634 case PWMD_OPTION_SSH_AGENT
:
1637 intp
= va_arg (ap
, int *);
1638 *intp
= pwm
->use_agent
;
1642 pwm
->use_agent
= va_arg (ap
, int);
1644 if (pwm
->use_agent
< 0 || pwm
->use_agent
> 1)
1647 rc
= GPG_ERR_INV_VALUE
;
1650 case PWMD_OPTION_TLS_VERIFY
:
1653 intp
= va_arg (ap
, int *);
1654 *intp
= pwm
->tls_verify
;
1658 pwm
->tls_verify
= va_arg (ap
, int);
1660 if (pwm
->tls_verify
< 0 || pwm
->tls_verify
> 1)
1662 pwm
->tls_verify
= 0;
1663 rc
= GPG_ERR_INV_VALUE
;
1666 case PWMD_OPTION_SOCKET_TIMEOUT
:
1669 intp
= va_arg (ap
, int *);
1670 *intp
= pwm
->socket_timeout
;
1674 pwm
->socket_timeout
= va_arg (ap
, int);
1675 if (pwm
->socket_timeout
< 0)
1677 pwm
->socket_timeout
= 0;
1678 rc
= GPG_ERR_INV_VALUE
;
1682 if (pwm
->tcp
&& pwm
->tcp
->ssh
&& pwm
->tcp
->ssh
->session
)
1684 pwm
->tcp
->ssh
->timeout
= pwm
->socket_timeout
;
1685 libssh2_session_set_timeout (pwm
->tcp
->ssh
->session
,
1686 pwm
->socket_timeout
* 1000);
1690 if (pwm
->tcp
&& pwm
->tcp
->tls
&& pwm
->tcp
->tls
->session
)
1691 pwm
->tcp
->tls
->timeout
= pwm
->socket_timeout
;
1694 case PWMD_OPTION_OVERRIDE_INQUIRE
:
1697 intp
= va_arg (ap
, int *);
1698 *intp
= pwm
->override_inquire
;
1702 pwm
->override_inquire
= va_arg (ap
, int);
1704 if (pwm
->override_inquire
< 0 || pwm
->override_inquire
> 1)
1706 pwm
->override_inquire
= 0;
1707 rc
= GPG_ERR_INV_VALUE
;
1711 rc
= GPG_ERR_UNKNOWN_OPTION
;
1719 pwmd_setopt (pwm_t
* pwm
, pwmd_option_t opt
, ...)
1725 rc
= pwmd_get_set_opt (pwm
, opt
, 0, ap
);
1731 pwmd_getopt (pwm_t
*pwm
, pwmd_option_t opt
, ...)
1737 rc
= pwmd_get_set_opt (pwm
, opt
, 1, ap
);
1743 pwmd_new (const char *name
, pwm_t
** pwm
)
1745 pwm_t
*h
= pwmd_calloc (1, sizeof (pwm_t
));
1749 return FINISH (GPG_ERR_ENOMEM
);
1753 h
->name
= pwmd_strdup (name
);
1757 return FINISH (GPG_ERR_ENOMEM
);
1762 h
->pinentry_timeout
= -1;
1763 h
->pinentry_tries
= 3;
1764 #if defined(WITH_SSH) || defined(WITH_GNUTLS)
1765 h
->prot
= PWMD_IP_ANY
;
1768 if (ttyname (STDOUT_FILENO
))
1772 ttyname_r (STDOUT_FILENO
, buf
, sizeof (buf
));
1773 h
->pinentry_tty
= pwmd_strdup (buf
);
1774 if (!h
->pinentry_tty
)
1776 rc
= GPG_ERR_ENOMEM
;
1781 if (getenv ("TERM") && h
->pinentry_tty
)
1783 h
->pinentry_term
= pwmd_strdup (getenv ("TERM"));
1784 if (!h
->pinentry_term
)
1786 rc
= GPG_ERR_ENOMEM
;
1791 if (getenv ("DISPLAY"))
1793 h
->pinentry_display
= pwmd_strdup (getenv ("DISPLAY"));
1794 if (!h
->pinentry_display
)
1796 rc
= GPG_ERR_ENOMEM
;
1801 update_pinentry_settings (h
);
1811 pwmd_free (void *ptr
)
1817 pwmd_malloc (size_t size
)
1819 return _xmalloc (size
);
1823 pwmd_calloc (size_t nmemb
, size_t size
)
1825 return _xcalloc (nmemb
, size
);
1829 pwmd_realloc (void *ptr
, size_t size
)
1831 return _xrealloc (ptr
, size
);
1835 pwmd_strdup (const char *str
)
1842 t
= _xmalloc ((len
+ 1) * sizeof (char));
1846 for (c
= 0; c
< len
; c
++)
1854 pwmd_strdup_printf (const char *fmt
, ...)
1865 len
= vsnprintf (NULL
, 0, fmt
, ap
);
1867 buf
= pwmd_malloc (++len
);
1869 vsnprintf (buf
, len
, fmt
, ap2
);
1876 pwmd_getpin (pwm_t
* pwm
, const char *filename
, char **result
,
1877 size_t * len
, pwmd_pinentry_t which
)
1879 #ifndef WITH_PINENTRY
1880 return FINISH (GPG_ERR_NOT_IMPLEMENTED
);
1882 gpg_error_t rc
= _pwmd_getpin (pwm
, filename
, result
, len
, which
);
1891 return LIBPWMD_VERSION_STR
;
1899 #ifdef WITH_PINENTRY
1900 n
|= PWMD_FEATURE_PINENTRY
;
1903 n
|= PWMD_FEATURE_SSH
;
1906 n
|= PWMD_FEATURE_CRACK
;
1909 n
|= PWMD_FEATURE_GNUTLS
;
1915 pwmd_fd (pwm_t
* pwm
, int *fd
)
1918 return FINISH (GPG_ERR_INV_ARG
);
1921 return FINISH (GPG_ERR_INV_STATE
);
1928 pwmd_set_pointer (pwm_t
*pwm
, void *data
)
1930 pwm
->user_data
= data
;
1934 pwmd_get_pointer (pwm_t
*pwm
)
1936 return pwm
->user_data
;
1940 pwmd_tls_error (pwm_t
*pwm
)
1945 return pwm
? pwm
->tls_error
: 0;