2 Copyright (C) 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015,
4 Ben Kibbey <bjk@luxsci.net>
6 This file is part of pwmd.
8 Pwmd is free software: you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation, either version 2 of the License, or
11 (at your option) any later version.
13 Pwmd is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with Pwmd. If not, see <http://www.gnu.org/licenses/>.
30 #include <sys/types.h>
40 #include "pwmd-error.h"
45 #include "util-misc.h"
54 /* These are command option flags. */
55 #define OPT_INQUIRE 0x0001
56 #define OPT_NO_PASSPHRASE 0x0002
57 #define OPT_ASK 0x0004
58 #define OPT_LIST_RECURSE 0x0008
59 #define OPT_VERBOSE 0x0010
60 #define OPT_LOCK 0x0020
61 #define OPT_LOCK_ON_OPEN 0x0040
62 #define OPT_SIGN 0x0080
63 #define OPT_LIST_ALL 0x0100
64 #define OPT_DATA 0x0200
65 #define OPT_NO_AGENT 0x0400
66 #define OPT_SECRET_ONLY 0x0800
67 #define OPT_INQUIRE_KEYID 0x1000
68 #define OPT_INQUIRE_SIGN_KEYID 0x2000
69 #define OPT_SYMMETRIC 0x4000
70 #define OPT_NO_SIGNER 0x8000
71 #define OPT_HTML 0x10000
72 #define OPT_CACHE_AGENT 0x20000
73 #define OPT_CACHE_SIGN 0x40000
75 #define FLOCK_TYPE_NONE 0
76 #define FLOCK_TYPE_SH 0x0001
77 #define FLOCK_TYPE_EX 0x0002
78 #define FLOCK_TYPE_KEEP 0x0004
80 struct command_table_s
83 gpg_error_t (*handler
) (assuan_context_t
, char *line
);
86 int unlock
; // unlock the file mutex after validating the checksum
90 static struct command_table_s
**command_table
;
92 static gpg_error_t
do_lock (struct client_s
*client
, int add
);
93 static gpg_error_t
validate_checksum (struct client_s
*, const char *filename
,
94 struct cache_data_s
*, unsigned char **,
96 static gpg_error_t
update_checksum (struct client_s
*client
);
98 /* When 'status' is true the 'self' field of the status line will be false
99 * because we never send the STATE status message to the same client that
102 build_client_info_line (struct client_thread_s
*thd
, int status
)
104 char *uid
, *username
= NULL
;
106 char *name
= pthread_getspecific (thread_name_key
);
110 uid
= str_asprintf("#%s", thd
->tls
->fp
);
113 uid
= str_asprintf("%u", thd
->peer
->uid
);
114 username
= get_username (thd
->peer
->uid
);
117 uid
= str_asprintf("%u", thd
->peer
->uid
);
118 username
= get_username (thd
->peer
->uid
);
120 line
= str_asprintf ("%p %s %s %s %u %u %u %s %s %u",
123 thd
->cl
&& thd
->cl
->filename
124 && (thd
->cl
->flags
& FLAG_OPEN
)
125 ? thd
->cl
->filename
: "/",
127 thd
->remote
? thd
->peeraddr
: "-",
131 thd
->cl
&& thd
->cl
->flags
& FLAG_HAS_LOCK
? 1 : 0,
132 !status
&& pthread_equal (pthread_self (), thd
->tid
) ? 1 : 0,
135 thd
->remote
? "-" : username
,
148 update_client_state (struct client_s
*client
, unsigned s
)
150 MUTEX_LOCK (&cn_mutex
);
151 client
->thd
->state
= s
;
152 MUTEX_UNLOCK (&cn_mutex
);
154 if (client
->thd
->state
!= CLIENT_STATE_UNKNOWN
)
156 char *line
= build_client_info_line (client
->thd
, 1);
158 pthread_cleanup_push (xfree
, line
);
160 send_status_all_not_self (STATUS_STATE
, "%s", line
);
161 pthread_cleanup_pop (1);
166 unlock_file_mutex (struct client_s
*client
, int remove
)
170 // OPEN: keep the lock for the same file being reopened.
171 if (client
->flags
& FLAG_KEEP_LOCK
&& client
->flags
& FLAG_HAS_LOCK
)
174 if (!(client
->flags
& FLAG_HAS_LOCK
))
175 return GPG_ERR_NOT_LOCKED
;
177 rc
= cache_unlock_mutex (client
->filename
, remove
);
179 rc
= GPG_ERR_INV_STATE
;
181 client
->flags
&= ~(FLAG_HAS_LOCK
| FLAG_LOCK_CMD
);
187 lock_file_mutex (struct client_s
*client
, int add
)
190 int timeout
= config_get_integer (client
->filename
, "cache_timeout");
192 if (client
->flags
& FLAG_HAS_LOCK
)
195 rc
= cache_lock_mutex (client
->ctx
, client
->filename
,
196 client
->lock_timeout
, add
, timeout
);
198 client
->flags
|= FLAG_HAS_LOCK
;
204 file_modified (struct client_s
*client
, struct command_table_s
*cmd
)
207 int type
= !cmd
->flock_type
|| (cmd
->flock_type
& FLOCK_TYPE_SH
)
210 if (!(client
->flags
& FLAG_OPEN
))
211 return GPG_ERR_INV_STATE
;
213 rc
= lock_file_mutex (client
, 0);
214 if (rc
&& rc
!= GPG_ERR_NO_DATA
)
217 rc
= lock_flock (client
->ctx
, client
->filename
, type
, &client
->flock_fd
);
220 rc
= validate_checksum (client
, client
->filename
, NULL
, NULL
, NULL
);
221 if (gpg_err_code (rc
) == GPG_ERR_ENOENT
&& (client
->flags
& FLAG_NEW
))
224 log_write ("%s: %s", client
->filename
, pwmd_strerror (rc
));
226 else if (gpg_err_code (rc
) == GPG_ERR_ENOENT
)
229 /* FLAG_HAS_LOCK may have been set by the LOCK command or OPEN --lock. */
230 if ((cmd
->unlock
&& !(client
->flags
& FLAG_HAS_LOCK
)) || rc
)
231 unlock_file_mutex (client
, 0);
233 if (rc
|| !(cmd
->flock_type
& FLOCK_TYPE_KEEP
))
234 unlock_flock (&client
->flock_fd
);
240 parse_xml (assuan_context_t ctx
, int new)
242 struct client_s
*client
= assuan_get_pointer (ctx
);
243 int cached
= client
->doc
!= NULL
;
248 client
->doc
= xml_new_document ();
254 xmlDocDumpFormatMemory (client
->doc
, &result
, &len
, 0);
255 client
->crypto
->plaintext
= result
;
256 client
->crypto
->plaintext_size
= len
;
257 if (!client
->crypto
->plaintext
)
259 xmlFreeDoc (client
->doc
);
268 rc
= xml_parse_doc ((char *) client
->crypto
->plaintext
,
269 client
->crypto
->plaintext_size
,
270 (xmlDocPtr
*)&client
->doc
);
276 free_client (struct client_s
*client
)
279 xmlFreeDoc (client
->doc
);
282 xfree (client
->filename
);
283 xfree (client
->last_error
);
284 crypto_free (client
->crypto
);
285 client
->crypto
= NULL
;
289 reset_client (struct client_s
*client
)
291 assuan_context_t ctx
= client
->ctx
;
292 struct client_thread_s
*thd
= client
->thd
;
293 long lock_timeout
= client
->lock_timeout
;
294 xmlErrorPtr xml_error
= client
->xml_error
;
295 int no_pinentry
= (client
->flags
& FLAG_NO_PINENTRY
);
296 int flock_fd
= client
->flock_fd
;
298 unlock_file_mutex (client
, client
->flags
& FLAG_NEW
);
299 free_client (client
);
300 memset (client
, 0, sizeof (struct client_s
));
301 client
->flock_fd
= flock_fd
;
302 client
->xml_error
= xml_error
;
305 client
->lock_timeout
= lock_timeout
;
306 client
->flags
|= no_pinentry
? FLAG_NO_PINENTRY
: 0;
315 strv_free ((char **) arg
);
319 parse_open_opt_lock (void *data
, void *value
)
321 struct client_s
*client
= data
;
324 client
->opts
|= OPT_LOCK_ON_OPEN
;
329 parse_opt_inquire (void *data
, void *value
)
331 struct client_s
*client
= data
;
334 client
->opts
|= OPT_INQUIRE
;
339 update_checksum (struct client_s
*client
)
343 struct cache_data_s
*cdata
;
344 gpg_error_t rc
= get_checksum (client
->filename
, &crc
, &len
);
351 cdata
= cache_get_data (client
->filename
);
355 cdata
->crc
= xmalloc (len
);
356 memcpy (cdata
->crc
, crc
, len
);
363 validate_checksum (struct client_s
*client
, const char *filename
,
364 struct cache_data_s
*cdata
, unsigned char **r_crc
,
372 if (cdata
&& !cdata
->crc
)
373 return GPG_ERR_CHECKSUM
;
375 rc
= get_checksum (filename
, &crc
, &len
);
380 n
= memcmp (cdata
->crc
, crc
, len
);
381 else if (client
->crc
)
382 n
= memcmp (client
->crc
, crc
, len
);
392 return n
? GPG_ERR_CHECKSUM
: 0;
396 open_command (assuan_context_t ctx
, char *line
)
399 struct client_s
*client
= assuan_get_pointer (ctx
);
400 char **req
, *filename
;
402 assuan_peercred_t peer
;
403 struct cache_data_s
*cdata
= NULL
;
405 unsigned char *crc
= NULL
;
407 struct argv_s
*args
[] = {
408 &(struct argv_s
) {"lock", OPTION_TYPE_NOARG
, parse_open_opt_lock
},
412 rc
= parse_options (&line
, args
, client
, 1);
414 return send_error (ctx
, rc
);
416 req
= str_split (line
, " ", 2);
418 return send_error (ctx
, GPG_ERR_SYNTAX
);
420 rc
= do_validate_peer (ctx
, req
[0], &peer
);
421 if (rc
== GPG_ERR_FORBIDDEN
)
422 rc
= peer_is_invoker (client
);
427 return send_error (ctx
, rc
);
431 if (!valid_filename (filename
))
434 return send_error (ctx
, GPG_ERR_INV_VALUE
);
437 pthread_cleanup_push ((void *)req_free
, req
);
438 /* This client may have locked a different file with ISCACHED --lock than
439 * the current filename. This will remove that lock. */
440 same_file
= client
->filename
&& !strcmp (filename
, client
->filename
);
441 if (client
->flags
& FLAG_OPEN
||
442 (client
->flags
& FLAG_HAS_LOCK
&& !same_file
))
444 uint32_t opts
= client
->opts
;
445 uint32_t flags
= client
->flags
;
448 client
->flags
|= FLAG_KEEP_LOCK
;
449 else if (client
->flags
& FLAG_NEW
)
450 cache_clear (NULL
, client
->filename
, 0);
452 reset_client (client
);
454 client
->flags
|= flags
;
455 client
->flags
&= ~(FLAG_LOCK_CMD
);
457 client
->flags
&= ~(FLAG_HAS_LOCK
| FLAG_NEW
);
460 client
->filename
= str_dup (filename
);
461 if (!client
->filename
)
464 return send_error(ctx
, GPG_ERR_ENOMEM
);
467 /* Need to lock the mutex here because file_modified() cannot without
468 * knowing the filename. */
469 rc
= lock_file_mutex (client
, 1);
471 client
->flags
&= ~FLAG_OPEN
;
475 rc
= lock_flock (ctx
, filename
, LOCK_SH
, &client
->flock_fd
);
476 if (gpg_err_code (rc
) == GPG_ERR_ENOENT
)
482 char *keyfile
= config_get_string (client
->filename
, "passphrase_file");
484 rc
= crypto_init (&client
->crypto
, client
->ctx
, client
->filename
,
485 client
->flags
& FLAG_NO_PINENTRY
, keyfile
);
489 rc
= open_check_file (client
->filename
, NULL
, NULL
, 1);
492 if (!rc
|| gpg_err_code (rc
) == GPG_ERR_ENOENT
)
494 cdata
= cache_get_data (client
->filename
);
499 client
->flags
|= FLAG_NEW
;
500 // data file disappeared. clear the cache entry.
501 cache_clear (NULL
, client
->filename
, 1);
504 else if (cdata
&& cdata
->doc
) // cached document
509 if (!rc
&& !(client
->flags
& FLAG_NEW
))
511 rc
= validate_checksum (client
, client
->filename
, cdata
, &crc
,
513 if (rc
== GPG_ERR_CHECKSUM
)
522 rc
= cache_iscached (client
->filename
, &defer
, 0, 0);
523 if ((!rc
|| rc
== GPG_ERR_ENOENT
) && defer
)
533 log_write ("%s: %s", client
->filename
,
534 pwmd_strerror (GPG_ERR_CHECKSUM
));
535 cache_clear (NULL
, client
->filename
, 1);
537 rc
= crypto_decrypt (client
, client
->crypto
);
542 if (client
->thd
->remote
543 && config_get_boolean (client
->filename
, "tcp_require_key")
544 && !(client
->flags
& FLAG_NEW
))
545 rc
= crypto_try_decrypt (client
,
546 (client
->flags
& FLAG_NO_PINENTRY
));
552 client
->crypto
->plaintext
= cdata
->doc
;
553 client
->crypto
->plaintext_size
= cdata
->size
;
554 rc
= cache_decrypt (client
->crypto
);
559 strv_free (client
->crypto
->pubkey
);
560 strv_free (client
->crypto
->sigkey
);
561 client
->crypto
->pubkey
= strv_dup (cdata
->pubkey
);
562 client
->crypto
->sigkey
= strv_dup (cdata
->sigkey
);
567 client
->crypto
->plaintext
= NULL
;
568 client
->crypto
->plaintext_size
= 0;
572 else // existing file
574 cached
= cdata
!= NULL
;
575 rc
= crypto_decrypt (client
, client
->crypto
);
581 rc
= parse_xml (ctx
, client
->flags
& FLAG_NEW
);
584 rc
= cache_encrypt (client
->crypto
);
586 cache_clear (NULL
, client
->filename
, 1);
589 int timeout
= config_get_integer (client
->filename
,
592 cache_free_data_once (cdata
);
593 cdata
= xcalloc (1, sizeof (struct cache_data_s
));
594 cdata
->doc
= client
->crypto
->plaintext
;
595 cdata
->size
= client
->crypto
->plaintext_size
;
596 cdata
->pubkey
= strv_dup(client
->crypto
->pubkey
);
597 cdata
->sigkey
= strv_dup(client
->crypto
->sigkey
);
598 client
->crypto
->plaintext
= NULL
;
599 client
->crypto
->plaintext_size
= 0;
601 if (cached
) // wont increment the refcount
603 /* Prevent using another FD to update the checksum for a
604 * cached data file. The validity has already been
607 client
->crc
= xmalloc (crclen
);
608 memcpy (client
->crc
, crc
, crclen
);
610 cdata
->crc
= xmalloc (crclen
);
611 memcpy (cdata
->crc
, crc
, crclen
);
613 rc
= cache_set_data (client
->filename
, cdata
);
614 /* The cache entry may have been removed and cache_set_data()
615 * already sent STATUS_CACHE. */
616 if (!cache_iscached (client
->filename
, NULL
, 0, 0))
617 rc
= send_status (ctx
, STATUS_CACHE
, NULL
);
620 rc
= cache_add_file (client
->filename
, cdata
, timeout
);
625 pthread_cleanup_pop (1);
628 if (!rc
&& !(client
->flags
& FLAG_NEW
) && !cached
)
629 rc
= update_checksum (client
);
633 client
->flags
|= FLAG_OPEN
;
635 if (client
->flags
& FLAG_NEW
)
636 rc
= send_status (ctx
, STATUS_NEWFILE
, NULL
);
638 if (!rc
&& (client
->opts
& OPT_LOCK_ON_OPEN
))
639 rc
= do_lock (client
, 0);
644 log_write ("%s: %s", client
->filename
, pwmd_strerror (rc
));
646 if (client
->flags
& FLAG_NEW
)
647 cache_clear (NULL
, client
->filename
, 1);
649 crypto_free (client
->crypto
);
650 client
->crypto
= NULL
;
651 client
->flags
&= ~FLAG_OPEN
;
654 crypto_free_non_keys (client
->crypto
);
656 return send_error (ctx
, rc
);
659 /* If not the invoking_user or is an existing file, check that the list of user
660 * supplied key ID's are in the list of current key ID's obtained when
661 * decrypting the data file.
664 permitted_to_save (struct client_s
*client
, const char **keys
,
670 if ((client
->flags
& FLAG_NEW
) || (client
->opts
& OPT_SYMMETRIC
))
673 rc
= peer_is_invoker (client
);
678 if ((!value
&& !keys
) || ((value
&& !*value
) && (keys
&& !*keys
)))
681 for (v
= value
; v
&& *v
; v
++)
683 const char **k
, *pv
= *v
;
686 if (*pv
== '0' && *(pv
+1) == 'x')
689 for (k
= keys
; k
&& *k
; k
++)
693 if (*pk
== '0' && *(pk
+1) == 'x')
696 rc
= !strcmp (pv
, pk
) ? 0 : GPG_ERR_FORBIDDEN
;
698 rc
= !strcmp (pv
, *k
) ? 0 : GPG_ERR_FORBIDDEN
;
708 return GPG_ERR_FORBIDDEN
;
714 /* Requires that the keyid be a fingerprint in 16 byte form. */
716 parse_save_opt_keyid_common (struct client_s
*client
, const char **list
,
717 const char *value
, char ***dst
)
724 keys
= str_split (value
, ",", 0);
726 return GPG_ERR_ENOMEM
;
729 rc
= crypto_keyid_to_16b (keys
);
731 rc
= permitted_to_save (client
, list
, (const char **)keys
);
742 parse_save_opt_keyid (void *data
, void *value
)
744 struct client_s
*client
= data
;
745 const char *str
= value
;
749 rc
= parse_save_opt_keyid_common (client
,
750 (const char **)client
->crypto
->pubkey
,
755 client
->crypto
->save
.pubkey
= dst
;
760 parse_save_opt_sign_keyid (void *data
, void *value
)
762 struct client_s
*client
= data
;
763 const char *str
= value
;
767 rc
= parse_save_opt_keyid_common (client
,
768 (const char **)client
->crypto
->sigkey
,
774 client
->opts
|= OPT_NO_SIGNER
;
776 client
->crypto
->save
.sigkey
= dst
;
781 parse_save_opt_inquire (struct client_s
*client
, uint32_t opt
)
783 if (opt
== OPT_INQUIRE
&& !(client
->flags
& FLAG_NEW
))
785 gpg_error_t rc
= peer_is_invoker (client
);
796 parse_save_opt_inquire_keyparam (void *data
, void *value
)
799 return parse_save_opt_inquire (data
, OPT_INQUIRE
);
803 parse_save_opt_inquire_keyid (void *data
, void *value
)
806 return parse_save_opt_inquire (data
, OPT_INQUIRE_KEYID
);
810 parse_save_opt_inquire_sign_keyid (void *data
, void *value
)
813 return parse_save_opt_inquire (data
, OPT_INQUIRE_SIGN_KEYID
);
817 parse_save_opt_symmetric (void *data
, void *value
)
819 struct client_s
*client
= data
;
822 client
->opts
|= OPT_SYMMETRIC
;
826 /* Tests that the keys in new_keys are also in old_keys. */
828 compare_keys (char **new_keys
, char **old_keys
)
832 if (!old_keys
|| !*old_keys
)
835 crypto_keyid_to_16b (new_keys
);
837 for (o
= old_keys
; *o
; o
++)
841 for (n
= new_keys
; *n
; n
++)
843 if (!strcmp (*n
, *o
))
848 return GPG_ERR_NOT_FOUND
;
855 inquire_keyid (struct client_s
*client
, uint32_t opt
)
858 unsigned char *result
= NULL
;
864 if (opt
== OPT_INQUIRE_KEYID
)
867 orig
= &client
->crypto
->pubkey
;
868 save
= &client
->crypto
->save
.pubkey
;
872 s
= "INQUIRE_SIGN_KEYID";
873 orig
= &client
->crypto
->sigkey
;
874 save
= &client
->crypto
->save
.sigkey
;
877 rc
= assuan_inquire (client
->ctx
, s
, &result
, &len
, 0);
882 rc
= parse_save_opt_keyid_common (client
, (const char **)*orig
,
883 (char *)result
, &dst
);
886 if (!dst
&& opt
== OPT_INQUIRE_SIGN_KEYID
887 && client
->opts
& OPT_SYMMETRIC
)
888 client
->opts
|= OPT_NO_SIGNER
;
898 /* The caching test of gpg-agent is both a blessing and a curse. When a key
899 * lookup in its cache fails it tries the last successful key to be unlocked.
900 * This prevents pwmd from successfully clearing a signing key since the
901 * previous key, which more than likely belongs to the same keypair as the
902 * encryption/decryption key, will have the passphrase cached and therefore the
903 * signing key also cached. So we need to clear both the signing and encryption
904 * keys to get the effect of requiring a passphrase when generating a new
905 * keypair for an existing data file, or when the "require_save_key"
906 * configuration parameter is set. The "require_save_key" parameter is mostly a
907 * failsafe of the gpg-agent option --ignore-cache-for-signing since
908 * some/most/all users may fail to set it.
911 save_command (assuan_context_t ctx
, char *line
)
913 struct client_s
*client
= assuan_get_pointer (ctx
);
914 struct cache_data_s
*cdata
= NULL
;
915 gpg_error_t rc
= 0, cached
= 0;
917 struct argv_s
*args
[] = {
918 &(struct argv_s
) {"keyid", OPTION_TYPE_ARG
, parse_save_opt_keyid
},
919 &(struct argv_s
) {"sign-keyid", OPTION_TYPE_OPTARG
,
920 parse_save_opt_sign_keyid
},
921 &(struct argv_s
) {"inquire-keyparam", OPTION_TYPE_NOARG
,
922 parse_save_opt_inquire_keyparam
},
923 &(struct argv_s
) {"inquire-keyid", OPTION_TYPE_NOARG
,
924 parse_save_opt_inquire_keyid
},
925 &(struct argv_s
) {"inquire-sign-keyid", OPTION_TYPE_NOARG
,
926 parse_save_opt_inquire_sign_keyid
},
927 &(struct argv_s
) {"symmetric", OPTION_TYPE_NOARG
,
928 parse_save_opt_symmetric
},
932 crypto_free_save (&client
->crypto
->save
);
934 if (!(client
->flags
& FLAG_NEW
))
936 rc
= crypto_is_symmetric (client
->filename
);
937 if (!rc
|| rc
== GPG_ERR_BAD_DATA
)
940 client
->opts
|= OPT_SYMMETRIC
;
947 return send_error (ctx
, rc
);
949 rc
= parse_options (&line
, args
, client
, 0);
951 return send_error (ctx
, rc
);
954 if (config_get_boolean (client
->filename
, "require_save_key")
955 || (client
->opts
& OPT_SYMMETRIC
))
956 client
->opts
|= OPT_ASK
;
958 rc
= open_check_file (client
->filename
, NULL
, NULL
, 1);
959 if (rc
&& gpg_err_code (rc
) != GPG_ERR_ENOENT
)
961 log_write ("%s: %s", client
->filename
, pwmd_strerror (rc
));
962 return send_error (ctx
, rc
);
966 cached
= rc
= cache_iscached (client
->filename
, &defer
, 0, 1);
968 if (gpg_err_code (rc
) == GPG_ERR_ENOENT
&& (client
->flags
& FLAG_NEW
))
970 else if (gpg_err_code (rc
) == GPG_ERR_NO_DATA
)
974 return send_error (ctx
, rc
);
976 /* Specifying both a recipient and symmetric encryption is an error. */
977 if (client
->opts
& OPT_INQUIRE_KEYID
&& client
->opts
& OPT_SYMMETRIC
)
979 return send_error (ctx
, GPG_ERR_CONFLICT
);
981 else if (client
->opts
& OPT_INQUIRE
&& client
->opts
& OPT_SYMMETRIC
)
983 return send_error (ctx
, GPG_ERR_CONFLICT
);
985 /* Existing file with a recipient and wanting symmetric is an error. */
986 else if (client
->opts
& OPT_SYMMETRIC
&& client
->crypto
->save
.pubkey
)
988 return send_error (ctx
, GPG_ERR_CONFLICT
);
990 else if (((client
->opts
& OPT_INQUIRE_KEYID
)
991 || (client
->opts
& OPT_INQUIRE_SIGN_KEYID
)))
993 if (client
->opts
& OPT_INQUIRE
)
994 return send_error (ctx
, GPG_ERR_CONFLICT
);
996 if (client
->opts
& OPT_INQUIRE_KEYID
)
997 rc
= inquire_keyid (client
, OPT_INQUIRE_KEYID
);
999 if (!rc
&& (client
->opts
& OPT_INQUIRE_SIGN_KEYID
))
1000 rc
= inquire_keyid (client
, OPT_INQUIRE_SIGN_KEYID
);
1002 else if ((client
->crypto
->save
.pubkey
|| client
->crypto
->save
.sigkey
)
1003 && client
->opts
& OPT_INQUIRE
)
1004 return send_error (ctx
, GPG_ERR_CONFLICT
);
1008 client
->crypto
->keyfile
= config_get_string (client
->filename
,
1010 rc
= crypto_init_ctx (client
->crypto
, (client
->flags
& FLAG_NO_PINENTRY
),
1011 client
->crypto
->keyfile
);
1014 if (!rc
&& (client
->opts
& OPT_INQUIRE
))
1016 /* Require a passphrase when generating a new key pair for an existing
1019 if (!(client
->flags
& FLAG_NEW
))
1021 rc
= cache_clear_agent_keys (client
->filename
, 1, 1);
1024 rc
= crypto_try_decrypt (client
, client
->flags
& FLAG_NO_PINENTRY
);
1025 client
->opts
&= ~OPT_ASK
;
1031 unsigned char *params
= NULL
;
1034 rc
= assuan_inquire (client
->ctx
, "KEYPARAM", ¶ms
, &len
, 0);
1037 client
->crypto
->flags
|= CRYPTO_FLAG_NEWFILE
;
1038 pthread_cleanup_push ((void *)xfree
, params
);
1039 rc
= crypto_genkey (client
, client
->crypto
, params
);
1040 pthread_cleanup_pop (1);
1044 else if (!rc
&& (client
->flags
& FLAG_NEW
))
1046 if (!client
->crypto
->save
.pubkey
&& !client
->crypto
->save
.sigkey
1047 && !(client
->opts
& OPT_SYMMETRIC
))
1049 char *params
= crypto_default_key_params ();
1052 rc
= GPG_ERR_ENOMEM
;
1056 client
->crypto
->flags
|= CRYPTO_FLAG_NEWFILE
;
1057 pthread_cleanup_push ((void *)xfree
, params
);
1058 rc
= crypto_genkey (client
, client
->crypto
,
1059 (unsigned char *)params
);
1060 pthread_cleanup_pop (1);
1065 if (!client
->crypto
->save
.pubkey
&& client
->crypto
->save
.sigkey
1066 && !(client
->opts
& OPT_SYMMETRIC
))
1067 client
->crypto
->save
.pubkey
= strv_dup (client
->crypto
->save
.sigkey
);
1069 if (client
->crypto
->save
.pubkey
&& !client
->crypto
->save
.sigkey
)
1070 client
->crypto
->save
.sigkey
= strv_dup (client
->crypto
->save
.pubkey
);
1075 cdata
= cache_get_data (client
->filename
);
1078 if (client
->crypto
->save
.pubkey
)
1079 rc
= compare_keys (client
->crypto
->save
.pubkey
, cdata
->pubkey
);
1081 /* Always allow a signer for symmetric data files. */
1082 if (!rc
&& client
->crypto
->save
.sigkey
1083 && !(client
->opts
& OPT_SYMMETRIC
))
1084 rc
= compare_keys (client
->crypto
->save
.sigkey
, cdata
->sigkey
);
1086 /* Prevent saving to a recipient who is not in the original recipient
1087 * list without a passphrase. */
1088 if (rc
|| (client
->crypto
->sigkey
&& client
->opts
& OPT_NO_SIGNER
))
1089 client
->opts
|= OPT_ASK
;
1091 if (rc
== GPG_ERR_NOT_FOUND
)
1093 rc
= peer_is_invoker (client
);
1094 if (rc
== GPG_ERR_EACCES
)
1095 rc
= GPG_ERR_FORBIDDEN
;
1098 if (!client
->crypto
->save
.pubkey
1099 && !(client
->opts
& OPT_SYMMETRIC
))
1100 client
->crypto
->save
.pubkey
= strv_dup (cdata
->pubkey
);
1102 if (!rc
&& !client
->crypto
->save
.sigkey
&& cdata
->sigkey
1103 && !(client
->opts
& OPT_NO_SIGNER
))
1104 client
->crypto
->save
.sigkey
= strv_dup (cdata
->sigkey
);
1105 else if (!rc
&& !client
->crypto
->save
.sigkey
1106 && (client
->opts
& OPT_NO_SIGNER
)
1107 && !(client
->opts
& OPT_SYMMETRIC
))
1108 rc
= GPG_ERR_NO_SIGNATURE_SCHEME
;
1112 client
->crypto
->save
.pubkey
= strv_dup (client
->crypto
->pubkey
);
1113 client
->crypto
->save
.sigkey
= strv_dup (client
->crypto
->sigkey
);
1117 if (!rc
&& !(client
->flags
& FLAG_NEW
))
1119 /* Fixes {NEW_,SIGN_}PASSPHRASE inquire keywords. See passphrase_cb(). */
1120 if (client
->opts
& OPT_SYMMETRIC
)
1121 client
->crypto
->flags
|= CRYPTO_FLAG_PASSWD
;
1123 if (client
->opts
& OPT_ASK
)
1125 rc
= cache_clear_agent_keys (client
->filename
, 1, 1);
1127 rc
= crypto_try_decrypt (client
, client
->flags
& FLAG_NO_PINENTRY
);
1131 if (!rc
&& client
->opts
& OPT_SYMMETRIC
)
1132 client
->crypto
->flags
|= CRYPTO_FLAG_PASSWD_NEW
;
1135 rc
= xml_update_element_mtime (client
, xmlDocGetRootElement (client
->doc
));
1141 xmlDocDumpFormatMemory (client
->doc
, &client
->crypto
->plaintext
, &size
,
1144 client
->crypto
->plaintext_size
= (size_t) size
;
1146 rc
= GPG_ERR_ENOMEM
;
1150 client
->crypto
->flags
|= (client
->opts
& OPT_SYMMETRIC
) ? CRYPTO_FLAG_SYMMETRIC
: 0;
1151 client
->crypto
->flags
|= (client
->flags
& FLAG_NEW
) ? CRYPTO_FLAG_NEWFILE
: 0;
1152 client
->crypto
->flags
|= !(client
->opts
& OPT_SYMMETRIC
) ? CRYPTO_FLAG_PASSWD_SIGN
: 0;
1153 rc
= crypto_encrypt (client
, client
->crypto
);
1154 client
->crypto
->flags
&= ~CRYPTO_FLAG_SYMMETRIC
;
1159 rc
= crypto_write_file (client
->crypto
);
1162 if (!cached
) // no error
1163 cdata
= cache_get_data (client
->filename
);
1168 rc
= cache_encrypt (client
->crypto
);
1171 cache_clear (NULL
, client
->filename
, 1);
1172 strv_free (client
->crypto
->pubkey
);
1173 client
->crypto
->pubkey
= strv_dup (client
->crypto
->save
.pubkey
);
1174 strv_free (client
->crypto
->sigkey
);
1175 client
->crypto
->sigkey
= strv_dup (client
->crypto
->save
.sigkey
);
1176 client
->flags
&= ~(FLAG_NEW
);
1182 int timeout
= config_get_integer (client
->filename
,
1185 cache_free_data_once (cdata
);
1186 cdata
= xcalloc (1, sizeof (struct cache_data_s
));
1187 cdata
->doc
= client
->crypto
->plaintext
;
1188 client
->crypto
->plaintext
= NULL
;
1189 cdata
->size
= client
->crypto
->plaintext_size
;
1190 client
->crypto
->plaintext_size
= 0;
1191 cdata
->pubkey
= client
->crypto
->save
.pubkey
;
1192 client
->crypto
->save
.pubkey
= NULL
;
1193 cdata
->sigkey
= client
->crypto
->save
.sigkey
;
1194 client
->crypto
->save
.sigkey
= NULL
;
1196 /* Update in case the cache entry expires the next SAVE may not
1197 * have any known keys. */
1198 strv_free (client
->crypto
->pubkey
);
1199 client
->crypto
->pubkey
= strv_dup (cdata
->pubkey
);
1200 strv_free (client
->crypto
->sigkey
);
1201 client
->crypto
->sigkey
= strv_dup (cdata
->sigkey
);
1203 if (!cached
) // no error and wont increment refcount
1204 rc
= cache_set_data (client
->filename
, cdata
);
1206 rc
= cache_add_file (client
->filename
, cdata
, timeout
);
1208 if (!rc
&& (cached
|| (client
->flags
& FLAG_NEW
)))
1209 send_status_all (STATUS_CACHE
, NULL
);
1213 rc
= update_checksum (client
);
1214 client
->flags
&= ~(FLAG_NEW
);
1220 crypto_free_non_keys (client
->crypto
);
1221 return send_error (ctx
, rc
);
1225 do_delete (assuan_context_t ctx
, char *line
)
1227 struct client_s
*client
= assuan_get_pointer (ctx
);
1228 struct xml_request_s
*req
;
1232 rc
= xml_new_request (client
, line
, XML_CMD_DELETE
, &req
);
1236 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1237 xml_free_request (req
);
1241 rc
= xml_is_element_owner (client
, n
);
1243 rc
= xml_unlink_node (client
, n
);
1249 delete_command (assuan_context_t ctx
, char *line
)
1251 struct client_s
*client
= assuan_get_pointer (ctx
);
1253 struct argv_s
*args
[] = {
1254 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
1258 rc
= parse_options (&line
, args
, client
, 1);
1259 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
1260 rc
= GPG_ERR_SYNTAX
;
1262 return send_error (ctx
, rc
);
1264 if (client
->opts
& OPT_INQUIRE
)
1266 unsigned char *result
;
1269 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
1271 return send_error (ctx
, rc
);
1273 pthread_cleanup_push ((void *)xfree
, result
);
1274 rc
= do_delete (ctx
, (char *)result
);
1275 pthread_cleanup_pop (1);
1278 rc
= do_delete (ctx
, line
);
1280 return send_error (ctx
, rc
);
1284 update_element_expirey (struct client_s
*client
, xmlNodePtr n
)
1287 xmlChar
*expire
, *incr
;
1289 time_t e
, e_orig
, i
;
1290 time_t now
= time (NULL
);
1292 expire
= xml_attribute_value (n
, (xmlChar
*)"expire");
1297 e
= strtoul ((char *)expire
, &p
, 10);
1298 if (errno
|| *p
|| e
== ULONG_MAX
|| *expire
== '-')
1301 rc
= GPG_ERR_ERANGE
;
1306 incr
= xml_attribute_value (n
, (xmlChar
*)"expire_increment");
1310 i
= strtoul ((char *)incr
, &p
, 10);
1311 if (errno
|| *p
|| i
== ULONG_MAX
|| *incr
== '-')
1314 rc
= GPG_ERR_ERANGE
;
1321 p
= str_asprintf ("%lu", e
);
1324 rc
= GPG_ERR_ENOMEM
;
1328 rc
= xml_add_attribute (client
, n
, "expire", p
);
1331 rc
= send_status (client
->ctx
, STATUS_EXPIRE
, "%lu %lu", e_orig
, e
);
1338 store_command (assuan_context_t ctx
, char *line
)
1340 struct client_s
*client
= assuan_get_pointer (ctx
);
1343 unsigned char *result
;
1344 xmlNodePtr n
, parent
;
1346 char *content
= NULL
;
1347 struct xml_request_s
*req
;
1350 return send_error (ctx
, GPG_ERR_SYNTAX
);
1352 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
1354 return send_error (ctx
, rc
);
1356 rc
= xml_new_request (client
, (char *)result
, XML_CMD_STORE
, &req
);
1359 return send_error (ctx
, rc
);
1361 /* Prevent passing the element content around to save some memory. */
1362 len
= strv_length (req
->args
);
1363 has_content
= line
[strlen (line
) - 1] != '\t' && len
> 1;
1364 if (*(req
->args
+1) && !xml_valid_element_path (req
->args
, has_content
))
1366 xml_free_request (req
);
1367 return send_error (ctx
, GPG_ERR_INV_VALUE
);
1370 if (has_content
|| !*req
->args
[len
-1])
1373 content
= req
->args
[len
-1];
1374 req
->args
[len
-1] = NULL
;
1377 if (strv_length (req
->args
) > 1)
1379 rc
= xml_check_recursion (client
, req
);
1380 if (rc
&& rc
!= GPG_ERR_ELEMENT_NOT_FOUND
)
1384 parent
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1388 rc
= xml_is_element_owner (client
, parent
);
1391 n
= xml_find_text_node (parent
->children
);
1393 xmlNodeSetContent (n
, (xmlChar
*) content
);
1395 xmlNodeAddContent (parent
, (xmlChar
*) content
);
1397 (void)xml_update_element_mtime (client
, parent
);
1398 (void)update_element_expirey (client
, parent
);
1404 xml_free_request (req
);
1405 return send_error (ctx
, rc
);
1409 xfer_data (assuan_context_t ctx
, const char *line
, int total
)
1411 struct client_s
*client
= assuan_get_pointer (ctx
);
1415 int progress
= config_get_integer ("global", "xfer_progress");
1418 if (!(client
->flags
& FLAG_LOCK_CMD
))
1419 rc
= unlock_file_mutex (client
, 0);
1420 if (rc
&& rc
!= GPG_ERR_NOT_LOCKED
)
1424 progress
> 0 ? (progress
/ ASSUAN_LINELENGTH
) * ASSUAN_LINELENGTH
: 0;
1425 to_send
= total
< ASSUAN_LINELENGTH
? total
: ASSUAN_LINELENGTH
;
1426 rc
= send_status (ctx
, STATUS_XFER
, "%li %li", sent
, total
);
1434 if (sent
+ to_send
> total
)
1435 to_send
= total
- sent
;
1437 rc
= assuan_send_data (ctx
, flush
? NULL
: (char *) line
+ sent
,
1438 flush
? 0 : to_send
);
1441 sent
+= flush
? 0 : to_send
;
1443 if ((progress
&& !(sent
% progress
) && sent
!= total
) ||
1444 (sent
== total
&& flush
))
1445 rc
= send_status (ctx
, STATUS_XFER
, "%li %li", sent
, total
);
1447 if (!flush
&& !rc
&& sent
== total
)
1454 while (!rc
&& sent
< total
);
1460 do_get (assuan_context_t ctx
, char *line
)
1462 struct client_s
*client
= assuan_get_pointer (ctx
);
1464 struct xml_request_s
*req
;
1467 rc
= xml_new_request (client
, line
, XML_CMD_NONE
, &req
);
1471 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1474 if (n
&& n
->children
)
1478 n
= xml_find_text_node (n
->children
);
1479 if (!n
|| !n
->content
|| !*n
->content
)
1480 rc
= GPG_ERR_NO_DATA
;
1483 rc
= xfer_data (ctx
, (char *) n
->content
, xmlStrlen (n
->content
));
1486 xmlChar
*expire
= xml_attribute_value (tmp
,
1487 (xmlChar
*)"expire");
1490 time_t now
= time (NULL
);
1495 e
= strtoul ((char *)expire
, &p
, 10);
1496 if (errno
|| *p
|| e
== ULONG_MAX
|| *expire
== '-')
1497 log_write (_("invalid expire attribute value: %s"),
1500 rc
= send_status (ctx
, STATUS_EXPIRE
, "%lu 0", e
);
1508 rc
= GPG_ERR_NO_DATA
;
1511 xml_free_request (req
);
1516 get_command (assuan_context_t ctx
, char *line
)
1518 struct client_s
*client
= assuan_get_pointer (ctx
);
1520 struct argv_s
*args
[] = {
1521 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
1525 rc
= parse_options (&line
, args
, client
, 1);
1526 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
1527 rc
= GPG_ERR_SYNTAX
;
1529 return send_error (ctx
, rc
);
1531 if (client
->opts
& OPT_INQUIRE
)
1533 unsigned char *result
;
1536 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
1538 return send_error (ctx
, rc
);
1540 pthread_cleanup_push ((void *)xfree
, result
);
1541 rc
= do_get (ctx
, (char *)result
);
1542 pthread_cleanup_pop (1);
1545 rc
= do_get (ctx
, line
);
1547 return send_error (ctx
, rc
);
1550 static void list_command_free1 (void *arg
);
1552 realpath_command (assuan_context_t ctx
, char *line
)
1555 char **realpath
= NULL
;
1556 struct client_s
*client
= assuan_get_pointer (ctx
);
1557 struct argv_s
*args
[] = {
1558 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
1562 rc
= parse_options (&line
, args
, client
, 1);
1563 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
1564 rc
= GPG_ERR_SYNTAX
;
1566 return send_error (ctx
, rc
);
1568 if (client
->opts
& OPT_INQUIRE
)
1570 unsigned char *result
;
1573 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
1575 return send_error (ctx
, rc
);
1577 pthread_cleanup_push ((void *)xfree
, result
);
1578 (void)xml_resolve_path (client
, client
->doc
, result
, &realpath
, &rc
);
1579 pthread_cleanup_pop (1);
1582 (void)xml_resolve_path (client
, client
->doc
, (unsigned char *)line
,
1587 char *tmp
= strv_join ((char *)"\t", realpath
);
1589 strv_free (realpath
);
1591 return send_error (ctx
, GPG_ERR_ENOMEM
);
1593 pthread_cleanup_push ((void *)xfree
, tmp
);
1594 rc
= xfer_data (ctx
, tmp
, strlen (tmp
));
1595 pthread_cleanup_pop (1);
1598 return send_error (ctx
, rc
);
1602 list_command_free1 (void *arg
)
1605 string_free ((struct string_s
*) arg
, 1);
1609 parse_list_opt_recurse (void *data
, void *value
)
1611 struct client_s
*client
= data
;
1614 client
->opts
|= OPT_LIST_RECURSE
;
1619 parse_opt_verbose (void *data
, void *value
)
1621 struct client_s
*client
= data
;
1624 client
->opts
|= OPT_VERBOSE
;
1629 list_path_once (struct client_s
*client
, char *line
,
1630 struct element_list_s
*elements
, struct string_s
*result
)
1634 rc
= xml_create_path_list (client
, client
->doc
, NULL
, elements
, line
, 0);
1635 if (rc
== GPG_ERR_ELOOP
|| rc
== GPG_ERR_EACCES
)
1640 int total
= slist_length (elements
->list
);
1646 for (i
= 0; i
< total
; i
++)
1648 char *tmp
= slist_nth_data (elements
->list
, i
);
1650 string_append_printf (result
, "%s%s", tmp
,
1651 i
+ 1 == total
? "" : "\n");
1655 rc
= GPG_ERR_NO_DATA
;
1662 do_list (assuan_context_t ctx
, char *line
)
1664 struct client_s
*client
= assuan_get_pointer (ctx
);
1665 gpg_error_t rc
= GPG_ERR_NO_DATA
;
1666 struct element_list_s
*elements
= NULL
;
1668 if (!line
|| !*line
)
1670 struct string_s
*str
= string_new (NULL
);
1674 return GPG_ERR_ENOMEM
;
1676 pthread_cleanup_push ((void *)list_command_free1
, str
);
1677 n
= xmlDocGetRootElement (client
->doc
);
1678 for (n
= n
->children
; n
; n
= n
->next
)
1682 if (n
->type
!= XML_ELEMENT_NODE
)
1685 name
= xmlGetProp (n
, (xmlChar
*)"_name");
1688 rc
= GPG_ERR_ENOMEM
;
1692 elements
= xcalloc (1, sizeof (struct element_list_s
));
1696 rc
= GPG_ERR_ENOMEM
;
1700 elements
->prefix
= string_new (NULL
);
1701 if (!elements
->prefix
)
1704 xml_free_element_list (elements
);
1705 rc
= GPG_ERR_ENOMEM
;
1709 elements
->recurse
= client
->opts
& OPT_LIST_RECURSE
;
1710 elements
->root_only
= !elements
->recurse
;
1711 pthread_cleanup_push ((void *)xml_free_element_list
, elements
);
1712 rc
= list_path_once (client
, (char *)name
, elements
, str
);
1714 pthread_cleanup_pop (1);
1719 string_append (str
, "\n");
1723 rc
= xfer_data (ctx
, str
->str
, str
->len
);
1725 pthread_cleanup_pop (1);
1729 elements
= xcalloc (1, sizeof (struct element_list_s
));
1731 return GPG_ERR_ENOMEM
;
1733 elements
->prefix
= string_new (NULL
);
1734 if (!elements
->prefix
)
1736 xml_free_element_list (elements
);
1737 return GPG_ERR_ENOMEM
;
1740 elements
->recurse
= client
->opts
& OPT_LIST_RECURSE
;
1741 pthread_cleanup_push ((void *)xml_free_element_list
, elements
);
1742 struct string_s
*str
= string_new (NULL
);
1743 pthread_cleanup_push ((void *)list_command_free1
, str
);
1744 rc
= list_path_once (client
, line
, elements
, str
);
1746 rc
= xfer_data (ctx
, str
->str
, str
->len
);
1748 pthread_cleanup_pop (1);
1749 pthread_cleanup_pop (1);
1754 list_command (assuan_context_t ctx
, char *line
)
1756 struct client_s
*client
= assuan_get_pointer (ctx
);
1758 struct argv_s
*args
[] = {
1759 &(struct argv_s
) {"recurse", OPTION_TYPE_NOARG
, parse_list_opt_recurse
},
1760 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
1761 /* These are deprecated but kept for backward compatibility with older
1763 &(struct argv_s
) {"verbose", OPTION_TYPE_NOARG
, NULL
},
1764 &(struct argv_s
) {"with-target", OPTION_TYPE_NOARG
, NULL
},
1765 &(struct argv_s
) {"all", OPTION_TYPE_NOARG
, parse_list_opt_recurse
},
1766 &(struct argv_s
) {"no-recurse", OPTION_TYPE_NOARG
, NULL
},
1770 if (disable_list_and_dump
== 1)
1771 return send_error (ctx
, GPG_ERR_NOT_IMPLEMENTED
);
1773 rc
= parse_options (&line
, args
, client
, 1);
1774 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
1775 rc
= GPG_ERR_SYNTAX
;
1777 return send_error (ctx
, rc
);
1779 if (client
->opts
& OPT_INQUIRE
)
1781 unsigned char *result
;
1784 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
1786 return send_error (ctx
, rc
);
1788 pthread_cleanup_push ((void *)xfree
, result
);
1789 rc
= do_list (ctx
, (char *)result
);
1790 pthread_cleanup_pop (1);
1793 rc
= do_list (ctx
, line
);
1795 return send_error (ctx
, rc
);
1798 #define RESUMABLE_ERROR(rc) (rc == GPG_ERR_ELOOP || rc == GPG_ERR_EACCES \
1799 || rc == GPG_ERR_ELEMENT_NOT_FOUND || !rc)
1801 * args[0] - element path
1804 attribute_list (assuan_context_t ctx
, char **args
)
1806 struct client_s
*client
= assuan_get_pointer (ctx
);
1807 char **attrlist
= NULL
;
1811 xmlNodePtr n
, an
, r
;
1814 struct xml_request_s
*req
;
1816 if (!args
|| !args
[0] || !*args
[0])
1817 return GPG_ERR_SYNTAX
;
1819 rc
= xml_new_request (client
, args
[0], XML_CMD_ATTR_LIST
, &req
);
1823 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1824 xml_free_request (req
);
1829 for (a
= n
->properties
; a
; a
= a
->next
)
1833 if (target
&& xml_reserved_attribute ((char *)a
->name
))
1836 pa
= xrealloc (attrlist
, (i
+ 2) * sizeof (char *));
1840 strv_free (attrlist
);
1842 log_write ("%s(%i): %s", __FILE__
, __LINE__
,
1843 pwmd_strerror (GPG_ERR_ENOMEM
));
1844 return GPG_ERR_ENOMEM
;
1849 attrlist
[i
] = str_asprintf ("%s %s", (char *) a
->name
, an
&& an
->content
1850 ? (char *)an
->content
: "");
1854 strv_free (attrlist
);
1855 log_write ("%s(%i): %s", __FILE__
, __LINE__
,
1856 pwmd_strerror (GPG_ERR_ENOMEM
));
1857 return GPG_ERR_ENOMEM
;
1860 attrlist
[++i
] = NULL
;
1864 return GPG_ERR_NO_DATA
;
1868 r
= xml_resolve_path (client
, client
->doc
, (xmlChar
*)args
[0], NULL
, &rc
);
1869 if (!RESUMABLE_ERROR (rc
))
1871 strv_free (attrlist
);
1874 else if (!rc
&& r
!= n
)
1884 line
= strv_join ("\n", attrlist
);
1887 log_write ("%s(%i): %s", __FILE__
, __LINE__
,
1888 pwmd_strerror (GPG_ERR_ENOMEM
));
1889 strv_free (attrlist
);
1890 return GPG_ERR_ENOMEM
;
1893 pthread_cleanup_push ((void *)xfree
, line
);
1894 pthread_cleanup_push ((void *)req_free
, attrlist
);
1895 rc
= xfer_data (ctx
, line
, strlen (line
));
1896 pthread_cleanup_pop (1);
1897 pthread_cleanup_pop (1);
1902 * args[0] - attribute
1903 * args[1] - element path
1906 attribute_delete (struct client_s
*client
, char **args
)
1911 if (!args
|| !args
[0] || !*args
[0] || !args
[1] || !*args
[1])
1912 return GPG_ERR_SYNTAX
;
1914 if (!strcmp (args
[0], "_name") || !strcmp (args
[0], "target"))
1915 return GPG_ERR_INV_ATTR
;
1917 if (!xml_reserved_attribute (args
[0]))
1918 n
= xml_resolve_path (client
, client
->doc
, (xmlChar
*)args
[1], NULL
, &rc
);
1921 struct xml_request_s
*req
;
1923 rc
= xml_new_request (client
, args
[1], XML_CMD_ATTR
, &req
);
1927 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1928 xml_free_request (req
);
1932 rc
= xml_is_element_owner (client
, n
);
1935 rc
= xml_delete_attribute (client
, n
, (xmlChar
*) args
[0]);
1941 * Creates the "target" attribute. When other commands encounter an element
1942 * with this attribute they follow the "target" after appending remaining
1943 * elements from the original element path to the target. The exception is the
1944 * ATTR command that operates on the element itself (for reserved attribute
1945 * names) and not the target.
1947 * If the source element path doesn't exist when using 'ATTR SET target', it is
1948 * created, but the destination element path must exist. This is simliar to the
1949 * ls(1) command: ln -s src dst.
1951 * args[0] - source element path
1952 * args[1] - destination element path
1955 set_target_attribute (struct client_s
*client
, char **args
)
1957 struct xml_request_s
*req
= NULL
;
1962 if (!args
|| !args
[0] || !args
[1])
1963 return GPG_ERR_SYNTAX
;
1965 src
= str_split (args
[0], "\t", 0);
1967 return GPG_ERR_SYNTAX
;
1969 if (!xml_valid_element_path (src
, 0))
1972 return GPG_ERR_INV_VALUE
;
1975 dst
= str_split (args
[1], "\t", 0);
1979 return GPG_ERR_SYNTAX
;
1982 // Be sure the destination element path exists. */
1983 rc
= xml_new_request (client
, args
[1], XML_CMD_NONE
, &req
);
1987 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
1988 if (rc
&& rc
!= GPG_ERR_EACCES
)
1991 xml_free_request (req
);
1994 if (!strcmp (args
[0], args
[1]))
1996 rc
= GPG_ERR_EEXIST
;
2000 rc
= xml_new_request (client
, args
[0], XML_CMD_ATTR_TARGET
, &req
);
2004 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
2005 if (rc
&& rc
!= GPG_ERR_EACCES
)
2010 rc
= xml_add_attribute (client
, n
, "target", args
[1]);
2012 rc
= xml_unlink_node (client
, n
->children
);
2018 xml_free_request (req
);
2023 * args[0] - attribute
2024 * args[1] - element path
2027 attribute_get (assuan_context_t ctx
, char **args
)
2029 struct client_s
*client
= assuan_get_pointer (ctx
);
2033 struct xml_request_s
*req
;
2035 if (!args
|| !args
[0] || !*args
[0] || !args
[1] || !*args
[1])
2036 return GPG_ERR_SYNTAX
;
2038 if (!xml_reserved_attribute (args
[0]))
2039 n
= xml_resolve_path (client
, client
->doc
, (xmlChar
*)args
[1], NULL
, &rc
);
2042 rc
= xml_new_request (client
, args
[1], XML_CMD_ATTR
, &req
);
2046 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
2047 xml_free_request (req
);
2053 a
= xmlGetProp (n
, (xmlChar
*) args
[0]);
2055 return GPG_ERR_NOT_FOUND
;
2057 pthread_cleanup_push ((void *)xmlFree
, a
);
2060 rc
= xfer_data (ctx
, (char *) a
, xmlStrlen (a
));
2062 rc
= GPG_ERR_NO_DATA
;
2064 pthread_cleanup_pop (1);
2069 * args[0] - attribute
2070 * args[1] - element path
2074 attribute_set (struct client_s
*client
, char **args
)
2076 struct xml_request_s
*req
;
2080 if (!args
|| !args
[0] || !args
[1])
2081 return GPG_ERR_SYNTAX
;
2084 * Reserved attribute names.
2086 if (!strcmp (args
[0], "_name")) // Use the RENAME command instead
2087 return GPG_ERR_INV_ATTR
;
2088 else if (!strcmp (args
[0], "target"))
2089 return set_target_attribute (client
, args
+ 1);
2090 else if (!xml_valid_attribute (args
[0]))
2091 return GPG_ERR_INV_VALUE
;
2093 if (!xml_valid_attribute_value (args
[2]))
2094 return GPG_ERR_INV_VALUE
;
2096 if (!xml_reserved_attribute (args
[0]))
2098 n
= xml_resolve_path (client
, client
->doc
, (xmlChar
*)args
[1], NULL
, &rc
);
2101 rc
= xml_new_request (client
, args
[1], XML_CMD_NONE
, &req
);
2104 rc
= xml_check_recursion (client
, req
);
2105 xml_free_request (req
);
2111 rc
= xml_new_request (client
, args
[1], XML_CMD_ATTR
, &req
);
2115 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
2116 xml_free_request (req
);
2120 rc
= xml_is_element_owner (client
, n
);
2123 rc
= xml_add_attribute (client
, n
, args
[0], args
[2]);
2130 * req[1] - attribute name or element path if command is LIST
2131 * req[2] - element path
2132 * req[2] - element path or value
2136 do_attr (assuan_context_t ctx
, char *line
)
2138 struct client_s
*client
= assuan_get_pointer (ctx
);
2142 req
= str_split (line
, " ", 4);
2143 if (!req
|| !req
[0] || !req
[1])
2146 return GPG_ERR_SYNTAX
;
2149 pthread_cleanup_push ((void *)req_free
, req
);
2151 if (strcasecmp (req
[0], "SET") == 0)
2152 rc
= attribute_set (client
, req
+ 1);
2153 else if (strcasecmp (req
[0], "GET") == 0)
2154 rc
= attribute_get (ctx
, req
+ 1);
2155 else if (strcasecmp (req
[0], "DELETE") == 0)
2156 rc
= attribute_delete (client
, req
+ 1);
2157 else if (strcasecmp (req
[0], "LIST") == 0)
2158 rc
= attribute_list (ctx
, req
+ 1);
2160 rc
= GPG_ERR_SYNTAX
;
2162 client
->flags
&= ~(FLAG_ACL_IGNORE
|FLAG_ACL_ERROR
);
2163 pthread_cleanup_pop (1);
2168 attr_command (assuan_context_t ctx
, char *line
)
2170 struct client_s
*client
= assuan_get_pointer (ctx
);
2172 struct argv_s
*args
[] = {
2173 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
2177 rc
= parse_options (&line
, args
, client
, 1);
2178 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
2179 rc
= GPG_ERR_SYNTAX
;
2181 return send_error (ctx
, rc
);
2183 if (client
->opts
& OPT_INQUIRE
)
2185 unsigned char *result
;
2188 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
2190 return send_error (ctx
, rc
);
2192 pthread_cleanup_push ((void *)xfree
, result
);
2193 rc
= do_attr (ctx
, (char *)result
);
2194 pthread_cleanup_pop (1);
2197 rc
= do_attr (ctx
, line
);
2199 return send_error (ctx
, rc
);
2203 parse_iscached_opt_lock (void *data
, void *value
)
2205 struct client_s
*client
= data
;
2208 client
->opts
|= OPT_LOCK
;
2213 parse_iscached_opt_agent (void *data
, void *value
)
2215 struct client_s
*client
= data
;
2218 client
->opts
|= OPT_CACHE_AGENT
;
2223 parse_iscached_opt_sign (void *data
, void *value
)
2225 struct client_s
*client
= data
;
2228 client
->opts
|= OPT_CACHE_SIGN
;
2233 iscached_command (assuan_context_t ctx
, char *line
)
2235 struct client_s
*client
= assuan_get_pointer (ctx
);
2238 struct argv_s
*args
[] = {
2239 &(struct argv_s
) {"lock", OPTION_TYPE_NOARG
, parse_iscached_opt_lock
},
2240 &(struct argv_s
) {"agent", OPTION_TYPE_NOARG
, parse_iscached_opt_agent
},
2241 &(struct argv_s
) {"sign", OPTION_TYPE_NOARG
, parse_iscached_opt_sign
},
2245 if (!line
|| !*line
)
2246 return send_error (ctx
, GPG_ERR_SYNTAX
);
2248 rc
= parse_options (&line
, args
, client
, 1);
2250 return send_error (ctx
, rc
);
2251 else if (!valid_filename (line
))
2252 return send_error (ctx
, GPG_ERR_INV_VALUE
);
2254 if (!(client
->flags
& FLAG_OPEN
)
2255 && ((client
->opts
& OPT_CACHE_AGENT
) || (client
->opts
& OPT_CACHE_SIGN
)))
2256 return send_error (ctx
, GPG_ERR_INV_STATE
);
2258 rc
= cache_iscached (line
, &defer
, (client
->opts
& OPT_CACHE_AGENT
),
2259 (client
->opts
& OPT_CACHE_SIGN
));
2261 rc
= GPG_ERR_NO_DATA
;
2265 struct cache_data_s
*cdata
= cache_get_data (line
);
2269 rc
= validate_checksum (client
, line
, cdata
, NULL
, NULL
);
2270 if (rc
== GPG_ERR_CHECKSUM
)
2271 rc
= GPG_ERR_NO_DATA
;
2275 if (client
->opts
& OPT_LOCK
2276 && (!rc
|| gpg_err_code (rc
) == GPG_ERR_NO_DATA
))
2278 gpg_error_t trc
= rc
;
2280 if (strcmp (line
, client
->filename
))
2281 reset_client (client
);
2283 xfree (client
->filename
);
2284 client
->filename
= str_dup (line
);
2285 rc
= do_lock (client
, 1);
2290 return send_error (ctx
, rc
);
2294 clearcache_command (assuan_context_t ctx
, char *line
)
2296 struct client_s
*client
= assuan_get_pointer (ctx
);
2297 gpg_error_t rc
= 0, all_rc
= 0;
2301 struct client_thread_s
*once
= NULL
;
2305 pthread_cleanup_push (cache_release_mutex
, NULL
);
2306 count
= cache_file_count ();
2307 MUTEX_LOCK (&cn_mutex
);
2308 pthread_cleanup_push ((void *)release_mutex_cb
, &cn_mutex
);
2310 if (!line
|| !*line
)
2313 t
= slist_length (cn_thread_list
);
2315 for (i
= 0; i
< t
; i
++)
2317 struct client_thread_s
*thd
= slist_nth_data (cn_thread_list
, i
);
2318 assuan_peercred_t peer
;
2323 /* Lock each connected clients' file mutex to prevent any other client
2324 * from accessing the cache entry (the file mutex is locked upon
2325 * command startup). The cache for the entry is not cleared if the
2326 * file mutex is locked by another client to prevent this function
2327 * from blocking. Rather, it returns an error.
2331 if (thd
->cl
->filename
)
2333 rc
= do_validate_peer (ctx
, thd
->cl
->filename
, &peer
);
2334 /* The current client doesn't have permission to open the other
2335 * filename do to "access" configuration parameter in a filename
2336 * section. Since we are clearning all cache entries the error
2337 * will be returned later during cache_clear(). */
2344 else // Idle client without opened file?
2347 rc
= cache_lock_mutex (thd
->cl
->ctx
, thd
->cl
->filename
, -1, 0, -1);
2348 if (gpg_err_code (rc
) == GPG_ERR_LOCKED
)
2350 /* The current client owns the lock. */
2351 if (pthread_equal (pthread_self (), thd
->tid
))
2355 if (cache_iscached (thd
->cl
->filename
, NULL
, 0, 0)
2362 /* The cache entry will be cleared when the other client
2363 * disconnects and cache_timer_thread() does its thing. */
2364 cache_defer_clear (thd
->cl
->filename
);
2367 else if (gpg_err_code (rc
) == GPG_ERR_NO_DATA
)
2375 rc
= cache_clear (NULL
, thd
->cl
->filename
, 1);
2376 cache_unlock_mutex (thd
->cl
->filename
, 0);
2386 /* A single data filename was specified. Lock only this data file
2387 * mutex and free the cache entry. */
2388 rc
= do_validate_peer (ctx
, line
, &peer
);
2389 if (rc
== GPG_ERR_FORBIDDEN
)
2390 rc
= peer_is_invoker (client
);
2392 if (rc
== GPG_ERR_EACCES
)
2393 rc
= GPG_ERR_FORBIDDEN
;
2395 if (!rc
&& thd
->cl
->filename
&& !strcmp (thd
->cl
->filename
, line
))
2397 rc
= cache_lock_mutex (thd
->cl
->ctx
, thd
->cl
->filename
, -1, 0, -1);
2398 if (gpg_err_code (rc
) == GPG_ERR_LOCKED
)
2400 /* The current client owns the lock. */
2401 if (pthread_equal (pthread_self (), thd
->tid
))
2408 rc
= cache_clear (NULL
, thd
->cl
->filename
, 1);
2409 cache_unlock_mutex (thd
->cl
->filename
, 0);
2412 cache_defer_clear (thd
->cl
->filename
);
2414 /* Found a client with the opened file. The cache entry has been
2415 * either cleared (self) or defered to be cleared. */
2421 /* Only connected clients' cache entries have been cleared. Now clear any
2422 * remaining cache entries without clients but only if there wasn't an
2423 * error from above since this would defeat the locking check of the
2424 * remaining entries. */
2425 if (all
&& !all_rc
&& cache_file_count ())
2427 rc
= cache_clear (client
, NULL
, 1);
2428 if (rc
== GPG_ERR_EACCES
)
2429 rc
= GPG_ERR_FORBIDDEN
;
2432 /* No clients are using the specified file. */
2433 else if (!all_rc
&& !rc
&& !once
)
2434 rc
= cache_clear (NULL
, line
, 1);
2436 /* Release the connection mutex. */
2437 pthread_cleanup_pop (1);
2439 if (!rc
|| (cache_file_count () && count
!= cache_file_count ()))
2440 send_status_all (STATUS_CACHE
, NULL
);
2442 /* Release the cache mutex. */
2443 pthread_cleanup_pop (1);
2445 /* One or more files were locked while clearing all cache entries. */
2449 return send_error (ctx
, rc
);
2453 cachetimeout_command (assuan_context_t ctx
, char *line
)
2455 struct client_s
*client
= assuan_get_pointer (ctx
);
2457 char **req
= str_split (line
, " ", 0);
2460 assuan_peercred_t peer
;
2462 if (!req
|| !*req
|| !req
[1])
2465 return send_error (ctx
, GPG_ERR_SYNTAX
);
2469 timeout
= (int) strtol (req
[1], &p
, 10);
2470 if (errno
!= 0 || *p
|| timeout
< -1)
2473 return send_error (ctx
, GPG_ERR_SYNTAX
);
2476 rc
= do_validate_peer (ctx
, req
[0], &peer
);
2477 if (rc
== GPG_ERR_FORBIDDEN
)
2479 rc
= peer_is_invoker (client
);
2480 if (rc
== GPG_ERR_EACCES
)
2481 rc
= GPG_ERR_FORBIDDEN
;
2486 rc
= cache_set_timeout (req
[0], timeout
);
2487 if (!rc
|| gpg_err_code (rc
) == GPG_ERR_NOT_FOUND
)
2490 MUTEX_LOCK (&rcfile_mutex
);
2491 config_set_int_param (&global_config
, req
[0], "cache_timeout",
2493 MUTEX_UNLOCK (&rcfile_mutex
);
2498 return send_error (ctx
, rc
);
2502 dump_command (assuan_context_t ctx
, char *line
)
2506 struct client_s
*client
= assuan_get_pointer (ctx
);
2509 if (disable_list_and_dump
== 1)
2510 return send_error (ctx
, GPG_ERR_NOT_IMPLEMENTED
);
2513 return send_error (ctx
, GPG_ERR_SYNTAX
);
2515 rc
= peer_is_invoker(client
);
2517 return send_error (ctx
, rc
);
2519 xmlDocDumpFormatMemory (client
->doc
, &xml
, &len
, 1);
2523 log_write ("%s(%i): %s", __FILE__
, __LINE__
,
2524 pwmd_strerror (GPG_ERR_ENOMEM
));
2525 return send_error (ctx
, GPG_ERR_ENOMEM
);
2528 pthread_cleanup_push ((void *)xmlFree
, xml
);
2529 rc
= xfer_data (ctx
, (char *) xml
, len
);
2530 pthread_cleanup_pop (1);
2531 return send_error (ctx
, rc
);
2535 getconfig_command (assuan_context_t ctx
, char *line
)
2537 struct client_s
*client
= assuan_get_pointer (ctx
);
2539 char filename
[255] = { 0 }, param
[747] = { 0 };
2540 char *p
, *tmp
= NULL
, *fp
= client
->filename
, *paramp
= line
;
2542 if (!line
|| !*line
)
2543 return send_error (ctx
, GPG_ERR_SYNTAX
);
2545 if (strchr (line
, ' '))
2547 int ret
= sscanf (line
, " %254[^ ] %746c", filename
, param
);
2550 return send_error (ctx
, gpg_error_from_syserror());
2555 if (fp
&& !valid_filename (fp
))
2556 return send_error (ctx
, GPG_ERR_INV_VALUE
);
2558 paramp
= str_down (paramp
);
2559 p
= config_get_value (fp
? fp
: "global", paramp
);
2561 return send_error (ctx
, GPG_ERR_UNKNOWN_OPTION
);
2563 tmp
= expand_homedir (p
);
2567 log_write ("%s(%i): %s", __FILE__
, __LINE__
,
2568 pwmd_strerror (GPG_ERR_ENOMEM
));
2569 return send_error (ctx
, GPG_ERR_ENOMEM
);
2573 pthread_cleanup_push ((void *)xfree
, p
);
2574 rc
= xfer_data (ctx
, p
, strlen (p
));
2575 pthread_cleanup_pop (1);
2576 return send_error (ctx
, rc
);
2581 xmlXPathContextPtr xp
;
2582 xmlXPathObjectPtr result
;
2588 xpath_command_free (void *arg
)
2590 struct xpath_s
*xpath
= arg
;
2595 req_free (xpath
->req
);
2598 xmlBufferFree (xpath
->buf
);
2601 xmlXPathFreeObject (xpath
->result
);
2604 xmlXPathFreeContext (xpath
->xp
);
2608 do_xpath (assuan_context_t ctx
, char *line
)
2611 struct client_s
*client
= assuan_get_pointer (ctx
);
2612 struct xpath_s _x
= { 0 };
2613 struct xpath_s
*xpath
= &_x
;
2615 if (!line
|| !*line
)
2616 return GPG_ERR_SYNTAX
;
2618 if ((xpath
->req
= str_split (line
, "\t", 2)) == NULL
)
2620 if (strv_printf (&xpath
->req
, "%s", line
) == 0)
2621 return GPG_ERR_ENOMEM
;
2624 xpath
->xp
= xmlXPathNewContext (client
->doc
);
2627 rc
= GPG_ERR_BAD_DATA
;
2632 xmlXPathEvalExpression ((xmlChar
*) xpath
->req
[0], xpath
->xp
);
2635 rc
= GPG_ERR_BAD_DATA
;
2639 if (xmlXPathNodeSetIsEmpty (xpath
->result
->nodesetval
))
2641 rc
= GPG_ERR_ELEMENT_NOT_FOUND
;
2645 rc
= xml_recurse_xpath_nodeset (client
, client
->doc
,
2646 xpath
->result
->nodesetval
,
2647 (xmlChar
*) xpath
->req
[1], &xpath
->buf
, 0,
2651 else if (!xpath
->req
[1] && !xmlBufferLength (xpath
->buf
))
2653 rc
= GPG_ERR_NO_DATA
;
2656 else if (xpath
->req
[1])
2662 pthread_cleanup_push ((void *)xpath_command_free
, &xpath
);
2663 rc
= xfer_data (ctx
, (char *) xmlBufferContent (xpath
->buf
),
2664 xmlBufferLength (xpath
->buf
));
2665 pthread_cleanup_pop (0);
2667 xpath_command_free (xpath
);
2672 xpath_command (assuan_context_t ctx
, char *line
)
2674 struct client_s
*client
= assuan_get_pointer (ctx
);
2676 struct argv_s
*args
[] = {
2677 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
2681 if (disable_list_and_dump
== 1)
2682 return send_error (ctx
, GPG_ERR_NOT_IMPLEMENTED
);
2684 rc
= peer_is_invoker(client
);
2686 return send_error (ctx
, rc
);
2688 rc
= parse_options (&line
, args
, client
, 1);
2689 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
2690 rc
= GPG_ERR_SYNTAX
;
2692 return send_error (ctx
, rc
);
2694 if (client
->opts
& OPT_INQUIRE
)
2696 unsigned char *result
;
2699 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
2701 return send_error (ctx
, rc
);
2703 pthread_cleanup_push ((void *)xfree
, result
);
2704 rc
= do_xpath (ctx
, (char *)result
);
2705 pthread_cleanup_pop (1);
2708 rc
= do_xpath (ctx
, line
);
2710 return send_error (ctx
, rc
);
2714 do_xpathattr (assuan_context_t ctx
, char *line
)
2716 struct client_s
*client
= assuan_get_pointer (ctx
);
2720 struct xpath_s _x
= { 0 };
2721 struct xpath_s
*xpath
= &_x
;
2723 if (!line
|| !*line
)
2724 return GPG_ERR_SYNTAX
;
2726 if ((req
= str_split (line
, " ", 3)) == NULL
)
2727 return GPG_ERR_ENOMEM
;
2731 rc
= GPG_ERR_SYNTAX
;
2735 if (!strcasecmp (req
[0], "SET"))
2737 else if (!strcasecmp (req
[0], "DELETE"))
2741 rc
= GPG_ERR_SYNTAX
;
2745 if (!req
[1] || !req
[2])
2747 rc
= GPG_ERR_SYNTAX
;
2751 if ((xpath
->req
= str_split (req
[2], "\t", 3)) == NULL
)
2753 rc
= GPG_ERR_ENOMEM
;
2757 if (!xpath
->req
[0] || (!xpath
->req
[1] && !cmd
) || (xpath
->req
[1] && cmd
))
2759 rc
= GPG_ERR_SYNTAX
;
2763 xpath
->xp
= xmlXPathNewContext (client
->doc
);
2766 rc
= GPG_ERR_BAD_DATA
;
2770 xpath
->result
= xmlXPathEvalExpression ((xmlChar
*) xpath
->req
[0], xpath
->xp
);
2773 rc
= GPG_ERR_BAD_DATA
;
2777 if (xmlXPathNodeSetIsEmpty (xpath
->result
->nodesetval
))
2779 rc
= GPG_ERR_ELEMENT_NOT_FOUND
;
2783 rc
= xml_recurse_xpath_nodeset (client
, client
->doc
,
2784 xpath
->result
->nodesetval
,
2785 (xmlChar
*) xpath
->req
[1], &xpath
->buf
, cmd
,
2786 (xmlChar
*) req
[1]);
2789 xpath_command_free (xpath
);
2794 /* XPATHATTR SET|DELETE <name> <expression>[<TAB>[value]] */
2796 xpathattr_command (assuan_context_t ctx
, char *line
)
2798 struct client_s
*client
= assuan_get_pointer (ctx
);
2800 struct argv_s
*args
[] = {
2801 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
2805 if (disable_list_and_dump
== 1)
2806 return send_error (ctx
, GPG_ERR_NOT_IMPLEMENTED
);
2808 rc
= peer_is_invoker(client
);
2810 return send_error (ctx
, rc
);
2812 rc
= parse_options (&line
, args
, client
, 1);
2813 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
2814 rc
= GPG_ERR_SYNTAX
;
2816 return send_error (ctx
, rc
);
2818 if (client
->opts
& OPT_INQUIRE
)
2820 unsigned char *result
;
2823 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
2825 return send_error (ctx
, rc
);
2827 pthread_cleanup_push ((void *)xfree
, result
);
2828 rc
= do_xpathattr (ctx
, (char *)result
);
2829 pthread_cleanup_pop (1);
2832 rc
= do_xpathattr (ctx
, line
);
2834 return send_error (ctx
, rc
);
2838 do_import (struct client_s
*client
, const char *root_element
,
2839 unsigned char *content
)
2841 xmlDocPtr doc
= NULL
;
2842 xmlNodePtr n
= NULL
, root
;
2844 struct string_s
*str
= NULL
, *tstr
= NULL
;
2845 struct xml_request_s
*req
= NULL
;
2847 if (!content
|| !*content
)
2848 return GPG_ERR_SYNTAX
;
2852 rc
= xml_new_request (client
, root_element
, XML_CMD_STORE
, &req
);
2859 if (!xml_valid_element_path (req
->args
, 0))
2861 xml_free_request (req
);
2863 return GPG_ERR_INV_VALUE
;
2867 str
= string_new_content ((char *)content
);
2868 tstr
= string_prepend (str
, "<pwmd>");
2872 tstr
= string_append (str
, "</pwmd>");
2874 rc
= GPG_ERR_ENOMEM
;
2877 rc
= GPG_ERR_ENOMEM
;
2882 doc
= xmlReadDoc ((xmlChar
*) str
->str
, NULL
, "UTF-8", XML_PARSE_NOBLANKS
);
2883 string_free (str
, 1);
2886 rc
= GPG_ERR_BAD_DATA
;
2890 root
= xmlDocGetRootElement (doc
);
2891 root
= root
->children
;
2892 if (root
->type
!= XML_ELEMENT_NODE
)
2894 rc
= GPG_ERR_BAD_DATA
;
2898 rc
= xml_validate_import (client
, root
);
2904 /* Create the new specified root element path, if needed. */
2905 n
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
),
2910 /* Overwrite the children of the specified root element path. */
2911 (void)xml_unlink_node (client
, n
->children
);
2915 n
= xmlDocGetRootElement (client
->doc
);
2920 xmlChar
*name
= xml_attribute_value (root
, (xmlChar
*)"_name");
2923 rc
= GPG_ERR_BAD_DATA
;
2926 /* No --root argument passed. Overwrite the current documents' root
2927 * element matching the root element of the imported data. */
2928 xml_free_request (req
);
2930 rc
= xml_new_request (client
, (char *)name
, XML_CMD_DELETE
, &req
);
2936 tmp
= xml_find_elements (client
, req
,
2937 xmlDocGetRootElement (req
->doc
), &rc
);
2938 if (rc
&& rc
!= GPG_ERR_ELEMENT_NOT_FOUND
)
2942 (void)xml_unlink_node (client
, tmp
);
2950 copy
= xmlCopyNodeList (root
);
2952 rc
= GPG_ERR_ENOMEM
;
2955 n
= xmlAddChildList (n
, copy
);
2957 rc
= GPG_ERR_ENOMEM
;
2962 if (!rc
&& n
&& n
->parent
)
2963 rc
= xml_update_element_mtime (client
, n
->parent
);
2966 xml_free_request (req
);
2975 parse_import_opt_root (void *data
, void *value
)
2977 struct client_s
*client
= data
;
2979 client
->import_root
= str_dup (value
);
2980 return client
->import_root
? 0 : GPG_ERR_ENOMEM
;
2984 import_command (assuan_context_t ctx
, char *line
)
2987 struct client_s
*client
= assuan_get_pointer (ctx
);
2988 unsigned char *result
;
2990 struct argv_s
*args
[] = {
2991 &(struct argv_s
) {"root", OPTION_TYPE_ARG
, parse_import_opt_root
},
2995 xfree (client
->import_root
);
2996 client
->import_root
= NULL
;
2997 rc
= parse_options (&line
, args
, client
, 0);
2999 return send_error (ctx
, rc
);
3001 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
3004 xfree (client
->import_root
);
3005 client
->import_root
= NULL
;
3006 return send_error (ctx
, rc
);
3009 rc
= do_import (client
, client
->import_root
, result
);
3010 xfree (client
->import_root
);
3011 client
->import_root
= NULL
;
3012 return send_error (ctx
, rc
);
3016 do_lock (struct client_s
*client
, int add
)
3018 gpg_error_t rc
= lock_file_mutex (client
, add
);
3021 client
->flags
|= FLAG_LOCK_CMD
;
3027 lock_command (assuan_context_t ctx
, char *line
)
3029 struct client_s
*client
= assuan_get_pointer (ctx
);
3033 return send_error (ctx
, GPG_ERR_SYNTAX
);
3035 rc
= do_lock (client
, 0);
3036 return send_error (ctx
, rc
);
3040 unlock_command (assuan_context_t ctx
, char *line
)
3042 struct client_s
*client
= assuan_get_pointer (ctx
);
3046 return send_error (ctx
, GPG_ERR_SYNTAX
);
3048 rc
= unlock_file_mutex (client
, 0);
3049 return send_error (ctx
, rc
);
3053 get_set_env (const char *name
, const char *value
)
3055 if (value
&& *value
)
3056 setenv (name
, value
, 1);
3062 option_command (assuan_context_t ctx
, char *line
)
3064 struct client_s
*client
= assuan_get_pointer (ctx
);
3066 char namebuf
[255] = { 0 };
3067 char *name
= namebuf
;
3068 char *value
= NULL
, *p
, *tmp
= NULL
;
3070 p
= strchr (line
, '=');
3073 strncpy (namebuf
, line
, sizeof(namebuf
));
3074 namebuf
[sizeof(namebuf
)-1] = 0;
3078 strncpy (namebuf
, line
, strlen (line
)-strlen (p
));
3079 namebuf
[sizeof(namebuf
)-1] = 0;
3083 log_write2 ("OPTION name='%s' value='%s'", name
, value
);
3085 if (strcasecmp (name
, (char *) "lock-timeout") == 0)
3091 n
= strtol (value
, &tmp
, 10);
3093 return send_error (ctx
, GPG_ERR_INV_VALUE
);
3096 client
->lock_timeout
= n
;
3098 else if (strcasecmp (name
, (char *) "client-state") == 0)
3104 n
= strtol (value
, &tmp
, 10);
3105 if ((tmp
&& *tmp
) || (n
< 0 || n
> 1))
3106 return send_error (ctx
, GPG_ERR_INV_VALUE
);
3107 client
->client_state
= n
;
3110 client
->client_state
= 0;
3112 else if (strcasecmp (name
, (char *) "NAME") == 0)
3114 if (value
&& strchr (value
, ' '))
3115 rc
= GPG_ERR_INV_VALUE
;
3118 tmp
= pthread_getspecific (thread_name_key
);
3119 pthread_setspecific (thread_name_key
, NULL
);
3121 MUTEX_LOCK (&cn_mutex
);
3123 if (value
&& *value
)
3124 pthread_setspecific (thread_name_key
, str_dup (value
));
3126 MUTEX_UNLOCK (&cn_mutex
);
3129 else if (strcasecmp (name
, "disable-pinentry") == 0)
3133 if (value
&& *value
)
3135 n
= (int) strtol (value
, &tmp
, 10);
3136 if (*tmp
|| n
< 0 || n
> 1)
3137 return send_error (ctx
, GPG_ERR_INV_VALUE
);
3141 client
->flags
|= FLAG_NO_PINENTRY
;
3143 client
->flags
&= ~FLAG_NO_PINENTRY
;
3145 else if (strcasecmp (name
, "ttyname") == 0)
3147 get_set_env ("GPG_TTY", value
);
3149 else if (strcasecmp (name
, "ttytype") == 0)
3151 get_set_env ("TERM", value
);
3153 else if (strcasecmp (name
, "display") == 0)
3155 get_set_env ("DISPLAY", value
);
3157 else if (strcasecmp (name
, "lc_messages") == 0)
3160 else if (strcasecmp (name
, "lc_ctype") == 0)
3163 else if (strcasecmp (name
, "desc") == 0)
3166 else if (strcasecmp (name
, "pinentry-timeout") == 0)
3170 rc
= GPG_ERR_UNKNOWN_OPTION
;
3172 return send_error (ctx
, rc
);
3176 do_rename (assuan_context_t ctx
, char *line
)
3178 struct client_s
*client
= assuan_get_pointer (ctx
);
3180 xmlNodePtr src
, dst
;
3181 struct string_s
*str
= NULL
, *tstr
;
3182 struct xml_request_s
*req
;
3185 args
= str_split (line
, " ", 0);
3186 if (!args
|| strv_length (args
) != 2)
3189 return GPG_ERR_SYNTAX
;
3192 if (!xml_valid_element ((xmlChar
*) args
[1]))
3195 return GPG_ERR_INV_VALUE
;
3198 rc
= xml_new_request (client
, args
[0], XML_CMD_RENAME
, &req
);
3205 src
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
3209 rc
= xml_is_element_owner (client
, src
);
3213 xmlChar
*a
= xmlGetProp (src
, (xmlChar
*) "_name");
3216 rc
= GPG_ERR_ENOMEM
;
3220 /* To prevent unwanted effects:
3222 * <element _name="a"><element _name="b"/></element>
3226 if (xmlStrEqual (a
, (xmlChar
*) args
[1]))
3229 rc
= GPG_ERR_EEXIST
;
3234 str
= string_new (args
[0]);
3237 rc
= GPG_ERR_ENOMEM
;
3241 p
= strrchr (str
->str
, '\t');
3243 tstr
= string_truncate (str
, strlen (str
->str
)-strlen (p
));
3245 tstr
= string_truncate (str
, 0);
3249 string_free (str
, 1);
3250 rc
= GPG_ERR_ENOMEM
;
3255 tstr
= string_append_printf (str
, "%s%s", str
->len
? "\t" : "", args
[1]);
3258 string_free (str
, 1);
3259 rc
= GPG_ERR_ENOMEM
;
3264 xml_free_request (req
);
3265 rc
= xml_new_request (client
, str
->str
, XML_CMD_RENAME
, &req
);
3266 string_free (str
, 1);
3273 dst
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
3274 if (rc
&& rc
!= GPG_ERR_ELEMENT_NOT_FOUND
)
3279 /* Target may exist:
3281 * <element _name="a"/>
3282 * <element _name="b" target="a"/>
3288 rc
= GPG_ERR_EEXIST
;
3294 rc
= xml_is_element_owner (client
, dst
);
3298 rc
= xml_add_attribute (client
, src
, "_name", args
[1]);
3300 xml_unlink_node (client
, dst
);
3303 rc
= xml_add_attribute (client
, src
, "_name", args
[1]);
3306 xml_free_request (req
);
3312 rename_command (assuan_context_t ctx
, char *line
)
3314 struct client_s
*client
= assuan_get_pointer (ctx
);
3316 struct argv_s
*args
[] = {
3317 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
3321 rc
= parse_options (&line
, args
, client
, 1);
3322 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
3323 rc
= GPG_ERR_SYNTAX
;
3325 return send_error (ctx
, rc
);
3327 if (client
->opts
& OPT_INQUIRE
)
3329 unsigned char *result
;
3332 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
3334 return send_error (ctx
, rc
);
3336 pthread_cleanup_push ((void *)xfree
, result
);
3337 rc
= do_rename (ctx
, (char *)result
);
3338 pthread_cleanup_pop (1);
3341 rc
= do_rename (ctx
, line
);
3343 return send_error (ctx
, rc
);
3347 do_copy (assuan_context_t ctx
, char *line
)
3349 struct client_s
*client
= assuan_get_pointer (ctx
);
3350 char **args
, **targs
;
3351 xmlNodePtr src
, dst
, tree
= NULL
;
3352 struct xml_request_s
*req
;
3355 args
= str_split (line
, " ", 0);
3356 if (!args
|| strv_length (args
) != 2)
3359 return GPG_ERR_SYNTAX
;
3362 targs
= str_split (args
[1], "\t", 0);
3366 return GPG_ERR_SYNTAX
;
3369 if (!xml_valid_element_path (targs
, 0))
3373 return GPG_ERR_INV_VALUE
;
3377 rc
= xml_new_request (client
, args
[0], XML_CMD_NONE
, &req
);
3384 src
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
3388 tree
= xmlCopyNodeList (src
);
3391 rc
= GPG_ERR_ENOMEM
;
3395 xml_free_request (req
);
3396 /* Create the destination element path if it does not exist. */
3397 rc
= xml_new_request (client
, args
[1], XML_CMD_STORE
, &req
);
3404 dst
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
3408 rc
= xml_is_element_owner (client
, dst
);
3412 rc
= xml_validate_target (client
, req
->doc
, args
[1], src
);
3413 if (rc
|| src
== dst
)
3415 rc
= rc
? rc
: GPG_ERR_EEXIST
;
3419 /* Merge any attributes from the src node to the initial dst node. */
3420 for (xmlAttrPtr attr
= tree
->properties
; attr
; attr
= attr
->next
)
3422 if (xmlStrEqual (attr
->name
, (xmlChar
*) "_name"))
3425 xmlAttrPtr a
= xmlHasProp (dst
, attr
->name
);
3429 xmlChar
*tmp
= xmlNodeGetContent (attr
->children
);
3430 xmlNewProp (dst
, attr
->name
, tmp
);
3432 /* Create the default attributes. */
3433 rc
= xml_add_attribute (client
, dst
, NULL
, NULL
);
3436 xmlNodePtr n
= dst
->children
;
3437 (void)xml_unlink_node (client
, n
);
3438 dst
->children
= NULL
;
3442 n
= xmlCopyNodeList (tree
->children
);
3445 rc
= GPG_ERR_ENOMEM
;
3449 n
= xmlAddChildList (dst
, n
);
3452 rc
= GPG_ERR_ENOMEM
;
3456 rc
= xml_update_element_mtime (client
, xmlDocGetRootElement (client
->doc
)
3457 == dst
->parent
? dst
: dst
->parent
);
3462 (void)xml_unlink_node (client
, tree
);
3464 xml_free_request (req
);
3470 copy_command (assuan_context_t ctx
, char *line
)
3472 struct client_s
*client
= assuan_get_pointer (ctx
);
3474 struct argv_s
*args
[] = {
3475 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
3479 rc
= parse_options (&line
, args
, client
, 1);
3480 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
3481 rc
= GPG_ERR_SYNTAX
;
3483 return send_error (ctx
, rc
);
3485 if (client
->opts
& OPT_INQUIRE
)
3487 unsigned char *result
;
3490 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
3492 return send_error (ctx
, rc
);
3494 pthread_cleanup_push ((void *)xfree
, result
);
3495 rc
= do_copy (ctx
, (char *)result
);
3496 pthread_cleanup_pop (1);
3499 rc
= do_copy (ctx
, line
);
3501 return send_error (ctx
, rc
);
3505 do_move (assuan_context_t ctx
, char *line
)
3507 struct client_s
*client
= assuan_get_pointer (ctx
);
3509 xmlNodePtr src
, dst
;
3510 struct xml_request_s
*req
;
3513 args
= str_split (line
, " ", 0);
3514 if (!args
|| strv_length (args
) != 2)
3517 return GPG_ERR_SYNTAX
;
3522 char **targs
= str_split (args
[1], "\t", 0);
3526 return GPG_ERR_ENOMEM
;
3529 if (!xml_valid_element_path (targs
, 0))
3533 return GPG_ERR_INV_VALUE
;
3539 rc
= xml_new_request (client
, args
[0], XML_CMD_MOVE
, &req
);
3546 src
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
), &rc
);
3550 rc
= xml_is_element_owner (client
, src
);
3554 xml_free_request (req
);
3558 rc
= xml_new_request (client
, args
[1], XML_CMD_NONE
, &req
);
3562 dst
= xml_find_elements (client
, req
, xmlDocGetRootElement (req
->doc
),
3566 dst
= xmlDocGetRootElement (client
->doc
);
3568 if (rc
&& rc
!= GPG_ERR_ELEMENT_NOT_FOUND
)
3573 for (xmlNodePtr n
= dst
; n
; n
= n
->parent
)
3577 rc
= GPG_ERR_EEXIST
;
3584 xmlChar
*a
= xml_attribute_value (src
, (xmlChar
*) "_name");
3585 xmlNodePtr dup
= xml_find_element (client
, dst
->children
, (char *) a
, &rc
);
3588 if (rc
&& rc
!= GPG_ERR_ELEMENT_NOT_FOUND
)
3597 rc
= GPG_ERR_EEXIST
;
3601 if (dst
== xmlDocGetRootElement (client
->doc
))
3606 while (n
->parent
&& n
->parent
!= dst
)
3609 a
= xml_attribute_value (n
, (xmlChar
*) "_name");
3610 xmlChar
*b
= xml_attribute_value (src
, (xmlChar
*) "_name");
3612 if (xmlStrEqual (a
, b
))
3615 xmlUnlinkNode (src
);
3616 (void)xml_unlink_node (client
, n
);
3623 (void)xml_unlink_node (client
, dup
);
3626 xmlUnlinkNode (dup
);
3630 if (!dst
&& *req
->args
)
3632 struct xml_request_s
*nreq
= NULL
;
3633 xmlChar
*name
= xml_attribute_value (src
, (xmlChar
*) "_name");
3635 if (src
->parent
== xmlDocGetRootElement (client
->doc
)
3636 && !strcmp ((char *) name
, *req
->args
))
3639 rc
= GPG_ERR_EEXIST
;
3644 rc
= xml_new_request (client
, args
[1], XML_CMD_STORE
, &nreq
);
3647 dst
= xml_find_elements (client
, nreq
,
3648 xmlDocGetRootElement (nreq
->doc
), &rc
);
3649 xml_free_request (nreq
);
3656 xml_update_element_mtime (client
, src
->parent
);
3657 xmlUnlinkNode (src
);
3659 dst
= xmlAddChildList (dst
, src
);
3661 rc
= GPG_ERR_ENOMEM
;
3663 xml_update_element_mtime (client
, dst
->parent
);
3666 xml_free_request (req
);
3672 move_command (assuan_context_t ctx
, char *line
)
3674 struct client_s
*client
= assuan_get_pointer (ctx
);
3676 struct argv_s
*args
[] = {
3677 &(struct argv_s
) {"inquire", OPTION_TYPE_NOARG
, parse_opt_inquire
},
3681 rc
= parse_options (&line
, args
, client
, 1);
3682 if (!rc
&& (client
->opts
& OPT_INQUIRE
) && line
&& *line
)
3683 rc
= GPG_ERR_SYNTAX
;
3685 return send_error (ctx
, rc
);
3687 if (client
->opts
& OPT_INQUIRE
)
3689 unsigned char *result
;
3692 rc
= assuan_inquire (ctx
, "DATA", &result
, &len
, 0);
3694 return send_error (ctx
, rc
);
3696 pthread_cleanup_push ((void *)xfree
, result
);
3697 rc
= do_move (ctx
, (char *)result
);
3698 pthread_cleanup_pop (1);
3701 rc
= do_move (ctx
, line
);
3703 return send_error (ctx
, rc
);
3707 ls_command (assuan_context_t ctx
, char *line
)
3715 return send_error (ctx
, GPG_ERR_SYNTAX
);
3717 tmp
= str_asprintf ("%s/data", homedir
);
3718 dir
= expand_homedir (tmp
);
3721 rc
= gpg_error_from_errno (errno
);
3726 return send_error (ctx
, rc
);
3730 offsetof (struct dirent
, d_name
) +pathconf (dir
, _PC_NAME_MAX
) + 1;
3731 struct dirent
*p
= xmalloc (len
), *cur
= NULL
;
3735 pthread_cleanup_push ((void *)xfree
, p
);
3736 pthread_cleanup_push ((void *)(void *)(void *)closedir
, d
);
3739 while (!readdir_r (d
, p
, &cur
) && cur
)
3741 rc
= open_check_file (cur
->d_name
, NULL
, NULL
, 1);
3745 tmp
= str_asprintf ("%s%s\n", list
? list
: "", cur
->d_name
);
3752 rc
= GPG_ERR_ENOMEM
;
3760 pthread_cleanup_pop (1); // closedir (d)
3761 pthread_cleanup_pop (1); // xfree (p)
3764 return send_error (ctx
, rc
);
3767 return send_error (ctx
, GPG_ERR_NO_DATA
);
3769 list
[strlen (list
) - 1] = 0;
3770 pthread_cleanup_push ((void *)xfree
, list
);
3771 rc
= xfer_data (ctx
, list
, strlen (list
));
3772 pthread_cleanup_pop (1);
3773 return send_error (ctx
, rc
);
3777 bye_notify (assuan_context_t ctx
, char *line
)
3779 struct client_s
*cl
= assuan_get_pointer (ctx
);
3780 gpg_error_t ret
= 0;
3783 update_client_state (cl
, CLIENT_STATE_DISCON
);
3787 if (cl
->thd
->remote
)
3793 struct timeval tv
= { 0, 50000 };
3795 rc
= gnutls_bye (cl
->thd
->tls
->ses
, GNUTLS_SHUT_RDWR
);
3796 if (rc
== GNUTLS_E_AGAIN
)
3797 select (0, NULL
, NULL
, NULL
, &tv
);
3799 while (rc
== GNUTLS_E_AGAIN
);
3803 /* This will let assuan_process_next() return. */
3804 if (fcntl (cl
->thd
->fd
, F_SETFL
, O_NONBLOCK
) == -1)
3806 cl
->last_rc
= gpg_error_from_errno (errno
);
3810 cl
->last_rc
= 0; // BYE command result
3815 reset_notify (assuan_context_t ctx
, char *line
)
3817 struct client_s
*client
= assuan_get_pointer (ctx
);
3821 reset_client (client
);
3827 * This is called before every Assuan command.
3830 command_startup (assuan_context_t ctx
, const char *name
)
3832 struct client_s
*client
= assuan_get_pointer (ctx
);
3834 struct command_table_s
*cmd
= NULL
;
3836 log_write2 ("command='%s'", name
);
3837 client
->last_rc
= client
->opts
= 0;
3839 for (int i
= 0; command_table
[i
]; i
++)
3841 if (!strcasecmp (name
, command_table
[i
]->name
))
3843 if (command_table
[i
]->ignore_startup
)
3845 cmd
= command_table
[i
];
3851 return GPG_ERR_UNKNOWN_COMMAND
;
3853 client
->last_rc
= rc
= gpg_error (file_modified (client
, cmd
));
3855 update_client_state (client
, CLIENT_STATE_COMMAND
);
3861 * This is called after every Assuan command.
3864 command_finalize (assuan_context_t ctx
, gpg_error_t rc
)
3866 struct client_s
*client
= assuan_get_pointer (ctx
);
3868 if (!(client
->flags
& FLAG_LOCK_CMD
))
3869 unlock_file_mutex (client
, 0);
3871 unlock_flock (&client
->flock_fd
);
3872 log_write2 (_("command completed: rc=%u"), rc
? rc
: client
->last_rc
);
3873 client
->last_rc
= gpg_error (GPG_ERR_UNKNOWN_COMMAND
);
3875 client
->thd
->buffer_timeout
= client
->thd
->last_buffer_size
= 0;
3877 if (client
->thd
->state
!= CLIENT_STATE_DISCON
)
3878 update_client_state (client
, CLIENT_STATE_IDLE
);
3882 parse_help_opt_html (void *data
, void *value
)
3884 struct client_s
*client
= data
;
3887 client
->opts
|= OPT_HTML
;
3892 help_command (assuan_context_t ctx
, char *line
)
3896 struct client_s
*client
= assuan_get_pointer (ctx
);
3897 struct argv_s
*args
[] = {
3898 &(struct argv_s
) {"html", OPTION_TYPE_NOARG
, parse_help_opt_html
},
3902 rc
= parse_options (&line
, args
, client
, 1);
3904 return send_error (ctx
, rc
);
3906 if (!line
|| !*line
)
3909 char *help
= str_dup (_("Usage: HELP [--html] [<COMMAND>]\n"
3910 "For commands that take an element path as an argument, each element is "
3911 "separated with an ASCII @key{TAB} character (ASCII 0x09)."
3914 for (i
= 0; command_table
[i
]; i
++)
3916 if (!command_table
[i
]->help
)
3919 /* @npxref{} won't put a "See " or "see " in front of the command.
3920 * It's not a texinfo command but needed for --html. */
3921 tmp
= str_asprintf ("%s %s%s%s", help
,
3922 client
->opts
& OPT_HTML
? "@npxref{" : "",
3923 command_table
[i
]->name
,
3924 client
->opts
& OPT_HTML
? "}" : "");
3929 tmp
= strip_texi_and_wrap (help
, client
->opts
& OPT_HTML
);
3931 pthread_cleanup_push ((void *)xfree
, tmp
);
3932 rc
= xfer_data (ctx
, tmp
, strlen (tmp
));
3933 pthread_cleanup_pop (1);
3934 return send_error (ctx
, rc
);
3937 for (i
= 0; command_table
[i
]; i
++)
3939 if (!strcasecmp (line
, command_table
[i
]->name
))
3943 if (!command_table
[i
]->help
)
3946 help
= strip_texi_and_wrap (command_table
[i
]->help
,
3947 client
->opts
& OPT_HTML
);
3948 tmp
= str_asprintf ("%s%s",
3949 (client
->opts
& OPT_HTML
) ? "" : _("Usage: "),
3952 pthread_cleanup_push ((void *)xfree
, tmp
);
3953 rc
= xfer_data (ctx
, tmp
, strlen (tmp
));
3954 pthread_cleanup_pop (1);
3955 return send_error (ctx
, rc
);
3959 return send_error (ctx
, GPG_ERR_INV_NAME
);
3963 new_command (const char *name
, int ignore
, int unlock
, int flock_type
,
3964 gpg_error_t (*handler
) (assuan_context_t
, char *),
3968 struct command_table_s
**tmp
;
3971 for (i
= 0; command_table
[i
]; i
++);
3973 tmp
= xrealloc (command_table
, (i
+ 2) * sizeof (struct command_table_s
*));
3975 command_table
= tmp
;
3976 command_table
[i
] = xcalloc (1, sizeof (struct command_table_s
));
3977 command_table
[i
]->name
= name
;
3978 command_table
[i
]->handler
= handler
;
3979 command_table
[i
]->ignore_startup
= ignore
;
3980 command_table
[i
]->unlock
= unlock
;
3981 command_table
[i
]->flock_type
= flock_type
;
3982 command_table
[i
++]->help
= help
;
3983 command_table
[i
] = NULL
;
3991 for (i
= 0; command_table
[i
]; i
++)
3992 xfree (command_table
[i
]);
3994 xfree (command_table
);
3998 sort_commands (const void *arg1
, const void *arg2
)
4000 struct command_table_s
*const *a
= arg1
;
4001 struct command_table_s
*const *b
= arg2
;
4010 return strcmp ((*a
)->name
, (*b
)->name
);
4014 passwd_command (assuan_context_t ctx
, char *line
)
4016 struct client_s
*client
= assuan_get_pointer (ctx
);
4020 rc
= peer_is_invoker (client
);
4021 if (rc
== GPG_ERR_EACCES
)
4022 return send_error (ctx
, GPG_ERR_FORBIDDEN
);
4024 return send_error (ctx
, rc
);
4026 if (client
->flags
& FLAG_NEW
)
4027 return send_error (ctx
, GPG_ERR_INV_STATE
);
4029 client
->crypto
->keyfile
= config_get_string (client
->filename
,
4031 rc
= crypto_init_ctx (client
->crypto
, client
->flags
& FLAG_NO_PINENTRY
,
4032 client
->crypto
->keyfile
);
4034 return send_error (ctx
, rc
);
4037 rc
= crypto_passwd (client
, client
->crypto
);
4039 crypto_free_non_keys (client
->crypto
);
4040 return send_error (ctx
, rc
);
4044 parse_opt_data (void *data
, void *value
)
4046 struct client_s
*client
= data
;
4049 client
->opts
|= OPT_DATA
;
4054 send_client_list (assuan_context_t ctx
)
4056 struct client_s
*client
= assuan_get_pointer (ctx
);
4059 if (client
->opts
& OPT_VERBOSE
)
4065 MUTEX_LOCK (&cn_mutex
);
4066 pthread_cleanup_push ((void *)release_mutex_cb
, &cn_mutex
);
4067 t
= slist_length (cn_thread_list
);
4069 for (i
= 0; i
< t
; i
++)
4071 struct client_thread_s
*thd
= slist_nth_data (cn_thread_list
, i
);
4074 if (thd
->state
== CLIENT_STATE_UNKNOWN
)
4077 tmp
= build_client_info_line (thd
, 0);
4080 char **l
= strv_cat (list
, tmp
);
4082 rc
= GPG_ERR_ENOMEM
;
4087 rc
= GPG_ERR_ENOMEM
;
4096 pthread_cleanup_pop (1);
4100 line
= strv_join ("\n", list
);
4102 pthread_cleanup_push ((void *)xfree
, line
);
4103 rc
= xfer_data (ctx
, line
, strlen (line
));
4104 pthread_cleanup_pop (1);
4108 if (client
->opts
& OPT_DATA
)
4110 char buf
[ASSUAN_LINELENGTH
];
4112 MUTEX_LOCK (&cn_mutex
);
4113 snprintf (buf
, sizeof (buf
), "%u", slist_length (cn_thread_list
));
4114 MUTEX_UNLOCK (&cn_mutex
);
4115 rc
= xfer_data (ctx
, buf
, strlen (buf
));
4118 rc
= send_status (ctx
, STATUS_CLIENTS
, NULL
);
4124 getinfo_command (assuan_context_t ctx
, char *line
)
4126 struct client_s
*client
= assuan_get_pointer (ctx
);
4128 char buf
[ASSUAN_LINELENGTH
];
4129 struct argv_s
*args
[] = {
4130 &(struct argv_s
) {"data", OPTION_TYPE_NOARG
, parse_opt_data
},
4131 &(struct argv_s
) {"verbose", OPTION_TYPE_NOARG
, parse_opt_verbose
},
4135 rc
= parse_options (&line
, args
, client
, 1);
4137 return send_error (ctx
, rc
);
4139 if (!strcasecmp (line
, "clients"))
4141 rc
= send_client_list (ctx
);
4143 else if (!strcasecmp (line
, "cache"))
4145 if (client
->opts
& OPT_DATA
)
4147 snprintf (buf
, sizeof (buf
), "%u", cache_file_count ());
4148 rc
= xfer_data (ctx
, buf
, strlen (buf
));
4151 rc
= send_status (ctx
, STATUS_CACHE
, NULL
);
4153 else if (!strcasecmp (line
, "pid"))
4155 pid_t pid
= getpid ();
4157 snprintf (buf
, sizeof (buf
), "%u", pid
);
4158 rc
= xfer_data (ctx
, buf
, strlen (buf
));
4160 else if (!strcasecmp (line
, "version"))
4162 char *tmp
= str_asprintf ("0x%06x %s", VERSION_HEX
,
4170 pthread_cleanup_push (xfree
, tmp
);
4171 rc
= xfer_data (ctx
, tmp
, strlen (tmp
));
4172 pthread_cleanup_pop (1);
4174 else if (!strcasecmp (line
, "last_error"))
4176 if (client
->last_error
)
4177 rc
= xfer_data (ctx
, client
->last_error
, strlen (client
->last_error
));
4179 rc
= GPG_ERR_NO_DATA
;
4181 else if (!strcasecmp (line
, "user"))
4186 if (client
->thd
->remote
)
4187 user
= str_asprintf ("#%s", client
->thd
->tls
->fp
);
4189 user
= get_username (client
->thd
->peer
->uid
);
4191 user
= get_username (client
->thd
->peer
->uid
);
4195 pthread_cleanup_push ((void *)xfree
, user
);
4196 rc
= xfer_data (ctx
, user
, strlen (user
));
4197 pthread_cleanup_pop (1);
4200 rc
= GPG_ERR_NO_DATA
;
4203 rc
= gpg_error (GPG_ERR_SYNTAX
);
4205 return send_error (ctx
, rc
);
4209 parse_listkeys_opt_secret_only (void *data
, void *value
)
4211 struct client_s
*client
= data
;
4214 client
->opts
|= OPT_SECRET_ONLY
;
4219 keyinfo_command (assuan_context_t ctx
, char *line
)
4221 struct client_s
*client
= assuan_get_pointer (ctx
);
4223 char **keys
= NULL
, **p
= NULL
;
4227 return send_error (ctx
, GPG_ERR_SYNTAX
);
4229 if (!(client
->flags
& FLAG_OPEN
))
4230 return send_error (ctx
, GPG_ERR_INV_STATE
);
4232 if (client
->flags
& FLAG_NEW
)
4233 return send_error (ctx
, GPG_ERR_NO_DATA
);
4235 rc
= lock_flock (ctx
, client
->filename
, FLOCK_TYPE_SH
, &client
->flock_fd
);
4237 return send_error (ctx
, rc
);
4239 rc
= crypto_is_symmetric (client
->filename
);
4240 unlock_flock (&client
->flock_fd
);
4243 else if (rc
!= GPG_ERR_BAD_DATA
)
4244 return send_error (ctx
, rc
);
4249 p
= strv_catv(keys
, client
->crypto
->pubkey
);
4251 rc
= GPG_ERR_ENOMEM
;
4257 for (p
= client
->crypto
->sigkey
; p
&& *p
; p
++)
4259 if (!strv_printf(&keys
, "S%s", *p
))
4262 return send_error (ctx
, GPG_ERR_ENOMEM
);
4267 rc
= GPG_ERR_ENOMEM
;
4273 line
= strv_join ("\n", keys
);
4275 pthread_cleanup_push ((void *)xfree
, line
);
4277 rc
= xfer_data (ctx
, line
, strlen (line
));
4279 rc
= GPG_ERR_ENOMEM
;
4281 pthread_cleanup_pop (1);
4284 rc
= GPG_ERR_NO_DATA
;
4289 return send_error (ctx
, rc
);
4293 kill_command (assuan_context_t ctx
, char *line
)
4295 struct client_s
*client
= assuan_get_pointer (ctx
);
4299 if (!line
|| !*line
)
4300 return send_error (ctx
, GPG_ERR_SYNTAX
);
4302 MUTEX_LOCK (&cn_mutex
);
4303 pthread_cleanup_push ((void *)release_mutex_cb
, &cn_mutex
);
4304 t
= slist_length (cn_thread_list
);
4307 for (i
= 0; i
< t
; i
++)
4309 struct client_thread_s
*thd
= slist_nth_data (cn_thread_list
, i
);
4310 char *tmp
= str_asprintf ("%p", thd
->tid
);
4312 if (strcmp (line
, tmp
))
4319 rc
= peer_is_invoker (client
);
4322 #ifdef HAVE_PTHREAD_CANCEL
4323 pthread_cancel (thd
->tid
);
4325 pthread_kill (thd
->tid
, SIGUSR2
);
4329 else if (rc
== GPG_ERR_EACCES
)
4330 rc
= GPG_ERR_FORBIDDEN
;
4334 if (config_get_boolean ("global", "strict_kill"))
4338 if (client
->thd
->remote
&& thd
->remote
)
4340 if (!thd
->tls
|| !thd
->tls
->fp
)
4342 rc
= GPG_ERR_INV_STATE
;
4345 if (!strcmp (client
->thd
->tls
->fp
, thd
->tls
->fp
))
4347 #ifdef HAVE_PTHREAD_CANCEL
4348 pthread_cancel (thd
->tid
);
4350 pthread_kill (thd
->tid
, SIGUSR2
);
4355 else if (!client
->thd
->remote
&& !thd
->remote
)
4358 if (client
->thd
->peer
->uid
== thd
->peer
->uid
)
4360 #ifdef HAVE_PTHREAD_CANCEL
4361 pthread_cancel (thd
->tid
);
4363 pthread_kill (thd
->tid
, SIGUSR2
);
4370 pthread_cleanup_pop (1);
4371 return send_error (ctx
, rc
);
4375 listkeys_command (assuan_context_t ctx
, char *line
)
4377 struct client_s
*client
= assuan_get_pointer (ctx
);
4378 struct crypto_s
*crypto
= NULL
;
4379 char **pattern
= NULL
;
4380 gpgme_key_t
*keys
= NULL
;
4381 char **result
= NULL
;
4383 struct argv_s
*args
[] = {
4384 &(struct argv_s
) {"secret-only", OPTION_TYPE_NOARG
,
4385 parse_listkeys_opt_secret_only
},
4389 rc
= parse_options (&line
, args
, client
, 1);
4391 return send_error (ctx
, rc
);
4393 rc
= crypto_init (&crypto
, client
->ctx
, client
->filename
,
4394 client
->flags
& FLAG_NO_PINENTRY
, NULL
);
4396 return send_error (ctx
, rc
);
4398 pthread_cleanup_push ((void *)crypto_free
, crypto
);
4399 pattern
= str_split (line
, ",", 0);
4400 pthread_cleanup_push ((void *)(void *)strv_free
, pattern
);
4401 rc
= crypto_list_keys (crypto
, pattern
, client
->opts
& OPT_SECRET_ONLY
,
4403 pthread_cleanup_pop (1);
4404 pthread_cleanup_pop (1);
4409 for (i
= 0; keys
[i
]; i
++)
4411 char *p
= crypto_key_info (keys
[i
]);
4416 rc
= GPG_ERR_ENOMEM
;
4420 r
= strv_cat (result
, p
);
4423 rc
= GPG_ERR_ENOMEM
;
4431 rc
= GPG_ERR_NO_DATA
;
4433 crypto_free_key_list (keys
);
4438 line
= strv_join ("\n", result
);
4440 pthread_cleanup_push ((void *)xfree
, line
);
4442 rc
= GPG_ERR_ENOMEM
;
4444 rc
= xfer_data (ctx
, line
, strlen (line
));
4446 pthread_cleanup_pop (1);
4451 if (gpg_err_code (rc
) == GPG_ERR_NO_PUBKEY
4452 || gpg_err_code (rc
) == GPG_ERR_NO_SECKEY
)
4453 rc
= GPG_ERR_NO_DATA
;
4455 return send_error (ctx
, rc
);
4461 /* !BEGIN-HELP-TEXT!
4463 * This comment is used as a marker to generate the offline documentation
4464 * found in doc/pwmd.info. The indentation needs to be kept for the awk
4465 * script to determine where commands begin and end.
4467 new_command("HELP", 1, 1, 0, help_command
, _(
4468 "HELP [--html] [<COMMAND>]\n"
4469 "Show available commands or command specific help text."
4471 "The @option{--html} option will output the help text in HTML format."
4474 new_command("KILL", 1, 0, 0, kill_command
, _(
4475 "KILL <thread_id>\n"
4476 "Terminates the client identified by @var{thread_id} and releases any file "
4477 "lock or other resources it has held. See @code{GETINFO} (@pxref{GETINFO}) "
4478 "for details about listing connected clients. An @code{invoking_user} "
4479 "(@pxref{Configuration}) may kill any client while others may only kill "
4480 "clients of the same @code{UID} or @abbr{TLS} fingerprint."
4483 new_command("LISTKEYS", 0, 0, 0, listkeys_command
, _(
4484 "LISTKEYS [--secret-only] [pattern[,<pattern>]]\n"
4485 "Returns a new line separated list of key information matching a comma "
4486 "separated list of @var{pattern}'s. When option @option{--secret-only} is "
4487 "specified, only keys matching @var{pattern} that also have a secret key "
4488 "available will be returned."
4491 new_command("KEYINFO", 1, 0, 0, keyinfo_command
, _(
4493 "Returns a new line separated list of key ID's that the currently opened "
4494 "data file has recipients and signers for. If the key is a signing key it "
4495 "will be prefixed with an @code{S}. If the file is a new one, or has no "
4496 "signers in the case of being symmetrically encrypted, the error code "
4497 "@code{GPG_ERR_NO_DATA} is returned."
4500 new_command("GETINFO", 1, 1, 0, getinfo_command
, _(
4501 "GETINFO [--data] [--verbose] CACHE | CLIENTS | PID | USER | LAST_ERROR | VERSION\n"
4502 "Get server and other information. The information is returned via a status "
4503 "message (@pxref{Status Messages}) unless otherwise noted or @option{--data} "
4506 "@var{CACHE} returns the number of cached documents."
4508 "@var{CLIENTS} returns the number of "
4509 "connected clients via a status message or a list of connected clients when "
4510 "the @option{--verbose} parameter is used (implies @option{--data}). A "
4511 "verbose line of a client list contains "
4513 "fields: the thread ID, client name, opened file (@code{/} if none opened), "
4514 "IP address if remote, file lock status, whether the current client is self "
4515 "or not, client state (see below), "
4516 "user ID or TLS fingerprint of the connected client, username if the "
4517 "client is a local one else @code{-}, and finally the time stamp of when the "
4520 "Client state @code{0} is an unknown client state, state @code{1} indicates "
4521 "the client has connected but hasn't completed initializing, state @code{2} "
4522 "indicates that the client is idle, state @code{3} means the "
4523 "client is in a command and state @code{4} means the client is disconnecting. "
4525 "@var{PID} returns the process ID number of the server via a data response."
4527 "@var{VERSION} returns the server version number and compile-time features "
4528 "via a data response with each being space delimited."
4530 "@var{LAST_ERROR} returns a detailed description of the last failed command "
4531 "via a data response, when available."
4533 "@var{USER} returns the username or @abbr{TLS} hash of the connected client "
4534 "via a data response."
4537 new_command("PASSWD", 0, 0, FLOCK_TYPE_EX
|FLOCK_TYPE_KEEP
, passwd_command
, _(
4539 "Changes the passphrase of the secret key required to open the current "
4540 "data file. If the data file is symmetrically encrypted, the error "
4541 "@code{GPG_ERR_NOT_SUPPORTED} is returned. When symmetrically encrypted, "
4542 "the @code{SAVE} command (@pxref{SAVE}) should be used instead to prevent "
4543 "this command saving any unwanted changes to the @abbr{XML} document."
4545 "This command is not available to non-invoking clients "
4546 "(@pxref{Access Control})."
4549 new_command("OPEN", 1, 1, FLOCK_TYPE_SH
|FLOCK_TYPE_KEEP
, open_command
, _(
4550 "OPEN [--lock] <filename>\n"
4551 "Opens @var{filename}. When the @var{filename} is not found on the "
4552 "file-system then a new in-memory document will be created. If the file is "
4553 "found, it is looked for in the file cache and when found no passphrase will "
4554 "be required to open it. When not cached, @cite{pinentry(1)} will be used to "
4555 "retrieve the passphrase for decryption unless @option{disable-pinentry} "
4556 "(@pxref{OPTION}) was specified in which case @command{pwmd} will "
4557 "@emph{INQUIRE} the client for the passphrase."
4559 "When the @option{--lock} option is passed then the file mutex will be "
4560 "locked as if the @code{LOCK} command (@pxref{LOCK}) had been sent after the "
4561 "file had been opened."
4564 new_command("SAVE", 0, 0, FLOCK_TYPE_EX
|FLOCK_TYPE_KEEP
, save_command
, _(
4565 "SAVE [--symmetric] [--inquire-keyparam] [--keyid=<fpr>[,..] | [--inquire-keyid]] [--sign-keyid=<fpr>[,..] | [--inquire-sign-keyid]]\n"
4566 "Writes the in-memory @abbr{XML} document to disk. The file written to is the "
4567 "file that was opened using the @code{OPEN} command (@pxref{OPEN}). If the "
4568 "file is a new one or the option @option{--inquire-keyparam} was passed, a "
4569 "new keypair will be generated and @cite{pinentry(1)} will be used to prompt "
4570 "for the passphrase of the secret key used for signing."
4572 "The @option{--inquire-keyparam} option will send an "
4573 "@emph{INQUIRE} to the client to obtain the key parameters to use for "
4574 "generating the new keypair. The inquired data is expected to be in "
4575 "@cite{gnupg} @abbr{XML} format. See the @cite{gnupg} documentation for "
4576 "details. Note that when this option is specified a new keypair will be "
4577 "generated reguardless if the file is a new one and that the passphrase for "
4578 "the current file will be required before generating the new keypair. This "
4579 "option is available to non-invoking clients (@pxref{Access Control}) only "
4580 "when the file is a new one."
4582 "You can encrypt the data file to a recipient other than the one that it "
4583 "was encrypted with by passing the @option{--keyid} or "
4584 "@option{--inquire-keyid} option with "
4585 "the fingerprint of a public encryption key as its argument. Use the "
4586 "@command{LISTKEYS} command (@pxref{LISTKEYS}) to show key information by "
4587 "pattern. The @option{--sign-keyid} or @option{--inquire-sign-keyid} option "
4588 "may also be used to sign the data "
4589 "file with an alternate key by specifying the fingerprint of a secret key. "
4590 "A passphrase to decrypt the data file "
4591 "will be required when one or more of the original encryption or signing keys "
4592 "are not found in either of these two options' arguments or when the data "
4593 "file is symmetrically encrypted, reguardless of the @code{require_save_key} "
4594 "configuration parameter. The original encryption or signing keys will be "
4595 "used when either of these options are not specified."
4597 "The @option{--keyid} and @option{--sign-keyid} options are not available "
4598 "for non-invoking clients "
4599 "(@pxref{Access Control}) when the recipients or signers do not match those "
4600 "that were used when the file was @code{OPEN}'ed."
4602 "The @option{--symmetric} option specifies that a new data file be "
4603 "conventionally encrypted. These types of data files do not use a recipient "
4604 "public key but may be signed by using the @option{--sign-keyid} or "
4605 "@option{--inquire-sign-keyid} options. To remove all signers from a "
4606 "symmtrically encrypted data file, leave the option value empty. Note that "
4607 "you cannot change encryption schemes once a data file has been saved."
4610 new_command("ISCACHED", 1, 0, 0, iscached_command
, _(
4611 "ISCACHED [--lock] [--agent [--sign]] <filename>\n"
4612 "Determines the file cache status of the specified @var{filename}. "
4613 "The default is to test whether the filename is cached in memory. Passing "
4614 "option @option{--agent} will test the @command{gpg-agent} cache for at most "
4615 "one cached key used for opening the data file (@pxref{OPEN}). To test if "
4616 "a signing key is cached, pass @option{--sign} along with @option{--agent}. "
4617 "Both the @option{--agent} and @option{--sign} options require an opened data "
4620 "An @emph{OK} response is returned if the specified @var{filename} is found "
4621 "in the cache. If not found in the cache but exists on the filesystem "
4622 "then @code{GPG_ERR_NO_DATA} is returned. Otherwise a filesystem error is "
4625 "The @option{--lock} option will lock the file mutex of @var{filename} when "
4626 "the file exists; it does not need to be opened nor cached. The lock will be "
4627 "released when the client exits or sends the @code{UNLOCK} command "
4628 "(@pxref{UNLOCK}). When this option is passed the current data file is closed."
4631 new_command("CLEARCACHE", 1, 1, 0, clearcache_command
, _(
4632 "CLEARCACHE [<filename>]\n"
4633 "Clears a file cache entry for all or the specified @var{filename}. Note that "
4634 "this will also clear any @command{gpg-agent} cached keys which may cause "
4635 "problems if another data file shares the same keys as @var{filename}."
4637 "When clearing all cache entries a permissions test is done against the "
4638 "current client based on the @var{access} configuration parameter in a "
4639 "@var{filename} section. Both a cache entry may be cleared and an error "
4640 "returned depending on cached data files and client permissions."
4643 new_command("CACHETIMEOUT", 1, 1, 0, cachetimeout_command
, _(
4644 "CACHETIMEOUT <filename> <seconds>\n"
4645 "The time in @var{seconds} until @var{filename} will be removed from the "
4646 "cache. @code{-1} will keep the cache entry forever, @code{0} will require "
4647 "the passphrase for each @code{OPEN} command (@pxref{OPEN}) or @code{SAVE} "
4648 "(@pxref{SAVE}) command. @xref{Configuration}, and the @code{cache_timeout} "
4652 new_command("LIST", 0, 1, 0, list_command
, _(
4653 "LIST [--inquire] [--recurse] [element[<TAB>child[..]]]\n"
4654 "If no element path is given then a newline separated list of root elements "
4655 "is returned with a data response. If given, then children of the specified "
4656 "element path are returned."
4658 "Each element path "
4659 "returned will have zero or more flags appened to it. These flags are "
4660 "delimited from the element path by a single space character. A flag itself "
4661 "is a single character. Flag @code{P} indicates that access to the element "
4662 "is denied. Flag @code{+} indicates that there are child nodes of "
4663 "the current element path. Flag @code{E} indicates that an element of the "
4664 "element path contained in a @var{target} attribute could not be found. Flag "
4665 "@code{O} indicates that a @var{target} attribute recursion limit was reached "
4666 "(@pxref{Configuration}). Flag @code{T}, followed by a single space character, "
4667 "then an element path, is the element path of the @var{target} attribute "
4668 "contained in the current element."
4670 "When a specified element path contains an error, beit from the final "
4671 "element in the path or any previous element, the path is still shown but "
4672 "will contain the error flag for the element with the error. Determining "
4673 "the actual element which contains the error is up to the client. This can be "
4674 "done by traversing the final element up to parent elements that contain the "
4677 "The option @option{--recurse} may be used to list the entire element tree "
4678 "for a specified element path or the entire tree for all root elements."
4680 "When the @option{--inquire} option is passed then all remaining non-option "
4681 "arguments are retrieved via a server @emph{INQUIRE}."
4684 new_command("REALPATH", 0, 1, 0, realpath_command
, _(
4685 "REALPATH [--inquire] element[<TAB>child[..]]\n"
4686 "Resolves all @code{target} attributes of the specified element path and "
4687 "returns the result with a data response. @xref{Target Attribute}, for details."
4689 "When the @option{--inquire} option is passed then all remaining non-option "
4690 "arguments are retrieved via a server @emph{INQUIRE}."
4693 new_command("STORE", 0, 1, 0, store_command
, _(
4694 "STORE element[<TAB>child[..]]<TAB>[content]\n"
4695 "This command uses a server @emph{INQUIRE} to retrieve data from the client."
4697 "Creates a new element path or modifies the @var{content} of an existing "
4698 "element. If only a single element is specified then a new root element is "
4699 "created. Otherwise, elements are @key{TAB} delimited and the content will be "
4700 "set to the final @key{TAB} delimited element. If no @var{content} is "
4701 "specified after the final @key{TAB}, then the content of the existing "
4702 "element will be removed; or will be empty if creating a new element."
4704 "The only restriction of an element name is that it not contain whitespace "
4705 "characters. There is no other whitespace between the @key{TAB} delimited "
4706 "elements. It is recommended that the content of an element be base64 encoded "
4707 "when it contains control or @key{TAB} characters to prevent @abbr{XML} "
4708 "parsing and @command{pwmd} syntax errors."
4711 new_command("RENAME", 0, 1, 0, rename_command
, _(
4712 "RENAME [--inquire] element[<TAB>child[..]] <value>\n"
4713 "Renames the specified @var{element} to the new @var{value}. If an element of "
4714 "the same name as the @var{value} already exists it will be overwritten."
4716 "When the @option{--inquire} option is passed then all remaining non-option "
4717 "arguments are retrieved via a server @emph{INQUIRE}."
4720 new_command("COPY", 0, 1, 0, copy_command
, _(
4721 "COPY [--inquire] source[<TAB>child[..]] dest[<TAB>child[..]]\n"
4722 "Copies the entire element tree starting from the child node of the source "
4723 "element, to the destination element path. If the destination element path "
4724 "does not exist then it will be created; otherwise it is overwritten."
4726 "Note that attributes from the source element are merged into the "
4727 "destination element when the destination element path exists. When an "
4728 "attribute of the same name exists in both the source and destination "
4729 "elements then the destination attribute will be updated to the source "
4732 "When the @option{--inquire} option is passed then all remaining non-option "
4733 "arguments are retrieved via a server @emph{INQUIRE}."
4736 new_command("MOVE", 0, 1, 0, move_command
, _(
4737 "MOVE [--inquire] source[<TAB>child[..]] [dest[<TAB>child[..]]]\n"
4738 "Moves the source element path to the destination element path. If the "
4739 "destination is not specified then it will be moved to the root node of the "
4740 "document. If the destination is specified and exists then it will be "
4741 "overwritten; otherwise non-existing elements of the destination element "
4742 "path will be created."
4744 "When the @option{--inquire} option is passed then all remaining non-option "
4745 "arguments are retrieved via a server @emph{INQUIRE}."
4748 new_command("DELETE", 0, 1, 0, delete_command
, _(
4749 "DELETE [--inquire] element[<TAB>child[..]]\n"
4750 "Removes the specified element path and all of its children. This may break "
4751 "an element with a @code{target} attribute (@pxref{Target Attribute}) that "
4752 "refers to this element or any of its children."
4754 "When the @option{--inquire} option is passed then all remaining non-option "
4755 "arguments are retrieved via a server @emph{INQUIRE}."
4758 new_command("GET", 0, 1, 0, get_command
, _(
4759 "GET [--inquire] element[<TAB>child[..]]\n"
4760 "Retrieves the content of the specified element. The content is returned "
4761 "with a data response."
4763 "When the @option{--inquire} option is passed then all remaining non-option "
4764 "arguments are retrieved via a server @emph{INQUIRE}."
4767 new_command("ATTR", 0, 1, 0, attr_command
, _(
4768 "ATTR [--inquire] SET|GET|DELETE|LIST [<attribute>] element[<TAB>child[..]] ..\n"
4770 "@item ATTR SET attribute element[<TAB>child[..]] [value]\n"
4771 " Stores or updates an @var{attribute} name and optional @var{value} of an "
4772 "element. When no @var{value} is specified any existing value will be removed."
4774 "@item ATTR DELETE attribute element[<TAB>child[..]]\n"
4775 " Removes an attribute from an element. If @var{attribute} is @code{_name} "
4776 "or @code{target} an error is returned. Use the @command{DELETE} command "
4777 "(@pxref{DELETE}) instead."
4779 "@item ATTR LIST element[<TAB>child[..]]\n"
4780 " Retrieves a newline separated list of attributes names and values "
4781 "from the specified element. Each attribute name and value is space delimited."
4783 "@item ATTR GET attribute element[<TAB>child[..]]\n"
4784 " Retrieves the value of an @var{attribute} from an element."
4787 "When the @option{--inquire} option is passed then all remaining non-option "
4788 "arguments are retrieved via a server @emph{INQUIRE}."
4790 "@xref{Target Attribute}, for details about this special attribute and also "
4791 "@pxref{Other Attributes} for other attributes that are handled specially "
4792 "by @command{pwmd}."
4795 new_command("XPATH", 0, 1, 0, xpath_command
, _(
4796 "XPATH [--inquire] <expression>[<TAB>[value]]\n"
4797 "Evaluates an XPath @var{expression}. If no @var{value} argument is "
4798 "specified it is assumed the expression is a request to return a result. "
4799 "Otherwise, the result is set to the @var{value} argument and the document is "
4800 "updated. If there is no @var{value} after the @key{TAB} character, the value "
4801 "is assumed to be empty and the document is updated. For example:"
4804 "XPATH //element[@@_name='password']@key{TAB}\n"
4807 "would clear the content of all @var{password} elements in the data file "
4808 "while leaving off the trailing @key{TAB} would return all @var{password} "
4809 "elements in @abbr{XML} format."
4811 "When the @option{--inquire} option is passed then all remaining non-option "
4812 "arguments are retrieved via a server @emph{INQUIRE}."
4814 "See @url{http://www.w3schools.com/xpath/xpath_syntax.asp} for @abbr{XPATH} "
4815 "expression syntax."
4818 new_command("XPATHATTR", 0, 1, 0, xpathattr_command
, _(
4819 "XPATHATTR [--inquire] SET|DELETE <name> <expression>[<TAB>[<value>]]\n"
4820 "Like the @code{XPATH} command (@pxref{XPATH}) but operates on element "
4821 "attributes and does not return a result. For the @var{SET} operation the "
4822 "@var{value} is optional but the field is required. If not specified then "
4823 "the attribute value will be empty. For example:"
4826 "XPATHATTR SET password //element[@@_name='password']@key{TAB}\n"
4829 "would create a @var{password} attribute for each @var{password} element "
4830 "found in the document. The attribute value will be empty but still exist."
4832 "When the @option{--inquire} option is passed then all remaining non-option "
4833 "arguments are retrieved via a server @emph{INQUIRE}."
4835 "See @url{http://www.w3schools.com/xpath/xpath_syntax.asp} for @abbr{XPATH} "
4836 "expression syntax."
4839 new_command("IMPORT", 0, 1, 0, import_command
, _(
4840 "IMPORT [--root=element[<TAB>child[..]]]\n"
4841 "This command uses a server @emph{INQUIRE} to retrieve data from the client."
4843 "Like the @code{STORE} command (@pxref{STORE}), but the @var{content} "
4844 "argument is raw @abbr{XML} data. The content is created as a child of "
4845 "the element path specified with the @option{--root} option or at the "
4846 "document root when not specified. Existing elements of the same name will "
4849 "The content must begin with an @abbr{XML} element node. @xref{Introduction}, "
4853 new_command("DUMP", 0, 1, 0, dump_command
, _(
4855 "Shows the in memory @abbr{XML} document with indenting. @xref{XPATH}, for "
4856 "dumping a specific node."
4859 new_command("LOCK", 0, 0, 0, lock_command
, _(
4861 "Locks the mutex associated with the opened file. This prevents other clients "
4862 "from sending commands to the same opened file until the client "
4863 "that sent this command either disconnects or sends the @code{UNLOCK} "
4864 "command. @xref{UNLOCK}."
4867 new_command("UNLOCK", 1, 0, 0, unlock_command
, _(
4869 "Unlocks the file mutex which was locked with the @code{LOCK} command or "
4870 "a commands' @option{--lock} option (@pxref{LOCK}, @pxref{OPEN}, "
4871 "@pxref{ISCACHED})."
4874 new_command("GETCONFIG", 1, 1, 0, getconfig_command
, _(
4875 "GETCONFIG [filename] <parameter>\n"
4876 "Returns the value of a @command{pwmd} configuration @var{parameter} with a "
4877 "data response. If no file has been opened then the value for @var{filename} "
4878 "or the default from the @var{global} section will be returned. If a file "
4879 "has been opened and no @var{filename} is specified, the value previously "
4880 "set with the @code{OPTION} command (@pxref{OPTION}) will be returned."
4883 new_command("OPTION", 1, 1, 0, option_command
, _(
4884 "OPTION <NAME>=[<VALUE>]\n"
4885 "Sets a client option @var{name} to @var{value}. The value for an option is "
4886 "kept for the duration of the connection with the exception of the "
4887 "@command{pinentry} options which are defaults for all future connections "
4888 "(@pxref{Pinentry}). When @var{value} is empty the option is unset."
4891 "@item DISABLE-PINENTRY\n"
4892 "Disable use of @command{pinentry} for passphrase retrieval. When @code{1}, a "
4893 "server inquire is sent to the client to obtain the passphrase. This option "
4894 "may be set as needed before the @code{OPEN} (@pxref{OPEN}), @code{PASSWD} "
4895 "(@pxref{PASSWD}) and @code{SAVE} (@pxref{SAVE}) commands. Set to @code{0} "
4896 "to use a @command{pinentry}."
4899 "Set or unset the X11 display to use when prompting for a passphrase."
4902 "Set the terminal device path to use when prompting for a passphrase."
4905 "Set the terminal type for use with @option{TTYNAME}."
4908 "Associates the thread ID of the connection with the specified textual "
4909 "representation. Useful for debugging log messages. May not contain whitespace."
4911 "@item LOCK-TIMEOUT\n"
4912 "When not @code{0}, the duration in tenths of a second to wait for the file "
4913 "mutex which has been locked by another thread to be released before returning "
4914 "an error. When @code{-1} the error will be returned immediately."
4916 "@item CLIENT-STATE\n"
4917 "When set to @code{1} then client state status messages for other clients are "
4918 "sent to the current client. The default is @code{0}."
4922 new_command("LS", 1, 1, 0, ls_command
, _(
4924 "Returns a newline separated list of data files stored in the data directory "
4925 "@file{HOMEDIR/data} (@pxref{Invoking}) with a data response."
4928 new_command("RESET", 1, 1, 0, NULL
, _(
4930 "Closes the currently opened file but keeps any previously set client options "
4934 new_command("NOP", 1, 1, 0, NULL
, _(
4936 "Does nothing. Always returns successfully."
4939 /* !END-HELP-TEXT! */
4940 new_command ("CANCEL", 1, 1, 0, NULL
, NULL
);
4941 new_command ("END", 1, 1, 0, NULL
, NULL
);
4942 new_command ("BYE", 1, 1, 0, NULL
, NULL
);
4945 for (i
= 0; command_table
[i
]; i
++);
4946 qsort (command_table
, i
- 1, sizeof (struct command_table_s
*),
4951 register_commands (assuan_context_t ctx
)
4955 for (; command_table
[i
]; i
++)
4957 if (!command_table
[i
]->handler
)
4960 rc
= assuan_register_command (ctx
, command_table
[i
]->name
,
4961 command_table
[i
]->handler
,
4962 command_table
[i
]->help
);
4967 rc
= assuan_register_bye_notify (ctx
, bye_notify
);
4971 rc
= assuan_register_reset_notify (ctx
, reset_notify
);
4975 rc
= assuan_register_pre_cmd_notify (ctx
, command_startup
);
4979 return assuan_register_post_cmd_notify (ctx
, command_finalize
);