1 /* vim:tw=78:ts=8:sw=4:set ft=c: */
3 Copyright (C) 2006-2009 Ben Kibbey <bjk@luxsci.net>
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02110-1301 USA
24 #include <sys/types.h>
44 #include "pwmd_error.h"
57 static void *z_alloc(void *data
, unsigned items
, unsigned size
)
59 return gcry_calloc(items
, size
);
62 static void z_free(void *data
, void *p
)
67 static gpg_error_t
file_modified(struct client_s
*client
)
72 if (client
->state
!= STATE_OPEN
)
75 rc
= lock_file_mutex(client
);
80 if (lstat(client
->filename
, &st
) == 0 && client
->mtime
) {
81 if (client
->mtime
!= st
.st_mtime
)
82 return EPWMD_FILE_MODIFIED
;
89 static gpg_error_t
parse_xml(assuan_context_t ctx
)
91 struct client_s
*client
= assuan_get_pointer(ctx
);
93 client
->doc
= xmlReadMemory(client
->xml
, client
->len
, NULL
, "UTF-8", XML_PARSE_NOBLANKS
);
96 return EPWMD_LIBXML_ERROR
;
101 void unlock_file_mutex(struct client_s
*client
)
106 if (client
->has_lock
== FALSE
|| client
->pinentry
->status
!= PINENTRY_NONE
)
108 if (client
->has_lock
== FALSE
)
112 CACHE_LOCK(client
->ctx
);
114 if (cache_get_mutex(client
->md5file
, &m
) == FALSE
) {
121 client
->has_lock
= client
->is_lock_cmd
= FALSE
;
124 gpg_error_t
lock_file_mutex(struct client_s
*client
)
129 if (client
->has_lock
== TRUE
)
132 CACHE_LOCK(client
->ctx
);
134 if (cache_get_mutex(client
->md5file
, &m
) == FALSE
) {
140 MUTEX_TRYLOCK(client
->ctx
, m
, rc
);
143 client
->has_lock
= TRUE
;
148 void free_client(struct client_s
*client
)
151 xmlFreeDoc(client
->doc
);
154 gcry_free(client
->xml
);
156 if (client
->filename
)
157 g_free(client
->filename
);
160 cleanup_crypto(&client
->crypto
);
162 if (client
->xml_error
)
163 xmlResetError(client
->xml_error
);
166 void cleanup_client(struct client_s
*client
)
168 assuan_context_t ctx
= client
->ctx
;
169 struct client_thread_s
*thd
= client
->thd
;
170 gboolean has_lock
= client
->has_lock
;
172 struct pinentry_s
*pin
= client
->pinentry
;
175 unlock_file_mutex(client
);
176 CACHE_LOCK(client
->ctx
);
177 cache_decr_refcount(client
->md5file
);
180 * This may be a new file so don't use a cache slot. save_command() will
181 * set this to FALSE on success.
183 if (client
->new == TRUE
)
184 cache_clear(client
->md5file
, 1);
188 memset(client
, 0, sizeof(struct client_s
));
189 client
->state
= STATE_CONNECTED
;
192 client
->freed
= TRUE
;
194 client
->pinentry
= pin
;
196 client
->has_lock
= has_lock
;
199 static void gz_cleanup(void *arg
)
201 struct gz_s
**gz
= (struct gz_s
**)arg
;
206 if (!(*gz
)->done
&& (*gz
)->out
)
207 gcry_free((*gz
)->out
);
210 if ((*gz
)->which
== STATUS_COMPRESS
) {
212 deflateEnd(&(*gz
)->z
);
216 inflateEnd(&(*gz
)->z
);
223 gboolean
do_decompress(assuan_context_t ctx
, gpointer in
, gulong insize
,
224 gpointer
*out
, gulong
*outsize
, gint
*rc
)
230 gz
= g_malloc0(sizeof(struct gz_s
));
233 *rc
= gpg_error_from_errno(ENOMEM
);
237 gz
->which
= STATUS_DECOMPRESS
;
238 gz
->z
.zalloc
= z_alloc
;
239 gz
->z
.zfree
= z_free
;
241 gz
->z
.avail_in
= (uInt
)insize
;
242 gz
->z
.avail_out
= zlib_bufsize
;
243 gz
->z
.next_out
= gz
->out
= gcry_malloc(zlib_bufsize
);
246 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, strerror(ENOMEM
));
252 *rc
= inflateInit2(&gz
->z
, 47);
255 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
260 memset(&h
, 0, sizeof(gz_header
));
261 h
.comment
= (guchar
*)buf
;
262 h
.comm_max
= sizeof(buf
);
263 *rc
= inflateGetHeader(&gz
->z
, &h
);
266 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
271 *rc
= inflate(&gz
->z
, Z_BLOCK
);
274 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
280 insize
= (gulong
)strtol((gchar
*)h
.comment
, NULL
, 10);
285 *rc
= inflate(&gz
->z
, Z_FINISH
);
291 if (!gz
->z
.avail_out
) {
292 p
= gcry_realloc(gz
->out
, gz
->z
.total_out
+ zlib_bufsize
);
295 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
301 gz
->z
.next_out
= gz
->out
+ gz
->z
.total_out
;
302 gz
->z
.avail_out
= zlib_bufsize
;
303 *rc
= send_status(ctx
, STATUS_DECOMPRESS
, "%li %li",
304 gz
->z
.total_out
, insize
);
316 } while (*rc
!= Z_STREAM_END
);
319 *rc
= send_status(ctx
, STATUS_DECOMPRESS
, "%li %li", gz
->z
.total_out
,
327 *outsize
= gz
->z
.total_out
;
334 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
339 file_header_internal_t
*read_file_header(const gchar
*filename
, gboolean v1
,
344 file_header_internal_t
*fh
= g_malloc0(sizeof(file_header_internal_t
));
350 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
351 *rc
= gpg_error_from_errno(ENOMEM
);
355 fh_size
= v1
? sizeof(fh
->fh1
) : sizeof(fh
->fh2
);
357 if (lstat(filename
, &fh
->st
) == -1) {
358 *rc
= gpg_error_from_syserror();
363 if (!S_ISREG(fh
->st
.st_mode
)) {
364 *rc
= GPG_ERR_ENOANO
;
369 fd
= open(filename
, O_RDONLY
);
372 *rc
= gpg_error_from_errno(errno
);
378 len
= pth_read(fd
, &fh
->fh1
, fh_size
);
380 len
= pth_read(fd
, &fh
->fh2
, fh_size
);
382 if (len
!= fh_size
) {
386 *rc
= gpg_error_from_errno(n
);
395 static gpg_error_t
open_command_finalize(assuan_context_t ctx
, guchar
*key
,
398 struct client_s
*client
= assuan_get_pointer(ctx
);
403 if (!client
->crypto
->fh
) {
410 rc
= try_xml_decrypt(ctx
, key
, client
->crypto
, NULL
, NULL
);
413 cleanup_client(client
);
414 return send_error(ctx
, rc
);
418 CACHE_LOCK(client
->ctx
);
420 if (cached
== FALSE
) {
421 if (cache_update_key(client
->md5file
, key
) == FALSE
) {
422 cleanup_client(client
);
424 return send_syserror(ctx
, ENOMEM
);
427 timeout
= get_key_file_integer(client
->filename
, "cache_timeout");
428 cache_reset_timeout(client
->md5file
, timeout
);
431 cache_set_timeout(client
->md5file
, -2);
439 gcry_free(client
->xml
);
444 if (client
->new == FALSE
)
445 send_status_all(STATUS_CACHE
);
447 client
->state
= STATE_OPEN
;
450 if (!rc
&& client
->new == FALSE
&&
451 client
->crypto
->fh
->fh2
.iter
!= (guint64
)get_key_file_integer(client
->filename
, "iterations")) {
452 MUTEX_LOCK(&rcfile_mutex
);
453 g_key_file_set_integer(keyfileh
, client
->filename
, "iterations",
454 client
->crypto
->fh
->fh2
.iter
);
455 MUTEX_UNLOCK(&rcfile_mutex
);
456 send_status_all(STATUS_CONFIG
);
460 log_write("OPEN '%s'", client
->filename
);
462 cleanup_crypto(&client
->crypto
);
463 return send_error(ctx
, rc
);
466 static void req_cleanup(void *arg
)
471 g_strfreev((gchar
**)arg
);
474 static int open_command(assuan_context_t ctx
, char *line
)
476 gboolean cached
= FALSE
;
478 struct client_s
*client
= assuan_get_pointer(ctx
);
480 gchar
*filename
= NULL
;
482 if ((req
= split_input_line(line
, " ", 2)) != NULL
)
485 if (!filename
|| !*filename
) {
487 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
490 if (valid_filename(filename
) == FALSE
) {
492 return send_error(ctx
, EPWMD_INVALID_FILENAME
);
495 if (client
->state
== STATE_OPEN
)
496 cleanup_client(client
);
498 gcry_md_hash_buffer(GCRY_MD_MD5
, client
->md5file
, filename
, strlen(filename
));
499 CACHE_LOCK(client
->ctx
);
501 if (cache_has_file(client
->md5file
) == FALSE
) {
502 if (cache_add_file(client
->md5file
, NULL
) == FALSE
) {
505 return send_syserror(ctx
, ENOMEM
);
509 cache_incr_refcount(client
->md5file
);
511 rc
= lock_file_mutex(client
);
515 return send_error(ctx
, rc
);
518 client
->freed
= FALSE
;
519 client
->crypto
= init_client_crypto();
521 if (!client
->crypto
) {
523 cleanup_client(client
);
524 return send_syserror(ctx
, ENOMEM
);
527 client
->crypto
->key
= gcry_malloc(gcrykeysize
);
529 if (!client
->crypto
->key
) {
531 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
,
532 gpg_error_from_errno(ENOMEM
));
533 cleanup_client(client
);
534 return send_syserror(ctx
, ENOMEM
);
537 memset(client
->crypto
->key
, 0, gcrykeysize
);
538 client
->crypto
->fh
= read_file_header(filename
, FALSE
, &rc
);
541 if (!client
->crypto
->fh
) {
542 if (gpg_err_code_to_errno(rc
) != ENOENT
) {
543 log_write("%s: %s", filename
, pwmd_strerror(rc
));
545 cleanup_client(client
);
546 return send_error(ctx
, rc
);
550 * New files don't need a key.
552 if ((client
->xml
= new_document()) == NULL
) {
553 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
555 cleanup_client(client
);
556 return send_syserror(ctx
, ENOMEM
);
559 client
->len
= xmlStrlen(client
->xml
);
561 client
->filename
= g_strdup(filename
);
563 if (!client
->filename
) {
565 cleanup_client(client
);
566 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
567 return send_syserror(ctx
, ENOMEM
);
570 if (req
[1] && *req
[1])
571 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, req
[1],
576 client
->pinentry
->filename
= g_strdup(client
->filename
);
578 if (!client
->pinentry
->filename
) {
579 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
580 cleanup_client(client
);
581 return send_syserror(ctx
, ENOMEM
);
584 return open_command_finalize(ctx
, client
->crypto
->key
, cached
);
587 client
->mtime
= client
->crypto
->fh
->st
.st_mtime
;
589 client
->filename
= g_strdup(filename
);
591 if (!client
->filename
) {
592 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
594 cleanup_client(client
);
595 return send_syserror(ctx
, ENOMEM
);
599 client
->pinentry
->filename
= g_strdup(client
->filename
);
601 if (!client
->pinentry
->filename
) {
602 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
604 cleanup_client(client
);
605 return send_syserror(ctx
, ENOMEM
);
609 if (client
->crypto
->fh
->fh2
.iter
<= 0)
612 CACHE_LOCK(client
->ctx
);
613 cached
= cache_get_key(client
->md5file
, client
->crypto
->key
);
616 if (cached
== FALSE
) {
617 gchar
*tmp
= get_key_file_string(filename
, "key_file");
621 cleanup_client(client
);
622 return send_error(ctx
, GPG_ERR_WRONG_KEY_USAGE
);
626 * No key specified and no matching filename found in the cache. Use
627 * pinentry to retrieve the key. Cannot return assuan_process_done()
628 * here otherwise the command will be interrupted. The event loop in
629 * client_thread() will poll the file descriptor waiting for it to
630 * become ready to read a pinentry_key_s which will contain the
631 * entered key or an error code. It will then call
632 * open_command_finalize() to to finish the command.
634 if (!req
[1] || !*req
[1]) {
636 gboolean b
= get_key_file_boolean(filename
, "enable_pinentry");
638 /* From set_pinentry_defaults(). */
639 if (client
->pinentry
->enable
== FALSE
||
640 (client
->pinentry
->enable
== -1 && b
== FALSE
)) {
641 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, "", 1);
646 rc
= lock_pin_mutex(client
);
649 unlock_pin_mutex(client
->pinentry
);
650 cleanup_client(client
);
651 return send_error(ctx
, rc
);
654 client
->pinentry
->which
= PINENTRY_OPEN
;
655 rc
= pinentry_fork(ctx
);
658 unlock_pin_mutex(client
->pinentry
);
659 cleanup_client(client
);
660 return send_error(ctx
, rc
);
663 // Called from pinentry iterate.
664 client
->pinentry
->cb
= open_command_finalize
;
665 client
->pinentry
->status
= PINENTRY_INIT
;
668 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, "", 1);
673 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, req
[1],
679 return open_command_finalize(ctx
, client
->crypto
->key
, cached
);
682 gboolean
do_compress(assuan_context_t ctx
, gint level
, gpointer data
,
683 gulong size
, gpointer
*out
, gulong
*outsize
, gint
*rc
)
688 gint cmd
= Z_NO_FLUSH
;
690 gz
= g_malloc0(sizeof(struct gz_s
));
693 *rc
= gpg_error_from_errno(ENOMEM
);
697 gz
->which
= STATUS_COMPRESS
;
698 gz
->z
.zalloc
= z_alloc
;
699 gz
->z
.zfree
= z_free
;
700 gz
->z
.next_in
= data
;
701 gz
->z
.avail_in
= size
< zlib_bufsize
? (uInt
)size
: (uInt
)zlib_bufsize
;
702 gz
->z
.avail_out
= (uInt
)zlib_bufsize
;
703 gz
->z
.next_out
= gz
->out
= gcry_malloc(zlib_bufsize
);
706 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, strerror(ENOMEM
));
712 *rc
= deflateInit2(&gz
->z
, level
, Z_DEFLATED
, 31, 8, Z_DEFAULT_STRATEGY
);
715 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
720 /* Rather than store the size of the uncompressed data in the file header,
721 * store it in the comment field of the gzip header. Don't give anyone too
722 * much information. Not sure why really, but it seems the right way. :)
724 memset(&h
, 0, sizeof(gz_header
));
725 g_snprintf(buf
, sizeof(buf
), "%li", size
);
726 h
.comment
= (guchar
*)buf
;
727 *rc
= deflateSetHeader(&gz
->z
, &h
);
730 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
738 *rc
= deflate(&gz
->z
, cmd
);
744 if (!gz
->z
.avail_out
) {
745 p
= gcry_realloc(gz
->out
, gz
->z
.total_out
+ zlib_bufsize
);
748 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
754 gz
->z
.next_out
= gz
->out
+ gz
->z
.total_out
;
755 gz
->z
.avail_out
= zlib_bufsize
;
758 if (!gz
->z
.avail_in
&& gz
->z
.total_in
< size
) {
759 if (gz
->z
.total_in
+ zlib_bufsize
> size
)
760 gz
->z
.avail_in
= size
- gz
->z
.total_in
;
762 gz
->z
.avail_in
= zlib_bufsize
;
764 *rc
= send_status(ctx
, STATUS_COMPRESS
, "%li %li",
765 gz
->z
.total_in
, size
);
771 if (gz
->z
.total_in
>= size
)
780 } while (*rc
!= Z_STREAM_END
);
783 *rc
= send_status(ctx
, STATUS_COMPRESS
, "%li %li", gz
->z
.total_in
, size
);
790 *outsize
= gz
->z
.total_out
;
797 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, gz
->z
.msg
);
802 #define CRYPTO_BLOCKSIZE (gcryblocksize * 1024)
804 static gpg_error_t
iterate_crypto_once(struct client_s
*client
,
805 struct client_crypto_s
*crypto
, status_msg_t which
)
808 goffset len
= CRYPTO_BLOCKSIZE
;
809 gpointer p
= gcry_malloc(len
);
814 return gpg_err_code_from_errno(ENOMEM
);
816 if (crypto
->insize
< CRYPTO_BLOCKSIZE
)
817 len
= crypto
->insize
;
820 inbuf
= crypto
->inbuf
+ total
;
823 if (len
+ total
> crypto
->insize
)
826 if (which
== STATUS_ENCRYPT
)
827 rc
= gcry_cipher_encrypt(crypto
->gh
, p
, len
, inbuf
, len
);
829 rc
= gcry_cipher_decrypt(crypto
->gh
, p
, len
, inbuf
, len
);
834 tmp
= crypto
->inbuf
+total
;
835 memmove(tmp
, p
, len
);
838 if (total
>= crypto
->insize
)
849 /* The crypto struct must be setup for iterations and .key. */
850 gpg_error_t
do_xml_encrypt(struct client_s
*client
,
851 struct client_crypto_s
*crypto
, const gchar
*filename
)
853 goffset len
= crypto
->insize
;
857 guint64 iter_progress
= 0, n_iter
= 0, xiter
= 0;
858 gchar tmp
[FILENAME_MAX
];
862 if (!crypto
->fh
->fh2
.iter
) {
864 * cache_file_count() needs both .used == TRUE and a valid key in
865 * order for it to count as a used cache entry. Fixes CACHE status
868 memset(crypto
->key
, '!', gcrykeysize
);
873 * Resize the existing xml buffer to the block size required by gcrypt
874 * rather than duplicating it and wasting memory.
876 if (crypto
->insize
/ gcryblocksize
) {
877 len
= (crypto
->insize
/ gcryblocksize
) * gcryblocksize
;
879 if (crypto
->insize
% gcryblocksize
)
880 len
+= gcryblocksize
;
883 inbuf
= gcry_realloc(crypto
->inbuf
, len
);
886 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
887 return gpg_error_from_errno(ENOMEM
);
890 crypto
->inbuf
= inbuf
;
891 crypto
->insize
= len
;
892 gcry_create_nonce(crypto
->fh
->fh2
.iv
, sizeof(crypto
->fh
->fh2
.iv
));
893 crypto
->tkey
= gcry_malloc(gcrykeysize
);
896 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
897 return gpg_error_from_errno(ENOMEM
);
900 memcpy(crypto
->tkey
, crypto
->key
, gcrykeysize
);
901 guchar
*tkey
= crypto
->tkey
;
904 if ((rc
= gcry_cipher_setkey(crypto
->gh
, crypto
->tkey
, gcrykeysize
))) {
905 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
909 iter_progress
= (guint64
)get_key_file_integer(
910 client
? client
->filename
: "global", "iteration_progress");
912 if (iter_progress
&& crypto
->fh
->fh2
.iter
>= iter_progress
) {
913 rc
= send_status(client
? client
->ctx
: NULL
, STATUS_ENCRYPT
,
914 "0 %llu", crypto
->fh
->fh2
.iter
);
921 while (xiter
< crypto
->fh
->fh2
.iter
-1) {
922 if (iter_progress
> 0 && xiter
>= iter_progress
) {
923 if (!(xiter
% iter_progress
)) {
924 rc
= send_status(client
? client
->ctx
: NULL
, STATUS_ENCRYPT
,
925 "%llu %llu", ++n_iter
* iter_progress
,
926 crypto
->fh
->fh2
.iter
);
934 if ((rc
= gcry_cipher_setiv(crypto
->gh
, crypto
->fh
->fh2
.iv
,
935 sizeof(crypto
->fh
->fh2
.iv
)))) {
936 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
940 rc
= iterate_crypto_once(client
, crypto
, STATUS_ENCRYPT
);
943 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
950 if ((rc
= gcry_cipher_setiv(crypto
->gh
, crypto
->fh
->fh2
.iv
,
951 sizeof(crypto
->fh
->fh2
.iv
)))) {
952 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
956 if ((rc
= gcry_cipher_setkey(crypto
->gh
, crypto
->key
, gcrykeysize
))) {
957 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
961 rc
= iterate_crypto_once(client
, crypto
, STATUS_ENCRYPT
);
966 if (iter_progress
&& crypto
->fh
->fh2
.iter
>= iter_progress
) {
967 rc
= send_status(client
? client
->ctx
: NULL
, STATUS_ENCRYPT
,
968 "%llu %llu", crypto
->fh
->fh2
.iter
, crypto
->fh
->fh2
.iter
);
977 if (!client
&& !strcmp(filename
, "-")) {
978 crypto
->fh
->fd
= STDOUT_FILENO
;
982 if (lstat(filename
, &st
) == 0) {
984 mode
= st
.st_mode
& (S_IRWXU
|S_IRWXG
|S_IRWXO
);
987 * FIXME What if the file has an ACL?
989 if (!(mode
& S_IWUSR
))
990 return gpg_error_from_errno(EACCES
);
995 return gpg_error_from_errno(errno
);
998 g_snprintf(tmp
, sizeof(tmp
), "%s.XXXXXX", filename
);
999 crypto
->fh
->fd
= mkstemp(tmp
);
1001 if (crypto
->fh
->fd
== -1) {
1003 p
= strrchr(tmp
, '/');
1005 log_write("%s: %s", p
, strerror(rc
));
1006 return gpg_error_from_errno(rc
);
1011 * xml_import() or convert_file() from command line.
1013 crypto
->fh
->fd
= STDOUT_FILENO
;
1016 crypto
->fh
->fh2
.magic
[0] = '\177';
1017 crypto
->fh
->fh2
.magic
[1] = 'P';
1018 crypto
->fh
->fh2
.magic
[2] = 'W';
1019 crypto
->fh
->fh2
.magic
[3] = 'M';
1020 crypto
->fh
->fh2
.magic
[4] = 'D';
1021 crypto
->fh
->fh2
.version
= VERSION_HEX
;
1022 len
= pth_write(crypto
->fh
->fd
, &crypto
->fh
->fh2
, sizeof(crypto
->fh
->fh2
));
1025 if (len
!= sizeof(crypto
->fh
->fh2
)) {
1028 if (filename
&& strcmp(filename
, "-"))
1031 return gpg_error_from_errno(len
);
1034 len
= pth_write(crypto
->fh
->fd
, crypto
->inbuf
, crypto
->insize
);
1037 if (len
!= crypto
->insize
) {
1041 if (filename
&& strcmp(filename
, "-")) {
1046 return gpg_error_from_errno(len
);
1049 if (fsync(crypto
->fh
->fd
) == -1) {
1053 if (filename
&& strcmp(filename
, "-"))
1056 return gpg_error_from_errno(len
);
1059 if (filename
&& strcmp(filename
, "-")) {
1060 if (mode
&& get_key_file_boolean(filename
, "backup") == TRUE
) {
1061 gchar tmp2
[FILENAME_MAX
];
1063 g_snprintf(tmp2
, sizeof(tmp2
), "%s.backup", filename
);
1065 if (rename(filename
, tmp2
) == -1) {
1069 return gpg_error_from_errno(len
);
1073 if (rename(tmp
, filename
) == -1) {
1077 return gpg_error_from_errno(len
);
1081 chmod(filename
, mode
);
1086 if (client
&& lstat(filename
, &st
) == 0)
1087 client
->mtime
= st
.st_mtime
;
1093 static gpg_error_t
save_command_finalize(assuan_context_t ctx
, guchar
*key
,
1096 struct client_s
*client
= assuan_get_pointer(ctx
);
1098 gulong len
, outsize
= 0;
1105 if (client
->crypto
->key
&& client
->crypto
->key
!= key
)
1106 gcry_free(client
->crypto
->key
);
1108 client
->crypto
->key
= key
;
1109 xmlDocDumpFormatMemory(client
->doc
, (xmlChar
**)&xmlbuf
, (gint
*)&len
, 0);
1110 iter
= (guint
)get_key_file_integer(client
->filename
, "compression_level");
1115 if (do_compress(ctx
, (gint
)iter
, xmlbuf
, len
, &outbuf
, &outsize
, &zrc
)
1118 cleanup_crypto(&client
->crypto
);
1120 if (zrc
== Z_MEM_ERROR
)
1121 return send_syserror(ctx
, ENOMEM
);
1123 return send_error(ctx
, GPG_ERR_COMPR_ALGO
);
1131 client
->crypto
->fh
= g_malloc0(sizeof(file_header_internal_t
));
1133 if (!client
->crypto
->fh
) {
1134 cleanup_crypto(&client
->crypto
);
1136 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1137 return send_syserror(ctx
, ENOMEM
);
1140 iter
= get_key_file_integer(client
->filename
, "iterations");
1141 client
->crypto
->fh
->fh2
.iter
= iter
< 0 ? 0 : iter
;
1142 client
->crypto
->inbuf
= xmlbuf
;
1143 client
->crypto
->insize
= len
;
1144 rc
= do_xml_encrypt(client
, client
->crypto
, client
->filename
);
1147 cleanup_crypto(&client
->crypto
);
1148 return send_error(ctx
, rc
);
1151 timeout
= get_key_file_integer(client
->filename
, "cache_timeout");
1152 CACHE_LOCK(client
->ctx
);
1155 cache_reset_timeout(client
->md5file
, timeout
);
1158 if (client
->new == TRUE
)
1159 send_status_all(STATUS_CACHE
);
1161 client
->new = FALSE
;
1162 cleanup_crypto(&client
->crypto
);
1163 return send_error(ctx
, 0);
1166 if (cache_update_key(client
->md5file
, client
->crypto
->key
) == FALSE
) {
1168 cleanup_crypto(&client
->crypto
);
1169 return send_syserror(ctx
, ENOMEM
);
1172 client
->new = FALSE
;
1173 cache_reset_timeout(client
->md5file
, timeout
);
1175 send_status_all(STATUS_CACHE
);
1176 cleanup_crypto(&client
->crypto
);
1177 return send_error(ctx
, 0);
1180 static int save_command(assuan_context_t ctx
, char *line
)
1182 gboolean cached
= FALSE
;
1184 struct client_s
*client
= assuan_get_pointer(ctx
);
1187 rc
= lock_file_mutex(client
);
1190 return send_error(ctx
, rc
);
1192 rc
= file_modified(client
);
1195 return send_error(ctx
, rc
);
1197 if (lstat(client
->filename
, &st
) == -1 && errno
!= ENOENT
)
1198 return send_syserror(ctx
, errno
);
1200 if (errno
!= ENOENT
&& !S_ISREG(st
.st_mode
)) {
1201 log_write("%s: %s", client
->filename
, pwmd_strerror(GPG_ERR_ENOANO
));
1202 return send_error(ctx
, GPG_ERR_ENOANO
);
1206 cached
= cache_iscached(client
->md5file
);
1210 * If a cache entry doesn't exist for this file and the file has a
1211 * "key_file" or "key" parameter, then it's an error. The reason is that
1212 * cache expiration would be useless.
1214 if (cached
== FALSE
) {
1215 gchar
*tmp
= get_key_file_string(client
->filename
, "key_file");
1219 return send_error(ctx
, GPG_ERR_WRONG_KEY_USAGE
);
1224 client
->crypto
= init_client_crypto();
1226 if (!client
->crypto
) {
1227 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1228 return send_syserror(ctx
, ENOMEM
);
1231 client
->crypto
->key
= gcry_malloc(gcrykeysize
);
1233 if (!client
->crypto
->key
) {
1234 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1235 cleanup_crypto(&client
->crypto
);
1236 return send_syserror(ctx
, ENOMEM
);
1239 memset(client
->crypto
->key
, '!', gcrykeysize
);
1241 if (get_key_file_integer(client
->filename
, "iterations") <= 0)
1244 if (!line
|| !*line
) {
1245 client
->crypto
->tkey
= gcry_malloc(gcrykeysize
);
1247 if (!client
->crypto
->tkey
) {
1248 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1249 cleanup_crypto(&client
->crypto
);
1250 return send_syserror(ctx
, ENOMEM
);
1253 memset(client
->crypto
->tkey
, '!', gcrykeysize
);
1256 if (cache_get_key(client
->md5file
, client
->crypto
->key
) == FALSE
||
1257 memcmp(client
->crypto
->key
, client
->crypto
->tkey
,
1258 gcrykeysize
) == 0) {
1261 #ifdef WITH_PINENTRY
1262 if (client
->pinentry
->enable
== FALSE
||
1263 get_key_file_boolean(client
->filename
, "enable_pinentry") == FALSE
) {
1264 /* Empty keys are allowed. */
1265 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, "", 1);
1269 lock_pin_mutex(client
);
1270 client
->pinentry
->which
= PINENTRY_SAVE
;
1271 rc
= pinentry_fork(ctx
);
1274 unlock_pin_mutex(client
->pinentry
);
1275 return send_error(ctx
, rc
);
1278 client
->pinentry
->cb
= save_command_finalize
;
1279 client
->pinentry
->status
= PINENTRY_INIT
;
1282 /* Empty keys are allowed. */
1283 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, "", 1);
1293 gcry_md_hash_buffer(GCRY_MD_SHA256
, client
->crypto
->key
, line
,
1295 memset(line
, 0, strlen(line
));
1299 return save_command_finalize(ctx
, client
->crypto
->key
, cached
);
1302 static int delete_command(assuan_context_t ctx
, char *line
)
1304 struct client_s
*client
= assuan_get_pointer(ctx
);
1309 rc
= file_modified(client
);
1312 return send_error(ctx
, rc
);
1314 if (strchr(line
, '\t'))
1315 req
= split_input_line(line
, "\t", -1);
1317 req
= split_input_line(line
, " ", -1);
1320 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
1322 n
= find_account(client
->doc
, &req
, &rc
, NULL
, 0);
1326 return send_error(ctx
, rc
);
1330 * No sub-node defined. Remove the entire node (account).
1339 return send_error(ctx
, 0);
1342 n
= find_elements(client
->doc
, n
->children
, req
+1, &rc
, NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
1346 return send_error(ctx
, rc
);
1353 return send_error(ctx
, 0);
1357 * Don't return with assuan_process_done() here. This has been called from
1358 * assuan_process_next() and the command should be finished in
1361 static int store_command_finalize(gpointer data
, gint assuan_rc
, guchar
*line
,
1364 assuan_context_t ctx
= data
;
1365 struct client_s
*client
= assuan_get_pointer(ctx
);
1368 gpg_error_t rc
= file_modified(client
);
1370 if (assuan_rc
|| rc
) {
1373 return assuan_rc
? assuan_rc
: rc
;
1376 req
= split_input_line((gchar
*)line
, "\t", 0);
1380 return EPWMD_COMMAND_SYNTAX
;
1382 if (valid_xml_element((xmlChar
*)*req
) == FALSE
) {
1384 return EPWMD_INVALID_ELEMENT
;
1387 if (valid_element_path(req
+1, TRUE
) == FALSE
) {
1389 return EPWMD_INVALID_ELEMENT
;
1393 n
= find_account(client
->doc
, &req
, &rc
, NULL
, 0);
1395 if (rc
&& rc
== EPWMD_ELEMENT_NOT_FOUND
) {
1396 rc
= new_account(client
->doc
, *req
);
1413 create_elements_cb(n
, req
+1, &rc
, NULL
);
1415 find_elements(client
->doc
, n
->children
, req
+1, &rc
,
1416 NULL
, NULL
, create_elements_cb
, FALSE
, 0, NULL
);
1420 client
->inquire_status
= INQUIRE_DONE
;
1424 static int store_command(assuan_context_t ctx
, char *line
)
1426 struct client_s
*client
= assuan_get_pointer(ctx
);
1427 gpg_error_t rc
= file_modified(client
);
1430 return send_error(ctx
, rc
);
1433 rc
= assuan_inquire_ext(ctx
, "STORE", 0, store_command_finalize
, ctx
);
1437 return send_error(ctx
, rc
);
1439 /* Don't return with assuan_process_done() here. This is an INQUIRE. */
1440 client
->inquire_status
= INQUIRE_BUSY
;
1444 static void *send_data_cb(void *arg
)
1446 struct assuan_cmd_s
*data
= arg
;
1447 gpg_error_t rc
= assuan_send_data(data
->ctx
, data
->line
, data
->line_len
);
1448 pth_exit((void *)rc
);
1452 /* For every assuan command that needs to be sent to the client, a timeout is
1453 * needed to determine if the client lost the connection. The timeout is the
1454 * same as the "keepalive" configuration parameter or a default if unset.
1456 gpg_error_t
do_assuan_command(assuan_context_t ctx
,
1457 void *(*cb
)(void *data
), void *data
)
1459 pth_attr_t attr
= pth_attr_new();
1462 gint to
= get_key_file_integer("global", "keepalive");
1463 pth_event_t ev
, tev
;
1467 pth_attr_init(attr
);
1468 pth_attr_set(attr
, PTH_ATTR_JOINABLE
, TRUE
);
1469 tid
= pth_spawn(attr
, cb
, data
);
1471 pth_attr_destroy(attr
);
1474 log_write("%s(%i): pth_spawn(): %s", __FILE__
, __LINE__
,
1475 _gpg_strerror(gpg_error_from_errno(n
)));
1476 return gpg_error_from_errno(n
);
1479 to
= to
<= 0 ? DEFAULT_KEEPALIVE_TO
: to
;
1480 ev
= pth_event(PTH_EVENT_TID
|PTH_UNTIL_TID_DEAD
, tid
);
1481 tev
= pth_event(PTH_EVENT_TIME
, pth_timeout(to
, 0));
1482 ev
= pth_event_concat(ev
, tev
, NULL
);
1485 st
= pth_event_status(ev
);
1487 if (st
== PTH_STATUS_FAILED
) {
1489 rc
= GPG_ERR_ASS_WRITE_ERROR
;
1491 else if (st
== PTH_STATUS_OCCURRED
) {
1492 pth_join(tid
, (void **)&rc
);
1495 st
= pth_event_status(tev
);
1497 if (st
== PTH_STATUS_OCCURRED
) {
1499 rc
= GPG_ERR_ASS_WRITE_ERROR
;
1503 pth_event_free(ev
, PTH_FREE_THIS
);
1504 pth_event_free(tev
, PTH_FREE_THIS
);
1508 static gpg_error_t
xfer_data(assuan_context_t ctx
, const gchar
*line
,
1514 struct assuan_cmd_s data
;
1515 int progress
= get_key_file_integer("global", "xfer_progress");
1518 progress
= progress
>0 ? (progress
/ASSUAN_LINELENGTH
)*ASSUAN_LINELENGTH
: 0;
1520 if (total
< ASSUAN_LINELENGTH
)
1523 to_send
= ASSUAN_LINELENGTH
;
1526 rc
= send_status(ctx
, STATUS_XFER
, "%li %li", sent
, total
);
1533 if (sent
+ to_send
> total
)
1534 to_send
= total
- sent
;
1536 data
.line
= flush
? NULL
: (gchar
*)line
+sent
;
1537 data
.line_len
= flush
? 0 : to_send
;
1538 rc
= do_assuan_command(ctx
, send_data_cb
, &data
);
1541 sent
+= flush
? 0 : to_send
;
1543 if ((progress
&& !(sent
% progress
) && sent
!= total
) ||
1544 (sent
== total
&& flush
))
1545 rc
= send_status(ctx
, STATUS_XFER
, "%li %li", sent
, total
);
1547 if (!flush
&& !rc
&& sent
== total
) {
1552 } while (!rc
&& sent
< total
);
1557 static int get_command(assuan_context_t ctx
, char *line
)
1559 struct client_s
*client
= assuan_get_pointer(ctx
);
1564 rc
= file_modified(client
);
1567 return send_error(ctx
, rc
);
1569 req
= split_input_line(line
, "\t", -1);
1571 if (!req
|| !*req
) {
1573 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
1576 n
= find_account(client
->doc
, &req
, &rc
, NULL
, 0);
1580 return send_error(ctx
, rc
);
1584 n
= find_elements(client
->doc
, n
->children
, req
+1, &rc
, NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
1589 return send_error(ctx
, rc
);
1591 if (!n
|| !n
->children
)
1592 return send_error(ctx
, EPWMD_EMPTY_ELEMENT
);
1594 n
= find_text_node(n
->children
);
1596 if (!n
|| !n
->content
|| !*n
->content
)
1597 return send_error(ctx
, EPWMD_EMPTY_ELEMENT
);
1600 rc
= xfer_data(ctx
, (gchar
*)n
->content
, xmlStrlen(n
->content
));
1601 return send_error(ctx
, rc
);
1604 static xmlNodePtr
realpath_elements_cb(xmlNodePtr node
, gchar
**target
,
1605 gpg_error_t
*rc
, gchar
**req_orig
, void *data
)
1607 gchar
*path
= *(gchar
**)data
;
1608 gchar
*tmp
= NULL
, *result
;
1612 *(gchar
**)data
= NULL
;
1615 path
= g_strjoinv("\t", target
);
1618 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1619 *rc
= gpg_error_from_errno(ENOMEM
);
1624 tmp
= g_strjoinv("\t", req_orig
);
1628 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1629 *rc
= gpg_error_from_errno(ENOMEM
);
1635 result
= g_strdup_printf("%s\t%s", path
, tmp
);
1637 result
= g_strdup(path
);
1640 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1641 *rc
= gpg_error_from_errno(ENOMEM
);
1649 *(gchar
**)data
= result
;
1653 static void list_command_cleanup1(void *arg
);
1654 static int realpath_command(assuan_context_t ctx
, char *line
)
1657 struct client_s
*client
= assuan_get_pointer(ctx
);
1665 rc
= file_modified(client
);
1668 return send_error(ctx
, rc
);
1670 if (strchr(line
, '\t') != NULL
) {
1671 if ((req
= split_input_line(line
, "\t", 0)) == NULL
)
1672 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
1675 if ((req
= split_input_line(line
, " ", 0)) == NULL
)
1676 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
1679 n
= find_account(client
->doc
, &req
, &rc
, NULL
, 0);
1683 return send_error(ctx
, rc
);
1686 rp
= g_strjoinv("\t", req
);
1690 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1691 return send_syserror(ctx
, ENOMEM
);
1695 n
= find_elements(client
->doc
, n
->children
, req
+1, &rc
,
1696 NULL
, realpath_elements_cb
, NULL
, FALSE
, 0, &rp
);
1701 return send_error(ctx
, rc
);
1705 string
= g_string_new(rp
);
1710 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1711 return send_syserror(ctx
, ENOMEM
);
1715 for (i
= 0, t
= string
->str
+ i
; *t
; t
++, i
++) {
1716 if ((!i
&& *t
!= '!') || (*t
== '\t' && *(t
+1) && *(t
+1) != '!')) {
1717 string
= g_string_insert_c(string
, !i
? i
++ : ++i
, '!');
1722 rc
= xfer_data(ctx
, string
->str
, string
->len
);
1723 list_command_cleanup1(string
);
1724 return send_error(ctx
, rc
);
1727 static void list_command_cleanup1(void *arg
)
1729 g_string_free((GString
*)arg
, TRUE
);
1732 static void list_command_cleanup2(void *arg
)
1734 struct element_list_s
*elements
= arg
;
1737 gint total
= g_slist_length(elements
->list
);
1740 for (i
= 0; i
< total
; i
++) {
1741 gchar
*tmp
= g_slist_nth_data(elements
->list
, i
);
1745 g_slist_free(elements
->list
);
1747 if (elements
->prefix
)
1748 g_free(elements
->prefix
);
1754 static int list_command(assuan_context_t ctx
, char *line
)
1756 struct client_s
*client
= assuan_get_pointer(ctx
);
1758 struct element_list_s
*elements
= NULL
;
1761 if (disable_list_and_dump
== TRUE
)
1762 return send_error(ctx
, GPG_ERR_NOT_IMPLEMENTED
);
1764 rc
= file_modified(client
);
1767 return send_error(ctx
, rc
);
1772 rc
= list_accounts(client
->doc
, &str
);
1775 return send_error(ctx
, rc
);
1777 rc
= xfer_data(ctx
, str
->str
, str
->len
);
1778 list_command_cleanup1(str
);
1779 return send_error(ctx
, rc
);
1782 elements
= g_malloc0(sizeof(struct element_list_s
));
1785 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1786 rc
= gpg_err_code_from_errno(ENOMEM
);
1790 rc
= create_path_list(client
->doc
, elements
, line
);
1796 gint total
= g_slist_length(elements
->list
);
1801 rc
= EPWMD_EMPTY_ELEMENT
;
1805 str
= g_string_new(NULL
);
1808 rc
= gpg_err_code_from_errno(ENOMEM
);
1809 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1813 for (i
= 0; i
< total
; i
++) {
1814 tmp
= g_slist_nth_data(elements
->list
, i
);
1815 g_string_append_printf(str
, "%s%s", tmp
, i
+1 == total
? "" : "\n");
1818 rc
= xfer_data(ctx
, str
->str
, str
->len
);
1819 list_command_cleanup1(str
);
1822 rc
= EPWMD_EMPTY_ELEMENT
;
1825 list_command_cleanup2(elements
);
1826 return send_error(ctx
, rc
);
1829 static gpg_error_t
add_attribute(xmlNodePtr node
, const gchar
*name
,
1834 if ((a
= xmlHasProp(node
, (xmlChar
*)name
)) == NULL
) {
1835 a
= xmlNewProp(node
, (xmlChar
*)name
, (xmlChar
*)value
);
1838 return EPWMD_LIBXML_ERROR
;
1841 xmlNodeSetContent(a
->children
, (xmlChar
*)value
);
1847 * req[0] - element path
1849 static int attribute_list(assuan_context_t ctx
, gchar
**req
)
1851 struct client_s
*client
= assuan_get_pointer(ctx
);
1852 gchar
**attrlist
= NULL
;
1854 gchar
**path
= NULL
;
1860 if (!req
|| !req
[0])
1861 return EPWMD_COMMAND_SYNTAX
;
1863 if ((path
= split_input_line(req
[0], "\t", 0)) == NULL
) {
1865 * The first argument may be only an account.
1867 if ((path
= split_input_line(req
[0], " ", 0)) == NULL
)
1868 return EPWMD_COMMAND_SYNTAX
;
1871 n
= find_account(client
->doc
, &path
, &rc
, NULL
, 0);
1879 n
= find_elements(client
->doc
, n
->children
, path
+1, &rc
,
1880 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
1890 for (a
= n
->properties
; a
; a
= a
->next
) {
1893 if ((pa
= g_realloc(attrlist
, (i
+ 2) * sizeof(gchar
*))) == NULL
) {
1895 g_strfreev(attrlist
);
1897 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1898 return gpg_error_from_errno(ENOMEM
);
1903 attrlist
[i
] = g_strdup_printf("%s %s", (gchar
*)a
->name
, (gchar
*)an
->content
);
1906 g_strfreev(attrlist
);
1907 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1908 return gpg_error_from_errno(ENOMEM
);
1911 attrlist
[++i
] = NULL
;
1915 return EPWMD_EMPTY_ELEMENT
;
1917 line
= g_strjoinv("\n", attrlist
);
1920 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
1921 g_strfreev(attrlist
);
1922 return gpg_error_from_errno(ENOMEM
);
1925 rc
= xfer_data(ctx
, line
, strlen(line
));
1927 req_cleanup(attrlist
);
1932 * req[0] - attribute
1933 * req[1] - element path
1935 static int attribute_delete(struct client_s
*client
, gchar
**req
)
1939 gchar
**path
= NULL
;
1942 if (!req
|| !req
[0] || !req
[1])
1943 return EPWMD_COMMAND_SYNTAX
;
1945 if ((path
= split_input_line(req
[1], "\t", 0)) == NULL
) {
1947 * The first argument may be only an account.
1949 if ((path
= split_input_line(req
[1], " ", 0)) == NULL
)
1950 return EPWMD_COMMAND_SYNTAX
;
1954 * Don't remove the "name" attribute for the account element. To remove an
1955 * account use DELETE <account>.
1957 if (!path
[1] && xmlStrEqual((xmlChar
*)req
[0], (xmlChar
*)"name")) {
1958 rc
= EPWMD_ATTR_SYNTAX
;
1962 n
= find_account(client
->doc
, &path
, &rc
, NULL
, 0);
1968 n
= find_elements(client
->doc
, n
->children
, path
+1, &rc
,
1969 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
1977 if ((a
= xmlHasProp(n
, (xmlChar
*)req
[0])) == NULL
)
1978 return EPWMD_ATTR_NOT_FOUND
;
1980 if (xmlRemoveProp(a
) == -1)
1981 return EPWMD_LIBXML_ERROR
;
1990 static xmlNodePtr
create_element_path(struct client_s
*client
, gchar
***path
,
1993 gchar
**src
= *path
;
1994 gchar
**src_orig
= g_strdupv(src
);
1995 xmlNodePtr n
= NULL
;
2000 *rc
= gpg_error_from_errno(ENOMEM
);
2001 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2006 n
= find_account(client
->doc
, &src
, rc
, NULL
, 0);
2009 if (*rc
== EPWMD_ELEMENT_NOT_FOUND
) {
2010 *rc
= new_account(client
->doc
, src
[0]);
2023 n
= create_target_elements_cb(n
, src
+1, rc
, NULL
);
2025 n
= find_elements(client
->doc
, n
->children
, src
+1, rc
,
2026 NULL
, NULL
, create_target_elements_cb
, FALSE
, 0, NULL
);
2032 * Reset the position of the element tree now that the elements
2033 * have been created.
2038 n
= find_account(client
->doc
, &src
, rc
, NULL
, 0);
2043 n
= find_elements(client
->doc
, n
->children
, src
+1, rc
,
2044 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
2052 g_strfreev(src_orig
);
2059 * Creates a "target" attribute. When other commands encounter an element with
2060 * this attribute, the element path is modified to the target value. If the
2061 * source element path doesn't exist when using 'ATTR SET target', it is
2062 * created, but the destination element path must exist.
2064 * req[0] - source element path
2065 * req[1] - destination element path
2067 static gpg_error_t
target_attribute(struct client_s
*client
, gchar
**req
)
2069 gchar
**src
, **dst
, *line
= NULL
;
2073 if (!req
|| !req
[0] || !req
[1])
2074 return EPWMD_COMMAND_SYNTAX
;
2076 if ((src
= split_input_line(req
[0], "\t", 0)) == NULL
) {
2078 * The first argument may be only an account.
2080 if ((src
= split_input_line(req
[0], " ", 0)) == NULL
)
2081 return EPWMD_COMMAND_SYNTAX
;
2084 if (valid_element_path(src
, FALSE
) == FALSE
) {
2086 return EPWMD_INVALID_ELEMENT
;
2089 if ((dst
= split_input_line(req
[1], "\t", 0)) == NULL
) {
2091 * The first argument may be only an account.
2093 if ((dst
= split_input_line(req
[1], " ", 0)) == NULL
) {
2094 rc
= EPWMD_COMMAND_SYNTAX
;
2099 n
= find_account(client
->doc
, &dst
, &rc
, NULL
, 0);
2102 * Make sure the destination element path exists.
2108 n
= find_elements(client
->doc
, n
->children
, dst
+1, &rc
,
2109 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
2115 n
= create_element_path(client
, &src
, &rc
);
2120 line
= g_strjoinv("\t", dst
);
2123 rc
= gpg_error_from_errno(ENOMEM
);
2124 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2128 rc
= add_attribute(n
, "target", line
);
2138 * req[0] - account name
2141 static gpg_error_t
name_attribute(struct client_s
*client
, gchar
**req
)
2147 tmp
= g_strdupv(req
);
2150 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2151 return gpg_error_from_errno(ENOMEM
);
2154 n
= find_account(client
->doc
, &tmp
, &rc
, NULL
, 0);
2160 if (g_utf8_collate(req
[0], req
[1]) == 0)
2164 * Will not overwrite an existing account.
2166 tmp
= g_strdupv(req
+1);
2169 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2170 return gpg_error_from_errno(ENOMEM
);
2173 n
= find_account(client
->doc
, &tmp
, &rc
, NULL
, 0);
2176 if (rc
&& rc
!= EPWMD_ELEMENT_NOT_FOUND
)
2180 return EPWMD_ACCOUNT_EXISTS
;
2183 * Whitespace not allowed in account names.
2185 if (contains_whitespace(req
[1]) == TRUE
)
2186 return EPWMD_ATTR_SYNTAX
;
2188 tmp
= g_strdupv(req
);
2191 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2192 return gpg_error_from_errno(ENOMEM
);
2195 n
= find_account(client
->doc
, &tmp
, &rc
, NULL
, 0);
2199 return EPWMD_ELEMENT_NOT_FOUND
;
2201 return add_attribute(n
, "name", req
[1]);
2205 * req[0] - attribute
2206 * req[1] - element path
2208 static int attribute_get(assuan_context_t ctx
, gchar
**req
)
2210 struct client_s
*client
= assuan_get_pointer(ctx
);
2216 if (!req
|| !req
[0] || !req
[1])
2217 return EPWMD_COMMAND_SYNTAX
;
2219 if (strchr(req
[1], '\t')) {
2220 if ((path
= split_input_line(req
[1], "\t", 0)) == NULL
)
2221 return EPWMD_COMMAND_SYNTAX
;
2224 if ((path
= split_input_line(req
[1], " ", 0)) == NULL
)
2225 return EPWMD_COMMAND_SYNTAX
;
2228 n
= find_account(client
->doc
, &path
, &rc
, NULL
, 0);
2234 n
= find_elements(client
->doc
, n
->children
, path
+1, &rc
,
2235 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
2243 if ((a
= xmlGetProp(n
, (xmlChar
*)req
[0])) == NULL
)
2244 return EPWMD_ATTR_NOT_FOUND
;
2246 rc
= xfer_data(ctx
, (gchar
*)a
, xmlStrlen(a
));
2256 * req[0] - attribute
2257 * req[1] - element path
2260 static int attribute_set(struct client_s
*client
, gchar
**req
)
2262 gchar
**path
= NULL
;
2266 if (!req
|| !req
[0] || !req
[1] || !req
[2])
2267 return EPWMD_COMMAND_SYNTAX
;
2270 * Reserved attribute names.
2272 if (g_utf8_collate(req
[0], "name") == 0) {
2274 * Only reserved for the account element. Not the rest of the
2277 if (strchr(req
[1], '\t') == NULL
)
2278 return name_attribute(client
, req
+ 1);
2280 else if (g_utf8_collate(req
[0], "target") == 0)
2281 return target_attribute(client
, req
+ 1);
2283 if ((path
= split_input_line(req
[1], "\t", 0)) == NULL
) {
2285 * The first argument may be only an account.
2287 if ((path
= split_input_line(req
[1], " ", 0)) == NULL
)
2288 return EPWMD_COMMAND_SYNTAX
;
2291 n
= find_account(client
->doc
, &path
, &rc
, NULL
, 0);
2297 n
= find_elements(client
->doc
, n
->children
, path
+1, &rc
,
2298 NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
2305 return add_attribute(n
, req
[0], req
[2]);
2314 * req[1] - attribute name or element path if command is LIST
2315 * req[2] - element path
2316 * req[2] - element path or value
2318 static int attr_command(assuan_context_t ctx
, char *line
)
2320 struct client_s
*client
= assuan_get_pointer(ctx
);
2324 rc
= file_modified(client
);
2327 return send_error(ctx
, rc
);
2329 req
= split_input_line(line
, " ", 4);
2331 if (!req
|| !req
[0] || !req
[1]) {
2333 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
2336 if (g_ascii_strcasecmp(req
[0], "SET") == 0)
2337 rc
= attribute_set(client
, req
+1);
2338 else if (g_ascii_strcasecmp(req
[0], "GET") == 0)
2339 rc
= attribute_get(ctx
, req
+1);
2340 else if (g_ascii_strcasecmp(req
[0], "DELETE") == 0)
2341 rc
= attribute_delete(client
, req
+1);
2342 else if (g_ascii_strcasecmp(req
[0], "LIST") == 0)
2343 rc
= attribute_list(ctx
, req
+1);
2345 rc
= EPWMD_COMMAND_SYNTAX
;
2348 return send_error(ctx
, rc
);
2351 static int iscached_command(assuan_context_t ctx
, char *line
)
2353 gchar
**req
= split_input_line(line
, " ", 0);
2357 if (!req
|| !*req
) {
2359 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
2362 if (!valid_filename(req
[0])) {
2364 return EPWMD_INVALID_FILENAME
;
2367 tmp
= get_key_file_string("global", "data_directory");
2371 return gpg_error_from_errno(ENOMEM
);
2374 path
= expand_homedir(tmp
);
2379 return gpg_error_from_errno(ENOMEM
);
2384 path
= g_strdup_printf("%s/%s", tmp
, req
[0]);
2389 return gpg_error_from_errno(ENOMEM
);
2392 if (access(path
, R_OK
) == -1) {
2393 gpg_error_t rc
= gpg_error_from_syserror();
2397 return send_error(ctx
, rc
);
2401 gcry_md_hash_buffer(GCRY_MD_MD5
, md5file
, req
[0], strlen(req
[0]));
2405 if (cache_iscached(md5file
) == FALSE
) {
2407 return send_error(ctx
, EPWMD_CACHE_NOT_FOUND
);
2411 return send_error(ctx
, 0);
2414 static int clearcache_command(assuan_context_t ctx
, char *line
)
2416 struct client_s
*client
= assuan_get_pointer(ctx
);
2417 gchar
**req
= split_input_line(line
, " ", 0);
2422 if (!req
|| !*req
) {
2424 cache_clear(client
->md5file
, 2);
2426 return send_error(ctx
, 0);
2429 gcry_md_hash_buffer(GCRY_MD_MD5
, md5file
, req
[0], strlen(req
[0]));
2432 if (cache_clear(md5file
, 1) == FALSE
) {
2434 return send_error(ctx
, EPWMD_CACHE_NOT_FOUND
);
2438 return send_error(ctx
, 0);
2441 static int cachetimeout_command(assuan_context_t ctx
, char *line
)
2445 gchar
**req
= split_input_line(line
, " ", 0);
2448 if (!req
|| !*req
|| !req
[1]) {
2450 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
2454 timeout
= strtol(req
[0], &p
, 10);
2456 if (errno
!= 0 || *p
!= 0) {
2458 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
2461 gcry_md_hash_buffer(GCRY_MD_MD5
, md5file
, req
[1], strlen(req
[1]));
2462 CACHE_LOCK(client
->ctx
);
2464 if (cache_set_timeout(md5file
, timeout
) == FALSE
) {
2466 return send_error(ctx
, EPWMD_CACHE_NOT_FOUND
);
2470 return send_error(ctx
, 0);
2473 static int dump_command(assuan_context_t ctx
, char *line
)
2477 struct client_s
*client
= assuan_get_pointer(ctx
);
2480 if (disable_list_and_dump
== TRUE
)
2481 return send_error(ctx
, GPG_ERR_NOT_IMPLEMENTED
);
2483 rc
= file_modified(client
);
2486 return send_error(ctx
, rc
);
2488 xmlDocDumpFormatMemory(client
->doc
, &xml
, &len
, 1);
2491 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2492 return send_syserror(ctx
, ENOMEM
);
2495 rc
= xfer_data(ctx
, (gchar
*)xml
, len
);
2497 return send_error(ctx
, rc
);
2500 static int getconfig_command(assuan_context_t ctx
, gchar
*line
)
2502 struct client_s
*client
= assuan_get_pointer(ctx
);
2504 gchar filename
[255]={0}, param
[747]={0};
2505 gchar
*p
, *tmp
, *fp
= client
->filename
, *paramp
= line
;
2507 if (strchr(line
, ' ')) {
2508 sscanf(line
, " %254[^ ] %746c", filename
, param
);
2513 if (fp
&& !valid_filename(fp
))
2514 return send_error(ctx
, EPWMD_INVALID_FILENAME
);
2516 paramp
= g_ascii_strdown(paramp
, -1);
2519 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2520 return send_syserror(ctx
, ENOMEM
);
2523 if (fp
&& !strcmp(paramp
, "iterations")) {
2524 if (!(client
->opts
& OPT_ITERATIONS
) || fp
!= client
->filename
) {
2525 file_header_internal_t
*fh
= read_file_header(fp
, FALSE
, &rc
);
2527 if (!fh
&& rc
!= GPG_ERR_ENOENT
)
2528 return send_error(ctx
, rc
);
2532 p
= g_strdup_printf("%llu", fh
->fh2
.iter
);
2533 close_file_header(fh
);
2536 log_write("%s(%i): %s", __FILE__
, __LINE__
,
2538 return send_syserror(ctx
, ENOMEM
);
2546 p
= get_key_file_string(fp
? fp
: "global", paramp
);
2550 return send_error(ctx
, GPG_ERR_NO_VALUE
);
2552 tmp
= expand_homedir(p
);
2556 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2557 return send_syserror(ctx
, ENOMEM
);
2562 rc
= xfer_data(ctx
, p
, strlen(p
));
2564 return send_error(ctx
, rc
);
2568 xmlXPathContextPtr xp
;
2569 xmlXPathObjectPtr result
;
2574 static void xpath_command_cleanup(void *arg
)
2576 struct xpath_s
*xpath
= arg
;
2578 req_cleanup(xpath
->req
);
2581 xmlBufferFree(xpath
->buf
);
2584 xmlXPathFreeObject(xpath
->result
);
2587 xmlXPathFreeContext(xpath
->xp
);
2590 static int xpath_command(assuan_context_t ctx
, gchar
*line
)
2592 struct client_s
*client
= assuan_get_pointer(ctx
);
2594 struct xpath_s xpath
;
2596 if (disable_list_and_dump
== TRUE
)
2597 return send_error(ctx
, GPG_ERR_NOT_IMPLEMENTED
);
2599 rc
= file_modified(client
);
2602 return send_error(ctx
, rc
);
2604 if (!line
|| !*line
)
2605 return send_error(ctx
, EPWMD_COMMAND_SYNTAX
);
2607 memset(&xpath
, 0, sizeof(struct xpath_s
));
2609 if ((xpath
.req
= split_input_line(line
, "\t", 2)) == NULL
) {
2610 if (strv_printf(&xpath
.req
, "%s", line
) == FALSE
)
2611 return send_syserror(ctx
, ENOMEM
);
2614 xpath
.xp
= xmlXPathNewContext(client
->doc
);
2617 xpath_command_cleanup(&xpath
);
2618 return send_error(ctx
, EPWMD_LIBXML_ERROR
);
2621 xpath
.result
= xmlXPathEvalExpression((xmlChar
*)xpath
.req
[0], xpath
.xp
);
2623 if (!xpath
.result
) {
2624 xpath_command_cleanup(&xpath
);
2625 return send_error(ctx
, EPWMD_LIBXML_ERROR
);
2628 if (xmlXPathNodeSetIsEmpty(xpath
.result
->nodesetval
)) {
2629 rc
= EPWMD_EMPTY_ELEMENT
;
2633 rc
= recurse_xpath_nodeset(client
->doc
, xpath
.result
->nodesetval
,
2634 (xmlChar
*)xpath
.req
[1], &xpath
.buf
);
2638 else if (!xpath
.req
[1] && !xmlBufferLength(xpath
.buf
)) {
2639 rc
= EPWMD_EMPTY_ELEMENT
;
2642 else if (xpath
.req
[1])
2646 rc
= xfer_data(ctx
, (gchar
*)xmlBufferContent(xpath
.buf
),
2647 xmlBufferLength(xpath
.buf
));
2650 xpath_command_cleanup(&xpath
);
2651 return send_error(ctx
, rc
);
2654 static int import_command_finalize(gpointer data
, gint assuan_rc
, guchar
*line
,
2657 struct client_s
*client
= assuan_get_pointer((assuan_context_t
)data
);
2658 gpg_error_t rc
= file_modified(client
);
2659 gchar
**req
, **path
= NULL
, **path_orig
= NULL
, *content
;
2661 xmlNodePtr n
, root
, copy
;
2663 if (assuan_rc
|| rc
) {
2666 return assuan_rc
? assuan_rc
: rc
;
2669 req
= split_input_line((gchar
*)line
, " ", 2);
2673 return EPWMD_COMMAND_SYNTAX
;
2675 if ((path
= split_input_line(req
[0], "\t", 0)) == NULL
) {
2676 if ((path
= split_input_line(req
[0], " ", 0)) == NULL
)
2677 return EPWMD_COMMAND_SYNTAX
;
2682 if (!content
|| !*content
) {
2683 rc
= EPWMD_COMMAND_SYNTAX
;
2687 if (valid_xml_element((xmlChar
*)*path
) == FALSE
) {
2688 rc
= EPWMD_INVALID_ELEMENT
;
2692 if (valid_element_path(path
+1, FALSE
) == FALSE
) {
2693 rc
= EPWMD_INVALID_ELEMENT
;
2697 doc
= xmlReadDoc((xmlChar
*)content
, NULL
, "UTF-8", XML_PARSE_NOBLANKS
);
2700 rc
= EPWMD_LIBXML_ERROR
;
2704 root
= xmlDocGetRootElement(doc
);
2705 path_orig
= g_strdupv(path
);
2709 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
2710 rc
= gpg_error_from_errno(ENOMEM
);
2714 if (strv_printf(&path
, "%s", (gchar
*)root
->name
) == FALSE
) {
2715 g_strfreev(path_orig
);
2717 rc
= gpg_error_from_errno(ENOMEM
);
2721 n
= find_account(client
->doc
, &path
, &rc
, NULL
, 0);
2723 if (rc
&& rc
!= EPWMD_ELEMENT_NOT_FOUND
) {
2724 g_strfreev(path_orig
);
2729 n
= find_elements(client
->doc
, n
->children
, path
+1, &rc
, NULL
, NULL
, NULL
, FALSE
, 0, NULL
);
2731 if (rc
&& rc
!= EPWMD_ELEMENT_NOT_FOUND
) {
2732 g_strfreev(path_orig
);
2737 xmlNodePtr parent
= n
->parent
;
2748 if (rc
== EPWMD_ELEMENT_NOT_FOUND
) {
2749 n
= create_element_path(client
, &path
, &rc
);
2757 copy
= xmlCopyNode(root
, 1);
2758 n
= xmlAddChild(n
, copy
);
2762 rc
= EPWMD_LIBXML_ERROR
;
2767 client
->inquire_status
= INQUIRE_DONE
;
2771 static int import_command(assuan_context_t ctx
, gchar
*line
)
2774 struct client_s
*client
= assuan_get_pointer(ctx
);
2776 rc
= file_modified(client
);
2779 return send_error(ctx
, rc
);
2782 rc
= assuan_inquire_ext(ctx
, "IMPORT", 0, import_command_finalize
, ctx
);
2786 return send_error(ctx
, rc
);
2788 /* Don't return with assuan_process_done() here. This is an INQUIRE. */
2789 client
->inquire_status
= INQUIRE_BUSY
;
2793 static int lock_command(assuan_context_t ctx
, gchar
*line
)
2796 struct client_s
*client
= assuan_get_pointer(ctx
);
2798 rc
= file_modified(client
);
2801 return send_error(ctx
, rc
);
2803 rc
= lock_file_mutex(client
);
2806 client
->is_lock_cmd
= TRUE
;
2808 return send_error(ctx
, rc
);
2811 static int unlock_command(assuan_context_t ctx
, gchar
*line
)
2813 struct client_s
*client
= assuan_get_pointer(ctx
);
2814 gpg_error_t rc
= file_modified(client
);
2817 return send_error(ctx
, rc
);
2819 unlock_file_mutex(client
);
2820 return send_error(ctx
, 0);
2823 static int getpid_command(assuan_context_t ctx
, gchar
*line
)
2827 pid_t pid
= getpid();
2829 print_fmt(buf
, sizeof(buf
), "%i", pid
);
2831 rc
= xfer_data(ctx
, buf
, strlen(buf
));
2833 return send_error(ctx
, rc
);
2836 static int version_command(assuan_context_t ctx
, gchar
*line
)
2841 print_fmt(buf
, sizeof(buf
), "%s", PACKAGE_VERSION
);
2843 rc
= xfer_data(ctx
, buf
, strlen(buf
));
2845 return send_error(ctx
, rc
);
2848 static void bye_notify(assuan_context_t ctx
)
2850 struct client_s
*cl
= assuan_get_pointer(ctx
);
2852 /* This will let assuan_process_next() return. */
2853 fcntl(cl
->thd
->fd
, F_SETFL
, O_NONBLOCK
);
2856 static void reset_notify(assuan_context_t ctx
)
2858 struct client_s
*cl
= assuan_get_pointer(ctx
);
2864 static gpg_error_t
parse_client_option(assuan_context_t ctx
, const gchar
*line
)
2866 gchar name
[32] = {0}, value
[256] = {0};
2867 struct client_s
*cl
= assuan_get_pointer(ctx
);
2869 if (sscanf(line
, " %31[a-zA-Z] = %255c", name
, value
) != 2)
2870 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_SYNTAX
);
2872 if (g_strcasecmp(name
, (gchar
*)"NAME") == 0) {
2873 pth_attr_t attr
= pth_attr_of(pth_self());
2876 if (!strcmp(value
, "NULL")) {
2877 pth_attr_set(attr
, PTH_ATTR_NAME
, NULL
);
2878 pth_attr_destroy(attr
);
2882 print_fmt(buf
, sizeof(buf
), "%s", value
);
2883 pth_attr_set(attr
, PTH_ATTR_NAME
, buf
);
2884 pth_attr_destroy(attr
);
2885 #ifdef WITH_PINENTRY
2886 if (cl
->pinentry
->name
)
2887 g_free(cl
->pinentry
->name
);
2889 cl
->pinentry
->name
= g_strdup(buf
);
2891 log_write("OPTION CLIENT %s=%s", name
, buf
);
2894 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_UNKNOWN_OPTION
);
2899 static void set_option_value(gchar
**opt
, const gchar
*val
)
2906 if (val
&& strcmp(val
, "NULL"))
2907 *opt
= g_strdup(val
);
2910 static int option_handler(assuan_context_t ctx
, const gchar
*name
,
2913 struct client_s
*client
= assuan_get_pointer(ctx
);
2915 if (!value
|| !*value
)
2916 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_INV_VALUE
);
2918 if (g_strcasecmp(name
, (gchar
*)"client") == 0)
2919 return parse_client_option(ctx
, value
);
2921 if (g_strcasecmp(name
, (gchar
*)"iterations") == 0) {
2926 n
= strtol(value
, &p
, 10);
2928 if (errno
|| (p
&& *p
) || n
< 0)
2929 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_INV_VALUE
);
2931 MUTEX_LOCK(&rcfile_mutex
);
2932 g_key_file_set_integer(keyfileh
, client
->filename
? client
->filename
: "global", "iterations", (guint
)n
);
2933 MUTEX_UNLOCK(&rcfile_mutex
);
2934 send_status_all(STATUS_CONFIG
);
2936 if (client
->filename
)
2937 client
->opts
|= OPT_ITERATIONS
;
2939 #ifdef WITH_PINENTRY
2940 else if (g_strcasecmp(name
, (gchar
*)"lc_messages") == 0)
2941 set_option_value(&client
->pinentry
->lcmessages
, value
);
2942 else if (g_strcasecmp(name
, (gchar
*)"lc_ctype") == 0)
2943 set_option_value(&client
->pinentry
->lcctype
, value
);
2944 else if (g_strcasecmp(name
, (gchar
*)"ttyname") == 0)
2945 set_option_value(&client
->pinentry
->ttyname
, value
);
2946 else if (g_strcasecmp(name
, (gchar
*)"ttytype") == 0)
2947 set_option_value(&client
->pinentry
->ttytype
, value
);
2948 else if (g_strcasecmp(name
, (gchar
*)"display") == 0)
2949 set_option_value(&client
->pinentry
->display
, value
);
2950 else if (g_strcasecmp(name
, (gchar
*)"path") == 0)
2951 set_option_value(&client
->pinentry
->path
, value
);
2952 else if (g_strcasecmp(name
, (gchar
*)"title") == 0)
2953 set_option_value(&client
->pinentry
->title
, value
);
2954 else if (g_strcasecmp(name
, (gchar
*)"prompt") == 0)
2955 set_option_value(&client
->pinentry
->prompt
, value
);
2956 else if (g_strcasecmp(name
, (gchar
*)"desc") == 0)
2957 set_option_value(&client
->pinentry
->desc
, value
);
2959 * Look at client_thread() to see how this works.
2961 else if (g_strcasecmp(name
, (gchar
*)"timeout") == 0) {
2963 gint n
= strtol(value
, &p
, 10);
2966 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_INV_VALUE
);
2968 client
->pinentry
->timeout
= n
;
2970 else if (g_strcasecmp(name
, (gchar
*)"pinentry") == 0) {
2972 gint n
= strtol(value
, &p
, 10);
2974 if (*p
|| n
< 0 || n
> 1)
2975 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_INV_VALUE
);
2977 client
->pinentry
->enable
= n
== 0 ? FALSE
: TRUE
;
2981 return gpg_err_make(PWMD_ERR_SOURCE
, GPG_ERR_UNKNOWN_OPTION
);
2983 log_write("OPTION %s=%s", name
, value
);
2987 gpg_error_t
register_commands(assuan_context_t ctx
)
2991 gint (*handler
)(assuan_context_t
, gchar
*line
);
2993 { "OPEN", open_command
},
2994 { "SAVE", save_command
},
2995 { "LIST", list_command
},
2996 { "REALPATH", realpath_command
},
2997 { "STORE", store_command
},
2998 { "DELETE", delete_command
},
2999 { "GET", get_command
},
3000 { "ATTR", attr_command
},
3001 { "ISCACHED", iscached_command
},
3002 { "CLEARCACHE", clearcache_command
},
3003 { "CACHETIMEOUT", cachetimeout_command
},
3004 { "GETCONFIG", getconfig_command
},
3005 { "DUMP", dump_command
},
3006 { "XPATH", xpath_command
},
3007 { "IMPORT", import_command
},
3008 { "LOCK", lock_command
},
3009 { "UNLOCK", unlock_command
},
3010 { "GETPID", getpid_command
},
3011 { "VERSION", version_command
},
3018 for (i
=0; table
[i
].name
; i
++) {
3019 rc
= assuan_register_command (ctx
, table
[i
].name
, table
[i
].handler
);
3025 rc
= assuan_register_bye_notify(ctx
, bye_notify
);
3030 rc
= assuan_register_option_handler(ctx
, option_handler
);
3035 rc
= assuan_register_reset_notify(ctx
, reset_notify
);
3040 return assuan_register_post_cmd_notify(ctx
, command_finalize
);
3043 gpg_error_t
try_xml_decrypt(assuan_context_t ctx
, guchar
*key
,
3044 struct client_crypto_s
*crypto
, gpointer
*dst
, goffset
*dst_len
)
3046 goffset insize
, len
;
3047 struct client_s
*client
= ctx
? assuan_get_pointer(ctx
) : NULL
;
3048 guint64 iter
= 0, n_iter
= 0, iter_progress
= 0;
3052 gsize fh_size
= crypto
->fh
->v1
? sizeof(crypto
->fh
->fh1
) : sizeof(crypto
->fh
->fh2
);
3053 guint64 fh_iter
= crypto
->fh
->v1
? crypto
->fh
->fh1
.iter
: crypto
->fh
->fh2
.iter
;
3055 lseek(crypto
->fh
->fd
, fh_size
, SEEK_SET
);
3056 insize
= crypto
->fh
->st
.st_size
- fh_size
;
3057 crypto
->iv
= gcry_malloc(gcryblocksize
);
3060 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
3061 return gpg_error_from_errno(ENOMEM
);
3064 /* No encryption iterations. This is a plain (gzipped) file. */
3065 if ((crypto
->fh
->v1
&& fh_iter
< 0) || (!crypto
->fh
->v1
&& fh_iter
<= 0)) {
3067 * cache_file_count() needs both .used == TRUE and a valid key in
3068 * order for it to count as a used cache entry. Fixes CACHE status
3071 memset(key
, '!', gcrykeysize
);
3075 memcpy(crypto
->iv
, crypto
->fh
->fh1
.iv
, gcryblocksize
);
3077 memcpy(crypto
->iv
, crypto
->fh
->fh2
.iv
, gcryblocksize
);
3079 crypto
->inbuf
= gcry_malloc(insize
);
3081 if (!crypto
->inbuf
) {
3082 log_write("%s(%i): %s", __FILE__
, __LINE__
, strerror(ENOMEM
));
3083 return gpg_error_from_errno(ENOMEM
);
3086 crypto
->insize
= insize
;
3087 len
= pth_read(crypto
->fh
->fd
, crypto
->inbuf
, crypto
->insize
);
3090 if (len
!= crypto
->insize
)
3091 return GPG_ERR_INV_LENGTH
;
3093 if ((crypto
->fh
->v1
&& fh_iter
< 0) || (!crypto
->fh
->v1
&& fh_iter
<= 0))
3096 if ((rc
= gcry_cipher_setiv(crypto
->gh
, crypto
->iv
, gcryblocksize
))) {
3097 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
3101 if ((rc
= gcry_cipher_setkey(crypto
->gh
, key
, gcrykeysize
))) {
3102 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
3106 iter_progress
= (guint64
)get_key_file_integer(client
&& client
->filename
?
3107 client
->filename
: "global", "iteration_progress");
3109 if (iter_progress
> 0 && fh_iter
>= iter_progress
) {
3110 rc
= send_status(ctx
, STATUS_DECRYPT
, "0 %llu", fh_iter
);
3117 rc
= iterate_crypto_once(client
, crypto
, STATUS_DECRYPT
);
3122 crypto
->tkey
= gcry_malloc(gcrykeysize
);
3124 if (!crypto
->tkey
) {
3125 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, strerror(ENOMEM
));
3126 return gpg_error_from_errno(ENOMEM
);
3129 memcpy(crypto
->tkey
, key
, gcrykeysize
);
3130 guchar
*tkey
= crypto
->tkey
;
3133 if ((rc
= gcry_cipher_setkey(crypto
->gh
, crypto
->tkey
, gcrykeysize
))) {
3134 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
3138 while (iter
< (crypto
->fh
->v1
? fh_iter
: fh_iter
-1)) {
3139 if (iter_progress
> 0 && iter
>= iter_progress
) {
3140 if (!(iter
% iter_progress
)) {
3141 rc
= send_status(ctx
, STATUS_DECRYPT
, "%llu %llu",
3142 ++n_iter
* iter_progress
, fh_iter
);
3150 if ((rc
= gcry_cipher_setiv(crypto
->gh
, crypto
->iv
, gcryblocksize
))) {
3151 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
3155 rc
= iterate_crypto_once(client
, crypto
, STATUS_DECRYPT
);
3158 log_write("%s(%i): %s", __FUNCTION__
, __LINE__
, _gpg_strerror(rc
));
3165 if (iter_progress
&& fh_iter
>= iter_progress
) {
3166 rc
= send_status(ctx
, STATUS_DECRYPT
, "%llu %llu", fh_iter
, fh_iter
);
3174 if (do_decompress(ctx
, crypto
->inbuf
, crypto
->insize
,
3175 (gpointer
*)&crypto
->outbuf
, &outsize
, &zrc
) == FALSE
) {
3176 if (zrc
== Z_MEM_ERROR
)
3177 return gpg_error_from_errno(ENOMEM
);
3179 return EPWMD_BADKEY
; // Not a valid gzip header. Must be a bad key.
3182 if (g_strncasecmp(crypto
->outbuf
, "<?xml version=", 14) != 0) {
3183 gcry_free(crypto
->outbuf
);
3184 crypto
->outbuf
= NULL
;
3185 return EPWMD_BADKEY
;
3189 client
->xml
= crypto
->outbuf
;
3190 client
->len
= outsize
;
3191 crypto
->outbuf
= NULL
;
3194 *dst
= crypto
->outbuf
;
3196 crypto
->outbuf
= NULL
;
3199 /* The calling function should free the crypto struct. */
3204 * This is called after every Assuan command.
3206 void command_finalize(assuan_context_t ctx
, gint rc
)
3208 struct client_s
*client
= assuan_get_pointer(ctx
);
3210 if (!client
->is_lock_cmd
)
3211 unlock_file_mutex(client
);