1 |
/* wptKeyCache.cpp- Caching for the pub- and the secring |
/* wptKeyCache.cpp- Caching for the pub- and the secring |
2 |
* Copyright (C) 2001-2006 Timo Schulz |
* Copyright (C) 2001-2006, 2009 Timo Schulz |
3 |
* |
* |
4 |
* This file is part of WinPT. |
* This file is part of WinPT. |
5 |
* |
* |
12 |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
13 |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
14 |
* GNU General Public License for more details. |
* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License |
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* along with this program; if not, write to the Free Software |
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
|
15 |
*/ |
*/ |
16 |
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17 |
#ifdef HAVE_CONFIG_H |
#ifdef HAVE_CONFIG_H |
21 |
#include <windows.h> |
#include <windows.h> |
22 |
#include <stdio.h> |
#include <stdio.h> |
23 |
#include <string.h> |
#include <string.h> |
|
#include <malloc.h> |
|
24 |
#include <ctype.h> |
#include <ctype.h> |
25 |
#include <assert.h> |
#include <assert.h> |
26 |
#include <gpgme.h> |
#include <gpgme.h> |
38 |
#include "wptUTF8.h" |
#include "wptUTF8.h" |
39 |
|
|
40 |
|
|
41 |
|
gpgme_error_t parse_keyserver_url (char **r_keyserver, unsigned short *r_port); |
42 |
|
|
43 |
/* Attribute list which holds the image data. */ |
/* Attribute list which holds the image data. */ |
44 |
struct attr_list_s { |
struct attr_list_s { |
45 |
struct attr_list_s *next; |
struct attr_list_s *next; |
51 |
typedef struct attr_list_s *attr_list_t; |
typedef struct attr_list_s *attr_list_t; |
52 |
|
|
53 |
|
|
54 |
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static unsigned char* |
55 |
|
safe_uchar_alloc (size_t n) |
56 |
|
{ |
57 |
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unsigned char *p = new unsigned char[n]; |
58 |
|
if (!p) |
59 |
|
BUG (0); |
60 |
|
return p; |
61 |
|
} |
62 |
|
|
63 |
|
|
64 |
/* Free attribute list @ctx. */ |
/* Free attribute list @ctx. */ |
65 |
void |
static void |
66 |
free_attr_list (attr_list_t ctx) |
free_attr_list (attr_list_t ctx) |
67 |
{ |
{ |
68 |
attr_list_t n; |
attr_list_t n; |
69 |
|
|
70 |
while (ctx) { |
while (ctx) { |
71 |
n = ctx->next; |
n = ctx->next; |
72 |
safe_free (ctx->fpr); |
free_if_alloc (ctx->fpr); |
73 |
safe_free (ctx->d); |
free_if_alloc (ctx->d); |
74 |
|
free_if_alloc (ctx); |
75 |
ctx = n; |
ctx = n; |
76 |
} |
} |
77 |
} |
} |
95 |
continue; |
continue; |
96 |
buffer = buf+9+10; |
buffer = buf+9+10; |
97 |
pos = 0; |
pos = 0; |
98 |
c = (attr_list_t)calloc (1, sizeof *c); |
c = new attr_list_s; |
99 |
if (!c) |
if (!c) |
100 |
BUG (0); |
BUG (0); |
101 |
|
memset (c, 0, sizeof *c); |
102 |
|
|
103 |
p = strtok (buffer, " "); |
p = strtok (buffer, " "); |
104 |
while (p != NULL) { |
while (p != NULL) { |
105 |
switch (pos) { |
switch (pos) { |
106 |
case 0: |
case 0: |
107 |
c->fpr = strdup (p); |
c->fpr = m_strdup (p); |
108 |
break; |
break; |
109 |
|
|
110 |
case 1: |
case 1: |
128 |
; |
; |
129 |
t->next = c; |
t->next = c; |
130 |
} |
} |
131 |
c->d = (unsigned char*)malloc (c->octets); |
c->d = safe_uchar_alloc (c->octets); |
|
if (!c->d) |
|
|
BUG (0); |
|
132 |
memcpy (c->d, data, c->octets); |
memcpy (c->d, data, c->octets); |
133 |
data += c->octets; |
data += c->octets; |
134 |
datlen -= c->octets; |
datlen -= c->octets; |
158 |
fwrite (status, 1, strlen (status), tmp); |
fwrite (status, 1, strlen (status), tmp); |
159 |
fflush (tmp); |
fflush (tmp); |
160 |
rewind (tmp); |
rewind (tmp); |
|
|
|
161 |
ndata = parse_attr_list (tmp, data, ndata, list); |
ndata = parse_attr_list (tmp, data, ndata, list); |
|
fclose (tmp); |
|
|
DeleteFile (tmpnam); |
|
162 |
} |
} |
163 |
else |
else |
164 |
*list = NULL; |
*list = NULL; |
165 |
|
if (tmp != NULL) { |
166 |
|
fclose (tmp); |
167 |
|
DeleteFile (tmpnam); |
168 |
|
} |
169 |
|
|
170 |
safe_free (status); |
safe_free (status); |
171 |
safe_free (data); |
safe_free (data); |
208 |
goto next; |
goto next; |
209 |
c->gloflags.is_protected = sk->is_protected; |
c->gloflags.is_protected = sk->is_protected; |
210 |
c->gloflags.divert_to_card = sk->protect.s2k.mode==1002? 1 : 0; |
c->gloflags.divert_to_card = sk->protect.s2k.mode==1002? 1 : 0; |
211 |
if (c->pubpart != NULL) { |
if (c->pubpart != NULL) { |
212 |
c->pubpart->gloflags.is_protected = sk->is_protected; |
c->pubpart->gloflags.is_protected = sk->is_protected; |
213 |
c->pubpart->gloflags.divert_to_card = sk->protect.s2k.mode==1002? 1 : 0; |
c->pubpart->gloflags.divert_to_card = sk->protect.s2k.mode==1002? 1 : 0; |
214 |
} |
} |
215 |
} |
} |
233 |
gpg_keycache_find_key2 (ctx, fpr, 0, &key, &fnd); |
gpg_keycache_find_key2 (ctx, fpr, 0, &key, &fnd); |
234 |
if (!fnd) |
if (!fnd) |
235 |
return gpg_error (GPG_ERR_NOT_FOUND); |
return gpg_error (GPG_ERR_NOT_FOUND); |
236 |
safe_free (fnd->attrib.d); |
free_if_alloc (fnd->attrib.d); |
237 |
fnd->attrib.flags = dat->flags; |
fnd->attrib.flags = dat->flags; |
238 |
fnd->attrib.len = dat->octets; |
fnd->attrib.len = dat->octets; |
239 |
fnd->attrib.d = (unsigned char*)malloc (dat->octets); |
fnd->attrib.d = safe_uchar_alloc (dat->octets); |
|
if (!fnd->attrib.d) |
|
|
BUG (0); |
|
240 |
memcpy (fnd->attrib.d, dat->d, dat->octets); |
memcpy (fnd->attrib.d, dat->d, dat->octets); |
241 |
return 0; |
return 0; |
242 |
} |
} |
262 |
} |
} |
263 |
|
|
264 |
|
|
265 |
static void |
void |
266 |
keycache_decode_uid (struct keycache_s *ctx) |
keycache_decode_uid (struct keycache_s *ctx) |
267 |
{ |
{ |
268 |
gpgme_user_id_t u; |
gpgme_user_id_t u; |
269 |
struct native_uid_s *n, *t; |
struct native_uid_s *n, *t; |
270 |
|
|
271 |
for (u = ctx->key->uids; u; u = u->next) { |
for (u = ctx->key->uids; u; u = u->next) { |
272 |
n = (struct native_uid_s*)calloc (1, sizeof *n); |
n = new native_uid_s; |
273 |
if (!n) |
if (!n) |
274 |
BUG (0); |
BUG (0); |
275 |
|
memset (n, 0, sizeof *n); |
276 |
if (is_8bit_string (u->uid)) { |
if (is_8bit_string (u->uid)) { |
277 |
n->malloced = 1; |
n->malloced = 1; |
278 |
n->uid = utf8_to_native (u->uid); |
n->uid = utf8_to_native (u->uid); |
279 |
if (u->name != NULL) |
if (u->name != NULL) |
280 |
n->name = utf8_to_native (u->name); |
n->name = utf8_to_native (u->name); |
281 |
if (u->email != NULL) |
if (u->email != NULL) |
282 |
n->email = strdup (u->email); |
n->email = m_strdup (u->email); |
283 |
if (u->comment != NULL) |
if (u->comment != NULL) |
284 |
n->comment = utf8_to_native (u->comment); |
n->comment = utf8_to_native (u->comment); |
285 |
} |
} |
324 |
while (n != NULL) { |
while (n != NULL) { |
325 |
t = n->next; |
t = n->next; |
326 |
if (n->malloced) { |
if (n->malloced) { |
327 |
safe_free (n->uid); |
free_if_alloc (n->uid); |
328 |
safe_free (n->name); |
free_if_alloc (n->name); |
329 |
safe_free (n->comment); |
free_if_alloc (n->comment); |
330 |
safe_free (n->email); |
free_if_alloc (n->email); |
|
safe_free (n->uid); |
|
331 |
} |
} |
332 |
safe_free (n); |
free_if_alloc (n); |
333 |
n = t; |
n = t; |
334 |
} |
} |
335 |
*r_n = NULL; |
*r_n = NULL; |
347 |
gpg_iobuf_t inp; |
gpg_iobuf_t inp; |
348 |
PACKET *pkt; |
PACKET *pkt; |
349 |
struct keycache_s *c; |
struct keycache_s *c; |
350 |
const byte *sym_prefs; |
const BYTE *sym_prefs; |
351 |
char keyid[16+1]; |
char keyid[16+1]; |
352 |
int key_seen = 0; |
int key_seen = 0; |
353 |
size_t nsym =0; |
size_t nsym =0; |
385 |
c->gloflags.has_desig_rev = 1; |
c->gloflags.has_desig_rev = 1; |
386 |
} |
} |
387 |
if (pkt->pkttype == PKT_SIGNATURE && key_seen == 1 && c != NULL) { |
if (pkt->pkttype == PKT_SIGNATURE && key_seen == 1 && c != NULL) { |
|
if (c->sym_prefs) /* only use the prefs from the primary uid. */ |
|
|
goto next; |
|
388 |
sym_prefs = gpg_parse_sig_subpkt (pkt->pkt.signature->hashed, |
sym_prefs = gpg_parse_sig_subpkt (pkt->pkt.signature->hashed, |
389 |
SIGSUBPKT_PREF_SYM, &nsym); |
SIGSUBPKT_PREF_SYM, &nsym); |
390 |
if (!sym_prefs) |
if (!sym_prefs) |
394 |
if (kid && strcmp (kid, keyid) != 0) |
if (kid && strcmp (kid, keyid) != 0) |
395 |
goto next; |
goto next; |
396 |
err = gpg_keycache_find_key2 (ctx, keyid, 0, &key, &c); |
err = gpg_keycache_find_key2 (ctx, keyid, 0, &key, &c); |
397 |
if (err) |
if (err || !c) |
398 |
|
goto next; |
399 |
|
if (c->sym_prefs) // only use the prefs from the primary uid. |
400 |
goto next; |
goto next; |
401 |
else if (nsym > 0) { |
else if (nsym > 0) { |
402 |
c->sym_prefs = (unsigned char*)calloc (1, nsym+1); |
c->sym_prefs = safe_uchar_alloc (nsym+1); |
403 |
if (!c->sym_prefs) |
memset (c->sym_prefs, 0, nsym+1); |
|
BUG (0); |
|
404 |
memcpy (c->sym_prefs, sym_prefs, nsym); |
memcpy (c->sym_prefs, sym_prefs, nsym); |
405 |
} |
} |
406 |
} |
} |
440 |
|
|
441 |
if (!r_ctx) |
if (!r_ctx) |
442 |
return gpg_error (GPG_ERR_INV_ARG); |
return gpg_error (GPG_ERR_INV_ARG); |
443 |
ctx = (gpg_keycache_t)calloc (1, sizeof *ctx); |
ctx = new gpg_keycache_s; |
444 |
if (!ctx) |
if (!ctx) |
445 |
BUG (0); |
BUG (0); |
446 |
|
memset (ctx, 0, sizeof *ctx); |
447 |
ctx->secret = 0; |
ctx->secret = 0; |
448 |
ctx->pos = 0; |
ctx->pos = 0; |
449 |
*r_ctx = ctx; |
*r_ctx = ctx; |
451 |
} |
} |
452 |
|
|
453 |
|
|
454 |
|
void |
455 |
|
gpg_keycache_item_release (struct keycache_s *c) |
456 |
|
{ |
457 |
|
if (c->key) |
458 |
|
gpgme_key_release (c->key); |
459 |
|
c->key = NULL; |
460 |
|
if (c->rev != NULL) |
461 |
|
gpg_desig_rev_release (c->rev); |
462 |
|
c->rev = NULL; |
463 |
|
free_if_alloc (c->pref_keyserver); |
464 |
|
free_if_alloc (c->sym_prefs); |
465 |
|
free_if_alloc (c->attrib.d); |
466 |
|
free_if_alloc (c->card_type); |
467 |
|
free_native_uids (&c->uids); |
468 |
|
free_if_alloc (c); |
469 |
|
} |
470 |
|
|
471 |
|
|
472 |
/* Release keycache object @ctx. */ |
/* Release keycache object @ctx. */ |
473 |
void |
void |
474 |
gpg_keycache_release (gpg_keycache_t ctx) |
gpg_keycache_release (gpg_keycache_t ctx) |
480 |
|
|
481 |
for (c = ctx->item; c; c = c2) { |
for (c = ctx->item; c; c = c2) { |
482 |
c2 = c->next; |
c2 = c->next; |
483 |
gpgme_key_release (c->key); |
gpg_keycache_item_release (c); |
|
c->key = NULL; |
|
|
if (c->rev != NULL) |
|
|
gpg_desig_rev_release (c->rev); |
|
|
c->rev = NULL; |
|
|
safe_free (c->pref_keyserver); |
|
|
safe_free (c->sym_prefs); |
|
|
safe_free (c->attrib.d); |
|
|
safe_free (c->card_type); |
|
|
free_native_uids (&c->uids); |
|
|
safe_free (c); |
|
484 |
} |
} |
485 |
safe_free (ctx); |
free_if_alloc (ctx); |
486 |
} |
} |
487 |
|
|
488 |
|
|
514 |
if (!ctx) |
if (!ctx) |
515 |
return gpg_error (GPG_ERR_INV_ARG); |
return gpg_error (GPG_ERR_INV_ARG); |
516 |
|
|
517 |
c = (struct keycache_s*)calloc (1, sizeof *c); |
c = new keycache_s; |
518 |
if (!c) |
if (!c) |
519 |
BUG (0); |
BUG (0); |
520 |
|
memset (c, 0, sizeof *c); |
521 |
c->gloflags.is_protected = 1; /*default: assume protection. */ |
c->gloflags.is_protected = 1; /*default: assume protection. */ |
522 |
c->key = key; |
c->key = key; |
523 |
if (!ctx->item) |
if (!ctx->item) |
631 |
if (c->flags != 0) { |
if (c->flags != 0) { |
632 |
*r_status = c->flags; |
*r_status = c->flags; |
633 |
*r_obj = c; |
*r_obj = c; |
634 |
c->flags = 0; |
c->flags = 0; /* reset update flag. */ |
635 |
return 0; |
return 0; |
636 |
} |
} |
637 |
} |
} |
639 |
} |
} |
640 |
|
|
641 |
|
|
642 |
|
/* Helper to retrieve a GPG key. */ |
643 |
|
static gpgme_error_t |
644 |
|
get_gpg_key (const char *keyid, int is_sec, gpgme_key_t *r_key) |
645 |
|
{ |
646 |
|
gpgme_ctx_t ctx; |
647 |
|
gpgme_error_t err; |
648 |
|
|
649 |
|
err = gpgme_new (&ctx); |
650 |
|
if (err) |
651 |
|
return err; |
652 |
|
gpgme_set_keylist_mode (ctx, GPGME_KEYLIST_MODE_SIGS); |
653 |
|
err = gpgme_get_key (ctx, keyid, r_key, is_sec); |
654 |
|
gpgme_release (ctx); |
655 |
|
return err; |
656 |
|
} |
657 |
|
|
658 |
|
|
659 |
|
/* Fetch a key directly from gpg but without adding |
660 |
|
it to the key cache. Caller must free @r_ctx. */ |
661 |
|
gpgme_error_t |
662 |
|
gpg_keycache_fetch_key (const char *keyid, int is_sec, |
663 |
|
gpgme_key_t *r_key, struct keycache_s **r_c) |
664 |
|
{ |
665 |
|
gpgme_error_t err; |
666 |
|
gpgme_key_t key; |
667 |
|
struct keycache_s *c; |
668 |
|
|
669 |
|
*r_key = NULL; |
670 |
|
*r_c = NULL; |
671 |
|
err = get_gpg_key (keyid, is_sec, &key); |
672 |
|
if (err) |
673 |
|
return err; |
674 |
|
|
675 |
|
c = new keycache_s; |
676 |
|
if (!c) |
677 |
|
BUG (0); |
678 |
|
memset (c, 0, sizeof *c); |
679 |
|
c->gloflags.is_protected = 1; /*default: assume protection. */ |
680 |
|
c->key = key; |
681 |
|
keycache_decode_uid (c); |
682 |
|
*r_key = key; |
683 |
|
*r_c = c; |
684 |
|
return 0; |
685 |
|
} |
686 |
|
|
687 |
|
|
688 |
|
/* Update the key with the keyid @key in the key cache. |
689 |
|
If the key does not exist, it is added otherwise all |
690 |
|
parts are first freed and then replaced with the updated data. */ |
691 |
gpgme_error_t |
gpgme_error_t |
692 |
gpg_keycache_update_key (gpg_keycache_t ctx, int is_sec, |
gpg_keycache_update_key (gpg_keycache_t ctx, int is_sec, |
693 |
void *opaque, const char *keyid) |
void *opaque, const char *keyid) |
694 |
{ |
{ |
|
struct keycache_s *c = NULL, *c_new=NULL; |
|
695 |
gpgme_key_t key=NULL, fndkey=NULL; |
gpgme_key_t key=NULL, fndkey=NULL; |
696 |
gpgme_error_t err; |
gpgme_error_t err; |
697 |
gpgme_ctx_t gctx; |
struct keycache_s *c = NULL, *c_new=NULL; |
698 |
gpg_keycache_t pub = (gpg_keycache_t)opaque; |
gpg_keycache_t pub = (gpg_keycache_t)opaque; |
699 |
|
|
700 |
err = gpgme_new (&gctx); |
err = get_gpg_key (keyid, is_sec, &key); |
|
if (err) |
|
|
return err; |
|
|
gpgme_set_keylist_mode (gctx, GPGME_KEYLIST_MODE_SIGS/*|GPGME_KEYLIST_MODE_SIG_NOTATIONS*/); |
|
|
err = gpgme_get_key (gctx, keyid, &key, is_sec); |
|
|
gpgme_release (gctx); |
|
701 |
if (err) |
if (err) |
702 |
return err; |
return err; |
703 |
err = gpg_keycache_find_key2 (ctx, keyid, 0, &fndkey, &c); |
err = gpg_keycache_find_key2 (ctx, keyid, 0, &fndkey, &c); |
728 |
c->gloflags.divert_to_card = c_new->gloflags.divert_to_card; |
c->gloflags.divert_to_card = c_new->gloflags.divert_to_card; |
729 |
} |
} |
730 |
} |
} |
731 |
if (c) |
if (c != NULL) |
732 |
c->flags = KC_FLAG_ADD; |
c->flags = KC_FLAG_ADD; |
|
|
|
733 |
} |
} |
734 |
|
|
735 |
/* refresh utf8 user ID list. */ |
/* refresh utf8 user ID list. */ |
736 |
if (c != NULL) { |
if (c != NULL && c->key) { |
737 |
free_native_uids (&c->uids); |
free_native_uids (&c->uids); |
738 |
keycache_decode_uid (c); |
keycache_decode_uid (c); |
739 |
} |
} |
758 |
return rc; |
return rc; |
759 |
|
|
760 |
c = ctx->item; |
c = ctx->item; |
761 |
if (c->next == NULL) { |
if (!c) /* empty */ |
762 |
gpgme_key_release (itm->key); |
return 0; |
763 |
safe_free (itm); |
else if (c->next == NULL) { |
764 |
|
if (itm->key) |
765 |
|
gpgme_key_release (itm->key); |
766 |
|
itm->key = NULL; |
767 |
|
free_if_alloc (itm); |
768 |
|
/* the cache has no other items, so we set the context to NULL |
769 |
|
to indicate that the entire cache is empty. */ |
770 |
ctx->item = NULL; |
ctx->item = NULL; |
771 |
} |
} |
772 |
else { |
else { |
776 |
} |
} |
777 |
assert (c != NULL); /* XXX: sometimes access violation. */ |
assert (c != NULL); /* XXX: sometimes access violation. */ |
778 |
c->next = c->next->next; |
c->next = c->next->next; |
779 |
gpgme_key_release (itm->key); |
if (itm->key) |
780 |
safe_free (itm); |
gpgme_key_release (itm->key); |
781 |
|
itm->key = NULL; |
782 |
|
free_if_alloc (itm); |
783 |
} |
} |
784 |
return 0; |
return 0; |
785 |
} |
} |
804 |
return err; |
return err; |
805 |
|
|
806 |
/* XXX: GPGME_KEYLIST_MODE_SIG_NOTATIONS causes an internal error! */ |
/* XXX: GPGME_KEYLIST_MODE_SIG_NOTATIONS causes an internal error! */ |
807 |
gpgme_set_keylist_mode (c, GPGME_KEYLIST_MODE_SIGS/*|GPGME_KEYLIST_MODE_SIG_NOTATIONS*/); |
gpgme_set_keylist_mode (c, GPGME_KEYLIST_MODE_SIGS); |
808 |
err = gpgme_op_keylist_start (c, pattern, secret); |
err = gpgme_op_keylist_start (c, pattern, secret); |
809 |
while(!err) { |
while(!err) { |
810 |
err = gpgme_op_keylist_next (c, &key); |
err = gpgme_op_keylist_next (c, &key); |
818 |
err = gpg_error (GPG_ERR_NO_ERROR); |
err = gpg_error (GPG_ERR_NO_ERROR); |
819 |
keycache_update_photos (ctx); |
keycache_update_photos (ctx); |
820 |
keycache_decode_uids (ctx); |
keycache_decode_uids (ctx); |
|
/* XXX: make sure the progress dialog is closed. */ |
|
821 |
gpgme_op_keylist_end (c); |
gpgme_op_keylist_end (c); |
822 |
gpgme_release (c); |
gpgme_release (c); |
823 |
return err; |
return err; |
824 |
} |
} |
825 |
|
|
826 |
|
|
827 |
/* XXX: kludge to see if the key is stored on a card. */ |
/* Return 1 if we can assume that the actual private key is |
828 |
|
stored on a smart card. This is not bullet proof, but the |
829 |
|
card provides 3 keys (RSA) and each key for a different purpose. */ |
830 |
static int |
static int |
831 |
key_divert_to_card (gpgme_key_t key) |
key_divert_to_card (gpgme_key_t key) |
832 |
{ |
{ |
833 |
gpgme_subkey_t k; |
gpgme_subkey_t k; |
834 |
int n=0, n_alg=0, can_auth = 0; |
int n=0; |
835 |
|
int can_auth = 0, can_encr = 0; |
836 |
|
|
837 |
for (k = key->subkeys; k; k = k->next) { |
for (k = key->subkeys; k; k = k->next) { |
838 |
n++; |
n++; |
839 |
if (k->pubkey_algo == GPGME_PK_RSA && k->length == 1024) |
if (k->pubkey_algo != GPGME_PK_RSA || k->length != 1024) { |
840 |
n_alg++; |
return 0; |
841 |
|
break; |
842 |
|
} |
843 |
if (k->can_authenticate) |
if (k->can_authenticate) |
844 |
can_auth++; |
can_auth++; |
845 |
|
if (k->can_encrypt) |
846 |
|
can_encr++; |
847 |
} |
} |
848 |
if (n == 3 && n_alg == 3 && can_auth == 1) |
if (n >= 3 && can_auth >= 1 && can_encr >= 1) |
849 |
return 1; |
return 1; |
850 |
return 0; |
return 0; |
851 |
} |
} |
859 |
|
|
860 |
while (prefs[pos] != 0) |
while (prefs[pos] != 0) |
861 |
pos++; |
pos++; |
862 |
p = (unsigned char*)calloc (1, pos+1); |
p = safe_uchar_alloc (pos+1); |
863 |
if (!p) |
memset (p, 0, pos+1); |
|
BUG (0); |
|
864 |
memcpy (p, prefs, pos); |
memcpy (p, prefs, pos); |
865 |
return p; |
return p; |
866 |
} |
} |
867 |
|
|
868 |
|
|
869 |
|
/* Sync the secret and the public key cache information. */ |
870 |
gpgme_error_t |
gpgme_error_t |
871 |
gpg_keycache_sync (gpg_keycache_t pub, gpg_keycache_t sec) |
gpg_keycache_sync (gpg_keycache_t pub, gpg_keycache_t sec) |
872 |
{ |
{ |
876 |
if (!pub || !sec) |
if (!pub || !sec) |
877 |
return gpg_error (GPG_ERR_INV_ARG); |
return gpg_error (GPG_ERR_INV_ARG); |
878 |
|
|
879 |
for (c=sec->item; c; c=c->next) { |
for (c=sec->item; c; c=c->next) { |
880 |
if (!gpg_keycache_find_key2 (pub, c->key->subkeys->keyid, 0, &key, &c_sec)) { |
if (!gpg_keycache_find_key2 (pub, c->key->subkeys->keyid, 0, |
881 |
|
&key, &c_sec)) { |
882 |
c_sec->gloflags.is_protected = c->gloflags.is_protected; |
c_sec->gloflags.is_protected = c->gloflags.is_protected; |
883 |
c_sec->gloflags.divert_to_card = c->gloflags.divert_to_card; |
c_sec->gloflags.divert_to_card = c->gloflags.divert_to_card; |
884 |
if (!c->gloflags.divert_to_card) |
if (!c->gloflags.divert_to_card) |
935 |
} |
} |
936 |
if (ctx->tmp->flags != 0) |
if (ctx->tmp->flags != 0) |
937 |
ctx->tmp->flags = 0; /* reset the 'updated' status. */ |
ctx->tmp->flags = 0; /* reset the 'updated' status. */ |
938 |
|
|
939 |
/* it might be possible there is no public key. */ |
/* it might be possible there is no public key. */ |
940 |
if (flags && ctx->tmp->pubpart == NULL) |
if (flags && ctx->tmp->pubpart == NULL) |
941 |
flags = 0; |
flags = 0; |
942 |
*r_key = flags? ctx->tmp->pubpart->key : ctx->tmp->key; |
*r_key = flags? ctx->tmp->pubpart->key : ctx->tmp->key; |
943 |
*c = ctx->tmp; |
*c = ctx->tmp; |
944 |
ctx->tmp = ctx->tmp->next; |
ctx->tmp = ctx->tmp->next; |
945 |
ctx->pos++; |
ctx->pos++; |
946 |
|
|
947 |
return 0; |
return 0; |
961 |
return err; |
return err; |
962 |
} |
} |
963 |
|
|
964 |
|
|
965 |
gpgme_error_t |
gpgme_error_t |
966 |
gpg_keycache_next_key2 (gpg_keycache_t ctx, int flags, |
gpg_keycache_next_key2 (gpg_keycache_t ctx, int flags, |
967 |
struct keycache_s **c, gpgme_key_t *r_key) |
struct keycache_s **c, gpgme_key_t *r_key) |
1012 |
} |
} |
1013 |
|
|
1014 |
|
|
1015 |
|
/* FIXME: rewrite the subpacket part */ |
1016 |
|
void unhexify_buffer (const char *in, char **r_out); |
1017 |
|
|
1018 |
static gpgme_error_t |
static gpgme_error_t |
1019 |
decode_subpacket (const char *subpkt_data, int *type, |
decode_subpacket (const char *subpkt_data, int *type, |
1020 |
char **out, WORD *outlen) |
char **out, WORD *outlen) |
1021 |
{ |
{ |
1022 |
char tmp[128], *val; |
char tmp[128], *val; |
1023 |
char *enc = NULL; |
char *enc = NULL; |
1024 |
size_t pos = 0, i=0; |
size_t pos = 0; |
1025 |
|
|
1026 |
/* example: spk:24:1:21:http%3A//subkeys.pgp.de */ |
/* example: spk:24:1:21:http%3A//subkeys.pgp.de */ |
1027 |
*outlen = 0; |
*outlen = 0; |
1030 |
if (strncmp (subpkt_data, "spk:", 4)) |
if (strncmp (subpkt_data, "spk:", 4)) |
1031 |
return gpg_error (GPG_ERR_NO_DATA); |
return gpg_error (GPG_ERR_NO_DATA); |
1032 |
|
|
1033 |
strncpy (tmp, subpkt_data, 62); |
/* XXX: do not use static buffer sizes. */ |
1034 |
|
strncpy (tmp, subpkt_data, DIM (tmp)-4); |
1035 |
val = strtok (tmp, ":"); |
val = strtok (tmp, ":"); |
1036 |
while (val != NULL) { |
while (val != NULL) { |
1037 |
switch (pos++) { |
switch (pos++) { |
1051 |
break; |
break; |
1052 |
|
|
1053 |
case 4: |
case 4: |
1054 |
enc = strdup (val); |
enc = m_strdup (val); |
1055 |
break; |
break; |
1056 |
} |
} |
1057 |
val = strtok (NULL, ":"); |
val = strtok (NULL, ":"); |
1058 |
} |
} |
1059 |
if (!enc) |
if (!enc) |
1060 |
return gpg_error (GPG_ERR_NO_DATA);; |
return gpg_error (GPG_ERR_NO_DATA); |
1061 |
*out = (char*)calloc (1, strlen (enc)+1); |
unhexify_buffer (enc, out); |
1062 |
if (!*out) |
free_if_alloc (enc); |
|
BUG (0); |
|
|
for (pos = 0; pos < strlen (enc); pos++) { |
|
|
if (enc[pos] == '%' && enc[pos+1] == '%') |
|
|
(*out)[i++] = '%'; |
|
|
else if (enc[pos] == '%') { |
|
|
char temp[3]; |
|
|
temp[0] = enc[++pos]; |
|
|
temp[1] = enc[++pos]; |
|
|
temp[2] = 0; |
|
|
(*out)[i++] = (char)strtoul (temp, NULL, 16); |
|
|
} |
|
|
else |
|
|
(*out)[i++] = enc[pos]; |
|
|
} |
|
|
(*out)[i] = 0; |
|
|
safe_free (enc); |
|
1063 |
return 0; |
return 0; |
1064 |
} |
} |
1065 |
|
|
1078 |
case KC_ATTR_PREFSYM: |
case KC_ATTR_PREFSYM: |
1079 |
if (!force && item->sym_prefs) |
if (!force && item->sym_prefs) |
1080 |
break; |
break; |
1081 |
safe_free (item->sym_prefs); |
free_if_alloc (item->sym_prefs); |
1082 |
err = gpg_find_key_subpacket (item->key->subkeys->keyid+8, attr, &val); |
err = gpg_find_key_subpacket (item->key->subkeys->keyid+8, attr, &val); |
1083 |
if (!err && val != NULL) |
if (!err && val != NULL) |
1084 |
err = decode_subpacket (val, NULL, (char**)&item->sym_prefs, &n); |
err = decode_subpacket (val, NULL, (char**)&item->sym_prefs, &n); |
1087 |
case KC_ATTR_PREFKSERV: |
case KC_ATTR_PREFKSERV: |
1088 |
if (!force && item->pref_keyserver) |
if (!force && item->pref_keyserver) |
1089 |
break; |
break; |
1090 |
safe_free (item->pref_keyserver); |
free_if_alloc (item->pref_keyserver); |
1091 |
err = gpg_find_key_subpacket (item->key->subkeys->keyid+8, attr, &val); |
err = gpg_find_key_subpacket (item->key->subkeys->keyid+8, attr, &val); |
1092 |
if (!err && val != NULL) |
if (!err && val != NULL) |
1093 |
err = decode_subpacket (val, NULL, &item->pref_keyserver, &n); |
err = decode_subpacket (val, NULL, &item->pref_keyserver, &n); |
1094 |
|
if (!err && item->pref_keyserver) |
1095 |
|
err = parse_keyserver_url (&item->pref_keyserver, |
1096 |
|
&item->pref_keyserver_port); |
1097 |
break; |
break; |
1098 |
} |
} |
1099 |
safe_free (val); |
safe_free (val); |