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gpg: Fix printing of the user id during import.

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* g10/getkey.c (struct keyid_list): Add field fprlen.
(cache_user_id): Set and test it.
(get_user_id_byfpr): Make static, add arg fprlen and use it.
(get_user_id_byfpr_native): Add arg fprlen and change all callers.
--

This was a regression in the 2.3 base.
GnuPG-bug-id: 3801

Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2019-04-05 17:02:43 +02:00
parent 958172cc3a
commit ea32842d5c
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
3 changed files with 17 additions and 14 deletions
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22
g10/getkey.c
View File

@ -112,6 +112,7 @@ static struct
typedef struct keyid_list
{
struct keyid_list *next;
byte fprlen;
char fpr[MAX_FINGERPRINT_LEN];
u32 keyid[2];
} *keyid_list_t;
@ -311,6 +312,7 @@ cache_user_id (KBNODE keyblock)
size_t uidlen;
keyid_list_t keyids = NULL;
KBNODE k;
size_t n;
for (k = keyblock; k; k = k->next)
{
@ -320,7 +322,8 @@ cache_user_id (KBNODE keyblock)
keyid_list_t a = xmalloc_clear (sizeof *a);
/* Hmmm: For a long list of keyids it might be an advantage
* to append the keys. */
fingerprint_from_pk (k->pkt->pkt.public_key, a->fpr, NULL);
fingerprint_from_pk (k->pkt->pkt.public_key, a->fpr, &n);
a->fprlen = n;
keyid_from_pk (k->pkt->pkt.public_key, a->keyid);
/* First check for duplicates. */
for (r = user_id_db; r; r = r->next)
@ -329,7 +332,8 @@ cache_user_id (KBNODE keyblock)
for (b = r->keyids; b; b = b->next)
{
if (!memcmp (b->fpr, a->fpr, MAX_FINGERPRINT_LEN))
if (b->fprlen == a->fprlen
&& !memcmp (b->fpr, a->fpr, a->fprlen))
{
if (DBG_CACHE)
log_debug ("cache_user_id: already in cache\n");
@ -1637,7 +1641,7 @@ get_pubkey_fromfile (ctrl_t ctrl, PKT_public_key *pk, const char *fname)
*
* FPRINT is a byte array whose contents is the fingerprint to use as
* the search term. FPRINT_LEN specifies the length of the
* fingerprint (in bytes). Currently, only 16 and 20-byte
* fingerprint (in bytes). Currently, only 16, 20, and 32-byte
* fingerprints are supported.
*
* FIXME: We should replace this with the _byname function. This can
@ -3943,8 +3947,8 @@ get_user_id_native (ctrl_t ctrl, u32 *keyid)
returned string, which must be freed using xfree, may not be NUL
terminated. To determine the length of the string, you must use
*RN. */
char *
get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t *rn)
static char *
get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t fprlen, size_t *rn)
{
user_id_db_t r;
char *p;
@ -3958,7 +3962,7 @@ get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t *rn)
keyid_list_t a;
for (a = r->keyids; a; a = a->next)
{
if (!memcmp (a->fpr, fpr, MAX_FINGERPRINT_LEN))
if (a->fprlen == fprlen && !memcmp (a->fpr, fpr, fprlen))
{
/* An empty string as user id is possible. Make
sure that the malloc allocates one byte and does
@ -3972,7 +3976,7 @@ get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t *rn)
}
}
while (++pass < 2
&& !get_pubkey_byfprint (ctrl, NULL, NULL, fpr, MAX_FINGERPRINT_LEN));
&& !get_pubkey_byfprint (ctrl, NULL, NULL, fpr, fprlen));
p = xstrdup (user_id_not_found_utf8 ());
*rn = strlen (p);
return p;
@ -3982,10 +3986,10 @@ get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t *rn)
encoding. The returned string needs to be freed. Unlike
get_user_id_byfpr, the returned string is NUL terminated. */
char *
get_user_id_byfpr_native (ctrl_t ctrl, const byte *fpr)
get_user_id_byfpr_native (ctrl_t ctrl, const byte *fpr, size_t fprlen)
{
size_t rn;
char *p = get_user_id_byfpr (ctrl, fpr, &rn);
char *p = get_user_id_byfpr (ctrl, fpr, fprlen, &rn);
char *p2 = utf8_to_native (p, rn, 0);
xfree (p);
return p2;

6
g10/import.c
View File

@ -2028,7 +2028,7 @@ import_one (ctrl_t ctrl,
/* We are ready. */
if (!opt.quiet && !silent)
{
char *p = get_user_id_byfpr_native (ctrl, fpr2);
char *p = get_user_id_byfpr_native (ctrl, fpr2, fpr2len);
log_info (_("key %s: public key \"%s\" imported\n"),
keystr(keyid), p);
xfree(p);
@ -2114,7 +2114,7 @@ import_one (ctrl_t ctrl,
/* We are ready. */
if (!opt.quiet && !silent)
{
char *p = get_user_id_byfpr_native (ctrl, fpr2);
char *p = get_user_id_byfpr_native (ctrl, fpr2, fpr2len);
if (n_uids == 1 )
log_info( _("key %s: \"%s\" 1 new user ID\n"),
keystr(keyid),p);
@ -2175,7 +2175,7 @@ import_one (ctrl_t ctrl,
if (!opt.quiet && !silent)
{
char *p = get_user_id_byfpr_native (ctrl, fpr2);
char *p = get_user_id_byfpr_native (ctrl, fpr2, fpr2len);
log_info( _("key %s: \"%s\" not changed\n"),keystr(keyid),p);
xfree(p);
}

3
g10/keydb.h
View File

@ -436,8 +436,7 @@ char *get_user_id_string_native (ctrl_t ctrl, u32 *keyid);
char *get_long_user_id_string (ctrl_t ctrl, u32 *keyid);
char *get_user_id (ctrl_t ctrl, u32 *keyid, size_t *rn, int *r_nouid);
char *get_user_id_native (ctrl_t ctrl, u32 *keyid);
char *get_user_id_byfpr (ctrl_t ctrl, const byte *fpr, size_t *rn);
char *get_user_id_byfpr_native (ctrl_t ctrl, const byte *fpr);
char *get_user_id_byfpr_native (ctrl_t ctrl, const byte *fpr, size_t fprlen);
void release_akl(void);
int parse_auto_key_locate(const char *options);