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Code Activity

* free-packet.c (copy_secret_key): Fixed memory leak when D is not

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NULL.

* passphrase.c (passphrase_to_dek): Added a few comments to the
code.
This commit is contained in:
Werner Koch 2004-06-16 09:09:31 +00:00
parent 7e165d9758
commit 5c9cc2e867
3 changed files with 36 additions and 1 deletions
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8
g10/ChangeLog
View File

@ -1,3 +1,11 @@
2004-06-16 Werner Koch <wk@gnupg.org>
* free-packet.c (copy_secret_key): Fixed memory leak when D is not
NULL.
* passphrase.c (passphrase_to_dek): Added a few comments to the
code.
2004-05-26 David Shaw <dshaw@jabberwocky.com>
* keyserver.c (keyserver_refresh): Keep track of keys already

8
g10/free-packet.c
View File

@ -265,10 +265,18 @@ copy_secret_key( PKT_secret_key *d, PKT_secret_key *s )
memcpy( d, s, sizeof *d );
n = pubkey_get_nskey( s->pubkey_algo );
if( !n )
{
if (d->skey[0])
mpi_free (d->skey[0]);
d->skey[0] = mpi_copy(s->skey[0]);
}
else {
for(i=0; i < n; i++ )
{
if (d->skey[1])
mpi_free (d->skey[1]);
d->skey[i] = mpi_copy( s->skey[i] );
}
}
return d;
}

21
g10/passphrase.c
View File

@ -1057,7 +1057,13 @@ ask_passphrase (const char *description,
}
/* Return a new DEK object Using the string-to-key sepcifier S2K. Use
* KEYID and PUBKEY_ALGO to prompt the user.
MODE 0: Allow cached passphrase
1: Ignore cached passphrase
2: Ditto, but change the text to "repeat entry"
*/
DEK *
passphrase_to_dek( u32 *keyid, int pubkey_algo,
int cipher_algo, STRING2KEY *s2k, int mode,
@ -1078,9 +1084,11 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
s2k->hash_algo = opt.s2k_digest_algo;
}
/* If we do not have a passphrase available in NEXT_PW and status
information are request, we print them now. */
if( !next_pw && is_status_enabled() ) {
char buf[50];
if( keyid ) {
u32 used_kid[2];
char *us;
@ -1111,6 +1119,10 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
}
}
/* If we do have a keyID, we do not have a passphrase available in
NEXT_PW, we are not running in batch mode and we do not want to
ignore the passphrase cache (mode!=1), print a prompt with
information on that key. */
if( keyid && !opt.batch && !next_pw && mode!=1 ) {
PKT_public_key *pk = m_alloc_clear( sizeof *pk );
size_t n;
@ -1149,10 +1161,12 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
agent_died:
if( next_pw ) {
/* Simply return the passpharse we already have in NEXT_PW. */
pw = next_pw;
next_pw = NULL;
}
else if ( opt.use_agent ) {
/* Divert to teh gpg-agent. */
pw = agent_get_passphrase ( keyid, mode == 2? 1: 0,
tryagain_text, canceled );
if (!pw)
@ -1182,6 +1196,7 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
}
}
else if( fd_passwd ) {
/* Return the passphrase we have store in FD_PASSWD. */
pw = m_alloc_secure( strlen(fd_passwd)+1 );
strcpy( pw, fd_passwd );
}
@ -1190,6 +1205,7 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
pw = m_strdup( "" ); /* return an empty passphrase */
}
else {
/* Read the passphrase from the tty or the command-fd. */
pw = cpr_get_hidden("passphrase.enter", _("Enter passphrase: ") );
tty_kill_prompt();
if( mode == 2 && !cpr_enabled() ) {
@ -1208,6 +1224,9 @@ passphrase_to_dek( u32 *keyid, int pubkey_algo,
if( !pw || !*pw )
write_status( STATUS_MISSING_PASSPHRASE );
/* Hash the passphrase and store it in a newly allocated DEK
object. Keep a copy of the passphrase in LAST_PW for use by
get_last_passphrase(). */
dek = m_alloc_secure_clear ( sizeof *dek );
dek->algo = cipher_algo;
if( !*pw && mode == 2 )