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agent: Avoid memory leaks in error code paths.

Browse source 
* agent/command.c (cmd_genkey): Use goto instead of return.
* agent/cvt-openpgp.c (convert_from_openpgp_main): Ditto.
* agent/genkey.c (agent_ask_new_passphrase): Fix typo to free correct
pointer
(agent_genkey): Release memory
* agent/gpg-agent.c (check_own_socket): Free sockname
* agent/protect-tool.c (read_key): Free buf.
(agent_askpin): Free passphrase

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>

Changed original patch to not add a free before a GPG_ERR_BUG.

Signed-off-by: Werner Koch <wk@gnupg.org>
GnuPG-bug-id: 5393
This commit is contained in:
Jakub Jelen 2021-05-20 10:13:51 +02:00 • committed by Werner Koch
parent a660e10606
commit a95ddffdcd
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GPG key ID: E3FDFF218E45B72B
6 changed files with 23 additions and 8 deletions
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5
agent/cvt-openpgp.c
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@ -964,7 +964,10 @@ convert_from_openpgp_main (ctrl_t ctrl, gcry_sexp_t s_pgp, int dontcare_exist,
pi = xtrycalloc_secure (1, sizeof (*pi) + MAX_PASSPHRASE_LEN + 1);
if (!pi)
return gpg_error_from_syserror ();
{
err = gpg_error_from_syserror ();
goto leave;
}
pi->max_length = MAX_PASSPHRASE_LEN + 1;
pi->min_digits = 0; /* We want a real passphrase. */
pi->max_digits = 16;