gnupg2/gnupg-2.2.21-coverity.patch

diff -up gnupg-2.2.21/common/server-help.c.coverity gnupg-2.2.21/common/server-help.c
--- gnupg-2.2.21/common/server-help.c.coverity 2019-02-11 10:59:34.000000000 +0100
+++ gnupg-2.2.21/common/server-help.c  2020-07-20 17:09:57.416148768 +0200
@@ -156,7 +156,7 @@ get_option_value (char *line, const char
   *pend = 0;
   *r_value = xtrystrdup (p);
   *pend = c;
-  if (!p)
+  if (!*r_value)
     return my_error_from_syserror ();
   return 0;
 }

From 7a707a3eff1c3fbe17a74337776871f408377cee Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Fri, 9 Apr 2021 16:13:07 +0200
Subject: [PATCH GnuPG 03/19] g10: Fix memory leaks

* g10/card-util.c (change_pin): free answer on errors
  (ask_card_keyattr): free answer on error
* g10/cpr.c (do_get_from_fd): free string
* g10/gpg.c (check_permissions): free dir on weird error
* g10/import.c (append_new_uid): release knode
* g10/keyedit.c (menu_set_keyserver_url): free answer
  (menu_set_keyserver_url): free user
* g10/keygen.c (print_status_key_not_created): move allocation after
  sanity check
  (ask_expire_interval): free answer
  (card_store_key_with_backup): goto leave instaed of return
* g10/keyserver.c (parse_keyserver_uri): goto fail instead of return
* g10/revoke.c (gen_desig_revoke): release kdbhd
  (gen_desig_revoke): free answer
* g10/tofu.c (ask_about_binding): free sqerr and response
* g10/trustdb.c (ask_ownertrust): free pk

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 g10/card-util.c | 14 +++++++++++---
 g10/cpr.c       |  6 +++++-
 g10/gpg.c       |  1 +
 g10/import.c    |  5 ++++-
 g10/keyedit.c   |  8 +++++++-
 g10/keygen.c    | 15 +++++++++++----
 g10/keyserver.c |  2 +-
 g10/revoke.c    |  6 +++++-
 g10/tofu.c      |  4 ++++
 g10/trustdb.c   |  1 +
 10 files changed, 50 insertions(+), 12 deletions(-)

diff --git a/g10/card-util.c b/g10/card-util.c
index 36f096f06..c7df8380d 100644
--- a/g10/card-util.c
+++ b/g10/card-util.c
@@ -127,7 +127,7 @@ change_pin (int unblock_v2, int allow_admin)
   else
     for (;;)
       {
-	char *answer;
+	char *answer = NULL;
 
 	tty_printf ("\n");
 	tty_printf ("1 - change PIN\n"
diff --git a/g10/tofu.c b/g10/tofu.c
index f49083844..83786a08d 100644
--- a/g10/tofu.c
+++ b/g10/tofu.c
@@ -1687,6 +1687,8 @@ ask_about_binding (ctrl_t ctrl,
          GPGSQL_ARG_END);
       if (rc)
         {
+          sqlite3_free (sqerr);
+          sqerr = NULL;
           rc = gpg_error (GPG_ERR_GENERAL);
           break;
         }
-- 
2.30.2


From 7c8048b686a6e811d0b24febf3c5e2528e7881f1 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Tue, 13 Apr 2021 16:23:31 +0200
Subject: [PATCH GnuPG 14/19] dirmgr: Avoid memory leaks

* dirmngr/domaininfo.c (insert_or_update): free di_new

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 dirmngr/domaininfo.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/dirmngr/domaininfo.c b/dirmngr/domaininfo.c
index b41aef366..87782b4b1 100644
--- a/dirmngr/domaininfo.c
+++ b/dirmngr/domaininfo.c
@@ -193,6 +193,7 @@ insert_or_update (const char *domain,
           log_error ("domaininfo: error allocating helper array: %s\n",
                      gpg_strerror (gpg_err_code_from_syserror ()));
           drop_extra = bucket;
+          xfree (di_new);
           goto leave;
         }
       narray = 0;
-- 
2.30.2


From ab3b8c53993b3305088efde756a44bac6e6492d4 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Tue, 13 Apr 2021 16:34:40 +0200
Subject: [PATCH GnuPG 15/19] scd: Avoid memory leaks and uninitialized memory

* scd/app-piv.c (do_decipher): goto leave, initialize outdatalen

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 scd/app-piv.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/scd/app-piv.c b/scd/app-piv.c
index 143cc047a..94257f0ee 100644
--- a/scd/app-piv.c
+++ b/scd/app-piv.c
@@ -2483,7 +2483,7 @@ do_decipher (app_t app, ctrl_t ctrl, const char *keyidstr,
   gpg_error_t err;
   data_object_t dobj;
   unsigned char *outdata = NULL;
-  size_t outdatalen;
+  size_t outdatalen = 0;
   const unsigned char *s;
   size_t n;
   int keyref, mechanism;
@@ -2582,7 +2582,7 @@ do_decipher (app_t app, ctrl_t ctrl, const char *keyidstr,
   /* Now verify the Application PIN.  */
   err = verify_chv (app, ctrl, 0x80, 0, pincb, pincb_arg);
   if (err)
-    return err;
+    goto leave;
 
   /* Build the Dynamic Authentication Template.  */
   err = concat_tlv_list (0, &apdudata, &apdudatalen,
-- 
2.30.2


From f182bf91443618323e34261039045a6bde269be5 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Tue, 13 Apr 2021 16:44:48 +0200
Subject: [PATCH GnuPG 16/19] tools: Avoid memory leaks

* tools/wks-util.c (wks_cmd_print_wkd_url): Free addrspec on error
  (wks_cmd_print_wkd_hash): Free addrspec on error

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 tools/wks-util.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/tools/wks-util.c b/tools/wks-util.c
index 516c7fe00..38dd194ff 100644
--- a/tools/wks-util.c
+++ b/tools/wks-util.c
@@ -1192,11 +1192,14 @@ gpg_error_t
 wks_cmd_print_wkd_hash (const char *userid)
 {
   gpg_error_t err;
-  char *addrspec, *fname;
+  char *addrspec = NULL, *fname;
 
   err = wks_fname_from_userid (userid, 1, &fname, &addrspec);
   if (err)
-    return err;
+    {
+      xfree (addrspec);
+      return err;
+    }
 
   es_printf ("%s %s\n", fname, addrspec);
 
@@ -1211,12 +1214,15 @@ gpg_error_t
 wks_cmd_print_wkd_url (const char *userid)
 {
   gpg_error_t err;
-  char *addrspec, *fname;
+  char *addrspec = NULL, *fname;
   char *domain;
 
   err = wks_fname_from_userid (userid, 1, &fname, &addrspec);
   if (err)
-    return err;
+    {
+      xfree (addrspec);
+      return err;
+    }
 
   domain = strchr (addrspec, '@');
   if (domain)
-- 
2.30.2


From 600fabd8268c765d45d48873e7a8610e6dae0966 Mon Sep 17 00:00:00 2001
From: Jakub Jelen <jjelen@redhat.com>
Date: Wed, 14 Apr 2021 15:59:12 +0200
Subject: [PATCH GnuPG 17/19] scd: Use the same allocator to free memory

* scd/command.c (cmd_getinfo): Use free instead of gcry_free to match
  the original allocator

--

Signed-off-by: Jakub Jelen <jjelen@redhat.com>
---
 scd/command.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/scd/command.c b/scd/command.c
index cb0dd379a..9d85c5a41 100644
--- a/scd/command.c
+++ b/scd/command.c
@@ -1832,7 +1832,8 @@ cmd_getinfo (assuan_context_t ctx, char *line)
         rc = assuan_send_data (ctx, p, strlen (p));
       else
         rc = gpg_error (GPG_ERR_NO_DATA);
-      xfree (p);
+      /* allocated by scd/ccid-driver.c which is not using x*alloc/gcry_* */
+      free (p);
     }
   else if (!strcmp (line, "deny_admin"))
     rc = opt.allow_admin? gpg_error (GPG_ERR_GENERAL) : 0;
-- 
2.30.2