Revert "libcroco: Add fix for CVE-2020-12825"

This reverts commit 522603beb6d88ad6ea443806bb986096d5b766e6.

This change was for oe-core not meta-oe repository, creating
unused directory "meta" which doesn't belong here.

Signed-off-by: Martin Jansa <martin.jansa@gmail.com>
Signed-off-by: Armin Kuster <akuster808@gmail.com>

2 files changed, 0 insertions, 212 deletions

diff --git a/meta/recipes-support/libcroco/libcroco/CVE-2020-12825.patch b/meta/recipes-support/libcroco/libcroco/CVE-2020-12825.patch
deleted file mode 100644
index 8e58f73097..0000000000
--- a/meta/recipes-support/libcroco/libcroco/CVE-2020-12825.patch
+++ /dev/null
@@ -1,190 +0,0 @@
-From 203d62efefe6f79080863dda61593003b4c31f25 Mon Sep 17 00:00:00 2001
-From: Michael Catanzaro <mcatanzaro@gnome.org>
-Date: Thu, 13 Aug 2020 20:03:05 -0500
-Subject: [PATCH] libcroco parser: limit recursion in block and any productions
-
-If we don't have any limits, we can recurse forever and overflow the
-stack.
-
-This is for CVE-2020-12825: Stack overflow in cr_parser_parse_any_core
-in cr-parser.c.
-
-Bug: https://gitlab.gnome.org/Archive/libcroco/-/issues/8
-Patch from https://gitlab.gnome.org/Archive/libcroco/-/merge_requests/5
-
-CVE: CVE-2020-12825
-Upstream Status: Backport [https://gitlab.com/inkscape/inkscape/-/commit/203d62efefe6f79080863dda61593003b4c31f25.patch]
----
- src/cr-parser.c | 44 ++++++++++++++++++++-----------
- 1 file changed, 29 insertions(+), 15 deletions(-)
-
-diff --git a/src/cr-parser.c b/src/cr-parser.c
-index d85e71f0fc..cd7b6ebd4a 100644
---- a/src/cr-parser.c
-+++ b/src/cr-parser.c
-@@ -136,6 +136,8 @@ struct _CRParserPriv {
-
- #define CHARS_TAB_SIZE 12
-
-+#define RECURSIVE_CALLERS_LIMIT 100
-+
- /**
-  * IS_NUM:
-  *@a_char: the char to test.
-@@ -343,9 +345,11 @@ static enum CRStatus cr_parser_parse_selector_core (CRParser * a_this);
-
- static enum CRStatus cr_parser_parse_declaration_core (CRParser * a_this);
-
--static enum CRStatus cr_parser_parse_any_core (CRParser * a_this);
-+static enum CRStatus cr_parser_parse_any_core (CRParser * a_this,
-+                                               guint      n_calls);
-
--static enum CRStatus cr_parser_parse_block_core (CRParser * a_this);
-+static enum CRStatus cr_parser_parse_block_core (CRParser * a_this,
-+                                                 guint      n_calls);
-
- static enum CRStatus cr_parser_parse_value_core (CRParser * a_this);
-
-@@ -783,7 +787,7 @@ cr_parser_parse_atrule_core (CRParser * a_this)
-         cr_parser_try_to_skip_spaces_and_comments (a_this);
-
-         do {
--                status = cr_parser_parse_any_core (a_this);
-+                status = cr_parser_parse_any_core (a_this, 0);
-         } while (status == CR_OK);
-
-         status = cr_tknzr_get_next_token (PRIVATE (a_this)->tknzr,
-@@ -794,7 +798,7 @@ cr_parser_parse_atrule_core (CRParser * a_this)
-                 cr_tknzr_unget_token (PRIVATE (a_this)->tknzr,
-                                       token);
-                 token = NULL;
--                status = cr_parser_parse_block_core (a_this);
-+                status = cr_parser_parse_block_core (a_this, 0);
-                 CHECK_PARSING_STATUS (status,
-                                       FALSE);
-                 goto done;
-@@ -929,11 +933,11 @@ cr_parser_parse_selector_core (CRParser * a_this)
-
-         RECORD_INITIAL_POS (a_this, &init_pos);
-
--        status = cr_parser_parse_any_core (a_this);
-+        status = cr_parser_parse_any_core (a_this, 0);
-         CHECK_PARSING_STATUS (status, FALSE);
-
-         do {
--                status = cr_parser_parse_any_core (a_this);
-+                status = cr_parser_parse_any_core (a_this, 0);
-
-         } while (status == CR_OK);
-
-@@ -955,10 +959,12 @@ cr_parser_parse_selector_core (CRParser * a_this)
-  *in chapter 4.1 of the css2 spec.
-  *block ::= '{' S* [ any | block | ATKEYWORD S* | ';' ]* '}' S*;
-  *@param a_this the current instance of #CRParser.
-+ *@param n_calls used to limit recursion depth
-  *FIXME: code this function.
-  */
- static enum CRStatus
--cr_parser_parse_block_core (CRParser * a_this)
-+cr_parser_parse_block_core (CRParser * a_this,
-+                            guint      n_calls)
- {
-         CRToken *token = NULL;
-         CRInputPos init_pos;
-@@ -966,6 +972,9 @@ cr_parser_parse_block_core (CRParser * a_this)
-
-         g_return_val_if_fail (a_this && PRIVATE (a_this), CR_BAD_PARAM_ERROR);
-
-+        if (n_calls > RECURSIVE_CALLERS_LIMIT)
-+                return CR_ERROR;
-+
-         RECORD_INITIAL_POS (a_this, &init_pos);
-
-         status = cr_tknzr_get_next_token (PRIVATE (a_this)->tknzr, &token);
-@@ -995,13 +1004,13 @@ cr_parser_parse_block_core (CRParser * a_this)
-         } else if (token->type == CBO_TK) {
-                 cr_tknzr_unget_token (PRIVATE (a_this)->tknzr, token);
-                 token = NULL;
--                status = cr_parser_parse_block_core (a_this);
-+                status = cr_parser_parse_block_core (a_this, n_calls + 1);
-                 CHECK_PARSING_STATUS (status, FALSE);
-                 goto parse_block_content;
-         } else {
-                 cr_tknzr_unget_token (PRIVATE (a_this)->tknzr, token);
-                 token = NULL;
--                status = cr_parser_parse_any_core (a_this);
-+                status = cr_parser_parse_any_core (a_this, n_calls + 1);
-                 CHECK_PARSING_STATUS (status, FALSE);
-                 goto parse_block_content;
-         }
-@@ -1108,7 +1117,7 @@ cr_parser_parse_value_core (CRParser * a_this)
-                 status = cr_tknzr_unget_token (PRIVATE (a_this)->tknzr,
-                                                token);
-                 token = NULL;
--                status = cr_parser_parse_block_core (a_this);
-+                status = cr_parser_parse_block_core (a_this, 0);
-                 CHECK_PARSING_STATUS (status, FALSE);
-                 ref++;
-                 goto continue_parsing;
-@@ -1122,7 +1131,7 @@ cr_parser_parse_value_core (CRParser * a_this)
-                 status = cr_tknzr_unget_token (PRIVATE (a_this)->tknzr,
-                                                token);
-                 token = NULL;
--                status = cr_parser_parse_any_core (a_this);
-+                status = cr_parser_parse_any_core (a_this, 0);
-                 if (status == CR_OK) {
-                         ref++;
-                         goto continue_parsing;
-@@ -1162,10 +1162,12 @@
-  *        | FUNCTION | DASHMATCH | '(' any* ')' | '[' any* ']' ] S*;
-  *
-  *@param a_this the current instance of #CRParser.
-+ *@param n_calls used to limit recursion depth
-  *@return CR_OK upon successfull completion, an error code otherwise.
-  */
- static enum CRStatus
--cr_parser_parse_any_core (CRParser * a_this)
-+cr_parser_parse_any_core (CRParser * a_this,
-+                          guint      n_calls)
- {
-         CRToken *token1 = NULL,
-                 *token2 = NULL;
-@@ -1173,6 +1184,9 @@ cr_parser_parse_any_core (CRParser * a_this)
-
-         g_return_val_if_fail (a_this, CR_BAD_PARAM_ERROR);
-
-+        if (n_calls > RECURSIVE_CALLERS_LIMIT)
-+                return CR_ERROR;
-+
-         RECORD_INITIAL_POS (a_this, &init_pos);
-
-         status = cr_tknzr_get_next_token (PRIVATE (a_this)->tknzr, &token1);
-@@ -1211,7 +1225,7 @@ cr_parser_parse_any_core (CRParser * a_this)
-                  *We consider parameter as being an "any*" production.
-                  */
-                 do {
--                        status = cr_parser_parse_any_core (a_this);
-+                        status = cr_parser_parse_any_core (a_this, n_calls + 1);
-                 } while (status == CR_OK);
-
-                 ENSURE_PARSING_COND (status == CR_PARSING_ERROR);
-@@ -1236,7 +1250,7 @@ cr_parser_parse_any_core (CRParser * a_this)
-                 }
-
-                 do {
--                        status = cr_parser_parse_any_core (a_this);
-+                        status = cr_parser_parse_any_core (a_this, n_calls + 1);
-                 } while (status == CR_OK);
-
-                 ENSURE_PARSING_COND (status == CR_PARSING_ERROR);
-@@ -1264,7 +1278,7 @@ cr_parser_parse_any_core (CRParser * a_this)
-                 }
-
-                 do {
--                        status = cr_parser_parse_any_core (a_this);
-+                        status = cr_parser_parse_any_core (a_this, n_calls + 1);
-                 } while (status == CR_OK);
-
-                 ENSURE_PARSING_COND (status == CR_PARSING_ERROR);
---
-GitLab
diff --git a/meta/recipes-support/libcroco/libcroco_0.6.13.bb b/meta/recipes-support/libcroco/libcroco_0.6.13.bb
deleted file mode 100644
index fd5927e014..0000000000
--- a/meta/recipes-support/libcroco/libcroco_0.6.13.bb
+++ /dev/null
@@ -1,22 +0,0 @@
-SUMMARY = "Cascading Style Sheet (CSS) parsing and manipulation toolkit"
-HOMEPAGE = "http://www.gnome.org/"
-BUGTRACKER = "https://bugzilla.gnome.org/"
-
-LICENSE = "LGPLv2 & LGPLv2.1"
-LIC_FILES_CHKSUM = "file://COPYING;md5=55ca817ccb7d5b5b66355690e9abc605 \
-                    file://src/cr-rgb.c;endline=22;md5=31d5f0944d556c8589d04ea6055fcc66 \
-                    file://tests/cr-test-utils.c;endline=21;md5=2382c27934cae1d3792fcb17a6142c4e"
-
-SECTION = "x11/utils"
-DEPENDS = "glib-2.0 libxml2 zlib"
-BBCLASSEXTEND = "native nativesdk"
-EXTRA_OECONF += "--enable-Bsymbolic=auto"
-
-BINCONFIG = "${bindir}/croco-0.6-config"
-
-inherit gnomebase gtk-doc binconfig-disabled
-
-SRC_URI += "file://CVE-2020-12825.patch"
-
-SRC_URI[archive.md5sum] = "c80c5a8385011a0260dce6bd0da93dce"
-SRC_URI[archive.sha256sum] = "767ec234ae7aa684695b3a735548224888132e063f92db585759b422570621d4"