1 files changed, 0 insertions, 90 deletions
diff --git a/meta-oe/recipes-support/c-ares/c-ares/ares_expand_name-should-escape-more-characters.patch b/meta-oe/recipes-support/c-ares/c-ares/ares_expand_name-should-escape-more-characters.patch
deleted file mode 100644
index 3603ef1278..0000000000
--- a/meta-oe/recipes-support/c-ares/c-ares/ares_expand_name-should-escape-more-characters.patch
+++ /dev/null
@@ -1,90 +0,0 @@
-From: bradh352 <brad@brad-house.com>
-Date: Fri, 11 Jun 2021 11:27:45 -0400
-Subject: [1/2] ares_expand_name() should escape more characters
-Origin: https://github.com/c-ares/c-ares/commit/362f91d807d293791008cdb7616d40f7784ece83
-Bug-Debian-Security: https://security-tracker.debian.org/tracker/CVE-2021-3672
-
-RFC1035 5.1 specifies some reserved characters and escaping sequences
-that are allowed to be specified.  Expand the list of reserved characters
-and also escape non-printable characters using the \DDD format as
-specified in the RFC.
-
-Bug Reported By: philipp.jeitner@sit.fraunhofer.de
-Fix By: Brad House (@bradh352)
-CVE: CVE-2021-3672
-Upstream-Status: Backport [http://snapshot.debian.org/archive/debian-security/20210810T064453Z/pool/updates/main/c/c-ares/c-ares_1.17.1-1%2Bdeb11u1.debian.tar.xz]
-Signed-off-by: Neetika Singh <Neetika.Singh@kpit.com>
----
- ares_expand_name.c | 41 +++++++++++++++++++++++++++++++++++---
- 1 file changed, 38 insertions(+), 3 deletions(-)
-
-diff --git a/ares_expand_name.c b/ares_expand_name.c
-index 407200ef5b4b..f1c874a97cfc 100644
---- a/ares_expand_name.c
-+++ b/ares_expand_name.c
-@@ -32,6 +32,26 @@
- static int name_length(const unsigned char *encoded, const unsigned char *abuf,
-                        int alen);
- 
-+/* Reserved characters for names that need to be escaped */
-+static int is_reservedch(int ch)
-+{
-+  switch (ch) {
-+    case '"':
-+    case '.':
-+    case ';':
-+    case '\\':
-+    case '(':
-+    case ')':
-+    case '@':
-+    case '$':
-+      return 1;
-+    default:
-+      break;
-+  }
-+
-+  return 0;
-+}
-+
- /* Expand an RFC1035-encoded domain name given by encoded.  The
-  * containing message is given by abuf and alen.  The result given by
-  * *s, which is set to a NUL-terminated allocated buffer.  *enclen is
-@@ -111,9 +131,18 @@ int ares_expand_name(const unsigned char *encoded, const unsigned char *abuf,
-           p++;
-           while (len--)
-             {
--              if (*p == '.' || *p == '\\')
-+              if (!isprint(*p)) {
-+                /* Output as \DDD for consistency with RFC1035 5.1 */
-+                *q++ = '\\';
-+                *q++ = '0' + *p / 100;
-+                *q++ = '0' + (*p % 100) / 10;
-+                *q++ = '0' + (*p % 10);
-+              } else if (is_reservedch(*p)) {
-                 *q++ = '\\';
--              *q++ = *p;
-+                *q++ = *p;
-+              } else {
-+                *q++ = *p;
-+              }
-               p++;
-             }
-           *q++ = '.';
-@@ -171,7 +200,13 @@ static int name_length(const unsigned char *encoded, const unsigned char *abuf,
-           encoded++;
-           while (offset--)
-             {
--              n += (*encoded == '.' || *encoded == '\\') ? 2 : 1;
-+              if (!isprint(*encoded)) {
-+                n += 4;
-+              } else if (is_reservedch(*encoded)) {
-+                n += 2;
-+              } else {
-+                n += 1;
-+              }
-               encoded++;
-             }
-           n++;
--- 
-2.32.0
-