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From c3a4906692ddd85d8530d2fdb74822ae793f18db Mon Sep 17 00:00:00 2001
From: Matthew Vernon <matthew@debian.org>
Date: Sun, 9 Feb 2014 16:10:05 +0000
Subject: Include the Debian version in our identification
This makes it easier to audit networks for versions patched against security
vulnerabilities. It has little detrimental effect, as attackers will
generally just try attacks rather than bothering to scan for
vulnerable-looking version strings. (However, see debian-banner.patch.)
Forwarded: not-needed
Last-Update: 2013-09-14
Patch-Name: package-versioning.patch
---
sshconnect.c | 4 ++--
sshd.c | 2 +-
version.h | 7 ++++++-
3 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/sshconnect.c b/sshconnect.c
index 0c9fc6c..988f4ef 100644
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -524,10 +524,10 @@ send_client_banner(int connection_out, int minor1)
/* Send our own protocol version identification. */
if (compat20) {
xasprintf(&client_version_string, "SSH-%d.%d-%.100s\r\n",
- PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_VERSION);
+ PROTOCOL_MAJOR_2, PROTOCOL_MINOR_2, SSH_RELEASE);
} else {
xasprintf(&client_version_string, "SSH-%d.%d-%.100s\n",
- PROTOCOL_MAJOR_1, minor1, SSH_VERSION);
+ PROTOCOL_MAJOR_1, minor1, SSH_RELEASE);
}
if (roaming_atomicio(vwrite, connection_out, client_version_string,
strlen(client_version_string)) != strlen(client_version_string))
diff --git a/sshd.c b/sshd.c
index 9ff9e8b..96e75c6 100644
--- a/sshd.c
+++ b/sshd.c
@@ -442,7 +442,7 @@ sshd_exchange_identification(int sock_in, int sock_out)
}
xasprintf(&server_version_string, "SSH-%d.%d-%.100s%s%s%s",
- major, minor, SSH_VERSION,
+ major, minor, SSH_RELEASE,
*options.version_addendum == '\0' ? "" : " ",
options.version_addendum, newline);
diff --git a/version.h b/version.h
index b58fbe1..bff2b3b 100644
--- a/version.h
+++ b/version.h
@@ -3,4 +3,9 @@
#define SSH_VERSION "OpenSSH_6.9"
#define SSH_PORTABLE "p1"
-#define SSH_RELEASE SSH_VERSION SSH_PORTABLE
+#define SSH_RELEASE_MINIMUM SSH_VERSION SSH_PORTABLE
+#ifdef SSH_EXTRAVERSION
+#define SSH_RELEASE SSH_RELEASE_MINIMUM " " SSH_EXTRAVERSION
+#else
+#define SSH_RELEASE SSH_RELEASE_MINIMUM
+#endif
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