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Description: 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.)
Author: Matthew Vernon <matthew@debian.org>
Forwarded: not-needed
Last-Update: 2013-05-07
Index: b/sshconnect.c
===================================================================
--- a/sshconnect.c
+++ b/sshconnect.c
@@ -435,10 +435,10 @@
/* 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))
Index: b/sshd.c
===================================================================
--- a/sshd.c
+++ b/sshd.c
@@ -434,7 +434,7 @@
}
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);
Index: b/version.h
===================================================================
--- a/version.h
+++ b/version.h
@@ -3,4 +3,9 @@
#define SSH_VERSION "OpenSSH_6.2"
#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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