vishalmishra434 / rpms / openssh

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diff -up openssh-5.8p1/audit-bsm.c.audit5a openssh-5.8p1/audit-bsm.c
--- openssh-5.8p1/audit-bsm.c.audit5a	2011-02-17 14:23:22.000000000 +0100
+++ openssh-5.8p1/audit-bsm.c	2011-02-17 14:24:05.000000000 +0100
@@ -407,4 +407,10 @@ audit_destroy_sensitive_data(const char 
 {
 	/* not implemented */
 }
+
+void
+audit_generate_ephemeral_server_key(const char *fp)
+{
+	/* not implemented */
+}
 #endif /* BSM */
diff -up openssh-5.8p1/audit.c.audit5a openssh-5.8p1/audit.c
--- openssh-5.8p1/audit.c.audit5a	2011-02-17 13:27:01.000000000 +0100
+++ openssh-5.8p1/audit.c	2011-02-17 14:18:58.000000000 +0100
@@ -277,5 +277,14 @@ audit_destroy_sensitive_data(const char 
 {
 	debug("audit destroy sensitive data euid %d fingerprint %s", geteuid(), fp);
 }
+
+/*
+ * This will be called on generation of the ephemeral server key
+ */
+void
+audit_generate_ephemeral_server_key(const char *)
+{
+	debug("audit create ephemeral server key euid %d fingerprint %s", geteuid(), fp);
+}
 # endif  /* !defined CUSTOM_SSH_AUDIT_EVENTS */
 #endif /* SSH_AUDIT_EVENTS */
diff -up openssh-5.8p1/audit.h.audit5a openssh-5.8p1/audit.h
--- openssh-5.8p1/audit.h.audit5a	2011-02-17 13:23:57.000000000 +0100
+++ openssh-5.8p1/audit.h	2011-02-17 14:11:53.000000000 +0100
@@ -63,5 +63,6 @@ void	audit_kex_body(int, char *, char *,
 void	audit_session_key_free(int ctos);
 void	audit_session_key_free_body(int ctos);
 void	audit_destroy_sensitive_data(const char *);
+void	audit_generate_ephemeral_server_key(const char *);
 
 #endif /* _SSH_AUDIT_H */
diff -up openssh-5.8p1/audit-linux.c.audit5a openssh-5.8p1/audit-linux.c
--- openssh-5.8p1/audit-linux.c.audit5a	2011-02-17 14:24:31.000000000 +0100
+++ openssh-5.8p1/audit-linux.c	2011-02-17 14:26:12.000000000 +0100
@@ -323,4 +323,25 @@ audit_destroy_sensitive_data(const char 
 		error("cannot write into audit");
 }
 
+void
+audit_generate_ephemeral_server_key(const char *fp)
+{
+	char buf[AUDIT_LOG_SIZE];
+	int audit_fd, audit_ok;
+
+	snprintf(buf, sizeof(buf), "op=create kind=server fp=%s direction=?", fp);
+	audit_fd = audit_open();
+	if (audit_fd < 0) {
+		if (errno != EINVAL && errno != EPROTONOSUPPORT &&
+					 errno != EAFNOSUPPORT)
+			error("cannot open audit");
+		return;
+	}
+	audit_ok = audit_log_user_message(audit_fd, AUDIT_CRYPTO_KEY_USER,
+			buf, NULL, 0, NULL, 1);
+	audit_close(audit_fd);
+	/* do not abort if the error is EPERM and sshd is run as non root user */
+	if ((audit_ok < 0) && ((audit_ok != -1) || (getuid() == 0)))
+		error("cannot write into audit");
+}
 #endif /* USE_LINUX_AUDIT */
diff -up openssh-5.8p1/sshd.c.audit5a openssh-5.8p1/sshd.c
--- openssh-5.8p1/sshd.c.audit5a	2011-02-17 13:23:27.000000000 +0100
+++ openssh-5.8p1/sshd.c	2011-02-17 14:11:33.000000000 +0100
@@ -379,6 +379,16 @@ generate_ephemeral_server_key(void)
 	sensitive_data.server_key = key_generate(KEY_RSA1,
 	    options.server_key_bits);
 	verbose("RSA key generation complete.");
+#ifdef SSH_AUDIT_EVENTS
+	{
+		char *fp;
+
+		fp = key_fingerprint(sensitive_data.server_key,
+				     FIPS_mode() ? SSH_FP_SHA1 : SSH_FP_MD5, SSH_FP_HEX);
+		audit_generate_ephemeral_server_key(fp);
+		xfree(fp);
+	}
+#endif
 
 	arc4random_buf(sensitive_data.ssh1_cookie, SSH_SESSION_KEY_LENGTH);
 	arc4random_stir();