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-rw-r--r--options.h17
1 files changed, 14 insertions, 3 deletions
diff --git a/options.h b/options.h
index baba472..6d22168 100644
--- a/options.h
+++ b/options.h
@@ -128,7 +128,7 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
* You can't enable both PASSWORD and PAM. */
#define ENABLE_SVR_PASSWORD_AUTH
-/*#define ENABLE_SVR_PAM_AUTH*/
+/* #define ENABLE_SVR_PAM_AUTH */ /* requires ./configure --enable-pam */
#define ENABLE_SVR_PUBKEY_AUTH
#define ENABLE_CLI_PASSWORD_AUTH
@@ -161,6 +161,13 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
/* Specify the number of clients we will allow to be connected but
* not yet authenticated. After this limit, connections are rejected */
+/* The first setting is per-IP, to avoid denial of service */
+#ifndef MAX_UNAUTH_PER_IP
+#define MAX_UNAUTH_PER_IP 5
+#endif
+
+/* And then a global limit to avoid chewing memory if connections
+ * come from many IPs */
#ifndef MAX_UNAUTH_CLIENTS
#define MAX_UNAUTH_CLIENTS 30
#endif
@@ -200,7 +207,7 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
*******************************************************************/
#ifndef DROPBEAR_VERSION
-#define DROPBEAR_VERSION "0.46"
+#define DROPBEAR_VERSION "0.48"
#endif
#define LOCAL_IDENT "SSH-2.0-dropbear_" DROPBEAR_VERSION
@@ -243,8 +250,13 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
#define DROPBEAR_MAX_PORTS 10 /* max number of ports which can be specified,
ipv4 and ipv6 don't count twice */
+/* Each port might have at least a v4 and a v6 address */
+#define MAX_LISTEN_ADDR (DROPBEAR_MAX_PORTS*3)
+
#define _PATH_TTY "/dev/tty"
+#define _PATH_CP "/bin/cp"
+
/* Timeouts in seconds */
#define SELECT_TIMEOUT 20
@@ -291,7 +303,6 @@ etc) slower (perhaps by 50%). Recommended for most small systems. */
#define MAX_PROPOSED_ALGO 20
/* size/count limits */
-#define MAX_LISTEN_ADDR 10
#define MAX_PACKET_LEN 35000
#define MIN_PACKET_LEN 16