diff options
Diffstat (limited to 'debian/patches/ssh1-keepalive.patch')
| -rw-r--r-- | debian/patches/ssh1-keepalive.patch | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/debian/patches/ssh1-keepalive.patch b/debian/patches/ssh1-keepalive.patch new file mode 100644 index 000000000..d5a7fe07a --- /dev/null +++ b/debian/patches/ssh1-keepalive.patch | |||
| @@ -0,0 +1,65 @@ | |||
| 1 | Description: Partial server keep-alive implementation for SSH1 | ||
| 2 | Author: Colin Watson <cjwatson@debian.org> | ||
| 3 | Bug: https://bugzilla.mindrot.org/show_bug.cgi?id=1712 | ||
| 4 | Last-Update: 2010-02-27 | ||
| 5 | |||
| 6 | Index: b/clientloop.c | ||
| 7 | =================================================================== | ||
| 8 | --- a/clientloop.c | ||
| 9 | +++ b/clientloop.c | ||
| 10 | @@ -545,16 +545,21 @@ | ||
| 11 | static void | ||
| 12 | server_alive_check(void) | ||
| 13 | { | ||
| 14 | - if (packet_inc_alive_timeouts() > options.server_alive_count_max) { | ||
| 15 | - logit("Timeout, server %s not responding.", host); | ||
| 16 | - cleanup_exit(255); | ||
| 17 | + if (compat20) { | ||
| 18 | + if (packet_inc_alive_timeouts() > options.server_alive_count_max) { | ||
| 19 | + logit("Timeout, server %s not responding.", host); | ||
| 20 | + cleanup_exit(255); | ||
| 21 | + } | ||
| 22 | + packet_start(SSH2_MSG_GLOBAL_REQUEST); | ||
| 23 | + packet_put_cstring("keepalive@openssh.com"); | ||
| 24 | + packet_put_char(1); /* boolean: want reply */ | ||
| 25 | + packet_send(); | ||
| 26 | + /* Insert an empty placeholder to maintain ordering */ | ||
| 27 | + client_register_global_confirm(NULL, NULL); | ||
| 28 | + } else { | ||
| 29 | + packet_send_ignore(0); | ||
| 30 | + packet_send(); | ||
| 31 | } | ||
| 32 | - packet_start(SSH2_MSG_GLOBAL_REQUEST); | ||
| 33 | - packet_put_cstring("keepalive@openssh.com"); | ||
| 34 | - packet_put_char(1); /* boolean: want reply */ | ||
| 35 | - packet_send(); | ||
| 36 | - /* Insert an empty placeholder to maintain ordering */ | ||
| 37 | - client_register_global_confirm(NULL, NULL); | ||
| 38 | } | ||
| 39 | |||
| 40 | /* | ||
| 41 | @@ -614,7 +619,7 @@ | ||
| 42 | */ | ||
| 43 | |||
| 44 | timeout_secs = INT_MAX; /* we use INT_MAX to mean no timeout */ | ||
| 45 | - if (options.server_alive_interval > 0 && compat20) | ||
| 46 | + if (options.server_alive_interval > 0) | ||
| 47 | timeout_secs = options.server_alive_interval; | ||
| 48 | set_control_persist_exit_time(); | ||
| 49 | if (control_persist_exit_time > 0) { | ||
| 50 | Index: b/ssh_config.5 | ||
| 51 | =================================================================== | ||
| 52 | --- a/ssh_config.5 | ||
| 53 | +++ b/ssh_config.5 | ||
| 54 | @@ -1089,7 +1089,10 @@ | ||
| 55 | .Cm ServerAliveCountMax | ||
| 56 | is left at the default, if the server becomes unresponsive, | ||
| 57 | ssh will disconnect after approximately 45 seconds. | ||
| 58 | -This option applies to protocol version 2 only. | ||
| 59 | +This option applies to protocol version 2 only; in protocol version | ||
| 60 | +1 there is no mechanism to request a response from the server to the | ||
| 61 | +server alive messages, so disconnection is the responsibility of the TCP | ||
| 62 | +stack. | ||
| 63 | .It Cm ServerAliveInterval | ||
| 64 | Sets a timeout interval in seconds after which if no data has been received | ||
| 65 | from the server, | ||