From 4381ab73f5eac877124722f68ad2e8bd178746d8 Mon Sep 17 00:00:00 2001 From: Natanael Copa Date: Thu, 3 Apr 2014 14:39:48 +0000 Subject: openssh: upgrade to 6.2 --- main/openssh/APKBUILD | 30 +- main/openssh/openssh-hmac-accel.diff | 10 - main/openssh/openssh-peaktput.diff | 75 --- main/openssh/openssh6.2-dynwindows.diff | 1012 ------------------------------- main/openssh/openssh6.5-peaktput.diff | 64 ++ main/openssh/openssh6.6-dynwindows.diff | 887 +++++++++++++++++++++++++++ 6 files changed, 964 insertions(+), 1114 deletions(-) delete mode 100644 main/openssh/openssh-hmac-accel.diff delete mode 100644 main/openssh/openssh-peaktput.diff delete mode 100644 main/openssh/openssh6.2-dynwindows.diff create mode 100644 main/openssh/openssh6.5-peaktput.diff create mode 100644 main/openssh/openssh6.6-dynwindows.diff (limited to 'main') diff --git a/main/openssh/APKBUILD b/main/openssh/APKBUILD index 70b5103e6c..122933deaa 100644 --- a/main/openssh/APKBUILD +++ b/main/openssh/APKBUILD @@ -1,8 +1,8 @@ # Maintainer: Natanael Copa pkgname=openssh -pkgver=6.4_p1 +pkgver=6.6_p1 _myver=${pkgver%_*}${pkgver#*_} -pkgrel=1 +pkgrel=0 pkgdesc="Port of OpenBSD's free SSH release" url="http://www.openssh.org/portable.html" arch="all" @@ -11,9 +11,8 @@ depends="openssh-client" makedepends="openssl-dev zlib-dev" subpackages="$pkgname-doc $pkgname-client" source="ftp://ftp.openbsd.org/pub/OpenBSD/OpenSSH/portable/$pkgname-$_myver.tar.gz - openssh6.2-dynwindows.diff - openssh-peaktput.diff - openssh-hmac-accel.diff + openssh6.6-dynwindows.diff + openssh6.5-peaktput.diff openssh-fix-includes.diff openssh-fix-utmp.diff sshd.initd @@ -102,28 +101,25 @@ client() { "$subpkgdir"/usr/bin/ssh-copy-id || return 1 } -md5sums="a62b88b884df0b09b8a8c5789ac9e51b openssh-6.4p1.tar.gz -2306a0f6ba8915c02c533e7bf6e64fe8 openssh6.2-dynwindows.diff -77da1e0dd9bfe98a9c84747e7e3dc7b3 openssh-peaktput.diff -c65d454dc5b149647273485fc184636d openssh-hmac-accel.diff +md5sums="3e9800e6bca1fbac0eea4d41baa7f239 openssh-6.6p1.tar.gz +776fca63396b534736d26f776d1dca7b openssh6.6-dynwindows.diff +cd52fe99cb4b7d0d847bf5d710d93564 openssh6.5-peaktput.diff 7c86680602f7ad71b0773d9e98a30d73 openssh-fix-includes.diff f7d9d6f96940ef66bd3c3a0aa27e57a7 openssh-fix-utmp.diff cb0dd08c413fad346f0c594107b4a2e0 sshd.initd b35e9f3829f4cfca07168fcba98749c7 sshd.confd e4cf579145106ce3d4465453b70ea50d CVE-2014-2532.patch" -sha256sums="5530f616513b14aea3662c4c373bafd6a97a269938674c006377e381f68975d2 openssh-6.4p1.tar.gz -4f78f16807c6b6a3a3773c000b85df0c56ea8a93dc35eaa6bbdffe6e30328e58 openssh6.2-dynwindows.diff -6e803be3b3569eedfe69d9e9aeabef2e3fec2ed28f75bc456dfd69c2ef2c8198 openssh-peaktput.diff -902ea83a9ef726f32b096280da0f1b722f4372886c65c4e28985ee57e725d95c openssh-hmac-accel.diff +sha256sums="48c1f0664b4534875038004cc4f3555b8329c2a81c1df48db5c517800de203bb openssh-6.6p1.tar.gz +83f2b2c07988c6321875240c02a161a83ec84661d592cbd2188ea8c962f9b1ad openssh6.6-dynwindows.diff +bf49212e47a86d10650f739532cea514a310925e6445b4f8011031b6b55f3249 openssh6.5-peaktput.diff c3189ba0e17e60e83851ac2d6f18ad5b08cb90cccfce31d61cccb9fd76d44d59 openssh-fix-includes.diff f2748da45d0bc31055727f8c80d93e1872cc043ced3202e2f6d150aca3c08dde openssh-fix-utmp.diff 3fa062fd4bfac64abf21f3c1d0548f1dfcf3c6e56e84ece14c848f53a293024e sshd.initd 29c6d57ac3ec6018cadc6ba6cd9b90c9ed46e20049b970fdcc68ee2481a2ee41 sshd.confd 323d1a7a0ff72143580ac1b0ce2a28b9640f956368bc6629890c22c79af28aaa CVE-2014-2532.patch" -sha512sums="f87b3e1d3110b87c1dfff729459ff26024863480c8eb4449b9e3b0b750d187acdfedb199ca4ea133b5dfa436bed0e2eea7607392d451b18c626c4dc1d38bb52a openssh-6.4p1.tar.gz -773cc0629e17a8f78e82be56e579855ea9b3ca8fd26360964aee854d717a7cfc2c9d4d654cf0fda5723c3aabe96e48ee2cfe6d1fd64b5717f0ef5eb997d00293 openssh6.2-dynwindows.diff -64f5aff3fc1a0d2f7c65ea875d1c2c4d98a3d305ff2677d9d4ca82f20778df9e317b1bfc428cee2b0df1bfa01a65dfcf83b68435a227a23a2cf3400fef35d656 openssh-peaktput.diff -aaa128126400171d0755038a846672aa7b1e87340edf73a672962d403abf404ef1821466b17da51dde25f04ec7533ae4a653399ccc912ea9c4a7b1a14032e76f openssh-hmac-accel.diff +sha512sums="3d3566ed87649882702cad52db1adefebfb3ef788c9f77a493f99db7e9ca2e8edcde793dd426df7df0aed72a42a31c20a63ef51506111369d3a7c49e0bf6c82b openssh-6.6p1.tar.gz +3aab8b8e1f86ce04ebc69bbdbf3c70cefd510d7b4080b99067ec49957b5e421b49e3b8a0a62103d17cf644cd7c0b30e9283a62a24988b1bbb0fbdabbdc1202fd openssh6.6-dynwindows.diff +e041398e177674f698480e23be037160bd07b751c754956a3ddf1b964da24c85e826fb75e7c23c9826d36761da73d08db9583c047d58a08dc7b2149a949075b1 openssh6.5-peaktput.diff 70e2c6613ab77ec379e03ddf029c1c38e5d852bb225db40ceaa63e642d58b0261fa7c954b288710736bb1dc71f8057f2598ea0d1f5b1214135fa5e9541d5f05a openssh-fix-includes.diff cc909f68d9da1b264926973b96d36162b5c588299c98d62f526faf2ef1273d98bb8d8dea4d482770a2aef88bcbf15fa61144401aef9ab916c15e1623bcf449b5 openssh-fix-utmp.diff 1483e2bcd700da9b02f04508d490b472c816344787bf1675fef2f7e27f72b91e4323e4e8c1db701e47d81d37d6d4b0623eaeac46b2cf589ae5ad69f363baa594 sshd.initd diff --git a/main/openssh/openssh-hmac-accel.diff b/main/openssh/openssh-hmac-accel.diff deleted file mode 100644 index 91140263cb..0000000000 --- a/main/openssh/openssh-hmac-accel.diff +++ /dev/null @@ -1,10 +0,0 @@ ---- a/mac.c -+++ b/mac.c -@@ -142,6 +142,7 @@ - /* reset HMAC context */ - HMAC_Init(&mac->evp_ctx, NULL, 0, NULL); - HMAC_Update(&mac->evp_ctx, b, sizeof(b)); -+ HMAC_CTX_set_flags(&mac->evp_ctx, EVP_MD_CTX_FLAG_ONESHOT); - HMAC_Update(&mac->evp_ctx, data, datalen); - HMAC_Final(&mac->evp_ctx, m, NULL); - break; diff --git a/main/openssh/openssh-peaktput.diff b/main/openssh/openssh-peaktput.diff deleted file mode 100644 index d511242944..0000000000 --- a/main/openssh/openssh-peaktput.diff +++ /dev/null @@ -1,75 +0,0 @@ -From: Timo Teräs -Date: Tue, 17 Jan 2012 07:45:35 +0000 -Subject: [PATCH 1/2] peakput - ---- - progressmeter.c | 19 ++++++++++++++++++- - 1 files changed, 18 insertions(+), 1 deletions(-) - -diff --git a/progressmeter.c b/progressmeter.c -index 0f95222..6b22511 100644 ---- a/progressmeter.c -+++ b/progressmeter.c -@@ -68,6 +68,8 @@ static time_t last_update; /* last progress update */ - static char *file; /* name of the file being transferred */ - static off_t end_pos; /* ending position of transfer */ - static off_t cur_pos; /* transfer position as of last refresh */ -+static off_t last_pos; -+static off_t max_delta_pos = 0; - static volatile off_t *counter; /* progress counter */ - static long stalled; /* how long we have been stalled */ - static int bytes_per_second; /* current speed in bytes per second */ -@@ -128,12 +130,17 @@ refresh_progress_meter(void) - int hours, minutes, seconds; - int i, len; - int file_len; -+ off_t delta_pos; - - transferred = *counter - cur_pos; - cur_pos = *counter; - now = monotime(); - bytes_left = end_pos - cur_pos; - -+ delta_pos = cur_pos - last_pos; -+ if (delta_pos > max_delta_pos) -+ max_delta_pos = delta_pos; -+ - if (bytes_left > 0) - elapsed = now - last_update; - else { -@@ -158,7 +165,7 @@ refresh_progress_meter(void) - - /* filename */ - buf[0] = '\0'; -- file_len = win_size - 35; -+ file_len = win_size - 45; - if (file_len > 0) { - len = snprintf(buf, file_len + 1, "\r%s", file); - if (len < 0) -@@ -188,6 +195,15 @@ refresh_progress_meter(void) - (off_t)bytes_per_second); - strlcat(buf, "/s ", win_size); - -+ /* instantaneous rate */ -+ if (bytes_left > 0) -+ format_rate(buf + strlen(buf), win_size - strlen(buf), -+ delta_pos); -+ else -+ format_rate(buf + strlen(buf), win_size - strlen(buf), -+ max_delta_pos); -+ strlcat(buf, "/s ", win_size); -+ - /* ETA */ - if (!transferred) - stalled += elapsed; -@@ -224,6 +240,7 @@ refresh_progress_meter(void) - - atomicio(vwrite, STDOUT_FILENO, buf, win_size - 1); - last_update = now; -+ last_pos = cur_pos; - } - - /*ARGSUSED*/ --- -1.7.8.3 - diff --git a/main/openssh/openssh6.2-dynwindows.diff b/main/openssh/openssh6.2-dynwindows.diff deleted file mode 100644 index 2e1492792d..0000000000 --- a/main/openssh/openssh6.2-dynwindows.diff +++ /dev/null @@ -1,1012 +0,0 @@ -diff -rNuwpB canonical/buffer.c dynamic/buffer.c ---- canonical/buffer.c 2010-02-11 17:23:40.000000000 -0500 -+++ dynamic/buffer.c 2013-08-14 13:56:39.111508385 -0400 -@@ -127,7 +127,7 @@ restart: - - /* Increase the size of the buffer and retry. */ - newlen = roundup(buffer->alloc + len, BUFFER_ALLOCSZ); -- if (newlen > BUFFER_MAX_LEN) -+ if (newlen > BUFFER_MAX_LEN_HPN) - fatal("buffer_append_space: alloc %u not supported", - newlen); - buffer->buf = xrealloc(buffer->buf, 1, newlen); -diff -rNuwpB canonical/buffer.h dynamic/buffer.h ---- canonical/buffer.h 2010-09-09 21:39:27.000000000 -0400 -+++ dynamic/buffer.h 2013-08-14 13:56:39.113507594 -0400 -@@ -16,6 +16,9 @@ - #ifndef BUFFER_H - #define BUFFER_H - -+/* move the following to a more appropriate place and name */ -+#define BUFFER_MAX_LEN_HPN 0x4000000 /* 64MB */ -+ - typedef struct { - u_char *buf; /* Buffer for data. */ - u_int alloc; /* Number of bytes allocated for data. */ -diff -rNuwpB canonical/channels.c dynamic/channels.c ---- canonical/channels.c 2012-12-02 17:50:55.000000000 -0500 -+++ dynamic/channels.c 2013-08-14 13:56:39.132511340 -0400 -@@ -173,8 +173,14 @@ static void port_open_helper(Channel *c, - static int connect_next(struct channel_connect *); - static void channel_connect_ctx_free(struct channel_connect *); - -+ -+static int hpn_disabled = 0; -+static int hpn_buffer_size = 2 * 1024 * 1024; -+ - /* -- channel core */ - -+ -+ - Channel * - channel_by_id(int id) - { -@@ -319,6 +325,7 @@ channel_new(char *ctype, int type, int r - c->local_window_max = window; - c->local_consumed = 0; - c->local_maxpacket = maxpack; -+ c->dynamic_window = 0; - c->remote_id = -1; - c->remote_name = xstrdup(remote_name); - c->remote_window = 0; -@@ -818,11 +825,35 @@ channel_pre_open_13(Channel *c, fd_set * - FD_SET(c->sock, writeset); - } - -+int channel_tcpwinsz () { -+ u_int32_t tcpwinsz = 0; -+ socklen_t optsz = sizeof(tcpwinsz); -+ int ret = -1; -+ -+ /* if we aren't on a socket return 128KB*/ -+ if(!packet_connection_is_on_socket()) -+ return(128*1024); -+ ret = getsockopt(packet_get_connection_in(), -+ SOL_SOCKET, SO_RCVBUF, &tcpwinsz, &optsz); -+ /* return no more than 64MB */ -+ if ((ret == 0) && tcpwinsz > BUFFER_MAX_LEN_HPN) -+ tcpwinsz = BUFFER_MAX_LEN_HPN; -+ debug2("tcpwinsz: %d for connection: %d", tcpwinsz, -+ packet_get_connection_in()); -+ return(tcpwinsz); -+} -+ - static void - channel_pre_open(Channel *c, fd_set *readset, fd_set *writeset) - { - u_int limit = compat20 ? c->remote_window : packet_get_maxsize(); - -+ /* check buffer limits */ -+ if ((!c->tcpwinsz) || (c->dynamic_window > 0)) -+ c->tcpwinsz = channel_tcpwinsz(); -+ -+ limit = MIN(limit, 2 * c->tcpwinsz); -+ - if (c->istate == CHAN_INPUT_OPEN && - limit > 0 && - buffer_len(&c->input) < limit && -@@ -1806,14 +1837,21 @@ channel_check_window(Channel *c) - c->local_maxpacket*3) || - c->local_window < c->local_window_max/2) && - c->local_consumed > 0) { -+ u_int addition = 0; -+ /* adjust max window size if we are in a dynamic environment */ -+ if (c->dynamic_window && (c->tcpwinsz > c->local_window_max)) { -+ /* grow the window somewhat aggressively to maintain pressure */ -+ addition = 1.5*(c->tcpwinsz - c->local_window_max); -+ c->local_window_max += addition; -+ } - packet_start(SSH2_MSG_CHANNEL_WINDOW_ADJUST); - packet_put_int(c->remote_id); -- packet_put_int(c->local_consumed); -+ packet_put_int(c->local_consumed + addition); - packet_send(); - debug2("channel %d: window %d sent adjust %d", - c->self, c->local_window, - c->local_consumed); -- c->local_window += c->local_consumed; -+ c->local_window += c->local_consumed + addition; - c->local_consumed = 0; - } - return 1; -@@ -2719,6 +2757,15 @@ channel_fwd_bind_addr(const char *listen - return addr; - } - -+ -+void -+channel_set_hpn(int external_hpn_disabled, int external_hpn_buffer_size) -+{ -+ hpn_disabled = external_hpn_disabled; -+ hpn_buffer_size = external_hpn_buffer_size; -+ debug("HPN Disabled: %d, HPN Buffer Size: %d", hpn_disabled, hpn_buffer_size); -+} -+ - static int - channel_setup_fwd_listener(int type, const char *listen_addr, - u_short listen_port, int *allocated_listen_port, -@@ -2845,9 +2892,15 @@ channel_setup_fwd_listener(int type, con - } - - /* Allocate a channel number for the socket. */ -+ /* explicitly test for hpn disabled option. if true use smaller window size */ -+ if (hpn_disabled) - c = channel_new("port listener", type, sock, sock, -1, - CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, - 0, "port listener", 1); -+ else -+ c = channel_new("port listener", type, sock, sock, -1, -+ hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, -+ 0, "port listener", 1); - c->path = xstrdup(host); - c->host_port = port_to_connect; - c->listening_addr = addr == NULL ? NULL : xstrdup(addr); -@@ -3503,10 +3556,17 @@ x11_create_display_inet(int x11_display_ - *chanids = xcalloc(num_socks + 1, sizeof(**chanids)); - for (n = 0; n < num_socks; n++) { - sock = socks[n]; -+ /* Is this really necassary? */ -+ if (hpn_disabled) - nc = channel_new("x11 listener", - SSH_CHANNEL_X11_LISTENER, sock, sock, -1, - CHAN_X11_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, - 0, "X11 inet listener", 1); -+ else -+ nc = channel_new("x11 listener", -+ SSH_CHANNEL_X11_LISTENER, sock, sock, -1, -+ hpn_buffer_size, CHAN_X11_PACKET_DEFAULT, -+ 0, "X11 inet listener", 1); - nc->single_connection = single_connection; - (*chanids)[n] = nc->self; - } -diff -rNuwpB canonical/channels.h dynamic/channels.h ---- canonical/channels.h 2012-04-21 21:21:10.000000000 -0400 -+++ dynamic/channels.h 2013-08-14 13:56:39.115508853 -0400 -@@ -129,8 +129,10 @@ struct Channel { - u_int local_window_max; - u_int local_consumed; - u_int local_maxpacket; -+ int dynamic_window; - int extended_usage; - int single_connection; -+ u_int tcpwinsz; - - char *ctype; /* type */ - -@@ -165,9 +167,11 @@ struct Channel { - - /* default window/packet sizes for tcp/x11-fwd-channel */ - #define CHAN_SES_PACKET_DEFAULT (32*1024) --#define CHAN_SES_WINDOW_DEFAULT (64*CHAN_SES_PACKET_DEFAULT) -+#define CHAN_SES_WINDOW_DEFAULT (4*CHAN_SES_PACKET_DEFAULT) -+ - #define CHAN_TCP_PACKET_DEFAULT (32*1024) --#define CHAN_TCP_WINDOW_DEFAULT (64*CHAN_TCP_PACKET_DEFAULT) -+#define CHAN_TCP_WINDOW_DEFAULT (4*CHAN_TCP_PACKET_DEFAULT) -+ - #define CHAN_X11_PACKET_DEFAULT (16*1024) - #define CHAN_X11_WINDOW_DEFAULT (4*CHAN_X11_PACKET_DEFAULT) - -@@ -303,4 +307,7 @@ void chan_rcvd_ieof(Channel *); - void chan_write_failed(Channel *); - void chan_obuf_empty(Channel *); - -+/* hpn handler */ -+void channel_set_hpn(int, int); -+ - #endif -diff -rNuwpB canonical/clientloop.c dynamic/clientloop.c ---- canonical/clientloop.c 2013-01-08 23:55:51.000000000 -0500 -+++ dynamic/clientloop.c 2013-08-14 13:56:39.135511385 -0400 -@@ -1884,9 +1884,15 @@ client_request_x11(const char *request_t - sock = x11_connect_display(); - if (sock < 0) - return NULL; -+ /* again is this really necessary for X11? */ -+ if (options.hpn_disabled) - c = channel_new("x11", - SSH_CHANNEL_X11_OPEN, sock, sock, -1, - CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, "x11", 1); -+ else -+ c = channel_new("x11", -+ SSH_CHANNEL_X11_OPEN, sock, sock, -1, -+ options.hpn_buffer_size, CHAN_X11_PACKET_DEFAULT, 0, "x11", 1); - c->force_drain = 1; - return c; - } -@@ -1906,9 +1912,15 @@ client_request_agent(const char *request - sock = ssh_get_authentication_socket(); - if (sock < 0) - return NULL; -+ if (options.hpn_disabled) - c = channel_new("authentication agent connection", - SSH_CHANNEL_OPEN, sock, sock, -1, -- CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, -+ CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, -+ "authentication agent connection", 1); -+ else -+ c = channel_new("authentication agent connection", -+ SSH_CHANNEL_OPEN, sock, sock, -1, -+ options.hpn_buffer_size, options.hpn_buffer_size, 0, - "authentication agent connection", 1); - c->force_drain = 1; - return c; -@@ -1936,10 +1948,18 @@ client_request_tun_fwd(int tun_mode, int - return -1; - } - -+ if(options.hpn_disabled) -+ c = channel_new("tun", SSH_CHANNEL_OPENING, fd, fd, -1, -+ CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, -+ 0, "tun", 1); -+ else - c = channel_new("tun", SSH_CHANNEL_OPENING, fd, fd, -1, -- CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); -+ options.hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, -+ 0, "tun", 1); - c->datagram = 1; - -+ -+ - #if defined(SSH_TUN_FILTER) - if (options.tun_open == SSH_TUNMODE_POINTOPOINT) - channel_register_filter(c->self, sys_tun_infilter, -diff -rNuwpB canonical/compat.c dynamic/compat.c ---- canonical/compat.c 2012-09-06 07:21:56.000000000 -0400 -+++ dynamic/compat.c 2013-08-14 13:56:39.114506902 -0400 -@@ -173,6 +173,15 @@ compat_datafellows(const char *version) - strlen(check[i].pat), 0) == 1) { - debug("match: %s pat %s", version, check[i].pat); - datafellows = check[i].bugs; -+ /* Check to see if the remote side is OpenSSH and not HPN */ -+ if(strstr(version,"OpenSSH") != NULL) -+ { -+ if (strstr(version,"hpn") == NULL) -+ { -+ datafellows |= SSH_BUG_LARGEWINDOW; -+ debug("Remote is NON-HPN aware"); -+ } -+ } - return; - } - } -diff -rNuwpB canonical/compat.h dynamic/compat.h ---- canonical/compat.h 2011-10-02 03:59:03.000000000 -0400 -+++ dynamic/compat.h 2013-08-14 13:56:39.137511347 -0400 -@@ -59,6 +59,7 @@ - #define SSH_BUG_RFWD_ADDR 0x02000000 - #define SSH_NEW_OPENSSH 0x04000000 - #define SSH_BUG_DYNAMIC_RPORT 0x08000000 -+#define SSH_BUG_LARGEWINDOW 0x10000000 - - void enable_compat13(void); - void enable_compat20(void); -diff -rNuwpB canonical/HPN-README dynamic/HPN-README ---- canonical/HPN-README 1969-12-31 19:00:00.000000000 -0500 -+++ dynamic/HPN-README 2013-08-14 13:56:39.121511284 -0400 -@@ -0,0 +1,129 @@ -+Notes: -+ -+MULTI-THREADED CIPHER: -+The AES cipher in CTR mode has been multithreaded (MTR-AES-CTR). This will allow ssh installations -+on hosts with multiple cores to use more than one processing core during encryption. -+Tests have show significant throughput performance increases when using MTR-AES-CTR up -+to and including a full gigabit per second on quad core systems. It should be possible to -+achieve full line rate on dual core systems but OS and data management overhead makes this -+more difficult to achieve. The cipher stream from MTR-AES-CTR is entirely compatible with single -+thread AES-CTR (ST-AES-CTR) implementations and should be 100% backward compatible. Optimal -+performance requires the MTR-AES-CTR mode be enabled on both ends of the connection. -+The MTR-AES-CTR replaces ST-AES-CTR and is used in exactly the same way with the same -+nomenclature. -+Use examples: ssh -caes128-ctr you@host.com -+ scp -oCipher=aes256-ctr file you@host.com:~/file -+ -+NONE CIPHER: -+To use the NONE option you must have the NoneEnabled switch set on the server and -+you *must* have *both* NoneEnabled and NoneSwitch set to yes on the client. The NONE -+feature works with ALL ssh subsystems (as far as we can tell) *AS LONG AS* a tty is not -+spawned. If a user uses the -T switch to prevent a tty being created the NONE cipher will -+be disabled. -+ -+The performance increase will only be as good as the network and TCP stack tuning -+on the reciever side of the connection allows. As a rule of thumb a user will need -+at least 10Mb/s connection with a 100ms RTT to see a doubling of performance. The -+HPN-SSH home page describes this in greater detail. -+ -+http://www.psc.edu/networking/projects/hpn-ssh -+ -+BUFFER SIZES: -+ -+If HPN is disabled the receive buffer size will be set to the -+OpenSSH default of 64K. -+ -+If an HPN system connects to a nonHPN system the receive buffer will -+be set to the HPNBufferSize value. The default is 2MB but user adjustable. -+ -+If an HPN to HPN connection is established a number of different things might -+happen based on the user options and conditions. -+ -+Conditions: HPNBufferSize NOT Set, TCPRcvBufPoll enabled, TCPRcvBuf NOT Set -+HPN Buffer Size = up to 64MB -+This is the default state. The HPN buffer size will grow to a maximum of 64MB -+as the TCP receive buffer grows. The maximum HPN Buffer size of 64MB is -+geared towards 10GigE transcontinental connections. -+ -+Conditions: HPNBufferSize NOT Set, TCPRcvBufPoll disabled, TCPRcvBuf NOT Set -+HPN Buffer Size = TCP receive buffer value. -+Users on non-autotuning systesm should disable TCPRcvBufPoll in the -+ssh_cofig and sshd_config -+ -+Conditions: HPNBufferSize SET, TCPRcvBufPoll disabled, TCPRcvBuf NOT Set -+HPN Buffer Size = minmum of TCP receive buffer and HPNBufferSize. -+This would be the system defined TCP receive buffer (RWIN). -+ -+Conditions: HPNBufferSize SET, TCPRcvBufPoll disabled, TCPRcvBuf SET -+HPN Buffer Size = minmum of TCPRcvBuf and HPNBufferSize. -+Generally there is no need to set both. -+ -+Conditions: HPNBufferSize SET, TCPRcvBufPoll enabled, TCPRcvBuf NOT Set -+HPN Buffer Size = grows to HPNBufferSize -+The buffer will grow up to the maximum size specified here. -+ -+Conditions: HPNBufferSize SET, TCPRcvBufPoll enabled, TCPRcvBuf SET -+HPN Buffer Size = minmum of TCPRcvBuf and HPNBufferSize. -+Generally there is no need to set both of these, especially on autotuning -+systems. However, if the users wishes to override the autotuning this would be -+one way to do it. -+ -+Conditions: HPNBufferSize NOT Set, TCPRcvBufPoll enabled, TCPRcvBuf SET -+HPN Buffer Size = TCPRcvBuf. -+This will override autotuning and set the TCP recieve buffer to the user defined -+value. -+ -+ -+HPN Specific Configuration options -+ -+TcpRcvBuf=[int]KB client -+ set the TCP socket receive buffer to n Kilobytes. It can be set up to the -+maximum socket size allowed by the system. This is useful in situations where -+the tcp receive window is set low but the maximum buffer size is set -+higher (as is typical). This works on a per TCP connection basis. You can also -+use this to artifically limit the transfer rate of the connection. In these -+cases the throughput will be no more than n/RTT. The minimum buffer size is 1KB. -+Default is the current system wide tcp receive buffer size. -+ -+TcpRcvBufPoll=[yes/no] client/server -+ enable of disable the polling of the tcp receive buffer through the life -+of the connection. You would want to make sure that this option is enabled -+for systems making use of autotuning kernels (linux 2.4.24+, 2.6, MS Vista) -+default is yes. -+ -+NoneEnabled=[yes/no] client/server -+ enable or disable the use of the None cipher. Care must always be used -+when enabling this as it will allow users to send data in the clear. However, -+it is important to note that authentication information remains encrypted -+even if this option is enabled. Set to no by default. -+ -+NoneSwitch=[yes/no] client -+ Switch the encryption cipher being used to the None cipher after -+authentication takes place. NoneEnabled must be enabled on both the client -+and server side of the connection. When the connection switches to the NONE -+cipher a warning is sent to STDERR. The connection attempt will fail with an -+error if a client requests a NoneSwitch from the server that does not explicitly -+have NoneEnabled set to yes. Note: The NONE cipher cannot be used in -+interactive (shell) sessions and it will fail silently. Set to no by default. -+ -+HPNDisabled=[yes/no] client/server -+ In some situations, such as transfers on a local area network, the impact -+of the HPN code produces a net decrease in performance. In these cases it is -+helpful to disable the HPN functionality. By default HPNDisabled is set to no. -+ -+HPNBufferSize=[int]KB client/server -+ This is the default buffer size the HPN functionality uses when interacting -+with nonHPN SSH installations. Conceptually this is similar to the TcpRcvBuf -+option as applied to the internal SSH flow control. This value can range from -+1KB to 64MB (1-65536). Use of oversized or undersized buffers can cause performance -+problems depending on the length of the network path. The default size of this buffer -+is 2MB. -+ -+ -+Credits: This patch was conceived, designed, and led by Chris Rapier (rapier@psc.edu) -+ The majority of the actual coding for versions up to HPN12v1 was performed -+ by Michael Stevens (mstevens@andrew.cmu.edu). The MT-AES-CTR cipher was -+ implemented by Ben Bennet (ben@psc.edu) and improved by Mike Tasota -+ (tasota@gmail.com) an NSF REU grant recipient for 2013. -+ This work was financed, in part, by Cisco System, Inc., the National -+ Library of Medicine, and the National Science Foundation. -diff -rNuwpB canonical/readconf.c dynamic/readconf.c ---- canonical/readconf.c 2013-04-04 20:18:58.000000000 -0400 -+++ dynamic/readconf.c 2013-08-14 14:06:00.895326378 -0400 -@@ -135,6 +135,7 @@ typedef enum { - oTunnel, oTunnelDevice, oLocalCommand, oPermitLocalCommand, - oVisualHostKey, oUseRoaming, oZeroKnowledgePasswordAuthentication, - oKexAlgorithms, oIPQoS, oRequestTTY, oIgnoreUnknown, -+ oTcpRcvBufPoll, oTcpRcvBuf, oHPNDisabled, oHPNBufferSize, - oIgnoredUnknownOption, oDeprecated, oUnsupported - } OpCodes; - -@@ -247,6 +248,11 @@ static struct { - { "ipqos", oIPQoS }, - { "requesttty", oRequestTTY }, - -+ { "tcprcvbufpoll", oTcpRcvBufPoll }, -+ { "tcprcvbuf", oTcpRcvBuf }, -+ { "hpndisabled", oHPNDisabled }, -+ { "hpnbuffersize", oHPNBufferSize }, -+ - { NULL, oBadOption } - }; - -@@ -515,6 +521,18 @@ parse_flag: - intptr = &options->check_host_ip; - goto parse_flag; - -+ case oHPNDisabled: -+ intptr = &options->hpn_disabled; -+ goto parse_flag; -+ -+ case oHPNBufferSize: -+ intptr = &options->hpn_buffer_size; -+ goto parse_int; -+ -+ case oTcpRcvBufPoll: -+ intptr = &options->tcp_rcv_buf_poll; -+ goto parse_flag; -+ - case oVerifyHostKeyDNS: - intptr = &options->verify_host_key_dns; - goto parse_yesnoask; -@@ -698,6 +716,10 @@ parse_int: - intptr = &options->connection_attempts; - goto parse_int; - -+ case oTcpRcvBuf: -+ intptr = &options->tcp_rcv_buf; -+ goto parse_int; -+ - case oCipher: - intptr = &options->cipher; - arg = strdelim(&s); -@@ -1222,6 +1244,11 @@ initialize_options(Options * options) - options->ip_qos_interactive = -1; - options->ip_qos_bulk = -1; - options->request_tty = -1; - options->ignored_unknown = NULL; -+ -+ options->hpn_disabled = -1; -+ options->hpn_buffer_size = -1; -+ options->tcp_rcv_buf_poll = -1; -+ options->tcp_rcv_buf = -1; - } - - /* -@@ -1345,6 +1372,28 @@ fill_default_options(Options * options) - options->server_alive_interval = 0; - if (options->server_alive_count_max == -1) - options->server_alive_count_max = 3; -+ if (options->hpn_disabled == -1) -+ options->hpn_disabled = 0; -+ if (options->hpn_buffer_size > -1) -+ { -+ /* if a user tries to set the size to 0 set it to 1KB */ -+ if (options->hpn_buffer_size == 0) -+ options->hpn_buffer_size = 1; -+ /*limit the buffer to 64MB*/ -+ if (options->hpn_buffer_size > 64*1024) -+ { -+ options->hpn_buffer_size = 64*1024*1024; -+ debug("User requested buffer larger than 64MB. Request reverted to 64MB"); -+ } -+ else options->hpn_buffer_size *= 1024; -+ debug("hpn_buffer_size set to %d", options->hpn_buffer_size); -+ } -+ if (options->tcp_rcv_buf == 0) -+ options->tcp_rcv_buf = 1; -+ if (options->tcp_rcv_buf > -1) -+ options->tcp_rcv_buf *=1024; -+ if (options->tcp_rcv_buf_poll == -1) -+ options->tcp_rcv_buf_poll = 1; - if (options->control_master == -1) - options->control_master = 0; - if (options->control_persist == -1) { -diff -rNuwpB canonical/readconf.h dynamic/readconf.h ---- canonical/readconf.h 2013-04-04 20:18:58.000000000 -0400 -+++ dynamic/readconf.h 2013-08-14 14:06:26.768478684 -0400 -@@ -61,6 +61,10 @@ typedef struct { - int compression_level; /* Compression level 1 (fast) to 9 - * (best). */ - int tcp_keep_alive; /* Set SO_KEEPALIVE. */ -+ int tcp_rcv_buf; /* user switch to set tcp recv buffer */ -+ int tcp_rcv_buf_poll; /* Option to poll recv buf every window transfer */ -+ int hpn_disabled; /* Switch to disable HPN buffer management */ -+ int hpn_buffer_size; /* User definable size for HPN buffer window */ - int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */ - int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */ - LogLevel log_level; /* Level for logging. */ -diff -rNuwpB canonical/scp.c dynamic/scp.c ---- canonical/scp.c 2013-03-19 21:55:15.000000000 -0400 -+++ dynamic/scp.c 2013-08-14 13:56:39.131511381 -0400 -@@ -731,7 +731,7 @@ source(int argc, char **argv) - off_t i, statbytes; - size_t amt; - int fd = -1, haderr, indx; -- char *last, *name, buf[2048], encname[MAXPATHLEN]; -+ char *last, *name, buf[16384], encname[MAXPATHLEN]; - int len; - - for (indx = 0; indx < argc; ++indx) { -@@ -913,7 +913,7 @@ sink(int argc, char **argv) - mode_t mode, omode, mask; - off_t size, statbytes; - int setimes, targisdir, wrerrno = 0; -- char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; -+ char ch, *cp, *np, *targ, *why, *vect[1], buf[16384]; - struct timeval tv[2]; - - #define atime tv[0] -diff -rNuwpB canonical/servconf.c dynamic/servconf.c ---- canonical/servconf.c 2013-02-11 19:02:08.000000000 -0500 -+++ dynamic/servconf.c 2013-08-14 14:07:46.843512578 -0400 -@@ -143,6 +143,9 @@ initialize_server_options(ServerOptions - options->revoked_keys_file = NULL; - options->trusted_user_ca_keys = NULL; - options->authorized_principals_file = NULL; -+ options->tcp_rcv_buf_poll = -1; -+ options->hpn_disabled = -1; -+ options->hpn_buffer_size = -1; - options->ip_qos_interactive = -1; - options->ip_qos_bulk = -1; - options->version_addendum = NULL; -@@ -151,6 +154,11 @@ initialize_server_options(ServerOptions - void - fill_default_server_options(ServerOptions *options) - { -+ /* needed for hpn socket tests */ -+ int sock; -+ int socksize; -+ int socksizelen = sizeof(int); -+ - /* Portable-specific options */ - if (options->use_pam == -1) - options->use_pam = 0; -@@ -281,6 +289,43 @@ fill_default_server_options(ServerOption - options->permit_tun = SSH_TUNMODE_NO; - if (options->zero_knowledge_password_authentication == -1) - options->zero_knowledge_password_authentication = 0; -+ if (options->hpn_disabled == -1) -+ options->hpn_disabled = 0; -+ -+ if (options->hpn_buffer_size == -1) { -+ /* option not explicitly set. Now we have to figure out */ -+ /* what value to use */ -+ if (options->hpn_disabled == 1) { -+ options->hpn_buffer_size = CHAN_SES_WINDOW_DEFAULT; -+ } else { -+ /* get the current RCV size and set it to that */ -+ /*create a socket but don't connect it */ -+ /* we use that the get the rcv socket size */ -+ sock = socket(AF_INET, SOCK_STREAM, 0); -+ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, -+ &socksize, &socksizelen); -+ close(sock); -+ options->hpn_buffer_size = socksize; -+ debug ("HPN Buffer Size: %d", options->hpn_buffer_size); -+ -+ } -+ } else { -+ /* we have to do this incase the user sets both values in a contradictory */ -+ /* manner. hpn_disabled overrrides hpn_buffer_size*/ -+ if (options->hpn_disabled <= 0) { -+ if (options->hpn_buffer_size == 0) -+ options->hpn_buffer_size = 1; -+ /* limit the maximum buffer to 64MB */ -+ if (options->hpn_buffer_size > 64*1024) { -+ options->hpn_buffer_size = 64*1024*1024; -+ } else { -+ options->hpn_buffer_size *= 1024; -+ } -+ } else -+ options->hpn_buffer_size = CHAN_TCP_WINDOW_DEFAULT; -+ } -+ -+ - if (options->ip_qos_interactive == -1) - options->ip_qos_interactive = IPTOS_LOWDELAY; - if (options->ip_qos_bulk == -1) -@@ -332,6 +377,7 @@ typedef enum { - sUsePrivilegeSeparation, sAllowAgentForwarding, - sZeroKnowledgePasswordAuthentication, sHostCertificate, - sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile, -+ sTcpRcvBufPoll, sHPNDisabled, sHPNBufferSize, - sKexAlgorithms, sIPQoS, sVersionAddendum, - sAuthorizedKeysCommand, sAuthorizedKeysCommandUser, - sAuthenticationMethods, -@@ -457,6 +503,9 @@ static struct { - { "revokedkeys", sRevokedKeys, SSHCFG_ALL }, - { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL }, - { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL }, -+ { "hpndisabled", sHPNDisabled, SSHCFG_ALL }, -+ { "hpnbuffersize", sHPNBufferSize, SSHCFG_ALL }, -+ { "tcprcvbufpoll", sTcpRcvBufPoll, SSHCFG_ALL }, - { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL }, - { "ipqos", sIPQoS, SSHCFG_ALL }, - { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL }, -@@ -489,6 +538,7 @@ parse_token(const char *cp, const char * - - for (i = 0; keywords[i].name; i++) - if (strcasecmp(cp, keywords[i].name) == 0) { -+ debug ("Config token is %s", keywords[i].name); - *flags = keywords[i].flags; - return keywords[i].opcode; - } -@@ -1005,6 +1055,19 @@ process_server_config_line(ServerOptions - *intptr = value; - break; - -+ -+ case sTcpRcvBufPoll: -+ intptr = &options->tcp_rcv_buf_poll; -+ goto parse_flag; -+ -+ case sHPNDisabled: -+ intptr = &options->hpn_disabled; -+ goto parse_flag; -+ -+ case sHPNBufferSize: -+ intptr = &options->hpn_buffer_size; -+ goto parse_int; -+ - case sIgnoreUserKnownHosts: - intptr = &options->ignore_user_known_hosts; - goto parse_flag; -diff -rNuwpB canonical/servconf.h dynamic/servconf.h ---- canonical/servconf.h 2013-01-08 23:56:45.000000000 -0500 -+++ dynamic/servconf.h 2013-08-14 14:08:00.893421688 -0400 -@@ -164,6 +164,9 @@ typedef struct { - char *adm_forced_command; - - int use_pam; /* Enable auth via PAM */ -+ int tcp_rcv_buf_poll; /* poll tcp rcv window in autotuning kernels*/ -+ int hpn_disabled; /* disable hpn functionality. false by default */ -+ int hpn_buffer_size; /* set the hpn buffer size - default 3MB */ - - int permit_tun; - -diff -rNuwpB canonical/serverloop.c dynamic/serverloop.c ---- canonical/serverloop.c 2012-12-06 21:07:47.000000000 -0500 -+++ dynamic/serverloop.c 2013-08-14 13:56:39.128511264 -0400 -@@ -1011,8 +1011,12 @@ server_request_tun(void) - sock = tun_open(tun, mode); - if (sock < 0) - goto done; -+ if (options.hpn_disabled) - c = channel_new("tun", SSH_CHANNEL_OPEN, sock, sock, -1, - CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); -+ else -+ c = channel_new("tun", SSH_CHANNEL_OPEN, sock, sock, -1, -+ options.hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); - c->datagram = 1; - #if defined(SSH_TUN_FILTER) - if (mode == SSH_TUNMODE_POINTOPOINT) -@@ -1048,6 +1052,8 @@ server_request_session(void) - c = channel_new("session", SSH_CHANNEL_LARVAL, - -1, -1, -1, /*window size*/0, CHAN_SES_PACKET_DEFAULT, - 0, "server-session", 1); -+ if ((options.tcp_rcv_buf_poll) && (!options.hpn_disabled)) -+ c->dynamic_window = 1; - if (session_open(the_authctxt, c->self) != 1) { - debug("session open failed, free channel %d", c->self); - channel_free(c); -diff -rNuwpB canonical/session.c dynamic/session.c ---- canonical/session.c 2013-03-14 20:22:37.000000000 -0400 -+++ dynamic/session.c 2013-08-14 13:56:39.146511349 -0400 -@@ -236,6 +236,7 @@ auth_input_request_forwarding(struct pas - } - - /* Allocate a channel for the authentication agent socket. */ -+ /* this shouldn't matter if its hpn or not - cjr */ - nc = channel_new("auth socket", - SSH_CHANNEL_AUTH_SOCKET, sock, sock, -1, - CHAN_X11_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, -@@ -2286,10 +2287,16 @@ session_set_fds(Session *s, int fdin, in - */ - if (s->chanid == -1) - fatal("no channel for session %d", s->self); -+ if (options.hpn_disabled) - channel_set_fds(s->chanid, - fdout, fdin, fderr, - ignore_fderr ? CHAN_EXTENDED_IGNORE : CHAN_EXTENDED_READ, - 1, is_tty, CHAN_SES_WINDOW_DEFAULT); -+ else -+ channel_set_fds(s->chanid, -+ fdout, fdin, fderr, -+ ignore_fderr ? CHAN_EXTENDED_IGNORE : CHAN_EXTENDED_READ, -+ 1, is_tty, options.hpn_buffer_size); - } - - /* -diff -rNuwpB canonical/sftp.1 dynamic/sftp.1 ---- canonical/sftp.1 2011-09-22 07:34:15.000000000 -0400 -+++ dynamic/sftp.1 2013-08-14 13:56:39.114506902 -0400 -@@ -247,7 +247,8 @@ diagnostic messages from - Specify how many requests may be outstanding at any one time. - Increasing this may slightly improve file transfer speed - but will increase memory usage. --The default is 64 outstanding requests. -+The default is 256 outstanding requests providing for 8MB -+of outstanding data with a 32KB buffer. - .It Fl r - Recursively copy entire directories when uploading and downloading. - Note that -diff -rNuwpB canonical/sftp.c dynamic/sftp.c ---- canonical/sftp.c 2013-02-22 17:12:24.000000000 -0500 -+++ dynamic/sftp.c 2013-08-14 13:56:39.129511313 -0400 -@@ -65,7 +65,7 @@ typedef void EditLine; - #include "sftp-client.h" - - #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */ --#define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */ -+#define DEFAULT_NUM_REQUESTS 256 /* # concurrent outstanding requests */ - - /* File to read commands from */ - FILE* infile; -diff -rNuwpB canonical/ssh.c dynamic/ssh.c ---- canonical/ssh.c 2013-04-04 20:22:36.000000000 -0400 -+++ dynamic/ssh.c 2013-08-14 14:09:15.549478496 -0400 -@@ -1369,6 +1369,9 @@ ssh_session2_open(void) - { - Channel *c; - int window, packetmax, in, out, err; -+ int sock; -+ int socksize; -+ int socksizelen = sizeof(int); - - if (stdin_null_flag) { - in = open(_PATH_DEVNULL, O_RDONLY); -@@ -1389,9 +1392,74 @@ ssh_session2_open(void) - if (!isatty(err)) - set_nonblock(err); - -- window = CHAN_SES_WINDOW_DEFAULT; -+ /* we need to check to see if what they want to do about buffer */ -+ /* sizes here. In a hpn to nonhpn connection we want to limit */ -+ /* the window size to something reasonable in case the far side */ -+ /* has the large window bug. In hpn to hpn connection we want to */ -+ /* use the max window size but allow the user to override it */ -+ /* lastly if they disabled hpn then use the ssh std window size */ -+ -+ /* so why don't we just do a getsockopt() here and set the */ -+ /* ssh window to that? In the case of a autotuning receive */ -+ /* window the window would get stuck at the initial buffer */ -+ /* size generally less than 96k. Therefore we need to set the */ -+ /* maximum ssh window size to the maximum hpn buffer size */ -+ /* unless the user has specifically set the tcprcvbufpoll */ -+ /* to no. In which case we *can* just set the window to the */ -+ /* minimum of the hpn buffer size and tcp receive buffer size */ -+ -+ if (tty_flag) -+ options.hpn_buffer_size = CHAN_SES_WINDOW_DEFAULT; -+ else -+ options.hpn_buffer_size = 2*1024*1024; -+ -+ if (datafellows & SSH_BUG_LARGEWINDOW) -+ { -+ debug("HPN to Non-HPN Connection"); -+ } -+ else -+ { -+ if (options.tcp_rcv_buf_poll <= 0) -+ { -+ sock = socket(AF_INET, SOCK_STREAM, 0); -+ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, -+ &socksize, &socksizelen); -+ close(sock); -+ debug("socksize %d", socksize); -+ options.hpn_buffer_size = socksize; -+ debug ("HPNBufferSize set to TCP RWIN: %d", options.hpn_buffer_size); -+ } -+ else -+ { -+ if (options.tcp_rcv_buf > 0) -+ { -+ /*create a socket but don't connect it */ -+ /* we use that the get the rcv socket size */ -+ sock = socket(AF_INET, SOCK_STREAM, 0); -+ /* if they are using the tcp_rcv_buf option */ -+ /* attempt to set the buffer size to that */ -+ if (options.tcp_rcv_buf) -+ setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (void *)&options.tcp_rcv_buf, -+ sizeof(options.tcp_rcv_buf)); -+ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, -+ &socksize, &socksizelen); -+ close(sock); -+ debug("socksize %d", socksize); -+ options.hpn_buffer_size = socksize; -+ debug ("HPNBufferSize set to user TCPRcvBuf: %d", options.hpn_buffer_size); -+ } -+ } -+ } -+ -+ debug("Final hpn_buffer_size = %d", options.hpn_buffer_size); -+ -+ window = options.hpn_buffer_size; -+ -+ channel_set_hpn(options.hpn_disabled, options.hpn_buffer_size); -+ - packetmax = CHAN_SES_PACKET_DEFAULT; - if (tty_flag) { -+ window = 4*CHAN_SES_PACKET_DEFAULT; - window >>= 1; - packetmax >>= 1; - } -@@ -1400,6 +1468,10 @@ ssh_session2_open(void) - window, packetmax, CHAN_EXTENDED_WRITE, - "client-session", /*nonblock*/0); - -+ if ((options.tcp_rcv_buf_poll > 0) && (!options.hpn_disabled)) { -+ c->dynamic_window = 1; -+ debug ("Enabled Dynamic Window Scaling"); -+ } - debug3("ssh_session2_open: channel_new: %d", c->self); - - channel_send_open(c->self); -diff -rNuwpB canonical/sshconnect.c dynamic/sshconnect.c ---- canonical/sshconnect.c 2013-04-04 20:20:19.000000000 -0400 -+++ dynamic/sshconnect.c 2013-08-14 13:56:39.130511360 -0400 -@@ -189,6 +189,31 @@ ssh_kill_proxy_command(void) - } - - /* -+ * Set TCP receive buffer if requested. -+ * Note: tuning needs to happen after the socket is -+ * created but before the connection happens -+ * so winscale is negotiated properly -cjr -+ */ -+static void -+ssh_set_socket_recvbuf(int sock) -+{ -+ void *buf = (void *)&options.tcp_rcv_buf; -+ int sz = sizeof(options.tcp_rcv_buf); -+ int socksize; -+ int socksizelen = sizeof(int); -+ -+ debug("setsockopt Attempting to set SO_RCVBUF to %d", options.tcp_rcv_buf); -+ if (setsockopt(sock, SOL_SOCKET, SO_RCVBUF, buf, sz) >= 0) { -+ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, &socksize, &socksizelen); -+ debug("setsockopt SO_RCVBUF: %.100s %d", strerror(errno), socksize); -+ } -+ else -+ error("Couldn't set socket receive buffer to %d: %.100s", -+ options.tcp_rcv_buf, strerror(errno)); -+} -+ -+ -+/* - * Creates a (possibly privileged) socket for use as the ssh connection. - */ - static int -@@ -211,6 +236,8 @@ ssh_create_socket(int privileged, struct - strerror(errno)); - else - debug("Allocated local port %d.", p); -+ if (options.tcp_rcv_buf > 0) -+ ssh_set_socket_recvbuf(sock); - return sock; - } - sock = socket(ai->ai_family, ai->ai_socktype, ai->ai_protocol); -@@ -220,6 +247,9 @@ ssh_create_socket(int privileged, struct - } - fcntl(sock, F_SETFD, FD_CLOEXEC); - -+ if (options.tcp_rcv_buf > 0) -+ ssh_set_socket_recvbuf(sock); -+ - /* Bind the socket to an alternative local IP address */ - if (options.bind_address == NULL) - return sock; -@@ -442,10 +472,10 @@ send_client_banner(int connection_out, i - /* 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 -rNuwpB canonical/sshd.c dynamic/sshd.c ---- canonical/sshd.c 2013-02-11 19:04:48.000000000 -0500 -+++ dynamic/sshd.c 2013-08-14 14:10:20.793512623 -0400 -@@ -138,6 +138,9 @@ int deny_severity; - #define REEXEC_CONFIG_PASS_FD (STDERR_FILENO + 3) - #define REEXEC_MIN_FREE_FD (STDERR_FILENO + 4) - -+int myflag = 0; -+ -+ - extern char *__progname; - - /* Server configuration options. */ -@@ -430,7 +433,7 @@ sshd_exchange_identification(int sock_in - } - - 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); - -@@ -1038,6 +1041,8 @@ server_listen(void) - int ret, listen_sock, on = 1; - struct addrinfo *ai; - char ntop[NI_MAXHOST], strport[NI_MAXSERV]; -+ int socksize; -+ int socksizelen = sizeof(int); - - for (ai = options.listen_addrs; ai; ai = ai->ai_next) { - if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) -@@ -1078,6 +1083,11 @@ server_listen(void) - - debug("Bind to port %s on %s.", strport, ntop); - -+ getsockopt(listen_sock, SOL_SOCKET, SO_RCVBUF, -+ &socksize, &socksizelen); -+ debug("Server TCP RWIN socket size: %d", socksize); -+ debug("HPN Buffer Size: %d", options.hpn_buffer_size); -+ - /* Bind the socket to the desired port. */ - if (bind(listen_sock, ai->ai_addr, ai->ai_addrlen) < 0) { - error("Bind to port %s on %s failed: %.200s.", -@@ -1976,6 +1986,9 @@ main(int ac, char **av) - /* Log the connection. */ - verbose("Connection from %.500s port %d", remote_ip, remote_port); - -+ /* set the HPN options for the child */ -+ channel_set_hpn(options.hpn_disabled, options.hpn_buffer_size); -+ - /* - * We don't want to listen forever unless the other side - * successfully authenticates itself. So we set up an alarm which is -@@ -2332,6 +2345,8 @@ do_ssh2_kex(void) - { - Kex *kex; - -+ myflag++; -+ debug ("MYFLAG IS %d", myflag); - if (options.ciphers != NULL) { - myproposal[PROPOSAL_ENC_ALGS_CTOS] = - myproposal[PROPOSAL_ENC_ALGS_STOC] = options.ciphers; -diff -rNuwpB canonical/sshd_config dynamic/sshd_config ---- canonical/sshd_config 2013-02-11 19:02:09.000000000 -0500 -+++ dynamic/sshd_config 2013-08-14 14:09:54.107478485 -0400 -@@ -120,6 +120,17 @@ UsePrivilegeSeparation sandbox # Defaul - # override default of no subsystems - Subsystem sftp /usr/libexec/sftp-server - -+# the following are HPN related configuration options -+# tcp receive buffer polling. disable in non autotuning kernels -+#TcpRcvBufPoll yes -+ -+# disable hpn performance boosts -+#HPNDisabled no -+ -+# buffer size for hpn to non-hpn connections -+#HPNBufferSize 2048 -+ -+ - # Example of overriding settings on a per-user basis - #Match User anoncvs - # X11Forwarding no -diff -rNuwpB canonical/version.h dynamic/version.h ---- canonical/version.h 2013-05-10 02:02:21.000000000 -0400 -+++ dynamic/version.h 2013-08-14 15:27:52.736478576 -0400 -@@ -3,4 +3,5 @@ - #define SSH_VERSION "OpenSSH_6.3" - - #define SSH_PORTABLE "p1" --#define SSH_RELEASE SSH_VERSION SSH_PORTABLE -+#define SSH_HPN "-hpn14v1" -+#define SSH_RELEASE SSH_VERSION SSH_PORTABLE SSH_HPN diff --git a/main/openssh/openssh6.5-peaktput.diff b/main/openssh/openssh6.5-peaktput.diff new file mode 100644 index 0000000000..7307563783 --- /dev/null +++ b/main/openssh/openssh6.5-peaktput.diff @@ -0,0 +1,64 @@ +diff --git a/progressmeter.c b/progressmeter.c +index bbbc706..02e5d6d 100644 +--- a/progressmeter.c ++++ b/progressmeter.c +@@ -69,6 +69,8 @@ static char *file; /* name of the file being transferred */ + static off_t start_pos; /* initial position of transfer */ + static off_t end_pos; /* ending position of transfer */ + static off_t cur_pos; /* transfer position as of last refresh */ ++static off_t last_pos; ++static off_t max_delta_pos = 0; + static volatile off_t *counter; /* progress counter */ + static long stalled; /* how long we have been stalled */ + static int bytes_per_second; /* current speed in bytes per second */ +@@ -129,12 +131,17 @@ refresh_progress_meter(void) + int hours, minutes, seconds; + int i, len; + int file_len; ++ off_t delta_pos; + + transferred = *counter - (cur_pos ? cur_pos : start_pos); + cur_pos = *counter; + now = monotime(); + bytes_left = end_pos - cur_pos; + ++ delta_pos = cur_pos - last_pos; ++ if (delta_pos > max_delta_pos) ++ max_delta_pos = delta_pos; ++ + if (bytes_left > 0) + elapsed = now - last_update; + else { +@@ -159,7 +166,7 @@ refresh_progress_meter(void) + + /* filename */ + buf[0] = '\0'; +- file_len = win_size - 35; ++ file_len = win_size - 45; + if (file_len > 0) { + len = snprintf(buf, file_len + 1, "\r%s", file); + if (len < 0) +@@ -189,6 +196,15 @@ refresh_progress_meter(void) + (off_t)bytes_per_second); + strlcat(buf, "/s ", win_size); + ++ /* instantaneous rate */ ++ if (bytes_left > 0) ++ format_rate(buf + strlen(buf), win_size - strlen(buf), ++ delta_pos); ++ else ++ format_rate(buf + strlen(buf), win_size - strlen(buf), ++ max_delta_pos); ++ strlcat(buf, "/s ", win_size); ++ + /* ETA */ + if (!transferred) + stalled += elapsed; +@@ -225,6 +241,7 @@ refresh_progress_meter(void) + + atomicio(vwrite, STDOUT_FILENO, buf, win_size - 1); + last_update = now; ++ last_pos = cur_pos; + } + + /*ARGSUSED*/ diff --git a/main/openssh/openssh6.6-dynwindows.diff b/main/openssh/openssh6.6-dynwindows.diff new file mode 100644 index 0000000000..1708caa752 --- /dev/null +++ b/main/openssh/openssh6.6-dynwindows.diff @@ -0,0 +1,887 @@ +diff --git a/buffer.c b/buffer.c +index d240f67..88e16d0 100644 +--- a/buffer.c ++++ b/buffer.c +@@ -128,7 +128,7 @@ restart: + + /* Increase the size of the buffer and retry. */ + newlen = roundup(buffer->alloc + len, BUFFER_ALLOCSZ); +- if (newlen > BUFFER_MAX_LEN) ++ if (newlen > BUFFER_MAX_LEN_HPN) + fatal("buffer_append_space: alloc %u not supported", + newlen); + buffer->buf = xrealloc(buffer->buf, 1, newlen); +diff --git a/buffer.h b/buffer.h +index 7df8a38..244de01 100644 +--- a/buffer.h ++++ b/buffer.h +@@ -16,6 +16,9 @@ + #ifndef BUFFER_H + #define BUFFER_H + ++/* move the following to a more appropriate place and name */ ++#define BUFFER_MAX_LEN_HPN 0x4000000 /* 64MB */ ++ + typedef struct { + u_char *buf; /* Buffer for data. */ + u_int alloc; /* Number of bytes allocated for data. */ +diff --git a/channels.c b/channels.c +index 9efe89c..bb01516 100644 +--- a/channels.c ++++ b/channels.c +@@ -173,8 +173,14 @@ static void port_open_helper(Channel *c, char *rtype); + static int connect_next(struct channel_connect *); + static void channel_connect_ctx_free(struct channel_connect *); + ++ ++static int hpn_disabled = 0; ++static int hpn_buffer_size = 2 * 1024 * 1024; ++ + /* -- channel core */ + ++ ++ + Channel * + channel_by_id(int id) + { +@@ -323,6 +329,7 @@ channel_new(char *ctype, int type, int rfd, int wfd, int efd, + c->local_window_max = window; + c->local_consumed = 0; + c->local_maxpacket = maxpack; ++ c->dynamic_window = 0; + c->remote_id = -1; + c->remote_name = xstrdup(remote_name); + c->remote_window = 0; +@@ -819,11 +826,35 @@ channel_pre_open_13(Channel *c, fd_set *readset, fd_set *writeset) + FD_SET(c->sock, writeset); + } + ++int channel_tcpwinsz () { ++ u_int32_t tcpwinsz = 0; ++ socklen_t optsz = sizeof(tcpwinsz); ++ int ret = -1; ++ ++ /* if we aren't on a socket return 128KB*/ ++ if(!packet_connection_is_on_socket()) ++ return(128*1024); ++ ret = getsockopt(packet_get_connection_in(), ++ SOL_SOCKET, SO_RCVBUF, &tcpwinsz, &optsz); ++ /* return no more than 64MB */ ++ if ((ret == 0) && tcpwinsz > BUFFER_MAX_LEN_HPN) ++ tcpwinsz = BUFFER_MAX_LEN_HPN; ++ debug2("tcpwinsz: %d for connection: %d", tcpwinsz, ++ packet_get_connection_in()); ++ return(tcpwinsz); ++} ++ + static void + channel_pre_open(Channel *c, fd_set *readset, fd_set *writeset) + { + u_int limit = compat20 ? c->remote_window : packet_get_maxsize(); + ++ /* check buffer limits */ ++ if ((!c->tcpwinsz) || (c->dynamic_window > 0)) ++ c->tcpwinsz = channel_tcpwinsz(); ++ ++ limit = MIN(limit, 2 * c->tcpwinsz); ++ + if (c->istate == CHAN_INPUT_OPEN && + limit > 0 && + buffer_len(&c->input) < limit && +@@ -1815,14 +1846,21 @@ channel_check_window(Channel *c) + c->local_maxpacket*3) || + c->local_window < c->local_window_max/2) && + c->local_consumed > 0) { ++ u_int addition = 0; ++ /* adjust max window size if we are in a dynamic environment */ ++ if (c->dynamic_window && (c->tcpwinsz > c->local_window_max)) { ++ /* grow the window somewhat aggressively to maintain pressure */ ++ addition = 1.5*(c->tcpwinsz - c->local_window_max); ++ c->local_window_max += addition; ++ } + packet_start(SSH2_MSG_CHANNEL_WINDOW_ADJUST); + packet_put_int(c->remote_id); +- packet_put_int(c->local_consumed); ++ packet_put_int(c->local_consumed + addition); + packet_send(); + debug2("channel %d: window %d sent adjust %d", + c->self, c->local_window, + c->local_consumed); +- c->local_window += c->local_consumed; ++ c->local_window += c->local_consumed + addition; + c->local_consumed = 0; + } + return 1; +@@ -2738,6 +2776,15 @@ channel_fwd_bind_addr(const char *listen_addr, int *wildcardp, + return addr; + } + ++ ++void ++channel_set_hpn(int external_hpn_disabled, int external_hpn_buffer_size) ++{ ++ hpn_disabled = external_hpn_disabled; ++ hpn_buffer_size = external_hpn_buffer_size; ++ debug("HPN Disabled: %d, HPN Buffer Size: %d", hpn_disabled, hpn_buffer_size); ++} ++ + static int + channel_setup_fwd_listener(int type, const char *listen_addr, + u_short listen_port, int *allocated_listen_port, +@@ -2864,9 +2911,15 @@ channel_setup_fwd_listener(int type, const char *listen_addr, + } + + /* Allocate a channel number for the socket. */ ++ /* explicitly test for hpn disabled option. if true use smaller window size */ ++ if (hpn_disabled) + c = channel_new("port listener", type, sock, sock, -1, + CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, + 0, "port listener", 1); ++ else ++ c = channel_new("port listener", type, sock, sock, -1, ++ hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, ++ 0, "port listener", 1); + c->path = xstrdup(host); + c->host_port = port_to_connect; + c->listening_addr = addr == NULL ? NULL : xstrdup(addr); +@@ -3514,10 +3567,17 @@ x11_create_display_inet(int x11_display_offset, int x11_use_localhost, + *chanids = xcalloc(num_socks + 1, sizeof(**chanids)); + for (n = 0; n < num_socks; n++) { + sock = socks[n]; ++ /* Is this really necassary? */ ++ if (hpn_disabled) + nc = channel_new("x11 listener", + SSH_CHANNEL_X11_LISTENER, sock, sock, -1, + CHAN_X11_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, + 0, "X11 inet listener", 1); ++ else ++ nc = channel_new("x11 listener", ++ SSH_CHANNEL_X11_LISTENER, sock, sock, -1, ++ hpn_buffer_size, CHAN_X11_PACKET_DEFAULT, ++ 0, "X11 inet listener", 1); + nc->single_connection = single_connection; + (*chanids)[n] = nc->self; + } +diff --git a/channels.h b/channels.h +index 4fab9d7..91ef316 100644 +--- a/channels.h ++++ b/channels.h +@@ -132,8 +132,10 @@ struct Channel { + u_int local_window_max; + u_int local_consumed; + u_int local_maxpacket; ++ int dynamic_window; + int extended_usage; + int single_connection; ++ u_int tcpwinsz; + + char *ctype; /* type */ + +@@ -169,8 +171,10 @@ struct Channel { + /* default window/packet sizes for tcp/x11-fwd-channel */ + #define CHAN_SES_PACKET_DEFAULT (32*1024) + #define CHAN_SES_WINDOW_DEFAULT (64*CHAN_SES_PACKET_DEFAULT) ++ + #define CHAN_TCP_PACKET_DEFAULT (32*1024) + #define CHAN_TCP_WINDOW_DEFAULT (64*CHAN_TCP_PACKET_DEFAULT) ++ + #define CHAN_X11_PACKET_DEFAULT (16*1024) + #define CHAN_X11_WINDOW_DEFAULT (4*CHAN_X11_PACKET_DEFAULT) + +@@ -306,4 +310,7 @@ void chan_rcvd_ieof(Channel *); + void chan_write_failed(Channel *); + void chan_obuf_empty(Channel *); + ++/* hpn handler */ ++void channel_set_hpn(int, int); ++ + #endif +diff --git a/cipher.c b/cipher.c +index 53d9b4f..74ba34e 100644 +--- a/cipher.c ++++ b/cipher.c +@@ -71,7 +71,7 @@ struct Cipher { + const EVP_CIPHER *(*evptype)(void); + }; + +-static const struct Cipher ciphers[] = { ++static struct Cipher ciphers[] = { + { "none", SSH_CIPHER_NONE, 8, 0, 0, 0, 0, 0, EVP_enc_null }, + { "des", SSH_CIPHER_DES, 8, 8, 0, 0, 0, 1, EVP_des_cbc }, + { "3des", SSH_CIPHER_3DES, 8, 16, 0, 0, 0, 1, evp_ssh1_3des }, +@@ -193,7 +193,7 @@ cipher_mask_ssh1(int client) + const Cipher * + cipher_by_name(const char *name) + { +- const Cipher *c; ++ Cipher *c; + for (c = ciphers; c->name != NULL; c++) + if (strcmp(c->name, name) == 0) + return c; +diff --git a/clientloop.c b/clientloop.c +index 59ad3a2..e144fb6 100644 +--- a/clientloop.c ++++ b/clientloop.c +@@ -1891,9 +1891,15 @@ client_request_x11(const char *request_type, int rchan) + sock = x11_connect_display(); + if (sock < 0) + return NULL; ++ /* again is this really necessary for X11? */ ++ if (options.hpn_disabled) + c = channel_new("x11", + SSH_CHANNEL_X11_OPEN, sock, sock, -1, + CHAN_TCP_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, 0, "x11", 1); ++ else ++ c = channel_new("x11", ++ SSH_CHANNEL_X11_OPEN, sock, sock, -1, ++ options.hpn_buffer_size, CHAN_X11_PACKET_DEFAULT, 0, "x11", 1); + c->force_drain = 1; + return c; + } +@@ -1913,9 +1919,15 @@ client_request_agent(const char *request_type, int rchan) + sock = ssh_get_authentication_socket(); + if (sock < 0) + return NULL; ++ if (options.hpn_disabled) ++ c = channel_new("authentication agent connection", ++ SSH_CHANNEL_OPEN, sock, sock, -1, ++ CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_WINDOW_DEFAULT, 0, ++ "authentication agent connection", 1); ++ else + c = channel_new("authentication agent connection", + SSH_CHANNEL_OPEN, sock, sock, -1, +- CHAN_X11_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, ++ options.hpn_buffer_size, options.hpn_buffer_size, 0, + "authentication agent connection", 1); + c->force_drain = 1; + return c; +@@ -1943,10 +1955,18 @@ client_request_tun_fwd(int tun_mode, int local_tun, int remote_tun) + return -1; + } + ++ if(options.hpn_disabled) + c = channel_new("tun", SSH_CHANNEL_OPENING, fd, fd, -1, +- CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); ++ CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, ++ 0, "tun", 1); ++ else ++ c = channel_new("tun", SSH_CHANNEL_OPENING, fd, fd, -1, ++ options.hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, ++ 0, "tun", 1); + c->datagram = 1; + ++ ++ + #if defined(SSH_TUN_FILTER) + if (options.tun_open == SSH_TUNMODE_POINTOPOINT) + channel_register_filter(c->self, sys_tun_infilter, +diff --git a/compat.c b/compat.c +index 9d9fabe..235fc59 100644 +--- a/compat.c ++++ b/compat.c +@@ -172,6 +172,15 @@ compat_datafellows(const char *version) + if (match_pattern_list(version, check[i].pat, + strlen(check[i].pat), 0) == 1) { + datafellows = check[i].bugs; ++ /* Check to see if the remote side is OpenSSH and not HPN */ ++ if(strstr(version,"OpenSSH") != NULL) ++ { ++ if (strstr(version,"hpn") == NULL) ++ { ++ datafellows |= SSH_BUG_LARGEWINDOW; ++ debug("Remote is NON-HPN aware"); ++ } ++ } + debug("match: %s pat %s compat 0x%08x", + version, check[i].pat, datafellows); + return; +diff --git a/compat.h b/compat.h +index b174fa1..9937347 100644 +--- a/compat.h ++++ b/compat.h +@@ -59,6 +59,7 @@ + #define SSH_BUG_RFWD_ADDR 0x02000000 + #define SSH_NEW_OPENSSH 0x04000000 + #define SSH_BUG_DYNAMIC_RPORT 0x08000000 ++#define SSH_BUG_LARGEWINDOW 0x10000000 + + void enable_compat13(void); + void enable_compat20(void); +diff --git a/readconf.c b/readconf.c +index dc884c9..ce083f4 100644 +--- a/readconf.c ++++ b/readconf.c +@@ -149,6 +149,7 @@ typedef enum { + oKexAlgorithms, oIPQoS, oRequestTTY, oIgnoreUnknown, oProxyUseFdpass, + oCanonicalDomains, oCanonicalizeHostname, oCanonicalizeMaxDots, + oCanonicalizeFallbackLocal, oCanonicalizePermittedCNAMEs, ++ oTcpRcvBufPoll, oTcpRcvBuf, oHPNDisabled, oHPNBufferSize, + oIgnoredUnknownOption, oDeprecated, oUnsupported + } OpCodes; + +@@ -263,6 +264,11 @@ static struct { + { "canonicalizepermittedcnames", oCanonicalizePermittedCNAMEs }, + { "ignoreunknown", oIgnoreUnknown }, + ++ { "tcprcvbufpoll", oTcpRcvBufPoll }, ++ { "tcprcvbuf", oTcpRcvBuf }, ++ { "hpndisabled", oHPNDisabled }, ++ { "hpnbuffersize", oHPNBufferSize }, ++ + { NULL, oBadOption } + }; + +@@ -853,6 +859,18 @@ parse_time: + intptr = &options->check_host_ip; + goto parse_flag; + ++ case oHPNDisabled: ++ intptr = &options->hpn_disabled; ++ goto parse_flag; ++ ++ case oHPNBufferSize: ++ intptr = &options->hpn_buffer_size; ++ goto parse_int; ++ ++ case oTcpRcvBufPoll: ++ intptr = &options->tcp_rcv_buf_poll; ++ goto parse_flag; ++ + case oVerifyHostKeyDNS: + intptr = &options->verify_host_key_dns; + multistate_ptr = multistate_yesnoask; +@@ -1015,6 +1033,10 @@ parse_int: + intptr = &options->connection_attempts; + goto parse_int; + ++ case oTcpRcvBuf: ++ intptr = &options->tcp_rcv_buf; ++ goto parse_int; ++ + case oCipher: + intptr = &options->cipher; + arg = strdelim(&s); +@@ -1561,6 +1583,10 @@ initialize_options(Options * options) + options->ip_qos_interactive = -1; + options->ip_qos_bulk = -1; + options->request_tty = -1; ++ options->hpn_disabled = -1; ++ options->hpn_buffer_size = -1; ++ options->tcp_rcv_buf_poll = -1; ++ options->tcp_rcv_buf = -1; + options->proxy_use_fdpass = -1; + options->ignored_unknown = NULL; + options->num_canonical_domains = 0; +@@ -1707,6 +1733,28 @@ fill_default_options(Options * options) + options->server_alive_interval = 0; + if (options->server_alive_count_max == -1) + options->server_alive_count_max = 3; ++ if (options->hpn_disabled == -1) ++ options->hpn_disabled = 0; ++ if (options->hpn_buffer_size > -1) ++ { ++ /* if a user tries to set the size to 0 set it to 1KB */ ++ if (options->hpn_buffer_size == 0) ++ options->hpn_buffer_size = 1; ++ /*limit the buffer to 64MB*/ ++ if (options->hpn_buffer_size > 64*1024) ++ { ++ options->hpn_buffer_size = 64*1024*1024; ++ debug("User requested buffer larger than 64MB. Request reverted to 64MB"); ++ } ++ else options->hpn_buffer_size *= 1024; ++ debug("hpn_buffer_size set to %d", options->hpn_buffer_size); ++ } ++ if (options->tcp_rcv_buf == 0) ++ options->tcp_rcv_buf = 1; ++ if (options->tcp_rcv_buf > -1) ++ options->tcp_rcv_buf *=1024; ++ if (options->tcp_rcv_buf_poll == -1) ++ options->tcp_rcv_buf_poll = 1; + if (options->control_master == -1) + options->control_master = 0; + if (options->control_persist == -1) { +diff --git a/readconf.h b/readconf.h +index 75e3f8f..a471114 100644 +--- a/readconf.h ++++ b/readconf.h +@@ -66,6 +66,10 @@ typedef struct { + int compression_level; /* Compression level 1 (fast) to 9 + * (best). */ + int tcp_keep_alive; /* Set SO_KEEPALIVE. */ ++ int tcp_rcv_buf; /* user switch to set tcp recv buffer */ ++ int tcp_rcv_buf_poll; /* Option to poll recv buf every window transfer */ ++ int hpn_disabled; /* Switch to disable HPN buffer management */ ++ int hpn_buffer_size; /* User definable size for HPN buffer window */ + int ip_qos_interactive; /* IP ToS/DSCP/class for interactive */ + int ip_qos_bulk; /* IP ToS/DSCP/class for bulk traffic */ + LogLevel log_level; /* Level for logging. */ +diff --git a/scp.c b/scp.c +index 18d3b1d..2ab8f15 100644 +--- a/scp.c ++++ b/scp.c +@@ -749,7 +749,7 @@ source(int argc, char **argv) + off_t i, statbytes; + size_t amt; + int fd = -1, haderr, indx; +- char *last, *name, buf[2048], encname[MAXPATHLEN]; ++ char *last, *name, buf[16384], encname[MAXPATHLEN]; + int len; + + for (indx = 0; indx < argc; ++indx) { +@@ -914,7 +914,7 @@ sink(int argc, char **argv) + off_t size, statbytes; + unsigned long long ull; + int setimes, targisdir, wrerrno = 0; +- char ch, *cp, *np, *targ, *why, *vect[1], buf[2048]; ++ char ch, *cp, *np, *targ, *why, *vect[1], buf[16384]; + struct timeval tv[2]; + + #define atime tv[0] +diff --git a/servconf.c b/servconf.c +index 7ba65d5..32bb711 100644 +--- a/servconf.c ++++ b/servconf.c +@@ -150,6 +150,9 @@ initialize_server_options(ServerOptions *options) + options->revoked_keys_file = NULL; + options->trusted_user_ca_keys = NULL; + options->authorized_principals_file = NULL; ++ options->tcp_rcv_buf_poll = -1; ++ options->hpn_disabled = -1; ++ options->hpn_buffer_size = -1; + options->ip_qos_interactive = -1; + options->ip_qos_bulk = -1; + options->version_addendum = NULL; +@@ -158,6 +161,11 @@ initialize_server_options(ServerOptions *options) + void + fill_default_server_options(ServerOptions *options) + { ++ /* needed for hpn socket tests */ ++ int sock; ++ int socksize; ++ int socksizelen = sizeof(int); ++ + /* Portable-specific options */ + if (options->use_pam == -1) + options->use_pam = 0; +@@ -294,6 +302,41 @@ fill_default_server_options(ServerOptions *options) + } + if (options->permit_tun == -1) + options->permit_tun = SSH_TUNMODE_NO; ++ if (options->hpn_disabled == -1) ++ options->hpn_disabled = 0; ++ ++ if (options->hpn_buffer_size == -1) { ++ /* option not explicitly set. Now we have to figure out */ ++ /* what value to use */ ++ if (options->hpn_disabled == 1) { ++ options->hpn_buffer_size = CHAN_SES_WINDOW_DEFAULT; ++ } else { ++ /* get the current RCV size and set it to that */ ++ /*create a socket but don't connect it */ ++ /* we use that the get the rcv socket size */ ++ sock = socket(AF_INET, SOCK_STREAM, 0); ++ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, ++ &socksize, &socksizelen); ++ close(sock); ++ options->hpn_buffer_size = socksize; ++ debug ("HPN Buffer Size: %d", options->hpn_buffer_size); ++ } ++ } else { ++ /* we have to do this incase the user sets both values in a contradictory */ ++ /* manner. hpn_disabled overrrides hpn_buffer_size*/ ++ if (options->hpn_disabled <= 0) { ++ if (options->hpn_buffer_size == 0) ++ options->hpn_buffer_size = 1; ++ /* limit the maximum buffer to 64MB */ ++ if (options->hpn_buffer_size > 64*1024) { ++ options->hpn_buffer_size = 64*1024*1024; ++ } else { ++ options->hpn_buffer_size *= 1024; ++ } ++ } else ++ options->hpn_buffer_size = CHAN_TCP_WINDOW_DEFAULT; ++ } ++ + if (options->ip_qos_interactive == -1) + options->ip_qos_interactive = IPTOS_LOWDELAY; + if (options->ip_qos_bulk == -1) +@@ -345,6 +388,7 @@ typedef enum { + sUsePrivilegeSeparation, sAllowAgentForwarding, + sHostCertificate, + sRevokedKeys, sTrustedUserCAKeys, sAuthorizedPrincipalsFile, ++ sTcpRcvBufPoll, sHPNDisabled, sHPNBufferSize, + sKexAlgorithms, sIPQoS, sVersionAddendum, + sAuthorizedKeysCommand, sAuthorizedKeysCommandUser, + sAuthenticationMethods, sHostKeyAgent, +@@ -468,6 +512,9 @@ static struct { + { "revokedkeys", sRevokedKeys, SSHCFG_ALL }, + { "trustedusercakeys", sTrustedUserCAKeys, SSHCFG_ALL }, + { "authorizedprincipalsfile", sAuthorizedPrincipalsFile, SSHCFG_ALL }, ++ { "hpndisabled", sHPNDisabled, SSHCFG_ALL }, ++ { "hpnbuffersize", sHPNBufferSize, SSHCFG_ALL }, ++ { "tcprcvbufpoll", sTcpRcvBufPoll, SSHCFG_ALL }, + { "kexalgorithms", sKexAlgorithms, SSHCFG_GLOBAL }, + { "ipqos", sIPQoS, SSHCFG_ALL }, + { "authorizedkeyscommand", sAuthorizedKeysCommand, SSHCFG_ALL }, +@@ -500,6 +547,7 @@ parse_token(const char *cp, const char *filename, + + for (i = 0; keywords[i].name; i++) + if (strcasecmp(cp, keywords[i].name) == 0) { ++ debug ("Config token is %s", keywords[i].name); + *flags = keywords[i].flags; + return keywords[i].opcode; + } +@@ -1042,6 +1090,19 @@ process_server_config_line(ServerOptions *options, char *line, + *intptr = value; + break; + ++ ++ case sTcpRcvBufPoll: ++ intptr = &options->tcp_rcv_buf_poll; ++ goto parse_flag; ++ ++ case sHPNDisabled: ++ intptr = &options->hpn_disabled; ++ goto parse_flag; ++ ++ case sHPNBufferSize: ++ intptr = &options->hpn_buffer_size; ++ goto parse_int; ++ + case sIgnoreUserKnownHosts: + intptr = &options->ignore_user_known_hosts; + goto parse_flag; +diff --git a/servconf.h b/servconf.h +index 752d1c5..0b9f59d 100644 +--- a/servconf.h ++++ b/servconf.h +@@ -164,6 +164,9 @@ typedef struct { + char *adm_forced_command; + + int use_pam; /* Enable auth via PAM */ ++ int tcp_rcv_buf_poll; /* poll tcp rcv window in autotuning kernels*/ ++ int hpn_disabled; /* disable hpn functionality. false by default */ ++ int hpn_buffer_size; /* set the hpn buffer size - default 3MB */ + + int permit_tun; + +diff --git a/serverloop.c b/serverloop.c +index 2f8e3a0..4868e5f 100644 +--- a/serverloop.c ++++ b/serverloop.c +@@ -1015,8 +1015,12 @@ server_request_tun(void) + sock = tun_open(tun, mode); + if (sock < 0) + goto done; ++ if (options.hpn_disabled) + c = channel_new("tun", SSH_CHANNEL_OPEN, sock, sock, -1, + CHAN_TCP_WINDOW_DEFAULT, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); ++ else ++ c = channel_new("tun", SSH_CHANNEL_OPEN, sock, sock, -1, ++ options.hpn_buffer_size, CHAN_TCP_PACKET_DEFAULT, 0, "tun", 1); + c->datagram = 1; + #if defined(SSH_TUN_FILTER) + if (mode == SSH_TUNMODE_POINTOPOINT) +@@ -1052,6 +1056,8 @@ server_request_session(void) + c = channel_new("session", SSH_CHANNEL_LARVAL, + -1, -1, -1, /*window size*/0, CHAN_SES_PACKET_DEFAULT, + 0, "server-session", 1); ++ if ((options.tcp_rcv_buf_poll) && (!options.hpn_disabled)) ++ c->dynamic_window = 1; + if (session_open(the_authctxt, c->self) != 1) { + debug("session open failed, free channel %d", c->self); + channel_free(c); +diff --git a/session.c b/session.c +index 2bcf818..817afc9 100644 +--- a/session.c ++++ b/session.c +@@ -237,6 +237,7 @@ auth_input_request_forwarding(struct passwd * pw) + } + + /* Allocate a channel for the authentication agent socket. */ ++ /* this shouldn't matter if its hpn or not - cjr */ + nc = channel_new("auth socket", + SSH_CHANNEL_AUTH_SOCKET, sock, sock, -1, + CHAN_X11_WINDOW_DEFAULT, CHAN_X11_PACKET_DEFAULT, +@@ -2331,10 +2332,16 @@ session_set_fds(Session *s, int fdin, int fdout, int fderr, int ignore_fderr, + */ + if (s->chanid == -1) + fatal("no channel for session %d", s->self); ++ if (options.hpn_disabled) + channel_set_fds(s->chanid, + fdout, fdin, fderr, + ignore_fderr ? CHAN_EXTENDED_IGNORE : CHAN_EXTENDED_READ, + 1, is_tty, CHAN_SES_WINDOW_DEFAULT); ++ else ++ channel_set_fds(s->chanid, ++ fdout, fdin, fderr, ++ ignore_fderr ? CHAN_EXTENDED_IGNORE : CHAN_EXTENDED_READ, ++ 1, is_tty, options.hpn_buffer_size); + } + + /* +diff --git a/sftp.1 b/sftp.1 +index a700c2a..8e00b13 100644 +--- a/sftp.1 ++++ b/sftp.1 +@@ -261,7 +261,8 @@ diagnostic messages from + Specify how many requests may be outstanding at any one time. + Increasing this may slightly improve file transfer speed + but will increase memory usage. +-The default is 64 outstanding requests. ++The default is 256 outstanding requests providing for 8MB ++of outstanding data with a 32KB buffer. + .It Fl r + Recursively copy entire directories when uploading and downloading. + Note that +diff --git a/sftp.c b/sftp.c +index ad1f8c8..1575d5e 100644 +--- a/sftp.c ++++ b/sftp.c +@@ -68,7 +68,7 @@ typedef void EditLine; + #include "sftp-client.h" + + #define DEFAULT_COPY_BUFLEN 32768 /* Size of buffer for up/download */ +-#define DEFAULT_NUM_REQUESTS 64 /* # concurrent outstanding requests */ ++#define DEFAULT_NUM_REQUESTS 256 /* # concurrent outstanding requests */ + + /* File to read commands from */ + FILE* infile; +diff --git a/ssh.c b/ssh.c +index 1e6cb90..7c91d6d 100644 +--- a/ssh.c ++++ b/ssh.c +@@ -1611,6 +1611,9 @@ ssh_session2_open(void) + { + Channel *c; + int window, packetmax, in, out, err; ++ int sock; ++ int socksize; ++ int socksizelen = sizeof(int); + + if (stdin_null_flag) { + in = open(_PATH_DEVNULL, O_RDONLY); +@@ -1631,9 +1634,74 @@ ssh_session2_open(void) + if (!isatty(err)) + set_nonblock(err); + +- window = CHAN_SES_WINDOW_DEFAULT; ++ /* we need to check to see if what they want to do about buffer */ ++ /* sizes here. In a hpn to nonhpn connection we want to limit */ ++ /* the window size to something reasonable in case the far side */ ++ /* has the large window bug. In hpn to hpn connection we want to */ ++ /* use the max window size but allow the user to override it */ ++ /* lastly if they disabled hpn then use the ssh std window size */ ++ ++ /* so why don't we just do a getsockopt() here and set the */ ++ /* ssh window to that? In the case of a autotuning receive */ ++ /* window the window would get stuck at the initial buffer */ ++ /* size generally less than 96k. Therefore we need to set the */ ++ /* maximum ssh window size to the maximum hpn buffer size */ ++ /* unless the user has specifically set the tcprcvbufpoll */ ++ /* to no. In which case we *can* just set the window to the */ ++ /* minimum of the hpn buffer size and tcp receive buffer size */ ++ ++ if (tty_flag) ++ options.hpn_buffer_size = CHAN_SES_WINDOW_DEFAULT; ++ else ++ options.hpn_buffer_size = 2*1024*1024; ++ ++ if (datafellows & SSH_BUG_LARGEWINDOW) ++ { ++ debug("HPN to Non-HPN Connection"); ++ } ++ else ++ { ++ if (options.tcp_rcv_buf_poll <= 0) ++ { ++ sock = socket(AF_INET, SOCK_STREAM, 0); ++ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, ++ &socksize, &socksizelen); ++ close(sock); ++ debug("socksize %d", socksize); ++ options.hpn_buffer_size = socksize; ++ debug ("HPNBufferSize set to TCP RWIN: %d", options.hpn_buffer_size); ++ } ++ else ++ { ++ if (options.tcp_rcv_buf > 0) ++ { ++ /*create a socket but don't connect it */ ++ /* we use that the get the rcv socket size */ ++ sock = socket(AF_INET, SOCK_STREAM, 0); ++ /* if they are using the tcp_rcv_buf option */ ++ /* attempt to set the buffer size to that */ ++ if (options.tcp_rcv_buf) ++ setsockopt(sock, SOL_SOCKET, SO_RCVBUF, (void *)&options.tcp_rcv_buf, ++ sizeof(options.tcp_rcv_buf)); ++ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, ++ &socksize, &socksizelen); ++ close(sock); ++ debug("socksize %d", socksize); ++ options.hpn_buffer_size = socksize; ++ debug ("HPNBufferSize set to user TCPRcvBuf: %d", options.hpn_buffer_size); ++ } ++ } ++ } ++ ++ debug("Final hpn_buffer_size = %d", options.hpn_buffer_size); ++ ++ window = options.hpn_buffer_size; ++ ++ channel_set_hpn(options.hpn_disabled, options.hpn_buffer_size); ++ + packetmax = CHAN_SES_PACKET_DEFAULT; + if (tty_flag) { ++ window = 4*CHAN_SES_PACKET_DEFAULT; + window >>= 1; + packetmax >>= 1; + } +@@ -1642,6 +1710,10 @@ ssh_session2_open(void) + window, packetmax, CHAN_EXTENDED_WRITE, + "client-session", /*nonblock*/0); + ++ if ((options.tcp_rcv_buf_poll > 0) && (!options.hpn_disabled)) { ++ c->dynamic_window = 1; ++ debug ("Enabled Dynamic Window Scaling"); ++ } + debug3("ssh_session2_open: channel_new: %d", c->self); + + channel_send_open(c->self); +diff --git a/sshconnect.c b/sshconnect.c +index 573d7a8..9cf6947 100644 +--- a/sshconnect.c ++++ b/sshconnect.c +@@ -263,6 +263,31 @@ ssh_kill_proxy_command(void) + } + + /* ++ * Set TCP receive buffer if requested. ++ * Note: tuning needs to happen after the socket is ++ * created but before the connection happens ++ * so winscale is negotiated properly -cjr ++ */ ++static void ++ssh_set_socket_recvbuf(int sock) ++{ ++ void *buf = (void *)&options.tcp_rcv_buf; ++ int sz = sizeof(options.tcp_rcv_buf); ++ int socksize; ++ int socksizelen = sizeof(int); ++ ++ debug("setsockopt Attempting to set SO_RCVBUF to %d", options.tcp_rcv_buf); ++ if (setsockopt(sock, SOL_SOCKET, SO_RCVBUF, buf, sz) >= 0) { ++ getsockopt(sock, SOL_SOCKET, SO_RCVBUF, &socksize, &socksizelen); ++ debug("setsockopt SO_RCVBUF: %.100s %d", strerror(errno), socksize); ++ } ++ else ++ error("Couldn't set socket receive buffer to %d: %.100s", ++ options.tcp_rcv_buf, strerror(errno)); ++} ++ ++ ++/* + * Creates a (possibly privileged) socket for use as the ssh connection. + */ + static int +@@ -278,6 +303,9 @@ ssh_create_socket(int privileged, struct addrinfo *ai) + } + fcntl(sock, F_SETFD, FD_CLOEXEC); + ++ if (options.tcp_rcv_buf > 0) ++ ssh_set_socket_recvbuf(sock); ++ + /* Bind the socket to an alternative local IP address */ + if (options.bind_address == NULL && !privileged) + return sock; +@@ -520,10 +548,10 @@ 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 7523de9..9623887 100644 +--- a/sshd.c ++++ b/sshd.c +@@ -436,7 +436,7 @@ 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); + +@@ -1082,6 +1082,8 @@ server_listen(void) + int ret, listen_sock, on = 1; + struct addrinfo *ai; + char ntop[NI_MAXHOST], strport[NI_MAXSERV]; ++ int socksize; ++ int socksizelen = sizeof(int); + + for (ai = options.listen_addrs; ai; ai = ai->ai_next) { + if (ai->ai_family != AF_INET && ai->ai_family != AF_INET6) +@@ -1122,6 +1124,11 @@ server_listen(void) + + debug("Bind to port %s on %s.", strport, ntop); + ++ getsockopt(listen_sock, SOL_SOCKET, SO_RCVBUF, ++ &socksize, &socksizelen); ++ debug("Server TCP RWIN socket size: %d", socksize); ++ debug("HPN Buffer Size: %d", options.hpn_buffer_size); ++ + /* Bind the socket to the desired port. */ + if (bind(listen_sock, ai->ai_addr, ai->ai_addrlen) < 0) { + error("Bind to port %s on %s failed: %.200s.", +@@ -2058,6 +2065,9 @@ main(int ac, char **av) + remote_ip, remote_port, + get_local_ipaddr(sock_in), get_local_port()); + ++ /* set the HPN options for the child */ ++ channel_set_hpn(options.hpn_disabled, options.hpn_buffer_size); ++ + /* + * We don't want to listen forever unless the other side + * successfully authenticates itself. So we set up an alarm which is +diff --git a/sshd_config b/sshd_config +index e9045bc..7495fc9 100644 +--- a/sshd_config ++++ b/sshd_config +@@ -125,6 +125,17 @@ UsePrivilegeSeparation sandbox # Default for new installations. + # override default of no subsystems + Subsystem sftp /usr/libexec/sftp-server + ++# the following are HPN related configuration options ++# tcp receive buffer polling. disable in non autotuning kernels ++#TcpRcvBufPoll yes ++ ++# disable hpn performance boosts ++#HPNDisabled no ++ ++# buffer size for hpn to non-hpn connections ++#HPNBufferSize 2048 ++ ++ + # Example of overriding settings on a per-user basis + #Match User anoncvs + # X11Forwarding no +diff --git a/version.h b/version.h +index a1579ac..4fe1849 100644 +--- a/version.h ++++ b/version.h +@@ -3,4 +3,5 @@ + #define SSH_VERSION "OpenSSH_6.6" + + #define SSH_PORTABLE "p1" +-#define SSH_RELEASE SSH_VERSION SSH_PORTABLE ++#define SSH_HPN "-hpn14v4" ++#define SSH_RELEASE SSH_VERSION SSH_PORTABLE SSH_HPN -- cgit v1.2.3