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-rw-r--r--docs/cmdline-opts/Makefile.inc3
-rw-r--r--docs/cmdline-opts/compressed-ssh.d6
-rw-r--r--docs/libcurl/curl_easy_setopt.32
-rw-r--r--docs/libcurl/opts/CURLOPT_SSH_COMPRESSION.358
-rw-r--r--docs/libcurl/opts/Makefile.inc1
-rw-r--r--docs/libcurl/symbols-in-versions1
-rw-r--r--include/curl/curl.h3
-rw-r--r--lib/ssh.c7
-rw-r--r--lib/url.c3
-rw-r--r--lib/urldata.h1
-rw-r--r--packages/OS400/curl.inc.in2
-rw-r--r--src/tool_cfgable.h1
-rw-r--r--src/tool_getparam.c4
-rw-r--r--src/tool_help.c2
-rw-r--r--src/tool_operate.c4
-rw-r--r--tests/data/Makefile.inc2
-rw-r--r--tests/data/test64242
17 files changed, 140 insertions, 2 deletions
diff --git a/docs/cmdline-opts/Makefile.inc b/docs/cmdline-opts/Makefile.inc
index 7eea5c6c5..e8f46410b 100644
--- a/docs/cmdline-opts/Makefile.inc
+++ b/docs/cmdline-opts/Makefile.inc
@@ -1,7 +1,8 @@
# Shared between Makefile.am and CMakeLists.txt
DPAGES = abstract-unix-socket.d anyauth.d append.d basic.d cacert.d capath.d cert.d \
- cert-status.d cert-type.d ciphers.d compressed.d config.d \
+ cert-status.d cert-type.d ciphers.d compressed.d compressed-ssh.d \
+ config.d \
connect-timeout.d connect-to.d continue-at.d cookie.d cookie-jar.d \
create-dirs.d crlf.d crlfile.d data-ascii.d data-binary.d data.d \
data-raw.d data-urlencode.d delegation.d digest.d disable.d \
diff --git a/docs/cmdline-opts/compressed-ssh.d b/docs/cmdline-opts/compressed-ssh.d
new file mode 100644
index 000000000..beb5cb7f4
--- /dev/null
+++ b/docs/cmdline-opts/compressed-ssh.d
@@ -0,0 +1,6 @@
+Long: compressed-ssh
+Help: Enable SSH compression
+Protocols: SCP SFTP
+---
+Enables built-in SSH compression.
+This is a request, not an order; the server may or may not do it.
diff --git a/docs/libcurl/curl_easy_setopt.3 b/docs/libcurl/curl_easy_setopt.3
index 26f73ee14..01dfa85b6 100644
--- a/docs/libcurl/curl_easy_setopt.3
+++ b/docs/libcurl/curl_easy_setopt.3
@@ -547,6 +547,8 @@ Disable GSS-API delegation. See \fICURLOPT_GSSAPI_DELEGATION(3)\fP
.SH SSH OPTIONS
.IP CURLOPT_SSH_AUTH_TYPES
SSH authentication types. See \fICURLOPT_SSH_AUTH_TYPES(3)\fP
+.IP CURLOPT_SSH_COMPRESSION
+Enable SSH compression. See \fICURLOPT_SSH_COMPRESSION(3)\fP
.IP CURLOPT_SSH_HOST_PUBLIC_KEY_MD5
MD5 of host's public key. See \fICURLOPT_SSH_HOST_PUBLIC_KEY_MD5(3)\fP
.IP CURLOPT_SSH_PUBLIC_KEYFILE
diff --git a/docs/libcurl/opts/CURLOPT_SSH_COMPRESSION.3 b/docs/libcurl/opts/CURLOPT_SSH_COMPRESSION.3
new file mode 100644
index 000000000..193320512
--- /dev/null
+++ b/docs/libcurl/opts/CURLOPT_SSH_COMPRESSION.3
@@ -0,0 +1,58 @@
+.\" **************************************************************************
+.\" * _ _ ____ _
+.\" * Project ___| | | | _ \| |
+.\" * / __| | | | |_) | |
+.\" * | (__| |_| | _ <| |___
+.\" * \___|\___/|_| \_\_____|
+.\" *
+.\" * Copyright (C) 1998 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+.\" *
+.\" * This software is licensed as described in the file COPYING, which
+.\" * you should have received as part of this distribution. The terms
+.\" * are also available at https://curl.haxx.se/docs/copyright.html.
+.\" *
+.\" * You may opt to use, copy, modify, merge, publish, distribute and/or sell
+.\" * copies of the Software, and permit persons to whom the Software is
+.\" * furnished to do so, under the terms of the COPYING file.
+.\" *
+.\" * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
+.\" * KIND, either express or implied.
+.\" *
+.\" **************************************************************************
+.\"
+.TH CURLOPT_SSH_COMPRESSION 3 "05 Aug 2017" "libcurl 7.56.0" "curl_easy_setopt options"
+.SH NAME
+CURLOPT_SSH_COMPRESSION \- enables automatic decompression of HTTP downloads
+.SH SYNOPSIS
+#include <curl/curl.h>
+
+CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSH_COMPRESSION, long enable);
+.SH DESCRIPTION
+Pass a long as parameter to enable or disable.
+
+Enables built-in SSH compression.
+This is a request, not an order; the server may or may not do it.
+.SH DEFAULT
+
+.SH PROTOCOLS
+All SSH based protocols: SCP, SFTP
+.SH EXAMPLE
+.nf
+CURL *curl = curl_easy_init();
+if(curl) {
+ curl_easy_setopt(curl, CURLOPT_URL, "sftp://example.com");
+
+ /* enable built-in compression */
+ curl_easy_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
+
+ /* Perform the request */
+ curl_easy_perform(curl);
+}
+.fi
+.SH AVAILABILITY
+Added in 7.56.0
+.SH RETURN VALUE
+Returns CURLE_OK if the option is supported, CURLE_UNKNOWN_OPTION if not, or
+CURLE_OUT_OF_MEMORY if there was insufficient heap space.
+.SH "SEE ALSO"
+.BR CURLOPT_ACCEPT_ENCODING "(3), " CURLOPT_TRANSFER_ENCODING "(3), "
diff --git a/docs/libcurl/opts/Makefile.inc b/docs/libcurl/opts/Makefile.inc
index c3db5d225..ad09dce2d 100644
--- a/docs/libcurl/opts/Makefile.inc
+++ b/docs/libcurl/opts/Makefile.inc
@@ -258,6 +258,7 @@ man_MANS = \
CURLOPT_SOCKS5_GSSAPI_NEC.3 \
CURLOPT_SOCKS5_GSSAPI_SERVICE.3 \
CURLOPT_SSH_AUTH_TYPES.3 \
+ CURLOPT_SSH_COMPRESSION.3 \
CURLOPT_SSH_HOST_PUBLIC_KEY_MD5.3 \
CURLOPT_SSH_KEYDATA.3 \
CURLOPT_SSH_KEYFUNCTION.3 \
diff --git a/docs/libcurl/symbols-in-versions b/docs/libcurl/symbols-in-versions
index e141b6a57..d3a2ff886 100644
--- a/docs/libcurl/symbols-in-versions
+++ b/docs/libcurl/symbols-in-versions
@@ -540,6 +540,7 @@ CURLOPT_SOURCE_QUOTE 7.13.0 - 7.15.5
CURLOPT_SOURCE_URL 7.13.0 - 7.15.5
CURLOPT_SOURCE_USERPWD 7.12.1 - 7.15.5
CURLOPT_SSH_AUTH_TYPES 7.16.1
+CURLOPT_SSH_COMPRESSION 7.56.0
CURLOPT_SSH_HOST_PUBLIC_KEY_MD5 7.17.1
CURLOPT_SSH_KEYDATA 7.19.6
CURLOPT_SSH_KEYFUNCTION 7.19.6
diff --git a/include/curl/curl.h b/include/curl/curl.h
index 82fb8aeb8..3936d1e43 100644
--- a/include/curl/curl.h
+++ b/include/curl/curl.h
@@ -1788,6 +1788,9 @@ typedef enum {
/* bitmask of allowed auth methods for connections to SOCKS5 proxies */
CINIT(SOCKS5_AUTH, LONG, 267),
+ /* Enable/disable SSH compression */
+ CINIT(SSH_COMPRESSION, LONG, 268),
+
CURLOPT_LASTENTRY /* the last unused */
} CURLoption;
diff --git a/lib/ssh.c b/lib/ssh.c
index cc5178fe7..28f709ada 100644
--- a/lib/ssh.c
+++ b/lib/ssh.c
@@ -2942,6 +2942,13 @@ static CURLcode ssh_connect(struct connectdata *conn, bool *done)
return CURLE_FAILED_INIT;
}
+ if(data->set.ssh_compression) {
+#if LIBSSH2_VERSION_NUM >= 0x010208
+ if(libssh2_session_flag(ssh->ssh_session, LIBSSH2_FLAG_COMPRESS, 1) < 0)
+#endif
+ infof(data, "Failed to enable compression for ssh session\n");
+ }
+
#ifdef HAVE_LIBSSH2_KNOWNHOST_API
if(data->set.str[STRING_SSH_KNOWNHOSTS]) {
int rc;
diff --git a/lib/url.c b/lib/url.c
index 71d4d8bb7..32623abe5 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -2936,6 +2936,9 @@ CURLcode Curl_setopt(struct Curl_easy *data, CURLoption option,
case CURLOPT_SUPPRESS_CONNECT_HEADERS:
data->set.suppress_connect_headers = (0 != va_arg(param, long))?TRUE:FALSE;
break;
+ case CURLOPT_SSH_COMPRESSION:
+ data->set.ssh_compression = (0 != va_arg(param, long))?TRUE:FALSE;
+ break;
default:
/* unknown tag and its companion, just ignore: */
result = CURLE_UNKNOWN_OPTION;
diff --git a/lib/urldata.h b/lib/urldata.h
index e45baff17..b0faa9a35 100644
--- a/lib/urldata.h
+++ b/lib/urldata.h
@@ -1742,6 +1742,7 @@ struct UserDefined {
curl_sshkeycallback ssh_keyfunc; /* key matching callback */
void *ssh_keyfunc_userp; /* custom pointer to callback */
+ bool ssh_compression; /* enable SSH compression */
/* Here follows boolean settings that define how to behave during
this session. They are STATIC, set by libcurl users or at least initially
diff --git a/packages/OS400/curl.inc.in b/packages/OS400/curl.inc.in
index e4d2d30ca..41b6be190 100644
--- a/packages/OS400/curl.inc.in
+++ b/packages/OS400/curl.inc.in
@@ -1312,6 +1312,8 @@
d c 10264
d CURLOPT_SUPPRESS_CONNECT_HEADERS...
d c 00265
+ d CURLOPT_SSH_COMPRESSION...
+ d c 00268
*
/if not defined(CURL_NO_OLDIES)
d CURLOPT_FILE c 10001
diff --git a/src/tool_cfgable.h b/src/tool_cfgable.h
index 254805c8c..2b436657f 100644
--- a/src/tool_cfgable.h
+++ b/src/tool_cfgable.h
@@ -247,6 +247,7 @@ struct OperationConfig {
from user callbacks */
curl_error synthetic_error; /* if non-zero, it overrides any libcurl
error */
+ bool ssh_compression; /* enable/disable SSH compression */
struct GlobalConfig *global;
struct OperationConfig *prev;
struct OperationConfig *next; /* Always last in the struct */
diff --git a/src/tool_getparam.c b/src/tool_getparam.c
index 40b39a8aa..3dd1dec3f 100644
--- a/src/tool_getparam.c
+++ b/src/tool_getparam.c
@@ -188,6 +188,7 @@ static const struct LongShort aliases[]= {
{"$W", "abstract-unix-socket", ARG_STRING},
{"$X", "tls-max", ARG_STRING},
{"$Y", "suppress-connect-headers", ARG_BOOL},
+ {"$Z", "compressed-ssh", ARG_BOOL},
{"0", "http1.0", ARG_NONE},
{"01", "http1.1", ARG_NONE},
{"02", "http2", ARG_NONE},
@@ -1076,6 +1077,9 @@ ParameterError getparameter(const char *flag, /* f or -long-flag */
case 'Y': /* --suppress-connect-headers */
config->suppress_connect_headers = toggle;
break;
+ case 'Z': /* --compressed-ssh */
+ config->ssh_compression = toggle;
+ break;
}
break;
case '#': /* --progress-bar */
diff --git a/src/tool_help.c b/src/tool_help.c
index a5bfaba24..04d84dd7a 100644
--- a/src/tool_help.c
+++ b/src/tool_help.c
@@ -68,6 +68,8 @@ static const struct helptxt helptext[] = {
"SSL ciphers to use"},
{" --compressed",
"Request compressed response"},
+ {" --compressed-ssh",
+ "Enable SSH compression"},
{"-K, --config <file>",
"Read config from a file"},
{" --connect-timeout <seconds>",
diff --git a/src/tool_operate.c b/src/tool_operate.c
index 1e8d0073c..3c8c6ed2f 100644
--- a/src/tool_operate.c
+++ b/src/tool_operate.c
@@ -1091,6 +1091,10 @@ static CURLcode operate_do(struct GlobalConfig *global,
to fail if we are not talking to who we think we should */
my_setopt_str(curl, CURLOPT_SSH_HOST_PUBLIC_KEY_MD5,
config->hostpubmd5);
+
+ /* new in libcurl 7.56.0 */
+ if(config->ssh_compression)
+ my_setopt(curl, CURLOPT_SSH_COMPRESSION, 1L);
}
if(config->cacert)
diff --git a/tests/data/Makefile.inc b/tests/data/Makefile.inc
index b92f7f92f..88e5e2a9a 100644
--- a/tests/data/Makefile.inc
+++ b/tests/data/Makefile.inc
@@ -77,7 +77,7 @@ test599 test600 test601 test602 test603 test604 test605 test606 test607 \
test608 test609 test610 test611 test612 test613 test614 test615 test616 \
test617 test618 test619 test620 test621 test622 test623 test624 test625 \
test626 test627 test628 test629 test630 test631 test632 test633 test634 \
-test635 test636 test637 test638 test639 test640 test641 \
+test635 test636 test637 test638 test639 test640 test641 test642 \
\
test700 test701 test702 test703 test704 test705 test706 test707 test708 \
test709 test710 test711 test712 test713 test714 test715 \
diff --git a/tests/data/test642 b/tests/data/test642
new file mode 100644
index 000000000..41fd444fc
--- /dev/null
+++ b/tests/data/test642
@@ -0,0 +1,42 @@
+<testcase>
+<info>
+<keywords>
+SFTP
+</keywords>
+</info>
+
+#
+# Server-side
+<reply>
+<data>
+Test data
+for ssh test
+</data>
+</reply>
+
+#
+# Client-side
+<client>
+<server>
+sftp
+</server>
+ <name>
+SFTP retrieval
+ </name>
+ <command>
+--key curl_client_key --pubkey curl_client_key.pub -u %USER: --compressed-ssh sftp://%HOSTIP:%SSHPORT%PWD/log/file642.txt --insecure
+</command>
+<file name="log/file642.txt">
+Test data
+for ssh test
+</file>
+</client>
+
+#
+# Verify data after the test has been "shot"
+<verify>
+<valgrind>
+disable
+</valgrind>
+</verify>
+</testcase>
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