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authorLars Kellogg-Stedman <lars@redhat.com>2015-05-08 09:22:15 -0400
committerJunio C Hamano <gitster@pobox.com>2015-05-08 10:56:26 -0700
commitf6f2a9e42d14e61429af418d8038aa67049b3821 (patch)
tree9c359d4e6c1721f112f201b9b0dd49670db61b93
parent16018ae5fb368151f3eff13730cf089b63f41962 (diff)
downloadgit-f6f2a9e42d14e61429af418d8038aa67049b3821.tar.gz
http: add support for specifying an SSL cipher listls/http-ssl-cipher-list
Teach git about a new option, "http.sslCipherList", which permits one to specify a list of ciphers to use when negotiating SSL connections. The setting can be overwridden by the GIT_SSL_CIPHER_LIST environment variable. Signed-off-by: Lars Kellogg-Stedman <lars@redhat.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>
-rw-r--r--Documentation/config.txt13
-rw-r--r--contrib/completion/git-completion.bash1
-rw-r--r--http.c10
3 files changed, 24 insertions, 0 deletions
diff --git a/Documentation/config.txt b/Documentation/config.txt
index 1a8ddb41c7..0a01bf930b 100644
--- a/Documentation/config.txt
+++ b/Documentation/config.txt
@@ -1561,6 +1561,19 @@ http.savecookies::
If set, store cookies received during requests to the file specified by
http.cookiefile. Has no effect if http.cookiefile is unset.
+http.sslCipherList::
+ A list of SSL ciphers to use when negotiating an SSL connection.
+ The available ciphers depend on whether libcurl was built against
+ NSS or OpenSSL and the particular configuration of the crypto
+ library in use. Internally this sets the 'CURLOPT_SSL_CIPHER_LIST'
+ option; see the libcurl documentation for more details on the format
+ of this list.
++
+Can be overridden by the 'GIT_SSL_CIPHER_LIST' environment variable.
+To force git to use libcurl's default cipher list and ignore any
+explicit http.sslCipherList option, set 'GIT_SSL_CIPHER_LIST' to the
+empty string.
+
http.sslVerify::
Whether to verify the SSL certificate when fetching or pushing
over HTTPS. Can be overridden by the 'GIT_SSL_NO_VERIFY' environment
diff --git a/contrib/completion/git-completion.bash b/contrib/completion/git-completion.bash
index 16205467b1..e8ae621a30 100644
--- a/contrib/completion/git-completion.bash
+++ b/contrib/completion/git-completion.bash
@@ -2123,6 +2123,7 @@ _git_config ()
http.noEPSV
http.postBuffer
http.proxy
+ http.sslCipherList
http.sslCAInfo
http.sslCAPath
http.sslCert
diff --git a/http.c b/http.c
index 6798620065..c5e9479659 100644
--- a/http.c
+++ b/http.c
@@ -35,6 +35,7 @@ char curl_errorstr[CURL_ERROR_SIZE];
static int curl_ssl_verify = -1;
static int curl_ssl_try;
static const char *ssl_cert;
+static const char *ssl_cipherlist;
#if LIBCURL_VERSION_NUM >= 0x070903
static const char *ssl_key;
#endif
@@ -153,6 +154,8 @@ static int http_options(const char *var, const char *value, void *cb)
curl_ssl_verify = git_config_bool(var, value);
return 0;
}
+ if (!strcmp("http.sslcipherlist", var))
+ return git_config_string(&ssl_cipherlist, var, value);
if (!strcmp("http.sslcert", var))
return git_config_string(&ssl_cert, var, value);
#if LIBCURL_VERSION_NUM >= 0x070903
@@ -327,6 +330,13 @@ static CURL *get_curl_handle(void)
if (http_proactive_auth)
init_curl_http_auth(result);
+ if (getenv("GIT_SSL_CIPHER_LIST"))
+ ssl_cipherlist = getenv("GIT_SSL_CIPHER_LIST");
+
+ if (ssl_cipherlist != NULL && *ssl_cipherlist)
+ curl_easy_setopt(result, CURLOPT_SSL_CIPHER_LIST,
+ ssl_cipherlist);
+
if (ssl_cert != NULL)
curl_easy_setopt(result, CURLOPT_SSLCERT, ssl_cert);
if (has_cert_password())