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block: curl: Allow passing cookies via QCryptoSecret

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Since cookies can contain sensitive data (session ID, etc ...) it is
desired to hide them from the prying eyes of users. Add a possibility to
pass them via the secret infrastructure.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1447413

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Jeff Cody <jcody@redhat.com>
Message-id: f4a22cdebdd0bca6a13a43a2a6deead7f2ec4bb3.1493906281.git.pkrempa@redhat.com
Signed-off-by: Jeff Cody <jcody@redhat.com>
This commit is contained in:
Peter Krempa 2017-05-04 16:00:06 +02:00 committed by Jeff Cody
parent 3a8760664d
commit 327c8ebd70
2 changed files with 33 additions and 3 deletions
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24
block/curl.c
View file

@ -85,6 +85,7 @@ static CURLMcode __curl_multi_socket_action(CURLM *multi_handle,
#define CURL_BLOCK_OPT_SSLVERIFY "sslverify"
#define CURL_BLOCK_OPT_TIMEOUT "timeout"
#define CURL_BLOCK_OPT_COOKIE "cookie"
#define CURL_BLOCK_OPT_COOKIE_SECRET "cookie-secret"
#define CURL_BLOCK_OPT_USERNAME "username"
#define CURL_BLOCK_OPT_PASSWORD_SECRET "password-secret"
#define CURL_BLOCK_OPT_PROXY_USERNAME "proxy-username"
@ -623,6 +624,11 @@ static QemuOptsList runtime_opts = {
.type = QEMU_OPT_STRING,
.help = "Pass the cookie or list of cookies with each request"
},
{
.name = CURL_BLOCK_OPT_COOKIE_SECRET,
.type = QEMU_OPT_STRING,
.help = "ID of secret used as cookie passed with each request"
},
{
.name = CURL_BLOCK_OPT_USERNAME,
.type = QEMU_OPT_STRING,
@ -657,6 +663,7 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
Error *local_err = NULL;
const char *file;
const char *cookie;
const char *cookie_secret;
double d;
const char *secretid;
const char *protocol_delimiter;
@ -693,7 +700,22 @@ static int curl_open(BlockDriverState *bs, QDict *options, int flags,
s->sslverify = qemu_opt_get_bool(opts, CURL_BLOCK_OPT_SSLVERIFY, true);
cookie = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE);
s->cookie = g_strdup(cookie);
cookie_secret = qemu_opt_get(opts, CURL_BLOCK_OPT_COOKIE_SECRET);
if (cookie && cookie_secret) {
error_setg(errp,
"curl driver cannot handle both cookie and cookie secret");
goto out_noclean;
}
if (cookie_secret) {
s->cookie = qcrypto_secret_lookup_as_utf8(cookie_secret, errp);
if (!s->cookie) {
goto out_noclean;
}
} else {
s->cookie = g_strdup(cookie);
}
file = qemu_opt_get(opts, CURL_BLOCK_OPT_URL);
if (file == NULL) {

12
qapi/block-core.json
View file

@ -2813,11 +2813,15 @@
# "name1=content1; name2=content2;" as explained by
# CURLOPT_COOKIE(3). Defaults to no cookies.
#
# @cookie-secret: ID of a QCryptoSecret object providing the cookie data in a
# secure way. See @cookie for the format. (since 2.10)
#
# Since: 2.9
##
{ 'struct': 'BlockdevOptionsCurlHttp',
'base': 'BlockdevOptionsCurlBase',
'data': { '*cookie': 'str' } }
'data': { '*cookie': 'str',
'*cookie-secret': 'str'} }
##
# @BlockdevOptionsCurlHttps:
@ -2832,12 +2836,16 @@
# @sslverify: Whether to verify the SSL certificate's validity (defaults to
# true)
#
# @cookie-secret: ID of a QCryptoSecret object providing the cookie data in a
# secure way. See @cookie for the format. (since 2.10)
#
# Since: 2.9
##
{ 'struct': 'BlockdevOptionsCurlHttps',
'base': 'BlockdevOptionsCurlBase',
'data': { '*cookie': 'str',
'*sslverify': 'bool' } }
'*sslverify': 'bool',
'*cookie-secret': 'str'} }
##
# @BlockdevOptionsCurlFtp: