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-rw-r--r--Utilities/cmcurl/lib/vtls/schannel.c483
1 files changed, 292 insertions, 191 deletions
diff --git a/Utilities/cmcurl/lib/vtls/schannel.c b/Utilities/cmcurl/lib/vtls/schannel.c
index 85c64cf..2cfd5c1 100644
--- a/Utilities/cmcurl/lib/vtls/schannel.c
+++ b/Utilities/cmcurl/lib/vtls/schannel.c
@@ -7,7 +7,7 @@
*
* Copyright (C) 2012 - 2016, Marc Hoersken, <info@marc-hoersken.de>
* Copyright (C) 2012, Mark Salisbury, <mark.salisbury@hp.com>
- * Copyright (C) 2012 - 2017, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 2012 - 2018, 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
@@ -42,13 +42,12 @@
#ifdef USE_SCHANNEL
+#define EXPOSE_SCHANNEL_INTERNAL_STRUCTS
+
#ifndef USE_WINDOWS_SSPI
# error "Can't compile SCHANNEL support without SSPI."
#endif
-#include <schnlsp.h>
-#include <schannel.h>
-#include "curl_sspi.h"
#include "schannel.h"
#include "vtls.h"
#include "sendf.h"
@@ -61,7 +60,6 @@
#include "x509asn1.h"
#include "curl_printf.h"
#include "system_win32.h"
-#include "hostcheck.h"
/* The last #include file should be: */
#include "curl_memory.h"
@@ -92,6 +90,12 @@
#endif
#endif
+#ifdef UNICODE
+#define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_W
+#else
+#define CURL_CERT_STORE_PROV_SYSTEM CERT_STORE_PROV_SYSTEM_A
+#endif
+
#ifndef SP_PROT_SSL2_CLIENT
#define SP_PROT_SSL2_CLIENT 0x00000008
#endif
@@ -124,50 +128,25 @@
#define CURL_SCHANNEL_BUFFER_INIT_SIZE 4096
#define CURL_SCHANNEL_BUFFER_FREE_SIZE 1024
+#define CERT_THUMBPRINT_STR_LEN 40
+#define CERT_THUMBPRINT_DATA_LEN 20
+
/* Uncomment to force verbose output
* #define infof(x, y, ...) printf(y, __VA_ARGS__)
* #define failf(x, y, ...) printf(y, __VA_ARGS__)
*/
-/* Structs to store Schannel handles */
-struct curl_schannel_cred {
- CredHandle cred_handle;
- TimeStamp time_stamp;
- int refcount;
-};
-
-struct curl_schannel_ctxt {
- CtxtHandle ctxt_handle;
- TimeStamp time_stamp;
-};
-
-struct ssl_backend_data {
- struct curl_schannel_cred *cred;
- struct curl_schannel_ctxt *ctxt;
- SecPkgContext_StreamSizes stream_sizes;
- size_t encdata_length, decdata_length;
- size_t encdata_offset, decdata_offset;
- unsigned char *encdata_buffer, *decdata_buffer;
- /* encdata_is_incomplete: if encdata contains only a partial record that
- can't be decrypted without another Curl_read_plain (that is, status is
- SEC_E_INCOMPLETE_MESSAGE) then set this true. after Curl_read_plain writes
- more bytes into encdata then set this back to false. */
- bool encdata_is_incomplete;
- unsigned long req_flags, ret_flags;
- CURLcode recv_unrecoverable_err; /* schannel_recv had an unrecoverable err */
- bool recv_sspi_close_notify; /* true if connection closed by close_notify */
- bool recv_connection_closed; /* true if connection closed, regardless how */
- bool use_alpn; /* true if ALPN is used for this connection */
-};
+#ifndef CALG_SHA_256
+# define CALG_SHA_256 0x0000800c
+#endif
#define BACKEND connssl->backend
static Curl_recv schannel_recv;
static Curl_send schannel_send;
-#ifdef _WIN32_WCE
-static CURLcode verify_certificate(struct connectdata *conn, int sockindex);
-#endif
+static CURLcode pkp_pin_peer_pubkey(struct connectdata *conn, int sockindex,
+ const char *pinnedpubkey);
static void InitSecBuffer(SecBuffer *buffer, unsigned long BufType,
void *BufDataPtr, unsigned long BufByteSize)
@@ -221,6 +200,56 @@ set_ssl_version_min_max(SCHANNEL_CRED *schannel_cred, struct connectdata *conn)
}
static CURLcode
+get_cert_location(TCHAR *path, DWORD *store_name, TCHAR **store_path,
+ TCHAR **thumbprint)
+{
+ TCHAR *sep;
+ size_t store_name_len;
+
+ sep = _tcschr(path, TEXT('\\'));
+ if(sep == NULL)
+ return CURLE_SSL_CONNECT_ERROR;
+
+ store_name_len = sep - path;
+
+ if(_tcsnccmp(path, TEXT("CurrentUser"), store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_CURRENT_USER;
+ else if(_tcsnccmp(path, TEXT("LocalMachine"), store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE;
+ else if(_tcsnccmp(path, TEXT("CurrentService"), store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_CURRENT_SERVICE;
+ else if(_tcsnccmp(path, TEXT("Services"), store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_SERVICES;
+ else if(_tcsnccmp(path, TEXT("Users"), store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_USERS;
+ else if(_tcsnccmp(path, TEXT("CurrentUserGroupPolicy"),
+ store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_CURRENT_USER_GROUP_POLICY;
+ else if(_tcsnccmp(path, TEXT("LocalMachineGroupPolicy"),
+ store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE_GROUP_POLICY;
+ else if(_tcsnccmp(path, TEXT("LocalMachineEnterprise"),
+ store_name_len) == 0)
+ *store_name = CERT_SYSTEM_STORE_LOCAL_MACHINE_ENTERPRISE;
+ else
+ return CURLE_SSL_CONNECT_ERROR;
+
+ *store_path = sep + 1;
+
+ sep = _tcschr(*store_path, TEXT('\\'));
+ if(sep == NULL)
+ return CURLE_SSL_CONNECT_ERROR;
+
+ *sep = 0;
+
+ *thumbprint = sep + 1;
+ if(_tcslen(*thumbprint) != CERT_THUMBPRINT_STR_LEN)
+ return CURLE_SSL_CONNECT_ERROR;
+
+ return CURLE_OK;
+}
+
+static CURLcode
schannel_connect_step1(struct connectdata *conn, int sockindex)
{
ssize_t written = -1;
@@ -234,6 +263,7 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
unsigned char alpn_buffer[128];
#endif
SCHANNEL_CRED schannel_cred;
+ PCCERT_CONTEXT client_certs[1] = { NULL };
SECURITY_STATUS sspi_status = SEC_E_OK;
struct curl_schannel_cred *old_cred = NULL;
struct in_addr addr;
@@ -268,6 +298,26 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
BACKEND->use_alpn = false;
#endif
+#ifdef _WIN32_WCE
+ /* certificate validation on CE doesn't seem to work right; we'll
+ * do it following a more manual process. */
+ BACKEND->use_manual_cred_validation = true;
+#else
+ if(SSL_CONN_CONFIG(CAfile)) {
+ if(Curl_verify_windows_version(6, 1, PLATFORM_WINNT,
+ VERSION_GREATER_THAN_EQUAL)) {
+ BACKEND->use_manual_cred_validation = true;
+ }
+ else {
+ failf(data, "schannel: this version of Windows is too old to support "
+ "certificate verification via CA bundle file.");
+ return CURLE_SSL_CACERT_BADFILE;
+ }
+ }
+ else
+ BACKEND->use_manual_cred_validation = false;
+#endif
+
BACKEND->cred = NULL;
/* check for an existing re-usable credential handle */
@@ -291,26 +341,23 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
schannel_cred.dwVersion = SCHANNEL_CRED_VERSION;
if(conn->ssl_config.verifypeer) {
-#ifdef _WIN32_WCE
- /* certificate validation on CE doesn't seem to work right; we'll
- do it following a more manual process. */
- schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION |
- SCH_CRED_IGNORE_NO_REVOCATION_CHECK |
- SCH_CRED_IGNORE_REVOCATION_OFFLINE;
-#else
- schannel_cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION;
+ if(BACKEND->use_manual_cred_validation)
+ schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION;
+ else
+ schannel_cred.dwFlags = SCH_CRED_AUTO_CRED_VALIDATION;
+
/* TODO s/data->set.ssl.no_revoke/SSL_SET_OPTION(no_revoke)/g */
- if(data->set.ssl.no_revoke)
+ if(data->set.ssl.no_revoke) {
schannel_cred.dwFlags |= SCH_CRED_IGNORE_NO_REVOCATION_CHECK |
- SCH_CRED_IGNORE_REVOCATION_OFFLINE;
- else
- schannel_cred.dwFlags |= SCH_CRED_REVOCATION_CHECK_CHAIN;
-#endif
- if(data->set.ssl.no_revoke)
+ SCH_CRED_IGNORE_REVOCATION_OFFLINE;
+
infof(data, "schannel: disabled server certificate revocation "
"checks\n");
- else
+ }
+ else {
+ schannel_cred.dwFlags |= SCH_CRED_REVOCATION_CHECK_CHAIN;
infof(data, "schannel: checking server certificate revocation\n");
+ }
}
else {
schannel_cred.dwFlags = SCH_CRED_MANUAL_CRED_VALIDATION |
@@ -354,14 +401,70 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
return CURLE_SSL_CONNECT_ERROR;
}
+ /* client certificate */
+ if(data->set.ssl.cert) {
+ DWORD cert_store_name;
+ TCHAR *cert_store_path;
+ TCHAR *cert_thumbprint_str;
+ CRYPT_HASH_BLOB cert_thumbprint;
+ BYTE cert_thumbprint_data[CERT_THUMBPRINT_DATA_LEN];
+ HCERTSTORE cert_store;
+
+ TCHAR *cert_path = Curl_convert_UTF8_to_tchar(data->set.ssl.cert);
+ if(!cert_path)
+ return CURLE_OUT_OF_MEMORY;
+
+ result = get_cert_location(cert_path, &cert_store_name,
+ &cert_store_path, &cert_thumbprint_str);
+ if(result != CURLE_OK) {
+ Curl_unicodefree(cert_path);
+ return result;
+ }
+
+ cert_store = CertOpenStore(CURL_CERT_STORE_PROV_SYSTEM, 0,
+ (HCRYPTPROV)NULL,
+ cert_store_name, cert_store_path);
+ if(!cert_store) {
+ Curl_unicodefree(cert_path);
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+
+ cert_thumbprint.pbData = cert_thumbprint_data;
+ cert_thumbprint.cbData = CERT_THUMBPRINT_DATA_LEN;
+
+ if(!CryptStringToBinary(cert_thumbprint_str, CERT_THUMBPRINT_STR_LEN,
+ CRYPT_STRING_HEX,
+ cert_thumbprint_data, &cert_thumbprint.cbData,
+ NULL, NULL)) {
+ Curl_unicodefree(cert_path);
+ return CURLE_SSL_CONNECT_ERROR;
+ }
+
+ client_certs[0] = CertFindCertificateInStore(
+ cert_store, X509_ASN_ENCODING | PKCS_7_ASN_ENCODING, 0,
+ CERT_FIND_HASH, &cert_thumbprint, NULL);
+
+ Curl_unicodefree(cert_path);
+
+ if(client_certs[0]) {
+ schannel_cred.cCreds = 1;
+ schannel_cred.paCred = client_certs;
+ }
+
+ CertCloseStore(cert_store, 0);
+ }
+
/* allocate memory for the re-usable credential handle */
BACKEND->cred = (struct curl_schannel_cred *)
- malloc(sizeof(struct curl_schannel_cred));
+ calloc(1, sizeof(struct curl_schannel_cred));
if(!BACKEND->cred) {
failf(data, "schannel: unable to allocate memory");
+
+ if(client_certs[0])
+ CertFreeCertificateContext(client_certs[0]);
+
return CURLE_OUT_OF_MEMORY;
}
- memset(BACKEND->cred, 0, sizeof(struct curl_schannel_cred));
BACKEND->cred->refcount = 1;
/* https://msdn.microsoft.com/en-us/library/windows/desktop/aa374716.aspx
@@ -373,6 +476,9 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
&BACKEND->cred->cred_handle,
&BACKEND->cred->time_stamp);
+ if(client_certs[0])
+ CertFreeCertificateContext(client_certs[0]);
+
if(sspi_status != SEC_E_OK) {
if(sspi_status == SEC_E_WRONG_PRINCIPAL)
failf(data, "schannel: SNI or certificate check failed: %s",
@@ -438,8 +544,7 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
InitSecBuffer(&inbuf, SECBUFFER_APPLICATION_PROTOCOLS, alpn_buffer, cur);
InitSecBufferDesc(&inbuf_desc, &inbuf, 1);
}
- else
- {
+ else {
InitSecBuffer(&inbuf, SECBUFFER_EMPTY, NULL, 0);
InitSecBufferDesc(&inbuf_desc, &inbuf, 1);
}
@@ -459,12 +564,11 @@ schannel_connect_step1(struct connectdata *conn, int sockindex)
/* allocate memory for the security context handle */
BACKEND->ctxt = (struct curl_schannel_ctxt *)
- malloc(sizeof(struct curl_schannel_ctxt));
+ calloc(1, sizeof(struct curl_schannel_ctxt));
if(!BACKEND->ctxt) {
failf(data, "schannel: unable to allocate memory");
return CURLE_OUT_OF_MEMORY;
}
- memset(BACKEND->ctxt, 0, sizeof(struct curl_schannel_ctxt));
host_name = Curl_convert_UTF8_to_tchar(hostname);
if(!host_name)
@@ -542,6 +646,7 @@ schannel_connect_step2(struct connectdata *conn, int sockindex)
bool doread;
char * const hostname = SSL_IS_PROXY() ? conn->http_proxy.host.name :
conn->host.name;
+ const char *pubkey_ptr;
doread = (connssl->connecting_state != ssl_connect_2_writing) ? TRUE : FALSE;
@@ -761,12 +866,20 @@ schannel_connect_step2(struct connectdata *conn, int sockindex)
infof(data, "schannel: SSL/TLS handshake complete\n");
}
-#ifdef _WIN32_WCE
- /* Windows CE doesn't do any server certificate validation.
- We have to do it manually. */
- if(conn->ssl_config.verifypeer)
+ pubkey_ptr = SSL_IS_PROXY() ?
+ data->set.str[STRING_SSL_PINNEDPUBLICKEY_PROXY] :
+ data->set.str[STRING_SSL_PINNEDPUBLICKEY_ORIG];
+ if(pubkey_ptr) {
+ result = pkp_pin_peer_pubkey(conn, sockindex, pubkey_ptr);
+ if(result) {
+ failf(data, "SSL: public key does not match pinned public key!");
+ return result;
+ }
+ }
+
+ if(conn->ssl_config.verifypeer && BACKEND->use_manual_cred_validation) {
return verify_certificate(conn, sockindex);
-#endif
+ }
return CURLE_OK;
}
@@ -1669,145 +1782,136 @@ static CURLcode Curl_schannel_random(struct Curl_easy *data UNUSED_PARAM,
return CURLE_OK;
}
-#ifdef _WIN32_WCE
-static CURLcode verify_certificate(struct connectdata *conn, int sockindex)
+static CURLcode pkp_pin_peer_pubkey(struct connectdata *conn, int sockindex,
+ const char *pinnedpubkey)
{
SECURITY_STATUS status;
struct Curl_easy *data = conn->data;
struct ssl_connect_data *connssl = &conn->ssl[sockindex];
- CURLcode result = CURLE_OK;
CERT_CONTEXT *pCertContextServer = NULL;
- const CERT_CHAIN_CONTEXT *pChainContext = NULL;
- const char * const conn_hostname = SSL_IS_PROXY() ?
- conn->http_proxy.host.name :
- conn->host.name;
+ const char *x509_der;
+ DWORD x509_der_len;
+ curl_X509certificate x509_parsed;
+ curl_asn1Element *pubkey;
- status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
- SECPKG_ATTR_REMOTE_CERT_CONTEXT,
- &pCertContextServer);
+ /* Result is returned to caller */
+ CURLcode result = CURLE_SSL_PINNEDPUBKEYNOTMATCH;
- if((status != SEC_E_OK) || (pCertContextServer == NULL)) {
- failf(data, "schannel: Failed to read remote certificate context: %s",
- Curl_sspi_strerror(conn, status));
- result = CURLE_PEER_FAILED_VERIFICATION;
- }
+ /* if a path wasn't specified, don't pin */
+ if(!pinnedpubkey)
+ return CURLE_OK;
- if(result == CURLE_OK) {
- CERT_CHAIN_PARA ChainPara;
- memset(&ChainPara, 0, sizeof(ChainPara));
- ChainPara.cbSize = sizeof(ChainPara);
-
- if(!CertGetCertificateChain(NULL,
- pCertContextServer,
- NULL,
- pCertContextServer->hCertStore,
- &ChainPara,
- (data->set.ssl.no_revoke ? 0 :
- CERT_CHAIN_REVOCATION_CHECK_CHAIN),
- NULL,
- &pChainContext)) {
- failf(data, "schannel: CertGetCertificateChain failed: %s",
- Curl_sspi_strerror(conn, GetLastError()));
- pChainContext = NULL;
- result = CURLE_PEER_FAILED_VERIFICATION;
- }
+ do {
+ status = s_pSecFn->QueryContextAttributes(&BACKEND->ctxt->ctxt_handle,
+ SECPKG_ATTR_REMOTE_CERT_CONTEXT,
+ &pCertContextServer);
- if(result == CURLE_OK) {
- CERT_SIMPLE_CHAIN *pSimpleChain = pChainContext->rgpChain[0];
- DWORD dwTrustErrorMask = ~(DWORD)(CERT_TRUST_IS_NOT_TIME_NESTED);
- dwTrustErrorMask &= pSimpleChain->TrustStatus.dwErrorStatus;
- if(dwTrustErrorMask) {
- if(dwTrustErrorMask & CERT_TRUST_IS_REVOKED)
- failf(data, "schannel: CertGetCertificateChain trust error"
- " CERT_TRUST_IS_REVOKED");
- else if(dwTrustErrorMask & CERT_TRUST_IS_PARTIAL_CHAIN)
- failf(data, "schannel: CertGetCertificateChain trust error"
- " CERT_TRUST_IS_PARTIAL_CHAIN");
- else if(dwTrustErrorMask & CERT_TRUST_IS_UNTRUSTED_ROOT)
- failf(data, "schannel: CertGetCertificateChain trust error"
- " CERT_TRUST_IS_UNTRUSTED_ROOT");
- else if(dwTrustErrorMask & CERT_TRUST_IS_NOT_TIME_VALID)
- failf(data, "schannel: CertGetCertificateChain trust error"
- " CERT_TRUST_IS_NOT_TIME_VALID");
- else
- failf(data, "schannel: CertGetCertificateChain error mask: 0x%08x",
- dwTrustErrorMask);
- result = CURLE_PEER_FAILED_VERIFICATION;
- }
+ if((status != SEC_E_OK) || (pCertContextServer == NULL)) {
+ failf(data, "schannel: Failed to read remote certificate context: %s",
+ Curl_sspi_strerror(conn, status));
+ break; /* failed */
}
- }
- if(result == CURLE_OK) {
- if(conn->ssl_config.verifyhost) {
- TCHAR cert_hostname_buff[256];
- DWORD len;
-
- /* TODO: Fix this for certificates with multiple alternative names.
- Right now we're only asking for the first preferred alternative name.
- Instead we'd need to do all via CERT_NAME_SEARCH_ALL_NAMES_FLAG
- (if WinCE supports that?) and run this section in a loop for each.
- https://msdn.microsoft.com/en-us/library/windows/desktop/aa376086.aspx
- curl: (51) schannel: CertGetNameString() certificate hostname
- (.google.com) did not match connection (google.com)
- */
- len = CertGetNameString(pCertContextServer,
- CERT_NAME_DNS_TYPE,
- CERT_NAME_DISABLE_IE4_UTF8_FLAG,
- NULL,
- cert_hostname_buff,
- 256);
- if(len > 0) {
- const char *cert_hostname;
-
- /* Comparing the cert name and the connection hostname encoded as UTF-8
- * is acceptable since both values are assumed to use ASCII
- * (or some equivalent) encoding
- */
- cert_hostname = Curl_convert_tchar_to_UTF8(cert_hostname_buff);
- if(!cert_hostname) {
- result = CURLE_OUT_OF_MEMORY;
- }
- else{
- int match_result;
-
- match_result = Curl_cert_hostcheck(cert_hostname, conn->host.name);
- if(match_result == CURL_HOST_MATCH) {
- infof(data,
- "schannel: connection hostname (%s) validated "
- "against certificate name (%s)\n",
- conn->host.name,
- cert_hostname);
- result = CURLE_OK;
- }
- else{
- failf(data,
- "schannel: connection hostname (%s) "
- "does not match certificate name (%s)",
- conn->host.name,
- cert_hostname);
- result = CURLE_PEER_FAILED_VERIFICATION;
- }
- Curl_unicodefree(cert_hostname);
- }
- }
- else {
- failf(data,
- "schannel: CertGetNameString did not provide any "
- "certificate name information");
- result = CURLE_PEER_FAILED_VERIFICATION;
- }
+
+ if(!(((pCertContextServer->dwCertEncodingType & X509_ASN_ENCODING) != 0) &&
+ (pCertContextServer->cbCertEncoded > 0)))
+ break;
+
+ x509_der = (const char *)pCertContextServer->pbCertEncoded;
+ x509_der_len = pCertContextServer->cbCertEncoded;
+ memset(&x509_parsed, 0, sizeof x509_parsed);
+ if(Curl_parseX509(&x509_parsed, x509_der, x509_der + x509_der_len))
+ break;
+
+ pubkey = &x509_parsed.subjectPublicKeyInfo;
+ if(!pubkey->header || pubkey->end <= pubkey->header) {
+ failf(data, "SSL: failed retrieving public key from server certificate");
+ break;
}
- }
- if(pChainContext)
- CertFreeCertificateChain(pChainContext);
+ result = Curl_pin_peer_pubkey(data,
+ pinnedpubkey,
+ (const unsigned char *)pubkey->header,
+ (size_t)(pubkey->end - pubkey->header));
+ if(result) {
+ failf(data, "SSL: public key does not match pinned public key!");
+ }
+ } while(0);
if(pCertContextServer)
CertFreeCertificateContext(pCertContextServer);
return result;
}
-#endif /* _WIN32_WCE */
+
+static void Curl_schannel_checksum(const unsigned char *input,
+ size_t inputlen,
+ unsigned char *checksum,
+ size_t checksumlen,
+ DWORD provType,
+ const unsigned int algId)
+{
+ HCRYPTPROV hProv = 0;
+ HCRYPTHASH hHash = 0;
+ DWORD cbHashSize = 0;
+ DWORD dwHashSizeLen = (DWORD)sizeof(cbHashSize);
+ DWORD dwChecksumLen = (DWORD)checksumlen;
+
+ /* since this can fail in multiple ways, zero memory first so we never
+ * return old data
+ */
+ memset(checksum, 0, checksumlen);
+
+ if(!CryptAcquireContext(&hProv, NULL, NULL, provType,
+ CRYPT_VERIFYCONTEXT))
+ return; /* failed */
+
+ do {
+ if(!CryptCreateHash(hProv, algId, 0, 0, &hHash))
+ break; /* failed */
+
+ if(!CryptHashData(hHash, (const BYTE*)input, (DWORD)inputlen, 0))
+ break; /* failed */
+
+ /* get hash size */
+ if(!CryptGetHashParam(hHash, HP_HASHSIZE, (BYTE *)&cbHashSize,
+ &dwHashSizeLen, 0))
+ break; /* failed */
+
+ /* check hash size */
+ if(checksumlen < cbHashSize)
+ break; /* failed */
+
+ if(CryptGetHashParam(hHash, HP_HASHVAL, checksum, &dwChecksumLen, 0))
+ break; /* failed */
+ } while(0);
+
+ if(hHash)
+ CryptDestroyHash(hHash);
+
+ if(hProv)
+ CryptReleaseContext(hProv, 0);
+}
+
+static CURLcode Curl_schannel_md5sum(unsigned char *input,
+ size_t inputlen,
+ unsigned char *md5sum,
+ size_t md5len)
+{
+ Curl_schannel_checksum(input, inputlen, md5sum, md5len,
+ PROV_RSA_FULL, CALG_MD5);
+ return CURLE_OK;
+}
+
+static CURLcode Curl_schannel_sha256sum(const unsigned char *input,
+ size_t inputlen,
+ unsigned char *sha256sum,
+ size_t sha256len)
+{
+ Curl_schannel_checksum(input, inputlen, sha256sum, sha256len,
+ PROV_RSA_AES, CALG_SHA_256);
+ return CURLE_OK;
+}
static void *Curl_schannel_get_internals(struct ssl_connect_data *connssl,
CURLINFO info UNUSED_PARAM)
@@ -1819,11 +1923,8 @@ static void *Curl_schannel_get_internals(struct ssl_connect_data *connssl,
const struct Curl_ssl Curl_ssl_schannel = {
{ CURLSSLBACKEND_SCHANNEL, "schannel" }, /* info */
- 0, /* have_ca_path */
- 1, /* have_certinfo */
- 0, /* have_pinnedpubkey */
- 0, /* have_ssl_ctx */
- 0, /* support_https_proxy */
+ SSLSUPP_CERTINFO |
+ SSLSUPP_PINNEDPUBKEY,
sizeof(struct ssl_backend_data),
@@ -1845,8 +1946,8 @@ const struct Curl_ssl Curl_ssl_schannel = {
Curl_none_set_engine_default, /* set_engine_default */
Curl_none_engines_list, /* engines_list */
Curl_none_false_start, /* false_start */
- Curl_none_md5sum, /* md5sum */
- NULL /* sha256sum */
+ Curl_schannel_md5sum, /* md5sum */
+ Curl_schannel_sha256sum /* sha256sum */
};
#endif /* USE_SCHANNEL */