| /* Copyright (C) 2005 Juan Lang |
| * Copyright 2008 Henri Verbeet |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA |
| * |
| * This file implements the schannel provider, or, the SSL/TLS implementations. |
| * FIXME: It should be rather obvious that this file is empty of any |
| * implementation. |
| */ |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdarg.h> |
| #include <errno.h> |
| #include <limits.h> |
| #ifdef SONAME_LIBGNUTLS |
| #include <gnutls/gnutls.h> |
| #endif |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winnls.h" |
| #include "sspi.h" |
| #include "schannel.h" |
| #include "secur32_priv.h" |
| #include "wine/debug.h" |
| #include "wine/library.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(secur32); |
| |
| #ifdef SONAME_LIBGNUTLS |
| |
| static void *libgnutls_handle; |
| #define MAKE_FUNCPTR(f) static typeof(f) * p##f |
| MAKE_FUNCPTR(gnutls_alert_get); |
| MAKE_FUNCPTR(gnutls_alert_get_name); |
| MAKE_FUNCPTR(gnutls_certificate_allocate_credentials); |
| MAKE_FUNCPTR(gnutls_certificate_free_credentials); |
| MAKE_FUNCPTR(gnutls_credentials_set); |
| MAKE_FUNCPTR(gnutls_deinit); |
| MAKE_FUNCPTR(gnutls_global_deinit); |
| MAKE_FUNCPTR(gnutls_global_init); |
| MAKE_FUNCPTR(gnutls_global_set_log_function); |
| MAKE_FUNCPTR(gnutls_global_set_log_level); |
| MAKE_FUNCPTR(gnutls_handshake); |
| MAKE_FUNCPTR(gnutls_init); |
| MAKE_FUNCPTR(gnutls_perror); |
| MAKE_FUNCPTR(gnutls_set_default_priority); |
| MAKE_FUNCPTR(gnutls_transport_set_errno); |
| MAKE_FUNCPTR(gnutls_transport_set_ptr); |
| MAKE_FUNCPTR(gnutls_transport_set_pull_function); |
| MAKE_FUNCPTR(gnutls_transport_set_push_function); |
| #undef MAKE_FUNCPTR |
| |
| #define SCHAN_INVALID_HANDLE ~0UL |
| |
| enum schan_handle_type |
| { |
| SCHAN_HANDLE_CRED, |
| SCHAN_HANDLE_CTX, |
| SCHAN_HANDLE_FREE |
| }; |
| |
| struct schan_handle |
| { |
| void *object; |
| enum schan_handle_type type; |
| }; |
| |
| struct schan_credentials |
| { |
| ULONG credential_use; |
| gnutls_certificate_credentials credentials; |
| }; |
| |
| struct schan_context |
| { |
| gnutls_session_t session; |
| ULONG req_ctx_attr; |
| }; |
| |
| struct schan_transport; |
| |
| struct schan_buffers |
| { |
| SIZE_T offset; |
| const SecBufferDesc *desc; |
| int current_buffer_idx; |
| BOOL allow_buffer_resize; |
| int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *); |
| }; |
| |
| struct schan_transport |
| { |
| struct schan_context *ctx; |
| struct schan_buffers in; |
| struct schan_buffers out; |
| }; |
| |
| static struct schan_handle *schan_handle_table; |
| static struct schan_handle *schan_free_handles; |
| static SIZE_T schan_handle_table_size; |
| static SIZE_T schan_handle_count; |
| |
| static ULONG_PTR schan_alloc_handle(void *object, enum schan_handle_type type) |
| { |
| struct schan_handle *handle; |
| |
| if (schan_free_handles) |
| { |
| /* Use a free handle */ |
| handle = schan_free_handles; |
| if (handle->type != SCHAN_HANDLE_FREE) |
| { |
| ERR("Handle %d(%p) is in the free list, but has type %#x.\n", (handle-schan_handle_table), handle, handle->type); |
| return SCHAN_INVALID_HANDLE; |
| } |
| schan_free_handles = (struct schan_handle *)handle->object; |
| handle->object = object; |
| handle->type = type; |
| |
| return handle - schan_handle_table; |
| } |
| if (!(schan_handle_count < schan_handle_table_size)) |
| { |
| /* Grow the table */ |
| SIZE_T new_size = schan_handle_table_size + (schan_handle_table_size >> 1); |
| struct schan_handle *new_table = HeapReAlloc(GetProcessHeap(), 0, schan_handle_table, new_size * sizeof(*schan_handle_table)); |
| if (!new_table) |
| { |
| ERR("Failed to grow the handle table\n"); |
| return SCHAN_INVALID_HANDLE; |
| } |
| schan_handle_table = new_table; |
| schan_handle_table_size = new_size; |
| } |
| |
| handle = &schan_handle_table[schan_handle_count++]; |
| handle->object = object; |
| handle->type = type; |
| |
| return handle - schan_handle_table; |
| } |
| |
| static void *schan_free_handle(ULONG_PTR handle_idx, enum schan_handle_type type) |
| { |
| struct schan_handle *handle; |
| void *object; |
| |
| if (handle_idx == SCHAN_INVALID_HANDLE) return NULL; |
| handle = &schan_handle_table[handle_idx]; |
| if (handle->type != type) |
| { |
| ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type); |
| return NULL; |
| } |
| |
| object = handle->object; |
| handle->object = schan_free_handles; |
| handle->type = SCHAN_HANDLE_FREE; |
| schan_free_handles = handle; |
| |
| return object; |
| } |
| |
| static void *schan_get_object(ULONG_PTR handle_idx, enum schan_handle_type type) |
| { |
| struct schan_handle *handle; |
| |
| if (handle_idx == SCHAN_INVALID_HANDLE) return NULL; |
| handle = &schan_handle_table[handle_idx]; |
| if (handle->type != type) |
| { |
| ERR("Handle %ld(%p) is not of type %#x\n", handle_idx, handle, type); |
| return NULL; |
| } |
| |
| return handle->object; |
| } |
| |
| static SECURITY_STATUS schan_QueryCredentialsAttributes( |
| PCredHandle phCredential, ULONG ulAttribute, VOID *pBuffer) |
| { |
| SECURITY_STATUS ret; |
| |
| switch (ulAttribute) |
| { |
| case SECPKG_ATTR_SUPPORTED_ALGS: |
| if (pBuffer) |
| { |
| /* FIXME: get from CryptoAPI */ |
| FIXME("SECPKG_ATTR_SUPPORTED_ALGS: stub\n"); |
| ret = SEC_E_UNSUPPORTED_FUNCTION; |
| } |
| else |
| ret = SEC_E_INTERNAL_ERROR; |
| break; |
| case SECPKG_ATTR_CIPHER_STRENGTHS: |
| if (pBuffer) |
| { |
| SecPkgCred_CipherStrengths *r = (SecPkgCred_CipherStrengths*)pBuffer; |
| |
| /* FIXME: get from CryptoAPI */ |
| FIXME("SECPKG_ATTR_CIPHER_STRENGTHS: semi-stub\n"); |
| r->dwMinimumCipherStrength = 40; |
| r->dwMaximumCipherStrength = 168; |
| ret = SEC_E_OK; |
| } |
| else |
| ret = SEC_E_INTERNAL_ERROR; |
| break; |
| case SECPKG_ATTR_SUPPORTED_PROTOCOLS: |
| if (pBuffer) |
| { |
| /* FIXME: get from OpenSSL? */ |
| FIXME("SECPKG_ATTR_SUPPORTED_PROTOCOLS: stub\n"); |
| ret = SEC_E_UNSUPPORTED_FUNCTION; |
| } |
| else |
| ret = SEC_E_INTERNAL_ERROR; |
| break; |
| default: |
| ret = SEC_E_UNSUPPORTED_FUNCTION; |
| } |
| return ret; |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesA( |
| PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer) |
| { |
| SECURITY_STATUS ret; |
| |
| TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer); |
| |
| switch (ulAttribute) |
| { |
| case SECPKG_CRED_ATTR_NAMES: |
| FIXME("SECPKG_CRED_ATTR_NAMES: stub\n"); |
| ret = SEC_E_UNSUPPORTED_FUNCTION; |
| break; |
| default: |
| ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute, |
| pBuffer); |
| } |
| return ret; |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_QueryCredentialsAttributesW( |
| PCredHandle phCredential, ULONG ulAttribute, PVOID pBuffer) |
| { |
| SECURITY_STATUS ret; |
| |
| TRACE("(%p, %d, %p)\n", phCredential, ulAttribute, pBuffer); |
| |
| switch (ulAttribute) |
| { |
| case SECPKG_CRED_ATTR_NAMES: |
| FIXME("SECPKG_CRED_ATTR_NAMES: stub\n"); |
| ret = SEC_E_UNSUPPORTED_FUNCTION; |
| break; |
| default: |
| ret = schan_QueryCredentialsAttributes(phCredential, ulAttribute, |
| pBuffer); |
| } |
| return ret; |
| } |
| |
| static SECURITY_STATUS schan_CheckCreds(const SCHANNEL_CRED *schanCred) |
| { |
| SECURITY_STATUS st; |
| |
| switch (schanCred->dwVersion) |
| { |
| case SCH_CRED_V3: |
| case SCHANNEL_CRED_VERSION: |
| break; |
| default: |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| if (schanCred->cCreds == 0) |
| st = SEC_E_NO_CREDENTIALS; |
| else if (schanCred->cCreds > 1) |
| st = SEC_E_UNKNOWN_CREDENTIALS; |
| else |
| { |
| DWORD keySpec; |
| HCRYPTPROV csp; |
| BOOL ret, freeCSP; |
| |
| ret = CryptAcquireCertificatePrivateKey(schanCred->paCred[0], |
| 0, /* FIXME: what flags to use? */ NULL, |
| &csp, &keySpec, &freeCSP); |
| if (ret) |
| { |
| st = SEC_E_OK; |
| if (freeCSP) |
| CryptReleaseContext(csp, 0); |
| } |
| else |
| st = SEC_E_UNKNOWN_CREDENTIALS; |
| } |
| return st; |
| } |
| |
| static SECURITY_STATUS schan_AcquireClientCredentials(const SCHANNEL_CRED *schanCred, |
| PCredHandle phCredential, PTimeStamp ptsExpiry) |
| { |
| struct schan_credentials *creds; |
| SECURITY_STATUS st = SEC_E_OK; |
| |
| TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry); |
| |
| if (schanCred) |
| { |
| st = schan_CheckCreds(schanCred); |
| if (st == SEC_E_NO_CREDENTIALS) |
| st = SEC_E_OK; |
| } |
| |
| /* For now, the only thing I'm interested in is the direction of the |
| * connection, so just store it. |
| */ |
| if (st == SEC_E_OK) |
| { |
| ULONG_PTR handle; |
| int ret; |
| |
| creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds)); |
| if (!creds) return SEC_E_INSUFFICIENT_MEMORY; |
| |
| handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED); |
| if (handle == SCHAN_INVALID_HANDLE) goto fail; |
| |
| creds->credential_use = SECPKG_CRED_OUTBOUND; |
| ret = pgnutls_certificate_allocate_credentials(&creds->credentials); |
| if (ret != GNUTLS_E_SUCCESS) |
| { |
| pgnutls_perror(ret); |
| schan_free_handle(handle, SCHAN_HANDLE_CRED); |
| goto fail; |
| } |
| |
| phCredential->dwLower = handle; |
| phCredential->dwUpper = 0; |
| |
| /* Outbound credentials have no expiry */ |
| if (ptsExpiry) |
| { |
| ptsExpiry->LowPart = 0; |
| ptsExpiry->HighPart = 0; |
| } |
| } |
| return st; |
| |
| fail: |
| HeapFree(GetProcessHeap(), 0, creds); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| static SECURITY_STATUS schan_AcquireServerCredentials(const SCHANNEL_CRED *schanCred, |
| PCredHandle phCredential, PTimeStamp ptsExpiry) |
| { |
| SECURITY_STATUS st; |
| |
| TRACE("schanCred %p, phCredential %p, ptsExpiry %p\n", schanCred, phCredential, ptsExpiry); |
| |
| if (!schanCred) return SEC_E_NO_CREDENTIALS; |
| |
| st = schan_CheckCreds(schanCred); |
| if (st == SEC_E_OK) |
| { |
| ULONG_PTR handle; |
| struct schan_credentials *creds; |
| |
| creds = HeapAlloc(GetProcessHeap(), 0, sizeof(*creds)); |
| if (!creds) return SEC_E_INSUFFICIENT_MEMORY; |
| creds->credential_use = SECPKG_CRED_INBOUND; |
| |
| handle = schan_alloc_handle(creds, SCHAN_HANDLE_CRED); |
| if (handle == SCHAN_INVALID_HANDLE) |
| { |
| HeapFree(GetProcessHeap(), 0, creds); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| phCredential->dwLower = handle; |
| phCredential->dwUpper = 0; |
| |
| /* FIXME: get expiry from cert */ |
| } |
| return st; |
| } |
| |
| static SECURITY_STATUS schan_AcquireCredentialsHandle(ULONG fCredentialUse, |
| const SCHANNEL_CRED *schanCred, PCredHandle phCredential, PTimeStamp ptsExpiry) |
| { |
| SECURITY_STATUS ret; |
| |
| if (fCredentialUse == SECPKG_CRED_OUTBOUND) |
| ret = schan_AcquireClientCredentials(schanCred, phCredential, |
| ptsExpiry); |
| else |
| ret = schan_AcquireServerCredentials(schanCred, phCredential, |
| ptsExpiry); |
| return ret; |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleA( |
| SEC_CHAR *pszPrincipal, SEC_CHAR *pszPackage, ULONG fCredentialUse, |
| PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn, |
| PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry) |
| { |
| TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n", |
| debugstr_a(pszPrincipal), debugstr_a(pszPackage), fCredentialUse, |
| pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry); |
| return schan_AcquireCredentialsHandle(fCredentialUse, |
| (PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry); |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_AcquireCredentialsHandleW( |
| SEC_WCHAR *pszPrincipal, SEC_WCHAR *pszPackage, ULONG fCredentialUse, |
| PLUID pLogonID, PVOID pAuthData, SEC_GET_KEY_FN pGetKeyFn, |
| PVOID pGetKeyArgument, PCredHandle phCredential, PTimeStamp ptsExpiry) |
| { |
| TRACE("(%s, %s, 0x%08x, %p, %p, %p, %p, %p, %p)\n", |
| debugstr_w(pszPrincipal), debugstr_w(pszPackage), fCredentialUse, |
| pLogonID, pAuthData, pGetKeyFn, pGetKeyArgument, phCredential, ptsExpiry); |
| return schan_AcquireCredentialsHandle(fCredentialUse, |
| (PSCHANNEL_CRED)pAuthData, phCredential, ptsExpiry); |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_FreeCredentialsHandle( |
| PCredHandle phCredential) |
| { |
| struct schan_credentials *creds; |
| |
| TRACE("phCredential %p\n", phCredential); |
| |
| if (!phCredential) return SEC_E_INVALID_HANDLE; |
| |
| creds = schan_free_handle(phCredential->dwLower, SCHAN_HANDLE_CRED); |
| if (!creds) return SEC_E_INVALID_HANDLE; |
| |
| if (creds->credential_use == SECPKG_CRED_OUTBOUND) |
| pgnutls_certificate_free_credentials(creds->credentials); |
| HeapFree(GetProcessHeap(), 0, creds); |
| |
| return SEC_E_OK; |
| } |
| |
| static void init_schan_buffers(struct schan_buffers *s, const PSecBufferDesc desc, |
| int (*get_next_buffer)(const struct schan_transport *, struct schan_buffers *)) |
| { |
| s->offset = 0; |
| s->desc = desc; |
| s->current_buffer_idx = -1; |
| s->allow_buffer_resize = FALSE; |
| s->get_next_buffer = get_next_buffer; |
| } |
| |
| static int schan_find_sec_buffer_idx(const SecBufferDesc *desc, unsigned int start_idx, ULONG buffer_type) |
| { |
| unsigned int i; |
| PSecBuffer buffer; |
| |
| for (i = start_idx; i < desc->cBuffers; ++i) |
| { |
| buffer = &desc->pBuffers[i]; |
| if (buffer->BufferType == buffer_type) return i; |
| } |
| |
| return -1; |
| } |
| |
| static void schan_resize_current_buffer(const struct schan_buffers *s, SIZE_T min_size) |
| { |
| SecBuffer *b = &s->desc->pBuffers[s->current_buffer_idx]; |
| SIZE_T new_size = b->cbBuffer ? b->cbBuffer * 2 : 128; |
| void *new_data; |
| |
| if (b->cbBuffer >= min_size || !s->allow_buffer_resize || min_size > UINT_MAX / 2) return; |
| |
| while (new_size < min_size) new_size *= 2; |
| |
| if (b->pvBuffer) |
| new_data = HeapReAlloc(GetProcessHeap(), 0, b->pvBuffer, new_size); |
| else |
| new_data = HeapAlloc(GetProcessHeap(), 0, new_size); |
| |
| if (!new_data) |
| { |
| TRACE("Failed to resize %p from %ld to %ld\n", b->pvBuffer, b->cbBuffer, new_size); |
| return; |
| } |
| |
| b->cbBuffer = new_size; |
| b->pvBuffer = new_data; |
| } |
| |
| static char *schan_get_buffer(const struct schan_transport *t, struct schan_buffers *s, size_t *count) |
| { |
| SIZE_T max_count; |
| PSecBuffer buffer; |
| |
| if (!s->desc) |
| { |
| TRACE("No desc\n"); |
| return NULL; |
| } |
| |
| if (s->current_buffer_idx == -1) |
| { |
| /* Initial buffer */ |
| int buffer_idx = s->get_next_buffer(t, s); |
| if (buffer_idx == -1) |
| { |
| TRACE("No next buffer\n"); |
| return NULL; |
| } |
| s->current_buffer_idx = buffer_idx; |
| } |
| |
| buffer = &s->desc->pBuffers[s->current_buffer_idx]; |
| TRACE("Using buffer %d: cbBuffer %ld, BufferType %#lx, pvBuffer %p\n", s->current_buffer_idx, buffer->cbBuffer, buffer->BufferType, buffer->pvBuffer); |
| |
| schan_resize_current_buffer(s, s->offset + *count); |
| max_count = buffer->cbBuffer - s->offset; |
| if (!max_count) |
| { |
| int buffer_idx; |
| |
| s->allow_buffer_resize = FALSE; |
| buffer_idx = s->get_next_buffer(t, s); |
| if (buffer_idx == -1) |
| { |
| TRACE("No next buffer\n"); |
| return NULL; |
| } |
| s->current_buffer_idx = buffer_idx; |
| s->offset = 0; |
| return schan_get_buffer(t, s, count); |
| } |
| |
| if (*count > max_count) *count = max_count; |
| return (char *)buffer->pvBuffer + s->offset; |
| } |
| |
| static ssize_t schan_pull(gnutls_transport_ptr_t transport, void *buff, size_t buff_len) |
| { |
| struct schan_transport *t = (struct schan_transport *)transport; |
| char *b; |
| |
| TRACE("Pull %zu bytes\n", buff_len); |
| |
| b = schan_get_buffer(t, &t->in, &buff_len); |
| if (!b) |
| { |
| pgnutls_transport_set_errno(t->ctx->session, EAGAIN); |
| return -1; |
| } |
| |
| memcpy(buff, b, buff_len); |
| t->in.offset += buff_len; |
| |
| TRACE("Read %zu bytes\n", buff_len); |
| |
| return buff_len; |
| } |
| |
| static ssize_t schan_push(gnutls_transport_ptr_t transport, const void *buff, size_t buff_len) |
| { |
| struct schan_transport *t = (struct schan_transport *)transport; |
| char *b; |
| |
| TRACE("Push %zu bytes\n", buff_len); |
| |
| b = schan_get_buffer(t, &t->out, &buff_len); |
| if (!b) |
| { |
| pgnutls_transport_set_errno(t->ctx->session, EAGAIN); |
| return -1; |
| } |
| |
| memcpy(b, buff, buff_len); |
| t->out.offset += buff_len; |
| |
| TRACE("Wrote %zu bytes\n", buff_len); |
| |
| return buff_len; |
| } |
| |
| static int schan_init_sec_ctx_get_next_buffer(const struct schan_transport *t, struct schan_buffers *s) |
| { |
| if (s->current_buffer_idx == -1) |
| { |
| int idx = schan_find_sec_buffer_idx(s->desc, 0, SECBUFFER_TOKEN); |
| if (idx != -1 && !s->desc->pBuffers[idx].pvBuffer |
| && (t->ctx->req_ctx_attr & ISC_REQ_ALLOCATE_MEMORY)) |
| s->allow_buffer_resize = TRUE; |
| return idx; |
| } |
| |
| return -1; |
| } |
| |
| /*********************************************************************** |
| * InitializeSecurityContextW |
| */ |
| static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextW( |
| PCredHandle phCredential, PCtxtHandle phContext, SEC_WCHAR *pszTargetName, |
| ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep, |
| PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext, |
| PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry) |
| { |
| struct schan_context *ctx; |
| struct schan_buffers *out_buffers; |
| struct schan_credentials *cred; |
| struct schan_transport transport; |
| int err; |
| |
| TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext, |
| debugstr_w(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput, |
| Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry); |
| |
| if (!phContext) |
| { |
| ULONG_PTR handle; |
| |
| if (!phCredential) return SEC_E_INVALID_HANDLE; |
| |
| cred = schan_get_object(phCredential->dwLower, SCHAN_HANDLE_CRED); |
| if (!cred) return SEC_E_INVALID_HANDLE; |
| |
| if (!(cred->credential_use & SECPKG_CRED_OUTBOUND)) |
| { |
| WARN("Invalid credential use %#x\n", cred->credential_use); |
| return SEC_E_INVALID_HANDLE; |
| } |
| |
| ctx = HeapAlloc(GetProcessHeap(), 0, sizeof(*ctx)); |
| if (!ctx) return SEC_E_INSUFFICIENT_MEMORY; |
| |
| handle = schan_alloc_handle(ctx, SCHAN_HANDLE_CTX); |
| if (handle == SCHAN_INVALID_HANDLE) |
| { |
| HeapFree(GetProcessHeap(), 0, ctx); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| err = pgnutls_init(&ctx->session, GNUTLS_CLIENT); |
| if (err != GNUTLS_E_SUCCESS) |
| { |
| pgnutls_perror(err); |
| schan_free_handle(handle, SCHAN_HANDLE_CTX); |
| HeapFree(GetProcessHeap(), 0, ctx); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| /* FIXME: We should be using the information from the credentials here. */ |
| FIXME("Using hardcoded \"NORMAL\" priority\n"); |
| err = pgnutls_set_default_priority(ctx->session); |
| if (err != GNUTLS_E_SUCCESS) |
| { |
| pgnutls_perror(err); |
| pgnutls_deinit(ctx->session); |
| schan_free_handle(handle, SCHAN_HANDLE_CTX); |
| HeapFree(GetProcessHeap(), 0, ctx); |
| } |
| |
| err = pgnutls_credentials_set(ctx->session, GNUTLS_CRD_CERTIFICATE, cred->credentials); |
| if (err != GNUTLS_E_SUCCESS) |
| { |
| pgnutls_perror(err); |
| pgnutls_deinit(ctx->session); |
| schan_free_handle(handle, SCHAN_HANDLE_CTX); |
| HeapFree(GetProcessHeap(), 0, ctx); |
| } |
| |
| pgnutls_transport_set_pull_function(ctx->session, schan_pull); |
| pgnutls_transport_set_push_function(ctx->session, schan_push); |
| |
| phNewContext->dwLower = handle; |
| phNewContext->dwUpper = 0; |
| } |
| else |
| { |
| ctx = schan_get_object(phContext->dwLower, SCHAN_HANDLE_CTX); |
| } |
| |
| ctx->req_ctx_attr = fContextReq; |
| |
| transport.ctx = ctx; |
| init_schan_buffers(&transport.in, pInput, schan_init_sec_ctx_get_next_buffer); |
| init_schan_buffers(&transport.out, pOutput, schan_init_sec_ctx_get_next_buffer); |
| pgnutls_transport_set_ptr(ctx->session, &transport); |
| |
| /* Perform the TLS handshake */ |
| err = pgnutls_handshake(ctx->session); |
| |
| out_buffers = &transport.out; |
| if (out_buffers->current_buffer_idx != -1) |
| { |
| SecBuffer *buffer = &out_buffers->desc->pBuffers[out_buffers->current_buffer_idx]; |
| buffer->cbBuffer = out_buffers->offset; |
| } |
| |
| *pfContextAttr = 0; |
| if (ctx->req_ctx_attr & ISC_REQ_ALLOCATE_MEMORY) |
| *pfContextAttr |= ISC_RET_ALLOCATED_MEMORY; |
| |
| switch(err) |
| { |
| case GNUTLS_E_SUCCESS: |
| TRACE("Handshake completed\n"); |
| return SEC_E_OK; |
| |
| case GNUTLS_E_AGAIN: |
| TRACE("Continue...\n"); |
| return SEC_I_CONTINUE_NEEDED; |
| |
| case GNUTLS_E_WARNING_ALERT_RECEIVED: |
| case GNUTLS_E_FATAL_ALERT_RECEIVED: |
| { |
| gnutls_alert_description_t alert = pgnutls_alert_get(ctx->session); |
| const char *alert_name = pgnutls_alert_get_name(alert); |
| WARN("ALERT: %d %s\n", alert, alert_name); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| |
| default: |
| pgnutls_perror(err); |
| return SEC_E_INTERNAL_ERROR; |
| } |
| } |
| |
| /*********************************************************************** |
| * InitializeSecurityContextA |
| */ |
| static SECURITY_STATUS SEC_ENTRY schan_InitializeSecurityContextA( |
| PCredHandle phCredential, PCtxtHandle phContext, SEC_CHAR *pszTargetName, |
| ULONG fContextReq, ULONG Reserved1, ULONG TargetDataRep, |
| PSecBufferDesc pInput, ULONG Reserved2, PCtxtHandle phNewContext, |
| PSecBufferDesc pOutput, ULONG *pfContextAttr, PTimeStamp ptsExpiry) |
| { |
| SECURITY_STATUS ret; |
| SEC_WCHAR *target_name = NULL; |
| |
| TRACE("%p %p %s %d %d %d %p %d %p %p %p %p\n", phCredential, phContext, |
| debugstr_a(pszTargetName), fContextReq, Reserved1, TargetDataRep, pInput, |
| Reserved1, phNewContext, pOutput, pfContextAttr, ptsExpiry); |
| |
| if (pszTargetName) |
| { |
| INT len = MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, NULL, 0); |
| target_name = HeapAlloc(GetProcessHeap(), 0, len * sizeof(*target_name)); |
| MultiByteToWideChar(CP_ACP, 0, pszTargetName, -1, target_name, len); |
| } |
| |
| ret = schan_InitializeSecurityContextW(phCredential, phContext, target_name, |
| fContextReq, Reserved1, TargetDataRep, pInput, Reserved2, |
| phNewContext, pOutput, pfContextAttr, ptsExpiry); |
| |
| HeapFree(GetProcessHeap(), 0, target_name); |
| |
| return ret; |
| } |
| |
| static SECURITY_STATUS SEC_ENTRY schan_DeleteSecurityContext(PCtxtHandle context_handle) |
| { |
| struct schan_context *ctx; |
| |
| TRACE("context_handle %p\n", context_handle); |
| |
| if (!context_handle) return SEC_E_INVALID_HANDLE; |
| |
| ctx = schan_free_handle(context_handle->dwLower, SCHAN_HANDLE_CTX); |
| if (!ctx) return SEC_E_INVALID_HANDLE; |
| |
| pgnutls_deinit(ctx->session); |
| HeapFree(GetProcessHeap(), 0, ctx); |
| |
| return SEC_E_OK; |
| } |
| |
| static void schan_gnutls_log(int level, const char *msg) |
| { |
| TRACE("<%d> %s", level, msg); |
| } |
| |
| static const SecurityFunctionTableA schanTableA = { |
| 1, |
| NULL, /* EnumerateSecurityPackagesA */ |
| schan_QueryCredentialsAttributesA, |
| schan_AcquireCredentialsHandleA, |
| schan_FreeCredentialsHandle, |
| NULL, /* Reserved2 */ |
| schan_InitializeSecurityContextA, |
| NULL, /* AcceptSecurityContext */ |
| NULL, /* CompleteAuthToken */ |
| schan_DeleteSecurityContext, |
| NULL, /* ApplyControlToken */ |
| NULL, /* QueryContextAttributesA */ |
| NULL, /* ImpersonateSecurityContext */ |
| NULL, /* RevertSecurityContext */ |
| NULL, /* MakeSignature */ |
| NULL, /* VerifySignature */ |
| FreeContextBuffer, |
| NULL, /* QuerySecurityPackageInfoA */ |
| NULL, /* Reserved3 */ |
| NULL, /* Reserved4 */ |
| NULL, /* ExportSecurityContext */ |
| NULL, /* ImportSecurityContextA */ |
| NULL, /* AddCredentialsA */ |
| NULL, /* Reserved8 */ |
| NULL, /* QuerySecurityContextToken */ |
| NULL, /* EncryptMessage */ |
| NULL, /* DecryptMessage */ |
| NULL, /* SetContextAttributesA */ |
| }; |
| |
| static const SecurityFunctionTableW schanTableW = { |
| 1, |
| NULL, /* EnumerateSecurityPackagesW */ |
| schan_QueryCredentialsAttributesW, |
| schan_AcquireCredentialsHandleW, |
| schan_FreeCredentialsHandle, |
| NULL, /* Reserved2 */ |
| schan_InitializeSecurityContextW, |
| NULL, /* AcceptSecurityContext */ |
| NULL, /* CompleteAuthToken */ |
| schan_DeleteSecurityContext, |
| NULL, /* ApplyControlToken */ |
| NULL, /* QueryContextAttributesW */ |
| NULL, /* ImpersonateSecurityContext */ |
| NULL, /* RevertSecurityContext */ |
| NULL, /* MakeSignature */ |
| NULL, /* VerifySignature */ |
| FreeContextBuffer, |
| NULL, /* QuerySecurityPackageInfoW */ |
| NULL, /* Reserved3 */ |
| NULL, /* Reserved4 */ |
| NULL, /* ExportSecurityContext */ |
| NULL, /* ImportSecurityContextW */ |
| NULL, /* AddCredentialsW */ |
| NULL, /* Reserved8 */ |
| NULL, /* QuerySecurityContextToken */ |
| NULL, /* EncryptMessage */ |
| NULL, /* DecryptMessage */ |
| NULL, /* SetContextAttributesW */ |
| }; |
| |
| static const WCHAR schannelComment[] = { 'S','c','h','a','n','n','e','l',' ', |
| 'S','e','c','u','r','i','t','y',' ','P','a','c','k','a','g','e',0 }; |
| static const WCHAR schannelDllName[] = { 's','c','h','a','n','n','e','l','.','d','l','l',0 }; |
| |
| void SECUR32_initSchannelSP(void) |
| { |
| /* This is what Windows reports. This shouldn't break any applications |
| * even though the functions are missing, because the wrapper will |
| * return SEC_E_UNSUPPORTED_FUNCTION if our function is NULL. |
| */ |
| static const long caps = |
| SECPKG_FLAG_INTEGRITY | |
| SECPKG_FLAG_PRIVACY | |
| SECPKG_FLAG_CONNECTION | |
| SECPKG_FLAG_MULTI_REQUIRED | |
| SECPKG_FLAG_EXTENDED_ERROR | |
| SECPKG_FLAG_IMPERSONATION | |
| SECPKG_FLAG_ACCEPT_WIN32_NAME | |
| SECPKG_FLAG_STREAM; |
| static const short version = 1; |
| static const long maxToken = 16384; |
| SEC_WCHAR *uniSPName = (SEC_WCHAR *)UNISP_NAME_W, |
| *schannel = (SEC_WCHAR *)SCHANNEL_NAME_W; |
| const SecPkgInfoW info[] = { |
| { caps, version, UNISP_RPC_ID, maxToken, uniSPName, uniSPName }, |
| { caps, version, UNISP_RPC_ID, maxToken, schannel, |
| (SEC_WCHAR *)schannelComment }, |
| }; |
| SecureProvider *provider; |
| int ret; |
| |
| libgnutls_handle = wine_dlopen(SONAME_LIBGNUTLS, RTLD_NOW, NULL, 0); |
| if (!libgnutls_handle) |
| { |
| WARN("Failed to load libgnutls.\n"); |
| return; |
| } |
| |
| #define LOAD_FUNCPTR(f) \ |
| if (!(p##f = wine_dlsym(libgnutls_handle, #f, NULL, 0))) \ |
| { \ |
| ERR("Failed to load %s\n", #f); \ |
| goto fail; \ |
| } |
| |
| LOAD_FUNCPTR(gnutls_alert_get) |
| LOAD_FUNCPTR(gnutls_alert_get_name) |
| LOAD_FUNCPTR(gnutls_certificate_allocate_credentials) |
| LOAD_FUNCPTR(gnutls_certificate_free_credentials) |
| LOAD_FUNCPTR(gnutls_credentials_set) |
| LOAD_FUNCPTR(gnutls_deinit) |
| LOAD_FUNCPTR(gnutls_global_deinit) |
| LOAD_FUNCPTR(gnutls_global_init) |
| LOAD_FUNCPTR(gnutls_global_set_log_function) |
| LOAD_FUNCPTR(gnutls_global_set_log_level) |
| LOAD_FUNCPTR(gnutls_handshake) |
| LOAD_FUNCPTR(gnutls_init) |
| LOAD_FUNCPTR(gnutls_perror) |
| LOAD_FUNCPTR(gnutls_set_default_priority) |
| LOAD_FUNCPTR(gnutls_transport_set_errno) |
| LOAD_FUNCPTR(gnutls_transport_set_ptr) |
| LOAD_FUNCPTR(gnutls_transport_set_pull_function) |
| LOAD_FUNCPTR(gnutls_transport_set_push_function) |
| #undef LOAD_FUNCPTR |
| |
| ret = pgnutls_global_init(); |
| if (ret != GNUTLS_E_SUCCESS) |
| { |
| pgnutls_perror(ret); |
| goto fail; |
| } |
| |
| if (TRACE_ON(secur32)) |
| { |
| pgnutls_global_set_log_level(4); |
| pgnutls_global_set_log_function(schan_gnutls_log); |
| } |
| |
| schan_handle_table = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, 64 * sizeof(*schan_handle_table)); |
| if (!schan_handle_table) |
| { |
| ERR("Failed to allocate schannel handle table.\n"); |
| goto fail; |
| } |
| schan_handle_table_size = 64; |
| |
| provider = SECUR32_addProvider(&schanTableA, &schanTableW, schannelDllName); |
| if (!provider) |
| { |
| ERR("Failed to add schannel provider.\n"); |
| goto fail; |
| } |
| |
| SECUR32_addPackages(provider, sizeof(info) / sizeof(info[0]), NULL, info); |
| |
| return; |
| |
| fail: |
| HeapFree(GetProcessHeap(), 0, schan_handle_table); |
| schan_handle_table = NULL; |
| wine_dlclose(libgnutls_handle, NULL, 0); |
| libgnutls_handle = NULL; |
| return; |
| } |
| |
| void SECUR32_deinitSchannelSP(void) |
| { |
| if (!libgnutls_handle) return; |
| |
| pgnutls_global_deinit(); |
| wine_dlclose(libgnutls_handle, NULL, 0); |
| } |
| |
| #else /* SONAME_LIBGNUTLS */ |
| |
| void SECUR32_initSchannelSP(void) {} |
| void SECUR32_deinitSchannelSP(void) {} |
| |
| #endif /* SONAME_LIBGNUTLS */ |