| /* |
| * Copyright 2008 Hans Leidekker for CodeWeavers |
| * Copyright 2013 Jacek Caban for CodeWeavers |
| * |
| * 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 |
| */ |
| |
| #include "config.h" |
| #include "wine/port.h" |
| |
| #include <stdarg.h> |
| #include <stdio.h> |
| #include <errno.h> |
| #include <assert.h> |
| |
| #include <sys/types.h> |
| #ifdef HAVE_SYS_SOCKET_H |
| # include <sys/socket.h> |
| #endif |
| #ifdef HAVE_SYS_IOCTL_H |
| # include <sys/ioctl.h> |
| #endif |
| #ifdef HAVE_SYS_FILIO_H |
| # include <sys/filio.h> |
| #endif |
| #ifdef HAVE_POLL_H |
| # include <poll.h> |
| #endif |
| |
| #define NONAMELESSUNION |
| |
| #include "wine/debug.h" |
| #include "wine/library.h" |
| |
| #include "windef.h" |
| #include "winbase.h" |
| #include "winhttp.h" |
| #include "wincrypt.h" |
| #include "schannel.h" |
| |
| #include "winhttp_private.h" |
| |
| /* to avoid conflicts with the Unix socket headers */ |
| #define USE_WS_PREFIX |
| #include "winsock2.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(winhttp); |
| |
| #ifndef HAVE_GETADDRINFO |
| |
| /* critical section to protect non-reentrant gethostbyname() */ |
| static CRITICAL_SECTION cs_gethostbyname; |
| static CRITICAL_SECTION_DEBUG critsect_debug = |
| { |
| 0, 0, &cs_gethostbyname, |
| { &critsect_debug.ProcessLocksList, &critsect_debug.ProcessLocksList }, |
| 0, 0, { (DWORD_PTR)(__FILE__ ": cs_gethostbyname") } |
| }; |
| static CRITICAL_SECTION cs_gethostbyname = { &critsect_debug, -1, 0, 0, 0, 0 }; |
| |
| #endif |
| |
| /* translate a unix error code into a winsock error code */ |
| static int sock_get_error( int err ) |
| { |
| #if !defined(__MINGW32__) && !defined (_MSC_VER) |
| switch (err) |
| { |
| case EINTR: return WSAEINTR; |
| case EBADF: return WSAEBADF; |
| case EPERM: |
| case EACCES: return WSAEACCES; |
| case EFAULT: return WSAEFAULT; |
| case EINVAL: return WSAEINVAL; |
| case EMFILE: return WSAEMFILE; |
| case EWOULDBLOCK: return WSAEWOULDBLOCK; |
| case EINPROGRESS: return WSAEINPROGRESS; |
| case EALREADY: return WSAEALREADY; |
| case ENOTSOCK: return WSAENOTSOCK; |
| case EDESTADDRREQ: return WSAEDESTADDRREQ; |
| case EMSGSIZE: return WSAEMSGSIZE; |
| case EPROTOTYPE: return WSAEPROTOTYPE; |
| case ENOPROTOOPT: return WSAENOPROTOOPT; |
| case EPROTONOSUPPORT: return WSAEPROTONOSUPPORT; |
| case ESOCKTNOSUPPORT: return WSAESOCKTNOSUPPORT; |
| case EOPNOTSUPP: return WSAEOPNOTSUPP; |
| case EPFNOSUPPORT: return WSAEPFNOSUPPORT; |
| case EAFNOSUPPORT: return WSAEAFNOSUPPORT; |
| case EADDRINUSE: return WSAEADDRINUSE; |
| case EADDRNOTAVAIL: return WSAEADDRNOTAVAIL; |
| case ENETDOWN: return WSAENETDOWN; |
| case ENETUNREACH: return WSAENETUNREACH; |
| case ENETRESET: return WSAENETRESET; |
| case ECONNABORTED: return WSAECONNABORTED; |
| case EPIPE: |
| case ECONNRESET: return WSAECONNRESET; |
| case ENOBUFS: return WSAENOBUFS; |
| case EISCONN: return WSAEISCONN; |
| case ENOTCONN: return WSAENOTCONN; |
| case ESHUTDOWN: return WSAESHUTDOWN; |
| case ETOOMANYREFS: return WSAETOOMANYREFS; |
| case ETIMEDOUT: return WSAETIMEDOUT; |
| case ECONNREFUSED: return WSAECONNREFUSED; |
| case ELOOP: return WSAELOOP; |
| case ENAMETOOLONG: return WSAENAMETOOLONG; |
| case EHOSTDOWN: return WSAEHOSTDOWN; |
| case EHOSTUNREACH: return WSAEHOSTUNREACH; |
| case ENOTEMPTY: return WSAENOTEMPTY; |
| #ifdef EPROCLIM |
| case EPROCLIM: return WSAEPROCLIM; |
| #endif |
| #ifdef EUSERS |
| case EUSERS: return WSAEUSERS; |
| #endif |
| #ifdef EDQUOT |
| case EDQUOT: return WSAEDQUOT; |
| #endif |
| #ifdef ESTALE |
| case ESTALE: return WSAESTALE; |
| #endif |
| #ifdef EREMOTE |
| case EREMOTE: return WSAEREMOTE; |
| #endif |
| default: errno = err; perror( "sock_set_error" ); return WSAEFAULT; |
| } |
| #endif |
| return err; |
| } |
| |
| static int sock_send(int fd, const void *msg, size_t len, int flags) |
| { |
| int ret; |
| do |
| { |
| if ((ret = send(fd, msg, len, flags)) == -1) WARN("send error %s\n", strerror(errno)); |
| } |
| while(ret == -1 && errno == EINTR); |
| return ret; |
| } |
| |
| static int sock_recv(int fd, void *msg, size_t len, int flags) |
| { |
| int ret; |
| do |
| { |
| if ((ret = recv(fd, msg, len, flags)) == -1) WARN("recv error %s\n", strerror(errno)); |
| } |
| while(ret == -1 && errno == EINTR); |
| return ret; |
| } |
| |
| static DWORD netconn_verify_cert( PCCERT_CONTEXT cert, WCHAR *server, DWORD security_flags ) |
| { |
| HCERTSTORE store = cert->hCertStore; |
| BOOL ret; |
| CERT_CHAIN_PARA chainPara = { sizeof(chainPara), { 0 } }; |
| PCCERT_CHAIN_CONTEXT chain; |
| char oid_server_auth[] = szOID_PKIX_KP_SERVER_AUTH; |
| char *server_auth[] = { oid_server_auth }; |
| DWORD err = ERROR_SUCCESS; |
| |
| TRACE("verifying %s\n", debugstr_w( server )); |
| chainPara.RequestedUsage.Usage.cUsageIdentifier = 1; |
| chainPara.RequestedUsage.Usage.rgpszUsageIdentifier = server_auth; |
| if ((ret = CertGetCertificateChain( NULL, cert, NULL, store, &chainPara, |
| CERT_CHAIN_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT, |
| NULL, &chain ))) |
| { |
| if (chain->TrustStatus.dwErrorStatus) |
| { |
| static const DWORD supportedErrors = |
| CERT_TRUST_IS_NOT_TIME_VALID | |
| CERT_TRUST_IS_UNTRUSTED_ROOT | |
| CERT_TRUST_IS_NOT_VALID_FOR_USAGE; |
| |
| if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_NOT_TIME_VALID) |
| { |
| if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_DATE_INVALID)) |
| err = ERROR_WINHTTP_SECURE_CERT_DATE_INVALID; |
| } |
| else if (chain->TrustStatus.dwErrorStatus & |
| CERT_TRUST_IS_UNTRUSTED_ROOT) |
| { |
| if (!(security_flags & SECURITY_FLAG_IGNORE_UNKNOWN_CA)) |
| err = ERROR_WINHTTP_SECURE_INVALID_CA; |
| } |
| else if ((chain->TrustStatus.dwErrorStatus & |
| CERT_TRUST_IS_OFFLINE_REVOCATION) || |
| (chain->TrustStatus.dwErrorStatus & |
| CERT_TRUST_REVOCATION_STATUS_UNKNOWN)) |
| err = ERROR_WINHTTP_SECURE_CERT_REV_FAILED; |
| else if (chain->TrustStatus.dwErrorStatus & CERT_TRUST_IS_REVOKED) |
| err = ERROR_WINHTTP_SECURE_CERT_REVOKED; |
| else if (chain->TrustStatus.dwErrorStatus & |
| CERT_TRUST_IS_NOT_VALID_FOR_USAGE) |
| { |
| if (!(security_flags & SECURITY_FLAG_IGNORE_CERT_WRONG_USAGE)) |
| err = ERROR_WINHTTP_SECURE_CERT_WRONG_USAGE; |
| } |
| else if (chain->TrustStatus.dwErrorStatus & ~supportedErrors) |
| err = ERROR_WINHTTP_SECURE_INVALID_CERT; |
| } |
| if (!err) |
| { |
| CERT_CHAIN_POLICY_PARA policyPara; |
| SSL_EXTRA_CERT_CHAIN_POLICY_PARA sslExtraPolicyPara; |
| CERT_CHAIN_POLICY_STATUS policyStatus; |
| CERT_CHAIN_CONTEXT chainCopy; |
| |
| /* Clear chain->TrustStatus.dwErrorStatus so |
| * CertVerifyCertificateChainPolicy will verify additional checks |
| * rather than stopping with an existing, ignored error. |
| */ |
| memcpy(&chainCopy, chain, sizeof(chainCopy)); |
| chainCopy.TrustStatus.dwErrorStatus = 0; |
| sslExtraPolicyPara.u.cbSize = sizeof(sslExtraPolicyPara); |
| sslExtraPolicyPara.dwAuthType = AUTHTYPE_SERVER; |
| sslExtraPolicyPara.pwszServerName = server; |
| sslExtraPolicyPara.fdwChecks = security_flags; |
| policyPara.cbSize = sizeof(policyPara); |
| policyPara.dwFlags = 0; |
| policyPara.pvExtraPolicyPara = &sslExtraPolicyPara; |
| ret = CertVerifyCertificateChainPolicy( CERT_CHAIN_POLICY_SSL, |
| &chainCopy, &policyPara, |
| &policyStatus ); |
| /* Any error in the policy status indicates that the |
| * policy couldn't be verified. |
| */ |
| if (ret && policyStatus.dwError) |
| { |
| if (policyStatus.dwError == CERT_E_CN_NO_MATCH) |
| err = ERROR_WINHTTP_SECURE_CERT_CN_INVALID; |
| else |
| err = ERROR_WINHTTP_SECURE_INVALID_CERT; |
| } |
| } |
| CertFreeCertificateChain( chain ); |
| } |
| else |
| err = ERROR_WINHTTP_SECURE_CHANNEL_ERROR; |
| TRACE("returning %08x\n", err); |
| return err; |
| } |
| |
| void netconn_unload( void ) |
| { |
| #ifndef HAVE_GETADDRINFO |
| DeleteCriticalSection(&cs_gethostbyname); |
| #endif |
| } |
| |
| netconn_t *netconn_create( hostdata_t *host, const struct sockaddr_storage *sockaddr, int timeout ) |
| { |
| netconn_t *conn; |
| unsigned int addr_len; |
| BOOL ret = FALSE; |
| int res; |
| ULONG state; |
| |
| conn = heap_alloc_zero(sizeof(*conn)); |
| if (!conn) return NULL; |
| conn->host = host; |
| conn->sockaddr = *sockaddr; |
| if ((conn->socket = socket( sockaddr->ss_family, SOCK_STREAM, 0 )) == -1) |
| { |
| WARN("unable to create socket (%s)\n", strerror(errno)); |
| set_last_error( sock_get_error( errno ) ); |
| heap_free(conn); |
| return NULL; |
| } |
| |
| switch (conn->sockaddr.ss_family) |
| { |
| case AF_INET: |
| addr_len = sizeof(struct sockaddr_in); |
| break; |
| case AF_INET6: |
| addr_len = sizeof(struct sockaddr_in6); |
| break; |
| default: |
| assert(0); |
| } |
| |
| if (timeout > 0) |
| { |
| state = 1; |
| ioctlsocket( conn->socket, FIONBIO, &state ); |
| } |
| |
| for (;;) |
| { |
| res = 0; |
| if (connect( conn->socket, (const struct sockaddr *)&conn->sockaddr, addr_len ) < 0) |
| { |
| res = sock_get_error( errno ); |
| if (res == WSAEWOULDBLOCK || res == WSAEINPROGRESS) |
| { |
| struct pollfd pfd; |
| |
| pfd.fd = conn->socket; |
| pfd.events = POLLOUT; |
| for (;;) |
| { |
| res = 0; |
| if (poll( &pfd, 1, timeout ) > 0) |
| { |
| ret = TRUE; |
| break; |
| } |
| else |
| { |
| res = sock_get_error( errno ); |
| if (res != WSAEINTR) break; |
| } |
| } |
| } |
| if (res != WSAEINTR) break; |
| } |
| else |
| { |
| ret = TRUE; |
| break; |
| } |
| } |
| if (timeout > 0) |
| { |
| state = 0; |
| ioctlsocket( conn->socket, FIONBIO, &state ); |
| } |
| if (!ret) |
| { |
| WARN("unable to connect to host (%d)\n", res); |
| set_last_error( res ); |
| netconn_close( conn ); |
| return NULL; |
| } |
| return conn; |
| } |
| |
| BOOL netconn_close( netconn_t *conn ) |
| { |
| int res; |
| |
| if (conn->secure) |
| { |
| heap_free( conn->peek_msg_mem ); |
| heap_free(conn->ssl_buf); |
| heap_free(conn->extra_buf); |
| DeleteSecurityContext(&conn->ssl_ctx); |
| } |
| res = closesocket( conn->socket ); |
| release_host( conn->host ); |
| heap_free(conn); |
| if (res == -1) |
| { |
| set_last_error( sock_get_error( errno ) ); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| BOOL netconn_secure_connect( netconn_t *conn, WCHAR *hostname, DWORD security_flags, CredHandle *cred_handle ) |
| { |
| SecBuffer out_buf = {0, SECBUFFER_TOKEN, NULL}, in_bufs[2] = {{0, SECBUFFER_TOKEN}, {0, SECBUFFER_EMPTY}}; |
| SecBufferDesc out_desc = {SECBUFFER_VERSION, 1, &out_buf}, in_desc = {SECBUFFER_VERSION, 2, in_bufs}; |
| BYTE *read_buf; |
| SIZE_T read_buf_size = 2048; |
| ULONG attrs = 0; |
| CtxtHandle ctx; |
| SSIZE_T size; |
| const CERT_CONTEXT *cert; |
| SECURITY_STATUS status; |
| DWORD res = ERROR_SUCCESS; |
| |
| const DWORD isc_req_flags = ISC_REQ_ALLOCATE_MEMORY|ISC_REQ_USE_SESSION_KEY|ISC_REQ_CONFIDENTIALITY |
| |ISC_REQ_SEQUENCE_DETECT|ISC_REQ_REPLAY_DETECT|ISC_REQ_MANUAL_CRED_VALIDATION; |
| |
| read_buf = heap_alloc(read_buf_size); |
| if(!read_buf) |
| return FALSE; |
| |
| status = InitializeSecurityContextW(cred_handle, NULL, hostname, isc_req_flags, 0, 0, NULL, 0, |
| &ctx, &out_desc, &attrs, NULL); |
| |
| assert(status != SEC_E_OK); |
| |
| while(status == SEC_I_CONTINUE_NEEDED || status == SEC_E_INCOMPLETE_MESSAGE) { |
| if(out_buf.cbBuffer) { |
| assert(status == SEC_I_CONTINUE_NEEDED); |
| |
| TRACE("sending %u bytes\n", out_buf.cbBuffer); |
| |
| size = sock_send(conn->socket, out_buf.pvBuffer, out_buf.cbBuffer, 0); |
| if(size != out_buf.cbBuffer) { |
| ERR("send failed\n"); |
| res = ERROR_WINHTTP_SECURE_CHANNEL_ERROR; |
| break; |
| } |
| |
| FreeContextBuffer(out_buf.pvBuffer); |
| out_buf.pvBuffer = NULL; |
| out_buf.cbBuffer = 0; |
| } |
| |
| if(status == SEC_I_CONTINUE_NEEDED) { |
| assert(in_bufs[1].cbBuffer < read_buf_size); |
| |
| memmove(read_buf, (BYTE*)in_bufs[0].pvBuffer+in_bufs[0].cbBuffer-in_bufs[1].cbBuffer, in_bufs[1].cbBuffer); |
| in_bufs[0].cbBuffer = in_bufs[1].cbBuffer; |
| |
| in_bufs[1].BufferType = SECBUFFER_EMPTY; |
| in_bufs[1].cbBuffer = 0; |
| in_bufs[1].pvBuffer = NULL; |
| } |
| |
| assert(in_bufs[0].BufferType == SECBUFFER_TOKEN); |
| assert(in_bufs[1].BufferType == SECBUFFER_EMPTY); |
| |
| if(in_bufs[0].cbBuffer + 1024 > read_buf_size) { |
| BYTE *new_read_buf; |
| |
| new_read_buf = heap_realloc(read_buf, read_buf_size + 1024); |
| if(!new_read_buf) { |
| status = E_OUTOFMEMORY; |
| break; |
| } |
| |
| in_bufs[0].pvBuffer = read_buf = new_read_buf; |
| read_buf_size += 1024; |
| } |
| |
| size = sock_recv(conn->socket, read_buf+in_bufs[0].cbBuffer, read_buf_size-in_bufs[0].cbBuffer, 0); |
| if(size < 1) { |
| status = ERROR_WINHTTP_SECURE_CHANNEL_ERROR; |
| break; |
| } |
| |
| TRACE("recv %lu bytes\n", size); |
| |
| in_bufs[0].cbBuffer += size; |
| in_bufs[0].pvBuffer = read_buf; |
| status = InitializeSecurityContextW(cred_handle, &ctx, hostname, isc_req_flags, 0, 0, &in_desc, |
| 0, NULL, &out_desc, &attrs, NULL); |
| TRACE("InitializeSecurityContext ret %08x\n", status); |
| |
| if(status == SEC_E_OK) { |
| if(in_bufs[1].BufferType == SECBUFFER_EXTRA) |
| FIXME("SECBUFFER_EXTRA not supported\n"); |
| |
| status = QueryContextAttributesW(&ctx, SECPKG_ATTR_STREAM_SIZES, &conn->ssl_sizes); |
| if(status != SEC_E_OK) { |
| WARN("Could not get sizes\n"); |
| break; |
| } |
| |
| status = QueryContextAttributesW(&ctx, SECPKG_ATTR_REMOTE_CERT_CONTEXT, (void*)&cert); |
| if(status == SEC_E_OK) { |
| res = netconn_verify_cert(cert, hostname, security_flags); |
| CertFreeCertificateContext(cert); |
| if(res != ERROR_SUCCESS) { |
| WARN("cert verify failed: %u\n", res); |
| break; |
| } |
| }else { |
| WARN("Could not get cert\n"); |
| break; |
| } |
| |
| conn->ssl_buf = heap_alloc(conn->ssl_sizes.cbHeader + conn->ssl_sizes.cbMaximumMessage + conn->ssl_sizes.cbTrailer); |
| if(!conn->ssl_buf) { |
| res = GetLastError(); |
| break; |
| } |
| } |
| } |
| |
| heap_free(read_buf); |
| |
| if(status != SEC_E_OK || res != ERROR_SUCCESS) { |
| WARN("Failed to initialize security context failed: %08x\n", status); |
| heap_free(conn->ssl_buf); |
| conn->ssl_buf = NULL; |
| DeleteSecurityContext(&ctx); |
| set_last_error(res ? res : ERROR_WINHTTP_SECURE_CHANNEL_ERROR); |
| return FALSE; |
| } |
| |
| |
| TRACE("established SSL connection\n"); |
| conn->secure = TRUE; |
| conn->ssl_ctx = ctx; |
| return TRUE; |
| } |
| |
| static BOOL send_ssl_chunk(netconn_t *conn, const void *msg, size_t size) |
| { |
| SecBuffer bufs[4] = { |
| {conn->ssl_sizes.cbHeader, SECBUFFER_STREAM_HEADER, conn->ssl_buf}, |
| {size, SECBUFFER_DATA, conn->ssl_buf+conn->ssl_sizes.cbHeader}, |
| {conn->ssl_sizes.cbTrailer, SECBUFFER_STREAM_TRAILER, conn->ssl_buf+conn->ssl_sizes.cbHeader+size}, |
| {0, SECBUFFER_EMPTY, NULL} |
| }; |
| SecBufferDesc buf_desc = {SECBUFFER_VERSION, sizeof(bufs)/sizeof(*bufs), bufs}; |
| SECURITY_STATUS res; |
| |
| memcpy(bufs[1].pvBuffer, msg, size); |
| res = EncryptMessage(&conn->ssl_ctx, 0, &buf_desc, 0); |
| if(res != SEC_E_OK) { |
| WARN("EncryptMessage failed\n"); |
| return FALSE; |
| } |
| |
| if(sock_send(conn->socket, conn->ssl_buf, bufs[0].cbBuffer+bufs[1].cbBuffer+bufs[2].cbBuffer, 0) < 1) { |
| WARN("send failed\n"); |
| return FALSE; |
| } |
| |
| return TRUE; |
| } |
| |
| BOOL netconn_send( netconn_t *conn, const void *msg, size_t len, int *sent ) |
| { |
| if (conn->secure) |
| { |
| const BYTE *ptr = msg; |
| size_t chunk_size; |
| |
| *sent = 0; |
| |
| while(len) { |
| chunk_size = min(len, conn->ssl_sizes.cbMaximumMessage); |
| if(!send_ssl_chunk(conn, ptr, chunk_size)) |
| return FALSE; |
| |
| *sent += chunk_size; |
| ptr += chunk_size; |
| len -= chunk_size; |
| } |
| |
| return TRUE; |
| } |
| if ((*sent = sock_send( conn->socket, msg, len, 0 )) == -1) |
| { |
| set_last_error( sock_get_error( errno ) ); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| static BOOL read_ssl_chunk(netconn_t *conn, void *buf, SIZE_T buf_size, SIZE_T *ret_size, BOOL *eof) |
| { |
| const SIZE_T ssl_buf_size = conn->ssl_sizes.cbHeader+conn->ssl_sizes.cbMaximumMessage+conn->ssl_sizes.cbTrailer; |
| SecBuffer bufs[4]; |
| SecBufferDesc buf_desc = {SECBUFFER_VERSION, sizeof(bufs)/sizeof(*bufs), bufs}; |
| SSIZE_T size, buf_len; |
| unsigned int i; |
| SECURITY_STATUS res; |
| |
| assert(conn->extra_len < ssl_buf_size); |
| |
| if(conn->extra_len) { |
| memcpy(conn->ssl_buf, conn->extra_buf, conn->extra_len); |
| buf_len = conn->extra_len; |
| conn->extra_len = 0; |
| heap_free(conn->extra_buf); |
| conn->extra_buf = NULL; |
| }else { |
| buf_len = sock_recv(conn->socket, conn->ssl_buf+conn->extra_len, ssl_buf_size-conn->extra_len, 0); |
| if(buf_len < 0) |
| return FALSE; |
| |
| if(!buf_len) { |
| *eof = TRUE; |
| return TRUE; |
| } |
| } |
| |
| *ret_size = 0; |
| *eof = FALSE; |
| |
| do { |
| memset(bufs, 0, sizeof(bufs)); |
| bufs[0].BufferType = SECBUFFER_DATA; |
| bufs[0].cbBuffer = buf_len; |
| bufs[0].pvBuffer = conn->ssl_buf; |
| |
| res = DecryptMessage(&conn->ssl_ctx, &buf_desc, 0, NULL); |
| switch(res) { |
| case SEC_E_OK: |
| break; |
| case SEC_I_CONTEXT_EXPIRED: |
| TRACE("context expired\n"); |
| *eof = TRUE; |
| return TRUE; |
| case SEC_E_INCOMPLETE_MESSAGE: |
| assert(buf_len < ssl_buf_size); |
| |
| size = sock_recv(conn->socket, conn->ssl_buf+buf_len, ssl_buf_size-buf_len, 0); |
| if(size < 1) |
| return FALSE; |
| |
| buf_len += size; |
| continue; |
| default: |
| WARN("failed: %08x\n", res); |
| return FALSE; |
| } |
| } while(res != SEC_E_OK); |
| |
| for(i=0; i < sizeof(bufs)/sizeof(*bufs); i++) { |
| if(bufs[i].BufferType == SECBUFFER_DATA) { |
| size = min(buf_size, bufs[i].cbBuffer); |
| memcpy(buf, bufs[i].pvBuffer, size); |
| if(size < bufs[i].cbBuffer) { |
| assert(!conn->peek_len); |
| conn->peek_msg_mem = conn->peek_msg = heap_alloc(bufs[i].cbBuffer - size); |
| if(!conn->peek_msg) |
| return FALSE; |
| conn->peek_len = bufs[i].cbBuffer-size; |
| memcpy(conn->peek_msg, (char*)bufs[i].pvBuffer+size, conn->peek_len); |
| } |
| |
| *ret_size = size; |
| } |
| } |
| |
| for(i=0; i < sizeof(bufs)/sizeof(*bufs); i++) { |
| if(bufs[i].BufferType == SECBUFFER_EXTRA) { |
| conn->extra_buf = heap_alloc(bufs[i].cbBuffer); |
| if(!conn->extra_buf) |
| return FALSE; |
| |
| conn->extra_len = bufs[i].cbBuffer; |
| memcpy(conn->extra_buf, bufs[i].pvBuffer, conn->extra_len); |
| } |
| } |
| |
| return TRUE; |
| } |
| |
| BOOL netconn_recv( netconn_t *conn, void *buf, size_t len, int flags, int *recvd ) |
| { |
| *recvd = 0; |
| if (!len) return TRUE; |
| |
| if (conn->secure) |
| { |
| SIZE_T size, cread; |
| BOOL res, eof; |
| |
| if (conn->peek_msg) |
| { |
| *recvd = min( len, conn->peek_len ); |
| memcpy( buf, conn->peek_msg, *recvd ); |
| conn->peek_len -= *recvd; |
| conn->peek_msg += *recvd; |
| |
| if (conn->peek_len == 0) |
| { |
| heap_free( conn->peek_msg_mem ); |
| conn->peek_msg_mem = NULL; |
| conn->peek_msg = NULL; |
| } |
| /* check if we have enough data from the peek buffer */ |
| if (!(flags & MSG_WAITALL) || *recvd == len) return TRUE; |
| } |
| size = *recvd; |
| |
| do { |
| res = read_ssl_chunk(conn, (BYTE*)buf+size, len-size, &cread, &eof); |
| if(!res) { |
| WARN("read_ssl_chunk failed\n"); |
| if(!size) |
| return FALSE; |
| break; |
| } |
| |
| if(eof) { |
| TRACE("EOF\n"); |
| break; |
| } |
| |
| size += cread; |
| }while(!size || ((flags & MSG_WAITALL) && size < len)); |
| |
| TRACE("received %ld bytes\n", size); |
| *recvd = size; |
| return TRUE; |
| } |
| if ((*recvd = sock_recv( conn->socket, buf, len, flags )) == -1) |
| { |
| set_last_error( sock_get_error( errno ) ); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| ULONG netconn_query_data_available( netconn_t *conn ) |
| { |
| return conn->secure ? conn->peek_len : 0; |
| } |
| |
| DWORD netconn_set_timeout( netconn_t *netconn, BOOL send, int value ) |
| { |
| struct timeval tv; |
| |
| /* value is in milliseconds, convert to struct timeval */ |
| tv.tv_sec = value / 1000; |
| tv.tv_usec = (value % 1000) * 1000; |
| |
| if (setsockopt( netconn->socket, SOL_SOCKET, send ? SO_SNDTIMEO : SO_RCVTIMEO, (void*)&tv, sizeof(tv) ) == -1) |
| { |
| WARN("setsockopt failed (%s)\n", strerror( errno )); |
| return sock_get_error( errno ); |
| } |
| return ERROR_SUCCESS; |
| } |
| |
| BOOL netconn_is_alive( netconn_t *netconn ) |
| { |
| #ifdef MSG_DONTWAIT |
| ssize_t len; |
| BYTE b; |
| |
| len = recv( netconn->socket, &b, 1, MSG_PEEK | MSG_DONTWAIT ); |
| return len == 1 || (len == -1 && errno == EWOULDBLOCK); |
| #elif defined(__MINGW32__) || defined(_MSC_VER) |
| ULONG mode; |
| int len; |
| char b; |
| |
| mode = 1; |
| if(!ioctlsocket(netconn->socket, FIONBIO, &mode)) |
| return FALSE; |
| |
| len = recv(netconn->socket, &b, 1, MSG_PEEK); |
| |
| mode = 0; |
| if(!ioctlsocket(netconn->socket, FIONBIO, &mode)) |
| return FALSE; |
| |
| return len == 1 || (len == -1 && WSAGetLastError() == WSAEWOULDBLOCK); |
| #else |
| FIXME("not supported on this platform\n"); |
| return TRUE; |
| #endif |
| } |
| |
| static DWORD resolve_hostname( const WCHAR *hostnameW, INTERNET_PORT port, struct sockaddr_storage *sa ) |
| { |
| char *hostname; |
| #ifdef HAVE_GETADDRINFO |
| struct addrinfo *res, hints; |
| int ret; |
| #else |
| struct hostent *he; |
| struct sockaddr_in *sin = (struct sockaddr_in *)sa; |
| #endif |
| |
| if (!(hostname = strdupWA( hostnameW ))) return ERROR_OUTOFMEMORY; |
| |
| #ifdef HAVE_GETADDRINFO |
| memset( &hints, 0, sizeof(struct addrinfo) ); |
| /* Prefer IPv4 to IPv6 addresses, since some web servers do not listen on |
| * their IPv6 addresses even though they have IPv6 addresses in the DNS. |
| */ |
| hints.ai_family = AF_INET; |
| |
| ret = getaddrinfo( hostname, NULL, &hints, &res ); |
| if (ret != 0) |
| { |
| TRACE("failed to get IPv4 address of %s (%s), retrying with IPv6\n", debugstr_w(hostnameW), gai_strerror(ret)); |
| hints.ai_family = AF_INET6; |
| ret = getaddrinfo( hostname, NULL, &hints, &res ); |
| if (ret != 0) |
| { |
| TRACE("failed to get address of %s (%s)\n", debugstr_w(hostnameW), gai_strerror(ret)); |
| heap_free( hostname ); |
| return ERROR_WINHTTP_NAME_NOT_RESOLVED; |
| } |
| } |
| heap_free( hostname ); |
| memcpy( sa, res->ai_addr, res->ai_addrlen ); |
| /* Copy port */ |
| switch (res->ai_family) |
| { |
| case AF_INET: |
| ((struct sockaddr_in *)sa)->sin_port = htons( port ); |
| break; |
| case AF_INET6: |
| ((struct sockaddr_in6 *)sa)->sin6_port = htons( port ); |
| break; |
| } |
| |
| freeaddrinfo( res ); |
| return ERROR_SUCCESS; |
| #else |
| EnterCriticalSection( &cs_gethostbyname ); |
| |
| he = gethostbyname( hostname ); |
| heap_free( hostname ); |
| if (!he) |
| { |
| TRACE("failed to get address of %s (%d)\n", debugstr_w(hostnameW), h_errno); |
| LeaveCriticalSection( &cs_gethostbyname ); |
| return ERROR_WINHTTP_NAME_NOT_RESOLVED; |
| } |
| memset( sa, 0, sizeof(struct sockaddr_in) ); |
| memcpy( &sin->sin_addr, he->h_addr, he->h_length ); |
| sin->sin_family = he->h_addrtype; |
| sin->sin_port = htons( port ); |
| |
| LeaveCriticalSection( &cs_gethostbyname ); |
| return ERROR_SUCCESS; |
| #endif |
| } |
| |
| struct resolve_args |
| { |
| const WCHAR *hostname; |
| INTERNET_PORT port; |
| struct sockaddr_storage *sa; |
| }; |
| |
| static DWORD CALLBACK resolve_proc( LPVOID arg ) |
| { |
| struct resolve_args *ra = arg; |
| return resolve_hostname( ra->hostname, ra->port, ra->sa ); |
| } |
| |
| BOOL netconn_resolve( WCHAR *hostname, INTERNET_PORT port, struct sockaddr_storage *sa, int timeout ) |
| { |
| DWORD ret; |
| |
| if (timeout) |
| { |
| DWORD status; |
| HANDLE thread; |
| struct resolve_args ra; |
| |
| ra.hostname = hostname; |
| ra.port = port; |
| ra.sa = sa; |
| |
| thread = CreateThread( NULL, 0, resolve_proc, &ra, 0, NULL ); |
| if (!thread) return FALSE; |
| |
| status = WaitForSingleObject( thread, timeout ); |
| if (status == WAIT_OBJECT_0) GetExitCodeThread( thread, &ret ); |
| else ret = ERROR_WINHTTP_TIMEOUT; |
| CloseHandle( thread ); |
| } |
| else ret = resolve_hostname( hostname, port, sa ); |
| |
| if (ret) |
| { |
| set_last_error( ret ); |
| return FALSE; |
| } |
| return TRUE; |
| } |
| |
| const void *netconn_get_certificate( netconn_t *conn ) |
| { |
| const CERT_CONTEXT *ret; |
| SECURITY_STATUS res; |
| |
| if (!conn->secure) return NULL; |
| res = QueryContextAttributesW(&conn->ssl_ctx, SECPKG_ATTR_REMOTE_CERT_CONTEXT, (void*)&ret); |
| return res == SEC_E_OK ? ret : NULL; |
| } |
| |
| int netconn_get_cipher_strength( netconn_t *conn ) |
| { |
| SecPkgContext_ConnectionInfo conn_info; |
| SECURITY_STATUS res; |
| |
| if (!conn->secure) return 0; |
| res = QueryContextAttributesW(&conn->ssl_ctx, SECPKG_ATTR_CONNECTION_INFO, (void*)&conn_info); |
| if(res != SEC_E_OK) |
| WARN("QueryContextAttributesW failed: %08x\n", res); |
| return res == SEC_E_OK ? conn_info.dwCipherStrength : 0; |
| } |
