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Don't generate certificates that expire on Feb 29th (Issue #5643)
[thirdparty/cups.git] / cups / tls-sspi.c
diff --git a/cups/tls-sspi.c b/cups/tls-sspi.c
index 962ad6d1732d7dc2846f2566298f9e5a069746bd..ccbdf8aaf0648d94b0d9019c4885f20fcd58cea0 100644 (file)
--- a/cups/tls-sspi.c
+++ b/cups/tls-sspi.c
@@ -2,15 +2,9 @@
  * TLS support for CUPS on Windows using the Security Support Provider
  * Interface (SSPI).
  *
- * Copyright 2010-2017 by Apple Inc.
+ * Copyright 2010-2018 by Apple Inc.
  *
- * These coded instructions, statements, and computer programs are the
- * property of Apple Inc. and are protected by Federal copyright
- * law.  Distribution and use rights are outlined in the file "LICENSE.txt"
- * which should have been included with this file.  If this file is
- * missing or damaged, see the license at "http://www.cups.org/".
- *
- * This file is subject to the Apple OS-Developed Software exception.
+ * Licensed under Apache License v2.0.  See the file "LICENSE" for more information.
  */
 
 /**** This file is included from tls.c ****/
@@ -192,7 +186,7 @@ httpCredentialsAreValidForName(
 
   if (cert)
   {
-    if (CertNameToStr(X509_ASN_ENCODING, &(cert->pCertInfo->Subject), CERT_SIMPLE_NAME_STR, cert_name, sizeof(cert_name)))
+    if (CertNameToStrA(X509_ASN_ENCODING, &(cert->pCertInfo->Subject), CERT_SIMPLE_NAME_STR, cert_name, sizeof(cert_name)))
     {
      /*
       * Extract common name at end...
@@ -353,7 +347,6 @@ httpCredentialsString(
     SYSTEMTIME         systime;        /* System time */
     struct tm          tm;             /* UNIX date/time */
     time_t             expiration;     /* Expiration date of cert */
-    _cups_md5_state_t  md5_state;      /* MD5 state */
     unsigned char      md5_digest[16]; /* MD5 result */
 
     FileTimeToSystemTime(&(cert->pCertInfo->NotAfter), &systime);
@@ -367,7 +360,7 @@ httpCredentialsString(
 
     expiration = mktime(&tm);
 
-    if (CertNameToStr(X509_ASN_ENCODING, &(cert->pCertInfo->Subject), CERT_SIMPLE_NAME_STR, cert_name, sizeof(cert_name)))
+    if (CertNameToStrA(X509_ASN_ENCODING, &(cert->pCertInfo->Subject), CERT_SIMPLE_NAME_STR, cert_name, sizeof(cert_name)))
     {
      /*
       * Extract common name at end...
@@ -380,9 +373,7 @@ httpCredentialsString(
     else
       strlcpy(cert_name, "unknown", sizeof(cert_name));
 
-    _cupsMD5Init(&md5_state);
-    _cupsMD5Append(&md5_state, first->data, (int)first->datalen);
-    _cupsMD5Finish(&md5_state, md5_digest);
+    cupsHashData("md5", first->data, first->datalen, md5_digest, sizeof(md5_digest));
 
     snprintf(buffer, bufsize, "%s / %s / %02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X", cert_name, httpGetDateString(expiration), md5_digest[0], md5_digest[1], md5_digest[2], md5_digest[3], md5_digest[4], md5_digest[5], md5_digest[6], md5_digest[7], md5_digest[8], md5_digest[9], md5_digest[10], md5_digest[11], md5_digest[12], md5_digest[13], md5_digest[14], md5_digest[15]);
 
@@ -476,7 +467,7 @@ httpLoadCredentials(
 
   dwSize = 0;
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
   {
     DEBUG_printf(("1httpLoadCredentials: CertStrToName failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
     goto cleanup;
@@ -490,7 +481,7 @@ httpLoadCredentials(
     goto cleanup;
   }
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
   {
     DEBUG_printf(("1httpLoadCredentials: CertStrToName failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
     goto cleanup;
@@ -599,7 +590,7 @@ httpSaveCredentials(
 
   dwSize = 0;
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
   {
     DEBUG_printf(("1httpSaveCredentials: CertStrToName failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
     goto cleanup;
@@ -613,7 +604,7 @@ httpSaveCredentials(
     goto cleanup;
   }
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
   {
     DEBUG_printf(("1httpSaveCredentials: CertStrToName failed: %s", http_sspi_strerror(error, sizeof(error), GetLastError())));
     goto cleanup;
@@ -913,7 +904,9 @@ _httpTLSRead(http_t *http,          /* I - HTTP connection */
  */
 
 void
-_httpTLSSetOptions(int options)                /* I - Options */
+_httpTLSSetOptions(int options,                /* I - Options */
+                   int min_version,    /* I - Minimum TLS version */
+                   int max_version)    /* I - Maximum TLS version */
 {
   if (!(options & _HTTP_TLS_SET_DEFAULT) || tls_options < 0)
   {
@@ -977,7 +970,7 @@ _httpTLSStart(http_t *http)         /* I - HTTP connection */
     * Server: determine hostname to use...
     */
 
-    if (http->fields[HTTP_FIELD_HOST][0])
+    if (http->fields[HTTP_FIELD_HOST])
     {
      /*
       * Use hostname for TLS upgrade...
@@ -1357,7 +1350,7 @@ http_sspi_client(http_t     *http,        /* I - Client connection */
   */
 
   dwSize = sizeof(username);
-  GetUserName(username, &dwSize);
+  GetUserNameA(username, &dwSize);
   snprintf(common_name, sizeof(common_name), "CN=%s", username);
 
   if (!http_sspi_find_credentials(http, L"ClientContainer", common_name))
@@ -1720,7 +1713,7 @@ http_sspi_find_credentials(
 
   dwSize = 0;
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
   {
     DEBUG_printf(("5http_sspi_find_credentials: CertStrToName failed: %s", http_sspi_strerror(sspi->error, sizeof(sspi->error), GetLastError())));
     ok = FALSE;
@@ -1736,7 +1729,7 @@ http_sspi_find_credentials(
     goto cleanup;
   }
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
   {
     DEBUG_printf(("5http_sspi_find_credentials: CertStrToName failed: %s", http_sspi_strerror(sspi->error, sizeof(sspi->error), GetLastError())));
     ok = FALSE;
@@ -1768,18 +1761,22 @@ http_sspi_find_credentials(
 #ifdef SP_PROT_TLS1_2_SERVER
   if (http->mode == _HTTP_MODE_SERVER)
   {
-    if (tls_options & _HTTP_TLS_DENY_TLS10)
+    if (tls_min_version > _HTTP_TLS_1_1)
+      SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_SERVER;
+    else if (tls_min_version > _HTTP_TLS_1_0)
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_SERVER | SP_PROT_TLS1_1_SERVER;
-    else if (tls_options & _HTTP_TLS_ALLOW_SSL3)
+    else if (tls_min_version == _HTTP_TLS_SSL3)
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_SERVER | SP_PROT_TLS1_1_SERVER | SP_PROT_TLS1_0_SERVER | SP_PROT_SSL3_SERVER;
     else
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_SERVER | SP_PROT_TLS1_1_SERVER | SP_PROT_TLS1_0_SERVER;
   }
   else
   {
-    if (tls_options & _HTTP_TLS_DENY_TLS10)
+    if (tls_min_version > _HTTP_TLS_1_1)
+      SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_CLIENT;
+    else if (tls_min_version > _HTTP_TLS_1_0)
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_CLIENT | SP_PROT_TLS1_1_CLIENT;
-    else if (tls_options & _HTTP_TLS_ALLOW_SSL3)
+    else if (tls_min_version == _HTTP_TLS_SSL3)
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_CLIENT | SP_PROT_TLS1_1_CLIENT | SP_PROT_TLS1_0_CLIENT | SP_PROT_SSL3_CLIENT;
     else
       SchannelCred.grbitEnabledProtocols = SP_PROT_TLS1_2_CLIENT | SP_PROT_TLS1_1_CLIENT | SP_PROT_TLS1_0_CLIENT;
@@ -1927,7 +1924,7 @@ http_sspi_make_credentials(
 
   dwSize = 0;
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, NULL, &dwSize, NULL))
   {
     DEBUG_printf(("5http_sspi_make_credentials: CertStrToName failed: %s", http_sspi_strerror(sspi->error, sizeof(sspi->error), GetLastError())));
     ok = FALSE;
@@ -1943,7 +1940,7 @@ http_sspi_make_credentials(
     goto cleanup;
   }
 
-  if (!CertStrToName(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
+  if (!CertStrToNameA(X509_ASN_ENCODING, common_name, CERT_OID_NAME_STR, NULL, p, &dwSize, NULL))
   {
     DEBUG_printf(("5http_sspi_make_credentials: CertStrToName failed: %s", http_sspi_strerror(sspi->error, sizeof(sspi->error), GetLastError())));
     ok = FALSE;
@@ -1970,6 +1967,8 @@ http_sspi_make_credentials(
 
   GetSystemTime(&et);
   et.wYear += years;
+  if (et.wMonth == 2 && et.wDay == 29)
+    et.wDay = 28;                      /* Avoid Feb 29th due to leap years */
 
   ZeroMemory(&exts, sizeof(exts));
 
@@ -2299,7 +2298,7 @@ http_sspi_strerror(char   *buffer,        /* I - Error message buffer */
                    size_t bufsize,     /* I - Size of buffer */
                    DWORD  code)                /* I - Error code */
 {
-  if (FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, 0, buffer, bufsize, NULL))
+  if (FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM, NULL, code, 0, buffer, bufsize, NULL))
   {
    /*
     * Strip trailing CR + LF...
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