|
 |
87cf9a |
diff -up cups-1.6.3/cups/http.c.tlsv12 cups-1.6.3/cups/http.c
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87cf9a |
--- cups-1.6.3/cups/http.c.tlsv12 2017-12-12 14:40:02.672393885 +0100
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87cf9a |
+++ cups-1.6.3/cups/http.c 2017-12-12 16:45:11.417535244 +0100
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87cf9a |
@@ -3726,6 +3726,8 @@ http_send(http_t *http, /* I - Con
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87cf9a |
httpSetField(http, HTTP_FIELD_CONNECTION, "Upgrade");
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87cf9a |
if (tls_options & _HTTP_TLS_ALLOW_SSL3)
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87cf9a |
httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.1,TLS/1.0,SSL/3.0");
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87cf9a |
+ else if (tls_options & _HTTP_TLS_MIN_TLS12)
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87cf9a |
+ httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2+");
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87cf9a |
else
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87cf9a |
httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.1,TLS/1.0");
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87cf9a |
}
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87cf9a |
@@ -3968,6 +3970,8 @@ http_setup_ssl(http_t *http) /* I - Con
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87cf9a |
SSL_CTX_set_options(context, SSL_OP_NO_SSLv3); /* Don't use SSLv3 */
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87cf9a |
if (!(tls_options & _HTTP_TLS_ALLOW_RC4))
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87cf9a |
SSL_CTX_set_cipher_list(context, "DEFAULT:-RC4");
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87cf9a |
+ if (tls_options & _HTTP_TLS_MIN_TLS12)
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87cf9a |
+ SSL_CTX_set_cipher_list(context, "DEFAULT:!SSLv3:!TLSv1");
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87cf9a |
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87cf9a |
bio = BIO_new(_httpBIOMethods());
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87cf9a |
BIO_ctrl(bio, BIO_C_SET_FILE_PTR, 0, (char *)http);
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87cf9a |
@@ -4453,6 +4457,8 @@ http_upgrade(http_t *http) /* I - Conne
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87cf9a |
httpSetField(http, HTTP_FIELD_CONNECTION, "upgrade");
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87cf9a |
if (tls_options & _HTTP_TLS_ALLOW_SSL3)
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87cf9a |
httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2, TLS/1.1, TLS/1.0, SSL/3.0");
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87cf9a |
+ else if (tls_options & _HTTP_TLS_MIN_TLS12)
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87cf9a |
+ httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2+");
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87cf9a |
else
|
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87cf9a |
httpSetField(http, HTTP_FIELD_UPGRADE, "TLS/1.2, TLS/1.1, TLS/1.0");
|
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87cf9a |
|
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87cf9a |
diff -up cups-1.6.3/cups/http-private.h.tlsv12 cups-1.6.3/cups/http-private.h
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87cf9a |
--- cups-1.6.3/cups/http-private.h.tlsv12 2017-12-12 14:40:02.642394135 +0100
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87cf9a |
+++ cups-1.6.3/cups/http-private.h 2017-12-12 14:40:02.689393744 +0100
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87cf9a |
@@ -143,6 +143,7 @@ extern "C" {
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87cf9a |
/* care - these should be the same values as the CUPSD_SSL_* equivalents */
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87cf9a |
#define _HTTP_TLS_ALLOW_RC4 2
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87cf9a |
#define _HTTP_TLS_ALLOW_SSL3 4
|
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|
87cf9a |
+#define _HTTP_TLS_MIN_TLS12 8
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87cf9a |
|
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87cf9a |
|
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|
87cf9a |
/*
|
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87cf9a |
diff -up cups-1.6.3/cups/usersys.c.tlsv12 cups-1.6.3/cups/usersys.c
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|
|
87cf9a |
--- cups-1.6.3/cups/usersys.c.tlsv12 2017-12-12 14:40:02.676393852 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/cups/usersys.c 2017-12-12 14:40:02.689393744 +0100
|
|
|
87cf9a |
@@ -992,7 +992,7 @@ cups_read_client_conf(
|
|
|
87cf9a |
else if (ssl_options && !_cups_strcasecmp(line, "SSLOptions") && value)
|
|
|
87cf9a |
{
|
|
|
87cf9a |
/*
|
|
|
87cf9a |
- * SSLOptions [AllowRC4] [AllowSSL3] [None]
|
|
|
87cf9a |
+ * SSLOptions [AllowRC4] [AllowSSL3] [MinTLS1.2] [None]
|
|
|
87cf9a |
*/
|
|
|
87cf9a |
|
|
|
87cf9a |
int options = 0; /* SSL/TLS options */
|
|
|
87cf9a |
@@ -1020,6 +1020,8 @@ cups_read_client_conf(
|
|
|
87cf9a |
options |= _HTTP_TLS_ALLOW_RC4;
|
|
|
87cf9a |
else if (!_cups_strcasecmp(start, "AllowSSL3"))
|
|
|
87cf9a |
options |= _HTTP_TLS_ALLOW_SSL3;
|
|
|
87cf9a |
+ else if (!_cups_strcasecmp(start, "MinTLS1.2"))
|
|
|
87cf9a |
+ options |= _HTTP_TLS_MIN_TLS12;
|
|
|
87cf9a |
else if (!_cups_strcasecmp(start, "None"))
|
|
|
87cf9a |
options = 0;
|
|
|
87cf9a |
}
|
|
|
87cf9a |
diff -up cups-1.6.3/man/client.conf.man.in.tlsv12 cups-1.6.3/man/client.conf.man.in
|
|
|
87cf9a |
--- cups-1.6.3/man/client.conf.man.in.tlsv12 2017-12-12 14:40:02.643394126 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/man/client.conf.man.in 2017-12-14 12:51:09.366872384 +0100
|
|
|
87cf9a |
@@ -53,14 +53,15 @@ Specifies the address and optionally the
|
|
|
87cf9a |
server running CUPS 1.3.12 and earlier. \fBNote: Not supported on OS X 10.7 or
|
|
|
87cf9a |
later.\fR
|
|
|
87cf9a |
.TP 5
|
|
|
87cf9a |
-SSLOptions \fR[\fIAllowRC4\fR] [\fIAllow SSL3\fR]
|
|
|
87cf9a |
+SSLOptions \fR[\fIAllowRC4\fR] [\fIAllow SSL3\fR] [\fIMinTLS1.2\fR]
|
|
|
87cf9a |
.br
|
|
|
87cf9a |
Sets SSL/TLS protocol options for encrypted connections. By default,
|
|
|
87cf9a |
CUPS only supports encryption using TLS v1.0 or higher using known
|
|
|
87cf9a |
secure cipher suites. The \fIAllowRC4\fR option enables the 128-bit
|
|
|
87cf9a |
RC4 cipher suites, which are required for some older clients that do
|
|
|
87cf9a |
not implement newer ones. The \fIAllowSSL3\fR option enables SSL v3.0,
|
|
|
87cf9a |
-which is required for some older clients that do not support TLS v1.0.
|
|
|
87cf9a |
+which is required for some older clients that do not support TLS v1.0.
|
|
|
87cf9a |
+The \fIMinTLS1.2\fR option enforces CUPS to use TLS v1.2 and higher.
|
|
|
87cf9a |
.TP 5
|
|
|
87cf9a |
User name
|
|
|
87cf9a |
.br
|
|
|
87cf9a |
diff -up cups-1.6.3/man/cupsd.conf.man.in.tlsv12 cups-1.6.3/man/cupsd.conf.man.in
|
|
|
87cf9a |
--- cups-1.6.3/man/cupsd.conf.man.in.tlsv12 2017-12-14 12:42:34.233473538 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/man/cupsd.conf.man.in 2017-12-14 12:51:09.327872724 +0100
|
|
|
87cf9a |
@@ -480,7 +480,7 @@ Listens on the specified address and por
|
|
|
87cf9a |
.TP 5
|
|
|
87cf9a |
SSLOptions None
|
|
|
87cf9a |
.TP 5
|
|
|
87cf9a |
-SSLOptions \fR[\fINoEmptyFragments\fR] [\fIAllowRC4\fR] [\fIAllow SSL3\fR]
|
|
|
87cf9a |
+SSLOptions \fR[\fINoEmptyFragments\fR] [\fIAllowRC4\fR] [\fIAllow SSL3\fR] [\fIMinTLS1.2\fR]
|
|
|
87cf9a |
.br
|
|
|
87cf9a |
Sets SSL/TLS protocol options for encrypted connections. By default,
|
|
|
87cf9a |
CUPS only supports encryption using TLS v1.0 or higher using known
|
|
|
87cf9a |
@@ -490,6 +490,7 @@ enabled. The \fIAllowRC4\fR option enabl
|
|
|
87cf9a |
suites, which are required for some older clients that do not
|
|
|
87cf9a |
implement newer ones. The \fIAllowSSL3\fR option enables SSL v3.0,
|
|
|
87cf9a |
which is required for some older clients that do not support TLS v1.0.
|
|
|
87cf9a |
+The \fIMinTLS1.2\fR option enforces CUPS to use TLS v1.2 and higher.
|
|
|
87cf9a |
.TP 5
|
|
|
87cf9a |
SSLPort
|
|
|
87cf9a |
.br
|
|
|
87cf9a |
diff -up cups-1.6.3/scheduler/client.c.tlsv12 cups-1.6.3/scheduler/client.c
|
|
|
87cf9a |
--- cups-1.6.3/scheduler/client.c.tlsv12 2017-12-12 15:18:01.683589773 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/scheduler/client.c 2017-12-12 16:44:38.721796794 +0100
|
|
|
87cf9a |
@@ -1189,7 +1189,11 @@ cupsdReadClient(cupsd_client_t *con) /*
|
|
|
87cf9a |
}
|
|
|
87cf9a |
|
|
|
87cf9a |
httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
|
|
|
87cf9a |
- httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
|
|
|
87cf9a |
+ if ((SSLOptions & CUPSD_SSL_MIN_TLS12) ||
|
|
|
87cf9a |
+ !_cups_strcasecmp(con->http.fields[HTTP_FIELD_UPGRADE], "TLS/1.2+"))
|
|
|
87cf9a |
+ httpPrintf(HTTP(con), "Upgrade: TLS/1.2+,HTTP/1.1\r\n");
|
|
|
87cf9a |
+ else
|
|
|
87cf9a |
+ httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
|
|
|
87cf9a |
httpPrintf(HTTP(con), "Content-Length: 0\r\n");
|
|
|
87cf9a |
httpPrintf(HTTP(con), "\r\n");
|
|
|
87cf9a |
|
|
|
87cf9a |
@@ -1263,7 +1268,11 @@ cupsdReadClient(cupsd_client_t *con) /*
|
|
|
87cf9a |
}
|
|
|
87cf9a |
|
|
|
87cf9a |
httpPrintf(HTTP(con), "Connection: Upgrade\r\n");
|
|
|
87cf9a |
- httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
|
|
|
87cf9a |
+ if ((SSLOptions & CUPSD_SSL_MIN_TLS12) ||
|
|
|
87cf9a |
+ !_cups_strcasecmp(con->http.fields[HTTP_FIELD_UPGRADE], "TLS/1.2+"))
|
|
|
87cf9a |
+ httpPrintf(HTTP(con), "Upgrade: TLS/1.2+,HTTP/1.1\r\n");
|
|
|
87cf9a |
+ else
|
|
|
87cf9a |
+ httpPrintf(HTTP(con), "Upgrade: TLS/1.0,HTTP/1.1\r\n");
|
|
|
87cf9a |
httpPrintf(HTTP(con), "Content-Length: 0\r\n");
|
|
|
87cf9a |
httpPrintf(HTTP(con), "\r\n");
|
|
|
87cf9a |
|
|
|
87cf9a |
diff -up cups-1.6.3/scheduler/conf.c.tlsv12 cups-1.6.3/scheduler/conf.c
|
|
|
87cf9a |
--- cups-1.6.3/scheduler/conf.c.tlsv12 2017-12-12 14:40:02.681393811 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/scheduler/conf.c 2017-12-12 14:40:02.689393744 +0100
|
|
|
87cf9a |
@@ -3383,7 +3383,7 @@ read_cupsd_conf(cups_file_t *fp) /* I -
|
|
|
87cf9a |
else if (!_cups_strcasecmp(line, "SSLOptions"))
|
|
|
87cf9a |
{
|
|
|
87cf9a |
/*
|
|
|
87cf9a |
- * SSLOptions [AllowRC4] [AllowSSL3] [NoEmptyFragments] [None]
|
|
|
87cf9a |
+ * SSLOptions [AllowRC4] [AllowSSL3] [MinTLS1.2] [NoEmptyFragments] [None]
|
|
|
87cf9a |
*/
|
|
|
87cf9a |
|
|
|
87cf9a |
int options = 0; /* SSL/TLS options */
|
|
|
87cf9a |
@@ -3420,6 +3420,8 @@ read_cupsd_conf(cups_file_t *fp) /* I -
|
|
|
87cf9a |
options |= CUPSD_SSL_ALLOW_RC4;
|
|
|
87cf9a |
else if (!_cups_strcasecmp(start, "AllowSSL3"))
|
|
|
87cf9a |
options |= CUPSD_SSL_ALLOW_SSL3;
|
|
|
87cf9a |
+ else if (!_cups_strcasecmp(start, "MinTLS1.2"))
|
|
|
87cf9a |
+ options |= CUPSD_SSL_MIN_TLS12;
|
|
|
87cf9a |
else if (!_cups_strcasecmp(start, "None"))
|
|
|
87cf9a |
options = 0;
|
|
|
87cf9a |
else
|
|
|
87cf9a |
diff -up cups-1.6.3/scheduler/conf.h.tlsv12 cups-1.6.3/scheduler/conf.h
|
|
|
87cf9a |
--- cups-1.6.3/scheduler/conf.h.tlsv12 2017-12-12 14:40:02.681393811 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/scheduler/conf.h 2017-12-12 14:40:02.690393736 +0100
|
|
|
87cf9a |
@@ -80,7 +80,7 @@ typedef enum
|
|
|
87cf9a |
#define CUPSD_SSL_NOEMPTY 1 /* Do not insert empty fragments */
|
|
|
87cf9a |
#define CUPSD_SSL_ALLOW_RC4 2 /* Allow RC4 cipher suites */
|
|
|
87cf9a |
#define CUPSD_SSL_ALLOW_SSL3 4 /* Allow SSL 3.0 */
|
|
|
87cf9a |
-
|
|
|
87cf9a |
+#define CUPSD_SSL_MIN_TLS12 8 /* Deny TLS 1.1 */
|
|
|
87cf9a |
|
|
|
87cf9a |
/*
|
|
|
87cf9a |
* ServerAlias data...
|
|
|
87cf9a |
diff -up cups-1.6.3/scheduler/tls-openssl.c.tlsv12 cups-1.6.3/scheduler/tls-openssl.c
|
|
|
87cf9a |
--- cups-1.6.3/scheduler/tls-openssl.c.tlsv12 2017-12-12 14:40:02.645394110 +0100
|
|
|
87cf9a |
+++ cups-1.6.3/scheduler/tls-openssl.c 2017-12-12 16:49:10.357623844 +0100
|
|
|
87cf9a |
@@ -111,6 +111,9 @@ cupsdStartTLS(cupsd_client_t *con) /* I
|
|
|
87cf9a |
SSL_CTX_set_options(context, SSL_OP_NO_SSLv3); /* Don't use SSLv3 */
|
|
|
87cf9a |
if (!(SSLOptions & CUPSD_SSL_ALLOW_RC4))
|
|
|
87cf9a |
SSL_CTX_set_cipher_list(context, "DEFAULT:-RC4");
|
|
|
87cf9a |
+ if ((SSLOptions & CUPSD_SSL_MIN_TLS12) ||
|
|
|
87cf9a |
+ !_cups_strcasecmp(con->http.fields[HTTP_FIELD_UPGRADE], "TLS/1.2+"))
|
|
|
87cf9a |
+ SSL_CTX_set_cipher_list(context, "DEFAULT:!SSLv3:!TLSv1");
|
|
|
87cf9a |
SSL_CTX_use_PrivateKey_file(context, ServerKey, SSL_FILETYPE_PEM);
|
|
|
87cf9a |
SSL_CTX_use_certificate_chain_file(context, ServerCertificate);
|
|
|
87cf9a |
|