Update NSS to 3.41

1 files changed, 206 insertions, 0 deletions

diff --git a/security/nss/cmd/nss-policy-check/nss-policy-check.c b/security/nss/cmd/nss-policy-check/nss-policy-check.c
new file mode 100644
index 000000000..b83003874
--- /dev/null
+++ b/security/nss/cmd/nss-policy-check/nss-policy-check.c
@@ -0,0 +1,206 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* This program can be used to check the validity of a NSS crypto policy
+ * configuration file, specified using a config= line.
+ *
+ * Exit codes:
+ *  failure: 2
+ *  warning: 1
+ *  success: 0
+ */
+
+#include <limits.h>
+#include <errno.h>
+#include <stdio.h>
+#include "utilparst.h"
+#include "nss.h"
+#include "secport.h"
+#include "secutil.h"
+#include "secmod.h"
+#include "ssl.h"
+#include "prenv.h"
+
+const char *sWarn = "WARN";
+const char *sInfo = "INFO";
+
+void
+get_tls_info(SSLProtocolVariant protocolVariant, const char *display)
+{
+    SSLVersionRange vrange_supported, vrange_enabled;
+    unsigned num_enabled = 0;
+    PRBool failed = PR_FALSE;
+
+    /* We assume SSL v2 is inactive, and therefore SSL_VersionRangeGetDefault
+     * gives complete information. */
+    if ((SSL_VersionRangeGetSupported(protocolVariant, &vrange_supported) != SECSuccess) ||
+        (SSL_VersionRangeGetDefault(protocolVariant, &vrange_enabled) != SECSuccess) ||
+        !vrange_enabled.min ||
+        !vrange_enabled.max ||
+        vrange_enabled.max < vrange_supported.min ||
+        vrange_enabled.min > vrange_supported.max) {
+        failed = PR_TRUE;
+    } else {
+        if (vrange_enabled.min < vrange_supported.min) {
+            vrange_enabled.min = vrange_supported.min;
+        }
+        if (vrange_enabled.max > vrange_supported.max) {
+            vrange_enabled.max = vrange_supported.max;
+        }
+        if (vrange_enabled.min > vrange_enabled.max) {
+            failed = PR_TRUE;
+        }
+    }
+    if (failed) {
+        num_enabled = 0;
+    } else {
+        num_enabled = vrange_enabled.max - vrange_enabled.min + 1;
+    }
+    fprintf(stderr, "NSS-POLICY-%s: NUMBER-OF-%s-VERSIONS: %u\n",
+            num_enabled ? sInfo : sWarn, display, num_enabled);
+    if (!num_enabled) {
+        PR_SetEnv("NSS_POLICY_WARN=1");
+    }
+}
+
+#ifndef PATH_MAX
+#define PATH_MAX 1024
+#endif
+
+int
+main(int argc, char **argv)
+{
+    const PRUint16 *cipherSuites = SSL_ImplementedCiphers;
+    int i;
+    SECStatus rv;
+    SECMODModule *module = NULL;
+    char path[PATH_MAX];
+    const char *filename;
+    char moduleSpec[1024 + PATH_MAX];
+    unsigned num_enabled = 0;
+    int result = 0;
+    int fullPathLen;
+
+    if (argc != 2) {
+        fprintf(stderr, "Syntax: nss-policy-check <path-to-policy-file>\n");
+        result = 2;
+        goto loser_no_shutdown;
+    }
+
+    fullPathLen = strlen(argv[1]);
+
+    if (!fullPathLen || PR_Access(argv[1], PR_ACCESS_READ_OK) != PR_SUCCESS) {
+        fprintf(stderr, "Error: cannot read file %s\n", argv[1]);
+        result = 2;
+        goto loser_no_shutdown;
+    }
+
+    if (fullPathLen >= PATH_MAX) {
+        fprintf(stderr, "Error: filename parameter is too long\n");
+        result = 2;
+        goto loser_no_shutdown;
+    }
+
+    path[0] = 0;
+    filename = argv[1] + fullPathLen - 1;
+    while ((filename > argv[1]) && (*filename != NSSUTIL_PATH_SEPARATOR[0])) {
+        filename--;
+    }
+
+    if (filename == argv[1]) {
+        PORT_Strcpy(path, ".");
+    } else {
+        filename++; /* Go past the path separator. */
+        PORT_Strncat(path, argv[1], (filename - argv[1]));
+    }
+
+    PR_SetEnv("NSS_IGNORE_SYSTEM_POLICY=1");
+    rv = NSS_NoDB_Init(NULL);
+    if (rv != SECSuccess) {
+        fprintf(stderr, "NSS_Init failed: %s\n", PORT_ErrorToString(PR_GetError()));
+        result = 2;
+        goto loser_no_shutdown;
+    }
+
+    PR_SetEnv("NSS_POLICY_LOADED=0");
+    PR_SetEnv("NSS_POLICY_FAIL=0");
+    PR_SetEnv("NSS_POLICY_WARN=0");
+
+    sprintf(moduleSpec,
+            "name=\"Policy File\" "
+            "parameters=\"configdir='sql:%s' "
+            "secmod='%s' "
+            "flags=readOnly,noCertDB,forceSecmodChoice,forceOpen\" "
+            "NSS=\"flags=internal,moduleDB,skipFirst,moduleDBOnly,critical,printPolicyFeedback\"",
+            path, filename);
+
+    module = SECMOD_LoadModule(moduleSpec, NULL, PR_TRUE);
+    if (!module || !module->loaded || atoi(PR_GetEnvSecure("NSS_POLICY_LOADED")) != 1) {
+        fprintf(stderr, "Error: failed to load policy file\n");
+        result = 2;
+        goto loser;
+    }
+
+    rv = SSL_OptionSetDefault(SSL_SECURITY, PR_TRUE);
+    if (rv != SECSuccess) {
+        fprintf(stderr, "enable SSL_SECURITY failed: %s\n", PORT_ErrorToString(PR_GetError()));
+        result = 2;
+        goto loser;
+    }
+
+    for (i = 0; i < SSL_NumImplementedCiphers; i++) {
+        PRUint16 suite = cipherSuites[i];
+        PRBool enabled;
+        SSLCipherSuiteInfo info;
+
+        rv = SSL_CipherPrefGetDefault(suite, &enabled);
+        if (rv != SECSuccess) {
+            fprintf(stderr,
+                    "SSL_CipherPrefGetDefault didn't like value 0x%04x (i = %d): %s\n",
+                    suite, i, PORT_ErrorToString(PR_GetError()));
+            continue;
+        }
+        rv = SSL_GetCipherSuiteInfo(suite, &info, (int)(sizeof info));
+        if (rv != SECSuccess) {
+            fprintf(stderr,
+                    "SSL_GetCipherSuiteInfo didn't like value 0x%04x (i = %d): %s\n",
+                    suite, i, PORT_ErrorToString(PR_GetError()));
+            continue;
+        }
+        if (enabled) {
+            ++num_enabled;
+            fprintf(stderr, "NSS-POLICY-INFO: ciphersuite %s is enabled\n", info.cipherSuiteName);
+        }
+    }
+    fprintf(stderr, "NSS-POLICY-%s: NUMBER-OF-CIPHERSUITES: %u\n", num_enabled ? sInfo : sWarn, num_enabled);
+    if (!num_enabled) {
+        PR_SetEnv("NSS_POLICY_WARN=1");
+    }
+
+    get_tls_info(ssl_variant_stream, "TLS");
+    get_tls_info(ssl_variant_datagram, "DTLS");
+
+    if (atoi(PR_GetEnvSecure("NSS_POLICY_FAIL")) != 0) {
+        result = 2;
+    } else if (atoi(PR_GetEnvSecure("NSS_POLICY_WARN")) != 0) {
+        result = 1;
+    }
+
+loser:
+    if (module) {
+        SECMOD_DestroyModule(module);
+    }
+    rv = NSS_Shutdown();
+    if (rv != SECSuccess) {
+        fprintf(stderr, "NSS_Shutdown failed: %s\n", PORT_ErrorToString(PR_GetError()));
+        result = 2;
+    }
+loser_no_shutdown:
+    if (result == 2) {
+        fprintf(stderr, "NSS-POLICY-FAIL\n");
+    } else if (result == 1) {
+        fprintf(stderr, "NSS-POLICY-WARN\n");
+    }
+    return result;
+}