Blob Blame History Raw
diff --git a/lib/pk11wrap/pk11pars.c b/lib/pk11wrap/pk11pars.c
--- a/lib/pk11wrap/pk11pars.c
+++ b/lib/pk11wrap/pk11pars.c
@@ -159,16 +159,20 @@ SECMOD_CreateModuleEx(const char *librar
     if (parameters) {
 	mod->libraryParams = PORT_ArenaStrdup(mod->arena,parameters);
     }
     if (config) {
 	/* XXX: Apply configuration */
     }
     mod->internal   = NSSUTIL_ArgHasFlag("flags","internal",nssc);
     mod->isFIPS     = NSSUTIL_ArgHasFlag("flags","FIPS",nssc);
+    /* if the system FIPS mode is enabled, force FIPS to be on */
+    if (SECMOD_GetSystemFIPSEnabled()) {
+	mod->isFIPS = PR_TRUE;
+    }
     mod->isCritical = NSSUTIL_ArgHasFlag("flags","critical",nssc);
     slotParams      = NSSUTIL_ArgGetParamValue("slotParams",nssc);
     mod->slotInfo   = NSSUTIL_ArgParseSlotInfo(mod->arena,slotParams,
 							&mod->slotInfoCount);
     if (slotParams) PORT_Free(slotParams);
     /* new field */
     mod->trustOrder  = NSSUTIL_ArgReadLong("trustOrder",nssc,
 					NSSUTIL_DEFAULT_TRUST_ORDER,NULL);
diff --git a/lib/pk11wrap/pk11util.c b/lib/pk11wrap/pk11util.c
--- a/lib/pk11wrap/pk11util.c
+++ b/lib/pk11wrap/pk11util.c
@@ -90,16 +90,35 @@ SECMOD_Shutdown()
 #endif
     if (secmod_PrivateModuleCount) {
     	PORT_SetError(SEC_ERROR_BUSY);
 	return SECFailure;
     }
     return SECSuccess;
 }
 
+int SECMOD_GetSystemFIPSEnabled(void) {
+#ifdef LINUX
+    FILE *f;
+    char d;
+    size_t size;
+
+    f = fopen("/proc/sys/crypto/fips_enabled", "r");
+    if (!f)
+        return 0;
+
+    size = fread(&d, 1, 1, f);
+    fclose(f);
+    if (size != 1)
+        return 0;
+    if (d == '1')
+        return 1;
+#endif
+    return 0;
+}
 
 /*
  * retrieve the internal module
  */
 SECMODModule *
 SECMOD_GetInternalModule(void)
 {
    return internalModule;
@@ -412,17 +431,17 @@ SECMOD_DeleteModule(const char *name, in
  */
 SECStatus
 SECMOD_DeleteInternalModule(const char *name) 
 {
     SECMODModuleList *mlp;
     SECMODModuleList **mlpp;
     SECStatus rv = SECFailure;
 
-    if (pendingModule) {
+    if (SECMOD_GetSystemFIPSEnabled() || pendingModule) {
 	PORT_SetError(SEC_ERROR_MODULE_STUCK);
 	return rv;
     }
     if (!moduleLock) {
     	PORT_SetError(SEC_ERROR_NOT_INITIALIZED);
 	return rv;
     }
 
@@ -883,17 +902,17 @@ SECMOD_DestroyModuleList(SECMODModuleLis
     SECMODModuleList *lp;
 
     for ( lp = list; lp != NULL; lp = SECMOD_DestroyModuleListElement(lp)) ;
 }
 
 PRBool
 SECMOD_CanDeleteInternalModule(void)
 {
-    return (PRBool) (pendingModule == NULL);
+    return (PRBool) ((pendingModule == NULL) && !SECMOD_GetSystemFIPSEnabled());
 }
 
 /*
  * check to see if the module has added new slots. PKCS 11 v2.20 allows for
  * modules to add new slots, but never remove them. Slots cannot be added 
  * between a call to C_GetSlotLlist(Flag, NULL, &count) and the subsequent
  * C_GetSlotList(flag, &data, &count) so that the array doesn't accidently
  * grow on the caller. It is permissible for the slots to increase between
diff --git a/lib/pk11wrap/secmodi.h b/lib/pk11wrap/secmodi.h
--- a/lib/pk11wrap/secmodi.h
+++ b/lib/pk11wrap/secmodi.h
@@ -108,17 +108,22 @@ SECStatus PBE_PK11ParamToAlgid(SECOidTag
 PK11SymKey *pk11_TokenKeyGenWithFlagsAndKeyType(PK11SlotInfo *slot,
 	CK_MECHANISM_TYPE type, SECItem *param, CK_KEY_TYPE keyType, 
 	int keySize, SECItem *keyId, CK_FLAGS opFlags, 
 	PK11AttrFlags attrFlags, void *wincx);
 
 CK_MECHANISM_TYPE pk11_GetPBECryptoMechanism(SECAlgorithmID *algid,
                    SECItem **param, SECItem *pwd, PRBool faulty3DES);
 
-
+/* Get the state of the system FIPS mode */
+/* NSS uses this to force FIPS mode if the system bit is on. Applications which
+ * use the SECMOD_CanDeleteInteral() to check to see if they can switch to or
+ * from FIPS mode will automatically be told that they can't swith out of FIPS
+ * mode */
+int SECMOD_GetSystemFIPSEnabled();
 
 extern void pk11sdr_Init(void);
 extern void pk11sdr_Shutdown(void);
 
 /*
  * Private to pk11wrap.
  */