diff options
Diffstat (limited to 'security/nss/lib/pk11wrap/pk11load.c')
| -rw-r--r-- | security/nss/lib/pk11wrap/pk11load.c | 239 |
1 files changed, 239 insertions, 0 deletions
diff --git a/security/nss/lib/pk11wrap/pk11load.c b/security/nss/lib/pk11wrap/pk11load.c new file mode 100644 index 000000000..65d898e6e --- /dev/null +++ b/security/nss/lib/pk11wrap/pk11load.c @@ -0,0 +1,239 @@ +/* + * The contents of this file are subject to the Mozilla Public + * License Version 1.1 (the "License"); you may not use this file + * except in compliance with the License. You may obtain a copy of + * the License at http://www.mozilla.org/MPL/ + * + * Software distributed under the License is distributed on an "AS + * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or + * implied. See the License for the specific language governing + * rights and limitations under the License. + * + * The Original Code is the Netscape security libraries. + * + * The Initial Developer of the Original Code is Netscape + * Communications Corporation. Portions created by Netscape are + * Copyright (C) 1994-2000 Netscape Communications Corporation. All + * Rights Reserved. + * + * Contributor(s): + * + * Alternatively, the contents of this file may be used under the + * terms of the GNU General Public License Version 2 or later (the + * "GPL"), in which case the provisions of the GPL are applicable + * instead of those above. If you wish to allow use of your + * version of this file only under the terms of the GPL and not to + * allow others to use your version of this file under the MPL, + * indicate your decision by deleting the provisions above and + * replace them with the notice and other provisions required by + * the GPL. If you do not delete the provisions above, a recipient + * may use your version of this file under either the MPL or the + * GPL. + */ +/* + * The following handles the loading, unloading and management of + * various PCKS #11 modules + */ +#include "seccomon.h" +#include "pkcs11.h" +#include "secmod.h" +#include "prlink.h" +#include "pk11func.h" +#include "secmodi.h" +#include "prlock.h" + +extern void FC_GetFunctionList(void); +extern void NSC_GetFunctionList(void); + + +/* build the PKCS #11 2.01 lock files */ +CK_RV PR_CALLBACK secmodCreateMutext(CK_VOID_PTR_PTR pmutex) { + *pmutex = (CK_VOID_PTR) PR_NewLock(); + if ( *pmutex ) return CKR_OK; + return CKR_HOST_MEMORY; +} + +CK_RV PR_CALLBACK secmodDestroyMutext(CK_VOID_PTR mutext) { + PR_DestroyLock((PRLock *)mutext); + return CKR_OK; +} + +CK_RV PR_CALLBACK secmodLockMutext(CK_VOID_PTR mutext) { + PR_Lock((PRLock *)mutext); + return CKR_OK; +} + +CK_RV PR_CALLBACK secmodUnlockMutext(CK_VOID_PTR mutext) { + PR_Unlock((PRLock *)mutext); + return CKR_OK; +} + +static SECMODModuleID nextModuleID = 1; +static CK_C_INITIALIZE_ARGS secmodLockFunctions = { + secmodCreateMutext, secmodDestroyMutext, secmodLockMutext, + secmodUnlockMutext, CKF_LIBRARY_CANT_CREATE_OS_THREADS| + CKF_OS_LOCKING_OK + ,NULL +}; + +/* + * load a new module into our address space and initialize it. + */ +SECStatus +SECMOD_LoadModule(SECMODModule *mod) { + PRLibrary *library = NULL; + CK_C_GetFunctionList entry; + char * full_name; + CK_INFO info; + CK_ULONG slotCount = 0; + + + if (mod->loaded) return SECSuccess; + + /* intenal modules get loaded from their internal list */ + if (mod->internal) { + /* internal, statically get the C_GetFunctionList function */ + if (mod->isFIPS) { + entry = (CK_C_GetFunctionList) FC_GetFunctionList; + } else { + entry = (CK_C_GetFunctionList) NSC_GetFunctionList; + } + } else { + /* Not internal, load the DLL and look up C_GetFunctionList */ + if (mod->dllName == NULL) { + return SECFailure; + } + +#ifdef notdef + /* look up the library name */ + full_name = PR_GetLibraryName(PR_GetLibraryPath(),mod->dllName); + if (full_name == NULL) { + return SECFailure; + } +#else + full_name = PORT_Strdup(mod->dllName); +#endif + + /* load the library. If this succeeds, then we have to remember to + * unload the library if anything goes wrong from here on out... + */ + library = PR_LoadLibrary(full_name); + mod->library = (void *)library; + PORT_Free(full_name); + if (library == NULL) { + return SECFailure; + } + + /* + * now we need to get the entry point to find the function pointers + */ + entry = (CK_C_GetFunctionList) + PR_FindSymbol(library, "C_GetFunctionList"); + if (entry == NULL) { + PR_UnloadLibrary(library); + return SECFailure; + } + } + + /* + * We need to get the function list + */ + if ((*entry)((CK_FUNCTION_LIST_PTR *)&mod->functionList) != CKR_OK) + goto fail; + + mod->isThreadSafe = PR_TRUE; + /* Now we initialize the module */ + if (PK11_GETTAB(mod)->C_Initialize(&secmodLockFunctions) != CKR_OK) { + mod->isThreadSafe = PR_FALSE; + if (PK11_GETTAB(mod)->C_Initialize(NULL) != CKR_OK) goto fail; + } + + /* check the version number */ + if (PK11_GETTAB(mod)->C_GetInfo(&info) != CKR_OK) goto fail2; + if (info.cryptokiVersion.major != 2) goto fail2; + /* all 2.0 are a priori *not* thread safe */ + if (info.cryptokiVersion.minor < 1) mod->isThreadSafe = PR_FALSE; + + + /* If we don't have a common name, get it from the PKCS 11 module */ + if ((mod->commonName == NULL) || (mod->commonName[0] == 0)) { + mod->commonName = PK11_MakeString(mod->arena,NULL, + (char *)info.libraryDescription, sizeof(info.libraryDescription)); + if (mod->commonName == NULL) goto fail2; + } + + + /* initialize the Slots */ + if (PK11_GETTAB(mod)->C_GetSlotList(CK_FALSE, NULL, &slotCount) == CKR_OK) { + CK_SLOT_ID *slotIDs; + int i; + CK_RV rv; + + mod->slots = (PK11SlotInfo **)PORT_ArenaAlloc(mod->arena, + sizeof(PK11SlotInfo *) * slotCount); + if (mod->slots == NULL) goto fail2; + + slotIDs = (CK_SLOT_ID *) PORT_Alloc(sizeof(CK_SLOT_ID)*slotCount); + if (slotIDs == NULL) { + goto fail2; + } + rv = PK11_GETTAB(mod)->C_GetSlotList(CK_FALSE, slotIDs, &slotCount); + if (rv != CKR_OK) { + PORT_Free(slotIDs); + goto fail2; + } + + /* Initialize each slot */ + for (i=0; i < (int)slotCount; i++) { + mod->slots[i] = PK11_NewSlotInfo(); + PK11_InitSlot(mod,slotIDs[i],mod->slots[i]); + /* look down the slot info table */ + PK11_LoadSlotList(mod->slots[i],mod->slotInfo,mod->slotInfoCount); + } + mod->slotCount = slotCount; + mod->slotInfoCount = 0; + PORT_Free(slotIDs); + } + + + + + mod->loaded = PR_TRUE; + mod->moduleID = nextModuleID++; + return SECSuccess; +fail2: + PK11_GETTAB(mod)->C_Finalize(NULL); +fail: + mod->functionList = NULL; + if (library) PR_UnloadLibrary(library); + return SECFailure; +} + +SECStatus +SECMOD_UnloadModule(SECMODModule *mod) { + PRLibrary *library; + + if (!mod->loaded) { + return SECFailure; + } + + PK11_GETTAB(mod)->C_Finalize(NULL); + mod->moduleID = 0; + mod->loaded = PR_FALSE; + + /* do we want the semantics to allow unloading the internal library? + * if not, we should change this to SECFailure and move it above the + * mod->loaded = PR_FALSE; */ + if (mod->internal) { + return SECSuccess; + } + + library = (PRLibrary *)mod->library; + /* paranoia */ + if (library == NULL) { + return SECFailure; + } + + PR_UnloadLibrary(library); + return SECSuccess; +} |