Add the nss/lib/pkcs12 directory from NSS (Mozilla's Network Security Services) to third_party. Th…

nss_pkcs12/p12creat.c

+/* 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/. */
+
+#include "pkcs12.h"
+#include "secitem.h"
+#include "secport.h"
+#include "secder.h"
+#include "secoid.h"
+#include "p12local.h"
+#include "secerr.h"
+
+
+/* allocate space for a PFX structure and set up initial
+ * arena pool.  pfx structure is cleared and a pointer to
+ * the new structure is returned.
+ */
+SEC_PKCS12PFXItem *
+sec_pkcs12_new_pfx(void)
+{
+    SEC_PKCS12PFXItem   *pfx = NULL;
+    PLArenaPool     *poolp = NULL;
+
+    poolp = PORT_NewArena(SEC_ASN1_DEFAULT_ARENA_SIZE); /* XXX Different size? */
+    if(poolp == NULL)
+        goto loser;
+
+    pfx = (SEC_PKCS12PFXItem *)PORT_ArenaZAlloc(poolp, 
+        sizeof(SEC_PKCS12PFXItem));
+    if(pfx == NULL)
+        goto loser;
+    pfx->poolp = poolp;
+
+    return pfx;
+
+loser:
+    PORT_FreeArena(poolp, PR_TRUE);
+    return NULL;
+}
+
+/* allocate space for a PFX structure and set up initial
+ * arena pool.  pfx structure is cleared and a pointer to
+ * the new structure is returned.
+ */
+SEC_PKCS12AuthenticatedSafe *
+sec_pkcs12_new_asafe(PLArenaPool *poolp)
+{
+    SEC_PKCS12AuthenticatedSafe  *asafe = NULL;
+    void *mark;
+
+    mark = PORT_ArenaMark(poolp);
+    asafe = (SEC_PKCS12AuthenticatedSafe *)PORT_ArenaZAlloc(poolp, 
+        sizeof(SEC_PKCS12AuthenticatedSafe));
+    if(asafe == NULL)
+        goto loser;
+    asafe->poolp = poolp;
+    PORT_Memset(&asafe->old_baggage, 0, sizeof(SEC_PKCS7ContentInfo));
+
+    PORT_ArenaUnmark(poolp, mark);
+    return asafe;
+
+loser:
+    PORT_ArenaRelease(poolp, mark);
+    return NULL;
+}
+
+/* create a safe contents structure with a list of
+ * length 0 with the first element being NULL 
+ */
+SEC_PKCS12SafeContents *
+sec_pkcs12_create_safe_contents(PLArenaPool *poolp)
+{
+    SEC_PKCS12SafeContents *safe;
+    void *mark;
+
+    if(poolp == NULL)
+        return NULL;
+
+    /* allocate structure */
+    mark = PORT_ArenaMark(poolp);
+    safe = (SEC_PKCS12SafeContents *)PORT_ArenaZAlloc(poolp, 
+        sizeof(SEC_PKCS12SafeContents));
+    if(safe == NULL)
+    {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        PORT_ArenaRelease(poolp, mark);
+        return NULL;
+    }
+
+    /* init list */
+    safe->contents = (SEC_PKCS12SafeBag**)PORT_ArenaZAlloc(poolp, 
+                                                  sizeof(SEC_PKCS12SafeBag *));
+    if(safe->contents == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        PORT_ArenaRelease(poolp, mark);
+        return NULL;
+    }
+    safe->contents[0] = NULL;
+    safe->poolp       = poolp;
+    safe->safe_size   = 0;
+    PORT_ArenaUnmark(poolp, mark);
+    return safe;
+}
+
+/* create a new external bag which is appended onto the list
+ * of bags in baggage.  the bag is created in the same arena
+ * as baggage
+ */
+SEC_PKCS12BaggageItem *
+sec_pkcs12_create_external_bag(SEC_PKCS12Baggage *luggage)
+{
+    void *dummy, *mark;
+    SEC_PKCS12BaggageItem *bag;
+
+    if(luggage == NULL) {
+        return NULL;
+    }
+
+    mark = PORT_ArenaMark(luggage->poolp);
+
+    /* allocate space for null terminated bag list */
+    if(luggage->bags == NULL) {
+        luggage->bags=(SEC_PKCS12BaggageItem**)PORT_ArenaZAlloc(luggage->poolp, 
+                                        sizeof(SEC_PKCS12BaggageItem *));
+        if(luggage->bags == NULL) {
+            goto loser;
+        }
+        luggage->luggage_size = 0;
+    }
+
+    /* grow the list */    
+    dummy = PORT_ArenaGrow(luggage->poolp, luggage->bags,
+                        sizeof(SEC_PKCS12BaggageItem *) * (luggage->luggage_size + 1),
+                        sizeof(SEC_PKCS12BaggageItem *) * (luggage->luggage_size + 2));
+    if(dummy == NULL) {
+        goto loser;
+    }
+    luggage->bags = (SEC_PKCS12BaggageItem**)dummy;
+
+    luggage->bags[luggage->luggage_size] = 
+                (SEC_PKCS12BaggageItem *)PORT_ArenaZAlloc(luggage->poolp,
+                                                        sizeof(SEC_PKCS12BaggageItem));
+    if(luggage->bags[luggage->luggage_size] == NULL) {
+        goto loser;
+    }
+
+    /* create new bag and append it to the end */
+    bag = luggage->bags[luggage->luggage_size];
+    bag->espvks = (SEC_PKCS12ESPVKItem **)PORT_ArenaZAlloc(
+                                                luggage->poolp,
+                                                sizeof(SEC_PKCS12ESPVKItem *));
+    bag->unencSecrets = (SEC_PKCS12SafeBag **)PORT_ArenaZAlloc(
+                                                luggage->poolp,
+                                                sizeof(SEC_PKCS12SafeBag *));
+    if((bag->espvks == NULL) || (bag->unencSecrets == NULL)) {
+        goto loser;
+    }
+
+    bag->poolp = luggage->poolp;
+    luggage->luggage_size++;
+    luggage->bags[luggage->luggage_size] = NULL;
+    bag->espvks[0] = NULL;
+    bag->unencSecrets[0] = NULL;
+    bag->nEspvks = bag->nSecrets = 0;
+
+    PORT_ArenaUnmark(luggage->poolp, mark);
+    return bag;
+
+loser:
+    PORT_ArenaRelease(luggage->poolp, mark);
+    PORT_SetError(SEC_ERROR_NO_MEMORY);
+    return NULL;
+}
+
+/* creates a baggage witha NULL terminated 0 length list */
+SEC_PKCS12Baggage *
+sec_pkcs12_create_baggage(PLArenaPool *poolp)
+{
+    SEC_PKCS12Baggage *luggage;
+    void *mark;
+
+    if(poolp == NULL)
+        return NULL;
+
+    mark = PORT_ArenaMark(poolp);
+
+    /* allocate bag */
+    luggage = (SEC_PKCS12Baggage *)PORT_ArenaZAlloc(poolp, 
+        sizeof(SEC_PKCS12Baggage));
+    if(luggage == NULL)
+    {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        PORT_ArenaRelease(poolp, mark);
+        return NULL;
+    }
+
+    /* init list */
+    luggage->bags = (SEC_PKCS12BaggageItem **)PORT_ArenaZAlloc(poolp,
+                                        sizeof(SEC_PKCS12BaggageItem *));
+    if(luggage->bags == NULL) {
+        PORT_SetError(SEC_ERROR_NO_MEMORY);
+        PORT_ArenaRelease(poolp, mark);
+        return NULL;
+    }
+
+    luggage->bags[0] = NULL;
+    luggage->luggage_size = 0;
+    luggage->poolp = poolp;
+
+    PORT_ArenaUnmark(poolp, mark);
+    return luggage;
+}
+
+/* free pfx structure and associated items in the arena */
+void 
+SEC_PKCS12DestroyPFX(SEC_PKCS12PFXItem *pfx)
+{
+    if (pfx != NULL && pfx->poolp != NULL)
+    {
+        PORT_FreeArena(pfx->poolp, PR_TRUE);
+    }
+}