The Tor Browser / annotate

security/nss/lib/smime/cmsreclist.c@6474c204b198 (annotated)

security/nss/lib/smime/cmsreclist.c

Wed, 31 Dec 2014 06:09:35 +0100

author
Michael Schloh von Bennewitz <michael@schloh.com>
date
Wed, 31 Dec 2014 06:09:35 +0100
changeset 0
6474c204b198
permissions
-rw-r--r--

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

michael@0 1 /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0 2 * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0 3 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0 4
michael@0 5 /*
michael@0 6 * CMS recipient list functions
michael@0 7 */
michael@0 8
michael@0 9 #include "cmslocal.h"
michael@0 10
michael@0 11 #include "cert.h"
michael@0 12 #include "key.h"
michael@0 13 #include "secasn1.h"
michael@0 14 #include "secitem.h"
michael@0 15 #include "secoid.h"
michael@0 16 #include "pk11func.h"
michael@0 17 #include "prtime.h"
michael@0 18 #include "secerr.h"
michael@0 19
michael@0 20 static int
michael@0 21 nss_cms_recipients_traverse(NSSCMSRecipientInfo **recipientinfos, NSSCMSRecipient **recipient_list)
michael@0 22 {
michael@0 23 int count = 0;
michael@0 24 int rlindex = 0;
michael@0 25 int i, j;
michael@0 26 NSSCMSRecipient *rle;
michael@0 27 NSSCMSRecipientInfo *ri;
michael@0 28 NSSCMSRecipientEncryptedKey *rek;
michael@0 29
michael@0 30 for (i = 0; recipientinfos[i] != NULL; i++) {
michael@0 31 ri = recipientinfos[i];
michael@0 32 switch (ri->recipientInfoType) {
michael@0 33 case NSSCMSRecipientInfoID_KeyTrans:
michael@0 34 if (recipient_list) {
michael@0 35 NSSCMSRecipientIdentifier *recipId =
michael@0 36 &ri->ri.keyTransRecipientInfo.recipientIdentifier;
michael@0 37
michael@0 38 if (recipId->identifierType != NSSCMSRecipientID_IssuerSN &&
michael@0 39 recipId->identifierType != NSSCMSRecipientID_SubjectKeyID) {
michael@0 40 PORT_SetError(SEC_ERROR_INVALID_ARGS);
michael@0 41 return -1;
michael@0 42 }
michael@0 43 /* alloc one & fill it out */
michael@0 44 rle = (NSSCMSRecipient *)PORT_ZAlloc(sizeof(NSSCMSRecipient));
michael@0 45 if (!rle)
michael@0 46 return -1;
michael@0 47
michael@0 48 rle->riIndex = i;
michael@0 49 rle->subIndex = -1;
michael@0 50 switch (recipId->identifierType) {
michael@0 51 case NSSCMSRecipientID_IssuerSN:
michael@0 52 rle->kind = RLIssuerSN;
michael@0 53 rle->id.issuerAndSN = recipId->id.issuerAndSN;
michael@0 54 break;
michael@0 55 case NSSCMSRecipientID_SubjectKeyID:
michael@0 56 rle->kind = RLSubjKeyID;
michael@0 57 rle->id.subjectKeyID = recipId->id.subjectKeyID;
michael@0 58 break;
michael@0 59 default: /* we never get here because of identifierType check
michael@0 60 we done before. Leaving it to kill compiler warning */
michael@0 61 break;
michael@0 62 }
michael@0 63 recipient_list[rlindex++] = rle;
michael@0 64 } else {
michael@0 65 count++;
michael@0 66 }
michael@0 67 break;
michael@0 68 case NSSCMSRecipientInfoID_KeyAgree:
michael@0 69 if (ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys == NULL)
michael@0 70 break;
michael@0 71 for (j=0; ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys[j] != NULL; j++) {
michael@0 72 if (recipient_list) {
michael@0 73 rek = ri->ri.keyAgreeRecipientInfo.recipientEncryptedKeys[j];
michael@0 74 /* alloc one & fill it out */
michael@0 75 rle = (NSSCMSRecipient *)PORT_ZAlloc(sizeof(NSSCMSRecipient));
michael@0 76 if (!rle)
michael@0 77 return -1;
michael@0 78
michael@0 79 rle->riIndex = i;
michael@0 80 rle->subIndex = j;
michael@0 81 switch (rek->recipientIdentifier.identifierType) {
michael@0 82 case NSSCMSKeyAgreeRecipientID_IssuerSN:
michael@0 83 rle->kind = RLIssuerSN;
michael@0 84 rle->id.issuerAndSN = rek->recipientIdentifier.id.issuerAndSN;
michael@0 85 break;
michael@0 86 case NSSCMSKeyAgreeRecipientID_RKeyID:
michael@0 87 rle->kind = RLSubjKeyID;
michael@0 88 rle->id.subjectKeyID = rek->recipientIdentifier.id.recipientKeyIdentifier.subjectKeyIdentifier;
michael@0 89 break;
michael@0 90 }
michael@0 91 recipient_list[rlindex++] = rle;
michael@0 92 } else {
michael@0 93 count++;
michael@0 94 }
michael@0 95 }
michael@0 96 break;
michael@0 97 case NSSCMSRecipientInfoID_KEK:
michael@0 98 /* KEK is not implemented */
michael@0 99 break;
michael@0 100 }
michael@0 101 }
michael@0 102 /* if we have a recipient list, we return on success (-1, above, on failure) */
michael@0 103 /* otherwise, we return the count. */
michael@0 104 if (recipient_list) {
michael@0 105 recipient_list[rlindex] = NULL;
michael@0 106 return 0;
michael@0 107 } else {
michael@0 108 return count;
michael@0 109 }
michael@0 110 }
michael@0 111
michael@0 112 NSSCMSRecipient **
michael@0 113 nss_cms_recipient_list_create(NSSCMSRecipientInfo **recipientinfos)
michael@0 114 {
michael@0 115 int count, rv;
michael@0 116 NSSCMSRecipient **recipient_list;
michael@0 117
michael@0 118 /* count the number of recipient identifiers */
michael@0 119 count = nss_cms_recipients_traverse(recipientinfos, NULL);
michael@0 120 if (count <= 0) {
michael@0 121 /* no recipients? */
michael@0 122 PORT_SetError(SEC_ERROR_BAD_DATA);
michael@0 123 #if 0
michael@0 124 PORT_SetErrorString("Cannot find recipient data in envelope.");
michael@0 125 #endif
michael@0 126 return NULL;
michael@0 127 }
michael@0 128
michael@0 129 /* allocate an array of pointers */
michael@0 130 recipient_list = (NSSCMSRecipient **)
michael@0 131 PORT_ZAlloc((count + 1) * sizeof(NSSCMSRecipient *));
michael@0 132 if (recipient_list == NULL)
michael@0 133 return NULL;
michael@0 134
michael@0 135 /* now fill in the recipient_list */
michael@0 136 rv = nss_cms_recipients_traverse(recipientinfos, recipient_list);
michael@0 137 if (rv < 0) {
michael@0 138 nss_cms_recipient_list_destroy(recipient_list);
michael@0 139 return NULL;
michael@0 140 }
michael@0 141 return recipient_list;
michael@0 142 }
michael@0 143
michael@0 144 void
michael@0 145 nss_cms_recipient_list_destroy(NSSCMSRecipient **recipient_list)
michael@0 146 {
michael@0 147 int i;
michael@0 148 NSSCMSRecipient *recipient;
michael@0 149
michael@0 150 for (i=0; recipient_list[i] != NULL; i++) {
michael@0 151 recipient = recipient_list[i];
michael@0 152 if (recipient->cert)
michael@0 153 CERT_DestroyCertificate(recipient->cert);
michael@0 154 if (recipient->privkey)
michael@0 155 SECKEY_DestroyPrivateKey(recipient->privkey);
michael@0 156 if (recipient->slot)
michael@0 157 PK11_FreeSlot(recipient->slot);
michael@0 158 PORT_Free(recipient);
michael@0 159 }
michael@0 160 PORT_Free(recipient_list);
michael@0 161 }
michael@0 162
michael@0 163 NSSCMSRecipientEncryptedKey *
michael@0 164 NSS_CMSRecipientEncryptedKey_Create(PLArenaPool *poolp)
michael@0 165 {
michael@0 166 return (NSSCMSRecipientEncryptedKey *)PORT_ArenaZAlloc(poolp, sizeof(NSSCMSRecipientEncryptedKey));
michael@0 167 }

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