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RetroZilla/security/nss/cmd/certcgi/certcgi.c
Ryan Nematz 2f2ae146c0 first commit
2015-10-20 23:03:22 -04:00

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/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* 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 the Initial Developer are Copyright (C) 1994-2000
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either the GNU General Public License Version 2 or later (the "GPL"), or
* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* Cert-O-Matic CGI */
#include "nspr.h"
#include "prtypes.h"
#include "prtime.h"
#include "prlong.h"
#include "pk11func.h"
#include "cert.h"
#include "cryptohi.h"
#include "secoid.h"
#include "secder.h"
#include "genname.h"
#include "xconst.h"
#include "secutil.h"
#include "pk11pqg.h"
#include "certxutl.h"
#include "nss.h"
/* #define TEST 1 */
/* #define FILEOUT 1 */
/* #define OFFLINE 1 */
#define START_FIELDS 100
#define PREFIX_LEN 6
#define SERIAL_FILE "../serial"
#define DB_DIRECTORY ".."
static char *progName;
typedef struct PairStr Pair;
struct PairStr {
char *name;
char *data;
};
char prefix[PREFIX_LEN];
const SEC_ASN1Template CERTIA5TypeTemplate[] = {
{ SEC_ASN1_IA5_STRING }
};
SECKEYPrivateKey *privkeys[9] = {NULL, NULL, NULL, NULL, NULL, NULL, NULL,
NULL, NULL};
#ifdef notdef
const SEC_ASN1Template CERT_GeneralNameTemplate[] = {
{ SEC_ASN1_SEQUENCE_OF, 0, SEC_AnyTemplate }
};
#endif
static void
error_out(char *error_string)
{
printf("Content-type: text/plain\n\n");
printf(error_string);
fflush(stderr);
fflush(stdout);
exit(1);
}
static void
error_allocate(void)
{
error_out("ERROR: Unable to allocate memory");
}
static char *
make_copy_string(char *read_pos,
int length,
char sentinal_value)
/* copys string from to a new string it creates and
returns a pointer to the new string */
{
int remaining = length;
char *write_pos;
char *new;
new = write_pos = (char *) PORT_Alloc (length);
if (new == NULL) {
error_allocate();
}
while (*read_pos != sentinal_value) {
if (remaining == 1) {
remaining += length;
length = length * 2;
new = PORT_Realloc(new,length);
if (new == NULL) {
error_allocate();
}
write_pos = new + length - remaining;
}
*write_pos = *read_pos;
++write_pos;
++read_pos;
remaining = remaining - 1;
}
*write_pos = '\0';
return new;
}
static SECStatus
clean_input(Pair *data)
/* converts the non-alphanumeric characters in a form post
from hex codes back to characters */
{
int length;
int hi_digit;
int low_digit;
char character;
char *begin_pos;
char *read_pos;
char *write_pos;
PRBool name = PR_TRUE;
begin_pos = data->name;
while (begin_pos != NULL) {
length = strlen(begin_pos);
read_pos = write_pos = begin_pos;
while ((read_pos - begin_pos) < length) {
if (*read_pos == '+') {
*read_pos = ' ';
}
if (*read_pos == '%') {
hi_digit = *(read_pos + 1);
low_digit = *(read_pos +2);
read_pos += 3;
if (isdigit(hi_digit)){
hi_digit = hi_digit - '0';
} else {
hi_digit = toupper(hi_digit);
if (isxdigit(hi_digit)) {
hi_digit = (hi_digit - 'A') + 10;
} else {
error_out("ERROR: Form data incorrectly formated");
}
}
if (isdigit(low_digit)){
low_digit = low_digit - '0';
} else {
low_digit = toupper(low_digit);
if ((low_digit >='A') && (low_digit <= 'F')) {
low_digit = (low_digit - 'A') + 10;
} else {
error_out("ERROR: Form data incorrectly formated");
}
}
character = (hi_digit << 4) | low_digit;
if (character != 10) {
*write_pos = character;
++write_pos;
}
} else {
*write_pos = *read_pos;
++write_pos;
++read_pos;
}
}
*write_pos = '\0';
if (name == PR_TRUE) {
begin_pos = data->data;
name = PR_FALSE;
} else {
data++;
begin_pos = data->name;
name = PR_TRUE;
}
}
return SECSuccess;
}
static char *
make_name(char *new_data)
/* gets the next field name in the input string and returns
a pointer to a string containing a copy of it */
{
int length = 20;
char *name;
name = make_copy_string(new_data, length, '=');
return name;
}
static char *
make_data(char *new_data)
/* gets the data for the next field in the input string
and returns a pointer to a string containing it */
{
int length = 100;
char *data;
char *read_pos;
read_pos = new_data;
while (*(read_pos - 1) != '=') {
++read_pos;
}
data = make_copy_string(read_pos, length, '&');
return data;
}
static Pair
make_pair(char *new_data)
/* makes a pair name/data pair from the input string */
{
Pair temp;
temp.name = make_name(new_data);
temp.data = make_data(new_data);
return temp;
}
static Pair *
make_datastruct(char *data, int len)
/* parses the input from the form post into a data
structure of field name/data pairs */
{
Pair *datastruct;
Pair *current;
char *curr_pos;
int fields = START_FIELDS;
int remaining = START_FIELDS;
curr_pos = data;
datastruct = current = (Pair *) PORT_Alloc(fields * sizeof(Pair));
if (datastruct == NULL) {
error_allocate();
}
while (curr_pos - data < len) {
if (remaining == 1) {
remaining += fields;
fields = fields * 2;
datastruct = (Pair *) PORT_Realloc
(datastruct, fields * sizeof(Pair));
if (datastruct == NULL) {
error_allocate();
}
current = datastruct + (fields - remaining);
}
*current = make_pair(curr_pos);
while (*curr_pos != '&') {
++curr_pos;
}
++curr_pos;
++current;
remaining = remaining - 1;
}
current->name = NULL;
return datastruct;
}
static char *
return_name(Pair *data_struct,
int n)
/* returns a pointer to the name of the nth
(starting from 0) item in the data structure */
{
char *name;
if ((data_struct + n)->name != NULL) {
name = (data_struct + n)->name;
return name;
} else {
return NULL;
}
}
static char *
return_data(Pair *data_struct,int n)
/* returns a pointer to the data of the nth (starting from 0)
itme in the data structure */
{
char *data;
data = (data_struct + n)->data;
return data;
}
static char *
add_prefix(char *field_name)
{
extern char prefix[PREFIX_LEN];
int i = 0;
char *rv;
char *write;
rv = write = PORT_Alloc(PORT_Strlen(prefix) + PORT_Strlen(field_name) + 1);
for(i = 0; i < PORT_Strlen(prefix); i++) {
*write = prefix[i];
write++;
}
*write = '\0';
rv = PORT_Strcat(rv,field_name);
return rv;
}
static char *
find_field(Pair *data,
char *field_name,
PRBool add_pre)
/* returns a pointer to the data of the first pair
thats name matches the string it is passed */
{
int i = 0;
char *retrieved;
int found = 0;
if (add_pre) {
field_name = add_prefix(field_name);
}
while(return_name(data, i) != NULL) {
if (PORT_Strcmp(return_name(data, i), field_name) == 0) {
retrieved = return_data(data, i);
found = 1;
break;
}
i++;
}
if (!found) {
retrieved = NULL;
}
return retrieved;
}
static PRBool
find_field_bool(Pair *data,
char *fieldname,
PRBool add_pre)
{
char *rv;
rv = find_field(data, fieldname, add_pre);
if ((rv != NULL) && (PORT_Strcmp(rv, "true")) == 0) {
return PR_TRUE;
} else {
return PR_FALSE;
}
}
static char *
update_data_by_name(Pair *data,
char *field_name,
char *new_data)
/* replaces the data in the data structure associated with
a name with new data, returns null if not found */
{
int i = 0;
int found = 0;
int length = 100;
char *new;
while (return_name(data, i) != NULL) {
if (PORT_Strcmp(return_name(data, i), field_name) == 0) {
new = make_copy_string( new_data, length, '\0');
PORT_Free(return_data(data, i));
found = 1;
(*(data + i)).data = new;
break;
}
i++;
}
if (!found) {
new = NULL;
}
return new;
}
static char *
update_data_by_index(Pair *data,
int n,
char *new_data)
/* replaces the data of a particular index in the data structure */
{
int length = 100;
char *new;
new = make_copy_string(new_data, length, '\0');
PORT_Free(return_data(data, n));
(*(data + n)).data = new;
return new;
}
static Pair *
add_field(Pair *data,
char* field_name,
char* field_data)
/* adds a new name/data pair to the data structure */
{
int i = 0;
int j;
int name_length = 100;
int data_length = 100;
while(return_name(data, i) != NULL) {
i++;
}
j = START_FIELDS;
while ( j < (i + 1) ) {
j = j * 2;
}
if (j == (i + 1)) {
data = (Pair *) PORT_Realloc(data, (j * 2) * sizeof(Pair));
if (data == NULL) {
error_allocate();
}
}
(*(data + i)).name = make_copy_string(field_name, name_length, '\0');
(*(data + i)).data = make_copy_string(field_data, data_length, '\0');
(data + i + 1)->name = NULL;
return data;
}
static CERTCertificateRequest *
makeCertReq(Pair *form_data,
int which_priv_key)
/* makes and encodes a certrequest */
{
PK11SlotInfo *slot;
CERTCertificateRequest *certReq = NULL;
CERTSubjectPublicKeyInfo *spki;
SECKEYPrivateKey *privkey = NULL;
SECKEYPublicKey *pubkey = NULL;
CERTName *name;
char *key;
extern SECKEYPrivateKey *privkeys[9];
int keySizeInBits;
char *challenge = "foo";
SECStatus rv = SECSuccess;
PQGParams *pqgParams = NULL;
PQGVerify *pqgVfy = NULL;
name = CERT_AsciiToName(find_field(form_data, "subject", PR_TRUE));
if (name == NULL) {
error_out("ERROR: Unable to create Subject Name");
}
key = find_field(form_data, "key", PR_TRUE);
if (key == NULL) {
switch (*find_field(form_data, "keysize", PR_TRUE)) {
case '0':
keySizeInBits = 2048;
break;
case '1':
keySizeInBits = 1024;
break;
case '2':
keySizeInBits = 512;
break;
default:
error_out("ERROR: Unsupported Key length selected");
}
if (find_field_bool(form_data, "keyType-dsa", PR_TRUE)) {
rv = PK11_PQG_ParamGen(keySizeInBits, &pqgParams, &pqgVfy);
if (rv != SECSuccess) {
error_out("ERROR: Unable to generate PQG parameters");
}
slot = PK11_GetBestSlot(CKM_DSA_KEY_PAIR_GEN, NULL);
privkey = PK11_GenerateKeyPair(slot, CKM_DSA_KEY_PAIR_GEN,
pqgParams,&pubkey, PR_FALSE,
PR_TRUE, NULL);
} else {
privkey = SECKEY_CreateRSAPrivateKey(keySizeInBits, &pubkey, NULL);
}
privkeys[which_priv_key] = privkey;
spki = SECKEY_CreateSubjectPublicKeyInfo(pubkey);
} else {
spki = SECKEY_ConvertAndDecodePublicKeyAndChallenge(key, challenge,
NULL);
if (spki == NULL) {
error_out("ERROR: Unable to decode Public Key and Challenge String");
}
}
certReq = CERT_CreateCertificateRequest(name, spki, NULL);
if (certReq == NULL) {
error_out("ERROR: Unable to create Certificate Request");
}
if (pubkey != NULL) {
SECKEY_DestroyPublicKey(pubkey);
}
if (spki != NULL) {
SECKEY_DestroySubjectPublicKeyInfo(spki);
}
if (pqgParams != NULL) {
PK11_PQG_DestroyParams(pqgParams);
}
if (pqgVfy != NULL) {
PK11_PQG_DestroyVerify(pqgVfy);
}
return certReq;
}
static CERTCertificate *
MakeV1Cert(CERTCertDBHandle *handle,
CERTCertificateRequest *req,
char *issuerNameStr,
PRBool selfsign,
int serialNumber,
int warpmonths,
Pair *data)
{
CERTCertificate *issuerCert = NULL;
CERTValidity *validity;
CERTCertificate *cert = NULL;
PRExplodedTime printableTime;
PRTime now,
after;
SECStatus rv;
if ( !selfsign ) {
issuerCert = CERT_FindCertByNameString(handle, issuerNameStr);
if (!issuerCert) {
error_out("ERROR: Could not find issuer's certificate");
return NULL;
}
}
if (find_field_bool(data, "manValidity", PR_TRUE)) {
rv = DER_AsciiToTime(&now, find_field(data, "notBefore", PR_TRUE));
} else {
now = PR_Now();
}
PR_ExplodeTime (now, PR_GMTParameters, &printableTime);
if ( warpmonths ) {
printableTime.tm_month += warpmonths;
now = PR_ImplodeTime (&printableTime);
PR_ExplodeTime (now, PR_GMTParameters, &printableTime);
}
if (find_field_bool(data, "manValidity", PR_TRUE)) {
rv = DER_AsciiToTime(&after, find_field(data, "notAfter", PR_TRUE));
PR_ExplodeTime (after, PR_GMTParameters, &printableTime);
} else {
printableTime.tm_month += 3;
after = PR_ImplodeTime (&printableTime);
}
/* note that the time is now in micro-second unit */
validity = CERT_CreateValidity (now, after);
if ( selfsign ) {
cert = CERT_CreateCertificate
(serialNumber,&(req->subject), validity, req);
} else {
cert = CERT_CreateCertificate
(serialNumber,&(issuerCert->subject), validity, req);
}
CERT_DestroyValidity(validity);
if ( issuerCert ) {
CERT_DestroyCertificate (issuerCert);
}
return(cert);
}
static int
get_serial_number(Pair *data)
{
int serial = 0;
int error;
char *filename = SERIAL_FILE;
char *SN;
FILE *serialFile;
if (find_field_bool(data, "serial-auto", PR_TRUE)) {
serialFile = fopen(filename, "r");
if (serialFile != NULL) {
fread(&serial, sizeof(int), 1, serialFile);
if (ferror(serialFile) != 0) {
error_out("Error: Unable to read serial number file");
}
if (serial == 4294967295) {
serial = 21;
}
fclose(serialFile);
++serial;
serialFile = fopen(filename,"w");
if (serialFile == NULL) {
error_out("ERROR: Unable to open serial number file for writing");
}
fwrite(&serial, sizeof(int), 1, serialFile);
if (ferror(serialFile) != 0) {
error_out("Error: Unable to write to serial number file");
}
} else {
fclose(serialFile);
serialFile = fopen(filename,"w");
if (serialFile == NULL) {
error_out("ERROR: Unable to open serial number file");
}
serial = 21;
fwrite(&serial, sizeof(int), 1, serialFile);
if (ferror(serialFile) != 0) {
error_out("Error: Unable to write to serial number file");
}
error = ferror(serialFile);
if (error != 0) {
error_out("ERROR: Unable to write to serial file");
}
}
fclose(serialFile);
} else {
SN = find_field(data, "serial_value", PR_TRUE);
while (*SN != '\0') {
serial = serial * 16;
if ((*SN >= 'A') && (*SN <='F')) {
serial += *SN - 'A' + 10;
} else {
if ((*SN >= 'a') && (*SN <='f')) {
serial += *SN - 'a' + 10;
} else {
serial += *SN - '0';
}
}
++SN;
}
}
return serial;
}
typedef SECStatus (* EXTEN_VALUE_ENCODER)
(PRArenaPool *extHandle, void *value, SECItem *encodedValue);
static SECStatus
EncodeAndAddExtensionValue(
PRArenaPool *arena,
void *extHandle,
void *value,
PRBool criticality,
int extenType,
EXTEN_VALUE_ENCODER EncodeValueFn)
{
SECItem encodedValue;
SECStatus rv;
encodedValue.data = NULL;
encodedValue.len = 0;
rv = (*EncodeValueFn)(arena, value, &encodedValue);
if (rv != SECSuccess) {
error_out("ERROR: Unable to encode extension value");
}
rv = CERT_AddExtension
(extHandle, extenType, &encodedValue, criticality, PR_TRUE);
return (rv);
}
static SECStatus
AddKeyUsage (void *extHandle,
Pair *data)
{
SECItem bitStringValue;
unsigned char keyUsage = 0x0;
if (find_field_bool(data,"keyUsage-digitalSignature", PR_TRUE)){
keyUsage |= (0x80 >> 0);
}
if (find_field_bool(data,"keyUsage-nonRepudiation", PR_TRUE)){
keyUsage |= (0x80 >> 1);
}
if (find_field_bool(data,"keyUsage-keyEncipherment", PR_TRUE)){
keyUsage |= (0x80 >> 2);
}
if (find_field_bool(data,"keyUsage-dataEncipherment", PR_TRUE)){
keyUsage |= (0x80 >> 3);
}
if (find_field_bool(data,"keyUsage-keyAgreement", PR_TRUE)){
keyUsage |= (0x80 >> 4);
}
if (find_field_bool(data,"keyUsage-keyCertSign", PR_TRUE)) {
keyUsage |= (0x80 >> 5);
}
if (find_field_bool(data,"keyUsage-cRLSign", PR_TRUE)) {
keyUsage |= (0x80 >> 6);
}
bitStringValue.data = &keyUsage;
bitStringValue.len = 1;
return (CERT_EncodeAndAddBitStrExtension
(extHandle, SEC_OID_X509_KEY_USAGE, &bitStringValue,
(find_field_bool(data, "keyUsage-crit", PR_TRUE))));
}
static CERTOidSequence *
CreateOidSequence(void)
{
CERTOidSequence *rv = (CERTOidSequence *)NULL;
PRArenaPool *arena = (PRArenaPool *)NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if( (PRArenaPool *)NULL == arena ) {
goto loser;
}
rv = (CERTOidSequence *)PORT_ArenaZAlloc(arena, sizeof(CERTOidSequence));
if( (CERTOidSequence *)NULL == rv ) {
goto loser;
}
rv->oids = (SECItem **)PORT_ArenaZAlloc(arena, sizeof(SECItem *));
if( (SECItem **)NULL == rv->oids ) {
goto loser;
}
rv->arena = arena;
return rv;
loser:
if( (PRArenaPool *)NULL != arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return (CERTOidSequence *)NULL;
}
static SECStatus
AddOidToSequence(CERTOidSequence *os, SECOidTag oidTag)
{
SECItem **oids;
PRUint32 count = 0;
SECOidData *od;
od = SECOID_FindOIDByTag(oidTag);
if( (SECOidData *)NULL == od ) {
return SECFailure;
}
for( oids = os->oids; (SECItem *)NULL != *oids; oids++ ) {
count++;
}
/* ArenaZRealloc */
{
PRUint32 i;
oids = (SECItem **)PORT_ArenaZAlloc(os->arena, sizeof(SECItem *) * (count+2));
if( (SECItem **)NULL == oids ) {
return SECFailure;
}
for( i = 0; i < count; i++ ) {
oids[i] = os->oids[i];
}
/* ArenaZFree(os->oids); */
}
os->oids = oids;
os->oids[count] = &od->oid;
return SECSuccess;
}
static SECItem *
EncodeOidSequence(CERTOidSequence *os)
{
SECItem *rv;
extern const SEC_ASN1Template CERT_OidSeqTemplate[];
rv = (SECItem *)PORT_ArenaZAlloc(os->arena, sizeof(SECItem));
if( (SECItem *)NULL == rv ) {
goto loser;
}
if( !SEC_ASN1EncodeItem(os->arena, rv, os, CERT_OidSeqTemplate) ) {
goto loser;
}
return rv;
loser:
return (SECItem *)NULL;
}
static SECStatus
AddExtKeyUsage(void *extHandle, Pair *data)
{
SECStatus rv;
CERTOidSequence *os;
SECItem *value;
PRBool crit;
os = CreateOidSequence();
if( (CERTOidSequence *)NULL == os ) {
return SECFailure;
}
if( find_field_bool(data, "extKeyUsage-serverAuth", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_SERVER_AUTH);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-clientAuth", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_CLIENT_AUTH);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-codeSign", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_CODE_SIGN);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-emailProtect", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_EMAIL_PROTECT);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-timeStamp", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_TIME_STAMP);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-ocspResponder", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_OCSP_RESPONDER);
if( SECSuccess != rv ) goto loser;
}
if( find_field_bool(data, "extKeyUsage-NS-govtApproved", PR_TRUE) ) {
rv = AddOidToSequence(os, SEC_OID_NS_KEY_USAGE_GOVT_APPROVED);
if( SECSuccess != rv ) goto loser;
}
value = EncodeOidSequence(os);
crit = find_field_bool(data, "extKeyUsage-crit", PR_TRUE);
rv = CERT_AddExtension(extHandle, SEC_OID_X509_EXT_KEY_USAGE, value,
crit, PR_TRUE);
/*FALLTHROUGH*/
loser:
CERT_DestroyOidSequence(os);
return rv;
}
static SECStatus
AddSubKeyID(void *extHandle,
Pair *data,
CERTCertificate *subjectCert)
{
SECItem encodedValue;
SECStatus rv;
char *read;
char *write;
char *first;
char character;
int high_digit = 0,
low_digit = 0;
int len;
PRBool odd = PR_FALSE;
encodedValue.data = NULL;
encodedValue.len = 0;
first = read = write = find_field(data,"subjectKeyIdentifier-text",
PR_TRUE);
len = PORT_Strlen(first);
odd = ((len % 2) != 0 ) ? PR_TRUE : PR_FALSE;
if (find_field_bool(data, "subjectKeyIdentifier-radio-hex", PR_TRUE)) {
if (odd) {
error_out("ERROR: Improperly formated subject key identifier, hex values must be expressed as an octet string");
}
while (*read != '\0') {
if (!isxdigit(*read)) {
error_out("ERROR: Improperly formated subject key identifier");
}
*read = toupper(*read);
if ((*read >= 'A') && (*read <= 'F')) {
high_digit = *read - 'A' + 10;
} else {
high_digit = *read - '0';
}
++read;
if (!isxdigit(*read)) {
error_out("ERROR: Improperly formated subject key identifier");
}
*read = toupper(*read);
if ((*read >= 'A') && (*read <= 'F')) {
low_digit = *(read) - 'A' + 10;
} else {
low_digit = *(read) - '0';
}
character = (high_digit << 4) | low_digit;
*write = character;
++write;
++read;
}
*write = '\0';
len = write - first;
}
subjectCert->subjectKeyID.data = (unsigned char *) find_field
(data,"subjectKeyIdentifier-text", PR_TRUE);
subjectCert->subjectKeyID.len = len;
rv = CERT_EncodeSubjectKeyID
(NULL, &subjectCert->subjectKeyID, &encodedValue);
if (rv) {
return (rv);
}
return (CERT_AddExtension(extHandle, SEC_OID_X509_SUBJECT_KEY_ID,
&encodedValue, PR_FALSE, PR_TRUE));
}
static SECStatus
AddAuthKeyID (void *extHandle,
Pair *data,
char *issuerNameStr,
CERTCertDBHandle *handle)
{
CERTAuthKeyID *authKeyID = NULL;
PRArenaPool *arena = NULL;
SECStatus rv = SECSuccess;
CERTCertificate *issuerCert = NULL;
CERTGeneralName *genNames;
CERTName *directoryName = NULL;
issuerCert = CERT_FindCertByNameString(handle, issuerNameStr);
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( !arena ) {
error_allocate();
}
authKeyID = PORT_ArenaZAlloc (arena, sizeof (CERTAuthKeyID));
if (authKeyID == NULL) {
error_allocate();
}
if (find_field_bool(data, "authorityKeyIdentifier-radio-keyIdentifier",
PR_TRUE)) {
authKeyID->keyID.data = PORT_ArenaAlloc (arena, PORT_Strlen
((char *)issuerCert->subjectKeyID.data));
if (authKeyID->keyID.data == NULL) {
error_allocate();
}
PORT_Memcpy (authKeyID->keyID.data, issuerCert->subjectKeyID.data,
authKeyID->keyID.len =
PORT_Strlen((char *)issuerCert->subjectKeyID.data));
} else {
PORT_Assert (arena);
genNames = (CERTGeneralName *) PORT_ArenaZAlloc (arena, (sizeof(CERTGeneralName)));
if (genNames == NULL){
error_allocate();
}
genNames->l.next = genNames->l.prev = &(genNames->l);
genNames->type = certDirectoryName;
directoryName = CERT_AsciiToName(issuerCert->subjectName);
if (!directoryName) {
error_out("ERROR: Unable to create Directory Name");
}
rv = CERT_CopyName (arena, &genNames->name.directoryName,
directoryName);
CERT_DestroyName (directoryName);
if (rv != SECSuccess) {
error_out("ERROR: Unable to copy Directory Name");
}
authKeyID->authCertIssuer = genNames;
if (authKeyID->authCertIssuer == NULL && SECFailure ==
PORT_GetError ()) {
error_out("ERROR: Unable to get Issuer General Name for Authority Key ID Extension");
}
authKeyID->authCertSerialNumber = issuerCert->serialNumber;
}
rv = EncodeAndAddExtensionValue(arena, extHandle, authKeyID, PR_FALSE,
SEC_OID_X509_AUTH_KEY_ID,
(EXTEN_VALUE_ENCODER)
CERT_EncodeAuthKeyID);
if (arena) {
PORT_FreeArena (arena, PR_FALSE);
}
return (rv);
}
static SECStatus
AddPrivKeyUsagePeriod(void *extHandle,
Pair *data,
CERTCertificate *cert)
{
char *notBeforeStr;
char *notAfterStr;
PRArenaPool *arena = NULL;
SECStatus rv = SECSuccess;
CERTPrivKeyUsagePeriod *pkup;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if ( !arena ) {
error_allocate();
}
pkup = PORT_ArenaZNew (arena, CERTPrivKeyUsagePeriod);
if (pkup == NULL) {
error_allocate();
}
notBeforeStr = (char *) PORT_Alloc(16 );
notAfterStr = (char *) PORT_Alloc(16 );
*notBeforeStr = '\0';
*notAfterStr = '\0';
pkup->arena = arena;
pkup->notBefore.len = 0;
pkup->notBefore.data = NULL;
pkup->notAfter.len = 0;
pkup->notAfter.data = NULL;
if (find_field_bool(data, "privKeyUsagePeriod-radio-notBefore", PR_TRUE) ||
find_field_bool(data, "privKeyUsagePeriod-radio-both", PR_TRUE)) {
pkup->notBefore.len = 15;
pkup->notBefore.data = (unsigned char *)notBeforeStr;
if (find_field_bool(data, "privKeyUsagePeriod-notBefore-radio-manual",
PR_TRUE)) {
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-year",
PR_TRUE));
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-month",
PR_TRUE));
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-day",
PR_TRUE));
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-hour",
PR_TRUE));
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-minute",
PR_TRUE));
PORT_Strcat(notBeforeStr,find_field(data,
"privKeyUsagePeriod-notBefore-second",
PR_TRUE));
if ((*(notBeforeStr + 14) != '\0') ||
(!isdigit(*(notBeforeStr + 13))) ||
(*(notBeforeStr + 12) >= '5' && *(notBeforeStr + 12) <= '0') ||
(!isdigit(*(notBeforeStr + 11))) ||
(*(notBeforeStr + 10) >= '5' && *(notBeforeStr + 10) <= '0') ||
(!isdigit(*(notBeforeStr + 9))) ||
(*(notBeforeStr + 8) >= '2' && *(notBeforeStr + 8) <= '0') ||
(!isdigit(*(notBeforeStr + 7))) ||
(*(notBeforeStr + 6) >= '3' && *(notBeforeStr + 6) <= '0') ||
(!isdigit(*(notBeforeStr + 5))) ||
(*(notBeforeStr + 4) >= '1' && *(notBeforeStr + 4) <= '0') ||
(!isdigit(*(notBeforeStr + 3))) ||
(!isdigit(*(notBeforeStr + 2))) ||
(!isdigit(*(notBeforeStr + 1))) ||
(!isdigit(*(notBeforeStr + 0))) ||
(*(notBeforeStr + 8) == '2' && *(notBeforeStr + 9) >= '4') ||
(*(notBeforeStr + 6) == '3' && *(notBeforeStr + 7) >= '1') ||
(*(notBeforeStr + 4) == '1' && *(notBeforeStr + 5) >= '2')) {
error_out("ERROR: Improperly formated private key usage period");
}
*(notBeforeStr + 14) = 'Z';
*(notBeforeStr + 15) = '\0';
} else {
if ((*(cert->validity.notBefore.data) > '5') ||
((*(cert->validity.notBefore.data) == '5') &&
(*(cert->validity.notBefore.data + 1) != '0'))) {
PORT_Strcat(notBeforeStr, "19");
} else {
PORT_Strcat(notBeforeStr, "20");
}
PORT_Strcat(notBeforeStr, (char *)cert->validity.notBefore.data);
}
}
if (find_field_bool(data, "privKeyUsagePeriod-radio-notAfter", PR_TRUE) ||
find_field_bool(data, "privKeyUsagePeriod-radio-both", PR_TRUE)) {
pkup->notAfter.len = 15;
pkup->notAfter.data = (unsigned char *)notAfterStr;
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-year",
PR_TRUE));
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-month",
PR_TRUE));
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-day",
PR_TRUE));
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-hour",
PR_TRUE));
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-minute",
PR_TRUE));
PORT_Strcat(notAfterStr,find_field(data,"privKeyUsagePeriod-notAfter-second",
PR_TRUE));
if ((*(notAfterStr + 14) != '\0') ||
(!isdigit(*(notAfterStr + 13))) ||
(*(notAfterStr + 12) >= '5' && *(notAfterStr + 12) <= '0') ||
(!isdigit(*(notAfterStr + 11))) ||
(*(notAfterStr + 10) >= '5' && *(notAfterStr + 10) <= '0') ||
(!isdigit(*(notAfterStr + 9))) ||
(*(notAfterStr + 8) >= '2' && *(notAfterStr + 8) <= '0') ||
(!isdigit(*(notAfterStr + 7))) ||
(*(notAfterStr + 6) >= '3' && *(notAfterStr + 6) <= '0') ||
(!isdigit(*(notAfterStr + 5))) ||
(*(notAfterStr + 4) >= '1' && *(notAfterStr + 4) <= '0') ||
(!isdigit(*(notAfterStr + 3))) ||
(!isdigit(*(notAfterStr + 2))) ||
(!isdigit(*(notAfterStr + 1))) ||
(!isdigit(*(notAfterStr + 0))) ||
(*(notAfterStr + 8) == '2' && *(notAfterStr + 9) >= '4') ||
(*(notAfterStr + 6) == '3' && *(notAfterStr + 7) >= '1') ||
(*(notAfterStr + 4) == '1' && *(notAfterStr + 5) >= '2')) {
error_out("ERROR: Improperly formated private key usage period");
}
*(notAfterStr + 14) = 'Z';
*(notAfterStr + 15) = '\0';
}
PORT_Assert (arena);
rv = EncodeAndAddExtensionValue(arena, extHandle, pkup,
find_field_bool(data,
"privKeyUsagePeriod-crit",
PR_TRUE),
SEC_OID_X509_PRIVATE_KEY_USAGE_PERIOD,
(EXTEN_VALUE_ENCODER)
CERT_EncodePrivateKeyUsagePeriod);
if (arena) {
PORT_FreeArena (arena, PR_FALSE);
}
if (notBeforeStr != NULL) {
PORT_Free(notBeforeStr);
}
if (notAfterStr != NULL) {
PORT_Free(notAfterStr);
}
return (rv);
}
static SECStatus
AddBasicConstraint(void *extHandle,
Pair *data)
{
CERTBasicConstraints basicConstraint;
SECItem encodedValue;
SECStatus rv;
encodedValue.data = NULL;
encodedValue.len = 0;
basicConstraint.pathLenConstraint = CERT_UNLIMITED_PATH_CONSTRAINT;
basicConstraint.isCA = (find_field_bool(data,"basicConstraints-cA-radio-CA",
PR_TRUE));
if (find_field_bool(data,"basicConstraints-pathLengthConstraint", PR_TRUE)){
basicConstraint.pathLenConstraint = atoi
(find_field(data,"basicConstraints-pathLengthConstraint-text",
PR_TRUE));
}
rv = CERT_EncodeBasicConstraintValue (NULL, &basicConstraint,
&encodedValue);
if (rv)
return (rv);
rv = CERT_AddExtension(extHandle, SEC_OID_X509_BASIC_CONSTRAINTS,
&encodedValue,
(find_field_bool(data,"basicConstraints-crit",
PR_TRUE)), PR_TRUE);
PORT_Free (encodedValue.data);
return (rv);
}
static SECStatus
AddNscpCertType (void *extHandle,
Pair *data)
{
SECItem bitStringValue;
unsigned char CertType = 0x0;
if (find_field_bool(data,"netscape-cert-type-ssl-client", PR_TRUE)){
CertType |= (0x80 >> 0);
}
if (find_field_bool(data,"netscape-cert-type-ssl-server", PR_TRUE)){
CertType |= (0x80 >> 1);
}
if (find_field_bool(data,"netscape-cert-type-smime", PR_TRUE)){
CertType |= (0x80 >> 2);
}
if (find_field_bool(data,"netscape-cert-type-object-signing", PR_TRUE)){
CertType |= (0x80 >> 3);
}
if (find_field_bool(data,"netscape-cert-type-reserved", PR_TRUE)){
CertType |= (0x80 >> 4);
}
if (find_field_bool(data,"netscape-cert-type-ssl-ca", PR_TRUE)) {
CertType |= (0x80 >> 5);
}
if (find_field_bool(data,"netscape-cert-type-smime-ca", PR_TRUE)) {
CertType |= (0x80 >> 6);
}
if (find_field_bool(data,"netscape-cert-type-object-signing-ca", PR_TRUE)) {
CertType |= (0x80 >> 7);
}
bitStringValue.data = &CertType;
bitStringValue.len = 1;
return (CERT_EncodeAndAddBitStrExtension
(extHandle, SEC_OID_NS_CERT_EXT_CERT_TYPE, &bitStringValue,
(find_field_bool(data, "netscape-cert-type-crit", PR_TRUE))));
}
static SECStatus
add_IA5StringExtension(void *extHandle,
char *string,
PRBool crit,
int idtag)
{
SECItem encodedValue;
SECStatus rv;
encodedValue.data = NULL;
encodedValue.len = 0;
rv = CERT_EncodeIA5TypeExtension(NULL, string, &encodedValue);
if (rv) {
return (rv);
}
return (CERT_AddExtension(extHandle, idtag, &encodedValue, crit, PR_TRUE));
}
static SECItem *
string_to_oid(char *string)
{
int i;
int length = 20;
int remaining;
int first_value;
int second_value;
int value;
int oidLength;
unsigned char *oidString;
unsigned char *write;
unsigned char *read;
unsigned char *temp;
SECItem *oid;
remaining = length;
i = 0;
while (*string == ' ') {
string++;
}
while (isdigit(*(string + i))) {
i++;
}
if (*(string + i) == '.') {
*(string + i) = '\0';
} else {
error_out("ERROR: Improperly formated OID");
}
first_value = atoi(string);
if (first_value < 0 || first_value > 2) {
error_out("ERROR: Improperly formated OID");
}
string += i + 1;
i = 0;
while (isdigit(*(string + i))) {
i++;
}
if (*(string + i) == '.') {
*(string + i) = '\0';
} else {
error_out("ERROR: Improperly formated OID");
}
second_value = atoi(string);
if (second_value < 0 || second_value > 39) {
error_out("ERROR: Improperly formated OID");
}
oidString = PORT_ZAlloc(2);
*oidString = (first_value * 40) + second_value;
*(oidString + 1) = '\0';
oidLength = 1;
string += i + 1;
i = 0;
temp = write = PORT_ZAlloc(length);
while (*string != '\0') {
value = 0;
while(isdigit(*(string + i))) {
i++;
}
if (*(string + i) == '\0') {
value = atoi(string);
string += i;
} else {
if (*(string + i) == '.') {
*(string + i) = '\0';
value = atoi(string);
string += i + 1;
} else {
*(string + i) = '\0';
i++;
value = atoi(string);
while (*(string + i) == ' ')
i++;
if (*(string + i) != '\0') {
error_out("ERROR: Improperly formated OID");
}
}
}
i = 0;
while (value != 0) {
if (remaining < 1) {
remaining += length;
length = length * 2;
temp = PORT_Realloc(temp, length);
write = temp + length - remaining;
}
*write = (value & 0x7f) | (0x80);
write++;
remaining--;
value = value >> 7;
}
*temp = *temp & (0x7f);
oidLength += write - temp;
oidString = PORT_Realloc(oidString, (oidLength + 1));
read = write - 1;
write = oidLength + oidString - 1;
for (i = 0; i < (length - remaining); i++) {
*write = *read;
write--;
read++;
}
write = temp;
remaining = length;
}
*(oidString + oidLength) = '\0';
oid = (SECItem *) PORT_ZAlloc(sizeof(SECItem));
oid->data = oidString;
oid->len = oidLength;
PORT_Free(temp);
return oid;
}
static SECItem *
string_to_ipaddress(char *string)
{
int i = 0;
int value;
int j = 0;
SECItem *ipaddress;
while (*string == ' ') {
string++;
}
ipaddress = (SECItem *) PORT_ZAlloc(sizeof(SECItem));
ipaddress->data = PORT_ZAlloc(9);
while (*string != '\0' && j < 8) {
while (isdigit(*(string + i))) {
i++;
}
if (*(string + i) == '.') {
*(string + i) = '\0';
value = atoi(string);
string = string + i + 1;
i = 0;
} else {
if (*(string + i) == '\0') {
value = atoi(string);
string = string + i;
i = 0;
} else {
*(string + i) = '\0';
while (*(string + i) == ' ') {
i++;
}
if (*(string + i) == '\0') {
value = atoi(string);
string = string + i;
i = 0;
} else {
error_out("ERROR: Improperly formated IP Address");
}
}
}
if (value >= 0 || value < 256) {
*(ipaddress->data + j) = value;
} else {
error_out("ERROR: Improperly formated IP Address");
}
j++;
}
*(ipaddress->data + j) = '\0';
if (j != 4 && j != 8) {
error_out("ERROR: Improperly formated IP Address");
}
ipaddress->len = j;
return ipaddress;
}
static SECItem *
string_to_binary(char *string)
{
SECItem *rv;
int high_digit;
int low_digit;
rv = (SECItem *) PORT_ZAlloc(sizeof(SECItem));
if (rv == NULL) {
error_allocate();
}
rv->data = (unsigned char *) PORT_ZAlloc((PORT_Strlen(string))/3 + 2);
while (!isxdigit(*string)) {
string++;
}
rv->len = 0;
while (*string != '\0') {
if (isxdigit(*string)) {
if (*string >= '0' && *string <= '9') {
high_digit = *string - '0';
} else {
*string = toupper(*string);
high_digit = *string - 'A';
}
string++;
if (*string >= '0' && *string <= '9') {
low_digit = *string - '0';
} else {
*string = toupper(*string);
low_digit = *string = 'A';
}
(rv->len)++;
} else {
if (*string == ':') {
string++;
} else {
if (*string == ' ') {
while (*string == ' ') {
string++;
}
}
if (*string != '\0') {
error_out("ERROR: Improperly formated binary encoding");
}
}
}
}
return rv;
}
static SECStatus
MakeGeneralName(char *name,
CERTGeneralName *genName,
PRArenaPool *arena)
{
SECItem *oid;
SECOidData *oidData;
SECItem *ipaddress;
SECItem *temp = NULL;
int i;
int nameType;
PRBool binary = PR_FALSE;
SECStatus rv = SECSuccess;
PRBool nickname = PR_FALSE;
PORT_Assert(genName);
PORT_Assert(arena);
nameType = *(name + PORT_Strlen(name) - 1) - '0';
if (nameType == 0 && *(name +PORT_Strlen(name) - 2) == '1') {
nickname = PR_TRUE;
nameType = certOtherName;
}
if (nameType < 1 || nameType > 9) {
error_out("ERROR: Unknown General Name Type");
}
*(name + PORT_Strlen(name) - 4) = '\0';
genName->type = nameType;
switch (genName->type) {
case certURI:
case certRFC822Name:
case certDNSName: {
genName->name.other.data = (unsigned char *)name;
genName->name.other.len = PORT_Strlen(name);
break;
}
case certIPAddress: {
ipaddress = string_to_ipaddress(name);
genName->name.other.data = ipaddress->data;
genName->name.other.len = ipaddress->len;
break;
}
case certRegisterID: {
oid = string_to_oid(name);
genName->name.other.data = oid->data;
genName->name.other.len = oid->len;
break;
}
case certEDIPartyName:
case certX400Address: {
genName->name.other.data = PORT_ArenaAlloc (arena,
PORT_Strlen (name) + 2);
if (genName->name.other.data == NULL) {
error_allocate();
}
PORT_Memcpy (genName->name.other.data + 2, name, PORT_Strlen (name));
/* This may not be accurate for all cases.
For now, use this tag type */
genName->name.other.data[0] = (char)(((genName->type - 1) &
0x1f)| 0x80);
genName->name.other.data[1] = (char)PORT_Strlen (name);
genName->name.other.len = PORT_Strlen (name) + 2;
break;
}
case certOtherName: {
i = 0;
if (!nickname) {
while (!isdigit(*(name + PORT_Strlen(name) - i))) {
i++;
}
if (*(name + PORT_Strlen(name) - i) == '1') {
binary = PR_TRUE;
} else {
binary = PR_FALSE;
}
while (*(name + PORT_Strlen(name) - i) != '-') {
i++;
}
*(name + PORT_Strlen(name) - i - 1) = '\0';
i = 0;
while (*(name + i) != '-') {
i++;
}
*(name + i - 1) = '\0';
oid = string_to_oid(name + i + 2);
} else {
oidData = SECOID_FindOIDByTag(SEC_OID_NETSCAPE_NICKNAME);
oid = &oidData->oid;
while (*(name + PORT_Strlen(name) - i) != '-') {
i++;
}
*(name + PORT_Strlen(name) - i) = '\0';
}
genName->name.OthName.oid.data = oid->data;
genName->name.OthName.oid.len = oid->len;
if (binary) {
temp = string_to_binary(name);
genName->name.OthName.name.data = temp->data;
genName->name.OthName.name.len = temp->len;
} else {
temp = (SECItem *) PORT_ZAlloc(sizeof(SECItem));
if (temp == NULL) {
error_allocate();
}
temp->data = (unsigned char *)name;
temp->len = PORT_Strlen(name);
SEC_ASN1EncodeItem (arena, &(genName->name.OthName.name), temp,
CERTIA5TypeTemplate);
}
PORT_Free(temp);
break;
}
case certDirectoryName: {
CERTName *directoryName = NULL;
directoryName = CERT_AsciiToName (name);
if (!directoryName) {
error_out("ERROR: Improperly formated alternative name");
break;
}
rv = CERT_CopyName (arena, &genName->name.directoryName,
directoryName);
CERT_DestroyName (directoryName);
break;
}
}
genName->l.next = &(genName->l);
genName->l.prev = &(genName->l);
return rv;
}
static CERTGeneralName *
MakeAltName(Pair *data,
char *which,
PRArenaPool *arena)
{
CERTGeneralName *SubAltName;
CERTGeneralName *current;
CERTGeneralName *newname;
char *name = NULL;
SECStatus rv = SECSuccess;
int len;
len = PORT_Strlen(which);
name = find_field(data, which, PR_TRUE);
SubAltName = current = (CERTGeneralName *) PORT_ZAlloc
(sizeof(CERTGeneralName));
if (current == NULL) {
error_allocate();
}
while (name != NULL) {
rv = MakeGeneralName(name, current, arena);
if (rv != SECSuccess) {
break;
}
if (*(which + len -1) < '9') {
*(which + len - 1) = *(which + len - 1) + 1;
} else {
if (isdigit(*(which + len - 2) )) {
*(which + len - 2) = *(which + len - 2) + 1;
*(which + len - 1) = '0';
} else {
*(which + len - 1) = '1';
*(which + len) = '0';
*(which + len + 1) = '\0';
len++;
}
}
len = PORT_Strlen(which);
name = find_field(data, which, PR_TRUE);
if (name != NULL) {
newname = (CERTGeneralName *) PORT_ZAlloc(sizeof(CERTGeneralName));
if (newname == NULL) {
error_allocate();
}
current->l.next = &(newname->l);
newname->l.prev = &(current->l);
current = newname;
newname = NULL;
} else {
current->l.next = &(SubAltName->l);
SubAltName->l.prev = &(current->l);
}
}
if (rv == SECFailure) {
return NULL;
}
return SubAltName;
}
static CERTNameConstraints *
MakeNameConstraints(Pair *data,
PRArenaPool *arena)
{
CERTNameConstraints *NameConstraints;
CERTNameConstraint *current = NULL;
CERTNameConstraint *last_permited = NULL;
CERTNameConstraint *last_excluded = NULL;
char *constraint = NULL;
char *which;
SECStatus rv = SECSuccess;
int len;
int i;
long max;
long min;
PRBool permited;
NameConstraints = (CERTNameConstraints *) PORT_ZAlloc
(sizeof(CERTNameConstraints));
which = make_copy_string("NameConstraintSelect0", 25,'\0');
len = PORT_Strlen(which);
constraint = find_field(data, which, PR_TRUE);
NameConstraints->permited = NameConstraints->excluded = NULL;
while (constraint != NULL) {
current = (CERTNameConstraint *) PORT_ZAlloc
(sizeof(CERTNameConstraint));
if (current == NULL) {
error_allocate();
}
i = 0;
while (*(constraint + PORT_Strlen(constraint) - i) != '-') {
i++;
}
*(constraint + PORT_Strlen(constraint) - i - 1) = '\0';
max = (long) atoi(constraint + PORT_Strlen(constraint) + 3);
if (max > 0) {
(void) SEC_ASN1EncodeInteger(arena, &current->max, max);
}
i = 0;
while (*(constraint + PORT_Strlen(constraint) - i) != '-') {
i++;
}
*(constraint + PORT_Strlen(constraint) - i - 1) = '\0';
min = (long) atoi(constraint + PORT_Strlen(constraint) + 3);
(void) SEC_ASN1EncodeInteger(arena, &current->min, min);
while (*(constraint + PORT_Strlen(constraint) - i) != '-') {
i++;
}
*(constraint + PORT_Strlen(constraint) - i - 1) = '\0';
if (*(constraint + PORT_Strlen(constraint) + 3) == 'p') {
permited = PR_TRUE;
} else {
permited = PR_FALSE;
}
rv = MakeGeneralName(constraint, &(current->name), arena);
if (rv != SECSuccess) {
break;
}
if (*(which + len - 1) < '9') {
*(which + len - 1) = *(which + len - 1) + 1;
} else {
if (isdigit(*(which + len - 2) )) {
*(which + len - 2) = *(which + len - 2) + 1;
*(which + len - 1) = '0';
} else {
*(which + len - 1) = '1';
*(which + len) = '0';
*(which + len + 1) = '\0';
len++;
}
}
len = PORT_Strlen(which);
if (permited) {
if (NameConstraints->permited == NULL) {
NameConstraints->permited = last_permited = current;
}
last_permited->l.next = &(current->l);
current->l.prev = &(last_permited->l);
last_permited = current;
} else {
if (NameConstraints->excluded == NULL) {
NameConstraints->excluded = last_excluded = current;
}
last_excluded->l.next = &(current->l);
current->l.prev = &(last_excluded->l);
last_excluded = current;
}
constraint = find_field(data, which, PR_TRUE);
if (constraint != NULL) {
current = (CERTNameConstraint *) PORT_ZAlloc(sizeof(CERTNameConstraint));
if (current == NULL) {
error_allocate();
}
}
}
if (NameConstraints->permited != NULL) {
last_permited->l.next = &(NameConstraints->permited->l);
NameConstraints->permited->l.prev = &(last_permited->l);
}
if (NameConstraints->excluded != NULL) {
last_excluded->l.next = &(NameConstraints->excluded->l);
NameConstraints->excluded->l.prev = &(last_excluded->l);
}
if (which != NULL) {
PORT_Free(which);
}
if (rv == SECFailure) {
return NULL;
}
return NameConstraints;
}
static SECStatus
AddAltName(void *extHandle,
Pair *data,
char *issuerNameStr,
CERTCertDBHandle *handle,
int type)
{
PRBool autoIssuer = PR_FALSE;
PRArenaPool *arena = NULL;
CERTGeneralName *genName = NULL;
char *which = NULL;
char *name = NULL;
SECStatus rv = SECSuccess;
SECItem *issuersAltName = NULL;
CERTCertificate *issuerCert = NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) {
error_allocate();
}
if (type == 0) {
which = make_copy_string("SubAltNameSelect0", 20,'\0');
genName = MakeAltName(data, which, arena);
} else {
if (autoIssuer) {
autoIssuer = find_field_bool(data,"IssuerAltNameSourceRadio-auto",
PR_TRUE);
issuerCert = CERT_FindCertByNameString(handle, issuerNameStr);
rv = cert_FindExtension((*issuerCert).extensions,
SEC_OID_X509_SUBJECT_ALT_NAME,
issuersAltName);
if (issuersAltName == NULL) {
name = PORT_Alloc(PORT_Strlen((*issuerCert).subjectName) + 4);
PORT_Strcpy(name, (*issuerCert).subjectName);
PORT_Strcat(name, " - 5");
}
} else {
which = make_copy_string("IssuerAltNameSelect0", 20,'\0');
genName = MakeAltName(data, which, arena);
}
}
if (type == 0) {
EncodeAndAddExtensionValue(arena, extHandle, genName,
find_field_bool(data, "SubAltName-crit",
PR_TRUE),
SEC_OID_X509_SUBJECT_ALT_NAME,
(EXTEN_VALUE_ENCODER)
CERT_EncodeAltNameExtension);
} else {
if (autoIssuer && (name == NULL)) {
rv = CERT_AddExtension
(extHandle, SEC_OID_X509_ISSUER_ALT_NAME, issuersAltName,
find_field_bool(data, "IssuerAltName-crit", PR_TRUE), PR_TRUE);
} else {
EncodeAndAddExtensionValue(arena, extHandle, genName,
find_field_bool(data,
"IssuerAltName-crit",
PR_TRUE),
SEC_OID_X509_ISSUER_ALT_NAME,
(EXTEN_VALUE_ENCODER)
CERT_EncodeAltNameExtension);
}
}
if (which != NULL) {
PORT_Free(which);
}
if (issuerCert != NULL) {
CERT_DestroyCertificate(issuerCert);
}
return rv;
}
static SECStatus
AddNameConstraints(void *extHandle,
Pair *data)
{
PRArenaPool *arena = NULL;
CERTNameConstraints *constraints = NULL;
SECStatus rv = SECSuccess;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (arena == NULL) {
error_allocate();
}
constraints = MakeNameConstraints(data, arena);
if (constraints != NULL) {
EncodeAndAddExtensionValue(arena, extHandle, constraints, PR_TRUE,
SEC_OID_X509_NAME_CONSTRAINTS,
(EXTEN_VALUE_ENCODER)
CERT_EncodeNameConstraintsExtension);
}
if (arena != NULL) {
PORT_ArenaRelease (arena, NULL);
}
return rv;
}
static SECStatus
add_extensions(CERTCertificate *subjectCert,
Pair *data,
char *issuerNameStr,
CERTCertDBHandle *handle)
{
void *extHandle;
SECStatus rv = SECSuccess;
extHandle = CERT_StartCertExtensions (subjectCert);
if (extHandle == NULL) {
error_out("ERROR: Unable to get certificates extension handle");
}
if (find_field_bool(data, "keyUsage", PR_TRUE)) {
rv = AddKeyUsage(extHandle, data);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Key Usage extension");
}
}
if( find_field_bool(data, "extKeyUsage", PR_TRUE) ) {
rv = AddExtKeyUsage(extHandle, data);
if( SECSuccess != rv ) {
error_out("ERROR: Unable to add Extended Key Usage extension");
}
}
if (find_field_bool(data, "basicConstraints", PR_TRUE)) {
rv = AddBasicConstraint(extHandle, data);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Basic Constraint extension");
}
}
if (find_field_bool(data, "subjectKeyIdentifier", PR_TRUE)) {
rv = AddSubKeyID(extHandle, data, subjectCert);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Subject Key Identifier Extension");
}
}
if (find_field_bool(data, "authorityKeyIdentifier", PR_TRUE)) {
rv = AddAuthKeyID (extHandle, data, issuerNameStr, handle);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Authority Key Identifier extension");
}
}
if (find_field_bool(data, "privKeyUsagePeriod", PR_TRUE)) {
rv = AddPrivKeyUsagePeriod (extHandle, data, subjectCert);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Private Key Usage Period extension");
}
}
if (find_field_bool(data, "SubAltName", PR_TRUE)) {
rv = AddAltName (extHandle, data, NULL, NULL, 0);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Subject Alternative Name extension");
}
}
if (find_field_bool(data, "IssuerAltName", PR_TRUE)) {
rv = AddAltName (extHandle, data, issuerNameStr, handle, 1);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Issuer Alternative Name Extension");
}
}
if (find_field_bool(data, "NameConstraints", PR_TRUE)) {
rv = AddNameConstraints(extHandle, data);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Name Constraints Extension");
}
}
if (find_field_bool(data, "netscape-cert-type", PR_TRUE)) {
rv = AddNscpCertType(extHandle, data);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape Certificate Type Extension");
}
}
if (find_field_bool(data, "netscape-base-url", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data, "netscape-base-url-text",
PR_TRUE),
find_field_bool(data,
"netscape-base-url-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_BASE_URL);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape Base URL Extension");
}
}
if (find_field_bool(data, "netscape-revocation-url", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data,
"netscape-revocation-url-text",
PR_TRUE),
find_field_bool
(data, "netscape-revocation-url-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_REVOCATION_URL);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape Revocation URL Extension");
}
}
if (find_field_bool(data, "netscape-ca-revocation-url", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data,
"netscape-ca-revocation-url-text",
PR_TRUE),
find_field_bool
(data, "netscape-ca-revocation-url-crit"
, PR_TRUE),
SEC_OID_NS_CERT_EXT_CA_REVOCATION_URL);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape CA Revocation URL Extension");
}
}
if (find_field_bool(data, "netscape-cert-renewal-url", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data,
"netscape-cert-renewal-url-text",
PR_TRUE),
find_field_bool
(data, "netscape-cert-renewal-url-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_CERT_RENEWAL_URL);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape Certificate Renewal URL Extension");
}
}
if (find_field_bool(data, "netscape-ca-policy-url", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data,
"netscape-ca-policy-url-text",
PR_TRUE),
find_field_bool
(data, "netscape-ca-policy-url-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_CA_POLICY_URL);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape CA Policy URL Extension");
}
}
if (find_field_bool(data, "netscape-ssl-server-name", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data,
"netscape-ssl-server-name-text",
PR_TRUE),
find_field_bool
(data, "netscape-ssl-server-name-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_SSL_SERVER_NAME);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape SSL Server Name Extension");
}
}
if (find_field_bool(data, "netscape-comment", PR_TRUE)) {
rv = add_IA5StringExtension(extHandle,
find_field(data, "netscape-comment-text",
PR_TRUE),
find_field_bool(data,
"netscape-comment-crit",
PR_TRUE),
SEC_OID_NS_CERT_EXT_COMMENT);
if (rv != SECSuccess) {
error_out("ERROR: Unable to add Netscape Comment Extension");
}
}
CERT_FinishExtensions(extHandle);
return (rv);
}
char *
return_dbpasswd(PK11SlotInfo *slot, PRBool retry, void *data)
{
char *rv;
/* don't clobber our poor smart card */
if (retry == PR_TRUE) {
return NULL;
}
rv = PORT_Alloc(4);
PORT_Strcpy(rv, "foo");
return rv;
}
SECKEYPrivateKey *
FindPrivateKeyFromNameStr(char *name,
CERTCertDBHandle *certHandle)
{
SECKEYPrivateKey *key;
CERTCertificate *cert;
CERTCertificate *p11Cert;
/* We don't presently have a PK11 function to find a cert by
** subject name.
** We do have a function to find a cert in the internal slot's
** cert db by subject name, but it doesn't setup the slot info.
** So, this HACK works, but should be replaced as soon as we
** have a function to search for certs accross slots by subject name.
*/
cert = CERT_FindCertByNameString(certHandle, name);
if (cert == NULL || cert->nickname == NULL) {
error_out("ERROR: Unable to retrieve issuers certificate");
}
p11Cert = PK11_FindCertFromNickname(cert->nickname, NULL);
if (p11Cert == NULL) {
error_out("ERROR: Unable to retrieve issuers certificate");
}
key = PK11_FindKeyByAnyCert(p11Cert, NULL);
return key;
}
static SECItem *
SignCert(CERTCertificate *cert,
char *issuerNameStr,
Pair *data,
CERTCertDBHandle *handle,
int which_key)
{
SECItem der;
SECKEYPrivateKey *caPrivateKey = NULL;
SECStatus rv;
PRArenaPool *arena;
SECOidTag algID;
if (which_key == 0) {
caPrivateKey = FindPrivateKeyFromNameStr(issuerNameStr, handle);
} else {
caPrivateKey = privkeys[which_key - 1];
}
if (caPrivateKey == NULL) {
error_out("ERROR: unable to retrieve issuers key");
}
arena = cert->arena;
algID = SEC_GetSignatureAlgorithmOidTag(caPrivateKey->keyType,
SEC_OID_UNKNOWN);
if (algID == SEC_OID_UNKNOWN) {
error_out("ERROR: Unknown key type for issuer.");
goto done;
}
rv = SECOID_SetAlgorithmID(arena, &cert->signature, algID, 0);
if (rv != SECSuccess) {
error_out("ERROR: Could not set signature algorithm id.");
}
if (find_field_bool(data,"ver-1", PR_TRUE)) {
*(cert->version.data) = 0;
cert->version.len = 1;
} else {
*(cert->version.data) = 2;
cert->version.len = 1;
}
der.data = NULL;
der.len = 0;
(void) SEC_ASN1EncodeItem (arena, &der, cert, CERT_CertificateTemplate);
if (der.data == NULL) {
error_out("ERROR: Could not encode certificate.\n");
}
rv = SEC_DerSignData (arena, &(cert->derCert), der.data, der.len, caPrivateKey,
algID);
if (rv != SECSuccess) {
error_out("ERROR: Could not sign encoded certificate data.\n");
}
done:
SECKEY_DestroyPrivateKey(caPrivateKey);
return &(cert->derCert);
}
int
main(int argc, char **argv)
{
int length = 500;
int remaining = 500;
int n;
int i;
int serial;
int chainLen;
int which_key;
char *pos;
#ifdef OFFLINE
char *form_output = "key=MIIBPTCBpzCBnzANBgkqhkiG9w0BAQEFAAOBjQAwgYkCgYEA7SLqjWBL9Wl11Vlg%0AaMqZCvcQOL%2FnvSqYPPRP0XZy9SoAeyWzQnBOiCm2t8H5mK7r2jnKdAQOmfhjaJil%0A3hNVu3SekHOXF6Ze7bkWa6%2FSGVcY%2FojkydxFSgY43nd1iydzPQDp8WWLL%2BpVpt%2B%2B%0ATRhFtVXbF0fQI03j9h3BoTgP2lkCAwEAARYDZm9vMA0GCSqGSIb3DQEBBAUAA4GB%0AAJ8UfRKJ0GtG%2B%2BufCC6tAfTzKrq3CTBHnom55EyXcsAsv6WbDqI%2F0rLAPkn2Xo1r%0AnNhtMxIuj441blMt%2Fa3AGLOy5zmC7Qawt8IytvQikQ1XTpTBCXevytrmLjCmlURr%0ANJryTM48WaMQHiMiJpbXCqVJC1d%2FpEWBtqvALzZaOOIy&subject=CN%3D%22test%22%26serial-auto%3Dtrue%26serial_value%3D%26ver-1%3Dtrue%26ver-3%3Dfalse%26caChoiceradio-SignWithDefaultkey%3Dtrue%26caChoiceradio-SignWithRandomChain%3Dfalse%26autoCAs%3D%26caChoiceradio-SignWithSpecifiedChain%3Dfalse%26manCAs%3D%26%24";
#else
char *form_output;
#endif
char *issuerNameStr;
char *certName;
char *DBdir = DB_DIRECTORY;
char *prefixs[10] = {"CA#1-", "CA#2-", "CA#3-",
"CA#4-", "CA#5-", "CA#6-",
"CA#7-", "CA#8-", "CA#9-", ""};
Pair *form_data;
CERTCertificate *cert;
CERTCertDBHandle *handle;
CERTCertificateRequest *certReq = NULL;
int warpmonths = 0;
SECItem *certDER;
#ifdef FILEOUT
FILE *outfile;
#endif
SECStatus status = SECSuccess;
extern char prefix[PREFIX_LEN];
SEC_PKCS7ContentInfo *certChain;
SECItem *encodedCertChain;
PRBool UChain = PR_FALSE;
progName = strrchr(argv[0], '/');
progName = progName ? progName+1 : argv[0];
#ifdef TEST
sleep(20);
#endif
SECU_ConfigDirectory(DBdir);
PK11_SetPasswordFunc(return_dbpasswd);
status = NSS_InitReadWrite(DBdir);
if (status != SECSuccess) {
SECU_PrintPRandOSError(progName);
return -1;
}
handle = CERT_GetDefaultCertDB();
prefix[0]= '\0';
#if !defined(OFFLINE)
form_output = (char*) PORT_Alloc(length);
if (form_output == NULL) {
error_allocate();
}
pos = form_output;
while (feof(stdin) == 0 ) {
if (remaining <= 1) {
remaining += length;
length = length * 2;
form_output = PORT_Realloc(form_output, (length));
if (form_output == NULL) {
error_allocate();
}
pos = form_output + length - remaining;
}
n = fread(pos, 1, (size_t) (remaining - 1), stdin);
pos += n;
remaining -= n;
}
*pos = '&';
pos++;
length = pos - form_output;
#else
length = PORT_Strlen(form_output);
#endif
#ifdef FILEOUT
printf("Content-type: text/plain\n\n");
fwrite(form_output, 1, (size_t)length, stdout);
printf("\n");
#endif
#ifdef FILEOUT
fwrite(form_output, 1, (size_t)length, stdout);
printf("\n");
fflush(stdout);
#endif
form_data = make_datastruct(form_output, length);
status = clean_input(form_data);
#if !defined(OFFLINE)
PORT_Free(form_output);
#endif
#ifdef FILEOUT
i = 0;
while(return_name(form_data, i) != NULL) {
printf("%s",return_name(form_data,i));
printf("=\n");
printf("%s",return_data(form_data,i));
printf("\n");
i++;
}
printf("I got that done, woo hoo\n");
fflush(stdout);
#endif
issuerNameStr = PORT_Alloc(200);
if (find_field_bool(form_data, "caChoiceradio-SignWithSpecifiedChain",
PR_FALSE)) {
UChain = PR_TRUE;
chainLen = atoi(find_field(form_data, "manCAs", PR_FALSE));
PORT_Strcpy(prefix, prefixs[0]);
issuerNameStr = PORT_Strcpy(issuerNameStr,
"CN=Cert-O-Matic II, O=Cert-O-Matic II");
if (chainLen == 0) {
UChain = PR_FALSE;
}
} else {
if (find_field_bool(form_data, "caChoiceradio-SignWithRandomChain",
PR_FALSE)) {
PORT_Strcpy(prefix,prefixs[9]);
chainLen = atoi(find_field(form_data, "autoCAs", PR_FALSE));
if (chainLen < 1 || chainLen > 18) {
issuerNameStr = PORT_Strcpy(issuerNameStr,
"CN=CA18, O=Cert-O-Matic II");
}
issuerNameStr = PORT_Strcpy(issuerNameStr, "CN=CA");
issuerNameStr = PORT_Strcat(issuerNameStr,
find_field(form_data,"autoCAs", PR_FALSE));
issuerNameStr = PORT_Strcat(issuerNameStr,", O=Cert-O-Matic II");
} else {
issuerNameStr = PORT_Strcpy(issuerNameStr,
"CN=Cert-O-Matic II, O=Cert-O-Matic II");
}
chainLen = 0;
}
i = -1;
which_key = 0;
do {
extern SECStatus cert_GetKeyID(CERTCertificate *cert);
i++;
if (i != 0 && UChain) {
PORT_Strcpy(prefix, prefixs[i]);
}
/* find_field(form_data,"subject", PR_TRUE); */
certReq = makeCertReq(form_data, which_key);
#ifdef OFFLINE
serial = 900;
#else
serial = get_serial_number(form_data);
#endif
cert = MakeV1Cert(handle, certReq, issuerNameStr, PR_FALSE,
serial, warpmonths, form_data);
if (certReq != NULL) {
CERT_DestroyCertificateRequest(certReq);
}
if (find_field_bool(form_data,"ver-3", PR_TRUE)) {
status = add_extensions(cert, form_data, issuerNameStr, handle);
if (status != SECSuccess) {
error_out("ERROR: Unable to add extensions");
}
}
status = cert_GetKeyID(cert);
if (status == SECFailure) {
error_out("ERROR: Unable to get Key ID.");
}
certDER = SignCert(cert, issuerNameStr, form_data, handle, which_key);
CERT_NewTempCertificate(handle, certDER, NULL, PR_FALSE, PR_TRUE);
issuerNameStr = find_field(form_data, "subject", PR_TRUE);
/* SECITEM_FreeItem(certDER, PR_TRUE); */
CERT_DestroyCertificate(cert);
if (i == (chainLen - 1)) {
i = 8;
}
++which_key;
} while (i < 9 && UChain);
#ifdef FILEOUT
outfile = fopen("../certout", "wb");
#endif
certName = find_field(form_data, "subject", PR_FALSE);
cert = CERT_FindCertByNameString(handle, certName);
certChain = SEC_PKCS7CreateCertsOnly (cert, PR_TRUE, handle);
if (certChain == NULL) {
error_out("ERROR: No certificates in cert chain");
}
encodedCertChain = SEC_PKCS7EncodeItem (NULL, NULL, certChain, NULL, NULL,
NULL);
if (encodedCertChain) {
#if !defined(FILEOUT)
printf("Content-type: application/x-x509-user-cert\r\n");
printf("Content-length: %d\r\n\r\n", encodedCertChain->len);
fwrite (encodedCertChain->data, 1, encodedCertChain->len, stdout);
#else
fwrite (encodedCertChain->data, 1, encodedCertChain->len, outfile);
#endif
} else {
error_out("Error: Unable to DER encode certificate");
}
#ifdef FILEOUT
printf("\nI got here!\n");
fflush(outfile);
fclose(outfile);
#endif
fflush(stdout);
if (NSS_Shutdown() != SECSuccess) {
exit(1);
}
return 0;
}
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