/
certext.c
2208 lines (1925 loc) · 66.2 KB
/
certext.c
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/* 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/. */
/*
** certext.c
**
** part of certutil for managing certificates extensions
**
*/
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#if defined(WIN32)
#include "fcntl.h"
#include "io.h"
#endif
#include "secutil.h"
#if defined(XP_UNIX)
#include <unistd.h>
#endif
#include "cert.h"
#include "xconst.h"
#include "prprf.h"
#include "certutil.h"
#include "genname.h"
#include "prnetdb.h"
#define GEN_BREAK(e) rv=e; break;
static char *
Gets_s(char *buff, size_t size) {
char *str;
if (buff == NULL || size < 1) {
PORT_Assert(0);
return NULL;
}
if ((str = fgets(buff, size, stdin)) != NULL) {
int len = PORT_Strlen(str);
/*
* fgets() automatically converts native text file
* line endings to '\n'. As defensive programming
* (just in case fgets has a bug or we put stdin in
* binary mode by mistake), we handle three native
* text file line endings here:
* '\n' Unix (including Linux and Mac OS X)
* '\r''\n' DOS/Windows & OS/2
* '\r' Mac OS Classic
* len can not be less then 1, since in case with
* empty string it has at least '\n' in the buffer
*/
if (buff[len - 1] == '\n' || buff[len - 1] == '\r') {
buff[len - 1] = '\0';
if (len > 1 && buff[len - 2] == '\r')
buff[len - 2] = '\0';
}
} else {
buff[0] = '\0';
}
return str;
}
static SECStatus
PrintChoicesAndGetAnswer(char* str, char* rBuff, int rSize)
{
fputs(str, stdout);
fputs(" > ", stdout);
fflush (stdout);
if (Gets_s(rBuff, rSize) == NULL) {
PORT_SetError(SEC_ERROR_INPUT_LEN);
return SECFailure;
}
return SECSuccess;
}
static CERTGeneralName *
GetGeneralName(PLArenaPool *arena, CERTGeneralName *useExistingName, PRBool onlyOne)
{
CERTGeneralName *namesList = NULL;
CERTGeneralName *current;
CERTGeneralName *tail = NULL;
SECStatus rv = SECSuccess;
int intValue;
char buffer[512];
void *mark;
PORT_Assert (arena);
mark = PORT_ArenaMark (arena);
do {
if (PrintChoicesAndGetAnswer(
"\nSelect one of the following general name type: \n"
"\t2 - rfc822Name\n"
"\t3 - dnsName\n"
"\t5 - directoryName\n"
"\t7 - uniformResourceidentifier\n"
"\t8 - ipAddress\n"
"\t9 - registerID\n"
"\tAny other number to finish\n"
"\t\tChoice:", buffer, sizeof(buffer)) == SECFailure) {
GEN_BREAK (SECFailure);
}
intValue = PORT_Atoi (buffer);
/*
* Should use ZAlloc instead of Alloc to avoid problem with garbage
* initialized pointers in CERT_CopyName
*/
switch (intValue) {
case certRFC822Name:
case certDNSName:
case certDirectoryName:
case certURI:
case certIPAddress:
case certRegisterID:
break;
default:
intValue = 0; /* force a break for anything else */
}
if (intValue == 0)
break;
if (namesList == NULL) {
if (useExistingName) {
namesList = current = tail = useExistingName;
} else {
namesList = current = tail =
PORT_ArenaZNew(arena, CERTGeneralName);
}
} else {
current = PORT_ArenaZNew(arena, CERTGeneralName);
}
if (current == NULL) {
GEN_BREAK (SECFailure);
}
current->type = intValue;
puts ("\nEnter data:");
fflush (stdout);
if (Gets_s (buffer, sizeof(buffer)) == NULL) {
PORT_SetError(SEC_ERROR_INPUT_LEN);
GEN_BREAK (SECFailure);
}
switch (current->type) {
case certURI:
case certDNSName:
case certRFC822Name:
current->name.other.data =
PORT_ArenaAlloc (arena, strlen (buffer));
if (current->name.other.data == NULL) {
GEN_BREAK (SECFailure);
}
PORT_Memcpy(current->name.other.data, buffer,
current->name.other.len = strlen(buffer));
break;
case certEDIPartyName:
case certIPAddress:
case certOtherName:
case certRegisterID:
case certX400Address: {
current->name.other.data =
PORT_ArenaAlloc (arena, strlen (buffer) + 2);
if (current->name.other.data == NULL) {
GEN_BREAK (SECFailure);
}
PORT_Memcpy (current->name.other.data + 2, buffer,
strlen (buffer));
/* This may not be accurate for all cases. For now,
* use this tag type */
current->name.other.data[0] =
(char)(((current->type - 1) & 0x1f)| 0x80);
current->name.other.data[1] = (char)strlen (buffer);
current->name.other.len = strlen (buffer) + 2;
break;
}
case certDirectoryName: {
CERTName *directoryName = NULL;
directoryName = CERT_AsciiToName (buffer);
if (!directoryName) {
fprintf(stderr, "certutil: improperly formatted name: "
"\"%s\"\n", buffer);
break;
}
rv = CERT_CopyName (arena, ¤t->name.directoryName,
directoryName);
CERT_DestroyName (directoryName);
break;
}
}
if (rv != SECSuccess)
break;
current->l.next = &(namesList->l);
current->l.prev = &(tail->l);
tail->l.next = &(current->l);
tail = current;
}while (!onlyOne);
if (rv != SECSuccess) {
PORT_ArenaRelease (arena, mark);
namesList = NULL;
}
return (namesList);
}
static CERTGeneralName *
CreateGeneralName(PLArenaPool *arena)
{
return GetGeneralName(arena, NULL, PR_FALSE);
}
static SECStatus
GetString(PLArenaPool *arena, char *prompt, SECItem *value)
{
char buffer[251];
char *buffPrt;
buffer[0] = '\0';
value->data = NULL;
value->len = 0;
puts (prompt);
buffPrt = Gets_s (buffer, sizeof(buffer));
/* returned NULL here treated the same way as empty string */
if (buffPrt && strlen (buffer) > 0) {
value->data = PORT_ArenaAlloc (arena, strlen (buffer));
if (value->data == NULL) {
PORT_SetError (SEC_ERROR_NO_MEMORY);
return (SECFailure);
}
PORT_Memcpy (value->data, buffer, value->len = strlen(buffer));
}
return (SECSuccess);
}
static PRBool
GetYesNo(char *prompt)
{
char buf[3];
char *buffPrt;
buf[0] = 'n';
puts(prompt);
buffPrt = Gets_s(buf, sizeof(buf));
return (buffPrt && (buf[0] == 'y' || buf[0] == 'Y')) ? PR_TRUE : PR_FALSE;
}
/* Parses comma separated values out of the string pointed by nextPos.
* Parsed value is compared to an array of possible values(valueArray).
* If match is found, a value index is returned, otherwise returns SECFailue.
* nextPos is set to the token after found comma separator or to NULL.
* NULL in nextPos should be used as indication of the last parsed token.
* A special value "critical" can be parsed out from the supplied sting.*/
static SECStatus
parseNextCmdInput(const char * const *valueArray, int *value, char **nextPos,
PRBool *critical)
{
char *thisPos = *nextPos;
int keyLen = 0;
int arrIndex = 0;
if (!valueArray || !value || !nextPos || !critical) {
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
while (1) {
if ((*nextPos = strchr(thisPos, ',')) == NULL) {
keyLen = strlen(thisPos);
} else {
keyLen = *nextPos - thisPos;
*nextPos += 1;
}
/* if critical keyword is found, go for another loop,
* but check, if it is the last keyword of
* the string.*/
if (!strncmp("critical", thisPos, keyLen)) {
*critical = PR_TRUE;
if (*nextPos == NULL) {
return SECSuccess;
}
thisPos = *nextPos;
continue;
}
break;
}
for (arrIndex = 0; valueArray[arrIndex]; arrIndex++) {
if (!strncmp(valueArray[arrIndex], thisPos, keyLen)) {
*value = arrIndex;
return SECSuccess;
}
}
PORT_SetError(SEC_ERROR_INVALID_ARGS);
return SECFailure;
}
static const char * const
keyUsageKeyWordArray[] = { "digitalSignature",
"nonRepudiation",
"keyEncipherment",
"dataEncipherment",
"keyAgreement",
"certSigning",
"crlSigning",
NULL};
static SECStatus
AddKeyUsage (void *extHandle, const char *userSuppliedValue)
{
SECItem bitStringValue;
unsigned char keyUsage = 0x0;
char buffer[5];
int value;
char *nextPos = (char*)userSuppliedValue;
PRBool isCriticalExt = PR_FALSE;
if (!userSuppliedValue) {
while (1) {
if (PrintChoicesAndGetAnswer(
"\t\t0 - Digital Signature\n"
"\t\t1 - Non-repudiation\n"
"\t\t2 - Key encipherment\n"
"\t\t3 - Data encipherment\n"
"\t\t4 - Key agreement\n"
"\t\t5 - Cert signing key\n"
"\t\t6 - CRL signing key\n"
"\t\tOther to finish\n",
buffer, sizeof(buffer)) == SECFailure) {
return SECFailure;
}
value = PORT_Atoi (buffer);
if (value < 0 || value > 6)
break;
if (value == 0) {
/* Checking that zero value of variable 'value'
* corresponds to '0' input made by user */
char *chPtr = strchr(buffer, '0');
if (chPtr == NULL) {
continue;
}
}
keyUsage |= (0x80 >> value);
}
isCriticalExt = GetYesNo("Is this a critical extension [y/N]?");
} else {
while (1) {
if (parseNextCmdInput(keyUsageKeyWordArray, &value, &nextPos,
&isCriticalExt) == SECFailure) {
return SECFailure;
}
keyUsage |= (0x80 >> value);
if (!nextPos)
break;
}
}
bitStringValue.data = &keyUsage;
bitStringValue.len = 1;
return (CERT_EncodeAndAddBitStrExtension
(extHandle, SEC_OID_X509_KEY_USAGE, &bitStringValue,
isCriticalExt));
}
static CERTOidSequence *
CreateOidSequence(void)
{
CERTOidSequence *rv = (CERTOidSequence *)NULL;
PLArenaPool *arena = (PLArenaPool *)NULL;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if( (PLArenaPool *)NULL == arena ) {
goto loser;
}
rv = (CERTOidSequence *)PORT_ArenaZNew(arena, CERTOidSequence);
if( (CERTOidSequence *)NULL == rv ) {
goto loser;
}
rv->oids = (SECItem **)PORT_ArenaZNew(arena, SECItem *);
if( (SECItem **)NULL == rv->oids ) {
goto loser;
}
rv->arena = arena;
return rv;
loser:
if( (PLArenaPool *)NULL != arena ) {
PORT_FreeArena(arena, PR_FALSE);
}
return (CERTOidSequence *)NULL;
}
static void
DestroyOidSequence(CERTOidSequence *os)
{
if (os->arena) {
PORT_FreeArena(os->arena, PR_FALSE);
}
}
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++ ) {
if (*oids == &od->oid) {
/* We already have this oid */
return SECSuccess;
}
count++;
}
/* ArenaZRealloc */
{
PRUint32 i;
oids = (SECItem **)PORT_ArenaZNewArray(os->arena, 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;
}
SEC_ASN1_MKSUB(SEC_ObjectIDTemplate)
const SEC_ASN1Template CERT_OidSeqTemplate[] = {
{ SEC_ASN1_SEQUENCE_OF | SEC_ASN1_XTRN, offsetof(CERTOidSequence, oids),
SEC_ASN1_SUB(SEC_ObjectIDTemplate) }
};
static SECItem *
EncodeOidSequence(CERTOidSequence *os)
{
SECItem *rv;
rv = (SECItem *)PORT_ArenaZNew(os->arena, 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 const char * const
extKeyUsageKeyWordArray[] = { "serverAuth",
"clientAuth",
"codeSigning",
"emailProtection",
"timeStamp",
"ocspResponder",
"stepUp",
"msTrustListSigning",
NULL};
static SECStatus
AddExtKeyUsage (void *extHandle, const char *userSuppliedValue)
{
char buffer[5];
int value;
CERTOidSequence *os;
SECStatus rv;
SECItem *item;
PRBool isCriticalExt = PR_FALSE;
char *nextPos = (char*)userSuppliedValue;
os = CreateOidSequence();
if( (CERTOidSequence *)NULL == os ) {
return SECFailure;
}
while (1) {
if (!userSuppliedValue) {
if (PrintChoicesAndGetAnswer(
"\t\t0 - Server Auth\n"
"\t\t1 - Client Auth\n"
"\t\t2 - Code Signing\n"
"\t\t3 - Email Protection\n"
"\t\t4 - Timestamp\n"
"\t\t5 - OCSP Responder\n"
"\t\t6 - Step-up\n"
"\t\t7 - Microsoft Trust List Signing\n"
"\t\tOther to finish\n",
buffer, sizeof(buffer)) == SECFailure) {
GEN_BREAK(SECFailure);
}
value = PORT_Atoi(buffer);
if (value == 0) {
/* Checking that zero value of variable 'value'
* corresponds to '0' input made by user */
char *chPtr = strchr(buffer, '0');
if (chPtr == NULL) {
continue;
}
}
} else {
if (parseNextCmdInput(extKeyUsageKeyWordArray, &value, &nextPos,
&isCriticalExt) == SECFailure) {
return SECFailure;
}
}
switch( value ) {
case 0:
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_SERVER_AUTH);
break;
case 1:
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_CLIENT_AUTH);
break;
case 2:
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_CODE_SIGN);
break;
case 3:
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_EMAIL_PROTECT);
break;
case 4:
rv = AddOidToSequence(os, SEC_OID_EXT_KEY_USAGE_TIME_STAMP);
break;
case 5:
rv = AddOidToSequence(os, SEC_OID_OCSP_RESPONDER);
break;
case 6:
rv = AddOidToSequence(os, SEC_OID_NS_KEY_USAGE_GOVT_APPROVED);
break;
case 7:
rv = AddOidToSequence(os, SEC_OID_MS_EXT_KEY_USAGE_CTL_SIGNING);
break;
default:
goto endloop;
}
if (userSuppliedValue && !nextPos)
break;
if( SECSuccess != rv )
goto loser;
}
endloop:
item = EncodeOidSequence(os);
if (!userSuppliedValue) {
isCriticalExt = GetYesNo("Is this a critical extension [y/N]?");
}
rv = CERT_AddExtension(extHandle, SEC_OID_X509_EXT_KEY_USAGE, item,
isCriticalExt, PR_TRUE);
/*FALLTHROUGH*/
loser:
DestroyOidSequence(os);
return rv;
}
static const char * const
nsCertTypeKeyWordArray[] = { "sslClient",
"sslServer",
"smime",
"objectSigning",
"Not!Used",
"sslCA",
"smimeCA",
"objectSigningCA",
NULL };
static SECStatus
AddNscpCertType (void *extHandle, const char *userSuppliedValue)
{
SECItem bitStringValue;
unsigned char keyUsage = 0x0;
char buffer[5];
int value;
char *nextPos = (char*)userSuppliedValue;
PRBool isCriticalExt = PR_FALSE;
if (!userSuppliedValue) {
while (1) {
if (PrintChoicesAndGetAnswer(
"\t\t0 - SSL Client\n"
"\t\t1 - SSL Server\n"
"\t\t2 - S/MIME\n"
"\t\t3 - Object Signing\n"
"\t\t4 - Reserved for future use\n"
"\t\t5 - SSL CA\n"
"\t\t6 - S/MIME CA\n"
"\t\t7 - Object Signing CA\n"
"\t\tOther to finish\n",
buffer, sizeof(buffer)) == SECFailure) {
return SECFailure;
}
value = PORT_Atoi (buffer);
if (value < 0 || value > 7)
break;
if (value == 0) {
/* Checking that zero value of variable 'value'
* corresponds to '0' input made by user */
char *chPtr = strchr(buffer, '0');
if (chPtr == NULL) {
continue;
}
}
keyUsage |= (0x80 >> value);
}
isCriticalExt = GetYesNo("Is this a critical extension [y/N]?");
} else {
while (1) {
if (parseNextCmdInput(nsCertTypeKeyWordArray, &value, &nextPos,
&isCriticalExt) == SECFailure) {
return SECFailure;
}
keyUsage |= (0x80 >> value);
if (!nextPos)
break;
}
}
bitStringValue.data = &keyUsage;
bitStringValue.len = 1;
return (CERT_EncodeAndAddBitStrExtension
(extHandle, SEC_OID_NS_CERT_EXT_CERT_TYPE, &bitStringValue,
isCriticalExt));
}
SECStatus
GetOidFromString(PLArenaPool *arena, SECItem *to,
const char *from, size_t fromLen)
{
SECStatus rv;
SECOidTag tag;
SECOidData *coid;
/* try dotted form first */
rv = SEC_StringToOID(arena, to, from, fromLen);
if (rv == SECSuccess) {
return rv;
}
/* Check to see if it matches a name in our oid table.
* SECOID_FindOIDByTag returns NULL if tag is out of bounds.
*/
tag = SEC_OID_UNKNOWN;
coid = SECOID_FindOIDByTag(tag);
for ( ; coid; coid = SECOID_FindOIDByTag(++tag)) {
if (PORT_Strncasecmp(from, coid->desc, fromLen) == 0) {
break;
}
}
if (coid == NULL) {
/* none found */
return SECFailure;
}
return SECITEM_CopyItem(arena, to, &coid->oid);
}
static SECStatus
AddSubjectAltNames(PLArenaPool *arena, CERTGeneralName **existingListp,
const char *constNames, CERTGeneralNameType type)
{
CERTGeneralName *nameList = NULL;
CERTGeneralName *current = NULL;
PRCList *prev = NULL;
char *cp, *nextName = NULL;
SECStatus rv = SECSuccess;
PRBool readTypeFromName = (PRBool) (type == 0);
char *names = NULL;
if (constNames)
names = PORT_Strdup(constNames);
if (names == NULL) {
return SECFailure;
}
/*
* walk down the comma separated list of names. NOTE: there is
* no sanity checks to see if the email address look like
* email addresses.
*
* Each name may optionally be prefixed with a type: string.
* If it isn't, the type from the previous name will be used.
* If there wasn't a previous name yet, the type given
* as a parameter to this function will be used.
* If the type value is zero (undefined), we'll fail.
*/
for (cp=names; cp; cp=nextName) {
int len;
char *oidString;
char *nextComma;
CERTName *name;
PRStatus status;
unsigned char *data;
PRNetAddr addr;
nextName = NULL;
if (*cp == ',') {
cp++;
}
nextComma = PORT_Strchr(cp, ',');
if (nextComma) {
*nextComma = 0;
nextName = nextComma+1;
}
if ((*cp) == 0) {
continue;
}
if (readTypeFromName) {
char *save=cp;
/* Because we already replaced nextComma with end-of-string,
* a found colon belongs to the current name */
cp = PORT_Strchr(cp, ':');
if (cp) {
*cp = 0;
cp++;
type = CERT_GetGeneralNameTypeFromString(save);
if (*cp == 0) {
continue;
}
} else {
if (type == 0) {
/* no type known yet */
rv = SECFailure;
break;
}
cp = save;
}
}
current = PORT_ArenaZNew(arena, CERTGeneralName);
if (!current) {
rv = SECFailure;
break;
}
current->type = type;
switch (type) {
/* string types */
case certRFC822Name:
case certDNSName:
case certURI:
current->name.other.data =
(unsigned char *) PORT_ArenaStrdup(arena,cp);
current->name.other.len = PORT_Strlen(cp);
break;
/* unformated data types */
case certX400Address:
case certEDIPartyName:
/* turn a string into a data and len */
rv = SECFailure; /* punt on these for now */
fprintf(stderr,"EDI Party Name and X.400 Address not supported\n");
break;
case certDirectoryName:
/* certDirectoryName */
name = CERT_AsciiToName(cp);
if (name == NULL) {
rv = SECFailure;
fprintf(stderr, "Invalid Directory Name (\"%s\")\n", cp);
break;
}
rv = CERT_CopyName(arena,¤t->name.directoryName,name);
CERT_DestroyName(name);
break;
/* types that require more processing */
case certIPAddress:
/* convert the string to an ip address */
status = PR_StringToNetAddr(cp, &addr);
if (status != PR_SUCCESS) {
rv = SECFailure;
fprintf(stderr, "Invalid IP Address (\"%s\")\n", cp);
break;
}
if (PR_NetAddrFamily(&addr) == PR_AF_INET) {
len = sizeof(addr.inet.ip);
data = (unsigned char *)&addr.inet.ip;
} else if (PR_NetAddrFamily(&addr) == PR_AF_INET6) {
len = sizeof(addr.ipv6.ip);
data = (unsigned char *)&addr.ipv6.ip;
} else {
fprintf(stderr, "Invalid IP Family\n");
rv = SECFailure;
break;
}
current->name.other.data = PORT_ArenaAlloc(arena, len);
if (current->name.other.data == NULL) {
rv = SECFailure;
break;
}
current->name.other.len = len;
PORT_Memcpy(current->name.other.data,data, len);
break;
case certRegisterID:
rv = GetOidFromString(arena, ¤t->name.other, cp, strlen(cp));
break;
case certOtherName:
oidString = cp;
cp = PORT_Strchr(cp,';');
if (cp == NULL) {
rv = SECFailure;
fprintf(stderr, "missing name in other name\n");
break;
}
*cp++ = 0;
current->name.OthName.name.data =
(unsigned char *) PORT_ArenaStrdup(arena,cp);
if (current->name.OthName.name.data == NULL) {
rv = SECFailure;
break;
}
current->name.OthName.name.len = PORT_Strlen(cp);
rv = GetOidFromString(arena, ¤t->name.OthName.oid,
oidString, strlen(oidString));
break;
default:
rv = SECFailure;
fprintf(stderr, "Missing or invalid Subject Alternate Name type\n");
break;
}
if (rv == SECFailure) {
break;
}
if (prev) {
current->l.prev = prev;
prev->next = &(current->l);
} else {
nameList = current;
}
prev = &(current->l);
}
PORT_Free(names);
/* at this point nameList points to the head of a doubly linked,
* but not yet circular, list and current points to its tail. */
if (rv == SECSuccess && nameList) {
if (*existingListp != NULL) {
PRCList *existingprev;
/* add nameList to the end of the existing list */
existingprev = (*existingListp)->l.prev;
(*existingListp)->l.prev = &(current->l);
nameList->l.prev = existingprev;
existingprev->next = &(nameList->l);
current->l.next = &((*existingListp)->l);
}
else {
/* make nameList circular and set it as the new existingList */
nameList->l.prev = prev;
current->l.next = &(nameList->l);
*existingListp = nameList;
}
}
return rv;
}
static SECStatus
AddEmailSubjectAlt(PLArenaPool *arena, CERTGeneralName **existingListp,
const char *emailAddrs)
{
return AddSubjectAltNames(arena, existingListp, emailAddrs,
certRFC822Name);
}
static SECStatus
AddDNSSubjectAlt(PLArenaPool *arena, CERTGeneralName **existingListp,
const char *dnsNames)
{
return AddSubjectAltNames(arena, existingListp, dnsNames, certDNSName);
}
static SECStatus
AddGeneralSubjectAlt(PLArenaPool *arena, CERTGeneralName **existingListp,
const char *altNames)
{
return AddSubjectAltNames(arena, existingListp, altNames, 0);
}
static SECStatus
AddBasicConstraint(void *extHandle)
{
CERTBasicConstraints basicConstraint;
SECStatus rv;
char buffer[10];
PRBool yesNoAns;
do {
basicConstraint.pathLenConstraint = CERT_UNLIMITED_PATH_CONSTRAINT;
basicConstraint.isCA = GetYesNo ("Is this a CA certificate [y/N]?");
buffer[0] = '\0';
if (PrintChoicesAndGetAnswer("Enter the path length constraint, "
"enter to skip [<0 for unlimited path]:",
buffer, sizeof(buffer)) == SECFailure) {
GEN_BREAK(SECFailure);
}
if (PORT_Strlen (buffer) > 0)
basicConstraint.pathLenConstraint = PORT_Atoi (buffer);
yesNoAns = GetYesNo ("Is this a critical extension [y/N]?");
rv = SECU_EncodeAndAddExtensionValue(NULL, extHandle,
&basicConstraint, yesNoAns, SEC_OID_X509_BASIC_CONSTRAINTS,
(EXTEN_EXT_VALUE_ENCODER)CERT_EncodeBasicConstraintValue);
} while (0);
return (rv);
}
static SECStatus
AddNameConstraints(void *extHandle)
{
PLArenaPool *arena = NULL;
CERTNameConstraints *constraints = NULL;
CERTNameConstraint *current = NULL;
CERTNameConstraint *last_permited = NULL;
CERTNameConstraint *last_excluded = NULL;
SECStatus rv = SECSuccess;
char buffer[512];
int intValue = 0;
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
if (arena) {
constraints = PORT_ArenaZNew(arena, CERTNameConstraints);
}
if (!arena || ! constraints) {
SECU_PrintError(progName, "out of memory");
return SECFailure;
}
constraints->permited = constraints->excluded = NULL;
do {
current = PORT_ArenaZNew(arena, CERTNameConstraint);
if (!current) {
GEN_BREAK(SECFailure);
}
(void) SEC_ASN1EncodeInteger(arena, ¤t->min, 0);
if (!GetGeneralName(arena, ¤t->name, PR_TRUE)) {
GEN_BREAK(SECFailure);
}
PrintChoicesAndGetAnswer("Type of Name Constraint?\n"
"\t1 - permitted\n\t2 - excluded\n\tAny"
"other number to finish\n\tChoice",
buffer, sizeof(buffer));
intValue = PORT_Atoi(buffer);
switch (intValue) {
case 1:
if (constraints->permited == NULL) {
constraints->permited = last_permited = current;
}
last_permited->l.next = &(current->l);