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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
/*
* pk1sign
*/
#include "nspr.h"
#include "plgetopt.h"
#include "secutil.h"
#include "secpkcs7.h"
#include "cert.h"
#include "certdb.h"
#include "sechash.h" /* for HASH_GetHashObject() */
#include "nss.h"
#include "pk11func.h"
#include "cryptohi.h"
#include "plbase64.h"
#if defined(XP_UNIX)
#include <unistd.h>
#endif
#include <stdio.h>
#include <string.h>
#if (defined(XP_WIN) && !defined(WIN32)) || (defined(__sun) && !defined(SVR4))
extern int fread(char *, size_t, size_t, FILE *);
extern int fwrite(char *, size_t, size_t, FILE *);
extern int fprintf(FILE *, char *, ...);
#endif
static secuPWData pwdata = { PW_NONE, 0 };
SEC_ASN1_MKSUB(SECOID_AlgorithmIDTemplate)
SEC_ASN1Template CERTSignatureDataTemplate[] = {
{ SEC_ASN1_SEQUENCE,
0, NULL, sizeof(CERTSignedData) },
{ SEC_ASN1_INLINE,
offsetof(CERTSignedData, signatureAlgorithm),
SEC_ASN1_SUB(SECOID_AlgorithmIDTemplate) },
{ SEC_ASN1_BIT_STRING,
offsetof(CERTSignedData, signature) },
{ 0 }
};
static void
Usage(char *progName)
{
fprintf(stderr,
"Usage: %s -k keyname [-d keydir] [-i input] [-o output]\n",
progName);
fprintf(stderr, "%-20s Nickname of key to use for signature\n",
"-k keyname");
fprintf(stderr, "%-20s Key database directory (default is ~/.netscape)\n",
"-d keydir");
fprintf(stderr, "%-20s Define an input file to use (default is stdin)\n",
"-i input");
fprintf(stderr, "%-20s Define an output file to use (default is stdout)\n",
"-o output");
fprintf(stderr, "%-20s Password to the key databse\n", "-p");
fprintf(stderr, "%-20s password file\n", "-f");
exit(-1);
}
static int
ExportPublicKey(FILE *outFile, CERTCertificate *cert)
{
char *data;
SECKEYPublicKey *publicKey;
SECItem *item;
if (!cert)
return -1;
publicKey = CERT_ExtractPublicKey(cert);
if (!publicKey)
return -1;
item = SECKEY_EncodeDERSubjectPublicKeyInfo(publicKey);
SECKEY_DestroyPublicKey(publicKey);
if (!item)
return -1;
data = PL_Base64Encode((const char *)item->data, item->len, NULL);
SECITEM_FreeItem(item, PR_TRUE);
if (!data)
return -1;
fputs("pubkey:\n", outFile);
fputs(data, outFile);
fputs("\n", outFile);
PR_Free(data);
return 0;
}
static int
SignFile(FILE *outFile, PRFileDesc *inFile, CERTCertificate *cert)
{
SECItem data2sign;
SECStatus rv;
SECOidTag algID;
CERTSignedData sd;
SECKEYPrivateKey *privKey = NULL;
char *data = NULL;
PLArenaPool *arena = NULL;
SECItem *result = NULL;
int returnValue = 0;
if (outFile == NULL || inFile == NULL || cert == NULL) {
return -1;
}
/* suck the file in */
if (SECU_ReadDERFromFile(&data2sign, inFile, PR_FALSE,
PR_FALSE) != SECSuccess) {
return -1;
}
privKey = NULL;
privKey = PK11_FindKeyByAnyCert(cert, NULL);
if (!privKey) {
returnValue = -1;
goto loser;
}
algID = SEC_GetSignatureAlgorithmOidTag(privKey->keyType, SEC_OID_SHA1);
if (algID == SEC_OID_UNKNOWN) {
returnValue = -1;
goto loser;
}
arena = PORT_NewArena(DER_DEFAULT_CHUNKSIZE);
PORT_Memset(&sd, 0, sizeof(CERTSignedData));
rv = SEC_SignData(&(sd.signature), data2sign.data, data2sign.len, privKey, algID);
if (rv != SECSuccess) {
fprintf(stderr, "Could not sign.\n");
returnValue = -1;
goto loser;
}
sd.signature.len = sd.signature.len << 3;
rv = SECOID_SetAlgorithmID(arena, &sd.signatureAlgorithm, algID, 0);
if (rv != SECSuccess) {
fprintf(stderr, "Could not set alg id.\n");
returnValue = -1;
goto loser;
}
result = SEC_ASN1EncodeItem(arena, NULL, &sd, CERTSignatureDataTemplate);
SECITEM_FreeItem(&(sd.signature), PR_FALSE);
if (!result) {
fprintf(stderr, "Could not encode.\n");
returnValue = -1;
goto loser;
}
data = PL_Base64Encode((const char *)result->data, result->len, NULL);
if (!data) {
returnValue = -1;
goto loser;
}
fputs("signature:\n", outFile);
fputs(data, outFile);
fputs("\n", outFile);
ExportPublicKey(outFile, cert);
loser:
if (privKey) {
SECKEY_DestroyPrivateKey(privKey);
}
if (data) {
PR_Free(data);
}
PORT_FreeArena(arena, PR_FALSE);
return returnValue;
}
int
main(int argc, char **argv)
{
char *progName;
FILE *outFile;
PRFileDesc *inFile;
char *keyName = NULL;
CERTCertDBHandle *certHandle;
CERTCertificate *cert = NULL;
PLOptState *optstate;
PLOptStatus status;
SECStatus rv;
progName = strrchr(argv[0], '/');
progName = progName ? progName + 1 : argv[0];
inFile = NULL;
outFile = NULL;
keyName = NULL;
/*
* Parse command line arguments
*/
optstate = PL_CreateOptState(argc, argv, "ed:k:i:o:p:f:");
while ((status = PL_GetNextOpt(optstate)) == PL_OPT_OK) {
switch (optstate->option) {
case '?':
Usage(progName);
break;
case 'd':
SECU_ConfigDirectory(optstate->value);
break;
case 'i':
inFile = PR_Open(optstate->value, PR_RDONLY, 0);
if (!inFile) {
fprintf(stderr, "%s: unable to open \"%s\" for reading\n",
progName, optstate->value);
return -1;
}
break;
case 'k':
keyName = strdup(optstate->value);
break;
case 'o':
outFile = fopen(optstate->value, "wb");
if (!outFile) {
fprintf(stderr, "%s: unable to open \"%s\" for writing\n",
progName, optstate->value);
return -1;
}
break;
case 'p':
pwdata.source = PW_PLAINTEXT;
pwdata.data = strdup(optstate->value);
break;
case 'f':
pwdata.source = PW_FROMFILE;
pwdata.data = PORT_Strdup(optstate->value);
break;
}
}
if (!keyName)
Usage(progName);
if (!inFile)
inFile = PR_STDIN;
if (!outFile)
outFile = stdout;
/* Call the initialization routines */
PR_Init(PR_SYSTEM_THREAD, PR_PRIORITY_NORMAL, 1);
rv = NSS_Init(SECU_ConfigDirectory(NULL));
if (rv != SECSuccess) {
SECU_PrintPRandOSError(progName);
goto loser;
}
PK11_SetPasswordFunc(SECU_GetModulePassword);
/* open cert database */
certHandle = CERT_GetDefaultCertDB();
if (certHandle == NULL) {
rv = SECFailure;
goto loser;
}
/* find cert */
cert = CERT_FindCertByNickname(certHandle, keyName);
if (cert == NULL) {
SECU_PrintError(progName,
"the corresponding cert for key \"%s\" does not exist",
keyName);
rv = SECFailure;
goto loser;
}
if (SignFile(outFile, inFile, cert)) {
SECU_PrintError(progName, "problem signing data");
rv = SECFailure;
goto loser;
}
loser:
if (pwdata.data) {
PORT_Free(pwdata.data);
}
if (keyName) {
PORT_Free(keyName);
}
if (cert) {
CERT_DestroyCertificate(cert);
}
if (inFile && inFile != PR_STDIN) {
PR_Close(inFile);
}
if (outFile && outFile != stdout) {
fclose(outFile);
}
if (NSS_Shutdown() != SECSuccess) {
SECU_PrintError(progName, "NSS shutdown:");
exit(1);
}
return (rv != SECSuccess);
}