int get_user_name(SAI cliaddr, char *username)
{
char *cliip;
char *pstr;
char buf[1024];
char key[128];
if (!g_cert_enable)
return 1;
if (username == NULL)
return -1;
cliip = inet_ntoa(cliaddr.sin_addr);
if (!read_cert(buf, sizeof(buf)))
return -1;
if ((pstr = strstr(buf, cliip)) == NULL)
return -1;
sscanf(pstr, "%[^\n]", key);
if ((pstr = strchr(key, '_')) == NULL)
return -1;
sscanf(pstr + 1, "%[^_]", username);
return 1;
}
bool load_user_cert()
{
char * p;
char flag[2];
char buf[1024];
memset(buf, 0x00, sizeof(buf));
if (!read_cert(buf, sizeof(buf)))
{
loginf_out("证书检测: 读取证书配置失败!");
return false;
}
if ((p = strstr(buf, "flag")) == NULL)
{
loginf_out("证书检测: 证书配置文件格式错误!");
return false;
}
sscanf(p + sizeof("flag=")-1, "%[^\n]", flag);
if (atoi(flag) == N_LOAD)
return false;
g_cert_enable = true;
return true;
}
/* Encodes a certificate into DER format */
int cert2der(unsigned char *certbuf, int *certlen, const char *filename)
{
X509 *x = NULL;
unsigned char *next = certbuf;
int ret, len;
/* Get certificate */
ret = read_cert(&x, filename);
if (ret != OPENSSLCA_NO_ERR)
goto err;
/* Encode it */
len = i2d_X509(x, NULL);
if (len < 0) {
ret = OPENSSLCA_ERR_CERT_ENCODE;
goto err;
}
if (len > *certlen) {
ret = OPENSSLCA_ERR_BUF_TOO_SMALL;
goto err;
}
*certlen = len;
i2d_X509(x, &next);
err:
print_err("cert2der()", ret);
if (x)
X509_free(x);
return ret;
}
int main()
{
uint8_t *msg;
return read_cert();
//msg = strtbase64(message, sizeof(message) - 1);
msg = base64_to_str(rev_message, sizeof(rev_message) - 1);
printf("\nout:\n%s\n", msg);
return 0;
}
int main()
{
get_ip_addr(ip);
printf("The ip_addr in softether.c:%s\n", ip);
download_cert(ip);
read_cert(AllString);
printf("The following is a certificate:\n%s\n",AllString);
delete_account_in_data(ip);
establish_socket_connect(ip,AllString);
return 0;
}
bool test_user_cert(SAI cli_addr)
{
char sip[16] = {0};
char buf[1024] = {0};
if ( ! g_cert_enable)
return true;
inet_ntop(AF_INET, &(cli_addr.sin_addr), sip, 15);
if ( ! read_cert(buf, sizeof(buf)))
{
loginf_out("证书检测: 读取证书状态失败!");
return false;
}
if (strstr(buf, sip) == NULL)
return false;
return true;
}
int
main(int argc, char **argv) {
//ENGINE *e = NULL;
int c, host_port = 80, count = 1;
char *host_name, *p, *dir_name = NULL;
char http_string[16384];
struct http_reply reply;
unsigned int n;
unsigned char md[EVP_MAX_MD_SIZE];
struct scep scep_t;
FILE *fp = NULL;
BIO *bp;
STACK_OF(X509) *nextcara = NULL;
X509 *cert=NULL;
PKCS7 p7;
int i;
int required_option_space;
#ifdef WIN32
WORD wVersionRequested;
WSADATA wsaData;
int err;
//printf("Starting sscep\n");
//fprintf(stdout, "%s: starting sscep on WIN32, sscep version %s\n", pname, VERSION);
wVersionRequested = MAKEWORD( 2, 2 );
err = WSAStartup( wVersionRequested, &wsaData );
if ( err != 0 )
{
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
return;
}
/* Confirm that the WinSock DLL supports 2.2.*/
/* Note that if the DLL supports versions greater */
/* than 2.2 in addition to 2.2, it will still return */
/* 2.2 in wVersion since that is the version we */
/* requested. */
if ( LOBYTE( wsaData.wVersion ) != 2 ||
HIBYTE( wsaData.wVersion ) != 2 )
{
/* Tell the user that we could not find a usable */
/* WinSock DLL. */
WSACleanup( );
return;
}
#endif
/* Initialize scep layer */
init_scep();
/* Set program name */
pname = argv[0];
/* Set timeout */
timeout = TIMEOUT;
/* Check operation parameter */
if (!argv[1]) {
usage();
} else if (!strncmp(argv[1], "getca", 5)) {
operation_flag = SCEP_OPERATION_GETCA;
} else if (!strncmp(argv[1], "enroll", 6)) {
operation_flag = SCEP_OPERATION_ENROLL;
} else if (!strncmp(argv[1], "getcert", 7)) {
operation_flag = SCEP_OPERATION_GETCERT;
} else if (!strncmp(argv[1], "getcrl", 6)) {
operation_flag = SCEP_OPERATION_GETCRL;
} else if (!strncmp(argv[1], "getnextca", 9)) {
operation_flag = SCEP_OPERATION_GETNEXTCA;
} else {
fprintf(stderr, "%s: missing or illegal operation parameter\n",
argv[0]);
usage();
}
/* Skip first parameter and parse the rest of the command */
optind++;
while ((c = getopt(argc, argv, "c:C:de:E:f:g:hF:i:k:K:l:L:n:O:p:r:Rs:S:t:T:u:vw:m:HM:")) != -1)
switch(c) {
case 'c':
c_flag = 1;
c_char = optarg;
break;
case 'C':
C_flag = 1;
C_char = optarg;
break;
case 'd':
d_flag = 1;
break;
case 'e':
e_flag = 1;
e_char = optarg;
break;
case 'E':
E_flag = 1;
E_char = optarg;
break;
case 'F':
F_flag = 1;
F_char = optarg;
break;
case 'f':
f_flag = 1;
f_char = optarg;
break;
case 'g':
g_flag = 1;
g_char = optarg;
break;
case 'h'://TODO change to eg. ID --inform=ID
h_flag = 1;
break;
case 'H':
H_flag = 1;
break;
case 'i':
i_flag = 1;
i_char = optarg;
break;
case 'k':
k_flag = 1;
k_char = optarg;
break;
case 'K':
K_flag = 1;
K_char = optarg;
break;
case 'l':
l_flag = 1;
l_char = optarg;
break;
case 'L':
L_flag = 1;
L_char = optarg;
break;
case 'm':
m_flag = 1;
m_char = optarg;
break;
case 'M':
if(!M_flag) {
/* if this is the first time the option appears, create a
* new string.
*/
required_option_space = strlen(optarg) + 1;
M_char = malloc(required_option_space);
if(!M_char)
error_memory();
strncpy(M_char, optarg, required_option_space);
// set the flag, so we already have a string
M_flag = 1;
} else {
/* we already have a string, just extend it. */
// old part + new part + &-sign + null byte
required_option_space = strlen(M_char) + strlen(optarg) + 2;
M_char = realloc(M_char, required_option_space);
if(!M_char)
error_memory();
strncat(M_char, "&", 1);
strncat(M_char, optarg, strlen(optarg));
}
break;
case 'n':
n_flag = 1;
n_num = atoi(optarg);
break;
case 'O':
O_flag = 1;
O_char = optarg;
break;
case 'p':
p_flag = 1;
p_char = optarg;
break;
case 'r':
r_flag = 1;
r_char = optarg;
break;
case 'R':
R_flag = 1;
break;
case 's':
s_flag = 1;
/*s_char = optarg;*/
s_char = handle_serial(optarg);
break;
case 'S':
S_flag = 1;
S_char = optarg;
break;
case 't':
t_flag = 1;
t_num = atoi(optarg);
break;
case 'T':
T_flag = 1;
T_num = atoi(optarg);
break;
case 'u':
u_flag = 1;
url_char = optarg;
break;
case 'v':
v_flag = 1;
break;
case 'w':
w_flag = 1;
w_char = optarg;
break;
default:
printf("argv: %s\n", argv[optind]);
usage();
}
argc -= optind;
argv += optind;
/* If we debug, include verbose messages also */
if (d_flag)
v_flag = 1;
if(f_char){
scep_conf_init(f_char);
}else{
scep_conf = NULL; //moved init to here otherwise compile error on windows
}
/* Read in the configuration file: */
/*if (f_char) {
#ifdef WIN32
if ((fopen_s(&fp, f_char, "r")))
#else
if (!(fp = fopen(f_char, "r")))
#endif
fprintf(stderr, "%s: cannot open %s\n", pname, f_char);
else {
init_config(fp);
(void)fclose(fp);
}
}*/
if (v_flag)
fprintf(stdout, "%s: starting sscep, version %s\n",
pname, VERSION);
/*
* Create a new SCEP transaction and self-signed
* certificate based on cert request
*/
if (v_flag)
fprintf(stdout, "%s: new transaction\n", pname);
new_transaction(&scep_t);
/*enable Engine Support */
if (g_flag) {
scep_t.e = scep_engine_init(scep_t.e);
}
/*
* Check argument logic.
*/
if (!c_flag) {
if (operation_flag == SCEP_OPERATION_GETCA) {
fprintf(stderr,
"%s: missing CA certificate filename (-c)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
} else {
fprintf(stderr,
"%s: missing CA certificate (-c)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (operation_flag == SCEP_OPERATION_GETNEXTCA) {
fprintf(stderr,
"%s: missing nextCA certificate target filename (-c)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
} else {
fprintf(stderr,
"%s: missing nextCA certificate target filename(-c)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
}
if (!C_flag) {
if (operation_flag == SCEP_OPERATION_GETNEXTCA) {
fprintf(stderr,
"%s: missing nextCA certificate chain filename (-C)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
}
if (operation_flag == SCEP_OPERATION_ENROLL) {
if (!k_flag) {
fprintf(stderr, "%s: missing private key (-k)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!r_flag) {
fprintf(stderr, "%s: missing request (-r)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!l_flag) {
fprintf(stderr, "%s: missing local cert (-l)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
/* Set polling limits */
if (!n_flag)
n_num = MAX_POLL_COUNT;
if (!t_flag)
t_num = POLL_TIME;
if (!T_flag)
T_num = MAX_POLL_TIME;
}
if (operation_flag == SCEP_OPERATION_GETCERT) {
if (!l_flag) {
fprintf(stderr, "%s: missing local cert (-l)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!s_flag) {
fprintf(stderr, "%s: missing serial no (-s)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!w_flag) {
fprintf(stderr, "%s: missing cert file (-w)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!k_flag) {
fprintf(stderr, "%s: missing private key (-k)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
}
if (operation_flag == SCEP_OPERATION_GETCRL) {
if (!l_flag) {
fprintf(stderr, "%s: missing local cert (-l)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!w_flag) {
fprintf(stderr, "%s: missing crl file (-w)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (!k_flag) {
fprintf(stderr, "%s: missing private key (-k)\n",pname);
exit (SCEP_PKISTATUS_ERROR);
}
}
/* Break down the URL */
if (!u_flag) {
fprintf(stderr, "%s: missing URL (-u)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (strncmp(url_char, "http://", 7) && !p_flag) {
fprintf(stderr, "%s: illegal URL %s\n", pname, url_char);
exit (SCEP_PKISTATUS_ERROR);
}
if (p_flag) {
#ifdef WIN32
host_name = _strdup(p_char);
#else
host_name = strdup(p_char);
#endif
dir_name = url_char;
}
/* Break down the URL */
if (!u_flag) {
fprintf(stderr, "%s: missing URL (-u)\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (strncmp(url_char, "http://", 7) && !p_flag) {
fprintf(stderr, "%s: illegal URL %s\n", pname, url_char);
exit (SCEP_PKISTATUS_ERROR);
}
if (p_flag) {
#ifdef WIN32
host_name = _strdup(p_char);
#else
host_name = strdup(p_char);
#endif
dir_name = url_char;
}
#ifdef WIN32
else if (!(host_name = _strdup(url_char + 7)))
#else
else if (!(host_name = strdup(url_char + 7)))
#endif
error_memory();
p = host_name;
c = 0;
while (*p != '\0') {
if (*p == '/' && !p_flag && !c) {
*p = '\0';
if (*(p+1)) dir_name = p + 1;
c = 1;
}
if (*p == ':') {
*p = '\0';
if (*(p+1)) host_port = atoi(p+1);
}
p++;
}
if (!dir_name) {
fprintf(stderr, "%s: illegal URL %s\n", pname, url_char);
exit (SCEP_PKISTATUS_ERROR);
}
if (host_port < 1 || host_port > 65550) {
fprintf(stderr, "%s: illegal port number %d\n", pname,
host_port);
exit (SCEP_PKISTATUS_ERROR);
}
if (v_flag) {
fprintf(stdout, "%s: hostname: %s\n", pname, host_name);
fprintf(stdout, "%s: directory: %s\n", pname, dir_name);
fprintf(stdout, "%s: port: %d\n", pname, host_port);
}
/* Check algorithms */
if (!E_flag) {
enc_alg = (EVP_CIPHER *)EVP_des_cbc();
} else if (!strncmp(E_char, "blowfish", 8)) {
enc_alg = (EVP_CIPHER *)EVP_bf_cbc();
} else if (!strncmp(E_char, "des", 3)) {
enc_alg = (EVP_CIPHER *)EVP_des_cbc();
} else if (!strncmp(E_char, "3des", 4)) {
enc_alg = (EVP_CIPHER *)EVP_des_ede3_cbc();
} else if (!strncmp(E_char, "aes", 3)) {
enc_alg = (EVP_CIPHER *)EVP_aes_256_cbc();
} else {
fprintf(stderr, "%s: unsupported algorithm: %s\n",
pname, E_char);
exit (SCEP_PKISTATUS_ERROR);
}
if (!S_flag) {
sig_alg = (EVP_MD *)EVP_md5();
} else if (!strncmp(S_char, "md5", 3)) {
sig_alg = (EVP_MD *)EVP_md5();
} else if (!strncmp(S_char, "sha1", 4)) {
sig_alg = (EVP_MD *)EVP_sha1();
} else {
fprintf(stderr, "%s: unsupported algorithm: %s\n",
pname, S_char);
exit (SCEP_PKISTATUS_ERROR);
}
/* Fingerprint algorithm */
if (!F_flag) {
fp_alg = (EVP_MD *)EVP_md5();
} else if (!strncmp(F_char, "md5", 3)) {
fp_alg = (EVP_MD *)EVP_md5();
} else if (!strncmp(F_char, "sha1", 4)) {
fp_alg = (EVP_MD *)EVP_sha1();
} else {
fprintf(stderr, "%s: unsupported algorithm: %s\n",
pname, F_char);
exit (SCEP_PKISTATUS_ERROR);
}
/*
* Switch to operation specific code
*/
switch(operation_flag) {
case SCEP_OPERATION_GETCA:
if (v_flag)
fprintf(stdout, "%s: SCEP_OPERATION_GETCA\n",
pname);
/* Set CA identifier */
if (!i_flag)
i_char = CA_IDENTIFIER;
/* Forge the HTTP message */
if(!M_flag){
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=GetCACert&message=%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name,
i_char);
}else{
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=GetCACert&message=%s&%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name,
i_char, M_char);
}
if (d_flag){
printf("%s: requesting CA certificate\n", pname);
fprintf(stdout, "%s: scep msg: %s", pname,
http_string);
}
/*
* Send http message.
* Response is written to http_response struct "reply".
*/
reply.payload = NULL;
if ((c = send_msg (&reply, http_string, host_name,
host_port, operation_flag)) == 1) {
fprintf(stderr, "%s: error while sending "
"message\n", pname);
exit (SCEP_PKISTATUS_NET);
}
if (reply.payload == NULL) {
fprintf(stderr, "%s: no data, perhaps you "
"should define CA identifier (-i)\n", pname);
exit (SCEP_PKISTATUS_SUCCESS);
}
if (v_flag){
printf("%s: valid response from server\n", pname);
}
if (reply.type == SCEP_MIME_GETCA_RA) {
/* XXXXXXXXXXXXXXXXXXXXX chain not verified */
write_ca_ra(&reply);
}
/* Read payload as DER X.509 object: */
bp = BIO_new_mem_buf(reply.payload, reply.bytes);
cacert = d2i_X509_bio(bp, NULL);
/* Read and print certificate information */
if (!X509_digest(cacert, fp_alg, md, &n)) {
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
if (v_flag){
printf("%s: %s fingerprint: ", pname,
OBJ_nid2sn(EVP_MD_type(fp_alg)));
for (c = 0; c < (int)n; c++) {
printf("%02X%c",md[c],
(c + 1 == (int)n) ?'\n':':');
}
}
/* Write PEM-formatted file: */
#ifdef WIN32
if ((fopen_s(&fp,c_char , "w")))
#else
if (!(fp = fopen(c_char, "w")))
#endif
{
fprintf(stderr, "%s: cannot open CA file for "
"writing\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (PEM_write_X509(fp, c_char) != 1) {
fprintf(stderr, "%s: error while writing CA "
"file\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
if (v_flag)
printf("%s: CA certificate written as %s\n",
pname, c_char);
(void)fclose(fp);
pkistatus = SCEP_PKISTATUS_SUCCESS;
break;
case SCEP_OPERATION_GETNEXTCA:
if (v_flag)
fprintf(stdout, "%s: SCEP_OPERATION_GETNEXTCA\n",
pname);
/* Set CA identifier */
if (!i_flag)
i_char = CA_IDENTIFIER;
/* Forge the HTTP message */
if(!M_flag){
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=GetNextCACert&message=%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name,
i_char);
}else{
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=GetNextCACert&message=%s&%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name,
i_char, M_char);
}
if (d_flag){
printf("%s: requesting nextCA certificate\n", pname);
fprintf(stdout, "%s: scep msg: %s", pname,
http_string);
}
/*
* Send http message.
* Response is written to http_response struct "reply".
*/
reply.payload = NULL;
if ((c = send_msg (&reply, http_string, host_name,
host_port, operation_flag)) == 1) {
if(v_flag){
fprintf(stderr, "%s: error while sending "
"message\n", pname);
fprintf(stderr, "%s: getnextCA might be not available"
"\n", pname);
}
exit (SCEP_PKISTATUS_NET);
}
if (reply.payload == NULL) {
fprintf(stderr, "%s: no data, perhaps you "
"there is no nextCA available\n", pname);
exit (SCEP_PKISTATUS_SUCCESS);
}
if(d_flag)
printf("%s: valid response from server\n", pname);
if (reply.type == SCEP_MIME_GETNEXTCA) {
/* XXXXXXXXXXXXXXXXXXXXX chain not verified */
//write_ca_ra(&reply);
/* Set the whole struct as 0 */
memset(&scep_t, 0, sizeof(scep_t));
scep_t.reply_payload = reply.payload;
scep_t.reply_len = reply.bytes;
scep_t.request_type = SCEP_MIME_GETNEXTCA;
pkcs7_verify_unwrap(&scep_t , C_char);
//pkcs7_unwrap(&scep_t);
}
/* Get certs */
p7 = *(scep_t.reply_p7);
nextcara = scep_t.reply_p7->d.sign->cert;
if (v_flag) {
printf ("verify and unwrap: found %d cert(s)\n", sk_X509_num(nextcara));
}
for (i = 0; i < sk_X509_num(nextcara); i++) {
char buffer[1024];
char name[1024];
memset(buffer, 0, 1024);
memset(name, 0, 1024);
cert = sk_X509_value(nextcara, i);
if (v_flag) {
printf("%s: found certificate with\n"
" subject: '%s'\n", pname,
X509_NAME_oneline(X509_get_subject_name(cert),
buffer, sizeof(buffer)));
printf(" issuer: %s\n",
X509_NAME_oneline(X509_get_issuer_name(cert),
buffer, sizeof(buffer)));
}
/* Create name */
snprintf(name, 1024, "%s-%d", c_char, i);
/* Write PEM-formatted file: */
if (!(fp = fopen(name, "w"))) {
fprintf(stderr, "%s: cannot open cert file for writing\n",
pname);
exit (SCEP_PKISTATUS_FILE);
}
if (v_flag)
printf("%s: writing cert\n", pname);
if (d_flag)
PEM_write_X509(stdout, cert);
if (PEM_write_X509(fp, cert) != 1) {
fprintf(stderr, "%s: error while writing certificate "
"file\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_FILE);
}
if(v_flag)
printf("%s: certificate written as %s\n", pname, name);
(void)fclose(fp);
}
pkistatus = SCEP_PKISTATUS_SUCCESS;
break;
case SCEP_OPERATION_GETCERT:
case SCEP_OPERATION_GETCRL:
/* Read local certificate */
if (!l_flag) {
fprintf(stderr, "%s: missing local cert (-l)\n", pname);
exit (SCEP_PKISTATUS_FILE);
}
read_cert(&localcert, l_char);
case SCEP_OPERATION_ENROLL:
/*
* Read in CA cert, private key and certificate
* request in global variables.
*/
read_ca_cert();
if (!k_flag) {
fprintf(stderr, "%s: missing private key (-k)\n", pname);
exit (SCEP_PKISTATUS_FILE);
}
if(scep_conf != NULL) {
sscep_engine_read_key_new(&rsa, k_char, scep_t.e);
} else {
read_key(&rsa, k_char);
}
if ((K_flag && !O_flag) || (!K_flag && O_flag)) {
fprintf(stderr, "%s: -O also requires -K (and vice-versa)\n", pname);
exit (SCEP_PKISTATUS_FILE);
}
if (K_flag) {
//TODO auf hwcrhk prfen?
if(scep_conf != NULL) {
sscep_engine_read_key_old(&renewal_key, K_char, scep_t.e);
} else {
read_key(&renewal_key, K_char);
}
}
if (O_flag) {
read_cert(&renewal_cert, O_char);
}
if (operation_flag == SCEP_OPERATION_ENROLL) {
read_request();
scep_t.transaction_id = key_fingerprint(request);
if (v_flag) {
printf("%s: Read request with transaction id: %s\n", pname, scep_t.transaction_id);
}
}
if (operation_flag != SCEP_OPERATION_ENROLL)
goto not_enroll;
if (! O_flag) {
if (v_flag)
fprintf(stdout, "%s: generating selfsigned "
"certificate\n", pname);
new_selfsigned(&scep_t);
}
else {
/* Use existing certificate */
scep_t.signercert = renewal_cert;
scep_t.signerkey = renewal_key;
}
/* Write the selfsigned certificate if requested */
if (L_flag) {
/* Write PEM-formatted file: */
#ifdef WIN32
if ((fopen_s(&fp, L_char, "w"))) {
#else
if (!(fp = fopen(L_char, "w"))) {
#endif
fprintf(stderr, "%s: cannot open "
"file for writing\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
if (PEM_write_X509(fp,scep_t.signercert) != 1) {
fprintf(stderr, "%s: error while "
"writing certificate file\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
printf("%s: selfsigned certificate written "
"as %s\n", pname, L_char);
(void)fclose(fp);
}
/* Write issuer name and subject (GetCertInitial): */
if (!(scep_t.ias_getcertinit->subject =
X509_REQ_get_subject_name(request))) {
fprintf(stderr, "%s: error getting subject "
"for GetCertInitial\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
not_enroll:
if (!(scep_t.ias_getcertinit->issuer =
X509_get_issuer_name(cacert))) {
fprintf(stderr, "%s: error getting issuer "
"for GetCertInitial\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
/* Write issuer name and serial (GETC{ert,rl}): */
scep_t.ias_getcert->issuer =
scep_t.ias_getcertinit->issuer;
scep_t.ias_getcrl->issuer =
scep_t.ias_getcertinit->issuer;
if (!(scep_t.ias_getcrl->serial =
X509_get_serialNumber(cacert))) {
fprintf(stderr, "%s: error getting serial "
"for GetCertInitial\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_ERROR);
}
/* User supplied serial number */
if (s_flag) {
BIGNUM *bn;
ASN1_INTEGER *ai;
int len = BN_dec2bn(&bn , s_char);
if (!len || !(ai = BN_to_ASN1_INTEGER(bn, NULL))) {
fprintf(stderr, "%s: error converting serial\n", pname);
ERR_print_errors_fp(stderr);
exit (SCEP_PKISTATUS_SS);
}
scep_t.ias_getcert->serial = ai;
}
break;
}
switch(operation_flag) {
case SCEP_OPERATION_ENROLL:
if (v_flag)
fprintf(stdout,
"%s: SCEP_OPERATION_ENROLL\n", pname);
/* Resum mode: set GetCertInitial */
if (R_flag) {
if (n_num == 0)
exit (SCEP_PKISTATUS_SUCCESS);
printf("%s: requesting certificate (#1)\n",
pname);
scep_t.request_type = SCEP_REQUEST_GETCERTINIT;
count++;
} else {
printf("%s: sending certificate request\n",
pname);
scep_t.request_type = SCEP_REQUEST_PKCSREQ;
}
break;
case SCEP_OPERATION_GETCERT:
if (v_flag)
fprintf(stdout,
"%s: SCEP_OPERATION_GETCERT\n", pname);
scep_t.request_type = SCEP_REQUEST_GETCERT;
printf("%s: requesting certificate\n",pname);
break;
case SCEP_OPERATION_GETCRL:
if (v_flag)
fprintf(stdout,
"%s: SCEP_OPERATION_GETCRL\n", pname);
scep_t.request_type = SCEP_REQUEST_GETCRL;
printf("%s: requesting crl\n",pname);
break;
}
/* Enter polling loop */
while (scep_t.pki_status != SCEP_PKISTATUS_SUCCESS) {
/* create payload */
pkcs7_wrap(&scep_t);
/* URL-encode */
p = url_encode((char *)scep_t.request_payload,
scep_t.request_len);
/*Test mode print SCEP request and don't send it*/
if(m_flag){
/* Write output file : */
#ifdef WIN32
if ((fopen_s(&fp, m_char, "w")))
#else
if (!(fp = fopen(m_char, "w")))
#endif
{
fprintf(stderr, "%s: cannot open output file for "
"writing\n", m_char);
}else
{
printf("%s: writing PEM fomatted PKCS#7\n", pname);
PEM_write_PKCS7(fp, scep_t.request_p7);
}
//printf("Print SCEP Request:\n %s\n",scep_t.request_payload);
return 0;
}
/* Forge the HTTP message */
/* snprintf(http_string, sizeof(http_string),
"GET %s%s?operation="
"PKIOperation&message="
"%s HTTP/1.0\r\n\r\n",
p_flag ? "" : "/", dir_name, p);*/
if(!M_flag){
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=PKIOperation&message=%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name, p);
}else{
snprintf(http_string, sizeof(http_string),
"GET %s%s?operation=PKIOperation&message=%s&%s "
"HTTP/1.0\r\n\r\n", p_flag ? "" : "/", dir_name,p, M_char);
}
if (d_flag)
fprintf(stdout, "%s: scep msg: %s",
pname, http_string);
/* send http */
reply.payload = NULL;
if ((c = send_msg (&reply, http_string, host_name,
host_port, operation_flag)) == 1) {
fprintf(stderr, "%s: error while sending "
"message\n", pname);
exit (SCEP_PKISTATUS_NET);
}
/* Verisign Onsite returns strange reply...
* XXXXXXXXXXXXXXXXXXX */
if ((reply.status == 200) && (reply.payload == NULL)) {
/*
scep_t.pki_status = SCEP_PKISTATUS_PENDING;
break;
*/
exit (SCEP_PKISTATUS_ERROR);
}
printf("%s: valid response from server\n", pname);
/* Check payload */
scep_t.reply_len = reply.bytes;
scep_t.reply_payload = (unsigned char *)reply.payload;
pkcs7_unwrap(&scep_t);
pkistatus = scep_t.pki_status;
switch(scep_t.pki_status) {
case SCEP_PKISTATUS_SUCCESS:
break;
case SCEP_PKISTATUS_PENDING:
/* Check time limits */
if (((t_num * count) >= T_num) ||
(count > n_num)) {
exit (pkistatus);
}
scep_t.request_type =
SCEP_REQUEST_GETCERTINIT;
/* Wait for poll interval */
if (v_flag)
printf("%s: waiting for %d secs\n",
pname, t_num);
sleep(t_num);
printf("%s: requesting certificate "
"(#%d)\n", pname, count);
/* Add counter */
count++;
break;
case SCEP_PKISTATUS_FAILURE:
/* Handle failure */
switch (scep_t.fail_info) {
case SCEP_FAILINFO_BADALG:
exit (SCEP_PKISTATUS_BADALG);
case SCEP_FAILINFO_BADMSGCHK:
exit (SCEP_PKISTATUS_BADMSGCHK);
case SCEP_FAILINFO_BADREQ:
exit (SCEP_PKISTATUS_BADREQ);
case SCEP_FAILINFO_BADTIME:
exit (SCEP_PKISTATUS_BADTIME);
case SCEP_FAILINFO_BADCERTID:
exit (SCEP_PKISTATUS_BADCERTID);
/* Shouldn't be there... */
default:
exit (SCEP_PKISTATUS_ERROR);
}
default:
fprintf(stderr, "%s: unknown "
"pkiStatus\n", pname);
exit (SCEP_PKISTATUS_ERROR);
}
}
/* We got SUCCESS, analyze the reply */
switch (scep_t.request_type) {
/* Local certificate */
case SCEP_REQUEST_PKCSREQ:
case SCEP_REQUEST_GETCERTINIT:
write_local_cert(&scep_t);
break;
/* Other end entity certificate */
case SCEP_REQUEST_GETCERT:
write_other_cert(&scep_t);
break;
break;
/* CRL */
case SCEP_REQUEST_GETCRL:
write_crl(&scep_t);
break;
}
//TODO
//richtiger ort für disable??
// if(e){
// ENGINE_finish(*e);
// ENGINE_free(*e);
// hwEngine = NULL;
// ENGINE_cleanup();
// }
//
return (pkistatus);
}
void
usage() {
fprintf(stdout, "\nsscep version %s\n\n" , VERSION);
fprintf(stdout, "Usage: %s OPERATION [OPTIONS]\n"
"\nAvailable OPERATIONs are\n"
" getca Get CA/RA certificate(s)\n"
" getnextca Get next CA/RA certificate(s)\n"
" enroll Enroll certificate\n"
" getcert Query certificate\n"
" getcrl Query CRL\n"
"\nGeneral OPTIONS\n"
" -u <url> SCEP server URL\n"
" -p <host:port> Use proxy server at host:port\n"
" -M <string> Monitor Information String name=value&name=value ...\n"
" -g Enable Engine support\n"
" -h Keyforme=ID. \n"//TODO
" -f <file> Use configuration file\n"
" -c <file> CA certificate file (write if OPERATION is getca or getnextca)\n"
" -E <name> PKCS#7 encryption algorithm (des|3des|blowfish|aes)\n"
" -S <name> PKCS#7 signature algorithm (md5|sha1)\n"
" -v Verbose operation\n"
" -d Debug (even more verbose operation)\n"
"\nOPTIONS for OPERATION getca are\n"
" -i <string> CA identifier string\n"
" -F <name> Fingerprint algorithm\n"
"\nOPTIONS for OPERATION getnextca are\n"
" -C <file> Local certificate chain file for signature verification in PEM format \n"
" -F <name> Fingerprint algorithm\n"
" -c <file> CA certificate file (write if OPERATION is getca or getnextca)\n"
" -w <file> Write signer certificate in file (optional) \n"
"\nOPTIONS for OPERATION enroll are\n"
" -k <file> Private key file\n"
" -r <file> Certificate request file\n"
" -K <file> Signature private key file, use with -O\n"
" -O <file> Signature certificate (used instead of self-signed)\n"
" -l <file> Write enrolled certificate in file\n"
" -e <file> Use different CA cert for encryption\n"
" -L <file> Write selfsigned certificate in file\n"
" -t <secs> Polling interval in seconds\n"
" -T <secs> Max polling time in seconds\n"
" -n <count> Max number of GetCertInitial requests\n"
" -R Resume interrupted enrollment\n"
"\nOPTIONS for OPERATION getcert are\n"
" -k <file> Private key file\n"
" -l <file> Local certificate file\n"
" -s <number> Certificate serial number\n"
" -w <file> Write certificate in file\n"
"\nOPTIONS for OPERATION getcrl are\n"
" -k <file> Private key file\n"
" -l <file> Local certificate file\n"
" -w <file> Write CRL in file\n\n", pname);
exit(0);
}
/* Creates an X509 certificate from a certificate request. */
EXPORT int IssueUserCertificate(unsigned char *certbuf, int *certlen, unsigned char *reqbuf, int reqlen)
{
X509_REQ *req = NULL;
EVP_PKEY *cakey = NULL, *rakey = NULL, *usrkey = NULL;
X509 *cacert = NULL, *racert = NULL, *usrcert = NULL;
X509_NAME *subject = NULL, *issuer = NULL;
unsigned char *p = NULL;
int ret = OPENSSLCA_NO_ERR, len;
if (certbuf == NULL || certlen == NULL || reqbuf == NULL || reqlen == 0)
return OPENSSLCA_ERR_ARGS;
/* Decode request */
if ((req = X509_REQ_new()) == NULL) {
ret = OPENSSLCA_ERR_REQ_NEW;
goto err;
}
p = reqbuf;
if (d2i_X509_REQ(&req, &p, reqlen) == NULL) {
ret = OPENSSLCA_ERR_REQ_DECODE;
goto err;
}
/* Get public key from request */
if ((usrkey = X509_REQ_get_pubkey(req)) == NULL) {
ret = OPENSSLCA_ERR_REQ_GET_PUBKEY;
goto err;
}
if (caIni.verifyRequests) {
/* Get RA's public key */
/* TODO: Validate RA certificate */
ret = read_cert(&racert, CA_PATH(caIni.raCertFile));
if (ret != OPENSSLCA_NO_ERR)
goto err;
if ((rakey = X509_get_pubkey(racert)) == NULL) {
ret = OPENSSLCA_ERR_CERT_GET_PUBKEY;
goto err;
}
/* Verify signature on request */
if (X509_REQ_verify(req, rakey) != 1) {
ret = OPENSSLCA_ERR_REQ_VERIFY;
goto err;
}
}
/* Get CA certificate */
/* TODO: Validate CA certificate */
ret = read_cert(&cacert, CA_PATH(caIni.caCertFile));
if (ret != OPENSSLCA_NO_ERR)
goto err;
/* Get CA private key */
ret = read_key(&cakey, CA_PATH(caIni.caKeyFile), caIni.caKeyPasswd);
if (ret != OPENSSLCA_NO_ERR)
goto err;
/* Create user certificate */
if ((usrcert = X509_new()) == NULL)
return OPENSSLCA_ERR_CERT_NEW;
/* Set version and serial number for certificate */
if (X509_set_version(usrcert, 2) != 1) { /* V3 */
ret = OPENSSLCA_ERR_CERT_SET_VERSION;
goto err;
}
if (ASN1_INTEGER_set(X509_get_serialNumber(usrcert), get_serial()) != 1) {
ret = OPENSSLCA_ERR_CERT_SET_SERIAL;
goto err;
}
/* Set duration for certificate */
if (X509_gmtime_adj(X509_get_notBefore(usrcert), 0) == NULL) {
ret = OPENSSLCA_ERR_CERT_SET_NOTBEFORE;
goto err;
}
if (X509_gmtime_adj(X509_get_notAfter(usrcert), EXPIRE_SECS(caIni.daysTillExpire)) == NULL) {
ret = OPENSSLCA_ERR_CERT_SET_NOTAFTER;
goto err;
}
/* Set public key */
if (X509_set_pubkey(usrcert, usrkey) != 1) {
ret = OPENSSLCA_ERR_CERT_SET_PUBKEY;
goto err;
}
/* Set subject name */
subject = X509_REQ_get_subject_name(req);
if (subject == NULL) {
ret = OPENSSLCA_ERR_REQ_GET_SUBJECT;
goto err;
}
if (X509_set_subject_name(usrcert, subject) != 1) {
ret = OPENSSLCA_ERR_CERT_SET_SUBJECT;
goto err;
}
/* Set issuer name */
issuer = X509_get_issuer_name(cacert);
if (issuer == NULL) {
ret = OPENSSLCA_ERR_CERT_GET_ISSUER;
goto err;
}
if (X509_set_issuer_name(usrcert, issuer) != 1) {
ret = OPENSSLCA_ERR_CERT_SET_ISSUER;
goto err;
}
/* Add extensions */
ret = add_ext(cacert, usrcert);
if (ret != OPENSSLCA_NO_ERR)
goto err;
/* Sign user certificate with CA's private key */
if (!X509_sign(usrcert, cakey, EVP_sha1()))
return OPENSSLCA_ERR_CERT_SIGN;
if (caIni.verifyAfterSign) {
if (X509_verify(usrcert, cakey) != 1) {
ret = OPENSSLCA_ERR_CERT_VERIFY;
goto err;
}
}
#ifdef _DEBUG /* Output certificate in DER and PEM format */
{
FILE *fp = fopen(DBG_PATH("usrcert.der"), "wb");
if (fp != NULL) {
i2d_X509_fp(fp, usrcert);
fclose(fp);
}
fp = fopen(DBG_PATH("usrcert.pem"), "w");
if (fp != NULL) {
X509_print_fp(fp, usrcert);
PEM_write_X509(fp, usrcert);
fclose(fp);
}
}
#endif
/* Encode user certificate into DER format */
len = i2d_X509(usrcert, NULL);
if (len < 0) {
ret = OPENSSLCA_ERR_CERT_ENCODE;
goto err;
}
if (len > *certlen) {
ret = OPENSSLCA_ERR_BUF_TOO_SMALL;
goto err;
}
*certlen = len;
p = certbuf;
i2d_X509(usrcert, &p);
if (caIni.addToIndex)
add_to_index(usrcert);
if (caIni.addToNewCerts)
write_cert(usrcert);
err:
print_err("IssueUserCertificate()", ret);
/* Clean up */
if (cacert)
X509_free(cacert);
if (cakey)
EVP_PKEY_free(cakey);
if (racert)
X509_free(racert);
if (rakey)
EVP_PKEY_free(rakey);
if (req)
X509_REQ_free(req);
if (usrcert != NULL)
X509_free(usrcert);
if (usrkey)
EVP_PKEY_free(usrkey);
return ret;
}
/* Creates an X509 certificate request (2nd stage). */
int MakeCertificateRequest2(unsigned char *reqbuf, int *reqlen, char *x500dn, EVP_PKEY *usrkey)
{
X509 *racert = NULL;
EVP_PKEY *rakey = NULL;
X509_REQ *x = NULL;
X509_NAME *subject = NULL;
unsigned char *p = NULL;
int ret, len;
if (reqbuf == NULL || reqlen == NULL || x500dn == NULL || usrkey == NULL)
return OPENSSLCA_ERR_ARGS;
/* Create new request */
if ((x = X509_REQ_new()) == NULL) {
ret = OPENSSLCA_ERR_REQ_NEW;
goto err;
}
/* Set public key in request */
if (X509_REQ_set_pubkey(x, usrkey) != 1) {
ret = OPENSSLCA_ERR_REQ_SET_PUBKEY;
goto err;
}
/* Set subject name */
subject = X509_REQ_get_subject_name(x);
if (subject == NULL) {
ret = OPENSSLCA_ERR_REQ_GET_SUBJECT;
goto err;
}
ret = dn2subject(x500dn, subject);
if (ret != OPENSSLCA_NO_ERR)
goto err;
if (caIni.signRequests) {
/* Sign request with RA's private key */
ret = read_key(&rakey, CA_PATH(caIni.raKeyFile), caIni.raKeyPasswd);
if (ret != OPENSSLCA_NO_ERR)
goto err;
if (!X509_REQ_sign(x, rakey, EVP_sha1())) {
ret = OPENSSLCA_ERR_REQ_SIGN;
goto err;
}
if (caIni.verifyAfterSign) {
/* Get RA's public key */
/* TODO: Validate RA certificate */
ret = read_cert(&racert, CA_PATH(caIni.raCertFile));
if (ret != OPENSSLCA_NO_ERR)
goto err;
EVP_PKEY_free(rakey);
if ((rakey = X509_get_pubkey(racert)) == NULL) {
ret = OPENSSLCA_ERR_CERT_GET_PUBKEY;
goto err;
}
/* Verify signature on request */
if (X509_REQ_verify(x, rakey) != 1) {
ret = OPENSSLCA_ERR_REQ_VERIFY;
goto err;
}
}
}
#ifdef _DEBUG /* Output request in PEM format */
{
FILE *fp = fopen(DBG_PATH("request.pem"), "w");
if (fp != NULL) {
X509_REQ_print_fp(fp, x);
PEM_write_X509_REQ(fp, x);
fclose(fp);
}
}
#endif
/* Encode request into DER format */
len = i2d_X509_REQ(x, NULL);
if (len < 0) {
ret = OPENSSLCA_ERR_REQ_ENCODE;
goto err;
}
if (len > *reqlen) {
ret = OPENSSLCA_ERR_BUF_TOO_SMALL;
goto err;
}
*reqlen = len;
p = reqbuf;
i2d_X509_REQ(x, &p);
err:
if (racert)
X509_free(racert);
if (rakey)
EVP_PKEY_free(rakey);
if (x)
X509_REQ_free(x);
return ret;
}
int main(int argc, char* argv[])
{
char* hostname = NULL;
char* certfile = NULL;
char* reqfile = NULL;
int check_exp = 0;
int match_name = 0;
int usage = 1;
int selector = 0;
int match_type = 1;
int c = 0;
int par_error = 0;
char* proto[2] = { "tcp", "udp" };
int proto_sel = -1;
int port = 0;
int rv = 0;
int use_type52 = 0;
int be_quiet = 0;
cert_ctx crt = { 0 };
req_ctx req = { 0 };
while ((c = getopt(argc, argv, "n:c:eMr:u:s:m:p:P:tqhv")) != -1)
{
switch(c)
{
case 'h':
show_usage();
return 0;
case 'v':
show_version();
return 0;
case 'n':
hostname = strdup(optarg);
break;
case 'c':
certfile = strdup(optarg);
break;
case 'r':
reqfile = strdup(optarg);
break;
case 'e':
check_exp = 1;
break;
case 'M':
match_name = 1;
break;
case 'u':
usage = atoi(optarg);
if ((usage < 0) || (usage > 3))
{
fprintf(stderr, "Invalid certificate usage (%d) specified\n", usage);
par_error = 1;
}
break;
case 's':
selector = atoi(optarg);
if ((selector < 0) || (selector > 1))
{
fprintf(stderr, "Invalid selector (%d) specified\n", selector);
par_error = 1;
}
break;
case 'm':
match_type = atoi(optarg);
if ((match_type < 1) || (match_type > 2))
{
fprintf(stderr, "Invalid match type (%d) specified\n", match_type);
par_error = 1;
}
break;
case 'p':
port = atoi(optarg);
break;
case 'P':
if (!strcasecmp(optarg, "tcp"))
{
proto_sel = 0;
}
else if (!strcasecmp(optarg, "udp"))
{
proto_sel = 1;
}
else
{
fprintf(stderr, "Invalid protocol %s specified!\n", optarg);
par_error = 1;
}
break;
case 't':
use_type52 = 1;
break;
case 'q':
be_quiet = 1;
break;
default:
break;
}
}
/* Check parameters */
if (!hostname)
{
fprintf(stderr, "Mandatory parameter -n <hostname> missing!\n\n");
par_error = 1;
}
if (!certfile)
{
fprintf(stderr, "Mandatory parameter -c <certfile> missing!\n\n");
par_error = 1;
}
if ((usage < 0) || (usage > 3))
{
fprintf(stderr, "Unknown DANE certificate usage %d!\n\n", usage);
par_error = 1;
}
if ((selector < 0) || (selector > 1))
{
fprintf(stderr, "Unknown DANE certificate selector %d!\n\n", selector);
par_error = 1;
}
if ((match_type < 1) || (match_type > 2))
{
fprintf(stderr, "Unknown or unsupported DANE matching type %d!\n\n", match_type);
par_error = 1;
}
if ((port < 1) || (port > 65535))
{
fprintf(stderr, "Invalid (%d) or no port specified!\n\n", port);
par_error = 1;
}
if (proto_sel == -1)
{
fprintf(stderr, "No protocol specified!\n\n");
par_error = 1;
}
if (par_error)
{
show_usage();
free(hostname);
free(certfile);
free(reqfile);
return -1;
}
/* Process the request */
/* Load the certificate */
init_cert_ctx(&crt);
if (read_cert(&crt, certfile) != 0)
{
fprintf(stderr, "Failed to read X.509 certificate from %s\n", certfile);
return -1;
}
/* Load the certificate request if necessary */
init_req_ctx(&req);
if (reqfile)
{
if (read_req(&req, reqfile) != 0)
{
fprintf(stderr, "Failed to read CSR from %s\n", reqfile);
return -1;
}
}
/* Output the TLSA record */
if (use_type52)
{
printf("_%d._%s.%s.\tIN\tTYPE52\t\\# %d %02X%02X%02X%s\n",
port,
proto[proto_sel],
hostname,
(match_type == 1) ? 35 : 67,
usage,
selector,
match_type,
(match_type == 1) ? cert_get_sha256_hash(&crt, selector) :
cert_get_sha512_hash(&crt, selector));
}
else
{
printf("_%d._%s.%s.\tIN\tTLSA\t%d %d %d %s\n",
port,
proto[proto_sel],
hostname,
usage,
selector,
match_type,
(match_type == 1) ? cert_get_sha256_hash(&crt, selector) :
cert_get_sha512_hash(&crt, selector));
}
/* Perform expiration check if requested */
if (check_exp)
{
rv |= cert_is_valid(&crt, be_quiet);
}
/* Perform name match check if requested */
if (match_name)
{
rv |= cert_matches_name(&crt, hostname, be_quiet);
}
if (reqfile != NULL)
{
/* Perform CSR match if requested */
rv |= cert_matches_req(&crt, &req, be_quiet);
}
free_cert_ctx(&crt);
free_req_ctx(&req);
free(hostname);
free(certfile);
free(reqfile);
return rv;
}
