TclTLS
Changes On Branch 10bcd4c88f0314ff
Login
HomeTimelineDownloadBrowse SourceBranchesTagsTicketsWiki
Hide Diff Patch Unified Diff

Changes In Branch status_x509 Through [10bcd4c88f] Excluding Merge-Ins

This is equivalent to a diff from dbe759a0f2 to 10bcd4c88f

2023-09-01
21:57
Merged status and X509 updates branch into master check-in: 3432ab03a3 user: bohagan tags: trunk
2023-08-12
03:34
Refactored X509 code to consolidate like functions, eliminate many buffers, etc Added function BIO_to_Buffer to consolidate copy BIO data to buffer. Moved get all data and certificate to end of function. check-in: a1bcda35b1 user: bohagan tags: status_x509
2023-08-10
03:16
Reordered get parameters in Tls_NewX509Obj to follow RFC 5280 section order. Added get self issued, Key usage, Extended Key usage, and purpose values. Added more comments, optimized code, etc. check-in: 10bcd4c88f user: bohagan tags: status_x509
2023-08-07
03:27
Added Issuer Alt Name to X509 status, refactored get SAN and CRL check-in: 35be4894ce user: bohagan tags: status_x509
2023-07-30
03:39
Merged master into branch check-in: 739742d3d4 user: bohagan tags: status_x509
03:21
Merged errors_and_callbacks branch into master check-in: dbe759a0f2 user: bohagan tags: trunk
02:53
Updated default callbacks in tls.tcl file Leaf check-in: cdb51c799e user: bohagan tags: errors_and_callbacks
2023-07-16
15:05
Merge status and X509 updates branch check-in: 1924dcd361 user: bohagan tags: trunk

Modified doc/tls.html from [3c88bc4018] to [9494c1c42e].

︙︙
252
253
254
255
256
257
258
259
260





261
262
263
264
265
266
267
268

	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>sbits</strong> <em>n</em></dt>
	<dd>The number of bits used for the session key.</dd>
	<dt><strong>signatureHashAlgorithm</strong> <em>algorithm</em></dt>
	<dd>The signature hash algorithm.</dd>
	<dt><strong>signature_type</strong> <em>type</em></dt>
	<dd>The signature type value.</dd>





	<dt><strong>verification</strong> <em>result</em></dt>
	<dd>Certificate verification result.</dd>
	<dt><strong>ca_names</strong> <em>list</em></dt>
	<dd>List of the Certificate Authorities used to create the certificate.</dd>
    </dl>
</blockquote>
<blockquote>
	<b>Certificate Status</b>








|

>
>
>
>
>
|








252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273

	<dt><strong>protocol</strong> <em>version</em></dt>
	<dd>The protocol version used for the connection:
	    SSL2, SSL3, TLS1, TLS1.1, TLS1.2, TLS1.3, or unknown.</dd>
	<dt><strong>sbits</strong> <em>n</em></dt>
	<dd>The number of bits used for the session key.</dd>
	<dt><strong>signatureHashAlgorithm</strong> <em>algorithm</em></dt>
	<dd>The signature hash algorithm.</dd>
	<dt><strong>signatureType</strong> <em>type</em></dt>
	<dd>The signature type value.</dd>
	<dt><strong>verifyDepth</strong> <em>n</em></dt>
	<dd>Maximum depth for the certificate chain verification.
	    Default is -1, to check all.</dd>
	<dt><strong>verifyMode</strong> <em>list</em></dt>
	<dd>List of certificate verification modes.</dd>
	<dt><strong>verifyResult</strong> <em>result</em></dt>
	<dd>Certificate verification result.</dd>
	<dt><strong>ca_names</strong> <em>list</em></dt>
	<dd>List of the Certificate Authorities used to create the certificate.</dd>
    </dl>
</blockquote>
<blockquote>
	<b>Certificate Status</b>
︙︙

Modified generic/tls.c from [b314eff29c] to [5b3a9ccd27].

︙︙
2070
2071
2072
2073
2074
2075
2076

2077
2078
2079



2080
2081
2082
2083
2084
2085
2086
2087


2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108




























2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130


    /* Get certificate for peer or self */
    if (objc == 2) {
	peer = SSL_get_peer_certificate(statePtr->ssl);
    } else {
	peer = SSL_get_certificate(statePtr->ssl);
    }

    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
	if (objc == 2) { X509_free(peer); }



    } else {
	objPtr = Tcl_NewListObj(0, NULL);
    }

    /* Peer cert chain (client only) */
    STACK_OF(X509)* ssl_certs = SSL_get_peer_cert_chain(statePtr->ssl);
    if (!peer && (ssl_certs == NULL || sk_X509_num(ssl_certs) == 0)) {
	Tcl_SetErrorCode(interp, "TLS", "STATUS", "CERTIFICATE", (char *) NULL);


	return TCL_ERROR;
    }

    /* Peer name from cert */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("peername", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get0_peername(statePtr->ssl), -1));

    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("sbits", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_get_cipher_bits(statePtr->ssl, NULL)));

    ciphers = (char*)SSL_get_cipher(statePtr->ssl);
    if ((ciphers != NULL) && (strcmp(ciphers, "(NONE)") != 0)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(ciphers, -1));
    }

    /* Verify the X509 certificate presented by the peer */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verification", -1));
    Tcl_ListObjAppendElement(interp, objPtr,
	Tcl_NewStringObj(X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)), -1));





























    /* Report the selected protocol as a result of the negotiation */
    SSL_get0_alpn_selected(statePtr->ssl, &proto, &len);
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("alpn", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj((char *)proto, (int) len));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("protocol", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get_version(statePtr->ssl), -1));

    /* Valid for non-RSA signature and TLS 1.3 */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signatureHashAlgorithm", -1));
    if (objc == 2 ? SSL_get_peer_signature_nid(statePtr->ssl, &nid) : SSL_get_signature_nid(statePtr->ssl, &nid)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1));
    } else {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1));
    }
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signature_type", -1));
    if (objc == 2 ? SSL_get_peer_signature_type_nid(statePtr->ssl, &nid) : SSL_get_signature_type_nid(statePtr->ssl, &nid)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1));
    } else {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1));
    }

    Tcl_SetObjResult(interp, objPtr);








>


|
>
>
>






|

>
>



|













|



>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>














|








2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164


    /* Get certificate for peer or self */
    if (objc == 2) {
	peer = SSL_get_peer_certificate(statePtr->ssl);
    } else {
	peer = SSL_get_certificate(statePtr->ssl);
    }
    /* Get X509 certificate info */
    if (peer) {
	objPtr = Tls_NewX509Obj(interp, peer);
	if (objc == 2) {
	    X509_free(peer);
	    peer = NULL;
	}
    } else {
	objPtr = Tcl_NewListObj(0, NULL);
    }

    /* Peer cert chain (client only) */
    STACK_OF(X509)* ssl_certs = SSL_get_peer_cert_chain(statePtr->ssl);
    if (ssl_certs == NULL || sk_X509_num(ssl_certs) == 0) {
	Tcl_SetErrorCode(interp, "TLS", "STATUS", "CERTIFICATE", (char *) NULL);
	Tcl_IncrRefCount(objPtr);
	Tcl_DecrRefCount(objPtr);
	return TCL_ERROR;
    }

    /* Peer name */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("peername", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get0_peername(statePtr->ssl), -1));

    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("sbits", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_get_cipher_bits(statePtr->ssl, NULL)));

    ciphers = (char*)SSL_get_cipher(statePtr->ssl);
    if ((ciphers != NULL) && (strcmp(ciphers, "(NONE)") != 0)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(ciphers, -1));
    }

    /* Verify the X509 certificate presented by the peer */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyResult", -1));
    Tcl_ListObjAppendElement(interp, objPtr,
	Tcl_NewStringObj(X509_verify_cert_error_string(SSL_get_verify_result(statePtr->ssl)), -1));

    /* Verify mode */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyMode", -1));
    /* SSL_CTX_get_verify_mode(ctx) */
    mode = SSL_get_verify_mode(statePtr->ssl);
    if (mode && SSL_VERIFY_NONE) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("none", -1));
    } else {
	Tcl_Obj *listObjPtr = Tcl_NewListObj(0, NULL);
	if (mode && SSL_VERIFY_PEER) {
	    Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("peer", -1));
	}
	if (mode && SSL_VERIFY_FAIL_IF_NO_PEER_CERT) {
	    Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("fail if no peer cert", -1));
	}
	if (mode && SSL_VERIFY_CLIENT_ONCE) {
	    Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("client once", -1));
	}
	if (mode && SSL_VERIFY_POST_HANDSHAKE) {
	    Tcl_ListObjAppendElement(interp, listObjPtr, Tcl_NewStringObj("post handshake", -1));
	}
	Tcl_ListObjAppendElement(interp, objPtr, listObjPtr);
    }

    /* Verify mode depth */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("verifyDepth", -1));
    /* SSL_CTX_get_verify_depth(ctx) */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(SSL_get_verify_depth(statePtr->ssl)));

    /* Report the selected protocol as a result of the negotiation */
    SSL_get0_alpn_selected(statePtr->ssl, &proto, &len);
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("alpn", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj((char *)proto, (int) len));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("protocol", -1));
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_get_version(statePtr->ssl), -1));

    /* Valid for non-RSA signature and TLS 1.3 */
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signatureHashAlgorithm", -1));
    if (objc == 2 ? SSL_get_peer_signature_nid(statePtr->ssl, &nid) : SSL_get_signature_nid(statePtr->ssl, &nid)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1));
    } else {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1));
    }
    Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("signatureType", -1));
    if (objc == 2 ? SSL_get_peer_signature_type_nid(statePtr->ssl, &nid) : SSL_get_signature_type_nid(statePtr->ssl, &nid)) {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(OBJ_nid2ln(nid), -1));
    } else {
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("", -1));
    }

    Tcl_SetObjResult(interp, objPtr);
︙︙
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232


	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_name(cipher), -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("standard_name", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_standard_name(cipher), -1));

	bits = SSL_CIPHER_get_bits(cipher, &alg_bits);
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("bits", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(bits));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("secret_bits", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(alg_bits));
	/* alg_bits is actual key secret bits. If use bits and secret (algorithm) bits differ,
	   the rest of the bits are fixed, i.e. for limited export ciphers (bits < 56) */
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("min_version", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_version(cipher), -1));

	/* Get OpenSSL-specific ID, not IANA ID */








|

|








2250
2251
2252
2253
2254
2255
2256
2257
2258
2259
2260
2261
2262
2263
2264
2265
2266


	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("cipher", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_name(cipher), -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("standard_name", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_standard_name(cipher), -1));

	bits = SSL_CIPHER_get_bits(cipher, &alg_bits);
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("secret_bits", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(bits));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("algorithm_bits", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewIntObj(alg_bits));
	/* alg_bits is actual key secret bits. If use bits and secret (algorithm) bits differ,
	   the rest of the bits are fixed, i.e. for limited export ciphers (bits < 56) */
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj("min_version", -1));
	Tcl_ListObjAppendElement(interp, objPtr, Tcl_NewStringObj(SSL_CIPHER_get_version(cipher), -1));

	/* Get OpenSSL-specific ID, not IANA ID */
︙︙

Modified generic/tlsIO.c from [ede520a139] to [55240df165].

︙︙
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156

	    dprintf("Asked to wait for a TLS handshake that has already failed.  Returning soft error");
	    *errorCodePtr = ECONNRESET;
	}
	return(-1);
    }

    for (;;) {
	/* Not initialized yet! */
	if (statePtr->flags & TLS_TCL_SERVER) {
	    dprintf("Calling SSL_accept()");
	    err = SSL_accept(statePtr->ssl);

	} else {
	    dprintf("Calling SSL_connect()");
	    err = SSL_connect(statePtr->ssl);








|








142
143
144
145
146
147
148
149
150
151
152
153
154
155
156

	    dprintf("Asked to wait for a TLS handshake that has already failed.  Returning soft error");
	    *errorCodePtr = ECONNRESET;
	}
	return(-1);
    }

    for (;;) {
	/* Not initialized yet! Also calls SSL_do_handshake. */
	if (statePtr->flags & TLS_TCL_SERVER) {
	    dprintf("Calling SSL_accept()");
	    err = SSL_accept(statePtr->ssl);

	} else {
	    dprintf("Calling SSL_connect()");
	    err = SSL_connect(statePtr->ssl);
︙︙

Modified generic/tlsX509.c from [4adcfb41ce] to [f0d516f0c1].

︙︙
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79

}

static int max(int a, int b)
{
    return (a > b) ? a : b;
}

/*
 * ASN1_UTCTIME_tostr --
 */
static char *
ASN1_UTCTIME_tostr(ASN1_UTCTIME *tm)
{
    static char bp[128];
    char *v;
    int gmt=0;
    static char *mon[12]={
        "Jan","Feb","Mar","Apr","May","Jun", "Jul","Aug","Sep","Oct","Nov","Dec"};
    int i;
    int y=0,M=0,d=0,h=0,m=0,s=0;

    i=tm->length;
    v=(char *)tm->data;

    if (i < 10) goto err;
    if (v[i-1] == 'Z') gmt=1;
    for (i=0; i<10; i++)
        if ((v[i] > '9') || (v[i] < '0')) goto err;
    y= (v[0]-'0')*10+(v[1]-'0');
    if (y < 70) y+=100;
    M= (v[2]-'0')*10+(v[3]-'0');
    if ((M > 12) || (M < 1)) goto err;
    d= (v[4]-'0')*10+(v[5]-'0');
    h= (v[6]-'0')*10+(v[7]-'0');
    m=  (v[8]-'0')*10+(v[9]-'0');
    if ((v[10] >= '0') && (v[10] <= '9') && (v[11] >= '0') && (v[11] <= '9'))
        s=  (v[10]-'0')*10+(v[11]-'0');

    sprintf(bp,"%s %2d %02d:%02d:%02d %d%s", mon[M-1],d,h,m,s,y+1900,(gmt)?" GMT":"");
    return bp;
 err:
    return "Bad time value";
}

/*
 * Binary string to hex string
 */
int String_to_Hex(char* input, int len, char *output, int max) {
    int count = 0;

    for (int i = 0; i < len && count < max - 1; i++, count += 2) {








<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<








29
30
31
32
33
34
35





































36
37
38
39
40
41
42

}

static int max(int a, int b)
{
    return (a > b) ? a : b;
}






































/*
 * Binary string to hex string
 */
int String_to_Hex(char* input, int len, char *output, int max) {
    int count = 0;

    for (int i = 0; i < len && count < max - 1; i++, count += 2) {
︙︙
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125


126
127
128
129
130
131



132
133
134
135

136
137
138
139
140
141


142
143
144
145
146
147


148
149
150
151
152
153

154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186




187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
































































































































































































































































































































































































































392
393
394

 *
 *	Tls_NewX509Obj --
 *
 *	------------------------------------------------*
 *	Converts a X509 certificate into a Tcl_Obj
 *	------------------------------------------------*
 *
 *	Sideeffects:
 *		None
 *
 *	Result:
 *		A Tcl List Object representing the provided
 *		X509 certificate.
 *
 *------------------------------------------------------*
 */

#define CERT_STR_SIZE 32768

Tcl_Obj*
Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert) {
    Tcl_Obj *certPtr = Tcl_NewListObj(0, NULL);
    BIO *bio;
    int n;
    unsigned long flags;
    char subject[BUFSIZ];
    char issuer[BUFSIZ];
    char serial[BUFSIZ];
    char notBefore[BUFSIZ];
    char notAfter[BUFSIZ];
    char buffer[BUFSIZ];
    char certStr[CERT_STR_SIZE], *certStr_p;
    int certStr_len, toRead;
    unsigned char sha1_hash_binary[SHA_DIGEST_LENGTH];
    unsigned char sha256_hash_binary[SHA256_DIGEST_LENGTH];
    int nid, pknid, bits, num_of_exts, len;
    uint32_t xflags;
    STACK_OF(GENERAL_NAME) *san;



    certStr[0] = 0;
    if ((bio = BIO_new(BIO_s_mem())) == NULL) {
	subject[0] = 0;
	issuer[0]  = 0;
	serial[0]  = 0;



    } else {
	flags = XN_FLAG_RFC2253 | ASN1_STRFLGS_UTF8_CONVERT;
	flags &= ~ASN1_STRFLGS_ESC_MSB;


	X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags);
	n = BIO_read(bio, subject, min(BIO_pending(bio), BUFSIZ - 1));
	n = max(n, 0);
	subject[n] = 0;
	(void)BIO_flush(bio);



	X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags);
	n = BIO_read(bio, issuer, min(BIO_pending(bio), BUFSIZ - 1));
	n = max(n, 0);
	issuer[n] = 0;
	(void)BIO_flush(bio);



	i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert));
	n = BIO_read(bio, serial, min(BIO_pending(bio), BUFSIZ - 1));
	n = max(n, 0);
	serial[n] = 0;
	(void)BIO_flush(bio);


        /* Get certificate */
        if (PEM_write_bio_X509(bio, cert)) {
            certStr_p = certStr;
            certStr_len = 0;
            while (1) {
                toRead = min(BIO_pending(bio), CERT_STR_SIZE - certStr_len - 1);
                toRead = min(toRead, BUFSIZ);
                if (toRead == 0) {
                    break;
                }
                dprintf("Reading %i bytes from the certificate...", toRead);
                n = BIO_read(bio, certStr_p, toRead);
                if (n <= 0) {
                    break;
                }
                certStr_len += n;
                certStr_p   += n;
            }
            *certStr_p = '\0';
            (void)BIO_flush(bio);
        }

	/* All */
	if (X509_print_ex(bio, cert, flags, 0)) {
	    char all[65536];
	    n = BIO_read(bio, all, min(BIO_pending(bio), 65535));
	    n = max(n, 0);
	    all[n] = 0;
	    (void)BIO_flush(bio);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("all", -1));
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(all, n));
	}





	BIO_free(bio);
    }

    strcpy(notBefore, ASN1_UTCTIME_tostr(X509_get0_notBefore(cert)));
    strcpy(notAfter, ASN1_UTCTIME_tostr(X509_get0_notAfter(cert)));

    /* Version */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("version", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewLongObj(X509_get_version(cert)+1));

    /* Signature algorithm */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signature", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(X509_get_signature_nid(cert)),-1));
 
    /* SHA1 Fingerprint of cert - DER representation */
    X509_digest(cert, EVP_sha1(), sha1_hash_binary, &len);
    len = String_to_Hex(sha1_hash_binary, len, buffer, BUFSIZ);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha1_hash", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));

    /* SHA256 Fingerprint of cert - DER representation */
    X509_digest(cert, EVP_sha256(), sha256_hash_binary, &len);
    len = String_to_Hex(sha256_hash_binary, len, buffer, BUFSIZ);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha256_hash", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subject", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(subject, -1));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuer", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(issuer, -1));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notBefore", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notBefore, -1));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notAfter", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notAfter, -1));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("serialNumber", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(serial, -1));

    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("certificate", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(certStr, -1));

    num_of_exts = X509_get_ext_count(cert);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("num_extensions", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(num_of_exts));

    /* Information about the signature of certificate cert */
    if (X509_get_signature_info(cert, &nid, &pknid, &bits, &xflags) == 1) {
	ASN1_BIT_STRING *key;

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signingDigest", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(nid),-1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("publicKeyAlgorithm", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(pknid),-1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("bits", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(bits));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extension_flags", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(xflags));
	
	/* Public key - X509_get0_pubkey */
	key = X509_get0_pubkey_bitstr(cert);
	len = String_to_Hex(key->data, key->length, buffer, BUFSIZ);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("publicKey", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
	
	/* Check if cert was issued by CA cert issuer or self signed */
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("self_signed", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewBooleanObj(X509_check_issued(cert, cert) == X509_V_OK));
    }

    /* Unique Ids */
    {
	const ASN1_BIT_STRING *iuid, *suid;
        X509_get0_uids(cert, &iuid, &suid);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerUniqueId", -1));
	if (iuid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, iuid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectUniqueId", -1));
	if (suid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, suid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
    }

    /* Get extensions */
    if (num_of_exts > 0) {
	Tcl_Obj *extsPtr = Tcl_NewListObj(0, NULL);
	const STACK_OF(X509_EXTENSION) *exts;
	exts = X509_get0_extensions(cert);

	for (int i=0; i < num_of_exts; i++) {
	    X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
	    ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
	    unsigned nid2 = OBJ_obj2nid(obj);
	    Tcl_ListObjAppendElement(interp, extsPtr, Tcl_NewStringObj(OBJ_nid2ln(nid2), -1));
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extensions", -1));
	Tcl_ListObjAppendElement(interp, certPtr, extsPtr);
    }

    /* Subject Alternative Name (SAN) extension. Additional host names for a single SSL certificate. */
    san = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
    if (san) {
	Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL);

	for (int i=0; i < sk_GENERAL_NAME_num(san); i++)         {
	    const GENERAL_NAME *name = sk_GENERAL_NAME_value(san, i);
	    size_t len2;

	    if (name) {
		if (name->type == GEN_DNS) {
		    char *dns_name;
		    if ((len2 = ASN1_STRING_to_UTF8(&dns_name, name->d.dNSName)) > 0) {
			Tcl_ListObjAppendElement(interp, namesPtr, Tcl_NewStringObj(dns_name, (int)len2));
			OPENSSL_free (dns_name);
		    }
		} else if (name->type == GEN_IPADD) {
		    /* name->d.iPAddress */
		}
	    }
	}
	sk_GENERAL_NAME_pop_free(san, GENERAL_NAME_free);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectAltName", -1));
	Tcl_ListObjAppendElement(interp, certPtr, namesPtr);
    }

    /* Certificate Alias  */
    {
	unsigned char *bstring;
	len = 0;
	bstring = X509_alias_get0(cert, &len);
	len = String_to_Hex(bstring, len, buffer, BUFSIZ);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("alias", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
    }

    /* Get Subject Key id, Authority Key id */
    {
	ASN1_OCTET_STRING *astring;
	/* X509_keyid_get0 */
	astring = X509_get0_subject_key_id(cert);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectKeyIdentifier", -1));
	if (astring != NULL) {
	    len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj(buffer, len));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}

	astring = X509_get0_authority_key_id(cert);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("authorityKeyIdentifier", -1));
	if (astring != NULL) {
	    len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj(buffer, len));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
	
	/*  const GENERAL_NAMES *X509_get0_authority_issuer(cert);
	const ASN1_INTEGER *X509_get0_authority_serial(cert); */
    }

    /* Get OSCP URL */
    {
	STACK_OF(OPENSSL_STRING) *str_stack = X509_get1_ocsp(cert);
	Tcl_Obj *urlsPtr = Tcl_NewListObj(0, NULL);

	for (int i = 0; i < sk_OPENSSL_STRING_num(str_stack); i++) {
	    Tcl_ListObjAppendElement(interp, urlsPtr,
		Tcl_NewStringObj(sk_OPENSSL_STRING_value(str_stack, i), -1));
	}

	X509_email_free(str_stack);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("ocsp", -1));
	Tcl_ListObjAppendElement(interp, certPtr, urlsPtr);
    }
 
    /* Signature algorithm and value */
    {
	const X509_ALGOR *sig_alg;
	const ASN1_BIT_STRING *sig;
	int sig_nid;

	X509_get0_signature(&sig, &sig_alg, cert);
	/* sig_nid = X509_get_signature_nid(cert) */
	sig_nid = OBJ_obj2nid(sig_alg->algorithm);

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureAlgorithm", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(sig_nid),-1));

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureValue", -1));
	if (sig_nid != NID_undef) {
	    len = String_to_Hex(sig->data, sig->length, buffer, BUFSIZ);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
    }

































































































































































































































































































































































































































    return certPtr;
}








|















|
|






|
<
|
<
<
<

>
>

|
<
|
|
|
>
>
>
|
|


>
|
|
<
|
|
|
>
>
|
|
|
<
|
|
>
>
|
|
|
<
|
|
>


|
|

|
















|



|
<





>
>
>
>
|
|

<
<
|
<
<
|
|
<
<
<
|
<
<
<
<
<
|
<
<
<
<
<
|
<
<

<
<
|
<
<
|
<
<

<
<
|



<
<
<
|
<
<
<
|
<
<
<
<
<
<
<
<
|
<
<
<
<
<
|
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<




















>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>
>




51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82

83



84
85
86
87
88

89
90
91
92
93
94
95
96
97
98
99
100
101

102
103
104
105
106
107
108
109

110
111
112
113
114
115
116

117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146

147
148
149
150
151
152
153
154
155
156
157
158


159


160
161



162





163





164


165


166


167


168


169
170
171
172



173



174








175





176






















































































































177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615

 *
 *	Tls_NewX509Obj --
 *
 *	------------------------------------------------*
 *	Converts a X509 certificate into a Tcl_Obj
 *	------------------------------------------------*
 *
 *	Side effects:
 *		None
 *
 *	Result:
 *		A Tcl List Object representing the provided
 *		X509 certificate.
 *
 *------------------------------------------------------*
 */

#define CERT_STR_SIZE 32768

Tcl_Obj*
Tls_NewX509Obj(Tcl_Interp *interp, X509 *cert) {
    Tcl_Obj *certPtr = Tcl_NewListObj(0, NULL);
    BIO *bio;
    int mdnid, pknid, bits, num_of_exts, len;
    uint32_t xflags, usage;
    char subject[BUFSIZ];
    char issuer[BUFSIZ];
    char serial[BUFSIZ];
    char notBefore[BUFSIZ];
    char notAfter[BUFSIZ];
    char buffer[BUFSIZ];
    char certStr[CERT_STR_SIZE];

    unsigned char md[EVP_MAX_MD_SIZE];



    STACK_OF(GENERAL_NAME) *san;
    STACK_OF(DIST_POINT) *crl;
    STACK_OF(OPENSSL_STRING) *ocsp;

    certStr[0]   = 0;

    subject[0]   = 0;
    issuer[0]    = 0;
    serial[0]    = 0;
    notBefore[0] = 0;
    notAfter[0]  = 0;
    if ((bio = BIO_new(BIO_s_mem())) != NULL) {
	int n;
	unsigned long flags = XN_FLAG_RFC2253 | ASN1_STRFLGS_UTF8_CONVERT;
	flags &= ~ASN1_STRFLGS_ESC_MSB;

	/* Get subject name */
	if (X509_NAME_print_ex(bio, X509_get_subject_name(cert), 0, flags) > 0) {
	    n = BIO_read(bio, subject, min(BIO_pending(bio), BUFSIZ - 1));

	    subject[max(n, 0)] = 0;
	    (void)BIO_flush(bio);
	}

	/* Get issuer name */
	if (X509_NAME_print_ex(bio, X509_get_issuer_name(cert), 0, flags) > 0) {
	    n = BIO_read(bio, issuer, min(BIO_pending(bio), BUFSIZ - 1));
	    issuer[max(n, 0)] = 0;

	    (void)BIO_flush(bio);
	}

	/* Get serial number */
	if (i2a_ASN1_INTEGER(bio, X509_get0_serialNumber(cert)) > 0) {
	    n = BIO_read(bio, serial, min(BIO_pending(bio), BUFSIZ - 1));
	    serial[max(n, 0)] = 0;

	    (void)BIO_flush(bio);
	}

        /* Get certificate */
        if (PEM_write_bio_X509(bio, cert)) {
            char *certStr_p = certStr;
            int certStr_len = 0;
            while (1) {
                int toRead = min(BIO_pending(bio), CERT_STR_SIZE - certStr_len - 1);
                toRead = min(toRead, BUFSIZ);
                if (toRead == 0) {
                    break;
                }
                dprintf("Reading %i bytes from the certificate...", toRead);
                n = BIO_read(bio, certStr_p, toRead);
                if (n <= 0) {
                    break;
                }
                certStr_len += n;
                certStr_p   += n;
            }
            *certStr_p = '\0';
            (void)BIO_flush(bio);
        }

	/* Get all cert info */
	if (X509_print_ex(bio, cert, flags, 0)) {
	    char all[65536];
	    n = BIO_read(bio, all, min(BIO_pending(bio), 65535));
	    all[max(n, 0)] = 0;

	    (void)BIO_flush(bio);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("all", -1));
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(all, n));
	}

	/* Get Validity - Not Before */
	if (ASN1_TIME_print(bio, X509_get0_notBefore(cert))) {
	    n = BIO_read(bio, notBefore, min(BIO_pending(bio), BUFSIZ - 1));
	    notBefore[max(n, 0)] = 0;
	    (void)BIO_flush(bio);
	}



	/* Get Validity - Not After */


	if (ASN1_TIME_print(bio, X509_get0_notAfter(cert))) {
	    n = BIO_read(bio, notAfter, min(BIO_pending(bio), BUFSIZ - 1));



	    notAfter[max(n, 0)] = 0;





	    (void)BIO_flush(bio);





	}





	BIO_free(bio);


    }





    /* The certificate data */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("certificate", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(certStr, -1));




    /* Signature algorithm and value - RFC 5280 section 4.1.1.2 and 4.1.1.3 */



    /* The signatureAlgorithm field contains the identifier for the cryptographic algorithm








	used by the CA to sign this certificate. The signatureValue field contains a digital





	signature computed upon the ASN.1 DER encoded tbsCertificate. */






















































































































    {
	const X509_ALGOR *sig_alg;
	const ASN1_BIT_STRING *sig;
	int sig_nid;

	X509_get0_signature(&sig, &sig_alg, cert);
	/* sig_nid = X509_get_signature_nid(cert) */
	sig_nid = OBJ_obj2nid(sig_alg->algorithm);

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureAlgorithm", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(sig_nid),-1));

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureValue", -1));
	if (sig_nid != NID_undef) {
	    len = String_to_Hex(sig->data, sig->length, buffer, BUFSIZ);
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
    }

    /* Version of the encoded certificate - RFC 5280 section 4.1.2.1 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("version", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewLongObj(X509_get_version(cert)+1));

    /* Unique number assigned by CA to certificate - RFC 5280 section 4.1.2.2 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("serialNumber", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(serial, -1));

    /* Signature algorithm used by the CA to sign the certificate. Must match
	signatureAlgorithm. RFC 5280 section 4.1.2.3 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signature", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(X509_get_signature_nid(cert)),-1));

    /* The issuer identifies the entity that has signed and issued the certificate.
	RFC 5280 section 4.1.2.4 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuer", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(issuer, -1));

    /* Certificate validity period is the time interval during which the CA
	warrants that it will maintain information about the status of the certificate.
	RFC 5280 section 4.1.2.5 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notBefore", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notBefore, -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("notAfter", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(notAfter, -1));

    /* The subject identifies the entity associated with the public key stored
	in the subject public key field. RFC 5280 section 4.1.2.6 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subject", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(subject, -1));

    /* SHA1 Fingerprint of cert - DER representation */
    X509_digest(cert, EVP_sha1(), md, &len);
    len = String_to_Hex(md, len, buffer, BUFSIZ);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha1_hash", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));

    /* SHA256 Fingerprint of cert - DER representation */
    X509_digest(cert, EVP_sha256(), md, &len);
    len = String_to_Hex(md, len, buffer, BUFSIZ);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("sha256_hash", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));

    /* Subject Public Key Info specifies the public key and identifies the
	algorithm with which the key is used. RFC 5280 section 4.1.2.7 */
    if (X509_get_signature_info(cert, &mdnid, &pknid, &bits, &xflags) == 1) {
	ASN1_BIT_STRING *key;
	unsigned int n;

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signingDigest", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(mdnid),-1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("publicKeyAlgorithm", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(OBJ_nid2ln(pknid),-1));
	/* Effective security bits */
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("bits", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(bits));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extension_flags", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(xflags));

	key = X509_get0_pubkey_bitstr(cert);
	len = String_to_Hex(key->data, key->length, buffer, BUFSIZ);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("publicKey", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));

	/* Check if cert was issued by CA cert issuer or self signed */
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("self_signed", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewBooleanObj(X509_check_issued(cert, cert) == X509_V_OK));

	if (X509_digest(cert, EVP_get_digestbynid(mdnid), md, &n)) {
	    len = String_to_Hex(md, (int)n, buffer, BUFSIZ);
	} else {
	    len = 0;
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("signatureHash", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
    }

	/* Check if cert was issued by CA cert issuer or self signed */
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("selfIssued", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewBooleanObj(xflags & EXFLAG_SI));

	/* Check if cert was issued by CA cert issuer or self signed */
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("selfSigned", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewBooleanObj(xflags & EXFLAG_SS));


    /* Unique Ids -  The unique identifiers are present in the certificate to handle the
	possibility of reuse of subject and/or issuer names over time. RFC 5280 section 4.1.2.8 */
    {
	const ASN1_BIT_STRING *iuid, *suid;
        X509_get0_uids(cert, &iuid, &suid);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerUniqueId", -1));
	if (iuid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)iuid->data, iuid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectUniqueId", -1));
	if (suid != NULL) {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewByteArrayObj((char *)suid->data, suid->length));
	} else {
	    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
	}
    }

    /* X509 v3 Extensions - RFC 5280 section 4.1.2.9 */
    num_of_exts = X509_get_ext_count(cert);
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("num_extensions", -1));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj(num_of_exts));
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extensions", -1));
    if (num_of_exts > 0) {
	Tcl_Obj *extsPtr = Tcl_NewListObj(0, NULL);
	const STACK_OF(X509_EXTENSION) *exts;
	exts = X509_get0_extensions(cert);

	for (int i=0; i < num_of_exts; i++) {
	    X509_EXTENSION *ex = sk_X509_EXTENSION_value(exts, i);
	    ASN1_OBJECT *obj = X509_EXTENSION_get_object(ex);
	    unsigned nid2 = OBJ_obj2nid(obj);
	    Tcl_ListObjAppendElement(interp, extsPtr, Tcl_NewStringObj(OBJ_nid2ln(nid2), -1));
	}
	Tcl_ListObjAppendElement(interp, certPtr, extsPtr);
    } else {
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
    }

    /* Authority Key Identifier (AKI) of a certificate should be the Subject Key
	Identifier (SKI) of its signer (the CA). RFC 5280 section 4.2.1.1 */
    {
	ASN1_OCTET_STRING *astring = X509_get0_authority_key_id(cert);
	if (astring != NULL) {
	    len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ);
	} else {
	    len = 0;
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("authorityKeyIdentifier", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
    }

    /* Subject Key Identifier (SKI) provides a means of identifying certificates
	that contain a particular public key. RFC 5280 section 4.2.1.2 */
    {
	ASN1_OCTET_STRING *astring = X509_get0_subject_key_id(cert);
	if (astring != NULL) {
	    len = String_to_Hex((char *)ASN1_STRING_get0_data(astring), ASN1_STRING_length(astring), buffer, BUFSIZ);
	} else {
	    len = 0;
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectKeyIdentifier", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(buffer, len));
    }

    /* Key usage extension defines the purpose (e.g., encipherment, signature, certificate
	signing) of the key contained in the certificate. RFC 5280 section 4.2.1.3 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("keyUsage", -1));
    usage = X509_get_key_usage(cert);
    if ((xflags & EXFLAG_KUSAGE) || usage < 0xffff) {
	Tcl_Obj *tmpPtr = Tcl_NewListObj(0, NULL);
	if (usage & KU_DIGITAL_SIGNATURE) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Digital Signature", -1));
	}
	if (usage & KU_NON_REPUDIATION) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Non-Repudiation", -1));
	}
	if (usage & KU_KEY_ENCIPHERMENT) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Key Encipherment", -1));
	}
	if (usage & KU_DATA_ENCIPHERMENT) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Data Encipherment", -1));
	}
	if (usage & KU_KEY_AGREEMENT) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Key Agreement", -1));
	}
	if (usage & KU_KEY_CERT_SIGN) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Certificate Signing", -1));
	}
	if (usage & KU_CRL_SIGN) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("CRL Signing", -1));
	}
	if (usage & KU_ENCIPHER_ONLY) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Encipher Only", -1));
	}
	if (usage & KU_DECIPHER_ONLY) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Decipher Only", -1));
	}
	Tcl_ListObjAppendElement(interp, certPtr, tmpPtr);
    } else {
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("", -1));
    }


    /* Purpose */
    {
	char *purpose = NULL;

	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("purpose", -1));
	if (X509_check_purpose(cert, X509_PURPOSE_SSL_CLIENT, 0) > 0) {
	    purpose = "SSL Client";
	} else if (X509_check_purpose(cert, X509_PURPOSE_SSL_SERVER, 0) > 0) {
	    purpose = "SSL Server";
	} else if (X509_check_purpose(cert, X509_PURPOSE_NS_SSL_SERVER, 0) > 0) {
	    purpose = "MSS SSL Server";
	} else if (X509_check_purpose(cert, X509_PURPOSE_SMIME_SIGN, 0) > 0) {
	    purpose = "SMIME Signing";
	} else if (X509_check_purpose(cert, X509_PURPOSE_SMIME_ENCRYPT, 0) > 0) {
	    purpose = "SMIME Encryption";
	} else if (X509_check_purpose(cert, X509_PURPOSE_CRL_SIGN, 0) > 0) {
	    purpose = "CRL Signing";
	} else if (X509_check_purpose(cert, X509_PURPOSE_ANY, 0) > 0) {
	    purpose = "Any";
	} else if (X509_check_purpose(cert, X509_PURPOSE_OCSP_HELPER, 0) > 0) {
	    purpose = "OCSP Helper";
	} else if (X509_check_purpose(cert, X509_PURPOSE_TIMESTAMP_SIGN, 0) > 0) {
	    purpose = "Timestamp Signing";
	} else {
	    purpose = "";
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj(purpose, -1));
    }

    {
	Tcl_Obj *purpPtr = Tcl_NewListObj(0, NULL);
	for (int j = 0; j < X509_PURPOSE_get_count(); j++) {
	    X509_PURPOSE *ptmp = X509_PURPOSE_get0(j);
	    Tcl_Obj *tmpPtr = Tcl_NewListObj(0, NULL);

	    for (int i = 0; i < 2; i++) {
		int idret = X509_check_purpose(cert, X509_PURPOSE_get_id(ptmp), i);
		Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj(i ? "CA" : "nonCA", -1));
		Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj(idret == 1 ? "Yes" : "No", -1));
	    }
	    Tcl_ListObjAppendElement(interp, purpPtr, Tcl_NewStringObj(X509_PURPOSE_get0_name(ptmp), -1));
	    Tcl_ListObjAppendElement(interp, purpPtr, tmpPtr);
	}
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("certificatePurpose", -1));
	Tcl_ListObjAppendElement(interp, certPtr, purpPtr);
    }

    /* Certificate Policies - indicates the issuing CA considers its issuerDomainPolicy
	equivalent to the subject CA's subjectDomainPolicy. RFC 5280 section 4.2.1.4 */
    if (xflags & EXFLAG_INVALID_POLICY) {
	/* Reject cert */
    }

    /* Policy Mappings - RFC 5280 section 4.2.1.5 */

    /* Subject Alternative Name (SAN) contains additional URLs, DNS name, or IP
	addresses bound to certificate. RFC 5280 section 4.2.1.6 */
    san = X509_get_ext_d2i(cert, NID_subject_alt_name, NULL, NULL);
    if (san) {
	Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL);
	bio = BIO_new(BIO_s_mem());

	for (int i=0; i < sk_GENERAL_NAME_num(san); i++) {
	    const GENERAL_NAME *name = sk_GENERAL_NAME_value(san, i);

	    if (name && bio) {
		if (GENERAL_NAME_print(bio, name)) {
		    int n = BIO_read(bio, buffer, min(BIO_pending(bio), BUFSIZ));
		    buffer[max(n, 0)] = 0;
		    (void)BIO_flush(bio);
		    Tcl_ListObjAppendElement(interp, namesPtr, Tcl_NewStringObj(buffer, n));
		}
	    }
	}
	BIO_free(bio);
	sk_GENERAL_NAME_pop_free(san, GENERAL_NAME_free);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("subjectAltName", -1));
	Tcl_ListObjAppendElement(interp, certPtr, namesPtr);
    }

    /* Issuer Alternative Name (issuerAltName) is used to associate Internet
	style identities with the certificate issuer. RFC 5280 section 4.2.1.7 */
    san = X509_get_ext_d2i(cert, NID_issuer_alt_name, NULL, NULL);
    if (san) {
	Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL);
	bio = BIO_new(BIO_s_mem());

	for (int i=0; i < sk_GENERAL_NAME_num(san); i++) {
	    const GENERAL_NAME *name = sk_GENERAL_NAME_value(san, i);

	    if (name && bio) {
		if (GENERAL_NAME_print(bio, name)) {
		    int n = BIO_read(bio, buffer, min(BIO_pending(bio), BUFSIZ));
		    buffer[max(n, 0)] = 0;
		    (void)BIO_flush(bio);
		    Tcl_ListObjAppendElement(interp, namesPtr, Tcl_NewStringObj(buffer, n));
		}
	    }
	}
	BIO_free(bio);
	sk_GENERAL_NAME_pop_free(san, GENERAL_NAME_free);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("issuerAltName", -1));
	Tcl_ListObjAppendElement(interp, certPtr, namesPtr);
    }

    /* Subject Directory Attributes provides identification attributes (e.g., nationality)
	of the subject. RFC 5280 section 4.2.1.8 (subjectDirectoryAttributes) */

    /* Basic Constraints identifies whether the subject of the cert is a CA and
	the max depth of valid cert paths that include this cert.
	RFC 5280 section 4.2.1.9 (basicConstraints, NID_basic_constraints) */
    if (xflags & EXFLAG_BCONS || xflags & EXFLAG_CA) {
    }

    /* Name Constraints is only used in CA certs to indicate a name space within
	which all subject names in subsequent certificates in a certification path
	MUST be located. RFC 5280 section 4.2.1.10 */

    /* Policy Constraints is only used in CA certs to limit the length of a
	cert chain that may be issued from that CA. RFC 5280 section 4.2.1.11 */

    /* Extended Key Usage indicates one or more purposes for which the certified
	public key may be used, in addition to or in place of the basic purposes.
	RFC 5280 section 4.2.1.12 */
    Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("extendedKeyUsage", -1));
    usage = X509_get_extended_key_usage(cert);
    if ((xflags & EXFLAG_XKUSAGE) || usage < 0xffff) {
	Tcl_Obj *tmpPtr = Tcl_NewListObj(0, NULL);
	if (usage & XKU_SSL_SERVER) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("TLS Web Server Authentication", -1));
	}
	if (usage & XKU_SSL_CLIENT) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("TLS Web Client Authentication", -1));
	}
	if (usage & XKU_SMIME) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("E-mail Protection", -1));
	}
	if (usage & XKU_CODE_SIGN) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Code Signing", -1));
	}
	if (usage & XKU_SGC) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("SGC", -1));
	}
	if (usage & XKU_OCSP_SIGN) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("OCSP Signing", -1));
	}
	if (usage & XKU_TIMESTAMP) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Time Stamping", -1));
	}
	if (usage & XKU_DVCS ) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("DVCS", -1));
	}
	if (usage & XKU_ANYEKU) {
	    Tcl_ListObjAppendElement(interp, tmpPtr, Tcl_NewStringObj("Any Extended Key Usage", -1));
	}
	Tcl_ListObjAppendElement(interp, certPtr, tmpPtr);
    } else {
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewIntObj((int)X509_get_extended_key_usage(cert)));
    }

    /* CRL Distribution Points extension identifies how CRL information is
	obtained. RFC 5280 section 4.2.1.13*/
    crl = X509_get_ext_d2i(cert, NID_crl_distribution_points, NULL, NULL);
    if (crl) {
	Tcl_Obj *namesPtr = Tcl_NewListObj(0, NULL);

	for (int i=0; i < sk_DIST_POINT_num(crl); i++) {
	    DIST_POINT *dp = sk_DIST_POINT_value(crl, i);
	    DIST_POINT_NAME *distpoint = dp->distpoint;

	    if (distpoint->type == 0) {
		/* fullname GENERALIZEDNAME */
		for (int j = 0; j < sk_GENERAL_NAME_num(distpoint->name.fullname); j++) {
		    GENERAL_NAME *gen = sk_GENERAL_NAME_value(distpoint->name.fullname, j);
		    int type;
		    ASN1_STRING *uri = GENERAL_NAME_get0_value(gen, &type);
		    if (type == GEN_URI) {
			Tcl_ListObjAppendElement(interp, namesPtr,
			    Tcl_NewStringObj((char*)ASN1_STRING_get0_data(uri), ASN1_STRING_length(uri)));
		    }
		}
	    } else if (distpoint->type == 1) {
		/* relativename X509NAME */
		STACK_OF(X509_NAME_ENTRY) *sk_relname = distpoint->name.relativename;
		for (int j = 0; j < sk_X509_NAME_ENTRY_num(sk_relname); j++) {
		    X509_NAME_ENTRY *e = sk_X509_NAME_ENTRY_value(sk_relname, j);
		    ASN1_STRING *d = X509_NAME_ENTRY_get_data(e);
		    Tcl_ListObjAppendElement(interp, namesPtr, Tcl_NewStringObj((char*)ASN1_STRING_data(d), ASN1_STRING_length(d)));
		}
	    }
	}
	CRL_DIST_POINTS_free(crl);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("crlDistributionPoints", -1));
	Tcl_ListObjAppendElement(interp, certPtr, namesPtr);
    }

    /* Freshest CRL extension */
    if (xflags & EXFLAG_FRESHEST) {
    }

    /* Get OSCP URL */
    ocsp = X509_get1_ocsp(cert);
    if (ocsp) {
	Tcl_Obj *urlsPtr = Tcl_NewListObj(0, NULL);

	for (int i = 0; i < sk_OPENSSL_STRING_num(ocsp); i++) {
	    Tcl_ListObjAppendElement(interp, urlsPtr,
		Tcl_NewStringObj(sk_OPENSSL_STRING_value(ocsp, i), -1));
	}

	X509_email_free(ocsp);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("ocsp", -1));
	Tcl_ListObjAppendElement(interp, certPtr, urlsPtr);
    }

    /* Certificate Alias as UTF-8 string */
    {
	unsigned char *bstring;
	len = 0;
	bstring = X509_alias_get0(cert, &len);
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj("alias", -1));
	Tcl_ListObjAppendElement(interp, certPtr, Tcl_NewStringObj((char *)bstring, len));
    }

    return certPtr;
}

Powered by Fossil · RSS