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Commit | Line | Data |
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0f113f3e | 1 | /* |
6738bf14 | 2 | * Copyright 2012-2018 The OpenSSL Project Authors. All Rights Reserved. |
3db935a9 | 3 | * |
2c18d164 | 4 | * Licensed under the Apache License 2.0 (the "License"). You may not use |
846e33c7 RS |
5 | * this file except in compliance with the License. You can obtain a copy |
6 | * in the file LICENSE in the source distribution or at | |
7 | * https://www.openssl.org/source/license.html | |
3db935a9 DSH |
8 | */ |
9 | ||
3db935a9 DSH |
10 | #include <stdio.h> |
11 | #include "ssl_locl.h" | |
12 | #include <openssl/conf.h> | |
13 | #include <openssl/objects.h> | |
3c27208f | 14 | #include <openssl/dh.h> |
677963e5 | 15 | #include "internal/nelem.h" |
3db935a9 | 16 | |
0f113f3e | 17 | /* |
f430ba31 | 18 | * structure holding name tables. This is used for permitted elements in lists |
656b2605 | 19 | * such as TLSv1. |
3db935a9 DSH |
20 | */ |
21 | ||
0f113f3e MC |
22 | typedef struct { |
23 | const char *name; | |
24 | int namelen; | |
25 | unsigned int name_flags; | |
26 | unsigned long option_value; | |
27 | } ssl_flag_tbl; | |
3db935a9 | 28 | |
656b2605 DSH |
29 | /* Switch table: use for single command line switches like no_tls2 */ |
30 | typedef struct { | |
31 | unsigned long option_value; | |
32 | unsigned int name_flags; | |
33 | } ssl_switch_tbl; | |
34 | ||
3db935a9 | 35 | /* Sense of name is inverted e.g. "TLSv1" will clear SSL_OP_NO_TLSv1 */ |
0f113f3e | 36 | #define SSL_TFLAG_INV 0x1 |
429261d0 DSH |
37 | /* Mask for type of flag referred to */ |
38 | #define SSL_TFLAG_TYPE_MASK 0xf00 | |
39 | /* Flag is for options */ | |
40 | #define SSL_TFLAG_OPTION 0x000 | |
41 | /* Flag is for cert_flags */ | |
42 | #define SSL_TFLAG_CERT 0x100 | |
43 | /* Flag is for verify mode */ | |
44 | #define SSL_TFLAG_VFY 0x200 | |
3db935a9 DSH |
45 | /* Option can only be used for clients */ |
46 | #define SSL_TFLAG_CLIENT SSL_CONF_FLAG_CLIENT | |
47 | /* Option can only be used for servers */ | |
48 | #define SSL_TFLAG_SERVER SSL_CONF_FLAG_SERVER | |
49 | #define SSL_TFLAG_BOTH (SSL_TFLAG_CLIENT|SSL_TFLAG_SERVER) | |
50 | ||
51 | #define SSL_FLAG_TBL(str, flag) \ | |
0f113f3e | 52 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_BOTH, flag} |
3db935a9 | 53 | #define SSL_FLAG_TBL_SRV(str, flag) \ |
0f113f3e | 54 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_SERVER, flag} |
3db935a9 | 55 | #define SSL_FLAG_TBL_CLI(str, flag) \ |
0f113f3e | 56 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_CLIENT, flag} |
3db935a9 | 57 | #define SSL_FLAG_TBL_INV(str, flag) \ |
0f113f3e | 58 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_BOTH, flag} |
3db935a9 | 59 | #define SSL_FLAG_TBL_SRV_INV(str, flag) \ |
0f113f3e | 60 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_INV|SSL_TFLAG_SERVER, flag} |
3db935a9 | 61 | #define SSL_FLAG_TBL_CERT(str, flag) \ |
0f113f3e | 62 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_CERT|SSL_TFLAG_BOTH, flag} |
3db935a9 | 63 | |
429261d0 DSH |
64 | #define SSL_FLAG_VFY_CLI(str, flag) \ |
65 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_CLIENT, flag} | |
66 | #define SSL_FLAG_VFY_SRV(str, flag) \ | |
67 | {str, (int)(sizeof(str) - 1), SSL_TFLAG_VFY | SSL_TFLAG_SERVER, flag} | |
68 | ||
0f113f3e MC |
69 | /* |
70 | * Opaque structure containing SSL configuration context. | |
3db935a9 DSH |
71 | */ |
72 | ||
0f113f3e MC |
73 | struct ssl_conf_ctx_st { |
74 | /* | |
75 | * Various flags indicating (among other things) which options we will | |
76 | * recognise. | |
77 | */ | |
78 | unsigned int flags; | |
79 | /* Prefix and length of commands */ | |
80 | char *prefix; | |
81 | size_t prefixlen; | |
82 | /* SSL_CTX or SSL structure to perform operations on */ | |
83 | SSL_CTX *ctx; | |
84 | SSL *ssl; | |
85 | /* Pointer to SSL or SSL_CTX options field or NULL if none */ | |
f7d53487 | 86 | uint32_t *poptions; |
2011b169 DSH |
87 | /* Certificate filenames for each type */ |
88 | char *cert_filename[SSL_PKEY_NUM]; | |
0f113f3e | 89 | /* Pointer to SSL or SSL_CTX cert_flags or NULL if none */ |
f7d53487 | 90 | uint32_t *pcert_flags; |
429261d0 DSH |
91 | /* Pointer to SSL or SSL_CTX verify_mode or NULL if none */ |
92 | uint32_t *pvfy_flags; | |
7946ab33 KR |
93 | /* Pointer to SSL or SSL_CTX min_version field or NULL if none */ |
94 | int *min_version; | |
95 | /* Pointer to SSL or SSL_CTX max_version field or NULL if none */ | |
96 | int *max_version; | |
0f113f3e MC |
97 | /* Current flag table being worked on */ |
98 | const ssl_flag_tbl *tbl; | |
99 | /* Size of table */ | |
100 | size_t ntbl; | |
429261d0 DSH |
101 | /* Client CA names */ |
102 | STACK_OF(X509_NAME) *canames; | |
0f113f3e | 103 | }; |
3db935a9 | 104 | |
656b2605 DSH |
105 | static void ssl_set_option(SSL_CONF_CTX *cctx, unsigned int name_flags, |
106 | unsigned long option_value, int onoff) | |
107 | { | |
4fdf17a0 | 108 | uint32_t *pflags; |
656b2605 DSH |
109 | if (cctx->poptions == NULL) |
110 | return; | |
111 | if (name_flags & SSL_TFLAG_INV) | |
112 | onoff ^= 1; | |
429261d0 DSH |
113 | switch (name_flags & SSL_TFLAG_TYPE_MASK) { |
114 | ||
115 | case SSL_TFLAG_CERT: | |
116 | pflags = cctx->pcert_flags; | |
117 | break; | |
118 | ||
119 | case SSL_TFLAG_VFY: | |
a230b26e | 120 | pflags = cctx->pvfy_flags; |
429261d0 DSH |
121 | break; |
122 | ||
123 | case SSL_TFLAG_OPTION: | |
124 | pflags = cctx->poptions; | |
125 | break; | |
126 | ||
127 | default: | |
128 | return; | |
129 | ||
656b2605 | 130 | } |
429261d0 DSH |
131 | if (onoff) |
132 | *pflags |= option_value; | |
133 | else | |
134 | *pflags &= ~option_value; | |
656b2605 DSH |
135 | } |
136 | ||
3db935a9 | 137 | static int ssl_match_option(SSL_CONF_CTX *cctx, const ssl_flag_tbl *tbl, |
0f113f3e MC |
138 | const char *name, int namelen, int onoff) |
139 | { | |
140 | /* If name not relevant for context skip */ | |
141 | if (!(cctx->flags & tbl->name_flags & SSL_TFLAG_BOTH)) | |
142 | return 0; | |
143 | if (namelen == -1) { | |
144 | if (strcmp(tbl->name, name)) | |
145 | return 0; | |
a230b26e | 146 | } else if (tbl->namelen != namelen || strncasecmp(tbl->name, name, namelen)) |
0f113f3e | 147 | return 0; |
656b2605 | 148 | ssl_set_option(cctx, tbl->name_flags, tbl->option_value, onoff); |
0f113f3e MC |
149 | return 1; |
150 | } | |
3db935a9 DSH |
151 | |
152 | static int ssl_set_option_list(const char *elem, int len, void *usr) | |
0f113f3e MC |
153 | { |
154 | SSL_CONF_CTX *cctx = usr; | |
155 | size_t i; | |
156 | const ssl_flag_tbl *tbl; | |
157 | int onoff = 1; | |
158 | /* | |
159 | * len == -1 indicates not being called in list context, just for single | |
160 | * command line switches, so don't allow +, -. | |
161 | */ | |
2747d73c KR |
162 | if (elem == NULL) |
163 | return 0; | |
0f113f3e MC |
164 | if (len != -1) { |
165 | if (*elem == '+') { | |
166 | elem++; | |
167 | len--; | |
168 | onoff = 1; | |
169 | } else if (*elem == '-') { | |
170 | elem++; | |
171 | len--; | |
172 | onoff = 0; | |
173 | } | |
174 | } | |
175 | for (i = 0, tbl = cctx->tbl; i < cctx->ntbl; i++, tbl++) { | |
176 | if (ssl_match_option(cctx, tbl, elem, len, onoff)) | |
177 | return 1; | |
178 | } | |
179 | return 0; | |
180 | } | |
3db935a9 | 181 | |
3db935a9 | 182 | /* Set supported signature algorithms */ |
ec2f7e56 | 183 | static int cmd_SignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
184 | { |
185 | int rv; | |
186 | if (cctx->ssl) | |
187 | rv = SSL_set1_sigalgs_list(cctx->ssl, value); | |
188 | /* NB: ctx == NULL performs syntax checking only */ | |
189 | else | |
190 | rv = SSL_CTX_set1_sigalgs_list(cctx->ctx, value); | |
191 | return rv > 0; | |
192 | } | |
193 | ||
3db935a9 | 194 | /* Set supported client signature algorithms */ |
a230b26e | 195 | static int cmd_ClientSignatureAlgorithms(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
196 | { |
197 | int rv; | |
198 | if (cctx->ssl) | |
199 | rv = SSL_set1_client_sigalgs_list(cctx->ssl, value); | |
200 | /* NB: ctx == NULL performs syntax checking only */ | |
201 | else | |
202 | rv = SSL_CTX_set1_client_sigalgs_list(cctx->ctx, value); | |
203 | return rv > 0; | |
204 | } | |
3db935a9 | 205 | |
de4d764e | 206 | static int cmd_Groups(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
207 | { |
208 | int rv; | |
209 | if (cctx->ssl) | |
de4d764e | 210 | rv = SSL_set1_groups_list(cctx->ssl, value); |
0f113f3e MC |
211 | /* NB: ctx == NULL performs syntax checking only */ |
212 | else | |
de4d764e | 213 | rv = SSL_CTX_set1_groups_list(cctx->ctx, value); |
0f113f3e MC |
214 | return rv > 0; |
215 | } | |
216 | ||
de4d764e MC |
217 | /* This is the old name for cmd_Groups - retained for backwards compatibility */ |
218 | static int cmd_Curves(SSL_CONF_CTX *cctx, const char *value) | |
219 | { | |
220 | return cmd_Groups(cctx, value); | |
221 | } | |
222 | ||
10bf4fc2 | 223 | #ifndef OPENSSL_NO_EC |
3db935a9 | 224 | /* ECDH temporary parameters */ |
ec2f7e56 | 225 | static int cmd_ECDHParameters(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e | 226 | { |
fe6ef247 | 227 | int rv = 1; |
fe6ef247 | 228 | int nid; |
0f113f3e | 229 | |
1c7aa0db | 230 | /* Ignore values supported by 1.0.2 for the automatic selection */ |
ededc88d MC |
231 | if ((cctx->flags & SSL_CONF_FLAG_FILE) |
232 | && (strcasecmp(value, "+automatic") == 0 | |
233 | || strcasecmp(value, "automatic") == 0)) | |
1c7aa0db TM |
234 | return 1; |
235 | if ((cctx->flags & SSL_CONF_FLAG_CMDLINE) && | |
236 | strcmp(value, "auto") == 0) | |
237 | return 1; | |
238 | ||
fe6ef247 KR |
239 | nid = EC_curve_nist2nid(value); |
240 | if (nid == NID_undef) | |
241 | nid = OBJ_sn2nid(value); | |
242 | if (nid == 0) | |
243 | return 0; | |
9b1c0e00 | 244 | |
fe6ef247 | 245 | if (cctx->ctx) |
9b1c0e00 | 246 | rv = SSL_CTX_set1_groups(cctx->ctx, &nid, 1); |
fe6ef247 | 247 | else if (cctx->ssl) |
9b1c0e00 | 248 | rv = SSL_set1_groups(cctx->ssl, &nid, 1); |
0f113f3e MC |
249 | |
250 | return rv > 0; | |
251 | } | |
14536c8c | 252 | #endif |
ec2f7e56 | 253 | static int cmd_CipherString(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
254 | { |
255 | int rv = 1; | |
f865b081 | 256 | |
0f113f3e MC |
257 | if (cctx->ctx) |
258 | rv = SSL_CTX_set_cipher_list(cctx->ctx, value); | |
259 | if (cctx->ssl) | |
260 | rv = SSL_set_cipher_list(cctx->ssl, value); | |
261 | return rv > 0; | |
262 | } | |
3db935a9 | 263 | |
f865b081 MC |
264 | static int cmd_Ciphersuites(SSL_CONF_CTX *cctx, const char *value) |
265 | { | |
266 | int rv = 1; | |
267 | ||
268 | if (cctx->ctx) | |
269 | rv = SSL_CTX_set_ciphersuites(cctx->ctx, value); | |
270 | if (cctx->ssl) | |
271 | rv = SSL_set_ciphersuites(cctx->ssl, value); | |
272 | return rv > 0; | |
273 | } | |
274 | ||
ec2f7e56 | 275 | static int cmd_Protocol(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
276 | { |
277 | static const ssl_flag_tbl ssl_protocol_list[] = { | |
278 | SSL_FLAG_TBL_INV("ALL", SSL_OP_NO_SSL_MASK), | |
279 | SSL_FLAG_TBL_INV("SSLv2", SSL_OP_NO_SSLv2), | |
280 | SSL_FLAG_TBL_INV("SSLv3", SSL_OP_NO_SSLv3), | |
281 | SSL_FLAG_TBL_INV("TLSv1", SSL_OP_NO_TLSv1), | |
282 | SSL_FLAG_TBL_INV("TLSv1.1", SSL_OP_NO_TLSv1_1), | |
7946ab33 | 283 | SSL_FLAG_TBL_INV("TLSv1.2", SSL_OP_NO_TLSv1_2), |
582a17d6 | 284 | SSL_FLAG_TBL_INV("TLSv1.3", SSL_OP_NO_TLSv1_3), |
7946ab33 KR |
285 | SSL_FLAG_TBL_INV("DTLSv1", SSL_OP_NO_DTLSv1), |
286 | SSL_FLAG_TBL_INV("DTLSv1.2", SSL_OP_NO_DTLSv1_2) | |
0f113f3e | 287 | }; |
0f113f3e | 288 | cctx->tbl = ssl_protocol_list; |
b6eb9827 | 289 | cctx->ntbl = OSSL_NELEM(ssl_protocol_list); |
0f113f3e MC |
290 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); |
291 | } | |
3db935a9 | 292 | |
7946ab33 KR |
293 | /* |
294 | * protocol_from_string - converts a protocol version string to a number | |
295 | * | |
296 | * Returns -1 on failure or the version on success | |
297 | */ | |
298 | static int protocol_from_string(const char *value) | |
299 | { | |
300 | struct protocol_versions { | |
301 | const char *name; | |
302 | int version; | |
303 | }; | |
304 | static const struct protocol_versions versions[] = { | |
869e978c | 305 | {"None", 0}, |
7946ab33 KR |
306 | {"SSLv3", SSL3_VERSION}, |
307 | {"TLSv1", TLS1_VERSION}, | |
308 | {"TLSv1.1", TLS1_1_VERSION}, | |
309 | {"TLSv1.2", TLS1_2_VERSION}, | |
582a17d6 | 310 | {"TLSv1.3", TLS1_3_VERSION}, |
7946ab33 | 311 | {"DTLSv1", DTLS1_VERSION}, |
a230b26e EK |
312 | {"DTLSv1.2", DTLS1_2_VERSION} |
313 | }; | |
7946ab33 KR |
314 | size_t i; |
315 | size_t n = OSSL_NELEM(versions); | |
316 | ||
317 | for (i = 0; i < n; i++) | |
318 | if (strcmp(versions[i].name, value) == 0) | |
319 | return versions[i].version; | |
320 | return -1; | |
321 | } | |
322 | ||
4fa52141 VD |
323 | static int min_max_proto(SSL_CONF_CTX *cctx, const char *value, int *bound) |
324 | { | |
325 | int method_version; | |
326 | int new_version; | |
327 | ||
328 | if (cctx->ctx != NULL) | |
329 | method_version = cctx->ctx->method->version; | |
330 | else if (cctx->ssl != NULL) | |
331 | method_version = cctx->ssl->ctx->method->version; | |
332 | else | |
333 | return 0; | |
334 | if ((new_version = protocol_from_string(value)) < 0) | |
335 | return 0; | |
336 | return ssl_set_version_bound(method_version, new_version, bound); | |
337 | } | |
338 | ||
7946ab33 KR |
339 | /* |
340 | * cmd_MinProtocol - Set min protocol version | |
341 | * @cctx: config structure to save settings in | |
342 | * @value: The min protocol version in string form | |
343 | * | |
344 | * Returns 1 on success and 0 on failure. | |
345 | */ | |
346 | static int cmd_MinProtocol(SSL_CONF_CTX *cctx, const char *value) | |
347 | { | |
4fa52141 | 348 | return min_max_proto(cctx, value, cctx->min_version); |
7946ab33 KR |
349 | } |
350 | ||
351 | /* | |
352 | * cmd_MaxProtocol - Set max protocol version | |
353 | * @cctx: config structure to save settings in | |
354 | * @value: The max protocol version in string form | |
355 | * | |
356 | * Returns 1 on success and 0 on failure. | |
357 | */ | |
358 | static int cmd_MaxProtocol(SSL_CONF_CTX *cctx, const char *value) | |
359 | { | |
4fa52141 | 360 | return min_max_proto(cctx, value, cctx->max_version); |
7946ab33 KR |
361 | } |
362 | ||
ec2f7e56 | 363 | static int cmd_Options(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
364 | { |
365 | static const ssl_flag_tbl ssl_option_list[] = { | |
366 | SSL_FLAG_TBL_INV("SessionTicket", SSL_OP_NO_TICKET), | |
367 | SSL_FLAG_TBL_INV("EmptyFragments", | |
368 | SSL_OP_DONT_INSERT_EMPTY_FRAGMENTS), | |
369 | SSL_FLAG_TBL("Bugs", SSL_OP_ALL), | |
370 | SSL_FLAG_TBL_INV("Compression", SSL_OP_NO_COMPRESSION), | |
371 | SSL_FLAG_TBL_SRV("ServerPreference", SSL_OP_CIPHER_SERVER_PREFERENCE), | |
372 | SSL_FLAG_TBL_SRV("NoResumptionOnRenegotiation", | |
373 | SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION), | |
374 | SSL_FLAG_TBL_SRV("DHSingle", SSL_OP_SINGLE_DH_USE), | |
375 | SSL_FLAG_TBL_SRV("ECDHSingle", SSL_OP_SINGLE_ECDH_USE), | |
376 | SSL_FLAG_TBL("UnsafeLegacyRenegotiation", | |
377 | SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION), | |
b3618f44 | 378 | SSL_FLAG_TBL_INV("EncryptThenMac", SSL_OP_NO_ENCRYPT_THEN_MAC), |
db0f35dd | 379 | SSL_FLAG_TBL("NoRenegotiation", SSL_OP_NO_RENEGOTIATION), |
e1c7871d | 380 | SSL_FLAG_TBL("AllowNoDHEKEX", SSL_OP_ALLOW_NO_DHE_KEX), |
a5816a5a | 381 | SSL_FLAG_TBL("PrioritizeChaCha", SSL_OP_PRIORITIZE_CHACHA), |
3bb5e5b0 | 382 | SSL_FLAG_TBL("MiddleboxCompat", SSL_OP_ENABLE_MIDDLEBOX_COMPAT), |
088dfa13 TS |
383 | SSL_FLAG_TBL_INV("AntiReplay", SSL_OP_NO_ANTI_REPLAY), |
384 | SSL_FLAG_TBL_INV("ExtendedMasterSecret", SSL_OP_NO_EXTENDED_MASTER_SECRET) | |
0f113f3e | 385 | }; |
0f113f3e MC |
386 | if (value == NULL) |
387 | return -3; | |
388 | cctx->tbl = ssl_option_list; | |
b6eb9827 | 389 | cctx->ntbl = OSSL_NELEM(ssl_option_list); |
0f113f3e MC |
390 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); |
391 | } | |
3db935a9 | 392 | |
429261d0 DSH |
393 | static int cmd_VerifyMode(SSL_CONF_CTX *cctx, const char *value) |
394 | { | |
395 | static const ssl_flag_tbl ssl_vfy_list[] = { | |
396 | SSL_FLAG_VFY_CLI("Peer", SSL_VERIFY_PEER), | |
397 | SSL_FLAG_VFY_SRV("Request", SSL_VERIFY_PEER), | |
398 | SSL_FLAG_VFY_SRV("Require", | |
399 | SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT), | |
9d75dce3 TS |
400 | SSL_FLAG_VFY_SRV("Once", SSL_VERIFY_PEER | SSL_VERIFY_CLIENT_ONCE), |
401 | SSL_FLAG_VFY_SRV("RequestPostHandshake", | |
402 | SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE), | |
403 | SSL_FLAG_VFY_SRV("RequirePostHandshake", | |
404 | SSL_VERIFY_PEER | SSL_VERIFY_POST_HANDSHAKE | | |
405 | SSL_VERIFY_FAIL_IF_NO_PEER_CERT), | |
429261d0 DSH |
406 | }; |
407 | if (value == NULL) | |
408 | return -3; | |
409 | cctx->tbl = ssl_vfy_list; | |
410 | cctx->ntbl = OSSL_NELEM(ssl_vfy_list); | |
411 | return CONF_parse_list(value, ',', 1, ssl_set_option_list, cctx); | |
412 | } | |
413 | ||
ec2f7e56 | 414 | static int cmd_Certificate(SSL_CONF_CTX *cctx, const char *value) |
0f113f3e MC |
415 | { |
416 | int rv = 1; | |
2011b169 | 417 | CERT *c = NULL; |
2011b169 | 418 | if (cctx->ctx) { |
0f113f3e | 419 | rv = SSL_CTX_use_certificate_chain_file(cctx->ctx, value); |
2011b169 DSH |
420 | c = cctx->ctx->cert; |
421 | } | |
422 | if (cctx->ssl) { | |
fae4772c | 423 | rv = SSL_use_certificate_chain_file(cctx->ssl, value); |
2011b169 DSH |
424 | c = cctx->ssl->cert; |
425 | } | |
426 | if (rv > 0 && c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { | |
427 | char **pfilename = &cctx->cert_filename[c->key - c->pkeys]; | |
b548a1f1 | 428 | OPENSSL_free(*pfilename); |
7644a9ae | 429 | *pfilename = OPENSSL_strdup(value); |
2011b169 DSH |
430 | if (!*pfilename) |
431 | rv = 0; | |
432 | } | |
433 | ||
0f113f3e MC |
434 | return rv > 0; |
435 | } | |
ec2f7e56 DSH |
436 | |
437 | static int cmd_PrivateKey(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
438 | { |
439 | int rv = 1; | |
440 | if (!(cctx->flags & SSL_CONF_FLAG_CERTIFICATE)) | |
441 | return -2; | |
442 | if (cctx->ctx) | |
443 | rv = SSL_CTX_use_PrivateKey_file(cctx->ctx, value, SSL_FILETYPE_PEM); | |
444 | if (cctx->ssl) | |
445 | rv = SSL_use_PrivateKey_file(cctx->ssl, value, SSL_FILETYPE_PEM); | |
446 | return rv > 0; | |
447 | } | |
5b7f36e8 DSH |
448 | |
449 | static int cmd_ServerInfoFile(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
450 | { |
451 | int rv = 1; | |
0f113f3e MC |
452 | if (cctx->ctx) |
453 | rv = SSL_CTX_use_serverinfo_file(cctx->ctx, value); | |
454 | return rv > 0; | |
455 | } | |
5b7f36e8 | 456 | |
429261d0 DSH |
457 | static int do_store(SSL_CONF_CTX *cctx, |
458 | const char *CAfile, const char *CApath, int verify_store) | |
459 | { | |
460 | CERT *cert; | |
461 | X509_STORE **st; | |
462 | if (cctx->ctx) | |
463 | cert = cctx->ctx->cert; | |
464 | else if (cctx->ssl) | |
465 | cert = cctx->ssl->cert; | |
466 | else | |
467 | return 1; | |
468 | st = verify_store ? &cert->verify_store : &cert->chain_store; | |
469 | if (*st == NULL) { | |
470 | *st = X509_STORE_new(); | |
471 | if (*st == NULL) | |
472 | return 0; | |
473 | } | |
474 | return X509_STORE_load_locations(*st, CAfile, CApath) > 0; | |
475 | } | |
476 | ||
477 | static int cmd_ChainCAPath(SSL_CONF_CTX *cctx, const char *value) | |
478 | { | |
479 | return do_store(cctx, NULL, value, 0); | |
480 | } | |
481 | ||
482 | static int cmd_ChainCAFile(SSL_CONF_CTX *cctx, const char *value) | |
483 | { | |
484 | return do_store(cctx, value, NULL, 0); | |
485 | } | |
486 | ||
487 | static int cmd_VerifyCAPath(SSL_CONF_CTX *cctx, const char *value) | |
488 | { | |
489 | return do_store(cctx, NULL, value, 1); | |
490 | } | |
491 | ||
492 | static int cmd_VerifyCAFile(SSL_CONF_CTX *cctx, const char *value) | |
493 | { | |
494 | return do_store(cctx, value, NULL, 1); | |
495 | } | |
496 | ||
be885d50 | 497 | static int cmd_RequestCAFile(SSL_CONF_CTX *cctx, const char *value) |
429261d0 DSH |
498 | { |
499 | if (cctx->canames == NULL) | |
500 | cctx->canames = sk_X509_NAME_new_null(); | |
501 | if (cctx->canames == NULL) | |
502 | return 0; | |
503 | return SSL_add_file_cert_subjects_to_stack(cctx->canames, value); | |
504 | } | |
505 | ||
be885d50 DSH |
506 | static int cmd_ClientCAFile(SSL_CONF_CTX *cctx, const char *value) |
507 | { | |
508 | return cmd_RequestCAFile(cctx, value); | |
509 | } | |
510 | ||
511 | static int cmd_RequestCAPath(SSL_CONF_CTX *cctx, const char *value) | |
429261d0 DSH |
512 | { |
513 | if (cctx->canames == NULL) | |
514 | cctx->canames = sk_X509_NAME_new_null(); | |
515 | if (cctx->canames == NULL) | |
516 | return 0; | |
517 | return SSL_add_dir_cert_subjects_to_stack(cctx->canames, value); | |
518 | } | |
519 | ||
be885d50 DSH |
520 | static int cmd_ClientCAPath(SSL_CONF_CTX *cctx, const char *value) |
521 | { | |
522 | return cmd_RequestCAPath(cctx, value); | |
523 | } | |
524 | ||
c557f921 DSH |
525 | #ifndef OPENSSL_NO_DH |
526 | static int cmd_DHParameters(SSL_CONF_CTX *cctx, const char *value) | |
0f113f3e MC |
527 | { |
528 | int rv = 0; | |
529 | DH *dh = NULL; | |
530 | BIO *in = NULL; | |
0f113f3e | 531 | if (cctx->ctx || cctx->ssl) { |
9982cbbb | 532 | in = BIO_new(BIO_s_file()); |
a71edf3b | 533 | if (in == NULL) |
0f113f3e MC |
534 | goto end; |
535 | if (BIO_read_filename(in, value) <= 0) | |
536 | goto end; | |
537 | dh = PEM_read_bio_DHparams(in, NULL, NULL, NULL); | |
a71edf3b | 538 | if (dh == NULL) |
0f113f3e MC |
539 | goto end; |
540 | } else | |
541 | return 1; | |
542 | if (cctx->ctx) | |
543 | rv = SSL_CTX_set_tmp_dh(cctx->ctx, dh); | |
544 | if (cctx->ssl) | |
545 | rv = SSL_set_tmp_dh(cctx->ssl, dh); | |
546 | end: | |
d6407083 | 547 | DH_free(dh); |
ca3a82c3 | 548 | BIO_free(in); |
0f113f3e MC |
549 | return rv > 0; |
550 | } | |
c557f921 | 551 | #endif |
c649d10d TS |
552 | |
553 | static int cmd_RecordPadding(SSL_CONF_CTX *cctx, const char *value) | |
554 | { | |
555 | int rv = 0; | |
556 | int block_size = atoi(value); | |
557 | ||
558 | /* | |
559 | * All we care about is a non-negative value, | |
560 | * the setters check the range | |
561 | */ | |
562 | if (block_size >= 0) { | |
563 | if (cctx->ctx) | |
564 | rv = SSL_CTX_set_block_padding(cctx->ctx, block_size); | |
565 | if (cctx->ssl) | |
566 | rv = SSL_set_block_padding(cctx->ssl, block_size); | |
567 | } | |
568 | return rv; | |
569 | } | |
570 | ||
394159da MC |
571 | |
572 | static int cmd_NumTickets(SSL_CONF_CTX *cctx, const char *value) | |
573 | { | |
574 | int rv = 0; | |
575 | int num_tickets = atoi(value); | |
576 | ||
577 | if (num_tickets >= 0) { | |
578 | if (cctx->ctx) | |
579 | rv = SSL_CTX_set_num_tickets(cctx->ctx, num_tickets); | |
580 | if (cctx->ssl) | |
581 | rv = SSL_set_num_tickets(cctx->ssl, num_tickets); | |
582 | } | |
583 | return rv; | |
584 | } | |
585 | ||
0f113f3e MC |
586 | typedef struct { |
587 | int (*cmd) (SSL_CONF_CTX *cctx, const char *value); | |
588 | const char *str_file; | |
589 | const char *str_cmdline; | |
656b2605 DSH |
590 | unsigned short flags; |
591 | unsigned short value_type; | |
0f113f3e | 592 | } ssl_conf_cmd_tbl; |
3db935a9 | 593 | |
ec2f7e56 DSH |
594 | /* Table of supported parameters */ |
595 | ||
656b2605 DSH |
596 | #define SSL_CONF_CMD(name, cmdopt, flags, type) \ |
597 | {cmd_##name, #name, cmdopt, flags, type} | |
598 | ||
599 | #define SSL_CONF_CMD_STRING(name, cmdopt, flags) \ | |
600 | SSL_CONF_CMD(name, cmdopt, flags, SSL_CONF_TYPE_STRING) | |
ec2f7e56 | 601 | |
656b2605 DSH |
602 | #define SSL_CONF_CMD_SWITCH(name, flags) \ |
603 | {0, NULL, name, flags, SSL_CONF_TYPE_NONE} | |
3db935a9 | 604 | |
7e1b7485 | 605 | /* See apps/apps.h if you change this table. */ |
27f3b65f | 606 | static const ssl_conf_cmd_tbl ssl_conf_cmds[] = { |
656b2605 DSH |
607 | SSL_CONF_CMD_SWITCH("no_ssl3", 0), |
608 | SSL_CONF_CMD_SWITCH("no_tls1", 0), | |
609 | SSL_CONF_CMD_SWITCH("no_tls1_1", 0), | |
610 | SSL_CONF_CMD_SWITCH("no_tls1_2", 0), | |
582a17d6 | 611 | SSL_CONF_CMD_SWITCH("no_tls1_3", 0), |
656b2605 | 612 | SSL_CONF_CMD_SWITCH("bugs", 0), |
cc5a9ba4 | 613 | SSL_CONF_CMD_SWITCH("no_comp", 0), |
dc5744cb | 614 | SSL_CONF_CMD_SWITCH("comp", 0), |
656b2605 | 615 | SSL_CONF_CMD_SWITCH("ecdh_single", SSL_CONF_FLAG_SERVER), |
656b2605 | 616 | SSL_CONF_CMD_SWITCH("no_ticket", 0), |
656b2605 DSH |
617 | SSL_CONF_CMD_SWITCH("serverpref", SSL_CONF_FLAG_SERVER), |
618 | SSL_CONF_CMD_SWITCH("legacy_renegotiation", 0), | |
619 | SSL_CONF_CMD_SWITCH("legacy_server_connect", SSL_CONF_FLAG_SERVER), | |
db0f35dd | 620 | SSL_CONF_CMD_SWITCH("no_renegotiation", 0), |
656b2605 DSH |
621 | SSL_CONF_CMD_SWITCH("no_resumption_on_reneg", SSL_CONF_FLAG_SERVER), |
622 | SSL_CONF_CMD_SWITCH("no_legacy_server_connect", SSL_CONF_FLAG_SERVER), | |
e3c0d76b | 623 | SSL_CONF_CMD_SWITCH("allow_no_dhe_kex", 0), |
e1c7871d | 624 | SSL_CONF_CMD_SWITCH("prioritize_chacha", SSL_CONF_FLAG_SERVER), |
656b2605 | 625 | SSL_CONF_CMD_SWITCH("strict", 0), |
db37d32c | 626 | SSL_CONF_CMD_SWITCH("no_middlebox", 0), |
3bb5e5b0 MC |
627 | SSL_CONF_CMD_SWITCH("anti_replay", SSL_CONF_FLAG_SERVER), |
628 | SSL_CONF_CMD_SWITCH("no_anti_replay", SSL_CONF_FLAG_SERVER), | |
656b2605 DSH |
629 | SSL_CONF_CMD_STRING(SignatureAlgorithms, "sigalgs", 0), |
630 | SSL_CONF_CMD_STRING(ClientSignatureAlgorithms, "client_sigalgs", 0), | |
631 | SSL_CONF_CMD_STRING(Curves, "curves", 0), | |
de4d764e | 632 | SSL_CONF_CMD_STRING(Groups, "groups", 0), |
10bf4fc2 | 633 | #ifndef OPENSSL_NO_EC |
656b2605 | 634 | SSL_CONF_CMD_STRING(ECDHParameters, "named_curve", SSL_CONF_FLAG_SERVER), |
14536c8c | 635 | #endif |
656b2605 | 636 | SSL_CONF_CMD_STRING(CipherString, "cipher", 0), |
f865b081 | 637 | SSL_CONF_CMD_STRING(Ciphersuites, "ciphersuites", 0), |
656b2605 | 638 | SSL_CONF_CMD_STRING(Protocol, NULL, 0), |
453dfd8d EK |
639 | SSL_CONF_CMD_STRING(MinProtocol, "min_protocol", 0), |
640 | SSL_CONF_CMD_STRING(MaxProtocol, "max_protocol", 0), | |
656b2605 | 641 | SSL_CONF_CMD_STRING(Options, NULL, 0), |
429261d0 | 642 | SSL_CONF_CMD_STRING(VerifyMode, NULL, 0), |
656b2605 DSH |
643 | SSL_CONF_CMD(Certificate, "cert", SSL_CONF_FLAG_CERTIFICATE, |
644 | SSL_CONF_TYPE_FILE), | |
645 | SSL_CONF_CMD(PrivateKey, "key", SSL_CONF_FLAG_CERTIFICATE, | |
646 | SSL_CONF_TYPE_FILE), | |
647 | SSL_CONF_CMD(ServerInfoFile, NULL, | |
648 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
649 | SSL_CONF_TYPE_FILE), | |
429261d0 DSH |
650 | SSL_CONF_CMD(ChainCAPath, "chainCApath", SSL_CONF_FLAG_CERTIFICATE, |
651 | SSL_CONF_TYPE_DIR), | |
652 | SSL_CONF_CMD(ChainCAFile, "chainCAfile", SSL_CONF_FLAG_CERTIFICATE, | |
653 | SSL_CONF_TYPE_FILE), | |
654 | SSL_CONF_CMD(VerifyCAPath, "verifyCApath", SSL_CONF_FLAG_CERTIFICATE, | |
655 | SSL_CONF_TYPE_DIR), | |
656 | SSL_CONF_CMD(VerifyCAFile, "verifyCAfile", SSL_CONF_FLAG_CERTIFICATE, | |
657 | SSL_CONF_TYPE_FILE), | |
be885d50 DSH |
658 | SSL_CONF_CMD(RequestCAFile, "requestCAFile", SSL_CONF_FLAG_CERTIFICATE, |
659 | SSL_CONF_TYPE_FILE), | |
429261d0 DSH |
660 | SSL_CONF_CMD(ClientCAFile, NULL, |
661 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
662 | SSL_CONF_TYPE_FILE), | |
be885d50 DSH |
663 | SSL_CONF_CMD(RequestCAPath, NULL, SSL_CONF_FLAG_CERTIFICATE, |
664 | SSL_CONF_TYPE_DIR), | |
429261d0 DSH |
665 | SSL_CONF_CMD(ClientCAPath, NULL, |
666 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
667 | SSL_CONF_TYPE_DIR), | |
c557f921 | 668 | #ifndef OPENSSL_NO_DH |
656b2605 DSH |
669 | SSL_CONF_CMD(DHParameters, "dhparam", |
670 | SSL_CONF_FLAG_SERVER | SSL_CONF_FLAG_CERTIFICATE, | |
c649d10d | 671 | SSL_CONF_TYPE_FILE), |
656b2605 | 672 | #endif |
394159da | 673 | SSL_CONF_CMD_STRING(RecordPadding, "record_padding", 0), |
3bb5e5b0 | 674 | SSL_CONF_CMD_STRING(NumTickets, "num_tickets", SSL_CONF_FLAG_SERVER), |
656b2605 DSH |
675 | }; |
676 | ||
677 | /* Supported switches: must match order of switches in ssl_conf_cmds */ | |
678 | static const ssl_switch_tbl ssl_cmd_switches[] = { | |
679 | {SSL_OP_NO_SSLv3, 0}, /* no_ssl3 */ | |
680 | {SSL_OP_NO_TLSv1, 0}, /* no_tls1 */ | |
681 | {SSL_OP_NO_TLSv1_1, 0}, /* no_tls1_1 */ | |
682 | {SSL_OP_NO_TLSv1_2, 0}, /* no_tls1_2 */ | |
582a17d6 | 683 | {SSL_OP_NO_TLSv1_3, 0}, /* no_tls1_3 */ |
656b2605 | 684 | {SSL_OP_ALL, 0}, /* bugs */ |
cc5a9ba4 VD |
685 | {SSL_OP_NO_COMPRESSION, 0}, /* no_comp */ |
686 | {SSL_OP_NO_COMPRESSION, SSL_TFLAG_INV}, /* comp */ | |
656b2605 | 687 | {SSL_OP_SINGLE_ECDH_USE, 0}, /* ecdh_single */ |
656b2605 | 688 | {SSL_OP_NO_TICKET, 0}, /* no_ticket */ |
656b2605 DSH |
689 | {SSL_OP_CIPHER_SERVER_PREFERENCE, 0}, /* serverpref */ |
690 | /* legacy_renegotiation */ | |
691 | {SSL_OP_ALLOW_UNSAFE_LEGACY_RENEGOTIATION, 0}, | |
692 | /* legacy_server_connect */ | |
693 | {SSL_OP_LEGACY_SERVER_CONNECT, 0}, | |
db0f35dd TS |
694 | /* no_renegotiation */ |
695 | {SSL_OP_NO_RENEGOTIATION, 0}, | |
656b2605 DSH |
696 | /* no_resumption_on_reneg */ |
697 | {SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION, 0}, | |
698 | /* no_legacy_server_connect */ | |
699 | {SSL_OP_LEGACY_SERVER_CONNECT, SSL_TFLAG_INV}, | |
e3c0d76b MC |
700 | /* allow_no_dhe_kex */ |
701 | {SSL_OP_ALLOW_NO_DHE_KEX, 0}, | |
e1c7871d TS |
702 | /* chacha reprioritization */ |
703 | {SSL_OP_PRIORITIZE_CHACHA, 0}, | |
656b2605 | 704 | {SSL_CERT_FLAG_TLS_STRICT, SSL_TFLAG_CERT}, /* strict */ |
a5816a5a MC |
705 | /* no_middlebox */ |
706 | {SSL_OP_ENABLE_MIDDLEBOX_COMPAT, SSL_TFLAG_INV}, | |
3bb5e5b0 MC |
707 | /* anti_replay */ |
708 | {SSL_OP_NO_ANTI_REPLAY, SSL_TFLAG_INV}, | |
709 | /* no_anti_replay */ | |
710 | {SSL_OP_NO_ANTI_REPLAY, 0}, | |
3db935a9 DSH |
711 | }; |
712 | ||
ec2f7e56 | 713 | static int ssl_conf_cmd_skip_prefix(SSL_CONF_CTX *cctx, const char **pcmd) |
0f113f3e MC |
714 | { |
715 | if (!pcmd || !*pcmd) | |
716 | return 0; | |
717 | /* If a prefix is set, check and skip */ | |
718 | if (cctx->prefix) { | |
719 | if (strlen(*pcmd) <= cctx->prefixlen) | |
720 | return 0; | |
721 | if (cctx->flags & SSL_CONF_FLAG_CMDLINE && | |
722 | strncmp(*pcmd, cctx->prefix, cctx->prefixlen)) | |
723 | return 0; | |
724 | if (cctx->flags & SSL_CONF_FLAG_FILE && | |
725 | strncasecmp(*pcmd, cctx->prefix, cctx->prefixlen)) | |
726 | return 0; | |
727 | *pcmd += cctx->prefixlen; | |
728 | } else if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { | |
729 | if (**pcmd != '-' || !(*pcmd)[1]) | |
730 | return 0; | |
731 | *pcmd += 1; | |
732 | } | |
733 | return 1; | |
734 | } | |
735 | ||
656b2605 | 736 | /* Determine if a command is allowed according to cctx flags */ |
a230b26e | 737 | static int ssl_conf_cmd_allowed(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * t) |
656b2605 DSH |
738 | { |
739 | unsigned int tfl = t->flags; | |
740 | unsigned int cfl = cctx->flags; | |
741 | if ((tfl & SSL_CONF_FLAG_SERVER) && !(cfl & SSL_CONF_FLAG_SERVER)) | |
742 | return 0; | |
743 | if ((tfl & SSL_CONF_FLAG_CLIENT) && !(cfl & SSL_CONF_FLAG_CLIENT)) | |
744 | return 0; | |
745 | if ((tfl & SSL_CONF_FLAG_CERTIFICATE) | |
746 | && !(cfl & SSL_CONF_FLAG_CERTIFICATE)) | |
747 | return 0; | |
748 | return 1; | |
749 | } | |
750 | ||
0f113f3e MC |
751 | static const ssl_conf_cmd_tbl *ssl_conf_cmd_lookup(SSL_CONF_CTX *cctx, |
752 | const char *cmd) | |
753 | { | |
754 | const ssl_conf_cmd_tbl *t; | |
755 | size_t i; | |
756 | if (cmd == NULL) | |
757 | return NULL; | |
758 | ||
759 | /* Look for matching parameter name in table */ | |
b6eb9827 | 760 | for (i = 0, t = ssl_conf_cmds; i < OSSL_NELEM(ssl_conf_cmds); i++, t++) { |
656b2605 DSH |
761 | if (ssl_conf_cmd_allowed(cctx, t)) { |
762 | if (cctx->flags & SSL_CONF_FLAG_CMDLINE) { | |
86885c28 | 763 | if (t->str_cmdline && strcmp(t->str_cmdline, cmd) == 0) |
656b2605 DSH |
764 | return t; |
765 | } | |
766 | if (cctx->flags & SSL_CONF_FLAG_FILE) { | |
86885c28 | 767 | if (t->str_file && strcasecmp(t->str_file, cmd) == 0) |
656b2605 DSH |
768 | return t; |
769 | } | |
0f113f3e MC |
770 | } |
771 | } | |
772 | return NULL; | |
773 | } | |
ec2f7e56 | 774 | |
a230b26e | 775 | static int ctrl_switch_option(SSL_CONF_CTX *cctx, const ssl_conf_cmd_tbl * cmd) |
656b2605 DSH |
776 | { |
777 | /* Find index of command in table */ | |
778 | size_t idx = cmd - ssl_conf_cmds; | |
779 | const ssl_switch_tbl *scmd; | |
780 | /* Sanity check index */ | |
781 | if (idx >= OSSL_NELEM(ssl_cmd_switches)) | |
782 | return 0; | |
783 | /* Obtain switches entry with same index */ | |
784 | scmd = ssl_cmd_switches + idx; | |
785 | ssl_set_option(cctx, scmd->name_flags, scmd->option_value, 1); | |
786 | return 1; | |
787 | } | |
788 | ||
ec2f7e56 | 789 | int SSL_CONF_cmd(SSL_CONF_CTX *cctx, const char *cmd, const char *value) |
0f113f3e MC |
790 | { |
791 | const ssl_conf_cmd_tbl *runcmd; | |
792 | if (cmd == NULL) { | |
793 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_INVALID_NULL_CMD_NAME); | |
794 | return 0; | |
795 | } | |
796 | ||
797 | if (!ssl_conf_cmd_skip_prefix(cctx, &cmd)) | |
798 | return -2; | |
799 | ||
800 | runcmd = ssl_conf_cmd_lookup(cctx, cmd); | |
801 | ||
802 | if (runcmd) { | |
803 | int rv; | |
656b2605 DSH |
804 | if (runcmd->value_type == SSL_CONF_TYPE_NONE) { |
805 | return ctrl_switch_option(cctx, runcmd); | |
806 | } | |
0f113f3e MC |
807 | if (value == NULL) |
808 | return -3; | |
809 | rv = runcmd->cmd(cctx, value); | |
810 | if (rv > 0) | |
811 | return 2; | |
812 | if (rv == -2) | |
813 | return -2; | |
814 | if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { | |
815 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_BAD_VALUE); | |
816 | ERR_add_error_data(4, "cmd=", cmd, ", value=", value); | |
817 | } | |
818 | return 0; | |
819 | } | |
820 | ||
0f113f3e MC |
821 | if (cctx->flags & SSL_CONF_FLAG_SHOW_ERRORS) { |
822 | SSLerr(SSL_F_SSL_CONF_CMD, SSL_R_UNKNOWN_CMD_NAME); | |
823 | ERR_add_error_data(2, "cmd=", cmd); | |
824 | } | |
825 | ||
826 | return -2; | |
827 | } | |
3db935a9 DSH |
828 | |
829 | int SSL_CONF_cmd_argv(SSL_CONF_CTX *cctx, int *pargc, char ***pargv) | |
0f113f3e MC |
830 | { |
831 | int rv; | |
832 | const char *arg = NULL, *argn; | |
833 | if (pargc && *pargc == 0) | |
834 | return 0; | |
835 | if (!pargc || *pargc > 0) | |
836 | arg = **pargv; | |
837 | if (arg == NULL) | |
838 | return 0; | |
839 | if (!pargc || *pargc > 1) | |
840 | argn = (*pargv)[1]; | |
841 | else | |
842 | argn = NULL; | |
843 | cctx->flags &= ~SSL_CONF_FLAG_FILE; | |
844 | cctx->flags |= SSL_CONF_FLAG_CMDLINE; | |
845 | rv = SSL_CONF_cmd(cctx, arg, argn); | |
846 | if (rv > 0) { | |
847 | /* Success: update pargc, pargv */ | |
848 | (*pargv) += rv; | |
849 | if (pargc) | |
850 | (*pargc) -= rv; | |
851 | return rv; | |
852 | } | |
853 | /* Unknown switch: indicate no arguments processed */ | |
854 | if (rv == -2) | |
855 | return 0; | |
856 | /* Some error occurred processing command, return fatal error */ | |
857 | if (rv == 0) | |
858 | return -1; | |
859 | return rv; | |
860 | } | |
3db935a9 | 861 | |
ec2f7e56 | 862 | int SSL_CONF_cmd_value_type(SSL_CONF_CTX *cctx, const char *cmd) |
0f113f3e MC |
863 | { |
864 | if (ssl_conf_cmd_skip_prefix(cctx, &cmd)) { | |
865 | const ssl_conf_cmd_tbl *runcmd; | |
866 | runcmd = ssl_conf_cmd_lookup(cctx, cmd); | |
867 | if (runcmd) | |
868 | return runcmd->value_type; | |
869 | } | |
870 | return SSL_CONF_TYPE_UNKNOWN; | |
871 | } | |
ec2f7e56 | 872 | |
3db935a9 | 873 | SSL_CONF_CTX *SSL_CONF_CTX_new(void) |
0f113f3e | 874 | { |
64b25758 | 875 | SSL_CONF_CTX *ret = OPENSSL_zalloc(sizeof(*ret)); |
b4faea50 | 876 | |
0f113f3e MC |
877 | return ret; |
878 | } | |
3db935a9 | 879 | |
ec2f7e56 | 880 | int SSL_CONF_CTX_finish(SSL_CONF_CTX *cctx) |
0f113f3e | 881 | { |
2011b169 DSH |
882 | /* See if any certificates are missing private keys */ |
883 | size_t i; | |
884 | CERT *c = NULL; | |
885 | if (cctx->ctx) | |
886 | c = cctx->ctx->cert; | |
887 | else if (cctx->ssl) | |
888 | c = cctx->ssl->cert; | |
889 | if (c && cctx->flags & SSL_CONF_FLAG_REQUIRE_PRIVATE) { | |
890 | for (i = 0; i < SSL_PKEY_NUM; i++) { | |
891 | const char *p = cctx->cert_filename[i]; | |
892 | /* | |
893 | * If missing private key try to load one from certificate file | |
894 | */ | |
895 | if (p && !c->pkeys[i].privatekey) { | |
896 | if (!cmd_PrivateKey(cctx, p)) | |
897 | return 0; | |
898 | } | |
899 | } | |
900 | } | |
429261d0 DSH |
901 | if (cctx->canames) { |
902 | if (cctx->ssl) | |
be885d50 | 903 | SSL_set0_CA_list(cctx->ssl, cctx->canames); |
429261d0 | 904 | else if (cctx->ctx) |
be885d50 | 905 | SSL_CTX_set0_CA_list(cctx->ctx, cctx->canames); |
429261d0 DSH |
906 | else |
907 | sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); | |
908 | cctx->canames = NULL; | |
909 | } | |
0f113f3e MC |
910 | return 1; |
911 | } | |
ec2f7e56 | 912 | |
3db935a9 | 913 | void SSL_CONF_CTX_free(SSL_CONF_CTX *cctx) |
0f113f3e MC |
914 | { |
915 | if (cctx) { | |
2011b169 | 916 | size_t i; |
656b2605 | 917 | for (i = 0; i < SSL_PKEY_NUM; i++) |
b548a1f1 | 918 | OPENSSL_free(cctx->cert_filename[i]); |
b548a1f1 | 919 | OPENSSL_free(cctx->prefix); |
429261d0 | 920 | sk_X509_NAME_pop_free(cctx->canames, X509_NAME_free); |
4445704f | 921 | OPENSSL_free(cctx); |
0f113f3e MC |
922 | } |
923 | } | |
3db935a9 DSH |
924 | |
925 | unsigned int SSL_CONF_CTX_set_flags(SSL_CONF_CTX *cctx, unsigned int flags) | |
0f113f3e MC |
926 | { |
927 | cctx->flags |= flags; | |
928 | return cctx->flags; | |
929 | } | |
3db935a9 DSH |
930 | |
931 | unsigned int SSL_CONF_CTX_clear_flags(SSL_CONF_CTX *cctx, unsigned int flags) | |
0f113f3e MC |
932 | { |
933 | cctx->flags &= ~flags; | |
934 | return cctx->flags; | |
935 | } | |
3db935a9 DSH |
936 | |
937 | int SSL_CONF_CTX_set1_prefix(SSL_CONF_CTX *cctx, const char *pre) | |
0f113f3e MC |
938 | { |
939 | char *tmp = NULL; | |
940 | if (pre) { | |
7644a9ae | 941 | tmp = OPENSSL_strdup(pre); |
0f113f3e MC |
942 | if (tmp == NULL) |
943 | return 0; | |
944 | } | |
b548a1f1 | 945 | OPENSSL_free(cctx->prefix); |
0f113f3e MC |
946 | cctx->prefix = tmp; |
947 | if (tmp) | |
948 | cctx->prefixlen = strlen(tmp); | |
949 | else | |
950 | cctx->prefixlen = 0; | |
951 | return 1; | |
952 | } | |
3db935a9 DSH |
953 | |
954 | void SSL_CONF_CTX_set_ssl(SSL_CONF_CTX *cctx, SSL *ssl) | |
0f113f3e MC |
955 | { |
956 | cctx->ssl = ssl; | |
957 | cctx->ctx = NULL; | |
958 | if (ssl) { | |
959 | cctx->poptions = &ssl->options; | |
7946ab33 KR |
960 | cctx->min_version = &ssl->min_proto_version; |
961 | cctx->max_version = &ssl->max_proto_version; | |
0f113f3e | 962 | cctx->pcert_flags = &ssl->cert->cert_flags; |
429261d0 | 963 | cctx->pvfy_flags = &ssl->verify_mode; |
0f113f3e MC |
964 | } else { |
965 | cctx->poptions = NULL; | |
7946ab33 KR |
966 | cctx->min_version = NULL; |
967 | cctx->max_version = NULL; | |
0f113f3e | 968 | cctx->pcert_flags = NULL; |
429261d0 | 969 | cctx->pvfy_flags = NULL; |
0f113f3e MC |
970 | } |
971 | } | |
3db935a9 DSH |
972 | |
973 | void SSL_CONF_CTX_set_ssl_ctx(SSL_CONF_CTX *cctx, SSL_CTX *ctx) | |
0f113f3e MC |
974 | { |
975 | cctx->ctx = ctx; | |
976 | cctx->ssl = NULL; | |
977 | if (ctx) { | |
978 | cctx->poptions = &ctx->options; | |
7946ab33 KR |
979 | cctx->min_version = &ctx->min_proto_version; |
980 | cctx->max_version = &ctx->max_proto_version; | |
0f113f3e | 981 | cctx->pcert_flags = &ctx->cert->cert_flags; |
429261d0 | 982 | cctx->pvfy_flags = &ctx->verify_mode; |
0f113f3e MC |
983 | } else { |
984 | cctx->poptions = NULL; | |
7946ab33 KR |
985 | cctx->min_version = NULL; |
986 | cctx->max_version = NULL; | |
0f113f3e | 987 | cctx->pcert_flags = NULL; |
429261d0 | 988 | cctx->pvfy_flags = NULL; |
0f113f3e MC |
989 | } |
990 | } |