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Commit | Line | Data |
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0f113f3e | 1 | /* |
3c7d0945 | 2 | * Copyright 2001-2018 The OpenSSL Project Authors. All Rights Reserved. |
5782ceb2 | 3 | * |
dffa7520 | 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 | |
5782ceb2 DSH |
8 | */ |
9 | ||
3e41ac35 MC |
10 | #include <openssl/opensslconf.h> |
11 | ||
12 | #ifdef OPENSSL_NO_OCSP | |
13 | NON_EMPTY_TRANSLATION_UNIT | |
14 | #else | |
0f113f3e MC |
15 | # ifdef OPENSSL_SYS_VMS |
16 | # define _XOPEN_SOURCE_EXTENDED/* So fd_set and friends get properly defined | |
17 | * on OpenVMS */ | |
18 | # endif | |
19 | ||
0f113f3e MC |
20 | # include <stdio.h> |
21 | # include <stdlib.h> | |
22 | # include <string.h> | |
23 | # include <time.h> | |
98cd49db | 24 | # include <ctype.h> |
3e41ac35 MC |
25 | |
26 | /* Needs to be included before the openssl headers */ | |
27 | # include "apps.h" | |
dab2cd68 | 28 | # include "progs.h" |
3e3c7c36 | 29 | # include "internal/sockets.h" |
0f113f3e MC |
30 | # include <openssl/e_os2.h> |
31 | # include <openssl/crypto.h> | |
32 | # include <openssl/err.h> | |
33 | # include <openssl/ssl.h> | |
34 | # include <openssl/evp.h> | |
35 | # include <openssl/bn.h> | |
36 | # include <openssl/x509v3.h> | |
3e3c7c36 VD |
37 | # include <openssl/rand.h> |
38 | ||
ca811248 RL |
39 | #ifndef HAVE_FORK |
40 | # if defined(OPENSSL_SYS_VMS) || defined(OPENSSL_SYS_WINDOWS) | |
41 | # define HAVE_FORK 0 | |
42 | # else | |
43 | # define HAVE_FORK 1 | |
44 | # endif | |
45 | #endif | |
46 | ||
47 | #if HAVE_FORK | |
48 | # undef NO_FORK | |
49 | #else | |
50 | # define NO_FORK | |
51 | #endif | |
52 | ||
53 | # if !defined(NO_FORK) && !defined(OPENSSL_NO_SOCK) \ | |
1a54618b | 54 | && !defined(OPENSSL_NO_POSIX_IO) |
3e3c7c36 VD |
55 | # define OCSP_DAEMON |
56 | # include <sys/types.h> | |
57 | # include <sys/wait.h> | |
58 | # include <syslog.h> | |
59 | # include <signal.h> | |
60 | # define MAXERRLEN 1000 /* limit error text sent to syslog to 1000 bytes */ | |
61 | # else | |
62 | # undef LOG_INFO | |
63 | # undef LOG_WARNING | |
64 | # undef LOG_ERR | |
65 | # define LOG_INFO 0 | |
66 | # define LOG_WARNING 1 | |
67 | # define LOG_ERR 2 | |
68 | # endif | |
0f113f3e | 69 | |
5c8b7b4c KT |
70 | # if defined(OPENSSL_SYS_VXWORKS) |
71 | /* not supported */ | |
72 | int setpgid(pid_t pid, pid_t pgid) | |
73 | { | |
74 | errno = ENOSYS; | |
75 | return 0; | |
76 | } | |
77 | /* not supported */ | |
78 | pid_t fork(void) | |
79 | { | |
80 | errno = ENOSYS; | |
81 | return (pid_t) -1; | |
82 | } | |
83 | # endif | |
0f113f3e | 84 | /* Maximum leeway in validity period: default 5 minutes */ |
7e1b7485 | 85 | # define MAX_VALIDITY_PERIOD (5 * 60) |
0f113f3e MC |
86 | |
87 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, | |
88 | const EVP_MD *cert_id_md, X509 *issuer, | |
89 | STACK_OF(OCSP_CERTID) *ids); | |
90 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, | |
91 | const EVP_MD *cert_id_md, X509 *issuer, | |
92 | STACK_OF(OCSP_CERTID) *ids); | |
7e1b7485 | 93 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
0f113f3e MC |
94 | STACK_OF(OPENSSL_STRING) *names, |
95 | STACK_OF(OCSP_CERTID) *ids, long nsec, | |
96 | long maxage); | |
b4dd21a7 | 97 | static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
3bb0f989 | 98 | CA_DB *db, STACK_OF(X509) *ca, X509 *rcert, |
0f113f3e | 99 | EVP_PKEY *rkey, const EVP_MD *md, |
b4dd21a7 | 100 | STACK_OF(OPENSSL_STRING) *sigopts, |
0f113f3e | 101 | STACK_OF(X509) *rother, unsigned long flags, |
0770c882 TS |
102 | int nmin, int ndays, int badsig, |
103 | const EVP_MD *resp_md); | |
ee306a13 | 104 | |
f85b68cd | 105 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser); |
c45a48c1 | 106 | static BIO *init_responder(const char *port); |
3e3c7c36 | 107 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, int timeout); |
ee306a13 | 108 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp); |
3e3c7c36 VD |
109 | static void log_message(int level, const char *fmt, ...); |
110 | static char *prog; | |
111 | static int multi = 0; | |
112 | ||
113 | # ifdef OCSP_DAEMON | |
114 | static int acfd = (int) INVALID_SOCKET; | |
115 | static int index_changed(CA_DB *); | |
116 | static void spawn_loop(void); | |
117 | static int print_syslog(const char *str, size_t len, void *levPtr); | |
e9b95e42 | 118 | static void socket_timeout(int signum); |
3e3c7c36 | 119 | # endif |
f9e55034 MC |
120 | |
121 | # ifndef OPENSSL_NO_SOCK | |
76e0cd12 DSH |
122 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host, |
123 | const char *path, | |
0f113f3e MC |
124 | const STACK_OF(CONF_VALUE) *headers, |
125 | OCSP_REQUEST *req, int req_timeout); | |
f9e55034 | 126 | # endif |
ee306a13 | 127 | |
7e1b7485 RS |
128 | typedef enum OPTION_choice { |
129 | OPT_ERR = -1, OPT_EOF = 0, OPT_HELP, | |
130 | OPT_OUTFILE, OPT_TIMEOUT, OPT_URL, OPT_HOST, OPT_PORT, | |
131 | OPT_IGNORE_ERR, OPT_NOVERIFY, OPT_NONCE, OPT_NO_NONCE, | |
132 | OPT_RESP_NO_CERTS, OPT_RESP_KEY_ID, OPT_NO_CERTS, | |
133 | OPT_NO_SIGNATURE_VERIFY, OPT_NO_CERT_VERIFY, OPT_NO_CHAIN, | |
134 | OPT_NO_CERT_CHECKS, OPT_NO_EXPLICIT, OPT_TRUST_OTHER, | |
135 | OPT_NO_INTERN, OPT_BADSIG, OPT_TEXT, OPT_REQ_TEXT, OPT_RESP_TEXT, | |
136 | OPT_REQIN, OPT_RESPIN, OPT_SIGNER, OPT_VAFILE, OPT_SIGN_OTHER, | |
fd3397fc RL |
137 | OPT_VERIFY_OTHER, OPT_CAFILE, OPT_CAPATH, OPT_CASTORE, OPT_NOCAFILE, |
138 | OPT_NOCAPATH, OPT_NOCASTORE, | |
7e1b7485 | 139 | OPT_VALIDITY_PERIOD, OPT_STATUS_AGE, OPT_SIGNKEY, OPT_REQOUT, |
c6724060 | 140 | OPT_RESPOUT, OPT_PATH, OPT_ISSUER, OPT_CERT, OPT_SERIAL, |
7e1b7485 | 141 | OPT_INDEX, OPT_CA, OPT_NMIN, OPT_REQUEST, OPT_NDAYS, OPT_RSIGNER, |
04940147 | 142 | OPT_RKEY, OPT_ROTHER, OPT_RMD, OPT_RSIGOPT, OPT_HEADER, |
1cf20ca3 | 143 | OPT_PASSIN, |
0770c882 | 144 | OPT_RCID, |
7e1b7485 | 145 | OPT_V_ENUM, |
3e3c7c36 VD |
146 | OPT_MD, |
147 | OPT_MULTI | |
7e1b7485 RS |
148 | } OPTION_CHOICE; |
149 | ||
44c83ebd | 150 | const OPTIONS ocsp_options[] = { |
5388f986 | 151 | OPT_SECTION("General"), |
7e1b7485 | 152 | {"help", OPT_HELP, '-', "Display this summary"}, |
12d56b29 | 153 | {"ignore_err", OPT_IGNORE_ERR, '-', |
bbe9c3d5 | 154 | "Ignore error on OCSP request or response and continue running"}, |
5388f986 RS |
155 | {"CAfile", OPT_CAFILE, '<', "Trusted certificates file"}, |
156 | {"CApath", OPT_CAPATH, '<', "Trusted certificates directory"}, | |
157 | {"CAstore", OPT_CASTORE, ':', "Trusted certificates store URI"}, | |
158 | {"no-CAfile", OPT_NOCAFILE, '-', | |
159 | "Do not load the default certificates file"}, | |
160 | {"no-CApath", OPT_NOCAPATH, '-', | |
161 | "Do not load certificates from the default certificates directory"}, | |
162 | {"no-CAstore", OPT_NOCAPATH, '-', | |
163 | "Do not load certificates from the default certificates store"}, | |
164 | ||
165 | OPT_SECTION("Responder"), | |
166 | {"timeout", OPT_TIMEOUT, 'p', | |
167 | "Connection timeout (in seconds) to the OCSP responder"}, | |
7e1b7485 RS |
168 | {"resp_no_certs", OPT_RESP_NO_CERTS, '-', |
169 | "Don't include any certificates in response"}, | |
3e3c7c36 VD |
170 | # ifdef OCSP_DAEMON |
171 | {"multi", OPT_MULTI, 'p', "run multiple responder processes"}, | |
172 | # endif | |
7e1b7485 RS |
173 | {"no_certs", OPT_NO_CERTS, '-', |
174 | "Don't include any certificates in signed request"}, | |
5388f986 RS |
175 | {"badsig", OPT_BADSIG, '-', |
176 | "Corrupt last byte of loaded OSCP response signature (for test)"}, | |
177 | {"CA", OPT_CA, '<', "CA certificate"}, | |
178 | {"nmin", OPT_NMIN, 'p', "Number of minutes before next update"}, | |
179 | {"nrequest", OPT_REQUEST, 'p', | |
180 | "Number of requests to accept (default unlimited)"}, | |
181 | {"reqin", OPT_REQIN, 's', "File with the DER-encoded request"}, | |
182 | {"signer", OPT_SIGNER, '<', "Certificate to sign OCSP request with"}, | |
183 | {"sign_other", OPT_SIGN_OTHER, '<', | |
184 | "Additional certificates to include in signed request"}, | |
185 | {"index", OPT_INDEX, '<', "Certificate status index file"}, | |
186 | {"ndays", OPT_NDAYS, 'p', "Number of days before next update"}, | |
187 | {"rsigner", OPT_RSIGNER, '<', | |
188 | "Responder certificate to sign responses with"}, | |
189 | {"rkey", OPT_RKEY, '<', "Responder key to sign responses with"}, | |
1cf20ca3 | 190 | {"passin", OPT_PASSIN, 's', "Responder key pass phrase source"}, |
5388f986 RS |
191 | {"rother", OPT_ROTHER, '<', "Other certificates to include in response"}, |
192 | {"rmd", OPT_RMD, 's', "Digest Algorithm to use in signature of OCSP response"}, | |
193 | {"rsigopt", OPT_RSIGOPT, 's', "OCSP response signature parameter in n:v form"}, | |
194 | {"header", OPT_HEADER, 's', "key=value header to add"}, | |
195 | {"rcid", OPT_RCID, 's', "Use specified algorithm for cert id in response"}, | |
196 | {"", OPT_MD, '-', "Any supported digest algorithm (sha1,sha256, ... )"}, | |
197 | ||
198 | OPT_SECTION("Client"), | |
199 | {"url", OPT_URL, 's', "Responder URL"}, | |
200 | {"host", OPT_HOST, 's', "TCP/IP hostname:port to connect to"}, | |
201 | {"port", OPT_PORT, 'p', "Port to run responder on"}, | |
202 | {"out", OPT_OUTFILE, '>', "Output filename"}, | |
203 | {"noverify", OPT_NOVERIFY, '-', "Don't verify response at all"}, | |
204 | {"nonce", OPT_NONCE, '-', "Add OCSP nonce to request"}, | |
205 | {"no_nonce", OPT_NO_NONCE, '-', "Don't add OCSP nonce to request"}, | |
7e1b7485 RS |
206 | {"no_signature_verify", OPT_NO_SIGNATURE_VERIFY, '-', |
207 | "Don't check signature on response"}, | |
5388f986 RS |
208 | {"resp_key_id", OPT_RESP_KEY_ID, '-', |
209 | "Identify response by signing certificate key ID"}, | |
7e1b7485 RS |
210 | {"no_cert_verify", OPT_NO_CERT_VERIFY, '-', |
211 | "Don't check signing certificate"}, | |
5388f986 RS |
212 | {"text", OPT_TEXT, '-', "Print text form of request and response"}, |
213 | {"req_text", OPT_REQ_TEXT, '-', "Print text form of request"}, | |
214 | {"resp_text", OPT_RESP_TEXT, '-', "Print text form of response"}, | |
7e1b7485 RS |
215 | {"no_chain", OPT_NO_CHAIN, '-', "Don't chain verify response"}, |
216 | {"no_cert_checks", OPT_NO_CERT_CHECKS, '-', | |
217 | "Don't do additional checks on signing certificate"}, | |
12d56b29 F |
218 | {"no_explicit", OPT_NO_EXPLICIT, '-', |
219 | "Do not explicitly check the chain, just verify the root"}, | |
7e1b7485 RS |
220 | {"trust_other", OPT_TRUST_OTHER, '-', |
221 | "Don't verify additional certificates"}, | |
222 | {"no_intern", OPT_NO_INTERN, '-', | |
223 | "Don't search certificates contained in response for signer"}, | |
7e1b7485 | 224 | {"respin", OPT_RESPIN, 's', "File with the DER-encoded response"}, |
7e1b7485 | 225 | {"VAfile", OPT_VAFILE, '<', "Validator certificates file"}, |
7e1b7485 RS |
226 | {"verify_other", OPT_VERIFY_OTHER, '<', |
227 | "Additional certificates to search for signer"}, | |
5388f986 RS |
228 | {"path", OPT_PATH, 's', "Path to use in OCSP request"}, |
229 | {"cert", OPT_CERT, '<', "Certificate to check"}, | |
230 | {"serial", OPT_SERIAL, 's', "Serial number to check"}, | |
7e1b7485 RS |
231 | {"validity_period", OPT_VALIDITY_PERIOD, 'u', |
232 | "Maximum validity discrepancy in seconds"}, | |
7e1b7485 RS |
233 | {"signkey", OPT_SIGNKEY, 's', "Private key to sign OCSP request with"}, |
234 | {"reqout", OPT_REQOUT, 's', "Output file for the DER-encoded request"}, | |
235 | {"respout", OPT_RESPOUT, 's', "Output file for the DER-encoded response"}, | |
c6724060 | 236 | {"issuer", OPT_ISSUER, '<', "Issuer certificate"}, |
5388f986 RS |
237 | {"status_age", OPT_STATUS_AGE, 'p', "Maximum status age in seconds"}, |
238 | ||
7e1b7485 RS |
239 | OPT_V_OPTIONS, |
240 | {NULL} | |
241 | }; | |
242 | ||
243 | int ocsp_main(int argc, char **argv) | |
0f113f3e | 244 | { |
7e1b7485 RS |
245 | BIO *acbio = NULL, *cbio = NULL, *derbio = NULL, *out = NULL; |
246 | const EVP_MD *cert_id_md = NULL, *rsign_md = NULL; | |
b4dd21a7 | 247 | STACK_OF(OPENSSL_STRING) *rsign_sigopts = NULL; |
6302bbd2 | 248 | int trailing_md = 0; |
7e1b7485 RS |
249 | CA_DB *rdb = NULL; |
250 | EVP_PKEY *key = NULL, *rkey = NULL; | |
251 | OCSP_BASICRESP *bs = NULL; | |
0f113f3e MC |
252 | OCSP_REQUEST *req = NULL; |
253 | OCSP_RESPONSE *resp = NULL; | |
7e1b7485 RS |
254 | STACK_OF(CONF_VALUE) *headers = NULL; |
255 | STACK_OF(OCSP_CERTID) *ids = NULL; | |
256 | STACK_OF(OPENSSL_STRING) *reqnames = NULL; | |
257 | STACK_OF(X509) *sign_other = NULL, *verify_other = NULL, *rother = NULL; | |
88806cfc | 258 | STACK_OF(X509) *issuers = NULL; |
3bb0f989 TS |
259 | X509 *issuer = NULL, *cert = NULL; |
260 | STACK_OF(X509) *rca_cert = NULL; | |
0770c882 | 261 | const EVP_MD *resp_certid_md = NULL; |
0f113f3e | 262 | X509 *signer = NULL, *rsigner = NULL; |
0f113f3e MC |
263 | X509_STORE *store = NULL; |
264 | X509_VERIFY_PARAM *vpm = NULL; | |
fd3397fc | 265 | const char *CAfile = NULL, *CApath = NULL, *CAstore = NULL; |
cc696296 | 266 | char *header, *value; |
7e1b7485 RS |
267 | char *host = NULL, *port = NULL, *path = "/", *outfile = NULL; |
268 | char *rca_filename = NULL, *reqin = NULL, *respin = NULL; | |
269 | char *reqout = NULL, *respout = NULL, *ridx_filename = NULL; | |
270 | char *rsignfile = NULL, *rkeyfile = NULL; | |
1cf20ca3 | 271 | char *passinarg = NULL, *passin = NULL; |
0f113f3e | 272 | char *sign_certfile = NULL, *verify_certfile = NULL, *rcertfile = NULL; |
7e1b7485 RS |
273 | char *signfile = NULL, *keyfile = NULL; |
274 | char *thost = NULL, *tport = NULL, *tpath = NULL; | |
fd3397fc | 275 | int noCAfile = 0, noCApath = 0, noCAstore = 0; |
7e1b7485 RS |
276 | int accept_count = -1, add_nonce = 1, noverify = 0, use_ssl = -1; |
277 | int vpmtouched = 0, badsig = 0, i, ignore_err = 0, nmin = 0, ndays = -1; | |
f9e55034 | 278 | int req_text = 0, resp_text = 0, ret = 1; |
f9e55034 | 279 | int req_timeout = -1; |
7e1b7485 | 280 | long nsec = MAX_VALIDITY_PERIOD, maxage = -1; |
0f113f3e | 281 | unsigned long sign_flags = 0, verify_flags = 0, rflags = 0; |
7e1b7485 | 282 | OPTION_CHOICE o; |
0f113f3e | 283 | |
0f113f3e | 284 | reqnames = sk_OPENSSL_STRING_new_null(); |
2234212c | 285 | if (reqnames == NULL) |
7e1b7485 | 286 | goto end; |
0f113f3e | 287 | ids = sk_OCSP_CERTID_new_null(); |
2234212c | 288 | if (ids == NULL) |
7e1b7485 RS |
289 | goto end; |
290 | if ((vpm = X509_VERIFY_PARAM_new()) == NULL) | |
291 | return 1; | |
292 | ||
293 | prog = opt_init(argc, argv, ocsp_options); | |
294 | while ((o = opt_next()) != OPT_EOF) { | |
295 | switch (o) { | |
296 | case OPT_EOF: | |
297 | case OPT_ERR: | |
298 | opthelp: | |
299 | BIO_printf(bio_err, "%s: Use -help for summary.\n", prog); | |
300 | goto end; | |
301 | case OPT_HELP: | |
302 | ret = 0; | |
303 | opt_help(ocsp_options); | |
304 | goto end; | |
305 | case OPT_OUTFILE: | |
306 | outfile = opt_arg(); | |
307 | break; | |
308 | case OPT_TIMEOUT: | |
f9e55034 | 309 | #ifndef OPENSSL_NO_SOCK |
7e1b7485 | 310 | req_timeout = atoi(opt_arg()); |
f9e55034 | 311 | #endif |
7e1b7485 RS |
312 | break; |
313 | case OPT_URL: | |
b548a1f1 RS |
314 | OPENSSL_free(thost); |
315 | OPENSSL_free(tport); | |
316 | OPENSSL_free(tpath); | |
4b8d8e2a | 317 | thost = tport = tpath = NULL; |
7e1b7485 RS |
318 | if (!OCSP_parse_url(opt_arg(), &host, &port, &path, &use_ssl)) { |
319 | BIO_printf(bio_err, "%s Error parsing URL\n", prog); | |
320 | goto end; | |
321 | } | |
322 | thost = host; | |
323 | tport = port; | |
324 | tpath = path; | |
325 | break; | |
326 | case OPT_HOST: | |
327 | host = opt_arg(); | |
328 | break; | |
329 | case OPT_PORT: | |
330 | port = opt_arg(); | |
331 | break; | |
332 | case OPT_IGNORE_ERR: | |
0f113f3e | 333 | ignore_err = 1; |
7e1b7485 RS |
334 | break; |
335 | case OPT_NOVERIFY: | |
0f113f3e | 336 | noverify = 1; |
7e1b7485 RS |
337 | break; |
338 | case OPT_NONCE: | |
0f113f3e | 339 | add_nonce = 2; |
7e1b7485 RS |
340 | break; |
341 | case OPT_NO_NONCE: | |
0f113f3e | 342 | add_nonce = 0; |
7e1b7485 RS |
343 | break; |
344 | case OPT_RESP_NO_CERTS: | |
0f113f3e | 345 | rflags |= OCSP_NOCERTS; |
7e1b7485 RS |
346 | break; |
347 | case OPT_RESP_KEY_ID: | |
0f113f3e | 348 | rflags |= OCSP_RESPID_KEY; |
7e1b7485 RS |
349 | break; |
350 | case OPT_NO_CERTS: | |
0f113f3e | 351 | sign_flags |= OCSP_NOCERTS; |
7e1b7485 RS |
352 | break; |
353 | case OPT_NO_SIGNATURE_VERIFY: | |
0f113f3e | 354 | verify_flags |= OCSP_NOSIGS; |
7e1b7485 RS |
355 | break; |
356 | case OPT_NO_CERT_VERIFY: | |
0f113f3e | 357 | verify_flags |= OCSP_NOVERIFY; |
7e1b7485 RS |
358 | break; |
359 | case OPT_NO_CHAIN: | |
0f113f3e | 360 | verify_flags |= OCSP_NOCHAIN; |
7e1b7485 RS |
361 | break; |
362 | case OPT_NO_CERT_CHECKS: | |
0f113f3e | 363 | verify_flags |= OCSP_NOCHECKS; |
7e1b7485 RS |
364 | break; |
365 | case OPT_NO_EXPLICIT: | |
0f113f3e | 366 | verify_flags |= OCSP_NOEXPLICIT; |
7e1b7485 RS |
367 | break; |
368 | case OPT_TRUST_OTHER: | |
0f113f3e | 369 | verify_flags |= OCSP_TRUSTOTHER; |
7e1b7485 RS |
370 | break; |
371 | case OPT_NO_INTERN: | |
0f113f3e | 372 | verify_flags |= OCSP_NOINTERN; |
7e1b7485 RS |
373 | break; |
374 | case OPT_BADSIG: | |
0f113f3e | 375 | badsig = 1; |
7e1b7485 RS |
376 | break; |
377 | case OPT_TEXT: | |
378 | req_text = resp_text = 1; | |
379 | break; | |
380 | case OPT_REQ_TEXT: | |
0f113f3e | 381 | req_text = 1; |
7e1b7485 RS |
382 | break; |
383 | case OPT_RESP_TEXT: | |
0f113f3e | 384 | resp_text = 1; |
7e1b7485 RS |
385 | break; |
386 | case OPT_REQIN: | |
387 | reqin = opt_arg(); | |
388 | break; | |
389 | case OPT_RESPIN: | |
390 | respin = opt_arg(); | |
391 | break; | |
392 | case OPT_SIGNER: | |
393 | signfile = opt_arg(); | |
394 | break; | |
395 | case OPT_VAFILE: | |
396 | verify_certfile = opt_arg(); | |
397 | verify_flags |= OCSP_TRUSTOTHER; | |
398 | break; | |
399 | case OPT_SIGN_OTHER: | |
400 | sign_certfile = opt_arg(); | |
401 | break; | |
402 | case OPT_VERIFY_OTHER: | |
403 | verify_certfile = opt_arg(); | |
404 | break; | |
405 | case OPT_CAFILE: | |
406 | CAfile = opt_arg(); | |
407 | break; | |
408 | case OPT_CAPATH: | |
409 | CApath = opt_arg(); | |
410 | break; | |
fd3397fc RL |
411 | case OPT_CASTORE: |
412 | CAstore = opt_arg(); | |
413 | break; | |
2b6bcb70 MC |
414 | case OPT_NOCAFILE: |
415 | noCAfile = 1; | |
416 | break; | |
417 | case OPT_NOCAPATH: | |
418 | noCApath = 1; | |
419 | break; | |
fd3397fc RL |
420 | case OPT_NOCASTORE: |
421 | noCAstore = 1; | |
422 | break; | |
7e1b7485 RS |
423 | case OPT_V_CASES: |
424 | if (!opt_verify(o, vpm)) | |
0f113f3e | 425 | goto end; |
7e1b7485 RS |
426 | vpmtouched++; |
427 | break; | |
428 | case OPT_VALIDITY_PERIOD: | |
429 | opt_long(opt_arg(), &nsec); | |
430 | break; | |
431 | case OPT_STATUS_AGE: | |
432 | opt_long(opt_arg(), &maxage); | |
433 | break; | |
434 | case OPT_SIGNKEY: | |
435 | keyfile = opt_arg(); | |
436 | break; | |
437 | case OPT_REQOUT: | |
438 | reqout = opt_arg(); | |
439 | break; | |
440 | case OPT_RESPOUT: | |
441 | respout = opt_arg(); | |
442 | break; | |
443 | case OPT_PATH: | |
444 | path = opt_arg(); | |
445 | break; | |
c6724060 | 446 | case OPT_ISSUER: |
a773b52a | 447 | issuer = load_cert(opt_arg(), FORMAT_PEM, "issuer certificate"); |
c6724060 RS |
448 | if (issuer == NULL) |
449 | goto end; | |
bb7fc98c DSH |
450 | if (issuers == NULL) { |
451 | if ((issuers = sk_X509_new_null()) == NULL) | |
452 | goto end; | |
453 | } | |
d5e66eab SL |
454 | if (!sk_X509_push(issuers, issuer)) |
455 | goto end; | |
c6724060 | 456 | break; |
7e1b7485 RS |
457 | case OPT_CERT: |
458 | X509_free(cert); | |
a773b52a | 459 | cert = load_cert(opt_arg(), FORMAT_PEM, "certificate"); |
7e1b7485 RS |
460 | if (cert == NULL) |
461 | goto end; | |
462 | if (cert_id_md == NULL) | |
463 | cert_id_md = EVP_sha1(); | |
464 | if (!add_ocsp_cert(&req, cert, cert_id_md, issuer, ids)) | |
465 | goto end; | |
466 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg())) | |
467 | goto end; | |
6302bbd2 | 468 | trailing_md = 0; |
7e1b7485 RS |
469 | break; |
470 | case OPT_SERIAL: | |
471 | if (cert_id_md == NULL) | |
472 | cert_id_md = EVP_sha1(); | |
473 | if (!add_ocsp_serial(&req, opt_arg(), cert_id_md, issuer, ids)) | |
474 | goto end; | |
475 | if (!sk_OPENSSL_STRING_push(reqnames, opt_arg())) | |
476 | goto end; | |
6302bbd2 | 477 | trailing_md = 0; |
7e1b7485 RS |
478 | break; |
479 | case OPT_INDEX: | |
480 | ridx_filename = opt_arg(); | |
481 | break; | |
482 | case OPT_CA: | |
483 | rca_filename = opt_arg(); | |
484 | break; | |
485 | case OPT_NMIN: | |
486 | opt_int(opt_arg(), &nmin); | |
0f113f3e MC |
487 | if (ndays == -1) |
488 | ndays = 0; | |
7e1b7485 RS |
489 | break; |
490 | case OPT_REQUEST: | |
491 | opt_int(opt_arg(), &accept_count); | |
492 | break; | |
493 | case OPT_NDAYS: | |
494 | ndays = atoi(opt_arg()); | |
495 | break; | |
496 | case OPT_RSIGNER: | |
497 | rsignfile = opt_arg(); | |
498 | break; | |
499 | case OPT_RKEY: | |
500 | rkeyfile = opt_arg(); | |
501 | break; | |
1cf20ca3 | 502 | case OPT_PASSIN: |
503 | passinarg = opt_arg(); | |
504 | break; | |
7e1b7485 RS |
505 | case OPT_ROTHER: |
506 | rcertfile = opt_arg(); | |
507 | break; | |
16e1b281 | 508 | case OPT_RMD: /* Response MessageDigest */ |
7e1b7485 RS |
509 | if (!opt_md(opt_arg(), &rsign_md)) |
510 | goto end; | |
511 | break; | |
04940147 | 512 | case OPT_RSIGOPT: |
b4dd21a7 DC |
513 | if (rsign_sigopts == NULL) |
514 | rsign_sigopts = sk_OPENSSL_STRING_new_null(); | |
515 | if (rsign_sigopts == NULL || !sk_OPENSSL_STRING_push(rsign_sigopts, opt_arg())) | |
516 | goto end; | |
517 | break; | |
7e1b7485 RS |
518 | case OPT_HEADER: |
519 | header = opt_arg(); | |
520 | value = strchr(header, '='); | |
521 | if (value == NULL) { | |
522 | BIO_printf(bio_err, "Missing = in header key=value\n"); | |
523 | goto opthelp; | |
524 | } | |
525 | *value++ = '\0'; | |
526 | if (!X509V3_add_value(header, value, &headers)) | |
527 | goto end; | |
528 | break; | |
0770c882 TS |
529 | case OPT_RCID: |
530 | resp_certid_md = EVP_get_digestbyname(opt_arg()); | |
531 | if (resp_certid_md == NULL) | |
532 | goto opthelp; | |
533 | break; | |
7e1b7485 | 534 | case OPT_MD: |
6302bbd2 | 535 | if (trailing_md) { |
7e1b7485 RS |
536 | BIO_printf(bio_err, |
537 | "%s: Digest must be before -cert or -serial\n", | |
538 | prog); | |
539 | goto opthelp; | |
540 | } | |
541 | if (!opt_md(opt_unknown(), &cert_id_md)) | |
542 | goto opthelp; | |
6302bbd2 | 543 | trailing_md = 1; |
7e1b7485 | 544 | break; |
3e3c7c36 | 545 | case OPT_MULTI: |
a7fb4fa1 | 546 | # ifdef OCSP_DAEMON |
3e3c7c36 | 547 | multi = atoi(opt_arg()); |
3e3c7c36 | 548 | # endif |
a7fb4fa1 | 549 | break; |
0f113f3e | 550 | } |
0f113f3e | 551 | } |
6302bbd2 DSH |
552 | if (trailing_md) { |
553 | BIO_printf(bio_err, "%s: Digest must be before -cert or -serial\n", | |
554 | prog); | |
555 | goto opthelp; | |
556 | } | |
7e1b7485 | 557 | argc = opt_num_rest(); |
03358517 KR |
558 | if (argc != 0) |
559 | goto opthelp; | |
0f113f3e MC |
560 | |
561 | /* Have we anything to do? */ | |
3e3c7c36 | 562 | if (req == NULL && reqin == NULL |
2234212c | 563 | && respin == NULL && !(port != NULL && ridx_filename != NULL)) |
7e1b7485 | 564 | goto opthelp; |
0f113f3e | 565 | |
bdd58d98 | 566 | out = bio_open_default(outfile, 'w', FORMAT_TEXT); |
7e1b7485 | 567 | if (out == NULL) |
0f113f3e | 568 | goto end; |
0f113f3e | 569 | |
2234212c | 570 | if (req == NULL && (add_nonce != 2)) |
0f113f3e MC |
571 | add_nonce = 0; |
572 | ||
2234212c | 573 | if (req == NULL && reqin != NULL) { |
bdd58d98 | 574 | derbio = bio_open_default(reqin, 'r', FORMAT_ASN1); |
7e1b7485 | 575 | if (derbio == NULL) |
0f113f3e | 576 | goto end; |
0f113f3e MC |
577 | req = d2i_OCSP_REQUEST_bio(derbio, NULL); |
578 | BIO_free(derbio); | |
2234212c | 579 | if (req == NULL) { |
0f113f3e MC |
580 | BIO_printf(bio_err, "Error reading OCSP request\n"); |
581 | goto end; | |
582 | } | |
583 | } | |
584 | ||
2234212c | 585 | if (req == NULL && port != NULL) { |
0f113f3e | 586 | acbio = init_responder(port); |
2234212c | 587 | if (acbio == NULL) |
0f113f3e MC |
588 | goto end; |
589 | } | |
590 | ||
2234212c PY |
591 | if (rsignfile != NULL) { |
592 | if (rkeyfile == NULL) | |
0f113f3e | 593 | rkeyfile = rsignfile; |
a773b52a | 594 | rsigner = load_cert(rsignfile, FORMAT_PEM, "responder certificate"); |
2234212c | 595 | if (rsigner == NULL) { |
0f113f3e MC |
596 | BIO_printf(bio_err, "Error loading responder certificate\n"); |
597 | goto end; | |
598 | } | |
3bb0f989 TS |
599 | if (!load_certs(rca_filename, &rca_cert, FORMAT_PEM, |
600 | NULL, "CA certificate")) | |
601 | goto end; | |
2234212c | 602 | if (rcertfile != NULL) { |
a773b52a | 603 | if (!load_certs(rcertfile, &rother, FORMAT_PEM, NULL, |
0996dc54 | 604 | "responder other certificates")) |
0f113f3e MC |
605 | goto end; |
606 | } | |
1cf20ca3 | 607 | if (!app_passwd(passinarg, NULL, &passin, NULL)) { |
608 | BIO_printf(bio_err, "Error getting password\n"); | |
609 | goto end; | |
610 | } | |
611 | rkey = load_key(rkeyfile, FORMAT_PEM, 0, passin, NULL, | |
0f113f3e | 612 | "responder private key"); |
2234212c | 613 | if (rkey == NULL) |
0f113f3e MC |
614 | goto end; |
615 | } | |
c7d5ea26 | 616 | |
3e3c7c36 | 617 | if (ridx_filename != NULL |
e4693110 | 618 | && (rkey == NULL || rsigner == NULL || rca_cert == NULL)) { |
c7d5ea26 VD |
619 | BIO_printf(bio_err, |
620 | "Responder mode requires certificate, key, and CA.\n"); | |
621 | goto end; | |
622 | } | |
623 | ||
3e3c7c36 | 624 | if (ridx_filename != NULL) { |
c7d5ea26 | 625 | rdb = load_index(ridx_filename, NULL); |
a4107d73 | 626 | if (rdb == NULL || index_index(rdb) <= 0) { |
c7d5ea26 VD |
627 | ret = 1; |
628 | goto end; | |
629 | } | |
630 | } | |
631 | ||
3e3c7c36 VD |
632 | # ifdef OCSP_DAEMON |
633 | if (multi && acbio != NULL) | |
634 | spawn_loop(); | |
635 | if (acbio != NULL && req_timeout > 0) | |
e9b95e42 | 636 | signal(SIGALRM, socket_timeout); |
3e3c7c36 VD |
637 | #endif |
638 | ||
2234212c | 639 | if (acbio != NULL) |
3e3c7c36 | 640 | log_message(LOG_INFO, "waiting for OCSP client connections..."); |
0f113f3e | 641 | |
2234212c | 642 | redo_accept: |
0f113f3e | 643 | |
2234212c | 644 | if (acbio != NULL) { |
3e3c7c36 VD |
645 | # ifdef OCSP_DAEMON |
646 | if (index_changed(rdb)) { | |
647 | CA_DB *newrdb = load_index(ridx_filename, NULL); | |
648 | ||
a4107d73 | 649 | if (newrdb != NULL && index_index(newrdb) > 0) { |
3e3c7c36 VD |
650 | free_index(rdb); |
651 | rdb = newrdb; | |
652 | } else { | |
a4107d73 | 653 | free_index(newrdb); |
3e3c7c36 VD |
654 | log_message(LOG_ERR, "error reloading updated index: %s", |
655 | ridx_filename); | |
656 | } | |
657 | } | |
658 | # endif | |
659 | ||
660 | req = NULL; | |
661 | if (!do_responder(&req, &cbio, acbio, req_timeout)) | |
662 | goto redo_accept; | |
663 | ||
2234212c | 664 | if (req == NULL) { |
0f113f3e MC |
665 | resp = |
666 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, | |
667 | NULL); | |
668 | send_ocsp_response(cbio, resp); | |
669 | goto done_resp; | |
670 | } | |
671 | } | |
672 | ||
2234212c PY |
673 | if (req == NULL |
674 | && (signfile != NULL || reqout != NULL | |
675 | || host != NULL || add_nonce || ridx_filename != NULL)) { | |
0f113f3e MC |
676 | BIO_printf(bio_err, "Need an OCSP request for this operation!\n"); |
677 | goto end; | |
678 | } | |
679 | ||
72b89b8e DB |
680 | if (req != NULL && add_nonce) { |
681 | if (!OCSP_request_add1_nonce(req, NULL, -1)) | |
682 | goto end; | |
683 | } | |
0f113f3e | 684 | |
2234212c PY |
685 | if (signfile != NULL) { |
686 | if (keyfile == NULL) | |
0f113f3e | 687 | keyfile = signfile; |
a773b52a | 688 | signer = load_cert(signfile, FORMAT_PEM, "signer certificate"); |
2234212c | 689 | if (signer == NULL) { |
0f113f3e MC |
690 | BIO_printf(bio_err, "Error loading signer certificate\n"); |
691 | goto end; | |
692 | } | |
2234212c | 693 | if (sign_certfile != NULL) { |
a773b52a | 694 | if (!load_certs(sign_certfile, &sign_other, FORMAT_PEM, NULL, |
0996dc54 | 695 | "signer certificates")) |
0f113f3e MC |
696 | goto end; |
697 | } | |
7e1b7485 | 698 | key = load_key(keyfile, FORMAT_PEM, 0, NULL, NULL, |
0f113f3e | 699 | "signer private key"); |
2234212c | 700 | if (key == NULL) |
0f113f3e MC |
701 | goto end; |
702 | ||
703 | if (!OCSP_request_sign | |
704 | (req, signer, key, NULL, sign_other, sign_flags)) { | |
705 | BIO_printf(bio_err, "Error signing OCSP request\n"); | |
706 | goto end; | |
707 | } | |
708 | } | |
709 | ||
2234212c | 710 | if (req_text && req != NULL) |
0f113f3e MC |
711 | OCSP_REQUEST_print(out, req, 0); |
712 | ||
2234212c | 713 | if (reqout != NULL) { |
bdd58d98 | 714 | derbio = bio_open_default(reqout, 'w', FORMAT_ASN1); |
7e1b7485 | 715 | if (derbio == NULL) |
0f113f3e | 716 | goto end; |
0f113f3e MC |
717 | i2d_OCSP_REQUEST_bio(derbio, req); |
718 | BIO_free(derbio); | |
719 | } | |
720 | ||
2234212c | 721 | if (rdb != NULL) { |
b4dd21a7 | 722 | make_ocsp_response(bio_err, &resp, req, rdb, rca_cert, rsigner, rkey, |
0770c882 TS |
723 | rsign_md, rsign_sigopts, rother, rflags, nmin, ndays, badsig, |
724 | resp_certid_md); | |
2234212c | 725 | if (cbio != NULL) |
0f113f3e | 726 | send_ocsp_response(cbio, resp); |
2234212c | 727 | } else if (host != NULL) { |
0f113f3e | 728 | # ifndef OPENSSL_NO_SOCK |
7e1b7485 | 729 | resp = process_responder(req, host, path, |
0f113f3e | 730 | port, use_ssl, headers, req_timeout); |
2234212c | 731 | if (resp == NULL) |
0f113f3e MC |
732 | goto end; |
733 | # else | |
734 | BIO_printf(bio_err, | |
735 | "Error creating connect BIO - sockets not supported.\n"); | |
736 | goto end; | |
737 | # endif | |
2234212c | 738 | } else if (respin != NULL) { |
bdd58d98 | 739 | derbio = bio_open_default(respin, 'r', FORMAT_ASN1); |
7e1b7485 | 740 | if (derbio == NULL) |
0f113f3e | 741 | goto end; |
0f113f3e MC |
742 | resp = d2i_OCSP_RESPONSE_bio(derbio, NULL); |
743 | BIO_free(derbio); | |
2234212c | 744 | if (resp == NULL) { |
0f113f3e MC |
745 | BIO_printf(bio_err, "Error reading OCSP response\n"); |
746 | goto end; | |
747 | } | |
0f113f3e MC |
748 | } else { |
749 | ret = 0; | |
750 | goto end; | |
751 | } | |
752 | ||
753 | done_resp: | |
754 | ||
2234212c | 755 | if (respout != NULL) { |
bdd58d98 | 756 | derbio = bio_open_default(respout, 'w', FORMAT_ASN1); |
7e1b7485 | 757 | if (derbio == NULL) |
0f113f3e | 758 | goto end; |
0f113f3e MC |
759 | i2d_OCSP_RESPONSE_bio(derbio, resp); |
760 | BIO_free(derbio); | |
761 | } | |
762 | ||
763 | i = OCSP_response_status(resp); | |
0f113f3e MC |
764 | if (i != OCSP_RESPONSE_STATUS_SUCCESSFUL) { |
765 | BIO_printf(out, "Responder Error: %s (%d)\n", | |
766 | OCSP_response_status_str(i), i); | |
c324ecfb | 767 | if (!ignore_err) |
3e3c7c36 | 768 | goto end; |
0f113f3e MC |
769 | } |
770 | ||
771 | if (resp_text) | |
772 | OCSP_RESPONSE_print(out, resp, 0); | |
773 | ||
774 | /* If running as responder don't verify our own response */ | |
2234212c | 775 | if (cbio != NULL) { |
e46bcca2 AE |
776 | /* If not unlimited, see if we took all we should. */ |
777 | if (accept_count != -1 && --accept_count <= 0) { | |
7e1b7485 RS |
778 | ret = 0; |
779 | goto end; | |
0f113f3e | 780 | } |
7e1b7485 RS |
781 | BIO_free_all(cbio); |
782 | cbio = NULL; | |
783 | OCSP_REQUEST_free(req); | |
784 | req = NULL; | |
785 | OCSP_RESPONSE_free(resp); | |
786 | resp = NULL; | |
787 | goto redo_accept; | |
788 | } | |
2234212c | 789 | if (ridx_filename != NULL) { |
0f113f3e MC |
790 | ret = 0; |
791 | goto end; | |
792 | } | |
793 | ||
2234212c | 794 | if (store == NULL) { |
fd3397fc RL |
795 | store = setup_verify(CAfile, noCAfile, CApath, noCApath, |
796 | CAstore, noCAstore); | |
7e1b7485 RS |
797 | if (!store) |
798 | goto end; | |
799 | } | |
800 | if (vpmtouched) | |
0f113f3e | 801 | X509_STORE_set1_param(store, vpm); |
2234212c | 802 | if (verify_certfile != NULL) { |
a773b52a | 803 | if (!load_certs(verify_certfile, &verify_other, FORMAT_PEM, NULL, |
0996dc54 | 804 | "validator certificate")) |
0f113f3e MC |
805 | goto end; |
806 | } | |
807 | ||
808 | bs = OCSP_response_get1_basic(resp); | |
2234212c | 809 | if (bs == NULL) { |
0f113f3e MC |
810 | BIO_printf(bio_err, "Error parsing response\n"); |
811 | goto end; | |
812 | } | |
813 | ||
814 | ret = 0; | |
815 | ||
816 | if (!noverify) { | |
2234212c | 817 | if (req != NULL && ((i = OCSP_check_nonce(req, bs)) <= 0)) { |
0f113f3e MC |
818 | if (i == -1) |
819 | BIO_printf(bio_err, "WARNING: no nonce in response\n"); | |
820 | else { | |
821 | BIO_printf(bio_err, "Nonce Verify error\n"); | |
822 | ret = 1; | |
823 | goto end; | |
824 | } | |
825 | } | |
826 | ||
827 | i = OCSP_basic_verify(bs, verify_other, store, verify_flags); | |
c6724060 RS |
828 | if (i <= 0 && issuers) { |
829 | i = OCSP_basic_verify(bs, issuers, store, OCSP_TRUSTOTHER); | |
830 | if (i > 0) | |
831 | ERR_clear_error(); | |
832 | } | |
0f113f3e MC |
833 | if (i <= 0) { |
834 | BIO_printf(bio_err, "Response Verify Failure\n"); | |
835 | ERR_print_errors(bio_err); | |
836 | ret = 1; | |
2234212c | 837 | } else { |
0f113f3e | 838 | BIO_printf(bio_err, "Response verify OK\n"); |
2234212c | 839 | } |
0f113f3e MC |
840 | } |
841 | ||
7e1b7485 | 842 | print_ocsp_summary(out, bs, req, reqnames, ids, nsec, maxage); |
0f113f3e MC |
843 | |
844 | end: | |
845 | ERR_print_errors(bio_err); | |
846 | X509_free(signer); | |
847 | X509_STORE_free(store); | |
222561fe | 848 | X509_VERIFY_PARAM_free(vpm); |
89623f84 | 849 | sk_OPENSSL_STRING_free(rsign_sigopts); |
0f113f3e MC |
850 | EVP_PKEY_free(key); |
851 | EVP_PKEY_free(rkey); | |
0f113f3e | 852 | X509_free(cert); |
bb7fc98c | 853 | sk_X509_pop_free(issuers, X509_free); |
0f113f3e | 854 | X509_free(rsigner); |
3bb0f989 | 855 | sk_X509_pop_free(rca_cert, X509_free); |
0f113f3e MC |
856 | free_index(rdb); |
857 | BIO_free_all(cbio); | |
858 | BIO_free_all(acbio); | |
4e525a0b | 859 | BIO_free_all(out); |
0f113f3e MC |
860 | OCSP_REQUEST_free(req); |
861 | OCSP_RESPONSE_free(resp); | |
862 | OCSP_BASICRESP_free(bs); | |
863 | sk_OPENSSL_STRING_free(reqnames); | |
864 | sk_OCSP_CERTID_free(ids); | |
865 | sk_X509_pop_free(sign_other, X509_free); | |
866 | sk_X509_pop_free(verify_other, X509_free); | |
867 | sk_CONF_VALUE_pop_free(headers, X509V3_conf_free); | |
b548a1f1 RS |
868 | OPENSSL_free(thost); |
869 | OPENSSL_free(tport); | |
870 | OPENSSL_free(tpath); | |
0f113f3e | 871 | |
26a7d938 | 872 | return ret; |
5782ceb2 DSH |
873 | } |
874 | ||
3e3c7c36 VD |
875 | static void |
876 | log_message(int level, const char *fmt, ...) | |
877 | { | |
878 | va_list ap; | |
879 | ||
880 | va_start(ap, fmt); | |
881 | # ifdef OCSP_DAEMON | |
882 | if (multi) { | |
a9dd51a8 EC |
883 | char buf[1024]; |
884 | if (vsnprintf(buf, sizeof(buf), fmt, ap) > 0) { | |
885 | syslog(level, "%s", buf); | |
886 | } | |
3e3c7c36 VD |
887 | if (level >= LOG_ERR) |
888 | ERR_print_errors_cb(print_syslog, &level); | |
889 | } | |
890 | # endif | |
891 | if (!multi) { | |
892 | BIO_printf(bio_err, "%s: ", prog); | |
893 | BIO_vprintf(bio_err, fmt, ap); | |
894 | BIO_printf(bio_err, "\n"); | |
895 | } | |
896 | va_end(ap); | |
897 | } | |
898 | ||
899 | # ifdef OCSP_DAEMON | |
900 | ||
901 | static int print_syslog(const char *str, size_t len, void *levPtr) | |
902 | { | |
903 | int level = *(int *)levPtr; | |
904 | int ilen = (len > MAXERRLEN) ? MAXERRLEN : len; | |
905 | ||
906 | syslog(level, "%.*s", ilen, str); | |
907 | ||
908 | return ilen; | |
909 | } | |
910 | ||
911 | static int index_changed(CA_DB *rdb) | |
912 | { | |
913 | struct stat sb; | |
914 | ||
915 | if (rdb != NULL && stat(rdb->dbfname, &sb) != -1) { | |
916 | if (rdb->dbst.st_mtime != sb.st_mtime | |
917 | || rdb->dbst.st_ctime != sb.st_ctime | |
918 | || rdb->dbst.st_ino != sb.st_ino | |
919 | || rdb->dbst.st_dev != sb.st_dev) { | |
920 | syslog(LOG_INFO, "index file changed, reloading"); | |
921 | return 1; | |
922 | } | |
923 | } | |
924 | return 0; | |
925 | } | |
926 | ||
927 | static void killall(int ret, pid_t *kidpids) | |
928 | { | |
929 | int i; | |
930 | ||
931 | for (i = 0; i < multi; ++i) | |
932 | if (kidpids[i] != 0) | |
933 | (void)kill(kidpids[i], SIGTERM); | |
39fc4c17 | 934 | OPENSSL_free(kidpids); |
3e3c7c36 VD |
935 | sleep(1); |
936 | exit(ret); | |
937 | } | |
938 | ||
939 | static int termsig = 0; | |
940 | ||
941 | static void noteterm (int sig) | |
942 | { | |
943 | termsig = sig; | |
944 | } | |
945 | ||
946 | /* | |
947 | * Loop spawning up to `multi` child processes, only child processes return | |
948 | * from this function. The parent process loops until receiving a termination | |
949 | * signal, kills extant children and exits without returning. | |
950 | */ | |
951 | static void spawn_loop(void) | |
952 | { | |
3e3c7c36 VD |
953 | pid_t *kidpids = NULL; |
954 | int status; | |
955 | int procs = 0; | |
956 | int i; | |
957 | ||
958 | openlog(prog, LOG_PID, LOG_DAEMON); | |
959 | ||
960 | if (setpgid(0, 0)) { | |
961 | syslog(LOG_ERR, "fatal: error detaching from parent process group: %s", | |
962 | strerror(errno)); | |
963 | exit(1); | |
964 | } | |
965 | kidpids = app_malloc(multi * sizeof(*kidpids), "child PID array"); | |
966 | for (i = 0; i < multi; ++i) | |
967 | kidpids[i] = 0; | |
968 | ||
969 | signal(SIGINT, noteterm); | |
970 | signal(SIGTERM, noteterm); | |
971 | ||
972 | while (termsig == 0) { | |
973 | pid_t fpid; | |
974 | ||
975 | /* | |
976 | * Wait for a child to replace when we're at the limit. | |
977 | * Slow down if a child exited abnormally or waitpid() < 0 | |
978 | */ | |
979 | while (termsig == 0 && procs >= multi) { | |
980 | if ((fpid = waitpid(-1, &status, 0)) > 0) { | |
981 | for (i = 0; i < procs; ++i) { | |
982 | if (kidpids[i] == fpid) { | |
983 | kidpids[i] = 0; | |
984 | --procs; | |
985 | break; | |
986 | } | |
987 | } | |
988 | if (i >= multi) { | |
989 | syslog(LOG_ERR, "fatal: internal error: " | |
990 | "no matching child slot for pid: %ld", | |
991 | (long) fpid); | |
992 | killall(1, kidpids); | |
993 | } | |
994 | if (status != 0) { | |
995 | if (WIFEXITED(status)) | |
996 | syslog(LOG_WARNING, "child process: %ld, exit status: %d", | |
997 | (long)fpid, WEXITSTATUS(status)); | |
998 | else if (WIFSIGNALED(status)) | |
999 | syslog(LOG_WARNING, "child process: %ld, term signal %d%s", | |
1000 | (long)fpid, WTERMSIG(status), | |
a9dd51a8 EC |
1001 | #ifdef WCOREDUMP |
1002 | WCOREDUMP(status) ? " (core dumped)" : | |
1003 | #endif | |
1004 | ""); | |
3e3c7c36 VD |
1005 | sleep(1); |
1006 | } | |
1007 | break; | |
1008 | } else if (errno != EINTR) { | |
1009 | syslog(LOG_ERR, "fatal: waitpid(): %s", strerror(errno)); | |
1010 | killall(1, kidpids); | |
1011 | } | |
1012 | } | |
1013 | if (termsig) | |
1014 | break; | |
1015 | ||
1016 | switch(fpid = fork()) { | |
1017 | case -1: /* error */ | |
1018 | /* System critically low on memory, pause and try again later */ | |
1019 | sleep(30); | |
1020 | break; | |
1021 | case 0: /* child */ | |
c20a76f6 | 1022 | OPENSSL_free(kidpids); |
3e3c7c36 VD |
1023 | signal(SIGINT, SIG_DFL); |
1024 | signal(SIGTERM, SIG_DFL); | |
1025 | if (termsig) | |
1026 | _exit(0); | |
1027 | if (RAND_poll() <= 0) { | |
1028 | syslog(LOG_ERR, "fatal: RAND_poll() failed"); | |
1029 | _exit(1); | |
1030 | } | |
1031 | return; | |
1032 | default: /* parent */ | |
1033 | for (i = 0; i < multi; ++i) { | |
1034 | if (kidpids[i] == 0) { | |
1035 | kidpids[i] = fpid; | |
1036 | procs++; | |
1037 | break; | |
1038 | } | |
1039 | } | |
1040 | if (i >= multi) { | |
1041 | syslog(LOG_ERR, "fatal: internal error: no free child slots"); | |
1042 | killall(1, kidpids); | |
1043 | } | |
1044 | break; | |
1045 | } | |
1046 | } | |
1047 | ||
1048 | /* The loop above can only break on termsig */ | |
aed3df20 | 1049 | syslog(LOG_INFO, "terminating on signal: %d", termsig); |
3e3c7c36 VD |
1050 | killall(0, kidpids); |
1051 | } | |
1052 | # endif | |
1053 | ||
0f113f3e MC |
1054 | static int add_ocsp_cert(OCSP_REQUEST **req, X509 *cert, |
1055 | const EVP_MD *cert_id_md, X509 *issuer, | |
1056 | STACK_OF(OCSP_CERTID) *ids) | |
1057 | { | |
1058 | OCSP_CERTID *id; | |
2234212c PY |
1059 | |
1060 | if (issuer == NULL) { | |
0f113f3e MC |
1061 | BIO_printf(bio_err, "No issuer certificate specified\n"); |
1062 | return 0; | |
1063 | } | |
96487cdd | 1064 | if (*req == NULL) |
0f113f3e | 1065 | *req = OCSP_REQUEST_new(); |
96487cdd | 1066 | if (*req == NULL) |
0f113f3e MC |
1067 | goto err; |
1068 | id = OCSP_cert_to_id(cert_id_md, cert, issuer); | |
2234212c | 1069 | if (id == NULL || !sk_OCSP_CERTID_push(ids, id)) |
0f113f3e MC |
1070 | goto err; |
1071 | if (!OCSP_request_add0_id(*req, id)) | |
1072 | goto err; | |
1073 | return 1; | |
1074 | ||
1075 | err: | |
1076 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
1077 | return 0; | |
1078 | } | |
1079 | ||
1080 | static int add_ocsp_serial(OCSP_REQUEST **req, char *serial, | |
1081 | const EVP_MD *cert_id_md, X509 *issuer, | |
1082 | STACK_OF(OCSP_CERTID) *ids) | |
1083 | { | |
1084 | OCSP_CERTID *id; | |
1085 | X509_NAME *iname; | |
1086 | ASN1_BIT_STRING *ikey; | |
1087 | ASN1_INTEGER *sno; | |
2234212c PY |
1088 | |
1089 | if (issuer == NULL) { | |
0f113f3e MC |
1090 | BIO_printf(bio_err, "No issuer certificate specified\n"); |
1091 | return 0; | |
1092 | } | |
96487cdd | 1093 | if (*req == NULL) |
0f113f3e | 1094 | *req = OCSP_REQUEST_new(); |
96487cdd | 1095 | if (*req == NULL) |
0f113f3e MC |
1096 | goto err; |
1097 | iname = X509_get_subject_name(issuer); | |
1098 | ikey = X509_get0_pubkey_bitstr(issuer); | |
1099 | sno = s2i_ASN1_INTEGER(NULL, serial); | |
2234212c | 1100 | if (sno == NULL) { |
0f113f3e MC |
1101 | BIO_printf(bio_err, "Error converting serial number %s\n", serial); |
1102 | return 0; | |
1103 | } | |
1104 | id = OCSP_cert_id_new(cert_id_md, iname, ikey, sno); | |
1105 | ASN1_INTEGER_free(sno); | |
96487cdd | 1106 | if (id == NULL || !sk_OCSP_CERTID_push(ids, id)) |
0f113f3e MC |
1107 | goto err; |
1108 | if (!OCSP_request_add0_id(*req, id)) | |
1109 | goto err; | |
1110 | return 1; | |
1111 | ||
1112 | err: | |
1113 | BIO_printf(bio_err, "Error Creating OCSP request\n"); | |
1114 | return 0; | |
1115 | } | |
73758d43 | 1116 | |
7e1b7485 | 1117 | static void print_ocsp_summary(BIO *out, OCSP_BASICRESP *bs, OCSP_REQUEST *req, |
0f113f3e MC |
1118 | STACK_OF(OPENSSL_STRING) *names, |
1119 | STACK_OF(OCSP_CERTID) *ids, long nsec, | |
1120 | long maxage) | |
1121 | { | |
1122 | OCSP_CERTID *id; | |
cc696296 | 1123 | const char *name; |
7e1b7485 | 1124 | int i, status, reason; |
0f113f3e MC |
1125 | ASN1_GENERALIZEDTIME *rev, *thisupd, *nextupd; |
1126 | ||
2234212c | 1127 | if (bs == NULL || req == NULL || !sk_OPENSSL_STRING_num(names) |
0f113f3e | 1128 | || !sk_OCSP_CERTID_num(ids)) |
7e1b7485 | 1129 | return; |
0f113f3e MC |
1130 | |
1131 | for (i = 0; i < sk_OCSP_CERTID_num(ids); i++) { | |
1132 | id = sk_OCSP_CERTID_value(ids, i); | |
1133 | name = sk_OPENSSL_STRING_value(names, i); | |
1134 | BIO_printf(out, "%s: ", name); | |
1135 | ||
1136 | if (!OCSP_resp_find_status(bs, id, &status, &reason, | |
1137 | &rev, &thisupd, &nextupd)) { | |
1138 | BIO_puts(out, "ERROR: No Status found.\n"); | |
1139 | continue; | |
1140 | } | |
1141 | ||
1142 | /* | |
1143 | * Check validity: if invalid write to output BIO so we know which | |
1144 | * response this refers to. | |
1145 | */ | |
1146 | if (!OCSP_check_validity(thisupd, nextupd, nsec, maxage)) { | |
1147 | BIO_puts(out, "WARNING: Status times invalid.\n"); | |
1148 | ERR_print_errors(out); | |
1149 | } | |
1150 | BIO_printf(out, "%s\n", OCSP_cert_status_str(status)); | |
1151 | ||
1152 | BIO_puts(out, "\tThis Update: "); | |
1153 | ASN1_GENERALIZEDTIME_print(out, thisupd); | |
1154 | BIO_puts(out, "\n"); | |
1155 | ||
1156 | if (nextupd) { | |
1157 | BIO_puts(out, "\tNext Update: "); | |
1158 | ASN1_GENERALIZEDTIME_print(out, nextupd); | |
1159 | BIO_puts(out, "\n"); | |
1160 | } | |
1161 | ||
1162 | if (status != V_OCSP_CERTSTATUS_REVOKED) | |
1163 | continue; | |
1164 | ||
1165 | if (reason != -1) | |
1166 | BIO_printf(out, "\tReason: %s\n", OCSP_crl_reason_str(reason)); | |
1167 | ||
1168 | BIO_puts(out, "\tRevocation Time: "); | |
1169 | ASN1_GENERALIZEDTIME_print(out, rev); | |
1170 | BIO_puts(out, "\n"); | |
1171 | } | |
0f113f3e MC |
1172 | } |
1173 | ||
b4dd21a7 | 1174 | static void make_ocsp_response(BIO *err, OCSP_RESPONSE **resp, OCSP_REQUEST *req, |
3bb0f989 | 1175 | CA_DB *db, STACK_OF(X509) *ca, X509 *rcert, |
0f113f3e | 1176 | EVP_PKEY *rkey, const EVP_MD *rmd, |
b4dd21a7 | 1177 | STACK_OF(OPENSSL_STRING) *sigopts, |
0f113f3e | 1178 | STACK_OF(X509) *rother, unsigned long flags, |
0770c882 TS |
1179 | int nmin, int ndays, int badsig, |
1180 | const EVP_MD *resp_md) | |
0f113f3e MC |
1181 | { |
1182 | ASN1_TIME *thisupd = NULL, *nextupd = NULL; | |
3bb0f989 | 1183 | OCSP_CERTID *cid; |
0f113f3e | 1184 | OCSP_BASICRESP *bs = NULL; |
7e1b7485 | 1185 | int i, id_count; |
b4dd21a7 DC |
1186 | EVP_MD_CTX *mctx = NULL; |
1187 | EVP_PKEY_CTX *pkctx = NULL; | |
0f113f3e MC |
1188 | |
1189 | id_count = OCSP_request_onereq_count(req); | |
1190 | ||
1191 | if (id_count <= 0) { | |
1192 | *resp = | |
1193 | OCSP_response_create(OCSP_RESPONSE_STATUS_MALFORMEDREQUEST, NULL); | |
1194 | goto end; | |
1195 | } | |
1196 | ||
1197 | bs = OCSP_BASICRESP_new(); | |
1198 | thisupd = X509_gmtime_adj(NULL, 0); | |
1199 | if (ndays != -1) | |
9aa00b18 | 1200 | nextupd = X509_time_adj_ex(NULL, ndays, nmin * 60, NULL); |
0f113f3e MC |
1201 | |
1202 | /* Examine each certificate id in the request */ | |
1203 | for (i = 0; i < id_count; i++) { | |
1204 | OCSP_ONEREQ *one; | |
1205 | ASN1_INTEGER *serial; | |
1206 | char **inf; | |
3bb0f989 TS |
1207 | int jj; |
1208 | int found = 0; | |
0f113f3e MC |
1209 | ASN1_OBJECT *cert_id_md_oid; |
1210 | const EVP_MD *cert_id_md; | |
0770c882 TS |
1211 | OCSP_CERTID *cid_resp_md = NULL; |
1212 | ||
0f113f3e MC |
1213 | one = OCSP_request_onereq_get0(req, i); |
1214 | cid = OCSP_onereq_get0_id(one); | |
1215 | ||
1216 | OCSP_id_get0_info(NULL, &cert_id_md_oid, NULL, NULL, cid); | |
1217 | ||
1218 | cert_id_md = EVP_get_digestbyobj(cert_id_md_oid); | |
2234212c | 1219 | if (cert_id_md == NULL) { |
0f113f3e MC |
1220 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, |
1221 | NULL); | |
1222 | goto end; | |
1223 | } | |
3bb0f989 TS |
1224 | for (jj = 0; jj < sk_X509_num(ca) && !found; jj++) { |
1225 | X509 *ca_cert = sk_X509_value(ca, jj); | |
1226 | OCSP_CERTID *ca_id = OCSP_cert_to_id(cert_id_md, NULL, ca_cert); | |
1227 | ||
0770c882 | 1228 | if (OCSP_id_issuer_cmp(ca_id, cid) == 0) { |
3bb0f989 | 1229 | found = 1; |
0770c882 TS |
1230 | if (resp_md != NULL) |
1231 | cid_resp_md = OCSP_cert_to_id(resp_md, NULL, ca_cert); | |
1232 | } | |
3bb0f989 TS |
1233 | OCSP_CERTID_free(ca_id); |
1234 | } | |
0770c882 TS |
1235 | OCSP_id_get0_info(NULL, NULL, NULL, &serial, cid); |
1236 | inf = lookup_serial(db, serial); | |
1237 | ||
1238 | /* at this point, we can have cid be an alias of cid_resp_md */ | |
1239 | cid = (cid_resp_md != NULL) ? cid_resp_md : cid; | |
0f113f3e | 1240 | |
3bb0f989 | 1241 | if (!found) { |
0f113f3e MC |
1242 | OCSP_basic_add1_status(bs, cid, |
1243 | V_OCSP_CERTSTATUS_UNKNOWN, | |
1244 | 0, NULL, thisupd, nextupd); | |
1245 | continue; | |
1246 | } | |
2234212c | 1247 | if (inf == NULL) { |
0f113f3e MC |
1248 | OCSP_basic_add1_status(bs, cid, |
1249 | V_OCSP_CERTSTATUS_UNKNOWN, | |
1250 | 0, NULL, thisupd, nextupd); | |
2234212c | 1251 | } else if (inf[DB_type][0] == DB_TYPE_VAL) { |
0f113f3e MC |
1252 | OCSP_basic_add1_status(bs, cid, |
1253 | V_OCSP_CERTSTATUS_GOOD, | |
1254 | 0, NULL, thisupd, nextupd); | |
2234212c | 1255 | } else if (inf[DB_type][0] == DB_TYPE_REV) { |
0f113f3e MC |
1256 | ASN1_OBJECT *inst = NULL; |
1257 | ASN1_TIME *revtm = NULL; | |
1258 | ASN1_GENERALIZEDTIME *invtm = NULL; | |
1259 | OCSP_SINGLERESP *single; | |
1260 | int reason = -1; | |
0770c882 | 1261 | |
0f113f3e MC |
1262 | unpack_revinfo(&revtm, &reason, &inst, &invtm, inf[DB_rev_date]); |
1263 | single = OCSP_basic_add1_status(bs, cid, | |
1264 | V_OCSP_CERTSTATUS_REVOKED, | |
1265 | reason, revtm, thisupd, nextupd); | |
2234212c | 1266 | if (invtm != NULL) |
0f113f3e MC |
1267 | OCSP_SINGLERESP_add1_ext_i2d(single, NID_invalidity_date, |
1268 | invtm, 0, 0); | |
2234212c | 1269 | else if (inst != NULL) |
0f113f3e MC |
1270 | OCSP_SINGLERESP_add1_ext_i2d(single, |
1271 | NID_hold_instruction_code, inst, | |
1272 | 0, 0); | |
1273 | ASN1_OBJECT_free(inst); | |
1274 | ASN1_TIME_free(revtm); | |
1275 | ASN1_GENERALIZEDTIME_free(invtm); | |
1276 | } | |
0770c882 | 1277 | OCSP_CERTID_free(cid_resp_md); |
0f113f3e MC |
1278 | } |
1279 | ||
1280 | OCSP_copy_nonce(bs, req); | |
1281 | ||
b4dd21a7 DC |
1282 | mctx = EVP_MD_CTX_new(); |
1283 | if ( mctx == NULL || !EVP_DigestSignInit(mctx, &pkctx, rmd, NULL, rkey)) { | |
1284 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, NULL); | |
1285 | goto end; | |
1286 | } | |
1287 | for (i = 0; i < sk_OPENSSL_STRING_num(sigopts); i++) { | |
1288 | char *sigopt = sk_OPENSSL_STRING_value(sigopts, i); | |
89623f84 | 1289 | |
b4dd21a7 DC |
1290 | if (pkey_ctrl_string(pkctx, sigopt) <= 0) { |
1291 | BIO_printf(err, "parameter error \"%s\"\n", sigopt); | |
1292 | ERR_print_errors(bio_err); | |
1293 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, | |
1294 | NULL); | |
1295 | goto end; | |
1296 | } | |
1297 | } | |
72b89b8e DB |
1298 | if (!OCSP_basic_sign_ctx(bs, rcert, mctx, rother, flags)) { |
1299 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_INTERNALERROR, bs); | |
1300 | goto end; | |
1301 | } | |
0f113f3e | 1302 | |
6ef869d7 | 1303 | if (badsig) { |
a0754084 DSH |
1304 | const ASN1_OCTET_STRING *sig = OCSP_resp_get0_signature(bs); |
1305 | corrupt_signature(sig); | |
6ef869d7 | 1306 | } |
0f113f3e MC |
1307 | |
1308 | *resp = OCSP_response_create(OCSP_RESPONSE_STATUS_SUCCESSFUL, bs); | |
1309 | ||
1310 | end: | |
89623f84 | 1311 | EVP_MD_CTX_free(mctx); |
0f113f3e MC |
1312 | ASN1_TIME_free(thisupd); |
1313 | ASN1_TIME_free(nextupd); | |
0f113f3e | 1314 | OCSP_BASICRESP_free(bs); |
0f113f3e | 1315 | } |
ee306a13 | 1316 | |
f85b68cd | 1317 | static char **lookup_serial(CA_DB *db, ASN1_INTEGER *ser) |
0f113f3e MC |
1318 | { |
1319 | int i; | |
1320 | BIGNUM *bn = NULL; | |
1321 | char *itmp, *row[DB_NUMBER], **rrow; | |
1322 | for (i = 0; i < DB_NUMBER; i++) | |
1323 | row[i] = NULL; | |
1324 | bn = ASN1_INTEGER_to_BN(ser, NULL); | |
1325 | OPENSSL_assert(bn); /* FIXME: should report an error at this | |
1326 | * point and abort */ | |
1327 | if (BN_is_zero(bn)) | |
7644a9ae | 1328 | itmp = OPENSSL_strdup("00"); |
0f113f3e MC |
1329 | else |
1330 | itmp = BN_bn2hex(bn); | |
1331 | row[DB_serial] = itmp; | |
1332 | BN_free(bn); | |
1333 | rrow = TXT_DB_get_by_index(db->db, DB_serial, row); | |
1334 | OPENSSL_free(itmp); | |
1335 | return rrow; | |
1336 | } | |
ee306a13 DSH |
1337 | |
1338 | /* Quick and dirty OCSP server: read in and parse input request */ | |
1339 | ||
c45a48c1 | 1340 | static BIO *init_responder(const char *port) |
0f113f3e | 1341 | { |
366e2a60 | 1342 | # ifdef OPENSSL_NO_SOCK |
0f113f3e MC |
1343 | BIO_printf(bio_err, |
1344 | "Error setting up accept BIO - sockets not supported.\n"); | |
366e2a60 | 1345 | return NULL; |
f863ad0c MC |
1346 | # else |
1347 | BIO *acbio = NULL, *bufbio = NULL; | |
1348 | ||
366e2a60 | 1349 | bufbio = BIO_new(BIO_f_buffer()); |
96487cdd | 1350 | if (bufbio == NULL) |
0f113f3e | 1351 | goto err; |
366e2a60 RS |
1352 | acbio = BIO_new(BIO_s_accept()); |
1353 | if (acbio == NULL | |
1354 | || BIO_set_bind_mode(acbio, BIO_BIND_REUSEADDR) < 0 | |
1355 | || BIO_set_accept_port(acbio, port) < 0) { | |
3e3c7c36 | 1356 | log_message(LOG_ERR, "Error setting up accept BIO"); |
366e2a60 RS |
1357 | goto err; |
1358 | } | |
1359 | ||
0f113f3e MC |
1360 | BIO_set_accept_bios(acbio, bufbio); |
1361 | bufbio = NULL; | |
0f113f3e | 1362 | if (BIO_do_accept(acbio) <= 0) { |
3e3c7c36 | 1363 | log_message(LOG_ERR, "Error starting accept"); |
0f113f3e MC |
1364 | goto err; |
1365 | } | |
1366 | ||
1367 | return acbio; | |
1368 | ||
1369 | err: | |
1370 | BIO_free_all(acbio); | |
1371 | BIO_free(bufbio); | |
1372 | return NULL; | |
f863ad0c | 1373 | # endif |
0f113f3e | 1374 | } |
ee306a13 | 1375 | |
f863ad0c | 1376 | # ifndef OPENSSL_NO_SOCK |
fc3cec53 RS |
1377 | /* |
1378 | * Decode %xx URL-decoding in-place. Ignores mal-formed sequences. | |
1379 | */ | |
1380 | static int urldecode(char *p) | |
995101d6 RS |
1381 | { |
1382 | unsigned char *out = (unsigned char *)p; | |
fc3cec53 | 1383 | unsigned char *save = out; |
995101d6 RS |
1384 | |
1385 | for (; *p; p++) { | |
1386 | if (*p != '%') | |
1387 | *out++ = *p; | |
18295f0c | 1388 | else if (isxdigit(_UC(p[1])) && isxdigit(_UC(p[2]))) { |
14f051a0 RS |
1389 | /* Don't check, can't fail because of ixdigit() call. */ |
1390 | *out++ = (OPENSSL_hexchar2int(p[1]) << 4) | |
1391 | | OPENSSL_hexchar2int(p[2]); | |
995101d6 RS |
1392 | p += 2; |
1393 | } | |
fc3cec53 RS |
1394 | else |
1395 | return -1; | |
995101d6 | 1396 | } |
fc3cec53 RS |
1397 | *out = '\0'; |
1398 | return (int)(out - save); | |
995101d6 | 1399 | } |
f863ad0c | 1400 | # endif |
995101d6 | 1401 | |
3e3c7c36 | 1402 | # ifdef OCSP_DAEMON |
e9b95e42 | 1403 | static void socket_timeout(int signum) |
3e3c7c36 VD |
1404 | { |
1405 | if (acfd != (int)INVALID_SOCKET) | |
1406 | (void)shutdown(acfd, SHUT_RD); | |
1407 | } | |
1408 | # endif | |
1409 | ||
1410 | static int do_responder(OCSP_REQUEST **preq, BIO **pcbio, BIO *acbio, | |
1411 | int timeout) | |
0f113f3e | 1412 | { |
f863ad0c MC |
1413 | # ifdef OPENSSL_NO_SOCK |
1414 | return 0; | |
1415 | # else | |
7e1b7485 | 1416 | int len; |
0f113f3e | 1417 | OCSP_REQUEST *req = NULL; |
fc3cec53 | 1418 | char inbuf[2048], reqbuf[2048]; |
995101d6 RS |
1419 | char *p, *q; |
1420 | BIO *cbio = NULL, *getbio = NULL, *b64 = NULL; | |
3e3c7c36 | 1421 | const char *client; |
0f113f3e | 1422 | |
3e3c7c36 VD |
1423 | *preq = NULL; |
1424 | ||
1425 | /* Connection loss before accept() is routine, ignore silently */ | |
1426 | if (BIO_do_accept(acbio) <= 0) | |
0f113f3e | 1427 | return 0; |
0f113f3e MC |
1428 | |
1429 | cbio = BIO_pop(acbio); | |
1430 | *pcbio = cbio; | |
3e3c7c36 VD |
1431 | client = BIO_get_peer_name(cbio); |
1432 | ||
1433 | # ifdef OCSP_DAEMON | |
1434 | if (timeout > 0) { | |
1435 | (void) BIO_get_fd(cbio, &acfd); | |
1436 | alarm(timeout); | |
1437 | } | |
1438 | # endif | |
0f113f3e | 1439 | |
7e1b7485 | 1440 | /* Read the request line. */ |
cbe29648 | 1441 | len = BIO_gets(cbio, reqbuf, sizeof(reqbuf)); |
7e1b7485 | 1442 | if (len <= 0) |
3e3c7c36 VD |
1443 | goto out; |
1444 | ||
fc3cec53 | 1445 | if (strncmp(reqbuf, "GET ", 4) == 0) { |
995101d6 | 1446 | /* Expecting GET {sp} /URL {sp} HTTP/1.x */ |
fc3cec53 | 1447 | for (p = reqbuf + 4; *p == ' '; ++p) |
995101d6 | 1448 | continue; |
fc3cec53 | 1449 | if (*p != '/') { |
3e3c7c36 VD |
1450 | log_message(LOG_INFO, "Invalid request -- bad URL: %s", client); |
1451 | goto out; | |
995101d6 | 1452 | } |
fc3cec53 RS |
1453 | p++; |
1454 | ||
995101d6 RS |
1455 | /* Splice off the HTTP version identifier. */ |
1456 | for (q = p; *q; q++) | |
fc3cec53 | 1457 | if (*q == ' ') |
995101d6 | 1458 | break; |
fc3cec53 | 1459 | if (strncmp(q, " HTTP/1.", 8) != 0) { |
3e3c7c36 VD |
1460 | log_message(LOG_INFO, |
1461 | "Invalid request -- bad HTTP version: %s", client); | |
1462 | goto out; | |
995101d6 RS |
1463 | } |
1464 | *q = '\0'; | |
3e3c7c36 VD |
1465 | |
1466 | /* | |
5fe499cb VD |
1467 | * Skip "GET / HTTP..." requests often used by load-balancers. Note: |
1468 | * 'p' was incremented above to point to the first byte *after* the | |
1469 | * leading slash, so with 'GET / ' it is now an empty string. | |
3e3c7c36 | 1470 | */ |
5fe499cb | 1471 | if (p[0] == '\0') |
3e3c7c36 VD |
1472 | goto out; |
1473 | ||
fc3cec53 RS |
1474 | len = urldecode(p); |
1475 | if (len <= 0) { | |
3e3c7c36 VD |
1476 | log_message(LOG_INFO, |
1477 | "Invalid request -- bad URL encoding: %s", client); | |
1478 | goto out; | |
fc3cec53 RS |
1479 | } |
1480 | if ((getbio = BIO_new_mem_buf(p, len)) == NULL | |
1481 | || (b64 = BIO_new(BIO_f_base64())) == NULL) { | |
3e3c7c36 VD |
1482 | log_message(LOG_ERR, "Could not allocate base64 bio: %s", client); |
1483 | goto out; | |
fc3cec53 | 1484 | } |
995101d6 RS |
1485 | BIO_set_flags(b64, BIO_FLAGS_BASE64_NO_NL); |
1486 | getbio = BIO_push(b64, getbio); | |
fc3cec53 | 1487 | } else if (strncmp(reqbuf, "POST ", 5) != 0) { |
3e3c7c36 VD |
1488 | log_message(LOG_INFO, "Invalid request -- bad HTTP verb: %s", client); |
1489 | goto out; | |
7e1b7485 | 1490 | } |
fc3cec53 RS |
1491 | |
1492 | /* Read and skip past the headers. */ | |
0f113f3e | 1493 | for (;;) { |
cbe29648 | 1494 | len = BIO_gets(cbio, inbuf, sizeof(inbuf)); |
0f113f3e | 1495 | if (len <= 0) |
3e3c7c36 | 1496 | goto out; |
0f113f3e MC |
1497 | if ((inbuf[0] == '\r') || (inbuf[0] == '\n')) |
1498 | break; | |
1499 | } | |
1500 | ||
3e3c7c36 VD |
1501 | # ifdef OCSP_DAEMON |
1502 | /* Clear alarm before we close the client socket */ | |
1503 | alarm(0); | |
1504 | timeout = 0; | |
1505 | # endif | |
1506 | ||
0f113f3e | 1507 | /* Try to read OCSP request */ |
2234212c | 1508 | if (getbio != NULL) { |
995101d6 RS |
1509 | req = d2i_OCSP_REQUEST_bio(getbio, NULL); |
1510 | BIO_free_all(getbio); | |
2234212c | 1511 | } else { |
995101d6 | 1512 | req = d2i_OCSP_REQUEST_bio(cbio, NULL); |
2234212c | 1513 | } |
0f113f3e | 1514 | |
3e3c7c36 VD |
1515 | if (req == NULL) |
1516 | log_message(LOG_ERR, "Error parsing OCSP request"); | |
0f113f3e MC |
1517 | |
1518 | *preq = req; | |
1519 | ||
3e3c7c36 VD |
1520 | out: |
1521 | # ifdef OCSP_DAEMON | |
1522 | if (timeout > 0) | |
1523 | alarm(0); | |
1524 | acfd = (int)INVALID_SOCKET; | |
1525 | # endif | |
0f113f3e | 1526 | return 1; |
f863ad0c | 1527 | # endif |
0f113f3e | 1528 | } |
ee306a13 DSH |
1529 | |
1530 | static int send_ocsp_response(BIO *cbio, OCSP_RESPONSE *resp) | |
0f113f3e MC |
1531 | { |
1532 | char http_resp[] = | |
1533 | "HTTP/1.0 200 OK\r\nContent-type: application/ocsp-response\r\n" | |
1534 | "Content-Length: %d\r\n\r\n"; | |
2234212c | 1535 | if (cbio == NULL) |
0f113f3e MC |
1536 | return 0; |
1537 | BIO_printf(cbio, http_resp, i2d_OCSP_RESPONSE(resp, NULL)); | |
1538 | i2d_OCSP_RESPONSE_bio(cbio, resp); | |
1539 | (void)BIO_flush(cbio); | |
1540 | return 1; | |
1541 | } | |
ee306a13 | 1542 | |
f9e55034 | 1543 | # ifndef OPENSSL_NO_SOCK |
76e0cd12 DSH |
1544 | static OCSP_RESPONSE *query_responder(BIO *cbio, const char *host, |
1545 | const char *path, | |
0f113f3e MC |
1546 | const STACK_OF(CONF_VALUE) *headers, |
1547 | OCSP_REQUEST *req, int req_timeout) | |
1548 | { | |
1549 | int fd; | |
1550 | int rv; | |
1551 | int i; | |
76e0cd12 | 1552 | int add_host = 1; |
0f113f3e MC |
1553 | OCSP_REQ_CTX *ctx = NULL; |
1554 | OCSP_RESPONSE *rsp = NULL; | |
1555 | fd_set confds; | |
1556 | struct timeval tv; | |
1557 | ||
1558 | if (req_timeout != -1) | |
1559 | BIO_set_nbio(cbio, 1); | |
1560 | ||
1561 | rv = BIO_do_connect(cbio); | |
1562 | ||
1563 | if ((rv <= 0) && ((req_timeout == -1) || !BIO_should_retry(cbio))) { | |
7e1b7485 | 1564 | BIO_puts(bio_err, "Error connecting BIO\n"); |
0f113f3e MC |
1565 | return NULL; |
1566 | } | |
1567 | ||
4428c7db | 1568 | if (BIO_get_fd(cbio, &fd) < 0) { |
7e1b7485 | 1569 | BIO_puts(bio_err, "Can't get connection fd\n"); |
0f113f3e MC |
1570 | goto err; |
1571 | } | |
1572 | ||
1573 | if (req_timeout != -1 && rv <= 0) { | |
1574 | FD_ZERO(&confds); | |
1575 | openssl_fdset(fd, &confds); | |
1576 | tv.tv_usec = 0; | |
1577 | tv.tv_sec = req_timeout; | |
1578 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); | |
1579 | if (rv == 0) { | |
7e1b7485 | 1580 | BIO_puts(bio_err, "Timeout on connect\n"); |
0f113f3e MC |
1581 | return NULL; |
1582 | } | |
1583 | } | |
1584 | ||
1585 | ctx = OCSP_sendreq_new(cbio, path, NULL, -1); | |
96487cdd | 1586 | if (ctx == NULL) |
0f113f3e MC |
1587 | return NULL; |
1588 | ||
1589 | for (i = 0; i < sk_CONF_VALUE_num(headers); i++) { | |
1590 | CONF_VALUE *hdr = sk_CONF_VALUE_value(headers, i); | |
76e0cd12 DSH |
1591 | if (add_host == 1 && strcasecmp("host", hdr->name) == 0) |
1592 | add_host = 0; | |
0f113f3e MC |
1593 | if (!OCSP_REQ_CTX_add1_header(ctx, hdr->name, hdr->value)) |
1594 | goto err; | |
1595 | } | |
1596 | ||
76e0cd12 DSH |
1597 | if (add_host == 1 && OCSP_REQ_CTX_add1_header(ctx, "Host", host) == 0) |
1598 | goto err; | |
1599 | ||
0f113f3e MC |
1600 | if (!OCSP_REQ_CTX_set1_req(ctx, req)) |
1601 | goto err; | |
1602 | ||
1603 | for (;;) { | |
1604 | rv = OCSP_sendreq_nbio(&rsp, ctx); | |
1605 | if (rv != -1) | |
1606 | break; | |
1607 | if (req_timeout == -1) | |
1608 | continue; | |
1609 | FD_ZERO(&confds); | |
1610 | openssl_fdset(fd, &confds); | |
1611 | tv.tv_usec = 0; | |
1612 | tv.tv_sec = req_timeout; | |
2234212c | 1613 | if (BIO_should_read(cbio)) { |
0f113f3e | 1614 | rv = select(fd + 1, (void *)&confds, NULL, NULL, &tv); |
2234212c | 1615 | } else if (BIO_should_write(cbio)) { |
0f113f3e | 1616 | rv = select(fd + 1, NULL, (void *)&confds, NULL, &tv); |
2234212c | 1617 | } else { |
7e1b7485 | 1618 | BIO_puts(bio_err, "Unexpected retry condition\n"); |
0f113f3e MC |
1619 | goto err; |
1620 | } | |
1621 | if (rv == 0) { | |
7e1b7485 | 1622 | BIO_puts(bio_err, "Timeout on request\n"); |
0f113f3e MC |
1623 | break; |
1624 | } | |
1625 | if (rv == -1) { | |
7e1b7485 | 1626 | BIO_puts(bio_err, "Select error\n"); |
0f113f3e MC |
1627 | break; |
1628 | } | |
1629 | ||
1630 | } | |
1631 | err: | |
895cba19 | 1632 | OCSP_REQ_CTX_free(ctx); |
0f113f3e MC |
1633 | |
1634 | return rsp; | |
1635 | } | |
454dbbc5 | 1636 | |
7e1b7485 | 1637 | OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, |
0f113f3e MC |
1638 | const char *host, const char *path, |
1639 | const char *port, int use_ssl, | |
82c49427 | 1640 | STACK_OF(CONF_VALUE) *headers, |
0f113f3e MC |
1641 | int req_timeout) |
1642 | { | |
1643 | BIO *cbio = NULL; | |
1644 | SSL_CTX *ctx = NULL; | |
1645 | OCSP_RESPONSE *resp = NULL; | |
ff4a9394 | 1646 | |
0f113f3e | 1647 | cbio = BIO_new_connect(host); |
2234212c | 1648 | if (cbio == NULL) { |
7e1b7485 | 1649 | BIO_printf(bio_err, "Error creating connect BIO\n"); |
0f113f3e MC |
1650 | goto end; |
1651 | } | |
2234212c | 1652 | if (port != NULL) |
0f113f3e MC |
1653 | BIO_set_conn_port(cbio, port); |
1654 | if (use_ssl == 1) { | |
1655 | BIO *sbio; | |
13c9bb3e | 1656 | ctx = SSL_CTX_new(TLS_client_method()); |
0f113f3e | 1657 | if (ctx == NULL) { |
7e1b7485 | 1658 | BIO_printf(bio_err, "Error creating SSL context.\n"); |
0f113f3e MC |
1659 | goto end; |
1660 | } | |
1661 | SSL_CTX_set_mode(ctx, SSL_MODE_AUTO_RETRY); | |
1662 | sbio = BIO_new_ssl(ctx, 1); | |
1663 | cbio = BIO_push(sbio, cbio); | |
1664 | } | |
ff4a9394 | 1665 | |
76e0cd12 | 1666 | resp = query_responder(cbio, host, path, headers, req, req_timeout); |
2234212c | 1667 | if (resp == NULL) |
0f113f3e MC |
1668 | BIO_printf(bio_err, "Error querying OCSP responder\n"); |
1669 | end: | |
ca3a82c3 | 1670 | BIO_free_all(cbio); |
62adbcee | 1671 | SSL_CTX_free(ctx); |
0f113f3e MC |
1672 | return resp; |
1673 | } | |
f9e55034 | 1674 | # endif |
67c8e7f4 | 1675 | |
85d686e7 | 1676 | #endif |