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1 /*
2  * Copyright 1995-2019 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the OpenSSL license (the "License").  You may not use
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
8  */
9 
10 #ifndef OSSL_APPS_H
11 # define OSSL_APPS_H
12 
13 # include "e_os.h" /* struct timeval for DTLS */
14 # include "internal/nelem.h"
15 # include <assert.h>
16 
17 # include <sys/types.h>
18 # ifndef OPENSSL_NO_POSIX_IO
19 #  include <sys/stat.h>
20 #  include <fcntl.h>
21 # endif
22 
23 # include <openssl/e_os2.h>
24 # include <openssl/ossl_typ.h>
25 # include <openssl/bio.h>
26 # include <openssl/x509.h>
27 # include <openssl/conf.h>
28 # include <openssl/txt_db.h>
29 # include <openssl/engine.h>
30 # include <openssl/ocsp.h>
31 # include <signal.h>
32 
33 # if defined(OPENSSL_SYS_WIN32) || defined(OPENSSL_SYS_WINCE)
34 #  define openssl_fdset(a,b) FD_SET((unsigned int)a, b)
35 # else
36 #  define openssl_fdset(a,b) FD_SET(a, b)
37 # endif
38 
39 /*
40  * quick macro when you need to pass an unsigned char instead of a char.
41  * this is true for some implementations of the is*() functions, for
42  * example.
43  */
44 #define _UC(c) ((unsigned char)(c))
45 
46 void app_RAND_load_conf(CONF *c, const char *section);
47 void app_RAND_write(void);
48 
49 extern char *default_config_file;
50 extern BIO *bio_in;
51 extern BIO *bio_out;
52 extern BIO *bio_err;
53 extern const unsigned char tls13_aes128gcmsha256_id[];
54 extern const unsigned char tls13_aes256gcmsha384_id[];
55 extern BIO_ADDR *ourpeer;
56 
57 BIO_METHOD *apps_bf_prefix(void);
58 /*
59  * The control used to set the prefix with BIO_ctrl()
60  * We make it high enough so the chance of ever clashing with the BIO library
61  * remains unlikely for the foreseeable future and beyond.
62  */
63 #define PREFIX_CTRL_SET_PREFIX  (1 << 15)
64 /*
65  * apps_bf_prefix() returns a dynamically created BIO_METHOD, which we
66  * need to destroy at some point.  When created internally, it's stored
67  * in an internal pointer which can be freed with the following function
68  */
69 void destroy_prefix_method(void);
70 
71 BIO *dup_bio_in(int format);
72 BIO *dup_bio_out(int format);
73 BIO *dup_bio_err(int format);
74 BIO *bio_open_owner(const char *filename, int format, int private);
75 BIO *bio_open_default(const char *filename, char mode, int format);
76 BIO *bio_open_default_quiet(const char *filename, char mode, int format);
77 CONF *app_load_config_bio(BIO *in, const char *filename);
78 CONF *app_load_config(const char *filename);
79 CONF *app_load_config_quiet(const char *filename);
80 int app_load_modules(const CONF *config);
81 void unbuffer(FILE *fp);
82 void wait_for_async(SSL *s);
83 # if defined(OPENSSL_SYS_MSDOS)
84 int has_stdin_waiting(void);
85 # endif
86 
87 void corrupt_signature(const ASN1_STRING *signature);
88 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
89                    int days);
90 
91 /*
92  * Common verification options.
93  */
94 # define OPT_V_ENUM \
95         OPT_V__FIRST=2000, \
96         OPT_V_POLICY, OPT_V_PURPOSE, OPT_V_VERIFY_NAME, OPT_V_VERIFY_DEPTH, \
97         OPT_V_ATTIME, OPT_V_VERIFY_HOSTNAME, OPT_V_VERIFY_EMAIL, \
98         OPT_V_VERIFY_IP, OPT_V_IGNORE_CRITICAL, OPT_V_ISSUER_CHECKS, \
99         OPT_V_CRL_CHECK, OPT_V_CRL_CHECK_ALL, OPT_V_POLICY_CHECK, \
100         OPT_V_EXPLICIT_POLICY, OPT_V_INHIBIT_ANY, OPT_V_INHIBIT_MAP, \
101         OPT_V_X509_STRICT, OPT_V_EXTENDED_CRL, OPT_V_USE_DELTAS, \
102         OPT_V_POLICY_PRINT, OPT_V_CHECK_SS_SIG, OPT_V_TRUSTED_FIRST, \
103         OPT_V_SUITEB_128_ONLY, OPT_V_SUITEB_128, OPT_V_SUITEB_192, \
104         OPT_V_PARTIAL_CHAIN, OPT_V_NO_ALT_CHAINS, OPT_V_NO_CHECK_TIME, \
105         OPT_V_VERIFY_AUTH_LEVEL, OPT_V_ALLOW_PROXY_CERTS, \
106         OPT_V__LAST
107 
108 # define OPT_V_OPTIONS \
109         { "policy", OPT_V_POLICY, 's', "adds policy to the acceptable policy set"}, \
110         { "purpose", OPT_V_PURPOSE, 's', \
111             "certificate chain purpose"}, \
112         { "verify_name", OPT_V_VERIFY_NAME, 's', "verification policy name"}, \
113         { "verify_depth", OPT_V_VERIFY_DEPTH, 'n', \
114             "chain depth limit" }, \
115         { "auth_level", OPT_V_VERIFY_AUTH_LEVEL, 'n', \
116             "chain authentication security level" }, \
117         { "attime", OPT_V_ATTIME, 'M', "verification epoch time" }, \
118         { "verify_hostname", OPT_V_VERIFY_HOSTNAME, 's', \
119             "expected peer hostname" }, \
120         { "verify_email", OPT_V_VERIFY_EMAIL, 's', \
121             "expected peer email" }, \
122         { "verify_ip", OPT_V_VERIFY_IP, 's', \
123             "expected peer IP address" }, \
124         { "ignore_critical", OPT_V_IGNORE_CRITICAL, '-', \
125             "permit unhandled critical extensions"}, \
126         { "issuer_checks", OPT_V_ISSUER_CHECKS, '-', "(deprecated)"}, \
127         { "crl_check", OPT_V_CRL_CHECK, '-', "check leaf certificate revocation" }, \
128         { "crl_check_all", OPT_V_CRL_CHECK_ALL, '-', "check full chain revocation" }, \
129         { "policy_check", OPT_V_POLICY_CHECK, '-', "perform rfc5280 policy checks"}, \
130         { "explicit_policy", OPT_V_EXPLICIT_POLICY, '-', \
131             "set policy variable require-explicit-policy"}, \
132         { "inhibit_any", OPT_V_INHIBIT_ANY, '-', \
133             "set policy variable inhibit-any-policy"}, \
134         { "inhibit_map", OPT_V_INHIBIT_MAP, '-', \
135             "set policy variable inhibit-policy-mapping"}, \
136         { "x509_strict", OPT_V_X509_STRICT, '-', \
137             "disable certificate compatibility work-arounds"}, \
138         { "extended_crl", OPT_V_EXTENDED_CRL, '-', \
139             "enable extended CRL features"}, \
140         { "use_deltas", OPT_V_USE_DELTAS, '-', \
141             "use delta CRLs"}, \
142         { "policy_print", OPT_V_POLICY_PRINT, '-', \
143             "print policy processing diagnostics"}, \
144         { "check_ss_sig", OPT_V_CHECK_SS_SIG, '-', \
145             "check root CA self-signatures"}, \
146         { "trusted_first", OPT_V_TRUSTED_FIRST, '-', \
147             "search trust store first (default)" }, \
148         { "suiteB_128_only", OPT_V_SUITEB_128_ONLY, '-', "Suite B 128-bit-only mode"}, \
149         { "suiteB_128", OPT_V_SUITEB_128, '-', \
150             "Suite B 128-bit mode allowing 192-bit algorithms"}, \
151         { "suiteB_192", OPT_V_SUITEB_192, '-', "Suite B 192-bit-only mode" }, \
152         { "partial_chain", OPT_V_PARTIAL_CHAIN, '-', \
153             "accept chains anchored by intermediate trust-store CAs"}, \
154         { "no_alt_chains", OPT_V_NO_ALT_CHAINS, '-', "(deprecated)" }, \
155         { "no_check_time", OPT_V_NO_CHECK_TIME, '-', "ignore certificate validity time" }, \
156         { "allow_proxy_certs", OPT_V_ALLOW_PROXY_CERTS, '-', "allow the use of proxy certificates" }
157 
158 # define OPT_V_CASES \
159         OPT_V__FIRST: case OPT_V__LAST: break; \
160         case OPT_V_POLICY: \
161         case OPT_V_PURPOSE: \
162         case OPT_V_VERIFY_NAME: \
163         case OPT_V_VERIFY_DEPTH: \
164         case OPT_V_VERIFY_AUTH_LEVEL: \
165         case OPT_V_ATTIME: \
166         case OPT_V_VERIFY_HOSTNAME: \
167         case OPT_V_VERIFY_EMAIL: \
168         case OPT_V_VERIFY_IP: \
169         case OPT_V_IGNORE_CRITICAL: \
170         case OPT_V_ISSUER_CHECKS: \
171         case OPT_V_CRL_CHECK: \
172         case OPT_V_CRL_CHECK_ALL: \
173         case OPT_V_POLICY_CHECK: \
174         case OPT_V_EXPLICIT_POLICY: \
175         case OPT_V_INHIBIT_ANY: \
176         case OPT_V_INHIBIT_MAP: \
177         case OPT_V_X509_STRICT: \
178         case OPT_V_EXTENDED_CRL: \
179         case OPT_V_USE_DELTAS: \
180         case OPT_V_POLICY_PRINT: \
181         case OPT_V_CHECK_SS_SIG: \
182         case OPT_V_TRUSTED_FIRST: \
183         case OPT_V_SUITEB_128_ONLY: \
184         case OPT_V_SUITEB_128: \
185         case OPT_V_SUITEB_192: \
186         case OPT_V_PARTIAL_CHAIN: \
187         case OPT_V_NO_ALT_CHAINS: \
188         case OPT_V_NO_CHECK_TIME: \
189         case OPT_V_ALLOW_PROXY_CERTS
190 
191 /*
192  * Common "extended validation" options.
193  */
194 # define OPT_X_ENUM \
195         OPT_X__FIRST=1000, \
196         OPT_X_KEY, OPT_X_CERT, OPT_X_CHAIN, OPT_X_CHAIN_BUILD, \
197         OPT_X_CERTFORM, OPT_X_KEYFORM, \
198         OPT_X__LAST
199 
200 # define OPT_X_OPTIONS \
201         { "xkey", OPT_X_KEY, '<', "key for Extended certificates"}, \
202         { "xcert", OPT_X_CERT, '<', "cert for Extended certificates"}, \
203         { "xchain", OPT_X_CHAIN, '<', "chain for Extended certificates"}, \
204         { "xchain_build", OPT_X_CHAIN_BUILD, '-', \
205             "build certificate chain for the extended certificates"}, \
206         { "xcertform", OPT_X_CERTFORM, 'F', \
207             "format of Extended certificate (PEM or DER) PEM default " }, \
208         { "xkeyform", OPT_X_KEYFORM, 'F', \
209             "format of Extended certificate's key (PEM or DER) PEM default"}
210 
211 # define OPT_X_CASES \
212         OPT_X__FIRST: case OPT_X__LAST: break; \
213         case OPT_X_KEY: \
214         case OPT_X_CERT: \
215         case OPT_X_CHAIN: \
216         case OPT_X_CHAIN_BUILD: \
217         case OPT_X_CERTFORM: \
218         case OPT_X_KEYFORM
219 
220 /*
221  * Common SSL options.
222  * Any changes here must be coordinated with ../ssl/ssl_conf.c
223  */
224 # define OPT_S_ENUM \
225         OPT_S__FIRST=3000, \
226         OPT_S_NOSSL3, OPT_S_NOTLS1, OPT_S_NOTLS1_1, OPT_S_NOTLS1_2, \
227         OPT_S_NOTLS1_3, OPT_S_BUGS, OPT_S_NO_COMP, OPT_S_NOTICKET, \
228         OPT_S_SERVERPREF, OPT_S_LEGACYRENEG, OPT_S_LEGACYCONN, \
229         OPT_S_ONRESUMP, OPT_S_NOLEGACYCONN, OPT_S_ALLOW_NO_DHE_KEX, \
230         OPT_S_PRIORITIZE_CHACHA, \
231         OPT_S_STRICT, OPT_S_SIGALGS, OPT_S_CLIENTSIGALGS, OPT_S_GROUPS, \
232         OPT_S_CURVES, OPT_S_NAMEDCURVE, OPT_S_CIPHER, OPT_S_CIPHERSUITES, \
233         OPT_S_RECORD_PADDING, OPT_S_DEBUGBROKE, OPT_S_COMP, \
234         OPT_S_MINPROTO, OPT_S_MAXPROTO, \
235         OPT_S_NO_RENEGOTIATION, OPT_S_NO_MIDDLEBOX, OPT_S__LAST
236 
237 # define OPT_S_OPTIONS \
238         {"no_ssl3", OPT_S_NOSSL3, '-',"Just disable SSLv3" }, \
239         {"no_tls1", OPT_S_NOTLS1, '-', "Just disable TLSv1"}, \
240         {"no_tls1_1", OPT_S_NOTLS1_1, '-', "Just disable TLSv1.1" }, \
241         {"no_tls1_2", OPT_S_NOTLS1_2, '-', "Just disable TLSv1.2"}, \
242         {"no_tls1_3", OPT_S_NOTLS1_3, '-', "Just disable TLSv1.3"}, \
243         {"bugs", OPT_S_BUGS, '-', "Turn on SSL bug compatibility"}, \
244         {"no_comp", OPT_S_NO_COMP, '-', "Disable SSL/TLS compression (default)" }, \
245         {"comp", OPT_S_COMP, '-', "Use SSL/TLS-level compression" }, \
246         {"no_ticket", OPT_S_NOTICKET, '-', \
247             "Disable use of TLS session tickets"}, \
248         {"serverpref", OPT_S_SERVERPREF, '-', "Use server's cipher preferences"}, \
249         {"legacy_renegotiation", OPT_S_LEGACYRENEG, '-', \
250             "Enable use of legacy renegotiation (dangerous)"}, \
251         {"no_renegotiation", OPT_S_NO_RENEGOTIATION, '-', \
252             "Disable all renegotiation."}, \
253         {"legacy_server_connect", OPT_S_LEGACYCONN, '-', \
254             "Allow initial connection to servers that don't support RI"}, \
255         {"no_resumption_on_reneg", OPT_S_ONRESUMP, '-', \
256             "Disallow session resumption on renegotiation"}, \
257         {"no_legacy_server_connect", OPT_S_NOLEGACYCONN, '-', \
258             "Disallow initial connection to servers that don't support RI"}, \
259         {"allow_no_dhe_kex", OPT_S_ALLOW_NO_DHE_KEX, '-', \
260             "In TLSv1.3 allow non-(ec)dhe based key exchange on resumption"}, \
261         {"prioritize_chacha", OPT_S_PRIORITIZE_CHACHA, '-', \
262             "Prioritize ChaCha ciphers when preferred by clients"}, \
263         {"strict", OPT_S_STRICT, '-', \
264             "Enforce strict certificate checks as per TLS standard"}, \
265         {"sigalgs", OPT_S_SIGALGS, 's', \
266             "Signature algorithms to support (colon-separated list)" }, \
267         {"client_sigalgs", OPT_S_CLIENTSIGALGS, 's', \
268             "Signature algorithms to support for client certificate" \
269             " authentication (colon-separated list)" }, \
270         {"groups", OPT_S_GROUPS, 's', \
271             "Groups to advertise (colon-separated list)" }, \
272         {"curves", OPT_S_CURVES, 's', \
273             "Groups to advertise (colon-separated list)" }, \
274         {"named_curve", OPT_S_NAMEDCURVE, 's', \
275             "Elliptic curve used for ECDHE (server-side only)" }, \
276         {"cipher", OPT_S_CIPHER, 's', "Specify TLSv1.2 and below cipher list to be used"}, \
277         {"ciphersuites", OPT_S_CIPHERSUITES, 's', "Specify TLSv1.3 ciphersuites to be used"}, \
278         {"min_protocol", OPT_S_MINPROTO, 's', "Specify the minimum protocol version to be used"}, \
279         {"max_protocol", OPT_S_MAXPROTO, 's', "Specify the maximum protocol version to be used"}, \
280         {"record_padding", OPT_S_RECORD_PADDING, 's', \
281             "Block size to pad TLS 1.3 records to."}, \
282         {"debug_broken_protocol", OPT_S_DEBUGBROKE, '-', \
283             "Perform all sorts of protocol violations for testing purposes"}, \
284         {"no_middlebox", OPT_S_NO_MIDDLEBOX, '-', \
285             "Disable TLSv1.3 middlebox compat mode" }
286 
287 # define OPT_S_CASES \
288         OPT_S__FIRST: case OPT_S__LAST: break; \
289         case OPT_S_NOSSL3: \
290         case OPT_S_NOTLS1: \
291         case OPT_S_NOTLS1_1: \
292         case OPT_S_NOTLS1_2: \
293         case OPT_S_NOTLS1_3: \
294         case OPT_S_BUGS: \
295         case OPT_S_NO_COMP: \
296         case OPT_S_COMP: \
297         case OPT_S_NOTICKET: \
298         case OPT_S_SERVERPREF: \
299         case OPT_S_LEGACYRENEG: \
300         case OPT_S_LEGACYCONN: \
301         case OPT_S_ONRESUMP: \
302         case OPT_S_NOLEGACYCONN: \
303         case OPT_S_ALLOW_NO_DHE_KEX: \
304         case OPT_S_PRIORITIZE_CHACHA: \
305         case OPT_S_STRICT: \
306         case OPT_S_SIGALGS: \
307         case OPT_S_CLIENTSIGALGS: \
308         case OPT_S_GROUPS: \
309         case OPT_S_CURVES: \
310         case OPT_S_NAMEDCURVE: \
311         case OPT_S_CIPHER: \
312         case OPT_S_CIPHERSUITES: \
313         case OPT_S_RECORD_PADDING: \
314         case OPT_S_NO_RENEGOTIATION: \
315         case OPT_S_MINPROTO: \
316         case OPT_S_MAXPROTO: \
317         case OPT_S_DEBUGBROKE: \
318         case OPT_S_NO_MIDDLEBOX
319 
320 #define IS_NO_PROT_FLAG(o) \
321  (o == OPT_S_NOSSL3 || o == OPT_S_NOTLS1 || o == OPT_S_NOTLS1_1 \
322   || o == OPT_S_NOTLS1_2 || o == OPT_S_NOTLS1_3)
323 
324 /*
325  * Random state options.
326  */
327 # define OPT_R_ENUM \
328         OPT_R__FIRST=1500, OPT_R_RAND, OPT_R_WRITERAND, OPT_R__LAST
329 
330 # define OPT_R_OPTIONS \
331     {"rand", OPT_R_RAND, 's', "Load the file(s) into the random number generator"}, \
332     {"writerand", OPT_R_WRITERAND, '>', "Write random data to the specified file"}
333 
334 # define OPT_R_CASES \
335         OPT_R__FIRST: case OPT_R__LAST: break; \
336         case OPT_R_RAND: case OPT_R_WRITERAND
337 
338 /*
339  * Option parsing.
340  */
341 extern const char OPT_HELP_STR[];
342 extern const char OPT_MORE_STR[];
343 typedef struct options_st {
344     const char *name;
345     int retval;
346     /*
347      * value type: - no value (also the value zero), n number, p positive
348      * number, u unsigned, l long, s string, < input file, > output file,
349      * f any format, F der/pem format, E der/pem/engine format identifier.
350      * l, n and u include zero; p does not.
351      */
352     int valtype;
353     const char *helpstr;
354 } OPTIONS;
355 
356 /*
357  * A string/int pairing; widely use for option value lookup, hence the
358  * name OPT_PAIR. But that name is misleading in s_cb.c, so we also use
359  * the "generic" name STRINT_PAIR.
360  */
361 typedef struct string_int_pair_st {
362     const char *name;
363     int retval;
364 } OPT_PAIR, STRINT_PAIR;
365 
366 /* Flags to pass into opt_format; see FORMAT_xxx, below. */
367 # define OPT_FMT_PEMDER          (1L <<  1)
368 # define OPT_FMT_PKCS12          (1L <<  2)
369 # define OPT_FMT_SMIME           (1L <<  3)
370 # define OPT_FMT_ENGINE          (1L <<  4)
371 # define OPT_FMT_MSBLOB          (1L <<  5)
372 /* (1L <<  6) was OPT_FMT_NETSCAPE, but wasn't used */
373 # define OPT_FMT_NSS             (1L <<  7)
374 # define OPT_FMT_TEXT            (1L <<  8)
375 # define OPT_FMT_HTTP            (1L <<  9)
376 # define OPT_FMT_PVK             (1L << 10)
377 # define OPT_FMT_PDE     (OPT_FMT_PEMDER | OPT_FMT_ENGINE)
378 # define OPT_FMT_PDS     (OPT_FMT_PEMDER | OPT_FMT_SMIME)
379 # define OPT_FMT_ANY     ( \
380         OPT_FMT_PEMDER | OPT_FMT_PKCS12 | OPT_FMT_SMIME | \
381         OPT_FMT_ENGINE | OPT_FMT_MSBLOB | OPT_FMT_NSS   | \
382         OPT_FMT_TEXT   | OPT_FMT_HTTP   | OPT_FMT_PVK)
383 
384 char *opt_progname(const char *argv0);
385 char *opt_getprog(void);
386 char *opt_init(int ac, char **av, const OPTIONS * o);
387 int opt_next(void);
388 int opt_format(const char *s, unsigned long flags, int *result);
389 int opt_int(const char *arg, int *result);
390 int opt_ulong(const char *arg, unsigned long *result);
391 int opt_long(const char *arg, long *result);
392 #if defined(__STDC_VERSION__) && __STDC_VERSION__ >= 199901L && \
393     defined(INTMAX_MAX) && defined(UINTMAX_MAX)
394 int opt_imax(const char *arg, intmax_t *result);
395 int opt_umax(const char *arg, uintmax_t *result);
396 #else
397 # define opt_imax opt_long
398 # define opt_umax opt_ulong
399 # define intmax_t long
400 # define uintmax_t unsigned long
401 #endif
402 int opt_pair(const char *arg, const OPT_PAIR * pairs, int *result);
403 int opt_cipher(const char *name, const EVP_CIPHER **cipherp);
404 int opt_md(const char *name, const EVP_MD **mdp);
405 char *opt_arg(void);
406 char *opt_flag(void);
407 char *opt_unknown(void);
408 char **opt_rest(void);
409 int opt_num_rest(void);
410 int opt_verify(int i, X509_VERIFY_PARAM *vpm);
411 int opt_rand(int i);
412 void opt_help(const OPTIONS * list);
413 int opt_format_error(const char *s, unsigned long flags);
414 
415 typedef struct args_st {
416     int size;
417     int argc;
418     char **argv;
419 } ARGS;
420 
421 /*
422  * VMS C only for now, implemented in vms_decc_init.c
423  * If other C compilers forget to terminate argv with NULL, this function
424  * can be re-used.
425  */
426 char **copy_argv(int *argc, char *argv[]);
427 /*
428  * Win32-specific argv initialization that splits OS-supplied UNICODE
429  * command line string to array of UTF8-encoded strings.
430  */
431 void win32_utf8argv(int *argc, char **argv[]);
432 
433 
434 # define PW_MIN_LENGTH 4
435 typedef struct pw_cb_data {
436     const void *password;
437     const char *prompt_info;
438 } PW_CB_DATA;
439 
440 int password_callback(char *buf, int bufsiz, int verify, PW_CB_DATA *cb_data);
441 
442 int setup_ui_method(void);
443 void destroy_ui_method(void);
444 const UI_METHOD *get_ui_method(void);
445 
446 int chopup_args(ARGS *arg, char *buf);
447 int dump_cert_text(BIO *out, X509 *x);
448 void print_name(BIO *out, const char *title, X509_NAME *nm,
449                 unsigned long lflags);
450 void print_bignum_var(BIO *, const BIGNUM *, const char*,
451                       int, unsigned char *);
452 void print_array(BIO *, const char *, int, const unsigned char *);
453 int set_nameopt(const char *arg);
454 unsigned long get_nameopt(void);
455 int set_cert_ex(unsigned long *flags, const char *arg);
456 int set_name_ex(unsigned long *flags, const char *arg);
457 int set_ext_copy(int *copy_type, const char *arg);
458 int copy_extensions(X509 *x, X509_REQ *req, int copy_type);
459 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2);
460 int add_oid_section(CONF *conf);
461 X509 *load_cert(const char *file, int format, const char *cert_descrip);
462 X509_CRL *load_crl(const char *infile, int format);
463 EVP_PKEY *load_key(const char *file, int format, int maybe_stdin,
464                    const char *pass, ENGINE *e, const char *key_descrip);
465 EVP_PKEY *load_pubkey(const char *file, int format, int maybe_stdin,
466                       const char *pass, ENGINE *e, const char *key_descrip);
467 int load_certs(const char *file, STACK_OF(X509) **certs, int format,
468                const char *pass, const char *cert_descrip);
469 int load_crls(const char *file, STACK_OF(X509_CRL) **crls, int format,
470               const char *pass, const char *cert_descrip);
471 X509_STORE *setup_verify(const char *CAfile, const char *CApath,
472                          int noCAfile, int noCApath);
473 __owur int ctx_set_verify_locations(SSL_CTX *ctx, const char *CAfile,
474                                     const char *CApath, int noCAfile,
475                                     int noCApath);
476 
477 #ifndef OPENSSL_NO_CT
478 
479 /*
480  * Sets the file to load the Certificate Transparency log list from.
481  * If path is NULL, loads from the default file path.
482  * Returns 1 on success, 0 otherwise.
483  */
484 __owur int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
485 
486 #endif
487 
488 ENGINE *setup_engine(const char *engine, int debug);
489 void release_engine(ENGINE *e);
490 
491 # ifndef OPENSSL_NO_OCSP
492 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
493                                  const char *host, const char *path,
494                                  const char *port, int use_ssl,
495                                  STACK_OF(CONF_VALUE) *headers,
496                                  int req_timeout);
497 # endif
498 
499 /* Functions defined in ca.c and also used in ocsp.c */
500 int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,
501                    ASN1_GENERALIZEDTIME **pinvtm, const char *str);
502 
503 # define DB_type         0
504 # define DB_exp_date     1
505 # define DB_rev_date     2
506 # define DB_serial       3      /* index - unique */
507 # define DB_file         4
508 # define DB_name         5      /* index - unique when active and not
509                                  * disabled */
510 # define DB_NUMBER       6
511 
512 # define DB_TYPE_REV     'R'    /* Revoked  */
513 # define DB_TYPE_EXP     'E'    /* Expired  */
514 # define DB_TYPE_VAL     'V'    /* Valid ; inserted with: ca ... -valid */
515 # define DB_TYPE_SUSP    'S'    /* Suspended  */
516 
517 typedef struct db_attr_st {
518     int unique_subject;
519 } DB_ATTR;
520 typedef struct ca_db_st {
521     DB_ATTR attributes;
522     TXT_DB *db;
523     char *dbfname;
524 # ifndef OPENSSL_NO_POSIX_IO
525     struct stat dbst;
526 # endif
527 } CA_DB;
528 
529 void* app_malloc(int sz, const char *what);
530 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai);
531 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
532                 ASN1_INTEGER **retai);
533 int rotate_serial(const char *serialfile, const char *new_suffix,
534                   const char *old_suffix);
535 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai);
536 CA_DB *load_index(const char *dbfile, DB_ATTR *dbattr);
537 int index_index(CA_DB *db);
538 int save_index(const char *dbfile, const char *suffix, CA_DB *db);
539 int rotate_index(const char *dbfile, const char *new_suffix,
540                  const char *old_suffix);
541 void free_index(CA_DB *db);
542 # define index_name_cmp_noconst(a, b) \
543         index_name_cmp((const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, a), \
544         (const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, b))
545 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b);
546 int parse_yesno(const char *str, int def);
547 
548 X509_NAME *parse_name(const char *str, long chtype, int multirdn);
549 void policies_print(X509_STORE_CTX *ctx);
550 int bio_to_mem(unsigned char **out, int maxlen, BIO *in);
551 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value);
552 int init_gen_str(EVP_PKEY_CTX **pctx,
553                  const char *algname, ENGINE *e, int do_param);
554 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
555                  STACK_OF(OPENSSL_STRING) *sigopts);
556 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
557                      STACK_OF(OPENSSL_STRING) *sigopts);
558 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
559                      STACK_OF(OPENSSL_STRING) *sigopts);
560 
561 extern char *psk_key;
562 
563 
564 unsigned char *next_protos_parse(size_t *outlen, const char *in);
565 
566 void print_cert_checks(BIO *bio, X509 *x,
567                        const char *checkhost,
568                        const char *checkemail, const char *checkip);
569 
570 void store_setup_crl_download(X509_STORE *st);
571 
572 /* See OPT_FMT_xxx, above. */
573 /* On some platforms, it's important to distinguish between text and binary
574  * files.  On some, there might even be specific file formats for different
575  * contents.  The FORMAT_xxx macros are meant to express an intent with the
576  * file being read or created.
577  */
578 # define B_FORMAT_TEXT   0x8000
579 # define FORMAT_UNDEF    0
580 # define FORMAT_TEXT    (1 | B_FORMAT_TEXT)     /* Generic text */
581 # define FORMAT_BINARY   2                      /* Generic binary */
582 # define FORMAT_BASE64  (3 | B_FORMAT_TEXT)     /* Base64 */
583 # define FORMAT_ASN1     4                      /* ASN.1/DER */
584 # define FORMAT_PEM     (5 | B_FORMAT_TEXT)
585 # define FORMAT_PKCS12   6
586 # define FORMAT_SMIME   (7 | B_FORMAT_TEXT)
587 # define FORMAT_ENGINE   8                      /* Not really a file format */
588 # define FORMAT_PEMRSA  (9 | B_FORMAT_TEXT)     /* PEM RSAPubicKey format */
589 # define FORMAT_ASN1RSA  10                     /* DER RSAPubicKey format */
590 # define FORMAT_MSBLOB   11                     /* MS Key blob format */
591 # define FORMAT_PVK      12                     /* MS PVK file format */
592 # define FORMAT_HTTP     13                     /* Download using HTTP */
593 # define FORMAT_NSS      14                     /* NSS keylog format */
594 
595 # define EXT_COPY_NONE   0
596 # define EXT_COPY_ADD    1
597 # define EXT_COPY_ALL    2
598 
599 # define NETSCAPE_CERT_HDR       "certificate"
600 
601 # define APP_PASS_LEN    1024
602 
603 /*
604  * IETF RFC 5280 says serial number must be <= 20 bytes. Use 159 bits
605  * so that the first bit will never be one, so that the DER encoding
606  * rules won't force a leading octet.
607  */
608 # define SERIAL_RAND_BITS        159
609 
610 int app_isdir(const char *);
611 int app_access(const char *, int flag);
612 int fileno_stdin(void);
613 int fileno_stdout(void);
614 int raw_read_stdin(void *, int);
615 int raw_write_stdout(const void *, int);
616 
617 # define TM_START        0
618 # define TM_STOP         1
619 double app_tminterval(int stop, int usertime);
620 
621 void make_uppercase(char *string);
622 
623 typedef struct verify_options_st {
624     int depth;
625     int quiet;
626     int error;
627     int return_error;
628 } VERIFY_CB_ARGS;
629 
630 extern VERIFY_CB_ARGS verify_args;
631 
632 #endif
633