xref: /openssl/apps/include/apps.h (revision 23b795d3)
1 /*
2  * Copyright 1995-2024 The OpenSSL Project Authors. All Rights Reserved.
3  *
4  * Licensed under the Apache License 2.0 (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 "internal/common.h" /* for HAS_PREFIX */
14 # include "internal/nelem.h"
15 # include <assert.h>
16 
17 # include <stdarg.h>
18 # include <sys/types.h>
19 # ifndef OPENSSL_NO_POSIX_IO
20 #  include <sys/stat.h>
21 #  include <fcntl.h>
22 # endif
23 
24 # include <openssl/e_os2.h>
25 # include <openssl/types.h>
26 # include <openssl/bio.h>
27 # include <openssl/x509.h>
28 # include <openssl/conf.h>
29 # include <openssl/txt_db.h>
30 # include <openssl/engine.h>
31 # include <openssl/ocsp.h>
32 # include <openssl/http.h>
33 # include <signal.h>
34 # include "apps_ui.h"
35 # include "opt.h"
36 # include "fmt.h"
37 # include "platform.h"
38 # include "engine_loader.h"
39 # include "app_libctx.h"
40 
41 /*
42  * quick macro when you need to pass an unsigned char instead of a char.
43  * this is true for some implementations of the is*() functions, for
44  * example.
45  */
46 # define _UC(c) ((unsigned char)(c))
47 
48 void app_RAND_load_conf(CONF *c, const char *section);
49 int app_RAND_write(void);
50 int app_RAND_load(void);
51 
52 extern char *default_config_file; /* may be "" */
53 extern BIO *bio_in;
54 extern BIO *bio_out;
55 extern BIO *bio_err;
56 extern const unsigned char tls13_aes128gcmsha256_id[];
57 extern const unsigned char tls13_aes256gcmsha384_id[];
58 extern BIO_ADDR *ourpeer;
59 
60 BIO *dup_bio_in(int format);
61 BIO *dup_bio_out(int format);
62 BIO *dup_bio_err(int format);
63 BIO *bio_open_owner(const char *filename, int format, int private);
64 BIO *bio_open_default(const char *filename, char mode, int format);
65 BIO *bio_open_default_quiet(const char *filename, char mode, int format);
66 char *app_conf_try_string(const CONF *cnf, const char *group, const char *name);
67 int app_conf_try_number(const CONF *conf, const char *group, const char *name,
68                         long *result);
69 CONF *app_load_config_bio(BIO *in, const char *filename);
70 # define app_load_config(filename) app_load_config_internal(filename, 0)
71 # define app_load_config_quiet(filename) app_load_config_internal(filename, 1)
72 CONF *app_load_config_internal(const char *filename, int quiet);
73 CONF *app_load_config_verbose(const char *filename, int verbose);
74 int app_load_modules(const CONF *config);
75 CONF *app_load_config_modules(const char *configfile);
76 void unbuffer(FILE *fp);
77 void wait_for_async(SSL *s);
78 # if defined(OPENSSL_SYS_MSDOS)
79 int has_stdin_waiting(void);
80 # endif
81 
82 void corrupt_signature(const ASN1_STRING *signature);
83 
84 /* Helpers for setting X509v3 certificate fields notBefore and notAfter */
85 int check_cert_time_string(const char *time, const char *desc);
86 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
87                    int days, int strict_compare_times);
88 
89 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate);
90 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
91                        long days, long hours, long secs);
92 
93 typedef struct args_st {
94     int size;
95     int argc;
96     char **argv;
97 } ARGS;
98 
99 /* We need both wrap and the "real" function because libcrypto uses both. */
100 int wrap_password_callback(char *buf, int bufsiz, int verify, void *cb_data);
101 
102 /* progress callback for dsaparam, dhparam, req, genpkey, etc. */
103 int progress_cb(EVP_PKEY_CTX *ctx);
104 
105 int chopup_args(ARGS *arg, char *buf);
106 void dump_cert_text(BIO *out, X509 *x);
107 void print_name(BIO *out, const char *title, const X509_NAME *nm);
108 void print_bignum_var(BIO *, const BIGNUM *, const char *,
109                       int, unsigned char *);
110 void print_array(BIO *, const char *, int, const unsigned char *);
111 int set_nameopt(const char *arg);
112 unsigned long get_nameopt(void);
113 int set_dateopt(unsigned long *dateopt, const char *arg);
114 int set_cert_ex(unsigned long *flags, const char *arg);
115 int set_name_ex(unsigned long *flags, const char *arg);
116 int set_ext_copy(int *copy_type, const char *arg);
117 int copy_extensions(X509 *x, X509_REQ *req, int copy_type);
118 char *get_passwd(const char *pass, const char *desc);
119 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2);
120 int add_oid_section(CONF *conf);
121 X509_REQ *load_csr(const char *file, int format, const char *desc);
122 X509_REQ *load_csr_autofmt(const char *infile, int format,
123                            STACK_OF(OPENSSL_STRING) *vfyopts, const char *desc);
124 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
125                      const char *pass, const char *desc);
126 # define load_cert(uri, format, desc) load_cert_pass(uri, format, 1, NULL, desc)
127 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
128                    const char *desc);
129 void cleanse(char *str);
130 void clear_free(char *str);
131 EVP_PKEY *load_key(const char *uri, int format, int maybe_stdin,
132                    const char *pass, ENGINE *e, const char *desc);
133 /* first try reading public key, on failure resort to loading private key */
134 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
135                       const char *pass, ENGINE *e, const char *desc);
136 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
137                          const char *keytype, const char *desc);
138 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
139                                   const char *keytype, const char *desc,
140                                   int suppress_decode_errors);
141 char *next_item(char *opt); /* in list separated by comma and/or space */
142 int load_cert_certs(const char *uri,
143                     X509 **pcert, STACK_OF(X509) **pcerts,
144                     int exclude_http, const char *pass, const char *desc,
145                     X509_VERIFY_PARAM *vpm);
146 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
147                                      const char *desc, X509_VERIFY_PARAM *vpm);
148 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
149                            X509_VERIFY_PARAM *vpm);
150 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
151                const char *pass, const char *desc);
152 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
153               const char *pass, const char *desc);
154 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
155                         const char *pass, const char *desc, int quiet,
156                         EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
157                         EVP_PKEY **pparams,
158                         X509 **pcert, STACK_OF(X509) **pcerts,
159                         X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls);
160 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
161                          const char *CApath, int noCApath,
162                          const char *CAstore, int noCAstore);
163 __owur int ctx_set_verify_locations(SSL_CTX *ctx,
164                                     const char *CAfile, int noCAfile,
165                                     const char *CApath, int noCApath,
166                                     const char *CAstore, int noCAstore);
167 
168 # ifndef OPENSSL_NO_CT
169 
170 /*
171  * Sets the file to load the Certificate Transparency log list from.
172  * If path is NULL, loads from the default file path.
173  * Returns 1 on success, 0 otherwise.
174  */
175 __owur int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
176 
177 # endif
178 
179 ENGINE *setup_engine_methods(const char *id, unsigned int methods, int debug);
180 # define setup_engine(e, debug) setup_engine_methods(e, (unsigned int)-1, debug)
181 void release_engine(ENGINE *e);
182 int init_engine(ENGINE *e);
183 int finish_engine(ENGINE *e);
184 char *make_engine_uri(ENGINE *e, const char *key_id, const char *desc);
185 
186 int get_legacy_pkey_id(OSSL_LIB_CTX *libctx, const char *algname, ENGINE *e);
187 const EVP_MD *get_digest_from_engine(const char *name);
188 const EVP_CIPHER *get_cipher_from_engine(const char *name);
189 
190 # ifndef OPENSSL_NO_OCSP
191 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
192                                  const char *port, const char *path,
193                                  const char *proxy, const char *no_proxy,
194                                  int use_ssl, STACK_OF(CONF_VALUE) *headers,
195                                  int req_timeout);
196 # endif
197 
198 /* Functions defined in ca.c and also used in ocsp.c */
199 int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,
200                    ASN1_GENERALIZEDTIME **pinvtm, const char *str);
201 
202 # define DB_type         0
203 # define DB_exp_date     1
204 # define DB_rev_date     2
205 # define DB_serial       3 /* index - unique */
206 # define DB_file         4
207 # define DB_name         5 /* index - unique when active and not disabled */
208 # define DB_NUMBER       6
209 
210 # define DB_TYPE_REV     'R'    /* Revoked  */
211 # define DB_TYPE_EXP     'E'    /* Expired  */
212 # define DB_TYPE_VAL     'V'    /* Valid ; inserted with: ca ... -valid */
213 # define DB_TYPE_SUSP    'S'    /* Suspended  */
214 
215 typedef struct db_attr_st {
216     int unique_subject;
217 } DB_ATTR;
218 typedef struct ca_db_st {
219     DB_ATTR attributes;
220     TXT_DB *db;
221     char *dbfname;
222 # ifndef OPENSSL_NO_POSIX_IO
223     struct stat dbst;
224 # endif
225 } CA_DB;
226 
227 extern int do_updatedb(CA_DB *db, time_t *now);
228 
229 void app_bail_out(char *fmt, ...);
230 void *app_malloc(size_t sz, const char *what);
231 
232 /* load_serial, save_serial, and rotate_serial are also used for CRL numbers */
233 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
234                     ASN1_INTEGER **retai);
235 int save_serial(const char *serialfile, const char *suffix,
236                 const BIGNUM *serial, ASN1_INTEGER **retai);
237 int rotate_serial(const char *serialfile, const char *new_suffix,
238                   const char *old_suffix);
239 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai);
240 
241 CA_DB *load_index(const char *dbfile, DB_ATTR *dbattr);
242 int index_index(CA_DB *db);
243 int save_index(const char *dbfile, const char *suffix, CA_DB *db);
244 int rotate_index(const char *dbfile, const char *new_suffix,
245                  const char *old_suffix);
246 void free_index(CA_DB *db);
247 # define index_name_cmp_noconst(a, b) \
248     index_name_cmp((const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, a), \
249                    (const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, b))
250 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b);
251 int parse_yesno(const char *str, int def);
252 
253 X509_NAME *parse_name(const char *str, int chtype, int multirdn,
254                       const char *desc);
255 void policies_print(X509_STORE_CTX *ctx);
256 int bio_to_mem(unsigned char **out, int maxlen, BIO *in);
257 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value);
258 int x509_ctrl_string(X509 *x, const char *value);
259 int x509_req_ctrl_string(X509_REQ *x, const char *value);
260 int init_gen_str(EVP_PKEY_CTX **pctx,
261                  const char *algname, ENGINE *e, int do_param,
262                  OSSL_LIB_CTX *libctx, const char *propq);
263 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey);
264 int do_X509_sign(X509 *x, int force_v1, EVP_PKEY *pkey, const char *md,
265                  STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx);
266 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts);
267 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
268                      STACK_OF(OPENSSL_STRING) *sigopts);
269 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
270                        STACK_OF(OPENSSL_STRING) *vfyopts);
271 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
272                      STACK_OF(OPENSSL_STRING) *sigopts);
273 
274 extern char *psk_key;
275 
276 unsigned char *next_protos_parse(size_t *outlen, const char *in);
277 
278 int check_cert_attributes(BIO *bio, X509 *x,
279                           const char *checkhost, const char *checkemail,
280                           const char *checkip, int print);
281 
282 void store_setup_crl_download(X509_STORE *st);
283 
284 typedef struct app_http_tls_info_st {
285     const char *server;
286     const char *port;
287     int use_proxy;
288     long timeout;
289     SSL_CTX *ssl_ctx;
290 } APP_HTTP_TLS_INFO;
291 BIO *app_http_tls_cb(BIO *hbio, /* APP_HTTP_TLS_INFO */ void *arg,
292                      int connect, int detail);
293 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info);
294 # ifndef OPENSSL_NO_SOCK
295 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
296                               const char *no_proxy, SSL_CTX *ssl_ctx,
297                               const STACK_OF(CONF_VALUE) *headers,
298                               long timeout, const char *expected_content_type,
299                               const ASN1_ITEM *it);
300 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
301                                const char *path, const char *proxy,
302                                const char *no_proxy, SSL_CTX *ctx,
303                                const STACK_OF(CONF_VALUE) *headers,
304                                const char *content_type,
305                                ASN1_VALUE *req, const ASN1_ITEM *req_it,
306                                const char *expected_content_type,
307                                long timeout, const ASN1_ITEM *rsp_it);
308 # endif
309 
310 # define EXT_COPY_NONE   0
311 # define EXT_COPY_ADD    1
312 # define EXT_COPY_ALL    2
313 
314 # define NETSCAPE_CERT_HDR "certificate"
315 
316 # define APP_PASS_LEN 1024
317 
318 /*
319  * IETF RFC 5280 says serial number must be <= 20 bytes. Use 159 bits
320  * so that the first bit will never be one, so that the DER encoding
321  * rules won't force a leading octet.
322  */
323 # define SERIAL_RAND_BITS 159
324 
325 int app_isdir(const char *);
326 int app_access(const char *, int flag);
327 int fileno_stdin(void);
328 int fileno_stdout(void);
329 int raw_read_stdin(void *, int);
330 int raw_write_stdout(const void *, int);
331 
332 # define TM_START        0
333 # define TM_STOP         1
334 double app_tminterval(int stop, int usertime);
335 
336 void make_uppercase(char *string);
337 
338 typedef struct verify_options_st {
339     int depth;
340     int quiet;
341     int error;
342     int return_error;
343 } VERIFY_CB_ARGS;
344 
345 extern VERIFY_CB_ARGS verify_args;
346 
347 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
348                                      const OSSL_PARAM *paramdefs);
349 void app_params_free(OSSL_PARAM *params);
350 int app_provider_load(OSSL_LIB_CTX *libctx, const char *provider_name);
351 void app_providers_cleanup(void);
352 
353 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose);
354 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg);
355 
356 #endif
357