xref: /openssl/apps/include/apps.h (revision ec8a3409)
1 /*
2  * Copyright 1995-2022 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/e_os.h" /* struct timeval for DTLS */
14 # include "internal/common.h" /* for HAS_PREFIX */
15 # include "internal/nelem.h"
16 # include "internal/sockets.h" /* for openssl_fdset() */
17 # include <assert.h>
18 
19 # include <stdarg.h>
20 # include <sys/types.h>
21 # ifndef OPENSSL_NO_POSIX_IO
22 #  include <sys/stat.h>
23 #  include <fcntl.h>
24 # endif
25 
26 # include <openssl/e_os2.h>
27 # include <openssl/types.h>
28 # include <openssl/bio.h>
29 # include <openssl/x509.h>
30 # include <openssl/conf.h>
31 # include <openssl/txt_db.h>
32 # include <openssl/engine.h>
33 # include <openssl/ocsp.h>
34 # include <openssl/http.h>
35 # include <signal.h>
36 # include "apps_ui.h"
37 # include "opt.h"
38 # include "fmt.h"
39 # include "platform.h"
40 # include "engine_loader.h"
41 # include "app_libctx.h"
42 
43 /*
44  * quick macro when you need to pass an unsigned char instead of a char.
45  * this is true for some implementations of the is*() functions, for
46  * example.
47  */
48 # define _UC(c) ((unsigned char)(c))
49 
50 void app_RAND_load_conf(CONF *c, const char *section);
51 int app_RAND_write(void);
52 int app_RAND_load(void);
53 
54 extern char *default_config_file; /* may be "" */
55 extern BIO *bio_in;
56 extern BIO *bio_out;
57 extern BIO *bio_err;
58 extern const unsigned char tls13_aes128gcmsha256_id[];
59 extern const unsigned char tls13_aes256gcmsha384_id[];
60 extern BIO_ADDR *ourpeer;
61 
62 BIO *dup_bio_in(int format);
63 BIO *dup_bio_out(int format);
64 BIO *dup_bio_err(int format);
65 BIO *bio_open_owner(const char *filename, int format, int private);
66 BIO *bio_open_default(const char *filename, char mode, int format);
67 BIO *bio_open_default_quiet(const char *filename, char mode, int format);
68 CONF *app_load_config_bio(BIO *in, const char *filename);
69 #define app_load_config(filename) app_load_config_internal(filename, 0)
70 #define app_load_config_quiet(filename) app_load_config_internal(filename, 1)
71 CONF *app_load_config_internal(const char *filename, int quiet);
72 CONF *app_load_config_verbose(const char *filename, int verbose);
73 int app_load_modules(const CONF *config);
74 CONF *app_load_config_modules(const char *configfile);
75 void unbuffer(FILE *fp);
76 void wait_for_async(SSL *s);
77 # if defined(OPENSSL_SYS_MSDOS)
78 int has_stdin_waiting(void);
79 # endif
80 
81 void corrupt_signature(const ASN1_STRING *signature);
82 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
83                    int days);
84 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate);
85 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
86                        long days, long hours, long secs);
87 
88 typedef struct args_st {
89     int size;
90     int argc;
91     char **argv;
92 } ARGS;
93 
94 /* We need both wrap and the "real" function because libcrypto uses both. */
95 int wrap_password_callback(char *buf, int bufsiz, int verify, void *cb_data);
96 
97 /* progress callback for dsaparam, dhparam, req, genpkey, etc. */
98 int progress_cb(EVP_PKEY_CTX *ctx);
99 
100 int chopup_args(ARGS *arg, char *buf);
101 void dump_cert_text(BIO *out, X509 *x);
102 void print_name(BIO *out, const char *title, const X509_NAME *nm);
103 void print_bignum_var(BIO *, const BIGNUM *, const char*,
104                       int, unsigned char *);
105 void print_array(BIO *, const char *, int, const unsigned char *);
106 int set_nameopt(const char *arg);
107 unsigned long get_nameopt(void);
108 int set_dateopt(unsigned long *dateopt, const char *arg);
109 int set_cert_ex(unsigned long *flags, const char *arg);
110 int set_name_ex(unsigned long *flags, const char *arg);
111 int set_ext_copy(int *copy_type, const char *arg);
112 int copy_extensions(X509 *x, X509_REQ *req, int copy_type);
113 char *get_passwd(const char *pass, const char *desc);
114 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2);
115 int add_oid_section(CONF *conf);
116 X509_REQ *load_csr(const char *file, int format, const char *desc);
117 X509 *load_cert_pass(const char *uri, int format, int maybe_stdin,
118                      const char *pass, const char *desc);
119 #define load_cert(uri, format, desc) load_cert_pass(uri, format, 1, NULL, desc)
120 X509_CRL *load_crl(const char *uri, int format, int maybe_stdin,
121                    const char *desc);
122 void cleanse(char *str);
123 void clear_free(char *str);
124 EVP_PKEY *load_key(const char *uri, int format, int maybe_stdin,
125                    const char *pass, ENGINE *e, const char *desc);
126 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
127                       const char *pass, ENGINE *e, const char *desc);
128 EVP_PKEY *load_keyparams(const char *uri, int format, int maybe_stdin,
129                          const char *keytype, const char *desc);
130 EVP_PKEY *load_keyparams_suppress(const char *uri, int format, int maybe_stdin,
131                                   const char *keytype, const char *desc,
132                                   int suppress_decode_errors);
133 char *next_item(char *opt); /* in list separated by comma and/or space */
134 int load_cert_certs(const char *uri,
135                     X509 **pcert, STACK_OF(X509) **pcerts,
136                     int exclude_http, const char *pass, const char *desc,
137                     X509_VERIFY_PARAM *vpm);
138 STACK_OF(X509) *load_certs_multifile(char *files, const char *pass,
139                                      const char *desc, X509_VERIFY_PARAM *vpm);
140 X509_STORE *load_certstore(char *input, const char *pass, const char *desc,
141                            X509_VERIFY_PARAM *vpm);
142 int load_certs(const char *uri, int maybe_stdin, STACK_OF(X509) **certs,
143                const char *pass, const char *desc);
144 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
145               const char *pass, const char *desc);
146 int load_key_certs_crls(const char *uri, int format, int maybe_stdin,
147                         const char *pass, const char *desc,
148                         EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
149                         EVP_PKEY **pparams,
150                         X509 **pcert, STACK_OF(X509) **pcerts,
151                         X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls);
152 int load_key_cert_crl(const char *uri, int format, int maybe_stdin,
153                       const char *pass, const char *desc,
154                       EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
155                       X509 **pcert, X509_CRL **pcrl);
156 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
157                          const char *CApath, int noCApath,
158                          const char *CAstore, int noCAstore);
159 __owur int ctx_set_verify_locations(SSL_CTX *ctx,
160                                     const char *CAfile, int noCAfile,
161                                     const char *CApath, int noCApath,
162                                     const char *CAstore, int noCAstore);
163 
164 # ifndef OPENSSL_NO_CT
165 
166 /*
167  * Sets the file to load the Certificate Transparency log list from.
168  * If path is NULL, loads from the default file path.
169  * Returns 1 on success, 0 otherwise.
170  */
171 __owur int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
172 
173 # endif
174 
175 ENGINE *setup_engine_methods(const char *id, unsigned int methods, int debug);
176 # define setup_engine(e, debug) setup_engine_methods(e, (unsigned int)-1, debug)
177 void release_engine(ENGINE *e);
178 int init_engine(ENGINE *e);
179 int finish_engine(ENGINE *e);
180 char *make_engine_uri(ENGINE *e, const char *key_id, const char *desc);
181 
182 int get_legacy_pkey_id(OSSL_LIB_CTX *libctx, const char *algname, ENGINE *e);
183 const EVP_MD *get_digest_from_engine(const char *name);
184 const EVP_CIPHER *get_cipher_from_engine(const char *name);
185 
186 # ifndef OPENSSL_NO_OCSP
187 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req, const char *host,
188                                  const char *port, const char *path,
189                                  const char *proxy, const char *no_proxy,
190                                  int use_ssl, STACK_OF(CONF_VALUE) *headers,
191                                  int req_timeout);
192 # endif
193 
194 /* Functions defined in ca.c and also used in ocsp.c */
195 int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,
196                    ASN1_GENERALIZEDTIME **pinvtm, const char *str);
197 
198 # define DB_type         0
199 # define DB_exp_date     1
200 # define DB_rev_date     2
201 # define DB_serial       3      /* index - unique */
202 # define DB_file         4
203 # define DB_name         5      /* index - unique when active and not
204                                  * disabled */
205 # define DB_NUMBER       6
206 
207 # define DB_TYPE_REV     'R'    /* Revoked  */
208 # define DB_TYPE_EXP     'E'    /* Expired  */
209 # define DB_TYPE_VAL     'V'    /* Valid ; inserted with: ca ... -valid */
210 # define DB_TYPE_SUSP    'S'    /* Suspended  */
211 
212 typedef struct db_attr_st {
213     int unique_subject;
214 } DB_ATTR;
215 typedef struct ca_db_st {
216     DB_ATTR attributes;
217     TXT_DB *db;
218     char *dbfname;
219 # ifndef OPENSSL_NO_POSIX_IO
220     struct stat dbst;
221 # endif
222 } CA_DB;
223 
224 extern int do_updatedb(CA_DB *db, time_t *now);
225 
226 void app_bail_out(char *fmt, ...);
227 void *app_malloc(size_t sz, const char *what);
228 
229 /* load_serial, save_serial, and rotate_serial are also used for CRL numbers */
230 BIGNUM *load_serial(const char *serialfile, int *exists, int create,
231                     ASN1_INTEGER **retai);
232 int save_serial(const char *serialfile, const char *suffix,
233                 const BIGNUM *serial, ASN1_INTEGER **retai);
234 int rotate_serial(const char *serialfile, const char *new_suffix,
235                   const char *old_suffix);
236 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai);
237 
238 CA_DB *load_index(const char *dbfile, DB_ATTR *dbattr);
239 int index_index(CA_DB *db);
240 int save_index(const char *dbfile, const char *suffix, CA_DB *db);
241 int rotate_index(const char *dbfile, const char *new_suffix,
242                  const char *old_suffix);
243 void free_index(CA_DB *db);
244 # define index_name_cmp_noconst(a, b) \
245         index_name_cmp((const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, a), \
246         (const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, b))
247 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b);
248 int parse_yesno(const char *str, int def);
249 
250 X509_NAME *parse_name(const char *str, int chtype, int multirdn,
251                       const char *desc);
252 void policies_print(X509_STORE_CTX *ctx);
253 int bio_to_mem(unsigned char **out, int maxlen, BIO *in);
254 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value);
255 int x509_ctrl_string(X509 *x, const char *value);
256 int x509_req_ctrl_string(X509_REQ *x, const char *value);
257 int init_gen_str(EVP_PKEY_CTX **pctx,
258                  const char *algname, ENGINE *e, int do_param,
259                  OSSL_LIB_CTX *libctx, const char *propq);
260 int cert_matches_key(const X509 *cert, const EVP_PKEY *pkey);
261 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const char *md,
262                  STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx);
263 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts);
264 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const char *md,
265                      STACK_OF(OPENSSL_STRING) *sigopts);
266 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
267                        STACK_OF(OPENSSL_STRING) *vfyopts);
268 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const char *md,
269                      STACK_OF(OPENSSL_STRING) *sigopts);
270 
271 extern char *psk_key;
272 
273 
274 unsigned char *next_protos_parse(size_t *outlen, const char *in);
275 
276 int check_cert_attributes(BIO *bio, X509 *x,
277                        const char *checkhost,
278                        const char *checkemail, const char *checkip, int print);
279 
280 void store_setup_crl_download(X509_STORE *st);
281 
282 typedef struct app_http_tls_info_st {
283     const char *server;
284     const char *port;
285     int use_proxy;
286     long timeout;
287     SSL_CTX *ssl_ctx;
288 } APP_HTTP_TLS_INFO;
289 BIO *app_http_tls_cb(BIO *hbio, /* APP_HTTP_TLS_INFO */ void *arg,
290                      int connect, int detail);
291 void APP_HTTP_TLS_INFO_free(APP_HTTP_TLS_INFO *info);
292 # ifndef OPENSSL_NO_SOCK
293 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
294                               const char *no_proxy, SSL_CTX *ssl_ctx,
295                               const STACK_OF(CONF_VALUE) *headers,
296                               long timeout, const char *expected_content_type,
297                               const ASN1_ITEM *it);
298 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
299                                const char *path, const char *proxy,
300                                const char *no_proxy, SSL_CTX *ctx,
301                                const STACK_OF(CONF_VALUE) *headers,
302                                const char *content_type,
303                                ASN1_VALUE *req, const ASN1_ITEM *req_it,
304                                const char *expected_content_type,
305                                long timeout, const ASN1_ITEM *rsp_it);
306 # endif
307 
308 # define EXT_COPY_NONE   0
309 # define EXT_COPY_ADD    1
310 # define EXT_COPY_ALL    2
311 
312 # define NETSCAPE_CERT_HDR       "certificate"
313 
314 # define APP_PASS_LEN    1024
315 
316 /*
317  * IETF RFC 5280 says serial number must be <= 20 bytes. Use 159 bits
318  * so that the first bit will never be one, so that the DER encoding
319  * rules won't force a leading octet.
320  */
321 # define SERIAL_RAND_BITS        159
322 
323 int app_isdir(const char *);
324 int app_access(const char *, int flag);
325 int fileno_stdin(void);
326 int fileno_stdout(void);
327 int raw_read_stdin(void *, int);
328 int raw_write_stdout(const void *, int);
329 
330 # define TM_START        0
331 # define TM_STOP         1
332 double app_tminterval(int stop, int usertime);
333 
334 void make_uppercase(char *string);
335 
336 typedef struct verify_options_st {
337     int depth;
338     int quiet;
339     int error;
340     int return_error;
341 } VERIFY_CB_ARGS;
342 
343 extern VERIFY_CB_ARGS verify_args;
344 
345 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
346                                      const OSSL_PARAM *paramdefs);
347 void app_params_free(OSSL_PARAM *params);
348 int app_provider_load(OSSL_LIB_CTX *libctx, const char *provider_name);
349 void app_providers_cleanup(void);
350 
351 EVP_PKEY *app_keygen(EVP_PKEY_CTX *ctx, const char *alg, int bits, int verbose);
352 EVP_PKEY *app_paramgen(EVP_PKEY_CTX *ctx, const char *alg);
353 
354 #endif
355