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