apps/include/apps.h

   1 /*
   2  * Copyright 1995-2021 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 <assert.h>
  17
  18 # include <stdarg.h>
  19 # include <sys/types.h>
  20 # ifndef OPENSSL_NO_POSIX_IO
  21 #  include <sys/stat.h>
  22 #  include <fcntl.h>
  23 # endif
  24
  25 # include <openssl/e_os2.h>
  26 # include <openssl/types.h>
  27 # include <openssl/bio.h>
  28 # include <openssl/x509.h>
  29 # include <openssl/conf.h>
  30 # include <openssl/txt_db.h>
  31 # include <openssl/engine.h>
  32 # include <openssl/ocsp.h>
  33 # include <openssl/http.h>
  34 # include <signal.h>
  35 # include "apps_ui.h"
  36 # include "opt.h"
  37 # include "fmt.h"
  38 # include "platform.h"
  39 # include "engine_loader.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 void app_RAND_write(void);
  50
  51 extern char *default_config_file; /* may be "" */
  52 extern BIO *bio_in;
  53 extern BIO *bio_out;
  54 extern BIO *bio_err;
  55 extern const unsigned char tls13_aes128gcmsha256_id[];
  56 extern const unsigned char tls13_aes256gcmsha384_id[];
  57 extern BIO_ADDR *ourpeer;
  58
  59 BIO *dup_bio_in(int format);
  60 BIO *dup_bio_out(int format);
  61 BIO *dup_bio_err(int format);
  62 BIO *bio_open_owner(const char *filename, int format, int private);
  63 BIO *bio_open_default(const char *filename, char mode, int format);
  64 BIO *bio_open_default_quiet(const char *filename, char mode, int format);
  65 CONF *app_load_config_bio(BIO *in, const char *filename);
  66 #define app_load_config(filename) app_load_config_internal(filename, 0)
  67 #define app_load_config_quiet(filename) app_load_config_internal(filename, 1)
  68 CONF *app_load_config_internal(const char *filename, int quiet);
  69 CONF *app_load_config_verbose(const char *filename, int verbose);
  70 int app_load_modules(const CONF *config);
  71 CONF *app_load_config_modules(const char *configfile);
  72 void unbuffer(FILE *fp);
  73 void wait_for_async(SSL *s);
  74 # if defined(OPENSSL_SYS_MSDOS)
  75 int has_stdin_waiting(void);
  76 # endif
  77
  78 void corrupt_signature(const ASN1_STRING *signature);
  79 int set_cert_times(X509 *x, const char *startdate, const char *enddate,
  80                    int days);
  81 int set_crl_lastupdate(X509_CRL *crl, const char *lastupdate);
  82 int set_crl_nextupdate(X509_CRL *crl, const char *nextupdate,
  83                        long days, long hours, long secs);
  84
  85 typedef struct args_st {
  86     int size;
  87     int argc;
  88     char **argv;
  89 } ARGS;
  90
  91 /* We need both wrap and the "real" function because libcrypto uses both. */
  92 int wrap_password_callback(char *buf, int bufsiz, int verify, void *cb_data);
  93
  94 int chopup_args(ARGS *arg, char *buf);
  95 int dump_cert_text(BIO *out, X509 *x);
  96 void print_name(BIO *out, const char *title, const X509_NAME *nm,
  97                 unsigned long lflags);
  98 void print_bignum_var(BIO *, const BIGNUM *, const char*,
  99                       int, unsigned char *);
 100 void print_array(BIO *, const char *, int, const unsigned char *);
 101 int set_nameopt(const char *arg);
 102 unsigned long get_nameopt(void);
 103 int set_cert_ex(unsigned long *flags, const char *arg);
 104 int set_name_ex(unsigned long *flags, const char *arg);
 105 int set_ext_copy(int *copy_type, const char *arg);
 106 int copy_extensions(X509 *x, X509_REQ *req, int copy_type);
 107 char *get_passwd(const char *pass, const char *desc);
 108 int app_passwd(const char *arg1, const char *arg2, char **pass1, char **pass2);
 109 int add_oid_section(CONF *conf);
 110 X509_REQ *load_csr(const char *file, int format, const char *desc);
 111 X509 *load_cert_pass(const char *uri, int maybe_stdin,
 112                      const char *pass, const char *desc);
 113 #define load_cert(uri, desc) load_cert_pass(uri, 1, NULL, desc)
 114 X509_CRL *load_crl(const char *uri, const char *desc);
 115 void cleanse(char *str);
 116 void clear_free(char *str);
 117 EVP_PKEY *load_key(const char *uri, int format, int maybe_stdin,
 118                    const char *pass, ENGINE *e, const char *desc);
 119 EVP_PKEY *load_pubkey(const char *uri, int format, int maybe_stdin,
 120                       const char *pass, ENGINE *e, const char *desc);
 121 EVP_PKEY *load_keyparams(const char *uri, int maybe_stdin, const char *keytype,
 122                          const char *desc);
 123 int load_certs(const char *uri, STACK_OF(X509) **certs,
 124                const char *pass, const char *desc);
 125 int load_crls(const char *uri, STACK_OF(X509_CRL) **crls,
 126               const char *pass, const char *desc);
 127 int load_key_certs_crls(const char *uri, int maybe_stdin,
 128                         const char *pass, const char *desc,
 129                         EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
 130                         EVP_PKEY **pparams,
 131                         X509 **pcert, STACK_OF(X509) **pcerts,
 132                         X509_CRL **pcrl, STACK_OF(X509_CRL) **pcrls);
 133 int load_key_cert_crl(const char *uri, int maybe_stdin,
 134                       const char *pass, const char *desc,
 135                       EVP_PKEY **ppkey, EVP_PKEY **ppubkey,
 136                       X509 **pcert, X509_CRL **pcrl);
 137 X509_STORE *setup_verify(const char *CAfile, int noCAfile,
 138                          const char *CApath, int noCApath,
 139                          const char *CAstore, int noCAstore);
 140 __owur int ctx_set_verify_locations(SSL_CTX *ctx,
 141                                     const char *CAfile, int noCAfile,
 142                                     const char *CApath, int noCApath,
 143                                     const char *CAstore, int noCAstore);
 144
 145 # ifndef OPENSSL_NO_CT
 146
 147 /*
 148  * Sets the file to load the Certificate Transparency log list from.
 149  * If path is NULL, loads from the default file path.
 150  * Returns 1 on success, 0 otherwise.
 151  */
 152 __owur int ctx_set_ctlog_list_file(SSL_CTX *ctx, const char *path);
 153
 154 # endif
 155
 156 ENGINE *setup_engine_methods(const char *id, unsigned int methods, int debug);
 157 # define setup_engine(e, debug) setup_engine_methods(e, (unsigned int)-1, debug)
 158 void release_engine(ENGINE *e);
 159 int init_engine(ENGINE *e);
 160 int finish_engine(ENGINE *e);
 161 char *make_engine_uri(ENGINE *e, const char *key_id, const char *desc);
 162
 163 int get_legacy_pkey_id(OSSL_LIB_CTX *libctx, const char *algname, ENGINE *e);
 164 const EVP_MD *get_digest_from_engine(const char *name);
 165 const EVP_CIPHER *get_cipher_from_engine(const char *name);
 166
 167 # ifndef OPENSSL_NO_OCSP
 168 OCSP_RESPONSE *process_responder(OCSP_REQUEST *req,
 169                                  const char *host, const char *path,
 170                                  const char *port, int use_ssl,
 171                                  STACK_OF(CONF_VALUE) *headers,
 172                                  int req_timeout);
 173 # endif
 174
 175 /* Functions defined in ca.c and also used in ocsp.c */
 176 int unpack_revinfo(ASN1_TIME **prevtm, int *preason, ASN1_OBJECT **phold,
 177                    ASN1_GENERALIZEDTIME **pinvtm, const char *str);
 178
 179 # define DB_type         0
 180 # define DB_exp_date     1
 181 # define DB_rev_date     2
 182 # define DB_serial       3      /* index - unique */
 183 # define DB_file         4
 184 # define DB_name         5      /* index - unique when active and not
 185                                  * disabled */
 186 # define DB_NUMBER       6
 187
 188 # define DB_TYPE_REV     'R'    /* Revoked  */
 189 # define DB_TYPE_EXP     'E'    /* Expired  */
 190 # define DB_TYPE_VAL     'V'    /* Valid ; inserted with: ca ... -valid */
 191 # define DB_TYPE_SUSP    'S'    /* Suspended  */
 192
 193 typedef struct db_attr_st {
 194     int unique_subject;
 195 } DB_ATTR;
 196 typedef struct ca_db_st {
 197     DB_ATTR attributes;
 198     TXT_DB *db;
 199     char *dbfname;
 200 # ifndef OPENSSL_NO_POSIX_IO
 201     struct stat dbst;
 202 # endif
 203 } CA_DB;
 204
 205 void app_bail_out(char *fmt, ...);
 206 void* app_malloc(int sz, const char *what);
 207 BIGNUM *load_serial(const char *serialfile, int create, ASN1_INTEGER **retai);
 208 int save_serial(const char *serialfile, const char *suffix, const BIGNUM *serial,
 209                 ASN1_INTEGER **retai);
 210 int rotate_serial(const char *serialfile, const char *new_suffix,
 211                   const char *old_suffix);
 212 int rand_serial(BIGNUM *b, ASN1_INTEGER *ai);
 213 CA_DB *load_index(const char *dbfile, DB_ATTR *dbattr);
 214 int index_index(CA_DB *db);
 215 int save_index(const char *dbfile, const char *suffix, CA_DB *db);
 216 int rotate_index(const char *dbfile, const char *new_suffix,
 217                  const char *old_suffix);
 218 void free_index(CA_DB *db);
 219 # define index_name_cmp_noconst(a, b) \
 220         index_name_cmp((const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, a), \
 221         (const OPENSSL_CSTRING *)CHECKED_PTR_OF(OPENSSL_STRING, b))
 222 int index_name_cmp(const OPENSSL_CSTRING *a, const OPENSSL_CSTRING *b);
 223 int parse_yesno(const char *str, int def);
 224
 225 X509_NAME *parse_name(const char *str, int chtype, int multirdn,
 226                       const char *desc);
 227 void policies_print(X509_STORE_CTX *ctx);
 228 int bio_to_mem(unsigned char **out, int maxlen, BIO *in);
 229 int pkey_ctrl_string(EVP_PKEY_CTX *ctx, const char *value);
 230 int x509_ctrl_string(X509 *x, const char *value);
 231 int x509_req_ctrl_string(X509_REQ *x, const char *value);
 232 int init_gen_str(EVP_PKEY_CTX **pctx,
 233                  const char *algname, ENGINE *e, int do_param,
 234                  OSSL_LIB_CTX *libctx, const char *propq);
 235 int do_X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md,
 236                  STACK_OF(OPENSSL_STRING) *sigopts, X509V3_CTX *ext_ctx);
 237 int do_X509_verify(X509 *x, EVP_PKEY *pkey, STACK_OF(OPENSSL_STRING) *vfyopts);
 238 int do_X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md,
 239                      STACK_OF(OPENSSL_STRING) *sigopts);
 240 int do_X509_REQ_verify(X509_REQ *x, EVP_PKEY *pkey,
 241                        STACK_OF(OPENSSL_STRING) *vfyopts);
 242 int do_X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md,
 243                      STACK_OF(OPENSSL_STRING) *sigopts);
 244
 245 extern char *psk_key;
 246
 247
 248 unsigned char *next_protos_parse(size_t *outlen, const char *in);
 249
 250 void print_cert_checks(BIO *bio, X509 *x,
 251                        const char *checkhost,
 252                        const char *checkemail, const char *checkip);
 253
 254 void store_setup_crl_download(X509_STORE *st);
 255
 256 typedef struct app_http_tls_info_st {
 257     const char *server;
 258     const char *port;
 259     int use_proxy;
 260     long timeout;
 261     SSL_CTX *ssl_ctx;
 262 } APP_HTTP_TLS_INFO;
 263 BIO *app_http_tls_cb(BIO *hbio, /* APP_HTTP_TLS_INFO */ void *arg,
 264                      int connect, int detail);
 265 # ifndef OPENSSL_NO_SOCK
 266 ASN1_VALUE *app_http_get_asn1(const char *url, const char *proxy,
 267                               const char *no_proxy, SSL_CTX *ssl_ctx,
 268                               const STACK_OF(CONF_VALUE) *headers,
 269                               long timeout, const char *expected_content_type,
 270                               const ASN1_ITEM *it);
 271 ASN1_VALUE *app_http_post_asn1(const char *host, const char *port,
 272                                const char *path, const char *proxy,
 273                                const char *no_proxy, SSL_CTX *ctx,
 274                                const STACK_OF(CONF_VALUE) *headers,
 275                                const char *content_type,
 276                                ASN1_VALUE *req, const ASN1_ITEM *req_it,
 277                                long timeout, const ASN1_ITEM *rsp_it);
 278 # endif
 279
 280 # define EXT_COPY_NONE   0
 281 # define EXT_COPY_ADD    1
 282 # define EXT_COPY_ALL    2
 283
 284 # define NETSCAPE_CERT_HDR       "certificate"
 285
 286 # define APP_PASS_LEN    1024
 287
 288 /*
 289  * IETF RFC 5280 says serial number must be <= 20 bytes. Use 159 bits
 290  * so that the first bit will never be one, so that the DER encoding
 291  * rules won't force a leading octet.
 292  */
 293 # define SERIAL_RAND_BITS        159
 294
 295 int app_isdir(const char *);
 296 int app_access(const char *, int flag);
 297 int fileno_stdin(void);
 298 int fileno_stdout(void);
 299 int raw_read_stdin(void *, int);
 300 int raw_write_stdout(const void *, int);
 301
 302 # define TM_START        0
 303 # define TM_STOP         1
 304 double app_tminterval(int stop, int usertime);
 305
 306 void make_uppercase(char *string);
 307
 308 typedef struct verify_options_st {
 309     int depth;
 310     int quiet;
 311     int error;
 312     int return_error;
 313 } VERIFY_CB_ARGS;
 314
 315 extern VERIFY_CB_ARGS verify_args;
 316
 317 OSSL_LIB_CTX *app_create_libctx(void);
 318 OSSL_LIB_CTX *app_get0_libctx(void);
 319 OSSL_PARAM *app_params_new_from_opts(STACK_OF(OPENSSL_STRING) *opts,
 320                                      const OSSL_PARAM *paramdefs);
 321 void app_params_free(OSSL_PARAM *params);
 322 int app_provider_load(OSSL_LIB_CTX *libctx, const char *provider_name);
 323 void app_providers_cleanup(void);
 324
 325 OSSL_LIB_CTX *app_get0_libctx(void);
 326 const char *app_get0_propq(void);
 327
 328 #endif