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      1 /*
      2  * Copyright 1995-2023 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 #include <openssl/opensslconf.h>
     11 
     12 #include <openssl/ssl.h>
     13 #include <openssl/srp.h>
     14 
     15 #define PORT "4433"
     16 #define PROTOCOL "tcp"
     17 
     18 #define SSL_VERSION_ALLOWS_RENEGOTIATION(s) \
     19     (SSL_is_dtls(s) || (SSL_version(s) < TLS1_3_VERSION))
     20 
     21 typedef int (*do_server_cb)(int s, int stype, int prot, unsigned char *context);
     22 void get_sock_info_address(int asock, char **hostname, char **service);
     23 int report_server_accept(BIO *out, int asock, int with_address, int with_pid);
     24 int do_server(int *accept_sock, const char *host, const char *port,
     25     int family, int type, int protocol, do_server_cb cb,
     26     unsigned char *context, int naccept, BIO *bio_s_out,
     27     int tfo);
     28 int verify_callback(int ok, X509_STORE_CTX *ctx);
     29 
     30 int set_cert_stuff(SSL_CTX *ctx, char *cert_file, char *key_file);
     31 int set_cert_key_stuff(SSL_CTX *ctx, X509 *cert, EVP_PKEY *key,
     32     STACK_OF(X509) *chain, int build_chain);
     33 int ssl_print_sigalgs(BIO *out, SSL *s);
     34 int ssl_print_point_formats(BIO *out, SSL *s);
     35 int ssl_print_groups(BIO *out, SSL *s, int noshared);
     36 int ssl_print_tmp_key(BIO *out, SSL *s);
     37 int init_client(int *sock, const char *host, const char *port,
     38     const char *bindhost, const char *bindport,
     39     int family, int type, int protocol, int tfo, int doconn,
     40     BIO_ADDR **ba_ret);
     41 int should_retry(int i);
     42 void do_ssl_shutdown(SSL *ssl);
     43 
     44 long bio_dump_callback(BIO *bio, int cmd, const char *argp, size_t len,
     45     int argi, long argl, int ret, size_t *processed);
     46 
     47 void apps_ssl_info_callback(const SSL *s, int where, int ret);
     48 void msg_cb(int write_p, int version, int content_type, const void *buf,
     49     size_t len, SSL *ssl, void *arg);
     50 void tlsext_cb(SSL *s, int client_server, int type, const unsigned char *data,
     51     int len, void *arg);
     52 
     53 int generate_cookie_callback(SSL *ssl, unsigned char *cookie,
     54     unsigned int *cookie_len);
     55 int verify_cookie_callback(SSL *ssl, const unsigned char *cookie,
     56     unsigned int cookie_len);
     57 
     58 #ifdef __VMS /* 31 char symbol name limit */
     59 #define generate_stateless_cookie_callback generate_stateless_cookie_cb
     60 #define verify_stateless_cookie_callback verify_stateless_cookie_cb
     61 #endif
     62 
     63 int generate_stateless_cookie_callback(SSL *ssl, unsigned char *cookie,
     64     size_t *cookie_len);
     65 int verify_stateless_cookie_callback(SSL *ssl, const unsigned char *cookie,
     66     size_t cookie_len);
     67 
     68 typedef struct ssl_excert_st SSL_EXCERT;
     69 
     70 void ssl_ctx_set_excert(SSL_CTX *ctx, SSL_EXCERT *exc);
     71 void ssl_excert_free(SSL_EXCERT *exc);
     72 int args_excert(int option, SSL_EXCERT **pexc);
     73 int load_excert(SSL_EXCERT **pexc);
     74 void print_verify_detail(SSL *s, BIO *bio);
     75 void print_ssl_summary(SSL *s);
     76 int config_ctx(SSL_CONF_CTX *cctx, STACK_OF(OPENSSL_STRING) *str, SSL_CTX *ctx);
     77 int ssl_ctx_add_crls(SSL_CTX *ctx, STACK_OF(X509_CRL) *crls,
     78     int crl_download);
     79 int ssl_load_stores(SSL_CTX *ctx, const char *vfyCApath,
     80     const char *vfyCAfile, const char *vfyCAstore,
     81     const char *chCApath, const char *chCAfile,
     82     const char *chCAstore, STACK_OF(X509_CRL) *crls,
     83     int crl_download);
     84 void ssl_ctx_security_debug(SSL_CTX *ctx, int verbose);
     85 int set_keylog_file(SSL_CTX *ctx, const char *keylog_file);
     86 void print_ca_names(BIO *bio, SSL *s);
     87 void ssl_print_secure_renegotiation_notes(BIO *bio, SSL *s);
     88 
     89 #ifndef OPENSSL_NO_SRP
     90 /* The client side SRP context that we pass to all SRP related callbacks */
     91 typedef struct srp_arg_st {
     92     char *srppassin;
     93     char *srplogin;
     94     int msg; /* copy from c_msg */
     95     int debug; /* copy from c_debug */
     96     int amp; /* allow more groups */
     97     int strength; /* minimal size for N */
     98 } SRP_ARG;
     99 
    100 int set_up_srp_arg(SSL_CTX *ctx, SRP_ARG *srp_arg, int srp_lateuser, int c_msg,
    101     int c_debug);
    102 void set_up_dummy_srp(SSL_CTX *ctx);
    103 
    104 /* The server side SRP context that we pass to all SRP related callbacks */
    105 typedef struct srpsrvparm_st {
    106     char *login;
    107     SRP_VBASE *vb;
    108     SRP_user_pwd *user;
    109 } srpsrvparm;
    110 
    111 int set_up_srp_verifier_file(SSL_CTX *ctx, srpsrvparm *srp_callback_parm,
    112     char *srpuserseed, char *srp_verifier_file);
    113 void lookup_srp_user(srpsrvparm *srp_callback_parm, BIO *bio_s_out);
    114 #endif /* OPENSSL_NO_SRP */
    115