/usr/include/dacs/dacs_ssl.h is in libdacs-dev 1.4.28b-3ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2003-2012
* Distributed Systems Software. All rights reserved.
* See the file LICENSE for redistribution information.
*
* $Id: dacs_ssl.h 2594 2012-10-19 17:28:49Z brachman $
*/
#ifndef _DACS_SSL_H_
#define _DACS_SSL_H_
#include "dacs.h"
#include <sys/types.h>
#include <sys/uio.h>
#include <sys/time.h>
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#if defined(DACS_OS_SOLARIS)
#include <sys/filio.h>
#endif
#if defined(DACS_OS_CYGWIN)
#include <sys/termios.h>
#endif
#include <regex.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/ssl.h>
#include <openssl/x509v3.h>
#include "str.h"
#include "ds.h"
#include "net.h"
#ifndef ALLOC
#define ALLOC(OBJ) ((OBJ *) malloc(sizeof(OBJ)))
#endif
#ifndef ALLOC_N
#define ALLOC_N(OBJ, N) ((OBJ *) malloc(sizeof(OBJ) * (N)))
#endif
#define DEFAULT_CIPHER_LIST "ALL:!ADH:!LOW:!EXP:!MD5:@STRENGTH"
#ifndef DEFAULT_SERVER_PORT
#define DEFAULT_SERVER_PORT "443"
#endif
#ifndef CA_CERT_FILE
#define CA_CERT_FILE NULL
#endif
#ifndef CA_CERT_DIR
#define CA_CERT_DIR NULL
#endif
#ifndef DEFAULT_RAND_SEED_FILE
#define DEFAULT_RAND_SEED_FILE "/dev/urandom"
#endif
enum {
RAND_SEED_BYTES = 1024, /* Number of bytes required for seeding */
BUF_SIZE = 10240 /* SSL I/O buffer size, in bytes */
};
typedef struct Ssl_peer_match {
char *regex_str;
regex_t *regex;
} Ssl_peer_match;
typedef struct IO_state {
int eof;
int last_errno;
} IO_state;
typedef struct Ssl_conf {
SSL *ssl;
char *ca_cert_dir;
char *ca_cert_file;
char *cert_chain_file;
char *cipher_list;
char *rand_seed_file;
char *key_file;
int key_file_type;
int use_default_verify_paths;
int verify_depth;
int verify_type;
int verify_error;
int verify_allow_self_signed;
int buffer_output;
Dsvec *peer_match_vec;
int verbose_flag;
} Ssl_conf;
typedef ssize_t (*Ssl_io_callback)(void *, unsigned char *, size_t);
typedef struct Ssl_global_conf {
X509_STORE *store;
Ssl_conf *conf;
} Ssl_global_conf;
#ifdef __cplusplus
extern "C" {
#endif
extern int ssl_transfer(char *server, char *port, Ssl_conf *conf,
Ssl_io_callback user_get_func, void *user_get_arg,
Ssl_io_callback user_put_func, void *user_put_arg);
extern int ssl_server(char *hostname, char *port, Ssl_conf *conf,
Ssl_io_callback user_get_data, void *user_get_arg,
Ssl_io_callback user_put_data, void *user_put_arg);
extern SSL_CTX *ssl_setup_client_ctx(Ssl_conf *conf);
extern Ssl_conf *ssl_init_defaults(Ssl_conf *conf);
extern ssize_t ssl_get_data(void *ctx, unsigned char *ptr, size_t len);
extern ssize_t ssl_put_data(void *ctx, unsigned char *ptr, size_t len);
extern int ssl_verify_callback(int ok, X509_STORE_CTX *ctx);
extern char *ssl_get_error_messages(void);
extern void ssl_transfer_data(SSL *ssl, Ssl_io_callback data_to_network,
void *to_ctx, Ssl_io_callback data_from_network,
void *from_ctx);
extern long ssl_post_connection_check(SSL *ssl, char *peer, Ssl_conf *conf);
extern int ssl_init(Ssl_conf *conf);
extern int ssl_printf(SSL *ssl, const char *fmt, ...);
extern int ssl_puts(SSL *ssl, char *str);
extern int ssl_gets(SSL *ssl, char *bufp, size_t buflen);
extern int ssl_eof(SSL *ssl);
#ifdef __cplusplus
}
#endif
#endif
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