iostream-ssl.h revision 997b30e4099704d2dbe3402b890a892b71b1d640
#ifndef IOSTREAM_SSL_H
#define IOSTREAM_SSL_H
struct ssl_iostream;
struct ssl_iostream_context;
struct ssl_iostream_cert {
const char *cert;
const char *key;
const char *key_password;
};
struct ssl_iostream_settings {
const char *protocols;
const char *cipher_list;
const char *curve_list;
const char *ca, *ca_file, *ca_dir; /* context-only */
/* alternative cert is for providing certificate using
different key algorithm */
struct ssl_iostream_cert cert; /* both */
struct ssl_iostream_cert alt_cert;
const char *dh;
const char *cert_username_field;
const char *crypto_device; /* context-only */
bool verbose, verbose_invalid_cert; /* stream-only */
bool skip_crl_check;
bool verify_remote_cert; /* neither/both */
bool allow_invalid_cert; /* stream-only */
bool prefer_server_ciphers;
bool compression;
bool tickets;
};
/* Load SSL module */
int ssl_module_load(const char **error_r);
/* Returns 0 if ok, -1 and sets error_r if failed. The returned error string
becomes available via ssl_iostream_get_last_error() */
typedef int
ssl_iostream_handshake_callback_t(const char **error_r, void *context);
int io_stream_create_ssl_client(struct ssl_iostream_context *ctx, const char *host,
const struct ssl_iostream_settings *set,
struct istream **input, struct ostream **output,
struct ssl_iostream **iostream_r,
const char **error_r);
int io_stream_create_ssl_server(struct ssl_iostream_context *ctx,
const struct ssl_iostream_settings *set,
struct istream **input, struct ostream **output,
struct ssl_iostream **iostream_r,
const char **error_r);
/* returned input and output streams must also be unreferenced */
void ssl_iostream_unref(struct ssl_iostream **ssl_io);
/* shutdown SSL connection and unreference ssl iostream */
void ssl_iostream_destroy(struct ssl_iostream **ssl_io);
/* If verbose logging is enabled, use the specified log prefix */
void ssl_iostream_set_log_prefix(struct ssl_iostream *ssl_io,
const char *prefix);
int ssl_iostream_handshake(struct ssl_iostream *ssl_io);
void ssl_iostream_set_handshake_callback(struct ssl_iostream *ssl_io,
ssl_iostream_handshake_callback_t *callback,
void *context);
bool ssl_iostream_is_handshaked(const struct ssl_iostream *ssl_io);
/* Returns TRUE if the remote cert is invalid, or handshake callback returned
failure. */
bool ssl_iostream_has_handshake_failed(const struct ssl_iostream *ssl_io);
bool ssl_iostream_has_valid_client_cert(const struct ssl_iostream *ssl_io);
bool ssl_iostream_has_broken_client_cert(struct ssl_iostream *ssl_io);
int ssl_iostream_check_cert_validity(struct ssl_iostream *ssl_io,
const char *host, const char **error_r);
int ssl_iostream_cert_match_name(struct ssl_iostream *ssl_io, const char *name);
const char *ssl_iostream_get_peer_name(struct ssl_iostream *ssl_io);
const char *ssl_iostream_get_compression(struct ssl_iostream *ssl_io);
const char *ssl_iostream_get_server_name(struct ssl_iostream *ssl_io);
const char *ssl_iostream_get_security_string(struct ssl_iostream *ssl_io);
const char *ssl_iostream_get_last_error(struct ssl_iostream *ssl_io);
int ssl_iostream_context_init_client(const struct ssl_iostream_settings *set,
struct ssl_iostream_context **ctx_r,
const char **error_r);
int ssl_iostream_context_init_server(const struct ssl_iostream_settings *set,
struct ssl_iostream_context **ctx_r,
const char **error_r);
void ssl_iostream_context_deinit(struct ssl_iostream_context **ctx);
struct ssl_iostream_settings *ssl_iostream_settings_dup(pool_t pool,
const struct ssl_iostream_settings *old_set);
#endif