ports/libssh
ports/libssh
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libssh/include/libssh/libssh.h
Jakub Jelen b7fefb0500 options: Provide a way of disabling automatic config parsing 
Signed-off-by: Jakub Jelen <jjelen@redhat.com>
Reviewed-by: Andreas Schneider <asn@cryptomilk.org>
2018-11-02 11:16:35 +01:00

828 строки
31 KiB
C
Исходник Ответственный История

/*
* This file is part of the SSH Library
*
* Copyright (c) 2003-2009 by Aris Adamantiadis
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef _LIBSSH_H
#define _LIBSSH_H
#if defined _WIN32 || defined __CYGWIN__
#ifdef LIBSSH_STATIC
#define LIBSSH_API
#else
#ifdef LIBSSH_EXPORTS
#ifdef __GNUC__
#define LIBSSH_API __attribute__((dllexport))
#else
#define LIBSSH_API __declspec(dllexport)
#endif
#else
#ifdef __GNUC__
#define LIBSSH_API __attribute__((dllimport))
#else
#define LIBSSH_API __declspec(dllimport)
#endif
#endif
#endif
#else
#if __GNUC__ >= 4 && !defined(__OS2__)
#define LIBSSH_API __attribute__((visibility("default")))
#else
#define LIBSSH_API
#endif
#endif
#ifdef _MSC_VER
/* Visual Studio hasn't inttypes.h so it doesn't know uint32_t */
typedef int int32_t;
typedef unsigned int uint32_t;
typedef unsigned short uint16_t;
typedef unsigned char uint8_t;
typedef unsigned long long uint64_t;
typedef int mode_t;
#else /* _MSC_VER */
#include <unistd.h>
#include <inttypes.h>
#include <sys/types.h>
#endif /* _MSC_VER */
#ifdef _WIN32
#include <winsock2.h>
#else /* _WIN32 */
#include <sys/select.h> /* for fd_set * */
#include <netdb.h>
#endif /* _WIN32 */
#define SSH_STRINGIFY(s) SSH_TOSTRING(s)
#define SSH_TOSTRING(s) #s
/* libssh version macros */
#define SSH_VERSION_INT(a, b, c) ((a) << 16 | (b) << 8 | (c))
#define SSH_VERSION_DOT(a, b, c) a ##.## b ##.## c
#define SSH_VERSION(a, b, c) SSH_VERSION_DOT(a, b, c)
/* libssh version */
#define LIBSSH_VERSION_MAJOR 0
#define LIBSSH_VERSION_MINOR 8
#define LIBSSH_VERSION_MICRO 90
#define LIBSSH_VERSION_INT SSH_VERSION_INT(LIBSSH_VERSION_MAJOR, \
LIBSSH_VERSION_MINOR, \
LIBSSH_VERSION_MICRO)
#define LIBSSH_VERSION SSH_VERSION(LIBSSH_VERSION_MAJOR, \
LIBSSH_VERSION_MINOR, \
LIBSSH_VERSION_MICRO)
/* GCC have printf type attribute check. */
#ifdef __GNUC__
#define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b)))
#else
#define PRINTF_ATTRIBUTE(a,b)
#endif /* __GNUC__ */
#ifdef __GNUC__
#define SSH_DEPRECATED __attribute__ ((deprecated))
#else
#define SSH_DEPRECATED
#endif
#ifdef __cplusplus
extern "C" {
#endif
struct ssh_counter_struct {
uint64_t in_bytes;
uint64_t out_bytes;
uint64_t in_packets;
uint64_t out_packets;
};
typedef struct ssh_counter_struct *ssh_counter;
typedef struct ssh_agent_struct* ssh_agent;
typedef struct ssh_buffer_struct* ssh_buffer;
typedef struct ssh_channel_struct* ssh_channel;
typedef struct ssh_message_struct* ssh_message;
typedef struct ssh_pcap_file_struct* ssh_pcap_file;
typedef struct ssh_key_struct* ssh_key;
typedef struct ssh_scp_struct* ssh_scp;
typedef struct ssh_session_struct* ssh_session;
typedef struct ssh_string_struct* ssh_string;
typedef struct ssh_event_struct* ssh_event;
typedef struct ssh_connector_struct * ssh_connector;
typedef void* ssh_gssapi_creds;
/* Socket type */
#ifdef _WIN32
#ifndef socket_t
typedef SOCKET socket_t;
#endif /* socket_t */
#else /* _WIN32 */
#ifndef socket_t
typedef int socket_t;
#endif
#endif /* _WIN32 */
#define SSH_INVALID_SOCKET ((socket_t) -1)
/* the offsets of methods */
enum ssh_kex_types_e {
SSH_KEX=0,
SSH_HOSTKEYS,
SSH_CRYPT_C_S,
SSH_CRYPT_S_C,
SSH_MAC_C_S,
SSH_MAC_S_C,
SSH_COMP_C_S,
SSH_COMP_S_C,
SSH_LANG_C_S,
SSH_LANG_S_C
};
#define SSH_CRYPT 2
#define SSH_MAC 3
#define SSH_COMP 4
#define SSH_LANG 5
enum ssh_auth_e {
SSH_AUTH_SUCCESS=0,
SSH_AUTH_DENIED,
SSH_AUTH_PARTIAL,
SSH_AUTH_INFO,
SSH_AUTH_AGAIN,
SSH_AUTH_ERROR=-1
};
/* auth flags */
#define SSH_AUTH_METHOD_UNKNOWN 0
#define SSH_AUTH_METHOD_NONE 0x0001
#define SSH_AUTH_METHOD_PASSWORD 0x0002
#define SSH_AUTH_METHOD_PUBLICKEY 0x0004
#define SSH_AUTH_METHOD_HOSTBASED 0x0008
#define SSH_AUTH_METHOD_INTERACTIVE 0x0010
#define SSH_AUTH_METHOD_GSSAPI_MIC 0x0020
/* messages */
enum ssh_requests_e {
SSH_REQUEST_AUTH=1,
SSH_REQUEST_CHANNEL_OPEN,
SSH_REQUEST_CHANNEL,
SSH_REQUEST_SERVICE,
SSH_REQUEST_GLOBAL
};
enum ssh_channel_type_e {
SSH_CHANNEL_UNKNOWN=0,
SSH_CHANNEL_SESSION,
SSH_CHANNEL_DIRECT_TCPIP,
SSH_CHANNEL_FORWARDED_TCPIP,
SSH_CHANNEL_X11,
SSH_CHANNEL_AUTH_AGENT
};
enum ssh_channel_requests_e {
SSH_CHANNEL_REQUEST_UNKNOWN=0,
SSH_CHANNEL_REQUEST_PTY,
SSH_CHANNEL_REQUEST_EXEC,
SSH_CHANNEL_REQUEST_SHELL,
SSH_CHANNEL_REQUEST_ENV,
SSH_CHANNEL_REQUEST_SUBSYSTEM,
SSH_CHANNEL_REQUEST_WINDOW_CHANGE,
SSH_CHANNEL_REQUEST_X11
};
enum ssh_global_requests_e {
SSH_GLOBAL_REQUEST_UNKNOWN=0,
SSH_GLOBAL_REQUEST_TCPIP_FORWARD,
SSH_GLOBAL_REQUEST_CANCEL_TCPIP_FORWARD,
SSH_GLOBAL_REQUEST_KEEPALIVE
};
enum ssh_publickey_state_e {
SSH_PUBLICKEY_STATE_ERROR=-1,
SSH_PUBLICKEY_STATE_NONE=0,
SSH_PUBLICKEY_STATE_VALID=1,
SSH_PUBLICKEY_STATE_WRONG=2
};
/* Status flags */
/** Socket is closed */
#define SSH_CLOSED 0x01
/** Reading to socket won't block */
#define SSH_READ_PENDING 0x02
/** Session was closed due to an error */
#define SSH_CLOSED_ERROR 0x04
/** Output buffer not empty */
#define SSH_WRITE_PENDING 0x08
enum ssh_server_known_e {
SSH_SERVER_ERROR=-1,
SSH_SERVER_NOT_KNOWN=0,
SSH_SERVER_KNOWN_OK,
SSH_SERVER_KNOWN_CHANGED,
SSH_SERVER_FOUND_OTHER,
SSH_SERVER_FILE_NOT_FOUND
};
enum ssh_known_hosts_e {
/**
* There had been an error checking the host.
*/
SSH_KNOWN_HOSTS_ERROR = -2,
/**
* The known host file does not exist. The host is thus unknown. File will
* be created if host key is accepted.
*/
SSH_KNOWN_HOSTS_NOT_FOUND = -1,
/**
* The server is unknown. User should confirm the public key hash is
* correct.
*/
SSH_KNOWN_HOSTS_UNKNOWN = 0,
/**
* The server is known and has not changed.
*/
SSH_KNOWN_HOSTS_OK,
/**
* The server key has changed. Either you are under attack or the
* administrator changed the key. You HAVE to warn the user about a
* possible attack.
*/
SSH_KNOWN_HOSTS_CHANGED,
/**
* The server gave use a key of a type while we had an other type recorded.
* It is a possible attack.
*/
SSH_KNOWN_HOSTS_OTHER,
};
#ifndef MD5_DIGEST_LEN
#define MD5_DIGEST_LEN 16
#endif
/* errors */
enum ssh_error_types_e {
SSH_NO_ERROR=0,
SSH_REQUEST_DENIED,
SSH_FATAL,
SSH_EINTR
};
/* some types for keys */
enum ssh_keytypes_e{
SSH_KEYTYPE_UNKNOWN=0,
SSH_KEYTYPE_DSS=1,
SSH_KEYTYPE_RSA,
SSH_KEYTYPE_RSA1,
SSH_KEYTYPE_ECDSA,
SSH_KEYTYPE_ED25519,
SSH_KEYTYPE_DSS_CERT01,
SSH_KEYTYPE_RSA_CERT01
};
enum ssh_keycmp_e {
SSH_KEY_CMP_PUBLIC = 0,
SSH_KEY_CMP_PRIVATE
};
#define SSH_ADDRSTRLEN 46
struct ssh_knownhosts_entry {
char *hostname;
char *unparsed;
ssh_key publickey;
char *comment;
};
/* Error return codes */
#define SSH_OK 0 /* No error */
#define SSH_ERROR -1 /* Error of some kind */
#define SSH_AGAIN -2 /* The nonblocking call must be repeated */
#define SSH_EOF -127 /* We have already a eof */
/**
* @addtogroup libssh_log
*
* @{
*/
enum {
/** No logging at all
*/
SSH_LOG_NOLOG=0,
/** Only warnings
*/
SSH_LOG_WARNING,
/** High level protocol information
*/
SSH_LOG_PROTOCOL,
/** Lower level protocol infomations, packet level
*/
SSH_LOG_PACKET,
/** Every function path
*/
SSH_LOG_FUNCTIONS
};
/** @} */
#define SSH_LOG_RARE SSH_LOG_WARNING
/**
* @name Logging levels
*
* @brief Debug levels for logging.
* @{
*/
/** No logging at all */
#define SSH_LOG_NONE 0
/** Show only warnings */
#define SSH_LOG_WARN 1
/** Get some information what's going on */
#define SSH_LOG_INFO 2
/** Get detailed debuging information **/
#define SSH_LOG_DEBUG 3
/** Get trace output, packet information, ... */
#define SSH_LOG_TRACE 4
/** @} */
enum ssh_options_e {
SSH_OPTIONS_HOST,
SSH_OPTIONS_PORT,
SSH_OPTIONS_PORT_STR,
SSH_OPTIONS_FD,
SSH_OPTIONS_USER,
SSH_OPTIONS_SSH_DIR,
SSH_OPTIONS_IDENTITY,
SSH_OPTIONS_ADD_IDENTITY,
SSH_OPTIONS_KNOWNHOSTS,
SSH_OPTIONS_TIMEOUT,
SSH_OPTIONS_TIMEOUT_USEC,
SSH_OPTIONS_SSH1,
SSH_OPTIONS_SSH2,
SSH_OPTIONS_LOG_VERBOSITY,
SSH_OPTIONS_LOG_VERBOSITY_STR,
SSH_OPTIONS_CIPHERS_C_S,
SSH_OPTIONS_CIPHERS_S_C,
SSH_OPTIONS_COMPRESSION_C_S,
SSH_OPTIONS_COMPRESSION_S_C,
SSH_OPTIONS_PROXYCOMMAND,
SSH_OPTIONS_BINDADDR,
SSH_OPTIONS_STRICTHOSTKEYCHECK,
SSH_OPTIONS_COMPRESSION,
SSH_OPTIONS_COMPRESSION_LEVEL,
SSH_OPTIONS_KEY_EXCHANGE,
SSH_OPTIONS_HOSTKEYS,
SSH_OPTIONS_GSSAPI_SERVER_IDENTITY,
SSH_OPTIONS_GSSAPI_CLIENT_IDENTITY,
SSH_OPTIONS_GSSAPI_DELEGATE_CREDENTIALS,
SSH_OPTIONS_HMAC_C_S,
SSH_OPTIONS_HMAC_S_C,
SSH_OPTIONS_PASSWORD_AUTH,
SSH_OPTIONS_PUBKEY_AUTH,
SSH_OPTIONS_KBDINT_AUTH,
SSH_OPTIONS_GSSAPI_AUTH,
SSH_OPTIONS_GLOBAL_KNOWNHOSTS,
SSH_OPTIONS_NODELAY,
SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
SSH_OPTIONS_PROCESS_CONFIG,
};
enum {
/** Code is going to write/create remote files */
SSH_SCP_WRITE,
/** Code is going to read remote files */
SSH_SCP_READ,
SSH_SCP_RECURSIVE=0x10
};
enum ssh_scp_request_types {
/** A new directory is going to be pulled */
SSH_SCP_REQUEST_NEWDIR=1,
/** A new file is going to be pulled */
SSH_SCP_REQUEST_NEWFILE,
/** End of requests */
SSH_SCP_REQUEST_EOF,
/** End of directory */
SSH_SCP_REQUEST_ENDDIR,
/** Warning received */
SSH_SCP_REQUEST_WARNING
};
enum ssh_connector_flags_e {
/** Only the standard stream of the channel */
SSH_CONNECTOR_STDOUT = 1,
/** Only the exception stream of the channel */
SSH_CONNECTOR_STDERR = 2,
/** Merge both standard and exception streams */
SSH_CONNECTOR_BOTH = 3
};
LIBSSH_API int ssh_blocking_flush(ssh_session session, int timeout);
LIBSSH_API ssh_channel ssh_channel_accept_x11(ssh_channel channel, int timeout_ms);
LIBSSH_API int ssh_channel_change_pty_size(ssh_channel channel,int cols,int rows);
LIBSSH_API int ssh_channel_close(ssh_channel channel);
LIBSSH_API void ssh_channel_free(ssh_channel channel);
LIBSSH_API int ssh_channel_get_exit_status(ssh_channel channel);
LIBSSH_API ssh_session ssh_channel_get_session(ssh_channel channel);
LIBSSH_API int ssh_channel_is_closed(ssh_channel channel);
LIBSSH_API int ssh_channel_is_eof(ssh_channel channel);
LIBSSH_API int ssh_channel_is_open(ssh_channel channel);
LIBSSH_API ssh_channel ssh_channel_new(ssh_session session);
LIBSSH_API int ssh_channel_open_auth_agent(ssh_channel channel);
LIBSSH_API int ssh_channel_open_forward(ssh_channel channel, const char *remotehost,
int remoteport, const char *sourcehost, int localport);
LIBSSH_API int ssh_channel_open_session(ssh_channel channel);
LIBSSH_API int ssh_channel_open_x11(ssh_channel channel, const char *orig_addr, int orig_port);
LIBSSH_API int ssh_channel_poll(ssh_channel channel, int is_stderr);
LIBSSH_API int ssh_channel_poll_timeout(ssh_channel channel, int timeout, int is_stderr);
LIBSSH_API int ssh_channel_read(ssh_channel channel, void *dest, uint32_t count, int is_stderr);
LIBSSH_API int ssh_channel_read_timeout(ssh_channel channel, void *dest, uint32_t count, int is_stderr, int timeout_ms);
LIBSSH_API int ssh_channel_read_nonblocking(ssh_channel channel, void *dest, uint32_t count,
int is_stderr);
LIBSSH_API int ssh_channel_request_env(ssh_channel channel, const char *name, const char *value);
LIBSSH_API int ssh_channel_request_exec(ssh_channel channel, const char *cmd);
LIBSSH_API int ssh_channel_request_pty(ssh_channel channel);
LIBSSH_API int ssh_channel_request_pty_size(ssh_channel channel, const char *term,
int cols, int rows);
LIBSSH_API int ssh_channel_request_shell(ssh_channel channel);
LIBSSH_API int ssh_channel_request_send_signal(ssh_channel channel, const char *signum);
LIBSSH_API int ssh_channel_request_send_break(ssh_channel channel, uint32_t length);
LIBSSH_API int ssh_channel_request_sftp(ssh_channel channel);
LIBSSH_API int ssh_channel_request_subsystem(ssh_channel channel, const char *subsystem);
LIBSSH_API int ssh_channel_request_x11(ssh_channel channel, int single_connection, const char *protocol,
const char *cookie, int screen_number);
LIBSSH_API int ssh_channel_request_auth_agent(ssh_channel channel);
LIBSSH_API int ssh_channel_send_eof(ssh_channel channel);
LIBSSH_API int ssh_channel_select(ssh_channel *readchans, ssh_channel *writechans, ssh_channel *exceptchans, struct
timeval * timeout);
LIBSSH_API void ssh_channel_set_blocking(ssh_channel channel, int blocking);
LIBSSH_API void ssh_channel_set_counter(ssh_channel channel,
ssh_counter counter);
LIBSSH_API int ssh_channel_write(ssh_channel channel, const void *data, uint32_t len);
LIBSSH_API int ssh_channel_write_stderr(ssh_channel channel,
const void *data,
uint32_t len);
LIBSSH_API uint32_t ssh_channel_window_size(ssh_channel channel);
LIBSSH_API char *ssh_basename (const char *path);
LIBSSH_API void ssh_clean_pubkey_hash(unsigned char **hash);
LIBSSH_API int ssh_connect(ssh_session session);
LIBSSH_API ssh_connector ssh_connector_new(ssh_session session);
LIBSSH_API void ssh_connector_free(ssh_connector connector);
LIBSSH_API int ssh_connector_set_in_channel(ssh_connector connector,
ssh_channel channel,
enum ssh_connector_flags_e flags);
LIBSSH_API int ssh_connector_set_out_channel(ssh_connector connector,
ssh_channel channel,
enum ssh_connector_flags_e flags);
LIBSSH_API void ssh_connector_set_in_fd(ssh_connector connector, socket_t fd);
LIBSSH_API void ssh_connector_set_out_fd(ssh_connector connector, socket_t fd);
LIBSSH_API const char *ssh_copyright(void);
LIBSSH_API void ssh_disconnect(ssh_session session);
LIBSSH_API char *ssh_dirname (const char *path);
LIBSSH_API int ssh_finalize(void);
/* REVERSE PORT FORWARDING */
LIBSSH_API ssh_channel ssh_channel_accept_forward(ssh_session session,
int timeout_ms,
int *destination_port);
LIBSSH_API int ssh_channel_cancel_forward(ssh_session session,
const char *address,
int port);
LIBSSH_API int ssh_channel_listen_forward(ssh_session session,
const char *address,
int port,
int *bound_port);
LIBSSH_API void ssh_free(ssh_session session);
LIBSSH_API const char *ssh_get_disconnect_message(ssh_session session);
LIBSSH_API const char *ssh_get_error(void *error);
LIBSSH_API int ssh_get_error_code(void *error);
LIBSSH_API socket_t ssh_get_fd(ssh_session session);
LIBSSH_API char *ssh_get_hexa(const unsigned char *what, size_t len);
LIBSSH_API char *ssh_get_issue_banner(ssh_session session);
LIBSSH_API int ssh_get_openssh_version(ssh_session session);
LIBSSH_API int ssh_get_server_publickey(ssh_session session, ssh_key *key);
enum ssh_publickey_hash_type {
SSH_PUBLICKEY_HASH_SHA1,
SSH_PUBLICKEY_HASH_MD5,
SSH_PUBLICKEY_HASH_SHA256
};
LIBSSH_API int ssh_get_publickey_hash(const ssh_key key,
enum ssh_publickey_hash_type type,
unsigned char **hash,
size_t *hlen);
/* DEPRECATED FUNCTIONS */
SSH_DEPRECATED LIBSSH_API int ssh_get_pubkey_hash(ssh_session session, unsigned char **hash);
SSH_DEPRECATED LIBSSH_API ssh_channel ssh_forward_accept(ssh_session session, int timeout_ms);
SSH_DEPRECATED LIBSSH_API int ssh_forward_cancel(ssh_session session, const char *address, int port);
SSH_DEPRECATED LIBSSH_API int ssh_forward_listen(ssh_session session, const char *address, int port, int *bound_port);
SSH_DEPRECATED LIBSSH_API int ssh_get_publickey(ssh_session session, ssh_key *key);
SSH_DEPRECATED LIBSSH_API int ssh_write_knownhost(ssh_session session);
SSH_DEPRECATED LIBSSH_API char *ssh_dump_knownhost(ssh_session session);
SSH_DEPRECATED LIBSSH_API int ssh_is_server_known(ssh_session session);
LIBSSH_API int ssh_get_random(void *where,int len,int strong);
LIBSSH_API int ssh_get_version(ssh_session session);
LIBSSH_API int ssh_get_status(ssh_session session);
LIBSSH_API int ssh_get_poll_flags(ssh_session session);
LIBSSH_API int ssh_init(void);
LIBSSH_API int ssh_is_blocking(ssh_session session);
LIBSSH_API int ssh_is_connected(ssh_session session);
/* KNOWN HOSTS */
LIBSSH_API void ssh_knownhosts_entry_free(struct ssh_knownhosts_entry *entry);
#define SSH_KNOWNHOSTS_ENTRY_FREE(e) do { \
if ((e) != NULL) { \
ssh_knownhosts_entry_free(e); \
e = NULL; \
} \
} while(0)
LIBSSH_API int ssh_known_hosts_parse_line(const char *host,
const char *line,
struct ssh_knownhosts_entry **entry);
LIBSSH_API enum ssh_known_hosts_e ssh_session_has_known_hosts_entry(ssh_session session);
LIBSSH_API int ssh_session_export_known_hosts_entry(ssh_session session,
char **pentry_string);
LIBSSH_API int ssh_session_update_known_hosts(ssh_session session);
LIBSSH_API enum ssh_known_hosts_e
ssh_session_get_known_hosts_entry(ssh_session session,
struct ssh_knownhosts_entry **pentry);
LIBSSH_API enum ssh_known_hosts_e ssh_session_is_known_server(ssh_session session);
/* LOGGING */
LIBSSH_API int ssh_set_log_level(int level);
LIBSSH_API int ssh_get_log_level(void);
LIBSSH_API void *ssh_get_log_userdata(void);
LIBSSH_API int ssh_set_log_userdata(void *data);
LIBSSH_API void _ssh_log(int verbosity,
const char *function,
const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
/* legacy */
SSH_DEPRECATED LIBSSH_API void ssh_log(ssh_session session,
int prioriry,
const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
LIBSSH_API ssh_channel ssh_message_channel_request_open_reply_accept(ssh_message msg);
LIBSSH_API int ssh_message_channel_request_reply_success(ssh_message msg);
#define SSH_MESSAGE_FREE(x) \
do { if ((x) != NULL) { ssh_message_free(x); (x) = NULL; } } while(0)
LIBSSH_API void ssh_message_free(ssh_message msg);
LIBSSH_API ssh_message ssh_message_get(ssh_session session);
LIBSSH_API int ssh_message_subtype(ssh_message msg);
LIBSSH_API int ssh_message_type(ssh_message msg);
LIBSSH_API int ssh_mkdir (const char *pathname, mode_t mode);
LIBSSH_API ssh_session ssh_new(void);
LIBSSH_API int ssh_options_copy(ssh_session src, ssh_session *dest);
LIBSSH_API int ssh_options_getopt(ssh_session session, int *argcptr, char **argv);
LIBSSH_API int ssh_options_parse_config(ssh_session session, const char *filename);
LIBSSH_API int ssh_options_set(ssh_session session, enum ssh_options_e type,
const void *value);
LIBSSH_API int ssh_options_get(ssh_session session, enum ssh_options_e type,
char **value);
LIBSSH_API int ssh_options_get_port(ssh_session session, unsigned int * port_target);
LIBSSH_API int ssh_pcap_file_close(ssh_pcap_file pcap);
LIBSSH_API void ssh_pcap_file_free(ssh_pcap_file pcap);
LIBSSH_API ssh_pcap_file ssh_pcap_file_new(void);
LIBSSH_API int ssh_pcap_file_open(ssh_pcap_file pcap, const char *filename);
/**
* @brief SSH authentication callback.
*
* @param prompt Prompt to be displayed.
* @param buf Buffer to save the password. You should null-terminate it.
* @param len Length of the buffer.
* @param echo Enable or disable the echo of what you type.
* @param verify Should the password be verified?
* @param userdata Userdata to be passed to the callback function. Useful
* for GUI applications.
*
* @return 0 on success, < 0 on error.
*/
typedef int (*ssh_auth_callback) (const char *prompt, char *buf, size_t len,
int echo, int verify, void *userdata);
LIBSSH_API ssh_key ssh_key_new(void);
#define SSH_KEY_FREE(x) \
do { if ((x) != NULL) { ssh_key_free(x); x = NULL; } } while(0)
LIBSSH_API void ssh_key_free (ssh_key key);
LIBSSH_API enum ssh_keytypes_e ssh_key_type(const ssh_key key);
LIBSSH_API const char *ssh_key_type_to_char(enum ssh_keytypes_e type);
LIBSSH_API enum ssh_keytypes_e ssh_key_type_from_name(const char *name);
LIBSSH_API int ssh_key_is_public(const ssh_key k);
LIBSSH_API int ssh_key_is_private(const ssh_key k);
LIBSSH_API int ssh_key_cmp(const ssh_key k1,
const ssh_key k2,
enum ssh_keycmp_e what);
LIBSSH_API int ssh_pki_generate(enum ssh_keytypes_e type, int parameter,
ssh_key *pkey);
LIBSSH_API int ssh_pki_import_privkey_base64(const char *b64_key,
const char *passphrase,
ssh_auth_callback auth_fn,
void *auth_data,
ssh_key *pkey);
LIBSSH_API int ssh_pki_export_privkey_base64(const ssh_key privkey,
const char *passphrase,
ssh_auth_callback auth_fn,
void *auth_data,
char **b64_key);
LIBSSH_API int ssh_pki_import_privkey_file(const char *filename,
const char *passphrase,
ssh_auth_callback auth_fn,
void *auth_data,
ssh_key *pkey);
LIBSSH_API int ssh_pki_export_privkey_file(const ssh_key privkey,
const char *passphrase,
ssh_auth_callback auth_fn,
void *auth_data,
const char *filename);
LIBSSH_API int ssh_pki_copy_cert_to_privkey(const ssh_key cert_key,
ssh_key privkey);
LIBSSH_API int ssh_pki_import_pubkey_base64(const char *b64_key,
enum ssh_keytypes_e type,
ssh_key *pkey);
LIBSSH_API int ssh_pki_import_pubkey_file(const char *filename,
ssh_key *pkey);
LIBSSH_API int ssh_pki_import_cert_base64(const char *b64_cert,
enum ssh_keytypes_e type,
ssh_key *pkey);
LIBSSH_API int ssh_pki_import_cert_file(const char *filename,
ssh_key *pkey);
LIBSSH_API int ssh_pki_export_privkey_to_pubkey(const ssh_key privkey,
ssh_key *pkey);
LIBSSH_API int ssh_pki_export_pubkey_base64(const ssh_key key,
char **b64_key);
LIBSSH_API int ssh_pki_export_pubkey_file(const ssh_key key,
const char *filename);
LIBSSH_API const char *ssh_pki_key_ecdsa_name(const ssh_key key);
LIBSSH_API char *ssh_get_fingerprint_hash(enum ssh_publickey_hash_type type,
unsigned char *hash,
size_t len);
LIBSSH_API void ssh_print_hash(enum ssh_publickey_hash_type type, unsigned char *hash, size_t len);
LIBSSH_API void ssh_print_hexa(const char *descr, const unsigned char *what, size_t len);
LIBSSH_API int ssh_send_ignore (ssh_session session, const char *data);
LIBSSH_API int ssh_send_debug (ssh_session session, const char *message, int always_display);
LIBSSH_API void ssh_gssapi_set_creds(ssh_session session, const ssh_gssapi_creds creds);
LIBSSH_API int ssh_scp_accept_request(ssh_scp scp);
LIBSSH_API int ssh_scp_close(ssh_scp scp);
LIBSSH_API int ssh_scp_deny_request(ssh_scp scp, const char *reason);
LIBSSH_API void ssh_scp_free(ssh_scp scp);
LIBSSH_API int ssh_scp_init(ssh_scp scp);
LIBSSH_API int ssh_scp_leave_directory(ssh_scp scp);
LIBSSH_API ssh_scp ssh_scp_new(ssh_session session, int mode, const char *location);
LIBSSH_API int ssh_scp_pull_request(ssh_scp scp);
LIBSSH_API int ssh_scp_push_directory(ssh_scp scp, const char *dirname, int mode);
LIBSSH_API int ssh_scp_push_file(ssh_scp scp, const char *filename, size_t size, int perms);
LIBSSH_API int ssh_scp_push_file64(ssh_scp scp, const char *filename, uint64_t size, int perms);
LIBSSH_API int ssh_scp_read(ssh_scp scp, void *buffer, size_t size);
LIBSSH_API const char *ssh_scp_request_get_filename(ssh_scp scp);
LIBSSH_API int ssh_scp_request_get_permissions(ssh_scp scp);
LIBSSH_API size_t ssh_scp_request_get_size(ssh_scp scp);
LIBSSH_API uint64_t ssh_scp_request_get_size64(ssh_scp scp);
LIBSSH_API const char *ssh_scp_request_get_warning(ssh_scp scp);
LIBSSH_API int ssh_scp_write(ssh_scp scp, const void *buffer, size_t len);
LIBSSH_API int ssh_select(ssh_channel *channels, ssh_channel *outchannels, socket_t maxfd,
fd_set *readfds, struct timeval *timeout);
LIBSSH_API int ssh_service_request(ssh_session session, const char *service);
LIBSSH_API int ssh_set_agent_channel(ssh_session session, ssh_channel channel);
LIBSSH_API int ssh_set_agent_socket(ssh_session session, socket_t fd);
LIBSSH_API void ssh_set_blocking(ssh_session session, int blocking);
LIBSSH_API void ssh_set_counters(ssh_session session, ssh_counter scounter,
ssh_counter rcounter);
LIBSSH_API void ssh_set_fd_except(ssh_session session);
LIBSSH_API void ssh_set_fd_toread(ssh_session session);
LIBSSH_API void ssh_set_fd_towrite(ssh_session session);
LIBSSH_API void ssh_silent_disconnect(ssh_session session);
LIBSSH_API int ssh_set_pcap_file(ssh_session session, ssh_pcap_file pcapfile);
/* USERAUTH */
LIBSSH_API int ssh_userauth_none(ssh_session session, const char *username);
LIBSSH_API int ssh_userauth_list(ssh_session session, const char *username);
LIBSSH_API int ssh_userauth_try_publickey(ssh_session session,
const char *username,
const ssh_key pubkey);
LIBSSH_API int ssh_userauth_publickey(ssh_session session,
const char *username,
const ssh_key privkey);
#ifndef _WIN32
LIBSSH_API int ssh_userauth_agent(ssh_session session,
const char *username);
#endif
LIBSSH_API int ssh_userauth_publickey_auto(ssh_session session,
const char *username,
const char *passphrase);
LIBSSH_API int ssh_userauth_password(ssh_session session,
const char *username,
const char *password);
LIBSSH_API int ssh_userauth_kbdint(ssh_session session, const char *user, const char *submethods);
LIBSSH_API const char *ssh_userauth_kbdint_getinstruction(ssh_session session);
LIBSSH_API const char *ssh_userauth_kbdint_getname(ssh_session session);
LIBSSH_API int ssh_userauth_kbdint_getnprompts(ssh_session session);
LIBSSH_API const char *ssh_userauth_kbdint_getprompt(ssh_session session, unsigned int i, char *echo);
LIBSSH_API int ssh_userauth_kbdint_getnanswers(ssh_session session);
LIBSSH_API const char *ssh_userauth_kbdint_getanswer(ssh_session session, unsigned int i);
LIBSSH_API int ssh_userauth_kbdint_setanswer(ssh_session session, unsigned int i,
const char *answer);
LIBSSH_API int ssh_userauth_gssapi(ssh_session session);
LIBSSH_API const char *ssh_version(int req_version);
LIBSSH_API void ssh_string_burn(ssh_string str);
LIBSSH_API ssh_string ssh_string_copy(ssh_string str);
LIBSSH_API void *ssh_string_data(ssh_string str);
LIBSSH_API int ssh_string_fill(ssh_string str, const void *data, size_t len);
#define SSH_STRING_FREE(x) \
do { if ((x) != NULL) { ssh_string_free(x); x = NULL; } } while(0)
LIBSSH_API void ssh_string_free(ssh_string str);
LIBSSH_API ssh_string ssh_string_from_char(const char *what);
LIBSSH_API size_t ssh_string_len(ssh_string str);
LIBSSH_API ssh_string ssh_string_new(size_t size);
LIBSSH_API const char *ssh_string_get_char(ssh_string str);
LIBSSH_API char *ssh_string_to_char(ssh_string str);
#define SSH_STRING_FREE_CHAR(x) \
do { if ((x) != NULL) { ssh_string_free_char(x); x = NULL; } } while(0)
LIBSSH_API void ssh_string_free_char(char *s);
LIBSSH_API int ssh_getpass(const char *prompt, char *buf, size_t len, int echo,
int verify);
typedef int (*ssh_event_callback)(socket_t fd, int revents, void *userdata);
LIBSSH_API ssh_event ssh_event_new(void);
LIBSSH_API int ssh_event_add_fd(ssh_event event, socket_t fd, short events,
ssh_event_callback cb, void *userdata);
LIBSSH_API int ssh_event_add_session(ssh_event event, ssh_session session);
LIBSSH_API int ssh_event_add_connector(ssh_event event, ssh_connector connector);
LIBSSH_API int ssh_event_dopoll(ssh_event event, int timeout);
LIBSSH_API int ssh_event_remove_fd(ssh_event event, socket_t fd);
LIBSSH_API int ssh_event_remove_session(ssh_event event, ssh_session session);
LIBSSH_API int ssh_event_remove_connector(ssh_event event, ssh_connector connector);
LIBSSH_API void ssh_event_free(ssh_event event);
LIBSSH_API const char* ssh_get_clientbanner(ssh_session session);
LIBSSH_API const char* ssh_get_serverbanner(ssh_session session);
LIBSSH_API const char* ssh_get_kex_algo(ssh_session session);
LIBSSH_API const char* ssh_get_cipher_in(ssh_session session);
LIBSSH_API const char* ssh_get_cipher_out(ssh_session session);
LIBSSH_API const char* ssh_get_hmac_in(ssh_session session);
LIBSSH_API const char* ssh_get_hmac_out(ssh_session session);
LIBSSH_API ssh_buffer ssh_buffer_new(void);
LIBSSH_API void ssh_buffer_free(ssh_buffer buffer);
#define SSH_BUFFER_FREE(x) \
do { if ((x) != NULL) { ssh_buffer_free(x); x = NULL; } } while(0)
LIBSSH_API int ssh_buffer_reinit(ssh_buffer buffer);
LIBSSH_API int ssh_buffer_add_data(ssh_buffer buffer, const void *data, uint32_t len);
LIBSSH_API uint32_t ssh_buffer_get_data(ssh_buffer buffer, void *data, uint32_t requestedlen);
LIBSSH_API void *ssh_buffer_get(ssh_buffer buffer);
LIBSSH_API uint32_t ssh_buffer_get_len(ssh_buffer buffer);
#ifndef LIBSSH_LEGACY_0_4
#include "libssh/legacy.h"
#endif
#ifdef __cplusplus
}
#endif
#endif /* _LIBSSH_H */
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