24 #if defined _WIN32 || defined __CYGWIN__ 30 #define LIBSSH_API __attribute__((dllexport)) 32 #define LIBSSH_API __declspec(dllexport) 36 #define LIBSSH_API __attribute__((dllimport)) 38 #define LIBSSH_API __declspec(dllimport) 43 #if __GNUC__ >= 4 && !defined(__OS2__) 44 #define LIBSSH_API __attribute__((visibility("default"))) 53 typedef unsigned int uint32_t;
54 typedef unsigned short uint16_t;
55 typedef unsigned char uint8_t;
56 typedef unsigned long long uint64_t;
61 #include <sys/types.h> 67 #include <sys/select.h> 71 #define SSH_STRINGIFY(s) SSH_TOSTRING(s) 72 #define SSH_TOSTRING(s) #s 75 #define SSH_VERSION_INT(a, b, c) ((a) << 16 | (b) << 8 | (c)) 76 #define SSH_VERSION_DOT(a, b, c) a ##.## b ##.## c 77 #define SSH_VERSION(a, b, c) SSH_VERSION_DOT(a, b, c) 80 #define LIBSSH_VERSION_MAJOR 0 81 #define LIBSSH_VERSION_MINOR 7 82 #define LIBSSH_VERSION_MICRO 0 84 #define LIBSSH_VERSION_INT SSH_VERSION_INT(LIBSSH_VERSION_MAJOR, \ 85 LIBSSH_VERSION_MINOR, \ 87 #define LIBSSH_VERSION SSH_VERSION(LIBSSH_VERSION_MAJOR, \ 88 LIBSSH_VERSION_MINOR, \ 93 #define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b))) 95 #define PRINTF_ATTRIBUTE(a,b) 99 #define SSH_DEPRECATED __attribute__ ((deprecated)) 101 #define SSH_DEPRECATED 108 struct ssh_counter_struct {
112 uint64_t out_packets;
114 typedef struct ssh_counter_struct *ssh_counter;
116 typedef struct ssh_agent_struct* ssh_agent;
117 typedef struct ssh_buffer_struct* ssh_buffer;
118 typedef struct ssh_channel_struct* ssh_channel;
119 typedef struct ssh_message_struct* ssh_message;
120 typedef struct ssh_pcap_file_struct* ssh_pcap_file;
121 typedef struct ssh_key_struct* ssh_key;
122 typedef struct ssh_scp_struct* ssh_scp;
123 typedef struct ssh_session_struct* ssh_session;
124 typedef struct ssh_string_struct* ssh_string;
125 typedef struct ssh_event_struct* ssh_event;
126 typedef struct ssh_connector_struct * ssh_connector;
127 typedef void* ssh_gssapi_creds;
132 typedef SOCKET socket_t;
136 typedef int socket_t;
140 #define SSH_INVALID_SOCKET ((socket_t) -1) 143 enum ssh_kex_types_e {
171 #define SSH_AUTH_METHOD_UNKNOWN 0 172 #define SSH_AUTH_METHOD_NONE 0x0001 173 #define SSH_AUTH_METHOD_PASSWORD 0x0002 174 #define SSH_AUTH_METHOD_PUBLICKEY 0x0004 175 #define SSH_AUTH_METHOD_HOSTBASED 0x0008 176 #define SSH_AUTH_METHOD_INTERACTIVE 0x0010 177 #define SSH_AUTH_METHOD_GSSAPI_MIC 0x0020 180 enum ssh_requests_e {
182 SSH_REQUEST_CHANNEL_OPEN,
188 enum ssh_channel_type_e {
189 SSH_CHANNEL_UNKNOWN=0,
191 SSH_CHANNEL_DIRECT_TCPIP,
192 SSH_CHANNEL_FORWARDED_TCPIP,
194 SSH_CHANNEL_AUTH_AGENT
197 enum ssh_channel_requests_e {
198 SSH_CHANNEL_REQUEST_UNKNOWN=0,
199 SSH_CHANNEL_REQUEST_PTY,
200 SSH_CHANNEL_REQUEST_EXEC,
201 SSH_CHANNEL_REQUEST_SHELL,
202 SSH_CHANNEL_REQUEST_ENV,
203 SSH_CHANNEL_REQUEST_SUBSYSTEM,
204 SSH_CHANNEL_REQUEST_WINDOW_CHANGE,
205 SSH_CHANNEL_REQUEST_X11
208 enum ssh_global_requests_e {
209 SSH_GLOBAL_REQUEST_UNKNOWN=0,
210 SSH_GLOBAL_REQUEST_TCPIP_FORWARD,
211 SSH_GLOBAL_REQUEST_CANCEL_TCPIP_FORWARD,
212 SSH_GLOBAL_REQUEST_KEEPALIVE
215 enum ssh_publickey_state_e {
216 SSH_PUBLICKEY_STATE_ERROR=-1,
217 SSH_PUBLICKEY_STATE_NONE=0,
218 SSH_PUBLICKEY_STATE_VALID=1,
219 SSH_PUBLICKEY_STATE_WRONG=2
224 #define SSH_CLOSED 0x01 226 #define SSH_READ_PENDING 0x02 228 #define SSH_CLOSED_ERROR 0x04 230 #define SSH_WRITE_PENDING 0x08 232 enum ssh_server_known_e {
234 SSH_SERVER_NOT_KNOWN=0,
236 SSH_SERVER_KNOWN_CHANGED,
237 SSH_SERVER_FOUND_OTHER,
238 SSH_SERVER_FILE_NOT_FOUND
241 #ifndef MD5_DIGEST_LEN 242 #define MD5_DIGEST_LEN 16 246 enum ssh_error_types_e {
255 SSH_KEYTYPE_UNKNOWN=0,
261 SSH_KEYTYPE_DSS_CERT01,
262 SSH_KEYTYPE_RSA_CERT01
266 SSH_KEY_CMP_PUBLIC = 0,
300 #define SSH_LOG_RARE SSH_LOG_WARNING 310 #define SSH_LOG_NONE 0 312 #define SSH_LOG_WARN 1 314 #define SSH_LOG_INFO 2 316 #define SSH_LOG_DEBUG 3 318 #define SSH_LOG_TRACE 4 325 SSH_OPTIONS_PORT_STR,
329 SSH_OPTIONS_IDENTITY,
330 SSH_OPTIONS_ADD_IDENTITY,
331 SSH_OPTIONS_KNOWNHOSTS,
333 SSH_OPTIONS_TIMEOUT_USEC,
336 SSH_OPTIONS_LOG_VERBOSITY,
337 SSH_OPTIONS_LOG_VERBOSITY_STR,
338 SSH_OPTIONS_CIPHERS_C_S,
339 SSH_OPTIONS_CIPHERS_S_C,
340 SSH_OPTIONS_COMPRESSION_C_S,
341 SSH_OPTIONS_COMPRESSION_S_C,
342 SSH_OPTIONS_PROXYCOMMAND,
343 SSH_OPTIONS_BINDADDR,
344 SSH_OPTIONS_STRICTHOSTKEYCHECK,
345 SSH_OPTIONS_COMPRESSION,
346 SSH_OPTIONS_COMPRESSION_LEVEL,
347 SSH_OPTIONS_KEY_EXCHANGE,
348 SSH_OPTIONS_HOSTKEYS,
349 SSH_OPTIONS_GSSAPI_SERVER_IDENTITY,
350 SSH_OPTIONS_GSSAPI_CLIENT_IDENTITY,
351 SSH_OPTIONS_GSSAPI_DELEGATE_CREDENTIALS,
352 SSH_OPTIONS_HMAC_C_S,
353 SSH_OPTIONS_HMAC_S_C,
361 SSH_SCP_RECURSIVE=0x10
364 enum ssh_scp_request_types {
366 SSH_SCP_REQUEST_NEWDIR=1,
368 SSH_SCP_REQUEST_NEWFILE,
372 SSH_SCP_REQUEST_ENDDIR,
374 SSH_SCP_REQUEST_WARNING
377 enum ssh_connector_flags_e {
379 SSH_CONNECTOR_STDOUT = 1,
381 SSH_CONNECTOR_STDERR = 2,
383 SSH_CONNECTOR_BOTH = 3
399 int remoteport,
const char *sourcehost,
int localport);
404 LIBSSH_API
int ssh_channel_read(ssh_channel channel,
void *dest, uint32_t count,
int is_stderr);
405 LIBSSH_API
int ssh_channel_read_timeout(ssh_channel channel,
void *dest, uint32_t count,
int is_stderr,
int timeout_ms);
415 LIBSSH_API
int ssh_channel_request_sftp(ssh_channel channel);
418 const char *cookie,
int screen_number);
421 LIBSSH_API
int ssh_channel_select(ssh_channel *readchans, ssh_channel *writechans, ssh_channel *exceptchans,
struct 425 ssh_counter counter);
426 LIBSSH_API
int ssh_channel_write(ssh_channel channel,
const void *data, uint32_t len);
436 LIBSSH_API ssh_connector ssh_connector_new(ssh_session session);
437 LIBSSH_API
void ssh_connector_free(ssh_connector connector);
438 LIBSSH_API
int ssh_connector_set_in_channel(ssh_connector connector,
440 enum ssh_connector_flags_e flags);
441 LIBSSH_API
int ssh_connector_set_out_channel(ssh_connector connector,
443 enum ssh_connector_flags_e flags);
444 LIBSSH_API
void ssh_connector_set_in_fd(ssh_connector connector, socket_t fd);
445 LIBSSH_API
void ssh_connector_set_out_fd(ssh_connector connector, socket_t fd);
447 LIBSSH_API
const char *ssh_copyright(
void);
455 int *destination_port);
464 LIBSSH_API
void ssh_free(ssh_session session);
468 LIBSSH_API socket_t
ssh_get_fd(ssh_session session);
469 LIBSSH_API
char *
ssh_get_hexa(
const unsigned char *what,
size_t len);
475 enum ssh_publickey_hash_type {
476 SSH_PUBLICKEY_HASH_SHA1,
477 SSH_PUBLICKEY_HASH_MD5
480 enum ssh_publickey_hash_type type,
481 unsigned char **hash,
485 SSH_DEPRECATED LIBSSH_API
int ssh_get_pubkey_hash(ssh_session session,
unsigned char **hash);
486 SSH_DEPRECATED LIBSSH_API ssh_channel ssh_forward_accept(ssh_session session,
int timeout_ms);
487 SSH_DEPRECATED LIBSSH_API
int ssh_forward_cancel(ssh_session session,
const char *address,
int port);
488 SSH_DEPRECATED LIBSSH_API
int ssh_forward_listen(ssh_session session,
const char *address,
int port,
int *bound_port);
489 SSH_DEPRECATED LIBSSH_API
int ssh_get_publickey(ssh_session session, ssh_key *key);
492 LIBSSH_API
int ssh_get_random(
void *where,
int len,
int strong);
506 LIBSSH_API
void _ssh_log(
int verbosity,
507 const char *
function,
508 const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
511 SSH_DEPRECATED LIBSSH_API
void ssh_log(ssh_session session,
513 const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
515 LIBSSH_API ssh_channel ssh_message_channel_request_open_reply_accept(ssh_message msg);
516 LIBSSH_API
int ssh_message_channel_request_reply_success(ssh_message msg);
521 LIBSSH_API
int ssh_mkdir (
const char *pathname, mode_t mode);
522 LIBSSH_API ssh_session
ssh_new(
void);
527 LIBSSH_API
int ssh_options_set(ssh_session session,
enum ssh_options_e type,
529 LIBSSH_API
int ssh_options_get(ssh_session session,
enum ssh_options_e type,
532 LIBSSH_API
int ssh_pcap_file_close(ssh_pcap_file pcap);
533 LIBSSH_API
void ssh_pcap_file_free(ssh_pcap_file pcap);
534 LIBSSH_API ssh_pcap_file ssh_pcap_file_new(
void);
535 LIBSSH_API
int ssh_pcap_file_open(ssh_pcap_file pcap,
const char *filename);
550 typedef int (*ssh_auth_callback) (
const char *prompt,
char *buf,
size_t len,
551 int echo,
int verify,
void *userdata);
555 LIBSSH_API
enum ssh_keytypes_e
ssh_key_type(
const ssh_key key);
562 enum ssh_keycmp_e what);
567 const char *passphrase,
568 ssh_auth_callback auth_fn,
572 const char *passphrase,
573 ssh_auth_callback auth_fn,
577 const char *passphrase,
578 ssh_auth_callback auth_fn,
580 const char *filename);
586 enum ssh_keytypes_e type,
592 enum ssh_keytypes_e type,
601 LIBSSH_API
int ssh_pki_export_pubkey_file(
const ssh_key key,
602 const char *filename);
606 LIBSSH_API
void ssh_print_hexa(
const char *descr,
const unsigned char *what,
size_t len);
607 LIBSSH_API
int ssh_send_ignore (ssh_session session,
const char *data);
608 LIBSSH_API
int ssh_send_debug (ssh_session session,
const char *message,
int always_display);
609 LIBSSH_API
void ssh_gssapi_set_creds(ssh_session session,
const ssh_gssapi_creds creds);
616 LIBSSH_API ssh_scp
ssh_scp_new(ssh_session session,
int mode,
const char *location);
619 LIBSSH_API
int ssh_scp_push_file(ssh_scp scp,
const char *filename,
size_t size,
int perms);
620 LIBSSH_API
int ssh_scp_push_file64(ssh_scp scp,
const char *filename, uint64_t size,
int perms);
621 LIBSSH_API
int ssh_scp_read(ssh_scp scp,
void *buffer,
size_t size);
627 LIBSSH_API
int ssh_scp_write(ssh_scp scp,
const void *buffer,
size_t len);
628 LIBSSH_API
int ssh_select(ssh_channel *channels, ssh_channel *outchannels, socket_t maxfd,
629 fd_set *readfds,
struct timeval *timeout);
630 LIBSSH_API
int ssh_service_request(ssh_session session,
const char *service);
631 LIBSSH_API
int ssh_set_agent_channel(ssh_session session, ssh_channel channel);
632 LIBSSH_API
int ssh_set_agent_socket(ssh_session session, socket_t fd);
635 ssh_counter rcounter);
640 LIBSSH_API
int ssh_set_pcap_file(ssh_session session, ssh_pcap_file pcapfile);
646 const char *username,
647 const ssh_key pubkey);
649 const char *username,
650 const ssh_key privkey);
653 const char *username);
656 const char *username,
657 const char *passphrase);
659 const char *username,
660 const char *password);
662 LIBSSH_API
int ssh_userauth_kbdint(ssh_session session,
const char *user,
const char *submethods);
672 LIBSSH_API
const char *
ssh_version(
int req_version);
679 LIBSSH_API
int ssh_string_fill(ssh_string str,
const void *data,
size_t len);
688 LIBSSH_API
int ssh_getpass(
const char *prompt,
char *buf,
size_t len,
int echo,
692 typedef int (*ssh_event_callback)(socket_t fd,
int revents,
void *userdata);
696 ssh_event_callback cb,
void *userdata);
716 LIBSSH_API uint32_t
ssh_buffer_get_data(ssh_buffer buffer,
void *data, uint32_t requestedlen);
720 #ifndef LIBSSH_LEGACY_0_4 721 #include "libssh/legacy.h" int ssh_set_log_userdata(void *data)
Set the userdata for the logging function.
Definition: log.c:235
void * ssh_get_log_userdata(void)
Get the userdata of the logging function.
Definition: log.c:219
int ssh_pki_export_privkey_to_pubkey(const ssh_key privkey, ssh_key *pkey)
Create a public key from a private key.
Definition: pki.c:1231
int ssh_userauth_kbdint(ssh_session session, const char *user, const char *submethods)
Try to authenticate through the "keyboard-interactive" method.
Definition: auth.c:1540
int ssh_scp_init(ssh_scp scp)
Initialize the scp channel.
Definition: scp.c:95
int ssh_channel_read_timeout(ssh_channel channel, void *dest, uint32_t count, int is_stderr, int timeout_ms)
Reads data from a channel.
Definition: channels.c:2678
int ssh_options_get(ssh_session session, enum ssh_options_e type, char **value)
This function can get ssh options, it does not support all options provided for ssh options set...
Definition: options.c:952
int ssh_get_pubkey_hash(ssh_session session, unsigned char **hash)
Definition: dh.c:925
char * ssh_string_to_char(struct ssh_string_struct *s)
Convert a SSH string to a C nul-terminated string.
Definition: string.c:176
int ssh_channel_select(ssh_channel *readchans, ssh_channel *writechans, ssh_channel *exceptchans, struct timeval *timeout)
Act like the standard select(2) on channels.
Definition: channels.c:3072
int ssh_options_parse_config(ssh_session session, const char *filename)
Parse the ssh config file.
Definition: options.c:1214
int ssh_channel_request_x11(ssh_channel channel, int single_connection, const char *protocol, const char *cookie, int screen_number)
Sends the "x11-req" channel request over an existing session channel.
Definition: channels.c:1896
const char * ssh_key_type_to_char(enum ssh_keytypes_e type)
Convert a key type to a string.
Definition: pki.c:191
int ssh_channel_request_shell(ssh_channel channel)
Request a shell.
Definition: channels.c:1786
int ssh_init(void)
Initialize global cryptographic data structures.
Definition: init.c:53
int ssh_message_type(ssh_message msg)
Get the type of the message.
Definition: messages.c:509
int ssh_send_debug(ssh_session session, const char *message, int always_display)
Send a debug message.
Definition: session.c:882
const char * ssh_get_cipher_in(ssh_session session)
get the name of the input cipher for the given session.
Definition: session.c:380
int ssh_channel_open_forward(ssh_channel channel, const char *remotehost, int remoteport, const char *sourcehost, int localport)
Open a TCP/IP forwarding channel.
Definition: channels.c:949
int ssh_channel_is_eof(ssh_channel channel)
Check if remote has sent an EOF.
Definition: channels.c:1444
int ssh_set_log_level(int level)
Set the log level of the library.
Definition: log.c:181
int ssh_channel_send_eof(ssh_channel channel)
Send an end of file on the channel.
Definition: channels.c:1080
void ssh_buffer_free(struct ssh_buffer_struct *buffer)
Deallocate a SSH buffer.
Definition: buffer.c:102
void ssh_scp_free(ssh_scp scp)
Free a scp context.
Definition: scp.c:199
void ssh_clean_pubkey_hash(unsigned char **hash)
Deallocate the hash obtained by ssh_get_pubkey_hash.
Definition: dh.c:971
int ssh_channel_close(ssh_channel channel)
Close a channel.
Definition: channels.c:1132
int ssh_pki_export_privkey_file(const ssh_key privkey, const char *passphrase, ssh_auth_callback auth_fn, void *auth_data, const char *filename)
Export a private key to a pem file on disk, or OpenSSH format for keytype ssh-ed25519.
Definition: pki.c:554
void ssh_set_fd_toread(ssh_session session)
Tell the session it has data to read on the file descriptor without blocking.
Definition: session.c:555
int ssh_key_is_public(const ssh_key k)
Check if the key has/is a public key.
Definition: pki.c:263
uint32_t ssh_channel_window_size(ssh_channel channel)
Get the remote window size.
Definition: channels.c:1384
int ssh_scp_leave_directory(ssh_scp scp)
Leave a directory.
Definition: scp.c:271
int ssh_event_remove_connector(ssh_event event, ssh_connector connector)
Remove a connector from an event context.
Definition: poll.c:992
ssh_string ssh_string_new(size_t size)
Create a new SSH String object.
Definition: string.c:53
int ssh_scp_deny_request(ssh_scp scp, const char *reason)
Deny the transfer of a file or creation of a directory coming from the remote party.
Definition: scp.c:644
int ssh_key_is_private(const ssh_key k)
Check if the key is a private key.
Definition: pki.c:278
int ssh_get_openssh_version(ssh_session session)
Get the version of the OpenSSH server, if it is not an OpenSSH server then 0 will be returned...
Definition: client.c:675
int ssh_channel_open_auth_agent(ssh_channel channel)
Open an agent authentication forwarding channel.
Definition: channels.c:905
const char * ssh_version(int req_version)
Check if libssh is the required version or get the version string.
Definition: misc.c:350
ssh_message ssh_message_get(ssh_session session)
Retrieve a SSH message from a SSH session.
Definition: messages.c:482
int ssh_userauth_list(ssh_session session, const char *username)
Get available authentication methods from the server.
Definition: auth.c:318
const char * ssh_get_error(void *error)
Retrieve the error text message from the last error.
Definition: error.c:111
Lower level protocol infomations, packet level.
Definition: libssh.h:294
int ssh_channel_write(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel.
Definition: channels.c:1401
int ssh_scp_accept_request(ssh_scp scp)
Accepts transfer of a file or creation of a directory coming from the remote party.
Definition: scp.c:673
int ssh_event_add_session(ssh_event event, ssh_session session)
remove the poll handle from session and assign them to a event, when used in blocking mode...
Definition: poll.c:814
int ssh_pki_export_pubkey_base64(const ssh_key key, char **b64_key)
Convert a public key to a base64 encoded key.
Definition: pki.c:1299
int ssh_channel_request_pty_size(ssh_channel channel, const char *term, int cols, int rows)
Request a pty with a specific type and size.
Definition: channels.c:1650
int ssh_channel_request_subsystem(ssh_channel channel, const char *subsystem)
Request a subsystem (for example "sftp").
Definition: channels.c:1812
int ssh_pki_generate(enum ssh_keytypes_e type, int parameter, ssh_key *pkey)
Generates a keypair.
Definition: pki.c:1164
ssh_string ssh_string_from_char(const char *what)
Create a ssh string using a C string.
Definition: string.c:103
int ssh_getpass(const char *prompt, char *buf, size_t len, int echo, int verify)
Get a password from the console.
Definition: getpass.c:214
int ssh_event_dopoll(ssh_event event, int timeout)
Poll all the sockets and sessions associated through an event object.i.
Definition: poll.c:883
int ssh_get_version(ssh_session session)
Get the protocol version of the session.
Definition: session.c:808
int ssh_channel_request_env(ssh_channel channel, const char *name, const char *value)
Set environment variables.
Definition: channels.c:2349
void ssh_set_fd_except(ssh_session session)
Tell the session it has an exception to catch on the file descriptor.
Definition: session.c:581
uint32_t ssh_buffer_get_len(struct ssh_buffer_struct *buffer)
Get the length of the buffer from the current position.
Definition: buffer.c:455
char * ssh_get_issue_banner(ssh_session session)
Get the issue banner from the server.
Definition: client.c:649
int ssh_buffer_reinit(struct ssh_buffer_struct *buffer)
Reinitialize a SSH buffer.
Definition: buffer.c:193
int ssh_pki_copy_cert_to_privkey(const ssh_key cert_key, ssh_key privkey)
Copy the certificate part of a public key into a private key.
Definition: pki.c:1392
int ssh_string_fill(struct ssh_string_struct *s, const void *data, size_t len)
Fill a string with given data.
Definition: string.c:82
int ssh_userauth_kbdint_getnprompts(ssh_session session)
Get the number of prompts (questions) the server has given.
Definition: auth.c:1588
int ssh_event_add_fd(ssh_event event, socket_t fd, short events, ssh_event_callback cb, void *userdata)
Add a fd to the event and assign it a callback, when used in blocking mode.
Definition: poll.c:745
void ssh_set_counters(ssh_session session, ssh_counter scounter, ssh_counter rcounter)
Set the session data counters.
Definition: session.c:948
int ssh_options_copy(ssh_session src, ssh_session *dest)
Duplicate the options of a session structure.
Definition: options.c:64
const char * ssh_userauth_kbdint_getinstruction(ssh_session session)
Get the "instruction" of the message block.
Definition: auth.c:1631
int ssh_channel_open_session(ssh_channel channel)
Open a session channel (suited for a shell, not TCP forwarding).
Definition: channels.c:872
uint64_t ssh_scp_request_get_size64(ssh_scp scp)
Get the size of the file being pushed from the other party.
Definition: scp.c:789
struct ssh_string_struct * ssh_string_copy(struct ssh_string_struct *s)
Copy a string, return a newly allocated string.
Definition: string.c:216
const char * ssh_string_get_char(struct ssh_string_struct *s)
Get the the string as a C nul-terminated string.
Definition: string.c:155
void * ssh_buffer_get(struct ssh_buffer_struct *buffer)
Get a pointer to the head of a buffer at the current position.
Definition: buffer.c:442
int ssh_userauth_kbdint_getnanswers(ssh_session session)
Get the number of answers the client has given.
Definition: auth.c:1694
void ssh_set_blocking(ssh_session session, int blocking)
Set the session in blocking/nonblocking mode.
Definition: session.c:459
int ssh_channel_is_open(ssh_channel channel)
Check if the channel is open or not.
Definition: channels.c:1414
int ssh_event_add_connector(ssh_event event, ssh_connector connector)
Add a connector to the SSH event loop.
Definition: poll.c:863
enum ssh_keytypes_e ssh_key_type_from_name(const char *name)
Convert a ssh key name to a ssh key type.
Definition: pki.c:222
int ssh_write_knownhost(ssh_session session)
Write the current server as known in the known hosts file.
Definition: known_hosts.c:623
int ssh_channel_is_closed(ssh_channel channel)
Check if the channel is closed or not.
Definition: channels.c:1430
const char * ssh_userauth_kbdint_getanswer(ssh_session session, unsigned int i)
Get the answer for a question from a message block.
Definition: auth.c:1709
void ssh_key_free(ssh_key key)
deallocate a SSH key
Definition: pki.c:164
Only warnings.
Definition: libssh.h:288
Every function path.
Definition: libssh.h:297
ssh_session ssh_channel_get_session(ssh_channel channel)
Recover the session in which belongs a channel.
Definition: channels.c:2933
int ssh_channel_poll_timeout(ssh_channel channel, int timeout, int is_stderr)
Polls a channel for data to read, waiting for a certain timeout.
Definition: channels.c:2892
const char * ssh_pki_key_ecdsa_name(const ssh_key key)
returns the ECDSA key name ("ecdsa-sha2-nistp256" for example)
Definition: pki.c:92
ssh_scp ssh_scp_new(ssh_session session, int mode, const char *location)
Create a new scp session.
Definition: scp.c:60
ssh_buffer ssh_buffer_new(void)
Create a new SSH buffer.
Definition: buffer.c:86
const char * ssh_scp_request_get_filename(ssh_scp scp)
Get the name of the directory or file being pushed from the other party.
Definition: scp.c:754
int ssh_scp_write(ssh_scp scp, const void *buffer, size_t len)
Write into a remote scp file.
Definition: scp.c:437
ssh_event ssh_event_new(void)
Create a new event context.
Definition: poll.c:690
int ssh_channel_poll(ssh_channel channel, int is_stderr)
Polls a channel for data to read.
Definition: channels.c:2840
int ssh_is_connected(ssh_session session)
Check if we are connected.
Definition: session.c:523
int ssh_get_log_level(void)
Get the log level of the library.
Definition: log.c:196
int ssh_get_poll_flags(ssh_session session)
Get poll flags for an external mainloop.
Definition: session.c:763
int ssh_userauth_gssapi(ssh_session session)
Try to authenticate through the "gssapi-with-mic" method.
Definition: auth.c:1786
No logging at all.
Definition: libssh.h:285
ssh_channel ssh_channel_new(ssh_session session)
Allocate a new channel.
Definition: channels.c:79
int ssh_options_set(ssh_session session, enum ssh_options_e type, const void *value)
This function can set all possible ssh options.
Definition: options.c:383
int ssh_options_getopt(ssh_session session, int *argcptr, char **argv)
Parse command line arguments.
Definition: options.c:1024
const char * ssh_userauth_kbdint_getprompt(ssh_session session, unsigned int i, char *echo)
Get a prompt from a message block.
Definition: auth.c:1666
const char * ssh_userauth_kbdint_getname(ssh_session session)
Get the "name" of the message block.
Definition: auth.c:1609
const char * ssh_get_clientbanner(ssh_session session)
get the client banner
Definition: session.c:318
int ssh_event_remove_session(ssh_event event, ssh_session session)
Remove a session object from an event context.
Definition: poll.c:948
ssh_key ssh_key_new(void)
creates a new empty SSH key
Definition: pki.c:106
int ssh_get_server_publickey(ssh_session session, ssh_key *key)
Get the server public key from a session.
Definition: dh.c:988
int ssh_userauth_password(ssh_session session, const char *username, const char *password)
Try to authenticate by password.
Definition: auth.c:1127
int ssh_userauth_publickey_auto(ssh_session session, const char *username, const char *passphrase)
Tries to automatically authenticate with public key and "none".
Definition: auth.c:911
int ssh_userauth_kbdint_setanswer(ssh_session session, unsigned int i, const char *answer)
Set the answer for a question from a message block.
Definition: auth.c:1740
int ssh_userauth_publickey(ssh_session session, const char *username, const ssh_key privkey)
Authenticate with public/private key or certificate.
Definition: auth.c:549
int ssh_pki_import_cert_base64(const char *b64_cert, enum ssh_keytypes_e type, ssh_key *pkey)
Import a base64 formated certificate from a memory c-string.
Definition: pki.c:1104
const char * ssh_get_cipher_out(ssh_session session)
get the name of the output cipher for the given session.
Definition: session.c:396
int ssh_select(ssh_channel *channels, ssh_channel *outchannels, socket_t maxfd, fd_set *readfds, struct timeval *timeout)
A wrapper for the select syscall.
Definition: connect.c:451
socket_t ssh_get_fd(ssh_session session)
Get the fd of a connection.
Definition: session.c:541
int ssh_channel_change_pty_size(ssh_channel channel, int cols, int rows)
Change the size of the terminal associated to a channel.
Definition: channels.c:1739
int ssh_connect(ssh_session session)
Connect to the ssh server.
Definition: client.c:531
enum ssh_keytypes_e ssh_key_type(const ssh_key key)
returns the type of a ssh key
Definition: pki.c:177
void ssh_disconnect(ssh_session session)
Disconnect from a session (client or server).
Definition: client.c:689
int ssh_userauth_none(ssh_session session, const char *username)
Try to authenticate through the "none" method.
Definition: auth.c:354
void ssh_string_free(struct ssh_string_struct *s)
Deallocate a SSH string object.
Definition: string.c:272
int ssh_channel_listen_forward(ssh_session session, const char *address, int port, int *bound_port)
Sends the "tcpip-forward" global request to ask the server to begin listening for inbound connections...
Definition: channels.c:2216
ssh_channel ssh_channel_accept_x11(ssh_channel channel, int timeout_ms)
Accept an X11 forwarding channel.
Definition: channels.c:2012
int ssh_mkdir(const char *pathname, mode_t mode)
Attempts to create a directory with the given pathname.
Definition: misc.c:607
int ssh_blocking_flush(ssh_session session, int timeout)
Blocking flush of the outgoing buffer.
Definition: session.c:498
int ssh_key_cmp(const ssh_key k1, const ssh_key k2, enum ssh_keycmp_e what)
Compare keys if they are equal.
Definition: pki.c:297
int ssh_channel_request_send_signal(ssh_channel channel, const char *signum)
Send a signal to remote process (as described in RFC 4254, section 6.9).
Definition: channels.c:2494
void ssh_set_fd_towrite(ssh_session session)
Tell the session it may write to the file descriptor without blocking.
Definition: session.c:568
void ssh_event_free(ssh_event event)
Free an event context.
Definition: poll.c:1005
High level protocol information.
Definition: libssh.h:291
char * ssh_dump_knownhost(ssh_session session)
Output the current server as a known host line.
Definition: known_hosts.c:526
ssh_channel ssh_channel_accept_forward(ssh_session session, int timeout_ms, int *destination_port)
Accept an incoming TCP/IP forwarding channel and get information about incomming connection.
Definition: channels.c:2279
void ssh_print_hexa(const char *descr, const unsigned char *what, size_t len)
Print a buffer as colon separated hex string.
Definition: dh.c:1155
const char * ssh_scp_request_get_warning(ssh_scp scp)
Get the warning string from a scp handle.
Definition: scp.c:829
int ssh_options_get_port(ssh_session session, unsigned int *port_target)
This function can get ssh the ssh port.
Definition: options.c:885
int ssh_pki_import_cert_file(const char *filename, ssh_key *pkey)
Import a certificate from the given filename.
Definition: pki.c:1143
int ssh_scp_request_get_permissions(ssh_scp scp)
Get the permissions of the directory or file being pushed from the other party.
Definition: scp.c:766
size_t ssh_scp_request_get_size(ssh_scp scp)
Get the size of the file being pushed from the other party.
Definition: scp.c:779
void * ssh_string_data(struct ssh_string_struct *s)
Get the payload of the string.
Definition: string.c:259
uint32_t ssh_buffer_get_data(struct ssh_buffer_struct *buffer, void *data, uint32_t len)
Get the remaining data out of the buffer and adjust the read pointer.
Definition: buffer.c:524
int ssh_channel_open_x11(ssh_channel channel, const char *orig_addr, int orig_port)
Open a X11 channel.
Definition: channels.c:3319
int ssh_scp_read(ssh_scp scp, void *buffer, size_t size)
Read from a remote scp file.
Definition: scp.c:703
char * ssh_basename(const char *path)
basename - parse filename component.
Definition: misc.c:556
int ssh_finalize(void)
Finalize and cleanup all libssh and cryptographic data structures.
Definition: init.c:73
void ssh_string_burn(struct ssh_string_struct *s)
Destroy the data in a string so it couldn't appear in a core dump.
Definition: string.c:244
int ssh_channel_request_exec(ssh_channel channel, const char *cmd)
Run a shell command without an interactive shell.
Definition: channels.c:2419
const char * ssh_get_hmac_out(ssh_session session)
get the name of the output HMAC algorithm for the given session.
Definition: session.c:427
int ssh_channel_request_pty(ssh_channel channel)
Request a PTY.
Definition: channels.c:1720
const char * ssh_get_serverbanner(ssh_session session)
get the server banner
Definition: session.c:333
void ssh_silent_disconnect(ssh_session session)
Disconnect impolitely from a remote host by closing the socket.
Definition: session.c:442
const char * ssh_get_disconnect_message(ssh_session session)
Get the disconnect message from the server.
Definition: session.c:783
size_t ssh_string_len(struct ssh_string_struct *s)
Return the size of a SSH string.
Definition: string.c:131
void ssh_channel_set_blocking(ssh_channel channel, int blocking)
Put the channel into blocking or nonblocking mode.
Definition: channels.c:1469
const char * ssh_get_kex_algo(ssh_session session)
get the name of the current key exchange algorithm.
Definition: session.c:347
void ssh_message_free(ssh_message msg)
Free a SSH message.
Definition: messages.c:548
int ssh_message_subtype(ssh_message msg)
Get the subtype of the message.
Definition: messages.c:524
ssh_session ssh_new(void)
Create a new ssh session.
Definition: session.c:61
int ssh_get_publickey(ssh_session session, ssh_key *key)
Definition: dh.c:1003
int ssh_get_status(ssh_session session)
Get session status.
Definition: session.c:725
void ssh_channel_set_counter(ssh_channel channel, ssh_counter counter)
Set the channel data counter.
Definition: channels.c:3206
void ssh_channel_free(ssh_channel channel)
Close and free a channel.
Definition: channels.c:1005
int ssh_userauth_try_publickey(ssh_session session, const char *username, const ssh_key pubkey)
Try to authenticate with the given public key.
Definition: auth.c:441
int ssh_event_remove_fd(ssh_event event, socket_t fd)
Remove a socket fd from an event context.
Definition: poll.c:902
int ssh_scp_push_file64(ssh_scp scp, const char *filename, uint64_t size, int perms)
Initialize the sending of a file to a scp in sink mode, using a 64-bit size.
Definition: scp.c:317
int ssh_scp_pull_request(ssh_scp scp)
Wait for a scp request (file, directory).
Definition: scp.c:547
void ssh_string_free_char(char *s)
Deallocate a char string object.
Definition: string.c:204
int ssh_is_server_known(ssh_session session)
Check if the server is known.
Definition: known_hosts.c:406
int ssh_send_ignore(ssh_session session, const char *data)
Send a message that should be ignored.
Definition: session.c:843
int ssh_is_blocking(ssh_session session)
Return the blocking mode of libssh.
Definition: session.c:473
char * ssh_get_hexa(const unsigned char *what, size_t len)
Convert a buffer into a colon separated hex string.
Definition: dh.c:1121
int ssh_get_publickey_hash(const ssh_key key, enum ssh_publickey_hash_type type, unsigned char **hash, size_t *hlen)
Allocates a buffer with the hash of the public key.
Definition: dh.c:1036
int ssh_channel_get_exit_status(ssh_channel channel)
Get the exit status of the channel (error code from the executed instruction).
Definition: channels.c:2969
int ssh_pki_import_pubkey_file(const char *filename, ssh_key *pkey)
Import a public key from the given filename.
Definition: pki.c:1014
int ssh_channel_cancel_forward(ssh_session session, const char *address, int port)
Sends the "cancel-tcpip-forward" global request to ask the server to cancel the tcpip-forward request...
Definition: channels.c:2298
int ssh_channel_request_auth_agent(ssh_channel channel)
Send an "auth-agent-req" channel request over an existing session channel.
Definition: channels.c:2027
int ssh_channel_write_stderr(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel stderr.
Definition: channels.c:3226
int ssh_userauth_agent(ssh_session session, const char *username)
Try to do public key authentication with ssh agent.
Definition: auth.c:780
const char * ssh_get_hmac_in(ssh_session session)
get the name of the input HMAC algorithm for the given session.
Definition: session.c:412
int ssh_scp_push_file(ssh_scp scp, const char *filename, size_t size, int perms)
Initialize the sending of a file to a scp in sink mode.
Definition: scp.c:372
int ssh_pki_import_pubkey_base64(const char *b64_key, enum ssh_keytypes_e type, ssh_key *pkey)
Import a base64 formated public key from a memory c-string.
Definition: pki.c:898
int ssh_scp_push_directory(ssh_scp scp, const char *dirname, int mode)
Create a directory in a scp in sink mode.
Definition: scp.c:227
int ssh_channel_read(ssh_channel channel, void *dest, uint32_t count, int is_stderr)
Reads data from a channel.
Definition: channels.c:2650
int ssh_pki_import_privkey_base64(const char *b64_key, const char *passphrase, ssh_auth_callback auth_fn, void *auth_data, ssh_key *pkey)
import a base64 formated key from a memory c-string
Definition: pki.c:396
void ssh_free(ssh_session session)
Deallocate a SSH session handle.
Definition: session.c:184
int ssh_scp_close(ssh_scp scp)
Close the scp channel.
Definition: scp.c:161
int ssh_channel_read_nonblocking(ssh_channel channel, void *dest, uint32_t count, int is_stderr)
Do a nonblocking read on the channel.
Definition: channels.c:2788
int ssh_buffer_add_data(struct ssh_buffer_struct *buffer, const void *data, uint32_t len)
Add data at the tail of a buffer.
Definition: buffer.c:219
char * ssh_dirname(const char *path)
Parse directory component.
Definition: misc.c:501
int ssh_get_error_code(void *error)
Retrieve the error code from the last error.
Definition: error.c:131
int ssh_pki_import_privkey_file(const char *filename, const char *passphrase, ssh_auth_callback auth_fn, void *auth_data, ssh_key *pkey)
Import a key from a file.
Definition: pki.c:460