libssh  0.9.3
The SSH library
libssh.h
1 /*
2  * This file is part of the SSH Library
3  *
4  * Copyright (c) 2003-2009 by Aris Adamantiadis
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef _LIBSSH_H
22 #define _LIBSSH_H
23 
24 #if defined _WIN32 || defined __CYGWIN__
25  #ifdef LIBSSH_STATIC
26  #define LIBSSH_API
27  #else
28  #ifdef LIBSSH_EXPORTS
29  #ifdef __GNUC__
30  #define LIBSSH_API __attribute__((dllexport))
31  #else
32  #define LIBSSH_API __declspec(dllexport)
33  #endif
34  #else
35  #ifdef __GNUC__
36  #define LIBSSH_API __attribute__((dllimport))
37  #else
38  #define LIBSSH_API __declspec(dllimport)
39  #endif
40  #endif
41  #endif
42 #else
43  #if __GNUC__ >= 4 && !defined(__OS2__)
44  #define LIBSSH_API __attribute__((visibility("default")))
45  #else
46  #define LIBSSH_API
47  #endif
48 #endif
49 
50 #ifdef _MSC_VER
51  /* Visual Studio hasn't inttypes.h so it doesn't know uint32_t */
52  typedef int int32_t;
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;
57  typedef int mode_t;
58 #else /* _MSC_VER */
59  #include <unistd.h>
60  #include <inttypes.h>
61  #include <sys/types.h>
62 #endif /* _MSC_VER */
63 
64 #ifdef _WIN32
65  #include <winsock2.h>
66 #else /* _WIN32 */
67  #include <sys/select.h> /* for fd_set * */
68  #include <netdb.h>
69 #endif /* _WIN32 */
70 
71 #define SSH_STRINGIFY(s) SSH_TOSTRING(s)
72 #define SSH_TOSTRING(s) #s
73 
74 /* libssh version macros */
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)
78 
79 /* libssh version */
80 #define LIBSSH_VERSION_MAJOR 0
81 #define LIBSSH_VERSION_MINOR 9
82 #define LIBSSH_VERSION_MICRO 3
83 
84 #define LIBSSH_VERSION_INT SSH_VERSION_INT(LIBSSH_VERSION_MAJOR, \
85  LIBSSH_VERSION_MINOR, \
86  LIBSSH_VERSION_MICRO)
87 #define LIBSSH_VERSION SSH_VERSION(LIBSSH_VERSION_MAJOR, \
88  LIBSSH_VERSION_MINOR, \
89  LIBSSH_VERSION_MICRO)
90 
91 /* GCC have printf type attribute check. */
92 #ifdef __GNUC__
93 #define PRINTF_ATTRIBUTE(a,b) __attribute__ ((__format__ (__printf__, a, b)))
94 #else
95 #define PRINTF_ATTRIBUTE(a,b)
96 #endif /* __GNUC__ */
97 
98 #ifdef __GNUC__
99 #define SSH_DEPRECATED __attribute__ ((deprecated))
100 #else
101 #define SSH_DEPRECATED
102 #endif
103 
104 #ifdef __cplusplus
105 extern "C" {
106 #endif
107 
109  uint64_t in_bytes;
110  uint64_t out_bytes;
111  uint64_t in_packets;
112  uint64_t out_packets;
113 };
114 typedef struct ssh_counter_struct *ssh_counter;
115 
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;
128 
129 /* Socket type */
130 #ifdef _WIN32
131 #ifndef socket_t
132 typedef SOCKET socket_t;
133 #endif /* socket_t */
134 #else /* _WIN32 */
135 #ifndef socket_t
136 typedef int socket_t;
137 #endif
138 #endif /* _WIN32 */
139 
140 #define SSH_INVALID_SOCKET ((socket_t) -1)
141 
142 /* the offsets of methods */
143 enum ssh_kex_types_e {
144  SSH_KEX=0,
145  SSH_HOSTKEYS,
146  SSH_CRYPT_C_S,
147  SSH_CRYPT_S_C,
148  SSH_MAC_C_S,
149  SSH_MAC_S_C,
150  SSH_COMP_C_S,
151  SSH_COMP_S_C,
152  SSH_LANG_C_S,
153  SSH_LANG_S_C
154 };
155 
156 #define SSH_CRYPT 2
157 #define SSH_MAC 3
158 #define SSH_COMP 4
159 #define SSH_LANG 5
160 
161 enum ssh_auth_e {
162  SSH_AUTH_SUCCESS=0,
163  SSH_AUTH_DENIED,
164  SSH_AUTH_PARTIAL,
165  SSH_AUTH_INFO,
166  SSH_AUTH_AGAIN,
167  SSH_AUTH_ERROR=-1
168 };
169 
170 /* auth flags */
171 #define SSH_AUTH_METHOD_UNKNOWN 0x0000u
172 #define SSH_AUTH_METHOD_NONE 0x0001u
173 #define SSH_AUTH_METHOD_PASSWORD 0x0002u
174 #define SSH_AUTH_METHOD_PUBLICKEY 0x0004u
175 #define SSH_AUTH_METHOD_HOSTBASED 0x0008u
176 #define SSH_AUTH_METHOD_INTERACTIVE 0x0010u
177 #define SSH_AUTH_METHOD_GSSAPI_MIC 0x0020u
178 
179 /* messages */
180 enum ssh_requests_e {
181  SSH_REQUEST_AUTH=1,
182  SSH_REQUEST_CHANNEL_OPEN,
183  SSH_REQUEST_CHANNEL,
184  SSH_REQUEST_SERVICE,
185  SSH_REQUEST_GLOBAL
186 };
187 
188 enum ssh_channel_type_e {
189  SSH_CHANNEL_UNKNOWN=0,
190  SSH_CHANNEL_SESSION,
191  SSH_CHANNEL_DIRECT_TCPIP,
192  SSH_CHANNEL_FORWARDED_TCPIP,
193  SSH_CHANNEL_X11,
194  SSH_CHANNEL_AUTH_AGENT
195 };
196 
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
206 };
207 
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
213 };
214 
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
220 };
221 
222 /* Status flags */
224 #define SSH_CLOSED 0x01
225 
226 #define SSH_READ_PENDING 0x02
227 
228 #define SSH_CLOSED_ERROR 0x04
229 
230 #define SSH_WRITE_PENDING 0x08
231 
232 enum ssh_server_known_e {
233  SSH_SERVER_ERROR=-1,
234  SSH_SERVER_NOT_KNOWN=0,
235  SSH_SERVER_KNOWN_OK,
236  SSH_SERVER_KNOWN_CHANGED,
237  SSH_SERVER_FOUND_OTHER,
238  SSH_SERVER_FILE_NOT_FOUND
239 };
240 
241 enum ssh_known_hosts_e {
245  SSH_KNOWN_HOSTS_ERROR = -2,
246 
251  SSH_KNOWN_HOSTS_NOT_FOUND = -1,
252 
257  SSH_KNOWN_HOSTS_UNKNOWN = 0,
258 
262  SSH_KNOWN_HOSTS_OK,
263 
269  SSH_KNOWN_HOSTS_CHANGED,
270 
275  SSH_KNOWN_HOSTS_OTHER,
276 };
277 
278 #ifndef MD5_DIGEST_LEN
279  #define MD5_DIGEST_LEN 16
280 #endif
281 /* errors */
282 
283 enum ssh_error_types_e {
284  SSH_NO_ERROR=0,
285  SSH_REQUEST_DENIED,
286  SSH_FATAL,
287  SSH_EINTR
288 };
289 
290 /* some types for keys */
291 enum ssh_keytypes_e{
292  SSH_KEYTYPE_UNKNOWN=0,
293  SSH_KEYTYPE_DSS=1,
294  SSH_KEYTYPE_RSA,
295  SSH_KEYTYPE_RSA1,
296  SSH_KEYTYPE_ECDSA, /* deprecated */
297  SSH_KEYTYPE_ED25519,
298  SSH_KEYTYPE_DSS_CERT01,
299  SSH_KEYTYPE_RSA_CERT01,
300  SSH_KEYTYPE_ECDSA_P256,
301  SSH_KEYTYPE_ECDSA_P384,
302  SSH_KEYTYPE_ECDSA_P521,
303  SSH_KEYTYPE_ECDSA_P256_CERT01,
304  SSH_KEYTYPE_ECDSA_P384_CERT01,
305  SSH_KEYTYPE_ECDSA_P521_CERT01,
306  SSH_KEYTYPE_ED25519_CERT01,
307 };
308 
309 enum ssh_keycmp_e {
310  SSH_KEY_CMP_PUBLIC = 0,
311  SSH_KEY_CMP_PRIVATE
312 };
313 
314 #define SSH_ADDRSTRLEN 46
315 
317  char *hostname;
318  char *unparsed;
319  ssh_key publickey;
320  char *comment;
321 };
322 
323 
324 /* Error return codes */
325 #define SSH_OK 0 /* No error */
326 #define SSH_ERROR -1 /* Error of some kind */
327 #define SSH_AGAIN -2 /* The nonblocking call must be repeated */
328 #define SSH_EOF -127 /* We have already a eof */
329 
336 enum {
352 };
354 #define SSH_LOG_RARE SSH_LOG_WARNING
355 
364 #define SSH_LOG_NONE 0
365 
366 #define SSH_LOG_WARN 1
367 
368 #define SSH_LOG_INFO 2
369 
370 #define SSH_LOG_DEBUG 3
371 
372 #define SSH_LOG_TRACE 4
373 
376 enum ssh_options_e {
377  SSH_OPTIONS_HOST,
378  SSH_OPTIONS_PORT,
379  SSH_OPTIONS_PORT_STR,
380  SSH_OPTIONS_FD,
381  SSH_OPTIONS_USER,
382  SSH_OPTIONS_SSH_DIR,
383  SSH_OPTIONS_IDENTITY,
384  SSH_OPTIONS_ADD_IDENTITY,
385  SSH_OPTIONS_KNOWNHOSTS,
386  SSH_OPTIONS_TIMEOUT,
387  SSH_OPTIONS_TIMEOUT_USEC,
388  SSH_OPTIONS_SSH1,
389  SSH_OPTIONS_SSH2,
390  SSH_OPTIONS_LOG_VERBOSITY,
391  SSH_OPTIONS_LOG_VERBOSITY_STR,
392  SSH_OPTIONS_CIPHERS_C_S,
393  SSH_OPTIONS_CIPHERS_S_C,
394  SSH_OPTIONS_COMPRESSION_C_S,
395  SSH_OPTIONS_COMPRESSION_S_C,
396  SSH_OPTIONS_PROXYCOMMAND,
397  SSH_OPTIONS_BINDADDR,
398  SSH_OPTIONS_STRICTHOSTKEYCHECK,
399  SSH_OPTIONS_COMPRESSION,
400  SSH_OPTIONS_COMPRESSION_LEVEL,
401  SSH_OPTIONS_KEY_EXCHANGE,
402  SSH_OPTIONS_HOSTKEYS,
403  SSH_OPTIONS_GSSAPI_SERVER_IDENTITY,
404  SSH_OPTIONS_GSSAPI_CLIENT_IDENTITY,
405  SSH_OPTIONS_GSSAPI_DELEGATE_CREDENTIALS,
406  SSH_OPTIONS_HMAC_C_S,
407  SSH_OPTIONS_HMAC_S_C,
408  SSH_OPTIONS_PASSWORD_AUTH,
409  SSH_OPTIONS_PUBKEY_AUTH,
410  SSH_OPTIONS_KBDINT_AUTH,
411  SSH_OPTIONS_GSSAPI_AUTH,
412  SSH_OPTIONS_GLOBAL_KNOWNHOSTS,
413  SSH_OPTIONS_NODELAY,
414  SSH_OPTIONS_PUBLICKEY_ACCEPTED_TYPES,
415  SSH_OPTIONS_PROCESS_CONFIG,
416  SSH_OPTIONS_REKEY_DATA,
417  SSH_OPTIONS_REKEY_TIME,
418 };
419 
420 enum {
422  SSH_SCP_WRITE,
424  SSH_SCP_READ,
425  SSH_SCP_RECURSIVE=0x10
426 };
427 
428 enum ssh_scp_request_types {
430  SSH_SCP_REQUEST_NEWDIR=1,
432  SSH_SCP_REQUEST_NEWFILE,
434  SSH_SCP_REQUEST_EOF,
436  SSH_SCP_REQUEST_ENDDIR,
438  SSH_SCP_REQUEST_WARNING
439 };
440 
441 enum ssh_connector_flags_e {
443  SSH_CONNECTOR_STDOUT = 1,
444  SSH_CONNECTOR_STDINOUT = 1,
446  SSH_CONNECTOR_STDERR = 2,
448  SSH_CONNECTOR_BOTH = 3
449 };
450 
451 LIBSSH_API int ssh_blocking_flush(ssh_session session, int timeout);
452 LIBSSH_API ssh_channel ssh_channel_accept_x11(ssh_channel channel, int timeout_ms);
453 LIBSSH_API int ssh_channel_change_pty_size(ssh_channel channel,int cols,int rows);
454 LIBSSH_API int ssh_channel_close(ssh_channel channel);
455 LIBSSH_API void ssh_channel_free(ssh_channel channel);
456 LIBSSH_API int ssh_channel_get_exit_status(ssh_channel channel);
458 LIBSSH_API int ssh_channel_is_closed(ssh_channel channel);
459 LIBSSH_API int ssh_channel_is_eof(ssh_channel channel);
460 LIBSSH_API int ssh_channel_is_open(ssh_channel channel);
461 LIBSSH_API ssh_channel ssh_channel_new(ssh_session session);
462 LIBSSH_API int ssh_channel_open_auth_agent(ssh_channel channel);
463 LIBSSH_API int ssh_channel_open_forward(ssh_channel channel, const char *remotehost,
464  int remoteport, const char *sourcehost, int localport);
465 LIBSSH_API int ssh_channel_open_forward_unix(ssh_channel channel, const char *remotepath,
466  const char *sourcehost, int localport);
467 LIBSSH_API int ssh_channel_open_session(ssh_channel channel);
468 LIBSSH_API int ssh_channel_open_x11(ssh_channel channel, const char *orig_addr, int orig_port);
469 LIBSSH_API int ssh_channel_poll(ssh_channel channel, int is_stderr);
470 LIBSSH_API int ssh_channel_poll_timeout(ssh_channel channel, int timeout, int is_stderr);
471 LIBSSH_API int ssh_channel_read(ssh_channel channel, void *dest, uint32_t count, int is_stderr);
472 LIBSSH_API int ssh_channel_read_timeout(ssh_channel channel, void *dest, uint32_t count, int is_stderr, int timeout_ms);
473 LIBSSH_API int ssh_channel_read_nonblocking(ssh_channel channel, void *dest, uint32_t count,
474  int is_stderr);
475 LIBSSH_API int ssh_channel_request_env(ssh_channel channel, const char *name, const char *value);
476 LIBSSH_API int ssh_channel_request_exec(ssh_channel channel, const char *cmd);
477 LIBSSH_API int ssh_channel_request_pty(ssh_channel channel);
478 LIBSSH_API int ssh_channel_request_pty_size(ssh_channel channel, const char *term,
479  int cols, int rows);
480 LIBSSH_API int ssh_channel_request_shell(ssh_channel channel);
481 LIBSSH_API int ssh_channel_request_send_signal(ssh_channel channel, const char *signum);
482 LIBSSH_API int ssh_channel_request_send_break(ssh_channel channel, uint32_t length);
483 LIBSSH_API int ssh_channel_request_sftp(ssh_channel channel);
484 LIBSSH_API int ssh_channel_request_subsystem(ssh_channel channel, const char *subsystem);
485 LIBSSH_API int ssh_channel_request_x11(ssh_channel channel, int single_connection, const char *protocol,
486  const char *cookie, int screen_number);
487 LIBSSH_API int ssh_channel_request_auth_agent(ssh_channel channel);
488 LIBSSH_API int ssh_channel_send_eof(ssh_channel channel);
489 LIBSSH_API int ssh_channel_select(ssh_channel *readchans, ssh_channel *writechans, ssh_channel *exceptchans, struct
490  timeval * timeout);
491 LIBSSH_API void ssh_channel_set_blocking(ssh_channel channel, int blocking);
492 LIBSSH_API void ssh_channel_set_counter(ssh_channel channel,
493  ssh_counter counter);
494 LIBSSH_API int ssh_channel_write(ssh_channel channel, const void *data, uint32_t len);
495 LIBSSH_API int ssh_channel_write_stderr(ssh_channel channel,
496  const void *data,
497  uint32_t len);
498 LIBSSH_API uint32_t ssh_channel_window_size(ssh_channel channel);
499 
500 LIBSSH_API char *ssh_basename (const char *path);
501 LIBSSH_API void ssh_clean_pubkey_hash(unsigned char **hash);
502 LIBSSH_API int ssh_connect(ssh_session session);
503 
504 LIBSSH_API ssh_connector ssh_connector_new(ssh_session session);
505 LIBSSH_API void ssh_connector_free(ssh_connector connector);
506 LIBSSH_API int ssh_connector_set_in_channel(ssh_connector connector,
507  ssh_channel channel,
508  enum ssh_connector_flags_e flags);
509 LIBSSH_API int ssh_connector_set_out_channel(ssh_connector connector,
510  ssh_channel channel,
511  enum ssh_connector_flags_e flags);
512 LIBSSH_API void ssh_connector_set_in_fd(ssh_connector connector, socket_t fd);
513 LIBSSH_API void ssh_connector_set_out_fd(ssh_connector connector, socket_t fd);
514 
515 LIBSSH_API const char *ssh_copyright(void);
516 LIBSSH_API void ssh_disconnect(ssh_session session);
517 LIBSSH_API char *ssh_dirname (const char *path);
518 LIBSSH_API int ssh_finalize(void);
519 
520 /* REVERSE PORT FORWARDING */
522  int timeout_ms,
523  int *destination_port);
524 LIBSSH_API int ssh_channel_cancel_forward(ssh_session session,
525  const char *address,
526  int port);
527 LIBSSH_API int ssh_channel_listen_forward(ssh_session session,
528  const char *address,
529  int port,
530  int *bound_port);
531 
532 LIBSSH_API void ssh_free(ssh_session session);
533 LIBSSH_API const char *ssh_get_disconnect_message(ssh_session session);
534 LIBSSH_API const char *ssh_get_error(void *error);
535 LIBSSH_API int ssh_get_error_code(void *error);
536 LIBSSH_API socket_t ssh_get_fd(ssh_session session);
537 LIBSSH_API char *ssh_get_hexa(const unsigned char *what, size_t len);
538 LIBSSH_API char *ssh_get_issue_banner(ssh_session session);
539 LIBSSH_API int ssh_get_openssh_version(ssh_session session);
540 
541 LIBSSH_API int ssh_get_server_publickey(ssh_session session, ssh_key *key);
542 
543 enum ssh_publickey_hash_type {
544  SSH_PUBLICKEY_HASH_SHA1,
545  SSH_PUBLICKEY_HASH_MD5,
546  SSH_PUBLICKEY_HASH_SHA256
547 };
548 LIBSSH_API int ssh_get_publickey_hash(const ssh_key key,
549  enum ssh_publickey_hash_type type,
550  unsigned char **hash,
551  size_t *hlen);
552 
553 /* DEPRECATED FUNCTIONS */
554 SSH_DEPRECATED LIBSSH_API int ssh_get_pubkey_hash(ssh_session session, unsigned char **hash);
555 SSH_DEPRECATED LIBSSH_API ssh_channel ssh_forward_accept(ssh_session session, int timeout_ms);
556 SSH_DEPRECATED LIBSSH_API int ssh_forward_cancel(ssh_session session, const char *address, int port);
557 SSH_DEPRECATED LIBSSH_API int ssh_forward_listen(ssh_session session, const char *address, int port, int *bound_port);
558 SSH_DEPRECATED LIBSSH_API int ssh_get_publickey(ssh_session session, ssh_key *key);
559 SSH_DEPRECATED LIBSSH_API int ssh_write_knownhost(ssh_session session);
560 SSH_DEPRECATED LIBSSH_API char *ssh_dump_knownhost(ssh_session session);
561 SSH_DEPRECATED LIBSSH_API int ssh_is_server_known(ssh_session session);
562 SSH_DEPRECATED LIBSSH_API void ssh_print_hexa(const char *descr, const unsigned char *what, size_t len);
563 
564 
565 
566 LIBSSH_API int ssh_get_random(void *where,int len,int strong);
567 LIBSSH_API int ssh_get_version(ssh_session session);
568 LIBSSH_API int ssh_get_status(ssh_session session);
569 LIBSSH_API int ssh_get_poll_flags(ssh_session session);
570 LIBSSH_API int ssh_init(void);
571 LIBSSH_API int ssh_is_blocking(ssh_session session);
572 LIBSSH_API int ssh_is_connected(ssh_session session);
573 
574 /* KNOWN HOSTS */
575 LIBSSH_API void ssh_knownhosts_entry_free(struct ssh_knownhosts_entry *entry);
576 #define SSH_KNOWNHOSTS_ENTRY_FREE(e) do { \
577  if ((e) != NULL) { \
578  ssh_knownhosts_entry_free(e); \
579  e = NULL; \
580  } \
581 } while(0)
582 
583 LIBSSH_API int ssh_known_hosts_parse_line(const char *host,
584  const char *line,
585  struct ssh_knownhosts_entry **entry);
586 LIBSSH_API enum ssh_known_hosts_e ssh_session_has_known_hosts_entry(ssh_session session);
587 
589  char **pentry_string);
590 LIBSSH_API int ssh_session_update_known_hosts(ssh_session session);
591 
592 LIBSSH_API enum ssh_known_hosts_e ssh_session_get_known_hosts_entry(ssh_session session,
593  struct ssh_knownhosts_entry **pentry);
594 LIBSSH_API enum ssh_known_hosts_e ssh_session_is_known_server(ssh_session session);
595 
596 /* LOGGING */
597 LIBSSH_API int ssh_set_log_level(int level);
598 LIBSSH_API int ssh_get_log_level(void);
599 LIBSSH_API void *ssh_get_log_userdata(void);
600 LIBSSH_API int ssh_set_log_userdata(void *data);
601 LIBSSH_API void _ssh_log(int verbosity,
602  const char *function,
603  const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
604 
605 /* legacy */
606 SSH_DEPRECATED LIBSSH_API void ssh_log(ssh_session session,
607  int prioriry,
608  const char *format, ...) PRINTF_ATTRIBUTE(3, 4);
609 
610 LIBSSH_API ssh_channel ssh_message_channel_request_open_reply_accept(ssh_message msg);
611 LIBSSH_API int ssh_message_channel_request_open_reply_accept_channel(ssh_message msg, ssh_channel chan);
612 LIBSSH_API int ssh_message_channel_request_reply_success(ssh_message msg);
613 #define SSH_MESSAGE_FREE(x) \
614  do { if ((x) != NULL) { ssh_message_free(x); (x) = NULL; } } while(0)
615 LIBSSH_API void ssh_message_free(ssh_message msg);
616 LIBSSH_API ssh_message ssh_message_get(ssh_session session);
617 LIBSSH_API int ssh_message_subtype(ssh_message msg);
618 LIBSSH_API int ssh_message_type(ssh_message msg);
619 LIBSSH_API int ssh_mkdir (const char *pathname, mode_t mode);
620 LIBSSH_API ssh_session ssh_new(void);
621 
622 LIBSSH_API int ssh_options_copy(ssh_session src, ssh_session *dest);
623 LIBSSH_API int ssh_options_getopt(ssh_session session, int *argcptr, char **argv);
624 LIBSSH_API int ssh_options_parse_config(ssh_session session, const char *filename);
625 LIBSSH_API int ssh_options_set(ssh_session session, enum ssh_options_e type,
626  const void *value);
627 LIBSSH_API int ssh_options_get(ssh_session session, enum ssh_options_e type,
628  char **value);
629 LIBSSH_API int ssh_options_get_port(ssh_session session, unsigned int * port_target);
630 LIBSSH_API int ssh_pcap_file_close(ssh_pcap_file pcap);
631 LIBSSH_API void ssh_pcap_file_free(ssh_pcap_file pcap);
632 LIBSSH_API ssh_pcap_file ssh_pcap_file_new(void);
633 LIBSSH_API int ssh_pcap_file_open(ssh_pcap_file pcap, const char *filename);
634 
648 typedef int (*ssh_auth_callback) (const char *prompt, char *buf, size_t len,
649  int echo, int verify, void *userdata);
650 
651 LIBSSH_API ssh_key ssh_key_new(void);
652 #define SSH_KEY_FREE(x) \
653  do { if ((x) != NULL) { ssh_key_free(x); x = NULL; } } while(0)
654 LIBSSH_API void ssh_key_free (ssh_key key);
655 LIBSSH_API enum ssh_keytypes_e ssh_key_type(const ssh_key key);
656 LIBSSH_API const char *ssh_key_type_to_char(enum ssh_keytypes_e type);
657 LIBSSH_API enum ssh_keytypes_e ssh_key_type_from_name(const char *name);
658 LIBSSH_API int ssh_key_is_public(const ssh_key k);
659 LIBSSH_API int ssh_key_is_private(const ssh_key k);
660 LIBSSH_API int ssh_key_cmp(const ssh_key k1,
661  const ssh_key k2,
662  enum ssh_keycmp_e what);
663 
664 LIBSSH_API int ssh_pki_generate(enum ssh_keytypes_e type, int parameter,
665  ssh_key *pkey);
666 LIBSSH_API int ssh_pki_import_privkey_base64(const char *b64_key,
667  const char *passphrase,
668  ssh_auth_callback auth_fn,
669  void *auth_data,
670  ssh_key *pkey);
671 LIBSSH_API int ssh_pki_export_privkey_base64(const ssh_key privkey,
672  const char *passphrase,
673  ssh_auth_callback auth_fn,
674  void *auth_data,
675  char **b64_key);
676 LIBSSH_API int ssh_pki_import_privkey_file(const char *filename,
677  const char *passphrase,
678  ssh_auth_callback auth_fn,
679  void *auth_data,
680  ssh_key *pkey);
681 LIBSSH_API int ssh_pki_export_privkey_file(const ssh_key privkey,
682  const char *passphrase,
683  ssh_auth_callback auth_fn,
684  void *auth_data,
685  const char *filename);
686 
687 LIBSSH_API int ssh_pki_copy_cert_to_privkey(const ssh_key cert_key,
688  ssh_key privkey);
689 
690 LIBSSH_API int ssh_pki_import_pubkey_base64(const char *b64_key,
691  enum ssh_keytypes_e type,
692  ssh_key *pkey);
693 LIBSSH_API int ssh_pki_import_pubkey_file(const char *filename,
694  ssh_key *pkey);
695 
696 LIBSSH_API int ssh_pki_import_cert_base64(const char *b64_cert,
697  enum ssh_keytypes_e type,
698  ssh_key *pkey);
699 LIBSSH_API int ssh_pki_import_cert_file(const char *filename,
700  ssh_key *pkey);
701 
702 LIBSSH_API int ssh_pki_export_privkey_to_pubkey(const ssh_key privkey,
703  ssh_key *pkey);
704 LIBSSH_API int ssh_pki_export_pubkey_base64(const ssh_key key,
705  char **b64_key);
706 LIBSSH_API int ssh_pki_export_pubkey_file(const ssh_key key,
707  const char *filename);
708 
709 LIBSSH_API const char *ssh_pki_key_ecdsa_name(const ssh_key key);
710 
711 LIBSSH_API char *ssh_get_fingerprint_hash(enum ssh_publickey_hash_type type,
712  unsigned char *hash,
713  size_t len);
714 LIBSSH_API void ssh_print_hash(enum ssh_publickey_hash_type type, unsigned char *hash, size_t len);
715 LIBSSH_API int ssh_send_ignore (ssh_session session, const char *data);
716 LIBSSH_API int ssh_send_debug (ssh_session session, const char *message, int always_display);
717 LIBSSH_API void ssh_gssapi_set_creds(ssh_session session, const ssh_gssapi_creds creds);
718 LIBSSH_API int ssh_scp_accept_request(ssh_scp scp);
719 LIBSSH_API int ssh_scp_close(ssh_scp scp);
720 LIBSSH_API int ssh_scp_deny_request(ssh_scp scp, const char *reason);
721 LIBSSH_API void ssh_scp_free(ssh_scp scp);
722 LIBSSH_API int ssh_scp_init(ssh_scp scp);
723 LIBSSH_API int ssh_scp_leave_directory(ssh_scp scp);
724 LIBSSH_API ssh_scp ssh_scp_new(ssh_session session, int mode, const char *location);
725 LIBSSH_API int ssh_scp_pull_request(ssh_scp scp);
726 LIBSSH_API int ssh_scp_push_directory(ssh_scp scp, const char *dirname, int mode);
727 LIBSSH_API int ssh_scp_push_file(ssh_scp scp, const char *filename, size_t size, int perms);
728 LIBSSH_API int ssh_scp_push_file64(ssh_scp scp, const char *filename, uint64_t size, int perms);
729 LIBSSH_API int ssh_scp_read(ssh_scp scp, void *buffer, size_t size);
730 LIBSSH_API const char *ssh_scp_request_get_filename(ssh_scp scp);
731 LIBSSH_API int ssh_scp_request_get_permissions(ssh_scp scp);
732 LIBSSH_API size_t ssh_scp_request_get_size(ssh_scp scp);
733 LIBSSH_API uint64_t ssh_scp_request_get_size64(ssh_scp scp);
734 LIBSSH_API const char *ssh_scp_request_get_warning(ssh_scp scp);
735 LIBSSH_API int ssh_scp_write(ssh_scp scp, const void *buffer, size_t len);
736 LIBSSH_API int ssh_select(ssh_channel *channels, ssh_channel *outchannels, socket_t maxfd,
737  fd_set *readfds, struct timeval *timeout);
738 LIBSSH_API int ssh_service_request(ssh_session session, const char *service);
739 LIBSSH_API int ssh_set_agent_channel(ssh_session session, ssh_channel channel);
740 LIBSSH_API int ssh_set_agent_socket(ssh_session session, socket_t fd);
741 LIBSSH_API void ssh_set_blocking(ssh_session session, int blocking);
742 LIBSSH_API void ssh_set_counters(ssh_session session, ssh_counter scounter,
743  ssh_counter rcounter);
744 LIBSSH_API void ssh_set_fd_except(ssh_session session);
745 LIBSSH_API void ssh_set_fd_toread(ssh_session session);
746 LIBSSH_API void ssh_set_fd_towrite(ssh_session session);
747 LIBSSH_API void ssh_silent_disconnect(ssh_session session);
748 LIBSSH_API int ssh_set_pcap_file(ssh_session session, ssh_pcap_file pcapfile);
749 
750 /* USERAUTH */
751 LIBSSH_API int ssh_userauth_none(ssh_session session, const char *username);
752 LIBSSH_API int ssh_userauth_list(ssh_session session, const char *username);
753 LIBSSH_API int ssh_userauth_try_publickey(ssh_session session,
754  const char *username,
755  const ssh_key pubkey);
756 LIBSSH_API int ssh_userauth_publickey(ssh_session session,
757  const char *username,
758  const ssh_key privkey);
759 #ifndef _WIN32
760 LIBSSH_API int ssh_userauth_agent(ssh_session session,
761  const char *username);
762 #endif
763 LIBSSH_API int ssh_userauth_publickey_auto(ssh_session session,
764  const char *username,
765  const char *passphrase);
766 LIBSSH_API int ssh_userauth_password(ssh_session session,
767  const char *username,
768  const char *password);
769 
770 LIBSSH_API int ssh_userauth_kbdint(ssh_session session, const char *user, const char *submethods);
771 LIBSSH_API const char *ssh_userauth_kbdint_getinstruction(ssh_session session);
772 LIBSSH_API const char *ssh_userauth_kbdint_getname(ssh_session session);
773 LIBSSH_API int ssh_userauth_kbdint_getnprompts(ssh_session session);
774 LIBSSH_API const char *ssh_userauth_kbdint_getprompt(ssh_session session, unsigned int i, char *echo);
775 LIBSSH_API int ssh_userauth_kbdint_getnanswers(ssh_session session);
776 LIBSSH_API const char *ssh_userauth_kbdint_getanswer(ssh_session session, unsigned int i);
777 LIBSSH_API int ssh_userauth_kbdint_setanswer(ssh_session session, unsigned int i,
778  const char *answer);
779 LIBSSH_API int ssh_userauth_gssapi(ssh_session session);
780 LIBSSH_API const char *ssh_version(int req_version);
781 
782 LIBSSH_API void ssh_string_burn(ssh_string str);
783 LIBSSH_API ssh_string ssh_string_copy(ssh_string str);
784 LIBSSH_API void *ssh_string_data(ssh_string str);
785 LIBSSH_API int ssh_string_fill(ssh_string str, const void *data, size_t len);
786 #define SSH_STRING_FREE(x) \
787  do { if ((x) != NULL) { ssh_string_free(x); x = NULL; } } while(0)
788 LIBSSH_API void ssh_string_free(ssh_string str);
789 LIBSSH_API ssh_string ssh_string_from_char(const char *what);
790 LIBSSH_API size_t ssh_string_len(ssh_string str);
791 LIBSSH_API ssh_string ssh_string_new(size_t size);
792 LIBSSH_API const char *ssh_string_get_char(ssh_string str);
793 LIBSSH_API char *ssh_string_to_char(ssh_string str);
794 #define SSH_STRING_FREE_CHAR(x) \
795  do { if ((x) != NULL) { ssh_string_free_char(x); x = NULL; } } while(0)
796 LIBSSH_API void ssh_string_free_char(char *s);
797 
798 LIBSSH_API int ssh_getpass(const char *prompt, char *buf, size_t len, int echo,
799  int verify);
800 
801 
802 typedef int (*ssh_event_callback)(socket_t fd, int revents, void *userdata);
803 
804 LIBSSH_API ssh_event ssh_event_new(void);
805 LIBSSH_API int ssh_event_add_fd(ssh_event event, socket_t fd, short events,
806  ssh_event_callback cb, void *userdata);
807 LIBSSH_API int ssh_event_add_session(ssh_event event, ssh_session session);
808 LIBSSH_API int ssh_event_add_connector(ssh_event event, ssh_connector connector);
809 LIBSSH_API int ssh_event_dopoll(ssh_event event, int timeout);
810 LIBSSH_API int ssh_event_remove_fd(ssh_event event, socket_t fd);
811 LIBSSH_API int ssh_event_remove_session(ssh_event event, ssh_session session);
812 LIBSSH_API int ssh_event_remove_connector(ssh_event event, ssh_connector connector);
813 LIBSSH_API void ssh_event_free(ssh_event event);
814 LIBSSH_API const char* ssh_get_clientbanner(ssh_session session);
815 LIBSSH_API const char* ssh_get_serverbanner(ssh_session session);
816 LIBSSH_API const char* ssh_get_kex_algo(ssh_session session);
817 LIBSSH_API const char* ssh_get_cipher_in(ssh_session session);
818 LIBSSH_API const char* ssh_get_cipher_out(ssh_session session);
819 LIBSSH_API const char* ssh_get_hmac_in(ssh_session session);
820 LIBSSH_API const char* ssh_get_hmac_out(ssh_session session);
821 
822 LIBSSH_API ssh_buffer ssh_buffer_new(void);
823 LIBSSH_API void ssh_buffer_free(ssh_buffer buffer);
824 #define SSH_BUFFER_FREE(x) \
825  do { if ((x) != NULL) { ssh_buffer_free(x); x = NULL; } } while(0)
826 LIBSSH_API int ssh_buffer_reinit(ssh_buffer buffer);
827 LIBSSH_API int ssh_buffer_add_data(ssh_buffer buffer, const void *data, uint32_t len);
828 LIBSSH_API uint32_t ssh_buffer_get_data(ssh_buffer buffer, void *data, uint32_t requestedlen);
829 LIBSSH_API void *ssh_buffer_get(ssh_buffer buffer);
830 LIBSSH_API uint32_t ssh_buffer_get_len(ssh_buffer buffer);
831 
832 #ifndef LIBSSH_LEGACY_0_4
833 #include "libssh/legacy.h"
834 #endif
835 
836 #ifdef __cplusplus
837 }
838 #endif
839 #endif /* _LIBSSH_H */
ssh_pki_import_pubkey_file
LIBSSH_API int ssh_pki_import_pubkey_file(const char *filename, ssh_key *pkey)
Import a public key from the given filename.
Definition: pki.c:1584
ssh_mkdir
LIBSSH_API int ssh_mkdir(const char *pathname, mode_t mode)
Attempts to create a directory with the given pathname.
Definition: misc.c:953
ssh_channel_struct
Definition: channels.h:62
ssh_channel_request_subsystem
LIBSSH_API int ssh_channel_request_subsystem(ssh_channel channel, const char *subsystem)
Request a subsystem (for example "sftp").
Definition: channels.c:1941
ssh_get_pubkey_hash
SSH_DEPRECATED LIBSSH_API int ssh_get_pubkey_hash(ssh_session session, unsigned char **hash)
Definition: session.c:972
ssh_buffer_add_data
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:300
ssh_channel_select
LIBSSH_API 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:3279
ssh_channel_request_x11
LIBSSH_API 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:2042
ssh_event_add_session
LIBSSH_API 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:884
ssh_channel_read
LIBSSH_API int ssh_channel_read(ssh_channel channel, void *dest, uint32_t count, int is_stderr)
Reads data from a channel.
Definition: channels.c:2831
ssh_channel_request_env
LIBSSH_API int ssh_channel_request_env(ssh_channel channel, const char *name, const char *value)
Set environment variables.
Definition: channels.c:2498
ssh_pki_import_privkey_base64
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)
import a base64 formated key from a memory c-string
Definition: pki.c:730
ssh_channel_send_eof
LIBSSH_API int ssh_channel_send_eof(ssh_channel channel)
Send an end of file on the channel.
Definition: channels.c:1224
ssh_send_debug
LIBSSH_API int ssh_send_debug(ssh_session session, const char *message, int always_display)
Send a debug message.
Definition: session.c:905
ssh_key_type_to_char
const LIBSSH_API char * ssh_key_type_to_char(enum ssh_keytypes_e type)
Convert a key type to a string.
Definition: pki.c:271
ssh_channel_open_forward_unix
LIBSSH_API int ssh_channel_open_forward_unix(ssh_channel channel, const char *remotepath, const char *sourcehost, int localport)
Open a TCP/IP - UNIX domain socket forwarding channel.
Definition: channels.c:1057
ssh_key_struct
Definition: pki.h:50
ssh_channel_open_session
LIBSSH_API int ssh_channel_open_session(ssh_channel channel)
Open a session channel (suited for a shell, not TCP forwarding).
Definition: channels.c:920
ssh_string_to_char
char * ssh_string_to_char(struct ssh_string_struct *s)
Convert a SSH string to a C nul-terminated string.
Definition: string.c:181
ssh_session_has_known_hosts_entry
LIBSSH_API enum ssh_known_hosts_e ssh_session_has_known_hosts_entry(ssh_session session)
Check if the set hostname and port matches an entry in known_hosts.
Definition: knownhosts.c:777
ssh_scp_close
LIBSSH_API int ssh_scp_close(ssh_scp scp)
Close the scp channel.
Definition: scp.c:241
ssh_event_add_fd
LIBSSH_API 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:815
ssh_print_hash
LIBSSH_API void ssh_print_hash(enum ssh_publickey_hash_type type, unsigned char *hash, size_t len)
Print a hash as a human-readable hex- or base64-string.
Definition: dh.c:788
ssh_scp_push_file64
LIBSSH_API 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:456
ssh_options_copy
LIBSSH_API int ssh_options_copy(ssh_session src, ssh_session *dest)
Duplicate the options of a session structure.
Definition: options.c:65
ssh_channel_free
LIBSSH_API void ssh_channel_free(ssh_channel channel)
Close and free a channel.
Definition: channels.c:1123
ssh_counter_struct
Definition: libssh.h:108
ssh_scp_request_get_size64
LIBSSH_API 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:1066
ssh_channel_close
LIBSSH_API int ssh_channel_close(ssh_channel channel)
Close a channel.
Definition: channels.c:1285
ssh_session_export_known_hosts_entry
LIBSSH_API int ssh_session_export_known_hosts_entry(ssh_session session, char **pentry_string)
Export the current session information to a known_hosts string.
Definition: knownhosts.c:892
ssh_channel_write_stderr
LIBSSH_API int ssh_channel_write_stderr(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel stderr.
Definition: channels.c:3433
ssh_get_publickey
SSH_DEPRECATED LIBSSH_API int ssh_get_publickey(ssh_session session, ssh_key *key)
Definition: session.c:1084
ssh_channel_window_size
LIBSSH_API uint32_t ssh_channel_window_size(ssh_channel channel)
Get the remote window size.
Definition: channels.c:1536
ssh_is_connected
LIBSSH_API int ssh_is_connected(ssh_session session)
Check if we are connected.
Definition: session.c:548
SSH_LOG_PACKET
Definition: libssh.h:348
ssh_set_blocking
LIBSSH_API void ssh_set_blocking(ssh_session session, int blocking)
Set the session in blocking/nonblocking mode.
Definition: session.c:482
ssh_event_new
LIBSSH_API ssh_event ssh_event_new(void)
Create a new event context. It could be associated with many ssh_session objects and socket fd which ...
Definition: poll.c:760
ssh_pki_export_privkey_file
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)
Export a private key to a pem file on disk, or OpenSSH format for keytype ssh-ed25519.
Definition: pki.c:944
ssh_pki_export_pubkey_base64
LIBSSH_API 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:1916
ssh_scp_push_file
LIBSSH_API 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:557
ssh_set_fd_except
LIBSSH_API void ssh_set_fd_except(ssh_session session)
Tell the session it has an exception to catch on the file descriptor.
Definition: session.c:606
ssh_connector_struct
Definition: connector.c:52
ssh_channel_cancel_forward
LIBSSH_API 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:2447
ssh_key_is_public
LIBSSH_API int ssh_key_is_public(const ssh_key k)
Check if the key has/is a public key.
Definition: pki.c:585
ssh_scp_push_directory
LIBSSH_API 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:320
ssh_scp_struct
Definition: scp.h:35
ssh_service_request
Definition: messages.h:46
ssh_key_is_private
LIBSSH_API int ssh_key_is_private(const ssh_key k)
Check if the key is a private key.
Definition: pki.c:600
ssh_string_new
LIBSSH_API ssh_string ssh_string_new(size_t size)
Create a new SSH String object.
Definition: string.c:56
ssh_channel_poll
LIBSSH_API int ssh_channel_poll(ssh_channel channel, int is_stderr)
Polls a channel for data to read.
Definition: channels.c:3038
ssh_userauth_kbdint_setanswer
LIBSSH_API 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:1846
SSH_LOG_WARNING
Definition: libssh.h:342
ssh_buffer_free
void ssh_buffer_free(struct ssh_buffer_struct *buffer)
Deallocate a SSH buffer.
Definition: buffer.c:149
ssh_get_version
LIBSSH_API int ssh_get_version(ssh_session session)
Get the protocol version of the session.
Definition: session.c:835
ssh_string_from_char
LIBSSH_API ssh_string ssh_string_from_char(const char *what)
Create a ssh string using a C string.
Definition: string.c:108
ssh_scp_free
LIBSSH_API void ssh_scp_free(ssh_scp scp)
Free a scp context.
Definition: scp.c:286
ssh_disconnect
LIBSSH_API void ssh_disconnect(ssh_session session)
Disconnect from a session (client or server). The session can then be reused to open a new session.
Definition: client.c:672
ssh_channel_read_timeout
LIBSSH_API 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:2863
ssh_session_get_known_hosts_entry
LIBSSH_API enum ssh_known_hosts_e ssh_session_get_known_hosts_entry(ssh_session session, struct ssh_knownhosts_entry **pentry)
Get the known_hosts entry for the current connected session.
Definition: knownhosts.c:1130
ssh_channel_request_pty_size
LIBSSH_API 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:1798
ssh_message_struct
Definition: messages.h:84
ssh_get_cipher_in
const LIBSSH_API char * ssh_get_cipher_in(ssh_session session)
get the name of the input cipher for the given session.
Definition: session.c:403
SSH_LOG_NOLOG
Definition: libssh.h:339
ssh_channel_new
LIBSSH_API ssh_channel ssh_channel_new(ssh_session session)
Allocate a new channel.
Definition: channels.c:80
ssh_set_counters
LIBSSH_API void ssh_set_counters(ssh_session session, ssh_counter scounter, ssh_counter rcounter)
Set the session data counters.
Definition: session.c:961
ssh_string_fill
int ssh_string_fill(struct ssh_string_struct *s, const void *data, size_t len)
Fill a string with given data. The string should be big enough.
Definition: string.c:87
ssh_pki_generate
LIBSSH_API int ssh_pki_generate(enum ssh_keytypes_e type, int parameter, ssh_key *pkey)
Generates a keypair.
Definition: pki.c:1758
ssh_message_subtype
LIBSSH_API int ssh_message_subtype(ssh_message msg)
Get the subtype of the message.
Definition: messages.c:558
ssh_scp_read
LIBSSH_API int ssh_scp_read(ssh_scp scp, void *buffer, size_t size)
Read from a remote scp file.
Definition: scp.c:956
ssh_string_copy
struct ssh_string_struct * ssh_string_copy(struct ssh_string_struct *s)
Copy a string, return a newly allocated string. The caller has to free the string.
Definition: string.c:221
ssh_get_poll_flags
LIBSSH_API int ssh_get_poll_flags(ssh_session session)
Get poll flags for an external mainloop.
Definition: session.c:790
ssh_key_type_from_name
LIBSSH_API 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:512
ssh_userauth_kbdint_getinstruction
const LIBSSH_API char * ssh_userauth_kbdint_getinstruction(ssh_session session)
Get the "instruction" of the message block.
Definition: auth.c:1736
ssh_scp_accept_request
LIBSSH_API 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:918
ssh_buffer_struct
Definition: buffer.c:47
ssh_init
LIBSSH_API int ssh_init(void)
Initialize global cryptographic data structures.
Definition: init.c:148
ssh_buffer_get
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:589
ssh_event_struct
Definition: poll.c:745
ssh_channel_get_session
LIBSSH_API ssh_session ssh_channel_get_session(ssh_channel channel)
Recover the session in which belongs a channel.
Definition: channels.c:3139
ssh_select
LIBSSH_API 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:316
ssh_get_error_code
LIBSSH_API int ssh_get_error_code(void *error)
Retrieve the error code from the last error.
Definition: error.c:148
ssh_get_fd
LIBSSH_API socket_t ssh_get_fd(ssh_session session)
Get the fd of a connection.
Definition: session.c:566
ssh_get_error
const LIBSSH_API char * ssh_get_error(void *error)
Retrieve the error text message from the last error.
Definition: error.c:128
ssh_finalize
LIBSSH_API int ssh_finalize(void)
Finalize and cleanup all libssh and cryptographic data structures.
Definition: init.c:221
ssh_pki_copy_cert_to_privkey
LIBSSH_API 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:2009
ssh_userauth_publickey_auto
LIBSSH_API 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:1007
ssh_print_hexa
SSH_DEPRECATED LIBSSH_API void ssh_print_hexa(const char *descr, const unsigned char *what, size_t len)
Definition: misc.c:431
ssh_known_hosts_parse_line
LIBSSH_API int ssh_known_hosts_parse_line(const char *host, const char *line, struct ssh_knownhosts_entry **entry)
Parse a line from a known_hosts entry into a structure.
Definition: knownhosts.c:612
ssh_buffer_get_len
uint32_t ssh_buffer_get_len(struct ssh_buffer_struct *buffer)
Get the length of the buffer from the current position.
Definition: buffer.c:602
ssh_buffer_reinit
int ssh_buffer_reinit(struct ssh_buffer_struct *buffer)
Reinitialize a SSH buffer.
Definition: buffer.c:259
ssh_get_server_publickey
LIBSSH_API int ssh_get_server_publickey(ssh_session session, ssh_key *key)
Get the server public key from a session.
Definition: session.c:1062
ssh_options_get_port
LIBSSH_API int ssh_options_get_port(ssh_session session, unsigned int *port_target)
This function can get ssh the ssh port. It must only be used on a valid ssh session....
Definition: options.c:1056
ssh_event_remove_fd
LIBSSH_API int ssh_event_remove_fd(ssh_event event, socket_t fd)
Remove a socket fd from an event context.
Definition: poll.c:976
ssh_event_add_connector
LIBSSH_API int ssh_event_add_connector(ssh_event event, ssh_connector connector)
Add a connector to the SSH event loop.
Definition: poll.c:936
ssh_channel_request_send_break
LIBSSH_API int ssh_channel_request_send_break(ssh_channel channel, uint32_t length)
Send a break signal to the server (as described in RFC 4335).
Definition: channels.c:2684
ssh_channel_is_eof
LIBSSH_API int ssh_channel_is_eof(ssh_channel channel)
Check if remote has sent an EOF.
Definition: channels.c:1596
ssh_agent_struct
Definition: agent.h:73
ssh_userauth_agent
LIBSSH_API int ssh_userauth_agent(ssh_session session, const char *username)
Try to do public key authentication with ssh agent.
Definition: auth.c:872
ssh_write_knownhost
SSH_DEPRECATED LIBSSH_API int ssh_write_knownhost(ssh_session session)
This function is deprecated.
Definition: known_hosts.c:499
ssh_key_free
LIBSSH_API void ssh_key_free(ssh_key key)
deallocate a SSH key
Definition: pki.c:193
ssh_channel_set_blocking
LIBSSH_API void ssh_channel_set_blocking(ssh_channel channel, int blocking)
Put the channel into blocking or nonblocking mode.
Definition: channels.c:1621
ssh_userauth_kbdint_getprompt
const LIBSSH_API char * ssh_userauth_kbdint_getprompt(ssh_session session, unsigned int i, char *echo)
Get a prompt from a message block.
Definition: auth.c:1771
ssh_set_fd_towrite
LIBSSH_API void ssh_set_fd_towrite(ssh_session session)
Tell the session it may write to the file descriptor without blocking.
Definition: session.c:593
ssh_channel_set_counter
LIBSSH_API void ssh_channel_set_counter(ssh_channel channel, ssh_counter counter)
Set the channel data counter.
Definition: channels.c:3413
ssh_string_get_char
const char * ssh_string_get_char(struct ssh_string_struct *s)
Get the the string as a C nul-terminated string.
Definition: string.c:160
ssh_session_struct
Definition: session.h:109
ssh_channel_is_closed
LIBSSH_API int ssh_channel_is_closed(ssh_channel channel)
Check if the channel is closed or not.
Definition: channels.c:1582
ssh_get_openssh_version
LIBSSH_API 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:658
ssh_channel_open_auth_agent
LIBSSH_API int ssh_channel_open_auth_agent(ssh_channel channel)
Open an agent authentication forwarding channel. This type of channel can be opened by a server towar...
Definition: channels.c:947
ssh_scp_request_get_warning
const LIBSSH_API char * ssh_scp_request_get_warning(ssh_scp scp)
Get the warning string from a scp handle.
Definition: scp.c:1110
ssh_userauth_list
LIBSSH_API int ssh_userauth_list(ssh_session session, const char *username)
Get available authentication methods from the server.
Definition: auth.c:376
ssh_get_serverbanner
const LIBSSH_API char * ssh_get_serverbanner(ssh_session session)
get the server banner
Definition: session.c:350
ssh_basename
LIBSSH_API char * ssh_basename(const char *path)
basename - parse filename component.
Definition: misc.c:902
ssh_channel_write
LIBSSH_API int ssh_channel_write(ssh_channel channel, const void *data, uint32_t len)
Blocking write on a channel.
Definition: channels.c:1553
ssh_session_is_known_server
LIBSSH_API enum ssh_known_hosts_e ssh_session_is_known_server(ssh_session session)
Check if the servers public key for the connected session is known.
Definition: knownhosts.c:1255
SSH_LOG_FUNCTIONS
Definition: libssh.h:351
ssh_channel_request_send_signal
LIBSSH_API 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:2638
ssh_buffer_new
LIBSSH_API ssh_buffer ssh_buffer_new(void)
Create a new SSH buffer.
Definition: buffer.c:119
ssh_event_remove_connector
LIBSSH_API int ssh_event_remove_connector(ssh_event event, ssh_connector connector)
Remove a connector from an event context.
Definition: poll.c:1076
ssh_set_fd_toread
LIBSSH_API 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:580
ssh_userauth_publickey
LIBSSH_API int ssh_userauth_publickey(ssh_session session, const char *username, const ssh_key privkey)
Authenticate with public/private key or certificate.
Definition: auth.c:609
ssh_pki_import_cert_base64
LIBSSH_API 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:1699
ssh_get_clientbanner
const LIBSSH_API char * ssh_get_clientbanner(ssh_session session)
get the client banner
Definition: session.c:335
ssh_scp_write
LIBSSH_API int ssh_scp_write(ssh_scp scp, const void *buffer, size_t len)
Write into a remote scp file.
Definition: scp.c:642
ssh_channel_get_exit_status
LIBSSH_API 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:3175
ssh_scp_pull_request
LIBSSH_API int ssh_scp_pull_request(ssh_scp scp)
Wait for a scp request (file, directory).
Definition: scp.c:770
ssh_channel_listen_forward
LIBSSH_API 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:2365
ssh_channel_accept_x11
LIBSSH_API ssh_channel ssh_channel_accept_x11(ssh_channel channel, int timeout_ms)
Accept an X11 forwarding channel.
Definition: channels.c:2158
ssh_get_kex_algo
const LIBSSH_API char * ssh_get_kex_algo(ssh_session session)
get the name of the current key exchange algorithm.
Definition: session.c:364
ssh_scp_leave_directory
LIBSSH_API int ssh_scp_leave_directory(ssh_scp scp)
Leave a directory.
Definition: scp.c:409
ssh_userauth_kbdint_getnprompts
LIBSSH_API int ssh_userauth_kbdint_getnprompts(ssh_session session)
Get the number of prompts (questions) the server has given.
Definition: auth.c:1691
ssh_is_server_known
SSH_DEPRECATED LIBSSH_API int ssh_is_server_known(ssh_session session)
This function is deprecated.
Definition: known_hosts.c:288
ssh_scp_deny_request
LIBSSH_API 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:882
ssh_send_ignore
LIBSSH_API int ssh_send_ignore(ssh_session session, const char *data)
Send a message that should be ignored.
Definition: session.c:870
ssh_connect
LIBSSH_API int ssh_connect(ssh_session session)
Connect to the ssh server.
Definition: client.c:507
ssh_get_hexa
LIBSSH_API char * ssh_get_hexa(const unsigned char *what, size_t len)
Convert a buffer into a colon separated hex string. The caller has to free the memory.
Definition: misc.c:403
ssh_channel_request_exec
LIBSSH_API int ssh_channel_request_exec(ssh_channel channel, const char *cmd)
Run a shell command without an interactive shell.
Definition: channels.c:2568
ssh_get_disconnect_message
const LIBSSH_API char * ssh_get_disconnect_message(ssh_session session)
Get the disconnect message from the server.
Definition: session.c:810
ssh_scp_request_get_permissions
LIBSSH_API 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:1038
ssh_get_issue_banner
LIBSSH_API char * ssh_get_issue_banner(ssh_session session)
Get the issue banner from the server.
Definition: client.c:632
ssh_pki_key_ecdsa_name
const LIBSSH_API char * ssh_pki_key_ecdsa_name(const ssh_key key)
returns the ECDSA key name ("ecdsa-sha2-nistp256" for example)
Definition: pki.c:101
ssh_key_type
LIBSSH_API enum ssh_keytypes_e ssh_key_type(const ssh_key key)
returns the type of a ssh key
Definition: pki.c:211
ssh_event_dopoll
LIBSSH_API int ssh_event_dopoll(ssh_event event, int timeout)
Poll all the sockets and sessions associated through an event object.i.
Definition: poll.c:957
ssh_buffer_get_data
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:671
ssh_userauth_none
LIBSSH_API int ssh_userauth_none(ssh_session session, const char *username)
Try to authenticate through the "none" method.
Definition: auth.c:406
ssh_new
LIBSSH_API ssh_session ssh_new(void)
Create a new ssh session.
Definition: session.c:59
ssh_key_cmp
LIBSSH_API 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:619
ssh_userauth_kbdint
LIBSSH_API int ssh_userauth_kbdint(ssh_session session, const char *user, const char *submethods)
Try to authenticate through the "keyboard-interactive" method.
Definition: auth.c:1648
ssh_string_data
void * ssh_string_data(struct ssh_string_struct *s)
Get the payload of the string.
Definition: string.c:264
ssh_knownhosts_entry_free
LIBSSH_API void ssh_knownhosts_entry_free(struct ssh_knownhosts_entry *entry)
Free an allocated ssh_knownhosts_entry.
Definition: knownhosts.c:145
ssh_channel_request_pty
LIBSSH_API int ssh_channel_request_pty(ssh_channel channel)
Request a PTY.
Definition: channels.c:1861
ssh_key_new
LIBSSH_API ssh_key ssh_key_new(void)
creates a new empty SSH key
Definition: pki.c:118
ssh_channel_is_open
LIBSSH_API int ssh_channel_is_open(ssh_channel channel)
Check if the channel is open or not.
Definition: channels.c:1566
ssh_pki_import_cert_file
LIBSSH_API int ssh_pki_import_cert_file(const char *filename, ssh_key *pkey)
Import a certificate from the given filename.
Definition: pki.c:1738
ssh_get_fingerprint_hash
LIBSSH_API char * ssh_get_fingerprint_hash(enum ssh_publickey_hash_type type, unsigned char *hash, size_t len)
Get a hash as a human-readable hex- or base64-string.
Definition: dh.c:716
ssh_channel_change_pty_size
LIBSSH_API 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:1880
ssh_is_blocking
LIBSSH_API int ssh_is_blocking(ssh_session session)
Return the blocking mode of libssh.
Definition: session.c:497
ssh_get_log_level
LIBSSH_API int ssh_get_log_level(void)
Get the log level of the library.
Definition: log.c:196
ssh_string_free
void ssh_string_free(struct ssh_string_struct *s)
Deallocate a SSH string object.
Definition: string.c:277
ssh_dirname
LIBSSH_API char * ssh_dirname(const char *path)
Parse directory component.
Definition: misc.c:847
ssh_get_publickey_hash
LIBSSH_API 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: session.c:1117
ssh_string_len
size_t ssh_string_len(struct ssh_string_struct *s)
Return the size of a SSH string.
Definition: string.c:136
ssh_get_hmac_out
const LIBSSH_API char * ssh_get_hmac_out(ssh_session session)
get the name of the output HMAC algorithm for the given session.
Definition: session.c:450
ssh_string_burn
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:249
ssh_pki_export_privkey_base64
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)
Convert a private key to a pem base64 encoded key, or OpenSSH format for keytype ssh-ed25519.
Definition: pki.c:791
ssh_options_set
LIBSSH_API 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:474
ssh_session_update_known_hosts
LIBSSH_API int ssh_session_update_known_hosts(ssh_session session)
Add the current connected server to the user known_hosts file.
Definition: knownhosts.c:965
ssh_event_free
LIBSSH_API void ssh_event_free(ssh_event event)
Free an event context.
Definition: poll.c:1089
ssh_channel_accept_forward
LIBSSH_API 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:2428
ssh_scp_new
LIBSSH_API ssh_scp ssh_scp_new(ssh_session session, int mode, const char *location)
Create a new scp session.
Definition: scp.c:61
ssh_userauth_password
LIBSSH_API int ssh_userauth_password(ssh_session session, const char *username, const char *password)
Try to authenticate by password.
Definition: auth.c:1230
ssh_free
LIBSSH_API void ssh_free(ssh_session session)
Deallocate a SSH session handle.
Definition: session.c:191
ssh_get_cipher_out
const LIBSSH_API char * ssh_get_cipher_out(ssh_session session)
get the name of the output cipher for the given session.
Definition: session.c:419
ssh_get_log_userdata
LIBSSH_API void * ssh_get_log_userdata(void)
Get the userdata of the logging function.
Definition: log.c:219
ssh_channel_poll_timeout
LIBSSH_API 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:3090
ssh_options_getopt
LIBSSH_API int ssh_options_getopt(ssh_session session, int *argcptr, char **argv)
Parse command line arguments.
Definition: options.c:1194
ssh_string_struct
Definition: string.h:29
ssh_set_log_userdata
LIBSSH_API int ssh_set_log_userdata(void *data)
Set the userdata for the logging function.
Definition: log.c:235
ssh_channel_request_shell
LIBSSH_API int ssh_channel_request_shell(ssh_channel channel)
Request a shell.
Definition: channels.c:1919
ssh_channel_request_auth_agent
LIBSSH_API int ssh_channel_request_auth_agent(ssh_channel channel)
Send an "auth-agent-req" channel request over an existing session channel.
Definition: channels.c:2173
ssh_scp_request_get_size
LIBSSH_API 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:1054
ssh_string_free_char
LIBSSH_API void ssh_string_free_char(char *s)
Deallocate a char string object.
Definition: string.c:209
ssh_userauth_try_publickey
LIBSSH_API 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:489
ssh_channel_read_nonblocking
LIBSSH_API 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:2983
ssh_options_get
LIBSSH_API 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:1114
ssh_event_remove_session
LIBSSH_API int ssh_event_remove_session(ssh_event event, ssh_session session)
Remove a session object from an event context.
Definition: poll.c:1022
ssh_channel_open_forward
LIBSSH_API 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:985
ssh_pki_import_privkey_file
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)
Import a key from a file.
Definition: pki.c:850
ssh_silent_disconnect
LIBSSH_API void ssh_silent_disconnect(ssh_session session)
Disconnect impolitely from a remote host by closing the socket.
Definition: session.c:465
ssh_scp_init
LIBSSH_API int ssh_scp_init(ssh_scp scp)
Initialize the scp channel.
Definition: scp.c:119
ssh_message_type
LIBSSH_API int ssh_message_type(ssh_message msg)
Get the type of the message.
Definition: messages.c:543
ssh_scp_request_get_filename
const LIBSSH_API 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:1023
ssh_channel_request_sftp
LIBSSH_API int ssh_channel_request_sftp(ssh_channel channel)
Request sftp subsystem on the channel.
Definition: channels.c:1990
ssh_version
const LIBSSH_API char * ssh_version(int req_version)
Check if libssh is the required version or get the version string.
Definition: misc.c:652
ssh_knownhosts_entry
Definition: libssh.h:316
ssh_blocking_flush
LIBSSH_API int ssh_blocking_flush(ssh_session session, int timeout)
Blocking flush of the outgoing buffer.
Definition: session.c:523
ssh_pki_export_privkey_to_pubkey
LIBSSH_API 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:1848
ssh_userauth_gssapi
LIBSSH_API int ssh_userauth_gssapi(ssh_session session)
Try to authenticate through the "gssapi-with-mic" method.
Definition: auth.c:1893
ssh_userauth_kbdint_getname
const LIBSSH_API char * ssh_userauth_kbdint_getname(ssh_session session)
Get the "name" of the message block.
Definition: auth.c:1713
ssh_get_status
LIBSSH_API int ssh_get_status(ssh_session session)
Get session status.
Definition: session.c:752
ssh_dump_knownhost
SSH_DEPRECATED LIBSSH_API char * ssh_dump_knownhost(ssh_session session)
This function is deprecated.
Definition: known_hosts.c:430
ssh_get_hmac_in
const LIBSSH_API char * ssh_get_hmac_in(ssh_session session)
get the name of the input HMAC algorithm for the given session.
Definition: session.c:435
ssh_options_parse_config
LIBSSH_API int ssh_options_parse_config(ssh_session session, const char *filename)
Parse the ssh config file.
Definition: options.c:1376
ssh_set_log_level
LIBSSH_API int ssh_set_log_level(int level)
Set the log level of the library.
Definition: log.c:181
ssh_pki_import_pubkey_base64
LIBSSH_API 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:1470
ssh_clean_pubkey_hash
LIBSSH_API void ssh_clean_pubkey_hash(unsigned char **hash)
Deallocate the hash obtained by ssh_get_pubkey_hash.
Definition: session.c:1046
ssh_message_free
LIBSSH_API void ssh_message_free(ssh_message msg)
Free a SSH message.
Definition: messages.c:582
ssh_message_get
LIBSSH_API ssh_message ssh_message_get(ssh_session session)
Retrieve a SSH message from a SSH session.
Definition: messages.c:516
SSH_LOG_PROTOCOL
Definition: libssh.h:345
ssh_getpass
LIBSSH_API int ssh_getpass(const char *prompt, char *buf, size_t len, int echo, int verify)
Get a password from the console.
Definition: getpass.c:212