ABI compliance report for the library libssh from version 0.3.4 to 0.4.0 on x86_64

Summary

Total header files checked	6
Total shared objects checked	1
Total interfaces / types checked	250 / 70
Verdict	Incompatible

Problem Summary

Added interfaces		55
Withdrawn interfaces		26
Problems in Data Types	High risk	0
	Medium risk	0
	Low risk	4
Interface problems	High risk	0
	Medium risk	2
	Low risk	81
Constants Problems		8

Added Interfaces (55)

callbacks.h, libssh.so.4.0.0
ssh_set_callbacks (ssh_session session, ssh_callbacks cb)

libssh.h, libssh.so.4.0.0
channel_accept_x11 (ssh_channel channel, int timeout_ms)
channel_forward_accept (ssh_session session, int timeout_ms)
channel_forward_cancel (ssh_session session, char const* address, int port)
channel_forward_listen (ssh_session session, char const* address, int port, int* bound_port)
channel_request_send_signal (ssh_channel channel, char const* signum)
channel_request_x11 (ssh_channel channel, int single_connection, char const* protocol, char const* cookie, int screen_number)
ssh_clean_pubkey_hash (unsigned char** hash)
ssh_free (ssh_session session)
ssh_message_retrieve (ssh_session session, uint32_t packettype)
ssh_options_parse_config (ssh_session session, char const* filename)
ssh_options_set (ssh_session session, ssh_options_e type, void const* value)
ssh_scp_accept_request (ssh_scp scp)
ssh_scp_close (ssh_scp scp)
ssh_scp_deny_request (ssh_scp scp, char const* reason)
ssh_scp_free (ssh_scp scp)
ssh_scp_init (ssh_scp scp)
ssh_scp_leave_directory (ssh_scp scp)
ssh_scp_new (ssh_session session, int mode, char const* location)
ssh_scp_pull_request (ssh_scp scp)
ssh_scp_push_directory (ssh_scp scp, char const* dirname, int mode)
ssh_scp_push_file (ssh_scp scp, char const* filename, size_t size, int perms)
ssh_scp_read (ssh_scp scp, void* buffer, size_t size)
ssh_scp_request_get_filename (ssh_scp scp)
ssh_scp_request_get_permissions (ssh_scp scp)
ssh_scp_request_get_size (ssh_scp scp)
ssh_scp_request_get_warning (ssh_scp scp)
ssh_scp_write (ssh_scp scp, void const* buffer, size_t len)

server.h, libssh.so.4.0.0
channel_write_stderr (ssh_channel channel, void const* data, uint32_t len)
ssh_bind_options_set (ssh_bind sshbind, ssh_bind_options_e type, void const* value)
ssh_message_auth_publickey (ssh_message msg)
ssh_message_auth_reply_pk_ok (ssh_message msg, ssh_string algo, ssh_string pubkey)
ssh_message_channel_request_channel (ssh_message msg)
ssh_message_channel_request_command (ssh_message msg)
ssh_message_channel_request_env_name (ssh_message msg)
ssh_message_channel_request_env_value (ssh_message msg)
ssh_message_channel_request_open_destination (ssh_message msg)
ssh_message_channel_request_open_destination_port (ssh_message msg)
ssh_message_channel_request_open_originator (ssh_message msg)
ssh_message_channel_request_open_originator_port (ssh_message msg)
ssh_message_channel_request_pty_height (ssh_message msg)
ssh_message_channel_request_pty_pxheight (ssh_message msg)
ssh_message_channel_request_pty_pxwidth (ssh_message msg)
ssh_message_channel_request_pty_term (ssh_message msg)
ssh_message_channel_request_pty_width (ssh_message msg)
ssh_message_service_reply_success (ssh_message msg)
ssh_message_service_service (ssh_message msg)
ssh_set_message_callback (ssh_session session, int(*ssh_message_callback)(ssh_session,ssh_message))

sftp.h, libssh.so.4.0.0
sftp_extension_supported (sftp_session sftp, char const* name, char const* data)
sftp_extensions_get_count (sftp_session sftp)
sftp_extensions_get_data (sftp_session sftp, unsigned int indexn)
sftp_extensions_get_name (sftp_session sftp, unsigned int indexn)
sftp_fstatvfs (sftp_file file)
sftp_statvfs (sftp_session sftp, char const* path)
sftp_statvfs_free (sftp_statvfs_t statvfs_o)

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Withdrawn Interfaces (26)

libssh.h, libssh.so.3.4.0
ssh_options_allow_ssh1 (SSH_OPTIONS* opt, int allow)
ssh_options_allow_ssh2 (SSH_OPTIONS* opt, int allow)
ssh_options_free (SSH_OPTIONS* opt)
ssh_options_new ()
ssh_options_set_auth_callback (SSH_OPTIONS* opt, ssh_auth_callback cb, void* userdata)
ssh_options_set_banner (SSH_OPTIONS* opt, char const* banner)
ssh_options_set_bind (SSH_OPTIONS* opt, char const* bindaddr, int port)
ssh_options_set_dsa_server_key (SSH_OPTIONS* opt, char const* dsakey)
ssh_options_set_fd (SSH_OPTIONS* opt, socket_t fd)
ssh_options_set_host (SSH_OPTIONS* opt, char const* host)
ssh_options_set_identity (SSH_OPTIONS* opt, char const* identity)
ssh_options_set_known_hosts_file (SSH_OPTIONS* opt, char const* dir)
ssh_options_set_log_function (SSH_OPTIONS* opt, void(*callback)(char const*,SSH_SESSION*,int))
ssh_options_set_log_verbosity (SSH_OPTIONS* opt, int verbosity)
ssh_options_set_port (SSH_OPTIONS* opt, unsigned int port)
ssh_options_set_rsa_server_key (SSH_OPTIONS* opt, char const* rsakey)
ssh_options_set_ssh_dir (SSH_OPTIONS* opt, char const* dir)
ssh_options_set_status_callback (SSH_OPTIONS* opt, void(*callback)(void*,float), void* arg)
ssh_options_set_timeout (SSH_OPTIONS* opt, long seconds, long usec)
ssh_options_set_username (SSH_OPTIONS* opt, char const* username)
ssh_options_set_wanted_algos (SSH_OPTIONS* opt, int algo, char const* list)
ssh_set_options (SSH_SESSION* session, SSH_OPTIONS* options)

server.h, libssh.so.3.4.0
ssh_bind_set_options (SSH_BIND* ssh_bind, SSH_OPTIONS* options)

sftp.h, libssh.so.3.4.0
sftp_dir_close (SFTP_DIR* dir)
sftp_file_close (SFTP_FILE* file)
sftp_rm (SFTP_SESSION* sftp, char const* file)

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Problems in Data Types, Low risk (4)

sftp.h
[+] sftp_session_struct (4)

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Interface problems, Medium risk (2)

libssh.h, libssh.so.3.4.0
[+] ssh_options_copy (SSH_OPTIONS* opt) (1)

server.h, libssh.so.3.4.0
[+] ssh_bind_accept (SSH_BIND* ssh_bind) (1)

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Interface problems, Low risk (81)

libssh.h, libssh.so.3.4.0
[+] buffer_get_len (BUFFER* buffer) (1)
[+] channel_read (CHANNEL* channel, void* dest, u32 count, int is_stderr) (1)
[+] channel_read_buffer (CHANNEL* channel, BUFFER* buffer, u32 count, int is_stderr) (1)
[+] channel_read_nonblocking (CHANNEL* channel, void* dest, u32 count, int is_stderr) (1)
[+] channel_write (CHANNEL* channel, void const* data, u32 len) (1)

sftp.h, libssh.so.3.4.0
[+] buffer_add_attributes (BUFFER* buffer, SFTP_ATTRIBUTES* attr) (1)
[+] sftp_async_read (SFTP_FILE* file, void* data, u32 len, u32 id) (3)
[+] sftp_async_read_begin (SFTP_FILE* file, u32 len) (2)
[+] sftp_attributes_free (SFTP_ATTRIBUTES* file) (1)
[+] sftp_canonicalize_path (SFTP_SESSION* sftp, char const* path) (1)
[+] sftp_chmod (SFTP_SESSION* sftp, char const* file, mode_t mode) (1)
[+] sftp_chown (SFTP_SESSION* sftp, char const* file, uid_t owner, gid_t group) (1)
[+] sftp_client_message_free (SFTP_CLIENT_MESSAGE* msg) (1)
[+] sftp_close (SFTP_FILE* file) (1)
[+] sftp_closedir (SFTP_DIR* dir) (1)
[+] sftp_dir_eof (SFTP_DIR* dir) (1)
[+] sftp_file_set_blocking (SFTP_FILE* handle) (1)
[+] sftp_file_set_nonblocking (SFTP_FILE* handle) (1)
[+] sftp_free (SFTP_SESSION* sftp) (1)
[+] sftp_fstat (SFTP_FILE* file) (2)
[+] sftp_get_client_message (SFTP_SESSION* sftp) (2)
[+] sftp_get_error (SFTP_SESSION* sftp) (1)
[+] sftp_handle (SFTP_SESSION* sftp, STRING* handle) (1)
[+] sftp_handle_alloc (SFTP_SESSION* sftp, void* info) (1)
[+] sftp_handle_remove (SFTP_SESSION* sftp, void* handle) (1)
[+] sftp_init (SFTP_SESSION* sftp) (1)
[+] sftp_lstat (SFTP_SESSION* session, char const* path) (2)
[+] sftp_mkdir (SFTP_SESSION* sftp, char const* directory, mode_t mode) (1)
[+] sftp_new (SSH_SESSION* session) (1)
[+] sftp_open (SFTP_SESSION* session, char const* file, int flags, mode_t mode) (2)
[+] sftp_opendir (SFTP_SESSION* session, char const* path) (2)
[+] sftp_packet_free (SFTP_PACKET* packet) (1)
[+] sftp_packet_read (SFTP_SESSION* sftp) (2)
[+] sftp_packet_write (SFTP_SESSION* sftp, u8 type, BUFFER* payload) (2)
[+] sftp_parse_attr (SFTP_SESSION* session, BUFFER* buf, int expectname) (2)
[+] sftp_read (SFTP_FILE* file, void* buf, size_t count) (1)
[+] sftp_readdir (SFTP_SESSION* session, SFTP_DIR* dir) (3)
[+] sftp_readlink (SFTP_SESSION* sftp, char const* path) (1)
[+] sftp_rename (SFTP_SESSION* sftp, char const* original, char const* newname) (1)
[+] sftp_reply_attr (SFTP_CLIENT_MESSAGE* msg, SFTP_ATTRIBUTES* attr) (2)
[+] sftp_reply_data (SFTP_CLIENT_MESSAGE* msg, void const* data, int len) (1)
[+] sftp_reply_handle (SFTP_CLIENT_MESSAGE* msg, STRING* handle) (1)
[+] sftp_reply_name (SFTP_CLIENT_MESSAGE* msg, char const* name, SFTP_ATTRIBUTES* attr) (2)
[+] sftp_reply_names (SFTP_CLIENT_MESSAGE* msg) (1)
[+] sftp_reply_names_add (SFTP_CLIENT_MESSAGE* msg, char const* file, char const* longname, SFTP_ATTRIBUTES* attr) (2)
[+] sftp_reply_status (SFTP_CLIENT_MESSAGE* msg, u32 status, char const* message) (2)
[+] sftp_rewind (SFTP_FILE* file) (1)
[+] sftp_rmdir (SFTP_SESSION* sftp, char const* directory) (1)
[+] sftp_seek (SFTP_FILE* file, u32 new_offset) (2)
[+] sftp_seek64 (SFTP_FILE* file, u64 new_offset) (2)
[+] sftp_server_version (SFTP_SESSION* sftp) (1)
[+] sftp_setstat (SFTP_SESSION* sftp, char const* file, SFTP_ATTRIBUTES* attr) (2)
[+] sftp_stat (SFTP_SESSION* session, char const* path) (2)
[+] sftp_symlink (SFTP_SESSION* sftp, char const* target, char const* dest) (1)
[+] sftp_tell (SFTP_FILE* file) (1)
[+] sftp_tell64 (SFTP_FILE* file) (2)
[+] sftp_unlink (SFTP_SESSION* sftp, char const* file) (1)
[+] sftp_utimes (SFTP_SESSION* sftp, char const* file, timeval const* times) (1)
[+] sftp_write (SFTP_FILE* file, void const* buf, size_t count) (1)

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Constants Problems (8)

libssh.h
[+] LIBSSH_VERSION_MINOR
[+] SSH_AUTH_METHOD_HOSTBASED
[+] SSH_AUTH_METHOD_INTERACTIVE
[+] SSH_AUTH_METHOD_PASSWORD
[+] SSH_AUTH_METHOD_PUBLICKEY
[+] SSH_CLOSED
[+] SSH_CLOSED_ERROR
[+] SSH_READ_PENDING

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Checked header files (6)

crypto.h
libssh.h
server.h
sftp.h
ssh1.h
ssh2.h

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Checked shared objects (1)

libssh.so.3.4.0

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	Incompatibility	Effect
1	Size of this type has been changed from 56 to 64 bytes.	Change of type size may lead to different effects in different contexts. [+] ...
2	Base type of member queue (pointer) has been changed from request_queue to sftp_request_queue_struct.	Possible access of applications to incorrect memory via member pointer.
3	Type of member id_counter has been changed from u32 to uint32_t.	Replacement of the member data type may indicate a change in the semantic meaning of the member.
4	Member ext has been added to this type.	The size of the inclusive type has been changed.

	Incompatibility	Effect
1	2nd parameter dest has been added to the interface signature.	This parameter will not be initialized by applications.

	Incompatibility	Effect
1	2nd parameter session has been added to the interface signature.	This parameter will not be initialized by applications.

	Incompatibility	Effect
1	Type of return value has been changed from u32 to uint32_t.	Replacement of return type may indicate a change in its semantic meaning.

	Incompatibility	Effect
1	Type of 3rd parameter count has been changed from u32 to uint32_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.

	Incompatibility	Effect
1	Type of 3rd parameter len has been changed from u32 to uint32_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.

	Incompatibility	Effect
1	Base type of 2nd parameter attr (pointer) has been changed from sftp_attributes to sftp_attributes_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Type of 2nd parameter len has been changed from u32 to uint32_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.
2	Base type of 1st parameter file (pointer) has been changed from sftp_file to sftp_file_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Type of 1st parameter sftp has been changed from SFTP_SESSION* to sftp_session.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.

	Incompatibility	Effect
1	Base type of 1st parameter msg (pointer) has been changed from sftp_client_message to sftp_client_message_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Base type of 1st parameter dir (pointer) has been changed from sftp_dir to sftp_dir_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Base type of 1st parameter handle (pointer) has been changed from sftp_file to sftp_file_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Base type of return value has been changed from sftp_attributes to sftp_attributes_struct.	Replacement of return base type may indicate a change in its semantic meaning.
2	Base type of 1st parameter file (pointer) has been changed from sftp_file to sftp_file_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Type of 1st parameter session has been changed from SFTP_SESSION* to sftp_session.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.
2	Base type of return value has been changed from sftp_attributes to sftp_attributes_struct.	Replacement of return base type may indicate a change in its semantic meaning.

	Incompatibility	Effect
1	Base type of 1st parameter packet (pointer) has been changed from SFTP_PACKET to sftp_packet_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Type of 2nd parameter type has been changed from u8 to uint8_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.
2	Type of 1st parameter sftp has been changed from SFTP_SESSION* to sftp_session.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.

	Incompatibility	Effect
1	Type of 2nd parameter status has been changed from u32 to uint32_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.
2	Base type of 1st parameter msg (pointer) has been changed from sftp_client_message to sftp_client_message_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	Type of 2nd parameter new_offset has been changed from u32 to uint32_t.	Replacement of parameter data type may indicate a change in the semantic meaning of this parameter.
2	Base type of 1st parameter file (pointer) has been changed from sftp_file to sftp_file_struct.	Memory stored by pointer may be incorrectly initialized by applications.

	Incompatibility	Effect
1	The value of constant LIBSSH_VERSION_MINOR has been changed from 3 to 4.	If application uses this constant as a parameter of some interface than its execution may change.

	Incompatibility	Effect
1	The value of constant SSH_AUTH_METHOD_HOSTBASED has been changed from 0x0004 to 0x0008.	If application uses this constant as a parameter of some interface than its execution may change.

	Incompatibility	Effect
1	The value of constant SSH_CLOSED has been changed from (1<<0) to 0x01.	If application uses this constant as a parameter of some interface than its execution may change.

	Incompatibility	Effect
1	The value of constant SSH_CLOSED_ERROR has been changed from (1<<2) to 0x04.	If application uses this constant as a parameter of some interface than its execution may change.

	Incompatibility	Effect
1	The value of constant SSH_READ_PENDING has been changed from (1<<1) to 0x02.	If application uses this constant as a parameter of some interface than its execution may change.