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libssh2_userauth_list(3) libssh2 libssh2_userauth_list(3) NAME libssh2_userauth_list - list supported authentication methods SYNOPSIS #include <libssh2.h> char * libssh2_userauth_list(LIBSSH2_SESSION *session, const char *username, unsigned int username_len); DESCRIPTION session - Session instance as returned by libssh2_session_init_ex(3) username - Username which will be used while authenticating. Note that most server implementations do not permit attempting authentication with differ- ent usernames between requests. Therefore this must be the same username you will use on later userauth calls. username_len - Length of username parameter. Send a SSH_USERAUTH_NONE request to the remote host. Unless the remote host is configured to accept none as a viable authentication scheme (unlikely), it will return SSH_USERAUTH_FAILURE along with a listing of what authenti- cation schemes it does support. In the unlikely event that none authentica- tion succeeds, this method with return NULL. This case may be distinguished from a failing case by examining libssh2_userauth_authenticated(3). RETURN VALUE On success a comma delimited list of supported authentication schemes. This list is internally managed by libssh2. On failure returns NULL. ERRORS LIBSSH2_ERROR_ALLOC - An internal memory allocation call failed. LIBSSH2_ERROR_SOCKET_SEND - Unable to send data on socket. LIBSSH2_ERROR_EAGAIN - Marked for non-blocking I/O but the call SEE ALSO libssh2_session_init_ex(3) libssh2 0.15 1 Jun 2007 libssh2_userauth_list(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | ERRORS | SEE ALSO
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