1libssh2_session_method_pref(3)  libssh2 manual  libssh2_session_method_pref(3)
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NAME

6       libssh2_session_method_pref - set preferred key exchange method
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SYNOPSIS

9       #include <libssh2.h>
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11       int     libssh2_session_method_pref(LIBSSH2_SESSION    *session,    int
12       method_type, const char *prefs);
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DESCRIPTION

16       session - Session instance as returned by libssh2_session_init_ex(3)
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18       method_type - One of the Method Type constants.
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20       prefs - Coma delimited list of preferred methods to use with  the  most
21       preferred  listed  first  and  the  least  preferred listed last.  If a
22       method is listed which is not supported by libssh2 it will  be  ignored
23       and not sent to the remote host during protocol negotiation.
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25       Set  preferred methods to be negotiated. These preferrences must be set
26       prior to calling libssh2_session_handshake(3) as they are  used  during
27       the protocol initiation phase.
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RETURN VALUE

31       Return   0  on  success  or  negative  on  failure.   It  returns  LIB‐
32       SSH2_ERROR_EAGAIN  when  it   would   otherwise   block.   While   LIB‐
33       SSH2_ERROR_EAGAIN  is  a negative number, it isn't really a failure per
34       se.
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ERRORS

38       LIBSSH2_ERROR_INVAL - The requested method type was invalid.
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40       LIBSSH2_ERROR_ALLOC -  An internal memory allocation call failed.
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42       LIBSSH2_ERROR_METHOD_NOT_SUPPORTED - The requested method is  not  sup‐
43       ported.
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SEE ALSO

47       libssh2_session_init_ex(3) libssh2_session_handshake(3)
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51libssh2 0.15                      1 Jun 2007    libssh2_session_method_pref(3)
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