libssh2_session_flag(3) libssh2 manual libssh2_session_flag(3)NAME
libssh2_session_flag - TODO
SYNOPSIS
int libssh2_session_flag(LIBSSH2_SESSION *session, int flag, int value);
DESCRIPTION
Set options for the created session. flag is the option to set, while value is typically set to 1 or 0 to enable or disable the option.
FLAGS
LIBSSH2_FLAG_SIGPIPE
If set, libssh2 will not attempt to block SIGPIPEs but will let them trigger from the underlying socket layer.
LIBSSH2_FLAG_COMPRESS
If set - before the connection negotiation is performed - libssh2 will try to negotiate compression enabling for this connection. By
default libssh2 will not attempt to use compression.
RETURN VALUE
Returns regular libssh2 error code.
AVAILABILITY
This function has existed since the age of dawn. LIBSSH2_FLAG_COMPRESS was added in version 1.2.8.
SEE ALSO libssh2 0.15 1 Jun 2007 libssh2_session_flag(3)
Check Out this Related Man Page
libssh2_session_supported_algs(3) libssh2 manual libssh2_session_supported_algs(3)NAME
libssh2_session_supported_algs - get list of supported algorithms
SYNOPSIS
#include <libssh2.h>
int libssh2_session_supported_algs(LIBSSH2_SESSION* session,
int method_type,
const char*** algs);
DESCRIPTION
session - An instance of initialized LIBSSH2_SESSION (the function will use its pointer to the memory allocation function). method_type -
Method type. See .BR libssh2_session_method_pref(3). algs - Address of a pointer that will point to an array af returned algorithms
Get a list of supported algorithms for the given method_type. The method_type parameter is equivalent to method_type in libssh2_ses-
sion_method_pref(3). If successful, the function will allocate the appropriate amount of memory. When not needed anymore, it must be deal-
located by calling libssh2_free(3). When this function is unsuccessful, this must not be done.
In order to get a list of all supported compression algorithms, libssh2_session_flag(session, LIBSSH2_FLAG_COMPRESS, 1) must be called
before calling this function, otherwise only "none" will be returned.
If successful, the function will allocate and fill the array with supported algorithms (the same names as defined in RFC 4253). The array
is not NULL terminated.
EXAMPLE
#include "libssh2.h"
const char **algorithms;
int rc, i;
LIBSSH2_SESSION *session;
/* initilize session */
session = libssh2_session_init();
rc = libssh2_session_supported_algs(session,
LIBSSH2_METHOD_CRYPT_CS,
&algorithms);
if (rc>0) {
/* the call succeeded, do sth. with the list of algorithms
(e.g. list them)... */
printf("Supported symmetric algorithms:0);
for ( i=0; i<rc; i++ )
printf("%s0, algorithms[i]);
/* ... and free the allocated memory when not needed anymore */
libssh2_free(session, algorithms);
}
else {
/* call failed, error handling */
}
RETURN VALUE
On success, a number of returned algorithms (i.e a positive number will be returned). In case of a failure, an error code (a negative num-
ber, see below) is returned. 0 should never be returned.
ERRORS
LIBSSH2_ERROR_BAD_USE - Invalid address of algs.
LIBSSH2_ERROR_METHOD_NOT_SUPPORTED - Unknown method type.
LIBSSH2_ERROR_INVAL - Internal error (normally should not occur).
LIBSSH2_ERROR_ALLOC - Allocation of memory failed.
AVAILABILITY
Added in 1.4.0
SEE ALSO libssh2_session_methods(3), libssh2_session_method_pref(3)libssh2_free(3)libssh2 1.4.0 23 Oct 2011 libssh2_session_supported_algs(3)
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