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4 Extended GSS API

None of the following functions are standard GSS API functions. As such, they are not declared in gss/api.h, but rather in gss/ext.h (which is included from gss.h). See Header.

gss_check_version

— Function: const char * gss_check_version (const char * req_version)

req_version: version string to compare with, or NULL

Check that the version of the library is at minimum the one given as a string in @req_version.

Return value: The actual version string of the library; NULL if the condition is not met. If NULL is passed to this function no check is done and only the version string is returned.

gss_userok

— Function: int gss_userok (const gss_name_t name, const char * username)

name: (gss_name_t, read) Name to be compared.

username: Zero terminated string with username.

Compare the username against the output from gss_export_name() invoked on @name, after removing the leading OID. This answers the question whether the particular mechanism would authenticate them as the same principal

Return value: Returns 0 if the names match, non-0 otherwise.