sasl_checkpass (3) - Linux Manuals
sasl_checkpass: Check a plaintext password
NAME
sasl_checkpass - Check a plaintext passwordSYNOPSIS
#include <sasl/sasl.h> int sasl_checkpass(sasl_conn_t *conn, const char *user, unsigned userlen, const char *pass, unsigned passlen);
DESCRIPTION
sasl_checkpass() will check a plaintext password. This is needed for protocols that had a login method before SASL (for example the LOGIN command in IMAP). The password is checked with the pwcheck_method See sasl_callbacks(3) for information on how this parameter is set.