X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/567c0ca977b29670af9c2b66d221d03ce844c6f1..ae8ef7d3f4cfcab63518ea97a5eb2d03f2da9b53:/h/netsec.h diff --git a/h/netsec.h b/h/netsec.h index e652a6f4..6d3e1767 100644 --- a/h/netsec.h +++ b/h/netsec.h @@ -1,11 +1,9 @@ -/* - * Network security library routines for nmh. +/* netsec.h -- network-security library routines. * * These are a common set of routines to handle network security for * things like SASL and OpenSSL. */ -struct _netsec_context; typedef struct _netsec_context netsec_context; /* @@ -34,10 +32,11 @@ void netsec_shutdown(netsec_context *ns_context, int closeflag); * Arguments: * * ns_context - Network security context - * fd - File descriptor of network connection. + * readfd - Read file descriptor of remote connection. + * writefd - Write file descriptor of remote connection */ -void netsec_set_fd(netsec_context *ns_context, int fd); +void netsec_set_fd(netsec_context *ns_context, int readfd, int writefd); /* * Set the userid used to authenticate to this connection. @@ -50,6 +49,19 @@ void netsec_set_fd(netsec_context *ns_context, int fd); void netsec_set_userid(netsec_context *ns_context, const char *userid); +/* + * Set the hostname of the server we're connecting to. This is used + * by the Cyrus-SASL library and by the TLS code. This must be called + * before netsec_negotiate_tls() or netsec_set_sasl_params(). + * + * Arguments: + * + * ns_context - Network security context + * hostname - FQDN of remote host. Cannot be NULL. + */ + +void netsec_set_hostname(netsec_context *ns_context, const char *hostname); + /* * Returns "snoop" status on current connection. * @@ -138,7 +150,7 @@ void netsec_set_timeout(netsec_context *ns_context, int timeout); * Returns pointer to string, or NULL on error. */ -char *netsec_readline(netsec_context *ns_context, size_t *lenght, +char *netsec_readline(netsec_context *ns_context, size_t *length, char **errstr); /* @@ -299,7 +311,6 @@ typedef int (*netsec_sasl_callback)(enum sasl_message_type mtype, * Arguments: * * ns_context - Network security context - * hostname - Fully qualified hostname of remote host. * service - Service name (set to NULL to disable SASL). * mechanism - The mechanism desired by the user. If NULL, the SASL * library will attempt to negotiate the best mechanism. @@ -309,8 +320,8 @@ typedef int (*netsec_sasl_callback)(enum sasl_message_type mtype, * Returns NOTOK if SASL is not supported. */ -int netsec_set_sasl_params(netsec_context *ns_context, const char *hostname, - const char *service, const char *mechanism, +int netsec_set_sasl_params(netsec_context *ns_context, const char *service, + const char *mechanism, netsec_sasl_callback callback, char **errstr); /* @@ -363,17 +374,23 @@ int netsec_set_oauth_service(netsec_context *ns_context, const char *service); * Controls whether or not TLS will be negotiated for this connection. * * Note: callers still have to call netsec_tls_negotiate() to start - * TLS negotiation at the appropriate point in the protocol. + * TLS negotiation at the appropriate point in the protocol. The + * remote hostname (controlled by netsec_set_hostname()) should have + * already been set before this function is called unless certificate + * verification is disabled. * * Arguments * * tls - If nonzero, enable TLS. Otherwise disable TLS * negotiation. + * noverify - If nonzero, disable server certificate and hostname + * validation. * * Returns NOTOK if TLS is not supported or was unable to initialize. */ -int netsec_set_tls(netsec_context *context, int tls, char **errstr); +int netsec_set_tls(netsec_context *context, int tls, int noverify, + char **errstr); /* * Start TLS negotiation on this protocol. This connection should have