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Diffstat (limited to 'dhcpcd/auth.h')
| -rw-r--r-- | dhcpcd/auth.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/dhcpcd/auth.h b/dhcpcd/auth.h new file mode 100644 index 00000000..cd5f5443 --- /dev/null +++ b/dhcpcd/auth.h @@ -0,0 +1,79 @@ +/* + * dhcpcd - DHCP client daemon + * Copyright (c) 2006-2014 Roy Marples <roy@marples.name> + * All rights reserved + + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + +#ifndef AUTH_H +#define AUTH_H + +#include <sys/queue.h> + +#define DHCPCD_AUTH_SEND (1 << 0) +#define DHCPCD_AUTH_REQUIRE (1 << 1) + +#define AUTH_PROTO_TOKEN 0 +#define AUTH_PROTO_DELAYED 1 +#define AUTH_PROTO_DELAYEDREALM 2 +#define AUTH_PROTO_RECONFKEY 3 + +#define AUTH_ALG_HMAC_MD5 1 + +#define AUTH_RDM_MONOTONIC 0 + +struct token { + TAILQ_ENTRY(token) next; + uint32_t secretid; + unsigned int realm_len; + unsigned char *realm; + unsigned int key_len; + unsigned char *key; + time_t expire; +}; + +TAILQ_HEAD(token_head, token); + +struct auth { + int options; + uint8_t protocol; + uint8_t algorithm; + uint8_t rdm; + struct token_head tokens; +}; + +struct authstate { + uint64_t replay; + const struct token *token; + struct token *reconf; +}; + +const struct token * dhcp_auth_validate(struct authstate *, + const struct auth *, + const uint8_t *, unsigned int, int, int, + const uint8_t *, unsigned int); + +int dhcp_auth_encode(const struct auth *, const struct token *, + uint8_t *, unsigned int, int, int, + uint8_t *, unsigned int); +#endif |