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			331 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			331 lines
		
	
	
	
		
			9.3 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
// SPDX-License-Identifier: ((GPL-2.0 WITH Linux-syscall-note) OR BSD-3-Clause)
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/* Do not edit directly, auto-generated from: */
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/*	Documentation/netlink/specs/handshake.yaml */
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/* YNL-GEN user source */
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#include <stdlib.h>
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#include <string.h>
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#include "handshake-user.h"
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#include "ynl.h"
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#include <linux/handshake.h>
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#include <libmnl/libmnl.h>
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#include <linux/genetlink.h>
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/* Enums */
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static const char * const handshake_op_strmap[] = {
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	[HANDSHAKE_CMD_READY] = "ready",
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	[HANDSHAKE_CMD_ACCEPT] = "accept",
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	[HANDSHAKE_CMD_DONE] = "done",
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};
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const char *handshake_op_str(int op)
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{
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	if (op < 0 || op >= (int)MNL_ARRAY_SIZE(handshake_op_strmap))
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		return NULL;
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	return handshake_op_strmap[op];
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}
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static const char * const handshake_handler_class_strmap[] = {
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	[0] = "none",
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	[1] = "tlshd",
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	[2] = "max",
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};
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const char *handshake_handler_class_str(enum handshake_handler_class value)
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{
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	if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_handler_class_strmap))
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		return NULL;
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	return handshake_handler_class_strmap[value];
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}
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static const char * const handshake_msg_type_strmap[] = {
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	[0] = "unspec",
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	[1] = "clienthello",
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	[2] = "serverhello",
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};
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const char *handshake_msg_type_str(enum handshake_msg_type value)
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{
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	if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_msg_type_strmap))
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		return NULL;
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	return handshake_msg_type_strmap[value];
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}
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static const char * const handshake_auth_strmap[] = {
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	[0] = "unspec",
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	[1] = "unauth",
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	[2] = "psk",
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	[3] = "x509",
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};
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const char *handshake_auth_str(enum handshake_auth value)
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{
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	if (value < 0 || value >= (int)MNL_ARRAY_SIZE(handshake_auth_strmap))
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		return NULL;
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	return handshake_auth_strmap[value];
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}
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/* Policies */
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struct ynl_policy_attr handshake_x509_policy[HANDSHAKE_A_X509_MAX + 1] = {
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	[HANDSHAKE_A_X509_CERT] = { .name = "cert", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_X509_PRIVKEY] = { .name = "privkey", .type = YNL_PT_U32, },
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};
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struct ynl_policy_nest handshake_x509_nest = {
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	.max_attr = HANDSHAKE_A_X509_MAX,
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	.table = handshake_x509_policy,
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};
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struct ynl_policy_attr handshake_accept_policy[HANDSHAKE_A_ACCEPT_MAX + 1] = {
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	[HANDSHAKE_A_ACCEPT_SOCKFD] = { .name = "sockfd", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_HANDLER_CLASS] = { .name = "handler-class", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_MESSAGE_TYPE] = { .name = "message-type", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_TIMEOUT] = { .name = "timeout", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_AUTH_MODE] = { .name = "auth-mode", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_PEER_IDENTITY] = { .name = "peer-identity", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_ACCEPT_CERTIFICATE] = { .name = "certificate", .type = YNL_PT_NEST, .nest = &handshake_x509_nest, },
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	[HANDSHAKE_A_ACCEPT_PEERNAME] = { .name = "peername", .type = YNL_PT_NUL_STR, },
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};
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struct ynl_policy_nest handshake_accept_nest = {
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	.max_attr = HANDSHAKE_A_ACCEPT_MAX,
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	.table = handshake_accept_policy,
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};
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struct ynl_policy_attr handshake_done_policy[HANDSHAKE_A_DONE_MAX + 1] = {
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	[HANDSHAKE_A_DONE_STATUS] = { .name = "status", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_DONE_SOCKFD] = { .name = "sockfd", .type = YNL_PT_U32, },
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	[HANDSHAKE_A_DONE_REMOTE_AUTH] = { .name = "remote-auth", .type = YNL_PT_U32, },
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};
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struct ynl_policy_nest handshake_done_nest = {
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	.max_attr = HANDSHAKE_A_DONE_MAX,
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	.table = handshake_done_policy,
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};
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/* Common nested types */
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void handshake_x509_free(struct handshake_x509 *obj)
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{
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}
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int handshake_x509_parse(struct ynl_parse_arg *yarg,
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			 const struct nlattr *nested)
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{
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	struct handshake_x509 *dst = yarg->data;
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	const struct nlattr *attr;
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	mnl_attr_for_each_nested(attr, nested) {
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		unsigned int type = mnl_attr_get_type(attr);
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		if (type == HANDSHAKE_A_X509_CERT) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.cert = 1;
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			dst->cert = mnl_attr_get_u32(attr);
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		} else if (type == HANDSHAKE_A_X509_PRIVKEY) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.privkey = 1;
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			dst->privkey = mnl_attr_get_u32(attr);
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		}
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	}
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	return 0;
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}
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/* ============== HANDSHAKE_CMD_ACCEPT ============== */
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/* HANDSHAKE_CMD_ACCEPT - do */
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void handshake_accept_req_free(struct handshake_accept_req *req)
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{
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	free(req);
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}
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void handshake_accept_rsp_free(struct handshake_accept_rsp *rsp)
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{
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	unsigned int i;
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	free(rsp->peer_identity);
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	for (i = 0; i < rsp->n_certificate; i++)
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		handshake_x509_free(&rsp->certificate[i]);
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	free(rsp->certificate);
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	free(rsp->peername);
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	free(rsp);
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}
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int handshake_accept_rsp_parse(const struct nlmsghdr *nlh, void *data)
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{
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	struct ynl_parse_arg *yarg = data;
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	struct handshake_accept_rsp *dst;
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	unsigned int n_peer_identity = 0;
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	unsigned int n_certificate = 0;
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	const struct nlattr *attr;
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	struct ynl_parse_arg parg;
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	int i;
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	dst = yarg->data;
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	parg.ys = yarg->ys;
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	if (dst->certificate)
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		return ynl_error_parse(yarg, "attribute already present (accept.certificate)");
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	if (dst->peer_identity)
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		return ynl_error_parse(yarg, "attribute already present (accept.peer-identity)");
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	mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
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		unsigned int type = mnl_attr_get_type(attr);
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		if (type == HANDSHAKE_A_ACCEPT_SOCKFD) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.sockfd = 1;
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			dst->sockfd = mnl_attr_get_u32(attr);
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		} else if (type == HANDSHAKE_A_ACCEPT_MESSAGE_TYPE) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.message_type = 1;
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			dst->message_type = mnl_attr_get_u32(attr);
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		} else if (type == HANDSHAKE_A_ACCEPT_TIMEOUT) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.timeout = 1;
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			dst->timeout = mnl_attr_get_u32(attr);
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		} else if (type == HANDSHAKE_A_ACCEPT_AUTH_MODE) {
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			dst->_present.auth_mode = 1;
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			dst->auth_mode = mnl_attr_get_u32(attr);
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		} else if (type == HANDSHAKE_A_ACCEPT_PEER_IDENTITY) {
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			n_peer_identity++;
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		} else if (type == HANDSHAKE_A_ACCEPT_CERTIFICATE) {
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			n_certificate++;
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		} else if (type == HANDSHAKE_A_ACCEPT_PEERNAME) {
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			unsigned int len;
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			if (ynl_attr_validate(yarg, attr))
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				return MNL_CB_ERROR;
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			len = strnlen(mnl_attr_get_str(attr), mnl_attr_get_payload_len(attr));
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			dst->_present.peername_len = len;
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			dst->peername = malloc(len + 1);
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			memcpy(dst->peername, mnl_attr_get_str(attr), len);
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			dst->peername[len] = 0;
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		}
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	}
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	if (n_certificate) {
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		dst->certificate = calloc(n_certificate, sizeof(*dst->certificate));
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		dst->n_certificate = n_certificate;
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		i = 0;
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		parg.rsp_policy = &handshake_x509_nest;
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		mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
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			if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_CERTIFICATE) {
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				parg.data = &dst->certificate[i];
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				if (handshake_x509_parse(&parg, attr))
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					return MNL_CB_ERROR;
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				i++;
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			}
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		}
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	}
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	if (n_peer_identity) {
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		dst->peer_identity = calloc(n_peer_identity, sizeof(*dst->peer_identity));
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		dst->n_peer_identity = n_peer_identity;
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		i = 0;
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		mnl_attr_for_each(attr, nlh, sizeof(struct genlmsghdr)) {
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			if (mnl_attr_get_type(attr) == HANDSHAKE_A_ACCEPT_PEER_IDENTITY) {
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				dst->peer_identity[i] = mnl_attr_get_u32(attr);
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				i++;
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			}
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		}
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	}
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	return MNL_CB_OK;
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}
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struct handshake_accept_rsp *
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handshake_accept(struct ynl_sock *ys, struct handshake_accept_req *req)
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{
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	struct ynl_req_state yrs = { .yarg = { .ys = ys, }, };
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	struct handshake_accept_rsp *rsp;
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	struct nlmsghdr *nlh;
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	int err;
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	nlh = ynl_gemsg_start_req(ys, ys->family_id, HANDSHAKE_CMD_ACCEPT, 1);
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	ys->req_policy = &handshake_accept_nest;
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	yrs.yarg.rsp_policy = &handshake_accept_nest;
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	if (req->_present.handler_class)
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		mnl_attr_put_u32(nlh, HANDSHAKE_A_ACCEPT_HANDLER_CLASS, req->handler_class);
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	rsp = calloc(1, sizeof(*rsp));
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	yrs.yarg.data = rsp;
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	yrs.cb = handshake_accept_rsp_parse;
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	yrs.rsp_cmd = HANDSHAKE_CMD_ACCEPT;
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	err = ynl_exec(ys, nlh, &yrs);
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	if (err < 0)
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		goto err_free;
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	return rsp;
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err_free:
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	handshake_accept_rsp_free(rsp);
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	return NULL;
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}
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/* HANDSHAKE_CMD_ACCEPT - notify */
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void handshake_accept_ntf_free(struct handshake_accept_ntf *rsp)
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{
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	unsigned int i;
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	free(rsp->obj.peer_identity);
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	for (i = 0; i < rsp->obj.n_certificate; i++)
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		handshake_x509_free(&rsp->obj.certificate[i]);
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	free(rsp->obj.certificate);
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	free(rsp->obj.peername);
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	free(rsp);
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}
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/* ============== HANDSHAKE_CMD_DONE ============== */
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/* HANDSHAKE_CMD_DONE - do */
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void handshake_done_req_free(struct handshake_done_req *req)
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{
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	free(req->remote_auth);
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	free(req);
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}
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int handshake_done(struct ynl_sock *ys, struct handshake_done_req *req)
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{
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	struct nlmsghdr *nlh;
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	int err;
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	nlh = ynl_gemsg_start_req(ys, ys->family_id, HANDSHAKE_CMD_DONE, 1);
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	ys->req_policy = &handshake_done_nest;
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	if (req->_present.status)
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		mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_STATUS, req->status);
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	if (req->_present.sockfd)
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		mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_SOCKFD, req->sockfd);
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	for (unsigned int i = 0; i < req->n_remote_auth; i++)
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		mnl_attr_put_u32(nlh, HANDSHAKE_A_DONE_REMOTE_AUTH, req->remote_auth[i]);
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	err = ynl_exec(ys, nlh, NULL);
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	if (err < 0)
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		return -1;
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	return 0;
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}
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static const struct ynl_ntf_info handshake_ntf_info[] =  {
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	[HANDSHAKE_CMD_READY] =  {
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		.alloc_sz	= sizeof(struct handshake_accept_ntf),
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		.cb		= handshake_accept_rsp_parse,
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		.policy		= &handshake_accept_nest,
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		.free		= (void *)handshake_accept_ntf_free,
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	},
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};
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const struct ynl_family ynl_handshake_family =  {
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	.name		= "handshake",
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	.ntf_info	= handshake_ntf_info,
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	.ntf_info_size	= MNL_ARRAY_SIZE(handshake_ntf_info),
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};
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