1 files changed, 106 insertions, 0 deletions
diff --git a/accel-pppd/ppp/lcp_opt_accomp.c b/accel-pppd/ppp/lcp_opt_accomp.c
new file mode 100644
index 00000000..241b0e06
--- /dev/null
+++ b/accel-pppd/ppp/lcp_opt_accomp.c
@@ -0,0 +1,106 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_lcp.h"
+#include "log.h"
+
+#include "memdebug.h"
+
+static struct lcp_option_t *accomp_init(struct ppp_lcp_t *lcp);
+static void accomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt);
+static int accomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int accomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static int accomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr);
+static void accomp_print(void (*print)(const char *fmt,...),struct lcp_option_t*, uint8_t *ptr);
+
+struct accomp_option_t
+{
+	struct lcp_option_t opt;
+	int accomp; // 0 - disabled, 1 - enabled, 2 - allow,disabled, 3 - allow,enabled
+	int require;
+};
+
+static struct lcp_option_handler_t accomp_opt_hnd=
+{
+	.init=accomp_init,
+	.send_conf_req=accomp_send_conf_req,
+	.send_conf_nak=accomp_send_conf_nak,
+	.recv_conf_req=accomp_recv_conf_req,
+	.free=accomp_free,
+	.print=accomp_print,
+};
+
+static struct lcp_option_t *accomp_init(struct ppp_lcp_t *lcp)
+{
+	struct accomp_option_t *accomp_opt=_malloc(sizeof(*accomp_opt));
+	memset(accomp_opt,0,sizeof(*accomp_opt));
+	accomp_opt->accomp=0;
+	accomp_opt->opt.id=CI_ACCOMP;
+	accomp_opt->opt.len=2;
+
+	return &accomp_opt->opt;
+}
+
+static void accomp_free(struct ppp_lcp_t *lcp, struct lcp_option_t *opt)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+
+	_free(accomp_opt);
+}
+
+static int accomp_send_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	if (accomp_opt->accomp==1 || accomp_opt->accomp==3)
+	{
+		opt0->id=CI_ACCOMP;
+		opt0->len=2;
+		return 2;
+	}
+	return 0;
+}
+
+static int accomp_send_conf_nak(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+	opt0->id=CI_ACCOMP;
+	opt0->len=2;
+	return 2;
+}
+
+static int accomp_recv_conf_req(struct ppp_lcp_t *lcp, struct lcp_option_t *opt, uint8_t *ptr)
+{
+	struct accomp_option_t *accomp_opt=container_of(opt,typeof(*accomp_opt),opt);
+	struct lcp_opt_hdr_t *opt0=(struct lcp_opt_hdr_t*)ptr;
+
+	/*if (!ptr) {
+		if (accomp_opt->require)
+			return LCP_OPT_NAK;
+		accomp_opt->accomp=0;
+		return LCP_OPT_ACK;
+	}*/
+
+	if (opt0->len != 2)
+		return LCP_OPT_REJ;
+
+	if (accomp_opt->accomp>0)
+	{
+		accomp_opt->accomp=1;
+		return LCP_OPT_ACK;
+	}else return LCP_OPT_REJ;
+}
+
+static void accomp_print(void (*print)(const char *fmt,...),struct lcp_option_t *opt, uint8_t *ptr)
+{
+	print("<accomp>");
+}
+
+static void __init accomp_opt_init()
+{
+	lcp_option_register(&accomp_opt_hnd);
+}
+