rename accel-pptp to accel-ppp

1 files changed, 155 insertions, 0 deletions

diff --git a/accel-pppd/ppp/ipcp_opt_dns.c b/accel-pppd/ppp/ipcp_opt_dns.c
new file mode 100644
index 00000000..c1770922
--- /dev/null
+++ b/accel-pppd/ppp/ipcp_opt_dns.c
@@ -0,0 +1,155 @@
+#include <stdlib.h>
+#include <string.h>
+#include <arpa/inet.h>
+
+#include "ppp.h"
+#include "ppp_ipcp.h"
+#include "log.h"
+#include "ipdb.h"
+
+#include "memdebug.h"
+
+static in_addr_t conf_dns1;
+static in_addr_t conf_dns2;
+
+static struct ipcp_option_t *dns1_init(struct ppp_ipcp_t *ipcp);
+static struct ipcp_option_t *dns2_init(struct ppp_ipcp_t *ipcp);
+static void dns_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt);
+static int dns_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int dns_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static int dns_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr);
+static void dns1_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
+static void dns2_print(void (*print)(const char *fmt,...),struct ipcp_option_t*, uint8_t *ptr);
+
+struct dns_option_t
+{
+	struct ipcp_option_t opt;
+	in_addr_t addr;
+};
+
+static struct ipcp_option_handler_t dns1_opt_hnd=
+{
+	.init=dns1_init,
+	.send_conf_req=dns_send_conf_req,
+	.send_conf_nak=dns_send_conf_nak,
+	.recv_conf_req=dns_recv_conf_req,
+	.free=dns_free,
+	.print=dns1_print,
+};
+static struct ipcp_option_handler_t dns2_opt_hnd=
+{
+	.init=dns2_init,
+	.send_conf_req=dns_send_conf_req,
+	.send_conf_nak=dns_send_conf_nak,
+	.recv_conf_req=dns_recv_conf_req,
+	.free=dns_free,
+	.print=dns2_print,
+};
+
+static struct ipcp_option_t *dns1_init(struct ppp_ipcp_t *ipcp)
+{
+	struct dns_option_t *dns_opt=_malloc(sizeof(*dns_opt));
+	memset(dns_opt,0,sizeof(*dns_opt));
+	dns_opt->opt.id=CI_DNS1;
+	dns_opt->opt.len=6;
+
+	return &dns_opt->opt;
+}
+
+static struct ipcp_option_t *dns2_init(struct ppp_ipcp_t *ipcp)
+{
+	struct dns_option_t *dns_opt=_malloc(sizeof(*dns_opt));
+	memset(dns_opt,0,sizeof(*dns_opt));
+	dns_opt->opt.id=CI_DNS2;
+	dns_opt->opt.len=6;
+
+	return &dns_opt->opt;
+}
+
+static void dns_free(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+
+	_free(dns_opt);
+}
+
+static int dns_send_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	return 0;
+}
+
+static int dns_send_conf_nak(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	opt32->hdr.id=dns_opt->opt.id;
+	opt32->hdr.len=6;
+	opt32->val=dns_opt->addr;
+	return 6;
+}
+
+static int dns_recv_conf_req(struct ppp_ipcp_t *ipcp, struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+
+	if (opt32->hdr.len != 6)
+		return IPCP_OPT_REJ;
+
+	if (!dns_opt->addr)
+	{
+		if (dns_opt->opt.id == CI_DNS1 && conf_dns1) dns_opt->addr=conf_dns1;
+		else if (dns_opt->opt.id == CI_DNS2 && conf_dns2) dns_opt->addr=conf_dns2;
+		
+		if (!dns_opt->addr)
+		{
+			dns_opt->addr=opt32->val;
+			return IPCP_OPT_ACK;
+		}
+	}
+
+	if (dns_opt->addr==opt32->val)
+		return IPCP_OPT_ACK;
+		
+	return IPCP_OPT_NAK;
+}
+
+static void dns1_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	struct in_addr in;
+
+	if (ptr) in.s_addr=opt32->val;
+	else in.s_addr=dns_opt->addr;
+	
+	print("<dns1 %s>",inet_ntoa(in));
+}
+
+static void dns2_print(void (*print)(const char *fmt,...),struct ipcp_option_t *opt, uint8_t *ptr)
+{
+	struct dns_option_t *dns_opt=container_of(opt,typeof(*dns_opt),opt);
+	struct ipcp_opt32_t *opt32=(struct ipcp_opt32_t*)ptr;
+	struct in_addr in;
+
+	if (ptr) in.s_addr=opt32->val;
+	else in.s_addr=dns_opt->addr;
+	
+	print("<dns2 %s>",inet_ntoa(in));
+}
+
+static void __init dns_opt_init()
+{
+	char *opt;
+	
+	opt = conf_get_opt("dns", "dns1");
+	if (opt)
+		conf_dns1 = inet_addr(opt);
+	
+	opt = conf_get_opt("dns", "dns2");
+	if (opt)
+		conf_dns2 = inet_addr(opt);
+	
+	ipcp_option_register(&dns1_opt_hnd);
+	ipcp_option_register(&dns2_opt_hnd);
+}