rename accel-pptp to accel-ppp

1 files changed, 0 insertions, 259 deletions

diff --git a/accel-pptpd/ppp/ccp_mppe.c b/accel-pptpd/ppp/ccp_mppe.c
deleted file mode 100644
index 0952aa0..0000000
--- a/accel-pptpd/ppp/ccp_mppe.c
+++ /dev/null
@@ -1,259 +0,0 @@
-#include <stdlib.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/socket.h>
-#include <sys/ioctl.h>
-#include "linux_ppp.h"
-
-#include "ppp.h"
-#include "ppp_ccp.h"
-#include "log.h"
-#include "events.h"
-
-#include "memdebug.h"
-
-#define MPPE_H (1 << 24)
-#define MPPE_M (1 << 7)
-#define MPPE_S (1 << 6)
-#define MPPE_L (1 << 5)
-#define MPPE_D (1 << 4)
-#define MPPE_C (1 << 0)
-
-#define MPPE_PAD 4
-
-static struct ccp_option_t *mppe_init(struct ppp_ccp_t *ccp);
-static void mppe_free(struct ppp_ccp_t *ccp, struct ccp_option_t *opt);
-static int mppe_send_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
-static int mppe_recv_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
-static int mppe_recv_conf_nak(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
-static int mppe_recv_conf_rej(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr);
-static void mppe_print(void (*print)(const char *fmt,...),struct ccp_option_t*, uint8_t *ptr);
-
-struct mppe_option_t
-{
-	struct ccp_option_t opt;
-	int mppe;
-	uint8_t recv_key[16];
-	uint8_t send_key[16];
-	int policy; // 1 - allowed, 2 - required
-};
-
-static struct ccp_option_handler_t mppe_opt_hnd = {
-	.init = mppe_init,
-	.send_conf_req = mppe_send_conf_req,
-	.send_conf_nak = mppe_send_conf_req,
-	.recv_conf_req = mppe_recv_conf_req,
-	.recv_conf_nak = mppe_recv_conf_nak,
-	.recv_conf_rej = mppe_recv_conf_rej,
-	.free = mppe_free,
-	.print = mppe_print,
-};
-
-static struct ccp_option_t *mppe_init(struct ppp_ccp_t *ccp)
-{
-	struct mppe_option_t *mppe_opt = _malloc(sizeof(*mppe_opt));
-	memset(mppe_opt, 0, sizeof(*mppe_opt));
-	mppe_opt->mppe = -1;
-	mppe_opt->opt.id = CI_MPPE;
-	mppe_opt->opt.len = 6;
-
-	return &mppe_opt->opt;
-}
-
-static void mppe_free(struct ppp_ccp_t *ccp, struct ccp_option_t *opt)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
-
-	_free(mppe_opt);
-}
-
-static int setup_mppe_key(int fd, int transmit, uint8_t *key)
-{
-	struct ppp_option_data data;
-	uint8_t buf[6 + 16];
-
-	memset(buf, 0, sizeof(buf));
-	buf[0] = CI_MPPE;
-	buf[1] = 6;
-	*(uint32_t*)(buf + 2) = htonl(MPPE_S | MPPE_H);
-	if (key)
-		memcpy(buf + 6, key, 16);
-
-	memset(&data, 0, sizeof(data));
-	data.ptr = buf;
-	data.length = sizeof(buf);
-	data.transmit = transmit;
-
-	if (ioctl(fd, PPPIOCSCOMPRESS, &data)) {
-		log_ppp_warn("mppe: MPPE requested but not supported by kernel\n");
-		return -1;
-	}
-
-	return 0;
-}
-
-static int decrease_mtu(struct ppp_t *ppp)
-{
-	struct ifreq ifr;
-
-	strcpy(ifr.ifr_name, ppp->ifname);
-
-	if (ioctl(sock_fd, SIOCGIFMTU, &ifr)) {
-		log_ppp_error("mppe: failed to get MTU: %s\n", strerror(errno));
-		return -1;
-	}
-
-	ifr.ifr_mtu -= MPPE_PAD;
-
-	if (ioctl(sock_fd, SIOCSIFMTU, &ifr)) {
-		log_ppp_error("mppe: failed to set MTU: %s\n", strerror(errno));
-		return -1;
-	}
-
-	return 0;
-}
-
-static int mppe_send_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt,typeof(*mppe_opt),opt);
-	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t*)ptr;
-
-	if (mppe_opt->mppe != -1)	{
-		opt32->hdr.id = CI_MPPE;
-		opt32->hdr.len = 6;
-		opt32->val = mppe_opt->mppe ? htonl(MPPE_S | MPPE_H) : 0;
-		
-		if (mppe_opt->mppe && setup_mppe_key(ccp->ppp->unit_fd, 0, mppe_opt->recv_key))
-			return 0;
-
-		return 6;
-	}
-	return 0;
-}
-
-static int mppe_recv_conf_req(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
-	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
-
-	/*if (!ptr) {
-		if (mppe_opt->policy == 2)
-			return CCP_OPT_NAK;
-		return CCP_OPT_ACK;
-	}*/
-	
-	if (opt32->hdr.len != 6)
-		return CCP_OPT_REJ;
-
-	if (mppe_opt->policy == 2) {
-		if (ntohl(opt32->val) != (MPPE_S | MPPE_H))
-			return CCP_OPT_NAK;
-	} else if (mppe_opt->policy == 1) {
-		if (ntohl(opt32->val)  == (MPPE_S | MPPE_H))
-			mppe_opt->mppe = 1;
-		else if ((ntohl(opt32->val) & (MPPE_S | MPPE_H)) == (MPPE_S | MPPE_H)) {
-			mppe_opt->mppe = 1;
-			return CCP_OPT_NAK;
-		} else if (opt32->val) {
-			mppe_opt->mppe = 0;
-			return CCP_OPT_NAK;
-		} else
-			mppe_opt->mppe = 0;
-	} else
-		return CCP_OPT_REJ;
-	
-	if (mppe_opt->mppe) {
-		if (setup_mppe_key(ccp->ppp->unit_fd, 1, mppe_opt->send_key))
-			return CCP_OPT_REJ;
-
-		decrease_mtu(ccp->ppp);
-
-		log_ppp_debug(" (mppe enabled)");
-	}
-
-	return CCP_OPT_ACK;
-}
-
-static int mppe_recv_conf_rej(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
-
-	if (mppe_opt->mppe != 2) {
-		mppe_opt->mppe = -1;
-		return 0;
-	}
-
-	return -1;
-}
-
-static int mppe_recv_conf_nak(struct ppp_ccp_t *ccp, struct ccp_option_t *opt, uint8_t *ptr)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
-	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
-
-	if (opt32->hdr.len != 6)
-		return -1;
-
-	if (mppe_opt->policy == 2) {
-		if (ntohl(opt32->val) == (MPPE_S | MPPE_H))
-			return -1;
-	} else if (mppe_opt->policy == 1) {
-		if ((ntohl(opt32->val) & (MPPE_S | MPPE_H)) == (MPPE_S | MPPE_H))
-			mppe_opt->mppe = 0;
-		else
-			mppe_opt->mppe = 1;
-	} else {
-		if (opt32->val == 0)
-			return -1;
-	}
-
-	return 0;
-}
-
-static void mppe_print(void (*print)(const char *fmt,...),struct ccp_option_t *opt, uint8_t *ptr)
-{
-	struct mppe_option_t *mppe_opt = container_of(opt, typeof(*mppe_opt), opt);
-	struct ccp_opt32_t *opt32 = (struct ccp_opt32_t *)ptr;
-	uint32_t bits;
-
-	if (ptr)
-		bits = ntohl(opt32->val);
-	else
-		if (mppe_opt->mppe)
-			bits = MPPE_S | MPPE_H;
-		else
-			bits = 0;
-
-	print("<mppe %sH %sM %sS %sL %sD %sC>",
-		bits & MPPE_H ? "+" : "-",
-		bits & MPPE_M ? "+" : "-",
-		bits & MPPE_S ? "+" : "-",
-		bits & MPPE_L ? "+" : "-",
-		bits & MPPE_D ? "+" : "-",
-		bits & MPPE_C ? "+" : "-" 
-	);
-}
-
-static void ev_mppe_keys(struct ev_mppe_keys_t *ev)
-{
-	struct mppe_option_t *mppe_opt = container_of(ccp_find_option(ev->ppp, &mppe_opt_hnd), typeof(*mppe_opt), opt);
-
-	if ((ev->type & 0x04) == 0) {
-		log_ppp_warn("mppe: 128-bit session keys not allowed, disabling mppe ...\n");
-		return;
-	}
-	
-	memcpy(mppe_opt->recv_key, ev->recv_key, 16);
-	memcpy(mppe_opt->send_key, ev->send_key, 16);
-	mppe_opt->policy = ev->policy;
-
-	if (ev->policy == 2)
-		mppe_opt->mppe = 1;
-}
-
-static void __init mppe_opt_init()
-{
-	ccp_option_register(&mppe_opt_hnd);
-	triton_event_register_handler(EV_MPPE_KEYS, (triton_event_func)ev_mppe_keys);
-}
-