rename accel-pptp to accel-ppp

1 files changed, 0 insertions, 427 deletions

diff --git a/accel-pptpd/auth/auth_chap_md5.c b/accel-pptpd/auth/auth_chap_md5.c
deleted file mode 100644
index d19634a..0000000
--- a/accel-pptpd/auth/auth_chap_md5.c
+++ /dev/null
@@ -1,427 +0,0 @@
-#include <stdint.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <stdio.h>
-#include <arpa/inet.h>
-
-#include <openssl/md5.h>
-
-#include "log.h"
-#include "ppp.h"
-#include "ppp_auth.h"
-#include "ppp_lcp.h"
-#include "pwdb.h"
-
-#include "memdebug.h"
-
-#define CHAP_CHALLENGE 1
-#define CHAP_RESPONSE  2
-#define CHAP_SUCCESS   3
-#define CHAP_FAILURE   4
-
-#define CHAP_MD5 5
-
-#define VALUE_SIZE 16
-
-#define MSG_FAILURE   "Authentication failed"
-#define MSG_SUCCESS   "Authentication successed"
-
-#define HDR_LEN (sizeof(struct chap_hdr_t)-2)
-
-static int conf_timeout = 5;
-static int conf_interval = 0;
-static int conf_max_failure = 3;
-static int conf_any_login = 0;
-
-static int urandom_fd;
-
-struct chap_hdr_t
-{
-	uint16_t proto;
-	uint8_t code;
-	uint8_t id;
-	uint16_t len;
-} __attribute__((packed));
-
-struct chap_challenge_t
-{
-	struct chap_hdr_t hdr;
-	uint8_t val_size;
-	uint8_t val[VALUE_SIZE];
-	char name[0];
-} __attribute__((packed));
-
-struct chap_failure_t
-{
-	struct chap_hdr_t hdr;
-	char message[sizeof(MSG_FAILURE)];
-} __attribute__((packed));
-
-struct chap_success_t
-{
-	struct chap_hdr_t hdr;
-	char message[sizeof(MSG_SUCCESS)];
-} __attribute__((packed));
-
-
-struct chap_auth_data_t
-{
-	struct auth_data_t auth;
-	struct ppp_handler_t h;
-	struct ppp_t *ppp;
-	int id;
-	uint8_t val[VALUE_SIZE];
-	struct triton_timer_t timeout;
-	struct triton_timer_t interval;
-	int failure;
-	int started:1;
-};
-
-static void chap_send_challenge(struct chap_auth_data_t *ad);
-static void chap_recv(struct ppp_handler_t *h);
-static void chap_timeout_timer(struct triton_timer_t *t);
-static void chap_restart_timer(struct triton_timer_t *t);
-
-static void print_buf(const uint8_t *buf, int size)
-{
-	int i;
-	for (i=0; i < size; i++)
-		log_ppp_info2("%x", buf[i]);
-}
-static void print_str(const char *buf, int size)
-{
-	int i;
-	for (i = 0; i < size; i++)
-		log_ppp_info2("%c", buf[i]);
-}
-
-static struct auth_data_t* auth_data_init(struct ppp_t *ppp)
-{
-	struct chap_auth_data_t *d = _malloc(sizeof(*d));
-
-	memset(d, 0, sizeof(*d));
-	d->auth.proto = PPP_CHAP;
-	d->ppp = ppp;
-
-	return &d->auth;
-}
-
-static void auth_data_free(struct ppp_t *ppp, struct auth_data_t *auth)
-{
-	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
-
-	if (d->timeout.tpd)
-		triton_timer_del(&d->timeout);
-
-	if (d->interval.tpd)
-		triton_timer_del(&d->interval);
-
-	_free(d);
-}
-
-static int chap_start(struct ppp_t *ppp, struct auth_data_t *auth)
-{
-	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
-
-	d->h.proto = PPP_CHAP;
-	d->h.recv = chap_recv;
-	d->timeout.expire = chap_timeout_timer;
-	d->timeout.period = conf_timeout * 1000;
-	d->interval.expire = chap_restart_timer;
-	d->interval.period = conf_interval * 1000;
-
-	ppp_register_chan_handler(ppp, &d->h);
-
-	chap_send_challenge(d);
-
-	return 0;
-}
-
-static int chap_finish(struct ppp_t *ppp, struct auth_data_t *auth)
-{
-	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
-
-	if (d->timeout.tpd)
-		triton_timer_del(&d->timeout);
-
-	if (d->interval.tpd)
-		triton_timer_del(&d->interval);
-
-	ppp_unregister_handler(ppp, &d->h);
-
-	return 0;
-}
-
-static void chap_timeout_timer(struct triton_timer_t *t)
-{
-	struct chap_auth_data_t *d = container_of(t, typeof(*d), timeout);
-
-	if (conf_ppp_verbose)
-		log_ppp_warn("chap-md5: timeout\n");
-
-	if (++d->failure == conf_max_failure) {
-		if (d->started)
-			ppp_terminate(d->ppp, TERM_USER_ERROR, 0);
-		else
-			ppp_auth_failed(d->ppp, NULL);
-	} else {
-		--d->id;
-		chap_send_challenge(d);
-	}
-}
-
-static void chap_restart_timer(struct triton_timer_t *t)
-{
-	struct chap_auth_data_t *d = container_of(t, typeof(*d), interval);
-	
-	chap_send_challenge(d);
-}
-
-static int lcp_send_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	*ptr = CHAP_MD5;
-	return 1;
-}
-
-static int lcp_recv_conf_req(struct ppp_t *ppp, struct auth_data_t *d, uint8_t *ptr)
-{
-	if (*ptr == CHAP_MD5)
-		return LCP_OPT_ACK;
-	return LCP_OPT_NAK;
-}
-
-static void chap_send_failure(struct chap_auth_data_t *ad)
-{
-	struct chap_failure_t msg = {
-		.hdr.proto = htons(PPP_CHAP),
-		.hdr.code = CHAP_FAILURE,
-		.hdr.id = ad->id,
-		.hdr.len = htons(sizeof(msg) - 1 - 2),
-		.message = MSG_FAILURE,
-	};
-	
-	if (conf_ppp_verbose)
-		log_ppp_info2("send [CHAP Failure id=%x \"%s\"]\n", msg.hdr.id, MSG_FAILURE);
-
-	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
-}
-
-static void chap_send_success(struct chap_auth_data_t *ad)
-{
-	struct chap_success_t msg =	{
-		.hdr.proto = htons(PPP_CHAP),
-		.hdr.code = CHAP_SUCCESS,
-		.hdr.id = ad->id,
-		.hdr.len = htons(sizeof(msg)-1-2),
-		.message = MSG_SUCCESS,
-	};
-	
-	if (conf_ppp_verbose)
-		log_ppp_info2("send [CHAP Success id=%x \"%s\"]\n", msg.hdr.id, MSG_SUCCESS);
-
-	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
-}
-
-static void chap_send_challenge(struct chap_auth_data_t *ad)
-{
-	struct chap_challenge_t msg =	{
-		.hdr.proto = htons(PPP_CHAP),
-		.hdr.code = CHAP_CHALLENGE,
-		.hdr.id = ++ad->id,
-		.hdr.len = htons(sizeof(msg) - 2),
-		.val_size = VALUE_SIZE,
-	};
-
-	read(urandom_fd, ad->val, VALUE_SIZE);
-	memcpy(msg.val, ad->val, VALUE_SIZE);
-
-	if (conf_ppp_verbose) {
-		log_ppp_info2("send [CHAP Challenge id=%x <", msg.hdr.id);
-		print_buf(msg.val, VALUE_SIZE);
-		log_ppp_info2(">]\n");
-	}
-
-	ppp_chan_send(ad->ppp, &msg, ntohs(msg.hdr.len) + 2);
-
-	if (conf_timeout && !ad->timeout.tpd)
-		triton_timer_add(ad->ppp->ctrl->ctx, &ad->timeout, 0);
-}
-
-static void chap_recv_response(struct chap_auth_data_t *ad, struct chap_hdr_t *hdr)
-{
-	MD5_CTX md5_ctx;
-	uint8_t md5[MD5_DIGEST_LENGTH];
-	char *passwd;
-	char *name;
-	int r;
-	struct chap_challenge_t *msg = (struct chap_challenge_t*)hdr;
-
-	if (ad->timeout.tpd)
-		triton_timer_del(&ad->timeout);
-
-	if (conf_ppp_verbose) {
-		log_ppp_info2("recv [CHAP Response id=%x <", msg->hdr.id);
-		print_buf(msg->val, msg->val_size);
-		log_ppp_info2(">, name=\"");
-		print_str(msg->name, ntohs(msg->hdr.len) - sizeof(*msg) + 2);
-		log_ppp_info2("\"]\n");
-	}
-
-	if (msg->hdr.id != ad->id) {
-		if (conf_ppp_verbose)
-			log_ppp_error("chap-md5: id mismatch\n");
-		chap_send_failure(ad);
-		ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
-	}
-
-	if (msg->val_size != VALUE_SIZE) {
-		log_ppp_error("chap-md5: incorrect value-size (%i)\n", msg->val_size);
-		chap_send_failure(ad);
-		ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
-	}
-
-	name = _strndup(msg->name,ntohs(msg->hdr.len) - sizeof(*msg) + 2);
-
-	if (conf_any_login) {
-		chap_send_success(ad);
-		ad->started = 1;
-		ppp_auth_successed(ad->ppp, name);
-		return;
-	}
-
-	r = pwdb_check(ad->ppp, name, PPP_CHAP, CHAP_MD5, ad->id, ad->val, VALUE_SIZE, msg->val);
-
-	if (r == PWDB_NO_IMPL) {
-		passwd = pwdb_get_passwd(ad->ppp,name);
-		if (!passwd)
-		{
-			_free(name);
-			if (conf_ppp_verbose)
-				log_ppp_warn("chap-md5: user not found\n");
-			chap_send_failure(ad);
-			return;
-		}
-
-		MD5_Init(&md5_ctx);
-		MD5_Update(&md5_ctx,&msg->hdr.id,1);
-		MD5_Update(&md5_ctx,passwd,strlen(passwd));
-		MD5_Update(&md5_ctx,ad->val,VALUE_SIZE);
-		MD5_Final(md5,&md5_ctx);
-		
-		if (memcmp(md5,msg->val,sizeof(md5)))
-		{
-			if (conf_ppp_verbose)
-				log_ppp_warn("chap-md5: challenge response mismatch\n");
-			chap_send_failure(ad);
-			if (ad->started)
-				ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
-			else
-				ppp_auth_failed(ad->ppp, name);
-			_free(name);
-		} else {
-			chap_send_success(ad);
-			if (!ad->started) {
-				ad->started = 1;
-				if (conf_interval)
-					triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
-				ppp_auth_successed(ad->ppp, name);
-			} else
-				_free(name);
-		}
-		_free(passwd);
-	} else if (r == PWDB_DENIED) {
-		chap_send_failure(ad);
-		if (ad->started)
-			ppp_terminate(ad->ppp, TERM_USER_ERROR, 0);
-		else
-			ppp_auth_failed(ad->ppp, name);
-		_free(name);
-	} else {
-		chap_send_success(ad);
-		if (!ad->started) {
-			ad->started = 1;
-			if (conf_interval)
-				triton_timer_add(ad->ppp->ctrl->ctx, &ad->interval, 0);
-			ppp_auth_successed(ad->ppp, name);
-		} else
-			_free(name);
-	}
-}
-
-static int chap_check(uint8_t *ptr)
-{
-	return *ptr == CHAP_MD5;
-}
-
-static int chap_restart(struct ppp_t *ppp, struct auth_data_t *auth)
-{
-	struct chap_auth_data_t *d = container_of(auth, typeof(*d), auth);
-	
-	chap_send_challenge(d);
-
-	return 0;
-}
-
-static struct ppp_auth_handler_t chap=
-{
-	.name          = "CHAP-md5",
-	.init          = auth_data_init,
-	.free          = auth_data_free,
-	.send_conf_req = lcp_send_conf_req,
-	.recv_conf_req = lcp_recv_conf_req,
-	.start         = chap_start,
-	.finish        = chap_finish,
-	.check         = chap_check,
-	.restart       = chap_restart,
-};
-
-static void chap_recv(struct ppp_handler_t *h)
-{
-	struct chap_auth_data_t *d = container_of(h, typeof(*d), h);
-	struct chap_hdr_t *hdr = (struct chap_hdr_t *)d->ppp->chan_buf;
-
-	if (d->ppp->chan_buf_size < sizeof(*hdr) || ntohs(hdr->len) < HDR_LEN || ntohs(hdr->len) < d->ppp->chan_buf_size - 2)	{
-		log_ppp_warn("chap-md5: short packet received\n");
-		return;
-	}
-
-	if (hdr->code == CHAP_RESPONSE)
-		chap_recv_response(d, hdr);
-	else
-		log_ppp_warn("chap-md5: unknown code received %x\n", hdr->code);
-}
-
-static void __init auth_chap_md5_init()
-{
-	char *opt;
-
-	opt = conf_get_opt("auth", "timeout");
-	if (opt && atoi(opt) > 0)
-		conf_timeout = atoi(opt);
-
-	opt = conf_get_opt("auth", "interval");
-	if (opt && atoi(opt) > 0)
-		conf_interval = atoi(opt);
-
-	opt = conf_get_opt("auth", "max-failure");
-	if (opt && atoi(opt) > 0)
-		conf_max_failure = atoi(opt);
-
-	opt = conf_get_opt("auth", "any-login");
-	if (opt && atoi(opt) > 0)
-		conf_any_login = 1;
-
-	urandom_fd=open("/dev/urandom", O_RDONLY);
-
-	if (urandom_fd < 0) {
-		log_emerg("chap-md5: failed to open /dev/urandom: %s\n", strerror(errno));
-		return;
-	}
-
-	if (ppp_auth_register_handler(&chap))
-		log_emerg("chap-md5: failed to register handler\n");
-}
-