From 7285459375b31b2683bfab6df5461df480ee8863 Mon Sep 17 00:00:00 2001
From: Sylvain Rochet <gradator@gradator.net>
Date: Sun, 29 Mar 2015 12:18:50 +0200
Subject: [PATCH] PPP, MPPE, exported MPPE functions

---
 src/include/netif/ppp/mppe.h | 14 ++++++++++++++
 src/netif/ppp/mppe.c         | 18 +++++++++---------
 2 files changed, 23 insertions(+), 9 deletions(-)

diff --git a/src/include/netif/ppp/mppe.h b/src/include/netif/ppp/mppe.h
index e299b866..d3f9204b 100644
--- a/src/include/netif/ppp/mppe.h
+++ b/src/include/netif/ppp/mppe.h
@@ -126,5 +126,19 @@
 	    opts |= MPPE_OPT_UNKNOWN;		\
     } while (/* CONSTCOND */ 0)
 
+void *mppe_alloc(unsigned char *options, int optlen);
+void mppe_free(void *arg);
+int mppe_comp_init(void *arg, unsigned char *options, int optlen, int unit,
+	       int hdrlen, int debug);
+void mppe_comp_reset(void *arg);
+int mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf,
+	      int isize, int osize);
+int mppe_decomp_init(void *arg, unsigned char *options, int optlen, int unit,
+		 int hdrlen, int mru, int debug);
+void mppe_decomp_reset(void *arg);
+int mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf,
+		int osize);
+void mppe_incomp(void *arg, unsigned char *ibuf, int icnt);
+
 #endif /* MPPE_H */
 #endif /* PPP_SUPPORT && MPPE_SUPPORT */
diff --git a/src/netif/ppp/mppe.c b/src/netif/ppp/mppe.c
index 76ab02b1..d7fe5291 100644
--- a/src/netif/ppp/mppe.c
+++ b/src/netif/ppp/mppe.c
@@ -144,7 +144,7 @@ static void mppe_rekey(struct ppp_mppe_state * state, int initial_key)
 /*
  * Allocate space for a (de)compressor.
  */
-static void *mppe_alloc(unsigned char *options, int optlen)
+void *mppe_alloc(unsigned char *options, int optlen)
 {
 	struct ppp_mppe_state *state;
 
@@ -177,7 +177,7 @@ out:
 /*
  * Deallocate space for a (de)compressor.
  */
-static void mppe_free(void *arg)
+void mppe_free(void *arg)
 {
 	struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg;
 	if (state) {
@@ -253,7 +253,7 @@ mppe_init(void *arg, unsigned char *options, int optlen, int unit, int debug,
 	return 1;
 }
 
-static int
+int
 mppe_comp_init(void *arg, unsigned char *options, int optlen, int unit,
 	       int hdrlen, int debug)
 {
@@ -270,7 +270,7 @@ mppe_comp_init(void *arg, unsigned char *options, int optlen, int unit,
  * know how many times we've rekeyed.  (If we rekey and THEN get another
  * CCP Reset-Request, we must rekey again.)
  */
-static void mppe_comp_reset(void *arg)
+void mppe_comp_reset(void *arg)
 {
 	struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg;
 
@@ -282,7 +282,7 @@ static void mppe_comp_reset(void *arg)
  * It's strange to call this a compressor, since the output is always
  * MPPE_OVHD + 2 bytes larger than the input.
  */
-static int
+int
 mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf,
 	      int isize, int osize)
 {
@@ -349,7 +349,7 @@ mppe_compress(void *arg, unsigned char *ibuf, unsigned char *obuf,
 	return osize;
 }
 
-static int
+int
 mppe_decomp_init(void *arg, unsigned char *options, int optlen, int unit,
 		 int hdrlen, int mru, int debug)
 {
@@ -361,7 +361,7 @@ mppe_decomp_init(void *arg, unsigned char *options, int optlen, int unit,
 /*
  * We received a CCP Reset-Ack.  Just ignore it.
  */
-static void mppe_decomp_reset(void *arg)
+void mppe_decomp_reset(void *arg)
 {
 	LWIP_UNUSED_ARG(arg);
 	return;
@@ -370,7 +370,7 @@ static void mppe_decomp_reset(void *arg)
 /*
  * Decompress (decrypt) an MPPE packet.
  */
-static int
+int
 mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf,
 		int osize)
 {
@@ -541,7 +541,7 @@ mppe_decompress(void *arg, unsigned char *ibuf, int isize, unsigned char *obuf,
  * of what should be encrypted.  At the least, we should drop this
  * packet.  (How to do this?)
  */
-static void mppe_incomp(void *arg, unsigned char *ibuf, int icnt)
+void mppe_incomp(void *arg, unsigned char *ibuf, int icnt)
 {
 	struct ppp_mppe_state *state = (struct ppp_mppe_state *) arg;
 	LWIP_UNUSED_ARG(icnt);