From 6686be293352ea93402365f7e124c5e95d54122e Mon Sep 17 00:00:00 2001
From: Sebastian Kemper <sebastian_ml@gmx.net>
Date: Tue, 2 Jan 2018 11:21:57 +0100
Subject: [PATCH] freeswitch-stable: add mod_gsmopen

Add mod_gsmopen to be able to use FreeSWITCH as a GSM gateway (for SMS
and voice calls).

Signed-off-by: Sebastian Kemper <sebastian_ml@gmx.net>
---
 net/freeswitch-stable/Makefile                |  9 +++
 .../270-fix-uclibc-iconv-in-gsmopen.patch     | 62 +++++++++++++++++++
 2 files changed, 71 insertions(+)
 create mode 100644 net/freeswitch-stable/patches/270-fix-uclibc-iconv-in-gsmopen.patch

diff --git a/net/freeswitch-stable/Makefile b/net/freeswitch-stable/Makefile
index b3308d3..45bf0cb 100644
--- a/net/freeswitch-stable/Makefile
+++ b/net/freeswitch-stable/Makefile
@@ -154,6 +154,7 @@ FS_STABLE_MOD_AVAILABLE:= \
 	g723_1 \
 	g729 \
 	graylog2 \
+	gsmopen \
 	h26x \
 	hash \
 	hiredis \
@@ -915,6 +916,13 @@ ifeq ($(CONFIG_PACKAGE_$(PKG_NAME)-mod-pocketsphinx),)
 endif
 endif
 
+# Hack for mod_gsmopen - it has a build-time dep on mod_spandsp
+ifneq ($(CONFIG_PACKAGE_$(PKG_NAME)-mod-gsmopen),)
+ifeq ($(CONFIG_PACKAGE_$(PKG_NAME)-mod-spandsp),)
+	$(SED) '/mod_spandsp$$$$/s/^#//' $(PKG_BUILD_DIR)/modules.conf
+endif
+endif
+
 # Hack for mod_unimrcp - it has a build-time dep on mod_sofia
 ifneq ($(CONFIG_PACKAGE_$(PKG_NAME)-mod-unimrcp),)
 ifeq ($(CONFIG_PACKAGE_$(PKG_NAME)-mod-sofia),)
@@ -1070,6 +1078,7 @@ $(eval $(call Package/$(PKG_NAME)/Module,fsv,FSV,This module provides dialplan a
 $(eval $(call Package/$(PKG_NAME)/Module,g723_1,G.723.1 passthrough,G.723.1 codec passthrough.,))
 $(eval $(call Package/$(PKG_NAME)/Module,g729,G.729 passthrough,G.729 codec passthrough.,))
 $(eval $(call Package/$(PKG_NAME)/Module,graylog2,Graylog2 logger,GELF logger for Graylog2 and Logstash.,))
+$(eval $(call Package/$(PKG_NAME)/Module,gsmopen,GSM endpoint,GSMopen is a channel driver that allows an SMS to be sent to and from\nFreeSWITCH as well as incoming and outgoing GSM voice calls.,+gsmlib +libctb +libjpeg +liblzma))
 $(eval $(call Package/$(PKG_NAME)/Module,h26x,H.26x passthrough,H.26x video codec passthrough.,))
 $(eval $(call Package/$(PKG_NAME)/Module,hash,Hash,This module provides a key-value in-memory datastore. Usable as a\nlimit backend.,))
 $(eval $(call Package/$(PKG_NAME)/Module,hiredis,Redis client,This module provides a mechanism to use Redis as a datastore.,+libhiredis))
diff --git a/net/freeswitch-stable/patches/270-fix-uclibc-iconv-in-gsmopen.patch b/net/freeswitch-stable/patches/270-fix-uclibc-iconv-in-gsmopen.patch
new file mode 100644
index 0000000..7170f7b
--- /dev/null
+++ b/net/freeswitch-stable/patches/270-fix-uclibc-iconv-in-gsmopen.patch
@@ -0,0 +1,62 @@
+--- a/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
++++ b/src/mod/endpoints/mod_gsmopen/gsmopen_protocol.cpp
+@@ -2521,11 +2521,11 @@ int ucs2_to_utf8(private_t *tech_pvt, ch
+ 	DEBUGA_GSMOPEN("1 ciao in=%s, inleft=%d, out=%s, outleft=%d, converted=%s, utf8_out=%s\n",
+ 				   GSMOPEN_P_LOG, inbuf, (int) inbytesleft, outbuf, (int) outbytesleft, converted, utf8_out);
+ 
+-#ifdef WIN32
++#ifdef __UCLIBC__ // libiconv-full needs this conversion
+ 	iconv_res = iconv(iconv_format, (const char **) &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#else // WIN32
++#else
+ 	iconv_res = iconv(iconv_format, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#endif // WIN32
++#endif
+ 	if (iconv_res == (size_t) -1) {
+ 		DEBUGA_GSMOPEN("2 ciao in=%s, inleft=%d, out=%s, outleft=%d, converted=%s, utf8_out=%s\n",
+ 					   GSMOPEN_P_LOG, inbuf, (int) inbytesleft, outbuf, (int) outbytesleft, converted, utf8_out);
+@@ -2560,11 +2560,11 @@ int utf8_to_iso_8859_1(private_t *tech_p
+ 
+ 	DEBUGA_GSMOPEN("in=%s, inleft=%d, out=%s, outleft=%d, utf8_in=%s, iso_8859_1_out=%s\n",
+ 				   GSMOPEN_P_LOG, inbuf, (int) inbytesleft, outbuf, (int) outbytesleft, utf8_in, iso_8859_1_out);
+-#ifdef WIN32
++#ifdef __UCLIBC__
+ 	iconv_res = iconv(iconv_format, (const char **) &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#else // WIN32
++#else
+ 	iconv_res = iconv(iconv_format, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#endif // WIN32
++#endif
+ 	if (iconv_res == (size_t) -1) {
+ 		DEBUGA_GSMOPEN("cannot translate in iso_8859_1 error: %s (errno: %d)\n", GSMOPEN_P_LOG, strerror(errno), errno);
+ 		return -1;
+@@ -2597,11 +2597,11 @@ int iso_8859_1_to_utf8(private_t *tech_p
+ 	}
+ 
+ 	inbytesleft = strlen(iso_8859_1_in) * 2;
+-#ifdef WIN32
++#ifdef __UCLIBC__
+ 	iconv_res = iconv(iconv_format, (const char **) &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#else // WIN32
++#else
+ 	iconv_res = iconv(iconv_format, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#endif // WIN32
++#endif
+ 	if (iconv_res == (size_t) -1) {
+ 		DEBUGA_GSMOPEN("ciao in=%s, inleft=%d, out=%s, outleft=%d, utf8_out=%s\n",
+ 					   GSMOPEN_P_LOG, inbuf, (int) inbytesleft, outbuf, (int) outbytesleft, utf8_out);
+@@ -2642,11 +2642,11 @@ int utf8_to_ucs2(private_t *tech_pvt, ch
+ 
+ 	DEBUGA_GSMOPEN("in=%s, inleft=%d, out=%s, outleft=%d, utf8_in=%s, converted=%s\n",
+ 				   GSMOPEN_P_LOG, inbuf, (int) inbytesleft, outbuf, (int) outbytesleft, utf8_in, converted);
+-#ifdef WIN32
++#ifdef __UCLIBC__
+ 	iconv_res = iconv(iconv_format, (const char **) &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#else // WIN32
++#else
+ 	iconv_res = iconv(iconv_format, &inbuf, &inbytesleft, &outbuf, &outbytesleft);
+-#endif // WIN32
++#endif
+ 	if (iconv_res == (size_t) -1) {
+ 		ERRORA("error: %s %d\n", GSMOPEN_P_LOG, strerror(errno), errno);
+ 		return -1;