install: Add option to install OpenR2.

Allow OpenR2, with compilation fixes, to be installed.

Author: InterLinked1

.github/workflows/main.yml

@@ -280,14 +280,14 @@ jobs:
           phreaknet runtests
   debian-12-asterisk-latest:
     runs-on: ubuntu-24.04
-    name: Debian 12
+    name: Debian 12, with OpenR2
     container: debian:12
     steps:
       - uses: actions/checkout@v4
       - name: Build DAHDI and Asterisk
         run: |
           ./phreaknet.sh make
-          GIT_REPO_PATH=${GITHUB_WORKSPACE} phreaknet install --fast --dahdi --drivers --sip --testsuite
+          GIT_REPO_PATH=${GITHUB_WORKSPACE} phreaknet install --fast --dahdi --drivers --openr2 --sip --testsuite
       - name: Run tests
         run: |
           phreaknet runtests

README.md

@@ -8,6 +8,7 @@ PhreakScript installs:
 - DAHDI Linux 3.4.0 (with optional DAHDI install flag)
 - DAHDI Tools 3.4.0 (with optional DAHDI install flag)
 - wanpipe 7.0.38 (with optional wanpipe install flag)
+- OpenR2, with compilation fixes (with optional install flag)
 - Bug fixes and stability improvements
    - Restores the "great purge" of DAHDI drivers that were removed in 2018 by Sangoma (either by default, or with `--drivers` flag)
    - Numerous DAHDI/wanpipe/LibPRI compilation fixes
@@ -34,7 +35,7 @@ PhreakScript installs:
 	  - Restored and enhanced [`chan_sip`](https://github.com/InterLinked1/chan_sip) for master / versions 21+ (removed by Sangoma) (with `--sip` flag)
 	     - Adds fax timing and parameter control to `chan_sip`
 	     - Cisco Call Manager support for `chan_sip` (with `--cisco` flag)
-	     - `chan_sccp` (improved community Skinny/SCCP channel driver), with compilation fixes (with `--sccp` flag)
+   - `chan_sccp` (improved community Skinny/SCCP channel driver), with compilation fixes (with `--sccp` flag)
    - Message Send Protocol send support
    - Streamlined delivery of push notifications to Polycom IP phones
    - AGI `RECORD FILE` option to require noise before silence detection

patches/openr2.diff

@@ -0,0 +1,42 @@
+diff --git a/src/r2context.c b/src/r2context.c
+index 36829fe..3aa71e1 100755
+--- a/src/r2context.c
++++ b/src/r2context.c
+@@ -148,6 +148,7 @@ static int want_generate_default(openr2_mf_tx_state_t *state, int signal)
+ 	return 1;
+ }
+ 
++#if 0
+ static const openr2_mf_read_init_func mf_read_init_default = (openr2_mf_read_init_func)openr2_mf_rx_init;
+ static const openr2_mf_write_init_func mf_write_init_default = (openr2_mf_write_init_func)openr2_mf_tx_init;
+ static const openr2_mf_detect_tone_func mf_detect_tone_default = (openr2_mf_detect_tone_func)openr2_mf_rx;
+@@ -157,6 +158,7 @@ static const openr2_mf_want_generate_func mf_want_generate_default = (openr2_mf_
+ 
+ static const openr2_alaw_to_linear_func alaw_to_linear_default = openr2_alaw_to_linear;
+ static const openr2_linear_to_alaw_func linear_to_alaw_default = openr2_linear_to_alaw;
++#endif
+ 
+ static openr2_mflib_interface_t default_mf_interface = {
+ 	/* .mf_read_init */ (openr2_mf_read_init_func)openr2_mf_rx_init,
+diff --git a/src/r2proto.c b/src/r2proto.c
+index c32bc2f..0a5832d 100755
+--- a/src/r2proto.c
++++ b/src/r2proto.c
+@@ -829,7 +829,7 @@ static void open_logfile(openr2_chan_t *r2chan, int backward)
+ 		return;
+ 	}
+ 
+-	if (!r2chan->r2context->logdir) {
++	if (!r2chan->r2context->logdir[0]) {
+ 		cres = getcwd(currdir, sizeof(currdir));
+ 		if (!cres) {
+ 			myerrno = errno;
+@@ -850,7 +850,7 @@ static void open_logfile(openr2_chan_t *r2chan, int backward)
+ 		return;
+ 	}
+ 	res = snprintf(r2chan->logname, sizeof(r2chan->logname), "%s/chan-s%dc%d-%s-%04ld-%d%02d%02d%02d%02d%02d.call", 
+-			r2chan->r2context->logdir ? r2chan->r2context->logdir : currdir, 
++			r2chan->r2context->logdir[0] ? r2chan->r2context->logdir : currdir,
+ 			r2chan->span_id, r2chan->number,
+ 			backward ? "backward" : "forward",
+ 			r2chan->call_count++,

phreaknet.1.md

@@ -370,6 +370,9 @@ directories if necessary.
 **--wanpipe**
 : Also install the Wanpipe drivers, needed for Sangoma cards
 
+**--openr2**
+: Also install OpenR2
+
 The following options may be used with the **sounds** command.
 
 **--boilerplate**

phreaknet.sh

@@ -253,6 +253,7 @@ DAHDI_OLD_DRIVERS=0
 DAHDI_DISABLE_VPMADT032=0
 EMPULSE=1 # Automatically enable EMPULSE, cause why not?
 DAHDI_WANPIPE=0 # wanpipe only needed for Sangoma cards
+OPENR2=0 # Install OpenR2
 DEVMODE=0
 TEST_SUITE=0
 FORCE_INSTALL=0
@@ -2244,6 +2245,16 @@ install_dahdi() {
 		fi
 	fi
 
+	if [ "$OPENR2" = "1" ]; then
+		if [ "$OFFLINE_INSTALL" = "1" ]; then
+			cd $AST_SOURCE_PARENT_DIR
+			cp -r $OFFLINE_DIR/openr2 .
+		else
+			get_openr2_source
+		fi
+		build_openr2
+	fi
+
 	if [ "$OFFLINE_INSTALL" = "1" ]; then
 		cp -r $OFFLINE_DIR/dahlin-offline .
 	else
@@ -2620,6 +2631,49 @@ build_sccp() {
 	fi
 }
 
+get_openr2_source() {
+	cd $AST_SOURCE_PARENT_DIR
+	# The OpenR2 repo is currently stagnant, so if it's present, then just use the latest 'develop' HEAD and apply any needed patches
+	if [ -d openr2 ]; then
+		cd openr2
+		git checkout .
+		git clean -df
+	else
+		git clone --depth 1 "https://github.com/moises-silva/openr2.git"
+		cd openr2
+	fi
+}
+
+build_openr2() {
+	cd $AST_SOURCE_PARENT_DIR
+	if [ ! -d openr2 ]; then
+		die "openr2 source directory not found"
+	fi
+	cd openr2
+	git_patch "openr2.diff"
+	# r2test fails to install during 'make install', so skip it
+	./configure --prefix=/usr --without-r2test
+	# This will initially fail, due to the fix needed below
+	$AST_MAKE -j$(nproc) CFLAGS=-Wno-pedantic
+	# src/libopenr2.la won't exist when we start compiling, but it will exist by this point
+	sed -i "s/inherited_linker_flags=''/inherited_linker_flags=' -shared'/g" src/libopenr2.la # otherwise it will fail when linking
+	# Now, we can finish the job:
+	$AST_MAKE CFLAGS=-Wno-pedantic
+	if [ $? -ne 0 ]; then
+		die "Failed to build OpenR2"
+	fi
+	# Without --without-r2test, this may return non-zero due to r2test missing
+	$AST_MAKE install
+	if [ $? -ne 0 ]; then
+		die "Failed to install OpenR2"
+	fi
+	# If this symbol isn't exported, then HAVE_OPENR2 will not be defined for Asterisk later
+	readelf -s /usr/lib64/libopenr2.so | grep "openr2_chan_new"
+	if [ $? -ne 0 ]; then
+		echoerr "libopenr2.so does not appear to export openr2_chan_new, OpenR2 build may be incomplete"
+	fi
+}
+
 # Instantiate an instance of the PhreakScript repository, if not already present
 # This is necessary since this script file is designed to be able to be used standalone,
 # without the rest of the repository necessarily being present.
@@ -3395,7 +3449,7 @@ else
 fi
 
 FLAG_TEST=0
-PARSED_ARGUMENTS=$(getopt -n phreaknet -o bc:u:dfhostu:v:w -l backtraces,cc:,dahdi,force,flag-test,help,sip,testsuite,user:,version:,weaktls,alsa,cisco,rpt,sccp,clli:,debug:,devmode,disa:,drivers,disable-vpmadt032,experimental,extcodecs,g72x,fast,freepbx,generic,autokvers,lightweight,api-key:,rotate,audit,boilerplate,upstream:,manselect,minimal,vanilla,wanpipe,offline,noupdate -- "$@")
+PARSED_ARGUMENTS=$(getopt -n phreaknet -o bc:u:dfhostu:v:w -l backtraces,cc:,dahdi,force,flag-test,help,sip,testsuite,user:,version:,weaktls,alsa,cisco,rpt,sccp,clli:,debug:,devmode,disa:,drivers,disable-vpmadt032,experimental,extcodecs,g72x,fast,freepbx,generic,autokvers,lightweight,api-key:,rotate,audit,boilerplate,upstream:,manselect,minimal,vanilla,wanpipe,openr2,offline,noupdate -- "$@")
 VALID_ARGUMENTS=$?
 if [ "$VALID_ARGUMENTS" != "0" ]; then
 	usage
@@ -3452,6 +3506,7 @@ while true; do
 		--minimal ) ENHANCED_INSTALL=0; shift ;;
 		--vanilla ) EXTRA_FEATURES=0; shift ;;
 		--wanpipe ) DAHDI_WANPIPE=1; shift ;;
+		--openr2 ) OPENR2=1; shift ;;
 		--offline ) OFFLINE_INSTALL=1; shift ;;
 		--noupdate ) PACMAN_NOUPDATE=1; shift ;;
 		# -- means the end of the arguments; drop this, and break out of the while loop
@@ -3727,6 +3782,9 @@ elif [ "$cmd" = "offline" ]; then
 	if [ "$CHAN_SCCP" = "1" ]; then
 		get_sccp_source
 	fi
+	if [ "$OPENR2" = "1" ]; then
+		get_openr2_source
+	fi
 	echog "Offline installation source prepared in $AST_SOURCE_PARENT_DIR - copy this directory to target system for offline installation"
 	ls $AST_SOURCE_PARENT_DIR
 elif [ "$cmd" = "install" ]; then