fix for stuck process left when terminal closed

Makefile

@@ -1,11 +1,11 @@
-VERSION=1.4
+VERSION=1.5
 CC=gcc
-LIBS=  libUseful-4/libUseful.a
+LIBS= -lUseful -lz -lcrypto -lssl  
 FLAGS=-g -O2 -DVERSION=\"$(VERSION)\"
 
 OBJ=common.o net.o runcommand.o iw.o wireless_tools.o wpa_supplicant.o wifi.o interactive.o settings.o 
 
-all: $(OBJ) libUseful-4/libUseful.a
+all: $(OBJ) 
 	$(CC) $(FLAGS)  -oterm_wifi $(OBJ) main.c $(LIBS)
 
 libUseful-4/libUseful.a:
@@ -40,7 +40,7 @@ settings.o: settings.h settings.c common.h
 
 
 clean:
-	rm *.o libUseful-4/*.o libUseful-4/*.a libUseful-4/*.so
+	rm term_wifi *.o libUseful-4/*.o libUseful-4/*.a libUseful-4/*.so
 
 test:
 	echo "no tests"

Makefile.in

@@ -1,4 +1,4 @@
-VERSION=1.4
+VERSION=1.5
 CC=@CC@
 LIBS=@LDFLAGS@ @LIBS@ @STATIC_LIBS@
 FLAGS=@CFLAGS@ -DVERSION=\"$(VERSION)\"
@@ -40,7 +40,7 @@ settings.o: settings.h settings.c common.h
 
 
 clean:
-	rm *.o libUseful-4/*.o libUseful-4/*.a libUseful-4/*.so
+	rm term_wifi *.o libUseful-4/*.o libUseful-4/*.a libUseful-4/*.so
 
 test:
 	echo "no tests"

config.log

@@ -4,17 +4,17 @@ running configure, to aid debugging if configure makes a mistake.
 It was created by configure, which was
 generated by GNU Autoconf 2.69.  Invocation command line was
 
-  $ ./configure 
+  $ ./configure --enable-ssl --with-system-libuseful
 
 ## --------- ##
 ## Platform. ##
 ## --------- ##
 
-hostname = lattitude
-uname -m = i686
-uname -r = 5.6.10-p4-smp
+hostname = hplap
+uname -m = x86_64
+uname -r = 5.6.5-64
 uname -s = Linux
-uname -v = #35 SMP Wed May 27 02:15:27 UTC 2020
+uname -v = #6 SMP Sun Apr 19 22:31:45 BST 2020
 
 /usr/bin/uname -p = unknown
 /bin/uname -X     = unknown
@@ -34,19 +34,32 @@ PATH: /usr/X11R7/bin
 PATH: /bin
 PATH: /usr/games/bin
 PATH: .
+PATH: /opt/Csound-6.05/bin
+PATH: /opt/Drawing/bin
+PATH: /opt/FLTK/bin
 PATH: /opt/GTK/bin
+PATH: /opt/LibreCAD/bin
+PATH: /opt/Python-2.7.13/bin
+PATH: /opt/Python-2.7.15/bin
+PATH: /opt/Python-3.6.2/bin
+PATH: /opt/Qt5/bin
 PATH: /opt/SDL/bin
 PATH: /opt/SDL2/bin
+PATH: /opt/boinc_client-7.14.2/bin
 PATH: /opt/games/bin
-PATH: /opt/git-2.24.0/bin
+PATH: /opt/ghostscript-9.22/bin
+PATH: /opt/git-2.16.2/bin
 PATH: /opt/lua-5.3.4/bin
-PATH: /opt/luajid-2.0.4/bin
+PATH: /opt/mujs-1.0.3/bin
 PATH: /opt/netpbm-10.66.02/bin
+PATH: /opt/opengl/bin
 PATH: /opt/perl-5.24.1/bin
-PATH: /opt/qemu-3.1.0/bin
-PATH: /opt/qemu-3.1.0_SDL/bin
-PATH: /opt/tcl-8.6.10/bin
-PATH: /opt/wine-5.9/bin
+PATH: /opt/qemu-2.8.1_SDL_build/bin
+PATH: /opt/ruby-2.5.0/bin
+PATH: /opt/schily/bin
+PATH: /opt/tcl-8.6.8/bin
+PATH: /opt/timekeeper/bin
+PATH: /opt/wine-5.0/bin
 
 
 ## ----------- ##
@@ -58,7 +71,7 @@ configure:1938: found /usr/bin/gcc
 configure:1949: result: gcc
 configure:2178: checking for C compiler version
 configure:2187: gcc --version >&5
-gcc (GCC) 8.3.0
+gcc (GCC) 8.1.0
 Copyright (C) 2018 Free Software Foundation, Inc.
 This is free software; see the source for copying conditions.  There is NO
 warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
@@ -67,11 +80,11 @@ configure:2198: $? = 0
 configure:2187: gcc -v >&5
 Using built-in specs.
 COLLECT_GCC=gcc
-COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i486-pc-linux-gnu/8.3.0/lto-wrapper
+COLLECT_LTO_WRAPPER=/usr/libexec/gcc/i486-pc-linux-gnu/8.1.0/lto-wrapper
 Target: i486-pc-linux-gnu
-Configured with: ../gcc-8.3.0-src/configure --enable-languages=c,c++,go --disable-nls --disable-multilib --prefix=/usr --sysconfdir=/etc --includedir=/usr/include --localstatedir=/var --mandir=/usr/share/man --infodir=/usr/share/info --host=i486-pc-linux-gnu --build=i486-pc-linux-gnu --target=i486-pc-linux-gnu
+Configured with: ../gcc-8.1.0-src/configure --prefix=/usr --sysconfdir=/etc --includedir=/usr/include --localstatedir=/var --mandir=/usr/share/man --infodir=/usr/share/info --host=i486-pc-linux-gnu --build=i486-pc-linux-gnu --target=i486-pc-linux-gnu --enable-languages=c,c++,go --disable-nls --disable-multilib
 Thread model: posix
-gcc version 8.3.0 (GCC) 
+gcc version 8.1.0 (GCC) 
 configure:2198: $? = 0
 configure:2187: gcc -V >&5
 gcc: error: unrecognized command line option '-V'
@@ -228,6 +241,26 @@ configure: failed program was:
 configure:3188: gcc -c -g -O2  conftest.c >&5
 configure:3188: $? = 0
 configure:3196: result: 64
+configure:3291: checking for OpenSSLVerifyCallback in -lUseful
+configure:3316: gcc -o conftest -g -O2   conftest.c -lUseful -lssl -lcrypto -lz  >&5
+configure:3316: $? = 0
+configure:3325: result: yes
+configure:3328: checking for SSL_new in -lssl
+configure:3353: gcc -o conftest -g -O2   conftest.c -lssl -lcrypto -lz  >&5
+configure:3353: $? = 0
+configure:3362: result: yes
+configure:3373: checking for ERR_load_CRYPTO_strings in -lcrypto
+configure:3398: gcc -o conftest -g -O2   conftest.c -lcrypto -lz -lssl  >&5
+configure:3398: $? = 0
+configure:3407: result: yes
+configure:3418: checking for inflate in -lz
+configure:3443: gcc -o conftest -g -O2   conftest.c -lz  -lcrypto -lssl  >&5
+configure:3443: $? = 0
+configure:3452: result: yes
+configure:3466: checking for GetToken in -lUseful
+configure:3491: gcc -o conftest -g -O2   conftest.c -lUseful  -lz -lcrypto -lssl  >&5
+configure:3491: $? = 0
+configure:3500: result: yes
 configure:3705: creating ./config.status
 
 ## ---------------------- ##
@@ -243,11 +276,9 @@ generated by GNU Autoconf 2.69.  Invocation command line was
   CONFIG_COMMANDS = 
   $ ./config.status 
 
-on lattitude
+on hplap
 
 config.status:725: creating Makefile
-configure:4776: === configuring in libUseful-4 (/home/colum/term_wifi/libUseful-4)
-configure:4839: running /bin/sh ./configure --disable-option-checking '--prefix=/usr/local'  --cache-file=/dev/null --srcdir=.
 
 ## ---------------- ##
 ## Cache variables. ##
@@ -273,6 +304,11 @@ ac_cv_env_host_alias_value=
 ac_cv_env_target_alias_set=
 ac_cv_env_target_alias_value=
 ac_cv_header_stdc=yes
+ac_cv_lib_Useful_GetToken=yes
+ac_cv_lib_Useful_OpenSSLVerifyCallback=yes
+ac_cv_lib_crypto_ERR_load_CRYPTO_strings=yes
+ac_cv_lib_ssl_SSL_new=yes
+ac_cv_lib_z_inflate=yes
 ac_cv_objext=o
 ac_cv_path_EGREP='/bin/grep -E'
 ac_cv_path_GREP=/bin/grep
@@ -292,7 +328,7 @@ CC='gcc'
 CFLAGS='-g -O2'
 CPP='gcc -E'
 CPPFLAGS=''
-DEFS='-DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -D_FILE_OFFSET_BITS=64'
+DEFS='-DPACKAGE_NAME=\"\" -DPACKAGE_TARNAME=\"\" -DPACKAGE_VERSION=\"\" -DPACKAGE_STRING=\"\" -DPACKAGE_BUGREPORT=\"\" -DPACKAGE_URL=\"\" -DSTDC_HEADERS=1 -D_FILE_OFFSET_BITS=64 -DHAVE_LIBSSL=1 -DHAVE_LIBCRYPTO=1 -DHAVE_LIBZ=1 -DHAVE_LIBUSEFUL=1'
 ECHO_C=''
 ECHO_N='-n'
 ECHO_T=''
@@ -301,7 +337,7 @@ EXEEXT=''
 GREP='/bin/grep'
 LDFLAGS=''
 LIBOBJS=''
-LIBS=''
+LIBS='-lUseful -lz -lcrypto -lssl '
 LTLIBOBJS=''
 OBJEXT='o'
 PACKAGE_BUGREPORT=''
@@ -313,7 +349,7 @@ PACKAGE_VERSION=''
 PATH_SEPARATOR=':'
 SET_MAKE=''
 SHELL='/bin/sh'
-STATIC_LIBS='libUseful-4/libUseful.a'
+STATIC_LIBS=''
 ac_ct_CC='gcc'
 bindir='${exec_prefix}/bin'
 build_alias=''
@@ -338,7 +374,7 @@ program_transform_name='s,x,x,'
 psdir='${docdir}'
 sbindir='${exec_prefix}/sbin'
 sharedstatedir='${prefix}/com'
-subdirs=' libUseful-4'
+subdirs=''
 sysconfdir='${prefix}/etc'
 target_alias=''
 
@@ -355,5 +391,9 @@ target_alias=''
 #define PACKAGE_URL ""
 #define STDC_HEADERS 1
 #define _FILE_OFFSET_BITS 64
+#define HAVE_LIBSSL 1
+#define HAVE_LIBCRYPTO 1
+#define HAVE_LIBZ 1
+#define HAVE_LIBUSEFUL 1
 
 configure: exit 0

config.status

@@ -417,7 +417,7 @@ $config_files
 
 Report bugs to the package provider."
 
-ac_cs_config=""
+ac_cs_config="'--enable-ssl' '--with-system-libuseful'"
 ac_cs_version="\
 config.status
 configured by ./configure, generated by GNU Autoconf 2.69,
@@ -495,7 +495,7 @@ if $ac_cs_silent; then
 fi
 
 if $ac_cs_recheck; then
-  set X /bin/sh './configure'  $ac_configure_extra_args --no-create --no-recursion
+  set X /bin/sh './configure'  '--enable-ssl' '--with-system-libuseful' $ac_configure_extra_args --no-create --no-recursion
   shift
   $as_echo "running CONFIG_SHELL=/bin/sh $*" >&6
   CONFIG_SHELL='/bin/sh'
@@ -583,8 +583,8 @@ echo 'BEGIN {' >"$ac_tmp/subs1.awk" &&
 cat >>"$ac_tmp/subs1.awk" <<\_ACAWK &&
 S["LTLIBOBJS"]=""
 S["LIBOBJS"]=""
-S["subdirs"]=" libUseful-4"
-S["STATIC_LIBS"]="libUseful-4/libUseful.a"
+S["subdirs"]=""
+S["STATIC_LIBS"]=""
 S["EGREP"]="/bin/grep -E"
 S["GREP"]="/bin/grep"
 S["CPP"]="gcc -E"
@@ -599,12 +599,12 @@ S["CC"]="gcc"
 S["target_alias"]=""
 S["host_alias"]=""
 S["build_alias"]=""
-S["LIBS"]=""
+S["LIBS"]="-lUseful -lz -lcrypto -lssl "
 S["ECHO_T"]=""
 S["ECHO_N"]="-n"
 S["ECHO_C"]=""
 S["DEFS"]="-DPACKAGE_NAME=\\\"\\\" -DPACKAGE_TARNAME=\\\"\\\" -DPACKAGE_VERSION=\\\"\\\" -DPACKAGE_STRING=\\\"\\\" -DPACKAGE_BUGREPORT=\\\"\\\" -DPACKAGE_URL=\\\"\\\" -DSTDC_HEADERS=1"\
-" -D_FILE_OFFSET_BITS=64"
+" -D_FILE_OFFSET_BITS=64 -DHAVE_LIBSSL=1 -DHAVE_LIBCRYPTO=1 -DHAVE_LIBZ=1 -DHAVE_LIBUSEFUL=1"
 S["mandir"]="${datarootdir}/man"
 S["localedir"]="${datarootdir}/locale"
 S["libdir"]="${exec_prefix}/lib"

interactive.c

@@ -291,7 +291,12 @@ while (1)
   TerminalPutStr("~B~w      s:Scan again   d:disconnect   escape-escape:exit~>~0", StdIO);
 
 	ch=TerminalReadChar(StdIO);
-	if (ch==ESCAPE) break;
+	if (ch==STREAM_CLOSED) 
+	{
+		//stdin/terminal closed, exit gracefully
+		exit(0);
+	}
+	else if (ch==ESCAPE) break;
 	else if (ch=='s') InteractiveWifiScan(Dev, Menu);
 	else if (ch=='d') NetDown(Dev);
 	else if (ch=='f')