use packed ca.pem

examples/http-proxy-client/Makefile

@@ -1,11 +1,11 @@
 PROG ?= example                   # Program we are building
 DELETE = rm -rf                   # Command to remove files
 OUT ?= -o $(PROG)                 # Compiler argument for output file
-SOURCES = main.c mongoose.c       # Source code files
+SOURCES = main.c mongoose.c  packed_fs.c      # Source code files, packed_fs.c contains ca.pem, which contains CA certs for TLS
 CFLAGS = -W -Wall -Wextra -g -I.  # Build options
 
 # Mongoose build options. See https://mongoose.ws/documentation/#build-options
-#CFLAGS_MONGOOSE += -DMG_ENABLE_LINES=1
+CFLAGS_MONGOOSE += -DMG_ENABLE_LINES=1 -DMG_ENABLE_PACKED_FS=1
 
 // see tutorial at https://mongoose.ws/tutorials/http-proxy-client/
 ARGS ?= 167.235.63.238:3128 http://info.cern.ch/	# default call arguments

examples/http-proxy-client/main.c

@@ -52,7 +52,7 @@ int main(int argc, char *argv[]) {
   }
 
   mg_mgr_init(&mgr);                            // Initialise event manager
-  struct mg_tls_opts opts = {.client_ca = mg_str(CA_ALL)};
+  struct mg_tls_opts opts = {.client_ca = mg_unpacked("/certs/client_ca.pem")};
   mg_tls_ctx_init(&mgr, &opts);
   mg_http_connect(&mgr, argv[1], fn, argv[2]);  // Connect to the proxy
   for (;;) mg_mgr_poll(&mgr, 1000);             // Event loop

examples/http-proxy-client/packed_fs.c

@@ -0,0 +1 @@
+../http-client/packed_fs.c