# The MIT License (MIT)
#
# Copyright (C) 2026 Scott Duensing
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to
# deal in the Software without restriction, including without limitation the
# rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
# sell copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
# FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
# IN THE SOFTWARE.

# SecLink Proxy  -- Linux build
# Compiles the packet, security, and secLink layers against a socket
# shim instead of the DJGPP rs232 driver.

CC     = gcc
CFLAGS = -O2 -Wall -Wextra -Werror

OBJDIR = ../obj/proxy
BINDIR = ../bin

TARGET = $(BINDIR)/secproxy

OBJS = $(OBJDIR)/sockShim.o $(OBJDIR)/packet.o $(OBJDIR)/security.o \
       $(OBJDIR)/secLink.o $(OBJDIR)/proxy.o

.PHONY: all clean

all: $(TARGET)

$(TARGET): $(OBJS) | $(BINDIR)
	$(CC) -o $@ $(OBJS)

# Local sources
$(OBJDIR)/sockShim.o: sockShim.c sockShim.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

$(OBJDIR)/proxy.o: proxy.c sockShim.h | $(OBJDIR)
	$(CC) $(CFLAGS) -c -o $@ $<

# Packet layer  -- block real rs232.h, inject socket shim
$(OBJDIR)/packet.o: ../packet/packet.c sockShim.h | $(OBJDIR)
	$(CC) $(CFLAGS) -I. -Istubs/ -include sockShim.h -c -o $@ $<

# Security layer  -- stub DOS-specific headers
$(OBJDIR)/security.o: ../security/security.c | $(OBJDIR)
	$(CC) $(CFLAGS) -Istubs/ -c -o $@ $<

# SecLink layer  -- block real rs232.h, inject socket shim
$(OBJDIR)/secLink.o: ../seclink/secLink.c sockShim.h | $(OBJDIR)
	$(CC) $(CFLAGS) -I. -include sockShim.h -c -o $@ $<

$(OBJDIR):
	mkdir -p $(OBJDIR)

$(BINDIR):
	mkdir -p $(BINDIR)

clean:
	rm -rf $(OBJDIR) $(TARGET)
