From f70ce379de6261733dc71279c76fc76a210285e1 Mon Sep 17 00:00:00 2001
From: Daniel Roberson <daniel@badoperation.net>
Date: Sun, 13 Sep 2026 07:44:32 -0700
Subject: initial commit

---
 Makefile | 83 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 83 insertions(+)
 create mode 100644 Makefile

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..35fe1e1
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,83 @@
+CC      ?= cc
+
+CFLAGS  ?= -O2
+CFLAGS  += -Wall -Wextra -Wpedantic
+CFLAGS  += -fPIC
+CFLAGS  += -fstack-protector-strong
+CFLAGS  += -D_FORTIFY_SOURCE=2
+
+LDFLAGS += -Wl,-z,relro,-z,now
+
+PAM_LDLIBS    = -lpam -lm
+CREATE_LDLIBS = -lm
+
+PAM_TARGET    = pam_bloom.so
+CREATE_TARGET = pam_bloom_create
+
+PREFIX      ?= /usr
+BINDIR      ?= $(PREFIX)/bin
+
+MULTIARCH   := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)
+
+ifeq ($(MULTIARCH),)
+PAMDIR      ?= $(PREFIX)/lib/security
+else
+PAMDIR      ?= $(PREFIX)/lib/$(MULTIARCH)/security
+endif
+
+FILTERDIR   ?= /etc/security/pam_bloom/filters.d
+DESTDIR     ?=
+
+COMMON_OBJS   = bloom.o mmh3.o
+PAM_OBJS      = pam_bloom.o $(COMMON_OBJS)
+CREATE_OBJS   = pam_bloom_create.o $(COMMON_OBJS)
+
+FILTERS = rockyou.txt.bloom
+
+PAM_CONFIG_DIR ?= /usr/share/pam-configs
+PAM_CONFIG     = pam-configs/pam_bloom
+
+.PHONY: all clean install uninstall
+
+all: $(PAM_TARGET) $(CREATE_TARGET)
+
+$(PAM_TARGET): $(PAM_OBJS)
+	$(CC) $(LDFLAGS) -shared -o $@ $(PAM_OBJS) $(PAM_LDLIBS)
+
+$(CREATE_TARGET): $(CREATE_OBJS)
+	$(CC) $(LDFLAGS) -o $@ $(CREATE_OBJS) $(CREATE_LDLIBS)
+
+pam_bloom.o: pam_bloom.c bloom.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+pam_bloom_create.o: pam_bloom_create.c bloom.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+bloom.o: bloom.c bloom.h mmh3.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+mmh3.o: mmh3.c mmh3.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
+install: all
+	install -d "$(DESTDIR)$(BINDIR)"
+	install -m 0755 $(CREATE_TARGET) "$(DESTDIR)$(BINDIR)/$(CREATE_TARGET)"
+
+	install -d "$(DESTDIR)$(PAMDIR)"
+	install -m 0755 $(PAM_TARGET) "$(DESTDIR)$(PAMDIR)/$(PAM_TARGET)"
+
+	install -d -m 0755 "$(DESTDIR)$(FILTERDIR)"
+	install -m 0644 $(FILTERS) "$(DESTDIR)$(FILTERDIR)/"
+
+	install -d "$(DESTDIR)$(PAM_CONFIG_DIR)"
+	install -m 0644 $(PAM_CONFIG) \
+	    "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
+
+uninstall:
+	rm -f "$(DESTDIR)$(BINDIR)/$(CREATE_TARGET)"
+	rm -f "$(DESTDIR)$(PAMDIR)/$(PAM_TARGET)"
+	rm -f "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
+
+clean:
+	rm -f $(PAM_TARGET) $(CREATE_TARGET) \
+	      $(PAM_OBJS) pam_bloom_create.o
-- 
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