From 5f28840a5c365099f0e0d855b19fa0c13c9020c0 Mon Sep 17 00:00:00 2001
From: Daniel Roberson <daniel@badoperation.net>
Date: Sun, 13 Sep 2026 08:25:52 -0700
Subject: add pam_bloom_check

---
 Makefile | 38 +++++++++++++++++++++++++-------------
 1 file changed, 25 insertions(+), 13 deletions(-)

(limited to 'Makefile')

diff --git a/Makefile b/Makefile
index 35fe1e1..84f895d 100644
--- a/Makefile
+++ b/Makefile
@@ -14,19 +14,23 @@ CREATE_LDLIBS = -lm
 PAM_TARGET    = pam_bloom.so
 CREATE_TARGET = pam_bloom_create
 
-PREFIX      ?= /usr
-BINDIR      ?= $(PREFIX)/bin
+CHECK_TARGET  = pam_bloom_check
+CHECK_OBJS    = pam_bloom_check.o $(COMMON_OBJS)
+CHECK_LDLIBS  = -lm
 
-MULTIARCH   := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)
+PREFIX       ?= /usr
+BINDIR       ?= $(PREFIX)/bin
+
+MULTIARCH    := $(shell dpkg-architecture -qDEB_HOST_MULTIARCH 2>/dev/null)
 
 ifeq ($(MULTIARCH),)
-PAMDIR      ?= $(PREFIX)/lib/security
+PAMDIR       ?= $(PREFIX)/lib/security
 else
-PAMDIR      ?= $(PREFIX)/lib/$(MULTIARCH)/security
+PAMDIR       ?= $(PREFIX)/lib/$(MULTIARCH)/security
 endif
 
-FILTERDIR   ?= /etc/security/pam_bloom/filters.d
-DESTDIR     ?=
+FILTERDIR    ?= /etc/security/pam_bloom/filters.d
+DESTDIR      ?=
 
 COMMON_OBJS   = bloom.o mmh3.o
 PAM_OBJS      = pam_bloom.o $(COMMON_OBJS)
@@ -35,11 +39,11 @@ 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
+PAM_CONFIG      = pam-configs/pam_bloom
 
 .PHONY: all clean install uninstall
 
-all: $(PAM_TARGET) $(CREATE_TARGET)
+all: $(PAM_TARGET) $(CREATE_TARGET) $(CHECK_TARGET)
 
 $(PAM_TARGET): $(PAM_OBJS)
 	$(CC) $(LDFLAGS) -shared -o $@ $(PAM_OBJS) $(PAM_LDLIBS)
@@ -47,6 +51,12 @@ $(PAM_TARGET): $(PAM_OBJS)
 $(CREATE_TARGET): $(CREATE_OBJS)
 	$(CC) $(LDFLAGS) -o $@ $(CREATE_OBJS) $(CREATE_LDLIBS)
 
+$(CHECK_TARGET): $(CHECK_OBJS)
+	$(CC) $(LDFLAGS) -o $@ $(CHECK_OBJS) $(CHECK_LDLIBS)
+
+pam_bloom_check.o: pam_bloom_check.c bloom.h
+	$(CC) $(CFLAGS) -c -o $@ $<
+
 pam_bloom.o: pam_bloom.c bloom.h
 	$(CC) $(CFLAGS) -c -o $@ $<
 
@@ -70,14 +80,16 @@ install: all
 	install -m 0644 $(FILTERS) "$(DESTDIR)$(FILTERDIR)/"
 
 	install -d "$(DESTDIR)$(PAM_CONFIG_DIR)"
-	install -m 0644 $(PAM_CONFIG) \
-	    "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
+	install -m 0644 $(PAM_CONFIG) "$(DESTDIR)$(PAM_CONFIG_DIR)/pam_bloom"
+
+	install -m 0755 $(CHECK_TARGET) "$(DESTDIR)$(BINDIR)/$(CHECK_TARGET)"
 
 uninstall:
 	rm -f "$(DESTDIR)$(BINDIR)/$(CREATE_TARGET)"
+	rm -f "$(DESTDIR)$(BINDIR)/$(CHECK_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
+	rm -f $(PAM_TARGET) $(CREATE_TARGET) $(CHECK_TARGET) \
+	      $(PAM_OBJS) $(CREATE_OBJS) $(CHECK_OBJS)
-- 
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