From 399075456ccaa76629d7148e439b43ebb7d2406d Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Tue, 24 Sep 2002 21:47:10 +0000
Subject: [PATCH] first version of cac.c - crypt and compare

---
 Makefile | 22 ++++++++++++++++++++++
 cac.c    | 40 ++++++++++++++++++++++++++++++++++++++++
 2 files changed, 62 insertions(+)
 create mode 100644 Makefile
 create mode 100644 cac.c

diff --git a/Makefile b/Makefile
new file mode 100644
index 0000000..826c81a
--- /dev/null
+++ b/Makefile
@@ -0,0 +1,22 @@
+#!/usr/bin/make
+
+CC = gcc
+CFLAGS = -O2
+CPPFLAGS = -Wall
+LDFLAGS = -s -lcrypt
+
+PREFIX = /usr
+
+TARGETS = cac
+
+all: $(TARGETS)
+
+install: $(TARGETS)
+	install -m 755 $(TARGETS) $(PREFIX)/bin
+
+uninstall:
+	cd $(PREFIX)/bin && rm -f $(TARGETS)
+
+clean:
+	rm -f $(TARGETS) *.o *~
+
diff --git a/cac.c b/cac.c
new file mode 100644
index 0000000..88628bc
--- /dev/null
+++ b/cac.c
@@ -0,0 +1,40 @@
+/* cac.c - crypt and compare 
+ *
+ * author: hackbard
+ *
+ */
+
+#include <stdio.h>
+#include <crypt.h>
+#include <string.h>
+
+int main(int argc, char *argv[]) {
+	
+	FILE *file_h;
+	char temp[256];
+
+	if(argc!=3) {
+		printf("usage: %s <shadow-file> <password>\n",argv[0]);
+		return 0;
+	}
+
+	file_h=fopen(argv[1],"r");
+	if(file_h==NULL) {
+		printf("error: cant open %s for reading\n",argv[1]);
+		return 0;
+	} else {
+		printf("reading %s\n",argv[1]);
+	}
+	
+	while(fgets(temp,256,file_h)) {
+		if(strstr(temp,"root")) {
+			/* none md5 way ... */
+			if(temp[4]==':') {
+			if(strncmp(crypt(argv[2],(temp+5)),(temp+5),13)==0)
+				printf("succes: %s\n",argv[2]);
+			else printf("wrong\n");
+			}
+		}
+	}
+	return 0;
+}
-- 
2.39.2