From 1a38a2a82de4b94551a7f55a6d68e2c778713d4a Mon Sep 17 00:00:00 2001
From: hackbard <hackbard>
Date: Sat, 26 Oct 2002 13:13:09 +0000
Subject: [PATCH] added support for dos files

---
 cac.c | 37 ++++++++++++++++++++++++++++++-------
 1 file changed, 30 insertions(+), 7 deletions(-)

diff --git a/cac.c b/cac.c
index 88628bc..80ee0e4 100644
--- a/cac.c
+++ b/cac.c
@@ -10,29 +10,52 @@
 
 int main(int argc, char *argv[]) {
 	
-	FILE *file_h;
+	FILE *shadow_h, *passwd_h;
 	char temp[256];
+	char temp2[30];
 
 	if(argc!=3) {
-		printf("usage: %s <shadow-file> <password>\n",argv[0]);
+		printf("usage: %s <shadow-file> <password-file>\n",argv[0]);
 		return 0;
 	}
 
-	file_h=fopen(argv[1],"r");
-	if(file_h==NULL) {
+	shadow_h=fopen(argv[1],"r");
+	if(shadow_h==NULL) {
 		printf("error: cant open %s for reading\n",argv[1]);
 		return 0;
 	} else {
 		printf("reading %s\n",argv[1]);
 	}
+	passwd_h=fopen(argv[2],"r");
+	if(passwd_h==NULL) {
+		printf("error: cant open %s for reading\n",argv[2]);
+		return 0;
+	} else {
+		printf("using %s as passwd library\n",argv[2]);
+	}
 	
-	while(fgets(temp,256,file_h)) {
+	while(fgets(temp,256,shadow_h)) {
 		if(strstr(temp,"root")) {
 			/* none md5 way ... */
 			if(temp[4]==':') {
-			if(strncmp(crypt(argv[2],(temp+5)),(temp+5),13)==0)
+			while(fgets(temp2,30,passwd_h)) {
+			int mylen=strlen(temp2);
+			if((mylen>=1) && (temp2[mylen-1]=='\n')) {
+				if((mylen>=2) && (temp2[mylen-2]==0x0d)) {
+					mylen-=2;
+					temp2[mylen]=0;
+					printf("dosfile!\n");
+				}
+				else
+					temp2[--mylen]=0;
+			}
+			if(mylen>=1) {
+			if(strncmp(crypt(temp2,(temp+5)),(temp+5),13)==0) {
 				printf("succes: %s\n",argv[2]);
-			else printf("wrong\n");
+				return 0;
+			}
+			}
+			}
 			}
 		}
 	}
-- 
2.39.2