r2331: check password script code and example from trunk

[bbaumbach/samba-autobuild/.git] / examples / auth / crackcheck / crackcheck.c

diff --git a/examples/auth/crackcheck/crackcheck.c b/examples/auth/crackcheck/crackcheck.c
new file mode 100644 (file)
index 0000000..3384337
--- /dev/null
+++ b/examples/auth/crackcheck/crackcheck.c
@@ -0,0 +1,62 @@
+#include <memory.h>
+#include <string.h>
+#include <stdlib.h>
+#include <stdio.h>
+#include <ctype.h>
+#include <crack.h>
+
+void usage(char *command) {
+       char *c, *comm;
+
+       comm = command;
+       while ((c = strrchr(comm, '/')) != NULL) {
+               comm = c + 1;
+       }
+
+       fprintf(stderr, "Usage: %s -d dictionary\n\n", comm);
+       fprintf(stderr, "     -d dictionary file for cracklib\n\n");
+       fprintf(stderr, "       The password is expected to be given via stdin.\n\n");
+       exit(-1);
+}
+
+int main(int argc, char **argv) {
+       extern char *optarg;
+       int c;
+
+       char f[256];
+       char *dictionary = NULL;
+       char *password;
+       char *reply;
+
+       while ( (c = getopt(argc, argv, "d:")) != EOF){
+               switch(c) {
+               case 'd':
+                       dictionary = strdup(optarg);
+                       break;
+               default:
+                       usage(argv[0]);
+               }
+       }
+
+       if (dictionary == NULL) {
+               fprintf(stderr, "ERR - Wrong Command Line\n\n");
+               usage(argv[0]);
+       } 
+
+       password = fgets(f, sizeof(f), stdin);
+
+       if (password == NULL) {
+               fprintf(stderr, "ERR - Failed to read password\n\n");
+               exit(-2);
+       }
+
+       reply = FascistCheck(password, dictionary);
+       if (reply != NULL) {
+               fprintf(stderr, "ERR - %s\n\n", reply);
+               exit(-3);
+       }
+
+       exit(0);
+
+}
+