First commit

1 files changed, 51 insertions, 0 deletions

diff --git a/crypt.c b/crypt.c
new file mode 100644
index 0000000..f4d3a11
--- /dev/null
+++ b/crypt.c
@@ -0,0 +1,51 @@
+#include "crypt.h"
+
+#define OPTSTRING "h"
+#define USAGE "USAGE: crypt KEY SALT"
+
+/**
+ * crypt(1) - Simple shell script frontend to crypt(3), because I'm tired of
+ * fighting with mkpasswd(1).
+ * 
+ * Author: Tom Ryder <tom@sanctum.geek.nz>
+ * Copyright: 2015
+ * License: MIT
+ */
+int main (int argc, char **argv)
+{
+    /* Assume user doesn't want help */
+    int help = 0;
+
+    /* Iterate through any options */
+    int o;
+    while ((o = getopt(argc, argv, OPTSTRING)) != -1) {
+        switch (o) {
+            case 'h':
+                help = 1;
+                break;
+            case '?':
+                fprintf(stderr, "Unknown option\n");
+                break;
+            default:
+                abort();
+        }
+    }
+
+    /* If help was asked, give it */
+    if (help) {
+        fprintf(stdout, "%s\n", USAGE);
+        exit(EXIT_SUCCESS);
+    }
+
+    /* If we don't have three arguments, bail */
+    if (argc != 3) {
+        fprintf(stderr, "%s\n", USAGE);
+        exit(EXIT_FAILURE);
+    }
+
+    /* All seems well, build the hash and print it */
+    char *hash = crypt(argv[1], argv[2]);
+    fprintf(stdout, "%s\n", hash);
+    exit(EXIT_SUCCESS);
+}
+