1 files changed, 86 insertions, 0 deletions
diff --git a/security/nss/cmd/oidcalc/oidcalc.c b/security/nss/cmd/oidcalc/oidcalc.c
new file mode 100644
index 0000000000..46ef56c411
--- /dev/null
+++ b/security/nss/cmd/oidcalc/oidcalc.c
@@ -0,0 +1,86 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+int
+main(int argc, char **argv)
+{
+    char *curstr;
+    char *nextstr;
+    unsigned int firstval;
+    unsigned int secondval;
+    unsigned int val;
+    unsigned char buf[5];
+    int count;
+
+    if (argc != 2) {
+        fprintf(stderr, "wrong number of args\n");
+        exit(-1);
+    }
+
+    curstr = argv[1];
+
+    nextstr = strchr(curstr, '.');
+
+    if (nextstr == NULL) {
+        fprintf(stderr, "only one component\n");
+        exit(-1);
+    }
+
+    *nextstr = '\0';
+    firstval = atoi(curstr);
+
+    curstr = nextstr + 1;
+
+    nextstr = strchr(curstr, '.');
+
+    if (nextstr) {
+        *nextstr = '\0';
+    }
+
+    secondval = atoi(curstr);
+
+    if (firstval > 2) {
+        fprintf(stderr, "first component out of range\n");
+        exit(-1);
+    }
+
+    if (secondval > 39) {
+        fprintf(stderr, "second component out of range\n");
+        exit(-1);
+    }
+
+    printf("0x%x, ", (firstval * 40) + secondval);
+    while (nextstr) {
+        curstr = nextstr + 1;
+
+        nextstr = strchr(curstr, '.');
+
+        if (nextstr) {
+            *nextstr = '\0';
+        }
+
+        memset(buf, 0, sizeof(buf));
+        val = atoi(curstr);
+        count = 0;
+        while (val) {
+            buf[count] = (val & 0x7f);
+            val = val >> 7;
+            count++;
+        }
+
+        while (count--) {
+            if (count) {
+                printf("0x%x, ", buf[count] | 0x80);
+            } else {
+                printf("0x%x, ", buf[count]);
+            }
+        }
+    }
+    printf("\n");
+    return 0;
+}